/* roulang page: index */
/* ===== Design Variables ===== */
        :root {
            --primary: #2A6FD8;
            --primary-dark: #1E5AB8;
            --primary-light: #EAF1FA;
            --deep-blue: #0B1D3A;
            --deep-blue-light: #13294A;
            --accent: #FF6B35;
            --accent-dark: #E85A2A;
            --success: #1FA36A;
            --warning: #D4A853;
            --text-dark: #1F2937;
            --text-gray: #6B7280;
            --text-light: #9CA3AF;
            --border: #E5EAF0;
            --card-bg: #FFFFFF;
            --page-bg: #F5F8FC;
            --radius-card: 16px;
            --radius-btn: 8px;
            --radius-img: 12px;
            --shadow-sm: 0 2px 8px rgba(11, 29, 58, 0.06);
            --shadow-md: 0 8px 24px rgba(11, 29, 58, 0.10);
            --shadow-lg: 0 12px 32px rgba(11, 29, 58, 0.16);
            --font-stack: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
            --space-section: 80px;
            --space-section-mobile: 48px;
            --transition: all 0.3s ease;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-dark);
            background-color: var(--page-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }
        a:focus-visible,
        button:focus-visible {
            outline: 3px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* ===== Layout Container ===== */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        @media (max-width: 639px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 48px;
            padding: 0 28px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            border: 1px solid transparent;
            white-space: nowrap;
            line-height: 1;
        }
        .btn-primary {
            background-color: var(--accent);
            color: #fff;
            border-color: var(--accent);
        }
        .btn-primary:hover {
            background-color: var(--accent-dark);
            border-color: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(255, 107, 53, 0.25);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }
        .btn-secondary {
            background-color: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-secondary:hover {
            background-color: var(--primary-light);
            border-color: var(--primary-dark);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }
        .btn-lg {
            height: 52px;
            padding: 0 36px;
            font-size: 16px;
        }
        .btn-sm {
            height: 40px;
            padding: 0 20px;
            font-size: 14px;
        }
        .btn-block {
            width: 100%;
        }

        /* ===== Top Info Bar ===== */
        .top-info-bar {
            background-color: var(--deep-blue);
            height: 36px;
            display: flex;
            align-items: center;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.9);
        }
        .top-info-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            height: 100%;
        }
        .top-info-domain {
            font-weight: 600;
            letter-spacing: 0.5px;
            flex-shrink: 0;
            color: rgba(255, 255, 255, 0.92);
        }
        .top-info-tip {
            flex: 1;
            text-align: center;
            color: rgba(255, 255, 255, 0.7);
            overflow: hidden;
            white-space: nowrap;
            text-overflow: ellipsis;
            font-size: 12px;
        }
        .top-info-actions {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-shrink: 0;
        }
        .top-info-actions a {
            color: rgba(255, 255, 255, 0.88);
            font-size: 12px;
            text-decoration: none;
            transition: var(--transition);
            padding: 2px 4px;
        }
        .top-info-actions a:hover {
            color: #fff;
            opacity: 0.9;
        }
        @media (max-width: 639px) {
            .top-info-tip {
                display: none;
            }
            .top-info-actions {
                gap: 12px;
            }
            .top-info-domain {
                font-size: 12px;
            }
        }

        /* ===== Main Navigation ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: #fff;
            box-shadow: 0 2px 4px rgba(11, 29, 58, 0.04);
            transition: box-shadow 0.3s ease;
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-lg);
        }
        .main-nav {
            height: 72px;
            background-color: #fff;
            border-bottom: 1px solid var(--border);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 24px;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-mark {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary) 0%, #1E5AB8 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            box-shadow: 0 2px 8px rgba(42, 111, 216, 0.25);
            flex-shrink: 0;
        }
        .brand-text {
            font-size: 18px;
            font-weight: 700;
            color: var(--deep-blue);
            letter-spacing: 0.3px;
            white-space: nowrap;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex: 1;
            justify-content: center;
        }
        .nav-links li {
            margin: 0;
        }
        .nav-links a {
            display: block;
            padding: 8px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-dark);
            border-radius: 8px;
            transition: var(--transition);
            position: relative;
        }
        .nav-links a:hover {
            color: var(--primary);
            background-color: var(--primary-light);
        }
        .nav-links li.active a {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-links li.active a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 16px;
            right: 16px;
            height: 3px;
            background-color: var(--primary);
            border-radius: 3px;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-shrink: 0;
        }
        .hamburger {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background-color: transparent;
            cursor: pointer;
            padding: 0;
            position: relative;
            border: 1px solid var(--border);
        }
        .hamburger span,
        .hamburger span::before,
        .hamburger span::after {
            content: '';
            position: absolute;
            left: 10px;
            right: 10px;
            height: 2px;
            background-color: var(--deep-blue);
            border-radius: 2px;
            transition: var(--transition);
        }
        .hamburger span {
            top: 50%;
            transform: translateY(-50%);
        }
        .hamburger span::before {
            top: -8px;
        }
        .hamburger span::after {
            top: 8px;
        }
        .hamburger.open span {
            background-color: transparent;
        }
        .hamburger.open span::before {
            top: 0;
            transform: rotate(45deg);
        }
        .hamburger.open span::after {
            top: 0;
            transform: rotate(-45deg);
        }

        /* Mobile Nav Panel */
        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: 108px;
            left: 0;
            right: 0;
            background-color: #fff;
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-lg);
            z-index: 999;
            padding: 16px 24px 24px;
            max-height: calc(100vh - 120px);
            overflow-y: auto;
        }
        .mobile-nav-panel.active {
            display: block;
        }
        .mobile-nav-panel ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .mobile-nav-panel ul li {
            border-bottom: 1px solid var(--border);
        }
        .mobile-nav-panel ul li:last-child {
            border-bottom: none;
        }
        .mobile-nav-panel ul a {
            display: block;
            padding: 16px 4px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-dark);
        }
        .mobile-nav-panel ul a:hover {
            color: var(--primary);
        }
        .mobile-nav-panel ul li.active a {
            color: var(--primary);
            font-weight: 600;
        }
        .mobile-nav-actions {
            display: flex;
            gap: 12px;
            margin-top: 20px;
            padding-top: 16px;
            border-top: 1px solid var(--border);
        }
        .mobile-nav-actions .btn {
            flex: 1;
        }
        .mobile-nav-login {
            display: flex;
            gap: 20px;
            margin-top: 16px;
            font-size: 14px;
        }
        .mobile-nav-login a {
            color: var(--primary);
        }

        @media (max-width: 1023px) {
            .nav-links {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .nav-actions .btn-sm {
                display: none;
            }
            .nav-inner {
                gap: 12px;
            }
        }
        @media (max-width: 639px) {
            .brand-text {
                font-size: 15px;
            }
            .brand-mark {
                width: 32px;
                height: 32px;
                font-size: 16px;
                border-radius: 8px;
            }
            .main-nav {
                height: 64px;
            }
            .nav-inner {
                height: 64px;
            }
            .mobile-nav-panel {
                top: 100px;
            }
        }

        /* ===== Hero Section ===== */
        .hero-section {
            background-color: var(--page-bg);
            background-image:
                radial-gradient(circle at 20% 30%, rgba(42, 111, 216, 0.04) 0%, transparent 50%),
                radial-gradient(circle at 80% 70%, rgba(11, 29, 58, 0.03) 0%, transparent 40%),
                radial-gradient(circle at 50% 90%, rgba(255, 107, 53, 0.02) 0%, transparent 50%);
            padding: 64px 0 72px;
            border-bottom: 1px solid var(--border);
            position: relative;
        }
        .hero-inner {
            display: flex;
            align-items: center;
            gap: 48px;
        }
        .hero-content {
            flex: 5.5;
            padding-right: 8px;
        }
        .hero-visual {
            flex: 4.5;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 999px;
            margin-bottom: 20px;
        }
        .hero-badge i {
            font-size: 14px;
        }
        .hero-title {
            font-size: 42px;
            font-weight: 700;
            line-height: 1.25;
            color: var(--deep-blue);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .hero-title .hl-primary {
            color: var(--primary);
        }
        .hero-title .hl-accent {
            color: var(--accent);
        }
        .hero-subtitle {
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-gray);
            max-width: 480px;
            margin-bottom: 32px;
        }
        .hero-buttons {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .hero-stats-row {
            display: flex;
            gap: 28px;
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid var(--border);
        }
        .hero-stat-item {
            display: flex;
            flex-direction: column;
        }
        .hero-stat-value {
            font-size: 20px;
            font-weight: 700;
            color: var(--deep-blue);
        }
        .hero-stat-label {
            font-size: 13px;
            color: var(--text-gray);
            margin-top: 2px;
        }
        .hero-image-card {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            position: relative;
            background-color: #fff;
            border: 1px solid var(--border);
        }
        .hero-image-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 320px;
        }
        .hero-image-tag {
            position: absolute;
            bottom: 16px;
            left: 16px;
            background: rgba(11, 29, 58, 0.78);
            color: #fff;
            font-size: 13px;
            padding: 8px 16px;
            border-radius: 8px;
            backdrop-filter: none;
            letter-spacing: 0.3px;
        }
        @media (max-width: 1023px) {
            .hero-inner {
                flex-direction: column;
                gap: 32px;
            }
            .hero-content {
                flex: none;
                padding-right: 0;
                text-align: center;
            }
            .hero-subtitle {
                margin-left: auto;
                margin-right: auto;
            }
            .hero-buttons {
                justify-content: center;
            }
            .hero-stats-row {
                justify-content: center;
            }
            .hero-visual {
                flex: none;
                width: 100%;
                max-width: 640px;
            }
        }
        @media (max-width: 639px) {
            .hero-section {
                padding: 40px 0 48px;
            }
            .hero-title {
                font-size: 32px;
            }
            .hero-subtitle {
                font-size: 15px;
            }
            .hero-buttons .btn {
                width: 100%;
            }
            .hero-stats-row {
                flex-wrap: wrap;
                gap: 20px;
            }
            .hero-stat-item {
                flex: 1;
                min-width: 100px;
            }
            .hero-image-card img {
                min-height: 240px;
            }
        }

