*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#F4FBFF;color:#223044;font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.78;overflow-x:hidden}a{color:#0877C9}img{max-width:100%}button,input{font:inherit}.site-header{position:sticky;top:0;z-index:9999;width:100%;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);box-shadow:0 8px 24px rgba(8,119,201,.08)}.header-inner{max-width:1180px;min-height:70px;margin:0 auto;padding:0 18px;display:flex;align-items:center;justify-content:space-between;gap:14px}.site-logo{display:inline-flex;align-items:center;text-decoration:none;flex:0 0 auto}.site-logo img{display:block;height:40px;width:auto;max-width:168px;object-fit:contain}.logo-text{font-weight:900;font-size:22px;color:#0877C9;white-space:nowrap}.nav-core{display:flex;align-items:center;gap:2px;min-width:0}.nav-core a{color:#1D2A3A;padding:8px 11px;font-weight:700;text-decoration:none;white-space:nowrap;border-bottom:2px solid transparent}.nav-core a.is-current,.nav-core a:hover{color:#0877C9;border-bottom-color:#1CA8F6}.main-btn{display:inline-flex;align-items:center;justify-content:center;height:42px;min-width:96px;padding:0 20px;background:linear-gradient(135deg,#38C7FF 0%,#1CA8F6 48%,#0877C9 100%);color:#FFFFFF;border-radius:999px;text-decoration:none;font-weight:700;box-shadow:0 12px 26px rgba(8,119,201,.18);white-space:nowrap}.menu-toggle{display:none;border:0;background:#EAF7FF;color:#0877C9;width:42px;height:42px;border-radius:12px;font-size:23px}.channel-bar{background:#EAF7FF;border-bottom:1px solid rgba(28,168,246,.12)}.channel-inner{max-width:1180px;margin:0 auto;padding:0 18px;display:flex;overflow-x:auto;scrollbar-width:none}.channel-inner::-webkit-scrollbar{display:none}.channel-inner a{flex:0 0 auto;padding:10px 11px;color:#5F7082;text-decoration:none;font-size:14px;white-space:nowrap}.channel-inner a:hover,.channel-inner a.is-current{color:#0877C9;font-weight:700}.site-main{max-width:1180px;margin:0 auto;padding:26px 78px 64px 18px}.section{margin:0 0 48px}.page-hero{padding:42px 0 28px;max-width:840px}.eyebrow{display:inline-flex;padding:5px 12px;border-radius:999px;background:#EAF7FF;color:#0877C9;font-size:14px;font-weight:700}.page-hero h1,.reading h1{font-size:clamp(30px,4vw,44px);line-height:1.2;color:#0877C9;margin:14px 0}.lead{font-size:18px;color:#5F7082}.card{background:#fff;border:1px solid rgba(28,168,246,.12);border-radius:16px;box-shadow:0 16px 40px rgba(8,119,201,.08);padding:26px}.soft-card{background:#EAF7FF;border-radius:16px;padding:24px}.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.grid-asym{display:grid;grid-template-columns:minmax(0,58fr) minmax(0,42fr);gap:24px}.stack{display:grid;gap:18px}.card h2,.soft-card h2,.reading h2{color:#0877C9;line-height:1.35;margin-top:0}.card h3{color:#1D2A3A;margin-bottom:6px}.text-link{font-weight:700;text-decoration:none}.text-link:hover{text-decoration:underline}.media{position:relative;width:100%;max-width:100%;overflow:hidden;border-radius:14px;background:#EAF7FF;aspect-ratio:16/9}.media>img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;object-position:center center;display:block}.media-placeholder{position:absolute;inset:0;background:linear-gradient(135deg,#EAF7FF,#F4FBFF)}.media.medium{min-height:200px;max-height:240px}.media.card-media{min-height:150px;max-height:176px}.hero-slider{position:relative;background:#fff;border-radius:16px;overflow:hidden;box-shadow:0 16px 40px rgba(8,119,201,.08);height:clamp(280px,30vw,350px)}.hero-slide{display:none;position:absolute;inset:0}.hero-slide.is-active{display:block}.hero-slide img{width:100%;height:100%;object-fit:contain}.hero-slide .media-placeholder{position:absolute}.hero-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:3;width:42px;height:42px;border:0;border-radius:50%;background:rgba(255,255,255,.92);color:#0877C9;box-shadow:0 8px 22px rgba(8,119,201,.18);cursor:pointer}.hero-prev{left:14px}.hero-next{right:14px}.hero-dots{position:absolute;z-index:3;bottom:14px;left:0;right:0;display:flex;justify-content:center;gap:8px}.hero-dot{width:10px;height:10px;padding:0;border:0;border-radius:50%;background:#9ddfff;cursor:pointer}.hero-dot.is-active{background:#0877C9}.topic-scroll{display:flex;gap:10px;overflow-x:auto;padding:4px 2px 12px;scrollbar-width:thin}.topic-scroll a{flex:0 0 auto;padding:8px 15px;border-radius:999px;background:#fff;border:1px solid rgba(28,168,246,.18);text-decoration:none;font-weight:700}.reading{max-width:820px;margin-left:auto;margin-right:auto}.reading p,.reading li{font-size:17px}.reading ul,.reading ol{padding-left:22px}.split-note{display:grid;grid-template-columns:190px 