: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);--border2:rgba(34,174,234,.2);--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;font-family:"Microsoft YaHei",Arial,sans-serif;background:radial-gradient(circle at 8% 5%,rgba(34,174,234,.12),transparent 26%),linear-gradient(180deg,#F3FBFF 0%,#fff 44%,#F8FCFF 100%);color:var(--text);line-height:1.75}a{text-decoration:none;color:inherit}img{max-width:100%;display:block}.container{width:min(1180px,calc(100% - 36px));margin:auto}.site-header{position:sticky;top:0;z-index:9999;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 img{max-height:52px;width:auto}.nav-core{display:flex;align-items:center;gap:22px;white-space:nowrap;flex-wrap:nowrap}.nav-core a{color:var(--text);font-weight:700;position:relative;padding:6px 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:10px 22px;font-weight:800;box-shadow:0 12px 26px rgba(34,174,234,.24);transition:.2s}.main-btn:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(34,174,234,.32)}.channel-bar{background:#fff;border-bottom:1px solid var(--border);overflow-x:auto;white-space:nowrap}.channel-scroll{display:flex;gap:6px;padding:9px 0}.channel-bar a{display:inline-flex;align-items:center;color:var(--muted);padding:8px 13px;border-radius:999px;font-size:14px}.channel-bar a:hover,.channel-bar a.active{color:var(--blue);background:rgba(34,174,234,.1)}.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-weight:700;font-size:13px}.floating-service a.register-link{background:var(--grad);color:#fff}.menu-toggle{display:none;background:transparent;border:0;width:38px;padding:8px}.menu-toggle span{display:block;height:2px;background:var(--deep);margin:6px 0;border-radius:2px}.mobile-drawer,.drawer-mask{display:none}.mobile-bottom-nav{display:none}.banner-slider{max-width:1180px;margin:24px auto 34px;border-radius:24px;background:#F8FCFF;box-shadow:var(--shadow);overflow:hidden;position:relative;height:clamp(260px,30vw,360px)}.slides,.slide{height:100%}.slide{display:none}.slide.active{display:block}.banner-slider img{width:100%;height:100%;object-fit:contain;background:#F8FCFF}.slider-prev,.slider-next{position:absolute;top:50%;transform:translateY(-50%);width:38px;height:38px;border:0;border-radius:50%;background:rgba(255,255,255,.86);color:var(--deep);font-size:24px;cursor:pointer;box-shadow:0 8px 20px rgba(31,133,184,.16)}.slider-prev{left:14px}.slider-next{right:14px}.slider-dots{position:absolute;left:0;right:0;bottom:13px;display:flex;justify-content:center;gap:8px}.slider-dot{width:9px;height:9px;border-radius:999px;border:0;background:rgba(20,127,184,.25);cursor:pointer}.slider-dot.active{width:24px;background:var(--blue)}.banner-caption,.banner-text,.slide-title,.slide-desc,.slide-content,.slide-card,.banner-card{display:none!important}.section{padding:48px 0}.section.alt{background:linear-gradient(135deg,rgba(255,255,255,.88),rgba(226,244,253,.52));border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:22px}.eyebrow{color:var(--blue);font-weight:800;letter-spacing:.08em;font-size:13px}.section-title,h1,h2,h3{color:var(--blue);line-height:1.3}h1{font-size:clamp(30px,5vw,54px);margin:10px 0 16px;color:#163B57}h2{font-size:clamp(24px,3vw,34px);margin:0 0 10px}.lead{font-size:17px;color:var(--muted);max-width:860px}.hero-intro{display:grid;grid-template-columns:1.05fr .95fr;gap:26px;align-items:center;background:rgba(255,255,255,.78);border:1px solid var(--border2);border-radius:30px;padding:34px;box-shadow:var(--shadow);position:relative;overflow:hidden}.hero-intro:before{content:"";position:absolute;inset:auto -8% -32% 44%;height:220px;background:radial-gradient(circle,rgba(34,174,234,.18),transparent 68%)}.hero-panel{position:relative}.hero-visual{background:linear-gradient(145deg,#fff,#F8FCFF);border:1px solid var(--border);border-radius:28px;padding:16px}.hero-visual img{width:100%;max-height:290px;object-fit:contain}.ticker{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.ticker-item,.board-card,.product-card,.review-card,.faq-item,.notice-card,.page-card{background:#fff;border:1px solid var(--border);box-shadow:var(--shadow);border-radius:20px;padding:20px}.ticker-item strong,.num{color:var(--blue);font-weight:900}.board{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.feature{display:grid;grid-template-columns:1fr 