        /* ===== Section Common ===== */
        .section-block {
            padding: var(--space-section) 0;
        }
        .section-block-alt {
            background-color: #fff;
        }
        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 40px;
            flex-wrap: wrap;
            gap: 16px;
        }
        .section-title {
            font-size: 30px;
            font-weight: 600;
            color: var(--deep-blue);
            line-height: 1.3;
            position: relative;
            padding-bottom: 12px;
        }
        .section-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 48px;
            height: 3px;
            background-color: var(--primary);
            border-radius: 3px;
        }
        .section-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .section-link:hover {
            color: var(--primary-dark);
            gap: 10px;
        }
        .section-link i {
            font-size: 13px;
        }
        @media (max-width: 639px) {
            .section-block {
                padding: var(--space-section-mobile) 0;
            }
            .section-header {
                margin-bottom: 28px;
            }
            .section-title {
                font-size: 24px;
            }
        }

        /* ===== Trust Metrics Bar ===== */
        .trust-bar {
            background-color: #fff;
            border-bottom: 1px solid var(--border);
            padding: 40px 0;
        }
        .trust-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
        }
        .trust-item {
            text-align: center;
        }
        .trust-item .trust-value {
            font-size: 28px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
            font-variant-numeric: tabular-nums;
        }
        .trust-item .trust-label {
            font-size: 14px;
            color: var(--text-gray);
            margin-top: 8px;
            line-height: 1.5;
        }
        @media (max-width: 1023px) {
            .trust-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px;
            }
        }
        @media (max-width: 639px) {
            .trust-bar {
                padding: 32px 0;
            }
            .trust-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .trust-item .trust-value {
                font-size: 24px;
            }
        }

        /* ===== Hot Cards Grid ===== */
        .hot-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .hot-card {
            background-color: var(--card-bg);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: var(--transition);
            position: relative;
            display: flex;
            flex-direction: column;
        }
        .hot-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .hot-card-img-wrap {
            position: relative;
            overflow: hidden;
            height: 180px;
            background-color: var(--primary-light);
        }
        .hot-card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .hot-card:hover .hot-card-img-wrap img {
            transform: scale(1.02);
        }
        .hot-card-rank {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(11, 29, 58, 0.82);
            color: #fff;
            width: 36px;
            height: 36px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
            z-index: 2;
        }
        .hot-card-rank.top {
            background: var(--accent);
        }
        .hot-card-badge {
            position: absolute;
            top: 12px;
            right: 12px;
            background: var(--accent);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            z-index: 2;
            box-shadow: 0 2px 8px rgba(255, 107, 53, 0.3);
        }
        .hot-card-body {
            padding: 20px 20px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .hot-card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 10px;
        }
        .cat-tag {
            display: inline-flex;
            align-items: center;
            background-color: var(--primary-light);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 999px;
            line-height: 1.5;
        }
        .hot-card-date {
            font-size: 13px;
            color: var(--text-light);
        }
        .hot-card-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-dark);
            line-height: 1.4;
            margin-bottom: 8px;
            transition: var(--transition);
        }
        .hot-card:hover .hot-card-title {
            color: var(--primary);
        }
        .hot-card-excerpt {
            font-size: 14px;
            color: var(--text-gray);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 12px;
            flex: 1;
        }
        .hot-card-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .hot-card-link i {
            font-size: 12px;
            transition: transform 0.3s;
        }
        .hot-card:hover .hot-card-link i {
            transform: translateX(4px);
        }
        @media (max-width: 1023px) {
            .hot-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 639px) {
            .hot-grid {
                grid-template-columns: 1fr;
            }
            .hot-card-img-wrap {
                height: 200px;
            }
        }

        /* ===== Testimonials Orbit ===== */
        .testimonial-section {
            background-color: #fff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .orbit {
            max-width: 720px;
            margin: 0 auto;
            position: relative;
        }
        .orbit-wrapper {
            position: relative;
        }
        .orbit-container {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .orbit-slide {
            display: none;
            padding: 20px 10px;
        }
        .orbit-slide.is-active {
            display: block;
        }
        .testimonial-card {
            text-align: center;
            padding: 40px 48px;
        }
        .testimonial-stars {
            display: flex;
            justify-content: center;
            gap: 6px;
            margin-bottom: 24px;
            font-size: 20px;
            color: var(--accent);
        }
        .testimonial-text {
            font-size: 18px;
            line-height: 1.8;
            color: var(--text-dark);
            max-width: 560px;
            margin: 0 auto 28px;
            font-weight: 400;
        }
        .testimonial-author {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
        }
        .testimonial-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(42, 111, 216, 0.25);
            flex-shrink: 0;
        }
        .testimonial-author-info {
            text-align: left;
        }
        .testimonial-author-name {
            font-size: 15px;
            font-weight: 600;
            color: var(--deep-blue);
        }
        .testimonial-author-src {
            font-size: 13px;
            color: var(--text-gray);
        }
        .orbit-bullets {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin-top: 12px;
            text-align: center;
        }
        .orbit-bullets button {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background-color: #d1d9e6;
            cursor: pointer;
            transition: var(--transition);
            border: none;
            padding: 0;
        }
        .orbit-bullets button.is-active {
            background-color: var(--primary);
            width: 24px;
            border-radius: 4px;
        }
        .orbit-bullets button:hover {
            background-color: var(--primary);
        }
        .orbit-controls {
            position: absolute;
            top: 50%;
            left: -60px;
            right: -60px;
            transform: translateY(-50%);
            display: flex;
            justify-content: space-between;
            pointer-events: none;
            z-index: 2;
        }
        .orbit-controls button {
            pointer-events: auto;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: #fff;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--text-dark);
            transition: var(--transition);
        }
        .orbit-controls button:hover {
            background-color: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary);
        }
        @media (max-width: 1023px) {
            .orbit-controls {
                display: none;
            }
            .testimonial-card {
                padding: 32px 24px;
            }
        }
        @media (max-width: 639px) {
            .testimonial-text {
                font-size: 16px;
                line-height: 1.7;
            }
            .testimonial-card {
                padding: 24px 16px;
            }
        }

        /* ===== Guarantee Bar ===== */
        .guarantee-bar {
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            background-color: var(--page-bg);
        }
        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            text-align: center;
        }
        .guarantee-item {
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        .guarantee-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--primary);
            margin-bottom: 16px;
            transition: var(--transition);
        }
        .guarantee-item:hover .guarantee-icon {
            transform: scale(1.05);
            box-shadow: 0 4px 12px rgba(42, 111, 216, 0.15);
        }
        .guarantee-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--deep-blue);
            margin-bottom: 6px;
        }
        .guarantee-desc {
            font-size: 14px;
            color: var(--text-gray);
            line-height: 1.5;
            max-width: 180px;
            margin: 0 auto;
        }
        @media (max-width: 1023px) {
            .guarantee-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px;
            }
        }
        @media (max-width: 639px) {
            .guarantee-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }

        /* ===== News / CMS Section ===== */
        .news-section {
            background-color: #fff;
        }
        .news-layout {
            display: grid;
            grid-template-columns: 3fr 2fr;
            gap: 32px;
            align-items: stretch;
        }
        .news-feature {
            background-color: var(--card-bg);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .news-feature:hover {
            box-shadow: var(--shadow-md);
        }
        .news-feature-img {
            width: 100%;
            height: 280px;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .news-feature:hover .news-feature-img {
            transform: scale(1.02);
        }
        .news-feature-body {
            padding: 28px 28px 32px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-feature-body .cat-tag {
            align-self: flex-start;
            margin-bottom: 12px;
        }
        .news-feature-title {
            font-size: 22px;
            font-weight: 600;
            color: var(--text-dark);
            line-height: 1.4;
            margin-bottom: 12px;
            transition: var(--transition);
        }
        .news-feature-title a {
            color: inherit;
        }
        .news-feature-title a:hover {
            color: var(--primary);
        }
        .news-feature-excerpt {
            font-size: 15px;
            color: var(--text-gray);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-feature-date {
            font-size: 13px;
            color: var(--text-light);
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .news-item {
            display: block;
            padding: 20px 0;
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
        }
        .news-item:first-child {
            padding-top: 0;
        }
        .news-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }
        .news-item:hover {
            padding-left: 4px;
        }
        .news-item-top {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 6px;
        }
        .cat-tag-sm {
            font-size: 11px;
            padding: 2px 8px;
        }
        .news-date {
            font-size: 13px;
            color: var(--text-light);
        }
        .news-item-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
            line-height: 1.4;
            margin-bottom: 4px;
            transition: var(--transition);
        }
        .news-item:hover .news-item-title {
            color: var(--primary);
        }
        .news-item-excerpt {
            font-size: 14px;
            color: var(--text-gray);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .empty-block {
            background-color: var(--page-bg);
            border-radius: var(--radius-card);
            border: 1px dashed var(--border);
            padding: 60px 24px;
            text-align: center;
            color: var(--text-gray);
            font-size: 16px;
        }
        @media (max-width: 1023px) {
            .news-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .news-feature-img {
                height: 240px;
            }
        }
        @media (max-width: 639px) {
            .news-feature-body {
                padding: 20px;
            }
            .news-feature-title {
                font-size: 18px;
            }
            .news-feature-img {
                height: 200px;
            }
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background-color: var(--deep-blue);
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image:
                radial-gradient(circle at 15% 80%, rgba(255, 255, 255, 0.05) 0%, transparent 40%),
                radial-gradient(circle at 85% 20%, rgba(255, 107, 53, 0.05) 0%, transparent 35%),
                radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.03) 0%, transparent 50%);
            pointer-events: none;
        }
        .cta-inner {
            text-align: center;
            position: relative;
            z-index: 1;
        }
        .cta-title {
            font-size: 32px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .cta-subtitle {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 32px;
        }
        .cta-inner .btn {
            margin: 0 auto;
        }
        @media (max-width: 639px) {
            .cta-section {
                padding: 56px 0;
            }
            .cta-title {
                font-size: 24px;
            }
            .cta-subtitle {
                font-size: 14px;
                margin-bottom: 24px;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background-color: var(--deep-blue);
            padding: 64px 0 0;
            color: rgba(255, 255, 255, 0.9);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 48px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .footer-brand {
            display: flex;
            flex-direction: column;
        }
        .footer-brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .footer-brand-logo .brand-mark {
            width: 36px;
            height: 36px;
            background: var(--accent);
            box-shadow: 0 2px 8px rgba(255, 107, 53, 0.3);
        }
        .footer-brand-logo span.brand-text {
            color: #fff;
            font-size: 18px;
        }
        .footer-brand-desc {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            max-width: 300px;
        }
        .footer-col-title {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }
        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: #fff;
            padding-left: 4px;
        }
        .footer-contact {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .footer-contact p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.6;
        }
        .footer-contact a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.8);
        }
        .footer-contact a:hover {
            color: var(--accent);
        }
        .footer-subscribe {
            display: flex;
            margin-top: 4px;
        }
        .footer-subscribe input {
            flex: 1;
            height: 44px;
            padding: 0 14px;
            border-radius: 8px 0 0 8px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            font-size: 14px;
            min-width: 0;
        }
        .footer-subscribe input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-subscribe button {
            height: 44px;
            padding: 0 18px;
            border-radius: 0 8px 8px 0;
            background: var(--accent);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            border: none;
            white-space: nowrap;
        }
        .footer-subscribe button:hover {
            background: var(--accent-dark);
        }
        .footer-copyright {
            padding: 24px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
        }
        .footer-copyright .footer-domain {
            color: rgba(255, 255, 255, 0.6);
            font-weight: 500;
        }
        @media (max-width: 1023px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 639px) {
            .site-footer {
                padding-top: 48px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
                padding-bottom: 32px;
            }
            .footer-copyright {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== Focus visible ===== */
        a:focus-visible,
        button:focus-visible,
        .btn:focus-visible,
        input:focus-visible {
            outline: 3px solid var(--primary);
            outline-offset: 2px;
            border-radius: 6px;
        }

