/* ============================================================
   青岛码动未来信息有限公司 — 官网主样式表
   深色首屏 + 亮色内容区 · 品牌色取自 Logo
   ============================================================ */

/* ---------- 1. 设计变量 ---------- */
:root {
  --navy:       #102A63;   /* Logo 深海蓝 */
  --navy-2:     #1B3E8F;   /* 提亮版，用于渐变 */
  --cyan:       #00C8F8;   /* Logo 亮青 */
  --cyan-soft:  #E3F8FE;
  --cyan-deep:  #0093BE;

  --ink:        #0C1526;
  --ink-2:      #2B3550;
  --muted:      #5D6B85;
  --muted-2:    #9AA5BC;
  --line:       #E6EAF4;
  --line-2:     #D3DAEA;
  --bg:         #FFFFFF;
  --bg-soft:    #F5F8FC;

  --dark:       #060B18;   /* 首屏深夜蓝黑 */
  --dark-2:     #0B1226;
  --dark-3:     #101A33;
  --dark-line:  rgba(255, 255, 255, .09);

  --radius:     18px;
  --radius-sm:  12px;
  --radius-lg:  26px;

  --shadow-sm:  0 1px 2px rgba(12, 21, 38, .06);
  --shadow:     0 14px 36px -18px rgba(12, 21, 38, .22);
  --shadow-lg:  0 40px 90px -42px rgba(6, 11, 24, .45);

  --ease:       cubic-bezier(.22, .61, .36, 1);
  --maxw:       1200px;
  --nav-h:      76px;

  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
          "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC",
          "Noto Sans SC", Helvetica, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
          "Liberation Mono", monospace;
}

/* ---------- 2. 重置 ---------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 24px);
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink-2);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5 {
  margin: 0;
  color: var(--ink);
  font-weight: 700;
  line-height: 1.26;
  letter-spacing: -.022em;
}

p { margin: 0; }
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button { font: inherit; color: inherit; border: 0; background: none; cursor: pointer; }
input, textarea, select { font: inherit; color: inherit; }

::selection { background: var(--cyan); color: var(--dark); }

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- 3. 布局 ---------- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 28px;
}

.section { padding: 118px 0; position: relative; }
.section--tight { padding: 88px 0; }
.section--soft { background: var(--bg-soft); }
.section--line { border-top: 1px solid var(--line); }

.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); }

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}

/* ---------- 4. 文字 ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--navy-2);
  margin-bottom: 20px;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 1.5px;
  background: currentColor;
  opacity: .55;
}
.eyebrow--light { color: var(--cyan); }

.h-display {
  font-size: clamp(38px, 5.4vw, 64px);
  line-height: 1.14;
  letter-spacing: -.038em;
}
.h1 { font-size: clamp(30px, 3.8vw, 46px); letter-spacing: -.032em; }
.h2 { font-size: clamp(26px, 3vw, 38px); letter-spacing: -.03em; }
.h3 { font-size: 19px; letter-spacing: -.015em; }
.h4 { font-size: 16.5px; letter-spacing: -.01em; }

.lead {
  font-size: clamp(15.5px, 1.3vw, 17.5px);
  line-height: 1.9;
  color: var(--muted);
}
.lead--light { color: rgba(255, 255, 255, .6); }
.accent { color: var(--navy-2); }

.section-head { max-width: 700px; margin-bottom: 60px; }
.section-head.is-center { margin-inline: auto; text-align: center; }
.section-head.is-center .eyebrow { justify-content: center; }
.section-head .lead { margin-top: 18px; }

.sec-no {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--muted-2);
}

/* ---------- 5. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  height: 52px;
  padding: 0 28px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  white-space: nowrap;
  transition: transform .32s var(--ease), box-shadow .32s var(--ease),
              background .32s var(--ease), color .32s var(--ease),
              border-color .32s var(--ease);
}
.btn svg { width: 16px; height: 16px; transition: transform .32s var(--ease); }
.btn:hover svg { transform: translateX(3px); }

/* 深色区主按钮：亮青底 + 深字 */
.btn-cyan {
  background: var(--cyan);
  color: var(--dark);
  box-shadow: 0 14px 32px -14px rgba(0, 200, 248, .65);
}
.btn-cyan:hover {
  transform: translateY(-2px);
  background: #33D4FA;
  box-shadow: 0 22px 44px -16px rgba(0, 200, 248, .75);
}

/* 亮色区主按钮：品牌蓝底 */
.btn-navy {
  background: var(--navy);
  color: #fff;
  box-shadow: 0 14px 30px -14px rgba(16, 42, 99, .7);
}
.btn-navy:hover {
  transform: translateY(-2px);
  background: var(--navy-2);
  box-shadow: 0 22px 42px -16px rgba(16, 42, 99, .8);
}

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

.btn-ghost-light {
  border: 1px solid rgba(255, 255, 255, .26);
  color: #fff;
  background: rgba(255, 255, 255, .05);
}
.btn-ghost-light:hover {
  background: rgba(255, 255, 255, .11);
  border-color: rgba(255, 255, 255, .5);
}

