:root{color-scheme:light;--ink:#182031;--muted:#555e6b;--line:#e3e0db;--paper:#fcfbf8;--cream:#f4f1eb;--red:#b92e40;--red-hover:#a42236;--navy:#151d2b;--mono:ui-monospace,SFMono-Regular,Consolas,monospace;--sans:Inter,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",system-ui,sans-serif}
*{box-sizing:border-box}
[hidden]{display:none!important}
body{margin:0;font:400 16px/1.65 var(--sans);color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased}
h1,h2,h3,p,figure{margin:0}
h1,h2,h3{line-height:1.22}
a{color:var(--red);text-underline-offset:.2em}
a:hover{text-decoration:underline}
img,svg{vertical-align:middle}
:focus-visible{outline:3px solid #bf4954;outline-offset:4px}
.skip{position:fixed;left:12px;top:10px;z-index:40;transform:translateY(-160%);padding:8px 12px;border-radius:8px;background:white;color:var(--ink)}
.skip:focus{transform:none}
.wrap{width:min(1220px,100% - 80px);margin-inline:auto}
.site-header{position:sticky;top:0;z-index:10;background:var(--paper);border-bottom:1px solid var(--line)}
.header-inner,.footer-inner{display:flex;align-items:center;gap:20px;min-height:72px}
.brand{display:inline-flex;align-items:center;gap:9px;color:var(--ink);text-decoration:none;white-space:nowrap}
.brand:hover{text-decoration:none}
.brand strong{font-size:21px;letter-spacing:-.045em;line-height:1.1}
.brand>span{font:600 10px var(--mono);letter-spacing:.06em;padding:3px 5px;border:1px solid var(--line);border-radius:4px;color:var(--muted)}
.top-nav{display:flex;align-items:center;gap:28px;margin-left:auto}
.top-nav a,.site-footer nav a{font-size:14px;font-weight:550;color:var(--muted);text-decoration:none}
.top-nav a:hover,.site-footer nav a:hover{color:var(--red)}
.button{min-height:48px;display:inline-flex;justify-content:center;align-items:center;gap:13px;border:1px solid transparent;padding:10px 18px;border-radius:8px;text-decoration:none;font-size:14px;font-weight:650;line-height:1.3;text-align:center}
.button:hover{text-decoration:none}
.button.small{min-height:42px}
.button.primary{background:var(--red);color:white}
.button.primary:hover{background:var(--red-hover)}
.button.outline{border-color:#d1cdc7;color:var(--ink);background:#fffdfb}
.button.outline:hover{border-color:#7f8289;background:#fff}
.hero{position:relative;overflow:hidden;padding:clamp(65px,8vw,114px) 0;background:radial-gradient(ellipse at 88% 42%,#f2e1e0 0,transparent 56%),linear-gradient(110deg,#fcfbf8,#f6f2ec)}
.hero::before{position:absolute;inset:0;content:"";background-image:radial-gradient(#cec2b5 1px,transparent 1px);background-size:22px 22px;opacity:.38;mask-image:linear-gradient(90deg,transparent 25%,#000);pointer-events:none}
.hero-layout{position:relative;display:grid;grid-template-columns:minmax(0,1.03fr) minmax(0,1fr);align-items:center;gap:clamp(26px,5vw,76px)}
.overline{display:flex;align-items:center;gap:9px;color:var(--red);font:650 11px/1.5 var(--mono);letter-spacing:.095em}
.status-dot,.preview-foot i{display:inline-block;width:7px;height:7px;background:#bf3c4b;border-radius:50%;flex:none}
.separator{color:#a19792}
.hero h1{font-size:clamp(36px,4.15vw,63px);font-weight:760;letter-spacing:-.06em;line-height:1.16;margin:18px 0 20px;text-wrap:balance}
.hero h1 span{color:var(--red)}
.hero-lead,.lead{color:var(--muted);max-width:31rem}
.hero-lead{font-size:clamp(15px,1.35vw,18px)}
.hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-note{margin-top:16px;color:var(--muted);font-size:12px}
.product-preview{border:1px solid #cfd0d5;background:#fff;border-radius:15px;box-shadow:0 26px 70px #4a25332b;overflow:hidden;min-width:0}
.preview-top{min-height:43px;padding:0 14px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:12px;background:#f7f7fa;border-bottom:1px solid #ebebef;font-size:11px;text-align:center;color:#4f5360}
.preview-top i{display:inline-block;width:7px;height:7px;border-radius:50%;background:#c9cad3;margin-right:3px}
.preview-top i:first-child{background:#cf666d}
.preview-tag{padding:2px 6px;border:1px solid #e6ced0;background:#fff7f6;color:#9c3540;border-radius:4px;white-space:nowrap}
.preview-body{display:grid;grid-template-columns:51px minmax(0,1fr)}
.preview-rail{display:flex;align-items:center;flex-direction:column;gap:15px;padding:14px 0;color:#aeb7ca;background:#171e2c;font-size:16px}
