:root{
--bg:#0C0B0A;--deep:#161311;--surface:#1C1916;--surface2:#26221D;--paper:#F3E6D2;
--title:#FFF8F0;--text:#EDE4D8;--muted:#B7A898;--soft:#8A7B6C;--red:#E11D2E;
--redhi:#FF4A4F;--wine:#8B1E2D;--orange:#E25A2A;--amber:#E2B14A;
--border:rgba(226,177,74,.16);--borderStrong:rgba(225,29,46,.40);--shadow:0 18px 44px rgba(0,0,0,.46);
--max:1280px;--reading:790px;--headerH:80px}
*{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{width:100%;overflow:hidden}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{color:inherit}
img{display:block;max-width:100%;width:auto;height:auto;object-fit:contain;object-position:center}
[hidden]{display:none!important}
:focus-visible{outline:3px solid var(--amber);outline-offset:3px}
.skip-link{position:fixed;left:16px;top:12px;z-index:1200;transform:translateY(-180%);background:var(--paper);color:#2b211a;padding:8px 12px;border-radius:6px}
.skip-link:focus{transform:translateY(0)}
.site-header{position:sticky;top:0;z-index:300;background:rgba(12,11,10,.96);border-bottom:1px solid var(--border);backdrop-filter:saturate(120%) blur(12px)}
.header-inner{max-width:var(--max);min-height:var(--headerH);margin:0 auto;padding:12px 24px;display:flex;align-items:center;justify-content:space-between;gap:24px;min-width:0}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand-logo{height:34px;width:auto;max-width:150px;flex:0 0 auto;object-fit:contain}
.brand-text-fallback{font-weight:800;color:var(--title);letter-spacing:.08em;white-space:nowrap}
.brand-copy{display:grid;line-height:1.1;min-width:0}
.brand-copy strong{color:var(--title);font-size:18px;letter-spacing:.08em}
.brand-copy small{margin-top:5px;color:var(--muted);font-size:10px;letter-spacing:.16em;white-space:nowrap}
.desktop-actions,.mobile-actions{display:flex;align-items:center;gap:10px}
.mobile-actions{display:none}
.header-link,.header-button,.button,.button-secondary{min-height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:8px;padding:0 16px;border:1px solid var(--border);cursor:pointer;transition:border-color .16s ease,background .16s ease,transform .16s ease}
.header-button{background:var(--surface);color:var(--text)}
.header-link:hover,.header-button:hover{border-color:var(--borderStrong);background:var(--surface2)}
.button{background:linear-gradient(135deg,#FF4A4F 0%,#E11D2E 46%,#E25A2A 100%);color:#fff8f0;border:0;font-weight:700}
.button:hover{color:#fff}
.button-secondary{background:var(--paper);color:#2f241d;border-color:transparent;font-weight:700}
.button-secondary:hover{background:#fff0dc;color:#211813}
.channel-nav{position:relative;z-index:100;background:var(--deep);border-bottom:1px solid var(--border)}
.channel-nav-inner{max-width:var(--max);margin:0 auto;padding:15px 24px;min-width:0}
.desktop-channel-groups{display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}
.channel-group{display:grid;grid-template-columns:62px 1fr;gap:12px;padding:0 24px;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>strong{color:var(--amber);font-size:13px;letter-spacing:.08em}
.channel-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:5px 14px;min-width:0}
.channel-links a{position:relative;min-height:32px;display:flex;align-items:center;color:var(--muted);font-size:14px;padding-left:11px}
.channel-links a::before{content:"";position:absolute;left:0;width:3px;height:3px;border-radius:50%;background:var(--soft);pointer-events:none}
.channel-links a.is-current{color:var(--title);font-weight:700}
.channel-links a.is-current::before{width:4px;height:16px;border-radius:2px;background:var(--red)}
.mobile-quick-links{display:none}
.site-main{min-height:60vh}
.container{max-width:var(--max);margin:0 auto;padding-left:24px;padding-right:24px;min-width:0}
.section{padding:52px 0;border-bottom:1px solid var(--border)}
.section:last-child{border-bottom:0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--amber);font-size:13px;font-weight:700;letter-spacing:.12em}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--red);pointer-events:none}
h1,h2,h3{margin-top:0;color:var(--title);line-height:1.28;scroll-margin-top:calc(var(--headerH) + 34px)}
