/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --color-bg: #F6F4EF;
            --color-dark: #121212;
            --color-primary: #C8F542;
            --color-secondary: #7B61FF;
            --color-accent: #FF4D00;
            --color-text: #171717;
            --color-muted: #6F6A61;
            --color-border: #E5E0D6;
            --radius-sm: 12px;
            --radius-md: 20px;
            --radius-lg: 28px;
            --radius-pill: 999px;
            --shadow-card: 0 2px 8px rgba(18, 18, 18, 0.04);
            --shadow-hover: 0 12px 32px rgba(18, 18, 18, 0.10);
            --shadow-dark: 0 8px 24px rgba(0, 0, 0, 0.35);
            --space-section: clamp(4rem, 8vw, 7rem);
            --font-main: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
        }

        /* ===== Reset / 基础 ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background: var(--color-bg);
            color: var(--color-text);
            font-family: var(--font-main);
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }
        img {
            display: block;
            max-width: 100%;
            height: auto;
            object-fit: cover;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color .2s ease;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        input {
            font-family: inherit;
        }
        ul,
        ol {
            margin-left: 1.2rem;
            margin-bottom: 1.5rem;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-secondary);
            outline-offset: 3px;
        }

        /* ===== 排版 ===== */
        h1,
        h2,
        h3,
        h4 {
            line-height: 1.3;
            margin-bottom: .5em;
        }
        h1 {
            font-size: clamp(2.25rem, 4vw, 3.5rem);
            font-weight: 800;
            line-height: 1.2;
        }
        h2 {
            font-size: clamp(1.5rem, 2.5vw, 2rem);
            font-weight: 750;
            margin-bottom: .8em;
        }
        h3 {
            font-size: 1.125rem;
            font-weight: 650;
        }
        p {
            margin-bottom: 1.5em;
            text-align: justify;
        }

        /* ===== 容器 ===== */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            width: 100%;
            padding-left: clamp(1rem, 4vw, 2rem);
            padding-right: clamp(1rem, 4vw, 2rem);
        }
        .container--narrow {
            max-width: 840px;
        }

        /* ===== 板块 ===== */
        .section {
            padding: var(--space-section) 0;
        }
        .section__head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 1rem;
            margin-bottom: 2rem;
            flex-wrap: wrap;
        }
        .section__title {
            margin-bottom: 0;
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 44px;
            padding: 0 26px;
            border-radius: var(--radius-pill);
            font-size: 15px;
            font-weight: 600;
            transition: all .25s ease;
            white-space: nowrap;
            cursor: pointer;
            line-height: 1;
            border: 1px solid transparent;
        }
        .btn:active {
            transform: scale(0.98);
        }
        .btn--accent {
            background: var(--color-accent);
            color: #fff;
        }
        .btn--accent:hover {
            background: #e64600;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255, 77, 0, 0.28);
        }
        .btn--ghost {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.4);
        }
        .btn--ghost:hover {
            background: rgba(255, 255, 255, 0.10);
            color: #fff;
        }
        .btn--outline {
            background: transparent;
            color: var(--color-text);
            border-color: var(--color-border);
        }
        .btn--outline:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
        }
        .btn--lg {
            height: 52px;
            padding: 0 32px;
            font-size: 16px;
        }
        .btn--sm {
            min-height: 40px;
            padding: 0 18px;
            font-size: 14px;
        }
        .btn.is-success {
            background: var(--color-primary);
            color: #121212;
        }

        /* ===== 悬浮胶囊导航 ===== */
        .site-header {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            width: min(1200px, calc(100% - 32px));
            height: 60px;
            z-index: 1000;
            background: rgba(18, 18, 18, 0.85);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-radius: var(--radius-pill);
            border: 1px solid rgba(255, 255, 255, 0.10);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.18);
            transition: background .3s ease, box-shadow .3s ease;
        }
        .site-header--scrolled {
            background: rgba(18, 18, 18, 0.97);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.32);
        }
        .site-header__inner {
            display: flex;
            align-items: center;
            height: 100%;
            padding: 6px 12px 6px 20px;
            gap: 8px;
            position: relative;
        }
        .site-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-weight: 700;
            font-size: 17px;
            white-space: nowrap;
        }
        .site-logo__mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: var(--color-primary);
            color: #121212;
            font-size: 18px;
            font-weight: 800;
            flex-shrink: 0;
        }
        .site-nav {
            display: flex;
            align-items: center;
            gap: 2px;
            margin-left: auto;
        }
        .site-nav__link {
            color: rgba(255, 255, 255, 0.78);
            font-size: 14.5px;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: var(--radius-pill);
            transition: color .2s ease, background .2s ease;
        }
        .site-nav__link:hover {
            color: var(--color-primary);
        }
        .site-nav__link.is-active {
            color: var(--color-primary);
            background: rgba(200, 245, 66, 0.08);
        }
        .site-header__cta {
            flex-shrink: 0;
        }
        .site-header__toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 4px;
            width: 42px;
            height: 42px;
            border-radius: var(--radius-pill);
            background: rgba(255, 255, 255, 0.10);
            border: 1px solid rgba(255, 255, 255, 0.12);
        }
        .toggle-bar {
            width: 18px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: transform .3s ease, opacity .3s ease;
        }
        .site-nav__close {
            display: none;
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            background: var(--color-dark);
            color: #fff;
            padding: 150px 0 90px;
            overflow: hidden;
        }
        .hero__media {
            position: absolute;
            inset: 0;
            z-index: 0;
        }
        .hero__media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.45;
        }
        .hero__overlay {
            position: absolute;
            inset: 0;
            z-index: 1;
            background: linear-gradient(180deg, rgba(18, 18, 18, 0.72) 0%, rgba(18, 18, 18, 0.45) 60%, rgba(18, 18, 18, 0.92) 100%);
        }
        .hero::before {
            content: "";
            position: absolute;
            inset: 0;
            z-index: 2;
            background-image: radial-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px);
            background-size: 20px 20px;
            pointer-events: none;
        }
        .hero__content {
            position: relative;
            z-index: 3;
            max-width: 1160px;
            margin: 0 auto;
            padding-left: clamp(1rem, 4vw, 2rem);
            padding-right: clamp(1rem, 4vw, 2rem);
        }
        .hero__live {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            background: rgba(18, 18, 18, 0.55);
            border: 1px solid rgba(255, 255, 255, 0.15);
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            color: #fff;
            margin-bottom: 22px;
        }
        .live-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #ff4d4d;
            animation: pulse 1.6s infinite;
        }
        @keyframes pulse {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(255, 77, 77, 0.6);
            }
            50% {
                box-shadow: 0 0 0 6px rgba(255, 77, 77, 0);
            }
        }
        .hero__title {
            color: #fff;
            max-width: 800px;
            margin-bottom: 20px;
        }
        .hero__subtitle {
            color: rgba(255, 255, 255, 0.82);
            font-size: 1.125rem;
            max-width: 720px;
            margin-bottom: 32px;
            text-align: left;
        }
        .hero__actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 48px;
        }
        .hero__countdown {
            display: flex;
            gap: 10px;
            margin-bottom: 42px;
            flex-wrap: wrap;
        }
        .countdown-item {
            background: rgba(255, 255, 255, 0.08);
            border-radius: 16px;
            padding: 16px 14px;
            min-width: 76px;
            text-align: center;
            border: 1px solid rgba(255, 255, 255, 0.10);
            transition: box-shadow .3s ease;
        }
        .countdown-item.is-flash {
            box-shadow: 0 0 0 3px var(--color-primary);
        }
        .countdown-num {
            display: block;
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            font-variant-numeric: tabular-nums;
            line-height: 1.2;
        }
        .countdown-label {
            display: block;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 4px;
            letter-spacing: 0.06em;
        }
        .hero__meta {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            color: rgba(255, 255, 255, 0.70);
            font-size: 14px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
        }
        .hero__divider {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 3px;
            z-index: 4;
            background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
        }

        /* ===== 看点横向滚动 ===== */
        .highlight-scroll {
            display: flex;
            gap: 16px;
            overflow-x: auto;
            scroll-snap-type: x mandatory;
            padding-bottom: 10px;
            scrollbar-width: none;
        }
        .highlight-scroll::-webkit-scrollbar {
            display: none;
        }
        .highlight-card {
            min-width: 280px;
            max-width: 320px;
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 20px;
            scroll-snap-align: start;
            box-shadow: var(--shadow-card);
            transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
            flex: 0 0 auto;
        }
        .highlight-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--color-primary);
        }
        .highlight-card__num {
            display: inline-block;
            background: var(--color-primary);
            color: #121212;
            font-size: 13px;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 8px;
            margin-bottom: 14px;
        }
        .highlight-card__title {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
            text-align: left;
        }
        .highlight-card__desc {
            font-size: 14px;
            color: var(--color-muted);
            margin-bottom: 14px;
            text-align: left;
        }
        .highlight-card__part {
            font-size: 12.5px;
            color: var(--color-muted);
            border-top: 1px solid var(--color-border);
            padding-top: 12px;
            text-align: left;
        }
        .scroll-arrows {
            display: flex;
            gap: 8px;
        }
        .scroll-arrow {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: #fff;
            border: 1px solid var(--color-border);
            color: var(--color-text);
            font-size: 18px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: all .25s ease;
        }
        .scroll-arrow:hover {
            background: var(--color-primary);
            color: #121212;
        }

