/* BuddyDuo · 企业 AI 业务搭档平台
   纯静态 / 无外部依赖 / 明暗双主题 / 移动优先响应式
   Light 为默认主色调（白），Dark 为可切换的第二套色调 */
:root{
  --bg:#ffffff; --bg-soft:#f6f8fc; --surface:#ffffff; --surface-2:#f2f5fa;
  --text:#0d1526; --text-2:#46536a; --text-3:#7b8799;
  --border:#e3e9f1; --border-strong:#ccd6e4;
  --brand:#2563eb; --brand-soft:#eaf1ff; --brand-2:#0d9b96; --brand-2-soft:#e3f7f5;
  --accent:#7c4dff; --accent-soft:#f0eaff;
  --warn:#d97706; --warn-soft:#fff3df; --danger:#dc2626;
  --ok:#0f9d63; --ok-soft:#e6f7ef;
  --shadow-sm:0 2px 10px rgba(16,32,64,.05);
  --shadow:0 12px 34px rgba(16,32,64,.09);
  --shadow-lg:0 26px 70px rgba(16,32,64,.16);
  --glass:rgba(255,255,255,.78);
  --grid-line:rgba(37,99,235,.075);
  --radius:18px; --radius-sm:12px;
  --maxw:1240px;
  --font:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  --mono:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}
html[data-theme="dark"]{
  --bg:#0b111b; --bg-soft:#0e1522; --surface:#131c2a; --surface-2:#1a2536;
  --text:#eef4ff; --text-2:#b9c6d9; --text-3:#8494ab;
  --border:#263449; --border-strong:#364863;
  --brand:#6f9bff; --brand-soft:#17243f; --brand-2:#3fd3c7; --brand-2-soft:#123036;
  --accent:#b494ff; --accent-soft:#241d42;
  --warn:#f5b84b; --warn-soft:#332611; --danger:#ff7a7a;
  --ok:#48d59a; --ok-soft:#102e26;
  --shadow-sm:0 2px 12px rgba(0,0,0,.3);
  --shadow:0 14px 40px rgba(0,0,0,.36);
  --shadow-lg:0 30px 80px rgba(0,0,0,.55);
  --glass:rgba(19,28,42,.82);
  --grid-line:rgba(120,160,255,.075);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:82px}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:15px;line-height:1.7;-webkit-font-smoothing:antialiased;transition:background .3s ease,color .3s ease;overflow-x:hidden}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
img,svg{display:block;max-width:100%}
::selection{background:var(--brand-soft);color:var(--brand)}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px}
.container{width:min(var(--maxw),calc(100% - 48px));margin:0 auto}
.narrow{width:min(860px,calc(100% - 48px))}
.skip-link{position:absolute;left:-9999px;top:0;z-index:999;background:var(--brand);color:#fff;padding:10px 16px;border-radius:0 0 8px 0}
.skip-link:focus{left:0}
h1,h2,h3,h4{line-height:1.25;letter-spacing:-.02em;margin:0}
p{margin:0}
.fine-print{font-size:12px;color:var(--text-3);line-height:1.65}

/* ---------- 通用组件 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:12px;padding:12px 20px;font-weight:650;font-size:14px;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease;white-space:nowrap}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:linear-gradient(115deg,var(--brand),#4f7fff);color:#fff;box-shadow:0 8px 22px rgba(37,99,235,.25)}
.btn-primary:hover{box-shadow:0 12px 30px rgba(37,99,235,.36)}
html[data-theme="dark"] .btn-primary{background:linear-gradient(115deg,#3b6fe8,#6b8cff);color:#fff}
.btn-ghost{background:var(--surface);border-color:var(--border-strong);color:var(--text)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn-quiet{background:var(--surface-2);border-color:var(--border);color:var(--text-2)}
.btn-quiet:hover{color:var(--brand);border-color:var(--brand)}
.btn-sm{padding:8px 14px;font-size:13px;border-radius:10px}
.btn-block{width:100%}
.btn.danger{color:var(--danger)}
.icon-btn{display:inline-flex;align-items:center;gap:7px;background:transparent;border:1px solid var(--border);border-radius:11px;padding:8px 11px;color:var(--text-2);font-size:13px;transition:.18s ease}
.icon-btn:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}
.icon-btn svg{width:18px;height:18px}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px;flex-wrap:wrap}
.card-head h3{font-size:18px}
.ai-badge{display:inline-flex;align-items:center;gap:6px;font-size:11px;font-weight:750;letter-spacing:.06em;color:var(--brand);background:var(--brand-soft);border:1px solid color-mix(in srgb,var(--brand) 22%,transparent);padding:5px 10px;border-radius:999px;text-transform:uppercase}
.section{padding:96px 0;position:relative}
.section-soft{background:var(--bg-soft);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.section-head{max-width:820px;margin-bottom:44px}
.section-kicker{display:inline-block;font-size:12px;font-weight:750;letter-spacing:.12em;color:var(--brand);text-transform:uppercase;margin-bottom:14px}
.section-head h2{font-size:clamp(27px,3.4vw,42px);margin-bottom:16px}
.section-head p{color:var(--text-2);font-size:16px}
.reveal{opacity:0;transform:translateY(18px);transition:opacity .65s ease,transform .65s ease}
.reveal.in{opacity:1;transform:none}
.grad-text{background:linear-gradient(100deg,var(--brand),var(--accent) 55%,var(--brand-2));-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- 顶栏 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--glass);backdrop-filter:blur(18px) saturate(150%);-webkit-backdrop-filter:blur(18px) saturate(150%);border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;gap:18px;height:70px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:38px;height:38px;color:var(--brand);display:grid;place-items:center;background:var(--brand-soft);border-radius:12px}
.brand-mark svg{width:30px;height:30px}
.brand-text{display:flex;flex-direction:column;font-size:19px;font-weight:800;letter-spacing:-.04em;line-height:1.05}