1fr;gap:24px;align-items:start}.side-index{position:sticky;top:108px;background:#EAF7FF;border-radius:14px;padding:18px}.side-index a{display:block;padding:6px 0;text-decoration:none}.steps{counter-reset:step;display:grid;gap:14px}.step{position:relative;padding:20px 20px 20px 66px;background:#fff;border-radius:16px;border:1px solid rgba(28,168,246,.12)}.step:before{counter-increment:step;content:counter(step);position:absolute;left:20px;top:20px;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:#EAF7FF;color:#0877C9;font-weight:800}.notice-line{padding:16px 18px;border-left:4px solid #1CA8F6;background:#fff;border-radius:0 12px 12px 0}.service-links{display:flex;flex-wrap:wrap;gap:12px}.service-links a{padding:10px 14px;border-radius:12px;background:#fff;border:1px solid rgba(28,168,246,.14);text-decoration:none}.floating-tools{position:fixed;right:12px;top:32%;z-index:5000;width:94px;display:grid;gap:8px}.floating-tools a,.floating-tools button{border:1px solid rgba(28,168,246,.18);background:#fff;color:#0877C9;border-radius:12px;padding:9px 6px;text-align:center;text-decoration:none;font-size:13px;cursor:pointer}.floating-tools .float-main{background:linear-gradient(135deg,#38C7FF,#0877C9);color:#fff;border:0}.site-footer{background:#082A46;color:#EAF8FF;padding:46px 18px 24px}.footer-grid{max-width:1180px;margin:auto;display:grid;grid-template-columns:1.25fr 1fr 1fr 1fr;gap:30px}.site-footer h2{font-size:17px;color:#fff;margin:0 0 12px}.site-footer a{display:block;color:#EAF8FF;text-decoration:none;margin:7px 0}.site-footer p{color:#cdeeff}.footer-brand .site-logo{margin-bottom:12px}.footer-bottom{max-width:1180px;margin:28px auto 0;padding-top:22px;border-top:1px solid rgba(234,248,255,.2);font-size:14px}.mobile-bottom{display:none}.mobile-drawer,.drawer-mask{display:none}.faq-list details{background:#fff;border-radius:14px;border:1px solid rgba(28,168,246,.14);padding:16px 18px;margin:0 0 12px}.faq-list summary{font-weight:800;color:#0877C9;cursor:pointer}.faq-list p{margin-bottom:0}.table-like{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.table-like>div{background:#fff;border-radius:14px;padding:18px;border:1px solid rgba(28,168,246,.12)}
@media(max-width:980px){.site-header{position:sticky}.header-inner{min-height:64px;padding:0 12px;gap:8px}.menu-toggle{display:inline-flex;align-items:center;justify-content:center;flex:0 0 42px}.nav-core{display:none}.header-btn{min-width:84px;padding:0 13px;height:40px}.site-logo img{height:36px;max-width:142px}.channel-bar{display:none}.site-main{padding:18px 14px 92px}.floating-tools{display:none}.mobile-drawer{display:block;position:fixed;inset:0 auto 0 0;width:min(84vw,320px);background:#fff;z-index:12000;transform:translateX(-105%);transition:transform .2s ease;box-shadow:18px 0 40px rgba(8,119,201,.16)}.mobile-drawer.is-open{transform:translateX(0)}.drawer-mask{display:none;position:fixed;inset:0;background:rgba(8,42,70,.42);z-index:11000;opacity:0;pointer-events:none;transition:opacity .18s ease}.drawer-mask.is-visible{display:block;opacity:1;pointer-events:auto}body.drawer-open{overflow:hidden}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:13px 14px;border-bottom:1px solid #EAF7FF}.drawer-close{border:0;background:#EAF7FF;color:#0877C9;width:40px;height:40px;border-radius:12px;font-size:26px}.drawer-scroll{height:calc(100vh - 66px);overflow-y:auto;padding:10px 16px 32px}.drawer-scroll section{padding:8px 0 14px;border-bottom:1px solid #EAF7FF}.drawer-scroll h2{font-size:14px;color:#7A8A9A;margin:4px 0}.drawer-scroll a{display:block;padding:8px 2px;color:#1D2A3A;text-decoration:none}.grid-3{grid-template-columns:1fr}.grid-2,.grid-asym{grid-template-columns:1fr}.split-note{grid-template-columns:1fr}.side-index{position:static}.footer-grid{grid-template-columns:1fr 1fr}.mobile-bottom{position:fixed;z-index:8000;bottom:0;left:0;right:0;display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border-top:1px solid rgba(28,168,246,.18);padding:7px 4px calc(7px + env(safe-area-inset-bottom))}.mobile-bottom a{text-align:center;text-decoration:none;color:#0877C9;font-weight:700;font-size:14px}.hero-slider{height:clamp(220px,42vw,290px)}.page-hero{padding:28px 0 20px}.section{margin-bottom:36px}.table-like{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.header-inner{grid-template-columns:42px 1fr auto;display:grid}.site-logo{justify-self:center}.header-inner>.site-logo{min-width:0}.header-btn{font-size:14px}.hero-slider{height:clamp(150px,47vw,200px)}.footer-grid{grid-template-columns:1fr}.page-hero h1,.reading h1{font-size:clamp(26px,8vw,32px)}.lead{font-size:16px}.card,.soft-card{padding:20px}.reading p,.reading li{font-size:16px}.table-like{grid-template-columns:1fr}}