/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --clr-bg: #0b0b15;
            --clr-bg-alt: #111122;
            --clr-bg-card: #171728;
            --clr-bg-card-hover: #1e1e36;
            --clr-gold: #c9a84c;
            --clr-gold-light: #e8c96a;
            --clr-gold-dark: #a88830;
            --clr-copper: #b8943e;
            --clr-amber: #d4893a;
            --clr-text: #d4c5a9;
            --clr-text-light: #e8dcc8;
            --clr-text-dim: #9e8e7a;
            --clr-border: rgba(201, 168, 76, 0.35);
            --clr-border-light: rgba(201, 168, 76, 0.18);
            --clr-glow: rgba(201, 168, 76, 0.12);
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 14px;
            --radius-xl: 20px;
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.5), 0 0 0 1px var(--clr-border-light);
            --shadow-card-hover: 0 8px 32px rgba(0, 0, 0, 0.6), 0 0 0 1px var(--clr-border);
            --shadow-btn: 0 2px 12px rgba(201, 168, 76, 0.2);
            --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --space-xs: 0.5rem;
            --space-sm: 1rem;
            --space-md: 2rem;
            --space-lg: 3.5rem;
            --space-xl: 5rem;
            --max-width: 1200px;
            --header-h: 130px;
            --nav-second-h: 48px;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--clr-text);
            background: var(--clr-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--clr-gold);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--clr-gold-light);
        }
        a:focus-visible {
            outline: 2px solid var(--clr-gold);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        button:focus-visible {
            outline: 2px solid var(--clr-gold);
            outline-offset: 3px;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-serif);
            color: var(--clr-text-light);
            line-height: 1.25;
            font-weight: 600;
        }

        /* ===== Container ===== */
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--space-md);
        }
        .container--narrow {
            max-width: 860px;
        }

        /* ===== 双层导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(11, 11, 21, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--clr-border-light);
        }
        .header__top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.6rem var(--space-md);
            max-width: var(--max-width);
            margin: 0 auto;
            min-height: 60px;
        }
        .header__brand {
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .header__logo {
            font-family: var(--font-serif);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--clr-gold);
            letter-spacing: 0.04em;
            text-shadow: 0 0 20px rgba(201, 168, 76, 0.15);
            transition: color var(--transition);
        }
        .header__logo:hover {
            color: var(--clr-gold-light);
        }
        .header__logo i {
            font-size: 1.3rem;
            margin-right: 0.3rem;
            opacity: 0.8;
        }
        .header__actions {
            display: flex;
            align-items: center;
            gap: 1rem;
        }
        .header__search {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--clr-border-light);
            border-radius: 30px;
            padding: 0.3rem 0.3rem 0.3rem 1rem;
            transition: border-color var(--transition), background var(--transition);
        }
        .header__search:focus-within {
            border-color: var(--clr-gold);
            background: rgba(255, 255, 255, 0.08);
        }
        .header__search input {
            background: transparent;
            border: none;
            color: var(--clr-text);
            padding: 0.4rem 0;
            min-width: 120px;
            font-size: 0.85rem;
            outline: none;
        }
        .header__search input::placeholder {
            color: var(--clr-text-dim);
            opacity: 0.8;
        }
        .header__search button {
            color: var(--clr-gold);
            padding: 0.4rem 0.8rem;
            font-size: 0.85rem;
            border-radius: 30px;
            transition: background var(--transition), color var(--transition);
        }
        .header__search button:hover {
            background: rgba(201, 168, 76, 0.15);
        }
        .header__cta {
            background: linear-gradient(135deg, var(--clr-gold-dark), var(--clr-copper));
            color: #0b0b15;
            font-weight: 600;
            font-size: 0.85rem;
            padding: 0.5rem 1.2rem;
            border-radius: 30px;
            transition: transform var(--transition), box-shadow var(--transition);
            box-shadow: var(--shadow-btn);
            letter-spacing: 0.02em;
        }
        .header__cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 20px rgba(201, 168, 76, 0.3);
            color: #0b0b15;
        }
        .header__cta:active {
            transform: translateY(0);
        }

        /* 第二层 — 频道 Tabs */
        .header__bottom {
            border-top: 1px solid var(--clr-border-light);
            background: rgba(11, 11, 21, 0.6);
        }
        .header__tabs {
            display: flex;
            gap: 0.25rem;
            padding: 0.5rem var(--space-md);
            max-width: var(--max-width);
            margin: 0 auto;
            overflow-x: auto;
            scrollbar-width: thin;
            scrollbar-color: var(--clr-border) transparent;
            -webkit-overflow-scrolling: touch;
        }
        .header__tabs::-webkit-scrollbar {
            height: 4px;
        }
        .header__tabs::-webkit-scrollbar-thumb {
            background: var(--clr-border);
            border-radius: 10px;
        }
        .header__tabs::-webkit-scrollbar-track {
            background: transparent;
        }
        .header__tab {
            flex-shrink: 0;
            padding: 0.4rem 1.4rem;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--clr-text-dim);
            border: 1px solid transparent;
            transition: all var(--transition);
            letter-spacing: 0.03em;
            white-space: nowrap;
        }
        .header__tab:hover {
            color: var(--clr-gold-light);
            border-color: var(--clr-border-light);
            background: rgba(201, 168, 76, 0.06);
        }
        .header__tab--active {
            color: var(--clr-gold);
            border-color: var(--clr-border);
            background: rgba(201, 168, 76, 0.1);
            text-shadow: 0 0 12px rgba(201, 168, 76, 0.08);
        }
        .header__tab--active:hover {
            color: var(--clr-gold-light);
        }
        .header__tab i {
            margin-right: 0.4rem;
            font-size: 0.75rem;
        }

        /* 移动端菜单按钮 */
        .header__mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--clr-gold);
            font-size: 1.4rem;
            padding: 0.2rem;
            border-radius: var(--radius-sm);
            transition: background var(--transition);
        }
        .header__mobile-toggle:hover {
            background: rgba(201, 168, 76, 0.1);
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 86vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background: var(--clr-bg) url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            isolation: isolate;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 40%, rgba(11, 11, 21, 0.4), rgba(11, 11, 21, 0.82) 80%);
            z-index: 1;
        }
        .hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, var(--clr-bg) 0%, transparent 50%, rgba(11, 11, 21, 0.3) 100%);
            z-index: 1;
        }
        .hero__inner {
            position: relative;
            z-index: 2;
            max-width: 780px;
            padding: var(--space-lg) var(--space-md);
        }
        .hero__badge {
            display: inline-block;
            padding: 0.3rem 1.2rem;
            border: 1px solid var(--clr-border);
            border-radius: 30px;
            font-size: 0.75rem;
            text-transform: uppercase;
            letter-spacing: 0.15em;
            color: var(--clr-gold);
            background: rgba(201, 168, 76, 0.08);
            margin-bottom: 1.5rem;
            font-weight: 500;
        }
        .hero__title {
            font-size: clamp(2.6rem, 7vw, 4.8rem);
            font-weight: 700;
            color: var(--clr-text-light);
            line-height: 1.08;
            margin-bottom: 1.2rem;
            text-shadow: 0 2px 40px rgba(0, 0, 0, 0.5);
        }
        .hero__title span {
            color: var(--clr-gold);
            text-shadow: 0 0 40px rgba(201, 168, 76, 0.15);
        }
        .hero__sub {
            font-size: clamp(1rem, 2vw, 1.2rem);
            color: var(--clr-text-dim);
            line-height: 1.7;
            max-width: 600px;
            margin: 0 auto 2.2rem;
            font-weight: 300;
            letter-spacing: 0.02em;
        }
        .hero__actions {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            justify-content: center;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.7rem 2rem;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition);
            border: 1px solid transparent;
            letter-spacing: 0.02em;
        }
        .btn--primary {
            background: linear-gradient(135deg, var(--clr-gold-dark), var(--clr-copper));
            color: #0b0b15;
            box-shadow: var(--shadow-btn);
        }
        .btn--primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 28px rgba(201, 168, 76, 0.3);
            color: #0b0b15;
        }
        .btn--primary:active {
            transform: translateY(-1px);
        }
        .btn--outline {
            border-color: var(--clr-border);
            color: var(--clr-gold);
            background: rgba(201, 168, 76, 0.05);
        }
        .btn--outline:hover {
            background: rgba(201, 168, 76, 0.12);
            border-color: var(--clr-gold);
            color: var(--clr-gold-light);
            transform: translateY(-3px);
        }
        .btn--outline:active {
            transform: translateY(-1px);
        }
        .btn--ghost {
            color: var(--clr-text-dim);
            border-color: transparent;
        }
        .btn--ghost:hover {
            color: var(--clr-text-light);
            background: rgba(255, 255, 255, 0.04);
        }

