/* ==========================================================================
   深圳市惠奕桢科技有限公司 - 官网全局样式
   ========================================================================== */

:root {
  --ink: #0a1622;
  --ink-2: #14293f;
  --brand: #1668ff;
  --brand-dark: #0a4fd6;
  --brand-soft: #eaf1ff;
  --accent: #00c6a2;
  --text: #2a3646;
  --text-2: #5d6b7d;
  --text-3: #8b97a6;
  --line: #e4e9f0;
  --bg: #ffffff;
  --bg-soft: #f5f8fc;
  --white: #fff;

  --radius-s: 8px;
  --radius: 14px;
  --radius-l: 22px;

  --shadow-s: 0 2px 8px rgba(16, 35, 58, .05);
  --shadow: 0 12px 30px rgba(16, 35, 58, .08);
  --shadow-l: 0 24px 60px rgba(13, 32, 56, .14);

  --container: 1200px;
  --header-h: 74px;

  --font: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

* { box-sizing: border-box; }

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

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

img { max-width: 100%; display: block; }

a {
  color: inherit;
  text-decoration: none;
  transition: color .25s var(--ease);
}

h1, h2, h3, h4, h5 {
  margin: 0;
  color: var(--ink);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -.01em;
}

p { margin: 0; }

ul, ol { margin: 0; padding: 0; list-style: none; }

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

button { cursor: pointer; border: 0; background: none; }

/* ---------- 布局工具 ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 96px 0; }
.section--soft { background: var(--bg-soft); }
.section--tight { padding: 72px 0; }

.section-head {
  max-width: 720px;
  margin-bottom: 52px;
}
.section-head--center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--brand);
  margin-bottom: 14px;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--brand);
  border-radius: 2px;
}

.section-title {
  font-size: clamp(26px, 3.2vw, 40px);
  line-height: 1.28;
}

.section-desc {
  margin-top: 16px;
  color: var(--text-2);
  font-size: 16.5px;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  height: 50px;
  padding: 0 26px;
  border-radius: 999px;
  font-size: 15.5px;
  font-weight: 600;
  white-space: nowrap;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease),
              background-color .25s var(--ease), color .25s var(--ease),
              border-color .25s var(--ease);
}
.btn svg { width: 16px; height: 16px; }

.btn--primary {
  background: var(--brand);
  color: #fff;
  box-shadow: 0 10px 22px rgba(22, 104, 255, .26);
}
.btn--primary:hover {
  background: var(--brand-dark);
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(22, 104, 255, .34);
}

.btn--ghost {
  border: 1px solid rgba(255, 255, 255, .38);
  color: #fff;
  background: rgba(255, 255, 255, .06);
  backdrop-filter: blur(6px);
}
.btn--ghost:hover {
  background: rgba(255, 255, 255, .16);
  border-color: rgba(255, 255, 255, .7);
  transform: translateY(-2px);
}

.btn--line {
  border: 1px solid var(--line);
  color: var(--ink);
  background: #fff;
}
.btn--line:hover {
  border-color: var(--brand);
  color: var(--brand);
  transform: translateY(-2px);
  box-shadow: var(--shadow-s);
}

.btn--sm { height: 42px; padding: 0 20px; font-size: 14.5px; }

.link-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 15px;
  color: var(--brand);
}
.link-more svg { width: 15px; height: 15px; transition: transform .25s var(--ease); }
.link-more:hover svg { transform: translateX(4px); }

/* ==========================================================================
   顶部信息条 + 头部导航
   ========================================================================== */
.topbar {
  background: var(--ink);
  color: rgba(255, 255, 255, .72);
  font-size: 13px;
}
.topbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 40px;
}
.topbar-info {
  display: flex;
  align-items: center;
  gap: 26px;
  flex-wrap: wrap;
}
.topbar-info span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
.topbar-info svg { width: 13px; height: 13px; opacity: .7; flex: none; }
.topbar-info em {
  font-style: normal;
  color: rgba(255, 255, 255, .42);
}
.topbar-right {
  display: flex;
  align-items: center;
  gap: 14px;
}
.topbar-right a:hover { color: #fff; }
.topbar-divider {
  width: 1px;
  height: 12px;
  background: rgba(255, 255, 255, .2);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .3s var(--ease);
}
.site-header.is-scrolled { box-shadow: 0 4px 20px rgba(13, 32, 56, .07); }
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  height: var(--header-h);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  flex: none;
}
.brand-mark {
  width: 38px;
  height: 38px;
  flex: none;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name {
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: .02em;
}
.brand-sub {
  font-size: 10.5px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--text-3);
  transform: scale(.96);
  transform-origin: left center;
}

