:root{color-scheme:dark;--bg:#101115;--panel:#15161A;--panel2:#1B1C21;--panel3:#202127;--gold:#F8C84A;--text:#EDEFF5;--muted:#B8BEC9;--soft:#8E96A6;--foot:#08090C;--foottext:#D8DEEA;--line:rgba(248,200,74,.16);--shadow:0 14px 36px rgba(0,0,0,.35)}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--bg)}
body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;overflow-x:hidden;line-height:1.8}
a{color:inherit} img{max-width:100%}
.site-header{position:sticky;top:0;z-index:9999;width:100%;background:#101115;box-shadow:0 8px 24px rgba(0,0,0,.28);backdrop-filter:blur(10px)}
.header-inner{max-width:1180px;min-height:70px;margin:0 auto;padding:0 18px;display:flex;align-items:center;justify-content:space-between;gap:14px;white-space:nowrap}
.site-logo,.drawer-logo,.footer-logo{display:inline-flex;align-items:center;text-decoration:none;min-width:126px}
.site-logo img{display:block;height:40px;width:auto;max-width:160px;object-fit:contain}
.drawer-logo img,.footer-logo img{display:block;height:42px;width:auto;max-width:170px;object-fit:contain}
.logo-fallback{display:inline-flex;align-items:center;justify-content:center;min-width:126px;height:40px;border:1px solid var(--line);border-radius:10px;color:var(--gold);font-weight:800;letter-spacing:.08em;background:#15161A}
.nav-core{display:flex;align-items:center;justify-content:center;gap:2px;min-width:0}
.nav-core a{color:#F8C84A;padding:8px 11px;font-weight:700;text-decoration:none;white-space:nowrap}
.nav-core a.is-current,.nav-core a:hover{color:#FFE45A;border-bottom:2px solid #F8C84A}
.main-btn{display:inline-flex;align-items:center;justify-content:center;height:42px;min-width:96px;padding:0 20px;background:linear-gradient(180deg,#FFE45A 0%,#F8B832 45%,#F3941F 100%);color:#101115;border-radius:999px;text-decoration:none;font-weight:700;box-shadow:0 10px 24px rgba(243,148,31,.28)}
.header-cta{flex:0 0 auto}
.menu-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;background:#15161A;padding:9px;cursor:pointer}
.menu-toggle span{display:block;height:2px;background:#F8C84A;margin:5px 0;border-radius:2px}
.channel-strip{background:#15161A;border-top:1px solid rgba(255,255,255,.03);border-bottom:1px solid rgba(255,255,255,.04);overflow:hidden}
.channel-inner{max-width:1180px;margin:0 auto;padding:0 18px;display:flex;overflow-x:auto;scrollbar-width:thin;overscroll-behavior-inline:contain}
.channel-inner a{flex:0 0 auto;padding:11px 12px;color:#B8BEC9;text-decoration:none;font-size:14px;white-space:nowrap}.channel-inner a:hover{color:#F8C84A}
.site-main{min-height:65vh}
.shell{width:min(1180px,calc(100% - 36px));margin:0 auto}.reading{width:min(820px,calc(100% - 36px));margin:0 auto}
.page-hero{padding:56px 0 26px}.page-hero.compact{padding-bottom:10px}.eyebrow{color:var(--gold);font-weight:800;letter-spacing:.12em;font-size:13px;text-transform:uppercase}
h1{font-size:clamp(34px,4vw,46px);line-height:1.2;margin:10px 0 16px;color:var(--gold);letter-spacing:-.02em}h2{color:var(--gold);line-height:1.35}h3{color:#FFE45A}
.lead{font-size:18px;color:#DCE1EA;max-width:850px;margin:0}.muted{color:var(--muted)}
.section{padding:44px 0}.section-tight{padding:28px 0}.section-title{font-size:28px;margin:0 0 18px}.section-intro{color:var(--muted);max-width:820px;margin:0 0 24px}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);padding:24px}.panel.alt{background:var(--panel2)}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:22px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.stack{display:grid;gap:18px}
