/* index.php 页面样式
   2026-09-19 从页面内联 <style> 拆出，内容未做任何修改。
   公共样式见 style.css —— 本文件在 style.css 之后加载，用于页面覆盖。 */

        :root {
            --primary: #1A56DB;
            --primary-dark: #1040B0;
            --primary-light: #60A5FA;
            --secondary: #F9A826;
            --secondary-dark: #D68910;
            --light: #F5F5F5;
            --dark: #2C3E50;
            --gray: #7F8C8D;
            --white: #FFFFFF;
            --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            line-height: 1.6;
            color: var(--dark);
            background-color: var(--white);
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ===== PAGE BANNER ===== */
        .page-banner {
            background: linear-gradient(135deg, #0F172A 0%, #1A3A5C 40%, var(--primary) 100%);
            color: var(--white);
            position: relative;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            top: 0; left: 0;
            width: 100%; height: 100%;
            background:
                radial-gradient(ellipse 700px 500px at 20% 30%, rgba(26,86,219,.25) 0%, transparent 70%),
                radial-gradient(ellipse 400px 400px at 80% 70%, rgba(16,185,129,.1) 0%, transparent 70%);
            pointer-events: none;
        }

        /* 2026-09-20：banner 右侧的「产品矩阵」卡片已移除，只剩左列。
           原为 1fr 420px —— 容器里没有第二个子元素时，左列只会拿到 1fr（约 680px），
           右侧空出 420px 的暗色空洞，所以改成单列。 */
        .banner-inner {
            position: relative;
            padding: 80px 0;
            height: 620px; overflow: hidden;
            display: grid;
            grid-template-columns: 1fr;
            gap: 60px;
            align-items: center;
            align-content: center;
        }

        .banner-tag {
            display: inline-block;
            background: rgba(255,255,255,.15);
            border: 1px solid rgba(255,255,255,.2);
            padding: 6px 18px;
            border-radius: 100px;
            font-size: .82rem;
            margin-bottom: 24px;
        }

        .banner-tag i { margin-right: 6px; color: var(--secondary); }

        .banner-inner h1 {
            font-size: clamp(2rem, 4.5vw, 3rem);
            font-weight: 900;
            line-height: 1.35;
            margin-bottom: 20px;
        }

        .banner-inner h1 span {
            background: linear-gradient(135deg, var(--secondary), #FCD34D);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        /* 2026-09-20：原来带 white-space: nowrap（配合 <br> 让两句各占一行）。
           现在 <br> 已去掉、两句合成一行（约 879px），nowrap 会在 769~919px 视口
           把结尾硬切掉，故改回自然折行：放得下就一行，放不下自动折成两行。 */
        .banner-inner .banner-desc {
            font-size: 1.1rem;
            color: rgba(255,255,255,.75);
            line-height: 1.8;
            margin-bottom: 36px;
        }

        .banner-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .banner-stats {
            display: flex;
            gap: 40px;
            flex-wrap: wrap;
            margin-top: 48px;
        }

        .banner-stat .stat-num {
            font-size: 1.8rem;
            font-weight: 900;
            color: var(--secondary);
        }

        .banner-stat .stat-label {
            font-size: .82rem;
            color: rgba(255,255,255,.6);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 700;
            cursor: pointer;
            border: none;
            text-decoration: none;
            transition: var(--transition);
        }
        .btn-primary {
            background: var(--secondary);
            color: var(--white);
            box-shadow: 0 4px 16px rgba(249,168,38,.35);
        }
        .btn-primary:hover { background: var(--secondary-dark); transform: translateY(-2px); }
        .btn-outline {
            background: transparent;
            border: 2px solid rgba(255,255,255,.4);
            color: var(--white);
        }
        .btn-outline:hover { background: rgba(255,255,255,.1); }
        .btn-accent {
            background: var(--secondary);
            color: var(--white);
            box-shadow: 0 4px 16px rgba(249,168,38,.35);
        }
        .btn-accent:hover { background: var(--secondary-dark); transform: translateY(-2px); }

        /* Banner 右侧产品预览 */
        .banner-visual {
            position: relative;
        }

        .banner-visual .preview-card {
            background: rgba(255,255,255,.06);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(255,255,255,.1);
            border-radius: 20px;
            padding: 28px 24px;
            position: relative;
            overflow: hidden;
        }

