/* roulang page: index */
:root {
            --primary: #2F6FED;
            --primary-light: #4D8DFF;
            --primary-bg: #EAF2FF;
            --page-bg: #F5F9FE;
            --card-bg: #FFFFFF;
            --deep-dark: #0B1F3B;
            --accent-orange: #FF9E3C;
            --accent-orange-hover: #EC7E10;
            --teal: #00A88F;
            --error: #D64541;
            --text-main: #183057;
            --text-secondary: #45607F;
            --text-weak: #7E95AD;
            --border-line: #DCE8FA;
            --radius-btn: 9px;
            --radius-card: 16px;
            --radius-container: 20px;
            --shadow-card: 0 4px 16px rgba(24, 48, 87, 0.06);
            --shadow-hover: 0 16px 40px rgba(24, 48, 87, 0.12);
            --shadow-cta: 0 8px 20px rgba(255, 158, 60, 0.28);
            --font-stack: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Segoe UI", sans-serif;
            --space-section: clamp(64px, 8vw, 100px);
        }

        *, *::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-main);
            background: var(--page-bg);
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s ease;
        }

        img {
            max-width: 100%;
            display: block;
            border-radius: var(--radius-card);
        }

        ul, ol {
            list-style: none;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 32px;
            padding-right: 32px;
        }

        .section {
            padding-top: var(--space-section);
            padding-bottom: var(--space-section);
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-bg);
            padding: 6px 14px;
            border-radius: 100px;
            letter-spacing: 0.2px;
        }

        .section-title {
            font-size: clamp(26px, 2.6vw, 36px);
            font-weight: 700;
            color: var(--text-main);
            margin: 16px 0 12px;
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            margin-bottom: 40px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-family: inherit;
            font-size: 16px;
            font-weight: 600;
            line-height: 1;
            padding: 14px 26px;
            border: none;
            border-radius: var(--radius-btn);
            cursor: pointer;
            transition: all 0.25s ease;
            text-decoration: none;
            white-space: nowrap;
        }
        .btn i {
            font-size: 14px;
        }

        .btn-primary {
            background: var(--accent-orange);
            color: #fff;
            box-shadow: var(--shadow-cta);
        }
        .btn-primary:hover {
            background: var(--accent-orange-hover);
            transform: translateY(-2px);
            color: #fff;
            box-shadow: 0 12px 28px rgba(236, 126, 16, 0.35);
        }
        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-secondary {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }
        .btn-secondary:hover {
            background: var(--primary-bg);
            transform: translateY(-2px);
            color: var(--primary);
        }

        .btn-light {
            background: #fff;
            color: var(--deep-dark);
        }
        .btn-light:hover {
            background: var(--primary-bg);
            color: var(--primary);
            transform: translateY(-2px);
        }

        .btn-block-mobile {
            min-height: 46px;
        }

        @media (max-width: 768px) {
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            * {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
            }
            html {
                scroll-behavior: auto;
            }
        }

        /* ========== Header ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(245, 249, 254, 0.88);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-line);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 76px;
            gap: 20px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            font-weight: 800;
            color: #fff;
            box-shadow: 0 4px 12px rgba(47, 111, 237, 0.3);
        }
        .logo-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

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

        .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 10px 20px;
            border-radius: 100px;
            transition: all 0.25s ease;
            white-space: nowrap;
        }
        .nav-link:hover {
            color: var(--primary);
            background: var(--primary-bg);
        }
        .nav-link.active {
            color: var(--primary);
            background: var(--primary-bg);
            font-weight: 600;
        }

        .nav-cta {
            margin-left: 14px;
            padding: 12px 22px;
            font-size: 15px;
        }

        .hamburger {
            display: none;
            width: 44px;
            height: 44px;
            border: none;
            background: var(--primary-bg);
            border-radius: 12px;
            font-size: 20px;
            color: var(--primary);
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: all 0.2s ease;
        }
        .hamburger:hover {
            background: #d7e5fb;
        }

        @media (max-width: 991px) {
            .nav-menu-wrap {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .nav-menu-wrap.open {
                display: flex;
                position: fixed;
                top: 76px;
                left: 0;
                right: 0;
                bottom: 0;
                background: rgba(245, 249, 254, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 32px 40px;
                gap: 8px;
                z-index: 999;
                overflow-y: auto;
            }
            .nav-menu-wrap.open .nav-menu {
                flex-direction: column;
                align-items: stretch;
                gap: 8px;
            }
            .nav-menu-wrap.open .nav-link {
                font-size: 20px;
                padding: 16px 0;
                border-radius: 12px;
                display: flex;
            }
            .nav-menu-wrap.open .nav-cta {
                margin-left: 0;
                justify-content: center;
                font-size: 17px;
                padding: 16px 22px;
                margin-top: 16px;
                width: 100%;
            }
        }

        @media (max-width: 480px) {
            .logo-text {
                font-size: 18px;
            }
            .logo-icon {
                width: 40px;
                height: 40px;
                font-size: 21px;
            }
        }

        /* ========== Hero ========== */
        .hero {
            position: relative;
            background: var(--primary-bg);
            padding: 60px 0 70px;
            overflow: hidden;
        }

        .hero-inner {
            display: grid;
            grid-template-columns: 1.05fr 0.95fr;
            gap: 60px;
            align-items: center;
            min-height: 540px;
            position: relative;
        }

        .hero:before {
            content: "";
            position: absolute;
            top: -90px;
            right: -110px;
            width: 400px;
            height: 400px;
            background: rgba(77, 141, 255, 0.1);
            border-radius: 50%;
            filter: blur(20px);
        }

        .hero:after {
            content: "";
            position: absolute;
            bottom: -150px;
            left: -80px;
            width: 320px;
            height: 320px;
            background: rgba(255, 158, 60, 0.08);
            border-radius: 50%;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            border: 1px solid var(--border-line);
            color: var(--primary);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 18px;
            border-radius: 100px;
            margin-bottom: 24px;
            box-shadow: var(--shadow-card);
        }

        .hero h1 {
            font-size: clamp(34px, 4vw, 48px);
            font-weight: 800;
            color: var(--text-main);
            line-height: 1.18;
            margin-bottom: 18px;
        }
        .hero h1 span {
            color: var(--primary);
        }

        .hero-desc {
            font-size: 17px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 30px;
            max-width: 520px;
        }

        .hero-buttons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 36px;
        }

        .hero-trust {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
        }
        .trust-item {
            display: flex;
            align-items: center;
            gap: 7px;
            font-size: 14px;
            color: var(--text-secondary);
        }
        .trust-item i {
            color: var(--teal);
        }

        .hero-visual {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            min-height: 400px;
        }

        .hero-image {
            border-radius: 22px;
            box-shadow: 0 24px 48px rgba(24, 48, 87, 0.18);
            width: 100%;
            max-height: 460px;
            object-fit: cover;
        }

        .hero-card-float {
            position: absolute;
            background: #fff;
            border-radius: 16px;
            box-shadow: var(--shadow-hover);
            padding: 16px 20px;
            display: flex;
            align-items: center;
            gap: 12px;
            border: 1px solid #fff;
        }
        .hero-card-float-1 {
            top: 12%;
            left: -22px;
        }
        .hero-card-float-2 {
            bottom: 10%;
            right: -10px;
        }
        .float-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: var(--teal);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
        }
        .float-icon.orange {
            background: var(--accent-orange);
        }
        .float-text .float-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
            line-height: 1.3;
        }
        .float-text .float-sub {
            font-size: 12px;
            color: var(--text-weak);
        }

        @media (max-width: 1024px) {
            .hero-inner {
                gap: 40px;
            }
            .hero-card-float-1 {
                left: -6px;
            }
            .hero-card-float-2 {
                right: -4px;
            }
        }

        @media (max-width: 991px) {
            .hero {
                padding-top: 48px;
            }
            .hero-inner {
                grid-template-columns: 1fr;
                min-height: auto;
            }
            .hero h1 {
                font-size: clamp(32px, 6vw, 44px);
            }
            .hero-visual {
                min-height: 340px;
            }
        }

        @media (max-width: 600px) {
            .hero-buttons {
                gap: 10px;
                flex-direction: column;
            }
            .hero-buttons .btn {
                width: 100%;
            }
            .hero-card-float-1 {
                top: 4%;
                left: -4px;
                padding: 12px 14px;
            }
            .hero-card-float-2 {
                bottom: 2%;
                right: -4px;
                padding: 12px 14px;
            }
        }

        /* ========== Tiers (优惠阶梯) ========== */
        .tiers {
            background: var(--page-bg);
        }
        .tiers-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            align-items: end;
        }
        .tier-card {
            background: var(--card-bg);
            border-radius: 18px;
            border: 1px solid var(--border-line);
            box-shadow: var(--shadow-card);
            padding: 36px 32px 28px;
            transition: all 0.3s ease;
            position: relative;
        }
        .tier-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .tier-card:nth-child(1) {
            padding-top: 42px;
        }
        .tier-card:nth-child(2) {
            padding-top: 52px;
        }
        .tier-card:nth-child(3) {
            background: linear-gradient(160deg, #f8faff, #eaf2ff 80%);
            border: 1px solid #caddfb;
            padding-top: 60px;
            box-shadow: 0 8px 24px rgba(47, 111, 237, 0.12);
        }
        .tier-card:nth-child(3)::after {
            content: "推荐";
            position: absolute;
            top: 0;
            right: 32px;
            transform: translateY(-50%);
            background: var(--accent-orange);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            padding: 6px 18px;
            border-radius: 100px;
        }
        .tier-num {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            background: var(--primary);
            width: 44px;
            height: 44px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 24px;
        }
        .tier-card:nth-child(2) .tier-num {
            background: var(--primary-light);
        }
        .tier-card:nth-child(3) .tier-num {
            background: var(--accent-orange);
            box-shadow: 0 6px 12px rgba(255, 158, 60, 0.35);
        }
        .tier-name {
            font-size: 21px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 10px;
        }
        .tier-desc {
            font-size: 15px;
            color: var(--text-secondary);
            margin-bottom: 20px;
            line-height: 1.7;
        }
        .tier-points {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-bottom: 24px;
            min-height: 78px;
        }
        .tier-point {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: 14px;
            color: var(--text-main);
            line-height: 1.5;
        }
        .tier-point i {
            color: var(--teal);
            margin-top: 3px;
        }
        .tier-link-wrap {
            display: flex;
            align-items: center;
            min-height: 42px;
        }
        .tier-card a {
            font-size: 15px;
            font-weight: 600;
            display: inline-flex;
        }
        .tier-card:nth-child(1) a {
            color: var(--primary);
            border-bottom: 1px dashed var(--primary-light);
            padding-bottom: 3px;
        }
        .tier-card:nth-child(2) a {
            background: var(--primary-bg);
            color: var(--primary);
            padding: 10px 20px;
            border-radius: 9px;
            transition: all 0.25s ease;
        }
        .tier-card:nth-child(2) a:hover {
            background: #d4e5ff;
        }
        .tier-card:nth-child(3) a {
            background: var(--accent-orange);
            color: #fff;
            padding: 11px 26px;
            border-radius: 9px;
            box-shadow: var(--shadow-cta);
            transition: all 0.25s ease;
        }
        .tier-card:nth-child(3) a:hover {
            background: var(--accent-orange-hover);
            transform: translateY(-2px);
            color: #fff;
        }

        @media (max-width: 1024px) {
            .tier-points {
                min-height: auto;
            }
        }
        @media (max-width: 900px) {
            .tiers-grid {
                grid-template-columns: 1fr;
                gap: 20px;
                align-items: stretch;
            }
            .tier-card:nth-child(3) {
                padding-top: 52px;
            }
        }

