/* =========================================================
   云龙青苗体育 · 企业官网  —  设计系统
   主视觉：深蓝 (#0A2540)  +  青蓝强调 (#16BFC4 / #2DD4BF)
   风格：简约 · 大气 · 专业
   ========================================================= */
:root {
  --navy: #0A2540;
  --navy-2: #0d2e4f;
  --navy-deep: #06182b;
  --cyan: #16BFC4;
  --teal: #2DD4BF;
  --sky: #38BDF8;
  --ink: #15212e;
  --muted: #5b6b7f;
  --line: #e6ecf2;
  --bg: #ffffff;
  --bg-soft: #f4f8fb;
  --bg-dark: #0A2540;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 10px 30px rgba(10, 37, 64, 0.08);
  --shadow-lg: 0 24px 60px rgba(10, 37, 64, 0.16);
  --maxw: 1200px;
  --font: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Source Han Sans SC", system-ui, -apple-system, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.section { padding: 96px 0; }
.section-soft { background: var(--bg-soft); }
.section-dark { background: var(--navy); color: #eaf2f8; }

/* ---------- 标题 ---------- */
.eyebrow {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 3px;
  color: var(--cyan);
  font-weight: 700;
  margin-bottom: 14px;
  text-transform: uppercase;
}
.section-title {
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 16px;
  letter-spacing: 1px;
}
.section-sub { color: var(--muted); max-width: 640px; font-size: 16px; }
.section-head { margin-bottom: 48px; }
.section-dark .section-sub { color: #aac4d6; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 26px; border-radius: 999px; font-weight: 600;
  font-size: 15px; border: none; transition: .25s; white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(120deg, var(--cyan), var(--teal));
  color: #04222a; box-shadow: 0 10px 24px rgba(22, 191, 196, .35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 32px rgba(22,191,196,.45); }
.btn-ghost { background: rgba(255,255,255,.08); color: #fff; border: 1px solid rgba(255,255,255,.25); }
.btn-ghost:hover { background: rgba(255,255,255,.16); }
.btn-outline { background: transparent; color: var(--navy); border: 1.5px solid var(--navy); }
.btn-outline:hover { background: var(--navy); color: #fff; }
.btn-light { background: #fff; color: var(--navy); }
.btn-light:hover { transform: translateY(-2px); box-shadow: var(--shadow); }

/* ---------- 导航栏 ---------- */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 32px; transition: .3s;
  background: transparent;
}
.navbar.scrolled {
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 20px rgba(10,37,64,.08);
  padding: 12px 32px;
}
.brand { display: flex; align-items: center; gap: 12px; color: #fff; }
.navbar.scrolled .brand { color: var(--navy); }
.brand img { height: 42px; width: 42px; border-radius: 10px; background: #fff; object-fit: contain; }
.brand .name { font-weight: 800; font-size: 19px; letter-spacing: .5px; }
.brand .name small { display: block; font-size: 11px; font-weight: 600; letter-spacing: 2px; opacity: .8; }
.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links a { color: #eaf2f8; font-weight: 500; font-size: 15px; position: relative; transition: .2s; }
.navbar.scrolled .nav-links a { color: var(--ink); }
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: -6px; height: 2px; width: 0; background: var(--cyan); transition: .25s;
}
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-actions { display: flex; align-items: center; gap: 14px; }
.nav-toggle { display: none; background: none; border: none; color: #fff; font-size: 26px; }

/* 用户菜单 */
.user-menu { position: relative; }
.user-btn {
  display: flex; align-items: center; gap: 8px; background: rgba(255,255,255,.12);
  color: #fff; border: 1px solid rgba(255,255,255,.25); padding: 8px 14px; border-radius: 999px; font-weight: 600;
}
.navbar.scrolled .user-btn { background: var(--navy); color: #fff; border-color: var(--navy); }
.user-avatar { width: 26px; height: 26px; border-radius: 50%; background: linear-gradient(135deg,var(--cyan),var(--sky)); display: grid; place-items: center; font-size: 13px; color: #042; font-weight: 700; }
.dropdown {
  position: absolute; right: 0; top: 52px; background: #fff; color: var(--ink);
  border-radius: 12px; box-shadow: var(--shadow-lg); padding: 10px; min-width: 180px; display: none; overflow: hidden;
}
.dropdown.open { display: block; }
.dropdown a, .dropdown button { display: block; width: 100%; text-align: left; padding: 10px 14px; border-radius: 8px; font-size: 14px; background: none; border: none; color: var(--ink); }
.dropdown a:hover, .dropdown button:hover { background: var(--bg-soft); }

