:root{--page:#E6EBF2;--header:rgba(245,247,251,.96);--surface:#fff;--soft:#EEF2F7;--muted:#DDE4EE;--brand:#289CFF;--brand2:#1E90F0;--nav:#4E5F7A;--text:#243447;--sub:#66788A;--hint:#8A9AAF;--border:rgba(40,156,255,.16);--shadow:0 14px 36px rgba(56,92,138,.12);--r:20px;--max:1200px}
*{box-sizing:border-box}html{scroll-behavior:smooth;background:var(--page)}body{margin:0;background:var(--page);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",system-ui,sans-serif;line-height:1.75;overflow-x:hidden}body.drawer-open{overflow:hidden}img{display:block;max-width:100%;height:auto}a{text-decoration:none;color:inherit}button{font:inherit;cursor:pointer}.container{width:min(calc(100% - 40px),var(--max));margin:auto}.skip-link{position:fixed;top:8px;left:8px;z-index:20000;transform:translateY(-150%);background:#fff;color:var(--brand);padding:10px 14px;border-radius:10px;box-shadow:var(--shadow)}.skip-link:focus{transform:none}
.site-header{position:sticky;top:0;z-index:9999;background:var(--header);backdrop-filter:blur(10px);box-shadow:0 8px 24px rgba(56,92,138,.1);border-bottom:1px solid rgba(40,156,255,.08)}.header-inner{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:22px}.site-logo{flex:0 0 auto;display:flex}.site-logo img{width:136px;max-height:52px;object-fit:contain}.nav-wrap{flex:1 1 auto;min-width:0;display:flex;justify-content:center}.desktop-nav{display:flex;align-items:center;justify-content:center;gap:clamp(10px,1.3vw,19px);white-space:nowrap;flex-wrap:nowrap}.nav-link{position:relative;border:0;background:transparent;color:var(--nav);font-size:14px;font-weight:700;padding:25px 0 22px;line-height:1}.nav-link:after{content:"";position:absolute;left:50%;bottom:11px;width:0;height:3px;border-radius:99px;background:var(--brand);transform:translateX(-50%);transition:.2s}.nav-link:hover,.nav-link.active{color:var(--brand)}.nav-link:hover:after,.nav-link.active:after{width:22px}.dropdown{position:relative}.dropdown-toggle:before{content:"";display:inline-block;width:7px;height:7px;border-right:2px solid;border-bottom:2px solid;transform:rotate(45deg) translateY(-2px);margin-right:7px;vertical-align:2px}.dropdown-menu{position:absolute;top:calc(100% - 6px);left:50%;min-width:180px;padding:8px;background:#fff;border:1px solid rgba(40,156,255,.12);border-radius:14px;box-shadow:0 18px 38px rgba(56,92,138,.16);z-index:10000;opacity:0;visibility:hidden;transform:translate(-50%,10px);transition:.18s}.dropdown-menu-right{left:auto;right:0;transform:translate(0,10px)}.dropdown:hover .dropdown-menu,.dropdown:focus-within .dropdown-menu,.dropdown.is-open .dropdown-menu{opacity:1;visibility:visible;transform:translate(-50%,0)}.dropdown:hover .dropdown-menu-right,.dropdown:focus-within .dropdown-menu-right,.dropdown.is-open .dropdown-menu-right{transform:translate(0,0)}.dropdown-menu a{display:block;padding:10px 13px;color:var(--nav);border-radius:10px;font-size:14px;font-weight:650}.dropdown-menu a:hover{color:var(--brand);background:rgba(40,156,255,.08)}.header-action{flex:0 0 auto;display:flex}.main-btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 22px;border:0;border-radius:999px;background:linear-gradient(180deg,#32D1F6 0%,#27B9F4 35%,#249BFF 100%);color:#fff;font-weight:800;box-shadow:0 10px 24px rgba(36,155,255,.25);transition:.2s}.main-btn:hover{background:linear-gradient(180deg,#48D9F7 0%,#1E90F0 100%);transform:translateY(-1px)}
.mobile-menu-toggle{display:none;width:44px;height:44px;padding:10px;border:0;background:transparent;border-radius:12px}.mobile-menu-toggle span{display:block;height:2px;margin:5px 0;background:var(--nav);border-radius:99px}.drawer-overlay{position:fixed;inset:0;z-index:11000;background:rgba(25,44,65,.38);opacity:0;transition:.2s}.drawer-overlay.is-visible{opacity:1}.mobile-drawer{position:fixed;inset:0 auto 0 0;z-index:12000;width:min(84vw,320px);padding:18px;background:#fff;box-shadow:24px 0 54px rgba(25,44,65,.2);transform:translateX(-102%);transition:.25s;overflow-y:auto}.mobile-drawer.is-open{transform:none}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--border)}.drawer-logo img{width:128px;max-height:48px;object-fit:contain}.drawer-close{width:42px;height:42px;border:0;border-radius:12px;background:var(--soft);color:var(--text);font-size:26px}.drawer-nav{display:grid;gap:6px;padding:16px 0}.drawer-nav a{padding:11px 13px;border-radius:11px;color:var(--nav);font-weight:700}.drawer-nav a:hover{color:var(--brand);background:rgba(40,156,255,.08)}
