/* ===========================
   福展国际物流 - 企业官网样式
   设计风格：简约大气
   =========================== */

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

:root {
  --primary: #0a2540;
  --primary-light: #1a3a5c;
  --accent: #0077b6;
  --accent-light: #00b4d8;
  --accent-gradient: linear-gradient(135deg, #0077b6, #00b4d8);
  --text-dark: #1a1a2e;
  --text-body: #4a5568;
  --text-light: #8a94a6;
  --bg-white: #ffffff;
  --bg-light: #f7f9fc;
  --bg-gray: #eef2f7;
  --border: #e2e8f0;
  --shadow-sm: 0 2px 8px rgba(10, 37, 64, 0.06);
  --shadow-md: 0 8px 24px rgba(10, 37, 64, 0.1);
  --shadow-lg: 0 16px 48px rgba(10, 37, 64, 0.15);
  --radius: 12px;
  --radius-lg: 20px;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1200px;
  --nav-height: 72px;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text-body);
  background: var(--bg-white);
  line-height: 1.7;
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

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

.section {
  padding: 100px 0;
}

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

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

.section-title {
  text-align: center;
  margin-bottom: 60px;
}

.section-title h2 {
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--text-dark);
  letter-spacing: 1px;
  margin-bottom: 16px;
}

.section-title p {
  font-size: 1.1rem;
  color: var(--text-light);
}

.section-title .accent-line {
  display: inline-block;
  width: 60px;
  height: 4px;
  background: var(--accent-gradient);
  border-radius: 2px;
  margin-top: 12px;
}

.section-dark .section-title h2 {
  color: #fff;
}

.section-dark .section-title p {
  color: rgba(255, 255, 255, 0.7);
}

/* --- Navbar --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 1000;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--primary);
}

.logo-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: transparent;
  flex-shrink: 0;
}

.logo-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.logo-img {
  height: 48px;
  width: auto;
  display: block;
  max-width: 200px;
  object-fit: contain;
  transition: transform 0.3s ease;
}

.logo:hover .logo-img {
  transform: scale(1.02);
}

@media (max-width: 768px) {
  .logo-img {
    height: 40px;
    max-width: 160px;
  }

  .logo-icon {
    width: 36px;
    height: 36px;
  }
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo-text .cn {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary);
}

.logo-text .en {
  font-size: 0.65rem;
  letter-spacing: 2px;
  color: var(--text-light);
  text-transform: uppercase;
}

.nav-menu {
  display: flex;
  gap: 8px;
  align-items: center;
}

.nav-menu a {
  padding: 8px 18px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-dark);
  border-radius: 8px;
  position: relative;
  transition: all var(--transition);
}

.nav-menu a::after {
  content: "";
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--accent-light);
  border-radius: 1px;
  transition: width var(--transition);
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--accent);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
  width: 24px;
}

.nav-cta {
  background: var(--accent-gradient);
  color: #fff !important;
  padding: 10px 24px !important;
  border-radius: 8px;
  font-weight: 600;
}

.nav-cta::after {
  display: none;
}

.nav-cta:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--primary);
  border-radius: 1px;
  transition: all var(--transition);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #0a2540 0%, #0d3b5c 50%, #0077b6 100%);
  overflow: hidden;
  padding-top: var(--nav-height);
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 900'%3E%3Cdefs%3E%3ClinearGradient id='g' x1='0' y1='0' x2='1' y2='1'%3E%3Cstop offset='0' stop-color='%2300b4d8' stop-opacity='0.15'/%3E%3Cstop offset='1' stop-color='%230077b6' stop-opacity='0.05'/%3E%3C/linearGradient%3E%3C/defs%3E%3Cpath d='M0,600 Q360,500 720,580 T1440,520 L1440,900 L0,900 Z' fill='url(%23g)'/%3E%3Cpath d='M0,700 Q360,620 720,680 T1440,640 L1440,900 L0,900 Z' fill='%2300b4d8' fill-opacity='0.08'/%3E%3C/svg%3E") no-repeat bottom center;
  background-size: cover;
}

.hero-content {
  position: relative;
  z-index: 2;
  color: #fff;
  max-width: 680px;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50px;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 24px;
  backdrop-filter: blur(8px);
}

.hero-tag::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-light);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: 2px;
}

.hero h1 .highlight {
  background: linear-gradient(135deg, #00b4d8, #48cae4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 36px;
  max-width: 520px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #fff;
  box-shadow: 0 4px 16px rgba(0, 119, 182, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 119, 182, 0.5);
}

.btn-outline {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

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

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

/* Hero floating cards */
.hero-stats {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 20px;
  z-index: 2;
}

.hero-stat-card {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  padding: 24px 32px;
  min-width: 200px;
  transition: all var(--transition);
}

