*{box-sizing:border-box}html{overflow-x:hidden;scroll-behavior:smooth}body{margin:0;background:#24003f;color:#fff;font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.82;overflow-x:hidden}body.drawer-open{overflow:hidden}a{color:#25dff5;text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%}.site-header{position:sticky;top:0;z-index:9999;width:100%;background:rgba(36,0,63,.78);backdrop-filter:blur(12px);box-shadow:0 8px 24px rgba(0,0,0,.22)}.header-inner{max-width:1160px;min-height:68px;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}.site-logo img,.drawer-logo img,.footer-logo img{display:block;height:40px;width:auto;max-width:160px;object-fit:contain}.logo-text{font-size:20px;font-weight:900;color:#bfffff}.nav-core{display:flex;align-items:center;justify-content:center;gap:2px;flex:1}.nav-core a{color:#fff;padding:8px 12px;font-weight:700;white-space:nowrap}.nav-core a.is-current,.nav-core a:hover{color:#25dff5;box-shadow:inset 0 -2px 0 #25dff5;text-decoration:none}.main-btn{display:inline-flex;align-items:center;justify-content:center;height:42px;min-width:96px;padding:0 20px;background:linear-gradient(90deg,#21dff5 0%,#8f7bff 52%,#f06bea 100%);color:#fff;border-radius:999px;font-weight:700;box-shadow:0 12px 26px rgba(240,107,234,.26);white-space:nowrap}.channel-bar{background:#2d0052;border-top:1px solid rgba(191,255,255,.08);border-bottom:1px solid rgba(191,255,255,.08)}.channel-inner{max-width:1160px;margin:auto;padding:0 18px;display:flex;overflow-x:auto}.channel-inner a{color:#d8c7ff;padding:10px 11px;white-space:nowrap;font-size:14px;font-weight:700}.channel-inner a.is-current,.channel-inner a:hover{color:#25dff5}.menu-toggle{display:none;width:42px;height:42px;border:1px solid rgba(191,255,255,.14);background:#2d0052;border-radius:12px;padding:9px}.menu-toggle span{display:block;height:2px;background:#bfffff;margin:5px 0}.shell{width:min(1160px,calc(100% - 36px));margin:auto}.reading{width:min(840px,100%);margin:auto}.hero-space{padding:44px 0 22px}.section{padding:42px 0}.section.compact{padding:26px 0}h1,h2{color:#bfffff;line-height:1.3}h1{font-size:clamp(28px,4vw,44px);margin:0 0 16px}.section-title{font-size:clamp(26px,3vw,38px)}p{margin:0 0 16px}.lead{font-size:18px;color:#d8c7ff;max-width:840px}.kicker{color:#f06bea;font-weight:800}.breadcrumb{padding-top:26px;color:#b99ee8;font-size:14px}.media{position:relative;width:100%;overflow:hidden;border-radius:14px;background:#2d0052;aspect-ratio:16/9;border:1px solid rgba(191,255,255,.14);box-shadow:0 14px 36px rgba(0,0,0,.22)}.media>img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;object-position:center;display:block}.media-fallback{position:absolute;inset:0;background:linear-gradient(135deg,#2d0052,#3b006b)}.media.poster{max-width:1080px;margin:auto;aspect-ratio:16/3}.media.article-media{height:230px;aspect-ratio:auto}.magazine{display:grid;grid-template-columns:3fr 2fr;gap:24px}.split,.app-strip{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:center}.panel,.article,.text-card,.topic-item,.question,.step{background:#2d0052;border:1px solid rgba(191,255,255,.14);border-radius:16px;padding:24px;box-shadow:0 14px 36px rgba(0,0,0,.20)}.stack{display:grid;gap:16px}.text-card{background:#3b006b}.topic-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}.topic-item h2{font-size:20px}.notice-line{background:#16002b;border-left:4px solid #25dff5;padding:20px 22px;border-radius:12px;color:#d8c7ff}.link-row{display:flex;flex-wrap:wrap;gap:10px}.link-pill{padding:8px 12px;background:#3b006b;border:1px solid rgba(191,255,255,.14);border-radius:999px}.index-list{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.index-list