:root{--bg:#07111F;--header:#0B1524;--card:#101C30;--bar:#0E1C30;--white:#FFFFFF;--blue:#3D8BFF;--blue2:#7EB6FF;--text:#E7EEF8;--muted:#9AABC4;--soft:#7E8DA3;--footer:#060E18;--footerText:#D5E2F2;--line:rgba(61,139,255,.28);--shadow:0 14px 32px rgba(0,0,0,.35)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;overflow-x:hidden}body.drawer-open{overflow:hidden}a{color:#9CC7FF;text-decoration:none}a:hover{color:#fff}img{max-width:100%}button,a{touch-action:manipulation}.site-header{position:sticky;top:0;z-index:9000;width:100%;background:#0B1524;border-bottom:1px solid rgba(61,139,255,.28);box-shadow:0 8px 22px rgba(0,0,0,.35)}.header-inner{max-width:1120px;min-height:64px;margin:0 auto;padding:0 16px;display:flex;align-items:center;justify-content:space-between;gap:12px}.site-logo,.drawer-logo,.footer-logo{display:inline-flex;align-items:center;min-width:120px}.site-logo img{display:block;height:40px;width:auto;max-width:168px;object-fit:contain}.drawer-logo img,.footer-logo img{height:38px;width:auto;max-width:166px;object-fit:contain}.logo-placeholder{display:inline-flex;align-items:center;height:40px;padding:0 12px;border:1px solid var(--line);border-radius:10px;color:#fff;font-weight:800;background:#0B1524}.nav-core{display:flex;align-items:center;justify-content:center;gap:2px;min-width:0}.nav-core a{color:#E7EEF8;padding:8px 11px;font-weight:700;text-decoration:none;white-space:nowrap}.nav-core a.is-current,.nav-core a:hover{color:#FFFFFF;box-shadow:inset 0 -2px 0 #3D8BFF}.main-btn{display:inline-flex;align-items:center;justify-content:center;height:40px;min-width:92px;padding:0 18px;background:linear-gradient(180deg,#5BA3FF 0%,#2F74F0 100%);color:#FFFFFF;border-radius:999px;text-decoration:none;font-weight:700;box-shadow:0 8px 18px rgba(47,116,240,.28);touch-action:manipulation}.menu-btn{display:none;background:transparent;border:1px solid var(--line);color:#7EB6FF;min-height:40px;padding:0 12px;border-radius:10px;font-weight:700}.channel-bar{background:#0E1C30;border-bottom:1px solid var(--line);overflow:hidden}.channel-inner{max-width:1120px;margin:0 auto;padding:0 16px;display:flex;gap:4px;overflow-x:auto;scrollbar-width:thin}.channel-inner a{color:#9AABC4;white-space:nowrap;padding:11px 10px;font-size:14px}.channel-inner a:hover{color:#7EB6FF}.site-main{min-height:60vh}.container{width:min(1120px,calc(100% - 32px));margin:0 auto}.reading{width:min(820px,calc(100% - 32px));margin:0 auto}.section{padding:44px 0}.section.compact{padding:28px 0}.eyebrow{color:#7EB6FF;font-weight:800;letter-spacing:.06em;font-size:14px}.breadcrumb{padding-top:22px;color:var(--soft);font-size:14px}.breadcrumb a{color:var(--muted)}h1,h2,h3{color:#fff;margin-top:0}h1{font-size:clamp(30px,4vw,42px);line-height:1.18;margin-bottom:18px}h2{font-size:clamp(22px,3vw,30px);line-height:1.3;margin-bottom:14px}h3{font-size:20px;line-height:1.4}p,li{font-size:17px;line-height:1.82;color:var(--text)}.lede{font-size:18px;color:#DCEAFF}.muted{color:var(--muted)}.hero-split{display:grid;grid-template-columns:42fr 58fr;gap:28px;align-items:center;padding:42px 0}.hero-copy{padding-right:10px}.hero-copy .main-btn{margin-top:8px}.media{position:relative;width:100%;max-width:100%;overflow:hidden;border-radius:16px;background:#07111F;aspect-ratio:3/4;border:1px solid var(--line)}.media.wide{aspect-ratio:16/9}.media > img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;object-position:center center;display:block}.media.hero-media{min-height:420px;max-height:520px}.media.topic-media{min-height:280px;max-height:360px}.media-placeholder{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:#0A1628;border:1px solid var(--line);color:#6E86A7}.dual-media{display:grid;grid-template-columns:1fr 1fr;gap:22px}.directory{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--card);box-shadow:var(--shadow)}.directory-row{display:grid;grid-template-columns:180px 1fr;gap:16px;padding:18px 20px;border-bottom:1px solid rgba(61,139,255,.16)}.directory-row:last-child{border-bottom:0}.directory-row strong{color:#fff}.directory-row span{color:var(--muted);line-height:1.7}.short-banner{padding:22px 24px;background:#0E1C30;border-left:3px solid var(--blue);border-radius:14px;color:#DCEAFF;line-height:1.85}.app-strip{display:grid;grid-template-columns:1fr 220px;gap:24px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px}.app-strip .media{max-height:170px;aspect-ratio:16/9}.cards-2,.cards-3{display:grid;gap:18px}.cards-2{grid-template-columns:repeat(2,1fr)}.cards-3{grid-template-columns:repeat(3,1fr)}.