:root{--bg:#E6EBF2;--panel:#fff;--panel-soft:#F5F7FB;--panel-alt:#EEF2F7;--line:rgba(40,156,255,.16);--blue:#289CFF;--blue2:#249BFF;--text:#243447;--muted:#66788A;--soft:#8A9AAF;--footer:#243447;--shadow:0 14px 36px rgba(56,92,138,.12)}*{box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:hidden}body{margin:0;min-height:100%;overflow-x:hidden;background:var(--bg);color:var(--text);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.75}a{color:inherit;text-decoration:none}img{display:block;max-width:100%;height:auto}.site-header{position:sticky;top:0;z-index:9999;background:rgba(245,247,251,.96);backdrop-filter:blur(13px);box-shadow:0 8px 28px rgba(56,92,138,.11)}.header-inner{max-width:1280px;margin:0 auto;min-height:72px;padding:0 22px;display:flex;align-items:center;justify-content:space-between;gap:22px;overflow:visible}.logo{flex:0 0 auto;display:flex;align-items:center}.logo img{max-height:50px;width:auto}.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>a,.nav-trigger{position:relative;border:0;background:transparent;color:#4E5F7A;font:inherit;font-weight:700;padding:24px 2px 20px;cursor:pointer;white-space:nowrap}.nav>a:after,.nav-trigger:after{content:"";position:absolute;left:50%;right:50%;bottom:13px;height:2px;border-radius:999px;background:var(--blue);transition:.2s}.nav>a:hover,.nav>a.active,.nav-trigger:hover,.nav-trigger.active{color:var(--blue)}.nav>a:hover:after,.nav>a.active:after,.nav-trigger:hover:after,.nav-trigger.active:after{left:8px;right:8px}.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:10px 24px;border-radius:999px;background:linear-gradient(180deg,#32D1F6 0%,#27B9F4 35%,#249BFF 100%);color:#fff;font-weight:800;box-shadow:0 10px 22px rgba(36,155,255,.28);transition:.2s}.main-btn:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(36,155,255,.34)}.header-register{min-width:78px}.dropdown{position:relative}.dropdown-menu{position:absolute;top:calc(100% - 5px);left:50%;transform:translate(-50%,10px);min-width:190px;padding:9px;background:#fff;border:1px solid rgba(40,156,255,.12);border-radius:15px;box-shadow:0 18px 38px rgba(56,92,138,.18);z-index:10000;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.more-dropdown .dropdown-menu{left:auto;right:0;transform:translateY(10px)}.dropdown:hover>.dropdown-menu,.dropdown:focus-within>.dropdown-menu,.dropdown.open>.dropdown-menu{opacity:1;visibility:visible;pointer-events:auto;transform:translate(-50%,0)}.more-dropdown:hover>.dropdown-menu,.more-dropdown:focus-within>.dropdown-menu,.more-dropdown.open>.dropdown-menu{transform:translateY(0)}.dropdown-menu a{display:block;padding:10px 13px;border-radius:10px;color:#4E5F7A;font-weight:650}.dropdown-menu a:hover{color:var(--blue);background:rgba(40,156,255,.08)}main{position:relative;z-index:1}.mobile-menu-btn{display:none;border:0;background:transparent;width:44px;height:44px;padding:10px;align-items:center;justify-content:center;flex-direction:column;gap:5px}.mobile-menu-btn span{display:block;width:24px;height:2px;border-radius:2px;background:#4E5F7A}.drawer-mask{position:fixed;inset:0;background:rgba(24,45,66,.48);z-index:12000;opacity:0;transition:.22s}.drawer-mask.show{opacity:1}.mobile-drawer{position:fixed;left:0;top:0;bottom:0;width:min(84vw,320px);background:#fff;z-index:12001;transform:translateX(-102%);transition:.25s ease;box-shadow:22px 0 52px rgba(22,54,85,.22);overflow-y:auto}.mobile-drawer.open{transform:translateX(0)}.drawer-head{position:sticky;top:0;background:#fff;display:flex;align-items:center;justify-content:space-between;padding:18px;border-bottom:1px solid var(--line);z-index:2}.drawer-head img{max-height:42px;width:auto}.drawer-close{border:0;background:#EEF2F7;color:#4E5F7A;width:38px;height:38px;border-radius:50%;font-size:28px;line-height:1;cursor:pointer}.drawer-nav{padding:10px 16px 28px}.drawer-nav a{display:block;padding:11px 12px;border-bottom:1px solid rgba(40,156,255,.08);color:#4E5F7A;font-weight:650}.drawer-nav a:hover{color:var(--blue);background:rgba(40,156,255,.06)}body.drawer-open{overflow:hidden}.container{width:min(1200px,calc(100% - 36px));margin:0 auto}.section{padding:64px 0}.section-tight{padding:36px 0}.section-head{max-width:800px;margin:0 auto 28px;text-align:center}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:14px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.eyebrow:before{content:"";width:24px;height:2px;background:var(--blue);border-radius:2px}.section-title,h1,h2,h3{color:var(--blue);line-height:1.35;margin-top:0}.section-title{font-size:clamp(28px,4vw,42px);margin-bottom:12px}.section-desc{margin:0;color:var(--muted)}.