:root {
  --paper: #f5f3ee;
  --paper-deep: #ebe8df;
  --surface: #ffffff;
  --ink: #16212b;
  --copy: #58636d;
  --muted: #7d858d;
  --line: rgba(22, 33, 43, 0.12);
  --violet: #6255e7;
  --violet-dark: #493bd0;
  --violet-soft: #ebe8ff;
  --mint: #cfff88;
  --mint-soft: #efffd8;
  --orange: #ff8b5d;
  --orange-soft: #fff0e8;
  --navy: #15222e;
  --shadow: 0 30px 80px rgba(25, 31, 45, 0.16);
  font-family: Inter, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  background: var(--paper);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img { display: block; }
svg { display: block; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.8; }

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 14px;
  border-radius: 9px;
  background: var(--ink);
  color: #fff;
  text-decoration: none;
  transform: translateY(-160%);
}
.skip-link:focus { transform: translateY(0); }

.page-width { width: min(1240px, calc(100% - 64px)); margin: 0 auto; }

.site-header {
  position: relative;
  z-index: 20;
  height: 82px;
  border-bottom: 1px solid var(--line);
  background: rgba(245, 243, 238, 0.92);
  backdrop-filter: blur(16px);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 100%; gap: 36px; }
.brand { display: inline-flex; align-items: center; gap: 12px; min-height: 48px; text-decoration: none; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 15px;
  background: var(--violet);
  box-shadow: 0 8px 22px rgba(98, 85, 231, 0.28);
  transform: rotate(-4deg);
}
.brand-mark img { width: 21px; height: 21px; filter: brightness(0) invert(1); transform: rotate(4deg); }
.brand-copy { display: grid; line-height: 1.15; }
.brand-copy strong { font-size: 16px; font-weight: 800; letter-spacing: 0.01em; }
.brand-copy span { margin-top: 3px; color: var(--muted); font-size: 11px; letter-spacing: 0.08em; }
.main-nav { display: flex; align-items: center; gap: 34px; margin-left: auto; }
.main-nav a { position: relative; padding: 10px 0; color: #48535c; font-size: 14px; font-weight: 600; text-decoration: none; }
.main-nav a::after { position: absolute; right: 0; bottom: 4px; left: 0; height: 2px; border-radius: 2px; background: var(--violet); content: ""; transform: scaleX(0); transition: transform 180ms ease; }
.main-nav a:hover::after { transform: scaleX(1); }
.header-action,
.primary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 11px;
  min-height: 48px;
  border-radius: 15px;
  text-decoration: none;
  font-weight: 750;
  transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
}
.header-action { padding: 0 18px; background: var(--ink); color: #fff; font-size: 13px; }
.header-action svg { width: 18px; height: 18px; }
.header-action:hover,
.primary-button:hover { transform: translateY(-2px); }

