:root{
  --page:#F4FBFA;--deep:#E7F6F4;--card:#FFFFFF;--soft:#F7FCFB;
  --title:#0E3A38;--text:#1C4A47;--muted:#3D6B68;--light:#6A8E8B;
  --cyan:#1AA6A0;--cyan-lite:#7EDCD4;--cyan-deep:#0E6E6A;
  --coral:#E07A62;--amber:#E2B23A;--line:rgba(26,166,160,.28);
  --shadow:0 12px 28px rgba(14,58,56,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--page);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.75;overflow-x:hidden}
body.panel-open{overflow:hidden}
a{color:inherit;text-decoration:none}
button{font:inherit}
img{display:block;max-width:100%}
.top-strip{position:fixed;z-index:70;top:0;left:0;right:0;height:16px;background:var(--cyan-deep);color:var(--page);font-size:12px;line-height:16px}
.top-inner{max-width:960px;height:16px;margin:auto;padding:0 16px;display:flex;align-items:center;justify-content:space-between}
.text-button{border:0;background:transparent;color:var(--page);padding:0;line-height:16px;cursor:pointer}
.site-head{position:fixed;z-index:69;top:16px;left:0;right:0;height:58px;background:rgba(244,251,250,.96);backdrop-filter:blur(10px);border-bottom:2px solid var(--cyan);display:flex;align-items:center;justify-content:space-between;padding:0 max(16px,calc((100vw - 960px)/2 + 16px))}
.brand{display:flex;align-items:center;gap:9px;min-width:0}
.logo-box{width:38px;height:34px;display:flex;align-items:center;justify-content:center;flex:0 0 auto}
.logo-box img{height:28px;width:auto;object-fit:contain;object-position:center}
.brand-copy{display:flex;flex-direction:column;line-height:1.05}
.brand-copy strong{font-size:16px;color:var(--title);white-space:nowrap}
.brand-copy small{font-size:12px;color:var(--muted);margin-top:4px}
.head-actions{display:flex;gap:8px;align-items:center;white-space:nowrap}
.head-link{height:40px;display:inline-flex;align-items:center;justify-content:center;border-radius:12px;border:1px solid var(--line);background:var(--card);color:var(--title);padding:0 14px;font-size:14px;cursor:pointer;transition:180ms}
.head-button{appearance:none}
.head-link:hover,.btn-secondary:hover,.search-presets a:hover{box-shadow:0 0 0 3px rgba(126,220,212,.5),0 10px 24px rgba(14,110,106,.24)}
.head-link:active,.btn-secondary:active,.search-presets a:active{filter:brightness(1.06);box-shadow:0 0 0 4px rgba(224,122,98,.36),0 0 22px rgba(26,166,160,.5)}
.ripple-nav{position:fixed;z-index:68;top:74px;left:0;right:0;height:42px;background:var(--deep);display:flex;align-items:center}
.ripple-line{position:relative;max-width:960px;width:100%;height:100%;margin:auto;padding:0 16px;display:flex;align-items:center;gap:34px}
.ripple-line:before{content:"";position:absolute;left:18px;right:18px;top:20px;height:2px;background:var(--cyan)}
.ripple-line a{position:relative;display:flex;align-items:center;gap:8px;height:42px;padding-right:10px;background:var(--deep);color:var(--muted);font-size:13px}
.ripple-line a span{width:10px;height:10px;border:2px solid var(--cyan);border-radius:50%;background:var(--deep)}
.ripple-line a.is-current{color:var(--cyan-deep);font-weight:700;text-shadow:0 0 10px rgba(26,166,160,.28)}
.ripple-line a.is-current span{background:var(--cyan);box-shadow:0 0 0 4px rgba(126,220,212,.36),0 0 14px rgba(26,166,160,.45)}
.overlay{position:fixed;z-index:80;inset:0;background:rgba(14,58,56,.36)}
.overlay[hidden]{display:none}
.menu-panel,.search-panel{visibility:hidden;pointer-events:none;opacity:0;transition:180ms}
.menu-panel.is-open,.search-panel.is-open{visibility:visible;pointer-events:auto;opacity:1}
.menu-panel{position:fixed;z-index:90;top:80px;left:max(16px,calc((100vw - 960px)/2 + 120px));width:min(600px,calc(100vw - 32px));max-height:70vh;overflow:auto;background:var(--card);border-radius:18px;border:1px solid var(--line);border-top:6px solid var(--cyan);box-shadow:0 22px 60px rgba(14,58,56,.22);padding:18px}
.menu-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.menu-brand{display:flex;align-items:center;gap:8px;color:var(--title)}
.close-button{min-height:44px;padding:0 14px;border:1px solid var(--line);background:var(--soft);color:var(--title);border-radius:12px;cursor:pointer}
.menu-groups{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.menu-groups>div{border-top:1px solid var(--line);padding-top:10px}
.menu-groups h2{font-size:16px;color:var(--title);margin:0 0 8px}
.menu-groups a{display:block;padding:8px 0;border-bottom:1px dashed rgba(26,166,160,.18)}
.menu-groups a strong{font-size:14px;color:var(--title);display:block}
