*{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden}
body{margin:0;background:#101115;color:#EDEFF5;font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.8;overflow-x:hidden}
a{color:inherit}img{max-width:100%}button,input,select,textarea{font:inherit}
body.drawer-open{overflow:hidden}
.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}
.site-logo,.drawer-logo,.footer-logo{display:inline-flex;align-items:center;flex:0 0 auto;text-decoration:none}.site-logo img{display:block;height:40px;width:auto;max-width:160px;object-fit:contain}.drawer-logo img,.footer-logo img{height:42px;width:auto;max-width:170px;object-fit:contain;display:block}.logo-placeholder{display:inline-flex;align-items:center;justify-content:center;height:40px;min-width:132px;padding:0 14px;border:1px solid rgba(248,200,74,.16);border-radius:10px;background:#15161A;color:#F8C84A;font-weight:800;letter-spacing:.08em}
.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);white-space:nowrap}.main-btn:hover{filter:brightness(1.04)}
.menu-toggle{display:none;width:42px;height:42px;border:1px solid rgba(248,200,74,.16);border-radius:10px;background:#15161A;padding:9px;cursor:pointer}.menu-toggle span{display:block;height:2px;background:#F8C84A;margin:4px 0;border-radius:2px}
.channel-bar{background:#15161A;border-top:1px solid rgba(255,255,255,.03);border-bottom:1px solid rgba(248,200,74,.08)}.channel-scroll{max-width:1180px;margin:0 auto;padding:0 18px;display:flex;align-items:center;gap:2px;overflow-x:auto;scrollbar-width:thin}.channel-scroll a{flex:0 0 auto;padding:10px 9px;color:#B8BEC9;text-decoration:none;font-size:14px;white-space:nowrap}.channel-scroll a:hover{color:#F8C84A}
.site-main{min-height:60vh}.page-wrap{width:min(1180px,calc(100% - 36px));margin:0 auto}.hero{padding:56px 0 34px}.hero.compact{padding-bottom:22px}.eyebrow{color:#F8C84A;font-size:13px;font-weight:800;letter-spacing:.14em;text-transform:uppercase}.hero h1,.article-head h1{margin:.25em 0 .45em;color:#F8C84A;font-size:clamp(34px,4vw,46px);line-height:1.2}.hero p{max-width:800px;margin:0;color:#B8BEC9;font-size:18px}.hero-links{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}.text-link{color:#F8C84A;text-decoration:none;border-bottom:1px solid rgba(248,200,74,.4)}.text-link:hover{color:#FFE45A}
.section{padding:44px 0}.section-tight{padding:28px 0}.section-title{margin:0 0 18px;color:#F8C84A;font-size:28px;line-height:1.3}.section-lead{max-width:820px;color:#B8BEC9;margin:0 0 24px}.panel{background:#15161A;border:1px solid rgba(248,200,74,.16);border-radius:16px;box-shadow:0 14px 36px rgba(0,0,0,.35)}.panel-pad{padding:24px}.panel h2,.panel h3{color:#F8C84A;margin-top:0;line-height:1.35}.panel p:last-child{margin-bottom:0}
.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;background:linear-gradient(135deg,#15161A,#202127)}.media.card-media{height:166px;aspect-ratio:auto}.media.feature-media{height:230px;aspect-ratio:auto}
.two-col{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:24px;align-items:start}.two-col.reverse{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr)}.three-col{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.four-col{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.stack{display:grid;gap:16px}.reading{max-width:820px;margin:0 auto}.reading h2{color:#F8C84A;margin-top:1.7em;line-height:1.35}.reading h3{color:#EDEFF5;margin-top:1.4em}.reading p,.reading li{color:#D8DEEA}.reading ul,.reading ol{padding-left:1.3em}.reading strong{color:#F8C84A}.note{border-left:3px solid #F8C84A;background:#1B1C21;padding:18px 20px;border-radius:0 14px 14px 0;color:#D8DEEA}.muted{color:#8E96A6}
.link-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.link-tile{display:block;padding:18px;background:#15161A;border:1px solid rgba(248,200,74,.16);border-radius:14px;text-decoration:none}.link-tile strong{display:block;color:#F8C84A;font-size:18px;margin-bottom:4px}.link-tile span{color:#B8BEC9;font-size:14px}.link-tile:hover{background:#1B1C21}
