:root{--page:#eef6fb;--surface:#fff;--soft:#f6fbff;--blue:#137cd8;--blue2:#2fa8f7;--cyan:#38c5d6;--text:#21384f;--muted:#63798d;--line:rgba(19,124,216,.14);--dark:#0f2e47;--shadow:0 14px 34px rgba(16,73,116,.10)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;overflow-x:hidden;background:linear-gradient(180deg,#f7fbfe 0,#eef6fb 340px,#eef6fb 100%);color:var(--text);font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%}button,a{touch-action:manipulation}.site-header{position:sticky;top:0;z-index:9000;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.header-inner{max-width:1180px;min-height:68px;margin:auto;padding:0 16px;display:flex;align-items:center;gap:16px}.site-logo{display:flex;align-items:center;flex:0 0 auto}.site-logo img,.drawer-logo img,.footer-logo img{display:block;height:38px;width:auto;max-width:156px;object-fit:contain}.logo-text{font-size:23px;font-weight:900;color:var(--blue);white-space:nowrap}.nav-core{display:flex;align-items:center;justify-content:center;gap:3px;flex:1}.nav-core 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var(--line);box-shadow:var(--shadow)}.carousel-track,.carousel-slide{position:absolute;inset:0}.carousel-slide{display:none;background:#fff}.carousel-slide.is-active{display:block}.carousel-slide .media{height:100%;aspect-ratio:auto;border-radius:0;background:#fff}.carousel-prev,.carousel-next{position:absolute;top:50%;z-index:2;transform:translateY(-50%);width:42px;height:42px;border:0;border-radius:50%;background:rgba(255,255,255,.94);color:var(--blue);font-size:25px;box-shadow:0 4px 16px rgba(15,46,71,.15);cursor:pointer}.carousel-prev{left:14px}.carousel-next{right:14px}.carousel-dots{position:absolute;z-index:2;left:50%;bottom:12px;transform:translateX(-50%);display:flex;gap:7px}.carousel-dot{width:10px;height:10px;min-height:10px;padding:0;border-radius:50%;border:1px solid #9bd2f4;background:#fff}.carousel-dot.is-active{background:var(--blue)}.media{position:relative;width:100%;overflow:hidden;border-radius:16px;background:#edf5ff;aspect-ratio:16/9}.media>img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;object-position:center;display:block}.media-placeholder{display:flex;align-items:center;justify-content:center;color:#8095a8;font-size:14px}.feature-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:18px}.feature-main,.feature-side,.info-card,.topic-card,.service-band{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}.feature-main{padding:26px}.feature-main h2,.feature-side h2,.section-title h2{margin:0;color:#185d95}.feature-main p{margin:10px 0 0}.feature-side{padding:22px;display:grid;gap:12px}.quick-link{display:flex;justify-content:space-between;gap:10px;align-items:center;padding:13px 14px;border-radius:13px;background:#f5fbff;color:#27455f;font-weight:800}.quick-link span{color:var(--blue)}.section-title{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:16px}.section-title p{margin:0;color:var(--muted)}.daily-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.info-card{padding:20px}.info-card h3{margin:0 0 8px;color:#1a5f96}.info-card p{margin:0;color:var(--muted)}.spotlight{display:grid;grid-template-columns:.95fr 1.05fr;gap:22px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:20px;padding:20px;box-shadow:var(--shadow)}.spotlight h2{margin:0 0 10px;color:#175c93}.spotlight p{margin:0 0 10px}.topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.topic-card{padding:18px}.topic-card h3{margin:0 0 7px;font-size:18px}.topic-card p{margin:0;color:var(--muted);font-size:14px}.service-band{display:grid;grid-template-columns:210px 1fr auto;gap:20px;align-items:center;padding:18px}.service-band .media{height:118px;aspect-ratio:auto}.service-band h2{margin:0 0 5px;color:#175c93}.service-band p{margin:0;color:var(--muted)}.article{font-size:17px;line-height:1.88}.article h2{margin:28px 0 10px;color:#17629b;font-size:24px}.article p{margin:0 0 16px}.article ul,.article ol{padding-left:22px}.article .lead{padding:18px 20px;background:#f4fbff;border:1px solid var(--line);border-left:4px solid #38c5d6;border-radius:14px}.article-panel{display:grid;grid-template-columns:1fr .9fr;gap:22px;align-items:start}.article-panel.reverse{grid-template-columns:.9fr 1fr}.link-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}.link-row