/* roulang page: index */
:root {
            --primary: #c8a876;
            --primary-light: #e2d1b5;
            --primary-dark: #8a6d3b;
            --bg-light: #f7f3ec;
            --bg-dark: #11160f;
            --bg-panel: #1a2119;
            --text-main: #2c2a24;
            --text-weak: #6b6a62;
            --accent: #7ee081;
            --border: rgba(200, 168, 118, 0.25);
            --radius-lg: 24px;
            --radius-md: 16px;
            --shadow-card: 0 10px 40px rgba(17, 22, 15, 0.08);
            --shadow-hover: 0 16px 48px rgba(17, 22, 15, 0.14);
        }
        * {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            background: var(--bg-light);
            color: var(--text-main);
            line-height: 1.75;
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        img {
            max-width: 100%;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ===== 悬浮胶囊导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            padding: 14px 20px 0;
            pointer-events: none;
        }
        .site-header .nav-inner {
            pointer-events: auto;
            max-width: 1100px;
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border);
            border-radius: 999px;
            box-shadow: 0 8px 32px rgba(17, 22, 15, 0.1);
            padding: 10px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            transition: box-shadow .3s;
        }
        .site-header .nav-inner:hover {
            box-shadow: 0 12px 40px rgba(17, 22, 15, 0.16);
        }
        .brand-logo {
            font-family: 'Noto Serif SC', serif;
            font-weight: 700;
            font-size: 17px;
            letter-spacing: .5px;
            color: var(--bg-dark);
            line-height: 1.3;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .brand-logo i {
            color: var(--primary);
            font-size: 20px;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-links a {
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            color: #4a4a42;
            transition: all .25s;
            white-space: nowrap;
        }
        .nav-links a:hover {
            background: rgba(200, 168, 118, 0.15);
            color: var(--primary-dark);
        }
        .nav-links a.active {
            background: var(--bg-dark);
            color: #fff;
            font-weight: 500;
        }
        .nav-cta {
            background: var(--primary);
            color: #fff !important;
            border-radius: 999px;
            padding: 9px 20px !important;
            font-size: 14px;
            font-weight: 600;
            box-shadow: 0 4px 14px rgba(200, 168, 118, 0.4);
            transition: all .25s;
        }
        .nav-cta:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(200, 168, 118, 0.5);
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 22px;
            color: var(--bg-dark);
            cursor: pointer;
            padding: 4px 6px;
        }
        .mobile-menu {
            display: none;
            position: absolute;
            top: calc(100% + 8px);
            left: 20px;
            right: 20px;
            background: #fff;
            border-radius: 20px;
            box-shadow: 0 16px 48px rgba(17, 22, 15, 0.16);
            border: 1px solid var(--border);
            padding: 14px;
            z-index: 99;
        }
        .mobile-menu a {
            display: block;
            padding: 12px 18px;
            border-radius: 12px;
            font-size: 15px;
            color: var(--text-main);
            font-weight: 500;
        }
        .mobile-menu a:hover,
        .mobile-menu a.active {
            background: rgba(200, 168, 118, 0.12);
            color: var(--primary-dark);
        }
        .mobile-menu .nav-cta-mobile {
            background: var(--primary);
            color: #fff;
            text-align: center;
            font-weight: 600;
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            color: #fff;
            padding: 140px 0 100px;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(110deg, rgba(17, 22, 15, 0.92) 30%, rgba(17, 22, 15, 0.55) 70%, rgba(17, 22, 15, 0.35));
            z-index: 1;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 80% 20%, rgba(200, 168, 118, 0.18), transparent 60%);
            z-index: 1;
        }
        .hero-container {
            position: relative;
            z-index: 2;
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 60px;
            align-items: center;
        }
        .hero-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            backdrop-filter: blur(8px);
            border-radius: 999px;
            padding: 6px 16px;
            font-size: 13px;
            letter-spacing: 1px;
            margin-bottom: 22px;
            color: var(--primary-light);
        }
        .hero-title {
            font-family: 'Noto Serif SC', serif;
            font-size: clamp(30px, 4.5vw, 48px);
            line-height: 1.25;
            font-weight: 800;
            letter-spacing: 1px;
            margin-bottom: 22px;
            color: #fff;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
        }
        .hero-subtitle {
            font-size: 16px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.85);
            max-width: 540px;
            margin-bottom: 32px;
        }
        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 36px;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 999px;
            padding: 14px 32px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            box-shadow: 0 8px 24px rgba(200, 168, 118, 0.4);
            transition: all .3s;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(200, 168, 118, 0.5);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.5);
            border-radius: 999px;
            padding: 14px 32px;
            font-size: 15px;
            font-weight: 500;
            cursor: pointer;
            transition: all .3s;
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            transform: translateY(-2px);
        }
        .hero-data {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
        }
        .hero-data-item {
            display: flex;
            flex-direction: column;
        }
        .hero-data-item strong {
            font-size: 26px;
            font-weight: 800;
            color: var(--primary-light);
            font-family: 'Noto Serif SC', serif;
        }
        .hero-data-item span {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            letter-spacing: 1px;
        }

