:root{--bg:#EEF7FF;--white:#fff;--soft:#F6FBFF;--ice:#E8F4FF;--blue:#3A8FE8;--text:#243447;--muted:#66788A;--hint:#8A9AAF;--border:rgba(58,143,232,.16);--shadow:0 14px 36px rgba(62,120,180,.10)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75;overflow-x:hidden}a{color:inherit;text-decoration:none}img{display:block;max-width:100%;height:auto}button{font:inherit}.container{width:min(1200px,calc(100% - 32px));margin:auto}.site-header{position:sticky;top:0;z-index:12000;background:rgba(255,255,255,.78);backdrop-filter:blur(12px);box-shadow:0 8px 28px rgba(58,143,232,.10)}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:76px}.logo{flex:0 0 auto}.logo img{max-height:52px;width:auto}.nav-core{flex:1 1 auto;display:flex;justify-content:center;gap:22px;white-space:nowrap;flex-wrap:nowrap}.nav-core a{color:#5F6F95;font-weight:700;padding:10px 0}.nav-core a:hover,.nav-core a.active{color:var(--blue)}.header-action{flex:0 0 auto;display:flex;align-items:center;gap:12px;z-index:3}.all-menu-btn{border:1px solid rgba(58,143,232,.18);background:rgba(255,255,255,.74);color:var(--blue);border-radius:999px;padding:10px 16px;cursor:pointer}.main-btn{display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(180deg,#67C5FF 0%,#3698F2 45%,#1F79D8 100%);color:#fff;border-radius:999px;padding:11px 22px;font-weight:800;box-shadow:0 10px 24px rgba(31,121,216,.22)}.mobile-menu-btn{display:none;border:0;background:transparent;padding:10px;z-index:3}.mobile-menu-btn span{display:block;width:24px;height:2px;background:#3A8FE8;margin:5px 0}.mega-overlay,.drawer-overlay{position:fixed;inset:0;background:rgba(36,52,71,.26);opacity:0;visibility:hidden;transition:.25s;z-index:9998}.mega-overlay.open,.drawer-overlay.open{opacity:1;visibility:visible}.mega-panel{position:fixed;top:86px;left:50%;transform:translate(-50%,-12px);width:min(1120px,calc(100% - 32px));background:rgba(255,255,255,.96);border:1px solid var(--border);border-radius:24px;box-shadow:0 24px 60px rgba(62,120,180,.16);z-index:10000;opacity:0;visibility:hidden;transition:.25s;padding:20px}.mega-panel.open{opacity:1;visibility:visible;transform:translate(-50%,0)}.mega-head{display:flex;justify-content:space-between;align-items:center;padding:0 6px 14px}.mega-head strong{color:var(--blue);font-size:22px}.mega-head button,.drawer-head button{border:0;background:var(--ice);color:var(--blue);width:38px;height:38px;border-radius:50%;font-size:26px;cursor:pointer}.mega-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.mega-group{background:var(--soft);border:1px solid var(--border);border-radius:18px;padding:16px}.mega-group h3{margin:0 0 10px;color:var(--blue)}.mega-group a{display:block;padding:10px;border-radius:12px}.mega-group a:hover{background:#fff}.mega-group b,.mega-group span{display:block}.mega-group span{font-size:13px;color:var(--muted)}.mobile-drawer{position:fixed;top:0;bottom:0;left:0;width:min(84vw,320px);background:#fff;z-index:13000;transform:translateX(-105%);transition:.28s;box-shadow:18px 0 50px rgba(36,52,71,.16);overflow:auto}.mobile-drawer.open{transform:none}.drawer-head{position:sticky;top:0;background:#fff;display:flex;align-items:center;justify-content:space-between;padding:18px;border-bottom:1px solid var(--border)}.drawer-head img{max-height:42px;width:auto}.mobile-drawer nav{padding:12px}.mobile-drawer nav a{display:block;padding:13px 12px;border-bottom:1px solid #edf4fb;color:#4f6483}.menu-open{overflow:hidden}.banner-slider{max-width:1200px;margin:28px auto 36px;border-radius:22px;background:#fff;box-shadow:0 18px 40px rgba(62,120,180,.12);overflow:hidden;position:relative}.slides{position:relative}.slide{display:none}.slide.active{display:block}.banner-slider