: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-strong:rgba(225,29,46,.40);--shadow:0 18px 44px rgba(0,0,0,.46);--footer:#080706;--footer-text:#D8CBBA;
  --max:1280px;--content:780px;
}
*{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:system-ui,-apple-system,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.8;overflow-x:hidden}
a{color:inherit;text-decoration:none}
a:hover{color:var(--red-hi)}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid var(--amber);outline-offset:3px}
img{display:block;max-width:100%;height:auto}
button,input{font:inherit}
button{cursor:pointer}
.skip-link{position:absolute;left:16px;top:-80px;background:var(--paper);color:#2A1B13;padding:10px 14px;z-index:50;border-radius:6px}.skip-link:focus{top:12px}
.site-shell{width:min(calc(100% - 32px),var(--max));margin-inline:auto}
.site-header{background:#0A0908;border-bottom:1px solid var(--line);position:relative;z-index:3}
.header-row{min-height:80px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:inline-flex;align-items:center;gap:12px;min-height:44px}.brand-logo{width:auto;height:auto;max-height:36px;object-fit:contain;object-position:center}.brand-logo-text{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line-strong);padding:3px 8px;font-weight:800;color:var(--title)}
.brand-copy{display:flex;flex-direction:column;line-height:1.1}.brand-copy strong{color:var(--title);font-size:18px;letter-spacing:.08em}.brand-copy small{margin-top:5px;color:var(--muted);font-size:11px;letter-spacing:.14em}
.header-quick{display:flex;gap:10px;align-items:center}.header-quick a{display:inline-flex;align-items:center;min-height:44px;padding:0 14px;border:1px solid var(--line);border-radius:6px;color:var(--muted)}.header-quick a[aria-current="page"],.header-quick a:hover{border-color:var(--line-strong);color:var(--title);background:rgba(225,29,46,.08)}
.tool-strip{border-bottom:1px solid var(--line);background:var(--bg-deep)}.tool-grid{display:grid;grid-template-columns:1fr;gap:0}.tool-panel{border-bottom:1px solid rgba(226,177,74,.09)}.tool-panel:last-child{border-bottom:0}.tool-panel summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:50px;padding:0 2px;color:var(--title);font-weight:700;cursor:pointer}.tool-panel summary::-webkit-details-marker{display:none}.summary-state{color:var(--red-hi);font-size:22px;transition:transform .18s ease}.tool-panel[open] .summary-state{transform:rotate(45deg)}
.tool-content{padding:8px 0 24px}.directory-brand{display:flex;align-items:center;gap:12px;padding:12px 0 20px;color:var(--muted)}.directory-brand .brand-logo{max-height:30px}.directory-groups{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:18px}.directory-group{padding:16px;background:var(--panel);border:1px solid var(--line);border-radius:8px}.directory-group h2{margin:0 0 10px;font-size:14px;color:var(--amber);letter-spacing:.08em}.directory-item{display:block;padding:10px 0;border-top:1px solid rgba(226,177,74,.09)}.directory-item:first-of-type{border-top:0}.directory-item strong{display:block;color:var(--title);font-size:15px}.directory-item span{display:block;margin-top:3px;color:var(--muted);font-size:13px;line-height:1.55}.directory-item.is-current{padding-left:10px;border-left:3px solid var(--red);background:rgba(225,29,46,.05)}
.tool-close,.secondary-button{min-height:44px;border:1px solid var(--line);border-radius:6px;background:var(--paper);color:#2D2017;padding:0 16px;font-weight:750}.tool-close{margin-top:16px}.tool-close:hover,.secondary-button:hover{background:#fff3df}
.search-form>label{display:block;color:var(--title);font-weight:800;margin-bottom:8px}.search-controls{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px}.search-controls input{width:100%;min-height:46px;border:1px solid var(--line);border-radius:6px;background:#100E0C;color:var(--text);padding:0 13px}.search-note,.search-empty{color:var(--muted);font-size:13px;margin:8px 0 12px}.search-results{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.search-result{display:block;padding:12px 14px;border:1px solid var(--line);border-radius:7px;background:var(--panel)}.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}.search-result[hidden]{display:none}
