*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#eef5f8;color:#203447;font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8;overflow-x:hidden}a{color:inherit}img{max-width:100%}.site-header{position:sticky;top:0;z-index:9000;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);box-shadow:0 5px 22px rgba(20,93,126,.08)}.header-inner{max-width:1160px;min-height:68px;margin:auto;padding:0 18px;display:flex;align-items:center;justify-content:space-between;gap:14px}.site-logo img,.mobile-logo img,.drawer-logo img,.footer-logo img{display:block;height:38px;width:auto;max-width:158px;object-fit:contain}.logo-fallback{font-weight:800;color:#126f9a}.nav-core{display:flex;align-items:center;gap:4px}.nav-core a{padding:9px 10px;text-decoration:none;white-space:nowrap;font-weight:700;color:#365264}.nav-core a:hover,.nav-core a.is-current{color:#087da8;box-shadow:inset 0 -2px 0 #19a7c4}.header-actions,.mobile-actions,.drawer-actions{display:flex;align-items:center;gap:8px}.main-btn,.ghost-btn,.mini-main,.mini-link{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:0 17px;border-radius:999px;text-decoration:none;font-weight:800;touch-action:manipulation}.main-btn,.mini-main{background:linear-gradient(135deg,#26bed1,#1193c3 55%,#0a6f9f);color:#fff;box-shadow:0 9px 20px rgba(17,147,195,.2)}.ghost-btn,.mini-link{border:1px solid rgba(17,147,195,.25);color:#0a719e;background:#fff}.mobile-header{display:none}.channel-bar{background:#f7fbfd;border-top:1px solid #edf3f6;border-bottom:1px solid #dcecf2}.channel-inner{max-width:1160px;margin:auto;padding:0 18px;display:flex;overflow-x:auto;scrollbar-width:none}.channel-inner::-webkit-scrollbar{display:none}.channel-inner a{padding:12px 10px;text-decoration:none;white-space:nowrap;color:#62798a;font-size:14px}.channel-inner a:hover,.channel-inner a.is-current{color:#087da8;font-weight:700}.site-main{max-width:1160px;margin:auto;padding:28px 18px 70px}.carousel{margin-bottom:24px}.carousel-stage{height:300px;position:relative;overflow:hidden;border-radius:18px;background:#fff;box-shadow:0 14px 34px rgba(20,93,126,.1);z-index:1}.carousel-slide{position:absolute;inset:0;opacity:0;transition:opacity .35s ease}.carousel-slide.is-active{opacity:1}.carousel-slide img,.carousel-placeholder{width:100%;height:100%;object-fit:contain;background:#e9f5f9;display:block}.carousel-arrow{position:absolute;z-index:2;top:50%;transform:translateY(-50%);width:42px;height:42px;border-radius:50%;border:0;background:rgba(255,255,255,.92);color:#087da8;font-size:28px;cursor:pointer}.carousel-arrow.prev{left:14px}.carousel-arrow.next{right:14px}.carousel-dots{position:absolute;z-index:2;left:50%;bottom:14px;transform:translateX(-50%);display:flex;gap:7px}.carousel-dot{width:9px;height:9px;border:0;border-radius:50%;background:#b7cbd4;padding:0;cursor:pointer}.carousel-dot.is-active{background:#0b88b4;transform:scale(1.18)}.hero-board,.page-intro{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(240px,.8fr);gap:24px;background:#fff;border:1px solid rgba(17,147,195,.12);border-radius:18px;padding:34px;box-shadow:0 14px 32px rgba(20,93,126,.08);margin-bottom:24px}.eyebrow,.page-kicker{display:inline-block;font-size:12px;letter-spacing:.16em;font-weight:800;color:#0b88b4;text-transform:uppercase}.hero-board h1,.page-intro h1{font-size:38px;line-height:1.28;margin:10px 0 15px;color:#16384c}.hero-board p,.page-intro p{margin:0;color:#506b7a}.hero-board aside{background:#edf8fb;border-radius:15px;padding:22px}.hero-board aside h2{margin:0 0 12px;font-size:20px;color:#0a719e}.hero-board ul{margin:0;padding-left:20px}.page-intro{grid-template-columns:1fr auto;align-items:center}.intro-tag{display:inline-flex;align-items:center;justify-content:center;padding:10px 16px;background:#e8f7fb;color:#0a719e;border-radius:999px;font-weight:800}.portal-grid,.quick-grid,.path-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:24px 0}.portal-grid a,.quick-grid a,.path-cards article{display:block;background:#fff;border:1px solid rgba(17,147,195,.13);border-radius:16px;padding:20px;text-decoration:none;box-shadow:0 10px 24px rgba(20,93,126,.05)}.portal-grid a:hover,.quick-grid a:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(20,93,126,.1)}.portal-grid strong,.quick-grid strong,.path-cards h2{display:block;color:#0a719e;font-size:18px;margin:0 0 7px}.portal-grid span,.quick-grid span,.path-cards p{color:#5b7483;font-size:14px}.focus-note{margin:24px 0;background:#e9f6fa;border-left:4px solid #16a5c2;border-radius:14px;padding:20px 22px;color:#38596b}.content-split,.feature-strip{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:22px;align-items:stretch;margin:28px 0}.article-card,.feature-strip>div:not(.media),.editorial-panel,.note-list{background:#fff;border:1px solid rgba(17,147,195,.12);border-radius:16px;padding:26px;box-shadow:0 10px 24px