/* ===========================================
   贵州首云科技有限公司 - 全站统一样式
   风格：简约大气 · 现代科技
   =========================================== */

/* ---------- 设计变量 ---------- */
:root {
  /* 主色 */
  --color-primary: #0a2540;
  --color-primary-light: #1e4d8b;
  --color-accent: #2563eb;
  --color-accent-hover: #1d4ed8;

  /* 中性色 */
  --color-bg: #ffffff;
  --color-bg-alt: #f8fafc;
  --color-bg-soft: #f1f5f9;
  --color-border: #e2e8f0;
  --color-text: #1e293b;
  --color-text-soft: #475569;
  --color-text-mute: #64748b;

  /* 强调/状态 */
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-danger: #ef4444;

  /* 排版 */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial,
    sans-serif;
  --font-mono: "SFMono-Regular", "JetBrains Mono", Menlo, Monaco, Consolas,
    "Courier New", monospace;

  /* 尺寸 */
  --container-max: 1200px;
  --container-padding: 24px;
  --header-height: 72px;

  /* 圆角 / 阴影 */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 12px 32px rgba(15, 23, 42, 0.10);
  --shadow-xl: 0 24px 60px rgba(15, 23, 42, 0.14);

  /* 过渡 */
  --transition-fast: 0.15s ease;
  --transition-base: 0.25s ease;
  --transition-slow: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ---------- 重置 ---------- */
* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-accent-hover);
}

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

h1, h2, h3, h4, h5, h6 {
  margin: 0 0 0.5em;
  color: var(--color-primary);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2rem, 5vw, 3.25rem); }
h2 { font-size: clamp(1.625rem, 3.5vw, 2.25rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }
h4 { font-size: 1.125rem; }

p {
  margin: 0 0 1em;
  color: var(--color-text-soft);
}

/* ---------- 容器 ---------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
  font-family: inherit;
  text-decoration: none;
}

.btn-primary {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.25);
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.35);
  color: #fff;
}

.btn-ghost {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-border);
}

.btn-ghost:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: rgba(37, 99, 235, 0.04);
}

.btn-lg {
  padding: 15px 36px;
  font-size: 16px;
}

.btn-arrow::after {
  content: "→";
  font-size: 1.1em;
  transition: transform var(--transition-fast);
}

.btn-arrow:hover::after {
  transform: translateX(4px);
}

/* ---------- 公共Section ---------- */
.section {
  padding: 96px 0;
}

.section-alt {
  background: var(--color-bg-alt);
}

.section-primary {
  background: var(--color-primary);
  color: #fff;
}

.section-primary h1,
.section-primary h2,
.section-primary h3,
.section-primary p {
  color: inherit;
}

.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}

.section-head .eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.section-head .lead {
  font-size: 17px;
  color: var(--color-text-mute);
  margin-top: 8px;
}

/* ---------- 导航 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition-base);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 18px;
  color: var(--color-primary);
  letter-spacing: 0.02em;
}

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-primary) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 16px;
  box-shadow: var(--shadow-md);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-list a {
  display: inline-block;
  padding: 8px 16px;
  color: var(--color-text);
  font-weight: 500;
  font-size: 15px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.nav-list a:hover {
  color: var(--color-accent);
  background: rgba(37, 99, 235, 0.06);
}

.nav-list a.active {
  color: var(--color-accent);
  background: rgba(37, 99, 235, 0.08);
}

.nav-cta {
  margin-left: 8px;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 0;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  position: relative;
  transition: transform var(--transition-base);
}

.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
}

.nav-toggle span::before { top: -7px; }
.nav-toggle span::after { top: 7px; }

.nav-toggle.is-open span { background: transparent; }
.nav-toggle.is-open span::before {
  top: 0;
  transform: rotate(45deg);
}
.nav-toggle.is-open span::after {
  top: 0;
  transform: rotate(-45deg);
}

