/* CoWith · shared design system — brand refresh: violet + pine, rounded & playful */
:root{
  --paper:#fafafe;--ink:#17181f;--muted:#5d5f70;--soft:#8b8da0;--line:#e3e3ef;--line-soft:#ededf6;
  --mint:#8b7cf6;--mint-deep:#6a55e6;--mint-pale:#e9e5fd;--mint-wash:#f4f2fe;--card:#fff;
  --violet:#8b7cf6;--violet-deep:#6a55e6;--violet-pale:#e9e5fd;--violet-wash:#f4f2fe;
  --pine:#1f3d2f;--teal:#2cc5b6;--teal-pale:#dcf5f2;--coral:#ff8b6a;--sun:#ffc24b;
  --serif:"Avenir Next","Nunito","Quicksand",-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;
  --sans:"Avenir Next",Inter,"PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --shadow:0 16px 36px rgba(35,35,60,.07);
  --radius:20px;
  --space-2:8px;--space-3:16px;--space-4:24px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{margin:0;background:var(--paper);color:var(--ink);-webkit-font-smoothing:antialiased}
body{font-family:var(--sans);font-size:16px;line-height:1.6}
img{max-width:100%;display:block}
button{font:inherit;cursor:pointer;color:inherit}
a{color:inherit}
:focus-visible{outline:2px solid var(--mint-deep);outline-offset:3px;border-radius:4px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.icon{width:1em;height:1em;display:inline-block;flex:0 0 auto;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;vertical-align:-.14em}
.icon-label{display:inline-flex;align-items:center}
.legacy-language-icon{display:none!important}
.nav a>.icon{width:15px;height:15px;margin-right:6px;vertical-align:-.16em;stroke-width:1.75}
.btn>.icon{width:16px;height:16px;stroke-width:1.85}
.lang-toggle>.icon{width:16px;height:16px;stroke-width:1.8}
.nav-toggle>.icon{width:20px;height:20px;stroke-width:1.8}
.scene-tab>.icon{width:15px;height:15px;stroke-width:1.9;vertical-align:-.18em;margin-right:5px}
.scene-cta{flex-direction:row-reverse;gap:8px}
.scene-cta>.icon{width:15px;height:15px;stroke-width:1.9}
.tick>.icon{width:13px;height:13px;stroke-width:2.4;vertical-align:0}
.done-mark>.icon{width:25px;height:25px;stroke-width:2.15;vertical-align:0}
.card-icon>.icon{width:27px;height:27px;stroke-width:1.65;vertical-align:0}
.contact-mark>.icon{width:13px;height:13px;stroke-width:2;vertical-align:0}
.link-btn>.icon{width:14px;height:14px;margin-right:5px;stroke-width:1.8}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 44px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(250,250,254,.9);backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid transparent;transition:border-color .2s ease}
.site-header.is-stuck{border-bottom-color:var(--line)}
.header-inner{height:88px;display:flex;align-items:center;gap:26px;max-width:1440px;margin:0 auto;padding:0 44px}
.brand{position:relative;display:flex;align-items:center;gap:10px;font-size:25px;letter-spacing:-.8px;font-weight:800;text-decoration:none}
/* brand lockup comes from the original artwork (images/logo.png): the image is a
   square canvas with the logo band in the middle, so show it via a fixed-size
   window instead of scaling the whole square down */
.brandmark{width:158px;height:34px;display:inline-block;flex:none;background:url("../images/logo.png") center/158px auto no-repeat}
/* the artwork already contains the wordmark — keep the text for screen readers only */
.brand>span+span{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.nav{display:flex;align-items:center;gap:30px;margin-left:auto;color:#3f4150;font-size:15px}
.nav a{text-decoration:none;white-space:nowrap;padding:6px 0;border-bottom:1.5px solid transparent;transition:color .18s ease,border-color .18s ease}
.nav a:hover{color:var(--mint-deep)}
.nav a[aria-current="page"]{color:var(--ink);border-bottom-color:var(--mint)}
.nav .muted-link{color:var(--soft);cursor:default}
.nav .muted-link:hover{color:var(--soft)}
.header-actions{display:flex;align-items:center;gap:10px}
.account-wrap{position:relative}
.account-trigger{width:42px;height:42px;padding:0;border:0;border-radius:50%;display:inline-grid;place-items:center;background:var(--mint-deep);color:#fff;font-size:13px;font-weight:700;letter-spacing:.03em;cursor:pointer;transition:transform .16s ease,box-shadow .16s ease}
.account-trigger:hover{transform:translateY(-1px);box-shadow:0 8px 18px rgba(106,85,230,.25)}
.account-panel{position:absolute;top:52px;right:0;width:248px;padding:16px;background:var(--card);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);z-index:80}
.account-panel[hidden]{display:none}
.account-identity{display:flex;flex-direction:column;gap:2px;padding:2px 2px 14px}
.account-name{font-size:14px;font-weight:600;overflow-wrap:anywhere}
.account-email{font-size:12px;color:var(--muted);overflow-wrap:anywhere}
.account-status{font-size:11px;color:var(--mint-deep);margin-top:4px}
.account-link{display:block;height:40px;line-height:40px;padding:0 11px;margin-bottom:8px;border-radius:8px;font-size:13px;color:#303240;text-decoration:none}
.account-link:hover{background:var(--mint-wash);color:var(--mint-deep)}
.account-logout{width:100%;height:40px;border:1px solid var(--line);border-radius:8px;background:transparent;text-align:left;padding:0 11px;color:#303240;font-size:13px;cursor:pointer}
.account-logout:hover{border-color:#c3c3d6;background:var(--mint-wash);color:var(--mint-deep)}
.lang{position:relative}
.lang-toggle{height:44px;border-radius:11px;padding:0 14px;background:transparent;border:1px solid transparent;display:flex;align-items:center;gap:8px;font-size:15px;color:#3f4150}
.lang-toggle:hover{border-color:var(--line);background:var(--card)}
.lang-toggle .caret{font-size:12px;color:#8c8d9e;transition:transform .18s ease}
.lang[data-open="true"] .lang-toggle .caret{transform:rotate(180deg)}
.lang-menu{position:absolute;top:52px;right:0;min-width:168px;background:var(--card);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:6px;display:none;flex-direction:column;gap:2px}
.lang[data-open="true"] .lang-menu{display:flex}
.lang-menu button{height:42px;border:0;background:transparent;border-radius:8px;text-align:left;padding:0 12px;font-size:14px;display:flex;align-items:center;justify-content:space-between;gap:10px}
.lang-menu button:hover{background:var(--mint-wash);color:var(--mint-deep)}
.lang-menu button[aria-checked="true"]:after{content:"✓";color:var(--mint-deep)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:11px;border:1px solid var(--line);background:var(--card);align-items:center;justify-content:center}
.nav-toggle span{display:block;width:17px;height:1.5px;background:var(--ink);position:relative}
.nav-toggle span:before,.nav-toggle span:after{content:"";position:absolute;left:0;width:17px;height:1.5px;background:var(--ink)}
.nav-toggle span:before{top:-5px}.nav-toggle span:after{top:5px}

/* ---------- buttons ---------- */
.btn{height:50px;border-radius:11px;padding:0 22px;display:inline-flex;align-items:center;justify-content:center;gap:9px;font-size:15px;font-weight:500;text-decoration:none;border:1px solid transparent;background:transparent;transition:transform .16s ease,box-shadow .16s ease,background .16s ease,border-color .16s ease;white-space:nowrap}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{box-shadow:0 10px 22px rgba(25,25,40,.2)}
.btn-outline{border-color:var(--line);background:var(--card);color:#303240}
.btn-outline:hover{border-color:#c3c3d6}
.btn-mint{background:var(--mint-deep);color:#fff}
.btn-mint:hover{box-shadow:0 10px 22px rgba(106,85,230,.28)}
.btn-ghost{color:#303240}
.btn-ghost:hover{background:var(--mint-wash);color:var(--mint-deep)}
.btn-block{width:100%}
.btn-lg{height:56px;font-size:16px;padding:0 26px}
.btn[disabled],.btn[aria-disabled="true"]{opacity:.55;pointer-events:none}
.btn[hidden]{display:none}

/* ---------- typography / sections ---------- */
.section{padding:96px 0}
.section-tight{padding:64px 0}
.section-alt{background:linear-gradient(180deg,#fff 0%,var(--mint-wash) 100%)}
.eyebrow{font-size:11px;letter-spacing:.09em;text-transform:uppercase;color:var(--mint-deep);margin:0 0 14px;font-weight:600}
.display{font-family:var(--serif);font-size:62px;line-height:1.05;letter-spacing:-2.8px;font-weight:500;margin:0 0 20px}
.h2{font-family:var(--serif);font-size:42px;line-height:1.1;letter-spacing:-1.8px;font-weight:500;margin:0 0 16px}
.h3{font-family:var(--serif);font-size:26px;line-height:1.18;letter-spacing:-.9px;font-weight:500;margin:0 0 10px}
.lead{font-size:19px;line-height:1.6;color:#5c5e6e;letter-spacing:-.3px;margin:0 0 32px;max-width:660px}
.body-copy{font-size:15px;line-height:1.72;color:var(--muted);margin:0}
.section-head{max-width:720px;margin:0 auto 56px;text-align:center}
.section-head .lead{margin-left:auto;margin-right:auto}
.chip{border:1px solid #ddd6f8;background:#f8f7fe;border-radius:6px;padding:8px 12px;color:#5747c7;font-size:12.5px;display:inline-flex;align-items:center;gap:7px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.card{background:var(--card);border:1px solid #e6e6f2;border-radius:var(--radius);padding:28px;box-shadow:0 1px 2px rgba(35,35,60,.04)}
.divider{height:1px;background:var(--line-soft);border:0;margin:0}
/* ---------- home hero ---------- */
.hero{max-width:1240px;margin:36px auto 0;padding:0 44px 8px;display:grid;grid-template-columns:minmax(470px,530px) minmax(540px,610px);gap:90px;align-items:start}
.hero-left{display:flex;flex-direction:column;align-items:flex-start}
.hero h1{font-family:var(--serif);font-size:72px;line-height:1.05;letter-spacing:-4px;font-weight:500;margin:0 0 24px;max-width:520px}
.zh-kicker{font-size:20px;line-height:1.55;color:#5c5e6e;margin:0 0 36px;letter-spacing:-.4px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:34px}
.note{display:flex;align-items:center;gap:9px;margin:22px 0 0;font-size:13px;color:#757684}
.note-dot{width:8px;height:8px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 4px var(--mint-pale);flex:none}
.scenario-card{width:100%;max-width:520px;border-top:1px solid #dcdcea;border-bottom:1px solid #dcdcea;padding:18px 0 22px}
.scene-tabs{display:grid;grid-template-columns:repeat(4,1fr);gap:2px;padding:3px;background:#eff0f7;border-radius:8px}
.scene-tab{height:48px;border:0;border-radius:6px;background:transparent;font-size:16px;font-weight:600;transition:background .2s ease,color .2s ease}
.scene-tab:hover{background:#edeafc}
.scene-tab[aria-selected="true"]{background:var(--mint);color:#fff}
.scene-summary{padding:28px 2px 2px;min-height:236px;display:flex;flex-direction:column;align-items:flex-start}
.scene-title{font-family:var(--serif);font-size:34px;line-height:1.07;letter-spacing:-1.4px;font-weight:500;margin:0 0 12px}
.scene-copy{font-size:14px;line-height:1.68;color:#666877;max-width:500px;margin:0 0 20px}
.scene-bottom{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;width:100%}
.scene-features{max-width:380px}
.scene-cta{height:46px;border:0;border-radius:6px;padding:0 18px;background:var(--ink);color:#fff;font-size:13px;white-space:nowrap;text-decoration:none;display:inline-flex;align-items:center}