/* ---------- 演示提示条 ---------- */
.demo-banner {
  background: linear-gradient(90deg, #0A2540, #143a5c); color: #cfe8f0;
  font-size: 13.5px; text-align: center; padding: 9px 16px; position: relative;
}
.demo-banner b { color: var(--teal); }
.demo-banner .close { position: absolute; right: 14px; top: 50%; transform: translateY(-50%); background: none; border: none; color: #9fc0d2; font-size: 18px; }

/* ---------- HERO ---------- */
.hero {
  position: relative; min-height: 100vh; display: flex; align-items: center;
  color: #fff; overflow: hidden;
  background: linear-gradient(120deg, var(--navy-deep), var(--navy) 55%, #103a5e);
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background: url("../../assets/img/p01.jpg") center/cover no-repeat;
  opacity: .28; transform: scale(1.05);
}
.hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(6,24,43,.92), rgba(10,37,64,.55) 60%, rgba(10,37,64,.35)); }
.hero .container { position: relative; z-index: 2; }
.hero h1 { font-size: clamp(34px, 6vw, 64px); font-weight: 800; line-height: 1.15; letter-spacing: 1px; margin-bottom: 20px; }
.hero h1 .accent { background: linear-gradient(120deg, var(--cyan), var(--teal)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.lead { font-size: clamp(16px, 2.2vw, 21px); max-width: 620px; color: #d6e6f0; margin-bottom: 34px; }
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-badges { display: flex; gap: 28px; margin-top: 56px; flex-wrap: wrap; }
.hero-badges .b { display: flex; flex-direction: column; }
.hero-badges .b b { font-size: 30px; font-weight: 800; color: #fff; }
.hero-badges .b span { font-size: 13px; color: #9fc0d2; letter-spacing: 1px; }
.scroll-hint { position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%); color: #9fc0d2; font-size: 13px; z-index: 2; animation: bob 2s infinite; }
@keyframes bob { 0%,100%{transform:translate(-50%,0)} 50%{transform:translate(-50%,8px)} }

/* 页面通用头部 */
.page-hero {
  position: relative; padding: 160px 0 90px; color: #fff; text-align: center; overflow: hidden;
  background: linear-gradient(120deg, var(--navy-deep), var(--navy) 60%, #103a5e);
}
.page-hero::before { content:""; position:absolute; inset:0; background:url("../../assets/img/p02.jpg") center/cover; opacity:.22; }
.page-hero::after { content:""; position:absolute; inset:0; background:linear-gradient(180deg, rgba(6,24,43,.8), rgba(10,37,64,.92)); }
.page-hero .container { position: relative; z-index: 2; }
.page-hero h1 { font-size: clamp(30px,5vw,52px); font-weight: 800; margin-bottom: 14px; letter-spacing: 1px; }
.page-hero p { color: #cfe2ee; max-width: 640px; margin: 0 auto; font-size: 17px; }

/* ---------- 数据条 ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat { text-align: center; padding: 20px; }
.stat b { display: block; font-size: 44px; font-weight: 800; background: linear-gradient(120deg,var(--cyan),var(--sky)); -webkit-background-clip:text; background-clip:text; color: transparent; }
.stat span { color: var(--muted); font-size: 15px; }
.section-dark .stat span { color: #aac4d6; }

/* ---------- 服务卡片 ---------- */
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 32px 28px; transition: .3s; box-shadow: var(--shadow);
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(22,191,196,.4); }
.card .ic {
  width: 56px; height: 56px; border-radius: 14px; display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(22,191,196,.15), rgba(56,189,248,.15)); margin-bottom: 18px;
  font-size: 26px;
}
.card h3 { font-size: 20px; margin-bottom: 10px; font-weight: 700; }
.card p { color: var(--muted); font-size: 15px; }
.card .tags { margin-top: 16px; display: flex; flex-wrap: wrap; gap: 8px; }
.tag { font-size: 12px; padding: 4px 12px; border-radius: 999px; background: var(--bg-soft); color: var(--navy); font-weight: 600; }