        /* ===== 板块通用 ===== */
        .section {
            padding: var(--space-xl) 0;
            position: relative;
        }
        .section--alt {
            background: var(--clr-bg-alt);
        }
        .section--dark {
            background: var(--clr-bg);
        }
        .section__header {
            text-align: center;
            margin-bottom: var(--space-lg);
        }
        .section__label {
            display: inline-block;
            font-size: 0.7rem;
            text-transform: uppercase;
            letter-spacing: 0.2em;
            color: var(--clr-gold);
            border: 1px solid var(--clr-border-light);
            padding: 0.2rem 1rem;
            border-radius: 30px;
            margin-bottom: 0.8rem;
            font-weight: 500;
            background: rgba(201, 168, 76, 0.05);
        }
        .section__title {
            font-size: clamp(1.8rem, 4vw, 2.8rem);
            margin-bottom: 0.6rem;
        }
        .section__desc {
            color: var(--clr-text-dim);
            max-width: 600px;
            margin: 0 auto;
            font-size: 1rem;
            font-weight: 300;
        }
        .section__divider {
            width: 60px;
            height: 2px;
            background: var(--clr-gold);
            margin: 1rem auto 0;
            opacity: 0.5;
            border-radius: 4px;
        }

        /* ===== 卡片网格 ===== */
        .grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-md);
        }
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-md);
        }
        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.2rem;
        }

        .card {
            background: var(--clr-bg-card);
            border: 1px solid var(--clr-border-light);
            border-radius: var(--radius-lg);
            padding: var(--space-md);
            transition: all var(--transition);
            box-shadow: var(--shadow-card);
        }
        .card:hover {
            background: var(--clr-bg-card-hover);
            border-color: var(--clr-border);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .card--img {
            padding: 0;
            overflow: hidden;
        }
        .card--img .card__img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            display: block;
            border-bottom: 1px solid var(--clr-border-light);
        }
        .card--img .card__body {
            padding: var(--space-md);
        }
        .card__title {
            font-size: 1.15rem;
            margin-bottom: 0.5rem;
            line-height: 1.3;
        }
        .card__title a {
            color: var(--clr-text-light);
        }
        .card__title a:hover {
            color: var(--clr-gold);
        }
        .card__text {
            color: var(--clr-text-dim);
            font-size: 0.9rem;
            line-height: 1.6;
        }
        .card__meta {
            display: flex;
            align-items: center;
            gap: 1rem;
            font-size: 0.78rem;
            color: var(--clr-text-dim);
            margin-top: 0.8rem;
            flex-wrap: wrap;
        }
        .card__meta i {
            margin-right: 0.3rem;
            opacity: 0.6;
        }
        .card__badge {
            display: inline-block;
            padding: 0.15rem 0.7rem;
            border-radius: 30px;
            font-size: 0.7rem;
            font-weight: 500;
            border: 1px solid var(--clr-border-light);
            color: var(--clr-gold);
            background: rgba(201, 168, 76, 0.06);
            text-transform: uppercase;
            letter-spacing: 0.06em;
        }
        .card__badge--sm {
            font-size: 0.6rem;
            padding: 0.1rem 0.5rem;
        }

        /* ===== 分类入口卡片 ===== */
        .cat-card {
            text-align: center;
            padding: var(--space-md) var(--space-sm);
            background: var(--clr-bg-card);
            border: 1px solid var(--clr-border-light);
            border-radius: var(--radius-lg);
            transition: all var(--transition);
            box-shadow: var(--shadow-card);
        }
        .cat-card:hover {
            transform: translateY(-5px);
            border-color: var(--clr-border);
            box-shadow: var(--shadow-card-hover);
            background: var(--clr-bg-card-hover);
        }
        .cat-card__icon {
            font-size: 2.4rem;
            color: var(--clr-gold);
            margin-bottom: 0.8rem;
            display: block;
            opacity: 0.85;
        }
        .cat-card__title {
            font-size: 1.1rem;
            margin-bottom: 0.3rem;
            font-family: var(--font-serif);
        }
        .cat-card__count {
            font-size: 0.8rem;
            color: var(--clr-text-dim);
        }

        /* ===== 数据统计 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }
        .stat-item {
            text-align: center;
            padding: var(--space-md) var(--space-sm);
            background: var(--clr-bg-card);
            border: 1px solid var(--clr-border-light);
            border-radius: var(--radius-lg);
            transition: all var(--transition);
        }
        .stat-item:hover {
            border-color: var(--clr-border);
            background: var(--clr-bg-card-hover);
            transform: translateY(-3px);
        }
        .stat-item__number {
            font-family: var(--font-serif);
            font-size: 2.6rem;
            font-weight: 700;
            color: var(--clr-gold);
            line-height: 1.1;
            margin-bottom: 0.3rem;
        }
        .stat-item__label {
            font-size: 0.85rem;
            color: var(--clr-text-dim);
            font-weight: 400;
        }