.brand-text>span{color:var(--brand)}
.brand-text small{font-size:10px;font-weight:500;letter-spacing:.02em;color:var(--text-3);margin-top:4px}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:auto;flex-wrap:nowrap}
.main-nav a{font-size:13.5px;color:var(--text-2);padding:8px 10px;border-radius:9px;white-space:nowrap;transition:.18s ease}
.main-nav a:hover,.main-nav a.active{color:var(--brand);background:var(--brand-soft)}
.header-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}
.search-trigger{min-width:108px;justify-content:flex-start}
.search-trigger kbd{margin-left:auto;font-family:var(--mono);font-size:10px;color:var(--text-3);border:1px solid var(--border);border-radius:5px;padding:1px 5px}
.search-trigger-text{font-size:13px}
.theme-toggle .ico-moon{display:none}
html[data-theme="dark"] .theme-toggle .ico-sun{display:none}
html[data-theme="dark"] .theme-toggle .ico-moon{display:block}
.nav-toggle{display:none}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:88px 0 76px;background:radial-gradient(1100px 520px at 78% -8%,var(--brand-soft),transparent 62%)}
.hero-bg{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.grid-lines{position:absolute;inset:0;background-image:linear-gradient(var(--grid-line) 1px,transparent 1px),linear-gradient(90deg,var(--grid-line) 1px,transparent 1px);background-size:54px 54px;mask-image:linear-gradient(to bottom,rgba(0,0,0,.85),transparent 82%)}
.orb{position:absolute;border-radius:50%;filter:blur(60px);opacity:.5}
.orb-a{width:420px;height:420px;background:radial-gradient(circle,rgba(124,77,255,.35),transparent 70%);top:-120px;right:8%}
.orb-b{width:360px;height:360px;background:radial-gradient(circle,rgba(13,155,150,.28),transparent 70%);bottom:-160px;left:22%}
.hero-grid{position:relative;display:grid;grid-template-columns:1.02fr 1fr;gap:54px;align-items:start}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:12.5px;font-weight:650;color:var(--brand);background:var(--surface);border:1px solid var(--border);padding:7px 14px;border-radius:999px;box-shadow:var(--shadow-sm)}
.pulse-dot{width:8px;height:8px;border-radius:50%;background:var(--brand-2);box-shadow:0 0 0 0 var(--brand-2);animation:pulse 2.2s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 9px transparent}100%{box-shadow:0 0 0 0 transparent}}
.hero h1{font-size:clamp(42px,5.6vw,72px);font-weight:850;letter-spacing:-.055em;margin:24px 0 20px}
.hero-sub{font-size:clamp(17px,1.6vw,21px);font-weight:600;color:var(--text);max-width:560px}
.hero-note{font-size:14.5px;color:var(--text-2);max-width:560px;margin-top:14px}
.hero-actions{display:flex;gap:12px;margin-top:30px;flex-wrap:wrap}
.hero-proofs{display:flex;gap:26px;margin-top:38px;flex-wrap:wrap}
.hero-proofs>div{display:flex;flex-direction:column;gap:2px;border-left:2px solid var(--brand-soft);padding-left:14px}
.hero-proofs strong{font-size:21px;letter-spacing:-.03em}
.hero-proofs span{font-size:12px;color:var(--text-3);max-width:150px}
.hero-chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:28px}
.hero-chips span{font-size:12px;color:var(--text-2);background:var(--surface-2);border:1px solid var(--border);padding:5px 11px;border-radius:999px}

/* ---------- Demo ---------- */
.hero-demo{padding:24px;box-shadow:var(--shadow-lg);border-color:var(--border-strong);position:relative}
.hero-demo::before{content:"";position:absolute;inset:-1px -1px auto;height:3px;border-radius:var(--radius) var(--radius) 0 0;background:linear-gradient(90deg,var(--brand),var(--accent),var(--brand-2))}
.demo-head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}
.demo-title h2{font-size:18px;margin-top:10px}
.live-pill{display:inline-flex;align-items:center;gap:6px;font-size:11px;color:var(--ok);background:var(--ok-soft);padding:5px 9px;border-radius:999px;white-space:nowrap}
.live-pill i{width:6px;height:6px;border-radius:50%;background:var(--ok);animation:pulse 2.2s infinite}
.demo-desc{font-size:12.5px;color:var(--text-3);margin:12px 0 16px}
.demo-input-row textarea,.demo-tools{width:100%}
.demo-input-row textarea{background:var(--surface-2);border:1px solid var(--border);border-radius:12px;padding:13px 14px;font-size:13.5px;resize:vertical;min-height:84px;line-height:1.6}
.demo-input-row textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}
.demo-tools{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}
.demo-tools select{background:var(--surface-2);border:1px solid var(--border);border-radius:10px;padding:8px 10px;font-size:13px;flex:1;min-width:110px}
.demo-samples{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px;font-size:12px;color:var(--text-3);align-items:center}
.demo-samples button{background:transparent;border:1px dashed var(--border-strong);border-radius:8px;padding:5px 9px;font-size:11.5px;color:var(--text-2);text-align:left;transition:.18s}
.demo-samples button:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}
.demo-output{margin-top:16px;min-height:210px;background:var(--surface-2);border:1px solid var(--border);border-radius:14px;padding:16px}
.demo-empty{display:grid;place-items:center;height:180px;color:var(--text-3);font-size:13px;text-align:center}
