/* BeBuddi — 企业智能体开发与运营
   Design tokens + layout system */

:root {
  --ink: #0e1729;
  --ink-2: #33415c;
  --muted: #6b7a99;
  --line: #e4e9f2;
  --line-soft: #eef2f8;
  --bg: #ffffff;
  --bg-soft: #f6f8fc;
  --brand: #2b5ce6;
  --brand-dark: #1e45b8;
  --brand-soft: #eaf0ff;
  --accent: #ff7a45;
  --accent-dark: #e85f2a;
  --accent-soft: #fff1eb;
  --ok: #0e9f6e;
  --warn: #b7791f;

  --r-sm: 8px;
  --r: 14px;
  --r-lg: 20px;
  --shadow: 0 8px 30px rgba(14, 23, 41, .08);
  --shadow-lg: 0 20px 60px rgba(14, 23, 41, .14);
  --max: 1180px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { line-height: 1.25; margin: 0; font-weight: 700; letter-spacing: -.01em; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
button { font-family: inherit; }

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* ---------- header ---------- */
.hdr {
  position: sticky; top: 0; z-index: 60;
  background: rgba(255, 255, 255, .88);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line-soft);
}
.hdr-in { display: flex; align-items: center; gap: 32px; height: 66px; }
.logo {
  display: flex; flex-direction: column; align-items: flex-start; gap: 3px; line-height: 1;
}
.lg-word {
  font-family: 'Arial Rounded MT Bold', 'Nunito', 'Varela Round', ui-rounded, 'PingFang SC', 'Hiragino Sans GB', sans-serif;
  font-weight: 900; font-size: 25px; letter-spacing: -.02em;
  display: flex; align-items: baseline; line-height: 1;
}
.lg-be { color: #1f3a70; }
.lg-bd { color: #2fa79e; }
.lg-i { position: relative; }
.lg-i i {
  position: absolute; top: -.1em; left: 50%; transform: translateX(-55%);
  width: .17em; height: .17em; background: #e2a63d; border-radius: 50%;
}
.lg-sub {
  font-size: 8.5px; font-weight: 600; letter-spacing: .32em; text-transform: uppercase;
  color: #7a8aa8; white-space: nowrap;
}
.nav { display: flex; gap: 26px; margin-left: auto; }
.nav a { font-size: 14.5px; color: var(--ink-2); font-weight: 500; }
.nav a:hover { color: var(--brand); }
.hdr-cta { display: flex; gap: 10px; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 20px; border-radius: 10px; font-size: 14.5px; font-weight: 600;
  border: 1px solid transparent; cursor: pointer; transition: .18s ease;
  white-space: nowrap;
}
.btn-pri { background: var(--accent); color: #fff; }
.btn-pri:hover { background: var(--accent-dark); transform: translateY(-1px); box-shadow: 0 8px 20px rgba(232, 95, 42, .28); }
.btn-brand { background: var(--brand); color: #fff; }
.btn-brand:hover { background: var(--brand-dark); transform: translateY(-1px); }
.btn-ghost { border-color: var(--line); color: var(--ink); background: #fff; }
.btn-ghost:hover { border-color: var(--brand); color: var(--brand); }
.btn-light { border-color: rgba(255, 255, 255, .32); color: #fff; }
.btn-light:hover { background: rgba(255, 255, 255, .12); }
.btn-sm { padding: 8px 14px; font-size: 13.5px; border-radius: 8px; }
.btn-lg { padding: 14px 28px; font-size: 16px; border-radius: 12px; }