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--blue);font-weight:800}.text-link:after{content:"→";transition:.2s}.text-link:hover:after{transform:translateX(4px)}.card,.zone-card,.info-card,.review-card,.faq-item,.hero-panel,.notice-bar{background:rgba(255,255,255,.94);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:20px}.card,.zone-card,.info-card,.review-card{padding:25px}.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.grid-5{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px}.banner-slider{width:min(1200px,calc(100% - 36px));margin:28px auto 0;border-radius:22px;background:#fff;box-shadow:0 18px 40px rgba(56,92,138,.13);overflow:hidden;position:relative;z-index:1}.slides{position:relative;aspect-ratio:16/6.4;background:#fff}.slide{position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity .45s ease}.slide.active{opacity:1;visibility:visible}.slide img{width:100%;height:100%;object-fit:contain;background:#fff}.slider-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:3;width:44px;height:44px;border:0;border-radius:50%;background:rgba(255,255,255,.9);color:#32617f;font-size:28px;cursor:pointer;box-shadow:0 8px 20px rgba(38,75,110,.18)}.slider-arrow:hover{color:var(--blue)}.slider-prev{left:16px}.slider-next{right:16px}.slider-dots{position:absolute;left:50%;bottom:15px;transform:translateX(-50%);display:flex;gap:9px;z-index:3}.slider-dot{width:10px;height:10px;border:2px solid #fff;border-radius:50%;background:rgba(40,80,115,.36);padding:0;cursor:pointer}.slider-dot.active{width:25px;border-radius:999px;background:var(--blue)}.slider-info{display:grid;grid-template-columns:1.35fr auto;align-items:center;gap:22px;padding:22px 26px;background:#F5F7FB;border-top:1px solid var(--line)}.slider-copy{display:none}.slider-copy.active{display:block}.slider-copy h2{margin:0 0 5px;font-size:25px}.slider-copy p{margin:0;color:var(--muted)}.notice-bar{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:18px 22px}.notice-bar strong{color:var(--blue)}.notice-bar p{margin:0;color:var(--muted)}.split{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(320px,.9fr);gap:34px;align-items:center}.split.reverse{grid-template-columns:minmax(320px,.9fr) minmax(0,1.1fr)}.split.reverse .split-media{order:-1}.split-media{background:#fff;border:1px solid var(--line);border-radius:22px;padding:12px;box-shadow:var(--shadow)}.content-img,.zone-card img,.app-section img{width:100%;height:auto;object-fit:contain;border-radius:15px;background:#fff}.feature-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:24px 0}.feature{padding:16px;border-radius:15px;background:#F5F7FB;border:1px solid rgba(40,156,255,.12)}.feature b{display:block;color:var(--blue);margin-bottom:4px}.feature p{margin:0;color:var(--muted);font-size:14px}.channel-card{position:relative;overflow:hidden;min-height:205px}.channel-card .num{display:inline-flex;width:38px;height:38px;align-items:center;justify-content:center;border-radius:12px;background:rgba(40,156,255,.1);color:var(--blue);font-weight:900;margin-bottom:14px}.channel-card h3{font-size:20px;margin-bottom:8px}.channel-card p{color:var(--muted);margin:0 0 15px}.image-card{padding:0;overflow:hidden}.image-card img{width:100%;height:180px;object-fit:contain;background:#fff;padding:10px}.image-card .card-body{padding:22px}.image-card p{color:var(--muted)}.review-card{position:relative;padding-top:32px}.review-card:before{content:"“";position:absolute;top:0;left:20px;color:rgba(40,156,255,.18);font-size:64px;line-height:1;font-family:Georgia,serif}.review-card p{position:relative;margin:0;color:#4f6071}.review-card span{display:block;margin-top:12px;color:var(--blue);font-weight:800}.steps{counter-reset:step;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.step{counter-increment:step;position:relative;padding:70px 23px 23px}.step:before{content:counter(step,decimal-leading-zero);position:absolute;top:20px;left:22px;display:flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;background:linear-gradient(180deg,#32D1F6,#249BFF);color:#fff;font-weight:900;box-shadow:0 8px 18px rgba(36,155,255,.24)}.step h3{margin-bottom:8px}.step p{margin:0;color:var(--muted)}.faq-list{display:grid;gap:14px}.faq-item{overflow:hidden}.faq-item button{width:100%;border:0;background:#fff;padding:20px 22px;display:flex;align-items:center;justify-content:space-between;gap:20px;text-align:left;color:#34495d;font:inherit;font-weight:800;cursor:pointer}.faq-item button span:last-child{color:var(--blue);font-size:22px}.faq-answer{display:none;padding:0 