/* roulang page: index */
:root {
            --color-primary: #0E2A23;
            --color-primary-light: #164336;
            --color-accent: #C9A96E;
            --color-accent-soft: rgba(201, 169, 110, 0.15);
            --color-highlight: #4ADE80;
            --color-bg: #0A1A16;
            --color-card: #0F211C;
            --color-panel: #142A23;
            --color-text: #F5F0E4;
            --color-text-secondary: #A8B5AE;
            --color-text-muted: #7A8982;
            --color-border: rgba(201, 169, 110, 0.25);
            --color-border-strong: rgba(201, 169, 110, 0.45);
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-small: 6px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 12px 36px rgba(0, 0, 0, 0.5);
            --font-display: 'Noto Serif SC', 'Source Han Serif SC', 'SimSun', 'Songti SC', serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', sans-serif;
            --font-mono: 'SF Mono', 'Fira Code', 'Consolas', monospace;
            --transition-fast: 0.2s ease;
            --transition-base: 0.35s ease;
            --container-max: 1200px;
            --section-gap: 64px;
            --header-height: 72px;
        }

        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-body);
            font-size: 15px;
            line-height: 1.85;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--color-accent);
        }

        button {
            font-family: var(--font-body);
            cursor: pointer;
            border: none;
            outline: none;
        }

        input, select, textarea {
            font-family: var(--font-body);
            outline: none;
        }

        ::selection {
            background-color: var(--color-accent);
            color: var(--color-primary);
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        .section {
            padding: var(--section-gap) 0;
        }

        .section--alt {
            background-color: var(--color-card);
            border-top: 1px solid rgba(201, 169, 110, 0.12);
            border-bottom: 1px solid rgba(201, 169, 110, 0.12);
        }

        .section__header {
            margin-bottom: 40px;
            max-width: 720px;
        }

        .section__title {
            font-family: var(--font-display);
            font-size: 26px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--color-text);
            margin-bottom: 12px;
            letter-spacing: 0.01em;
        }

        .section__subtitle {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.9;
        }

        .section__action {
            margin-top: 32px;
        }

        .tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 14px;
            font-size: 12px;
            font-weight: 500;
            border-radius: 999px;
            color: var(--color-accent);
            background: var(--color-accent-soft);
            border: 1px solid rgba(201, 169, 110, 0.3);
            letter-spacing: 0.03em;
        }

        /* Header / Navigation */
        .header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 26, 22, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border);
            height: var(--header-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition-base);
        }

        .header.scrolled {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
        }

        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            width: 100%;
        }

        .header__logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .header__logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: var(--color-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--color-border-strong);
            color: var(--color-accent);
            font-size: 18px;
            line-height: 1;
        }

        .header__logo-text {
            font-family: var(--font-display);
            font-size: 20px;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: 0.04em;
            white-space: nowrap;
        }

        .header__nav {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 1;
            justify-content: center;
        }

        .header__nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-secondary);
            border-radius: 6px;
            position: relative;
            white-space: nowrap;
            transition: color var(--transition-fast), background var(--transition-fast);
        }

        .header__nav-link:hover,
        .header__nav-link:focus-visible {
            color: var(--color-accent);
            background: var(--color-accent-soft);
        }

        .header__nav-link.active {
            color: var(--color-accent);
        }

        .header__nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 2px;
        }

        .header__actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 22px;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            transition: all var(--transition-base);
            letter-spacing: 0.02em;
            line-height: 1.4;
            white-space: nowrap;
        }

        .btn:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        .btn--primary {
            background: var(--color-primary);
            color: var(--color-accent);
            border: 1px solid var(--color-border-strong);
        }

        .btn--primary:hover {
            background: var(--color-primary-light);
            color: var(--color-accent);
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }

        .btn--primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-card);
        }

        .btn--accent {
            background: var(--color-accent);
            color: var(--color-primary);
            border: 1px solid var(--color-accent);
        }

        .btn--accent:hover {
            background: #d4b87e;
            color: var(--color-primary);
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(201, 169, 110, 0.35);
        }

        .btn--accent:active {
            transform: translateY(0);
            box-shadow: 0 6px 16px rgba(201, 169, 110, 0.25);
        }

        .btn--outline {
            background: transparent;
            color: var(--color-accent);
            border: 1px solid var(--color-border-strong);
        }

        .btn--outline:hover {
            background: var(--color-accent-soft);
            color: var(--color-accent);
            transform: translateY(-2px);
        }

        .btn--outline:active {
            transform: translateY(0);
        }

        .btn--sm {
            padding: 7px 16px;
            font-size: 13px;
            height: 36px;
        }

        .btn--lg {
            padding: 14px 32px;
            font-size: 16px;
            height: 48px;
        }

        .header__hamburger {
            display: none;
            width: 42px;
            height: 42px;
            background: transparent;
            border: 1px solid var(--color-border-strong);
            border-radius: 6px;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            cursor: pointer;
            flex-shrink: 0;
        }

        .header__hamburger span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        .header__hamburger.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .header__hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .header__hamburger.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* Mobile Nav */
        .mobile-nav {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            background: var(--color-bg);
            border-bottom: 1px solid var(--color-border);
            padding: 16px 24px;
            z-index: 999;
            max-height: calc(100vh - var(--header-height));
            overflow-y: auto;
        }

        .mobile-nav.open {
            display: block;
            animation: slideDown 0.3s ease;
        }

        @keyframes slideDown {
            from { opacity: 0; transform: translateY(-10px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .mobile-nav__links {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .mobile-nav__link {
            padding: 12px 16px;
            font-size: 15px;
            color: var(--color-text-secondary);
            border-radius: 6px;
            transition: all var(--transition-fast);
        }

        .mobile-nav__link:hover,
        .mobile-nav__link.active {
            color: var(--color-accent);
            background: var(--color-accent-soft);
        }

        .mobile-nav__actions {
            display: flex;
            gap: 12px;
            margin-top: 16px;
            flex-wrap: wrap;
        }

        /* Hero */
        .hero {
            position: relative;
            padding: 80px 0 72px;
            background-image: url('/assets/images/f3aaa724af0ed4d4.webp');
            background-size: cover;
            background-position: center center;
            background-repeat: no-repeat;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 26, 22, 0.94) 0%, rgba(10, 26, 22, 0.75) 45%, rgba(14, 42, 35, 0.88) 100%);
            z-index: 1;
        }

        .hero__content {
            position: relative;
            z-index: 2;
            max-width: 780px;
        }

        .hero__tag {
            margin-bottom: 20px;
        }

        .hero__title {
            font-family: var(--font-display);
            font-size: 38px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--color-text);
            margin-bottom: 20px;
            letter-spacing: 0.02em;
        }

        .hero__subtitle {
            font-size: 16px;
            line-height: 2.0;
            color: var(--color-text-secondary);
            max-width: 660px;
            margin-bottom: 32px;
        }

        .hero__actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .hero__stats {
            display: flex;
            gap: 40px;
            margin-top: 40px;
            flex-wrap: wrap;
        }

        .hero__stat {
            display: flex;
            flex-direction: column;
        }
        .hero__stat-num {
            font-family: var(--font-mono);
            font-size: 28px;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.2;
        }
        .hero__stat-label {
            font-size: 13px;
            color: var(--color-text-secondary);
            margin-top: 4px;
        }

        /* Data Trust Bar */
        .data-bar {
            background: var(--color-panel);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
            padding: 32px 0;
        }

        .data-bar__grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 24px;
            text-align: center;
        }

        .data-bar__item {
            padding: 8px 12px;
        }

        .data-bar__num {
            font-family: var(--font-mono);
            font-size: 34px;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.2;
            letter-spacing: 0.02em;
        }

        .data-bar__label {
            font-size: 13px;
            color: var(--color-text-secondary);
            margin-top: 6px;
            letter-spacing: 0.03em;
        }

        /* Feature Grid */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--color-accent), transparent);
            opacity: 0;
            transition: opacity var(--transition-base);
        }

        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--color-border-strong);
        }

        .feature-card:hover::before {
            opacity: 1;
        }

        .feature-card__icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: var(--color-accent-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--color-border);
            margin-bottom: 18px;
            color: var(--color-accent);
            font-size: 20px;
        }

        .feature-card__title {
            font-family: var(--font-display);
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }

        .feature-card__desc {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.85;
        }

        /* Use Scenarios */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .scenario-card {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 24px 22px;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            transition: all var(--transition-base);
        }

        .scenario-card:hover {
            border-color: var(--color-border-strong);
            background: var(--color-panel);
            transform: translateX(4px);
        }

        .scenario-card__badge {
            width: 40px;
            height: 40px;
            min-width: 40px;
            border-radius: 50%;
            background: var(--color-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-weight: 700;
            font-size: 16px;
            border: 1px solid var(--color-border);
        }

        .scenario-card__content h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 6px;
        }

        .scenario-card__content p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.8;
        }

        /* Screenshot / Demo */
        .screenshot-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .screenshot-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-card);
        }

        .screenshot-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: var(--color-border-strong);
        }

        .screenshot-card__img {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
            background: var(--color-panel);
        }

        .screenshot-card__body {
            padding: 16px 16px 18px;
        }

        .screenshot-card__caption {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* Success Cases */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .case-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            position: relative;
        }

        .case-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--color-border-strong);
        }

        .case-card__tag {
            display: inline-block;
            font-size: 12px;
            color: var(--color-accent);
            background: var(--color-accent-soft);
            padding: 3px 10px;
            border-radius: 4px;
            margin-bottom: 14px;
            border: 1px solid rgba(201, 169, 110, 0.3);
        }

        .case-card__title {
            font-family: var(--font-display);
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 10px;
        }

        .case-card__desc {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.85;
        }

        .case-card__meta {
            display: flex;
            gap: 16px;
            margin-top: 16px;
            padding-top: 14px;
            border-top: 1px solid rgba(201, 169, 110, 0.15);
            font-size: 13px;
            color: var(--color-text-muted);
        }

        /* Pricing */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            align-items: stretch;
        }

        .pricing-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 32px 26px;
            transition: all var(--transition-base);
            position: relative;
            display: flex;
            flex-direction: column;
        }

        .pricing-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--color-border-strong);
        }

        .pricing-card--featured {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 1px var(--color-accent), var(--shadow-card);
        }

        .pricing-card--featured::before {
            content: '推荐';
            position: absolute;
            top: 16px;
            right: 16px;
            font-size: 11px;
            font-weight: 600;
            padding: 3px 10px;
            background: var(--color-accent);
            color: var(--color-primary);
            border-radius: 4px;
            letter-spacing: 0.05em;
        }

        .pricing-card__name {
            font-family: var(--font-display);
            font-size: 19px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
        }

        .pricing-card__price {
            font-family: var(--font-mono);
            font-size: 32px;
            font-weight: 700;
            color: var(--color-accent);
            margin-bottom: 6px;
        }

        .pricing-card__price small {
            font-size: 14px;
            font-weight: 400;
            color: var(--color-text-secondary);
        }

        .pricing-card__desc {
            font-size: 13px;
            color: var(--color-text-muted);
            margin-bottom: 20px;
        }

        .pricing-card__list {
            list-style: none;
            flex: 1;
            margin-bottom: 20px;
        }

        .pricing-card__list li {
            font-size: 14px;
            color: var(--color-text-secondary);
            padding: 6px 0;
            padding-left: 22px;
            position: relative;
            line-height: 1.7;
        }

        .pricing-card__list li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 14px;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-accent);
            opacity: 0.7;
        }

        /* Reviews */
        .review-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .review-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 22px 20px;
            transition: all var(--transition-base);
        }

        .review-card:hover {
            border-color: var(--color-border-strong);
            background: var(--color-panel);
        }

        .review-card__header {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 12px;
        }

        .review-card__avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--color-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-weight: 600;
            font-size: 14px;
            border: 1px solid var(--color-border);
        }

        .review-card__name {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text);
        }

        .review-card__stars {
            color: var(--color-accent);
            font-size: 13px;
            letter-spacing: 2px;
        }

        .review-card__text {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.8;
        }

        /* User Praise */
        .praise-block {
            background: var(--color-panel);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 40px 36px;
        }

        .praise-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .praise-item {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.9;
            padding-left: 20px;
            border-left: 3px solid var(--color-accent);
            font-style: italic;
        }

        .praise-item__author {
            display: block;
            font-size: 13px;
            color: var(--color-text-muted);
            margin-top: 8px;
            font-style: normal;
        }

        /* Brand Intro */
        .brand-intro {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 40px 36px;
            box-shadow: var(--shadow-card);
        }

        .brand-intro__text {
            font-size: 15px;
            line-height: 2.1;
            color: var(--color-text-secondary);
            columns: 2;
            column-gap: 40px;
            margin-top: 20px;
        }

