/* roulang page: index */
/* ========== 设计变量 ========== */
        :root {
            --color-bg: #0B0B0F;
            --color-bg-soft: #12121A;
            --color-bg-card: #181822;
            --color-surface-hover: #232330;
            --color-primary: #C9A962;
            --color-primary-hover: #DFC078;
            --color-accent: #D4B478;
            --color-alert: #E2574C;
            --color-text-hi: #F5F1E8;
            --color-text-mid: #A7A3B5;
            --color-text-low: #646170;
            --color-line: #2A2A35;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 8px;
            --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.25), 0 8px 30px rgba(0, 0, 0, 0.12);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", system-ui, -apple-system, sans-serif;
        }

        /* ========== 基础 Reset ========== */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--color-bg);
            color: var(--color-text-hi);
            line-height: 1.75;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        img {
            max-width: 100%;
            display: block;
        }
        input, button {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }
        a:focus-visible, button:focus-visible, input:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }

        /* ========== 布局容器 ========== */
        .container {
            width: 100%;
            max-width: 1240px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ========== 通用板块 ========== */
        .section {
            padding: 72px 0;
        }
        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 32px;
            border-bottom: 1px solid var(--color-line);
            padding-bottom: 20px;
        }
        .section-tag {
            color: var(--color-primary);
            font-size: 11px;
            letter-spacing: 0.3em;
            text-transform: uppercase;
            display: block;
            margin-bottom: 6px;
        }
        .section-title {
            font-size: 28px;
            font-weight: 600;
            line-height: 1.4;
            color: var(--color-text-hi);
        }
        .section-link {
            color: var(--color-text-mid);
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 6px;
            transition: all 0.2s ease;
            white-space: nowrap;
        }
        .section-link:hover {
            color: var(--color-primary);
        }

        /* ========== 按钮 & 标签 ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 40px;
            padding: 0 24px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 14px;
            line-height: 1;
            cursor: pointer;
            transition: all 0.25s ease;
            white-space: nowrap;
        }
        .btn-primary {
            background-color: var(--color-primary);
            color: #0B0B0F;
        }
        .btn-primary:hover {
            background-color: var(--color-primary-hover);
            color: #0B0B0F;
        }
        .btn-primary:active {
            filter: brightness(0.95);
        }
        .btn-outline {
            background-color: transparent;
            color: var(--color-primary);
            border: 1px solid var(--color-primary);
        }
        .btn-outline:hover {
            background-color: rgba(201, 169, 98, 0.12);
            color: var(--color-primary-hover);
        }
        .btn-dark {
            background-color: #0B0B0F;
            color: var(--color-primary);
            border: 1px solid var(--color-primary);
        }
        .btn-dark:hover {
            background-color: var(--color-surface-hover);
            color: var(--color-primary-hover);
        }
        .btn-lg {
            height: 48px;
            padding: 0 32px;
            font-size: 16px;
        }

        .tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 3px 10px;
            border-radius: 9999px;
            background-color: rgba(201, 169, 98, 0.12);
            color: #D6B36A;
            font-size: 12px;
            font-weight: 500;
            line-height: 1.5;
            white-space: nowrap;
        }
        .tag-sm {
            font-size: 11px;
            padding: 2px 8px;
        }
        .tag-new {
            background-color: var(--color-alert);
            color: #fff;
        }

        /* ========== 导航栏 ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 100;
            background-color: rgba(11, 11, 15, 0.9);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--color-line);
            transition: all 0.2s ease;
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-card);
            background-color: rgba(11, 11, 15, 0.98);
        }
        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 24px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
            background-color: rgba(201, 169, 98, 0.1);
            flex-shrink: 0;
        }
        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }
        .logo-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text-hi);
            letter-spacing: 0.02em;
        }
        .logo-sub {
            font-size: 11px;
            color: var(--color-text-low);
            letter-spacing: 0.15em;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            margin: 0 auto;
        }
        .main-nav a {
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 400;
            color: var(--color-text-mid);
            transition: all 0.2s ease;
            position: relative;
            white-space: nowrap;
        }
        .main-nav a:hover {
            color: var(--color-text-hi);
            background-color: rgba(255, 255, 255, 0.04);
        }
        .main-nav a.active {
            color: var(--color-primary);
            font-weight: 600;
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 2px;
            height: 2px;
            background-color: var(--color-primary);
            border-radius: 2px;
        }
        .header-tools {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-shrink: 0;
        }
        .search-box {
            display: flex;
            align-items: center;
            background-color: #101018;
            border: 1px solid var(--color-line);
            border-radius: var(--radius-md);
            padding: 0 12px;
            width: 200px;
            height: 38px;
            transition: all 0.2s ease;
            gap: 8px;
        }
        .search-box:focus-within {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(201, 169, 98, 0.15);
        }
        .search-box svg {
            color: var(--color-text-low);
            flex-shrink: 0;
        }
        .search-box input {
            background: transparent;
            border: none;
            width: 100%;
            color: var(--color-text-hi);
            font-size: 13px;
        }
        .search-box input::placeholder {
            color: var(--color-text-low);
        }
        .btn-nav {
            height: 36px;
            padding: 0 20px;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            cursor: pointer;
        }
        .hamburger span {
            width: 22px;
            height: 2px;
            background-color: var(--color-primary);
            border-radius: 2px;
            transition: all 0.2s ease;
        }

        /* 移动端导航面板 */
        .mobile-nav {
            display: none;
            position: fixed;
            top: 68px;
            left: 0;
            width: 100%;
            background-color: var(--color-bg-soft);
            border-bottom: 1px solid var(--color-line);
            padding: 16px 24px 24px;
            z-index: 99;
            box-shadow: var(--shadow-card);
        }
        .mobile-nav.open {
            display: block;
        }
        .mobile-nav .mobile-menu {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .mobile-nav .mobile-menu a {
            display: block;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            color: var(--color-text-hi);
            font-size: 16px;
        }
        .mobile-nav .mobile-menu a:hover,
        .mobile-nav .mobile-menu a.active {
            background-color: rgba(201, 169, 98, 0.12);
            color: var(--color-primary);
        }
        .mobile-nav .mobile-search {
            display: flex;
            align-items: center;
            background-color: #101018;
            border: 1px solid var(--color-line);
            border-radius: var(--radius-md);
            padding: 10px 16px;
            gap: 8px;
            margin-top: 12px;
        }
        .mobile-nav .mobile-search input {
            background: transparent;
            border: none;
            width: 100%;
            color: var(--color-text-hi);
        }
        .mobile-nav .btn {
            width: 100%;
            margin-top: 16px;
        }

        /* ========== Hero 首屏 ========== */
        .hero {
            position: relative;
            min-height: 88vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 120px 0 72px;
            overflow: hidden;
            background-color: var(--color-bg);
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            object-position: center;
            z-index: 0;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 11, 15, 0.2) 0%, rgba(11, 11, 15, 0.6) 60%, var(--color-bg) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 860px;
            margin: 0 auto;
        }
        .hero-badges {
            display: flex;
            justify-content: center;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }
        .hero-badge {
            border: 1px solid rgba(201, 169, 98, 0.4);
            border-radius: 9999px;
            padding: 5px 16px;
            font-size: 12px;
            color: var(--color-primary-hover);
            background-color: rgba(11, 11, 15, 0.4);
            letter-spacing: 0.05em;
        }
        .hero-title {
            font-size: 56px;
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: 0.02em;
            color: var(--color-text-hi);
            margin-bottom: 20px;
        }
        .hero-title .highlight {
            color: var(--color-primary);
        }
        .hero-sub {
            font-size: 17px;
            color: var(--color-text-mid);
            margin-bottom: 32px;
            line-height: 1.8;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .hero-info-card {
            position: absolute;
            bottom: 60px;
            right: 40px;
            z-index: 3;
            width: 220px;
            background-color: rgba(18, 18, 26, 0.9);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-md);
            padding: 12px;
            display: flex;
            gap: 12px;
            align-items: center;
            box-shadow: var(--shadow-card);
        }
        .hero-info-card img {
            width: 72px;
            height: 72px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }
        .hero-info-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text-hi);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .hero-info-meta {
            font-size: 11px;
            color: var(--color-text-low);
            margin-top: 4px;
        }
        .scroll-down {
            position: absolute;
            bottom: 28px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 3;
            color: var(--color-text-low);
            font-size: 12px;
            letter-spacing: 0.2em;
            text-transform: uppercase;
            animation: fadeSlide 2s infinite ease-in-out;
        }
        @keyframes fadeSlide {
            0%, 100% { opacity: 0.5; transform: translate(-50%, 0); }
            50% { opacity: 1; transform: translate(-50%, 6px); }
        }

        /* ========== 横滑片库 ========== */
        .scroll-section {
            padding: 24px 0 72px;
            position: relative;
            z-index: 4;
            margin-top: -80px;
        }
        .scroll-wrap {
            display: flex;
            gap: 16px;
            overflow-x: auto;
            padding: 16px 4px 24px;
            scroll-snap-type: x mandatory;
            scrollbar-width: thin;
            scrollbar-color: var(--color-line) transparent;
        }
        .scroll-wrap::-webkit-scrollbar {
            height: 6px;
        }
        .scroll-wrap::-webkit-scrollbar-thumb {
            background-color: var(--color-line);
            border-radius: 3px;
        }
        .scroll-card {
            flex: 0 0 auto;
            width: 220px;
            scroll-snap-align: start;
            background-color: var(--color-bg-card);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all 0.25s ease;
        }
        .scroll-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card);
            border-color: rgba(201, 169, 98, 0.4);
        }
        .scroll-cover {
            position: relative;
            width: 100%;
            aspect-ratio: 3 / 4;
            overflow: hidden;
        }
        .scroll-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .scroll-card:hover .scroll-cover img {
            transform: scale(1.03);
        }
        .scroll-cover::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(0, 0, 0, 0) 40%, rgba(0, 0, 0, 0.8) 100%);
        }
        .play-badge {
            position: absolute;
            top: 12px;
            right: 12px;
            z-index: 2;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background-color: rgba(0, 0, 0, 0.7);
            border: 1px solid rgba(255, 255, 255, 0.4);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            transition: all 0.2s ease;
        }
        .scroll-card:hover .play-badge {
            background-color: var(--color-primary);
            border-color: var(--color-primary);
            color: #0B0B0F;
            transform: scale(1.1);
        }
        .scroll-info {
            position: absolute;
            left: 0;
            right: 0;
            bottom: 0;
            z-index: 2;
            padding: 16px 12px 12px;
        }
        .scroll-info h3 {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text-hi);
            line-height: 1.4;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .scroll-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 6px;
            font-size: 12px;
            color: var(--color-text-low);
        }