        /* ===== 特色区块 ===== */
        .feature-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-md);
        }
        .feature-card {
            display: flex;
            gap: 1.2rem;
            align-items: flex-start;
            padding: var(--space-md);
            background: var(--clr-bg-card);
            border: 1px solid var(--clr-border-light);
            border-radius: var(--radius-lg);
            transition: all var(--transition);
            box-shadow: var(--shadow-card);
        }
        .feature-card:hover {
            border-color: var(--clr-border);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            background: var(--clr-bg-card-hover);
        }
        .feature-card__icon {
            flex-shrink: 0;
            width: 50px;
            height: 50px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--clr-border-light);
            border-radius: var(--radius-md);
            color: var(--clr-gold);
            font-size: 1.3rem;
            background: rgba(201, 168, 76, 0.06);
        }
        .feature-card__body h3 {
            font-size: 1.05rem;
            margin-bottom: 0.3rem;
        }
        .feature-card__body p {
            font-size: 0.88rem;
            color: var(--clr-text-dim);
            line-height: 1.6;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }
        .faq-item {
            background: var(--clr-bg-card);
            border: 1px solid var(--clr-border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: border-color var(--transition);
        }
        .faq-item:hover {
            border-color: var(--clr-border);
        }
        .faq-item__question {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 1.4rem;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--clr-text-light);
            background: transparent;
            text-align: left;
            transition: background var(--transition), color var(--transition);
            gap: 1rem;
        }
        .faq-item__question:hover {
            background: rgba(201, 168, 76, 0.04);
            color: var(--clr-gold-light);
        }
        .faq-item__question i {
            flex-shrink: 0;
            color: var(--clr-gold);
            font-size: 0.85rem;
            transition: transform var(--transition);
        }
        .faq-item__question[aria-expanded="true"] i {
            transform: rotate(180deg);
        }
        .faq-item__answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 1.4rem;
            color: var(--clr-text-dim);
            font-size: 0.9rem;
            line-height: 1.7;
        }
        .faq-item__answer-inner {
            padding-bottom: 1.2rem;
        }
        .faq-item__answer.open {
            max-height: 400px;
            padding: 0 1.4rem;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--clr-bg-alt);
            border-top: 1px solid var(--clr-border-light);
            border-bottom: 1px solid var(--clr-border-light);
            text-align: center;
            padding: var(--space-xl) 0;
        }
        .cta-section__title {
            font-size: clamp(1.6rem, 3.5vw, 2.4rem);
            margin-bottom: 0.6rem;
        }
        .cta-section__desc {
            color: var(--clr-text-dim);
            max-width: 520px;
            margin: 0 auto 1.8rem;
            font-size: 1rem;
            font-weight: 300;
        }
        .cta-section__actions {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            justify-content: center;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--clr-bg);
            border-top: 1px solid var(--clr-border-light);
            padding: var(--space-lg) 0 var(--space-md);
        }
        .footer__grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--space-md);
            margin-bottom: var(--space-md);
        }
        .footer__brand {
            font-family: var(--font-serif);
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--clr-gold);
            margin-bottom: 0.6rem;
        }
        .footer__desc {
            font-size: 0.85rem;
            color: var(--clr-text-dim);
            line-height: 1.7;
            max-width: 280px;
        }
        .footer__col-title {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--clr-text-light);
            margin-bottom: 0.8rem;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }
        .footer__links {
            display: flex;
            flex-direction: column;
            gap: 0.4rem;
        }
        .footer__links a {
            font-size: 0.85rem;
            color: var(--clr-text-dim);
            transition: color var(--transition), padding-left var(--transition);
        }
        .footer__links a:hover {
            color: var(--clr-gold-light);
            padding-left: 4px;
        }
        .footer__social {
            display: flex;
            gap: 0.8rem;
            margin-top: 0.8rem;
        }
        .footer__social a {
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--clr-border-light);
            border-radius: 50%;
            color: var(--clr-text-dim);
            font-size: 1rem;
            transition: all var(--transition);
        }
        .footer__social a:hover {
            border-color: var(--clr-gold);
            color: var(--clr-gold);
            background: rgba(201, 168, 76, 0.06);
            transform: translateY(-2px);
        }
        .footer__bottom {
            border-top: 1px solid var(--clr-border-light);
            padding-top: var(--space-sm);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.6rem;
            font-size: 0.78rem;
            color: var(--clr-text-dim);
        }
        .footer__bottom a {
            color: var(--clr-text-dim);
        }
        .footer__bottom a:hover {
            color: var(--clr-gold-light);
        }

        /* ===== 资讯列表 ===== */
        .post-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-md);
        }
        .post-card {
            display: flex;
            flex-direction: column;
            background: var(--clr-bg-card);
            border: 1px solid var(--clr-border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-card);
        }
        .post-card:hover {
            border-color: var(--clr-border);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .post-card__img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            border-bottom: 1px solid var(--clr-border-light);
        }
        .post-card__body {
            padding: var(--space-sm) var(--space-md) var(--space-md);
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .post-card__title {
            font-size: 1.05rem;
            margin-bottom: 0.4rem;
            font-family: var(--font-serif);
        }
        .post-card__title a {
            color: var(--clr-text-light);
        }
        .post-card__title a:hover {
            color: var(--clr-gold);
        }
        .post-card__excerpt {
            font-size: 0.85rem;
            color: var(--clr-text-dim);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 0.8rem;
        }
        .post-card__meta {
            display: flex;
            align-items: center;
            gap: 1rem;
            font-size: 0.75rem;
            color: var(--clr-text-dim);
            flex-wrap: wrap;
        }
        .post-card__meta i {
            margin-right: 0.25rem;
            opacity: 0.6;
        }
        .post-card__badge {
            font-size: 0.6rem;
            padding: 0.1rem 0.6rem;
            border-radius: 30px;
            border: 1px solid var(--clr-border-light);
            color: var(--clr-gold);
            background: rgba(201, 168, 76, 0.06);
            font-weight: 500;
            letter-spacing: 0.05em;
            text-transform: uppercase;
        }
        .empty-state {
            text-align: center;
            padding: var(--space-lg) var(--space-md);
            color: var(--clr-text-dim);
            font-size: 0.95rem;
            grid-column: 1 / -1;
        }
        .empty-state i {
            font-size: 2.4rem;
            color: var(--clr-border);
            margin-bottom: 0.8rem;
            display: block;
            opacity: 0.5;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer__grid {
                grid-template-columns: 1fr 1fr;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            :root {
                --header-h: 110px;
            }
        }

        @media (max-width: 768px) {
            .header__search input {
                min-width: 80px;
            }
            .header__search {
                padding: 0.2rem 0.2rem 0.2rem 0.8rem;
            }
            .header__cta {
                padding: 0.4rem 0.9rem;
                font-size: 0.75rem;
            }
            .header__logo {
                font-size: 1.3rem;
            }
            .header__mobile-toggle {
                display: block;
            }
            .header__tabs {
                flex-wrap: nowrap;
                padding: 0.4rem var(--space-sm);
                gap: 0.2rem;
            }
            .header__tab {
                font-size: 0.75rem;
                padding: 0.3rem 1rem;
            }
            .hero {
                min-height: 70vh;
            }
            .hero__title {
                font-size: clamp(2rem, 6vw, 3rem);
            }
            .grid-2,
            .grid-3,
            .post-list {
                grid-template-columns: 1fr;
            }
            .grid-4 {
                grid-template-columns: 1fr 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1rem;
            }
            .stat-item__number {
                font-size: 2rem;
            }
            .section {
                padding: var(--space-lg) 0;
            }
            .footer__grid {
                grid-template-columns: 1fr;
                gap: var(--space-md);
                text-align: center;
            }
            .footer__desc {
                max-width: 100%;
            }
            .footer__social {
                justify-content: center;
            }
            .footer__bottom {
                flex-direction: column;
                text-align: center;
            }
            .feature-card {
                flex-direction: column;
                align-items: center;
                text-align: center;
            }
            .feature-card__icon {
                margin-bottom: 0.3rem;
            }
            .cat-card {
                padding: var(--space-sm);
            }
            .hero__actions .btn {
                flex: 1;
                text-align: center;
                justify-content: center;
                min-width: 140px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 var(--space-sm);
            }
            .header__top {
                padding: 0.5rem var(--space-sm);
            }
            .header__search input {
                min-width: 60px;
                width: 60px;
                font-size: 0.75rem;
            }
            .header__search {
                padding: 0.15rem 0.15rem 0.15rem 0.6rem;
            }
            .header__search button {
                padding: 0.3rem 0.5rem;
                font-size: 0.75rem;
            }
            .header__cta {
                padding: 0.3rem 0.7rem;
                font-size: 0.7rem;
            }
            .header__logo {
                font-size: 1.1rem;
            }
            .header__logo i {
                font-size: 1rem;
            }
            .header__tab {
                font-size: 0.7rem;
                padding: 0.25rem 0.8rem;
            }
            .header__actions {
                gap: 0.4rem;
            }
            .grid-4 {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 0.8rem;
            }
            .stat-item {
                padding: var(--space-sm);
            }
            .stat-item__number {
                font-size: 1.6rem;
            }
            .hero__title {
                font-size: clamp(1.6rem, 8vw, 2.2rem);
            }
            .hero__sub {
                font-size: 0.9rem;
            }
            .section__title {
                font-size: 1.4rem;
            }
            .card__title {
                font-size: 1rem;
            }
            .faq-item__question {
                font-size: 0.85rem;
                padding: 0.8rem 1rem;
            }
            .faq-item__answer {
                font-size: 0.82rem;
                padding: 0 1rem;
            }
            .faq-item__answer.open {
                padding: 0 1rem;
            }
            .post-card__body {
                padding: var(--space-sm);
            }
            .footer__brand {
                font-size: 1.1rem;
            }
            .btn {
                padding: 0.5rem 1.4rem;
                font-size: 0.8rem;
            }
            .hero__actions {
                flex-direction: column;
                align-items: center;
            }
            .hero__actions .btn {
                min-width: 0;
                width: 100%;
                max-width: 240px;
            }
        }

