:root{--bg:#08131d;--panel:#0e2230;--panel2:#112d3c;--line:rgba(142,236,211,.18);--text:#f5fbff;--muted:#a9bdc8;--mint:#8eecd3;--cyan:#6dd8ff;--orange:#ffb264;--deep:#040b12;--shadow:0 22px 52px rgba(0,0,0,.24)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at 15% 0%,rgba(109,216,255,.09),transparent 30%),linear-gradient(180deg,#08131d 0%,#091923 55%,#071018 100%);color:var(--text);font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.78;overflow-x:hidden}a{color:inherit}img{max-width:100%}.topbar{position:sticky;top:0;z-index:9000;background:rgba(4,11,18,.86);backdrop-filter:blur(16px);border-bottom:1px solid rgba(142,236,211,.12)}.topbar-inner{max-width:1180px;min-height:72px;margin:auto;padding:0 20px;display:flex;align-items:center;gap:24px}.brand{display:flex;align-items:center;text-decoration:none;min-width:170px}.brand img{width:auto;height:42px;object-fit:contain}.brand strong{font-size:22px;letter-spacing:.06em}.main-nav{display:flex;align-items:center;gap:4px;flex:1;justify-content:center}.main-nav a{padding:10px 13px;text-decoration:none;color:#d5e7ef;font-weight:700;border-radius:10px}.main-nav a:hover,.main-nav a.is-current{color:#071018;background:var(--mint)}.account-link{display:inline-flex;min-width:84px;height:42px;padding:0 18px;align-items:center;justify-content:center;text-decoration:none;border-radius:12px;background:linear-gradient(135deg,var(--orange),#ff7f72);color:#10151b;font-weight:800}.menu-toggle{display:none;background:transparent;border:0;color:white;padding:6px;min-width:44px}.menu-toggle span{display:block;width:20px;height:2px;background:#fff;margin:4px auto;border-radius:9px}.menu-toggle b{font-size:11px}.topic-ribbon{background:#0b1e2a;border-bottom:1px solid var(--line)}.topic-ribbon-inner{max-width:1180px;margin:auto;display:flex;gap:6px;padding:9px 20px;overflow:auto;scrollbar-width:none}.topic-ribbon-inner::-webkit-scrollbar{display:none}.topic-ribbon a{text-decoration:none;color:#a9cedb;padding:7px 10px;border-radius:9px;white-space:nowrap}.topic-ribbon a:hover{background:#153646;color:var(--mint)}.site-main{min-height:70vh}.shell{max-width:1180px;margin:0 auto;padding:0 20px}.hero-new{padding:54px 0 28px}.hero-frame{display:grid;grid-template-columns:minmax(0,1.04fr) minmax(340px,.96fr);gap:26px;align-items:stretch}.hero-copy{border:1px solid var(--line);border-radius:24px;padding:42px;background:linear-gradient(145deg,#0e2532,#0a1923);box-shadow:var(--shadow)}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--mint);font-size:13px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}.eyebrow:before{content:"";width:32px;height:1px;background:var(--mint)}h1{font-size:clamp(32px,5vw,54px);line-height:1.15;margin:18px 0 18px;letter-spacing:-.03em}h2{font-size:clamp(23px,3vw,34px);line-height:1.25;margin:0 0 14px}h3{font-size:20px;line-height:1.35;margin:0 0 10px}.lead{font-size:18px;color:#c6d8e0;max-width:760px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.text-link,.ghost-link{display:inline-flex;align-items:center;gap:8px;text-decoration:none;font-weight:800}.text-link{color:var(--mint)}.ghost-link{padding:10px 14px;border:1px solid var(--line);border-radius:10px;color:#dff8ff}.hero-media{border-radius:24px;overflow:hidden;border:1px solid var(--line);background:#071018;min-height:360px}.hero-media img,.media-box img{width:100%;height:100%;object-fit:contain;object-position:center;display:block}.media-fallback{display:block;width:100%;height:100%;min-height:180px;background:linear-gradient(135deg,#0e2230,#163748)}.section{padding:34px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:20px}.section-head p{max-width:640px;margin:0;color:var(--muted)}.focus-pair{display:grid;grid-template-columns:1fr 1fr;gap:22px}.focus-card{border:1px solid var(--line);border-radius:20px;padding:24px;background:linear-gradient(145deg,#0d202d,#0b1721);box-shadow:var(--shadow)}.focus-card .mini-media{height:220px;margin-bottom:18px;border-radius:14px;overflow:hidden;background:#071018}.mini-media img{width:100%;height:100%;object-fit:contain}.focus-card p{color:var(--muted)}.index-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.index-card{background:#0d202b;border:1px solid var(--line);border-radius:16px;padding:20px;text-decoration:none;min-height:150px;display:flex;flex-direction:column;justify-content:space-between;transition:.18s transform,.18s border-color}.index-card:hover{transform:translateY(-3px);border-color:rgba(142,236,211,.45)}.index-card span{color:var(--muted);font-size:14px}.index-card strong{font-size:20px}.path-row{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;counter-reset:path}.path-step{position:relative;background:#102735;border-radius:16px;padding:22px 20px 20px 58px;border:1px solid var(--line)}.path-step:before{counter-increment:path;content:counter(path);position:absolute;left:18px;top:18px;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:var(--mint);color:#071018;font-weight:900}.path-step p{margin:6px 0 0;color:var(--muted);font-size:14px}.service-strip{display:grid;grid-template-columns:1.1fr .9fr;gap:20px;align-items:center;background:linear-gradient(120deg,#17313f,#112330);border:1px solid