:root{
    --main-bg:#D8F7FF;
    --body-bg:#F0F3FA;
    --nav-bg:#EAFBFF;
    --soft-bg:#F5FDFF;
    --white:#FFFFFF;
    --pale:#C8F0FF;
    --primary:#27A9E8;
    --nav:#167BB8;
    --text:#1D2B36;
    --muted:#5D7280;
    --light-text:#8194A0;
    --footer:#063B5C;
    --footer-text:#EAFBFF;
    --line:rgba(39,169,232,0.22);
    --shadow:0 14px 36px rgba(16,126,180,0.14);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--main-bg)}
body{margin:0;font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;background-color:var(--body-bg);background-image:linear-gradient(180deg,#D8F7FF 0%,#EAFBFF 44%,#F0F3FA 100%);color:var(--text);line-height:1.75;overflow-x:hidden}
a{color:var(--primary);text-decoration:none;transition:.2s ease}
a:hover{color:#1597D8}
img{max-width:100%;height:auto;display:block}
.wrap{width:min(1200px,calc(100% - 32px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:9999;background:#EAFBFF;backdrop-filter:blur(10px);box-shadow:0 8px 24px rgba(16,126,180,0.14)}
.desktop-header{height:76px;display:flex;align-items:center;gap:22px}
.logo img{height:46px;width:auto;object-fit:contain}
.nav{flex:1;display:flex;align-items:center;justify-content:center;gap:6px;white-space:nowrap}
.nav a{color:#167BB8;font-size:15px;font-weight:700;padding:11px 10px;border-radius:12px;position:relative}
.nav a.active,.nav a:hover{color:#27A9E8;background:linear-gradient(180deg,rgba(39,169,232,0.14),rgba(39,169,232,0.04));box-shadow:inset 0 -2px 0 #27A9E8,0 10px 22px rgba(39,169,232,0.16)}
.main-btn{display:inline-flex;align-items:center;justify-content:center;border:0;background:linear-gradient(180deg,#52C8FF 0%,#27A9E8 55%,#168BD0 100%);color:#FFFFFF!important;border-radius:999px;box-shadow:0 10px 24px rgba(39,169,232,0.28);font-weight:800;letter-spacing:.04em;padding:10px 23px;min-height:42px;cursor:pointer;white-space:nowrap}
.main-btn:hover{background:linear-gradient(180deg,#63D2FF 0%,#1597D8 100%);transform:translateY(-1px);color:#FFFFFF!important}
.mobile-top{display:none;height:64px;align-items:center;justify-content:space-between;padding:0 14px;background:#EAFBFF}
.menu-toggle{width:42px;height:42px;border:1px solid rgba(39,169,232,.22);background:#F5FDFF;border-radius:12px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;box-shadow:0 8px 18px rgba(16,126,180,.12)}
.menu-toggle span{width:20px;height:2px;background:#167BB8;border-radius:99px}
.mobile-logo{position:absolute;left:50%;transform:translateX(-50%)}
.mobile-logo img{height:40px}.mobile-register{padding:8px 17px;min-height:38px}
.drawer-mask{position:fixed;inset:0;background:rgba(0,0,0,.38);opacity:0;visibility:hidden;z-index:10000;transition:.25s ease}
.drawer-mask.show{opacity:1;visibility:visible}.mobile-drawer{position:fixed;z-index:10001;left:0;top:0;width:84vw;max-width:320px;height:100vh;background:#F5FDFF;box-shadow:20px 0 44px rgba(6,59,92,.2);transform:translateX(-105%);transition:.28s ease;display:flex;flex-direction:column}
.mobile-drawer.open{transform:translateX(0)}.drawer-open{overflow:hidden}.drawer-head{height:72px;display:flex;align-items:center;justify-content:space-between;padding:0 18px;border-bottom:1px solid rgba(39,169,232,.16)}
.drawer-head .logo img{height:42px}.drawer-close{width:38px;height:38px;border:0;border-radius:50%;background:#EAFBFF;color:#167BB8;font-size:28px;line-height:1;cursor:pointer}.drawer-nav{display:grid;padding:14px;gap:8px;overflow:auto}.drawer-nav a{padding:12px 14px;border-radius:13px;color:#167BB8;font-weight:800;background:#fff;border:1px solid rgba(39,169,232,.12)}.drawer-nav a.active{color:#27A9E8;box-shadow:inset 3px 0 0 #27A9E8;background:#EAFBFF}
.site-main{min-height:60vh;padding-bottom:54px}
