/* ============================================================
   快启官网 · 单页版样式
   结构：变量 → 基础 → 按钮/表单 → 导航 → 首屏 → 业务服务
        → 行业 → 流程 → 优势 → 联系 → 页脚 → 悬浮 → 响应式
   ============================================================ */

:root {
  --navy: #061428;
  --navy-2: #0B2240;
  --blue: #1F5EFF;
  --blue-dark: #1546D6;
  --blue-soft: #EDF3FF;
  --cyan: #2ED3F5;
  --ink: #0A1729;
  --text: #2C3B52;
  --muted: #6C7A93;
  --line: #E4EAF4;
  --bg-soft: #F6F9FD;
  --radius: 16px;
  --container: 1160px;
  --ease: cubic-bezier(.22, .61, .36, 1);
  --grad: linear-gradient(135deg, #1F5EFF 0%, #13A7F5 100%);
}

* { box-sizing: border-box; }
*::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 84px; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: #fff;
  color: var(--text);
  font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, p { margin: 0; }
::selection { background: rgba(31, 94, 255, .16); }

.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: 24px; }
.section { padding: clamp(56px, 6.4vw, 92px) 0; }
.section--soft { background: var(--bg-soft); }

.section-head { max-width: 700px; margin-bottom: clamp(30px, 3.6vw, 48px); }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head h2 {
  font-size: clamp(24px, 2.9vw, 36px);
  line-height: 1.3;
  letter-spacing: -.018em;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 12px;
}
.section-head p { font-size: 15.5px; color: var(--muted); line-height: 1.8; }

.eyebrow {
  display: inline-block;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 10px;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 46px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}
.btn:hover { transform: translateY(-2px); }
.btn--primary { background: var(--grad); color: #fff; box-shadow: 0 10px 24px rgba(31, 94, 255, .28); }
.btn--primary:hover { box-shadow: 0 14px 32px rgba(31, 94, 255, .36); }
.btn--ghost { background: #fff; color: var(--ink); border-color: #D6DEEE; }
.btn--ghost:hover { border-color: var(--blue); color: var(--blue); }
.btn--light { background: #fff; color: var(--navy); }
.btn--line-light { background: rgba(255, 255, 255, .06); color: #fff; border-color: rgba(255, 255, 255, .3); }
.btn--line-light:hover { background: rgba(255, 255, 255, .14); }
.btn--sm { height: 40px; padding: 0 18px; font-size: 14px; }
.btn--block { width: 100%; }
.btn .arrow { transition: transform .2s var(--ease); }
.btn:hover .arrow { transform: translateX(3px); }

/* ---------- 导航 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  background: rgba(255, 255, 255, .9);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.site-header.is-stuck { border-bottom-color: var(--line); box-shadow: 0 6px 22px rgba(8, 21, 42, .06); }

.nav { display: flex; align-items: center; gap: 28px; height: 70px; }

.logo { display: inline-flex; align-items: center; gap: 10px; flex: none; font-size: 19px; font-weight: 700; color: var(--ink); letter-spacing: -.01em; }
.logo__mark {
  width: 34px; height: 34px;
  border-radius: 10px;
  background: var(--grad);
  color: #fff;
  display: grid; place-items: center;
  box-shadow: 0 6px 16px rgba(31, 94, 255, .28);
}
.logo__mark svg { width: 19px; height: 19px; }
.logo small {
  display: block;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .16em;
  color: var(--muted);
  line-height: 1;
  margin-top: 3px;
}

.nav__menu { display: flex; align-items: center; gap: 2px; margin-left: 8px; }
.nav__menu a {
  padding: 8px 13px;
  border-radius: 8px;
  font-size: 15px;
  color: #34445E;
  transition: color .2s var(--ease), background .2s var(--ease);
}
.nav__menu a:hover { color: var(--blue); background: var(--blue-soft); }

.nav__right { display: flex; align-items: center; gap: 14px; margin-left: auto; }
.nav__tel { display: flex; flex-direction: column; line-height: 1.15; font-size: 11px; color: var(--muted); letter-spacing: .04em; }
.nav__tel b { font-size: 16px; font-weight: 700; color: var(--ink); }