.step-list{display:grid;gap:14px;counter-reset:steps}.step{position:relative;padding:20px 20px 20px 66px;background:#15161A;border-radius:14px;border:1px solid rgba(248,200,74,.16)}.step:before{counter-increment:steps;content:counter(steps);position:absolute;left:20px;top:19px;width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:#202127;color:#F8C84A;font-weight:800}.step h2,.step h3{margin:0 0 6px;color:#F8C84A}.step p{margin:0;color:#B8BEC9}
.pill-scroll{display:flex;gap:10px;overflow-x:auto;padding:2px 0 10px;scrollbar-width:thin}.pill-scroll a{flex:0 0 auto;text-decoration:none;color:#D8DEEA;border:1px solid rgba(248,200,74,.22);background:#15161A;padding:8px 14px;border-radius:999px;white-space:nowrap}.pill-scroll a:hover{color:#F8C84A;border-color:#F8C84A}
.simple-list{display:grid;gap:10px}.simple-list a{display:flex;justify-content:space-between;gap:16px;text-decoration:none;padding:14px 16px;border-bottom:1px solid rgba(248,200,74,.12);color:#D8DEEA}.simple-list a:hover{color:#F8C84A;background:#15161A}.simple-list small{color:#8E96A6}
.compare-row{display:grid;grid-template-columns:160px 1fr;gap:18px;padding:18px 0;border-bottom:1px solid rgba(248,200,74,.12)}.compare-row:last-child{border-bottom:0}.compare-row strong{color:#F8C84A}.compare-row p{margin:0;color:#D8DEEA}
.notice-strip{padding:18px 20px;background:#1B1C21;border:1px solid rgba(248,200,74,.16);border-radius:14px;color:#D8DEEA}.notice-strip strong{color:#F8C84A}
.breadcrumbs{padding-top:24px;color:#8E96A6;font-size:14px}.breadcrumbs a{color:#B8BEC9;text-decoration:none}.breadcrumbs a:hover{color:#F8C84A}
.related-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}.related-links a{padding:8px 12px;border-radius:10px;background:#1B1C21;color:#D8DEEA;text-decoration:none;border:1px solid rgba(248,200,74,.12)}.related-links a:hover{color:#F8C84A}
.faq-list{display:grid;gap:16px}.faq-item{padding:22px;background:#15161A;border:1px solid rgba(248,200,74,.16);border-radius:14px}.faq-item h2{margin:0 0 8px;color:#F8C84A;font-size:20px}.faq-item p{margin:0;color:#D8DEEA}
/* slider */
.hero-slider-wrap{padding:28px 0 26px}.hero-slider{position:relative;width:min(1180px,calc(100% - 36px));height:340px;margin:0 auto;border-radius:16px;background:#15161A;overflow:hidden}.slides,.slide{position:absolute;inset:0}.slide{opacity:0;pointer-events:none;transition:opacity .35s ease}.slide.is-active{opacity:1;pointer-events:auto}.slide img{width:100%;height:100%;display:block;object-fit:contain;object-position:center}.slide-placeholder{position:absolute;inset:0;background:#15161A}.slider-arrow{position:absolute;z-index:2;top:50%;transform:translateY(-50%);width:42px;height:42px;border:1px solid rgba(248,200,74,.35);border-radius:50%;background:rgba(16,17,21,.86);color:#F8C84A;font-size:25px;line-height:1;cursor:pointer}.slider-prev{left:14px}.slider-next{right:14px}.slider-dots{position:absolute;z-index:2;left:50%;bottom:12px;transform:translateX(-50%);display:flex;gap:8px}.slider-dot{width:9px;height:9px;padding:0;border:0;border-radius:50%;background:#8E96A6;cursor:pointer}.slider-dot.is-active{background:#F8C84A}
/* home magazine */
.magazine-grid{display:grid;grid-template-columns:58fr 42fr;gap:20px}.magazine-feature{padding:24px}.magazine-feature h2{color:#F8C84A;font-size:30px;margin:16px 0 8px}.magazine-feature p{color:#D8DEEA}.mini-story{padding:18px}.mini-story h3{font-size:20px;margin-bottom:6px}.mini-story p{color:#B8BEC9;margin:0}.boundary-reading{max-width:820px;margin:0 auto;padding:30px 0 12px;color:#D8DEEA}
/* footer */
.site-footer{margin-top:58px;background:#08090C;color:#D8DEEA}.footer-grid{max-width:1180px;margin:0 auto;padding:48px 18px 32px;display:grid;grid-template-columns:1.1fr .8fr 1.3fr .9fr;gap:28px}.site-footer h2{font-size:16px;color:#F8C84A;margin:0 0 12px}.site-footer section>a,.footer-topic-links a{display:block;text-decoration:none;color:#B8BEC9;padding:4px 0}.site-footer a:hover{color:#F8C84A}.footer-brand p{color:#8E96A6;max-width:260px}.footer-topic-links{columns:2;column-gap:20px}.footer-bottom{max-width:1180px;margin:0 auto;padding:18px;border-top:1px solid rgba(248,200,74,.12);display:flex;justify-content:space-between;gap:22px;color:#8E96A6;font-size:13px}.footer-bottom p{margin:0}.footer-bottom p:first-child{max-width:850px}
