*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#07111F;color:#E7EEF8;font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8;overflow-x:hidden}img,svg,video{max-width:100%}a{color:#7EB6FF}a:hover{color:#fff}button,a{touch-action:manipulation}.wrap{width:min(1120px,calc(100% - 32px));margin:0 auto}.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{display:inline-flex;align-items:center;text-decoration:none;flex:0 0 auto}.site-logo img{display:block;height:40px;width:auto;max-width:168px;object-fit:contain}.logo-fallback{display:inline-flex;align-items:center;justify-content:center;min-width:126px;height:40px;padding:0 14px;background:#101C30;border:1px solid rgba(61,139,255,.28);border-radius:10px;color:#fff;font-weight:800;letter-spacing:1px}.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}.main-btn:hover{color:#fff;filter:brightness(1.04)}.menu-toggle{display:none}.channel-bar{background:#0E1C30;border-bottom:1px solid rgba(61,139,255,.18)}.channel-inner{max-width:1120px;margin:0 auto;padding:8px 16px;display:flex;gap:18px;overflow-x:auto;white-space:nowrap;scrollbar-width:thin}.channel-inner a{color:#9AABC4;text-decoration:none;font-size:14px}.channel-inner a:hover{color:#7EB6FF}.site-main{min-height:62vh}.section{padding:44px 0}.section.compact{padding:28px 0}.hero-grid{display:grid;grid-template-columns:42fr 58fr;gap:32px;align-items:center}.hero-copy h1,.page-hero h1{font-size:clamp(32px,4vw,42px);line-height:1.22;margin:0 0 18px;color:#fff}.hero-copy p,.page-hero p{font-size:17px;color:#C9D7E9}.eyebrow{display:inline-block;margin-bottom:12px;color:#7EB6FF;font-weight:700;letter-spacing:.08em}.media{position:relative;width:100%;max-width:100%;overflow:hidden;border-radius:16px;background:#07111F;aspect-ratio:3/4;border:1px solid rgba(61,139,255,.18)}.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.placeholder{background:linear-gradient(145deg,#0B1524,#101C30)}.hero-media{min-height:420px;max-height:520px}.hero-media.media{aspect-ratio:auto;height:480px}.poster-pair{display:grid;grid-template-columns:1fr 1fr;gap:22px}.poster-pair .media{height:360px;aspect-ratio:auto}.directory{border-top:1px solid rgba(61,139,255,.28)}.directory-row{display:grid;grid-template-columns:220px 1fr;gap:24px;padding:18px 0;border-bottom:1px solid rgba(61,139,255,.18);text-decoration:none}.directory-row strong{color:#fff;font-size:18px}.directory-row span{color:#9AABC4}.note-band{padding:24px;border:1px solid rgba(61,139,255,.28);border-radius:14px;background:#0E1C30;color:#D5E2F2}.app-strip{display:grid;grid-template-columns:220px 1fr auto;gap:22px;align-items:center;background:#101C30;border:1px solid rgba(61,139,255,.28);border-radius:14px;padding:18px}.app-strip .media{height:120px;aspect-ratio:16/9}.page-hero{padding:46px 0 22px}.breadcrumb{font-size:14px;color:#7E8DA3;margin-bottom:14px}.breadcrumb a{color:#9AABC4;text-decoration:none}.article{width:min(820px,calc(100% - 32px));margin:0 auto;padding:18px 0 52px}.article h2{color:#fff;font-size:26px;line-height:1.3;margin:34px 0 12px}.article h3{color:#fff;font-size:20px}.article p,.article li{font-size:17px;color:#D5E2F2}.article ul,.article ol{padding-left:22px}.article .media{height:330px;aspect-ratio:auto;margin:24px 0}.article-links{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:26px}.article-links a,.text-link{display:block;padding:12px 14px;border-radius:12px;background:#101C30;border:1px solid rgba(61,139,255,.22);text-decoration:none}.info-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.info-card{background:#101C30;border:1px solid