        /* ========== Compare ========== */
        .compare-section {
            background: var(--page-bg);
            padding-top: 0;
        }
        .compare-wrap {
            background: var(--card-bg);
            border-radius: 22px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-line);
            padding: 32px;
        }
        .compare-table {
            width: 100%;
            border-collapse: collapse;
        }
        .compare-table th,
        .compare-table td {
            text-align: left;
            padding: 16px 20px;
            border-bottom: 1px solid #edf3fd;
            font-size: 15px;
        }
        .compare-table th {
            font-size: 17px;
        }
        .compare-table tbody tr:last-child th,
        .compare-table tbody tr:last-child td {
            border-bottom: none;
        }
        .compare-table tbody tr:hover {
            background: #f8fafd;
        }
        .compare-table th:first-child {
            font-weight: 400;
            color: var(--text-secondary);
        }
        .col-standard,
        .col-member {
            color: var(--text-main);
            font-weight: 500;
        }
        .compare-table th.col-standard,
        .compare-table th.col-member {
            font-weight: 700;
            font-size: 18px;
        }
        .plan-tag {
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 100px;
        }
        .plan-tag-normal {
            background: #eef2f7;
            color: var(--text-secondary);
        }
        .plan-tag-member {
            background: var(--accent-orange);
            color: #fff;
            margin-left: 6px;
        }
        .compare-check {
            color: var(--teal);
            font-size: 15px;
            margin-right: 4px;
        }
        .compare-highlight-row {
            background: var(--primary-bg);
            border-left: 3px solid var(--primary);
        }
        @media (max-width: 767px) {
            .compare-wrap {
                padding: 16px;
                overflow-x: auto;
            }
            .compare-table {
                min-width: 640px;
            }
        }

        /* ========== Deep CTA ========== */
        .deep-cta {
            background: var(--deep-dark);
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .deep-cta::before {
            content: "";
            position: absolute;
            width: 260px;
            height: 260px;
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 50%;
            top: -80px;
            right: -60px;
            background-image: radial-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px);
            background-size: 16px 16px;
        }
        .deep-cta-inner {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 40px;
            padding: 70px 0;
        }
        .deep-left {
            max-width: 560px;
        }
        .deep-left h2 {
            font-size: clamp(28px, 3.4vw, 38px);
            font-weight: 700;
            margin-bottom: 14px;
            line-height: 1.3;
        }
        .deep-left p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.8;
            margin-bottom: 24px;
        }
        .countdown {
            display: flex;
            gap: 18px;
            margin-top: 28px;
        }
        .count-box {
            background: rgba(255, 255, 255, 0.1);
            border-radius: 14px;
            width: 88px;
            padding: 14px 8px 10px;
            text-align: center;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }
        .count-num {
            font-size: 40px;
            font-weight: 800;
            color: #fff;
            line-height: 1;
        }
        .count-unit {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 6px;
        }
        .deep-right {
            display: flex;
            flex-direction: column;
            gap: 18px;
            align-items: flex-start;
        }
        .deep-action-btn {
            background: var(--accent-orange);
            color: #fff;
            font-size: 18px;
            padding: 18px 40px;
            border-radius: 12px;
            box-shadow: 0 8px 24px rgba(255, 158, 60, 0.35);
            border: none;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 600;
        }
        .deep-action-btn:hover {
            transform: translateY(-3px);
            background: var(--accent-orange-hover);
            color: #fff;
        }
        .deep-note {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            text-align: center;
        }
        @media (max-width: 700px) {
            .deep-cta-inner {
                flex-direction: column;
                align-items: flex-start;
            }
            .deep-right {
                width: 100%;
            }
            .deep-action-btn {
                width: 100%;
                justify-content: center;
            }
            .countdown {
                gap: 10px;
            }
            .count-box {
                width: 72px;
            }
            .count-num {
                font-size: 30px;
            }
        }

        /* ========== Form + contact ========== */
        .contact-section {
            background: var(--page-bg);
        }
        .contact-wrap {
            display: grid;
            grid-template-columns: 0.9fr 1.1fr;
            gap: 32px;
            align-items: stretch;
        }
        .contact-left {
            background: #fff;
            border: 1px solid var(--border-line);
            box-shadow: var(--shadow-card);
            border-radius: var(--radius-container);
            padding: 40px;
            display: flex;
            flex-direction: column;
        }
        .contact-left h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .contact-left p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 24px;
        }
        .contact-metas {
            display: flex;
            flex-direction: column;
            gap: 18px;
            margin-bottom: 24px;
        }
        .contact-meta-item {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .meta-ico {
            width: 46px;
            height: 46px;
            background: var(--primary-bg);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 18px;
            flex-shrink: 0;
        }
        .meta-text {
            font-size: 15px;
            color: var(--text-main);
            font-weight: 600;
        }
        .meta-text small {
            font-weight: 400;
            color: var(--text-weak);
            font-size: 13px;
            margin-top: 4px;
        }

        .contact-right {
            background: #fff;
            border: 1px solid var(--border-line);
            box-shadow: var(--shadow-card);
            border-radius: var(--radius-container);
            padding: 40px;
        }
        .contact-right h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 28px;
        }

        .form-group {
            margin-bottom: 18px;
        }
        .form-group label {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-main);
            margin-bottom: 8px;
            display: block;
        }
        .form-control {
            width: 100%;
            height: 46px;
            padding: 0 14px;
            font-size: 15px;
            border: 1px solid #D4E1F5;
            border-radius: 9px;
            font-family: inherit;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
            background: #fff;
            color: var(--text-main);
            appearance: none;
        }
        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(47, 111, 237, 0.12);
        }
        .form-select {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%237E95AD' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 14px center;
            padding-right: 42px;
        }
        textarea.form-control {
            height: 100px;
            padding-top: 12px;
            resize: vertical;
            line-height: 1.5;
        }
        .form-checkbox-row {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            margin: 12px 0 20px;
            cursor: pointer;
        }
        .form-checkbox-row input[type="checkbox"] {
            width: 17px;
            height: 17px;
            margin-top: 2px;
            accent-color: var(--teal);
            cursor: pointer;
        }
        .form-checkbox-row span {
            font-size: 13px;
            line-height: 1.6;
            color: var(--text-secondary);
        }
        .deep-action-btn{
            width:100%;
            justify-content:center;
        }

        .form-error-msg {
            display: none;
        }

        .form-feedback-success {
            display: none;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 50px 20px;
            background: #f4fbf9;
            border: 1px solid #c4eee7;
            border-radius: 16px;
            margin-top: 12px;
        }
        .form-feedback-success i {
            font-size: 40px;
            color: var(--teal);
            margin-bottom: 12px;
        }
        .form-feedback-success h4 {
            font-size: 18px;
            margin-bottom: 6px;
        }
        .form-feedback-success p {
            font-size: 14px;
            color: var(--text-secondary);
        }

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

        /* ========== FAQ ========== */
        .faq-wrap {
            max-width: 850px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border-line);
            border-radius: 14px;
            margin-bottom: 14px;
            transition: box-shadow 0.3s ease;
            overflow: hidden;
        }
        .faq-item:hover {
            box-shadow: var(--shadow-card);
        }
        .faq-item-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 24px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            position: relative;
        }
        .faq-item-icon {
            flex-shrink: 0;
            font-size: 18px;
            color: var(--primary);
            transition: transform 0.3s ease;
        }
        .faq-item[aria-expanded="true"] .faq-item-icon {
            transform: rotate(45deg);
        }
        .faq-item-answer {
            display: none;
            padding: 0 24px 22px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
        }
        .faq-item.open .faq-item-answer {
            display: block;
        }

        /* ========== Featured guide ========== */
        .guide-band {
            background: var(--primary-bg);
        }
        .guide-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
            align-items: center;
            background: #fff;
            border-radius: 22px;
            box-shadow: var(--shadow-card);
            overflow: hidden;
            border: 1px solid var(--border-line);
        }
        .guide-media {
            flex: 1 1 40%;
            min-width: 300px;
        }
        .guide-media img {
            border-radius: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 380px;
        }
        .guide-body {
            flex: 1 1 40%;
            min-width: 300px;
            padding: 36px 42px;
        }
        .guide-body h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 14px;
            line-height: 1.4;
        }
        .guide-body p {
            font-size: 15px;
            color: var(--text-secondary);
            margin-bottom: 18px;
            line-height: 1.8;
        }
        .guide-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 20px;
        }
        .mini-tag {
            font-size: 13px;
            background: var(--primary-bg);
            color: var(--primary);
            border-radius: 100px;
            padding: 6px 12px;
            font-weight: 500;
        }
        @media (max-width: 640px) {
            .guide-media img {
                min-height: 220px;
            }
            .guide-body {
                padding: 28px 24px;
            }
        }

        /* ========== CMS ========== */
        .news-item {
            background: #fff;
            border: 1px solid var(--border-line);
            border-radius: 16px;
            box-shadow: var(--shadow-card);
            padding: 28px 28px;
            transition: box-shadow 0.25s ease, transform 0.25s ease;
            position: relative;
            overflow: hidden;
        }
        .news-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .news-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-bg);
            border-radius: 100px;
            padding: 4px 14px;
            margin-bottom: 12px;
        }
        .news-link-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.4;
            display: block;
            margin-bottom: 8px;
            text-decoration: none;
        }
        .news-link-title:hover {
            color: var(--primary);
        }
        .news-excerpt {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-meta {
            font-size: 13px;
            color: var(--text-weak);
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }
        .news-empty {
            width: 100%;
            text-align: center;
            padding: 60px 20px;
            background: #fff;
            border: 2px dashed var(--border-line);
            border-radius: 18px;
            color: var(--text-weak);
            font-size: 16px;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--deep-dark);
            color: #fff;
            padding-top: 60px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.4fr;
            gap: 40px;
            padding-bottom: 36px;
        }
        .footer-about .logo-text {
            color: #fff;
        }
        .footer-desc {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 14px;
            line-height: 1.7;
        }
        .footer-heading {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 20px;
            color: #fff;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            transition: color 0.2s ease;
            text-decoration: none;
        }
        .footer-links a:hover {
            color: var(--primary-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 22px 0;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
            text-align: center;
        }
        .footer-bottom .container {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
                padding-bottom: 24px;
            }
        }

        /* ========== utils ========== */
        .text-center {
            text-align: center;
        }
        .mt-40 {
            margin-top: 40px;
        }

        @media (max-width: 768px) {
            .section-label + h2 {
                font-size: 22px;
            }
        }

/* roulang page: category1 */
:root {
        --primary: #2F6FED;
        --primary-light: #4D8DFF;
        --primary-bg: #EAF2FF;
        --bg: #F5F9FE;
        --white: #FFFFFF;
        --dark: #0B1F3B;
        --accent: #FF9E3C;
        --accent-hover: #EC7E10;
        --success: #00A88F;
        --danger: #D64541;
        --text: #183057;
        --text-secondary: #45607F;
        --text-weak: #7E95AD;
        --border: #DCE8FA;
        --radius-sm: 8px;
        --radius-md: 16px;
        --radius-lg: 20px;
        --shadow-card: 0 4px 16px rgba(24, 48, 87, 0.06);
        --shadow-hover: 0 16px 40px rgba(24, 48, 87, 0.12);
        --shadow-cta: 0 8px 20px rgba(255, 158, 60, 0.28);
        --container: 1200px;
    }

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

    html {
        scroll-behavior: smooth;
    }

    body {
        font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Segoe UI", sans-serif;
        background: var(--bg);
        color: var(--text);
        line-height: 1.75;
        font-size: 16px;
        -webkit-font-smoothing: antialiased;
    }

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

    a {
        text-decoration: none;
        color: var(--primary);
        transition: color 0.2s ease;
    }

    ul {
        list-style: none;
    }

    .container {
        width: 100%;
        max-width: var(--container);
        margin: 0 auto;
        padding-left: 32px;
        padding-right: 32px;
    }