a{background:#2d0052;border:1px solid rgba(191,255,255,.14);border-radius:14px;padding:18px;color:#d8c7ff}.index-list strong{display:block;color:#bfffff}.steps{display:grid;gap:12px;counter-reset:step}.step{position:relative;padding-left:64px}.step:before{counter-increment:step;content:counter(step);position:absolute;left:18px;top:20px;width:30px;height:30px;display:grid;place-items:center;border-radius:50%;background:#3b006b;color:#bfffff;font-weight:800}.floating-tools{position:fixed;right:14px;top:38%;z-index:9000;width:54px;display:grid;gap:7px}.floating-tools a,.floating-tools button{display:flex;align-items:center;justify-content:center;min-height:48px;padding:7px 5px;background:#16002b;color:#d8c7ff;border:1px solid rgba(191,255,255,.14);border-radius:10px;font-size:12px;text-align:center}.floating-tools .float-register{background:linear-gradient(180deg,#21dff5,#8f7bff,#f06bea);color:#fff}.site-footer{background:#140024;margin-top:56px}.footer-grid{max-width:1160px;margin:auto;padding:42px 18px;display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:30px}.footer-grid section{display:grid;align-content:start;gap:8px}.footer-grid h2{font-size:17px}.footer-grid a{color:#d8c7ff}.footer-note{border-top:1px solid rgba(191,255,255,.08);max-width:1160px;margin:auto;padding:18px;color:#b99ee8;font-size:13px}.mobile-bottom{display:none}.mobile-drawer,.drawer-mask{display:none}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;border-bottom:1px solid rgba(191,255,255,.12)}.drawer-close{width:40px;height:40px;border:0;border-radius:10px;background:#3b006b;color:#fff;font-size:28px}.drawer-groups{padding:10px 18px 28px;overflow-y:auto;height:calc(100vh - 74px)}.drawer-groups section{padding:10px 0 14px;border-bottom:1px solid rgba(191,255,255,.08)}.drawer-groups h2{font-size:14px;color:#f06bea}.drawer-groups a{display:block;color:#fff;padding:7px 0}@media(max-width:1100px){.topic-grid{grid-template-columns:repeat(3,1fr)}.floating-tools{display:none}}@media(max-width:980px){.header-inner{min-height:64px;padding:0 12px;display:grid;grid-template-columns:44px 1fr auto;gap:10px}.menu-toggle{display:block}.nav-core,.channel-bar{display:none}.site-logo{justify-self:center}.site-logo img{height:34px;max-width:136px}.header-action{height:40px;min-width:82px;padding:0 14px;font-size:14px}.mobile-drawer{display:block;position:fixed;inset:0 auto 0 0;width:min(84vw,320px);background:#2d0052;z-index:12000;transform:translateX(-105%);transition:transform .2s ease;box-shadow:18px 0 40px rgba(0,0,0,.36)}.mobile-drawer.is-open{transform:translateX(0)}.drawer-mask{display:none;position:fixed;inset:0;background:rgba(20,0,36,.52);z-index:11000;opacity:0;pointer-events:none;transition:opacity .18s ease}.drawer-mask.is-visible{display:block;opacity:1;pointer-events:auto}.magazine,.split,.app-strip{grid-template-columns:1fr}.footer-grid{grid-template-columns:repeat(2,1fr)}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:9500;height:56px;background:#16002b;border-top:1px solid rgba(191,255,255,.12);display:grid;grid-template-columns:repeat(4,1fr)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;color:#d8c7ff;font-weight:700}body{padding-bottom:56px}.media.poster{height:140px;aspect-ratio:auto}}@media(max-width:680px){.shell{width:min(100% - 24px,1160px)}.hero-space{padding:30px 0 16px}.section{padding:30px 0}.panel,.article,.question{padding:20px}.topic-grid{grid-template-columns:repeat(2,1fr)}.index-list{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.media.article-media{height:208px}.lead{font-size:16px}}@media(max-width:390px){.header-action{min-width:78px;padding:0 12px;font-size:13px}.site-logo img{height:31px;max-width:118px}}