/* roulang page: article */
:root {
            --color-primary: #1a1a2e;
            --color-primary-light: #2d2d44;
            --color-primary-mid: #252540;
            --color-accent: #c9a227;
            --color-accent-light: #e0b83e;
            --color-accent-dark: #a8831a;
            --color-accent-soft: #f5edd6;
            --color-bg: #f5efe8;
            --color-bg-alt: #ece3d8;
            --color-bg-card: #ffffff;
            --color-text: #2c2c2c;
            --color-text-light: #6b6b6b;
            --color-text-muted: #999084;
            --color-border: #dcd0c4;
            --color-border-light: #e8dfd4;
            --color-footer-bg: #1a1a2e;
            --color-footer-text: #b0a8a0;
            --color-footer-link: #d4c8bd;
            --color-white: #ffffff;
            --color-star: #f5b342;
            --color-tag-bg: #f0e8de;
            --radius: 14px;
            --radius-sm: 8px;
            --radius-xs: 4px;
            --shadow: 0 4px 24px rgba(26, 26, 46, 0.06);
            --shadow-hover: 0 10px 36px rgba(26, 26, 46, 0.12);
            --shadow-lg: 0 20px 48px rgba(26, 26, 46, 0.10);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-serif: 'Georgia', 'Times New Roman', serif;
            --max-width: 1200px;
            --header-height: 120px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            background: var(--color-bg);
            color: var(--color-text);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--color-accent-dark);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--color-accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            transition: all var(--transition);
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            color: var(--color-primary);
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== Header ===== */
        .site-header {
            background: var(--color-primary);
            color: var(--color-white);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.25);
        }
        .header__top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 24px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            max-width: var(--max-width);
            margin: 0 auto;
        }
        .header__logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--color-white);
            letter-spacing: 1px;
        }
        .header__logo i {
            color: var(--color-accent);
            font-size: 26px;
        }
        .header__logo span {
            background: linear-gradient(135deg, var(--color-accent-light), var(--color-accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .header__search {
            display: flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 40px;
            padding: 4px 16px 4px 20px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: var(--transition);
        }
        .header__search:focus-within {
            background: rgba(255, 255, 255, 0.14);
            border-color: var(--color-accent);
        }
        .header__search input {
            background: transparent;
            border: none;
            color: var(--color-white);
            padding: 8px 0;
            min-width: 180px;
            outline: none;
            font-size: 14px;
        }
        .header__search input::placeholder {
            color: rgba(255, 255, 255, 0.45);
        }
        .header__search button {
            color: rgba(255, 255, 255, 0.6);
            font-size: 15px;
            padding: 6px 4px;
        }
        .header__search button:hover {
            color: var(--color-accent-light);
        }
        .header__tabs {
            display: flex;
            align-items: center;
            gap: 2px;
            padding: 4px 24px;
            max-width: var(--max-width);
            margin: 0 auto;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .header__tabs::-webkit-scrollbar {
            display: none;
        }
        .header__tab {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            font-size: 14px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.65);
            border-radius: var(--radius-sm) var(--radius-sm) 0 0;
            transition: var(--transition);
            white-space: nowrap;
            border-bottom: 2px solid transparent;
        }
        .header__tab i {
            font-size: 14px;
        }
        .header__tab:hover {
            color: var(--color-white);
            background: rgba(255, 255, 255, 0.05);
        }
        .header__tab--active,
        .header__tab--active:hover {
            color: var(--color-accent-light);
            background: rgba(201, 162, 39, 0.08);
            border-bottom-color: var(--color-accent);
        }
        .header__menu-toggle {
            display: none;
            color: var(--color-white);
            font-size: 22px;
            padding: 6px 10px;
        }
        @media (max-width: 768px) {
            .site-header {
                position: relative;
            }
            .header__top {
                padding: 8px 16px;
            }
            .header__logo {
                font-size: 18px;
            }
            .header__search input {
                min-width: 100px;
                width: 100px;
            }
            .header__tabs {
                padding: 2px 12px;
                gap: 0;
            }
            .header__tab {
                padding: 8px 14px;
                font-size: 13px;
            }
            .header__menu-toggle {
                display: block;
            }
        }
        @media (max-width: 520px) {
            .header__search input {
                min-width: 70px;
                width: 70px;
                font-size: 12px;
            }
            .header__logo {
                font-size: 16px;
                gap: 6px;
            }
            .header__tab {
                padding: 6px 10px;
                font-size: 12px;
            }
            .header__tab i {
                font-size: 12px;
            }
        }

        /* ===== Article Banner ===== */
        .article-banner {
            position: relative;
            padding: 80px 0 60px;
            background: var(--color-primary);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            color: var(--color-white);
            overflow: hidden;
        }
        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.88) 0%, rgba(26, 26, 46, 0.60) 100%);
            z-index: 1;
        }
        .article-banner .container {
            position: relative;
            z-index: 2;
        }
        .article-banner__breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }
        .article-banner__breadcrumb a {
            color: rgba(255, 255, 255, 0.7);
            transition: var(--transition);
        }
        .article-banner__breadcrumb a:hover {
            color: var(--color-accent-light);
        }
        .article-banner__breadcrumb .sep {
            color: rgba(255, 255, 255, 0.3);
        }
        .article-banner__category {
            display: inline-block;
            background: var(--color-accent);
            color: var(--color-primary);
            font-size: 12px;
            font-weight: 700;
            padding: 4px 16px;
            border-radius: 30px;
            letter-spacing: 0.5px;
            text-transform: uppercase;
            margin-bottom: 16px;
        }
        .article-banner__title {
            font-size: 36px;
            font-weight: 800;
            color: var(--color-white);
            line-height: 1.25;
            max-width: 860px;
            margin-bottom: 16px;
            letter-spacing: -0.3px;
        }
        .article-banner__meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 20px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
        }
        .article-banner__meta i {
            margin-right: 6px;
            color: var(--color-accent-light);
        }
        .article-banner__meta span {
            display: flex;
            align-items: center;
        }
        @media (max-width: 768px) {
            .article-banner {
                padding: 50px 0 40px;
            }
            .article-banner__title {
                font-size: 26px;
            }
            .article-banner__meta {
                gap: 12px;
                font-size: 13px;
                flex-wrap: wrap;
            }
        }
        @media (max-width: 520px) {
            .article-banner__title {
                font-size: 20px;
            }
            .article-banner {
                padding: 34px 0 28px;
            }
            .article-banner__meta {
                font-size: 12px;
                gap: 8px;
            }
        }

