/* ===== 麦微云 - 白红金科技风格 CSS ===== */
:root {
  --bg-primary: #ffffff;
  --bg-secondary: #fafafa;
  --bg-card: rgba(255, 255, 255, 0.9);
  --bg-card-hover: #ffffff;
  --primary: #dc2626;
  --primary-light: #ef4444;
  --primary-dark: #991b1b;
  --accent: #f59e0b;
  --accent-light: #fbbf24;
  --accent-dark: #d97706;
  --gradient-primary: linear-gradient(135deg, #991b1b 0%, #dc2626 45%, #f97316 100%);
  --gradient-text: linear-gradient(135deg, #dc2626 0%, #ef4444 40%, #f59e0b 100%);
  --gradient-hero: linear-gradient(135deg, #fff5f5 0%, #fff 40%, #fffbeb 100%);
  --text-primary: #1f2937;
  --text-secondary: #6b7280;
  --text-muted: #9ca3af;
  --border: rgba(0, 0, 0, 0.08);
  --border-light: rgba(0, 0, 0, 0.04);
  --glow-primary: 0 0 30px rgba(220, 38, 38, 0.15);
  --glow-accent: 0 0 30px rgba(245, 158, 11, 0.15);
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.06);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 28px rgba(0,0,0,0.1);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-sans);
  color: var(--text-primary);
  background: var(--bg-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  position: relative;
}

/* 全局淡红网格背景 */
body::before {
  content: '';
  position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  background-image:
    linear-gradient(rgba(220, 38, 38, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(220, 38, 38, 0.025) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none; z-index: 0;
}

/* 全局顶部红色光晕 */
body::after {
  content: '';
  position: fixed; top: -15%; left: 50%;
  transform: translateX(-50%);
  width: 900px; height: 600px;
  background: radial-gradient(ellipse, rgba(220, 38, 38, 0.06) 0%, transparent 70%);
  pointer-events: none; z-index: 0;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
.container { max-width: 1440px; margin: 0 auto; padding: 0 20px; position: relative; z-index: 1; }

/* ===== 排版 ===== */
h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.2; color: var(--text-primary); }

.section-label {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 0.8rem; font-weight: 600; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--primary);
  margin-bottom: 20px; padding: 6px 16px;
  background: rgba(220, 38, 38, 0.06);
  border: 1px solid rgba(220, 38, 38, 0.15);
  border-radius: var(--radius-full);
}

.section-label::before {
  content: ''; width: 6px; height: 6px;
  background: var(--primary); border-radius: 50%;
  box-shadow: 0 0 8px rgba(220, 38, 38, 0.5);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.section-title {
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 800; letter-spacing: -0.02em;
  margin-bottom: 18px; line-height: 1.15;
}

.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

.section-subtitle {
  font-size: 1.05rem; color: var(--text-secondary);
  max-width: 620px; line-height: 1.8;
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px 32px; font-size: 0.95rem; font-weight: 600;
  border-radius: var(--radius-full); transition: var(--transition);
  white-space: nowrap; position: relative; overflow: hidden; cursor: pointer;
}

.btn-primary {
  background: var(--gradient-primary); color: #fff; border: none;
  box-shadow: 0 4px 18px rgba(220, 38, 38, 0.3);
}

.btn-primary::before {
  content: ''; position: absolute; top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.25), transparent);
  transition: left 0.6s ease;
}

.btn-primary:hover::before { left: 100%; }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 8px 28px rgba(220, 38, 38, 0.4); }

.btn-outline {
  background: transparent; color: var(--text-primary);
  border: 1.5px solid var(--border);
}

.btn-outline:hover {
  border-color: var(--primary);
  background: rgba(220, 38, 38, 0.04);
  color: var(--primary);
  box-shadow: var(--glow-primary);
  transform: translateY(-3px);
}

.btn svg { width: 18px; height: 18px; transition: transform 0.3s ease; }
.btn:hover svg { transform: translateX(4px); }

/* ===== 导航栏 ===== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 8px 0 28px 0; transition: var(--transition); background: transparent;
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 20px rgba(0,0,0,0.05);
  padding: 6px 0 18px 0;
}

.navbar .container { display: flex; align-items: center; justify-content: space-between; }

.logo {
  display: flex; align-items: center; gap: 12px;
  font-size: 1.4rem; font-weight: 800; color: var(--text-primary);
}

.logo-img {
  height: 96px; width: auto; display: block;
  object-fit: contain; transition: transform 0.3s ease;
}

.logo:hover .logo-img { transform: scale(1.03); }

.logo-text {
  font-size: 1.5rem; font-weight: 800;
  background: var(--gradient-text);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 1px;
}

.logo-icon {
  width: 38px; height: 38px; border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  background: var(--gradient-primary);
  font-size: 1.1rem; font-weight: 800; color: #fff;
  position: relative; overflow: hidden;
  box-shadow: 0 4px 12px rgba(220, 38, 38, 0.3);
}

.logo-icon::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, transparent 40%, rgba(255,255,255,0.3) 50%, transparent 60%);
  animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer { 0%, 100% { transform: translateX(-100%); } 50% { transform: translateX(100%); } }

.logo span { background: var(--gradient-text); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

.nav-links { display: flex; align-items: center; gap: 32px; }

.nav-links a {
  font-size: 0.9rem; font-weight: 700; color: var(--text-secondary);
  position: relative; padding: 4px 0; transition: var(--transition);
}

.nav-links a::after {
  content: ''; position: absolute; bottom: -4px; left: 50%;
  width: 0; height: 2px; background: var(--gradient-primary);
  border-radius: 2px; transition: all 0.3s ease; transform: translateX(-50%);
}

.nav-links a:hover { color: var(--primary); }
.nav-links a:hover::after { width: 100%; }

/* 下拉导航 */
.nav-links li.has-dropdown {
  position: relative;
  padding-bottom: 28px;
  margin-bottom: -28px;
}

.nav-links li.has-dropdown > a {
  display: flex; align-items: center; gap: 4px;
}

.nav-links li.has-dropdown > a::before {
  content: ''; display: inline-block; width: 0; height: 0;
  border-left: 4px solid transparent; border-right: 4px solid transparent;
  border-top: 5px solid currentColor; transition: transform 0.2s ease;
}

.nav-links li.has-dropdown:hover > a::before { transform: rotate(180deg); }

.dropdown {
  position: fixed; top: calc(var(--navbar-h, 74px) - 30px); left: 0; right: 0;
  width: 100%; padding: 10px 40px 28px;
  background: #fff;
  border-top: none;
  border-bottom: 1px solid var(--border);
  box-shadow: 0 20px 60px rgba(0,0,0,0.12);
  opacity: 0; visibility: hidden; pointer-events: none;
  z-index: 1001; margin-top: 0;
  transform: translateY(-8px);
  /* 显示快，隐藏带延迟 */
  transition: opacity 0.15s ease, transform 0.15s ease, visibility 0s linear 0.15s;
}

.nav-links li.has-dropdown:hover .dropdown {
  opacity: 1; visibility: visible; pointer-events: auto;
  transform: translateY(0);
  /* 悬停时立即显示，无延迟 */
  transition: opacity 0.12s ease, transform 0.12s ease, visibility 0s linear 0s;
}

.dropdown-inner {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
  max-width: 1440px; margin: 0 auto;
}

.dropdown.cols-3 .dropdown-inner {
  grid-template-columns: repeat(3, 1fr);
  max-width: 1100px;
}

.dropdown-item {
  display: flex; flex-direction: column; gap: 14px;
  padding: 20px; border-radius: var(--radius-md);
  text-decoration: none; transition: var(--transition);
  border: 1px solid transparent;
}

.dropdown-item:hover {
  background: linear-gradient(135deg, rgba(220, 38, 38, 0.04), rgba(245, 158, 11, 0.03));
  border-color: rgba(220, 38, 38, 0.12);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(220, 38, 38, 0.08);
}

.dropdown-item-img {
  width: 100%; height: 130px; border-radius: 10px; overflow: hidden;
  background: var(--bg-secondary);
}

.dropdown-item-img img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.5s ease;
}

.dropdown-item:hover .dropdown-item-img img { transform: scale(1.08); }

.dropdown-item-text h4 {
  font-size: 1.15rem; font-weight: 700; color: var(--text-primary);
  margin-bottom: 6px; transition: color 0.3s;
}

.dropdown-item:hover .dropdown-item-text h4 { color: var(--primary); }

.dropdown-item-text p {
  font-size: 0.85rem; color: var(--text-muted); line-height: 1.6;
  margin: 0;
}

/* 整站搜索 */
.nav-search {
  position: relative; display: flex; align-items: center;
}

.nav-search input {
  width: 200px; padding: 9px 16px 9px 38px;
  border: 1px solid var(--border); border-radius: 50px;
  font-size: 0.85rem; color: var(--text-primary);
  background: rgba(255,255,255,0.8);
  transition: all 0.3s ease; outline: none;
  font-family: inherit;
}

.nav-search input:focus {
  width: 260px; border-color: var(--primary);
  background: #fff; box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.08);
}

.nav-search input::placeholder { color: var(--text-muted); }

.nav-search button {
  position: absolute; left: 12px; top: 50%; transform: translateY(-50%);
  background: none; border: none; cursor: pointer;
  color: var(--text-muted); display: flex; align-items: center;
  padding: 0; transition: color 0.3s;
}

.nav-search button:hover { color: var(--primary); }

.nav-search button svg { width: 16px; height: 16px; }

.nav-cta { display: flex; align-items: center; gap: 16px; }

/* ===== 右侧悬浮导航栏 ===== */
.float-sidebar {
  position: fixed; right: 0; top: 50%; transform: translateY(-50%);
  z-index: 999; display: flex; flex-direction: column;
  background: rgba(255, 255, 255, 0.45);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(220, 38, 38, 0.12);
  border-right: none;
  border-radius: 12px 0 0 12px;
  box-shadow: -4px 8px 30px rgba(220, 38, 38, 0.06);
  overflow: hidden;
}

.float-sidebar-item {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  width: 60px; padding: 12px 6px; gap: 5px;
  text-decoration: none; color: rgba(100, 116, 139, 0.85);
  transition: all 0.3s ease; cursor: pointer;
  border-bottom: 1px solid rgba(220, 38, 38, 0.06);
  background: transparent;
  position: relative;
}

.float-sidebar-item:last-child { border-bottom: none; }

.float-sidebar-item::before {
  content: ''; position: absolute; left: 0; top: 50%; transform: translateY(-50%);
  width: 3px; height: 0; background: var(--gradient-primary);
  border-radius: 0 2px 2px 0; transition: height 0.3s ease;
}

.float-sidebar-item:hover {
  background: linear-gradient(135deg, rgba(220, 38, 38, 0.08), rgba(245, 158, 11, 0.05));
  color: var(--primary);
}

.float-sidebar-item:hover::before { height: 60%; }

.float-sidebar-item svg {
  width: 20px; height: 20px; flex-shrink: 0;
}

.float-sidebar-item span {
  font-size: 0.7rem; font-weight: 600; line-height: 1.2;
  text-align: center;
}

/* 悬浮弹窗 */
.float-popup {
  position: fixed; right: 80px; top: 50%; transform: translateY(-50%) translateX(20px);
  background: rgba(255, 255, 255, 0.95); backdrop-filter: blur(12px);
  border: 1px solid var(--border); border-radius: 12px;
  padding: 20px; box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
  z-index: 1000; opacity: 0; visibility: hidden;
  transition: all 0.3s ease; min-width: 220px;
}

.float-popup.show {
  opacity: 1; visibility: visible;
  transform: translateY(-50%) translateX(0);
}

.float-popup h4 {
  font-size: 0.95rem; font-weight: 700; color: var(--text-primary);
  margin-bottom: 10px; display: flex; align-items: center; gap: 8px;
}