h1,h2,h3,.section-title{color:#27A9E8;margin:0 0 14px;line-height:1.25}p{margin:0 0 14px}.eyebrow{display:inline-flex;align-items:center;color:#27A9E8;background:rgba(39,169,232,.1);border:1px solid rgba(39,169,232,.18);border-radius:999px;padding:4px 12px;font-weight:800;font-size:14px;margin-bottom:12px}.lead{color:#5D7280;font-size:18px;max-width:820px}.text-link{font-weight:800;color:#27A9E8}.text-link:after{content:" →"}.section{padding:42px 0}.section-head{margin-bottom:24px}.section-head.center{text-align:center}.section-head.center .lead{margin:0 auto}.card,.zone-card,.info-card,.review-card,.faq-item,.feature-card,.notice-card{background:rgba(255,255,255,0.88);border:1px solid rgba(39,169,232,0.22);box-shadow:0 14px 36px rgba(16,126,180,0.12);border-radius:22px}.card{padding:26px}.banner-slider{max-width:1200px;margin:28px auto 36px;border-radius:20px;background:#F5FDFF;box-shadow:0 18px 40px rgba(16,126,180,0.14);overflow:hidden;position:relative;min-height:430px}.slide{display:none;position:relative;min-height:430px;background:#F5FDFF}.slide.active{display:block}.slide img{width:100%;height:430px;object-fit:contain;background:#F5FDFF}.slide-copy{position:absolute;left:34px;top:50%;transform:translateY(-50%);width:min(460px,calc(100% - 68px));padding:24px;border-radius:20px;background:rgba(245,253,255,.82);backdrop-filter:blur(8px);border:1px solid rgba(39,169,232,.2);box-shadow:0 12px 30px rgba(16,126,180,.12)}.slide-copy h1,.slide-copy h2{font-size:34px}.slide-copy p{color:#5D7280}.slider-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:5;width:42px;height:42px;border:0;border-radius:50%;background:rgba(245,253,255,.86);color:#167BB8;font-size:28px;line-height:42px;cursor:pointer;box-shadow:0 8px 20px rgba(16,126,180,.18)}.slider-prev{left:18px}.slider-next{right:18px}.slider-dots{position:absolute;left:0;right:0;bottom:16px;display:flex;justify-content:center;gap:10px;z-index:6}.slider-dot{width:11px;height:11px;border-radius:50%;border:0;background:rgba(22,123,184,.28);cursor:pointer}.slider-dot.active{width:30px;border-radius:99px;background:#27A9E8}
.intro-grid,.split-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:28px;align-items:center}.content-img{width:100%;max-height:360px;object-fit:contain;background:#F5FDFF;border-radius:20px;border:1px solid rgba(39,169,232,.18);box-shadow:var(--shadow);padding:12px}.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0}.tag-row span,.mini-tag{display:inline-flex;color:#27A9E8;background:rgba(39,169,232,.1);border:1px solid rgba(39,169,232,.2);border-radius:999px;padding:6px 12px;font-weight:800;font-size:14px}.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.quick-card{padding:22px}.quick-card h3{font-size:20px}.quick-card p{color:#5D7280;font-size:15px}.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.zone-card{overflow:hidden}.zone-card img{width:100%;height:190px;object-fit:contain;background:#F5FDFF;padding:10px}.zone-card .zone-body{padding:22px}.zone-card p{color:#5D7280}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;counter-reset:step}.step-card{padding:22px;position:relative}.step-card:before{counter-increment:step;content:counter(step,decimal-leading-zero);display:inline-flex;color:#27A9E8;font-weight:900;background:rgba(39,169,232,.1);border:1px solid rgba(39,169,232,.18);border-radius:999px;padding:2px 11px;margin-bottom:10px}.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.feature-card{padding:22px}.feature-card p,.review-card p,.faq-item p{color:#5D7280}.