.hero-stat-card:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateX(-8px);
}

.hero-stat-card .number {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--accent-light);
  line-height: 1;
}

.hero-stat-card .label {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 6px;
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.8rem;
  text-align: center;
  animation: bounce 2s infinite;
}

.scroll-indicator .arrow {
  display: block;
  margin: 4px auto 0;
  width: 20px;
  height: 20px;
  border-right: 2px solid rgba(255, 255, 255, 0.4);
  border-bottom: 2px solid rgba(255, 255, 255, 0.4);
  transform: rotate(45deg);
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* --- Page Banner (sub-pages) --- */
.page-banner {
  background: linear-gradient(135deg, #0a2540 0%, #0d3b5c 60%, #0077b6 100%);
  padding: calc(var(--nav-height) + 80px) 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-banner::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 400'%3E%3Cpath d='M0,300 Q360,260 720,290 T1440,270 L1440,400 L0,400 Z' fill='%2300b4d8' fill-opacity='0.06'/%3E%3C/svg%3E") no-repeat bottom center;
  background-size: cover;
}

.page-banner h1 {
  position: relative;
  font-size: 2.8rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}

.page-banner .breadcrumb {
  position: relative;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
}

.page-banner .breadcrumb a:hover {
  color: #fff;
}

/* --- Services Grid (Homepage) --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.service-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--accent-gradient);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(0, 119, 182, 0.1), rgba(0, 180, 216, 0.1));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  transition: all var(--transition);
}

.service-card:hover .service-icon {
  background: var(--accent-gradient);
}

.service-icon svg {
  width: 32px;
  height: 32px;
  stroke: var(--accent);
  transition: stroke var(--transition);
}

.service-card:hover .service-icon svg {
  stroke: #fff;
}

.service-card h3 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 12px;
}

.service-card p {
  font-size: 0.95rem;
  color: var(--text-body);
  margin-bottom: 20px;
}

.service-card .features {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.service-card .features li {
  font-size: 0.88rem;
  color: var(--text-light);
  display: flex;
  align-items: center;
  gap: 8px;
}

.service-card .features li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-light);
  flex-shrink: 0;
}

/* --- Advantages Section --- */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.advantage-item {
  text-align: center;
  padding: 32px 20px;
  border-radius: var(--radius);
  transition: all var(--transition);
}

.advantage-item:hover {
  background: var(--bg-white);
  box-shadow: var(--shadow-md);
}

.advantage-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: rgba(0, 119, 182, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.advantage-item:hover .advantage-icon {
  background: var(--accent-gradient);
  transform: scale(1.1);
}

.advantage-icon svg {
  width: 32px;
  height: 32px;
  stroke: var(--accent);
  transition: stroke var(--transition);
}

.advantage-item:hover .advantage-icon svg {
  stroke: #fff;
}

.advantage-item h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.advantage-item p {
  font-size: 0.88rem;
  color: var(--text-light);
}

/* --- Stats Counter --- */
.stats-section {
  background: var(--primary);
  padding: 80px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  text-align: center;
}

.stat-item .number {
  font-size: 3rem;
  font-weight: 800;
  color: var(--accent-light);
  line-height: 1;
}

.stat-item .number .suffix {
  font-size: 1.4rem;
  color: rgba(255, 255, 255, 0.6);
}

.stat-item .label {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 12px;
}

/* --- About Page --- */
.about-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-text h2 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 20px;
}

.about-text p {
  font-size: 1rem;
  color: var(--text-body);
  margin-bottom: 16px;
}

.about-visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 420px;
  background: linear-gradient(135deg, #0a2540, #0077b6);
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 800 600'%3E%3Cdefs%3E%3CradialGradient id='g' cx='50%25' cy='50%25'%3E%3Cstop offset='0' stop-color='%2300b4d8' stop-opacity='0.3'/%3E%3Cstop offset='1' stop-color='%2300b4d8' stop-opacity='0'/%3E%3C/radialGradient%3E%3C/defs%3E%3Ccircle cx='400' cy='300' r='250' fill='url(%23g)'/%3E%3Cpath d='M100,400 Q300,350 500,380 T800,360' stroke='%2348cae4' stroke-width='2' fill='none' opacity='0.2'/%3E%3Cpath d='M100,450 Q300,400 500,430 T800,410' stroke='%2348cae4' stroke-width='2' fill='none' opacity='0.15'/%3E%3Cpath d='M100,500 Q300,450 500,480 T800,460' stroke='%2348cae4' stroke-width='2' fill='none' opacity='0.1'/%3E%3C/svg%3E") center / cover;
}

.about-visual-content {
  position: relative;
  text-align: center;
  color: #fff;
}

