*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#eef6fc;color:#20354b;font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.82;overflow-x:hidden}a{color:#1178c9;text-decoration:none}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 rgba(20,116,184,.13)}.header-inner{max-width:1180px;min-height:70px;margin:auto;padding:0 18px;display:flex;align-items:center;justify-content:space-between;gap:14px}.site-logo{display:flex;align-items:center;flex:0 0 auto}.site-logo img,.drawer-logo img,.footer-logo img{display:block;object-fit:contain}.site-logo img{height:37px;width:auto;max-width:155px}.logo-fallback{display:inline-flex;align-items:center;min-height:38px;padding:0 12px;border-radius:10px;background:#e7f3fc;color:#0d6fb5;font-weight:800}.nav-core{display:flex;align-items:center;justify-content:center;gap:3px;white-space:nowrap}.nav-core a{padding:8px 11px;color:#284359;font-weight:700;border-radius:9px}.nav-core a:hover,.nav-core a.is-current{background:#eaf5fd;color:#0d72bc}.main-btn{display:inline-flex;align-items:center;justify-content:center;min-height:40px;min-width:86px;padding:0 17px;border-radius:10px;background:linear-gradient(135deg,#48c5f6,#268fd8 55%,#116db7);color:#fff!important;font-weight:800;box-shadow:0 8px 18px rgba(17,109,183,.16)}.menu-btn{display:none;border:0;background:transparent;color:#0d72bc;font-size:15px;font-weight:800;min-height:40px}.channel-bar{background:#fff;border-bottom:1px solid rgba(20,116,184,.09)}.channel-inner{max-width:1180px;margin:auto;padding:0 18px;display:flex;gap:22px;align-items:center;overflow-x:auto;white-space:nowrap;scrollbar-width:none}.channel-inner a{color:#61788b;padding:12px 0 10px;border-bottom:2px solid transparent;font-size:14px}.channel-inner a.is-current,.channel-inner a:hover{color:#0d72bc;border-bottom-color:#0d72bc}.site-main{max-width:1180px;margin:auto;padding:28px 18px 70px}.breadcrumb{font-size:13px;color:#71879a;margin-bottom:14px}.hero-v2{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:24px;align-items:center;background:linear-gradient(145deg,#fff,#f7fbff);border:1px solid rgba(17,114,188,.12);border-radius:18px;padding:28px;box-shadow:0 16px 40px rgba(28,95,145,.08)}.eyebrow{font-size:13px;letter-spacing:.08em;color:#1579bf;font-weight:800}.hero-v2 h1{font-size:38px;line-height:1.2;margin:8px 0 16px;color:#123c5b}.hero-v2 p{font-size:17px;margin:0 0 18px}.media{position:relative;width:100%;aspect-ratio:16/9;overflow:hidden;border-radius:14px;background:#e6f1f9;z-index:1}.media img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;object-position:center}.media-placeholder{display:block;width:100%;height:100%;background:linear-gradient(135deg,#e5f2fb,#f8fcff)}.home-gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:18px 0 34px}.home-gallery .media{height:142px;aspect-ratio:auto}.section{margin-top:40px}.section-head{display:flex;justify-content:space-between;gap:18px;align-items:end;margin-bottom:16px}.section h2,.article h2{color:#153e5c;line-height:1.3}.section h2{font-size:26px;margin:0}.section-head p{max-width:650px;margin:0;color:#5f778a}.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.topic-card{background:#fff;border:1px solid rgba(17,114,188,.11);border-radius:14px;padding:20px;box-shadow:0 10px 24px rgba(28,95,145,.06)}.topic-card h3{margin:0 0 8px;color:#174868}.topic-card p{margin:0 0 10px;color:#536d81}.timeline{display:grid;gap:0;background:#fff;border:1px solid rgba(17,114,188,.11);border-radius:14px;overflow:hidden}.timeline a{display:grid;grid-template-columns:180px 1fr;gap:20px;padding:16px 18px;border-bottom:1px solid #edf3f7;color:#24445c}.timeline a:last-child{border-bottom:0}.timeline strong{color:#106fab}.notice-strip{margin-top:34px;background:#f6fbff;border-left:4px solid #278fd3;border-radius:10px;padding:15px 18px;color:#3b5a70}.split{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:center}.split .copy{background:#fff;border-radius:14px;padding:22px;border:1px solid rgba(17,114,188,.1)}.article-shell{max-width:820px;margin:0 auto;background:#fff;border:1px solid rgba(17,114,188,.1);border-radius:16px;padding:30px;box-shadow:0 14px 34px rgba(28,95,145,.07)}.article h1{font-size:34px;line-height:1.24;color:#123d5c;margin:0 0 16px}.article .lead{font-size:17px;color:#445f73}.article h2{font-size:23px;margin:28px 0 10px}.article p{margin:0 0 14px}.article .media{margin:20px 0}.related{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;padding-top:18px;border-top:1px solid #e8f0f5}.related a{padding:7px 11px;background:#eef7fd;border-radius:8px}.mini-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:18px 0}.mini-list a{background:#f5faff;border:1px solid #e0eef8;border-radius:10px;padding:14px;color:#22516f}.faq-item{padding:18px 0;border-bottom:1px solid #e5eef4}.faq-item h2{font-size:20px;margin:0 0 8px}.site-footer{background:#102f49;color:#d9efff}.footer-grid{max-width:1180px;margin:auto;padding:38px 18px 28px;display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:28px}.site-footer h2{font-size:17px;color:#fff;margin:0 0 10px}.site-footer a{display:block;color:#d9efff;margin:5px 0}.footer-brand p{max-width:430px}.footer-logo img{height:38px;width:auto;max-width:160px}.logo-fallback-dark{background:rgba(255,255,255,.1);color:#fff}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);max-width:1180px;margin:auto;padding:18px;color:#b8d7ea;font-size:13px}.float-tools{position:fixed;right:14px;top:36%;z-index:8000;display:grid;gap:8px;background:#fff;padding:9px;border-radius:12px;box-shadow:0 12px 30px rgba(22,75,110,.15)}.float-tools>a,.float-tools button{min-height:38px;min-width:82px;border:0;background:#eef7fd;color:#156fae;border-radius:8px;font-weight:700;cursor:pointer}.float-tools .main-btn{background:linear-gradient(135deg,#48c5f6,#268fd8 55%,#116db7);color:#fff}.mobile-drawer,.drawer-mask{display:none}.mobile-bottom{display:none}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:14px;border-bottom:1px solid #e7eff5}.drawer-logo img{height:34px;width:auto;max-width:130px}.drawer-close{border:0;background:#eef7fd;color:#0d72bc;border-radius:8px;min-height:40px;padding:0 12px;font-weight:800}.drawer-scroll{height:calc(100vh - 68px);overflow:auto;padding:10px 14px 30px}.drawer-scroll section{padding:10px 0;border-bottom:1px solid #edf2f6}.drawer-scroll h2{font-size:13px;color:#7890a2;margin:0 0 4px}.drawer-scroll a{display:block;padding:8px 0;color:#24445c}.drawer-open{overflow:hidden}
@media(max-width:980px){.nav-core,.channel-bar,.float-tools{display:none}.menu-btn{display:inline-flex;align-items:center;padding:0}.header-inner{min-height:64px;display:grid;grid-template-columns:1fr auto 1fr}.site-logo{justify-self:center}.header-action{justify-self:end}.site-main{padding:20px 14px 90px}.hero-v2{grid-template-columns:1fr;padding:20px}.hero-v2 h1{font-size:30px}.home-gallery{grid-template-columns:repeat(2,1fr)}.home-gallery .media{height:154px}.topic-grid{grid-template-columns:1fr 1fr}.split{grid-template-columns:1fr}.article-shell{padding:22px 18px}.article h1{font-size:28px}.footer-grid{grid-template-columns:1fr}.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 rgba(17,114,188,.15);padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom a{text-align:center;padding:11px 4px;color:#30526b;font-size:13px}.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}.timeline a{grid-template-columns:1fr;gap:3px}.mini-list{grid-template-columns:1fr}}
@media(max-width:560px){.topic-grid{grid-template-columns:1fr}.home-gallery .media{height:135px}.hero-v2 h1{font-size:27px}.site-logo img{max-width:104px}.header-action{min-width:68px;padding:0 10px}.section h2{font-size:23px}}
@media(max-width:390px){.header-inner{padding:0 10px;gap:5px}.site-logo img{max-width:92px}.header-action{min-width:62px;font-size:12px}.home-gallery .media{height:124px}}