        /* ========== 热门推荐卡片 ========== */
        .hot-grid {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 24px;
        }
        .hot-main-card {
            grid-column: span 1;
            grid-row: span 2;
            background-color: var(--color-bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-line);
            transition: all 0.25s ease;
            display: flex;
            flex-direction: column;
        }
        .hot-main-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card);
            border-color: rgba(201, 169, 98, 0.4);
        }
        .hot-main-cover {
            position: relative;
            width: 100%;
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }
        .hot-main-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .hot-main-cover::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.7) 100%);
        }
        .hot-main-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .hot-main-body .title {
            font-size: 20px;
            font-weight: 600;
            color: var(--color-text-hi);
            line-height: 1.5;
            margin-bottom: 8px;
        }
        .hot-main-body .desc {
            font-size: 14px;
            color: var(--color-text-mid);
            line-height: 1.6;
            flex: 1;
        }
        .hot-main-body .meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--color-text-low);
            margin-top: 16px;
        }
        .hot-side-list {
            grid-column: span 1;
            grid-row: span 2;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .hot-side-item {
            display: flex;
            gap: 16px;
            background-color: var(--color-bg-card);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-md);
            padding: 12px;
            transition: all 0.25s ease;
            align-items: center;
            flex: 1;
        }
        .hot-side-item:hover {
            background-color: var(--color-surface-hover);
            border-color: rgba(201, 169, 98, 0.4);
            transform: translateX(-4px);
        }
        .hot-side-item img {
            width: 96px;
            height: 96px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }
        .hot-side-content {
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 4px;
        }
        .hot-side-content h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text-hi);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .hot-side-content .meta {
            font-size: 12px;
            color: var(--color-text-low);
        }

        /* ========== 内容列表（CMS） ========== */
        .news-block {
            padding: 72px 0;
            background-color: var(--color-bg-soft);
        }
        .news-cols {
            display: grid;
            grid-template-columns: 1.2fr 1.8fr;
            gap: 48px;
            align-items: start;
        }
        .news-side {
            background-color: var(--color-bg-card);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-lg);
            padding: 24px;
            height: 100%;
        }
        .news-side h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--color-text-hi);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--color-line);
        }
        .news-side p {
            color: var(--color-text-mid);
            font-size: 14px;
            line-height: 1.8;
        }
        .news-main {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .news-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 12px;
            border-radius: var(--radius-md);
            transition: all 0.2s ease;
            border-bottom: 1px solid var(--color-line);
        }
        .news-item:last-child {
            border-bottom: none;
        }
        .news-item:hover {
            background-color: var(--color-surface-hover);
        }
        .news-index {
            font-family: "DIN Alternate", "Arial Narrow", sans-serif;
            font-size: 18px;
            color: var(--color-primary);
            font-weight: 600;
            flex-shrink: 0;
            width: 36px;
        }
        .news-content {
            flex: 1;
            min-width: 0;
        }
        .news-content h4 {
            font-size: 15px;
            color: var(--color-text-hi);
            font-weight: 500;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .news-content h4:hover {
            color: var(--color-primary);
        }
        .news-content .summary {
            font-size: 13px;
            color: var(--color-text-mid);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .news-date {
            font-size: 13px;
            color: var(--color-text-low);
        }
        .empty-state {
            padding: 40px 24px;
            text-align: center;
            border: 1px dashed var(--color-line);
            border-radius: var(--radius-md);
            color: var(--color-text-mid);
            font-size: 14px;
        }
        .empty-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 1px solid rgba(201, 169, 98, 0.4);
            margin: 0 auto 12px;
        }

        /* ========== 亮点 / 功能 ========== */
        .features-section {
            padding: 72px 0;
        }
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .feature-card {
            background-color: var(--color-bg-card);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: all 0.25s ease;
        }
        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card);
            border-color: rgba(201, 169, 98, 0.3);
        }
        .feature-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
            margin-bottom: 16px;
            background-color: rgba(201, 169, 98, 0.08);
        }
        .feature-card h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-text-hi);
            margin-bottom: 8px;
        }
        .feature-card p {
            font-size: 14px;
            color: var(--color-text-mid);
            line-height: 1.7;
        }

        /* ========== 常见问题 ========== */
        .faq-section {
            padding: 72px 0;
            background-color: var(--color-bg-soft);
        }
        .faq-grid {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        details.faq-item {
            background-color: var(--color-bg-card);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-md);
            padding: 0 20px;
            transition: all 0.2s ease;
        }
        details.faq-item:hover {
            border-color: rgba(201, 169, 98, 0.3);
        }
        details.faq-item[open] {
            border-color: rgba(201, 169, 98, 0.5);
        }
        details.faq-item summary {
            list-style: none;
            cursor: pointer;
            padding: 18px 0;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text-hi);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
        details.faq-item summary::-webkit-details-marker {
            display: none;
        }
        details.faq-item summary .icon {
            width: 20px;
            height: 20px;
            border-radius: 50%;
            border: 1px solid var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
            font-size: 14px;
            flex-shrink: 0;
            transition: all 0.2s ease;
        }
        details.faq-item[open] summary .icon {
            background-color: var(--color-primary);
            color: #0B0B0F;
        }
        .faq-answer {
            padding: 0 0 20px;
            font-size: 14px;
            color: var(--color-text-mid);
            line-height: 1.8;
        }

        /* ========== CTA 转化区 ========== */
        .cta-section {
            padding: 24px 0 72px;
        }
        .cta-banner {
            background-color: var(--color-surface-hover);
            border: 1px solid rgba(201, 169, 98, 0.4);
            border-radius: var(--radius-lg);
            padding: 48px 64px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 80% 50%, rgba(201, 169, 98, 0.15), transparent 50%);
        }
        .cta-content {
            position: relative;
            z-index: 1;
        }
        .cta-content h2 {
            font-size: 28px;
            font-weight: 600;
            color: var(--color-text-hi);
            line-height: 1.4;
            margin-bottom: 8px;
        }
        .cta-content p {
            color: var(--color-text-mid);
            font-size: 15px;
        }
        .cta-banner .btn {
            position: relative;
            z-index: 1;
            flex-shrink: 0;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background-color: #08080C;
            border-top: 1px solid var(--color-line);
            padding: 64px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 48px;
        }
        .footer-brand .logo {
            margin-bottom: 16px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--color-text-mid);
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text-hi);
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul a {
            font-size: 14px;
            color: var(--color-text-mid);
            transition: all 0.2s ease;
        }
        .footer-col ul a:hover {
            color: var(--color-primary);
        }
        .footer-bottom {
            border-top: 1px solid var(--color-line);
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }
        .footer-bottom .copyright {
            font-size: 13px;
            color: var(--color-text-low);
        }
        .footer-bottom .copyright a {
            color: var(--color-text-low);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .main-nav {
                display: none;
            }
            .hamburger {
                display: flex;
                margin-left: auto;
            }
            .header-tools .search-box {
                display: none;
            }
            .nav-wrap {
                gap: 16px;
            }
            .hot-grid {
                grid-template-columns: 1fr 1fr;
            }
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-cols {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .hero {
                padding: 100px 0 56px;
                min-height: 80vh;
            }
            .hero-title {
                font-size: 32px;
            }
            .hero-sub {
                font-size: 15px;
            }
            .hero-info-card {
                display: none;
            }
            .scroll-section {
                margin-top: -48px;
                padding-bottom: 48px;
            }
            .hot-grid {
                grid-template-columns: 1fr;
            }
            .hot-main-card {
                grid-column: auto;
                grid-row: auto;
            }
            .hot-side-list {
                flex-direction: row;
                overflow-x: auto;
                grid-row: auto;
            }
            .hot-side-item {
                flex: 0 0 80%;
            }
            .section-head {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .section-title {
                font-size: 22px;
            }
            .feature-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .news-cols {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .news-meta .news-date {
                display: none;
            }
            .cta-banner {
                padding: 32px 24px;
            }
            .cta-content h2 {
                font-size: 22px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 520px) {
            .btn-lg {
                height: 44px;
                padding: 0 20px;
                font-size: 15px;
            }
            .scroll-card {
                width: 160px;
            }
            .footer-bottom {
                justify-content: center;
                text-align: center;
            }
        }

/* roulang page: category1 */
:root {
            --color-bg: #0B0B0F;
            --color-bg-soft: #12121A;
            --color-bg-card: #181822;
            --color-surface-hover: #232330;
            --color-primary: #C9A962;
            --color-primary-hover: #DFC078;
            --color-accent-deep: #D4B478;
            --color-alert: #E2574C;
            --color-text-hi: #F5F1E8;
            --color-text-mid: #A7A3B5;
            --color-text-low: #646170;
            --color-line: #2A2A35;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 8px;
            --shadow-card: 0 2px 8px rgba(0, 0, 0, .25), 0 8px 30px rgba(0, 0, 0, .12);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", system-ui, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font-sans);
            background: var(--color-bg);
            color: var(--color-text-hi);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color .2s ease, background .2s ease, border .2s ease, box-shadow .2s ease, transform .2s ease;
        }

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

        ul,
        ol {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        h1,
        h2,
        h3,
        h4,
        p {
            margin: 0;
        }

        button,
        input {
            font: inherit;
            color: inherit;
        }

        ::placeholder {
            color: var(--color-text-low);
        }

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

        .container {
            max-width: 1240px;
            margin-inline: auto;
            padding-inline: 1.5rem;
        }

        .section {
            padding-top: 76px;
            padding-bottom: 76px;
        }

        .section-head {
            margin-bottom: 36px;
        }

        .section-head h2 {
            font-size: 28px;
            line-height: 1.4;
            font-weight: 700;
            letter-spacing: .02em;
            color: var(--color-text-hi);
        }

        .section-sub {
            font-size: 15px;
            color: var(--color-text-mid);
            max-width: 660px;
            margin-top: 10px;
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 11px;
            letter-spacing: .3em;
            text-transform: uppercase;
            color: var(--color-primary);
            font-weight: 500;
            margin-bottom: 14px;
        }

        .eyebrow::before {
            content: "";
            width: 24px;
            height: 1px;
            background: var(--color-primary);
            opacity: .7;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            color: #d6b36a;
            background: rgba(201, 169, 98, .12);
            border: 1px solid rgba(201, 169, 98, .2);
            white-space: nowrap;
        }

        .btn-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 40px;
            padding: 0 22px;
            border-radius: var(--radius-md);
            background: var(--color-primary);
            color: #0B0B0F;
            font-weight: 600;
            font-size: 15px;
            border: 1px solid transparent;
            cursor: pointer;
            transition: all .2s ease;
        }

        .btn-gold:hover {
            background: var(--color-primary-hover);
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(201, 169, 98, .16);
        }

        .btn-gold:active {
            filter: brightness(.95);
            transform: translateY(0);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 40px;
            padding: 0 22px;
            border-radius: var(--radius-md);
            background: transparent;
            color: var(--color-primary);
            font-weight: 600;
            font-size: 15px;
            border: 1px solid rgba(201, 169, 98, .55);
            cursor: pointer;
            transition: all .2s ease;
        }

        .btn-outline:hover {
            background: rgba(201, 169, 98, .12);
            color: var(--color-primary-hover);
            border-color: var(--color-primary-hover);
            transform: translateY(-1px);
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 60;
            background: rgba(18, 18, 26, .96);
            border-bottom: 1px solid var(--color-line);
            transition: background .2s ease, box-shadow .2s ease;
        }