    /* Header */
    .site-header {
        background: rgba(245, 249, 254, 0.9);
        backdrop-filter: blur(12px);
        border-bottom: 1px solid rgba(220, 232, 250, 0.8);
        position: sticky;
        top: 0;
        z-index: 100;
        height: 76px;
        display: flex;
        align-items: center;
    }

    .header-inner {
        width: 100%;
        max-width: var(--container);
        margin: 0 auto;
        padding: 0 32px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 24px;
    }

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

    .logo-icon {
        width: 38px;
        height: 38px;
        background: var(--primary);
        color: #fff;
        border-radius: 10px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 20px;
        font-weight: 800;
        font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
        box-shadow: 0 4px 10px rgba(47, 111, 237, 0.25);
    }

    .logo-text {
        font-size: 20px;
        font-weight: 800;
        color: var(--text);
        letter-spacing: 0.02em;
        white-space: nowrap;
    }

    .nav-menu {
        display: flex;
        align-items: center;
        gap: 6px;
    }

    .nav-link {
        display: inline-flex;
        align-items: center;
        padding: 8px 18px;
        border-radius: 40px;
        font-size: 15px;
        font-weight: 500;
        color: var(--text-secondary);
        transition: all 0.2s ease;
        line-height: 1.4;
    }

    .nav-link:hover {
        background: var(--primary-bg);
        color: var(--primary);
    }

    .nav-link.active {
        background: var(--primary-bg);
        color: var(--primary);
        font-weight: 600;
    }

    .nav-cta {
        margin-left: 12px;
        white-space: nowrap;
        display: inline-flex;
        align-items: center;
        gap: 8px;
        height: 44px;
        padding: 0 24px;
        border-radius: var(--radius-sm);
        background: var(--accent);
        color: #fff;
        font-size: 15px;
        font-weight: 600;
        box-shadow: var(--shadow-cta);
        transition: all 0.2s ease;
        border: none;
        cursor: pointer;
    }

    .nav-cta i {
        font-size: 14px;
    }

    .nav-cta:hover {
        background: var(--accent-hover);
        transform: translateY(-2px);
        box-shadow: 0 12px 24px rgba(255, 158, 60, 0.35);
        color: #fff;
    }

    .nav-toggle {
        display: none;
        background: none;
        border: none;
        font-size: 26px;
        color: var(--text);
        cursor: pointer;
        padding: 6px;
        line-height: 1;
        transition: opacity 0.2s;
    }

    .nav-toggle:hover {
        opacity: 0.7;
    }

    /* Hero */
    .category-hero {
        background: linear-gradient(135deg, #EAF2FF 0%, #F5F9FE 60%, #FFFFFF 100%);
        border-bottom: 1px solid var(--border);
        position: relative;
        overflow: hidden;
    }

    .category-hero .container {
        display: grid;
        grid-template-columns: 1.1fr 0.9fr;
        gap: 56px;
        align-items: center;
        padding-top: 80px;
        padding-bottom: 80px;
        min-height: 520px;
    }

    .breadcrumb {
        font-size: 13px;
        color: var(--text-weak);
        margin-bottom: 20px;
        display: flex;
        flex-wrap: wrap;
        gap: 6px;
    }

    .breadcrumb a {
        color: var(--text-weak);
    }

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

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

    .category-hero h1 {
        font-size: clamp(34px, 4vw, 52px);
        font-weight: 800;
        line-height: 1.22;
        color: var(--text);
        margin-bottom: 18px;
        letter-spacing: 0.01em;
    }

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

    .hero-lead {
        font-size: 17px;
        color: var(--text-secondary);
        line-height: 1.85;
        max-width: 540px;
        margin-bottom: 32px;
    }

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

    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        font-size: 15px;
        font-weight: 600;
        line-height: 1;
        padding: 0 28px;
        height: 48px;
        border-radius: var(--radius-sm);
        border: none;
        cursor: pointer;
        transition: all 0.22s ease;
        white-space: nowrap;
    }

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

    .btn-primary:hover {
        background: var(--accent-hover);
        transform: translateY(-2px);
        box-shadow: 0 12px 26px rgba(255, 158, 60, 0.36);
        color: #fff;
    }

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

    .btn-secondary:hover {
        background: var(--primary-bg);
        transform: translateY(-1px);
    }

    .hero-trust {
        display: flex;
        flex-wrap: wrap;
        gap: 16px;
        font-size: 13px;
        color: var(--text-weak);
    }

    .hero-trust i {
        color: var(--success);
        margin-right: 4px;
    }

    .hero-visual {
        position: relative;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .hero-visual img {
        width: 100%;
        max-height: 420px;
        object-fit: cover;
        border-radius: var(--radius-lg);
        box-shadow: 0 20px 60px rgba(24, 48, 87, 0.16);
    }

    .hero-figure {
        width: 100%;
        border-radius: var(--radius-lg);
        min-height: 320px;
        background: linear-gradient(135deg, #DDEBFF, #EAF2FF);
        border: 1px solid rgba(255, 255, 255, 0.7);
        box-shadow: 0 20px 60px rgba(24, 48, 87, 0.12);
        background-image: url("/assets/images/backpic/back-3.webp");
        background-size: cover;
        background-position: center;
    }

    /* Section base */
    .section {
        padding: 80px 0;
    }

    .section-header {
        max-width: 720px;
        margin-bottom: 48px;
    }

    .section-header.center {
        margin-left: auto;
        margin-right: auto;
        text-align: center;
    }

    .section-tag {
        display: inline-block;
        font-size: 13px;
        font-weight: 600;
        color: var(--primary);
        background: var(--primary-bg);
        padding: 4px 14px;
        border-radius: 30px;
        margin-bottom: 12px;
        letter-spacing: 0.04em;
    }

    .section-header h2 {
        font-size: clamp(26px, 2.6vw, 36px);
        font-weight: 700;
        color: var(--text);
        line-height: 1.35;
        margin-bottom: 12px;
        letter-spacing: 0.01em;
    }

    .section-header p {
        font-size: 16px;
        color: var(--text-secondary);
        line-height: 1.8;
    }

    .section-sub {
        color: var(--text-secondary);
        font-size: 16px;
        line-height: 1.8;
    }

    /* Login methods */
    .methods-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 28px;
    }

    .method-card {
        background: var(--white);
        border-radius: var(--radius-md);
        padding: 32px 30px;
        box-shadow: var(--shadow-card);
        border: 1px solid transparent;
        transition: box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
        position: relative;
    }

    .method-card:hover {
        box-shadow: var(--shadow-hover);
        transform: translateY(-4px);
        border-color: var(--primary-bg);
    }

    .method-num {
        font-size: 13px;
        font-weight: 700;
        color: var(--primary);
        background: var(--primary-bg);
        width: 46px;
        height: 46px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 20px;
    }

    .method-card h3 {
        font-size: 20px;
        font-weight: 700;
        color: var(--text);
        margin-bottom: 12px;
    }

    .method-card p {
        font-size: 15px;
        line-height: 1.75;
        color: var(--text-secondary);
    }

    .method-card .method-link {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 14px;
        font-weight: 600;
        color: var(--primary);
        margin-top: 4px;
        transition: gap 0.2s;
    }

    .method-card .method-link:hover {
        gap: 10px;
    }

    /* Help steps */
    .help-wrap {
        background: var(--white);
        border-radius: var(--radius-lg);
        padding: 40px;
        box-shadow: var(--shadow-card);
        margin-top: 8px;
    }

    .step-list {
        display: flex;
        flex-direction: column;
        gap: 40px;
    }

    .step-item {
        display: grid;
        grid-template-columns: auto 220px 1fr;
        gap: 24px;
        align-items: start;
    }

    .step-ic {
        width: 44px;
        height: 44px;
        border-radius: 50%;
        background: var(--primary-bg);
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: 700;
        color: var(--primary);
        margin-top: 4px;
    }

    .step-title h3 {
        font-size: 18px;
        font-weight: 700;
        color: var(--text);
        margin-bottom: 6px;
    }

    .step-title p {
        font-size: 14px;
        color: var(--text-weak);
    }

    .step-desc {
        font-size: 15px;
        color: var(--text-secondary);
        line-height: 1.8;
    }

    .step-desc ul {
        padding-left: 18px;
        list-style: disc;
        margin-top: 6px;
    }

    .step-desc ul li {
        margin-bottom: 4px;
        font-size: 15px;
    }

    /* Danger zone */
    .danger-card {
        background: linear-gradient(135deg, rgba(214, 69, 65, 0.04), rgba(214, 69, 65, 0.01));
        border: 1px solid rgba(214, 69, 65, 0.25);
        border-radius: var(--radius-md);
        padding: 36px;
    }

    .danger-card .warning-title {
        font-size: 20px;
        font-weight: 700;
        color: var(--danger);
        margin-bottom: 18px;
        display: flex;
        align-items: center;
        gap: 10px;
    }

    .warning-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
        gap: 18px;
    }

    .warning-item {
        background: rgba(255, 255, 255, 0.7);
        border-radius: 12px;
        padding: 20px;
    }

    .warning-item .w-title {
        font-weight: 600;
        color: var(--text);
        margin-bottom: 6px;
        font-size: 15px;
    }

    .warning-item p {
        font-size: 14px;
        color: var(--text-secondary);
        line-height: 1.7;
    }

    /* FAQ */
    .faq-wrap {
        max-width: 880px;
        margin: 0 auto;
        display: flex;
        flex-direction: column;
        gap: 12px;
    }

    .faq-item {
        background: var(--white);
        border-radius: 14px;
        box-shadow: var(--shadow-card);
        border: 1px solid transparent;
        transition: box-shadow 0.2s ease;
        overflow: hidden;
    }

    .faq-item summary {
        list-style: none;
        cursor: pointer;
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 22px 26px;
        font-weight: 600;
        font-size: 16px;
        color: var(--text);
        transition: background 0.2s;
        user-select: none;
    }

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

    .faq-item summary::after {
        content: "+";
        font-size: 24px;
        color: var(--primary);
        font-weight: 400;
        transition: transform 0.3s ease;
        line-height: 1;
    }

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

    .faq-item[open] {
        border-left: 2px solid var(--primary);
    }

    .faq-answer {
        padding: 0 26px 24px;
        color: var(--text-secondary);
        font-size: 15px;
        line-height: 1.8;
    }

    /* CTA */
    .cta-block {
        background: var(--dark);
        border-radius: var(--radius-lg);
        padding: 52px 44px;
        position: relative;
        overflow: hidden;
    }

    .cta-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 32px;
        flex-wrap: wrap;
    }

    .cta-block h2 {
        color: #fff;
        font-size: clamp(24px, 2.4vw, 34px);
        line-height: 1.4;
        font-weight: 700;
        margin-bottom: 10px;
    }

    .cta-block p {
        color: rgba(255, 255, 255, 0.7);
        font-size: 16px;
        line-height: 1.7;
        max-width: 600px;
    }

    .cta-block .btn-primary {
        flex-shrink: 0;
    }

    /* Footer */
    .site-footer {
        background: var(--dark);
        color: rgba(255, 255, 255, 0.7);
        padding: 72px 0 0;
        margin-top: 60px;
    }

    .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1.3fr;
        gap: 48px;
        padding-bottom: 48px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

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

    .footer-about .logo-text {
        color: #fff;
    }

    .footer-desc {
        font-size: 14px;
        line-height: 1.9;
        color: rgba(255, 255, 255, 0.6);
        max-width: 360px;
        margin-top: -6px;
    }

    .footer-heading {
        color: #fff;
        font-size: 16px;
        font-weight: 600;
        margin-bottom: 20px;
    }

    .footer-links {
        display: flex;
        flex-direction: column;
        gap: 12px;
        align-items: flex-start;
    }

    .footer-links a {
        font-size: 14px;
        color: rgba(255, 255, 255, 0.6);
        transition: color 0.2s;
    }