.nav__toggle {
  display: none;
  width: 42px; height: 42px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  cursor: pointer;
  place-items: center;
}
.nav__toggle span { display: block; width: 18px; height: 2px; background: var(--ink); border-radius: 2px; position: relative; transition: .3s var(--ease); }
.nav__toggle span::before, .nav__toggle span::after {
  content: ""; position: absolute; left: 0; width: 18px; height: 2px;
  background: var(--ink); border-radius: 2px; transition: .3s var(--ease);
}
.nav__toggle span::before { top: -6px; }
.nav__toggle span::after { top: 6px; }
body.nav-open .nav__toggle span { background: transparent; }
body.nav-open .nav__toggle span::before { top: 0; transform: rotate(45deg); }
body.nav-open .nav__toggle span::after { top: 0; transform: rotate(-45deg); }

/* ---------- 首屏 ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(44px, 5.2vw, 76px) 0 clamp(52px, 5.4vw, 80px);
  background:
    radial-gradient(760px 420px at 88% 6%, rgba(31, 94, 255, .14), transparent 62%),
    radial-gradient(560px 380px at 4% 88%, rgba(46, 211, 245, .12), transparent 66%),
    linear-gradient(180deg, #F7FAFF 0%, #FFFFFF 78%);
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(31, 94, 255, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(31, 94, 255, .05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(80% 70% at 50% 0%, #000 10%, transparent 72%);
  -webkit-mask-image: radial-gradient(80% 70% at 50% 0%, #000 10%, transparent 72%);
  pointer-events: none;
}
.hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 400px);
  gap: clamp(30px, 4vw, 64px);
  align-items: center;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 32px;
  padding: 0 14px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid #DEE7F8;
  box-shadow: 0 2px 8px rgba(31, 94, 255, .06);
  font-size: 12.5px;
  font-weight: 600;
  color: #3A5175;
  margin-bottom: 20px;
}
.hero__badge i {
  width: 6px; height: 6px; border-radius: 50%;
  background: #22C55E;
  box-shadow: 0 0 0 3px rgba(34, 197, 94, .16);
}

.hero h1 {
  font-size: clamp(30px, 3.9vw, 46px);
  line-height: 1.22;
  letter-spacing: -.025em;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 18px;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(96deg, #1F5EFF, #0FA8E0);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.hero__sub {
  font-size: clamp(15px, 1.15vw, 17px);
  line-height: 1.85;
  color: var(--muted);
  max-width: 520px;
  margin-bottom: 26px;
}
.hero__sub b { color: var(--ink); font-weight: 600; }

.hero__points { display: grid; gap: 10px; margin-bottom: 28px; }
.hero__points li { display: flex; gap: 10px; font-size: 14.5px; color: #3D4D66; align-items: flex-start; }
.hero__points li i {
  width: 19px; height: 19px; flex: none; margin-top: 4px;
  border-radius: 50%;
  background: var(--blue-soft);
  color: var(--blue);
  display: grid; place-items: center;
}
.hero__points li i svg { width: 11px; height: 11px; }

.hero__btns { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 30px; }

.hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}
.hero__stats div { padding-right: 26px; margin-right: 26px; border-right: 1px solid var(--line); }
.hero__stats div:last-child { border-right: 0; margin-right: 0; padding-right: 0; }
.hero__stats b { display: block; font-size: 24px; font-weight: 700; color: var(--ink); letter-spacing: -.02em; line-height: 1.3; }
.hero__stats b em { font-style: normal; font-size: .6em; color: var(--blue); margin-left: 1px; }
.hero__stats span { font-size: 12.5px; color: var(--muted); }

/* ---------- 留资表单 ---------- */
.form-card {
  position: relative;
  background: #fff;
  border: 1px solid #E3EAF6;
  border-radius: 20px;
  padding: 26px 24px 22px;
  box-shadow: 0 22px 60px rgba(10, 30, 66, .12);
}
.form-card::before {
  content: "";
  position: absolute;
  inset: -1px -1px auto -1px;
  height: 4px;
  border-radius: 20px 20px 0 0;
  background: var(--grad);
}
.form-card__head { margin-bottom: 18px; }
.form-card__head h3 { font-size: 18px; font-weight: 700; color: var(--ink); margin-bottom: 4px; }
.form-card__head p { font-size: 12.5px; color: var(--muted); }
.form-card__head p b { color: #E4572E; font-weight: 600; }

