/* roulang page: index */
:root {
            --brand-dark: #1B2E24;
            --brand-deep: #1F2E2C;
            --bg-warm: #F7F4EF;
            --bg-light: #EFF2EA;
            --accent-acid: #B4F03D;
            --accent-acid-bright: #C5FF4E;
            --accent-orange: #E65A3B;
            --border-soft: #DDE2D2;
            --divider: #B8C4B0;
            --text-dark: #1B2E24;
            --text-soft: #4A5A4E;
            --text-light: #7A8A7E;
            --white: #FFFFFF;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 6px 16px rgba(0, 0, 0, 0.12);
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-badge: 6px;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            color: var(--text-dark);
            background: var(--bg-warm);
            line-height: 1.6;
            margin: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a:hover {
            color: var(--text-dark);
        }

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

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* Navigation - Magazine Masthead */
        .masthead {
            background: var(--white);
            border-bottom: 1px solid var(--border-soft);
            position: sticky;
            top: 0;
            z-index: 50;
            box-shadow: 0 1px 6px rgba(0, 0, 0, 0.04);
        }

        .masthead-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 0;
            gap: 16px;
            flex-wrap: nowrap;
        }

        .masthead-brand {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-shrink: 0;
        }

        .masthead-brand .brand-name {
            font-size: 32px;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: var(--brand-dark);
            line-height: 1.2;
            white-space: nowrap;
        }

        .masthead-brand .brand-name span {
            color: var(--accent-orange);
            font-size: 28px;
        }

        .masthead-divider {
            width: 1px;
            height: 36px;
            background: var(--divider);
            flex-shrink: 0;
        }

        .masthead-nav {
            display: flex;
            align-items: center;
            gap: 20px;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.3px;
            white-space: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .masthead-nav::-webkit-scrollbar {
            display: none;
        }

        .masthead-nav a {
            color: var(--text-soft);
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: color 0.2s, border-color 0.2s;
        }

        .masthead-nav a:hover,
        .masthead-nav a.active {
            color: var(--brand-dark);
            border-bottom-color: var(--accent-acid);
        }

        .masthead-nav a.active {
            color: var(--brand-dark);
            border-bottom-color: var(--accent-orange);
        }

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

        .masthead-search {
            display: flex;
            align-items: center;
            background: var(--bg-light);
            border: 1px solid var(--border-soft);
            border-radius: 8px;
            padding: 6px 12px;
            gap: 8px;
        }

        .masthead-search input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 13px;
            width: 140px;
            color: var(--text-dark);
        }

        .masthead-search svg {
            color: var(--text-light);
            flex-shrink: 0;
        }

        .nav-toggle {
            display: none;
            background: var(--brand-dark);
            border: none;
            color: var(--white);
            width: 40px;
            height: 40px;
            border-radius: 8px;
            cursor: pointer;
            flex-shrink: 0;
            align-items: center;
            justify-content: center;
            transition: background 0.2s;
        }

        .nav-toggle:hover {
            background: var(--brand-deep);
        }

        .nav-toggle svg {
            width: 20px;
            height: 20px;
        }

        @media (max-width: 1024px) {
            .masthead-brand .brand-name {
                font-size: 26px;
            }
            .masthead-nav {
                gap: 14px;
                font-size: 13px;
            }
            .masthead-search input {
                width: 100px;
            }
        }

        @media (max-width: 768px) {
            .masthead-inner {
                flex-wrap: wrap;
                padding: 12px 0;
                gap: 10px;
            }
            .masthead-brand {
                flex: 1;
                gap: 10px;
            }
            .masthead-brand .brand-name {
                font-size: 22px;
            }
            .masthead-brand .brand-name span {
                font-size: 20px;
            }
            .masthead-divider {
                height: 24px;
            }
            .masthead-right {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .masthead-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                gap: 0;
                padding: 8px 0;
                border-top: 1px solid var(--border-soft);
                margin-top: 4px;
            }
            .masthead-nav.open {
                display: flex;
            }
            .masthead-nav a {
                padding: 10px 0;
                width: 100%;
                border-bottom: 1px solid var(--border-soft);
                font-size: 15px;
            }
            .masthead-nav a:last-child {
                border-bottom: none;
            }
            .masthead-nav a.active {
                border-bottom-color: var(--accent-orange);
            }
            .nav-toggle {
                display: flex;
            }
        }

        /* Hero */
        .hero {
            background: var(--brand-dark);
            color: var(--white);
            position: relative;
            overflow: hidden;
            min-height: 520px;
            display: flex;
            align-items: center;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
        }

        .hero-bg img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.25;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            z-index: 1;
            background: linear-gradient(135deg, rgba(27, 46, 36, 0.88) 0%, rgba(27, 46, 36, 0.6) 55%, rgba(230, 90, 59, 0.3) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            padding: 64px 0;
            max-width: 680px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent-acid);
            color: var(--brand-dark);
            font-size: 13px;
            font-weight: 700;
            padding: 6px 14px;
            border-radius: 6px;
            letter-spacing: 0.5px;
            margin-bottom: 20px;
        }

        .hero-badge .dot {
            width: 8px;
            height: 8px;
            background: var(--accent-orange);
            border-radius: 50%;
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.4;
            }
        }

        .hero h1 {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.5px;
            margin-bottom: 20px;
            color: var(--white);
        }

        .hero h1 .highlight {
            color: var(--accent-acid);
            border-bottom: 3px solid var(--accent-orange);
            padding-bottom: 2px;
        }

        .hero-desc {
            font-size: 17px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 28px;
            max-width: 560px;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 32px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: 8px;
            font-size: 15px;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.25s ease;
            border: none;
            letter-spacing: 0.3px;
            text-decoration: none;
        }

        .btn-primary {
            background: var(--accent-acid);
            color: var(--brand-dark);
        }

        .btn-primary:hover {
            background: var(--accent-acid-bright);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(180, 240, 61, 0.3);
        }

        .btn-secondary {
            background: transparent;
            color: var(--white);
            border: 2px solid rgba(255, 255, 255, 0.4);
        }

        .btn-secondary:hover {
            border-color: var(--accent-acid);
            color: var(--accent-acid);
            transform: translateY(-2px);
        }

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

        .btn:active {
            transform: scale(0.98);
        }

        .hero-stats {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
        }

        .hero-stat {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .hero-stat .stat-num {
            font-size: 28px;
            font-weight: 800;
            color: var(--accent-acid);
        }

        .hero-stat .stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
        }

        @media (max-width: 768px) {
            .hero {
                min-height: auto;
            }
            .hero-content {
                padding: 40px 0;
            }
            .hero h1 {
                font-size: 30px;
            }
            .hero-desc {
                font-size: 15px;
            }
            .hero-stat .stat-num {
                font-size: 22px;
            }
            .btn {
                padding: 10px 18px;
                font-size: 14px;
            }
        }

        /* Section Common */
        .section {
            padding: 72px 0;
        }

        .section-alt {
            background: var(--bg-light);
        }

        .section-header {
            margin-bottom: 40px;
        }

        .section-header .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            color: var(--accent-orange);
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        .section-header h2 {
            font-size: 30px;
            font-weight: 800;
            letter-spacing: -0.3px;
            color: var(--brand-dark);
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .section-header p {
            font-size: 16px;
            color: var(--text-soft);
            max-width: 680px;
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }
            .section-header h2 {
                font-size: 24px;
            }
        }

        /* Cards Grid */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 20px;
        }

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

        .cards-grid.three-col {
            grid-template-columns: repeat(3, 1fr);
        }

        @media (max-width: 768px) {
            .cards-grid,
            .cards-grid.two-col,
            .cards-grid.three-col {
                grid-template-columns: 1fr;
            }
        }

        .card {
            background: var(--white);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease;
        }

        .card:hover {
            border-color: var(--accent-acid);
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .card .card-icon {
            width: 48px;
            height: 48px;
            border-radius: 10px;
            background: var(--bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 14px;
            font-size: 22px;
            color: var(--brand-dark);
        }

        .card .card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--brand-dark);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .card .card-text {
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.7;
        }

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

        .news-item {
            display: flex;
            gap: 16px;
            background: var(--white);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-card);
            padding: 16px;
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease;
        }

        .news-item:hover {
            border-color: var(--accent-acid);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .news-item .news-thumb {
            flex-shrink: 0;
            width: 100px;
            height: 72px;
            border-radius: 8px;
            overflow: hidden;
            background: var(--bg-light);
        }

        .news-item .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .news-item .news-body {
            flex: 1;
        }

        .news-item .news-date {
            font-size: 12px;
            color: var(--text-light);
            margin-bottom: 4px;
            letter-spacing: 0.5px;
        }

        .news-item .news-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--brand-dark);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .news-item .news-summary {
            font-size: 13px;
            color: var(--text-soft);
            line-height: 1.6;
            margin-bottom: 8px;
        }

        .news-item .news-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-orange);
            border-bottom: 1px solid transparent;
            transition: border-color 0.2s;
        }

        .news-item .news-link:hover {
            border-bottom-color: var(--accent-orange);
        }

        @media (max-width: 640px) {
            .news-item {
                flex-direction: column;
                gap: 10px;
            }
            .news-item .news-thumb {
                width: 100%;
                height: 120px;
            }
        }

        /* Ranking List */
        .ranking-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .ranking-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--white);
            border: 1px solid var(--border-soft);
            border-radius: 8px;
            padding: 14px 18px;
            transition: all 0.3s;
        }

        .ranking-item:hover {
            border-color: var(--accent-acid);
            box-shadow: var(--shadow-sm);
        }

        .ranking-item .rank-num {
            font-size: 22px;
            font-weight: 800;
            color: var(--accent-orange);
            width: 40px;
            text-align: center;
            flex-shrink: 0;
        }

        .ranking-item .rank-info {
            flex: 1;
        }

        .ranking-item .rank-name {
            font-size: 16px;
            font-weight: 700;
            color: var(--brand-dark);
        }

        .ranking-item .rank-detail {
            font-size: 13px;
            color: var(--text-light);
        }

        .ranking-item .rank-value {
            font-size: 18px;
            font-weight: 800;
            color: var(--brand-dark);
            flex-shrink: 0;
        }

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

        .faq-item {
            background: var(--white);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: border-color 0.3s;
        }

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

        .faq-question {
            font-size: 16px;
            font-weight: 700;
            color: var(--brand-dark);
            padding: 18px 20px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            user-select: none;
        }

        .faq-question .faq-toggle {
            font-size: 22px;
            color: var(--text-light);
            transition: transform 0.3s;
            flex-shrink: 0;
        }

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

        .faq-answer {
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.7;
            padding: 0 20px 18px 20px;
            display: none;
        }

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

        /* Testimonials */
        .testimonial-card {
            background: var(--white);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            transition: all 0.3s;
        }