.float-popup p {
  font-size: 0.85rem; color: var(--text-secondary); line-height: 1.6; margin: 0;
}

.float-popup .phone-number {
  font-size: 1.3rem; font-weight: 800; color: var(--primary);
  font-family: var(--font-mono); margin-top: 6px;
}

.float-popup .qr-code {
  width: 160px; height: 160px; margin: 10px auto 0;
  background: #fff; border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--border);
  overflow: hidden;
}

.float-popup .qr-code img {
  width: 100%; height: 100%; object-fit: contain;
  display: block;
}

.float-popup input, .float-popup textarea {
  width: 100%; padding: 8px 12px; margin-bottom: 8px;
  border: 1px solid var(--border); border-radius: 6px;
  font-size: 0.82rem; font-family: inherit; outline: none;
  background: #fff; transition: border-color 0.3s;
}

.float-popup input:focus, .float-popup textarea:focus { border-color: var(--primary); }

.float-popup textarea { resize: vertical; min-height: 60px; }

.float-popup button {
  width: 100%; padding: 8px; background: var(--gradient-primary);
  color: #fff; border: none; border-radius: 6px;
  font-size: 0.85rem; font-weight: 600; cursor: pointer;
  transition: transform 0.2s;
}

.float-popup button:hover { transform: translateY(-1px); }

.nav-phone {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.9rem; font-weight: 600; color: var(--primary);
  font-family: var(--font-mono);
}

.nav-phone svg { width: 16px; height: 16px; }

.mobile-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.mobile-toggle span { width: 24px; height: 2px; background: var(--text-primary); border-radius: 2px; transition: var(--transition); }

/* ===== Hero ===== */
.hero {
  position: relative; min-height: 90vh;
  display: flex; align-items: center;
  padding: 100px 0 60px; overflow: hidden;
  background: var(--gradient-hero);
}

.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background:
    radial-gradient(ellipse at 15% 40%, rgba(220, 38, 38, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 85% 70%, rgba(245, 158, 11, 0.05) 0%, transparent 50%);
}

.hero-canvas { position: absolute; inset: 0; z-index: 1; pointer-events: none; }

.hero .container {
  position: relative; z-index: 2;
  max-width: none;
  width: 100%;
  padding: 0 60px;
  display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center;
}

.hero-content { position: relative; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 20px; margin-bottom: 28px;
  background: rgba(220, 38, 38, 0.06);
  border: 1px solid rgba(220, 38, 38, 0.15);
  border-radius: var(--radius-full);
  font-size: 0.85rem; font-weight: 500; color: var(--primary);
  animation: fadeInUp 0.8s ease both;
}

.hero-badge .dot {
  width: 8px; height: 8px; background: var(--primary); border-radius: 50%;
  box-shadow: 0 0 10px rgba(220, 38, 38, 0.6); animation: pulse-dot 2s ease-in-out infinite;
}

.hero h1 {
  font-size: clamp(2.4rem, 4.2vw, 4rem);
  font-weight: 800; line-height: 1.15; letter-spacing: -0.02em;
  margin-bottom: 22px; color: var(--text-primary);
  animation: fadeInUp 0.8s ease 0.1s both;
}

.hero h1 .highlight {
  background: var(--gradient-text);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

.hero-desc {
  font-size: 1rem; color: var(--text-secondary); line-height: 1.8;
  margin-bottom: 32px; max-width: 540px;
  animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-actions {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  animation: fadeInUp 0.8s ease 0.3s both;
  margin-bottom: 28px;
}

.hero-trust {
  display: flex; align-items: center; gap: 32px; flex-wrap: wrap;
  animation: fadeInUp 0.8s ease 0.4s both;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.hero-trust-item {
  display: flex; align-items: center; gap: 10px;
}

.hero-trust-icon {
  width: 36px; height: 36px; border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  background: rgba(220, 38, 38, 0.06);
  border: 1px solid rgba(220, 38, 38, 0.12);
  color: var(--primary);
  flex-shrink: 0;
}

.hero-trust-icon svg { width: 18px; height: 18px; }

.hero-trust-text {
  display: flex; flex-direction: column;
}

.hero-trust-value {
  font-size: 1rem; font-weight: 800; color: var(--text-primary);
  font-family: var(--font-mono); line-height: 1.2;
}

.hero-trust-label {
  font-size: 0.7rem; color: var(--text-muted);
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Hero 数据面板 */
.hero-visual { position: relative; display: flex; justify-content: center; align-items: center; }

.hero-panel {
  position: relative; width: 100%; max-width: 560px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(20px);
  padding: 26px;
  box-shadow: var(--shadow-card), 0 0 50px rgba(220, 38, 38, 0.08);
  animation: float-panel 6s ease-in-out infinite;
}

@keyframes float-panel {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}

.hero-panel::before {
  content: ''; position: absolute; inset: -1px; border-radius: var(--radius-lg);
  background: var(--gradient-primary); z-index: -1; opacity: 0.2; filter: blur(10px);
}

.panel-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 24px; padding-bottom: 16px; border-bottom: 1px solid var(--border);
}

.panel-title {
  display: flex; align-items: center; gap: 10px;
  font-size: 0.82rem; font-weight: 600; color: var(--text-secondary);
  font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 0.08em;
}

.panel-title .status { width: 8px; height: 8px; background: #22c55e; border-radius: 50%; box-shadow: 0 0 8px #22c55e; }

.panel-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 22px; }

.panel-stat {
  background: rgba(220, 38, 38, 0.03);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md); padding: 20px 18px;
  transition: var(--transition);
}

.panel-stat:hover { border-color: rgba(220, 38, 38, 0.2); background: rgba(220, 38, 38, 0.06); }

.panel-stat-value {
  font-size: 1.85rem; font-weight: 800;
  background: var(--gradient-text);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  font-family: var(--font-mono); line-height: 1; margin-bottom: 8px;
}

.panel-stat-label { font-size: 0.78rem; color: var(--text-muted); }

.panel-chart {
  height: 80px; display: flex; align-items: flex-end; gap: 6px;
  padding: 12px 0; border-top: 1px solid var(--border);
}

.chart-bar {
  flex: 1; background: var(--gradient-primary); border-radius: 4px 4px 0 0;
  opacity: 0.5; transition: all 0.3s ease;
}

.chart-bar:hover { opacity: 1; transform: scaleY(1.08); }

/* 浮动装饰卡片 */
.hero-float {
  position: absolute;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  backdrop-filter: blur(15px);
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow-md);
  z-index: 3;
  white-space: nowrap;
}

.hero-float.f1 { top: 12%; left: -26%; animation: float-card 5s ease-in-out infinite; }
.hero-float.f2 { bottom: 12%; left: -26%; top: auto; animation: float-card 5s ease-in-out 2.5s infinite; }

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

.hero-float-icon {
  width: 36px; height: 36px; border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center; font-size: 1rem;
}

.f1 .hero-float-icon { background: rgba(220, 38, 38, 0.1); color: var(--primary); }
.f2 .hero-float-icon { background: rgba(245, 158, 11, 0.1); color: var(--accent-dark); }

.hero-float-text { font-size: 0.75rem; color: var(--text-muted); }
.hero-float-value { font-size: 1rem; font-weight: 700; color: var(--text-primary); font-family: var(--font-mono); }

/* ===== 数据统计 ===== */
.stats { position: relative; z-index: 3; padding: 0 20px; margin-top: -40px; }

.stats-grid {
  max-width: 1440px; margin: 0 auto;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  background: var(--border); border-radius: var(--radius-lg);
  overflow: hidden; border: 1px solid var(--border);
  box-shadow: 0 20px 50px rgba(0,0,0,0.08);
}

.stat-item {
  background: #fff; padding: 34px 24px; text-align: center;
  position: relative; overflow: hidden; transition: var(--transition);
}

.stat-item::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--gradient-primary); transform: scaleX(0); transition: transform 0.4s ease;
}

.stat-item:hover { background: #fefafa; }
.stat-item:hover::before { transform: scaleX(1); }

.stat-number {
  font-size: clamp(2.5rem, 4.5vw, 3.8rem); font-weight: 800;
  background: var(--gradient-text);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  font-family: var(--font-mono); line-height: 1; margin-bottom: 10px;
}

.stat-number .suffix { font-size: 0.45em; -webkit-text-fill-color: var(--accent-dark); }
.stat-label { font-size: 0.95rem; color: var(--text-secondary); font-weight: 500; }

@media (max-width: 768px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item { padding: 24px 16px; }
}

/* ===== 通用 Section ===== */
.section { padding: 80px 0; position: relative; }
.section-header { text-align: center; margin-bottom: 48px; }
.section-header .section-subtitle { margin: 0 auto; }

/* ===== 服务卡片 ===== */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

.service-card {
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 30px 24px;
  transition: var(--transition); position: relative; overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.service-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--gradient-primary); transform: scaleX(0); transform-origin: left;
  transition: transform 0.5s ease;
}

.service-card::after {
  content: ''; position: absolute; top: -50%; right: -50%; width: 200%; height: 200%;
  background: radial-gradient(circle, rgba(220, 38, 38, 0.04) 0%, transparent 50%);
  opacity: 0; transition: opacity 0.5s ease; pointer-events: none;
}

.service-card:hover {
  border-color: rgba(220, 38, 38, 0.2);
  box-shadow: var(--shadow-lg), var(--glow-primary);
  transform: translateY(-8px);
}

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

.service-icon {
  width: 60px; height: 60px; border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 24px; font-size: 1.6rem; position: relative; z-index: 1;
  transition: var(--transition);
}

.service-card:nth-child(1) .service-icon { background: linear-gradient(135deg, rgba(220, 38, 38, 0.1), rgba(220, 38, 38, 0.03)); color: var(--primary); border: 1px solid rgba(220, 38, 38, 0.15); }
.service-card:nth-child(2) .service-icon { background: linear-gradient(135deg, rgba(245, 158, 11, 0.1), rgba(245, 158, 11, 0.03)); color: var(--accent-dark); border: 1px solid rgba(245, 158, 11, 0.15); }
.service-card:nth-child(3) .service-icon { background: linear-gradient(135deg, rgba(239,68,68,0.1), rgba(239,68,68,0.03)); color: var(--primary-light); border: 1px solid rgba(239,68,68,0.15); }

.service-card:hover .service-icon { transform: scale(1.1) rotate(-5deg); }

.service-card h3 { font-size: 1.3rem; font-weight: 700; margin-bottom: 12px; position: relative; z-index: 1; }
.service-card p { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.7; margin-bottom: 20px; position: relative; z-index: 1; }

.service-tags { display: flex; flex-wrap: wrap; gap: 8px; position: relative; z-index: 1; }

.service-tag {
  padding: 5px 12px; background: rgba(220, 38, 38, 0.04);
  border: 1px solid var(--border-light); border-radius: var(--radius-full);
  font-size: 0.75rem; font-weight: 500; color: var(--text-secondary);
  transition: var(--transition);
}

.service-card:hover .service-tag { border-color: rgba(220, 38, 38, 0.15); color: var(--primary); }

/* ===== Feature 交替图文 ===== */
.feature { padding: 80px 0; position: relative; }
.feature:nth-child(even) { background: var(--bg-secondary); }

.feature .container {
  display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center;
}

.feature:nth-child(even) .feature-image { order: 2; }

.feature-image {
  position: relative; border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid var(--border); box-shadow: var(--shadow-card);
}

.feature-image img {
  width: 100%; height: 420px; object-fit: cover;
  transition: transform 0.8s ease;
}

.feature-image:hover img { transform: scale(1.06); }

.feature-image::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(220, 38, 38, 0.08) 0%, transparent 50%, rgba(245, 158, 11, 0.06) 100%);
  pointer-events: none;
}

