/* roulang page: index */
:root {
            --color-primary-bg: #15181D;
            --color-secondary-bg: #F7F6F2;
            --color-accent-red: #E03E2F;
            --color-accent-red-hover: #C83426;
            --color-accent-gold: #B8924B;
            --color-accent-gold-light: #C09B5A;
            --color-success: #2F9D6E;
            --color-warning: #E67E22;
            --color-text-primary: #1A1D22;
            --color-text-secondary: #4A4F57;
            --color-text-muted: #6B7280;
            --color-border-light: #E5E5E0;
            --color-border-dark: rgba(255, 255, 255, 0.1);
            --radius-card: 12px;
            --radius-card-lg: 18px;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06), 0 4px 12px rgba(0, 0, 0, 0.04);
            --shadow-card-hover: 0 12px 32px rgba(0, 0, 0, 0.12), 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-nav: 0 2px 16px rgba(0, 0, 0, 0.08);
            --font-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --font-num: "Inter", "Roboto", system-ui, -apple-system, sans-serif;
            --transition-base: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-spring: 0.32s cubic-bezier(0.22, 1, 0.36, 1);
        }

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

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

        body {
            font-family: var(--font-sans);
            color: var(--color-text-primary);
            background-color: var(--color-secondary-bg);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        a {
            color: var(--color-accent-red);
            text-decoration: none;
            transition: color var(--transition-base), border-color var(--transition-base), opacity var(--transition-base);
        }

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

        a:focus-visible {
            outline: 2px solid rgba(224, 62, 47, 0.5);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button {
            cursor: pointer;
        }

        button:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid rgba(224, 62, 47, 0.5);
            outline-offset: 2px;
        }

        .container-page {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        @media (min-width: 768px) {
            .container-page {
                padding-left: 2.5rem;
                padding-right: 2.5rem;
            }
        }

        @media (min-width: 1280px) {
            .container-page {
                padding-left: 3rem;
                padding-right: 3rem;
            }
        }

        /* 杂志刊头导航 */
        .masthead {
            background-color: var(--color-primary-bg);
            color: #ffffff;
            border-bottom: 3px solid var(--color-accent-red);
        }

        .masthead-row-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 1.25rem;
            padding-bottom: 1.1rem;
            gap: 1.5rem;
            flex-wrap: wrap;
        }

        .masthead-brand {
            display: flex;
            align-items: baseline;
            gap: 0.65rem;
            flex-shrink: 0;
        }

        .masthead-brand a {
            color: #ffffff;
            font-size: 2rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            line-height: 1.15;
            transition: color var(--transition-base);
        }

        .masthead-brand a:hover {
            color: var(--color-accent-red);
        }

        .masthead-brand .brand-mark {
            display: inline-block;
            width: 10px;
            height: 10px;
            background-color: var(--color-accent-red);
            border-radius: 2px;
            vertical-align: middle;
            margin-right: 0.4rem;
        }

        .masthead-meta {
            display: flex;
            align-items: center;
            gap: 1rem;
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.85rem;
            font-family: var(--font-num);
        }

        .masthead-meta .date-display {
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.8rem;
            letter-spacing: 0.05em;
        }

        .masthead-search-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: transparent;
            color: rgba(255, 255, 255, 0.8);
            transition: all var(--transition-base);
        }

        .masthead-search-btn:hover {
            border-color: var(--color-accent-red);
            color: #ffffff;
            background-color: rgba(224, 62, 47, 0.15);
        }

        .channel-nav {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 0.6rem;
            padding-bottom: 0.6rem;
        }

        .channel-nav-inner {
            display: flex;
            align-items: center;
            gap: 0;
            flex-wrap: wrap;
        }

        .channel-nav a {
            color: rgba(255, 255, 255, 0.78);
            font-size: 0.95rem;
            font-weight: 500;
            padding: 0.45rem 1.1rem;
            border-left: 1px solid rgba(255, 255, 255, 0.18);
            letter-spacing: 0.03em;
            transition: color var(--transition-base), background-color var(--transition-base);
            position: relative;
        }

        .channel-nav a:first-child {
            border-left: none;
            padding-left: 0;
        }

        .channel-nav a:hover {
            color: #ffffff;
            background-color: rgba(255, 255, 255, 0.06);
        }

        .channel-nav a.active {
            color: var(--color-accent-red);
            font-weight: 600;
        }

        .channel-nav a.active::after {
            content: '';
            position: absolute;
            bottom: -0.6rem;
            left: 0;
            right: 0;
            height: 2px;
            background-color: var(--color-accent-red);
            border-radius: 2px;
        }

        .nav-hamburger {
            display: none;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 8px;
            color: #ffffff;
            width: 44px;
            height: 40px;
            align-items: center;
            justify-content: center;
            gap: 5px;
            flex-direction: column;
            transition: all var(--transition-base);
        }

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

        .nav-hamburger:hover {
            border-color: var(--color-accent-red);
        }

        .mobile-channel-nav {
            display: none;
            flex-direction: column;
            gap: 0;
            padding: 0.5rem 0 0.8rem;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
        }

        .mobile-channel-nav a {
            color: rgba(255, 255, 255, 0.82);
            padding: 0.7rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.95rem;
            font-weight: 500;
            transition: color var(--transition-base), padding-left var(--transition-base);
        }

        .mobile-channel-nav a:hover {
            color: #ffffff;
            padding-left: 0.5rem;
        }

        .mobile-channel-nav a.active {
            color: var(--color-accent-red);
            font-weight: 600;
        }

        @media (max-width: 767px) {
            .masthead-brand a {
                font-size: 1.5rem;
            }
            .masthead-meta .date-display {
                display: none;
            }
            .channel-nav {
                display: none;
            }
            .nav-hamburger {
                display: flex;
            }
            .mobile-channel-nav.open {
                display: flex;
            }
        }

        @media (min-width: 768px) {
            .mobile-channel-nav {
                display: none !important;
            }
        }

        /* 通用板块 */
        .section-block {
            padding: 5rem 0;
        }

        @media (max-width: 767px) {
            .section-block {
                padding: 3rem 0;
            }
        }

        .section-heading {
            font-size: 1.85rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            line-height: 1.3;
            color: var(--color-text-primary);
            margin-bottom: 0.75rem;
        }

        .section-subheading {
            font-size: 1rem;
            line-height: 1.8;
            color: var(--color-text-muted);
            max-width: 42rem;
        }

        .section-kicker {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--color-accent-red);
            margin-bottom: 0.6rem;
        }

        /* 按钮 */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background-color: var(--color-accent-red);
            color: #ffffff;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 0.8rem 1.8rem;
            border-radius: 10px;
            border: none;
            transition: all var(--transition-base);
            letter-spacing: 0.03em;
            line-height: 1.4;
            white-space: nowrap;
        }

        .btn-primary:hover {
            background-color: var(--color-accent-red-hover);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(224, 62, 47, 0.3);
            color: #ffffff;
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(224, 62, 47, 0.2);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background-color: transparent;
            border: 1px solid #D1D5DB;
            color: var(--color-text-primary);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.8rem 1.8rem;
            border-radius: 10px;
            transition: all var(--transition-base);
            letter-spacing: 0.03em;
            line-height: 1.4;
            white-space: nowrap;
        }

        .btn-secondary:hover {
            border-color: var(--color-accent-gold);
            color: var(--color-accent-gold);
            transform: translateY(-1px);
        }

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

        /* 卡片 */
        .card-base {
            background: #ffffff;
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-spring);
        }

        .card-base:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: #D8D8D0;
        }

        /* 标签 */
        .badge-tag {
            display: inline-flex;
            align-items: center;
            padding: 0.25rem 0.75rem;
            border-radius: 9999px;
            font-size: 0.75rem;
            font-weight: 500;
            letter-spacing: 0.04em;
            line-height: 1.5;
        }

        .badge-red {
            background-color: rgba(224, 62, 47, 0.08);
            color: var(--color-accent-red);
        }

        .badge-gold {
            background-color: rgba(184, 146, 75, 0.12);
            color: var(--color-accent-gold);
        }

        .badge-green {
            background-color: rgba(47, 157, 110, 0.1);
            color: var(--color-success);
        }

        .badge-orange {
            background-color: rgba(230, 126, 34, 0.1);
            color: var(--color-warning);
        }

        .badge-gray {
            background-color: #F3F4F6;
            color: var(--color-text-muted);
        }

        /* 图标位 */
        .icon-badge {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background-color: rgba(224, 62, 47, 0.08);
            color: var(--color-accent-red);
            font-size: 1.2rem;
            flex-shrink: 0;
        }

        .icon-badge-gold {
            background-color: rgba(184, 146, 75, 0.12);
            color: var(--color-accent-gold);
        }

        /* 深色区块 */
        .section-dark {
            background-color: var(--color-primary-bg);
            color: #ffffff;
        }

        .section-dark .section-heading {
            color: #ffffff;
        }

        .section-dark .section-subheading {
            color: rgba(255, 255, 255, 0.65);
        }

        /* FAQ */
        .faq-item {
            background: #ffffff;
            border: 1px solid var(--color-border-light);
            border-radius: 10px;
            margin-bottom: 0.75rem;
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1rem 1.25rem;
            cursor: pointer;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-text-primary);
            list-style: none;
            gap: 1rem;
            user-select: none;
            transition: background-color var(--transition-base);
        }

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

        .faq-item summary:hover {
            background-color: #FAFAF8;
        }

        .faq-item summary .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 6px;
            background-color: rgba(224, 62, 47, 0.08);
            color: var(--color-accent-red);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            transition: transform var(--transition-base);
        }

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

        .faq-item .faq-answer {
            padding: 0 1.25rem 1.1rem;
            color: var(--color-text-secondary);
            font-size: 0.92rem;
            line-height: 1.8;
            border-left: 3px solid var(--color-accent-red);
            margin-left: 1.25rem;
            padding-left: 0.9rem;
        }

        /* 表单 */
        .form-input {
            width: 100%;
            padding: 0.75rem 1rem;
            border: 1px solid #D1D5DB;
            border-radius: 9px;
            background-color: #ffffff;
            font-size: 0.95rem;
            color: var(--color-text-primary);
            transition: all var(--transition-base);
            line-height: 1.5;
        }

        .form-input:focus {
            outline: none;
            border-color: var(--color-accent-red);
            box-shadow: 0 0 0 3px rgba(224, 62, 47, 0.12);
        }

        .form-label {
            display: block;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            margin-bottom: 0.4rem;
        }

        /* 横向滚动卡 */
        .scroll-row {
            display: flex;
            gap: 1rem;
            overflow-x: auto;
            padding-bottom: 0.75rem;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
        }

        .scroll-row::-webkit-scrollbar {
            height: 5px;
        }

        .scroll-row::-webkit-scrollbar-track {
            background: #E8E8E2;
            border-radius: 10px;
        }

        .scroll-row::-webkit-scrollbar-thumb {
            background: #C0C0B8;
            border-radius: 10px;
        }

        .scroll-row > * {
            scroll-snap-align: start;
            flex-shrink: 0;
        }