        .testimonial-card:hover {
            border-color: var(--accent-acid);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .testimonial-card .quote {
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-soft);
            margin-bottom: 16px;
            font-style: italic;
        }

        .testimonial-card .author {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .testimonial-card .avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
            color: var(--brand-dark);
            flex-shrink: 0;
        }

        .testimonial-card .author-info .name {
            font-size: 14px;
            font-weight: 700;
            color: var(--brand-dark);
        }

        .testimonial-card .author-info .role {
            font-size: 12px;
            color: var(--text-light);
        }

        .testimonial-card .stars {
            color: #F5A623;
            font-size: 14px;
            margin-bottom: 10px;
            letter-spacing: 2px;
        }

        /* CTA */
        .cta-section {
            background: var(--brand-dark);
            color: var(--white);
            padding: 64px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section .cta-decor {
            position: absolute;
            right: -60px;
            top: -60px;
            width: 240px;
            height: 240px;
            background: var(--accent-acid);
            opacity: 0.1;
            border-radius: 50%;
        }

        .cta-section .cta-decor.two {
            right: 180px;
            bottom: -80px;
            top: auto;
            background: var(--accent-orange);
        }

        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
        }

        .cta-content h2 {
            font-size: 30px;
            font-weight: 800;
            color: var(--white);
            margin-bottom: 16px;
        }

        .cta-content p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.7;
            margin-bottom: 24px;
        }

        /* Subscribe */
        .subscribe-section {
            background: var(--bg-light);
            padding: 56px 0;
        }

        .subscribe-box {
            background: var(--white);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-card);
            padding: 32px;
            box-shadow: var(--shadow-sm);
            max-width: 580px;
            margin: 0 auto;
        }

        .subscribe-box h3 {
            font-size: 20px;
            font-weight: 800;
            color: var(--brand-dark);
            margin-bottom: 8px;
        }

        .subscribe-box p {
            font-size: 14px;
            color: var(--text-soft);
            margin-bottom: 18px;
            line-height: 1.6;
        }

        .subscribe-form {
            display: flex;
            gap: 10px;
        }

        .subscribe-form input {
            flex: 1;
            padding: 12px 16px;
            border: 1px solid var(--border-soft);
            border-radius: 8px;
            font-size: 14px;
            outline: none;
            transition: border-color 0.2s;
            background: var(--bg-warm);
        }

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

        @media (max-width: 640px) {
            .subscribe-form {
                flex-direction: column;
            }
            .subscribe-box {
                padding: 20px;
            }
        }

        /* Method Steps */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
            counter-reset: step;
        }

        .step-card {
            background: var(--white);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-card);
            padding: 20px;
            box-shadow: var(--shadow-sm);
            position: relative;
            transition: all 0.3s;
            counter-increment: step;
        }

        .step-card:hover {
            border-color: var(--accent-acid);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .step-card .step-num {
            font-size: 36px;
            font-weight: 800;
            color: var(--accent-orange);
            margin-bottom: 8px;
            line-height: 1;
        }

        .step-card .step-num::before {
            content: counter(step, decimal-leading-zero);
        }

        .step-card .step-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--brand-dark);
            margin-bottom: 6px;
        }

        .step-card .step-text {
            font-size: 13px;
            color: var(--text-soft);
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .steps-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Brand Intro */
        .brand-intro {
            display: flex;
            gap: 32px;
            align-items: center;
            background: var(--white);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-card);
            padding: 32px;
            box-shadow: var(--shadow-sm);
        }

        .brand-intro .brand-text {
            flex: 1;
        }

        .brand-intro .brand-text h3 {
            font-size: 22px;
            font-weight: 800;
            color: var(--brand-dark);
            margin-bottom: 12px;
        }

        .brand-intro .brand-text p {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-soft);
        }

        .brand-intro .brand-image {
            flex-shrink: 0;
            width: 200px;
            height: 140px;
            border-radius: 8px;
            overflow: hidden;
            background: var(--bg-light);
        }

        .brand-intro .brand-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        @media (max-width: 768px) {
            .brand-intro {
                flex-direction: column;
                gap: 16px;
                padding: 20px;
            }
            .brand-intro .brand-image {
                width: 100%;
                height: 140px;
            }
        }

        /* Tag Cloud */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag-cloud .tag {
            padding: 6px 14px;
            border-radius: 6px;
            font-size: 13px;
            font-weight: 600;
            background: var(--bg-light);
            color: var(--text-soft);
            border: 1px solid var(--border-soft);
            transition: all 0.2s;
            cursor: pointer;
        }

        .tag-cloud .tag:hover {
            background: var(--accent-acid);
            color: var(--brand-dark);
            border-color: var(--accent-acid);
        }

        /* Data Bars */
        .data-bars {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .data-bar {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .data-bar .bar-label {
            width: 100px;
            font-size: 14px;
            font-weight: 700;
            color: var(--brand-dark);
            flex-shrink: 0;
        }

        .data-bar .bar-track {
            flex: 1;
            height: 10px;
            background: var(--bg-light);
            border-radius: 6px;
            overflow: hidden;
        }

        .data-bar .bar-fill {
            height: 100%;
            border-radius: 6px;
            background: var(--accent-acid);
            transition: width 0.6s ease;
        }

        .data-bar .bar-fill.accent {
            background: var(--accent-orange);
        }

        .data-bar .bar-value {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-dark);
            width: 50px;
            text-align: right;
            flex-shrink: 0;
        }

        @media (max-width: 520px) {
            .data-bar .bar-label {
                width: 70px;
                font-size: 12px;
            }
            .data-bar .bar-value {
                font-size: 12px;
                width: 40px;
            }
        }

        /* Footer */
        .footer {
            background: var(--brand-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 48px 0 24px;
        }

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

        .footer-brand .brand-name {
            font-size: 24px;
            font-weight: 800;
            color: var(--white);
            margin-bottom: 8px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            max-width: 280px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            transition: color 0.2s;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
        }

        .footer-bottom .copyright {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom .footer-links {
            display: flex;
            gap: 16px;
            font-size: 13px;
        }

        .footer-bottom .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            transition: color 0.2s;
        }

        .footer-bottom .footer-links a:hover {
            color: var(--accent-acid);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
        }

        /* Decorative */
        .accent-border {
            border-left: 3px solid var(--accent-acid);
            padding-left: 16px;
        }

        .badge-accent {
            display: inline-block;
            background: var(--accent-acid);
            color: var(--brand-dark);
            font-size: 12px;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 6px;
            letter-spacing: 0.3px;
        }

        .badge-orange {
            display: inline-block;
            background: var(--accent-orange);
            color: var(--white);
            font-size: 12px;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 6px;
            letter-spacing: 0.3px;
        }

        .divider-line {
            width: 48px;
            height: 3px;
            background: var(--accent-orange);
            border-radius: 2px;
            margin: 8px 0 16px;
        }