.feature-image::before {
  content: ''; position: absolute; inset: 0; z-index: 2;
  background: repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(255,255,255,0.03) 2px, rgba(255,255,255,0.03) 4px);
  pointer-events: none;
}

.feature-content .section-label { margin-bottom: 16px; }

.feature-content h2 {
  font-size: clamp(1.75rem, 3vw, 2.5rem); font-weight: 800;
  margin-bottom: 20px; letter-spacing: -0.02em; line-height: 1.2;
}

.feature-content > p {
  font-size: 1rem; color: var(--text-secondary); line-height: 1.8; margin-bottom: 28px;
}

.feature-list { display: flex; flex-direction: column; gap: 14px; margin-bottom: 28px; }

.feature-list li {
  display: flex; align-items: flex-start; gap: 12px;
  font-size: 0.88rem; color: var(--text-secondary); line-height: 1.6;
  padding: 10px 14px; background: #fff;
  border: 1px solid var(--border-light); border-radius: var(--radius-md);
  transition: var(--transition);
}

.feature-list li:hover { border-color: rgba(220, 38, 38, 0.2); background: rgba(220, 38, 38, 0.02); transform: translateX(6px); }

.feature-list .check {
  flex-shrink: 0; width: 22px; height: 22px; border-radius: 50%;
  background: var(--gradient-primary); display: flex; align-items: center;
  justify-content: center; color: #fff; font-size: 0.7rem; margin-top: 1px;
  box-shadow: 0 0 10px rgba(220, 38, 38, 0.3);
}

/* ===== 产品矩阵 ===== */
.products-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }

.product-item {
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: 24px;
  transition: var(--transition); display: flex; align-items: center; gap: 16px;
  box-shadow: var(--shadow-sm); position: relative; overflow: hidden;
}

.product-item::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
  background: var(--gradient-primary); transform: scaleY(0); transition: transform 0.3s ease;
}

.product-item:hover {
  background: #fff; border-color: rgba(220, 38, 38, 0.2);
  box-shadow: var(--glow-primary); transform: translateX(6px);
}

.product-item:hover::before { transform: scaleY(1); }

.product-icon {
  flex-shrink: 0; width: 48px; height: 48px; border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; font-weight: 800; color: #fff;
}

.product-item:nth-child(1) .product-icon { background: linear-gradient(135deg, #2932e1, #000); }
.product-item:nth-child(2) .product-icon { background: linear-gradient(135deg, #4285f4, #ea4335); }
.product-item:nth-child(3) .product-icon { background: linear-gradient(135deg, #fc0000, #000); }
.product-item:nth-child(4) .product-icon { background: linear-gradient(135deg, #00c300, #005700); }
.product-item:nth-child(5) .product-icon { background: linear-gradient(135deg, #dc2626, #25f4ee); }
.product-item:nth-child(6) .product-icon { background: linear-gradient(135deg, #00b359, #00a850); }

.product-info h4 { font-size: 0.95rem; font-weight: 700; margin-bottom: 4px; }
.product-info p { font-size: 0.78rem; color: var(--text-muted); line-height: 1.4; }

/* ===== 服务流程 ===== */
.process { background: var(--bg-secondary); }

.process-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; position: relative;
}

.process-grid::before {
  content: ''; position: absolute; top: 44px; left: 12%; right: 12%; height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary), var(--accent), transparent);
  z-index: 0; opacity: 0.3;
}

.process-step { position: relative; z-index: 1; text-align: center; }

.step-number {
  width: 88px; height: 88px; border-radius: 50%;
  background: #fff; border: 2px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 20px; font-size: 1.6rem; font-weight: 800;
  font-family: var(--font-mono); color: var(--primary);
  transition: var(--transition); position: relative;
  box-shadow: var(--shadow-sm);
}

.step-number::before {
  content: ''; position: absolute; inset: -2px; border-radius: 50%;
  background: var(--gradient-primary); z-index: -1; opacity: 0;
  filter: blur(8px); transition: opacity 0.4s ease;
}

.process-step:hover .step-number {
  background: var(--gradient-primary); color: #fff;
  border-color: transparent; transform: scale(1.1);
  box-shadow: var(--glow-primary);
}

.process-step:hover .step-number::before { opacity: 0.5; }

.process-step h4 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.process-step p { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.6; max-width: 220px; margin: 0 auto; }

/* ===== 核心优势 ===== */
.advantages-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

.advantage-card {
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 28px 22px;
  transition: var(--transition); position: relative; overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.advantage-card::before {
  content: ''; position: absolute; top: -60px; right: -60px;
  width: 160px; height: 160px; border-radius: 50%;
  background: radial-gradient(circle, rgba(220, 38, 38, 0.06) 0%, transparent 70%);
  opacity: 0; transition: opacity 0.5s ease;
}

.advantage-card:hover {
  border-color: rgba(220, 38, 38, 0.2);
  box-shadow: var(--shadow-lg), var(--glow-primary);
  transform: translateY(-6px);
}

.advantage-card:hover::before { opacity: 1; }

.advantage-icon {
  width: 52px; height: 52px; border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px; background: var(--gradient-primary);
  color: #fff; position: relative; z-index: 1;
  box-shadow: 0 4px 15px rgba(220, 38, 38, 0.3);
  transition: var(--transition);
}

.advantage-card:hover .advantage-icon { transform: scale(1.1) rotate(5deg); }
.advantage-icon svg { width: 24px; height: 24px; }

.advantage-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 10px; position: relative; z-index: 1; }
.advantage-card p { font-size: 0.88rem; color: var(--text-secondary); line-height: 1.7; position: relative; z-index: 1; }

/* ===== 合作伙伴 ===== */
.partners { background: var(--bg-secondary); position: relative; overflow: hidden; padding: 100px 0 90px; }

.partners::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(ellipse at center, rgba(220, 38, 38, 0.03) 0%, transparent 70%);
}

.partners-grid {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px;
  max-width: 1400px; margin: 0 auto;
}

.partner-item {
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: 28px 16px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 10px; transition: var(--transition); text-align: center;
  box-shadow: var(--shadow-sm);
  min-height: 160px;
}

.partner-item:hover {
  background: #fff; border-color: rgba(220, 38, 38, 0.25);
  transform: translateY(-4px); box-shadow: var(--glow-primary);
}

.partner-logo {
  width: 52px; height: 52px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 0.95rem; color: #fff;
  flex-shrink: 0; letter-spacing: -0.5px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.12);
}

.partner-logo.baidu { background: linear-gradient(135deg, #2932E1, #4E5FFF); }
.partner-logo.google { background: linear-gradient(135deg, #4285F4, #34A853, #FBBC05, #EA4335); font-size: 1.2rem; }
.partner-logo.yandex { background: linear-gradient(135deg, #FC3F1D, #FF6B4A); font-size: 1.3rem; }
.partner-logo.qihu { background: linear-gradient(135deg, #00B42A, #23C343); font-size: 0.9rem; }
.partner-logo.bing { background: linear-gradient(135deg, #008373, #00A896); font-size: 1.3rem; }
.partner-logo.naver { background: linear-gradient(135deg, #03C75A, #2DD97A); font-size: 1.2rem; }
.partner-logo.oceanengine { background: linear-gradient(135deg, #1A1A1A, #333); font-size: 0.75rem; }
.partner-logo.douyin { background: linear-gradient(135deg, #000, #1A1A1A); font-size: 1.1rem; }
.partner-logo.toutiao { background: linear-gradient(135deg, #F04142, #FF6B6B); font-size: 0.9rem; }
.partner-logo.aliyun { background: linear-gradient(135deg, #FF6A00, #FF8C33); font-size: 0.7rem; }

.partner-name { font-size: 1.05rem; font-weight: 700; color: var(--text-primary); }
.partner-desc { font-size: 0.72rem; color: var(--text-muted); line-height: 1.4; }

/* ===== 客户跑马灯 ===== */
.clients { padding: 100px 0 90px; position: relative; }
.clients-marquee { overflow: hidden; position: relative; margin-top: 56px; }

.clients-track {
  display: flex; gap: 20px; animation: marquee 30s linear infinite; width: max-content;
}

@keyframes marquee { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

.client-logo {
  flex-shrink: 0; padding: 20px 36px; background: #fff;
  border: 1px solid var(--border); border-radius: var(--radius-md);
  font-size: 1.15rem; font-weight: 700; color: var(--text-secondary);
  white-space: nowrap; transition: var(--transition);
  box-shadow: var(--shadow-sm);
  min-height: 64px;
  display: flex;
  align-items: center;
}

.client-logo:hover { color: var(--primary); border-color: rgba(220, 38, 38, 0.25); box-shadow: var(--glow-primary); }

/* ===== 资讯 ===== */
.news { background: var(--bg-secondary); }

.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

.news-card {
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden; transition: var(--transition);
  display: flex; flex-direction: column; box-shadow: var(--shadow-sm);
}

.news-card:hover {
  transform: translateY(-6px); border-color: rgba(220, 38, 38, 0.2);
  box-shadow: var(--shadow-lg), var(--glow-primary);
}

.news-image { position: relative; height: 200px; overflow: hidden; }

.news-image img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.8s ease;
}

.news-card:hover .news-image img { transform: scale(1.08); }

.news-image::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(0,0,0,0.4) 100%);
}

.news-category {
  position: absolute; top: 14px; left: 14px; z-index: 2;
  padding: 5px 12px; background: var(--gradient-primary);
  border-radius: var(--radius-full); font-size: 0.72rem; font-weight: 600; color: #fff;
  box-shadow: 0 2px 8px rgba(220, 38, 38, 0.3);
}

.news-content { padding: 20px; flex: 1; display: flex; flex-direction: column; }

.news-date {
  font-size: 0.78rem; color: var(--text-muted); margin-bottom: 10px;
  display: flex; align-items: center; gap: 6px; font-family: var(--font-mono);
}

.news-content h3 {
  font-size: 1.05rem; font-weight: 700; margin-bottom: 10px;
  line-height: 1.4; transition: var(--transition);
}

.news-card:hover .news-content h3 { color: var(--primary); }

.news-content p { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.6; flex: 1; }

.news-read-more {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 16px; font-size: 0.82rem; font-weight: 600; color: var(--primary);
}

.news-read-more svg { width: 14px; height: 14px; transition: transform 0.3s ease; }
.news-card:hover .news-read-more svg { transform: translateX(4px); }

/* ===== CTA ===== */
.cta {
  position: relative; padding: 80px 0; overflow: hidden;
  background: var(--gradient-primary);
}

.cta-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(255,255,255,0.1) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 50%, rgba(245, 158, 11, 0.15) 0%, transparent 50%);
}

.cta .container { position: relative; z-index: 2; text-align: center; }

.cta h2 {
  font-size: clamp(2rem, 4vw, 3rem); font-weight: 800; color: #fff;
  margin-bottom: 18px; letter-spacing: -0.02em; line-height: 1.2;
}

.cta p {
  font-size: 1.05rem; color: rgba(255,255,255,0.85); max-width: 580px;
  margin: 0 auto 36px; line-height: 1.8;
}

.cta-actions { display: flex; align-items: center; justify-content: center; gap: 16px; flex-wrap: wrap; }

.cta .btn-primary {
  background: #fff; color: var(--primary);
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.cta .btn-primary:hover { box-shadow: 0 8px 30px rgba(0,0,0,0.2); }

.cta .btn-outline {
  background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,0.4);
}

.cta .btn-outline:hover { border-color: #fff; background: rgba(255,255,255,0.1); color: #fff; box-shadow: none; }

.cta-phone {
  display: inline-flex; align-items: center; gap: 10px;
  color: #fff; font-size: 1.3rem; font-weight: 700;
  margin-top: 28px; font-family: var(--font-mono);
}

.cta-phone svg { width: 22px; height: 22px; }

/* ===== Footer ===== */
.footer {
  background: #1a1a1a; padding: 60px 0 0;
  color: var(--text-muted); position: relative;
  border-top: 3px solid; border-image: var(--gradient-primary) 1;
}