h1{font-size:32px;margin-bottom:20px}h2{font-size:23px;margin-bottom:16px}h3{font-size:18px;margin-bottom:10px}
p{margin-top:0;margin-bottom:1em}
.lead{font-size:18px;color:#e8dccd;max-width:830px}
.breadcrumbs{display:flex;align-items:center;gap:8px;flex-wrap:wrap;color:var(--muted);font-size:14px;margin-bottom:20px}
.breadcrumbs a{color:var(--paper)}
.page-hero{padding:46px 0 34px;border-bottom:1px solid var(--border)}
.page-hero-inner{max-width:var(--max);margin:0 auto;padding:0 24px}
.page-hero .lead{margin-bottom:0}
.reading-wrap{max-width:var(--reading);margin:0 auto}
.article-section{padding:30px 0;border-bottom:1px solid var(--border)}
.article-section:last-child{border-bottom:0}
.article-section p:last-child{margin-bottom:0}
.article-note{border-left:3px solid var(--red);padding:14px 18px;background:var(--surface);color:var(--muted);margin:24px 0}
.figure-shell{background:var(--deep);border:1px solid var(--border);border-radius:10px;padding:16px;display:flex;align-items:center;justify-content:center;min-width:0}
.figure-shell img{margin:auto;max-height:240px}
.figure-shell.hero-media img{max-height:300px}
.figure-shell.app-media img{max-height:420px}
.figure-fallback{padding:24px;text-align:center;color:var(--muted);width:100%}
.figure-fallback strong{display:block;color:var(--title);margin-bottom:6px}
.two-col{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:34px;align-items:start;min-width:0}
.equal-col{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;min-width:0}
.three-col{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;min-width:0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:26px}
.section-head p{max-width:720px;color:var(--muted);margin:0}
.link-arrow{display:inline-flex;align-items:center;min-height:44px;color:var(--paper);font-weight:700}
.link-arrow::after{content:" →";color:var(--redhi);margin-left:5px;pointer-events:none}
.hero-home{padding:56px 0 42px;background:linear-gradient(180deg,#11100e 0%,#0C0B0A 100%);border-bottom:1px solid var(--border)}
.hero-home-grid{display:grid;grid-template-columns:1fr;gap:30px;align-items:start}
.hero-home h1{font-size:34px;margin-top:10px;margin-bottom:10px}
.hero-home .hero-line{font-size:25px;color:var(--paper);margin-bottom:16px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
.home-guide{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.guide-item{border-top:1px solid var(--border);padding:18px 6px 8px}
.guide-item h3{display:flex;align-items:center;gap:9px}
.guide-item h3::before{content:"";width:7px;height:7px;background:var(--red);border-radius:1px;pointer-events:none}
.guide-item p{color:var(--muted);margin:0}
.hotspot-grid{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);gap:28px;align-items:start}
.topic-list{display:grid}
.topic-row{padding:16px 0;border-bottom:1px solid var(--border)}
.topic-row:last-child{border-bottom:0}
.topic-row strong{display:block;color:var(--title);margin-bottom:5px}
.topic-row p{margin:0;color:var(--muted)}
.editor-unit{background:var(--surface);border:1px solid var(--border);border-radius:10px;overflow:hidden}
.editor-unit .figure-shell{border:0;border-radius:0;background:var(--deep)}
.editor-unit-body{padding:20px}.editor-unit-body p{color:var(--muted)}.editor-unit-body ul{padding-left:20px;margin-bottom:0}
.split-opinion{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--border);border:1px solid var(--border)}
.opinion-pane{background:var(--surface);padding:24px}.opinion-pane p,.opinion-pane li{color:var(--muted)}
.response-progress{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:28px}
.stage-list{position:relative;padding-left:22px}
.stage-node{position:relative;padding:0 0 21px 18px;border-left:1px solid var(--border)}
.stage-node::before{content:"";position:absolute;left:-5px;top:7px;width:9px;height:9px;background:var(--red);border-radius:50%;pointer-events:none}
.stage-node:last-child{padding-bottom:0}.stage-node p{color:var(--muted);margin:0}
.verification-panel{background:linear-gradient(135deg,#201616 0%,#161311 55%,#1d1915 100%);border:1px solid var(--borderStrong);padding:28px;border-radius:10px}