/* roulang page: category2 */
:root {
            --brand-dark: #1B2E24;
            --brand-deep: #1F2E2C;
            --bg-warm: #F7F4EF;
            --bg-light: #EFF2EA;
            --accent-acid: #B4F03D;
            --accent-acid-bright: #C5FF4E;
            --accent-orange: #E65A3B;
            --border-soft: #DDE2D2;
            --divider: #B8C4B0;
            --text-dark: #1B2E24;
            --text-soft: #4A5A4E;
            --text-light: #7A8A7E;
            --white: #FFFFFF;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 6px 16px rgba(0, 0, 0, 0.12);
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-badge: 6px;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        body {
            font-family: var(--font-sans);
            color: var(--text-dark);
            background: var(--bg-warm);
            line-height: 1.7;
            margin: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
        }
        a:hover {
            color: var(--brand-dark);
        }
        img {
            max-width: 100%;
            display: block;
        }
        button,
        input,
        textarea {
            font-family: inherit;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        section {
            padding: 72px 0;
        }
        .section-alt {
            background: var(--bg-light);
        }
        /* Navigation - Magazine Masthead */
        .masthead {
            background: var(--white);
            border-bottom: 1px solid var(--border-soft);
            position: sticky;
            top: 0;
            z-index: 50;
            box-shadow: 0 1px 6px rgba(0, 0, 0, 0.04);
        }
        .masthead-inner {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            padding: 10px 0;
        }
        .masthead-brand {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-shrink: 0;
        }
        .masthead-brand .brand-name {
            font-size: 32px;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: var(--brand-dark);
            line-height: 1.2;
            white-space: nowrap;
        }
        .masthead-brand .brand-name span {
            color: var(--accent-orange);
            font-size: 28px;
        }
        .masthead-divider {
            width: 1px;
            height: 36px;
            background: var(--divider);
            flex-shrink: 0;
        }
        .masthead-nav {
            display: flex;
            align-items: center;
            gap: 20px;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.3px;
            white-space: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            flex: 1;
            min-width: 0;
        }
        .masthead-nav::-webkit-scrollbar {
            display: none;
        }
        .masthead-nav a {
            color: var(--text-soft);
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: color 0.2s, border-color 0.2s;
        }
        .masthead-nav a:hover,
        .masthead-nav a.active {
            color: var(--brand-dark);
            border-bottom-color: var(--accent-acid);
        }
        .masthead-nav a.active {
            color: var(--brand-dark);
            border-bottom-color: var(--accent-orange);
        }
        .masthead-right {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .masthead-search {
            display: flex;
            align-items: center;
            background: var(--bg-light);
            border: 1px solid var(--border-soft);
            border-radius: 8px;
            padding: 6px 12px;
            gap: 8px;
        }
        .masthead-search input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 13px;
            width: 140px;
            color: var(--text-dark);
        }
        .masthead-search input:focus {
            border-color: var(--accent-acid);
        }
        .masthead-search svg {
            color: var(--text-light);
            flex-shrink: 0;
        }
        .nav-toggle {
            display: none;
            background: var(--brand-dark);
            border: none;
            color: var(--white);
            width: 40px;
            height: 40px;
            border-radius: 8px;
            cursor: pointer;
            flex-shrink: 0;
            align-items: center;
            justify-content: center;
            transition: background 0.2s, transform 0.2s;
        }
        .nav-toggle:hover {
            background: var(--brand-deep);
        }
        .nav-toggle:focus-visible {
            outline: 2px solid var(--accent-acid);
            outline-offset: 2px;
        }
        .nav-toggle svg {
            width: 20px;
            height: 20px;
        }
        /* Buttons */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--accent-acid);
            color: var(--brand-dark);
            border: none;
            border-radius: var(--radius-btn);
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 700;
            cursor: pointer;
            transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
            box-shadow: var(--shadow-sm);
        }
        .btn-primary:hover {
            background: var(--accent-acid-bright);
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }
        .btn-primary:active {
            transform: scale(0.98);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--accent-orange);
            outline-offset: 2px;
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--brand-dark);
            border: 1px solid var(--divider);
            border-radius: var(--radius-btn);
            padding: 11px 22px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: border-color 0.2s, background 0.2s, transform 0.15s, box-shadow 0.2s;
        }
        .btn-outline:hover {
            border-color: var(--accent-acid);
            background: rgba(180, 240, 61, 0.08);
            transform: translateY(-1px);
            box-shadow: var(--shadow-sm);
        }
        .btn-outline:active {
            transform: scale(0.98);
        }
        .btn-outline:focus-visible {
            outline: 2px solid var(--accent-acid);
            outline-offset: 2px;
        }
        .btn-text {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            color: var(--brand-dark);
            font-size: 14px;
            font-weight: 600;
            border-bottom: 1px solid transparent;
            padding-bottom: 2px;
            transition: border-color 0.2s, color 0.2s;
        }
        .btn-text:hover {
            border-bottom-color: var(--accent-orange);
            color: var(--accent-orange);
        }
        /* Badge */
        .badge {
            display: inline-block;
            background: var(--accent-acid);
            color: var(--brand-dark);
            font-size: 12px;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: var(--radius-badge);
            letter-spacing: 0.3px;
            line-height: 1.4;
        }
        .badge-orange {
            background: var(--accent-orange);
            color: var(--white);
        }
        .badge-outline {
            background: transparent;
            border: 1px solid var(--divider);
            color: var(--text-soft);
            font-weight: 500;
        }
        /* Cards */
        .card {
            background: var(--white);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-card);
            padding: 20px 24px;
            box-shadow: var(--shadow-sm);
            transition: border-color 0.2s, box-shadow 0.25s, transform 0.25s;
        }
        .card:hover {
            border-color: var(--accent-acid);
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .card-flat {
            box-shadow: none;
            border: 1px solid var(--border-soft);
        }
        .card-flat:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        /* Section titles */
        .section-title {
            font-size: 28px;
            font-weight: 800;
            color: var(--brand-dark);
            letter-spacing: -0.3px;
            margin-bottom: 16px;
            line-height: 1.3;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-soft);
            margin-bottom: 32px;
            max-width: 680px;
            line-height: 1.7;
        }
        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 1px;
            color: var(--accent-orange);
            text-transform: uppercase;
            margin-bottom: 8px;
        }
        /* Divider */
        .divider-line {
            height: 1px;
            background: var(--border-soft);
            margin: 0;
            border: none;
        }
        /* Article list */
        .article-card {
            display: flex;
            flex-direction: column;
            background: var(--white);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: border-color 0.2s, box-shadow 0.25s, transform 0.25s;
        }
        .article-card:hover {
            border-color: var(--accent-acid);
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .article-card .article-image {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            background: var(--bg-light);
        }
        .article-card .article-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .article-card .article-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 12px;
            color: var(--text-light);
            margin-bottom: 8px;
        }
        .article-card .article-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--brand-dark);
            line-height: 1.4;
            margin-bottom: 8px;
        }
        .article-card .article-summary {
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.7;
            margin-bottom: 14px;
            flex: 1;
        }
        /* Tech cards */
        .tech-card {
            background: var(--white);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-card);
            padding: 22px;
            box-shadow: var(--shadow-sm);
            transition: border-color 0.2s, box-shadow 0.25s, transform 0.25s;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .tech-card:hover {
            border-color: var(--accent-acid);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .tech-card .tech-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: var(--bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            font-weight: 800;
            color: var(--brand-dark);
            flex-shrink: 0;
        }
        .tech-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--brand-dark);
            margin: 0;
        }
        .tech-card p {
            font-size: 14px;
            color: var(--text-soft);
            margin: 0;
            line-height: 1.7;
        }
        /* Subscribe CTA */
        .subscribe-cta {
            background: var(--brand-dark);
            border-radius: var(--radius-card);
            padding: 40px 36px;
            color: var(--white);
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            align-items: center;
            justify-content: space-between;
        }
        .subscribe-cta h3 {
            font-size: 22px;
            font-weight: 800;
            color: var(--white);
            margin: 0 0 6px;
        }
        .subscribe-cta p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 14px;
            margin: 0;
            max-width: 480px;
        }
        .subscribe-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            align-items: center;
        }
        .subscribe-form input {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: var(--radius-btn);
            padding: 10px 16px;
            color: var(--white);
            font-size: 14px;
            min-width: 240px;
            outline: none;
            transition: border-color 0.2s;
        }
        .subscribe-form input::placeholder {
            color: rgba(255, 255, 255, 0.55);
        }
        .subscribe-form input:focus {
            border-color: var(--accent-acid);
        }
        .subscribe-form .btn-primary {
            background: var(--accent-acid);
            color: var(--brand-dark);
            border: none;
        }
        /* Footer */
        .footer {
            background: var(--brand-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 48px 0 24px;
            margin-top: 40px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand .brand-name {
            font-size: 26px;
            font-weight: 800;
            color: var(--white);
            margin-bottom: 8px;
        }
        .footer-brand p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.7;
            max-width: 300px;
            margin: 0;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--white);
            margin: 0 0 12px;
            letter-spacing: 0.5px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            transition: color 0.2s;
        }
        .footer-col ul li a:hover {
            color: var(--accent-acid);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding-top: 16px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }
        .footer-bottom .copyright {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-links {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            transition: color 0.2s;
        }
        .footer-links a:hover {
            color: var(--accent-acid);
        }
        .footer-links span {
            color: rgba(255, 255, 255, 0.3);
        }
        /* Page header / breadcrumb */
        .page-header {
            padding: 48px 0 24px;
            border-bottom: 1px solid var(--border-soft);
            background: var(--white);
        }
        .breadcrumb {
            font-size: 13px;
            color: var(--text-light);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-soft);
            transition: color 0.2s;
        }
        .breadcrumb a:hover {
            color: var(--accent-orange);
        }
        .breadcrumb .sep {
            color: var(--divider);
        }
        .page-header h1 {
            font-size: 34px;
            font-weight: 800;
            color: var(--brand-dark);
            letter-spacing: -0.5px;
            margin: 0 0 12px;
            line-height: 1.25;
        }
        .page-header .page-intro {
            font-size: 16px;
            color: var(--text-soft);
            max-width: 760px;
            line-height: 1.7;
            margin: 0;
        }
        /* Rank list for this page */
        .analysis-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .see-more-wrapper {
            text-align: center;
            padding: 24px 0 8px;
        }
        /* Tech diagram */
        .tech-diagram {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            align-items: center;
            background: var(--brand-dark);
            border-radius: var(--radius-card);
            padding: 32px;
            color: var(--white);
        }
        .tech-diagram .diagram-image {
            border-radius: 8px;
            overflow: hidden;
            aspect-ratio: 16/10;
            object-fit: cover;
            width: 100%;
        }
        .tech-diagram .diagram-caption {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 8px;
        }
        .tech-diagram h3 {
            font-size: 22px;
            font-weight: 800;
            color: var(--white);
            margin: 0 0 10px;
        }
        .tech-diagram p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.7;
            margin: 0 0 12px;
        }
        .tech-diagram .key-points {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .tech-diagram .key-points li {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.85);
            display: flex;
            align-items: flex-start;
            gap: 8px;
            line-height: 1.6;
        }
        .tech-diagram .key-points li::before {
            content: '';
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent-acid);
            margin-top: 8px;
            flex-shrink: 0;
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .masthead-inner {
                gap: 12px;
            }
            .masthead-brand .brand-name {
                font-size: 26px;
            }
            .masthead-brand .brand-name span {
                font-size: 24px;
            }
            .masthead-nav {
                gap: 14px;
                font-size: 13px;
            }
            .masthead-search input {
                width: 100px;
            }
            .analysis-grid {
                grid-template-columns: 1fr 1fr;
            }
            .tech-diagram {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 768px) {
            section {
                padding: 48px 0;
            }
            .container {
                padding: 0 16px;
            }
            .masthead-inner {
                gap: 8px;
                padding: 8px 0;
            }
            .masthead-brand {
                flex: 1;
                gap: 10px;
            }
            .masthead-brand .brand-name {
                font-size: 22px;
            }
            .masthead-brand .brand-name span {
                font-size: 20px;
            }
            .masthead-divider {
                height: 24px;
            }
            .masthead-search {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .masthead-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                gap: 0;
                padding: 8px 0;
                border-top: 1px solid var(--border-soft);
                margin-top: 4px;
                order: 10;
            }
            .masthead-nav.open {
                display: flex;
            }
            .masthead-nav a {
                padding: 10px 0;
                width: 100%;
                border-bottom: 1px solid var(--border-soft);
                font-size: 15px;
                border-bottom: none;
            }
            .masthead-nav a {
                border-bottom: 1px solid var(--border-soft);
            }
            .masthead-nav a:last-child {
                border-bottom: none;
            }
            .masthead-nav a.active {
                border-bottom-color: var(--accent-orange);
            }
            .page-header h1 {
                font-size: 26px;
            }
            .section-title {
                font-size: 22px;
            }
            .analysis-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .subscribe-cta {
                padding: 28px 22px;
                flex-direction: column;
                align-items: flex-start;
            }
            .subscribe-form {
                width: 100%;
            }
            .subscribe-form input {
                min-width: 100%;
                flex: 1;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }
        @media (max-width: 520px) {
            .page-header h1 {
                font-size: 22px;
            }
            .section-title {
                font-size: 20px;
            }
            .btn-primary,
            .btn-outline {
                width: 100%;
                justify-content: center;
            }
            .tech-card {
                padding: 16px;
            }
            .article-card .article-title {
                font-size: 15px;
            }
            .article-card .article-summary {
                font-size: 13px;
            }
            .subscribe-form input {
                min-width: 100%;
            }
            .subscribe-form .btn-primary {
                width: 100%;
            }
        }

/* roulang page: category3 */
:root {
            --brand-dark: #1B2E24;
            --brand-deep: #1F2E2C;
            --bg-warm: #F7F4EF;
            --bg-light: #EFF2EA;
            --accent-acid: #B4F03D;
            --accent-acid-bright: #C5FF4E;
            --accent-orange: #E65A3B;
            --border-soft: #DDE2D2;
            --divider: #B8C4B0;
            --text-dark: #1B2E24;
            --text-soft: #4A5A4E;
            --text-light: #7A8A7E;
            --white: #FFFFFF;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 6px 16px rgba(0, 0, 0, 0.12);
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-badge: 6px;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            color: var(--text-dark);
            background: var(--bg-warm);
            line-height: 1.7;
            margin: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a:hover {
            color: var(--text-dark);
        }

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

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 640px) {
            .container {
                padding: 0 16px;
            }
        }

        /* Navigation - Magazine Masthead */
        .masthead {
            background: var(--white);
            border-bottom: 1px solid var(--border-soft);
            position: sticky;
            top: 0;
            z-index: 50;
            box-shadow: 0 1px 6px rgba(0, 0, 0, 0.04);
        }

