:root{--ink:#12252c;--muted:#617178;--line:#dfe9e7;--surface:#fff;--wash:#f5faf8;--brand:#0d9b83;--brand-dark:#087563;--accent:#d8f4ec;--danger:#b84b46;--shadow:0 18px 50px rgba(28,65,61,.09)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--surface);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.55}a{color:inherit}.wrap{width:min(1160px,calc(100% - 40px));margin:0 auto}.site-header{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.header-inner{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:12px;text-decoration:none}.brand-mark{width:36px;height:36px;border-radius:0;background:linear-gradient(145deg,#123f63,#0c314f);position:relative;box-shadow:0 5px 12px rgba(15,62,97,.2);flex:0 0 auto}.brand-photo{position:absolute;width:57%;height:67%;left:50%;top:50%;transform:translate(-50%,-50%);background:#fff}.brand-photo:before{content:"";position:absolute;inset:-3px;background:linear-gradient(#20c6b3,#20c6b3) left top/7px 2px no-repeat,linear-gradient(#20c6b3,#20c6b3) left top/2px 7px no-repeat,linear-gradient(#20c6b3,#20c6b3) right top/7px 2px no-repeat,linear-gradient(#20c6b3,#20c6b3) right top/2px 7px no-repeat,linear-gradient(#20c6b3,#20c6b3) left bottom/7px 2px no-repeat,linear-gradient(#20c6b3,#20c6b3) left bottom/2px 7px no-repeat,linear-gradient(#20c6b3,#20c6b3) right bottom/7px 2px no-repeat,linear-gradient(#20c6b3,#20c6b3) right bottom/2px 7px no-repeat}.brand-head,.brand-shoulders{position:absolute;display:block;left:50%;transform:translateX(-50%);background:#123f63}.brand-head{top:22%;width:29%;aspect-ratio:1;border-radius:50%}.brand-shoulders{bottom:15%;width:58%;height:31%;border-radius:50% 50% 25% 25%}.brand-check{position:absolute;right:3px;bottom:2px;width:11px;height:11px;border-radius:50%;background:#20c6b3;border:1.5px solid #fff}.brand-check:after{content:"";position:absolute;left:2px;top:2px;width:5px;height:3px;border-left:1.7px solid #fff;border-bottom:1.7px solid #fff;transform:rotate(-45deg)}.brand strong{display:block;font-size:16px;line-height:1.15}.brand small{display:block;color:var(--muted);font-size:11px}.nav{display:flex;gap:26px;color:#405158;font-size:14px}.nav a{text-decoration:none}.nav a:hover{color:var(--brand-dark)}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 22px;border-radius:10px;border:1px solid transparent;text-decoration:none;font-weight:750;transition:.2s ease}.button.primary{background:var(--brand);color:white;box-shadow:0 10px 22px rgba(13,155,131,.22)}.button.primary:hover{background:var(--brand-dark);transform:translateY(-1px)}.button.secondary{background:white;color:var(--ink);border-color:#cddbd8}.button.secondary:hover{border-color:var(--brand)}.button.small{min-height:40px;padding:0 16px;font-size:14px}
.hero{overflow:hidden;background:radial-gradient(circle at 82% 10%,var(--accent),transparent 31%),linear-gradient(180deg,#fbfefd,var(--wash));border-bottom:1px solid var(--line)}.hero-grid{min-height:625px;display:grid;grid-template-columns:1.04fr .96fr;align-items:center;gap:60px;padding:74px 0 66px}.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 11px;border-radius:99px;color:var(--brand-dark);background:var(--accent);font-size:12px;font-weight:800;letter-spacing:.07em;text-transform:uppercase}.eyebrow:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--brand)}h1{margin:20px 0 18px;max-width:720px;font-size:clamp(44px,5vw,68px);line-height:.99;letter-spacing:-.048em}.hero-copy>p{max-width:640px;margin:0;color:#4c6067;font-size:19px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0 24px}.trust-row{display:flex;flex-wrap:wrap;gap:10px 18px;color:#4a6266;font-size:13px}.trust-row span:before{content:"✓";color:var(--brand);font-weight:900;margin-right:6px}.visual-shell{position:relative;padding:28px;border-radius:28px;background:rgba(255,255,255,.68);border:1px solid