.status-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:22px}
.status-item{background:rgba(255,255,255,.025);border:1px solid var(--border);padding:15px}
.status-item strong{display:block;color:var(--paper);margin-bottom:5px}.status-item span{color:var(--muted);font-size:14px}
.directory-style{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:28px}
.directory-list{border-top:1px solid var(--border)}
.directory-list a{display:grid;grid-template-columns:100px 1fr;gap:14px;padding:14px 0;border-bottom:1px solid var(--border)}
.directory-list strong{color:var(--paper)}.directory-list span{color:var(--muted)}
.reminder-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.reminder{padding:17px;border:1px solid var(--border);background:var(--surface)}
.reminder strong{display:block;color:var(--title);margin-bottom:5px}.reminder p{color:var(--muted);margin:0}
.clue-strip{background:linear-gradient(90deg,#311218 0%,#1e1112 44%,#161311 100%);border-top:1px solid var(--borderStrong);border-bottom:1px solid var(--borderStrong)}
.clue-strip .container{padding-top:34px;padding-bottom:34px}
.clue-strip-inner{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,.7fr);gap:28px;align-items:center}
.clue-links{display:flex;justify-content:flex-end;gap:10px;flex-wrap:wrap}
.mobile-reading{display:grid;grid-template-columns:minmax(260px,.7fr) minmax(0,1.3fr);gap:36px;align-items:center}
.mobile-reading .media-pair{display:grid;grid-template-columns:minmax(0,1fr) 88px;gap:12px;align-items:center}
.mark-shell{display:flex;align-items:center;justify-content:center;padding:10px;background:var(--surface);border:1px solid var(--border);border-radius:10px}
.mark-shell img{max-width:72px;max-height:72px}
.final-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.final-unit{padding:22px;border-top:2px solid var(--red);background:var(--surface)}
.final-unit p{color:var(--muted)}
.toc{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0 4px}
.toc a,.tag{min-height:38px;display:inline-flex;align-items:center;padding:3px 10px;border:1px solid var(--border);border-radius:6px;background:var(--surface)}
.tag-row,.chip-row{display:flex;gap:8px;flex-wrap:wrap}
.chip-row a{display:inline-flex;min-height:38px;align-items:center;padding:4px 11px;border:1px solid var(--border);border-radius:999px;background:var(--surface)}
.fact-view-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:18px 0}
.fact-box{padding:18px;border:1px solid var(--border);background:var(--surface)}
.fact-box strong{display:block;margin-bottom:7px}.fact-box.fact{border-top:2px solid var(--amber)}.fact-box.view{border-top:2px solid var(--red)}
.archive-rows{border-top:1px solid var(--border);margin:20px 0}
.archive-row{display:grid;grid-template-columns:130px 1fr;gap:16px;padding:16px 0;border-bottom:1px solid var(--border)}
.archive-row strong{color:var(--paper)}.archive-row p{margin:0;color:var(--muted)}
.phase-directory{display:grid;gap:12px;margin:18px 0}
.phase-card{display:grid;grid-template-columns:150px 1fr;gap:18px;padding:18px;border-left:3px solid var(--red);background:var(--surface)}
.phase-card strong{color:var(--paper)}.phase-card p{margin:0;color:var(--muted)}
.method-status{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:18px}
.method-status article{padding:18px;border:1px solid var(--border);background:var(--surface)}
.method-status h3{font-size:16px}.method-status p{color:var(--muted);margin:0}
.digest-blocks{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:18px 0}
.digest-block{padding:18px;background:var(--surface);border-top:2px solid var(--red)}
.digest-block p{color:var(--muted);margin:0}
.topic-index{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:18px 0}
.topic-index a{padding:14px;border:1px solid var(--border);background:var(--surface);min-height:78px}
.topic-index strong{display:block;color:var(--title)}.topic-index span{color:var(--muted);font-size:14px}
.boundary-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.boundary-box{padding:20px;border:1px solid var(--border);background:var(--surface)}
.boundary-box.allowed{border-top:3px solid var(--amber)}.boundary-box.forbidden{border-top:3px solid var(--red)}