        .site-header.is-scrolled {
            background: #101018;
            box-shadow: var(--shadow-card);
        }

        .header-inner {
            display: flex;
            align-items: center;
            gap: 28px;
            min-height: 70px;
        }

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

        .logo-icon {
            width: 38px;
            height: 38px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            border: 1px solid var(--color-primary);
            color: var(--color-primary);
            background: rgba(201, 169, 98, .06);
        }

        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.15;
            letter-spacing: .01em;
        }

        .logo-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text-hi);
        }

        .logo-sub {
            font-size: 11px;
            letter-spacing: .18em;
            color: var(--color-text-low);
            margin-top: 3px;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-inline: auto;
        }

        .main-nav a {
            position: relative;
            padding: 8px 14px;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text-mid);
            white-space: nowrap;
        }

        .main-nav a:hover {
            color: var(--color-text-hi);
        }

        .main-nav a.active {
            color: var(--color-primary);
            font-weight: 600;
        }

        .main-nav a.active::after {
            content: "";
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 1px;
            height: 2px;
            border-radius: 2px;
            background: var(--color-primary);
        }

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

        .search-box {
            position: relative;
            width: 200px;
        }

        .search-icon {
            position: absolute;
            left: 12px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--color-text-low);
            pointer-events: none;
        }

        .search-box input {
            width: 100%;
            height: 38px;
            padding: 0 12px 0 36px;
            border-radius: 999px;
            border: 1px solid var(--color-line);
            background: #101018;
            color: var(--color-text-hi);
            font-size: 14px;
            outline: none;
            transition: border .2s ease, box-shadow .2s ease;
        }

        .search-box input:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(201, 169, 98, .14);
        }

        .nav-toggle {
            display: none;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 12px;
            border: 1px solid var(--color-line);
            background: transparent;
            color: var(--color-primary);
            cursor: pointer;
        }

        .nav-toggle:hover {
            border-color: var(--color-primary);
        }

        .category-hero {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            background-size: cover;
            background-position: center;
            padding: 80px 0 64px;
            overflow: hidden;
        }

        .category-hero::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 11, 15, .32) 0%, rgba(11, 11, 15, .7) 64%, var(--color-bg) 100%);
        }

        .category-hero-inner {
            position: relative;
            z-index: 2;
            width: 100%;
        }

        .crumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: var(--color-text-low);
            margin-bottom: 18px;
        }

        .crumb a:hover {
            color: var(--color-primary);
        }

        .crumb span.divider {
            color: var(--color-text-low);
        }

        .category-hero h1 {
            font-size: 44px;
            line-height: 1.25;
            font-weight: 700;
            letter-spacing: .02em;
            color: var(--color-text-hi);
            max-width: 720px;
        }

        .category-hero h1 span {
            color: var(--color-primary);
        }

        .category-hero .lead {
            margin-top: 18px;
            font-size: 17px;
            line-height: 1.8;
            color: rgba(245, 241, 232, .82);
            max-width: 720px;
        }

        .category-hero .hero-cta {
            margin-top: 28px;
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 14px;
        }

        .spotlight-card {
            display: grid;
            grid-template-columns: 1.1fr 1fr;
            border-radius: var(--radius-lg);
            background: var(--color-bg-card);
            border: 1px solid var(--color-line);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: box-shadow .25s ease, border-color .25s ease;
        }

        .spotlight-card:hover {
            border-color: rgba(201, 169, 98, .38);
            box-shadow: 0 8px 36px rgba(0, 0, 0, .3);
        }

        .spotlight-media {
            min-height: 300px;
            position: relative;
            overflow: hidden;
        }

        .spotlight-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            object-position: center;
            transition: transform .4s ease;
            position: absolute;
            inset: 0;
        }

        .spotlight-card:hover .spotlight-media img {
            transform: scale(1.03);
        }

        .spotlight-body {
            padding: 38px 40px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: flex-start;
            gap: 16px;
        }

        .spotlight-body h3 {
            font-size: 23px;
            line-height: 1.5;
            font-weight: 600;
            color: var(--color-text-hi);
        }

        .spotlight-body p {
            font-size: 15px;
            line-height: 1.8;
            color: var(--color-text-mid);
        }

        .spotlight-foot {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            margin-top: 6px;
        }

        .intel-section {
            background: var(--color-bg-soft);
        }

        .intel-board {
            border-top: 1px solid var(--color-line);
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            column-gap: 40px;
            background: var(--color-bg-card);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-lg);
            padding: 8px 28px;
            box-shadow: var(--shadow-card);
            overflow: hidden;
        }

        .intel-col {
            display: flex;
            flex-direction: column;
        }

        .intel-col+.intel-col {
            border-left: 1px solid var(--color-line);
        }

        .intel-row {
            display: grid;
            grid-template-columns: 52px minmax(0, 1fr);
            gap: 18px;
            padding: 22px 14px;
            border-bottom: 1px solid rgba(42, 42, 53, .72);
            transition: background .2s ease;
            border-radius: 10px;
        }

        .intel-row:last-child {
            border-bottom: none;
        }

        .intel-row:hover {
            background: var(--color-surface-hover);
        }

        .intel-idx {
            font-family: "DIN Alternate", "Arial Narrow", sans-serif;
            font-size: 20px;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.5;
            padding-top: 4px;
        }

        .intel-main {
            min-width: 0;
        }

        .intel-title {
            display: block;
            font-size: 16px;
            line-height: 1.6;
            font-weight: 600;
            color: var(--color-text-hi);
            margin-bottom: 9px;
            transition: color .2s ease;
        }

        .intel-row:hover .intel-title {
            color: var(--color-primary-hover);
        }

        .intel-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
        }

        .intel-date {
            font-size: 13px;
            color: var(--color-text-low);
        }

        .intel-tag {
            font-size: 12px;
            line-height: 1;
            padding: 4px 10px;
            border-radius: 999px;
            background: rgba(201, 169, 98, .12);
            color: #d6b36a;
            border: 1px solid rgba(201, 169, 98, .15);
        }

        .type-grid {
            display: grid;
            grid-template-columns: repeat(4, minmax(0, 1fr));
            gap: 20px;
        }

        .type-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: all .25s ease;
        }

        .type-card:hover {
            transform: translateY(-4px);
            border-color: rgba(201, 169, 98, .42);
            box-shadow: var(--shadow-card);
        }

        .type-icon {
            width: 46px;
            height: 46px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 13px;
            background: rgba(201, 169, 98, .1);
            border: 1px solid rgba(201, 169, 98, .18);
            color: var(--color-primary);
            margin-bottom: 18px;
        }

        .type-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--color-text-hi);
            margin-bottom: 8px;
        }

        .type-card p {
            font-size: 14px;
            line-height: 1.75;
            color: var(--color-text-mid);
        }

        .mini-band {
            border-top: 1px solid var(--color-line);
            border-bottom: 1px solid var(--color-line);
            background: var(--color-bg-soft);
            padding: 44px 0;
        }

        .mini-band-grid {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 20px;
        }

        .mini-band-item {
            padding: 0 14px;
            border-left: 2px solid rgba(201, 169, 98, .35);
        }

        .mini-band-item:first-child {
            border-left-color: var(--color-primary);
        }

        .mini-band-item .k {
            font-size: 12px;
            letter-spacing: .08em;
            color: var(--color-text-low);
            text-transform: uppercase;
        }

        .mini-band-item .v {
            margin-top: 6px;
            font-size: 18px;
            font-weight: 600;
            color: var(--color-text-hi);
        }

        .faq-section {
            background: var(--color-bg);
        }

        .faq-grid {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 20px;
        }

        .faq-item {
            background: var(--color-bg-card);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-lg);
            padding: 24px 26px;
            transition: border-color .2s ease, background .2s ease;
        }

        .faq-item:hover {
            border-color: rgba(201, 169, 98, .32);
            background: #1b1b26;
        }

        .faq-item summary {
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            line-height: 1.55;
            color: var(--color-text-hi);
            list-style: none;
            display: flex;
            justify-content: space-between;
            gap: 12px;
            align-items: flex-start;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary::after {
            content: "+";
            flex-shrink: 0;
            font-size: 20px;
            font-weight: 400;
            color: var(--color-primary);
            line-height: 1;
            margin-top: -2px;
            transition: transform .2s ease;
        }

        .faq-item[open] summary::after {
            content: "−";
            transform: rotate(180deg);
        }

        .faq-body {
            padding-top: 16px;
            font-size: 14px;
            line-height: 1.8;
            color: var(--color-text-mid);
        }

        .cta-strip {
            background: linear-gradient(100deg, #1b1b24 0%, #26222a 60%, #312b2a 100%);
            border: 1px solid rgba(201, 169, 98, .36);
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
            flex-wrap: wrap;
            box-shadow: var(--shadow-card);
        }

        .cta-strip h2 {
            font-size: 24px;
            line-height: 1.4;
            font-weight: 700;
            color: var(--color-text-hi);
        }

        .cta-strip p {
            color: var(--color-text-mid);
            margin-top: 6px;
            font-size: 15px;
        }

        .cta-actions {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
        }

        .site-footer {
            background: var(--color-bg-soft);
            border-top: 1px solid var(--color-line);
            padding-top: 64px;
            margin-top: 20px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 44px;
            padding-bottom: 40px;
        }

        .footer-brand p {
            margin-top: 14px;
            font-size: 14px;
            color: var(--color-text-mid);
            max-width: 360px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text-hi);
            margin-bottom: 18px;
        }

        .footer-col li {
            margin-bottom: 10px;
        }

        .footer-col a {
            color: var(--color-text-mid);
            font-size: 14px;
        }

        .footer-col a:hover {
            color: var(--color-primary);
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-top: 1px solid var(--color-line);
            padding: 20px 0 28px;
            color: var(--color-text-low);
            font-size: 13px;
            gap: 14px;
            flex-wrap: wrap;
        }

