/* roulang page: index */
/* ========== 设计变量 ========== */
        :root {
            --primary: #4A7FA6;
            --primary-dark: #3A6A8C;
            --primary-light: #EAF2F8;
            --amber: #C08A4A;
            --green: #6B8F71;
            --gray: #9AA7B0;
            --bg: #F7FAFC;
            --white: #FFFFFF;
            --text-title: #1E3A4F;
            --text-body: #3E5C6E;
            --text-mute: #7B95A7;
            --border: rgba(74, 127, 166, 0.16);
            --radius-lg: 16px;
            --radius-md: 8px;
            --radius-chip: 999px;
            --shadow-card: 0 2px 8px rgba(30, 58, 79, 0.06);
            --shadow-hover: 0 8px 24px rgba(30, 58, 79, 0.12);
            --container: 1200px;
            --gap: 24px;
            --transition: all 0.2s ease;
        }

        /* ========== Reset & Base ========== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-body);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }

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

        a:hover {
            color: var(--amber);
        }

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

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

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

        /* ========== 导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--white);
            border-bottom: 1px solid var(--border);
            transition: box-shadow 0.25s ease;
        }

        .site-header.scrolled {
            box-shadow: 0 4px 16px rgba(30, 58, 79, 0.08);
        }

        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.5px;
        }

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

        .logo-icon {
            width: 34px;
            height: 34px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--primary-light);
            border-radius: 10px;
            color: var(--primary);
        }

        .main-nav {
            display: flex;
            gap: 24px;
            align-items: center;
        }

        .main-nav a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-body);
            padding: 6px 0;
            border-bottom: 2px solid transparent;
        }

        .main-nav a:hover,
        .main-nav a.active {
            color: var(--primary);
            border-bottom-color: var(--primary);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 22px;
            color: var(--text-title);
            cursor: pointer;
            padding: 6px 10px;
            border-radius: 6px;
        }

        /* 时间线活动条 */
        .header-timeline {
            border-top: 1px solid var(--border);
            padding: 10px 0;
            display: flex;
            align-items: center;
            gap: 12px;
            overflow-x: auto;
            scrollbar-width: none;
        }

        .header-timeline::-webkit-scrollbar {
            display: none;
        }

        .timeline-label {
            font-size: 12px;
            font-weight: 600;
            color: var(--text-mute);
            background: var(--primary-light);
            padding: 4px 10px;
            border-radius: var(--radius-chip);
            white-space: nowrap;
        }

        .timeline-chips {
            display: flex;
            gap: 8px;
            align-items: center;
        }

        .chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            border-radius: var(--radius-chip);
            font-size: 13px;
            font-weight: 500;
            white-space: nowrap;
            border: 1px solid transparent;
            transition: var(--transition);
            cursor: pointer;
        }

        .chip i {
            font-size: 8px;
        }

        .chip-pre {
            border-color: rgba(192, 138, 74, 0.35);
            color: var(--amber);
            background: #fff;
        }

        .chip-pre:hover {
            border-color: var(--amber);
        }

        .chip-active {
            background: var(--primary);
            color: #fff;
        }

        .chip-active .current-tag {
            background: rgba(255, 255, 255, 0.22);
            padding: 1px 8px;
            border-radius: 999px;
            font-size: 11px;
            font-weight: 600;
        }

        .chip-replay {
            background: #F1F4F6;
            color: var(--gray);
        }

        .chip-replay:hover {
            border-color: var(--gray);
        }

        /* ========== Hero ========== */
        .hero {
            position: relative;
            min-height: 540px;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center 40%;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(130deg, #ffffff 28%, rgba(255, 255, 255, 0.78) 55%, rgba(74, 127, 166, 0.12) 100%);
        }

        .hero-inner {
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            max-width: 640px;
            padding-top: 64px;
            padding-bottom: 72px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(107, 143, 113, 0.12);
            color: var(--green);
            font-size: 13px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 999px;
            margin-bottom: 20px;
        }

        .hero h1 {
            font-size: clamp(30px, 4.4vw, 40px);
            line-height: 1.25;
            color: var(--text-title);
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
        }