        /* ===== 分类图文入口 ===== */
        .category-feature {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            margin-bottom: 56px;
        }
        .category-feature:last-child {
            margin-bottom: 0;
        }
        .category-feature--reverse .category-feature__media {
            order: 2;
        }
        .category-feature__media {
            border-radius: var(--radius-lg);
            overflow: hidden;
            position: relative;
            box-shadow: var(--shadow-card);
        }
        .category-feature__media img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
        }
        .category-feature__badge {
            position: absolute;
            top: 16px;
            left: 16px;
            background: rgba(18, 18, 18, 0.78);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            backdrop-filter: blur(8px);
        }
        .category-feature__content {
            padding: 8px 0;
        }
        .category-feature__tag {
            color: var(--color-secondary);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.05em;
            display: block;
            margin-bottom: 10px;
        }
        .category-feature__title {
            font-size: 1.5rem;
            font-weight: 750;
            margin-bottom: 12px;
            text-align: left;
        }
        .category-feature__desc {
            color: var(--color-muted);
            margin-bottom: 12px;
            text-align: left;
        }
        .category-quote {
            border-left: 4px solid var(--color-primary);
            background: #fff;
            padding: 14px 18px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-size: 14.5px;
            color: var(--color-text);
            margin-bottom: 20px;
            text-align: left;
        }
        .category-feature__actions {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        /* ===== 订阅区 ===== */
        .subscribe-panel {
            background: var(--color-dark);
            border-radius: var(--radius-lg);
            padding: clamp(24px, 4vw, 48px);
            position: relative;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 40px;
            flex-wrap: wrap;
            overflow: hidden;
            box-shadow: var(--shadow-dark);
        }
        .subscribe-panel::before {
            content: "";
            position: absolute;
            top: 28px;
            left: 28px;
            width: 10px;
            height: 64px;
            background: var(--color-primary);
            border-radius: 6px;
        }
        .subscribe-panel__content {
            flex: 1 1 300px;
            padding-left: 28px;
        }
        .subscribe-panel__content h2 {
            color: #fff;
            margin-bottom: 8px;
            text-align: left;
        }
        .subscribe-panel__content p {
            color: rgba(255, 255, 255, 0.72);
            margin-bottom: 0;
            text-align: left;
        }
        .subscribe-form {
            flex: 1 1 380px;
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .subscribe-form__input {
            flex: 1 1 220px;
            height: 52px;
            border-radius: var(--radius-pill);
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid transparent;
            padding: 0 20px;
            color: #fff;
            font-size: 15px;
            transition: border-color .3s ease, background .3s ease;
        }
        .subscribe-form__input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }
        .subscribe-form__input:focus {
            outline: none;
            border-color: var(--color-primary);
            background: rgba(255, 255, 255, 0.16);
        }
        .subscribe-form__success {
            display: none;
            color: var(--color-primary);
            font-size: 14px;
            margin: 0;
            flex-basis: 100%;
            text-align: center;
        }

        /* ===== 资讯卡片 ===== */
        .news-card {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            height: 100%;
            box-shadow: var(--shadow-card);
            transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
        }
        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--color-primary);
        }
        .news-card__link {
            display: block;
            height: 100%;
        }
        .news-card__thumb {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background-color: #1e1e1e;
        }
        .news-card__thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .news-card:hover .news-card__thumb img {
            transform: scale(1.05);
        }
        .news-card__body {
            padding: 20px;
        }
        .news-card__cat {
            display: inline-block;
            background: rgba(123, 97, 255, 0.10);
            color: var(--color-secondary);
            font-size: 12px;
            font-weight: 600;
            border-radius: var(--radius-pill);
            padding: 4px 12px;
            margin-bottom: 12px;
        }
        .news-card__title {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            text-align: left;
        }
        .news-card__excerpt {
            font-size: 14px;
            color: var(--color-muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 16px;
            text-align: left;
        }
        .news-card__meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid var(--color-border);
            padding-top: 14px;
            font-size: 13px;
            color: var(--color-muted);
        }
        .news-card__arrow {
            color: var(--color-secondary);
            font-size: 18px;
            line-height: 1;
        }
        .news-empty {
            border: 2px dashed var(--color-border);
            border-radius: var(--radius-md);
            padding: 60px 20px;
            text-align: center;
            color: var(--color-muted);
            background: #fff;
            font-size: 15px;
        }

        /* ===== 回放卡片 ===== */
        .replay-card {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: transform .3s ease, box-shadow .3s ease;
            height: 100%;
        }
        .replay-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .replay-card__media {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: #1e1e1e;
        }
        .replay-card__media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .replay-card__duration {
            position: absolute;
            right: 12px;
            bottom: 12px;
            background: rgba(18, 18, 18, 0.85);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 8px;
        }
        .replay-card__play {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.22);
            backdrop-filter: blur(6px);
            color: #fff;
            font-size: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background .3s ease, transform .3s ease;
        }
        .replay-card:hover .replay-card__play {
            background: var(--color-accent);
            transform: translate(-50%, -50%) scale(1.08);
        }
        .replay-card__body {
            padding: 20px;
        }
        .replay-card__title {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
            text-align: left;
        }
        .replay-card__views {
            font-size: 13px;
            color: var(--color-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .replay-card__views i {
            color: var(--color-secondary);
            font-size: 14px;
        }

        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: 16px;
            overflow: hidden;
            transition: background .3s ease;
        }
        .faq-item.is-open {
            background: #F0EDE6;
        }
        .faq-item__q {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: 18px 22px;
            background: transparent;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            text-align: left;
            position: relative;
        }
        .faq-item.is-open .faq-item__q::before {
            content: "";
            position: absolute;
            left: 0;
            top: 20%;
            bottom: 20%;
            width: 4px;
            border-radius: 4px;
            background: var(--color-primary);
        }
        .faq-item__icon {
            position: relative;
            width: 20px;
            height: 20px;
            flex-shrink: 0;
        }
        .faq-item__icon::before,
        .faq-item__icon::after {
            content: "";
            position: absolute;
            background: var(--color-text);
            transition: transform .3s ease, opacity .3s ease;
        }
        .faq-item__icon::before {
            top: 9px;
            left: 0;
            width: 20px;
            height: 2px;
            border-radius: 2px;
        }
        .faq-item__icon::after {
            top: 0;
            left: 9px;
            width: 2px;
            height: 20px;
            border-radius: 2px;
        }
        .faq-item.is-open .faq-item__icon::after {
            transform: rotate(90deg);
            opacity: 0;
        }
        .faq-item__a {
            max-height: 0;
            overflow: hidden;
            transition: max-height .3s ease;
        }
        .faq-item__a p {
            padding: 0 22px 18px;
            margin: 0;
        }

        /* ===== CTA 横幅 ===== */
        .cta-banner {
            background: linear-gradient(135deg, var(--color-dark) 0%, #1e1e1e 100%);
            border-radius: var(--radius-lg);
            padding: clamp(32px, 5vw, 64px);
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
            background-image: radial-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px);
            background-size: 20px 20px;
            box-shadow: var(--shadow-dark);
        }
        .cta-banner h2 {
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-banner p {
            color: rgba(255, 255, 255, 0.72);
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
            margin-bottom: 28px;
            text-align: center;
        }
        .cta-banner__actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--color-dark);
            color: #fff;
            border-top: 3px solid var(--color-primary);
            padding: clamp(48px, 6vw, 80px) 0 32px;
            margin-top: clamp(4rem, 8vw, 7rem);
            background-image: radial-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px);
            background-size: 20px 20px;
        }
        .site-footer__brand .site-logo {
            margin-bottom: 14px;
        }
        .site-footer__brand p {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            margin-bottom: 1rem;
        }
        .site-footer__col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 16px;
            text-align: left;
        }
        .site-footer__col a {
            color: rgba(255, 255, 255, 0.65);
            display: block;
            margin-bottom: 10px;
            font-size: 14px;
            transition: color .2s ease;
        }
        .site-footer__col a:hover {
            color: var(--color-primary);
        }
        .site-footer__subscribe-input {
            height: 44px;
            border-radius: var(--radius-pill);
            background: rgba(255, 255, 255, 0.10);
            border: 1px solid transparent;
            padding: 0 16px;
            color: #fff;
            font-size: 14px;
            width: 100%;
            margin-bottom: 10px;
        }
        .site-footer__subscribe-input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }
        .site-footer__subscribe-input:focus {
            outline: none;
            border-color: var(--color-primary);
        }
        .site-footer__bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.10);
            margin-top: 48px;
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: rgba(255, 255, 255, 0.50);
            font-size: 13px;
            gap: 12px;
            flex-wrap: wrap;
        }