.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand .logo { color: #fff; margin-bottom: 18px; display: inline-block; }
.footer-brand .logo-img { height: 52px; width: auto; max-width: 100%; object-fit: contain; display: block; }
.footer-brand p { font-size: 0.88rem; line-height: 1.8; color: rgba(255,255,255,0.5); margin-bottom: 22px; max-width: 300px; }

.footer-contact { display: flex; flex-direction: column; gap: 12px; }

.footer-contact-item {
  display: flex; align-items: center; gap: 10px; font-size: 0.85rem;
  padding: 10px 14px; background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06); border-radius: var(--radius-sm);
  transition: var(--transition);
}

.footer-contact-item:hover { border-color: rgba(220, 38, 38, 0.3); }

.footer-contact-item svg { width: 16px; height: 16px; color: var(--primary-light); flex-shrink: 0; }

.footer-col h4 { color: #fff; font-size: 0.95rem; font-weight: 600; margin-bottom: 20px; }

.footer-links { display: flex; flex-direction: column; gap: 12px; }

.footer-links a {
  font-size: 0.85rem; color: rgba(255,255,255,0.5); transition: var(--transition);
  display: flex; align-items: center; gap: 8px;
}

.footer-links a::before { content: '›'; color: var(--primary-light); font-weight: bold; transition: var(--transition); }
.footer-links a:hover { color: #fff; padding-left: 4px; }

.footer-bottom {
  padding: 22px 0; display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 14px;
}

.footer-bottom p { font-size: 0.8rem; color: rgba(255,255,255,0.4); }

.footer-bottom-links { display: flex; gap: 24px; }
.footer-bottom-links a { font-size: 0.8rem; color: rgba(255,255,255,0.4); }
.footer-bottom-links a:hover { color: var(--primary-light); }

/* ===== 返回顶部 ===== */
.back-to-top {
  position: fixed; bottom: 32px; right: 32px; width: 48px; height: 48px;
  background: var(--gradient-primary); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: #fff; box-shadow: var(--glow-primary);
  opacity: 0; visibility: hidden; transform: translateY(20px);
  transition: var(--transition); z-index: 999; border: none;
}

.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { transform: translateY(-4px); box-shadow: 0 0 40px rgba(220, 38, 38, 0.4); }
.back-to-top svg { width: 20px; height: 20px; }

/* ===== 滚动入场 ===== */
.reveal {
  opacity: 1; transform: none;
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.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; }

/* ===== 光标跟随光效 ===== */
.cursor-glow {
  position: fixed; width: 400px; height: 400px; border-radius: 50%;
  background: radial-gradient(circle, rgba(220, 38, 38, 0.05) 0%, transparent 70%);
  pointer-events: none; z-index: 0; transform: translate(-50%, -50%);
  transition: opacity 0.3s ease;
}

/* ===== 内页通用样式 ===== */
.nav-links a.active { color: var(--primary); font-weight: 600; }
.nav-links a.active::after { width: 100%; }

.page-banner {
  position: relative; padding: 140px 0 80px; overflow: hidden;
  background: linear-gradient(135deg, #fef7f7 0%, #fff5f0 50%, #fef7f7 100%);
  text-align: center;
}

.page-banner::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(220, 38, 38, 0.06) 0%, transparent 60%),
              radial-gradient(ellipse at 70% 50%, rgba(245, 158, 11, 0.05) 0%, transparent 60%);
}

.page-banner-canvas { position: absolute; inset: 0; z-index: 1; }

.page-banner .container { position: relative; z-index: 2; }

.page-banner-label {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(220, 38, 38, 0.08); border: 1px solid rgba(220, 38, 38, 0.15);
  color: var(--primary); padding: 6px 18px; border-radius: 50px;
  font-size: 0.85rem; font-weight: 500; margin-bottom: 20px;
}

.page-banner-label .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--primary); }

.page-banner h1 {
  font-size: clamp(2rem, 4vw, 3rem); font-weight: 800;
  color: var(--text-primary); margin-bottom: 16px; letter-spacing: -0.02em;
}

.page-banner p {
  font-size: 1.05rem; color: var(--text-secondary); max-width: 600px;
  margin: 0 auto; line-height: 1.8;
}

.breadcrumb {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  margin-top: 24px; font-size: 0.85rem; color: var(--text-muted);
}

.breadcrumb a { color: var(--text-muted); transition: color 0.3s; }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { color: var(--border); }
.breadcrumb .current { color: var(--primary); font-weight: 500; }

.page-section { padding: 80px 0; position: relative; }
.page-section.alt { background: var(--bg-secondary); }

.page-section-header { text-align: center; margin-bottom: 50px; }
.page-section-header .section-label { margin-bottom: 12px; }
.page-section-header h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 800; color: var(--text-primary); margin-bottom: 14px; }
.page-section-header p { color: var(--text-secondary); max-width: 600px; margin: 0 auto; line-height: 1.8; }

/* 关于我们 */
.about-intro { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-intro-image { position: relative; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-card); }
.about-intro-image img { width: 100%; height: 400px; object-fit: cover; }
.about-intro-content h2 { font-size: 1.8rem; font-weight: 800; margin-bottom: 20px; color: var(--text-primary); }
.about-intro-content p { color: var(--text-secondary); line-height: 1.9; margin-bottom: 16px; }
.about-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 50px; }
.about-stat { text-align: center; padding: 30px 20px; background: #fff; border-radius: var(--radius-md); border: 1px solid var(--border); box-shadow: var(--shadow-sm); }
.about-stat-value { font-size: 2.2rem; font-weight: 800; background: var(--gradient-text); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; font-family: var(--font-mono); margin-bottom: 8px; }
.about-stat-label { font-size: 0.85rem; color: var(--text-muted); }

.timeline { position: relative; max-width: 800px; margin: 0 auto; padding-left: 40px; }
.timeline::before { content: ''; position: absolute; left: 12px; top: 0; bottom: 0; width: 2px; background: linear-gradient(to bottom, var(--primary), var(--accent)); }
.timeline-item { position: relative; margin-bottom: 40px; }
.timeline-item::before { content: ''; position: absolute; left: -34px; top: 6px; width: 14px; height: 14px; border-radius: 50%; background: #fff; border: 3px solid var(--primary); box-shadow: 0 0 0 4px rgba(220, 38, 38, 0.1); }
.timeline-year { font-size: 1.1rem; font-weight: 800; color: var(--primary); margin-bottom: 8px; font-family: var(--font-mono); }
.timeline-title { font-size: 1.05rem; font-weight: 700; color: var(--text-primary); margin-bottom: 6px; }
.timeline-desc { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.7; }

/* 业务领域 */
.service-detail-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.service-detail-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 36px 28px; transition: var(--transition); box-shadow: var(--shadow-sm); }
.service-detail-card:hover { transform: translateY(-6px); box-shadow: var(--glow-primary); border-color: rgba(220, 38, 38, 0.2); }
.service-detail-icon { width: 56px; height: 56px; border-radius: 14px; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; margin-bottom: 20px; background: linear-gradient(135deg, rgba(220, 38, 38, 0.1), rgba(245, 158, 11, 0.1)); color: var(--primary); }
.service-detail-card h3 { font-size: 1.2rem; font-weight: 700; color: var(--text-primary); margin-bottom: 12px; }
.service-detail-card p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.8; margin-bottom: 16px; }
.service-detail-list { list-style: none; padding: 0; }
.service-detail-list li { display: flex; align-items: center; gap: 8px; font-size: 0.85rem; color: var(--text-secondary); padding: 5px 0; }
.service-detail-list li::before { content: '✓'; color: var(--primary); font-weight: 700; font-size: 0.8rem; }

/* 新闻动态 */
.news-list { display: flex; flex-direction: column; gap: 24px; max-width: 900px; margin: 0 auto; }
.news-list-item { display: grid; grid-template-columns: 280px 1fr; gap: 28px; background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; transition: var(--transition); box-shadow: var(--shadow-sm); }
.news-list-item:hover { transform: translateX(6px); box-shadow: var(--glow-primary); border-color: rgba(220, 38, 38, 0.2); }
.news-list-image { position: relative; overflow: hidden; }
.news-list-image img { width: 100%; height: 100%; object-fit: cover; min-height: 200px; }
.news-list-category { position: absolute; top: 14px; left: 14px; background: var(--primary); color: #fff; padding: 4px 12px; border-radius: 4px; font-size: 0.75rem; font-weight: 600; }
.news-list-content { padding: 28px 28px 28px 0; display: flex; flex-direction: column; justify-content: center; }
.news-list-date { display: flex; align-items: center; gap: 6px; font-size: 0.8rem; color: var(--text-muted); margin-bottom: 10px; }
.news-list-content h3 { font-size: 1.15rem; font-weight: 700; color: var(--text-primary); margin-bottom: 10px; line-height: 1.5; }
.news-list-content p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.7; margin-bottom: 14px; }
.news-list-readmore { display: inline-flex; align-items: center; gap: 6px; color: var(--primary); font-size: 0.85rem; font-weight: 600; text-decoration: none; }
.news-pagination { display: flex; justify-content: center; gap: 8px; margin-top: 50px; }
.news-pagination a { width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; border: 1px solid var(--border); border-radius: var(--radius-sm); color: var(--text-secondary); font-size: 0.9rem; transition: var(--transition); text-decoration: none; }
.news-pagination a:hover, .news-pagination a.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* 新闻分类标签 */
.news-tabs {
  display: flex; justify-content: center; gap: 12px; margin-bottom: 40px;
  flex-wrap: wrap;
}
.news-tab {
  padding: 10px 28px; border: 1px solid var(--border); border-radius: 50px;
  font-size: 0.9rem; font-weight: 600; color: var(--text-secondary);
  background: #fff; cursor: pointer; transition: var(--transition);
  text-decoration: none;
}
.news-tab:hover { border-color: var(--primary); color: var(--primary); }
.news-tab.active {
  background: var(--gradient-primary); color: #fff; border-color: transparent;
  box-shadow: 0 4px 16px rgba(220, 38, 38, 0.25);
}

/* 精选文章 */
.news-featured {
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 0;
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius-xl);
  overflow: hidden; margin-bottom: 36px; box-shadow: var(--shadow-card);
  transition: var(--transition);
}
.news-featured:hover { box-shadow: var(--glow-primary); border-color: rgba(220, 38, 38, 0.2); }
.news-featured-image { position: relative; overflow: hidden; min-height: 340px; }
.news-featured-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.news-featured:hover .news-featured-image img { transform: scale(1.05); }
.news-featured-badge {
  position: absolute; top: 20px; left: 20px;
  background: var(--gradient-primary); color: #fff;
  padding: 6px 16px; border-radius: 50px; font-size: 0.78rem; font-weight: 700;
  display: flex; align-items: center; gap: 6px;
  box-shadow: 0 4px 12px rgba(220, 38, 38, 0.3);
}
.news-featured-content { padding: 40px; display: flex; flex-direction: column; justify-content: center; }
.news-featured-meta { display: flex; align-items: center; gap: 16px; margin-bottom: 16px; }
.news-featured-category {
  font-size: 0.78rem; font-weight: 700; color: var(--primary);
  background: rgba(220, 38, 38, 0.08); padding: 4px 12px; border-radius: 4px;
}
.news-featured-date { font-size: 0.82rem; color: var(--text-muted); display: flex; align-items: center; gap: 5px; }
.news-featured-content h2 { font-size: 1.5rem; font-weight: 800; color: var(--text-primary); line-height: 1.5; margin-bottom: 14px; }
.news-featured-content p { font-size: 0.92rem; color: var(--text-secondary); line-height: 1.8; margin-bottom: 20px; }
.news-featured-readmore {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--primary); font-size: 0.9rem; font-weight: 700; text-decoration: none;
}
.news-featured-readmore svg { transition: transform 0.3s; }
.news-featured-readmore:hover svg { transform: translateX(4px); }