        .brand-intro__text p {
            margin-bottom: 16px;
            break-inside: avoid;
        }

        /* News List */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .news-item {
            display: flex;
            gap: 20px;
            padding: 18px 20px;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            transition: all var(--transition-base);
            align-items: flex-start;
        }

        .news-item:hover {
            border-color: var(--color-border-strong);
            box-shadow: var(--shadow-card);
            transform: translateX(4px);
        }

        .news-item__img {
            width: 100px;
            height: 68px;
            border-radius: 6px;
            object-fit: cover;
            flex-shrink: 0;
        }

        .news-item__body {
            flex: 1;
        }

        .news-item__title {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 6px;
            line-height: 1.5;
        }

        .news-item__summary {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.75;
        }

        .news-item__date {
            font-size: 12px;
            color: var(--color-text-muted);
            white-space: nowrap;
            flex-shrink: 0;
            padding-top: 4px;
        }

        /* Category Entry */
        .cat-entry-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .cat-entry-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 24px 22px;
            transition: all var(--transition-base);
            display: block;
        }

        .cat-entry-card:hover {
            border-color: var(--color-accent);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .cat-entry-card__icon {
            width: 42px;
            height: 42px;
            border-radius: 8px;
            background: var(--color-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-size: 18px;
            margin-bottom: 14px;
            border: 1px solid var(--color-border);
        }
        .cat-entry-card__title {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 8px;
        }
        .cat-entry-card__desc {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.75;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
        }

        .faq-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 20px 24px;
            transition: all var(--transition-base);
            cursor: pointer;
        }

        .faq-item:hover {
            border-color: var(--color-border-strong);
        }

        .faq-item__question {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }

        .faq-item__icon {
            font-size: 18px;
            color: var(--color-accent);
            transition: transform var(--transition-base);
            flex-shrink: 0;
        }

        .faq-item.open .faq-item__icon {
            transform: rotate(45deg);
        }

        .faq-item__answer {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.85;
            margin-top: 12px;
            display: none;
            padding-top: 12px;
            border-top: 1px solid rgba(201, 169, 110, 0.15);
        }

        .faq-item.open .faq-item__answer {
            display: block;
        }

        /* CTA */
        .cta-section {
            background: var(--color-primary);
            border: 1px solid var(--color-border-strong);
            border-radius: var(--radius-card);
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(201, 169, 110, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-section__title {
            font-family: var(--font-display);
            font-size: 26px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 14px;
            position: relative;
        }

        .cta-section__desc {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.9;
            max-width: 560px;
            margin: 0 auto 28px;
            position: relative;
        }

        .cta-section__actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
        }

        /* Platform Guide */
        .guide-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .guide-step {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            text-align: center;
            position: relative;
            transition: all var(--transition-base);
        }

        .guide-step:hover {
            border-color: var(--color-border-strong);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card);
        }

        .guide-step__num {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-accent);
            color: var(--color-primary);
            font-weight: 700;
            font-size: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-family: var(--font-mono);
        }

        .guide-step__title {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 6px;
        }

        .guide-step__desc {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* Footer */
        .footer {
            background: var(--color-primary);
            border-top: 1px solid var(--color-border-strong);
            padding: 56px 0 32px;
            margin-top: 0;
        }

        .footer__grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer__brand {
            font-family: var(--font-display);
            font-size: 20px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 12px;
        }

        .footer__brand-desc {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            max-width: 280px;
        }

        .footer__col-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }

        .footer__links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer__links a {
            font-size: 13px;
            color: var(--color-text-secondary);
            transition: color var(--transition-fast);
        }

        .footer__links a:hover {
            color: var(--color-accent);
        }

        .footer__bottom {
            border-top: 1px solid rgba(201, 169, 110, 0.15);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 10px 20px;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--color-text-muted);
        }

        .footer__bottom-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer__bottom-links a {
            color: var(--color-text-muted);
            font-size: 12px;
            transition: color var(--transition-fast);
        }

        .footer__bottom-links a:hover {
            color: var(--color-accent);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .header__nav {
                display: none;
            }

            .header__hamburger {
                display: flex;
            }

            .header .container {
                gap: 12px;
            }

            .header__actions .btn {
                padding: 8px 14px;
                font-size: 13px;
            }

            .hero__title {
                font-size: 32px;
            }

            .data-bar__grid {
                grid-template-columns: repeat(3, 1fr);
            }

            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .screenshot-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .case-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .pricing-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 16px;
            }

            .review-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .cat-entry-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .guide-steps {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer__grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }

            .brand-intro__text {
                columns: 1;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-gap: 48px;
                --header-height: 60px;
            }

            .section {
                padding: 48px 0;
            }

            .container {
                padding: 0 16px;
            }

            .section__title {
                font-size: 22px;
            }

            .hero {
                padding: 56px 0 48px;
            }

            .hero__title {
                font-size: 28px;
                line-height: 1.45;
            }

            .hero__subtitle {
                font-size: 15px;
                line-height: 1.85;
            }

            .hero__stats {
                gap: 24px;
            }

            .hero__stat-num {
                font-size: 22px;
            }

            .data-bar__grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .data-bar__num {
                font-size: 28px;
            }

            .feature-grid {
                grid-template-columns: 1fr;
            }

            .scenario-grid {
                grid-template-columns: 1fr;
            }

            .screenshot-grid {
                grid-template-columns: 1fr;
            }

            .case-grid {
                grid-template-columns: 1fr;
            }

            .pricing-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .review-grid {
                grid-template-columns: 1fr;
            }

            .praise-grid {
                grid-template-columns: 1fr;
            }

            .news-item {
                flex-direction: column;
                gap: 12px;
            }
            .news-item__img {
                width: 100%;
                height: auto;
                aspect-ratio: 16/9;
            }
            .news-item__date {
                padding-top: 0;
            }

            .cat-entry-grid {
                grid-template-columns: 1fr;
            }

            .guide-steps {
                grid-template-columns: 1fr;
            }

            .cta-section {
                padding: 36px 24px;
            }
            .cta-section__title {
                font-size: 22px;
            }

            .footer__grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer__bottom {
                flex-direction: column;
                align-items: flex-start;
            }

            .brand-intro {
                padding: 28px 20px;
            }

            .praise-block {
                padding: 28px 20px;
            }

            .header__actions .btn--outline {
                display: none;
            }

            .btn--lg {
                padding: 12px 24px;
                font-size: 15px;
                height: 44px;
            }
        }

        @media (max-width: 520px) {
            :root {
                --section-gap: 40px;
            }

            .section {
                padding: 40px 0;
            }

            .section__title {
                font-size: 20px;
            }

            .hero__title {
                font-size: 24px;
            }

            .hero__actions {
                flex-direction: column;
                gap: 10px;
            }

            .hero__actions .btn {
                width: 100%;
                justify-content: center;
            }

            .header__logo-text {
                font-size: 17px;
            }
            .header__logo-icon {
                width: 30px;
                height: 30px;
                font-size: 15px;
            }

            .data-bar__grid {
                grid-template-columns: 1fr 1fr;
            }

            .pricing-card {
                padding: 24px 18px;
            }
            .pricing-card__price {
                font-size: 26px;
            }

            .review-card__text {
                font-size: 13px;
            }

            .news-item__title {
                font-size: 14px;
            }

            .cta-section {
                padding: 28px 16px;
            }
            .cta-section__actions {
                flex-direction: column;
            }
            .cta-section__actions .btn {
                width: 100%;
            }

            .footer {
                padding: 40px 0 24px;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #0E2A23;
            --color-primary-light: #164336;
            --color-accent: #C9A96E;
            --color-accent-soft: rgba(201, 169, 110, 0.15);
            --color-highlight: #4ADE80;
            --color-bg: #0A1A16;
            --color-card: #0F211C;
            --color-panel: #142A23;
            --color-text: #F5F0E4;
            --color-text-secondary: #A8B5AE;
            --color-text-muted: #7A8982;
            --color-border: rgba(201, 169, 110, 0.25);
            --color-border-strong: rgba(201, 169, 110, 0.45);
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-small: 6px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 12px 36px rgba(0, 0, 0, 0.5);
            --font-display: 'Noto Serif SC', 'Source Han Serif SC', 'SimSun', 'Songti SC', serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', sans-serif;
            --font-mono: 'SF Mono', 'Fira Code', 'Consolas', monospace;
            --transition-fast: 0.2s ease;
            --transition-base: 0.35s ease;
            --container-max: 1200px;
            --section-gap: 56px;
            --header-height: 72px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-body);
            font-size: 15px;
            line-height: 1.85;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--color-accent);
        }

        button {
            font-family: var(--font-body);
            cursor: pointer;
            border: none;
            outline: none;
        }

        input,
        select,
        textarea {
            font-family: var(--font-body);
            outline: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        .section {
            padding: var(--section-gap) 0;
        }

        .section--alt {
            background-color: var(--color-card);
            border-top: 1px solid rgba(201, 169, 110, 0.12);
            border-bottom: 1px solid rgba(201, 169, 110, 0.12);
        }

        .section__header {
            margin-bottom: 36px;
            max-width: 720px;
        }

        .section__title {
            font-family: var(--font-display);
            font-size: 26px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--color-text);
            margin-bottom: 12px;
            letter-spacing: 0.01em;
        }

        .section__subtitle {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.9;
        }

        .section__action {
            margin-top: 32px;
        }

        .tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 14px;
            font-size: 12px;
            font-weight: 500;
            border-radius: 999px;
            color: var(--color-accent);
            background: var(--color-accent-soft);
            border: 1px solid rgba(201, 169, 110, 0.3);
            letter-spacing: 0.03em;
        }

        /* Header / Navigation */
        .header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 26, 22, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border);
            height: var(--header-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition-base);
        }

        .header.scrolled {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
        }

        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            width: 100%;
        }

        .header__logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .header__logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: var(--color-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--color-border-strong);
            color: var(--color-accent);
            font-size: 18px;
            line-height: 1;
        }

        .header__logo-text {
            font-family: var(--font-display);
            font-size: 20px;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: 0.04em;
            white-space: nowrap;
        }

        .header__nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
        }

        .header__nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-secondary);
            border-radius: 6px;
            transition: color var(--transition-fast), background var(--transition-fast);
            white-space: nowrap;
        }

        .header__nav-link:hover {
            color: var(--color-accent);
            background: var(--color-accent-soft);
        }

        .header__nav-link.active {
            color: var(--color-accent);
            background: var(--color-accent-soft);
            border-bottom: 2px solid var(--color-accent);
            border-radius: 6px 6px 0 0;
        }

        .header__actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 22px;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
            min-height: 42px;
            gap: 8px;
        }

        .btn--primary {
            background: var(--color-primary);
            color: var(--color-accent);
            border: 1px solid var(--color-border-strong);
        }

        .btn--primary:hover {
            background: var(--color-primary-light);
            box-shadow: var(--shadow-card);
            transform: translateY(-1px);
            color: var(--color-text);
        }

        .btn--outline {
            background: transparent;
            color: var(--color-accent);
            border: 1px solid var(--color-border);
        }

        .btn--outline:hover {
            background: var(--color-accent-soft);
            border-color: var(--color-border-strong);
            transform: translateY(-1px);
        }

        .btn--sm {
            padding: 6px 16px;
            font-size: 13px;
            min-height: 34px;
            border-radius: 6px;
        }

        .btn--lg {
            padding: 14px 32px;
            font-size: 16px;
            min-height: 52px;
            border-radius: 8px;
        }

        .header__burger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            padding: 8px;
            border-radius: 6px;
            border: 1px solid var(--color-border);
        }

        .header__burger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: var(--color-text-muted);
            margin-bottom: 16px;
        }

        .breadcrumb a {
            color: var(--color-text-secondary);
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: var(--color-accent);
        }

        .breadcrumb__sep {
            color: var(--color-text-muted);
            user-select: none;
        }

        .breadcrumb__current {
            color: var(--color-accent);
            font-weight: 500;
        }

        /* Category header (narrow) */
        .cat-header {
            padding: 40px 0 24px;
            border-bottom: 1px solid rgba(201, 169, 110, 0.15);
            background: linear-gradient(180deg, rgba(14, 42, 35, 0.5) 0%, rgba(10, 26, 22, 0.9) 100%);
        }

        .cat-header__title {
            font-family: var(--font-display);
            font-size: 32px;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: 0.02em;
            margin-bottom: 8px;
        }

        .cat-header__desc {
            font-size: 15px;
            color: var(--color-text-secondary);
            max-width: 720px;
            line-height: 1.9;
        }

        /* Filter toolbar */
        .filter-bar {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            background: var(--color-panel);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 16px 20px;
            margin-bottom: 32px;
        }

