:root{
    --bg:#F4FBFF;--surface:#FFFFFF;--soft:#E8F7FF;--primary:#10AEEA;--blue:#1688D8;--deep:#155A9D;
    --text:#24384A;--muted:#60758A;--border:rgba(16,174,234,.18);--footer:#073A68;
    --shadow:0 18px 45px rgba(17,111,167,.12);--radius:24px;--radius-sm:16px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:"Microsoft YaHei","PingFang SC",system-ui,-apple-system,sans-serif;line-height:1.75;overflow-x:hidden}
body.drawer-open{overflow:hidden}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
button,input,textarea{font:inherit}
.container{width:min(100% - 32px,1360px);margin-inline:auto}
.section-pad{padding:clamp(58px,7vw,96px) 0}
.soft-section{background:linear-gradient(180deg,rgba(232,247,255,.76),rgba(244,251,255,.5))}
.site-header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.96);backdrop-filter:blur(16px);border-bottom:1px solid var(--border);box-shadow:0 8px 28px rgba(25,105,155,.07)}
.header-inner{width:min(100% - 32px,1360px);height:78px;margin-inline:auto;display:flex;align-items:center;gap:clamp(14px,2vw,30px)}
.brand-logo{flex:0 0 auto;width:clamp(118px,11vw,158px)}
.brand-logo img{width:100%;max-height:48px;object-fit:contain}
.desktop-nav{flex:1;min-width:0;display:flex;align-items:center;justify-content:center;gap:clamp(7px,.85vw,16px);overflow:hidden}
.desktop-nav a{white-space:nowrap;font-size:clamp(12px,.82vw,14px);font-weight:700;color:#31536b;padding:8px 2px;position:relative}
.desktop-nav a::after{content:"";position:absolute;left:50%;right:50%;bottom:2px;height:2px;background:var(--primary);transition:.2s}
.desktop-nav a:hover,.desktop-nav a.active{color:var(--blue)}
.desktop-nav a:hover::after,.desktop-nav a.active::after{left:0;right:0}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.main-btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 24px;border-radius:999px;background:linear-gradient(135deg,#35D7FF 0%,#1688D8 100%);color:#fff;font-weight:800;box-shadow:0 10px 24px rgba(22,136,216,.23);transition:transform .2s,box-shadow .2s}
.main-btn:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(22,136,216,.3)}
.header-register{min-width:82px}
.menu-toggle{display:none;width:44px;height:44px;border:1px solid var(--border);border-radius:14px;background:#fff;padding:10px;cursor:pointer}
.menu-toggle span{display:block;height:2px;background:var(--deep);margin:5px 0;border-radius:2px}
.drawer-backdrop{position:fixed;inset:0;background:rgba(7,58,104,.42);z-index:1100;opacity:0;transition:.22s}
.drawer-backdrop.show{opacity:1}
.mobile-drawer{position:fixed;top:0;right:0;z-index:1200;width:min(86vw,370px);height:100vh;background:#fff;transform:translateX(105%);transition:.25s ease;box-shadow:-18px 0 50px rgba(7,58,104,.18);padding:20px;overflow-y:auto}
.mobile-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--border)}
.drawer-head img{width:138px;max-height:48px;object-fit:contain}
.drawer-head button{border:0;background:var(--soft);color:var(--deep);width:40px;height:40px;border-radius:50%;font-size:28px;line-height:1;cursor:pointer}
.mobile-drawer nav{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:18px 0}
.mobile-drawer nav a{padding:11px 12px;border:1px solid var(--border);border-radius:12px;color:#31536b;font-weight:700;background:#fbfeff}
.drawer-register{width:100%}
.hero-carousel{padding:clamp(18px,3vw,34px) 0 0}
.carousel-shell{position:relative;border-radius:clamp(18px,2.5vw,30px);overflow:hidden;background:#dff5ff;box-shadow:var(--shadow);aspect-ratio:16/6.5;min-height:240px}
.carousel-track{height:100%;display:flex;transition:transform .55s ease}
.carousel-slide{min-width:100%;height:100%}
.carousel-slide img{width:100%;height:100%;object-fit:contain;background:#e9f8ff}
.carousel-arrow{position:absolute;top:50%;transform:translateY(-50%);width:46px;height:46px;border:1px solid rgba(255,255,255,.85);border-radius:50%;background:rgba(7,58,104,.45);color:#fff;font-size:26px;cursor:pointer;display:grid;place-items:center}
.carousel-arrow.prev{left:18px}.carousel-arrow.next{right:18px}