.hero-section { position: relative; overflow: hidden; padding: 88px 0 108px; }
.hero-section::before {
  position: absolute;
  top: -200px;
  left: 50%;
  width: 900px;
  height: 900px;
  border: 1px solid rgba(98, 85, 231, 0.08);
  border-radius: 50%;
  content: "";
  transform: translateX(-7%);
}
.hero-orb { position: absolute; border-radius: 50%; filter: blur(1px); pointer-events: none; }
.hero-orb-one { top: 120px; left: -100px; width: 280px; height: 280px; background: rgba(207, 255, 136, 0.45); }
.hero-orb-two { right: 1%; bottom: -120px; width: 260px; height: 260px; background: rgba(255, 139, 93, 0.15); }
.hero-grid { position: relative; display: grid; grid-template-columns: minmax(0, 1fr); align-items: center; gap: 70px; }
.eyebrow { display: flex; align-items: center; gap: 10px; margin: 0 0 20px; color: var(--violet-dark); font-size: 13px; font-weight: 800; letter-spacing: 0.08em; }
.status-dot { position: relative; width: 9px; height: 9px; border-radius: 50%; background: var(--violet); box-shadow: 0 0 0 6px rgba(98, 85, 231, 0.12); }
.hero-copy h1 { max-width: 730px; margin: 0; font-size: clamp(52px, 4.2vw, 70px); font-weight: 850; letter-spacing: -0.065em; line-height: 1.08; }
.hero-copy h1 span { color: var(--violet); }
.hero-summary { max-width: 620px; margin: 28px 0 0; color: var(--copy); font-size: 18px; line-height: 1.9; }
.entry-notice { display: flex; align-items: flex-start; gap: 9px; max-width: 600px; margin: 20px 0 0; padding: 13px 16px; border: 1px solid rgba(255, 139, 93, 0.32); border-radius: 13px; background: var(--orange-soft); color: #8f4427; font-size: 13px; }
.entry-notice[hidden] { display: none; }
.entry-notice svg { flex: 0 0 auto; width: 18px; height: 18px; margin-top: 1px; }
.hero-actions { display: flex; align-items: center; gap: 25px; margin-top: 34px; }
.primary-button { min-width: 190px; min-height: 56px; padding: 0 23px; background: var(--violet); color: #fff; box-shadow: 0 14px 28px rgba(98, 85, 231, 0.24); }
.primary-button:hover { background: var(--violet-dark); box-shadow: 0 18px 34px rgba(98, 85, 231, 0.32); }
.primary-button svg { width: 20px; height: 20px; }
.text-button { display: inline-flex; align-items: center; min-height: 44px; color: var(--ink); font-size: 14px; font-weight: 750; text-underline-offset: 5px; text-decoration-thickness: 1px; }
.text-button:hover { color: var(--violet-dark); }
.trust-row { display: flex; flex-wrap: wrap; gap: 22px; margin: 34px 0 0; padding: 0; color: #626c75; font-size: 13px; list-style: none; }
.trust-row li { display: inline-flex; align-items: center; gap: 7px; }
.trust-row img { width: 16px; height: 16px; filter: invert(40%) sepia(86%) saturate(1255%) hue-rotate(218deg) brightness(91%); }

