:root{--bg:#080808;--top:#050505;--panel:#121212;--card:#191919;--hover:#222;--red:#D71920;--red2:#F0343B;--deep:#8F1017;--text:#F5F5F5;--muted:#BDBDBD;--line:rgba(255,255,255,.13);--rline:rgba(215,25,32,.55);--shadow:0 14px 38px rgba(0,0,0,.38)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,"Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}.wrap{width:min(1220px,calc(100% - 32px));margin:auto}.site-header{position:sticky;top:0;z-index:40;box-shadow:0 8px 24px rgba(0,0,0,.28)}.brand-strip{height:22px;background:var(--deep);font-size:12px}.strip-inner{height:100%;display:flex;align-items:center;justify-content:space-between}.strip-brand span{opacity:.9}.strip-actions{display:flex;gap:16px;align-items:center}.text-btn{background:none;border:0;color:white;padding:0}.main-bar{height:56px;background:var(--top);border-bottom:1px solid var(--red)}.main-inner{height:100%;display:flex;align-items:center;gap:24px}.brand{display:flex;align-items:center;min-width:150px}.logo{display:block;max-height:28px;max-width:150px;object-fit:contain}.brand strong{font-size:22px;letter-spacing:.5px}.main-nav{display:flex;align-items:stretch;height:100%;gap:6px;flex:1}.main-nav a{display:flex;align-items:center;padding:0 14px;border-bottom:3px solid transparent;white-space:nowrap}.main-nav a:hover,.main-nav a.active{color:#fff;border-color:var(--red2)}.nav-tools{display:flex;gap:8px}.nav-tools button,.drawer-head button,.search-head button{min-height:44px;border:1px solid var(--rline);background:#0d0d0d;color:#fff;border-radius:7px;padding:0 15px}.menu-btn{background:var(--red)!important;border-color:var(--red)!important}.sub-bar{height:38px;background:#0b0b0b;border-bottom:1px solid var(--line)}.sub-nav{height:100%;display:flex;align-items:center;gap:25px}.sub-nav a{font-size:14px;color:#d9d9d9;white-space:nowrap}.sub-nav a.active,.sub-nav a:hover{color:var(--red2)}main{min-height:65vh}.overlay{position:fixed;inset:0;background:rgba(0,0,0,.68);opacity:0;pointer-events:none;transition:.2s;z-index:70}.overlay.open{opacity:1;pointer-events:auto}.drawer,.search-panel{position:fixed;top:0;right:0;height:100dvh;background:#101010;z-index:80;transform:translateX(102%);transition:.25s;box-shadow:var(--shadow);overflow:auto}.drawer{width:min(400px,calc(100vw - 24px))}.search-panel{width:min(420px,calc(100vw - 24px))}.drawer.open,.search-panel.open{transform:none}.panel-open{overflow:hidden}.drawer-head,.search-head{position:sticky;top:0;background:#090909;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:16px;z-index:2}.drawer-head small{display:block;color:var(--muted);font-weight:400}.drawer-body{padding:10px 16px 24px}.drawer-body h2{font-size:16px;color:var(--red2);margin:18px 0 8px}.drawer-links{display:grid;gap:8px}.drawer-links a,.search-results a{padding:11px 12px;border:1px solid var(--line);border-radius:8px;background:var(--card)}.drawer-links b,.drawer-links span,.search-results b,.search-results span{display:block}.drawer-links span,.search-results span{font-size:13px;color:var(--muted)}.search-box{display:block;padding:18px}.search-box span{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}.search-box input{width:100%;min-height:46px;background:#191919;color:#fff;border:1px solid var(--rline);border-radius:8px;padding:0 12px}.search-results{padding:0 18px;display:grid;gap:8px}.quick-links{padding:18px;display:grid;grid-template-columns:1fr 1fr;gap:8px}.quick-links a{border:1px solid var(--line);padding:10px;border-radius:7px;text-align:center}.page-shell{padding:34px 0 56px}.eyebrow{font-size:13px;color:var(--red2);letter-spacing:.08em;text-transform:uppercase}.page-head{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:28px;align-items:start;padding:26px 0 30px}.page-head h1,.hero h1{font-size:clamp(28px,4vw,32px);line-height:1.3;margin:7px 0 10px}.lead{font-size:17px;color:#d9d9d9;max-width:760px}.media-safe{display:flex;align-items:center;justify-content:center;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:12px;min-height:0}.media-safe img{display:block;max-width:100%;height:auto;max-height:180px;object-fit:contain;object-position:center}.media-safe.banner img{max-height:240px}.media-safe.app img{max-height:420px}.content-grid{display:grid;grid-template-columns:minmax(0,760px) 320px;gap:32px;align-items:start}.article{min-width:0}.article section{margin:0 0 34px}.article h2,.section-title{font-size:22px;line-height:1.35;margin:0 0 12px;padding-left:12px;border-left:3px solid var(--red)}.article h3{font-size:18px;margin:18px 0 8px}.article p{margin:0 0 14px;color:#f1f1f1}.aside-card,.info-card,.method-card,.rank-card,.timeline-item,.faq-item{background:var(--card);border:1px solid var(--line);border-radius:9px;padding:18px}.aside-card{position:sticky;top:132px}.aside-card