/* roulang page: index */
:root {
            --primary: #2D6A8E;
            --primary-dark: #1F4D68;
            --primary-light: #E8F1F7;
            --secondary: #C89B6C;
            --secondary-light: #F5E9DB;
            --accent: #4A9B8C;
            --bg: #F4F7FA;
            --white: #FFFFFF;
            --text: #243B53;
            --text-light: #627D98;
            --border: #D9E2EC;
            --radius: 14px;
            --radius-sm: 8px;
            --shadow-sm: 0 2px 8px rgba(36, 59, 83, 0.06);
            --shadow: 0 8px 30px rgba(36, 59, 83, 0.08);
            --shadow-lg: 0 16px 48px rgba(36, 59, 83, 0.12);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --container-w: 1200px;
            --section-pad: 90px 0;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

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

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

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

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

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

        .section {
            padding: var(--section-pad);
        }

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

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

        .text-light {
            color: var(--text-light);
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.5px;
            padding: 6px 16px;
            border-radius: 50px;
            text-transform: uppercase;
            margin-bottom: 18px;
        }

        .eyebrow i {
            font-size: 14px;
        }

        .section-title {
            font-size: 36px;
            line-height: 1.3;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 14px;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-light);
            max-width: 640px;
            line-height: 1.8;
            margin-bottom: 48px;
        }

        .section-desc.center {
            margin-left: auto;
            margin-right: auto;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            border-radius: 50px;
            font-size: 15px;
            font-weight: 600;
            line-height: 1;
            border: 2px solid transparent;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn i {
            font-size: 14px;
        }

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

        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(45, 106, 142, 0.3);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(45, 106, 142, 0.2);
        }

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

        .btn-outline:hover {
            background: rgba(45, 106, 142, 0.08);
            border-color: var(--primary-dark);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }

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

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

        .btn-white:hover {
            background: rgba(255, 255, 255, 0.9);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
        }

        .btn-lg {
            padding: 16px 40px;
            font-size: 16px;
        }

        .btn-block {
            width: 100%;
            justify-content: center;
        }

        .btn:focus-visible,
        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(45, 106, 142, 0.3);
            outline-offset: 2px;
        }

        /* Topbar */
        .topbar {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.9);
            font-size: 13px;
            padding: 8px 0;
        }

        .topbar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
        }

        .topbar-left {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .topbar-links {
            display: flex;
            gap: 20px;
        }

        .topbar-links a {
            color: rgba(255, 255, 255, 0.85);
            font-size: 13px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

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

        .topbar-links i {
            font-size: 12px;
        }

        /* Header / Nav */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 12px rgba(36, 59, 83, 0.04);
        }

        .main-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 20px;
        }

        .logo {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
            color: var(--text);
        }

        .logo-main {
            font-size: 20px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.5px;
        }

        .logo-sub {
            font-size: 12px;
            color: var(--text-light);
            font-weight: 400;
            letter-spacing: 0.2px;
        }

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

        .nav-menu {
            display: flex;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-menu li a {
            display: block;
            padding: 10px 20px;
            font-weight: 500;
            color: var(--text);
            border-radius: 50px;
            font-size: 15px;
        }

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

        .nav-menu li a.active {
            background: var(--primary);
            color: #fff;
        }

        .nav-cta {
            padding: 10px 24px;
            font-size: 14px;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--text);
            padding: 4px;
            cursor: pointer;
            line-height: 1;
        }

        /* Hero */
        .hero {
            position: relative;
            background: url('/assets/images/backpic/back-1.jpg') no-repeat center center/cover;
            padding: 100px 0 0;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(255, 255, 255, 0.96) 0%, rgba(255, 255, 255, 0.88) 50%, rgba(255, 255, 255, 0.72) 100%);
        }

        .hero-inner {
            position: relative;
            z-index: 2;
        }

        .hero-text {
            max-width: 720px;
            margin: 0 auto;
            text-align: center;
            padding: 20px 0 40px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(45, 106, 142, 0.12);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 8px 20px;
            border-radius: 50px;
            margin-bottom: 24px;
            backdrop-filter: blur(4px);
            border: 1px solid rgba(45, 106, 142, 0.15);
        }

        .hero-badge i {
            font-size: 12px;
        }

        .hero-text h1 {
            font-size: 44px;
            line-height: 1.3;
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.5px;
            margin-bottom: 20px;
        }

