:root{
  --bg:#0C0B0A;--bg-deep:#161311;--panel:#1C1916;--panel-2:#26221D;--paper:#F3E6D2;
  --title:#FFF8F0;--text:#EDE4D8;--muted:#B7A898;--soft:#8A7B6C;--red:#E11D2E;--red-hi:#FF4A4F;
  --wine:#8B1E2D;--rust:#E25A2A;--amber:#E2B14A;--border:rgba(226,177,74,.16);--border-strong:rgba(225,29,46,.40);
  --shadow:0 18px 44px rgba(0,0,0,.46);--footer:#080706;--footer-text:#D8CBBA;--max:1280px;--read: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","PingFang SC","Hiragino Sans GB","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}
a:hover{text-decoration:none}
button,input{font:inherit}
button{color:inherit}
img{display:block;max-width:100%;height:auto}
main{min-height:55vh}
section[id],article[id],h2[id],h3[id]{scroll-margin-top:104px}
.shell{width:min(calc(100% - 40px),var(--max));margin-inline:auto;min-width:0}
.skip-link{position:fixed;left:12px;top:12px;z-index:2000;transform:translateY(-150%);background:var(--paper);color:#241710;padding:10px 14px;border-radius:6px}
.skip-link:focus{transform:none}
.site-header{position:sticky;top:0;z-index:60;background:rgba(12,11,10,.96);border-bottom:1px solid var(--border);backdrop-filter:blur(10px)}
.header-inner{min-height:80px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:inline-flex;align-items:center;gap:12px;min-width:0;min-height:44px}
.brand-logo{height:32px;width:auto;max-width:190px;object-fit:contain;object-position:center;flex:0 0 auto}
.brand-logo-text{display:inline-flex;align-items:center;justify-content:center;min-height:32px;padding:2px 8px;border:1px solid var(--border-strong);color:var(--paper);font-weight:800;letter-spacing:.08em}
.brand-copy{display:flex;flex-direction:column;min-width:0;line-height:1.15}
.brand-copy strong{color:var(--title);font-size:18px;letter-spacing:.08em}
.brand-copy small{color:var(--muted);font-size:10px;letter-spacing:.18em;margin-top:5px}
.header-actions{display:flex;align-items:center;gap:8px}
.header-link,.header-button{min-height:44px;padding:9px 14px;border:1px solid transparent;border-radius:6px;background:transparent;color:var(--text);cursor:pointer}
.header-link:hover,.header-button:hover,.header-link:focus-visible,.header-button:focus-visible{border-color:var(--border-strong);background:rgba(225,29,46,.08);outline:none}
.mobile-actions{display:none}
.channel-nav{background:var(--bg-deep);border-bottom:1px solid var(--border)}
.channel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0}
.channel-group{padding:18px 26px 18px 0;min-width:0}
.channel-group+ .channel-group{padding-left:26px;border-left:1px solid var(--border)}
.channel-group h2{margin:0 0 10px;color:var(--amber);font-size:12px;letter-spacing:.16em;font-weight:700}
.channel-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:5px 16px}
.channel-links a,.mobile-channel-grid a{position:relative;min-height:36px;display:flex;align-items:center;color:var(--muted);font-size:14px}
.channel-links a.is-current,.mobile-channel-grid a.is-current{color:var(--title);font-weight:700;padding-left:13px}
.channel-links a.is-current::before,.mobile-channel-grid a.is-current::before{content:"";position:absolute;left:0;width:6px;height:6px;border-radius:50%;background:var(--red)}
.mobile-channel-grid{display:none}