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

    .footer-links div {
        font-size: 14px;
        color: rgba(255, 255, 255, 0.5);
        line-height: 1.8;
    }

    .footer-bottom {
        padding: 28px 0;
        background: rgba(0, 0, 0, 0.15);
    }

    .footer-bottom {
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
        gap: 8px;
        font-size: 13px;
        color: rgba(255, 255, 255, 0.45);
    }

    .footer-bottom .container {
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
        gap: 8px;
    }

    .footer-bottom a {
        color: rgba(255, 255, 255, 0.45);
    }

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

    /* Media Queries */
    @media (max-width: 1024px) {
        .category-hero .container {
            grid-template-columns: 1fr;
            gap: 40px;
            padding-top: 48px;
            padding-bottom: 48px;
        }

        .hero-visual {
            order: 2;
        }

        .footer-grid {
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }
    }

    @media (max-width: 991px) {
        .container,
        .header-inner {
            padding-left: 24px;
            padding-right: 24px;
        }

        .nav-toggle {
            display: block;
        }

        .nav-menu {
            position: fixed;
            top: 76px;
            left: 0;
            right: 0;
            background: #ffffff;
            flex-direction: column;
            align-items: stretch;
            padding: 24px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
            border-bottom: 1px solid var(--border);
            transform: translateY(-120%);
            opacity: 0;
            visibility: hidden;
            transition: transform 0.3s ease, opacity 0.3s ease, visibility 0.3s;
            z-index: 99;
            gap: 8px;
        }

        .nav-menu.open {
            transform: translateY(0);
            opacity: 1;
            visibility: visible;
        }

        .nav-link {
            padding: 14px 16px;
            font-size: 18px;
            border-radius: 10px;
        }

        .nav-cta {
            margin-left: 0;
            width: 100%;
            justify-content: center;
            margin-top: 16px;
            height: 48px;
        }
    }

    @media (max-width: 768px) {
        .section {
            padding: 64px 0;
        }

        .container,
        .header-inner {
            padding-left: 20px;
            padding-right: 20px;
        }

        .help-wrap {
            padding: 28px 20px;
        }

        .step-item {
            grid-template-columns: 1fr;
            gap: 8px;
        }

        .step-ic {
            margin-bottom: 8px;
        }

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

        .cta-inner {
            flex-direction: column;
            align-items: flex-start;
        }

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

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

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

        .hero-trust {
            flex-direction: column;
            gap: 4px;
        }

        .btn {
            width: 100%;
        }

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

    @media (max-width: 520px) {
        .logo-text {
            font-size: 18px;
        }

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

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

        .nav-menu {
            padding: 20px;
        }

        .nav-link {
            font-size: 17px;
        }
    }

    @media (prefers-reduced-motion: reduce) {
        *,
        *::before,
        *::after {
            transition-duration: 0.01ms !important;
            animation-duration: 0.01ms !important;
            scroll-behavior: auto !important;
        }
    }

/* roulang page: category2 */
:root {
  --primary: #2f6fed;
  --primary-light: #4d8dff;
  --primary-bg: #eaf2ff;
  --bg: #f5f9fe;
  --card-bg: #ffffff;
  --dark: #0b1f3b;
  --accent: #ff9e3c;
  --accent-hover: #ec7e10;
  --success: #00a88f;
  --danger: #d64541;
  --text: #183057;
  --text-sub: #45607f;
  --text-weak: #7e95ad;
  --border: #dce8fa;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 4px 16px rgba(24, 48, 87, 0.06);
  --shadow-lg: 0 16px 40px rgba(24, 48, 87, 0.12);
  --cta-shadow: 0 8px 20px rgba(255, 158, 60, 0.28);
  --transition: all 0.3s ease;
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
.container { max-width: 1200px; margin: 0 auto; padding: 0 32px; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  height: 76px;
  display: flex;
  align-items: center;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 20px;
  font-weight: 800;
  box-shadow: 0 4px 12px rgba(47, 111, 237, 0.25);
}
.logo-text {
  font-size: 20px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: 0.5px;
  white-space: nowrap;
}
.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-link {
  display: inline-flex;
  padding: 8px 18px;
  border-radius: 999px;
  color: var(--text-sub);
  font-size: 15px;
  font-weight: 500;
  transition: var(--transition);
}
.nav-link:hover {
  color: var(--primary);
  background: rgba(47, 111, 237, 0.08);
}
.nav-link.active {
  background: var(--primary-bg);
  color: var(--primary);
  font-weight: 600;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  line-height: 1.4;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: var(--cta-shadow);
}
.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  color: #fff;
  box-shadow: 0 12px 28px rgba(255, 158, 60, 0.35);
}
.btn-outline {
  background: transparent;
  border: 1.5px solid var(--primary);
  color: var(--primary);
}
.btn-outline:hover {
  background: var(--primary-bg);
  transform: translateY(-2px);
  color: var(--primary);
}
.btn-light {
  background: #fff;
  color: var(--primary);
  padding: 14px 28px;
}
.btn-light:hover {
  background: var(--primary-bg);
  color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}
.nav-cta {
  margin-left: 12px;
  padding: 10px 20px;
  font-size: 14px;
}
.burger-btn {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  color: var(--text);
  cursor: pointer;
  padding: 8px;
}
.link {
  border: none;
  background: none;
  padding: 10px 20px;
  border-radius: 10px;
  font-size: 15px;
  cursor: pointer;
  transition: var(--transition);
  color: var(--primary);
  font-weight: 500;
}
.link:hover {
  background: var(--primary-bg);
  border: none;
}
/* hero */
.banner {
  position: relative;
  background: linear-gradient(98deg, #eaf2ff 0%, #f5f9fe 55%, #edf4ff 100%);
  overflow: hidden;
  padding: 64px 0 0;
}
.banner::before {
  content: '';
  position: absolute;
  right: -140px;
  top: -140px;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.6);
  border: 2px solid rgba(47, 111, 237, 0.08);
}
.banner::after {
  content: '';
  position: absolute;
  right: 6%;
  bottom: -60px;
  width: 320px;
  height: 320px;
  border-radius: 40px;
  background: repeating-linear-gradient(45deg, rgba(47,111,237,0.03) 0px, rgba(47,111,237,0.03) 2px, transparent 2px, transparent 12px);
  transform: rotate(-8deg);
}
.banner .container {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  min-height: 480px;
  padding-bottom: 70px;
}
.banner-content {
  max-width: 600px;
}
.banner-tagline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(47,111,237,0.08);
  border: 1px solid rgba(47, 111, 237, 0.15);
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
  padding: 7px 16px;
  border-radius: 999px;
  margin-bottom: 24px;
}
.banner-tagline i {
  font-size: 13px;
}
.banner h1 {
  font-size: clamp(34px, 4vw, 54px);
  line-height: 1.25;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 24px;
  letter-spacing: -0.5px;
}
.banner h1 span {
  color: var(--primary);
}
.banner-desc {
  font-size: 17px;
  line-height: 1.9;
  color: var(--text-sub);
  margin-bottom: 36px;
  max-width: 520px;
}
.banner-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 36px;
}
.banner-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-sub);
  font-size: 15px;
}
.trust-item i {
  color: var(--success);
  font-size: 15px;
}
.banner-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.visual-frame {
  position: relative;
  width: 100%;
  max-width: 520px;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(24, 48, 87, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.8);
}
.visual-frame img {
  width: 100%;
  height: 380px;
  object-fit: cover;
}
.visual-card {
  position: absolute;
  bottom: 22px;
  left: 22px;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(8px);
  border-radius: 14px;
  padding: 14px 18px;
  box-shadow: 0 8px 24px rgba(24, 48, 87, 0.14);
  display: flex;
  align-items: center;
  gap: 12px;
}
.visual-card i {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 168, 143, 0.12);
  color: var(--success);
  font-size: 16px;
}
.visual-card-body h3 {
  font-size: 14px;
  color: var(--text);
  font-weight: 600;
  line-height: 1.3;
}
.visual-card-body p {
  font-size: 12px;
  color: var(--text-weak);
  line-height: 1.3;
}
/* section base */
.section {
  padding: 100px 0;
}
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-bg);
  padding: 6px 18px;
  border-radius: 999px;
  margin-bottom: 16px;
}
.section-head {
  max-width: 720px;
  margin-bottom: 56px;
}
.section-head h2 {
  font-size: clamp(26px, 2.6vw, 36px);
  line-height: 1.4;
  color: var(--text);
  font-weight: 700;
  margin-bottom: 16px;
}
.section-head p {
  color: var(--text-sub);
  font-size: 16px;
  line-height: 1.8;
}
/* risk cards */
.risk-section {
  background: #fff;
}
.risk-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.risk-card {
  background: var(--bg);
  border-radius: var(--radius);
  padding: 32px 24px;
  border: 1px solid var(--border);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.risk-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--accent);
  opacity: 0;
  transition: var(--transition);
}
.risk-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  background: #fff;
}
.risk-card:hover::before { opacity: 1; }
.risk-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 18px;
}
.risk-icon.red { background: rgba(214, 69, 65, 0.12); color: var(--danger); }
.risk-icon.orange { background: rgba(255, 158, 60, 0.15); color: #d97c0c; }
.risk-icon.blue { background: rgba(47, 111, 237, 0.12); color: var(--primary); }
.risk-icon.teal { background: rgba(0, 168, 143, 0.12); color: var(--success); }
.risk-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
}
.risk-card p {
  color: var(--text-sub);
  font-size: 14px;
  line-height: 1.7;
}
/* compare table section */
.compare-section {
  background: var(--bg);
}
.compare-wrap {
  background: #fff;
  border-radius: 20px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  padding: 0;
  overflow: hidden;
}
.compare-table {
  width: 100%;
  border-collapse: collapse;
}
.compare-table caption {
  text-align: left;
  padding: 32px 40px 10px;
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
}
.compare-table thead th {
  background: #f8fbff;
  padding: 20px 24px;
  text-align: left;
  font-size: 16px;
  color: var(--text);
  border-bottom: 2px solid var(--border);
  font-weight: 700;
}
.compare-table thead th:first-child {
  padding-left: 40px;
  font-size: 14px;
  color: var(--text-weak);
  font-weight: 500;
  width: 28%;
}
.compare-table thead th .highlight {
  color: var(--success);
}
.compare-table tbody td {
  padding: 18px 24px;
  border-bottom: 1px solid #e8effb;
  font-size: 15px;
  color: var(--text-sub);
  vertical-align: middle;
}
.compare-table tbody td:first-child {
  padding-left: 40px;
  font-weight: 600;
  color: var(--text);
  background: #fafcff;
}
.compare-table tbody td:last-child {
  border-right: none;
}
.compare-table i.fa-check {
  color: var(--success);
  font-size: 15px;
}
.compare-table i.fa-times {
  color: var(--text-weak);
  font-size: 15px;
}
/* checklist */
.checklist-section {
  background: #fff;
  position: relative;
  overflow: hidden;
}
.checklist-grid {
  background: var(--primary-bg);
  border-radius: 24px;
  padding: 64px 64px;
  position: relative;
  overflow: hidden;
}
.checklist-grid::before {
  content: '\f4ad';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  position: absolute;
  right: -30px;
  bottom: -30px;
  font-size: 280px;
  color: rgba(47, 111, 237, 0.06);
  line-height: 1;
}
.checklist-head {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 44px;
  position: relative;
  z-index: 1;
}
.checklist-head-icon {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  color: var(--primary);
  box-shadow: var(--shadow);
}
.checklist-head h2 {
  font-size: clamp(24px, 2.4vw, 32px);
  font-weight: 700;
  color: var(--text);
  line-height: 1.4;
}
.checklist-head p {
  color: var(--text-sub);
  font-size: 15px;
}
.checklist-items {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px 40px;
  position: relative;
  z-index: 1;
}
.check-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: rgba(255, 255, 255, 0.85);
  border-radius: 12px;
  padding: 16px 20px;
  border: 1px solid rgba(255,255,255,0.9);
  transition: var(--transition);
}
.check-item:hover {
  background: #fff;
  box-shadow: var(--shadow);
}
.check-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: var(--success);
  color: #fff;
  font-size: 11px;
  margin-top: 2px;
}
.check-text {
  font-size: 15px;
  color: var(--text);
  font-weight: 500;
  line-height: 1.6;
}
.check-text .desc {
  font-size: 13px;
  color: var(--text-weak);
  font-weight: 400;
  margin-top: 4px;
  line-height: 1.6;
}
/* steps */
.step-section {
  background: var(--bg);
}
.steps-wrap {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
  margin-bottom: 60px;
}
.step-item {
  background: #fff;
  border-radius: var(--radius);
  padding: 30px 26px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
  position: relative;
  border-top: 3px solid var(--border);
}
.step-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-top-color: var(--primary);
}
.step-num {
  width: 32px;
  height: 32px;
  background: var(--primary-bg);
  color: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  margin: 0 auto 18px;
}
.step-item h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
}
.step-item p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.7;
}
/* tools section */
.tools-section {
  background: var(--dark);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.tools-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 40px 40px;
}
.tools-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 80px;
  align-items: center;
}
.tools-caption .section-label {
  background: rgba(255,255,255,0.1);
  color: #8db1ff;
  border: 1px solid rgba(255,255,255,0.08);
}
.tools-caption h2 {
  font-size: clamp(26px, 2.6vw, 36px);
  font-weight: 700;
  color: #fff;
  margin: 18px 0 22px;
}
.tools-caption p {
  font-size: 16px;
  color: rgba(255,255,255,0.65);
  line-height: 1.85;
  margin-bottom: 32px;
}
.tools-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
  text-align: left;
}
.tool-btn {
  margin-top: 20px;
}
.tools-right {
  display: flex;
  flex-direction: column;
  gap: 22px;
}
.tool-row {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 18px;
  padding: 28px;
  transition: var(--transition);
  display: flex;
  align-items: flex-start;
  gap: 20px;
}
.tool-row:hover {
  background: rgba(255,255,255,0.08);
  transform: translateY(-3px);
}
.tool-row-icon {
  width: 52px;
  height: 52px;
  flex-shrink: 0;
  border-radius: 14px;
  background: rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: #ffb566;
}
.tool-row-body h3 {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 8px;
}
.tool-row-body p {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  line-height: 1.7;
}
/* CTA band */
.cta-section {
  background: var(--bg);
  padding: 80px 0;
}
.cta-box {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 56px 64px;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}
.cta-box::before {
  content: '\f023';
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  font-size: 240px;
  position: absolute;
  right: -30px;
  bottom: -20px;
  color: rgba(47, 111, 237, 0.04);
}
.cta-box-inner {
  position: relative;
  z-index: 1;
  max-width: 580px;
}
.cta-box h2 {
  font-size: clamp(24px, 2.2vw, 32px);
  font-weight: 700;
  color: var(--text);
  margin-bottom: 14px;
}
.cta-box p {
  color: var(--text-sub);
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 28px;
}
.cta-btn-group {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
/* FAQ */
.faq-section {
  background: #fff;
}
.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.faq-item {
  background: var(--bg);
  border-radius: 14px;
  border: 1px solid var(--border);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover {
  border-color: rgba(47,111,237,0.3);
}
.faq-item.open {
  background: #fff;
  box-shadow: var(--shadow);
  border-color: rgba(47,111,237,0.2);
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 28px;
  cursor: pointer;
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  font-family: inherit;
  transition: var(--transition);
}
.faq-item.open .faq-question {
  color: var(--primary);
}
.faq-question .faq-icon {
  font-size: 18px;
  color: var(--text-weak);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  flex-shrink: 0;
}
.faq-item.open .faq-icon {
  transform: rotate(45deg);
  color: var(--primary);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}
.faq-answer-inner {
  padding: 0 28px 22px;
  color: var(--text-sub);
  font-size: 15px;
  line-height: 1.85;
  border-left: 2px solid rgba(47,111,237,0.15);
  margin-left: 28px;
}
/* footer */
.site-footer {
  background: var(--dark);
  padding: 72px 0 0;
  color: rgba(255, 255, 255, 0.7);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 0.8fr 0.8fr 1.1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-about .logo .logo-text {
  color: #fff;
}
.footer-about .logo .logo-icon {
  background: rgba(255,255,255,0.14);
  color: #fff;
  box-shadow: none;
}
.footer-desc {
  margin-top: 18px;
  font-size: 14px;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.5);
  max-width: 420px;
}
.footer-heading {
  font-size: 16px;
  color: #fff;
  margin-bottom: 20px;
  font-weight: 600;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-links a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.5);
  transition: var(--transition);
}
.footer-links a:hover {
  color: #8db1ff;
}
.footer-bottom {
  padding: 24px 0;
}
.footer-bottom .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  max-width: 1200px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.35);
}
/* mobile bottom nav */
.mobile-contact {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: #fff;
  border-top: 1px solid var(--border);
  z-index: 200;
  padding: 12px 16px;
  box-shadow: 0 -4px 16px rgba(0,0,0,0.06);
}
.mobile-contact .btn {
  width: 100%;
  padding: 14px;
  font-size: 15px;
}
/* responsive */
@media (max-width: 1024px) {
  .risk-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .steps-wrap {
    grid-template-columns: repeat(2, 1fr);
  }
  .checklist-items {
    grid-template-columns: 1fr;
  }
  .tools-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .banner .container {
    grid-template-columns: 1fr;
    gap: 40px;
    padding-bottom: 60px;
  }
  .banner-visual .visual-frame img {
    height: 320px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
}
@media (max-width: 768px) {
  .header-inner .nav-menu {
    display: none;
  }
  .burger-btn {
    display: block;
    order: 3;
  }
  .nav-menu.active {
    display: flex;
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    padding: 16px 24px;
    box-shadow: 0 20px 30px rgba(0,0,0,0.08);
  }
  .header-inner .nav-menu {
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    display: none;
  }
  .header-inner .nav-menu.active {
    display: flex;
    flex-direction: column;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    border-top: 1px solid var(--border);
    padding: 12px 24px;
    box-shadow: 0 24px 30px rgba(24,48,87,0.1);
    z-index: 110;
  }
  .header-inner .nav-menu .nav-link {
    padding: 16px 0;
    font-size: 17px;
    border-radius: 0;
    border-bottom: 1px solid rgba(220,232,250,0.5);
  }
  .header-inner .nav-menu .nav-link.active {
    background: none;
    color: var(--primary);
  }
  .header-inner .nav-menu .nav-cta {
    margin: 16px 0 8px;
    justify-content: center;
    padding: 14px;
  }
  .section {
    padding: 64px 0;
  }
  .footer-bottom .container {
    flex-direction: column;
    text-align: center;
  }
  .compare-table-wrap {
    overflow-x: auto;
  }
  .compare-table {
    min-width: 650px;
  }
}
@media (max-width: 576px) {
  .container {
    padding: 0 20px;
  }
  .banner .container {
    grid-template-columns: 1fr;
    padding-bottom: 50px;
    min-height: auto;
  }
  .banner-btns .btn {
    width: 100%;
  }
  .risk-grid {
    grid-template-columns: 1fr;
  }
  .steps-wrap {
    grid-template-columns: 1fr;
  }
  .checklist-grid {
    padding: 40px 24px;
    border-radius: 18px;
  }
  .cta-box { padding: 40px 24px; }
  .footer-grid { grid-template-columns: 1fr; }
  .testimonials { grid-template-columns: 1fr; }
  .mobile-contact {
    display: block;
  }
  body {
    padding-bottom: 70px;
  }
  .visual-frame img {
    height: 250px;
  }
  .compare-table caption {
    padding: 24px 20px 8px;
  }
}

