/* roulang page: index */
:root {
            --primary: #1E4E8C;
            --primary-dark: #163D6F;
            --primary-light: #E8F0F8;
            --secondary: #A67C52;
            --secondary-light: #F3EAE0;
            --accent: #C08A2D;
            --success: #2F7D5A;
            --bg: #F5F8FC;
            --card-bg: #FFFFFF;
            --heading: #1F2933;
            --body: #33414F;
            --muted: #5A6B7A;
            --border: #D9E2EC;
            --radius: 10px;
            --radius-sm: 6px;
            --shadow: 0 2px 8px rgba(30, 78, 140, 0.06), 0 12px 32px rgba(30, 78, 140, 0.05);
            --shadow-lg: 0 8px 24px rgba(30, 78, 140, 0.12);
            --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --container: 1200px;
            --spacer: 96px;
        }
        *,
        *::before,
        *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font);
            font-size: 16px;
            line-height: 1.6;
            color: var(--body);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        button {
            font-family: inherit;
            cursor: pointer;
        }
        ul,
        ol {
            list-style: none;
        }
        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }
        .section {
            padding: var(--spacer) 0;
        }
        .section-head {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-head h2 {
            font-size: 32px;
            font-weight: 800;
            color: var(--heading);
            line-height: 1.3;
            letter-spacing: -0.5px;
        }
        .section-head p {
            max-width: 680px;
            margin: 12px auto 0;
            color: var(--muted);
            font-size: 15px;
            line-height: 1.7;
        }
        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }
            .section-head {
                margin-bottom: 32px;
            }
            .section-head h2 {
                font-size: 25px;
            }
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 44px;
            padding: 0 24px;
            border-radius: 4px;
            font-size: 15px;
            font-weight: 600;
            border: 1px solid transparent;
            transition: all 0.2s ease;
            clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: translateY(0);
            filter: brightness(0.92);
        }
        .btn-outline {
            background: #fff;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary-light);
        }
        .btn-warm {
            background: var(--secondary);
            color: #fff;
            border-color: var(--secondary);
        }
        .btn-warm:hover {
            background: #8F6742;
            border-color: #8F6742;
            transform: translateY(-1px);
        }
        .btn-warm:active {
            transform: translateY(0);
            filter: brightness(0.92);
        }
        .btn:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            border-radius: 4px;
            font-size: 12px;
            font-weight: 600;
            background: var(--primary-light);
            color: var(--primary);
            clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 0 100%);
        }
        .badge-warm {
            background: var(--secondary-light);
            color: var(--secondary);
        }
        .badge-green {
            background: rgba(47, 125, 90, 0.12);
            color: var(--success);
        }
        .status-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            display: inline-block;
            background: var(--success);
        }
        .status-dot.orange {
            background: var(--accent);
        }
        .status-dot.gray {
            background: #9AA7B4;
        }

        /* Top Status Bar */
        .topbar {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.9);
            font-size: 13px;
            padding: 8px 0;
            display: none;
        }
        @media (min-width: 1024px) {
            .topbar {
                display: block;
            }
        }
        .topbar-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
        }
        .topbar-info i {
            margin-right: 6px;
            color: #B9CDE8;
        }
        .topbar-status {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .topbar-status .countdown {
            font-variant-numeric: tabular-nums;
            background: rgba(255, 255, 255, 0.12);
            padding: 2px 10px;
            border-radius: 4px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-weight: 600;
            letter-spacing: 0.5px;
        }
        .topbar-status .countdown i {
            font-size: 12px;
            margin-right: 2px;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
            height: 72px;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            position: relative;
            overflow: hidden;
        }
        .logo-icon::after {
            content: '';
            position: absolute;
            right: -2px;
            bottom: -2px;
            width: 14px;
            height: 14px;
            background: rgba(255, 255, 255, 0.2);
            clip-path: polygon(100% 0, 0 100%, 100% 100%);
        }
        .logo-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--heading);
            letter-spacing: 0.5px;
        }
        .logo-text span {
            color: var(--primary);
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-link {
            padding: 8px 16px;
            border-radius: 6px;
            font-size: 14px;
            font-weight: 500;
            color: var(--body);
            transition: all 0.2s ease;
        }
        .nav-link:hover {
            background: var(--primary-light);
            color: var(--primary);
        }
        .nav-link.active {
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 600;
        }
        .nav-link .dot {
            width: 6px;
            height: 6px;
            background: var(--success);
            border-radius: 50%;
            display: inline-block;
            margin-left: 4px;
            vertical-align: middle;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .header-cta {
            height: 40px;
            padding: 0 20px;
            font-size: 14px;
        }
        .menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--heading);
            width: 42px;
            height: 42px;
            border-radius: 6px;
        }
        .menu-toggle:hover {
            background: var(--primary-light);
        }
        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: #fff;
                border-bottom: 1px solid var(--border);
                padding: 16px;
                flex-direction: column;
                align-items: stretch;
                gap: 8px;
                box-shadow: var(--shadow);
            }
            .nav-menu.open {
                display: flex;
            }
            .header-cta {
                display: none;
            }
            .menu-toggle {
                display: block;
            }
        }

