/* ==========================================================================
   奥昱海邻 AOSP — 全局样式系统 v2
   高端跨境医疗品牌 · 深海蓝 + 青绿 + 暖金
   ========================================================================== */
:root{
  --navy:#152a45; --navy-2:#1f3a5f;
  --teal:#2e7d8f; --teal-d:#215d6b;
  --gold:#b08d57; --gold-l:#e9c896;
  --ink:#20262e; --muted:#5c6773; --line:#e3e9ee;
  --bg:#ffffff; --bg-soft:#f5f8fa; --bg-navy:#132540;
  --radius:16px; --maxw:1180px;
  --shadow:0 10px 30px rgba(18,40,70,.08);
  --shadow-lg:0 26px 64px rgba(18,40,70,.16);
  --shadow-sm:0 4px 14px rgba(18,40,70,.06);
  --font:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --serif:"Noto Serif SC","Songti SC","STSong",Georgia,"Times New Roman",serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.75;font-size:16.5px;letter-spacing:.01em;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:.2s}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
section{padding:92px 0}
.eyebrow{color:var(--teal);font-size:13px;font-weight:700;letter-spacing:.22em;text-transform:uppercase;margin-bottom:14px;display:inline-flex;align-items:center;gap:9px}
.eyebrow::before{content:"";width:26px;height:2px;background:linear-gradient(90deg,var(--gold),var(--teal));display:inline-block}
.center .eyebrow{justify-content:center}
h1,h2,h3{font-family:var(--serif);color:var(--navy);line-height:1.3;font-weight:700}
h2.title{font-size:clamp(26px,3.4vw,38px);margin-bottom:16px;letter-spacing:.01em}
.lead{font-size:18px;color:var(--muted);max-width:760px;line-height:1.85}
.center{text-align:center}
.center .lead{margin-left:auto;margin-right:auto}

/* ---------- 顶栏 ---------- */
header.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.85);backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{display:flex;align-items:center;gap:12px}
.brand .logo{width:46px;height:46px;flex:none;background:url(img/logo-mark.svg) center/contain no-repeat;color:transparent;font-size:0;text-indent:-9999px;overflow:hidden}
.brand .logo::after{display:none}
footer .brand .logo{background-image:url(img/logo-mark-white.svg)}
.brand b{font-family:var(--serif);color:var(--navy);font-size:19px;font-weight:700;display:block;line-height:1.1}
.brand span{font-size:11px;color:var(--muted);letter-spacing:.14em}
.menu{display:flex;align-items:center;gap:28px}
.menu a{color:var(--ink);font-size:15px;font-weight:500;position:relative}
.menu a::after{content:"";position:absolute;left:0;right:100%;bottom:-6px;height:2px;background:var(--teal);transition:.25s}
.menu a:hover{color:var(--teal)}
.menu a:hover::after{right:0}
.nav-cta{display:flex;align-items:center;gap:16px}
.lang{font-size:13.5px;color:var(--muted);border:1px solid var(--line);padding:6px 12px;border-radius:20px}
.lang:hover{border-color:var(--teal);color:var(--teal)}
.btn{display:inline-flex;align-items:center;gap:8px;justify-content:center;padding:12px 24px;border-radius:26px;font-weight:600;font-size:15px;cursor:pointer;border:1px solid transparent;transition:.22s}
.btn-primary{background:var(--teal);color:#fff;box-shadow:0 8px 20px rgba(46,125,143,.26)}
.btn-primary:hover{background:var(--teal-d);transform:translateY(-2px);box-shadow:0 12px 26px rgba(46,125,143,.34)}
.btn-ghost{border-color:rgba(255,255,255,.45);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.7)}
.btn-outline{border-color:var(--line);color:var(--navy)}
.btn-outline:hover{border-color:var(--teal);color:var(--teal)}
.nav-toggle{display:none;background:none;border:0;font-size:26px;color:var(--navy);cursor:pointer}

/* ---------- Hero ---------- */
.hero{position:relative;color:#fff;padding:128px 0 116px;overflow:hidden;background:#0f1c32}
.hero::before{content:"";position:absolute;inset:0;z-index:0;
  background:linear-gradient(105deg,rgba(15,28,50,.93) 0%,rgba(20,45,80,.72) 52%,rgba(46,125,143,.42) 100%),url(img/hero-bg.jpg) center/cover no-repeat;}
.hero .wrap{position:relative;z-index:2;max-width:1180px;display:grid;grid-template-columns:1.35fr .9fr;gap:40px;align-items:center}
.hero-copy{max-width:640px}
.hero h1{color:#fff;font-size:clamp(32px,4.6vw,54px);line-height:1.22;margin-bottom:22px;letter-spacing:.01em}
.hero h1 em{font-style:normal;color:var(--gold-l);border-bottom:3px solid rgba(176,141,87,.5)}
.hero p{font-size:18.5px;color:rgba(255,255,255,.87);max-width:600px;line-height:1.9;margin-bottom:34px}
.hero .actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-art{position:relative;z-index:2;display:flex;justify-content:center}
.hero-art img{width:100%;max-width:400px;filter:drop-shadow(0 24px 50px rgba(0,0,0,.4));animation:float 7s ease-in-out infinite}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)}}
.hero-stats{display:flex;gap:44px;margin-top:52px;flex-wrap:wrap;position:relative;z-index:2}
.hero-stats .st b{font-family:var(--serif);font-size:34px;color:#fff;display:block;line-height:1}
.hero-stats .st span{font-size:13.5px;color:rgba(255,255,255,.72);letter-spacing:.04em}