.demo-foot{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:14px;flex-wrap:wrap}
.demo-disclaimer{font-size:11px;color:var(--text-3);max-width:400px;line-height:1.5}
.lead-card{animation:rise .4s ease}
@keyframes rise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.lead-head{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-bottom:12px;flex-wrap:wrap}
.lead-head b{font-size:14px}
.confidence{font-size:11px;color:var(--brand);background:var(--brand-soft);padding:4px 9px;border-radius:999px}
.confidence.low{color:var(--warn);background:var(--warn-soft)}
.ai-line{font-size:12px;color:var(--text-3);border-left:2px solid var(--brand);padding-left:10px;margin-bottom:12px}
.lead-fields{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
.field{background:var(--surface);border:1px solid var(--border);border-radius:9px;padding:8px 10px}
.field span{display:block;font-size:10.5px;color:var(--text-3)}
.field b{font-size:12.5px;font-weight:650;word-break:break-all}
.field.missing{border-style:dashed;opacity:.8}
.field.missing b{color:var(--warn)}
.source-tag{display:inline-flex;font-size:10.5px;color:var(--brand-2);background:var(--brand-2-soft);border-radius:6px;padding:2px 7px;margin-top:10px}
.draft-box{margin-top:12px;background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:11px 12px;font-size:12.5px;color:var(--text-2)}
.draft-box b{display:block;font-size:11px;color:var(--text-3);margin-bottom:6px}
.risk-flag{margin-top:10px;background:var(--warn-soft);color:var(--warn);border-radius:9px;padding:9px 11px;font-size:12px}
.action-row{display:flex;gap:8px;margin-top:12px;flex-wrap:wrap}

/* ---------- 指标条 ---------- */
.metric-strip{border-top:1px solid var(--border);border-bottom:1px solid var(--border);background:var(--surface);padding:30px 0 18px}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.metric{display:flex;align-items:baseline;gap:4px;flex-wrap:wrap;border-right:1px solid var(--border);padding-right:18px}
.metric:last-child{border-right:none}
.metric-num{font-size:38px;font-weight:820;letter-spacing:-.05em;color:var(--brand);font-variant-numeric:tabular-nums}
.metric-unit{font-size:15px;color:var(--brand);font-weight:700}
.metric-label{width:100%;font-size:13px;font-weight:600;margin-top:2px}
.metric-label small{display:block;font-size:11px;color:var(--text-3);font-weight:400}
.metric-note{text-align:center;font-size:11px;color:var(--text-3);margin-top:12px}

/* ---------- 全链路 ---------- */
.chain-tabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:26px}
.chain-tab{display:inline-flex;align-items:center;gap:10px;background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:13px 18px;font-size:14px;font-weight:650;color:var(--text-2);transition:.2s}
.chain-tab span{font-size:11px;color:var(--text-3);font-family:var(--mono)}
.chain-tab:hover{border-color:var(--brand);transform:translateY(-2px)}
.chain-tab.active{background:linear-gradient(120deg,var(--brand),#587dff);color:#fff;border-color:transparent;box-shadow:0 10px 24px rgba(37,99,235,.22)}
.chain-tab.active span{color:rgba(255,255,255,.8)}
.chain-flow{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;gap:12px;align-items:center;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:22px;margin-bottom:22px}
.flow-node{display:flex;flex-direction:column;gap:6px;padding:14px;border-radius:12px;background:var(--surface-2);border:1px solid var(--border)}
.flow-ico{width:28px;height:28px;border-radius:9px;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-size:15px}
.flow-node b{font-size:14px}
.flow-node small{font-size:11.5px;color:var(--text-3);line-height:1.55}
.flow-arrow{font-size:20px;color:var(--brand);font-weight:700}
.chain-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.pain-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;transition:.2s}
.pain-card:hover{box-shadow:var(--shadow);transform:translateY(-3px);border-color:color-mix(in srgb,var(--brand) 35%,var(--border))}
.pain-card .num{font-family:var(--mono);font-size:11px;color:var(--brand)}
.pain-card h4{font-size:16px;margin:8px 0 12px}
.pain-row{font-size:12.5px;line-height:1.6;margin-top:8px}
.pain-row i{font-style:normal;font-weight:700;color:var(--text-3);display:block;font-size:10.5px;letter-spacing:.05em}
.pain-row.pain{color:var(--danger)}
.pain-row.sol{color:var(--text-2)}
.pain-row.out{color:var(--brand-2)}
.pain-kpi{margin-top:14px;border-top:1px dashed var(--border);padding-top:10px;font-size:11.5px;color:var(--text-3)}
.callout{display:flex;gap:16px;margin-top:26px;background:linear-gradient(110deg,var(--brand-soft),var(--accent-soft));border:1px solid var(--border);border-radius:var(--radius);padding:22px}
.callout-icon{width:38px;height:38px;flex-shrink:0;border-radius:12px;background:var(--surface);display:grid;place-items:center;color:var(--brand);font-size:19px}
.callout b{font-size:15px}
.callout p{font-size:13px;color:var(--text-2);margin-top:6px}

/* ---------- 表单 & 工作台 ---------- */
label{display:block;font-size:12.5px;font-weight:600;color:var(--text-2);margin-bottom:6px}
label em{color:var(--danger);font-style:normal}
input,select,textarea{width:100%;background:var(--surface-2);border:1px solid var(--border);border-radius:10px;padding:10px 12px;font-size:13.5px;transition:.18s}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}