/* 新闻卡片网格 */
.news-card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-bottom: 40px; }
.news-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg);
  overflow: hidden; transition: var(--transition); box-shadow: var(--shadow-sm);
  display: flex; flex-direction: column;
}
.news-card:hover { transform: translateY(-8px); box-shadow: var(--glow-primary); border-color: rgba(220, 38, 38, 0.2); }
.news-card-image { position: relative; height: 180px; overflow: hidden; }
.news-card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.news-card:hover .news-card-image img { transform: scale(1.08); }
.news-card-category {
  position: absolute; top: 12px; left: 12px;
  background: rgba(255,255,255,0.92); color: var(--primary);
  padding: 4px 12px; border-radius: 4px; font-size: 0.72rem; font-weight: 700;
  backdrop-filter: blur(4px);
}
.news-card-content { padding: 22px; flex: 1; display: flex; flex-direction: column; }
.news-card-date {
  display: flex; align-items: center; gap: 5px;
  font-size: 0.78rem; color: var(--text-muted); margin-bottom: 10px;
}
.news-card-content h3 {
  font-size: 1.05rem; font-weight: 700; color: var(--text-primary);
  line-height: 1.5; margin-bottom: 10px; flex: 1;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.news-card-content p {
  font-size: 0.85rem; color: var(--text-secondary); line-height: 1.7;
  margin-bottom: 14px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.news-card-footer {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 14px; border-top: 1px solid var(--border-light);
}
.news-card-readmore {
  display: inline-flex; align-items: center; gap: 5px;
  color: var(--primary); font-size: 0.82rem; font-weight: 600; text-decoration: none;
}
.news-card-readmore svg { transition: transform 0.3s; }
.news-card-readmore:hover svg { transform: translateX(3px); }
.news-card-views { font-size: 0.78rem; color: var(--text-muted); display: flex; align-items: center; gap: 4px; }

/* 客户案例 */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.case-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; transition: var(--transition); box-shadow: var(--shadow-sm); }
.case-card:hover { transform: translateY(-6px); box-shadow: var(--glow-primary); }
.case-image { position: relative; height: 200px; overflow: hidden; background: linear-gradient(135deg, #fef7f7, #fff5f0); display: flex; align-items: center; justify-content: center; }
.case-logo { font-size: 2rem; font-weight: 800; color: var(--primary); opacity: 0.6; }
.case-category { position: absolute; top: 14px; left: 14px; background: rgba(255,255,255,0.9); color: var(--primary); padding: 4px 12px; border-radius: 4px; font-size: 0.75rem; font-weight: 600; }
.case-content { padding: 24px; }
.case-content h3 { font-size: 1.1rem; font-weight: 700; color: var(--text-primary); margin-bottom: 8px; }
.case-content p { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.7; margin-bottom: 14px; }
.case-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.case-tag { font-size: 0.72rem; padding: 3px 10px; background: rgba(220, 38, 38, 0.06); color: var(--primary); border-radius: 4px; }

.client-logos { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; }
.client-logo-item { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-md); padding: 24px; display: flex; align-items: center; justify-content: center; font-size: 1rem; font-weight: 700; color: var(--text-muted); transition: var(--transition); height: 80px; }
.client-logo-item:hover { border-color: rgba(220, 38, 38, 0.2); color: var(--primary); box-shadow: var(--shadow-sm); }

/* 荣誉资质 */
.honors-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.honor-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 32px 24px; text-align: center; transition: var(--transition);
  box-shadow: var(--shadow-sm); position: relative; overflow: hidden;
}
.honor-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--gradient-primary); transform: scaleX(0); transition: transform 0.4s ease;
}
.honor-card:hover { transform: translateY(-8px); box-shadow: var(--glow-primary); border-color: rgba(220, 38, 38, 0.2); }
.honor-card:hover::before { transform: scaleX(1); }
.honor-icon {
  width: 64px; height: 64px; margin: 0 auto 18px; border-radius: 50%;
  background: linear-gradient(135deg, rgba(220, 38, 38, 0.08), rgba(245, 158, 11, 0.08));
  display: flex; align-items: center; justify-content: center; color: var(--primary);
}
.honor-icon svg { width: 28px; height: 28px; }
.honor-card h4 { font-size: 1.05rem; font-weight: 700; color: var(--text-primary); margin-bottom: 8px; }
.honor-card p { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.6; }

/* 合作单位 - Logo+文字形式（logo为主） */
.partner-logo-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; }
.partner-logo-item {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius-md);
  overflow: hidden; transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.partner-logo-item:hover {
  transform: translateY(-4px); box-shadow: 0 12px 32px rgba(0,0,0,0.1);
  border-color: transparent;
}
.partner-logo-box {
  height: 70px; display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden; padding: 6px;
}
.partner-logo-box img {
  max-width: 100%; height: 32px; width: auto; object-fit: contain;
  transition: transform 0.4s ease;
  filter: drop-shadow(0 1px 2px rgba(0,0,0,0.06));
  display: block;
}
.partner-logo-item:hover .partner-logo-box img { transform: scale(1.08); }
.partner-logo-box::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--gradient-primary); transform: scaleX(0); transform-origin: left;
  transition: transform 0.4s ease; z-index: 1;
}
.partner-logo-item:hover .partner-logo-box::before { transform: scaleX(1); }

/* 各平台品牌色渐变背景 */
.bg-baidu { background: linear-gradient(135deg, #EBF0FF 0%, #DCE8FF 100%); }
.bg-google { background: linear-gradient(135deg, #FFFFFF 0%, #F0F4F8 100%); }
.bg-360 { background: linear-gradient(135deg, #E8F8ED 0%, #D4F0DE 100%); }
.bg-douyin { background: linear-gradient(135deg, #F5F5F5 0%, #E8E8E8 100%); }
.bg-toutiao { background: linear-gradient(135deg, #FFF0F0 0%, #FFE0E0 100%); }
.bg-wechat { background: linear-gradient(135deg, #E8F8F0 0%, #D4F0E2 100%); }
.bg-yandex { background: linear-gradient(135deg, #FFF0ED 0%, #FFE0D8 100%); }
.bg-naver { background: linear-gradient(135deg, #E8F8F0 0%, #D4F0E2 100%); }
.bg-aliyun { background: linear-gradient(135deg, #FFF5EB 0%, #FFE8D0 100%); }
.bg-tencent { background: linear-gradient(135deg, #EBF5FF 0%, #D4E8FF 100%); }
.bg-huawei { background: linear-gradient(135deg, #FFF0F0 0%, #FFE0E0 100%); }
.bg-more { background: linear-gradient(135deg, #F5F5F5 0%, #EBEBEB 100%); }
.partner-logo-name {
  padding: 10px 8px 12px; text-align: center; border-top: 1px solid var(--border-light); background: #fff;
}
.partner-logo-name span { font-size: 0.78rem; font-weight: 600; color: #4a5568; transition: color 0.3s ease; }
.partner-logo-item:hover .partner-logo-name span { color: var(--primary); }

/* 各平台品牌色 */
.logo-baidu { color: #4E6EF2; }
.logo-google {
  background: linear-gradient(90deg, #4285F4 0%, #4285F4 25%, #EA4335 25%, #EA4335 50%, #FBBC05 50%, #FBBC05 75%, #34A853 75%, #34A853 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.logo-360 { color: #00B42A; }
.logo-douyin { color: #000; text-shadow: 1.5px 1.5px 0 #FE2C55, -1.5px -1.5px 0 #25F4EE; }
.logo-toutiao { color: #FF2741; }
.logo-wechat { color: #07C160; }
.logo-yandex { color: #FC3F1D; }
.logo-naver { color: #03C75A; }
.logo-aliyun { color: #FF6A00; }
.logo-tencent { color: #00A4FF; }
.logo-huawei { color: #C7000B; }
.logo-more { color: #86909C; }

@media (max-width: 1200px) {
  .partner-logo-grid { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 768px) {
  .partner-logo-grid { grid-template-columns: repeat(3, 1fr); gap: 12px; }
  .partner-logo-box { height: 55px; }
  .partner-logo-box img { height: 26px; }
  .partner-logo-name span { font-size: 0.72rem; }
}

/* ===== 合作客户 - 单独logo卡片，一排6个 ===== */
.client-logo-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
  margin-top: 40px;
}
.client-logo-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: default;
  min-height: 130px;
}
.client-logo-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
  border-color: rgba(220, 38, 38, 0.25);
}
.client-logo-card img {
  max-width: 100%;
  max-height: 85px;
  height: 85px;
  width: auto;
  object-fit: contain;
  filter: grayscale(20%);
  opacity: 0.9;
  transition: all 0.35s ease;
}
.client-logo-card:hover img {
  filter: grayscale(0%);
  opacity: 1;
  transform: scale(1.08);
}

@media (max-width: 1200px) {
  .client-logo-grid { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 768px) {
  .client-logo-grid { grid-template-columns: repeat(3, 1fr); gap: 12px; }
  .client-logo-card { padding: 16px 10px; min-height: 100px; }
  .client-logo-card img { max-height: 60px; height: 60px; }
}

/* ===== 图片轮播 ===== */
.carousel { position: relative; overflow: hidden; border-radius: var(--radius-lg); }
.carousel-track {
  display: flex; transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: transform;
}
.carousel-slide { flex-shrink: 0; position: relative; }
.carousel-slide img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  transition: transform 0.6s ease;
}
.carousel-slide:hover img { transform: scale(1.03); }

/* 轮播箭头按钮 */
.carousel-btn {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 48px; height: 48px; border-radius: 50%;
  background: rgba(255, 255, 255, 0.92); backdrop-filter: blur(8px);
  border: 1px solid var(--border); box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
  color: var(--text-primary); cursor: pointer; z-index: 10;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.3s ease; opacity: 0;
}
.carousel:hover .carousel-btn { opacity: 1; }
.carousel-btn:hover {
  background: var(--gradient-primary); color: #fff; border-color: transparent;
  transform: translateY(-50%) scale(1.1);
  box-shadow: 0 6px 20px rgba(220, 38, 38, 0.3);
}
.carousel-btn.prev { left: 16px; }
.carousel-btn.next { right: 16px; }
.carousel-btn svg { width: 20px; height: 20px; }

/* 轮播指示器 */
.carousel-dots {
  display: flex; justify-content: center; gap: 10px; margin-top: 24px;
}
.carousel-dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--border); border: none; cursor: pointer;
  transition: all 0.3s ease; padding: 0;
}
.carousel-dot:hover { background: var(--primary-light); }
.carousel-dot.active {
  background: var(--gradient-primary); width: 28px; border-radius: 5px;
}

/* 竖图轮播（荣誉资质）- 一行5个 */
.carousel-vertical .carousel-slide {
  width: calc(20% - 16px); margin-right: 20px;
  border-radius: var(--radius-sm); overflow: visible;
  box-shadow: var(--shadow-sm); border: 1px solid var(--border);
  background: #fff; position: relative;
  display: flex; flex-direction: column;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.carousel-vertical .carousel-slide:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 32px rgba(220, 38, 38, 0.15);
  border-color: rgba(220, 38, 38, 0.25);
}
.carousel-vertical .carousel-slide .img-wrap {
  overflow: hidden; border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  cursor: zoom-in; position: relative;
}
.carousel-vertical .carousel-slide .img-wrap::after {
  content: ''; position: absolute; inset: 0;
  background: rgba(220, 38, 38, 0);
  transition: background 0.3s ease;
  pointer-events: none;
}
.carousel-vertical .carousel-slide:hover .img-wrap::after {
  background: rgba(220, 38, 38, 0.06);
}
.carousel-vertical .carousel-slide img {
  height: 240px; width: 100%; object-fit: contain;
  background: #fafafa; padding: 12px;
  transition: transform 0.5s ease;
  display: block;
}
.carousel-vertical .carousel-slide:hover img { transform: scale(1.05); }