        .banner-visual .preview-card::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 120px;
            height: 120px;
            background: radial-gradient(circle, rgba(249,168,38,.2) 0%, transparent 70%);
        }

        .banner-visual .preview-label {
            font-size: .72rem;
            color: rgba(255,255,255,.5);
            text-transform: uppercase;
            letter-spacing: .12em;
            margin-bottom: 20px;
        }

        .banner-visual .preview-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
        }

        .banner-visual .preview-item {
            background: rgba(255,255,255,.08);
            border: 1px solid rgba(255,255,255,.08);
            border-radius: 12px;
            padding: 16px 14px;
            text-align: center;
            transition: var(--transition);
            cursor: pointer;
        }

        .banner-visual .preview-item:hover {
            background: rgba(255,255,255,.14);
            border-color: rgba(255,255,255,.2);
            transform: translateY(-2px);
        }

        .banner-visual .preview-item .pi-icon {
            font-size: 1.5rem;
            margin-bottom: 8px;
        }

        .banner-visual .preview-item .pi-name {
            font-size: .8rem;
            font-weight: 700;
        }

        .banner-visual .preview-item .pi-desc {
            font-size: .68rem;
            color: rgba(255,255,255,.5);
            margin-top: 4px;
        }

        /* 浮动数据卡 */
        .banner-visual .float-card {
            position: absolute;
            background: rgba(255,255,255,.95);
            border-radius: 12px;
            padding: 14px 18px;
            box-shadow: 0 8px 32px rgba(0,0,0,.2);
            color: var(--dark);
            font-size: .82rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 10px;
            animation: floatUpDown 3s ease-in-out infinite;
        }

        .banner-visual .float-card.fc-1 {
            top: -20px;
            right: -20px;
            animation-delay: 0s;
        }

        .banner-visual .float-card.fc-2 {
            bottom: -15px;
            left: -15px;
            animation-delay: 1.5s;
        }

        .banner-visual .float-card .fc-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
        }

        .banner-visual .float-card.fc-1 .fc-icon {
            background: linear-gradient(135deg, #1A56DB, #60A5FA);
            color: #fff;
        }

        .banner-visual .float-card.fc-2 .fc-icon {
            background: linear-gradient(135deg, #10B981, #34D399);
            color: #fff;
        }

        .banner-visual .float-card .fc-val {
            font-size: 1.1rem;
            font-weight: 900;
        }

        .banner-visual .float-card .fc-label {
            font-size: .7rem;
            color: var(--gray);
            font-weight: 400;
        }

        @keyframes floatUpDown {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
        }

        /* ===== 通用 Section ===== */
        .section { padding: 48px 0; }
        .section-alt { background: #f9fafb; }

        .section-header {
            text-align: center;
            margin-bottom: 56px;
        }

        .section-header h2 {
            font-size: clamp(1.75rem, 4vw, 2.5rem);
            font-weight: 700;
            color: var(--dark);
            line-height: 1.3;
        }

        .section-header h2 span { color: var(--primary); }

        .section-header p {
            font-size: 1.05rem;
            color: var(--gray);
            margin-top: 16px;
            max-width: 900px;
            margin-left: auto;
            margin-right: auto;
            white-space: nowrap;
        }
        @media (max-width: 768px) {
            .section-header p { white-space: normal; max-width: 560px; }
        }

