/* ============================================================
   贝佳思嘉衡HRP 官网 全站样式
   配色与规范来源：《官网设计方案.md》第四章
   ============================================================ */

:root {
  /* 主色调 - 医疗专业蓝 */
  --primary: #0066cc;
  --primary-dark: #0052a3;
  --primary-deep: #0a3d75;
  --primary-light: #e6f2ff;

  /* 辅助色 */
  --success: #52c41a;
  --success-light: #f6ffed;
  --warning: #fa8c16;
  --warning-light: #fff7e6;
  --danger: #f5222d;
  --danger-light: #fff1f0;

  /* 背景色 */
  --bg: #f5f7fa;
  --bg-dark: #2c3e50;

  /* 文字色 */
  --text-primary: #2c3e50;
  --text-secondary: #606266;
  --text-light: #909399;

  /* 边框与阴影 */
  --border: #e4e9f0;
  --shadow: 0 4px 16px rgba(44, 62, 80, 0.08);
  --shadow-lg: 0 12px 32px rgba(10, 61, 117, 0.14);

  /* 圆角 */
  --radius: 12px;
  --radius-lg: 16px;

  /* 布局 */
  --container: 1200px;
  --header-h: 72px;
}

/* ---------- Reset / Base ---------- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 12px);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC",
    sans-serif;
  color: var(--text-primary);
  background: #fff;
  line-height: 1.7;
  font-size: 16px;
}

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

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--primary-dark);
}

ul,
ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

h1, h2, h3, h4, h5 {
  line-height: 1.35;
  font-weight: 700;
  color: var(--text-primary);
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Section 通用 ---------- */
.section {
  padding: 84px 0;
}

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

.section-head {
  max-width: 760px;
  margin: 0 auto 48px;
  text-align: center;
}

.section-title {
  font-size: 34px;
  margin-bottom: 14px;
  position: relative;
  display: inline-block;
  padding-bottom: 14px;
}

.section-title::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 48px;
  height: 4px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--primary), #33aaff);
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 17px;
}

.text-left {
  text-align: left;
}

.text-left .section-title::after {
  left: 0;
  transform: none;
}

.text-left .section-head {
  margin-left: 0;
  text-align: left;
}

/* ---------- 顶部导航 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: box-shadow 0.25s ease, border-color 0.25s ease;
}

.site-header.scrolled {
  border-bottom-color: var(--border);
  box-shadow: 0 2px 12px rgba(10, 61, 117, 0.08);
}

.header-inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 28px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.brand-mark {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 20px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), #00a6e9);
  box-shadow: 0 4px 10px rgba(0, 102, 204, 0.35);
}

.brand-text {
  font-size: 19px;
  font-weight: 700;
  color: var(--text-primary);
  white-space: nowrap;
}

.brand-text b {
  color: var(--primary);
  margin-left: 4px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.site-nav a {
  color: var(--text-secondary);
  font-size: 15px;
  padding: 8px 13px;
  border-radius: 8px;
  white-space: nowrap;
  transition: color 0.2s, background 0.2s;
}

.site-nav a:hover {
  color: var(--primary);
  background: var(--primary-light);
}

.site-nav a.active {
  color: var(--primary);
  font-weight: 600;
  background: var(--primary-light);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  padding: 9px;
}

.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  border-radius: 2px;
  background: var(--text-primary);
  transition: transform 0.25s, opacity 0.25s;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.4;
  border: 2px solid transparent;
  transition: all 0.25s ease;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), #1487d8);
  color: #fff;
  box-shadow: 0 6px 16px rgba(0, 102, 204, 0.35);
}

.btn-primary:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 10px 22px rgba(0, 102, 204, 0.42);
}

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

.btn-outline:hover {
  background: var(--primary);
  color: #fff;
}

.btn-white {
  background: #fff;
  color: var(--primary);
  box-shadow: 0 6px 16px rgba(0, 30, 60, 0.2);
}

.btn-white:hover {
  color: var(--primary-dark);
  transform: translateY(-2px);
}

