*{box-sizing:border-box}
:root{--bg:#E6EBF2;--head:#F5F7FB;--white:#FFFFFF;--soft:#EEF2F7;--deep:#DDE4EE;--blue:#289CFF;--blue2:#1E90F0;--nav:#4E5F7A;--text:#243447;--sub:#66788A;--muted:#8A9AAF;--border:rgba(40,156,255,.16);--shadow:0 14px 36px rgba(56,92,138,.12)}
html{scroll-behavior:smooth}
body{margin:0;min-width:320px;overflow-x:hidden;background:var(--bg);color:var(--text);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.75}
body.drawer-open{overflow:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%}
button,input,textarea,select{font:inherit}
.site-header{position:sticky;top:0;z-index:9999;background:rgba(245,247,251,.96);backdrop-filter:blur(10px);box-shadow:0 8px 24px rgba(56,92,138,.10)}
.header-inner{width:min(1240px,calc(100% - 32px));min-height:72px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:24px}
.site-logo{flex:0 0 auto;display:flex;align-items:center}
.site-logo img{display:block;width:auto;max-width:150px;max-height:52px}
.nav-wrap{flex:1 1 auto;min-width:0;display:flex;justify-content:center}
.desktop-nav{display:flex;align-items:center;gap:clamp(12px,1.45vw,22px);white-space:nowrap;flex-wrap:nowrap}
.desktop-nav>a,.dropdown-toggle{position:relative;display:inline-flex;align-items:center;gap:4px;min-height:72px;padding:0 2px;border:0;background:transparent;color:var(--nav);cursor:pointer;font-weight:600}
.desktop-nav>a:after,.dropdown>.dropdown-toggle:after{content:"";position:absolute;left:50%;right:50%;bottom:0;height:3px;border-radius:3px 3px 0 0;background:var(--blue);transition:.2s}
.desktop-nav>a:hover,.desktop-nav>a.active,.dropdown:hover>.dropdown-toggle,.dropdown.active>.dropdown-toggle,.dropdown.is-open>.dropdown-toggle{color:var(--blue)}
.desktop-nav>a:hover:after,.desktop-nav>a.active:after,.dropdown:hover>.dropdown-toggle:after,.dropdown.active>.dropdown-toggle:after,.dropdown.is-open>.dropdown-toggle:after{left:0;right:0}
.dropdown{position:relative}
.dropdown-menu{position:absolute;top:calc(100% - 8px);left:0;z-index:10000;min-width:190px;padding:8px;border:1px solid rgba(40,156,255,.12);border-radius:14px;background:#fff;box-shadow:0 18px 38px rgba(56,92,138,.16);opacity:0;visibility:hidden;transform:translateY(8px);transition:.18s}
.dropdown-menu-right{left:auto;right:0}
.dropdown:hover .dropdown-menu,.dropdown:focus-within .dropdown-menu,.dropdown.is-open .dropdown-menu{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown-menu a{display:block;padding:10px 14px;border-radius:10px;color:var(--nav);white-space:nowrap}
.dropdown-menu a:hover{color:var(--blue);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:42px;padding:0 24px;border-radius:999px;background:linear-gradient(180deg,#32D1F6 0%,#27B9F4 35%,#249BFF 100%);color:#fff;box-shadow:0 10px 24px rgba(36,155,255,.25);font-weight:700;transition:.2s}
.main-btn:hover{background:linear-gradient(180deg,#48D9F7 0%,#1E90F0 100%);box-shadow:0 13px 28px rgba(36,155,255,.30);transform:translateY(-1px)}
.menu-toggle{display:none;width:42px;height:42px;padding:9px;border:0;border-radius:12px;background:#fff;box-shadow:0 6px 18px rgba(56,92,138,.10)}
.menu-toggle span{display:block;height:2px;margin:5px 0;border-radius:2px;background:var(--nav)}
.drawer-overlay{position:fixed;inset:0;z-index:12000;background:rgba(36,52,71,.42);opacity:0;visibility:hidden;transition:.25s}
.drawer-overlay.is-open{opacity:1;visibility:visible}
.mobile-drawer{position:fixed;top:0;bottom:0;left:0;z-index:12001;width:min(84vw,320px);overflow-y:auto;background:#fff;box-shadow:20px 0 45px rgba(36,52,71,.18);transform:translateX(-102%);transition:transform .28s}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-head{position:sticky;top:0;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:72px;padding:10px 18px;background:rgba(255,255,255,.96);border-bottom:1px solid var(--border)}