        /* ===== 产品矩阵 ===== */
        .matrix-wrapper {
            position: relative;
        }
        .matrix-timeline {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            align-items: center;
            position: relative;
            margin-bottom: 36px;
        }
        .matrix-timeline::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            z-index: 0;
        }
        .matrix-cat {
            position: relative;
            z-index: 2;
            display: inline-block;
            background: var(--white);
            padding: 6px 16px;
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--primary);
            white-space: nowrap;
            justify-self: center;
        }
        .matrix-cat::before {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 0;
            border-left: 6px solid transparent;
            border-right: 6px solid transparent;
            border-top: 6px solid var(--primary);
        }
                .matrix-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .matrix-col {
            background: var(--white);
            border: 1px solid #e8ecf1;
            border-radius: 16px;
            padding: 20px 14px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .matrix-cat-desc {
            font-size: 0.78rem;
            color: var(--gray);
            line-height: 1.5;
            text-align: center;
            padding: 0;
            margin: 0 auto;
            width: 100%;
        }
        .matrix-list {
            list-style: none;
            padding: 0;
            margin: 0 auto;
            width: 100%;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 10px;
        }
        .matrix-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 6px;
            padding: 10px 4px;
            background: #f8fafc;
            border-radius: 10px;
            transition: all 0.2s;
            cursor: pointer;
        }
        .matrix-item a { display: contents; color: inherit; text-decoration: none; }
        .matrix-item:hover {
            background: rgba(26,86,219,.08);
            transform: translateY(-2px);
        }
        .matrix-item .mi-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: rgba(26,86,219,.1);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
        }
        .matrix-item .mi-icon svg { width: 20px; height: 20px; }
        .matrix-item .mi-name {
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--dark);
            text-align: center;
        }
        .matrix-item .mi-desc {
            font-size: 0.65rem;
            color: var(--gray);
            text-align: center;
            line-height: 1.3;
        }
        @media (max-width: 992px) {
            .matrix-grid { grid-template-columns: repeat(2, 1fr); }
            .matrix-timeline { display: none; }
        }
        /* 2026-09-21：移动端卡片内字号整体上调一级
           原 cat-desc / mi-name 均为 0.78rem(12.48px)、mi-desc 仅 0.65rem(10.4px)，手机上偏小 */
        @media (max-width: 768px) {
            .matrix-cat-desc { font-size: 0.9375rem; }
            .matrix-item .mi-icon { width: 38px; height: 38px; }
            .matrix-item .mi-icon svg { width: 21px; height: 21px; }
            .matrix-item .mi-name { font-size: 0.9375rem; }
            .matrix-item .mi-desc { font-size: 0.8125rem; }
        }
        @media (max-width: 576px) {
            .matrix-grid { grid-template-columns: 1fr; }
        }

        .product-card {
            background: var(--white);
            border: 1px solid #e8ecf1;
            border-radius: 20px;
            padding: 40px 28px;
            text-align: center;
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .product-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 50px rgba(26,86,219,.15);
            border-color: var(--primary-light);
        }

        .product-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 20px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
        }

        .product-card:nth-child(1) .product-icon { background: linear-gradient(135deg, rgba(26,86,219,.12), rgba(26,86,219,.24)); color: var(--primary); }
        .product-card:nth-child(2) .product-icon { background: linear-gradient(135deg, rgba(16,185,129,.12), rgba(16,185,129,.24)); color: #10B981; }
        .product-card:nth-child(3) .product-icon { background: linear-gradient(135deg, rgba(139,92,246,.12), rgba(139,92,246,.24)); color: #8B5CF6; }
        .product-card:nth-child(4) .product-icon { background: linear-gradient(135deg, rgba(245,158,11,.12), rgba(245,158,11,.24)); color: #F59E0B; }
        .product-card:nth-child(5) .product-icon { background: linear-gradient(135deg, rgba(139,92,246,.12), rgba(139,92,246,.24)); color: #8B5CF6; }
        .product-card:nth-child(6) .product-icon { background: linear-gradient(135deg, rgba(6,182,212,.12), rgba(6,182,212,.24)); color: #06B6D4; }

        .product-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--dark);
        }

        .product-card p {
            font-size: .88rem;
            color: var(--gray);
            line-height: 1.65;
            margin-bottom: 20px;
        }

        .product-card .product-link {
            font-size: .88rem;
            font-weight: 700;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .product-card .product-link i {
            transition: transform .2s;
        }

        .product-card:hover .product-link i {
            transform: translateX(4px);
        }

        /* ===== 为什么选择 ===== */
        .why-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .why-card {
            text-align: center;
            padding: 36px 24px;
        }

        .why-card .why-icon {
            width: 60px;
            height: 60px;
            margin: 0 auto 20px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--white);
        }

        .why-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--dark);
        }

        .why-card p {
            font-size: .9rem;
            color: var(--gray);
            line-height: 1.7;
        }

        /* ===== 信任 ===== */
        .trust-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }

        .trust-item .trust-num {
            font-size: 2.5rem;
            font-weight: 900;
            color: var(--primary);
            line-height: 1.2;
        }

        .trust-item .trust-label {
            font-size: .92rem;
            color: var(--gray);
            margin-top: 8px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            padding: 80px 0;
            text-align: center;
            color: var(--white);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background:
                radial-gradient(ellipse 400px 300px at 20% 80%, rgba(255,255,255,.06) 0%, transparent 70%),
                radial-gradient(ellipse 300px 200px at 80% 20%, rgba(249,168,38,.1) 0%, transparent 70%);
        }

