:root {
  --ink: #102a43;
  --ink-strong: #08213c;
  --text: #42566b;
  --muted: #738395;
  --blue: #1667d9;
  --blue-dark: #0e4f9e;
  --blue-soft: #edf5ff;
  --paper: #f6f8fb;
  --line: #dce4ee;
  --white: #ffffff;
  --green: #0f8d75;
  --container: min(1480px, calc(100% - 72px));
  --shadow: 0 18px 55px rgba(27, 59, 94, .10);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  line-height: 1.72;
  -webkit-font-smoothing: antialiased;
}
body:has(dialog[open]) { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button, select, textarea { font: inherit; }
button { cursor: pointer; }
img { display: block; max-width: 100%; }
.container { width: var(--container); margin-inline: auto; }
.skip-link { position: fixed; left: 18px; top: -60px; z-index: 100; padding: 10px 16px; background: #fff; border-radius: 8px; }
.skip-link:focus { top: 16px; }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  background: rgba(255, 255, 255, .96);
  border-bottom: 1px solid rgba(16, 42, 67, .08);
  transition: box-shadow .2s ease;
}
.site-header.is-scrolled { box-shadow: 0 8px 30px rgba(20, 52, 85, .07); }
.navbar { height: 82px; display: flex; align-items: center; gap: 44px; }
.brand { display: inline-flex; align-items: center; gap: 11px; flex: 0 0 auto; }
.brand-symbol {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3px;
  border-radius: 10px;
  background: var(--ink-strong);
  transform: rotate(-5deg);
}
.brand-symbol i { width: 4px; height: 17px; display: block; background: #fff; border-radius: 4px; transform: skew(-18deg); }
.brand-symbol i:nth-child(2) { height: 23px; background: #58a8ff; }
.brand-name { display: flex; flex-direction: column; }
.brand-name b { font-size: 21px; line-height: 1.15; letter-spacing: .04em; }
.brand-name small { color: #8190a0; font-size: 10px; font-weight: 700; letter-spacing: .13em; }
.site-nav { margin-left: auto; display: flex; gap: 34px; align-items: center; }
.site-nav a { position: relative; color: #354b61; font-size: 15px; font-weight: 600; }
.site-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -9px; height: 2px; background: var(--blue); transition: right .2s ease; }
.site-nav a:hover::after { right: 0; }
.nav-toggle { display: none; }

.primary-button {
  appearance: none;
  border: 1px solid var(--blue);
  border-radius: 8px;
  background: var(--blue);
  color: #fff;
  min-height: 50px;
  padding: 13px 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  font-size: 15px;
  font-weight: 700;
  box-shadow: 0 10px 24px rgba(22, 103, 217, .17);
  transition: background .2s ease, transform .2s ease, box-shadow .2s ease;
}
.primary-button:hover { background: var(--blue-dark); transform: translateY(-1px); box-shadow: 0 14px 28px rgba(22, 103, 217, .24); }
.primary-button span { font-size: 17px; line-height: 1; }
.header-button { min-height: 44px; padding: 10px 19px; box-shadow: none; }
.secondary-button {
  min-height: 50px;
  padding: 12px 24px;
  border: 1px solid #bdc9d6;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #2d455e;
  font-size: 15px;
  font-weight: 700;
  background: #fff;
}
.secondary-button:hover { border-color: var(--blue); color: var(--blue); }

.hero {
  position: relative;
  overflow: hidden;
  padding: 154px 0 96px;
  background:
    linear-gradient(rgba(42, 86, 130, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(42, 86, 130, .035) 1px, transparent 1px),
    linear-gradient(110deg, #f9fbfe 0%, #edf4fc 100%);
  background-size: 56px 56px, 56px 56px, auto;
}
.hero-layout { display: grid; grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr); gap: 80px; align-items: center; }
.hero-copy { position: relative; z-index: 2; }
.eyebrow { margin: 0 0 20px; color: var(--blue); display: flex; align-items: center; gap: 10px; font-size: 14px; font-weight: 700; letter-spacing: .08em; }
.eyebrow span { width: 28px; height: 2px; background: currentColor; }
.hero h1 { margin: 0; color: var(--ink-strong); font-size: clamp(48px, 4.3vw, 68px); line-height: 1.2; letter-spacing: -.045em; }
.hero h1 em { display: inline-block; color: var(--blue); font-style: normal; }
.hero-description { max-width: 680px; margin: 28px 0 32px; color: var(--text); font-size: 18px; line-height: 1.9; }
.hero-actions { display: flex; gap: 12px; align-items: center; }
.hero-checks { margin: 28px 0 0; padding: 22px 0 0; border-top: 1px solid rgba(69, 97, 125, .16); display: flex; flex-wrap: wrap; gap: 10px 20px; list-style: none; }
.hero-checks li { color: #546a80; font-size: 14px; font-weight: 600; }
.hero-checks li::before { content: "✓"; margin-right: 7px; color: var(--green); font-weight: 800; }
.hero-media {
  position: relative;
  width: 100%;
  aspect-ratio: 3 / 2;
  padding: 18px;
  overflow: hidden;
  border: 1px solid rgba(84, 123, 163, .14);
  border-radius: 20px;
  background: linear-gradient(145deg, rgba(255, 255, 255, .88), rgba(226, 238, 252, .95));
  box-shadow: 0 24px 60px rgba(38, 74, 111, .13);
}
.hero-media img { width: 100%; height: 100%; object-fit: contain; object-position: center; }
.media-label {
  position: absolute;
  z-index: 2;
  left: 18px;
  top: 18px;
  display: flex;
  flex-direction: column;
  padding: 10px 13px;
  border: 1px solid rgba(61, 103, 147, .12);
  border-radius: 9px;
  background: rgba(255, 255, 255, .88);
  box-shadow: 0 8px 24px rgba(33, 71, 109, .09);
  backdrop-filter: blur(8px);
}
.media-label span { color: var(--blue); font-size: 11px; font-weight: 800; letter-spacing: .08em; }
.media-label b { font-size: 13px; }