        /* Hero 右侧演示面板 */
        .hero-demo {
            position: relative;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.18);
            backdrop-filter: blur(16px);
            border-radius: 28px;
            padding: 30px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
        }
        .demo-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 24px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            padding-bottom: 16px;
        }
        .demo-head span {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
        }
        .demo-head .live-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            background: rgba(126, 224, 129, 0.15);
            color: var(--accent);
            border-radius: 999px;
            padding: 3px 12px;
        }
        .demo-steps {
            display: grid;
            gap: 12px;
        }
        .demo-step {
            display: flex;
            align-items: center;
            gap: 14px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 16px;
            padding: 14px 18px;
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: all .3s;
            cursor: default;
        }
        .demo-step:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(200, 168, 118, 0.4);
            transform: translateX(4px);
        }
        .demo-step .step-num {
            width: 32px;
            height: 32px;
            border-radius: 10px;
            background: var(--primary);
            color: #fff;
            font-size: 13px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .demo-step .step-text {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.9);
            font-weight: 500;
        }
        .demo-step .step-desc {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.5);
            margin-top: 2px;
        }
        .demo-foot {
            margin-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(126, 224, 129, 0.08);
            border-radius: 14px;
            padding: 12px 16px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.75);
        }
        .demo-foot i {
            color: var(--accent);
        }

        /* ===== 通用板块 ===== */
        .section-title-wrap {
            text-align: center;
            max-width: 660px;
            margin: 0 auto 48px;
        }
        .kicker {
            display: inline-block;
            font-size: 12px;
            letter-spacing: 3px;
            text-transform: uppercase;
            color: var(--primary-dark);
            font-weight: 700;
            margin-bottom: 10px;
        }
        .section-title {
            font-family: 'Noto Serif SC', serif;
            font-size: clamp(26px, 3.2vw, 36px);
            font-weight: 800;
            color: var(--bg-dark);
            line-height: 1.3;
            margin-bottom: 12px;
        }
        .section-desc {
            font-size: 15px;
            color: var(--text-weak);
            line-height: 1.7;
        }

        /* ===== 渠道卖点 ===== */
        .channel-section {
            padding: 90px 0;
            background: var(--bg-light);
        }
        .channel-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .channel-step-item {
            display: flex;
            gap: 18px;
            padding: 20px;
            border-radius: 20px;
            background: #fff;
            border: 1px solid rgba(200, 168, 118, 0.15);
            box-shadow: var(--shadow-card);
            margin-bottom: 16px;
            transition: all .3s;
        }
        .channel-step-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .channel-step-num {
            width: 42px;
            height: 42px;
            border-radius: 14px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .channel-step-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--bg-dark);
            margin-bottom: 4px;
        }
        .channel-step-desc {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.6;
        }

        .channel-objection {
            background: var(--bg-dark);
            border-radius: 28px;
            padding: 36px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .channel-objection::after {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 160px;
            height: 160px;
            background: radial-gradient(circle, rgba(200, 168, 118, 0.2), transparent 70%);
        }
        .objection-item {
            display: flex;
            gap: 12px;
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
        }
        .objection-item i {
            color: var(--accent);
            font-size: 18px;
            margin-top: 3px;
        }
        .objection-item p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.6;
        }
        .objection-item strong {
            display: block;
            font-size: 15px;
            color: #fff;
            margin-bottom: 2px;
        }
        .channel-img-wrap {
            margin-top: 24px;
            border-radius: 18px;
            overflow: hidden;
            position: relative;
            z-index: 1;
        }

        /* ===== 数据条 ===== */
        .stats-section {
            background: var(--bg-dark);
            padding: 70px 0;
            position: relative;
            overflow: hidden;
        }
        .stats-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, transparent, rgba(200, 168, 118, 0.08), transparent);
            animation: shimmer 6s infinite;
        }
        @keyframes shimmer {
            0%,
            100% {
                opacity: .4;
            }
            50% {
                opacity: 1;
            }
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
            position: relative;
            z-index: 1;
        }
        .stat-item .stat-num {
            font-family: 'Noto Serif SC', serif;
            font-size: 42px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }
        .stat-item .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 6px;
            letter-spacing: 1px;
        }

