:root{
  --bg:#0C0B0A;--bg-deep:#161311;--panel:#1C1916;--panel-2:#26221D;--paper:#F3E6D2;
  --title:#FFF8F0;--text:#EDE4D8;--muted:#B7A898;--quiet:#8A7B6C;
  --red:#E11D2E;--red-hi:#FF4A4F;--wine:#8B1E2D;--rust:#E25A2A;--amber:#E2B14A;
  --line:rgba(226,177,74,.16);--line-red:rgba(225,29,46,.40);--shadow:0 18px 44px rgba(0,0,0,.46);
  --max:1280px;--radius:8px;
}
*{box-sizing:border-box;min-width:0}
html{scroll-behavior:smooth;background:var(--bg)}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC","Noto Sans CJK SC",Arial,sans-serif;font-size:16px;line-height:1.8;overflow-x:hidden}
a{color:inherit;text-decoration:none}
a:hover{color:var(--title)}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--amber);outline-offset:3px}
button,input{font:inherit}
button{cursor:pointer}
img{display:block;max-width:100%;height:auto}
figure{margin:0}
.site-wrap{width:min(calc(100% - 40px),var(--max));margin-inline:auto}
.skip-link{position:absolute;left:12px;top:-100px;z-index:100;background:var(--paper);color:#281a13;padding:10px 14px;border-radius:4px}.skip-link:focus{top:12px}

.site-header{background:var(--bg-deep);border-bottom:1px solid var(--line)}
.header-row{min-height:80px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand-link{display:inline-flex;align-items:center;gap:12px;min-height:44px;max-width:100%}.brand-logo{height:34px;width:auto;max-width:210px;object-fit:contain}.brand-wordmark{font-size:24px;font-weight:900;letter-spacing:.08em;color:var(--title)}
.brand-copy{display:flex;flex-direction:column;line-height:1.15}.brand-copy strong{color:var(--title);font-size:18px;letter-spacing:.08em}.brand-copy small{margin-top:4px;color:var(--muted);font-size:11px;letter-spacing:.16em}
.header-links{display:flex;align-items:center;gap:8px}.header-links a{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 14px;border:1px solid var(--line);border-radius:6px;color:var(--muted)}.header-links a:hover,.header-links a.is-current{border-color:var(--line-red);background:rgba(225,29,46,.09);color:var(--title)}

.tool-zone{background:#100e0d;border-bottom:1px solid var(--line)}.tool-row{display:flex;justify-content:flex-end;gap:10px;padding-block:10px}.tool-details{width:min(100%,860px)}.directory-tool{display:none}.tool-details summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:12px;width:170px;min-height:44px;margin-left:auto;padding:0 14px;border:1px solid var(--line);border-radius:6px;color:var(--text);background:var(--panel);cursor:pointer}.tool-details summary::-webkit-details-marker{display:none}.summary-mark{font-size:21px;color:var(--red-hi);transition:transform .18s ease}.tool-details[open] .summary-mark{transform:rotate(45deg)}
.tool-panel{margin-top:10px;padding:20px;background:var(--panel);border:1px solid var(--line-red);border-radius:8px;box-shadow:var(--shadow)}.tool-brand{display:flex;justify-content:space-between;align-items:center;gap:20px;padding-bottom:16px;border-bottom:1px solid var(--line)}.tool-brand p{margin:0;color:var(--muted);font-size:14px}.directory-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;margin-top:18px}.directory-group h2{font-size:14px;color:var(--amber);margin:0 0 9px;letter-spacing:.08em}.directory-group ul{list-style:none;margin:0;padding:0}.directory-group li+li{margin-top:4px}.directory-group a{display:block;padding:9px 10px;border-radius:5px;border-left:2px solid transparent}.directory-group a:hover,.directory-group a.is-current{background:rgba(225,29,46,.08);border-left-color:var(--red);color:var(--title)}.directory-group strong{display:block;font-size:15px}.directory-group span{display:block;color:var(--muted);font-size:13px;line-height:1.55;margin-top:2px}.tool-close{display:block;min-height:44px;margin:18px 0 0 auto;padding:0 16px;color:#2c1b14;background:var(--paper);border:0;border-radius:6px;font-weight:700}