.support-stage { position: relative; min-height: 590px; padding: 54px 36px; border-radius: 48px; background-color: var(--violet); background-image: radial-gradient(rgba(255,255,255,.22) 1.2px, transparent 1.2px); background-size: 22px 22px; box-shadow: 0 35px 85px rgba(70, 56, 190, 0.25); }
.support-stage::before { position: absolute; inset: 28px; border: 1px solid rgba(255, 255, 255, 0.18); border-radius: 32px; content: ""; }
.support-window { position: relative; z-index: 2; overflow: hidden; max-width: 440px; margin: 0 auto; border: 1px solid rgba(22,33,43,.08); border-radius: 25px; background: #fff; box-shadow: var(--shadow); transform: rotate(-1.6deg); }
.window-bar { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; min-height: 48px; padding: 0 18px; border-bottom: 1px solid #edf0f2; color: #6f7880; font-size: 11px; }
.window-bar > span:nth-child(2) { color: #303b44; font-weight: 750; }
.window-bar small { justify-self: end; color: #939aa0; font-size: 10px; }
.window-dots { display: flex; gap: 5px; }
.window-dots i { width: 7px; height: 7px; border-radius: 50%; background: #d9dde1; }
.window-dots i:first-child { background: var(--orange); }
.window-dots i:nth-child(2) { background: #ffd56a; }
.window-dots i:last-child { background: #85dca5; }
.agent-line { display: flex; align-items: center; gap: 11px; padding: 18px 20px; border-bottom: 1px solid #edf0f2; }
.agent-avatar { position: relative; overflow: hidden; width: 43px; height: 43px; border: 2px solid #fff; border-radius: 15px; background: var(--violet-soft); box-shadow: 0 0 0 2px var(--violet-soft); }
.agent-avatar::after { position: absolute; right: 1px; bottom: 1px; width: 8px; height: 8px; border: 2px solid #fff; border-radius: 50%; background: #39b872; content: ""; }
.agent-avatar img,
.mini-avatar img { width: 100%; height: 100%; object-fit: cover; }
.agent-copy { display: grid; flex: 1; min-width: 0; line-height: 1.35; }
.agent-copy strong { overflow: hidden; font-size: 13px; text-overflow: ellipsis; white-space: nowrap; }
.agent-copy small { overflow: hidden; margin-top: 2px; color: #899199; font-size: 10px; text-overflow: ellipsis; white-space: nowrap; }
.verified-badge { display: inline-flex; align-items: center; gap: 4px; padding: 5px 8px; border-radius: 99px; background: var(--mint-soft); color: #3d6424; font-size: 10px; font-weight: 800; }
.verified-badge img { width: 12px; height: 12px; filter: invert(43%) sepia(28%) saturate(1076%) hue-rotate(48deg) brightness(87%); }
.conversation { min-height: 296px; padding: 22px 20px 25px; background: #fafbfc; }
.context-chip { display: flex; align-items: center; justify-content: center; gap: 7px; width: max-content; max-width: 100%; margin: 0 auto 26px; padding: 7px 11px; border: 1px solid #e5e7ea; border-radius: 99px; background: #fff; color: #747d84; font-size: 9px; }
.context-chip img { width: 12px; height: 12px; opacity: .62; }
.bubble { width: fit-content; max-width: 76%; padding: 11px 14px; font-size: 11px; line-height: 1.65; }
.bubble-user { margin-left: auto; border-radius: 15px 15px 4px 15px; background: var(--violet); color: #fff; }
.bubble-row { display: flex; align-items: flex-end; gap: 8px; margin-top: 17px; }
.mini-avatar { flex: 0 0 auto; overflow: hidden; width: 25px; height: 25px; border-radius: 9px; background: var(--violet-soft); }
.bubble-service { border: 1px solid #e5e8ea; border-radius: 15px 15px 15px 4px; background: #fff; color: #48535d; }
.mock-composer { display: flex; align-items: center; justify-content: space-between; margin: 13px; padding: 10px 10px 10px 14px; border: 1px solid #e4e7e9; border-radius: 13px; color: #a4aab0; font-size: 10px; }
.send-icon { display: grid; place-items: center; width: 31px; height: 31px; border-radius: 10px; background: var(--violet-soft); color: var(--violet); }
.send-icon svg { width: 16px; height: 16px; }
.stage-tag { position: absolute; z-index: 3; display: flex; align-items: center; gap: 10px; min-width: 164px; padding: 11px 13px; border: 1px solid rgba(22,33,43,.08); border-radius: 16px; background: #fff; box-shadow: 0 16px 40px rgba(28, 26, 67, 0.2); }
.stage-tag-top { top: 28px; left: -32px; transform: rotate(3deg); }
.stage-tag-bottom { right: -35px; bottom: 42px; transform: rotate(-2deg); }
.tag-icon { display: grid; place-items: center; flex: 0 0 auto; width: 36px; height: 36px; border-radius: 12px; background: var(--mint-soft); }
.tag-icon-warm { background: var(--orange-soft); }
.tag-icon img { width: 18px; height: 18px; }
.stage-tag > span:last-child { display: grid; line-height: 1.25; }
.stage-tag small { color: #8a9197; font-size: 9px; }
.stage-tag strong { margin-top: 3px; font-size: 11px; }

