/* ============================================================
   赞网 全站样式表 style.css
   覆盖页面：index / 404 / services / cases / faq / about / contact
   ============================================================ */

/* ---------- 基础重置 ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
    font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #e4ecf7 100%);
    min-height: 100vh;
    color: #333;
    line-height: 1.6;
    padding: 24px 16px;
}
.wrap { max-width: 1100px; margin: 0 auto; }

/* ---------- 顶部导航 ---------- */
.topbar {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    padding: 14px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 16px;
}
.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 700;
    color: #096dd9;
    text-decoration: none;
}
.brand .logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px; height: 34px;
    background: linear-gradient(135deg, #1890ff 0%, #096dd9 100%);
    color: #fff;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 700;
}
.topnav { display: flex; gap: 6px; flex-wrap: wrap; }
.topnav a {
    color: #555;
    text-decoration: none;
    font-size: 14px;
    padding: 6px 12px;
    border-radius: 6px;
    transition: all 0.2s;
}
.topnav a:hover, .topnav a.active { background: #f0f7ff; color: #1890ff; }

/* ---------- 面包屑 ---------- */
.crumb { font-size: 13px; color: #888; margin-bottom: 12px; padding: 0 4px; }
.crumb a { color: #1890ff; text-decoration: none; }
.crumb a:hover { text-decoration: underline; }
.crumb span { margin: 0 6px; color: #ccc; }

/* ---------- 更新时间戳 ---------- */
.updated { font-size: 12px; color: #999; padding: 0 4px; margin-bottom: 12px; }
.updated time { color: #1890ff; }

/* ---------- 页面标题 ---------- */
.page-head { background: #fff; border-radius: 14px; box-shadow: 0 10px 40px rgba(0,0,0,0.08); padding: 28px 32px; margin-bottom: 16px; }
.page-head h1 { font-size: 24px; font-weight: 700; color: #1a1a1a; margin-bottom: 8px; }
.page-head h1 .em {
    background: linear-gradient(135deg, #1890ff 0%, #096dd9 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.page-head p { font-size: 14px; color: #666; line-height: 1.9; }

/* ---------- Hero 区 ---------- */
.hero {
    background: #fff;
    border-radius: 14px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    margin-bottom: 16px;
}
.hero-inner {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    align-items: stretch;
}
.hero-left { padding: 40px 32px; }
.hero-left .code {
    font-size: 88px;
    font-weight: 800;
    line-height: 1;
    background: linear-gradient(135deg, #1890ff 0%, #096dd9 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 2px;
    margin-bottom: 14px;
}
.hero-left h1 { font-size: 24px; font-weight: 700; color: #1a1a1a; margin-bottom: 10px; line-height: 1.4; }
.hero-left h1 .em {
    background: linear-gradient(135deg, #1890ff 0%, #096dd9 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.hero-left .lead { font-size: 15px; color: #666; line-height: 1.9; margin-bottom: 18px; }
.hero-left .lead .highlight { color: #1890ff; font-weight: 600; }
.hero-left p { font-size: 14px; color: #666; line-height: 1.95; margin-bottom: 14px; }
.hero-left p .hl { color: #1890ff; font-weight: 600; }

/* ---------- 按钮 ---------- */
.btn-group { display: flex; gap: 10px; flex-wrap: wrap; }
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s;
    border: 1px solid transparent;
}
.btn-primary { background: linear-gradient(135deg, #1890ff 0%, #096dd9 100%); color: #fff; }
.btn-primary:hover { opacity: 0.92; transform: translateY(-1px); }
.btn-ghost { background: #fff; color: #1890ff; border-color: #1890ff; }
.btn-ghost:hover { background: #f0f7ff; }

