/* ==========================================================================
   察雅多崇商贸有限公司 · 企业官网视觉规范
   设计语言：现代、可信赖、供应链科技感
   ========================================================================== */

:root {
  --primary-color: #0d5ae5;
  --primary-dark: #0a47b7;
  --primary-light: #4c8dff;
  --secondary-color: #0db18b;
  --secondary-dark: #0a7b62;
  --accent-color: #ffb02e;
  --accent-dark: #d88b00;
  --heading-color: #152340;
  --text-color: #3a455c;
  --muted-color: #6b7487;
  --border-light: #e2e8f4;
  --border-strong: #c4ccda;
  --bg-body: #f4f6fb;
  --bg-card: #ffffff;
  --bg-section: #f8faff;
  --shadow-sm: 0px 8px 20px rgba(15, 35, 95, 0.08);
  --shadow-md: 0px 18px 40px rgba(10, 30, 80, 0.12);
  --shadow-lg: 0px 26px 70px rgba(9, 20, 60, 0.18);
  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 22px;
  --radius-xl: 32px;
  --transition: all 0.3s ease;
  --max-width: 1240px;
  --nav-height: 82px;
  --space-1: 6px;
  --space-2: 10px;
  --space-3: 16px;
  --space-4: 24px;
  --space-5: 32px;
  --space-6: 44px;
  --space-7: 56px;
  --space-8: 72px;
  --space-9: 92px;
  --font-family: 'Noto Sans SC', 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
}

/* ==========================================================================
   全局基础
   ========================================================================== */

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

html {
  scroll-behavior: smooth;
}

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

img,
svg {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-sm);
}

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

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

p {
  margin: 0 0 var(--space-3);
  color: var(--text-color);
}

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

strong {
  color: var(--heading-color);
  font-weight: 600;
}

/* ==========================================================================
   版式体系
   ========================================================================== */

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0 0 var(--space-3);
  font-family: var(--font-family);
  font-weight: 600;
  color: var(--heading-color);
  line-height: 1.3;
}

h1 {
  font-size: clamp(34px, 4vw, 56px);
}

h2 {
  font-size: clamp(28px, 3vw, 40px);
}

h3 {
  font-size: clamp(22px, 2.2vw, 30px);
}

h4 {
  font-size: clamp(18px, 1.8vw, 24px);
}

.lead {
  font-size: 18px;
  color: var(--muted-color);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: var(--space-2);
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--secondary-color);
}

/* ==========================================================================
   容器与区块
   ========================================================================== */

.container {
  width: min(100%, var(--max-width));
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.container-narrow {
  width: min(100%, 960px);
  margin: 0 auto;
}

section {
  padding: var(--space-8) 0;
}

.section-tight {
  padding: var(--space-6) 0;
}

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

.section-title {
  text-align: center;
  margin-bottom: var(--space-6);
}

.section-title .subtitle {
  margin-bottom: var(--space-2);
  font-size: 16px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--secondary-color);
}

.section-title h2 {
  position: relative;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
}

.section-title h2::after {
  content: '';
  width: 64px;
  height: 4px;
  border-radius: var(--radius-xs);
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

.section-title p {
  margin: var(--space-2) auto 0;
  max-width: 680px;
  color: var(--muted-color);
}

/* ==========================================================================
   导航栏
   ========================================================================== */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: var(--transition);
}

.navbar.scrolled {
  border-color: var(--border-light);
  box-shadow: 0 12px 30px rgba(12, 37, 97, 0.08);
}

.navbar-container {
  width: min(100%, var(--max-width));
  margin: 0 auto;
  padding: 0 var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: var(--nav-height);
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 22px;
  font-weight: 700;
  color: var(--heading-color);
}

.navbar-logo img,
.navbar-logo span.icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  color: #fff;
  border-radius: 12px;
  font-size: 24px;
}

.navbar-menu {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  list-style: none;
}

.navbar-item {
  position: relative;
}

.navbar-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  font-weight: 500;
  color: var(--text-color);
  border-radius: var(--radius-sm);
}

.navbar-link:hover,
.navbar-item.active .navbar-link {
  color: var(--primary-color);
  background: rgba(13, 90, 229, 0.08);
}

.dropdown-toggle::after {
  content: '';
  width: 8px;
  height: 8px;
  border: 2px solid currentColor;
  border-top: none;
  border-left: none;
  transform: rotate(45deg);
  transition: var(--transition);
  margin-bottom: 2px;
}

