:root{--bg:#F3FBFF;--white:#fff;--soft:#F8FCFF;--line:#E2F4FD;--blue:#22AEEA;--deep:#147FB8;--text:#34465C;--muted:#5C6F82;--light:#8797A9;--border:rgba(34,174,234,.12);--shadow:0 16px 38px rgba(31,133,184,.12);--grad:linear-gradient(135deg,#45C9F5 0%,#22AEEA 52%,#168ED4 100%)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.75;padding-top:120px}a{text-decoration:none;color:inherit}img{max-width:100%;display:block}.shell{width:min(1180px,calc(100% - 32px));margin:auto}.site-header{position:fixed;inset:0 0 auto;z-index:100;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px}.logo{flex:0 0 auto}.logo img{max-height:52px;width:auto}.nav-core{display:flex;align-items:center;gap:22px;white-space:nowrap}.nav-core a{font-weight:600;position:relative;padding:8px 2px}.nav-core a:hover,.nav-core a.active{color:var(--blue)}.nav-core a.active:after{content:"";position:absolute;left:50%;bottom:-10px;width:22px;height:3px;border-radius:999px;background:var(--blue);transform:translateX(-50%)}.main-btn{display:inline-flex;align-items:center;justify-content:center;background:var(--grad);color:#fff;border-radius:999px;padding:11px 22px;font-weight:700;box-shadow:0 10px 22px rgba(34,174,234,.22)}.header-register{margin-left:auto;flex:0 0 auto}.channel-bar{background:#fff;border-top:1px solid rgba(34,174,234,.06);overflow-x:auto;white-space:nowrap}.channel-scroll{display:flex;gap:4px;overflow-x:auto}.channel-bar a{display:inline-flex;color:var(--muted);padding:10px 14px;border-radius:999px}.channel-bar a:hover,.channel-bar a.active{color:var(--blue);background:rgba(34,174,234,.1)}.menu-toggle{display:none;border:0;background:transparent;padding:8px}.menu-toggle span{display:block;width:24px;height:2px;background:var(--text);margin:5px 0}.floating-service{position:fixed;right:18px;top:42%;z-index:50;display:flex;flex-direction:column;gap:8px}.floating-service a{background:#fff;color:var(--text);border:1px solid var(--border);box-shadow:0 12px 30px rgba(31,133,184,.12);border-radius:999px;padding:9px 12px;font-size:14px}.floating-service .register-link{background:var(--grad);color:#fff}.section{padding:38px 0}.section.alt{background:var(--soft);border-block:1px solid rgba(34,174,234,.08)}.section-title{color:var(--blue);font-size:30px;margin:0 0 10px}.section-kicker{color:var(--deep);font-weight:700;letter-spacing:.08em;font-size:13px}.lead{font-size:18px;color:var(--muted);max-width:850px}.banner-slider{max-width:1180px;margin:24px auto 34px;border-radius:24px;background:var(--soft);box-shadow:var(--shadow);overflow:hidden;position:relative;height:320px}.slides{height:100%;display:flex;transition:transform .55s ease}.slide{min-width:100%;height:100%}.banner-slider img{width:100%;height:100%;object-fit:contain;background:var(--soft)}.banner-arrow{position:absolute;top:50%;transform:translateY(-50%);width:42px;height:42px;border:0;border-radius:50%;background:rgba(255,255,255,.9);color:var(--deep);font-size:22px;cursor:pointer}.banner-arrow.prev{left:16px}.banner-arrow.next{right:16px}.slider-dots{position:absolute;left:0;right:0;bottom:14px;display:flex;justify-content:center;gap:8px}.slider-dots button{width:9px;height:9px;border:0;border-radius:50%;background:rgba(34,70,92,.28);padding:0}.slider-dots button.active{background:var(--blue)}.intro-grid,.split,.support-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:26px;align-items:center}.quick-links{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.quick-links a,.mini-panel{background:#fff;border:1px solid var(--border);border-radius:18px;padding:18px;box-shadow:var(--shadow)}.ticker{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.ticker article{padding:16px 18px;border-left:3px solid var(--blue);background:#fff;border-radius:0 16px 16px 0}.ticker h3{margin:0 0 5px;color:var(--deep);font-size:16px}.ticker p{margin:0;color:var(--muted);font-size:14px}.dashboard{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.card,.zone-card,.info-card,.review-card{background:#fff;border:1px solid var(--border);box-shadow:var(--shadow);border-radius:20px;padding:22px}.card h3,.zone-card h3,.info-card