        @media (max-width: 1024px) {
            .header-inner {
                gap: 16px;
            }
            .main-nav {
                gap: 2px;
            }
            .main-nav a {
                padding: 8px 10px;
                font-size: 14px;
            }
            .search-box {
                width: 150px;
            }
            .spotlight-card {
                grid-template-columns: 1fr;
            }
            .spotlight-media {
                min-height: 280px;
                position: relative;
            }
            .spotlight-media img {
                position: relative;
                height: auto;
                min-height: 280px;
            }
            .type-grid {
                grid-template-columns: repeat(2, minmax(0, 1fr));
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding-inline: 1rem;
            }
            .section {
                padding-top: 50px;
                padding-bottom: 50px;
            }
            .section-head h2 {
                font-size: 22px;
            }
            .main-nav,
            .header-actions .search-box {
                display: none;
            }
            .header-actions {
                margin-left: auto;
            }
            .nav-toggle {
                display: inline-flex;
            }
            .main-nav.open {
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                display: flex;
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
                background: var(--color-bg-soft);
                border-bottom: 1px solid var(--color-line);
                box-shadow: var(--shadow-card);
                padding: 14px 16px 20px;
            }
            .main-nav.open a {
                width: 100%;
                border-radius: 10px;
                padding: 10px 14px;
            }
            .main-nav.open a.active::after {
                display: none;
            }
            .main-nav.open a.active {
                background: rgba(201, 169, 98, .12);
            }
            .category-hero {
                min-height: 380px;
                padding: 60px 0 48px;
            }
            .category-hero h1 {
                font-size: 30px;
            }
            .intel-board {
                grid-template-columns: 1fr;
                padding: 10px 12px;
            }
            .intel-col+.intel-col {
                border-left: none;
                border-top: 1px solid var(--color-line);
            }
            .spotlight-body {
                padding: 28px 24px;
            }
            .faq-grid {
                grid-template-columns: 1fr;
            }
            .cta-strip {
                padding: 36px 24px;
            }
            .cta-actions {
                width: 100%;
            }
            .cta-actions .btn-gold,
            .cta-actions .btn-outline {
                flex: 1;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .mini-band-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        @media (max-width: 520px) {
            .header-actions .btn-gold {
                padding: 0 14px;
                font-size: 14px;
            }
            .search-box {
                display: none;
            }
            .category-hero h1 {
                font-size: 26px;
            }
            .category-hero .lead {
                font-size: 15px;
            }
            .type-grid {
                grid-template-columns: 1fr;
            }
            .type-card {
                padding: 22px 18px;
            }
            .spotlight-body h3 {
                font-size: 18px;
            }
            .intel-row {
                padding: 18px 6px;
            }
            .intel-title {
                font-size: 15px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

/* roulang page: article */
:root {
        --color-bg: #0B0B0F;
        --color-bg-soft: #12121A;
        --color-bg-card: #181822;
        --color-surface-hover: #232330;
        --color-primary: #C9A962;
        --color-primary-hover: #DFC078;
        --color-accent-deep: #D4B478;
        --color-danger: #E2574C;
        --color-text-hi: #F5F1E8;
        --color-text-mid: #A7A3B5;
        --color-text-low: #646170;
        --color-line: #2A2A35;
        --radius-lg: 20px;
        --radius-md: 14px;
        --radius-sm: 8px;
        --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.25), 0 8px 30px rgba(0, 0, 0, 0.12);
        --font-sans: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", system-ui, sans-serif;
    }

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

    html {
        scroll-behavior: smooth;
    }

    body {
        margin: 0;
        font-family: var(--font-sans);
        background: var(--color-bg);
        color: var(--color-text-hi);
        line-height: 1.75;
        -webkit-font-smoothing: antialiased;
        text-rendering: optimizeLegibility;
        overflow-x: hidden;
    }

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

    svg {
        display: inline-block;
        fill: currentColor;
    }

    a {
        color: inherit;
        text-decoration: none;
        transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
    }

    input,
    button {
        font-family: inherit;
        font-size: inherit;
    }

    button {
        cursor: pointer;
        border: none;
    }

    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    summary:focus-visible {
        outline: 2px solid var(--color-primary);
        outline-offset: 2px;
        border-radius: 8px;
    }

    .skip-link {
        position: absolute;
        left: -999px;
        top: 12px;
        padding: 10px 16px;
        background: var(--color-primary);
        color: #17150F;
        border-radius: 10px;
        font-weight: 700;
        z-index: 200;
    }

    .skip-link:focus {
        left: 16px;
    }

    .container {
        max-width: 1240px;
        margin-left: auto;
        margin-right: auto;
        padding-left: 24px;
        padding-right: 24px;
    }

    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        height: 44px;
        padding: 0 22px;
        border-radius: var(--radius-md);
        font-weight: 600;
        font-size: 15px;
        line-height: 1;
        white-space: nowrap;
        border: 1px solid transparent;
        transition: all 0.2s ease;
    }

    .btn-primary {
        background: var(--color-primary);
        color: #17150F;
        box-shadow: 0 6px 18px rgba(201, 169, 98, 0.12);
    }

    .btn-primary:hover {
        background: var(--color-primary-hover);
        color: #17150F;
        box-shadow: 0 8px 24px rgba(201, 169, 98, 0.18);
        transform: translateY(-2px);
    }

    .btn-ghost {
        border-color: rgba(201, 169, 98, 0.55);
        background: transparent;
        color: var(--color-primary);
    }

    .btn-ghost:hover {
        background: rgba(201, 169, 98, 0.12);
        color: var(--color-text-hi);
        border-color: var(--color-primary);
    }

    .btn-light {
        background: var(--color-text-hi);
        color: #17150F;
    }

    .btn-light:hover {
        background: #ffffff;
        color: #17150F;
        transform: translateY(-2px);
    }

    .btn-sm {
        height: 38px;
        padding: 0 16px;
        border-radius: 10px;
        font-size: 14px;
    }

    .site-header {
        position: sticky;
        top: 0;
        z-index: 100;
        background: rgba(18, 18, 26, 0.98);
        border-bottom: 1px solid var(--color-line);
        transition: box-shadow 0.2s ease, background 0.2s ease;
    }

    .site-header.scrolled {
        background: rgba(12, 12, 18, 0.98);
        box-shadow: var(--shadow-card);
    }

    .header-bar {
        display: flex;
        align-items: center;
        gap: 32px;
        min-height: 76px;
        padding-top: 12px;
        padding-bottom: 12px;
    }

    .brand {
        display: inline-flex;
        align-items: center;
        gap: 12px;
        flex: 0 0 auto;
    }

    .brand-icon {
        display: grid;
        place-items: center;
        width: 44px;
        height: 44px;
        border-radius: 13px;
        border: 1px solid var(--color-primary);
        color: var(--color-primary);
        background: rgba(201, 169, 98, 0.08);
    }

    .brand-title {
        display: block;
        font-size: 17px;
        font-weight: 700;
        line-height: 1.2;
        letter-spacing: 0.02em;
    }

    .brand-sub {
        display: block;
        font-size: 11px;
        color: var(--color-text-low);
        line-height: 1.3;
        margin-top: 2px;
        letter-spacing: 0.12em;
    }

    .site-nav {
        display: flex;
        align-items: center;
        gap: 4px;
    }

    .site-nav a {
        position: relative;
        padding: 10px 16px;
        color: var(--color-text-mid);
        font-weight: 500;
        font-size: 15px;
        border-radius: 10px;
    }

    .site-nav a:hover {
        color: var(--color-text-hi);
        background: rgba(255, 255, 255, 0.04);
    }

    .site-nav a.active {
        color: var(--color-primary);
        font-weight: 600;
    }

    .site-nav a.active::after {
        content: "";
        position: absolute;
        left: 18px;
        right: 18px;
        bottom: 3px;
        height: 2px;
        background: var(--color-primary);
        border-radius: 2px;
    }

    .header-tools {
        margin-left: auto;
        display: flex;
        align-items: center;
        gap: 14px;
    }

    .header-search {
        position: relative;
        display: flex;
        align-items: center;
        width: 208px;
    }

    .header-search svg {
        position: absolute;
        left: 12px;
        top: 50%;
        transform: translateY(-50%);
        width: 17px;
        height: 17px;
        color: var(--color-text-low);
        pointer-events: none;
    }

    .header-search input {
        width: 100%;
        height: 40px;
        border: 1px solid var(--color-line);
        background: #101018;
        color: var(--color-text-hi);
        border-radius: var(--radius-md);
        padding: 0 14px 0 38px;
        font-size: 14px;
        transition: border-color 0.2s ease, box-shadow 0.2s ease;
    }

    .header-search input::placeholder {
        color: var(--color-text-low);
    }

    .header-search input:focus {
        outline: none;
        border-color: var(--color-primary);
        box-shadow: 0 0 0 3px rgba(201, 169, 98, 0.15);
    }

    .nav-burger {
        display: none;
        width: 46px;
        height: 46px;
        align-items: center;
        justify-content: center;
        background: transparent;
        border-radius: 10px;
    }

    .nav-burger span {
        display: block;
        width: 22px;
        height: 2px;
        background: var(--color-primary);
        margin: 3px 0;
        border-radius: 2px;
        transition: transform 0.2s ease, opacity 0.2s ease;
    }

    .nav-burger.open span:nth-child(1) {
        transform: translateY(5px) rotate(45deg);
    }

    .nav-burger.open span:nth-child(2) {
        opacity: 0;
    }

    .nav-burger.open span:nth-child(3) {
        transform: translateY(-5px) rotate(-45deg);
    }

    .mobile-menu {
        display: none;
        border-top: 1px solid var(--color-line);
        background: var(--color-bg-soft);
    }

    .mobile-menu.open {
        display: block;
    }

    .mobile-menu-inner {
        display: flex;
        flex-direction: column;
        gap: 6px;
        padding: 18px 24px 24px;
    }

    .mobile-menu a {
        padding: 12px 14px;
        font-weight: 500;
        color: var(--color-text-mid);
        border-radius: 10px;
    }

    .mobile-menu a:hover {
        color: var(--color-text-hi);
        background: rgba(255, 255, 255, 0.04);
    }

    .mobile-menu .btn {
        margin-top: 12px;
        width: 100%;
    }

    .article-hero {
        position: relative;
        background-size: cover;
        background-position: center;
        border-bottom: 1px solid var(--color-line);
        padding: 90px 0 72px;
    }

    .breadcrumbs {
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        gap: 8px;
        font-size: 13px;
        color: var(--color-text-low);
        margin-bottom: 40px;
    }

    .breadcrumbs a:hover {
        color: var(--color-primary);
    }

    .breadcrumbs .sep {
        color: var(--color-line);
    }

    .article-hero h1 {
        font-size: clamp(30px, 4.4vw, 46px);
        line-height: 1.25;
        font-weight: 700;
        letter-spacing: 0.01em;
        max-width: 900px;
        margin: 16px 0 20px;
    }

    .post-tag {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 5px 12px;
        border-radius: 999px;
        background: rgba(201, 169, 98, 0.12);
        color: #D6B36A;
        font-weight: 500;
        font-size: 13px;
        border: 1px solid rgba(201, 169, 98, 0.16);
    }

    .post-tag-lg {
        font-size: 14px;
        padding: 7px 14px;
    }

    .article-meta {
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        gap: 16px;
        margin-top: 24px;
    }

    .meta-item {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 13px;
        color: var(--color-text-mid);
    }

    .meta-item svg {
        width: 16px;
        height: 16px;
        color: var(--color-text-low);
    }

    .article-section {
        padding: 64px 0 80px;
    }

    .container-narrow {
        max-width: 880px;
    }

    .article-card {
        background: var(--color-bg-card);
        border: 1px solid var(--color-line);
        border-radius: var(--radius-lg);
        padding: clamp(1.5rem, 4vw, 2.75rem);
        box-shadow: var(--shadow-card);
    }

    .article-body {
        color: var(--color-text-mid);
        font-size: 16px;
        line-height: 1.9;
        word-break: normal;
    }

