:root{
  --bg:#0C0B0A;--deep:#161311;--panel:#1C1916;--panel2:#26221D;--paper:#F3E6D2;
  --title:#FFF8F0;--text:#EDE4D8;--muted:#B7A898;--faint:#8A7B6C;
  --red:#E11D2E;--red2:#FF4A4F;--wine:#8B1E2D;--rust:#E25A2A;--amber:#E2B14A;
  --border:rgba(226,177,74,.16);--redborder:rgba(225,29,46,.40);--shadow:0 18px 44px rgba(0,0,0,.46);
  --max:1280px;--reading:800px;
}
*{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","Noto Sans SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.8;overflow-wrap:anywhere}
body.modal-open{position:fixed;left:0;right:0;width:100%;overflow:hidden}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{color:inherit}
img{max-width:100%;height:auto}
.skip-link{position:fixed;left:12px;top:-70px;z-index:200;background:var(--paper);color:#261f19;padding:10px 14px;border-radius:6px}
.skip-link:focus{top:12px}
.site-header{position:sticky;top:0;z-index:30;background:rgba(12,11,10,.96);border-bottom:1px solid var(--border);backdrop-filter:saturate(120%) blur(10px)}
.header-inner{max-width:var(--max);min-height:80px;margin:auto;padding:12px 24px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand-link{display:inline-flex;align-items:center;gap:12px;min-width:0}
.brand-logo-img{display:block;height:32px;width:auto;max-width:170px;object-fit:contain;object-position:center;flex:0 0 auto}
.brand-logo-fallback{display:inline-flex;align-items:center;min-height:32px;padding:0 8px;border:1px solid var(--redborder);color:var(--title);font-weight:800;letter-spacing:.08em}
.brand-wording{display:flex;flex-direction:column;line-height:1.25;min-width:0}
.brand-wording strong{font-size:18px;color:var(--title);letter-spacing:.08em}
.brand-wording small{font-size:11px;color:var(--muted);letter-spacing:.14em;white-space:nowrap}
.header-actions{display:flex;align-items:center;gap:8px}
.header-link,.header-button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:8px 13px;border:1px solid transparent;border-radius:6px;background:transparent;color:var(--text);cursor:pointer}
.header-link:hover,.header-button:hover{border-color:var(--redborder);background:rgba(225,29,46,.08)}
.header-link:focus-visible,.header-button:focus-visible,.modal-close:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--amber);outline-offset:3px}
.mobile-actions{display:none}
.channel-nav{border-bottom:1px solid var(--border);background:var(--deep)}
.channel-nav-inner{max-width:var(--max);margin:auto;padding:14px 24px}
.desktop-channel-nav{display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}
.channel-group{display:grid;grid-template-columns:78px minmax(0,1fr);align-items:start;gap:12px;padding:0 22px;border-right:1px solid var(--border);min-width:0}
.channel-group:first-child{padding-left:0}.channel-group:last-child{border-right:0;padding-right:0}
.channel-group-name{font-size:13px;color:var(--amber);letter-spacing:.08em;padding-top:6px}
.channel-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px 10px}
.channel-links a,.mobile-channel-nav a{position:relative;display:flex;align-items:center;min-height:36px;padding:4px 6px;color:var(--muted);border-radius:4px}
.current-dot{display:none;width:6px;height:6px;border-radius:50%;background:var(--red);margin-right:7px;flex:0 0 auto}
.channel-links a.is-current,.mobile-channel-nav a.is-current{color:var(--title);background:rgba(225,29,46,.08)}
.channel-links a.is-current .current-dot,.mobile-channel-nav a.is-current .current-dot{display:inline-block}
.mobile-channel-nav{display:none}
.site-main{max-width:var(--max);margin:0 auto;padding:0 24px 70px}
section[id],article[id],h2[id],h3[id]{scroll-margin-top:110px}
.breadcrumb{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin:28px 0 10px;color:var(--faint);font-size:14px}
.breadcrumb a{color:var(--muted)}
.page-hero{padding:34px 0 24px;border-bottom:1px solid var(--border)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--amber);font-size:13px;letter-spacing:.08em;text-transform:uppercase}
.eyebrow:before{content:"";width:24px;height:2px;background:var(--red);pointer-events:none}
h1,h2,h3{line-height:1.28;color:var(--title);margin-top:0}
