:root{--bg:#0B1220;--deep:#070B14;--panel:#141C2E;--panel2:#1C2740;--title:#E8F0FF;--text:#C9D6EC;--muted:#8FA3C4;--soft:#6B7F9E;--brand:#7BA3E8;--bright:#A8C4F0;--space:#1A3A6E;--border:rgba(123,163,232,.18);--border-strong:rgba(123,163,232,.46);--shadow:0 12px 28px rgba(0,0,0,.35);--max:1120px;--top:122px}
*{box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:hidden}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}body.modal-open{overflow:hidden}a{color:inherit;text-decoration:none}button{font:inherit}img{display:block;max-width:100%}.skip-link{position:fixed;left:16px;top:-60px;z-index:1000;background:var(--bright);color:var(--deep);padding:8px 12px;border-radius:8px}.skip-link:focus{top:8px}.bar-inner,.content-shell{width:min(var(--max),calc(100% - 32px));margin:0 auto}.starline{height:22px;position:fixed;inset:0 0 auto;z-index:90;background:var(--deep);border-bottom:1px solid var(--border);font-size:12px;color:var(--text)}.starline-inner{height:22px;display:flex;align-items:center;justify-content:space-between}.text-button,.drawer-trigger,.close-button{border:0;background:transparent;color:var(--title);cursor:pointer;min-height:44px;padding:0 12px}.starline .text-button{min-height:22px;height:22px;font-size:12px}.railbar{height:60px;position:fixed;top:22px;left:0;right:0;z-index:88;background:var(--bg);border-bottom:1px solid var(--border)}.railbar-inner{height:60px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px}.brand-link{justify-self:start;min-width:44px;min-height:44px;display:flex;align-items:center}.brand-logo{height:28px;width:auto;max-width:180px;object-fit:contain}.brand-fallback{font-size:16px;font-weight:700;color:var(--title)}.drawer-trigger{justify-self:center;border:1px solid var(--border-strong);border-radius:10px;min-width:74px;height:44px}.rail-app{justify-self:end;display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 14px;border-radius:10px;background:linear-gradient(135deg,#A8C4F0 0%,#7BA3E8 55%,#1A3A6E 100%);color:var(--deep);font-weight:700;font-size:14px}.signbar{height:40px;position:fixed;top:82px;left:0;right:0;z-index:86;background:var(--space);border-bottom:1px solid var(--border)}.signbar-inner{height:40px;width:min(720px,calc(100% - 32px));margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);align-items:center;gap:8px}.signbar a{height:30px;display:flex;align-items:center;justify-content:center;border-radius:8px;color:var(--title);font-size:13px}.signbar a.is-current{background:var(--brand);color:var(--deep);font-weight:700}.site-main{padding-top:calc(var(--top) + 30px);min-height:70vh}.page-hero,.section-block{width:min(var(--max),calc(100% - 32px));margin:0 auto 28px}.page-hero{padding:26px 0 8px}.eyebrow{font-size:12px;letter-spacing:.16em;color:var(--brand);text-transform:uppercase}.page-hero h1{font-size:24px;line-height:1.3;color:var(--title);margin:8px 0 12px}.page-hero p{max-width:820px;margin:0;color:var(--text)}.hero-actions,.button-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.primary-button,.secondary-button,.link-button{min-height:42px;display:inline-flex;align-items:center;justify-content:center;padding:0 16px;border-radius:10px;font-size:14px;white-space:nowrap}.primary-button{background:linear-gradient(135deg,#A8C4F0 0%,#7BA3E8 55%,#1A3A6E 100%);color:var(--deep);font-weight:700}.secondary-button,.link-button{background:var(--deep);color:var(--title);border:1px solid var(--border-strong)}a:hover{color:var(--bright)}.primary-button:hover{color:var(--deep);filter:brightness(1.08)}a:focus-visible,button:focus-visible{outline:2px solid var(--bright);outline-offset:3px}.media-slot{width:100%;background:var(--deep);border:1px solid