:root{--blue:#0284c7;--blue-dark:#0369a1;--green:#10b981;--ink:#0f172a;--muted:#64748b;--line:#e2e8f0;--bg:#f8fafc;--white:#fff;--radius:12px;--shadow:0 8px 24px rgba(15,23,42,.06);--shadow-hover:0 18px 34px rgba(2,132,199,.14)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}.container{width:min(1120px,calc(100% - 40px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(248,250,252,.84);backdrop-filter:blur(14px);border-bottom:1px solid rgba(226,232,240,.85)}.nav-wrap{height:72px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:10px;font-weight:750;letter-spacing:.01em;white-space:nowrap}.brand-mark{display:grid;place-items:center;width:32px;height:32px;border-radius:9px;background:var(--blue);color:#fff;font-size:15px;box-shadow:0 5px 12px rgba(2,132,199,.25)}.desktop-nav{display:flex;align-items:center;gap:26px;margin-left:auto;font-size:14px;color:#475569}.desktop-nav a{transition:color .2s ease}.desktop-nav a:hover{color:var(--blue)}.nav-cta{margin-left:4px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border-radius:10px;padding:11px 17px;font-size:14px;font-weight:650;line-height:1;transition:transform .24s ease,box-shadow .24s ease,background-color .24s ease,border-color .24s ease}.btn:hover{transform:translateY(-2px)}.btn-primary{background:var(--green);color:#052e25;box-shadow:0 8px 18px rgba(16,185,129,.22)}.btn-primary:hover{background:#0ea675;box-shadow:0 12px 24px rgba(16,185,129,.29)}.btn-outline{border:1px solid #94a3b8;background:rgba(255,255,255,.5);color:#334155}.btn-outline:hover{border-color:var(--blue);color:var(--blue);background:#fff}.btn-ghost{border:1px solid rgba(2,132,199,.35);color:var(--blue-dark);background:rgba(255,255,255,.35)}.btn-ghost:hover{border-color:var(--blue);background:#fff}
.hero{position:relative;overflow:hidden;background:linear-gradient(135deg,#e0f2fe 0%,#f1f5f9 53%,#ecfeff 100%);border-bottom:1px solid #e2e8f0}.hero-glow{position:absolute;inset:0;pointer-events:none;background:radial-gradient(circle at 50% 20%,rgba(125,211,252,.23),transparent 38%)}.hero-content{position:relative;min-height:490px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:72px 0}.eyebrow,.section-kicker{font-size:12px;font-weight:750;letter-spacing:.16em;color:var(--blue-dark)}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:#0e7490;letter-spacing:.1em}.eyebrow-dot{width:7px;height:7px;border-radius:999px;background:var(--green);box-shadow:0 0 0 5px rgba(16,185,129,.14)}h1,h2,h3,p{margin-top:0}h1{margin:18px 0 16px;font-size:clamp(42px,7vw,72px);line-height:1.08;letter-spacing:0;font-weight:800}.hero-subtitle{max-width:650px;margin-bottom:30px;font-size:18px;color:#475569}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}.hero-note{margin-top:24px;font-size:13px;color:#64748b}.hero-note span{color:var(--green);font-weight:800}
.section{padding:94px 0}.section-soft{background:#f1f5f9}.section-heading{max-width:620px;margin:0 auto 42px;text-align:center}.section-kicker{display:block;margin-bottom:9px}.section-heading h2{margin-bottom:10px;font-size:clamp(28px,4vw,40px);line-height:1.2;letter-spacing:0}.section-heading p{margin-bottom:0;color:var(--muted);font-size:16px}.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.info-card{background:var(--white);border:1px solid rgba(226,232,240,.9);border-radius:var(--radius);padding:25px 24px 24px;box-shadow:var(--shadow);transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease}.info-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:rgba(2,132,199,.24)}.card-icon{width:42px;height:42px;display:grid;place-items:center;border-radius:11px;font-size:21px;margin-bottom:19px}.card-icon.green{background:#d1fae5}.card-icon.blue{background:#e0f2fe}.card-icon.amber{background:#fef3c7}.card-icon.cyan{background:#cffafe}.card-icon.violet{background:#ede9fe}.card-icon.rose{background:#ffe4e6}.info-card h3{margin-bottom:7px;font-size:18px;line-height:1.35}.info-card p{margin-bottom:0;color:var(--muted);font-size:14px}
