:root{
    --bg:#0C100E;--deep:#080A09;--panel:#141A16;--panel-2:#1A2420;--title:#E8F6EE;--text:#CDE3D6;--muted:#8FB3A0;--quiet:#6E8F7E;--brand:#2A9D5C;--bright:#3CB371;--dark-green:#146B3A;--sand:#EFE6D2;--border:rgba(42,157,92,.18);--border-strong:rgba(42,157,92,.45);--shadow:0 12px 28px rgba(8,10,9,.35);--max:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--bg)}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}
body.ui-locked{overflow:hidden}
a{color:inherit;text-decoration:none}
a,button{outline:none}
a:focus-visible,button:focus-visible{box-shadow:0 0 0 3px rgba(60,179,113,.28);border-color:var(--brand)}
img{display:block;max-width:100%}
button{font:inherit}
.fixed-shell{position:relative;z-index:60}
.topline,.vibar,.layer-tabs{position:fixed;left:0;right:0}
.topline{top:0;height:22px;background:var(--deep);border-bottom:1px solid var(--border);z-index:63;color:var(--bright);font-size:12px;line-height:22px}
.shell-row{width:min(var(--max),calc(100% - 32px));margin:0 auto}
.topline-row{display:flex;align-items:center;justify-content:space-between;height:22px}
.top-brand{font-weight:700;letter-spacing:.02em}
.plain-button{height:44px;min-width:44px;margin:-11px 0;padding:0 8px;border:0;background:transparent;color:var(--bright);cursor:pointer;font-size:12px}
.vibar{top:22px;height:60px;background:rgba(8,10,9,.98);border-bottom:1px solid var(--border-strong);z-index:62}
.vibar-row{height:60px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:12px}
.logo-link{justify-self:start;min-height:44px;display:flex;align-items:center}
.brand-logo{height:28px;width:auto;max-width:168px;object-fit:contain;object-position:center}
.brand-fallback{font-weight:800;font-size:16px;color:var(--title);white-space:nowrap}
.menu-trigger{min-height:44px;min-width:92px;border:1px solid var(--border-strong);background:var(--panel);color:var(--text);border-radius:10px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:14px}
.menu-trigger:hover,.app-link:hover,.secondary-button:hover{border-color:var(--bright);color:var(--title)}
.app-link{justify-self:end;min-height:44px;padding:0 16px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--border-strong);border-radius:10px;color:var(--text);font-size:14px;background:var(--deep);white-space:nowrap}
.layer-tabs{top:82px;height:40px;background:var(--dark-green);border-bottom:1px solid var(--border-strong);z-index:61;display:flex;align-items:center;justify-content:center;gap:8px;padding:4px 16px}
.layer-tabs a{min-height:32px;padding:0 18px;display:flex;align-items:center;justify-content:center;border-radius:8px;color:var(--sand);font-size:13px}
.layer-tabs a:hover{background:rgba(8,10,9,.24)}
.layer-tabs a.is-current{background:var(--brand);color:#08110C;font-weight:800}
.site-main{width:min(var(--max),calc(100% - 32px));margin:0 auto;padding:146px 0 64px;min-height:70vh}
.hero,.page-hero{padding:24px 0 12px}
.media-slot{margin:0;background:var(--deep);border:1px solid var(--border);border-radius:14px;min-height:140px;display:flex;align-items:center;justify-content:center;overflow:hidden}
.media-slot img{width:100%;height:100%;object-fit:contain;object-position:center}
.media-banner{height:260px}
.media-card{height:180px}
.media-wide{height:200px}
.media-app{height:min(360px,68vw)}
.media-small{height:150px}
.hero-copy{max-width:840px;margin:22px auto 0;text-align:left}
.eyebrow{margin:0 0 8px;color:var(--bright);font-size:12px;font-weight:800;letter-spacing:.08em}
h1,h2,h3{margin-top:0;color:var(--title);line-height:1.3}
h1{font-size:24px;margin-bottom:12px}h2{font-size:20px;margin-bottom:12px}h3{font-size:16px;margin-bottom:8px}
p{margin:0 0 14px;color:var(--text)}
.lead{font-size:15px;color:var(--text);max-width:820px}
.muted{color:var(--muted)}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}
.primary-button,.secondary-button,.text-link{min-height:44px;padding:0 18px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;white-space:nowrap}
.primary-button{background:linear-gradient(135deg,#3CB371 0%,#2A9D5C 55%,#146B3A 100%);color:#08110C;border:1px solid transparent}
.primary-button:hover{filter:brightness(1.06)}
.secondary-button{background:var(--deep);border:1px solid var(--border-strong);color:var(--text)}
.text-link{padding:0 4px;color:var(--bright)}
.section{padding:30px 0;border-top:1px solid var(--border)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:16px}
.section-head p{margin:0;color:var(--muted);max-width:680px}