h1{font-size:32px;margin:12px 0 14px;letter-spacing:.01em}
h2{font-size:24px;margin-bottom:14px}
h3{font-size:18px;margin-bottom:8px}
p{margin:0 0 16px}
.lead{max-width:var(--reading);font-size:18px;color:var(--muted)}
.reading-column{max-width:var(--reading)}
.section{padding:48px 0;border-bottom:1px solid var(--border)}
.section:last-child{border-bottom:0}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:22px}
.section-head p{max-width:640px;color:var(--muted);margin:0}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.grid-6{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--border);border:1px solid var(--border)}
.editor-unit,.plain-unit,.topic-unit,.service-unit{min-width:0}
.editor-unit{background:var(--panel);border:1px solid var(--border);border-radius:8px;padding:18px}
.plain-unit{background:var(--bg);padding:22px}
.topic-unit{background:var(--panel);padding:20px}
.topic-unit small,.status small{display:block;color:var(--amber);margin-bottom:6px}
.topic-unit p,.editor-unit p{color:var(--muted)}
.media-box{display:flex;justify-content:center;align-items:center;background:var(--deep);border:1px solid var(--border);border-radius:8px;padding:14px;margin:0 0 18px;min-width:0}
.media-box img{display:block;width:auto;height:auto;max-width:100%;max-height:240px;object-fit:contain;object-position:center}
.media-box.cover img{max-height:300px}
.media-box.app-media img{max-height:420px}
.media-fallback{background:linear-gradient(135deg,var(--wine),var(--bg));border:1px solid var(--redborder);padding:34px 24px;border-radius:8px;color:var(--title)}
.media-fallback strong{display:block;font-size:22px;margin-bottom:8px}
.hero-home{padding:50px 0 28px}
.hero-home .hero-copy{max-width:820px}
.hero-home h1{font-size:34px}
.hero-tagline{font-size:26px;color:var(--title);font-weight:700;margin:6px 0 14px}
.button-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.button-primary,.button-secondary{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 18px;border-radius:6px;font-weight:700}
.button-primary{background:linear-gradient(135deg,#FF4A4F 0%,#E11D2E 46%,#E25A2A 100%);color:#FFF8F0;box-shadow:0 8px 24px rgba(225,29,46,.18)}
.button-secondary{background:var(--paper);color:#291f18}
.text-link{display:inline-flex;align-items:center;min-height:44px;color:var(--paper);font-weight:700}
.text-link:after{content:"→";margin-left:8px;color:var(--red2);pointer-events:none}
.split-feature{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:32px;align-items:start}
.split-feature.reverse{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr)}
.bullet-list,.number-list,.link-list{margin:0;padding:0;list-style:none}
.bullet-list li{position:relative;padding:13px 0 13px 24px;border-bottom:1px solid var(--border);color:var(--muted)}
.bullet-list li:before{content:"";position:absolute;left:0;top:24px;width:7px;height:7px;background:var(--red);border-radius:50%;pointer-events:none}
.number-list{counter-reset:item}
.number-list li{counter-increment:item;display:grid;grid-template-columns:34px minmax(0,1fr);gap:10px;padding:14px 0;border-bottom:1px solid var(--border)}
.number-list li:before{content:counter(item,decimal-leading-zero);color:var(--red2);font-weight:800}
.status-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:22px}
.status{border:1px solid var(--border);background:var(--panel);padding:16px;border-radius:6px}
.status strong{display:block;color:var(--title);margin-bottom:6px}
.status:before{content:"状态说明";display:inline-block;font-size:11px;color:var(--amber);border:1px solid var(--border);padding:1px 6px;margin-bottom:8px;border-radius:99px}
.timeline{border-left:2px solid var(--redborder);padding-left:22px}
.timeline article{position:relative;padding:0 0 24px}
.timeline article:before{content:"";position:absolute;left:-29px;top:8px;width:12px;height:12px;background:var(--bg);border:3px solid var(--red);border-radius:50%;pointer-events:none}
.timeline article:last-child{padding-bottom:0}
.note-box{border-left:3px solid var(--rust);background:var(--panel);padding:18px 20px;color:var(--muted)}
