:root{--bg:#E6EBF2;--soft:#F5F7FB;--white:#FFFFFF;--alt:#EEF2F7;--deep:#DDE4EE;--blue:#289CFF;--nav:#4E5F7A;--text:#243447;--muted:#66788A;--hint:#8A9AAF;--border:rgba(40,156,255,.16);--shadow:0 14px 36px rgba(56,92,138,.12);--radius:20px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.75;overflow-x:hidden}body.drawer-open{overflow:hidden}a{color:inherit;text-decoration:none}img{max-width:100%}button,input,textarea{font:inherit}button{cursor:pointer}.container{width:min(1180px,calc(100% - 40px));margin-inline:auto}
.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{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}.logo{flex:0 0 auto;display:flex;align-items:center;min-width:132px}.logo img{max-height:50px;width:auto;display:block}.nav-wrap{flex:1 1 auto;min-width:0;display:flex;justify-content:center}.nav{display:flex;align-items:center;gap:20px;white-space:nowrap;flex-wrap:nowrap}.nav>a,.dropdown-trigger{position:relative;display:inline-flex;align-items:center;gap:4px;min-height:42px;padding:0 2px;color:var(--nav);border:0;background:transparent;font-size:15px;font-weight:600}.nav>a::after,.more-dropdown.active>.dropdown-trigger::after{content:"";position:absolute;left:10%;right:10%;bottom:1px;height:2px;background:var(--blue);transform:scaleX(0);transition:.2s}.nav>a:hover,.nav>a.active,.dropdown-trigger:hover,.more-dropdown.active>.dropdown-trigger{color:var(--blue)}.nav>a:hover::after,.nav>a.active::after,.more-dropdown.active>.dropdown-trigger::after{transform:scaleX(1)}.header-action{flex:0 0 auto}.main-btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 24px;border:0;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%);transform:translateY(-1px)}.header-register{min-width:82px}.more-dropdown{position:relative}.more-menu{position:absolute;top:calc(100% + 10px);left:50%;width:580px;padding:18px;display:grid;grid-template-columns:repeat(3,1fr);gap:12px;background:#fff;border:1px solid rgba(40,156,255,.12);border-radius:16px;box-shadow:0 18px 38px rgba(56,92,138,.16);z-index:10000;opacity:0;visibility:hidden;transform:translate(-50%,10px);transition:.18s}.more-dropdown:hover .more-menu,.more-dropdown.open .more-menu{opacity:1;visibility:visible;transform:translate(-50%,0)}.menu-group{padding:6px}.menu-group strong{display:block;padding:6px 10px 8px;color:var(--blue);font-size:14px}.menu-group a{display:block;padding:10px;color:var(--nav);border-radius:10px}.menu-group a:hover{color:var(--blue);background:rgba(40,156,255,.08)}.mobile-menu-btn,.mobile-drawer,.drawer-overlay{display:none}
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.section{padding:34px 0}.section-soft{background:rgba(245,247,251,.78);border-top:1px solid rgba(255,255,255,.75);border-bottom:1px solid rgba(40,156,255,.08)}.section-head{max-width:760px;margin-bottom:24px}.eyebrow{display:inline-block;margin-bottom:8px;color:var(--blue);font-weight:700;letter-spacing:.08em}h1,h2,h3,.section-title{color:var(--blue);line-height:1.35}h1{margin:0 0 18px;font-size:clamp(30px,4vw,48px)}h2{margin:0 0 14px;font-size:clamp(24px,3vw,34px)}h3{margin:0 0 10px;font-size:20px}p{margin:0 0 14px;color:var(--muted)}.lead{font-size:18px;color:var(--text)}.text-link{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-weight:700}.text-link::after{content:"→"}.welcome-grid,.split-grid,.app-grid,.support-grid,.page-hero-inner{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(340px,.9fr);gap:34px;align-items:center}.content-visual{background:rgba(255,255,255,.92);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px;overflow:hidden}.content-visual img,.content-img{width:100%;height:auto;max-height:430px;object-fit:contain;display:block;border-radius:14px}