        /* ===== 保障图标条 ===== */
        .guarantee-section {
            padding: 64px 0;
            background: #fff;
            border-bottom: 1px solid rgba(200, 168, 118, 0.1);
        }
        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .guarantee-item {
            text-align: center;
            padding: 24px 16px;
            border-radius: 20px;
            transition: all .3s;
            border: 1px solid transparent;
        }
        .guarantee-item:hover {
            background: rgba(200, 168, 118, 0.06);
            border-color: var(--border);
        }
        .guarantee-item .icon-wrap {
            width: 56px;
            height: 56px;
            border-radius: 18px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-size: 22px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            box-shadow: 0 8px 20px rgba(200, 168, 118, 0.3);
        }
        .guarantee-item h3 {
            font-size: 15px;
            font-weight: 700;
            color: var(--bg-dark);
            margin-bottom: 4px;
        }
        .guarantee-item p {
            font-size: 13px;
            color: var(--text-weak);
            line-height: 1.5;
        }

        /* ===== 价格对比 ===== */
        .compare-section {
            padding: 90px 0;
            background: var(--bg-light);
        }
        .compare-table {
            border-radius: 24px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border);
            background: #fff;
            max-width: 900px;
            margin: 0 auto;
        }
        .compare-row {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            align-items: center;
        }
        .compare-row.header-row {
            background: var(--bg-dark);
            color: #fff;
        }
        .compare-row:not(:last-child) {
            border-bottom: 1px solid rgba(200, 168, 118, 0.12);
        }
        .compare-cell {
            padding: 18px 24px;
            font-size: 14px;
            text-align: center;
        }
        .compare-cell:first-child {
            font-weight: 600;
            color: var(--text-main);
            background: rgba(200, 168, 118, 0.04);
            text-align: left;
        }
        .compare-row.header-row .compare-cell {
            font-weight: 700;
            font-size: 15px;
            background: var(--bg-dark);
            color: #fff;
        }
        .compare-row.header-row .compare-cell:first-child {
            background: var(--bg-dark);
        }
        .compare-cell.our-result {
            color: var(--primary-dark);
            font-weight: 600;
        }
        .compare-cell.our-result i {
            margin-right: 4px;
            color: var(--primary);
        }
        .compare-cell.traditional-result {
            color: #999;
        }
        .compare-highlight {
            background: rgba(200, 168, 118, 0.08);
        }
        .compare-cta {
            text-align: center;
            margin-top: 32px;
        }

        /* ===== 表单 ===== */
        .leads-section {
            padding: 90px 0;
            background: var(--bg-dark);
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .leads-section::before {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -60px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(200, 168, 118, 0.15), transparent 70%);
        }
        .leads-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            position: relative;
            z-index: 1;
        }
        .leads-left .section-title {
            color: #fff;
        }
        .leads-left .section-desc {
            color: rgba(255, 255, 255, 0.7);
        }
        .leads-info-list {
            margin-top: 24px;
            display: grid;
            gap: 14px;
        }
        .leads-info-item {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.85);
        }
        .leads-info-item .icon-circle {
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: rgba(200, 168, 118, 0.15);
            border: 1px solid rgba(200, 168, 118, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 16px;
        }
        .lead-form {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(16px);
            border-radius: 28px;
            padding: 32px;
        }
        .form-group {
            margin-bottom: 18px;
        }
        .form-group label {
            display: block;
            font-size: 13px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 6px;
        }
        .form-control {
            width: 100%;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 12px;
            padding: 12px 16px;
            font-size: 14px;
            color: #fff;
            outline: none;
            transition: all .3s;
        }
        .form-control::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }
        .form-control:focus {
            border-color: var(--primary);
            background: rgba(255, 255, 255, 0.12);
            box-shadow: 0 0 0 3px rgba(200, 168, 118, 0.2);
        }
        .form-select {
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23c8a876' stroke-width='2' fill='none'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 16px center;
            padding-right: 40px;
        }
        .form-select option {
            background: var(--bg-panel);
            color: #fff;
        }
        .btn-submit {
            width: 100%;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 14px;
            padding: 14px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all .3s;
            margin-top: 6px;
        }
        .btn-submit:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(200, 168, 118, 0.4);
        }
        .form-tip {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.4);
            text-align: center;
            margin-top: 12px;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 90px 0;
            background: #fff;
        }
        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
            display: grid;
            gap: 14px;
        }
        .faq-item {
            border: 1px solid var(--border);
            border-radius: 18px;
            background: var(--bg-light);
            padding: 22px 24px;
            transition: all .3s;
            cursor: pointer;
        }
        .faq-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-card);
        }
        .faq-q {
            font-size: 15px;
            font-weight: 700;
            color: var(--bg-dark);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
        }
        .faq-q i {
            color: var(--primary);
            transition: transform .3s;
            flex-shrink: 0;
        }
        .faq-item.open .faq-q i {
            transform: rotate(180deg);
        }
        .faq-a {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.7;
            margin-top: 10px;
            display: none;
        }
        .faq-item.open .faq-a {
            display: block;
        }

