:root{color-scheme:dark;--bg:#0C0B0A;--deep:#161311;--panel:#1C1916;--panel2:#26221D;--paper:#F3E6D2;--title:#FFF8F0;--text:#EDE4D8;--muted:#B7A898;--soft:#8A7B6C;--red:#E11D2E;--red2:#FF4A4F;--wine:#8B1E2D;--orange:#E25A2A;--amber:#E2B14A;--line:rgba(226,177,74,.16);--line2:rgba(225,29,46,.40);--shadow:0 18px 44px rgba(0,0,0,.46);--footer:#080706;--footerText:#D8CBBA;--max:1280px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:20px}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-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}img{max-width:100%;height:auto;display:block}button,input{font:inherit}.skip-link{position:absolute;left:16px;top:-80px;background:var(--paper);color:#2b1c15;padding:10px 14px;z-index:20;border-radius:6px}.skip-link:focus{top:10px}.site-header{background:var(--deep);border-bottom:1px solid var(--line)}.header-inner,.tool-inner,.page-shell,.footer-inner{width:min(calc(100% - 32px),var(--max));margin:0 auto}.header-inner{min-height:80px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:12px;min-width:0}.brand-logo{height:34px;width:auto;max-width:160px;object-fit:contain}.brand-text-logo{font-weight:900;font-size:24px;color:var(--title);letter-spacing:.04em}.brand-copy{display:flex;flex-direction:column;line-height:1.15}.brand-copy strong{font-size:20px;color:var(--title)}.brand-copy small{font-size:11px;letter-spacing:.14em;color:var(--muted);margin-top:4px}.header-links{display:flex;align-items:center;gap:8px}.header-links a{min-height:44px;padding:9px 13px;display:flex;align-items:center;border-radius:6px;color:var(--muted)}.header-links a:hover,.header-links a[aria-current=page]{background:var(--panel2);color:var(--title)}
.tool-region{border-bottom:1px solid var(--line);background:#100e0d}.tool-inner{display:grid;grid-template-columns:minmax(180px,.42fr) minmax(320px,1fr);gap:12px;padding:12px 0}.site-tool{min-width:0;border:1px solid var(--line);border-radius:8px;background:var(--deep)}.site-tool>summary{list-style:none;cursor:pointer;min-height:44px;display:flex;align-items:center;justify-content:space-between;padding:8px 14px;color:var(--title);font-weight:700}.site-tool>summary::-webkit-details-marker{display:none}.summary-state:after{content:"+";color:var(--red2);font-size:20px}.site-tool[open] .summary-state:after{content:"−"}.tool-panel{padding:8px 14px 14px;border-top:1px solid var(--line)}.directory-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.directory-group{min-width:0}.directory-group h2{font-size:14px;color:var(--amber);margin:4px 0 8px}.directory-link{display:block;padding:8px 0;border-top:1px solid rgba(255,255,255,.05)}.directory-link strong,.search-result strong{display:block;color:var(--title)}.directory-link span,.search-result span{display:block;color:var(--muted);font-size:13px;line-height:1.55}.directory-link[aria-current=page] strong{color:var(--red2)}.tool-close,.search-clear{min-height:44px;border:1px solid var(--line2);background:transparent;color:var(--text);border-radius:6px;padding:8px 14px;cursor:pointer}.tool-close{margin-top:12px}.search-form label{display:block;color:var(--paper);font-weight:700;margin-bottom:7px}.search-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px}.search-row input{min-width:0;min-height:44px;border-radius:6px;border:1px solid var(--line);background:#0b0a09;color:var(--text);padding:9px 12px}.search-results{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-top:12px;max-height:330px;overflow:auto;padding-right:4px}.search-result{min-width:0;border:1px solid rgba(255,255,255,.06);padding:9px;border-radius:6px;background:rgba(255,255,255,.02)}.search-result[hidden]{display:none}.search-empty{grid-column:1/-1;color:var(--muted)}
.page-shell{display:grid;grid-template-columns:196px minmax(0,1fr);gap:24px;align-items:start;padding:34px 0 64px}.desktop-sidebar{min-width:0}.sidebar-group{border-top:1px solid var(--line);padding:13px 0 10px}.sidebar-group h2{margin:0 0 7px;color:var(--soft);font-size:13px;letter-spacing:.08em}.sidebar-group a{display:block;min-height:42px;padding:8px 9px 8px 16px;color:var(--muted);position:relative;border-radius:5px}.sidebar-group a[aria-current=page]{color:var(--title);background:var(--panel2);font-weight:700}.sidebar-group a[aria-current=page]:before{content:"";position:absolute;left:5px;top:13px;width:3px;height:16px;background:var(--red);border-radius:2px}.sidebar-directory{display:flex;min-height:44px;align-items:center;padding:8px 10px;border:1px solid var(--line2);border-radius:6px;color:var(--paper);margin-top:10px}.site-main{min-width:0}.breadcrumbs{color:var(--soft);font-size:13px;margin-bottom:14px}.breadcrumbs