        .cta-inner { position: relative; z-index: 2; max-width: 860px; margin: 0 auto; }

        .cta-section h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 900;
            margin-bottom: 16px;
            color: #FFFFFF;
            text-shadow: 0 2px 8px rgba(0,0,0,.25); 
        }

        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255,255,255,.8);
            margin-bottom: 36px;
        }

        .cta-trust {
            display: flex;
            gap: 28px;
            justify-content: center;
            flex-wrap: nowrap;
        }

        .cta-trust-item {
            font-size: .82rem;
            color: rgba(255,255,255,.75);
            display: flex;
            align-items: center;
            gap: 5px;
            white-space: nowrap;
        }

        .cta-trust-item i, .cta-trust-item .svg-icon { color: #FCD34D; }

        /* ===== 我们服务的客户（品牌墙） ===== */
        .brand-section { background: #f9fafb; padding: 20px 0 60px; }
        .brand-title { font-size: clamp(1.75rem, 4vw, 2.5rem); font-weight: 700; color: var(--dark); line-height: 1.3; text-align: center; margin: 30px 0 16px; }
        .brand-sub { font-size: 1.05rem; color: var(--gray); text-align: center; margin-bottom: 0; }
        .brand-tabs { display: flex; justify-content: center; flex-wrap: wrap; gap: 14px; list-style: none; padding-top: 30px; margin-bottom: 5px; }
        .brand-tabs li { position: relative; padding: 10px 28px; font-size: 17px; color: #555; background: #fff; border: 1px solid #e2e8f0; border-radius: 999px; cursor: pointer; transition: all .25s; user-select: none; }
        .brand-tabs li:hover { color: var(--primary); border-color: var(--primary); background: rgba(26,86,219,.05); }
        .brand-tabs li.active { color: #fff; background: var(--primary); border-color: var(--primary); box-shadow: 0 6px 16px rgba(26,86,219,.25); }
        .brand-panels { padding: 35px 0 10px; }
        /* 2026-09-21 重做排布：原来用 flex + 百分比 margin，`img:nth-child(3n){margin-right:4%}`
           会和 `nth-child(2n){margin-right:0}` 打架 —— 同一行两张都吃到 4% 右边距时整行正好超出
           容器宽度（2×47% + 2×4% = 102%），浏览器就把这一行拆开，于是出现
           「有的行两张、有的行一张」。改成 CSS Grid + gap：格子尺寸与行列间距完全一致，
           并且不会再出现「算出来差 1% 就折行」这类问题。
           同时给每枚 logo 加白底圆角卡片：源图统一是 243×82 的透明画布（logo 本体留白不一），
           有卡片兜底后视觉尺寸才整齐。 */
        .brand-panel {
            display: none;
            grid-template-columns: repeat(5, 1fr);
            gap: 18px 20px;
            --brand-cell: calc(20% - 16px);  /* 单格宽度，供「最后落单」那枚居中时复用 */
        }
        .brand-panel.active { display: grid; }
        .brand-panel img {
            width: 100%;
            height: auto;
            /* 源图几乎都是 243×82（仅 1 张是 243×83），钉死宽高比 + contain，
               保证所有卡片连高度都逐像素一致，且不拉伸任何一张 logo */
            aspect-ratio: 243 / 82;
            object-fit: contain;
            box-sizing: border-box;
            background: #fff;
            border: 1px solid #e8edf5;
            border-radius: 10px;
            padding: 8px 12px;
            transition: all .3s;
        }
        /* 数量凑不满一整行时，最后落单的一枚居中显示（尺寸与同排保持完全一致） */
        .brand-panel img:last-child:nth-child(5n+1) {
            grid-column: 1 / -1;
            justify-self: center;
            width: var(--brand-cell);
        }
        .brand-panel img:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 18px rgba(26,86,219,.15);
            border-color: rgba(26,86,219,.35);
        }
        @media (max-width: 992px) {
            .brand-tabs li { font-size: 16px; padding: 8px 18px; }
            .brand-panel { grid-template-columns: repeat(4, 1fr); gap: 14px 16px; --brand-cell: calc(25% - 12px); }
            .brand-panel img:last-child:nth-child(5n+1) { grid-column: auto; justify-self: stretch; width: 100%; }
            .brand-panel img:last-child:nth-child(4n+1) { grid-column: 1 / -1; justify-self: center; width: var(--brand-cell); }
        }
        @media (max-width: 576px) {
            .brand-tabs li { font-size: 15px; padding: 7px 14px; }
            .brand-panel { grid-template-columns: repeat(2, 1fr); gap: 10px; --brand-cell: calc(50% - 5px); }
            .brand-panel img { padding: 6px 8px; border-radius: 8px; }
            .brand-panel img:last-child:nth-child(4n+1) { grid-column: auto; justify-self: stretch; width: 100%; }
            .brand-panel img:last-child:nth-child(2n+1) { grid-column: 1 / -1; justify-self: center; width: var(--brand-cell); }
        }

