:root{
  --bg:#E6EBF2;
  --soft:#F5F7FB;
  --white:#FFFFFF;
  --line:rgba(40,156,255,.16);
  --title:#289CFF;
  --nav:#4E5F7A;
  --text:#243447;
  --muted:#66788A;
  --light:#8A9AAF;
  --footer:#243447;
  --btn:linear-gradient(180deg,#32D1F6 0%,#27B9F4 35%,#249BFF 100%);
  --shadow:0 14px 36px rgba(56,92,138,.10);
  --shadow-strong:0 18px 40px rgba(56,92,138,.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",Arial,sans-serif;line-height:1.78;overflow-x:hidden;padding-top:122px}
a{text-decoration:none;color:inherit}
img{max-width:100%;height:auto;display:block}
.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(245,247,251,.94);backdrop-filter:blur(10px);box-shadow:0 8px 24px rgba(56,92,138,.10)}
.header-inner{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:76px;padding:0 22px}
.logo img{max-height:52px;width:auto;display:block;object-fit:contain}
.nav-core{flex:1 1 auto;display:flex;justify-content:center;gap:24px;white-space:nowrap;flex-wrap:nowrap}
.nav-core a{color:var(--nav);position:relative;font-weight:700;padding:8px 6px;border-radius:999px;transition:.22s}
.nav-core a:hover,.nav-core a.active{color:var(--title);background:rgba(40,156,255,.08)}
.nav-core a.active::after{content:"";position:absolute;left:50%;bottom:-12px;width:28px;height:3px;border-radius:999px;background:var(--title);transform:translateX(-50%)}
.register-pill,.mobile-register,.main-btn{background:var(--btn);color:#fff;border-radius:999px;font-weight:800;box-shadow:0 12px 24px rgba(39,185,244,.22);white-space:nowrap;display:inline-flex;align-items:center;justify-content:center;transition:.22s}
.register-pill{padding:10px 24px;min-width:84px}
.register-pill:hover,.mobile-register:hover,.main-btn:hover{transform:translateY(-1px);box-shadow:0 16px 28px rgba(39,185,244,.30)}
.channel-bar{background:rgba(255,255,255,.78);border-top:1px solid rgba(40,156,255,.10);border-bottom:1px solid rgba(40,156,255,.10);overflow-x:auto;white-space:nowrap;scrollbar-width:none}
.channel-bar::-webkit-scrollbar{display:none}.channel-scroll{max-width:1200px;margin:0 auto;padding:10px 18px;display:flex;gap:8px}.channel-bar a{color:var(--muted);border-radius:999px;padding:8px 14px;font-size:14px;font-weight:700}.channel-bar a:hover,.channel-bar a.active{color:var(--title);background:rgba(40,156,255,.10)}
.mobile-menu-btn,.mobile-logo,.mobile-register{display:none}
.floating-service{position:fixed;right:18px;top:42%;z-index:60;display:flex;flex-direction:column;gap:9px}.floating-service a{background:#fff;color:var(--title);border:1px solid var(--line);box-shadow:0 14px 30px rgba(56,92,138,.12);border-radius:14px;padding:10px 12px;text-align:center;font-weight:800;font-size:14px}.floating-service a.register-link{background:var(--btn);color:#fff;border:0}.floating-service a:hover{transform:translateX(-2px)}
.site-main{max-width:1200px;margin:0 auto;padding:28px 18px 70px}.inner-main{padding-top:36px}.section{margin:34px 0}.compact-card,.card,.zone-card,.info-card,.review-card,.faq-item,.guide-card,.feature-card,.notice-card{background:rgba(255,255,255,.92);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:22px}.compact-card{padding:34px}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin:0 0 18px}.section-title,h1,h2,h3{color:var(--title);line-height:1.28}.section-title{font-size:28px;margin:0}h1{font-size:36px;margin:0 0 14px}h2{font-size:28px;margin:0 0 14px}h3{font-size:20px;margin:0 0 10px}.eyebrow{color:var(--title);font-weight:900;letter-spacing:.08em;margin:0 0 8px}.lead{font-size:18px;color:var(--text);max-width:920px}.muted{color:var(--muted)}.main-btn{padding:11px 24px;margin-top:10px}
