:root{
    --bg:#EEF6FA;
    --nav:#08263A;
    --title:#0A3B5A;
    --blue:#0E88C8;
    --deep:#075C91;
    --cyan:#18D4C6;
    --silver:#F8FBFD;
    --text:#1F2D38;
    --sub:#5E7080;
    --muted:#8A9AA8;
    --footer:#061B2B;
    --line:rgba(14,136,200,0.14);
    --shadow:0 14px 36px rgba(7,92,145,0.10);
    --grad:linear-gradient(135deg,#0E88C8 0%,#075C91 52%,#18D4C6 100%);
}
*{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",Arial,sans-serif;line-height:1.75;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
button{font:inherit;cursor:pointer}
.site-header{position:fixed;top:0;left:0;right:0;background:var(--nav);box-shadow:0 8px 24px rgba(7,92,145,0.18);z-index:9000}
.header-inner{max-width:1200px;margin:0 auto;height:70px;padding:0 20px;display:flex;align-items:center;gap:24px;white-space:nowrap}
.site-logo,.footer-logo{color:var(--cyan);font-weight:800;letter-spacing:1px;font-size:28px;line-height:1}
.nav-core{display:flex;align-items:center;gap:10px;flex:1;justify-content:center;min-width:0}
.nav-core a{color:#EAF6FC;background:rgba(255,255,255,0.08);border-radius:999px;padding:8px 16px;font-size:15px;transition:.2s ease}
.nav-core a:hover,.nav-core a.active{color:var(--cyan);background:rgba(24,212,198,0.12);box-shadow:inset 0 -2px 0 var(--cyan)}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.quick-service{border:1px solid rgba(24,212,198,.45);background:rgba(24,212,198,.08);color:#EAF6FC;border-radius:999px;padding:8px 16px}
.quick-service:hover{color:var(--cyan);box-shadow:0 8px 20px rgba(24,212,198,.14)}
.main-btn{display:inline-flex;align-items:center;justify-content:center;background:var(--grad);color:#fff;border-radius:999px;box-shadow:0 10px 24px rgba(7,92,145,0.18);font-weight:700;padding:9px 22px;border:0;transition:.2s ease}
.main-btn:hover{transform:translateY(-1px)}
.register-btn{min-width:78px}
.mobile-menu-btn{display:none;width:42px;height:42px;border:0;background:transparent;align-items:center;justify-content:center;flex-direction:column;gap:5px;padding:0}
.mobile-menu-btn span{width:22px;height:2px;background:#EAF6FC;border-radius:999px}
.channel-wrap{position:fixed;top:70px;left:0;right:0;background:rgba(238,246,250,.94);backdrop-filter:blur(12px);z-index:8500;border-bottom:1px solid rgba(14,136,200,.10)}
.channel-strip{max-width:1200px;margin:0 auto;height:54px;display:flex;align-items:center;gap:10px;padding:0 20px;overflow:hidden}
.channel-strip a{color:var(--title);background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 17px;font-size:14px;transition:.2s ease}
.channel-strip a:hover,.channel-strip a.active{color:var(--blue);border-color:rgba(24,212,198,0.55);box-shadow:0 8px 18px rgba(7,92,145,0.10);background:#E9FFFC}
.site-main{padding-top:124px;min-height:70vh}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.section{margin:34px auto}
.section.tight{margin:22px auto}
.section-head{margin-bottom:18px;display:flex;align-items:flex-end;justify-content:space-between;gap:18px}
.section-kicker{color:var(--blue);font-weight:800;font-size:14px;letter-spacing:.08em}
h1,h2,h3,.section-title{color:var(--title);line-height:1.25;margin:0 0 12px}
h1{font-size:42px;letter-spacing:.02em}
h2{font-size:28px}
h3{font-size:21px}
p{margin:0 0 12px}.lead{font-size:18px;color:var(--sub)}.muted{color:var(--muted)}
.text-link{color:var(--blue);font-weight:700}.text-link:hover{color:var(--deep)}
.banner-slider{max-width:1200px;height:390px;margin:28px auto 36px;border-radius:24px;background:#fff;box-shadow:0 16px 38px rgba(7,92,145,0.12);overflow:hidden;position:relative;z-index:1}
.banner-slider .slide{display:none;width:100%;height:100%;position:relative;background:#fff}
.banner-slider .slide.active{display:block}
.banner-slider img{width:100%;height:100%;object-fit:contain;background:#fff}
.slide-caption{position:absolute;left:34px;bottom:34px;max-width:440px;background:rgba(6,27,43,.72);color:#EAF6FC;border:1px solid rgba(24,212,198,.3);border-radius:18px;padding:18px 22px;backdrop-filter:blur(8px)}
.slide-caption strong{display:block;font-size:24px;color:#fff;margin-bottom:5px}.slide-caption span{font-size:15px;color:#EAF6FC}
