:root{--ink:#12212e;--muted:#5a6b78;--brand:#d81159;--brand2:#ff8c42;--accent:#e63946;--bg:#fff;--alt:#fff6ec;--radius:14px}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);line-height:1.6;background:var(--bg)}
a{color:var(--brand)}img{max-width:100%;height:auto}
.site-header{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.8rem clamp(1rem,4vw,3rem);background:rgba(255,255,255,.94);backdrop-filter:blur(8px);border-bottom:1px solid #dde6ea}
.brand{display:flex;align-items:center;gap:.6rem;text-decoration:none;color:var(--ink);font-weight:800;font-size:1.15rem}
.brand small{font-weight:500;color:var(--muted)}
.site-nav{display:flex;gap:1.2rem}.site-nav a{text-decoration:none;color:var(--ink);font-weight:600}
.nav-toggle{display:none}
.hero{display:grid;grid-template-columns:1.05fr .95fr;gap:2rem;align-items:center;padding:clamp(2rem,6vw,5rem) clamp(1rem,4vw,3rem)}
.eyebrow{text-transform:uppercase;letter-spacing:.12em;color:var(--brand2);font-weight:700;font-size:.82rem}
h1{font-size:clamp(2rem,4.5vw,3.4rem);line-height:1.12;margin:.4rem 0 1rem}
.lead{font-size:1.12rem;color:var(--muted)}
.btn{display:inline-block;padding:.72rem 1.25rem;border-radius:999px;text-decoration:none;font-weight:700;border:1px solid var(--brand)}
.btn-primary{background:var(--brand);color:#fff}.btn-ghost{color:var(--brand);background:transparent}
.hero-actions{display:flex;gap:.8rem;flex-wrap:wrap}
.hero-points{display:flex;gap:1rem;flex-wrap:wrap;padding:0;list-style:none;color:var(--muted);font-size:.95rem}
.hero-img{border-radius:var(--radius)}
.section{padding:clamp(2rem,5vw,4rem) clamp(1rem,4vw,3rem);max-width:1200px;margin:0 auto}
.section-alt{background:var(--alt);max-width:none}.section-alt>*{max-width:1200px;margin-left:auto;margin-right:auto}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-top:1.2rem}
.card{background:#fff;border:1px solid #dde6ea;border-radius:var(--radius);padding:1.25rem}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.stats div{border-left:4px solid var(--brand2);padding:.4rem 0 .4rem 1rem}
.stats strong{display:block;font-size:1.2rem}.stats span{color:var(--muted)}
.contact-list{line-height:2}
.contact-form{display:grid;gap:.9rem;max-width:560px;margin-top:1.5rem}
.contact-form label{display:grid;gap:.3rem;font-weight:600}
.contact-form input,.contact-form textarea{padding:.7rem;border:1px solid #b9c7cf;border-radius:10px;font:inherit}
.note{color:var(--muted);font-size:.92rem}
.site-footer{padding:2rem clamp(1rem,4vw,3rem);border-top:1px solid #dde6ea;color:var(--muted)}
@media (max-width:820px){.hero{grid-template-columns:1fr}.cards{grid-template-columns:1fr}.stats{grid-template-columns:1fr 1fr}
.nav-toggle{display:block;background:none;border:1px solid #b9c7cf;border-radius:8px;padding:.45rem .8rem}
.site-nav{display:none;position:absolute;right:1rem;top:4.2rem;flex-direction:column;background:#fff;border:1px solid #dde6ea;border-radius:12px;padding:1rem}
.site-nav.open{display:flex}}