:root{color-scheme:light;--ink:#17292e;--muted:#62777d;--line:#dce8e9;--teal:#096d7d;--teal-dark:#075563;--mint:#e0f6ef;--bg:#f8fcfc;--card:#fff;--soft:#eef6f7;--shadow:0 16px 38px rgba(19,67,75,.07);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans SC",sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--bg);font-size:15px;line-height:1.65}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}.container{width:min(1180px,calc(100% - 48px));margin-inline:auto}.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(16px)}.nav{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:10px;font-size:21px;font-weight:780;letter-spacing:-.04em;white-space:nowrap}.brand small{margin-left:3px;color:var(--teal);font-size:12px;letter-spacing:.08em}.brand-mark{display:inline-flex;width:29px;height:29px;align-items:end;gap:3px}.brand-mark i{display:block;width:6px;border-radius:5px 5px 1px 1px;background:linear-gradient(#30baab,var(--teal))}.brand-mark i:nth-child(1){height:11px}.brand-mark i:nth-child(2){height:20px}.brand-mark i:nth-child(3){height:28px}.nav nav{display:flex;gap:28px;align-items:center}.nav nav a{color:#53676d;font-weight:570}.nav nav a:hover,.nav nav a.active{color:var(--teal)}.nav-actions{display:flex;align-items:center;gap:20px}.nav-login{font-weight:650}.button{display:inline-flex;align-items:center;justify-content:center;gap:18px;background:var(--teal);color:white;border:1px solid var(--teal);border-radius:10px;padding:12px 19px;font-weight:700;white-space:nowrap;box-shadow:0 7px 15px rgba(9,109,125,.12);transition:transform .15s,background .15s}.button:hover{background:var(--teal-dark);transform:translateY(-1px)}.button.small{padding:9px 14px;font-size:13px}.button.secondary{background:#fff;color:var(--teal);box-shadow:none}.button.secondary:hover{background:var(--soft)}.eyebrow{margin:0 0 17px;color:var(--teal);font-size:12px;font-weight:800;letter-spacing:.15em;text-transform:uppercase}.live-dot{display:inline-block;width:8px;height:8px;background:#28b59b;border-radius:50%;margin-right:6px;box-shadow:0 0 0 4px #d9f5eb}.hero{display:grid;grid-template-columns:1.08fr .92fr;align-items:center;gap:70px;min-height:605px;padding-block:74px 85px}.hero h1{margin:0;font-size:clamp(42px,5vw,68px);letter-spacing:-.06em;line-height:1.21}.hero h1 span{color:var(--teal)}.hero-description{color:var(--muted);font-size:17px;max-width:590px;margin:27px 0}.hero-actions{display:flex;flex-wrap:wrap;gap:12px}.hero-footnote{margin:23px 0 0;color:#819296;font-size:13px}.hero-visual{min-height:350px;border:1px solid #cfe2e4;border-radius:22px;padding:30px;background:radial-gradient(circle at 42% 42%,#d7f6ef,#e7f3f2 48%,#f9fdfd 88%);box-shadow:var(--shadow);display:flex;flex-direction:column;justify-content:space-between;overflow:hidden}.visual-top,.visual-bottom{display:flex;justify-content:space-between;align-items:center;gap:10px;color:#35717a;font-size:10px;font-weight:800;letter-spacing:.08em}.visual-line{flex:1;height:1px;background:#97c6c7}.visual-center{display:flex;align-items:center;gap:31px}.visual-core{position:relative;display:grid;place-items:center;flex:none;width:135px;height:135px;border-radius:30px;background:#0a6775;color:white;font-size:72px;font-weight:600;box-shadow:0 24px 45px rgba(9,109,125,.25)}.visual-glow{position:absolute;right:17px;top:17px;width:11px;height:11px;border-radius:50%;background:#90f7d7}.visual-center strong{font-size:25px;line-height:1.3}.visual-center p{color:var(--muted);margin:11px 0 0}.visual-bottom{gap:8px;flex-wrap:wrap;justify-content:flex-start}.visual-bottom span{background:#fff;border:1px solid #d0e4e4;border-radius:99px;padding:8px 11px;font-size:10px}.