.btn-ghost {
  border-color: rgba(255, 255, 255, 0.65);
  color: #fff;
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
}

.btn-lg {
  padding: 15px 36px;
  font-size: 17px;
}

.btn-sm {
  padding: 9px 20px;
  font-size: 14px;
  border-radius: 8px;
}

.btn-block {
  width: 100%;
}

/* ---------- Hero（首页） ---------- */
.hero {
  position: relative;
  overflow: hidden;
  color: #fff;
  background: linear-gradient(135deg, #064a8f 0%, #0066cc 55%, #0092d6 100%);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.14) 1.2px, transparent 1.2px);
  background-size: 26px 26px;
  opacity: 0.5;
}

.hero::after {
  content: "";
  position: absolute;
  right: -140px;
  top: -140px;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.16), transparent 65%);
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
  padding: 88px 0 96px;
}

.hero-title {
  font-size: 44px;
  color: #fff;
  margin-bottom: 18px;
  letter-spacing: 1px;
}

.hero-title .accent {
  background: linear-gradient(90deg, #8fd0ff, #d8f0ff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-sub {
  font-size: 19px;
  color: rgba(255, 255, 255, 0.88);
  margin-bottom: 30px;
  max-width: 520px;
}

.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  border-radius: 999px;
  font-size: 14px;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.28);
  color: #fff;
  backdrop-filter: blur(6px);
}

/* 浅色背景下的徽章 */
.section .badge {
  background: var(--primary-light);
  border-color: #cbe4ff;
  color: var(--primary-dark);
}

.badge-green {
  background: var(--success-light);
  border-color: #c9efa8;
  color: #389e0d;
}

.badge-orange {
  background: var(--warning-light);
  border-color: #ffe0aa;
  color: #ad5b00;
}

.badge-red {
  background: var(--danger-light);
  border-color: #ffccc7;
  color: #cf1322;
}

.badge-gray {
  background: #f0f2f5;
  border-color: #e4e7ed;
  color: var(--text-secondary);
}

/* ---------- Hero 仪表盘预览（纯CSS） ---------- */
.hero-visual {
  position: relative;
}

.mock-window {
  background: #fff;
  border-radius: 14px;
  box-shadow: 0 24px 60px rgba(0, 25, 55, 0.45);
  overflow: hidden;
  color: var(--text-primary);
  transform: rotate(0.6deg);
}

/* 真实系统截图填充（首页横幅） */
.mock-shot {
  display: block;
  width: 100%;
  height: auto;
}

.mock-topbar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 16px;
  background: #eef3f9;
  border-bottom: 1px solid var(--border);
}

.mock-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.mock-dot:nth-child(1) { background: #ff5f57; }
.mock-dot:nth-child(2) { background: #febc2e; }
.mock-dot:nth-child(3) { background: #28c840; }

.mock-url {
  margin-left: 12px;
  flex: 1;
  height: 22px;
  border-radius: 6px;
  background: #fff;
  border: 1px solid var(--border);
  font-size: 11px;
  color: var(--text-light);
  display: flex;
  align-items: center;
  padding: 0 10px;
}

.mock-body {
  display: grid;
  grid-template-columns: 92px 1fr;
  min-height: 320px;
}

.mock-side {
  background: #0e2a47;
  padding: 14px 10px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.mock-side-item {
  height: 12px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.16);
}

.mock-side-item.on {
  background: #1d7fd6;
}

.mock-main {
  padding: 16px;
  background: #f7fafd;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mock-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.mock-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  box-shadow: 0 2px 6px rgba(10, 61, 117, 0.05);
}

.mock-card .mc-label {
  font-size: 11px;
  color: var(--text-light);
}

.mock-card .mc-value {
  font-size: 20px;
  font-weight: 800;
  color: var(--primary-deep);
}

.mock-card .mc-trend {
  font-size: 11px;
  color: var(--success);
  font-weight: 600;
}

.mock-card .mc-trend.down {
  color: var(--warning);
}

.mock-panels {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 10px;
  flex: 1;
}