        /* Hero */
        .hero {
            position: relative;
            min-height: 70vh;
            display: flex;
            align-items: center;
            background-image: linear-gradient(90deg, rgba(245, 248, 252, 0.97) 0%, rgba(245, 248, 252, 0.85) 50%, rgba(245, 248, 252, 0.55) 100%), url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: 80px 0;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: linear-gradient(rgba(30, 78, 140, 0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(30, 78, 140, 0.04) 1px, transparent 1px);
            background-size: 32px 32px;
            pointer-events: none;
        }
        .hero-grid {
            position: relative;
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
            align-items: center;
        }
        .hero-content h1 {
            font-size: 38px;
            font-weight: 800;
            color: var(--heading);
            line-height: 1.25;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
        }
        .hero-content p {
            font-size: 16px;
            color: var(--body);
            line-height: 1.8;
            max-width: 520px;
            margin-bottom: 28px;
        }
        .hero-btns {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }
        .hero-note {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--muted);
        }
        .hero-note i {
            color: var(--success);
        }
        .hero-card {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            border-top: 4px solid var(--primary);
            box-shadow: var(--shadow);
            padding: 28px;
            max-width: 400px;
            margin-left: auto;
        }
        .hero-card-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
        }
        .hero-card-header .name {
            font-size: 17px;
            font-weight: 700;
            color: var(--heading);
        }
        .hero-card-header .status-label {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 12px;
            font-weight: 600;
            color: var(--success);
            background: rgba(47, 125, 90, 0.08);
            padding: 4px 10px;
            border-radius: 20px;
        }
        .hero-card-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .hero-card-row {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--body);
        }
        .hero-card-row i {
            width: 20px;
            color: var(--primary);
            text-align: center;
        }
        .hero-card-row span {
            color: var(--muted);
        }
        .hero-card-row strong {
            font-weight: 600;
            color: var(--heading);
        }
        .hero-card-divider {
            border-top: 1px solid var(--border);
            margin: 18px 0 14px;
        }
        .hero-countdown-block {
            background: var(--primary-light);
            border-radius: 8px;
            padding: 12px 14px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .hero-countdown-label {
            font-size: 13px;
            color: var(--primary);
            font-weight: 600;
        }
        .hero-countdown-label i {
            margin-right: 4px;
        }
        .hero-countdown-time {
            display: flex;
            gap: 4px;
            font-variant-numeric: tabular-nums;
            font-weight: 700;
            color: var(--primary);
            font-size: 16px;
        }
        .hero-countdown-time .cd-box {
            background: #fff;
            border-radius: 4px;
            padding: 2px 5px;
            min-width: 26px;
            text-align: center;
            box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
        }
        .hero-stats {
            position: relative;
            border-top: 1px solid var(--border);
            margin-top: 50px;
            padding-top: 28px;
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .hero-stat {
            text-align: center;
        }
        .hero-stat .num {
            font-size: 32px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }
        .hero-stat .label {
            font-size: 13px;
            color: var(--muted);
            margin-top: 4px;
        }
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-card {
                margin-left: 0;
                max-width: 100%;
            }
            .hero-content h1 {
                font-size: 30px;
            }
        }
        @media (max-width: 768px) {
            .hero {
                padding: 48px 0;
                min-height: auto;
            }
            .hero-content h1 {
                font-size: 25px;
            }
            .hero-stats {
                grid-template-columns: repeat(3, 1fr);
                gap: 12px;
            }
            .hero-stat .num {
                font-size: 22px;
            }
        }