.field { margin-bottom: 12px; }
.field label { display: block; font-size: 12.5px; font-weight: 600; color: #43536D; margin-bottom: 5px; }
.field label .req { color: #E4572E; margin-left: 2px; }
.field input,
.field select,
.field textarea {
  width: 100%;
  height: 42px;
  padding: 0 12px;
  border: 1px solid #DCE4F1;
  border-radius: 9px;
  background: #FBFCFE;
  font-size: 14px;
  color: var(--ink);
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease);
  appearance: none;
}
.field textarea { height: 68px; padding: 9px 12px; resize: vertical; line-height: 1.6; }
.field select {
  background-image: url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23788BA6' stroke-width='2.4' stroke-linecap='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 15px;
  padding-right: 32px;
  cursor: pointer;
}
.field input::placeholder, .field textarea::placeholder { color: #A9B6C9; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--blue);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(31, 94, 255, .12);
}
.field.has-error input, .field.has-error select { border-color: #E4572E; background: #FFF9F7; }
.field__err { display: none; font-size: 11.5px; color: #E4572E; margin-top: 4px; }
.field.has-error .field__err { display: block; }
.field--hp { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }

.form-card .btn { margin-top: 6px; height: 46px; }
.form-consent {
  display: flex; gap: 7px; align-items: flex-start;
  font-size: 11.5px; color: #93A0B5; line-height: 1.6; margin-top: 10px;
}
.form-consent input { width: 14px; height: 14px; margin-top: 2px; accent-color: var(--blue); flex: none; }
.form-consent a { color: var(--blue); }
.form-msg { display: none; margin-top: 10px; padding: 9px 12px; border-radius: 8px; font-size: 12.5px; line-height: 1.6; }
.form-msg.is-ok { display: block; background: #E9F9F0; color: #0B7A45; }
.form-msg.is-err { display: block; background: #FFF1EC; color: #C2401F; }
.form-card__foot {
  margin-top: 14px; padding-top: 12px;
  border-top: 1px dashed #E4EAF5;
  display: flex; align-items: center; justify-content: center; gap: 6px;
  font-size: 11px; color: #9AA8BE;
}
.form-card__foot svg { width: 12px; height: 12px; }

/* ---------- 业务服务 ---------- */
.svc-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.svc {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 24px;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.svc:hover { transform: translateY(-4px); border-color: #C7D8F8; box-shadow: 0 16px 40px rgba(10, 30, 66, .09); }
.svc__ico {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--blue-soft);
  color: var(--blue);
  display: grid; place-items: center;
  margin-bottom: 16px;
  transition: .3s var(--ease);
}
.svc:hover .svc__ico { background: var(--grad); color: #fff; box-shadow: 0 8px 20px rgba(31, 94, 255, .26); }
.svc__ico svg { width: 22px; height: 22px; }
.svc h3 { font-size: 16.5px; font-weight: 600; color: var(--ink); margin-bottom: 7px; }
.svc p { font-size: 13.5px; color: var(--muted); line-height: 1.75; }

/* ---------- 行业 ---------- */
.ind-wrap { display: flex; flex-wrap: wrap; gap: 10px; }
.ind-wrap span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  height: 40px;
  padding: 0 18px;
  border-radius: 10px;
  background: #fff;
  border: 1px solid var(--line);
  font-size: 14px;
  color: #3D4D66;
  transition: .25s var(--ease);
}
.ind-wrap span::before {
  content: "";
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--blue);
  opacity: .55;
}
.ind-wrap span:hover { border-color: #C7D8F8; color: var(--blue); transform: translateY(-2px); }
.ind-note { margin-top: 20px; font-size: 12.5px; color: #8C9BB2; }

/* ---------- 流程 ---------- */
.steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.step {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px 22px;
}
.step__num {
  display: inline-grid;
  place-items: center;
  width: 34px; height: 34px;
  border-radius: 10px;
  background: var(--blue-soft);
  color: var(--blue);
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 14px;
}
.step h3 { font-size: 15.5px; font-weight: 600; color: var(--ink); margin-bottom: 6px; }
.step p { font-size: 13px; color: var(--muted); line-height: 1.7; }