        /* 页脚 */
        .site-footer {
            background-color: var(--color-primary-bg);
            color: rgba(255, 255, 255, 0.75);
            padding: 3.5rem 0 2rem;
        }

        .site-footer .footer-brand {
            color: #ffffff;
            font-size: 1.5rem;
            font-weight: 700;
            letter-spacing: -0.02em;
        }

        .site-footer .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
            transition: color var(--transition-base);
        }

        .site-footer .footer-links a:hover {
            color: #ffffff;
        }

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            margin-top: 2.5rem;
            padding-top: 1.5rem;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.5);
        }

        .site-footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.82rem;
        }

        .site-footer .footer-bottom a:hover {
            color: #ffffff;
        }

        /* Hero问卷卡片 */
        .quiz-card {
            background: #ffffff;
            border-radius: var(--radius-card-lg);
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
            padding: 1.5rem;
            max-width: 480px;
            width: 100%;
            border: 1px solid rgba(255, 255, 255, 0.3);
        }

        .quiz-option {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            padding: 0.7rem 1rem;
            border: 2px solid #E8E8E2;
            border-radius: 10px;
            cursor: pointer;
            transition: all var(--transition-base);
            background: #FAFAF8;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-primary);
        }

        .quiz-option:hover {
            border-color: var(--color-accent-red);
            background-color: rgba(224, 62, 47, 0.04);
        }

        .quiz-option.selected {
            border-color: var(--color-accent-red);
            background-color: rgba(224, 62, 47, 0.06);
        }

        .quiz-result-preview {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            padding: 0.85rem 1rem;
            border-radius: 10px;
            background-color: rgba(184, 146, 75, 0.1);
            border: 1px dashed var(--color-accent-gold);
        }

        /* 对比条 */
        .compare-bar {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .compare-bar .bar-track {
            flex: 1;
            height: 10px;
            background-color: #E8E8E2;
            border-radius: 9999px;
            overflow: hidden;
        }

        .compare-bar .bar-fill {
            height: 100%;
            border-radius: 9999px;
            transition: width 0.6s ease;
        }

        /* 里程碑时间线 */
        .timeline-item {
            position: relative;
            padding-left: 2rem;
            padding-bottom: 1.75rem;
            border-left: 2px solid #E0E0D8;
        }

        .timeline-item:last-child {
            border-left: 2px solid transparent;
            padding-bottom: 0;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -7px;
            top: 4px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background-color: var(--color-accent-red);
            border: 2px solid #ffffff;
            box-shadow: 0 0 0 3px rgba(224, 62, 47, 0.2);
        }

        /* 响应式Grid */
        @media (max-width: 520px) {
            .grid-mobile-2 {
                grid-template-columns: repeat(2, 1fr) !important;
            }
            .section-heading {
                font-size: 1.45rem;
            }
            .btn-primary,
            .btn-secondary {
                width: 100%;
                padding: 0.75rem 1.2rem;
            }
        }

        @media (max-width: 767px) {
            .nav-action-hidden-mobile {
                display: none;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary-bg: #15181D;
            --color-secondary-bg: #F7F6F2;
            --color-accent-red: #E03E2F;
            --color-accent-red-hover: #C83426;
            --color-accent-gold: #B8924B;
            --color-accent-gold-light: #C09B5A;
            --color-success: #2F9D6E;
            --color-warning: #E67E22;
            --color-text-primary: #1A1D22;
            --color-text-secondary: #4A4F57;
            --color-text-muted: #6B7280;
            --color-border-light: #E5E5E0;
            --color-border-dark: rgba(255, 255, 255, 0.1);
            --radius-card: 12px;
            --radius-card-lg: 18px;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06), 0 4px 12px rgba(0, 0, 0, 0.04);
            --shadow-card-hover: 0 12px 32px rgba(0, 0, 0, 0.12), 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-nav: 0 2px 16px rgba(0, 0, 0, 0.08);
            --font-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --font-num: "Inter", "Roboto", system-ui, -apple-system, sans-serif;
            --transition-base: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-spring: 0.32s cubic-bezier(0.22, 1, 0.36, 1);
        }

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

        body {
            font-family: var(--font-sans);
            color: var(--color-text-primary);
            background-color: var(--color-secondary-bg);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
            margin: 0;
            padding: 0;
        }

        a {
            color: var(--color-accent-red);
            text-decoration: none;
            transition: color var(--transition-base), border-color var(--transition-base), opacity var(--transition-base), background-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
        }

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

        a:focus-visible {
            outline: 2px solid rgba(224, 62, 47, 0.5);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button {
            cursor: pointer;
        }

        button:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid rgba(224, 62, 47, 0.5);
            outline-offset: 2px;
        }

        .container-page {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        @media (min-width: 768px) {
            .container-page {
                padding-left: 2.5rem;
                padding-right: 2.5rem;
            }
        }

        @media (min-width: 1024px) {
            .container-page {
                padding-left: 3rem;
                padding-right: 3rem;
            }
        }

        /* 刊头导航 */
        .site-header {
            background-color: var(--color-primary-bg);
            box-shadow: var(--shadow-nav);
            position: sticky;
            top: 0;
            z-index: 50;
        }

        .masthead-row-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 1.1rem;
            padding-bottom: 1rem;
            gap: 1.25rem;
            flex-wrap: wrap;
        }

        .masthead-brand {
            display: flex;
            align-items: baseline;
            gap: 0.6rem;
            flex-shrink: 0;
        }

        .masthead-brand a {
            color: #ffffff;
            font-size: 1.75rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            line-height: 1.15;
            transition: color var(--transition-base);
        }

        .masthead-brand a:hover {
            color: var(--color-accent-red);
        }

        .masthead-brand .brand-mark {
            display: inline-block;
            width: 10px;
            height: 10px;
            background-color: var(--color-accent-red);
            border-radius: 2px;
            vertical-align: middle;
            margin-right: 0.4rem;
        }

        .masthead-meta {
            display: flex;
            align-items: center;
            gap: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.82rem;
            font-family: var(--font-num);
        }

        .masthead-meta .date-display {
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.78rem;
            letter-spacing: 0.04em;
        }

        .masthead-search-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: transparent;
            color: rgba(255, 255, 255, 0.8);
            transition: all var(--transition-base);
            cursor: pointer;
            font-size: 0.9rem;
        }

        .masthead-search-btn:hover {
            border-color: var(--color-accent-red);
            color: #ffffff;
            background-color: rgba(224, 62, 47, 0.15);
        }

        .channel-nav {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 0.55rem;
            padding-bottom: 0.55rem;
        }

        .channel-nav-inner {
            display: flex;
            align-items: center;
            gap: 0;
            flex-wrap: wrap;
        }

        .channel-nav a {
            color: rgba(255, 255, 255, 0.78);
            font-size: 0.92rem;
            font-weight: 500;
            padding: 0.4rem 1rem;
            border-left: 1px solid rgba(255, 255, 255, 0.18);
            letter-spacing: 0.03em;
            transition: color var(--transition-base), background-color var(--transition-base);
            position: relative;
            white-space: nowrap;
        }

        .channel-nav a:first-child {
            border-left: none;
            padding-left: 0;
        }

        .channel-nav a:hover {
            color: #ffffff;
            background-color: rgba(255, 255, 255, 0.06);
        }

        .channel-nav a.active {
            color: #ffffff;
            font-weight: 600;
        }

        .channel-nav a.active::after {
            content: '';
            position: absolute;
            bottom: -0.55rem;
            left: 0.75rem;
            right: 0.75rem;
            height: 2px;
            background-color: var(--color-accent-red);
            border-radius: 2px 2px 0 0;
        }

        .mobile-menu-toggle {
            display: none;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 8px;
            color: #ffffff;
            padding: 0.5rem 0.7rem;
            font-size: 1.1rem;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-base);
        }

        .mobile-menu-toggle:hover {
            border-color: var(--color-accent-red);
            color: #ffffff;
            background-color: rgba(224, 62, 47, 0.15);
        }

        /* 面包屑 */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-wrap: wrap;
            font-size: 0.82rem;
            color: var(--color-text-muted);
            padding: 1.5rem 0 0.5rem 0;
        }

        .breadcrumb a {
            color: var(--color-text-muted);
            transition: color var(--transition-base);
        }

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

        .breadcrumb .separator {
            color: #B0B0AA;
            font-size: 0.7rem;
        }

        .breadcrumb .current {
            color: var(--color-accent-red);
            font-weight: 500;
        }

        /* 分类头部 */
        .category-header {
            padding: 2rem 0 2.5rem 0;
            border-bottom: 1px solid var(--color-border-light);
            margin-bottom: 2.5rem;
        }

        .category-header h1 {
            font-size: 2.25rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            color: var(--color-text-primary);
            margin: 0 0 0.75rem 0;
            line-height: 1.25;
        }

        .category-header .category-desc {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            max-width: 42rem;
            line-height: 1.85;
            margin: 0 0 1rem 0;
        }

        .category-header .result-count {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.82rem;
            color: var(--color-text-muted);
            background-color: #EEEBE4;
            padding: 0.35rem 0.9rem;
            border-radius: 20px;
            font-family: var(--font-num);
        }

        .category-header .result-count strong {
            color: var(--color-accent-red);
            font-weight: 600;
        }

        /* 版块标题 */
        .section-title {
            font-size: 1.4rem;
            font-weight: 700;
            letter-spacing: -0.01em;
            color: var(--color-text-primary);
            margin: 0 0 0.5rem 0;
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin: 0 0 1.5rem 0;
            line-height: 1.7;
        }

        /* 通用板块间距 */
        .content-section {
            padding: 2.5rem 0;
        }

        .content-section-alt {
            background-color: #FFFFFF;
            border-radius: var(--radius-card-lg);
            box-shadow: var(--shadow-card);
            padding: 2rem 1.5rem;
            margin-bottom: 2rem;
        }

        @media (min-width: 768px) {
            .content-section {
                padding: 3rem 0;
            }
            .content-section-alt {
                padding: 2.5rem 2rem;
            }
        }

        @media (min-width: 1024px) {
            .content-section {
                padding: 3.5rem 0;
            }
            .content-section-alt {
                padding: 2.5rem 2.5rem;
            }
        }

        /* 赛事列表卡片 */
        .match-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1rem;
        }

        @media (min-width: 768px) {
            .match-list {
                grid-template-columns: 1fr 1fr;
                gap: 1.25rem;
            }
        }

        .match-card {
            background: #FFFFFF;
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 1.25rem 1.5rem;
            transition: box-shadow var(--transition-base), transform var(--transition-base), border-color var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
        }

        .match-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: rgba(224, 62, 47, 0.2);
        }

        .match-card .match-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 0.75rem;
            flex-wrap: wrap;
        }

        .match-card .match-date {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            font-family: var(--font-num);
            letter-spacing: 0.03em;
        }

        .match-card .status-badge {
            font-size: 0.7rem;
            font-weight: 600;
            padding: 0.25rem 0.65rem;
            border-radius: 14px;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .status-badge.live {
            background-color: rgba(224, 62, 47, 0.1);
            color: var(--color-accent-red);
        }