        /* Features */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .feature-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 32px 28px;
            position: relative;
            transition: all 0.25s ease;
            overflow: hidden;
        }
        .feature-card::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 3px;
            background: var(--primary);
            opacity: 0;
            transition: opacity 0.25s ease;
        }
        .feature-card:hover {
            transform: translateY(-4px);
            border-color: var(--primary);
            box-shadow: var(--shadow-lg);
        }
        .feature-card:hover::before {
            opacity: 1;
        }
        .feature-num {
            font-size: 32px;
            font-weight: 600;
            color: #C9D7E8;
            line-height: 1;
            margin-bottom: 16px;
        }
        .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: 10px;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 20px;
            margin-bottom: 16px;
        }
        .feature-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--heading);
            margin-bottom: 8px;
        }
        .feature-card p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
            margin-bottom: 14px;
        }
        .feature-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .feature-link i {
            transition: transform 0.2s ease;
            font-size: 12px;
        }
        .feature-link:hover i {
            transform: translateX(3px);
        }
        @media (max-width: 768px) {
            .features-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Scenarios */
        .scenario-card {
            display: grid;
            grid-template-columns: 1fr 1fr;
            align-items: center;
            gap: 0;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            margin-bottom: 28px;
            transition: box-shadow 0.25s ease;
        }
        .scenario-card:hover {
            box-shadow: var(--shadow-lg);
        }
        .scenario-card.reverse .scenario-img {
            order: 2;
        }
        .scenario-card.reverse .scenario-body {
            order: 1;
        }
        .scenario-img {
            overflow: hidden;
            aspect-ratio: 16/9;
            background: var(--primary-light);
        }
        .scenario-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .scenario-card:hover .scenario-img img {
            transform: scale(1.03);
        }
        .scenario-body {
            padding: 32px 36px;
        }
        .scenario-body .tags {
            display: flex;
            gap: 8px;
            margin-bottom: 12px;
            flex-wrap: wrap;
        }
        .scenario-body h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--heading);
            margin-bottom: 10px;
        }
        .scenario-body p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.8;
            margin-bottom: 12px;
        }
        @media (max-width: 768px) {
            .scenario-card,
            .scenario-card.reverse {
                grid-template-columns: 1fr;
            }
            .scenario-card.reverse .scenario-img {
                order: 0;
            }
            .scenario-card.reverse .scenario-body {
                order: 1;
            }
            .scenario-body {
                padding: 20px;
            }
            .scenario-body h3 {
                font-size: 18px;
            }
        }

        /* Cases */
        .cases-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 24px;
        }
        .case-main {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: box-shadow 0.25s ease, transform 0.25s ease;
        }
        .case-main:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .case-main-img {
            aspect-ratio: 4/3;
            overflow: hidden;
            background: var(--primary-light);
        }
        .case-main-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .case-main-body {
            padding: 24px;
        }
        .case-main-body h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--heading);
            margin-bottom: 8px;
        }
        .case-main-body p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
            margin-bottom: 12px;
        }
        .case-rating {
            display: flex;
            align-items: center;
            gap: 6px;
            color: var(--accent);
            font-size: 14px;
        }
        .case-side {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .case-side-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            display: grid;
            grid-template-columns: 0.9fr 1.1fr;
            transition: box-shadow 0.25s ease, transform 0.25s ease;
        }
        .case-side-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .case-side-img {
            overflow: hidden;
            background: var(--primary-light);
        }
        .case-side-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .case-side-body {
            padding: 16px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .case-side-body h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--heading);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .case-side-body p {
            font-size: 13px;
            color: var(--muted);
            line-height: 1.6;
            margin-bottom: 6px;
        }
        .case-side-body .time-label {
            font-size: 12px;
            color: var(--secondary);
            font-weight: 600;
        }
        .case-data-bar {
            margin-top: 32px;
            background: var(--primary);
            border-radius: var(--radius);
            padding: 28px 32px;
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .case-data-bar::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
            background-size: 24px 24px;
            pointer-events: none;
        }
        .case-data-item {
            position: relative;
            color: #fff;
        }
        .case-data-item .num {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.2;
        }
        .case-data-item .label {
            font-size: 14px;
            opacity: 0.85;
            margin-top: 4px;
        }
        @media (max-width: 768px) {
            .cases-grid {
                grid-template-columns: 1fr;
            }
            .case-side-card {
                grid-template-columns: 1fr;
            }
            .case-data-bar {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .case-data-item .num {
                font-size: 24px;
            }
        }