var(--border);border-radius:12px;display:flex;align-items:center;justify-content:center;overflow:hidden}.media-slot img{width:100%;height:100%;object-fit:contain;object-position:center}.banner-slot{height:260px}.feature-slot{height:180px}.section-slot{height:200px}.app-slot{height:360px;max-width:440px;margin:0 auto}.icon-slot{width:48px;height:48px}.cover-copy{padding:22px 0 2px}.cover-copy h1{margin:4px 0 8px}.lead{font-size:16px;color:var(--title)}.cards-3,.cards-2,.cards-4{display:grid;gap:16px}.cards-3{grid-template-columns:repeat(3,minmax(0,1fr))}.cards-2{grid-template-columns:repeat(2,minmax(0,1fr))}.cards-4{grid-template-columns:repeat(4,minmax(0,1fr))}.card{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:18px;box-shadow:var(--shadow)}.card h2,.section-block h2{font-size:20px;color:var(--title);line-height:1.35;margin:0 0 10px}.card h3,.section-block h3{font-size:16px;color:var(--title);margin:0 0 8px}.card p,.section-block p{margin:0 0 12px}.card p:last-child,.section-block p:last-child{margin-bottom:0}.number{font-size:12px;color:var(--bright);letter-spacing:.12em;font-weight:700}.split-section{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.25fr);gap:22px;align-items:start}.content-panel{background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:22px;box-shadow:var(--shadow)}.shelf-list,.plain-list,.index-list{list-style:none;margin:0;padding:0}.shelf-list li,.plain-list li,.index-list li{padding:13px 0;border-bottom:1px solid var(--border)}.shelf-list li:last-child,.plain-list li:last-child,.index-list li:last-child{border-bottom:0}.shelf-list strong,.index-list strong{color:var(--title);display:block;margin-bottom:4px}.shelf-list span,.index-list span{color:var(--muted)}.timeline{position:relative;margin:10px 0 0 12px;padding-left:24px;border-left:1px solid var(--border-strong)}.timeline article{position:relative;margin:0 0 22px;background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:16px}.timeline article:before{content:"";position:absolute;left:-31px;top:20px;width:12px;height:12px;border-radius:50%;background:var(--brand);border:3px solid var(--bg)}.status{display:inline-flex;padding:3px 9px;border-radius:999px;background:var(--space);color:var(--title);font-size:12px;margin-bottom:8px}.big-number-list{counter-reset:item;display:grid;gap:14px}.big-number-list article{counter-increment:item;display:grid;grid-template-columns:72px 1fr;gap:14px;background:var(--panel);border:1px solid var(--border);padding:18px;border-radius:12px}.big-number-list article:before{content:counter(item,decimal-leading-zero);font-size:28px;font-weight:800;color:var(--bright);line-height:1}.quote-note{border-left:3px solid var(--brand);padding:14px 16px;background:var(--panel2);border-radius:0 10px 10px 0;color:var(--title)}.faq-list details{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:14px 16px;margin-bottom:12px}.faq-list summary{cursor:pointer;color:var(--title);font-weight:700;line-height:1.5}.faq-list details p{margin-top:12px;color:var(--text)}.site-footer{background:var(--deep);border-top:1px solid var(--border);margin-top:46px;padding:30px 0 calc(26px + env(safe-area-inset-bottom))}.footer-grid{display:grid;grid-template-columns:1.2fr 2fr;gap:32px}.footer-brand-row{display:flex;align-items:center;gap:12px;margin-bottom:12px}.footer-brand strong{display:block;color:var(--title)}.footer-brand span{display:block;color:var(--muted);font-size:12px}.footer-brand p{font-size:13px;color:var(--text);margin:0}.footer-links{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.footer-links h3{font-size:13px;color:var(--title);margin:0 0 8px}.footer-links a{display:block;font-size:13px;color:var(--text);padding:3px 