.carousel-dots{position:absolute;left:50%;bottom:16px;transform:translateX(-50%);display:flex;gap:9px}
.carousel-dots button{width:10px;height:10px;border:0;border-radius:50%;padding:0;background:rgba(255,255,255,.62);box-shadow:0 0 0 1px rgba(7,58,104,.18);cursor:pointer}
.carousel-dots button.active{width:28px;border-radius:999px;background:#fff}
.home-welcome{padding:clamp(52px,6vw,86px) 0}
.welcome-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:32px;align-items:stretch}
.welcome-copy,.welcome-panel,.intro-copy,.intro-panel,.intro-media,.feature-card,.step-card,.review-card,.faq-list details{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}
.welcome-copy{padding:clamp(28px,4vw,54px)}
.welcome-copy h1,.intro-copy h1{font-size:clamp(34px,5vw,66px);line-height:1.13;margin:.35em 0 .32em;color:var(--deep);letter-spacing:-.03em}
.welcome-copy p,.intro-copy p{font-size:clamp(16px,1.35vw,19px);color:var(--muted)}
.welcome-panel{padding:32px;display:grid;gap:16px;background:linear-gradient(145deg,#fff,#eaf8ff)}
.info-line{display:flex;gap:14px;align-items:flex-start;padding:15px 0;border-bottom:1px solid var(--border)}
.info-line:last-child{border-bottom:0}.info-line span{width:38px;height:38px;display:grid;place-items:center;border-radius:12px;background:var(--soft);color:var(--blue);font-weight:900}.info-line strong{display:block;color:var(--deep)}
.eyebrow{display:inline-flex;color:var(--blue);font-size:13px;font-weight:900;letter-spacing:.12em;text-transform:uppercase}
.section-heading{max-width:820px;margin-bottom:34px}.section-heading h2{font-size:clamp(28px,4vw,48px);line-height:1.2;margin:.3em 0 .25em;color:var(--deep)}.section-heading p{color:var(--muted);font-size:17px;margin:0}
.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.quick-card{background:#fff;border:1px solid var(--border);border-radius:18px;padding:24px;box-shadow:0 12px 30px rgba(18,121,181,.08);transition:.2s}.quick-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.quick-card h3{margin:0 0 10px;color:var(--deep);font-size:20px}.quick-card p{color:var(--muted);font-size:14px}.inline-link{color:var(--blue);font-weight:800}.inline-link::after{content:" →"}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.feature-card{overflow:hidden;padding:22px}.feature-card h3{font-size:22px;color:var(--deep);margin:14px 0 8px}.feature-card p{color:var(--muted);margin:0 0 14px}.card-media{margin:-22px -22px 18px;aspect-ratio:16/10;background:#edfaff;overflow:hidden}.card-media img{width:100%;height:100%;object-fit:contain}.card-tag{display:inline-flex;padding:5px 11px;border-radius:999px;background:var(--soft);color:var(--blue);font-size:12px;font-weight:800}
.split-section{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center}.split-media{border-radius:var(--radius);overflow:hidden;background:#e8f7ff;box-shadow:var(--shadow);min-height:320px}.split-media img{width:100%;height:100%;max-height:480px;object-fit:contain}.split-copy h2{font-size:clamp(28px,4vw,46px);line-height:1.2;color:var(--deep);margin:.3em 0}.split-copy p{color:var(--muted)}.bullet-list{display:grid;gap:12px;margin:22px 0}.bullet-list div{padding:14px 16px;border-left:4px solid var(--primary);background:#fff;border-radius:0 14px 14px 0;box-shadow:0 8px 20px rgba(16,120,180,.07)}
.page-intro{padding-top:clamp(56px,8vw,105px);background:radial-gradient(circle at 85% 10%,rgba(53,215,255,.22),transparent 30%)}
.intro-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:stretch}.intro-copy{padding:clamp(30px,5vw,62px)}.intro-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}.text-btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 22px;border-radius:999px;border:1px solid var(--border);color:var(--blue);font-weight:800;background:#fff}.intro-media{margin:0;overflow:hidden;min-height:360px;background:#eaf8ff}.intro-media img{width:100%;height:100%;object-fit:contain}.intro-panel{display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;min-height:360px;padding:40px;background:linear-gradient(145deg,#fff,#dff5ff)}.intro-panel span{font-size:13px;letter-spacing:.35em;color:var(--blue);font-weight:900}.intro-panel strong{font-size:clamp(36px,5vw,64px);color:var(--deep)}.intro-panel small{color:var(--muted)}