        /* ===== Foundation Overrides ===== */
        .grid-container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }
        @media (max-width: 639px) {
            .grid-container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }
        [data-whatinput='mouse'] a:focus,
        [data-whatinput='touch'] a:focus,
        button:focus {
            outline: none;
        }

        /* ===== Scrollbar (optional polish) ===== */
        ::-webkit-scrollbar {
            width: 8px;
            height: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--page-bg);
        }
        ::-webkit-scrollbar-thumb {
            background: #c1cad8;
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #9aa8bd;
        }

/* roulang page: category1 */
:root {
            --primary: #2A6FD8;
            --primary-light: #EAF1FA;
            --deep-blue: #0B1D3A;
            --accent: #FF6B35;
            --accent-hover: #E85A2A;
            --success: #1FA36A;
            --warning: #D4A853;
            --text-dark: #1F2937;
            --text-gray: #6B7280;
            --text-light: #9CA3AF;
            --border: #E5EAF0;
            --card-bg: #FFFFFF;
            --page-bg: #F5F8FC;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-sm: 0 2px 8px rgba(11, 29, 58, 0.06);
            --shadow-md: 0 8px 24px rgba(11, 29, 58, 0.10);
            --shadow-lg: 0 12px 32px rgba(11, 29, 58, 0.16);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-dark);
            background: var(--page-bg);
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            text-decoration: none;
            color: var(--primary);
            transition: color .2s ease, opacity .2s ease;
        }

        a:hover {
            opacity: .82;
        }

        ul,
        ol {
            list-style: none;
        }

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

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

        .text-center {
            text-align: center;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 46px;
            padding: 0 24px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            border: none;
            transition: all .25s ease;
            line-height: 1;
            background: transparent;
        }

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

        .btn-primary:hover {
            background: var(--accent-hover);
            color: #fff;
            opacity: 1;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255, 107, 53, 0.28);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(255, 107, 53, 0.2);
        }

        .btn-outline {
            border: 1px solid var(--primary);
            color: var(--primary);
            background: transparent;
        }

        .btn-outline:hover {
            background: var(--primary-light);
            color: var(--primary);
            opacity: 1;
            transform: translateY(-2px);
        }

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

        .btn-sm {
            height: 40px;
            padding: 0 18px;
            font-size: 14px;
        }

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

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--card-bg);
            box-shadow: 0 2px 10px rgba(11, 29, 58, 0.05);
        }

        .top-info-bar {
            background: var(--deep-blue);
            height: 36px;
            display: flex;
            align-items: center;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.92);
        }

        .top-info-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }

        .top-info-domain {
            font-weight: 600;
            letter-spacing: .5px;
        }

        .top-info-tip {
            flex: 1;
            text-align: center;
            color: rgba(255, 255, 255, 0.78);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .top-info-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            white-space: nowrap;
        }

        .top-info-actions a {
            color: rgba(255, 255, 255, 0.92);
            font-size: 12px;
            transition: color .2s ease;
        }

        .top-info-actions a:hover {
            color: #fff;
            opacity: 1;
        }

        .main-nav {
            background: #fff;
            border-bottom: 1px solid var(--border);
            transition: box-shadow .3s ease;
        }

        .main-nav.scrolled {
            box-shadow: 0 8px 24px rgba(11, 29, 58, 0.12);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 24px;
        }

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

        .brand-mark {
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 10px;
            font-size: 18px;
        }

        .brand-text {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-dark);
            letter-spacing: .3px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            justify-content: center;
        }

        .nav-links li a {
            display: block;
            padding: 8px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-dark);
            border-radius: var(--radius-sm);
            position: relative;
            transition: color .2s ease, background .2s ease;
        }

        .nav-links li a:hover {
            color: var(--primary);
            background: var(--primary-light);
            opacity: 1;
        }

        .nav-links li.active a {
            color: var(--primary);
            font-weight: 600;
            background: var(--primary-light);
        }

        .nav-links li.active a::after {
            content: "";
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            bottom: 0;
            width: 24px;
            height: 3px;
            border-radius: 2px;
            background: var(--primary);
        }

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

        .hamburger {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 40px;
            height: 40px;
            background: var(--primary-light);
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            align-items: center;
        }

        .hamburger span {
            width: 18px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: transform .25s ease;
        }

        .mobile-menu {
            display: none;
            background: #fff;
            border-top: 1px solid var(--border);
            padding: 16px 24px 24px;
            box-shadow: 0 8px 24px rgba(11, 29, 58, 0.08);
        }

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

        .mobile-menu ul li a {
            display: block;
            padding: 14px 0;
            font-size: 16px;
            color: var(--text-dark);
            border-bottom: 1px solid var(--border);
        }

        .mobile-menu ul li.active a {
            color: var(--primary);
            font-weight: 600;
        }

        .mobile-menu .btn {
            margin-top: 16px;
            width: 100%;
        }

        /* ===== Hero ===== */
        .page-hero {
            background: linear-gradient(180deg, #fff 0%, var(--page-bg) 100%);
            padding: 64px 0 72px;
            position: relative;
            overflow: hidden;
        }

        .page-hero::before {
            content: "";
            background-image: radial-gradient(rgba(42, 111, 216, 0.25) 1px, transparent 1px);
            background-size: 22px 22px;
            opacity: 0.14;
            position: absolute;
            inset: 0;
            pointer-events: none;
        }

        .hero-inner {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 48px;
        }

        .hero-text {
            flex: 1.1;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 999px;
            margin-bottom: 18px;
        }

        .hero-text h1 {
            font-size: 40px;
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-dark);
            margin-bottom: 16px;
        }

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

        .hero-desc {
            font-size: 17px;
            color: var(--text-gray);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 520px;
        }

        .hero-buttons {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hero-image {
            flex: 0.9;
        }

        .hero-image img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            width: 100%;
            height: auto;
            object-fit: cover;
        }

        /* ===== Intro Section ===== */
        .intro-section {
            background: #fff;
            padding: 80px 0;
        }

        .intro-grid {
            display: flex;
            align-items: center;
            gap: 56px;
        }

        .intro-media {
            flex: 0.9;
        }

        .intro-media img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            width: 100%;
            height: auto;
        }

        .intro-content {
            flex: 1.1;
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 10px;
        }

        .intro-content h2 {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-dark);
            margin-bottom: 18px;
        }

        .intro-content p {
            color: var(--text-gray);
            font-size: 15px;
            line-height: 1.75;
            margin-bottom: 14px;
        }

        .intro-content p strong {
            color: var(--text-dark);
        }

        .intro-points {
            margin-top: 20px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .intro-points li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            color: var(--text-dark);
            font-size: 15px;
        }

        .intro-points li i {
            color: var(--success);
            margin-top: 3px;
            font-size: 15px;
        }

        /* ===== Value Section ===== */
        .value-section {
            background: var(--page-bg);
            padding: 80px 0;
        }

        .value-grid {
            display: flex;
            align-items: center;
            gap: 56px;
        }

        .value-content {
            flex: 1.1;
        }

        .value-content h2 {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-dark);
            margin-bottom: 18px;
        }

        .value-content p {
            color: var(--text-gray);
            font-size: 15px;
            line-height: 1.75;
            margin-bottom: 24px;
        }

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

        .value-list li {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            background: #fff;
            border-radius: var(--radius-md);
            padding: 18px 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: box-shadow .25s ease, transform .25s ease;
        }

        .value-list li:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .value-icon {
            width: 44px;
            height: 44px;
            flex-shrink: 0;
            border-radius: 10px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
        }

        .value-list li h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 4px;
        }

        .value-list li p {
            font-size: 14px;
            color: var(--text-gray);
            margin: 0;
            line-height: 1.6;
        }

        .value-media {
            flex: 0.9;
        }

        .value-media img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            width: 100%;
            height: auto;
        }

        /* ===== List Section ===== */
        .list-section {
            background: #fff;
            padding: 80px 0;
        }

        .list-section .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 32px;
            gap: 24px;
            flex-wrap: wrap;
        }

        .list-section .section-head h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.3;
        }

        .list-section .section-head p {
            color: var(--text-gray);
            font-size: 14px;
            max-width: 440px;
        }

        .entry-list {
            display: flex;
            flex-direction: column;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            background: #fff;
            overflow: hidden;
        }

        .entry-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            border-bottom: 1px solid var(--border);
            transition: background .25s ease;
            gap: 16px;
        }

        .entry-item:last-child {
            border-bottom: none;
        }

        .entry-item:hover {
            background: var(--primary-light);
        }

        .entry-info {
            display: flex;
            align-items: center;
            gap: 16px;
            flex: 1;
            min-width: 0;
        }