.mock-panel {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
}

.mock-panel .mp-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 10px;
}

.mock-chart {
  display: flex;
  align-items: flex-end;
  gap: 7px;
  height: 96px;
}

.mock-bar {
  flex: 1;
  border-radius: 4px 4px 0 0;
  background: linear-gradient(180deg, #4aa8f0, #1d7fd6);
  opacity: 0.85;
}

.mock-bar:nth-child(odd) {
  background: linear-gradient(180deg, #7cc5f7, #38a3e8);
}

.mock-bar:last-child {
  background: linear-gradient(180deg, #ffb45e, #fa8c16);
}

.mock-list {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.mock-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  color: var(--text-secondary);
}

.mock-row .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  flex-shrink: 0;
}

.mock-row .bar {
  flex: 1;
  height: 8px;
  border-radius: 4px;
  background: #edf2f8;
  overflow: hidden;
}

.mock-row .bar i {
  display: block;
  height: 100%;
  border-radius: 4px;
  background: linear-gradient(90deg, #4aa8f0, #0066cc);
}

/* ---------- 数据统计条 ---------- */
.stats-strip {
  background: #fff;
  border-bottom: 1px solid var(--border);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding: 30px 0;
  gap: 20px;
}

.stat-item {
  text-align: center;
}

.stat-item + .stat-item {
  border-left: 1px solid var(--border);
}

.stat-num {
  font-size: 36px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
}

.stat-num small {
  font-size: 18px;
  font-weight: 700;
}

.stat-label {
  color: var(--text-secondary);
  font-size: 15px;
  margin-top: 4px;
}

/* ---------- 通用网格与卡片 ---------- */
.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 {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: var(--shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.icon-chip {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  font-size: 30px;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #e6f2ff, #cfe7ff);
}

.chip-green { background: linear-gradient(135deg, #f0fce3, #d9f3bd); }
.chip-orange { background: linear-gradient(135deg, #fff4e3, #ffe4bf); }
.chip-purple { background: linear-gradient(135deg, #f1ecfe, #ded2fc); }
.chip-teal { background: linear-gradient(135deg, #e0f7f6, #bfeae8); }
.chip-red { background: linear-gradient(135deg, #fff0ef, #ffd9d6); }

.card h3 {
  font-size: 20px;
  margin-bottom: 10px;
}

.card > p {
  color: var(--text-secondary);
  font-size: 15px;
}

/* 功能小标签 */
.feature-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.feature-chips span {
  font-size: 13px;
  color: var(--primary-dark);
  background: var(--primary-light);
  border-radius: 6px;
  padding: 4px 10px;
}

/* ---------- 产品矩阵卡片 ---------- */
.product-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 34px 30px;
  box-shadow: var(--shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.product-card .product-status {
  position: absolute;
  top: 22px;
  right: 22px;
}

.product-card h3 {
  font-size: 21px;
  margin: 2px 0 6px;
}

.product-card .product-desc {
  color: var(--text-light);
  font-size: 14px;
  margin-bottom: 16px;
}

.product-card.primary {
  border-top: 4px solid var(--primary);
}

.product-card.secondary {
  border-style: solid;
  background: #fbfcfe;
}

.product-card.secondary .icon-chip {
  filter: grayscale(0.35);
  opacity: 0.9;
}

.product-card .product-more {
  margin-top: auto;
  padding-top: 18px;
  font-size: 15px;
  font-weight: 600;
  color: var(--primary);
}

/* ---------- 行业对比 ---------- */
.comparison-wrap {
  display: grid;
  grid-template-columns: 1fr 90px 1fr;
  align-items: stretch;
  gap: 0;
}

.comp-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 34px 32px;
  box-shadow: var(--shadow);
}

.comp-card.ours {
  border: 2px solid var(--primary);
  box-shadow: 0 16px 40px rgba(0, 102, 204, 0.18);
  background: linear-gradient(180deg, #f5faff, #ffffff);
}

.comp-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 18px;
  margin-bottom: 22px;
  border-bottom: 1px dashed var(--border);
}