.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  position: relative;
  padding: 10px 15px;
  font-size: 15.5px;
  font-weight: 500;
  color: var(--text);
  border-radius: 8px;
}
.nav a::after {
  content: "";
  position: absolute;
  left: 15px;
  right: 15px;
  bottom: 4px;
  height: 2px;
  border-radius: 2px;
  background: var(--brand);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .28s var(--ease);
}
.nav a:hover { color: var(--brand); }
.nav a:hover::after,
.nav a.is-active::after { transform: scaleX(1); }
.nav a.is-active { color: var(--brand); font-weight: 600; }

.header-actions { display: flex; align-items: center; gap: 12px; flex: none; }

.burger {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 10px;
  align-items: center;
  justify-content: center;
}
.burger span {
  position: relative;
  display: block;
  width: 18px;
  height: 1.8px;
  background: var(--ink);
  border-radius: 2px;
  transition: background .2s;
}
.burger span::before,
.burger span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 1.8px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform .28s var(--ease);
}
.burger span::before { top: -6px; }
.burger span::after { top: 6px; }

body.nav-open .burger span { background: transparent; }
body.nav-open .burger span::before { transform: translateY(6px) rotate(45deg); }
body.nav-open .burger span::after { transform: translateY(-6px) rotate(-45deg); }

.mobile-nav {
  display: none;
  border-top: 1px solid var(--line);
  background: #fff;
}
.mobile-nav a {
  display: block;
  padding: 15px 24px;
  font-size: 16px;
  border-bottom: 1px solid var(--line);
}
.mobile-nav a.is-active { color: var(--brand); font-weight: 600; }

/* ==========================================================================
   首页 Hero
   ========================================================================== */
.hero {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: #fff;
  isolation: isolate;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .38;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(900px 500px at 15% 20%, rgba(22, 104, 255, .5), transparent 65%),
    linear-gradient(100deg, rgba(6, 18, 31, .96) 0%, rgba(7, 22, 38, .88) 45%, rgba(7, 22, 38, .45) 100%);
}
.hero .container {
  position: relative;
  padding-top: 108px;
  padding-bottom: 104px;
}
.hero-inner { max-width: 760px; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  height: 34px;
  padding: 0 16px;
  border: 1px solid rgba(255, 255, 255, .22);
  border-radius: 999px;
  background: rgba(255, 255, 255, .07);
  font-size: 13px;
  color: rgba(255, 255, 255, .88);
  letter-spacing: .02em;
  margin-bottom: 26px;
}
.hero-badge i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(0, 198, 162, .18);
}

.hero-title {
  font-size: clamp(32px, 4.6vw, 58px);
  line-height: 1.18;
  color: #fff;
  letter-spacing: -.02em;
}
.hero-title .hl {
  background: linear-gradient(92deg, #6ea8ff, #7ff0d4);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-lead {
  margin-top: 22px;
  max-width: 590px;
  font-size: 17.5px;
  line-height: 1.85;
  color: rgba(255, 255, 255, .74);
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 38px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 72px;
  padding-top: 34px;
  border-top: 1px solid rgba(255, 255, 255, .14);
}
.hero-stat b {
  display: block;
  font-size: clamp(26px, 2.6vw, 34px);
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
  letter-spacing: -.01em;
}
.hero-stat b .unit {
  font-size: 15px;
  font-weight: 500;
  color: var(--accent);
  margin-left: 3px;
}
.hero-stat p {
  margin-top: 6px;
  font-size: 13.5px;
  color: rgba(255, 255, 255, .6);
}

/* ==========================================================================
   通用卡片 / 网格
   ========================================================================== */
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  position: relative;
  padding: 34px 30px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease),
              border-color .3s var(--ease);
}
.card:hover {
  transform: translateY(-5px);
  border-color: transparent;
  box-shadow: var(--shadow-l);
}