.search-form label{display:block;color:var(--title);font-weight:700;margin-bottom:8px}.search-controls{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px}.search-controls input{width:100%;min-height:46px;border:1px solid var(--line);border-radius:6px;background:#0f0d0c;color:var(--text);padding:0 13px}.search-controls button{min-height:46px;padding:0 16px;border:0;border-radius:6px;background:var(--paper);color:#2c1b14;font-weight:700}.search-message{color:var(--muted);font-size:14px;margin:12px 0}.search-results{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.search-result{display:block;padding:12px;border:1px solid var(--line);border-radius:6px;background:var(--bg-deep)}.search-result[hidden]{display:none}.search-result strong{display:block;color:var(--title)}.search-result span{display:block;color:var(--muted);font-size:13px;line-height:1.55;margin-top:3px}

.site-layout{display:grid;grid-template-columns:196px minmax(0,1fr);gap:24px;align-items:start;padding-top:34px;padding-bottom:64px}.desktop-sidebar nav{padding:8px 0}.desktop-sidebar.can-stick nav{position:sticky;top:18px}.side-group{padding:0 0 18px;margin-bottom:17px;border-bottom:1px solid var(--line)}.side-group h2{margin:0 0 6px;color:var(--quiet);font-size:12px;letter-spacing:.18em}.side-group a{position:relative;display:flex;align-items:center;min-height:42px;padding:5px 10px 5px 15px;border-radius:5px;color:var(--muted);font-size:14px}.side-group a::before{content:"";position:absolute;left:0;width:4px;height:15px;border-radius:2px;background:transparent}.side-group a:hover{background:rgba(255,255,255,.025);color:var(--title)}.side-group a.is-current{background:rgba(225,29,46,.09);color:var(--title);font-weight:700}.side-group a.is-current::before{background:var(--red)}.full-directory-link{display:flex;min-height:44px;align-items:center;padding:0 12px;border:1px solid var(--line);border-radius:6px;color:var(--text)}
.content-main{width:100%}
.breadcrumb{display:flex;align-items:center;gap:9px;color:var(--quiet);font-size:13px;margin-bottom:20px}.breadcrumb a{color:var(--muted)}
.page-hero{padding:10px 0 24px;border-bottom:1px solid var(--line)}.page-hero>.wrap,.section>.wrap,.wrap{width:100%}.page-hero .prose{margin-left:0}.eyebrow,.section-kicker{color:var(--red-hi);font-size:12px;font-weight:800;letter-spacing:.16em;text-transform:uppercase}.page-hero h1{margin:7px 0 12px;color:var(--title);font-size:clamp(28px,3vw,32px);line-height:1.25}.lead{margin:0;color:var(--text);font-size:17px;line-height:1.85}
.section{padding:44px 0;border-bottom:1px solid var(--line)}.section:last-child{border-bottom:0}.section h2{color:var(--title);font-size:24px;line-height:1.35;margin:0 0 16px}.section h3{color:var(--title);font-size:18px;line-height:1.45;margin:0 0 9px}.section p{margin:0 0 15px}.section p:last-child{margin-bottom:0}.prose{max-width:780px}.prose-section{padding:22px 0;border-top:1px solid var(--line)}.prose-section:first-child{border-top:0}.prose-section p{color:var(--text)}
.section-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:20px}.section-head p{max-width:480px;color:var(--muted);font-size:14px;margin:0}.section-head h2{margin:4px 0 0}
.media-slot{display:flex;align-items:center;justify-content:center;width:100%;padding:10px;background:var(--bg-deep);border:1px solid var(--line);border-radius:8px;overflow:hidden}.media-slot img{width:100%;height:auto;max-height:240px;object-fit:contain;object-position:center}.media-slot.hero-media img{max-height:300px}.media-slot.app-media img{max-height:420px;width:auto;max-width:100%}.media-fallback{min-height:150px;background:linear-gradient(145deg,#211512,#4c151d);color:var(--paper)}.media-fallback span{font-weight:800;letter-spacing:.12em}.hero-media.media-fallback{min-height:220px}.app-media.media-fallback{min-height:260px;max-height:420px}
.split-grid,.media-copy-grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:28px;align-items:start}.two-col{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.three-col{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.soft-card{padding:20px;background:var(--panel);border:1px solid var(--line);border-radius:8px}.soft-card p{color:var(--text)}.soft-card.paper{background:var(--paper);color:#32251c}.soft-card.paper h3,.soft-card.paper p{color:#32251c}.soft-card.paper a{color:#65141e}
