:root{
  --ink:#121716;--muted:#64706b;--paper:#f5f2ea;--white:#fff;--line:#d9ddd8;
  --forest:#12392d;--forest2:#0d2d24;--lime:#c9f46c;--lime2:#a5dd49;
  --cream:#ece5d6;--orange:#f0aa54;--blue:#99c8e5;--shadow:0 24px 80px rgba(18,23,22,.12);
  --max:1180px;--r:22px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.55}
a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}.wrap{width:min(var(--max),calc(100% - 40px));margin:auto}
.skip{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}.skip:focus-visible{position:fixed;left:18px;top:18px;width:auto;height:auto;margin:0;overflow:visible;clip:auto;white-space:normal;background:#fff;padding:10px 12px;color:var(--ink);border:2px solid var(--forest);border-radius:8px;z-index:9999}
.consent-banner{position:fixed;left:20px;right:20px;bottom:20px;z-index:500;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:16px 18px;background:#0c241d;color:#f4eddd;border:1px solid #294139;border-radius:10px;box-shadow:0 14px 40px rgba(0,0,0,.2)}.consent-copy{max-width:720px}.consent-copy b{font-size:13px}.consent-copy p{margin:4px 0 0;color:#c5d0ca;font-size:12px}.consent-copy a{color:#f4eddd;text-decoration:underline;text-underline-offset:3px}.consent-actions{display:flex;gap:8px;flex-shrink:0}.consent-btn{border:1px solid transparent;border-radius:8px;padding:9px 12px;font-size:12px;font-weight:800;cursor:pointer}.consent-btn.primary{background:#d5e96a;color:#172119}.consent-btn.secondary{background:transparent;color:#dce5e1;border-color:#557066}@media(max-width:620px){.consent-banner{left:12px;right:12px;bottom:12px;display:block}.consent-actions{margin-top:12px;justify-content:flex-end}}
.nav{position:sticky;top:0;z-index:100;background:rgba(245,242,234,.87);backdrop-filter:blur(16px);border-bottom:1px solid rgba(18,23,22,.08)}
.navin{height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{font-weight:900;letter-spacing:-.035em;display:flex;align-items:center;gap:10px}.mark{width:26px;height:26px;border-radius:8px;background:var(--forest);position:relative;overflow:hidden}.mark:before{content:"";position:absolute;inset:6px;background:var(--lime);border-radius:50% 50% 50% 8px}
.navlinks{display:flex;gap:22px;align-items:center;font-size:13px}.navlinks a{color:#45514c}.navlinks a:hover{color:var(--ink)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 17px;border-radius:11px;font-weight:800;font-size:13px;border:1px solid transparent;transition:.18s}
.btn.primary{background:var(--forest);color:#fff}.btn.primary:hover{transform:translateY(-1px);box-shadow:0 8px 25px rgba(18,57,45,.22)}
.btn.light{background:#fff;border-color:var(--line)}.btn.ghost{border-color:#c7cec9;background:transparent}.btn.lime{background:var(--lime);color:#172119}
.navtoggle{display:none;border:0;background:transparent;font-size:24px}
.hero{padding:90px 0 58px}.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center}
.eyebrow{font-size:11px;text-transform:uppercase;letter-spacing:.14em;font-weight:900;color:#39705c}
h1{font-size:clamp(54px,7vw,92px);line-height:.92;letter-spacing:-.07em;margin:14px 0 24px;max-width:980px}
h2{font-size:clamp(38px,5vw,62px);line-height:.98;letter-spacing:-.055em;margin:12px 0 18px}
h3{font-size:23px;letter-spacing:-.035em;margin:0 0 10px}
.lede{font-size:19px;color:var(--muted);max-width:720px}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:27px}
.hero-art{min-height:510px;border-radius:32px;background:var(--forest);position:relative;overflow:hidden;box-shadow:var(--shadow)}
.mesh{position:absolute;inset:0;background:
 radial-gradient(circle at 20% 20%,rgba(201,244,108,.34),transparent 30%),
 radial-gradient(circle at 80% 30%,rgba(153,200,229,.18),transparent 32%),
 linear-gradient(135deg,transparent 0 48%,rgba(255,255,255,.055) 48% 49%,transparent 49% 100%);background-size:auto,auto,38px 38px}
.flow{position:absolute;left:9%;right:9%;top:18%;bottom:14%;display:grid;grid-template-rows:repeat(5,1fr);gap:10px}
.flow-row{display:grid;grid-template-columns:42px 1fr auto;align-items:center;gap:12px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);border-radius:14px;padding:12px 14px;color:#fff;backdrop-filter:blur(10px)}
.flow-row b{font-size:12px}.flow-row small{font-size:10px;color:#aebbb5}.dot{width:32px;height:32px;border-radius:10px;background:var(--lime);display:grid;place-items:center;color:#172119;font-weight:900}.pill{font-size:9px;padding:5px 8px;border-radius:999px;background:rgba(255,255,255,.1)}
.trust-strip{padding:12px 0 46px}.trust-in{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:18px 0;display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.trust-in div{font-size:12px;color:#53605a}.trust-in b{display:block;color:var(--ink);font-size:14px;margin-bottom:3px}
.section{padding:86px 0}.section.alt{background:#fff}.section.dark{background:var(--forest2);color:#fff}.section.dark .muted{color:#b6c2bd}.kicker{font-size:10px;text-transform:uppercase;letter-spacing:.13em;font-weight:900;color:#47816c}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:34px}.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px;min-height:220px}.card.darkcard{background:#173e32;border-color:#2b5146;color:#fff}.card .num{font-size:10px;color:#668078}.card p{color:var(--muted);font-size:13px}