/* ---------- hero ---------- */
.hero {
  background: radial-gradient(1200px 520px at 78% -12%, #1d3a7a 0%, rgba(29, 58, 122, 0) 62%),
    linear-gradient(180deg, #0e1729 0%, #121e37 100%);
  color: #fff; padding: 88px 0 76px; position: relative; overflow: hidden;
}
.hero::after {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
  background-size: 64px 64px; mask-image: radial-gradient(700px 400px at 76% 8%, #000 0%, transparent 72%);
  pointer-events: none;
}
.hero-in { position: relative; z-index: 2; display: grid; grid-template-columns: 1.06fr .94fr; gap: 56px; align-items: start; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600;
  padding: 6px 13px; border-radius: 999px; background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(255, 255, 255, .18); color: #cfe0ff; margin-bottom: 22px;
}
.hero h1 { font-size: 47px; letter-spacing: -.03em; }
.hero h1 em {
  font-style: normal; color: #ffb08c;
  background: linear-gradient(180deg, transparent 68%, rgba(255, 122, 69, .3) 68%);
}
.hero-lead { margin-top: 20px; font-size: 17.5px; color: #b9c7e6; max-width: 560px; }
.hero-acts { margin-top: 32px; display: flex; gap: 12px; flex-wrap: wrap; }
.hero-trust { margin-top: 30px; display: flex; gap: 22px; flex-wrap: wrap; font-size: 13px; color: #8fa4cc; }
.hero-trust b { color: #fff; font-weight: 700; }

/* hero stat strip */
.strip {
  margin-top: 60px; border-top: 1px solid rgba(255, 255, 255, .12);
  padding-top: 26px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
}
.strip div span { display: block; font-size: 12.5px; color: #8fa4cc; }
.strip div b { font-size: 25px; letter-spacing: -.02em; }
.strip div b i { font-style: normal; font-size: 14px; color: #ffb08c; margin-left: 3px; }

/* hero demo card */
.demo-card {
  background: #16223c; border: 1px solid rgba(255, 255, 255, .12);
  border-radius: var(--r-lg); box-shadow: var(--shadow-lg); overflow: hidden;
}
.demo-top {
  display: flex; align-items: center; gap: 10px; padding: 13px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, .1); background: rgba(255, 255, 255, .03);
}
.dot { width: 9px; height: 9px; border-radius: 50%; background: #3c4a68; }
.dot.on { background: #35d07f; }
.demo-top b { font-size: 13.5px; font-weight: 600; }
.demo-top small { margin-left: auto; font-size: 11.5px; color: #8fa4cc; }
.demo-body { padding: 18px; display: grid; gap: 12px; }
.bub { max-width: 82%; padding: 11px 14px; border-radius: 13px; font-size: 14px; line-height: 1.7; }
.bub.them { background: rgba(255, 255, 255, .08); color: #dbe5fa; }
.bub.us { background: var(--brand); color: #fff; margin-left: auto; border-bottom-right-radius: 4px; }
.bub.them { border-bottom-left-radius: 4px; }
.bub small { display: block; margin-top: 6px; font-size: 11px; opacity: .68; }
.typing { display: inline-flex; gap: 4px; padding: 4px 0; }
.typing i { width: 6px; height: 6px; border-radius: 50%; background: #7f93bd; animation: bl 1.2s infinite; }
.typing i:nth-child(2) { animation-delay: .18s; }
.typing i:nth-child(3) { animation-delay: .36s; }
@keyframes bl { 0%, 60%, 100% { opacity: .3; } 30% { opacity: 1; } }

/* ---------- sections ---------- */
.sec { padding: 84px 0; }
.sec-soft { background: var(--bg-soft); border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); }
.sec-head { max-width: 720px; margin-bottom: 44px; }
.tag {
  display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: .08em;
  text-transform: uppercase; color: var(--brand); margin-bottom: 12px;
}
.sec-head h2 { font-size: 33px; letter-spacing: -.025em; }
.sec-head p { margin-top: 14px; color: var(--muted); font-size: 16.5px; }

/* cards */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r);
  padding: 26px; transition: .2s ease;
}
.card:hover { border-color: #c9d6f5; box-shadow: var(--shadow); transform: translateY(-2px); }
.card .ic {
  width: 42px; height: 42px; border-radius: 11px; background: var(--brand-soft);
  display: grid; place-items: center; margin-bottom: 16px; color: var(--brand);
}
.card h3 { font-size: 18px; margin-bottom: 10px; }
.card p { color: var(--muted); font-size: 14.5px; }
.card ul { margin: 14px 0 0; padding-left: 18px; color: var(--muted); font-size: 14px; }
.card ul li { margin-bottom: 6px; }