        /* ===== 资讯 ===== */
        .news-section {
            padding: 90px 0;
            background: var(--bg-light);
        }
        .news-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr;
            gap: 48px;
        }
        .news-list-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            padding: 18px 0;
            border-bottom: 1px solid rgba(200, 168, 118, 0.15);
            transition: padding-left .3s;
        }
        .news-list-item:hover {
            padding-left: 8px;
        }
        .news-list-item .news-index {
            font-family: 'Noto Serif SC', serif;
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            flex-shrink: 0;
            line-height: 1.4;
        }
        .news-list-item .news-content a {
            font-size: 15px;
            font-weight: 600;
            color: var(--bg-dark);
            line-height: 1.5;
            transition: color .25s;
        }
        .news-list-item .news-content a:hover {
            color: var(--primary-dark);
        }
        .news-list-item .news-meta {
            font-size: 12px;
            color: #999;
            margin-top: 4px;
        }
        .news-sidebar {
            border-radius: 24px;
            background: var(--bg-dark);
            color: #fff;
            padding: 28px;
            position: sticky;
            top: 120px;
        }
        .news-sidebar h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 6px;
            font-family: 'Noto Serif SC', serif;
        }
        .news-sidebar .sidebar-desc {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 20px;
        }
        .news-sidebar ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .news-sidebar li {
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            padding: 12px 0;
        }
        .news-sidebar li a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.85);
            transition: all .25s;
            display: block;
        }
        .news-sidebar li a:hover {
            color: var(--primary);
            padding-left: 4px;
        }
        .news-sidebar .sidebar-tag {
            display: inline-block;
            background: rgba(200, 168, 118, 0.2);
            color: var(--primary-light);
            border-radius: 999px;
            padding: 2px 12px;
            font-size: 11px;
            margin-top: 6px;
        }

        /* ===== 隐私说明 ===== */
        .privacy-section {
            padding: 60px 0;
            background: #fff;
            border-top: 1px solid rgba(200, 168, 118, 0.08);
        }
        .privacy-inner {
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
        }
        .privacy-icon {
            width: 64px;
            height: 64px;
            border-radius: 20px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-size: 26px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            box-shadow: 0 10px 24px rgba(200, 168, 118, 0.3);
        }
        .privacy-inner h2 {
            font-family: 'Noto Serif SC', serif;
            font-size: 26px;
            font-weight: 800;
            color: var(--bg-dark);
            margin-bottom: 12px;
        }
        .privacy-inner p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.8;
            margin-bottom: 24px;
        }
        .privacy-points {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
            margin-top: 20px;
        }
        .privacy-points span {
            background: rgba(200, 168, 118, 0.1);
            border: 1px solid var(--border);
            border-radius: 999px;
            padding: 6px 16px;
            font-size: 13px;
            color: var(--primary-dark);
            font-weight: 500;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: #fff;
            padding: 48px 0 28px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        .footer-brand {
            font-family: 'Noto Serif SC', serif;
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .footer-desc {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.7;
        }
        .footer-title {
            font-size: 14px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 14px;
            letter-spacing: 1px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 8px;
        }
        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            transition: color .25s;
        }
        .footer-links a:hover {
            color: var(--primary);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
        }
        .footer-bottom p {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.4);
            margin: 0;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .hero-container {
                grid-template-columns: 1fr;
                gap: 40px;
                padding-top: 20px;
            }
            .hero-demo {
                max-width: 560px;
            }
            .channel-grid {
                grid-template-columns: 1fr;
            }
            .leads-grid {
                grid-template-columns: 1fr;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .news-sidebar {
                position: static;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .site-header .nav-inner {
                padding: 8px 18px;
            }
            .nav-cta {
                display: none;
            }
            .mobile-menu.show {
                display: block;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .guarantee-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .compare-row {
                grid-template-columns: 1fr 1.2fr 1.2fr;
            }
            .compare-cell {
                padding: 12px 10px;
                font-size: 12px;
            }
            .compare-cell:first-child {
                font-size: 13px;
            }
            .hero-section {
                padding: 120px 0 70px;
            }
            .channel-section,
            .compare-section,
            .leads-section,
            .faq-section,
            .news-section {
                padding: 60px 0;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 520px) {
            .hero-cta-group {
                flex-direction: column;
                width: 100%;
            }
            .btn-primary,
            .btn-outline {
                width: 100%;
                justify-content: center;
            }
            .hero-data {
                gap: 16px;
            }
            .hero-data-item strong {
                font-size: 22px;
            }
            .demo-head {
                flex-direction: column;
                gap: 10px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .stat-item .stat-num {
                font-size: 32px;
            }
            .guarantee-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .guarantee-item {
                padding: 16px 10px;
            }
            .compare-row {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .compare-cell:first-child {
                text-align: center;
                background: rgba(200, 168, 118, 0.04);
                font-weight: 600;
            }
            .compare-row.header-row {
                display: none;
            }
            .privacy-points {
                flex-direction: column;
                align-items: center;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* 焦点可访问性 */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