        .entry-cat {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: 999px;
            white-space: nowrap;
        }

        .entry-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-dark);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            transition: color .2s ease;
        }

        .entry-item:hover .entry-title {
            color: var(--primary);
        }

        .entry-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }

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

        .entry-arrow {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: #fff;
            border: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 13px;
            transition: background .2s ease, color .2s ease;
        }

        .entry-item:hover .entry-arrow {
            background: var(--primary);
            color: #fff;
        }

        /* ===== Process Section ===== */
        .process-section {
            background: var(--deep-blue);
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }

        .process-section::before {
            content: "";
            background-image: radial-gradient(rgba(255, 255, 255, 0.35) 1px, transparent 1px);
            background-size: 24px 24px;
            opacity: 0.08;
            position: absolute;
            inset: 0;
            pointer-events: none;
        }

        .process-section .section-head {
            text-align: center;
            margin-bottom: 48px;
            position: relative;
            z-index: 2;
        }

        .process-section .section-head h2 {
            color: #fff;
            font-size: 30px;
            font-weight: 700;
        }

        .process-section .section-head p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 15px;
            margin-top: 8px;
        }

        .process-grid {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .process-item {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 30px 24px;
            text-align: center;
            transition: background .3s ease, transform .3s ease;
        }

        .process-item:hover {
            background: rgba(255, 255, 255, 0.10);
            transform: translateY(-4px);
        }

        .process-num {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--accent);
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            box-shadow: 0 4px 14px rgba(255, 107, 53, 0.4);
        }

        .process-item h3 {
            color: #fff;
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .process-item p {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            line-height: 1.6;
            margin: 0;
        }

        /* ===== FAQ Section ===== */
        .faq-section {
            background: var(--page-bg);
            padding: 80px 0;
        }

        .faq-section .section-head {
            text-align: center;
            margin-bottom: 40px;
        }

        .faq-section .section-head h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--text-dark);
        }

        .faq-section .section-head p {
            color: var(--text-gray);
            font-size: 15px;
            margin-top: 8px;
        }

        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }

        .accordion-item {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            margin-bottom: 12px;
            overflow: hidden;
            transition: box-shadow .25s ease;
        }

        .accordion-item:hover {
            box-shadow: var(--shadow-sm);
        }

        .accordion-title {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
            background: #fff;
            border: none;
            width: 100%;
            text-align: left;
            transition: color .2s ease;
        }

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

        .accordion-title .accordion-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            flex-shrink: 0;
            transition: transform .3s ease, background .3s ease;
        }

        .accordion-item.is-active .accordion-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }

        .accordion-content {
            display: none;
            padding: 0 24px 20px;
            font-size: 15px;
            color: var(--text-gray);
            line-height: 1.7;
        }

        .accordion-item.is-active .accordion-content {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--deep-blue);
            padding: 64px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            background-image: radial-gradient(rgba(255, 255, 255, 0.35) 1px, transparent 1px);
            background-size: 22px 22px;
            opacity: 0.08;
            position: absolute;
            inset: 0;
            pointer-events: none;
        }

        .cta-inner {
            text-align: center;
            position: relative;
            z-index: 2;
        }

        .cta-inner h2 {
            color: #fff;
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .cta-inner p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 16px;
            margin-bottom: 28px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--deep-blue);
            color: rgba(255, 255, 255, 0.8);
            padding: 64px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 0.8fr 1.2fr;
            gap: 40px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .footer-brand-logo .brand-mark {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
        }

        .footer-brand-logo .brand-text {
            color: #fff;
            font-size: 18px;
            font-weight: 700;
        }

        .footer-brand-desc {
            font-size: 14px;
            line-height: 1.7;
            opacity: 0.7;
            max-width: 320px;
        }

        .footer-col-title {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 16px;
        }

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

        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            transition: color .2s ease;
        }

        .footer-links a:hover {
            color: #fff;
            opacity: 1;
        }

        .footer-contact p {
            font-size: 14px;
            opacity: 0.7;
            margin-bottom: 12px;
        }

        .footer-subscribe {
            display: flex;
            gap: 8px;
            margin-bottom: 12px;
        }

        .footer-subscribe input {
            flex: 1;
            height: 40px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            padding: 0 14px;
            font-size: 14px;
            outline: none;
            transition: border-color .2s ease;
        }

        .footer-subscribe input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }

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

        .footer-subscribe button {
            height: 40px;
            padding: 0 18px;
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: background .25s ease;
            white-space: nowrap;
        }

        .footer-subscribe button:hover {
            background: var(--accent-hover);
        }

        .footer-contact a {
            color: rgba(255, 255, 255, 0.8);
            font-size: 14px;
        }

        .footer-contact a:hover {
            color: #fff;
        }

        .footer-copyright {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 0;
            font-size: 13px;
            opacity: 0.6;
            flex-wrap: wrap;
            gap: 8px;
        }

        .footer-copyright .footer-domain {
            font-weight: 600;
        }

        /* ===== Responsive ===== */
        @media screen and (max-width: 1023px) {
            .page-hero {
                padding: 48px 0 56px;
            }

            .hero-inner {
                gap: 32px;
            }

            .hero-text h1 {
                font-size: 34px;
            }

            .hero-desc {
                font-size: 16px;
            }

            .intro-grid,
            .value-grid {
                flex-direction: column;
                gap: 32px;
            }

            .intro-media,
            .value-media {
                flex: none;
                width: 100%;
            }

            .intro-content,
            .value-content {
                flex: none;
                width: 100%;
            }

            .process-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

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

        @media screen and (max-width: 639px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .section-padding {
                padding: 48px 0;
            }

            .top-info-tip {
                display: none;
            }

            .nav-links {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .nav-actions .btn-primary {
                display: none;
            }

            .page-hero {
                padding: 36px 0 40px;
            }

            .hero-inner {
                flex-direction: column;
                gap: 24px;
            }

            .hero-text h1 {
                font-size: 28px;
            }

            .hero-desc {
                font-size: 15px;
            }

            .hero-buttons {
                flex-direction: column;
            }

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

            .intro-section,
            .value-section,
            .list-section,
            .faq-section {
                padding: 48px 0;
            }

            .intro-content h2,
            .value-content h2,
            .list-section .section-head h2,
            .faq-section .section-head h2 {
                font-size: 24px;
            }

            .entry-item {
                flex-direction: column;
                align-items: flex-start;
                padding: 16px;
                gap: 12px;
            }

            .entry-meta {
                width: 100%;
                justify-content: space-between;
            }

            .process-section {
                padding: 48px 0;
            }

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

            .cta-section {
                padding: 48px 0;
            }

            .cta-inner h2 {
                font-size: 26px;
            }

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

            .footer-copyright {
                flex-direction: column;
                text-align: center;
            }
        }

/* roulang page: article */
:root{
  --primary:#2A6FD8;
  --primary-light:#EAF1FA;
  --primary-dark:#1D5BBF;
  --space-blue:#0B1D3A;
  --accent:#FF6B35;
  --accent-hover:#E85A2A;
  --success:#1FA36A;
  --warning:#D4A853;
  --text:#1F2937;
  --text-secondary:#6B7280;
  --border:#E5EAF0;
  --card-bg:#FFFFFF;
  --page-bg:#F5F8FC;
  --radius-card:16px;
  --radius-btn:8px;
  --radius-img:12px;
  --shadow-light:0 2px 8px rgba(11,29,58,0.06);
  --shadow-mid:0 8px 24px rgba(11,29,58,0.10);
  --shadow-heavy:0 12px 32px rgba(11,29,58,0.16);
  --container-max:1200px;
  --font-main:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{font-family:var(--font-main);color:var(--text);background:var(--page-bg);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased;}
img{max-width:100%;display:block;}
a{text-decoration:none;color:var(--primary);transition:color .2s;}
a:hover{color:var(--primary-dark);}
ul,ol{list-style:none;}
button{font-family:inherit;font-size:inherit;border:none;background:none;cursor:pointer;}
input{font-family:inherit;font-size:inherit;}
a:focus-visible,button:focus-visible,input:focus-visible,.accordion-title:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}
.container{max-width:var(--container-max);margin:0 auto;padding:0 24px;}
.btn{display:inline-flex;align-items:center;justify-content:center;height:48px;padding:0 24px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;line-height:1;transition:all .25s ease;gap:6px;border:1px solid transparent;}
.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent);}
.btn-primary:hover{background:var(--accent-hover);border-color:var(--accent-hover);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-mid);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{background:transparent;color:var(--primary);border-color:var(--primary);}
.btn-outline:hover{background:var(--primary-light);border-color:var(--primary-dark);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}