        .masthead-inner {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 12px 0;
            flex-wrap: wrap;
        }

        .masthead-brand {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-shrink: 0;
        }

        .masthead-brand .brand-name {
            font-size: 32px;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: var(--brand-dark);
            line-height: 1.2;
            white-space: nowrap;
        }

        .masthead-brand .brand-name span {
            color: var(--accent-orange);
            font-size: 28px;
        }

        .masthead-divider {
            width: 1px;
            height: 36px;
            background: var(--divider);
            flex-shrink: 0;
        }

        .masthead-nav {
            display: flex;
            align-items: center;
            gap: 20px;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.3px;
            white-space: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            flex: 1;
        }

        .masthead-nav::-webkit-scrollbar {
            display: none;
        }

        .masthead-nav a {
            color: var(--text-soft);
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: color 0.2s, border-color 0.2s;
            white-space: nowrap;
        }

        .masthead-nav a:hover,
        .masthead-nav a.active {
            color: var(--brand-dark);
            border-bottom-color: var(--accent-acid);
        }

        .masthead-nav a.active {
            color: var(--brand-dark);
            border-bottom-color: var(--accent-orange);
        }

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

        .masthead-search {
            display: flex;
            align-items: center;
            background: var(--bg-light);
            border: 1px solid var(--border-soft);
            border-radius: 8px;
            padding: 6px 12px;
            gap: 8px;
        }

        .masthead-search input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 13px;
            width: 140px;
            color: var(--text-dark);
        }

        .masthead-search svg {
            color: var(--text-light);
            flex-shrink: 0;
        }

        .nav-toggle {
            display: none;
            background: var(--brand-dark);
            border: none;
            color: var(--white);
            width: 40px;
            height: 40px;
            border-radius: 8px;
            cursor: pointer;
            flex-shrink: 0;
            align-items: center;
            justify-content: center;
            transition: background 0.2s;
        }

        .nav-toggle:hover {
            background: var(--brand-deep);
        }

        .nav-toggle svg {
            width: 20px;
            height: 20px;
        }

        @media (max-width: 1024px) {
            .masthead-brand .brand-name {
                font-size: 26px;
            }

            .masthead-nav {
                gap: 14px;
                font-size: 13px;
            }

            .masthead-search input {
                width: 100px;
            }
        }

        @media (max-width: 768px) {
            .masthead-brand {
                flex: 1;
                gap: 10px;
            }

            .masthead-brand .brand-name {
                font-size: 22px;
            }

            .masthead-brand .brand-name span {
                font-size: 20px;
            }

            .masthead-divider {
                height: 24px;
            }

            .nav-toggle {
                display: flex;
            }

            .masthead-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                gap: 0;
                padding: 8px 0;
                border-top: 1px solid var(--border-soft);
                margin-top: 4px;
            }

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

            .masthead-nav a {
                padding: 10px 0;
                width: 100%;
                border-bottom: 1px solid var(--border-soft);
                font-size: 15px;
            }

            .masthead-nav a:last-child {
                border-bottom: none;
            }

            .masthead-nav a.active {
                border-bottom-color: var(--accent-orange);
            }

            .masthead-search {
                display: none;
            }
        }

        /* Page Header Section */
        .page-header {
            background: var(--white);
            border-bottom: 1px solid var(--border-soft);
            padding: 48px 0 40px;
        }

        .page-header .breadcrumb {
            font-size: 13px;
            color: var(--text-light);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .page-header .breadcrumb a {
            color: var(--text-light);
            transition: color 0.2s;
        }

        .page-header .breadcrumb a:hover {
            color: var(--brand-dark);
        }

        .page-header .breadcrumb .sep {
            color: var(--divider);
        }

        .page-header h1 {
            font-size: 38px;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: var(--brand-dark);
            line-height: 1.3;
            margin: 0 0 16px 0;
        }

        .page-header .subtitle {
            font-size: 17px;
            color: var(--text-soft);
            line-height: 1.8;
            max-width: 780px;
            margin: 0;
        }

        @media (max-width: 768px) {
            .page-header {
                padding: 32px 0 28px;
            }

            .page-header h1 {
                font-size: 28px;
            }

            .page-header .subtitle {
                font-size: 15px;
            }
        }

        /* Ranking List Section */
        .ranking-section {
            background: var(--bg-warm);
            padding: 56px 0 64px;
        }

        .section-head {
            margin-bottom: 32px;
        }

        .section-head h2 {
            font-size: 28px;
            font-weight: 800;
            color: var(--brand-dark);
            letter-spacing: -0.3px;
            margin: 0 0 8px 0;
            line-height: 1.4;
        }

        .section-head .section-line {
            width: 56px;
            height: 4px;
            background: var(--accent-acid);
            border-radius: 2px;
            margin-top: 4px;
        }

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

        .rank-card {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--white);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-card);
            padding: 20px 24px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
            cursor: pointer;
        }

        .rank-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            border-color: var(--accent-acid);
        }

        .rank-number {
            font-size: 32px;
            font-weight: 900;
            color: var(--accent-orange);
            line-height: 1;
            min-width: 48px;
            text-align: center;
        }

        .rank-number.top1 {
            color: var(--accent-orange);
            font-size: 36px;
        }

        .rank-number.top2 {
            color: #D9772B;
        }

        .rank-number.top3 {
            color: #B8860B;
        }

        .rank-img {
            width: 72px;
            height: 72px;
            border-radius: 10px;
            overflow: hidden;
            flex-shrink: 0;
            background: var(--bg-light);
        }

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

        .rank-body {
            flex: 1;
            min-width: 0;
        }

        .rank-body h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-dark);
            margin: 0 0 4px 0;
            line-height: 1.4;
        }

        .rank-body .meta {
            font-size: 13px;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: 8px;
        }

        .rank-body .meta .tag {
            font-size: 12px;
            background: var(--bg-light);
            color: var(--text-soft);
            border-radius: var(--radius-badge);
            padding: 2px 10px;
            border: 1px solid var(--border-soft);
        }

        .rank-body .desc {
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.6;
            margin: 0 0 8px 0;
        }

        .rank-body .read-more {
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-dark);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            border-bottom: 1px solid transparent;
            transition: border-color 0.2s, color 0.2s;
        }

        .rank-body .read-more:hover {
            border-bottom-color: var(--accent-orange);
            color: var(--accent-orange);
        }

        .rank-speed {
            text-align: right;
            flex-shrink: 0;
        }

        .rank-speed .speed-value {
            font-size: 28px;
            font-weight: 900;
            color: var(--brand-dark);
            line-height: 1;
        }

        .rank-speed .speed-unit {
            font-size: 13px;
            color: var(--text-light);
        }

        .rank-speed .speed-bar {
            width: 80px;
            height: 6px;
            background: var(--bg-light);
            border-radius: 3px;
            margin-top: 8px;
            overflow: hidden;
        }

        .rank-speed .speed-bar .bar-fill {
            height: 100%;
            border-radius: 3px;
            background: var(--accent-acid);
            transition: width 0.3s ease;
        }

        @media (max-width: 768px) {
            .rank-card {
                flex-wrap: wrap;
                padding: 16px;
                gap: 14px;
            }

            .rank-number {
                font-size: 26px;
                min-width: 36px;
            }

            .rank-img {
                width: 56px;
                height: 56px;
            }

            .rank-body h3 {
                font-size: 16px;
            }

            .rank-speed {
                text-align: left;
                width: 100%;
                display: flex;
                align-items: center;
                gap: 16px;
                border-top: 1px solid var(--border-soft);
                padding-top: 12px;
                margin-top: 4px;
            }

            .rank-speed .speed-value {
                font-size: 22px;
            }

            .rank-speed .speed-bar {
                flex: 1;
                width: auto;
                margin-top: 0;
            }
        }

        /* Chart Summary Section */
        .chart-section {
            background: var(--brand-dark);
            padding: 64px 0;
            color: var(--white);
        }

        .chart-section .container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .chart-section .chart-text h2 {
            font-size: 28px;
            font-weight: 800;
            letter-spacing: -0.3px;
            color: var(--white);
            margin: 0 0 16px 0;
            line-height: 1.4;
        }

        .chart-section .chart-text p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.8;
            margin: 0 0 24px 0;
        }

        .chart-bars {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .chart-bar-item {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .chart-bar-item .label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.85);
            min-width: 100px;
            flex-shrink: 0;
        }

        .chart-bar-item .bar-track {
            flex: 1;
            height: 10px;
            background: rgba(255, 255, 255, 0.15);
            border-radius: 5px;
            overflow: hidden;
        }

        .chart-bar-item .bar-track .fill {
            height: 100%;
            border-radius: 5px;
            background: var(--accent-acid);
            transition: width 0.4s ease;
        }

        .chart-bar-item .value {
            font-size: 14px;
            font-weight: 700;
            color: var(--white);
            min-width: 56px;
            text-align: right;
            flex-shrink: 0;
        }

        .chart-visual {
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-card);
            padding: 28px;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .chart-visual .big-number {
            font-size: 64px;
            font-weight: 900;
            color: var(--accent-acid);
            line-height: 1;
            margin-bottom: 8px;
        }

        .chart-visual .big-label {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.7);
        }

        .chart-visual .mini-stats {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin-top: 24px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }

        .chart-visual .mini-stat .num {
            font-size: 24px;
            font-weight: 800;
            color: var(--white);
        }

        .chart-visual .mini-stat .lbl {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.6);
        }

        @media (max-width: 768px) {
            .chart-section {
                padding: 48px 0;
            }

            .chart-section .container {
                grid-template-columns: 1fr;
                gap: 32px;
            }

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

            .chart-visual .big-number {
                font-size: 48px;
            }
        }

        /* Data Notes / Tags Section */
        .data-notes-section {
            background: var(--bg-light);
            padding: 56px 0;
        }

        .data-notes-section .notes-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }

        .data-notes-section .note-block h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--brand-dark);
            margin: 0 0 12px 0;
        }

        .data-notes-section .note-block p {
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.7;
            margin: 0;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 16px;
        }

        .tag-cloud .tag-item {
            font-size: 13px;
            background: var(--white);
            color: var(--text-soft);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-badge);
            padding: 6px 14px;
            transition: border-color 0.2s, color 0.2s;
            cursor: default;
        }

        .tag-cloud .tag-item:hover {
            border-color: var(--accent-acid);
            color: var(--brand-dark);
        }

        @media (max-width: 768px) {
            .data-notes-section .notes-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        /* More Button Section */
        .more-section {
            background: var(--bg-warm);
            padding: 48px 0;
            text-align: center;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            border: 2px solid var(--brand-dark);
            color: var(--brand-dark);
            font-size: 15px;
            font-weight: 700;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            cursor: pointer;
            transition: background 0.25s, color 0.25s, border-color 0.25s;
        }