.btn-sm { height: 44px; padding: 0 22px; font-size: 14px; }
.btn-row { display: flex; flex-wrap: wrap; gap: 14px; }

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--navy-2);
}
.text-link svg { width: 15px; height: 15px; transition: transform .3s var(--ease); }
.text-link:hover svg { transform: translateX(4px); }

/* ---------- 6. Logo ---------- */
.brand { display: flex; align-items: center; gap: 12px; }
.brand-chip {
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
  border-radius: 11px;
  background: #fff;
  display: grid;
  place-items: center;
  box-shadow: 0 6px 16px -8px rgba(0, 200, 248, .5);
}
.brand-chip img { width: 30px; height: 30px; object-fit: contain; }
.brand-name { line-height: 1.15; }
.brand-name strong {
  display: block;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: .02em;
  color: #fff;
}
.brand-name span {
  display: block;
  font-size: 9.5px;
  font-weight: 500;
  letter-spacing: .18em;
  color: rgba(255, 255, 255, .52);
  margin-top: 3px;
}

/* 亮色区 Logo */
.brand--dark .brand-chip { background: var(--navy); }
.brand--dark .brand-chip img { filter: brightness(0) invert(1); }
.brand--dark .brand-name strong { color: var(--ink); }
.brand--dark .brand-name span { color: var(--muted-2); }

/* ---------- 7. 导航 ---------- */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 90;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  border-bottom: 1px solid transparent;
  transition: background .35s var(--ease), height .35s var(--ease),
              border-color .35s var(--ease), box-shadow .35s var(--ease);
}
.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.nav-links { display: flex; align-items: center; gap: 2px; }
.nav-links a {
  position: relative;
  padding: 10px 16px;
  font-size: 14.5px;
  font-weight: 500;
  color: rgba(255, 255, 255, .74);
  border-radius: 9px;
  transition: color .25s var(--ease), background .25s var(--ease);
}
.nav-links a:hover { color: #fff; background: rgba(255, 255, 255, .07); }
.nav-links a.is-active { color: #fff; }
.nav-links a.is-active::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 2px;
  width: 16px;
  height: 2px;
  border-radius: 2px;
  background: var(--cyan);
  transform: translateX(-50%);
}

.nav-actions { display: flex; align-items: center; gap: 16px; }
.nav-tel {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: rgba(255, 255, 255, .82);
  font-variant-numeric: tabular-nums;
}
.nav-tel svg { width: 15px; height: 15px; opacity: .75; }

.nav.is-solid {
  height: 66px;
  background: rgba(255, 255, 255, .9);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom-color: var(--line);
  box-shadow: 0 8px 28px -20px rgba(12, 21, 38, .4);
}
.nav.is-solid .brand-name strong { color: var(--ink); }
.nav.is-solid .brand-name span { color: var(--muted-2); }
.nav.is-solid .brand-chip { background: var(--navy); }
.nav.is-solid .brand-chip img { filter: brightness(0) invert(1); }
.nav.is-solid .nav-links a { color: var(--muted); }
.nav.is-solid .nav-links a:hover { color: var(--ink); background: var(--bg-soft); }
.nav.is-solid .nav-links a.is-active { color: var(--navy-2); }
.nav.is-solid .nav-links a.is-active::after { background: var(--navy-2); }
.nav.is-solid .nav-tel { color: var(--ink-2); }
.nav.is-solid .nav-cta {
  background: var(--navy);
  color: #fff;
  box-shadow: 0 10px 22px -12px rgba(16, 42, 99, .7);
}

.nav-cta {
  height: 42px;
  padding: 0 20px;
  border-radius: 999px;
  background: var(--cyan);
  color: var(--dark);
  font-size: 14px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  transition: transform .3s var(--ease), background .3s var(--ease), box-shadow .3s var(--ease);
}
.nav-cta:hover { transform: translateY(-1px); }

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, .25);
  color: #fff;
  place-items: center;
}
.nav.is-solid .nav-toggle { border-color: var(--line-2); color: var(--ink); }
.nav-toggle svg { width: 20px; height: 20px; }

/* 移动端抽屉 */
.drawer {
  position: fixed;
  inset: 0;
  z-index: 120;
  background: var(--dark);
  padding: 22px 26px 44px;
  display: flex;
  flex-direction: column;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: opacity .3s var(--ease), transform .3s var(--ease), visibility .3s;
}
.drawer.is-open { opacity: 1; visibility: visible; transform: none; }
.drawer-top { display: flex; align-items: center; justify-content: space-between; }
.drawer-close {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, .22);
  color: #fff;
  display: grid;
  place-items: center;
}
.drawer nav { margin-top: 40px; display: flex; flex-direction: column; }
.drawer nav a {
  padding: 16px 0;
  font-size: 20px;
  font-weight: 600;
  color: #fff;
  border-bottom: 1px solid var(--dark-line);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.drawer nav a svg { width: 16px; height: 16px; opacity: .35; }
.drawer-foot { margin-top: auto; display: flex; flex-direction: column; gap: 14px; }
.drawer-foot .nav-tel { color: rgba(255, 255, 255, .8); font-size: 16px; }