.dropdown:hover .dropdown-toggle::after {
  transform: rotate(-135deg);
}

.dropdown-menu {
  position: absolute;
  inset-inline-start: 0;
  top: calc(100% + 12px);
  background: #ffffff;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  min-width: 220px;
  padding: var(--space-2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: var(--transition);
  z-index: 10;
}

.dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  color: var(--text-color);
  font-weight: 500;
}

.dropdown-item span {
  font-size: 13px;
  color: var(--muted-color);
}

.dropdown-item:hover {
  background: rgba(13, 90, 229, 0.08);
  color: var(--primary-color);
}

.navbar-cta {
  padding: 10px 20px;
  border-radius: 999px;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  box-shadow: 0 12px 25px rgba(13, 90, 229, 0.25);
}

.navbar-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 32px rgba(13, 90, 229, 0.35);
}

.navbar-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
  background: #fff;
  color: var(--heading-color);
  align-items: center;
  justify-content: center;
  font-size: 22px;
  cursor: pointer;
  transition: var(--transition);
}

.navbar-toggle:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
}

/* ==========================================================================
   按钮与标签
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 24px;
  border-radius: 999px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  font-size: 16px;
  transition: var(--transition);
  background: var(--border-light);
  color: var(--heading-color);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: #fff;
  box-shadow: 0 12px 35px rgba(13, 90, 229, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 40px rgba(13, 90, 229, 0.45);
}

.btn-secondary {
  background: linear-gradient(135deg, var(--secondary-color), var(--secondary-dark));
  color: #fff;
  box-shadow: 0 12px 30px rgba(13, 177, 139, 0.28);
}

.btn-outline {
  background: transparent;
  border: 1.6px solid var(--primary-color);
  color: var(--primary-color);
}

.btn-outline:hover {
  background: var(--primary-color);
  color: #fff;
  box-shadow: 0 12px 30px rgba(13, 90, 229, 0.25);
}

.btn-soft {
  background: rgba(13, 90, 229, 0.08);
  color: var(--primary-color);
}

.btn-lg {
  padding: 14px 30px;
  font-size: 18px;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 14px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  background: rgba(13, 177, 139, 0.12);
  color: var(--secondary-dark);
}

/* ==========================================================================
   英雄区域
   ========================================================================== */

.hero {
  position: relative;
  padding: calc(var(--nav-height) + 60px) 0 var(--space-9);
  color: #fff;
  background: radial-gradient(circle at top right, rgba(76, 141, 255, 0.38), transparent 55%),
              linear-gradient(140deg, #0c1f52, #0d5ae5 55%, #108fd1);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 22, 66, 0.9), rgba(6, 22, 66, 0.55));
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: var(--hero-image, none);
  background-size: cover;
  background-position: center;
  opacity: 0.18;
  mix-blend-mode: lighten;
  pointer-events: none;
}

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

.hero--minimal .hero-minimal {
  max-width: 620px;
  display: grid;
  gap: var(--space-3);
}

.hero--minimal .hero-minimal h1 {
  color: #fff;
  text-shadow: 0 6px 18px rgba(0, 0, 0, 0.2);
}

.hero--minimal .hero-minimal .eyebrow {
  color: rgba(255, 255, 255, 0.78);
}

.hero--minimal .hero-minimal p {
  color: rgba(255, 255, 255, 0.88);
  font-size: 18px;
  margin-bottom: 0;
}

.hero-minimal-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: var(--space-6);
}

.hero-content h1 {
  color: #fff;
  margin-bottom: var(--space-3);
}

.hero-content p {
  color: rgba(255, 255, 255, 0.86);
  font-size: 18px;
  margin-bottom: var(--space-4);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
}

.hero-actions .hint {
  font-size: 14px;
  opacity: 0.8;
}

.hero-stats {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: var(--space-5);
}

.hero-stat {
  padding: var(--space-4);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(12px);
}

.hero-stat h3 {
  margin-bottom: var(--space-2);
  color: #fff;
  font-size: 28px;
}

.hero-media {
  position: relative;
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: 0 30px 80px rgba(8, 20, 68, 0.35);
}

.hero-media::after {
  content: '';
  position: absolute;
  inset: 14px;
  border-radius: var(--radius-md);
  border: 1px dashed rgba(255, 255, 255, 0.16);
  pointer-events: none;
}