/* ---------- Hero 右栏 ---------- */
.hero-right {
    background: linear-gradient(135deg, #1890ff 0%, #096dd9 100%);
    color: #fff;
    padding: 32px 28px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.hero-right .tag {
    display: inline-block;
    background: rgba(255, 255, 255, 0.18);
    color: #fff;
    font-size: 12px;
    padding: 4px 12px;
    border-radius: 20px;
    margin-bottom: 12px;
    align-self: flex-start;
}
.hero-right .badge {
    display: inline-block;
    background: rgba(255,255,255,0.18);
    padding: 4px 12px;
    border-radius: 14px;
    font-size: 12px;
    margin-bottom: 12px;
    align-self: flex-start;
}
.hero-right h2 { font-size: 20px; font-weight: 700; margin-bottom: 10px; }
.hero-right p { font-size: 13px; line-height: 1.9; opacity: 0.96; }
.hero-right .new-domain {
    font-size: 20px;
    font-weight: 700;
    word-break: break-all;
    margin-bottom: 14px;
    padding: 12px 14px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 8px;
}
.hero-right .new-domain a { color: #fff; text-decoration: underline; }
.hero-right .migrate-note { font-size: 13px; line-height: 1.85; opacity: 0.96; }
.hero-right .migrate-note b { font-weight: 600; }

/* ---------- 数据统计 ---------- */
.stats { display: flex; gap: 24px; flex-wrap: wrap; margin-top: 18px; }
.stats .item .num { font-size: 26px; color: #1890ff; font-weight: 700; }
.stats .item .lbl { font-size: 12px; color: #888; }

/* ---------- 服务卡片（首页/404） ---------- */
.services { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 16px; }
.svc {
    background: #fff;
    border-radius: 10px;
    padding: 20px 16px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
    text-decoration: none;
    color: #333;
    transition: all 0.2s;
    border-top: 3px solid #1890ff;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.svc:hover { transform: translateY(-3px); box-shadow: 0 10px 24px rgba(24, 144, 255, 0.18); }
.svc .ico { font-size: 24px; color: #1890ff; font-weight: 700; }
.svc .t { font-size: 16px; font-weight: 600; color: #222; }
.svc .d { font-size: 12px; color: #888; line-height: 1.7; }

/* ---------- 内容双栏 ---------- */
.grid2 { display: grid; grid-template-columns: 1.4fr 1fr; gap: 16px; margin-bottom: 16px; }

/* ---------- 卡片容器 ---------- */
.card {
    background: #fff;
    border-radius: 14px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    padding: 24px 28px;
    margin-bottom: 16px;
}
.card h2 {
    font-size: 18px;
    color: #222;
    margin-bottom: 14px;
    padding-bottom: 10px;
    border-bottom: 2px solid #f0f7ff;
    display: flex;
    align-items: center;
    gap: 8px;
}
.card h2::before { content: ""; display: inline-block; width: 4px; height: 18px; background: #1890ff; border-radius: 2px; }
.card p { font-size: 14px; color: #666; line-height: 1.95; margin-bottom: 12px; }
.card p .highlight { color: #1890ff; font-weight: 600; }
.card ul { list-style: none; padding: 0; }
.card ul li {
    font-size: 14px;
    color: #555;
    padding: 8px 0 8px 22px;
    position: relative;
    border-bottom: 1px dashed #eef2f7;
    line-height: 1.8;
}
.card ul li:last-child { border-bottom: none; }
.card ul li::before { content: "✓"; position: absolute; left: 4px; top: 8px; color: #1890ff; font-weight: 700; }

/* ---------- FAQ 折叠 ---------- */
.faq-list { display: grid; gap: 8px; }
.faq-item { border: 1px solid #eef2f7; border-radius: 8px; margin-bottom: 8px; overflow: hidden; }
.faq-item summary {
    list-style: none;
    cursor: pointer;
    padding: 12px 16px;
    font-size: 14px;
    font-weight: 600;
    color: #333;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    transition: background 0.2s;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { background: #f7fbff; }
.faq-item summary::after { content: "+"; font-size: 18px; color: #1890ff; font-weight: 400; }
.faq-item[open] summary::after { content: "−"; }
.faq-item .ans { padding: 0 16px 14px; font-size: 13px; color: #666; line-height: 1.85; }
.faq-item .ans a { color: #1890ff; }

/* ---------- CTA 横幅 ---------- */
.cta {
    background: linear-gradient(135deg, #1890ff 0%, #096dd9 100%);
    color: #fff;
    border-radius: 14px;
    padding: 28px 32px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    box-shadow: 0 10px 40px rgba(24, 144, 255, 0.25);
}
.cta .txt h2 { font-size: 20px; font-weight: 700; margin-bottom: 6px; }
.cta .txt p { font-size: 13px; opacity: 0.92; }
.cta .btn-white {
    background: #fff;
    color: #096dd9;
    padding: 12px 28px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    font-size: 15px;
    transition: all 0.2s;
}
.cta .btn-white:hover { transform: translateY(-1px); box-shadow: 0 6px 18px rgba(0,0,0,0.15); }