a{display:inline-flex;min-height:40px;align-items:center;padding:7px 13px;border:1px solid var(--line);background:#fff;border-radius:999px;font-weight:800}.list-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:18px 0}.list-grid a{min-height:70px;display:flex;align-items:center;justify-content:center;text-align:center;padding:13px;border:1px solid var(--line);background:#fff;border-radius:14px;font-weight:800}.qa-list{display:grid;gap:14px}.qa-item{padding:19px;background:#fff;border:1px solid var(--line);border-radius:15px}.qa-item h2{font-size:20px;margin:0 0 7px}.qa-item p{margin:0}.floating-tools{position:fixed;right:10px;top:42%;z-index:8000;display:grid;gap:7px;width:96px}.floating-tools a,.floating-tools button{min-height:40px;border:1px solid var(--line);background:#fff;color:var(--blue);border-radius:10px;padding:7px 8px;font-weight:800;font-size:13px;box-shadow:0 8px 20px rgba(15,46,71,.10);text-align:center}.floating-tools .float-register{background:linear-gradient(135deg,#39cad8,#2fa8f7);color:#fff}.mobile-bottom{display:none}.site-footer{margin-top:44px;background:var(--dark);color:#e9f5fd}.footer-grid{max-width:1140px;margin:auto;padding:40px 16px 26px;display:grid;grid-template-columns:1.35fr repeat(3,1fr);gap:24px}.footer-grid h2{font-size:16px;margin:0 0 10px;color:#fff}.footer-grid a{display:block;color:#d8eaf7;margin:5px 0}.footer-grid p{color:#b9d0e1}.footer-note{max-width:1140px;margin:auto;padding:17px 16px 24px;border-top:1px solid rgba(255,255,255,.10);font-size:14px;color:#b9d0e1}.footer-note p{margin:4px 0}.mobile-drawer,.drawer-mask{display:none}.drawer-auth{display:flex;gap:8px;padding:12px 14px;border-bottom:1px solid var(--line)}.drawer-auth .auth-btn{flex:1}
@media(max-width:1180px){.floating-tools{display:none}}
@media(max-width:980px){.channel-strip,.nav-core{display:none}.menu-toggle{display:inline-flex;align-items:center}.header-inner{display:grid;grid-template-columns:70px minmax(0,1fr) auto;gap:8px;min-height:64px;padding:0 10px}.site-logo{justify-self:center}.site-logo img{height:32px;max-width:126px}.header-actions{gap:5px}.auth-btn{height:38px;min-width:56px;padding:0 10px;font-size:14px}.feature-grid,.spotlight,.article-panel,.article-panel.reverse{grid-template-columns:1fr}.topic-grid{grid-template-columns:repeat(2,1fr)}.daily-grid{grid-template-columns:1fr 1fr}.service-band{grid-template-columns:150px 1fr}.service-band>.auth-btn{display:none}.footer-grid{grid-template-columns:1fr 1fr}.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{height:64px;padding:0 14px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.drawer-close{min-height:40px;border:0;border-radius:9px;background:#eef8ff;color:var(--blue);font-weight:800}.drawer-scroll{height:calc(100vh - 126px);overflow-y:auto;padding:12px 14px 26px}.drawer-group{padding:5px 0 12px}.drawer-group h2{font-size:14px;margin:0 0 6px;color:#6b8094}.drawer-links{display:grid;grid-template-columns:1fr 1fr;gap:6px}.drawer-links a{min-height:40px;display:flex;align-items:center;padding:6px 9px;border-radius:9px;background:#f6fbff;color:#29445e}body.drawer-open{overflow:hidden}}
@media(max-width:720px){body{padding-bottom:60px}.shell,.reading{width:min(100% - 24px,1140px)}.section{padding:30px 0}.section-tight{padding:21px 0}.hero-copy{padding-top:26px}.hero-copy h1,.article-head h1{font-size:clamp(27px,8vw,33px)}.carousel{width:min(100% - 24px,1140px);height:165px;margin-top:15px}.carousel-prev,.carousel-next{width:40px;height:40px}.daily-grid{grid-template-columns:1fr}.topic-grid{grid-template-columns:1fr 1fr}.service-band{grid-template-columns:1fr}.service-band .media{height:auto;aspect-ratio:16/9}.list-grid{grid-template-columns:1fr 1fr}.article{font-size:16px}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:8500;display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border-top:1px solid var(--line);padding:5px 6px calc(5px + env(safe-area-inset-bottom))}.mobile-bottom a{min-height:44px;display:flex;align-items:center;justify-content:center;color:#29445e;font-weight:800}}
@media(max-width:430px){.header-inner{grid-template-columns:54px minmax(0,1fr) 126px}.site-logo img{height:29px;max-width:108px}.header-actions .auth-btn{min-width:58px;padding:0 7px;font-size:13px}.topic-grid{grid-template-columns:1fr 1fr}.list-grid{grid-template-columns:1fr}}