        .btn-outline:hover {
            background: var(--brand-dark);
            color: var(--accent-acid);
            border-color: var(--brand-dark);
        }

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

        .btn-outline:active {
            transform: scale(0.98);
        }

        /* CTA Subscribe Section */
        .cta-section {
            background: var(--brand-deep);
            padding: 72px 0;
            color: var(--white);
        }

        .cta-section .cta-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .cta-section h2 {
            font-size: 32px;
            font-weight: 800;
            letter-spacing: -0.4px;
            color: var(--white);
            margin: 0 0 16px 0;
            line-height: 1.4;
        }

        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.78);
            line-height: 1.8;
            margin: 0;
        }

        .cta-form {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-card);
            padding: 28px;
        }

        .cta-form .form-group {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .cta-form input[type="email"] {
            flex: 1;
            min-width: 200px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-btn);
            padding: 12px 16px;
            font-size: 15px;
            color: var(--white);
            outline: none;
            transition: border-color 0.2s;
        }

        .cta-form input[type="email"]::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

        .cta-form input[type="email"]:focus {
            border-color: var(--accent-acid);
        }

        .btn-primary {
            background: var(--accent-acid);
            color: var(--brand-dark);
            font-size: 15px;
            font-weight: 700;
            padding: 12px 28px;
            border: none;
            border-radius: var(--radius-btn);
            cursor: pointer;
            white-space: nowrap;
            transition: background 0.25s, transform 0.2s;
        }

        .btn-primary:hover {
            background: var(--accent-acid-bright);
        }

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

        .btn-primary:active {
            transform: scale(0.98);
        }

        .cta-form .form-note {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.5);
            margin-top: 12px;
            text-align: left;
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 48px 0;
            }

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

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

            .cta-form .form-group {
                flex-direction: column;
            }

            .btn-primary {
                width: 100%;
            }
        }

        /* Footer */
        .footer {
            background: var(--brand-dark);
            padding: 56px 0 24px;
            color: rgba(255, 255, 255, 0.75);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand .brand-name {
            font-size: 28px;
            font-weight: 800;
            color: var(--white);
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }

        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.62);
            line-height: 1.7;
            margin: 0;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--white);
            margin: 0 0 14px 0;
            letter-spacing: 0.3px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.62);
            transition: color 0.2s;
        }

        .footer-col ul li a:hover {
            color: var(--accent-acid);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }

        .footer-bottom .copyright {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom .footer-links {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
        }

        .footer-bottom .footer-links a {
            color: rgba(255, 255, 255, 0.62);
            transition: color 0.2s;
        }

        .footer-bottom .footer-links a:hover {
            color: var(--accent-acid);
        }

        .footer-bottom .footer-links span {
            color: rgba(255, 255, 255, 0.3);
        }

        @media (max-width: 992px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

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

/* roulang page: category1 */
:root {
            --brand-dark: #1B2E24;
            --brand-deep: #1F2E2C;
            --bg-warm: #F7F4EF;
            --bg-light: #EFF2EA;
            --accent-acid: #B4F03D;
            --accent-acid-bright: #C5FF4E;
            --accent-orange: #E65A3B;
            --border-soft: #DDE2D2;
            --divider: #B8C4B0;
            --text-dark: #1B2E24;
            --text-soft: #4A5A4E;
            --text-light: #7A8A7E;
            --white: #FFFFFF;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 6px 16px rgba(0, 0, 0, 0.12);
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-badge: 6px;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            color: var(--text-dark);
            background: var(--bg-warm);
            line-height: 1.7;
            margin: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a:hover {
            color: var(--text-dark);
        }

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

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Navigation - Magazine Masthead */
        .masthead {
            background: var(--white);
            border-bottom: 1px solid var(--border-soft);
            position: sticky;
            top: 0;
            z-index: 50;
            box-shadow: 0 1px 6px rgba(0, 0, 0, 0.04);
        }

        .masthead-inner {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 12px 0;
            flex-wrap: wrap;
        }

        .masthead-brand {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-shrink: 0;
        }

        .masthead-brand .brand-name {
            font-size: 32px;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: var(--brand-dark);
            line-height: 1.2;
            white-space: nowrap;
        }

        .masthead-brand .brand-name span {
            color: var(--accent-orange);
            font-size: 28px;
        }

        .masthead-divider {
            width: 1px;
            height: 36px;
            background: var(--divider);
            flex-shrink: 0;
        }

        .masthead-nav {
            display: flex;
            align-items: center;
            gap: 20px;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.3px;
            white-space: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .masthead-nav::-webkit-scrollbar {
            display: none;
        }

        .masthead-nav a {
            color: var(--text-soft);
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: color 0.2s, border-color 0.2s;
        }

        .masthead-nav a:hover,
        .masthead-nav a.active {
            color: var(--brand-dark);
            border-bottom-color: var(--accent-acid);
        }

        .masthead-nav a.active {
            color: var(--brand-dark);
            border-bottom-color: var(--accent-orange);
        }

        .masthead-right {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-left: auto;
        }

        .masthead-search {
            display: flex;
            align-items: center;
            background: var(--bg-light);
            border: 1px solid var(--border-soft);
            border-radius: 8px;
            padding: 6px 12px;
            gap: 8px;
        }

        .masthead-search input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 13px;
            width: 140px;
            color: var(--text-dark);
        }

        .masthead-search svg {
            color: var(--text-light);
            flex-shrink: 0;
        }

        .nav-toggle {
            display: none;
            background: var(--brand-dark);
            border: none;
            color: var(--white);
            width: 40px;
            height: 40px;
            border-radius: 8px;
            cursor: pointer;
            flex-shrink: 0;
            align-items: center;
            justify-content: center;
            transition: background 0.2s;
        }

        .nav-toggle:hover {
            background: var(--brand-deep);
        }

        .nav-toggle svg {
            width: 20px;
            height: 20px;
        }

        /* Page Header */
        .page-header {
            background: var(--brand-dark);
            padding: 48px 0 40px;
            color: var(--white);
            position: relative;
            overflow: hidden;
        }

        .page-header::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 320px;
            height: 100%;
            background: var(--accent-acid);
            opacity: 0.08;
            clip-path: polygon(30% 0, 100% 0, 100% 100%, 0 100%);
        }

        .page-header .container {
            position: relative;
            z-index: 1;
        }

        .page-header h1 {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.3;
            margin: 0 0 12px;
            letter-spacing: -0.3px;
        }

        .page-header .subtitle {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 720px;
            line-height: 1.7;
            margin: 0;
        }

        .page-header .accent-line {
            width: 56px;
            height: 4px;
            background: var(--accent-acid);
            border-radius: 2px;
            margin-bottom: 16px;
        }

        /* Section */
        .section {
            padding: 56px 0;
        }

        .section-alt {
            background: var(--bg-light);
        }

        .section-title {
            font-size: 26px;
            font-weight: 800;
            letter-spacing: -0.3px;
            color: var(--brand-dark);
            margin: 0 0 8px;
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--text-soft);
            margin: 0 0 32px;
            line-height: 1.6;
        }

        /* Event Cards */
        .event-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 24px;
        }

        .event-card {
            background: var(--white);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
        }

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

        .event-card .card-image {
            height: 180px;
            overflow: hidden;
            position: relative;
        }

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

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

        .event-card .card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--accent-acid);
            color: var(--brand-dark);
            font-size: 12px;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: var(--radius-badge);
            letter-spacing: 0.3px;
        }

        .event-card .card-body {
            padding: 20px;
        }

        .event-card .card-date {
            font-size: 13px;
            color: var(--text-light);
            font-weight: 500;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .event-card .card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--brand-dark);
            margin: 0 0 8px;
            line-height: 1.4;
        }

        .event-card .card-excerpt {
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.6;
            margin: 0 0 16px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .event-card .card-link {
            font-size: 13px;
            font-weight: 700;
            color: var(--brand-dark);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            border-bottom: 2px solid var(--accent-acid);
            padding-bottom: 2px;
            transition: color 0.2s, border-color 0.2s;
        }

        .event-card .card-link:hover {
            color: var(--accent-orange);
            border-bottom-color: var(--accent-orange);
        }

        .event-card .card-link svg {
            width: 14px;
            height: 14px;
            transition: transform 0.2s;
        }

        .event-card:hover .card-link svg {
            transform: translateX(3px);
        }

        /* Calendar */
        .calendar-wrapper {
            background: var(--white);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-card);
            padding: 28px;
            box-shadow: var(--shadow-sm);
        }

        .calendar-grid {
            display: grid;
            grid-template-columns: repeat(7, 1fr);
            gap: 8px;
            margin-top: 16px;
        }

        .calendar-day {
            background: var(--bg-light);
            border: 1px solid var(--border-soft);
            border-radius: 8px;
            padding: 12px 8px;
            text-align: center;
            min-height: 72px;
            transition: border-color 0.2s, background 0.2s;
        }

        .calendar-day:hover {
            border-color: var(--accent-acid);
            background: var(--white);
        }

        .calendar-day .day-num {
            font-size: 16px;
            font-weight: 700;
            color: var(--brand-dark);
            line-height: 1.2;
        }

        .calendar-day .day-label {
            font-size: 11px;
            color: var(--text-light);
            margin-top: 2px;
        }

        .calendar-day.has-event {
            border-color: var(--accent-orange);
            position: relative;
        }

        .calendar-day.has-event::after {
            content: '';
            position: absolute;
            bottom: 6px;
            left: 50%;
            transform: translateX(-50%);
            width: 5px;
            height: 5px;
            background: var(--accent-orange);
            border-radius: 50%;
        }

        .calendar-weekdays {
            display: grid;
            grid-template-columns: repeat(7, 1fr);
            gap: 8px;
            font-size: 12px;
            font-weight: 600;
            color: var(--text-light);
            text-align: center;
        }

        /* Tag Cloud */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .tag-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--white);
            border: 1px solid var(--border-soft);
            border-radius: 999px;
            padding: 8px 18px;
            font-size: 13px;
            font-weight: 600;
            color: var(--text-soft);
            transition: all 0.2s ease;
            cursor: default;
        }

        .tag-chip:hover {
            border-color: var(--accent-acid);
            background: var(--accent-acid);
            color: var(--brand-dark);
            box-shadow: var(--shadow-sm);
        }

        .tag-chip .tag-count {
            font-size: 11px;
            color: var(--text-light);
            font-weight: 500;
        }

        .tag-chip:hover .tag-count {
            color: var(--brand-dark);
        }

        /* View More */
        .view-more-section {
            text-align: center;
            padding: 20px 0 48px;
        }

        .btn-view-more {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--brand-dark);
            color: var(--white);
            font-size: 15px;
            font-weight: 700;
            padding: 14px 36px;
            border-radius: var(--radius-btn);
            border: 2px solid var(--brand-dark);
            transition: all 0.25s ease;
            cursor: pointer;
        }