var(--line);border-radius:22px;padding:28px}.service-links{display:flex;gap:12px;flex-wrap:wrap}.service-links a{padding:10px 14px;border-radius:10px;background:#071018;text-decoration:none;color:#dff7ff}.breadcrumbs{max-width:1180px;margin:0 auto;padding:24px 20px 0;color:#8eabb8;font-size:14px}.breadcrumbs a{color:var(--mint);text-decoration:none}.inner-hero{padding:20px 0 26px}.inner-hero-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(300px,.85fr);gap:24px;align-items:center}.inner-hero-copy{padding:34px;border-radius:22px;background:#0d202b;border:1px solid var(--line)}.inner-media{height:300px;border-radius:20px;overflow:hidden;background:#071018;border:1px solid var(--line)}.inner-media img{width:100%;height:100%;object-fit:contain}.reading-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:28px;align-items:start}.article-card{background:#0b1c27;border:1px solid var(--line);border-radius:20px;padding:30px}.article-card p{color:#c5d5dd;margin:0 0 16px}.article-card ul,.article-card ol{padding-left:22px;color:#c5d5dd}.article-card li+li{margin-top:9px}.side-index{position:sticky;top:110px;background:#102735;border:1px solid var(--line);border-radius:18px;padding:20px}.side-index h3{color:var(--mint)}.side-index a{display:block;text-decoration:none;color:#d8ebf2;padding:9px 0;border-bottom:1px solid rgba(255,255,255,.06)}.side-index a:last-child{border-bottom:0}.quote-note{border-left:3px solid var(--orange);padding:14px 16px;background:#152532;border-radius:0 12px 12px 0;color:#dbe7ec;margin:20px 0}.split-notes{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:22px 0}.note-box{padding:20px;border-radius:16px;background:#102735;border:1px solid var(--line)}.note-box p{margin:0;color:var(--muted)}.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.related-grid a{text-decoration:none;background:#0f2431;border:1px solid var(--line);border-radius:14px;padding:18px}.related-grid a strong{display:block;color:var(--mint);margin-bottom:6px}.related-grid a span{font-size:14px;color:var(--muted)}.faq-list{display:grid;gap:14px}.faq-item{background:#0d202b;border:1px solid var(--line);border-radius:16px;padding:22px}.faq-item h2{font-size:20px}.faq-item p{margin:0;color:#c3d5dd}.site-footer{margin-top:54px;background:#040b12;border-top:1px solid var(--line)}.footer-grid{max-width:1180px;margin:auto;padding:44px 20px 30px;display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:30px}.footer-brand img{height:42px;width:auto;object-fit:contain}.footer-grid h2{font-size:16px;color:var(--mint)}.footer-grid a{display:block;color:#abc0ca;text-decoration:none;padding:4px 0}.footer-grid p{color:#93aab6;max-width:340px}.footer-note{border-top:1px solid rgba(255,255,255,.06);max-width:1180px;margin:auto;padding:18px 20px 28px;color:#8297a2;font-size:13px}.mobile-drawer,.drawer-mask{display:none}.mobile-dock{display:none}.drawer-open{overflow:hidden}
@media(max-width:980px){.topbar-inner{min-height:64px;justify-content:space-between;padding:0 14px}.menu-toggle{display:block}.main-nav,.topic-ribbon{display:none}.brand{min-width:auto;position:absolute;left:50%;transform:translateX(-50%)}.brand img{height:36px;max-width:150px}.account-link{min-width:72px;height:38px;padding:0 12px;margin-left:auto}.mobile-drawer{display:block;position:fixed;inset:0 auto 0 0;width:min(84vw,320px);background:#07131c;z-index:12000;transform:translateX(-105%);transition:transform .2s ease;box-shadow:18px 0 40px rgba(0,0,0,.36);overflow:auto;padding-bottom:30px}.mobile-drawer.is-open{transform:translateX(0)}.drawer-mask{display:none;position:fixed;inset:0;background:rgba(0,0,0,.58);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{display:flex;align-items:center;justify-content:space-between;padding:18px;border-bottom:1px solid var(--line)}.drawer-brand img{height:38px;width:auto;object-fit:contain}.drawer-close{border:0;background:#14303f;color:white;width:38px;height:38px;border-radius:10px;font-size:24px}.drawer-group{padding:16px 18px}.drawer-group span{display:block;color:var(--mint);font-weight:900;font-size:13px;margin-bottom:6px}.drawer-group a{display:block;text-decoration:none;color:#d9e7ed;padding:9px 0;border-bottom:1px solid rgba(255,255,255,.05)}.hero-frame,.inner-hero-grid,.reading-grid{grid-template-columns:1fr}.hero-media{min-height:250px}.side-index{position:static}.index-grid{grid-template-columns:repeat(2,1fr)}.path-row{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr 1fr}.mobile-dock{position:fixed;display:grid;grid-template-columns:repeat(4,1fr);left:0;right:0;bottom:0;z-index:8000;background:#040b12;border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom)}.mobile-dock a{text-align:center;text-decoration:none;color:#c7d9e0;padding:12px 6px;font-size:13px}.site-footer{padding-bottom:54px}}
@media(max-width:680px){.shell{padding:0 14px}.hero-new{padding-top:30px}.hero-copy{padding:26px 22px}.hero-media{min-height:190px}.focus-pair,.split-notes,.service-strip{grid-template-columns:1fr}.index-grid,.path-row,.related-grid{grid-template-columns:1fr}.index-card{min-height:120px}.inner-hero-copy,.article-card{padding:24px 20px}.inner-media{height:210px}.section{padding:26px 0}.footer-grid{grid-template-columns:1fr;gap:18px}.section-head{display:block}.section-head p{margin-top:8px}}