/* ---------- 8. 深色首屏 ---------- */
.hero {
  position: relative;
  background: var(--dark);
  color: #fff;
  overflow: hidden;
}
.hero::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: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 80% at 50% 0%, #000 30%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 90% 80% at 50% 0%, #000 30%, transparent 78%);
}
.hero::after {
  content: "";
  position: absolute;
  width: 720px;
  height: 720px;
  right: -220px;
  top: -280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 200, 248, .16) 0%, rgba(27, 62, 143, .12) 45%, transparent 70%);
}
.hero .container { position: relative; z-index: 2; }

.hero-inner {
  min-height: calc(100vh - var(--nav-h));
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: calc(var(--nav-h) + 56px) 0 0;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 64px;
  align-items: center;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid rgba(0, 200, 248, .35);
  background: rgba(0, 200, 248, .08);
  color: var(--cyan);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .05em;
  margin-bottom: 26px;
}
.hero-tag .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0, 200, 248, .45); }
  50%      { box-shadow: 0 0 0 7px rgba(0, 200, 248, 0); }
}

.hero h1 {
  color: #fff;
  font-size: clamp(38px, 5.6vw, 66px);
  line-height: 1.14;
  letter-spacing: -.04em;
  margin: 0 0 24px;
}
.hero h1 .hl {
  color: transparent;
  background: linear-gradient(100deg, #00C8F8 10%, #4DE3FF 55%, #6F8EFF 95%);
  -webkit-background-clip: text;
  background-clip: text;
}
.hero-lead {
  font-size: clamp(16px, 1.4vw, 18px);
  line-height: 1.9;
  color: rgba(255, 255, 255, .62);
  max-width: 520px;
  margin-bottom: 38px;
}
.hero-lead strong { color: rgba(255, 255, 255, .92); font-weight: 600; }

.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }

/* 首屏右侧视觉：终端卡片 */
.hero-visual { position: relative; }
.terminal {
  background: var(--dark-2);
  border: 1px solid var(--dark-line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.terminal-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 13px 18px;
  border-bottom: 1px solid var(--dark-line);
}
.terminal-bar i {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .14);
}
.terminal-bar i:nth-child(1) { background: rgba(0, 200, 248, .55); }
.terminal-bar span {
  margin-left: 10px;
  font-family: var(--mono);
  font-size: 12px;
  color: rgba(255, 255, 255, .38);
}
.terminal-body {
  padding: 22px 24px;
  font-family: var(--mono);
  font-size: 13.5px;
  line-height: 2.1;
}
.terminal-body .row { display: flex; gap: 12px; white-space: nowrap; }
.terminal-body .no { color: rgba(255, 255, 255, .22); width: 20px; text-align: right; }
.terminal-body .kw { color: #6F8EFF; }
.terminal-body .fn { color: #00C8F8; }
.terminal-body .str { color: #4ADE9C; }
.terminal-body .dim { color: rgba(255, 255, 255, .38); }

.float-card {
  position: absolute;
  background: rgba(16, 26, 51, .92);
  border: 1px solid rgba(255, 255, 255, .12);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: 14px;
  padding: 13px 16px;
  box-shadow: var(--shadow-lg);
  animation: float 5s ease-in-out infinite;
}
.float-card .fc-label {
  font-size: 11px;
  letter-spacing: .08em;
  color: rgba(255, 255, 255, .45);
  margin-bottom: 4px;
}
.float-card .fc-value {
  font-size: 19px;
  font-weight: 700;
  color: #fff;
  font-variant-numeric: tabular-nums;
}
.float-card .fc-value em { font-style: normal; color: var(--cyan); }
.float-1 { right: -18px; top: 64px; }
.float-2 { right: -18px; bottom: -22px; animation-delay: -2.5s; }
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-9px); }
}

/* 首屏数据条 */
.hero-stats {
  margin-top: 72px;
  border-top: 1px solid var(--dark-line);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.hero-stats .stat {
  padding: 26px 8px 30px;
  border-right: 1px solid var(--dark-line);
}
.hero-stats .stat:last-child { border-right: 0; }
.hero-stats .num {
  font-size: clamp(26px, 2.6vw, 36px);
  font-weight: 700;
  letter-spacing: -.03em;
  color: #fff;
  font-variant-numeric: tabular-nums;
}
.hero-stats .num em { font-style: normal; color: var(--cyan); }
.hero-stats .lab {
  font-size: 13.5px;
  color: rgba(255, 255, 255, .48);
  margin-top: 6px;
}

/* ---------- 10. 服务卡 ---------- */
.svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.svc-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px 30px 30px;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease),
              border-color .35s var(--ease);
  overflow: hidden;
}
.svc-card::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan), var(--navy-2));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .45s var(--ease);
}
.svc-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.svc-card:hover::after { transform: scaleX(1); }