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

        .hero-text p {
            font-size: 17px;
            color: var(--text-light);
            line-height: 1.8;
            margin-bottom: 36px;
            max-width: 620px;
            margin-left: auto;
            margin-right: auto;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .hero-stats {
            display: flex;
            gap: 40px;
            justify-content: center;
            margin-top: 32px;
            flex-wrap: wrap;
        }

        .hero-stats .stat-item {
            text-align: center;
        }

        .hero-stats .stat-item strong {
            display: block;
            font-size: 28px;
            font-weight: 800;
            color: var(--text);
            line-height: 1.2;
        }

        .hero-stats .stat-item span {
            font-size: 13px;
            color: var(--text-light);
        }

        .hero-panel {
            background: #fff;
            border-radius: 24px 24px 0 0;
            box-shadow: var(--shadow-lg);
            padding: 40px 48px;
            position: relative;
            z-index: 2;
            margin-top: 40px;
            border: 1px solid rgba(217, 226, 236, 0.6);
            border-bottom: none;
        }

        .hero-panel-inner {
            display: flex;
            align-items: center;
            gap: 40px;
        }

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

        .progress-ring {
            width: 96px;
            height: 96px;
            flex-shrink: 0;
        }

        .progress-ring svg {
            display: block;
        }

        .progress-info strong {
            display: block;
            font-size: 16px;
            color: var(--text);
            margin-bottom: 4px;
        }

        .progress-info span {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.5;
        }

        .tier-wrap {
            display: flex;
            gap: 12px;
            flex: 1;
            align-items: center;
        }

        .tier-item {
            flex: 1;
            text-align: center;
            padding: 16px 12px;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }

        .tier-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
        }

        .tier-item.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            transform: scale(1.03);
            box-shadow: 0 8px 24px rgba(45, 106, 142, 0.2);
        }

        .tier-item .tier-name {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
        }

        .tier-item .tier-price {
            display: block;
            font-size: 18px;
            font-weight: 800;
            color: var(--primary);
        }

        .tier-item.active .tier-name,
        .tier-item.active .tier-price {
            color: #fff;
        }

        .hero-support-btn {
            flex-shrink: 0;
        }

        /* Section: Stage */
        .stage {
            padding: var(--section-pad);
            background: var(--bg);
        }

        .stage-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
        }

        .stage-content .eyebrow {
            margin-bottom: 14px;
        }

        .stage-content .section-title {
            font-size: 32px;
            margin-bottom: 16px;
        }

        .stage-content .section-desc {
            margin-bottom: 24px;
            font-size: 16px;
        }

        .stage-feature-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .stage-feature-list li {
            display: flex;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid var(--border);
            font-size: 15px;
            color: var(--text);
        }

        .stage-feature-list li:last-child {
            border-bottom: none;
        }

        .stage-feature-list li i {
            color: var(--primary);
            font-size: 18px;
            margin-top: 2px;
            flex-shrink: 0;
        }

        .stage-visual {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .stage-visual .img-card {
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            position: relative;
        }

        .stage-visual .img-card:first-child {
            grid-column: span 2;
        }

        .stage-visual .img-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }

        .stage-visual .img-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 160px;
            max-height: 240px;
        }

        .stage-visual .img-card:first-child img {
            max-height: 300px;
        }

        .img-card-caption {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: rgba(36, 59, 83, 0.7);
            color: #fff;
            font-size: 13px;
            padding: 12px 16px;
            backdrop-filter: blur(4px);
            text-align: center;
        }

        /* Section: Steps */
        .steps {
            padding: var(--section-pad);
            background: var(--white);
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
            margin-top: 40px;
        }

        .step-card {
            background: var(--bg);
            border-radius: 16px;
            padding: 40px 32px;
            position: relative;
            border: 1px solid transparent;
            transition: var(--transition);
            text-align: left;
        }

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

        .step-number {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            background: var(--primary);
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            border-radius: 14px;
            margin-bottom: 20px;
    }

        .step-card:nth-child(2) .step-number {
            background: var(--secondary);
        }

        .step-card:nth-child(3) .step-number {
            background: var(--accent);
        }

        .step-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text);
        }

        .step-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .step-link {
            font-size: 14px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .step-link:hover {
            gap: 12px;
        }

        /* Section: Reviews */
        .reviews {
            padding: var(--section-pad);
            background: var(--bg);
            position: relative;
            overflow: hidden;
        }