.path{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin-top:30px}.step{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px;min-height:145px}.step b{display:block;font-size:13px}.step span{display:block;color:var(--muted);font-size:11px;margin-top:8px}
.compare{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:30px}.compare>div{border-radius:25px;padding:28px}.old{background:#dedbd2}.new{background:var(--forest);color:#fff}.compare ul{padding-left:18px;margin:18px 0 0}.compare li{margin:9px 0;font-size:13px}
.band{border-radius:28px;background:var(--lime);padding:36px;display:flex;justify-content:space-between;gap:30px;align-items:center}.band h3{font-size:34px}.band p{max-width:620px}
.industry-hero{padding:72px 0 50px}.industry-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}.industry-panel{background:#fff;border-radius:28px;padding:26px;border:1px solid var(--line);box-shadow:var(--shadow)}
.question-list{display:grid;gap:8px}.qrow{display:flex;gap:12px;align-items:center;padding:12px;background:#f5f5f0;border-radius:12px;font-size:12px}.qrow i{font-style:normal;width:26px;height:26px;border-radius:8px;background:var(--forest);color:#fff;display:grid;place-items:center;font-weight:800}
.pricing{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:35px}.price-card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:26px}.price-card.featured{background:var(--forest);color:white;border-color:var(--forest)}.price{font-size:44px;letter-spacing:-.05em;font-weight:900}.price small{font-size:12px;font-weight:600}.price-card ul{padding-left:18px;font-size:13px}.price-card li{margin:9px 0}
.article{width:min(860px,calc(100% - 40px));margin:0 auto;padding:72px 0}.article h1{font-size:clamp(48px,6vw,74px)}.article h2{font-size:34px;margin-top:48px}.article h3{margin-top:30px}.article p,.article li{font-size:17px;color:#3f4a45}.article .answer{background:#fff;border:1px solid var(--line);border-left:4px solid var(--lime2);border-radius:16px;padding:18px 20px;font-size:18px;color:#1b2420;margin:24px 0}.article table{width:100%;border-collapse:collapse;margin:25px 0;background:#fff}.article th,.article td{border:1px solid var(--line);padding:12px;text-align:left;font-size:14px}.article th{background:#eef0eb}
.breadcrumb{font-size:11px;color:#74807a;margin-bottom:25px}.toc{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px 22px;margin:26px 0}.toc a{display:block;font-size:13px;color:#406655;margin:6px 0}
.faq{display:grid;gap:9px;margin-top:28px}.faq details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:15px 17px}.faq summary{font-weight:800;cursor:pointer}.faq p{font-size:14px;color:var(--muted)}
.form{display:grid;gap:12px}.field label{display:block;font-size:11px;font-weight:800;margin-bottom:5px}.field input,.field textarea,.field select{width:100%;padding:13px 14px;border:1px solid #cfd6d1;border-radius:10px;background:#fff}.field textarea{min-height:140px}.status{font-size:12px;min-height:18px}
.footer{padding:55px 0 30px;background:#0c241d;color:#dce5e1}.footgrid{display:grid;grid-template-columns:1.3fr .7fr .7fr .7fr;gap:35px}.footer a{display:block;color:#aebdb7;font-size:12px;margin:7px 0}.footer p{font-size:12px;color:#91a29b}.footbottom{border-top:1px solid #294139;margin-top:35px;padding-top:20px;font-size:10px;color:#80948c;display:flex;justify-content:space-between;gap:20px}
.demo-shell{background:#fff;border:1px solid var(--line);border-radius:28px;min-height:520px;padding:28px;position:relative;overflow:hidden}.demo-note{max-width:620px}.codebox{background:#12251f;color:#d9e7e1;border-radius:16px;padding:18px;font:12px/1.65 ui-monospace,SFMono-Regular,Menlo,monospace;overflow:auto}
.signal{display:inline-flex;gap:6px;align-items:center;font-size:10px;border-radius:999px;padding:6px 9px;background:#e7ebdf}.signal i{width:7px;height:7px;border-radius:50%;background:#4b8f60}
@media(max-width:900px){
  .navlinks{display:none;position:absolute;top:72px;left:0;right:0;padding:18px 20px;background:var(--paper);border-bottom:1px solid var(--line);flex-direction:column;align-items:flex-start}.navlinks.open{display:flex}.navtoggle{display:block}
  .hero-grid,.industry-grid,.compare,.footgrid{grid-template-columns:1fr}.hero{padding-top:55px}.hero-art{min-height:450px}.grid3,.pricing{grid-template-columns:1fr}.path{grid-template-columns:1fr 1fr}.trust-in{grid-template-columns:1fr 1fr}.band{align-items:flex-start;flex-direction:column}
}
@media(max-width:560px){
  .wrap{width:min(100% - 28px,var(--max))}.hero{padding-top:42px}.hero-art{min-height:390px}.flow{left:6%;right:6%;top:12%;bottom:10%}.flow-row{grid-template-columns:36px 1fr}.flow-row .pill{display:none}
  h1{font-size:52px}.path{grid-template-columns:1fr}.trust-in{grid-template-columns:1fr}.industry-hero{padding-top:44px}.section{padding:64px 0}.article{width:calc(100% - 28px);padding-top:48px}.article p,.article li{font-size:16px}.footbottom{display:block}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn{transition:none}}