rgba(255,255,255,.95);box-shadow:var(--shadow)}.visual-card{position:relative;min-height:430px;padding:26px;overflow:hidden;border-radius:21px;background:#e7f5f1}.visual-card:before{content:"";position:absolute;width:290px;height:290px;border-radius:50%;background:rgba(255,255,255,.45);top:-110px;right:-80px}.visual-label{position:relative;display:flex;align-items:center;justify-content:space-between;font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.07em}.visual-label span:last-child{background:white;border:1px solid var(--line);border-radius:99px;padding:5px 9px;color:var(--brand-dark)}.photo-frame{position:relative;width:230px;aspect-ratio:var(--photo-ratio,1/1);margin:40px auto 0;background:#fbfbf7;border:3px solid #fff;box-shadow:0 18px 38px rgba(40,77,73,.18);overflow:hidden}.photo-frame:before{content:"";position:absolute;width:91px;height:110px;border-radius:48% 48% 44% 44%;background:#d9bba5;left:50%;top:52px;transform:translateX(-50%);box-shadow:inset 0 12px 0 #394b4e}.photo-frame:after{content:"";position:absolute;width:170px;height:140px;border-radius:50% 50% 0 0;background:#405d65;left:50%;bottom:-61px;transform:translateX(-50%)}.guide{position:absolute;z-index:2;pointer-events:none}.guide.center{height:100%;left:50%;top:0;border-left:1px dashed rgba(13,155,131,.65)}.guide.eye{width:100%;left:0;top:44%;border-top:1px dashed rgba(13,155,131,.65)}.dimension{position:absolute;z-index:3;padding:5px 8px;border-radius:6px;background:var(--ink);color:#fff;font-size:10px;font-weight:750}.dimension.top{top:82px;right:22px}.dimension.bottom{bottom:22px;left:22px}.score-card{position:absolute;z-index:4;right:-10px;bottom:34px;width:175px;padding:15px;background:white;border:1px solid var(--line);border-radius:14px;box-shadow:0 14px 28px rgba(28,65,61,.14)}.score-card strong{display:block;font-size:14px}.score-card span{color:var(--muted);font-size:11px}.score-bar{height:6px;margin-top:10px;background:#e7efed;border-radius:99px;overflow:hidden}.score-bar i{display:block;width:86%;height:100%;background:var(--brand)}
.proof{border-bottom:1px solid var(--line)}.proof-inner{display:grid;grid-template-columns:repeat(4,1fr)}.proof-item{padding:27px 22px;border-right:1px solid var(--line)}.proof-item:first-child{padding-left:0}.proof-item:last-child{border-right:0}.proof-item strong{display:block;font-size:15px}.proof-item span{color:var(--muted);font-size:12px}.section{padding:86px 0}.section.soft{background:var(--wash);border-block:1px solid var(--line)}.section-head{max-width:720px;margin-bottom:38px}.section-head.center{margin-inline:auto;text-align:center}.kicker{color:var(--brand-dark);font-size:12px;font-weight:850;letter-spacing:.08em;text-transform:uppercase}h2{margin:9px 0 12px;font-size:clamp(31px,4vw,44px);line-height:1.08;letter-spacing:-.035em}.section-head p{margin:0;color:var(--muted);font-size:17px}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.step-card{padding:28px;background:white;border:1px solid var(--line);border-radius:17px;box-shadow:0 8px 24px rgba(35,68,65,.045)}.step-number{display:grid;place-items:center;width:42px;height:42px;border-radius:12px;background:var(--accent);color:var(--brand-dark);font-weight:900}.step-card h3{margin:22px 0 8px;font-size:20px}.step-card p{margin:0;color:var(--muted);font-size:14px}.requirements{display:grid;grid-template-columns:.88fr 1.12fr;gap:54px;align-items:start}.spec-sheet{padding:30px;border-radius:20px;background:var(--ink);color:white;box-shadow:var(--shadow)}.spec-sheet h3{margin:0 0 20px;font-size:22px}.spec{display:flex;justify-content:space-between;gap:20px;padding:15px 0;border-top:1px solid rgba(255,255,255,.13)}.spec span{color:#bdd0d2;font-size:13px}.spec strong{text-align:right;font-size:14px}.requirements-copy h2{margin-top:0}.check-list{margin:24px 0 0;padding:0;list-style:none}.check-list li{position:relative;padding:12px 0 12px 34px;border-top:1px solid var(--line);color:#42565d}.check-list li:before{content:"✓";position:absolute;left:0;top:12px;display:grid;place-items:center;width:21px;height:21px;border-radius:50%;background:var(--accent);color:var(--brand-dark);font-size:11px;font-weight:900}.source-note{margin-top:18px;padding:14px 16px;border-left:3px solid var(--brand);background:var(--wash);color:var(--muted);font-size:12px}.source-note a{color:var(--brand-dark);font-weight:750}