/* roulang page: article */
:root{
    --brand:#2F6FED;
    --brand-light:#4D8DFF;
    --brand-bg:#EAF2FF;
    --page-bg:#F5F9FE;
    --card-bg:#FFFFFF;
    --deep:#0B1F3B;
    --orange:#FF9E3C;
    --orange-hover:#EC7E10;
    --teal:#00A88F;
    --red:#D64541;
    --text:#183057;
    --text-sub:#45607F;
    --text-weak:#7E95AD;
    --border:#DCE8FA;
    --radius-md:10px;
    --radius-lg:16px;
    --shadow:0 4px 16px rgba(24,48,87,.06);
    --shadow-hover:0 16px 40px rgba(24,48,87,.12);
    --shadow-orange:0 8px 20px rgba(255,158,60,.28);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
    font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC","Segoe UI",sans-serif;
    background:var(--page-bg);
    color:var(--text);
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
}
a{color:var(--brand);text-decoration:none}
img{display:block;max-width:100%;border:0}
button,input,select,textarea{font-family:inherit;font-size:inherit}
.container{width:100%;max-width:1200px;margin-left:auto;margin-right:auto;padding-left:32px;padding-right:32px}
@media (max-width:640px){
    .container{padding-left:20px;padding-right:20px}
}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
    outline:2px solid var(--brand);
    outline-offset:3px;
    border-radius:4px;
}

/* ===== Header ===== */
.site-header{
    position:sticky;
    top:0;
    z-index:120;
    background:rgba(245,249,254,.86);
    backdrop-filter:blur(10px);
    -webkit-backdrop-filter:blur(10px);
    border-bottom:1px solid rgba(220,232,250,.75);
}
.header-content{
    height:76px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:28px;
}
.logo{
    display:inline-flex;
    align-items:center;
    gap:10px;
    flex-shrink:0;
}
.logo-icon{
    width:38px;
    height:38px;
    background:var(--brand);
    color:#fff;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    font-weight:800;
    font-size:19px;
    border-radius:12px 12px 12px 5px;
    box-shadow:0 6px 14px rgba(47,111,237,.25);
}
.logo-text{
    font-size:20px;
    font-weight:800;
    color:var(--text);
    letter-spacing:.2px;
    white-space:nowrap;
}
.nav-menu{
    display:flex;
    align-items:center;
    gap:6px;
    margin-left:auto;
}
.nav-link{
    display:inline-flex;
    align-items:center;
    padding:10px 16px;
    font-size:15px;
    font-weight:500;
    color:var(--text-sub);
    border-radius:10px;
    transition:color .2s ease,background .2s ease;
}
.nav-link:hover{
    color:var(--brand);
    background:rgba(234,242,255,.72);
}
.nav-link.active{
    color:var(--brand);
    background:var(--brand-bg);
    font-weight:600;
}
.nav-cta{
    margin-left:10px;
    font-size:14px;
    height:44px;
    padding:0 22px;
}
.nav-toggle{
    display:none;
    width:44px;
    height:44px;
    border:0;
    background:transparent;
    border-radius:10px;
    color:var(--text);
    align-items:center;
    justify-content:center;
    cursor:pointer;
    flex-shrink:0;
}
.nav-toggle:hover{background:var(--brand-bg)}

/* ===== Buttons ===== */
.btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    height:46px;
    padding:0 22px;
    border:1px solid transparent;
    border-radius:var(--radius-md);
    font-size:15px;
    font-weight:600;
    line-height:1;
    cursor:pointer;
    transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn-primary{
    background:var(--orange);
    color:#fff;
    box-shadow:var(--shadow-orange);
}
.btn-primary:hover{
    background:var(--orange-hover);
    transform:translateY(-2px);
    box-shadow:0 12px 26px rgba(255,158,60,.32);
    color:#fff;
}
.btn-primary:active{
    transform:translateY(0);
    box-shadow:0 6px 12px rgba(255,158,60,.24);
}
.btn-secondary{
    background:#fff;
    border-color:var(--brand);
    color:var(--brand);
}
.btn-secondary:hover{
    background:var(--brand-bg);
    transform:translateY(-2px);
}
.btn-light{
    background:#fff;
    color:var(--deep);
    box-shadow:0 10px 26px rgba(0,0,0,.14);
}
.btn-light:hover{
    background:#EAF2FF;
    color:var(--brand);
    transform:translateY(-2px);
}
.btn-lg{
    min-width:168px;
    height:52px;
}