.hero-media img {
  border-radius: var(--radius-md);
  box-shadow: 0 22px 60px rgba(6, 22, 66, 0.45);
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.hero-badges .badge {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}

/* ==========================================================================
   栅格与卡片
   ========================================================================== */

.grid {
  display: grid;
  gap: var(--space-4);
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.grid-auto {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  background: var(--bg-card);
  border: 1px solid rgba(16, 45, 104, 0.08);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  box-shadow: 0 10px 28px rgba(15, 35, 95, 0.08);
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
  border-color: rgba(13, 90, 229, 0.25);
}

.card.image-card {
  padding: 0;
  overflow: hidden;
}

.card-image {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.card-body {
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.card-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--heading-color);
}

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

.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 14px;
  color: var(--muted-color);
  margin-top: auto;
}

.icon-circle {
  width: 54px;
  height: 54px;
  border-radius: 16px;
  background: rgba(13, 90, 229, 0.1);
  color: var(--primary-color);
  display: grid;
  place-items: center;
  font-size: 24px;
}

.icon-circle.secondary {
  background: rgba(13, 177, 139, 0.12);
  color: var(--secondary-color);
}

.icon-circle.accent {
  background: rgba(255, 176, 46, 0.16);
  color: var(--accent-dark);
}

/* ==========================================================================
   复合板块
   ========================================================================== */

.media-block {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: var(--space-6);
  align-items: center;
}

.media-block.reverse {
  grid-template-columns: 1fr 1.1fr;
}

.media-block .media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.media-block .media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(9, 24, 64, 0.0), rgba(9, 24, 64, 0.35));
}

.media-block .content {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.media-block .content p {
  margin: 0;
  font-size: 15px;
  color: var(--muted-color);
}

.checklist {
  display: grid;
  gap: var(--space-3);
}

.checklist li {
  position: relative;
  padding-left: 32px;
  color: var(--text-color);
  font-weight: 500;
}

.checklist li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%23fff' viewBox='0 0 20 20'%3E%3Cpath d='M16.707 5.293a1 1 0 010 1.414l-7.071 7.07a1 1 0 01-1.415 0L3.293 9.85a1 1 0 111.414-1.414l3.1 3.1 6.364-6.364a1 1 0 011.536.121z'/%3E%3C/svg%3E") center/12px 12px no-repeat;
  mask-repeat: no-repeat;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-4);
}

.stat-card {
  padding: var(--space-4);
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(13, 90, 229, 0.12);
  box-shadow: 0 12px 25px rgba(13, 90, 229, 0.08);
  text-align: center;
}

.stat-card h3 {
  font-size: 32px;
  margin-bottom: var(--space-2);
  color: var(--primary-color);
}

.stat-card span {
  font-size: 14px;
  color: var(--muted-color);
}

.process-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-4);
}

.process-item {
  position: relative;
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid rgba(13, 90, 229, 0.12);
}

.process-item::after {
  content: attr(data-step);
  position: absolute;
  top: -16px;
  left: var(--space-4);
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  color: #fff;
  font-size: 18px;
  font-weight: 600;
  display: grid;
  place-items: center;
  box-shadow: var(--shadow-sm);
}

.process-item p {
  margin: 0;
  color: var(--muted-color);
}

.timeline {
  position: relative;
  padding-left: 32px;
  display: grid;
  gap: var(--space-4);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 10px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, rgba(13, 90, 229, 0.4), rgba(13, 177, 139, 0.4));
}

.timeline-item {
  position: relative;
  padding: var(--space-4);
  border-radius: var(--radius-md);
  background: #fff;
  border: 1px solid rgba(13, 90, 229, 0.12);
  box-shadow: 0 6px 18px rgba(15, 35, 95, 0.08);
}

.timeline-item::before {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  left: -32px;
  top: 22px;
}

.table-board {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  overflow: hidden;
  border-radius: var(--radius-lg);
  box-shadow: 0 12px 28px rgba(15, 35, 95, 0.08);
}

.table-board thead {
  background: linear-gradient(135deg, rgba(13, 90, 229, 0.12), rgba(13, 177, 139, 0.12));
}

.table-board th,
.table-board td {
  padding: 16px 20px;
  text-align: left;
  font-size: 15px;
}

.table-board tbody tr:nth-child(every) {
  background: #fff;
}

.table-board tbody tr:nth-child(2n) {
  background: rgba(240, 244, 252, 0.6);
}

/* ==========================================================================
   列表与亮点
   ========================================================================== */