.topic-list,.reading-list,.timeline-list{list-style:none;margin:0;padding:0}.topic-list li,.reading-list li,.timeline-list li{padding:15px 0;border-top:1px solid var(--line)}.topic-list li:first-child,.reading-list li:first-child,.timeline-list li:first-child{border-top:0}.topic-list strong,.reading-list strong,.timeline-list strong{display:block;color:var(--title);margin-bottom:4px}.topic-list span,.reading-list span,.timeline-list span{display:block;color:var(--muted)}
.note-box{padding:18px 20px;border-left:3px solid var(--red);background:var(--panel);color:var(--text);border-radius:0 6px 6px 0}.note-box strong{color:var(--title)}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.related-link{display:block;min-height:100%;padding:16px;border:1px solid var(--line);border-radius:6px;background:var(--bg-deep)}.related-link:hover{border-color:var(--line-red);background:rgba(225,29,46,.06)}.related-link strong{display:block;color:var(--title)}.related-link span{display:block;color:var(--muted);font-size:14px;margin-top:4px}
.anchor-menu{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0}.anchor-menu a{display:inline-flex;align-items:center;min-height:44px;padding:0 13px;border:1px solid var(--line);border-radius:5px;color:var(--text);background:var(--panel)}
.fact-opinion-grid,.status-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.status-card{padding:17px;border:1px solid var(--line);border-top:3px solid var(--amber);border-radius:6px;background:var(--panel)}.status-card h3{font-size:16px}.status-card p{font-size:14px;color:var(--muted)}.status-supported{border-top-color:#c7b565}.status-partial{border-top-color:#d29c46}.status-limited{border-top-color:#a76a53}.status-changed{border-top-color:#b08b67}.status-misleading{border-top-color:var(--rust)}.status-pending{border-top-color:var(--red)}
.table-like{border:1px solid var(--line);border-radius:8px;overflow:hidden}.table-row{display:grid;grid-template-columns:180px minmax(0,1fr);gap:0;border-top:1px solid var(--line)}.table-row:first-child{border-top:0}.table-row>*{padding:14px}.table-row>*:first-child{background:var(--panel-2);color:var(--title);font-weight:700}.table-row>*:last-child{background:var(--panel);color:var(--text)}
.topic-tags{display:flex;flex-wrap:wrap;gap:8px}.topic-tags span,.topic-tags a{display:inline-flex;align-items:center;min-height:38px;padding:0 11px;border:1px solid var(--line);border-radius:99px;color:var(--muted)}
.button-row{display:flex;flex-wrap:wrap;gap:10px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 18px;border-radius:6px;font-weight:800}.btn-primary{background:linear-gradient(135deg,#FF4A4F 0%,#E11D2E 46%,#E25A2A 100%);color:#fffaf4}.btn-secondary{background:var(--paper);color:#2d2018}.btn:hover{filter:brightness(1.06)}
.faq-list details{border-top:1px solid var(--line)}.faq-list details:last-child{border-bottom:1px solid var(--line)}.faq-list summary{cursor:pointer;min-height:54px;display:flex;align-items:center;color:var(--title);font-weight:800}.faq-list details>div,.faq-list details>p{padding:0 0 18px;color:var(--text);max-width:780px}

/* 首页 */
.home-intro{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:32px;align-items:center;padding:26px 0 48px;border-bottom:1px solid var(--line)}.home-intro h1{font-size:32px;color:var(--title);margin:6px 0 14px}.home-intro .hero-line{font-size:25px;line-height:1.45;color:var(--title);font-weight:850;margin:0 0 14px}.home-intro p{color:var(--text)}.kicker{color:var(--red-hi);font-size:12px;font-weight:800;letter-spacing:.16em}.home-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.home-section{padding:48px 0;border-bottom:1px solid var(--line)}.home-section h2{font-size:25px;line-height:1.35;margin:0;color:var(--title)}.home-section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:22px}.home-section-head p{margin:0;color:var(--muted);max-width:560px}.path-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.path-item{display:block;padding:16px;border-top:2px solid var(--red);background:var(--panel);border-radius:4px}.path-item strong{display:block;color:var(--title)}.path-item span{display:block;color:var(--muted);font-size:14px;line-height:1.6;margin-top:5px}