/* ===== Article page ===== */
.article-page{
    padding:44px 0 84px;
}
.crumbs{
    max-width:880px;
    margin:0 auto 22px;
    padding:0 4px;
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    font-size:14px;
    color:var(--text-sub);
}
.crumbs a{
    color:var(--text-sub);
    transition:color .2s ease;
}
.crumbs a:hover{color:var(--brand)}
.crumb-sep{
    margin:0 10px;
    color:#C5D5EB;
    font-weight:600;
}
.crumb-current{
    color:var(--text-weak);
    max-width:260px;
    overflow:hidden;
    white-space:nowrap;
    text-overflow:ellipsis;
}
.article-panel{
    max-width:880px;
    margin:0 auto;
    background:var(--card-bg);
    border:1px solid rgba(215,228,247,.6);
    border-radius:24px;
    box-shadow:var(--shadow);
    padding:clamp(28px,5vw,58px);
}
.article-title{
    font-size:clamp(28px,4vw,40px);
    line-height:1.4;
    font-weight:800;
    letter-spacing:-.01em;
    color:var(--text);
}
.article-meta{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:10px 18px;
    margin:24px 0 32px;
    padding-bottom:20px;
    border-bottom:1px solid var(--border);
    color:var(--text-sub);
    font-size:14px;
}
.meta-chip{
    background:var(--brand-bg);
    color:var(--brand);
    font-weight:600;
    padding:3px 12px;
    border-radius:999px;
}
.meta-item{
    display:inline-flex;
    align-items:center;
    gap:7px;
    color:var(--text-weak);
}
.meta-item svg{
    opacity:.6;
}
.article-body{
    font-size:17px;
    line-height:1.9;
    color:var(--text-sub);
}
.article-body p{
    margin:0 0 1.5em;
}
.article-body h2{
    font-size:23px;
    font-weight:700;
    line-height:1.5;
    color:var(--text);
    margin:2.4em 0 1em;
    display:flex;
    align-items:center;
}
.article-body h2::before{
    content:"";
    width:4px;
    height:24px;
    background:var(--brand);
    border-radius:4px;
    margin-right:12px;
    flex-shrink:0;
}
.article-body h3{
    font-size:19px;
    font-weight:700;
    color:var(--text);
    margin:2em 0 .9em;
}
.article-body ul,
.article-body ol{
    margin:0 0 1.6em;
    padding-left:1.6em;
}
.article-body li{
    margin-bottom:.4em;
}
.article-body img{
    width:100%;
    height:auto;
    border-radius:16px;
    margin:30px 0;
    box-shadow:var(--shadow);
}
.article-body blockquote{
    border-left:4px solid var(--brand);
    background:var(--brand-bg);
    padding:18px 24px;
    border-radius:0 14px 14px 0;
    margin:28px 0 30px;
    color:var(--text);
}
.article-body a{
    font-weight:500;
    text-decoration:underline;
    text-underline-offset:4px;
    text-decoration-color:rgba(47,111,237,.35);
}
.article-body a:hover{
    text-decoration-color:var(--brand);
}
.article-body strong{
    color:var(--text);
    font-weight:700;
}
.article-body code{
    background:#EEF4FD;
    color:#2559B5;
    padding:2px 8px;
    border-radius:6px;
    font-size:14px;
}

/* tags */
.article-tagbar{
    display:flex;
    align-items:center;
    flex-wrap:wrap;
    gap:8px;
    margin-top:44px;
    padding-top:22px;
    border-top:1px solid var(--border);
}
.tag-item{
    display:inline-flex;
    align-items:center;
    background:#F2F7FF;
    border:1px solid rgba(47,111,237,.14);
    color:var(--brand);
    font-size:13px;
    font-weight:600;
    padding:5px 14px;
    border-radius:999px;
}
.tag-tip{
    margin-left:auto;
    font-size:13px;
    color:var(--text-weak);
}

/* article nav */
.article-footer-nav{
    max-width:880px;
    margin:26px auto 0;
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:16px;
}
.footer-nav-btn{
    display:flex;
    align-items:center;
    gap:10px;
    background:#fff;
    border:1px solid rgba(220,232,250,.9);
    border-radius:18px;
    padding:18px 20px;
    font-size:15px;
    font-weight:600;
    color:var(--text);
    box-shadow:0 4px 12px rgba(24,48,87,.04);
    transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
}
.footer-nav-btn svg{
    flex-shrink:0;
    color:var(--brand);
}
.footer-nav-btn:hover{
    transform:translateY(-3px);
    box-shadow:var(--shadow-hover);
    border-color:var(--brand-light);
    color:var(--brand);
}

/* related */
.related-section{
    max-width:1200px;
    margin:0 auto;
    padding:76px 0 8px;
}
.section-head{
    display:flex;
    align-items:flex-end;
    justify-content:space-between;
    flex-wrap:wrap;
    gap:16px;
    margin-bottom:30px;
}
.section-title{
    font-size:clamp(26px,2.6vw,34px);
    font-weight:800;
    line-height:1.35;
}
.section-sub{
    color:var(--text-sub);
    font-size:15px;
}
.related-grid{
    display:grid;
    grid-template-columns:repeat(3,minmax(0,1fr));
    gap:24px;
}
.related-card{
    display:block;
    background:#fff;
    border:1px solid rgba(220,232,250,.85);
    border-radius:20px;
    overflow:hidden;
    box-shadow:var(--shadow);
    transition:transform .3s ease,box-shadow .3s ease;
}
.related-card:hover{
    transform:translateY(-5px);
    box-shadow:var(--shadow-hover);
    border-color:rgba(77,141,255,.35);
}
.related-cover{
    aspect-ratio:16/9;
    overflow:hidden;
    position:relative;
    background:linear-gradient(135deg,#DDEBFF 0%,#EAF2FF 100%);
}
.related-cover img{
    width:100%;
    height:100%;
    object-fit:cover;
    transition:transform .6s ease;
}
.related-card:hover .related-cover img{
    transform:scale(1.04);
}
.related-content{
    padding:20px 22px 24px;
}
.related-label{
    display:inline-block;
    background:var(--brand-bg);
    color:var(--brand);
    font-size:12px;
    font-weight:600;
    padding:4px 12px;
    border-radius:999px;
    margin-bottom:10px;
}
.related-content h3{
    font-size:20px;
    line-height:1.4;
    font-weight:700;
    color:var(--text);
    margin-bottom:8px;
}
.related-content p{
    color:var(--text-sub);
    font-size:14px;
    line-height:1.75;
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
    overflow:hidden;
}
.related-go{
    margin-top:14px;
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-size:14px;
    font-weight:600;
    color:var(--brand);
}
.related-card:hover .related-go{
    color:var(--orange-hover);
}

/* support contact */
.support-panel{
    max-width:880px;
    margin:34px auto 0;
    background:var(--deep);
    border-radius:24px;
    padding:clamp(26px,4vw,42px);
    display:flex;
    align-items:center;
    justify-content:space-between;
    flex-wrap:wrap;
    gap:22px;
    color:#fff;
}
.support-info h2{
    font-size:clamp(20px,2.4vw,26px);
    font-weight:700;
}
.support-info p{
    margin-top:8px;
    color:rgba(255,255,255,.72);
    font-size:14px;
    max-width:520px;
}

/* not found */
.not-found{
    max-width:880px;
    margin:0 auto;
    background:#fff;
    border:1px solid rgba(220,232,250,.8);
    border-radius:24px;
    box-shadow:var(--shadow);
    padding:72px 40px;
    text-align:center;
}
.not-found-icon{
    width:72px;
    height:72px;
    margin:0 auto 24px;
    background:var(--brand-bg);
    color:var(--brand);
    border-radius:22px;
    display:flex;
    align-items:center;
    justify-content:center;
}
.not-found h1{
    font-size:28px;
    font-weight:800;
    color:var(--text);
    margin-bottom:12px;
}
.not-found p{
    max-width:520px;
    margin:0 auto 30px;
    color:var(--text-sub);
    font-size:15px;
}
.not-found .btn{margin:0 8px 8px}

/* ===== Footer ===== */
.site-footer{
    background:var(--deep);
    color:rgba(255,255,255,.65);
    margin-top:72px;
}
.footer-main{
    padding-top:58px;
}
.footer-grid{
    display:grid;
    grid-template-columns:1.6fr 1fr 1fr 1.3fr;
    gap:42px;
    padding-bottom:46px;
}
.logo{
    color:#fff;
}
.site-footer .logo-text{
    color:#fff;
}
.footer-about{
    max-width:320px;
}
.footer-desc{
    margin-top:16px;
    font-size:14px;
    line-height:1.85;
    color:rgba(255,255,255,.58);
}
.footer-heading{
    color:#fff;
    font-size:15px;
    font-weight:700;
    margin-bottom:16px;
    letter-spacing:.2px;
}
.footer-links{
    display:flex;
    flex-direction:column;
    gap:9px;
}
.footer-links a{
    color:rgba(255,255,255,.62);
    font-size:14px;
    transition:color .2s ease;
}
.footer-links a:hover{
    color:#8BB7FF;
}
.footer-bottom{
    border-top:1px solid rgba(255,255,255,.1);
    padding:24px 0 26px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    flex-wrap:wrap;
    gap:10px 24px;
    font-size:13px;
    color:rgba(255,255,255,.48);
}

/* ===== Responsive ===== */
@media (max-width:991px){
    .nav-toggle{
        display:inline-flex;
    }
    .nav-menu{
        position:fixed;
        top:76px;
        left:0;
        right:0;
        bottom:0;
        z-index:110;
        margin-left:0;
        background:rgba(245,249,254,.98);
        backdrop-filter:blur(14px);
        display:flex;
        flex-direction:column;
        align-items:stretch;
        gap:4px;
        padding:22px 28px 32px;
        border-top:1px solid var(--border);
        overflow-y:auto;
        opacity:0;
        transform:translateY(-10px);
        pointer-events:none;
        transition:opacity .2s ease,transform .25s ease;
    }
    .nav-menu.open{
        opacity:1;
        transform:translateY(0);
        pointer-events:auto;
    }
    .nav-menu .nav-link{
        font-size:20px;
        padding:14px 18px;
        width:100%;
    }
    .nav-menu .nav-cta{
        margin:18px 0 0;
        height:54px;
        font-size:16px;
        width:100%;
        justify-content:center;
    }
    .related-grid{
        grid-template-columns:1fr 1fr;
    }
    .footer-grid{
        grid-template-columns:1fr 1fr;
        gap:36px;
    }
}
@media (max-width:767px){
    .article-footer-nav{
        grid-template-columns:1fr;
    }
    .related-grid{
        grid-template-columns:1fr;
    }
    .footer-grid{
        grid-template-columns:1fr;
        padding-bottom:34px;
    }
    .footer-about{
        max-width:100%;
    }
    .support-panel{
        flex-direction:column;
        align-items:flex-start;
    }
}
@media (max-width:520px){
    .logo-text{
        font-size:18px;
    }
    .logo-icon{
        width:34px;
        height:34px;
        font-size:17px;
    }
    .header-content{
        height:68px;
    }
    .nav-menu{
        top:68px;
    }
    .article-panel{
        padding:26px 20px;
    }
    .not-found{
        padding:52px 20px;
    }
}
@media (prefers-reduced-motion:reduce){
    *{
        animation-duration:.01ms !important;
        transition-duration:.01ms !important;
    }
    html{
        scroll-behavior:auto;
    }
}