        /* Topics */
        .topics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .topic-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 24px 20px;
            text-align: center;
            transition: all 0.25s ease;
            position: relative;
        }
        .topic-card::after {
            content: '';
            position: absolute;
            right: 10px;
            bottom: 10px;
            width: 20px;
            height: 20px;
            background: var(--primary-light);
            clip-path: polygon(100% 0, 0 100%, 100% 100%);
            border-radius: 0 0 10px 0;
        }
        .topic-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .topic-icon {
            width: 44px;
            height: 44px;
            margin: 0 auto 14px;
            background: var(--primary-light);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 18px;
        }
        .topic-card h3 {
            font-size: 15px;
            font-weight: 700;
            color: var(--heading);
            margin-bottom: 6px;
        }
        .topic-card p {
            font-size: 13px;
            color: var(--muted);
            line-height: 1.6;
        }
        @media (max-width: 1024px) {
            .topics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .topics-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Pricing */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            align-items: stretch;
        }
        .pricing-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 32px 28px;
            transition: all 0.25s ease;
            position: relative;
            display: flex;
            flex-direction: column;
        }
        .pricing-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .pricing-card.featured {
            border: 2px solid var(--primary);
            box-shadow: var(--shadow-lg);
        }
        .pricing-card.featured .pricing-recommend {
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--primary);
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 16px;
            border-radius: 20px;
            white-space: nowrap;
            clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 0 100%);
        }
        .pricing-name {
            font-size: 18px;
            font-weight: 700;
            color: var(--heading);
            margin-bottom: 8px;
        }
        .pricing-desc {
            font-size: 13px;
            color: var(--muted);
            margin-bottom: 20px;
            line-height: 1.6;
        }
        .pricing-price {
            margin-bottom: 20px;
            display: flex;
            align-items: baseline;
        }
        .pricing-price .currency {
            font-size: 18px;
            font-weight: 600;
            color: var(--primary);
        }
        .pricing-price .amount {
            font-size: 42px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin: 0 4px;
        }
        .pricing-price .per {
            font-size: 14px;
            color: var(--muted);
        }
        .pricing-features {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-bottom: 24px;
        }
        .pricing-features li {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: 14px;
            color: var(--body);
            line-height: 1.5;
        }
        .pricing-features li i {
            margin-top: 3px;
            font-size: 12px;
            color: var(--success);
        }
        .pricing-cta {
            width: 100%;
        }
        .pricing-availability {
            margin-top: 8px;
            padding: 8px 12px;
            background: var(--primary-light);
            border-radius: 6px;
            font-size: 12px;
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 12px;
        }
        @media (max-width: 768px) {
            .pricing-grid {
                grid-template-columns: 1fr;
            }
            .pricing-card.featured {
                order: -1;
            }
        }

        /* Latest News */
        .news-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 32px;
            align-items: start;
        }
        .news-timeline {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            overflow: hidden;
        }
        .news-item {
            display: flex;
            align-items: stretch;
            gap: 20px;
            padding: 20px 24px;
            border-bottom: 1px solid #EDF1F5;
            position: relative;
            transition: background 0.2s ease;
            text-decoration: none;
        }
        .news-item:last-child {
            border-bottom: none;
        }
        .news-item:hover {
            background: #F0F5FB;
        }
        .news-item::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--primary);
            opacity: 0;
            transition: opacity 0.2s ease;
        }
        .news-item:hover::before {
            opacity: 1;
        }
        .news-date-box {
            min-width: 64px;
            text-align: center;
            background: var(--primary-light);
            border-radius: 8px;
            padding: 8px 4px;
            align-self: center;
        }
        .news-date-box .day {
            font-size: 26px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.1;
        }
        .news-date-box .month {
            font-size: 12px;
            color: var(--muted);
            margin-top: 2px;
        }
        .news-content {
            flex: 1;
            min-width: 0;
        }
        .news-badge {
            display: inline-block;
            padding: 2px 10px;
            background: var(--secondary-light);
            color: var(--secondary);
            border-radius: 4px;
            font-size: 12px;
            font-weight: 600;
            margin-bottom: 6px;
        }
        .news-content h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--heading);
            line-height: 1.5;
            margin-bottom: 4px;
            transition: color 0.2s ease;
        }
        .news-item:hover .news-content h3 {
            color: var(--primary);
        }
        .news-content p {
            font-size: 13px;
            color: var(--muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-arrow {
            align-self: center;
            color: #B9CDE8;
            font-size: 18px;
            transition: color 0.2s ease, transform 0.2s ease;
        }
        .news-item:hover .news-arrow {
            color: var(--primary);
            transform: translateX(4px);
        }
        .news-sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .news-side-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 24px;
        }
        .news-side-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--heading);
            margin-bottom: 16px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--primary-light);
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .tag-cloud a {
            padding: 6px 14px;
            background: var(--primary-light);
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            transition: all 0.2s ease;
        }
        .tag-cloud a:hover {
            background: var(--primary);
            color: #fff;
        }
        .news-empty {
            padding: 48px 24px;
            text-align: center;
            border: 2px dashed var(--border);
            border-radius: var(--radius);
            background: #FAFBFC;
        }
        .news-empty i {
            font-size: 32px;
            color: #C9D7E8;
            margin-bottom: 12px;
            display: block;
        }
        .news-empty p {
            font-size: 14px;
            color: var(--muted);
        }
        @media (max-width: 768px) {
            .news-layout {
                grid-template-columns: 1fr;
            }
            .news-item {
                flex-direction: row;
                padding: 16px;
                gap: 14px;
            }
            .news-date-box {
                min-width: 52px;
            }
            .news-date-box .day {
                font-size: 22px;
            }
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 12px;
            overflow: hidden;
            transition: box-shadow 0.2s ease;
        }
        .faq-item.open {
            box-shadow: var(--shadow);
            border-color: var(--primary);
        }
        .faq-question {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 18px 20px;
            cursor: pointer;
            user-select: none;
        }
        .faq-q-badge {
            width: 28px;
            height: 28px;
            background: var(--primary);
            color: #fff;
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .faq-question h3 {
            flex: 1;
            font-size: 15px;
            font-weight: 600;
            color: var(--heading);
            line-height: 1.4;
        }
        .faq-toggle {
            width: 24px;
            height: 24px;
            border: 1px solid var(--border);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 12px;
            transition: all 0.25s ease;
            flex-shrink: 0;
        }
        .faq-item.open .faq-toggle {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }
        .faq-answer-inner {
            padding: 0 20px 20px 62px;
            border-left: 2px solid var(--primary);
            margin: 0 20px 0 20px;
            background: #F0F5FB;
            border-radius: 0 0 6px 6px;
            font-size: 14px;
            color: var(--muted);
            line-height: 1.8;
        }