.card-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.card-grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.card-grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.card,.zone-card,.info-card,.review-card,.faq-item,.notice-box{background:rgba(255,255,255,.92);border:1px solid var(--border);box-shadow:0 14px 36px rgba(56,92,138,.10);border-radius:18px}.card,.info-card,.review-card{padding:24px}.card{display:flex;flex-direction:column;min-height:220px}.card .text-link{margin-top:auto}.zone-card{overflow:hidden}.zone-card img{width:100%;height:190px;object-fit:contain;background:#fff;display:block}.zone-card-body{padding:22px}.feature-list,.notice-list,.service-list,.step-list{margin:0;padding:0;list-style:none}.feature-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:22px}.feature-list li,.service-list li{position:relative;padding:16px 16px 16px 44px;background:rgba(255,255,255,.78);border:1px solid var(--border);border-radius:14px;color:var(--text)}.feature-list li::before,.service-list li::before{content:"✓";position:absolute;left:16px;top:14px;color:var(--blue);font-weight:800}.step-list{counter-reset:step;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.step-list li{counter-increment:step;position:relative;padding:64px 20px 22px;background:rgba(255,255,255,.92);border:1px solid var(--border);border-radius:18px;color:var(--muted);box-shadow:0 10px 28px rgba(56,92,138,.08)}.step-list li::before{content:counter(step,decimal-leading-zero);position:absolute;top:18px;left:20px;color:var(--blue);font-size:24px;font-weight:800}.review-card blockquote{margin:0;color:var(--text)}.review-card cite{display:block;margin-top:16px;color:var(--hint);font-style:normal;font-size:14px}.notice-box{padding:24px;background:linear-gradient(135deg,rgba(255,255,255,.96),rgba(238,242,247,.94))}.notice-list{display:grid;gap:10px}.notice-list li{position:relative;padding-left:24px;color:var(--muted)}.notice-list li::before{content:"•";position:absolute;left:6px;color:var(--blue);font-size:20px}.faq-list{display:grid;gap:14px}.faq-item{overflow:hidden}.faq-question{width:100%;border:0;background:transparent;color:var(--text);padding:20px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;font-weight:700}.faq-question::after{content:"+";color:var(--blue);font-size:24px}.faq-item.open .faq-question::after{content:"−"}.faq-answer{display:none;padding:0 24px 22px}.faq-item.open .faq-answer{display:block}.page-hero{padding:46px 0 30px}.page-hero-copy{padding:8px 0}.page-hero .content-visual img{max-height:380px}.breadcrumb{display:flex;gap:8px;color:var(--hint);font-size:14px;margin-bottom:16px}.breadcrumb a{color:var(--blue)}.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}.tag{display:inline-flex;padding:7px 12px;border-radius:999px;background:rgba(40,156,255,.10);color:var(--blue);font-size:14px;font-weight:700}.cta-strip{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:28px;border-radius:20px;background:#fff;border:1px solid var(--border);box-shadow:var(--shadow)}.cta-strip p{margin:0}
.site-footer{margin-top:44px;background:#243447;color:#EAF3FF}.footer-grid{display:grid;grid-template-columns:1.5fr .75fr .75fr 1.2fr;gap:34px;padding:48px 0 34px}.footer-brand img{max-height:48px;width:auto;display:block;margin-bottom:18px;filter:brightness(0) invert(1);opacity:.96}.footer-brand p,.footer-notice p{color:rgba(234,243,255,.76)}.footer-links h2,.footer-notice h2{color:#EAF3FF;font-size:17px;margin-bottom:12px}.footer-links{display:flex;flex-direction:column;gap:9px}.footer-links a{color:rgba(234,243,255,.78)}.footer-links a:hover{color:#fff}.footer-bottom{min-height:64px;display:flex;align-items:center;justify-content:space-between;gap:20px;border-top:1px solid rgba(234,243,255,.12);color:rgba(234,243,255,.70);font-size:14px}
