/* ============================================================
   美信健康官网 - 前台样式（全擎健康风格版）
   视觉语言：橙色 #2e8c7f 主色 · 深蓝黑 #14333f · 白底直角 ·
   大图首屏 · 卡片 hover 橙底反白 · 1200px 容器
   变量沿用旧名（--blue/--teal/--grad 等），模板内联样式自动适配
   ============================================================ */
:root {
  /* 品牌色板 */
  --orange: #2e8c7f;
  --orange-d: #246f64;
  --orange-l: #edf6f3;
  --ink: #14333f;
  --ink-2: #1a3e4c;
  /* 语义替身（保持旧变量名，模板无需改动） */
  --blue: #2e8c7f;
  --teal: #2e8c7f;
  --lime: #85b268;
  --blue-d: #14333f;
  --teal-d: #246f64;
  --grad: linear-gradient(135deg, #2f86ae 0%, #2e9482 100%);
  --bg: #ffffff;
  --card: #ffffff;
  --text: #333333;
  --muted: #777777;
  --line: #e8e8e8;
  --radius: 0;
  --shadow: 0 2px 12px rgba(0, 0, 0, .06);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Helvetica Neue", "Microsoft YaHei", Arial, sans-serif;
  color: var(--text); background: var(--bg); line-height: 1.7; font-size: 15px;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* ---------- 顶栏 + 导航 ---------- */
.topbar { background: var(--ink); color: #9aa7b0; font-size: 12px; }
.topbar .container { display: flex; justify-content: space-between; padding: 8px 20px; }
.header { background: #fff; position: sticky; top: 0; z-index: 100; border-bottom: 1px solid var(--line); }
.header .container { display: flex; align-items: center; height: 72px; gap: 26px; }
.logo { display: flex; align-items: center; gap: 10px; }
.logo img { height: 52px; }
.nav { display: flex; flex: 1; height: 100%; }
.nav > .nav-item { position: relative; height: 100%; }
.nav a.nav-link {
  position: relative; display: flex; align-items: center; height: 100%;
  padding: 0 18px; font-size: 16px; color: #333; font-weight: 400;
  transition: color .2s ease;
}
.nav a.nav-link:hover { color: var(--orange); }
.nav a.nav-link.active { color: #14333f; font-weight: 500; }
.nav a.nav-link.active::after {
  content: ""; position: absolute; left: 50%; transform: translateX(-50%);
  bottom: 13px; width: 24px; height: 3px; border-radius: 10px; background: var(--orange);
}
.nav .drop {
  position: absolute; top: 100%; left: 0; min-width: 140px; background: #fff;
  border: 1px solid var(--line); border-top: 2px solid var(--orange);
  padding: 6px 0; display: none; z-index: 60;
}
.nav > .nav-item:hover .drop { display: block; }
.nav .drop a { display: block; padding: 9px 18px; font-size: 14px; color: #666; }
.nav .drop a:hover { color: var(--orange); background: var(--orange-l); }
.header-cta {
  background: var(--orange); color: #fff; padding: 10px 22px;
  font-size: 14px; white-space: nowrap; transition: background .2s ease;
}
.header-cta:hover { background: var(--orange-d); }
.menu-btn { display: none; background: none; border: none; font-size: 24px; color: var(--ink); cursor: pointer; }

/* ---------- 首屏 Banner ---------- */
.banner { position: relative; overflow: hidden; background: var(--ink); }
.slides { display: flex; transition: transform .6s ease; }
.slide { min-width: 100%; height: 560px; position: relative; display: flex; align-items: center; justify-content: center; }
.slide .bg { position: absolute; inset: 0; }
.slide .bg img { width: 100%; height: 100%; object-fit: cover; }
.slide .bg::after { content: ""; position: absolute; inset: 0; background: rgba(10, 16, 22, .42); }
.slide .bg.placeholder { background: var(--ink); }
.slide .bg.placeholder::after {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 82% 18%, rgba(46, 140, 127, .30), transparent 52%),
    radial-gradient(ellipse at 12% 88%, rgba(255, 138, 61, .16), transparent 50%),
    linear-gradient(160deg, #1a3e4c 0%, #14333f 60%, #0d2831 100%);
}
.slide .inner { position: relative; z-index: 2; color: #fff; max-width: 820px; text-align: center; padding: 0 20px; }
.slide h2 { font-size: 48px; line-height: 1.35; font-weight: 600; letter-spacing: 5px; text-shadow: 0 2px 16px rgba(0, 0, 0, .35); }
.slide p { font-size: 17px; color: rgba(255, 255, 255, .88); margin: 18px 0 34px; letter-spacing: 2px; }
.slide .btn { margin: 0 8px; }
.btn { display: inline-block; padding: 12px 36px; font-size: 15px; cursor: pointer; border: none; transition: filter .2s ease, background .2s ease, color .2s ease; }
.btn:hover { filter: brightness(.92); }
.btn-light { background: var(--orange); color: #fff; font-weight: 500; }
.btn-ghost { border: 1px solid rgba(255, 255, 255, .75); color: #fff; background: transparent; }
.btn-ghost:hover { background: rgba(255, 255, 255, .12); filter: none; }
.banner .dots { position: absolute; bottom: 44px; left: 0; right: 0; display: flex; justify-content: center; gap: 8px; z-index: 5; }
.banner .dots span { width: 16px; height: 4px; background: rgba(255, 255, 255, .4); cursor: pointer; transition: all .3s ease; }
.banner .dots span.on { width: 48px; background: #fff; }