/* ============================================================
   v4 theme layer — Stripe Press 骨白 + Linear 克制精密
   追加层：靠级联覆盖上面的旧规则，原规则保留可回退
   ============================================================ */
:root{
  --paper:#F4EDDD; --ink:#17161A; --muted:#6B6353; --line:#D8CFBB;
  --forest:#17161A; --forest2:#0F0E12; --lime:#1B4B5A; --lime2:#16414F;
  --cream:#EBE3CF; --orange:#A04A2A; --blue:#4A7A8C; --teal:#1B4B5A;
  --serif:ui-serif,"New York","Iowan Old Style",Georgia,serif;
  --mono:ui-monospace,"SF Mono",Menlo,monospace;
}
html{overflow-x:clip}
body{font-size:17px;line-height:1.62;color:var(--ink);font-feature-settings:"kern" 1}

/* 展示排印：衬线大标题 + 正常词距（修掉 -.07em 吃空格的硬伤） */
h1,h2,h3{font-family:var(--serif);font-weight:600;letter-spacing:-.018em}
h1{line-height:1.04}
/* 标签/眉题走等宽 */
.eyebrow,.kicker,.label,.tag,[class*="eyebrow"]{font-family:var(--mono)!important;letter-spacing:.14em}

/* 圆角收敛：大圆角=廉价感 */
.btn,.card,.band,.panel,.demo-card,.lead-preview,.contrast article,.cards article,
.path-card,.step,.ind,.trust-item,.form input,.form textarea,.form select{
  border-radius:10px!important}
.btn{border-radius:8px!important}

/* 按钮与强调色：只留一个深青，柠檬绿退场 */
.btn.primary,.btn.lime{background:var(--teal);color:#F4EDDD}
.btn.primary:hover,.btn.lime:hover{background:#123C48}
a,.navlinks a:hover{color:var(--teal)}

/* pill 标签 → 细线 chip */
[class*="pill"],.tagchip{border-radius:4px!important}

/* 数字与数据走等宽 */
.result-num,.stat b,.metric b{font-family:var(--mono)!important;letter-spacing:0}

/* 深色块文字改暖纸色，避免纯白刺眼 */
.band,.dark-section,[class*="dark"]{color:#EFE7D6}

/* 选中态 */
::selection{background:#1B4B5A;color:#F4EDDD}

/* 移动端兜底：任何元素不得撑出视口 */
@media(max-width:900px){
  img,video,table{max-width:100%}
}