@media (max-width: 880px) {
  .nav-toggle { display: inline-flex; }
  .nav-list {
    position: fixed;
    inset: var(--header-height) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    background: #fff;
    border-top: 1px solid var(--color-border);
    padding: 16px 24px 24px;
    gap: 4px;
    transform: translateY(-110%);
    transition: transform var(--transition-base);
    box-shadow: var(--shadow-md);
  }
  .nav-list.is-open {
    transform: translateY(0);
  }
  .nav-list a {
    padding: 14px 16px;
    font-size: 16px;
  }
  .nav-cta {
    margin: 8px 0 0;
    text-align: center;
  }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 96px 0 80px;
  background:
    radial-gradient(1200px 600px at 90% -10%, rgba(37, 99, 235, 0.15) 0%, transparent 60%),
    radial-gradient(900px 500px at -10% 110%, rgba(10, 37, 64, 0.08) 0%, transparent 60%),
    linear-gradient(180deg, #fff 0%, var(--color-bg-alt) 100%);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero h1 {
  margin: 0 0 24px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.hero .gradient-text {
  background: linear-gradient(120deg, var(--color-accent) 0%, var(--color-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero .lead {
  font-size: 18px;
  color: var(--color-text-soft);
  margin-bottom: 36px;
  max-width: 540px;
}

.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-meta {
  margin-top: 48px;
  display: flex;
  gap: 32px;
  color: var(--color-text-mute);
  font-size: 14px;
  flex-wrap: wrap;
}

.hero-meta b {
  color: var(--color-primary);
  font-size: 18px;
  display: block;
  font-weight: 700;
}

/* Hero 可视化卡片 */
.hero-visual {
  position: relative;
  height: 460px;
}

.hv-card {
  position: absolute;
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 20px;
  border: 1px solid var(--color-border);
}

.hv-card-1 {
  top: 0;
  left: 4%;
  width: 60%;
  animation: float1 6s ease-in-out infinite;
}

.hv-card-2 {
  bottom: 20px;
  right: 0;
  width: 70%;
  animation: float2 7s ease-in-out infinite;
}

@keyframes float1 {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

@keyframes float2 {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(10px); }
}

.hv-bar {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  height: 90px;
  margin-top: 14px;
}

.hv-bar i {
  flex: 1;
  display: block;
  background: linear-gradient(180deg, var(--color-accent), rgba(37, 99, 235, 0.4));
  border-radius: 4px 4px 0 0;
}

.hv-card h4 { margin: 0 0 4px; font-size: 14px; color: var(--color-text-mute); font-weight: 500; }
.hv-card .num { font-size: 26px; font-weight: 800; color: var(--color-primary); }

.hv-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 12px;
}

.hv-tag {
  padding: 4px 10px;
  background: var(--color-bg-soft);
  border-radius: 999px;
  font-size: 12px;
  color: var(--color-text-soft);
}

@media (max-width: 880px) {
  .hero { padding: 64px 0 56px; }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .hero-visual { height: 380px; }
}

/* ---------- 卡片 ---------- */
.card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition-base);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.card:hover {
  border-color: rgba(37, 99, 235, 0.25);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.1) 0%, rgba(10, 37, 64, 0.06) 100%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--color-accent);
  font-size: 24px;
  font-weight: 700;
}

.card h3 {
  margin: 0 0 12px;
  font-size: 19px;
}

.card p {
  margin: 0;
  font-size: 15px;
  color: var(--color-text-mute);
}

.card .card-link {
  margin-top: 16px;
  color: var(--color-accent);
  font-weight: 600;
  font-size: 14px;
}

/* ---------- 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); }

@media (max-width: 880px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 560px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* ---------- 数据统计 ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.stat-item {
  padding: 32px 16px;
}

.stat-num {
  font-size: clamp(2.25rem, 4vw, 3rem);
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.02em;
  background: linear-gradient(120deg, #60a5fa, #fff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
  margin-top: 8px;
}

@media (max-width: 880px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- 案例展示 ---------- */
.case-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.case-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.case-thumb {
  height: 200px;
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-primary) 100%);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}

.case-thumb.alt-2 { background: linear-gradient(135deg, #6366f1, #2563eb); }
.case-thumb.alt-3 { background: linear-gradient(135deg, #0ea5e9, #0a2540); }
.case-thumb.alt-4 { background: linear-gradient(135deg, #10b981, #0a2540); }

.case-thumb .badge {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 4px 12px;
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(8px);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
}

.case-thumb .lg-num {
  font-size: 64px;
  font-weight: 800;
  letter-spacing: -0.04em;
  opacity: 0.95;
}

.case-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.case-body h3 {
  font-size: 17px;
  margin-bottom: 10px;
}

.case-body p {
  font-size: 14px;
  color: var(--color-text-mute);
  margin: 0 0 16px;
  flex: 1;
}