.icon-box {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--brand-soft);
  color: var(--brand);
  margin-bottom: 22px;
}
.icon-box svg { width: 26px; height: 26px; }

.card h3 {
  font-size: 19px;
  margin-bottom: 10px;
}
.card p {
  color: var(--text-2);
  font-size: 15px;
  line-height: 1.8;
}

/* 能力卡片（首页） */
.capability { overflow: hidden; }
.capability::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--brand), var(--accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .4s var(--ease);
}
.capability:hover::before { transform: scaleX(1); }
.capability .num {
  position: absolute;
  right: 26px;
  top: 22px;
  font-size: 42px;
  font-weight: 800;
  line-height: 1;
  color: var(--bg-soft);
  letter-spacing: -.04em;
  transition: color .3s var(--ease);
}
.capability:hover .num { color: var(--brand-soft); }

/* ==========================================================================
   产品展示
   ========================================================================== */
.product-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-l); }
.product-media {
  position: relative;
  aspect-ratio: 16 / 11;
  overflow: hidden;
  background: var(--bg-soft);
}
.product-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .7s var(--ease);
}
.product-card:hover .product-media img { transform: scale(1.06); }
.product-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 26px 28px 30px;
}
.product-tag {
  align-self: flex-start;
  padding: 4px 11px;
  border-radius: 999px;
  background: var(--brand-soft);
  color: var(--brand);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .04em;
  margin-bottom: 14px;
}
.product-body h3 { font-size: 19px; margin-bottom: 10px; }
.product-body p {
  color: var(--text-2);
  font-size: 14.5px;
  line-height: 1.8;
  margin-bottom: 22px;
}
.product-body .link-more { margin-top: auto; }

/* ==========================================================================
   优势 / 数据条
   ========================================================================== */
.advantage-list { display: grid; gap: 0; }
.advantage-item {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 24px;
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
}
.advantage-item:first-child { padding-top: 0; }
.advantage-item:last-child { border-bottom: 0; padding-bottom: 0; }
.advantage-item .idx {
  font-size: 15px;
  font-weight: 700;
  color: var(--brand);
  letter-spacing: .06em;
  padding-top: 4px;
}
.advantage-item h3 { font-size: 20px; margin-bottom: 8px; }
.advantage-item p { color: var(--text-2); font-size: 15.5px; max-width: 620px; }

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}
.split-visual {
  position: relative;
  border-radius: var(--radius-l);
  overflow: hidden;
  box-shadow: var(--shadow-l);
  aspect-ratio: 4 / 3.3;
}
.split-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.split-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(6, 18, 31, .35));
}
.visual-badge {
  position: absolute;
  left: 24px;
  bottom: 24px;
  z-index: 2;
  padding: 16px 22px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .94);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
}
.visual-badge b {
  display: block;
  font-size: 26px;
  color: var(--ink);
  line-height: 1.2;
}
.visual-badge span { font-size: 13px; color: var(--text-2); }

/* ==========================================================================
   CTA 区块
   ========================================================================== */
.cta {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  border-radius: var(--radius-l);
  padding: 66px 64px;
  color: #fff;
  isolation: isolate;
}
.cta::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  background:
    radial-gradient(700px 380px at 88% 12%, rgba(0, 198, 162, .28), transparent 60%),
    radial-gradient(760px 420px at 8% 88%, rgba(22, 104, 255, .42), transparent 62%);
}
.cta::after {
  content: "";
  position: absolute;
  z-index: -1;
  right: -80px;
  bottom: -120px;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, .1);
  box-shadow: 0 0 0 60px rgba(255, 255, 255, .028), 0 0 0 120px rgba(255, 255, 255, .022);
}
.cta h2 {
  color: #fff;
  font-size: clamp(24px, 3vw, 34px);
  max-width: 620px;
}
.cta p {
  margin-top: 14px;
  color: rgba(255, 255, 255, .68);
  font-size: 16px;
  max-width: 560px;
}
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