        .status-badge.upcoming {
            background-color: rgba(230, 126, 34, 0.12);
            color: var(--color-warning);
        }

        .status-badge.ended {
            background-color: rgba(47, 157, 110, 0.1);
            color: var(--color-success);
        }

        .match-card h3 {
            font-size: 1.05rem;
            font-weight: 600;
            margin: 0;
            line-height: 1.4;
            color: var(--color-text-primary);
        }

        .match-card .match-desc {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .match-card .match-tags {
            display: flex;
            gap: 0.45rem;
            flex-wrap: wrap;
        }

        .match-card .match-tags span {
            font-size: 0.7rem;
            color: var(--color-accent-gold);
            background-color: rgba(184, 146, 75, 0.08);
            padding: 0.2rem 0.6rem;
            border-radius: 6px;
            font-weight: 500;
        }

        .match-card .read-more {
            align-self: flex-start;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--color-accent-red);
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            transition: color var(--transition-base);
        }

        .match-card .read-more:hover {
            color: var(--color-accent-red-hover);
        }

        /* 即将开赛简讯 */
        .upcoming-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 0.9rem;
        }

        @media (min-width: 640px) {
            .upcoming-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (min-width: 1024px) {
            .upcoming-grid {
                grid-template-columns: 1fr 1fr 1fr;
            }
        }

        .upcoming-card {
            background: #FFFFFF;
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-card);
            padding: 1rem 1.25rem;
            display: flex;
            gap: 0.9rem;
            align-items: flex-start;
            transition: border-color var(--transition-base), box-shadow var(--transition-base);
        }

        .upcoming-card:hover {
            border-color: rgba(224, 62, 47, 0.25);
            box-shadow: var(--shadow-card);
        }

        .upcoming-card .upcoming-time {
            font-size: 0.75rem;
            font-family: var(--font-num);
            color: var(--color-accent-red);
            font-weight: 600;
            white-space: nowrap;
            min-width: 3.2rem;
        }

        .upcoming-card .upcoming-info h4 {
            font-size: 0.92rem;
            font-weight: 600;
            margin: 0 0 0.25rem 0;
            line-height: 1.4;
            color: var(--color-text-primary);
        }

        .upcoming-card .upcoming-info p {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            margin: 0;
            line-height: 1.6;
        }

        /* 标签云 */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem;
        }

        .tag-cloud a {
            font-size: 0.8rem;
            padding: 0.4rem 1rem;
            border-radius: 20px;
            background-color: #FFFFFF;
            border: 1px solid var(--color-border-light);
            color: var(--color-text-secondary);
            transition: all var(--transition-base);
            font-weight: 500;
        }

        .tag-cloud a:hover {
            border-color: var(--color-accent-red);
            color: var(--color-accent-red);
            background-color: rgba(224, 62, 47, 0.04);
            transform: translateY(-1px);
        }

        /* 数据速览 */
        .stats-strip {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 0.9rem;
        }

        @media (min-width: 640px) {
            .stats-strip {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .stats-strip {
                grid-template-columns: repeat(5, 1fr);
            }
        }

        .stat-item {
            background: #FFFFFF;
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-card);
            padding: 1rem 1.2rem;
            text-align: center;
            transition: box-shadow var(--transition-base);
        }

        .stat-item:hover {
            box-shadow: var(--shadow-card);
        }

        .stat-item .stat-number {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-accent-red);
            font-family: var(--font-num);
            letter-spacing: -0.02em;
            line-height: 1.2;
        }

        .stat-item .stat-label {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            margin-top: 0.3rem;
        }

        /* CTA */
        .cta-section {
            background-color: var(--color-primary-bg);
            border-radius: var(--radius-card-lg);
            padding: 2.5rem 1.5rem;
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            align-items: flex-start;
            margin: 2.5rem 0;
        }

        @media (min-width: 768px) {
            .cta-section {
                flex-direction: row;
                align-items: center;
                justify-content: space-between;
                padding: 2.5rem 2.5rem;
                gap: 2rem;
            }
        }

        .cta-section .cta-text h3 {
            font-size: 1.35rem;
            font-weight: 700;
            color: #ffffff;
            margin: 0 0 0.5rem 0;
            line-height: 1.3;
        }

        .cta-section .cta-text p {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.65);
            margin: 0;
            line-height: 1.7;
            max-width: 28rem;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.4rem;
            font-size: 0.88rem;
            font-weight: 600;
            padding: 0.7rem 1.5rem;
            border-radius: 8px;
            transition: all var(--transition-base);
            border: none;
            cursor: pointer;
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .btn-primary {
            background-color: var(--color-accent-red);
            color: #ffffff;
        }

        .btn-primary:hover {
            background-color: var(--color-accent-red-hover);
            color: #ffffff;
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(224, 62, 47, 0.3);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(224, 62, 47, 0.2);
        }

        .btn-outline {
            background-color: transparent;
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: rgba(255, 255, 255, 0.85);
        }

        .btn-outline:hover {
            border-color: var(--color-accent-gold);
            color: var(--color-accent-gold-light);
            transform: translateY(-1px);
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0.7rem;
        }

        .faq-item {
            background: #FFFFFF;
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-card);
            padding: 0.9rem 1.2rem;
            transition: border-color var(--transition-base), box-shadow var(--transition-base);
        }

        .faq-item:hover {
            border-color: rgba(224, 62, 47, 0.2);
            box-shadow: var(--shadow-card);
        }

        .faq-item summary {
            font-weight: 600;
            font-size: 0.92rem;
            color: var(--color-text-primary);
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 0.75rem;
        }

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

        .faq-item summary::after {
            content: '+';
            font-size: 1.1rem;
            color: var(--color-accent-red);
            font-weight: 400;
            transition: transform var(--transition-base);
            flex-shrink: 0;
        }

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

        .faq-item .faq-answer {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            line-height: 1.75;
            margin-top: 0.6rem;
            padding-left: 0.25rem;
            border-left: 3px solid var(--color-accent-red);
            padding-left: 0.9rem;
        }

        /* 页脚 */
        .site-footer {
            background-color: var(--color-primary-bg);
            color: rgba(255, 255, 255, 0.7);
            padding: 2.5rem 0 1.5rem 0;
            margin-top: 3rem;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }

        @media (min-width: 768px) {
            .site-footer .footer-grid {
                grid-template-columns: 1.2fr 0.8fr 0.8fr;
            }
        }

        .site-footer .footer-brand {
            color: #ffffff;
            font-size: 1.3rem;
            font-weight: 700;
            letter-spacing: -0.01em;
        }

        .site-footer .footer-desc {
            font-size: 0.83rem;
            margin-top: 0.7rem;
            max-width: 22rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
        }

        .site-footer .footer-col-title {
            font-size: 0.78rem;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.4);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 0.7rem;
        }

        .site-footer .footer-links {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .site-footer .footer-links a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.85rem;
            transition: color var(--transition-base);
        }

        .site-footer .footer-links a:hover {
            color: var(--color-accent-red);
        }

        .site-footer .footer-bottom {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            margin-top: 2rem;
            padding-top: 1.2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.45);
        }

        @media (min-width: 640px) {
            .site-footer .footer-bottom {
                flex-direction: row;
                justify-content: space-between;
                align-items: center;
            }
        }

        .site-footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.78rem;
            transition: color var(--transition-base);
        }

        .site-footer .footer-bottom a:hover {
            color: var(--color-accent-red);
        }

        /* 响应式导航 */
        @media (max-width: 767px) {
            .channel-nav {
                display: none;
            }

            .channel-nav.mobile-open {
                display: block;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background-color: var(--color-primary-bg);
                border-top: 1px solid rgba(255, 255, 255, 0.12);
                box-shadow: 0 20px 30px rgba(0, 0, 0, 0.3);
                z-index: 60;
                padding: 0.8rem 1.5rem;
            }

            .channel-nav.mobile-open .channel-nav-inner {
                flex-direction: column;
                align-items: stretch;
                gap: 0;
            }

            .channel-nav.mobile-open .channel-nav-inner a {
                border-left: none;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                padding: 0.7rem 0;
                font-size: 0.95rem;
            }

            .channel-nav.mobile-open .channel-nav-inner a:last-child {
                border-bottom: none;
            }

            .channel-nav.mobile-open .channel-nav-inner a.active::after {
                display: none;
            }

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

            .category-header h1 {
                font-size: 1.7rem;
            }
        }

        @media (min-width: 768px) {
            .mobile-menu-toggle {
                display: none;
            }
        }

        /* 图片占位 */
        .cover-img-placeholder {
            background-color: #E8E6E0;
            border-radius: var(--radius-card);
            aspect-ratio: 16 / 9;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            color: #8A887F;
            font-weight: 500;
            letter-spacing: 0.04em;
        }

        .section-divider {
            border: none;
            border-top: 1px solid var(--color-border-light);
            margin: 1.5rem 0;
        }