/* ---------- showcase mock ---------- */
.showcase{border:1px solid #ddddeb;border-radius:14px;min-height:720px;background:#f1effc;position:relative;overflow:hidden;padding:18px;display:flex;flex-direction:column}
.video-top{height:36px;display:flex;align-items:center;justify-content:space-between;padding:0 4px 12px;color:#6b64a0;font-size:11px}
.video-live{display:flex;align-items:center;gap:7px}
.video-live i{width:7px;height:7px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 4px rgba(139,124,246,.18)}
/* media slot — holds a future video/animation; the mock is the placeholder */
.media-slot{position:relative;flex:1;display:flex;min-height:0;border-radius:8px;overflow:hidden}
.media-slot>.video-window,.media-video{flex:1;min-height:0}
.media-video{width:100%;object-fit:cover;background:#14122b;border:1px solid #e2def6;border-radius:8px;display:block}
.media-toggle{position:absolute;left:12px;bottom:12px;z-index:3;height:36px;padding:0 14px 0 12px;display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(35,30,75,.14);border-radius:999px;background:rgba(255,255,255,.92);backdrop-filter:blur(6px);color:#332e5c;font-size:12.5px;font-weight:500;box-shadow:0 6px 18px rgba(35,30,75,.14);transition:transform .16s ease,box-shadow .16s ease}
.media-toggle:hover{transform:translateY(-1px);box-shadow:0 10px 24px rgba(35,30,75,.2)}
.media-icon{width:12px;height:12px;flex:none;position:relative}
.media-icon:before,.media-icon:after{content:"";position:absolute;top:0;width:3.5px;height:12px;border-radius:1px;background:currentColor}
.media-icon:before{left:1px}
.media-icon:after{right:1px}
[data-media-state="paused"] .media-icon:before{left:2px;width:0;height:0;top:0;border-radius:0;border-left:9px solid currentColor;border-top:6px solid transparent;border-bottom:6px solid transparent;background:transparent}
[data-media-state="paused"] .media-icon:after{display:none}
[data-media-state="paused"] .progress:after,[data-media-state="paused"] .video-scene{animation-play-state:paused}
[data-media-state="playing"] .progress:after{animation:progress-pulse 3.2s ease-in-out infinite}
@keyframes progress-pulse{0%,100%{width:38%}50%{width:86%}}
/* feature-visual doubles as a media slot: reserve room for the injected toggle */
.feature-visual.media-slot{padding-bottom:64px}
.feature-visual.media-slot .panel{transition:transform .4s ease}
.feature-visual.media-slot[data-media-state="playing"] .panel:nth-child(2){animation:panel-drift 5.4s ease-in-out infinite}
.feature-visual.media-slot[data-media-state="paused"] .panel{animation-play-state:paused}
@keyframes panel-drift{0%,100%{transform:none}50%{transform:translateY(-4px)}}
@media (prefers-reduced-motion:reduce){
  .progress:after,.video-scene,.panel{animation:none!important}
}
.video-window{position:relative;flex:1;background:#fff;border:1px solid #e2def6;border-radius:8px;overflow:hidden}
.video-scene{position:absolute;inset:0;opacity:0;transform:translateY(8px);pointer-events:none;transition:opacity .28s ease,transform .28s ease;display:grid;grid-template-columns:160px 1fr}
.video-scene.active{opacity:1;transform:none;pointer-events:auto}
.mock-side{background:#f4f3fb;border-right:1px solid #e7e5f2;padding:20px 14px}
.mock-logo{font-weight:600;font-size:15px;margin-bottom:24px}
.mock-new{height:35px;border-radius:5px;background:#191a22;color:#fff;display:grid;place-items:center;font-size:11px;margin-bottom:18px}
.mock-menu{height:9px;border-radius:2px;background:#e4e2f0;margin:13px 4px}
.mock-menu.active{height:32px;background:#fff;border:1px solid #e2dff0;margin:8px 0;padding:9px;color:#6a55e6;font-size:10px}
.mock-main{padding:28px 30px;position:relative}
.mock-label{font-size:11px;color:var(--mint-deep);margin-bottom:16px}
.mock-heading{font-family:var(--serif);font-size:34px;line-height:1.07;letter-spacing:-1.2px;max-width:440px;margin-bottom:26px}
.mock-prompt{border-top:1px solid #e5e2f4;border-bottom:1px solid #e5e2f4;padding:16px 2px;font-size:12px;line-height:1.6;color:#505260;margin-bottom:20px}
.mock-agents{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.agent-task{border:1px solid #e5e2f4;border-radius:6px;padding:15px;background:#fff;font-size:10px;color:#6a6c85}
.agent-task strong{display:block;color:#252732;font-size:11px;margin-bottom:7px}
.progress{height:4px;background:#eae7f8;border-radius:2px;margin-top:12px;overflow:hidden}
.progress:after{content:"";display:block;height:100%;width:72%;background:var(--mint)}
.result-card{position:absolute;right:30px;bottom:28px;width:220px;background:#1f3d2f;color:#fff;border-radius:7px;padding:19px}
.result-card small{font-size:9px;color:#9ed9c0}
.result-card strong{font-family:var(--serif);display:block;font-size:20px;line-height:1.15;margin:11px 0 14px;font-weight:500}
.result-line{height:4px;border-radius:2px;background:#40715f;margin:7px 0}
.result-line.short{width:64%}

/* ---------- generic grids ---------- */
.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.stat{background:var(--card);padding:26px 24px}
.stat b{display:block;font-family:var(--serif);font-size:34px;letter-spacing:-1.4px;font-weight:500;margin-bottom:4px}
.stat span{font-size:13px;color:var(--muted)}
/* ---------- page hero (inner pages) ---------- */
.page-hero{padding:76px 0 12px;text-align:center}
.page-hero .display{max-width:860px;margin:0 auto 20px}
.page-hero .lead{margin:0 auto}

/* ---------- feature blocks ---------- */
.feature-block{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:72px;align-items:center;padding:78px 0;border-top:1px solid var(--line)}
.feature-block:first-of-type{border-top:0}
.feature-block.reverse .feature-visual{order:-1}
.feature-index{font-family:var(--serif);font-size:14px;color:var(--mint-deep);letter-spacing:.06em;margin:0 0 12px}
.feature-list{list-style:none;margin:22px 0 0;padding:0;display:grid;gap:14px}
.feature-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;line-height:1.6}
.feature-list .tick{width:20px;height:20px;border-radius:50%;background:var(--mint-pale);color:var(--mint-deep);display:grid;place-items:center;font-size:11px;flex:none;margin-top:3px}
.feature-list b{font-weight:600}
.feature-list p{margin:2px 0 0;color:var(--muted);font-size:14px}
.feature-visual{background:var(--mint-wash);border:1px solid #e2def6;border-radius:18px;padding:24px;min-height:380px;display:flex;flex-direction:column;gap:14px}
.panel{background:#fff;border:1px solid #e2def6;border-radius:10px;padding:16px 18px}
.panel-head{display:flex;align-items:center;justify-content:space-between;font-size:11px;color:var(--mint-deep);letter-spacing:.05em;text-transform:uppercase;margin-bottom:12px}
.panel-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 0;border-top:1px solid var(--line-soft);font-size:13px;color:#3f4152}
.panel-row:first-of-type{border-top:0}
.panel-row .tag{font-size:11px;color:var(--mint-deep);background:var(--mint-pale);border-radius:4px;padding:3px 8px}
.avatar-row{display:flex;align-items:center}
.avatar{width:34px;height:34px;border-radius:50%;border:2px solid #fff;background:#e5e0fb;color:#5747c7;display:grid;place-items:center;font-size:12px;font-weight:600;margin-right:-8px}
.avatar.bot{background:#1f3d2f;color:#9ed9c0;border-radius:10px}
.flow{display:grid;gap:10px}
.flow-step{display:flex;gap:12px;align-items:flex-start;font-size:13px;color:#414353}
.flow-dot{width:9px;height:9px;border-radius:50%;background:var(--mint);margin-top:6px;flex:none;box-shadow:0 0 0 3px rgba(139,124,246,.22)}
.logo-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.logo-cell{background:#fff;border:1px solid #e6e6f2;border-radius:10px;height:74px;display:grid;place-items:center;text-align:center;font-size:12.5px;color:#4c4e60;padding:8px;line-height:1.35;transition:border-color .18s ease,transform .18s ease}
.logo-cell:hover{border-color:var(--mint);transform:translateY(-2px)}

/* ---------- pricing ---------- */
.billing-switch{display:flex;justify-content:center;margin-bottom:14px}
.billing-status{margin:0 auto 18px;text-align:center;color:var(--mint-deep);font-size:14px;min-height:20px}
.billing-status[data-state="error"]{color:#a33a35}
.billing-page{padding-bottom:80px}
.billing-confirm-page{max-width:680px;margin:0 auto 60px;padding:28px;background:var(--card);border:1px solid var(--line-soft);border-radius:12px}
.billing-order-head,.billing-order-row,.billing-order-total{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 0;border-bottom:1px solid var(--line-soft)}
.billing-order-head strong{font-size:22px;color:var(--ink)}
.billing-order-label,.billing-order-row span:first-child,.billing-order-total span{color:var(--muted)}
.billing-order-total{border-bottom:0;padding-top:22px;font-size:16px}
.billing-order-total strong{font-size:28px;color:var(--mint-deep)}
.billing-discount{color:var(--mint-deep)}
.billing-coupon{margin:12px 0;color:var(--mint-deep);font-size:13px}
.billing-actions{display:flex;justify-content:flex-end;gap:12px;flex-wrap:wrap;margin-top:20px}
.billing-actions .btn{margin:0}
.seg{display:inline-flex;gap:4px;background:#efeff7;border-radius:12px;padding:5px}
.seg button{height:44px;border:0;border-radius:9px;background:transparent;padding:0 24px;font-size:15px;color:#60616e;transition:background .18s ease,color .18s ease,box-shadow .18s ease}
.seg button:disabled{opacity:.45;cursor:not-allowed}
.seg button[aria-selected="true"]{background:#fff;color:var(--ink);box-shadow:0 1px 3px rgba(35,35,60,.1)}
.seg-save{background:var(--mint-pale);color:var(--mint-deep);font-size:11.5px;font-weight:600;border-radius:999px;padding:3px 9px;margin-left:8px}
.seg button[aria-selected="true"] .seg-save{background:var(--mint-deep);color:#fff}
.annual-hint{text-align:center;font-size:13px;color:var(--muted);margin:0 0 40px}
.plan-grid{display:grid;gap:0;align-items:stretch;background:var(--card);border:1px solid #e6e6f2;border-radius:20px}
.plan-grid[data-count="4"]{grid-template-columns:repeat(4,1fr)}
.plan-grid[data-count="3"]{grid-template-columns:repeat(3,1fr)}
.plan-grid[data-count="2"]{grid-template-columns:repeat(2,minmax(0,480px));justify-content:center}
.plan{position:relative;display:flex;flex-direction:column;border-left:1px solid var(--line-soft);transition:background .18s ease}
.plan:first-child{border-left:0}
.plan:hover{background:#fcfcfe}
.plan-body{display:flex;flex-direction:column;height:100%;padding:34px 26px 32px}
.plan.featured{background:var(--mint-wash);border:1px solid var(--mint);border-radius:20px;margin:-1px;box-shadow:0 18px 40px rgba(106,85,230,.14);z-index:1}
.plan.featured .plan-body{padding-top:14px}
.plan-ribbon{background:var(--mint-deep);color:#fff;font-size:11px;letter-spacing:.08em;text-transform:uppercase;font-weight:600;text-align:center;margin:0;padding:11px 12px;border-radius:19px 19px 0 0}
.plan-name{font-family:var(--serif);font-size:32px;line-height:1;letter-spacing:-1.4px;font-weight:500;margin:0 0 10px}
.plan-tagline{font-size:14px;line-height:1.5;color:var(--muted);margin:0;min-height:42px}
.plan-money{margin-top:26px;margin-bottom:22px}
.plan-promo{display:inline-block;border:1px solid var(--mint);background:var(--card);color:var(--mint-deep);font-size:11px;letter-spacing:.05em;text-transform:uppercase;font-weight:600;border-radius:999px;padding:5px 11px;margin:0 0 14px}
.plan-price{display:flex;align-items:baseline;gap:8px;margin:0;min-height:48px}
.plan-price s{font-size:22px;font-weight:500;color:var(--soft);letter-spacing:-.6px}
.plan-price b{font-size:42px;font-weight:600;letter-spacing:-2px;line-height:1}
.plan-price .unit{font-size:13px;font-weight:400;color:var(--muted);letter-spacing:0}
.plan-price-contact{font-size:14.5px;color:var(--ink);gap:10px;align-items:center}
.contact-mark{width:22px;height:22px;border-radius:50%;background:var(--mint-pale);border:1px solid var(--mint);flex:none}
.plan-unit{font-size:12.5px;color:var(--muted);margin:8px 0 0}
.plan-fine{font-size:12.5px;line-height:1.55;color:var(--soft);margin:10px 0 0;min-height:56px}
.plan .btn{margin-bottom:10px}
.plan-nocommit{font-size:12px;color:var(--soft);text-align:center;margin:0 0 4px}
.plan-features{list-style:none;margin:22px 0 0;padding:22px 0 0;border-top:1px solid var(--line-soft);display:grid;gap:12px}
.plan-features li{display:flex;gap:10px;font-size:13.5px;line-height:1.5;color:#333546}
.plan-features .tick{color:var(--mint-deep);flex:none}
.plan-features .head{font-weight:600;display:block;color:var(--ink)}

