:root{font-family:Inter,system-ui,"Microsoft YaHei",sans-serif;color:#e8f1fb;background:#050914;line-height:1.75;--cyan:#25d0ef;--blue:#268cff;--panel:#0b1424;--line:#1e2d43;--muted:#8ca0b7}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at 50% 0,#0b2134 0,#050914 36%);color:#e8f1fb}body.modal-open{overflow:hidden}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}.site-header{height:84px;max-width:1180px;margin:auto;padding:0 24px;display:flex;align-items:center;gap:28px;border-bottom:1px solid rgba(116,154,187,.18)}.brand{display:flex;align-items:center;gap:12px;min-width:280px}.brand span{display:grid;place-items:center;width:42px;height:42px;border-radius:12px;color:#00131b;background:linear-gradient(135deg,var(--cyan),var(--blue));font-weight:900}.brand strong{font-size:15px;white-space:nowrap}.site-header nav{display:flex;justify-content:center;gap:26px;flex:1}.site-header nav a{color:#8fa2b7;font-size:14px}.site-header nav a:hover{color:#dff9ff}.site-header>button,.inline-conversion button{border:0;border-radius:11px;background:linear-gradient(135deg,var(--cyan),#35baf5);color:#03131b;padding:11px 20px;font-weight:800}main{max-width:1180px;margin:auto;padding:0 24px 72px}.hero{position:relative;padding:92px 30px 74px;text-align:center;border-bottom:1px solid rgba(116,154,187,.12);overflow:hidden}.hero:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 50% 35%,rgba(37,208,239,.12),transparent 50%);pointer-events:none}.hero>*{position:relative}.badge{display:inline-block;padding:6px 14px;border:1px solid rgba(37,208,239,.4);border-radius:999px;color:#62e7ff;background:rgba(18,107,130,.16);font-size:13px;font-weight:700}.hero h1{max-width:960px;margin:24px auto 16px;font-size:clamp(38px,6vw,68px);line-height:1.12;letter-spacing:-.035em}.hero p{max-width:850px;margin:auto;color:#91a8bf;font-size:18px}.article-hero{padding-top:54px}.breadcrumbs{display:flex;align-items:center;gap:10px;padding:26px 0 0;color:#7890a8;font-size:14px}.breadcrumbs strong{color:#b9cee2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.section-head span,.inline-conversion span{color:#4adcf5;font-size:12px;letter-spacing:.15em;text-transform:uppercase}.section-head h2,.inline-conversion h2{margin:5px 0 0;font-size:27px}.directory{margin:54px 0;padding:34px;border:1px solid var(--line);border-radius:24px;background:rgba(8,16,29,.8)}.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px;margin-top:26px}.card-grid a{min-height:138px;padding:20px;border:1px solid #203149;border-radius:15px;background:#0d182a;transition:.18s}.card-grid a:hover{border-color:#29cbe8;transform:translateY(-2px)}.card-grid span{display:block;color:#3edaf6;font-size:12px;margin-bottom:9px}.card-grid strong{display:block;color:#eef8ff;font-size:16px;line-height:1.45}.home-copy,.article-body>section{margin:30px 0;padding:32px;border:1px solid var(--line);border-radius:20px;background:#0a1322}.article-body{margin-top:36px}.article-body>.content-visual{margin:30px 0}.content-visual img{display:block;width:100%;height:auto;border-radius:20px;border:1px solid #243650;background:#0a1424}.content-visual figcaption{margin-top:9px;color:#71869c;font-size:13px;text-align:center}.article-body h2,.home-copy h2{font-size:25px;margin:0 0 16px}.article-body p,.home-copy p{color:#bac9d8;margin:14px 0}.inline-conversion{display:flex;align-items:center;justify-content:space-between;gap:24px;margin:36px 0;padding:28px 32px;border:1px solid rgba(37,208,239,.28);border-radius:20px;background:linear-gradient(135deg,rgba(12,42,59,.9),rgba(9,20,37,.9))}.inline-conversion p{margin:6px 0 0;color:#8da3b8}footer{max-width:1180px;margin:auto;padding:28px 24px 44px;display:flex;justify-content:space-between;border-top:1px solid rgba(116,154,187,.16);color:#71869c;font-size:13px}footer div{display:flex;gap:13px}footer strong{color:#b9cce0}.gateway[hidden]{display:none}.gateway{position:fixed;inset:0;z-index:1000;display:grid;place-items:center;padding:20px}.gateway-backdrop{position:absolute;inset:0;border:0;background:rgba(1,5,12,.82);backdrop-filter:blur(7px)}.gateway-panel{position:relative;width:min(560px,100%);padding:27px;border:1px solid #17445d;border-radius:20px;background:#0b1425;box-shadow:0 28px 90px rgba(0,0,0,.6)}.gateway-head{display:flex;justify-content:space-between;gap:16px;align-items:flex-start}.gateway-head h2{margin:0;font-size:23px}.gateway-head p{margin:2px 0 0;color:#687f99;font-size:13px}.gateway-x{border:0;background:transparent;color:#8296ad;font-size:26px;line-height:1}.gateway-recommend{margin-top:22px;padding:9px 12px;color:#758ba3;font-size:12px}.gateway-recommend span{margin-right:9px;color:#55e8ff;font-weight:800}.gateway-options{display:grid;gap:10px}.gateway-option{display:flex;align-items:center;gap:14px;padding:14px;border:1px solid #243852;border-radius:13px;background:#0e1a2d}.gateway-option:hover{border-color:#25d0ef}.gateway-option>b{display:grid;place-items:center;width:42px;height:42px;border-radius:10px;background:#12334a;color:#58e4fa;font-size:11px}.gateway-option.android{border-color:#176c65;background:linear-gradient(90deg,rgba(18,85,73,.55),rgba(13,25,43,.9))}.gateway-option.android>b{background:#135b4f;color:#5ff0c5}.gateway-option span{display:flex;align-items:baseline;gap:13px}.gateway-option strong{font-size:16px}.gateway-option small{color:#71869d}.gateway-international{margin-top:13px;border:1px solid #22344d;border-radius:13px;background:#0b1629}.gateway-international summary{padding:13px 15px;color:#8095ad;cursor:pointer}.gateway-international summary span{color:#62aaf5;margin-right:10px}.gateway-international div{display:flex;gap:10px;padding:0 15px 14px}.gateway-international a{flex:1;padding:10px;border-radius:9px;background:#101e33;color:#a9c5df;text-align:center;font-size:13px}.gateway-note{text-align:center;color:#64788e;font-size:12px;margin:16px 0}.gateway-close{width:100%;padding:11px;border:1px solid #273950;border-radius:11px;background:#101a2b;color:#91a5bb;font-weight:700}@media(max-width:900px){.site-header nav{display:none}.site-header{height:72px}.brand{min-width:0;flex:1}.brand strong{overflow:hidden;text-overflow:ellipsis}.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.hero{padding:64px 10px}.hero h1{font-size:42px}}@media(max-width:600px){main{padding:0 16px 88px}.site-header{padding:0 16px}.site-header>button{padding:9px 13px}.hero{padding-top:48px}.hero h1{font-size:34px}.hero p{font-size:16px}.directory,.home-copy,.article-body>section{padding:21px;border-radius:16px}.card-grid{grid-template-columns:1fr}.inline-conversion{align-items:flex-start;flex-direction:column;padding:22px}.inline-conversion button{width:100%}.breadcrumbs{overflow:hidden}.gateway{padding:10px}.gateway-panel{padding:20px}.gateway-option span{display:block}.gateway-option small{display:block;margin-top:2px}.gateway-international div{flex-direction:column}footer{padding:24px 16px 34px}}