/* ---------- 页脚 ---------- */
.footer {
    background: #fff;
    border-radius: 12px;
    padding: 20px 24px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    text-align: center;
    font-size: 12px;
    color: #999;
    line-height: 1.9;
}
.footer a { color: #888; text-decoration: none; margin: 0 6px; }
.footer a:hover { color: #1890ff; }
.footer .links { margin-bottom: 6px; }

/* ============================================================
   服务页 services.html
   ============================================================ */
.svc-block { background: #fff; border-radius: 14px; box-shadow: 0 10px 40px rgba(0,0,0,0.08); padding: 28px 32px; margin-bottom: 16px; border-left: 4px solid #1890ff; }
.svc-block h2 { font-size: 20px; color: #1a1a1a; margin-bottom: 6px; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.svc-block h2 .num { display: inline-flex; align-items: center; justify-content: center; width: 32px; height: 32px; background: linear-gradient(135deg, #1890ff 0%, #096dd9 100%); color: #fff; border-radius: 8px; font-size: 15px; }
.svc-block .sub { font-size: 13px; color: #888; margin-bottom: 14px; }
.svc-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 20px; }
.svc-grid h3 { font-size: 14px; color: #096dd9; margin: 14px 0 8px; font-weight: 600; }
.svc-grid p, .svc-grid li { font-size: 14px; color: #555; line-height: 1.95; }
.svc-grid ul { list-style: none; padding: 0; }
.svc-grid ul li { padding: 6px 0 6px 22px; position: relative; }
.svc-grid ul li::before { content: "✓"; position: absolute; left: 4px; color: #1890ff; font-weight: 700; }
.price-box { background: linear-gradient(135deg, #f0f7ff 0%, #e8f3ff 100%); border-radius: 10px; padding: 16px 18px; }
.price-box .label { font-size: 12px; color: #888; margin-bottom: 4px; }
.price-box .price { font-size: 26px; color: #1890ff; font-weight: 700; }
.price-box .price small { font-size: 13px; color: #888; font-weight: 400; }
.price-box .note { font-size: 12px; color: #999; margin-top: 6px; line-height: 1.7; }
.tags { margin-top: 12px; display: flex; gap: 6px; flex-wrap: wrap; }
.tags span { font-size: 12px; color: #096dd9; background: #f0f7ff; padding: 4px 10px; border-radius: 14px; }
.svc-link { margin-top: 14px; display: inline-flex; gap: 6px; align-items: center; padding: 8px 16px; background: linear-gradient(135deg, #1890ff 0%, #096dd9 100%); color: #fff; text-decoration: none; border-radius: 6px; font-size: 13px; font-weight: 500; }
.svc-link.ghost { background: #fff; color: #1890ff; border: 1px solid #1890ff; }

/* 服务对比表 */
.compare { background: #fff; border-radius: 14px; box-shadow: 0 10px 40px rgba(0,0,0,0.08); padding: 24px 28px; margin-bottom: 16px; overflow-x: auto; }
.compare h2 { font-size: 18px; color: #222; margin-bottom: 14px; padding-bottom: 10px; border-bottom: 2px solid #f0f7ff; display: flex; align-items: center; gap: 8px; }
.compare h2::before { content: ""; display: inline-block; width: 4px; height: 18px; background: #1890ff; border-radius: 2px; }
.compare table { width: 100%; border-collapse: collapse; min-width: 560px; font-size: 13px; }
.compare th, .compare td { padding: 10px 12px; text-align: left; border-bottom: 1px solid #eef2f7; }
.compare th { background: #f7fbff; color: #333; font-weight: 600; }
.compare td:first-child { font-weight: 600; color: #096dd9; }