.drawer-logo img{display:block;width:auto;max-width:132px;max-height:48px}
.drawer-close{width:40px;height:40px;border:0;border-radius:50%;background:var(--soft);color:var(--nav);font-size:28px;line-height:1}
.drawer-nav{padding:14px}
.drawer-nav a{display:block;padding:12px 14px;border-radius:11px;color:var(--nav);font-weight:600}
.drawer-nav a:hover{color:var(--blue);background:rgba(40,156,255,.08)}
.container{width:min(1200px,calc(100% - 32px));margin-inline:auto}
.section{padding:34px 0}
.section-soft{background:rgba(238,242,247,.72)}
.section-title-wrap{max-width:780px;margin-bottom:24px}
.eyebrow{display:inline-flex;align-items:center;min-height:30px;padding:0 12px;border-radius:999px;background:rgba(40,156,255,.10);color:var(--blue);font-size:14px;font-weight:700;letter-spacing:.04em}
h1,h2,h3,.section-title{color:var(--blue);line-height:1.28}
h1{margin:14px 0 18px;font-size:clamp(32px,5vw,58px)}
h2{margin:0 0 12px;font-size:clamp(26px,3.4vw,38px)}
h3{margin:0 0 8px;font-size:20px}
p{margin:0 0 14px}
.lead{color:var(--sub);font-size:clamp(17px,2vw,20px)}
.small-note{color:var(--muted);font-size:14px}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--blue);font-weight:700}
.text-link:after{content:"→";transition:transform .2s}
.text-link:hover:after{transform:translateX(3px)}
.banner-slider{position:relative;width:min(1200px,calc(100% - 32px));aspect-ratio:16/6.6;min-height:250px;margin:28px auto 36px;overflow:hidden;border-radius:20px;background:#fff;box-shadow:0 18px 40px rgba(56,92,138,.12)}
.slide{position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity .45s,visibility .45s}
.slide.is-active{opacity:1;visibility:visible}
.slide img{display:block;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%;z-index:2;width:44px;height:44px;border:0;border-radius:50%;background:rgba(255,255,255,.88);color:var(--blue);box-shadow:0 8px 20px rgba(36,52,71,.16);cursor:pointer;transform:translateY(-50%);font-size:24px}
.slider-arrow.prev{left:18px}.slider-arrow.next{right:18px}
.slider-dots{position:absolute;left:50%;bottom:15px;z-index:2;display:flex;gap:8px;transform:translateX(-50%)}
.slider-dot{width:10px;height:10px;padding:0;border:0;border-radius:50%;background:rgba(255,255,255,.68);box-shadow:0 2px 8px rgba(36,52,71,.18);cursor:pointer}
.slider-dot.is-active{width:26px;border-radius:999px;background:var(--blue)}
.hero-panel,.split-panel{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(320px,.92fr);gap:32px;align-items:center;padding:clamp(28px,5vw,58px);border:1px solid var(--border);border-radius:24px;background:rgba(255,255,255,.92);box-shadow:var(--shadow)}
.hero-panel{margin:30px auto 12px}.hero-panel.no-image{grid-template-columns:1fr}
.hero-copy{max-width:760px}.hero-copy .main-btn{margin-top:8px}
.content-img{display:block;width:100%;height:auto;max-height:480px;object-fit:contain;border-radius:18px;background:#fff}
.grid{display:grid;gap:20px}.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))}
.card,.zone-card,.info-card,.review-card,.faq-card,.step-card{min-width:0;padding:24px;border:1px solid var(--border);border-radius:18px;background:rgba(255,255,255,.92);box-shadow:0 14px 36px rgba(56,92,138,.10)}
.card p,.zone-card p,.info-card p,.review-card p,.faq-card p,.step-card p{color:var(--sub)}
.zone-card img{display:block;width:100%;height:190px;margin-bottom:18px;object-fit:contain;border-radius:14px;background:#fff}
.card-number{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;margin-bottom:14px;border-radius:50%;background:rgba(40,156,255,.12);color:var(--blue);font-weight:800}