        /* ===== Article Main ===== */
        .article-main {
            padding: 48px 0 60px;
        }
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 48px;
            align-items: start;
        }
        .article-content {
            background: var(--color-bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 40px 44px;
            border: 1px solid var(--color-border-light);
        }
        .article-content__body {
            font-size: 16.5px;
            line-height: 1.9;
            color: var(--color-text);
        }
        .article-content__body p {
            margin-bottom: 1.5em;
        }
        .article-content__body h2,
        .article-content__body h3 {
            margin-top: 1.6em;
            margin-bottom: 0.6em;
            color: var(--color-primary);
        }
        .article-content__body h2 {
            font-size: 24px;
            border-left: 4px solid var(--color-accent);
            padding-left: 16px;
        }
        .article-content__body h3 {
            font-size: 20px;
        }
        .article-content__body img {
            border-radius: var(--radius-sm);
            margin: 1.2em 0;
            box-shadow: var(--shadow);
        }
        .article-content__body blockquote {
            border-left: 4px solid var(--color-accent);
            background: var(--color-accent-soft);
            padding: 16px 24px;
            margin: 1.5em 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--color-text-light);
            font-style: italic;
        }
        .article-content__body ul,
        .article-content__body ol {
            margin: 1em 0;
            padding-left: 24px;
        }
        .article-content__body ul li {
            list-style: disc;
            margin-bottom: 0.4em;
        }
        .article-content__body ol li {
            list-style: decimal;
            margin-bottom: 0.4em;
        }
        .article-content__body a {
            color: var(--color-accent-dark);
            text-decoration: underline;
            text-underline-offset: 2px;
        }
        .article-content__body a:hover {
            color: var(--color-accent);
        }
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 36px;
            padding-top: 24px;
            border-top: 1px solid var(--color-border-light);
        }
        .article-tags .tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: var(--color-tag-bg);
            color: var(--color-text-light);
            font-size: 13px;
            padding: 6px 18px;
            border-radius: 30px;
            transition: var(--transition);
            border: 1px solid var(--color-border-light);
        }
        .article-tags .tag:hover {
            background: var(--color-accent-soft);
            color: var(--color-accent-dark);
            border-color: var(--color-accent);
        }
        .article-tags .tag i {
            font-size: 11px;
            color: var(--color-accent);
        }
        .article-share {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 20px;
            padding-top: 20px;
            border-top: 1px solid var(--color-border-light);
        }
        .article-share span {
            font-size: 14px;
            color: var(--color-text-light);
            font-weight: 500;
        }
        .article-share a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-tag-bg);
            color: var(--color-text-light);
            border: 1px solid var(--color-border-light);
            transition: var(--transition);
            font-size: 16px;
        }
        .article-share a:hover {
            background: var(--color-accent);
            color: var(--color-white);
            border-color: var(--color-accent);
            transform: translateY(-2px);
        }

        /* Sidebar */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 32px;
        }
        .sidebar__card {
            background: var(--color-bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 28px 24px;
            border: 1px solid var(--color-border-light);
        }
        .sidebar__title {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar__title i {
            color: var(--color-accent);
            font-size: 18px;
        }
        .sidebar__list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .sidebar__item {
            display: flex;
            gap: 14px;
            padding: 10px 0;
            border-bottom: 1px solid var(--color-border-light);
            align-items: flex-start;
        }
        .sidebar__item:last-child {
            border-bottom: none;
        }
        .sidebar__item-img {
            width: 70px;
            height: 52px;
            border-radius: var(--radius-xs);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--color-bg-alt);
        }
        .sidebar__item-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text);
            line-height: 1.4;
            transition: var(--transition);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .sidebar__item:hover .sidebar__item-title {
            color: var(--color-accent-dark);
        }
        .sidebar__item-date {
            font-size: 12px;
            color: var(--color-text-muted);
            margin-top: 4px;
        }
        .sidebar__cta {
            text-align: center;
            padding: 24px 16px;
        }
        .sidebar__cta-icon {
            font-size: 36px;
            color: var(--color-accent);
            margin-bottom: 12px;
        }
        .sidebar__cta-text {
            font-size: 14px;
            color: var(--color-text-light);
            margin-bottom: 16px;
            line-height: 1.6;
        }

        /* ===== Article Navigation ===== */
        .article-nav {
            margin-top: 40px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .article-nav__item {
            display: flex;
            flex-direction: column;
            gap: 6px;
            background: var(--color-bg-card);
            border-radius: var(--radius-sm);
            padding: 20px 24px;
            border: 1px solid var(--color-border-light);
            transition: var(--transition);
        }
        .article-nav__item:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .article-nav__label {
            font-size: 12px;
            color: var(--color-text-muted);
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .article-nav__title {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .article-nav__item--next {
            text-align: right;
        }
        @media (max-width: 768px) {
            .article-nav {
                grid-template-columns: 1fr;
            }
            .article-nav__item--next {
                text-align: left;
            }
        }

        /* ===== Related Section ===== */
        .related-section {
            padding: 60px 0;
            background: var(--color-bg-alt);
        }
        .related-section .section-title {
            font-size: 28px;
            font-weight: 800;
            color: var(--color-primary);
            margin-bottom: 8px;
        }
        .related-section .section-sub {
            font-size: 15px;
            color: var(--color-text-light);
            margin-bottom: 36px;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .related-card {
            background: var(--color-bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--color-border-light);
            transition: var(--transition);
        }
        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: var(--color-accent);
        }
        .related-card__img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: 0;
            background: var(--color-bg-alt);
        }
        .related-card__body {
            padding: 20px 22px 24px;
        }
        .related-card__cat {
            font-size: 12px;
            font-weight: 600;
            color: var(--color-accent-dark);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 6px;
        }
        .related-card__title {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.4;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card:hover .related-card__title {
            color: var(--color-accent-dark);
        }
        .related-card__desc {
            font-size: 14px;
            color: var(--color-text-light);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 12px;
        }
        .related-card__meta {
            font-size: 12px;
            color: var(--color-text-muted);
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .related-card__meta i {
            margin-right: 4px;
            color: var(--color-accent);
        }
        @media (max-width: 1024px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .related-grid {
                grid-template-columns: 1fr;
            }
            .related-card__img {
                height: 200px;
            }
        }

