:root{--bg:#f2efe8;--ink:#151515;--muted:#756f67;--line:#d8d1c7;--blue:#4366e8;--yellow:#f2bd3e;--pink:#d96b8b;--green:#5aae87}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif}a{color:inherit;text-decoration:none}button,input{font:inherit}.container{width:min(1180px,92%);margin:auto}
.site-header{height:74px;position:sticky;top:0;z-index:50;background:rgba(242,239,232,.94);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:12px}.brand-mark{width:40px;height:40px;border-radius:50%;background:conic-gradient(var(--blue),var(--pink),var(--yellow),var(--green),var(--blue));display:grid;place-items:center;color:#fff;font-size:9px;font-weight:700}.brand-copy strong{display:block;font-size:15px}.brand-copy span{display:block;font-size:9px;color:#8d857a;letter-spacing:1.6px}.nav{display:flex;gap:25px;align-items:center}.nav a{font-size:10px;color:#666057}.nav a.active{color:#111}.nav-cta{background:#151515!important;color:#fff!important;padding:10px 14px;border-radius:999px}.mobile-nav{display:none}
.hero{padding:74px 0 65px}.hero-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:55px;align-items:center}.eyebrow,.section-kicker{font-size:9px;letter-spacing:2.6px;color:#8d7965}.hero h1{font-size:58px;line-height:1.03;letter-spacing:-2.3px;margin:18px 0 0}.hero p{font-size:12px;line-height:2;color:#756f67;margin-top:20px}.hero-actions{display:flex;gap:9px;margin-top:26px}.btn{border:1px solid var(--line);background:#fff;padding:10px 14px;border-radius:9px;font-size:10px;cursor:pointer;display:inline-flex;justify-content:center}.btn.primary{background:#151515;color:#fff;border-color:#151515}
.swatches{display:grid;grid-template-columns:repeat(4,1fr);height:330px;border-radius:22px;overflow:hidden;box-shadow:0 30px 80px rgba(70,50,30,.12)}.swatches div:nth-child(1){background:#141923}.swatches div:nth-child(2){background:#496be5}.swatches div:nth-child(3){background:#e1a638}.swatches div:nth-child(4){background:#eae3d8}
.section{padding:90px 0}.section-head{display:grid;grid-template-columns:.6fr 1.4fr;gap:55px;margin-bottom:40px}.section-head h2{font-size:35px;letter-spacing:-1.2px;margin:0}.section-head p{font-size:10px;line-height:2;color:#776f66}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.feature{border-top:1px solid #c9c0b6;padding-top:16px}.feature b{font-size:10px;color:#8f806e}.feature h3{font-size:15px;margin-top:23px}.feature p{font-size:10px;color:#746d64;line-height:1.9}
.page-hero{padding:56px 0 38px;background:#faf8f4;border-bottom:1px solid var(--line)}.page-hero h1{font-size:42px;letter-spacing:-1.4px;margin:10px 0 0}.page-hero p{font-size:11px;color:#756e65;line-height:1.9;max-width:700px}
.tool-wrap{padding:36px 0 86px}.tool{background:#fff;border:1px solid #ddd5ca;border-radius:20px;padding:24px;box-shadow:0 24px 65px rgba(60,45,30,.08)}.topgrid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.colorbox{min-height:290px;border-radius:16px;background:#5b74ef;display:flex;align-items:end;padding:20px;color:#fff}.controls{display:grid;gap:11px}.field label{display:block;font-size:9px;color:#777067;margin-bottom:6px}.field input{width:100%;height:45px;border:1px solid #ddd5ca;border-radius:9px;padding:0 11px;outline:0}.field input[type=color]{padding:4px;height:50px}.info{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:18px}.tile{background:#f4f0e9;border-radius:11px;padding:13px}.tile span{font-size:8px;color:#8b8277;display:block}.tile strong{font-size:12px;margin-top:5px;display:block}.contrast{margin-top:18px;border:1px solid #e0d8ce;border-radius:14px;padding:18px}.contrast-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}.preview{margin-top:13px;border-radius:10px;padding:20px;background:#111827;color:#fff}
.info-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:50px}.info-nav{position:sticky;top:100px;align-self:start;border-left:1px solid var(--line)}.info-nav a{display:block;padding:8px 13px;font-size:10px;color:#7c746b}.prose{background:#faf8f4;border:1px solid var(--line);padding:28px}.prose h2{font-size:24px;margin:0 0 12px}.prose h3{font-size:14px;margin:28px 0 9px}.prose p,.prose li{font-size:10px;line-height:2;color:#716a62}.prose ul{padding-left:18px}.info-table{border-top:1px solid var(--line);margin-top:18px}.info-row{display:grid;grid-template-columns:140px 1fr;padding:13px 0;border-bottom:1px solid var(--line);font-size:10px}.info-row span:first-child{color:#8a8177}
.site-footer{background:#151515;color:#77736d;padding:30px 0 42px}.footer-inner{display:flex;justify-content:space-between}.footer-title{color:#ddd6cd;font-size:11px}.footer-copy,.footer-meta{font-size:9px;line-height:1.9}.footer-meta{text-align:right}.notfound{min-height:100vh;display:grid;place-items:center;text-align:center}.code{font-size:100px;color:#d3ccc2}
@media(max-width:850px){.nav{display:none}.mobile-nav{display:block;font-size:10px}.hero-grid,.section-head,.info-layout,.topgrid{grid-template-columns:1fr}.hero h1{font-size:42px}.feature-grid{grid-template-columns:1fr}.info-nav{display:none}.info{grid-template-columns:1fr}.contrast-row{grid-template-columns:1fr}}