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px;box-shadow:var(--shadow)}.card p{font-size:16px;margin-bottom:0}.card h2,.card h3{margin-bottom:8px}.link-list{display:grid;gap:10px}.link-list a{display:flex;justify-content:space-between;gap:16px;padding:14px 16px;background:#0E1C30;border:1px solid rgba(61,139,255,.2);border-radius:12px}.link-list a::after{content:'→';color:#7EB6FF}.article{background:transparent}.article p{margin:0 0 1.15em}.article ul,.article ol{padding-left:1.2em}.notice-box{background:#0D1A2D;border:1px solid var(--line);border-radius:14px;padding:20px 22px}.notice-box strong{color:#fff}.step-list{counter-reset:step;display:grid;gap:14px}.step{position:relative;padding:18px 18px 18px 58px;background:var(--card);border:1px solid var(--line);border-radius:14px}.step::before{counter-increment:step;content:counter(step);position:absolute;left:18px;top:17px;width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--blue);color:#fff;font-weight:800}.topic-layout{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:28px;align-items:start}.quote-line{font-size:20px;line-height:1.7;color:#fff;padding:18px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.related{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}.related a{padding:9px 12px;border:1px solid var(--line);border-radius:999px;background:#0E1C30}.faq-list{display:grid;gap:16px}.faq-item{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px}.faq-item h2{font-size:21px}.floating-tools{position:fixed;right:10px;top:40%;z-index:7000;display:grid;width:96px;background:#0B1524;border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:var(--shadow)}.floating-tools a,.floating-tools button{min-height:44px;border:0;border-bottom:1px solid rgba(61,139,255,.18);background:#0B1524;color:#fff;font:inherit;font-size:14px;display:flex;align-items:center;justify-content:center;cursor:pointer}.floating-tools .float-primary{background:linear-gradient(180deg,#5BA3FF 0%,#2F74F0 100%)}.site-footer{background:#060E18;border-top:1px solid #3D8BFF;color:#D5E2F2;margin-top:34px}.footer-grid{max-width:1120px;margin:0 auto;padding:38px 16px;display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:28px}.footer-grid section{display:grid;align-content:start;gap:8px}.footer-grid h2{font-size:16px;margin:0 0 8px}.footer-grid a{color:#B8C9DE;font-size:14px}.footer-grid p{font-size:14px;color:#9AABC4}.footer-note{max-width:1120px;margin:0 auto;border-top:1px solid rgba(61,139,255,.18);padding:18px 16px 28px;color:#8EA1B9;font-size:13px;line-height:1.8;display:flex;justify-content:space-between;gap:20px}.mobile-bottom{display:none}.mobile-drawer,.drawer-mask{display:none}
@media(max-width:1180px){.floating-tools{display:none}}
@media(max-width:980px){.header-inner{min-height:62px}.nav-core,.channel-bar{display:none}.menu-btn{display:inline-flex;align-items:center;justify-content:center}.header-cta{min-width:84px;padding:0 14px}.site-logo{justify-content:center;flex:1}.site-logo img{height:36px;max-width:142px}.hero-split,.topic-layout{grid-template-columns:1fr}.hero-copy{padding-right:0}.media.hero-media{min-height:280px;max-height:360px}.media.topic-media{min-height:200px;max-height:260px}.mobile-drawer{display:block;position:fixed;inset:0 auto 0 0;width:min(84vw,320px);background:#0E1A2C;z-index:12000;transform:translateX(-105%);transition:transform .2s ease;box-shadow:18px 0 40px rgba(42,24,68,.16);overflow:hidden}.mobile-drawer.is-open{transform:translateX(0)}.drawer-mask{display:none;position:fixed;inset:0;background:rgba(42,24,68,.38);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{height:64px;display:flex;align-items:center;justify-content:space-between;padding:0 14px;border-bottom:1px solid var(--line)}.drawer-close{min-height:40px;padding:0 12px;background:#101C30;color:#fff;border:1px solid var(--line);border-radius:10px}.drawer-scroll{height:calc(100% - 64px);overflow-y:auto;padding:14px}.drawer-scroll section{padding:10px 0;border-bottom:1px solid rgba(61,139,255,.18)}.drawer-scroll h2{font-size:14px;color:#7EB6FF;margin:0 0 8px}.drawer-scroll a{display:block;min-height:40px;padding:9px 8px;color:#E7EEF8;border-radius:8px}.drawer-scroll a:hover{background:#101C30}.mobile-bottom{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;left:0;right:0;bottom:0;z-index:8000;background:#07111F;border-top:1px solid rgba(61,139,255,.35);padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom a{min-height:52px;display:flex;align-items:center;justify-content:center;color:#D5E2F2;font-size:14px}.site-footer{padding-bottom:62px}.cards-3{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:680px){.container,.reading{width:min(100% - 24px,1120px)}.section{padding:30px 0}.section.compact{padding:20px 0}.hero-split{padding:30px 0;gap:18px}.dual-media,.cards-2,.cards-3,.app-strip{grid-template-columns:1fr}.directory-row{grid-template-columns:1fr;gap:5px;padding:16px}.app-strip{padding:16px}.app-strip .media{max-height:220px}.footer-grid{grid-template-columns:1fr;gap:22px}.footer-note{display:block}.footer-note span{display:block;margin-top:8px}.header-inner{padding:0 10px;gap:8px}.menu-btn{padding:0 10px}.header-cta{min-width:78px;padding:0 12px}.site-logo img{height:34px;max-width:132px}p,li{font-size:16px;line-height:1.78}h1{font-size:clamp(27px,8vw,32px)}.short-banner{padding:18px}.related{gap:8px}}