:root{--ink:#132e42;--muted:#607685;--paper:#f7f8f6;--line:#dce4e6;--accent:#286aee;--tint:#eaf1ff;font-family:"Microsoft YaHei","PingFang SC",sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0}button,a,summary{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:4px}img{display:block;max-width:100%;height:auto}p{line-height:1.9;margin:16px 0}h1,h2,h3,p{overflow-wrap:anywhere}h1,h2,h3{font-weight:650}h1{font-size:clamp(38px,5.8vw,76px);line-height:1.2;letter-spacing:-.04em;margin:20px 0 28px}h2{font-size:clamp(30px,4vw,50px);line-height:1.3;letter-spacing:-.03em;margin:12px 0 22px}h3{font-size:21px;line-height:1.5;margin:10px 0}small,.fine{font-size:12px;line-height:1.8;color:var(--muted)}.wrap{width:min(1180px,calc(100% - 72px));margin:auto}.eyebrow{font-size:11px;letter-spacing:.2em;color:var(--accent);font-weight:700;text-transform:uppercase}.pill{display:inline-flex;padding:8px 12px;border:1px solid var(--line);border-radius:99px;font-size:12px;color:var(--muted);margin:6px 8px 0 0}.section{padding:100px 0}.section:nth-of-type(even){background:#fff}.intro{max-width:680px;color:var(--muted);font-size:16px}.topbar{height:76px;position:sticky;top:0;z-index:30;background:rgba(247,248,246,.96);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.topbar .wrap{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}.logo{font-size:23px;font-weight:800;letter-spacing:-1px}.logo b{color:var(--accent)}.logo span{display:block;font-size:9px;letter-spacing:.16em;color:var(--muted);font-weight:400;margin-top:3px}.nav{display:flex;gap:26px;font-size:13px}.nav a:hover{color:var(--accent)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:12px;border:0;border-radius:6px;background:var(--accent);color:white;padding:15px 24px;font-size:14px;font-weight:600}.btn.light{background:#fff;color:var(--ink);border:1px solid var(--line)}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}.hero{position:relative;overflow:hidden;padding:60px 0 45px;background:radial-gradient(ellipse at 76% 36%,var(--tint),transparent 57%)}.hero-grid{display:grid;grid-template-columns:1fr 1fr;align-items:center;min-height:590px;gap:20px}.hero-copy{z-index:1}.hero-copy>p{max-width:470px;color:var(--muted);font-size:16px}.hero-art{position:relative;min-height:460px;display:flex;align-items:center}.hero-art:before{content:"";position:absolute;width:90%;aspect-ratio:1;background:linear-gradient(140deg,#fff,var(--tint));border:1px solid #ffffffb3;border-radius:50%;left:5%;top:0}.hero-art img{position:relative;width:100%;object-fit:contain;filter:drop-shadow(0 28px 20px #13314d12);z-index:1}.art-label{position:absolute;bottom:4px;right:10px;font-size:10px;color:var(--muted);z-index:2}.hero-foot{display:flex;justify-content:space-between;border-top:1px solid var(--line);padding-top:22px;margin-top:20px;font-size:11px;color:var(--muted)}.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:40px}.metric strong{display:block;font-size:30px;letter-spacing:-.04em;color:var(--accent);font-weight:650}.metric span{font-size:12px;color:var(--muted)}.section-head{display:flex;justify-content:space-between;gap:40px;align-items:end;margin-bottom:44px}.section-head p{max-width:390px;color:var(--muted);font-size:14px}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:30px}.card{padding:32px;border-top:1px solid var(--line);background:linear-gradient(#fff0,#eef3f34d)}.card .num{font-size:11px;letter-spacing:.12em;color:var(--accent)}.card p{font-size:14px;color:var(--muted);margin:10px 0}.dark{background:#132e42!important;color:#fff}.dark .eyebrow{color:#8db8fc}.dark p,.dark .fine{color:#b8c9d2}.dark .card{background:#ffffff06;border-color:#ffffff26}.feature{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center;margin:75px 0}.feature:last-child{margin-bottom:0}.feature.reverse .visual{order:2}.visual{position:relative;border-radius:12px;overflow:hidden;background:var(--tint);min-height:300px;display:grid;place-items:center}.visual img{width:100%;object-fit:contain;max-height:440px}.visual.scene img{object-fit:cover;aspect-ratio:1.5}.visual .fine{position:absolute;bottom:8px;left:16px;color:#40566c;background:#ffffffde;padding:4px 8px;font-size:10px}.feature-copy p{font-size:15px;color:var(--muted)}.feature-copy .detail{padding:18px 0;border-top:1px solid var(--line);font-size:12px;color:var(--accent)}.notice{padding:22px 26px;background:var(--tint);border-left:3px solid var(--accent);font-size:13px;line-height:1.9;color:var(--muted);margin-top:38px}.