        /* CTA */
        .cta-section {
            background: var(--primary-dark);
            position: relative;
            padding: 72px 0;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
            background-size: 28px 28px;
            pointer-events: none;
        }
        .cta-inner {
            position: relative;
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
        }
        .cta-inner h2 {
            color: #fff;
            font-size: 30px;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 12px;
        }
        .cta-inner p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 15px;
            line-height: 1.7;
            margin-bottom: 28px;
        }
        .cta-btns {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }
        @media (max-width: 768px) {
            .cta-section {
                padding: 48px 0;
            }
            .cta-inner h2 {
                font-size: 22px;
            }
        }

        /* Footer */
        .site-footer {
            background: #152C4C;
            color: rgba(255, 255, 255, 0.8);
            padding: 48px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 32px;
        }
        .footer-brand .logo-text {
            color: #fff;
        }
        .footer-brand .logo-text span {
            color: #7DA6D1;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            margin-top: 12px;
            color: rgba(255, 255, 255, 0.7);
            max-width: 360px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 14px;
            position: relative;
            padding-bottom: 8px;
        }
        .footer-col h4::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 24px;
            height: 2px;
            background: var(--secondary);
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            transition: color 0.2s ease;
        }
        .footer-col ul a:hover {
            color: #fff;
        }
        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 8px;
        }
        .footer-contact li i {
            color: var(--secondary);
            width: 16px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 16px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }

        /* Focus visible */
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

/* roulang page: article */
:root{
  --primary:#1E4E8C;
  --primary-dark:#163D6F;
  --primary-light:#E8F0F8;
  --tea:#A67C52;
  --tea-light:#F3EAE0;
  --accent:#C08A2D;
  --success:#2F7D5A;
  --success-light:#E7F4EE;
  --bg:#F5F8FC;
  --surface:#FFFFFF;
  --text:#1F2933;
  --text-body:#33414F;
  --text-muted:#5A6B7A;
  --border:#D9E2EC;
  --radius:10px;
  --radius-sm:6px;
  --shadow:0 2px 8px rgba(30,78,140,.06), 0 12px 32px rgba(30,78,140,.05);
  --shadow-hover:0 8px 24px rgba(30,78,140,.12);
  --container:1200px;
  --section-gap:80px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--text-body);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary);text-decoration:none;transition:color .2s ease}
ul,ol{list-style:none}
button,input,textarea{font-family:inherit;font-size:inherit}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
@media(max-width:520px){.container{padding:0 16px}}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:4px;
  font-size:14px;font-weight:600;line-height:1;white-space:nowrap;
  cursor:pointer;border:1px solid transparent;transition:all .2s ease;
}
.btn-primary{background:var(--primary);color:#fff;position:relative;overflow:hidden}
.btn-primary::after{
  content:'';position:absolute;right:-1px;bottom:-1px;
  width:12px;height:12px;background:var(--primary-dark);
  clip-path:polygon(0 0,100% 100%,0 100%);
}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 6px 16px rgba(22,61,111,.22)}
.btn-primary:active{transform:translateY(0);background:#122f57}
.btn-outline{background:#fff;color:var(--primary);border-color:var(--primary)}
.btn-outline:hover{background:var(--primary-light)}
.btn-outline:active{background:#D7E4F1}
.btn-cta{background:var(--tea);color:#fff}
.btn-cta:hover{background:#8f6742;color:#fff;transform:translateY(-1px);box-shadow:0 6px 16px rgba(166,124,82,.3)}
.btn-block{width:100%}
a.btn{color:#fff}
a.btn-outline{color:var(--primary)}
.btn:focus-visible,.nav-link:focus-visible,.logo:focus-visible,.tag:focus-visible,.menu-toggle:focus-visible{
  outline:2px solid var(--primary);outline-offset:2px;box-shadow:0 0 0 4px rgba(30,78,140,.15)
}