/* Side-by-side cards share the grid's row tracks via subgrid: every block owns
   a fixed row, so a plan that skips one (Free has no promo pill, Enterprise no
   unit line) leaves that row empty instead of pulling the rest up. Keeps the
   price, CTA and feature divider on one line across the row. Below 760px the
   cards stack, where there is nothing to align. */
@media(min-width:761px){
  .plan-grid[data-count="4"] .plan{display:grid;grid-template-rows:subgrid}
  .plan-grid[data-count="4"] .plan-body{grid-row:1/-1;display:grid;grid-template-rows:subgrid;padding-top:58px}
  .plan-grid[data-count="4"] .plan-ribbon{position:absolute;inset:0 0 auto;height:38px;display:flex;align-items:center;justify-content:center;padding:0 12px}
  .plan-grid[data-count="4"] .plan-name{grid-row:1}
  .plan-grid[data-count="4"] .plan-tagline{grid-row:2}
  .plan-grid[data-count="4"] .plan-money{grid-row:3/span 4;display:grid;grid-template-rows:subgrid}
  .plan-grid[data-count="4"] .plan-promo{grid-row:1;justify-self:start}
  .plan-grid[data-count="4"] .plan-price{grid-row:2}
  .plan-grid[data-count="4"] .plan-unit{grid-row:3}
  .plan-grid[data-count="4"] .plan-fine{grid-row:4}
  .plan-grid[data-count="4"] .plan-body>.btn{grid-row:7}
  .plan-grid[data-count="4"] .plan-nocommit{grid-row:8}
  .plan-grid[data-count="4"] .plan-features{grid-row:9}
}
/* one row of four */
@media(min-width:1081px){
  .plan-grid[data-count="4"]{grid-template-rows:repeat(9,auto)}
  .plan-grid[data-count="4"] .plan{grid-row:1/-1}
}
/* two rows of two: each pair gets its own band of nine tracks */
@media(min-width:761px) and (max-width:1080px){
  .plan-grid[data-count="4"]{grid-template-rows:repeat(18,auto)}
  .plan-grid[data-count="4"] .plan:nth-child(-n+2){grid-row:1/10}
  .plan-grid[data-count="4"] .plan:nth-child(n+3){grid-row:10/19}
}

/* ---------- download ---------- */
.dl-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.dl-card{background:var(--card);border:1px solid #e6e6f2;border-radius:18px;padding:28px;display:flex;flex-direction:column;transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease}
.dl-card:hover{border-color:#c9cade;transform:translateY(-2px);box-shadow:var(--shadow)}
.dl-card h3{font-family:var(--serif);font-size:24px;letter-spacing:-.9px;font-weight:500;margin:0 0 6px}
.dl-card .btn{margin-top:auto}
.detect-card{max-width:880px;margin:0 auto;background:var(--card);border:1px solid var(--line);border-radius:20px;padding:30px 34px;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;box-shadow:var(--shadow)}
.detect-info{min-width:0}
.detect-label{font-size:11px;letter-spacing:.09em;text-transform:uppercase;color:var(--mint-deep);font-weight:600;margin:0 0 8px}
.detect-os{font-family:var(--serif);font-size:34px;line-height:1.1;letter-spacing:-1.3px;font-weight:500;margin:0 0 8px}
.detect-meta{font-size:14px;color:var(--muted);margin:0}
.detect-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.detect-note{max-width:880px;margin:16px auto 0;text-align:center;font-size:12.5px;line-height:1.6;color:var(--soft)}
.dl-card.recommended{border-color:var(--mint);box-shadow:0 14px 32px rgba(106,85,230,.12)}
.dl-flag{align-self:flex-start;background:var(--mint-pale);color:var(--mint-deep);font-size:11px;letter-spacing:.05em;border-radius:999px;padding:5px 11px;margin-bottom:14px}
.dl-note{font-size:13.5px;color:var(--muted);margin:0 0 14px;line-height:1.6}
.dl-file{font-size:12.5px;color:var(--soft);margin:0 0 22px}
.dl-file code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;color:#4c4e60;background:#f2f2f9;border-radius:5px;padding:2px 6px}
.toast{position:fixed;left:50%;bottom:32px;transform:translate(-50%,14px);background:var(--ink);color:#fff;font-size:13.5px;padding:12px 20px;border-radius:999px;box-shadow:0 12px 30px rgba(0,0,0,.22);opacity:0;transition:opacity .2s ease,transform .2s ease;z-index:200;max-width:calc(100vw - 40px);text-align:center}
.toast.is-in{opacity:1;transform:translate(-50%,0)}

/* ---------- auth ---------- */
.auth-card{background:var(--card);border:1px solid #e2e2ee;border-radius:24px;padding:36px 38px 30px;box-shadow:var(--shadow)}
.auth-step{animation:step-in .28s ease both}
@keyframes step-in{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.field{margin-bottom:18px;display:block}
.field-error{font-size:12.5px;color:#a83c30;margin:8px 0 0}
.auth-body{display:flex;flex-direction:column;min-height:100vh}
.auth-main{flex:1;display:flex;align-items:center}
.auth-shell{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,480px);gap:74px;align-items:center;padding:48px 0 84px}
.h1{font-family:var(--serif);font-size:46px;line-height:1.08;letter-spacing:-2px;font-weight:500;margin:0 0 18px}
.auth-title{font-family:var(--serif);font-size:31px;line-height:1.15;letter-spacing:-1.2px;font-weight:500;margin:0 0 8px}
.auth-sub{font-size:14.5px;line-height:1.65;color:var(--muted);margin:0 0 26px}
.field input{width:100%;height:54px;border:1px solid var(--line);border-radius:11px;background:#fff;padding:0 15px;font:inherit;font-size:15px;color:var(--ink);transition:border-color .16s ease,box-shadow .16s ease}
.field input::placeholder{color:#a1a2b2}
.field input:focus{outline:0;border-color:var(--mint);box-shadow:0 0 0 3px rgba(139,124,246,.18)}
.field-label{display:block;font-size:13px;font-weight:600;margin-bottom:8px;color:#333546}
.field-error:not([hidden]){display:block}
.code-input{letter-spacing:.44em;font-size:20px!important;font-variant-numeric:tabular-nums;text-align:center}
.auth-row{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:20px;flex-wrap:wrap}
.link-btn{background:transparent;border:0;padding:0;font-size:13.5px;color:var(--mint-deep);border-bottom:1px solid rgba(106,85,230,.35)}
.link-btn:hover{color:var(--ink);border-bottom-color:var(--ink)}
.link-btn:disabled{color:var(--soft);border-bottom-color:transparent;cursor:default}
.auth-fine{font-size:12px;line-height:1.55;color:#737480;text-align:center;margin:22px 3px 0}
.auth-done{text-align:center}
.auth-done .auth-sub{margin-bottom:26px}
.auth-done .btn{margin-bottom:10px}
.done-mark{width:56px;height:56px;border-radius:50%;background:var(--mint-pale);color:var(--mint-deep);display:grid;place-items:center;font-size:24px;margin:0 auto 20px}
.auth-aside{padding-right:20px}
.auth-points{list-style:none;margin:28px 0 0;padding:0;display:grid;gap:18px;max-width:460px}
.auth-points li{display:flex;gap:13px;font-size:15px;line-height:1.6}
.auth-points .tick{width:22px;height:22px;border-radius:50%;background:var(--mint-pale);color:var(--mint-deep);display:grid;place-items:center;font-size:11px;flex:none;margin-top:2px}
.auth-points b{display:block;font-weight:600}
.auth-points span{color:var(--muted);font-size:14px}

/* ---------- comparison table ---------- */
.table-wrap{background:var(--card);border:1px solid var(--line);border-radius:18px;overflow-x:auto;box-shadow:var(--shadow)}
.cmp{width:100%;border-collapse:collapse;font-size:14.5px;min-width:720px}
.cmp th,.cmp td{text-align:left;padding:16px 20px;border-top:1px solid var(--line-soft)}
.cmp thead th{border-top:0;background:var(--mint-wash);font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--mint-deep);font-weight:600;white-space:nowrap}
.cmp tbody td:first-child{font-weight:500;color:var(--ink)}
.cmp tbody td{color:var(--muted)}
.cmp tbody tr:hover td{background:#fafafe}
.cmp .yes{color:var(--mint-deep);font-weight:600}
.cmp .no{color:#b4b5c4}

/* ---------- steps ---------- */
.step-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.step-card{background:var(--card);border:1px solid #e6e6f2;border-radius:18px;padding:30px 28px}
.step-num{width:34px;height:34px;border-radius:50%;background:var(--mint-pale);color:var(--mint-deep);display:grid;place-items:center;font-size:14px;font-weight:600;margin-bottom:18px}
.step-card h3{font-family:var(--serif);font-size:23px;letter-spacing:-.8px;font-weight:500;margin:0 0 8px}
.step-card p{margin:0;color:var(--muted);font-size:14.5px;line-height:1.65}

/* ---------- faq (details) ---------- */
.faq{max-width:820px;margin:0 auto}
.faq details{border-top:1px solid var(--line)}
.faq details:last-of-type{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;padding:22px 40px 22px 4px;font-size:16.5px;font-weight:500;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";position:absolute;right:8px;top:50%;transform:translateY(-50%);color:var(--mint-deep);font-size:20px;transition:transform .2s ease}
.faq details[open] summary:after{transform:translateY(-50%) rotate(45deg)}
.faq details p{margin:-6px 4px 22px;color:var(--muted);font-size:14.5px;line-height:1.7;max-width:700px}