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.step{position:relative;border-top:2px solid var(--accent);padding-top:22px}.step b{font-size:12px;color:var(--accent);font-weight:500}.step h3{font-size:20px}.step p{font-size:13px;color:var(--muted)}.step:not(:last-child):after{content:'→';position:absolute;right:0;top:18px;color:var(--accent)}.dark .step p{color:#b8c9d2}.dark .step{border-color:#88b6ef}.dark .step b,.dark .step:after{color:#88b6ef}.benefits{display:grid;grid-template-columns:1fr 1fr;gap:30px 65px;margin-top:40px}.benefit{padding:16px 0 24px;border-bottom:1px solid var(--line)}.benefit p{color:var(--muted);font-size:14px}.variant-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:40px}.variant-grid.three{grid-template-columns:repeat(3,1fr)}.variant{background:#fff;border:1px solid var(--line);padding:30px;border-radius:12px}.variant img{height:200px;width:100%;object-fit:contain}.variant p,.variant li{font-size:13px;color:var(--muted);line-height:2}.variant ul{padding-left:18px}.selector{display:flex;gap:10px;margin:25px 0;flex-wrap:wrap}.choice{padding:11px 20px;border-radius:99px;border:1px solid var(--line);background:#fff;font-size:13px}.choice[aria-pressed=true]{background:var(--ink);color:white;border-color:var(--ink)}.selection{font-size:13px;color:var(--muted);min-height:24px}.spec-wrap{overflow:auto;border:1px solid var(--line);border-radius:9px;margin-top:32px}.specs{border-collapse:collapse;width:100%;font-size:13px;background:#fff}.specs th,.specs td{text-align:left;padding:17px 22px;border-bottom:1px solid var(--line);line-height:1.7;min-width:140px}.specs thead th{background:var(--tint);font-weight:600}.specs tr:last-child td{border:0}.specs td:first-child{width:26%;color:var(--muted)}.faq{margin-top:30px}.faq details{border-bottom:1px solid var(--line);padding:23px 0}.faq summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;font-size:16px;gap:25px}.faq summary:after{content:'+';font-size:23px;color:var(--accent)}.faq details[open] summary:after{content:'−'}.faq details p{max-width:900px;color:var(--muted);font-size:14px;padding-right:25px}.bundle{display:grid;grid-template-columns:repeat(3,1fr);gap:25px;margin:40px 0}.bundle a{padding:30px;border:1px solid var(--line);border-radius:10px;transition:transform .2s}.bundle a:hover{transform:translateY(-5px);border-color:var(--accent)}.bundle img{height:140px;width:100%;object-fit:contain}.bundle h3{font-size:18px}.bundle span{font-size:12px;color:var(--muted)}.checkout{margin:20px 0}.checkout li{font-size:14px;color:var(--muted);line-height:2.2}.bottom-cta{padding:80px 0;background:var(--tint);text-align:center}.bottom-cta h2{max-width:800px;margin:16px auto}.bottom-cta p{color:var(--muted)}.footer{padding:40px 0 95px;border-top:1px solid var(--line)}.footer .wrap{display:flex;gap:60px;justify-content:space-between}.footer p{font-size:11px;max-width:680px;color:var(--muted)}.sticky-buy{position:fixed;bottom:0;left:0;right:0;background:#fffffff2;backdrop-filter:blur(12px);border-top:1px solid var(--line);z-index:35}.sticky-buy .wrap{display:flex;justify-content:space-between;align-items:center;padding:12px 0;gap:15px}.sticky-buy strong{font-size:14px}.sticky-buy span{display:block;font-size:10px;color:var(--muted);margin-top:4px}.sticky-buy .btn{padding:12px 22px}.modal{max-width:650px;width:calc(100% - 36px);border:0;border-radius:14px;padding:35px;max-height:85vh;overflow:auto;color:var(--ink);box-shadow:0 30px 100px #10243833}.modal::backdrop{background:#10243899}.modal h2{font-size:29px}.modal label{display:flex;gap:12px;align-items:flex-start;margin:16px 0;font-size:14px;line-height:1.8}.modal input{margin-top:6px;accent-color:var(--accent)}.modal .close{float:right;border:0;background:transparent;font-size:23px;padding:4px 10px}.status{font-size:13px;color:var(--accent);line-height:1.8;min-height:30px}.chart{padding:30px;width:100%;color:var(--ink)}.chart svg{width:100%;height:140px;overflow:visible}.chart .axis{display:flex;justify-content:space-between;font-size:10px;color:var(--muted)}.chart small{display:block;margin-top:20px}.sleep-bar{display:flex;align-items:center;gap:3px;height:65px;margin:30px 0}.sleep-bar i{flex:1;background:var(--accent);border-radius:3px}.bed{width:80%;height:260px;border:2px