:root {
  --blue: #4a6cf7;
  --blue-2: #6c8cff;
  --blue-3: #3d5ce0;
  --ink: #0f172a;
  --body: #475467;
  --muted: #98a2b3;
  --line: #e8edf5;
  --bg: #f7f9fc;
  --white: #fff;
  --radius: 20px;
  --shadow: 0 18px 50px rgba(15, 23, 42, 0.08);
  --shadow-sm: 0 4px 16px rgba(15, 23, 42, 0.06);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background: var(--white);
  font-size: 15px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, p { margin: 0; }

.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }

.icon {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex: 0 0 auto;
}

.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 28px;
}

.container.narrow { max-width: 860px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 50px;
  padding: 0 22px;
  border-radius: 13px;
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
  white-space: nowrap;
}

.btn .icon { width: 16px; height: 16px; }
.btn-sm { height: 40px; padding: 0 17px; font-size: 13.5px; border-radius: 11px; }

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--blue), var(--blue-2));
  box-shadow: 0 10px 24px rgba(74, 108, 247, .28);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 14px 30px rgba(74, 108, 247, .34); }

.btn-ghost {
  color: var(--ink);
  background: rgba(255, 255, 255, .75);
  border-color: var(--line);
}
.btn-ghost:hover { border-color: #c9d4ee; background: #fff; }

.btn-light {
  color: var(--blue-3);
  background: #fff;
  border-color: rgba(255, 255, 255, .9);
}
.btn-light:hover { transform: translateY(-1px); box-shadow: 0 10px 24px rgba(0, 0, 0, .16); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: .12em;
  color: var(--blue);
  text-transform: uppercase;
}
.eyebrow i {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 0 4px rgba(74, 108, 247, .12);
}
.eyebrow.light { color: #b9c8ff; }
.eyebrow.light i { background: #8ea8ff; box-shadow: 0 0 0 4px rgba(142, 168, 255, .18); }

/* ============ Header ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(255, 255, 255, .82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
}
.site-header.scrolled {
  background: rgba(255, 255, 255, .96);
  border-bottom-color: var(--line);
  box-shadow: 0 6px 24px rgba(15, 23, 42, .05);
}
.header-inner {
  height: 78px;
  display: flex;
  align-items: center;
  gap: 28px;
}
.brand { display: inline-flex; align-items: center; gap: 11px; }
.brand-mark { height: 38px; width: 38px; border-radius: 9px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong { font-size: 21px; font-weight: 700; letter-spacing: .02em; }
.brand-text small { font-size: 10.5px; color: var(--muted); letter-spacing: .12em; margin-top: 3px; }

.nav { display: flex; align-items: center; gap: 28px; margin-left: auto; }
.nav a {
  font-size: 14px;
  color: #475467;
  position: relative;
  padding: 6px 0;
  transition: color .2s ease;
}
.nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--blue);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .2s ease;
}
.nav a:hover { color: var(--ink); }
.nav a:hover::after { transform: scaleX(1); }

/* ============ Hero ============ */
.hero {
  position: relative;
  padding: 86px 0 62px;
  overflow: hidden;
  background:
    radial-gradient(900px 560px at 82% 6%, rgba(74, 108, 247, .13), transparent 62%),
    radial-gradient(700px 520px at 2% 52%, rgba(108, 140, 255, .10), transparent 62%),
    linear-gradient(180deg, #fbfcff 0%, #fff 72%);
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0 0 auto auto;
  width: 58%;
  height: 100%;
  background-image: radial-gradient(rgba(74, 108, 247, .16) 1px, transparent 1px);
  background-size: 24px 24px;
  -webkit-mask-image: radial-gradient(closest-side at 70% 40%, #000 0%, transparent 78%);
  mask-image: radial-gradient(closest-side at 70% 40%, #000 0%, transparent 78%);
  pointer-events: none;
  opacity: .55;
}
.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.04fr .96fr;
  gap: 54px;
  align-items: center;
}
.hero h1 {
  margin: 20px 0 0;
  font-size: clamp(38px, 4.6vw, 58px);
  line-height: 1.12;
  letter-spacing: -.02em;
  font-weight: 700;
}
.hero h1 .grad {
  background: linear-gradient(100deg, var(--blue) 10%, #7b6cf6 90%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lead {
  margin-top: 22px;
  max-width: 560px;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--body);
}
.hero-actions { display: flex; gap: 12px; margin-top: 30px; flex-wrap: wrap; }
.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 28px;
  color: #5d6b82;
  font-size: 13px;
}
.trust-row li { display: inline-flex; align-items: center; gap: 6px; }
.trust-row .icon { width: 16px; height: 16px; color: var(--blue); }