.capability-bar { position: relative; z-index: 3; margin-top: -25px; }
.capability-grid { display: grid; grid-template-columns: repeat(4, 1fr); padding: 0 22px; border: 1px solid var(--line); border-radius: 14px; background: #fff; box-shadow: var(--shadow); }
.capability-grid article { min-height: 124px; display: flex; align-items: center; gap: 18px; padding: 24px; }
.capability-grid article + article { border-left: 1px solid var(--line); }
.line-icon { width: 44px; height: 44px; flex: 0 0 auto; display: grid; place-items: center; border-radius: 11px; background: var(--blue-soft); color: var(--blue); font-size: 22px; }
.capability-grid h2 { margin: 0 0 3px; font-size: 18px; }
.capability-grid p { margin: 0; color: var(--muted); font-size: 14px; }

.section { padding: 120px 0; }
.section-heading { display: grid; grid-template-columns: 1.25fr .75fr; gap: 90px; align-items: end; margin-bottom: 42px; }
.section-label { margin: 0 0 14px; color: var(--blue); font-size: 13px; font-weight: 800; letter-spacing: .12em; }
.section-label::before { content: ""; display: inline-block; width: 22px; height: 2px; margin-right: 9px; vertical-align: middle; background: currentColor; }
.section-heading h2, .solution-intro h2, .delivery-copy h2, .confidence-layout h2, .faq-heading h2 { margin: 0; color: var(--ink-strong); font-size: clamp(40px, 3.7vw, 56px); line-height: 1.25; letter-spacing: -.04em; }
.section-heading > p { margin: 0; color: var(--text); font-size: 17px; }

.service-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.service-item { position: relative; min-height: 420px; padding: 34px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #fff; transition: box-shadow .2s ease, transform .2s ease; }
.service-item:hover { z-index: 2; transform: translateY(-3px); box-shadow: var(--shadow); }
.service-number { position: absolute; right: 28px; top: 27px; color: #9ba9b7; font-size: 12px; font-weight: 800; }
.service-icon { width: 48px; height: 48px; margin: 40px 0 48px; display: grid; place-items: center; border-radius: 12px; background: var(--blue-soft); }
.service-icon svg { width: 24px; height: 24px; fill: none; stroke: var(--blue); stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.service-item h3 { margin: 0 0 14px; font-size: 24px; }
.service-item p { margin: 0; color: var(--text); font-size: 15px; }
.service-item ul { margin: 22px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; list-style: none; }
.service-item li { padding: 5px 9px; border-radius: 5px; background: #f2f5f8; color: #637588; font-size: 12px; }

.ai-upgrade-section {
  color: #fff;
  background:
    radial-gradient(circle at 83% 10%, rgba(47, 137, 244, .19), transparent 32%),
    linear-gradient(135deg, #071b30 0%, #0a2948 100%);
}
.ai-heading { display: grid; grid-template-columns: 1.18fr .82fr; gap: 90px; align-items: end; margin-bottom: 38px; }
.ai-heading h2 { margin: 0; color: #fff; font-size: clamp(40px, 3.7vw, 56px); line-height: 1.25; letter-spacing: -.04em; }
.ai-heading > p { margin: 0; color: #b7cadc; font-size: 17px; }
.ai-flow {
  padding: 20px 24px;
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  gap: 14px;
  align-items: center;
  border: 1px solid rgba(134, 183, 231, .2);
  border-radius: 12px;
  background: rgba(255, 255, 255, .05);
}
.ai-flow span { color: #d8e8f7; font-size: 14px; font-weight: 700; text-align: center; }
.ai-flow i { color: #57a9ff; font-style: normal; }
.ai-service-grid { margin-top: 18px; display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.ai-service-card {
  min-height: 330px;
  padding: 38px;
  border: 1px solid rgba(141, 184, 224, .18);
  border-radius: 14px;
  background: rgba(255, 255, 255, .055);
  transition: border-color .2s ease, background .2s ease, transform .2s ease;
}
.ai-service-card:hover { transform: translateY(-2px); border-color: rgba(102, 174, 247, .48); background: rgba(255, 255, 255, .08); }
.ai-card-top { display: flex; justify-content: space-between; color: #69b3ff; font-size: 11px; font-weight: 800; letter-spacing: .08em; }
.ai-card-top b { color: #7390aa; font-weight: 700; }
.ai-service-card h3 { margin: 48px 0 12px; color: #fff; font-size: 25px; }
.ai-service-card p { max-width: 600px; margin: 0; color: #a9bfd3; font-size: 15px; }
.ai-service-card ul { margin: 22px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 7px; list-style: none; }
.ai-service-card li { padding: 6px 10px; border: 1px solid rgba(136, 181, 224, .2); border-radius: 5px; color: #bed1e3; font-size: 12px; }
.geo-card { background: linear-gradient(135deg, rgba(23, 102, 190, .18), rgba(255, 255, 255, .055)); }
.ai-boundary {
  margin-top: 18px;
  padding: 26px 30px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 35px;
  align-items: center;
  border-radius: 12px;
  background: #fff;
  color: var(--ink);
}
.ai-boundary div { display: grid; gap: 3px; }
.ai-boundary div span { color: var(--blue); font-size: 11px; font-weight: 800; letter-spacing: .1em; }
.ai-boundary strong { font-size: 17px; }
.ai-boundary ul { margin: 0; padding: 0; display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 7px; list-style: none; }
.ai-boundary li { padding: 6px 10px; border-radius: 5px; background: #eef4fa; color: #526a81; font-size: 11px; }