solid #a9bcc3;border-radius:18px;background:#fff;position:relative;margin:35px}.pillow{height:60px;background:#e9eef0;border-radius:12px;margin:18px 30px;text-align:center;padding:18px;color:#607685;font-size:13px}.sensor{position:absolute;left:8%;right:8%;top:110px;height:65px;background:var(--accent);color:#fff;text-align:center;padding:20px;font-size:13px;border-radius:5px}.bed:after{content:'示意图 · 按实际胸部位置调整';position:absolute;bottom:20px;left:8%;font-size:11px;color:#607685}.hub-title{max-width:850px}.hub-cards .card{border:1px solid var(--line);border-radius:12px;padding:30px}.hub-cards img{height:230px;width:100%;object-fit:contain}.downloads{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:20px;margin-top:35px}.downloads a{display:block;background:var(--tint);padding:25px;border-radius:10px;font-size:15px;line-height:1.8}.downloads small{display:block}.backtop{font-size:12px;color:var(--accent)}
@media(max-width:800px){.wrap{width:calc(100% - 40px)}.nav{gap:14px;font-size:11px}.nav .optional{display:none}.topbar{height:68px}.topbar .btn{padding:10px 14px;font-size:12px}.hero{padding-top:35px}.hero-grid{grid-template-columns:1fr;gap:0}.hero-copy>p{font-size:15px}.hero-art{min-height:300px;max-width:520px;width:100%;margin:30px auto}.hero-art:before{height:100%;width:80%;left:10%;aspect-ratio:auto}.hero-art img{max-height:360px}.metrics{margin-top:30px;gap:14px}.metric strong{font-size:26px}.hero-foot{gap:15px;line-height:1.7}.section{padding:65px 0}.section-head{display:block;margin-bottom:28px}.section-head p{max-width:none}.grid3{grid-template-columns:1fr}.grid2{grid-template-columns:1fr}.card{padding:25px}.feature{grid-template-columns:1fr;gap:25px;margin:50px 0}.feature.reverse .visual{order:0}.feature-copy h2{font-size:31px}.visual{min-height:250px}.flow{grid-template-columns:1fr 1fr;gap:30px 20px}.step h3{font-size:18px}.benefits{grid-template-columns:1fr;gap:12px}.variant-grid,.variant-grid.three{grid-template-columns:1fr}.variant img{height:230px}.specs th,.specs td{padding:13px;min-width:125px;font-size:12px}.bundle{grid-template-columns:1fr}.bundle a{display:grid;grid-template-columns:115px 1fr;align-items:center;gap:15px}.bundle img{height:95px}.bundle h3{font-size:17px}.footer .wrap{display:block}.footer p{margin-top:20px}.downloads{grid-template-columns:1fr}.sticky-buy .wrap{width:calc(100% - 28px)}.sticky-buy .btn{padding:11px 15px;font-size:12px}.sticky-buy strong{font-size:12px}.modal{padding:25px}.hub-cards .card{padding:25px}}
.hero h1{font-size:clamp(36px,4.8vw,64px)}
@media(max-width:400px){.hero h1{font-size:clamp(28px,8.2vw,36px)}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
@media print{.topbar,.sticky-buy,.actions,.selector,.bottom-cta button,.backtop{display:none!important}.section{padding:35px 0;break-inside:auto}.wrap{width:100%}body{background:white}.hero-grid{min-height:0}.hero-art{min-height:250px}.hero-art img{max-height:300px}.section h2{font-size:28px}.dark{background:white!important;color:var(--ink)}.dark p{color:var(--muted)}.footer{padding-bottom:0}.faq details{break-inside:avoid}.faq details p{display:block}.card{break-inside:avoid}.feature{break-inside:avoid;margin:30px 0}.btn{display:none}.hero-foot{margin-top:10px}}

:root{--ink:#17332f;--muted:#65746f;--paper:#fbfaf6;--accent:#14796d;--tint:#eef3ed;--line:#dce4dc}
h1,h2{font-family:"Songti SC",STSong,SimSun,serif}.topbar{background:#fbfaf6f2}
.scheme-hero{padding:70px 0;background:#f3f0e8}.scheme-hero h1{font-size:clamp(32px,4.8vw,62px);max-width:950px}.scheme-hero .intro{max-width:820px}
.solution-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.solution-card{padding:30px;border:1px solid var(--line);background:#fff}.solution-card:hover{border-color:var(--accent)}.solution-card h3{font-size:23px}.solution-card p{font-size:14px;color:var(--muted)}.solution-card strong{font-size:13px;color:var(--accent)}
.scheme-section{padding:65px 0}.scheme-section:nth-of-type(even){background:white}.scheme-value{padding:40px;background:var(--tint)}.scheme-value h2{font-size:34px}.scheme-footer{padding:35px 0;border-top:1px solid var(--line)}
@media(max-width:800px){.solution-cards{grid-template-columns:1fr}.scheme-hero{padding:45px 0}.scheme-section{padding:45px 0}.scheme-value{padding:25px}.scheme-value h2{font-size:28px}.topbar .nav{gap:12px;font-size:11px}}