/* steps */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; counter-reset: s; }
.step { position: relative; padding: 26px 22px; background: #fff; border: 1px solid var(--line); border-radius: var(--r); }
.step .n {
  font-size: 12px; font-weight: 800; color: var(--brand); letter-spacing: .1em; margin-bottom: 10px;
}
.step h4 { font-size: 17px; margin-bottom: 8px; }
.step p { color: var(--muted); font-size: 14px; }
.step .dur { margin-top: 12px; display: inline-block; font-size: 12px; font-weight: 600; color: var(--accent-dark); background: var(--accent-soft); padding: 3px 9px; border-radius: 6px; }

/* ---------- ROI calculator ---------- */
.roi { display: grid; grid-template-columns: 1fr 1fr; gap: 34px; align-items: start; }
.roi-panel { background: var(--ink); color: #fff; border-radius: var(--r-lg); padding: 34px; box-shadow: var(--shadow-lg); }
.roi-panel h3 { font-size: 21px; margin-bottom: 6px; }
.roi-panel .note { color: #8fa4cc; font-size: 13.5px; margin-bottom: 26px; }
.fields { display: grid; gap: 18px; }
.field label { display: flex; justify-content: space-between; font-size: 13.5px; color: #b9c7e6; margin-bottom: 8px; }
.field label b { color: #fff; font-variant-numeric: tabular-nums; }
.field input[type=range] { width: 100%; accent-color: var(--accent); }
.roi-out { margin-top: 26px; padding-top: 24px; border-top: 1px solid rgba(255, 255, 255, .14); }
.roi-big { font-size: 13.5px; color: #8fa4cc; }
.roi-big b { display: block; font-size: 44px; color: #ffb08c; letter-spacing: -.03em; margin: 4px 0 2px; font-variant-numeric: tabular-nums; }
.roi-rows { margin-top: 20px; display: grid; gap: 10px; }
.roi-row { display: flex; justify-content: space-between; font-size: 13.5px; color: #b9c7e6; padding-bottom: 9px; border-bottom: 1px dashed rgba(255, 255, 255, .1); }
.roi-row span:last-child { color: #fff; font-weight: 600; font-variant-numeric: tabular-nums; }
.roi-cta { margin-top: 22px; display: flex; gap: 10px; flex-wrap: wrap; }
.roi-copy { padding: 8px 0; }
.roi-copy h2 { font-size: 31px; letter-spacing: -.025em; }
.roi-copy > p { color: var(--muted); margin-top: 14px; }
.formula { margin-top: 22px; background: #fff; border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; }
.formula h4 { font-size: 14px; padding: 14px 18px; border-bottom: 1px solid var(--line-soft); background: var(--bg-soft); }
.formula ol { margin: 0; padding: 16px 18px 16px 36px; color: var(--ink-2); font-size: 14px; }
.formula li { margin-bottom: 8px; }
.formula code { background: var(--bg-soft); border: 1px solid var(--line-soft); border-radius: 5px; padding: 1px 6px; font-size: 13px; }

/* ---------- case ---------- */
.case {
  border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; background: #fff;
}
.case-top { padding: 28px 30px; background: linear-gradient(120deg, #f6f8fc 0%, #eef3ff 100%); border-bottom: 1px solid var(--line-soft); }
.case-top .k { font-size: 12px; font-weight: 700; letter-spacing: .08em; color: var(--brand); text-transform: uppercase; }
.case-top h3 { font-size: 24px; margin: 8px 0 6px; }
.case-top p { color: var(--muted); font-size: 14.5px; }
.case-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.case-grid div { padding: 20px 24px; border-right: 1px solid var(--line-soft); }
.case-grid div:last-child { border-right: 0; }
.case-grid span { display: block; font-size: 12.5px; color: var(--muted); }
.case-grid b { font-size: 21px; letter-spacing: -.02em; }
.case-note { padding: 16px 30px; font-size: 12.5px; color: var(--muted); background: #fffaf7; border-top: 1px solid #f4e3d8; }