.case-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.case-tags span {
  padding: 3px 10px;
  background: var(--color-bg-soft);
  border-radius: var(--radius-sm);
  font-size: 12px;
  color: var(--color-text-soft);
}

/* ---------- 客户logo ---------- */
.logos {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
  align-items: center;
}

.logo-item {
  height: 60px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-mute);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.05em;
  transition: all var(--transition-base);
}

.logo-item:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

@media (max-width: 880px) {
  .logos { grid-template-columns: repeat(3, 1fr); }
}

/* ---------- 页脚 ---------- */
.site-footer {
  background: var(--color-primary);
  color: rgba(255, 255, 255, 0.75);
  padding: 64px 0 24px;
  margin-top: 80px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}

.footer-grid h4 {
  color: #fff;
  font-size: 15px;
  margin-bottom: 18px;
  font-weight: 600;
}

.footer-grid ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-grid li {
  margin-bottom: 10px;
  font-size: 14px;
}

.footer-grid a {
  color: rgba(255, 255, 255, 0.75);
  font-size: 14px;
}

.footer-grid a:hover { color: #fff; }

.footer-about p {
  color: rgba(255, 255, 255, 0.65);
  font-size: 14px;
  line-height: 1.7;
  margin-top: 14px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.65);
}

.footer-beian {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 16px;
  margin-top: 16px;
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-beian a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: rgba(255, 255, 255, 0.6);
  font-size: 13px;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-beian a:hover {
  color: #fff;
}

.footer-beian svg {
  flex: none;
  opacity: 0.85;
}

@media (max-width: 880px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 520px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* ---------- 表格 ---------- */
.kv-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.kv-table th, .kv-table td {
  padding: 14px 16px;
  text-align: left;
  font-size: 14px;
  border-bottom: 1px solid var(--color-border);
}

.kv-table th {
  background: var(--color-bg-soft);
  color: var(--color-text-mute);
  font-weight: 600;
  width: 30%;
}

/* ---------- 表单 ---------- */
.form {
  display: grid;
  gap: 16px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field label {
  font-size: 14px;
  color: var(--color-text);
  font-weight: 500;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 15px;
  font-family: inherit;
  background: #fff;
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.field textarea {
  min-height: 140px;
  resize: vertical;
}

@media (max-width: 560px) {
  .form-grid { grid-template-columns: 1fr; }
}

/* ---------- 时间线 ---------- */
.timeline {
  position: relative;
  padding-left: 32px;
  margin: 32px 0;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 0;
  left: 10px;
  bottom: 0;
  width: 2px;
  background: var(--color-border);
}

.timeline-item {
  position: relative;
  padding-bottom: 36px;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -28px;
  top: 4px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 3px solid #fff;
  box-shadow: 0 0 0 2px var(--color-accent);
}

.timeline-year {
  display: inline-block;
  padding: 4px 10px;
  background: rgba(37, 99, 235, 0.1);
  color: var(--color-accent);
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 8px;
}

.timeline-item h4 {
  margin: 6px 0 8px;
  color: var(--color-primary);
}

.timeline-item p {
  margin: 0;
  color: var(--color-text-mute);
  font-size: 14px;
}

/* ---------- About / contact 页面布局 ---------- */
.page-hero {
  padding: 80px 0 56px;
  text-align: center;
  background:
    radial-gradient(800px 400px at 50% 0%, rgba(37, 99, 235, 0.10) 0%, transparent 60%),
    var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
}

.page-hero h1 {
  margin-bottom: 16px;
}

.page-hero p {
  color: var(--color-text-mute);
  font-size: 17px;
  max-width: 640px;
  margin: 0 auto;
}

.breadcrumb {
  font-size: 14px;
  color: var(--color-text-mute);
  margin-bottom: 16px;
}

.breadcrumb a {
  color: var(--color-text-mute);
}

.breadcrumb a:hover { color: var(--color-accent); }

/* ---------- 价值 / feature list ---------- */
.feature-list {
  list-style: none;
  padding: 0;
  margin: 16px 0 0;
}

.feature-list li {
  position: relative;
  padding: 10px 0 10px 32px;
  border-bottom: 1px dashed var(--color-border);
  font-size: 15px;
  color: var(--color-text-soft);
}

.feature-list li:last-child { border-bottom: 0; }

.feature-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 10px;
  width: 22px;
  height: 22px;
  background: rgba(16, 185, 129, 0.12);
  color: var(--color-success);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
}