textarea{resize:vertical}
.duo-layout{display:grid;grid-template-columns:340px 1fr;gap:20px;align-items:start}
.duo-form,.duo-board{padding:24px}
.duo-form form>label,.duo-form form>div{margin-bottom:14px}
.form-grid-2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.duo-seats{display:flex;gap:7px;flex-wrap:wrap;margin:4px 0 16px}
.seat{display:inline-flex;align-items:center;gap:6px;font-size:11px;color:var(--text-2);background:var(--surface-2);border:1px solid var(--border);border-radius:999px;padding:5px 9px}
.seat i{width:18px;height:18px;border-radius:50%;display:grid;place-items:center;font-style:normal;font-size:10px;font-weight:700;background:var(--brand-soft);color:var(--brand)}
.seat.ai i{background:var(--accent-soft);color:var(--accent)}
.duo-form-foot{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px;border-top:1px solid var(--border);padding-top:14px}
.board-head{align-items:flex-start}
.board-count{font-size:12px;font-weight:500;color:var(--text-3);margin-left:8px}
.board-legend{display:flex;gap:12px;flex-wrap:wrap;font-size:11px;color:var(--text-3)}
.board-legend span{display:inline-flex;align-items:center;gap:5px}
.dot{width:7px;height:7px;border-radius:50%;display:inline-block}
.dot.todo{background:var(--text-3)}.dot.doing{background:var(--brand)}.dot.review{background:var(--warn)}.dot.done{background:var(--ok)}
.board-cols{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.board-col{background:var(--surface-2);border:1px solid var(--border);border-radius:12px;padding:10px;min-height:230px}
.board-col h4{font-size:12px;color:var(--text-2);display:flex;justify-content:space-between;margin-bottom:10px;padding:0 3px}
.board-col h4 span{font-family:var(--mono);color:var(--text-3)}
.board-list{display:flex;flex-direction:column;gap:8px}
.task-card{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:11px;cursor:pointer;transition:.18s}
.task-card:hover{border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.task-card b{display:block;font-size:12.5px;line-height:1.45}
.task-meta{display:flex;justify-content:space-between;gap:6px;margin-top:8px;font-size:10.5px;color:var(--text-3)}
.task-tag{font-size:10px;border-radius:6px;padding:2px 6px;background:var(--brand-soft);color:var(--brand)}
.task-tag.high{background:var(--warn-soft);color:var(--warn)}
.task-tag.low{background:var(--surface-2);color:var(--text-3)}
.empty-col{font-size:11px;color:var(--text-3);text-align:center;padding:22px 4px;border:1px dashed var(--border);border-radius:9px}
.board-hint{font-size:11.5px;color:var(--text-3);margin-top:14px}
.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:16px}
.kv{background:var(--surface-2);border:1px solid var(--border);border-radius:10px;padding:10px 12px}
.kv span{display:block;font-size:10.5px;color:var(--text-3)}
.kv b{font-size:13px}
.ticket{background:var(--surface-2);border:1px dashed var(--border-strong);border-radius:12px;padding:14px;margin-bottom:12px}
.ticket h4{font-size:13px;margin-bottom:8px}
.ticket p{font-size:12.5px;color:var(--text-2)}
.timeline{border-left:2px solid var(--brand-soft);padding-left:16px;margin:10px 0}
.timeline-item{position:relative;font-size:12px;color:var(--text-2);padding:4px 0}
.timeline-item::before{content:"";position:absolute;left:-21px;top:11px;width:8px;height:8px;border-radius:50%;background:var(--brand)}
.timeline-item span{color:var(--text-3);font-size:10.5px;margin-right:8px;font-family:var(--mono)}
.modal-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}

/* ---------- 工具栏 / 卡片网格 ---------- */
.toolbar{display:flex;justify-content:space-between;gap:16px;align-items:center;margin-bottom:22px;flex-wrap:wrap}
.filter-chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{background:var(--surface);border:1px solid var(--border);border-radius:999px;padding:7px 14px;font-size:12.5px;color:var(--text-2);transition:.18s}
.chip:hover{border-color:var(--brand);color:var(--brand)}
.chip.active{background:var(--brand);color:#fff;border-color:transparent}
.toolbar-search{display:flex;align-items:center;gap:8px;background:var(--surface);border:1px solid var(--border);border-radius:11px;padding:6px 12px;min-width:260px}
.toolbar-search svg{width:16px;height:16px;color:var(--text-3);flex-shrink:0}
.toolbar-search input{border:none;background:transparent;padding:4px;box-shadow:none;font-size:13px}
.toolbar-search input:focus{box-shadow:none}
.toolbar-search span{font-size:11px;color:var(--text-3);white-space:nowrap}
.toolbar-count{font-size:12px;color:var(--text-3)}
.skill-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.skill-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;display:flex;flex-direction:column;transition:.2s}
.skill-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:color-mix(in srgb,var(--brand) 35%,var(--border))}
.skill-top{display:flex;justify-content:space-between;align-items:flex-start;gap:10px}
.skill-icon{width:40px;height:40px;border-radius:12px;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-size:19px}
.skill-icon.alt{background:var(--accent-soft);color:var(--accent)}
.skill-icon.teal{background:var(--brand-2-soft);color:var(--brand-2)}