1.05fr;gap:28px;align-items:center}.feature.reverse{grid-template-columns:1.05fr 1fr}.feature-img{background:#fff;border:1px solid var(--border);box-shadow:var(--shadow);border-radius:24px;padding:15px}.feature-img img{width:100%;max-height:280px;object-fit:contain}.horizontal-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.product-card img{width:100%;height:150px;object-fit:contain;background:#F8FCFF;border-radius:16px;margin-bottom:12px}.matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.split{display:grid;grid-template-columns:.95fr 1.05fr;gap:24px;align-items:center}.split img{width:100%;max-height:260px;object-fit:contain;background:#fff;border-radius:22px;border:1px solid var(--border);box-shadow:var(--shadow);padding:12px}.notice-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.safe-note{background:linear-gradient(135deg,#fff,#F3FBFF);border:1px solid var(--border2);border-left:5px solid var(--blue);border-radius:20px;padding:22px;color:var(--muted)}.page-hero{padding:50px 0 28px}.page-hero-box{display:grid;grid-template-columns:1.1fr .9fr;gap:26px;align-items:center;background:#fff;border:1px solid var(--border);box-shadow:var(--shadow);border-radius:28px;padding:30px}.page-hero img{width:100%;max-height:260px;object-fit:contain;background:#F8FCFF;border-radius:20px;padding:10px}.page-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.mini-list{display:grid;gap:10px;margin:18px 0}.mini-list span{display:block;padding:12px 14px;background:#F8FCFF;border:1px solid var(--border);border-radius:14px}.site-footer{background:#163B57;color:#EAF7FE;margin-top:40px;padding:42px 0 18px}.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:32px}.footer-logo img{max-height:52px}.site-footer a{display:block;color:#EAF7FE;margin:7px 0}.site-footer p{color:rgba(234,247,254,.82)}.footer-bottom{border-top:1px solid rgba(234,247,254,.16);margin-top:26px;padding-top:16px;color:rgba(234,247,254,.78);font-size:14px}.content-img{max-width:100%;height:auto;max-height:230px;object-fit:contain}@media(max-width:920px){.container{width:min(100% - 26px,1180px)}.nav-core{display:none}.menu-toggle{display:block}.header-inner{min-height:64px;gap:10px}.logo{position:absolute;left:50%;transform:translateX(-50%)}.header-register{padding:8px 15px;font-size:14px}.floating-service{display:none}.hero-intro,.feature,.feature.reverse,.split,.page-hero-box{grid-template-columns:1fr}.ticker,.board,.horizontal-cards,.matrix,.reviews,.faq-grid,.notice-grid,.page-grid{grid-template-columns:1fr}.banner-slider{height:clamp(150px,48vw,210px);margin-top:14px;border-radius:18px}.section{padding:34px 0}.mobile-drawer{display:block;position:fixed;top:0;bottom:0;left:0;width:82%;max-width:320px;background:#fff;z-index:10001;transform:translateX(-105%);transition:.24s;box-shadow:18px 0 50px rgba(22,59,87,.18);overflow:auto}.drawer-open .mobile-drawer{transform:translateX(0)}.drawer-mask{display:block;position:fixed;inset:0;background:rgba(0,0,0,.42);z-index:10000;opacity:0;pointer-events:none;transition:.2s}.drawer-open .drawer-mask{opacity:1;pointer-events:auto}.drawer-open{overflow:hidden}.drawer-head{display:flex;align-items:center;justify-content:space-between;min-height:68px;padding:0 16px;border-bottom:1px solid var(--border)}.drawer-head .logo{position:static;transform:none}.drawer-close{border:0;background:#F3FBFF;color:var(--deep);font-size:28px;border-radius:12px;width:40px;height:40px}.drawer-links{padding:14px}.drawer-links a{display:block;padding:13px 12px;border-radius:14px;color:var(--text);font-weight:700}.drawer-links a.active,.drawer-links a:hover{background:rgba(34,174,234,.1);color:var(--blue)}.mobile-bottom-nav{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;left:0;right:0;bottom:0;z-index:9998;background:#fff;border-top:1px solid var(--border);box-shadow:0 -8px 24px rgba(31,133,184,.08)}.mobile-bottom-nav a{text-align:center;padding:9px 4px 10px;font-size:13px;color:var(--muted);font-weight:800}.mobile-bottom-nav a:before{content:"•";display:block;line-height:1;color:#C9EAF8}.mobile-bottom-nav a.active{color:var(--blue)}body{padding-bottom:58px}.section-head{display:block}.hero-intro,.page-hero-box{padding:22px}.product-card img{height:125px}.feature-img img,.split img,.page-hero img{max-height:210px}.channel-scroll{overflow-x:auto}.slider-prev,.slider-next{width:32px;height:32px;font-size:20px}}