.faq-layout{display:grid;grid-template-columns:.78fr 1.22fr;gap:70px;align-items:start}.faq-heading{text-align:left;margin:0}.faq-heading h2{font-size:36px}.faq-heading p{max-width:380px;margin-bottom:22px}.text-link{display:inline-flex;gap:7px;align-items:center;color:var(--blue-dark);font-weight:650;font-size:14px}.text-link:hover{color:var(--blue)}.faq-list{display:flex;flex-direction:column;gap:10px}.faq-list details{background:#fff;border:1px solid var(--line);border-radius:10px;padding:0 20px;transition:box-shadow .24s ease,border-color .24s ease}.faq-list details[open]{border-color:rgba(2,132,199,.28);box-shadow:0 8px 20px rgba(15,23,42,.06)}summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:17px 0;font-size:15px;font-weight:650}summary::-webkit-details-marker{display:none}.summary-icon{position:relative;display:block;flex:none;width:18px;height:18px}.summary-icon:before,.summary-icon:after{content:"";position:absolute;top:8px;left:3px;width:12px;height:1.5px;background:#64748b;transition:transform .2s ease}.summary-icon:after{transform:rotate(90deg)}details[open] .summary-icon:after{transform:rotate(0)}details p{padding:0 32px 18px 0;margin:0;color:var(--muted);font-size:14px}
.about-section{background:#eaf6fb}.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}.about-copy{text-align:left}.about-copy h2{font-size:36px;line-height:1.2;margin-bottom:16px}.about-copy p{max-width:530px;color:#475569;font-size:15px}.about-panel{background:#fff;border:1px solid #dbeafe;border-radius:var(--radius);padding:26px 28px;box-shadow:var(--shadow)}.panel-line{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:14px 0;border-bottom:1px solid #eef2f7;font-size:14px}.panel-line:last-of-type{border-bottom:0}.panel-label{color:var(--muted)}.panel-line strong{font-size:14px}.panel-line a{color:var(--blue-dark);font-weight:650}.panel-badge{display:flex;align-items:center;gap:9px;margin-top:17px;padding:11px 13px;border-radius:9px;background:#ecfdf5;color:#047857;font-size:13px;font-weight:650}.panel-badge span{display:grid;place-items:center;width:18px;height:18px;border-radius:50%;background:var(--green);color:#fff;font-size:11px}
.contact-section{padding:70px 0;background:var(--blue-dark);color:#fff}.contact-inner{display:flex;align-items:center;justify-content:space-between;gap:24px}.contact-inner .section-kicker{color:#bae6fd}.contact-inner h2{margin-bottom:7px;font-size:32px;line-height:1.2}.contact-inner p{margin-bottom:0;color:#dbeafe}.contact-status{display:inline-flex;align-items:center;gap:9px;padding:11px 15px;border:1px solid rgba(186,230,253,.35);border-radius:10px;color:#e0f2fe;font-size:13px;white-space:nowrap}.contact-status span{color:#34d399;font-size:11px}
.site-footer{background:#0f172a;color:#cbd5e1}.footer-main{display:flex;align-items:center;gap:24px;padding:30px 0 22px}.footer-brand{color:#f8fafc}.footer-meta{font-size:13px;color:#94a3b8;margin-left:auto}.footer-domain{margin-left:8px;color:#cbd5e1}.footer-cta{border-color:#475569;color:#e2e8f0}.footer-cta:hover{background:#1e293b;border-color:#7dd3fc;color:#fff}.footer-note{display:flex;justify-content:space-between;gap:24px;padding:18px 0 24px;border-top:1px solid #1e293b;color:#94a3b8;font-size:12px}.footer-note code{color:#cbd5e1;font-family:inherit}
@media(max-width:900px){.desktop-nav{gap:16px}.faq-layout{gap:40px}.about-grid{gap:44px}}@media(max-width:768px){.container{width:min(100% - 32px,600px)}.nav-wrap{height:64px;gap:12px}.desktop-nav{display:none}.nav-cta{margin-left:auto;padding:10px 12px;font-size:13px}.hero-content{min-height:470px;padding:58px 0}.hero-subtitle{font-size:16px}.section{padding:72px 0}.card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.info-card{padding:21px 19px}.faq-layout,.about-grid{grid-template-columns:1fr;gap:34px}.faq-heading{text-align:center}.faq-heading p{margin-left:auto;margin-right:auto}.about-copy{text-align:center}.about-copy p{margin-left:auto;margin-right:auto}.about-panel{max-width:600px;margin:0 auto}.contact-inner{align-items:flex-start;flex-direction:column}.contact-inner .btn-primary{width:100%}.footer-main{flex-wrap:wrap;padding-top:26px}.footer-meta{margin-left:0;width:100%;order:3}.footer-cta{margin-left:auto}.footer-note{flex-direction:column;gap:9px}}@media(max-width:480px){h1{font-size:44px}.hero-actions{width:100%;flex-direction:column}.hero-actions .btn{width:100%}.card-grid{grid-template-columns:1fr}.section-heading h2,.about-copy h2{font-size:30px}.footer-main{gap:14px}.footer-cta{padding:10px 12px;font-size:13px}}