/* ---------- 通用区块 ---------- */
.section { padding: 72px 0; }
.section.gray { background: #f7f7f7; }
.sec-head { margin-bottom: 44px; }
.sec-head .en { color: var(--orange); font-size: 13px; letter-spacing: 3px; text-transform: uppercase; }
.sec-head h2 { font-size: 32px; color: var(--ink); font-weight: 600; letter-spacing: 1px; margin-top: 6px; line-height: 1.4; }
.sec-head p { color: #999; font-size: 14px; margin-top: 10px; }
.sec-head::after { content: ""; display: block; width: 24px; height: 3px; background: var(--orange); border-radius: 10px; margin-top: 16px; }

/* ---------- 核心业务卡 ---------- */
.svc-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.svc-card {
  position: relative; overflow: hidden; background: #fff;
  padding: 32px 22px 26px; border: 1px solid var(--line);
  display: flex; flex-direction: column;
  transition: background .25s ease, border-color .25s ease;
}
.svc-card:hover { background: var(--orange); border-color: var(--orange); }
.svc-no {
  display: block; font-size: 40px; font-weight: 600; line-height: 1; letter-spacing: 1px;
  color: rgba(46, 140, 127, .22); margin-bottom: 18px; transition: color .25s ease;
}
.svc-card:hover .svc-no { color: rgba(255, 255, 255, .5); }
.svc-card h3 { font-size: 19px; font-weight: 600; color: var(--ink); line-height: 1.45; margin-bottom: 10px; transition: color .25s ease; }
.svc-sub {
  display: inline-block; align-self: flex-start; font-size: 13px; line-height: 1.5;
  color: var(--orange); margin-bottom: 14px; transition: color .25s ease;
}
.svc-card p { font-size: 13px; color: var(--muted); line-height: 1.85; min-height: 72px; flex: 1; transition: color .25s ease; }
.svc-more { margin-top: 16px; font-size: 13px; font-weight: 500; color: var(--orange); display: inline-flex; align-items: center; gap: 6px; transition: color .25s ease, gap .25s ease; }
.svc-card:hover h3, .svc-card:hover .svc-sub, .svc-card:hover p, .svc-card:hover .svc-more { color: #fff; }
.svc-card:hover .svc-more { gap: 10px; }

/* ---------- 数据亮点 ---------- */
.stats { background: var(--ink); color: #fff; padding: 56px 0; }
.stats .grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; text-align: center; }
.stats .num { font-size: 42px; font-weight: 600; color: var(--orange); line-height: 1.2; }
.stats .num em { font-style: normal; font-size: 17px; margin-left: 3px; color: var(--orange); }
.stats .lab { color: #9aa7b0; margin-top: 8px; font-size: 14px; }