/* ---------- 康复智行 产品 banner ---------- */
.product {
  background: radial-gradient(120% 120% at 80% 0%, #123a5c 0%, var(--navy) 55%);
  color: #eaf2f8; border-radius: 28px; padding: 56px; position: relative; overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.product::after { content:""; position:absolute; right:-80px; top:-80px; width:320px; height:320px; border-radius:50%; background: radial-gradient(circle, rgba(22,191,196,.35), transparent 70%); }
.product .badge { display:inline-block; padding:6px 16px; border-radius:999px; background:rgba(22,191,196,.18); color:var(--teal); font-weight:700; font-size:13px; letter-spacing:1px; margin-bottom:18px; }
.product h2 { font-size: clamp(26px,3.5vw,38px); font-weight: 800; margin-bottom: 14px; }
.product p { color: #bcd4e2; max-width: 560px; margin-bottom: 26px; }
.product .flow { display:flex; flex-wrap:wrap; gap:10px; align-items:center; margin-bottom: 8px; }
.product .flow .step { padding:10px 18px; border-radius:999px; background:rgba(255,255,255,.08); border:1px solid rgba(255,255,255,.15); font-weight:600; font-size:14px; }
.product .flow .arrow { color: var(--teal); font-weight: 700; }
.product .note { margin-top: 22px; font-size: 13px; color: #8fb0c4; }

/* ---------- 模块网格 (康复智行 四大功能) ---------- */
.module { background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:30px; transition:.3s; box-shadow:var(--shadow); }
.module:hover { transform:translateY(-6px); box-shadow:var(--shadow-lg); }
.module .num { font-size: 14px; font-weight:800; color: var(--cyan); letter-spacing:2px; }
.module h3 { font-size:19px; margin:10px 0 10px; font-weight:700; }
.module p { color:var(--muted); font-size:14.5px; }

/* ---------- 画廊 ---------- */
.gallery { columns: 4; column-gap: 14px; }
.gallery figure { margin: 0 0 14px; border-radius: 14px; overflow: hidden; break-inside: avoid; position: relative; box-shadow: var(--shadow); }
.gallery img { width: 100%; transition: .4s; }
.gallery figure:hover img { transform: scale(1.06); }
.gallery figcaption { position:absolute; left:0; right:0; bottom:0; padding:14px; color:#fff; font-size:13px; font-weight:600; background:linear-gradient(0deg, rgba(6,24,43,.8), transparent); opacity:0; transition:.3s; }
.gallery figure:hover figcaption { opacity:1; }

.video-wrap { display:grid; grid-template-columns: repeat(3,1fr); gap:18px; margin-top: 30px; }
.video-wrap video { width:100%; border-radius:14px; box-shadow:var(--shadow); background:#000; }

/* ---------- 价值 / 为什么选择我们 ---------- */
.value { text-align:center; padding: 28px 22px; }
.value .ic { width:64px; height:64px; margin:0 auto 16px; border-radius:18px; display:grid; place-items:center; font-size:30px; background:linear-gradient(135deg,var(--cyan),var(--sky)); color:#042; }
.value h3 { font-size:19px; margin-bottom:8px; }
.value p { color:var(--muted); font-size:14.5px; }

/* ---------- 关于我们 时间线 ---------- */
.timeline { position: relative; padding-left: 28px; }
.timeline::before { content:""; position:absolute; left:7px; top:6px; bottom:6px; width:2px; background:linear-gradient(var(--cyan),var(--sky)); }
.tl-item { position: relative; padding-bottom: 34px; }
.tl-item::before { content:""; position:absolute; left:-27px; top:6px; width:16px; height:16px; border-radius:50%; background:var(--cyan); box-shadow:0 0 0 4px rgba(22,191,196,.2); }
.tl-item h4 { font-size:17px; margin-bottom:6px; }
.tl-item p { color:var(--muted); font-size:14.5px; }
.about-grid { display:grid; grid-template-columns: 1.1fr .9fr; gap:48px; align-items:center; }
.about-grid img { border-radius: var(--radius); box-shadow: var(--shadow-lg); width:100%; }

/* ---------- 产品服务 详情 ---------- */
.svc-detail { display:grid; grid-template-columns: repeat(2,1fr); gap: 24px; }
.svc-detail .item { display:flex; gap:18px; padding:26px; border:1px solid var(--line); border-radius:var(--radius); background:#fff; box-shadow:var(--shadow); transition:.3s; }
.svc-detail .item:hover { transform:translateY(-4px); box-shadow:var(--shadow-lg); }
.svc-detail .item .ic { flex:0 0 52px; height:52px; border-radius:14px; display:grid; place-items:center; background:linear-gradient(135deg, rgba(22,191,196,.15), rgba(56,189,248,.15)); font-size:24px; }
.svc-detail .item h3 { font-size:18px; margin-bottom:6px; }
.svc-detail .item p { color:var(--muted); font-size:14.5px; }