.breadcrumbs{width:min(calc(100% - 40px),var(--max));margin:28px auto 0;color:var(--soft);font-size:14px}
.breadcrumbs a{color:var(--muted)}
.breadcrumbs span{margin:0 8px;color:var(--soft)}
.page-wrap{width:min(calc(100% - 40px),var(--max));margin:0 auto;padding:36px 0 72px}
.page-wrap.narrow{max-width:var(--read)}
.page-intro{max-width:900px;margin-bottom:34px}
.eyebrow{color:var(--red-hi);font-size:12px;letter-spacing:.18em;font-weight:800;text-transform:uppercase;margin-bottom:8px}
h1,h2,h3{color:var(--title);line-height:1.28;margin-top:0}
h1{font-size:clamp(28px,3vw,34px);margin-bottom:18px;letter-spacing:.01em}
h2{font-size:22px;margin-bottom:14px}
h3{font-size:17px;margin-bottom:8px}
p{margin:0 0 1em}
.lead{font-size:18px;line-height:1.9;color:var(--paper);max-width:860px}
.article-shell{display:grid;grid-template-columns:minmax(0,var(--read)) minmax(220px,1fr);gap:54px;align-items:start}
.article-main{min-width:0}
.article-aside{min-width:0;position:relative;border-left:1px solid var(--border);padding-left:24px}
.article-aside .aside-box{padding:18px 0;border-bottom:1px solid var(--border)}
.article-aside a{display:block;color:var(--paper);padding:7px 0}
.article-main section{padding:30px 0;border-top:1px solid var(--border)}
.article-main section:first-of-type{border-top:0}
.article-main ul,.article-main ol{padding-left:1.25em;margin:0 0 1.2em}
.article-main li{margin:.45em 0;color:var(--text)}
.note-box{margin:22px 0;padding:18px 20px;background:var(--panel);border:1px solid var(--border);border-left:3px solid var(--amber)}
.editor-observation{margin:24px 0;padding:20px;background:linear-gradient(180deg,rgba(139,30,45,.18),rgba(28,25,22,.9));border:1px solid var(--border-strong)}
.editor-observation strong{color:var(--red-hi)}
.related-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;padding-top:24px;border-top:1px solid var(--border)}
.related-links a,.text-link{display:inline-flex;align-items:center;min-height:44px;padding:9px 14px;border:1px solid var(--border);border-radius:6px;color:var(--paper)}
.related-links a:hover,.text-link:hover{border-color:var(--border-strong);background:rgba(225,29,46,.08)}

.media-block{margin:26px 0 34px}
.media-inner{display:flex;align-items:center;justify-content:center;min-width:0;padding:14px;background:var(--bg-deep);border:1px solid var(--border);border-radius:8px}
.media-inner img{width:auto;height:auto;max-width:100%;max-height:240px;object-fit:contain;object-position:center}
.hero-media .media-inner img{max-height:300px}
.app-media .media-inner img{max-height:420px}
.mark-media .media-inner img{max-height:72px;max-width:72px}
.media-fallback{padding:22px;background:linear-gradient(135deg,var(--wine),var(--bg-deep));border:1px solid var(--border-strong);border-radius:8px}
.media-fallback strong{display:block;color:var(--title);font-size:20px;margin-bottom:6px}
.media-fallback p{margin:0;color:var(--paper)}

.home-page{padding-top:34px}
.home-hero{display:grid;grid-template-columns:minmax(0,.95fr) minmax(360px,1.05fr);gap:46px;align-items:center;padding:30px 0 48px}
.home-hero h1{font-size:clamp(34px,5vw,64px);margin-bottom:8px}
.hero-sentence{font-size:clamp(22px,3vw,34px);line-height:1.35;color:var(--paper);font-weight:700;margin-bottom:20px}
.hero-copy{color:var(--muted);max-width:700px}
.button-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 18px;border-radius:6px;font-weight:700}
.btn-primary{background:linear-gradient(135deg,#FF4A4F 0%,#E11D2E 46%,#E25A2A 100%);color:#fff8f0}
.btn-secondary{background:var(--paper);color:#2a1b12}
.home-section{padding:48px 0;border-top:1px solid var(--border)}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:24px}
.section-head p{max-width:680px;color:var(--muted);margin:0}
.guide-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;border-top:1px solid var(--border);border-left:1px solid var(--border)}
.guide-item{min-width:0;padding:20px;border-right:1px solid var(--border);border-bottom:1px solid var(--border)}
.guide-item small{display:inline-flex;color:var(--amber);margin-bottom:8px}
.guide-item h3{font-size:18px}
.guide-item p{color:var(--muted);margin:0}
.guide-item a{display:inline-flex;margin-top:10px;color:var(--paper);font-weight:700}
.split-feature{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:36px;align-items:start}
.split-feature.reverse{grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr)}
.split-feature .media-block{margin:0}
.topic-list{display:grid;gap:0;border-top:1px solid var(--border)}
.topic-list article{padding:16px 0;border-bottom:1px solid var(--border)}
.topic-list article p{color:var(--muted);margin:0}
.two-up{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
.editor-card{padding:0 0 24px;border-bottom:1px solid var(--border);min-width:0}
.editor-card .media-block{margin:0 0 18px}
.editor-card p{color:var(--muted)}
.point-list{display:grid;gap:8px;margin-top:16px}
.point-list div{padding:10px 0;border-top:1px solid var(--border);color:var(--text)}
.argument-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:34px}
.argument-column{padding-top:18px;border-top:2px solid var(--red)}
.argument-column p{color:var(--muted)}
.stage-list{counter-reset:step;display:grid;gap:16px}
.stage-item{position:relative;padding:18px 18px 18px 56px;background:var(--panel);border:1px solid var(--border)}
.stage-item::before{counter-increment:step;content:counter(step);position:absolute;left:18px;top:18px;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;background:var(--red);color:#fff;font-weight:800;font-size:13px}
.status-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:22px}
.status-item{padding:16px;border:1px solid var(--border);background:var(--panel);border-top:3px solid var(--red)}
.status-item:nth-child(2n){border-top-color:var(--amber)}
.status-item strong{display:block;color:var(--title);margin-bottom:5px}
.status-item span{color:var(--muted);font-size:14px}
.dossier-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:34px}
.dossier-index{display:grid;gap:0}
.dossier-index a{padding:12px 0;border-bottom:1px solid var(--border);color:var(--paper)}
.brief-grid{display:grid;grid-template-columns:1fr 1fr;gap:34px}
.clue-band{padding:28px;background:linear-gradient(135deg,rgba(139,30,45,.72),rgba(22,19,17,.95));border:1px solid var(--border-strong);border-radius:8px}
.mobile-read{display:grid;grid-template-columns:minmax(240px,.7fr) minmax(0,1.3fr);gap:40px;align-items:center}
.final-three{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.final-three article{padding:22px;background:var(--panel);border:1px solid var(--border)}
.final-three p{color:var(--muted)}