        .filter-bar__label {
            font-size: 13px;
            color: var(--color-text-secondary);
            font-weight: 500;
            white-space: nowrap;
        }

        .filter-bar__select {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            color: var(--color-text);
            border-radius: 6px;
            padding: 8px 12px;
            font-size: 13px;
            min-width: 140px;
            cursor: pointer;
            transition: border-color var(--transition-fast);
        }

        .filter-bar__select:hover,
        .filter-bar__select:focus {
            border-color: var(--color-border-strong);
        }

        .filter-bar__select option {
            background: var(--color-card);
            color: var(--color-text);
        }

        .filter-bar__sort {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-left: auto;
            flex-wrap: wrap;
        }

        .filter-bar__sort-btn {
            padding: 6px 16px;
            font-size: 13px;
            border-radius: 6px;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            cursor: pointer;
            min-height: 36px;
        }

        .filter-bar__sort-btn:hover {
            border-color: var(--color-border-strong);
            color: var(--color-accent);
        }

        .filter-bar__sort-btn.active {
            background: var(--color-accent-soft);
            border-color: var(--color-border-strong);
            color: var(--color-accent);
        }

        /* Download table */
        .download-table {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .download-row {
            display: grid;
            grid-template-columns: 1fr 120px 100px 110px 110px auto;
            align-items: center;
            gap: 16px;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 16px 20px;
            transition: all var(--transition-base);
        }

        .download-row:hover {
            border-color: var(--color-border-strong);
            box-shadow: var(--shadow-card);
            transform: translateY(-1px);
        }

        .download-row__game {
            display: flex;
            align-items: center;
            gap: 14px;
            min-width: 0;
        }

        .download-row__icon {
            width: 48px;
            height: 48px;
            border-radius: 8px;
            background: var(--color-primary-light);
            border: 1px solid var(--color-border);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            color: var(--color-accent);
            font-size: 20px;
            font-weight: 700;
        }

        .download-row__info {
            min-width: 0;
        }

        .download-row__name {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 2px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .download-row__desc {
            font-size: 12px;
            color: var(--color-text-muted);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .download-row__cell {
            font-size: 13px;
            color: var(--color-text-secondary);
            text-align: center;
            white-space: nowrap;
        }

        .download-row__cell--version {
            font-family: var(--font-mono);
            color: var(--color-accent);
            font-weight: 500;
        }

        .download-row__cell--size {
            font-family: var(--font-mono);
            color: var(--color-text-secondary);
        }

        .download-row__cell--date {
            font-size: 12px;
            color: var(--color-text-muted);
        }

        .download-row__btn {
            text-align: right;
            white-space: nowrap;
        }

        /* Hot recommendations */
        .hot-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .hot-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }

        .hot-card:hover {
            border-color: var(--color-border-strong);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .hot-card__img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            background: var(--color-panel);
        }

        .hot-card__body {
            padding: 16px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .hot-card__title {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 6px;
        }

        .hot-card__desc {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            flex: 1;
        }

        .hot-card__footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 12px;
            padding-top: 12px;
            border-top: 1px solid rgba(201, 169, 110, 0.15);
        }

        .hot-card__tag {
            font-size: 11px;
            color: var(--color-text-muted);
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: border-color var(--transition-fast);
        }

        .faq-item:hover {
            border-color: var(--color-border-strong);
        }

        .faq-item__question {
            padding: 16px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            user-select: none;
        }

        .faq-item__question::after {
            content: '+';
            font-size: 20px;
            color: var(--color-accent);
            flex-shrink: 0;
            transition: transform var(--transition-fast);
        }

        .faq-item.open .faq-item__question::after {
            transform: rotate(45deg);
        }

        .faq-item__answer {
            padding: 0 20px 16px;
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.9;
            display: none;
        }

        .faq-item.open .faq-item__answer {
            display: block;
        }

        /* Subscribe */
        .subscribe-panel {
            background: var(--color-panel);
            border: 1px solid var(--color-border-strong);
            border-radius: var(--radius-card);
            padding: 32px 36px;
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 24px;
        }

        .subscribe-panel__info {
            flex: 1;
            min-width: 240px;
        }

        .subscribe-panel__title {
            font-family: var(--font-display);
            font-size: 20px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
        }

        .subscribe-panel__desc {
            font-size: 14px;
            color: var(--color-text-secondary);
        }

        .subscribe-panel__form {
            display: flex;
            gap: 10px;
            min-width: 280px;
            flex: 0 0 auto;
        }

        .subscribe-panel__input {
            flex: 1;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            color: var(--color-text);
            border-radius: var(--radius-btn);
            padding: 10px 16px;
            font-size: 14px;
            min-width: 200px;
            transition: border-color var(--transition-fast);
        }

        .subscribe-panel__input:focus {
            border-color: var(--color-border-strong);
        }

        .subscribe-panel__input::placeholder {
            color: var(--color-text-muted);
        }

        /* Footer */
        .footer {
            background: var(--color-primary);
            border-top: 1px solid var(--color-border);
            padding: 40px 0 20px;
            margin-top: 0;
        }

        .footer__grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer__brand {
            font-family: var(--font-display);
            font-size: 22px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
        }

        .footer__brand-desc {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.8;
        }

        .footer__col-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-accent);
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .footer__links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer__links a {
            font-size: 13px;
            color: var(--color-text-secondary);
            transition: color var(--transition-fast);
        }

        .footer__links a:hover {
            color: var(--color-accent);
        }

        .footer__bottom {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 16px;
            border-top: 1px solid rgba(201, 169, 110, 0.15);
            font-size: 12px;
            color: var(--color-text-muted);
        }

        .footer__bottom-links {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-left: auto;
        }

        .footer__bottom-links a {
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
            font-size: 12px;
        }

        .footer__bottom-links a:hover {
            color: var(--color-accent);
        }

        .footer__bottom-links span {
            color: var(--color-text-muted);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .header__nav {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(10, 26, 22, 0.98);
                border-bottom: 1px solid var(--color-border);
                flex-direction: column;
                padding: 16px 24px;
                gap: 4px;
                box-shadow: var(--shadow-card);
            }

            .header__nav.open {
                display: flex;
            }

            .header__nav-link {
                padding: 12px 16px;
                width: 100%;
                border-radius: 6px;
            }

            .header__nav-link.active {
                border-bottom: none;
                background: var(--color-accent-soft);
                border-radius: 6px;
            }

            .header__burger {
                display: flex;
            }

            .header__actions .btn--outline {
                display: none;
            }

            .download-row {
                grid-template-columns: 1fr 100px 90px 100px auto;
            }

            .download-row__cell--date {
                display: none;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-gap: 40px;
                --header-height: 60px;
            }

            .header__logo-text {
                font-size: 18px;
            }

            .header__actions .btn {
                padding: 8px 16px;
                font-size: 13px;
                min-height: 36px;
            }

            .cat-header__title {
                font-size: 26px;
            }

            .section__title {
                font-size: 22px;
            }

            .download-row {
                grid-template-columns: 1fr auto;
                gap: 12px;
                padding: 14px 16px;
                position: relative;
            }

            .download-row__game {
                grid-column: 1 / -1;
                margin-bottom: 4px;
            }

            .download-row__cell {
                text-align: left;
                font-size: 12px;
            }

            .download-row__btn {
                text-align: right;
                grid-column: 2;
                grid-row: 2 / 4;
                align-self: center;
            }

            .download-row__cell--version {
                grid-column: 1;
                grid-row: 2;
            }

            .download-row__cell--size {
                grid-column: 1;
                grid-row: 3;
            }

            .download-row__cell--date {
                display: none;
            }

            .hot-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }

            .subscribe-panel {
                padding: 24px 20px;
                flex-direction: column;
                align-items: stretch;
            }

            .subscribe-panel__form {
                flex-direction: column;
                min-width: auto;
            }

            .subscribe-panel__input {
                min-width: auto;
                width: 100%;
            }

            .filter-bar {
                flex-direction: column;
                align-items: stretch;
                gap: 10px;
            }

            .filter-bar__sort {
                margin-left: 0;
            }

            .footer__grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }

            .footer__bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .footer__bottom-links {
                margin-left: 0;
            }
        }

        @media (max-width: 520px) {
            .header .container {
                padding: 0 16px;
            }

            .header__actions .btn--primary {
                padding: 6px 12px;
                font-size: 12px;
                min-height: 32px;
            }

            .cat-header__title {
                font-size: 22px;
            }

            .cat-header__desc {
                font-size: 14px;
            }

            .section__title {
                font-size: 20px;
            }

            .hot-grid {
                grid-template-columns: 1fr;
            }

            .download-row {
                grid-template-columns: 1fr;
                gap: 8px;
            }

            .download-row__btn {
                text-align: left;
                grid-column: 1;
                grid-row: auto;
            }

            .download-row__cell--version,
            .download-row__cell--size {
                grid-column: 1;
                grid-row: auto;
            }

            .btn--lg {
                padding: 12px 24px;
                font-size: 15px;
                min-height: 44px;
            }

            .footer__grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .subscribe-panel__title {
                font-size: 18px;
            }
        }

        /* Focus styles for accessibility */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--color-highlight);
            outline-offset: 2px;
        }

/* roulang page: category2 */
:root {
            --color-primary: #0E2A23;
            --color-primary-light: #164336;
            --color-accent: #C9A96E;
            --color-accent-soft: rgba(201, 169, 110, 0.15);
            --color-highlight: #4ADE80;
            --color-bg: #0A1A16;
            --color-card: #0F211C;
            --color-panel: #142A23;
            --color-text: #F5F0E4;
            --color-text-secondary: #A8B5AE;
            --color-text-muted: #7A8982;
            --color-border: rgba(201, 169, 110, 0.25);
            --color-border-strong: rgba(201, 169, 110, 0.45);
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-small: 6px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 12px 36px rgba(0, 0, 0, 0.5);
            --font-display: 'Noto Serif SC', 'Source Han Serif SC', 'SimSun', 'Songti SC', serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', sans-serif;
            --font-mono: 'SF Mono', 'Fira Code', 'Consolas', monospace;
            --transition-fast: 0.2s ease;
            --transition-base: 0.35s ease;
            --container-max: 1200px;
            --section-gap: 48px;
            --header-height: 64px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-body);
            font-size: 15px;
            line-height: 1.85;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--color-accent);
        }

        button {
            font-family: var(--font-body);
            cursor: pointer;
            border: none;
            outline: none;
        }

        input,
        select,
        textarea {
            font-family: var(--font-body);
            outline: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        .section {
            padding: var(--section-gap) 0;
        }

        .section--alt {
            background-color: var(--color-card);
            border-top: 1px solid rgba(201, 169, 110, 0.12);
            border-bottom: 1px solid rgba(201, 169, 110, 0.12);
        }

        .section__header {
            margin-bottom: 36px;
            max-width: 720px;
        }

        .section__title {
            font-family: var(--font-display);
            font-size: 24px;
            font-weight: 700;
            line-height: 1.5;
            color: var(--color-text);
            margin-bottom: 10px;
            letter-spacing: 0.01em;
        }

        .section__subtitle {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.9;
        }

        .tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 14px;
            font-size: 12px;
            font-weight: 500;
            border-radius: 999px;
            color: var(--color-accent);
            background: var(--color-accent-soft);
            border: 1px solid rgba(201, 169, 110, 0.3);
            letter-spacing: 0.03em;
            white-space: nowrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 24px;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            transition: all var(--transition-base);
            letter-spacing: 0.02em;
            line-height: 1.4;
            min-height: 42px;
        }

        .btn:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        .btn--primary {
            background: var(--color-primary-light);
            color: var(--color-accent);
            border: 1px solid var(--color-border-strong);
        }

        .btn--primary:hover {
            background: var(--color-primary);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
            color: #E8D5B0;
        }

        .btn--primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-card);
        }

        .btn--secondary {
            background: transparent;
            color: var(--color-accent);
            border: 1px solid var(--color-border-strong);
        }

        .btn--secondary:hover {
            background: rgba(201, 169, 110, 0.08);
            border-color: var(--color-accent);
            transform: translateY(-2px);
        }

        .btn--secondary:active {
            transform: translateY(0);
        }

        /* Header / Navigation */
        .header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 26, 22, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border);
            height: var(--header-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition-base);
        }

        .header.scrolled {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
        }

        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            width: 100%;
        }

        .header__logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .header__logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: var(--color-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--color-border-strong);
            color: var(--color-accent);
            font-size: 18px;
            line-height: 1;
            flex-shrink: 0;
        }

        .header__logo-text {
            font-family: var(--font-display);
            font-size: 19px;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: 0.04em;
            white-space: nowrap;
        }

        .header__nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
            flex-wrap: wrap;
        }

        .header__nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 13px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-secondary);
            border-radius: 6px;
            transition: all var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }

        .header__nav-link:hover {
            color: var(--color-accent);
            background: rgba(201, 169, 110, 0.06);
        }

        .header__nav-link.active {
            color: var(--color-accent);
            background: var(--color-accent-soft);
        }

        .header__nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
        }

        .header__actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .header__actions .btn {
            min-height: 38px;
            padding: 8px 18px;
            font-size: 13px;
        }

        .header__hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            border: none;
            padding: 8px;
            cursor: pointer;
        }

        .header__hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .header__hamburger:hover span {
            background: #E8D5B0;
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--color-text-muted);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--color-text-secondary);
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: var(--color-accent);
        }

        .breadcrumb__sep {
            color: var(--color-text-muted);
            font-size: 11px;
            user-select: none;
        }

        .breadcrumb__current {
            color: var(--color-accent);
            font-weight: 500;
        }

        /* Page header (narrow, no big hero) */
        .page-header {
            padding: 36px 0 24px;
            background: var(--color-bg);
            border-bottom: 1px solid rgba(201, 169, 110, 0.12);
        }

        .page-header__h1 {
            font-family: var(--font-display);
            font-size: 32px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--color-text);
            letter-spacing: 0.01em;
            margin-bottom: 8px;
        }

        .page-header__desc {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.9;
            max-width: 720px;
        }

        /* Toolbar */
        .toolbar {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            padding: 16px 20px;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            margin-bottom: 32px;
        }

        .toolbar__group {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .toolbar__label {
            font-size: 13px;
            color: var(--color-text-muted);
            font-weight: 500;
            white-space: nowrap;
        }

        .toolbar__select {
            background: var(--color-panel);
            color: var(--color-text);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-small);
            padding: 7px 12px;
            font-size: 13px;
            appearance: none;
            -webkit-appearance: none;
            cursor: pointer;
            transition: border-color var(--transition-fast);
            min-width: 120px;
        }

        .toolbar__select:hover,
        .toolbar__select:focus {
            border-color: var(--color-accent);
        }

        .toolbar__search {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-left: auto;
            flex: 1;
            max-width: 280px;
            min-width: 180px;
        }

        .toolbar__search input {
            flex: 1;
            background: var(--color-panel);
            color: var(--color-text);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-small);
            padding: 8px 14px;
            font-size: 13px;
            transition: border-color var(--transition-fast);
            min-width: 0;
        }

        .toolbar__search input::placeholder {
            color: var(--color-text-muted);
        }

        .toolbar__search input:focus {
            border-color: var(--color-accent);
        }

        .toolbar__search-btn {
            background: var(--color-primary-light);
            color: var(--color-accent);
            border: 1px solid var(--color-border-strong);
            border-radius: var(--radius-small);
            padding: 8px 14px;
            font-size: 13px;
            font-weight: 600;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .toolbar__search-btn:hover {
            background: var(--color-primary);
            box-shadow: var(--shadow-card);
        }

        /* Guide list cards */
        .guide-list {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .guide-card {
            display: flex;
            gap: 20px;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 18px;
            transition: all var(--transition-base);
            cursor: pointer;
        }

        .guide-card:hover {
            border-color: var(--color-border-strong);
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .guide-card:focus-within {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        .guide-card__img {
            flex-shrink: 0;
            width: 200px;
            height: 140px;
            border-radius: var(--radius-small);
            overflow: hidden;
            border: 1px solid rgba(201, 169, 110, 0.2);
        }

        .guide-card__img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-base);
        }

        .guide-card:hover .guide-card__img img {
            transform: scale(1.04);
        }

        .guide-card__body {
            flex: 1;
            display: flex;
            flex-direction: column;
            min-width: 0;
        }

        .guide-card__meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 6px;
            flex-wrap: wrap;
        }

        .guide-card__title {
            font-family: var(--font-display);
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.5;
            margin-bottom: 6px;
            transition: color var(--transition-fast);
        }

        .guide-card:hover .guide-card__title {
            color: var(--color-accent);
        }

        .guide-card__excerpt {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 8px;
        }

        .guide-card__footer {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-top: auto;
            font-size: 12px;
            color: var(--color-text-muted);
        }

        .guide-card__read {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .guide-card__read-icon {
            font-size: 13px;
            line-height: 1;
        }

        /* Load more */
        .load-more-wrapper {
            display: flex;
            justify-content: center;
            margin-top: 28px;
        }

        /* Hot guides */
        .hot-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .hot-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--transition-base);
            cursor: pointer;
        }

        .hot-card:hover {
            border-color: var(--color-border-strong);
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .hot-card__img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            border-bottom: 1px solid rgba(201, 169, 110, 0.15);
        }

        .hot-card__img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-base);
        }

        .hot-card:hover .hot-card__img img {
            transform: scale(1.05);
        }

        .hot-card__body {
            padding: 16px;
        }

        .hot-card__tag {
            display: inline-block;
            font-size: 11px;
            color: var(--color-accent);
            background: var(--color-accent-soft);
            padding: 2px 10px;
            border-radius: 999px;
            margin-bottom: 8px;
            border: 1px solid rgba(201, 169, 110, 0.25);
        }

        .hot-card__title {
            font-family: var(--font-display);
            font-size: 15px;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.5;
            margin-bottom: 6px;
            transition: color var(--transition-fast);
        }

        .hot-card:hover .hot-card__title {
            color: var(--color-accent);
        }

        .hot-card__reads {
            font-size: 12px;
            color: var(--color-text-muted);
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
        }

        .faq-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: var(--color-border-strong);
        }

        .faq-item__question {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 16px 20px;
            cursor: pointer;
            font-weight: 600;
            font-size: 15px;
            color: var(--color-text);
            transition: color var(--transition-fast);
            user-select: none;
        }

        .faq-item__question:hover {
            color: var(--color-accent);
        }

        .faq-item__icon {
            flex-shrink: 0;
            width: 22px;
            height: 22px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-size: 16px;
            transition: transform var(--transition-fast);
        }

        .faq-item.open .faq-item__icon {
            transform: rotate(45deg);
        }

        .faq-item__answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base), padding var(--transition-base);
            padding: 0 20px;
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.85;
        }

        .faq-item.open .faq-item__answer {
            max-height: 200px;
            padding: 0 20px 18px;
        }

        /* Subscribe CTA */
        .subscribe-cta {
            background: var(--color-primary);
            border: 1px solid var(--color-border-strong);
            border-radius: var(--radius-card);
            padding: 40px 36px;
            display: flex;
            align-items: center;
            gap: 32px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }

        .subscribe-cta::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(201, 169, 110, 0.06);
            pointer-events: none;
        }

        .subscribe-cta__content {
            flex: 1;
            min-width: 260px;
        }

        .subscribe-cta__title {
            font-family: var(--font-display);
            font-size: 22px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
            line-height: 1.5;
        }

        .subscribe-cta__desc {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.85;
        }

        .subscribe-cta__form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            flex-shrink: 0;
        }

        .subscribe-cta__input {
            background: var(--color-bg);
            color: var(--color-text);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-btn);
            padding: 10px 18px;
            font-size: 14px;
            min-width: 220px;
            transition: border-color var(--transition-fast);
        }

        .subscribe-cta__input::placeholder {
            color: var(--color-text-muted);
        }

        .subscribe-cta__input:focus {
            border-color: var(--color-accent);
        }

        .subscribe-cta__btn {
            background: var(--color-accent);
            color: var(--color-primary);
            border: none;
            border-radius: var(--radius-btn);
            padding: 10px 24px;
            font-size: 14px;
            font-weight: 700;
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .subscribe-cta__btn:hover {
            background: #E8D5B0;
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .subscribe-cta__btn:active {
            transform: translateY(0);
            box-shadow: var(--shadow-card);
        }

        /* Footer */
        .footer {
            background: var(--color-primary);
            border-top: 1px solid var(--color-border-strong);
            padding: 48px 0 28px;
            margin-top: 0;
        }

        .footer__grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        .footer__brand {
            font-family: var(--font-display);
            font-size: 20px;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: 0.04em;
            margin-bottom: 10px;
        }

        .footer__brand-desc {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            max-width: 260px;
        }

        .footer__col-title {
            font-family: var(--font-display);
            font-size: 15px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .footer__links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer__links a {
            font-size: 13px;
            color: var(--color-text-secondary);
            transition: color var(--transition-fast);
        }

        .footer__links a:hover {
            color: var(--color-accent);
        }

        .footer__bottom {
            display: flex;
            align-items: center;
            gap: 18px;
            flex-wrap: wrap;
            padding-top: 20px;
            border-top: 1px solid rgba(201, 169, 110, 0.15);
            font-size: 12px;
            color: var(--color-text-muted);
        }

        .footer__bottom-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer__bottom-links a {
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }

        .footer__bottom-links a:hover {
            color: var(--color-accent);
        }

        /* Hidden guides for load more */
        .guide-card--hidden {
            display: none;
        }

        .guide-card--hidden.visible {
            display: flex;
            animation: fadeInUp 0.4s ease forwards;
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(12px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .header__nav {
                gap: 2px;
            }
            .header__nav-link {
                padding: 8px 10px;
                font-size: 13px;
            }
            .header__actions .btn--secondary {
                display: none;
            }
            .hot-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-gap: 40px;
                --header-height: 56px;
            }

            .header__hamburger {
                display: flex;
            }

            .header__nav {
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(10, 26, 22, 0.98);
                flex-direction: column;
                align-items: flex-start;
                gap: 0;
                padding: 16px 24px;
                border-bottom: 1px solid var(--color-border);
                display: none;
                box-shadow: var(--shadow-hover);
                z-index: 999;
            }

            .header__nav.open {
                display: flex;
            }

            .header__nav-link {
                padding: 12px 0;
                font-size: 15px;
                width: 100%;
                border-bottom: 1px solid rgba(201, 169, 110, 0.08);
                border-radius: 0;
            }

            .header__nav-link.active::after {
                display: none;
            }

            .header__actions .btn {
                min-height: 34px;
                padding: 6px 14px;
                font-size: 12px;
            }

            .page-header__h1 {
                font-size: 26px;
            }

            .guide-card {
                flex-direction: column;
                gap: 14px;
                padding: 14px;
            }

            .guide-card__img {
                width: 100%;
                height: 180px;
            }

            .hot-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }

            .toolbar {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }

            .toolbar__search {
                max-width: 100%;
                width: 100%;
                margin-left: 0;
            }

            .subscribe-cta {
                flex-direction: column;
                align-items: flex-start;
                padding: 28px 24px;
                gap: 20px;
            }

            .subscribe-cta__form {
                width: 100%;
            }

            .subscribe-cta__input {
                flex: 1;
                min-width: 0;
                width: 100%;
            }

            .footer__grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            :root {
                --section-gap: 32px;
            }

            .page-header__h1 {
                font-size: 22px;
            }

            .section__title {
                font-size: 20px;
            }

            .hot-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .guide-card__img {
                height: 150px;
            }