        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border-width: 0;
        }

/* roulang page: category2 */
:root {
            --color-primary-bg: #15181D;
            --color-secondary-bg: #F7F6F2;
            --color-accent-red: #E03E2F;
            --color-accent-red-hover: #C83426;
            --color-accent-gold: #B8924B;
            --color-accent-gold-light: #C09B5A;
            --color-success: #2F9D6E;
            --color-warning: #E67E22;
            --color-text-primary: #1A1D22;
            --color-text-secondary: #4A4F57;
            --color-text-muted: #6B7280;
            --color-border-light: #E5E5E0;
            --color-border-dark: rgba(255, 255, 255, 0.1);
            --radius-card: 12px;
            --radius-card-lg: 18px;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06), 0 4px 12px rgba(0, 0, 0, 0.04);
            --shadow-card-hover: 0 12px 32px rgba(0, 0, 0, 0.12), 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-nav: 0 2px 16px rgba(0, 0, 0, 0.08);
            --font-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --font-num: "Inter", "Roboto", system-ui, -apple-system, sans-serif;
            --transition-base: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-spring: 0.32s cubic-bezier(0.22, 1, 0.36, 1);
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            color: var(--color-text-primary);
            background-color: var(--color-secondary-bg);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
            margin: 0;
            padding: 0;
        }
        a {
            color: var(--color-accent-red);
            text-decoration: none;
            transition: color var(--transition-base), border-color var(--transition-base), opacity var(--transition-base);
        }
        a:hover {
            color: var(--color-accent-red-hover);
        }
        a:focus-visible {
            outline: 2px solid rgba(224, 62, 47, 0.5);
            outline-offset: 3px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
        }
        button:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid rgba(224, 62, 47, 0.5);
            outline-offset: 2px;
        }
        .container-page {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }
        @media (min-width: 640px) {
            .container-page {
                padding-left: 2.5rem;
                padding-right: 2.5rem;
            }
        }
        @media (min-width: 1024px) {
            .container-page {
                padding-left: 3rem;
                padding-right: 3rem;
            }
        }
        .masthead-row-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 1.25rem;
            padding-bottom: 1.1rem;
            gap: 1.5rem;
            flex-wrap: wrap;
        }
        .masthead-brand {
            display: flex;
            align-items: baseline;
            gap: 0.65rem;
            flex-shrink: 0;
        }
        .masthead-brand a {
            color: #ffffff;
            font-size: 2rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            line-height: 1.15;
            transition: color var(--transition-base);
        }
        .masthead-brand a:hover {
            color: var(--color-accent-red);
        }
        .masthead-brand .brand-mark {
            display: inline-block;
            width: 10px;
            height: 10px;
            background-color: var(--color-accent-red);
            border-radius: 2px;
            vertical-align: middle;
            margin-right: 0.4rem;
        }
        .masthead-meta {
            display: flex;
            align-items: center;
            gap: 1rem;
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.85rem;
            font-family: var(--font-num);
        }
        .masthead-meta .date-display {
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.8rem;
            letter-spacing: 0.05em;
        }
        .masthead-search-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: transparent;
            color: rgba(255, 255, 255, 0.8);
            transition: all var(--transition-base);
        }
        .masthead-search-btn:hover {
            border-color: var(--color-accent-red);
            color: #ffffff;
            background-color: rgba(224, 62, 47, 0.15);
        }
        .channel-nav {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 0.6rem;
            padding-bottom: 0.6rem;
        }
        .channel-nav-inner {
            display: flex;
            align-items: center;
            gap: 0;
            flex-wrap: wrap;
        }
        .channel-nav a {
            color: rgba(255, 255, 255, 0.78);
            font-size: 0.95rem;
            font-weight: 500;
            padding: 0.45rem 1.1rem;
            border-left: 1px solid rgba(255, 255, 255, 0.18);
            letter-spacing: 0.03em;
            transition: color var(--transition-base), background-color var(--transition-base);
            position: relative;
        }
        .channel-nav a:first-child {
            border-left: none;
            padding-left: 0;
        }
        .channel-nav a:hover {
            color: #ffffff;
        }
        .channel-nav a.active {
            color: #ffffff;
        }
        .channel-nav a.active::after {
            content: "";
            position: absolute;
            left: 1.1rem;
            right: 1.1rem;
            bottom: -0.6rem;
            height: 2px;
            background-color: var(--color-accent-red);
            border-radius: 1px;
        }
        .channel-nav a:first-child.active::after {
            left: 0;
        }
        .site-header {
            background-color: var(--color-primary-bg);
            position: sticky;
            top: 0;
            z-index: 50;
            box-shadow: 0 1px 0 rgba(0, 0, 0, 0.1);
        }
        .mobile-menu-toggle {
            display: none;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #ffffff;
            border-radius: 8px;
            padding: 0.4rem 0.7rem;
            font-size: 0.85rem;
        }
        @media (max-width: 767px) {
            .masthead-brand a {
                font-size: 1.5rem;
            }
            .masthead-meta {
                display: none;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .channel-nav-inner {
                display: none;
                flex-direction: column;
                align-items: stretch;
                padding-top: 0.8rem;
                padding-bottom: 0.8rem;
            }
            .channel-nav-inner.open {
                display: flex;
            }
            .channel-nav a {
                border-left: none;
                border-top: 1px solid rgba(255, 255, 255, 0.12);
                padding: 0.7rem 0.3rem;
            }
            .channel-nav a:first-child {
                border-top: none;
                padding-left: 0.3rem;
            }
            .channel-nav a.active::after {
                left: 0.3rem;
                right: 0.3rem;
                bottom: 0.15rem;
                height: 2px;
            }
        }
        .section-block {
            padding: 3.5rem 0;
        }
        @media (min-width: 768px) {
            .section-block {
                padding: 4.5rem 0;
            }
        }
        .section-title {
            font-size: 1.6rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            line-height: 1.25;
            color: var(--color-text-primary);
            margin-bottom: 0.5rem;
        }
        @media (min-width: 768px) {
            .section-title {
                font-size: 2rem;
            }
        }
        .section-subtitle {
            font-size: 0.95rem;
            color: var(--color-text-muted);
            line-height: 1.7;
            max-width: 44rem;
        }
        .card-base {
            background-color: #ffffff;
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-base), transform var(--transition-base), border-color var(--transition-base);
        }
        .card-base:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-1px);
            border-color: rgba(224, 62, 47, 0.18);
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background-color: var(--color-accent-red);
            color: #ffffff;
            font-weight: 600;
            font-size: 0.9rem;
            padding: 0.7rem 1.5rem;
            border-radius: 8px;
            border: none;
            transition: background-color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
            text-decoration: none;
            line-height: 1.4;
        }
        .btn-primary:hover {
            background-color: var(--color-accent-red-hover);
            color: #ffffff;
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(224, 62, 47, 0.22);
        }
        .btn-primary:active {
            transform: translateY(0);
            background-color: #b32d21;
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background-color: transparent;
            color: var(--color-text-secondary);
            font-weight: 500;
            font-size: 0.9rem;
            padding: 0.7rem 1.5rem;
            border-radius: 8px;
            border: 1px solid #D5D5D0;
            transition: all var(--transition-base);
            text-decoration: none;
            line-height: 1.4;
        }
        .btn-secondary:hover {
            border-color: var(--color-accent-gold);
            color: var(--color-accent-gold);
            transform: translateY(-1px);
        }
        .tag {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            padding: 0.25rem 0.7rem;
            border-radius: 999px;
            background-color: #F0EEE8;
            color: var(--color-text-secondary);
            border: 1px solid #E0DED5;
            white-space: nowrap;
        }
        .tag-red {
            background-color: rgba(224, 62, 47, 0.08);
            color: var(--color-accent-red);
            border-color: rgba(224, 62, 47, 0.22);
        }
        .tag-gold {
            background-color: rgba(184, 146, 75, 0.1);
            color: var(--color-accent-gold);
            border-color: rgba(184, 146, 75, 0.28);
        }
        .tag-green {
            background-color: rgba(47, 157, 110, 0.08);
            color: var(--color-success);
            border-color: rgba(47, 157, 110, 0.22);
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            font-size: 0.82rem;
            color: var(--color-text-muted);
            gap: 0.4rem;
            flex-wrap: wrap;
            margin-bottom: 1rem;
        }
        .breadcrumb a {
            color: var(--color-text-muted);
            transition: color var(--transition-base);
        }
        .breadcrumb a:hover {
            color: var(--color-accent-red);
        }
        .breadcrumb .sep {
            color: #C0C0B8;
            font-size: 0.7rem;
        }
        .breadcrumb .current {
            color: var(--color-text-secondary);
            font-weight: 500;
        }
        .guide-list-item {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1rem;
            padding: 1.25rem 1.5rem;
            background-color: #ffffff;
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-base), transform var(--transition-base), border-color var(--transition-base);
        }
        @media (min-width: 768px) {
            .guide-list-item {
                grid-template-columns: 130px 1fr auto;
                align-items: start;
                gap: 1.5rem;
                padding: 1.5rem 1.8rem;
            }
        }
        .guide-list-item:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-1px);
            border-color: rgba(224, 62, 47, 0.18);
        }
        .guide-date {
            font-family: var(--font-num);
            font-size: 0.8rem;
            color: var(--color-text-muted);
            display: flex;
            align-items: center;
            gap: 0.3rem;
            white-space: nowrap;
        }
        .guide-title {
            font-size: 1.1rem;
            font-weight: 700;
            letter-spacing: -0.01em;
            color: var(--color-text-primary);
            margin-bottom: 0.35rem;
            line-height: 1.35;
        }
        .guide-summary {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.75;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .guide-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem;
            margin-top: 0.6rem;
        }
        .read-more {
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--color-accent-red);
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            white-space: nowrap;
        }
        .read-more:hover {
            color: var(--color-accent-red-hover);
        }
        .hot-card {
            min-width: 260px;
            background-color: #ffffff;
            border-radius: var(--radius-card-lg);
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: box-shadow var(--transition-base), transform var(--transition-base);
        }
        .hot-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .hot-card-img {
            aspect-ratio: 16/9;
            background-color: #E8E6DF;
            position: relative;
            overflow: hidden;
        }
        .hot-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .hot-card-body {
            padding: 1rem 1.2rem 1.2rem;
        }
        .hot-card-title {
            font-weight: 700;
            font-size: 0.98rem;
            line-height: 1.4;
            color: var(--color-text-primary);
            margin-bottom: 0.3rem;
        }
        .hot-card-tags {
            display: flex;
            gap: 0.35rem;
            flex-wrap: wrap;
            margin-top: 0.5rem;
        }
        .filter-chip {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            font-size: 0.82rem;
            font-weight: 500;
            padding: 0.45rem 1rem;
            border-radius: 999px;
            background-color: #ffffff;
            border: 1px solid var(--color-border-light);
            color: var(--color-text-secondary);
            transition: all var(--transition-base);
            cursor: default;
        }
        .filter-chip:hover {
            border-color: var(--color-accent-red);
            color: var(--color-accent-red);
            background-color: rgba(224, 62, 47, 0.04);
        }
        .filter-chip.active-chip {
            background-color: var(--color-accent-red);
            color: #ffffff;
            border-color: var(--color-accent-red);
        }
        .tip-card {
            background-color: #ffffff;
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-card);
            padding: 1.5rem;
        }
        .tip-number {
            font-family: var(--font-num);
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--color-accent-gold);
            display: block;
            margin-bottom: 0.4rem;
        }
        .tip-title {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--color-text-primary);
            margin-bottom: 0.3rem;
        }
        .tip-text {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }
        .faq-item {
            border-bottom: 1px solid var(--color-border-light);
            padding: 1rem 0;
        }
        .faq-item:last-child {
            border-bottom: none;
        }
        .faq-item summary {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-text-primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            list-style: none;
            padding-right: 0.5rem;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: "+";
            font-size: 1.3rem;
            font-weight: 400;
            color: var(--color-accent-red);
            flex-shrink: 0;
            transition: transform var(--transition-base);
        }
        .faq-item[open] summary::after {
            content: "−";
            transform: rotate(180deg);
        }
        .faq-item .faq-answer {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-top: 0.5rem;
            padding-left: 0.5rem;
            border-left: 2px solid rgba(224, 62, 47, 0.35);
            padding-left: 1rem;
        }
        .cta-form-card {
            background-color: var(--color-primary-bg);
            border-radius: var(--radius-card-lg);
            padding: 2rem 1.5rem;
            color: #ffffff;
            box-shadow: 0 16px 40px rgba(21, 24, 29, 0.3);
        }
        @media (min-width: 768px) {
            .cta-form-card {
                padding: 2.5rem 3rem;
            }
        }
        .cta-form-title {
            font-size: 1.4rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            margin-bottom: 0.5rem;
        }
        .cta-form-text {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.7;
            max-width: 42rem;
            margin-bottom: 1.5rem;
        }
        .form-group {
            margin-bottom: 1rem;
        }
        .form-group label {
            display: block;
            font-size: 0.82rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 0.35rem;
            letter-spacing: 0.03em;
        }
        .form-group input,
        .form-group select {
            width: 100%;
            padding: 0.65rem 0.9rem;
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            background-color: rgba(255, 255, 255, 0.06);
            color: #ffffff;
            font-size: 0.9rem;
            transition: border-color var(--transition-base), background-color var(--transition-base);
        }
        .form-group input::placeholder {
            color: rgba(255, 255, 255, 0.35);
        }
        .form-group input:focus,
        .form-group select:focus {
            border-color: var(--color-accent-red);
            background-color: rgba(255, 255, 255, 0.1);
            outline: none;
        }
        .form-group select option {
            color: var(--color-text-primary);
            background-color: #ffffff;
        }
        .site-footer {
            background-color: var(--color-primary-bg);
            color: rgba(255, 255, 255, 0.7);
            padding: 3rem 0 2rem;
            margin-top: 2rem;
        }
        .footer-brand {
            font-size: 1.4rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: -0.02em;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.85rem;
            transition: color var(--transition-base);
            display: inline-block;
        }
        .footer-links a:hover {
            color: #ffffff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            margin-top: 2.5rem;
            padding-top: 1.5rem;
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.45);
        }
        @media (min-width: 768px) {
            .footer-bottom {
                flex-direction: row;
                justify-content: space-between;
                align-items: center;
            }
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.8rem;
        }
        .footer-bottom a:hover {
            color: #ffffff;
        }
        .horizontal-scroll {
            display: flex;
            gap: 1rem;
            overflow-x: auto;
            padding-bottom: 0.8rem;
            scroll-snap-type: x proximity;
            -webkit-overflow-scrolling: touch;
        }
        .horizontal-scroll::-webkit-scrollbar {
            height: 6px;
        }
        .horizontal-scroll::-webkit-scrollbar-track {
            background: #EDEBE4;
            border-radius: 3px;
        }
        .horizontal-scroll::-webkit-scrollbar-thumb {
            background: #C8C5BC;
            border-radius: 3px;
        }
        .section-alt-bg {
            background-color: #EEECE5;
        }
        .stats-row {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 0.1rem;
        }
        @media (min-width: 768px) {
            .stats-row {
                grid-template-columns: repeat(4, 1fr);
            }
        }
        .stat-item {
            text-align: center;
            padding: 1.2rem 0.8rem;
        }
        .stat-number {
            font-family: var(--font-num);
            font-weight: 700;
            font-size: 1.8rem;
            color: var(--color-accent-red);
            line-height: 1.2;
        }
        .stat-label {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            margin-top: 0.2rem;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .mb-1 {
            margin-bottom: 0.35rem;
        }
        .mb-2 {
            margin-bottom: 0.7rem;
        }
        .mb-3 {
            margin-bottom: 1rem;
        }
        .mb-4 {
            margin-bottom: 1.5rem;
        }
        .mb-6 {
            margin-bottom: 2rem;
        }
        .mt-2 {
            margin-top: 0.7rem;
        }
        .mt-4 {
            margin-top: 1.5rem;
        }
        .flex-between {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.8rem;
        }