/* ---------- 卡片（案例 / 新闻 / 商品） ---------- */
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card { background: #fff; border: 1px solid var(--line); overflow: hidden; display: flex; flex-direction: column; transition: border-color .25s ease; }
.card:hover { border-color: var(--orange); }
.card .cover { height: 200px; background: #f2f2f2; overflow: hidden; }
.card .cover img { width: 100%; height: 100%; object-fit: cover; }
.card .body { padding: 22px 26px 24px; flex: 1; display: flex; flex-direction: column; transition: background .25s ease; }
.card h3 { font-size: 19px; color: #333; font-weight: 400; margin-bottom: 10px; line-height: 1.5; transition: color .25s ease; }
.card p { font-size: 14px; color: #666; line-height: 1.8; flex: 1; transition: color .25s ease; }
.card .meta { display: flex; justify-content: space-between; font-size: 12px; color: #999; margin-top: 16px; align-items: center; transition: color .25s ease; }
.card:hover .body { background: var(--orange); }
.card:hover .body h3, .card:hover .body p, .card:hover .body .meta { color: #fff; }
.tag { display: inline-block; font-size: 13px; color: var(--orange); line-height: 1.5; transition: color .25s ease; }
.card:hover .tag { color: #fff; }
.tag.blue { color: var(--ink); }
.card:hover .tag.blue { color: #fff; }

/* ---------- 筛选条 ---------- */
.filter-bar { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 34px; }
.filter-bar a { padding: 8px 24px; background: #fff; border: 1px solid var(--line); font-size: 14px; color: #666; transition: all .2s ease; }
.filter-bar a.on, .filter-bar a:hover { background: var(--orange); color: #fff; border-color: var(--orange); }

/* ---------- 前后对比 / 表格 ---------- */
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin: 24px 0; }
.compare .box { background: #fff; padding: 22px; border: 1px solid var(--line); }
.compare h4 { font-size: 15px; margin-bottom: 12px; color: #999; }
.compare.after h4 { color: var(--orange); }
.compare .box img { width: 100%; }
.hl-list li { list-style: none; padding: 9px 0 9px 24px; position: relative; border-bottom: 1px solid #f0f0f0; font-size: 14px; color: #555; }
.hl-list li::before { content: ""; position: absolute; left: 0; top: 16px; width: 12px; height: 3px; background: var(--orange); }
table.metric { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--line); }
table.metric th, table.metric td { padding: 12px 14px; text-align: center; border-bottom: 1px solid var(--line); font-size: 14px; }
table.metric thead th { background: var(--ink); color: #fff; font-weight: 500; letter-spacing: 1px; }
table.metric td.before { color: #999; }
table.metric td.after { color: var(--orange); font-weight: 600; }
table.metric tr:last-child td { border-bottom: none; }

/* ---------- 文章排版 ---------- */
.prose { background: #fff; padding: 40px 46px; border: 1px solid var(--line); line-height: 1.9; }
.prose h1 { font-size: 26px; margin-bottom: 12px; color: var(--ink); font-weight: 600; line-height: 1.5; }
.prose h3 { font-size: 19px; margin: 26px 0 12px; color: var(--ink); font-weight: 600; }
.prose p { margin-bottom: 14px; color: #444; }
.prose ul { margin: 0 0 16px 22px; }
.prose ul li { margin-bottom: 6px; color: #444; }
.prose .art-meta { color: #999; font-size: 13px; margin-bottom: 22px; display: flex; gap: 18px; flex-wrap: wrap; align-items: center; }
.prose h4 { font-size: 16px; margin: 22px 0 10px; color: var(--ink); padding-left: 12px; border-left: 3px solid var(--orange); line-height: 1.4; }
.prose .case-hero { width: 100%; margin-bottom: 20px; display: block; object-fit: cover; max-height: 420px; }
.prose .case-note { margin-top: 26px; padding: 12px 16px; background: var(--orange-l); border-left: 3px solid var(--orange); color: #1f5f54; font-size: 13px; }
.detail-layout { display: grid; grid-template-columns: 1fr 300px; gap: 26px; align-items: start; }
.side-card { background: #fff; border: 1px solid var(--line); padding: 22px 24px; margin-bottom: 20px; }
.side-card h4 { font-size: 15px; color: var(--ink); border-left: 3px solid var(--orange); padding-left: 10px; margin-bottom: 14px; font-weight: 600; }
.side-card li { list-style: none; padding: 8px 0; border-bottom: 1px solid #f0f0f0; font-size: 13px; color: #555; }
.side-card li:last-child { border-bottom: none; }
.side-card li a:hover { color: var(--orange); }