.skill-cat{font-size:10.5px;color:var(--text-3);background:var(--surface-2);border:1px solid var(--border);border-radius:999px;padding:4px 9px}
.skill-title{font-size:16px;margin:14px 0 8px}
.skill-desc{font-size:12.5px;color:var(--text-2);flex:1;line-height:1.65}
.skill-meta{display:flex;gap:10px;flex-wrap:wrap;font-size:11px;color:var(--text-3);margin:14px 0}
.skill-foot{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--border);padding-top:13px;gap:10px}
.price{font-size:17px;font-weight:800;color:var(--brand);letter-spacing:-.03em}
.price small{font-size:11px;font-weight:500;color:var(--text-3)}

/* ---------- 调研 ---------- */
.insight-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:30px}
.insight-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px}
.insight-num{font-size:24px;font-weight:820;letter-spacing:-.04em;color:var(--brand)}
.insight-card b{display:block;font-size:13px;margin:6px 0}
.insight-card p{font-size:11.5px;color:var(--text-3);line-height:1.6}
.research-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.research-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px;display:flex;flex-direction:column;transition:.2s}
.research-card:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.research-head{display:flex;justify-content:space-between;align-items:flex-start;gap:8px;margin-bottom:12px}
.research-head h4{font-size:15px}
.research-head small{display:block;font-size:11px;color:var(--text-3);margin-top:4px;line-height:1.5}
.research-flag{font-size:10px;padding:4px 8px;border-radius:999px;white-space:nowrap}
.research-flag.cn{background:var(--brand-2-soft);color:var(--brand-2)}
.research-flag.global{background:var(--brand-soft);color:var(--brand)}
.research-rows{display:flex;flex-direction:column;gap:8px;font-size:12px;line-height:1.55;flex:1}
.research-rows div{display:flex;gap:8px}
.research-rows i{font-style:normal;font-weight:700;font-size:10.5px;min-width:38px;color:var(--text-3);padding-top:2px}
.research-rows .good{color:var(--ok)}
.research-rows .bad{color:var(--danger)}
.research-rows .pain{color:var(--warn)}
.absorb{margin-top:14px;background:var(--brand-soft);border-radius:10px;padding:10px 12px;font-size:11.5px;color:var(--text-2)}
.absorb b{color:var(--brand)}
.research-summary{margin-top:28px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:26px}
.research-summary h3{font-size:19px;margin-bottom:14px}
.research-summary ol{padding-left:20px;margin:0;display:grid;gap:10px}
.research-summary li{font-size:13px;color:var(--text-2);line-height:1.65}
.research-summary li b{color:var(--text)}

/* ---------- 对比 / 问卷 ---------- */
.compare-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow-sm)}
.compare-table{width:100%;border-collapse:collapse;min-width:720px}
.compare-table th,.compare-table td{padding:15px 18px;text-align:left;font-size:13px;border-bottom:1px solid var(--border);vertical-align:top}
.compare-table thead th{background:var(--surface-2);font-size:13px;font-weight:750}
.compare-table tbody tr:last-child td{border-bottom:none}
.compare-table td:first-child{font-weight:650;color:var(--text-2);width:20%}
.compare-table td.hl{color:var(--brand);font-weight:600;background:color-mix(in srgb,var(--brand-soft) 55%,transparent)}
.quiz{display:grid;grid-template-columns:1fr 1.35fr;gap:26px;padding:26px;margin-top:24px}
.quiz-left h3{font-size:21px;margin:12px 0 8px}
.quiz-left p{font-size:13px;color:var(--text-2)}
.quiz-form{display:grid;gap:14px}
.quiz-q label{font-size:12.5px;margin-bottom:6px}
.quiz-opts{display:flex;gap:8px;flex-wrap:wrap}
.quiz-opts label{display:inline-flex;align-items:center;gap:6px;background:var(--surface-2);border:1px solid var(--border);border-radius:9px;padding:7px 11px;font-size:12px;font-weight:500;margin:0;cursor:pointer}
.quiz-opts input{width:auto;margin:0;accent-color:var(--brand)}
.quiz-result{grid-column:1/-1;border-top:1px solid var(--border);padding-top:16px;font-size:13px;color:var(--text-2)}
.quiz-result:empty{display:none}
.quiz-result b{color:var(--brand)}
.fine-print.mt{margin-top:14px}

/* ---------- 定价 ---------- */
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:26px}
.plan-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;display:flex;flex-direction:column;position:relative}
.plan-card.popular{border-color:var(--brand);box-shadow:var(--shadow);transform:translateY(-6px)}
.plan-card.popular::before{content:"主推";position:absolute;top:-12px;right:20px;background:var(--brand);color:#fff;font-size:11px;padding:4px 12px;border-radius:999px}
.plan-name{font-size:16px;font-weight:750}
.plan-desc{font-size:12px;color:var(--text-3);margin-top:4px;min-height:36px}
.plan-price{font-size:34px;font-weight:850;letter-spacing:-.05em;margin:18px 0 4px}
.plan-price span{font-size:13px;font-weight:500;color:var(--text-3);letter-spacing:0}
.plan-sub{font-size:11.5px;color:var(--text-3)}
.plan-list{list-style:none;padding:0;margin:18px 0;display:grid;gap:9px;flex:1}
.plan-list li{font-size:12.5px;color:var(--text-2);display:flex;gap:8px;line-height:1.5}
.plan-list li::before{content:"✓";color:var(--ok);font-weight:800}
.plan-cta{width:100%}
.monetize-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:16px}
