:root{--blue:#22AEEA;--deep:#147FB8;--bg:#F3FBFF;--text:#1F2D3A;--muted:#5C6F82;--line:rgba(34,174,234,.16);--shadow:0 14px 36px rgba(34,174,234,.12)}*{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;overflow-x:hidden}a{text-decoration:none;color:inherit}img{display:block;max-width:100%}.container{width:min(1180px,calc(100% - 32px));margin:auto}.site-header{position:sticky;top:0;z-index:9999;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);box-shadow:0 8px 24px rgba(34,174,234,.1)}.desktop-header{height:78px;display:flex;align-items:center;gap:28px}.logo-link img,.mobile-logo img{width:150px;max-height:52px;object-fit:contain}.nav-core{display:flex;gap:10px;flex:1;justify-content:center;white-space:nowrap}.nav-core a,.panel-trigger{border:0;color:var(--deep);background:rgba(34,174,234,.08);padding:10px 18px;border-radius:999px;font-weight:700;cursor:pointer}.nav-core a:hover,.nav-core a.active,.panel-trigger:hover{color:var(--blue);background:linear-gradient(135deg,rgba(109,230,255,.24),rgba(34,174,234,.12))}.header-actions{display:flex;align-items:center;gap:10px;white-space:nowrap}.main-btn{display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#6DE6FF 0%,#22AEEA 48%,#168DCC 100%);color:#fff;padding:11px 24px;border-radius:999px;font-weight:800;box-shadow:0 10px 24px rgba(34,174,234,.24);transition:.25s}.main-btn:hover{transform:translateY(-2px)}.mobile-header{display:none;height:68px;align-items:center;justify-content:space-between}.menu-trigger{width:42px;height:42px;border:1px solid var(--line);border-radius:12px;background:#fff;padding:10px}.menu-trigger span{display:block;height:2px;background:var(--deep);margin:5px 0}.mobile-register{padding:8px 15px}.overlay{position:fixed;inset:0;background:rgba(11,61,92,.34);opacity:0;pointer-events:none;z-index:9998;transition:.25s}.overlay.open{opacity:1;pointer-events:auto}.category-panel,.mobile-drawer{position:fixed;top:0;bottom:0;background:#fff;z-index:10000;box-shadow:0 18px 48px rgba(34,174,234,.16);transition:.3s;overflow:auto}.category-panel{right:0;width:min(470px,92vw);transform:translateX(105%);padding:24px}.category-panel.open{transform:translateX(0)}.mobile-drawer{left:0;width:min(84vw,320px);transform:translateX(-105%);padding:20px}.mobile-drawer.open{transform:translateX(0)}.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.drawer-head strong{font-size:24px;color:var(--blue)}.drawer-head img{width:140px}.drawer-head button{border:0;background:#EAF8FF;color:var(--deep);font-size:28px;width:42px;height:42px;border-radius:50%;cursor:pointer}.panel-groups{display:grid;gap:22px}.panel-groups h3{margin:0 0 8px;color:var(--blue)}.panel-groups a{display:block;padding:10px 12px;border-radius:12px}.panel-groups a:hover{background:#EAF8FF;color:var(--blue)}.panel-groups small{display:block;color:#8BA1B5}.mobile-drawer nav{display:grid;grid-template-columns:1fr 1fr;gap:8px}.mobile-drawer nav a{padding:10px;border-radius:10px;background:#F7FCFF;color:var(--deep)}.mobile-drawer nav a.active{background:#EAF8FF;color:var(--blue)}.menu-open{overflow:hidden}.hero-section{padding:74px 0 38px;background:radial-gradient(circle at 12% 20%,rgba(109,230,255,.24) 0%,rgba(109,230,255,0) 30%),radial-gradient(circle at 86% 18%,rgba(34,174,234,.18) 0%,rgba(34,174,234,0) 30%),linear-gradient(135deg,#fff 0%,#F3FBFF 52%,#EAF8FF 100%)}.hero-grid,.split-grid,.app-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:30px;align-items:center}.section-kicker,.tag,.label,.num,.badge{color:var(--blue);font-weight:800}h1,h2,h3,.section-title{color:var(--blue);line-height:1.3}h1{font-size:clamp(34px,5vw,58px);margin:14px 0 20px}h2{font-size:clamp(26px,3.4vw,38px)}p{color:var(--muted)}.hero-copy