/* roulang page: category1 */
/* ================= 设计变量 ================= */
:root {
    --bg-deep: #0a0f0d;
    --bg-surface: #111815;
    --bg-card: #17211d;
    --bg-card-hover: #1c2a24;
    --primary: #d4a853;
    --primary-hover: #c0923d;
    --primary-soft: rgba(212, 168, 83, 0.12);
    --jade: #3a9d6e;
    --jade-soft: rgba(58, 157, 110, 0.15);
    --text-main: #f2ecdc;
    --text-weak: #9faea6;
    --border: #26322c;
    --radius-lg: 20px;
    --radius-md: 14px;
    --radius-sm: 8px;
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.45);
    --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.3);
    --shadow-sm: 0 2px 12px rgba(0, 0, 0, 0.2);
    --transition: all 0.3s ease;
}

/* ================= Reset / Base ================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    background: var(--bg-deep);
    color: var(--text-main);
    line-height: 1.75;
    font-size: 16px;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, textarea { font-family: inherit; border: none; outline: none; background: none; color: inherit; }
ul, ol { list-style: none; }
::selection { background: rgba(212, 168, 83, 0.35); color: #fff; }
:focus-visible { outline: 2px solid var(--primary); outline-offset: 3px; border-radius: 4px; }

/* ================= 容器 ================= */
.container-custom { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ================= 按钮 ================= */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 28px; border-radius: 50px; font-size: 15px; font-weight: 600; line-height: 1; text-align: center; transition: var(--transition); white-space: nowrap; }
.btn i { font-size: 14px; }
.btn-primary { background: var(--primary); color: #0a0f0d; box-shadow: 0 4px 20px rgba(212, 168, 83, 0.35); }
.btn-primary:hover { background: var(--primary-hover); transform: translateY(-2px); box-shadow: 0 8px 28px rgba(212, 168, 83, 0.45); }
.btn-primary:active { transform: translateY(0); }
.btn-outline { border: 1px solid var(--border); color: var(--text-main); background: rgba(255, 255, 255, 0.04); backdrop-filter: blur(6px); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-soft); transform: translateY(-2px); }
.btn-outline:active { transform: translateY(0); }
.btn-lg { padding: 16px 38px; font-size: 16px; }

/* ================= 导航 ================= */
.site-header {
    position: fixed; top: 16px; left: 50%; transform: translateX(-50%);
    width: calc(100% - 32px); max-width: 1200px; z-index: 1000;
    background: rgba(17, 24, 21, 0.78);
    backdrop-filter: blur(18px) saturate(140%);
    -webkit-backdrop-filter: blur(18px) saturate(140%);
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: 60px;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.4);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 62px; padding: 0 18px 0 24px; }
.brand-logo { display: flex; align-items: center; gap: 10px; font-size: 18px; font-weight: 700; letter-spacing: 0.5px; color: var(--text-main); transition: var(--transition); }
.brand-logo i { color: var(--primary); font-size: 20px; }
.brand-logo:hover { color: var(--primary); }
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a { position: relative; padding: 8px 16px; border-radius: 40px; font-size: 14px; font-weight: 500; color: var(--text-weak); transition: var(--transition); }
.nav-links a:hover { color: var(--text-main); background: rgba(255, 255, 255, 0.05); }
.nav-links a.active { color: var(--primary); background: var(--primary-soft); font-weight: 600; }
.nav-cta { padding: 9px 22px; background: var(--primary); color: #0a0f0d; border-radius: 40px; font-size: 14px; font-weight: 600; transition: var(--transition); box-shadow: 0 2px 14px rgba(212, 168, 83, 0.3); }
.nav-cta:hover { background: var(--primary-hover); transform: translateY(-1px); box-shadow: 0 4px 20px rgba(212, 168, 83, 0.4); }
.mobile-toggle { display: none; width: 40px; height: 40px; align-items: center; justify-content: center; border-radius: 50%; font-size: 18px; color: var(--text-main); transition: var(--transition); }
.mobile-toggle:hover { background: rgba(255, 255, 255, 0.06); color: var(--primary); }
.mobile-menu { display: none; flex-direction: column; padding: 10px 16px 18px; border-top: 1px solid rgba(255, 255, 255, 0.06); gap: 4px; }
.mobile-menu a { padding: 12px 16px; border-radius: 12px; font-size: 15px; color: var(--text-weak); transition: var(--transition); }
.mobile-menu a:hover { background: rgba(255, 255, 255, 0.05); color: var(--text-main); }
.mobile-menu a.active { color: var(--primary); background: var(--primary-soft); font-weight: 600; }
.mobile-menu .nav-cta-mobile { margin-top: 6px; text-align: center; background: var(--primary); color: #0a0f0d; font-weight: 600; border-radius: 40px; }
.mobile-menu.open { display: flex; }