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
}

.feature-card {
  padding: var(--space-4);
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: 0 12px 28px rgba(15, 35, 95, 0.08);
  border: 1px solid rgba(13, 90, 229, 0.12);
}

.feature-card h4 {
  margin-bottom: var(--space-2);
}

.feature-card p {
  margin: 0;
  color: var(--muted-color);
}

.logo-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: var(--space-3);
  align-items: center;
}

.logo-card {
  padding: 18px;
  background: #fff;
  border-radius: var(--radius-md);
  border: 1px solid rgba(116, 136, 182, 0.18);
  display: grid;
  place-items: center;
  transition: var(--transition);
}

.logo-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 22px rgba(13, 90, 229, 0.12);
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
}

.case-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.case-card img {
  width: 100%;
  height: 240px;
  object-fit: cover;
}

.case-card .case-info {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-4);
  background: linear-gradient(180deg, rgba(8, 20, 66, 0.1), rgba(8, 20, 66, 0.75));
  color: #fff;
}

.case-card .case-info h4 {
  color: #fff;
  margin-bottom: 6px;
}

.case-card .case-info span {
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.85;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
}

.news-card {
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(13, 90, 229, 0.12);
  background: #fff;
  box-shadow: 0 16px 35px rgba(15, 35, 95, 0.1);
}

.news-card img {
  height: 220px;
  object-fit: cover;
}

.news-card .body {
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.news-card h4 {
  margin: 0;
  font-size: 20px;
}

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

.news-card .meta {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 13px;
  color: var(--muted-color);
}

.tag {
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(13, 90, 229, 0.12);
  color: var(--primary-color);
  font-weight: 600;
  font-size: 13px;
}

.solutions-strip {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  background: #fff;
  padding: var(--space-4);
  border-radius: var(--radius-xl);
  box-shadow: 0 18px 40px rgba(13, 90, 229, 0.08);
  border: 1px solid rgba(13, 90, 229, 0.1);
}

.link-card {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(16, 45, 104, 0.08);
  background: linear-gradient(135deg, rgba(13, 90, 229, 0.06), rgba(13, 177, 139, 0.06));
  transition: var(--transition);
  color: var(--heading-color);
}

.link-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 32px rgba(13, 90, 229, 0.16);
  border-color: rgba(13, 90, 229, 0.35);
  text-decoration: none;
}

.link-card .icon-badge {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-size: 22px;
  background: rgba(13, 90, 229, 0.1);
  color: var(--primary-color);
  flex-shrink: 0;
}

.link-card h4 {
  font-size: 18px;
  margin: 0 0 4px;
}

.link-card p {
  margin: 0;
  color: var(--muted-color);
  font-size: 14px;
}

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
}

.testimonial-card {
  position: relative;
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(13, 90, 229, 0.08), rgba(13, 177, 139, 0.08));
  border: 1px solid rgba(13, 90, 229, 0.12);
  box-shadow: 0 16px 35px rgba(15, 35, 95, 0.12);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.testimonial-card::before {
  content: '“';
  position: absolute;
  top: 16px;
  left: 24px;
  font-size: 52px;
  color: rgba(13, 90, 229, 0.25);
  font-family: serif;
}

.testimonial-card .quote {
  margin: var(--space-3) 0 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-color);
}

.testimonial-card .author {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.testimonial-card .author strong {
  font-size: 16px;
  color: var(--heading-color);
}

.testimonial-card .author span {
  font-size: 13px;
  color: var(--muted-color);
}

.cta-banner {
  position: relative;
  padding: var(--space-6);
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, rgba(13, 90, 229, 0.94), rgba(13, 177, 139, 0.94));
  color: #fff;
  box-shadow: 0 28px 70px rgba(13, 90, 229, 0.35);
  overflow: hidden;
}

.cta-banner::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(255, 181, 73, 0.55), transparent 55%);
  pointer-events: none;
}

.cta-banner .cta-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.cta-banner h3 {
  color: #fff;
  margin: 0;
}

.cta-banner p {
  margin: 0;
  color: rgba(255, 255, 255, 0.85);
}

/* ==========================================================================
   子页面结构
   ========================================================================== */

.page-hero {
  position: relative;
  padding: calc(var(--nav-height) + 60px) 0 var(--space-7);
  background: linear-gradient(135deg, rgba(13, 90, 229, 0.92), rgba(13, 177, 139, 0.85));
  color: #fff;
  overflow: hidden;
}