0}.footer-bottom{border-top:1px solid var(--border);margin-top:24px;padding-top:16px;font-size:13px;color:var(--muted)}.overlay{position:fixed;inset:0;z-index:110;background:rgba(0,0,0,.62);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.star-drawer{position:fixed;top:0;right:0;bottom:0;z-index:120;width:min(400px,86vw);background:var(--deep);border-left:1px solid var(--border-strong);transform:translateX(102%);visibility:hidden;pointer-events:none;transition:transform .24s ease,visibility .24s;box-shadow:var(--shadow)}.star-drawer.is-open{transform:translateX(0);visibility:visible;pointer-events:auto}.drawer-head{height:70px;display:flex;align-items:center;justify-content:space-between;padding:0 16px;border-bottom:1px solid var(--border)}.drawer-brand{display:flex;align-items:center;gap:10px;color:var(--title);font-weight:700}.drawer-scroll{height:calc(100% - 70px);overflow:auto;padding:14px 16px 30px}.drawer-scroll section{margin-bottom:18px}.drawer-scroll h2{font-size:13px;color:var(--bright);margin:0 0 6px}.drawer-scroll a{display:block;padding:10px;border-radius:10px}.drawer-scroll a:hover{background:var(--panel)}.drawer-scroll strong{display:block;color:var(--title);font-size:14px}.drawer-scroll span{display:block;color:var(--muted);font-size:12px;margin-top:2px}.search-layer{position:fixed;z-index:121;top:82px;left:0;right:0;visibility:hidden;pointer-events:none;opacity:0;transition:.2s}.search-layer.is-open{visibility:visible;pointer-events:auto;opacity:1}.search-card{width:min(760px,calc(100% - 32px));margin:14px auto 0;background:var(--bg);border:1px solid var(--border-strong);border-radius:14px;padding:20px;box-shadow:var(--shadow)}.search-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.search-head h2{font-size:20px;color:var(--title);margin:0}.search-card p{color:var(--muted)}.search-presets{display:flex;flex-wrap:wrap;gap:10px}.search-presets a{min-height:44px;display:flex;align-items:center;padding:0 14px;border:1px solid var(--border);background:var(--panel);border-radius:10px}.mobile-bottom{display:none}
@media (max-width:820px){:root{--top:82px}.signbar{display:none}.site-main{padding-top:calc(var(--top) + 20px)}.cards-3,.cards-4{grid-template-columns:1fr}.cards-2,.split-section{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.footer-links{grid-template-columns:repeat(2,1fr)}.railbar-inner{grid-template-columns:1fr auto 1fr;gap:6px}.rail-app{padding:0 10px}.brand-logo{max-width:128px}.mobile-bottom{display:grid;position:fixed;left:0;right:0;bottom:0;z-index:80;height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);grid-template-columns:repeat(5,1fr);background:var(--deep);border-top:1px solid var(--border)}.mobile-bottom a{min-height:48px;display:flex;align-items:center;justify-content:center;font-size:12px;color:var(--text)}.mobile-bottom a.is-current{background:var(--brand);color:var(--deep);font-weight:700}.site-footer{padding-bottom:calc(70px + env(safe-area-inset-bottom))}.search-layer{top:0;bottom:0;background:var(--deep);padding-top:22px}.search-card{margin:0 auto;background:var(--deep);border:0;box-shadow:none}.banner-slot{height:220px}.feature-slot{height:160px}.section-slot{height:180px}.app-slot{height:320px}.big-number-list article{grid-template-columns:54px 1fr}.starline-inner,.bar-inner,.content-shell,.page-hero,.section-block{width:min(100% - 32px,var(--max))}}
@media (max-width:460px){.railbar-inner{gap:4px}.brand-fallback{font-size:15px}.drawer-trigger{min-width:64px;padding:0 8px}.rail-app{font-size:13px;padding:0 8px}.footer-links{grid-template-columns:1fr 1fr}.search-head{align-items:flex-start}.search-head h2{font-size:18px}}