            .guide-card__title {
                font-size: 16px;
            }

            .subscribe-cta__form {
                flex-direction: column;
            }

            .subscribe-cta__input {
                width: 100%;
            }

            .footer__grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .footer__bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .toolbar__group {
                flex-wrap: wrap;
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #0E2A23;
            --color-primary-light: #164336;
            --color-accent: #C9A96E;
            --color-accent-soft: rgba(201, 169, 110, 0.15);
            --color-highlight: #4ADE80;
            --color-bg: #0A1A16;
            --color-card: #0F211C;
            --color-panel: #142A23;
            --color-text: #F5F0E4;
            --color-text-secondary: #A8B5AE;
            --color-text-muted: #7A8982;
            --color-border: rgba(201, 169, 110, 0.25);
            --color-border-strong: rgba(201, 169, 110, 0.45);
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-small: 6px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 12px 36px rgba(0, 0, 0, 0.5);
            --font-display: 'Noto Serif SC', 'Source Han Serif SC', 'SimSun', 'Songti SC', serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', sans-serif;
            --font-mono: 'SF Mono', 'Fira Code', 'Consolas', monospace;
            --transition-fast: 0.2s ease;
            --transition-base: 0.35s ease;
            --container-max: 1200px;
            --section-gap: 56px;
            --header-height: 72px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-body);
            font-size: 15px;
            line-height: 1.85;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            min-height: 100vh;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent);
        }
        button {
            font-family: var(--font-body);
            cursor: pointer;
            border: none;
            outline: none;
            background: none;
        }
        input,
        select,
        textarea {
            font-family: var(--font-body);
            outline: none;
            border: 1px solid var(--color-border);
            background-color: var(--color-panel);
            color: var(--color-text);
            border-radius: var(--radius-small);
            padding: 10px 14px;
            font-size: 14px;
            transition: border-color var(--transition-fast);
        }
        input:focus,
        select:focus,
        textarea:focus {
            border-color: var(--color-accent);
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        .section {
            padding: var(--section-gap) 0;
        }
        .section--alt {
            background-color: var(--color-card);
            border-top: 1px solid rgba(201, 169, 110, 0.12);
            border-bottom: 1px solid rgba(201, 169, 110, 0.12);
        }
        .section__header {
            margin-bottom: 32px;
            max-width: 760px;
        }
        .section__title {
            font-family: var(--font-display);
            font-size: 26px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--color-text);
            margin-bottom: 10px;
            letter-spacing: 0.01em;
        }
        .section__subtitle {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.9;
        }
        .tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 14px;
            font-size: 12px;
            font-weight: 500;
            border-radius: 999px;
            color: var(--color-accent);
            background: var(--color-accent-soft);
            border: 1px solid rgba(201, 169, 110, 0.3);
            letter-spacing: 0.03em;
            white-space: nowrap;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 999px;
            white-space: nowrap;
        }
        .badge--hot {
            color: #FF6B35;
            background: rgba(255, 107, 53, 0.12);
            border: 1px solid rgba(255, 107, 53, 0.3);
        }
        .badge--new {
            color: var(--color-highlight);
            background: rgba(74, 222, 128, 0.12);
            border: 1px solid rgba(74, 222, 128, 0.3);
        }
        .badge--update {
            color: var(--color-accent);
            background: var(--color-accent-soft);
            border: 1px solid var(--color-border-strong);
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.02em;
            border-radius: var(--radius-btn);
            height: 44px;
            padding: 0 24px;
            transition: all var(--transition-base);
            white-space: nowrap;
            line-height: 1;
        }
        .btn--primary {
            background: var(--color-primary-light);
            color: var(--color-accent);
            border: 1px solid var(--color-border-strong);
        }
        .btn--primary:hover {
            background: var(--color-accent);
            color: var(--color-bg);
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
            border-color: var(--color-accent);
        }
        .btn--secondary {
            background: transparent;
            color: var(--color-accent);
            border: 1px solid var(--color-border-strong);
        }
        .btn--secondary:hover {
            background: var(--color-accent-soft);
            border-color: var(--color-accent);
            transform: translateY(-2px);
        }
        .btn--ghost {
            background: transparent;
            color: var(--color-text-secondary);
            border: 1px solid var(--color-border);
        }
        .btn--ghost:hover {
            color: var(--color-accent);
            border-color: var(--color-border-strong);
            background: var(--color-accent-soft);
        }
        .btn--sm {
            height: 36px;
            padding: 0 16px;
            font-size: 13px;
        }
        .btn--lg {
            height: 52px;
            padding: 0 32px;
            font-size: 16px;
        }
        /* Header/Nav */
        .header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 26, 22, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border);
            height: var(--header-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition-base);
        }
        .header.scrolled {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
        }
        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            width: 100%;
        }
        .header__logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .header__logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: var(--color-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--color-border-strong);
            color: var(--color-accent);
            font-size: 18px;
            line-height: 1;
            flex-shrink: 0;
        }
        .header__logo-text {
            font-family: var(--font-display);
            font-size: 20px;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: 0.04em;
            white-space: nowrap;
        }
        .header__nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .header__nav::-webkit-scrollbar {
            display: none;
        }
        .header__nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 12px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-secondary);
            border-radius: 6px;
            white-space: nowrap;
            transition: color var(--transition-fast), background var(--transition-fast);
            position: relative;
        }
        .header__nav-link:hover {
            color: var(--color-accent);
            background: var(--color-accent-soft);
        }
        .header__nav-link.active {
            color: var(--color-accent);
        }
        .header__nav-link.active::after {
            content: '';
            position: absolute;
            left: 12px;
            right: 12px;
            bottom: 2px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 2px;
        }
        .header__actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .header__hamburger {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            border: 1px solid var(--color-border);
            font-size: 20px;
            flex-shrink: 0;
            background: transparent;
            transition: background var(--transition-fast);
        }
        .header__hamburger:hover {
            background: var(--color-accent-soft);
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(10, 26, 22, 0.98);
            z-index: 999;
            padding: 24px;
            overflow-y: auto;
            border-top: 1px solid var(--color-border);
        }
        .mobile-menu.open {
            display: block;
        }
        .mobile-menu__links {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .mobile-menu__link {
            display: block;
            padding: 14px 16px;
            font-size: 16px;
            font-weight: 500;
            color: var(--color-text-secondary);
            border-radius: 8px;
            transition: all var(--transition-fast);
            border-bottom: 1px solid rgba(201, 169, 110, 0.1);
        }
        .mobile-menu__link:hover,
        .mobile-menu__link.active {
            color: var(--color-accent);
            background: var(--color-accent-soft);
        }
        .mobile-menu__actions {
            margin-top: 20px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 13px;
            color: var(--color-text-muted);
            margin-bottom: 16px;
        }
        .breadcrumb a {
            color: var(--color-text-secondary);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--color-accent);
        }
        .breadcrumb .separator {
            color: var(--color-text-muted);
            font-size: 12px;
            user-select: none;
        }
        .breadcrumb .current {
            color: var(--color-accent);
            font-weight: 500;
        }

        /* Category Page Hero */
        .cat-hero {
            padding: 36px 0 32px;
            background: var(--color-card);
            border-bottom: 1px solid var(--color-border);
        }
        .cat-hero__inner {
            max-width: 820px;
        }
        .cat-hero__title {
            font-family: var(--font-display);
            font-size: 34px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-text);
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }
        .cat-hero__desc {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.9;
            max-width: 720px;
            margin-top: 8px;
        }

        /* Toolbar */
        .toolbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            padding: 16px 20px;
            background: var(--color-panel);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            margin-bottom: 32px;
        }
        .toolbar__filters {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
        }
        .toolbar__filter-btn {
            padding: 7px 16px;
            font-size: 13px;
            font-weight: 500;
            color: var(--color-text-secondary);
            border-radius: 999px;
            border: 1px solid transparent;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .toolbar__filter-btn:hover {
            color: var(--color-accent);
            background: var(--color-accent-soft);
            border-color: var(--color-border);
        }
        .toolbar__filter-btn.active {
            color: var(--color-accent);
            background: var(--color-accent-soft);
            border-color: var(--color-border-strong);
            font-weight: 600;
        }
        .toolbar__info {
            font-size: 13px;
            color: var(--color-text-muted);
            white-space: nowrap;
        }

        /* News List */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .news-item {
            display: flex;
            gap: 20px;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 18px;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-card);
        }
        .news-item:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
            border-color: var(--color-border-strong);
        }
        .news-item__thumb {
            flex-shrink: 0;
            width: 180px;
            height: 110px;
            border-radius: 8px;
            overflow: hidden;
            border: 1px solid var(--color-border);
            background: var(--color-panel);
        }
        .news-item__thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-base);
        }
        .news-item:hover .news-item__thumb img {
            transform: scale(1.03);
        }
        .news-item__body {
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .news-item__meta {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }
        .news-item__title {
            font-family: var(--font-display);
            font-size: 17px;
            font-weight: 700;
            line-height: 1.5;
            color: var(--color-text);
            transition: color var(--transition-fast);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-item__title:hover {
            color: var(--color-accent);
        }
        .news-item__excerpt {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.75;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-item__date {
            font-size: 12px;
            color: var(--color-text-muted);
            font-family: var(--font-mono);
            white-space: nowrap;
        }

        /* Load More */
        .load-more {
            display: flex;
            justify-content: center;
            padding: 16px 0 8px;
        }
        .load-more .btn {
            min-width: 180px;
        }

        /* Hot Recommend */
        .hot-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .hot-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
        }
        .hot-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--color-border-strong);
        }
        .hot-card__img {
            width: 100%;
            aspect-ratio: 16/10;
            overflow: hidden;
            border-bottom: 1px solid var(--color-border);
            background: var(--color-panel);
        }
        .hot-card__img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-base);
        }
        .hot-card:hover .hot-card__img img {
            transform: scale(1.05);
        }
        .hot-card__body {
            padding: 16px 18px;
            display: flex;
            flex-direction: column;
            gap: 6px;
            flex: 1;
        }
        .hot-card__title {
            font-family: var(--font-display);
            font-size: 15px;
            font-weight: 700;
            line-height: 1.5;
            color: var(--color-text);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .hot-card__excerpt {
            font-size: 12px;
            color: var(--color-text-secondary);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .hot-card__footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: auto;
            padding-top: 8px;
            border-top: 1px solid rgba(201, 169, 110, 0.1);
        }
        .hot-card__date {
            font-size: 11px;
            color: var(--color-text-muted);
            font-family: var(--font-mono);
        }
        .hot-card__badge {
            font-size: 11px;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 820px;
        }
        .faq-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--color-border-strong);
        }
        .faq-item__question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 20px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            transition: background var(--transition-fast);
            width: 100%;
            text-align: left;
            background: transparent;
            border: none;
            font-family: var(--font-body);
        }
        .faq-item__question:hover {
            background: var(--color-accent-soft);
        }
        .faq-item__icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-size: 18px;
            transition: transform var(--transition-fast);
            user-select: none;
        }
        .faq-item.open .faq-item__icon {
            transform: rotate(45deg);
        }
        .faq-item__answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base), padding var(--transition-base);
            padding: 0 20px;
            color: var(--color-text-secondary);
            font-size: 14px;
            line-height: 1.85;
        }
        .faq-item.open .faq-item__answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }

        /* Subscribe CTA */
        .subscribe-box {
            background: var(--color-panel);
            border: 1px solid var(--color-border-strong);
            border-radius: var(--radius-card);
            padding: 32px 36px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            box-shadow: var(--shadow-card);
        }
        .subscribe-box__title {
            font-family: var(--font-display);
            font-size: 20px;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.5;
        }
        .subscribe-box__desc {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            max-width: 520px;
        }
        .subscribe-box__form {
            display: flex;
            gap: 10px;
            align-items: center;
            flex-wrap: wrap;
        }
        .subscribe-box__input {
            width: 260px;
            height: 44px;
            padding: 0 16px;
            border-radius: var(--radius-btn);
            border: 1px solid var(--color-border);
            background: var(--color-card);
            color: var(--color-text);
            font-size: 14px;
            transition: border-color var(--transition-fast);
        }
        .subscribe-box__input:focus {
            border-color: var(--color-accent);
        }
        .subscribe-box__input::placeholder {
            color: var(--color-text-muted);
        }

        /* Footer */
        .footer {
            background: var(--color-primary);
            border-top: 1px solid var(--color-border);
            padding: 48px 0 24px;
            margin-top: 0;
        }
        .footer__grid {
            display: grid;
            grid-template-columns: 2fr 1.2fr 1.2fr 1.2fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer__brand {
            font-family: var(--font-display);
            font-size: 22px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
            letter-spacing: 0.04em;
        }
        .footer__brand-desc {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            max-width: 300px;
        }
        .footer__col-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }
        .footer__links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer__links a {
            font-size: 13px;
            color: var(--color-text-secondary);
            transition: color var(--transition-fast);
        }
        .footer__links a:hover {
            color: var(--color-accent);
        }
        .footer__bottom {
            border-top: 1px solid rgba(201, 169, 110, 0.15);
            padding-top: 20px;
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12px;
            color: var(--color-text-muted);
        }
        .footer__bottom-links {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-left: auto;
        }
        .footer__bottom-links a {
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }
        .footer__bottom-links a:hover {
            color: var(--color-accent);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .header .container {
                gap: 12px;
            }
            .header__nav {
                display: none;
            }
            .header__actions .btn--secondary {
                display: none;
            }
            .header__hamburger {
                display: flex;
            }
            .hot-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer__grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .cat-hero__title {
                font-size: 28px;
            }
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
            .section {
                padding: 40px 0;
            }
            .section__title {
                font-size: 22px;
            }
            .cat-hero {
                padding: 28px 0 24px;
            }
            .cat-hero__title {
                font-size: 24px;
            }
            .cat-hero__desc {
                font-size: 14px;
            }
            .news-item {
                flex-direction: column;
                gap: 14px;
                padding: 14px;
            }
            .news-item__thumb {
                width: 100%;
                height: 160px;
            }
            .news-item__title {
                font-size: 15px;
            }
            .news-item__excerpt {
                font-size: 13px;
            }
            .toolbar {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
                padding: 14px 16px;
            }
            .hot-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .subscribe-box {
                padding: 24px;
                flex-direction: column;
                align-items: flex-start;
            }
            .subscribe-box__form {
                width: 100%;
            }
            .subscribe-box__input {
                width: 100%;
                flex: 1;
            }
            .footer__grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer__bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .footer__bottom-links {
                margin-left: 0;
            }
            .subscribe-box__form .btn {
                width: 100%;
            }
            .header__logo-text {
                font-size: 18px;
            }
            .header__actions .btn--primary {
                display: none;
            }
        }
        @media (max-width: 520px) {
            .section__title {
                font-size: 20px;
            }
            .cat-hero__title {
                font-size: 21px;
            }
            .news-item__thumb {
                height: 130px;
            }
            .toolbar__filter-btn {
                padding: 6px 12px;
                font-size: 12px;
            }
            .hot-card__body {
                padding: 12px 14px;
            }
            .breadcrumb {
                font-size: 12px;
            }
            .faq-item__question {
                font-size: 14px;
                padding: 14px 16px;
            }
            .faq-item__answer {
                font-size: 13px;
            }
        }