.grid-2,.grid-3,.grid-4{display:grid;gap:16px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card,.article-card,.lesson-card,.index-card,.status-card,.policy-card,.faq-card{background:var(--panel);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow);overflow:hidden}
.card-body,.article-card,.lesson-card,.index-card,.status-card,.policy-card,.faq-card{padding:18px}
.card h3,.article-card h2,.lesson-card h2,.index-card h2,.status-card h2,.policy-card h2,.faq-card h2,.faq-card h3{margin-bottom:8px}
.card p:last-child,.article-card p:last-child,.lesson-card p:last-child,.index-card p:last-child,.status-card p:last-child,.policy-card p:last-child,.faq-card p:last-child{margin-bottom:0}
.number-list{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin:16px 0}
.number-list div{background:var(--panel-2);border:1px solid var(--border);border-radius:10px;padding:12px;color:var(--sand)}
.number-list strong{display:block;color:var(--bright);font-size:13px}
.simple-list{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.simple-list li{padding:12px 14px;background:var(--panel-2);border-left:3px solid var(--brand);border-radius:8px;color:var(--text)}
.lesson-row{display:grid;grid-template-columns:90px 1fr;gap:14px;padding:14px 0;border-bottom:1px solid var(--border)}
.lesson-row:last-child{border-bottom:0}
.lesson-row strong{color:var(--bright)}
.timeline{position:relative;margin-left:10px;padding-left:24px;border-left:1px solid var(--border-strong);display:grid;gap:16px}
.timeline-item{position:relative;background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:18px}
.timeline-item:before{content:"";position:absolute;left:-31px;top:24px;width:12px;height:12px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 5px var(--bg)}
.status{display:inline-flex;min-height:28px;align-items:center;padding:0 10px;border-radius:999px;background:var(--brand);color:#08110C;font-size:12px;font-weight:800;margin-bottom:8px}
.page-hero{max-width:880px}
.page-hero .breadcrumb{font-size:12px;color:var(--muted);margin-bottom:10px}
.page-hero .breadcrumb a{color:var(--bright)}
.prose{max-width:880px}
.prose h2{margin-top:30px}.prose h3{margin-top:22px}.prose ul,.prose ol{padding-left:22px;color:var(--text)}
.prose li{margin:7px 0}
.callout{margin:20px 0;padding:16px 18px;background:var(--panel-2);border:1px solid var(--border-strong);border-radius:12px;color:var(--sand)}
.definition-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:18px 0}
.definition-grid div{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:15px}
.definition-grid dt{font-weight:800;color:var(--bright);margin-bottom:6px}.definition-grid dd{margin:0;color:var(--text)}
.role-table{width:100%;border-collapse:collapse;background:var(--panel);border:1px solid var(--border);border-radius:12px;overflow:hidden}
.role-table th,.role-table td{text-align:left;padding:13px 14px;border-bottom:1px solid var(--border);vertical-align:top}
.role-table th{color:var(--sand);font-size:13px;background:var(--panel-2)}.role-table td{color:var(--text)}
.role-table tr:last-child td{border-bottom:0}
.inline-links{display:flex;flex-wrap:wrap;gap:10px}.inline-links a{min-height:44px;padding:0 14px;display:inline-flex;align-items:center;border:1px solid var(--border-strong);border-radius:9px;background:var(--deep);color:var(--text)}
.site-footer{background:#050706;border-top:1px solid var(--border-strong);color:var(--text);font-size:13px}
.footer-inner{width:min(var(--max),calc(100% - 32px));margin:0 auto;padding:32px 0 84px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:22px}.footer-brand div{display:flex;flex-direction:column}.footer-brand strong{color:var(--title);font-size:16px}.footer-brand span{color:var(--muted)}
.footer-logo-link{min-height:44px;display:flex;align-items:center}
.footer-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:20px 0}
.footer-grid section{display:flex;flex-direction:column;gap:8px}.footer-grid h2{font-size:13px;color:var(--bright);margin:0 0 5px}.footer-grid a{color:var(--text)}.footer-grid a:hover{color:var(--bright)}
.footer-note{max-width:920px;margin:20px 0 8px;color:var(--muted)}.copyright{margin:0;color:var(--quiet)}
.page-overlay{position:fixed;inset:0;background:rgba(0,0,0,.62);z-index:80;opacity:0;visibility:hidden;pointer-events:none;transition:.2s ease}
.page-overlay.is-active{opacity:1;visibility:visible;pointer-events:auto}
.drawer{position:fixed;left:0;top:0;bottom:0;width:min(400px,86vw);z-index:90;background:var(--deep);border-right:1px solid var(--border-strong);transform:translateX(-102%);visibility:hidden;pointer-events:none;transition:transform .24s ease,visibility .24s;overflow-y:auto;padding-bottom:28px}