        .btn-view-more:hover {
            background: var(--accent-acid);
            color: var(--brand-dark);
            border-color: var(--accent-acid);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .btn-view-more:active {
            transform: scale(0.98);
            box-shadow: var(--shadow-sm);
        }

        .btn-view-more svg {
            width: 16px;
            height: 16px;
        }

        /* CTA Section */
        .cta-section {
            background: var(--brand-dark);
            padding: 64px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 240px;
            height: 240px;
            background: var(--accent-acid);
            opacity: 0.1;
            border-radius: 50%;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 160px;
            height: 160px;
            background: var(--accent-orange);
            opacity: 0.08;
            border-radius: 50%;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            flex-wrap: wrap;
        }

        .cta-content h2 {
            font-size: 26px;
            font-weight: 800;
            color: var(--white);
            margin: 0 0 8px;
            letter-spacing: -0.3px;
        }

        .cta-content p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.7);
            margin: 0;
            max-width: 480px;
            line-height: 1.6;
        }

        .cta-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            min-width: 300px;
        }

        .cta-form input {
            flex: 1;
            min-width: 200px;
            padding: 12px 18px;
            border-radius: var(--radius-btn);
            border: 1px solid rgba(255, 255, 255, 0.25);
            background: rgba(255, 255, 255, 0.08);
            color: var(--white);
            font-size: 14px;
            outline: none;
            transition: border-color 0.25s, background 0.25s;
        }

        .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

        .cta-form input:focus {
            border-color: var(--accent-acid);
            background: rgba(255, 255, 255, 0.12);
        }

        .cta-form button {
            padding: 12px 28px;
            background: var(--accent-acid);
            color: var(--brand-dark);
            font-size: 14px;
            font-weight: 700;
            border: none;
            border-radius: var(--radius-btn);
            cursor: pointer;
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .cta-form button:hover {
            background: var(--accent-acid-bright);
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

        .cta-form button:active {
            transform: scale(0.98);
            box-shadow: var(--shadow-sm);
        }

        /* Footer */
        .footer {
            background: var(--brand-deep);
            color: rgba(255, 255, 255, 0.8);
            padding: 48px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }

        .footer-brand .brand-name {
            font-size: 24px;
            font-weight: 800;
            color: var(--white);
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            margin: 0;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--white);
            margin: 0 0 16px;
            letter-spacing: 0.3px;
        }

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

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

        .footer-col ul li a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            transition: color 0.2s;
        }

        .footer-col ul li a:hover {
            color: var(--accent-acid);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }

        .footer-bottom .copyright {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-links {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .footer-links a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            transition: color 0.2s;
        }

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

        .footer-links span {
            color: rgba(255, 255, 255, 0.25);
            font-size: 12px;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .masthead-inner {
                gap: 14px;
            }
            .masthead-nav {
                gap: 14px;
                font-size: 13px;
            }
            .masthead-search input {
                width: 100px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
            .masthead-brand .brand-name {
                font-size: 24px;
            }
            .masthead-brand .brand-name span {
                font-size: 22px;
            }
            .masthead-divider {
                height: 24px;
            }
            .masthead-brand {
                flex: 1;
                gap: 10px;
            }
            .nav-toggle {
                display: flex;
            }
            .masthead-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                gap: 0;
                padding: 8px 0;
                border-top: 1px solid var(--border-soft);
                margin-top: 4px;
            }
            .masthead-nav.open {
                display: flex;
            }
            .masthead-nav a {
                padding: 10px 0;
                width: 100%;
                border-bottom: 1px solid var(--border-soft);
                font-size: 15px;
            }
            .masthead-nav a:last-child {
                border-bottom: none;
            }
            .masthead-nav a.active {
                border-bottom-color: var(--accent-orange);
            }
            .masthead-search {
                display: none;
            }
            .masthead-right {
                margin-left: 0;
            }
            .page-header h1 {
                font-size: 26px;
            }
            .section {
                padding: 40px 0;
            }
            .section-title {
                font-size: 22px;
            }
            .event-grid {
                grid-template-columns: 1fr;
            }
            .calendar-grid {
                gap: 4px;
            }
            .calendar-day {
                min-height: 56px;
                padding: 8px 4px;
            }
            .calendar-day .day-num {
                font-size: 13px;
            }
            .calendar-day .day-label {
                font-size: 10px;
            }
            .cta-section .container {
                flex-direction: column;
                align-items: flex-start;
                gap: 24px;
            }
            .cta-form {
                min-width: auto;
                width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
        }

        @media (max-width: 520px) {
            .page-header {
                padding: 36px 0 32px;
            }
            .page-header h1 {
                font-size: 22px;
            }
            .page-header .subtitle {
                font-size: 14px;
            }
            .section-title {
                font-size: 20px;
            }
            .event-card .card-image {
                height: 150px;
            }
            .event-card .card-title {
                font-size: 15px;
            }
            .calendar-wrapper {
                padding: 16px;
            }
            .tag-chip {
                padding: 6px 14px;
                font-size: 12px;
            }
            .btn-view-more {
                padding: 12px 28px;
                font-size: 14px;
            }
            .cta-content h2 {
                font-size: 21px;
            }
        }

/* roulang page: category4 */
/* ===== 设计变量 ===== */
        :root {
            --brand-dark: #1B2E24;
            --brand-deep: #1F2E2C;
            --bg-warm: #F7F4EF;
            --bg-light: #EFF2EA;
            --accent-acid: #B4F03D;
            --accent-acid-bright: #C5FF4E;
            --accent-orange: #E65A3B;
            --border-soft: #DDE2D2;
            --divider: #B8C4B0;
            --text-dark: #1B2E24;
            --text-soft: #4A5A4E;
            --text-light: #7A8A7E;
            --white: #FFFFFF;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 6px 16px rgba(0, 0, 0, 0.12);
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-badge: 6px;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
        }

        /* ===== 基础重置 ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            color: var(--text-dark);
            background: var(--bg-warm);
            line-height: 1.6;
            margin: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease, border-color 0.2s ease, opacity 0.2s;
        }
        a:hover {
            color: var(--brand-dark);
        }
        img {
            max-width: 100%;
            display: block;
            height: auto;
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
        }
        h1, h2, h3, h4, h5, h6 {
            margin: 0;
            line-height: 1.3;
        }
        p {
            margin: 0;
        }
        ul, ol {
            margin: 0;
            padding: 0;
            list-style: none;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 导航 / 杂志刊头 ===== */
        .masthead {
            background: var(--white);
            border-bottom: 1px solid var(--border-soft);
            position: sticky;
            top: 0;
            z-index: 50;
            box-shadow: 0 1px 6px rgba(0, 0, 0, 0.04);
        }
        .masthead-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 12px 0;
        }
        .masthead-brand {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-shrink: 0;
        }
        .masthead-brand .brand-name {
            font-size: 32px;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: var(--brand-dark);
            line-height: 1.2;
            white-space: nowrap;
            display: inline-flex;
            align-items: baseline;
        }
        .masthead-brand .brand-name span {
            color: var(--accent-orange);
            font-size: 28px;
        }
        .masthead-divider {
            width: 1px;
            height: 36px;
            background: var(--divider);
            flex-shrink: 0;
        }
        .masthead-nav {
            display: flex;
            align-items: center;
            gap: 20px;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.3px;
            white-space: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .masthead-nav::-webkit-scrollbar {
            display: none;
        }
        .masthead-nav a {
            color: var(--text-soft);
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: color 0.2s, border-color 0.2s;
        }
        .masthead-nav a:hover,
        .masthead-nav a.active {
            color: var(--brand-dark);
            border-bottom-color: var(--accent-acid);
        }
        .masthead-nav a.active {
            color: var(--brand-dark);
            border-bottom-color: var(--accent-orange);
        }
        .masthead-right {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .masthead-search {
            display: flex;
            align-items: center;
            background: var(--bg-light);
            border: 1px solid var(--border-soft);
            border-radius: 8px;
            padding: 6px 12px;
            gap: 8px;
        }
        .masthead-search input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 13px;
            width: 140px;
            color: var(--text-dark);
        }
        .masthead-search svg {
            color: var(--text-light);
            flex-shrink: 0;
        }
        .nav-toggle {
            display: none;
            background: var(--brand-dark);
            border: none;
            color: var(--white);
            width: 40px;
            height: 40px;
            border-radius: 8px;
            cursor: pointer;
            flex-shrink: 0;
            align-items: center;
            justify-content: center;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: var(--brand-deep);
        }
        .nav-toggle svg {
            width: 20px;
            height: 20px;
        }

        /* ===== 主导航移动端 ===== */
        @media (max-width: 1024px) {
            .masthead-brand .brand-name {
                font-size: 26px;
            }
            .masthead-brand .brand-name span {
                font-size: 24px;
            }
            .masthead-nav {
                gap: 14px;
                font-size: 13px;
            }
            .masthead-search input {
                width: 100px;
            }
        }
        @media (max-width: 768px) {
            .masthead-brand {
                flex: 1;
                gap: 10px;
            }
            .masthead-brand .brand-name {
                font-size: 24px;
            }
            .masthead-brand .brand-name span {
                font-size: 22px;
            }
            .masthead-divider {
                height: 24px;
            }
            .nav-toggle {
                display: flex;
            }
            .masthead-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                gap: 0;
                padding: 8px 0;
                border-top: 1px solid var(--border-soft);
                margin-top: 4px;
                position: absolute;
                top: 100%;
                left: 0;
                background: var(--white);
                z-index: 49;
                box-shadow: 0 8px 16px rgba(0,0,0,0.06);
            }
            .masthead-nav.open {
                display: flex;
            }
            .masthead-nav a {
                padding: 10px 20px;
                width: 100%;
                border-bottom: 1px solid var(--border-soft);
                font-size: 15px;
                border-bottom: 1px solid var(--border-soft);
            }
            .masthead-nav a:last-child {
                border-bottom: none;
            }
            .masthead-nav a.active {
                border-bottom-color: var(--accent-orange);
                background: var(--bg-light);
            }
            .masthead-search {
                display: none;
            }
        }

        /* ===== 面包屑 ===== */
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 13px;
            color: var(--text-light);
            padding: 16px 0 8px;
        }
        .breadcrumb a {
            color: var(--text-soft);
        }
        .breadcrumb a:hover {
            color: var(--accent-orange);
        }
        .breadcrumb .sep {
            margin: 0 2px;
            color: var(--divider);
        }
        .breadcrumb .current {
            color: var(--brand-dark);
            font-weight: 600;
        }