.solution-section { background: var(--paper); }
.solution-section .container { display: grid; grid-template-columns: .72fr 1.28fr; gap: 70px; align-items: start; }
.solution-intro { position: sticky; top: 112px; }
.solution-intro > p:last-child { margin: 24px 0 0; color: var(--text); font-size: 17px; }
.solution-list { display: grid; gap: 14px; }
.solution-card { display: block; padding: 38px; overflow: hidden; border: 1px solid var(--line); border-radius: 16px; background: #fff; }
.solution-card-head { display: flex; justify-content: space-between; color: var(--muted); font-size: 12px; font-weight: 700; }
.solution-card-head b { color: #9bacbd; }
.solution-card h3 { margin: 48px 0 12px; font-size: 29px; }
.solution-card p { max-width: 760px; margin: 0; color: var(--text); font-size: 15px; }
.general-card { min-height: 250px; background: var(--ink-strong); color: #fff; border-color: var(--ink-strong); }
.general-card .solution-card-head { color: #8fa7bf; }
.general-card h3 { color: #fff; }
.general-card p { color: #b9c9d8; }
.tag-list { margin-top: 25px; display: flex; flex-wrap: wrap; gap: 8px; }
.tag-list span { padding: 6px 10px; border: 1px solid rgba(255, 255, 255, .14); border-radius: 5px; color: #c9d7e5; font-size: 11px; }
.industry-card { position: relative; min-height: 210px; transition: border-color .2s ease, transform .2s ease; }
.industry-card::after { content: ""; position: absolute; right: -50px; bottom: -70px; width: 190px; height: 190px; border-radius: 50%; background: #eef4fc; }
.industry-card:hover { border-color: #a6c5eb; transform: translateX(3px); }
.industry-card h3, .industry-card p, .industry-card footer { position: relative; z-index: 2; }
.industry-card footer { margin-top: 28px; color: var(--blue); font-size: 14px; font-weight: 800; }
.industry-card footer span { margin-left: 8px; }
.home-card::after { background: #e9f7f2; }

.delivery-section { background: #fff; }
.delivery-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 90px; align-items: start; }
.delivery-copy { padding: 46px; border-radius: 18px; background: var(--blue-soft); }
.delivery-copy > p:not(.section-label) { margin: 24px 0 30px; color: var(--text); font-size: 16px; }
.delivery-steps { margin: 0; padding: 0; border-top: 1px solid var(--line); list-style: none; }
.delivery-steps li { display: grid; grid-template-columns: 52px 1fr auto; gap: 22px; align-items: start; padding: 32px 0; border-bottom: 1px solid var(--line); }
.delivery-steps li > span { color: var(--blue); font-size: 13px; font-weight: 800; }
.delivery-steps h3 { margin: 0 0 5px; font-size: 21px; }
.delivery-steps p { margin: 0; color: var(--text); font-size: 14px; }
.delivery-steps em { padding: 5px 9px; border-radius: 4px; background: #f0f4f8; color: #77899b; font-size: 11px; font-style: normal; }

.practice-section { background: var(--paper); }
.compact-heading { align-items: center; }
.practice-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.practice-card { min-height: 380px; padding: 34px; display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: 16px; background: #fff; }
.practice-card.highlighted { background: #eef4fc; }
.practice-type { display: flex; align-items: center; justify-content: space-between; color: var(--muted); font-size: 12px; }
.practice-type span { padding: 5px 9px; border-radius: 20px; background: var(--blue-soft); color: var(--blue); font-weight: 700; }
.practice-card h3 { margin: 70px 0 14px; font-size: 26px; line-height: 1.42; }
.practice-card p { margin: 0; color: var(--text); font-size: 15px; }
.practice-card ul { margin: auto 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; list-style: none; }
.practice-card li { padding: 5px 9px; border: 1px solid var(--line); border-radius: 5px; color: #6d7f91; font-size: 11px; }

.confidence-section { padding: 90px 0; color: #fff; background: var(--ink-strong); }
.confidence-layout { display: grid; grid-template-columns: .72fr 1.28fr; gap: 90px; align-items: center; }
.light-label { color: #75b5ff; }
.confidence-layout h2 { color: #fff; }
.confidence-grid { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid #29445f; border-left: 1px solid #29445f; }
.confidence-grid article { min-height: 185px; padding: 30px; border-right: 1px solid #29445f; border-bottom: 1px solid #29445f; }
.confidence-grid span { color: #64aaff; font-size: 11px; font-weight: 800; }
.confidence-grid h3 { margin: 31px 0 7px; font-size: 19px; }
.confidence-grid p { margin: 0; color: #9fb2c4; font-size: 14px; }