.svc-card h3 { margin-bottom: 10px; }
.svc-card p { font-size: 14.5px; line-height: 1.8; color: var(--muted); }
.svc-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 18px; }
.svc-tags i {
  font-style: normal;
  font-size: 12px;
  font-weight: 500;
  color: var(--navy-2);
  background: var(--bg-soft);
  border: 1px solid var(--line);
  padding: 3px 10px;
  border-radius: 999px;
}

/* ---------- 11. 行业方案 ---------- */
.ind-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: #fff;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}
.ind-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.ind-cover {
  height: 150px;
  position: relative;
  display: flex;
  align-items: flex-end;
  padding: 22px 26px;
}
.ind-cover::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .09) 1px, transparent 1px);
  background-size: 34px 34px;
}
.ind-cover.a { background: linear-gradient(125deg, #102A63, #1B3E8F 70%); }
.ind-cover.b { background: linear-gradient(125deg, #0093BE, #00C8F8 75%); }
.ind-cover.c { background: linear-gradient(125deg, #0C1526, #23407E 80%); }
.ind-cover h3 { position: relative; color: #fff; font-size: 21px; }
.ind-body { padding: 24px 26px 28px; }
.ind-body p { font-size: 14.5px; color: var(--muted); line-height: 1.8; margin-bottom: 16px; }
.ind-pains { display: flex; flex-wrap: wrap; gap: 8px; }
.ind-pains i {
  font-style: normal;
  font-size: 12.5px;
  color: var(--ink-2);
  background: var(--bg-soft);
  border: 1px solid var(--line);
  padding: 4px 12px;
  border-radius: 999px;
}

/* ---------- 12. 案例卡 ---------- */
.case-card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  overflow: hidden;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease);
  display: flex;
  flex-direction: column;
}
.case-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.case-cover {
  height: 210px;
  position: relative;
  overflow: hidden;
}
.case-cover .mock {
  position: absolute;
  inset: 18% 10% -30% 10%;
  background: #fff;
  border-radius: 14px 14px 0 0;
  box-shadow: var(--shadow-lg);
  padding: 16px 18px;
}
.case-cover .mock-bar {
  display: flex;
  gap: 5px;
  margin-bottom: 14px;
}
.case-cover .mock-bar i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--line-2);
}
.case-cover .mock-row { display: flex; gap: 10px; margin-bottom: 12px; }
.case-cover .mock-row b {
  flex: 1;
  height: 44px;
  border-radius: 9px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
}
.case-cover .mock-line { height: 9px; border-radius: 5px; background: var(--bg-soft); margin-bottom: 9px; }
.case-cover .mock-line.short { width: 55%; }
.case-cover .mock-line.accent { background: rgba(0, 200, 248, .5); width: 38%; }
.case-cover .theme-a { background: linear-gradient(125deg, #102A63, #1B3E8F); }
.case-cover .theme-b { background: linear-gradient(125deg, #0093BE, #00C8F8); }
.case-cover .theme-c { background: linear-gradient(125deg, #0C1526, #23407E); }
.case-body { padding: 24px 28px 28px; display: flex; flex-direction: column; flex: 1; }
.case-cat {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--cyan-deep);
  margin-bottom: 10px;
}
.case-body h3 { margin-bottom: 10px; }
.case-body > p { font-size: 14.5px; color: var(--muted); line-height: 1.8; flex: 1; }
.case-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px dashed var(--line-2);
}
.case-metrics .m b {
  display: block;
  font-size: 19px;
  font-weight: 700;
  color: var(--navy-2);
  letter-spacing: -.02em;
  font-variant-numeric: tabular-nums;
}
.case-metrics .m span { font-size: 12px; color: var(--muted-2); }

/* ---------- 13. 流程 ---------- */
.flow {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0;
  position: relative;
}
.flow-step { position: relative; padding: 0 14px 0 0; }
.flow-step + .flow-step { padding-left: 14px; }
.flow-step::before {
  content: "";
  position: absolute;
  top: 24px;
  left: 14px;
  right: 0;
  height: 1.5px;
  background: var(--line-2);
}
.flow-step:last-child::before { display: none; }
.flow-dot {
  position: relative;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: #fff;
  border: 1px solid var(--line-2);
  display: grid;
  place-items: center;
  margin-bottom: 20px;
  transition: all .3s var(--ease);
}
.flow-dot b {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--navy-2);
}
.flow-step:hover .flow-dot {
  background: var(--navy);
  border-color: var(--navy);
  transform: translateY(-3px);
}
.flow-step:hover .flow-dot b { color: var(--cyan); }
.flow-step h4 { font-size: 16px; margin-bottom: 8px; }
.flow-step p { font-size: 13.5px; color: var(--muted); line-height: 1.7; }

/* ---------- 14. 技术栈 ---------- */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 14px;
}
.tech-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px 10px 14px;
  text-align: center;
  transition: transform .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.tech-item:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 200, 248, .5);
  box-shadow: var(--shadow);
}
.tech-item b {
  display: block;
  font-size: 15px;
  color: var(--ink);
  letter-spacing: 0;
}
.tech-item span { font-size: 11.5px; color: var(--muted-2); }