/* roulang page: category5 */
:root {
  --color-primary: #0E2A23;
  --color-primary-light: #164336;
  --color-accent: #C9A96E;
  --color-accent-soft: rgba(201, 169, 110, 0.15);
  --color-highlight: #4ADE80;
  --color-bg: #0A1A16;
  --color-card: #0F211C;
  --color-panel: #142A23;
  --color-text: #F5F0E4;
  --color-text-secondary: #A8B5AE;
  --color-text-muted: #7A8982;
  --color-border: rgba(201, 169, 110, 0.25);
  --color-border-strong: rgba(201, 169, 110, 0.45);
  --radius-card: 12px;
  --radius-btn: 8px;
  --radius-small: 6px;
  --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-hover: 0 12px 36px rgba(0, 0, 0, 0.5);
  --font-display: 'Noto Serif SC', 'Source Han Serif SC', 'SimSun', 'Songti SC', serif;
  --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  --transition-fast: 0.2s ease;
  --transition-base: 0.35s ease;
  --container-max: 1200px;
  --section-gap: 56px;
  --header-height: 72px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.85;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-accent);
}

button {
  font-family: var(--font-body);
  cursor: pointer;
  border: none;
  outline: none;
}

input,
select,
textarea {
  font-family: var(--font-body);
  outline: none;
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: var(--section-gap) 0;
}

.section--alt {
  background-color: var(--color-card);
  border-top: 1px solid rgba(201, 169, 110, 0.12);
  border-bottom: 1px solid rgba(201, 169, 110, 0.12);
}

.section__header {
  margin-bottom: 36px;
  max-width: 720px;
}

.section__title {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--color-text);
  margin-bottom: 12px;
  letter-spacing: 0.01em;
}

.section__subtitle {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.9;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 14px;
  font-size: 12px;
  font-weight: 500;
  border-radius: 999px;
  color: var(--color-accent);
  background: var(--color-accent-soft);
  border: 1px solid rgba(201, 169, 110, 0.3);
  letter-spacing: 0.03em;
}

/* Header / Navigation */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(10, 26, 22, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  height: var(--header-height);
  display: flex;
  align-items: center;
  transition: box-shadow var(--transition-base);
}

.header.scrolled {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: 100%;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.header__logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border-strong);
  color: var(--color-accent);
  font-size: 18px;
  line-height: 1;
  flex-shrink: 0;
}

.header__logo-icon svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
}

.header__logo-text {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
}

.header__nav-link {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-secondary);
  border-radius: 6px;
  position: relative;
  transition: color var(--transition-fast);
  white-space: nowrap;
}

.header__nav-link::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--color-accent);
  border-radius: 2px;
  transition: width var(--transition-base);
}

.header__nav-link:hover {
  color: var(--color-accent);
}

.header__nav-link:hover::after {
  width: 60%;
}

.header__nav-link.active {
  color: var(--color-accent);
}

.header__nav-link.active::after {
  width: 60%;
}

.header__actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 22px;
  height: 42px;
  border-radius: var(--radius-btn);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: all var(--transition-fast);
  white-space: nowrap;
  text-decoration: none;
  cursor: pointer;
}

.btn--primary {
  background: var(--color-primary-light);
  color: var(--color-accent);
  border: 1px solid var(--color-border-strong);
}

.btn--primary:hover {
  background: #1a4f3e;
  color: #e0c895;
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

.btn--outline {
  background: transparent;
  color: var(--color-accent);
  border: 1px solid var(--color-border-strong);
}

.btn--outline:hover {
  background: rgba(201, 169, 110, 0.08);
  color: #e0c895;
  transform: translateY(-2px);
}

.btn--sm {
  height: 36px;
  padding: 0 16px;
  font-size: 13px;
}

.btn:focus-visible,
.header__nav-link:focus-visible {
  outline: 2px solid var(--color-highlight);
  outline-offset: 2px;
}

/* Mobile menu toggle */
.header__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  padding: 6px;
  border-radius: 4px;
  border: 1px solid var(--color-border);
}

.header__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-accent);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 12px;
}

.breadcrumb a {
  color: var(--color-text-secondary);
}

.breadcrumb a:hover {
  color: var(--color-accent);
}

.breadcrumb__sep {
  color: var(--color-text-muted);
  font-size: 12px;
}

/* Category header */
.category-header {
  padding: 36px 0 28px;
  border-bottom: 1px solid rgba(201, 169, 110, 0.12);
}

.category-header h1 {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--color-text);
  letter-spacing: 0.02em;
}

.category-header__meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 10px;
  font-size: 13px;
  color: var(--color-text-muted);
}

.category-header__meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* Category intro */
.category-intro {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.9;
  max-width: 800px;
}

/* Toolbar */
.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  padding: 16px 20px;
  background: var(--color-panel);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  margin-bottom: 28px;
}

.toolbar__group {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.toolbar__label {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-right: 4px;
}

.toolbar__btn {
  padding: 6px 16px;
  font-size: 13px;
  border-radius: 999px;
  background: transparent;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.toolbar__btn:hover {
  color: var(--color-accent);
  border-color: var(--color-border-strong);
}

.toolbar__btn.active {
  background: var(--color-accent-soft);
  color: var(--color-accent);
  border-color: var(--color-border-strong);
}

.toolbar__select {
  padding: 6px 32px 6px 14px;
  font-size: 13px;
  border-radius: 6px;
  background: var(--color-card);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23C9A96E' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  cursor: pointer;
}

.toolbar__select:focus {
  border-color: var(--color-accent);
}

/* Topic list */
.topic-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.topic-item {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 20px 24px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-bottom: none;
  transition: all var(--transition-fast);
  position: relative;
}

.topic-item:first-child {
  border-radius: var(--radius-card) var(--radius-card) 0 0;
}

.topic-item:last-child {
  border-bottom: 1px solid var(--color-border);
  border-radius: 0 0 var(--radius-card) var(--radius-card);
}

.topic-item:hover {
  background: var(--color-panel);
  border-color: var(--color-border-strong);
  z-index: 1;
}

.topic-item:hover + .topic-item {
  border-top-color: var(--color-border-strong);
}

.topic-item__avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--color-primary-light);
  border: 1px solid var(--color-border-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  color: var(--color-accent);
  flex-shrink: 0;
  font-family: var(--font-display);
}

.topic-item__main {
  flex: 1;
  min-width: 0;
}

.topic-item__title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.5;
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.topic-item__title a {
  color: inherit;
}

.topic-item__title a:hover {
  color: var(--color-accent);
}

.topic-item__excerpt {
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 6px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.topic-item__meta {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 12px;
  color: var(--color-text-muted);
  flex-wrap: wrap;
}

.topic-item__meta span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.topic-item__stats {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
  min-width: 70px;
}

.topic-item__replies {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-accent);
  font-family: var(--font-mono);
}

.topic-item__replies-label {
  font-size: 11px;
  color: var(--color-text-muted);
}

.heat-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 10px;
  font-size: 11px;
  font-weight: 600;
  border-radius: 999px;
  background: rgba(74, 222, 128, 0.12);
  color: var(--color-highlight);
  border: 1px solid rgba(74, 222, 128, 0.3);
  letter-spacing: 0.02em;
}

.heat-badge--hot {
  background: rgba(201, 169, 110, 0.15);
  color: var(--color-accent);
  border-color: rgba(201, 169, 110, 0.4);
}

.topic-tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  font-size: 11px;
  border-radius: 4px;
  background: var(--color-accent-soft);
  color: var(--color-accent);
  border: 1px solid rgba(201, 169, 110, 0.25);
}

.topic-tag--green {
  background: rgba(74, 222, 128, 0.1);
  color: var(--color-highlight);
  border-color: rgba(74, 222, 128, 0.25);
}

/* Load more */
.load-more {
  display: flex;
  justify-content: center;
  margin-top: 28px;
}

.btn--load-more {
  padding: 0 32px;
  height: 44px;
  border-radius: var(--radius-btn);
  background: transparent;
  color: var(--color-accent);
  border: 1px dashed var(--color-border-strong);
  font-size: 14px;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.btn--load-more:hover {
  background: var(--color-accent-soft);
  border-style: solid;
  transform: translateY(-2px);
}

/* Featured section */
.featured-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.featured-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-card);
}

.featured-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--color-border-strong);
}

.featured-card__img {
  width: 100%;
  height: 160px;
  object-fit: cover;
}

.featured-card__body {
  padding: 18px 20px;
}

.featured-card__title {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.5;
  margin-bottom: 8px;
}

.featured-card__desc {
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.featured-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 14px;
  font-size: 12px;
  color: var(--color-text-muted);
}

/* FAQ */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 820px;
}

.faq-item {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: all var(--transition-fast);
}

.faq-item:hover {
  border-color: var(--color-border-strong);
}

.faq-item__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 24px;
  cursor: pointer;
  background: transparent;
  width: 100%;
  text-align: left;
  color: var(--color-text);
  font-size: 15px;
  font-weight: 600;
  transition: color var(--transition-fast);
}

.faq-item__question:hover {
  color: var(--color-accent);
}

.faq-item__icon {
  flex-shrink: 0;
  font-size: 18px;
  color: var(--color-accent);
  transition: transform var(--transition-fast);
  user-select: none;
}

.faq-item.open .faq-item__icon {
  transform: rotate(45deg);
}

.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base), padding var(--transition-base);
  padding: 0 24px;
}

.faq-item.open .faq-item__answer {
  max-height: 300px;
  padding: 0 24px 20px;
}

.faq-item__answer p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.9;
}

/* Subscribe CTA */
.subscribe-cta {
  background: var(--color-primary);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-card);
  padding: 36px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  flex-wrap: wrap;
  box-shadow: var(--shadow-card);
}

.subscribe-cta__text h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 6px;
  letter-spacing: 0.02em;
}

.subscribe-cta__text p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.subscribe-cta__form {
  display: flex;
  gap: 10px;
  flex: 1;
  max-width: 420px;
  min-width: 280px;
}

.subscribe-cta__input {
  flex: 1;
  padding: 0 18px;
  height: 44px;
  border-radius: var(--radius-btn);
  background: var(--color-card);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  font-size: 14px;
  transition: border-color var(--transition-fast);
}

.subscribe-cta__input::placeholder {
  color: var(--color-text-muted);
}

.subscribe-cta__input:focus {
  border-color: var(--color-accent);
}

/* Footer */
.footer {
  background: #081410;
  border-top: 1px solid var(--color-border);
  padding: 48px 0 0;
  margin-top: var(--section-gap);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 36px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(201, 169, 110, 0.12);
}

.footer__brand {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 10px;
  letter-spacing: 0.04em;
}

.footer__brand-desc {
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.8;
  max-width: 320px;
}

.footer__col-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 16px;
  letter-spacing: 0.03em;
}

.footer__links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__links a {
  font-size: 13px;
  color: var(--color-text-muted);
}

.footer__links a:hover {
  color: var(--color-accent);
}

.footer__bottom {
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 12px;
  color: var(--color-text-muted);
}

.footer__bottom-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer__bottom-links a {
  color: var(--color-text-muted);
}

.footer__bottom-links a:hover {
  color: var(--color-accent);
}

/* Responsive */
@media (max-width: 1024px) {
  .header__nav {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(10, 26, 22, 0.98);
    border-bottom: 1px solid var(--color-border);
    padding: 16px 24px;
    gap: 8px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
  }

  .header__nav.open {
    display: flex;
  }

  .header__nav-link {
    padding: 12px 16px;
    width: 100%;
    justify-content: center;
  }

  .header__nav-link::after {
    display: none;
  }

  .header__toggle {
    display: flex;
  }

  .header__actions .btn--outline {
    display: none;
  }

  .featured-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --section-gap: 40px;
    --header-height: 60px;
  }

  .category-header h1 {
    font-size: 26px;
  }

  .section__title {
    font-size: 22px;
  }

  .toolbar {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .topic-item {
    flex-direction: column;
    gap: 12px;
    padding: 16px 18px;
  }

  .topic-item__stats {
    flex-direction: row;
    align-items: center;
    gap: 10px;
    min-width: auto;
  }