/* 顶部状态条 */
.topbar{
  background:var(--primary-dark);color:#dbe7f5;font-size:12px;height:36px;
  display:flex;align-items:center;border-bottom:1px solid rgba(255,255,255,.08);
}
.topbar-inner{display:flex;justify-content:space-between;align-items:center;width:100%}
.topbar-info{display:flex;align-items:center;gap:6px}
.topbar-info i{color:#9bb7d6}
.topbar-status{display:flex;align-items:center;gap:8px}
.status-dot{width:7px;height:7px;border-radius:50%;display:inline-block;flex-shrink:0}
.status-dot-green{background:var(--success);box-shadow:0 0 0 3px rgba(47,125,90,.2)}
.status-dot-orange{background:var(--accent);box-shadow:0 0 0 3px rgba(192,138,45,.2)}
.countdown{font-weight:600;font-size:12px;letter-spacing:.5px;font-variant-numeric:tabular-nums;color:#fff}
@media(max-width:768px){.topbar-info{display:none}.topbar{justify-content:flex-end}}

/* Header / 导航 */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
.nav-wrap{height:72px;display:flex;align-items:center}
.nav-inner{display:flex;align-items:center;justify-content:space-between;width:100%;gap:24px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-icon{
  width:38px;height:38px;border-radius:8px;background:var(--primary);
  color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;
  box-shadow:0 4px 10px rgba(30,78,140,.25);
}
.logo-text{font-size:22px;font-weight:800;color:var(--text);letter-spacing:.5px}
.logo-text span{color:var(--primary)}
.nav-menu{display:flex;align-items:center;gap:12px}
.nav-link{
  position:relative;padding:8px 6px;font-size:15px;font-weight:600;color:var(--text-body);
  border-bottom:2px solid transparent;transition:all .2s ease;
}
.nav-link:hover{color:var(--primary)}
.nav-link.active{color:var(--primary);border-bottom-color:var(--primary)}
.nav-link.active .dot,.nav-link .dot{
  width:6px;height:6px;border-radius:50%;background:var(--success);display:inline-block;
  margin-left:4px;vertical-align:2px;box-shadow:0 0 0 3px rgba(47,125,90,.18);
}
.header-cta{margin-left:8px}
.menu-toggle{display:none;width:42px;height:42px;border:1px solid var(--border);border-radius:8px;background:#fff;color:var(--primary);font-size:18px;cursor:pointer;align-items:center;justify-content:center}
@media(max-width:768px){
  .menu-toggle{display:flex}
  .nav-menu{
    position:absolute;top:72px;left:0;right:0;background:#fff;border-bottom:1px solid var(--border);
    flex-direction:column;align-items:stretch;padding:16px;gap:12px;display:none;
    box-shadow:0 16px 32px rgba(22,61,111,.08);
  }
  .nav-menu.open{display:flex}
  .nav-link{padding:12px;border-bottom:1px solid var(--primary-light)}
  .nav-link.active{border-bottom-color:var(--primary)}
  .header-cta{margin-left:0;justify-content:center}
}

/* 面包屑页头 */
.article-banner{
  background:var(--primary-light);
  background-image:
    linear-gradient(rgba(30,78,140,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(30,78,140,.05) 1px,transparent 1px);
  background-size:24px 24px;
  border-bottom:1px solid var(--border);
  padding:24px 0;
}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--text-muted)}
.breadcrumb a{color:var(--text-muted)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb-sep{color:#B3C6D8;font-weight:700}
.breadcrumb .current{color:var(--primary);font-weight:600;max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
@media(max-width:768px){.breadcrumb .current{max-width:220px}}

/* 文章主体 */
.article-main{padding:48px 0 var(--section-gap)}
.article-grid{display:grid;grid-template-columns:2fr 1fr;gap:32px;align-items:start}
@media(max-width:1024px){.article-grid{grid-template-columns:1fr;gap:32px}}