/* ---------- faq ---------- */
.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  cursor: pointer; padding: 20px 4px; font-size: 16.5px; font-weight: 600; list-style: none;
  display: flex; justify-content: space-between; gap: 20px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--brand); font-weight: 700; font-size: 20px; line-height: 1; }
.faq details[open] summary::after { content: "−"; }
.faq details p { padding: 0 4px 22px; color: var(--muted); font-size: 15px; max-width: 820px; }

/* ---------- lead form ---------- */
.lead { display: grid; grid-template-columns: 1fr 1.05fr; gap: 46px; align-items: center; }
.lead h2 { font-size: 31px; letter-spacing: -.025em; }
.lead p { color: var(--muted); margin-top: 14px; }
.lead ul { margin-top: 20px; padding: 0; list-style: none; display: grid; gap: 10px; }
.lead ul li { display: flex; gap: 10px; font-size: 14.5px; color: var(--ink-2); }
.lead ul li::before { content: ""; flex: 0 0 18px; height: 18px; margin-top: 4px; border-radius: 50%; background: var(--brand-soft); box-shadow: inset 0 0 0 2px var(--brand); }
.form-box { background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); padding: 30px; box-shadow: var(--shadow); }
.frow { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.fgroup { margin-bottom: 14px; }
.fgroup label { display: block; font-size: 13.5px; font-weight: 600; margin-bottom: 7px; }
.fgroup input, .fgroup select, .fgroup textarea {
  width: 100%; padding: 11px 13px; border: 1px solid var(--line); border-radius: 9px;
  font-size: 14.5px; font-family: inherit; color: var(--ink); background: #fff; outline: none;
}
.fgroup input:focus, .fgroup select:focus, .fgroup textarea:focus { border-color: var(--brand); box-shadow: 0 0 0 3px rgba(43, 92, 230, .12); }
.fgroup textarea { resize: vertical; min-height: 84px; }
.consent { font-size: 12.5px; color: var(--muted); margin: 4px 0 16px; }
.form-msg { margin-top: 14px; font-size: 13.5px; display: none; padding: 10px 14px; border-radius: 8px; }
.form-msg.ok { display: block; background: #e8f8f1; color: #0b7a54; border: 1px solid #bfe8d6; }
.form-msg.err { display: block; background: #fff1eb; color: #b4400f; border: 1px solid #f7d3c2; }

/* ---------- footer ---------- */
.ftr { background: var(--ink); color: #8fa4cc; padding: 56px 0 30px; font-size: 14px; }
.ftr-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 34px; }
.ftr h5 { color: #fff; font-size: 14px; margin-bottom: 14px; }
.ftr a { display: block; font-size: 13.5px; padding: 4px 0; }
.ftr a:hover { color: #fff; }
.ftr-bot { margin-top: 40px; padding-top: 22px; border-top: 1px solid rgba(255, 255, 255, .1); display: flex; justify-content: space-between; gap: 20px; font-size: 12.5px; flex-wrap: wrap; }

/* ---------- sandbox page ---------- */
.sb-top { background: var(--bg-soft); border-bottom: 1px solid var(--line); padding: 26px 0; }
.sb-title { display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; }
.sb-title h1 { font-size: 27px; letter-spacing: -.02em; }
.sb-title span { font-size: 13px; color: var(--muted); }
.sb-brief { margin-top: 14px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.sb-brief div { background: #fff; border: 1px solid var(--line); border-radius: var(--r); padding: 16px 18px; }
.sb-brief span { display: block; font-size: 12.5px; color: var(--muted); margin-bottom: 4px; }
.sb-brief b { font-size: 15.5px; font-weight: 700; }
.sb-note { margin-top: 14px; font-size: 12.5px; color: var(--warn); background: #fffaf0; border: 1px solid #f6e6c8; border-radius: 8px; padding: 9px 14px; }