/* 服务问答 */
.qa { background: #fff; border-radius: 14px; box-shadow: 0 10px 40px rgba(0,0,0,0.08); padding: 24px 28px; margin-bottom: 16px; }
.qa h2 { font-size: 18px; color: #222; margin-bottom: 14px; padding-bottom: 10px; border-bottom: 2px solid #f0f7ff; display: flex; align-items: center; gap: 8px; }
.qa h2::before { content: ""; display: inline-block; width: 4px; height: 18px; background: #1890ff; border-radius: 2px; }
.qa details { border: 1px solid #eef2f7; border-radius: 8px; margin-bottom: 8px; overflow: hidden; }
.qa summary { list-style: none; cursor: pointer; padding: 12px 16px; font-size: 14px; font-weight: 600; color: #333; display: flex; justify-content: space-between; gap: 10px; }
.qa summary::-webkit-details-marker { display: none; }
.qa summary::after { content: "+"; color: #1890ff; font-size: 18px; }
.qa details[open] summary::after { content: "−"; }
.qa .ans { padding: 0 16px 14px; font-size: 13px; color: #666; line-height: 1.85; }
.qa .ans a { color: #1890ff; }

/* ============================================================
   案例页 cases.html
   ============================================================ */
.filter { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; padding: 0 4px; }
.filter a { font-size: 13px; color: #555; background: #fff; padding: 6px 14px; border-radius: 16px; text-decoration: none; box-shadow: 0 2px 8px rgba(0,0,0,0.05); transition: all 0.2s; }
.filter a:hover, .filter a.active { background: #1890ff; color: #fff; }

.case { background: #fff; border-radius: 14px; box-shadow: 0 10px 40px rgba(0,0,0,0.08); padding: 28px 32px; margin-bottom: 16px; }
.case .meta { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 8px; }
.case .cat { font-size: 12px; color: #fff; background: linear-gradient(135deg, #1890ff 0%, #096dd9 100%); padding: 4px 12px; border-radius: 14px; }
.case .date { font-size: 12px; color: #999; }
.case h2 { font-size: 20px; color: #1a1a1a; margin-bottom: 16px; line-height: 1.4; }
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 18px; }
.case-grid .blk { background: #f7fbff; border-radius: 8px; padding: 14px 16px; }
.case-grid .blk h3 { font-size: 13px; color: #096dd9; margin-bottom: 6px; font-weight: 600; display: flex; align-items: center; gap: 6px; }
.case-grid .blk h3::before { content: ""; width: 6px; height: 6px; background: #1890ff; border-radius: 50%; }
.case-grid .blk p { font-size: 13px; color: #555; line-height: 1.85; }
.case .result { background: linear-gradient(135deg, #f0f7ff 0%, #e8f3ff 100%); border-radius: 10px; padding: 16px 18px; margin-bottom: 14px; }
.case .result h3 { font-size: 14px; color: #096dd9; margin-bottom: 10px; font-weight: 600; }
.case .result .stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 0; }
.case .result .stat .num { font-size: 24px; color: #1890ff; font-weight: 700; }
.case .result .stat .lbl { font-size: 12px; color: #888; }
.case .tags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 10px; }
.case .tags span { font-size: 12px; color: #096dd9; background: #f0f7ff; padding: 4px 10px; border-radius: 14px; }
.case .foot-link { margin-top: 14px; font-size: 13px; }
.case .foot-link a { color: #1890ff; text-decoration: none; margin-right: 14px; }

/* ============================================================
   FAQ页 faq.html（左侧目录 + 右侧问答）
   ============================================================ */
.layout { display: grid; grid-template-columns: 220px 1fr; gap: 16px; align-items: start; }
.toc { background: #fff; border-radius: 14px; box-shadow: 0 10px 40px rgba(0,0,0,0.08); padding: 18px 16px; position: sticky; top: 16px; }
.toc h2 { font-size: 14px; color: #222; margin-bottom: 12px; padding-bottom: 8px; border-bottom: 2px solid #f0f7ff; }
.toc ul { list-style: none; }
.toc li { margin-bottom: 6px; }
.toc a { display: block; font-size: 13px; color: #555; text-decoration: none; padding: 8px 10px; border-radius: 6px; transition: all 0.2s; }
.toc a:hover { background: #f0f7ff; color: #1890ff; }

.cat-block { background: #fff; border-radius: 14px; box-shadow: 0 10px 40px rgba(0,0,0,0.08); padding: 24px 28px; margin-bottom: 16px; }
.cat-block h2 { font-size: 18px; color: #222; margin-bottom: 14px; padding-bottom: 10px; border-bottom: 2px solid #f0f7ff; display: flex; align-items: center; gap: 8px; }
.cat-block h2::before { content: ""; display: inline-block; width: 4px; height: 18px; background: #1890ff; border-radius: 2px; }
.cat-block h2 .count { font-size: 12px; color: #999; font-weight: 400; margin-left: 4px; }