.faq-section { background: #fff; }
.faq-layout { display: grid; grid-template-columns: .75fr 1.25fr; gap: 90px; }
.faq-heading > p:last-child { color: var(--text); font-size: 15px; }
.faq-list details { padding: 21px 0; border-top: 1px solid var(--line); }
.faq-list details:last-child { border-bottom: 1px solid var(--line); }
.faq-list summary { display: flex; justify-content: space-between; gap: 20px; list-style: none; cursor: pointer; font-size: 17px; font-weight: 700; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary i { color: var(--blue); font-size: 19px; font-style: normal; transition: transform .2s ease; }
.faq-list details[open] summary i { transform: rotate(45deg); }
.faq-list details p { margin: 14px 42px 0 0; color: var(--text); font-size: 15px; }

.final-cta { padding: 0 0 90px; }
.final-cta-box { padding: 48px 52px; display: flex; align-items: center; justify-content: space-between; gap: 40px; border-radius: 18px; color: #fff; background: linear-gradient(110deg, #0d3f78, #176cce); }
.final-cta-box p { margin: 0 0 8px; color: #acd2ff; font-size: 13px; font-weight: 700; }
.final-cta-box h2 { max-width: 930px; margin: 0; font-size: clamp(30px, 3vw, 44px); line-height: 1.32; }
.light-button { flex: 0 0 auto; border-color: #fff; background: #fff; color: var(--blue-dark); box-shadow: none; }
.light-button:hover { background: #f4f8fc; color: var(--blue-dark); }

.site-footer { padding: 42px 0 26px; color: #fff; background: #071a2c; }
.footer-layout { display: grid; grid-template-columns: .8fr 1.2fr 1fr; gap: 30px; align-items: center; }
.footer-brand .brand-symbol { background: #fff; }
.footer-brand .brand-symbol i { background: var(--ink-strong); }
.footer-brand .brand-symbol i:nth-child(2) { background: var(--blue); }
.footer-layout > p { margin: 0; color: #8fa3b7; font-size: 13px; }
.footer-layout nav { display: flex; justify-content: flex-end; gap: 20px; font-size: 13px; }
.footer-layout > small { grid-column: 1 / -1; padding-top: 20px; border-top: 1px solid #1d3348; color: #61788d; font-size: 12px; }

.contact-dock {
  position: fixed;
  left: 0;
  top: 50%;
  z-index: 44;
  transform: translateY(-50%);
}
.contact-dock-trigger {
  width: 96px;
  padding: 11px 8px 14px;
  display: grid;
  justify-items: center;
  gap: 6px;
  border: 1px solid #dce5ee;
  border-left: 0;
  border-radius: 0 18px 18px 0;
  background: rgba(255, 255, 255, .97);
  color: var(--ink);
  box-shadow: 0 16px 42px rgba(18, 50, 83, .16);
  transition: width .2s ease, box-shadow .2s ease;
}
.contact-dock-trigger:hover { width: 104px; box-shadow: 0 18px 48px rgba(18, 50, 83, .22); }
.contact-dock-trigger img { width: 72px; height: 72px; object-fit: contain; filter: drop-shadow(0 7px 9px rgba(29, 91, 157, .18)); }
.contact-dock-trigger > span { display: grid; gap: 1px; text-align: center; }
.contact-dock-trigger b { font-size: 14px; }
.contact-dock-trigger small { color: var(--muted); font-size: 9px; white-space: nowrap; }
.contact-dock-panel {
  position: absolute;
  left: 100%;
  top: 50%;
  width: 390px;
  padding: 24px;
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  transform: translate(-12px, -50%);
  border: 1px solid #dce5ee;
  border-radius: 0 18px 18px 0;
  background: #fff;
  box-shadow: 0 24px 70px rgba(10, 42, 74, .22);
  transition: opacity .2s ease, transform .2s ease, visibility .2s ease;
}
.contact-dock.is-open .contact-dock-panel { visibility: visible; opacity: 1; pointer-events: auto; transform: translate(0, -50%); }
.contact-dock-panel header, .contact-dock-panel header > div { display: flex; align-items: center; }
.contact-dock-panel header { justify-content: space-between; gap: 20px; }
.contact-dock-panel header > div { gap: 10px; }
.contact-dock-panel header p { margin: 0; display: grid; }
.contact-dock-panel header b { font-size: 17px; }
.contact-dock-panel header small { color: var(--muted); font-size: 11px; }
.contact-dock-panel header > button { width: 30px; height: 30px; border: 0; border-radius: 50%; background: #f0f4f8; color: #52687e; font-size: 19px; }
.dock-status { width: 10px; height: 10px; border-radius: 50%; background: #24bb86; box-shadow: 0 0 0 5px #e3f8f0; }
.qr-grid { margin-top: 20px; display: grid; grid-template-columns: 1fr 1fr; gap: 13px; }
.qr-grid article { padding: 13px 10px 12px; display: grid; justify-items: center; border: 1px solid #e0e7ee; border-radius: 12px; background: #f8fafc; }
.qr-grid article > b { margin-top: 9px; font-size: 13px; }
.qr-grid article > small { color: var(--muted); font-size: 9px; }
.demo-qr {
  position: relative;
  width: 126px;
  height: 126px;
  overflow: hidden;
  border: 8px solid #fff;
  border-radius: 8px;
  background: repeating-conic-gradient(#102e4c 0 25%, transparent 0 50%) 0 0 / 13px 13px, #fff;
  box-shadow: 0 0 0 1px #d6e0e9;
}
.demo-qr.alternate { background: repeating-conic-gradient(#1767d8 0 25%, transparent 0 50%) 4px 2px / 14px 14px, #fff; }
.demo-qr i { position: absolute; width: 30px; height: 30px; border: 7px solid #102e4c; background: #fff; box-shadow: inset 0 0 0 4px #102e4c; }
.demo-qr i:nth-child(1) { left: 2px; top: 2px; }
.demo-qr i:nth-child(2) { right: 2px; top: 2px; }
.demo-qr i:nth-child(3) { left: 2px; bottom: 2px; }
.demo-qr span { position: absolute; left: 50%; top: 50%; padding: 4px 7px; transform: translate(-50%, -50%) rotate(-8deg); border-radius: 4px; background: rgba(255, 255, 255, .93); color: #667b90; font-size: 9px; font-weight: 800; white-space: nowrap; box-shadow: 0 2px 8px rgba(13, 44, 74, .13); }
.dock-online-button { width: 100%; min-height: 48px; margin-top: 14px; padding: 10px 14px; display: flex; align-items: center; gap: 8px; border: 0; border-radius: 9px; background: var(--blue); color: #fff; }
.dock-online-button span { font-size: 14px; font-weight: 800; }
.dock-online-button em { padding: 2px 6px; border-radius: 20px; background: rgba(255, 255, 255, .16); font-size: 9px; font-style: normal; }
.dock-online-button i { margin-left: auto; font-size: 18px; font-style: normal; }
.dock-note { margin: 10px 0 0; color: #8a99a9; font-size: 9px; line-height: 1.6; }