.sb-main { display: grid; grid-template-columns: 1.25fr .75fr; gap: 22px; padding: 26px 0 60px; align-items: start; }
.chat { background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); box-shadow: var(--shadow); display: flex; flex-direction: column; height: 640px; overflow: hidden; }
.chat-hd { padding: 15px 20px; border-bottom: 1px solid var(--line-soft); display: flex; align-items: center; gap: 12px; background: var(--bg-soft); }
.chat-hd .av { width: 36px; height: 36px; border-radius: 10px; background: linear-gradient(135deg, var(--brand), #6d8bff); color: #fff; display: grid; place-items: center; font-weight: 800; font-size: 15px; }
.chat-hd b { font-size: 15px; display: block; }
.chat-hd small { font-size: 12px; color: var(--muted); }
.chat-hd .meter { margin-left: auto; text-align: right; }
.chat-hd .meter small { display: block; font-size: 11.5px; color: var(--muted); }
.bar { width: 110px; height: 5px; border-radius: 3px; background: var(--line); overflow: hidden; margin-top: 4px; }
.bar i { display: block; height: 100%; background: linear-gradient(90deg, var(--brand), var(--accent)); width: 0; transition: width .4s ease; }
.chat-log { flex: 1; overflow-y: auto; padding: 20px; display: grid; gap: 14px; align-content: start; background: #fcfdff; }
.msg { max-width: 78%; }
.msg .who { font-size: 11.5px; color: var(--muted); margin-bottom: 5px; }
.msg.u { margin-left: auto; text-align: right; }
.msg .bub2 { padding: 12px 15px; border-radius: 13px; font-size: 14.5px; line-height: 1.78; }
.msg.a .bub2 { background: #fff; border: 1px solid var(--line); border-bottom-left-radius: 4px; }
.msg.u .bub2 { background: var(--brand); color: #fff; border-bottom-right-radius: 4px; }
.msg.sys { max-width: 100%; text-align: center; }
.msg.sys .bub2 { background: var(--accent-soft); border: 1px dashed #f4c5ad; color: #b4400f; font-size: 13.5px; }
.quick { padding: 12px 20px; border-top: 1px solid var(--line-soft); display: flex; gap: 8px; flex-wrap: wrap; background: #fff; }
.chip { font-size: 13px; padding: 6px 12px; border-radius: 999px; border: 1px solid var(--line); background: #fff; cursor: pointer; color: var(--ink-2); }
.chip:hover { border-color: var(--brand); color: var(--brand); background: var(--brand-soft); }
.chat-in { display: flex; gap: 10px; padding: 14px 18px; border-top: 1px solid var(--line-soft); background: #fff; }
.chat-in input { flex: 1; padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px; font-size: 14.5px; font-family: inherit; outline: none; }
.chat-in input:focus { border-color: var(--brand); box-shadow: 0 0 0 3px rgba(43, 92, 230, .12); }

.panel { display: grid; gap: 16px; position: sticky; top: 88px; }
.pcard { background: #fff; border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; }
.pcard > h4 { font-size: 13px; padding: 12px 16px; border-bottom: 1px solid var(--line-soft); background: var(--bg-soft); letter-spacing: .02em; }
.pcard .body { padding: 15px 16px; font-size: 13.5px; color: var(--ink-2); }
.kv { display: flex; justify-content: space-between; gap: 12px; padding: 6px 0; border-bottom: 1px dashed var(--line-soft); }
.kv:last-child { border-bottom: 0; }
.kv span { color: var(--muted); flex: 0 0 auto; }
.kv b { font-weight: 600; text-align: right; }
.pill { display: inline-block; font-size: 12px; padding: 3px 10px; border-radius: 999px; background: var(--brand-soft); color: var(--brand-dark); font-weight: 600; }
.pill.warn { background: var(--accent-soft); color: var(--accent-dark); }
.pill.ok { background: #e8f8f1; color: #0b7a54; }
.snip { background: var(--bg-soft); border: 1px solid var(--line-soft); border-radius: 8px; padding: 10px 12px; font-size: 12.5px; color: var(--ink-2); line-height: 1.7; max-height: 150px; overflow: auto; }
.hint { font-size: 12.5px; color: var(--muted); }
.lock { border: 1px solid #f4c5ad; background: #fffaf7; }
.lock > h4 { background: #fff3ec; color: #b4400f; }