/* ---------- 15. 客户评价 ---------- */
.quote-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 30px;
  position: relative;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}
.quote-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.quote-card::before {
  content: "“";
  position: absolute;
  top: 18px;
  right: 26px;
  font-size: 84px;
  line-height: 1;
  font-weight: 700;
  color: var(--cyan-soft);
  font-family: Georgia, serif;
}
.quote-card p { font-size: 15px; line-height: 1.95; color: var(--ink-2); position: relative; }
.quote-who { display: flex; align-items: center; gap: 12px; margin-top: 24px; }
.quote-who .ava {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--navy), var(--navy-2));
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 15px;
}
.quote-who .nm { font-size: 14.5px; font-weight: 600; color: var(--ink); }
.quote-who .tt { font-size: 12.5px; color: var(--muted-2); }

/* ---------- 16. 深色 CTA ---------- */
.cta-dark {
  background: var(--dark);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.cta-dark::before {
  content: "";
  position: absolute;
  width: 640px;
  height: 640px;
  left: 50%;
  top: -320px;
  transform: translateX(-50%);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 200, 248, .14) 0%, rgba(27, 62, 143, .1) 50%, transparent 72%);
}
.cta-dark .container { position: relative; text-align: center; }
.cta-dark h2 { color: #fff; }
.cta-dark .lead { margin: 18px auto 36px; max-width: 560px; }

/* ---------- 17. 页脚 ---------- */
.footer {
  background: var(--dark-2);
  color: rgba(255, 255, 255, .62);
  padding: 76px 0 0;
  font-size: 14px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 56px;
}
.footer h5 {
  color: #fff;
  font-size: 14.5px;
  letter-spacing: .04em;
  margin-bottom: 20px;
}
.footer-col li { margin-bottom: 12px; }
.footer-col a { transition: color .25s var(--ease); }
.footer-col a:hover { color: var(--cyan); }
.footer-brand p { margin-top: 18px; line-height: 1.9; max-width: 320px; }
.footer-contact li {
  display: flex;
  gap: 10px;
  margin-bottom: 14px;
  line-height: 1.7;
}
.footer-contact svg { width: 16px; height: 16px; flex: 0 0 16px; margin-top: 5px; opacity: .5; }
.footer-bottom {
  border-top: 1px solid var(--dark-line);
  padding: 22px 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px 24px;
  flex-wrap: wrap;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, .38);
}

/* ---------- 18. 内页头 ---------- */
.page-hero {
  background: var(--dark);
  color: #fff;
  position: relative;
  overflow: hidden;
  padding: calc(var(--nav-h) + 88px) 0 92px;
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 90% at 50% 0%, #000 25%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 90% at 50% 0%, #000 25%, transparent 75%);
}
.page-hero::after {
  content: "";
  position: absolute;
  width: 560px;
  height: 560px;
  right: -180px;
  top: -220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 200, 248, .13) 0%, transparent 68%);
}
.page-hero .container { position: relative; z-index: 2; }
.crumb {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13.5px;
  color: rgba(255, 255, 255, .45);
  margin-bottom: 24px;
}
.crumb a:hover { color: var(--cyan); }
.crumb .sep { opacity: .5; }
.page-hero h1 { color: #fff; margin-bottom: 18px; }
.page-hero .lead--light { max-width: 640px; }

/* ---------- 19. 表单 ---------- */
.form-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 44px 42px;
  box-shadow: var(--shadow);
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-field { display: flex; flex-direction: column; gap: 8px; }
.form-field.is-full { grid-column: 1 / -1; }
.form-field label {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink);
}
.form-field label em { color: #E2485B; font-style: normal; margin-left: 2px; }
.form-field input,
.form-field select,
.form-field textarea {
  height: 50px;
  border: 1px solid var(--line-2);
  border-radius: 12px;
  padding: 0 16px;
  background: var(--bg-soft);
  transition: border-color .25s var(--ease), background .25s var(--ease), box-shadow .25s var(--ease);
}
.form-field textarea { height: 130px; padding: 14px 16px; resize: vertical; }
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--cyan);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(0, 200, 248, .14);
}
.form-note { font-size: 12.5px; color: var(--muted-2); margin-top: 16px; }

/* ---------- 19b. 公司位置地图 ---------- */
.split--contact { grid-template-columns: 1.15fr .85fr; align-items: flex-start; }
.map-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.map-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  padding: 32px 34px 24px;
}
.map-head h2 { margin-bottom: 9px; }
.map-head p { font-size: 13.5px; color: var(--muted); line-height: 1.75; }
.map-head p span { display: block; margin-top: 3px; font-size: 12.5px; color: var(--muted-2); }
.map-head .btn { flex: 0 0 auto; margin-top: 4px; }

.map-stage {
  position: relative;
  height: 438px;
  border-top: 1px solid var(--line);
  background: var(--bg-soft);
}
#bmap { position: absolute; inset: 0; }

/* 静态真实底图（截图自百度地图 120.290252,36.279523，17 级） */
.map-static {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