.advisor-welcome {
  position: fixed;
  right: 30px;
  bottom: 118px;
  z-index: 39;
  width: 470px;
  min-height: 190px;
  padding: 26px 135px 24px 28px;
  visibility: hidden;
  opacity: 0;
  transform: translateY(12px) scale(.98);
  border: 1px solid #dce5ee;
  border-radius: 18px;
  background: linear-gradient(125deg, #fff9f1 0%, #f7faff 52%, #eaf3ff 100%);
  box-shadow: 0 24px 70px rgba(18, 50, 83, .2);
  transition: opacity .25s ease, transform .25s ease, visibility .25s ease;
}
.advisor-welcome.is-visible { visibility: visible; opacity: 1; transform: translateY(0) scale(1); }
.advisor-welcome-close { position: absolute; right: 13px; top: 12px; z-index: 2; width: 29px; height: 29px; border: 0; border-radius: 50%; background: rgba(255, 255, 255, .72); color: #697d91; font-size: 18px; }
.advisor-welcome-copy > p { margin: 0 0 5px; color: var(--blue); font-size: 10px; font-weight: 800; letter-spacing: .08em; }
.advisor-welcome-copy h2 { margin: 0; font-size: 21px; }
.advisor-welcome-copy > span { margin-top: 9px; display: block; color: #54697f; font-size: 13px; line-height: 1.65; }
.advisor-welcome-copy > div { margin-top: 16px; display: flex; gap: 9px; }
.advisor-welcome-copy button { min-height: 38px; padding: 8px 15px; border: 1px solid var(--blue); border-radius: 20px; background: var(--blue); color: #fff; font-size: 12px; font-weight: 800; }
.advisor-welcome-copy .welcome-wechat { background: #fff; color: var(--blue); }
.advisor-welcome > img { position: absolute; right: 14px; bottom: -7px; width: 124px; height: 124px; object-fit: contain; filter: drop-shadow(0 12px 14px rgba(29, 91, 157, .19)); }

.floating-consult {
  position: fixed;
  right: 26px;
  bottom: 22px;
  z-index: 40;
  width: 88px;
  height: 88px;
  padding: 5px;
  overflow: hidden;
  border: 1px solid #d7e3ef;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 45%, #fff 0%, #eaf4ff 70%, #d6e9fd 100%);
  box-shadow: 0 15px 42px rgba(17, 67, 117, .24);
  transition: transform .2s ease, box-shadow .2s ease;
}
.floating-consult:hover { transform: translateY(-3px); box-shadow: 0 19px 50px rgba(17, 67, 117, .3); }
.floating-consult img { width: 100%; height: 100%; object-fit: contain; transform: scale(1.12); }
.floating-consult > span { position: absolute; right: 7px; top: 8px; width: 13px; height: 13px; border: 3px solid #fff; border-radius: 50%; background: #24bb86; }

