/* HOPEVIS · 希景生物医疗 —— 布局骨架参照 SeLiVis 站（2026-10-09 改版） */
:root{
  --primary:#2F3A8F; --primary-dark:#232C73; --primary-light:#D9DCF2; --primary-subtle:#EEF0FA;
  --accent:#E4637D; --accent-subtle:#FDECF0;
  --dark:#12142E; --gray-900:#1A1D3A; --gray-700:#3F4459; --gray-600:#6B7186;
  --gray-400:#9AA0B4; --gray-200:#E6E8F0; --gray-100:#F6F7FB; --white:#fff;
  --shadow-sm:0 1px 3px rgba(18,20,46,.08); --shadow:0 4px 24px rgba(18,20,46,.08);
  --shadow-lg:0 12px 48px rgba(18,20,46,.10);
  --radius:12px; --radius-sm:8px; --max-w:1200px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--gray-700);background:var(--white);line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary);text-decoration:none;transition:.2s}
a:hover{color:var(--primary-dark)}
.container{max-width:var(--max-w);margin:0 auto;padding:0 24px}
h1,h2,h3,h4{color:var(--dark);font-weight:700;line-height:1.28}
h1{font-size:clamp(1.9rem,3.6vw,3rem)}
h2{font-size:clamp(1.4rem,2.4vw,1.95rem);margin-bottom:12px}
h3{font-size:1.15rem;margin-bottom:8px}
h4{font-size:1rem;margin-bottom:6px}
p{margin-bottom:16px;color:var(--gray-600)}
.skip{position:absolute;left:-9999px}
.skip:focus{left:12px;top:12px;background:#fff;padding:8px 14px;border-radius:8px;z-index:2000}
.section-label{display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:1.6px;
  text-transform:uppercase;color:var(--primary);margin-bottom:10px}
.section-header{text-align:center;max-width:680px;margin:0 auto 52px}
.section-header p{font-size:1.06rem;margin:0}
section{padding:84px 0}
.section-alt{background:var(--gray-100)}
/* 按钮 */
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 28px;border-radius:50px;
  font-weight:600;font-size:.95rem;font-family:var(--font);border:none;cursor:pointer;transition:.25s}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 6px 18px rgba(47,58,143,.28)}
.btn-outline{background:transparent;color:var(--primary);border:2px solid var(--primary)}
.btn-outline:hover{background:var(--primary);color:#fff;transform:translateY(-1px)}
.btn-white{background:#fff;color:var(--primary)}
.btn-white:hover{background:var(--gray-100);transform:translateY(-1px)}
.btn-sm{padding:8px 20px;font-size:.85rem}
/* 导航 */
.navbar{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.97);
  backdrop-filter:blur(16px);border-bottom:1px solid transparent;transition:.3s}
.navbar.scrolled{border-bottom-color:var(--gray-200);box-shadow:var(--shadow-sm)}
.nav-inner{max-width:var(--max-w);margin:0 auto;padding:0 24px;display:flex;align-items:center;
  justify-content:space-between;height:70px}
.nav-logo img{height:34px;width:auto}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a.nav-link{color:var(--gray-700);font-weight:500;font-size:.9rem;padding:4px 0;position:relative}
.nav-links a.nav-link::after{content:"";position:absolute;bottom:-2px;left:0;width:0;height:2px;
  background:var(--primary);transition:.25s;border-radius:1px}
.nav-links a.nav-link:hover::after,.nav-links a.nav-link.active::after{width:100%}
.nav-links a.nav-link:hover,.nav-links a.nav-link.active{color:var(--primary)}
.lang{display:inline-flex;align-items:center;gap:6px;font-size:.85rem;font-weight:600;
  color:var(--primary);border:1px solid var(--gray-200);border-radius:50px;padding:6px 14px}
.lang:hover{border-color:var(--primary);background:var(--primary-subtle)}
.nav-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:6px;background:none;border:none}
.nav-toggle span{width:22px;height:2px;background:var(--dark);border-radius:2px}
/* 首屏 */
.hero{padding:96px 0 80px;background:linear-gradient(135deg,var(--primary-subtle) 0%,#fff 52%,#E8EAF7 100%);overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero-content h1{margin-bottom:18px}
.hero-content h1 span{color:var(--primary)}
.hero-content .subtitle{font-size:1.1rem;color:var(--gray-600);margin-bottom:30px;max-width:540px;line-height:1.75}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-badges{display:flex;gap:34px;margin-top:40px;padding-top:26px;border-top:1px solid var(--gray-200);flex-wrap:wrap}