/* ---------- team ---------- */
.team-grid { display: grid; grid-template-columns: 1.12fr .88fr; gap: 22px; align-items: start; }
.team-who { background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); padding: 30px; }
.team-hd { display: flex; align-items: center; gap: 16px; margin-bottom: 16px; }
.team-av {
  width: 58px; height: 58px; flex: 0 0 auto; border-radius: 16px;
  background: linear-gradient(135deg, var(--brand), #5f82f2);
  color: #fff; display: grid; place-items: center;
  font-size: 19px; font-weight: 800; letter-spacing: .04em;
  box-shadow: 0 8px 20px rgba(43, 92, 230, .26);
}
.team-hd h3 { font-size: 22px; letter-spacing: -.01em; }
.team-hd .role { font-size: 13.5px; color: var(--brand); font-weight: 600; margin-top: 3px; }
.team-hd .role i { font-style: normal; color: var(--muted); font-weight: 500; }
.team-who > p { font-size: 14.8px; color: var(--ink-2); line-height: 1.78; }
.team-tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0 6px; }
.team-track { margin-top: 18px; border-top: 1px solid var(--line-soft); padding-top: 6px; }
.team-track .kv { font-size: 13.5px; padding: 9px 0; }
.team-track .kv span { font-size: 12.5px; font-variant-numeric: tabular-nums; }
.team-track .kv b { max-width: 68%; font-weight: 500; line-height: 1.65; }

.team-method { background: var(--ink); color: #fff; border-radius: var(--r-lg); padding: 30px; }
.team-method h4 { font-size: 17px; margin-bottom: 4px; }
.team-method .sub { font-size: 13px; color: #8fa4cc; margin-bottom: 20px; }
.mstep { padding: 15px 0; border-bottom: 1px solid rgba(255, 255, 255, .1); }
.mstep:last-of-type { border-bottom: 0; }
.mstep .n { font-size: 11.5px; font-weight: 800; color: #8fa4cc; letter-spacing: .12em; }
.mstep h5 { font-size: 15.5px; margin: 6px 0 6px; }
.mstep p { font-size: 13.5px; color: #b9c7e6; line-height: 1.72; }
.team-method .foot {
  margin-top: 20px; padding-top: 18px; border-top: 1px solid rgba(255, 255, 255, .1);
  font-size: 13px; color: #b9c7e6; line-height: 1.78;
}
.team-method .foot b { color: #fff; }
@media (max-width: 1020px) { .team-grid { grid-template-columns: 1fr; } }

/* reveal */
.rv { opacity: 0; transform: translateY(14px); transition: .55s cubic-bezier(.2, .7, .3, 1); }
.rv.in { opacity: 1; transform: none; }

/* mobile / pad fine-tuning */
@media (max-width: 1020px) {
  .team-track .kv b { max-width: 62%; }
}
@media (max-width: 620px) {
  .hdr-in { height: 58px; gap: 14px; }
  .lg-word { font-size: 20px; }
  .lg-sub { font-size: 7.5px; letter-spacing: .26em; }
  .hdr-cta .btn { padding: 8px 13px; font-size: 13px; }
  .team-who, .team-method { padding: 22px; }
  .team-track .kv { flex-direction: column; gap: 3px; }
  .team-track .kv b { max-width: 100%; }
}

/* responsive */
@media (max-width: 1020px) {
  .hero-in, .roi, .lead, .sb-main { grid-template-columns: 1fr; }
  .grid-3, .grid-4, .steps, .case-grid, .sb-brief, .ftr-grid, .strip { grid-template-columns: repeat(2, 1fr); }
  .nav { display: none; }
  .hero h1 { font-size: 38px; }
  .chat { height: 560px; }
  .panel { position: static; }
}
@media (max-width: 620px) {
  .grid-3, .grid-4, .steps, .case-grid, .sb-brief, .ftr-grid, .strip, .grid-2, .frow { grid-template-columns: 1fr; }
  .hero h1 { font-size: 31px; }
  .sec { padding: 60px 0; }
  .sec-head h2, .roi-copy h2, .lead h2 { font-size: 26px; }
}