.guide-section { padding: 112px 0; background: #fff; }
.section-intro h2 { margin: 0; font-size: clamp(38px, 3.3vw, 54px); font-weight: 840; letter-spacing: -0.05em; line-height: 1.18; }
.eyebrow-dark { color: var(--violet-dark); }
.split-intro { display: grid; grid-template-columns: 1.05fr .75fr; align-items: end; gap: 90px; margin-bottom: 58px; }
.split-intro > p { margin: 0 0 6px; color: var(--copy); font-size: 15px; line-height: 1.9; }
.step-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; margin: 0; padding: 0; list-style: none; }
.step-card { position: relative; min-height: 330px; padding: 34px 42px 34px 0; }
.step-card + .step-card { padding-left: 42px; }
.step-number { display: block; margin-bottom: 32px; color: #b2b5b7; font-size: 12px; font-weight: 800; letter-spacing: .12em; }
.step-icon { display: grid; place-items: center; width: 62px; height: 62px; margin-bottom: 27px; border-radius: 20px; background: var(--paper); transform: rotate(-3deg); }
.featured-step .step-icon { background: var(--violet); box-shadow: 0 12px 25px rgba(98,85,231,.23); }
.step-icon img { width: 27px; height: 27px; }
.featured-step .step-icon img { filter: brightness(0) invert(1); }
.step-card h3 { margin: 0 0 11px; font-size: 21px; }
.step-card p { max-width: 300px; margin: 0; color: var(--copy); font-size: 14px; line-height: 1.8; }
.step-line { position: absolute; top: 96px; right: 8px; width: calc(100% - 115px); height: 1px; background: repeating-linear-gradient(90deg, #cfd3d5 0 5px, transparent 5px 11px); }
.guide-callout { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 18px; padding: 20px 24px; border: 1px solid #dcdfe1; border-radius: 20px; background: var(--paper); }
.callout-mark { display: grid; place-items: center; width: 48px; height: 48px; border-radius: 15px; background: var(--mint); }
.callout-mark img { width: 22px; height: 22px; }
.guide-callout strong { font-size: 14px; }
.guide-callout p { margin: 1px 0 0; color: var(--copy); font-size: 12px; }
.guide-callout a { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; padding: 0 18px; border-radius: 13px; background: var(--ink); color: #fff; font-size: 13px; font-weight: 750; text-decoration: none; }

.services-section { position: relative; overflow: hidden; padding: 112px 0 122px; background: var(--navy); color: #fff; }
.services-section::before { position: absolute; top: -220px; right: -160px; width: 580px; height: 580px; border: 100px solid rgba(98,85,231,.15); border-radius: 50%; content: ""; }
.services-section .page-width { position: relative; }
.eyebrow-light { color: var(--mint); }
.services-intro { max-width: 680px; margin-bottom: 48px; }
.services-intro > p:last-child { margin: 17px 0 0; color: #aeb8c0; }
.service-grid { display: grid; grid-template-columns: 1.35fr 1fr 1fr; gap: 18px; }
.service-card { display: flex; flex-direction: column; justify-content: space-between; min-height: 390px; padding: 28px; border: 1px solid rgba(255,255,255,.1); border-radius: 26px; background: #21303d; }
.service-card-main { background: var(--violet); }
.service-card-warm { background: #f8e9de; color: var(--ink); }
.service-card-top { display: flex; align-items: flex-start; justify-content: space-between; }
.service-icon { display: grid; place-items: center; width: 52px; height: 52px; border-radius: 17px; background: rgba(255,255,255,.12); }
.service-card-warm .service-icon { background: rgba(255,255,255,.58); }
.service-icon img { width: 25px; height: 25px; filter: brightness(0) invert(1); }
.service-card-warm .service-icon img { filter: none; }
.card-index { color: rgba(255,255,255,.4); font-size: 12px; font-weight: 800; letter-spacing: .1em; }
.service-card-warm .card-index { color: rgba(22,33,43,.35); }
.card-label { margin: 0 0 5px !important; color: var(--mint) !important; font-size: 11px !important; font-weight: 800; letter-spacing: .08em; }
.service-card-warm .card-label { color: #a45235 !important; }
.service-card h3 { margin: 0 0 12px; font-size: 27px; }
.service-card p { max-width: 340px; margin: 0; color: #bec7cd; font-size: 14px; line-height: 1.8; }
.service-card-main p { color: rgba(255,255,255,.78); }
.service-card-warm p { color: #657078; }
.topic-list { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 24px; }
.topic-list span { padding: 6px 10px; border: 1px solid rgba(255,255,255,.2); border-radius: 99px; color: rgba(255,255,255,.78); font-size: 10px; }