.hero-badge h4{font-size:1.45rem;color:var(--primary);margin-bottom:2px}
.hero-badge p{font-size:.8rem;color:var(--gray-400);margin:0}
.hero-visual{display:flex;align-items:center;justify-content:center}
.hero-card{width:100%;max-width:470px;background:#fff;border-radius:20px;padding:34px 30px;
  box-shadow:var(--shadow-lg);position:relative;overflow:hidden}
.hero-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;
  background:linear-gradient(90deg,var(--primary),var(--accent))}
.hero-card .hc-logo{margin-bottom:18px;padding-bottom:16px;border-bottom:1px solid var(--gray-100)}
.hero-card .hc-logo img{height:40px}
.hero-card h3{font-size:1.05rem;margin-bottom:10px}
.hero-card ul{list-style:none}
.hero-card li{display:flex;align-items:flex-start;gap:10px;padding:9px 0;
  border-bottom:1px solid var(--gray-100);font-size:.88rem;color:var(--gray-700)}
.hero-card li:last-child{border:none}
.hero-card li .check{color:var(--accent);font-weight:800;flex-shrink:0}
/* 统计条 */
.stats-strip{background:var(--primary);color:#fff;padding:46px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stat-item h3{font-size:clamp(1.6rem,2.8vw,2.3rem);color:#fff;margin-bottom:4px}
.stat-item p{color:rgba(255,255,255,.78);font-size:.88rem;margin:0}
/* 卡片栅格 */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.grid-5{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.card{background:#fff;border:1px solid var(--gray-200);border-radius:var(--radius);padding:30px 24px;transition:.3s}
.card:hover{border-color:var(--primary);box-shadow:var(--shadow);transform:translateY(-3px)}
.card .icon{width:46px;height:46px;background:var(--primary-light);border-radius:12px;
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;color:var(--primary)}
.card .icon svg{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:1.7}
.card h3{font-size:1.05rem}
.card p{font-size:.88rem;margin-bottom:14px}
.card ul.items{list-style:none;margin:0 0 14px}
.card ul.items li{font-size:.85rem;color:var(--gray-600);padding:5px 0 5px 16px;position:relative}
.card ul.items li::before{content:"";position:absolute;left:0;top:12px;width:6px;height:6px;
  border-radius:50%;background:var(--accent)}
.tag{display:inline-block;font-size:.72rem;font-weight:600;padding:3px 10px;border-radius:20px;
  background:var(--primary-subtle);color:var(--primary)}
.tag.accent{background:var(--accent-subtle);color:#B9425C}
.more{font-size:.86rem;font-weight:600}
.feature-card{background:#fff;border:1px solid var(--gray-200);border-radius:var(--radius);padding:26px 22px;transition:.3s}
.feature-card:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.feature-card .icon{font-size:1.4rem;margin-bottom:14px;color:var(--primary)}
.feature-card h4{font-size:.98rem;margin-bottom:6px}
.feature-card p{font-size:.86rem;margin:0}
.cert-item{background:#fff;border:1px solid var(--gray-200);border-radius:var(--radius);
  padding:26px 14px;text-align:center;transition:.3s}
.cert-item:hover{border-color:var(--primary);box-shadow:var(--shadow-sm);transform:translateY(-2px)}
.cert-item .icon{font-size:1.5rem;margin-bottom:10px;color:var(--primary)}
.cert-item h4{font-size:.88rem;margin-bottom:4px}
.cert-item p{font-size:.76rem;color:var(--gray-400);margin:0;line-height:1.5}
/* 子页首屏 */
.page-hero{background:linear-gradient(135deg,var(--primary-subtle) 0%,#fff 60%,#E8EAF7 100%);
  padding:72px 0 56px;text-align:center}
.page-hero h1{margin-bottom:12px}
.page-hero p{max-width:680px;margin:0 auto;font-size:1.05rem}
.crumb{font-size:.82rem;color:var(--gray-400);margin-bottom:14px}
.crumb a{color:var(--gray-400)}
.crumb a:hover{color:var(--primary)}
/* CTA */
.cta-section{background:linear-gradient(135deg,var(--dark) 0%,#222A6B 100%);color:#fff;text-align:center;padding:80px 0}
.cta-section h2{color:#fff;margin-bottom:14px}