/* ================= Hero ================= */
.hero {
    position: relative; min-height: 92vh; display: flex; align-items: center;
    background-image: url('/assets/images/backpic/back-1.webp');
    background-size: cover; background-position: center; background-repeat: no-repeat;
    padding: 140px 0 80px;
    isolation: isolate;
}
.hero::before { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(10, 15, 13, 0.92) 0%, rgba(10, 15, 13, 0.72) 55%, rgba(10, 15, 13, 0.35) 100%); z-index: -1; }
.hero-content { max-width: 680px; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: var(--primary-soft); border: 1px solid rgba(212, 168, 83, 0.3); color: var(--primary); font-size: 13px; font-weight: 600; padding: 7px 18px; border-radius: 50px; margin-bottom: 24px; }
.hero-badge i { font-size: 13px; }
.hero h1 { font-size: clamp(34px, 5vw, 54px); line-height: 1.2; font-weight: 800; letter-spacing: 1px; margin-bottom: 18px; }
.hero h1 span { color: var(--primary); }
.hero-sub { font-size: clamp(15px, 1.6vw, 18px); color: var(--text-weak); line-height: 1.8; margin-bottom: 32px; max-width: 560px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 36px; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 18px; font-size: 14px; color: var(--text-weak); }
.hero-meta span { display: inline-flex; align-items: center; gap: 6px; }
.hero-meta i { color: var(--jade); }
.hero-group { display: flex; align-items: center; gap: 14px; padding: 12px 20px; background: rgba(255,255,255,0.04); border: 1px solid var(--border); border-radius: 16px; margin-bottom: 24px; max-width: 420px; }
.hero-group-avatars { display: flex; }
.hero-group-avatars span { width: 36px; height: 36px; border-radius: 50%; border: 2px solid var(--bg-deep); display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 700; background: var(--bg-card); margin-right: -8px; color: var(--primary); }
.hero-group-text { font-size: 14px; color: var(--text-weak); }
.hero-group-text strong { color: var(--text-main); font-weight: 700; font-size: 16px; }

/* ================= 板块 ================= */
.section { padding: 90px 0; }
.section-alt { background: var(--bg-surface); }
.section-head { max-width: 720px; margin-bottom: 48px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-tag { display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: var(--primary); background: var(--primary-soft); padding: 6px 16px; border-radius: 40px; margin-bottom: 14px; }
.section-head h2 { font-size: clamp(26px, 3.4vw, 36px); font-weight: 800; line-height: 1.3; letter-spacing: 0.5px; }
.section-head p { margin-top: 12px; color: var(--text-weak); font-size: 16px; line-height: 1.8; }
.section-border { border-top: 1px solid rgba(255,255,255,0.05); border-bottom: 1px solid rgba(255,255,255,0.05); }

/* ================= 卖点卡片 ================= */
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.feature-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 32px 26px; transition: var(--transition); position: relative; overflow: hidden; }
.feature-card::after { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 3px; background: linear-gradient(90deg, var(--primary), transparent); opacity: 0; transition: var(--transition); }
.feature-card:hover { transform: translateY(-6px); border-color: rgba(212, 168, 83, 0.35); box-shadow: var(--shadow-md); background: var(--bg-card-hover); }
.feature-card:hover::after { opacity: 1; }
.feature-icon { width: 56px; height: 56px; border-radius: 16px; display: flex; align-items: center; justify-content: center; font-size: 22px; background: var(--primary-soft); color: var(--primary); margin-bottom: 20px; }
.feature-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.feature-card p { font-size: 14px; color: var(--text-weak); line-height: 1.7; }