.security-section { padding: 116px 0; background: var(--mint); }
.security-grid { display: grid; grid-template-columns: .8fr 1.2fr; align-items: start; gap: 110px; }
.security-copy { position: sticky; top: 40px; }
.security-copy h2 { margin: 0; font-size: clamp(40px, 3.5vw, 57px); letter-spacing: -.055em; line-height: 1.15; }
.security-copy > p:not(.eyebrow) { max-width: 480px; margin: 22px 0 18px; color: #4f613c; line-height: 1.9; }
.text-button-dark { color: var(--ink); }
.safety-list { overflow: hidden; border: 1px solid rgba(22,33,43,.13); border-radius: 27px; background: rgba(255,255,255,.72); box-shadow: 0 25px 60px rgba(71,92,43,.12); }
.safety-list article { display: grid; grid-template-columns: auto 1fr; align-items: center; gap: 18px; min-height: 128px; padding: 24px 28px; }
.safety-list article + article { border-top: 1px solid rgba(22,33,43,.11); }
.safety-list article > span { display: grid; place-items: center; width: 50px; height: 50px; border-radius: 16px; background: var(--ink); }
.safety-list img { width: 23px; height: 23px; filter: brightness(0) invert(1); }
.safety-list strong { font-size: 17px; }
.safety-list p { margin: 3px 0 0; color: #657257; font-size: 13px; }

.faq-section { padding: 112px 0; background: #fff; }
.faq-grid { display: grid; grid-template-columns: .72fr 1.28fr; gap: 110px; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 20px; min-height: 84px; cursor: pointer; font-size: 17px; font-weight: 750; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span { position: relative; width: 30px; height: 30px; border: 1px solid var(--line); border-radius: 50%; }
.faq-list summary span::before,
.faq-list summary span::after { position: absolute; top: 14px; left: 9px; width: 10px; height: 1.5px; background: var(--ink); content: ""; transition: transform 180ms ease; }
.faq-list summary span::after { transform: rotate(90deg); }
.faq-list details[open] summary span::after { transform: rotate(0); }
.faq-list details p { max-width: 670px; margin: -7px 50px 26px 0; color: var(--copy); font-size: 14px; line-height: 1.85; }

.entity-section { padding: 0 0 100px; background: #fff; }
.entity-card { display: grid; grid-template-columns: .72fr 1.28fr; align-items: center; gap: 70px; padding: 40px; border-radius: 28px; background: var(--paper); }
.entity-heading { display: flex; align-items: center; gap: 16px; }
.entity-icon { display: grid; place-items: center; width: 54px; height: 54px; border-radius: 17px; background: var(--violet); }
.entity-icon img { width: 25px; height: 25px; filter: brightness(0) invert(1); }
.entity-heading p { margin: 0; color: var(--muted); font-size: 11px; font-weight: 800; letter-spacing: .08em; }
.entity-heading h2 { margin: 2px 0 0; font-size: 23px; }
.entity-card dl { overflow: hidden; margin: 0; border: 1px solid var(--line); border-radius: 18px; background: #fff; }
.entity-card dl div { display: grid; grid-template-columns: 110px 1fr; gap: 20px; padding: 15px 20px; }
.entity-card dl div + div { border-top: 1px solid var(--line); }
.entity-card dt { color: var(--muted); font-size: 12px; }
.entity-card dd { margin: 0; font-size: 13px; font-weight: 750; }

.site-footer { border-top: 1px solid var(--line); background: var(--paper); }
.footer-inner { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 30px; min-height: 108px; }
.footer-brand { display: grid; width: fit-content; line-height: 1.2; text-decoration: none; }
.footer-brand span { font-size: 14px; font-weight: 800; }
.footer-brand small { margin-top: 3px; color: var(--muted); font-size: 10px; letter-spacing: .06em; }
.footer-inner > p { margin: 0; color: var(--muted); font-size: 11px; text-align: center; }
.site-footer nav { display: flex; justify-self: end; gap: 24px; }
.site-footer nav a { min-height: 44px; display: inline-flex; align-items: center; color: #5f6971; font-size: 12px; text-decoration: none; }
.site-footer nav a:hover { color: var(--violet-dark); }

.brand:focus-visible,
.main-nav a:focus-visible,
.header-action:focus-visible,
.primary-button:focus-visible,
.text-button:focus-visible,
.guide-callout a:focus-visible,
.site-footer a:focus-visible,
.faq-list summary:focus-visible { outline: 3px solid rgba(98,85,231,.32); outline-offset: 4px; }