a{color:var(--muted)}.page-head{margin-bottom:34px;max-width:860px}.eyebrow{color:var(--red2);font-weight:800;font-size:13px;letter-spacing:.08em}.page-head h1,.hero-copy h1{font-size:clamp(28px,3vw,32px);line-height:1.25;color:var(--title);margin:8px 0 12px}.page-lead{font-size:18px;color:var(--paper);line-height:1.75;margin:0}.content-section{margin:46px 0}.content-section:first-child{margin-top:0}.section-kicker{font-size:13px;color:var(--red2);font-weight:800;letter-spacing:.08em}.content-section h2{font-size:24px;line-height:1.35;color:var(--title);margin:7px 0 16px}.content-section h3{font-size:18px;color:var(--paper);margin:20px 0 8px}.article-copy{max-width:780px}.article-copy p{margin:0 0 16px}.article-copy strong{color:var(--title)}.editor-note{border-left:3px solid var(--red);padding:12px 16px;background:var(--deep);max-width:780px}.media-box{margin:0;min-width:0;padding:12px;background:var(--deep);border:1px solid var(--line);border-radius:8px;display:flex;align-items:center;justify-content:center}.media-box img{object-fit:contain;object-position:center;max-height:240px;width:auto;max-width:100%}.media-fallback{min-height:150px;background:linear-gradient(135deg,#17110f,#35161a);color:var(--paper);font-weight:800;letter-spacing:.06em}.media-fallback span{padding:14px;text-align:center}.hero-media img{max-height:300px}.app-media img{max-height:420px}.mini-mark img{max-height:72px}.hero-grid,.split-grid,.media-text{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:28px;align-items:center}.hero-grid{background:var(--panel);padding:28px;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:8px}.hero-copy p{max-width:620px}.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}.btn{min-height:44px;display:inline-flex;align-items:center;justify-content:center;padding:9px 16px;border-radius:6px;font-weight:800}.btn-primary{background:linear-gradient(135deg,#FF4A4F 0%,#E11D2E 46%,#E25A2A 100%);color:#fff8f0}.btn-secondary{background:var(--paper);color:#36251d}.path-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.path-item{padding:16px;border-top:2px solid var(--red);background:var(--deep);min-width:0}.path-item strong{display:block;color:var(--title);margin-bottom:6px}.path-item span{color:var(--muted);font-size:14px}.digest-layout{display:grid;grid-template-columns:minmax(180px,.36fr) minmax(0,1fr);gap:24px;align-items:start}.digest-list{display:grid;gap:12px}.digest-item{padding:14px 0;border-bottom:1px solid var(--line)}.digest-item h3{margin:0 0 6px}.digest-item p{margin:0;color:var(--muted)}.digest-item a{color:var(--paper);font-weight:700}.feature-stack{display:grid;gap:12px;margin-top:18px}.feature-stack article{padding:13px 15px;border-left:2px solid var(--wine);background:var(--deep)}.feature-stack h3{margin:0 0 4px;font-size:16px}.feature-stack p{margin:0;color:var(--muted)}.unequal-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:24px;align-items:start}.editor-unit{min-width:0}.editor-unit .media-box{margin-bottom:16px}.editor-unit h2{font-size:22px;margin:0 0 10px}.reading-points{border-top:1px solid var(--line);margin-top:14px}.reading-points p{padding:10px 0;margin:0;border-bottom:1px solid rgba(255,255,255,.05);color:var(--muted)}.reading-band{display:grid;grid-template-columns:minmax(220px,.42fr) minmax(0,1fr);gap:24px;align-items:center;padding:20px 0;border-top:1px solid var(--line)}.reading-band:last-child{border-bottom:1px solid var(--line)}.check-grid,.compare-grid,.status-grid,.topic-grid,.text-trio{display:grid;gap:12px}.compare-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.check-grid{grid-template-columns:repeat(4,minmax(0,1fr));margin-top:18px}.status-grid{grid-template-columns:repeat(3,minmax(0,1fr));margin-top:18px}.topic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.text-trio{grid-template-columns:repeat(3,minmax(0,1fr))}.compare-card,.check-card,.status-card,.topic-card,.text-card{min-width:0;padding:16px;background:var(--deep);border:1px solid var(--line);border-radius:6px}.compare-card h3,.check-card h3,.status-card h3,.topic-card h3,.text-card h3{margin:0 0 7px;font-size:16px;color:var(--title)}.compare-card p,.check-card p,.status-card p,.topic-card p,.text-card p{margin:0;color:var(--muted)}.status-card{border-top:3px solid var(--red)}.paper-panel{background:var(--paper);color:#34261f;padding:20px;border-radius:8px}.paper-panel h2,.paper-panel h3,.paper-panel strong{color:#241711}.paper-panel p{color:#46362d}.red-rule{border-top:2px solid var(--red);padding-top:18px}.section-link{display:inline-flex;min-height:44px;align-items:center;color:var(--paper);font-weight:800;border-bottom:1px solid var(--red);margin-top:6px}.related-links{display:flex;flex-wrap:wrap;gap:9px;margin-top:30px;padding-top:18px;border-top:1px