        /* ===== 分类页头部 ===== */
        .category-hero {
            background: var(--bg-light);
            border-bottom: 1px solid var(--border-soft);
            padding: 40px 0;
        }
        .category-hero h1 {
            font-size: 30px;
            font-weight: 800;
            color: var(--brand-dark);
            letter-spacing: -0.5px;
            line-height: 1.3;
            margin-bottom: 12px;
        }
        .category-hero .lead {
            font-size: 15px;
            color: var(--text-soft);
            max-width: 820px;
            line-height: 1.7;
        }
        .category-hero .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 16px;
        }
        .category-hero .badge-tag {
            display: inline-block;
            background: var(--white);
            border: 1px solid var(--border-soft);
            color: var(--text-soft);
            font-size: 12px;
            font-weight: 500;
            padding: 4px 12px;
            border-radius: 999px;
        }

        /* ===== 板块通用 ===== */
        .section {
            padding: 48px 0;
        }
        .section-alt {
            background: var(--bg-light);
        }
        .section-title {
            font-size: 25px;
            font-weight: 800;
            color: var(--brand-dark);
            margin-bottom: 16px;
            letter-spacing: -0.3px;
            position: relative;
            display: inline-block;
        }
        .section-title:after {
            content: '';
            display: block;
            width: 40px;
            height: 3px;
            background: var(--accent-acid);
            margin-top: 8px;
            border-radius: 2px;
        }
        .section-subtitle {
            font-size: 14px;
            color: var(--text-light);
            margin-bottom: 24px;
        }

        /* ===== 评测列表卡片 ===== */
        .review-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .review-card {
            background: var(--white);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s;
            display: flex;
            flex-direction: column;
        }
        .review-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--accent-acid);
        }
        .review-card .thumb {
            aspect-ratio: 16/10;
            overflow: hidden;
            background: var(--bg-light);
        }
        .review-card .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }
        .review-card:hover .thumb img {
            transform: scale(1.03);
        }
        .review-card .card-body {
            padding: 16px 18px 18px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .review-card .card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 8px;
        }
        .review-card .card-tags span {
            font-size: 12px;
            font-weight: 600;
            padding: 3px 8px;
            border-radius: var(--radius-badge);
            background: var(--bg-light);
            color: var(--text-soft);
        }
        .review-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--brand-dark);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .review-card .summary {
            font-size: 13px;
            color: var(--text-soft);
            line-height: 1.65;
            margin-bottom: 14px;
            flex: 1;
        }
        .review-card .meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid var(--border-soft);
            padding-top: 12px;
            margin-top: auto;
        }
        .review-card .date {
            font-size: 12px;
            color: var(--text-light);
        }
        .review-card .read-more {
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-orange);
            border: none;
            background: none;
            cursor: pointer;
            padding: 0;
            display: inline-flex;
            align-items: center;
            gap: 3px;
            transition: color 0.2s;
        }
        .review-card .read-more:hover {
            color: var(--brand-dark);
        }
        .review-card .read-more svg {
            width: 14px;
            height: 14px;
        }

        /* ===== 装备对比卡片 ===== */
        .compare-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .compare-card {
            background: var(--white);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-card);
            padding: 20px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow 0.25s, transform 0.25s;
        }
        .compare-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .compare-card .compare-name {
            font-size: 17px;
            font-weight: 700;
            color: var(--brand-dark);
            margin-bottom: 8px;
        }
        .compare-card .compare-score {
            display: flex;
            align-items: baseline;
            gap: 4px;
            margin-bottom: 12px;
        }
        .compare-card .score-big {
            font-size: 30px;
            font-weight: 800;
            color: var(--accent-orange);
        }
        .compare-card .score-label {
            font-size: 13px;
            color: var(--text-light);
        }
        .compare-card ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .compare-card ul li {
            font-size: 13px;
            display: flex;
            justify-content: space-between;
            gap: 8px;
            border-bottom: 1px dashed var(--border-soft);
            padding-bottom: 6px;
        }
        .compare-card ul li span:first-child {
            color: var(--text-light);
            flex-shrink: 0;
        }
        .compare-card ul li span:last-child {
            color: var(--text-dark);
            font-weight: 600;
            text-align: right;
        }

        /* ===== 评测标准说明 ===== */
        .standard-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 0;
            background: var(--white);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-card);
            overflow: hidden;
        }
        .standard-item {
            padding: 22px 24px;
            border-bottom: 1px solid var(--border-soft);
            display: flex;
            gap: 14px;
            align-items: flex-start;
        }
        .standard-item:nth-child(odd) {
            border-right: 1px solid var(--border-soft);
        }
        .standard-item:nth-last-child(-n+2) {
            border-bottom: none;
        }
        .standard-item .num {
            background: var(--brand-dark);
            color: var(--accent-acid);
            width: 28px;
            height: 28px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .standard-item .content h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--brand-dark);
            margin-bottom: 4px;
        }
        .standard-item .content p {
            font-size: 13px;
            color: var(--text-soft);
            line-height: 1.6;
        }

        /* ===== 查看更多按钮区 ===== */
        .more-section {
            text-align: center;
            padding: 24px 0;
        }
        .btn-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--brand-dark);
            color: var(--white);
            font-weight: 600;
            font-size: 15px;
            padding: 10px 24px;
            border-radius: var(--radius-btn);
            border: none;
            cursor: pointer;
            transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
            box-shadow: var(--shadow-sm);
        }
        .btn-more:hover {
            background: var(--brand-deep);
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }
        .btn-more:active {
            transform: scale(0.98);
        }
        .btn-more svg {
            width: 16px;
            height: 16px;
        }

        /* ===== CTA订阅板块 ===== */
        .cta-subscribe {
            background: var(--brand-dark);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            color: var(--white);
            box-shadow: var(--shadow-md);
        }
        .cta-subscribe .cta-content h3 {
            font-size: 22px;
            font-weight: 800;
            margin-bottom: 8px;
            color: var(--white);
        }
        .cta-subscribe .cta-content p {
            font-size: 14px;
            color: rgba(255,255,255,0.75);
            max-width: 500px;
        }
        .subscribe-form {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
            flex: 1;
            min-width: 260px;
            justify-content: flex-end;
        }
        .subscribe-form input {
            background: rgba(255,255,255,0.1);
            border: 1px solid rgba(255,255,255,0.25);
            border-radius: var(--radius-btn);
            padding: 10px 16px;
            font-size: 14px;
            color: var(--white);
            outline: none;
            width: 240px;
            transition: border-color 0.2s;
        }
        .subscribe-form input::placeholder {
            color: rgba(255,255,255,0.6);
        }
        .subscribe-form input:focus {
            border-color: var(--accent-acid);
        }
        .btn-subscribe {
            background: var(--accent-acid);
            color: var(--brand-dark);
            font-weight: 700;
            font-size: 14px;
            padding: 10px 20px;
            border-radius: var(--radius-btn);
            border: none;
            cursor: pointer;
            transition: background 0.2s, transform 0.2s;
        }
        .btn-subscribe:hover {
            background: var(--accent-acid-bright);
        }
        .btn-subscribe:active {
            transform: scale(0.97);
        }

        /* ===== 页脚 ===== */
        .footer {
            background: var(--brand-dark);
            color: rgba(255,255,255,0.75);
            padding: 48px 0 24px;
            margin-top: 48px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand .brand-name {
            font-size: 24px;
            font-weight: 800;
            color: var(--white);
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }
        .footer-brand p {
            font-size: 13px;
            line-height: 1.7;
            max-width: 300px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 12px;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 13px;
            color: rgba(255,255,255,0.65);
            transition: color 0.2s;
        }
        .footer-col ul li a:hover {
            color: var(--accent-acid);
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 20px;
            font-size: 13px;
        }
        .footer-links {
            display: flex;
            gap: 8px;
            align-items: center;
        }
        .footer-links a {
            color: var(--accent-acid);
            transition: color 0.2s;
        }
        .footer-links a:hover {
            color: var(--accent-acid-bright);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .review-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .compare-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .compare-card:last-child {
                grid-column: span 2;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .category-hero {
                padding: 28px 0;
            }
            .category-hero h1 {
                font-size: 25px;
            }
            .container {
                padding: 0 16px;
            }
            .review-grid {
                grid-template-columns: 1fr;
            }
            .compare-grid {
                grid-template-columns: 1fr;
            }
            .compare-card:last-child {
                grid-column: span 1;
            }
            .standard-list {
                grid-template-columns: 1fr;
            }
            .standard-item:nth-child(odd) {
                border-right: none;
            }
            .standard-item:nth-last-child(-n+2) {
                border-bottom: 1px solid var(--border-soft);
            }
            .standard-item:last-child {
                border-bottom: none;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .cta-subscribe {
                flex-direction: column;
                align-items: flex-start;
            }
            .subscribe-form {
                justify-content: flex-start;
                width: 100%;
            }
            .subscribe-form input {
                width: 100%;
            }
        }
        @media (max-width: 520px) {
            .section {
                padding: 32px 0;
            }
            .section-title {
                font-size: 22px;
            }
            .review-card .card-body {
                padding: 14px;
            }
            .masthead-brand .brand-name {
                font-size: 20px;
            }
            .masthead-brand .brand-name span {
                font-size: 18px;
            }
            .masthead-divider {
                height: 20px;
            }
        }

/* roulang page: category5 */
:root {
            --brand-dark: #1B2E24;
            --brand-deep: #1F2E2C;
            --bg-warm: #F7F4EF;
            --bg-light: #EFF2EA;
            --accent-acid: #B4F03D;
            --accent-acid-bright: #C5FF4E;
            --accent-orange: #E65A3B;
            --border-soft: #DDE2D2;
            --divider: #B8C4B0;
            --text-dark: #1B2E24;
            --text-soft: #4A5A4E;
            --text-light: #7A8A7E;
            --white: #FFFFFF;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 6px 16px rgba(0, 0, 0, 0.12);
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-badge: 6px;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            color: var(--text-dark);
            background: var(--bg-warm);
            line-height: 1.6;
            margin: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease, border-color 0.2s ease;
        }
        a:hover {
            color: var(--text-dark);
        }
        img {
            max-width: 100%;
            display: block;
        }
        button,
        input,
        textarea {
            font-family: inherit;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Navigation - Magazine Masthead */
        .masthead {
            background: var(--white);
            border-bottom: 1px solid var(--border-soft);
            position: sticky;
            top: 0;
            z-index: 50;
            box-shadow: 0 1px 6px rgba(0, 0, 0, 0.04);
        }
        .masthead-inner {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 12px 0;
            flex-wrap: wrap;
        }
        .masthead-brand {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-shrink: 0;
        }
        .masthead-brand .brand-name {
            font-size: 32px;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: var(--brand-dark);
            line-height: 1.2;
            white-space: nowrap;
        }
        .masthead-brand .brand-name span {
            color: var(--accent-orange);
            font-size: 28px;
        }
        .masthead-divider {
            width: 1px;
            height: 36px;
            background: var(--divider);
            flex-shrink: 0;
        }
        .masthead-nav {
            display: flex;
            align-items: center;
            gap: 20px;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.3px;
            white-space: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            flex: 1;
            min-width: 0;
        }
        .masthead-nav::-webkit-scrollbar {
            display: none;
        }
        .masthead-nav a {
            color: var(--text-soft);
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: color 0.2s, border-color 0.2s;
            flex-shrink: 0;
        }
        .masthead-nav a:hover,
        .masthead-nav a.active {
            color: var(--brand-dark);
            border-bottom-color: var(--accent-acid);
        }
        .masthead-nav a.active {
            color: var(--brand-dark);
            border-bottom-color: var(--accent-orange);
        }
        .masthead-right {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .masthead-search {
            display: flex;
            align-items: center;
            background: var(--bg-light);
            border: 1px solid var(--border-soft);
            border-radius: 8px;
            padding: 6px 12px;
            gap: 8px;
        }
        .masthead-search input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 13px;
            width: 140px;
            color: var(--text-dark);
        }
        .masthead-search svg {
            color: var(--text-light);
            flex-shrink: 0;
        }
        .nav-toggle {
            display: none;
            background: var(--brand-dark);
            border: none;
            color: var(--white);
            width: 40px;
            height: 40px;
            border-radius: 8px;
            cursor: pointer;
            flex-shrink: 0;
            align-items: center;
            justify-content: center;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: var(--brand-deep);
        }
        .nav-toggle svg {
            width: 20px;
            height: 20px;
        }