.banner-slider{max-width:1200px;height:360px;margin:28px auto 36px;border-radius:22px;background:#fff;box-shadow:var(--shadow-strong);overflow:hidden;position:relative;z-index:1}.banner-slider .slide{display:none;width:100%;height:100%}.banner-slider .slide.active{display:block}.banner-slider img{width:100%;height:100%;object-fit:contain;background:#fff}.banner-caption,.banner-text,.slide-title,.slide-desc,.slide-content,.slide-card,.banner-card{display:none!important}.slider-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:3;border:0;border-radius:999px;background:rgba(255,255,255,.86);color:var(--title);box-shadow:0 8px 20px rgba(56,92,138,.16);width:42px;height:42px;font-size:24px;cursor:pointer}.slider-prev{left:16px}.slider-next{right:16px}.slider-dots{position:absolute;left:50%;bottom:14px;transform:translateX(-50%);display:flex;gap:8px;z-index:3}.slider-dots button{width:9px;height:9px;border-radius:50%;border:0;background:rgba(40,156,255,.24);cursor:pointer;padding:0}.slider-dots button.active{background:var(--title)}
.intro-split,.two-col,.image-text{display:grid;grid-template-columns:1.05fr .95fr;gap:24px;align-items:center}.intro-split .image-wrap,.image-text .image-wrap{background:#fff;border-radius:22px;padding:14px;border:1px solid var(--line);box-shadow:var(--shadow)}.intro-split img,.image-text img{width:100%;height:260px;object-fit:contain}.category-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}.guide-card{padding:18px;min-height:138px}.guide-card h3{font-size:18px}.text-link{color:var(--title);font-weight:800}.three-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.feature-card{padding:24px}.matrix-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.matrix-grid .card{padding:22px}.topic-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.zone-row{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.zone-card{padding:16px}.zone-card img{width:100%;height:170px;object-fit:contain;background:#fff;border-radius:16px;margin-bottom:12px}.app-pair{display:grid;grid-template-columns:1fr 1fr;gap:20px}.app-pair .info-card{padding:18px}.app-pair img{height:230px;object-fit:contain;width:100%;background:#fff;border-radius:18px;margin-bottom:12px}.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.review-card{padding:22px}.review-card strong{color:var(--title)}.faq-list{display:grid;grid-template-columns:1fr 1fr;gap:16px}.faq-item{padding:20px}.notice-card{padding:24px;background:linear-gradient(135deg,#fff 0%,#EEF2F7 100%)}.list{padding-left:20px;margin:12px 0}.list li{margin:8px 0}.page-hero{position:relative;overflow:hidden}.page-hero::after{content:"";position:absolute;right:-80px;top:-80px;width:230px;height:230px;background:rgba(40,156,255,.10);border-radius:50%}.page-hero>*{position:relative;z-index:1}.inner-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:20px}.content-img{width:100%;height:260px;object-fit:contain;background:#fff;border-radius:20px;border:1px solid var(--line);box-shadow:var(--shadow);padding:12px}.service-list{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.service-list .card{padding:20px}.simple-table{width:100%;border-collapse:collapse;background:#fff;border-radius:18px;overflow:hidden;box-shadow:var(--shadow)}.simple-table th,.simple-table td{border-bottom:1px solid rgba(40,156,255,.10);padding:14px;text-align:left}.simple-table th{color:var(--title);background:#F5F7FB}.site-footer{background:var(--footer);color:#EAF3FF}.footer-inner{max-width:1200px;margin:0 auto;padding:38px 18px 34px;display:grid;grid-template-columns:1.2fr 1fr 1.4fr;gap:28px}.footer-brand .logo img{max-height:48px;margin-bottom:12px}.footer-links{display:grid;grid-template-columns:1fr 1fr;gap:10px}.footer-links a{color:#EAF3FF}.footer-note{color:#D5E8FF;font-size:14px}.drawer-mask,.mobile-drawer,.mobile-bottom-nav{display:none}