h2{font-size:18px;margin:0 0 12px}.aside-card a{display:block;border-top:1px solid var(--line);padding:11px 0;color:#ddd}.aside-card a:hover{color:var(--red2)}.note{border-left:3px solid var(--red);background:#121212;padding:15px 17px;color:#d9d9d9;margin:18px 0}.chip{display:inline-block;border:1px solid var(--rline);color:#fff;border-radius:999px;padding:2px 9px;font-size:12px;margin-right:7px}.grid-2,.grid-3{display:grid;gap:16px}.grid-2{grid-template-columns:1fr 1fr}.grid-3{grid-template-columns:repeat(3,1fr)}.info-card h3,.method-card h3{margin:0 0 8px}.info-card p,.method-card p{margin:0;color:#d9d9d9}.btn-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.btn{display:inline-flex;min-height:44px;align-items:center;padding:0 16px;border-radius:7px;border:1px solid var(--red);background:var(--red);color:#fff}.btn.secondary{background:transparent}.hero-wrap{padding:28px 0}.notice-band{border-left:4px solid var(--red);background:#111;padding:9px 13px;margin-bottom:14px}.hero{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:center;background:#101010;border:1px solid var(--line);border-radius:10px;padding:24px}.home-section{padding:28px 0;border-top:1px solid var(--line)}.section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:16px}.section-head h2{margin:0;font-size:23px}.section-head p{margin:0;color:var(--muted);max-width:650px}.list-lines{display:grid;gap:10px}.line-item{padding:14px 0;border-bottom:1px solid var(--line)}.line-item h3{margin:0 0 4px;font-size:18px}.line-item p{margin:0;color:#d0d0d0}.status{font-size:12px;color:var(--red2)}.rank-list{counter-reset:rank;display:grid;gap:8px}.rank-card{display:grid;grid-template-columns:34px 1fr;gap:10px}.rank-card:before{counter-increment:rank;content:counter(rank,decimal-leading-zero);color:var(--red2);font-weight:700}.path{display:grid;grid-template-columns:repeat(5,1fr);gap:8px}.path div{background:var(--card);border-top:2px solid var(--red);padding:14px;border-radius:7px}.timeline{position:relative;display:grid;gap:14px}.timeline:before{content:"";position:absolute;left:14px;top:7px;bottom:7px;width:2px;background:var(--deep)}.timeline-item{position:relative;margin-left:34px}.timeline-item:before{content:"";position:absolute;width:10px;height:10px;border-radius:50%;background:var(--red);left:-26px;top:22px}.index-table{width:100%;border-collapse:collapse}.index-table th,.index-table td{border-bottom:1px solid var(--line);padding:11px;text-align:left}.index-table th{color:var(--red2)}.faq-list{display:grid;gap:12px}.faq-item h2,.faq-item h3{font-size:18px;margin:0 0 8px;border:0;padding:0}.faq-item p{margin:0;color:#e2e2e2}.site-footer{background:#050505;border-top:2px solid var(--red);padding:34px 0 18px}.footer-grid{display:grid;grid-template-columns:1.8fr repeat(3,1fr);gap:28px}.site-footer h2,.site-footer h3{margin:0 0 10px}.site-footer a{display:block;color:#d5d5d5;padding:4px 0}.footer-brand p{max-width:460px;color:#bdbdbd}.footer-bottom{border-top:1px solid var(--line);margin-top:24px;padding-top:14px;display:flex;justify-content:space-between;gap:20px;color:#999;font-size:13px}.mobile-nav{display:none}a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--red2);outline-offset:2px}
@media(max-width:980px){.main-nav a{padding:0 8px}.sub-nav{gap:14px}.page-head,.content-grid{grid-template-columns:1fr}.aside-card{position:static}.page-head .media-safe{max-width:520px}.footer-grid{grid-template-columns:1.5fr 1fr 1fr}.footer-grid>div:last-child{grid-column:2/4}.grid-3{grid-template-columns:1fr 1fr}.path{grid-template-columns:1fr 1fr 1fr}}
@media(max-width:760px){body{padding-bottom:70px}.wrap{width:min(100% - 32px,1220px)}.site-header{position:sticky}.brand-strip{height:22px}.main-bar{height:56px}.sub-bar,.main-nav,.search-btn{display:none}.main-inner{justify-content:space-between}.brand{min-width:auto}.page-shell{padding-top:24px}.page-head{padding-top:16px}.hero{grid-template-columns:1fr;padding:18px}.hero .media-safe{order:-1}.grid-2,.grid-3{grid-template-columns:1fr}.path{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.footer-grid>div:last-child{grid-column:auto}.footer-bottom{flex-direction:column}.mobile-nav{display:grid;grid-template-columns:repeat(5,1fr);position:fixed;bottom:0;left:0;right:0;height:calc(54px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#050505;border-top:1px solid var(--red);z-index:50}.mobile-nav a,.mobile-nav button{display:flex;align-items:center;justify-content:center;background:none;border:0;color:#fff;font-size:13px;position:relative}.mobile-nav a.active{color:var(--red2)}.mobile-nav a.active:before{content:"";position:absolute;top:0;width:22px;height:2px;background:var(--red2)}.panel-open .mobile-nav{z-index:40}.page-head .media-safe img{max-height:180px}}