.page-frame{display:grid;grid-template-columns:196px minmax(0,1fr);gap:24px;align-items:start;padding-top:32px;padding-bottom:64px}.content-column{min-width:0}.desktop-sidebar{font-size:14px}.side-group{margin-bottom:22px}.side-group h2{margin:0 0 7px;color:var(--quiet);font-size:12px;letter-spacing:.14em}.side-link{display:block;min-height:40px;padding:8px 10px;border-left:3px solid transparent;color:var(--muted)}.side-link.is-current{border-left-color:var(--red);color:var(--title);font-weight:800;background:rgba(225,29,46,.07)}.side-directory-link{display:inline-flex;align-items:center;min-height:44px;color:var(--amber);border-top:1px solid var(--line);padding-top:10px;width:100%}
@media (min-width:1100px) and (min-height:760px){.desktop-sidebar{position:sticky;top:18px}}
main{min-width:0}.breadcrumb{display:flex;gap:9px;align-items:center;color:var(--quiet);font-size:13px;margin-bottom:18px}.breadcrumb a{color:var(--muted)}
.page-hero,.article-shell{max-width:var(--content)}.page-hero{padding:8px 0 24px;border-bottom:1px solid var(--line)}.eyebrow{color:var(--red-hi);font-weight:800;letter-spacing:.08em;font-size:13px}.page-hero h1,.home-intro h1{font-size:clamp(28px,3vw,32px);line-height:1.25;color:var(--title);margin:6px 0 12px}.page-hero p,.lead{font-size:17px;color:var(--muted);margin:0}
.article-shell{padding-top:18px}.article-section{padding:30px 0;border-bottom:1px solid var(--line)}.article-section:last-child{border-bottom:0}.article-section h2{font-size:22px;line-height:1.35;color:var(--title);margin:0 0 12px}.article-section h3{font-size:17px;color:var(--paper);margin:22px 0 8px}.article-section p{margin:0 0 15px;color:var(--text)}.article-section p:last-child{margin-bottom:0}.article-section ul,.article-section ol{padding-left:1.35em}.article-section li{margin:8px 0}.article-note{border-left:3px solid var(--red);padding:14px 16px;background:rgba(225,29,46,.06);color:var(--muted);margin:18px 0}.paper-box{background:var(--paper);color:#34251B;border-radius:8px;padding:18px}.paper-box h2,.paper-box h3,.paper-box strong{color:#25170F}.paper-box p,.paper-box li{color:#4A3528}.related-links{max-width:var(--content);padding:28px 0}.related-links strong{display:block;color:var(--quiet);font-size:13px;letter-spacing:.12em;margin-bottom:8px}.related-links div{display:flex;flex-wrap:wrap;gap:10px}.related-links a,.text-link{display:inline-flex;align-items:center;min-height:44px;padding:0 13px;border:1px solid var(--line);border-radius:6px;color:var(--title);background:rgba(255,255,255,.015)}
.media-frame{margin:20px 0;border:1px solid var(--line);border-radius:8px;background:var(--panel);padding:12px;display:flex;justify-content:center;align-items:center;min-width:0}.media-frame img{width:auto;max-width:100%;height:auto;object-fit:contain;object-position:center}.section-media img{max-height:240px}.hero-media img{max-height:300px}.app-media img{max-height:420px}.icon-media img{max-width:72px;max-height:72px}.media-fallback{height:min(180px,32vw);background:linear-gradient(135deg,#15110F,#35171A 58%,#211612);color:var(--paper);font-weight:800;letter-spacing:.06em}.hero-fallback{height:240px}.media-fallback span{padding:12px;text-align:center}
.status-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.status-card{border:1px solid var(--line);border-left:3px solid var(--red);padding:14px;background:var(--panel);border-radius:6px}.status-card strong{display:block;color:var(--title);margin-bottom:5px}.status-card p{font-size:14px;color:var(--muted);margin:0}.compare-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.compare-cell{padding:16px;border:1px solid var(--line);border-radius:7px;background:var(--panel)}.compare-cell h3{margin:0 0 8px;color:var(--paper)}
.table-wrap{margin:18px 0}.responsive-table{width:100%;border-collapse:collapse;background:var(--panel)}.responsive-table th,.responsive-table td{border:1px solid var(--line);padding:12px;text-align:left;vertical-align:top}.responsive-table th{color:var(--paper);font-weight:800;background:#171310}.responsive-table td{color:var(--text)}