/* ---------- toast ---------- */
.toast{position:fixed;left:50%;bottom:34px;transform:translate(-50%,14px);background:#1f3d2f;color:#f0eefc;font-size:14px;line-height:1.5;padding:14px 20px;border-radius:12px;max-width:min(560px,calc(100vw - 40px));box-shadow:0 18px 40px rgba(35,30,75,.26);opacity:0;transition:opacity .28s ease,transform .28s ease;z-index:90}
.toast.is-in{opacity:1;transform:translate(-50%,0)}

/* ---------- cta band + footer ---------- */
.cta-band{background:#1f3d2f;color:#fff;border-radius:24px;padding:58px 56px;display:flex;align-items:center;justify-content:space-between;gap:44px;flex-wrap:wrap}
.cta-band h2{font-family:var(--serif);font-size:38px;line-height:1.1;letter-spacing:-1.6px;font-weight:500;margin:0 0 10px}
.cta-band p{margin:0;color:#a9c8bc;font-size:15.5px;max-width:520px}
.cta-band .btn-outline{background:transparent;border-color:rgba(255,255,255,.28);color:#fff}
.cta-band .btn-outline:hover{border-color:#fff}
.cta-band .btn-primary{background:#fff;color:#1f3d2f}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.site-footer{border-top:1px solid var(--line);margin-top:96px;padding:56px 0 40px;color:var(--muted);font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:40px}
.footer-brand p{margin:14px 0 0;max-width:280px;font-size:13.5px;line-height:1.65}
.footer-col h4{font-size:12px;letter-spacing:.07em;text-transform:uppercase;color:#4b4c58;margin:0 0 16px;font-weight:600}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:11px}
.footer-col a{text-decoration:none;font-size:14px;transition:color .16s ease}
.footer-col a:hover{color:var(--mint-deep)}
.footer-base{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-top:44px;padding-top:22px;border-top:1px solid var(--line-soft);font-size:12.5px;color:var(--soft)}
/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .5s ease,transform .5s ease}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*:before,*:after{transition-duration:.01ms !important;animation-duration:.01ms !important}
  .reveal{opacity:1;transform:none}
}

/* ---------- responsive ---------- */
@media(max-width:1280px){
  .container,.header-inner,.hero{padding-left:32px;padding-right:32px}
  .hero{max-width:1140px;grid-template-columns:minmax(430px,.95fr) minmax(520px,1.05fr);gap:56px}
  .hero h1{font-size:64px;letter-spacing:-3.4px}
  .display{font-size:54px;letter-spacing:-2.4px}
  .feature-block{gap:48px}
}
@media(max-width:1080px){
  .nav{display:none}
  .nav-toggle{display:flex}
  .site-header.nav-open .nav{display:flex;position:absolute;top:88px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:8px 32px 18px;box-shadow:var(--shadow)}
  .site-header.nav-open .nav a{padding:15px 0;border-bottom:1px solid var(--line-soft)}
  .site-header.nav-open .nav a[aria-current="page"]{border-bottom-color:var(--mint)}
  .hero{grid-template-columns:1fr;gap:44px;margin-top:22px}
  .hero h1{font-size:60px;max-width:none}
  .scenario-card{max-width:none}
  .showcase{min-height:640px}
  .video-scene{grid-template-columns:132px 1fr}
  .mock-heading{font-size:28px}
  .feature-block{grid-template-columns:1fr;gap:36px;padding:60px 0}
  .feature-block.reverse .feature-visual{order:0}
  .grid-3,.grid-4,.dl-grid,.plan-grid[data-count="3"],.plan-grid[data-count="4"]{grid-template-columns:repeat(2,1fr)}
  .plan-grid[data-count="2"]{grid-template-columns:repeat(2,minmax(0,1fr))}
  .plan-grid[data-count="4"] .plan:nth-child(3){border-left:0}
  .plan-grid[data-count="4"] .plan:nth-child(n+3){border-top:1px solid var(--line-soft)}
  .plan.featured{margin:0;border-radius:0}
  .plan-ribbon{border-radius:0}
  .stat-row{grid-template-columns:repeat(2,1fr)}
  .auth-wrap{grid-template-columns:1fr;gap:44px;padding-top:32px}
  .auth-aside{padding-right:0}
  .auth-shell{grid-template-columns:1fr;gap:44px;padding:36px 0 64px}
  .step-grid{grid-template-columns:1fr 1fr}
  .h1{font-size:38px;letter-spacing:-1.6px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:72px 0}
}
@media(max-width:760px){
  .container,.header-inner,.hero{padding-left:20px;padding-right:20px}
  .header-inner{height:76px}
  .site-header.nav-open .nav{top:76px;padding:8px 20px 16px}
  .brand{font-size:21px}
  .hero h1{font-size:46px;letter-spacing:-2.4px}
  .zh-kicker{font-size:17px}
  .display{font-size:40px;letter-spacing:-1.8px}
  .h2{font-size:31px;letter-spacing:-1.2px}
  .h3{font-size:22px}
  .lead{font-size:17px}
  .page-hero{padding-top:52px}
  .scene-tabs{padding:3px}
  .scene-tab{height:44px;font-size:14px}
  .scene-summary{min-height:0;padding-top:22px}
  .scene-title{font-size:29px}
  .scene-bottom{display:block}
  .scene-features{max-width:none;margin-bottom:14px}
  .scene-cta{width:100%;justify-content:center}
  .hero-cta .btn{flex:1 1 100%}
  .showcase{min-height:500px;border-radius:10px;padding:12px}
  .video-scene{grid-template-columns:1fr}
  .mock-side{display:none}
  .mock-main{padding:22px 18px}
  .mock-heading{font-size:26px}
  .mock-agents{grid-template-columns:1fr}
  .agent-task:nth-child(2){display:none}
  .result-card{right:16px;bottom:16px;width:180px}
  .grid-2,.grid-3,.grid-4,.dl-grid,.stat-row,.plan-grid[data-count="2"],.plan-grid[data-count="3"],.plan-grid[data-count="4"]{grid-template-columns:1fr}
  .logo-grid{grid-template-columns:repeat(2,1fr)}
  .seg{width:100%}
  .seg button{flex:1;padding:0 10px;font-size:14px}
  .seg-save{margin-left:6px;padding:2px 7px;font-size:10.5px}
  .plan-grid[data-count="4"] .plan{border-left:0}
  .plan-grid[data-count="4"] .plan:nth-child(n+2){border-top:1px solid var(--line-soft)}
  .plan-body{padding:28px 22px 30px}
  .plan-name{font-size:29px}
  .plan-tagline{min-height:0}
  .plan-fine,.plan-price{min-height:0}
  .detect-card{flex-direction:column;align-items:flex-start;gap:18px;padding:24px}
  .detect-actions{width:100%;flex-direction:column;align-items:stretch}
  .detect-actions .btn{width:100%}
  .auth-card{padding:28px 22px 24px;border-radius:18px}
  .auth-card h1{font-size:29px}
  .h1{font-size:32px;letter-spacing:-1.3px}
  .auth-title{font-size:26px}
  .step-grid{grid-template-columns:1fr}
  .detect-card{padding:24px 22px;border-radius:18px}
  .detect-os{font-size:28px}
  .detect-actions{width:100%}
  .detect-actions .btn{flex:1 1 100%;justify-content:center}
  .auth-row{gap:10px}
  .cta-band{padding:38px 26px;border-radius:18px}
  .cta-band h2{font-size:30px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{margin-top:64px}
  .section{padding:60px 0}
}

/* ---------- contact page ---------- */
.card-grid{display:grid;grid-template-columns:repeat(var(--cols,2),1fr);gap:var(--space-4)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:32px;display:flex;flex-direction:column;gap:16px}
.card-icon{font-size:32px;line-height:1}
.card h3{margin:0}
.card p{margin:8px 0}
.card .btn{margin-top:auto;align-self:flex-start}
.notice{background:var(--mint-wash);border:1px solid var(--mint-pale);border-radius:12px;padding:20px 24px;display:flex;flex-direction:column;gap:8px}
.notice a{color:var(--mint-deep)}
.contact-form{max-width:680px;display:flex;flex-direction:column;gap:var(--space-3)}
.form-row{display:grid;grid-template-columns:repeat(var(--cols,1),1fr);gap:var(--space-3)}
.form-field{display:flex;flex-direction:column;gap:8px}
.form-field span{font-size:14px;font-weight:500;color:var(--ink)}
.form-field input,.form-field select,.form-field textarea{font:inherit;padding:12px 16px;border:1px solid var(--line);border-radius:10px;background:var(--card);color:var(--ink);transition:border-color .18s ease}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{outline:none;border-color:var(--mint)}
.form-field input[aria-invalid="true"],.form-field select[aria-invalid="true"],.form-field textarea[aria-invalid="true"]{border-color:#d93025}
.form-field textarea{resize:vertical;min-height:120px}
.form-actions{display:flex;gap:12px;padding-top:var(--space-2)}
.contact-status{margin:0;padding:12px 16px;border-radius:8px;background:var(--mint-wash);color:var(--mint-deep);overflow-wrap:anywhere}
.contact-status[data-state="error"]{background:#fff1f0;color:#a02b24}
.contact-status[hidden]{display:none}
.contact-form[aria-busy="true"] .form-field{opacity:.7}

@media(max-width:768px){
  .card-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
}

/* ============================================================
   2026 brand refresh · playful layer
   violet #8b7cf6 · pine #1f3d2f · teal #2cc5b6 · rounded & bold
   ============================================================ */

/* headings: bold rounded sans instead of serif */
.display,.h1,.h2,.h3,.hero h1,.scene-title,.mock-heading,.plan-name,.auth-title,
.detect-os,.stat b,.dl-card h3,.step-card h3,.cta-band h2,.result-card strong,
.billing-order-head strong{font-family:var(--sans);font-weight:800}
.display{letter-spacing:-2px}
.h2{letter-spacing:-1.3px}
.h3{letter-spacing:-.6px}
.scene-title{letter-spacing:-1px}
.plan-name{letter-spacing:-1px}
.feature-index{font-family:var(--sans);font-weight:700}

/* pill buttons & rounder surfaces */
.btn{border-radius:999px;font-weight:600}
.btn-primary{background:var(--violet-deep)}
.btn-primary:hover{box-shadow:0 12px 26px rgba(106,85,230,.32)}
.btn-mint{background:var(--violet-deep)}
.scene-cta{border-radius:999px;background:var(--violet-deep)}
.scene-cta:hover{box-shadow:0 10px 22px rgba(106,85,230,.28)}
.chip{border-radius:999px}
.card{border-radius:20px}
.showcase,.feature-visual{border-radius:24px}
.cta-band{border-radius:28px;background:linear-gradient(135deg,#1f3d2f 0%,#28513e 60%,#37325e 140%)}
.plan-grid{border-radius:24px}
.plan.featured{border-radius:24px}
.plan.featured .plan-ribbon{border-radius:23px 23px 0 0}
.auth-card{border-radius:26px}
.seg{border-radius:999px}
.seg button{border-radius:999px}

/* accents */
.note-dot{background:var(--teal);box-shadow:0 0 0 4px var(--teal-pale)}
.video-live i{background:var(--teal);box-shadow:0 0 0 4px rgba(44,197,182,.18)}
.avatar.bot{background:var(--pine);color:#9ed9c0;border-radius:12px}
.avatar-row .avatar:nth-child(2){background:#dcf5f2;color:#0f8478}
.avatar-row .avatar:nth-child(3){background:#ffe9db;color:#c05a2a}
.avatar-row .avatar:nth-child(4){background:#fff1c9;color:#9a6b00}