        /* ===== Foundation 栅格微调 ===== */
        .grid-x {
            display: flex;
            flex-wrap: wrap;
        }
        .grid-x > .cell {
            margin-bottom: 20px;
        }
        .grid-margin-x > .cell {
            margin-bottom: 24px;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .category-feature {
                gap: 32px;
            }
            .category-feature__title {
                font-size: 1.3rem;
            }
            .subscribe-panel {
                gap: 28px;
            }
        }
        @media (max-width: 768px) {
            .site-header {
                height: 56px;
            }
            .site-nav {
                display: none;
                position: absolute;
                top: calc(100% + 12px);
                left: 0;
                right: 0;
                background: rgba(18, 18, 18, 0.97);
                backdrop-filter: blur(14px);
                -webkit-backdrop-filter: blur(14px);
                border-radius: var(--radius-md);
                padding: 18px;
                flex-direction: column;
                gap: 12px;
                border: 1px solid rgba(255, 255, 255, 0.10);
                box-shadow: var(--shadow-dark);
            }
            .site-nav--open {
                display: flex;
            }
            .site-nav__link {
                width: 100%;
                padding: 12px 16px;
                font-size: 16px;
            }
            .site-nav__close {
                display: block;
                align-self: flex-end;
                width: 32px;
                height: 32px;
                color: #fff;
                font-size: 24px;
                line-height: 1;
                border-radius: 8px;
                transition: background .2s ease;
            }
            .site-nav__close:hover {
                background: rgba(255, 255, 255, 0.10);
            }
            .site-header__toggle {
                display: inline-flex;
            }
            .category-feature {
                grid-template-columns: 1fr;
            }
            .category-feature--reverse .category-feature__media {
                order: 0;
            }
            .subscribe-panel {
                flex-direction: column;
                align-items: stretch;
            }
            .subscribe-panel__content {
                padding-left: 0;
            }
            .subscribe-panel::before {
                left: auto;
                right: 28px;
                width: 64px;
                height: 10px;
            }
            .hero__countdown {
                gap: 8px;
            }
            .countdown-item {
                min-width: 64px;
                padding: 12px 10px;
            }
            .countdown-num {
                font-size: 1.5rem;
            }
            .hero__actions .btn {
                flex: 1 1 100%;
            }
            .hero__meta {
                gap: 12px;
            }
            .site-footer__bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }
        @media (max-width: 520px) {
            .site-header {
                width: calc(100% - 20px);
                top: 10px;
            }
            .site-logo__text {
                font-size: 15px;
            }
            .site-header__cta {
                display: none;
            }
            .hero {
                padding-top: 110px;
                padding-bottom: 64px;
            }
            .highlight-card {
                min-width: 82vw;
            }
            .scroll-arrows {
                display: none;
            }
            .category-feature {
                gap: 24px;
            }
            .category-feature__actions .btn {
                width: 100%;
            }
            .cta-banner__actions .btn {
                width: 100%;
            }
        }

/* roulang page: category1 */
/* ========== 设计变量 ========== */
        :root {
            --color-bg: #F6F4EF;
            --color-dark: #121212;
            --color-primary: #C8F542;
            --color-secondary: #7B61FF;
            --color-accent: #FF4D00;
            --color-text: #171717;
            --color-muted: #6F6A61;
            --color-border: #E5E0D6;
            --radius-sm: 12px;
            --radius-md: 20px;
            --radius-lg: 28px;
            --radius-pill: 999px;
            --shadow-card: 0 2px 8px rgba(18, 18, 18, 0.04);
            --shadow-hover: 0 12px 32px rgba(18, 18, 18, 0.10);
            --shadow-dark: 0 8px 24px rgba(0, 0, 0, 0.35);
            --space-section: clamp(4rem, 8vw, 7rem);
            --space-card: 1.5rem;
        }

        /* ========== Reset / Base ========== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            font-size: 16px;
            line-height: 1.75;
            background: var(--color-bg);
            color: var(--color-text);
            -webkit-font-smoothing: antialiased;
            padding-top: 76px;
        }

        img {
            display: block;
            max-width: 100%;
            object-fit: cover;
            border-radius: var(--radius-md);
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease;
        }

        button,
        input {
            font-family: inherit;
            font-size: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        :focus-visible {
            outline: 2px solid var(--color-secondary);
            outline-offset: 3px;
            border-radius: 6px;
        }

        /* ========== 容器 ========== */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 clamp(1rem, 4vw, 2rem);
        }

        .section-head {
            text-align: center;
            margin-bottom: 3rem;
        }

        .section-head h2 {
            margin: 0.5rem 0 0.4rem;
            font-size: clamp(1.5rem, 2.5vw, 2rem);
            font-weight: 750;
            line-height: 1.3;
        }

        .section-head p {
            color: var(--color-muted);
            max-width: 560px;
            margin: 0 auto;
            font-size: 1rem;
        }

        /* ========== 按钮 ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 44px;
            padding: 0 28px;
            border-radius: var(--radius-pill);
            font-size: 0.95rem;
            font-weight: 650;
            line-height: 1.2;
            border: 1px solid transparent;
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .btn:active {
            transform: scale(0.98);
        }

        .btn--accent {
            background: var(--color-accent);
            color: #fff;
            box-shadow: 0 4px 14px rgba(255, 77, 0, 0.28);
        }

        .btn--accent:hover {
            background: #ff6a20;
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(255, 77, 0, 0.35);
            color: #fff;
        }

        .btn--outline {
            background: transparent;
            color: var(--color-text);
            border-color: #d0cbc0;
        }

        .btn--outline:hover {
            border-color: var(--color-primary);
            color: var(--color-text);
            background: rgba(200, 245, 66, 0.08);
            transform: translateY(-2px);
        }

        .btn--sm {
            min-height: 40px;
            padding: 0 20px;
            font-size: 0.88rem;
        }

        .btn--light-outline {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.4);
        }

        .btn--light-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            border-color: rgba(255, 255, 255, 0.7);
        }

        /* ========== 标签 ========== */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            background: rgba(123, 97, 255, 0.1);
            color: var(--color-secondary);
            border: 1px solid rgba(123, 97, 255, 0.15);
        }

        .badge--primary {
            background: rgba(200, 245, 66, 0.2);
            color: #3f6b00;
            border-color: rgba(200, 245, 66, 0.4);
        }

        .badge--dark {
            background: rgba(255, 255, 255, 0.1);
            color: var(--color-primary);
            border-color: rgba(255, 255, 255, 0.15);
        }

        /* ========== 导航 ========== */
        .site-header {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            width: min(1200px, calc(100% - 32px));
            height: 60px;
            background: rgba(18, 18, 18, 0.85);
            -webkit-backdrop-filter: blur(14px);
            backdrop-filter: blur(14px);
            border-radius: var(--radius-pill);
            padding: 6px 12px 6px 20px;
            border: 1px solid rgba(255, 255, 255, 0.10);
            z-index: 1000;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
            transition: background 0.3s ease, box-shadow 0.3s ease;
        }

        .site-header.is-scrolled {
            background: rgba(18, 18, 18, 0.97);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.28);
        }

        .site-header__inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 24px;
        }

        .site-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-weight: 700;
            font-size: 1.05rem;
            text-decoration: none;
            flex-shrink: 0;
        }

        .site-logo__mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--color-primary);
            color: #121212;
            font-size: 1.2rem;
            font-weight: 800;
            flex-shrink: 0;
        }

        .site-logo__text {
            white-space: nowrap;
        }

        .site-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
        }

        .site-nav__link {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.9rem;
            font-weight: 500;
            transition: all 0.25s ease;
            position: relative;
        }

        .site-nav__link:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }

        .site-nav__link.is-active {
            color: var(--color-primary);
            background: rgba(200, 245, 66, 0.1);
        }

        .site-nav__link.is-active::after {
            content: "";
            position: absolute;
            bottom: 2px;
            left: 18px;
            right: 18px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
        }

        .site-header__cta {
            flex-shrink: 0;
        }

        .site-header__toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 42px;
            height: 42px;
            border-radius: var(--radius-pill);
            background: rgba(255, 255, 255, 0.1);
            padding: 10px;
            flex-shrink: 0;
            align-items: center;
        }

        .toggle-bar {
            display: block;
            width: 20px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        .site-nav__close {
            display: none;
        }

        /* ========== Hero ========== */
        .category-hero {
            position: relative;
            padding: clamp(3rem, 6vw, 5rem) 0;
            background: var(--color-bg);
            overflow: hidden;
        }

        .category-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') right center / cover no-repeat;
            opacity: 0.07;
            z-index: 0;
            pointer-events: none;
        }

        .category-hero::after {
            content: "";
            position: absolute;
            top: -80px;
            right: -60px;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(200, 245, 66, 0.25) 0%, transparent 70%);
            z-index: 0;
            pointer-events: none;
        }

        .category-hero .container {
            position: relative;
            z-index: 1;
        }

        .category-hero__content {
            padding-right: 24px;
        }

        .category-hero h1 {
            font-size: clamp(2rem, 4vw, 3.2rem);
            font-weight: 800;
            line-height: 1.2;
            margin: 1rem 0 1rem;
            color: var(--color-text);
            letter-spacing: -0.01em;
        }