.menu-groups a small{font-size:12px;color:var(--muted);display:block;line-height:1.45}
.search-panel{position:fixed;z-index:91;top:84px;right:16px;width:min(420px,calc(100vw - 32px));background:var(--card);border:1px solid var(--line);border-radius:18px;box-shadow:0 22px 60px rgba(14,58,56,.22);padding:18px}
.search-head{display:flex;justify-content:space-between;gap:16px;align-items:start}
.search-head strong{color:var(--title);font-size:18px}
.search-head p{margin:2px 0 0;color:var(--muted)}
.search-presets{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:16px}
.search-presets a{min-height:44px;display:flex;align-items:center;justify-content:center;background:var(--deep);border:1px solid var(--line);border-radius:12px;color:var(--title);transition:180ms}
.site-main{max-width:960px;margin:0 auto;padding:150px 16px 68px}
.breadcrumb{font-size:13px;color:var(--light);margin:0 0 18px}
.breadcrumb a{color:var(--cyan-deep)}
.intro-strip{display:inline-flex;align-items:center;gap:8px;padding:6px 10px;border-radius:999px;background:var(--deep);color:var(--cyan-deep);font-size:13px;margin-bottom:12px}
.hero-copy{max-width:720px}
h1,h2,h3{color:var(--title);line-height:1.3}
h1{font-size:24px;margin:0 0 10px}
h2{font-size:20px;margin:0 0 10px}
h3{font-size:16px;margin:0 0 8px}
p{margin:0 0 12px}
.lead{font-size:16px;line-height:1.8;color:var(--text)}
.muted{color:var(--muted)}
.btn-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.btn-primary,.btn-secondary{min-height:44px;padding:0 18px;display:inline-flex;align-items:center;justify-content:center;border-radius:13px;font-size:14px;transition:180ms}
.btn-primary{background:linear-gradient(135deg,#7EDCD4 0%,#1AA6A0 52%,#0E6E6A 100%);color:#F4FBFA;box-shadow:0 6px 16px rgba(26,166,160,.24)}
.btn-primary:hover{box-shadow:0 0 0 3px rgba(126,220,212,.5),0 10px 24px rgba(14,110,106,.24)}
.btn-primary:active{filter:brightness(1.06);box-shadow:0 0 0 4px rgba(224,122,98,.36),0 0 22px rgba(26,166,160,.5)}
.btn-secondary{background:var(--card);color:var(--title);border:1px solid var(--line)}
a:focus-visible,button:focus-visible{outline:2px solid var(--cyan-deep);outline-offset:2px}
.section{margin-top:34px}
.section-card{background:var(--card);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);padding:20px}
.media-slot{width:100%;height:160px;background:var(--page);border:1px solid rgba(26,166,160,.16);border-radius:14px;display:flex;align-items:center;justify-content:center;overflow:hidden}
.media-slot img,.media-square img,.media-portrait img,.media-banner img{width:100%;height:100%;object-fit:contain;object-position:center}
.media-square{width:240px;height:160px;background:var(--page);border:1px solid rgba(26,166,160,.16);border-radius:14px;display:flex;align-items:center;justify-content:center;overflow:hidden;flex:0 0 240px}
.media-tall{height:168px}
.media-portrait{width:240px;height:320px;background:var(--page);border:1px solid rgba(26,166,160,.16);border-radius:16px;display:flex;align-items:center;justify-content:center;overflow:hidden}

.media-icon{width:48px;height:48px;background:var(--page);border:1px solid rgba(26,166,160,.16);border-radius:12px;display:flex;align-items:center;justify-content:center;overflow:hidden;flex:0 0 48px}
.media-icon img{width:48px;height:48px;object-fit:contain;object-position:center}
.media-banner{width:100%;height:200px;background:var(--page);border:1px solid rgba(26,166,160,.16);border-radius:16px;display:flex;align-items:center;justify-content:center;overflow:hidden}
.caption{font-size:12px;color:var(--light);margin-top:7px}
.home-index{border-left:3px solid var(--cyan);padding-left:14px;margin-bottom:22px;color:var(--muted)}
.stagger{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:start}
.stagger .section-card:nth-child(2){margin-top:38px}
.horizontal{display:flex;gap:20px;align-items:center}
.horizontal.reverse{flex-direction:row-reverse}
.wrap-media{float:right;width:240px;margin:0 0 14px 20px}
.sheet{background:linear-gradient(180deg,var(--card),var(--soft));border:1px solid var(--line);border-radius:16px;padding:22px;position:relative}
.sheet:before{content:"";position:absolute;left:0;top:24px;width:4px;height:52px;background:var(--amber);border-radius:0 6px 6px 0}
.status-list{display:grid;gap:12px}
.status-row{display:grid;grid-template-columns:104px 1fr;gap:16px;align-items:start;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px}