.page-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: var(--hero-image, none);
  background-size: cover;
  background-position: center;
  opacity: 0.25;
}

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

.page-hero h1 {
  color: #fff;
}

.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: var(--space-3);
}

.breadcrumbs a {
  color: rgba(255, 255, 255, 0.85);
}

.page-summary {
  max-width: 680px;
  color: rgba(255, 255, 255, 0.88);
  font-size: 17px;
}

.page-wrapper {
  position: relative;
  margin-top: calc(var(--space-7) * -0.6);
}

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

.page-shell {
  padding: var(--space-6);
  background: #fff;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(16, 45, 104, 0.1);
}

.content-columns {
  display: grid;
  grid-template-columns: 0.65fr 0.35fr;
  gap: var(--space-5);
}

.content-card {
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(16, 45, 104, 0.08);
  background: #fff;
  box-shadow: 0 12px 24px rgba(15, 35, 95, 0.08);
}

.content-card h3 {
  margin-bottom: var(--space-2);
}

.content-card ul {
  display: grid;
  gap: var(--space-2);
  padding-left: 20px;
  list-style: disc;
  color: var(--muted-color);
}

.side-card {
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(13, 90, 229, 0.12);
  background: linear-gradient(135deg, rgba(13, 90, 229, 0.08), rgba(13, 177, 139, 0.12));
  color: var(--heading-color);
}

.side-card h4 {
  margin-bottom: var(--space-2);
}

.highlights {
  display: grid;
  gap: var(--space-3);
}

.highlights li {
  position: relative;
  padding-left: 36px;
  color: var(--text-color);
}

.highlights li::before {
  content: '●';
  position: absolute;
  left: 0;
  font-size: 10px;
  top: 6px;
  color: var(--secondary-color);
}

.service-matrix {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
}

.service-card {
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  background: #fff;
  border: 1px solid rgba(13, 90, 229, 0.1);
  box-shadow: 0 12px 28px rgba(15, 35, 95, 0.08);
}

.service-card h4 {
  margin-bottom: var(--space-2);
}

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

.team-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-4);
}

.team-card {
  padding: var(--space-4);
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(16, 45, 104, 0.1);
  text-align: center;
  box-shadow: 0 14px 32px rgba(9, 20, 66, 0.1);
}

.team-card img {
  width: 92px;
  height: 92px;
  border-radius: 50%;
  margin: 0 auto var(--space-3);
  object-fit: cover;
  border: 4px solid rgba(13, 90, 229, 0.18);
}

.team-card span {
  display: block;
  color: var(--muted-color);
  font-size: 14px;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
}

.contact-card {
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(16, 45, 104, 0.08);
  background: #fff;
  box-shadow: 0 12px 28px rgba(15, 35, 95, 0.08);
}

.contact-card p {
  margin: 0;
  color: var(--muted-color);
}

.contact-card .small {
  font-size: 13px;
  color: var(--muted-color);
}

.form-card {
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(13, 90, 229, 0.12);
  background: #fff;
  box-shadow: 0 16px 40px rgba(15, 35, 95, 0.12);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: var(--space-3);
}

.form-group label {
  font-weight: 600;
  color: var(--heading-color);
}

.form-control,
textarea.form-control {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(16, 45, 104, 0.18);
  background: #fff;
  font-size: 15px;
  font-family: inherit;
  resize: vertical;
  min-height: 46px;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 4px rgba(13, 90, 229, 0.15);
}

/* ==========================================================================
   页脚
   ========================================================================== */

footer {
  background: #0b1d45;
  color: rgba(255, 255, 255, 0.86);
  padding: var(--space-8) 0 var(--space-5);
}

.footer-content {
  display: grid;
  grid-template-columns: 1.2fr repeat(3, minmax(0, 1fr));
  gap: var(--space-5);
  margin-bottom: var(--space-6);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-brand h4 {
  color: #fff;
}

.footer-brand p {
  margin: 0;
  color: rgba(255, 255, 255, 0.7);
}

.footer-section h4 {
  font-size: 16px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #fff;
  margin-bottom: var(--space-3);
}

.footer-section ul {
  display: grid;
  gap: 10px;
}

.footer-section a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
}

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

.footer-divider {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: var(--space-3);
  text-align: center;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
}