.digest-layout{display:grid;grid-template-columns:minmax(220px,.6fr) minmax(0,1.4fr);gap:28px;align-items:start}.digest-list article{padding:0 0 20px;margin-bottom:20px;border-bottom:1px solid var(--line)}.digest-list article:last-child{margin-bottom:0;border-bottom:0;padding-bottom:0}.digest-list h3{margin:0 0 7px;color:var(--title);font-size:19px}.digest-list p{margin:0;color:var(--text)}.digest-list a{display:inline-flex;min-height:44px;align-items:center;color:var(--amber);font-weight:700;margin-top:8px}
.focus-image-first>.media-slot{margin-bottom:22px}.focus-copy-grid{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:28px}.micro-list{display:grid;gap:0}.micro-item{padding:14px 0;border-top:1px solid var(--line)}.micro-item:first-child{border-top:0}.micro-item strong{display:block;color:var(--title)}.micro-item p{font-size:14px;color:var(--muted);margin:3px 0 0}
.editorial-pair{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:22px}.editorial-unit{padding:18px;background:var(--panel);border:1px solid var(--line);border-radius:8px}.editorial-unit .media-slot{margin-bottom:18px}.editorial-unit h3{font-size:21px;color:var(--title);margin:0 0 10px}.editorial-unit p{margin:0 0 13px}.reading-points{display:grid;gap:9px}.reading-points div{padding-top:9px;border-top:1px solid var(--line);color:var(--muted);font-size:14px}
.horizontal-band{display:grid;grid-template-columns:minmax(260px,.65fr) minmax(0,1.35fr);gap:26px;align-items:center;padding:22px 0;border-top:1px solid var(--line)}.horizontal-band:first-child{border-top:0}.horizontal-band h3{font-size:22px;color:var(--title);margin:0 0 9px}.check-points{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-top:14px}.check-points div{padding:12px;background:var(--panel-2);border:1px solid var(--line);border-radius:5px}.check-points strong{display:block;color:var(--title);font-size:14px}.check-points span{display:block;color:var(--muted);font-size:13px;line-height:1.55;margin-top:3px}
.compare-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:18px}.compare-grid article{padding:17px;background:var(--paper);color:#33231a;border-radius:6px}.compare-grid h3{color:#3b2018;margin:0 0 8px;font-size:17px}.compare-grid p{color:#443126;margin:0}
.track-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-top:18px}.track-step{position:relative;padding:16px 14px 16px 18px;border-left:2px solid var(--red);background:var(--panel)}.track-step strong{display:block;color:var(--title)}.track-step span{display:block;color:var(--muted);font-size:13px;line-height:1.6;margin-top:4px}
.topic-block{padding:20px 0;border-top:1px solid var(--line)}.topic-block:first-child{border-top:0}.topic-block h3{color:var(--title);font-size:20px;margin:0 0 8px}.label-observe{display:inline-block;margin-bottom:7px;color:var(--amber);font-size:12px;font-weight:800;letter-spacing:.12em}.clue-strip{padding:24px 0 24px 20px;border-left:2px solid var(--red)}.clue-strip p{max-width:830px}.text-trio{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.text-trio article{padding-top:15px;border-top:2px solid var(--red)}.text-trio h3{font-size:20px;color:var(--title);margin:0 0 9px}.text-trio p{color:var(--text)}

.site-footer{background:#080706;border-top:1px solid var(--red);color:#D8CBBA;padding:42px 0 26px}.footer-brand-row{display:flex;align-items:flex-start;justify-content:space-between;gap:30px;padding-bottom:28px;border-bottom:1px solid var(--line)}.footer-brand-row p{max-width:620px;margin:0;color:var(--muted)}.footer-directory{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:20px;padding-block:28px}.footer-group h2{font-size:14px;color:var(--amber);margin:0 0 9px}.footer-group ul{list-style:none;margin:0;padding:0}.footer-group a{display:flex;align-items:center;min-height:36px;color:var(--muted);font-size:14px}.footer-group a:hover,.footer-group a.is-current{color:var(--title)}.footer-note{padding-top:22px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}.footer-note p{margin:6px 0}.footer-home{display:inline-flex;align-items:center;min-height:44px;color:var(--text);font-weight:700}.mobile-bottom-nav{display:none}