@media (max-width: 1080px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr) 440px; gap: 48px; }
  .support-stage { min-height: 540px; padding: 52px 26px; }
  .stage-tag-top { left: -16px; }
  .stage-tag-bottom { right: -16px; }
  .security-grid,
  .faq-grid { gap: 70px; }
}

@media (max-width: 900px) {
  .main-nav { display: none; }
  .hero-section { padding-top: 72px; }
  .hero-grid { grid-template-columns: 1fr; gap: 72px; }
  .hero-copy { max-width: 720px; }
  .support-stage { width: min(570px, 100%); margin: 0 auto; }
  .split-intro,
  .security-grid,
  .faq-grid,
  .entity-card { grid-template-columns: 1fr; gap: 38px; }
  .service-grid { grid-template-columns: 1fr 1fr; }
  .service-card-main { grid-column: 1 / -1; }
  .service-card { min-height: 340px; }
  .security-copy { position: static; }
  .entity-card { align-items: stretch; }
}

@media (max-width: 680px) {
  .page-width { width: min(100% - 34px, 1240px); }
  .site-header { height: 72px; }
  .brand-mark { width: 40px; height: 40px; border-radius: 13px; }
  .brand-copy span { display: none; }
  .header-action { min-height: 44px; padding: 0 14px; }
  .header-action svg { display: none; }
  .hero-section { padding: 56px 0 78px; }
  .hero-section::before { display: none; }
  .hero-copy h1 { font-size: clamp(42px, 12vw, 61px); }
  .hero-summary { margin-top: 22px; font-size: 16px; line-height: 1.8; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 10px; margin-top: 28px; }
  .primary-button { width: 100%; }
  .text-button { padding-left: 2px; }
  .trust-row { gap: 12px 18px; margin-top: 27px; }
  .support-stage { min-height: 475px; padding: 39px 12px 42px; border-radius: 30px; }
  .support-stage::before { inset: 15px; border-radius: 22px; }
  .support-window { border-radius: 20px; transform: none; }
  .conversation { min-height: 245px; padding-right: 14px; padding-left: 14px; }
  .window-bar { padding: 0 12px; }
  .window-bar small { display: none; }
  .window-bar { grid-template-columns: 1fr auto; }
  .agent-line { padding: 15px; }
  .bubble { max-width: 85%; }
  .stage-tag { display: none; }
  .guide-section,
  .services-section,
  .security-section,
  .faq-section { padding: 78px 0; }
  .split-intro { margin-bottom: 35px; }
  .section-intro h2,
  .security-copy h2 { font-size: 38px; }
  .step-grid { grid-template-columns: 1fr; }
  .step-card,
  .step-card + .step-card { min-height: 0; padding: 24px 0 30px 82px; }
  .step-number { margin-bottom: 9px; }
  .step-icon { position: absolute; top: 24px; left: 0; width: 56px; height: 56px; margin: 0; }
  .step-line { display: none; }
  .guide-callout { grid-template-columns: auto 1fr; padding: 18px; }
  .guide-callout a { grid-column: 1 / -1; width: 100%; justify-content: center; }
  .service-grid { grid-template-columns: 1fr; }
  .service-card-main { grid-column: auto; }
  .service-card { min-height: 330px; border-radius: 22px; }
  .safety-list article { min-height: 112px; padding: 20px; }
  .faq-list summary { min-height: 76px; font-size: 15px; }
  .entity-section { padding-bottom: 72px; }
  .entity-card { padding: 24px; border-radius: 22px; }
  .entity-card dl div { grid-template-columns: 1fr; gap: 3px; }
  .footer-inner { grid-template-columns: 1fr auto; padding: 24px 0; }
  .footer-inner > p { grid-column: 1 / -1; grid-row: 2; text-align: left; }
}

@media (max-width: 390px) {
  .brand-copy strong { font-size: 14px; }
  .header-action { padding: 0 12px; font-size: 12px; }
  .hero-copy h1 { font-size: 40px; }
  .trust-row { display: grid; grid-template-columns: 1fr 1fr; }
  .support-stage { min-height: 455px; }
  .context-chip { font-size: 8px; }
  .verified-badge { display: none; }
  .site-footer nav { gap: 14px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}