:root{--bg:#eef5fb;--paper:#fff;--ink:#18334f;--muted:#617991;--blue:#0869bf;--cyan:#21a6dd;--soft:#e6f2fb;--line:rgba(8,105,191,.14);--navy:#0b2741;--shadow:0 12px 30px rgba(24,68,105,.09)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:linear-gradient(180deg,#f7fbff 0,#eef5fb 46%,#eaf2f8 100%);color:var(--ink);font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.82;overflow-x:hidden}img{max-width:100%}a{color:var(--blue)}button,a{touch-action:manipulation}.site-header{position:sticky;top:0;z-index:9000;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}.header-inner{width:min(1180px,calc(100% - 28px));min-height:68px;margin:auto;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:18px}.site-logo{display:flex;align-items:center;text-decoration:none}.site-logo img{display:block;width:auto;height:38px;max-width:150px;object-fit:contain}.logo-placeholder{font-weight:900;letter-spacing:.08em;color:var(--blue);font-size:21px}.nav-core{display:flex;justify-content:center;gap:4px;min-width:0}.nav-core a{padding:9px 12px;border-radius:10px;text-decoration:none;color:#2d4963;font-weight:800;white-space:nowrap}.nav-core a:hover,.nav-core a.is-current{background:#e8f4ff;color:var(--blue)}.auth-actions{display:flex;gap:8px}.auth-btn{height:40px;min-width:64px;padding:0 14px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;text-decoration:none;font-weight:800}.auth-login{background:#fff;border:1px solid var(--line);color:var(--blue)}.auth-register{color:#fff;background:linear-gradient(135deg,var(--cyan),var(--blue));box-shadow:0 8px 20px rgba(8,105,191,.18)}.menu-toggle{display:none;border:0;background:transparent;color:var(--blue);font-weight:900;min-height:40px;padding:0}.channel-bar{background:#0f3353;color:#fff}.channel-scroll{width:min(1180px,100%);margin:auto;padding:0 14px;display:flex;gap:2px;overflow-x:auto;scrollbar-width:thin}.channel-scroll a{flex:0 0 auto;color:#d9ebf9;text-decoration:none;font-size:13px;padding:10px 9px}.channel-scroll a:hover,.channel-scroll a.is-current{background:rgba(255,255,255,.1);color:#fff}.site-main{min-height:60vh}.container{width:min(1180px,calc(100% - 32px));margin:auto}.hero-slider{width:min(1180px,calc(100% - 32px));height:300px;margin:28px auto 0;position:relative;z-index:1;background:#fff;border-radius:22px;overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line)}.hero-slide{display:none;position:absolute;inset:0}.hero-slide.is-active{display:block}.hero-slide .media{height:100%;aspect-ratio:auto;border:0;border-radius:0}.slider-prev,.slider-next{position:absolute;top:50%;transform:translateY(-50%);z-index:2;width:42px;height:42px;border:1px solid var(--line);border-radius:12px;background:rgba(255,255,255,.92);color:var(--blue);font-size:24px}.slider-prev{left:14px}.slider-next{right:14px}.slider-dots{position:absolute;left:0;right:0;bottom:14px;z-index:2;display:flex;justify-content:center;gap:8px}.slider-dot{width:22px;height:5px;border:0;border-radius:999px;padding:0;background:rgba(8,105,191,.25)}.slider-dot.is-active{background:var(--blue)}.media{position:relative;width:100%;overflow:hidden;border-radius:18px;background:#e7f1f9;aspect-ratio:16/9;border:1px solid var(--line)}.media>img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;object-position:center;display:block}.media-placeholder{position:absolute;inset:0;display:grid;place-items:center;color:#7690a7;font-size:13px}.home-intro{padding:36px 0 10px}.eyebrow{margin:0 0 8px;color:var(--blue);font-weight:900;font-size:13px;letter-spacing:.08em}.home-intro h1{font-size:clamp(32px,5vw,52px);line-height:1.12;margin:0;max-width:820px;color:#113654}.home-intro p{max-width:780px;color:var(--muted);font-size:17px;margin:14px 0 0}.home-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.home-actions a{min-height:42px;padding:8px 18px;border-radius:11px;text-decoration:none;font-weight:800}.home-actions .primary{color:#fff;background:linear-gradient(135deg,var(--cyan),var(--blue))}.home-actions .secondary{background:#fff;border:1px solid var(--line)}.spot-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:24px 0}.spot-card{display:block;background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px;text-decoration:none;box-shadow:var(--shadow)}.spot-card small{display:block;color:#7b91a5;margin-bottom:5px}.spot-card strong{display:block;color:#143a59;font-size:19px}.spot-card span{display:block;color:var(--muted);font-size:14px;margin-top:6px}.editorial-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:20px;margin:24px 0}.editorial-main,.editorial-side,.paper,.page-hero,.faq-item,.service-card{background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow)}.editorial-main,.editorial-side{padding:24px}.editorial-main h2,.editorial-side h2,.paper h2{color:#123b5d;margin:0 0 10px;line-height:1.3}.editorial-side .mini-link{display:block;padding:12px 0;border-bottom:1px dashed var(--line);text-decoration:none;font-weight:800}.editorial-side .mini-link:last-child{border-bottom:0}.split-feature{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:24px;align-items:center;margin:24px 0}.split-feature .copy{background:#fff;border:1px solid var(--line);border-radius:20px;padding:28px;box-shadow:var(--shadow)}.split-feature h2{margin-top:0;color:#123b5d}.link-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:16px}.text-link{display:inline-flex;align-items:center;min-height:38px;padding:6px 12px;border-radius:10px;background:#edf7ff;border:1px solid