/* 嘉益智创官网 · 样式系统（沿用 PPT 医疗青设计语言） */
:root{
  --teal:#0E6E7E; --teal-d:#083C46; --teal-dd:#062832; --cyan:#12A9BC; --cyan-l:#4FC5D3;
  --mint:#2FA98A; --coral:#E1683F; --gold:#D99B34;
  --ink:#133038; --muted:#5E747C; --faint:#8CA1A7;
  --tint:#EFF7F8; --tint2:#E4F1F3; --line:#DCE8EA; --card:#fff; --bg:#fff;
  --maxw:1200px; --radius:16px;
  --shadow:0 10px 30px rgba(16,58,66,.10); --shadow-sm:0 4px 14px rgba(16,58,66,.08);
  --font:"PingFang SC","Microsoft YaHei","思源黑体","Source Han Sans SC",-apple-system,"Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.kicker{font-size:13px;font-weight:700;letter-spacing:.22em;color:var(--cyan);text-transform:uppercase;margin-bottom:12px}
.sec-title{font-size:clamp(24px,3.4vw,36px);font-weight:800;letter-spacing:.5px}
.sec-sub{color:var(--muted);font-size:16px;margin-top:12px;max-width:640px}
.center{text-align:center;margin-inline:auto}
section{padding:86px 0}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 26px;border-radius:999px;font-weight:700;font-size:15px;transition:.25s;cursor:pointer;border:none}
.btn-primary{background:var(--teal);color:#fff;box-shadow:0 8px 20px rgba(14,110,126,.32)}
.btn-primary:hover{background:#0c5f6d;transform:translateY(-2px)}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.5)}
.btn-ghost:hover{background:rgba(255,255,255,.12)}

/* 导航 */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.85);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:var(--teal-d);letter-spacing:1px}
.brand .ring{width:22px;height:22px;border:3px solid var(--cyan);border-radius:50%;position:relative}
.brand .ring::after{content:"";position:absolute;inset:4px;background:var(--cyan);border-radius:50%}
.menu{display:flex;gap:30px;list-style:none}
.menu a{font-size:15px;font-weight:600;color:var(--ink);padding:6px 0;position:relative;transition:.2s}
.menu a:hover{color:var(--teal)}
.menu a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--teal);transition:.25s}
.menu a:hover::after{width:100%}
.nav-tel{display:flex;align-items:center;gap:8px;font-weight:700;color:var(--teal);font-size:15px}
.nav-toggle{display:none;background:none;border:none;font-size:26px;color:var(--teal-d);cursor:pointer}

/* 首屏 */
.hero{position:relative;background:linear-gradient(135deg,var(--teal-dd),var(--teal) 70%,#0c6270);color:#fff;overflow:hidden;padding:96px 0 110px}
.hero::before{content:"";position:absolute;right:-8%;top:-12%;width:520px;height:520px;background:radial-gradient(circle,rgba(30,192,210,.45),transparent 62%);filter:blur(20px)}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;position:relative}
.hero-eyebrow{font-size:14px;letter-spacing:.2em;color:var(--cyan-l);font-weight:700;margin-bottom:18px}
.hero h1{font-size:clamp(34px,5vw,54px);font-weight:800;line-height:1.14;letter-spacing:1px}
.hero h1 span{color:#BFE9EF}
.hero p{margin:22px 0 32px;font-size:17px;color:#DCEFF1;max-width:520px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-figure{position:relative}
.hero-figure img{border-radius:20px;box-shadow:0 30px 60px rgba(0,0,0,.35);border:1px solid rgba(255,255,255,.15)}
.hero-badges{display:flex;gap:26px;margin-top:34px;flex-wrap:wrap}
.hero-badges div{display:flex;flex-direction:column}
.hero-badges b{font-size:26px;font-weight:800;color:#fff}
.hero-badges small{font-size:12.5px;color:#A9D6DD;letter-spacing:.05em}