/* ================= 类型卡片 ================= */
.type-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.type-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; transition: var(--transition); }
.type-card:hover { transform: translateY(-6px); border-color: rgba(212, 168, 83, 0.3); box-shadow: var(--shadow-lg); }
.type-card-img { height: 220px; overflow: hidden; position: relative; }
.type-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.type-card:hover .type-card-img img { transform: scale(1.05); }
.type-card-img::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 40%, rgba(10, 15, 13, 0.86) 100%); }
.type-card-body { padding: 26px 26px 30px; position: relative; }
.type-tag { display: inline-block; font-size: 12px; font-weight: 600; padding: 4px 14px; border-radius: 30px; margin-bottom: 14px; background: var(--primary-soft); color: var(--primary); }
.type-card-body h3 { font-size: 20px; font-weight: 700; margin-bottom: 10px; }
.type-card-body p { font-size: 14px; color: var(--text-weak); line-height: 1.8; margin-bottom: 18px; }
.type-features { display: flex; flex-wrap: wrap; gap: 8px; }
.type-features span { font-size: 12px; color: var(--text-weak); border: 1px solid var(--border); padding: 4px 12px; border-radius: 30px; }

/* ================= 流程 ================= */
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; position: relative; }
.steps-grid::before { content: ''; position: absolute; top: 32px; left: 8%; right: 8%; height: 1px; background: linear-gradient(90deg, var(--border), var(--primary), var(--border)); z-index: 0; }
.step-item { text-align: center; padding: 0 18px; position: relative; z-index: 1; }
.step-num { width: 64px; height: 64px; margin: 0 auto 20px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 20px; font-weight: 800; color: var(--primary); background: var(--bg-deep); border: 2px solid var(--primary); box-shadow: 0 0 0 6px var(--bg-deep), 0 0 24px rgba(212, 168, 83, 0.25); }
.step-item h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.step-item p { font-size: 14px; color: var(--text-weak); line-height: 1.7; }

/* ================= 适用场景 ================= */
.scene-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.scene-card { display: flex; gap: 18px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 24px; transition: var(--transition); }
.scene-card:hover { border-color: rgba(58, 157, 110, 0.4); background: var(--bg-card-hover); transform: translateX(6px); box-shadow: var(--shadow-sm); }
.scene-icon { width: 50px; height: 50px; flex-shrink: 0; border-radius: 14px; display: flex; align-items: center; justify-content: center; font-size: 20px; background: var(--jade-soft); color: var(--jade); }
.scene-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 6px; }
.scene-card p { font-size: 14px; color: var(--text-weak); line-height: 1.7; }

/* ================= 价格 ================= */
.price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; align-items: stretch; }
.price-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 34px 30px; display: flex; flex-direction: column; transition: var(--transition); position: relative; }
.price-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: rgba(212, 168, 83, 0.35); }
.price-card.hot { border-color: var(--primary); background: linear-gradient(160deg, rgba(212, 168, 83, 0.12), var(--bg-card) 55%); }
.price-card .hot-tag { position: absolute; top: -12px; right: 24px; background: var(--primary); color: #0a0f0d; font-size: 12px; font-weight: 700; padding: 4px 16px; border-radius: 30px; box-shadow: 0 4px 16px rgba(212, 168, 83, 0.4); }
.price-name { font-size: 18px; font-weight: 700; margin-bottom: 6px; }
.price-caption { font-size: 13px; color: var(--text-weak); margin-bottom: 20px; }
.price-num { font-size: 38px; font-weight: 800; color: var(--primary); line-height: 1; margin-bottom: 4px; }
.price-num span { font-size: 14px; font-weight: 400; color: var(--text-weak); margin-left: 4px; }
.price-note { font-size: 12px; color: var(--text-weak); margin-bottom: 24px; }
.price-list { flex: 1; display: flex; flex-direction: column; gap: 12px; margin-bottom: 28px; }
.price-list li { display: flex; align-items: flex-start; gap: 10px; font-size: 14px; color: var(--text-weak); line-height: 1.6; }
.price-list li i { color: var(--jade); font-size: 14px; margin-top: 4px; }
.price-card .btn { width: 100%; }

/* ================= 统计 ================= */
.stats-bar { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; padding: 48px 40px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); }
.stat-item { text-align: center; }
.stat-num { display: block; font-size: 36px; font-weight: 800; color: var(--primary); line-height: 1.2; }
.stat-label { display: block; font-size: 14px; color: var(--text-weak); margin-top: 6px; }