.examples{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.example{overflow:hidden;border:1px solid var(--line);border-radius:16px;background:white}.example-art{position:relative;height:190px;background:#eef5f3}.example-art:before{content:"";position:absolute;width:67px;height:82px;border-radius:48%;background:#d6b7a3;left:50%;top:34px;transform:translateX(-50%);box-shadow:inset 0 9px 0 #4a4d51}.example-art:after{content:"";position:absolute;width:122px;height:90px;border-radius:50% 50% 0 0;background:#546b75;left:50%;bottom:-35px;transform:translateX(-50%)}.example.bad-shadow .example-art{background:linear-gradient(90deg,#eef5f3 50%,#adb4b2 50%)}.example.bad-crop .example-art:before{left:34%;top:10px;transform:translateX(-50%) scale(1.35)}.example-copy{padding:18px}.example-copy b{display:inline-block;margin-bottom:7px;padding:4px 8px;border-radius:99px;background:var(--accent);color:var(--brand-dark);font-size:10px;text-transform:uppercase;letter-spacing:.08em}.example.bad .example-copy b{background:#fbe3df;color:var(--danger)}.example-copy strong{display:block}.example-copy p{margin:5px 0 0;color:var(--muted);font-size:13px}.print-panel{display:grid;grid-template-columns:.9fr 1.1fr;gap:60px;align-items:center}.print-art{padding:34px;border-radius:24px;background:linear-gradient(145deg,#dff3ed,#f8fbfa)}.print-art img{display:block;width:100%;filter:drop-shadow(0 20px 22px rgba(28,65,61,.13))}.print-copy ul{padding-left:20px;color:#41565d}.print-copy li{margin:9px 0}.faq{max-width:850px;margin:0 auto}details{border-top:1px solid var(--line)}details:last-child{border-bottom:1px solid var(--line)}summary{cursor:pointer;padding:21px 5px;font-weight:750;list-style:none}summary::-webkit-details-marker{display:none}summary:after{content:"+";float:right;color:var(--brand);font-size:22px;font-weight:400}details[open] summary:after{content:"−"}details p{margin:-5px 5px 22px;color:var(--muted)}.cta-panel{display:grid;grid-template-columns:1fr auto;align-items:center;gap:30px;padding:42px 48px;border-radius:24px;background:var(--ink);color:white}.cta-panel h2{margin:0 0 6px;font-size:34px}.cta-panel p{margin:0;color:#bfd0d2}.footer{padding:42px 0;border-top:1px solid var(--line);color:var(--muted);font-size:12px}.footer-grid{display:flex;justify-content:space-between;gap:28px}.footer p{max-width:760px;margin:0}.china{--brand:#b83b34;--brand-dark:#8f2824;--accent:#fae8e4;--wash:#fffaf7}.china .hero{background:radial-gradient(circle at 82% 10%,#ffe8c7,transparent 31%),linear-gradient(180deg,#fffdf9,#fff8f4)}.china .visual-card{background:#f7e8df}.china .photo-frame{--photo-ratio:33/48}.china .guide.center,.china .guide.eye{border-color:rgba(184,59,52,.62)}
@media(max-width:860px){.nav{display:none}.hero-grid,.requirements,.print-panel{grid-template-columns:1fr}.hero-grid{padding-top:54px;gap:42px}.visual-shell{max-width:560px}.proof-inner{grid-template-columns:1fr 1fr}.proof-item:nth-child(2){border-right:0}.proof-item{border-bottom:1px solid var(--line)}.steps,.examples{grid-template-columns:1fr}.cta-panel{grid-template-columns:1fr;padding:34px}}@media(max-width:560px){.wrap{width:min(100% - 24px,1160px)}.header-inner{min-height:64px}.header-inner>.button{display:none}h1{font-size:42px}.hero-grid{min-height:auto;padding:42px 0 50px}.hero-copy>p{font-size:16px}.hero-actions .button{width:100%}.visual-shell{padding:12px}.visual-card{min-height:390px;padding:20px 14px}.photo-frame{width:200px}.score-card{right:0}.proof-inner{grid-template-columns:1fr}.proof-item{border-right:0;padding-left:0}.section{padding:62px 0}.footer-grid{display:block}}