/* 坐标点定位标（正中心即坐标点） */
.map-pin {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 12px 26px -14px rgba(10, 30, 70, .55), 0 0 0 1px rgba(0, 200, 248, .25);
}
.map-pin svg { width: 24px; height: 24px; color: #0093BE; }
.map-pin i {
  position: absolute;
  inset: -9px;
  border-radius: 50%;
  border: 1px solid rgba(0, 200, 248, .65);
  animation: mapPulse 2.6s ease-out infinite;
}
@keyframes mapPulse {
  0%   { transform: scale(.82); opacity: .9; }
  70%  { transform: scale(1.24); opacity: 0; }
  100% { transform: scale(1.24); opacity: 0; }
}
.map-marker-label {
  position: absolute;
  left: 50%;
  top: calc(50% + 36px);
  transform: translateX(-50%);
  white-space: nowrap;
  background: #102A63;
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  line-height: 1;
  padding: 7px 12px;
  border-radius: 8px;
  box-shadow: 0 8px 20px -6px rgba(10, 30, 70, .45);
}
.map-marker-label::before {
  content: "";
  position: absolute;
  left: 50%;
  top: -4px;
  width: 8px;
  height: 8px;
  background: inherit;
  transform: translateX(-50%) rotate(45deg);
  border-radius: 1px;
}
.map-credit {
  position: absolute;
  right: 10px;
  bottom: 8px;
  font-size: 11px;
  color: rgba(60, 74, 100, .55);
  background: rgba(255, 255, 255, .72);
  padding: 3px 8px;
  border-radius: 6px;
  pointer-events: none;
}

/* 配置 AK 后：官方交互地图覆盖静态图 */
#bmap { position: absolute; inset: 0; z-index: 1; }
.map-stage.is-live .map-static,
.map-stage.is-live .map-pin,
.map-stage.is-live .map-marker-label,
.map-stage.is-live .map-credit { opacity: 0; pointer-events: none; }


/* 信息卡 */
.info-card {
  background: var(--dark-2);
  border-radius: var(--radius);
  padding: 30px 28px;
  color: rgba(255, 255, 255, .75);
  margin-bottom: 20px;
}
.info-card h4 { color: #fff; margin-bottom: 16px; font-size: 16px; }
.info-card .row {
  display: flex;
  gap: 12px;
  margin-bottom: 14px;
  align-items: flex-start;
  font-size: 14.5px;
  line-height: 1.75;
}
.info-card .row svg { width: 17px; height: 17px; flex: 0 0 17px; margin-top: 5px; color: var(--cyan); }
.info-card .row a:hover { color: var(--cyan); }


/* 真实截图封面（PPT 提取） */
.case-cover .shots {
  position: absolute;
  inset: 26px 0 -2px 0;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 18px;
}
.case-cover .shots img {
  width: 34%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  border-radius: 12px 12px 0 0;
  border: 3px solid rgba(255, 255, 255, .18);
  border-bottom: 0;
  box-shadow: 0 24px 48px -18px rgba(0, 0, 0, .55);
  background: #fff;
}
.case-cover .shots img:last-child { transform: translateY(16px); }
@media (prefers-reduced-motion: reduce) { .case-cover .shots img { transform: none; } }

/* ---------- 20. 关于页 ---------- */
.value-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 28px;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}
.value-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.value-card .vc-no {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--cyan-deep);
  margin-bottom: 14px;
}
.value-card h3 { font-size: 18px; margin-bottom: 10px; }
.value-card p { font-size: 14.5px; color: var(--muted); line-height: 1.85; }

.timeline { position: relative; padding-left: 34px; }
.timeline::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 8px;
  bottom: 8px;
  width: 1.5px;
  background: linear-gradient(180deg, var(--cyan), var(--line-2));
}
.timeline li { position: relative; padding-bottom: 34px; }
.timeline li:last-child { padding-bottom: 0; }
.timeline li::before {
  content: "";
  position: absolute;
  left: -30px;
  top: 8px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--cyan);
}
.timeline .t-year {
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--navy-2);
  margin-bottom: 6px;
}
.timeline h4 { font-size: 16.5px; margin-bottom: 6px; }
.timeline p { font-size: 14px; color: var(--muted); }

/* ---------- 21. 通用小件 ---------- */
.tag-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--navy-2);
  background: var(--cyan-soft);
  padding: 5px 14px;
  border-radius: 999px;
}
.check-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 9px 0;
  font-size: 15px;
  color: var(--ink-2);
}
.check-list svg {
  width: 19px;
  height: 19px;
  flex: 0 0 19px;
  margin-top: 4px;
  color: var(--cyan-deep);
}
.check-list b { color: var(--ink); font-weight: 600; }

.banner-strip {
  background: linear-gradient(90deg, var(--navy), var(--navy-2));
  border-radius: var(--radius-lg);
  padding: 54px 56px;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  position: relative;
  overflow: hidden;
}
.banner-strip::after {
  content: "";
  position: absolute;
  width: 340px;
  height: 340px;
  right: -80px;
  top: -170px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 200, 248, .3) 0%, transparent 70%);
}
.banner-strip h3 { color: #fff; font-size: clamp(22px, 2.4vw, 30px); position: relative; }
.banner-strip p { color: rgba(255, 255, 255, .66); margin-top: 10px; position: relative; }
.banner-strip .btn { position: relative; }