.hero-visual { position: relative; min-height: 420px; display: flex; align-items: center; }
.task-card {
  width: 100%;
  max-width: 442px;
  margin-left: auto;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 26px 26px 20px;
  box-shadow: 0 30px 70px rgba(31, 58, 135, .14);
}
.tc-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.tc-tag {
  font-size: 11.5px;
  color: #3d5ce0;
  background: #eef2ff;
  border-radius: 8px;
  padding: 6px 10px;
  font-weight: 600;
}
.tc-status {
  font-size: 11.5px;
  color: #0f9f6e;
  background: #e9fbf3;
  border-radius: 20px;
  padding: 5px 10px;
  font-weight: 600;
}
.tc-status::before {
  content: "";
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: #12b76a;
  margin-right: 6px;
  vertical-align: 1px;
}
.task-card h3 { margin-top: 14px; font-size: 19px; line-height: 1.45; letter-spacing: -.01em; }
.tc-meta { display: flex; gap: 14px; margin-top: 8px; font-size: 12px; color: var(--muted); }
.tc-money {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px dashed var(--line);
}
.tc-money small { display: block; font-size: 11px; color: var(--muted); }
.tc-money strong { font-size: 30px; letter-spacing: -.02em; }
.escrow {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  color: var(--blue-3);
  background: #f1f5ff;
  border: 1px solid #dfe7ff;
  border-radius: 20px;
  padding: 5px 10px;
  margin-bottom: 5px;
}
.escrow .icon { width: 13px; height: 13px; }
.tc-progress { margin-top: 18px; }
.tc-bar { height: 6px; border-radius: 6px; background: #eef1f7; overflow: hidden; }
.tc-bar i { display: block; height: 100%; width: 64%; border-radius: 6px; background: linear-gradient(90deg, var(--blue), #8fa6ff); }
.tc-steps { display: flex; justify-content: space-between; margin-top: 9px; font-size: 10.5px; color: var(--muted); }
.tc-steps .done { color: var(--blue); }
.tc-steps .active { color: var(--ink); font-weight: 600; }
.tc-steps .active::before {
  content: "";
  display: inline-block;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--blue);
  margin-right: 4px;
  vertical-align: 1px;
}
.tc-foot {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid #f0f3f9;
  font-size: 11px;
  color: var(--muted);
}
.avatars { display: flex; }
.avatars i {
  width: 24px; height: 24px;
  border-radius: 50%;
  border: 2px solid #fff;
  margin-left: -7px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-style: normal;
  font-size: 9px;
  color: #fff;
  background: #94a3b8;
}
.avatars i:first-child { margin-left: 0; background: #4a6cf7; }
.avatars i:nth-child(2) { background: #7b6cf6; }
.avatars i:nth-child(3) { background: #f59e0b; }
.tc-dot { width: 3px; height: 3px; border-radius: 50%; background: #cbd5e1; margin: 0 2px; }

.float-chip {
  position: absolute;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px 13px;
  font-size: 12px;
  font-weight: 600;
  color: #33415c;
  box-shadow: 0 12px 30px rgba(31, 58, 135, .12);
}
.float-chip .icon { width: 15px; height: 15px; color: var(--blue); }
.chip-a { top: 6px; right: -12px; }
.chip-b { bottom: 4px; left: -14px; }

/* ============ Trust bar ============ */
.trustbar-wrap { position: relative; z-index: 2; margin-top: -10px; padding-bottom: 14px; }
.trustbar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.tb-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 22px;
  border-left: 1px solid #f1f4f9;
}
.tb-item:first-child { border-left: 0; }
.tb-ico {
  width: 38px; height: 38px;
  border-radius: 11px;
  background: #eef2ff;
  color: var(--blue);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 38px;
}
.tb-item b { display: block; font-size: 13.5px; }
.tb-item small { display: block; font-size: 11px; color: var(--muted); margin-top: 2px; line-height: 1.5; }