.link-card{display:block;text-decoration:none;background:var(--panel);border:1px solid var(--line);border-radius:15px;padding:20px;box-shadow:var(--shadow)}.link-card strong{display:block;color:var(--gold);font-size:19px;margin-bottom:6px}.link-card span{color:var(--muted);font-size:14px}.link-card:hover{border-color:rgba(248,200,74,.45);transform:translateY(-1px)}
.media{position:relative;width:100%;max-width:100%;overflow:hidden;border-radius:14px;background:#15161A;aspect-ratio:16/9}.media>img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;object-position:center center;display:block}.media-placeholder{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#15161A,#202127);border:1px solid rgba(248,200,74,.08)}
.media-card{height:160px;aspect-ratio:auto}.media-wide{height:224px;aspect-ratio:auto}
.split-media{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.08fr);gap:26px;align-items:center}.split-media.reverse{grid-template-columns:minmax(0,1.08fr) minmax(0,1fr)}
.notice-box{padding:18px 20px;border-left:3px solid var(--gold);background:var(--panel2);border-radius:0 14px 14px 0;color:#D8DEEA}.notice-box strong{color:var(--gold)}
.toc{display:flex;flex-wrap:wrap;gap:10px}.toc a,.topic-chip{display:inline-flex;align-items:center;min-height:38px;padding:6px 14px;border:1px solid var(--line);border-radius:999px;text-decoration:none;color:#D8DEEA;background:#15161A}.toc a:hover,.topic-chip:hover{color:var(--gold);border-color:rgba(248,200,74,.42)}
.steps{counter-reset:step;display:grid;gap:14px}.step{position:relative;padding:18px 18px 18px 62px;background:var(--panel);border:1px solid var(--line);border-radius:14px}.step:before{counter-increment:step;content:counter(step);position:absolute;left:18px;top:18px;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:var(--gold);color:#101115;font-weight:800}.step h2,.step h3{margin:0 0 8px;font-size:20px}.step p{margin:0;color:var(--muted)}
.compare{display:grid;grid-template-columns:1fr 1fr;gap:18px}.compare>div{background:var(--panel);border:1px solid var(--line);border-radius:15px;padding:22px}.compare h2{font-size:21px;margin-top:0}.compare p{color:var(--muted)}
.related-links{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.related-links a{text-decoration:none;border:1px solid var(--line);border-radius:14px;padding:16px;background:var(--panel)}.related-links strong{color:var(--gold);display:block}.related-links span{font-size:13px;color:var(--muted)}
.article p{margin:0 0 20px;color:#E3E7EF}.article h2{margin:34px 0 12px;font-size:25px}.article ul{padding-left:1.2em}.article li{margin:8px 0;color:#DCE1EA}
.rule-list{display:grid;gap:10px;margin:0;padding:0;list-style:none}.rule-list li{padding:14px 16px;border-bottom:1px solid rgba(255,255,255,.07);color:#DDE2EA}.rule-list li:last-child{border-bottom:0}
.magazine{display:grid;grid-template-columns:58fr 42fr;gap:22px;align-items:stretch}.magazine-main{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:22px;box-shadow:var(--shadow)}.magazine-main .media{margin-top:18px}.magazine-side{display:grid;gap:14px}.magazine-side .link-card{min-height:0}
.topic-scroller{display:flex;gap:10px;overflow-x:auto;padding:4px 2px 12px;scrollbar-width:thin;overscroll-behavior-inline:contain}.topic-scroller a{flex:0 0 auto}