@media (max-width:1099px){
  .site-layout{grid-template-columns:minmax(0,1fr);padding-top:28px}.desktop-sidebar{display:none}.directory-tool{display:block}.tool-row{justify-content:stretch}.tool-details{width:50%}.tool-details summary{width:100%;margin:0}.directory-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.search-results{grid-template-columns:repeat(2,minmax(0,1fr))}.content-main{max-width:100%}
}
@media (max-width:900px){
  .footer-directory{grid-template-columns:repeat(3,minmax(0,1fr))}.path-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.editorial-pair{grid-template-columns:1fr}.check-points{grid-template-columns:repeat(2,minmax(0,1fr))}.track-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.text-trio{grid-template-columns:1fr}.horizontal-band{grid-template-columns:minmax(220px,.7fr) minmax(0,1.3fr)}
}
@media (max-width:767px){
  body{padding-bottom:calc(76px + env(safe-area-inset-bottom))}.site-wrap{width:min(calc(100% - 32px),var(--max))}.header-row{min-height:64px;gap:12px}.brand-logo{height:30px;max-width:145px}.brand-wordmark{font-size:21px}.brand-copy strong{font-size:16px}.brand-copy small{font-size:9px}.header-links{gap:4px}.header-links a{padding:0 9px;font-size:13px}.header-faq{display:none}
  .tool-zone{padding:0}.tool-row{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding-block:8px}.tool-details{width:100%}.tool-panel{position:relative;width:calc(200% + 8px);padding:16px}.search-tool .tool-panel{margin-left:calc(-100% - 8px)}.directory-grid,.search-results{grid-template-columns:1fr}.tool-brand{display:block}.tool-brand p{margin-top:8px}.directory-group span{font-size:13px}
  .site-layout{padding-top:22px;padding-bottom:40px}.breadcrumb{margin-bottom:15px}.page-hero{padding-bottom:20px}.page-hero h1{font-size:clamp(24px,8vw,28px)}.lead{font-size:16px}.section{padding:32px 0}.section h2{font-size:21px}.section-head{display:block}.section-head p{margin-top:8px}.split-grid,.media-copy-grid,.two-col,.three-col,.fact-opinion-grid,.status-grid,.related-grid{grid-template-columns:1fr}.media-slot img{max-height:none}.media-slot.hero-media img{max-height:260px;width:auto}.media-slot.app-media img{max-height:360px}.media-fallback{min-height:120px}.hero-media.media-fallback{min-height:140px}.app-media.media-fallback{min-height:180px}.table-row{grid-template-columns:1fr}.table-row>*{padding:12px}.table-row>*:first-child{border-bottom:1px solid var(--line)}
  .home-intro{grid-template-columns:1fr;padding:18px 0 36px}.home-intro .hero-copy{order:1}.home-intro .media-slot{order:2}.home-intro h1{font-size:27px}.home-intro .hero-line{font-size:21px}.home-section{padding:34px 0}.home-section-head{display:block}.home-section-head p{margin-top:8px}.digest-layout,.focus-copy-grid,.horizontal-band{grid-template-columns:1fr}.editorial-pair{grid-template-columns:1fr}.track-grid{grid-template-columns:1fr}.compare-grid{grid-template-columns:1fr}.path-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.path-item{padding:13px}.check-points{grid-template-columns:1fr 1fr}.clue-strip{padding-left:14px}.footer-brand-row{display:block}.footer-brand-row p{margin-top:16px}.footer-directory{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 14px}.site-footer{padding-bottom:28px}.mobile-bottom-nav{position:fixed;z-index:60;left:0;right:0;bottom:0;display:grid;grid-template-columns:repeat(5,1fr);height:calc(56px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#0a0807;border-top:1px solid var(--line-red);box-shadow:0 -10px 28px rgba(0,0,0,.35)}.mobile-bottom-nav a{display:flex;align-items:center;justify-content:center;min-height:56px;color:var(--muted);font-size:13px;font-weight:700}.mobile-bottom-nav a.is-current{color:var(--title);background:linear-gradient(to top,rgba(225,29,46,.12),transparent);box-shadow:inset 0 3px 0 var(--red)}
}
@media (max-width:374px){.brand-copy small{display:none}.header-links a{font-size:12px;padding:0 7px}.path-grid{grid-template-columns:1fr}.footer-directory{grid-template-columns:1fr}.check-points{grid-template-columns:1fr}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.summary-mark{transition:none}}