.hero-cta{display:inline-flex;align-items:center;justify-content:center;margin-top:28px;padding:14px 30px;border:1px solid rgba(111,238,255,.55);border-radius:12px;background:linear-gradient(135deg,var(--cyan),#35baf5);box-shadow:0 12px 32px rgba(37,208,239,.2);color:#03131b;font-weight:900}.hero-cta:hover{filter:brightness(1.08);transform:translateY(-1px)}

.gateway-option[aria-disabled=true],.gateway-international a[aria-disabled=true]{opacity:.55;cursor:wait;pointer-events:none}
.mobile-action,.back-to-top{display:none}
@media(max-width:600px){body{padding-bottom:calc(76px + env(safe-area-inset-bottom))}.mobile-action{display:block;position:fixed;z-index:900;left:0;right:0;bottom:0;padding:10px 16px calc(10px + env(safe-area-inset-bottom));border-top:1px solid rgba(37,208,239,.24);background:rgba(5,9,20,.92);backdrop-filter:blur(14px)}.mobile-action button{width:100%;min-height:54px;border:0;border-radius:13px;background:linear-gradient(135deg,var(--cyan),#35baf5);box-shadow:0 10px 30px rgba(37,208,239,.2);color:#03131b;font-weight:900;font-size:16px}.back-to-top{position:fixed;z-index:901;right:16px;bottom:calc(86px + env(safe-area-inset-bottom));width:46px;height:46px;place-items:center;border:1px solid rgba(37,208,239,.45);border-radius:14px;background:#0c1c2f;color:#67e7ff;box-shadow:0 10px 28px rgba(0,0,0,.36);font-size:24px;font-weight:800;opacity:0;pointer-events:none;transform:translateY(8px);transition:.2s}.back-to-top.visible{opacity:1;pointer-events:auto;transform:translateY(0)}body.modal-open .mobile-action,body.modal-open .back-to-top{visibility:hidden}}

@media(max-width:600px){.back-to-top{display:grid}}