/* Header */
.site-header{position:sticky;top:0;z-index:1000;}
.top-info-bar{background:var(--space-blue);color:#fff;height:36px;display:flex;align-items:center;font-size:12px;}
.top-info-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;}
.top-info-domain{font-weight:600;letter-spacing:0.3px;color:#fff;}
.top-info-tip{color:rgba(255,255,255,0.72);}
.top-info-actions a{color:#fff;padding:0 4px;opacity:0.85;transition:opacity .2s;font-size:12px;}
.top-info-actions a+a::before{content:"|";margin:0 8px;opacity:0.4;}
.top-info-actions a:hover{opacity:1;color:#fff;}
.main-nav{background:#fff;border-bottom:1px solid var(--border);height:72px;transition:box-shadow .25s;}
.site-header.scrolled .main-nav{box-shadow:var(--shadow-heavy);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px;}
.brand-logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{width:38px;height:38px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));border-radius:10px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px;box-shadow:var(--shadow-light);}
.brand-text{font-size:20px;font-weight:700;color:var(--space-blue);letter-spacing:0.5px;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:8px;}
.nav-links li a{display:inline-flex;align-items:center;height:40px;padding:0 16px;font-size:15px;color:var(--text);border-radius:20px;transition:all .2s;position:relative;white-space:nowrap;}
.nav-links li a:hover{color:var(--primary);background:var(--primary-light);}
.nav-links li.active a{color:var(--primary);background:var(--primary-light);font-weight:600;}
.nav-links li.active a::after{content:"";position:absolute;left:50%;bottom:-2px;width:20px;height:3px;background:var(--primary);border-radius:99px;transform:translateX(-50%);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.hamburger{display:none;flex-direction:column;gap:5px;width:40px;height:40px;align-items:center;justify-content:center;border-radius:8px;transition:background .2s;}
.hamburger:hover{background:var(--primary-light);}
.hamburger span{width:18px;height:2px;background:var(--space-blue);border-radius:99px;transition:all .3s;}
.hamburger.active span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.hamburger.active span:nth-child(2){opacity:0;}
.hamburger.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.mobile-menu{display:none;background:#fff;border-top:1px solid var(--border);padding:16px 24px 24px;box-shadow:var(--shadow-heavy);}
.mobile-menu.open{display:block;}
.mobile-menu ul li a{display:block;padding:12px 16px;font-size:16px;color:var(--text);border-radius:8px;transition:all .2s;}
.mobile-menu ul li a:hover{background:var(--primary-light);color:var(--primary);}
.mobile-menu ul li.active a{color:var(--primary);font-weight:600;background:var(--primary-light);}
.mobile-menu-actions{margin-top:16px;display:flex;gap:12px;padding:0 8px;}
.mobile-menu-actions .btn{flex:1;}
@media (min-width:1024px){.mobile-menu{display:none!important;}}
@media (max-width:1023px){.nav-links{display:none;}.hamburger{display:flex;}}
@media (max-width:639px){.nav-actions .btn-primary{display:none;}.top-info-tip{display:none;}.top-info-actions a{padding:0 2px;}}

/* CMS Hidden Meta Area */
.cms-meta-area{display:none;}

/* Breadcrumb */
.breadcrumb-wrap{background:#fff;border-bottom:1px solid var(--border);padding:14px 0;}
.breadcrumb{font-size:13px;color:var(--text-secondary);display:flex;align-items:center;flex-wrap:wrap;gap:6px;}
.breadcrumb a{color:var(--text-secondary);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:#C0C8D4;}
.breadcrumb .current{color:var(--primary);font-weight:500;}

/* Article Main */
.article-main{padding:48px 0 32px;}
.article-container{max-width:860px;margin:0 auto;background:var(--card-bg);border-radius:var(--radius-card);box-shadow:var(--shadow-light);padding:48px 64px;border:1px solid var(--border);}
.article-title{font-size:32px;font-weight:700;line-height:1.35;color:var(--space-blue);margin-bottom:16px;}
.article-meta{display:flex;flex-wrap:wrap;gap:20px;padding-bottom:24px;border-bottom:1px solid var(--border);margin-bottom:32px;color:var(--text-secondary);font-size:14px;}
.article-meta i{color:var(--primary);margin-right:4px;}
.article-content{font-size:16px;line-height:1.8;color:var(--text);}
.article-content p{margin-bottom:20px;}
.article-content h2{font-size:24px;color:var(--space-blue);margin:36px 0 16px;font-weight:700;}
.article-content h3{font-size:19px;color:var(--space-blue);margin:28px 0 12px;font-weight:600;}
.article-content ul{margin:0 0 20px 24px;padding:0;}
.article-content ol{margin:0 0 20px 24px;padding:0;}
.article-content ul li{list-style:disc;margin-bottom:8px;}
.article-content ol li{list-style:decimal;margin-bottom:8px;}
.article-content blockquote{border-left:4px solid var(--primary);background:var(--primary-light);padding:16px 20px;margin:24px 0;border-radius:0 8px 8px 0;color:var(--text-secondary);}
.article-content img{border-radius:12px;margin:24px auto;box-shadow:var(--shadow-light);}
.article-content figcaption{text-align:center;font-size:13px;color:var(--text-secondary);margin-top:8px;}
.article-content a{color:var(--primary);border-bottom:1px solid rgba(42,111,216,0.3);}
.article-content code{background:var(--primary-light);padding:2px 6px;border-radius:4px;font-size:0.9em;}
.article-not-found{text-align:center;padding:60px 20px;}
.article-not-found i{font-size:40px;color:var(--primary);margin-bottom:16px;}
.article-not-found h2{font-size:24px;color:var(--space-blue);margin-bottom:12px;}
.article-not-found p{color:var(--text-secondary);margin-bottom:24px;}
.article-not-found .btn{margin:0 auto;}

/* Back Link */
.back-link-wrap{padding:0 0 8px;max-width:860px;margin:0 auto;width:100%;}
.back-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--text-secondary);padding:8px 0;transition:color .2s;}
.back-link:hover{color:var(--primary);}

/* Related Section */
.related-section{padding:56px 0 72px;}
.section-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:32px;}
.section-head h2{font-size:28px;font-weight:600;color:var(--space-blue);position:relative;padding-left:16px;line-height:1.3;}
.section-head h2::before{content:'';position:absolute;left:0;top:50%;transform:translateY(-50%);width:4px;height:22px;border-radius:99px;background:var(--primary);}
.view-all{font-size:14px;color:var(--primary);font-weight:500;display:inline-flex;align-items:center;gap:4px;}
.view-all:hover{color:var(--primary-dark);}
.related-grid .cell{display:flex;}
.related-card{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-light);transition:all .3s;display:flex;flex-direction:column;width:100%;}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-mid);}
.related-card-image{aspect-ratio:16/9;overflow:hidden;}
.related-card-image img{width:100%;height:100%;object-fit:cover;transition:transform .4s;}
.related-card:hover .related-card-image img{transform:scale(1.03);}
.related-card-body{padding:20px;display:flex;flex-direction:column;flex:1;}
.related-card-body h3{font-size:17px;font-weight:600;color:var(--space-blue);margin-bottom:8px;line-height:1.5;}
.related-card-body h3 a{color:inherit;}
.related-card-body h3 a:hover{color:var(--primary);}
.related-card-body p{font-size:14px;color:var(--text-secondary);margin-bottom:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;flex:1;}
.related-card-meta{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--text-secondary);}
.related-card-tag{background:var(--primary-light);color:var(--primary);border-radius:999px;padding:2px 10px;font-size:12px;}

/* CTA */
.cta-section{padding:0 0 72px;}
.cta-inner{background:var(--space-blue);border-radius:20px;padding:56px 48px;text-align:center;position:relative;overflow:hidden;}
.cta-inner::before{content:'';position:absolute;inset:0;background:radial-gradient(circle at 20% 30%,rgba(255,255,255,0.05) 1px,transparent 1px),radial-gradient(circle at 80% 70%,rgba(255,255,255,0.04) 1px,transparent 1px);background-size:160px 160px,220px 220px;pointer-events:none;}
.cta-inner>*{position:relative;z-index:1;}
.cta-inner h2{color:#fff;font-size:30px;margin-bottom:12px;font-weight:700;line-height:1.3;}
.cta-inner p{color:rgba(255,255,255,0.72);font-size:16px;margin-bottom:28px;}
.cta-inner .btn{font-size:16px;height:50px;padding:0 32px;}

/* FAQ */
.faq-section{padding:0 0 80px;}
.faq-section .section-head{justify-content:center;}
.faq-section .section-head h2{padding-left:0;}
.faq-section .section-head h2::before{display:none;}
.faq-list{max-width:860px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--border);background:transparent;list-style:none;}
.faq-item:first-child{border-top:1px solid var(--border);}
.faq-item-title{display:flex!important;justify-content:space-between;align-items:center;gap:16px;padding:20px 0!important;font-size:16px!important;line-height:1.5!important;font-weight:600!important;color:var(--text)!important;background:transparent!important;border:none!important;font-family:var(--font-main);width:100%;}
.faq-item-title::before{display:none!important;}
.faq-item-title:hover,.faq-item-title:focus{color:var(--primary)!important;background:transparent!important;}
.accordion-item.is-active>.accordion-title{color:var(--primary)!important;}
.faq-icon{flex-shrink:0;width:24px;height:24px;border-radius:50%;background:var(--primary-light);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:14px;transition:transform .3s,background .3s,color .3s;}
.accordion-item.is-active .faq-icon{transform:rotate(135deg);background:var(--primary);color:#fff;}
.accordion-content{border:none!important;background:transparent!important;padding:0!important;}
.faq-item-content-inner{padding:0 0 20px;font-size:15px;line-height:1.7;color:var(--text-secondary);}

/* Footer */
.site-footer{background:var(--space-blue);color:rgba(255,255,255,0.75);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:48px;padding-bottom:48px;}
.footer-brand-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand-logo .brand-text{color:#fff;font-size:18px;font-weight:700;white-space:nowrap;}
.footer-brand-desc{font-size:14px;line-height:1.7;color:rgba(255,255,255,0.6);max-width:300px;}
.footer-col-title{font-size:16px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:rgba(255,255,255,0.65);font-size:14px;transition:color .2s;}
.footer-links a:hover{color:#fff;}
.footer-contact p{font-size:14px;color:rgba(255,255,255,0.6);margin-bottom:12px;line-height:1.6;}
.footer-contact a{color:rgba(255,255,255,0.8);}
.footer-subscribe{display:flex;gap:8px;margin-bottom:8px;}
.footer-subscribe input{flex:1;height:42px;padding:0 14px;border-radius:8px;border:1px solid rgba(255,255,255,0.2);background:rgba(255,255,255,0.08);color:#fff;font-size:14px;outline:none;min-width:0;}
.footer-subscribe input::placeholder{color:rgba(255,255,255,0.4);}
.footer-subscribe input:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(42,111,216,0.2);}
.footer-subscribe button{height:42px;padding:0 18px;background:var(--accent);color:#fff;border-radius:8px;font-size:14px;font-weight:600;transition:background .2s;flex-shrink:0;}
.footer-subscribe button:hover{background:var(--accent-hover);}
.footer-copyright{border-top:1px solid rgba(255,255,255,0.1);padding:20px 0;display:flex;justify-content:space-between;font-size:13px;color:rgba(255,255,255,0.5);flex-wrap:wrap;gap:8px;}
.footer-domain{font-weight:600;}