/* ============ Sections ============ */
.section { padding: 94px 0; }
.section-gray { background: var(--bg); }
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 44px;
  margin-bottom: 44px;
}
.section-head h2 {
  margin-top: 14px;
  font-size: clamp(28px, 3.4vw, 40px);
  line-height: 1.25;
  letter-spacing: -.02em;
}
.section-head p {
  max-width: 400px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--body);
  padding-bottom: 4px;
}
.section-head.center { justify-content: center; text-align: center; }
.section-head.center h2 { margin-top: 12px; }
.br-m { display: none; }

/* Services */
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.service-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 26px 24px 24px;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.service-card:hover {
  transform: translateY(-4px);
  border-color: #cfdaff;
  box-shadow: 0 18px 40px rgba(31, 58, 135, .10);
}
.s-ico {
  width: 46px; height: 46px;
  border-radius: 13px;
  background: #eef2ff;
  color: var(--blue);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.s-ico .icon { width: 22px; height: 22px; }
.service-card h3 { margin-top: 18px; font-size: 16.5px; }
.service-card p { margin-top: 7px; font-size: 13.5px; line-height: 1.75; color: var(--body); }

/* Steps */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  position: relative;
}
.steps::before {
  content: "";
  position: absolute;
  top: 23px;
  left: 8%;
  right: 8%;
  border-top: 1px dashed #c9d4ee;
}
.steps li {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 24px 22px;
}
.step-no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px; height: 46px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--blue), var(--blue-2));
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .04em;
  box-shadow: 0 8px 18px rgba(74, 108, 247, .28);
}
.steps h3 { margin-top: 16px; font-size: 16px; }
.steps p { margin-top: 6px; font-size: 13px; line-height: 1.75; color: var(--body); }
.fineprint {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  margin-top: 26px;
  font-size: 12.5px;
  color: var(--muted);
}
.fineprint .icon { width: 15px; height: 15px; color: var(--blue); }

/* Audience */
.audience-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.aud-card {
  border-radius: 24px;
  padding: 40px 38px;
  position: relative;
  overflow: hidden;
}
.aud-seller {
  background:
    radial-gradient(420px 300px at 100% 0%, rgba(74, 108, 247, .16), transparent 65%),
    linear-gradient(180deg, #f7faff, #f2f6ff);
  border: 1px solid #dfe8ff;
}
.aud-worker {
  background:
    radial-gradient(460px 340px at 100% 0%, rgba(108, 140, 255, .30), transparent 60%),
    linear-gradient(150deg, #101a33, #0b1220);
  color: #fff;
  border: 1px solid #1e2b4d;
}
.aud-label {
  display: inline-block;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--blue);
  text-transform: uppercase;
}
.aud-worker .aud-label { color: #a9bcff; }
.aud-card h2 {
  margin-top: 14px;
  font-size: clamp(23px, 2.4vw, 28px);
  line-height: 1.4;
  letter-spacing: -.01em;
}
.aud-card ul { margin-top: 22px; display: flex; flex-direction: column; gap: 11px; }
.aud-card li { display: flex; align-items: center; gap: 9px; font-size: 13.5px; }
.aud-card li .icon { width: 15px; height: 15px; color: var(--blue); }
.aud-worker li { color: #dbe4ff; }
.aud-worker li .icon { color: #8ea8ff; }
.aud-card .btn { margin-top: 28px; }