/* roulang page: category3 */
:root {
            --color-primary-bg: #15181D;
            --color-secondary-bg: #F7F6F2;
            --color-accent-red: #E03E2F;
            --color-accent-red-hover: #C83426;
            --color-accent-gold: #B8924B;
            --color-accent-gold-light: #C09B5A;
            --color-success: #2F9D6E;
            --color-warning: #E67E22;
            --color-text-primary: #1A1D22;
            --color-text-secondary: #4A4F57;
            --color-text-muted: #6B7280;
            --color-border-light: #E5E5E0;
            --color-border-dark: rgba(255, 255, 255, 0.1);
            --radius-card: 12px;
            --radius-card-lg: 18px;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06), 0 4px 12px rgba(0, 0, 0, 0.04);
            --shadow-card-hover: 0 12px 32px rgba(0, 0, 0, 0.12), 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-nav: 0 2px 16px rgba(0, 0, 0, 0.08);
            --font-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --font-num: "Inter", "Roboto", system-ui, -apple-system, sans-serif;
            --transition-base: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-spring: 0.32s cubic-bezier(0.22, 1, 0.36, 1);
        }

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

        body {
            font-family: var(--font-sans);
            color: var(--color-text-primary);
            background-color: var(--color-secondary-bg);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
            margin: 0;
            padding: 0;
        }

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

        a {
            color: var(--color-accent-red);
            text-decoration: none;
            transition: color var(--transition-base), border-color var(--transition-base), opacity var(--transition-base);
        }

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

        a:focus-visible {
            outline: 2px solid rgba(224, 62, 47, 0.5);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button {
            cursor: pointer;
        }

        button:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid rgba(224, 62, 47, 0.5);
            outline-offset: 2px;
        }

        .container-page {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        @media (min-width: 768px) {
            .container-page {
                padding-left: 2.5rem;
                padding-right: 2.5rem;
            }
        }

        @media (min-width: 1024px) {
            .container-page {
                padding-left: 3rem;
                padding-right: 3rem;
            }
        }

        .masthead {
            background-color: var(--color-primary-bg);
            color: #ffffff;
            position: relative;
            z-index: 40;
            box-shadow: var(--shadow-nav);
        }

        .masthead-row-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 1.1rem;
            padding-bottom: 1rem;
            gap: 1.25rem;
            flex-wrap: wrap;
        }

        .masthead-brand {
            display: flex;
            align-items: baseline;
            gap: 0.5rem;
            flex-shrink: 0;
        }

        .masthead-brand a {
            color: #ffffff;
            font-size: 1.7rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            line-height: 1.15;
            transition: color var(--transition-base);
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }

        .masthead-brand a:hover {
            color: var(--color-accent-red);
        }

        .masthead-brand .brand-mark {
            display: inline-block;
            width: 10px;
            height: 10px;
            background-color: var(--color-accent-red);
            border-radius: 2px;
            flex-shrink: 0;
        }

        .masthead-meta {
            display: flex;
            align-items: center;
            gap: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.82rem;
            font-family: var(--font-num);
        }

        .masthead-meta .date-display {
            color: rgba(255, 255, 255, 0.88);
            font-size: 0.78rem;
            letter-spacing: 0.05em;
        }

        .masthead-search-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: transparent;
            color: rgba(255, 255, 255, 0.8);
            transition: all var(--transition-base);
            font-size: 0.9rem;
            line-height: 1;
        }

        .masthead-search-btn:hover {
            border-color: var(--color-accent-red);
            color: #ffffff;
            background-color: rgba(224, 62, 47, 0.15);
        }

        .channel-nav {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 0.5rem;
            padding-bottom: 0.5rem;
        }

        .channel-nav-inner {
            display: flex;
            align-items: center;
            gap: 0;
            flex-wrap: wrap;
        }

        .channel-nav a {
            color: rgba(255, 255, 255, 0.78);
            font-size: 0.92rem;
            font-weight: 500;
            padding: 0.42rem 1.05rem;
            border-left: 1px solid rgba(255, 255, 255, 0.18);
            letter-spacing: 0.03em;
            transition: color var(--transition-base), background-color var(--transition-base);
            position: relative;
            display: inline-block;
        }

        .channel-nav a:first-child {
            border-left: none;
            padding-left: 0;
        }

        .channel-nav a:hover {
            color: #ffffff;
            background-color: rgba(255, 255, 255, 0.06);
        }

        .channel-nav a.active {
            color: #ffffff;
            font-weight: 600;
        }

        .channel-nav a.active::after {
            content: '';
            position: absolute;
            bottom: -0.5rem;
            left: 1.05rem;
            right: 1.05rem;
            height: 2px;
            background-color: var(--color-accent-red);
            border-radius: 1px;
        }

        .channel-nav a:first-child.active::after {
            left: 0;
        }

        .mobile-menu-toggle {
            display: none;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 8px;
            width: 40px;
            height: 36px;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.85);
        }

        .mobile-menu-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: currentColor;
            border-radius: 1px;
            position: relative;
        }

        .mobile-menu-toggle span::before,
        .mobile-menu-toggle span::after {
            content: '';
            display: block;
            width: 20px;
            height: 2px;
            background: currentColor;
            border-radius: 1px;
            position: absolute;
            left: 0;
            transition: transform var(--transition-base), top var(--transition-base);
        }

        .mobile-menu-toggle span::before {
            top: -6px;
        }

        .mobile-menu-toggle span::after {
            top: 6px;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.4rem;
            font-size: 0.82rem;
            color: var(--color-text-muted);
            margin-bottom: 0.75rem;
            letter-spacing: 0.03em;
        }

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

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

        .breadcrumb .sep {
            color: #c0c0bb;
            user-select: none;
        }

        .breadcrumb .current {
            color: var(--color-text-primary);
            font-weight: 500;
        }

        .category-header {
            background-color: #ffffff;
            border-bottom: 1px solid var(--color-border-light);
            padding-top: 2.2rem;
            padding-bottom: 2.2rem;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.03);
        }

        .category-header-inner {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .category-header h1 {
            font-size: 1.9rem;
            font-weight: 700;
            letter-spacing: -0.015em;
            color: var(--color-text-primary);
            margin: 0;
            line-height: 1.3;
        }

        .category-header .cat-desc {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            max-width: 760px;
            line-height: 1.8;
            margin: 0;
        }

        .cat-stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 1.1rem 2rem;
            margin-top: 0.6rem;
            font-size: 0.82rem;
            color: var(--color-text-muted);
            font-family: var(--font-num);
        }

        .cat-stats-row span {
            display: flex;
            align-items: center;
            gap: 0.35rem;
        }

        .cat-stats-row .stat-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background-color: var(--color-accent-red);
            display: inline-block;
        }

        .section-block {
            padding-top: 4rem;
            padding-bottom: 4rem;
        }

        @media (max-width: 767px) {
            .section-block {
                padding-top: 2.6rem;
                padding-bottom: 2.6rem;
            }
        }

        .section-title {
            font-size: 1.45rem;
            font-weight: 700;
            letter-spacing: -0.01em;
            color: var(--color-text-primary);
            margin: 0 0 1.2rem;
            line-height: 1.35;
        }

        .section-title .title-accent {
            color: var(--color-accent-red);
        }

        .section-subtitle {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin: -0.6rem 0 1.8rem;
            line-height: 1.65;
        }

        .metric-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1rem;
        }

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

        @media (max-width: 520px) {
            .metric-grid {
                grid-template-columns: 1fr 1fr;
                gap: 0.7rem;
            }
        }

        .metric-card {
            background-color: #ffffff;
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-card);
            padding: 1.4rem 1.5rem;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-base), transform var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 0.3rem;
        }

        .metric-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .metric-card .metric-value {
            font-family: var(--font-num);
            font-size: 2.1rem;
            font-weight: 700;
            color: var(--color-accent-red);
            line-height: 1.2;
            letter-spacing: -0.02em;
        }

        .metric-card .metric-label {
            font-size: 0.82rem;
            color: var(--color-text-muted);
            font-weight: 500;
            letter-spacing: 0.04em;
        }