        .reviews::before {
            content: '\2014';
            position: absolute;
            top: 30px;
            left: 50%;
            transform: translateX(-50%);
            font-size: 200px;
            color: var(--primary-light);
            opacity: 0.4;
            line-height: 1;
            font-family: serif;
            pointer-events: none;
        }

        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
            margin-top: 40px;
        }

        .review-card {
            background: #fff;
            border-radius: 16px;
            padding: 32px;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(217, 226, 236, 0.5);
            transition: var(--transition);
        }

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

        .review-card .quote {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text);
            margin-bottom: 24px;
            position: relative;
            padding-left: 0;
        }

        .review-card .quote::before {
            content: '\201C';
            font-size: 48px;
            color: var(--primary-light);
            font-family: serif;
            line-height: 0.6;
            display: block;
            margin-bottom: 12px;
        }

        .review-user {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .review-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 16px;
            flex-shrink: 0;
        }

        .review-user-info .name {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.3;
        }

        .review-user-info .role {
            font-size: 13px;
            color: var(--text-light);
        }

        .review-stars {
            margin-left: auto;
            color: #f5a623;
            font-size: 13px;
            letter-spacing: 2px;
        }

        /* Section: News */
        .news {
            padding: var(--section-pad);
            background: var(--white);
        }

        .news-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 48px;
            margin-top: 40px;
        }

        .news-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .news-list li {
            display: flex;
            gap: 20px;
            padding: 24px 0;
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
            align-items: flex-start;
        }

        .news-list li:last-child {
            border-bottom: none;
        }

        .news-list li:hover {
            padding-left: 8px;
        }

        .news-date {
            background: var(--primary-light);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 30px;
            white-space: nowrap;
            margin-top: 4px;
        }

        .news-list li a {
            font-size: 16px;
            font-weight: 500;
            color: var(--text);
            line-height: 1.5;
            display: block;
        }

        .news-list li a:hover {
            color: var(--primary);
        }

        .news-list li p {
            font-size: 14px;
            color: var(--text-light);
            margin-top: 6px;
            line-height: 1.5;
        }

        .news-sidebar {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .news-side-card {
            background: var(--bg);
            border-radius: 14px;
            padding: 20px;
            display: flex;
            align-items: center;
            gap: 16px;
            border: 1px solid rgba(217, 226, 236, 0.4);
            transition: var(--transition);
        }

        .news-side-card:hover {
            box-shadow: var(--shadow-sm);
            border-color: var(--border);
            transform: translateY(-2px);
        }

        .news-side-card img {
            width: 64px;
            height: 64px;
            border-radius: 10px;
            object-fit: cover;
            flex-shrink: 0;
        }

        .news-side-card .side-info .side-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 4px;
            line-height: 1.3;
        }

        .news-side-card .side-info .side-meta {
            font-size: 12px;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .side-meta i {
            font-size: 11px;
            color: var(--secondary);
        }

        .news-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-top: 20px;
            font-size: 15px;
            font-weight: 600;
        }

        .news-more i {
            transition: transform 0.3s;
        }

        .news-more:hover i {
            transform: translateX(6px);
        }

        /* Section: FAQ */
        .faq-section {
            padding: var(--section-pad);
            background: var(--bg);
        }

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

        .faq-item {
            background: #fff;
            border-radius: 14px;
            border: 1px solid var(--border);
            margin-bottom: 16px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(45, 106, 142, 0.3);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            padding: 22px 28px;
            font-size: 17px;
            font-weight: 600;
            color: var(--text);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
        }

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

        .faq-question i {
            font-size: 16px;
            color: var(--text-light);
            transition: var(--transition);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question i {
            transform: rotate(45deg);
            color: var(--primary);
        }

        .faq-item.open .faq-question {
            color: var(--primary);
        }

        .faq-answer {
            padding: 0 28px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            padding: 0 28px 24px;
            max-height: 500px;
        }

        /* Section: Download */
        .download {
            padding: 80px 0;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            position: relative;
            overflow: hidden;
        }

        .download::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
        }

        .download::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
        }

        .download-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 48px;
            position: relative;
            z-index: 2;
            flex-wrap: wrap;
        }

        .download-text {
            flex: 1;
            min-width: 280px;
        }

        .download-text h2 {
            font-size: 34px;
            color: #fff;
            font-weight: 700;
            margin-bottom: 14px;
            line-height: 1.3;
        }

        .download-text p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 16px;
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 460px;
        }