        .hero-desc {
            font-size: 17px;
            line-height: 1.7;
            color: var(--text-body);
            margin-bottom: 28px;
            max-width: 560px;
        }

        .hero-cta {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 18px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 26px;
            border-radius: var(--radius-md);
            font-size: 15px;
            font-weight: 600;
            border: 0;
            cursor: pointer;
            transition: var(--transition);
            min-height: 44px;
        }

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

        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(74, 127, 166, 0.25);
        }

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

        .btn-outline {
            background: #fff;
            border: 1.5px solid var(--primary);
            color: var(--primary);
        }

        .btn-outline:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
        }

        .hero-note {
            font-size: 13px;
            color: var(--text-mute);
            display: flex;
            align-items: center;
            gap: 6px;
            margin-bottom: 28px;
        }

        .hero-note i {
            color: var(--green);
        }

        .hero-info {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
            padding-top: 18px;
            border-top: 1px solid var(--border);
        }

        .info-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-body);
        }

        .info-item i {
            color: var(--primary);
            font-size: 16px;
        }

        .hero-decoration {
            position: absolute;
            right: -40px;
            bottom: -30px;
            width: 420px;
            height: 420px;
            opacity: 0.35;
            z-index: 1;
            pointer-events: none;
        }

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

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

        .section h2 {
            font-size: clamp(24px, 3vw, 30px);
            font-weight: 700;
            color: var(--text-title);
            line-height: 1.3;
            margin-bottom: 10px;
        }

        .section-desc {
            font-size: 15px;
            color: var(--text-mute);
            max-width: 720px;
            line-height: 1.7;
        }

        .section-header {
            margin-bottom: 44px;
        }

        /* ========== 服务板块 ========== */
        .services {
            background: var(--white);
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .service-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .service-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .service-icon {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 22px;
            margin-bottom: 18px;
            transition: var(--transition);
        }

        .service-card:hover .service-icon {
            background: var(--primary);
            color: #fff;
        }

        .service-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-title);
            margin-bottom: 10px;
        }

        .service-card p {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.65;
            margin-bottom: 14px;
            flex-grow: 1;
        }

        .service-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: var(--transition);
        }

        .service-link:hover {
            color: var(--amber);
            gap: 8px;
        }

        .service-badge {
            align-self: flex-start;
            margin-bottom: 12px;
            font-size: 12px;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: 999px;
        }

        .badge-hot {
            background: rgba(192, 138, 74, 0.12);
            color: var(--amber);
        }

        .badge-ok {
            background: rgba(107, 143, 113, 0.12);
            color: var(--green);
        }

        .badge-norm {
            background: #EEF1F4;
            color: var(--gray);
        }

        .service-card-cta {
            background: var(--primary-light);
            border: 2px dashed rgba(74, 127, 166, 0.35);
            box-shadow: none;
            align-items: center;
            justify-content: center;
            text-align: center;
        }

        .service-card-cta .service-icon {
            background: #fff;
        }

        .service-card-cta h3 {
            margin-bottom: 8px;
        }

        .service-card-cta p {
            font-size: 14px;
        }

        /* ========== 优势数据 ========== */
        .stats {
            background: var(--primary-light);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 24px;
        }

        .stat-item {
            text-align: center;
            padding: 20px 12px;
        }

        .stat-num {
            font-size: clamp(36px, 4.5vw, 52px);
            font-weight: 800;
            color: var(--primary);
            line-height: 1.1;
            letter-spacing: -1px;
            font-family: -apple-system, "PingFang SC", "Segoe UI", sans-serif;
        }

        .stat-item .divider {
            width: 24px;
            height: 3px;
            background: var(--amber);
            border-radius: 4px;
            margin: 12px auto;
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-body);
        }

        /* ========== 案例 ========== */
        .cases {
            background: var(--white);
        }

        .cases-track {
            display: flex;
            gap: 24px;
            overflow-x: auto;
            padding-bottom: 16px;
            scroll-snap-type: x mandatory;
        }