.home-section{padding:42px 0;border-bottom:1px solid var(--line)}.home-section>h2,.section-heading{margin:0 0 18px;color:var(--title);font-size:24px;line-height:1.35}.home-section .section-kicker{color:var(--red-hi);font-size:13px;font-weight:800;letter-spacing:.1em}.home-hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:30px;align-items:center;padding:18px 0 44px;border-bottom:1px solid var(--line)}.home-intro p{color:var(--muted);margin:0 0 18px}.button-row{display:flex;flex-wrap:wrap;gap:10px}.primary-button,.secondary-link{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 18px;border-radius:6px;font-weight:800}.primary-button{color:#fffaf3;background:linear-gradient(135deg,#FF4A4F 0%,#E11D2E 46%,#E25A2A 100%)}.secondary-link{background:var(--paper);color:#2D2017}.primary-button:hover{color:white;filter:brightness(1.08)}.secondary-link:hover{color:#8A1E27}
.path-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.path-item{display:block;padding:16px;border:1px solid var(--line);border-top:2px solid var(--red);background:var(--panel);border-radius:7px}.path-item strong{display:block;color:var(--title)}.path-item span{display:block;color:var(--muted);font-size:14px;margin-top:6px;line-height:1.65}
.split-media{display:grid;grid-template-columns:minmax(240px,.8fr) minmax(0,1.2fr);gap:28px;align-items:center}.split-media.reverse{grid-template-columns:minmax(0,1.2fr) minmax(240px,.8fr)}.split-media .media-frame{margin:0}.digest-list,.micro-list{display:grid;gap:14px}.digest-item,.micro-item{padding:14px 0;border-top:1px solid var(--line)}.digest-item:first-child,.micro-item:first-child{border-top:0}.digest-item h3,.micro-item h3{margin:0 0 6px;color:var(--title);font-size:18px}.digest-item p,.micro-item p{margin:0;color:var(--muted)}
.focus-layout .media-frame{margin:0 0 18px}.focus-main{max-width:860px}.focus-main h3{font-size:22px;color:var(--title);margin:0 0 10px}.focus-main p{margin:0;color:var(--text)}.focus-short{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:18px}.focus-short article{padding:14px;border:1px solid var(--line);border-radius:6px;background:var(--panel)}.focus-short h4{margin:0 0 7px;color:var(--paper)}.focus-short p{margin:0;color:var(--muted);font-size:14px}
.editorial-pair{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}.editorial-unit{padding:18px;border:1px solid var(--line);background:var(--panel);border-radius:8px}.editorial-unit .media-frame{margin:0 0 16px}.editorial-unit h3{margin:0 0 9px;color:var(--title);font-size:21px}.editorial-unit>p{color:var(--muted)}.attention-points{border-top:1px solid var(--line);padding-top:10px;margin-top:12px}.attention-points p{font-size:14px;margin:8px 0;color:var(--text)}
.reading-band{display:grid;grid-template-columns:260px minmax(0,1fr);gap:22px;align-items:center;padding:18px 0;border-top:1px solid var(--line)}.reading-band:first-of-type{border-top:0}.reading-band .media-frame{margin:0}.reading-band h3{margin:0 0 8px;color:var(--title);font-size:21px}.reading-band p{margin:0;color:var(--muted)}
.check-points{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin-top:14px}.check-points div{padding:12px;border:1px solid var(--line);border-radius:6px}.check-points strong{color:var(--paper);display:block}.check-points span{font-size:13px;color:var(--muted)}
.topic-block{padding:18px 0;border-top:1px solid var(--line)}.topic-block:first-of-type{border-top:0}.topic-block h3{margin:0 0 8px;color:var(--title)}.editor-label{display:inline-block;color:var(--paper);background:var(--wine);padding:2px 8px;border-radius:3px;font-size:12px;font-weight:800;margin-right:8px}
.clue-box{border-top:2px solid var(--red);border-bottom:1px solid var(--line);padding:22px 0}.mobile-read-layout{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(220px,.8fr);gap:28px;align-items:center}.mobile-read-layout .media-frame{margin:0}.mini-mark{margin-top:14px;display:flex;align-items:center;gap:14px}.mini-mark .media-frame{margin:0;width:82px}.final-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.final-grid article{padding:18px;border-top:2px solid var(--red);background:var(--panel)}.final-grid h3{margin:0 0 9px;color:var(--title)}.final-grid p{color:var(--muted)}
.faq-list details{border-top:1px solid var(--line);padding:2px 0}.faq-list details:last-child{border-bottom:1px solid var(--line)}.faq-list summary{cursor:pointer;min-height:52px;display:flex;align-items:center;color:var(--title);font-weight:800;list-style:none;padding-right:28px;position:relative}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary::after{content:'＋';position:absolute;right:4px;color:var(--red-hi)}.faq-list details[open] summary::after{content:'−'}.faq-answer{padding:0 0 18px;color:var(--muted)}