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:26px}.section-head h2{margin:0;font-size:34px;line-height:1.25;letter-spacing:-.04em}.section-head p:not(.eyebrow){margin:8px 0 0;color:var(--muted)}.text-link{font-weight:700;color:var(--teal);white-space:nowrap}.home-models,.connect{padding-block:66px}.model-preview{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.preview-card{display:block;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:23px;min-height:172px;transition:border-color .15s,transform .15s,box-shadow .15s}.preview-card:hover{border-color:#9bcacd;transform:translateY(-3px);box-shadow:var(--shadow)}.preview-card .preview-top{display:flex;justify-content:space-between;gap:8px;color:var(--teal);font-size:12px;font-weight:700}.preview-card h3{font-size:18px;margin:19px 0 13px;line-height:1.35}.preview-card .preview-price{display:flex;gap:22px;flex-wrap:wrap;color:var(--muted);font-size:12px}.preview-card .preview-price b{display:block;color:var(--ink);font-size:18px}.price-caption,.catalog-count{font-size:12px;color:var(--muted);margin:15px 0}.step-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.step-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px}.step-card>span{color:var(--teal);font-weight:800;letter-spacing:.08em}.step-card h3{margin:15px 0 6px;font-size:17px}.step-card p{color:var(--muted);margin:0}.code-card{margin-top:18px;background:#142c31;border-radius:15px;overflow:hidden;color:#e9f5f4}.code-title{display:flex;align-items:center;gap:11px;padding:14px 19px;background:#19373c;border-bottom:1px solid #285258;font-size:12px}.code-title a{margin-left:auto;color:#9be8d6}.terminal-dots{display:flex;gap:5px}.terminal-dots i{width:7px;height:7px;border-radius:50%;background:#79bdb4}.code-card pre{overflow:auto;padding:23px;margin:0;font:13px/1.8 Consolas,Monaco,monospace}.bottom-cta{display:flex;justify-content:space-between;align-items:center;gap:30px;margin-block:63px 87px;padding:37px 43px;background:#e7f4f3;border:1px solid #cde4e3;border-radius:20px}.bottom-cta h2{font-size:30px;margin:0}.bottom-cta p:not(.eyebrow){color:var(--muted);margin:7px 0 0}.site-footer{border-top:1px solid var(--line);background:#fff;color:var(--muted);font-size:13px}.site-footer .container{display:flex;justify-content:space-between;gap:20px;padding-block:26px}.site-footer .container div{display:flex;gap:22px;flex-wrap:wrap}.site-footer a:hover{color:var(--teal)}.loading,.empty-state{padding:27px;color:var(--muted);grid-column:1/-1}.error-state{padding:21px;color:#a34437;background:#fff3ef;border:1px solid #e8c9c3;border-radius:12px;grid-column:1/-1}.page-main{padding-top:77px;padding-bottom:80px;min-height:calc(100vh - 180px)}.page-heading{display:flex;justify-content:space-between;align-items:end;gap:20px}.page-heading h1{font-size:50px;letter-spacing:-.06em;line-height:1.2;margin:0}.page-heading p{color:var(--muted);margin:16px 0 0}.version-label{font:11px Consolas,monospace;color:#84999c}.catalog-controls{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin:51px 0 23px}.search-field{display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:10px;padding:9px 14px;min-width:250px;color:var(--muted)}.search-field input{border:0;outline:0;background:transparent;color:var(--ink);width:100%;min-width:140px}.filter-list{display:flex;gap:7px;flex-wrap:wrap}.filter-list button{background:transparent;border:1px solid transparent;color:var(--muted);padding:8px 12px;border-radius:9px;font-size:13px}.filter-list button:hover{background:var(--soft)}.filter-list button[aria-pressed="true"]{background:#e9f4f5;border-color:#a5ced3;color:var(--teal);font-weight:730}.table-shell{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:0 6px 20px