main{min-height:60vh}.banner-slider{width:min(calc(100% - 40px),1200px);margin:28px auto 36px;aspect-ratio:16/7;border-radius:20px;background:#fff;box-shadow:0 18px 40px rgba(56,92,138,.12);overflow:hidden;position:relative}.banner-track,.banner-slide{position:absolute;inset:0}.banner-slide{opacity:0;visibility:hidden;transition:opacity .55s,visibility .55s}.banner-slide.is-active{opacity:1;visibility:visible}.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;z-index:5;top:50%;width:44px;height:44px;border:1px solid rgba(255,255,255,.56);border-radius:50%;background:rgba(36,52,71,.42);color:#fff;transform:translateY(-50%);display:grid;place-items:center;font-size:24px}.slider-arrow.prev{left:18px}.slider-arrow.next{right:18px}.slider-dots{position:absolute;z-index:5;left:50%;bottom:14px;display:flex;gap:8px;transform:translateX(-50%)}.slider-dot{width:9px;height:9px;padding:0;border:1px solid rgba(255,255,255,.8);border-radius:99px;background:rgba(36,52,71,.42)}.slider-dot.is-active{width:26px;background:#fff}
.section{padding:44px 0}.section.compact{padding:28px 0}.soft-bg{background:rgba(245,247,251,.64)}.muted-bg{background:rgba(221,228,238,.42)}.section-head{max-width:760px;margin-bottom:24px}.kicker{display:inline-flex;align-items:center;gap:8px;margin-bottom:8px;color:var(--brand);font-size:13px;font-weight:800;letter-spacing:.08em}.kicker:before{content:"";width:28px;height:3px;border-radius:99px;background:var(--brand)}h1,h2,h3,.section-title{color:var(--brand);line-height:1.3;margin-top:0}h1{margin-bottom:16px;font-size:clamp(32px,5vw,54px);letter-spacing:-.03em}h2{margin-bottom:12px;font-size:clamp(26px,3.2vw,38px)}h3{margin-bottom:8px;font-size:20px}p{margin:0 0 14px;color:var(--sub)}.lead{max-width:760px;color:var(--text);font-size:clamp(17px,2.2vw,20px)}.text-link{display:inline-flex;align-items:center;gap:7px;color:var(--brand);font-weight:800}.text-link:after{content:"→";transition:.2s}.text-link:hover:after{transform:translateX(3px)}
.card,.zone-card,.info-card,.review-card,.faq-item,.notice-panel,.hero-panel,.content-panel{background:rgba(255,255,255,.92);border:1px solid var(--border);box-shadow:0 14px 36px rgba(56,92,138,.1)}.hero-section{padding:38px 0 28px}.hero-panel{display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:center;min-height:440px;padding:clamp(28px,5vw,58px);border-radius:24px;overflow:hidden}.hero-copy .main-btn{margin-top:12px}.hero-media,.media-panel{overflow:hidden;border-radius:18px;background:var(--soft)}.hero-media img{width:100%;aspect-ratio:3/2;object-fit:contain}.welcome-grid,.split-grid,.app-grid,.support-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:stretch}.content-panel{padding:clamp(26px,4vw,44px);border-radius:24px}.media-panel{border-radius:24px;background:#fff;border:1px solid var(--border);box-shadow:var(--shadow);display:flex;align-items:center;justify-content:center;min-height:320px}.media-panel img{width:100%;height:100%;object-fit:contain}.grid-2,.grid-3,.grid-4,.entry-grid,.review-grid,.feature-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,.entry-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.review-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.feature-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.card,.info-card,.review-card,.zone-card{border-radius:18px;padding:24px}.entry-card{min-height:210px;display:flex;flex-direction:column;justify-content:space-between}.zone-card{padding:0;overflow:hidden}.zone-card img{width:100%;aspect-ratio:4/3;object-fit:contain;background:#fff}.zone-card-body{padding:22px}.number-badge{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;margin-bottom:16px;border-radius:12px;background:rgba(40,156,255,.1);color:var(--brand);font-weight:900}.list-check{display:grid;gap:11px;margin:18px 0 0;padding:0;list-style:none}.list-check li{position:relative;padding-left:26px;color:var(--sub)}.list-check