/* ---------- 产品页 ---------- */
.prod-band { background: #fff; border: 1px solid var(--line); display: grid; grid-template-columns: 380px 1fr; overflow: hidden; margin-bottom: 28px; }
.prod-band .pic { background: #f7f7f7; overflow: hidden; }
.prod-band .pic img { width: 100%; height: 100%; min-height: 300px; object-fit: cover; display: block; transition: transform .5s ease; }
.prod-band:hover .pic img { transform: scale(1.04); }
.prod-band .txt { padding: 32px 38px; }
.prod-band h3 { font-size: 22px; color: var(--ink); font-weight: 600; }
.prod-band .tagline { color: var(--orange); font-size: 14px; margin: 6px 0 14px; letter-spacing: 1px; }
.feat-chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0; }
.feat-chips span { background: var(--orange-l); color: var(--orange-d); font-size: 13px; padding: 5px 14px; }
.goods-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }

/* ---------- 关于页 ---------- */
.about-hero {
  position: relative; overflow: hidden; height: 220px;
  background: linear-gradient(120deg, #1a3e4c 0%, #14333f 55%, #0d2831 100%);
  color: #fff; display: flex; align-items: center;
}
.about-hero::after {
  content: ""; position: absolute; right: -60px; top: -80px; width: 320px; height: 320px;
  border-radius: 50%; border: 1px solid rgba(46, 140, 127, .35); pointer-events: none;
}
.about-hero::before {
  content: ""; position: absolute; right: 40px; bottom: -120px; width: 260px; height: 260px;
  border-radius: 50%; border: 1px solid rgba(255, 255, 255, .10); pointer-events: none;
}
.about-hero h1 { font-size: 38px; font-weight: 600; letter-spacing: 3px; }
.about-hero p { color: #9aa7b0; margin-top: 8px; letter-spacing: 1px; }
.crumbs { font-size: 13px; color: #9aa7b0; margin-top: 12px; }
.crumbs a { color: #c9d3d9; }
.crumbs a:hover { color: var(--orange); }
.timeline { position: relative; padding-left: 30px; }
.timeline::before { content: ""; position: absolute; left: 8px; top: 6px; bottom: 6px; width: 2px; background: rgba(46, 140, 127, .35); }
.tl-item { position: relative; background: #fff; border: 1px solid var(--line); padding: 22px 26px; margin-bottom: 20px; }
.tl-item::before { content: ""; position: absolute; left: -27px; top: 28px; width: 12px; height: 12px; background: var(--orange); border: 3px solid #fff; box-shadow: 0 0 0 2px var(--orange); border-radius: 50%; }
.tl-item .year { font-size: 19px; font-weight: 600; color: var(--orange); }
.tl-item h4 { font-size: 16px; margin: 4px 0 6px; color: var(--ink); }
.tl-item p { font-size: 14px; color: var(--muted); }
.partner-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.partner-card { background: #fff; border: 1px solid var(--line); padding: 26px; transition: border-color .2s ease; }
.partner-card:hover { border-color: var(--orange); }
.partner-card .region { font-size: 12px; color: var(--orange); background: var(--orange-l); display: inline-block; padding: 2px 12px; margin-bottom: 12px; }
.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.team-card { background: #fff; border: 1px solid var(--line); overflow: hidden; text-align: center; padding-bottom: 22px; }
.team-card img { width: 100%; height: 210px; object-fit: cover; background: #f2f2f2; }
.team-card h3 { font-size: 17px; margin: 16px 0 2px; color: var(--ink); }
.team-card .tt { color: var(--orange); font-size: 13px; margin-bottom: 8px; }
.team-card p { font-size: 13px; color: var(--muted); padding: 0 18px; }

/* ---------- 联系页 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 380px; gap: 26px; align-items: start; }
.info-item { display: flex; gap: 14px; background: #fff; border: 1px solid var(--line); padding: 18px 22px; margin-bottom: 16px; }
.info-item .ico { width: 44px; height: 44px; background: var(--orange-l); color: var(--orange); display: flex; align-items: center; justify-content: center; font-size: 20px; flex-shrink: 0; }
.info-item h4 { font-size: 15px; color: var(--ink); }
.info-item p { font-size: 14px; color: var(--muted); }
.qr-box { display: flex; gap: 22px; justify-content: center; padding: 18px 0 6px; }
.qr-item { text-align: center; }
.qr-item img { width: 124px; height: 124px; border: 1px solid var(--line); border-radius: 10px; background: #fff; padding: 4px; }
.qr-item p { font-size: 12px; color: var(--muted); margin-top: 10px; line-height: 1.7; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field { margin-bottom: 14px; }
.field label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; }
.field input, .field textarea {
  width: 100%; padding: 11px 14px; border: 1px solid #ddd; font-size: 14px;
  font-family: inherit; background: #fff; transition: border-color .2s ease;
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--orange); }
.btn-primary { background: var(--grad); color: #fff; font-weight: 500; width: 100%; padding: 13px; }
.notice-ok { background: #f0f9f1; color: #2e7d32; border: 1px solid #cde8cf; padding: 12px 16px; margin-bottom: 16px; font-size: 14px; }
.notice-err { background: var(--orange-l); color: #1d6a5d; border: 1px solid #bfe0d8; padding: 12px 16px; margin-bottom: 16px; font-size: 14px; }

