:root{
  --bg:#FFFCF6;--bg2:#F8F3E8;--gold-lite:#F3E4BC;--gray:#F3F1EC;
  --ink:#1C170D;--text:#393124;--muted:#6B604C;--soft:#8A7C61;
  --gold:#C99A27;--gold2:#E1BE5B;--deepgold:#9A6E12;--cream:#FBF0CE;--brown:#211B10;
  --border:rgba(154,110,18,.18);--border2:rgba(201,154,39,.42);
  --shadow:0 14px 36px rgba(61,45,15,.09);--goldshadow:0 14px 32px rgba(201,154,39,.14);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden}
body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8;overflow-x:hidden}
body.locked{overflow:hidden}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
button,input{font:inherit}
button{cursor:pointer}
.shell{width:min(1320px,calc(100% - 40px));margin:auto}
.age-line{height:27px;background:var(--brown);color:var(--cream);font-size:12px}
.age-line .shell{height:100%;display:flex;align-items:center;justify-content:space-between;gap:16px}
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,252,246,.97);border-bottom:1px solid var(--border2);box-shadow:0 8px 22px rgba(33,27,16,.06)}
.header-inner{height:78px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:20px}
.header-left,.header-right{display:flex;align-items:center;gap:8px}.header-right{justify-content:flex-end}
.icon-btn,.header-link,.btn,.close-btn{min-height:44px;border-radius:8px;border:1px solid var(--border2);display:inline-flex;align-items:center;justify-content:center;padding:9px 14px;background:var(--bg);color:var(--ink)}
.icon-btn:hover,.header-link:hover,.btn:hover{box-shadow:var(--goldshadow);border-color:var(--gold)}
.header-link.primary,.btn.primary{background:var(--gold);color:var(--ink);font-weight:700}
.brand{display:flex;align-items:center;justify-content:center;min-width:160px;gap:8px}
.brand-logo{max-height:36px;width:auto}.brand-text{font-size:22px;font-weight:800;letter-spacing:.06em}
.brand .brand-logo+ .brand-text{display:none}
main{min-height:50vh}
.hero,.page-hero,.section{padding:56px 0}
.page-hero{padding-bottom:30px}
.eyebrow{color:var(--deepgold);text-transform:uppercase;letter-spacing:.16em;font-weight:700;font-size:13px}
h1,h2,h3{color:var(--ink);line-height:1.28;margin-top:0}
h1{font-size:clamp(30px,4vw,40px);max-width:900px}
h2{font-size:clamp(22px,3vw,30px)}
h3{font-size:20px}
.lead{font-size:18px;color:var(--muted);max-width:900px}
.breadcrumbs{font-size:14px;color:var(--soft);margin-bottom:18px}.breadcrumbs a{text-decoration:underline;text-underline-offset:4px}
.index-strip{padding:24px 0;border-bottom:1px solid var(--border)}
.index-grid{display:grid;grid-template-columns:1.2fr .9fr 1fr 1.2fr .9fr 1fr;gap:14px}
.index-item{border-top:2px solid var(--border2);padding:14px 8px 6px}
.index-item .num{display:block;color:var(--gold);font-weight:800;font-size:13px}.index-item strong{display:block;color:var(--ink)}.index-item span:last-child{font-size:13px;color:var(--soft)}
.media-frame{background:var(--gray);border:1px solid var(--border);border-radius:12px;padding:8px;box-shadow:var(--shadow);overflow:hidden}
.media-frame img{width:100%;height:auto;object-fit:contain;object-position:center;border-radius:8px}
.image-slot{min-height:220px;background:linear-gradient(135deg,var(--gray),var(--cream));border:1px solid var(--border);border-radius:10px;display:flex;align-items:center;justify-content:center;color:var(--soft);text-align:center;padding:28px}
.banner-frame img{max-height:460px;margin:auto}
.hero-copy{padding-top:28px;max-width:930px}.hero-actions,.inline-links{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
.markers{display:flex;gap:22px;flex-wrap:wrap;margin-top:24px;color:var(--deepgold);font-weight:700;font-size:14px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:start}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.asym{display:grid;grid-template-columns:2fr 1fr;gap:30px;align-items:start}
.section.alt{background:var(--bg2)}
.section.dark{background:var(--brown);color:var(--bg)}.section.dark h2,.section.dark h3{color:var(--cream)}.section.dark .lead{color:#e8dfcc}
.note-list,.feature-list,.article-list{display:grid;gap:14px}
.note{border-top:1px solid var(--border2);padding:16px 0}
.note strong{color:var(--ink);display:block;margin-bottom:5px}
.card{background:var(--bg);border:1px solid var(--border);border-radius:10px;padding:22px;box-shadow:var(--shadow)}
.card.gold{background:var(--cream)}
.track-grid{display:grid;grid-template-columns:1.7fr .9fr;gap:18px}.track-grid .wide{grid-row:span 2}.track-grid .full{grid-column:1/-1}
.task-list{counter-reset:task;display:grid;gap:0}.task{display:grid;grid-template-columns:80px 1fr;gap:20px;padding:24px 0;border-top:1px solid var(--border)}
.task::before{counter-increment:task;content:counter(task,decimal-leading-zero);font-size:30px;color:var(--gold);font-weight:800}
.steps{display:grid;grid-template-columns:repeat(7,1fr);gap:10px}.step{position:relative;padding-top:36px}.step::before{content:"";position:absolute;top:13px;left:0;right:0;border-top:2px solid var(--gold)}.step::after{content:"";position:absolute;top:8px;left:0;width:12px;height:12px;background:var(--gold);border-radius:50%}