        .category-hero h1 .highlight {
            color: var(--color-accent);
            position: relative;
            white-space: nowrap;
        }

        .category-hero__desc {
            font-size: 1.1rem;
            color: var(--color-muted);
            max-width: 460px;
            margin-bottom: 2rem;
            line-height: 1.8;
        }

        .category-hero__actions {
            display: flex;
            gap: 14px;
            margin-bottom: 2.5rem;
            flex-wrap: wrap;
        }

        .category-hero__stats {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            padding-top: 1.5rem;
            border-top: 1px solid var(--color-border);
        }

        .stat-item {
            display: flex;
            flex-direction: column;
        }

        .stat-item strong {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--color-text);
            line-height: 1.3;
        }

        .stat-item strong em {
            font-style: normal;
            color: var(--color-secondary);
        }

        .stat-item span {
            font-size: 0.85rem;
            color: var(--color-muted);
            margin-top: 2px;
        }

        .category-hero__visual {
            position: relative;
        }

        .category-hero__visual img {
            width: 100%;
            height: 420px;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-hover);
            object-fit: cover;
            border: 1px solid rgba(255, 255, 255, 0.6);
        }

        .category-hero__visual .hero-float-tag {
            position: absolute;
            bottom: 18px;
            left: 18px;
            background: rgba(18, 18, 18, 0.82);
            color: #fff;
            padding: 10px 18px;
            border-radius: var(--radius-pill);
            font-size: 0.82rem;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            -webkit-backdrop-filter: blur(8px);
            backdrop-filter: blur(8px);
            box-shadow: var(--shadow-dark);
        }

        .hero-float-tag .dot {
            width: 8px;
            height: 8px;
            background: var(--color-primary);
            border-radius: 50%;
            animation: pulse 1.6s infinite;
        }

        @keyframes pulse {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.6;
                transform: scale(0.85);
            }
        }

        /* ========== Feature Row ========== */
        .feature-row {
            padding: var(--space-section) 0;
            background: #fff;
            border-top: 1px solid var(--color-border);
        }

        .feature-row--alt {
            background: var(--color-bg);
            border-top: none;
        }

        .feature-row__img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: box-shadow 0.35s ease, transform 0.35s ease;
            position: relative;
        }

        .feature-row__img:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .feature-row__img img {
            width: 100%;
            height: 360px;
            object-fit: cover;
        }

        .feature-row__content {
            padding: 0 12px;
        }

        .feature-row__content .badge {
            margin-bottom: 1rem;
        }

        .feature-row__content h2 {
            font-size: clamp(1.5rem, 2.5vw, 2rem);
            font-weight: 750;
            line-height: 1.3;
            margin-bottom: 1rem;
            color: var(--color-text);
        }

        .feature-row__content p {
            color: var(--color-muted);
            font-size: 1rem;
            line-height: 1.8;
            margin-bottom: 1.5rem;
            text-align: justify;
        }

        .check-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .check-list li {
            position: relative;
            padding-left: 28px;
            margin-bottom: 12px;
            color: var(--color-text);
            font-size: 0.95rem;
        }

        .check-list li::before {
            content: "";
            position: absolute;
            left: 0;
            top: 9px;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(200, 245, 66, 0.25);
        }

        /* ========== Highlights ========== */
        .highlights {
            padding: var(--space-section) 0;
            background: var(--color-bg);
        }

        .highlight-card {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 28px 26px;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .highlight-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(200, 245, 66, 0.6);
        }

        .highlight-card__icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            margin-bottom: 18px;
            color: var(--color-dark);
        }

        .highlight-card:nth-child(1) .highlight-card__icon {
            background: rgba(255, 77, 0, 0.12);
            color: var(--color-accent);
        }

        .highlight-card:nth-child(2) .highlight-card__icon {
            background: rgba(123, 97, 255, 0.14);
            color: var(--color-secondary);
        }

        .highlight-card:nth-child(3) .highlight-card__icon {
            background: rgba(200, 245, 66, 0.25);
            color: #4a6d00;
        }

        .highlight-card:nth-child(4) .highlight-card__icon {
            background: rgba(23, 23, 23, 0.06);
            color: var(--color-text);
        }

        .highlight-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin: 0 0 8px;
            color: var(--color-text);
        }

        .highlight-card p {
            font-size: 0.92rem;
            color: var(--color-muted);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }

        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--color-secondary);
            transition: gap 0.2s ease, color 0.2s ease;
        }

        .text-link:hover {
            color: var(--color-accent);
            gap: 10px;
        }

        /* ========== Audience ========== */
        .audience {
            padding: var(--space-section) 0;
            background: #fff;
            border-top: 1px solid var(--color-border);
        }

        .audience-card {
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 28px 26px;
            height: 100%;
            transition: all 0.3s ease;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .audience-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .audience-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .audience-card:hover::before {
            opacity: 1;
        }

        .audience-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--color-text);
        }

        .audience-card p {
            font-size: 0.92rem;
            color: var(--color-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ========== Stats Band ========== */
        .stats-band {
            background: var(--color-dark);
            padding: clamp(2.5rem, 5vw, 4.5rem) 0;
            background-image: radial-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px);
            background-size: 20px 20px;
            position: relative;
        }

        .stats-band::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
        }

        .stats-band__item {
            text-align: center;
            padding: 8px;
        }

        .stats-band__item strong {
            display: block;
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .stats-band__item span {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
        }

        /* ========== CTA ========== */
        .cta-section {
            padding: var(--space-section) 0;
            background: var(--color-bg);
        }

        .cta-panel {
            background: var(--color-dark);
            border-radius: var(--radius-lg);
            padding: clamp(32px, 5vw, 56px);
            text-align: center;
            position: relative;
            overflow: hidden;
            background-image: radial-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
                url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            background-size: 20px 20px, cover;
            box-shadow: var(--shadow-dark);
        }

        .cta-panel::before {
            content: "";
            position: absolute;
            top: 24px;
            left: 24px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--color-primary);
        }

        .cta-panel h2 {
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .cta-panel p {
            color: rgba(255, 255, 255, 0.72);
            font-size: 1rem;
            margin-bottom: 28px;
        }

        .cta-form {
            display: flex;
            max-width: 520px;
            margin: 0 auto;
            gap: 10px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .cta-form input {
            flex: 1;
            min-width: 220px;
            height: 52px;
            padding: 0 24px;
            border-radius: var(--radius-pill);
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid transparent;
            color: #fff;
            font-size: 0.95rem;
            outline: none;
            transition: border-color 0.25s ease, background 0.25s ease;
        }

        .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

        .cta-form input:focus {
            border-color: var(--color-primary);
            background: rgba(255, 255, 255, 0.18);
            box-shadow: 0 0 0 3px rgba(200, 245, 66, 0.15);
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--color-dark);
            padding: clamp(48px, 6vw, 80px) 0 32px;
            position: relative;
        }

        .site-footer::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-secondary), var(--color-accent));
        }

        .site-footer__brand .site-logo {
            margin-bottom: 14px;
        }

        .site-footer__brand p {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: 16px;
            text-align: left;
            max-width: 320px;
        }

        .site-footer__col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .site-footer__col a {
            display: block;
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.9rem;
            padding: 5px 0;
            transition: color 0.25s ease, padding-left 0.25s ease;
        }

        .site-footer__col a:hover {
            color: var(--color-primary);
            padding-left: 4px;
        }

        .site-footer__col p {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            text-align: left;
        }

        .site-footer__subscribe-input {
            width: 100%;
            height: 44px;
            padding: 0 18px;
            border-radius: var(--radius-pill);
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid transparent;
            color: #fff;
            font-size: 0.88rem;
            outline: none;
            margin-bottom: 10px;
            transition: border-color 0.25s ease;
        }

        .site-footer__subscribe-input::placeholder {
            color: rgba(255, 255, 255, 0.45);
        }

        .site-footer__subscribe-input:focus {
            border-color: var(--color-primary);
        }

        .site-footer__bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            margin-top: 40px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
        }

        .site-footer__bottom span {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.82rem;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .category-hero__content {
                padding-right: 0;
            }

            .category-hero__visual img {
                height: 340px;
            }

            .feature-row__img img {
                height: 300px;
            }

            .category-hero__stats {
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            body {
                padding-top: 70px;
            }

            .site-header {
                top: 10px;
                width: calc(100% - 24px);
                height: 56px;
                padding-left: 16px;
                padding-right: 10px;
            }

            .site-logo__text {
                font-size: 0.92rem;
            }

            .site-header__cta {
                display: none;
            }

            .site-header__toggle {
                display: flex;
            }

            .site-nav {
                position: fixed;
                top: 0;
                right: 0;
                bottom: 0;
                width: min(320px, 82vw);
                background: rgba(18, 18, 18, 0.97);
                -webkit-backdrop-filter: blur(18px);
                backdrop-filter: blur(18px);
                flex-direction: column;
                align-items: flex-start;
                justify-content: flex-start;
                padding: 76px 20px 24px;
                gap: 4px;
                border-radius: 20px 0 0 20px;
                box-shadow: var(--shadow-dark);
                transform: translateX(100%);
                transition: transform 0.35s ease;
                z-index: 1100;
                border-left: 1px solid rgba(255, 255, 255, 0.08);
            }

