*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;background:#E6EBF2;color:#243447;line-height:1.75;padding-top:76px;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto}
.site-header{position:fixed;top:0;left:0;width:100%;z-index:9999;background:#F5F7FB;border-bottom:1px solid rgba(40,156,255,.14);box-shadow:0 10px 28px rgba(56,92,138,.10)}
.header-inner{max-width:1240px;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px}
.logo{flex:0 0 auto;display:inline-flex;align-items:center}
.logo img{max-height:52px;width:auto;display:block}
.logo-mobile,.menu-toggle{display:none}
.nav-wrap{flex:1 1 auto;min-width:0;display:flex;justify-content:center}
.nav{display:flex;align-items:center;gap:18px;white-space:nowrap;flex-wrap:nowrap}
.nav-item{position:relative;border:0;background:transparent;color:#4E5F7A;font-size:15px;font-weight:700;padding:24px 0;cursor:pointer;font-family:inherit}
.nav-item:hover,.nav-item.active{color:#289CFF}
.nav-item.active::after{content:"";position:absolute;left:0;right:0;bottom:15px;height:3px;border-radius:999px;background:#289CFF;box-shadow:0 0 14px rgba(40,156,255,.38)}
.dropdown,.more-dropdown{position:relative}
.dropdown-toggle::after{content:"▾";margin-left:6px;font-size:12px}
.dropdown-menu,.more-menu{position:absolute;top:100%;left:0;min-width:180px;background:#FFFFFF;border:1px solid rgba(40,156,255,.12);border-radius:14px;box-shadow:0 18px 38px rgba(56,92,138,.16);z-index:10000;padding:8px;opacity:0;visibility:hidden;transform:translateY(12px);transition:opacity .2s ease,transform .2s ease,visibility .2s ease}
.dropdown:hover .dropdown-menu,.dropdown.is-open .dropdown-menu{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown-menu a,.more-menu a{display:block;padding:11px 14px;color:#4E5F7A;white-space:nowrap;border-radius:10px;font-size:14px;font-weight:700}
.dropdown-menu a:hover,.more-menu a:hover{color:#289CFF;background:rgba(40,156,255,.08)}
.header-action{flex:0 0 auto;display:flex;align-items:center}
.main-btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:12px 24px;border-radius:999px;background:linear-gradient(180deg,#32D1F6 0%,#27B9F4 35%,#249BFF 100%);color:#FFFFFF;font-weight:800;box-shadow:0 12px 24px rgba(36,155,255,.24);border:0}
.main-btn:hover{transform:translateY(-1px);box-shadow:0 16px 30px rgba(36,155,255,.30)}
.header-btn{min-width:88px;padding:10px 22px}
.site-main{min-height:70vh}
.container{width:min(1200px,calc(100% - 40px));margin:0 auto}
.hero-section{max-width:1200px;margin:28px auto 36px;border-radius:22px;background:#FFFFFF;box-shadow:0 18px 40px rgba(56,92,138,.12);overflow:hidden;position:relative}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.06fr) minmax(320px,.94fr);gap:28px;align-items:center;padding:46px}
.hero-copy h1,.page-hero h1{margin:0 0 18px;font-size:clamp(32px,5vw,56px);line-height:1.16;color:#289CFF;letter-spacing:-.02em}
.hero-copy .lead,.page-hero .lead{font-size:18px;color:#66788A;margin:0 0 18px}
.hero-copy p,.page-hero p{color:#243447;margin:0 0 20px}
.hero-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:24px}
.text-link{color:#289CFF;font-weight:800}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0}
.tag-row span,.badge{color:#289CFF;background:rgba(40,156,255,.10);border:1px solid rgba(40,156,255,.16);padding:7px 12px;border-radius:999px;font-size:14px;font-weight:800}
.hero-media,.media-card{background:#EEF2F7;border-radius:20px;border:1px solid rgba(40,156,255,.14);box-shadow:inset 0 1px 0 rgba(255,255,255,.72);overflow:hidden}
.hero-media img,.media-card img,.content-img,.zone-card img,.app-section img,.hero-section img{max-width:100%;height:auto;display:block}
.hero-media img,.media-card img{width:100%}
.section{margin:34px auto}
.section-head{max-width:760px;margin:0 0 20px}
.section-kicker{color:#289CFF;font-size:14px;font-weight:900;letter-spacing:.08em;margin-bottom:8px}
h1,h2,h3,.section-title{color:#289CFF}
.section-title{margin:0 0 12px;font-size:clamp(25px,3.4vw,38px);line-height:1.25}
.section-desc{color:#66788A;margin:0}
.card,.zone-card,.info-card,.review-card{background:rgba(255,255,255,.92);border:1px solid rgba(40,156,255,.16);box-shadow:0 14px 36px rgba(56,92,138,.10);border-radius:18px}
.card,.info-card,.review-card{padding:24px}
.card h3,.zone-card h3,.info-card h3,.review-card h3{margin-top:0;margin-bottom:10px;font-size:20px}
.card p,.info-card p,.review-card p,.zone-card p{color:#66788A;margin:0 0 14px}
.card .num,.step-num{display:inline-flex;width:34px;height:34px;border-radius:12px;align-items:center;justify-content:center;color:#289CFF;background:rgba(40,156,255,.10);font-weight:900;margin-bottom:12px}
.grid{display:grid;gap:18px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.zone-card{overflow:hidden}