.wine-band{background:linear-gradient(135deg,#331014,#17100e);border:1px solid var(--redborder);border-radius:8px;padding:26px}
.wine-band p{max-width:840px;color:var(--text)}
.definition-table{display:grid;grid-template-columns:220px minmax(0,1fr);border-top:1px solid var(--border);border-left:1px solid var(--border)}
.definition-table dt,.definition-table dd{margin:0;padding:14px 16px;border-right:1px solid var(--border);border-bottom:1px solid var(--border)}
.definition-table dt{color:var(--title);font-weight:700;background:var(--panel)}
.definition-table dd{color:var(--muted)}
.article-index{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 6px}
.article-index a{display:inline-flex;align-items:center;min-height:44px;padding:7px 11px;border:1px solid var(--border);border-radius:5px;color:var(--muted)}
.article-index a:hover{border-color:var(--redborder);color:var(--title)}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 22px}
.tag{display:inline-flex;align-items:center;min-height:32px;padding:3px 10px;border:1px solid var(--border);border-radius:99px;color:var(--muted);font-size:14px}
.related-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:20px}
.related-links a{min-height:44px;padding:12px 14px;background:var(--panel);border:1px solid var(--border);border-radius:5px}
.related-links a:hover{border-color:var(--redborder)}
details.faq-item{border-bottom:1px solid var(--border);padding:0}
details.faq-item summary{cursor:pointer;color:var(--title);font-weight:700;padding:18px 0;min-height:44px}
details.faq-item p{color:var(--muted);padding:0 0 18px;max-width:var(--reading)}
.site-footer{background:#080706;border-top:1px solid var(--redborder);color:#D8CBBA}
.footer-inner{max-width:var(--max);margin:auto;padding:40px 24px 92px}
.footer-brand{display:flex;align-items:flex-start;justify-content:space-between;gap:32px;padding-bottom:30px;border-bottom:1px solid var(--border)}
.footer-brand p{max-width:620px;color:var(--muted)}
.footer-brand-link{flex:0 0 auto}
.footer-directory{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:22px;padding:30px 0}
.footer-group h2{font-size:14px;color:var(--paper);margin:0 0 12px}
.footer-group a{display:block;color:var(--muted);padding:4px 0}
.footer-group a.is-current{color:var(--title);text-decoration:underline;text-decoration-color:var(--red);text-underline-offset:5px}
.footer-note{max-width:920px;color:var(--faint);font-size:14px;padding-top:22px;border-top:1px solid var(--border)}
.copyright{color:var(--muted);font-size:14px}
.site-overlay{position:fixed;inset:0;z-index:60;background:rgba(0,0,0,.72)}
.site-overlay[hidden],.modal-shell[hidden]{display:none!important;pointer-events:none!important}
.modal-shell{position:fixed;inset:0;z-index:70;display:flex;align-items:center;justify-content:center;padding:30px;pointer-events:auto}
.directory-panel,.search-panel{width:min(960px,100%);max-height:88vh;overflow:auto;background:var(--panel);border:1px solid var(--redborder);box-shadow:var(--shadow);border-radius:10px;padding:22px}
.search-panel{width:min(720px,100%)}
.modal-head{display:flex;justify-content:space-between;align-items:center;gap:18px;padding-bottom:16px;border-bottom:1px solid var(--border)}
.modal-head>div{min-width:0}
.modal-head strong{display:block;color:var(--title);font-size:20px}
.modal-head small{display:block;color:var(--muted)}
.modal-brand{display:flex;align-items:center;gap:12px}
.modal-close{min-width:54px;min-height:44px;border:1px solid var(--border);background:var(--deep);border-radius:5px;cursor:pointer}
.directory-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px 18px;padding-top:20px}
.directory-group h2{font-size:15px;color:var(--amber);border-bottom:1px solid var(--border);padding-bottom:8px;margin-bottom:6px}
.directory-item{display:block;padding:10px 8px;border-radius:5px}
.directory-item strong{display:block;color:var(--title);font-size:15px}
.directory-item span{display:block;color:var(--muted);font-size:13px;line-height:1.6}
.directory-item:hover,.directory-item.is-current{background:rgba(225,29,46,.08)}
.search-field{padding:20px 0 12px}
.search-field label{display:block;color:var(--paper);margin-bottom:8px}