            .site-nav.is-open {
                transform: translateX(0);
            }

            .site-nav__link {
                width: 100%;
                font-size: 1rem;
                padding: 12px 16px;
                border-radius: 12px;
                color: rgba(255, 255, 255, 0.8);
            }

            .site-nav__link.is-active {
                background: rgba(200, 245, 66, 0.12);
                color: var(--color-primary);
            }

            .site-nav__link.is-active::after {
                left: 16px;
                right: auto;
                width: 20px;
                height: 3px;
            }

            .site-nav__close {
                display: flex;
                align-items: center;
                justify-content: center;
                width: 36px;
                height: 36px;
                border-radius: 50%;
                background: rgba(255, 255, 255, 0.1);
                color: #fff;
                font-size: 1.4rem;
                position: absolute;
                top: 16px;
                right: 16px;
                line-height: 1;
            }

            .category-hero {
                padding: 3rem 0;
            }

            .category-hero h1 {
                font-size: 1.9rem;
            }

            .category-hero__visual {
                margin-top: 32px;
            }

            .category-hero__visual img {
                height: 260px;
            }

            .category-hero__stats {
                gap: 20px;
            }

            .feature-row {
                padding: 3.5rem 0;
            }

            .feature-row__content {
                padding: 24px 0 0;
            }

            .feature-row__img img {
                height: 240px;
            }

            .highlights,
            .audience {
                padding: 3.5rem 0;
            }

            .stats-band__item strong {
                font-size: 1.6rem;
            }

            .cta-panel {
                padding: 32px 20px;
            }

            .cta-form input {
                width: 100%;
                min-width: 100%;
            }

            .site-footer__bottom {
                flex-direction: column;
                text-align: center;
                gap: 4px;
            }
        }

        @media (max-width: 520px) {
            .category-hero__actions {
                flex-direction: column;
                gap: 10px;
            }

            .category-hero__actions .btn {
                width: 100%;
            }

            .category-hero__stats {
                gap: 16px;
            }

            .stat-item strong {
                font-size: 1.2rem;
            }

            .category-hero__visual img {
                height: 220px;
            }

            .feature-row__img img {
                height: 200px;
            }

            .highlight-card {
                padding: 24px 20px;
            }

            .audience-card {
                padding: 24px 20px;
            }

            .cta-panel h2 {
                font-size: 1.4rem;
            }
        }

        /* 浏览器滚动条隐藏（横向滚动场景用） */
        .scroll-x::-webkit-scrollbar {
            display: none;
        }

        .scroll-x {
            scrollbar-width: none;
        }

        /* 通用过渡 */
        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                transition: none !important;
                animation: none !important;
            }
        }

/* roulang page: article */
/* ===================== 设计变量 ===================== */
:root {
    --color-bg: #F6F4EF;
    --color-dark: #121212;
    --color-primary: #C8F542;
    --color-secondary: #7B61FF;
    --color-accent: #FF4D00;
    --color-text: #171717;
    --color-muted: #6F6A61;
    --color-border: #E5E0D6;
    --radius-sm: 12px;
    --radius-md: 20px;
    --radius-lg: 28px;
    --radius-pill: 999px;
    --shadow-card: 0 2px 8px rgba(18,18,18,0.04);
    --shadow-hover: 0 12px 32px rgba(18,18,18,0.10);
    --space-section: clamp(4rem, 8vw, 7rem);
    --space-card: 1.5rem;
}

/* ===================== Reset & Base ===================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    font-size: 16px;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
img { display: block; max-width: 100%; object-fit: cover; }
a { color: inherit; text-decoration: none; transition: color 0.3s; }
button { font-family: inherit; border: none; background: none; cursor: pointer; }
input, textarea { font-family: inherit; }
ul, ol { list-style-position: inside; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 clamp(1rem, 4vw, 2rem);
    width: 100%;
}

/* ===================== 按钮 ===================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 48px;
    padding: 0 28px;
    border-radius: var(--radius-pill);
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s;
    line-height: 1;
    text-decoration: none;
    border: 2px solid transparent;
    white-space: nowrap;
}
.btn:focus-visible {
    outline: 2px solid var(--color-secondary);
    outline-offset: 3px;
}
.btn:active { transform: scale(0.98); }
.btn--accent {
    background: var(--color-accent);
    color: #fff;
}
.btn--accent:hover {
    background: #FF5D1A;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(255,77,0,0.30);
    color: #fff;
}
.btn--outline {
    background: transparent;
    border-color: var(--color-border);
    color: var(--color-text);
}
.btn--outline:hover {
    border-color: var(--color-secondary);
    color: var(--color-secondary);
    transform: translateY(-2px);
}
.btn--sm { height: 44px; padding: 0 20px; font-size: 14px; }
.btn--lg { height: 54px; padding: 0 40px; font-size: 16px; }

/* ===================== 悬浮胶囊导航 ===================== */
.site-header {
    position: fixed;
    top: 16px;
    left: 50%;
    transform: translateX(-50%);
    width: min(1200px, calc(100% - 32px));
    height: 60px;
    z-index: 1000;
}
.site-header__inner {
    display: flex;
    align-items: center;
    height: 100%;
    background: rgba(18,18,18,0.85);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-radius: var(--radius-pill);
    padding: 6px 12px 6px 20px;
    border: 1px solid rgba(255,255,255,0.10);
    box-shadow: 0 8px 24px rgba(0,0,0,0.35);
    transition: background 0.3s, box-shadow 0.3s;
}
.site-header.is-scrolled .site-header__inner {
    background: rgba(18,18,18,0.97);
    box-shadow: 0 12px 32px rgba(0,0,0,0.45);
}
.site-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}
.site-logo__mark {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--color-primary);
    color: var(--color-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 800;
    flex-shrink: 0;
}
.site-logo__text {
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.5px;
}
.site-nav {
    display: flex;
    align-items: center;
    margin-left: 32px;
    gap: 24px;
    flex: 1;
}
.site-nav__link {
    color: rgba(255,255,255,0.75);
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    padding: 8px 2px;
    border-bottom: 2px solid transparent;
    transition: color 0.3s, border-color 0.3s;
    white-space: nowrap;
}
.site-nav__link:hover { color: #fff; }
.site-nav__link.is-active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}
.site-nav__close { display: none; }
.site-header__cta { margin-left: auto; flex-shrink: 0; }
.site-header__toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    align-items: center;
    margin-left: 8px;
}
.toggle-bar {
    display: block;
    width: 18px;
    height: 2px;
    background: #fff;
    border-radius: 2px;
    transition: all 0.3s;
}

/* ===================== 文章头区 ===================== */
.article-hero {
    padding: 140px 0 48px;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
}
.breadcrumb {
    font-size: 13px;
    color: var(--color-muted);
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}
.breadcrumb a { color: var(--color-muted); }
.breadcrumb a:hover { color: var(--color-secondary); }
.breadcrumb__sep { color: #C9C4BA; }
.breadcrumb__current {
    color: var(--color-text);
    font-weight: 600;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 320px;
}
.article-hero__content {
    max-width: 800px;
}
.article-hero__content h1 {
    font-size: clamp(1.75rem, 3.5vw, 2.75rem);
    font-weight: 800;
    line-height: 1.25;
    margin: 16px 0 20px;
    letter-spacing: -0.02em;
}
.article-hero__meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    color: var(--color-muted);
    font-size: 14px;
}
.meta-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.meta-item i { color: var(--color-secondary); }

/* 分类徽章 */
.badge {
    display: inline-block;
    padding: 5px 14px;
    border-radius: var(--radius-pill);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.5px;
}
.badge--category {
    background: rgba(123,97,255,0.10);
    color: var(--color-secondary);
}