li:before{content:"✓";position:absolute;left:0;color:var(--brand);font-weight:900}.review-card blockquote{margin:0;color:var(--text);font-size:16px}.review-meta{margin-top:14px;color:var(--hint);font-size:13px}.steps{counter-reset:step;display:grid;gap:16px}.step-item{counter-increment:step;display:grid;grid-template-columns:52px 1fr;gap:16px;align-items:start;padding:22px;border-radius:18px;background:rgba(255,255,255,.9);border:1px solid var(--border)}.step-item:before{content:counter(step,decimal-leading-zero);display:grid;place-items:center;width:52px;height:52px;border-radius:16px;background:rgba(40,156,255,.1);color:var(--brand);font-weight:900}.faq-list{display:grid;gap:12px}.faq-item{border-radius:16px;overflow:hidden}.faq-item summary{position:relative;padding:20px 52px 20px 22px;color:var(--text);font-weight:800;cursor:pointer;list-style:none}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"+";position:absolute;right:20px;top:50%;color:var(--brand);font-size:25px;transform:translateY(-50%)}.faq-item[open] summary:after{content:"−"}.faq-answer{padding:0 22px 20px;color:var(--sub)}.notice-panel{padding:28px;border-radius:24px;background:linear-gradient(135deg,rgba(255,255,255,.95),rgba(238,242,247,.95))}.notice-panel strong{color:var(--brand)}.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.tag{padding:7px 12px;border-radius:99px;background:rgba(40,156,255,.1);color:var(--brand);font-size:13px;font-weight:800}
.site-footer{margin-top:54px;padding:54px 0 22px;background:#243447;color:#EAF3FF}.footer-grid{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:34px}.footer-logo img{width:136px;max-height:52px;object-fit:contain;filter:brightness(0) invert(1)}.footer-brand p,.site-footer p{color:rgba(234,243,255,.76);max-width:430px}.site-footer h2{color:#fff;font-size:17px;margin:0 0 14px}.site-footer a{display:block;width:fit-content;margin:8px 0;color:rgba(234,243,255,.82)}.site-footer a:hover{color:#fff}.footer-note{margin-top:12px;font-size:13px}.footer-bottom{display:flex;justify-content:space-between;gap:18px;margin-top:34px;padding-top:20px;border-top:1px solid rgba(234,243,255,.14);color:rgba(234,243,255,.66);font-size:13px}
@media(max-width:1120px){.desktop-nav{gap:11px}.nav-link{font-size:13px}.site-logo img{width:118px}.header-inner{gap:14px}.main-btn{padding-inline:18px}}
@media(max-width:980px){.desktop-nav,.nav-wrap{display:none}.mobile-menu-toggle{display:block}.header-inner{min-height:66px;display:grid;grid-template-columns:48px 1fr auto;gap:10px}.site-logo{justify-self:center}.site-logo img{width:122px}.header-register{min-height:40px;padding-inline:17px}.hero-panel,.welcome-grid,.split-grid,.app-grid,.support-grid{grid-template-columns:1fr}.hero-panel{min-height:0}.hero-media{order:-1}.grid-4,.entry-grid,.feature-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3,.review-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-grid{grid-template-columns:1.5fr 1fr 1fr}.footer-grid>:last-child{grid-column:1/-1}}
@media(max-width:680px){.container,.banner-slider{width:min(calc(100% - 24px),var(--max))}.section{padding:34px 0}.hero-section{padding-top:22px}.hero-panel{padding:22px;border-radius:20px}.banner-slider{margin-top:16px;margin-bottom:24px;aspect-ratio:4/2.25;border-radius:16px}.slider-arrow{width:38px;height:38px;font-size:20px}.slider-arrow.prev{left:10px}.slider-arrow.next{right:10px}.slider-dots{bottom:10px}h1{font-size:33px}h2{font-size:27px}.grid-2,.grid-3,.grid-4,.entry-grid,.review-grid,.feature-grid{grid-template-columns:1fr}.card,.info-card,.review-card,.zone-card-body,.content-panel{padding:21px}.media-panel{min-height:240px}.step-item{grid-template-columns:44px 1fr;padding:18px}.step-item:before{width:44px;height:44px;border-radius:13px}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.footer-grid>:last-child{grid-column:1/-1}.footer-bottom{flex-direction:column}}
@media(max-width:420px){.header-inner{grid-template-columns:44px 1fr auto}.site-logo img{width:108px}.header-register{padding-inline:14px;min-height:38px}.mobile-menu-toggle{width:42px;height:42px}.footer-grid{grid-template-columns:1fr}.footer-brand,.footer-grid>:last-child{grid-column:auto}}