/* ---------- refreshed hero: centered slogan + brand network ---------- */
.hero{display:flex;flex-direction:column;align-items:center;text-align:center;max-width:1240px;margin:44px auto 0;padding:0 44px;gap:0}
.hero h1{font-size:62px;line-height:1.08;letter-spacing:-2.4px;max-width:940px;margin:0 auto 18px}
.hl{background:linear-gradient(92deg,var(--violet-deep) 0%,var(--violet) 55%,var(--teal) 120%);-webkit-background-clip:text;background-clip:text;color:transparent}
.zh-kicker{margin:0 auto 32px;max-width:640px}
.hero-cta{justify-content:center;margin-bottom:8px}
.hero .note{justify-content:center}
/* hero illustration: the original brand artwork (images/hero.webp, 512×384) */
.hero-network{width:min(560px,100%);margin:26px auto 0}
.hero-network img{width:100%;height:auto;display:block;border-radius:24px}

/* demo split: scenario card + showcase live below the hero */
.demo-split{display:grid;grid-template-columns:minmax(420px,500px) minmax(520px,1fr);gap:64px;align-items:start}
.demo-split .scenario-card{border-top:0;border-bottom:0;padding-top:0}
@media(max-width:1280px){
  .hero{padding-left:32px;padding-right:32px}
  .hero h1{font-size:54px;letter-spacing:-2px}
  .demo-split{gap:44px}
}
@media(max-width:1080px){
  .demo-split{grid-template-columns:1fr;gap:40px}
}
@media(max-width:760px){
  .hero{padding-left:20px;padding-right:20px;margin-top:28px}
  .hero h1{font-size:38px;letter-spacing:-1.4px}
  .zh-kicker{font-size:17px}
  .hero-network{margin-top:18px}
}

/* ============================================================
   2026-10 · Visual-only refresh
   Keep the original copy, sequence, routes and product behaviour.
   White / forest green / violet. No added marketing claims.
   ============================================================ */
:root{
  --paper:#fff;--ink:#202821;--muted:#626e65;--soft:#78827b;
  --line:#e1e7e1;--line-soft:#edf0eb;--card:#fff;
  --mint:#8064ef;--mint-deep:#6b4fd1;--mint-pale:#e9e2fc;--mint-wash:#f5f2fd;
  --violet:#8064ef;--violet-deep:#6b4fd1;--violet-pale:#e9e2fc;--violet-wash:#f5f2fd;
  --pine:#1f3d2f;--teal:#5d9c7c;--teal-pale:#edf6f0;
  --sans:"Avenir Next","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --serif:var(--sans);--radius:24px;--shadow:0 12px 32px rgba(31,61,47,.06);
}
body{font-size:15px;line-height:1.7}
.site-header{background:rgba(255,255,255,.95);border-bottom:1px solid var(--line-soft)}
.header-inner{height:84px;max-width:1320px;gap:28px}
.brandmark{width:160px;height:34px;background:none;display:flex;align-items:center}
.brandmark img{width:100%;height:auto}
.brand-logo{display:block;width:132px;height:auto;max-height:42px;object-fit:contain;mix-blend-mode:multiply}
.nav{color:var(--ink);font-size:14px;gap:32px}
.nav a{border:0;position:relative;padding:10px 0}
.nav a[aria-current="page"]{color:var(--pine);border:0}
.nav a[aria-current="page"]:after{content:"";position:absolute;left:0;right:0;bottom:3px;height:2px;background:var(--violet);border-radius:2px}
.nav a>.icon{display:none}
.header-actions .btn{height:42px;padding:0 18px;font-size:13px}
.lang-toggle{height:42px;font-size:13px;gap:6px;padding:0 10px;color:var(--muted)}
.btn{border-radius:12px;font-weight:600;transition:transform .2s ease,background .2s ease,box-shadow .2s ease}
.btn-primary{background:var(--pine);color:#fff}
.btn-primary:hover{background:#315742;box-shadow:0 8px 20px rgba(31,61,47,.15)}
.btn-outline{border-color:#dce3dc;background:#fff;color:var(--pine)}
.btn-outline:hover{background:#f7faf7;border-color:#b7cab9}
.btn-mint{background:var(--violet-deep)}
.btn-lg{height:54px;font-size:15px;padding:0 24px}
.btn>.icon{width:15px;height:15px;stroke-width:1.7}
.btn-primary>.icon,.btn-outline>.icon{order:2}
.display,.h1,.h2,.h3,.scene-title,.mock-heading,.plan-name,.auth-title,.detect-os,.stat b,.dl-card h3,.step-card h3,.cta-band h2,.result-card strong{font-weight:700}
.display{font-size:56px;line-height:1.2;letter-spacing:-1.9px}
.h2{font-size:38px;line-height:1.3;letter-spacing:-1.1px}
.h3{font-size:24px;line-height:1.35;letter-spacing:-.5px}
.lead{font-size:17px;line-height:1.85;color:var(--muted)}
.body-copy{font-size:15px;line-height:1.85}
.eyebrow{font-size:11px;font-weight:700;letter-spacing:.1em;color:var(--pine)}
.section{padding:84px 0}
.section-tight{padding:56px 0}
.section-head{margin-bottom:38px}
.section-alt{background:#f6f7f2;border-top:1px solid #eef0e8;border-bottom:1px solid #eef0e8}
.card{box-shadow:none;gap:14px;border-radius:24px}
.chip{font-size:11px;border-radius:8px;padding:6px 9px;color:var(--violet-deep);background:#f8f5fe;border-color:#ebe4f8}

/* Original hero message; a connected network instead of a pasted poster. */
.home-page .hero{margin:46px auto 0;padding-bottom:20px;max-width:1320px}
.home-page .hero h1{font-size:64px;font-weight:750;line-height:1.1;letter-spacing:-2.2px;max-width:1100px;margin-bottom:22px}
.home-page .hero .hl{display:block;background:none;color:var(--violet-deep);font-size:1.04em;line-height:1.2}
.home-page .zh-kicker{font-size:18px;line-height:1.8;color:var(--muted);max-width:820px;margin-bottom:26px;letter-spacing:0}
.home-page .hero-cta{gap:12px;margin-bottom:0}
.home-page .hero-network{width:min(1050px,100%);height:310px;margin:24px auto 0;position:relative;isolation:isolate}
.network-glow{position:absolute;inset:10px 10%;z-index:-1;pointer-events:none;background:radial-gradient(ellipse at 60% 48%,rgba(128,100,239,.065),transparent 64%),radial-gradient(ellipse at 27% 65%,rgba(88,161,119,.06),transparent 56%)}
.network-lines{position:absolute;inset:0;width:100%;height:100%;overflow:visible;z-index:-1;pointer-events:none}
.network-wire{stroke-width:1.4;stroke-linecap:round;opacity:.65}
.network-wire.wire-0{stroke:#67a58a}.network-wire.wire-1{stroke:#9b81df}
.network-hub{width:150px;height:128px;border:1px solid #eee8f8;border-radius:34px;background:white;position:absolute;left:50%;top:49%;transform:translate(-50%,-50%);display:grid;place-items:center;box-shadow:0 10px 35px #8064ef0d,0 0 0 16px #f8f6fe;z-index:2}
.network-hub img{width:104px;height:auto!important;border-radius:0!important}
.network-person{position:absolute;width:70px;height:70px;transform:translate(-50%,-50%);border:4px solid #fff;border-radius:50%;box-shadow:0 4px 18px #31473309;display:block;overflow:hidden}
.network-person img{width:100%;height:100%!important;object-fit:cover;border-radius:50%!important}
.person-1{left:10%;top:24%}.person-2{left:30.5%;top:15%}.person-3{left:6.5%;top:58%}.person-4{left:20.7%;top:85%}.person-5{left:38.4%;top:88%}.person-6{left:70.2%;top:15%}.person-7{left:91.2%;top:33%}.person-8{left:90.7%;top:72%}.person-9{left:70.1%;top:88%}
.network-tool{position:absolute;display:grid;place-items:center;width:42px;height:42px;border-radius:13px;border:1px solid #e9e4f2;background:#fff;color:var(--violet-deep);transform:translate(-50%,-50%);box-shadow:0 5px 15px #4b42700a}
.network-tool .icon{width:22px;height:22px;stroke-width:1.55}
.tool-one{left:27%;top:50%;color:#417b5b;border-color:#e3eee5}.tool-two{left:42%;top:18%}.tool-three{left:73%;top:51%}.tool-four{left:56.5%;top:83%;color:#417b5b;border-color:#e3eee5}

/* Existing interactive scenarios: stronger hierarchy and less empty chrome. */
.home-page #demo{padding-top:38px;border-top:1px solid var(--line-soft)}
.home-page #demo .section-head{max-width:none;text-align:left;margin-bottom:30px}
.demo-split{grid-template-columns:minmax(0,.73fr) minmax(0,1.14fr);gap:36px;align-items:stretch;background:#f4f7f1;border:1px solid #e5ebe1;border-radius:28px;padding:30px}
.demo-split .hero-left{width:100%;min-width:0;justify-content:center}
.demo-split .scenario-card{max-width:none;padding:0;border:0}
.scene-tabs{background:#e5ece1;border-radius:12px;padding:4px;gap:2px}
.scene-tab{height:45px;border-radius:9px;font-size:14px;font-weight:600;white-space:nowrap}
.scene-tab:hover{background:#edf2e9}
.scene-tab[aria-selected="true"]{background:var(--pine);color:#fff}
.scene-tab>.icon{width:13px;height:13px;stroke-width:1.7;margin-right:4px}
.scene-summary{min-height:290px;padding:28px 2px 0}
.scene-title{font-size:34px;line-height:1.3;letter-spacing:-.8px;margin-bottom:14px}
.scene-copy{font-size:14px;line-height:1.85;color:var(--muted);margin-bottom:24px}
.scene-bottom{align-items:flex-start;flex-direction:column;gap:20px}
.scene-cta{background:var(--pine);border-radius:10px;font-size:13px;height:44px;padding:0 17px}
.scene-cta:hover{box-shadow:0 6px 14px #1f3d2f12}
.demo-split .note{font-size:11px;line-height:1.7;margin-top:24px;color:var(--muted)}
.showcase{min-height:0;padding:14px;background:#fff;border-radius:20px;border-color:#e0e5dc;box-shadow:0 8px 24px #243d2c07}
.video-top{height:34px;font-size:10px;color:var(--muted);padding:0 5px 12px;gap:8px}
.video-live{font-size:9px;white-space:nowrap}.video-live i{width:5px;height:5px;box-shadow:none;background:#6b9c75}
.video-window{display:flex;flex-direction:column;border-radius:12px;border-color:#e9e8ef;min-height:0}
.video-scene{position:relative;inset:auto;display:none;opacity:1;transform:none;grid-template-columns:112px minmax(0,1fr);flex:1}
.video-scene.active{display:grid}
.mock-side{padding:18px 10px;background:#f7f5fc;border-right-color:#eae5f4}
.mock-logo{font-size:13px;font-weight:700;margin-bottom:20px;color:var(--pine)}
.mock-new{font-size:9px;background:var(--pine);border-radius:7px;height:auto;min-height:32px;padding:7px 4px;text-align:center}
.mock-menu.active{height:auto;border-radius:6px;padding:8px;font-size:9px}
.mock-main{padding:22px;min-width:0}
.mock-label{font-size:9px;line-height:1.6;margin-bottom:14px}
.mock-heading{font-size:25px;line-height:1.35;letter-spacing:-.5px;margin-bottom:18px;overflow-wrap:break-word}
.mock-prompt{padding:12px 0;font-size:11px;line-height:1.8;margin-bottom:16px}
.mock-agents{gap:10px;grid-template-columns:repeat(2,minmax(0,1fr))}
.agent-task{padding:12px;border-radius:10px;font-size:9px;line-height:1.7;border-color:#e8e2f4;overflow-wrap:break-word;background:#fefcff}
.agent-task strong{font-size:10px;margin-bottom:4px}
.progress{margin-top:10px;height:3px}.progress:after{background:var(--violet);border-radius:3px}
.result-card{position:static;right:auto;bottom:auto;width:auto;margin-top:18px;padding:16px;border-radius:12px;background:var(--pine)}
.result-card small{font-size:9px;line-height:1.5;color:#c3dacb}.result-card strong{font-size:18px;line-height:1.3;margin:8px 0 12px}
.result-line{background:#547b61;height:3px;margin:6px 0}.result-line.short{width:60%}
.media-toggle{left:9px;bottom:10px;height:32px;padding:0 10px;font-size:10px;gap:6px;box-shadow:none;border-color:#dddce7;color:#635c74}
.media-icon{width:10px;height:10px}.media-icon:before,.media-icon:after{height:10px;width:3px}