@media (max-width:1024px){.category-grid{grid-template-columns:repeat(3,1fr)}.review-grid,.three-grid,.matrix-grid,.zone-row,.service-list{grid-template-columns:1fr 1fr}.floating-service{display:none}.banner-slider{height:300px}.footer-inner{grid-template-columns:1fr 1fr}.intro-split,.two-col,.image-text,.inner-grid{grid-template-columns:1fr}}
@media (max-width:760px){body{padding-top:76px;padding-bottom:72px}.site-header{min-height:76px}.header-inner{min-height:76px;padding:0 14px;gap:12px}.desktop-logo,.nav-core,.register-pill,.channel-bar{display:none}.mobile-menu-btn{display:flex;width:42px;height:42px;border:0;background:#fff;border-radius:14px;align-items:center;justify-content:center;flex-direction:column;gap:5px;box-shadow:0 8px 18px rgba(56,92,138,.10)}.mobile-menu-btn span{width:20px;height:2px;background:var(--title);border-radius:99px}.mobile-logo{display:flex;justify-content:center;flex:1}.mobile-logo img{max-height:44px}.mobile-register{display:inline-flex;padding:8px 16px;min-width:64px}.site-main{padding:18px 14px 46px}.banner-slider{height:210px;margin:18px auto 26px;border-radius:18px}.slider-arrow{width:34px;height:34px;font-size:20px}.slider-prev{left:10px}.slider-next{right:10px}.compact-card{padding:24px 18px}h1{font-size:28px}h2,.section-title{font-size:23px}.lead{font-size:16px}.category-grid,.review-grid,.three-grid,.matrix-grid,.zone-row,.service-list,.topic-grid,.app-pair,.faq-list,.footer-inner{grid-template-columns:1fr}.section-head{display:block}.intro-split img,.image-text img,.content-img{height:220px}.zone-card img{height:155px}.app-pair img{height:200px}.drawer-mask{display:block;position:fixed;inset:0;background:rgba(36,52,71,.42);z-index:9998;opacity:0;pointer-events:none;transition:.2s}.mobile-drawer{display:block;position:fixed;left:0;top:0;bottom:0;width:82vw;max-width:320px;background:#fff;z-index:10000;transform:translateX(-105%);transition:.24s ease;box-shadow:18px 0 40px rgba(36,52,71,.18);overflow-y:auto}.drawer-open .mobile-drawer{transform:translateX(0)}.drawer-open .drawer-mask{opacity:1;pointer-events:auto}.drawer-open{overflow:hidden}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px;border-bottom:1px solid rgba(40,156,255,.12)}.drawer-head img{max-height:46px}.drawer-close{width:38px;height:38px;border:0;background:#F5F7FB;color:var(--title);font-size:26px;border-radius:12px}.drawer-links{padding:12px 14px 28px;display:grid;gap:8px}.drawer-links a{padding:12px 14px;border-radius:14px;color:var(--nav);font-weight:800;background:#F5F7FB}.drawer-links a.active{color:#fff;background:var(--btn)}.mobile-bottom-nav{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;left:12px;right:12px;bottom:10px;z-index:900;background:rgba(255,255,255,.94);border:1px solid rgba(40,156,255,.16);box-shadow:0 12px 28px rgba(56,92,138,.18);border-radius:20px;overflow:hidden}.mobile-bottom-nav a{text-align:center;padding:10px 4px;color:var(--nav);font-weight:800;font-size:13px}.mobile-bottom-nav a:hover{color:var(--title);background:rgba(40,156,255,.08)}.footer-inner{padding-bottom:95px}.footer-links{grid-template-columns:1fr}.simple-table{font-size:14px}}