rgba(19,67,75,.03)}.table-scroll{overflow-x:auto}.price-table{border-collapse:collapse;width:100%;min-width:890px;text-align:left}.price-table th{background:#eff7f7;color:#71868b;font-size:12px;font-weight:700;white-space:nowrap}.price-table th,.price-table td{padding:17px 19px;border-bottom:1px solid #e8efef}.price-table tr:last-child td{border-bottom:0}.price-table tbody tr:hover{background:#fbfefe}.price-table td:first-child{font-weight:720}.price-table .model-id{display:block;color:#819296;font:11px Consolas,monospace;margin-top:2px}.price-table .money{font-weight:760;color:#b4543d;white-space:nowrap}.price-table .peak-note{display:block;color:#9b7057;font-size:11px;line-height:1.3;margin-top:4px}.table-state{text-align:center;color:var(--muted);padding:50px!important}.mini-tag{display:inline-block;border:1px solid #dbe8e8;border-radius:5px;padding:2px 5px;margin:2px 3px 2px 0;color:#5e7478;font-size:10px;white-space:nowrap}.row-link{color:var(--teal);font-size:13px;white-space:nowrap;font-weight:700}.note-card{background:#edf7f6;border:1px solid #d5eae8;border-radius:14px;padding:24px;margin-top:36px}.note-card p{color:var(--muted);margin:6px 0 0}.detail-main{padding-block:49px 85px;min-height:calc(100vh - 180px)}.breadcrumb{display:flex;gap:12px;color:#819296;margin:0 0 24px;font-size:13px}.breadcrumb a{color:var(--teal)}.detail-hero{background:#fff;border:1px solid var(--line);border-radius:19px;padding:33px 37px;display:flex;justify-content:space-between;gap:25px;align-items:center}.detail-hero h1{font-size:44px;letter-spacing:-.055em;margin:13px 0 0;line-height:1.2}.detail-id{font:13px Consolas,monospace;color:var(--muted);margin:11px 0}.detail-hero .intro{color:var(--muted);margin:12px 0 0}.status-pill{background:#e5f5ed;color:#207a56;border-radius:99px;padding:5px 10px;font-size:11px;font-weight:750}.detail-actions{display:flex;flex-wrap:wrap;gap:10px}.detail-grid{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(280px,.85fr);gap:17px;margin-top:17px}.detail-card{background:#fff;border:1px solid var(--line);border-radius:17px;padding:29px}.detail-card h2{font-size:20px;margin:0 0 6px}.detail-card .sub{color:var(--muted);margin:0 0 22px}.detail-price-table{width:100%;border-collapse:collapse}.detail-price-table th,.detail-price-table td{padding:13px 7px;border-bottom:1px solid var(--line);text-align:left}.detail-price-table th{font-size:12px;color:#829599}.detail-price-table td:last-child{font-weight:750;color:#b4543d}.detail-info{display:grid;grid-template-columns:1fr auto;gap:0}.detail-info dt,.detail-info dd{border-bottom:1px solid var(--line);margin:0;padding:11px 0}.detail-info dt{color:var(--muted)}.detail-info dd{text-align:right;font-weight:620}.detail-wide{grid-column:1/-1}.protocol-tabs{display:flex;gap:7px;margin:17px 0}.protocol-tabs button{border:1px solid var(--line);border-radius:8px;padding:8px 13px;background:#f8fbfb;color:var(--muted)}.protocol-tabs button[aria-selected="true"]{background:var(--teal);color:#fff;border-color:var(--teal)}.snippet{background:#eaf3f4;border-radius:12px;padding:21px;overflow:auto;color:#213a40;font:12px/1.8 Consolas,monospace;white-space:pre}.detail-footnote{color:var(--muted);font-size:12px}.copy-button{border:1px solid var(--line);border-radius:7px;background:#fff;padding:6px 10px;color:var(--teal);font-size:12px}.detail-head-row{display:flex;justify-content:space-between;gap:15px;align-items:center}.muted{color:var(--muted)}@media(max-width:900px){.hero{grid-template-columns:1fr;gap:30px;padding-block:54px}.hero-visual{min-height:260px}.model-preview{grid-template-columns:repeat(2,1fr)}.detail-grid{grid-template-columns:1fr}.detail-wide{grid-column:auto}.detail-hero{align-items:flex-start;flex-direction:column}.nav