/* 放大提示图标 */
.carousel-vertical .zoom-icon {
  position: absolute; top: 10px; right: 10px;
  width: 32px; height: 32px; border-radius: 50%;
  background: rgba(255,255,255,0.9); backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center;
  color: var(--primary); opacity: 0; transform: scale(0.8);
  transition: all 0.3s ease; pointer-events: none;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
.carousel-vertical .carousel-slide:hover .zoom-icon {
  opacity: 1; transform: scale(1);
}
.carousel-vertical .zoom-icon svg { width: 16px; height: 16px; }

/* 证书名称 - 图片下方独立区域 */
.carousel-vertical .slide-caption {
  padding: 14px 10px 16px;
  text-align: center;
  border-top: 1px solid var(--border-light);
  background: #fff;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
}
.carousel-vertical .slide-caption span {
  display: inline-block;
  font-size: 0.8rem; font-weight: 600;
  color: #4a5568;
  line-height: 1.4;
  position: relative;
  transition: color 0.3s ease;
}
.carousel-vertical .carousel-slide:hover .slide-caption span {
  color: var(--primary);
}
.carousel-vertical .slide-caption span::after {
  content: ''; position: absolute; bottom: -4px; left: 50%;
  width: 0; height: 2px;
  background: var(--gradient-primary);
  transition: all 0.4s ease; transform: translateX(-50%);
  border-radius: 2px;
}
.carousel-vertical .carousel-slide:hover .slide-caption span::after { width: 100%; }

/* ===== 图片放大查看（Lightbox） ===== */
.lightbox {
  position: fixed; inset: 0; z-index: 9999;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden;
  transition: all 0.35s ease;
}
.lightbox.active { opacity: 1; visibility: visible; }
.lightbox-content {
  position: relative; max-width: 95vw; max-height: 92vh;
  transform: scale(0.9); transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}
.lightbox.active .lightbox-content { transform: scale(1); }
.lightbox-content img {
  max-width: 95vw; max-height: 92vh;
  object-fit: contain; border-radius: 8px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
  display: block; cursor: zoom-in;
  transition: transform 0.3s ease;
}
.lightbox-content img:hover { transform: scale(1.02); }
.lightbox-close {
  position: absolute; top: -48px; right: 0;
  width: 40px; height: 40px; border-radius: 50%;
  background: rgba(255,255,255,0.15); border: 1px solid rgba(255,255,255,0.3);
  color: #fff; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.3s ease;
}
.lightbox-close:hover {
  background: var(--primary); border-color: var(--primary);
  transform: rotate(90deg);
}
.lightbox-close svg { width: 20px; height: 20px; }
.lightbox-caption {
  position: absolute; bottom: -44px; left: 50%; transform: translateX(-50%);
  color: rgba(255,255,255,0.8); font-size: 0.9rem; font-weight: 500;
  white-space: nowrap;
}
.lightbox-nav {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 48px; height: 48px; border-radius: 50%;
  background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.25);
  color: #fff; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.3s ease;
}
.lightbox-nav:hover {
  background: var(--primary); border-color: var(--primary);
}
.lightbox-nav.prev { left: -70px; }
.lightbox-nav.next { right: -70px; }
.lightbox-nav svg { width: 22px; height: 22px; }

/* 横图轮播（合作客户） */
.carousel-horizontal .carousel-slide {
  width: 100%; border-radius: var(--radius-lg); overflow: hidden;
  background: #fff;
}
.carousel-horizontal .carousel-slide img {
  height: 170px; width: 100%; object-fit: contain;
  background: #fff; padding: 10px 20px;
}
.carousel-horizontal .carousel-slide::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.03) 0%, transparent 40%);
  pointer-events: none;
}

/* 联系我们 */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 50px; align-items: start; }
.contact-info { display: flex; flex-direction: column; gap: 24px; }
.contact-info-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 28px; display: flex; gap: 18px; align-items: flex-start; box-shadow: var(--shadow-sm); transition: var(--transition); }
.contact-info-card:hover { border-color: rgba(220, 38, 38, 0.2); transform: translateX(4px); }
.contact-info-icon { width: 48px; height: 48px; border-radius: 12px; background: linear-gradient(135deg, rgba(220, 38, 38, 0.1), rgba(245, 158, 11, 0.1)); color: var(--primary); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.contact-info-icon svg { width: 22px; height: 22px; }
.contact-info-text h4 { font-size: 1rem; font-weight: 700; color: var(--text-primary); margin-bottom: 6px; }
.contact-info-text p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.6; }
.contact-info-text a { color: var(--primary); text-decoration: none; }

.contact-form { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 36px; box-shadow: var(--shadow-card); }
.contact-form h3 { font-size: 1.3rem; font-weight: 800; color: var(--text-primary); margin-bottom: 8px; }
.contact-form .form-desc { font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 28px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-bottom: 18px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group.full { grid-column: 1 / -1; }
.form-group label { font-size: 0.85rem; font-weight: 600; color: var(--text-primary); }
.form-group label .required { color: var(--primary); margin-left: 2px; }
.form-group input, .form-group textarea, .form-group select {
  padding: 12px 16px; border: 1px solid var(--border); border-radius: var(--radius-sm);
  font-size: 0.9rem; color: var(--text-primary); background: var(--bg-secondary);
  transition: var(--transition); font-family: inherit; outline: none;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  border-color: var(--primary); background: #fff; box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.08);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-submit { width: 100%; padding: 14px; background: var(--gradient-primary); color: #fff; border: none; border-radius: var(--radius-sm); font-size: 1rem; font-weight: 700; cursor: pointer; transition: var(--transition); margin-top: 8px; }
.form-submit:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(220, 38, 38, 0.3); }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .hero .container { grid-template-columns: 1fr; text-align: center; gap: 50px; }
  .hero-desc { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .hero-visual { order: -1; max-width: 440px; margin: 0 auto; }
  .hero-float.f1 { left: 0; }
  .hero-float.f2 { right: 0; }
  .services-grid, .news-grid, .products-grid, .advantages-grid { grid-template-columns: repeat(2, 1fr); }
  .feature .container { grid-template-columns: 1fr; gap: 40px; }
  .feature:nth-child(even) .feature-image { order: 0; }
  .process-grid { grid-template-columns: repeat(2, 1fr); gap: 36px; }
  .process-grid::before { display: none; }
  .partners-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-links, .nav-cta .nav-phone { display: none; }
  .mobile-toggle { display: flex; }
  .nav-links.active {
    display: flex; position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; background: rgba(255,255,255,0.98);
    backdrop-filter: blur(20px); padding: 24px; gap: 18px;
    border-bottom: 1px solid var(--border); box-shadow: var(--shadow-md);
  }
  .hero { padding: 100px 0 50px; min-height: auto; }
  .hero h1 { font-size: 2.2rem; }
  .hero-panel { padding: 20px; }
  .panel-stats { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr; }
  .stat-item { padding: 28px 20px; }
  .section { padding: 64px 0; }
  .services-grid, .news-grid, .products-grid, .advantages-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr; gap: 28px; }
  .partners-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .hero-float { display: none; }
  .feature-image img { height: 260px; }
  .cta-actions { flex-direction: column; }
  .cta-actions .btn { width: 100%; max-width: 280px; }
  .cursor-glow { display: none; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .partners-grid { grid-template-columns: 1fr; }
}


/* ============================================================
   响应式优化 - 全面适配手机端
   ============================================================ */

/* ===== 1200px 平板横屏/小桌面 ===== */
@media (max-width: 1200px) {
  .container {
    max-width: 960px;
    padding: 0 20px;
  }
  
  /* 导航栏 */
  .nav-links {
    gap: 16px;
  }
  .nav-links li a {
    font-size: 0.9rem;
  }
  
  /* Hero区域 */
  .hero-content h1 {
    font-size: 2.5rem;
  }
  .hero-desc {
    font-size: 1rem;
  }
  
  /* 网格布局 */
  .news-card-grid,
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  /* 页脚 */
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }
  
  /* 案例展示 */
  .case-showcase-item {
    gap: 40px;
  }
  
  /* 行业网格 */
  .industry-grid {
    grid-template-columns: repeat(5, 1fr);
  }
}

/* ===== 768px 平板竖屏/大手机 ===== */
@media (max-width: 768px) {
  /* 全局 */
  .container {
    max-width: 100%;
    padding: 0 16px;
  }
  
  body {
    font-size: 15px;
  }
  
  /* 段落标题 */
  h1 { font-size: 1.8rem !important; }
  h2 { font-size: 1.5rem !important; }
  h3 { font-size: 1.2rem !important; }
  h4 { font-size: 1rem !important; }
  
  .page-section {
    padding: 50px 0;
  }
  
  .section-header,
  .page-section-header {
    margin-bottom: 32px;
  }
  
  .section-title {
    font-size: 1.5rem;
  }
  
  .section-subtitle {
    font-size: 0.9rem;
  }
  
  /* ===== 导航栏 ===== */
  .navbar {
    padding: 10px 0;
    height: auto;
    min-height: 60px;
  }
  
  .navbar .container {
    flex-wrap: wrap;
    gap: 10px;
  }
  
  .logo {
    font-size: 1.1rem;
  }
  
  .logo-img {
    height: 32px;
    width: auto;
  }
  
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    padding: 16px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    z-index: 1000;
    gap: 0;
  }
  
  .nav-links.active {
    display: flex;
  }
  
  .nav-links li {
    width: 100%;
    border-bottom: 1px solid var(--border);
  }
  
  .nav-links li:last-child {
    border-bottom: none;
  }
  
  .nav-links li a {
    display: block;
    padding: 12px 8px;
    font-size: 0.95rem;
  }
  
  /* 下拉菜单 */
  .dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    padding: 8px 0 8px 16px;
    display: none;
  }
  
  .has-dropdown:hover .dropdown,
  .has-dropdown.active .dropdown {
    display: block;
  }
  
  .dropdown-inner {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  
  .dropdown-item {
    padding: 10px;
  }
  
  .dropdown-item-img {
    width: 40px;
    height: 40px;
  }
  
  .dropdown-item-text h4 {
    font-size: 0.9rem;
  }
  
  .dropdown-item-text p {
    font-size: 0.75rem;
  }
  
  /* 导航右侧 */
  .nav-cta {
    gap: 8px;
  }
  
  .nav-search {
    display: none;
  }
  
  .nav-cta .btn {
    padding: 8px 16px !important;
    font-size: 0.8rem !important;
  }
  
  .mobile-toggle {
    display: flex !important;
  }
  
  /* ===== Hero区域 ===== */
  .hero {
    min-height: auto;
    padding: 60px 0 40px;
  }
  
  .hero .container {
    flex-direction: column;
    gap: 30px;
  }
  
  .hero-content {
    flex: none;
    width: 100%;
    text-align: center;
  }
  
  .hero-badge {
    font-size: 0.75rem;
    padding: 6px 14px;
  }
  
  .hero-content h1 {
    font-size: 1.8rem !important;
    line-height: 1.3;
    margin-bottom: 16px;
  }
  
  .hero-desc {
    font-size: 0.9rem;
    margin-bottom: 24px;
  }
  
  .hero-actions {
    flex-direction: column;
    gap: 12px;
    align-items: center;
  }
  
  .hero-actions .btn {
    width: 100%;
    max-width: 280px;
    padding: 14px 24px;
    font-size: 0.95rem;
  }
  
  .hero-visual {
    flex: none;
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
  }
  
  .hero-panel {
    padding: 20px;
  }
  
  .hero-float {
    display: none;
  }
  
  .hero-trust {
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
  }
  
  /* ===== 数据统计 ===== */
  .about-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  
  .about-stat {
    padding: 20px 16px;
  }
  