.consumption,.calc{padding:24px}
.consumption>p,.calc>p{font-size:12.5px;color:var(--text-2);margin-bottom:14px}
.mini-table{width:100%;border-collapse:collapse;font-size:12px}
.mini-table th,.mini-table td{padding:9px 8px;border-bottom:1px solid var(--border);text-align:left}
.mini-table th{color:var(--text-3);font-size:11px;font-weight:600}
.mini-table td:nth-child(2){color:var(--brand);white-space:nowrap}
.calc-fields{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.calc-fields label{font-size:11px;margin:0}
.calc-fields input{margin-top:4px;padding:8px 10px;font-size:13px}
.calc-out{display:flex;flex-direction:column;gap:2px;margin-top:18px;background:linear-gradient(110deg,var(--brand-soft),var(--accent-soft));border-radius:12px;padding:14px 16px}
.calc-out span{font-size:11.5px;color:var(--text-2)}
.calc-out strong{font-size:30px;letter-spacing:-.04em;color:var(--brand);font-variant-numeric:tabular-nums}
.calc-out small{font-size:11px;color:var(--text-3)}
.calc-note{font-size:11px;color:var(--text-3);margin-top:12px;line-height:1.55}
.revenue-lines{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:18px}
.revenue-line{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:16px}
.revenue-line b{font-size:14px;display:block}
.revenue-line span{font-size:11.5px;color:var(--text-3);display:block;margin-top:4px;line-height:1.5}
.revenue-line strong{font-size:13px;color:var(--brand);display:block;margin-top:8px}

/* ---------- 案例 / 路线 ---------- */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.case-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:22px;transition:.2s}
.case-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.case-tag{font-size:11px;color:var(--brand-2);background:var(--brand-2-soft);padding:4px 10px;border-radius:999px}
.case-card h3{font-size:17px;margin:14px 0 8px}
.case-card>p{font-size:12.5px;color:var(--text-2);min-height:60px}
.case-metrics{display:grid;gap:10px;margin:16px 0}
.case-metric{font-size:11.5px;color:var(--text-3)}
.case-bar{height:7px;border-radius:999px;background:var(--surface-2);margin-top:5px;overflow:hidden}
.case-bar i{display:block;height:100%;border-radius:999px;background:var(--border-strong)}
.case-bar i.after{background:linear-gradient(90deg,var(--brand),var(--brand-2))}
.case-foot{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--border);padding-top:14px;font-size:12px}
.case-foot b{color:var(--brand)}
.roadmap-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:18px}
.roadmap-step{text-align:left;background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:16px;transition:.2s}
.roadmap-step:hover{border-color:var(--brand)}
.roadmap-step.active{background:linear-gradient(120deg,var(--brand),#5a7dff);color:#fff;border-color:transparent}
.roadmap-step span{font-family:var(--mono);font-size:11px;color:var(--text-3)}
.roadmap-step.active span{color:rgba(255,255,255,.8)}
.roadmap-step b{display:block;font-size:14px;margin:6px 0 3px}
.roadmap-step small{font-size:11px;color:var(--text-3)}
.roadmap-step.active small{color:rgba(255,255,255,.85)}
.roadmap-detail{padding:24px}
.roadmap-detail h3{font-size:18px;margin-bottom:12px}
.roadmap-detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.roadmap-detail h4{font-size:13px;margin-bottom:8px}
.roadmap-detail ul{margin:0;padding-left:18px;font-size:12.5px;color:var(--text-2);line-height:1.8}
.gate{background:var(--ok-soft);color:var(--ok);border-radius:10px;padding:10px 12px;font-size:12px;margin-top:14px}
.long-term{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin-top:18px}
.lt-item{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:14px}
.lt-item b{font-size:12px;display:block;color:var(--brand)}
.lt-item span{font-size:11px;color:var(--text-2);display:block;margin-top:6px;line-height:1.5}
.lt-item small{font-size:10px;color:var(--text-3);display:block;margin-top:6px}

/* ---------- 开发者 ---------- */
.open-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.code-card,.compliance-card,.endpoints-card{padding:22px}
.code-card pre{background:var(--surface-2);border:1px solid var(--border);border-radius:12px;padding:14px;font-family:var(--mono);font-size:11.5px;line-height:1.65;color:var(--text-2);overflow-x:auto;white-space:pre-wrap;word-break:break-word;margin:0}
.check-list,.file-list{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.check-list li{display:flex;gap:10px;font-size:12.5px;color:var(--text-2);line-height:1.55}
.check-list li span{color:var(--ok);font-weight:800}
.file-list li{font-size:12.5px;color:var(--text-2);border-bottom:1px solid var(--border);padding-bottom:8px}
.file-list code,.file-list code+*{font-family:var(--mono);color:var(--brand)}
code{font-family:var(--mono);font-size:12px;color:var(--brand)}

/* ---------- FAQ / 联系 ---------- */
.faq-list{display:grid;gap:10px}
.faq-item{background:var(--surface);border:1px solid var(--border);border-radius:14px;overflow:hidden}
.faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:12px;background:transparent;border:none;padding:16px 18px;text-align:left;font-size:14px;font-weight:650}
.faq-q span{color:var(--brand);font-size:18px;transition:transform .2s}
.faq-item.open .faq-q span{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;padding:0 18px;font-size:13px;color:var(--text-2)}