.cta-section p{color:rgba(255,255,255,.72);max-width:580px;margin:0 auto 30px;font-size:1.04rem}
.cta-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.cta-section .btn-outline{border-color:rgba(255,255,255,.45);color:#fff}
.cta-section .btn-outline:hover{background:#fff;color:var(--primary);border-color:#fff}
/* 表单 */
.form-card{background:#fff;border:1px solid var(--gray-200);border-radius:16px;padding:32px 28px;box-shadow:var(--shadow-sm)}
.field{margin-bottom:16px}
.field label{display:block;font-size:.85rem;font-weight:600;color:var(--gray-700);margin-bottom:6px}
.field .req{color:var(--accent)}
.field input,.field select,.field textarea{width:100%;font-family:var(--font);font-size:.92rem;
  color:var(--gray-900);background:#fff;border:1px solid var(--gray-200);border-radius:var(--radius-sm);
  padding:11px 13px;transition:.2s}
.field textarea{min-height:110px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--primary);
  box-shadow:0 0 0 3px var(--primary-subtle)}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.hp{position:absolute;left:-9999px}
.hint{font-size:.8rem;color:var(--gray-400);margin:0}
.note{background:var(--primary-subtle);border-left:3px solid var(--primary);border-radius:0 8px 8px 0;
  padding:14px 16px;font-size:.86rem;color:var(--gray-700);margin:0 0 18px}
.info-table{width:100%;border-collapse:collapse;font-size:.9rem}
.info-table th,.info-table td{text-align:left;padding:12px 10px;border-bottom:1px solid var(--gray-200);vertical-align:top}
.info-table th{width:34%;color:var(--gray-600);font-weight:600}
.info-table td{color:var(--gray-900)}
/* 页脚 */
.footer{background:var(--gray-900);color:rgba(255,255,255,.62);padding:58px 0 24px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:40px;margin-bottom:38px}
.footer-brand img{height:38px;opacity:.92}
.footer-brand p{font-size:.87rem;margin:14px 0 0;color:rgba(255,255,255,.55);max-width:30em}
.footer h4{color:#fff;font-size:.88rem;margin-bottom:18px;letter-spacing:.4px}
.footer ul{list-style:none}
.footer li{margin-bottom:10px}
.footer a{color:rgba(255,255,255,.55);font-size:.85rem}
.footer a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:20px;display:flex;
  justify-content:space-between;font-size:.8rem;flex-wrap:wrap;gap:12px}
.footer-bottom a{font-size:.8rem}
/* 悬浮咨询 */
.float-cta{position:fixed;bottom:24px;right:24px;z-index:999;display:inline-flex;align-items:center;gap:8px;
  background:var(--primary);color:#fff;padding:13px 20px;border-radius:50px;font-size:.88rem;font-weight:600;
  box-shadow:0 6px 20px rgba(47,58,143,.35)}
.float-cta:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px)}
/* 动效 */
.fade-in{opacity:0;transform:translateY(22px);transition:.6s ease}
.fade-in.visible{opacity:1;transform:translateY(0)}
@media (prefers-reduced-motion:reduce){.fade-in{opacity:1;transform:none;transition:none}}
/* 移动端 */
@media (max-width:980px){
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-content{text-align:center}
  .hero-content .subtitle{margin-left:auto;margin-right:auto}
  .hero-actions,.hero-badges{justify-content:center}
  .grid-3,.grid-2{grid-template-columns:1fr 1fr}
  .grid-5{grid-template-columns:repeat(3,1fr)}
  .stats-grid{grid-template-columns:1fr 1fr;gap:30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .nav-toggle{display:flex}
  .nav-links{position:absolute;top:70px;left:0;right:0;background:#fff;flex-direction:column;
    padding:22px;gap:16px;border-bottom:1px solid var(--gray-200);box-shadow:var(--shadow);
    transform:translateY(-130%);opacity:0;transition:.3s;pointer-events:none}
  .nav-links.open{transform:translateY(0);opacity:1;pointer-events:auto}
  .nav-links .btn{width:100%;justify-content:center}
}
@media (max-width:640px){
  .grid-3,.grid-2,.grid-5{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;text-align:center}
  .field-row{grid-template-columns:1fr}
  .hero{padding:80px 0 60px}
  section{padding:60px 0}
  .float-cta{right:16px;bottom:16px;padding:12px 16px}
}