.slider-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:3;border:none;border-radius:999px;background:rgba(255,255,255,0.88);color:var(--blue);box-shadow:0 8px 20px rgba(7,92,145,0.16);width:42px;height:42px;font-size:26px;line-height:1}
.slider-prev{left:18px}.slider-next{right:18px}
.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:none;background:rgba(14,136,200,0.26);padding:0}
.slider-dots button.active{background:var(--cyan)}
.hero-card,.card,.zone-card,.info-card,.review-card,.faq-card,.notice-card{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:22px}
.hero-card{padding:34px}.card,.info-card,.review-card,.faq-card,.notice-card{padding:24px}
.card-grid{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}.grid-5{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.service-guide{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:center}
.content-img,.zone-card img,.app-section img{max-width:100%;height:auto;object-fit:contain;background:#F8FBFD;border-radius:18px;border:1px solid rgba(14,136,200,.10)}
.guide-img{max-height:300px;margin:auto;padding:8px}.zone-card{overflow:hidden}.zone-card img{width:100%;height:210px;padding:8px}.zone-body{padding:22px}.zone-body ul,.rich-list{padding-left:20px;margin:8px 0 14px}.zone-body li,.rich-list li{margin:4px 0;color:var(--sub)}
.quick-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}.quick-item{padding:20px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:0 10px 24px rgba(7,92,145,.07)}.quick-item h3{font-size:18px;margin-bottom:8px}.quick-item p{font-size:14px;color:var(--sub);min-height:50px}.quick-item a{color:var(--blue);font-weight:700;font-size:14px}
.summary-card{background:linear-gradient(180deg,#fff,#E8F4FA);border:1px solid var(--line);border-radius:24px;padding:28px;box-shadow:var(--shadow)}
.info-card .num{display:inline-flex;width:34px;height:34px;border-radius:999px;align-items:center;justify-content:center;background:#E9FFFC;color:var(--blue);font-weight:800;margin-bottom:10px}
.split-band{display:grid;grid-template-columns:1fr 1fr;gap:22px}.horizontal-card{display:grid;grid-template-columns:.9fr 1.1fr;gap:24px;align-items:center;padding:24px}.horizontal-card.reverse{grid-template-columns:1.1fr .9fr}
.wall-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.review-card strong{color:var(--title)}
.page-hero{background:linear-gradient(135deg,#fff 0%,#E8F4FA 62%,#E9FFFC 100%);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:26px;padding:42px;margin-top:28px;display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:center}
.page-hero.no-img{display:block}.page-hero img{max-height:320px;margin:auto;padding:8px;border-radius:20px;background:#fff;border:1px solid rgba(14,136,200,.12)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:16px 0}.tag,.label,.badge{display:inline-flex;align-items:center;gap:6px;color:var(--blue);background:#E9FFFC;border:1px solid rgba(24,212,198,.38);border-radius:999px;padding:6px 12px;font-size:13px;font-weight:700}
.content-panel{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:24px;padding:30px}.content-panel + .content-panel{margin-top:22px}.content-panel p{color:var(--sub)}
.feature-list{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:18px}.feature-list div{background:#F8FBFD;border:1px solid rgba(14,136,200,.12);border-radius:18px;padding:18px}.feature-list strong{display:block;color:var(--title);margin-bottom:6px}
.step-list{counter-reset:item;display:grid;gap:14px}.step-list div{position:relative;background:#F8FBFD;border:1px solid rgba(14,136,200,.12);border-radius:18px;padding:18px 18px 18px 58px}.step-list div:before{counter-increment:item;content:counter(item);position:absolute;left:18px;top:20px;width:28px;height:28px;border-radius:50%;background:#E9FFFC;color:var(--blue);font-weight:800;text-align:center;line-height:28px}
.notice-card{background:#061B2B;color:#EAF6FC;border:0}.notice-card h2,.notice-card h3{color:#fff}.notice-card p{color:#EAF6FC}.notice-card a{color:#18D4C6;font-weight:700}
.site-footer{background:var(--footer);color:#EAF6FC;margin-top:54px}.footer-inner{max-width:1200px;margin:0 auto;padding:42px 20px;display:grid;grid-template-columns:1.2fr 1fr 1.2fr;gap:28px}.footer-brand p,.footer-note p{color:#CDE6F2}.footer-links{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.footer-links a{color:#EAF6FC}.footer-links a:hover{color:var(--cyan)}