        /* ===== CTA Section ===== */
        .cta-section {
            padding: 64px 0;
            background: var(--color-primary);
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            position: relative;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.85) 0%, rgba(26, 26, 46, 0.70) 100%);
            z-index: 1;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .cta-section__title {
            font-size: 32px;
            font-weight: 800;
            color: var(--color-white);
            margin-bottom: 12px;
        }
        .cta-section__desc {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }
        .cta-section .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 38px;
            font-size: 16px;
            font-weight: 700;
            border-radius: 40px;
            background: var(--color-accent);
            color: var(--color-primary);
            border: none;
            transition: var(--transition);
            box-shadow: 0 4px 20px rgba(201, 162, 39, 0.35);
        }
        .cta-section .btn:hover {
            background: var(--color-accent-light);
            transform: translateY(-3px);
            box-shadow: 0 8px 32px rgba(201, 162, 39, 0.45);
        }
        .cta-section .btn i {
            font-size: 18px;
        }
        @media (max-width: 768px) {
            .cta-section__title {
                font-size: 24px;
            }
            .cta-section__desc {
                font-size: 14px;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--color-footer-bg);
            color: var(--color-footer-text);
            padding: 56px 0 28px;
            border-top: 2px solid var(--color-accent-dark);
        }
        .footer__grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .footer__brand {
            font-size: 22px;
            font-weight: 800;
            color: var(--color-white);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer__brand i {
            color: var(--color-accent);
        }
        .footer__desc {
            font-size: 14px;
            line-height: 1.7;
            color: var(--color-footer-text);
            margin-bottom: 20px;
            max-width: 320px;
        }
        .footer__social {
            display: flex;
            gap: 12px;
        }
        .footer__social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            color: var(--color-footer-link);
            font-size: 18px;
            transition: var(--transition);
            border: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer__social a:hover {
            background: var(--color-accent);
            color: var(--color-primary);
            border-color: var(--color-accent);
            transform: translateY(-3px);
        }
        .footer__col-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 16px;
            position: relative;
            padding-bottom: 8px;
        }
        .footer__col-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 32px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 2px;
        }
        .footer__links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer__links a {
            font-size: 14px;
            color: var(--color-footer-link);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer__links a:hover {
            color: var(--color-accent-light);
            padding-left: 4px;
        }
        .footer__bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: var(--color-text-muted);
        }
        .footer__bottom a {
            color: var(--color-accent-light);
        }
        .footer__bottom a:hover {
            color: var(--color-accent);
        }
        @media (max-width: 1024px) {
            .footer__grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 640px) {
            .footer__grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer__bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== Not Found ===== */
        .not-found {
            text-align: center;
            padding: 80px 20px;
            background: var(--color-bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            border: 1px solid var(--color-border-light);
        }
        .not-found__icon {
            font-size: 56px;
            color: var(--color-text-muted);
            margin-bottom: 20px;
        }
        .not-found h2 {
            font-size: 28px;
            color: var(--color-primary);
            margin-bottom: 12px;
        }
        .not-found p {
            font-size: 16px;
            color: var(--color-text-light);
            margin-bottom: 24px;
        }
        .not-found .btn-back {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            background: var(--color-accent);
            color: var(--color-primary);
            font-weight: 700;
            border-radius: 40px;
            transition: var(--transition);
        }
        .not-found .btn-back:hover {
            background: var(--color-accent-light);
            transform: translateY(-2px);
        }

        /* ===== Responsive Layout ===== */
        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .article-content {
                padding: 28px 24px;
            }
        }
        @media (max-width: 640px) {
            .article-content {
                padding: 20px 16px;
            }
            .article-content__body {
                font-size: 15px;
                line-height: 1.8;
            }
            .article-content__body h2 {
                font-size: 20px;
                padding-left: 12px;
            }
            .article-content__body h3 {
                font-size: 18px;
            }
            .article-banner__title {
                font-size: 22px;
            }
            .related-section .section-title {
                font-size: 22px;
            }
            .article-share a {
                width: 36px;
                height: 36px;
                font-size: 14px;
            }
        }

        /* ===== Utility ===== */
        .text-center {
            text-align: center;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .mb-16 {
            margin-bottom: 16px;
        }
        .mb-24 {
            margin-bottom: 24px;
        }
        .gap-8 {
            gap: 8px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

/* roulang page: category1 */
/* ========== 设计变量 ========== */
        :root {
            --color-primary: #1a1a2e;
            --color-primary-light: #16213e;
            --color-accent: #f5a623;
            --color-accent-hover: #e09612;
            --color-accent-glow: rgba(245, 166, 35, 0.3);
            --color-bg: #0f0f1a;
            --color-bg-card: #1a1a2e;
            --color-bg-card-hover: #222245;
            --color-bg-section: #14142a;
            --color-bg-dark: #0a0a14;
            --color-text: #eaeaea;
            --color-text-muted: #9a9ab0;
            --color-text-dim: #6a6a88;
            --color-border: rgba(245, 166, 35, 0.15);
            --color-border-light: rgba(255, 255, 255, 0.06);
            --color-badge-bg: rgba(245, 166, 35, 0.12);
            --color-badge-text: #f5a623;
            --font-primary: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
            --font-size-xs: 0.75rem;
            --font-size-sm: 0.875rem;
            --font-size-base: 1rem;
            --font-size-lg: 1.125rem;
            --font-size-xl: 1.375rem;
            --font-size-2xl: 1.75rem;
            --font-size-3xl: 2.25rem;
            --font-size-4xl: 3rem;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.35);
            --shadow-lg: 0 12px 48px rgba(0, 0, 0, 0.45);
            --shadow-accent: 0 4px 20px rgba(245, 166, 35, 0.15);
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 2rem;
            --spacing-lg: 3.5rem;
            --spacing-xl: 5rem;
            --max-width: 1200px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* ========== Reset & Base ========== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

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

        body {
            font-family: var(--font-primary);
            font-size: var(--font-size-base);
            line-height: 1.7;
            color: var(--color-text);
            background: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--color-accent);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--color-accent-hover);
        }
        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 4px;
            border-radius: 2px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: transparent;
            color: var(--color-text);
        }

        button {
            cursor: pointer;
        }
        button:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            color: #fff;
        }

        /* ========== Container ========== */
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-sm);
        }

        @media (min-width: 768px) {
            .container {
                padding: 0 var(--spacing-md);
            }
        }

        /* ========== Header / 双层导航 ========== */
        .site-header {
            background: var(--color-primary);
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.4);
        }

        .header__row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.6rem 0;
            flex-wrap: wrap;
            gap: 0.5rem;
        }

        .header__brand {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-size: var(--font-size-xl);
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.5px;
        }
        .header__brand i {
            color: var(--color-accent);
            font-size: 1.5rem;
            filter: drop-shadow(0 0 8px var(--color-accent-glow));
        }
        .header__brand span {
            background: linear-gradient(135deg, #f5a623, #ffd700);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .header__actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .header__search {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-xl);
            padding: 0.35rem 0.35rem 0.35rem 1rem;
            border: 1px solid var(--color-border-light);
            transition: border var(--transition), background var(--transition);
            min-width: 180px;
        }
        .header__search:focus-within {
            border-color: var(--color-accent);
            background: rgba(255, 255, 255, 0.09);
        }
        .header__search input {
            flex: 1;
            font-size: var(--font-size-sm);
            padding: 0.35rem 0;
            background: transparent;
            color: var(--color-text);
            min-width: 0;
        }
        .header__search input::placeholder {
            color: var(--color-text-dim);
        }
        .header__search button {
            background: var(--color-accent);
            color: #0f0f1a;
            border-radius: 50%;
            width: 30px;
            height: 30px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: var(--font-size-xs);
            transition: background var(--transition), transform var(--transition);
            flex-shrink: 0;
        }
        .header__search button:hover {
            background: var(--color-accent-hover);
            transform: scale(1.05);
        }

        .header__cta {
            background: var(--color-accent);
            color: #0f0f1a;
            font-weight: 700;
            font-size: var(--font-size-sm);
            padding: 0.45rem 1.2rem;
            border-radius: var(--radius-xl);
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            white-space: nowrap;
        }
        .header__cta:hover {
            background: var(--color-accent-hover);
            transform: translateY(-1px);
            box-shadow: 0 4px 16px var(--color-accent-glow);
            color: #0f0f1a;
        }

        /* 第二行：频道 Tabs */
        .header__tabs-wrap {
            border-top: 1px solid var(--color-border-light);
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .header__tabs-wrap::-webkit-scrollbar {
            display: none;
        }

        .header__tabs {
            display: flex;
            gap: 0.25rem;
            padding: 0.4rem 0;
            min-width: max-content;
        }