.comp-name {
  font-size: 21px;
  font-weight: 700;
}

.comp-tag {
  font-size: 13px;
  padding: 4px 12px;
  border-radius: 999px;
  background: #f0f2f5;
  color: var(--text-secondary);
}

.ours .comp-tag {
  background: var(--primary);
  color: #fff;
}

.comp-feature {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 13px 0;
}

.comp-feature + .comp-feature {
  border-top: 1px solid #f2f5f9;
}

.comp-feature .fi {
  width: 44px;
  height: 44px;
  font-size: 21px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: #f4f6f9;
  flex-shrink: 0;
}

.ours .comp-feature .fi {
  background: var(--primary-light);
}

.comp-feature h4 {
  font-size: 16px;
  margin-bottom: 2px;
}

.comp-feature p {
  font-size: 14px;
  color: var(--text-light);
}

.vs-divider {
  display: grid;
  place-items: center;
}

.vs-badge {
  width: 62px;
  height: 62px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 17px;
  color: #fff;
  background: linear-gradient(135deg, #fa8c16, #f5a623);
  box-shadow: 0 8px 20px rgba(250, 140, 22, 0.4);
  border: 4px solid #fff;
}

/* ---------- 定价 ---------- */
.pricing-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  box-shadow: var(--shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.pricing-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.pricing-card.featured {
  border: 2px solid var(--primary);
  box-shadow: 0 16px 40px rgba(0, 102, 204, 0.16);
}

.pricing-card .plan-tag {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--primary), #1487d8);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  padding: 5px 18px;
  border-radius: 999px;
  white-space: nowrap;
}

.pricing-card h3 {
  font-size: 20px;
  margin-bottom: 14px;
}

.pricing-card .price {
  font-size: 40px;
  font-weight: 800;
  color: var(--primary-deep);
  line-height: 1.2;
  margin-bottom: 4px;
}

.pricing-card .price small {
  font-size: 15px;
  color: var(--text-light);
  font-weight: 400;
}

.pricing-card .price-note {
  color: var(--text-light);
  font-size: 13px;
  margin-bottom: 20px;
}

.plan-features {
  flex: 1;
  margin: 8px 0 26px;
  display: flex;
  flex-direction: column;
  gap: 11px;
}

.plan-features li {
  display: flex;
  gap: 10px;
  align-items: baseline;
  color: var(--text-secondary);
  font-size: 15px;
}

.plan-features li::before {
  content: "✓";
  color: var(--success);
  font-weight: 700;
  flex-shrink: 0;
}

/* ---------- 服务卡（维护套餐等） ---------- */
.service-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 30px;
  box-shadow: var(--shadow);
}

.service-card.premium {
  border-top: 4px solid var(--warning);
}

.service-card.standard {
  border-top: 4px solid var(--primary);
}

.service-card h4 {
  font-size: 20px;
  margin-bottom: 6px;
}

.service-card .service-price {
  color: var(--primary);
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 16px;
}

.service-card ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.service-card ul li {
  display: flex;
  gap: 10px;
  align-items: baseline;
  color: var(--text-secondary);
  font-size: 15px;
}

.service-card ul li::before {
  content: "•";
  color: var(--primary);
  font-weight: 800;
}

/* ---------- 页面 Hero（子页） ---------- */
.page-hero {
  position: relative;
  overflow: hidden;
  color: #fff;
  background: linear-gradient(135deg, #064a8f 0%, #0066cc 55%, #0092d6 100%);
  padding: 68px 0;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.13) 1.2px, transparent 1.2px);
  background-size: 26px 26px;
  opacity: 0.5;
}

.page-hero .container {
  position: relative;
  z-index: 1;
}

.page-hero h1 {
  font-size: 36px;
  color: #fff;
  margin-bottom: 10px;
}

.page-hero p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 17px;
  max-width: 680px;
}

.page-hero .badge {
  margin-top: 18px;
}

/* ---------- 授权条款 ---------- */
.term-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 18px;
  background: var(--success-light);
  border: 1px solid #d9f2be;
  border-radius: 10px;
  transition: transform 0.25s ease;
}