/* ===================== 正文阅读区 ===================== */
.article-body {
    padding: 56px 0 24px;
}
.article-body__inner {
    max-width: 720px;
    margin: 0 auto;
}
.article-body__inner h2 {
    font-size: clamp(1.4rem, 2.4vw, 1.9rem);
    font-weight: 750;
    line-height: 1.35;
    margin: 1.8em 0 0.8em;
    padding-left: 14px;
    border-left: 4px solid var(--color-primary);
    border-radius: 0 6px 6px 0;
}
.article-body__inner h3 {
    font-size: 1.15rem;
    font-weight: 650;
    margin: 1.6em 0 0.6em;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--color-border);
}
.article-body__inner p {
    text-align: justify;
    text-indent: 2em;
    margin-bottom: 1.5em;
    line-height: 1.85;
    color: #2A2A2A;
}
.article-body__inner ul,
.article-body__inner ol {
    margin: 0 0 1.5em 1.2em;
}
.article-body__inner li {
    margin-bottom: 0.5em;
    line-height: 1.75;
}
.article-body__inner li::marker { color: var(--color-secondary); }
.article-body__inner li p,
.article-body__inner blockquote p,
.article-body__inner figcaption p {
    text-indent: 0;
}
.article-body__inner blockquote {
    border-left: 4px solid var(--color-primary);
    background: #F0EDE6;
    border-radius: 0 14px 14px 0;
    padding: 18px 22px;
    margin: 1.8em 0;
    color: #3D3A34;
}
.article-body__inner blockquote p:last-child { margin-bottom: 0; }
.article-body__inner a {
    color: var(--color-secondary);
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-color: rgba(123,97,255,0.4);
    transition: background 0.2s, text-decoration-color 0.2s;
}
.article-body__inner a:hover {
    text-decoration: none;
    background: rgba(123,97,255,0.10);
    border-radius: 4px;
}
.article-body__inner img {
    border-radius: var(--radius-md);
    margin: 1.5em auto;
}
.article-body__inner figure {
    margin: 1.8em 0;
}
.article-body__inner figcaption {
    text-align: center;
    color: var(--color-muted);
    font-size: 13px;
    margin-top: 10px;
}
.article-body__inner hr {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: 2.5em 0;
}
.article-body__inner code {
    background: #F0EDE6;
    border-radius: 6px;
    padding: 3px 10px;
    font-size: 0.9em;
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}
.article-body__inner pre {
    background: var(--color-dark);
    color: #E8E6E0;
    border-radius: var(--radius-md);
    padding: 20px 24px;
    overflow-x: auto;
    margin: 1.8em 0;
    line-height: 1.6;
}
.article-body__inner pre code {
    background: transparent;
    color: inherit;
    padding: 0;
}

/* 空态 */
.article-not-found {
    text-align: center;
    padding: 72px 28px;
    background: #fff;
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-lg);
}
.article-not-found__icon {
    font-size: 52px;
    color: var(--color-muted);
    margin-bottom: 16px;
}
.article-not-found h2 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 8px;
}
.article-not-found p {
    color: var(--color-muted);
    margin-bottom: 24px;
    text-align: center;
    text-indent: 0;
}

/* ===================== 标签区 ===================== */
.article-tags {
    padding: 24px 0 8px;
}
.article-tags__inner {
    max-width: 720px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
}
.article-tags__label {
    color: var(--color-muted);
    font-size: 14px;
    margin-right: 4px;
}
.tag {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(123,97,255,0.08);
    color: var(--color-secondary);
    border-radius: var(--radius-pill);
    font-size: 13px;
    font-weight: 600;
    transition: all 0.25s;
    border: 1px solid transparent;
}
.tag:hover {
    background: var(--color-secondary);
    color: #fff;
    border-color: var(--color-secondary);
    transform: translateY(-1px);
}

/* ===================== 来源信息条 ===================== */
.article-source {
    padding: 40px 0 16px;
}
.article-source__card {
    max-width: 720px;
    margin: 0 auto;
    display: flex;
    gap: 16px;
    align-items: center;
    background: #F0EDE6;
    border-radius: 16px;
    padding: 20px 24px;
    border: 1px solid transparent;
    transition: border-color 0.3s;
}
.article-source__card:hover { border-color: var(--color-primary); }
.article-source__avatar {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    border-radius: 14px;
    background: var(--color-primary);
    color: var(--color-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    font-weight: 800;
}
.article-source__text strong {
    display: block;
    font-size: 15px;
    margin-bottom: 4px;
}
.article-source__text p {
    font-size: 14px;
    color: var(--color-muted);
    margin: 0;
    text-align: left;
}

/* ===================== 相关推荐 ===================== */
.related-posts {
    padding: 56px 0 64px;
}
.section-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 32px;
    gap: 16px;
}
.section-head h2 {
    font-size: clamp(1.5rem, 2.5vw, 2rem);
    font-weight: 750;
    letter-spacing: -0.02em;
}
.link-arrow {
    color: var(--color-secondary);
    font-size: 14px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: gap 0.3s;
}
.link-arrow:hover { text-decoration: underline; }
.post-card {
    display: flex;
    flex-direction: column;
    background: #fff;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-card);
    transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
    height: 100%;
    margin-bottom: 24px;
}
.post-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: var(--color-primary);
}
.post-card__cover {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: #1e1e1e;
}
.post-card__cover img {
    width: 100%;
    height: 100%;
    transition: transform 0.5s ease;
}
.post-card:hover .post-card__cover img { transform: scale(1.05); }
.post-card__badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: rgba(18,18,18,0.72);
    color: #fff;
    padding: 4px 12px;
    border-radius: var(--radius-pill);
    font-size: 12px;
    font-weight: 600;
    backdrop-filter: blur(8px);
}
.post-card__content {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex: 1;
}
.post-card__content h3 {
    font-size: 17px;
    font-weight: 700;
    line-height: 1.45;
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.post-card__content > p {
    font-size: 14px;
    color: var(--color-muted);
    line-height: 1.6;
    margin-bottom: 14px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.post-card__meta {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    color: var(--color-muted);
    padding-top: 12px;
    border-top: 1px solid var(--color-border);
    margin-top: auto;
}

/* ===================== 返回入口 ===================== */
.article-return {
    text-align: center;
    padding-bottom: 80px;
}

/* ===================== 页脚 ===================== */
.site-footer {
    background: var(--color-dark);
    color: rgba(255,255,255,0.72);
    padding: clamp(48px, 6vw, 80px) 0 32px;
    position: relative;
    margin-top: 20px;
}
.site-footer::before {
    content: "";
    display: block;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
}
.site-footer a { color: rgba(255,255,255,0.65); }
.site-footer a:hover { color: var(--color-primary); }
.site-footer__brand p {
    color: rgba(255,255,255,0.6);
    font-size: 14px;
    line-height: 1.7;
    margin-top: 16px;
    text-align: left;
}
.site-footer__brand .site-logo { margin-bottom: 0; }
.site-footer__col h4 {
    color: #fff;
    font-size: 15px;
    margin-bottom: 18px;
    font-weight: 700;
    position: relative;
    padding-bottom: 8px;
}
.site-footer__col h4::after {
    content: "";
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-primary);
    border-radius: 2px;
    margin-top: 6px;
}
.site-footer__col a {
    display: inline-block;
    font-size: 14px;
    margin-bottom: 10px;
    transition: transform 0.2s, color 0.2s;
}
.site-footer__col a:hover {
    color: var(--color-primary);
    transform: translateX(3px);
}
.site-footer__col p {
    color: rgba(255,255,255,0.6);
    font-size: 14px;
    margin-bottom: 14px;
    text-align: left;
}
.site-footer__subscribe-input {
    width: 100%;
    height: 44px;
    border-radius: var(--radius-pill);
    border: 1px solid rgba(255,255,255,0.15);
    background: rgba(255,255,255,0.10);
    color: #fff;
    padding: 0 18px;
    font-size: 14px;
    margin-bottom: 10px;
    transition: border-color 0.3s, background 0.3s;
}
.site-footer__subscribe-input::placeholder { color: rgba(255,255,255,0.45); }
.site-footer__subscribe-input:focus {
    outline: none;
    border-color: var(--color-primary);
    background: rgba(255,255,255,0.14);
}
.site-footer__subscribe-btn { width: 100%; }
.site-footer__social .social-icon {
    width: 36px;
    height: 36px;
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.7);
    font-size: 15px;
    transition: all 0.2s;
}
.site-footer__social .social-icon:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: translateY(-2px);
}
.site-footer__bottom {
    margin-top: 48px;
    padding-top: 24px;
    border-top: 1px solid rgba(255,255,255,0.1);
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: rgba(255,255,255,0.45);
}
.site-footer__bottom a { color: rgba(255,255,255,0.55); }
.site-footer__bottom a:hover { color: var(--color-primary); }

/* ===================== 响应式 ===================== */
@media (max-width: 1024px) {
    .site-header__inner { padding-left: 16px; }
    .site-nav { margin-left: 16px; gap: 16px; }
    .site-logo__text { font-size: 14px; }
}