/* ---------- 联系我们 ---------- */
.contact-grid { display:grid; grid-template-columns: .9fr 1.1fr; gap: 48px; }
.contact-info .item { display:flex; gap:16px; margin-bottom:22px; }
.contact-info .ic { flex:0 0 46px; height:46px; border-radius:12px; display:grid; place-items:center; background:linear-gradient(135deg,var(--cyan),var(--sky)); color:#042; font-size:20px; }
.contact-info h4 { font-size:15px; color:var(--muted); font-weight:600; }
.contact-info p { font-size:17px; font-weight:600; }
.license-box { margin-top: 26px; }
.license-box img { border-radius:12px; border:1px solid var(--line); box-shadow:var(--shadow); max-width:260px; }

/* ---------- 表单 ---------- */
.form { background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:34px; box-shadow:var(--shadow); }
.form .field { margin-bottom:18px; }
.form label { display:block; font-size:14px; font-weight:600; margin-bottom:7px; color:var(--ink); }
.form input, .form select, .form textarea {
  width:100%; padding:13px 15px; border:1.5px solid var(--line); border-radius:var(--radius-sm);
  font-size:15px; font-family:inherit; background:#fbfdff; transition:.2s; color:var(--ink);
}
.form input:focus, .form select:focus, .form textarea:focus { outline:none; border-color:var(--cyan); background:#fff; box-shadow:0 0 0 4px rgba(22,191,196,.12); }
.form textarea { resize: vertical; min-height: 110px; }
.form .row { display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.form .hint { font-size:12.5px; color:var(--muted); margin-top:6px; }
.form .msg { padding:12px 14px; border-radius:10px; font-size:14px; margin-bottom:16px; display:none; }
.form .msg.ok { display:block; background:rgba(45,212,191,.14); color:#0a6b5e; border:1px solid rgba(45,212,191,.4); }
.form .msg.err { display:block; background:rgba(239,68,68,.1); color:#b42318; border:1px solid rgba(239,68,68,.3); }

/* ---------- 页脚 ---------- */
.footer { background: var(--navy-deep); color: #b9cee0; padding: 64px 0 28px; }
.footer-grid { display:grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 36px; margin-bottom: 40px; }
.footer .brand { color:#fff; margin-bottom:16px; }
.footer h4 { color:#fff; font-size:15px; margin-bottom:16px; letter-spacing:1px; }
.footer a { display:block; color:#9fbdd2; margin-bottom:10px; font-size:14px; transition:.2s; }
.footer a:hover { color:var(--teal); }
.footer .about-text { font-size:14px; line-height:1.8; max-width:300px; }
.footer-bottom { border-top:1px solid rgba(255,255,255,.1); padding-top:22px; text-align:center; font-size:13px; color:#7e9bb0; }

/* ---------- 登录弹窗 ---------- */
.modal-mask { position:fixed; inset:0; background:rgba(6,24,43,.6); backdrop-filter:blur(4px); z-index:200; display:none; align-items:center; justify-content:center; padding:20px; }
.modal-mask.open { display:flex; }
.modal { background:#fff; border-radius:20px; width:100%; max-width:420px; padding:38px 34px; box-shadow:var(--shadow-lg); position:relative; animation: pop .25s; }
@keyframes pop { from{transform:scale(.95);opacity:0} to{transform:scale(1);opacity:1} }
.modal .close { position:absolute; right:18px; top:16px; background:none; border:none; font-size:24px; color:var(--muted); }
.modal h2 { font-size:24px; font-weight:800; margin-bottom:6px; }
.modal .sub { color:var(--muted); font-size:14px; margin-bottom:24px; }
.modal .tabs { display:flex; gap:8px; margin-bottom:22px; background:var(--bg-soft); padding:5px; border-radius:12px; }
.modal .tabs button { flex:1; padding:10px; border:none; border-radius:9px; background:none; font-weight:600; color:var(--muted); }
.modal .tabs button.active { background:#fff; color:var(--navy); box-shadow:var(--shadow); }
.modal .form-link { margin-top:14px; font-size:13.5px; color:var(--muted); text-align:center; }
.modal .form-link a { color:var(--cyan); font-weight:600; }