        .report-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .report-card {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            background-color: #ffffff;
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-card);
            padding: 1.4rem 1.5rem;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-base), transform var(--transition-base);
        }

        @media (min-width: 768px) {
            .report-card {
                flex-direction: row;
                align-items: flex-start;
                gap: 1.5rem;
                padding: 1.6rem 1.8rem;
            }
        }

        .report-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .report-card .report-img-wrap {
            flex-shrink: 0;
            width: 100%;
            height: 140px;
            border-radius: 8px;
            overflow: hidden;
            background-color: #f0f0ea;
            position: relative;
        }

        @media (min-width: 768px) {
            .report-card .report-img-wrap {
                width: 180px;
                height: 110px;
            }
        }

        .report-card .report-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }

        .report-card .report-body {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 0.55rem;
            min-width: 0;
        }

        .report-card .report-meta-row {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.6rem 1rem;
            font-size: 0.75rem;
            color: var(--color-text-muted);
            font-family: var(--font-num);
        }

        .report-card .report-date {
            color: var(--color-text-secondary);
            letter-spacing: 0.04em;
        }

        .report-card .report-status {
            display: inline-block;
            padding: 0.15rem 0.65rem;
            border-radius: 20px;
            font-size: 0.7rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            font-family: var(--font-sans);
        }

        .report-status.status-updated {
            background-color: rgba(47, 157, 110, 0.12);
            color: var(--color-success);
        }

        .report-status.status-hot {
            background-color: rgba(224, 62, 47, 0.1);
            color: var(--color-accent-red);
        }

        .report-status.status-new {
            background-color: rgba(230, 126, 34, 0.12);
            color: var(--color-warning);
        }

        .report-card .report-title {
            font-size: 1.08rem;
            font-weight: 650;
            color: var(--color-text-primary);
            line-height: 1.45;
            margin: 0;
            letter-spacing: -0.005em;
        }

        .report-card .report-summary {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            line-height: 1.72;
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .report-card .report-footer-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin-top: 0.2rem;
        }

        .report-card .report-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem;
        }

        .report-card .report-tag {
            display: inline-block;
            font-size: 0.7rem;
            color: var(--color-text-muted);
            background-color: #f5f5f0;
            border-radius: 4px;
            padding: 0.15rem 0.55rem;
            letter-spacing: 0.03em;
            font-weight: 500;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.4rem;
            border-radius: 8px;
            padding: 0.55rem 1.2rem;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            transition: all var(--transition-base);
            border: 1px solid transparent;
            cursor: pointer;
            line-height: 1.4;
            font-family: var(--font-sans);
        }

        .btn-primary {
            background-color: var(--color-accent-red);
            color: #ffffff;
            border-color: var(--color-accent-red);
        }

        .btn-primary:hover {
            background-color: var(--color-accent-red-hover);
            border-color: var(--color-accent-red-hover);
            color: #ffffff;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(224, 62, 47, 0.28);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .btn-secondary {
            background-color: transparent;
            color: var(--color-text-secondary);
            border-color: #d5d5d0;
        }

        .btn-secondary:hover {
            border-color: var(--color-accent-gold);
            color: var(--color-accent-gold);
            transform: translateY(-1px);
        }

        .btn-sm {
            padding: 0.35rem 0.8rem;
            font-size: 0.78rem;
            border-radius: 6px;
        }

        .btn-link-style {
            background: none;
            border: none;
            color: var(--color-accent-red);
            font-weight: 600;
            font-size: 0.85rem;
            padding: 0;
            cursor: pointer;
            letter-spacing: 0.03em;
            transition: color var(--transition-base);
        }

        .btn-link-style:hover {
            color: var(--color-accent-red-hover);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .chart-block {
            background-color: var(--color-primary-bg);
            border-radius: var(--radius-card-lg);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            box-shadow: var(--shadow-card-hover);
        }

        @media (min-width: 900px) {
            .chart-block {
                flex-direction: row;
                align-items: stretch;
            }
        }

        .chart-block .chart-visual {
            flex: 1.2;
            min-height: 260px;
            background-color: #1e2228;
            position: relative;
            overflow: hidden;
        }

        .chart-block .chart-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.75;
            transition: opacity 0.5s;
        }

        .chart-block .chart-visual:hover img {
            opacity: 0.85;
        }

        .chart-block .chart-overlay {
            position: absolute;
            inset: 0;
            display: flex;
            align-items: flex-end;
            padding: 1.5rem;
            background: linear-gradient(to top, rgba(21, 24, 29, 0.85) 0%, rgba(21, 24, 29, 0.2) 100%);
        }

        .chart-block .chart-overlay .chart-tag {
            color: #ffffff;
            font-size: 0.82rem;
            font-weight: 500;
            letter-spacing: 0.08em;
            background: rgba(224, 62, 47, 0.85);
            border-radius: 4px;
            padding: 0.3rem 0.8rem;
        }

        .chart-block .chart-info {
            flex: 1;
            padding: 1.8rem 2rem;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 0.7rem;
            color: rgba(255, 255, 255, 0.85);
        }

        .chart-block .chart-info h3 {
            font-size: 1.2rem;
            font-weight: 650;
            color: #ffffff;
            margin: 0;
            line-height: 1.45;
        }

        .chart-block .chart-info p {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.75;
            margin: 0;
        }

        .chart-block .chart-info .chart-data-row {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem 1.8rem;
            margin-top: 0.3rem;
            font-family: var(--font-num);
            font-size: 0.82rem;
        }

        .chart-block .chart-info .chart-data-row span {
            color: var(--color-accent-gold-light);
            font-weight: 600;
        }

        .highlight-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.1rem;
        }

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

        @media (min-width: 600px) and (max-width: 899px) {
            .highlight-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        .highlight-card {
            background-color: #ffffff;
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-base), transform var(--transition-base);
            display: flex;
            flex-direction: column;
        }

        .highlight-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }

        .highlight-card .highlight-img {
            height: 150px;
            overflow: hidden;
            background-color: #f0f0ea;
        }

        .highlight-card .highlight-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s;
        }

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

        .highlight-card .highlight-body {
            padding: 1.2rem 1.4rem;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
            flex: 1;
        }

        .highlight-card .highlight-label {
            font-size: 0.7rem;
            font-weight: 600;
            color: var(--color-accent-red);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            font-family: var(--font-sans);
        }

        .highlight-card .highlight-title {
            font-size: 1rem;
            font-weight: 650;
            color: var(--color-text-primary);
            line-height: 1.45;
            margin: 0;
        }

        .highlight-card .highlight-desc {
            font-size: 0.82rem;
            color: var(--color-text-muted);
            line-height: 1.65;
            margin: 0;
            flex: 1;
        }

        .highlight-card .highlight-meta {
            font-size: 0.75rem;
            color: #a0a0a0;
            font-family: var(--font-num);
            letter-spacing: 0.03em;
        }

        .cta-band {
            background-color: var(--color-primary-bg);
            border-radius: var(--radius-card-lg);
            padding: 2.2rem 2rem;
            display: flex;
            flex-direction: column;
            gap: 1.2rem;
            box-shadow: var(--shadow-card-hover);
            position: relative;
            overflow: hidden;
        }

        .cta-band::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/55e6d2bdde2e7230.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            pointer-events: none;
        }

        .cta-band>* {
            position: relative;
            z-index: 1;
        }

        .cta-band h3 {
            font-size: 1.3rem;
            font-weight: 650;
            color: #ffffff;
            margin: 0;
            line-height: 1.4;
        }

        .cta-band p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            margin: 0;
            line-height: 1.7;
            max-width: 600px;
        }

        .cta-band .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 0.7rem;
            margin-top: 0.3rem;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0.7rem;
        }

        .faq-item {
            background-color: #ffffff;
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: border-color var(--transition-base), box-shadow var(--transition-base);
        }

        .faq-item:hover {
            border-color: #d8d8d2;
            box-shadow: var(--shadow-card-hover);
        }

        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1rem 1.3rem;
            cursor: pointer;
            font-weight: 600;
            font-size: 0.92rem;
            color: var(--color-text-primary);
            line-height: 1.5;
            letter-spacing: 0.01em;
            list-style: none;
            user-select: none;
            transition: color var(--transition-base);
        }

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

        .faq-item summary:hover {
            color: var(--color-accent-red);
        }

        .faq-item summary .faq-icon {
            flex-shrink: 0;
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background-color: #f5f5f0;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-text-muted);
            font-size: 1rem;
            font-weight: 600;
            transition: transform var(--transition-base), background-color var(--transition-base), color var(--transition-base);
            margin-left: 0.8rem;
        }

        .faq-item[open] summary .faq-icon {
            transform: rotate(45deg);
            background-color: var(--color-accent-red);
            color: #ffffff;
        }

        .faq-item .faq-answer {
            padding: 0 1.3rem 1.2rem;
            font-size: 0.86rem;
            color: var(--color-text-secondary);
            line-height: 1.75;
            border-left: 3px solid var(--color-accent-red);
            margin-left: 1.3rem;
            padding-left: 1rem;
            margin-right: 1.3rem;
            border-radius: 0 0 0 6px;
        }

        .site-footer {
            background-color: var(--color-primary-bg);
            color: rgba(255, 255, 255, 0.85);
            padding-top: 3rem;
            padding-bottom: 1.8rem;
            margin-top: 2rem;
            border-top: 2px solid rgba(255, 255, 255, 0.06);
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }

        @media (min-width: 768px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr 1fr;
            }
        }

        .site-footer .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: -0.01em;
            margin-bottom: 0.4rem;
        }

        .site-footer .footer-desc {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            max-width: 24rem;
            margin-top: 0.6rem;
        }

        .site-footer .footer-col-label {
            font-size: 0.74rem;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.4);
            letter-spacing: 0.1em;
            text-transform: uppercase;
            margin-bottom: 0.65rem;
            display: block;
        }

        .site-footer .footer-links {
            display: flex;
            flex-direction: column;
            gap: 0.45rem;
        }

        .site-footer .footer-links a {
            color: rgba(255, 255, 255, 0.78);
            font-size: 0.85rem;
            transition: color var(--transition-base);
        }

        .site-footer .footer-links a:hover {
            color: var(--color-accent-red);
        }

        .site-footer .footer-direction-items {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.65);
        }

        .site-footer .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.7rem 1.4rem;
            padding-top: 1.6rem;
            margin-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.5);
        }

        .site-footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.78rem;
            transition: color var(--transition-base);
        }

        .site-footer .footer-bottom a:hover {
            color: var(--color-accent-red);
        }

        .view-more-row {
            display: flex;
            justify-content: center;
            margin-top: 1.3rem;
        }

        .view-more-row a {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--color-accent-red);
            letter-spacing: 0.04em;
            transition: color var(--transition-base), gap var(--transition-base);
        }

        .view-more-row a:hover {
            color: var(--color-accent-red-hover);
            gap: 0.55rem;
        }

        @media (max-width: 767px) {
            .masthead-brand a {
                font-size: 1.3rem;
            }

            .masthead-meta {
                font-size: 0.75rem;
                gap: 0.5rem;
            }