.overlay{position:fixed;inset:0;background:rgba(2,14,23,.45);z-index:9800}.category-panel{position:fixed;right:0;top:0;height:100vh;width:min(430px,92vw);background:#fff;box-shadow:0 18px 48px rgba(7,92,145,0.16);z-index:10000;transform:translateX(104%);transition:.25s ease;padding:24px;overflow:auto}.category-panel.open{transform:translateX(0)}.panel-head,.drawer-head{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;margin-bottom:18px}.panel-head strong,.drawer-head strong{font-size:24px;color:var(--title)}.panel-head span{display:block;color:var(--sub);font-size:13px}.panel-close,.drawer-close{border:0;background:#E8F4FA;color:var(--title);width:36px;height:36px;border-radius:50%;font-size:24px;line-height:1}
.service-group{border-top:1px solid rgba(14,136,200,.12);padding:18px 0}.service-group h3{font-size:17px;margin-bottom:12px}.service-links{display:grid;grid-template-columns:1fr 1fr;gap:10px}.service-links a{background:#F8FBFD;border:1px solid rgba(14,136,200,.12);border-radius:16px;padding:12px;transition:.2s}.service-links a:hover{border-color:rgba(24,212,198,.55);color:var(--blue)}.service-links b{display:block;color:var(--title)}.service-links span{display:block;color:var(--sub);font-size:12px;margin-top:3px}
.mobile-drawer{position:fixed;left:0;top:0;height:100vh;width:84vw;max-width:320px;background:#fff;z-index:10000;transform:translateX(-104%);transition:.25s ease;padding:22px;overflow:auto}.mobile-drawer.open{transform:translateX(0)}.drawer-nav{display:grid;gap:8px}.drawer-nav a{padding:11px 12px;border-radius:14px;color:var(--title);background:#F8FBFD;border:1px solid rgba(14,136,200,.10)}.drawer-nav a.active{color:var(--blue);background:#E9FFFC;border-color:rgba(24,212,198,.48)}.no-scroll{overflow:hidden}
.mobile-bottom-nav{display:none}
@media (max-width:1024px){
    .header-inner{gap:14px}.nav-core a{padding:8px 12px}.quick-grid{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(2,1fr)}.grid-5{grid-template-columns:repeat(3,1fr)}.banner-slider{height:310px}.page-hero{grid-template-columns:1fr}.footer-inner{grid-template-columns:1fr 1fr}.wall-3,.review-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:760px){
    body{padding-bottom:72px}.site-main{padding-top:70px}.site-header{height:64px}.header-inner{height:64px;justify-content:space-between;padding:0 14px}.mobile-menu-btn{display:flex}.site-logo{font-size:25px;position:absolute;left:50%;transform:translateX(-50%)}.nav-core,.quick-service,.channel-wrap{display:none}.header-actions{margin-left:0}.register-btn{padding:8px 16px;min-width:auto}.banner-slider{height:210px;margin:18px 14px 28px;border-radius:18px}.slide-caption{left:14px;right:14px;bottom:14px;padding:10px 12px;border-radius:14px}.slide-caption strong{font-size:17px}.slide-caption span{font-size:12px}.slider-arrow{width:34px;height:34px;font-size:22px}.slider-prev{left:10px}.slider-next{right:10px}.container{padding:0 14px}.section{margin:26px auto}.hero-card,.card,.info-card,.review-card,.faq-card,.notice-card,.content-panel{padding:20px;border-radius:18px}h1{font-size:31px}h2{font-size:24px}h3{font-size:19px}.lead{font-size:16px}.service-guide,.grid-2,.split-band,.horizontal-card,.horizontal-card.reverse,.page-hero{grid-template-columns:1fr}.card-grid,.quick-grid,.wall-3,.review-grid,.faq-grid,.feature-list,.grid-4,.grid-5{grid-template-columns:1fr}.zone-card img{height:170px}.page-hero{padding:24px;margin-top:18px}.page-hero img{max-height:230px}.section-head{display:block}.service-links{grid-template-columns:1fr}.footer-inner{grid-template-columns:1fr;padding-bottom:88px}.footer-links{grid-template-columns:1fr 1fr}.mobile-bottom-nav{position:fixed;left:0;right:0;bottom:0;height:62px;background:#fff;border-top:1px solid rgba(14,136,200,.14);box-shadow:0 -10px 24px rgba(7,92,145,.10);z-index:8500;display:grid;grid-template-columns:repeat(4,1fr)}.mobile-bottom-nav a{display:flex;align-items:center;justify-content:center;color:var(--title);font-weight:700}.mobile-bottom-nav a:hover{color:var(--blue)}
}
@media (max-width:420px){.banner-slider{height:185px}.quick-item p{min-height:auto}.footer-links{grid-template-columns:1fr}}