/* ---------- 会员中心 ---------- */
.member { display:grid; grid-template-columns: 300px 1fr; gap:36px; }
.member .side { background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:30px; box-shadow:var(--shadow); height:fit-content; }
.member .avatar-big { width:80px; height:80px; border-radius:50%; background:linear-gradient(135deg,var(--cyan),var(--sky)); display:grid; place-items:center; font-size:30px; color:#042; font-weight:800; margin-bottom:16px; }
.member .rec { background:#fff; border:1px solid var(--line); border-radius:14px; padding:20px; margin-bottom:14px; box-shadow:var(--shadow); }
.member .rec .top { display:flex; justify-content:space-between; align-items:center; margin-bottom:8px; }
.member .rec .type { font-size:12px; padding:3px 10px; border-radius:999px; background:rgba(22,191,196,.15); color:var(--navy); font-weight:700; }
.member .rec .date { font-size:12px; color:var(--muted); }
.member .rec p { color:var(--ink); font-size:14.5px; }
.member .rec .who { font-size:13px; color:var(--muted); margin-top:6px; }

/* ---------- 工具 / 动画 ---------- */
.reveal { opacity:0; transform: translateY(26px); transition: .7s cubic-bezier(.2,.7,.2,1); }
.reveal.in { opacity:1; transform:none; }
.text-center { text-align:center; }
.mt-12 { margin-top:12px; } .mt-24 { margin-top:24px; } .mt-40 { margin-top:40px; }
.mb-0 { margin-bottom:0; }
.flex { display:flex; } .gap-16 { gap:16px; } .gap-24 { gap:24px; } .wrap { flex-wrap:wrap; }
.center { justify-content:center; } .between { justify-content:space-between; } .align-c { align-items:center; }

/* ---------- 深色区块可读性 ---------- */
.section-dark .value p { color:#c6d7e6; }
.section-dark .value h3 { color:#fff; }

/* ---------- 讲师介绍 ---------- */
.instr-head { display:flex; align-items:center; gap:20px; flex-wrap:wrap; }
.instr-avatar { width:88px; height:88px; border-radius:50%; background:linear-gradient(135deg,var(--cyan),var(--sky)); display:grid; place-items:center; font-size:34px; font-weight:800; color:#042; flex:none; overflow:hidden; border:2px solid rgba(22,191,196,.35); }
.instr-avatar img { width:100%; height:100%; object-fit:cover; object-position:center 18%; display:block; }
.instr-meta { display:flex; flex-wrap:wrap; gap:10px; margin-top:12px; }
.instr-meta .chip { background:rgba(22,191,196,.12); color:var(--navy); border:1px solid rgba(22,191,196,.35); border-radius:999px; padding:6px 14px; font-size:13px; font-weight:600; }
.cred-group { margin-bottom:22px; }
.cred-group:last-child { margin-bottom:0; }
.cred-group h4 { font-size:15px; color:var(--cyan2); margin-bottom:10px; }
.chips { display:flex; flex-wrap:wrap; gap:10px; }
.chips .chip { background:#eef4fa; border:1px solid var(--line); color:var(--navy); border-radius:999px; padding:6px 14px; font-size:13.5px; }
.honor-list { list-style:none; padding:0; margin:0; }
.honor-list li { position:relative; padding:0 0 12px 22px; color:var(--muted); font-size:14.5px; }
.honor-list li::before { content:""; position:absolute; left:2px; top:9px; width:8px; height:8px; border-radius:50%; background:var(--cyan); }
.instr-card { background:#fff; border:1px solid var(--line); border-radius:16px; padding:28px 26px; box-shadow:var(--shadow); }

/* ---------- 响应式 ---------- */
@media (max-width: 980px) {
  .grid-4, .grid-3 { grid-template-columns: repeat(2,1fr); }
  .stats { grid-template-columns: repeat(2,1fr); }
  .gallery { columns: 3; }
  .about-grid, .contact-grid, .member { grid-template-columns: 1fr; }
  .svc-detail { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .section { padding: 64px 0; }
  .nav-links { display:none; }
  .nav-toggle { display:block; }
  .nav-links.open {
    display:flex; flex-direction:column; position:absolute; top:64px; left:0; right:0;
    background:#fff; padding:20px; gap:18px; box-shadow:var(--shadow); color:var(--ink);
  }
  .nav-links.open a { color:var(--ink); }
  .grid-4, .grid-3, .stats, .grid-2 { grid-template-columns: 1fr; }
  .gallery { columns: 2; }
  .video-wrap { grid-template-columns: 1fr; }
  .product { padding: 34px 24px; }
  .form .row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-badges { gap:18px; }
}