    .article-body p {
        margin: 1.2em 0;
    }

    .article-body h2 {
        color: var(--color-text-hi);
        font-size: 24px;
        line-height: 1.45;
        font-weight: 600;
        margin: 2em 0 0.8em;
    }

    .article-body h3 {
        color: var(--color-text-hi);
        font-size: 19px;
        line-height: 1.5;
        font-weight: 600;
        margin: 1.8em 0 0.7em;
    }

    .article-body a {
        color: var(--color-primary);
        border-bottom: 1px solid rgba(201, 169, 98, 0.3);
    }

    .article-body a:hover {
        color: var(--color-primary-hover);
        border-bottom-color: var(--color-primary);
    }

    .article-body blockquote {
        margin: 1.6em 0;
        padding: 16px 20px;
        border-left: 2px solid var(--color-primary);
        background: rgba(201, 169, 98, 0.05);
        border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
        color: var(--color-text-hi);
    }

    .article-body blockquote p {
        margin: 0;
    }

    .article-body ul,
    .article-body ol {
        margin: 1em 0;
        padding-left: 1.4em;
    }

    .article-body li {
        margin: 0.4em 0;
    }

    .article-body ul li {
        list-style: disc;
    }

    .article-body ol li {
        list-style: decimal;
    }

    .article-body img {
        width: 100%;
        height: auto;
        border-radius: 14px;
        margin: 1.8em 0;
        aspect-ratio: 16 / 9;
        object-fit: cover;
    }

    .article-body strong {
        color: var(--color-text-hi);
        font-weight: 600;
    }

    .article-footer-extra {
        margin-top: 44px;
        padding-top: 28px;
        border-top: 1px solid var(--color-line);
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        justify-content: space-between;
        gap: 16px;
    }

    .article-footer-extra a {
        color: var(--color-primary);
        font-weight: 500;
        font-size: 14px;
        display: inline-flex;
        align-items: center;
        gap: 8px;
    }

    .post-tags-row {
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        gap: 8px;
    }

    .promo-section {
        background: var(--color-bg);
        padding: 90px 0;
    }

    .section-head {
        max-width: 760px;
        margin-bottom: 36px;
    }

    .overline {
        display: inline-block;
        font-size: 11px;
        letter-spacing: 0.3em;
        color: var(--color-primary);
        text-transform: uppercase;
        margin-bottom: 10px;
    }

    .section-title {
        margin-top: 0;
        margin-bottom: 12px;
        font-size: 30px;
        line-height: 1.35;
        font-weight: 600;
    }

    .section-desc {
        margin: 0;
        color: var(--color-text-mid);
        font-size: 15px;
    }

    .promo-grid {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 24px;
    }

    .promo-card {
        overflow: hidden;
        background: var(--color-bg-card);
        border: 1px solid var(--color-line);
        border-radius: var(--radius-lg);
        transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
        display: block;
    }

    .promo-card:hover {
        transform: translateY(-6px);
        box-shadow: var(--shadow-card), 0 0 0 1px rgba(201, 169, 98, 0.25);
        border-color: rgba(201, 169, 98, 0.35);
    }

    .promo-media {
        position: relative;
        aspect-ratio: 16 / 10;
        overflow: hidden;
        background-size: cover;
        background-position: center;
    }

    .promo-media::after {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(180deg, rgba(11, 11, 15, 0.05) 50%, rgba(11, 11, 15, 0.75) 100%);
    }

    .promo-media span {
        position: absolute;
        left: 16px;
        bottom: 14px;
        z-index: 2;
        font-size: 12px;
        font-weight: 600;
        letter-spacing: 0.08em;
        color: #F5F1E8;
        background: rgba(11, 11, 15, 0.55);
        padding: 6px 12px;
        border-radius: 999px;
        border: 1px solid rgba(255, 255, 255, 0.16);
    }

    .promo-info {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        padding: 18px 20px 20px;
    }

    .promo-info h3 {
        margin: 0;
        font-size: 17px;
        font-weight: 600;
        color: var(--color-text-hi);
    }

    .promo-info p {
        margin: 6px 0 0;
        color: var(--color-text-low);
        font-size: 13px;
    }

    .promo-arrow {
        width: 36px;
        height: 36px;
        flex: 0 0 36px;
        display: grid;
        place-items: center;
        border-radius: 50%;
        border: 1px solid var(--color-line);
        color: var(--color-text-mid);
        transition: all 0.2s ease;
    }

    .promo-card:hover .promo-arrow {
        border-color: var(--color-primary);
        color: var(--color-primary);
        background: rgba(201, 169, 98, 0.08);
    }

    .cta-wrap {
        padding: 12px 0 90px;
    }

    .cta-panel {
        position: relative;
        overflow: hidden;
        border: 1px solid rgba(201, 169, 98, 0.32);
        border-radius: 26px;
        padding: 48px clamp(24px, 6vw, 64px);
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 28px;
        background:
            linear-gradient(120deg, rgba(23, 21, 15, 0.55), rgba(23, 21, 15, 0.15)),
            linear-gradient(90deg, #24202a, rgba(201, 169, 98, 0.18));
    }

    .cta-panel h2 {
        margin: 6px 0 8px;
        font-size: clamp(24px, 3vw, 34px);
        line-height: 1.3;
        font-weight: 700;
        color: #fff;
    }

    .cta-panel p {
        color: rgba(245, 241, 232, 0.8);
        margin: 0;
    }

    .faq-section {
        background: var(--color-bg-soft);
        border-top: 1px solid var(--color-line);
        padding: 90px 0;
    }

    .faq-grid {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 18px;
        margin-top: 32px;
    }

    .faq-item {
        background: var(--color-bg-card);
        border: 1px solid var(--color-line);
        border-radius: var(--radius-md);
        padding: 4px 22px;
        transition: border-color 0.2s ease, box-shadow 0.2s ease;
    }

    .faq-item:hover {
        border-color: rgba(201, 169, 98, 0.4);
    }

    .faq-item summary {
        list-style: none;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        padding: 18px 0;
        color: var(--color-text-hi);
        font-weight: 600;
        font-size: 15px;
        cursor: pointer;
    }

    .faq-item summary::-webkit-details-marker {
        display: none;
    }

    .faq-item summary::after {
        content: "+";
        flex: 0 0 22px;
        height: 22px;
        display: grid;
        place-items: center;
        font-size: 22px;
        font-weight: 300;
        color: var(--color-primary);
        border-radius: 50%;
        border: 1px solid rgba(201, 169, 98, 0.35);
        transition: transform 0.2s ease;
    }

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

    .faq-item p {
        margin: 0 0 18px;
        color: var(--color-text-mid);
        font-size: 14px;
        line-height: 1.75;
    }

    .site-footer {
        background: var(--color-bg-soft);
        border-top: 1px solid var(--color-line);
        padding: 80px 0 28px;
    }

    .footer-grid {
        display: grid;
        grid-template-columns: 1.6fr 1fr 1fr 1fr;
        gap: 44px;
        padding-bottom: 48px;
    }

    .footer-brand p {
        margin: 20px 0 0;
        color: var(--color-text-mid);
        font-size: 14px;
        max-width: 320px;
    }

    .footer-col h4 {
        margin: 0 0 18px;
        font-size: 15px;
        font-weight: 600;
        color: var(--color-text-hi);
    }

    .footer-col ul {
        margin: 0;
        padding: 0;
        list-style: none;
    }

    .footer-col li {
        margin-bottom: 12px;
    }

    .footer-col a {
        color: var(--color-text-low);
        font-size: 14px;
    }

    .footer-col a:hover {
        color: var(--color-primary);
    }

    .footer-bottom {
        border-top: 1px solid var(--color-line);
        padding-top: 24px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 16px;
        flex-wrap: wrap;
    }

    .copyright {
        color: var(--color-text-low);
        font-size: 13px;
    }

    @media (max-width: 1100px) {
        .site-nav {
            gap: 2px;
        }

        .site-nav a {
            padding: 10px 12px;
            font-size: 14px;
        }

        .header-search {
            width: 180px;
        }
    }

    @media (max-width: 1024px) {
        .site-nav {
            display: none;
        }

        .nav-burger {
            display: inline-flex;
        }

        .header-tools .header-search,
        .header-tools .btn-primary {
            display: none;
        }
    }

    @media (max-width: 900px) {
        .article-hero {
            padding: 60px 0 48px;
        }

        h1.breadcrumb-title {
            font-size: 32px;
        }

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

        .footer-grid {
            grid-template-columns: 1fr 1fr;
            gap: 36px;
        }
    }

    @media (max-width: 640px) {
        .container {
            padding-left: 16px;
            padding-right: 16px;
        }

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

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

        .article-section {
            padding: 44px 0 60px;
        }

        .promo-section {
            padding: 60px 0;
        }

        .faq-section {
            padding: 60px 0;
        }

        .cta-wrap {
            padding-bottom: 60px;
        }

        .cta-panel {
            padding: 34px 20px;
        }

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

    @media (max-width: 480px) {
        .header-bar {
            gap: 16px;
        }

        .brand-icon {
            width: 40px;
            height: 40px;
        }

        .brand-title {
            font-size: 16px;
        }

        .article-card {
            padding: 22px 18px;
        }

        .article-hero h1 {
            font-size: 27px;
        }
    }

/* roulang page: category2 */
:root {
            --color-bg: #0B0B0F;
            --color-bg-soft: #12121A;
            --color-bg-card: #181822;
            --color-surface-hover: #232330;
            --color-primary: #C9A962;
            --color-primary-hover: #DFC078;
            --gold-soft: #D6B36A;
            --color-text-hi: #F5F1E8;
            --color-text-mid: #A7A3B5;
            --color-text-low: #646170;
            --color-line: #2A2A35;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 8px;
            --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.25), 0 8px 30px rgba(0, 0, 0, 0.12);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", system-ui, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            background: var(--color-bg);
            color: var(--color-text-mid);
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color .2s ease, background .2s ease, border-color .2s ease, opacity .2s ease;
        }

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

        button,
        input {
            font-family: inherit;
            font-size: 100%;
            line-height: inherit;
            color: inherit;
        }

        button {
            background: none;
            border: none;
            cursor: pointer;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }

        .container {
            width: min(1240px, 100% - 48px);
            margin-inline: auto;
        }

        @media (max-width: 640px) {
            .container {
                width: min(100% - 32px, 1240px);
            }
        }

        .text-gold {
            color: var(--color-primary);
        }

        .section {
            padding: 84px 0;
        }

        .section-head {
            max-width: 760px;
            margin-bottom: 44px;
        }

        .section-kicker {
            font-size: 11px;
            letter-spacing: .3em;
            text-transform: uppercase;
            color: var(--color-primary);
            margin-bottom: 10px;
            font-weight: 600;
        }

        .section-head h2 {
            font-size: 30px;
            line-height: 1.35;
            color: var(--color-text-hi);
            font-weight: 700;
            letter-spacing: .01em;
        }

        .section-desc {
            margin-top: 14px;
            font-size: 15px;
            color: var(--color-text-mid);
            max-width: 720px;
        }