22px 20px;color:var(--muted)}.faq-item.open .faq-answer{display:block}.faq-item.open button span:last-child{transform:rotate(45deg)}.page-hero{padding:54px 0 22px}.hero-panel{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(300px,.88fr);gap:32px;align-items:center;padding:36px}.hero-panel.no-image{grid-template-columns:1fr}.hero-panel h1{font-size:clamp(34px,5vw,54px);margin-bottom:15px}.hero-panel .lead{font-size:18px;color:var(--muted);margin-bottom:22px}.hero-panel img{width:100%;max-height:390px;object-fit:contain;border-radius:16px;background:#fff}.pill-row{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0}.pill{padding:7px 13px;border-radius:999px;background:#EEF7FF;color:var(--blue);font-weight:750;font-size:14px}.prose{max-width:880px}.prose p{color:#42566a;margin:0 0 18px}.prose h2{font-size:30px;margin:34px 0 12px}.prose h3{font-size:22px;margin:26px 0 10px}.info-strip{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.info-strip .info-card h3{margin-bottom:8px}.info-strip .info-card p{color:var(--muted);margin:0}.callout{padding:26px;border-left:4px solid var(--blue);background:#fff;border-radius:0 18px 18px 0;box-shadow:var(--shadow)}.callout h3{margin-bottom:8px}.callout p{margin:0;color:var(--muted)}.compliance{background:#DDE4EE;border-top:1px solid rgba(40,156,255,.12);border-bottom:1px solid rgba(40,156,255,.12)}.compliance .container{display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:start}.compliance-mark{width:52px;height:52px;border-radius:15px;background:#fff;color:var(--blue);display:flex;align-items:center;justify-content:center;font-weight:900;box-shadow:var(--shadow)}.compliance h2{margin-bottom:8px}.compliance p{margin:0;color:#586b7d}.site-footer{background:var(--footer);color:#EAF3FF;padding:54px 0 0}.footer-inner{width:min(1200px,calc(100% - 36px));margin:0 auto;display:grid;grid-template-columns:1.6fr .7fr .7fr;gap:46px}.footer-brand img{max-height:48px;width:auto;margin-bottom:15px}.footer-brand p{color:#bdcada;max-width:560px;margin:0}.footer-links h3{color:#fff;font-size:18px;margin-bottom:14px}.footer-links a{display:block;color:#cbd8e5;padding:4px 0}.footer-links a:hover{color:#6ec9ff}.footer-note{margin-top:38px;padding:20px 18px;border-top:1px solid rgba(234,243,255,.13);text-align:center;color:#b5c4d4;font-size:14px}.source-download{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px}
@media(max-width:1120px){.nav{gap:12px}.nav>a,.nav-trigger{font-size:14px}.header-inner{padding:0 16px}.grid-5{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:930px){.nav-wrap{display:none}.mobile-menu-btn{display:flex;position:relative;z-index:5}.header-inner{position:relative;display:grid;grid-template-columns:76px 1fr 76px;gap:0;min-height:68px}.logo{position:absolute;left:50%;transform:translateX(-50%);z-index:4;max-width:150px}.logo img{max-height:44px;max-width:140px}.header-action{justify-content:flex-end;position:relative;z-index:5}.header-register{min-width:68px;padding:8px 16px;min-height:40px}.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3,.steps,.info-strip{grid-template-columns:repeat(2,minmax(0,1fr))}.split,.split.reverse,.hero-panel{grid-template-columns:1fr}.split.reverse .split-media{order:0}.hero-panel img{max-height:320px}.slider-info{grid-template-columns:1fr}.slider-info .main-btn{justify-self:start}}
@media(max-width:680px){body{padding-bottom:0}.container,.banner-slider{width:min(100% - 24px,1200px)}.section{padding:46px 0}.section-tight{padding:26px 0}.header-inner{padding:0 8px;grid-template-columns:64px 1fr 64px}.logo{max-width:120px}.logo img{max-width:112px;max-height:38px}.mobile-menu-btn{width:42px;padding:9px}.header-register{min-width:58px;padding:7px 12px;font-size:14px}.slides{aspect-ratio:16/9}.slider-arrow{width:38px;height:38px;font-size:24px}.slider-prev{left:8px}.slider-next{right:8px}.slider-info{padding:18px}.slider-copy h2{font-size:21px}.slider-copy p{font-size:14px}.notice-bar{align-items:flex-start;flex-direction:column}.grid-2,.grid-3,.grid-4,.grid-5,.steps,.info-strip{grid-template-columns:1fr}.feature-list{grid-template-columns:1fr}.card,.zone-card,.info-card,.review-card{padding:21px}.channel-card{min-height:auto}.hero-panel{padding:25px}.hero-panel h1{font-size:36px}.page-hero{padding-top:28px}.compliance .container{grid-template-columns:1fr}.footer-inner{grid-template-columns:1fr;gap:28px}.section-title{font-size:30px}.source-download{flex-direction:column}.source-download .main-btn,.source-download .text-link{width:100%;justify-content:center}}