@media (max-width: 640px) {
    .site-header {
        top: 12px;
        width: calc(100% - 24px);
        height: 56px;
    }
    .site-header__inner {
        padding: 4px 8px 4px 14px;
        border-radius: var(--radius-pill);
    }
    .site-logo__text { font-size: 13px; }
    .site-logo__mark {
        width: 32px;
        height: 32px;
        font-size: 16px;
        border-radius: 9px;
    }
    .site-header__cta { display: none; }
    .site-header__toggle {
        display: flex;
        margin-left: auto;
    }
    .site-header__toggle[aria-expanded="true"] .toggle-bar:nth-child(1) {
        transform: translateY(6px) rotate(45deg);
    }
    .site-header__toggle[aria-expanded="true"] .toggle-bar:nth-child(2) { opacity: 0; }
    .site-header__toggle[aria-expanded="true"] .toggle-bar:nth-child(3) {
        transform: translateY(-6px) rotate(-45deg);
    }
    .site-nav {
        position: fixed;
        top: 68px;
        left: 12px;
        right: 12px;
        transform: none;
        width: auto;
        background: rgba(18,18,18,0.96);
        backdrop-filter: blur(20px);
        border-radius: 20px;
        padding: 20px;
        display: none;
        flex-direction: column;
        gap: 4px;
        box-shadow: 0 16px 40px rgba(0,0,0,0.45);
        border: 1px solid rgba(255,255,255,0.10);
        margin-left: 0;
        z-index: 999;
    }
    .site-nav.is-open { display: flex; }
    .site-nav__link {
        display: block;
        width: 100%;
        padding: 12px 8px;
        font-size: 15px;
        border-bottom: 1px solid rgba(255,255,255,0.06);
        border-radius: 8px;
    }
    .site-nav__link.is-active {
        border-bottom-color: transparent;
        background: rgba(200,245,66,0.12);
        color: var(--color-primary);
    }
    .site-nav__close {
        display: flex;
        position: absolute;
        top: 12px;
        right: 12px;
        width: 30px;
        height: 30px;
        border-radius: 50%;
        background: rgba(255,255,255,0.10);
        color: #fff;
        font-size: 20px;
        align-items: center;
        justify-content: center;
        line-height: 1;
    }
    .article-hero { padding: 116px 0 36px; }
    .breadcrumb { font-size: 12px; margin-bottom: 18px; }
    .breadcrumb__current { max-width: 200px; }
    .article-hero__content h1 { font-size: 1.65rem; margin: 12px 0 16px; }
    .article-hero__meta { gap: 12px; font-size: 13px; flex-wrap: wrap; }
    .article-body { padding: 40px 0 20px; }
    .article-body__inner { padding: 0 4px; }
    .article-body__inner p { font-size: 15px; }
    .article-return { padding-bottom: 56px; }
    .article-return .btn { width: 100%; }
    .section-head { flex-direction: row; margin-bottom: 24px; }
    .section-head h2 { font-size: 1.35rem; }
    .post-card__content { padding: 16px; }
    .site-footer__bottom { flex-direction: column; gap: 8px; text-align: center; }
}

/* roulang page: category2 */
:root {
            --color-bg: #F6F4EF;
            --color-dark: #121212;
            --color-primary: #C8F542;
            --color-secondary: #7B61FF;
            --color-accent: #FF4D00;
            --color-text: #171717;
            --color-muted: #6F6A61;
            --color-border: #E5E0D6;
            --radius-sm: 12px;
            --radius-md: 20px;
            --radius-lg: 28px;
            --radius-pill: 999px;
            --shadow-card: 0 2px 8px rgba(18,18,18,0.04);
            --shadow-hover: 0 12px 32px rgba(18,18,18,0.10);
            --shadow-dark: 0 8px 24px rgba(0,0,0,0.35);
            --space-section: clamp(4rem, 8vw, 7rem);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            background: var(--color-bg);
            color: var(--color-text);
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

        img {
            display: block;
            max-width: 100%;
        }

        a {
            text-decoration: none;
            color: inherit;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 clamp(1rem, 4vw, 2rem);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 48px;
            padding: 0 28px;
            border-radius: var(--radius-pill);
            font-size: 15px;
            font-weight: 600;
            font-family: inherit;
            border: 1px solid transparent;
            cursor: pointer;
            transition: all .25s ease;
            line-height: 1;
            white-space: nowrap;
        }
        .btn:hover {
            transform: translateY(-2px);
        }
        .btn:active {
            transform: scale(0.98);
        }
        .btn:focus-visible {
            outline: 2px solid var(--color-secondary);
            outline-offset: 3px;
            border-radius: var(--radius-pill);
        }
        .btn--accent {
            background: var(--color-accent);
            color: #fff;
            border-color: var(--color-accent);
        }
        .btn--accent:hover {
            background: #ff5c1a;
            box-shadow: 0 8px 24px rgba(255, 77, 0, 0.25);
            color: #fff;
        }
        .btn--ghost {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.35);
        }
        .btn--ghost:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.6);
            color: #fff;
        }
        .btn--sm {
            height: 40px;
            padding: 0 20px;
            font-size: 14px;
        }

        /* ========== Header ========== */
        .site-header {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            width: min(1200px, calc(100% - 32px));
            height: 60px;
            background: rgba(18, 18, 18, 0.85);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-radius: var(--radius-pill);
            border: 1px solid rgba(255, 255, 255, 0.10);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
            z-index: 1000;
            transition: background .3s, box-shadow .3s;
        }
        .site-header.is-scrolled {
            background: rgba(18, 18, 18, 0.97);
            box-shadow: var(--shadow-dark);
        }
        .site-header__inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            padding: 0 12px 0 20px;
        }
        .site-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-weight: 700;
            font-size: 16px;
            white-space: nowrap;
        }
        .site-logo__mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--color-primary);
            color: var(--color-dark);
            border-radius: 10px;
            font-size: 18px;
            font-weight: 800;
        }
        .site-logo__text {
            letter-spacing: 0.02em;
        }
        .site-nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .site-nav__link {
            display: inline-block;
            padding: 8px 16px;
            color: rgba(255, 255, 255, 0.78);
            font-size: 14px;
            font-weight: 500;
            border-radius: var(--radius-pill);
            transition: color .2s, background .2s;
            position: relative;
        }
        .site-nav__link:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }
        .site-nav__link.is-active {
            color: var(--color-primary);
            background: rgba(200, 245, 66, 0.12);
        }
        .site-nav__link.is-active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 16px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
        }
        .site-header__cta {
            margin-left: 8px;
        }
        .site-header__toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            border-radius: 8px;
        }
        .toggle-bar {
            display: block;
            width: 22px;
            height: 2px;
            background: #fff;
            margin: 4px auto;
            border-radius: 2px;
            transition: transform .3s, opacity .3s;
        }
        .site-header__toggle.is-active .toggle-bar:nth-child(1) {
            transform: translateY(6px) rotate(45deg);
        }
        .site-header__toggle.is-active .toggle-bar:nth-child(2) {
            opacity: 0;
        }
        .site-header__toggle.is-active .toggle-bar:nth-child(3) {
            transform: translateY(-6px) rotate(-45deg);
        }
        .site-nav__close {
            display: none;
        }

        @media (max-width: 768px) {
            .site-header {
                height: 56px;
            }
            .site-header__inner {
                padding: 0 8px 0 16px;
            }
            .site-logo__text {
                font-size: 15px;
            }
            .site-nav {
                position: fixed;
                top: 80px;
                left: 16px;
                right: 16px;
                background: rgba(18, 18, 18, 0.97);
                backdrop-filter: blur(14px);
                -webkit-backdrop-filter: blur(14px);
                border-radius: var(--radius-md);
                padding: 18px;
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
                box-shadow: var(--shadow-dark);
                border: 1px solid rgba(255, 255, 255, 0.1);
                opacity: 0;
                visibility: hidden;
                transform: translateY(-8px);
                transition: opacity .3s, transform .3s, visibility .3s;
                z-index: 999;
            }
            .site-nav.is-open {
                opacity: 1;
                visibility: visible;
                transform: translateY(0);
            }
            .site-nav__link {
                width: 100%;
                padding: 10px 12px;
                font-size: 16px;
            }
            .site-nav__link.is-active::after {
                display: none;
            }
            .site-nav__close {
                display: flex;
                align-items: center;
                justify-content: center;
                position: absolute;
                top: 10px;
                right: 14px;
                background: none;
                border: none;
                color: rgba(255, 255, 255, 0.7);
                font-size: 22px;
                cursor: pointer;
                padding: 4px;
                line-height: 1;
            }
            .site-header__cta {
                display: none;
            }
            .site-header__toggle {
                display: block;
            }
        }

        /* ========== Category Hero ========== */
        .category-hero {
            position: relative;
            background: var(--color-dark);
            background-image: radial-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px);
            background-size: 20px 20px;
            padding: 150px 0 80px;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.45;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(18, 18, 18, 0.75) 0%, rgba(18, 18, 18, 0.5) 60%, rgba(18, 18, 18, 0.92) 100%);
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
        }
        .category-hero__tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(200, 245, 66, 0.15);
            border: 1px solid rgba(200, 245, 66, 0.3);
            color: var(--color-primary);
            font-size: 13px;
            font-weight: 600;
            padding: 5px 16px;
            border-radius: var(--radius-pill);
            margin-bottom: 20px;
            letter-spacing: 0.04em;
        }
        .category-hero h1 {
            font-size: clamp(2.25rem, 4.5vw, 3.5rem);
            font-weight: 800;
            line-height: 1.2;
            color: #fff;
            margin: 0 0 16px;
            letter-spacing: 0.01em;
        }
        .category-hero__desc {
            font-size: clamp(1rem, 1.6vw, 1.125rem);
            color: rgba(255, 255, 255, 0.8);
            max-width: 560px;
            line-height: 1.8;
            margin-bottom: 36px;
        }
        .category-hero__stats {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
        }
        .stat-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .stat-item strong {
            font-size: 1.75rem;
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1.2;
            font-variant-numeric: tabular-nums;
        }
        .stat-item span {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
        }