/* Responsive */
@media (max-width:1023px){
  .article-container{padding:40px 36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .cta-inner{padding:48px 32px;}
}
@media (max-width:767px){
  .article-main{padding:24px 0 24px;}
  .article-container{padding:24px 20px;}
  .article-title{font-size:24px;}
  .article-meta{gap:12px;font-size:13px;}
  .related-section{padding:40px 0 48px;}
  .section-head h2{font-size:24px;}
  .cta-section{padding:0 0 48px;}
  .cta-inner{padding:40px 24px;}
  .cta-inner h2{font-size:24px;}
  .faq-section{padding:0 0 56px;}
}
@media (max-width:639px){
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-copyright{flex-direction:column;text-align:center;}
  .btn{width:100%;}
  .nav-actions .btn{width:auto;}
  .footer-subscribe .btn{width:auto;}
}

/* roulang page: category2 */
:root{
  --primary:#2A6FD8;
  --primary-light:#EAF1FA;
  --primary-lighter:#F5F8FC;
  --dark:#0B1D3A;
  --accent:#FF6B35;
  --accent-hover:#E85A2A;
  --success:#1FA36A;
  --warning:#D4A853;
  --text:#1F2937;
  --text-gray:#6B7280;
  --border:#E5EAF0;
  --card-bg:#FFFFFF;
  --page-bg:#F5F8FC;
  --radius-card:16px;
  --radius-sm:8px;
  --radius-img:12px;
  --shadow-sm:0 2px 8px rgba(11,29,58,0.06);
  --shadow-md:0 8px 24px rgba(11,29,58,0.10);
  --shadow-lg:0 12px 32px rgba(11,29,58,0.16);
  --font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-family);
  font-size:16px;
  line-height:1.7;
  color:var(--text);
  background:var(--page-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{text-decoration:none;color:var(--primary);transition:opacity .2s ease}
a:hover{opacity:.85}
ul,ol{list-style:none}
button,input{font-family:inherit;font-size:inherit}
.container{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  height:46px;padding:0 28px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;line-height:1;
  cursor:pointer;border:1px solid transparent;
  transition:background-color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  text-align:center;vertical-align:middle;
}
.btn:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn-primary:hover{background:var(--accent-hover);color:#fff;transform:translateY(-2px);box-shadow:0 6px 18px rgba(255,107,53,.28)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-outline{background:transparent;border-color:var(--primary);color:var(--primary)}
.btn-outline:hover{background:var(--primary-light);border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-cta{background:var(--accent);color:#fff;border-color:var(--accent);height:50px;padding:0 40px;font-size:16px}
.btn-cta:hover{background:var(--accent-hover);color:#fff;transform:translateY(-2px);box-shadow:0 8px 20px rgba(255,107,53,.35)}
.section-head{
  text-align:center;margin-bottom:40px;
}
.section-head h2{
  font-size:30px;font-weight:600;color:var(--dark);line-height:1.3;letter-spacing:.5px;
}
.section-head p{
  font-size:15px;color:var(--text-gray);margin-top:10px;max-width:560px;margin-left:auto;margin-right:auto;
}
.section-more{
  font-size:14px;font-weight:500;color:var(--primary);display:inline-flex;align-items:center;gap:6px;
}
.section-more:hover{text-decoration:underline}
/* ========== HEADER ========== */
.site-header{
  position:sticky;top:0;z-index:100;
  background:#fff;
  box-shadow:0 1px 0 rgba(11,29,58,.04);
  transition:box-shadow .25s ease;
}
.site-header.scrolled{box-shadow:var(--shadow-md)}
.top-info-bar{
  background:var(--dark);height:36px;display:flex;align-items:center;
}
.top-info-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;font-size:12px;color:rgba(255,255,255,.9);
}
.top-info-domain{font-weight:600;letter-spacing:.4px}
.top-info-tip{color:rgba(255,255,255,.75);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.top-info-actions{display:flex;gap:14px;flex-shrink:0}
.top-info-actions a{color:#fff;font-size:12px;opacity:.85;transition:opacity .2s ease}
.top-info-actions a:hover{opacity:1;text-decoration:underline}
.main-nav{
  background:#fff;height:72px;display:flex;align-items:center;
  border-bottom:1px solid var(--border);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand-logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:10px;
  background:linear-gradient(135deg,var(--primary) 0%,#1E4E9E 100%);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px;
  box-shadow:0 3px 10px rgba(42,111,216,.25);
}
.brand-text{font-size:19px;font-weight:700;color:var(--dark);letter-spacing:.5px;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:6px;margin:0}
.nav-links li{margin:0}
.nav-links a{
  display:block;padding:9px 16px;font-size:15px;font-weight:500;color:var(--text);
  border-radius:8px;transition:background-color .2s ease,color .2s ease;
}
.nav-links a:hover{background:var(--primary-light);color:var(--primary)}
.nav-links li.active a{
  color:var(--primary);font-weight:600;
  background:var(--primary-light);
  box-shadow:inset 0 -2px 0 var(--primary);
}
.nav-actions{display:flex;align-items:center;gap:12px}
.hamburger{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:42px;height:42px;border-radius:8px;border:1px solid var(--border);
  background:#fff;cursor:pointer;padding:10px;align-items:center;
}
.hamburger span{display:block;width:20px;height:2px;background:var(--dark);border-radius:2px;transition:all .3s ease}
.hamburger:hover{background:var(--primary-light)}
/* ========== HERO ========== */
.hero-section{
  background:
    radial-gradient(circle at 85% 20%, rgba(42,111,216,.05) 0, transparent 40%),
    radial-gradient(circle at 15% 80%, rgba(255,107,53,.04) 0, transparent 30%),
    #fff;
  padding:70px 0 64px;
  position:relative;
  overflow:hidden;
}
.hero-section::before{
  content:'';position:absolute;top:0;right:0;width:100%;height:100%;
  background-image:radial-gradient(circle at 20% 30%, rgba(11,29,58,.05) 1px, transparent 1px);
  background-size:22px 22px;
  opacity:1;pointer-events:none;
}
.category-hero .grid-x{align-items:center}
.hero-eyebrow{
  display:inline-block;padding:5px 14px;border-radius:999px;
  background:var(--primary-light);color:var(--primary);
  font-size:13px;font-weight:600;margin-bottom:18px;letter-spacing:.4px;
}
.hero-section h1{
  font-size:38px;font-weight:700;line-height:1.25;color:var(--dark);
  margin-bottom:18px;letter-spacing:.5px;
}
.hero-section h1 .highlight{color:var(--primary)}
.hero-section .hero-desc{
  font-size:16px;color:var(--text-gray);line-height:1.75;
  max-width:520px;margin-bottom:26px;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-image-wrap{
  position:relative;border-radius:var(--radius-card);overflow:hidden;
  background-size:cover;background-position:center;
  min-height:340px;display:flex;align-items:flex-end;
  box-shadow:var(--shadow-md);
}
.hero-image-overlay{
  position:absolute;top:0;left:0;right:0;bottom:0;
  background:linear-gradient(to top, rgba(11,29,58,.55) 0%, transparent 70%);
}
.hero-image-content{
  position:relative;padding:28px;color:#fff;z-index:2;
}
.hero-image-tag{
  display:inline-block;background:var(--accent);color:#fff;
  padding:3px 12px;border-radius:999px;font-size:12px;font-weight:600;margin-bottom:12px;
}
.hero-image-content h3{font-size:24px;font-weight:600;margin-bottom:6px;line-height:1.3}
.hero-image-content p{font-size:14px;opacity:.85}
/* ========== STATS STRIP ========== */
.stats-strip{
  padding:40px 0;background:#fff;border-bottom:1px solid var(--border);
}
.stat-item{text-align:center;padding:0 10px}
.stat-num{
  font-size:30px;font-weight:700;color:var(--accent);line-height:1.2;letter-spacing:.5px;
  font-variant-numeric:tabular-nums;
}
.stat-label{font-size:14px;color:var(--text-gray);margin-top:6px}
/* ========== FEATURE SECTION ========== */
.feature-section{padding:80px 0;background:var(--page-bg)}
.feature-grid{
  display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;
}
.feature-intro h2{
  font-size:30px;font-weight:600;color:var(--dark);line-height:1.3;margin-bottom:18px;
}
.feature-intro p{
  font-size:15px;color:var(--text-gray);line-height:1.8;margin-bottom:16px;
}
.feature-intro .highlight-text{color:var(--text);font-weight:500}
.feature-image img{
  width:100%;border-radius:var(--radius-card);box-shadow:var(--shadow-md);
  object-fit:cover;height:360px;
}
/* ========== SERVICES ========== */
.services-section{padding:80px 0;background:#fff}
.service-item{
  text-align:center;padding:24px 18px;border-radius:var(--radius-card);
  transition:transform .25s ease,box-shadow .25s ease;
}
.service-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.service-icon{
  width:60px;height:60px;border-radius:50%;
  background:var(--primary-light);color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  font-size:24px;margin:0 auto 18px;
}
.service-item h3{font-size:17px;font-weight:600;color:var(--dark);margin-bottom:8px}
.service-item p{font-size:14px;color:var(--text-gray);line-height:1.6;max-width:200px;margin:0 auto}
/* ========== PROCESS ========== */
.process-section{
  padding:80px 0;
  background:var(--dark);
  position:relative;
  overflow:hidden;
}
.process-section::before{
  content:'';position:absolute;top:0;left:0;right:0;bottom:0;
  background-image:radial-gradient(circle at 20% 30%, rgba(255,255,255,.06) 1px, transparent 1px);
  background-size:24px 24px;
  pointer-events:none;
}
.process-section .section-head h2{color:#fff}
.process-section .section-head p{color:rgba(255,255,255,.65)}
.process-steps{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;z-index:2;
}
.process-step{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);
  border-radius:var(--radius-card);padding:28px 22px;text-align:center;
  backdrop-filter:none;transition:transform .25s ease,background-color .25s ease;
}
.process-step:hover{transform:translateY(-4px);background:rgba(255,255,255,.08)}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:50%;
  background:var(--accent);color:#fff;font-weight:700;font-size:16px;
  margin-bottom:14px;
}
.process-step h3{color:#fff;font-size:17px;font-weight:600;margin-bottom:8px}
.process-step p{color:rgba(255,255,255,.6);font-size:14px;line-height:1.6}
/* ========== CONTENT LIST ========== */
.list-section{padding:80px 0;background:var(--page-bg)}
.content-list{
  max-width:860px;margin:0 auto;
  background:#fff;border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);overflow:hidden;
}
.list-item{
  display:flex;align-items:center;gap:16px;
  padding:18px 24px;border-bottom:1px solid var(--border);
  transition:background-color .2s ease,transform .2s ease;
}
.list-item:last-child{border-bottom:none}
.list-item:hover{background:var(--primary-lighter)}
.list-item .list-title{
  flex:1;font-size:15px;font-weight:500;color:var(--text);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.list-item:hover .list-title{color:var(--primary)}
.list-item .list-date{font-size:13px;color:var(--text-gray);flex-shrink:0}
.list-item .list-arrow{color:var(--primary);font-size:16px;flex-shrink:0}
/* ========== FAQ ========== */
.faq-section{padding:80px 0;background:#fff}
.faq-accordion{
  max-width:860px;margin:0 auto;
}
.faq-accordion .accordion-item{
  border:none;border-bottom:1px solid var(--border);background:transparent;
}
.faq-accordion .accordion-title{
  font-size:16px;font-weight:600;color:var(--dark);
  padding:20px 40px 20px 0;line-height:1.5;
  border:none;background:transparent;position:relative;
}
.faq-accordion .accordion-title:hover{color:var(--primary)}
.faq-accordion .accordion-title::before{
  content:'';position:absolute;right:8px;top:50%;transform:translateY(-50%);
  width:18px;height:18px;
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232A6FD8' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M6 12h12M12 6v12'/%3E%3C/svg%3E") center/contain no-repeat;
  transition:transform .3s ease;
}
.faq-accordion .accordion-item.is-active .accordion-title::before{
  transform:translateY(-50%) rotate(45deg);
}
.faq-accordion .accordion-content{
  background:transparent;color:var(--text-gray);
  font-size:15px;line-height:1.75;padding:0 0 20px;border:none;
}
.faq-accordion .accordion-content p{margin-bottom:10px}
.faq-accordion .accordion-content p:last-child{margin-bottom:0}
/* ========== CTA ========== */
.cta-section{
  padding:80px 0;background:var(--dark);position:relative;overflow:hidden;
}
.cta-section::before{
  content:'';position:absolute;top:0;right:0;left:0;bottom:0;
  background-image:radial-gradient(circle at 20% 30%, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size:22px 22px;pointer-events:none;
}
.cta-inner{
  position:relative;z-index:2;text-align:center;max-width:640px;margin:0 auto;
}
.cta-inner h2{
  color:#fff;font-size:32px;font-weight:600;line-height:1.3;margin-bottom:14px;
}
.cta-inner p{
  color:rgba(255,255,255,.75);font-size:16px;line-height:1.7;margin-bottom:26px;
}
/* ========== FOOTER ========== */
.site-footer{
  background:var(--dark);color:rgba(255,255,255,.8);
  padding:60px 0 0;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.4fr;gap:40px;
  padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand-logo{
  display:flex;align-items:center;gap:10px;margin-bottom:14px;
}
.footer-brand-logo .brand-text{
  color:#fff;font-size:18px;font-weight:700;
}
.footer-brand-logo .brand-mark{
  width:34px;height:34px;border-radius:10px;background:var(--primary);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:15px;
}
.footer-brand-desc{
  font-size:14px;line-height:1.7;color:rgba(255,255,255,.6);max-width:300px;
}
.footer-col-title{
  color:#fff;font-size:16px;font-weight:600;margin-bottom:18px;
}
.footer-links li{margin-bottom:10px}
.footer-links a{color:rgba(255,255,255,.65);font-size:14px;transition:color .2s ease}
.footer-links a:hover{color:#fff}
.footer-contact p{font-size:14px;color:rgba(255,255,255,.6);margin-bottom:12px;line-height:1.7}
.footer-contact a{color:rgba(255,255,255,.65)}
.footer-contact a:hover{color:#fff}
.footer-subscribe{
  display:flex;gap:8px;margin-bottom:10px;
}
.footer-subscribe input{
  flex:1;height:42px;padding:0 14px;border-radius:8px;
  border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.08);
  color:#fff;font-size:14px;min-width:0;
}
.footer-subscribe input::placeholder{color:rgba(255,255,255,.4)}
.footer-subscribe input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(42,111,216,.2)}
.footer-subscribe button{
  height:42px;padding:0 20px;border-radius:8px;
  background:var(--accent);color:#fff;border:none;font-size:14px;font-weight:600;
  cursor:pointer;transition:background-color .2s ease;
}
.footer-subscribe button:hover{background:var(--accent-hover)}
.footer-copyright{
  display:flex;justify-content:space-between;align-items:center;
  padding:20px 0;font-size:13px;color:rgba(255,255,255,.5);
  flex-wrap:wrap;gap:8px;
}
.footer-domain{color:rgba(255,255,255,.7);font-weight:500}
/* ========== RESPONSIVE ========== */
@media screen and (max-width:1023px){
  .hero-section{padding:50px 0 44px}
  .hero-section h1{font-size:32px}
  .feature-grid{grid-template-columns:1fr;gap:32px}
  .feature-image img{height:280px}
  .process-steps{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .top-info-tip{display:none}
}
@media screen and (max-width:639px){
  .container{padding-left:16px;padding-right:16px}
  .hero-section h1{font-size:28px;line-height:1.3}
  .hero-desc{font-size:15px}
  .hero-actions .btn{width:100%}
  .hero-image-wrap{min-height:240px}
  .section-head h2{font-size:24px}
  .process-steps{grid-template-columns:1fr}
  .process-section,.feature-section,.services-section,.list-section,.faq-section,.cta-section{padding:48px 0}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-copyright{flex-direction:column;text-align:center}
  .nav-links{
    display:none;
    position:absolute;top:120px;left:0;right:0;
    background:#fff;flex-direction:column;padding:16px;gap:4px;
    box-shadow:var(--shadow-lg);border-top:1px solid var(--border);
    border-radius:0 0 16px 16px;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:14px 16px;font-size:16px}
  .hamburger{display:flex}
  .nav-actions .btn-sm{display:none}
  .top-info-actions a{font-size:11px}
  .stat-num{font-size:24px}
  .list-item{padding:15px 18px;flex-wrap:wrap;gap:8px}
  .list-item .list-title{white-space:normal;font-size:14px}
  .list-item .list-date{font-size:12px}
  .cta-inner h2{font-size:26px}
  .cta-inner .btn-cta{width:100%}
}
@media screen and (max-width:374px){
  .brand-text{font-size:16px}
  .brand-mark{width:32px;height:32px;font-size:14px}
}