/* Same four capabilities, with four distinct integrated illustrations. */
.home-page main>section:nth-of-type(3) .section-head{text-align:left;max-width:820px;margin-left:0}
.home-page main>section:nth-of-type(3) .section-head .lead{margin:0}
.capability-grid{grid-template-columns:1.1fr 1fr;gap:20px}
.capability-grid>.card{position:relative;min-height:302px;padding:30px 32px 18px;gap:12px;overflow:hidden;transition:transform .22s ease,border-color .22s ease}
.capability-grid>.card:hover{transform:translateY(-3px);border-color:#c9d9cd}
.capability-grid>.card:nth-child(1){background:#f5f2fd;border-color:#ece5fb}
.capability-grid>.card:nth-child(2){background:#f0f7f1;border-color:#e3ede1}
.capability-grid>.card:nth-child(3){background:#f5f8f3;border-color:#e7ece2}
.capability-grid>.card:nth-child(4){background:#f9f7fd;border-color:#eee9f7}
.capability-grid .eyebrow{position:absolute;top:32px;right:28px;color:#95a090;font-size:11px;margin:0}
.capability-grid .h3{font-size:24px;padding-right:32px;margin:0}
.capability-grid .body-copy{font-size:14px;max-width:460px;margin:0;line-height:1.85}
.capability-visual{margin-top:auto;height:126px;position:relative;display:flex;align-items:center;justify-content:center;gap:15px;flex:none;color:var(--pine)}
.visual-badge{width:48px;height:48px;border-radius:15px;border:1px solid #e7e3ef;background:#fff;display:grid;place-items:center;box-shadow:0 5px 14px #1f3d2f05;position:relative;flex:none}
.visual-badge .icon{width:24px;height:24px;stroke-width:1.6;color:inherit}
.visual-workspace{gap:32px;justify-content:flex-start;padding:0 20px}
.workspace-core{display:flex;gap:15px;align-items:center;background:white;padding:17px;border:1px solid #e3d9f8;border-radius:18px;width:60%;box-shadow:0 7px 18px #5a47770a;position:relative}
.workspace-core>.visual-badge{border:0;background:#f3edff;color:var(--violet-deep);width:42px;height:42px;border-radius:12px;box-shadow:none}
.workspace-core:after{content:"";position:absolute;left:100%;width:32px;height:1px;background:#c9badf;top:50%}
.visual-bars{flex:1;display:grid;gap:7px}.visual-bars i{height:5px;background:#e9e2f6;border-radius:4px}.visual-bars i:nth-child(2){width:76%;background:#cabbea}.visual-bars i:nth-child(3){width:55%}
.workspace-modules{display:flex;gap:6px;flex-wrap:wrap;max-width:106px}.workspace-modules .visual-badge{width:42px;height:36px;border-radius:10px;color:var(--violet-deep)}.workspace-modules .icon{width:19px;height:19px}
.visual-team{gap:0;padding:0 12px}
.visual-team>img{width:58px;height:58px;border:4px solid #fff;border-radius:50%;margin:0 7px;z-index:1;object-fit:cover}
.visual-team>.agent-badge{background:var(--pine);color:#fff;border:4px solid white;border-radius:17px;width:58px;height:58px;margin:0 7px;z-index:1}
.team-line{height:1px;position:absolute;left:9%;right:9%;top:50%;background:#c6d5c7}
.visual-sharing{gap:58px}
.document-sheet{width:80px;height:88px;border-radius:13px;border:1px solid #dfe7dc;background:white;display:flex;flex-direction:column;padding:14px;gap:6px;box-shadow:0 4px 12px #25382e07;position:absolute;top:20px;left:calc(50% - 70px)}
.document-sheet>.icon{width:24px;height:24px;color:#609777;margin-bottom:3px}.document-sheet i{height:3px;background:#dce8dc;border-radius:4px}.document-sheet i:last-child{width:65%}
.sheet-back{transform:translate(-16px,-8px) rotate(-8deg);color:#bed0bd;background:#fafdf9}
.sheet-front{transform:rotate(3deg);z-index:1}
.share-route{position:absolute;left:calc(50% + 10px);width:57px;top:56%;height:1px;background:#b3cbb9}
.shared-check{position:absolute;left:calc(50% + 58px);top:calc(56% - 22px);width:44px;height:44px;border-radius:50%;color:var(--pine);background:#e6f1e5;border-color:#d6e6d4}
.visual-integrations{max-width:330px;margin-left:auto;margin-right:auto;width:100%;background:linear-gradient(#e5dced,#e5dced) center/66% 1px no-repeat}
.integration-core{background:#fff;border-radius:20px;border:1px solid #e8dff6;width:98px;height:70px;z-index:1;display:grid;place-items:center;box-shadow:0 5px 17px #58477608}
.integration-core img{width:66px;height:auto}
.visual-integrations .visual-badge{position:absolute;width:38px;height:38px;border-radius:11px;color:var(--violet-deep)}
.visual-integrations .icon{width:20px;height:20px}
.integration-one{left:5%;top:21%}.integration-two{right:5%;top:21%}.integration-three{left:16%;bottom:15%}.integration-four{right:16%;bottom:15%}
.home-page .stat-row{background:transparent;border:0;gap:0;border-radius:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.home-page .stat{padding:28px;border-right:1px solid var(--line-soft);background:transparent}
.home-page .stat:last-child{border:0}.home-page .stat b{font-size:42px;color:var(--pine);font-weight:700;letter-spacing:-1.3px;margin-bottom:6px}
.home-page .stat:nth-child(even) b{color:var(--violet-deep)}.home-page .stat span{font-size:12px;line-height:1.7}

/* Inner pages inherit the same visual vocabulary, without changing their copy. */
.page-hero{padding:70px 44px 32px}
.page-hero .eyebrow{display:inline-block;padding:6px 12px;border:1px solid #e7e1f5;background:#f8f5fe;color:var(--violet-deep);border-radius:8px;margin-bottom:22px}
.page-hero .display{max-width:940px}
.page-hero .lead{max-width:760px}
.page-hero .hero-cta{margin-top:26px}
.feature-block{padding:68px 0;gap:64px;border-top-color:var(--line-soft)}
.feature-index{color:var(--pine);font-size:12px;letter-spacing:.06em}
.feature-block .h2{font-size:34px;line-height:1.4}
.feature-visual{border-radius:26px;background:#f5f2fd;border:1px solid #ece6f7;padding:26px;gap:14px;box-shadow:0 6px 22px #625a7905;min-height:380px}
.feature-block:nth-of-type(even) .feature-visual{background:#f0f6ef;border-color:#e3ebdd}
.panel{border-radius:14px;padding:17px 18px;border-color:#e7e5eb;box-shadow:0 3px 8px #29382d03}
.panel-head{color:var(--pine);font-size:10px;font-weight:600;letter-spacing:.02em}
.panel-row{font-size:13px;padding:12px 0;color:var(--ink)}
.panel-row .tag{border-radius:6px;font-size:10px;padding:4px 8px;white-space:nowrap}
.feature-list{gap:18px}.feature-list .tick{background:#edf5e9;color:var(--pine)}
.feature-list b{color:var(--ink);font-weight:600}.feature-list p{font-size:13px;line-height:1.9}
.logo-cell{border-radius:12px;border-color:#e3e8df;font-size:12px;height:72px;color:var(--muted)}
.plan-grid{border-radius:24px;border-color:#e1e6df;box-shadow:0 8px 30px #1f3d2f04}
.plan.featured{border-color:#b1a0e6;background:#f5f2fd;box-shadow:0 8px 24px #8064ef0a}
.plan-ribbon{background:var(--violet-deep);font-size:10px}.plan-name{font-size:29px;letter-spacing:-1px}
.plan-price b{font-size:40px;font-weight:700;letter-spacing:-1.5px}.plan-price-contact{font-size:13px}
.seg{border-radius:12px;background:#e9eee4}.seg button{border-radius:9px;font-size:14px}.seg-save{font-size:10px}
.table-wrap{border-radius:20px;border-color:#e4e9e0}.cmp th{background:#f2f6ef;color:var(--pine)}.cmp tbody tr:nth-child(even){background:#fbfcfa}
.faq summary{font-size:16px;color:var(--ink);padding-top:24px;padding-bottom:24px}.faq details p{font-size:14px;line-height:1.9}
.detect-card{background:#f3f7ef;border:1px solid #e1e9d9;border-radius:24px;box-shadow:none;padding:32px 36px}
.detect-label{color:var(--pine)}.detect-os{font-size:32px}.dl-card{border-radius:22px;border-color:#e2e7df;box-shadow:none}
.dl-card.recommended{background:#f9f6ff;border-color:#d5c7ef;box-shadow:none}
.step-card{border-color:#e3e9dd;border-radius:20px;background:#fbfcfa}.step-num{background:#edf3e5;color:var(--pine)}
.auth-shell{gap:72px;padding:68px 44px 88px}.auth-aside{max-width:540px}.auth-aside .h1{font-size:43px;line-height:1.35;letter-spacing:-1.1px}
.auth-card{background:#fdfcfe;border:1px solid #e6def2;box-shadow:0 14px 36px #5d46700a;border-radius:26px}
.auth-points .tick{background:#edf5e9;color:var(--pine)}.field input{border-color:#dfe5dc}.field input:focus{box-shadow:0 0 0 3px #8064ef10}
.card-grid .card{background:#f9fbf7;border-color:#e2e9db}.card-grid .card:nth-child(even){background:#f8f5fd;border-color:#eae2f5}
.card-icon{display:grid;place-items:center;width:52px;height:52px;color:var(--pine);background:#fff;border:1px solid #e3e9dd;border-radius:15px;font-size:24px}
.card-icon>.icon{width:25px;height:25px}
.notice{background:#f4f7ef;border-color:#e2e9d8;border-radius:16px}.notice p{margin:0}.notice a{color:var(--pine)}
.contact-form{margin-left:auto;margin-right:auto;padding:32px;border:1px solid #e4e9de;border-radius:24px;background:#fbfcf9;gap:20px}
.form-field span{font-size:13px;line-height:1.7}.form-field input,.form-field select,.form-field textarea{font-size:14px;background:#fff;min-width:0;width:100%;border-radius:10px;border-color:#dce4d8}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{box-shadow:0 0 0 3px #8064ef0f}
.billing-confirm-page{border-radius:24px;background:#faf8ff;border:1px solid #e6def2;padding:28px}
.cta-band{background:var(--pine);border-radius:28px;padding:50px;color:#fff;position:relative;overflow:hidden}
.cta-band:before,.cta-band:after{content:"";position:absolute;width:200px;height:200px;border:1px solid #ffffff0a;border-radius:50%;right:35px;top:-90px;pointer-events:none}.cta-band:after{width:280px;height:280px;right:-5px;top:-130px}
.cta-band>*{position:relative;z-index:1}.cta-band h2{font-size:34px;line-height:1.35;letter-spacing:-1px}.cta-band p{color:#d0ded1;font-size:14px;line-height:1.85}
.cta-band .btn-primary{background:#eee6ff;color:#493572}.cta-band .btn-primary:hover{background:#fff}.cta-band .btn-outline{color:white;background:transparent;border-color:#ffffff45}
.site-footer{margin-top:48px;padding:48px 0 32px;border-top-color:var(--line-soft)}.footer-grid{gap:44px}.footer-brand p{font-size:13px;line-height:1.85;max-width:290px}.footer-col h4{color:var(--pine);font-size:12px}.footer-col a{font-size:13px}.footer-base{font-size:11px;color:#788078}
.sr-only:focus{position:fixed;z-index:100;left:16px;top:12px;width:auto;height:auto;margin:0;padding:10px 16px;clip:auto;overflow:visible;white-space:normal;background:#fff;box-shadow:var(--shadow)}