        /* Page Header */
        .page-header {
            background: var(--brand-dark);
            padding: 48px 0 40px;
            border-bottom: 4px solid var(--accent-acid);
            position: relative;
            overflow: hidden;
        }
        .page-header::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 300px;
            height: 100%;
            background: radial-gradient(circle at top right, rgba(180, 240, 61, 0.12), transparent 70%);
            pointer-events: none;
        }
        .page-header .container {
            position: relative;
            z-index: 1;
        }
        .page-header h1 {
            font-size: 36px;
            font-weight: 800;
            color: var(--white);
            letter-spacing: -0.3px;
            line-height: 1.3;
            margin: 0 0 12px;
        }
        .page-header h1 .highlight {
            color: var(--accent-acid);
        }
        .page-header .header-desc {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.78);
            max-width: 720px;
            line-height: 1.7;
            margin: 0;
        }
        .page-header .header-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-top: 16px;
            flex-wrap: wrap;
        }
        .page-header .header-meta span {
            font-size: 13px;
            color: var(--accent-acid);
            font-weight: 600;
            letter-spacing: 0.4px;
        }

        /* Section Base */
        .section {
            padding: 64px 0;
        }
        .section-alt {
            background: var(--bg-light);
        }
        .section-title {
            font-size: 28px;
            font-weight: 800;
            color: var(--text-dark);
            letter-spacing: -0.3px;
            margin: 0 0 8px;
            line-height: 1.3;
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--text-soft);
            margin: 0 0 32px;
            line-height: 1.7;
        }
        .section-title .underline {
            display: inline-block;
            position: relative;
        }
        .section-title .underline::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 48px;
            height: 4px;
            background: var(--accent-acid);
            border-radius: 2px;
        }

        /* Training List Cards */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .training-card {
            background: var(--white);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
            display: flex;
            flex-direction: column;
        }
        .training-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--accent-acid);
        }
        .training-card .card-image {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            background: var(--bg-light);
        }
        .training-card .card-body {
            padding: 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .training-card .card-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--brand-dark);
            background: var(--accent-acid);
            border-radius: var(--radius-badge);
            padding: 3px 10px;
            margin-bottom: 10px;
            align-self: flex-start;
        }
        .training-card .card-date {
            font-size: 13px;
            color: var(--text-light);
            margin-bottom: 6px;
        }
        .training-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-dark);
            margin: 0 0 8px;
            line-height: 1.4;
        }
        .training-card .card-summary {
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.7;
            margin: 0 0 16px;
            flex: 1;
        }
        .training-card .card-link {
            font-size: 14px;
            font-weight: 700;
            color: var(--brand-dark);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: color 0.2s, gap 0.2s;
        }
        .training-card .card-link:hover {
            color: var(--accent-orange);
            gap: 10px;
        }
        .training-card .card-link svg {
            width: 16px;
            height: 16px;
        }

        /* Steps Section */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
        }
        .step-card {
            background: var(--white);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            box-shadow: var(--shadow-sm);
            text-align: center;
            transition: box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
            position: relative;
        }
        .step-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--accent-acid);
        }
        .step-card .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--accent-acid);
            color: var(--brand-dark);
            font-weight: 800;
            font-size: 18px;
            margin-bottom: 12px;
        }
        .step-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-dark);
            margin: 0 0 8px;
            line-height: 1.4;
        }
        .step-card p {
            font-size: 13px;
            color: var(--text-soft);
            line-height: 1.6;
            margin: 0;
        }

        /* Equipment Cards */
        .equipment-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .equipment-card {
            background: var(--white);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
        }
        .equipment-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--accent-acid);
        }
        .equipment-card img {
            width: 100%;
            aspect-ratio: 1/1;
            object-fit: cover;
            background: var(--bg-light);
        }
        .equipment-card .equipment-body {
            padding: 16px;
        }
        .equipment-card h3 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-dark);
            margin: 0 0 6px;
            line-height: 1.4;
        }
        .equipment-card p {
            font-size: 13px;
            color: var(--text-soft);
            line-height: 1.6;
            margin: 0;
        }

        /* View More */
        .view-more-wrap {
            text-align: center;
            padding: 24px 0 8px;
        }
        .btn-view-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--brand-dark);
            color: var(--white);
            font-size: 15px;
            font-weight: 700;
            padding: 12px 32px;
            border-radius: var(--radius-btn);
            border: none;
            cursor: pointer;
            transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
            box-shadow: var(--shadow-sm);
        }
        .btn-view-more:hover {
            background: var(--brand-deep);
            box-shadow: var(--shadow-md);
        }
        .btn-view-more:active {
            transform: scale(0.98);
        }
        .btn-view-more:focus-visible {
            outline: 2px solid var(--accent-acid);
            outline-offset: 2px;
        }
        .btn-view-more svg {
            width: 18px;
            height: 18px;
        }

        /* CTA Subscribe */
        .cta-subscribe {
            background: var(--brand-dark);
            border-radius: 16px;
            padding: 48px 40px;
            position: relative;
            overflow: hidden;
        }
        .cta-subscribe::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(180, 240, 61, 0.1);
            pointer-events: none;
        }
        .cta-subscribe::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: 20%;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(230, 90, 59, 0.08);
            pointer-events: none;
        }
        .cta-subscribe .cta-content {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }
        .cta-subscribe h2 {
            font-size: 26px;
            font-weight: 800;
            color: var(--white);
            margin: 0 0 8px;
            line-height: 1.3;
        }
        .cta-subscribe h2 .acid {
            color: var(--accent-acid);
        }
        .cta-subscribe p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.72);
            margin: 0;
            line-height: 1.7;
        }
        .cta-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            align-items: center;
        }
        .cta-form input {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-btn);
            padding: 12px 16px;
            font-size: 14px;
            color: var(--white);
            outline: none;
            min-width: 260px;
            transition: border-color 0.2s, background 0.2s;
        }
        .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }
        .cta-form input:focus {
            border-color: var(--accent-acid);
            background: rgba(255, 255, 255, 0.15);
        }
        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent-acid);
            color: var(--brand-dark);
            font-size: 15px;
            font-weight: 700;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            border: none;
            cursor: pointer;
            transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
            box-shadow: var(--shadow-sm);
        }
        .btn-cta:hover {
            background: var(--accent-acid-bright);
            box-shadow: var(--shadow-md);
        }
        .btn-cta:active {
            transform: scale(0.98);
        }
        .btn-cta:focus-visible {
            outline: 2px solid var(--accent-acid);
            outline-offset: 2px;
        }

        /* Footer */
        .footer {
            background: var(--brand-deep);
            color: rgba(255, 255, 255, 0.72);
            padding: 48px 0 24px;
            margin-top: 0;
        }
        .footer .brand-name {
            font-size: 24px;
            font-weight: 800;
            color: var(--white);
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }
        .footer .brand-name span {
            color: var(--accent-acid);
        }
        .footer p {
            font-size: 14px;
            line-height: 1.7;
            margin: 0 0 20px;
            color: rgba(255, 255, 255, 0.55);
            max-width: 300px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .footer-col h4 {
            font-size: 13px;
            font-weight: 700;
            color: var(--white);
            margin: 0 0 16px;
            letter-spacing: 0.5px;
            text-transform: uppercase;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            transition: color 0.2s;
        }
        .footer-col ul li a:hover {
            color: var(--accent-acid);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 20px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-links {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            transition: color 0.2s;
        }
        .footer-links a:hover {
            color: var(--accent-acid);
        }
        .footer-links span {
            color: rgba(255, 255, 255, 0.3);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .training-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .equipment-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .page-header h1 {
                font-size: 30px;
            }
        }
        @media (max-width: 768px) {
            .masthead-brand .brand-name {
                font-size: 26px;
            }
            .masthead-brand .brand-name span {
                font-size: 24px;
            }
            .masthead-nav {
                gap: 14px;
                font-size: 13px;
            }
            .masthead-search input {
                width: 100px;
            }
            .section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .page-header {
                padding: 36px 0 32px;
            }
            .page-header h1 {
                font-size: 26px;
            }
            .page-header .header-desc {
                font-size: 14px;
            }
            .cta-subscribe {
                padding: 36px 24px;
            }
            .cta-subscribe h2 {
                font-size: 22px;
            }
            .cta-form input {
                min-width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 640px) {
            .container {
                padding: 0 16px;
            }
            .masthead-inner {
                gap: 10px;
                padding: 10px 0;
            }
            .masthead-brand {
                flex: 1;
                gap: 10px;
            }
            .masthead-brand .brand-name {
                font-size: 22px;
            }
            .masthead-brand .brand-name span {
                font-size: 20px;
            }
            .masthead-divider {
                height: 24px;
            }
            .masthead-search {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .masthead-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                gap: 0;
                padding: 8px 0;
                border-top: 1px solid var(--border-soft);
                margin-top: 4px;
            }
            .masthead-nav.open {
                display: flex;
            }
            .masthead-nav a {
                padding: 10px 0;
                width: 100%;
                border-bottom: 1px solid var(--border-soft);
                font-size: 15px;
            }
            .masthead-nav a:last-child {
                border-bottom: none;
            }
            .masthead-nav a.active {
                border-bottom-color: var(--accent-orange);
            }
            .training-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .equipment-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .page-header h1 {
                font-size: 22px;
            }
            .section-title {
                font-size: 21px;
            }
            .training-card .card-body {
                padding: 16px;
            }
            .cta-subscribe {
                padding: 28px 18px;
            }
            .cta-subscribe h2 {
                font-size: 20px;
            }
            .btn-cta {
                width: 100%;
                justify-content: center;
            }
        }