  .featured-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .subscribe-cta {
    flex-direction: column;
    align-items: flex-start;
    padding: 24px;
  }

  .subscribe-cta__form {
    max-width: 100%;
    width: 100%;
  }

  .footer__bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }

  .header__actions .btn--primary {
    padding: 0 14px;
    font-size: 12px;
    height: 36px;
  }

  .header__logo-text {
    font-size: 18px;
  }

  .category-header h1 {
    font-size: 22px;
  }

  .topic-item__title {
    font-size: 14px;
  }

  .feedback-grid {
    grid-template-columns: 1fr;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

/* roulang page: category4 */
:root {
            --color-primary: #0E2A23;
            --color-primary-light: #164336;
            --color-accent: #C9A96E;
            --color-accent-soft: rgba(201, 169, 110, 0.15);
            --color-highlight: #4ADE80;
            --color-bg: #0A1A16;
            --color-card: #0F211C;
            --color-panel: #142A23;
            --color-text: #F5F0E4;
            --color-text-secondary: #A8B5AE;
            --color-text-muted: #7A8982;
            --color-border: rgba(201, 169, 110, 0.25);
            --color-border-strong: rgba(201, 169, 110, 0.45);
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-small: 6px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 12px 36px rgba(0, 0, 0, 0.5);
            --font-display: 'Noto Serif SC', 'Source Han Serif SC', 'SimSun', 'Songti SC', serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', sans-serif;
            --font-mono: 'SF Mono', 'Fira Code', 'Consolas', monospace;
            --transition-fast: 0.2s ease;
            --transition-base: 0.35s ease;
            --container-max: 1200px;
            --section-gap: 48px;
            --header-height: 60px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-body);
            font-size: 15px;
            line-height: 1.85;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--color-accent);
        }

        button {
            font-family: var(--font-body);
            cursor: pointer;
            border: none;
            outline: none;
        }

        input,
        select,
        textarea {
            font-family: var(--font-body);
            outline: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        .section {
            padding: var(--section-gap) 0;
        }

        .section--alt {
            background-color: var(--color-card);
            border-top: 1px solid rgba(201, 169, 110, 0.12);
            border-bottom: 1px solid rgba(201, 169, 110, 0.12);
        }

        .section__header {
            margin-bottom: 32px;
            max-width: 720px;
        }

        .section__title {
            font-family: var(--font-display);
            font-size: 24px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--color-text);
            margin-bottom: 10px;
            letter-spacing: 0.01em;
        }

        .section__subtitle {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.9;
        }

        .section__action {
            margin-top: 28px;
        }

        .tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 14px;
            font-size: 12px;
            font-weight: 500;
            border-radius: 999px;
            color: var(--color-accent);
            background: var(--color-accent-soft);
            border: 1px solid rgba(201, 169, 110, 0.3);
            letter-spacing: 0.03em;
        }

        /* Header / Navigation */
        .header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 26, 22, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border);
            height: var(--header-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition-base);
        }

        .header.scrolled {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
        }

        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            width: 100%;
        }

        .header__logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .header__logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: var(--color-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--color-border-strong);
            color: var(--color-accent);
            font-size: 18px;
            line-height: 1;
        }

        .header__logo-text {
            font-family: var(--font-display);
            font-size: 20px;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: 0.04em;
            white-space: nowrap;
        }

        .header__nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
            flex-wrap: wrap;
        }

        .header__nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 12px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-secondary);
            border-radius: 6px;
            transition: color var(--transition-fast), background var(--transition-fast);
            white-space: nowrap;
        }

        .header__nav-link:hover {
            color: var(--color-accent);
            background: var(--color-accent-soft);
        }

        .header__nav-link.active {
            color: var(--color-accent);
            border-bottom: 2px solid var(--color-accent);
            border-radius: 0;
        }

        .header__actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 20px;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            transition: all var(--transition-fast);
            min-height: 40px;
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .btn--primary {
            background: var(--color-primary);
            color: var(--color-accent);
            border: 1px solid var(--color-border-strong);
        }

        .btn--primary:hover {
            background: var(--color-primary-light);
            color: var(--color-accent);
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
        }

        .btn--outline {
            background: transparent;
            color: var(--color-accent);
            border: 1px solid var(--color-border-strong);
        }

        .btn--outline:hover {
            background: var(--color-accent-soft);
            color: var(--color-accent);
            transform: translateY(-1px);
        }

        .btn--sm {
            padding: 6px 14px;
            font-size: 13px;
            min-height: 32px;
        }

        .btn--lg {
            padding: 12px 28px;
            font-size: 16px;
            min-height: 48px;
            border-radius: 10px;
        }

        .btn:focus-visible {
            outline: 2px solid var(--color-highlight);
            outline-offset: 2px;
        }

        .header__hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            padding: 6px;
            cursor: pointer;
        }

        .header__hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        /* Mobile nav */
        .mobile-nav {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            background: rgba(10, 26, 22, 0.98);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border);
            z-index: 999;
            padding: 16px 24px 24px;
            flex-direction: column;
            gap: 4px;
        }

        .mobile-nav.open {
            display: flex;
        }

        .mobile-nav a {
            padding: 12px 16px;
            font-size: 15px;
            color: var(--color-text-secondary);
            border-radius: 8px;
            transition: all var(--transition-fast);
        }

        .mobile-nav a:hover,
        .mobile-nav a.active {
            color: var(--color-accent);
            background: var(--color-accent-soft);
        }

        .mobile-nav .btn {
            margin-top: 8px;
            width: 100%;
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--color-text-muted);
            margin-bottom: 12px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--color-text-secondary);
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: var(--color-accent);
        }

        .breadcrumb__sep {
            color: var(--color-border-strong);
        }

        .breadcrumb__current {
            color: var(--color-accent);
        }

        /* Page title area */
        .page-title-area {
            background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-bg) 100%);
            border-bottom: 1px solid var(--color-border);
            padding: 40px 0 28px;
        }

        .page-title-area h1 {
            font-family: var(--font-display);
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-text);
            letter-spacing: 0.02em;
        }

        .page-title-area .page-title-desc {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.9;
            max-width: 680px;
            margin-top: 8px;
        }

        /* Toolbar */
        .toolbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding: 16px 0;
            border-bottom: 1px solid var(--color-border);
            margin-bottom: 24px;
        }

        .toolbar__filters {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .toolbar__filter-btn {
            padding: 6px 16px;
            font-size: 13px;
            font-weight: 500;
            border-radius: 999px;
            background: transparent;
            color: var(--color-text-secondary);
            border: 1px solid var(--color-border);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .toolbar__filter-btn:hover {
            color: var(--color-accent);
            border-color: var(--color-border-strong);
        }

        .toolbar__filter-btn.active {
            background: var(--color-accent-soft);
            color: var(--color-accent);
            border-color: var(--color-border-strong);
        }

        .toolbar__sort {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .toolbar__sort-label {
            font-size: 13px;
            color: var(--color-text-muted);
        }

        .toolbar__sort-select {
            background: var(--color-panel);
            color: var(--color-text-secondary);
            border: 1px solid var(--color-border);
            border-radius: 6px;
            padding: 6px 12px;
            font-size: 13px;
            cursor: pointer;
            transition: border-color var(--transition-fast);
        }

        .toolbar__sort-select:focus {
            border-color: var(--color-border-strong);
        }

        /* Timeline + Events */
        .events-timeline {
            position: relative;
            padding-left: 32px;
        }

        .events-timeline::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(to bottom, var(--color-border-strong), var(--color-border), transparent);
            border-radius: 2px;
        }

        .timeline-item {
            position: relative;
            margin-bottom: 24px;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -28px;
            top: 24px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--color-accent);
            border: 2px solid var(--color-bg);
            box-shadow: 0 0 0 2px var(--color-border-strong);
        }

        .timeline-item--upcoming::before {
            background: var(--color-primary-light);
            box-shadow: 0 0 0 2px var(--color-border);
        }

        .timeline-item--ended::before {
            background: var(--color-text-muted);
            box-shadow: 0 0 0 2px rgba(122, 137, 130, 0.4);
        }

        .event-card {
            display: flex;
            gap: 16px;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 20px;
            transition: all var(--transition-base);
            flex-wrap: wrap;
        }

        .event-card:hover {
            border-color: var(--color-border-strong);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .event-card__thumb {
            width: 160px;
            height: 100px;
            border-radius: 8px;
            overflow: hidden;
            flex-shrink: 0;
            background: var(--color-panel);
            border: 1px solid var(--color-border);
        }

        .event-card__thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .event-card__body {
            flex: 1;
            min-width: 200px;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .event-card__title {
            font-family: var(--font-display);
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.4;
        }

        .event-card__time {
            font-size: 13px;
            color: var(--color-text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .event-card__time svg {
            flex-shrink: 0;
        }

        .event-card__tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .event-card__tag {
            display: inline-flex;
            align-items: center;
            padding: 3px 10px;
            font-size: 11px;
            font-weight: 600;
            border-radius: 4px;
            letter-spacing: 0.02em;
        }

        .event-card__tag--reward {
            background: rgba(74, 222, 128, 0.15);
            color: var(--color-highlight);
            border: 1px solid rgba(74, 222, 128, 0.3);
        }

        .event-card__tag--hot {
            background: rgba(201, 169, 110, 0.15);
            color: var(--color-accent);
            border: 1px solid var(--color-border-strong);
        }

        .event-card__actions {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-top: 4px;
        }

        .event-card__participants {
            font-size: 12px;
            color: var(--color-text-muted);
        }

        /* Load more */
        .load-more {
            text-align: center;
            padding: 12px 0;
        }

        .load-more a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 28px;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-accent);
            border: 1px solid var(--color-border-strong);
            border-radius: var(--radius-btn);
            transition: all var(--transition-fast);
        }

        .load-more a:hover {
            background: var(--color-accent-soft);
            color: var(--color-accent);
            transform: translateY(-1px);
        }

        /* Featured / Recommended */
        .featured-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 20px;
        }

        .featured-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
        }

        .featured-card:hover {
            border-color: var(--color-border-strong);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .featured-card__thumb {
            height: 160px;
            overflow: hidden;
            background: var(--color-panel);
            border-bottom: 1px solid var(--color-border);
        }

        .featured-card__thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .featured-card__body {
            padding: 16px 20px;
        }

        .featured-card__title {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 6px;
            line-height: 1.45;
        }

        .featured-card__desc {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .featured-card__meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 12px;
            font-size: 12px;
            color: var(--color-text-muted);
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: border-color var(--transition-fast);
        }

        .faq-item:hover {
            border-color: var(--color-border-strong);
        }

        .faq-item__question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            cursor: pointer;
            user-select: none;
            transition: color var(--transition-fast);
        }

        .faq-item__question:hover {
            color: var(--color-accent);
        }

        .faq-item__icon {
            flex-shrink: 0;
            width: 20px;
            height: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            transition: transform var(--transition-fast);
        }

        .faq-item.open .faq-item__icon {
            transform: rotate(45deg);
        }

        .faq-item__answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base), padding var(--transition-base);
            padding: 0 20px;
            color: var(--color-text-secondary);
            font-size: 14px;
            line-height: 1.9;
        }

        .faq-item.open .faq-item__answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }

        /* Subscribe */
        .subscribe-section {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-bg) 100%);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
            padding: 48px 0;
        }

        .subscribe-box {
            max-width: 560px;
            margin: 0 auto;
            text-align: center;
        }

        .subscribe-box__title {
            font-family: var(--font-display);
            font-size: 24px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
        }

        .subscribe-box__desc {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .subscribe-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .subscribe-form input {
            flex: 1;
            min-width: 220px;
            padding: 10px 16px;
            font-size: 14px;
            border-radius: var(--radius-btn);
            background: var(--color-bg);
            color: var(--color-text);
            border: 1px solid var(--color-border);
            transition: border-color var(--transition-fast);
        }

        .subscribe-form input:focus {
            border-color: var(--color-border-strong);
        }

        .subscribe-form .btn {
            flex-shrink: 0;
        }

        /* Footer */
        .footer {
            background: var(--color-primary);
            border-top: 1px solid var(--color-border);
            padding: 48px 0 24px;
        }

        .footer__grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer__brand {
            font-family: var(--font-display);
            font-size: 22px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 12px;
        }

        .footer__brand-desc {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            max-width: 260px;
        }

        .footer__col-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 16px;
        }

        .footer__links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer__links a {
            font-size: 13px;
            color: var(--color-text-secondary);
            transition: color var(--transition-fast);
        }

        .footer__links a:hover {
            color: var(--color-accent);
        }

        .footer__bottom {
            border-top: 1px solid rgba(201, 169, 110, 0.15);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12px;
            color: var(--color-text-muted);
        }