.consult-dialog { width: min(1440px, calc(100% - 40px)); max-height: min(900px, calc(100vh - 32px)); padding: 0; overflow: auto; border: 0; border-radius: 24px; box-shadow: 0 40px 120px rgba(3, 22, 40, .45); }
.consult-dialog::backdrop { background: rgba(6, 24, 42, .68); backdrop-filter: blur(4px); }
.dialog-close { position: sticky; float: right; right: 20px; top: 18px; z-index: 4; width: 42px; height: 42px; margin: 18px 20px -60px auto; display: block; border: 1px solid rgba(135, 157, 180, .25); border-radius: 50%; background: rgba(255, 255, 255, .94); color: #44586d; font-size: 25px; box-shadow: 0 5px 18px rgba(23, 51, 79, .1); }
.smart-consult-layout { min-height: 760px; display: grid; grid-template-columns: 430px 1fr; }
.consult-intro { padding: 58px 50px 44px; color: #fff; background: linear-gradient(145deg, #071c31, #0b3c6d); }
.consult-badge { width: fit-content; margin: 0 0 36px; padding: 7px 12px; border: 1px solid rgba(134, 193, 252, .28); border-radius: 20px; color: #7ec0ff; font-size: 12px; font-weight: 800; letter-spacing: .1em; }
.consult-intro h2 { margin: 0; color: #fff; font-size: 42px; line-height: 1.3; letter-spacing: -.03em; }
.consult-intro > p:not(.consult-badge) { margin: 22px 0 0; color: #b3c8db; font-size: 16px; }
.consult-intro ol { margin: 44px 0 0; padding: 0; display: grid; gap: 25px; list-style: none; }
.consult-intro li { display: grid; grid-template-columns: 38px 1fr; gap: 15px; align-items: start; }
.consult-intro li > span { width: 36px; height: 36px; display: grid; place-items: center; border: 1px solid rgba(130, 184, 235, .25); border-radius: 10px; color: #72b9ff; font-size: 11px; font-weight: 800; }
.consult-intro li div { display: grid; gap: 1px; }
.consult-intro li b { font-size: 15px; }
.consult-intro li small { color: #819cb5; font-size: 12px; }
.knowledge-scope { margin-top: 42px; padding: 20px; border: 1px solid rgba(138, 189, 236, .18); border-radius: 12px; background: rgba(255, 255, 255, .05); }
.knowledge-scope b { color: #8bc6ff; font-size: 11px; }
.knowledge-scope p { margin: 7px 0 0; color: #a7bdd1; font-size: 12px; }

.consult-conversation { min-width: 0; padding: 46px 54px 48px; background: #f7f9fc; }
.conversation-head { min-height: 62px; padding: 0 52px 20px 0; display: flex; align-items: center; justify-content: space-between; gap: 24px; border-bottom: 1px solid #dfe6ee; }
.conversation-head > div:first-child { display: flex; align-items: center; gap: 10px; }
.advisor-avatar { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 12px; background: var(--blue); color: #fff; font-size: 15px; font-weight: 800; }
.conversation-head p { margin: 0; display: grid; }
.conversation-head b { font-size: 15px; }
.conversation-head small { color: var(--muted); font-size: 12px; }
.conversation-tools { display: flex; align-items: center; gap: 10px; }
.conversation-tools button { padding: 6px 9px; border: 0; background: transparent; color: var(--muted); font-size: 12px; }
.conversation-tools > span { min-width: 50px; padding: 6px 9px; border-radius: 20px; background: #e7f1fd; color: var(--blue); font-size: 12px; font-weight: 800; text-align: center; }

.chat-log { min-height: 350px; max-height: 440px; padding: 30px 5px 16px; overflow-y: auto; scroll-behavior: smooth; }
.chat-row { margin: 0 0 16px; display: flex; align-items: flex-end; gap: 10px; }
.chat-row.user { justify-content: flex-end; }
.chat-mini-avatar { width: 30px; height: 30px; flex: 0 0 auto; display: grid; place-items: center; border-radius: 9px; background: #e1efff; color: var(--blue); font-size: 10px; font-weight: 800; }
.chat-bubble { max-width: min(620px, 86%); padding: 15px 18px; border: 1px solid #dce5ef; border-radius: 4px 15px 15px 15px; background: #fff; color: #344b62; font-size: 15px; line-height: 1.72; box-shadow: 0 4px 15px rgba(29, 62, 96, .04); }
.chat-row.user .chat-bubble { border: 0; border-radius: 14px 4px 14px 14px; background: var(--blue); color: #fff; box-shadow: none; }
.chat-bubble strong { color: var(--ink-strong); }
.chat-bubble p { margin: 5px 0 0; }
.chat-actions { padding: 5px; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.chat-choice { min-height: 56px; padding: 13px 16px; border: 1px solid #d6e0ea; border-radius: 11px; background: #fff; color: #324b63; font-size: 14px; font-weight: 700; text-align: left; transition: border-color .2s ease, background .2s ease, color .2s ease; }
.chat-choice:hover { border-color: #79ace7; background: #f2f7fe; color: var(--blue); }
.detail-entry { grid-column: 1 / -1; display: grid; gap: 9px; }
.detail-entry textarea { width: 100%; min-height: 104px; resize: vertical; padding: 14px 15px; border: 1px solid #d4dee8; border-radius: 10px; background: #fff; color: var(--ink); font-size: 14px; outline: none; }
.detail-entry textarea:focus, .contact-input input:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(22, 103, 217, .09); }
.detail-buttons { display: flex; justify-content: flex-end; gap: 8px; }
.detail-buttons button { min-height: 42px; padding: 9px 16px; border-radius: 8px; font-size: 13px; font-weight: 700; }
.detail-skip { border: 1px solid #d5dee7; background: #fff; color: var(--muted); }
.detail-next { border: 1px solid var(--blue); background: var(--blue); color: #fff; }