/* ---------- 优势 ---------- */
.why { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px 32px; }
.why li { display: flex; gap: 12px; align-items: flex-start; }
.why li i {
  width: 22px; height: 22px; flex: none; margin-top: 3px;
  border-radius: 50%;
  background: var(--blue-soft);
  color: var(--blue);
  display: grid; place-items: center;
}
.why li i svg { width: 12px; height: 12px; }
.why li b { display: block; font-size: 15px; color: var(--ink); font-weight: 600; margin-bottom: 2px; }
.why li p { font-size: 13.5px; color: var(--muted); line-height: 1.7; }

/* ---------- 联系 ---------- */
.contact-band {
  position: relative;
  overflow: hidden;
  border-radius: 24px;
  padding: clamp(32px, 4vw, 52px);
  background:
    radial-gradient(680px 360px at 92% 0%, rgba(31, 94, 255, .38), transparent 62%),
    linear-gradient(150deg, #061428 0%, #0A2038 100%);
  color: #fff;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 32px;
  align-items: center;
}
.contact-band::before {
  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: 52px 52px;
  mask-image: radial-gradient(80% 90% at 20% 20%, #000, transparent 76%);
  -webkit-mask-image: radial-gradient(80% 90% at 20% 20%, #000, transparent 76%);
  pointer-events: none;
}
.contact-band > * { position: relative; }
.contact-band h2 { font-size: clamp(22px, 2.5vw, 30px); line-height: 1.35; margin-bottom: 10px; }
.contact-band p { font-size: 14.5px; color: rgba(255, 255, 255, .62); line-height: 1.8; max-width: 520px; margin-bottom: 22px; }
.contact-band__info { display: flex; flex-wrap: wrap; gap: 12px 34px; }
.contact-band__info div span { display: block; font-size: 11.5px; color: rgba(255, 255, 255, .45); letter-spacing: .04em; }
.contact-band__info div b { font-size: 19px; font-weight: 700; letter-spacing: .01em; color: #fff; }
.contact-band__info div em { font-style: normal; font-size: 13.5px; color: rgba(255, 255, 255, .82); }
.contact-band__actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* ---------- 页脚 ---------- */
.site-footer { background: #04101F; color: rgba(255, 255, 255, .5); padding: 40px 0 26px; font-size: 13px; }
.footer-top {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.footer-top .logo { color: #fff; }
.footer-top .logo small { color: rgba(255, 255, 255, .35); }
.footer-brand p { margin-top: 12px; font-size: 12.5px; line-height: 1.8; color: rgba(255, 255, 255, .42); max-width: 320px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 10px 22px; font-size: 13px; }
.footer-links a:hover { color: #fff; }
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-top: 20px;
  font-size: 12.5px;
  color: rgba(255, 255, 255, .3);
}
.footer-bottom a { color: rgba(255, 255, 255, .38); }
.footer-bottom a:hover { color: #fff; }

/* ---------- 悬浮咨询 ---------- */
.dock { position: fixed; right: 18px; bottom: 76px; z-index: 80; display: grid; gap: 8px; }
.dock__btn {
  position: relative;
  width: 50px; height: 50px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: #fff;
  color: #33425C;
  display: grid; place-items: center;
  cursor: pointer;
  box-shadow: 0 8px 22px rgba(8, 21, 42, .12);
  transition: .22s var(--ease);
}
.dock__btn:hover { transform: translateY(-2px); color: var(--blue); border-color: #C6D7F7; }
.dock__btn svg { width: 20px; height: 20px; }
.dock__btn--primary { background: var(--grad); border-color: transparent; color: #fff; box-shadow: 0 10px 24px rgba(31, 94, 255, .36); }
.dock__btn--primary:hover { color: #fff; }
.dock__btn--primary::after {
  content: "";
  position: absolute; inset: 0;
  border-radius: 14px;
  border: 2px solid rgba(31, 94, 255, .5);
  animation: pulse 2.6s ease-out infinite;
}
@keyframes pulse {
  0% { transform: scale(1); opacity: .8; }
  70% { transform: scale(1.3); opacity: 0; }
  100% { opacity: 0; }
}
.dock__btn .tip {
  position: absolute;
  right: 60px; top: 50%;
  transform: translateY(-50%) translateX(6px);
  white-space: nowrap;
  background: #0A1B33;
  color: #fff;
  font-size: 12px;
  padding: 5px 10px;
  border-radius: 6px;
  opacity: 0;
  pointer-events: none;
  transition: .22s var(--ease);
}
.dock__btn:hover .tip { opacity: 1; transform: translateY(-50%); }
.dock__top { opacity: 0; visibility: hidden; }
.dock__top.is-show { opacity: 1; visibility: visible; }