/* ---------- 通用组件 ---------- */
.grid{display:grid;gap:26px}
.g-2{grid-template-columns:repeat(2,1fr)}
.g-3{grid-template-columns:repeat(3,1fr)}
.g-4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px 28px;transition:.28s;height:100%;position:relative;box-shadow:var(--shadow-sm)}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.ic{width:56px;height:56px;border-radius:14px;margin-bottom:18px;background:linear-gradient(135deg,rgba(46,125,143,.15),rgba(21,42,69,.09));display:flex;align-items:center;justify-content:center;font-size:25px;border:1px solid rgba(46,125,143,.14)}
.ic svg{width:28px;height:28px;stroke:var(--teal-d);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.card h3{font-size:20px;margin-bottom:10px}
.card p{color:var(--muted);font-size:15px;line-height:1.8}
.card .more{color:var(--teal);font-weight:600;font-size:14.5px;margin-top:14px;display:inline-flex;gap:6px;transition:.2s}
.card:hover .more{gap:11px}
.soft{background:var(--bg-soft)}
.tag{display:inline-block;background:rgba(46,125,143,.10);color:var(--teal-d);font-size:12.5px;font-weight:600;padding:4px 12px;border-radius:20px;margin:0 6px 8px 0}

/* 覆盖领域 */
.dom-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.dom{display:flex;gap:16px;align-items:flex-start;padding:22px;border-radius:14px;background:#fff;border:1px solid var(--line);transition:.25s;box-shadow:var(--shadow-sm)}
.dom:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:transparent}
.dom .n{font-family:var(--serif);color:var(--gold);font-size:22px;font-weight:700;flex:none;line-height:1.2}
.dom .di{width:44px;height:44px;border-radius:11px;flex:none;background:linear-gradient(135deg,rgba(46,125,143,.14),rgba(21,42,69,.08));display:flex;align-items:center;justify-content:center}
.dom .di svg{width:23px;height:23px;stroke:var(--teal-d);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.dom h4{font-size:16.5px;color:var(--navy);margin-bottom:4px}
.dom p{font-size:13.5px;color:var(--muted);line-height:1.7}

/* 图片框 / 照片占位 */
.imgframe{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-lg);position:relative;background:linear-gradient(135deg,#e8eef2,#dbe6ea)}
.imgframe img{width:100%;height:100%;object-fit:cover;display:block}
.photo-ph{border-radius:var(--radius);min-height:300px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;color:#6f8391;text-align:center;padding:24px;
  background:linear-gradient(135deg,#eef3f5,#e2ebee);border:1.5px dashed #b9cdd4}
.photo-ph .pic{width:52px;height:52px;opacity:.5}
.photo-ph small{font-size:12.5px;letter-spacing:.03em;max-width:230px;line-height:1.6}

/* 信任条 */
.trust-bar{background:linear-gradient(120deg,var(--bg-navy),#0e2138);color:#fff;position:relative;overflow:hidden}
.trust-bar::after{content:"";position:absolute;inset:0;background:url(img/hero-bg.jpg) center/cover;opacity:.12}
.trust-bar .wrap{position:relative;z-index:2}
.trust-bar .grid{align-items:center}
.trust-bar .st{text-align:center;padding:6px 0}
.trust-bar .st b{font-family:var(--serif);font-size:30px;color:var(--gold-l);display:block}
.trust-bar .st span{font-size:14px;color:rgba(255,255,255,.74)}

/* 国家分布 */
.countries{display:flex;flex-wrap:wrap;gap:11px;justify-content:center;margin-top:8px}
.countries span{border:1px solid var(--line);padding:9px 18px;border-radius:24px;font-size:14.5px;color:var(--navy);background:#fff;box-shadow:var(--shadow-sm);transition:.2s}
.countries span:hover{border-color:var(--teal);color:var(--teal-d);transform:translateY(-2px)}
.globe-wrap{display:flex;justify-content:center;margin:8px 0 30px}
.globe-wrap img{width:340px;max-width:80%}

/* CTA */
.cta{color:#fff;border-radius:22px;padding:60px 48px;text-align:center;position:relative;overflow:hidden;background:linear-gradient(120deg,var(--navy) 0%,var(--teal-d) 100%)}
.cta::after{content:"";position:absolute;inset:0;background:url(img/cta-bg.jpg) center/cover;opacity:.35;mix-blend-mode:screen}
.cta>*{position:relative;z-index:2}
.cta h2{color:#fff;font-size:30px;margin-bottom:14px}
.cta p{color:rgba(255,255,255,.88);max-width:600px;margin:0 auto 28px;font-size:17px}