        .download-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .download-qr {
            background: #fff;
            border-radius: 20px;
            padding: 24px;
            text-align: center;
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.2);
            flex-shrink: 0;
        }

        .download-qr .qr-placeholder {
            width: 120px;
            height: 120px;
            background: var(--bg);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 40px;
            color: var(--primary);
            margin-bottom: 12px;
        }

        .download-qr span {
            font-size: 14px;
            color: var(--text);
            font-weight: 500;
        }

        .download-qr small {
            display: block;
            font-size: 12px;
            color: var(--text-light);
            margin-top: 4px;
        }

        /* Footer */
        .site-footer {
            background: #1A2B3C;
            color: rgba(255, 255, 255, 0.8);
            padding: 68px 0 0;
        }

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

        .footer-brand .logo-main {
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            display: block;
            margin-bottom: 6px;
        }

        .footer-brand .logo-sub {
            color: rgba(255, 255, 255, 0.6);
            font-size: 13px;
            display: block;
            margin-bottom: 16px;
        }

        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.8;
            max-width: 360px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }

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

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

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            transition: var(--transition);
        }

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

        .footer-col ul li a i {
            margin-right: 6px;
            font-size: 12px;
            width: 16px;
            text-align: center;
        }

        .footer-bottom {
            padding: 24px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            text-align: center;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.7);
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            .section {
                padding: 72px 0;
            }

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

            .stage-visual .img-card:first-child img {
                max-height: 260px;
            }

            .hero-panel-inner {
                flex-wrap: wrap;
                gap: 24px;
            }

            .tier-wrap {
                flex: 1 1 60%;
            }

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

            .news-layout {
                grid-template-columns: 1fr;
            }

            .news-sidebar {
                flex-direction: row;
                flex-wrap: wrap;
            }

            .news-side-card {
                flex: 1;
                min-width: 240px;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }

            .section-title {
                font-size: 28px;
            }

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

            .hero-text p {
                font-size: 15px;
            }

            .hero {
                padding: 60px 0 0;
            }

            .hero-panel {
                padding: 24px;
                border-radius: 20px 20px 0 0;
            }

            .hero-panel-inner {
                flex-direction: column;
                align-items: stretch;
            }

            .progress-block {
                justify-content: center;
            }

            .tier-wrap {
                flex: 1;
                flex-direction: row;
                justify-content: center;
                flex-wrap: wrap;
            }

            .tier-item {
                min-width: 120px;
                flex: 0 1 auto;
            }

            .hero-support-btn {
                text-align: center;
            }

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

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

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

            .news-layout {
                grid-template-columns: 1fr;
            }

            .news-sidebar {
                flex-direction: column;
            }

            .download-inner {
                flex-direction: column;
                text-align: center;
            }

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

            .download-text p {
                margin-left: auto;
                margin-right: auto;
            }

            .download-actions {
                justify-content: center;
            }

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

            .main-nav {
                height: 64px;
            }

            .nav-toggle {
                display: block;
            }

            .nav-menu {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 16px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow);
            }

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

            .nav-menu li a {
                padding: 14px 20px;
                border-radius: 10px;
            }

            .nav-cta {
                display: none;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .section {
                padding: 48px 0;
            }

            .section-title {
                font-size: 24px;
            }

            .hero-text h1 {
                font-size: 26px;
            }

            .hero-text p {
                font-size: 14px;
            }

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

            .hero-stats {
                gap: 24px;
            }

            .hero-stats .stat-item strong {
                font-size: 22px;
            }

            .hero-panel {
                padding: 20px;
            }

            .progress-block {
                flex-direction: column;
                text-align: center;
            }

            .tier-item {
                min-width: 100%;
            }

            .tier-wrap {
                flex-direction: column;
            }

            .stage-visual .img-card:first-child img {
                max-height: 200px;
            }

            .stage-visual {
                grid-template-columns: 1fr;
            }

            .stage-visual .img-card:first-child {
                grid-column: span 1;
            }

            .stage-visual .img-card img {
                max-height: 200px;
            }

            .review-card {
                padding: 24px;
            }

            .faq-question {
                padding: 18px 20px;
                font-size: 15px;
            }

            .faq-answer {
                padding: 0 20px;
                font-size: 14px;
            }

            .download-qr {
                width: 100%;
            }

            .footer-bottom {
                font-size: 13px;
                padding: 20px 16px;
            }

            .topbar-links a:first-child {
                display: none;
            }
        }