.zone-card .zone-body{padding:22px}
.split-section{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);gap:22px;align-items:center}
.light-panel{background:#F5F7FB;border:1px solid rgba(40,156,255,.13);border-radius:20px;padding:28px}
.step-list{display:grid;gap:14px;counter-reset:steps;margin:0;padding:0;list-style:none}
.step-list li{display:grid;grid-template-columns:42px 1fr;gap:12px;align-items:start;padding:16px;border-radius:16px;background:rgba(255,255,255,.80);border:1px solid rgba(40,156,255,.13)}
.step-list strong{color:#243447;display:block;margin-bottom:4px}
.step-list span{color:#66788A}
.review-card{position:relative}
.review-card p{color:#243447}
.review-card strong{color:#289CFF}
.faq-list{display:grid;gap:14px}
.faq-item{background:rgba(255,255,255,.94);border:1px solid rgba(40,156,255,.16);border-radius:16px;padding:20px;box-shadow:0 12px 26px rgba(56,92,138,.08)}
.faq-item h3{margin:0 0 8px;color:#289CFF;font-size:18px}
.faq-item p{margin:0;color:#66788A}
.notice-panel{background:#DDE4EE;border:1px solid rgba(40,156,255,.14);border-radius:18px;padding:22px 24px;color:#243447}
.notice-panel strong{color:#289CFF}
.page-hero{max-width:1200px;margin:28px auto 34px;padding:42px;background:#FFFFFF;border-radius:22px;box-shadow:0 18px 40px rgba(56,92,138,.12);overflow:hidden}
.page-hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(280px,.95fr);gap:28px;align-items:center}
.meta-line{color:#8A9AAF;font-size:14px;margin-top:10px}
.site-footer{margin-top:52px;background:#243447;color:#EAF3FF}
.footer-inner{max-width:1200px;margin:0 auto;padding:44px 24px 26px;display:grid;grid-template-columns:minmax(260px,.9fr) minmax(0,1.4fr);gap:36px}
.footer-logo img{max-height:50px}
.footer-brand p{color:rgba(234,243,255,.78);margin:18px 0 0}
.footer-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.footer-links h3{color:#EAF3FF;margin:0 0 12px;font-size:17px}
.footer-links a{display:block;color:rgba(234,243,255,.76);margin:7px 0}
.footer-links a:hover{color:#FFFFFF}
.footer-notice{border-top:1px solid rgba(234,243,255,.12);padding:18px 24px 24px;text-align:center}
.footer-notice p{max-width:980px;margin:0 auto;color:rgba(234,243,255,.82);font-size:14px}
.drawer-mask,.mobile-drawer{display:none}
@media(max-width:1180px){.header-inner{gap:16px;padding:0 18px}.nav{gap:14px}.nav-item{font-size:14px}.header-btn{min-width:76px;padding:10px 18px}}
@media(max-width:980px){
body{padding-top:68px}.header-inner{min-height:68px;display:grid;grid-template-columns:48px 1fr auto;gap:12px}.menu-toggle{display:inline-flex;width:44px;height:44px;border-radius:14px;border:1px solid rgba(40,156,255,.16);background:#FFFFFF;align-items:center;justify-content:center;flex-direction:column;gap:5px;cursor:pointer}.menu-toggle span{width:20px;height:2px;background:#4E5F7A;border-radius:999px}.logo-desktop,.nav-wrap{display:none}.logo-mobile{display:inline-flex;justify-self:center}.logo img{max-height:46px}.header-action{justify-self:end}.header-btn{min-width:74px;padding:9px 17px}.drawer-mask{display:block;position:fixed;inset:0;background:rgba(36,52,71,.44);opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:10000}.mobile-drawer{display:block;position:fixed;top:0;left:0;width:min(84vw,320px);height:100vh;background:#FFFFFF;z-index:10001;transform:translateX(-102%);transition:transform .28s ease;box-shadow:16px 0 38px rgba(56,92,138,.20);overflow-y:auto}body.drawer-open{overflow:hidden}body.drawer-open .drawer-mask{opacity:1;visibility:visible}body.drawer-open .mobile-drawer{transform:translateX(0)}.drawer-top{min-height:74px;padding:12px 16px;display:flex;align-items:center;justify-content:space-between;background:#F5F7FB;border-bottom:1px solid rgba(40,156,255,.12)}.drawer-close{width:40px;height:40px;border-radius:14px;border:1px solid rgba(40,156,255,.16);background:#FFFFFF;color:#4E5F7A;font-size:28px;line-height:1;cursor:pointer}.drawer-nav{padding:14px;display:grid;gap:6px}.drawer-nav a{padding:13px 14px;border-radius:12px;color:#4E5F7A;font-weight:800;background:#F5F7FB}.drawer-nav a:hover{color:#289CFF;background:rgba(40,156,255,.10)}.hero-grid,.page-hero-grid,.split-section{grid-template-columns:1fr}.hero-grid,.page-hero{padding:28px}.grid-4,.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-inner{grid-template-columns:1fr}}
@media(max-width:640px){
.container{width:min(100% - 28px,1200px)}.hero-section,.page-hero{margin-top:18px;border-radius:18px}.hero-grid,.page-hero{padding:22px}.hero-copy h1,.page-hero h1{font-size:30px}.hero-copy .lead,.page-hero .lead{font-size:16px}.grid-4,.grid-3,.grid-2{grid-template-columns:1fr}.hero-actions{align-items:stretch}.main-btn{width:100%}.header-btn{width:auto}.footer-links{grid-template-columns:1fr}.step-list li{grid-template-columns:1fr}}