h3{color:var(--deep);margin-top:0}.topic-image,.content-img{width:100%;height:260px;object-fit:contain;background:var(--soft);border-radius:20px}.horizontal-cards{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(220px,1fr);gap:16px;overflow-x:auto;padding:8px 2px 18px}.product-card{background:#fff;border:1px solid var(--border);border-radius:18px;overflow:hidden;box-shadow:var(--shadow)}.product-card img{width:100%;height:160px;object-fit:contain;background:var(--soft)}.product-card .pad{padding:16px}.product-card h3{margin:0;color:var(--deep)}.product-card p{margin:8px 0;color:var(--muted);font-size:14px}.matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.notice-list,.faq-list{display:grid;gap:12px}.notice-list article,.faq-list details{background:#fff;border:1px solid var(--border);border-radius:16px;padding:16px 18px}.faq-list summary{font-weight:700;color:var(--deep);cursor:pointer}.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.review-card p{margin:0}.review-card strong{display:block;color:var(--blue);margin-top:12px}.page-hero{padding:42px 0}.page-hero-inner{display:grid;grid-template-columns:1fr 420px;gap:32px;align-items:center}.page-hero img{width:100%;height:280px;object-fit:contain;background:var(--soft);border-radius:24px;box-shadow:var(--shadow)}.content-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.content-grid section{background:#fff;border:1px solid var(--border);border-radius:20px;padding:24px;box-shadow:var(--shadow)}.content-grid h2{color:var(--blue);margin-top:0}.legal-note{padding:20px;border-radius:18px;background:#eaf8ff;border:1px solid rgba(34,174,234,.2)}.site-footer{background:#163B57;color:#EAF7FE;margin-top:40px}.footer-grid{display:grid;grid-template-columns:1.4fr .7fr 1fr;gap:36px;padding:44px 0}.footer-brand img{max-height:52px;width:auto;margin-bottom:14px}.footer-grid h3{color:#fff}.footer-grid a{display:block;color:#dff4ff;margin:7px 0}.footer-grid p{color:#c9e7f7}.footer-bottom{text-align:center;padding:16px;border-top:1px solid rgba(255,255,255,.12);font-size:14px}.mobile-drawer{position:fixed;left:0;top:0;bottom:0;width:84%;max-width:320px;background:#fff;z-index:130;transform:translateX(-105%);transition:.3s;padding:18px;overflow-y:auto}.mobile-drawer.open{transform:none}.drawer-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}.drawer-head img{max-height:45px;width:auto}.drawer-head button{font-size:32px;border:0;background:transparent;color:var(--text)}.mobile-drawer nav{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}.mobile-drawer nav a{padding:10px 12px;background:var(--soft);border-radius:10px;color:var(--muted)}.drawer-overlay{position:fixed;inset:0;background:rgba(12,42,61,.45);z-index:120;opacity:0;visibility:hidden;transition:.3s}.drawer-overlay.show{opacity:1;visibility:visible}.drawer-open{overflow:hidden}.mobile-bottom-nav{display:none}
@media(max-width:900px){body{padding-top:116px}.nav-core{display:none}.menu-toggle{display:block}.header-inner{min-height:66px;gap:12px}.logo{position:absolute;left:50%;transform:translateX(-50%)}.logo img{max-height:44px}.header-register{padding:9px 16px}.floating-service{display:none}.dashboard,.ticker,.reviews,.matrix{grid-template-columns:repeat(2,1fr)}.intro-grid,.split,.support-grid,.page-hero-inner{grid-template-columns:1fr}.page-hero-inner img{height:240px}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}}
@media(max-width:640px){body{padding-top:112px;padding-bottom:70px}.shell{width:min(100% - 22px,1180px)}.channel-bar a{padding:9px 11px;font-size:13px}.banner-slider{height:190px;margin:14px 11px 22px;border-radius:16px}.banner-arrow{width:34px;height:34px}.section{padding:28px 0}.section-title{font-size:24px}.dashboard,.ticker,.reviews,.matrix,.content-grid{grid-template-columns:1fr}.quick-links{grid-template-columns:1fr 1fr}.topic-image,.content-img{height:210px}.product-card img{height:135px}.page-hero{padding:26px 0}.page-hero-inner img{height:210px}.footer-grid{grid-template-columns:1fr;padding:34px 0}.footer-brand{grid-column:auto}.mobile-bottom-nav{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;left:0;right:0;bottom:0;z-index:95;background:#fff;border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom-nav a{text-align:center;padding:12px 4px;color:var(--muted);font-size:14px}.mobile-bottom-nav a:hover{color:var(--blue)}}