/* ==========================================================================
   页脚
   ========================================================================== */
.site-footer {
  background: #071320;
  color: rgba(255, 255, 255, .58);
  font-size: 14px;
  margin-top: 96px;
}
.footer-main {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding: 68px 0 52px;
}
.footer-brand .brand-name { color: #fff; }
.footer-brand .brand-sub { color: rgba(255, 255, 255, .35); }
.footer-brand p {
  margin-top: 18px;
  line-height: 1.9;
  max-width: 320px;
  color: rgba(255, 255, 255, .5);
}
.footer-col h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 20px;
  letter-spacing: .02em;
}
.footer-col li + li { margin-top: 12px; }
.footer-col a:hover { color: #fff; }
.footer-contact li {
  display: flex;
  gap: 11px;
  line-height: 1.7;
}
.footer-contact svg {
  width: 15px;
  height: 15px;
  flex: none;
  margin-top: 5px;
  opacity: .55;
}
.footer-contact b { color: rgba(255, 255, 255, .82); font-weight: 500; }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  padding: 24px 0 30px;
  border-top: 1px solid rgba(255, 255, 255, .09);
  font-size: 13px;
  color: rgba(255, 255, 255, .38);
}
.footer-bottom a:hover { color: #fff; }
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; }

/* ==========================================================================
   子页面：内页头部
   ========================================================================== */
.page-head {
  position: relative;
  padding: 76px 0 68px;
  background: var(--ink);
  color: #fff;
  overflow: hidden;
  isolation: isolate;
}
.page-head::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  background:
    radial-gradient(760px 460px at 78% 0%, rgba(22, 104, 255, .45), transparent 62%),
    radial-gradient(520px 320px at 6% 100%, rgba(0, 198, 162, .2), transparent 65%);
}
.page-head::after {
  content: "";
  position: absolute;
  z-index: -1;
  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: 56px 56px;
  mask-image: radial-gradient(600px 300px at 80% 40%, #000, transparent 78%);
}
.page-head h1 {
  color: #fff;
  font-size: clamp(28px, 3.6vw, 44px);
  letter-spacing: -.02em;
}
.page-head p {
  margin-top: 16px;
  max-width: 620px;
  color: rgba(255, 255, 255, .66);
  font-size: 16.5px;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13.5px;
  color: rgba(255, 255, 255, .5);
  margin-bottom: 22px;
}
.breadcrumb a:hover { color: #fff; }
.breadcrumb i { opacity: .45; font-style: normal; }
.breadcrumb .cur { color: var(--accent); }

/* ==========================================================================
   关于我们
   ========================================================================== */
.intro-text p + p { margin-top: 18px; }
.intro-text {
  color: var(--text-2);
  font-size: 16.5px;
  line-height: 1.95;
}
.intro-text strong { color: var(--ink); font-weight: 600; }

.value-card {
  padding: 32px 28px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color .3s, transform .3s var(--ease), box-shadow .3s;
}
.value-card:hover {
  transform: translateY(-4px);
  border-color: var(--brand);
  box-shadow: var(--shadow);
}
.value-card h3 { font-size: 18px; margin-bottom: 9px; }
.value-card p { font-size: 14.5px; color: var(--text-2); }
.value-card .icon-box { width: 46px; height: 46px; border-radius: 12px; margin-bottom: 18px; }
.value-card .icon-box svg { width: 23px; height: 23px; }

.timeline {
  position: relative;
  padding-left: 32px;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--brand), rgba(22, 104, 255, .1));
}
.timeline-item {
  position: relative;
  padding-bottom: 38px;
}
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: "";
  position: absolute;
  left: -32px;
  top: 7px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #fff;
  border: 2.5px solid var(--brand);
  box-shadow: 0 0 0 4px rgba(22, 104, 255, .1);
}
.timeline-year {
  font-size: 15px;
  font-weight: 700;
  color: var(--brand);
  letter-spacing: .02em;
  margin-bottom: 6px;
}
.timeline-item h3 { font-size: 17.5px; margin-bottom: 6px; }
.timeline-item p { font-size: 14.5px; color: var(--text-2); }