p{font-size:17px}.hero-visual{background:#fff;border:1px solid var(--line);border-radius:28px;padding:22px;box-shadow:var(--shadow)}.hero-visual img{width:100%;height:320px;object-fit:contain}.service-mini,.board-grid,.zone-grid,.review-grid,.faq-grid{display:grid;gap:18px}.service-mini{grid-template-columns:repeat(4,1fr);margin-top:28px}.card,.zone-card,.info-card,.review-card,.faq-item,.content-panel{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:22px;padding:24px}.section{padding:62px 0}.quick-scroll{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.quick-pill{background:rgba(255,255,255,.88);border:1px solid var(--line);border-radius:18px;padding:16px;min-width:220px}.summary-strip{background:linear-gradient(135deg,#fff,#EAF8FF);border:1px solid var(--line);border-radius:22px;padding:26px}.board-grid{grid-template-columns:repeat(4,1fr)}.split-grid{align-items:stretch}.content-panel img,.zone-card img,.app-section img,.content-img{width:100%;height:220px;object-fit:contain;border-radius:16px;background:#F7FCFF}.zone-grid{grid-template-columns:repeat(3,1fr)}.app-section{background:#fff;border:1px solid var(--line);border-radius:28px;padding:30px;box-shadow:var(--shadow)}.review-grid{grid-template-columns:repeat(3,1fr)}.faq-grid{grid-template-columns:1fr 1fr}.text-link{color:var(--blue);font-weight:800}.list{padding-left:20px;color:var(--muted)}.page-hero{padding:60px 0 30px}.page-hero .content-panel{display:grid;grid-template-columns:1fr .8fr;gap:28px;align-items:center}.article-grid{display:grid;grid-template-columns:2fr 1fr;gap:24px}.article-main,.article-side{display:grid;gap:20px}.notice{background:#EAF8FF;border-left:4px solid var(--blue);padding:18px 20px;border-radius:14px;color:var(--muted)}.site-footer{background:#0B3D5C;color:#EAF8FF;margin-top:50px;padding:48px 0 0}.site-footer p,.site-footer a{color:#EAF8FF}.footer-grid{display:grid;grid-template-columns:1.4fr .7fr 1fr;gap:38px}.footer-grid>div:nth-child(2){display:grid;align-content:start;gap:8px}.footer-logo{width:150px;max-height:54px;object-fit:contain;margin-bottom:16px}.footer-bottom{text-align:center;border-top:1px solid rgba(234,248,255,.16);padding:18px;margin-top:28px}.mobile-bottom{display:none}.install-steps{counter-reset:step;display:grid;gap:16px}.install-steps .step{counter-increment:step;background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px 20px 20px 64px;position:relative}.install-steps .step:before{content:counter(step);position:absolute;left:18px;top:18px;width:32px;height:32px;border-radius:50%;display:grid;place-items:center;background:#EAF8FF;color:var(--blue);font-weight:800}@media(max-width:900px){.desktop-header{display:none}.mobile-header{display:flex}.hero-grid,.split-grid,.app-grid,.page-hero .content-panel,.article-grid{grid-template-columns:1fr}.service-mini,.board-grid{grid-template-columns:repeat(2,1fr)}.quick-scroll{display:flex;overflow-x:auto;padding-bottom:8px}.zone-grid,.review-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}.mobile-bottom{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:9990;background:#fff;border-top:1px solid var(--line);justify-content:space-around;padding:10px 6px}.mobile-bottom a{color:var(--deep);font-weight:700}.site-footer{padding-bottom:58px}}@media(max-width:620px){.container{width:min(100% - 22px,1180px)}.hero-section{padding-top:42px}.hero-visual img{height:240px}.service-mini,.board-grid,.zone-grid,.review-grid,.faq-grid,.footer-grid{grid-template-columns:1fr}.section{padding:42px 0}.card,.zone-card,.info-card,.review-card,.faq-item,.content-panel{padding:20px}.page-hero{padding-top:36px}.mobile-drawer nav{grid-template-columns:1fr 1fr}}