.boundary-box ul{padding-left:20px;color:var(--muted)}
.policy-list{display:grid}.policy-item{padding:25px 0;border-bottom:1px solid var(--border)}
.faq-list{display:grid;gap:10px}.faq-list details{border:1px solid var(--border);background:var(--surface);border-radius:7px;padding:0 18px}
.faq-list summary{cursor:pointer;min-height:56px;display:flex;align-items:center;color:var(--title);font-weight:700}
.faq-list details p{color:var(--muted);padding:0 0 18px;margin:0}
.related{margin-top:34px;padding-top:22px;border-top:1px solid var(--border)}
.related h2{font-size:18px}.related-links{display:flex;gap:10px;flex-wrap:wrap}
.related-links a{min-height:44px;display:inline-flex;align-items:center;padding:4px 12px;background:var(--surface);border:1px solid var(--border);border-radius:6px}
.site-footer{background:#080706;border-top:2px solid var(--red);color:#D8CBBA;padding:44px 0 34px}
.footer-inner{max-width:var(--max);margin:0 auto;padding:0 24px}.footer-brand{max-width:720px;margin-bottom:34px}
.footer-brand-link{width:max-content;margin-bottom:14px}.footer-brand p{color:#b8aa9b}
.footer-directory{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:24px;padding:28px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.footer-group h2{font-size:15px;color:var(--paper);margin-bottom:10px}.footer-group ul{list-style:none;padding:0;margin:0}
.footer-group li+li{margin-top:5px}.footer-group a{color:#aa9c8d;font-size:14px}
.footer-group a.is-current{color:#fff;border-left:2px solid var(--red);padding-left:8px}
.footer-note{margin:26px 0 9px;color:#9e9184;max-width:900px}.copyright{margin:0;color:#776c61;font-size:14px}
.mobile-bottom-nav{display:none}
.modal-overlay{position:fixed;inset:0;z-index:700;background:rgba(0,0,0,.72);backdrop-filter:blur(3px)}
.modal-shell{position:fixed;z-index:800;left:50%;top:50%;transform:translate(-50%,-50%);width:min(960px,calc(100% - 48px));max-height:min(86vh,760px);overflow:auto;background:#14110f;border:1px solid var(--borderStrong);box-shadow:var(--shadow);border-radius:10px;padding:24px}
.modal-head{display:flex;align-items:center;justify-content:space-between;gap:18px;padding-bottom:18px;border-bottom:1px solid var(--border);position:sticky;top:-24px;background:#14110f;z-index:2;padding-top:4px}
.modal-head>div{display:grid}.modal-head small{color:var(--muted)}.modal-brand{display:flex!important;align-items:center;gap:12px}.modal-logo{height:30px}
.modal-close{min-width:60px;min-height:44px;border:1px solid var(--border);background:var(--surface);border-radius:7px;cursor:pointer}
.directory-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px 22px;padding-top:22px}
.directory-group h2{font-size:16px;color:var(--amber);margin-bottom:9px}
.directory-item{display:block;padding:10px 0;border-bottom:1px solid var(--border)}
.directory-item strong{display:block;color:var(--title)}.directory-item span{display:block;color:var(--muted);font-size:13px;line-height:1.55;margin-top:2px}
.directory-item.is-current{border-left:3px solid var(--red);padding-left:10px}
.search-modal{width:min(760px,calc(100% - 48px))}
.search-body{padding-top:20px}.search-body label{display:block;color:var(--paper);font-weight:700;margin-bottom:8px}
.search-body input{width:100%;min-height:48px;background:#0d0b0a;color:var(--text);border:1px solid var(--borderStrong);border-radius:7px;padding:0 13px}
.search-help{font-size:14px;color:var(--muted);margin-top:8px}.search-popular{margin:18px 0}.search-popular>strong{display:block;margin-bottom:8px}
.search-empty{padding:10px 12px;background:#2a1719;border-left:3px solid var(--red);color:#f5c9c9}
.search-results{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.search-results>a{padding:12px;border:1px solid var(--border);background:var(--surface)}
.search-results strong{display:block;color:var(--title)}.search-results span{display:block;color:var(--muted);font-size:13px;line-height:1.55}
@media (max-width:1024px){
.desktop-channel-groups{grid-template-columns:1fr}.channel-group{grid-template-columns:74px 1fr;padding:10px 0;border-right:0;border-bottom:1px solid var(--border)}.channel-group:last-child{border-bottom:0}