  .about-stat-value {
    font-size: 1.8rem;
  }
  
  .about-stat-label {
    font-size: 0.8rem;
  }
  
  /* ===== 服务/功能卡片 ===== */
  .services-grid,
  .advantages-grid,
  .features-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .service-card,
  .advantage-card,
  .feature-card {
    padding: 24px 20px;
  }
  
  .service-card h3,
  .advantage-card h3 {
    font-size: 1.1rem;
  }
  
  .service-card p,
  .advantage-card p {
    font-size: 0.85rem;
  }
  
  /* Feature区域 */
  .feature {
    flex-direction: column;
    gap: 24px;
  }
  
  .feature:nth-child(even) {
    flex-direction: column;
  }
  
  .feature-content,
  .feature-image {
    flex: none;
    width: 100%;
  }
  
  .feature-content h2 {
    font-size: 1.4rem;
  }
  
  .feature-list li {
    font-size: 0.9rem;
  }
  
  /* ===== 新闻卡片 ===== */
  .news-card-grid,
  .news-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .news-card {
    flex-direction: row;
    gap: 16px;
  }
  
  .news-card-image {
    flex: 0 0 120px;
    height: 90px;
  }
  
  .news-card-content {
    flex: 1;
    padding: 12px 0;
  }
  
  .news-card-content h3 {
    font-size: 0.95rem !important;
    margin-bottom: 6px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  
  .news-card-content p {
    font-size: 0.8rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 8px;
  }
  
  .news-card-date {
    font-size: 0.7rem;
    margin-bottom: 6px;
  }
  
  .news-card-footer {
    margin-top: 8px;
  }
  
  .news-card-readmore {
    font-size: 0.75rem;
  }
  
  .news-card-views {
    font-size: 0.7rem;
  }
  
  /* 精选新闻 */
  .news-featured {
    flex-direction: column;
  }
  
  .news-featured-image,
  .news-featured-content {
    flex: none;
    width: 100%;
  }
  
  .news-featured-content h2 {
    font-size: 1.2rem !important;
  }
  
  .news-featured-content p {
    font-size: 0.85rem;
  }
  
  /* 新闻标签 */
  .news-tabs {
    flex-wrap: wrap;
    gap: 8px;
  }
  
  .news-tab {
    padding: 8px 14px;
    font-size: 0.8rem;
  }
  
  /* ===== 案例展示 ===== */
  .case-showcase {
    padding: 50px 0;
  }
  
  .case-showcase-item {
    flex-direction: column;
    gap: 24px;
    margin-bottom: 50px;
  }
  
  .case-showcase-image,
  .case-showcase-content {
    flex: none;
    width: 100%;
  }
  
  .case-showcase-image {
    aspect-ratio: 16/10;
  }
  
  .case-showcase-num {
    font-size: 2rem;
    top: 12px;
    left: 12px;
  }
  
  .case-showcase-industry {
    font-size: 0.75rem;
    padding: 6px 14px;
    bottom: 12px;
    right: 12px;
  }
  
  .case-showcase-client {
    font-size: 0.8rem;
    padding: 5px 12px;
  }
  
  .case-showcase-title {
    font-size: 1.2rem !important;
  }
  
  .case-showcase-desc {
    font-size: 0.85rem;
    margin-bottom: 16px;
  }
  
  .case-showcase-results {
    flex-wrap: wrap;
    gap: 20px;
  }
  
  .case-result-value {
    font-size: 1.4rem;
  }
  
  /* 旧版案例卡片 */
  .case-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  /* ===== 页脚 ===== */
  .footer {
    padding: 40px 0 20px;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  
  .footer-brand p {
    font-size: 0.85rem;
  }
  
  .footer-contact-item {
    font-size: 0.85rem;
  }
  
  .footer-col h4 {
    font-size: 1rem;
    margin-bottom: 14px;
  }
  
  .footer-links li a {
    font-size: 0.85rem;
    padding: 4px 0;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
    padding-top: 20px;
  }
  
  .footer-bottom p {
    font-size: 0.75rem;
  }
  
  .footer-bottom-links {
    gap: 16px;
  }
  
  .footer-bottom-links a {
    font-size: 0.75rem;
  }
  
  /* ===== 悬浮侧边栏 ===== */
  .float-sidebar {
    right: 8px;
    bottom: 80px;
    gap: 4px;
  }
  
  .float-sidebar-item {
    width: 44px;
    height: 44px;
    gap: 2px;
  }
  
  .float-sidebar-item svg {
    width: 18px;
    height: 18px;
  }
  
  .float-sidebar-item span {
    font-size: 0.6rem;
  }
  
  .float-popup {
    right: 60px;
    width: 260px;
    padding: 16px;
  }
  
  .float-popup h4 {
    font-size: 0.95rem;
  }
  
  .float-popup p {
    font-size: 0.8rem;
  }
  
  .float-popup input,
  .float-popup textarea {
    padding: 10px;
    font-size: 0.85rem;
  }
  
  .float-popup button {
    padding: 10px;
    font-size: 0.85rem;
  }
  
  .phone-number {
    font-size: 1.1rem;
  }
  
  .qr-code {
    width: 140px;
    height: 140px;
  }
  
  /* 返回顶部 */
  .back-to-top {
    width: 40px;
    height: 40px;
    bottom: 20px;
    right: 12px;
  }
  
  /* ===== 表单 ===== */
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .contact-form {
    padding: 24px 20px;
  }
  
  .contact-form h3 {
    font-size: 1.3rem !important;
  }
  
  .form-desc {
    font-size: 0.85rem;
  }
  
  .form-row {
    flex-direction: column;
    gap: 0;
  }
  
  .form-group {
    width: 100%;
    margin-bottom: 16px;
  }
  
  .form-group.full {
    width: 100%;
  }
  
  .form-group label {
    font-size: 0.85rem;
    margin-bottom: 6px;
  }
  
  .form-group input,
  .form-group select,
  .form-group textarea {
    padding: 12px 14px;
    font-size: 0.9rem;
  }
  
  .form-submit {
    width: 100%;
    padding: 14px;
    font-size: 0.95rem;
  }
  
  /* 联系信息卡片 */
  .contact-info-card {
    padding: 20px;
  }
  
  .contact-info-icon {
    width: 44px;
    height: 44px;
  }
  
  .contact-info-icon svg {
    width: 20px;
    height: 20px;
  }
  
  .contact-info-card h4 {
    font-size: 0.95rem;
  }
  
  .contact-info-card p {
    font-size: 0.85rem;
  }
  
  /* 地图 */
  .contact-map-image img {
    height: 250px !important;
  }
  
  .contact-map-badge {
    font-size: 0.75rem;
    padding: 8px 14px;
    bottom: 10px;
    left: 10px;
  }
  
  .contact-map-badge svg {
    width: 14px;
    height: 14px;
  }
  
  .contact-map-info {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  
  .contact-map-info-item {
    padding: 14px;
  }
  
  .contact-map-info-icon {
    width: 36px;
    height: 36px;
    min-width: 36px;
  }
  
  .contact-map-info-icon svg {
    width: 16px;
    height: 16px;
  }
  
  .contact-map-info-label {
    font-size: 0.7rem;
  }
  
  .contact-map-info-value {
    font-size: 0.85rem;
  }
  
  /* ===== CTA区域 ===== */
  .cta {
    padding: 50px 0;
  }
  
  .cta-content h2 {
    font-size: 1.4rem !important;
  }
  
  .cta-content p {
    font-size: 0.9rem;
  }
  
  .cta-actions {
    flex-direction: column;
    gap: 12px;
    align-items: center;
  }
  
  .cta-actions .btn {
    width: 100%;
    max-width: 260px;
  }
  
  /* ===== 面包屑 ===== */
  .breadcrumb {
    flex-wrap: wrap;
    gap: 4px;
    font-size: 0.75rem;
  }
  
  /* ===== 分页 ===== */
  .news-pagination {
    gap: 6px;
  }
  
  .news-pagination a {
    width: 36px;
    height: 36px;
    font-size: 0.85rem;
  }
  
  /* ===== 文章详情页 ===== */
  .article-detail {
    padding: 0 4px;
  }
  
  .article-title {
    font-size: 1.4rem !important;
  }
  
  .article-meta {
    flex-direction: column;
    gap: 8px;
    font-size: 0.8rem;
  }
  
  .article-content {
    font-size: 0.95rem;
    line-height: 1.8;
  }
  
  .article-content h3 {
    font-size: 1.15rem !important;
    margin-top: 28px;
  }
  
  .article-content h4 {
    font-size: 1rem !important;
  }
  
  .article-content p {
    margin-bottom: 14px;
  }
  
  .article-content ul,
  .article-content ol {
    padding-left: 20px;
  }
  
  .article-content li {
    margin-bottom: 6px;
    font-size: 0.9rem;
  }
  
  .article-tags {
    gap: 8px;
  }
  
  .article-tag {
    padding: 5px 12px;
    font-size: 0.75rem;
  }
  
  .article-nav {
    flex-direction: column;
    gap: 12px;
  }
  
  .article-nav a {
    padding: 14px 16px;
    font-size: 0.85rem;
  }
  
  /* ===== 荣誉资质 ===== */
  .honors-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  
  .honor-card {
    padding: 16px;
  }
  
  .honor-card img {
    height: 180px;
  }
  
  .honor-card h4 {
    font-size: 0.85rem;
    margin-top: 10px;
  }
  
  /* ===== 合作客户logo ===== */
  .client-logo-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
  }
  
  .client-logo-card {
    padding: 16px 12px;
    height: 80px;
  }
  
  .client-logo-card img {
    max-height: 40px;
  }
  
  /* 合作伙伴 */
  .partners-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  
  .partner-item {
    padding: 20px 16px;
  }
  
  .partner-logo {
    width: 44px;
    height: 44px;
    font-size: 0.9rem;
  }
  
  .partner-name {
    font-size: 0.9rem;
  }
  
  .partner-desc {
    font-size: 0.75rem;
  }
  
  /* ===== 行业网格 ===== */
  .industry-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
  }
  
  .industry-item {
    padding: 16px 8px;
  }
  
  .industry-icon {
    width: 32px;
    height: 32px;
    margin-bottom: 8px;
  }
  
  .industry-icon svg {
    width: 22px;
    height: 22px;
  }
  
  .industry-name {
    font-size: 0.75rem;
  }
  
  /* ===== 服务流程 ===== */
  .process-steps {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  
  .process-step {
    padding: 20px 16px;
  }
  
  .process-step-num {
    width: 36px;
    height: 36px;
    font-size: 1rem;
  }
  
  .process-step h4 {
    font-size: 0.95rem;
  }
  
  .process-step p {
    font-size: 0.8rem;
  }
  
  /* ===== 产品矩阵/平台logo ===== */
  .platform-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
  }
  
  .platform-item {
    padding: 16px 12px;
  }
  
  .platform-item img {
    height: 28px;
  }
  
  .platform-item span {
    font-size: 0.75rem;
  }
  
  /* ===== 图片灯箱 ===== */
  .lightbox-content {
    max-width: 95%;
    max-height: 85vh;
  }
  
  .lightbox-close {
    top: 10px;
    right: 10px;
    width: 36px;
    height: 36px;
  }
  
  .lightbox-nav {
    width: 40px;
    height: 40px;
  }
  
  /* ===== 轮播图 ===== */
  .carousel {
    height: 250px;
  }
  
  .carousel-btn {
    width: 36px;
    height: 36px;
  }
  
  .carousel-dot {
    width: 8px;
    height: 8px;
  }
  
  /* ===== 页面Banner ===== */
  .page-banner {
    padding: 50px 0 40px;
    min-height: auto;
  }
  