        @media (max-width: 640px) {
            .section {
                padding: 56px 0;
            }
            .section-head h2 {
                font-size: 22px;
            }
        }

        .surface-section {
            background: var(--color-bg-soft);
            border-top: 1px solid var(--color-line);
            border-bottom: 1px solid var(--color-line);
        }

        /* header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(11, 11, 15, 0.88);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--color-line);
            transition: background .3s ease, box-shadow .3s ease;
        }

        .site-header.scrolled {
            background: rgba(10, 10, 14, 0.98);
            box-shadow: var(--shadow-card);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            height: 84px;
        }

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

        .logo-icon {
            width: 44px;
            height: 44px;
            border-radius: 14px;
            display: grid;
            place-items: center;
            color: var(--color-primary);
            background: rgba(201, 169, 98, 0.08);
            border: 1px solid rgba(201, 169, 98, 0.55);
        }

        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.15;
        }

        .logo-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text-hi);
            letter-spacing: .02em;
        }

        .logo-sub {
            font-size: 11px;
            color: var(--color-text-low);
            letter-spacing: .08em;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 34px;
            margin-left: 12px;
        }

        .main-nav a {
            position: relative;
            color: var(--color-text-mid);
            font-weight: 500;
            font-size: 15px;
            padding: 10px 0;
            transition: color .2s ease;
        }

        .main-nav a:hover {
            color: var(--color-text-hi);
        }

        .main-nav a.active {
            color: var(--color-primary);
            font-weight: 600;
        }

        .main-nav a.active::after {
            content: "";
            position: absolute;
            left: 0;
            right: 0;
            bottom: -2px;
            height: 2px;
            border-radius: 2px;
            background: var(--color-primary);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            justify-content: flex-end;
        }

        .search-form {
            display: flex;
            align-items: center;
            background: #101018;
            border: 1px solid var(--color-line);
            border-radius: 999px;
            padding: 0 14px;
            height: 40px;
            width: 200px;
            transition: border-color .2s ease, box-shadow .2s ease;
        }

        .search-form:focus-within {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(201, 169, 98, 0.15);
        }

        .search-form svg {
            width: 16px;
            height: 16px;
            color: var(--color-text-low);
            margin-right: 8px;
            flex-shrink: 0;
        }

        .search-form input {
            width: 100%;
            background: transparent;
            border: 0;
            outline: none;
            color: var(--color-text-hi);
            font-size: 13px;
        }

        .search-form input::placeholder {
            color: var(--color-text-low);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: 12px;
            height: 44px;
            padding: 0 22px;
            font-size: 14px;
            font-weight: 600;
            line-height: 1;
            white-space: nowrap;
            border: 1px solid transparent;
            transition: all .2s ease;
            cursor: pointer;
        }

        .btn-primary {
            background: var(--color-primary);
            color: #0B0B0F;
        }

        .btn-primary:hover {
            background: var(--color-primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(201, 169, 98, 0.18);
        }

        .btn-primary:active {
            filter: brightness(0.94);
            transform: translateY(0);
        }

        .btn-ghost {
            color: var(--color-text-hi);
            border-color: rgba(201, 169, 98, 0.65);
            background: rgba(201, 169, 98, 0.06);
        }

        .btn-ghost:hover {
            background: rgba(201, 169, 98, 0.14);
            color: var(--color-primary-hover);
            transform: translateY(-2px);
        }

        .btn-header {
            height: 40px;
            padding: 0 20px;
            border-radius: 10px;
        }

        .nav-toggle {
            display: none;
            width: 42px;
            height: 40px;
            border: 1px solid var(--color-line);
            border-radius: 10px;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 5px;
            background: var(--color-bg-soft);
        }

        .nav-toggle span {
            width: 18px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            display: block;
        }

        .mobile-panel {
            display: none;
            padding: 18px 20px 28px;
            background: var(--color-bg-soft);
            border-top: 1px solid var(--color-line);
        }

        .mobile-panel nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
            margin-bottom: 16px;
        }

        .mobile-panel nav a {
            display: block;
            padding: 12px 0;
            border-bottom: 1px solid var(--color-line);
            color: var(--color-text-mid);
            font-weight: 500;
        }

        .mobile-panel nav a.active {
            color: var(--color-primary);
        }

        .mobile-panel .search-form {
            width: 100%;
            margin-bottom: 16px;
        }

        .mobile-panel.open {
            display: block;
        }

        @media (max-width: 1023px) {
            .main-nav {
                display: none;
            }
            .search-form {
                width: 170px;
            }
            .nav-toggle {
                display: inline-flex;
            }
            .header-actions .btn-header {
                display: none;
            }
        }

        @media (min-width: 1024px) {
            .mobile-panel {
                display: none !important;
            }
        }

        /* hero */
        .category-hero {
            position: relative;
            padding: 130px 0 104px;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            border-bottom: 1px solid var(--color-line);
        }

        .category-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(11, 11, 15, 0.92) 0%, rgba(11, 11, 15, 0.74) 50%, rgba(11, 11, 15, 0.55) 100%);
        }

        .category-hero .container {
            position: relative;
            z-index: 2;
        }

        .hero-content {
            max-width: 820px;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            color: var(--color-text-low);
            font-size: 13px;
            margin-bottom: 28px;
        }

        .breadcrumb a {
            color: var(--color-text-low);
            transition: color .2s ease;
        }

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

        .breadcrumb span {
            color: var(--color-line);
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            padding: 7px 14px;
            border: 1px solid rgba(201, 169, 98, 0.4);
            border-radius: 999px;
            color: var(--gold-soft);
            background: rgba(201, 169, 98, 0.08);
            font-size: 12px;
            font-weight: 500;
            letter-spacing: .08em;
            margin-bottom: 24px;
        }

        .category-hero h1 {
            color: var(--color-text-hi);
            font-size: 44px;
            line-height: 1.25;
            font-weight: 700;
            letter-spacing: .01em;
            margin-bottom: 24px;
        }

        .category-hero h1 .text-gold {
            color: var(--color-primary);
        }

        .hero-lead {
            font-size: 18px;
            line-height: 1.8;
            color: var(--color-text-mid);
            max-width: 720px;
            margin-bottom: 16px;
        }

        .hero-note {
            font-size: 15px;
            color: var(--color-text-low);
            max-width: 680px;
            margin-bottom: 28px;
        }

        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 36px;
        }

        .chip {
            display: inline-flex;
            align-items: center;
            padding: 6px 14px;
            border-radius: 999px;
            background: rgba(201, 169, 98, 0.1);
            color: var(--gold-soft);
            border: 1px solid rgba(201, 169, 98, 0.28);
            font-size: 13px;
            font-weight: 500;
        }

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

        @media (max-width: 768px) {
            .category-hero {
                padding: 96px 0 72px;
            }
            .category-hero h1 {
                font-size: 30px;
            }
            .hero-lead {
                font-size: 16px;
            }
            .hero-tags .chip {
                font-size: 12px;
                padding: 5px 10px;
            }
        }

        /* feature cards */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        @media (max-width: 1023px) {
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 560px) {
            .feature-grid {
                grid-template-columns: 1fr;
            }
        }

        .feature-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-md);
            padding: 30px 26px;
            transition: all .25s ease-out;
        }

        .feature-card:hover {
            transform: translateY(-4px);
            border-color: rgba(201, 169, 98, 0.4);
            box-shadow: var(--shadow-card);
        }

        .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: 16px;
            display: grid;
            place-items: center;
            background: rgba(201, 169, 98, 0.1);
            color: var(--color-primary);
            border: 1px solid rgba(201, 169, 98, 0.3);
            margin-bottom: 20px;
        }

        .feature-card h3 {
            color: var(--color-text-hi);
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 10px;
        }

        .feature-card p {
            font-size: 14px;
            color: var(--color-text-mid);
            line-height: 1.75;
        }

        /* visual showcase */
        .showcase-wrapper {
            display: grid;
            grid-template-columns: 1.2fr 1fr 0.9fr;
            gap: 24px;
            align-items: start;
        }

        .showcase-card {
            position: relative;
            overflow: hidden;
            border-radius: var(--radius-lg);
            background: var(--color-bg-card);
            border: 1px solid var(--color-line);
            box-shadow: var(--shadow-card);
            transition: all .25s ease-out;
        }

        .showcase-card:hover {
            transform: translateY(-4px);
            border-color: rgba(201, 169, 98, 0.42);
        }

        .showcase-media {
            width: 100%;
            height: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            transition: transform .4s ease;
        }

        .showcase-card:hover .showcase-media {
            transform: scale(1.03);
        }

        .showcase-card-tall .showcase-media {
            aspect-ratio: 4 / 5;
        }

        .showcase-card-wide .showcase-media {
            aspect-ratio: 16 / 10;
        }

        .showcase-overlay {
            position: absolute;
            inset: auto 0 0 0;
            padding: 28px 24px 20px;
            background: linear-gradient(180deg, rgba(11, 11, 15, 0) 0%, rgba(11, 11, 15, 0.72) 100%);
        }

        .showcase-overlay small {
            display: inline-block;
            font-size: 12px;
            color: var(--gold-soft);
            margin-bottom: 8px;
            letter-spacing: .04em;
        }

        .showcase-overlay h3 {
            color: var(--color-text-hi);
            font-size: 20px;
            font-weight: 600;
            line-height: 1.4;
        }

        .showcase-overlay p {
            color: rgba(245, 241, 232, 0.78);
            font-size: 13px;
            margin-top: 8px;
        }

        .showcase-stack {
            display: grid;
            gap: 24px;
        }

        @media (max-width: 1023px) {
            .showcase-wrapper {
                grid-template-columns: 1fr;
            }
            .showcase-stack {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 640px) {
            .showcase-stack {
                grid-template-columns: 1fr;
            }
            .showcase-overlay h3 {
                font-size: 17px;
            }
        }

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

        @media (max-width: 1023px) {
            .scene-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 560px) {
            .scene-grid {
                grid-template-columns: 1fr;
            }
        }

        .scene-card {
            position: relative;
            overflow: hidden;
            border-radius: var(--radius-md);
            background: var(--color-bg-card);
            border: 1px solid var(--color-line);
            min-height: 340px;
            display: flex;
            align-items: flex-end;
            transition: all .25s ease-out;
        }

        .scene-card:hover {
            transform: translateY(-4px);
            border-color: rgba(201, 169, 98, 0.42);
            box-shadow: var(--shadow-card);
        }

        .scene-card img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }

        .scene-card:hover img {
            transform: scale(1.03);
        }

        .scene-mask {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 11, 15, 0.05) 0%, rgba(11, 11, 15, 0.55) 58%, rgba(11, 11, 15, 0.92) 100%);
        }

        .scene-content {
            position: relative;
            z-index: 2;
            padding: 24px;
        }

        .scene-content small {
            color: var(--gold-soft);
            font-size: 12px;
            letter-spacing: .06em;
        }

        .scene-content h3 {
            color: var(--color-text-hi);
            font-size: 19px;
            font-weight: 600;
            margin: 6px 0 8px;
        }

