*{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden}
body{margin:0;background:#0E0E0E;color:#F7F1DE;font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;font-size:17px;line-height:1.82;overflow-x:hidden}
a{color:#E8B84A;text-decoration:none} a:hover{color:#F6D56A}
img{max-width:100%}
button,input,textarea{font:inherit}
.site-header{position:sticky;top:0;z-index:9999;width:100%;background:#111111;border-bottom:1px solid rgba(232,184,74,.28);box-shadow:0 8px 22px rgba(0,0,0,.35)}
.header-inner{max-width:1140px;min-height:66px;margin:0 auto;padding:0 16px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.site-logo,.drawer-logo,.footer-logo{display:flex;align-items:center;flex:0 0 auto}
.site-logo img{display:block;height:38px;width:auto;max-width:156px;object-fit:contain}
.drawer-logo img{display:block;height:34px;width:auto;max-width:148px;object-fit:contain}
.footer-logo img{display:block;height:42px;width:auto;max-width:168px;object-fit:contain}
.logo-placeholder{min-width:118px;min-height:38px;border:1px solid rgba(232,184,74,.25);background:#151515;border-radius:8px;justify-content:center;color:#E8B84A;font-weight:800;letter-spacing:.06em;padding:4px 12px}
.nav-core{display:flex;align-items:center;justify-content:center;gap:2px;min-width:0}
.nav-core a{color:#F3E6C4;padding:8px 11px;font-weight:700;text-decoration:none;white-space:nowrap}
.nav-core a.is-current,.nav-core a:hover{color:#111111;background:#E8B84A;border-radius:999px}
.main-btn{display:inline-flex;align-items:center;justify-content:center;height:40px;min-width:92px;padding:0 18px;background:linear-gradient(180deg,#F6D56A 0%,#E8B84A 55%,#C8962E 100%);color:#14110A;border-radius:999px;text-decoration:none;font-weight:700;box-shadow:0 8px 18px rgba(200,150,46,.28);white-space:nowrap}
.main-btn:hover{color:#14110A;background:linear-gradient(180deg,#F6D56A 0%,#DCA83B 55%,#C8962E 100%)}
.mobile-header{display:none}
.menu-btn,.drawer-close{border:1px solid rgba(232,184,74,.48);background:#141414;color:#E8B84A;border-radius:9px;min-height:40px;padding:0 13px;font-weight:700}
.channel-bar{background:#1A1A1A;border-bottom:1px solid rgba(232,184,74,.16)}
.channel-inner{max-width:1140px;margin:0 auto;padding:0 16px;display:flex;align-items:center;overflow-x:auto;scrollbar-width:thin}
.channel-inner a{color:#C9BBA0;white-space:nowrap;padding:11px 10px;font-size:14px;font-weight:700}
.channel-inner a.is-current,.channel-inner a:hover{color:#E8B84A}
.site-main{max-width:1140px;margin:0 auto;padding:34px 72px 54px 16px;min-height:62vh}
.breadcrumb{display:flex;gap:7px;align-items:center;flex-wrap:wrap;color:#8E8372;font-size:14px;margin-bottom:18px}
.breadcrumb a{color:#C9BBA0}
.page-head{max-width:820px;margin:0 0 28px}
.page-head h1{margin:0 0 14px;color:#E8B84A;font-size:clamp(32px,4vw,42px);line-height:1.22;letter-spacing:.01em}
.page-head p{margin:0;color:#C9BBA0;font-size:18px}
.article{max-width:820px}
.article.wide{max-width:1040px}
.article h2,.section-title{color:#E8B84A;font-size:25px;line-height:1.35;margin:34px 0 12px}
.article h3{color:#F3E6C4;font-size:19px;margin:20px 0 8px}
.article p{margin:0 0 16px;color:#F7F1DE}
.article ul,.article ol{margin:10px 0 18px;padding-left:1.35em;color:#F7F1DE}
.article li{margin:7px 0}
.notice{border-left:3px solid #E8B84A;background:#171717;padding:18px 20px;border-radius:0 12px 12px 0;color:#E7D7B0;margin:24px 0}
.gold-line{max-width:1040px;margin:28px auto;padding:18px 22px;border-top:1px solid #E8B84A;border-bottom:1px solid rgba(232,184,74,.4);color:#E7D7B0;text-align:center;background:#121212}
.index-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:24px 0 30px}