img{width:100%;height:auto;object-fit:contain;background:#fff}.slider-btn{position:absolute;top:50%;transform:translateY(-50%);border:0;width:44px;height:44px;border-radius:50%;background:rgba(255,255,255,.88);color:var(--blue);font-size:28px;cursor:pointer;box-shadow:0 8px 20px rgba(36,52,71,.12)}.slider-btn.prev{left:16px}.slider-btn.next{right:16px}.dots{position:absolute;left:0;right:0;bottom:14px;display:flex;justify-content:center;gap:9px}.dot{width:10px;height:10px;border-radius:50%;border:0;background:rgba(255,255,255,.7);cursor:pointer}.dot.active{background:var(--blue)}.section{padding:58px 0}.section.alt{background:rgba(255,255,255,.42)}.section-head{max-width:780px;margin-bottom:24px}.section-kicker{color:var(--blue);font-weight:800;font-size:14px;letter-spacing:.08em}.section h1,.section h2,.section h3,.section-title{color:var(--blue);line-height:1.3}.section h1{font-size:clamp(34px,5vw,56px);margin:10px 0 16px}.section h2{font-size:clamp(26px,3.4vw,38px);margin:8px 0 14px}.lead{font-size:18px;color:var(--muted)}.hero-grid,.split{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center}.content-img{border-radius:24px;box-shadow:var(--shadow);background:#fff}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.card,.zone-card,.info-card,.review-card{background:rgba(255,255,255,.94);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:20px;padding:22px}.card h3,.zone-card h3,.info-card h3{margin-top:0}.zone-card img{border-radius:14px;margin-bottom:16px}.tag{display:inline-block;color:var(--blue);background:var(--ice);padding:5px 10px;border-radius:999px;font-size:13px;font-weight:700}.quick-links{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}.quick-links a{background:#fff;border:1px solid var(--border);padding:10px 14px;border-radius:999px;color:#4f6483}.list{padding-left:20px}.list li{margin:8px 0}.review-card p{margin:0}.review-card strong{display:block;color:var(--blue);margin-bottom:8px}.faq-list details{background:#fff;border:1px solid var(--border);border-radius:16px;padding:16px 18px;margin:12px 0}.faq-list summary{cursor:pointer;font-weight:800;color:var(--blue)}.notice{background:#DDEEFF;border:1px solid rgba(58,143,232,.22);border-radius:20px;padding:24px}.page-hero{padding:64px 0 34px}.page-hero .hero-grid{background:rgba(255,255,255,.76);border:1px solid var(--border);border-radius:26px;padding:34px;box-shadow:var(--shadow)}footer{background:#243447;color:#EAF3FF;padding:54px 0 0}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:28px}.footer-brand img{max-height:48px;width:auto;margin-bottom:16px}.footer-grid h3{margin-top:0;color:#fff}.footer-grid a{display:block;color:#cfe4fa;margin:7px 0}.footer-grid p{color:#c8d8e8}.footer-bottom{margin-top:36px;padding:18px;text-align:center;border-top:1px solid rgba(255,255,255,.12);color:#b7cadd;font-size:14px}
@media(max-width:900px){.nav-core,.all-menu-btn{display:none}.mobile-menu-btn{display:block}.header-inner{position:relative;display:grid;grid-template-columns:72px 1fr 72px;gap:0}.logo{position:absolute;left:50%;transform:translateX(-50%);z-index:1}.header-action{grid-column:3;justify-content:flex-end}.register-btn{padding:9px 15px}.mega-panel{display:none}.hero-grid,.split{grid-template-columns:1fr}.grid-4{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:1fr}.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.container{width:min(100% - 24px,1200px)}.header-inner{min-height:68px;grid-template-columns:64px 1fr 64px}.logo img{max-height:40px;max-width:116px}.register-btn{padding:8px 13px;font-size:14px}.banner-slider{margin:16px 12px 26px;border-radius:16px}.slider-btn{width:36px;height:36px}.section{padding:42px 0}.page-hero{padding:38px 0 18px}.page-hero .hero-grid{padding:22px}.grid-2,.grid-4{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.card,.zone-card,.info-card,.review-card{padding:18px}.section h1{font-size:34px}.section h2{font-size:28px}}