.faq-item.open .faq-a{max-height:320px;padding:0 18px 16px}
.contact-section{background:radial-gradient(900px 400px at 15% 0%,var(--brand-soft),transparent 60%)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start}
.contact-copy h2{font-size:clamp(26px,3vw,38px);margin:16px 0}
.contact-copy>p{font-size:14.5px;color:var(--text-2);max-width:560px}
.contact-points{display:grid;gap:12px;margin:28px 0 18px}
.contact-points>div{display:flex;flex-direction:column;border-left:2px solid var(--brand);padding-left:14px}
.contact-points b{font-size:13.5px}
.contact-points span{font-size:12px;color:var(--text-3)}
.contact-card{padding:26px}
.contact-card form>label,.contact-card form>div{margin-bottom:14px}
.contact-result{margin-top:14px;font-size:12.5px;color:var(--text-2)}
.contact-result:empty{display:none}
.intent-box{background:var(--surface-2);border:1px solid var(--border);border-radius:10px;padding:12px;margin-top:10px;font-family:var(--mono);font-size:11px;white-space:pre-wrap;color:var(--text-2);max-height:190px;overflow:auto}
.newsletter{border-top:1px solid var(--border);margin-top:20px;padding-top:18px}
.newsletter-row{display:flex;gap:8px}
.newsletter-row input{flex:1}
.newsletter>span{display:block;font-size:11.5px;color:var(--ok);margin-top:8px;min-height:16px}

/* ---------- 页脚 / 浮层 ---------- */
.site-footer{background:var(--bg-soft);border-top:1px solid var(--border);padding:56px 0 22px}
.footer-grid{display:grid;grid-template-columns:2fr repeat(4,1fr);gap:28px}
.footer-brand p{font-size:12.5px;color:var(--text-2);margin:16px 0 10px;line-height:1.7}
.footer-domain{font-family:var(--mono);font-size:12px;color:var(--brand)}
.footer-col{display:flex;flex-direction:column;gap:9px}
.footer-col h4{font-size:13px;margin-bottom:4px}
.footer-col a,.footer-col span{font-size:12px;color:var(--text-3)}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;border-top:1px solid var(--border);margin-top:36px;padding-top:18px;font-size:11px;color:var(--text-3)}
.mobile-dock{display:none}
.overlay{position:fixed;inset:0;z-index:100;background:rgba(6,12,24,.55);backdrop-filter:blur(5px);display:flex;align-items:flex-start;justify-content:center;padding:10vh 18px 20px}
.overlay[hidden]{display:none}
.search-panel,.modal-panel{width:min(720px,100%);background:var(--surface);border:1px solid var(--border-strong);border-radius:18px;box-shadow:var(--shadow-lg);overflow:hidden;animation:rise .22s ease}
.search-top{display:flex;align-items:center;gap:12px;padding:16px 18px;border-bottom:1px solid var(--border)}
.search-top svg{width:20px;height:20px;color:var(--brand);flex-shrink:0}
.search-top input{border:none;background:transparent;font-size:16px;box-shadow:none;padding:4px}
.search-top input:focus{box-shadow:none}
.search-chips{display:flex;gap:7px;flex-wrap:wrap;padding:12px 18px 4px}
.search-meta{display:flex;justify-content:space-between;gap:10px;padding:8px 18px 12px;font-size:11px;color:var(--text-3);border-bottom:1px solid var(--border)}
.search-results{max-height:52vh;overflow-y:auto;padding:8px}
.search-item{display:block;width:100%;text-align:left;background:transparent;border:1px solid transparent;border-radius:12px;padding:12px 14px;transition:.15s}
.search-item:hover,.search-item.active{background:var(--brand-soft);border-color:color-mix(in srgb,var(--brand) 25%,transparent)}
.search-item-cat{font-size:10px;color:var(--brand);font-weight:700;letter-spacing:.04em}
.search-item-title{display:block;font-size:14px;font-weight:650;margin:3px 0}
.search-item-desc{display:block;font-size:11.5px;color:var(--text-3);line-height:1.5}
.search-item mark{background:var(--warn-soft);color:var(--warn);border-radius:3px;padding:0 2px}
.search-none{padding:34px;text-align:center;color:var(--text-3);font-size:13px}
.modal-panel{width:min(640px,100%);max-height:86vh;display:flex;flex-direction:column}
.modal-head{display:flex;justify-content:space-between;align-items:center;padding:18px 20px;border-bottom:1px solid var(--border)}
.modal-head h3{font-size:18px}
.modal-body{padding:20px;overflow-y:auto;font-size:13px;color:var(--text-2)}
.modal-body h4{font-size:14px;color:var(--text);margin:16px 0 8px}
.modal-body p{line-height:1.7}
.ai-fab{position:fixed;right:22px;bottom:22px;z-index:70;width:54px;height:54px;border-radius:18px;border:1px solid var(--border-strong);background:linear-gradient(130deg,var(--brand),var(--accent));color:#fff;box-shadow:0 14px 34px rgba(37,99,235,.35);display:grid;place-items:center;font-size:22px;transition:.2s}
.ai-fab:hover{transform:translateY(-4px) scale(1.04)}
.ai-fab-tip{position:absolute;right:64px;white-space:nowrap;font-size:11.5px;color:var(--text-2);background:var(--surface);border:1px solid var(--border);padding:6px 10px;border-radius:9px;box-shadow:var(--shadow-sm)}
.ai-panel{position:fixed;right:22px;bottom:86px;z-index:71;width:min(360px,calc(100vw - 32px));background:var(--surface);border:1px solid var(--border-strong);border-radius:18px;box-shadow:var(--shadow-lg);overflow:hidden;animation:rise .25s ease}
.ai-panel[hidden]{display:none}
.ai-panel-head{display:flex;justify-content:space-between;align-items:flex-start;gap:10px;padding:14px 16px;border-bottom:1px solid var(--border);background:var(--surface-2)}