        .header__tab {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.5rem 1.2rem;
            border-radius: var(--radius-xl);
            font-size: var(--font-size-sm);
            font-weight: 600;
            color: var(--color-text-muted);
            background: transparent;
            transition: background var(--transition), color var(--transition), box-shadow var(--transition);
            white-space: nowrap;
            border: 1px solid transparent;
        }
        .header__tab i {
            font-size: 0.85rem;
        }
        .header__tab:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.05);
        }
        .header__tab:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }
        .header__tab--active {
            color: #0f0f1a;
            background: var(--color-accent);
            border-color: var(--color-accent);
            box-shadow: 0 2px 12px var(--color-accent-glow);
        }
        .header__tab--active:hover {
            color: #0f0f1a;
            background: var(--color-accent-hover);
        }

        /* ========== Hero ========== */
        .hero {
            position: relative;
            min-height: 340px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background: var(--color-bg-dark);
            overflow: hidden;
            padding: var(--spacing-lg) var(--spacing-sm);
        }
        .hero__bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.35;
            filter: saturate(0.6) brightness(0.5);
            z-index: 0;
        }
        .hero__bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 15, 26, 0.85) 20%, rgba(26, 26, 46, 0.6) 80%);
            z-index: 1;
        }
        .hero__content {
            position: relative;
            z-index: 2;
            max-width: 800px;
        }
        .hero__badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: var(--color-badge-bg);
            color: var(--color-badge-text);
            font-size: var(--font-size-xs);
            font-weight: 700;
            padding: 0.3rem 1rem;
            border-radius: var(--radius-xl);
            letter-spacing: 0.3px;
            margin-bottom: 1rem;
            border: 1px solid var(--color-border);
        }
        .hero__title {
            font-size: var(--font-size-3xl);
            font-weight: 900;
            color: #fff;
            letter-spacing: 1px;
            margin-bottom: 0.75rem;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
        }
        .hero__title i {
            color: var(--color-accent);
            filter: drop-shadow(0 0 12px var(--color-accent-glow));
        }
        .hero__sub {
            font-size: var(--font-size-lg);
            color: var(--color-text-muted);
            max-width: 600px;
            margin: 0 auto 1.5rem;
            line-height: 1.6;
        }
        .hero__meta {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 1.5rem;
            flex-wrap: wrap;
            font-size: var(--font-size-sm);
            color: var(--color-text-dim);
        }
        .hero__meta span {
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .hero__meta i {
            color: var(--color-accent);
        }

        @media (min-width: 768px) {
            .hero {
                min-height: 400px;
                padding: var(--spacing-xl) var(--spacing-md);
            }
            .hero__title {
                font-size: var(--font-size-4xl);
            }
            .hero__sub {
                font-size: var(--font-size-xl);
            }
        }

        /* ========== Section common ========== */
        .section {
            padding: var(--spacing-lg) 0;
        }
        .section--dark {
            background: var(--color-bg-section);
        }
        .section--darker {
            background: var(--color-bg-dark);
        }

        .section__title {
            text-align: center;
            font-size: var(--font-size-2xl);
            font-weight: 800;
            margin-bottom: 0.5rem;
            color: #fff;
        }
        .section__title i {
            color: var(--color-accent);
            margin-right: 0.5rem;
        }
        .section__desc {
            text-align: center;
            color: var(--color-text-muted);
            max-width: 600px;
            margin: 0 auto var(--spacing-md);
            font-size: var(--font-size-base);
        }
        .section__divider {
            width: 60px;
            height: 3px;
            background: linear-gradient(90deg, var(--color-accent), transparent);
            border-radius: 4px;
            margin: 0.5rem auto var(--spacing-md);
        }

        @media (min-width: 768px) {
            .section {
                padding: var(--spacing-xl) 0;
            }
            .section__title {
                font-size: var(--font-size-3xl);
            }
        }

        /* ========== Intro Block ========== */
        .intro-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--spacing-md);
            align-items: center;
        }
        .intro-grid__image img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            width: 100%;
            object-fit: cover;
            height: 260px;
        }
        .intro-grid__text h2 {
            font-size: var(--font-size-xl);
            margin-bottom: 0.75rem;
            color: #fff;
        }
        .intro-grid__text p {
            color: var(--color-text-muted);
            line-height: 1.8;
            margin-bottom: 0.75rem;
        }
        .intro-grid__text .tag-group {
            margin-top: 1rem;
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .tag {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            background: var(--color-badge-bg);
            color: var(--color-badge-text);
            font-size: var(--font-size-xs);
            font-weight: 600;
            padding: 0.25rem 0.9rem;
            border-radius: var(--radius-xl);
            border: 1px solid var(--color-border);
            transition: background var(--transition), transform var(--transition);
        }
        .tag:hover {
            background: rgba(245, 166, 35, 0.2);
            transform: translateY(-1px);
        }

        @media (min-width: 768px) {
            .intro-grid {
                grid-template-columns: 1fr 1fr;
            }
            .intro-grid__image img {
                height: 300px;
            }
        }

        /* ========== Card Grid ========== */
        .card-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--spacing-md);
        }
        .card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
            display: flex;
            flex-direction: column;
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-border);
        }
        .card__image {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background: var(--color-bg-dark);
        }
        .card__image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .card:hover .card__image img {
            transform: scale(1.04);
        }
        .card__badge {
            position: absolute;
            top: 0.75rem;
            left: 0.75rem;
            background: var(--color-accent);
            color: #0f0f1a;
            font-size: var(--font-size-xs);
            font-weight: 700;
            padding: 0.2rem 0.8rem;
            border-radius: var(--radius-sm);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
        }
        .card__body {
            padding: 1.2rem 1.25rem 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card__meta {
            display: flex;
            align-items: center;
            gap: 1rem;
            font-size: var(--font-size-xs);
            color: var(--color-text-dim);
            margin-bottom: 0.5rem;
        }
        .card__meta span {
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }
        .card__meta i {
            color: var(--color-accent);
            font-size: 0.7rem;
        }
        .card__title {
            font-size: var(--font-size-lg);
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.5rem;
            line-height: 1.35;
            transition: color var(--transition);
        }
        .card:hover .card__title {
            color: var(--color-accent);
        }
        .card__excerpt {
            color: var(--color-text-muted);
            font-size: var(--font-size-sm);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 0.75rem;
        }
        .card__footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.5rem;
            padding-top: 0.75rem;
            border-top: 1px solid var(--color-border-light);
        }
        .card__tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.35rem;
        }
        .card__tags .tag {
            font-size: 0.65rem;
            padding: 0.15rem 0.6rem;
        }
        .card__link {
            color: var(--color-accent);
            font-size: var(--font-size-sm);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            transition: gap var(--transition);
        }
        .card__link:hover {
            gap: 0.6rem;
            color: var(--color-accent-hover);
        }

        @media (min-width: 576px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 992px) {
            .card-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .card-grid--wide {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        /* ========== Stats ========== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-sm);
        }
        .stat-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            padding: 1.5rem 1rem;
            text-align: center;
            border: 1px solid var(--color-border-light);
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .stat-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
            border-color: var(--color-border);
        }
        .stat-card__icon {
            font-size: 2rem;
            color: var(--color-accent);
            margin-bottom: 0.4rem;
            filter: drop-shadow(0 0 10px var(--color-accent-glow));
        }
        .stat-card__number {
            font-size: var(--font-size-2xl);
            font-weight: 900;
            color: #fff;
            line-height: 1.2;
        }
        .stat-card__label {
            font-size: var(--font-size-sm);
            color: var(--color-text-muted);
            margin-top: 0.2rem;
        }