/* roulang page: category3 */
:root {
            --primary: #2F6FED;
            --primary-light: #4D8DFF;
            --primary-bg: #EAF2FF;
            --bg: #F5F9FE;
            --deep: #0B1F3B;
            --accent: #FF9E3C;
            --accent-dark: #EC7E10;
            --green: #00A88F;
            --green-deep: #008974;
            --red: #D64541;
            --text: #183057;
            --text2: #45607F;
            --text3: #7E95AD;
            --border: #DCE8FA;
            --radius-lg: 18px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --shadow-sm: 0 4px 16px rgba(24, 48, 87, .06);
            --shadow-md: 0 14px 32px rgba(24, 48, 87, .1);
            --shadow-lg: 0 20px 50px rgba(24, 48, 87, .14);
            --orange-shadow: 0 10px 24px rgba(255, 158, 60, .3);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Segoe UI", sans-serif;
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            min-width: 320px;
        }

        body.no-scroll {
            overflow: hidden;
        }

        ul,
        ol {
            list-style: none;
        }

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

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

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

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 32px;
        }

        .section {
            padding: 100px 0;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 48px;
            padding: 0 22px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 15px;
            line-height: 1;
            white-space: nowrap;
            transition: transform .22s ease, box-shadow .22s ease, background .22s ease, border-color .22s ease, color .22s ease;
        }

        .btn i {
            font-size: 15px;
        }

        .btn-primary {
            background: var(--accent);
            color: #fff;
            box-shadow: var(--orange-shadow);
            border: 1px solid transparent;
        }

        .btn-primary:hover {
            background: var(--accent-dark);
            transform: translateY(-3px);
            box-shadow: 0 14px 30px rgba(236, 126, 16, .36);
        }

        .btn-primary:active {
            transform: translateY(-1px);
        }

        .btn-outline {
            background: transparent;
            border: 1.5px solid var(--primary);
            color: var(--primary);
            box-shadow: none;
        }

        .btn-outline:hover {
            background: var(--primary-bg);
            transform: translateY(-3px);
            box-shadow: 0 12px 24px rgba(47, 111, 237, .12);
        }

        .btn-light {
            background: #fff;
            border: 1px solid var(--border);
            color: var(--text);
            box-shadow: 0 8px 18px rgba(24, 48, 87, .08);
        }

        .btn-light:hover {
            color: var(--primary);
            background: #F8FBFF;
            transform: translateY(-3px);
        }

        .btn-sm {
            height: 42px;
            padding: 0 18px;
            font-size: 14px;
        }

        .status {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 700;
            line-height: 1.4;
            width: fit-content;
            white-space: nowrap;
        }

        .status::before {
            content: "";
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: currentColor;
        }

        .status-live {
            background: rgba(0, 168, 143, .12);
            color: var(--green-deep);
            border: 1px solid rgba(0, 168, 143, .2);
        }

        .status-upcoming {
            background: var(--primary-bg);
            color: var(--primary);
            border: 1px solid #C6DCF8;
        }

        .status-ended {
            background: #ECF1F7;
            color: var(--text3);
            border: 1px solid #DCE5F0;
        }

        .section-head {
            max-width: 760px;
            margin-bottom: 52px;
        }

        .section-head.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 700;
            color: var(--primary);
            padding: 4px 12px;
            border-radius: 999px;
            background: var(--primary-bg);
            margin-bottom: 16px;
            letter-spacing: .5px;
        }

        .section-head h2 {
            font-size: clamp(28px, 2.6vw, 38px);
            line-height: 1.25;
            font-weight: 800;
            color: var(--text);
            letter-spacing: .5px;
            margin-bottom: 12px;
        }

        .section-head p {
            color: var(--text2);
            font-size: 16px;
            line-height: 1.8;
            margin-top: 14px;
        }

        /* ========== Header ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, .9);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(220, 232, 250, .9);
            box-shadow: 0 2px 10px rgba(24, 48, 87, .04);
        }

        .header-inner {
            height: 76px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
        }

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

        .logo-icon {
            width: 42px;
            height: 42px;
            border-radius: 13px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 21px;
            font-weight: 800;
            box-shadow: 0 8px 18px rgba(47, 111, 237, .24);
        }

        .logo-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--text);
            letter-spacing: .5px;
        }

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

        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 17px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text2);
            transition: background .2s ease, color .2s ease;
        }

        .nav-link:hover {
            background: var(--primary-bg);
            color: var(--primary);
        }

        .nav-link.active {
            background: var(--primary-bg);
            color: var(--primary);
            font-weight: 700;
        }

        .nav-cta {
            margin-left: 14px;
        }

        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--border);
            border-radius: 10px;
            font-size: 18px;
            color: var(--text);
            background: #fff;
            cursor: pointer;
            transition: border-color .2s ease, color .2s ease;
        }

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

        /* ========== Hero ========== */
        .hero {
            position: relative;
            padding: 104px 0 96px;
            overflow: hidden;
        }

        .hero-bg-dots {
            position: absolute;
            inset: 0;
            pointer-events: none;
            background-image: radial-gradient(rgba(47, 111, 237, .1) 1px, transparent 1px);
            background-size: 24px 24px;
            opacity: .5;
            -webkit-mask-image: linear-gradient(90deg, transparent, #fff 55%, #fff);
            mask-image: linear-gradient(90deg, transparent, #fff 55%, #fff);
        }

        .hero-glow {
            position: absolute;
            width: 440px;
            height: 440px;
            right: -120px;
            top: -160px;
            background: radial-gradient(circle, rgba(47, 111, 237, .16), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-glow-left {
            position: absolute;
            width: 360px;
            height: 360px;
            left: -180px;
            bottom: -120px;
            background: radial-gradient(circle, rgba(255, 158, 60, .1), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-inner {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.05fr .95fr;
            gap: 72px;
            align-items: center;
        }

        .hero-title {
            font-size: clamp(34px, 4vw, 54px);
            line-height: 1.18;
            font-weight: 800;
            color: var(--text);
            letter-spacing: 1px;
            margin-bottom: 22px;
        }

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

        .hero-subtitle {
            max-width: 540px;
            color: var(--text2);
            font-size: 17px;
            line-height: 1.9;
            margin-bottom: 32px;
        }

        .hero-actions {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 34px;
        }

        .hero-trust {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px 24px;
        }

        .trust-item {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            font-size: 14px;
            color: var(--text2);
        }

        .trust-item i {
            color: var(--green);
            font-size: 15px;
        }

        .hero-visual {
            position: relative;
        }

        .visual-ticket {
            position: relative;
            background: #fff;
            border-radius: 22px;
            box-shadow: var(--shadow-lg);
            overflow: hidden;
            border: 1px solid rgba(220, 232, 250, .8);
            max-width: 520px;
            margin-left: auto;
        }

        .ticket-media {
            position: relative;
            background: var(--primary-bg);
        }

        .ticket-media img {
            width: 100%;
            height: 215px;
            object-fit: cover;
        }

        .ticket-ribbon {
            position: absolute;
            top: 16px;
            left: 16px;
            background: rgba(0, 168, 143, .94);
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            padding: 6px 14px;
            border-radius: 999px;
            box-shadow: 0 6px 16px rgba(0, 168, 143, .34);
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
        }

        .ticket-content {
            padding: 26px 28px 28px;
        }

        .ticket-caption {
            font-size: 12px;
            color: var(--text3);
            text-transform: uppercase;
            letter-spacing: .8px;
            margin-bottom: 6px;
        }

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

        .ticket-content p {
            color: var(--text2);
            font-size: 15px;
            line-height: 1.8;
        }

        .ticket-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-top: 18px;
            padding-top: 16px;
            border-top: 1.5px dashed var(--border);
            color: var(--text2);
            font-size: 14px;
        }

        .ticket-meta i {
            color: var(--primary);
            font-size: 15px;
        }

        .ticket-note {
            position: absolute;
            right: -22px;
            bottom: 24px;
            background: var(--deep);
            color: #fff;
            border-radius: 14px;
            box-shadow: var(--shadow-md);
            padding: 14px 18px;
            font-size: 13px;
            line-height: 1.5;
            max-width: 190px;
            text-align: center;
        }

        .ticket-note strong {
            display: block;
            color: var(--accent);
            font-size: 20px;
            margin-bottom: 2px;
        }

        /* ========== Activity section ========== */
        .activity-section {
            padding-top: 80px;
        }

        .activity-panel {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .activity-row {
            position: relative;
            display: grid;
            grid-template-columns: 160px 1fr auto;
            align-items: center;
            gap: 28px;
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            padding: 28px 30px;
            transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
        }

        .activity-row:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
            border-color: #C6DCF8;
        }

        .activity-row::before,
        .activity-row::after {
            content: "";
            position: absolute;
            left: 176px;
            width: 20px;
            height: 40px;
            background: var(--bg);
            border: 1px solid var(--border);
            z-index: 2;
        }

        .activity-row::before {
            top: -20px;
            border-radius: 0 0 999px 999px;
            border-top: 0;
            background: var(--bg);
        }

        .activity-row::after {
            bottom: -20px;
            border-radius: 999px 999px 0 0;
            border-bottom: 0;
            background: var(--bg);
        }

        .activity-row.is-featured .activity-date {
            background: var(--deep);
            border-color: var(--deep);
            color: #fff;
        }

        .activity-row.is-featured .activity-date small {
            color: rgba(255, 255, 255, .7);
        }

        .activity-row.is-featured {
            border-color: var(--deep);
            box-shadow: 0 16px 40px rgba(11, 31, 59, .12);
        }

        .activity-row.is-featured:hover {
            box-shadow: 0 22px 48px rgba(11, 31, 59, .2);
        }

        .activity-date {
            background: var(--primary-bg);
            border: 1px solid #CBDDF8;
            color: var(--primary);
            border-radius: 16px;
            height: 100%;
            min-height: 92px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding: 12px 16px;
            text-align: center;
            line-height: 1.3;
        }

        .activity-date strong {
            font-size: 25px;
            font-weight: 800;
            letter-spacing: 1px;
        }

        .activity-date small {
            font-size: 13px;
            color: var(--text2);
            margin-top: 4px;
        }

        .activity-body .activity-tag-row {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 8px;
        }

        .activity-body h3 {
            font-size: 21px;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 8px;
        }

        .activity-body p {
            color: var(--text2);
            font-size: 15px;
            line-height: 1.8;
            max-width: 640px;
        }

        .activity-row .activity-action {
            justify-self: end;
        }

        /* ========== steps ========== */
        .steps-section {
            background: #fff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            position: relative;
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 22px;
            margin-top: 12px;
        }

        .step-item {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 18px;
            padding: 30px 26px;
            position: relative;
            transition: transform .28s ease, box-shadow .28s ease;
        }

        .step-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            background: #fff;
        }

        .step-num {
            width: 36px;
            height: 36px;
            border-radius: 12px;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 800;
            box-shadow: 0 8px 16px rgba(47, 111, 237, .24);
            margin-bottom: 18px;
        }

        .step-item:nth-child(2) .step-num {
            background: var(--primary-light);
        }

        .step-item:nth-child(3) .step-num {
            background: var(--green);
            box-shadow: 0 8px 16px rgba(0, 168, 143, .24);
        }

        .step-item:nth-child(4) .step-num {
            background: var(--accent);
            box-shadow: 0 8px 16px rgba(255, 158, 60, .28);
        }

        .step-item h3 {
            font-size: 18px;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 8px;
        }

        .step-item p {
            color: var(--text2);
            font-size: 14px;
            line-height: 1.8;
        }

        /* ========== Countdown ========== */
        .countdown-section {
            padding: 90px 0;
            background: var(--deep);
            position: relative;
            overflow: hidden;
        }