.article-main-col{
  background:var(--surface);border:1px solid var(--border);border-radius:14px;
  box-shadow:var(--shadow);padding:36px;overflow:hidden;
}
@media(max-width:768px){.article-main-col{padding:24px 18px}}

.article-header{border-bottom:1px solid var(--primary-light);padding-bottom:24px;margin-bottom:24px}
.article-meta-top{display:flex;align-items:center;gap:12px;margin-bottom:12px;flex-wrap:wrap}
.cat-badge{
  display:inline-flex;align-items:center;font-size:12px;font-weight:600;
  background:var(--tea-light);color:var(--tea);padding:3px 10px;border-radius:4px;
}
.article-date{font-size:13px;color:var(--text-muted);display:flex;align-items:center;gap:6px}
.article-title{font-size:clamp(1.55rem,3vw,2.1rem);color:var(--text);font-weight:800;line-height:1.35;margin-bottom:8px}
.article-author{font-size:13px;color:var(--text-muted);display:flex;align-items:center;gap:6px}
.article-author i{color:var(--primary)}

.article-cover{border-radius:12px;overflow:hidden;margin-bottom:24px;position:relative;background:#E2EAF3}
.article-cover img{width:100%;height:auto;max-height:460px;object-fit:cover}

.article-content{font-size:16px;line-height:1.85;color:var(--text-body)}
.article-content h2{font-size:1.35rem;color:var(--text);font-weight:700;margin:32px 0 14px;padding-left:14px;border-left:4px solid var(--primary);line-height:1.3}
.article-content h3{font-size:1.15rem;color:var(--text);font-weight:700;margin:24px 0 10px}
.article-content p{margin-bottom:18px}
.article-content a{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
.article-content a:hover{color:var(--primary-dark)}
.article-content ul{margin:0 0 18px;padding-left:24px;list-style:disc}
.article-content ol{margin:0 0 18px;padding-left:24px;list-style:decimal}
.article-content li{margin-bottom:8px}
.article-content blockquote{
  margin:24px 0;padding:16px 20px;background:var(--primary-light);
  border-left:4px solid var(--primary);border-radius:0 8px 8px 0;
  color:var(--text-body);font-size:15px;
}
.article-content blockquote p:last-child{margin-bottom:0}
.article-content img{border-radius:8px;margin:16px 0}
.article-content code,.article-content pre{background:var(--primary-light);border-radius:6px;font-size:14px;padding:2px 6px}
.article-content pre{padding:16px;overflow-x:auto}
.article-content pre code{background:none;padding:0}

/* 标签 */
.article-tags{display:flex;align-items:center;flex-wrap:wrap;gap:8px;padding:20px 0;border-top:1px solid var(--primary-light);border-bottom:1px solid var(--primary-light);margin:24px 0}
.tag-title{font-size:13px;color:var(--text-muted);font-weight:600}
.tag{
  display:inline-block;font-size:12px;font-weight:600;color:var(--tea);
  background:var(--tea-light);padding:5px 12px;border-radius:4px;transition:all .2s ease;
}
.tag:hover{background:var(--tea);color:#fff}

/* 上一篇 / 下一篇 */
.article-prev-next{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:28px}
.prev-next-item a{
  display:flex;flex-direction:column;gap:4px;background:var(--bg);
  border:1px solid var(--border);border-radius:10px;padding:16px 18px;height:100%;transition:all .2s ease;
}
.prev-next-item a:hover{border-color:var(--primary);background:var(--primary-light);box-shadow:var(--shadow)}
.prev-next-item small{font-size:12px;color:var(--text-muted)}
.prev-next-item span{font-size:14px;font-weight:600;color:var(--text);overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical}
@media(max-width:768px){.article-prev-next{grid-template-columns:1fr}}

/* 空态 */
.article-empty{text-align:center;padding:60px 24px;background:var(--bg);border:2px dashed var(--border);border-radius:12px}
.article-empty i{font-size:48px;color:#B3C6D8;margin-bottom:12px}
.article-empty p{font-size:18px;font-weight:600;color:var(--text-muted);margin-bottom:20px}

/* 返回按钮 */
.article-actions{display:flex;gap:14px;flex-wrap:wrap}
.article-actions a{min-width:140px}