        @media (max-width: 640px) {
            .category-hero {
                padding: 130px 0 60px;
            }
            .category-hero__stats {
                gap: 20px;
            }
            .stat-item strong {
                font-size: 1.4rem;
            }
        }

        /* ========== Timeline ========== */
        .timeline-section {
            padding: var(--space-section) 0;
            background: var(--color-bg);
        }
        .timeline-section__header {
            text-align: center;
            margin-bottom: 56px;
        }
        .timeline-section__header h2 {
            font-size: clamp(1.5rem, 2.5vw, 2rem);
            font-weight: 750;
            margin: 0 0 8px;
            color: var(--color-text);
        }
        .timeline-section__header p {
            font-size: 15px;
            color: var(--color-muted);
            max-width: 560px;
            margin: 0 auto;
        }
        .timeline {
            position: relative;
            max-width: 900px;
            margin: 0 auto;
            padding: 20px 0 0;
        }
        .timeline::before {
            content: '';
            position: absolute;
            top: 0;
            bottom: 0;
            left: 50%;
            width: 3px;
            background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-secondary) 100%);
            transform: translateX(-50%);
            border-radius: var(--radius-pill);
        }
        .timeline__item {
            position: relative;
            width: 50%;
            padding: 0 48px 56px;
        }
        .timeline__item:nth-child(odd) {
            left: 0;
            text-align: right;
        }
        .timeline__item:nth-child(even) {
            left: 50%;
            text-align: left;
        }
        .timeline__item:last-child {
            padding-bottom: 24px;
        }
        .timeline__dot {
            position: absolute;
            top: 28px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--color-primary);
            border: 3px solid var(--color-bg);
            box-shadow: 0 0 0 3px var(--color-primary);
            z-index: 2;
        }
        .timeline__item:nth-child(odd) .timeline__dot {
            right: -9px;
        }
        .timeline__item:nth-child(even) .timeline__dot {
            left: -9px;
        }
        .timeline__card {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 24px 28px;
            box-shadow: var(--shadow-card);
            transition: box-shadow .3s ease, transform .3s ease, border-color .3s ease;
        }
        .timeline__card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: var(--color-primary);
        }
        .timeline__date {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-secondary);
            background: rgba(123, 97, 255, 0.08);
            border-radius: var(--radius-pill);
            padding: 4px 12px;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }
        .timeline__card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 8px;
            line-height: 1.4;
        }
        .timeline__card p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--color-muted);
            text-align: justify;
            margin: 0 0 14px;
        }
        .timeline__link {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-secondary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap .2s ease, color .2s ease;
        }
        .timeline__link:hover {
            color: var(--color-accent);
            gap: 10px;
        }
        .timeline__card--latest {
            border-color: rgba(200, 245, 66, 0.5);
            background: linear-gradient(135deg, rgba(200, 245, 66, 0.06) 0%, #fff 100%);
        }
        .timeline__card--latest .timeline__date {
            background: rgba(200, 245, 66, 0.2);
            color: #3c6e00;
        }

        @media (max-width: 640px) {
            .timeline {
                padding-left: 0;
            }
            .timeline::before {
                left: 10px;
                transform: none;
            }
            .timeline__item,
            .timeline__item:nth-child(odd),
            .timeline__item:nth-child(even) {
                width: 100%;
                left: 0;
                text-align: left;
                padding: 0 0 40px 40px;
            }
            .timeline__dot,
            .timeline__item:nth-child(odd) .timeline__dot,
            .timeline__item:nth-child(even) .timeline__dot {
                left: 2px;
                right: auto;
            }
            .timeline__card {
                padding: 20px;
            }
        }

        /* ========== Subcategory Section ========== */
        .subcategory-section {
            padding: 0 0 var(--space-section);
            background: var(--color-bg);
        }
        .subcategory-section__header {
            text-align: center;
            margin-bottom: 40px;
        }
        .subcategory-section__header h2 {
            font-size: clamp(1.5rem, 2.5vw, 2rem);
            font-weight: 750;
            margin: 0 0 8px;
        }
        .subcategory-section__header p {
            font-size: 15px;
            color: var(--color-muted);
            max-width: 520px;
            margin: 0 auto;
        }
        .sub-card {
            position: relative;
            display: block;
            border-radius: var(--radius-md);
            overflow: hidden;
            min-height: 280px;
            background-size: cover;
            background-position: center;
            background-color: #1e1e1e;
            box-shadow: var(--shadow-card);
            transition: transform .3s ease, box-shadow .3s ease;
        }
        .sub-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .sub-card__overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(18, 18, 18, 0.1) 0%, rgba(18, 18, 18, 0.75) 100%);
            transition: background .3s ease;
        }
        .sub-card:hover .sub-card__overlay {
            background: linear-gradient(180deg, rgba(18, 18, 18, 0.05) 0%, rgba(18, 18, 18, 0.85) 100%);
        }
        .sub-card__content {
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 24px;
            min-height: 280px;
            color: #fff;
        }
        .sub-card__content i {
            font-size: 22px;
            color: var(--color-primary);
            margin-bottom: 12px;
        }
        .sub-card__content h3 {
            font-size: 18px;
            font-weight: 700;
            margin: 0 0 6px;
            line-height: 1.4;
        }
        .sub-card__content p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.8);
            margin: 0 0 12px;
            line-height: 1.6;
            max-width: 260px;
        }
        .sub-card__arrow {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap .2s ease;
        }
        .sub-card:hover .sub-card__arrow {
            gap: 10px;
        }

        @media (max-width: 640px) {
            .sub-card {
                min-height: 240px;
            }
            .sub-card__content {
                min-height: 240px;
                padding: 20px;
            }
        }

        /* ========== CTA Section ========== */
        .cta-section {
            padding: 0 0 var(--space-section);
            background: var(--color-bg);
        }
        .cta-panel {
            background: var(--color-dark);
            border-radius: var(--radius-lg);
            padding: clamp(32px, 5vw, 56px);
            position: relative;
            overflow: hidden;
            background-image: radial-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px);
            background-size: 20px 20px;
        }
        .cta-panel::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 180px;
            height: 180px;
            background: rgba(200, 245, 66, 0.1);
            border-radius: 50%;
            filter: blur(60px);
        }
        .cta-panel__inner {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 32px;
        }
        .cta-panel__text {
            flex: 1 1 320px;
        }
        .cta-panel__text h2 {
            font-size: clamp(1.5rem, 2.5vw, 2rem);
            font-weight: 700;
            color: #fff;
            margin: 0 0 8px;
            line-height: 1.3;
        }
        .cta-panel__text p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.72);
            margin: 0;
            max-width: 420px;
        }
        .cta-panel__form {
            display: flex;
            gap: 12px;
            flex: 1 1 360px;
            max-width: 520px;
            flex-wrap: wrap;
        }
        .cta-panel__form input {
            flex: 1;
            min-width: 200px;
            height: 52px;
            border-radius: var(--radius-pill);
            border: 1px solid transparent;
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            padding: 0 20px;
            font-size: 14px;
            font-family: inherit;
            outline: none;
            transition: border-color .3s, background .3s;
        }
        .cta-panel__form input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }
        .cta-panel__form input:focus {
            border-color: var(--color-primary);
            background: rgba(255, 255, 255, 0.16);
        }
        .cta-panel__form .btn {
            white-space: nowrap;
        }

        @media (max-width: 640px) {
            .cta-panel__form {
                max-width: 100%;
            }
            .cta-panel__form input {
                width: 100%;
                min-width: 0;
            }
            .cta-panel__form .btn {
                width: 100%;
            }
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--color-dark);
            border-top: 3px solid var(--color-primary);
            padding: clamp(48px, 6vw, 80px) 0 32px;
            color: rgba(255, 255, 255, 0.8);
        }
        .site-footer .site-logo {
            margin-bottom: 12px;
        }
        .site-footer p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.65);
            text-align: left;
            margin-bottom: 16px;
            max-width: 300px;
        }
        .site-footer__col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin: 0 0 12px;
            text-align: left;
        }
        .site-footer__col a {
            display: block;
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            padding: 5px 0;
            transition: color .2s, padding-left .2s;
        }
        .site-footer__col a:hover {
            color: var(--color-primary);
            padding-left: 4px;
        }
        .site-footer__subscribe-input {
            width: 100%;
            height: 44px;
            border-radius: var(--radius-pill);
            border: 1px solid rgba(255, 255, 255, 0.15);
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            padding: 0 18px;
            font-size: 14px;
            font-family: inherit;
            outline: none;
            margin-bottom: 10px;
            transition: border-color .3s, background .3s;
        }
        .site-footer__subscribe-input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }
        .site-footer__subscribe-input:focus {
            border-color: var(--color-primary);
            background: rgba(255, 255, 255, 0.14);
        }
        .site-footer__bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 40px;
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }
        .site-footer__bottom a {
            color: rgba(255, 255, 255, 0.45);
        }
        .site-footer__bottom a:hover {
            color: var(--color-primary);
        }

        @media (max-width: 640px) {
            .site-footer__bottom {
                flex-direction: column;
                text-align: center;
            }
            .site-footer .cell {
                margin-bottom: 32px;
            }
        }