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.review-card{padding:22px}.reviewer{display:block;color:#27A9E8;font-weight:900;margin-top:10px}.app-panel{display:grid;grid-template-columns:.9fr 1.1fr;gap:28px;align-items:center}.app-panel img{width:100%;max-height:390px;object-fit:contain;background:#F5FDFF;border-radius:22px;padding:12px;border:1px solid rgba(39,169,232,.18)}.point-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:18px 0}.point-list li{list-style:none;background:#fff;border:1px solid rgba(39,169,232,.15);border-radius:14px;padding:12px;color:#1D2B36;font-weight:700}.point-list ul{padding:0;margin:0}.notice-band{background:linear-gradient(135deg,rgba(255,255,255,.9),rgba(200,240,255,.72));border:1px solid rgba(39,169,232,.2);border-radius:24px;box-shadow:var(--shadow);padding:28px}.faq-list{display:grid;gap:14px}.faq-item{padding:22px}.faq-item h3{font-size:19px}.legal-note{background:#063B5C;color:#EAFBFF;border-radius:24px;padding:26px;box-shadow:0 16px 38px rgba(6,59,92,.2)}.legal-note h2,.legal-note h3{color:#EAFBFF}.legal-note p{color:#EAFBFF}.page-hero{padding:46px 0 28px}.page-hero-card{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:center;background:rgba(255,255,255,.82);border:1px solid rgba(39,169,232,.2);box-shadow:var(--shadow);border-radius:28px;padding:34px}.page-hero h1{font-size:38px}.page-hero p{color:#5D7280;font-size:17px}.page-layout{display:grid;gap:28px}.content-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}.wide-card{padding:28px}.wide-card p{color:#5D7280}.info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.info-card{padding:22px}.info-card p{color:#5D7280}.number-list{display:grid;gap:12px;margin:0;padding:0;list-style:none}.number-list li{background:#fff;border:1px solid rgba(39,169,232,.15);border-radius:15px;padding:14px 16px;color:#5D7280}.number-list strong{color:#27A9E8}.simple-list{margin:0;padding-left:20px;color:#5D7280}.simple-list li{margin-bottom:8px}.contact-box{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.contact-card{padding:22px}.contact-card strong{display:block;color:#27A9E8;font-size:18px;margin-bottom:8px}.site-footer{background:#063B5C;color:#EAFBFF;padding:46px 0 22px}.footer-grid{display:grid;grid-template-columns:1.5fr .8fr .8fr 1.2fr;gap:28px}.footer-logo img{height:46px;width:auto;margin-bottom:12px}.site-footer p,.site-footer a,.footer-bottom{color:#EAFBFF}.site-footer h3{color:#EAFBFF;font-size:18px}.footer-links{display:grid;align-content:start;gap:8px}.footer-links a:hover{color:#fff}.footer-bottom{margin-top:28px;padding-top:18px;border-top:1px solid rgba(234,251,255,.18);display:flex;justify-content:space-between;gap:18px;font-size:14px;color:#D8F7FF}
@media (max-width:1100px){.nav a{font-size:14px;padding:9px 7px}.quick-grid,.feature-grid{grid-template-columns:repeat(2,1fr)}.product-grid,.review-grid,.info-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:880px){.desktop-header{display:none}.mobile-top{display:flex}.site-main{padding-top:0}.banner-slider{margin:18px auto 28px;border-radius:18px;min-height:380px;width:calc(100% - 24px)}.slide,.slide img{min-height:380px;height:380px}.slide-copy{left:14px;right:14px;top:auto;bottom:58px;transform:none;width:auto;padding:18px}.slide-copy h1,.slide-copy h2{font-size:25px}.slider-arrow{width:38px;height:38px;font-size:24px}.intro-grid,.split-grid,.app-panel,.page-hero-card{grid-template-columns:1fr}.quick-grid,.product-grid,.steps,.feature-grid,.review-grid,.content-grid,.info-grid,.contact-box{grid-template-columns:1fr}.page-hero h1{font-size:30px}.page-hero-card{padding:24px}.section{padding:30px 0}.footer-grid{grid-template-columns:1fr}.footer-bottom{flex-direction:column}.point-list{grid-template-columns:1fr}.content-img,.app-panel img{max-height:320px}.zone-card img{height:180px}}
@media (max-width:520px){.wrap{width:calc(100% - 24px)}.mobile-logo img{height:34px}.mobile-register{padding:7px 13px}.banner-slider{min-height:360px}.slide,.slide img{height:360px;min-height:360px}.slide-copy{bottom:54px}.slide-copy p{font-size:14px}.slide-copy h1,.slide-copy h2{font-size:22px}.card,.wide-card,.notice-band,.legal-note{padding:20px}.page-hero-card{padding:20px}.zone-card img{height:160px}.slider-prev{left:8px}.slider-next{right:8px}}