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.step-card{padding:28px}.step-card>span{font-size:34px;color:rgba(16,174,234,.28);font-weight:900}.step-card h3{color:var(--deep);font-size:21px}.step-card p{color:var(--muted)}
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.review-card{margin:0;padding:26px}.review-card p{font-size:16px;color:#34566d}.review-card footer{margin-top:18px;color:var(--blue);font-weight:800}
.faq-list{display:grid;gap:12px;background:transparent;border:0;box-shadow:none}.faq-list details{padding:18px 22px}.faq-list summary{cursor:pointer;font-weight:800;color:var(--deep)}.faq-list p{color:var(--muted);margin:14px 0 2px}
.compliance{background:linear-gradient(135deg,#0a4d82,#073A68);color:#fff}.compliance-box{display:grid;grid-template-columns:.8fr 1.3fr auto;gap:28px;align-items:center}.compliance h2{margin:.25em 0 0;font-size:clamp(26px,3.4vw,42px);line-height:1.2}.compliance p{color:#dff5ff}.text-btn.light{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.32);color:#fff;white-space:nowrap}
.site-footer{background:var(--footer);color:#EAF8FF;padding:62px 0 24px}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:38px}.footer-brand img{width:150px;filter:brightness(0) invert(1);margin-bottom:18px}.footer-grid h2{font-size:16px;margin:0 0 14px;color:#fff}.footer-grid a{display:block;color:#cfefff;margin:7px 0}.footer-grid p{color:#b8ddf5;font-size:14px}.footer-bottom{border-top:1px solid rgba(255,255,255,.13);margin-top:38px;padding-top:20px;display:flex;justify-content:space-between;gap:20px;color:#b8ddf5;font-size:13px}
.content-prose{max-width:920px}.content-prose h2{font-size:clamp(28px,4vw,44px);line-height:1.25;color:var(--deep)}.content-prose h3{color:var(--deep);margin-top:28px}.content-prose p,.content-prose li{color:var(--muted)}.content-prose ul{padding-left:1.2em}
.notice-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.contact-card{background:#fff;border:1px solid var(--border);border-radius:20px;padding:26px}.contact-card h3{color:var(--deep)}
@media (max-width:1180px){.desktop-nav{display:none}.menu-toggle{display:block}.header-inner{height:72px}.brand-logo{margin-right:auto}.header-register{min-width:76px;padding-inline:18px}.quick-grid{grid-template-columns:repeat(3,1fr)}.feature-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1.3fr 1fr 1fr}.footer-grid>div:last-child{grid-column:2/4}}
@media (max-width:820px){.carousel-shell{aspect-ratio:16/9;min-height:0}.welcome-grid,.intro-grid,.split-section{grid-template-columns:1fr}.intro-media{min-height:280px}.quick-grid{grid-template-columns:repeat(2,1fr)}.steps-grid,.review-grid,.contact-grid{grid-template-columns:1fr 1fr}.compliance-box{grid-template-columns:1fr}.feature-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:last-child{grid-column:auto}.intro-copy h1{font-size:clamp(34px,8vw,52px)}}
@media (max-width:560px){.container,.header-inner{width:min(100% - 22px,1360px)}.header-inner{gap:8px}.brand-logo{width:112px}.header-register{min-width:68px;padding-inline:14px;min-height:40px}.menu-toggle{width:40px;height:40px}.section-pad{padding:52px 0}.hero-carousel{padding-top:12px}.carousel-shell{border-radius:16px}.carousel-arrow{width:38px;height:38px;font-size:22px}.carousel-arrow.prev{left:10px}.carousel-arrow.next{right:10px}.carousel-dots{bottom:10px}.welcome-copy,.intro-copy{padding:26px}.welcome-copy h1{font-size:36px}.quick-grid,.feature-grid,.steps-grid,.review-grid,.contact-grid{grid-template-columns:1fr}.mobile-drawer nav{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr}.footer-bottom{flex-direction:column}.intro-media,.intro-panel{min-height:240px}.main-btn,.text-btn{min-height:42px}.card-media{aspect-ratio:16/9}}