var(--line);text-decoration:none;font-weight:800}.article{width:min(860px,calc(100% - 32px));margin:32px auto 50px}.breadcrumb{font-size:13px;color:var(--muted);margin-bottom:12px}.breadcrumb a{text-decoration:none}.page-hero{padding:30px}.page-hero h1{font-size:clamp(29px,4vw,40px);line-height:1.18;margin:0 0 10px;color:#113a5c}.lead{font-size:17px;color:#506e88;margin:0}.paper{padding:26px 28px;margin:18px 0}.paper h2{font-size:24px}.paper h3{font-size:18px;color:#2c5778}.paper p{margin:10px 0}.note-list{padding-left:20px}.note-list li{margin:7px 0}.split{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:center}.route-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.route-card{padding:16px;border-radius:14px;background:#f5faff;border:1px solid var(--line)}.route-card strong{display:block;color:#154768;margin-bottom:5px}.quote-note{padding:18px 20px;border-left:4px solid var(--cyan);background:#f0f8ff;border-radius:0 14px 14px 0}.faq-list{display:grid;gap:14px}.faq-item{padding:21px}.faq-item h2{font-size:19px;margin:0 0 7px;color:#16476a}.faq-item p{margin:0}.service-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.service-card{padding:20px}.service-card h2{margin:0 0 8px;font-size:20px;color:#16476a}.float-tools{position:fixed;right:10px;top:34%;z-index:8000;width:50px;display:flex;flex-direction:column;gap:7px}.float-tools a,.float-tools button{min-height:46px;padding:7px 4px;background:#fff;color:var(--blue);border:1px solid var(--line);border-radius:12px;text-decoration:none;font-size:12px;line-height:1.2;text-align:center;box-shadow:0 6px 14px rgba(8,105,191,.11)}.float-tools .float-primary{background:linear-gradient(135deg,var(--cyan),var(--blue));color:#fff;border:0}.site-footer{background:#0a263f;color:#d9ebf8;padding:44px 0 18px}.footer-grid{width:min(1180px,calc(100% - 32px));margin:auto;display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:28px}.footer-brand img{height:38px;width:auto;max-width:150px;object-fit:contain;background:#fff;border-radius:9px;padding:3px}.footer-brand-text{font-weight:900;font-size:22px}.site-footer h2{font-size:15px;color:#fff;margin:0 0 10px}.site-footer a{display:block;color:#cce8fa;text-decoration:none;margin:6px 0}.footer-brand p{color:#bfd7e8}.footer-bottom{width:min(1180px,calc(100% - 32px));margin:26px auto 0;padding-top:16px;border-top:1px solid rgba(255,255,255,.12);font-size:13px}.mobile-bottom{display:none}.mobile-drawer,.drawer-mask{display:none}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:15px;border-bottom:1px solid var(--line)}.drawer-logo img{height:36px;width:auto;max-width:145px;object-fit:contain}.drawer-close{min-height:40px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--blue);font-weight:800;padding:0 12px}.drawer-auth{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:12px 15px;background:#f5faff}.drawer-auth a{min-height:40px;display:flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:10px;text-decoration:none;font-weight:800}.drawer-auth a:last-child{background:var(--blue);color:#fff}.drawer-group{padding:11px 15px;border-bottom:1px solid #eaf1f6}.drawer-group strong{display:block;color:var(--blue);font-size:12px;margin-bottom:5px}.drawer-group a{display:inline-flex;align-items:center;min-height:38px;margin-right:10px;color:var(--ink);text-decoration:none;font-size:14px}body.drawer-open{overflow:hidden}
@media(max-width:980px){.nav-core,.channel-bar{display:none}.header-inner{width:calc(100% - 20px);grid-template-columns:auto 1fr auto;min-height:64px;gap:7px}.menu-toggle{display:inline-flex;align-items:center;justify-content:center}.site-logo{justify-content:center}.site-logo img{height:32px;max-width:116px}.auth-actions{gap:5px}.auth-btn{min-width:50px;height:38px;padding:0 9px;font-size:13px}.mobile-drawer{display:block;position:fixed;inset:0 auto 0 0;width:min(86vw,330px);background:#fff;z-index:12000;transform:translateX(-105%);transition:transform .2s ease;box-shadow:18px 0 40px rgba(10,38,63,.18);overflow-y:auto}.mobile-drawer.is-open{transform:translateX(0)}.drawer-mask{display:none;position:fixed;inset:0;background:rgba(10,38,63,.42);z-index:11000;opacity:0;pointer-events:none;transition:opacity .18s ease}.drawer-mask.is-visible{display:block;opacity:1;pointer-events:auto}.float-tools{display:none}.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 var(--line);padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom a{min-height:54px;display:flex;align-items:center;justify-content:center;text-decoration:none;color:var(--blue);font-size:13px;font-weight:800}.site-main{padding-bottom:64px}.hero-slider{height:225px}.spot-grid{grid-template-columns:repeat(2,1fr)}.editorial-grid,.split-feature,.split{grid-template-columns:1fr}.route-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}.service-grid{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.header-inner{width:calc(100% - 14px);gap:4px}.menu-toggle{font-size:13px}.site-logo img{max-width:92px;height:30px}.auth-btn{min-width:44px;padding:0 7px;font-size:12px}.hero-slider{width:calc(100% - 20px);height:165px;margin-top:16px;border-radius:16px}.slider-prev,.slider-next{width:36px;height:36px}.container{width:calc(100% - 22px)}.home-intro{padding-top:24px}.home-intro p{font-size:15px}.spot-grid{gap:10px}.spot-card{padding:15px}.spot-card strong{font-size:17px}.article{width:calc(100% - 22px);margin-top:24px}.page-hero,.paper{padding:21px}.paper h2{font-size:21px}.route-grid,.service-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.site-footer{padding-bottom:78px}}