.index-card{display:block;background:#1C1C1C;border:1px solid rgba(232,184,74,.22);border-radius:13px;padding:20px;min-height:116px;color:#F7F1DE;box-shadow:0 14px 32px rgba(0,0,0,.35)}
.index-card strong{display:block;color:#E8B84A;font-size:19px;margin-bottom:6px}
.index-card span{color:#C9BBA0;font-size:15px;line-height:1.65}
.media{position:relative;width:100%;max-width:100%;overflow:hidden;border-radius:12px;background:#1C1C1C;aspect-ratio:16/9;border:1px solid rgba(232,184,74,.16)}
.media>img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;object-position:center center;display:block}
.media-placeholder{display:flex;align-items:center;justify-content:center;color:#8E8372;background:#171717}
.media-hero{max-width:1040px;margin:0 auto;height:min(220px,21vw);min-height:170px;aspect-ratio:auto}
.media-article{height:220px;aspect-ratio:auto;margin:18px 0 28px}
.media-card{height:164px;aspect-ratio:auto}
.stack-feature{max-width:820px;margin:32px 0;background:#151515;border-radius:13px;border:1px solid rgba(232,184,74,.18);overflow:hidden}
.stack-feature .media{border-radius:0;border:0;height:220px;aspect-ratio:auto}
.stack-copy{padding:22px 24px 24px}
.stack-copy h2{margin:0 0 10px;color:#E8B84A;font-size:24px}
.app-strip{max-width:1040px;display:grid;grid-template-columns:1.2fr .8fr;align-items:center;gap:18px;margin:34px 0;background:#171717;border:1px solid rgba(232,184,74,.2);border-radius:13px;padding:20px 22px}
.app-strip .media{height:170px;aspect-ratio:auto}
.app-strip h2{margin:0 0 10px;color:#E8B84A}
.split{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:22px 0}
.panel{background:#1C1C1C;border:1px solid rgba(232,184,74,.2);border-radius:13px;padding:20px;box-shadow:0 14px 32px rgba(0,0,0,.25)}
.panel h2,.panel h3{margin-top:0;color:#E8B84A}
.steps{counter-reset:step;display:grid;gap:12px;margin:20px 0}
.step{position:relative;padding:18px 18px 18px 58px;background:#171717;border:1px solid rgba(232,184,74,.18);border-radius:12px}
.step:before{counter-increment:step;content:counter(step);position:absolute;left:18px;top:18px;width:26px;height:26px;display:grid;place-items:center;border-radius:50%;background:#E8B84A;color:#111;font-weight:800;line-height:1}
.link-row{display:flex;gap:10px;flex-wrap:wrap;margin:28px 0}
.link-row a{display:inline-flex;align-items:center;min-height:40px;padding:7px 13px;border:1px solid rgba(232,184,74,.32);border-radius:999px;background:#161616;color:#E7D7B0}
.link-row a:hover{border-color:#E8B84A;color:#E8B84A}
.text-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:18px 0}
.text-links a{display:block;background:#171717;border:1px solid rgba(232,184,74,.18);border-radius:12px;padding:16px;color:#E7D7B0}
.question-pair{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:0 0 22px}
.question-pair p{margin:0;background:#171717;border-top:2px solid #E8B84A;border-radius:10px;padding:16px;color:#E7D7B0}
.faq-list{display:grid;gap:15px}
.faq-item{background:#181818;border:1px solid rgba(232,184,74,.2);border-radius:12px;padding:19px 20px}
.faq-item h2{margin:0 0 8px;font-size:20px}
.float-tools{position:fixed;right:12px;top:33vh;z-index:8000;width:52px;display:flex;flex-direction:column;gap:7px}
.float-tools a,.float-tools button{display:flex;align-items:center;justify-content:center;min-height:52px;padding:7px 5px;background:#111;color:#E8B84A;border:1px solid rgba(232,184,74,.35);border-radius:9px;text-align:center;font-size:12px;line-height:1.35;cursor:pointer}
.float-tools .float-register{background:#E8B84A;color:#111;font-weight:800}
.site-footer{background:#070707;border-top:1px solid #E8B84A;color:#E7D7B0}