        .scene-content p {
            color: rgba(245, 241, 232, 0.8);
            font-size: 13px;
            line-height: 1.65;
        }

        /* steps */
        .steps-wrap {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            counter-reset: step;
        }

        @media (max-width: 900px) {
            .steps-wrap {
                grid-template-columns: 1fr;
            }
        }

        .step-item {
            position: relative;
            background: var(--color-bg-card);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-lg);
            padding: 38px 30px 32px;
            transition: all .25s ease-out;
        }

        .step-item:hover {
            border-color: rgba(201, 169, 98, 0.4);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card);
        }

        .step-number {
            font-size: 46px;
            font-weight: 700;
            line-height: 1;
            color: rgba(201, 169, 98, 0.35);
            letter-spacing: .02em;
            margin-bottom: 20px;
        }

        .step-item h3 {
            color: var(--color-text-hi);
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 12px;
        }

        .step-item p {
            color: var(--color-text-mid);
            font-size: 14px;
            line-height: 1.75;
        }

        /* faq */
        .faq-wrap {
            display: grid;
            gap: 16px;
            max-width: 960px;
        }

        .faq-item {
            background: var(--color-bg-card);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-md);
            padding: 4px 28px;
            transition: border-color .25s ease, box-shadow .25s ease;
        }

        .faq-item:hover {
            border-color: rgba(201, 169, 98, 0.32);
        }

        .faq-item summary {
            list-style: none;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 22px 0;
            color: var(--color-text-hi);
            font-size: 16px;
            font-weight: 600;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary::after {
            content: "+";
            color: var(--color-primary);
            font-size: 28px;
            font-weight: 300;
            line-height: 1;
            transition: transform .25s ease;
        }

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

        .faq-item .faq-answer {
            color: var(--color-text-mid);
            font-size: 14px;
            line-height: 1.85;
            padding: 0 0 24px;
            border-top: 1px solid var(--color-line);
            padding-top: 18px;
        }

        /* cta */
        .cta-banner {
            position: relative;
            overflow: hidden;
            border-radius: 28px;
            background: linear-gradient(110deg, #14141D 0%, #1B1B26 55%, #242033 100%);
            border: 1px solid rgba(201, 169, 98, 0.42);
            padding: 60px 58px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
        }

        .cta-banner::before {
            content: "";
            position: absolute;
            width: 300px;
            height: 300px;
            right: -80px;
            top: -80px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(201, 169, 98, 0.18) 0%, rgba(201, 169, 98, 0) 68%);
            pointer-events: none;
        }

        .cta-content {
            position: relative;
            z-index: 2;
            max-width: 680px;
        }

        .cta-banner h2 {
            color: var(--color-text-hi);
            font-size: 30px;
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 16px;
        }

        .cta-banner p {
            color: var(--color-text-mid);
            font-size: 15px;
            line-height: 1.8;
        }

        .cta-actions {
            position: relative;
            z-index: 2;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }

        @media (max-width: 900px) {
            .cta-banner {
                flex-direction: column;
                align-items: flex-start;
                padding: 44px 30px;
                border-radius: 22px;
            }
            .cta-banner h2 {
                font-size: 23px;
            }
        }

        /* footer */
        .site-footer {
            background: var(--color-bg-soft);
            border-top: 1px solid var(--color-line);
            padding-top: 74px;
            margin-top: 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 0.8fr 0.8fr 0.8fr;
            gap: 48px;
            padding-bottom: 48px;
            border-bottom: 1px solid var(--color-line);
        }

        .footer-brand .logo {
            margin-bottom: 18px;
        }

        .footer-brand p {
            color: var(--color-text-low);
            font-size: 14px;
            max-width: 360px;
            line-height: 1.8;
        }

        .footer-col h4 {
            color: var(--color-text-hi);
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 20px;
        }

        .footer-col ul {
            list-style: none;
            display: grid;
            gap: 12px;
        }

        .footer-col a {
            color: var(--color-text-mid);
            font-size: 14px;
            transition: color .2s ease;
        }

        .footer-col a:hover {
            color: var(--color-primary);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            padding: 26px 0 32px;
            color: var(--color-text-low);
            font-size: 13px;
        }

        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 36px;
            }
        }

        @media (max-width: 560px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
        }

/* roulang page: category3 */
:root {
            --color-bg: #0B0B0F;
            --color-bg-soft: #12121A;
            --color-bg-card: #181822;
            --color-surface-hover: #232330;
            --color-primary: #C9A962;
            --color-primary-hover: #DFC078;
            --color-accent-deep: #D4B478;
            --color-danger: #E2574C;
            --color-text-hi: #F5F1E8;
            --color-text-mid: #A7A3B5;
            --color-text-low: #646170;
            --color-line: #2A2A35;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 8px;
            --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.25), 0 8px 30px rgba(0, 0, 0, 0.12);
            --pad-card: 1.25rem;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            background: var(--color-bg);
            color: var(--color-text-hi);
            font-family: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", system-ui, -apple-system, sans-serif;
            font-size: 15px;
            font-weight: 400;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

        body.no-scroll {
            overflow: hidden;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
        }

        button,
        input {
            font-family: inherit;
            font-size: inherit;
        }

        ul,
        ol {
            margin: 0;
            padding: 0;
            list-style: none;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        summary:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 3px;
            border-radius: 6px;
        }

        .container {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .section {
            padding: 80px 0;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 60;
            background: rgba(10, 10, 14, 0.96);
            border-bottom: 1px solid var(--color-line);
            transition: background 0.2s ease, box-shadow 0.2s ease;
        }

        .site-header.scrolled {
            background: #0E0E15;
            box-shadow: var(--shadow-card);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 76px;
            gap: 22px;
        }

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 11px;
            flex-shrink: 0;
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 11px;
            border: 1px solid rgba(201, 169, 98, 0.58);
            background: linear-gradient(135deg, rgba(201, 169, 98, 0.18), rgba(201, 169, 98, 0.04));
            color: var(--color-primary);
        }

        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .logo-title {
            font-size: 17px;
            font-weight: 700;
            letter-spacing: 0.04em;
            color: var(--color-text-hi);
        }

        .logo-sub {
            margin-top: 2px;
            font-size: 11px;
            font-weight: 400;
            color: var(--color-text-low);
            letter-spacing: 0.08em;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 32px;
            margin-left: auto;
        }

        .main-nav a {
            position: relative;
            display: inline-flex;
            align-items: center;
            height: 76px;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text-mid);
            white-space: nowrap;
        }

        .main-nav a:hover {
            color: var(--color-text-hi);
        }

        .main-nav a.active {
            color: var(--color-primary);
            font-weight: 600;
        }

        .main-nav a.active::after {
            content: "";
            position: absolute;
            left: 50%;
            bottom: 0;
            width: 22px;
            height: 2px;
            border-radius: 2px;
            transform: translateX(-50%);
            background: var(--color-primary);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .search-box {
            display: flex;
            align-items: center;
            gap: 6px;
            width: 200px;
            height: 38px;
            padding: 0 12px;
            border-radius: 11px;
            background: #101018;
            border: 1px solid var(--color-line);
            color: var(--color-text-low);
        }

        .search-box svg {
            flex-shrink: 0;
            opacity: 0.7;
        }

        .search-box input {
            width: 100%;
            border: 0;
            outline: 0;
            background: transparent;
            color: var(--color-text-hi);
            font-size: 14px;
        }

        .search-box input::placeholder {
            color: var(--color-text-low);
        }

        .search-box:focus-within {
            border-color: rgba(201, 169, 98, 0.6);
            box-shadow: 0 0 0 3px rgba(201, 169, 98, 0.15);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 42px;
            padding: 0 20px;
            border-radius: 11px;
            font-size: 15px;
            font-weight: 600;
            border: 1px solid transparent;
            cursor: pointer;
            white-space: nowrap;
            transition: all 0.2s ease;
        }

        .btn-primary {
            background: var(--color-primary);
            color: #17150F;
        }

        .btn-primary:hover {
            background: var(--color-primary-hover);
            color: #101014;
            box-shadow: 0 8px 20px rgba(201, 169, 98, 0.22);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            filter: brightness(0.94);
            transform: translateY(0);
        }

        .btn-outline {
            background: transparent;
            border-color: rgba(201, 169, 98, 0.55);
            color: var(--color-text-hi);
        }

        .btn-outline:hover {
            border-color: var(--color-primary);
            background: rgba(201, 169, 98, 0.12);
            transform: translateY(-1px);
        }

        .btn-lg {
            height: 48px;
            padding: 0 28px;
            border-radius: 13px;
            font-size: 16px;
        }

        .menu-toggle {
            display: none;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 11px;
            border: 1px solid var(--color-line);
            background: var(--color-bg-soft);
            color: var(--color-primary);
            cursor: pointer;
        }

        .mobile-panel {
            display: none;
            border-top: 1px solid var(--color-line);
            background: #101018;
            padding: 18px 22px 24px;
        }

        .mobile-panel.open {
            display: block;
        }

        .mobile-panel .mobile-nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
            margin-bottom: 14px;
        }

        .mobile-panel .mobile-nav a {
            display: block;
            padding: 11px 4px;
            border-radius: 8px;
            font-size: 16px;
            color: var(--color-text-hi);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .mobile-panel .mobile-nav a.active {
            color: var(--color-primary);
            font-weight: 600;
        }

        .mobile-panel .search-box {
            width: 100%;
            margin-bottom: 12px;
        }

        .mobile-panel .btn {
            width: 100%;
        }

        .hero-guide {
            position: relative;
            background: var(--color-bg);
            padding: 116px 0 70px;
            overflow: hidden;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            z-index: 0;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            z-index: 1;
            background: linear-gradient(180deg, rgba(11, 11, 15, 0.35) 0%, rgba(11, 11, 15, 0.68) 52%, var(--color-bg) 100%);
        }

        .hero-guide-content {
            position: relative;
            z-index: 2;
        }

        .hero-chips {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 22px;
        }

        .hero-chips span {
            display: inline-flex;
            align-items: center;
            padding: 5px 14px;
            border-radius: 999px;
            border: 1px solid rgba(201, 169, 98, 0.45);
            background: rgba(11, 11, 15, 0.28);
            font-size: 12px;
            color: #E9DFC8;
            letter-spacing: 0.03em;
        }

        .guide-h1 {
            margin: 0;
            font-size: 48px;
            font-weight: 700;
            line-height: 1.22;
            letter-spacing: 0.01em;
            color: var(--color-text-hi);
        }

        .guide-h1 .gold-part {
            color: var(--color-primary);
        }

        .hero-lead {
            max-width: 680px;
            margin: 20px 0 0;
            font-size: 16px;
            line-height: 1.9;
            color: var(--color-text-mid);
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-top: 30px;
        }

        .hero-quick-grid {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 14px;
            margin-top: 58px;
        }

        .q-item {
            background: rgba(18, 18, 26, 0.78);
            border: 1px solid var(--color-line);
            border-radius: 15px;
            padding: 18px 20px;
            backdrop-filter: blur(2px);
            transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
        }