.contact-form { margin-top: 18px; padding: 28px; border: 1px solid #dce5ee; border-radius: 14px; display: grid; gap: 17px; background: #fff; }
.contact-form[hidden], .consult-report[hidden] { display: none; }
.contact-form-head { display: flex; align-items: center; justify-content: space-between; gap: 15px; }
.contact-form-head b { font-size: 19px; }
.contact-form-head span { color: var(--muted); font-size: 12px; }
.contact-form fieldset { margin: 0; padding: 0; display: flex; gap: 18px; border: 0; }
.contact-form legend { width: 100%; margin-bottom: 7px; color: #52677c; font-size: 12px; font-weight: 700; }
.contact-form fieldset label { display: flex; align-items: center; gap: 6px; color: #425970; font-size: 13px; }
.contact-input { display: grid; grid-template-columns: 76px 1fr; align-items: center; gap: 10px; color: #425970; font-size: 13px; font-weight: 700; }
.contact-input input { width: 100%; padding: 13px 14px; border: 1px solid #d4dee8; border-radius: 9px; color: var(--ink); font-size: 14px; outline: none; }
.consent-check { display: grid; grid-template-columns: 17px 1fr; gap: 8px; align-items: start; color: #687b8e; font-size: 11px; }
.consent-check input { margin: 3px 0 0; }
.privacy-note { color: #6e8092; font-size: 11px; }
.privacy-note summary { width: fit-content; cursor: pointer; color: var(--blue); }
.privacy-note p { margin: 5px 0 0; padding: 8px 10px; border-radius: 7px; background: #f5f7fa; }
.contact-form .primary-button { width: 100%; }
.honey-field { position: absolute !important; left: -9999px !important; width: 1px !important; height: 1px !important; opacity: 0 !important; }
.form-status { margin: 0; white-space: pre-line; font-size: 12px; }
.form-status.success { padding: 9px 11px; border-radius: 7px; background: #e9f8f3; color: #087559; }
.form-status.error { padding: 9px 11px; border-radius: 7px; background: #fff0f0; color: #a23c3c; }
.selectable { user-select: text; }

.consult-report { margin-top: 18px; padding: 28px; border-radius: 14px; color: #fff; background: linear-gradient(135deg, #082442, #0f589e); }
.report-kicker { color: #7fc1ff; font-size: 10px; font-weight: 800; letter-spacing: .1em; }
.consult-report h3 { margin: 7px 0 16px; color: #fff; font-size: 22px; }
.consult-report ol { margin: 0; padding: 0; display: grid; gap: 8px; counter-reset: report; list-style: none; }
.consult-report li { display: grid; grid-template-columns: 26px 1fr; gap: 10px; color: #c7d9e9; font-size: 13px; line-height: 1.7; }
.consult-report li::before { counter-increment: report; content: counter(report); width: 24px; height: 24px; display: grid; place-items: center; border: 1px solid rgba(133, 191, 247, .3); border-radius: 7px; color: #7fc1ff; font-size: 10px; }
.consult-report > p { margin: 16px 0 0; padding-top: 14px; border-top: 1px solid rgba(145, 193, 239, .18); color: #91acc5; font-size: 11px; }

@media (max-width: 1040px) {
  :root { --container: calc(100% - 40px); }
  .navbar { height: 74px; }
  .site-nav { position: absolute; left: 20px; right: 20px; top: 80px; margin: 0; padding: 12px; display: none; flex-direction: column; align-items: stretch; gap: 0; border: 1px solid var(--line); border-radius: 12px; background: #fff; box-shadow: var(--shadow); }
  .site-nav.is-open { display: flex; }
  .site-nav a { padding: 11px; }
  .header-button { display: none; }
  .nav-toggle { margin-left: auto; width: 38px; height: 38px; padding: 8px; border: 0; display: flex; flex-direction: column; justify-content: center; gap: 5px; background: transparent; }
  .nav-toggle span { width: 22px; height: 2px; display: block; background: var(--ink); }
  .nav-toggle em { display: none; }
  .hero { padding: 126px 0 82px; }
  .hero-layout { grid-template-columns: 1fr; gap: 48px; }
  .hero-copy { max-width: 780px; }
  .hero-media { width: 100%; max-width: none; }
  .capability-grid { grid-template-columns: 1fr 1fr; }
  .capability-grid article:nth-child(3) { border-left: 0; border-top: 1px solid var(--line); }
  .capability-grid article:nth-child(4) { border-top: 1px solid var(--line); }
  .section { padding: 100px 0; }
  .section-heading, .ai-heading { grid-template-columns: 1fr; gap: 22px; }
  .service-grid { grid-template-columns: 1fr 1fr; }
  .ai-boundary { grid-template-columns: 1fr; gap: 16px; }
  .ai-boundary ul { justify-content: flex-start; }
  .solution-section .container, .delivery-layout, .confidence-layout, .faq-layout { grid-template-columns: 1fr; gap: 48px; }
  .solution-intro { position: static; }
  .practice-grid { grid-template-columns: 1fr; }
  .practice-card { min-height: 330px; }
  .footer-layout { grid-template-columns: 1fr; }
  .footer-layout nav { justify-content: flex-start; }
  .footer-layout > small { grid-column: auto; }
}

