/* b2b-growth.html 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;
            --accent: #06B6D4;
            --dark: #0F172A;
            --gray: #64748B;
            --white: #FFFFFF;
            --light: #F4F7FE;
            --shadow: 0 10px 30px rgba(0,0,0,.08);
            --transition: all .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: var(--white); }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        .section { padding: 60px 0; }
        .section-alt { background: var(--light); }

        /* ===== Banner ===== */
        .b2b-banner {
            position: relative;
            min-height: 480px;
            background: linear-gradient(135deg, #0B1B3A 0%, #12306B 45%, var(--primary) 100%);
            color: var(--white);
            overflow: hidden;
        }
        .b2b-banner::before {
            content: ''; position: absolute; inset: 0;
            background-image: radial-gradient(circle at 1px 1px, rgba(96,165,250,.20) 1px, transparent 0);
            background-size: 28px 28px;
            pointer-events: none;
        }
        .b2b-banner::after {
            content: ''; position: absolute;
            right: -140px; top: 50%; transform: translateY(-50%);
            width: 560px; height: 560px; border-radius: 50%;
            background: radial-gradient(circle, rgba(6,182,212,.18) 0%, rgba(6,182,212,0) 70%);
            pointer-events: none;
        }
        .b2b-banner .container { position: relative; padding: 90px 60px 80px; z-index: 1; }
        .b2b-banner h1 { font-size: clamp(1.9rem, 4.5vw, 2.8rem); font-weight: 900; margin-bottom: 18px; line-height: 1.3; }
        .b2b-banner h1 span { background: linear-gradient(135deg, #60A5FA, #22D3EE); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .b2b-banner .labs { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 20px; }
        .b2b-banner .labs b { font-size: .9rem; font-weight: 600; color: #fff; background: rgba(96,165,250,.16); border: 1px solid rgba(96,165,250,.35); padding: 6px 14px; border-radius: 100px; }
        .b2b-banner .banner-sub { font-size: 1.05rem; color: rgba(255,255,255,.82); line-height: 1.9; max-width: 660px; margin-bottom: 28px; }
        .b2b-banner .banner-sub strong { color: #22D3EE; font-weight: 700; }
        .banner-actions { display: flex; gap: 14px; flex-wrap: wrap; }
        .btn { display: inline-flex; align-items: center; gap: 8px; padding: 14px 34px; border-radius: 50px; font-size: 1rem; font-weight: 600; text-decoration: none; transition: all .3s; }
        .btn-primary { background: linear-gradient(135deg, var(--secondary), #F9A826); color: #fff; box-shadow: 0 8px 25px rgba(249,168,38,.35); }
        .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(249,168,38,.45); }
        .btn-outline { border: 2px solid rgba(255,255,255,.65); color: #fff; background: rgba(255,255,255,.06); }
        .btn-outline:hover { background: rgba(255,255,255,.14); }

        /* ===== Section header ===== */
        .section-header { text-align: center; max-width: 1100px; margin: 0 auto 36px; }
        .section-header h2 { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 900; margin-bottom: 14px; }
        .section-header h2 span { color: var(--primary); }
        .section-header p { font-size: 1rem; color: var(--gray); line-height: 1.8; max-width: 860px; margin-left: auto; margin-right: auto; }
        .section-header p strong { color: var(--primary); }
        .sec-no { display: inline-block; font-size: .82rem; font-weight: 800; letter-spacing: .12em; color: var(--primary); background: rgba(26,86,219,.08); border: 1px solid rgba(26,86,219,.18); padding: 4px 14px; border-radius: 100px; margin-bottom: 14px; }

        /* ===== 图片嵌入 ===== */
        .flow-wrap { max-width: 1080px; margin: 40px auto 0; }
        .flow-img { display: block; width: 100%; height: auto; max-width: 1080px; margin: 0 auto; border-radius: 10px; box-shadow: 0 12px 34px rgba(15,23,42,.1); background: #fff; }

        /* ===== 五维体系 ===== */
        .five-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
        .five-card { background: #fff; border: 1px solid #E4EAF6; border-radius: 16px; padding: 26px 18px; text-align: center; transition: all .3s; }
        .five-card:hover { box-shadow: 0 14px 32px rgba(26,86,219,.13); transform: translateY(-4px); border-color: var(--primary); }
        .five-card .fc-no { font-size: .78rem; font-weight: 800; color: var(--primary-light); letter-spacing: .1em; margin-bottom: 8px; }
        .five-card h4 { font-size: 1.08rem; font-weight: 800; margin-bottom: 10px; }
        .five-card p { font-size: .87rem; color: var(--gray); line-height: 1.75; }