.check-list{display:grid;gap:12px;margin:18px 0 0;padding:0;list-style:none}
.check-list li{position:relative;padding-left:28px;color:var(--sub)}
.check-list li:before{content:"✓";position:absolute;left:0;color:var(--blue);font-weight:800}
.review-card{position:relative;padding-top:32px}
.review-card:before{content:"“";position:absolute;top:4px;left:20px;color:rgba(40,156,255,.28);font-size:48px;line-height:1;font-weight:800}
.review-meta{display:block;margin-top:12px;color:var(--muted);font-size:14px}
.notice-panel{padding:26px;border:1px solid rgba(40,156,255,.18);border-radius:18px;background:linear-gradient(135deg,rgba(255,255,255,.96),rgba(238,242,247,.94));box-shadow:0 12px 30px rgba(56,92,138,.09)}
.notice-panel strong{color:var(--blue)}
.faq-list{display:grid;gap:14px}
.faq-list details{border:1px solid var(--border);border-radius:14px;background:rgba(255,255,255,.94);box-shadow:0 10px 24px rgba(56,92,138,.08)}
.faq-list summary{position:relative;padding:18px 50px 18px 20px;color:var(--text);cursor:pointer;font-weight:700;list-style:none}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary:after{content:"+";position:absolute;top:50%;right:20px;color:var(--blue);font-size:24px;transform:translateY(-50%)}
.faq-list details[open] summary:after{content:"−"}
.faq-answer{padding:0 20px 20px;color:var(--sub)}
.site-footer{margin-top:46px;background:#243447;color:#EAF3FF}
.footer-inner{width:min(1200px,calc(100% - 32px));margin:auto;display:grid;grid-template-columns:minmax(280px,1.1fr) minmax(0,1.9fr);gap:50px;padding:54px 0 34px}
.footer-brand img{display:block;width:auto;max-width:150px;max-height:52px;margin-bottom:18px}
.footer-brand p{max-width:520px;color:rgba(234,243,255,.78)}
.footer-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.footer-links h2{margin:0 0 12px;color:#fff;font-size:17px}.footer-links a{display:block;margin:7px 0;color:rgba(234,243,255,.76)}.footer-links a:hover{color:#fff}
.footer-notice,.footer-bottom{width:min(1200px,calc(100% - 32px));margin:auto}
.footer-notice{padding:18px 0;border-top:1px solid rgba(234,243,255,.12);border-bottom:1px solid rgba(234,243,255,.12);color:rgba(234,243,255,.76);font-size:14px}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding:18px 0 26px;color:rgba(234,243,255,.64);font-size:14px}
@media(max-width:1120px){.desktop-nav{gap:12px;font-size:15px}.site-logo img{max-width:130px}.header-inner{gap:14px}}
@media(max-width:980px){.desktop-nav,.nav-wrap{display:none}.menu-toggle{display:block;flex:0 0 auto}.header-inner{width:min(100% - 20px,760px);display:grid;grid-template-columns:48px minmax(0,1fr) auto;gap:10px}.site-logo{justify-self:center;min-width:0}.site-logo img{max-width:min(128px,34vw);max-height:46px}.header-action .main-btn{min-height:40px;padding:0 18px}.hero-panel,.split-panel{grid-template-columns:1fr}.hero-media{order:-1}.grid-4,.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-inner{grid-template-columns:1fr;gap:30px}}
@media(max-width:720px){.container,.banner-slider{width:min(100% - 22px,620px)}.section{padding:26px 0}.banner-slider{min-height:180px;aspect-ratio:16/8.5;margin-top:18px;border-radius:16px}.slider-arrow{width:38px;height:38px;font-size:20px}.slider-arrow.prev{left:10px}.slider-arrow.next{right:10px}.hero-panel,.split-panel{gap:22px;padding:24px;border-radius:18px}.grid-4,.grid-3,.grid-2{grid-template-columns:1fr}.card,.zone-card,.info-card,.review-card,.faq-card,.step-card{padding:20px}.footer-links{grid-template-columns:1fr 1fr}.footer-bottom{flex-direction:column;gap:4px}}
@media(max-width:460px){.header-inner{min-height:66px}.menu-toggle{width:40px;height:40px}.header-action .main-btn{padding:0 15px;font-size:15px}.site-logo img{max-width:108px}.footer-links{grid-template-columns:1fr}}