solid var(--line)}.related-links a{min-height:44px;display:inline-flex;align-items:center;padding:8px 12px;background:var(--deep);border:1px solid var(--line);border-radius:6px}.article-toc{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin:20px 0 30px}.article-toc a{padding:10px 12px;border-left:2px solid var(--red);background:var(--deep)}.data-table{width:100%;border-collapse:collapse;margin:16px 0}.data-table th,.data-table td{text-align:left;vertical-align:top;padding:12px;border-bottom:1px solid var(--line)}.data-table th{color:var(--paper);width:22%}.faq-list details{border-top:1px solid var(--line);padding:3px 0}.faq-list summary{cursor:pointer;min-height:48px;padding:10px 4px;font-weight:800;color:var(--title)}.faq-list details p{max-width:800px;margin:0 0 16px;color:var(--muted)}
.site-footer{background:var(--footer);border-top:2px solid var(--red);color:var(--footerText)}.footer-inner{padding:38px 0 90px}.footer-brand{display:grid;grid-template-columns:minmax(220px,.4fr) minmax(0,1fr);gap:32px;align-items:start}.footer-brand p{margin:0;color:var(--muted);max-width:760px}.footer-directory{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:22px;margin-top:34px}.footer-group h2{font-size:13px;color:var(--amber);margin:0 0 8px}.footer-group a{display:block;padding:4px 0;color:var(--muted);font-size:14px}.footer-group a[aria-current=page]{color:var(--red2)}.copyright{margin:30px 0 0;padding-top:18px;border-top:1px solid var(--line);font-size:13px;color:var(--soft)}.mobile-bottom-nav{display:none}
@media (min-width:1100px) and (min-height:900px){.desktop-sidebar{position:sticky;top:20px}}
@media (max-width:1099px){.page-shell{display:block}.desktop-sidebar{display:none}.tool-inner{grid-template-columns:1fr 1fr}.directory-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.search-results{grid-template-columns:repeat(2,minmax(0,1fr))}.site-main{width:100%}}
@media (max-width:767px){body{padding-bottom:calc(76px + env(safe-area-inset-bottom))}.header-inner{min-height:64px;gap:12px}.brand-logo{height:30px}.brand-copy strong{font-size:18px}.brand-copy small{font-size:9px}.faq-top-link{display:none}.header-links a{padding:8px 10px}.tool-inner{grid-template-columns:1fr;padding:10px 0}.search-tool{order:2}.directory-grid,.search-results{grid-template-columns:1fr}.site-tool.search-tool:not([open]) .tool-panel{display:none}.page-shell{padding:24px 0 38px}.page-head{margin-bottom:28px}.page-head h1,.hero-copy h1{font-size:clamp(24px,7vw,28px)}.page-lead{font-size:17px}.content-section{margin:32px 0}.content-section h2{font-size:21px}.hero-grid,.split-grid,.media-text,.digest-layout,.unequal-grid,.reading-band,.footer-brand{grid-template-columns:1fr;gap:18px}.hero-grid{padding:18px}.hero-grid .hero-copy{order:1}.hero-grid .hero-media{order:2}.path-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.compare-grid,.status-grid,.text-trio,.check-grid,.topic-grid{grid-template-columns:1fr}.article-toc{grid-template-columns:1fr}.media-box{padding:8px}.media-box img{max-height:220px}.hero-media img{max-height:260px}.app-media img{max-height:360px}.media-fallback{min-height:120px}.footer-directory{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.footer-inner{padding-bottom:36px}.mobile-bottom-nav{position:fixed;left:0;right:0;bottom:0;z-index:10;display:grid;grid-template-columns:repeat(5,1fr);min-height:56px;padding-bottom:env(safe-area-inset-bottom);background:rgba(8,7,6,.97);border-top:1px solid var(--line2)}.mobile-bottom-nav a{min-width:0;min-height:56px;display:flex;flex-direction:column;gap:2px;align-items:center;justify-content:center;color:var(--muted);font-size:12px}.mobile-bottom-nav a[aria-current=page]{color:var(--title);font-weight:800}.nav-dot{width:5px;height:5px;border-radius:50%;background:transparent}.mobile-bottom-nav a[aria-current=page] .nav-dot{background:var(--red)}.data-table,.data-table tbody,.data-table tr,.data-table th,.data-table td{display:block;width:100%}.data-table thead{display:none}.data-table tr{padding:10px 0;border-bottom:1px solid var(--line)}.data-table td{border:0;padding:6px 0}.data-table td:before{content:attr(data-label);display:block;color:var(--paper);font-weight:800;font-size:13px}.content-media img{max-width:100%}}
@media (max-width:390px){.header-inner,.tool-inner,.page-shell,.footer-inner{width:min(calc(100% - 32px),var(--max))}.brand-copy small{display:none}.path-grid{grid-template-columns:1fr}.footer-directory{grid-template-columns:1fr 1fr}.btn{width:100%}.actions{display:grid;grid-template-columns:1fr}}

.spaced-media{margin-top:24px}.spaced-eyebrow{margin-top:22px}
@media (min-width:1100px){.directory-tool{display:none}.tool-inner{grid-template-columns:1fr}}