/* roulang page: category3 */
:root {
            --primary: #2A6FD8;
            --primary-light: #EAF1FA;
            --dark: #0B1D3A;
            --accent: #FF6B35;
            --success: #1FA36A;
            --warn: #D4A853;
            --text: #1F2937;
            --text-light: #6B7280;
            --border: #E5EAF0;
            --card-bg: #FFFFFF;
            --page-bg: #F5F8FC;
            --radius-card: 16px;
            --radius-btn: 8px;
            --radius-img: 12px;
            --shadow-sm: 0 2px 8px rgba(11, 29, 58, 0.06);
            --shadow-md: 0 8px 24px rgba(11, 29, 58, 0.10);
            --shadow-lg: 0 12px 32px rgba(11, 29, 58, 0.16);
            --container: 1200px;
        }

        * {
            box-sizing: border-box;
        }

        html,
        body {
            margin: 0;
            padding: 0;
            background: var(--page-bg);
        }

        body {
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
            color: var(--text);
            line-height: 1.7;
            font-size: 15px;
        }

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

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

        a:hover {
            color: #1E5BB8;
        }

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

        button,
        input {
            font-family: inherit;
        }

        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-btn);
            font-weight: 600;
            line-height: 1;
            border: 0;
            cursor: pointer;
            transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
        }

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

        .btn-primary:hover {
            background: #E85A2A;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

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

        .btn-secondary {
            background: var(--primary-light);
            color: var(--primary);
        }

        .btn-secondary:hover {
            background: #DCE8F8;
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }

        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.65);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: #fff;
            color: #fff;
        }

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

        .btn-md {
            height: 44px;
            padding: 0 22px;
            font-size: 15px;
        }

        .btn-sm {
            height: 40px;
            padding: 0 18px;
            font-size: 14px;
        }

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

        .section-tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            margin-bottom: 14px;
        }

        .section-tag.center {
            display: table;
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #fff;
            transition: box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-lg);
        }

        .top-info-bar {
            background: var(--dark);
            color: #fff;
            height: 36px;
            display: flex;
            align-items: center;
            font-size: 12px;
        }

        .top-info-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .top-info-domain {
            font-weight: 600;
            letter-spacing: 0.3px;
        }

        .top-info-tip {
            opacity: 0.85;
        }

        .top-info-actions a {
            color: rgba(255, 255, 255, 0.85);
            margin-left: 12px;
            font-weight: 500;
        }

        .top-info-actions a:hover {
            color: #fff;
        }

        .main-nav {
            height: 72px;
            background: #fff;
            display: flex;
            align-items: center;
            border-bottom: 1px solid var(--border);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .brand-mark {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), #1E5BB8);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            flex-shrink: 0;
        }

        .brand-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--dark);
            white-space: nowrap;
        }

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

        .nav-links>li a {
            display: inline-block;
            padding: 8px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            border-radius: 999px;
            transition: all 0.2s ease;
        }

        .nav-links>li a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

        .nav-links>li.active a {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }

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

        .hamburger {
            display: none;
            width: 44px;
            height: 44px;
            background: transparent;
            border: 1px solid var(--border);
            border-radius: 8px;
            position: relative;
            cursor: pointer;
            padding: 0;
        }

        .hamburger span {
            position: absolute;
            left: 12px;
            right: 12px;
            top: 50%;
            height: 2px;
            background: var(--dark);
            transform: translateY(-50%);
            transition: background 0.3s ease;
        }

        .hamburger span::before,
        .hamburger span::after {
            content: '';
            position: absolute;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--dark);
            transition: all 0.3s ease;
        }