/* ============================================================
   关于页 about.html
   ============================================================ */
/* about 页 hero 直接使用 grid（不使用 hero-inner 包裹） */
.hero.about-hero { display: grid; grid-template-columns: 1.4fr 1fr; }
.hero.about-hero .hero-left { padding: 36px 32px; }
.hero.about-hero .hero-left h1 { font-size: 26px; }

.block { background: #fff; border-radius: 14px; box-shadow: 0 10px 40px rgba(0,0,0,0.08); padding: 28px 32px; margin-bottom: 16px; }
.block h2 { font-size: 20px; color: #222; margin-bottom: 16px; padding-bottom: 10px; border-bottom: 2px solid #f0f7ff; display: flex; align-items: center; gap: 8px; }
.block h2::before { content: ""; display: inline-block; width: 4px; height: 18px; background: #1890ff; border-radius: 2px; }
.block p { font-size: 14px; color: #555; line-height: 1.95; margin-bottom: 12px; }
.block p .hl { color: #1890ff; font-weight: 600; }

.mission-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.mission-grid .m { background: #f7fbff; border-radius: 10px; padding: 18px 16px; }
.mission-grid .m h3 { font-size: 14px; color: #096dd9; margin-bottom: 6px; font-weight: 600; }
.mission-grid .m p { font-size: 13px; color: #666; line-height: 1.85; margin: 0; }

.timeline { position: relative; padding-left: 24px; }
.timeline::before { content: ""; position: absolute; left: 6px; top: 6px; bottom: 6px; width: 2px; background: linear-gradient(180deg, #1890ff 0%, #e4ecf7 100%); }
.tl-item { position: relative; padding-bottom: 18px; }
.tl-item::before { content: ""; position: absolute; left: -22px; top: 4px; width: 12px; height: 12px; border-radius: 50%; background: #1890ff; border: 3px solid #fff; box-shadow: 0 0 0 2px #1890ff; }
.tl-item .yr { font-size: 14px; color: #1890ff; font-weight: 700; margin-bottom: 4px; }
.tl-item .ev { font-size: 13px; color: #666; line-height: 1.85; }

.qual-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.qual-grid .q { display: flex; gap: 12px; align-items: flex-start; background: #f7fbff; padding: 14px 16px; border-radius: 10px; }
.qual-grid .q .ico { width: 36px; height: 36px; background: linear-gradient(135deg, #1890ff 0%, #096dd9 100%); color: #fff; border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 16px; font-weight: 700; flex-shrink: 0; }
.qual-grid .q .t h3 { font-size: 14px; color: #222; margin-bottom: 4px; font-weight: 600; }
.qual-grid .q .t p { font-size: 12px; color: #888; line-height: 1.7; margin: 0; }

.team-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.team-grid .t { background: #f7fbff; border-radius: 10px; padding: 18px 16px; text-align: center; }
.team-grid .t .ico { width: 48px; height: 48px; margin: 0 auto 10px; background: linear-gradient(135deg, #1890ff 0%, #096dd9 100%); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 20px; font-weight: 700; }
.team-grid .t h3 { font-size: 14px; color: #222; margin-bottom: 4px; font-weight: 600; }
.team-grid .t p { font-size: 12px; color: #888; line-height: 1.7; margin: 0; }

/* ============================================================
   联系页 contact.html
   ============================================================ */
.contact-layout { display: grid; grid-template-columns: 1.3fr 1fr; gap: 16px; }