.clause{border-left:3px solid var(--gold);padding:18px 22px;background:var(--bg2);margin:14px 0}
.program{border-top:1px solid var(--border);margin-top:18px}.program-row{display:grid;grid-template-columns:160px 1fr;gap:18px;padding:16px 0;border-bottom:1px solid var(--border)}
.status{display:inline-block;color:var(--deepgold);font-weight:700}
.article-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}.article{padding:22px 0;border-top:1px solid var(--border2)}
.related{padding:26px 0 56px}.related a{display:inline-block;margin:6px 8px 0 0;color:var(--deepgold);text-decoration:underline;text-underline-offset:4px}
.cta{background:var(--cream);border:1px solid var(--border2);border-radius:12px;padding:26px;margin-top:30px}
.site-footer{background:var(--brown);color:var(--bg);padding:48px 0 80px;border-top:2px solid var(--gold)}
.footer-brand{display:flex;align-items:center;gap:14px;margin-bottom:30px}.footer-logo{max-height:36px;width:auto}.footer-brand strong{display:block;color:var(--cream);font-size:20px}.footer-brand span{color:#d8ccb2;font-size:12px;letter-spacing:.13em}
.footer-groups{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}.footer-groups h2{color:var(--cream);font-size:16px}.footer-groups a{display:block;color:#eee5d1;margin:7px 0;font-size:14px}
.footer-note{border-top:1px solid rgba(225,190,91,.25);padding-top:24px;color:#d8ccb2}.copyright{color:#bfb39b;font-size:13px}
.overlay,.channel-panel,.search-dialog{visibility:hidden;opacity:0;pointer-events:none;transition:.2s ease}
.overlay.open,.channel-panel.open,.search-dialog.open{visibility:visible;opacity:1;pointer-events:auto}
.overlay{position:fixed;inset:0;background:rgba(24,18,8,.54);z-index:80}
.channel-panel,.search-dialog{position:fixed;inset:0;z-index:90;display:flex;justify-content:center;align-items:flex-start;padding-top:105px}
.panel-card{width:min(1320px,calc(100% - 40px));max-height:70vh;overflow:auto;background:var(--bg);border:1px solid var(--border2);box-shadow:var(--shadow);border-radius:14px;padding:22px}
.search-dialog{align-items:center;padding:20px}.search-card{width:min(680px,calc(100% - 32px));background:var(--bg);padding:24px;border-radius:14px;border:1px solid var(--border2);box-shadow:var(--shadow)}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:18px}.panel-brand{display:flex;align-items:center;gap:12px}.panel-logo{max-height:34px;width:auto}
.close-btn{font-size:28px;padding:4px 14px;background:var(--bg)}
.panel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}.panel-grid h3{color:var(--deepgold)}
.panel-grid a{display:block;padding:10px 0;border-bottom:1px solid var(--border)}.panel-grid a strong,.panel-grid a span{display:block}.panel-grid a span{color:var(--soft);font-size:13px}
.search-card input{width:100%;min-height:52px;border:1px solid var(--border2);border-radius:9px;padding:0 14px;background:#fff;color:var(--ink)}
.search-links{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin-top:18px}.search-links a{padding:11px 12px;border:1px solid var(--border);border-radius:8px}.search-help,.no-result{color:var(--soft);font-size:14px}
.mobile-nav{display:none}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid var(--gold2);outline-offset:3px}
@media(max-width:980px){.panel-grid{grid-template-columns:repeat(2,1fr)}.index-grid{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(2,1fr)}.steps{grid-template-columns:repeat(4,1fr)}}
@media(max-width:760px){
  .shell{width:min(100% - 32px,1320px)}.age-line{height:auto;padding:5px 0}.age-line .shell{font-size:11px}
  .header-inner{height:68px;grid-template-columns:1fr auto 1fr;gap:8px}.desktop-label,.rule-link{display:none}.header-left{gap:4px}.header-right .primary{padding:8px 10px}.brand{min-width:0}.brand-text{font-size:18px}
  .index-grid{grid-template-columns:repeat(2,1fr)}.hero,.page-hero,.section{padding:38px 0}
  .grid-2,.grid-3,.grid-4,.asym,.track-grid,.article-grid{grid-template-columns:1fr}.track-grid .wide,.track-grid .full{grid-row:auto;grid-column:auto}
  .steps{grid-template-columns:1fr}.step{padding:10px 0 10px 32px;border-left:2px solid var(--gold)}.step::before{display:none}.step::after{top:18px;left:-7px}
  .program-row{grid-template-columns:1fr}.footer-groups{grid-template-columns:repeat(2,1fr)}
  .channel-panel{align-items:flex-end;padding:0}.panel-card{width:100%;max-height:82vh;border-radius:18px 18px 0 0}.panel-grid{grid-template-columns:1fr}
  .mobile-nav{display:grid;grid-template-columns:repeat(5,1fr);position:fixed;left:0;right:0;bottom:0;z-index:50;background:var(--bg);border-top:1px solid var(--border2);padding-bottom:env(safe-area-inset-bottom);height:calc(58px + env(safe-area-inset-bottom))}
  .mobile-nav a{min-height:58px;display:flex;align-items:center;justify-content:center;font-size:13px}.mobile-nav a.active{background:var(--cream);border-top:3px solid var(--gold);font-weight:700;color:var(--ink)}
  body{padding-bottom:calc(58px + env(safe-area-inset-bottom))}.site-footer{padding-bottom:95px}
}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}