/* 优势卡片 */
.grid{display:grid;gap:24px}
.adv-grid{grid-template-columns:repeat(3,1fr);margin-top:52px}
.adv{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:30px 28px;transition:.28s}
.adv:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.adv .ic{width:56px;height:56px;border-radius:15px;display:grid;place-items:center;font-size:26px;color:#fff;margin-bottom:18px}
.adv h3{font-size:19px;font-weight:800;margin-bottom:8px}
.adv p{color:var(--muted);font-size:14.5px}

/* 产品区 */
.product{background:var(--tint)}
.product .wrap{display:grid;grid-template-columns:1fr 1.05fr;gap:56px;align-items:center}
.product-media{background:#fff;border-radius:20px;padding:34px;box-shadow:var(--shadow);text-align:center}
.product-media img{margin-inline:auto}
.spec-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:30px}
.spec{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 20px}
.spec b{font-size:28px;font-weight:800;color:var(--teal);display:block;line-height:1.1}
.spec small{color:var(--muted);font-size:13px}
.plist{list-style:none;margin-top:26px;display:flex;flex-direction:column;gap:12px}
.plist li{display:flex;gap:12px;align-items:flex-start;font-size:15px}
.plist .chk{flex:none;width:24px;height:24px;border-radius:50%;background:var(--mint);color:#fff;display:grid;place-items:center;font-size:13px;font-weight:800;margin-top:1px}

/* 应用场景 */
.scenes{display:grid;grid-template-columns:2fr 1fr 1fr;grid-template-rows:1fr 1fr;gap:16px;margin-top:52px;height:520px}
.scene{position:relative;border-radius:16px;overflow:hidden}
.scene img{width:100%;height:100%;object-fit:cover;transition:.5s}
.scene:hover img{transform:scale(1.06)}
.scene::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(8,40,50,.72),transparent 55%)}
.scene span{position:absolute;left:20px;bottom:16px;color:#fff;font-weight:700;font-size:17px;z-index:2}
.scene.big{grid-row:1/3}

/* 技术与安全 */
.tech .wrap{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.tech-list{display:flex;flex-direction:column;gap:22px;margin-top:20px}
.tech-item{display:flex;gap:18px}
.tech-item .n{flex:none;width:46px;height:46px;border-radius:13px;background:var(--tint2);color:var(--teal);display:grid;place-items:center;font-weight:800;font-size:18px}
.tech-item h4{font-size:17px;font-weight:800;margin-bottom:4px}
.tech-item p{color:var(--muted);font-size:14px}
.tech-figure img{border-radius:20px;box-shadow:var(--shadow)}

/* 资质 */
.certs{background:var(--tint)}

/* 关于 CTA 条 */
.about{background:linear-gradient(135deg,var(--teal),#0c6270);color:#fff;text-align:center}
.about h2{font-size:clamp(24px,3vw,34px);font-weight:800}
.about p{max-width:720px;margin:18px auto 30px;color:#DCEFF1;font-size:16px}

/* 页脚 */
.footer{background:var(--teal-dd);color:#B7D3D9;padding:56px 0 26px;font-size:14px}
.footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer h5{color:#fff;font-size:15px;margin-bottom:16px;font-weight:700}
.footer .brand{color:#fff;margin-bottom:14px}
.footer ul{list-style:none;display:flex;flex-direction:column;gap:9px}
.footer a:hover{color:#fff}
.footer .contact li{display:flex;gap:9px}
.foot-bottom{padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;font-size:12.5px;color:#8FB2B9}
.foot-bottom a:hover{color:#fff}

/* 产品中心（双产品展示） */
.prod2{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:52px}
.pcard{background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;transition:.3s;display:flex;flex-direction:column}
.pcard:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.pcard .pimg{background:#fff;border-bottom:1px solid var(--line);padding:30px 34px 22px;text-align:center}
.pcard .pimg img{margin-inline:auto;max-height:200px;width:auto}
.pcard .pbody{padding:26px 30px 30px}
.pcard .ptag{display:inline-block;font-size:12px;font-weight:700;color:var(--cyan);letter-spacing:.1em;background:var(--tint2);padding:4px 12px;border-radius:999px;margin-bottom:12px}
.pcard h3{font-size:26px;font-weight:800;margin-bottom:10px}
.pcard p{color:var(--muted);font-size:15px;min-height:48px}
.pcard .pspec{display:flex;gap:20px;margin:18px 0 22px;flex-wrap:wrap}
.pcard .pspec div{display:flex;flex-direction:column}
.pcard .pspec b{font-size:19px;font-weight:800;color:var(--teal)}
.pcard .pspec small{font-size:11.5px;color:var(--muted)}
.pcard .plink{color:var(--teal);font-weight:700;font-size:14.5px}