@media (max-width: 820px) {
  .contact-dock { top: auto; bottom: 0; transform: none; }
  .contact-dock-trigger { display: none; }
  .contact-dock-panel { position: fixed; left: 50%; right: auto; top: auto; bottom: 14px; width: min(390px, calc(100% - 24px)); border-radius: 18px; transform: translate(-50%, 20px); }
  .contact-dock.is-open .contact-dock-panel { transform: translate(-50%, 0); }
  .advisor-welcome { right: 18px; bottom: 108px; width: 430px; }
  .consult-dialog { width: calc(100% - 24px); max-height: calc(100vh - 24px); }
  .smart-consult-layout { min-height: auto; grid-template-columns: 1fr; }
  .consult-intro { padding: 30px 32px 27px; }
  .consult-badge { margin-bottom: 14px; }
  .consult-intro h2 { padding-right: 42px; font-size: 31px; }
  .consult-intro > p:not(.consult-badge) { margin-top: 10px; font-size: 13px; }
  .consult-intro ol, .knowledge-scope { display: none; }
  .consult-conversation { padding: 30px 28px 34px; }
  .chat-log { min-height: 290px; max-height: 370px; }
}

@media (max-width: 640px) {
  :root { --container: calc(100% - 28px); }
  .brand-name b { font-size: 18px; }
  .brand-name small { font-size: 8px; }
  .hero { padding: 112px 0 62px; }
  .hero h1 { font-size: 42px; }
  .hero-description { font-size: 16px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-checks { display: grid; grid-template-columns: 1fr 1fr; }
  .hero-media { padding: 8px; border-radius: 14px; }
  .media-label { left: 12px; top: 12px; padding: 7px 9px; }
  .media-label b { display: none; }
  .capability-bar { margin-top: -20px; }
  .capability-grid { grid-template-columns: 1fr; padding: 0 18px; }
  .capability-grid article { min-height: 100px; padding: 18px 5px; }
  .capability-grid article + article, .capability-grid article:nth-child(3) { border-left: 0; border-top: 1px solid var(--line); }
  .section { padding: 76px 0; }
  .section-heading h2, .ai-heading h2, .solution-intro h2, .delivery-copy h2, .confidence-layout h2, .faq-heading h2 { font-size: 36px; }
  .service-grid { grid-template-columns: 1fr; }
  .service-item { min-height: 370px; padding: 30px; }
  .ai-flow { grid-template-columns: 1fr; gap: 8px; }
  .ai-flow i { transform: rotate(90deg); text-align: center; }
  .ai-service-grid { grid-template-columns: 1fr; }
  .ai-service-card { min-height: 300px; padding: 28px; }
  .ai-boundary { padding: 23px; }
  .solution-section .container { gap: 34px; }
  .solution-card { padding: 27px; }
  .solution-card h3 { margin-top: 36px; font-size: 25px; }
  .delivery-copy { padding: 27px 23px; }
  .delivery-steps li { grid-template-columns: 36px 1fr; }
  .delivery-steps em { display: none; }
  .practice-card h3 { margin-top: 48px; }
  .confidence-section { padding: 72px 0; }
  .confidence-grid { grid-template-columns: 1fr; }
  .final-cta { padding-bottom: 70px; }
  .final-cta-box { padding: 34px 25px; flex-direction: column; align-items: flex-start; }
  .final-cta-box .primary-button { width: 100%; }
  .advisor-welcome { right: 12px; bottom: 92px; width: calc(100% - 24px); min-height: 176px; padding: 21px 104px 20px 20px; border-radius: 15px; }
  .advisor-welcome-copy h2 { font-size: 17px; }
  .advisor-welcome-copy > span { margin-top: 7px; font-size: 12px; line-height: 1.55; }
  .advisor-welcome-copy > div { margin-top: 12px; gap: 7px; }
  .advisor-welcome-copy button { min-height: 34px; padding: 7px 12px; font-size: 11px; }
  .advisor-welcome > img { right: 6px; width: 102px; height: 102px; }
  .floating-consult { right: 13px; bottom: 12px; width: 70px; height: 70px; padding: 4px; border-radius: 50%; }
  .floating-consult > span { right: 5px; top: 6px; width: 12px; height: 12px; border-width: 3px; }
  .consult-dialog { width: calc(100% - 16px); max-height: calc(100vh - 16px); border-radius: 16px; }
  .dialog-close { right: 14px; top: 13px; width: 38px; height: 38px; margin: 13px 14px -51px auto; font-size: 22px; }
  .consult-intro { padding: 25px 22px 22px; }
  .consult-badge { margin-bottom: 12px; }
  .consult-intro h2 { padding-right: 40px; font-size: 27px; }
  .consult-intro > p:not(.consult-badge) { margin-top: 10px; font-size: 12px; }
  .consult-intro ol { display: none; }
  .knowledge-scope { display: none; }
  .consult-conversation { padding: 25px 18px 28px; }
  .conversation-head { padding-right: 38px; }
  .conversation-head small { display: none; }
  .conversation-tools button { display: none; }
  .chat-log { min-height: 265px; max-height: 330px; padding-top: 20px; }
  .chat-bubble { max-width: 88%; padding: 13px 15px; font-size: 13px; }
  .chat-actions { grid-template-columns: 1fr; }
  .chat-choice { min-height: 50px; padding: 12px 14px; font-size: 13px; }
  .contact-input { grid-template-columns: 1fr; }
  .contact-form { padding: 22px 19px; }
  .contact-form-head b { font-size: 17px; }
  .contact-form fieldset label, .contact-input { font-size: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}