nav{gap:14px}}@media(max-width:640px){.container{width:min(100% - 30px,1180px)}.nav{min-height:66px;gap:9px}.brand{font-size:17px}.brand small{display:none}.nav nav{gap:10px}.nav nav a{font-size:12px}.nav nav a:last-child{display:none}.nav-actions{gap:7px}.nav-login{display:none}.button.small{padding:7px 9px;font-size:11px}.hero h1{font-size:41px}.hero-description{font-size:15px}.hero-visual{padding:20px}.visual-core{width:95px;height:95px;font-size:50px;border-radius:22px}.visual-center{gap:15px}.visual-center strong{font-size:20px}.section-head{align-items:start}.section-head h2{font-size:28px}.model-preview,.step-grid{grid-template-columns:1fr}.bottom-cta{flex-direction:column;align-items:start;padding:25px}.site-footer .container{flex-direction:column}.page-main{padding-top:45px}.page-heading h1{font-size:39px}.page-heading{align-items:start;flex-direction:column}.catalog-controls{margin-top:30px}.search-field{width:100%}.detail-hero{padding:24px}.detail-hero h1{font-size:32px}.detail-card{padding:22px}}
:where(.page-heading,.catalog-controls,.filter-list){min-width:0}
@media(max-width:640px){.nav nav{display:none}.nav-actions{margin-left:auto}.page-heading>div{min-width:0}.page-heading p{overflow-wrap:anywhere}.filter-list{max-width:100%;min-width:0}.filter-list button{flex:0 0 auto}.catalog-controls{display:block}.search-field{margin-bottom:10px}.page-main{overflow:hidden}.table-shell{max-width:100%}}
@media(max-width:640px){html,body{max-width:100%;overflow-x:hidden}.site-header{width:100%}.site-header .nav{width:calc(100% - 30px)}.site-header .nav-actions{display:block;margin-left:auto}.site-header .nav-actions .button{display:inline-flex}.filter-list{width:100%;flex-wrap:wrap;overflow:hidden}.page-heading{width:100%}.page-heading p{max-width:100%;white-space:normal}.price-caption{overflow-wrap:anywhere}}
.featured-group+.featured-group{margin-top:35px}.featured-group-heading{display:flex;align-items:baseline;gap:14px;margin-bottom:14px}.featured-group-heading h3{margin:0;font-size:19px;letter-spacing:-.02em}.featured-group-heading p{margin:0;color:var(--muted);font-size:12px}.featured-group .model-preview{min-height:172px}
@media(max-width:640px){.featured-group-heading{display:block}.featured-group-heading p{margin-top:3px}.featured-group+.featured-group{margin-top:29px}}

/* Latentide brand system · 暖白、深青、双波纹。官网三页共用。 */
:root{
  --ink:#11282a;--muted:#5f7472;--line:#d9e7df;
  --teal:#0d5552;--teal-dark:#083d3d;--mint:#a9ead5;
  --bg:#faf9f4;--card:#fffefa;--soft:#ecf6ef;
  --shadow:0 18px 42px rgba(16,65,58,.08);
}
body{background:var(--bg)}
.site-header{background:rgba(250,249,244,.95)}
.brand{gap:11px;color:var(--ink);font:700 22px/1.1 Georgia,"Songti SC",serif;letter-spacing:-.045em}
.brand .brand-mark{display:block;width:42px;height:32px;object-fit:contain;flex:none}
.brand small{color:var(--teal);font:700 12px/1.2 "Noto Sans SC",sans-serif;letter-spacing:.04em}
.button{border-radius:999px;box-shadow:none}
.button.secondary{background:transparent}
.eyebrow{color:var(--teal)}
.live-dot{background:#3aab87;box-shadow:0 0 0 4px #dff4e9}
.hero{position:relative;isolation:isolate;min-height:650px}
.hero:before{content:"";position:absolute;z-index:-1;inset:0 -8vw auto;height:360px;background:linear-gradient(90deg,rgba(13,85,82,.035) 1px,transparent 1px),linear-gradient(rgba(13,85,82,.035) 1px,transparent 1px);background-size:78px 78px;mask-image:linear-gradient(#000,transparent 90%);pointer-events:none}
.hero h1,.page-heading h1,.detail-hero h1,.section-head h2,.bottom-cta h2{font-family:Georgia,"Noto Serif SC","Songti SC",serif;font-weight:700}
.hero h1{font-size:clamp(44px,5vw,71px);line-height:1.22;letter-spacing:-.055em}