/* Safety */
.section-dark {
  background:
    radial-gradient(800px 500px at 85% 0%, rgba(74, 108, 247, .22), transparent 60%),
    radial-gradient(600px 400px at 0% 100%, rgba(108, 140, 255, .12), transparent 60%),
    #0b1220;
  color: #fff;
}
.safety-grid { display: grid; grid-template-columns: 1fr 1.05fr; gap: 60px; align-items: center; }
.safety-copy h2 { margin-top: 14px; font-size: clamp(28px, 3.4vw, 40px); line-height: 1.25; letter-spacing: -.02em; }
.safety-copy > p { margin-top: 18px; font-size: 14.5px; line-height: 1.9; color: #aab6d0; max-width: 460px; }
.safety-list { margin-top: 28px; display: flex; flex-direction: column; gap: 16px; }
.safety-list li { display: flex; align-items: flex-start; gap: 12px; }
.sa-ico {
  width: 38px; height: 38px;
  border-radius: 11px;
  background: rgba(74, 108, 247, .16);
  border: 1px solid rgba(142, 168, 255, .22);
  color: #a9bcff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 38px;
}
.safety-list b { display: block; font-size: 14px; }
.safety-list small { display: block; font-size: 12px; color: #93a2c2; margin-top: 2px; }

.escrow-card {
  background: #fff;
  color: var(--ink);
  border-radius: 22px;
  padding: 26px;
  box-shadow: 0 30px 70px rgba(0, 0, 0, .28);
}
.ec-head { display: flex; align-items: center; justify-content: space-between; }
.ec-head > span:first-child { font-size: 14px; font-weight: 700; }
.ec-badge {
  font-size: 10.5px;
  color: #0f9f6e;
  background: #e9fbf3;
  border-radius: 20px;
  padding: 4px 9px;
  font-weight: 600;
}
.ec-flow { display: flex; align-items: center; gap: 6px; margin-top: 22px; }
.ec-node {
  flex: 1;
  border: 1px solid var(--line);
  border-radius: 13px;
  padding: 14px 8px;
  text-align: center;
  background: #fbfcff;
}
.ec-node.active { border-color: #b9c9ff; background: #eef2ff; box-shadow: inset 0 0 0 1px #dfe7ff; }
.ec-node i {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: #eef1f7;
  color: #5d6b82;
  font-style: normal;
  font-size: 10px;
  font-weight: 700;
}
.ec-node.active i { background: var(--blue); color: #fff; }
.ec-node b { display: block; font-size: 11.5px; margin-top: 6px; }
.ec-node small { display: block; font-size: 9.5px; color: var(--muted); margin-top: 2px; line-height: 1.4; }
.ec-arrow {
  width: 14px; height: 1px;
  background: #cbd5e1;
  position: relative;
  flex: 0 0 14px;
}
.ec-arrow::after {
  content: "";
  position: absolute;
  right: 0; top: -2px;
  width: 5px; height: 5px;
  border-top: 1px solid #cbd5e1;
  border-right: 1px solid #cbd5e1;
  transform: rotate(45deg);
}
.ec-note {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-size: 11px;
  color: var(--muted);
}
.ec-note .icon { width: 14px; height: 14px; color: var(--blue); }

/* FAQ */
.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 22px 4px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 600;
}
.faq summary::-webkit-details-marker { display: none; }
.faq-plus {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: #f1f5ff;
  color: var(--blue);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform .25s ease;
  flex: 0 0 28px;
}
.faq-plus .icon { width: 15px; height: 15px; }
.faq details[open] .faq-plus { transform: rotate(45deg); }
.faq details p {
  padding: 0 4px 22px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--body);
  max-width: 720px;
}

/* CTA */
.cta-card {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 260px;
  gap: 40px;
  align-items: center;
  padding: 52px 54px;
  border-radius: 28px;
  background:
    radial-gradient(600px 400px at 90% 0%, rgba(255, 255, 255, .20), transparent 55%),
    linear-gradient(135deg, #3d5ce0 0%, #4a6cf7 52%, #7b6cf6 100%);
  color: #fff;
  box-shadow: 0 30px 70px rgba(74, 108, 247, .28);
}
.cta-copy h2 { margin-top: 13px; font-size: clamp(28px, 3.2vw, 38px); line-height: 1.3; letter-spacing: -.02em; }
.cta-copy p { margin-top: 14px; font-size: 14.5px; line-height: 1.85; color: #e4e9ff; max-width: 520px; }
.cta-meta { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 22px; font-size: 12.5px; color: #eef2ff; }
.cta-meta span { display: inline-flex; align-items: center; gap: 5px; }
.cta-meta .icon { width: 14px; height: 14px; }
.cta-phone { margin-top: 20px; font-size: 12.5px; color: #d5ddff; }
.cta-phone a { color: #fff; font-weight: 600; border-bottom: 1px dashed rgba(255,255,255,.5); }
.qr-card {
  background: #fff;
  border-radius: 20px;
  padding: 16px 16px 14px;
  text-align: center;
  color: var(--ink);
  box-shadow: 0 20px 50px rgba(10, 20, 60, .25);
}
.qr-card img { width: 100%; height: auto; border-radius: 10px; }
.qr-card b { display: block; margin-top: 10px; font-size: 13px; }
.qr-card small { display: block; margin-top: 3px; font-size: 11px; color: var(--muted); }