.form-card { background: #fff; border-radius: 14px; box-shadow: 0 10px 40px rgba(0,0,0,0.08); padding: 28px 32px; }
.form-card h2 { font-size: 18px; color: #222; margin-bottom: 6px; }
.form-card .sub { font-size: 13px; color: #888; margin-bottom: 18px; }
.form-row { margin-bottom: 14px; }
.form-row label { display: block; font-size: 13px; color: #555; margin-bottom: 6px; font-weight: 500; }
.form-row label .req { color: #f5222d; }
.form-row input, .form-row select, .form-row textarea { width: 100%; padding: 10px 12px; border: 1px solid #ddd; border-radius: 8px; font-size: 14px; font-family: inherit; transition: border 0.2s; background: #fff; }
.form-row input:focus, .form-row select:focus, .form-row textarea:focus { outline: none; border-color: #1890ff; }
.form-row textarea { resize: vertical; min-height: 100px; }
.form-grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.btn-submit { width: 100%; background: linear-gradient(135deg, #1890ff 0%, #096dd9 100%); color: #fff; border: none; padding: 13px 0; border-radius: 8px; font-size: 15px; font-weight: 500; cursor: pointer; transition: opacity 0.2s; font-family: inherit; }
.btn-submit:hover { opacity: 0.92; }
.form-note { font-size: 12px; color: #999; margin-top: 10px; line-height: 1.8; }

.side { display: flex; flex-direction: column; gap: 16px; }
.side-card { background: #fff; border-radius: 14px; box-shadow: 0 10px 40px rgba(0,0,0,0.08); padding: 22px 24px; }
.side-card h2 { font-size: 16px; color: #222; margin-bottom: 14px; padding-bottom: 8px; border-bottom: 2px solid #f0f7ff; display: flex; align-items: center; gap: 8px; }
.side-card h2::before { content: ""; display: inline-block; width: 4px; height: 16px; background: #1890ff; border-radius: 2px; }
.online-box { background: linear-gradient(135deg, #1890ff 0%, #096dd9 100%); color: #fff; border-radius: 10px; padding: 18px; text-align: center; }
.online-box .t { font-size: 15px; font-weight: 600; margin-bottom: 6px; }
.online-box .d { font-size: 12px; opacity: 0.92; line-height: 1.8; margin-bottom: 12px; }
.online-box .btn { display: inline-block; background: #fff; color: #096dd9; padding: 10px 22px; border-radius: 8px; font-size: 14px; font-weight: 600; text-decoration: none; transition: all 0.2s; }
.online-box .btn:hover { transform: translateY(-1px); }
.info-list li { list-style: none; padding: 10px 0; border-bottom: 1px dashed #eef2f7; font-size: 13px; color: #555; display: flex; gap: 8px; align-items: flex-start; }
.info-list li:last-child { border-bottom: none; }
.info-list li .k { color: #888; min-width: 70px; }
.info-list li .v { color: #333; flex: 1; }
.info-list li .v a { color: #1890ff; text-decoration: none; }

.cta-banner { background: linear-gradient(135deg, #1890ff 0%, #096dd9 100%); color: #fff; border-radius: 14px; padding: 24px 28px; margin-bottom: 16px; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 14px; box-shadow: 0 10px 40px rgba(24,144,255,0.25); }
.cta-banner .t h2 { font-size: 18px; font-weight: 700; margin-bottom: 4px; }
.cta-banner .t p { font-size: 12px; opacity: 0.92; }
.cta-banner .btn-white { background: #fff; color: #096dd9; padding: 11px 24px; border-radius: 8px; font-weight: 600; text-decoration: none; font-size: 14px; transition: all 0.2s; }
.cta-banner .btn-white:hover { transform: translateY(-1px); }

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 900px) {
    .services { grid-template-columns: repeat(2, 1fr); }
    .grid2 { grid-template-columns: 1fr; }
    .layout { grid-template-columns: 1fr; }
    .toc { position: static; }
}
@media (max-width: 768px) {
    .hero-inner { grid-template-columns: 1fr; }
    .hero.about-hero { grid-template-columns: 1fr; }
    .hero-left .code { font-size: 72px; }
    .hero-left h1 { font-size: 20px; }
    .svc-grid { grid-template-columns: 1fr; }
    .page-head, .svc-block, .qa, .compare, .card, .cat-block, .block, .case { padding: 20px 16px; }
    .case-grid, .case .result .stats { grid-template-columns: 1fr; }
    .mission-grid, .qual-grid, .team-grid { grid-template-columns: 1fr; }
    .contact-layout { grid-template-columns: 1fr; }
    .form-card, .side-card { padding: 20px 16px; }
}
@media (max-width: 480px) {
    .topbar { flex-direction: column; align-items: flex-start; }
    .hero-left { padding: 28px 20px; }
    .hero-right { padding: 24px 20px; }
    .form-grid2 { grid-template-columns: 1fr; }
    .cta { padding: 22px 20px; }
}