/* ---------- 页脚 ---------- */
.footer { background: var(--ink); color: #9aa7b0; margin-top: 56px; }
.footer .cols { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 30px; padding: 54px 0 40px; }
.footer h4 { color: #fff; font-size: 15px; font-weight: 500; margin-bottom: 6px; }
.footer h4::after { content: ""; display: block; width: 24px; height: 3px; background: var(--orange); border-radius: 10px; margin-top: 8px; }
.footer .cols > div > p { font-size: 13px; line-height: 1.9; margin-top: 14px; }
.footer a, .footer li { list-style: none; font-size: 13px; padding: 4px 0; display: block; }
.footer a:hover { color: var(--orange); }
.footer .qr { display: flex; gap: 14px; margin-top: 16px; }
.footer .qr img { width: 92px; height: 92px; background: #fff; border-radius: 10px; padding: 4px; }
.footer .bt { border-top: 1px solid rgba(255, 255, 255, .08); padding: 18px 0; font-size: 12px; text-align: center; color: #7d8b95; }
.footer .bt a { display: inline; }
.footer .bt a:hover { color: #fff; }

/* ---------- 团队页 ---------- */
.team-hero { position: relative; height: 360px; overflow: hidden; background: var(--ink); }
.team-hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.team-hero::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10, 16, 22, .50) 0%, rgba(10, 16, 22, .58) 100%);
}
.team-hero-inner { position: relative; z-index: 2; height: 100%; display: flex; flex-direction: column; justify-content: center; align-items: center; text-align: center; color: #fff; }
.team-hero-inner h1 { font-size: 44px; font-weight: 600; letter-spacing: 5px; text-shadow: 0 2px 14px rgba(0, 0, 0, .4); }
.team-hero-inner p { font-size: 16px; color: rgba(255, 255, 255, .85); margin-top: 12px; letter-spacing: 2px; }
.team-hero .crumbs { color: rgba(255, 255, 255, .7); }
.team-hero .crumbs a { color: rgba(255, 255, 255, .9); }
.team-hero .crumbs a:hover { color: var(--orange); }

.team-layout { display: grid; grid-template-columns: 5fr 7fr; gap: 40px; align-items: start; }
.team-media { margin: 0; position: sticky; top: 96px; }
.team-media img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; border: 1px solid var(--line); display: block; }
.team-media figcaption { margin-top: 12px; font-size: 12.5px; color: var(--muted); text-align: center; line-height: 1.6; }
.team-intro p { margin-bottom: 16px; font-size: 15px; line-height: 1.9; }
.team-intro strong { color: var(--orange-d); }