.term-item:hover {
  transform: translateX(4px);
}

.term-item.forbidden {
  background: var(--danger-light);
  border-color: #ffccc7;
}

.term-item .term-icon {
  font-size: 20px;
  flex-shrink: 0;
  line-height: 1.5;
}

.term-item h4 {
  font-size: 16px;
  margin-bottom: 2px;
}

.term-item p {
  color: var(--text-secondary);
  font-size: 14px;
}

.term-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.term-category > h3 {
  font-size: 21px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ---------- 步骤条 ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: step;
}

.step {
  position: relative;
  text-align: center;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 20px 26px;
  box-shadow: var(--shadow);
}

.step::before {
  counter-increment: step;
  content: counter(step);
  width: 52px;
  height: 52px;
  margin: 0 auto 14px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 21px;
  font-weight: 800;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), #1487d8);
  box-shadow: 0 6px 14px rgba(0, 102, 204, 0.35);
}

.step:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 56px;
  left: calc(50% + 34px);
  width: calc(100% - 68px);
  border-top: 2px dashed #bcd8f3;
}

.step h4 {
  font-size: 17px;
  margin-bottom: 6px;
}

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

/* ---------- FAQ 手风琴 ---------- */
.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: box-shadow 0.25s ease;
}

.faq-item.active {
  box-shadow: var(--shadow-lg);
  border-color: #bcd8f3;
}

.faq-q {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  text-align: left;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}

.faq-toggle {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 18px;
  font-weight: 400;
  transition: transform 0.3s ease, background 0.3s ease, color 0.3s ease;
}

.faq-item.active .faq-toggle {
  transform: rotate(45deg);
  background: var(--primary);
  color: #fff;
}

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 24px;
}

.faq-item.active .faq-a {
  max-height: 320px;
  padding-bottom: 20px;
}

.faq-a p {
  color: var(--text-secondary);
  font-size: 15px;
}

/* ---------- CTA 横幅 ---------- */
.cta-band {
  background: linear-gradient(120deg, #064a8f 0%, #0066cc 60%, #0092d6 100%);
  position: relative;
  overflow: hidden;
  padding: 64px 0;
  color: #fff;
}

.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.12) 1.2px, transparent 1.2px);
  background-size: 26px 26px;
}

.cta-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}

.cta-inner h2 {
  color: #fff;
  font-size: 30px;
  margin-bottom: 8px;
}

.cta-inner p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 16px;
}

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

/* ---------- 时间线（关于我们） ---------- */
.timeline {
  position: relative;
  max-width: 820px;
  margin: 0 auto;
  padding-left: 36px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 6px;
  bottom: 6px;
  width: 3px;
  border-radius: 2px;
  background: linear-gradient(180deg, #4aa8f0, #bcd8f3);
}

.timeline-item {
  position: relative;
  padding: 0 0 34px 24px;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -36px;
  top: 6px;
  width: 17px;
  height: 17px;
  border-radius: 50%;
  background: #fff;
  border: 4px solid var(--primary);
  box-shadow: 0 0 0 5px rgba(0, 102, 204, 0.15);
}

.timeline-item .tl-date {
  display: inline-block;
  font-weight: 800;
  color: var(--primary);
  font-size: 15px;
  margin-bottom: 6px;
}

.timeline-item h4 {
  font-size: 18px;
  margin-bottom: 6px;
}

.timeline-item p {
  color: var(--text-secondary);
  font-size: 15px;
}

/* ---------- 新闻 / 案例 卡 ---------- */
.news-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.news-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.news-cover {
  height: 168px;
  display: grid;
  place-items: center;
  font-size: 56px;
  background: linear-gradient(135deg, #e6f2ff, #d3e8ff);
}

.news-cover.cv-orange { background: linear-gradient(135deg, #fff4e3, #ffe0b3); }
.news-cover.cv-green { background: linear-gradient(135deg, #f0fce3, #d9f3bd); }
.news-cover.cv-purple { background: linear-gradient(135deg, #f1ecfe, #ded2fc); }