        .footer__bottom-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer__bottom-links a {
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }

        .footer__bottom-links a:hover {
            color: var(--color-accent);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .header__nav {
                gap: 2px;
            }
            .header__nav-link {
                padding: 8px 8px;
                font-size: 13px;
            }
            .header .container {
                gap: 12px;
            }
            .footer__grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .event-card__thumb {
                width: 120px;
                height: 82px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-gap: 40px;
                --header-height: 56px;
            }
            .header .container {
                gap: 8px;
            }
            .header__nav {
                display: none;
            }
            .header__actions {
                display: none;
            }
            .header__hamburger {
                display: flex;
            }
            .page-title-area {
                padding: 28px 0 20px;
            }
            .page-title-area h1 {
                font-size: 26px;
            }
            .events-timeline {
                padding-left: 24px;
            }
            .timeline-item::before {
                left: -22px;
                top: 20px;
            }
            .event-card {
                padding: 16px;
                gap: 12px;
            }
            .event-card__thumb {
                width: 100%;
                height: 150px;
            }
            .featured-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .toolbar {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .footer__grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer__bottom {
                flex-direction: column;
                align-items: flex-start;
                text-align: left;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .page-title-area h1 {
                font-size: 22px;
            }
            .section__title {
                font-size: 20px;
            }
            .event-card__actions {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .featured-grid {
                grid-template-columns: 1fr;
            }
            .subscribe-form input {
                min-width: 100%;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .subscribe-form .btn {
                width: 100%;
            }
        }

/* roulang page: category6 */
:root {
  --color-primary: #0E2A23;
  --color-primary-light: #164336;
  --color-accent: #C9A96E;
  --color-accent-soft: rgba(201, 169, 110, 0.15);
  --color-highlight: #4ADE80;
  --color-bg: #0A1A16;
  --color-card: #0F211C;
  --color-panel: #142A23;
  --color-text: #F5F0E4;
  --color-text-secondary: #A8B5AE;
  --color-text-muted: #7A8982;
  --color-border: rgba(201, 169, 110, 0.25);
  --color-border-strong: rgba(201, 169, 110, 0.45);
  --radius-card: 12px;
  --radius-btn: 8px;
  --radius-small: 6px;
  --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-hover: 0 12px 36px rgba(0, 0, 0, 0.5);
  --font-display: 'Noto Serif SC', 'Source Han Serif SC', 'SimSun', 'Songti SC', serif;
  --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  --transition-fast: 0.2s ease;
  --transition-base: 0.35s ease;
  --container-max: 1200px;
  --section-gap: 48px;
  --header-height: 60px;
}
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.85;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover {
  color: var(--color-accent);
}
button {
  font-family: var(--font-body);
  cursor: pointer;
  border: none;
  outline: none;
}
input,
select,
textarea {
  font-family: var(--font-body);
  outline: none;
}
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}
.section {
  padding: var(--section-gap) 0;
}
.section--alt {
  background-color: var(--color-card);
  border-top: 1px solid rgba(201, 169, 110, 0.12);
  border-bottom: 1px solid rgba(201, 169, 110, 0.12);
}
.section__header {
  margin-bottom: 32px;
  max-width: 720px;
}
.section__title {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--color-text);
  margin-bottom: 10px;
  letter-spacing: 0.01em;
}
.section__subtitle {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.9;
}
.tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 14px;
  font-size: 12px;
  font-weight: 500;
  border-radius: 999px;
  color: var(--color-accent);
  background: var(--color-accent-soft);
  border: 1px solid rgba(201, 169, 110, 0.3);
  letter-spacing: 0.03em;
}
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(10, 26, 22, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  height: var(--header-height);
  display: flex;
  align-items: center;
  transition: box-shadow var(--transition-base);
}
.header.scrolled {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}
.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: 100%;
}
.header__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.header__logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border-strong);
  color: var(--color-accent);
  font-size: 18px;
  line-height: 1;
}
.header__logo-text {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: 0.04em;
  white-space: nowrap;
}
.header__nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
  flex-wrap: wrap;
}
.header__nav-link {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-secondary);
  border-radius: 6px;
  position: relative;
  transition: color var(--transition-fast);
}
.header__nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition-fast);
}
.header__nav-link:hover,
.header__nav-link.active {
  color: var(--color-text);
}
.header__nav-link:hover::after,
.header__nav-link.active::after {
  width: 70%;
}
.header__actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-btn);
  transition: all var(--transition-fast);
  line-height: 1.4;
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-primary);
  color: var(--color-accent);
  border: 1px solid var(--color-border-strong);
}
.btn-primary:hover {
  background: var(--color-primary-light);
  color: var(--color-accent);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
  transform: translateY(-1px);
}
.btn-outline {
  background: transparent;
  color: var(--color-accent);
  border: 1px solid var(--color-border);
}
.btn-outline:hover {
  background: rgba(201, 169, 110, 0.08);
  color: var(--color-accent);
  border-color: var(--color-border-strong);
  transform: translateY(-1px);
}
.btn-sm {
  padding: 7px 14px;
  font-size: 13px;
}
.btn-lg {
  padding: 12px 28px;
  font-size: 16px;
}
.header__menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-accent);
  font-size: 24px;
  line-height: 1;
  padding: 6px;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.breadcrumb a {
  color: var(--color-text-secondary);
}
.breadcrumb a:hover {
  color: var(--color-accent);
}
.breadcrumb__sep {
  color: var(--color-text-muted);
}
.page-header {
  padding: 28px 0 20px;
  border-bottom: 1px solid rgba(201, 169, 110, 0.15);
  background: linear-gradient(180deg, var(--color-card) 0%, var(--color-bg) 100%);
}
.page-header__title {
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.3;
  margin-bottom: 10px;
}
.page-header__intro {
  font-size: 15px;
  color: var(--color-text-secondary);
  max-width: 780px;
  line-height: 1.9;
}
.filter-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 16px 0;
  margin-bottom: 20px;
  border-bottom: 1px solid rgba(201, 169, 110, 0.12);
}
.filter-bar__chips {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.filter-chip {
  display: inline-flex;
  align-items: center;
  padding: 6px 16px;
  font-size: 13px;
  font-weight: 500;
  border-radius: 999px;
  background: transparent;
  color: var(--color-text-secondary);
  border: 1px solid rgba(201, 169, 110, 0.2);
  transition: all var(--transition-fast);
}
.filter-chip:hover {
  border-color: var(--color-border-strong);
  color: var(--color-accent);
}
.filter-chip.active {
  background: var(--color-accent-soft);
  border-color: var(--color-border-strong);
  color: var(--color-accent);
}
.filter-bar__sort {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--color-text-secondary);
}
.filter-bar__sort select {
  background: var(--color-card);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-small);
  padding: 6px 12px;
  font-size: 13px;
}
.help-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 24px;
}
.help-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 22px;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  display: flex;
  flex-direction: column;
}
.help-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  border-color: var(--color-border-strong);
}
.help-card__icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: var(--color-primary-light);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  font-size: 18px;
  margin-bottom: 14px;
}
.help-card__title {
  font-size: 17px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
  line-height: 1.4;
}
.help-card__desc {
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.75;
  margin-bottom: 12px;
  flex: 1;
}
.help-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: 12px;
  color: var(--color-text-muted);
  padding-top: 12px;
  border-top: 1px solid rgba(201, 169, 110, 0.1);
}
.help-card__badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  font-size: 11px;
  border-radius: 999px;
  background: rgba(74, 222, 128, 0.12);
  color: var(--color-highlight);
  border: 1px solid rgba(74, 222, 128, 0.25);
}
.load-more-wrap {
  display: flex;
  justify-content: center;
  padding: 8px 0 20px;
}
.load-more-btn {
  padding: 10px 32px;
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--radius-btn);
  background: transparent;
  color: var(--color-accent);
  border: 1px solid var(--color-border);
  transition: all var(--transition-fast);
}
.load-more-btn:hover {
  background: var(--color-accent-soft);
  border-color: var(--color-border-strong);
  transform: translateY(-1px);
}
.hot-section {
  padding: 32px 0;
}
.hot-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.hot-card {
  background: var(--color-panel);
  border: 1px solid rgba(201, 169, 110, 0.18);
  border-radius: var(--radius-card);
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: all var(--transition-fast);
}
.hot-card:hover {
  border-color: var(--color-border-strong);
  background: var(--color-primary-light);
  transform: translateY(-2px);
}
.hot-card__rank {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--color-accent);
  min-width: 32px;
  text-align: center;
}
.hot-card__info {
  flex: 1;
  min-width: 0;
}
.hot-card__title {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.hot-card__count {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-top: 2px;
}
.faq-section {
  background: var(--color-card);
  border-top: 1px solid rgba(201, 169, 110, 0.12);
  border-bottom: 1px solid rgba(201, 169, 110, 0.12);
  padding: var(--section-gap) 0;
}
.faq-item {
  background: var(--color-panel);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color var(--transition-fast);
}
.faq-item:hover {
  border-color: var(--color-border-strong);
}
.faq-item__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 20px;
  cursor: pointer;
  background: transparent;
  color: var(--color-text);
  font-size: 15px;
  font-weight: 500;
  width: 100%;
  text-align: left;
  transition: color var(--transition-fast);
}
.faq-item__question:hover {
  color: var(--color-accent);
}
.faq-item__icon {
  flex-shrink: 0;
  font-size: 18px;
  color: var(--color-accent);
  transition: transform var(--transition-fast);
}
.faq-item.open .faq-item__icon {
  transform: rotate(45deg);
}
.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base), padding var(--transition-base);
  padding: 0 20px;
  color: var(--color-text-secondary);
  font-size: 14px;
  line-height: 1.85;
}
.faq-item.open .faq-item__answer {
  max-height: 200px;
  padding: 0 20px 16px;
}
.subscribe-section {
  padding: var(--section-gap) 0;
}
.subscribe-box {
  background: var(--color-primary-light);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-card);
  padding: 32px 28px;
  text-align: center;
}
.subscribe-box__title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 10px;
}
.subscribe-box__desc {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-bottom: 20px;
}
.subscribe-form {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}
.subscribe-form input {
  padding: 10px 16px;
  font-size: 14px;
  border-radius: var(--radius-btn);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-text);
  min-width: 260px;
}
.subscribe-form input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(201, 169, 110, 0.15);
}
.footer {
  background: var(--color-primary);
  border-top: 1px solid var(--color-border);
  padding: 48px 0 24px;
  margin-top: 20px;
}
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}
.footer__brand {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 10px;
}
.footer__brand-desc {
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.8;
  max-width: 260px;
}
.footer__col-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 14px;
}
.footer__links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer__links li a {
  font-size: 13px;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}
.footer__links li a:hover {
  color: var(--color-accent);
}
.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 20px;
  border-top: 1px solid rgba(201, 169, 110, 0.15);
  font-size: 12px;
  color: var(--color-text-muted);
}
.footer__bottom-links {
  display: flex;
  align-items: center;
  gap: 8px;
}
.footer__bottom-links a {
  color: var(--color-text-secondary);
  font-size: 12px;
}
.footer__bottom-links a:hover {
  color: var(--color-accent);
}
@media (max-width: 1024px) {
  .header__nav {
    gap: 2px;
  }
  .header__nav-link {
    padding: 6px 8px;
    font-size: 13px;
  }
  .header__actions .btn {
    padding: 8px 14px;
    font-size: 13px;
  }
  .help-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .hot-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 768px) {
  :root {
    --section-gap: 40px;
    --header-height: 56px;
  }
  .header .container {
    flex-wrap: wrap;
    gap: 8px;
  }
  .header__nav {
    display: none;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: rgba(10, 26, 22, 0.98);
    flex-direction: column;
    align-items: stretch;
    padding: 12px 24px;
    border-bottom: 1px solid var(--color-border);
    gap: 4px;
    z-index: 999;
  }
  .header__nav.open {
    display: flex;
  }
  .header__nav-link {
    padding: 10px 12px;
    font-size: 15px;
  }
  .header__menu-toggle {
    display: block;
  }
  .header__actions {
    margin-left: auto;
  }
  .page-header__title {
    font-size: 26px;
  }
  .help-grid {
    grid-template-columns: 1fr;
  }
  .hot-grid {
    grid-template-columns: 1fr;
  }
  .footer__grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .subscribe-form input {
    min-width: 100%;
  }
}
@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }
  .page-header__title {
    font-size: 24px;
  }
  .section__title {
    font-size: 21px;
  }
  .header__actions .btn-outline {
    display: none;
  }
  .filter-bar {
    flex-direction: column;
    align-items: stretch;
  }
  .filter-bar__chips {
    justify-content: flex-start;
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 4px;
  }
  .filter-bar__sort {
    justify-content: space-between;
  }
}