        .hamburger span::before {
            top: -7px;
        }

        .hamburger span::after {
            top: 7px;
        }

        body.nav-open .hamburger span {
            background: transparent;
        }

        body.nav-open .hamburger span::before {
            top: 0;
            transform: rotate(45deg);
        }

        body.nav-open .hamburger span::after {
            top: 0;
            transform: rotate(-45deg);
        }

        /* ===== Hero ===== */
        .hero-sec {
            background: var(--dark);
            color: #fff;
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }

        .hero-sec::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image:
                radial-gradient(circle at 18% 32%, rgba(255, 255, 255, 0.05) 0, transparent 2px),
                radial-gradient(circle at 62% 58%, rgba(255, 255, 255, 0.04) 0, transparent 2px),
                radial-gradient(circle at 84% 24%, rgba(255, 255, 255, 0.05) 0, transparent 2px),
                radial-gradient(circle at 38% 78%, rgba(255, 255, 255, 0.04) 0, transparent 2px);
            pointer-events: none;
            opacity: 0.5;
        }

        .hero-sec .container {
            position: relative;
            z-index: 1;
        }

        .breadcrumb {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 14px;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.8);
        }

        .breadcrumb a:hover {
            color: #fff;
        }

        .breadcrumb span.sep {
            color: rgba(255, 255, 255, 0.5);
            margin: 0 6px;
        }

        .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.16);
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 13px;
            color: #DCE8F8;
            margin-bottom: 16px;
        }

        .hero-copy h1 {
            font-size: 42px;
            line-height: 1.25;
            font-weight: 700;
            color: #fff;
            margin: 0 0 18px;
        }

        .hero-copy .highlight {
            color: var(--accent);
        }

        .hero-sub {
            font-size: 17px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.82);
            max-width: 520px;
            margin: 0 0 28px;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 28px;
        }

        .hero-points {
            display: flex;
            gap: 18px;
            flex-wrap: wrap;
        }

        .hero-points li {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.78);
        }

        .hero-points i {
            color: var(--success);
        }

        .hero-media img {
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-lg);
            width: 100%;
            height: auto;
        }

        /* ===== Assure ===== */
        .assure-sec {
            background: var(--page-bg);
            padding: 60px 0;
            border-bottom: 1px solid var(--border);
        }

        .assure-item {
            text-align: center;
            padding: 20px 10px;
        }

        .assure-icon {
            width: 56px;
            height: 56px;
            margin: 0 auto 14px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 22px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .assure-item h3 {
            font-size: 16px;
            font-weight: 600;
            margin: 0 0 6px;
        }

        .assure-item p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.6;
            margin: 0 auto;
            max-width: 180px;
        }

        /* ===== Content Split ===== */
        .content-split {
            padding: 80px 0;
            background: #fff;
        }

        .content-split+.content-split {
            border-top: 1px solid var(--border);
        }

        .split-media img {
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-md);
            width: 100%;
            height: auto;
        }

        .split-copy h2,
        .flow-sec h2,
        .faq-sec h2,
        .cta-inner h2 {
            font-size: 30px;
            line-height: 1.3;
            font-weight: 600;
            margin: 0 0 16px;
            color: var(--text);
        }

        .split-copy p {
            color: var(--text-light);
            font-size: 15px;
            line-height: 1.8;
            margin: 0 0 14px;
        }

        .split-copy .btn-md {
            margin-top: 8px;
        }

        /* ===== Flow ===== */
        .flow-sec {
            background: var(--page-bg);
            padding: 80px 0;
            text-align: center;
        }

        .flow-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 40px;
            text-align: left;
        }

        .flow-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            transition: transform 0.25s ease, box-shadow 0.25s ease;
        }

        .flow-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }

        .flow-num {
            font-size: 32px;
            font-weight: 800;
            color: var(--primary-light);
            display: block;
            margin-bottom: 10px;
            font-variant-numeric: tabular-nums;
        }

        .flow-item h3 {
            font-size: 18px;
            font-weight: 600;
            margin: 0 0 8px;
        }

        .flow-item p {
            font-size: 14px;
            color: var(--text-light);
            margin: 0;
            line-height: 1.7;
        }

        /* ===== Update List ===== */
        .update-list {
            margin-top: 22px;
        }

        .update-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 14px 16px;
            border: 1px solid var(--border);
            border-radius: 12px;
            background: #fff;
            margin-bottom: 10px;
            transition: all 0.25s ease;
        }

        .update-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
            transform: translateX(4px);
        }

        .update-date {
            font-size: 13px;
            color: var(--text-light);
            min-width: 88px;
            font-variant-numeric: tabular-nums;
        }

        .update-title {
            flex: 1;
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
        }

        .update-arrow {
            color: var(--primary);
            font-size: 14px;
        }

        /* ===== FAQ ===== */
        .faq-sec {
            padding: 80px 0;
            background: #fff;
        }

        .faq-sec .grid-container {
            max-width: 900px;
            margin: 36px auto 0;
        }

        .accordion {
            max-width: 860px;
            margin: 36px auto 0;
        }

        .accordion-item {
            border: 0;
            border-bottom: 1px solid var(--border);
            background: transparent;
            margin: 0;
        }

        .accordion-title {
            background: transparent;
            border: 0;
            padding: 20px 40px 20px 0;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.5;
            position: relative;
            transition: color 0.2s ease;
        }

        .accordion-title:hover,
        .accordion-title:focus {
            background: transparent;
            color: var(--primary);
        }

        .accordion-item.is-active .accordion-title {
            color: var(--primary);
        }

        .accordion-title::before,
        .accordion-title::after {
            content: '';
            position: absolute;
            right: 0;
            top: 50%;
            width: 14px;
            height: 2px;
            background: var(--dark);
            transition: all 0.25s ease;
            transform: translateY(-50%);
        }

        .accordion-title::after {
            transform: translateY(-50%) rotate(90deg);
        }

        .accordion-item.is-active .accordion-title::after {
            transform: translateY(-50%) rotate(0deg);
        }

        .accordion-title:hover::before,
        .accordion-title:hover::after,
        .accordion-item.is-active .accordion-title::before,
        .accordion-item.is-active .accordion-title::after {
            background: var(--primary);
        }

        .accordion-content {
            background: transparent;
            border: 0;
            color: var(--text-light);
            font-size: 15px;
            line-height: 1.8;
            padding: 0 32px 20px 0;
        }

        /* ===== CTA ===== */
        .cta-sec {
            padding: 80px 0;
        }

        .cta-inner {
            background: var(--dark);
            border-radius: 20px;
            padding: 64px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-inner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image:
                radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.05) 0, transparent 2px),
                radial-gradient(circle at 70% 60%, rgba(255, 255, 255, 0.04) 0, transparent 2px),
                radial-gradient(circle at 85% 25%, rgba(255, 255, 255, 0.05) 0, transparent 2px);
            pointer-events: none;
            opacity: 0.5;
        }

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

        .cta-inner h2 {
            color: #fff;
            font-size: 32px;
        }

        .cta-inner p {
            color: rgba(255, 255, 255, 0.8);
            max-width: 600px;
            margin: 0 auto 28px;
            font-size: 16px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark);
            color: #E6EDF7;
            padding-top: 64px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.4fr;
            gap: 40px;
            padding-bottom: 48px;
        }

        .footer-brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 14px;
        }

        .footer-brand-desc {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.7;
            margin: 0;
            max-width: 280px;
        }

        .footer-col-title {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin: 0 0 16px;
        }

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

        .footer-links a {
            color: rgba(255, 255, 255, 0.72);
            font-size: 14px;
            transition: all 0.2s ease;
        }

        .footer-links a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .footer-contact p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin: 0 0 12px;
        }

        .footer-subscribe {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .footer-subscribe input {
            flex: 1;
            height: 42px;
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            padding: 0 14px;
            font-size: 14px;
            outline: none;
            min-width: 0;
        }

        .footer-subscribe input::placeholder {
            color: rgba(255, 255, 255, 0.55);
        }

        .footer-subscribe input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(42, 111, 216, 0.2);
        }

        .footer-subscribe button {
            height: 42px;
            padding: 0 18px;
            border: 0;
            border-radius: 8px;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s ease, transform 0.2s ease;
        }

        .footer-subscribe button:hover {
            background: #E85A2A;
            transform: translateY(-1px);
        }

        .sub-msg {
            flex-basis: 100%;
            display: block;
            margin-top: 6px;
            color: var(--success);
            font-size: 13px;
        }

        .footer-copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-copyright .footer-domain {
            font-weight: 600;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1023px) {
            .hero-copy h1 {
                font-size: 36px;
            }

            .split-copy h2,
            .flow-sec h2,
            .faq-sec h2,
            .cta-inner h2 {
                font-size: 28px;
            }

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

        @media (max-width: 639px) {
            .top-info-tip {
                display: none;
            }

            .main-nav {
                height: 64px;
            }

            .brand-text {
                font-size: 18px;
            }

            .nav-links {
                position: fixed;
                top: 100px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                padding: 16px;
                gap: 4px;
                box-shadow: var(--shadow-lg);
                transform: translateY(-130%);
                transition: transform 0.3s ease;
                z-index: 998;
                border-bottom: 1px solid var(--border);
            }

            .nav-links.open {
                transform: translateY(0);
            }

            .nav-links>li a {
                display: block;
                padding: 14px 16px;
                font-size: 16px;
                border-radius: 10px;
            }

            .hamburger {
                display: block;
            }

            .hero-sec {
                padding: 48px 0;
            }

            .hero-copy h1 {
                font-size: 32px;
            }

            .hero-sub {
                font-size: 15px;
            }

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

            .hero-points {
                flex-direction: column;
                gap: 8px;
            }

            .content-split {
                padding: 48px 0;
            }

            .split-copy {
                margin-top: 24px;
            }

            .assure-sec {
                padding: 40px 0;
            }

            .flow-sec,
            .faq-sec {
                padding: 48px 0;
            }

            .flow-grid {
                grid-template-columns: 1fr;
                gap: 16px;
                margin-top: 28px;
            }

            .update-item {
                flex-wrap: wrap;
                gap: 8px;
            }

            .update-date {
                min-width: auto;
            }

            .cta-sec {
                padding: 48px 0;
            }

            .cta-inner {
                padding: 40px 24px;
            }

            .cta-inner h2 {
                font-size: 26px;
            }

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

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