.definition-list{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.definition-item{padding:18px;border:1px solid var(--border);background:var(--panel)}
.definition-item strong{display:block;color:var(--title);margin-bottom:7px}
.definition-item p{color:var(--muted);margin:0}
.anchor-menu{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 24px}
.anchor-menu a{display:inline-flex;min-height:40px;align-items:center;padding:7px 11px;border:1px solid var(--border);border-radius:5px;color:var(--paper)}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0 24px}
.tag-row span{padding:5px 10px;border:1px solid var(--border);border-radius:999px;color:var(--muted);font-size:14px}
.qa-list{max-width:900px}
details.qa{border-top:1px solid var(--border)}
details.qa:last-child{border-bottom:1px solid var(--border)}
details.qa summary{cursor:pointer;list-style:none;padding:18px 42px 18px 0;color:var(--title);font-weight:700;position:relative;min-height:58px}
details.qa summary::-webkit-details-marker{display:none}
details.qa summary::after{content:"+";position:absolute;right:4px;top:17px;color:var(--red-hi);font-size:22px}
details.qa[open] summary::after{content:"−"}
details.qa p{padding:0 0 20px;color:var(--muted);max-width:820px}

.site-footer{background:var(--footer);color:var(--footer-text);border-top:2px solid var(--red);padding:42px 0 34px}
.footer-brand-row{display:flex;justify-content:space-between;align-items:center;gap:24px;padding-bottom:30px;border-bottom:1px solid var(--border)}
.footer-brand-row>p{max-width:620px;color:var(--muted);margin:0}
.footer-directory{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:24px;padding:30px 0}
.footer-directory section{min-width:0}
.footer-directory h2{font-size:13px;color:var(--amber);margin-bottom:10px}
.footer-directory a{display:block;padding:4px 0;color:var(--muted);font-size:14px}
.footer-directory a.is-current{color:var(--title);font-weight:700}
.footer-note{padding-top:22px;border-top:1px solid var(--border);color:var(--soft);font-size:13px}

.overlay{position:fixed;inset:0;z-index:90;background:rgba(0,0,0,.72);pointer-events:none}
.overlay[hidden],.modal-shell[hidden]{display:none!important;pointer-events:none!important}
.modal-shell{position:fixed;z-index:100;background:var(--panel);border:1px solid var(--border-strong);box-shadow:var(--shadow);min-width:0;overflow:auto}
.directory-modal{left:50%;top:50%;transform:translate(-50%,-50%);width:min(960px,calc(100% - 40px));max-height:min(86vh,820px);padding:24px}
.search-modal{left:50%;top:50%;transform:translate(-50%,-50%);width:min(680px,calc(100% - 40px));max-height:min(82vh,760px);padding:24px}
.modal-head{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-bottom:18px;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);margin-top:4px}
.modal-brand{display:flex;align-items:center;gap:12px}
.modal-logo{height:30px}
.icon-button{width:44px;height:44px;display:grid;place-items:center;border:1px solid var(--border);background:transparent;border-radius:6px;cursor:pointer;font-size:26px;line-height:1}
.icon-button:hover,.icon-button:focus-visible{border-color:var(--red);outline:none}
.directory-panel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;padding-top:22px}
.directory-panel-group h2{font-size:14px;color:var(--amber);margin-bottom:8px}
.directory-entry{display:block;padding:11px 0;border-top:1px solid var(--border)}
.directory-entry strong{display:block;color:var(--paper);font-size:15px}
.directory-entry span{display:block;color:var(--muted);font-size:12px;line-height:1.55;margin-top:3px}
.directory-entry.is-current strong{color:var(--red-hi)}
.search-field{padding:20px 0 12px}
.search-field label{display:block;color:var(--paper);font-weight:700;margin-bottom:8px}
.search-field input{width:100%;min-height:48px;border:1px solid var(--border);background:var(--bg-deep);color:var(--title);border-radius:6px;padding:10px 12px;outline:none}
.search-field input:focus{border-color:var(--red)}
.search-field p{font-size:13px;color:var(--soft);margin:6px 0 0}
.search-status{color:var(--amber);font-size:13px;margin:8px 0}
.search-results{display:grid;gap:0}
.search-entry{padding:12px 0;border-top:1px solid var(--border)}
.search-entry strong{display:block;color:var(--paper)}
.search-entry span{display:block;color:var(--muted);font-size:13px;line-height:1.55}
.search-empty{padding:14px 0;color:var(--muted)}
.mobile-bottom-nav{display:none}