/* ---------- 弹层 ---------- */
.modal {
  position: fixed; inset: 0;
  z-index: 120;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(4, 14, 28, .6);
  backdrop-filter: blur(6px);
  opacity: 0;
  visibility: hidden;
  transition: opacity .3s var(--ease), visibility .3s var(--ease);
}
.modal.is-open { opacity: 1; visibility: visible; }
.modal__box {
  position: relative;
  background: #fff;
  border-radius: 18px;
  padding: 26px;
  text-align: center;
  max-width: 330px;
  width: 100%;
  box-shadow: 0 30px 80px rgba(3, 11, 24, .4);
  transform: translateY(12px) scale(.98);
  transition: transform .32s var(--ease);
}
.modal.is-open .modal__box { transform: none; }
.modal__box h3 { font-size: 17px; color: var(--ink); margin-bottom: 5px; }
.modal__box p { font-size: 12.5px; color: var(--muted); margin-bottom: 16px; }
.qr {
  width: 184px; height: 184px;
  margin: 0 auto 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 8px;
  position: relative;
  overflow: hidden;
}
.qr img { width: 100%; height: 100%; object-fit: contain; }
.qr__ph {
  position: absolute; inset: 8px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: repeating-conic-gradient(#F0F3F9 0% 25%, #fff 0% 50%) 50% / 16px 16px;
  font-size: 11.5px;
  color: #9AA8BE;
  line-height: 1.6;
  padding: 10px;
  text-align: center;
}
.modal__id { font-size: 12.5px; color: var(--muted); }
.modal__id b { color: var(--ink); font-weight: 600; user-select: all; }
.modal__close {
  position: absolute; top: 10px; right: 10px;
  width: 30px; height: 30px;
  border: 0; border-radius: 50%;
  background: #F3F6FB;
  color: #6A7891;
  display: grid; place-items: center;
  cursor: pointer;
}
.modal__close:hover { background: #E8EEF8; color: var(--ink); }

/* ---------- 进场动画 ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .65s var(--ease), transform .65s var(--ease);
  transition-delay: var(--d, 0ms);
}
[data-reveal].is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  * { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .hero__grid { grid-template-columns: 1fr; gap: 32px; }
  .hero__sub { max-width: none; }
  .form-card { max-width: 480px; }
  .svc-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .contact-band { grid-template-columns: 1fr; }
  .nav__tel { display: none; }
  .nav__menu {
    position: fixed;
    inset: 70px 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px 24px 18px;
    margin: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 18px 36px rgba(8, 21, 42, .1);
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    transition: .26s var(--ease);
  }
  body.nav-open .nav__menu { transform: none; opacity: 1; visibility: visible; }
  .nav__menu a { padding: 13px 10px; font-size: 15.5px; border-bottom: 1px solid #EEF2F9; border-radius: 0; }
  .nav__toggle { display: grid; }
  .nav__right .btn { display: none; }
}

@media (max-width: 720px) {
  .container { padding-inline: 18px; }
  .hero { padding-top: 32px; }
  .hero__btns .btn { flex: 1 1 100%; }
  .hero__stats div { padding-right: 16px; margin-right: 16px; }
  .hero__stats b { font-size: 20px; }
  .svc-grid, .steps, .why { grid-template-columns: 1fr; }
  .svc, .step { padding: 20px; }
  .form-card { padding: 22px 18px 18px; }
  .contact-band { padding: 26px 20px; border-radius: 20px; }
  .footer-top { flex-direction: column; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .dock { right: 12px; bottom: 64px; gap: 6px; }
  .dock__btn { width: 46px; height: 46px; border-radius: 12px; }
  .dock__btn svg { width: 19px; height: 19px; }
  .dock__btn .tip { display: none; }
}