@media(max-width:1280px){
  .home-page .hero h1{font-size:56px}.header-inner{gap:22px}.nav{gap:24px}.home-page .hero-network{height:290px}
  .capability-grid>.card{padding-left:26px;padding-right:26px}.visual-team{padding:0}.visual-team>img,.visual-team>.agent-badge{width:52px;height:52px;margin:0 5px}
  .demo-split{gap:28px;padding:26px}.scene-tab{font-size:13px}.scene-tab>.icon{width:12px;height:12px;margin-right:3px}.mock-main{padding:20px}
}
@media(max-width:1080px){
  .header-actions{margin-left:auto}.site-header.nav-open .nav{top:84px}.home-page .hero{margin-top:38px}
  .home-page .hero h1{font-size:50px}.home-page .hero-network{height:290px}.network-person{width:60px;height:60px}
  .demo-split{grid-template-columns:1fr;gap:30px;padding:28px}.demo-split .hero-left{justify-content:flex-start}.scene-summary{min-height:230px}.scene-bottom{flex-direction:row;align-items:center}.scene-cta{margin-left:auto}
  .showcase{min-height:0}.video-scene{grid-template-columns:132px minmax(0,1fr)}.mock-main{padding:26px}.mock-heading{font-size:28px}.mock-prompt{font-size:12px}.agent-task{font-size:11px}.agent-task strong{font-size:12px}.mock-side{padding:22px 14px}.mock-new{font-size:10px}.mock-menu.active{font-size:10px}
  .home-page .stat{border-bottom:1px solid var(--line-soft)}.home-page .stat:nth-child(even){border-right:0}.home-page .stat:nth-last-child(-n+2){border-bottom:0}
  .feature-block{gap:34px;padding:56px 0}.feature-block .h2{font-size:32px}.feature-visual{min-height:0}.auth-shell{gap:40px;padding-top:44px}.auth-aside{max-width:none}.auth-aside .h1{font-size:38px}.section{padding:66px 0}
}
@media(max-width:760px){
  .header-inner{height:76px;gap:14px}.site-header.nav-open .nav{top:76px}.header-actions{gap:8px}.header-actions>.btn-outline{display:none}.header-actions .btn{height:40px;padding:0 14px}.brandmark{width:140px;height:30px}.lang-toggle{padding:0 8px;height:40px;font-size:12px}.nav-toggle{width:40px;height:40px;border-radius:10px}
  .home-page .hero{margin-top:30px;padding-bottom:16px}.home-page .hero h1{font-size:42px;letter-spacing:-1.3px;line-height:1.15;margin-bottom:20px}.home-page .zh-kicker{font-size:16px;max-width:560px;margin-bottom:22px}.home-page .hero-cta .btn{flex:0 1 auto;min-width:140px;font-size:14px;height:50px}
  .home-page .hero-network{height:270px;margin-top:22px}.network-person{width:53px;height:53px;border-width:3px}.network-hub{width:120px;height:102px;border-radius:28px;box-shadow:0 7px 25px #8064ef09,0 0 0 12px #f8f6fe}.network-hub img{width:82px}.network-tool{width:34px;height:34px;border-radius:11px}.network-tool .icon{width:18px;height:18px}
  .home-page #demo{padding-top:32px}.home-page #demo .section-head{text-align:center}.demo-split{padding:18px;border-radius:24px;gap:24px}.scene-summary{padding-top:22px;min-height:0}.scene-title{font-size:28px}.scene-copy{font-size:13px}.scene-bottom{align-items:stretch;flex-direction:column;gap:16px}.scene-features{margin-bottom:0}.scene-cta{margin-left:0;width:auto;align-self:flex-start}.demo-split .note{margin-top:20px}
  .video-scene{grid-template-columns:1fr}.mock-main{padding:22px 20px 60px}.mock-heading{font-size:24px;margin-bottom:16px}.mock-label{font-size:9px}.mock-prompt{font-size:11px}.mock-agents{grid-template-columns:1fr 1fr}.agent-task:nth-child(2){display:block}.agent-task{font-size:9px;padding:12px}.agent-task strong{font-size:10px}.result-card{width:auto;margin-top:16px}.result-card strong{font-size:18px}.video-top{font-size:9px}.video-live{font-size:8px}.media-toggle{left:12px;bottom:12px}
  .home-page main>section:nth-of-type(3) .section-head{text-align:center;margin-left:auto}.home-page main>section:nth-of-type(3) .section-head .lead{margin:0 auto}.capability-grid{grid-template-columns:1fr;gap:16px}.capability-grid>.card{min-height:280px;padding:26px 24px 14px}.capability-grid .h3{font-size:23px}.capability-grid .eyebrow{top:29px;right:24px}.capability-grid .body-copy{font-size:13px;max-width:none}.capability-visual{height:124px}.visual-workspace{padding:0 4px}.visual-team>img,.visual-team>.agent-badge{width:54px;height:54px;margin:0 7px}
  .home-page .stat-row{grid-template-columns:1fr 1fr}.home-page .stat{padding:22px 16px}.home-page .stat b{font-size:34px}.home-page .stat span{font-size:11px}.home-page .stat:nth-child(2){border-bottom:1px solid var(--line-soft)}
  .display{font-size:38px;letter-spacing:-1px;line-height:1.3}.h2{font-size:29px;line-height:1.4;letter-spacing:-.7px}.h3{font-size:22px}.lead{font-size:16px;line-height:1.9}.section{padding:52px 0}.section-tight{padding:38px 0}.section-head{margin-bottom:28px}.page-hero{padding:46px 20px 20px}.page-hero .eyebrow{font-size:10px;padding:5px 10px;margin-bottom:18px}.page-hero .display{margin-bottom:16px}
  .feature-block{padding:44px 0;gap:28px}.feature-block .h2{font-size:28px}.feature-visual{padding:18px;border-radius:22px;gap:12px}.panel{padding:14px}.panel-row{font-size:12px;gap:8px}.panel-row .tag{font-size:9px;padding:3px 6px}.feature-list{gap:16px}.feature-list p{font-size:12px}.feature-list li{font-size:14px}
  .auth-shell{padding:36px 20px 56px;gap:32px}.auth-aside .h1{font-size:32px}.auth-card{padding:26px 24px;border-radius:22px}.auth-title{font-size:27px}.auth-sub{font-size:13px}.auth-points{gap:14px}.auth-points span{font-size:13px}
  .detect-card{padding:26px;border-radius:22px}.detect-os{font-size:28px}.dl-card{padding:24px}.plan-body{padding:28px 24px}.plan-name{font-size:28px}.plan-price b{font-size:38px}
  .contact-form{padding:24px 20px;border-radius:22px;gap:18px}.form-row{grid-template-columns:1fr}.form-field span{font-size:12px}.card-grid .card{padding:26px;gap:12px}.form-actions{flex-wrap:wrap}.form-actions .btn{max-width:100%}
  .cta-band{padding:34px 26px;border-radius:22px;gap:26px}.cta-band h2{font-size:28px}.cta-band p{font-size:13px}.cta-actions{gap:10px}.cta-actions .btn{flex:1 1 auto;font-size:14px;height:50px}
  .footer-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:28px 12px}.footer-brand{grid-column:1/-1}.footer-col a{font-size:12px;overflow-wrap:anywhere}.footer-col h4{font-size:11px}.footer-brand p{max-width:330px}.site-footer{margin-top:32px;padding-top:36px}.footer-base{margin-top:30px;font-size:10px}
}
@media(max-width:440px){
  .header-inner{height:72px;padding-left:16px;padding-right:16px;gap:8px}.brandmark{width:120px;height:26px}.site-header.nav-open .nav{top:72px}.header-actions{gap:4px}.header-actions .btn{height:38px;padding:0 12px;font-size:12px;gap:5px}.header-actions .btn>.icon{width:13px;height:13px}.lang-toggle{padding:0 7px;gap:3px}.lang-toggle [data-lang-current]{display:none}.lang-toggle>.icon{width:15px;height:15px}.nav-toggle{height:38px;width:38px;flex:none}
  .home-page .hero h1{font-size:clamp(27px,7.8vw,34px);letter-spacing:-1px}.home-page .zh-kicker{font-size:14px;line-height:1.9;max-width:330px}.home-page .hero-cta .btn{min-width:0;padding:0 18px;gap:10px;height:48px}.home-page .hero-network{height:250px}.network-person{width:42px;height:42px}.network-hub{width:100px;height:88px;border-radius:24px;box-shadow:0 6px 20px #8064ef08,0 0 0 8px #f8f6fe}.network-hub img{width:68px}.network-tool{width:29px;height:29px;border-radius:9px}.network-tool .icon{width:15px;height:15px}.tool-two{top:12%;left:45%}.tool-four{left:56%;top:87%}
  .scene-tab{height:42px;font-size:12px}.scene-tab>.icon{width:11px;height:11px;margin-right:2px}.mock-main{padding:18px 16px 56px}.mock-heading{font-size:22px}.mock-agents{gap:8px}.agent-task{padding:10px}.capability-grid>.card{padding:24px 20px 12px}.capability-grid .h3{font-size:21px}.capability-grid .eyebrow{top:26px;right:20px}.visual-team>img,.visual-team>.agent-badge{width:47px;height:47px;margin:0 4px}.visual-workspace{gap:22px}.workspace-core{padding:12px;width:63%}.workspace-core:after{width:22px}.workspace-core>.visual-badge{width:34px;height:34px}.workspace-modules{max-width:85px}.workspace-modules .visual-badge{width:36px;height:34px}.visual-bars{gap:6px}.footer-grid{gap:24px 8px}.footer-col a{font-size:11px}.display{font-size:33px}.h2{font-size:26px}.home-page .stat{padding:20px 12px}.home-page .stat b{font-size:30px}
}
@media(prefers-reduced-motion:reduce){
  .capability-grid>.card:hover,.btn:hover{transform:none}.feature-visual.media-slot .panel{animation:none!important}.progress:after{animation:none!important}
}

/* The icon system already inserts the menu SVG; hide the legacy CSS bars. */
.nav-toggle>span{display:none}

/* Preserve container gutters when a section also owns vertical padding. */
.section.container,.section-tight.container{padding-left:44px;padding-right:44px}
main section[id]{scroll-margin-top:104px}
@media(max-width:1280px){.section.container,.section-tight.container{padding-left:32px;padding-right:32px}}
@media(max-width:760px){.section.container,.section-tight.container{padding-left:20px;padding-right:20px}main section[id]{scroll-margin-top:94px}}
@media(max-width:440px){.visual-team>img,.visual-team>.agent-badge{width:clamp(34px,9.2vw,47px);height:clamp(34px,9.2vw,47px);margin:0 clamp(2px,1vw,4px)}}