.status-pill{display:inline-flex;justify-content:center;align-items:center;min-height:34px;border-radius:999px;background:var(--deep);color:var(--cyan-deep);font-size:13px;font-weight:700}
.status-pill.coral{background:rgba(224,122,98,.12);color:#8A4939}
.status-pill.amber{background:rgba(226,178,58,.18);color:#775A0A}
.info-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.info-grid .section-card:nth-child(3){grid-column:1/-1}
.callout{border-left:4px solid var(--cyan);background:var(--deep);padding:16px 18px;border-radius:0 14px 14px 0;margin:20px 0}
.topic-chips{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0 0}
.topic-chips a,.topic-chips span{padding:6px 10px;border-radius:999px;background:var(--deep);color:var(--cyan-deep);font-size:13px}
.article-flow{display:grid;gap:18px}
.article-block{padding:20px 0;border-bottom:1px solid var(--line)}
.article-block:last-child{border-bottom:0}
.timeline{position:relative;padding-left:24px}
.timeline:before{content:"";position:absolute;left:6px;top:6px;bottom:6px;width:2px;background:var(--cyan)}
.timeline .article-block{position:relative;padding:0 0 22px 16px;border:0}
.timeline .article-block:before{content:"";position:absolute;left:-23px;top:8px;width:10px;height:10px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 4px rgba(126,220,212,.28)}
.faq-list{display:grid;gap:14px}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px}
.faq-item h2{font-size:16px}
.note-list{display:grid;gap:12px;margin-top:18px}
.note-list>div{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px}
.about-brand{display:flex;gap:18px;align-items:center}
.about-brand .media-slot{width:220px;flex:0 0 220px}
.site-footer{background:var(--title);color:var(--deep);border-top:1px solid var(--cyan);padding:34px 16px 76px}
.footer-inner{max-width:960px;margin:auto}
.footer-brand{display:flex;gap:8px;align-items:center;margin-bottom:20px}
.footer-brand>div{display:flex;flex-direction:column;line-height:1.2}
.footer-brand strong{color:var(--page)}
.footer-brand small{color:var(--deep);font-size:12px}
.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.footer-grid h2{font-size:14px;color:var(--page);margin-bottom:6px}
.footer-grid a{display:block;font-size:13px;color:var(--deep);padding:3px 0}
.footer-note,.footer-copy{font-size:13px;color:var(--deep)}
.footer-note{margin-top:24px;border-top:1px solid rgba(126,220,212,.24);padding-top:16px}
.mobile-nav{display:none}
@media (max-width:720px){
  .site-head{padding:0 16px}
  .ripple-nav{display:none}
  .site-main{padding:106px 16px 78px}
  .head-link{padding:0 11px;min-width:44px}
  .brand-copy strong{font-size:15px}
  .menu-panel{top:80px;left:16px;max-height:72vh}
  .menu-groups{grid-template-columns:1fr}
  .search-panel{inset:0;top:0;width:100vw;height:100vh;background:var(--title);color:var(--page);border-color:rgba(126,220,212,.34);border-radius:0}
  .search-head strong,.search-head p{color:var(--page)}
  .search-panel .close-button{background:rgba(255,255,255,.08);color:var(--page)}
  .search-presets{grid-template-columns:repeat(2,1fr)}
  .search-presets a{background:rgba(126,220,212,.12);color:var(--page)}
  .stagger{grid-template-columns:1fr}
  .stagger .section-card:nth-child(2){margin-top:0}
  .horizontal,.horizontal.reverse{flex-direction:column;align-items:stretch}
  .media-square,.media-portrait{width:100%;max-width:240px;align-self:center}
  .wrap-media{float:none;width:100%;max-width:240px;margin:0 auto 16px}
  .info-grid{grid-template-columns:1fr}
  .info-grid .section-card:nth-child(3){grid-column:auto}
  .status-row{grid-template-columns:1fr}
  .about-brand{flex-direction:column;align-items:stretch}
  .about-brand .media-slot{width:100%}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
  .mobile-nav{position:fixed;z-index:75;left:0;right:0;bottom:0;height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);display:grid;grid-template-columns:repeat(4,1fr);background:rgba(244,251,250,.98);border-top:1px solid var(--line);box-shadow:0 -8px 24px rgba(14,58,56,.08)}
  .mobile-nav a{display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--muted);min-height:48px}
  .mobile-nav a.is-current{color:var(--cyan-deep);font-weight:700;border-top:2px solid var(--cyan);box-shadow:inset 0 6px 14px rgba(26,166,160,.12)}
}
@media (max-width:390px){
  .head-actions{gap:6px}
  .head-link{font-size:13px;padding:0 9px}
  .brand{gap:5px}
  .logo-box{width:30px}
  .footer-grid{grid-template-columns:1fr 1fr}
}