:root{--page:#EAF2FB;--surface:#fff;--soft:#F4F8FF;--soft2:#EDF5FF;--soft3:#E1ECF8;--blue:#2FA8F7;--cyan:#45C7FF;--deep:#137CD8;--text:#24364F;--muted:#5D718A;--border:rgba(47,168,247,.14);--footer:#102B46;--footerText:#EAF6FF;--shadow:0 22px 55px rgba(46,92,135,.12);--radius:28px}*{box-sizing:border-box}html,body{margin:0;max-width:100%;overflow-x:hidden}html{scroll-behavior:smooth}body{font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;background:var(--page);color:var(--text);line-height:1.75}.menu-open{overflow-y:hidden}a{color:inherit;text-decoration:none}a,button{touch-action:manipulation}img{display:block;max-width:100%}button{font:inherit}.shell{width:min(1180px,calc(100% - 36px));margin:0 auto}.site-header{position:fixed;inset:0 0 auto;z-index:9000;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}.desktop-header{height:76px;display:grid;grid-template-columns:220px 1fr 120px;align-items:center;gap:26px}.brand-logo{display:inline-flex;align-items:center;width:max-content}.brand-logo img,.mobile-logo img{width:146px;height:46px;object-fit:contain}.core-nav{display:flex;justify-content:center;gap:8px;white-space:nowrap}.core-nav a{position:relative;padding:12px 16px;border-radius:14px;color:var(--muted);font-weight:700}.core-nav a:hover{color:var(--deep);background:var(--soft)}.core-nav a.active{color:var(--deep)}.core-nav a.active:after{content:"";position:absolute;left:25%;right:25%;bottom:4px;height:3px;border-radius:8px;background:var(--blue)}.main-btn{display:inline-flex;align-items:center;justify-content:center;min-width:92px;min-height:44px;padding:10px 22px;border:0;border-radius:999px;color:#fff!important;font-weight:800;background:linear-gradient(135deg,#45C7FF 0%,#2FA8F7 48%,#137CD8 100%);box-shadow:0 12px 26px rgba(19,124,216,.18);transition:transform .2s ease,box-shadow .2s ease}.main-btn:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(19,124,216,.24)}.header-register{justify-self:end}.channel-wrap{position:fixed;top:76px;left:0;right:0;z-index:7000;background:rgba(244,248,255,.93);border-bottom:1px solid var(--border);backdrop-filter:blur(10px)}.channel-nav{height:54px;display:flex;align-items:center;gap:8px;overflow-x:auto;overscroll-behavior-inline:contain;scrollbar-width:none}.channel-nav::-webkit-scrollbar{display:none}.channel-nav a{flex:0 0 auto;padding:7px 13px;border-radius:999px;color:var(--muted);font-size:14px;line-height:1.4}.channel-nav a:hover,.channel-nav a.active{color:#fff;background:linear-gradient(135deg,var(--cyan),var(--deep))}.mobile-header{display:none}.site-main{padding-top:130px;min-height:70vh}.section{padding:44px 0}.section-tight{padding:24px 0}.section-title{margin:0 0 12px;color:var(--deep);font-size:clamp(28px,4vw,42px);line-height:1.2}.section-lead{max-width:760px;margin:0 0 28px;color:var(--muted)}.eyebrow{display:inline-flex;margin-bottom:12px;padding:6px 12px;border-radius:999px;background:var(--soft2);color:var(--deep);font-size:13px;font-weight:800;letter-spacing:.04em}.banner-shell{padding:28px 0 34px;background:linear-gradient(180deg,var(--page),var(--soft2))}.banner-slider{position:relative;z-index:1;overflow:hidden;background:#fff;border:1px solid var(--border);border-radius:34px;box-shadow:var(--shadow);aspect-ratio:16/6.2}.slide{position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity .55s ease}.slide.active{opacity:1;visibility:visible}.slide img{width:100%;height:100%;object-fit:contain;background:#fff}.slider-arrow{position:absolute;top:50%;z-index:3;transform:translateY(-50%);width:46px;height:46px;border:1px solid rgba(255,255,255,.8);border-radius:50%;background:rgba(16,43,70,.55);color:#fff;font-size:28px;cursor:pointer}.slider-prev{left:18px}.slider-next{right:18px}.slider-dots{position:absolute;left:50%;bottom:16px;z-index:3;display:flex;gap:9px;transform:translateX(-50%)}.slider-dot{width:12px;height:12px;padding:0;border:2px solid #fff;border-radius:50%;background:rgba(16,43,70,.45);cursor:pointer}.slider-dot.active{width:30px;border-radius:12px;background:#fff}.hero-card,.content-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.brand-intro{display:grid;grid-template-columns:1.08fr .92fr;gap:38px;align-items:center;padding:34px}.brand-intro .visual,.subhero-visual{overflow:hidden;border-radius:22px;background:var(--soft)}.brand-intro .visual img,.subhero-visual img{width:100%;height:100%;min-height:300px;object-fit:contain}.link-more{display:inline-flex;align-items:center;margin-top:14px;color:var(--deep);font-weight:800}.link-more:after{content:"→";margin-left:7px;transition:transform .2s}.link-more:hover:after{transform:translateX(4px)}.quick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.quick-card{padding:24px;border:1px