.news-body {
  padding: 24px 26px 26px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.news-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.news-meta time {
  font-size: 13px;
  color: var(--text-light);
}

.news-tag {
  font-size: 12px;
  padding: 2px 10px;
  border-radius: 999px;
  background: var(--primary-light);
  color: var(--primary-dark);
}

.news-body h3 {
  font-size: 18px;
  margin-bottom: 10px;
  line-height: 1.5;
}

.news-body p {
  color: var(--text-secondary);
  font-size: 14px;
  flex: 1;
}

.news-more {
  margin-top: 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
}

/* 案例卡 */
.case-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 30px 28px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.case-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.case-top {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.case-logo {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-size: 26px;
  background: linear-gradient(135deg, #e6f2ff, #cfe7ff);
  flex-shrink: 0;
}

.case-top h3 {
  font-size: 18px;
}

.case-top .case-scale {
  font-size: 13px;
  color: var(--text-light);
}

.case-quote {
  color: var(--text-secondary);
  font-size: 15px;
  background: var(--bg);
  border-left: 3px solid var(--primary);
  border-radius: 0 8px 8px 0;
  padding: 12px 16px;
  margin: 14px 0 18px;
}

.case-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px dashed var(--border);
}

.case-stats .cs {
  text-align: center;
}

.case-stats .cs b {
  display: block;
  font-size: 22px;
  color: var(--primary);
  font-weight: 800;
}

.case-stats .cs span {
  font-size: 12px;
  color: var(--text-light);
}

/* ---------- 联系页 ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.contact-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 30px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: transform 0.3s ease;
}

.contact-card:hover {
  transform: translateY(-5px);
}

.contact-card .icon-chip {
  margin: 0 auto 16px;
}

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

.contact-card p {
  color: var(--text-secondary);
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

/* 表单 */
.form-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-lg);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-field.full {
  grid-column: 1 / -1;
}

.form-field label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-field label em {
  color: var(--danger);
  font-style: normal;
  margin-left: 2px;
}

.form-field input,
.form-field select,
.form-field textarea {
  font-family: inherit;
  font-size: 15px;
  color: var(--text-primary);
  padding: 12px 14px;
  border: 1px solid #dcdfe6;
  border-radius: 10px;
  background: #fff;
  transition: border-color 0.2s, box-shadow 0.2s;
  width: 100%;
}

.form-field textarea {
  resize: vertical;
  min-height: 110px;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.14);
}

.form-note {
  margin-top: 18px;
  font-size: 13px;
  color: var(--text-light);
}

.form-success {
  display: none;
  margin-top: 18px;
  padding: 14px 18px;
  border-radius: 10px;
  background: var(--success-light);
  border: 1px solid #c9efa8;
  color: #389e0d;
  font-size: 15px;
}

.form-success.show {
  display: block;
}

.form-error {
  display: none;
  margin-top: 18px;
  padding: 14px 18px;
  border-radius: 10px;
  background: var(--danger-light);
  border: 1px solid #ffccc7;
  color: #cf1322;
  font-size: 15px;
}

.form-error.show {
  display: block;
}

/* ---------- 表格（轻量） ---------- */
.table-wrap {
  overflow-x: auto;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
  min-width: 560px;
}

.data-table th {
  background: #f2f7fd;
  color: var(--primary-deep);
  font-weight: 700;
  text-align: left;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.data-table td {
  padding: 13px 20px;
  border-bottom: 1px solid #f2f5f9;
  color: var(--text-secondary);
}

.data-table tr:last-child td {
  border-bottom: none;
}

.data-table tr:hover td {
  background: #f8fbff;
}

/* ---------- 页脚 ---------- */
.site-footer {
  background: #0d2136;
  color: rgba(255, 255, 255, 0.75);
  padding: 64px 0 0;
  font-size: 14px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 44px;
}

.footer-brand .brand {
  margin-bottom: 16px;
}

.footer-brand .brand-text {
  color: #fff;
}

.footer-brand p {
  max-width: 320px;
}

.footer-brand .footer-contact {
  margin-top: 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-title {
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 18px;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 11px;
}