@media(max-width:1080px){.nav{gap:14px}.nav>a,.dropdown-trigger{font-size:14px}.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.step-list{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-grid{grid-template-columns:1.2fr .8fr .8fr}.footer-notice{grid-column:1/-1}}
@media(max-width:820px){.container{width:min(100% - 28px,1180px)}.header-inner{min-height:64px;display:grid;grid-template-columns:92px minmax(0,1fr) 92px;gap:8px}.nav-wrap{display:none}.mobile-menu-btn{display:inline-flex;width:44px;height:44px;align-items:center;justify-content:center;flex-direction:column;gap:5px;border:0;background:transparent;padding:8px;justify-self:start}.mobile-menu-btn span{display:block;width:24px;height:2px;border-radius:3px;background:var(--nav)}.logo{min-width:0;justify-self:center}.logo img{max-height:42px;max-width:132px}.header-action{justify-self:end}.header-register{min-width:76px;min-height:40px;padding:8px 18px}.drawer-overlay{display:block;position:fixed;inset:0;z-index:10020;background:rgba(20,35,55,.42);opacity:0;visibility:hidden;transition:.25s}.mobile-drawer{display:block;position:fixed;left:0;top:0;bottom:0;z-index:10030;width:min(84vw,320px);background:#fff;box-shadow:18px 0 40px rgba(20,35,55,.18);transform:translateX(-105%);transition:.28s;overflow-y:auto}body.drawer-open .drawer-overlay{opacity:1;visibility:visible}body.drawer-open .mobile-drawer{transform:translateX(0)}.drawer-head{position:sticky;top:0;z-index:2;min-height:70px;display:flex;align-items:center;justify-content:space-between;padding:12px 18px;background:#F5F7FB;border-bottom:1px solid rgba(40,156,255,.10)}.drawer-logo img{max-height:42px;width:auto;display:block}.drawer-close{width:42px;height:42px;border:0;border-radius:50%;background:rgba(40,156,255,.10);color:var(--blue);font-size:28px}.drawer-nav{display:grid;padding:12px 16px 30px}.drawer-nav a{padding:13px 14px;border-radius:10px;color:var(--nav);font-weight:600}.drawer-nav a:hover{color:var(--blue);background:rgba(40,156,255,.08)}.banner-slider{width:calc(100% - 28px);margin:20px auto 28px;border-radius:16px;aspect-ratio:16/7.5}.slider-arrow{width:38px;height:38px;margin-top:-19px}.slider-prev{left:10px}.slider-next{right:10px}.slider-dots{bottom:10px}.welcome-grid,.split-grid,.app-grid,.support-grid,.page-hero-inner{grid-template-columns:1fr;gap:22px}.card-grid,.card-grid.three,.card-grid.two{grid-template-columns:1fr 1fr}.feature-list{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand,.footer-notice{grid-column:1/-1}}
@media(max-width:560px){.container{width:calc(100% - 24px)}.header-inner{width:calc(100% - 20px);grid-template-columns:78px minmax(0,1fr) 78px}.logo img{max-width:112px}.header-register{min-width:70px;padding-inline:14px;font-size:14px}.banner-slider{width:calc(100% - 20px);aspect-ratio:16/9}.slider-arrow{width:34px;height:34px;margin-top:-17px;font-size:22px}.section{padding:28px 0}.card-grid,.card-grid.three,.card-grid.two,.step-list{grid-template-columns:1fr}.card{min-height:0}.zone-card img{height:170px}.content-visual{padding:12px}.cta-strip{align-items:flex-start;flex-direction:column}.footer-grid{grid-template-columns:1fr;gap:24px}.footer-brand,.footer-notice{grid-column:auto}.footer-bottom{padding:16px 0;align-items:flex-start;flex-direction:column;gap:4px}}