        @media (min-width: 576px) {
            .stats-grid {
                grid-template-columns: repeat(4, 1fr);
                gap: var(--spacing-md);
            }
        }

        /* ========== Tags Cloud ========== */
        .tags-cloud {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 0.6rem;
            max-width: 700px;
            margin: 0 auto;
        }
        .tags-cloud .tag {
            font-size: var(--font-size-sm);
            padding: 0.4rem 1.2rem;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition);
        }
        .tags-cloud .tag:hover {
            background: var(--color-accent);
            color: #0f0f1a;
            border-color: var(--color-accent);
            transform: translateY(-2px);
            box-shadow: 0 4px 16px var(--color-accent-glow);
        }
        .tags-cloud .tag i {
            font-size: 0.75rem;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }
        .faq-item {
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: border-color var(--transition);
        }
        .faq-item:hover {
            border-color: var(--color-border);
        }
        .faq-item__question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1rem 1.25rem;
            font-weight: 700;
            font-size: var(--font-size-base);
            color: #fff;
            cursor: pointer;
            gap: 1rem;
            transition: background var(--transition);
            user-select: none;
        }
        .faq-item__question:hover {
            background: rgba(255, 255, 255, 0.03);
        }
        .faq-item__question i {
            color: var(--color-accent);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item.active .faq-item__question i {
            transform: rotate(180deg);
        }
        .faq-item__answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 1.25rem;
            color: var(--color-text-muted);
            font-size: var(--font-size-sm);
            line-height: 1.7;
        }
        .faq-item.active .faq-item__answer {
            max-height: 300px;
            padding: 0 1.25rem 1.25rem;
        }

        /* ========== CTA ========== */
        .cta-block {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md) var(--spacing-sm);
            text-align: center;
            border: 1px solid var(--color-border);
            background-image: radial-gradient(circle at 20% 30%, rgba(245, 166, 35, 0.05) 0%, transparent 60%);
        }
        .cta-block h2 {
            font-size: var(--font-size-xl);
            margin-bottom: 0.5rem;
            color: #fff;
        }
        .cta-block p {
            color: var(--color-text-muted);
            max-width: 500px;
            margin: 0 auto 1.5rem;
            font-size: var(--font-size-base);
        }
        .cta-block .btn-group {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.75rem;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.7rem 1.8rem;
            border-radius: var(--radius-xl);
            font-weight: 700;
            font-size: var(--font-size-base);
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            border: none;
            cursor: pointer;
        }
        .btn--primary {
            background: var(--color-accent);
            color: #0f0f1a;
        }
        .btn--primary:hover {
            background: var(--color-accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 24px var(--color-accent-glow);
            color: #0f0f1a;
        }
        .btn--outline {
            background: transparent;
            color: var(--color-text);
            border: 1px solid var(--color-border);
        }
        .btn--outline:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }

        @media (min-width: 768px) {
            .cta-block {
                padding: var(--spacing-lg) var(--spacing-md);
            }
            .cta-block h2 {
                font-size: var(--font-size-2xl);
            }
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--color-bg-dark);
            border-top: 1px solid var(--color-border-light);
            padding: var(--spacing-lg) 0 0;
            margin-top: var(--spacing-lg);
        }
        .footer__grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--spacing-md);
        }
        .footer__brand {
            font-size: var(--font-size-xl);
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin-bottom: 0.5rem;
        }
        .footer__brand i {
            color: var(--color-accent);
            filter: drop-shadow(0 0 8px var(--color-accent-glow));
        }
        .footer__desc {
            color: var(--color-text-dim);
            font-size: var(--font-size-sm);
            max-width: 320px;
            line-height: 1.7;
            margin-bottom: 1rem;
        }
        .footer__social {
            display: flex;
            gap: 0.75rem;
        }
        .footer__social a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            color: var(--color-text-muted);
            font-size: 1.1rem;
            transition: background var(--transition), color var(--transition), transform var(--transition);
            border: 1px solid var(--color-border-light);
        }
        .footer__social a:hover {
            background: var(--color-accent);
            color: #0f0f1a;
            transform: translateY(-2px);
            border-color: var(--color-accent);
        }
        .footer__col-title {
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.75rem;
            font-size: var(--font-size-base);
        }
        .footer__links {
            display: flex;
            flex-direction: column;
            gap: 0.4rem;
        }
        .footer__links a {
            color: var(--color-text-dim);
            font-size: var(--font-size-sm);
            transition: color var(--transition), padding-left var(--transition);
        }
        .footer__links a:hover {
            color: var(--color-accent);
            padding-left: 4px;
        }
        .footer__bottom {
            border-top: 1px solid var(--color-border-light);
            margin-top: var(--spacing-md);
            padding: 1.2rem 0;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.4rem;
            font-size: var(--font-size-xs);
            color: var(--color-text-dim);
            text-align: center;
        }
        .footer__bottom a {
            color: var(--color-text-muted);
        }
        .footer__bottom a:hover {
            color: var(--color-accent);
        }

        @media (min-width: 576px) {
            .footer__grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 992px) {
            .footer__grid {
                grid-template-columns: 2fr 1fr 1fr 1fr;
            }
            .footer__bottom {
                flex-direction: row;
                justify-content: space-between;
            }
        }

        /* ========== Responsive extras ========== */
        @media (max-width: 575px) {
            .header__row {
                flex-direction: column;
                align-items: stretch;
                gap: 0.4rem;
            }
            .header__brand {
                justify-content: center;
                font-size: var(--font-size-lg);
            }
            .header__actions {
                justify-content: center;
                flex-wrap: wrap;
            }
            .header__search {
                min-width: 140px;
                flex: 1;
                max-width: 240px;
            }
            .header__cta {
                font-size: var(--font-size-xs);
                padding: 0.35rem 0.9rem;
            }
            .header__tabs {
                justify-content: center;
                padding: 0.3rem 0;
            }
            .header__tab {
                font-size: var(--font-size-xs);
                padding: 0.35rem 0.9rem;
            }
            .hero__title {
                font-size: var(--font-size-2xl);
            }
            .hero__sub {
                font-size: var(--font-size-base);
            }
            .hero__meta {
                gap: 0.75rem;
                font-size: var(--font-size-xs);
            }
            .section__title {
                font-size: var(--font-size-xl);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 0.75rem;
            }
            .stat-card__number {
                font-size: var(--font-size-xl);
            }
            .cta-block h2 {
                font-size: var(--font-size-lg);
            }
            .btn {
                padding: 0.55rem 1.2rem;
                font-size: var(--font-size-sm);
            }
        }

        @media (max-width: 380px) {
            .header__search {
                min-width: 100px;
            }
            .header__tabs {
                gap: 0.1rem;
            }
            .header__tab {
                padding: 0.3rem 0.6rem;
                font-size: 0.7rem;
            }
            .hero__title {
                font-size: var(--font-size-xl);
            }
            .card__body {
                padding: 0.9rem 1rem 1.2rem;
            }
        }

        /* ========== Utility ========== */
        .text-center {
            text-align: center;
        }
        .mt-sm {
            margin-top: var(--spacing-sm);
        }
        .mt-md {
            margin-top: var(--spacing-md);
        }
        .mb-sm {
            margin-bottom: var(--spacing-sm);
        }
        .mb-md {
            margin-bottom: var(--spacing-md);
        }

        /* ========== Smooth scroll & focus ========== */
        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                transition-duration: 0.01ms !important;
                animation-duration: 0.01ms !important;
            }
            html {
                scroll-behavior: auto;
            }
        }