/* Borderless visual foundation: agents + tools travel left to right continuously. */
.home-page .hero h1.hero-slogan{font-size:clamp(42px,5.1vw,68px);letter-spacing:-2px;line-height:1.15;max-width:1120px;margin-bottom:20px}
.home-page .hero h1.hero-slogan .hl{display:inline-block;font-size:inherit;line-height:inherit}
.home-page .hero-network{height:285px;margin-top:20px}
.hero-foundation{width:min(1100px,100%);position:relative;isolation:isolate;margin:28px auto 14px;padding:12px 0 20px;background:transparent;border:0;border-radius:0;box-shadow:none;min-width:0}
.hero-foundation:before{content:"";position:absolute;inset:-12px 5% -5px;z-index:-1;pointer-events:none;background:radial-gradient(ellipse at 50% 70%,#edf4ec99,transparent 72%)}
.foundation-uplink{position:absolute;top:-44px;left:50%;height:44px;border-left:1px dashed #dce6da;pointer-events:none}
.foundation-uplink:after{content:"";position:absolute;width:4px;height:4px;background:#a5bfa1;border-radius:50%;left:-2.5px;bottom:-2px}
.toolchain-rails{display:grid;gap:16px;min-width:0;overflow:hidden}
.toolchain-viewport{width:100%;overflow-x:auto;overflow-y:hidden;min-width:0;padding:6px 0;scrollbar-width:thin}
.hero-foundation[data-toolchain-ready="true"] .toolchain-viewport{overflow-x:hidden;-webkit-mask-image:linear-gradient(to right,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(to right,transparent,#000 8%,#000 92%,transparent)}
.toolchain-track{display:flex;width:max-content;will-change:transform;--toolchain-duration:44s}
.toolchain-row-2 .toolchain-track{--toolchain-duration:52s}
.toolchain-group{display:flex;gap:28px;list-style:none;margin:0;padding:0 28px 0 0;flex:none;width:max-content;align-items:center}
.toolchain-card{width:148px;height:44px;display:flex;align-items:center;justify-content:center;gap:11px;padding:0 8px;border:0;border-radius:0;background:transparent;box-shadow:none;flex:none;color:#52624f;font-size:11px;font-weight:550;line-height:1.3;text-align:left}
.toolchain-card img{width:30px;height:30px;object-fit:contain;flex:none;max-width:none}
.toolchain-card span{white-space:nowrap}
.hero-foundation[data-toolchain-ready="true"] .toolchain-track{animation:toolchain-flow var(--toolchain-duration) linear infinite!important;animation-play-state:running!important;animation-direction:normal!important}
@keyframes toolchain-flow{from{transform:translate3d(-50%,0,0)}to{transform:translate3d(0,0,0)}}
@media(max-width:1080px){.home-page .hero h1.hero-slogan{font-size:54px;letter-spacing:-1.7px}}
@media(max-width:760px){
 .home-page .hero h1.hero-slogan{font-size:42px;letter-spacing:-1.4px;line-height:1.2;max-width:600px}
 .home-page .hero-network{height:260px}
 .hero-foundation{margin-top:24px;padding-top:8px;padding-bottom:16px}
 .toolchain-rails{gap:12px}.toolchain-group{gap:22px;padding-right:22px}
 .toolchain-card{width:128px;height:40px;padding:0 6px;gap:9px;font-size:11px}.toolchain-card img{width:28px;height:28px}
}
@media(max-width:440px){
 .home-page .hero h1.hero-slogan{font-size:clamp(31px,9vw,39px);letter-spacing:-1px;max-width:360px;line-height:1.2}
 .home-page .hero-network{height:240px;margin-top:18px}
 .hero-foundation{margin-top:22px;padding-top:8px;padding-bottom:14px}
 .toolchain-group{gap:18px;padding-right:18px}.toolchain-card{width:120px;height:38px;gap:8px;font-size:10px}.toolchain-card img{width:26px;height:26px}
}
@media(prefers-reduced-motion:reduce){
 /* Keep the requested continuous flow, but slow it substantially for this preference. */
 .hero-foundation .toolchain-viewport .toolchain-track{--toolchain-duration:150s}
}

/* checkout: payment method, coupon and QR code */
.billing-provider{display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center;border:0;margin:0;padding:16px 0;border-bottom:1px solid var(--line-soft)}
.billing-provider legend{float:left;margin-right:auto;padding:0;color:var(--muted)}
.billing-provider label{display:inline-flex;align-items:center;gap:6px;cursor:pointer}
.billing-coupon-field{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 0;color:var(--muted)}
.billing-coupon-field input{width:min(240px,55%);padding:8px 12px;border:1px solid var(--line-soft);border-radius:8px;font:inherit;color:var(--ink);background:var(--card)}
.billing-pay{display:flex;flex-direction:column;align-items:center;gap:6px;padding:20px 0;text-align:center}
.billing-pay img{width:200px;height:200px;image-rendering:pixelated;border-radius:8px;background:#fff}
.billing-pay-timer{color:var(--muted);font-size:13px}
.billing-pay[hidden],.billing-status[hidden],#billing-form[hidden]{display:none}

/* account: subscriptions, credits, usage and payments */
.account-page{padding-bottom:80px}
.account-page .btn-sm{height:38px;padding:0 16px;font-size:13.5px;border-radius:9px}
.account-status{margin:0 auto 18px;text-align:center;font-size:14px;color:var(--mint-deep)}
.account-status[data-state="error"]{color:#a33a35}
.account-status[hidden]{display:none}
.account-loading{margin:0 auto 32px;text-align:center;color:var(--muted)}
.account-loading[hidden]{display:none}
.account-error{margin-bottom:24px}
.account-error[hidden]{display:none}
.account-layout{display:grid;grid-template-columns:260px minmax(0,1fr);gap:24px;margin-bottom:24px}
.account-layout[hidden]{display:none}
.account-scopes{display:flex;flex-direction:column;gap:8px;align-self:start;position:sticky;top:104px}
.account-scope{display:flex;flex-direction:column;gap:2px;text-align:left;padding:12px 14px;border:1px solid var(--line-soft);border-radius:12px;background:var(--card);color:var(--ink);cursor:pointer}
.account-scope:hover{border-color:var(--mint)}
.account-scope[aria-selected="true"]{border-color:var(--mint-deep);background:var(--mint-wash)}
.account-scope-name{font-size:14px;font-weight:600;overflow-wrap:anywhere}
.account-scope-meta{font-size:12px;color:var(--muted)}
.account-panels{display:flex;flex-direction:column;gap:20px;min-width:0}
.account-card{padding:24px 26px;background:var(--card);border:1px solid var(--line-soft);border-radius:var(--radius,16px)}
.account-card[hidden]{display:none}
.account-card-title{font-size:18px;font-weight:700;margin:0 0 16px}
.account-subtitle{font-size:14px;font-weight:600;color:var(--muted);margin:22px 0 8px;text-transform:none}
.account-facts{display:grid;gap:10px;margin:0}
.account-facts>div{display:flex;align-items:baseline;justify-content:space-between;gap:16px;padding-bottom:8px;border-bottom:1px solid var(--line-soft)}
.account-facts dt{color:var(--muted);font-size:13px;margin:0}
.account-facts dd{margin:0;font-size:14px;font-weight:600;text-align:right}
.account-actions{display:flex;gap:10px;flex-wrap:wrap;margin:16px 0 0}
.account-actions .btn{margin:0}
.account-hint{color:var(--soft);font-size:13px;margin:10px 0 0}
.account-empty{margin:0;padding:16px 18px;border-radius:12px;border:1px dashed var(--line);background:var(--paper);color:var(--muted);font-size:14px}
.account-empty p{margin:0 0 8px}
.account-empty p:last-child{margin-bottom:0}
.account-badge{display:inline-block;padding:2px 9px;border-radius:999px;font-size:12px;font-weight:600;background:var(--line-soft);color:var(--muted)}
.account-badge[data-state="active"],.account-badge[data-state="paid"]{background:var(--teal-pale);color:#12776c}
.account-badge[data-state="expired"],.account-badge[data-state="failed"],.account-badge[data-state="closed"]{background:#fde8e4;color:#a33a35}
.account-badge[data-state="created"],.account-badge[data-state="paying"]{background:var(--mint-pale);color:var(--mint-deep)}

/* credits states: each one looks different so the balance is never guessed */
.account-credits[data-state="active"] .account-credit-value b{color:var(--ink)}
.account-credits[data-state="zero"] .account-credit-value b{color:#a33a35}
.account-credits[data-state="paused"]{opacity:.88}
.account-credits-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:4px 0 18px;border-bottom:1px solid var(--line-soft)}
.account-credit-value{margin:0;display:flex;align-items:baseline;gap:8px}
.account-credit-value b{font-size:34px;line-height:1.1;font-weight:800}
.account-credit-value span{font-size:13px;color:var(--muted)}
.account-credit-reserved{margin:0;font-size:13px;color:var(--muted)}
.account-note{margin:14px 0 0;padding:10px 14px;border-radius:10px;font-size:13px;line-height:1.5}
.account-note[data-state="paused"]{background:var(--mint-wash);border:1px solid var(--mint-pale);color:var(--mint-deep)}
.account-note[data-state="zero"]{background:#fdece8;border:1px solid #f8d4cb;color:#a33a35}
.account-credits[data-state="no_subscription"] .account-empty{background:var(--mint-wash);border-color:var(--mint-pale);color:var(--ink)}
.account-credits[data-state="no_period"] .account-empty{background:#fffaf0;border-color:#f6e3bd;color:#8a6512}
.account-empty[data-state="error"]{background:#fdece8;border-color:#f8d4cb;color:#a33a35}

.account-table{width:100%;border-collapse:collapse;margin-top:14px;font-size:13.5px}
.account-table th{text-align:left;font-weight:600;color:var(--muted);font-size:12.5px;padding:0 10px 8px 0;border-bottom:1px solid var(--line-soft)}
.account-table td{padding:9px 10px 9px 0;border-bottom:1px solid var(--line-soft);vertical-align:top;overflow-wrap:anywhere}
.account-table tr:last-child td{border-bottom:0}
.account-money-summary{display:block;font-weight:600}
.account-money-charge{display:block;font-size:12px;color:var(--muted)}
.account-delta{color:var(--muted);font-size:12px;margin-left:4px}
.account-list{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.account-list li{display:flex;justify-content:space-between;gap:16px;font-size:13.5px;padding:6px 0;border-bottom:1px solid var(--line-soft)}
.account-list li:last-child{border-bottom:0}
.account-list-key{overflow-wrap:anywhere;color:var(--muted)}
.account-usage[data-state="ready"]{display:block}
.account-ledger[data-has-more="true"]{display:block}

.account-budget-form{display:grid;gap:12px;margin-top:8px}
.account-budget-form label{display:flex;flex-direction:column;gap:4px;font-size:13px;color:var(--muted)}
.account-budget-form label[hidden]{display:none}
.account-budget-form input,.account-budget-form select{height:38px;padding:0 10px;border:1px solid var(--line);border-radius:8px;font:inherit;font-size:14px;color:var(--ink);background:var(--card)}
.account-budget-error{margin:0;color:#a33a35;font-size:13px}
.account-budget-error[hidden]{display:none}

@media(max-width:900px){
 .account-layout{grid-template-columns:1fr}
 .account-scopes{position:static;flex-direction:row;overflow-x:auto;padding-bottom:4px}
 .account-scope{flex:0 0 auto;min-width:150px}
 .account-card{padding:20px}
}