        /* ===== 痛点 ===== */
        .pain-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
        .pain-card { background: #fff; border-radius: 16px; padding: 28px 26px; border: 1px solid #E4EAF6; position: relative; overflow: hidden; }
        .pain-card::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: linear-gradient(180deg, var(--primary), var(--accent)); }
        .pain-card h4 { font-size: 1.12rem; font-weight: 800; margin-bottom: 10px; display: flex; align-items: center; gap: 8px; }
        .pain-card h4 i { width: 26px; height: 26px; border-radius: 8px; background: rgba(26,86,219,.09); color: var(--primary); display: flex; align-items: center; justify-content: center; font-style: normal; font-size: .82rem; font-weight: 900; flex-shrink: 0; }
        .pain-card p { font-size: .93rem; color: var(--gray); line-height: 1.85; }
        .pain-card p b { color: var(--primary); }

        /* ===== 获客方式 6 ===== */
        .acq-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
        .acq-card { background: #fff; border: 1px solid #E4EAF6; border-radius: 16px; padding: 26px 22px; transition: all .3s; }
        .acq-card:hover { box-shadow: 0 14px 32px rgba(26,86,219,.12); transform: translateY(-4px); border-color: var(--primary); }
        .acq-card .ac-top { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
        .acq-card .ac-icon { width: 46px; height: 46px; border-radius: 13px; background: linear-gradient(135deg, rgba(26,86,219,.12), rgba(6,182,212,.1)); color: var(--primary); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
        .acq-card .ac-icon svg { width: 22px; height: 22px; }
        .acq-card h4 { font-size: 1.08rem; font-weight: 800; line-height: 1.4; }
        .acq-card .ac-tag { font-size: .8rem; font-weight: 700; color: var(--secondary-dark); margin-bottom: 10px; }
        .acq-card p { font-size: .9rem; color: var(--gray); line-height: 1.8; }
        .acq-card ul { list-style: none; margin-top: 12px; }
        .acq-card ul li { font-size: .88rem; color: var(--gray); line-height: 1.75; padding: 4px 0 4px 20px; position: relative; }
        .acq-card ul li::before { content: '✓'; position: absolute; left: 0; top: 4px; color: var(--primary); font-weight: 900; font-size: .82rem; }
        .acq-card ul li b { color: var(--dark); }

        /* ===== 系统支持 2×2 ===== */
        .sys-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
        .sys-card { background: #fff; border: 1px solid #E4EAF6; border-radius: 16px; padding: 30px 26px; transition: all .3s; }
        .sys-card:hover { box-shadow: 0 14px 32px rgba(26,86,219,.13); transform: translateY(-4px); border-color: var(--primary); }
        .sys-card .sc-head { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
        .sys-card .sc-icon { width: 50px; height: 50px; border-radius: 14px; background: rgba(26,86,219,.09); color: var(--primary); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
        .sys-card .sc-icon svg { width: 24px; height: 24px; }
        .sys-card h4 { font-size: 1.18rem; font-weight: 800; }
        .sys-card .sc-sub { font-size: .92rem; font-weight: 700; color: var(--secondary-dark); }
        .sys-card p { font-size: .92rem; color: var(--gray); line-height: 1.85; }
        .sys-card ul { list-style: none; margin-top: 8px; }
        .sys-card ul li { padding: 5px 0 5px 22px; font-size: .9rem; color: var(--gray); line-height: 1.75; position: relative; }
        .sys-card ul li::before { content: '✓'; position: absolute; left: 0; top: 5px; color: var(--primary); font-weight: 900; font-size: .85rem; }
        .chip-wrap { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 14px; }
        .chip-wrap span { font-size: .8rem; color: var(--primary); background: rgba(26,86,219,.07); border: 1px solid rgba(26,86,219,.14); padding: 4px 11px; border-radius: 100px; }