/* 梯队：中心视觉 + 四象限 */
.quad-wrap { display: grid; grid-template-columns: 1fr 250px 1fr; grid-template-rows: auto auto; gap: 34px 46px; align-items: start; }
.quad-center { grid-column: 2; grid-row: 1 / 3; align-self: center; justify-self: center; display: flex; flex-direction: column; align-items: center; text-align: center; }
.quad-orb {
  position: relative; width: 150px; height: 150px; border-radius: 50%; background: var(--grad);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 14px 34px rgba(46, 140, 127, .30);
}
.quad-orb::before {
  content: ""; position: absolute; inset: -14px; border-radius: 50%;
  border: 2px dashed rgba(46, 140, 127, .40); animation: quad-spin 24s linear infinite;
}
@keyframes quad-spin { to { transform: rotate(360deg); } }
.quad-orb .ic { width: 62px; height: 62px; fill: none; stroke: #fff; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.quad-center strong { margin-top: 18px; font-size: 21px; color: var(--ink); letter-spacing: 2px; }
.quad-sub { font-size: 13px; color: var(--orange); letter-spacing: 5px; margin-top: 3px; }
.quad-cell { background: #fff; border: 1px solid var(--line); padding: 24px 26px; transition: border-color .2s ease; }
.quad-cell:hover { border-color: var(--orange); }
.quad-cell:nth-child(2) { grid-column: 1; grid-row: 1; }
.quad-cell:nth-child(3) { grid-column: 3; grid-row: 1; }
.quad-cell:nth-child(4) { grid-column: 1; grid-row: 2; }
.quad-cell:nth-child(5) { grid-column: 3; grid-row: 2; }
.quad-kick { display: inline-block; font-size: 12px; line-height: 1.4; letter-spacing: .5px; color: var(--orange-d); background: var(--orange-l); padding: 4px 13px; margin-bottom: 12px; }
.quad-cell h3 {
  font-size: 19px; font-weight: 600; color: var(--ink); line-height: 1.4;
  padding-bottom: 13px; margin-bottom: 15px;
  background-image: radial-gradient(circle, rgba(46, 140, 127, .55) 1.1px, transparent 1.1px);
  background-size: 7px 4px; background-repeat: repeat-x; background-position: left bottom;
}
.quad-list { list-style: none; margin: 0; padding: 0; }
.quad-list li { position: relative; padding: 6px 0 6px 22px; font-size: 13.8px; color: #4a4a4a; line-height: 1.65; }
.quad-list li::before {
  content: ""; position: absolute; left: 2px; top: 12.5px; width: 8px; height: 8px;
  border: 1.5px solid var(--orange); border-radius: 50%; background: transparent;
}

/* 五步机制 */
.flow { position: relative; display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }
.flow-track {
  position: absolute; left: 10%; right: 10%; top: 41px; height: 2px; z-index: 0;
  background: linear-gradient(90deg, rgba(46, 140, 127, .14), rgba(46, 140, 127, .34), rgba(46, 140, 127, .14));
}
.flow-item { position: relative; text-align: center; }
.flow-seg {
  position: absolute; left: 50%; top: 41px; width: 100%; height: 2px;
  background: linear-gradient(90deg, #2f86ae, #2e9482); opacity: 0; z-index: 0;
  transition: opacity .2s ease; pointer-events: none;
}
.flow-item:last-child .flow-seg { display: none; }
.flow-item:hover .flow-seg { opacity: .95; }
.flow-dot {
  position: relative; z-index: 2; width: 84px; height: 84px; margin: 0 auto; border-radius: 50%;
  background: #fff; border: 2px solid rgba(46, 140, 127, .38); display: flex; align-items: center; justify-content: center;
  transition: background .2s ease, border-color .2s ease, transform .2s ease;
}
.flow-dot .ic { width: 34px; height: 34px; fill: none; stroke: var(--orange); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; transition: stroke .2s ease; }
.flow-item:hover .flow-dot { background: var(--grad); border-color: transparent; transform: translateY(-4px); }
.flow-item:hover .flow-dot .ic { stroke: #fff; }
.flow-body { margin-top: 16px; }
.flow-no { display: inline-block; font-size: 11px; font-weight: 600; letter-spacing: 1.4px; line-height: 1; color: var(--orange-d); background: var(--orange-l); padding: 4px 11px; }
.flow-item h4 { font-size: 17px; font-weight: 600; color: var(--ink); margin: 10px 0 7px; }
.flow-item p { font-size: 13px; color: var(--muted); line-height: 1.7; padding: 0 4px; }

/* 专业保障 */
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.why-card { position: relative; background: #fff; border: 1px solid var(--line); padding: 28px 26px; overflow: hidden; transition: border-color .25s ease; }
.why-card::before { content: ''; position: absolute; left: 0; top: 0; right: 0; height: 3px; background: var(--grad); transform: scaleX(0); transform-origin: left; transition: transform .3s ease; }
.why-card:hover { border-color: var(--orange); }
.why-card:hover::before { transform: scaleX(1); }
.ic-box { width: 44px; height: 44px; display: inline-flex; align-items: center; justify-content: center; background: var(--orange-l); margin-bottom: 14px; }
.ic-box .ic { width: 22px; height: 22px; fill: none; stroke: var(--orange); stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.why-card h4 { font-size: 16.5px; margin-bottom: 8px; color: var(--ink); }
.why-card p { font-size: 13.5px; color: var(--muted); line-height: 1.75; }