/* Footer */
.footer { background: #0b1220; color: #c3cee3; padding: 62px 0 26px; }
.footer-grid { display: grid; grid-template-columns: 1.7fr 1fr 1fr 1.3fr; gap: 40px; }
.f-brand .brand-mark { height: 40px; width: 40px; filter: none; }
.f-brand .brand-text strong { color: #fff; }
.f-brand .brand-text small { color: #7f8fb0; }
.f-brand p { margin-top: 16px; font-size: 12.5px; color: #7f8fb0; }
.f-col { display: flex; flex-direction: column; gap: 9px; font-size: 12.5px; }
.f-col b { color: #fff; font-size: 13px; margin-bottom: 4px; }
.f-col a:hover { color: #fff; }
.f-col span { color: #8b9ab8; }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 42px;
  padding-top: 20px;
  border-top: 1px solid #1a2540;
  font-size: 11.5px;
  color: #657695;
}

/* Reveal */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .65s ease, transform .65s cubic-bezier(.2, .7, .2, 1); }
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .btn, .service-card, .faq-plus { transition: none; }
}

/* ============ Responsive ============ */
@media (max-width: 1100px) {
  .nav { gap: 20px; }
  .hero-grid { grid-template-columns: 1fr; gap: 46px; }
  .hero-copy { max-width: 720px; }
  .hero-visual { min-height: 0; justify-content: flex-start; }
  .task-card { margin-left: 0; max-width: 520px; }
  .chip-a { right: 6%; }
  .chip-b { left: 2%; }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .steps::before { display: none; }
  .safety-grid { grid-template-columns: 1fr; gap: 34px; }
  .escrow-card { max-width: 640px; }
  .cta-card { grid-template-columns: 1fr 230px; padding: 40px; gap: 30px; }
  .footer-grid { grid-template-columns: 1.6fr 1fr 1fr; }
  .f-col:last-child { grid-column: 1 / -1; }
}

@media (max-width: 860px) {
  .header-inner { height: 70px; gap: 16px; }
  .nav { display: none; }
  .header-cta { margin-left: auto; }
  .brand-mark { height: 38px; }
  .brand-text strong { font-size: 18px; }
  .hero { padding: 62px 0 48px; }
  .hero h1 { font-size: clamp(34px, 8vw, 44px); }
  .lead { font-size: 15.5px; }
  .trustbar { grid-template-columns: repeat(2, 1fr); }
  .tb-item:nth-child(3) { border-left: 0; }
  .tb-item:nth-child(-n+2) { border-bottom: 1px solid #f1f4f9; }
  .section { padding: 68px 0; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 16px; margin-bottom: 32px; }
  .section-head p { max-width: 560px; }
  .section-head.center { align-items: center; }
  .br-m { display: block; }
  .audience-grid { grid-template-columns: 1fr; }
  .aud-card { padding: 32px 28px; }
  .cta-card { grid-template-columns: 1fr; padding: 34px 28px; }
  .qr-card { max-width: 250px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .f-brand { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 640px) {
  .container { padding: 0 18px; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .hero-actions .btn { width: 100%; }
  .service-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .trust-row { gap: 12px 16px; font-size: 12px; }
  .task-card { padding: 22px 20px 18px; }
  .float-chip { display: none; }
  .ec-flow { flex-wrap: wrap; }
  .ec-node { flex: 1 1 40%; }
  .ec-arrow { display: none; }
  .cta-card { padding: 30px 22px; }
  .cta-phone { margin-top: 16px; }
  .footer { padding-top: 46px; }
  .footer-grid { grid-template-columns: 1fr; gap: 26px; }
  .f-col:last-child { grid-column: auto; }
}