solid var(--border);border-radius:22px;background:#fff;box-shadow:0 14px 32px rgba(46,92,135,.08)}.quick-card h3{margin:0 0 8px;color:var(--deep)}.quick-card p{margin:0;color:var(--muted)}.notice-strip{padding:24px 28px;border:1px solid var(--border);border-radius:22px;background:linear-gradient(135deg,#fff,var(--soft2));color:var(--text)}.board-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.board-item{padding:24px;border-radius:22px;background:var(--soft);border:1px solid var(--border)}.board-item strong{display:block;margin-bottom:8px;color:var(--deep);font-size:18px}.split-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}.feature-card{display:grid;grid-template-columns:1fr .9fr;gap:24px;align-items:center;padding:26px}.feature-card.reverse{grid-template-columns:.9fr 1fr}.feature-card img,.triple-card img{width:100%;height:230px;object-fit:contain;border-radius:20px;background:var(--soft)}.feature-card h3,.triple-card h3{margin:0 0 10px;color:var(--deep);font-size:24px}.feature-card p,.triple-card p{margin:0;color:var(--muted)}.mini-points{margin:14px 0 0;padding-left:20px;color:var(--text)}.triple-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.triple-card{padding:22px;background:#fff;border:1px solid var(--border);border-radius:24px;box-shadow:0 14px 34px rgba(46,92,135,.08)}.triple-card img{height:180px;margin-bottom:18px}.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.review-card{padding:22px;border-radius:22px;background:#fff;border:1px solid var(--border)}.review-card p{margin:0;color:var(--text)}.review-card span{display:block;margin-top:12px;color:var(--muted);font-size:14px}.faq-list{display:grid;gap:14px}.faq-item{padding:22px 24px;border-radius:20px;background:#fff;border:1px solid var(--border)}.faq-item h3{margin:0 0 8px;color:var(--deep);font-size:19px}.faq-item p{margin:0;color:var(--muted)}.subhero{padding:48px 0 34px;background:linear-gradient(180deg,var(--soft2),var(--page))}.subhero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:38px;align-items:center;padding:34px}.subhero-grid.no-visual{grid-template-columns:1fr}.subhero h1{margin:0 0 16px;color:var(--deep);font-size:clamp(34px,5vw,54px);line-height:1.12}.subhero p{margin:0;color:var(--muted);font-size:18px}.crumbs{margin-bottom:16px;color:var(--muted);font-size:14px}.crumbs a{color:var(--deep)}.content-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:28px}.article-card{padding:34px}.article-card h2{margin:30px 0 12px;color:var(--deep);font-size:28px}.article-card h2:first-child{margin-top:0}.article-card h3{margin:22px 0 8px;color:var(--deep)}.article-card p{margin:0 0 16px}.article-card ul{padding-left:22px}.article-card .inline-image{width:100%;max-height:420px;object-fit:contain;margin:22px 0;border-radius:24px;background:var(--soft)}.side-card{position:sticky;top:154px;height:max-content;padding:24px}.side-card h2{margin:0 0 14px;color:var(--deep);font-size:21px}.side-card a{display:block;padding:10px 0;border-bottom:1px solid var(--border);color:var(--muted)}.side-card a:hover{color:var(--deep)}.side-card .main-btn{margin-top:18px}.cta-panel{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:28px 32px;border-radius:26px;background:linear-gradient(135deg,#fff,var(--soft2));border:1px solid var(--border)}.cta-panel h2{margin:0 0 6px;color:var(--deep)}.cta-panel p{margin:0;color:var(--muted)}.legal-note{padding:26px;border-radius:22px;background:#fff;border-left:5px solid var(--blue);box-shadow:0 12px 28px rgba(46,92,135,.08)}.service-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.step-card{padding:24px;border-radius:22px;background:#fff;border:1px solid var(--border)}.step-card b{display:inline-flex;width:36px;height:36px;align-items:center;justify-content:center;border-radius:50%;background:var(--soft2);color:var(--deep)}.step-card h3{margin:14px 0 8px;color:var(--deep)}.floating-service{position:fixed;right:18px;top:50%;z-index:8000;display:flex;flex-direction:column;gap:4px;transform:translateY(-50%);padding:10px;border-radius:20px;background:rgba(255,255,255,.96);border:1px solid var(--border);box-shadow:0 18px 42px rgba(38,86,128,.16)}.floating-service a,.floating-service button{min-width:92px;padding:9px 12px;border:0;border-radius:12px;background:transparent;color:var(--deep);font-weight:700;text-align:center;cursor:pointer}.floating-service a:hover,.floating-service button:hover{background:var(--soft)}.floating-service .main-btn{min-height:40px}.site-footer{margin-top:58px;padding:50px 0 24px;background:var(--footer);color:var(--footerText)}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:36px}.footer-brand img{width:150px;height:48px;object-fit:contain;filter:brightness(0) invert(1);margin-bottom:14px}.site-footer h2{margin:0 0 14px;font-size:18px}.site-footer p{margin:0;color:rgba(234,246,255,.78)}.site-footer section>a{display:block;padding:5px 0;color:rgba(234,246,255,.8)}.site-footer a:hover{color:#fff}.footer-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:34px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);font-size:14px}.footer-bottom nav{display:flex;gap:16px}.mobile-drawer,.drawer-mask,.mobile-bottom-nav{display:none}