rgba(20,93,126,.05)}.article-card h2,.section-title,.topic-title,.editorial-panel h2,.note-list h2{margin-top:0;color:#173e53}.media{position:relative;width:100%;max-width:100%;overflow:hidden;border-radius:16px;background:#e5f3f7;aspect-ratio:16/9;border:1px solid rgba(17,147,195,.12)}.media>img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;object-position:center;display:block}.media-placeholder{position:absolute;inset:0;background:linear-gradient(135deg,#e4f2f6,#f4fafc)}.text-links,.related{display:flex;flex-wrap:wrap;gap:9px;margin-top:18px}.text-links a,.related a{display:inline-flex;align-items:center;min-height:38px;padding:0 14px;border-radius:999px;background:#eef8fb;color:#0a719e;text-decoration:none;font-weight:700;font-size:14px}.breadcrumb{margin:0 0 14px;color:#708693;font-size:14px}.breadcrumb a{color:#0a719e;text-decoration:none}.note-list ul{margin:0;padding-left:20px}.related{margin:26px 0}.faq-list{display:grid;gap:14px}.faq-item{background:#fff;border:1px solid rgba(17,147,195,.12);border-radius:16px;padding:24px}.faq-item h2{margin:0 0 9px;color:#173e53;font-size:20px}.faq-item p{margin:0;color:#526c7b}.site-footer{background:#123246;color:#e8f7fb}.footer-grid{max-width:1160px;margin:auto;padding:46px 18px 28px;display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:28px}.site-footer h2{font-size:16px;margin:0 0 12px;color:#fff}.site-footer a{display:block;text-decoration:none;color:#d6edf4;margin:7px 0}.footer-brand p{color:#bcd5de;font-size:14px;max-width:360px}.footer-bottom{max-width:1160px;margin:auto;padding:16px 18px 24px;border-top:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;gap:20px;color:#bcd5de;font-size:13px}.float-tools{position:fixed;z-index:8000;right:14px;top:44%;display:grid;gap:7px}.float-tools a,.float-tools button{width:48px;min-height:42px;border:0;border-radius:12px;background:#fff;color:#0a719e;box-shadow:0 7px 20px rgba(20,93,126,.12);text-decoration:none;font-size:12px;display:flex;align-items:center;justify-content:center;cursor:pointer}.float-tools .float-primary{background:#0a87b2;color:#fff}.mobile-bottom{display:none}.mobile-drawer,.drawer-mask{display:none}body.drawer-open{overflow:hidden}
@media(max-width:980px){.desktop-header,.channel-bar,.float-tools{display:none}.mobile-header{min-height:64px;padding:0 12px;display:grid;grid-template-columns:68px 1fr 120px;align-items:center;background:#fff}.menu-button{min-height:40px;border:0;background:transparent;color:#0a719e;font-weight:800;touch-action:manipulation}.mobile-logo{display:flex;justify-content:center}.mobile-logo img{max-width:132px;height:34px}.mobile-actions{justify-content:flex-end;gap:5px}.mini-link,.mini-main{min-height:38px;padding:0 10px;font-size:13px}.site-main{padding:20px 14px 88px}.mobile-drawer{display:block;position:fixed;inset:0 auto 0 0;width:min(84vw,320px);background:#fff;z-index:12000;transform:translateX(-105%);transition:transform .2s ease;box-shadow:18px 0 40px rgba(16,43,70,.16)}.mobile-drawer.is-open{transform:translateX(0)}.drawer-mask{display:none;position:fixed;inset:0;background:rgba(16,43,70,.38);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{min-height:66px;padding:10px 14px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #e9f2f5}.drawer-close{min-height:40px;padding:0 12px;border:0;border-radius:10px;background:#eef8fb;color:#0a719e;font-weight:700;touch-action:manipulation}.drawer-scroll{height:calc(100vh - 66px);overflow-y:auto;padding:14px}.drawer-scroll section{margin-bottom:18px}.drawer-scroll h2{font-size:13px;color:#8396a1;margin:0 0 8px}.drawer-scroll section a{display:block;padding:10px 6px;border-bottom:1px solid #eef3f5;text-decoration:none;color:#29495b}.drawer-actions{padding:4px 0 18px}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:8500;display:grid;grid-template-columns:repeat(5,1fr);background:#fff;border-top:1px solid rgba(17,147,195,.18);padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom a{display:flex;min-height:56px;align-items:center;justify-content:center;text-decoration:none;color:#577080;font-size:13px}.hero-board,.page-intro,.content-split,.feature-strip{grid-template-columns:1fr}.carousel-stage{height:220px}.hero-board h1,.page-intro h1{font-size:31px}.portal-grid,.quick-grid,.path-cards{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.mobile-header{grid-template-columns:62px 1fr 108px}.mini-link,.mini-main{padding:0 8px}.carousel-stage{height:165px}.carousel-arrow{width:36px;height:36px;font-size:24px}.portal-grid,.quick-grid,.path-cards{grid-template-columns:1fr 1fr}.hero-board,.page-intro,.article-card,.feature-strip>div:not(.media),.note-list,.editorial-panel{padding:19px}.hero-board h1,.page-intro h1{font-size:28px}.portal-grid a,.quick-grid a,.path-cards article{padding:16px}.footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom p{margin:4px 0}}