.about-visual-content .big-number {
  font-size: 5rem;
  font-weight: 800;
  line-height: 1;
  background: linear-gradient(135deg, #48cae4, #90e0ef);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.about-visual-content .big-label {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.8);
  margin-top: 8px;
}

/* Timeline */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding: 20px 0;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(var(--accent), var(--accent-light));
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  width: 50%;
  padding: 20px 40px;
}

.timeline-item:nth-child(odd) {
  left: 0;
  text-align: right;
}

.timeline-item:nth-child(even) {
  left: 50%;
}

.timeline-item::before {
  content: "";
  position: absolute;
  top: 28px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--accent-light);
  border: 3px solid #fff;
  box-shadow: 0 0 0 3px var(--accent);
  z-index: 1;
}

.timeline-item:nth-child(odd)::before {
  right: -8px;
}

.timeline-item:nth-child(even)::before {
  left: -8px;
}

.timeline-content {
  background: var(--bg-white);
  padding: 24px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}

.timeline-content:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.timeline-content .year {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 8px;
}

.timeline-content h4 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 6px;
}

.timeline-content p {
  font-size: 0.88rem;
  color: var(--text-light);
}

/* Values Cards */
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.value-card {
  text-align: center;
  padding: 40px 28px;
  border-radius: var(--radius-lg);
  background: var(--bg-white);
  border: 1px solid var(--border);
  transition: all var(--transition);
}

.value-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-light);
}

.value-card .icon-circle {
  width: 80px;
  height: 80px;
  margin: 0 auto 24px;
  border-radius: 50%;
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
}

.value-card h4 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 12px;
}

.value-card p {
  font-size: 0.92rem;
  color: var(--text-body);
}

/* --- Services Page --- */
.service-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-bottom: 100px;
}

.service-detail:last-child {
  margin-bottom: 0;
}

.service-detail:nth-child(even) .service-detail-visual {
  order: -1;
}

.service-detail-text h3 {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 16px;
}

.service-detail-text p {
  font-size: 1rem;
  color: var(--text-body);
  margin-bottom: 20px;
}

.service-detail-text ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.service-detail-text ul li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--text-body);
}

.service-detail-text ul li .check {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent-gradient);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  flex-shrink: 0;
  margin-top: 3px;
}

.service-detail-visual {
  border-radius: var(--radius-lg);
  min-height: 360px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.service-detail-visual.sea {
  background: linear-gradient(135deg, #0077b6, #00b4d8, #48cae4);
}

.service-detail-visual.air {
  background: linear-gradient(135deg, #0a2540, #1a3a5c, #0077b6);
}

.service-detail-visual.land {
  background: linear-gradient(135deg, #1a3a5c, #0077b6, #00b4d8);
}

.service-detail-visual .big-icon {
  width: 120px;
  height: 120px;
  opacity: 0.9;
}

.service-detail-visual .big-icon svg {
  width: 100%;
  height: 100%;
  stroke: rgba(255, 255, 255, 0.8);
  stroke-width: 1.5;
}

.service-detail-visual .floating-tag {
  position: absolute;
  bottom: 24px;
  left: 24px;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 12px;
  padding: 12px 20px;
  color: #fff;
  font-size: 0.9rem;
  font-weight: 600;
}

/* Process Section */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}

.process-step {
  text-align: center;
  position: relative;
  padding: 32px 20px;
}

.process-step .step-number {
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: var(--bg-white);
  border: 2px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--accent);
  position: relative;
  z-index: 2;
  transition: all var(--transition);
}

.process-step:hover .step-number {
  background: var(--accent-gradient);
  color: #fff;
  transform: scale(1.1);
}

.process-step h4 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.process-step p {
  font-size: 0.85rem;
  color: var(--text-light);
}

/* --- Contact Page --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 50px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-info-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 24px;
  background: var(--bg-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: all var(--transition);
}

.contact-info-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateX(4px);
}

.contact-info-item .icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(0, 119, 182, 0.1), rgba(0, 180, 216, 0.1));
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-info-item .icon svg {
  width: 24px;
  height: 24px;
  stroke: var(--accent);
}

.contact-info-item .text h4 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-light);
  margin-bottom: 4px;
}

.contact-info-item .text p {
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--text-dark);
}

/* Contact Form */
.contact-form {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
}

.contact-form h3 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 28px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.form-group label .required {
  color: #e53e3e;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--border);
  border-radius: 10px;
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--text-dark);
  background: var(--bg-light);
  transition: all var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(0, 119, 182, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

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

.form-success {
  display: none;
  text-align: center;
  padding: 40px 20px;
}

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

.form-success .check-circle {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: linear-gradient(135deg, #00b4d8, #48cae4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: #fff;
}