        .case-card {
            flex: 0 0 360px;
            scroll-snap-align: start;
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }

        .case-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .case-img {
            height: 220px;
            overflow: hidden;
        }

        .case-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }

        .case-card:hover .case-img img {
            transform: scale(1.05);
        }

        .case-info {
            padding: 20px 20px 22px;
        }

        .case-location {
            font-size: 12px;
            font-weight: 600;
            color: var(--amber);
            text-transform: uppercase;
            margin-bottom: 6px;
        }

        .case-info h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-title);
            margin-bottom: 8px;
        }

        .case-info p {
            font-size: 13px;
            color: var(--text-mute);
            line-height: 1.6;
            margin-bottom: 12px;
        }

        .case-price {
            font-size: 14px;
            font-weight: 700;
            color: var(--primary);
        }

        .case-price span {
            font-weight: 400;
            color: var(--text-mute);
            font-size: 12px;
        }

        /* ========== 方案 ========== */
        .plans {
            background: var(--bg);
        }

        .plans-list {
            position: relative;
            padding-left: 132px;
            margin-top: 20px;
        }

        .plans-list::before {
            content: '';
            position: absolute;
            left: 60px;
            top: 12px;
            bottom: 12px;
            width: 2px;
            background: var(--border);
        }

        .plan-item {
            position: relative;
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 30px 32px 30px 36px;
            margin-bottom: 24px;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }

        .plan-item::before {
            content: '';
            position: absolute;
            left: -108px;
            top: 42px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--white);
            border: 3px solid var(--primary);
            box-shadow: 0 0 0 4px rgba(74, 127, 166, 0.12);
            transition: var(--transition);
        }

        .plan-item:hover {
            background: var(--primary-light);
            box-shadow: var(--shadow-hover);
        }

        .plan-item:hover::before {
            background: var(--primary);
        }

        .plan-num {
            position: absolute;
            left: -158px;
            top: 10px;
            font-size: 56px;
            font-weight: 800;
            color: rgba(74, 127, 166, 0.18);
            line-height: 1;
            font-family: -apple-system, "PingFang SC", sans-serif;
            letter-spacing: -2px;
        }

        .plan-head {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 8px;
        }

        .plan-head h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--text-title);
        }

        .plan-badge {
            background: var(--amber);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 2px 12px;
            border-radius: 999px;
        }

        .plan-scene {
            font-size: 14px;
            color: var(--text-mute);
            margin-bottom: 14px;
        }

        .plan-features {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            margin-bottom: 18px;
        }

        .plan-features li {
            font-size: 14px;
            color: var(--text-body);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .plan-features li i {
            color: var(--primary);
            font-size: 12px;
        }

        .plan-foot {
            display: flex;
            align-items: center;
            gap: 18px;
            flex-wrap: wrap;
        }

        .plan-price {
            font-size: 16px;
            font-weight: 700;
            color: var(--amber);
        }

        .plan-price span {
            font-size: 13px;
            font-weight: 400;
            color: var(--text-mute);
        }

        .plan-btn {
            padding: 9px 22px;
            font-size: 14px;
        }

        /* ========== FAQ ========== */
        .faq {
            background: var(--white);
        }

        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            border: 1px solid var(--border);
            border-radius: 12px;
            margin-bottom: 14px;
            overflow: hidden;
            background: var(--white);
            transition: border-color 0.2s;
        }

        .faq-item.open {
            border-color: rgba(74, 127, 166, 0.4);
        }

        .faq-question {
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 18px 22px;
            cursor: pointer;
            transition: background 0.2s;
        }

        .faq-question:hover {
            background: #EEF5FA;
        }

        .faq-q-icon {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 14px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .faq-question h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-title);
            flex: 1;
        }

        .faq-toggle {
            color: var(--primary);
            font-size: 18px;
            transition: transform 0.2s;
            flex-shrink: 0;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.25s ease;
            padding: 0 22px 0 66px;
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.75;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding-bottom: 20px;
        }

        /* ========== 联系/预约 ========== */
        .contact {
            background: var(--primary-light);
        }

