:root{--bg:#f6f8fb;--ink:#162033;--muted:#667085;--line:#e5e9f0;--blue:#246bfd;--blue2:#6ea8ff;--green:#16a36d;--card:#fff;--dark:#0b1730;--orange:#ff7a45;--r:22px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.72}a{text-decoration:none;color:inherit}.wrap{width:min(1160px,calc(100% - 36px));margin:auto}.nav{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.93);backdrop-filter:blur(16px);border-bottom:1px solid rgba(229,233,240,.9)}.navin{height:70px;display:flex;align-items:center;justify-content:space-between;gap:22px}.logo{display:flex;gap:10px;align-items:center;font-weight:900;font-size:20px}.mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--blue),#57c3ff);display:grid;place-items:center;color:#fff;box-shadow:0 8px 25px #246bfd33}.menu{display:flex;gap:24px;color:#475467;font-size:14px}.cta{display:inline-flex;align-items:center;justify-content:center;padding:12px 20px;border-radius:999px;background:var(--blue);color:#fff;font-weight:750;box-shadow:0 10px 28px #246bfd2e}.cta.alt{background:#fff;color:var(--blue);border:1px solid #b8cdfd;box-shadow:none}.hero{padding:82px 0 56px;background:radial-gradient(circle at 80% 10%,#dfeaff 0,transparent 33%),linear-gradient(180deg,#fff,#f6f8fb)}.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:52px;align-items:center}.eyebrow{display:inline-flex;gap:8px;align-items:center;padding:6px 12px;border:1px solid #cbd9ff;border-radius:999px;color:#2958c8;background:#eef4ff;font-size:13px;font-weight:800}.hero h1{font-size:clamp(38px,5vw,66px);line-height:1.08;margin:22px 0 20px;letter-spacing:-2px}.grad{background:linear-gradient(90deg,var(--blue),#25a8e7);-webkit-background-clip:text;background-clip:text;color:transparent}.lead{font-size:19px;color:#596579;max-width:720px}.actions{display:flex;gap:14px;flex-wrap:wrap;margin:30px 0}.proof{display:flex;gap:28px;flex-wrap:wrap;color:#6b7484;font-size:14px}.proof b{display:block;color:#15213a;font-size:20px}.phone{position:relative;background:#101828;border-radius:38px;padding:12px;width:min(345px,90%);margin:auto;box-shadow:0 35px 80px #1939702f}.screen{background:linear-gradient(180deg,#eef5ff,#fff);border-radius:28px;overflow:hidden;min-height:610px}.phero{height:190px;background:linear-gradient(135deg,#2a73ff,#33b37c);padding:24px;color:#fff}.phero .small{opacity:.83;font-size:12px}.phero h3{font-size:27px;line-height:1.25;margin:40px 0 4px}.chips{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;padding:18px}.chip{background:#fff;border:1px solid #e6ebf2;border-radius:15px;padding:12px 4px;text-align:center;font-size:11px}.chip i{display:block;font-style:normal;font-size:22px}.route{margin:0 18px 14px;padding:14px;background:#fff;border:1px solid #e9edf3;border-radius:17px}.route b{font-size:14px}.route p{margin:3px 0;color:#7a8495;font-size:11px}.tags{display:flex;gap:6px;flex-wrap:wrap}.tags span{font-size:10px;padding:3px 7px;border-radius:999px;background:#eef4ff;color:#3465d9}.section{padding:76px 0}.section h2{font-size:clamp(29px,3.4vw,44px);line-height:1.18;margin:0 0 14px}.sub{color:var(--muted);max-width:760px;margin:0 0 34px}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:24px;box-shadow:0 8px 28px rgba(16,24,40,.035)}.card h3{margin:12px 0 8px;font-size:19px}.card p{margin:0;color:var(--muted);font-size:14px}.ico{width:48px;height:48px;border-radius:15px;background:#eef4ff;display:grid;place-items:center;font-size:23px}.dark{background:var(--dark);color:#fff}.dark .sub{color:#aebbd3}.dark .card{background:#12203e;border-color:#253757}.dark .card p{color:#b9c5da}.pill{display:inline-block;padding:5px 10px;border-radius:999px;background:#eaf7f1;color:#137654;font-size:12px;font-weight:800}.pricing{font-size:31px;font-weight:900;margin:12px 0}.feature-list{padding:0;margin:16px 0 0;list-style:none}.feature-list li{padding:7px 0;border-bottom:1px dashed #e5e9f0;font-size:14px;color:#4a5568}.feature-list li:before{content:'✓';color:var(--green);font-weight:900;margin-right:8px}.steps{counter-reset:s}.step{position:relative;padding-left:58px}.step:before{counter-increment:s;content:counter(s);position:absolute;left:0;top:0;width:38px;height:38px;border-radius:12px;background:#eaf1ff;color:var(--blue);font-weight:900;display:grid;place-items:center}.faq{max-width:880px}.faq details{background:#fff;border:1px solid var(--line);border-radius:16px;padding:17px 20px;margin:12px 0}.faq summary{cursor:pointer;font-weight:800}.faq p{color:var(--muted);margin:12px 0 2px}.banner{padding:32px;border-radius:28px;background:linear-gradient(120deg,#1d64f2,#25a8d8);color:#fff;display:flex;align-items:center;justify-content:space-between;gap:24px}.banner h2{margin:0 0 6px;font-size:32px}.banner p{margin:0;opacity:.87}.footer{padding:42px 0;background:#091225;color:#9faecc}.footer b{color:#fff}.footgrid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}.footer a{display:block;margin:7px 0}.article{max-width:900px;margin:auto}.article h1{font-size:clamp(34px,5vw,54px);line-height:1.15}.article h2{font-size:27px;margin-top:44px}.article p,.article li{color:#4e596d}.toc{background:#f2f6ff;border:1px solid #dae6ff;border-radius:18px;padding:18px 22px}.kws{display:flex;gap:8px;flex-wrap:wrap}.kws span{font-size:12px;padding:5px 9px;border:1px solid #d9e2ef;border-radius:999px;color:#657187}.crumb{font-size:13px;color:#7b8494;margin-bottom:16px}.table-wrap{overflow:auto}.tbl{width:100%;border-collapse:collapse;background:#fff}.tbl th,.tbl td{padding:13px;border:1px solid #e4e8ee;text-align:left;font-size:14px}.tbl th{background:#f6f8fb}.notice{background:#fff9ed;border:1px solid #ffe2a8;border-radius:16px;padding:16px 18px;color:#7a5310}
@media(max-width:900px){.menu{display:none}.hero{padding-top:52px}.hero-grid{grid-template-columns:1fr}.phone{width:330px}.grid3,.grid4{grid-template-columns:1fr 1fr}.footgrid{grid-template-columns:1fr}.banner{align-items:flex-start;flex-direction:column}.hero h1{letter-spacing:-1px}}
@media(max-width:600px){.wrap{width:min(100% - 24px,1160px)}.grid3,.grid4{grid-template-columns:1fr}.section{padding:58px 0}.phone{width:300px}.screen{min-height:560px}.hero h1{font-size:42px}.navin{height:62px}.nav .cta{padding:9px 13px;font-size:13px}.proof{gap:16px}}