/* ---------- 22. 滚动渐入 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.reveal.in { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: .08s; }
.reveal[data-delay="2"] { transition-delay: .16s; }
.reveal[data-delay="3"] { transition-delay: .24s; }
.reveal[data-delay="4"] { transition-delay: .32s; }
.reveal[data-delay="5"] { transition-delay: .4s; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .float-card { animation: none; }
  html { scroll-behavior: auto; }
}


/* ---------- 小程序码展示 ---------- */
.qr-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 22px;
}
.qr-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 16px;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
}
.qr-card img { width: 100%; border-radius: 8px; display: block; }
.qr-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
  border-color: var(--cyan);
}
@media (max-width: 1024px) { .qr-grid { grid-template-columns: repeat(4, 1fr); gap: 18px; } }
@media (max-width: 860px)  { .qr-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 560px)  { .qr-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; } }

/* ---------- 右侧悬浮联系挂件 ---------- */
.fcontact {
  position: fixed;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  z-index: 95;
  display: flex;
  align-items: center;
}

.fcontact-tab {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 9px;
  padding: 17px 11px;
  border-radius: 16px 0 0 16px;
  background: linear-gradient(155deg, var(--navy-2), var(--navy));
  color: #fff;
  box-shadow: 0 14px 34px -16px rgba(6, 11, 24, .65);
  transition: transform .35s var(--ease), box-shadow .35s var(--ease),
              background .35s var(--ease);
}
.fcontact-tab svg { width: 19px; height: 19px; color: var(--cyan); }
.fcontact-tab span {
  writing-mode: vertical-rl;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .18em;
  line-height: 1;
}
.fcontact-tab:hover {
  transform: translateX(-3px);
  box-shadow: 0 18px 40px -16px rgba(6, 11, 24, .75);
}
.fcontact.is-open .fcontact-tab { background: linear-gradient(155deg, #0A1836, var(--dark)); }

/* 展开面板 */
.fcontact-panel {
  position: fixed;
  right: 74px;
  top: 50%;
  width: 282px;
  padding: 22px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  transform: translateY(-50%) translateX(14px) scale(.97);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .32s var(--ease), transform .32s var(--ease), visibility .32s;
}
.fcontact.is-open .fcontact-panel {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(-50%) translateX(0) scale(1);
}

.fcontact-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
}
.fcontact-head strong {
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -.01em;
}
.fcontact-close {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  color: var(--muted-2);
  transition: background .25s var(--ease), color .25s var(--ease);
}
.fcontact-close:hover { background: var(--bg-soft); color: var(--ink); }
.fcontact-close svg { width: 15px; height: 15px; }

.fcontact-tel {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  transition: border-color .3s var(--ease), background .3s var(--ease), transform .3s var(--ease);
}
.fcontact-tel:hover { border-color: var(--cyan); background: #FAFDFF; transform: translateY(-1px); }
.fcontact-tel .ic {
  width: 38px;
  height: 38px;
  flex: 0 0 38px;
  border-radius: 11px;
  background: var(--cyan-soft);
  display: grid;
  place-items: center;
  color: var(--cyan-deep);
}
.fcontact-tel .ic svg { width: 18px; height: 18px; }
.fcontact-tel .tx b {
  display: block;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: .01em;
  font-variant-numeric: tabular-nums;
}
.fcontact-tel .tx i {
  display: block;
  font-style: normal;
  font-size: 12px;
  color: var(--muted-2);
  margin-top: 2px;
}

.fcontact-qr {
  display: flex;
  align-items: center;
  gap: 13px;
  margin-top: 10px;
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
}
.fcontact-qr img {
  width: 82px;
  height: 82px;
  flex: 0 0 82px;
  object-fit: cover;
  border-radius: 10px;
  background: #fff;
  border: 1px solid var(--line);
  padding: 3px;
}
.fcontact-qr .tx b {
  display: block;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--ink);
}
.fcontact-qr .tx i {
  display: block;
  font-style: normal;
  font-size: 12px;
  color: var(--muted-2);
  margin-top: 3px;
  line-height: 1.5;
}

@media (max-width: 900px) {
  .fcontact { top: auto; bottom: 96px; transform: none; }
  .fcontact-tab { padding: 14px 9px; border-radius: 14px 0 0 14px; }
  .fcontact-tab span { font-size: 12px; letter-spacing: .14em; }
  .fcontact-panel {
    right: 12px;
    left: 12px;
    top: auto;
    bottom: 96px;
    width: auto;
    transform: translateY(12px) scale(.98);
  }
  .fcontact.is-open .fcontact-panel { transform: translateY(0) scale(1); }
}