.ai-panel-head b{display:block;font-size:13px;margin-top:6px}
.ai-messages{padding:14px;display:flex;flex-direction:column;gap:10px;max-height:260px;overflow-y:auto}
.ai-msg{font-size:12.5px;line-height:1.6;padding:10px 12px;border-radius:12px;max-width:92%}
.ai-msg.bot{background:var(--surface-2);color:var(--text-2);align-self:flex-start}
.ai-msg.user{background:var(--brand);color:#fff;align-self:flex-end}
.ai-chips{display:flex;gap:6px;flex-wrap:wrap;padding:0 14px 10px}
.ai-chips button{font-size:11px;background:var(--surface-2);border:1px solid var(--border);border-radius:999px;padding:5px 9px;color:var(--text-2)}
.ai-chips button:hover{border-color:var(--brand);color:var(--brand)}
.ai-input-row{display:flex;gap:8px;padding:12px 14px;border-top:1px solid var(--border)}
.ai-input-row input{flex:1;font-size:12.5px}
.toast{position:fixed;left:50%;bottom:30px;transform:translate(-50%,20px);z-index:200;background:var(--text);color:var(--bg);padding:11px 18px;border-radius:12px;font-size:13px;opacity:0;pointer-events:none;transition:.25s;box-shadow:var(--shadow-lg)}
.toast.show{opacity:1;transform:translate(-50%,0)}
.back-top{position:fixed;right:22px;bottom:86px;z-index:40;width:40px;height:40px;border-radius:12px;border:1px solid var(--border);background:var(--surface);color:var(--text-2);opacity:0;pointer-events:none;transition:.25s;box-shadow:var(--shadow-sm)}
.back-top.show{opacity:1;pointer-events:auto;transform:translateY(-58px)}
.highlight-flash{animation:flash 1.5s ease}
@keyframes flash{0%,100%{box-shadow:none}30%{box-shadow:0 0 0 5px var(--brand-soft)}}

/* ---------- 响应式：平板 ---------- */
@media(max-width:1100px){
  .main-nav a{padding:7px 7px;font-size:12.5px}
  .header-cta{display:none}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-copy{max-width:720px}
  .duo-layout{grid-template-columns:1fr}
  .duo-form{max-width:none}
  .skill-grid,.research-grid,.case-grid,.pricing-grid,.chain-cards{grid-template-columns:repeat(2,1fr)}
  .insight-grid,.revenue-lines{grid-template-columns:repeat(2,1fr)}
  .plan-card.popular{transform:none}
  .open-grid,.monetize-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:repeat(3,1fr)}
  .footer-brand{grid-column:1/-1}
}
@media(max-width:860px){
  .container,.narrow{width:min(100% - 32px,var(--maxw))}
  .section{padding:68px 0}
  .site-header .main-nav{display:none}
  .nav-toggle{display:inline-flex}
  .main-nav.open{display:flex;position:absolute;top:70px;left:0;right:0;flex-direction:column;align-items:stretch;gap:2px;background:var(--surface);border-bottom:1px solid var(--border);padding:12px 16px 18px;box-shadow:var(--shadow);max-height:70vh;overflow-y:auto}
  .main-nav.open a{font-size:14px;padding:10px 12px}
  .header-actions{margin-left:auto}
  .search-trigger{min-width:auto}
  .search-trigger-text,kbd{display:none}
  .search-trigger{padding:9px}
  .hero{padding:56px 0 60px}
  .hero h1{font-size:clamp(38px,9vw,58px)}
  .hero-proofs{gap:16px}
  .metric-grid{grid-template-columns:repeat(2,1fr);gap:20px}
  .metric:nth-child(2){border-right:none}
  .chain-flow{grid-template-columns:1fr;gap:8px}
  .flow-arrow{transform:rotate(90deg);text-align:center}
  .board-cols{grid-template-columns:repeat(2,1fr)}
  .quiz{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr;gap:26px}
  .long-term{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
  .mobile-dock{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:65;background:var(--glass);backdrop-filter:blur(16px);border-top:1px solid var(--border);padding:8px 12px calc(8px + env(safe-area-inset-bottom));justify-content:space-around}
  .mobile-dock a,.mobile-dock button{display:flex;flex-direction:column;align-items:center;gap:3px;background:transparent;border:none;color:var(--text-2);font-size:10.5px;padding:4px 10px}
  .mobile-dock svg{width:20px;height:20px}
  .mobile-dock a:hover,.mobile-dock button:hover{color:var(--brand)}
  .ai-fab{bottom:78px;right:14px;width:48px;height:48px}
  .ai-fab-tip{display:none}
  .ai-panel{bottom:136px;right:14px}
  .back-top{right:14px;bottom:78px}
  .back-top.show{transform:translateY(-56px)}
  body{padding-bottom:62px}
}
@media(max-width:600px){
  .container,.narrow{width:calc(100% - 28px)}
  .brand-text small{display:none}
  .theme-toggle span{display:none}
  .section-head h2{font-size:26px}
  .section-head p{font-size:14px}
  .hero-demo{padding:18px}
  .lead-fields{grid-template-columns:1fr}
  .skill-grid,.research-grid,.case-grid,.pricing-grid,.insight-grid,.chain-cards,.revenue-lines,.pricing-grid{grid-template-columns:1fr}
  .board-cols{grid-template-columns:1fr 1fr}
  .form-grid-2,.calc-fields,.detail-grid,.roadmap-detail-grid{grid-template-columns:1fr}
  .roadmap-steps{grid-template-columns:repeat(2,1fr)}
  .long-term{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-bottom{font-size:10px}
  .overlay{padding:8vh 12px}
  .search-meta span:last-child{display:none}
  .hero-proofs{display:grid;grid-template-columns:1fr 1fr;gap:16px}
  .hero-proofs>div{min-width:0}
  .hero-proofs>div:last-child{grid-column:1/-1;border-left-color:var(--brand-2-soft)}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
}