.footer-col a {
  color: rgba(255, 255, 255, 0.7);
  transition: color 0.2s;
}

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

.footer-col .soon {
  color: rgba(255, 255, 255, 0.42);
}

.footer-col .soon::after {
  content: "（规划中）";
  font-size: 12px;
  color: rgba(255, 255, 255, 0.35);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px 0;
}

.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
}

/* ---------- 宗旨标语 ---------- */
.motto {
  text-align: center;
  font-size: 26px;
  font-weight: 800;
  color: var(--primary-deep);
  margin-top: 44px;
  padding: 34px 30px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #f5faff, #eef7ff);
  border: 1px dashed #9cc9f2;
}

.motto small {
  display: block;
  font-size: 15px;
  font-weight: 400;
  color: var(--text-secondary);
  margin-top: 10px;
}

/* ---------- 政策/信创提示横幅 ---------- */
.policy-banner {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  background: linear-gradient(135deg, #f5faff, #eef7ff);
  border: 1px dashed #9cc9f2;
  border-radius: var(--radius-lg);
  padding: 26px 32px;
  margin-top: 32px;
}

.policy-banner .pb-icon {
  font-size: 36px;
  flex-shrink: 0;
}

.policy-banner .pb-text {
  flex: 1;
  min-width: 240px;
}

.policy-banner .pb-text b {
  color: var(--primary-deep);
  font-size: 17px;
}

.policy-banner .pb-text p {
  color: var(--text-secondary);
  font-size: 15px;
  margin-top: 2px;
}

/* ---------- 系统界面预览（产品中心） ---------- */
.mock-window.flat {
  transform: none;
}

.mock-content {
  padding: 14px;
  background: #f7fafd;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mock-toolbar {
  display: flex;
  gap: 8px;
  align-items: center;
  padding: 10px 14px;
  background: #fff;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.mock-btn {
  font-size: 12px;
  padding: 4px 12px;
  border-radius: 6px;
  background: var(--primary);
  color: #fff;
  white-space: nowrap;
}

.mock-btn.ghost {
  background: #fff;
  color: var(--text-secondary);
  border: 1px solid #dcdfe6;
}

.mock-btn.warn {
  background: var(--warning-light);
  color: #ad5b00;
  border: 1px solid #ffe0aa;
}

.mock-search {
  flex: 1;
  min-width: 90px;
  height: 26px;
  border-radius: 6px;
  border: 1px solid #dcdfe6;
  font-size: 11px;
  color: var(--text-light);
  display: flex;
  align-items: center;
  padding: 0 10px;
  background: #fafbfc;
}

.mock-filter {
  font-size: 12px;
  color: var(--text-secondary);
  background: #f4f6f9;
  border-radius: 6px;
  padding: 4px 10px;
  white-space: nowrap;
}

.mock-scroll {
  overflow-x: auto;
  background: #fff;
}

.mock-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  min-width: 430px;
}

.mock-table th {
  background: #f2f7fd;
  color: #415a77;
  font-weight: 600;
  text-align: left;
  padding: 7px 12px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.mock-table td {
  padding: 7px 12px;
  border-bottom: 1px solid #f2f5f9;
  color: var(--text-secondary);
  white-space: nowrap;
}

.mock-table tr:last-child td {
  border-bottom: none;
}

.mock-tag {
  display: inline-block;
  font-size: 11px;
  padding: 1px 8px;
  border-radius: 4px;
}

.mock-tag.ok { background: var(--success-light); color: #389e0d; }
.mock-tag.warn { background: var(--warning-light); color: #ad5b00; }
.mock-tag.err { background: var(--danger-light); color: #cf1322; }
.mock-tag.info { background: var(--primary-light); color: var(--primary-dark); }

.mock-sched {
  display: grid;
  grid-template-columns: 66px repeat(7, 1fr);
  gap: 4px;
  padding: 12px;
  font-size: 11px;
  min-width: 400px;
}