/* ---------- 23. 响应式 ---------- */
@media (max-width: 1024px) {
  .section { padding: 96px 0; }
  .hero-grid { grid-template-columns: 1fr; gap: 52px; }
  .hero-visual { max-width: 560px; }
  .float-1 { right: 6px; }
  .float-2 { right: 6px; bottom: -18px; }
  .svc-grid { grid-template-columns: repeat(2, 1fr); }
  .tech-grid { grid-template-columns: repeat(4, 1fr); }
  .flow { grid-template-columns: repeat(3, 1fr); row-gap: 40px; }
  .flow-step:nth-child(4)::before { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  :root { --nav-h: 66px; }
  .container { padding: 0 20px; }
  .section { padding: 80px 0; }
  .section--tight { padding: 64px 0; }

  .nav-links, .nav-actions .nav-tel, .nav-actions .nav-cta { display: none; }
  .nav-toggle { display: grid; }

  .hero-inner { min-height: auto; padding-top: calc(var(--nav-h) + 72px); }
  .hero h1 { font-size: clamp(32px, 8.4vw, 44px); }
  .hero-stats { grid-template-columns: repeat(2, 1fr); margin-top: 52px; }
  .hero-stats .stat:nth-child(2) { border-right: 0; }
  .hero-stats .stat:nth-child(-n+2) { border-bottom: 1px solid var(--dark-line); }
  .float-card { padding: 10px 13px; }
  .float-1 { top: 30px; }
  .float-2 { bottom: 20px; }

  .split { grid-template-columns: 1fr; gap: 44px; }
  .svc-grid { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .tech-grid { grid-template-columns: repeat(3, 1fr); }
  .flow { grid-template-columns: 1fr; row-gap: 34px; }
  .flow-step, .flow-step + .flow-step { padding: 0; }
  .flow-step::before {
    left: 23px;
    right: auto;
    top: 52px;
    bottom: -28px;
    width: 1.5px;
    height: auto;
  }
  .flow-step:last-child::before { display: none; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .banner-strip { flex-direction: column; align-items: flex-start; padding: 40px 32px; }
  .form-card { padding: 32px 24px; }
  .form-grid { grid-template-columns: 1fr; }
  .map-head { padding: 24px 22px 20px; flex-direction: column; gap: 16px; }
  .map-head .btn { margin-top: 0; }
  .map-stage { height: 320px; }
}

@media (max-width: 480px) {
  .grid-4 { grid-template-columns: 1fr; }
  .case-metrics { grid-template-columns: repeat(3, 1fr); }
  .btn { height: 48px; padding: 0 22px; font-size: 14px; }
  .map-stage { height: 280px; }
  .map-marker-label { top: calc(50% + 30px); font-size: 11.5px; }
}

/* ---------- 24. 四步流程 / 案例交付要点 ---------- */
.flow--4 { grid-template-columns: repeat(4, 1fr); }

.case-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px dashed var(--line-2);
}
.case-facts i {
  font-style: normal;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--navy-2);
  background: var(--bg-soft);
  border: 1px solid var(--line);
  padding: 4px 12px;
  border-radius: 999px;
}

.sec-note {
  font-size: 13px;
  color: var(--muted-2);
  line-height: 1.8;
}

@media (max-width: 1024px) {
  .flow--4 { grid-template-columns: repeat(2, 1fr); row-gap: 40px; }
  .flow--4 .flow-step:nth-child(2)::before { display: none; }
}

@media (max-width: 768px) {
  .flow--4 { grid-template-columns: 1fr; }
  .flow--4 .flow-step:nth-child(2)::before { display: block; }
}

/* ---------- 20. FAQ 折叠（小程序落地页） ---------- */
.faq { max-width: 900px; margin: 0 auto; }
.faq details {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0 24px;
  margin-bottom: 12px;
  transition: border-color .28s var(--ease), box-shadow .28s var(--ease);
}
.faq details[open] {
  border-color: rgba(0, 200, 248, .45);
  box-shadow: 0 22px 46px -34px rgba(10, 30, 70, .5);
}
.faq summary {
  list-style: none;
  cursor: pointer;
  padding: 21px 0;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--ink);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  line-height: 1.55;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "";
  flex: none;
  width: 9px;
  height: 9px;
  margin-right: 3px;
  border-right: 2px solid var(--muted-2);
  border-bottom: 2px solid var(--muted-2);
  transform: rotate(45deg);
  transition: transform .28s var(--ease);
}
.faq details[open] summary::after { transform: rotate(-135deg); }
.faq summary:hover { color: #0B6E8C; }
.faq p {
  font-size: 14.5px;
  color: var(--muted);
  line-height: 1.95;
  padding: 0 0 22px;
  max-width: 96%;
}
@media (max-width: 560px) {
  .faq details { padding: 0 18px; }
  .faq summary { font-size: 14.5px; padding: 18px 0; }
  .faq p { font-size: 14px; max-width: 100%; }
}

/* ---------- 21. 服务卡内页链接 ---------- */
.svc-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-size: 13.5px;
  font-weight: 700;
  color: #0B6E8C;
  transition: gap .25s var(--ease), color .25s var(--ease);
}
.svc-link svg { width: 14px; height: 14px; transition: transform .25s var(--ease); }
.svc-link:hover { gap: 9px; color: var(--navy-2); }
.svc-link:hover svg { transform: translateX(1px); }