:root{--ink:#172337;--muted:#617086;--orange:#ed681c;--line:#e3e8ef;--paper:#f7f8fa}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:88px}body{margin:0;background:white;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;line-height:1.75}a{color:inherit;text-decoration:none}a:hover{text-decoration:underline}a:focus-visible,summary:focus-visible{outline:3px solid #ffb26c;outline-offset:5px}.shell{width:min(1160px,calc(100% - 64px));margin:auto}.skip-link{position:absolute;left:16px;top:-60px;background:white;padding:10px;z-index:99}.skip-link:focus{top:10px}
.site-header{min-height:82px;padding:16px max(32px,calc((100vw - 1160px)/2));display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid var(--line);background:white}.home-brand{display:flex;align-items:center;gap:10px;font-size:23px;font-weight:850;white-space:nowrap}.home-brand small{font-size:12px;font-weight:500;color:var(--muted);margin-left:8px}.home-mark{width:36px;height:36px;background:var(--ink);color:white;display:grid;place-items:center;font-size:21px;border-radius:9px}.site-header nav{display:flex;gap:25px;align-items:center;font-size:13px}
.button{display:inline-flex;align-items:center;justify-content:center;gap:18px;background:var(--orange);color:#fff;border:1px solid var(--orange);border-radius:9px;font-weight:750;font-size:14px;padding:12px 19px;min-height:46px}.button:hover{background:#ce5310;text-decoration:none}.button.secondary{color:var(--ink);border-color:#cbd4e0;background:#fff}.button.secondary:hover{background:var(--paper)}.button.small{min-height:40px;padding:7px 15px;font-size:13px}
.home-hero{display:grid;grid-template-columns:1.2fr 1fr;gap:90px;align-items:center;padding-top:76px;padding-bottom:80px}.eyebrow{font-size:12px;color:#a24b1d;font-weight:750;letter-spacing:.07em;margin:0 0 15px}.hero-copy h1{font-size:clamp(40px,4.4vw,62px);line-height:1.2;letter-spacing:-.04em;margin:0 0 24px;font-weight:850}.hero-copy h1 span{color:var(--orange)}.hero-lead{font-size:17px;color:var(--muted);max-width:520px;margin:0 0 28px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px}.benefit,.hero-note{font-size:13px;color:#a34c17;margin:18px 0 0}.benefit small{font-size:11px;color:var(--muted)}.hero-note{color:var(--muted)}
.profit-example{border:1px solid #d6dfe9;border-radius:17px;padding:27px 30px;background:#fff;box-shadow:0 18px 55px #182e4610}.example-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:12px;color:var(--muted)}.demo-tag{background:#eef2f7;border-radius:5px;padding:2px 8px;font-size:11px}.profit-example h2{font-size:20px;margin:12px 0 18px}.profit-example dl{margin:0}.profit-example dl>div{display:flex;justify-content:space-between;padding:10px 0;border-top:1px solid #edf0f4;font-size:14px}.profit-example dt{color:var(--muted)}.profit-example dd{font-variant-numeric:tabular-nums;margin:0;font-weight:700}.profit-example .example-profit{border-top:2px solid var(--ink);padding-top:17px;margin-top:8px;align-items:center}.example-profit dt{color:var(--ink);font-weight:700}.example-profit dt small{display:block;color:var(--muted);font-weight:400;font-size:12px}.example-profit dd{font-size:36px;color:#21724d;line-height:1.1}.example-profit dd small{font-size:12px;margin-left:5px}.profit-example>p{font-size:11px;color:var(--muted);margin:17px 0 0}
.home-section{padding-top:65px;padding-bottom:70px;border-top:1px solid var(--line)}.home-section h2,.home-how h2,.home-cta h2{font-size:28px;line-height:1.5;margin:0 0 30px;letter-spacing:-.03em}.use-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:26px}.use-grid article{border:1px solid var(--line);border-radius:12px;padding:26px;display:flex;flex-direction:column}.use-number{font-size:12px;font-weight:700;color:#ac592c}.use-grid h3{font-size:21px;line-height:1.5;margin:12px 0}.use-grid p{font-size:14px;color:var(--muted);margin:0 0 20px}.use-input{font-size:12px;color:#4f6178;border-top:1px solid var(--line);padding-top:16px;margin-top:auto}.use-grid a{font-weight:750;color:#b44e16;font-size:13px;margin-top:20px}
.home-how{background:var(--paper);padding:62px 0}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:25px}.section-heading h2{margin-bottom:24px}.section-heading>p{font-size:12px;color:var(--muted);margin-bottom:28px}.section-heading>p a{display:block;color:#b44e16}.start-steps{display:grid;grid-template-columns:repeat(3,1fr);list-style:none;padding:0;margin:0;gap:35px}.start-steps li{display:flex;gap:15px}.start-steps li>span{flex-shrink:0;border:1px solid #d6dce5;border-radius:50%;width:33px;height:33px;display:grid;place-items:center;background:white;font-weight:750}.start-steps h3{font-size:16px;margin:0 0 8px}.start-steps p{font-size:13px;color:var(--muted);margin:0}
.home-faq{display:grid;grid-template-columns:1fr 1.5fr;gap:90px;border:0}.faq-list details{border-bottom:1px solid var(--line);padding:16px 0}.faq-list summary{cursor:pointer;font-size:15px;font-weight:700}.faq-list p{font-size:13px;color:var(--muted);margin-bottom:0}.home-cta{background:#16263b;color:white;padding:35px 38px;display:flex;align-items:center;justify-content:space-between;gap:28px;border-radius:13px}.home-cta h2{font-size:24px;margin:0 0 6px}.home-cta p{color:#b6c3d4;font-size:13px;margin:0}.home-cta .button{flex-shrink:0}.home-footer{padding-top:40px;padding-bottom:32px;display:flex;flex-wrap:wrap;align-items:center;gap:18px;color:var(--muted)}.home-footer .home-brand{font-size:18px;color:var(--ink)}.home-footer p{font-size:11px;margin:0}.home-footer nav{display:flex;gap:17px;font-size:11px;margin-left:auto}
@media(max-width:1050px){.home-brand small{display:none}.home-hero{gap:36px}.hero-actions .button{font-size:12px}.site-header nav{gap:16px}.home-faq{gap:40px}}
@media(max-width:760px){.shell{width:calc(100% - 36px)}.site-header{padding:14px 18px}.site-header nav>a[href^="#"]{display:none}.home-hero{grid-template-columns:1fr;padding-top:43px;padding-bottom:45px;gap:35px}.hero-copy h1{font-size:44px}.hero-lead{font-size:16px}.profit-example{padding:24px}.home-section{padding-top:40px;padding-bottom:40px}.home-section h2,.home-how h2{font-size:24px;margin-bottom:23px}.use-grid{gap:14px}.use-grid article{padding:22px}.home-how{padding:38px 0}.section-heading{display:block}.start-steps{grid-template-columns:1fr;gap:24px}.home-faq{grid-template-columns:1fr;gap:0}.home-faq h2 br{display:none}.home-cta{padding:26px;flex-direction:column;align-items:start}.home-cta h2{font-size:22px}.home-footer{gap:12px;padding-bottom:75px}.home-footer nav{margin-left:0;flex-wrap:wrap}.home-footer p{width:100%}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}