.preview-rail .active{color:#fff;background:#3a3440;border-radius:5px;padding:0 6px}
.preview-main{padding:clamp(12px,2vw,25px);min-width:0}
.preview-heading{display:flex;align-items:end;justify-content:space-between;flex-wrap:wrap;gap:6px}
.preview-heading p{font-size:10px;font-family:var(--mono);color:var(--muted);margin-bottom:4px}
.preview-heading strong{display:block;font-size:clamp(14px,1.7vw,23px);line-height:1.3}
.pill{display:inline-flex;border-radius:999px;padding:3px 8px;background:#f4efec;color:#655750;font-size:11px;font-weight:650;white-space:nowrap}
.pill.good{background:#e7f4ed;color:#226448}
.preview-kpis{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:16px 0 11px}
.preview-kpis>div,.preview-chart{border:1px solid #e7e5e7;border-radius:7px;padding:9px 10px}
.preview-kpis span{display:block;color:var(--muted);font-size:10px}
.preview-kpis b{font:650 clamp(13px,2vw,23px) var(--mono);letter-spacing:-.06em}
.preview-chart>div{display:flex;justify-content:space-between;gap:8px;font-size:11px}
.preview-chart span{color:var(--muted);text-align:right}
.preview-chart svg{display:block;width:100%;max-height:90px;margin-top:8px}
.preview-foot{display:flex;flex-wrap:wrap;gap:8px 16px;color:var(--muted);font-size:10px;padding-top:13px}
.preview-foot i{margin-right:4px;width:5px;height:5px;background:#6c816e;vertical-align:middle}
.band{border-top:1px solid var(--line);padding:clamp(48px,7vw,91px) 0;scroll-margin-top:78px}
.section-head{margin-bottom:29px}
.section-head h2,.closing h2{margin-top:11px;font-size:clamp(28px,3.4vw,46px);font-weight:730;letter-spacing:-.045em}
.section-head .lead{margin-top:16px}
.feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.feature-grid article{min-width:0;padding:23px;border:1px solid var(--line);background:#fff;border-radius:12px;display:flex;flex-direction:column;align-items:start}
.feature-index{display:flex;justify-content:space-between;width:100%;color:var(--red);font:600 13px/1.4 var(--mono);margin-bottom:19px}
.feature-index span{font-size:20px}
.feature-grid h3,.workflow h3{font-size:20px}
.feature-grid p,.workflow-list p,.faq-list p{color:var(--muted);font-size:15px;margin:10px 0 17px}
.feature-grid a{font-weight:650;font-size:14px;margin-top:auto}
.workflow{background:var(--cream)}
.workflow-layout,.faq-layout{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1fr);gap:clamp(24px,6vw,86px)}
.workflow-list{margin:0;padding:0;list-style:none}
.workflow-list li{display:grid;grid-template-columns:40px minmax(0,1fr);gap:15px;border-top:1px solid #d8d3ca;padding:19px 0}
.workflow-list li:last-child{border-bottom:1px solid #d8d3ca}
.workflow-list li>span{width:37px;height:37px;display:grid;place-items:center;border:1px solid #dbccc5;border-radius:8px;color:var(--red);font:600 12px var(--mono)}
.workflow-list p{margin-bottom:0}
.faq-list{border-top:1px solid var(--line)}
.faq-list details{border-bottom:1px solid var(--line);padding:15px 0}
.faq-list summary{cursor:pointer;font-weight:650}
.faq-list p{margin-bottom:0}
.closing{background:var(--navy);color:#fff;padding:42px 0}
.closing .overline{color:#ff9398}
.closing h2{font-size:clamp(25px,3vw,38px)}
.closing-inner{display:flex;justify-content:space-between;align-items:center;gap:20px}
.site-footer{border-top:1px solid var(--line)}
.footer-inner{min-height:84px;flex-wrap:wrap;padding:14px 0}
.footer-inner p{color:var(--muted);font-size:13px}
.site-footer nav{display:flex;flex-wrap:wrap;gap:18px;margin-left:auto}
@media(max-width:900px){
  .wrap{width:calc(100% - 48px)}
  .hero-layout{gap:26px}
  .top-nav{gap:15px}
}
@media(max-width:720px){
  .wrap{width:calc(100% - 32px)}
  .header-inner{min-height:62px;justify-content:space-between}
  .top-nav{display:none}
  .hero-layout,.workflow-layout,.faq-layout,.feature-grid{grid-template-columns:1fr}
  .hero{padding:43px 0 38px}
  .hero h1{font-size:clamp(31px,8.3vw,49px)}
  .product-preview{max-width:520px}
  .preview-body{grid-template-columns:38px minmax(0,1fr)}
  .preview-rail{gap:9px}
  .section-head{margin-bottom:7px}
  .feature-grid{margin-top:20px}
  .closing-inner{align-items:start;flex-direction:column}
  .site-footer nav{width:100%;margin-left:0}
}
@media(max-width:360px){
  .hero-actions .button{width:100%}
  .brand>span{display:none}
  .preview-kpis>div,.preview-chart{padding:7px 5px}
  .preview-heading .pill{font-size:10px}
}