        .contact-wrap {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 48px;
            align-items: stretch;
        }

        .contact-info-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 32px 30px;
            box-shadow: var(--shadow-card);
        }

        .contact-info-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 8px;
        }

        .contact-info-card>p {
            font-size: 14px;
            color: var(--text-mute);
            margin-bottom: 24px;
        }

        .contact-row {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            margin-bottom: 20px;
        }

        .contact-row i {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 15px;
        }

        .contact-row .c-label {
            font-size: 12px;
            color: var(--text-mute);
            display: block;
            margin-bottom: 2px;
        }

        .contact-row .c-value {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-title);
        }

        .contact-form-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 32px 30px;
            box-shadow: var(--shadow-card);
        }

        .contact-form-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 6px;
        }

        .contact-form-card>p {
            font-size: 14px;
            color: var(--text-mute);
            margin-bottom: 24px;
        }

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

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

        .form-group.full {
            grid-column: 1 / -1;
        }

        .form-group label {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-title);
            margin-bottom: 6px;
        }

        .form-group label span {
            color: var(--amber);
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            padding: 11px 14px;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            font-size: 14px;
            background: var(--white);
            color: var(--text-title);
            transition: var(--transition);
            width: 100%;
            outline: none;
        }

        .form-group textarea {
            min-height: 86px;
            resize: vertical;
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(74, 127, 166, 0.12);
        }

        .form-submit {
            margin-top: 20px;
            width: 100%;
            justify-content: center;
        }

        .form-tip {
            font-size: 12px;
            color: var(--text-mute);
            margin-top: 12px;
            display: flex;
            align-items: center;
            gap: 5px;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: #1E3A4F;
            color: rgba(255, 255, 255, 0.7);
            padding: 56px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
        }

        .footer-brand .logo {
            color: #fff;
            margin-bottom: 12px;
        }

        .footer-brand .logo-icon {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
        }

        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            max-width: 300px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }

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

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

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

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

        .footer-contact-col li {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-contact-col li i {
            color: var(--primary);
            margin-top: 4px;
            font-size: 13px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 18px 0;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
            text-align: center;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .services-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .stats-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 16px;
            }

            .case-card {
                flex-basis: 330px;
            }

            .contact-wrap {
                grid-template-columns: 1fr;
                gap: 28px;
            }

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

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

            .header-top {
                padding: 12px 0;
            }

            .main-nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: var(--white);
                padding: 16px 24px;
                flex-direction: column;
                align-items: flex-start;
                gap: 14px;
                box-shadow: 0 8px 24px rgba(30, 58, 79, 0.1);
                border-bottom: 1px solid var(--border);
            }

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

            .nav-toggle {
                display: block;
            }

            .hero-inner {
                padding-top: 36px;
                padding-bottom: 48px;
            }

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

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

            .hero-info {
                gap: 16px;
                flex-direction: column;
                align-items: flex-start;
            }

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

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

            .stat-item {
                padding: 12px 8px;
            }

            .cases-track {
                margin-left: -24px;
                margin-right: -24px;
                padding-left: 24px;
                padding-right: 24px;
            }

            .case-card {
                flex-basis: 300px;
            }

            .plans-list {
                padding-left: 48px;
            }

            .plans-list::before {
                left: 12px;
            }

            .plan-item {
                padding: 22px 20px 22px 24px;
            }

            .plan-item::before {
                left: -36px;
                width: 14px;
                height: 14px;
            }

            .plan-num {
                left: -50px;
                font-size: 36px;
            }

            .plan-features {
                flex-direction: column;
                gap: 8px;
            }

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

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
                padding-bottom: 28px;
            }
        }

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

            .hero {
                min-height: 460px;
            }

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

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

            .hero-note {
                font-size: 13px;
            }

            .services-grid {
                gap: 16px;
            }

            .stats-grid {
                gap: 8px;
            }

            .section-header {
                margin-bottom: 28px;
            }

            .case-card {
                flex-basis: 280px;
            }

            .plan-foot {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }

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

            .contact-form-card,
            .contact-info-card {
                padding: 22px 18px;
            }
        }