.drawer.is-open{transform:translateX(0);visibility:visible;pointer-events:auto}
.drawer-head{position:sticky;top:0;background:rgba(8,10,9,.98);display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--border);z-index:2}
.drawer-brand{display:flex;align-items:center;gap:10px}.drawer-brand>div{display:flex;flex-direction:column}.drawer-brand strong{color:var(--title);font-size:16px}.drawer-brand span{color:var(--muted);font-size:12px}
.icon-button{width:44px;height:44px;border:1px solid var(--border-strong);border-radius:10px;background:var(--panel);color:var(--title);cursor:pointer;font-size:23px}
.drawer-groups{padding:10px 16px}.drawer-groups section{padding:12px 0;border-bottom:1px solid var(--border)}.drawer-groups section:last-child{border-bottom:0}.drawer-groups h2{font-size:13px;color:var(--bright);margin:0 0 8px}.drawer-groups a{display:block;padding:10px;border-radius:9px}.drawer-groups a:hover{background:var(--panel)}.drawer-groups strong{display:block;color:var(--title);font-size:14px}.drawer-groups span{display:block;color:var(--muted);font-size:12px}
.search-panel{position:fixed;left:50%;top:92px;transform:translateX(-50%) translateY(-12px);width:min(760px,calc(100% - 32px));z-index:91;opacity:0;visibility:hidden;pointer-events:none;transition:.2s ease}
.search-panel.is-open{opacity:1;visibility:visible;pointer-events:auto;transform:translateX(-50%) translateY(0)}
.search-card{background:var(--deep);border:1px solid var(--border-strong);border-radius:14px;box-shadow:var(--shadow);padding:18px}.search-head{display:flex;justify-content:space-between;gap:16px;align-items:start}.search-head strong{display:block;color:var(--title);font-size:18px}.search-head p{margin:4px 0 0;color:var(--muted)}
.search-presets{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:16px}.search-presets a{min-height:44px;display:flex;align-items:center;justify-content:center;border:1px solid var(--border);border-radius:10px;background:var(--panel);color:var(--text)}.search-presets a:hover{border-color:var(--bright);color:var(--title)}.search-tip{font-size:12px;color:var(--quiet);margin:14px 0 0}
.mobile-bottom{display:none}
@media (max-width:820px){
    .grid-3,.grid-4{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}.number-list{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
    .shell-row,.site-main,.footer-inner{width:calc(100% - 32px)}
    .layer-tabs{display:none}.site-main{padding-top:106px;padding-bottom:86px}.vibar-row{grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);gap:8px}.logo-link{min-width:0}.brand-logo-header{max-width:105px}.brand-fallback{font-size:15px}.menu-trigger{min-width:78px;padding:0 10px}.app-link{padding:0 10px;font-size:13px}
    .hero{padding-top:16px}.media-banner{height:260px}.media-card{height:180px}.media-wide{height:200px}.media-app{height:340px}
    .grid-2,.grid-3,.grid-4,.definition-grid{grid-template-columns:1fr}.section{padding:24px 0}.section-head{display:block}.section-head p{margin-top:6px}
    .footer-grid{grid-template-columns:1fr 1fr}.footer-inner{padding-bottom:92px}
    .search-panel{inset:0;width:100%;transform:none;background:var(--deep);overflow-y:auto}.search-panel.is-open{transform:none}.search-card{min-height:100%;border:0;border-radius:0;padding:84px 16px 86px}.search-presets{grid-template-columns:1fr 1fr}
    .mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:70;height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);display:grid;grid-template-columns:repeat(5,1fr);background:#050706;border-top:1px solid var(--border-strong)}
    .mobile-bottom a{height:48px;display:flex;align-items:center;justify-content:center;font-size:12px;color:var(--text)}.mobile-bottom a.is-current{background:var(--brand);color:#08110C;font-weight:800}
    .drawer{z-index:95}.page-overlay{z-index:85}.role-table,.role-table tbody,.role-table tr,.role-table td{display:block;width:100%}.role-table thead{display:none}.role-table tr{padding:8px 12px;border-bottom:1px solid var(--border)}.role-table tr:last-child{border-bottom:0}.role-table td{border-bottom:0;padding:7px 0}.role-table td:before{content:attr(data-label);display:block;color:var(--muted);font-size:12px;margin-bottom:2px}.lesson-row{grid-template-columns:1fr}.lesson-row strong{margin-bottom:-6px}
}
@media (max-width:420px){.footer-grid,.search-presets,.number-list{grid-template-columns:1fr}.app-link{padding:0 8px}.menu-trigger{min-width:72px}.media-banner{height:220px}}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}