@media (max-width:1024px){
  .footer-directory{grid-template-columns:repeat(3,minmax(0,1fr))}
  .home-hero{grid-template-columns:1fr;gap:26px}
  .home-hero .hero-media{max-width:760px}
  .article-shell{grid-template-columns:minmax(0,1fr) 240px;gap:34px}
  .guide-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .status-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:768px){
  .shell,.page-wrap,.breadcrumbs{width:min(calc(100% - 32px),var(--max))}
  .header-inner{min-height:68px;gap:10px}
  .brand-copy strong{font-size:16px}.brand-copy small{font-size:9px}.brand-logo{height:30px;max-width:145px}
  .desktop-actions,.desktop-channel-grid{display:none}.mobile-actions{display:flex}.mobile-channel-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0}
  .mobile-channel-grid a{min-height:42px;border-bottom:1px solid var(--border);padding:0 12px}
  .mobile-channel-grid a:nth-child(odd){border-right:1px solid var(--border)}
  .page-wrap{padding:28px 0 96px}.home-page{padding-top:20px;padding-bottom:90px}
  .breadcrumbs{margin-top:20px}
  h1{font-size:clamp(24px,8vw,28px)}.lead{font-size:17px}
  .article-shell{display:block}.article-aside{margin-top:32px;border-left:0;border-top:1px solid var(--border);padding:18px 0 0}
  .home-hero{padding:20px 0 38px}.hero-sentence{font-size:24px}.home-section{padding:38px 0}
  .split-feature,.split-feature.reverse,.argument-grid,.dossier-grid,.brief-grid,.mobile-read{grid-template-columns:1fr;gap:24px}
  .two-up,.final-three{grid-template-columns:1fr}
  .status-grid{grid-template-columns:1fr}.definition-list{grid-template-columns:1fr}
  .media-inner img{max-height:220px}.hero-media .media-inner img{max-height:300px}.app-media .media-inner img{max-height:360px}
  .directory-modal{left:0;right:0;bottom:0;top:auto;transform:none;width:100%;max-height:88dvh;max-height:min(88dvh,100vh);border-radius:14px 14px 0 0;padding:20px 16px}
  .directory-panel-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 16px}
  .search-modal{inset:0;transform:none;width:100%;height:100dvh;max-height:none;border:0;padding:20px 16px}
  .mobile-bottom-nav{position:fixed;left:0;right:0;bottom:0;z-index:70;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:rgba(8,7,6,.98);border-top:1px solid var(--border)}
  .mobile-bottom-nav a{min-width:0;min-height:56px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;color:var(--muted);font-size:12px}
  .mobile-bottom-nav a.is-current{color:var(--title);font-weight:700}.nav-dot{width:5px;height:5px;border-radius:50%;background:transparent}.mobile-bottom-nav a.is-current .nav-dot{background:var(--red)}
  .site-footer{padding-bottom:calc(92px + env(safe-area-inset-bottom))}.footer-brand-row{align-items:flex-start;flex-direction:column}.footer-directory{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
}
@media (max-width:390px){
  .shell,.page-wrap,.breadcrumbs{width:calc(100% - 32px)}
  .brand-copy small{display:none}.header-button{padding:8px 10px}.header-actions{gap:4px}
  .guide-grid{grid-template-columns:1fr}.directory-panel-grid{grid-template-columns:1fr}.footer-directory{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}