.site-footer{background:var(--footer);color:var(--footer-text);border-top:1px solid var(--red);padding:40px 0 34px}.footer-brand{display:grid;grid-template-columns:auto minmax(0,1fr);gap:24px;align-items:start}.footer-brand p{margin:0;color:var(--muted);max-width:820px}.footer-directory{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:18px;margin-top:28px;padding-top:24px;border-top:1px solid var(--line)}.footer-directory h2{font-size:13px;color:var(--amber);margin:0 0 8px}.footer-directory a{display:block;min-height:36px;padding:4px 0;color:var(--footer-text);font-size:14px}.footer-directory a[aria-current="page"]{color:var(--red-hi);font-weight:800}.copyright{margin:28px 0 0;padding-top:18px;border-top:1px solid var(--line);color:var(--quiet);font-size:13px}
.mobile-bottom-nav{display:none}
@media (max-width:1099px){.page-frame{grid-template-columns:1fr;gap:0}.desktop-sidebar{display:none}.directory-groups{grid-template-columns:repeat(2,minmax(0,1fr))}.search-results{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-directory{grid-template-columns:repeat(3,minmax(0,1fr))}.article-shell,.page-hero{max-width:850px}.tool-grid{grid-template-columns:1fr}.directory-tool{display:block}}
@media (min-width:1100px){.directory-tool{display:none}.tool-grid{grid-template-columns:1fr}.search-tool summary{max-width:250px}}
@media (max-width:767px){body{font-size:16px;padding-bottom:calc(68px + env(safe-area-inset-bottom))}.site-shell{width:min(calc(100% - 32px),var(--max))}.header-row{min-height:64px;gap:12px}.brand{gap:9px}.brand-logo{max-height:32px}.brand-copy strong{font-size:16px}.brand-copy small{font-size:9px}.header-quick a{padding:0 10px}.header-quick a:last-child{display:none}.page-frame{padding-top:24px;padding-bottom:36px}.directory-groups,.search-results{grid-template-columns:1fr}.directory-group{padding:13px}.search-controls{grid-template-columns:1fr}.page-hero h1,.home-intro h1{font-size:clamp(24px,7.2vw,28px)}.page-hero p,.lead{font-size:16px}.article-section{padding:26px 0}.article-section h2{font-size:21px}.home-hero,.split-media,.split-media.reverse,.mobile-read-layout{grid-template-columns:1fr}.home-hero{gap:18px;padding-top:4px}.home-hero .home-intro{order:1}.home-hero .hero-media{order:2}.hero-media img{max-height:260px}.path-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.home-section{padding:32px 0}.home-section>h2{font-size:22px}.focus-short,.status-grid,.compare-grid,.final-grid{grid-template-columns:1fr}.editorial-pair{grid-template-columns:1fr}.reading-band{grid-template-columns:1fr}.check-points{grid-template-columns:repeat(2,minmax(0,1fr))}.section-media img{max-height:none}.app-media img{max-height:360px}.reading-band .media-frame{max-width:100%}.footer-brand{grid-template-columns:1fr}.footer-directory{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 14px}.site-footer{padding-bottom:24px}.mobile-bottom-nav{position:fixed;display:grid;grid-template-columns:repeat(5,1fr);left:0;right:0;bottom:0;z-index:20;height:calc(56px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#0A0908;border-top:1px solid var(--line-strong);box-shadow:0 -8px 22px rgba(0,0,0,.28)}.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-bottom-nav .nav-dot{width:5px;height:5px;border-radius:50%;background:var(--quiet)}.mobile-bottom-nav a.is-current{color:var(--title);font-weight:800}.mobile-bottom-nav a.is-current .nav-dot{background:var(--red-hi)}.responsive-table,.responsive-table tbody,.responsive-table tr,.responsive-table td{display:block;width:100%}.responsive-table thead{display:none}.responsive-table tr{border:1px solid var(--line);margin-bottom:12px;background:var(--panel)}.responsive-table td{border:0;border-bottom:1px solid rgba(226,177,74,.09);display:grid;grid-template-columns:110px minmax(0,1fr);gap:10px}.responsive-table td::before{content:attr(data-label);color:var(--amber);font-weight:800}.responsive-table td:last-child{border-bottom:0}}
@media (max-width:374px){.site-shell{width:calc(100% - 32px)}.brand-copy small{display:none}.path-grid,.check-points,.footer-directory{grid-template-columns:1fr}.header-quick a{font-size:13px;padding:0 8px}.button-row{display:grid;grid-template-columns:1fr}}
.icon-media.media-fallback{height:72px;max-width:82px}