.boundary{max-width:840px;margin:0 auto;font-size:17px;color:#D7DCE5}
.slider-wrap{padding:28px 0 18px}.hero-slider{position:relative;width:min(1180px,calc(100% - 36px));height:340px;margin:0 auto;border-radius:16px;overflow:hidden;background:#15161A;box-shadow:var(--shadow)}.slide{position:absolute;inset:0;opacity:0;pointer-events:none;transition:opacity .35s ease}.slide.is-active{opacity:1;pointer-events:auto}.slide .media{height:100%;aspect-ratio:auto;border-radius:0}.slide .media img{object-fit:contain}.slider-prev,.slider-next{position:absolute;top:50%;transform:translateY(-50%);z-index:5;width:42px;height:42px;border-radius:50%;border:1px solid var(--line);background:rgba(16,17,21,.78);color:var(--gold);font-size:22px;cursor:pointer}.slider-prev{left:14px}.slider-next{right:14px}.slider-dots{position:absolute;z-index:5;left:50%;bottom:14px;transform:translateX(-50%);display:flex;gap:8px}.slider-dot{width:9px;height:9px;border-radius:50%;border:0;background:#6E7480;padding:0;cursor:pointer}.slider-dot.is-active{background:var(--gold)}
.faq-list{display:grid;gap:16px}.faq-item{background:var(--panel);border:1px solid var(--line);border-radius:15px;padding:20px}.faq-item h2{font-size:20px;margin:0 0 8px}.faq-item p{margin:0;color:#DCE1EA}
.service-index{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.service-index a{text-decoration:none;background:var(--panel);border:1px solid var(--line);border-radius:15px;padding:22px}.service-index strong{color:var(--gold);display:block;font-size:20px}.service-index span{color:var(--muted);font-size:14px}
.floating-tools{position:fixed;right:12px;top:48%;transform:translateY(-50%);z-index:9000;display:grid;gap:7px;width:88px}.floating-tools a{display:flex;align-items:center;justify-content:center;min-height:38px;padding:7px 6px;background:#15161A;border:1px solid var(--line);border-radius:10px;color:#F8C84A;text-decoration:none;font-size:12px;text-align:center;box-shadow:0 8px 20px rgba(0,0,0,.28)}.floating-tools .float-register{background:linear-gradient(180deg,#FFE45A 0%,#F8B832 45%,#F3941F 100%);color:#101115;font-weight:800}
.site-footer{background:#08090C;color:#D8DEEA;margin-top:56px}.footer-grid{max-width:1180px;margin:0 auto;padding:48px 18px 34px;display:grid;grid-template-columns:1.15fr 1fr 1.3fr 1.1fr;gap:28px}.footer-grid h2{font-size:16px;margin:0 0 12px;color:#F8C84A}.footer-grid a{display:block;text-decoration:none;color:#B8BEC9;font-size:14px;padding:3px 0}.footer-grid a:hover{color:#F8C84A}.footer-brand p{color:#8E96A6;font-size:14px;max-width:260px}.footer-bottom{max-width:1180px;margin:0 auto;padding:20px 18px 28px;border-top:1px solid rgba(255,255,255,.08);color:#8E96A6;font-size:13px}.footer-bottom span{display:block;margin-top:6px;color:#B8BEC9}
.mobile-bottom{display:none}.mobile-drawer,.drawer-mask{display:none}
.drawer-open{overflow:hidden}
@media(min-width:1101px){.site-main{padding-right:60px}}
@media(max-width:1100px){.floating-tools{display:none}.nav-core a{padding:8px 8px}.header-inner{padding-right:16px}.grid-4{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:980px){