        /* ===== 模块清单（私域育客 / 客户成交 / 售后 / 数据资产）===== */
        .mod-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
        .mod-grid.col4 { grid-template-columns: repeat(4, 1fr); }
        .mod-card { background: #fff; border: 1px solid #E4EAF6; border-radius: 14px; padding: 24px 20px; transition: all .3s; }
        .mod-card:hover { box-shadow: 0 12px 28px rgba(26,86,219,.11); transform: translateY(-3px); }
        .mod-card h4 { font-size: 1.02rem; font-weight: 800; margin-bottom: 10px; padding-left: 14px; position: relative; }
        .mod-card h4::before { content: ''; position: absolute; left: 0; top: 6px; bottom: 6px; width: 4px; border-radius: 4px; background: linear-gradient(180deg, var(--primary), var(--accent)); }
        .mod-card p { font-size: .88rem; color: var(--gray); line-height: 1.8; }

        /* ===== 铁军机制 ===== */
        .iron-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
        .iron-item { background: #fff; border: 1px solid #E4EAF6; border-radius: 14px; padding: 20px 18px; transition: all .3s; }
        .iron-item:hover { border-color: var(--primary); box-shadow: 0 12px 26px rgba(26,86,219,.11); }
        .iron-item h5 { font-size: .98rem; font-weight: 800; color: var(--primary); margin-bottom: 8px; }
        .iron-item p { font-size: .85rem; color: var(--gray); line-height: 1.75; }

        /* ===== 专业服务 ===== */
        .service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
        .service-card { background: #fff; border-radius: 16px; padding: 32px 26px; text-align: center; border: 1px solid #E4EAF6; transition: all .3s; }
        .service-card:hover { box-shadow: 0 14px 32px rgba(26,86,219,.13); transform: translateY(-4px); border-color: var(--primary); }
        .service-card .sv-tag { display: inline-block; font-size: .85rem; font-weight: 800; color: var(--primary); background: rgba(26,86,219,.08); padding: 5px 16px; border-radius: 100px; margin-bottom: 14px; }
        .service-card h4 { font-size: 1.25rem; font-weight: 900; margin-bottom: 10px; }
        .service-card p { font-size: .92rem; color: var(--gray); line-height: 1.85; }

        /* ===== 报价说明 ===== */
        .quote-box { max-width: 940px; margin: 0 auto; background: #fff; border: 1px solid #E4EAF6; border-left: 5px solid var(--primary); border-radius: 14px; padding: 30px 32px; }
        .quote-box h4 { font-size: 1.15rem; font-weight: 900; margin-bottom: 12px; }
        .quote-box p { font-size: .95rem; color: var(--gray); line-height: 1.95; }
        .quote-box p b { color: var(--primary); }

        /* ===== CTA ===== */
        .cta-section { background: linear-gradient(135deg, #0B1B3A 0%, #12306B 50%, var(--primary) 100%); color: #fff; text-align: center; padding: 70px 0; }
        .cta-section h2 { font-size: clamp(1.7rem, 3.5vw, 2.4rem); font-weight: 900; margin-bottom: 18px; }
        .cta-section p { color: rgba(255,255,255,.8); margin-bottom: 30px; font-size: 1rem; }
        .cta-section .cta-note { font-size: .85rem; color: rgba(255,255,255,.55); margin-top: 18px; margin-bottom: 0; }

        /* ===== 响应式 ===== */
        @media (max-width: 992px) {
            .five-grid { grid-template-columns: repeat(2, 1fr); }
            .acq-grid, .mod-grid, .mod-grid.col4 { grid-template-columns: 1fr 1fr; }
            .iron-grid { grid-template-columns: 1fr 1fr; }
            .service-grid { grid-template-columns: 1fr; }
        }
        @media (max-width: 768px) {
            .b2b-banner { min-height: auto; }
            .b2b-banner::before { display: none; }
            .b2b-banner .container { padding: 86px 20px 30px; }
            .b2b-banner h1 { font-size: 1.55rem; }
            .b2b-banner .labs { gap: 8px; margin-bottom: 16px; }
            .b2b-banner .labs b { font-size: .78rem; padding: 5px 10px; }
            .b2b-banner .banner-sub { font-size: .92rem; line-height: 1.8; }
            .banner-actions { flex-direction: column; align-items: stretch; }
            .banner-actions .btn { width: 100%; justify-content: center; }
            .section { padding: 44px 0; }
            .five-grid, .acq-grid, .sys-grid, .mod-grid, .mod-grid.col4, .iron-grid, .pain-grid { grid-template-columns: 1fr; }
            .flow-wrap { margin-top: 26px; }
        }
    


/* ==========================================================================
   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; }
}