/* ==========================================================================
   工具类
   ========================================================================== */

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

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

.text-muted {
  color: var(--muted-color);
}

.highlight {
  color: var(--primary-color);
}

.bg-white {
  background: #fff;
}

.rounded {
  border-radius: var(--radius-md);
}

.shadow {
  box-shadow: var(--shadow-sm);
}

.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: var(--space-2) !important; }
.mt-2 { margin-top: var(--space-3) !important; }
.mt-3 { margin-top: var(--space-4) !important; }
.mt-4 { margin-top: var(--space-5) !important; }
.mt-5 { margin-top: var(--space-6) !important; }

.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: var(--space-2) !important; }
.mb-2 { margin-bottom: var(--space-3) !important; }
.mb-3 { margin-bottom: var(--space-4) !important; }
.mb-4 { margin-bottom: var(--space-5) !important; }
.mb-5 { margin-bottom: var(--space-6) !important; }

.pt-0 { padding-top: 0 !important; }
.pt-1 { padding-top: var(--space-2) !important; }
.pt-2 { padding-top: var(--space-3) !important; }
.pt-3 { padding-top: var(--space-4) !important; }
.pt-4 { padding-top: var(--space-5) !important; }
.pt-5 { padding-top: var(--space-6) !important; }

.pb-0 { padding-bottom: 0 !important; }
.pb-1 { padding-bottom: var(--space-2) !important; }
.pb-2 { padding-bottom: var(--space-3) !important; }
.pb-3 { padding-bottom: var(--space-4) !important; }
.pb-4 { padding-bottom: var(--space-5) !important; }
.pb-5 { padding-bottom: var(--space-6) !important; }

.hidden {
  display: none !important;
}

.divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, rgba(13, 90, 229, 0.08), rgba(13, 177, 139, 0.08));
  margin: var(--space-4) 0;
}

/* ==========================================================================
   响应式布局
   ========================================================================== */

@media (max-width: 1200px) {
  .navbar-menu {
    gap: var(--space-2);
  }

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

  .hero-media {
    max-width: 580px;
    margin: 0 auto;
  }

  .logo-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 992px) {
  .navbar-toggle {
    display: inline-flex;
  }

  .navbar-menu {
    position: absolute;
    top: calc(100% + 12px);
    right: var(--space-4);
    left: var(--space-4);
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
    padding: var(--space-3);
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(16, 45, 104, 0.1);
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-12px);
  }

  .navbar.mobile-active .navbar-menu {
    max-height: 600px;
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .navbar-cta {
    width: 100%;
    justify-content: center;
  }

  .dropdown-menu {
    position: static;
    width: 100%;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    padding: 0;
  }

  .dropdown-item {
    padding-left: 14px;
  }

  .dropdown-toggle::after {
    display: none;
  }

  .grid-3,
  .grid-4,
  .feature-grid,
  .service-matrix,
  .case-grid,
  .news-grid,
  .stat-grid,
  .process-strip,
  .contact-grid,
  .team-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .media-block,
  .media-block.reverse {
    grid-template-columns: 1fr;
  }

  .page-shell {
    padding: var(--space-5);
  }

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

  .testimonial-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  section {
    padding: var(--space-6) 0;
  }

  .container {
    padding: 0 var(--space-3);
  }

  .hero {
    padding: calc(var(--nav-height) + 24px) 0 var(--space-7);
  }

  .hero-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .logo-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .case-card img {
    height: 200px;
  }

  .page-shell {
    padding: var(--space-4);
  }

  .solutions-strip {
    padding: var(--space-3);
  }
}

@media (max-width: 576px) {
  body {
    font-size: 15px;
  }

  .navbar-container {
    padding: 0 var(--space-3);
  }

  .navbar-logo span.icon {
    display: none;
  }

  .hero-stats {
    grid-template-columns: 1fr;
  }

  .grid-2,
  .grid-3,
  .grid-4,
  .feature-grid,
  .service-matrix,
  .case-grid,
  .news-grid,
  .stat-grid,
  .process-strip,
  .contact-grid,
  .team-grid,
  .logo-grid,
  .testimonial-grid {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    width: 100%;
  }

  .btn,
  .navbar-cta {
    width: 100%;
    justify-content: center;
  }

  .page-shell {
    padding: var(--space-3);
  }

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

  footer {
    padding-bottom: var(--space-4);
  }

  .footer-content {
    grid-template-columns: 1fr;
  }
}