.hero-home-grid,.two-col,.hotspot-grid,.response-progress,.directory-style,.mobile-reading{grid-template-columns:1fr}
.home-guide{grid-template-columns:repeat(2,minmax(0,1fr))}.three-col,.status-grid,.final-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
.footer-directory{grid-template-columns:repeat(3,minmax(0,1fr))}.topic-index{grid-template-columns:repeat(2,minmax(0,1fr))}
.digest-blocks{grid-template-columns:1fr}.clue-strip-inner{grid-template-columns:1fr}.clue-links{justify-content:flex-start}
}
@media (max-width:768px){
:root{--headerH:68px}.header-inner{min-height:var(--headerH);padding:10px 16px}.brand-logo{height:30px;max-width:108px}.brand-copy small{font-size:9px}
.desktop-actions{display:none}.mobile-actions{display:flex}.header-button{padding:0 11px;min-width:54px}
.desktop-channel-groups{display:none}.mobile-quick-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));padding:0}
.mobile-quick-links a{min-height:44px;display:flex;align-items:center;justify-content:center;color:var(--muted);border-right:1px solid var(--border);border-bottom:1px solid var(--border);position:relative}
.mobile-quick-links a:nth-child(2n){border-right:0}.mobile-quick-links a:nth-last-child(-n+2){border-bottom:0}
.mobile-quick-links a.is-current{color:var(--title);font-weight:700}.mobile-quick-links a.is-current::after{content:"";position:absolute;bottom:0;width:36px;height:3px;background:var(--red);pointer-events:none}
.container,.page-hero-inner,.footer-inner{padding-left:16px;padding-right:16px}.section{padding:34px 0}.page-hero{padding:30px 0 26px}
h1{font-size:27px}h2{font-size:21px}.hero-home{padding:38px 0 30px}.hero-home h1{font-size:29px}.hero-home .hero-line{font-size:21px}.lead{font-size:17px}
.equal-col,.split-opinion,.fact-view-grid,.boundary-grid,.method-status,.reminder-list,.search-results{grid-template-columns:1fr}
.home-guide{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.status-grid,.three-col,.final-grid{grid-template-columns:1fr}
.figure-shell{padding:12px}.figure-shell img{max-height:220px}.figure-shell.hero-media img{max-height:260px}.figure-shell.app-media img{max-height:360px}
.footer-directory{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.site-footer{padding-bottom:calc(104px + env(safe-area-inset-bottom))}
.mobile-bottom-nav{position:fixed;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));left:0;right:0;bottom:0;z-index:350;min-height:calc(56px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#0a0807;border-top:1px solid var(--borderStrong)}
.mobile-bottom-nav a{min-height:56px;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:13px;position:relative}
.mobile-bottom-nav a.is-current{color:var(--title);font-weight:700}.mobile-bottom-nav a.is-current::before{content:"";position:absolute;top:0;width:26px;height:3px;background:var(--red);pointer-events:none}
.modal-shell{left:0;right:0;top:auto;bottom:0;transform:none;width:100%;max-height:88vh;max-height:88dvh;border-radius:14px 14px 0 0;padding:18px 16px;padding-bottom:calc(22px + env(safe-area-inset-bottom))}
.search-modal{top:0;bottom:0;max-height:100vh;max-height:100dvh;border-radius:0}
.modal-head{top:-18px;margin-left:-16px;margin-right:-16px;padding:12px 16px 14px}.directory-grid{grid-template-columns:1fr 1fr;gap:18px 14px}
.archive-row,.phase-card{grid-template-columns:1fr;gap:6px}.topic-index{grid-template-columns:1fr 1fr}
}
@media (max-width:390px){
.brand-copy strong{font-size:16px}.brand-copy small{display:none}.brand-logo{height:28px;max-width:94px}.header-inner{gap:8px}.mobile-actions{gap:6px}.header-button{padding:0 9px;min-width:50px}
.home-guide,.directory-grid,.topic-index{grid-template-columns:1fr}.hero-actions{display:grid;grid-template-columns:1fr}.hero-actions a{width:100%}
.footer-directory{grid-template-columns:1fr 1fr}.mobile-reading .media-pair{grid-template-columns:1fr}
}
@media (max-width:330px){.footer-directory{grid-template-columns:1fr}.mobile-actions .header-button{font-size:13px;padding:0 7px}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}