        .countdown-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: radial-gradient(rgba(255, 255, 255, .14) 1px, transparent 1px);
            background-size: 22px 22px;
            opacity: .34;
            pointer-events: none;
        }

        .countdown-wrap {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 760px;
            margin: 0 auto;
        }

        .countdown-wrap .section-tag {
            background: rgba(255, 255, 255, .1);
            color: #fff;
        }

        .countdown-wrap .section-tag::before {
            content: "";
            width: 6px;
            height: 6px;
            background: var(--accent);
            border-radius: 50%;
        }

        .countdown-wrap h2 {
            font-size: clamp(30px, 3.2vw, 42px);
            color: #fff;
            font-weight: 800;
            margin-bottom: 10px;
            line-height: 1.3;
        }

        .countdown-wrap>p {
            color: rgba(255, 255, 255, .68);
            font-size: 16px;
            margin-top: 12px;
        }

        .countdown-grid {
            display: flex;
            justify-content: center;
            gap: 16px;
            margin: 42px 0 32px;
        }

        .count-item {
            min-width: 96px;
            padding: 20px 14px 14px;
            background: rgba(255, 255, 255, .1);
            border: 1px solid rgba(255, 255, 255, .14);
            border-radius: 16px;
            backdrop-filter: blur(4px);
            -webkit-backdrop-filter: blur(4px);
        }

        .count-item strong {
            display: block;
            font-size: 42px;
            line-height: 1.1;
            font-weight: 800;
            color: #fff;
            letter-spacing: 2px;
        }

        .count-item span {
            display: block;
            margin-top: 6px;
            font-size: 13px;
            color: rgba(255, 255, 255, .7);
            letter-spacing: .5px;
        }

        .countdown-note {
            color: rgba(255, 255, 255, .78);
            font-size: 15px;
            line-height: 1.9;
            margin-bottom: 26px;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 840px;
            margin: 0 auto;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-left: 3px solid transparent;
            border-radius: 16px;
            padding: 24px 30px;
            margin-bottom: 16px;
            box-shadow: var(--shadow-sm);
            transition: border-color .25s ease, box-shadow .25s ease;
        }

        .faq-item[open] {
            border-left-color: var(--primary);
            box-shadow: var(--shadow-md);
        }

        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
            cursor: pointer;
            font-size: 17px;
            font-weight: 600;
            color: var(--text);
            list-style: none;
            transition: color .2s;
        }

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

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

        .faq-item summary::after {
            content: "+";
            font-size: 24px;
            font-weight: 300;
            color: var(--primary);
            width: 30px;
            height: 30px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            background: var(--primary-bg);
            flex-shrink: 0;
            transition: transform .26s ease, background .2s ease;
        }

        .faq-item[open] summary::after {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }

        .faq-answer {
            padding-top: 16px;
            color: var(--text2);
            font-size: 15px;
            line-height: 1.8;
        }

        .faq-answer a {
            color: var(--primary);
            font-weight: 600;
        }

        /* ========== Contact ========== */
        .contact-section {
            background: linear-gradient(180deg, var(--bg) 0%, #EDF4FF 100%);
        }

        .contact-shell {
            display: grid;
            grid-template-columns: .85fr 1.15fr;
            gap: 30px;
            align-items: stretch;
        }

        .contact-info {
            background: var(--primary);
            color: #fff;
            border-radius: 20px;
            padding: 38px 36px;
            position: relative;
            overflow: hidden;
        }

        .contact-info::before {
            content: "";
            position: absolute;
            width: 240px;
            height: 240px;
            right: -90px;
            bottom: -90px;
            background: rgba(255, 255, 255, .08);
            border-radius: 50%;
        }

        .contact-info h2 {
            font-size: 30px;
            font-weight: 800;
            margin-bottom: 14px;
        }

        .contact-info>p {
            color: rgba(255, 255, 255, .86);
            font-size: 15px;
            line-height: 1.85;
            margin-bottom: 28px;
        }

        .info-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .info-list li {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            color: rgba(255, 255, 255, .9);
            font-size: 14px;
            line-height: 1.7;
        }

        .info-list li i {
            margin-top: 4px;
            color: #fff;
            width: 20px;
            text-align: center;
            flex-shrink: 0;
        }

        .contact-form-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 20px;
            box-shadow: var(--shadow-md);
            padding: 36px 38px;
        }

        .contact-form-card h3 {
            font-size: 22px;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 6px;
        }

        .contact-form-card .form-intro {
            font-size: 14px;
            color: var(--text3);
            margin-bottom: 24px;
        }

        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 18px;
        }

        .form-group {
            margin-bottom: 18px;
        }

        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 7px;
        }

        .form-group label i {
            color: var(--primary-light);
            margin-right: 4px;
        }

        .form-control,
        .form-select,
        .form-textarea {
            width: 100%;
            height: 46px;
            border: 1px solid #D4E1F5;
            border-radius: 10px;
            background: #fff;
            padding: 0 15px;
            font-size: 15px;
            color: var(--text);
            outline: none;
            transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
        }

        .form-textarea {
            height: 104px;
            resize: vertical;
            padding: 12px 15px;
            line-height: 1.6;
        }

        .form-control:focus,
        .form-select:focus,
        .form-textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(47, 111, 237, .12);
            background: #fff;
        }

        .form-control::placeholder,
        .form-textarea::placeholder {
            color: var(--text3);
        }

        .select-wrap {
            position: relative;
        }

        .select-wrap::after {
            content: "";
            position: absolute;
            right: 14px;
            top: 50%;
            transform: translateY(-50%);
            width: 0;
            height: 0;
            border-left: 6px solid transparent;
            border-right: 6px solid transparent;
            border-top: 7px solid var(--text3);
            pointer-events: none;
        }

        .select-wrap select {
            appearance: none;
            -webkit-appearance: none;
            cursor: pointer;
            padding-right: 36px;
        }

        .form-privacy {
            display: flex;
            gap: 10px;
            align-items: flex-start;
            margin: 8px 0 22px;
            cursor: pointer;
        }

        .form-privacy input {
            width: 18px;
            height: 18px;
            margin-top: 3px;
            accent-color: var(--green);
            cursor: pointer;
        }

        .form-privacy .privacy-text {
            font-size: 13px;
            color: var(--text3);
            line-height: 1.7;
        }

        .form-status {
            margin-top: 12px;
            font-size: 14px;
            line-height: 1.7;
            min-height: 24px;
        }

        .form-status.is-success {
            color: var(--green-deep);
            background: rgba(0, 168, 143, .1);
            border-radius: 10px;
            padding: 8px 12px;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--deep);
            color: rgba(255, 255, 255, .72);
            padding: 72px 0 0;
        }

        .site-footer a {
            transition: color .2s ease;
        }

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

        .footer-grid {
            display: grid;
            grid-template-columns: 1.45fr .8fr .85fr 1.05fr;
            gap: 48px;
        }

        .footer-about .logo .logo-icon {
            width: 38px;
            height: 38px;
            font-size: 18px;
            border-radius: 12px;
            background: #fff;
            color: var(--primary);
            box-shadow: none;
        }

        .footer-about .logo .logo-text {
            color: #fff;
        }

        .footer-desc {
            margin-top: 18px;
            font-size: 14px;
            color: rgba(255, 255, 255, .64);
            line-height: 1.9;
            max-width: 380px;
        }

        .footer-heading {
            font-size: 16px;
            color: #fff;
            font-weight: 700;
            margin-bottom: 18px;
            letter-spacing: .4px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 11px;
            font-size: 14px;
            color: rgba(255, 255, 255, .72);
        }

        .footer-links a {
            line-height: 1.5;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .14);
            margin-top: 56px;
            padding: 20px 0;
        }

        .footer-bottom .footer-bottom-inner {
            display: flex;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            align-items: center;
            font-size: 13px;
            color: rgba(255, 255, 255, .5);
        }

        /* ========== focus ========== */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible,
        summary:focus-visible {
            outline: 3px solid rgba(47, 111, 237, .36);
            outline-offset: 3px;
            border-radius: 8px;
        }

        /* ========== responsive ========== */
        @media (max-width: 1023px) {
            .nav-menu {
                position: fixed;
                left: 0;
                top: 76px;
                width: 100%;
                height: calc(100vh - 76px);
                background: #F8FBFF;
                border-top: 1px solid var(--border);
                flex-direction: column;
                align-items: flex-start;
                justify-content: flex-start;
                gap: 8px;
                padding: 32px 24px;
                transform: translateY(-16px);
                opacity: 0;
                visibility: hidden;
                pointer-events: none;
                transition: opacity .25s ease, transform .25s ease, visibility .25s ease;
                overflow-y: auto;
                z-index: 99;
            }

            .nav-menu.open {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
                pointer-events: auto;
            }

            .nav-link {
                width: 100%;
                padding: 13px 16px;
                font-size: 19px;
                border-radius: 12px;
            }

            .nav-cta {
                width: 100%;
                margin: 18px 0 0;
                justify-content: center;
            }

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

            .hero-inner {
                grid-template-columns: 1fr;
                gap: 64px;
            }

            .hero-visual {
                max-width: 540px;
                margin: 0 auto;
                width: 100%;
            }

            .visual-ticket {
                margin-left: 0;
            }

            .ticket-note {
                right: -18px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
            }

            .activity-row {
                grid-template-columns: 145px 1fr;
            }

            .activity-row::before,
            .activity-row::after {
                left: 156px;
            }

            .activity-row .activity-action {
                grid-column: 2;
                justify-self: start;
                margin-top: -6px;
            }

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

            .contact-shell {
                grid-template-columns: 1fr;
            }

            .form-row {
                grid-template-columns: 1fr;
                gap: 0;
            }
        }

        @media (max-width: 767px) {
            .section {
                padding: 66px 0;
            }

            .container {
                padding: 0 20px;
            }

            .hero {
                padding: 72px 0 66px;
            }

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

            .hero-trust {
                align-items: flex-start;
                flex-direction: column;
                gap: 10px;
            }

            .activity-row {
                grid-template-columns: 1fr;
                gap: 16px;
                padding: 22px 20px;
            }

            .activity-row::before,
            .activity-row::after {
                display: none;
            }

            .activity-date {
                min-height: auto;
                flex-direction: row;
                gap: 10px;
                justify-content: flex-start;
                padding: 12px 16px;
                width: 100%;
            }

            .activity-date small {
                margin-top: 0;
            }

            .activity-row .activity-action {
                grid-column: auto;
                justify-self: stretch;
                margin-top: 0;
            }

            .activity-row .btn {
                width: 100%;
            }

            .activity-body p {
                font-size: 14px;
            }

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

            .countdown-grid {
                flex-wrap: wrap;
                gap: 10px;
            }

            .count-item {
                min-width: calc(50% - 10px);
                padding: 15px 10px 12px;
            }

            .count-item strong {
                font-size: 34px;
            }

            .faq-item {
                padding: 20px 18px;
            }

            .faq-item summary {
                font-size: 16px;
            }

            .contact-info,
            .contact-form-card {
                padding: 28px 22px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 34px;
            }

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

            .form-row {
                grid-template-columns: 1fr;
            }

            .visual-ticket .ticket-media img {
                height: 180px;
            }

            .ticket-note {
                position: static;
                max-width: 100%;
                margin: 12px 0 0;
                border-radius: 12px;
            }

            .ticket-content {
                padding: 22px 20px;
            }
        }

        @media (max-width: 420px) {
            .logo-text {
                font-size: 18px;
            }

            .header-inner {
                height: 68px;
                gap: 12px;
            }

            .nav-menu {
                top: 68px;
                height: calc(100vh - 68px);
            }

            .nav-cta {
                margin-top: 12px;
            }

            .activity-date {
                flex-direction: column;
                gap: 4px;
                align-items: flex-start;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                transition: none !important;
                animation: none !important;
                scroll-behavior: auto !important;
            }
        }