        /* ===== 响应式 ===== */
        @media (max-width: 992px) {
            .banner-inner { grid-template-columns: 1fr; }
            .banner-visual { display: none; }
            .product-grid { grid-template-columns: 1fr 1fr 1fr; }
            .why-grid { grid-template-columns: 1fr 1fr; }
            .trust-grid { grid-template-columns: 1fr 1fr; }
        }

        @media (max-width: 768px) {
            .section { padding: 36px 0; }
            .page-banner { margin-top: 56px; }
            .banner-inner { padding: 30px 0 50px; height: auto; overflow: visible; }
            .banner-inner h1 { font-size: 1.6rem; line-height: 1.4; }
            .banner-grid { grid-template-columns: 1fr !important; gap: 32px !important; height: auto !important; }
            .banner-visual { display: none; }
            .banner-desc { white-space: normal !important; }
            .banner-actions { flex-direction: column; align-items: stretch; }
            .banner-actions .btn { width: 100%; justify-content: center; }
            .banner-stats { gap: 16px; flex-wrap: wrap; }
            .banner-stats .banner-stat { min-width: calc(50% - 8px); }
            .product-grid { grid-template-columns: 1fr; }
            .why-grid { grid-template-columns: 1fr; }
            .trust-grid { grid-template-columns: 1fr 1fr; }
            .cta-trust { flex-wrap: wrap; }

            /* 2026-09-21：移动端「为什么选择」改成左对齐横向条。
               之前是 6 张居中卡片单列堆叠、卡片没有底色边框，卡内上下各 36px 内距
               再叠 24px 卡间隙，相邻两卡之间实际空隙 96px，整段高约 1800px，
               看着就是一长串居中漂浮文字。改成「图标在左 / 标题+正文在右、文字左对齐」
               的卡片后，整段压到约 1000px，读起来也顺。桌面端 3 列布局不动。 */
            .section-alt .section-header { margin-bottom: 28px; }
            .why-grid { gap: 12px; }
            .why-card {
                display: grid;
                grid-template-columns: 44px 1fr;
                column-gap: 14px;
                row-gap: 3px;
                align-items: center;
                text-align: left;
                padding: 16px;
                background: #fff;
                border: 1px solid #e9eef6;
                border-radius: 14px;
                box-shadow: 0 2px 8px rgba(15,40,90,.04);
            }
            .why-card .why-icon {
                grid-column: 1;
                grid-row: 1 / span 2;
                width: 44px;
                height: 44px;
                margin: 0;
                border-radius: 12px;
                font-size: 1.15rem;
            }
            .why-card h3 {
                grid-column: 2;
                grid-row: 1;
                align-self: end;
                margin-bottom: 0;
                font-size: 1rem;
            }
            .why-card p {
                grid-column: 2;
                grid-row: 2;
                align-self: start;
                font-size: .86rem;
                line-height: 1.6;
            }
        }
    


/* ==========================================================================
   2026-09-21 移动端 CTA（「给我们一次演示机会，您再做出选择！」联系区块）上下留白收紧
   原来手机上直接沿用桌面值（各页 70 / 80 / 100px），390px 宽下这块内容只有 3~5 行，
   上下各留一大块空白，很空、不紧凑 → 移动端统一收到 40px（约一半），桌面端一行未动。
   ⚠️ 必须写在**页面 CSS** 里：style.css 的媒体查询会被页面 CSS 的基础规则
   （同为 .cta-section 0,1,0，但页面 CSS 后加载）压掉，放 style.css 不生效。
   ========================================================================== */
@media (max-width: 768px) {
    .cta-section { padding: 40px 0; }
}