.form-success h3 {
  color: var(--text-dark);
}

.form-success p {
  color: var(--text-light);
  margin-top: 8px;
}

/* Map */
.map-section {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  margin-top: 60px;
}

.map-placeholder {
  width: 100%;
  height: 400px;
  background: linear-gradient(135deg, #0a2540, #0077b6);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.map-placeholder::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 400'%3E%3Cg opacity='0.1' stroke='%23fff' fill='none'%3E%3Cpath d='M0,200 L1200,200' stroke-width='1'/%3E%3Cpath d='M0,100 L1200,100' stroke-width='1'/%3E%3Cpath d='M0,300 L1200,300' stroke-width='1'/%3E%3Cpath d='M200,0 L200,400' stroke-width='1'/%3E%3Cpath d='M400,0 L400,400' stroke-width='1'/%3E%3Cpath d='M600,0 L600,400' stroke-width='1'/%3E%3Cpath d='M800,0 L800,400' stroke-width='1'/%3E%3Cpath d='M1000,0 L1000,400' stroke-width='1'/%3E%3C/g%3E%3Ccircle cx='600' cy='200' r='30' fill='%2300b4d8' fill-opacity='0.3'/%3E%3Ccircle cx='600' cy='200' r='60' fill='none' stroke='%2300b4d8' stroke-width='2' opacity='0.2'/%3E%3Ccircle cx='600' cy='200' r='90' fill='none' stroke='%2300b4d8' stroke-width='1' opacity='0.1'/%3E%3C/svg%3E") center / cover;
}

.map-pin {
  position: relative;
  text-align: center;
  color: #fff;
}

.map-pin svg {
  width: 48px;
  height: 48px;
  fill: var(--accent-light);
  margin: 0 auto 8px;
}

.map-pin p {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.8);
}

/* --- CTA Section --- */
.cta-section {
  background: linear-gradient(135deg, #0a2540, #0077b6);
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 400'%3E%3Cpath d='M0,300 Q360,260 720,290 T1440,270 L1440,400 L0,400 Z' fill='%2300b4d8' fill-opacity='0.08'/%3E%3C/svg%3E") bottom / cover no-repeat;
}

.cta-section h2 {
  position: relative;
  font-size: 2.2rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}

.cta-section p {
  position: relative;
  color: rgba(255, 255, 255, 0.7);
  font-size: 1.05rem;
  margin-bottom: 32px;
}

/* --- Footer --- */
.footer {
  background: var(--primary);
  color: rgba(255, 255, 255, 0.7);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

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

.footer-brand .logo-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
}

.footer-brand .logo-img {
  height: 64px;
  max-width: 260px;
  filter: brightness(1.1);
}

.footer-brand .logo .cn {
  color: #fff;
}

.footer-brand p {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.5);
  max-width: 300px;
}

.footer-col h4 {
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 20px;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col ul a {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.5);
  transition: all var(--transition);
}

.footer-col ul a:hover {
  color: var(--accent-light);
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.4);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.5);
}

.footer-bottom a:hover {
  color: var(--accent-light);
}

/* --- Scroll Reveal Animation --- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* --- Responsive --- */
@media (max-width: 1024px) {
  .hero h1 { font-size: 2.8rem; }
  .hero-stats { display: none; }
  .advantages-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    width: 100%;
    background: #fff;
    flex-direction: column;
    padding: 20px;
    gap: 4px;
    box-shadow: var(--shadow-md);
    transform: translateY(-150%);
    transition: transform var(--transition);
  }

  .nav-menu.active {
    transform: translateY(0);
  }

  .nav-menu a {
    width: 100%;
    padding: 12px 16px;
  }

  .nav-cta {
    text-align: center;
    margin-top: 8px;
  }

  .nav-toggle {
    display: flex;
  }

  .hero h1 { font-size: 2.2rem; }
  .hero p { font-size: 1rem; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }

  .section { padding: 60px 0; }
  .section-title h2 { font-size: 1.8rem; }

  .services-grid,
  .values-grid { grid-template-columns: 1fr; }

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

  .about-intro,
  .service-detail,
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }

  .service-detail:nth-child(even) .service-detail-visual { order: 0; }

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

  .timeline::before { left: 20px; }
  .timeline-item { width: 100%; left: 0 !important; text-align: left !important; padding-left: 50px; padding-right: 0; }
  .timeline-item::before { left: 12px !important; right: auto !important; }

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

  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }

  .page-banner h1 { font-size: 2rem; }
  .cta-section h2 { font-size: 1.6rem; }
}

@media (max-width: 480px) {
  .advantages-grid,
  .stats-grid,
  .process-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 1.8rem; }
}