.search-field input{width:100%;min-height:48px;background:var(--deep);border:1px solid var(--border);color:var(--text);padding:10px 12px;border-radius:5px}
.search-common{display:flex;flex-wrap:wrap;gap:8px;align-items:center;padding:4px 0 16px}
.search-common span{color:var(--faint);font-size:14px}
.search-common a{display:inline-flex;align-items:center;min-height:36px;padding:4px 10px;border:1px solid var(--border);border-radius:99px;color:var(--muted)}
.search-results{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.search-result{display:block;padding:12px;border:1px solid var(--border);border-radius:5px}
.search-result strong{display:block;color:var(--title)}
.search-result span{display:block;color:var(--muted);font-size:13px;line-height:1.55}
.search-empty{color:var(--muted);margin:10px 0}
.mobile-bottom-nav{display:none}
@media (max-width:1024px){
  .desktop-channel-nav{grid-template-columns:1fr}
  .channel-group{grid-template-columns:90px minmax(0,1fr);padding:8px 0;border-right:0;border-bottom:1px solid var(--border)}
  .channel-group:last-child{border-bottom:0}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-directory{grid-template-columns:repeat(3,minmax(0,1fr))}
  .split-feature,.split-feature.reverse{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .header-inner{min-height:68px;padding:10px 16px;gap:12px}
  .brand-wording{display:none}
  .brand-logo-img{height:30px;max-width:140px}
  .desktop-actions,.desktop-channel-nav{display:none}
  .mobile-actions,.mobile-channel-nav{display:flex}
  .mobile-channel-nav{padding:8px 16px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:4px}
  .mobile-channel-nav a{justify-content:center;text-align:center;padding:4px;min-width:0}
  .site-main{padding:0 16px 92px}
  h1{font-size:27px}
  h2{font-size:22px}
  .hero-home{padding-top:36px}
  .hero-home h1{font-size:29px}
  .hero-tagline{font-size:22px}
  .section{padding:34px 0}
  .section-head{display:block}
  .grid-2,.grid-3,.split-feature,.split-feature.reverse{grid-template-columns:1fr}
  .grid-6{grid-template-columns:repeat(2,minmax(0,1fr))}
  .status-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .related-links{grid-template-columns:1fr}
  .media-box img{max-height:220px}
  .media-box.cover img{max-height:280px}
  .media-box.app-media img{max-height:360px}
  .definition-table{grid-template-columns:1fr}
  .definition-table dt{border-bottom:0}
  .footer-brand{display:block}
  .footer-brand-link{margin-bottom:18px}
  .footer-directory{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-inner{padding:34px 16px calc(88px + env(safe-area-inset-bottom))}
  .mobile-bottom-nav{position:fixed;left:0;right:0;bottom:0;z-index:40;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));min-height:calc(56px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#0a0807;border-top:1px solid var(--border)}
  .mobile-bottom-nav a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-height:56px;color:var(--muted);font-size:12px}
  .mobile-nav-mark{width:18px;height:2px;background:var(--faint);pointer-events:none}
  .mobile-bottom-nav a.is-current{color:var(--title)}
  .mobile-bottom-nav a.is-current .mobile-nav-mark{background:var(--red);height:3px}
  .modal-shell{align-items:flex-end;padding:0}
  .directory-panel{width:100%;max-height:88dvh;max-height:88vh;border-radius:12px 12px 0 0;padding:18px 16px calc(18px + env(safe-area-inset-bottom))}
  .search-shell{align-items:stretch}
  .search-panel{width:100%;max-width:none;max-height:100dvh;max-height:100vh;border-radius:0;padding:18px 16px calc(18px + env(safe-area-inset-bottom))}
  .directory-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 12px}
  .search-results{grid-template-columns:1fr}
}
@media (max-width:390px){
  .mobile-channel-nav{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-6,.status-grid,.directory-grid,.footer-directory{grid-template-columns:1fr}
  .header-actions{gap:4px}
  .header-button{padding:7px 9px}
  .brand-logo-img{max-width:118px}
}
@media (prefers-reduced-motion:reduce){
  *{scroll-behavior:auto!important;transition:none!important;animation:none!important}
}