            .masthead-meta .date-display {
                font-size: 0.7rem;
            }

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

            .channel-nav {
                display: none;
                padding-top: 0.3rem;
                padding-bottom: 0.6rem;
            }

            .channel-nav.open {
                display: block;
            }

            .channel-nav-inner {
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding-top: 0.3rem;
            }

            .channel-nav a {
                border-left: none;
                border-top: 1px solid rgba(255, 255, 255, 0.1);
                padding: 0.6rem 0.25rem;
                font-size: 0.9rem;
                display: block;
                padding-left: 0.25rem;
            }

            .channel-nav a:first-child {
                border-top: none;
                padding-left: 0.25rem;
            }

            .channel-nav a.active::after {
                bottom: 0;
                left: 0;
                right: auto;
                width: 32px;
                height: 2px;
                background-color: var(--color-accent-red);
                border-radius: 1px;
                content: '';
                position: absolute;
            }

            .channel-nav a:first-child.active::after {
                left: 0;
            }

            .category-header h1 {
                font-size: 1.5rem;
            }

            .section-title {
                font-size: 1.2rem;
            }

            .report-card {
                padding: 1.1rem 1.2rem;
            }

            .report-card .report-img-wrap {
                height: 110px;
            }

            .chart-block {
                border-radius: var(--radius-card);
            }

            .chart-block .chart-info {
                padding: 1.4rem 1.4rem;
            }

            .highlight-card .highlight-img {
                height: 120px;
            }

            .cta-band {
                padding: 1.6rem 1.4rem;
                border-radius: var(--radius-card);
            }

            .metric-card {
                padding: 1rem 1.1rem;
            }

            .metric-card .metric-value {
                font-size: 1.6rem;
            }

            .site-footer {
                padding-top: 2.2rem;
                padding-bottom: 1.4rem;
            }

            .site-footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.4rem;
            }
        }

        @media (max-width: 520px) {
            .metric-grid {
                grid-template-columns: 1fr 1fr;
                gap: 0.6rem;
            }

            .metric-card .metric-value {
                font-size: 1.4rem;
            }

            .metric-card .metric-label {
                font-size: 0.72rem;
            }

            .report-card .report-title {
                font-size: 0.98rem;
            }

            .report-card .report-summary {
                font-size: 0.82rem;
                -webkit-line-clamp: 3;
            }

            .chart-block .chart-visual {
                min-height: 200px;
            }

            .chart-block .chart-info h3 {
                font-size: 1.05rem;
            }

            .highlight-card .highlight-img {
                height: 100px;
            }

            .faq-item summary {
                font-size: 0.85rem;
                padding: 0.9rem 1rem;
            }

            .faq-item .faq-answer {
                margin-left: 1rem;
                margin-right: 1rem;
                padding: 0 0.9rem 1rem;
                font-size: 0.8rem;
            }

            .section-block {
                padding-top: 2.2rem;
                padding-bottom: 2.2rem;
            }
        }

/* roulang page: category4 */
:root {
            --color-primary-bg: #15181D;
            --color-secondary-bg: #F7F6F2;
            --color-accent-red: #E03E2F;
            --color-accent-red-hover: #C83426;
            --color-accent-gold: #B8924B;
            --color-accent-gold-light: #C09B5A;
            --color-success: #2F9D6E;
            --color-warning: #E67E22;
            --color-text-primary: #1A1D22;
            --color-text-secondary: #4A4F57;
            --color-text-muted: #6B7280;
            --color-border-light: #E5E5E0;
            --color-border-dark: rgba(255, 255, 255, 0.1);
            --radius-card: 12px;
            --radius-card-lg: 18px;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06), 0 4px 12px rgba(0, 0, 0, 0.04);
            --shadow-card-hover: 0 12px 32px rgba(0, 0, 0, 0.12), 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-nav: 0 2px 16px rgba(0, 0, 0, 0.08);
            --font-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --font-num: "Inter", "Roboto", system-ui, -apple-system, sans-serif;
            --transition-base: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-spring: 0.32s cubic-bezier(0.22, 1, 0.36, 1);
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            color: var(--color-text-primary);
            background-color: var(--color-secondary-bg);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
            margin: 0;
            padding: 0;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        a {
            color: var(--color-accent-red);
            text-decoration: none;
            transition: color var(--transition-base), border-color var(--transition-base), opacity var(--transition-base);
        }
        a:hover {
            color: var(--color-accent-red-hover);
        }
        a:focus-visible {
            outline: 2px solid rgba(224, 62, 47, 0.5);
            outline-offset: 3px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
        }
        button:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid rgba(224, 62, 47, 0.5);
            outline-offset: 2px;
        }
        .container-page {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }
        @media (min-width: 768px) {
            .container-page {
                padding-left: 2.5rem;
                padding-right: 2.5rem;
            }
        }
        @media (min-width: 1024px) {
            .container-page {
                padding-left: 3rem;
                padding-right: 3rem;
            }
        }

        /* 刊头导航 */
        .masthead {
            background-color: var(--color-primary-bg);
            color: #ffffff;
            box-shadow: var(--shadow-nav);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .masthead-row-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 1.25rem;
            padding-bottom: 1.1rem;
            gap: 1.5rem;
            flex-wrap: wrap;
        }
        .masthead-brand {
            display: flex;
            align-items: baseline;
            gap: 0.65rem;
            flex-shrink: 0;
        }
        .masthead-brand a {
            color: #ffffff;
            font-size: 1.6rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            line-height: 1.15;
            transition: color var(--transition-base);
        }
        .masthead-brand a:hover {
            color: var(--color-accent-red);
        }
        .masthead-brand .brand-mark {
            display: inline-block;
            width: 10px;
            height: 10px;
            background-color: var(--color-accent-red);
            border-radius: 2px;
            vertical-align: middle;
            margin-right: 0.4rem;
        }
        .masthead-meta {
            display: flex;
            align-items: center;
            gap: 1rem;
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.85rem;
            font-family: var(--font-num);
        }
        .masthead-meta .date-display {
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.8rem;
            letter-spacing: 0.05em;
        }
        .masthead-search-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: transparent;
            color: rgba(255, 255, 255, 0.8);
            transition: all var(--transition-base);
        }
        .masthead-search-btn:hover {
            border-color: var(--color-accent-red);
            color: #ffffff;
            background-color: rgba(224, 62, 47, 0.15);
        }
        .channel-nav {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 0.6rem;
            padding-bottom: 0.6rem;
        }
        .channel-nav-inner {
            display: flex;
            align-items: center;
            gap: 0;
            flex-wrap: wrap;
        }
        .channel-nav a {
            color: rgba(255, 255, 255, 0.78);
            font-size: 0.95rem;
            font-weight: 500;
            padding: 0.45rem 1.1rem;
            border-left: 1px solid rgba(255, 255, 255, 0.18);
            letter-spacing: 0.03em;
            transition: color var(--transition-base), background-color var(--transition-base);
            position: relative;
            white-space: nowrap;
        }
        .channel-nav a:first-child {
            border-left: none;
            padding-left: 0;
        }
        .channel-nav a:hover {
            color: #ffffff;
            background-color: rgba(255, 255, 255, 0.06);
        }
        .channel-nav a.active {
            color: var(--color-accent-red);
            font-weight: 600;
        }
        .channel-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 0.1rem;
            left: 1.1rem;
            right: 1.1rem;
            height: 2px;
            background-color: var(--color-accent-red);
            border-radius: 2px;
        }
        .channel-nav a.active:first-child::after {
            left: 0;
        }
        .hamburger-btn {
            display: none;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, 0.25);
            background: transparent;
            color: #ffffff;
            font-size: 1.2rem;
            transition: all var(--transition-base);
            flex-shrink: 0;
        }
        .hamburger-btn:hover {
            border-color: var(--color-accent-red);
            background-color: rgba(224, 62, 47, 0.15);
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            gap: 0;
            padding-top: 0.5rem;
            padding-bottom: 0.8rem;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            margin-top: 0.5rem;
        }
        .mobile-nav a {
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.95rem;
            font-weight: 500;
            padding: 0.7rem 0.3rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: color var(--transition-base), padding-left var(--transition-base);
        }
        .mobile-nav a:hover {
            color: #ffffff;
            padding-left: 0.7rem;
        }
        .mobile-nav a.active {
            color: var(--color-accent-red);
            font-weight: 600;
        }

        /* 面包屑 */
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.4rem;
            font-size: 0.85rem;
            color: var(--color-text-muted);
            padding-top: 1.5rem;
            padding-bottom: 0.4rem;
        }
        .breadcrumb a {
            color: var(--color-text-secondary);
            font-weight: 500;
        }
        .breadcrumb a:hover {
            color: var(--color-accent-red);
        }
        .breadcrumb-sep {
            color: #c0c0c0;
            user-select: none;
        }
        .breadcrumb-current {
            color: var(--color-accent-red);
            font-weight: 600;
        }

        /* 分类头部 */
        .category-header {
            padding-top: 1.2rem;
            padding-bottom: 2.2rem;
            border-bottom: 1px solid var(--color-border-light);
            background-color: #ffffff;
            border-radius: 0 0 var(--radius-card) var(--radius-card);
            box-shadow: var(--shadow-card);
            margin-bottom: 2.5rem;
        }
        .category-header-inner {
            display: flex;
            flex-direction: column;
            gap: 0.9rem;
        }
        .category-header h1 {
            font-size: 2rem;
            font-weight: 700;
            letter-spacing: -0.01em;
            line-height: 1.3;
            color: var(--color-text-primary);
            margin: 0;
        }
        .category-header .category-desc {
            font-size: 1rem;
            color: var(--color-text-secondary);
            max-width: 46rem;
            line-height: 1.8;
            margin: 0;
        }
        .category-header .result-count {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.85rem;
            color: var(--color-text-muted);
            font-family: var(--font-num);
        }
        .category-header .result-count .count-badge {
            display: inline-block;
            background-color: var(--color-accent-red);
            color: #ffffff;
            font-weight: 600;
            padding: 0.15rem 0.6rem;
            border-radius: 20px;
            font-size: 0.8rem;
            letter-spacing: 0.03em;
        }

        /* 板块通用 */
        .section-block {
            padding-top: 2.8rem;
            padding-bottom: 2.8rem;
            position: relative;
        }
        .section-block-alt {
            background-color: #ffffff;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 2.5rem 1.8rem;
            margin-bottom: 2.5rem;
        }
        .section-title {
            font-size: 1.45rem;
            font-weight: 700;
            letter-spacing: -0.01em;
            line-height: 1.35;
            color: var(--color-text-primary);
            margin-bottom: 1.4rem;
        }
        .section-title .title-accent {
            color: var(--color-accent-red);
            font-weight: 700;
        }
        .section-title-sm {
            font-size: 1.1rem;
            font-weight: 600;
            line-height: 1.45;
            color: var(--color-text-primary);
            margin-bottom: 0.6rem;
        }
        .section-sub {
            font-size: 0.95rem;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin-bottom: 1.5rem;
        }