/* 内页头 */
.page-head{background:var(--bg-soft);border-bottom:1px solid var(--line);padding:60px 0 50px;position:relative;overflow:hidden}
.page-head::after{content:"";position:absolute;right:-80px;top:-80px;width:360px;height:360px;background:url(img/world-globe.svg) center/contain no-repeat;opacity:.14}
.page-head .wrap{position:relative;z-index:2}
.crumb{font-size:13.5px;color:var(--muted);margin-bottom:14px}
.crumb a:hover{color:var(--teal)}
.page-head h1{font-size:clamp(28px,4vw,42px);margin-bottom:14px}
.page-head .lead{font-size:17.5px}

/* 文章排版 */
.article{max-width:820px;margin:0 auto}
.tldr{background:#f3f8f9;border-left:5px solid var(--teal);border-radius:0 12px 12px 0;padding:22px 26px;margin:0 0 34px}
.tldr b{color:var(--navy);display:block;margin-bottom:6px;font-size:15px}
.article h2{font-size:26px;margin:40px 0 14px;padding-top:10px}
.article h3{font-size:20px;margin:28px 0 10px;color:var(--teal-d)}
.article p{margin-bottom:16px;color:#2c343d}
.article ul{margin:0 0 18px 20px}
.article li{margin-bottom:9px}
.byline{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:14px;margin-bottom:30px;padding-bottom:22px;border-bottom:1px solid var(--line)}
.byline .av{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--navy),var(--teal));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600;flex:none;box-shadow:0 6px 16px rgba(46,125,143,.28)}

/* 数据表 */
.dtable{width:100%;border-collapse:collapse;margin:20px 0 26px;font-size:15px;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.dtable th{background:var(--navy);color:#fff;text-align:left;padding:12px 16px;font-weight:600;font-size:14.5px}
.dtable td{padding:12px 16px;border-top:1px solid var(--line);color:#2c343d}
.dtable tr:nth-child(even) td{background:var(--bg-soft)}

/* FAQ */
.faq-item{border:1px solid var(--line);border-radius:12px;margin-bottom:14px;overflow:hidden;background:#fff;box-shadow:var(--shadow-sm)}
.faq-q{padding:20px 24px;font-weight:600;color:var(--navy);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;font-size:16.5px}
.faq-q:hover{color:var(--teal)}
.faq-q .pm{color:var(--teal);font-size:22px;flex:none;transition:.2s}
.faq-a{padding:0 24px;max-height:0;overflow:hidden;transition:max-height .3s ease;color:var(--muted)}
.faq-item.open .faq-a{padding:0 24px 22px;max-height:640px}
.faq-item.open .pm{transform:rotate(45deg)}

/* 表单 */
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:36px;box-shadow:var(--shadow-lg)}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;color:var(--navy);font-weight:600;margin-bottom:7px}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;font-family:inherit;font-size:15px;color:var(--ink);background:#fdfdfd;transition:.2s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 3px rgba(46,125,143,.12)}

/* 页脚 */
footer{background:var(--bg-navy);color:rgba(255,255,255,.72);padding:66px 0 30px;font-size:14.5px}
footer h4{color:#fff;font-family:var(--font);font-size:15px;margin-bottom:16px;letter-spacing:.03em}
footer a{color:rgba(255,255,255,.72);display:block;margin-bottom:9px}
footer a:hover{color:var(--gold-l)}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.3fr;gap:40px;margin-bottom:40px}
.foot-brand p{max-width:300px;line-height:1.8;margin-top:14px}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:13px;color:rgba(255,255,255,.5)}
.disclaimer{background:#0e1e36;color:rgba(255,255,255,.55);font-size:12.5px;line-height:1.7;padding:18px 0;text-align:center}
.disclaimer .wrap{max-width:960px}

/* 动效 */
.reveal{opacity:0;transform:translateY(24px);transition:.7s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media(max-width:980px){
  .hero .wrap{grid-template-columns:1fr}
  .hero-art{display:none}
}
@media(max-width:920px){
  .g-3,.g-4,.dom-grid,.foot-grid{grid-template-columns:1fr 1fr}
  .hero-stats{gap:28px}
}
@media(max-width:680px){
  section{padding:62px 0}
  .menu{position:fixed;top:74px;left:0;right:0;background:#fff;flex-direction:column;gap:0;padding:10px 0;border-bottom:1px solid var(--line);box-shadow:var(--shadow);transform:translateY(-150%);transition:.3s;z-index:40}
  .menu.show{transform:none}
  .menu a{padding:14px 24px;width:100%;border-bottom:1px solid var(--line)}
  .menu a::after{display:none}
  .nav-toggle{display:block}
  .g-2,.g-3,.g-4,.dom-grid,.foot-grid{grid-template-columns:1fr}
  .cta{padding:42px 24px}
  .hero{padding:84px 0 70px}
  .nav-cta .btn-primary{display:none}
}