/* 相关推荐 */
.related-section{margin-top:48px}
.section-title{font-size:1.4rem;font-weight:800;color:var(--text);margin-bottom:24px;display:flex;align-items:center;gap:12px}
.section-title::before{content:'';width:5px;height:24px;background:var(--primary);border-radius:3px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media(max-width:1024px){.related-grid{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.related-grid{grid-template-columns:1fr}}
.related-card{
  background:#fff;border:1px solid var(--border);border-radius:12px;overflow:hidden;
  transition:all .25s ease;display:block;
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--primary)}
.related-img{aspect-ratio:16/9;overflow:hidden;background:#E2EAF3}
.related-img img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.related-card:hover .related-img img{transform:scale(1.04)}
.related-info{padding:16px 18px}
.related-info h3{font-size:15px;font-weight:700;color:var(--text);line-height:1.5;margin-bottom:8px}
.related-info p{font-size:13px;color:var(--text-muted);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* 侧边栏 */
.article-sidebar{display:flex;flex-direction:column;gap:24px;position:sticky;top:96px}
@media(max-width:1024px){.article-sidebar{position:static}}
.side-card{
  background:#fff;border:1px solid var(--border);border-radius:14px;
  box-shadow:var(--shadow);padding:24px;transition:box-shadow .25s ease;
}
.side-card:hover{box-shadow:var(--shadow-hover)}
.side-title{font-size:15px;font-weight:700;color:var(--text);margin-bottom:16px;padding-bottom:10px;border-bottom:2px solid var(--primary-light);position:relative}
.side-title::after{content:'';position:absolute;left:0;bottom:-2px;width:36px;height:2px;background:var(--primary)}

.side-latest-list li{padding:10px 0;border-bottom:1px solid var(--primary-light)}
.side-latest-list li:last-child{border-bottom:none}
.side-latest-list a{
  display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--text-body);line-height:1.5;transition:color .2s ease;
}
.side-latest-list a::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--primary);margin-top:8px;flex-shrink:0;opacity:.6}
.side-latest-list a:hover{color:var(--primary)}
.side-latest-list a:hover::before{opacity:1}
.side-latest-list .side-empty{font-size:13px;color:var(--text-muted);text-align:center;padding:12px 0}

.side-tags{display:flex;flex-wrap:wrap;gap:8px}
.side-tags .tag{cursor:pointer}

.side-contact{background:var(--surface);border-top:4px solid var(--primary)}
.side-contact p{font-size:13px;color:var(--text-muted);margin-bottom:16px;line-height:1.7}
.side-contact .btn{margin-bottom:10px}
.side-contact-status{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--success);font-weight:600;margin-top:4px}

/* CTA */
.article-cta{
  margin-top:64px;border-radius:16px;overflow:hidden;position:relative;
  background:var(--primary-dark);color:#fff;padding:48px 40px;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:28px 28px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.article-cta h2{font-size:1.6rem;font-weight:800;margin-bottom:8px;color:#fff}
.article-cta p{color:#c6d7ea;font-size:14px;margin-bottom:0}
.article-cta .btn-cta{font-size:14px;height:48px;padding:0 32px}
.article-cta .btn-ghost{
  background:transparent;border:1px solid rgba(255,255,255,.35);color:#fff;height:48px;padding:0 28px;border-radius:4px;
  font-weight:600;cursor:pointer;transition:all .2s ease;display:inline-flex;align-items:center;gap:8px;
}
.article-cta .btn-ghost:hover{background:rgba(255,255,255,.1);border-color:#fff}
@media(max-width:768px){.article-cta{padding:32px 24px}.article-cta h2{font-size:1.25rem}}

/* Footer */
.site-footer{background:#122C4D;color:#9db5cd;font-size:14px;padding-top:64px;margin-top:80px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1.4fr;gap:48px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.08)}
@media(max-width:1024px){.footer-grid{grid-template-columns:1fr;gap:32px}}
.footer-brand .logo{margin-bottom:16px}
.footer-brand .logo-icon{background:rgba(255,255,255,.12);color:#fff}
.footer-brand .logo-text{color:#fff}
.footer-brand .logo-text span{color:#7eadd6}
.footer-brand p{font-size:13px;line-height:1.8;max-width:380px}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{color:#9db5cd;transition:color .2s ease}
.footer-col ul li a:hover{color:#fff;padding-left:4px}
.footer-contact li{display:flex;align-items:center;gap:10px;color:#9db5cd}
.footer-contact i{color:#7eadd6;font-size:14px}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:20px 0;font-size:12px;flex-wrap:wrap}
.footer-bottom p{color:#6e86a0}

/* 响应式补充 */
@media(max-width:768px){
  .article-main{padding:24px 0 48px}
  .article-main-col{padding:20px 16px}
  .article-title{font-size:1.35rem}
  .article-actions .btn{width:100%}
  .footer-bottom{justify-content:center;text-align:center}
}
@media(max-width:520px){
  .article-cover img{max-height:280px}
  .breadcrumb{font-size:12px}
}