.footer-grid{max-width:1140px;margin:0 auto;padding:36px 16px 26px;display:grid;grid-template-columns:1.25fr 1fr 1fr 1fr;gap:28px}
.footer-grid h2{font-size:17px;color:#E8B84A;margin:0 0 10px}
.footer-grid a{display:block;color:#C9BBA0;padding:3px 0;font-size:14px}
.footer-grid p{color:#C9BBA0;font-size:14px;line-height:1.75;max-width:260px}
.footer-bottom{max-width:1140px;margin:0 auto;padding:16px;border-top:1px solid rgba(232,184,74,.18);font-size:13px;color:#8E8372;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.mobile-bottom{display:none}
.mobile-drawer,
.drawer-mask{display:none}
body.drawer-open{overflow:hidden}

@media(max-width:980px){
  body{font-size:16px;padding-bottom:64px}
  .desktop-header,.channel-bar,.float-tools{display:none}
  .mobile-header{display:flex;min-height:62px;padding:0 12px;gap:8px}
  .mobile-header .site-logo{position:absolute;left:50%;transform:translateX(-50%);max-width:132px}
  .mobile-header .site-logo img{height:34px;max-width:132px}
  .mobile-header .logo-placeholder{min-width:108px;min-height:34px;font-size:14px}
  .mobile-header .main-btn.compact{height:38px;min-width:74px;padding:0 12px;margin-left:auto}
  .site-main{padding:26px 14px 38px;max-width:100%}
  .page-head{margin-bottom:22px}
  .page-head h1{font-size:clamp(26px,7.4vw,32px)}
  .page-head p{font-size:16px}
  .article h2,.section-title{font-size:22px;margin-top:28px}
  .media-hero{height:min(150px,38vw);min-height:112px}
  .media-article{height:min(230px,54vw);min-height:190px}
  .index-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
  .index-card{min-height:108px;padding:16px}
  .split,.question-pair{grid-template-columns:1fr}
  .text-links{grid-template-columns:1fr}
  .app-strip{grid-template-columns:1fr;padding:16px}
  .app-strip .app-copy{order:2}
  .app-strip .media{order:1;height:min(220px,52vw)}
  .stack-feature .media{height:min(230px,54vw)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px 18px;padding-bottom:80px}
  .mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:9000;display:grid;grid-template-columns:repeat(4,1fr);background:#0C0C0C;border-top:1px solid #E8B84A;padding-bottom:env(safe-area-inset-bottom)}
  .mobile-bottom a{display:grid;place-items:center;min-height:56px;color:#E7D7B0;font-weight:700;font-size:14px}
  .mobile-drawer{
    display:block;
    position:fixed;
    inset:0 auto 0 0;
    width:min(84vw,320px);
    background:#161616;
    z-index:12000;
    transform:translateX(-105%);
    transition:transform .2s ease;
    box-shadow:18px 0 40px rgba(0,0,0,.45);
    overflow-y:auto;
    padding-bottom:30px;
  }
  .mobile-drawer.is-open{transform:translateX(0)}
  .drawer-mask{
    display:none;
    position:fixed;
    inset:0;
    background:rgba(0,0,0,.55);
    z-index:11000;
    opacity:0;
    pointer-events:none;
    transition:opacity .18s ease;
  }
  .drawer-mask.is-visible{
    display:block;
    opacity:1;
    pointer-events:auto;
  }
  .drawer-top{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:15px;border-bottom:1px solid rgba(232,184,74,.22)}
  .drawer-group{padding:14px 16px 2px}
  .drawer-group strong{display:block;color:#E8B84A;font-size:13px;letter-spacing:.08em;margin-bottom:6px}
  .drawer-group a{display:block;color:#F3E6C4;padding:9px 0;border-bottom:1px solid rgba(255,255,255,.045)}
}

@media(max-width:560px){
  .index-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .index-card{padding:14px;min-height:104px}
  .index-card strong{font-size:17px}
  .index-card span{font-size:13px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{display:block;padding-bottom:22px}
  .footer-bottom span{display:block;margin-top:7px}
}