rgba(61,139,255,.22);border-radius:14px;padding:20px}.info-card h2,.info-card h3{margin-top:0}.steps{counter-reset:step;display:grid;gap:14px}.step{background:#101C30;border-left:3px solid #3D8BFF;border-radius:0 14px 14px 0;padding:18px}.faq-list details{background:#101C30;border:1px solid rgba(61,139,255,.2);border-radius:14px;padding:16px 18px;margin:12px 0}.faq-list summary{cursor:pointer;color:#fff;font-weight:700}.faq-list details p{margin-bottom:0}.site-footer{background:#060E18;border-top:2px solid #3D8BFF;padding:38px 0 18px}.footer-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr 1fr;gap:28px}.footer-grid h2{font-size:16px;color:#fff;margin:0 0 12px}.footer-grid a{display:block;color:#D5E2F2;text-decoration:none;margin:6px 0}.footer-grid p{color:#9AABC4}.footer-bottom{margin-top:24px;padding-top:18px;border-top:1px solid rgba(61,139,255,.18);color:#7E8DA3;font-size:14px}.side-tools{position:fixed;right:12px;top:38%;z-index:8000;width:92px;display:grid;gap:8px;background:#0B1524;padding:10px;border:1px solid rgba(61,139,255,.28);border-radius:14px;box-shadow:0 14px 32px rgba(0,0,0,.35)}.side-tools a,.side-tools button{min-height:40px;border:0;border-radius:10px;background:#101C30;color:#fff;text-decoration:none;text-align:center;font-size:13px;padding:8px;cursor:pointer}.side-tools .main-btn{background:linear-gradient(180deg,#5BA3FF 0%,#2F74F0 100%)}.mobile-bottom{display:none}.mobile-drawer,.drawer-mask{display:none}.mobile-drawer{overflow-y:auto}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:14px;border-bottom:1px solid rgba(61,139,255,.2)}.drawer-close,.menu-toggle{min-height:40px;border:1px solid rgba(61,139,255,.28);background:#101C30;color:#7EB6FF;border-radius:10px;padding:0 12px}.drawer-group{padding:12px 16px;border-bottom:1px solid rgba(61,139,255,.12)}.drawer-group strong{display:block;color:#fff;margin-bottom:6px}.drawer-group a{display:inline-block;margin:5px 10px 5px 0;color:#C9D7E9;text-decoration:none}.drawer-open{overflow:hidden}
@media(max-width:1180px){.side-tools{display:none}}
@media(max-width:980px){body{padding-bottom:58px}.channel-bar,.nav-core{display:none}.header-inner{min-height:62px}.menu-toggle{display:inline-flex;align-items:center;justify-content:center}.header-btn{min-width:76px;padding:0 12px}.site-logo img{height:36px;max-width:145px}.hero-grid{grid-template-columns:1fr;gap:22px}.hero-media.media{height:340px}.poster-pair{grid-template-columns:1fr}.poster-pair .media{height:300px}.directory-row{grid-template-columns:1fr;gap:4px}.app-strip{grid-template-columns:1fr}.app-strip .media{height:180px}.footer-grid{grid-template-columns:1fr 1fr}.mobile-bottom{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;left:0;right:0;bottom:0;z-index:8500;background:#07111F;border-top:1px solid rgba(61,139,255,.35)}.mobile-bottom a{min-height:52px;display:flex;align-items:center;justify-content:center;text-decoration:none;color:#D5E2F2}.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)}.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}.article-links{grid-template-columns:1fr}.article .media{height:250px}.info-grid{grid-template-columns:1fr}.section{padding:32px 0}.page-hero{padding:32px 0 12px}}
@media(max-width:520px){.header-inner{padding:0 10px;gap:8px}.menu-toggle{padding:0 10px}.header-btn{font-size:13px;min-width:72px;padding:0 10px}.logo-fallback{min-width:104px;font-size:15px;padding:0 8px}.hero-copy h1,.page-hero h1{font-size:28px}.hero-media.media{height:310px}.poster-pair .media{height:270px}.article{width:min(100% - 28px,820px)}.footer-grid{grid-template-columns:1fr}}