.stat-band {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
}
.stat-cell {
  padding: 34px 26px;
  background: #fff;
  text-align: center;
}
.stat-cell b {
  display: block;
  font-size: clamp(26px, 2.8vw, 36px);
  color: var(--brand);
  line-height: 1.2;
  letter-spacing: -.02em;
}
.stat-cell span { font-size: 13.5px; color: var(--text-2); }

/* ==========================================================================
   产品与服务
   ========================================================================== */
.svc-list { display: grid; gap: 24px; }
.svc-item {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 44px;
  align-items: center;
  padding: 34px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  transition: box-shadow .3s, border-color .3s;
}
.svc-item:hover { box-shadow: var(--shadow); border-color: transparent; }
.svc-item:nth-child(even) .svc-media { order: 2; }
.svc-media {
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 16 / 10;
}
.svc-media img { width: 100%; height: 100%; object-fit: cover; }
.svc-body h3 { font-size: 22px; margin-bottom: 12px; }
.svc-body > p { color: var(--text-2); font-size: 15.5px; }
.svc-points {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px 26px;
  margin-top: 20px;
}
.svc-points li {
  display: flex;
  gap: 9px;
  font-size: 14.5px;
  color: var(--text-2);
}
.svc-points svg {
  width: 17px;
  height: 17px;
  flex: none;
  margin-top: 4px;
  color: var(--accent);
}

.process {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
  counter-reset: step;
}
.process-step {
  position: relative;
  padding: 30px 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform .3s var(--ease), box-shadow .3s;
}
.process-step:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.process-step::before {
  counter-increment: step;
  content: "0" counter(step);
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--brand);
  letter-spacing: .08em;
  margin-bottom: 14px;
}
.process-step h3 { font-size: 16.5px; margin-bottom: 7px; }
.process-step p { font-size: 13.5px; color: var(--text-2); line-height: 1.7; }

/* ==========================================================================
   联系我们
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 56px;
  align-items: start;
}
.contact-cards { display: grid; gap: 16px; }
.contact-card {
  display: flex;
  gap: 18px;
  padding: 26px 28px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color .3s, box-shadow .3s, transform .3s var(--ease);
}
.contact-card:hover {
  transform: translateY(-3px);
  border-color: var(--brand);
  box-shadow: var(--shadow);
}
.contact-card .icon-box {
  flex: none;
  width: 46px;
  height: 46px;
  border-radius: 12px;
  margin-bottom: 0;
}
.contact-card .icon-box svg { width: 22px; height: 22px; }
.contact-card h3 {
  font-size: 13px;
  color: var(--text-3);
  font-weight: 500;
  letter-spacing: .06em;
  margin-bottom: 5px;
}
.contact-card .val {
  font-size: 16.5px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.6;
  word-break: break-all;
}
.contact-card .hint { font-size: 12.5px; color: var(--text-3); margin-top: 3px; }
.placeholder {
  display: inline-block;
  padding: 0 8px;
  border-radius: 5px;
  background: #fff7e6;
  border: 1px dashed #f0c26a;
  color: #a97b18;
  font-weight: 500;
  font-size: inherit;
  line-height: 1.7;
}

.form-card {
  padding: 40px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  box-shadow: var(--shadow);
}
.form-card h2 { font-size: 23px; margin-bottom: 8px; }
.form-card > p { color: var(--text-2); font-size: 14.5px; margin-bottom: 28px; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.field { margin-bottom: 18px; }
.field label {
  display: block;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}
.field label .req { color: #e0483a; margin-left: 3px; }
.field input,
.field textarea,
.field select {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fbfcfe;
  font-size: 15px;
  line-height: 1.6;
  outline: none;
  transition: border-color .25s, box-shadow .25s, background .25s;
}
.field textarea { resize: vertical; min-height: 118px; }
.field input:focus,
.field textarea:focus,
.field select:focus {
  border-color: var(--brand);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(22, 104, 255, .1);
}
.field.has-error input,
.field.has-error textarea,
.field.has-error select { border-color: #e0483a; background: #fffafa; }
.field .err {
  display: none;
  margin-top: 6px;
  font-size: 12.5px;
  color: #e0483a;
}
.field.has-error .err { display: block; }

