:root{--blue:#0b5cff;--blue2:#004ee6;--text:#101828;--muted:#667085;--line:#e5edff;--soft:#f6f9ff;--card:#fff}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--text);background:linear-gradient(180deg,#fff 0%,#f8fbff 58%,#fff 100%)}.topbar{height:76px;padding:0 clamp(22px,5vw,76px);display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);background:rgba(255,255,255,.9);backdrop-filter:blur(18px);position:sticky;top:0;z-index:5}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--text);font-size:23px;font-weight:850}.brand span{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;color:#fff;background:linear-gradient(135deg,var(--blue),#4aa3ff);font-weight:850;box-shadow:0 14px 34px rgba(11,92,255,.22)}.header-contact{appearance:none;border:1px solid #dbe7ff;border-radius:999px;background:#f5f9ff;color:var(--blue);font:inherit;font-size:15px;font-weight:800;padding:8px 15px;cursor:pointer}.header-contact:hover{background:#ecf4ff}.hero{min-height:calc(100vh - 76px);padding:clamp(56px,8vh,88px) 24px 68px;text-align:center;display:flex;flex-direction:column;align-items:center;justify-content:center}.domain-card{display:block;max-width:min(1040px,94vw);padding:0;background:transparent;border:0;box-shadow:none}.domain-card span{display:none}.domain-card h1{margin:0;font-size:clamp(64px,9vw,126px);line-height:.95;letter-spacing:0;font-weight:900;overflow-wrap:anywhere}.hero h2{max-width:900px;margin:38px 0 0;font-size:clamp(28px,3.8vw,54px);line-height:1.18;letter-spacing:0;font-weight:850}.subtitle{max-width:720px;margin:24px auto 0;color:var(--muted);font-size:clamp(16px,1.55vw,21px);line-height:1.72;font-weight:560}.primary,.submit{border:0;border-radius:12px;background:linear-gradient(180deg,#1668ff,#004ee6);color:#fff;font-weight:850;cursor:pointer;box-shadow:0 20px 46px rgba(11,92,255,.28);transition:transform .16s ease,box-shadow .16s ease,background .16s ease}.primary{min-width:246px;height:62px;margin-top:44px;padding:0 36px;font-size:20px}.primary:hover,.submit:hover{background:linear-gradient(180deg,#2474ff,#0045ce);box-shadow:0 26px 54px rgba(11,92,255,.34)}.primary:active,.submit:active{transform:translateY(1px)}.contact-layer{scroll-margin-top:76px;padding:82px 22px 96px;background:linear-gradient(180deg,#f7faff 0%,#fff 100%);border-top:1px solid var(--line);display:flex;justify-content:center}.form-card{width:min(680px,100%);background:var(--card);border:1px solid var(--line);border-radius:22px;padding:38px;box-shadow:0 30px 90px rgba(16,24,40,.13)}.form-card h3{text-align:center;margin:0 0 28px;font-size:30px;line-height:1.2}.fields{display:grid;grid-template-columns:1fr 1fr;gap:18px}label{font-size:14px;font-weight:750;color:#344054}label span{color:#df3131}input,textarea{width:100%;margin-top:8px;border:1px solid #d8deea;border-radius:10px;padding:14px 15px;font:inherit;font-size:15px;outline:0;background:#fff;transition:border .16s ease,box-shadow .16s ease}input:focus,textarea:focus{border-color:#9dbbff;box-shadow:0 0 0 4px rgba(11,92,255,.1)}textarea{min-height:128px;resize:vertical}.full{grid-column:1/-1}.submit{width:100%;height:56px;margin-top:18px;font-size:17px}.privacy,.status{text-align:center;color:#667085;font-size:13px}.status{min-height:20px;color:var(--blue);font-weight:800}footer{border-top:1px solid var(--line);padding:28px 24px 34px;display:flex;gap:18px;justify-content:center;color:#667085}footer a{color:var(--blue);text-decoration:none;font-weight:800}@media (max-width:760px){.topbar{height:68px;padding:0 18px}.brand{font-size:19px}.brand span{width:36px;height:36px}.header-contact{display:none}.hero{min-height:calc(100svh - 68px);padding:42px 18px 46px}.domain-card{max-width:100%}.domain-card h1{font-size:clamp(46px,14vw,66px)}.hero h2{margin-top:26px;font-size:clamp(24px,7vw,34px);line-height:1.22}.subtitle{max-width:320px;font-size:15px;line-height:1.65}.primary{width:min(100%,260px);height:56px;margin-top:30px;font-size:17px}.contact-layer{scroll-margin-top:68px;padding:52px 16px 68px}.form-card{padding:26px 18px;border-radius:18px;box-shadow:0 20px 58px rgba(16,24,40,.12)}.fields{grid-template-columns:1fr;gap:15px}.form-card h3{font-size:25px}}
.success-modal{position:fixed;inset:0;z-index:20;display:grid;place-items:center;background:rgba(16,24,40,.18);opacity:0;pointer-events:none;transition:opacity .18s ease;padding:20px}.success-modal.show{opacity:1;pointer-events:auto}.success-box{position:relative;width:min(420px,92vw);border:1px solid #d7e4ff;border-radius:18px;background:#fff;padding:30px 28px;text-align:center;box-shadow:0 28px 90px rgba(16,24,40,.2)}.success-box:before{content:'✓';display:grid;place-items:center;width:58px;height:58px;margin:0 auto 16px;border-radius:50%;background:linear-gradient(180deg,#16a34a,#059669);color:#fff;font-size:32px;font-weight:900}.success-box b{display:block;font-size:24px;margin-bottom:8px}.success-box p{margin:0;color:#667085;line-height:1.7}.success-close{position:absolute;right:14px;top:10px;border:0;background:transparent;color:#667085;font-size:28px;cursor:pointer}.submit:disabled{opacity:.72;cursor:not-allowed;box-shadow:none}