.mock-sched .ms-head {
  text-align: center;
  color: var(--text-light);
  font-weight: 600;
  padding: 4px 0;
}

.mock-sched .ms-name {
  color: var(--text-secondary);
  display: flex;
  align-items: center;
}

.ms-cell {
  text-align: center;
  border-radius: 5px;
  padding: 4px 0;
}

.ms-day { background: #e6f2ff; color: #0052a3; }
.ms-night { background: #f1ecfe; color: #531dab; }
.ms-off { background: #f4f6f9; color: #909399; }
.ms-today { background: var(--warning-light); color: #ad5b00; }

.preview-caption {
  margin-top: 12px;
  text-align: center;
  color: var(--text-secondary);
  font-size: 14px;
}

/* ---------- 系统截图卡片（产品中心） ---------- */
.shot-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.shot-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 14px;
  box-shadow: var(--shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.shot-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.shot-card img {
  width: 100%;
  border-radius: 8px;
  border: 1px solid var(--border);
  display: block;
}

.shot-card figcaption {
  padding: 12px 6px 2px;
  font-size: 15px;
  color: var(--text-secondary);
  text-align: center;
}

.shot-card figcaption b {
  color: var(--text-primary);
}

.shot-note {
  margin-top: 26px;
  text-align: center;
  color: var(--text-light);
  font-size: 14px;
}

/* ---------- 返回顶部 ---------- */
.to-top {
  position: fixed;
  right: 26px;
  bottom: 30px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: #fff;
  color: var(--primary);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  font-size: 19px;
  z-index: 900;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all 0.3s ease;
}

.to-top.show {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.to-top:hover {
  background: var(--primary);
  color: #fff;
}

/* ---------- 入场动画（纯CSS，加载时播放一次，不依赖JS） ---------- */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(26px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* 仅在 JS 可用时播放；无 JS 环境/爬虫直接可见静态内容，不存在隐藏态 */
html.js .reveal {
  animation: fadeUp 0.6s ease both;
}

/* 保险：JS 在 1.2s 后标记 anim-done，强制解除动画定格，
   防止个别嵌入环境冻结动画时钟导致内容滞留隐藏态 */
html.js.anim-done .reveal {
  animation: none;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  html.js .reveal {
    animation: none;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}

/* ============================================================
   响应式
   ============================================================ */

@media (max-width: 1080px) {
  .site-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    background: #fff;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 16px 32px rgba(10, 61, 117, 0.12);
    padding: 12px 20px 18px;
    margin: 0;
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: all 0.25s ease;
  }

  .site-nav.open {
    transform: none;
    opacity: 1;
    visibility: visible;
  }

  .site-nav a {
    padding: 12px 14px;
    border-radius: 10px;
    font-size: 16px;
  }

  .nav-toggle {
    display: flex;
  }

  .header-actions .btn {
    display: none;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 60px 0 72px;
  }

  .hero-title {
    font-size: 36px;
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .comparison-wrap {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .vs-divider {
    padding: 4px 0;
  }

  .steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .step:not(:last-child)::after {
    display: none;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .section {
    padding: 56px 0;
  }

  .section-title {
    font-size: 26px;
  }

  .section-subtitle {
    font-size: 15px;
  }

  .hero-title {
    font-size: 28px;
  }

  .hero-sub {
    font-size: 16px;
  }

  .hero-cta .btn {
    width: 100%;
  }

  .page-hero {
    padding: 48px 0;
  }

  .page-hero h1 {
    font-size: 28px;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px 12px;
  }

  .stat-item:nth-child(3) {
    border-left: none;
  }

  .stat-num {
    font-size: 30px;
  }

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .shot-grid {
    grid-template-columns: 1fr;
  }

  .mock-cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .mock-panels {
    grid-template-columns: 1fr;
  }

  .steps {
    grid-template-columns: 1fr;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .form-card {
    padding: 26px 22px;
  }

  .case-stats {
    grid-template-columns: repeat(3, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .cta-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .cta-inner .btn {
    width: 100%;
  }

  .pricing-card .price {
    font-size: 34px;
  }
}