.form-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  margin-top: 8px;
}
.form-tip { font-size: 12.5px; color: var(--text-3); max-width: 300px; }
.form-ok {
  display: none;
  margin-top: 18px;
  padding: 13px 16px;
  border-radius: 10px;
  background: #eafaf4;
  border: 1px solid #b7ebd6;
  color: #0b7a5b;
  font-size: 14px;
}
.form-ok.is-show { display: block; }

.map-placeholder {
  position: relative;
  margin-top: 16px;
  min-height: 240px;
  border-radius: var(--radius-l);
  overflow: hidden;
  background:
    linear-gradient(rgba(22, 104, 255, .04) 1px, transparent 1px) 0 0 / 34px 34px,
    linear-gradient(90deg, rgba(22, 104, 255, .04) 1px, transparent 1px) 0 0 / 34px 34px,
    var(--bg-soft);
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
  text-align: center;
  padding: 30px;
}
.map-placeholder .pin {
  width: 46px;
  height: 46px;
  border-radius: 50% 50% 50% 4px;
  transform: rotate(-45deg);
  background: var(--brand);
  display: grid;
  place-items: center;
  margin: 0 auto 20px;
  box-shadow: 0 10px 22px rgba(22, 104, 255, .3);
}
.map-placeholder .pin svg { transform: rotate(45deg); width: 20px; height: 20px; color: #fff; }
.map-placeholder b { display: block; color: var(--ink); font-size: 15.5px; margin-bottom: 6px; }
.map-placeholder span { font-size: 13.5px; color: var(--text-3); }

/* ==========================================================================
   滚动进入动画
   ========================================================================== */
[data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
[data-reveal].is-in {
  opacity: 1;
  transform: none;
}
[data-reveal][data-delay="1"] { transition-delay: .08s; }
[data-reveal][data-delay="2"] { transition-delay: .16s; }
[data-reveal][data-delay="3"] { transition-delay: .24s; }
[data-reveal][data-delay="4"] { transition-delay: .32s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width: 1080px) {
  .nav { display: none; }
  .burger { display: flex; }
  .header-actions .btn { display: none; }
  .footer-main { grid-template-columns: 1.4fr 1fr 1.2fr; gap: 40px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-brand p { max-width: 560px; }
  .svc-item { grid-template-columns: 300px 1fr; gap: 32px; }
  .process { grid-template-columns: repeat(3, 1fr); }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 860px) {
  .section { padding: 70px 0; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .hero .container { padding-top: 72px; padding-bottom: 72px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 26px 18px; margin-top: 48px; }
  .split { grid-template-columns: 1fr; gap: 34px; }
  .split-visual { order: -1; aspect-ratio: 16 / 10; }
  .svc-item { grid-template-columns: 1fr; }
  .svc-item:nth-child(even) .svc-media { order: 0; }
  .stat-band { grid-template-columns: repeat(2, 1fr); }
  .cta { padding: 46px 36px; }
  .topbar-info span:nth-child(2) { display: none; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .form-card { padding: 28px 22px; }
}

@media (max-width: 640px) {
  :root { --header-h: 64px; }
  body { font-size: 15.5px; }
  .container { padding: 0 18px; }
  .section { padding: 56px 0; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .hero-title { font-size: 30px; }
  .hero-lead { font-size: 15.5px; }
  .hero-actions .btn { width: 100%; }
  .brand-name { font-size: 15.5px; }
  .brand-sub { display: none; }
  .brand-mark { width: 32px; height: 32px; }
  .page-head { padding: 52px 0 46px; }
  .cta { padding: 36px 24px; }
  .cta-actions .btn { width: 100%; }
  .footer-main { grid-template-columns: 1fr 1fr; padding: 48px 0 36px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-contact { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .process { grid-template-columns: 1fr; }
  .svc-points { grid-template-columns: 1fr; }
  .section-head { margin-bottom: 34px; }
  .topbar .container { height: auto; padding-top: 8px; padding-bottom: 8px; flex-wrap: wrap; gap: 6px; }
  .topbar-info { gap: 16px; font-size: 12px; }
  .topbar-right { font-size: 12px; }
  .card { padding: 26px 22px; }
  .form-foot { flex-direction: column; align-items: stretch; }
  .form-foot .btn { width: 100%; }
  .form-tip { max-width: none; }
}