        /* 动态列表卡片 */
        .update-list {
            display: flex;
            flex-direction: column;
            gap: 1.2rem;
        }
        .update-card {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            background-color: #ffffff;
            border-radius: var(--radius-card);
            padding: 1.4rem 1.5rem;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-base), transform var(--transition-base), border-color var(--transition-base);
        }
        .update-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: #d8d8d0;
        }
        .update-card-top {
            display: flex;
            align-items: flex-start;
            gap: 1rem;
            flex-wrap: wrap;
        }
        .update-date {
            font-family: var(--font-num);
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--color-text-muted);
            background-color: var(--color-secondary-bg);
            padding: 0.2rem 0.65rem;
            border-radius: 6px;
            white-space: nowrap;
            letter-spacing: 0.03em;
        }
        .update-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .tag-badge {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 500;
            padding: 0.2rem 0.65rem;
            border-radius: 20px;
            letter-spacing: 0.02em;
            border: 1px solid transparent;
        }
        .tag-badge-red {
            background-color: rgba(224, 62, 47, 0.1);
            color: var(--color-accent-red);
            border-color: rgba(224, 62, 47, 0.25);
        }
        .tag-badge-gold {
            background-color: rgba(184, 146, 75, 0.12);
            color: var(--color-accent-gold);
            border-color: rgba(184, 146, 75, 0.3);
        }
        .tag-badge-green {
            background-color: rgba(47, 157, 110, 0.12);
            color: var(--color-success);
            border-color: rgba(47, 157, 110, 0.3);
        }
        .tag-badge-gray {
            background-color: #f0f0eb;
            color: var(--color-text-secondary);
            border-color: #e0e0da;
        }
        .update-card h3 {
            font-size: 1.05rem;
            font-weight: 600;
            line-height: 1.5;
            margin: 0;
            color: var(--color-text-primary);
        }
        .update-card .update-summary {
            font-size: 0.92rem;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .update-card .read-more-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-accent-red);
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            transition: color var(--transition-base), gap var(--transition-base);
            white-space: nowrap;
        }
        .update-card .read-more-link:hover {
            color: var(--color-accent-red-hover);
            gap: 0.6rem;
        }
        @media (min-width: 640px) {
            .update-card {
                flex-direction: row;
                align-items: flex-start;
                gap: 1.5rem;
                padding: 1.6rem 1.8rem;
            }
            .update-card-top {
                flex-shrink: 0;
                flex-direction: column;
                gap: 0.7rem;
                min-width: 110px;
            }
            .update-card-content {
                flex: 1;
            }
        }

        /* 版本简讯 */
        .version-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1rem;
        }
        @media (min-width: 640px) {
            .version-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .version-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        .version-card {
            background-color: #ffffff;
            border-radius: var(--radius-card);
            padding: 1.3rem 1.4rem;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-base), transform var(--transition-base);
        }
        .version-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .version-card .version-num {
            font-family: var(--font-num);
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--color-accent-gold);
            letter-spacing: 0.05em;
            margin-bottom: 0.4rem;
        }
        .version-card .version-title {
            font-size: 0.95rem;
            font-weight: 600;
            line-height: 1.5;
            color: var(--color-text-primary);
            margin-bottom: 0.5rem;
        }
        .version-card .version-desc {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* 活动速览 */
        .activity-scroll {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1rem;
        }
        @media (min-width: 640px) {
            .activity-scroll {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .activity-scroll {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        .activity-card {
            background-color: #ffffff;
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-base), transform var(--transition-base);
        }
        .activity-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .activity-card .activity-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background-color: #e8e8e2;
        }
        .activity-card .activity-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-spring);
        }
        .activity-card:hover .activity-img-wrap img {
            transform: scale(1.04);
        }
        .activity-card .activity-body {
            padding: 1.2rem 1.4rem 1.4rem;
        }
        .activity-card .activity-date {
            font-family: var(--font-num);
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--color-accent-red);
            letter-spacing: 0.04em;
            margin-bottom: 0.35rem;
        }
        .activity-card .activity-title {
            font-size: 0.98rem;
            font-weight: 600;
            line-height: 1.5;
            color: var(--color-text-primary);
            margin-bottom: 0.5rem;
        }
        .activity-card .activity-desc {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* 公告列表 */
        .announcement-list {
            display: flex;
            flex-direction: column;
            gap: 0.7rem;
        }
        .announcement-item {
            display: flex;
            align-items: flex-start;
            gap: 0.9rem;
            background-color: #ffffff;
            border-radius: 10px;
            padding: 1rem 1.2rem;
            border: 1px solid var(--color-border-light);
            transition: border-color var(--transition-base), background-color var(--transition-base);
        }
        .announcement-item:hover {
            border-color: #d0d0c8;
            background-color: #fcfcfa;
        }
        .announcement-item .announcement-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 6px;
            background-color: rgba(224, 62, 47, 0.1);
            color: var(--color-accent-red);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            font-weight: 700;
        }
        .announcement-item .announcement-content {
            flex: 1;
        }
        .announcement-item .announcement-title {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-text-primary);
            line-height: 1.5;
            margin-bottom: 0.15rem;
        }
        .announcement-item .announcement-date {
            font-family: var(--font-num);
            font-size: 0.78rem;
            color: var(--color-text-muted);
        }

        /* CTA */
        .cta-block {
            background-color: var(--color-primary-bg);
            border-radius: var(--radius-card-lg);
            padding: 2.5rem 2rem;
            margin-top: 0.5rem;
            margin-bottom: 1rem;
            position: relative;
            overflow: hidden;
        }
        .cta-block::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 300px;
            height: 100%;
            background: linear-gradient(120deg, transparent 0%, rgba(224, 62, 47, 0.12) 60%, rgba(224, 62, 47, 0.06) 100%);
            pointer-events: none;
        }
        .cta-block-inner {
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            gap: 1rem;
            align-items: flex-start;
        }
        @media (min-width: 768px) {
            .cta-block {
                padding: 3rem 3.5rem;
            }
            .cta-block-inner {
                flex-direction: row;
                align-items: center;
                justify-content: space-between;
                gap: 2rem;
            }
        }
        .cta-block h2 {
            font-size: 1.3rem;
            font-weight: 700;
            color: #ffffff;
            line-height: 1.45;
            margin: 0;
            letter-spacing: -0.01em;
        }
        .cta-block p {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.65);
            margin: 0;
            line-height: 1.7;
            max-width: 30rem;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background-color: var(--color-accent-red);
            color: #ffffff;
            font-weight: 600;
            font-size: 0.92rem;
            padding: 0.75rem 1.8rem;
            border-radius: 8px;
            border: none;
            transition: background-color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .btn-primary:hover {
            background-color: var(--color-accent-red-hover);
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(224, 62, 47, 0.35);
            color: #ffffff;
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(224, 62, 47, 0.25);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background-color: transparent;
            color: var(--color-text-primary);
            font-weight: 500;
            font-size: 0.92rem;
            padding: 0.75rem 1.8rem;
            border-radius: 8px;
            border: 1px solid #d0d0ca;
            transition: border-color var(--transition-base), color var(--transition-base), background-color var(--transition-base);
            white-space: nowrap;
        }
        .btn-secondary:hover {
            border-color: var(--color-accent-gold);
            color: var(--color-accent-gold);
            background-color: rgba(184, 146, 75, 0.05);
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }
        .faq-item {
            background-color: #ffffff;
            border-radius: 10px;
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: border-color var(--transition-base), box-shadow var(--transition-base);
        }
        .faq-item:hover {
            border-color: #d0d0c8;
        }
        .faq-item details {
            display: block;
        }
        .faq-item summary {
            list-style: none;
            cursor: pointer;
            padding: 1rem 1.4rem;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-text-primary);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            transition: background-color var(--transition-base);
            user-select: none;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary:hover {
            background-color: #fafaf7;
        }
        .faq-item summary .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background-color: rgba(224, 62, 47, 0.08);
            color: var(--color-accent-red);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            font-weight: 700;
            transition: transform var(--transition-base);
        }
        .faq-item details[open] summary .faq-icon {
            transform: rotate(45deg);
        }
        .faq-item .faq-answer {
            padding: 0 1.4rem 1.2rem;
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.8;
            border-left: 3px solid var(--color-accent-red);
            margin-left: 1.4rem;
            padding-left: 0.9rem;
        }

        /* 页脚 */
        .site-footer {
            background-color: var(--color-primary-bg);
            color: rgba(255, 255, 255, 0.7);
            padding-top: 3rem;
            padding-bottom: 1.5rem;
            margin-top: 2rem;
        }
        .site-footer .container-page {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }
        @media (min-width: 768px) {
            .site-footer .container-page {
                padding-left: 2.5rem;
                padding-right: 2.5rem;
            }
        }
        @media (min-width: 1024px) {
            .site-footer .container-page {
                padding-left: 3rem;
                padding-right: 3rem;
            }
        }
        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: -0.01em;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.85rem;
            transition: color var(--transition-base);
        }
        .footer-links a:hover {
            color: var(--color-accent-red);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            margin-top: 2.5rem;
            padding-top: 1.2rem;
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            align-items: flex-start;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
        }
        @media (min-width: 768px) {
            .footer-bottom {
                flex-direction: row;
                justify-content: space-between;
                align-items: center;
            }
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.82rem;
            transition: color var(--transition-base);
        }
        .footer-bottom a:hover {
            color: var(--color-accent-red);
        }

        /* 响应式导航 */
        @media (max-width: 767px) {
            .masthead-brand a {
                font-size: 1.35rem;
            }
            .masthead-meta {
                gap: 0.6rem;
                font-size: 0.75rem;
            }
            .masthead-meta .date-display {
                font-size: 0.7rem;
            }
            .channel-nav-inner {
                display: none;
            }
            .hamburger-btn {
                display: flex;
            }
            .mobile-nav {
                display: flex;
            }
            .mobile-nav.hidden-mobile {
                display: none;
            }
            .category-header {
                padding-top: 1rem;
                padding-bottom: 1.6rem;
                margin-bottom: 1.8rem;
            }
            .category-header h1 {
                font-size: 1.55rem;
            }
            .section-title {
                font-size: 1.25rem;
            }
            .section-block-alt {
                padding: 1.8rem 1.2rem;
                margin-bottom: 1.8rem;
            }
            .cta-block {
                padding: 2rem 1.5rem;
            }
        }
        @media (min-width: 768px) {
            .mobile-nav {
                display: none;
            }
        }

        /* 查看更多 */
        .view-more-wrap {
            text-align: center;
            margin-top: 1.8rem;
        }
        .btn-outline-view {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.45rem;
            background-color: transparent;
            color: var(--color-accent-red);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 0.7rem 1.8rem;
            border-radius: 8px;
            border: 1px solid rgba(224, 62, 47, 0.4);
            transition: background-color var(--transition-base), color var(--transition-base), border-color var(--transition-base);
            white-space: nowrap;
        }
        .btn-outline-view:hover {
            background-color: var(--color-accent-red);
            color: #ffffff;
            border-color: var(--color-accent-red);
        }