.floating-rail{position:fixed;right:14px;top:38%;z-index:9000;width:56px;background:#15161A;border:1px solid rgba(248,200,74,.16);border-radius:14px;overflow:hidden;box-shadow:0 14px 36px rgba(0,0,0,.35)}.floating-rail a,.floating-rail button{display:flex;width:100%;min-height:60px;align-items:center;justify-content:center;padding:7px 5px;text-align:center;color:#F8C84A;background:#15161A;border:0;border-bottom:1px solid rgba(248,200,74,.12);font-size:12px;text-decoration:none;line-height:1.25;cursor:pointer}.floating-rail .rail-main{background:linear-gradient(180deg,#FFE45A 0%,#F8B832 45%,#F3941F 100%);color:#101115;font-weight:800}.floating-rail button:last-child{border-bottom:0}.mobile-bottom{display:none}
.mobile-drawer,
.drawer-mask{display:none}
@media(min-width:1280px){body{padding-right:58px}}
@media(max-width:1100px){.nav-core a{padding-left:8px;padding-right:8px}.floating-rail{display:none}}
@media(max-width:980px){
  .channel-bar,.nav-core{display:none}.menu-toggle{display:block;flex:0 0 42px}.header-inner{min-height:64px;padding:0 12px}.site-logo{position:absolute;left:50%;transform:translateX(-50%)}.site-logo img{height:36px;max-width:140px}.header-btn{height:40px;min-width:82px;padding:0 14px}.site-main{padding-top:0}.hero{padding-top:38px}.three-col{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.four-col{grid-template-columns:repeat(2,minmax(0,1fr))}.two-col,.two-col.reverse{grid-template-columns:1fr}.magazine-grid{grid-template-columns:1fr 1fr}.link-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.hero-slider{height:260px}.footer-grid{grid-template-columns:1fr 1fr}.footer-bottom{flex-direction:column}.mobile-bottom{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;left:0;right:0;bottom:0;z-index:9500;background:#101115;border-top:1px solid rgba(248,200,74,.16);padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom a{min-height:54px;display:flex;align-items:center;justify-content:center;color:#F8C84A;text-decoration:none;font-weight:700;font-size:14px}body{padding-bottom:54px}
  .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{min-height:68px;display:flex;align-items:center;justify-content:space-between;padding:10px 14px;border-bottom:1px solid rgba(248,200,74,.12)}.drawer-close{width:40px;height:40px;border:1px solid rgba(248,200,74,.18);border-radius:10px;background:#202127;color:#F8C84A;font-size:28px;line-height:1;cursor:pointer}.drawer-groups{padding:8px 14px 28px}.drawer-groups section{padding:12px 0;border-bottom:1px solid rgba(248,200,74,.1)}.drawer-groups h2{margin:0 0 8px;color:#8E96A6;font-size:12px;letter-spacing:.12em}.drawer-groups a{display:block;padding:9px 4px;color:#D8DEEA;text-decoration:none}.drawer-groups a:hover{color:#F8C84A}
}
@media(max-width:720px){
  body{font-size:16px;line-height:1.78}.page-wrap{width:min(100% - 28px,1180px)}.hero{padding:32px 0 22px}.hero h1,.article-head h1{font-size:clamp(26px,8vw,32px)}.hero p{font-size:16px}.section{padding:32px 0}.section-title{font-size:24px}.panel-pad{padding:19px}.three-col,.link-grid,.four-col{grid-template-columns:1fr}.magazine-grid{grid-template-columns:1fr}.hero-slider{width:calc(100% - 28px);height:178px}.slider-arrow{width:36px;height:36px}.slider-prev{left:8px}.slider-next{right:8px}.media.feature-media{height:205px}.media.card-media{height:156px}.compare-row{grid-template-columns:1fr;gap:6px}.footer-grid{grid-template-columns:1fr;padding-top:36px}.footer-topic-links{columns:2}.footer-bottom{padding-bottom:24px}.boundary-reading{padding-top:18px}.magazine-feature h2{font-size:25px}
}
@media(max-width:390px){.header-inner{gap:8px}.header-btn{min-width:74px;padding:0 11px;font-size:14px}.site-logo img{height:32px;max-width:124px}.logo-placeholder{min-width:104px;padding:0 10px;font-size:14px}.menu-toggle{width:40px;height:40px}.hero-slider{height:162px}}