        .q-item:hover {
            border-color: rgba(201, 169, 98, 0.45);
            background: rgba(24, 24, 34, 0.92);
            transform: translateY(-2px);
        }

        .q-label {
            display: block;
            font-size: 12px;
            letter-spacing: 0.12em;
            color: var(--color-primary);
            margin-bottom: 6px;
        }

        .q-item p {
            margin: 0;
            font-size: 14px;
            color: var(--color-text-mid);
        }

        .section-head {
            margin-bottom: 48px;
            max-width: 820px;
        }

        .section-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
            font-weight: 500;
            letter-spacing: 0.2em;
            color: var(--color-primary);
            text-transform: uppercase;
            margin-bottom: 14px;
        }

        .section-head h2 {
            margin: 0 0 12px;
            font-size: 30px;
            font-weight: 600;
            line-height: 1.35;
            letter-spacing: 0.01em;
            color: var(--color-text-hi);
        }

        .section-head p {
            margin: 0;
            max-width: 660px;
            font-size: 15px;
            line-height: 1.8;
            color: var(--color-text-mid);
        }

        .audience-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }

        .audience-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-md);
            padding: 28px 26px;
            transition: all 0.25s ease;
        }

        .audience-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card);
            border-color: rgba(201, 169, 98, 0.4);
        }

        .audience-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            border: 1px solid rgba(201, 169, 98, 0.45);
            background: rgba(201, 169, 98, 0.08);
            color: var(--color-primary);
            margin-bottom: 18px;
        }

        .audience-card h3 {
            margin: 0 0 10px;
            font-size: 18px;
            font-weight: 600;
            color: var(--color-text-hi);
        }

        .audience-card p {
            margin: 0;
            font-size: 14px;
            line-height: 1.8;
            color: var(--color-text-mid);
        }

        .steps-section {
            position: relative;
            background: #0E0E14;
        }

        .steps-list {
            position: relative;
            padding-left: 70px;
        }

        .steps-list::before {
            content: "";
            position: absolute;
            left: 27px;
            top: 16px;
            bottom: 26px;
            width: 1px;
            background: linear-gradient(180deg, rgba(201, 169, 98, 0.6), rgba(201, 169, 98, 0.06));
        }

        .guide-step {
            position: relative;
            margin-bottom: 30px;
        }

        .step-no {
            position: absolute;
            left: -70px;
            top: 26px;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: #14141D;
            border: 1px solid rgba(201, 169, 98, 0.55);
            color: var(--color-primary);
            font-size: 16px;
            font-weight: 700;
            transition: all 0.25s ease;
        }

        .guide-step:hover .step-no {
            background: var(--color-primary);
            color: #12120E;
            box-shadow: 0 0 0 6px rgba(201, 169, 98, 0.12);
        }

        .step-layout {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 28px;
            align-items: center;
            background: var(--color-bg-card);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-lg);
            padding: 30px;
            transition: all 0.25s ease;
        }

        .guide-step:hover .step-layout {
            border-color: rgba(201, 169, 98, 0.38);
            box-shadow: var(--shadow-card);
        }

        .step-text h3 {
            margin: 0 0 10px;
            font-size: 21px;
            font-weight: 600;
            color: var(--color-text-hi);
        }

        .step-text p {
            margin: 0 0 14px;
            font-size: 14.5px;
            line-height: 1.85;
            color: var(--color-text-mid);
        }

        .step-points {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
        }

        .step-points li {
            position: relative;
            padding-left: 18px;
            font-size: 13px;
            color: var(--color-text-mid);
        }

        .step-points li::before {
            content: "";
            position: absolute;
            left: 0;
            top: 0.68em;
            width: 6px;
            height: 6px;
            border-radius: 2px;
            background: var(--color-primary);
            transform: rotate(45deg);
        }

        .step-media {
            border-radius: 14px;
            overflow: hidden;
            border: 1px solid var(--color-line);
            background: #13131B;
        }

        .step-media img {
            width: 100%;
            height: 210px;
            object-fit: cover;
        }

        .tips-band {
            background: var(--color-bg-soft);
            border-top: 1px solid var(--color-line);
            border-bottom: 1px solid var(--color-line);
        }

        .tips-grid {
            display: grid;
            grid-template-columns: 1fr 1.6fr;
            gap: 26px;
            align-items: stretch;
        }

        .tips-feature {
            border-radius: 18px;
            overflow: hidden;
            position: relative;
            min-height: 300px;
            border: 1px solid var(--color-line);
        }

        .tips-feature img {
            width: 100%;
            height: 100%;
            min-height: 300px;
            object-fit: cover;
        }

        .tips-feature-shadow {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 11, 15, 0.05), rgba(11, 11, 15, 0.82));
        }

        .tips-feature-content {
            position: absolute;
            left: 0;
            right: 0;
            bottom: 0;
            padding: 22px;
        }

        .tips-feature-content h3 {
            margin: 0 0 6px;
            font-size: 20px;
            color: var(--color-text-hi);
        }

        .tips-feature-content p {
            margin: 0;
            font-size: 13.5px;
            color: #D6D3C8;
        }

        .tips-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .tips-item {
            display: flex;
            gap: 16px;
            padding: 18px 18px;
            background: var(--color-bg-card);
            border: 1px solid var(--color-line);
            border-radius: 14px;
            transition: all 0.2s ease;
        }

        .tips-item:hover {
            background: var(--color-surface-hover);
            border-color: rgba(201, 169, 98, 0.38);
            transform: translateY(-2px);
        }

        .tips-icon {
            flex-shrink: 0;
            width: 38px;
            height: 38px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(201, 169, 98, 0.1);
            border: 1px solid rgba(201, 169, 98, 0.3);
            color: var(--color-primary);
        }

        .tips-item h4 {
            margin: 0 0 4px;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text-hi);
        }

        .tips-item p {
            margin: 0;
            font-size: 13.5px;
            line-height: 1.75;
            color: var(--color-text-mid);
        }

        .faq-wrap {
            max-width: 860px;
        }

        .faq-item {
            border: 1px solid var(--color-line);
            background: var(--color-bg-card);
            border-radius: 15px;
            margin-bottom: 14px;
            overflow: hidden;
            transition: border-color 0.2s ease, background 0.2s ease;
        }

        .faq-item[open] {
            border-color: rgba(201, 169, 98, 0.42);
            background: #1A1A25;
        }

        .faq-item summary {
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 20px;
            padding: 20px 22px;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text-hi);
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary .faq-icon {
            flex-shrink: 0;
            width: 22px;
            height: 22px;
            border-radius: 50%;
            border: 1px solid rgba(201, 169, 98, 0.55);
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            transition: transform 0.2s ease;
        }

        .faq-item[open] summary .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            padding: 0 22px 20px;
            margin: 0;
            font-size: 14.5px;
            line-height: 1.85;
            color: var(--color-text-mid);
            border-top: 1px solid rgba(42, 42, 53, 0.5);
            padding-top: 14px;
        }

        .cta-band {
            background: var(--color-bg-soft);
            border-top: 1px solid var(--color-line);
            border-bottom: 1px solid var(--color-line);
            padding: 70px 0 80px;
        }

        .cta-card {
            position: relative;
            overflow: hidden;
            border-radius: 24px;
            border: 1px solid rgba(201, 169, 98, 0.35);
            background: linear-gradient(120deg, #1A1A24, #111119);
            padding: 46px 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 28px;
        }

        .cta-card h2 {
            margin: 0 0 10px;
            font-size: 30px;
            font-weight: 700;
            color: var(--color-text-hi);
            letter-spacing: 0.01em;
        }

        .cta-card p {
            margin: 0;
            color: var(--color-text-mid);
            font-size: 15px;
        }

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

        .site-footer {
            background: #0D0D12;
            border-top: 1px solid var(--color-line);
            padding: 58px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 42px;
        }

        .footer-brand .logo {
            margin-bottom: 14px;
        }

        .footer-brand p {
            margin: 14px 0 0;
            font-size: 14px;
            line-height: 1.8;
            color: var(--color-text-low);
            max-width: 280px;
        }

        .footer-col h4 {
            margin: 0 0 16px;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text-hi);
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul a {
            color: var(--color-text-mid);
            font-size: 14px;
            transition: color 0.2s ease;
        }

        .footer-col ul a:hover {
            color: var(--color-primary);
        }

        .footer-bottom {
            margin-top: 46px;
            padding: 22px 0;
            border-top: 1px solid var(--color-line);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 12px;
            font-size: 13px;
            color: var(--color-text-low);
        }

        @media (max-width: 1024px) {
            .header-inner {
                gap: 14px;
            }

            .main-nav {
                gap: 18px;
            }

            .main-nav a {
                font-size: 14px;
            }

            .search-box {
                width: 160px;
            }

            .guide-h1 {
                font-size: 40px;
            }

            .step-layout {
                grid-template-columns: 1fr 240px;
                padding: 24px;
            }
        }

        @media (max-width: 900px) {
            .main-nav,
            .nav-actions .search-box,
            .nav-actions .btn-cta {
                display: none;
            }

            .menu-toggle {
                display: inline-flex;
            }

            .header-inner {
                height: 70px;
            }

            .hero-quick-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 10px;
            }

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

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

        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }

            .hero-guide {
                padding: 92px 0 50px;
            }

            .guide-h1 {
                font-size: 30px;
                line-height: 1.3;
            }

            .hero-lead {
                font-size: 14.5px;
            }

            .hero-quick-grid {
                grid-template-columns: repeat(3, 1fr);
                margin-top: 42px;
            }

            .q-item {
                padding: 14px;
            }

            .q-label {
                font-size: 11px;
            }

            .q-item p {
                font-size: 12.5px;
                line-height: 1.6;
            }

            .section-head h2 {
                font-size: 24px;
            }

            .steps-list {
                padding-left: 0;
            }

            .steps-list::before {
                display: none;
            }

            .guide-step {
                padding-left: 60px;
            }

            .step-no {
                left: 0;
                top: 26px;
                width: 48px;
                height: 48px;
                font-size: 14px;
            }

            .step-layout {
                grid-template-columns: 1fr;
                gap: 18px;
                padding: 20px;
            }

            .step-media img {
                height: 190px;
            }

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

            .tips-feature {
                min-height: 260px;
            }

            .tips-feature img {
                min-height: 260px;
            }

            .cta-card {
                padding: 34px 28px;
            }
        }

        @media (max-width: 576px) {
            .container {
                padding: 0 16px;
            }

            .logo-icon {
                width: 34px;
                height: 34px;
            }

            .logo-title {
                font-size: 16px;
            }

            .hero-quick-grid {
                grid-template-columns: 1fr;
            }

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

            .guide-h1 {
                font-size: 27px;
            }

            .hero-actions .btn {
                width: 100%;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

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

            .cta-card h2 {
                font-size: 24px;
            }

            .cta-actions .btn {
                width: 100%;
            }

            .btn-outline,
            .btn-primary {
                width: auto;
            }

            .hero-actions .btn,
            .cta-actions .btn {
                margin: 0;
            }
        }