  .channel-strip,.nav-core{display:none}.menu-toggle{display:block;flex:0 0 42px}.header-inner{min-height:64px;padding:0 12px;gap:8px}.site-logo{position:absolute;left:50%;transform:translateX(-50%);min-width:0}.site-logo img{height:36px;max-width:145px}.site-logo .logo-fallback{min-width:112px;height:36px;font-size:14px}.header-cta{height:40px;min-width:84px;padding:0 14px;font-size:14px;margin-left:auto}.site-main{padding-bottom:66px}
  .mobile-drawer{display:block;position:fixed;inset:0 auto 0 0;width:min(84vw,320px);background:#15161A;z-index:12000;transform:translateX(-105%);transition:transform .2s ease;box-shadow:18px 0 40px rgba(0,0,0,.36);overflow-y:auto}
  .mobile-drawer.is-open{transform:translateX(0)}
  .drawer-mask{display:none;position:fixed;inset:0;background:rgba(0,0,0,.52);z-index:11000;opacity:0;pointer-events:none;transition:opacity .18s ease}
  .drawer-mask.is-visible{display:block;opacity:1;pointer-events:auto}
  .drawer-head{position:sticky;top:0;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;background:#15161A;border-bottom:1px solid rgba(255,255,255,.07);z-index:2}.drawer-close{width:40px;height:40px;border:1px solid var(--line);border-radius:10px;background:#202127;color:#F8C84A;font-size:24px;cursor:pointer}.drawer-nav{padding:12px 16px 28px}.drawer-nav section{padding:10px 0;border-bottom:1px solid rgba(255,255,255,.06)}.drawer-nav h2{font-size:13px;letter-spacing:.1em;margin:0 0 7px;color:#8E96A6}.drawer-nav a{display:block;padding:8px 4px;color:#D8DEEA;text-decoration:none}.drawer-nav a:hover{color:#F8C84A}
  .mobile-bottom{position:fixed;display:grid;grid-template-columns:repeat(4,1fr);left:0;right:0;bottom:0;z-index:9500;background:#101115;border-top:1px solid var(--line);padding:5px max(6px,env(safe-area-inset-right)) calc(5px + env(safe-area-inset-bottom)) max(6px,env(safe-area-inset-left));box-shadow:0 -10px 28px rgba(0,0,0,.28)}.mobile-bottom a{text-align:center;padding:8px 4px;color:#F8C84A;text-decoration:none;font-size:13px;font-weight:700}
  .hero-slider{height:260px}.magazine{grid-template-columns:1fr}.grid-3{grid-template-columns:repeat(3,1fr)}.split-media,.split-media.reverse{grid-template-columns:1fr 1fr}.footer-grid{padding-bottom:90px}
}
@media(max-width:720px){.shell,.reading{width:min(100% - 28px,1180px)}.page-hero{padding:36px 0 18px}h1{font-size:clamp(26px,8vw,32px)}.lead{font-size:16px}.section{padding:32px 0}.section-title{font-size:24px}.grid-2,.grid-3,.compare,.service-index,.split-media,.split-media.reverse,.related-links{grid-template-columns:1fr}.hero-slider{width:calc(100% - 28px);height:190px}.slider-prev,.slider-next{width:36px;height:36px}.magazine-main,.panel{padding:18px}.media-wide{height:auto;aspect-ratio:16/9}.media-card{height:auto;aspect-ratio:16/9}.footer-grid{grid-template-columns:1fr;gap:20px}.footer-brand p{max-width:none}.footer-grid>div:nth-child(3){columns:2;column-gap:24px}.footer-grid>div:nth-child(3) h2{column-span:all}.article h2{font-size:22px}}
@media(max-width:430px){.header-inner{min-height:62px}.header-cta{min-width:78px;padding:0 12px;font-size:13px}.site-logo img{max-width:130px;height:34px}.menu-toggle{width:40px;height:40px}.hero-slider{height:170px}.footer-grid>div:nth-child(3){columns:1}}
@media(max-width:390px){.site-logo img{max-width:120px}.header-cta{min-width:74px;padding:0 10px}.menu-toggle{width:38px;height:38px}}
@media(max-width:375px){.header-inner{padding:0 10px}.site-logo img{max-width:112px}.header-cta{min-width:70px;padding:0 9px;font-size:12px}.menu-toggle{width:37px;height:37px;padding:8px}}