/* ---------- 404 ---------- */
.section .btn[style] { border: none; }

/* ---------- 响应式 ---------- */
@media (max-width: 1180px) {
  .svc-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 960px) {
  .svc-grid, .card-grid, .partner-grid { grid-template-columns: repeat(2, 1fr); }
  .team-grid, .goods-grid { grid-template-columns: repeat(2, 1fr); }
  .stats .grid { grid-template-columns: repeat(2, 1fr); }
  .detail-layout, .contact-grid { grid-template-columns: 1fr; }
  .prod-band { grid-template-columns: 1fr; }
  .prod-band .pic img { height: 230px; min-height: 0; }
  .footer .cols { grid-template-columns: repeat(2, 1fr); }
  .slide { height: 420px; }
  .slide h2 { font-size: 32px; letter-spacing: 3px; }
  .sec-head h2 { font-size: 27px; }
  .section { padding: 52px 0; }
}
@media (max-width: 680px) {
  .menu-btn { display: block; }
  .topbar { display: none; }
  .header .container { gap: 12px; justify-content: space-between; height: 62px; }
  .header-cta { display: none; }
  .nav {
    position: absolute; top: 62px; left: 0; right: 0; background: #fff;
    flex-direction: column; padding: 8px 16px 16px; box-shadow: 0 12px 24px rgba(0, 0, 0, .12);
    display: none; z-index: 99; height: auto; border-top: 1px solid var(--line);
  }
  .nav.open { display: flex; }
  .nav > .nav-item { height: auto; }
  .nav a.nav-link { padding: 12px 4px; height: auto; border-bottom: 1px solid #f2f2f2; }
  .nav a.nav-link.active::after { bottom: 4px; left: 4px; transform: none; }
  .nav .drop { position: static; box-shadow: none; padding-left: 16px; display: block; background: #fafafa; border: none; }
  .slide { height: 340px; }
  .slide h2 { font-size: 25px; letter-spacing: 2px; }
  .slide p { font-size: 14px; margin: 12px 0 22px; }
  .slide .btn { padding: 10px 22px; font-size: 13px; margin: 0 4px; }
  .banner .dots { bottom: 20px; }
  .svc-grid, .card-grid, .team-grid, .goods-grid, .partner-grid { grid-template-columns: 1fr; }
  .compare { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .prose { padding: 24px 18px; }
  .stats .grid { grid-template-columns: repeat(2, 1fr); }
  .stats .num { font-size: 30px; }
  .section { padding: 42px 0; }
  .sec-head h2 { font-size: 23px; }
  .about-hero { height: 170px; }
  .about-hero h1 { font-size: 28px; }
}

/* ---------- 团队页响应式 ---------- */
@media (max-width: 1000px) {
  .team-layout { gap: 28px; }
  .quad-wrap { grid-template-columns: 1fr 1fr; gap: 22px; }
  .quad-center { grid-column: 1 / 3; grid-row: auto; margin-bottom: 6px; }
  .quad-cell:nth-child(2) { grid-column: 1; grid-row: auto; }
  .quad-cell:nth-child(3) { grid-column: 2; grid-row: auto; }
  .quad-cell:nth-child(4) { grid-column: 1; grid-row: auto; }
  .quad-cell:nth-child(5) { grid-column: 2; grid-row: auto; }
  .flow { grid-template-columns: repeat(3, 1fr); gap: 30px 18px; }
  .flow-track, .flow-seg { display: none; }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .team-hero { height: 250px; }
  .team-hero-inner h1 { font-size: 28px; letter-spacing: 3px; }
  .team-layout { grid-template-columns: 1fr; }
  .team-media { position: static; }
  .quad-wrap { grid-template-columns: 1fr; }
  .quad-center { grid-column: 1; }
  .quad-cell:nth-child(2), .quad-cell:nth-child(3), .quad-cell:nth-child(4), .quad-cell:nth-child(5) { grid-column: 1; }
  .flow { grid-template-columns: 1fr; gap: 26px; }
  .flow-track {
    display: block; left: 41px; right: auto; top: 10px; bottom: 10px; width: 2px; height: auto;
    background: linear-gradient(180deg, rgba(46, 140, 127, .14), rgba(46, 140, 127, .34), rgba(46, 140, 127, .14));
  }
  .flow-seg { display: none; }
  .flow-item { display: flex; gap: 20px; align-items: flex-start; text-align: left; }
  .flow-dot { margin: 0; flex: 0 0 84px; }
  .flow-body { margin-top: 4px; }
  .flow-item h4 { margin-top: 8px; }
  .flow-item p { padding: 0; }
  .why-grid { grid-template-columns: 1fr; }
}