@media(max-width:1280px){.floating-service{right:8px}.shell{width:min(1120px,calc(100% - 34px))}}
@media(max-width:980px){.desktop-header{grid-template-columns:180px 1fr 100px}.core-nav a{padding:10px 10px}.quick-grid,.review-grid{grid-template-columns:repeat(2,1fr)}.board-grid{grid-template-columns:repeat(2,1fr)}.triple-grid{grid-template-columns:repeat(2,1fr)}.content-layout{grid-template-columns:1fr}.side-card{position:static}.floating-service{display:none}.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:720px){.site-header{height:64px}.desktop-header,.channel-wrap{display:none}.mobile-header{height:64px;display:grid;grid-template-columns:58px 1fr 78px;align-items:center;gap:8px}.menu-button{display:flex;width:46px;height:46px;align-items:center;justify-content:center;flex-direction:column;gap:5px;border:0;border-radius:14px;background:var(--soft);cursor:pointer}.menu-button span{display:block;width:22px;height:2px;border-radius:4px;background:var(--deep)}.mobile-logo{justify-self:center}.mobile-logo img{width:122px;height:40px}.mobile-register{justify-self:end;min-width:70px;min-height:42px;padding:8px 14px;position:relative;z-index:9001}.site-main{padding-top:64px}.shell{width:min(100% - 24px,680px)}.banner-shell{padding:16px 0 24px}.banner-slider{border-radius:22px;aspect-ratio:16/8}.slider-arrow{width:42px;height:42px}.slider-prev{left:8px}.slider-next{right:8px}.slider-dots{bottom:10px}.section{padding:34px 0}.brand-intro,.subhero-grid{grid-template-columns:1fr;padding:24px;gap:24px}.brand-intro .visual img,.subhero-visual img{min-height:220px}.quick-grid,.board-grid,.split-grid,.triple-grid,.review-grid,.service-steps{grid-template-columns:1fr}.feature-card,.feature-card.reverse{grid-template-columns:1fr;padding:22px}.feature-card img,.triple-card img{height:200px}.article-card{padding:24px}.cta-panel{align-items:flex-start;flex-direction:column;padding:24px}.footer-grid{grid-template-columns:1fr}.footer-bottom{flex-direction:column;padding-bottom:74px}.mobile-drawer{display:block;position:fixed;top:0;left:0;bottom:0;z-index:10000;width:min(84vw,360px);overflow-y:auto;background:#fff;transform:translateX(-105%);transition:transform .22s ease;box-shadow:20px 0 50px rgba(16,43,70,.2)}.mobile-drawer.open{transform:translateX(0)}.drawer-mask{position:fixed;inset:0;z-index:9990;background:rgba(16,43,70,.48);opacity:0;visibility:hidden;pointer-events:none;transition:opacity .22s ease,visibility .22s ease}.drawer-mask.show{display:block;opacity:1;visibility:visible;pointer-events:auto}.drawer-head{position:sticky;top:0;display:flex;align-items:center;justify-content:space-between;padding:14px 18px;background:#fff;border-bottom:1px solid var(--border)}.drawer-head img{width:135px;height:44px;object-fit:contain}.drawer-close{width:44px;height:44px;border:0;border-radius:50%;background:var(--soft);color:var(--deep);font-size:28px;cursor:pointer}.drawer-nav{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;padding:16px 16px 28px}.drawer-nav a{display:flex;align-items:center;min-height:46px;padding:10px 12px;border-radius:13px;background:var(--soft);color:var(--text);font-size:15px}.drawer-nav a.active{background:linear-gradient(135deg,var(--cyan),var(--deep));color:#fff}.mobile-bottom-nav{position:fixed;left:0;right:0;bottom:0;z-index:8500;display:grid;grid-template-columns:repeat(4,1fr);padding:8px max(8px,env(safe-area-inset-right)) calc(8px + env(safe-area-inset-bottom)) max(8px,env(safe-area-inset-left));background:rgba(255,255,255,.97);border-top:1px solid var(--border);box-shadow:0 -10px 30px rgba(16,43,70,.1)}.mobile-bottom-nav a{display:flex;align-items:center;justify-content:center;min-height:44px;border-radius:12px;color:var(--muted);font-weight:700}.mobile-bottom-nav a.active{color:#fff;background:linear-gradient(135deg,var(--cyan),var(--deep))}.site-footer{margin-bottom:60px}.subhero{padding-top:30px}.subhero h1{font-size:36px}.subhero p{font-size:16px}}
@media(max-width:420px){.mobile-logo img{width:108px}.mobile-header{grid-template-columns:52px 1fr 72px}.main-btn.mobile-register{min-width:64px;padding:8px 10px}.drawer-nav{grid-template-columns:1fr 1fr}.banner-slider{aspect-ratio:4/2.3}.section-title{font-size:30px}}