/* ---------- contact 两栏 ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: start;
}

.contact-info {
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 40px;
  position: relative;
  overflow: hidden;
}

.contact-info::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -80px;
  width: 240px;
  height: 240px;
  background: rgba(37, 99, 235, 0.3);
  border-radius: 50%;
  filter: blur(40px);
}

.contact-info h3 { color: #fff; margin-bottom: 24px; font-size: 22px; }

.contact-item {
  display: flex;
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  position: relative;
  z-index: 1;
}

.contact-item:last-child { border-bottom: 0; }

.contact-item .ic {
  flex: none;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.contact-item .label {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 4px;
}

.contact-item .val { color: #fff; font-size: 15px; font-weight: 500; }

.contact-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px;
}

@media (max-width: 880px) {
  .contact-grid { grid-template-columns: 1fr; }
}

/* ---------- 流程 steps ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  counter-reset: step;
}

.step {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px 22px;
  text-align: center;
  position: relative;
  counter-increment: step;
}

.step::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  top: 12px;
  right: 16px;
  font-size: 56px;
  font-weight: 800;
  color: var(--color-bg-soft);
  line-height: 1;
  z-index: 0;
}

.step > * { position: relative; z-index: 1; }

.step h4 {
  margin: 16px 0 8px;
  color: var(--color-primary);
  font-size: 17px;
}

.step p {
  margin: 0;
  font-size: 14px;
  color: var(--color-text-mute);
}

@media (max-width: 880px) {
  .steps { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 520px) {
  .steps { grid-template-columns: 1fr; }
}

/* ---------- CTA ---------- */
.cta {
  background:
    radial-gradient(800px 400px at 80% 50%, rgba(37, 99, 235, 0.25) 0%, transparent 60%),
    linear-gradient(120deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  border-radius: var(--radius-xl);
  padding: 64px 48px;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.cta h2 { color: #fff; margin-bottom: 16px; }
.cta p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 17px;
  margin: 0 auto 32px;
  max-width: 580px;
}

.cta .btn-primary {
  background: #fff;
  color: var(--color-primary);
  border-color: #fff;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.16);
}

.cta .btn-primary:hover {
  background: #f8fafc;
  color: var(--color-primary);
  border-color: #f8fafc;
  transform: translateY(-1px);
}

@media (max-width: 560px) {
  .cta { padding: 48px 24px; }
}

/* ---------- 动效入场 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- 辅助工具类 ---------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mt-4 { margin-top: 32px; }
.mb-4 { margin-bottom: 32px; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-3 { gap: 16px; }

/* ---------- 地图 ---------- */
.map-card {
  position: relative;
  height: 420px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(135deg, #1e4d8b 0%, #0a2540 100%);
  box-shadow: 0 12px 32px -12px rgba(10, 37, 64, 0.25);
}

.map-iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

.map-fab {
  position: absolute;
  top: 16px;
  right: 16px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: var(--color-primary);
  border-radius: 999px;
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  box-shadow: 0 4px 12px -2px rgba(0, 0, 0, 0.18);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
  z-index: 2;
}

.map-fab:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px -2px rgba(0, 0, 0, 0.22);
}

.map-tip {
  margin-top: 14px;
  font-size: 13px;
  color: var(--color-muted);
  text-align: center;
}

.map-badge {
  position: absolute;
  left: 16px;
  bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px 10px 12px;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: 12px;
  box-shadow: 0 6px 18px -4px rgba(0, 0, 0, 0.22);
  max-width: calc(100% - 32px);
  z-index: 2;
  pointer-events: none;
}

.map-badge-pin {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #2563eb 0%, #0a2540 100%);
  color: #fff;
  border-radius: 10px;
}

.map-badge-body {
  min-width: 0;
}

.map-badge-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.3;
}

.map-badge-addr {
  font-size: 12px;
  color: var(--color-muted);
  margin-top: 2px;
  line-height: 1.4;
}

@media (max-width: 560px) {
  .map-card { height: 320px; }
  .map-fab {
    padding: 6px 10px;
    font-size: 12px;
  }
  .map-badge {
    left: 12px;
    right: 12px;
    bottom: 12px;
    padding: 8px 12px;
  }
  .map-badge-title { font-size: 13px; }
  .map-badge-addr { font-size: 11px; }
}