/* ================= FAQ ================= */
.faq-wrap { display: grid; grid-template-columns: 1fr; gap: 16px; max-width: 860px; margin: 0 auto; }
.faq-item { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-md); overflow: hidden; transition: var(--transition); }
.faq-item:hover { border-color: rgba(212, 168, 83, 0.25); }
.faq-item summary { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 20px 24px; font-size: 15px; font-weight: 600; cursor: pointer; list-style: none; transition: var(--transition); }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '\f078'; font-family: 'Font Awesome 6 Free'; font-weight: 900; font-size: 13px; color: var(--primary); transition: var(--transition); flex-shrink: 0; }
.faq-item[open] summary { color: var(--primary); background: rgba(212, 168, 83, 0.05); }
.faq-item[open] summary::after { transform: rotate(180deg); }
.faq-item p { padding: 0 24px 22px; font-size: 14px; color: var(--text-weak); line-height: 1.85; }

/* ================= CTA ================= */
.cta-section { position: relative; background-image: url('/assets/images/backpic/back-2.webp'); background-size: cover; background-position: center; padding: 110px 0; }
.cta-section::before { content: ''; position: absolute; inset: 0; background: rgba(10, 15, 13, 0.85); }
.cta-inner { position: relative; z-index: 1; max-width: 720px; margin: 0 auto; text-align: center; }
.cta-inner h2 { font-size: clamp(26px, 3.5vw, 38px); font-weight: 800; margin-bottom: 16px; line-height: 1.3; }
.cta-inner p { font-size: 16px; color: var(--text-weak); margin-bottom: 36px; line-height: 1.8; }
.cta-form { display: flex; gap: 12px; background: rgba(255,255,255,0.06); border: 1px solid var(--border); border-radius: 60px; padding: 8px; backdrop-filter: blur(10px); }
.cta-form input { flex: 1; background: transparent; padding: 12px 20px; font-size: 14px; color: var(--text-main); border-radius: 40px; min-width: 0; }
.cta-form input::placeholder { color: var(--text-weak); }
.cta-form .btn { flex-shrink: 0; }
.cta-tips { display: flex; flex-wrap: wrap; gap: 18px; justify-content: center; margin-top: 22px; font-size: 13px; color: var(--text-weak); }
.cta-tips span { display: inline-flex; align-items: center; gap: 6px; }
.cta-tips i { color: var(--jade); }

/* ================= 页脚 ================= */
.site-footer { background: var(--bg-deep); border-top: 1px solid rgba(255, 255, 255, 0.06); padding: 64px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px; margin-bottom: 44px; }
.footer-brand { font-size: 18px; font-weight: 700; color: var(--text-main); margin-bottom: 14px; letter-spacing: 0.5px; }
.footer-desc { font-size: 14px; color: var(--text-weak); line-height: 1.8; max-width: 380px; }
.footer-title { font-size: 15px; font-weight: 700; color: var(--text-main); margin-bottom: 18px; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 14px; color: var(--text-weak); transition: var(--transition); display: inline-flex; align-items: center; gap: 6px; }
.footer-links a:hover { color: var(--primary); transform: translateX(4px); }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.06); padding-top: 22px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: 13px; color: var(--text-weak); }

/* ================= 响应式 ================= */
@media (max-width: 1024px) {
    .feature-grid { grid-template-columns: repeat(2, 1fr); }
    .type-grid { grid-template-columns: repeat(2, 1fr); }
    .steps-grid { grid-template-columns: repeat(2, 1fr); gap: 32px 20px; }
    .steps-grid::before { display: none; }
    .price-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
}

@media (max-width: 768px) {
    .container-custom { padding: 0 20px; }
    .section { padding: 64px 0; }
    .site-header { top: 10px; width: calc(100% - 20px); }
    .nav-links, .nav-cta { display: none; }
    .mobile-toggle { display: flex; }
    .hero { min-height: auto; padding: 120px 0 60px; }
    .hero-actions { flex-direction: column; }
    .hero-actions .btn { width: 100%; }
    .scene-grid { grid-template-columns: 1fr; }
    .stats-bar { grid-template-columns: repeat(2, 1fr); padding: 32px 24px; gap: 24px; }
    .cta-form { flex-direction: column; border-radius: 24px; padding: 12px; }
    .cta-form .btn { width: 100%; }
    .grid-cols-1-mobile { grid-template-columns: 1fr !important; }
}

@media (max-width: 520px) {
    .feature-grid { grid-template-columns: 1fr; }
    .type-grid { grid-template-columns: 1fr; }
    .price-grid { grid-template-columns: 1fr; }
    .steps-grid { grid-template-columns: 1fr; gap: 28px; }
    .footer-grid { grid-template-columns: 1fr; gap: 28px; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .hero h1 { font-size: 30px; }
    .stat-num { font-size: 28px; }
    .cta-inner p { font-size: 15px; }
}