/* 关于我们 + 发展历程 */
.about-sec .lead{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;margin-top:20px}
.about-sec .lead p{color:var(--muted);font-size:15.5px;margin-bottom:14px;line-height:1.85}
.about-stats{display:flex;gap:14px;margin-top:24px;flex-wrap:wrap}
.about-stats .st{background:var(--tint);border-radius:14px;padding:18px 22px;flex:1;min-width:130px}
.about-stats b{font-size:26px;font-weight:800;color:var(--teal);display:block}
.about-stats small{color:var(--muted);font-size:12.5px}
.culture{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:14px}
.culture .cc{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px}
.culture .cc h5{font-size:16px;font-weight:800;color:var(--teal);margin-bottom:8px}
.culture .cc p{color:var(--muted);font-size:13.5px}
.timeline{margin-top:56px;position:relative;padding-left:0}
.tl-track{display:grid;grid-template-columns:repeat(5,1fr);gap:0;position:relative}
.tl-track::before{content:"";position:absolute;left:0;right:0;top:15px;height:2px;background:var(--line)}
.tl{position:relative;padding:0 12px;text-align:center}
.tl .dot{width:16px;height:16px;border-radius:50%;background:var(--teal);border:4px solid #fff;box-shadow:0 0 0 2px var(--teal);margin:8px auto 18px;position:relative;z-index:2}
.tl .yr{font-size:20px;font-weight:800;color:var(--teal)}
.tl p{font-size:12.5px;color:var(--muted);margin-top:6px}

/* 联系我们 */
.contact-sec{background:var(--tint)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:24px;margin-top:48px}
.ct{background:#fff;border-radius:16px;padding:30px;box-shadow:var(--shadow-sm);text-align:center}
.ct .ic{width:56px;height:56px;border-radius:50%;background:var(--tint2);color:var(--teal);font-size:24px;display:grid;place-items:center;margin:0 auto 16px}
.ct h4{font-size:16px;font-weight:800;margin-bottom:8px}
.ct p{color:var(--muted);font-size:14px;line-height:1.7}

/* 动效（仅在 JS 可用时隐藏，无 JS 时始终可见，保证内容不丢失） */
.js .reveal{opacity:0;transform:translateY(26px);transition:.7s cubic-bezier(.2,.7,.2,1)}
.js .reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.js .reveal{opacity:1;transform:none;transition:none}}

/* 响应式 */
@media(max-width:900px){
  .hero .wrap,.product .wrap,.tech .wrap,.about-sec .lead{grid-template-columns:1fr}
  .hero-figure,.about-sec .lead .about-media{order:-1}
  .adv-grid,.prod2,.contact-grid{grid-template-columns:1fr 1fr}
  .scenes{grid-template-columns:1fr 1fr;height:auto;grid-auto-rows:180px}
  .scene.big{grid-row:auto;grid-column:1/3}
  .footer .cols{grid-template-columns:1fr 1fr}
  .tl-track{grid-template-columns:1fr 1fr 1fr}
  .tl-track::before{display:none}
  .timeline{display:block}
  .culture{grid-template-columns:1fr}
}
@media(max-width:620px){
  section{padding:60px 0}
  .menu,.nav-tel{display:none}
  .nav-toggle{display:block}
  .menu.open{display:flex;position:absolute;top:68px;left:0;right:0;flex-direction:column;background:#fff;padding:16px 24px;gap:14px;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
  .adv-grid,.spec-grid,.footer .cols,.prod2,.contact-grid,.tl-track{grid-template-columns:1fr}
  .hero-badges{gap:18px}
}