.hero h1 span{color:var(--teal)}
.hero-description{color:#506a67;font-size:17px;line-height:1.85}
.hero-visual{position:relative;background:radial-gradient(circle at 82% 12%,#d8f3e9 0,transparent 42%),linear-gradient(155deg,#fffefa 15%,#eef8f2 100%);border-color:#c9ded4;box-shadow:var(--shadow)}
.hero-visual:after{content:"";position:absolute;left:-7%;right:-7%;bottom:-54px;height:126px;border-radius:50% 50% 0 0;background:linear-gradient(150deg,rgba(169,234,213,.15),rgba(13,85,82,.17));transform:rotate(-5deg);pointer-events:none}
.visual-core{width:144px;height:144px;background:#e3f5ec;border:1px solid #c8e4d6;border-radius:50%;box-shadow:0 22px 40px rgba(13,85,82,.12)}
.visual-core img{width:98px;height:66px;object-fit:contain}
.visual-center,.visual-bottom,.visual-top{position:relative;z-index:1}
.visual-bottom span{border-color:#cfdfd7;background:#fffefa}
.section-head h2{font-size:38px}
.preview-card,.step-card,.table-shell,.detail-hero,.detail-card,.note-card{background:var(--card);border-color:var(--line);box-shadow:0 7px 23px rgba(13,85,82,.035)}
.preview-card,.detail-card,.detail-hero{border-radius:20px}
.preview-card .preview-price b,.price-table .money,.detail-price-table td:last-child{color:var(--teal)}
.code-card{background:#123a39}.code-title{background:#174844;border-bottom-color:#2b655e}
.bottom-cta{position:relative;overflow:hidden;background:linear-gradient(115deg,#e6f3ea,#f5f9ee);border-color:#c8dfd1;border-radius:25px}
.bottom-cta:after{content:"";position:absolute;right:-8%;bottom:-85px;width:46%;height:140px;border-radius:50%;background:rgba(13,85,82,.1);pointer-events:none}
.bottom-cta>*{position:relative;z-index:1}
.site-footer{background:#f3f7f0}
.price-table th{background:#edf5ee}.price-table tbody tr:hover{background:#f4faf4}
.filter-list button[aria-pressed="true"],.status-pill{background:#e2f3e9;border-color:#aed2c3;color:var(--teal)}
.search-field,.protocol-tabs button,.copy-button{background:var(--card);border-color:var(--line)}
.note-card{background:#edf6ec}
@media(max-width:640px){
  .container{width:calc(100vw - 30px);max-width:calc(100vw - 30px);margin-inline:15px}
  .brand{font-size:19px}.brand .brand-mark{width:37px;height:29px}.brand small{display:inline;font-size:10px}
  .hero{min-height:0;grid-template-columns:minmax(0,1fr)}
  .hero-copy,.hero-visual{min-width:0;max-width:100%}
  .hero h1{font-size:clamp(36px,9.5vw,48px);overflow-wrap:anywhere}
  .hero-description{overflow-wrap:anywhere}
  .hero-description{font-size:15px}.hero-visual{min-height:285px}
  .visual-core{width:104px;height:104px}.visual-core img{width:75px}
  .section-head h2{font-size:31px}.page-heading h1{font-size:42px}
}

/* Public legal pages: readable without scripts or a customer session. */
.policy-main{max-width:900px;padding-block:72px 90px}
.policy-main h1{font:700 clamp(38px,5vw,58px)/1.2 Georgia,"Noto Serif SC","Songti SC",serif;letter-spacing:-.04em;margin:0 0 18px}
.policy-lead{font-size:17px;color:var(--muted);max-width:720px;margin:0 0 10px}
.policy-date{font-size:13px;color:var(--muted);margin:0 0 28px}
.policy-card{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:28px clamp(22px,5vw,50px);box-shadow:var(--shadow)}
.policy-card h2{font-size:21px;line-height:1.4;margin:30px 0 12px}
.policy-card h2:first-child{margin-top:0}
.policy-card p{color:#385452;line-height:1.9;margin:0 0 14px;overflow-wrap:anywhere}
.policy-card a,.policy-related a{color:var(--teal);text-decoration:underline;text-underline-offset:3px}
.policy-related{color:var(--muted);margin:24px 0 0}
@media(max-width:640px){.policy-main{padding-block:45px 65px}.policy-lead{font-size:15px}.policy-card{border-radius:16px}.policy-card h2{font-size:18px}}