  .page-banner h1 {
    font-size: 1.8rem !important;
  }
  
  .page-banner p {
    font-size: 0.9rem;
  }
  
  .page-banner-label {
    font-size: 0.7rem;
    margin-bottom: 12px;
  }
  
  /* ===== 按钮 ===== */
  .btn {
    padding: 12px 24px;
    font-size: 0.9rem;
  }
  
  .btn-primary,
  .btn-outline {
    min-height: 44px;
  }
  
  /* ===== 图片通用 ===== */
  img {
    max-width: 100%;
    height: auto;
  }
  
  /* ===== 表格通用 ===== */
  table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  
  /* ===== 光标效果（手机端禁用） ===== */
  .cursor-glow {
    display: none;
  }
}

/* ===== 480px 小手机 ===== */
@media (max-width: 480px) {
  .container {
    padding: 0 12px;
  }
  
  h1 { font-size: 1.5rem !important; }
  h2 { font-size: 1.3rem !important; }
  h3 { font-size: 1.1rem !important; }
  
  .page-section {
    padding: 40px 0;
  }
  
  /* Hero */
  .hero-content h1 {
    font-size: 1.5rem !important;
  }
  
  .hero-desc {
    font-size: 0.85rem;
  }
  
  /* 数据统计 */
  .about-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  
  .about-stat {
    padding: 16px 12px;
  }
  
  .about-stat-value {
    font-size: 1.5rem;
  }
  
  .about-stat-label {
    font-size: 0.7rem;
  }
  
  /* 新闻卡片 - 小屏幕改为上下布局 */
  .news-card {
    flex-direction: column;
    gap: 0;
  }
  
  .news-card-image {
    flex: none;
    width: 100%;
    height: 160px;
  }
  
  .news-card-content {
    padding: 14px;
  }
  
  .news-card-content h3 {
    font-size: 1rem !important;
  }
  
  /* 行业网格 */
  .industry-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  /* 合作客户logo */
  .client-logo-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  /* 荣誉资质 */
  .honors-grid {
    grid-template-columns: 1fr;
  }
  
  .honor-card img {
    height: 220px;
  }
  
  /* 合作伙伴 */
  .partners-grid {
    grid-template-columns: 1fr;
  }
  
  /* 服务流程 */
  .process-steps {
    grid-template-columns: 1fr;
  }
  
  /* 平台logo */
  .platform-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  /* 悬浮侧边栏 */
  .float-sidebar {
    right: 6px;
    bottom: 70px;
  }
  
  .float-sidebar-item {
    width: 40px;
    height: 40px;
  }
  
  .float-sidebar-item svg {
    width: 16px;
    height: 16px;
  }
  
  .float-sidebar-item span {
    font-size: 0.55rem;
  }
  
  .float-popup {
    right: 52px;
    width: 240px;
    padding: 14px;
  }
  
  /* 导航 */
  .logo-img {
    height: 28px;
  }
  
  .nav-cta .btn {
    padding: 6px 12px !important;
    font-size: 0.75rem !important;
  }
  
  /* 地图 */
  .contact-map-image img {
    height: 200px !important;
  }
  
  .contact-map-badge {
    font-size: 0.7rem;
    padding: 6px 10px;
  }
  
  /* CTA */
  .cta-content h2 {
    font-size: 1.2rem !important;
  }
  
  /* 文章详情 */
  .article-title {
    font-size: 1.2rem !important;
  }
  
  .article-content {
    font-size: 0.9rem;
  }
  
  .article-content h3 {
    font-size: 1.05rem !important;
  }
  
  /* 页脚 */
  .footer-bottom p {
    font-size: 0.7rem;
    line-height: 1.5;
  }
}

/* ===== 横屏手机优化 ===== */
@media (max-width: 768px) and (orientation: landscape) {
  .hero {
    min-height: auto;
    padding: 40px 0;
  }
  
  .hero .container {
    flex-direction: row;
    align-items: center;
  }
  
  .hero-content {
    text-align: left;
  }
  
  .hero-visual {
    max-width: 300px;
  }
}


/* ============================================================
   手机端补充优化（电脑端不变）
   1. 首页第一屏文字与视觉区域换位
   2. 底部导航栏简化（只保留品牌、联系信息、版权）
   3. 文字描述简化与排版优化
   ============================================================ */

@media (max-width: 768px) {
  /* ===== 1. 首页第一屏：文字在上，视觉区域在下 ===== */
  .hero .container {
    display: flex !important;
    flex-direction: column !important;
    gap: 24px;
    padding: 0 16px;
    max-width: 100%;
  }
  
  .hero-content {
    text-align: center;
    order: 1;
    width: 100%;
  }
  
  .hero-visual {
    order: 2;
    max-width: 320px;
    margin: 0 auto;
    width: 100%;
  }
  
  .hero-content h1 {
    font-size: 1.6rem !important;
    margin-bottom: 12px;
    line-height: 1.35;
  }
  
  .hero-desc {
    font-size: 0.85rem;
    line-height: 1.7;
    margin-bottom: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  
  .hero-badge {
    margin-bottom: 12px;
    font-size: 0.7rem;
    padding: 5px 12px;
  }
  
  .hero-actions {
    margin-bottom: 0;
  }
  
  .hero-actions .btn {
    padding: 12px 20px;
    font-size: 0.9rem;
    min-height: 42px;
  }
  
  .hero-panel {
    padding: 16px;
  }
  
  .hero-trust {
    margin-top: 16px;
    gap: 12px;
  }
  
  .hero-trust-item {
    gap: 6px;
  }
  
  .hero-trust-value {
    font-size: 1rem;
  }
  
  .hero-trust-label {
    font-size: 0.65rem;
  }
  
  /* ===== 2. 底部导航栏简化：只保留品牌、联系信息、版权 ===== */
  .footer-grid {
    grid-template-columns: 1fr !important;
    gap: 24px;
  }
  
  /* 隐藏服务项目、营销服务、关于我们三列 */
  .footer-grid .footer-col {
    display: none !important;
  }
  
  /* 只保留品牌列 */
  .footer-brand {
    display: block !important;
    text-align: center;
  }
  
  .footer-brand .logo {
    justify-content: center;
    margin-bottom: 12px;
  }
  
  .footer-brand p {
    font-size: 0.8rem;
    line-height: 1.7;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  
  .footer-contact {
    justify-content: center;
    gap: 12px;
  }
  
  .footer-contact-item {
    font-size: 0.8rem;
    gap: 6px;
  }
  
  .footer-contact-item svg {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 10px;
    text-align: center;
    padding-top: 20px;
    margin-top: 20px;
  }
  
  .footer-bottom p {
    font-size: 0.7rem;
    line-height: 1.6;
  }
  
  .footer-bottom-links {
    gap: 12px;
    justify-content: center;
  }
  
  .footer-bottom-links a {
    font-size: 0.7rem;
  }
  
  .footer {
    padding: 32px 0 16px;
  }
  
  /* ===== 3. 文字描述简化与排版优化 ===== */
  
  /* 板块副标题 */
  .section-subtitle,
  .page-section-header p {
    font-size: 0.85rem;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  
  .section-title {
    font-size: 1.4rem !important;
    margin-bottom: 10px;
  }
  
  .section-label {
    font-size: 0.7rem;
    margin-bottom: 8px;
  }
  
  .section-header,
  .page-section-header {
    margin-bottom: 28px;
  }
  
  /* 服务卡片描述 */
  .service-card p,
  .advantage-card p {
    font-size: 0.8rem;
    line-height: 1.65;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 0;
  }
  
  .service-card h3,
  .advantage-card h3 {
    font-size: 1rem !important;
    margin-bottom: 8px;
  }
  
  .service-card,
  .advantage-card {
    padding: 20px 16px;
  }
  
  /* Feature区域描述 */
  .feature-content p {
    font-size: 0.85rem;
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  
  .feature-content h2 {
    font-size: 1.3rem !important;
    margin-bottom: 10px;
  }
  
  .feature-list li {
    font-size: 0.85rem;
    padding: 6px 0;
  }
  
  /* 新闻卡片描述 */
  .news-card-content p {
    font-size: 0.78rem;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 8px;
  }
  
  .news-featured-content p {
    font-size: 0.85rem;
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  
  .news-featured-content h2 {
    font-size: 1.15rem !important;
    margin-bottom: 10px;
  }
  
  /* 案例展示描述 */
  .case-showcase-desc {
    font-size: 0.82rem;
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 14px;
  }
  
  .case-showcase-title {
    font-size: 1.1rem !important;
    margin-bottom: 10px;
  }
  
  .case-showcase-client {
    font-size: 0.75rem;
    padding: 4px 10px;
    margin-bottom: 10px;
  }
  
  .case-showcase-results {
    gap: 16px;
    padding-top: 14px;
  }
  
  .case-result-value {
    font-size: 1.2rem;
  }
  
  .case-result-label {
    font-size: 0.7rem;
  }
  
  /* CTA区域描述 */
  .cta-content p {
    font-size: 0.85rem;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  
  .cta-content h2 {
    font-size: 1.3rem !important;
    margin-bottom: 10px;
  }
  
  /* 关于我们页面描述 */
  .about-intro-text p {
    font-size: 0.85rem;
    line-height: 1.7;
  }
  
  /* 联系页面描述 */
  .form-desc {
    font-size: 0.82rem;
    line-height: 1.6;
  }
  
  .contact-info-card p {
    font-size: 0.82rem;
    line-height: 1.6;
  }
  
  /* 文章详情页描述优化 */
  .article-content p {
    font-size: 0.92rem;
    line-height: 1.85;
    margin-bottom: 12px;
  }
  
  .article-content h3 {
    font-size: 1.1rem !important;
    margin: 24px 0 12px;
  }
  
  .article-content h4 {
    font-size: 0.95rem !important;
    margin: 18px 0 10px;
  }
  
  .article-content ul,
  .article-content ol {
    padding-left: 18px;
    margin-bottom: 12px;
  }
  
  .article-content li {
    font-size: 0.88rem;
    margin-bottom: 6px;
    line-height: 1.75;
  }
  
  .article-title {
    font-size: 1.3rem !important;
    margin-bottom: 14px;
  }
  
  .article-header {
    margin-bottom: 28px;
  }
  
  .article-image {
    margin-bottom: 28px;
  }
  
  /* 合作伙伴描述 */
  .partner-desc {
    font-size: 0.7rem;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  
  .partner-name {
    font-size: 0.82rem;
    margin-bottom: 4px;
  }
  
  /* 平台logo描述 */
  .platform-item span {
    font-size: 0.7rem;
  }
  
  /* 服务流程描述 */
  .process-step p {
    font-size: 0.78rem;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  
  .process-step h4 {
    font-size: 0.9rem !important;
    margin-bottom: 6px;
  }
  
  /* 页面Banner描述 */
  .page-banner p {
    font-size: 0.85rem;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  
  /* 通用段落间距优化 */
  p {
    line-height: 1.7;
  }
  
  /* 板块间距优化 */
  .page-section {
    padding: 44px 0;
  }
  
  .section.alt {
    padding: 44px 0;
  }
}

/* ===== 480px 小手机额外优化 ===== */
@media (max-width: 480px) {
  .hero-content h1 {
    font-size: 1.4rem !important;
  }
  
  .hero-desc {
    -webkit-line-clamp: 2;
    font-size: 0.8rem;
  }
  
  .hero-visual {
    max-width: 280px;
  }
  
  .section-title {
    font-size: 1.25rem !important;
  }
  
  .section-subtitle {
    font-size: 0.8rem;
  }
  
  .footer-brand p {
    -webkit-line-clamp: 3;
  }
  
  .case-showcase-desc {
    -webkit-line-clamp: 4;
  }
  
  .feature-content p {
    -webkit-line-clamp: 4;
  }
  
  .article-content p {
    font-size: 0.88rem;
  }
  
  .article-title {
    font-size: 1.15rem !important;
  }
}