/* =============================================================================
   易境通海外仓官网专用 style.css（约 1770 行）
   路径：haiwaicang/api/public/static/site/css/style.css
   切勿上传打单 dadan/api/.../style.css（约 361 行，首行「甲壳虫-跨境打单」）
   ============================================================================= */
/* ==================== 全局重置 & 基础变量 ==================== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  /* 易境通官网 全局色彩变量 V1.0 */
  --color-primary: #0099F7;
  --color-primary-hover: #0088DD;
  --color-primary-active: #0077C2;
  --color-primary-light: #E6F4FF;
  --color-action-orange: #FF6821;
  --color-orange-hover: #E85F20;
  --color-success: #00C46C;
  --color-danger: #F23F3F;
  --color-aux-purple: #7B61FF;
  --color-mask: rgba(0, 0, 0, 0.55);
  --color-gray-0: #FFFFFF;
  --color-gray-1: #F7FAFD;
  --color-gray-2: #E4EBF5;
  --color-gray-3: #8A9BB3;
  --color-gray-4: #404E66;
  --color-gray-5: #1A2333;

  /* 兼容别名（统一云蓝主题，橙色仅用于热门/活动角标） */
  --primary: var(--color-primary);
  --primary-hover: var(--color-primary-hover);
  --primary-light: var(--color-primary-light);
  --primary-dark: var(--color-primary-active);
  --accent: var(--color-primary);
  --accent-light: var(--color-primary-hover);
  --bg-light: var(--color-gray-1);
  --bg-gray: var(--color-gray-1);
  --text-dark: var(--color-gray-5);
  --text-body: var(--color-gray-4);
  --text-light: var(--color-gray-3);
  --border: var(--color-gray-2);
  --white: var(--color-gray-0);
  --green: var(--color-success);

  --shadow-sm: 0 2px 8px rgba(0, 153, 247, 0.06);
  --shadow-md: 0 8px 30px rgba(0, 153, 247, 0.10);
  --shadow-lg: 0 20px 60px rgba(0, 153, 247, 0.15);
  --radius: 12px;
  --radius-lg: 20px;
  --max-width: 1200px;
  --font: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Noto Sans SC", sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--text-body);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

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

/* ==================== 导航栏 ==================== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow 0.3s ease;
}
.navbar.scrolled { box-shadow: var(--shadow-sm); }

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: var(--color-gray-5);
}
.logo-icon {
  width: 38px; height: 38px;
  background: var(--color-primary);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 20px;
}

.nav-links {
  display: flex;
  gap: 36px;
  align-items: center;
}
.nav-links a {
  font-size: 15px;
  color: var(--text-body);
  font-weight: 500;
  transition: color 0.2s;
  position: relative;
}
.nav-links a:hover, .nav-links a.active { color: var(--primary); }
.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -22px; left: 0; right: 0;
  height: 3px;
  background: var(--primary);
  border-radius: 3px;
}

.nav-actions { display: flex; gap: 12px; align-items: center; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 24px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.25s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover { background: var(--color-primary-hover); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-primary:active { background: var(--color-primary-active); }
.btn-accent {
  background: var(--color-primary);
  color: #fff;
}
.btn-accent:hover { background: var(--color-primary-hover); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-accent:active { background: var(--color-primary-active); }
.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 1.5px solid var(--primary);
}
.btn-outline:hover { background: var(--color-primary-hover); border-color: var(--color-primary-hover); color: #fff; }
.btn-ghost {
  background: transparent;
  color: var(--text-body);
}
.btn-ghost:hover { color: var(--primary); }
.btn-lg { padding: 14px 32px; font-size: 16px; }

.mobile-toggle { display: none; font-size: 24px; background: none; border: none; cursor: pointer; color: var(--text-dark); }

/* ==================== Hero ==================== */
.hero {
  padding: 130px 0 80px;
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-gray-1) 50%, var(--color-gray-0) 100%);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -100px; right: -100px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(0, 153, 247, 0.08) 0%, transparent 70%);
  border-radius: 50%;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -150px; left: -100px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(0, 153, 247, 0.06) 0%, transparent 70%);
  border-radius: 50%;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 153, 247, 0.08);
  color: var(--primary);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 24px;
}
.hero-badge .dot {
  width: 8px; height: 8px;
  background: var(--green);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.hero h1 {
  font-size: 46px;
  line-height: 1.25;
  color: var(--text-dark);
  font-weight: 800;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}
.hero h1 .highlight {
  color: var(--primary);
  position: relative;
}
.hero h1 .highlight::after {
  content: '';
  position: absolute;
  bottom: 2px; left: 0; right: 0;
  height: 8px;
  background: rgba(0, 153, 247, 0.15);
  z-index: -1;
  border-radius: 4px;
}

.hero p.hero-desc {
  font-size: 17px;
  color: var(--text-body);
  margin-bottom: 32px;
  line-height: 1.8;
}

.hero-actions { display: flex; gap: 16px; margin-bottom: 40px; }

.hero-stats {
  display: flex;
  gap: 40px;
}
.hero-stat .num {
  font-size: 28px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}
.hero-stat .label {
  font-size: 13px;
  color: var(--text-light);
  margin-top: 6px;
}

/* Hero 视觉 mockup */
.hero-visual {
  position: relative;
}
.hero-mockup {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  border: 1px solid var(--border);
}
.mockup-bar {
  height: 40px;
  background: var(--bg-gray);
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 16px;
  border-bottom: 1px solid var(--border);
}
.mockup-bar span {
  width: 12px; height: 12px;
  border-radius: 50%;
}
.mockup-bar span:nth-child(1) { background: #FF5F57; }
.mockup-bar span:nth-child(2) { background: #FEBC2E; }
.mockup-bar span:nth-child(3) { background: #28C840; }

.mockup-content { padding: 20px; }
.mockup-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}
.mockup-title { font-size: 15px; font-weight: 700; color: var(--text-dark); }
.mockup-tag {
  font-size: 12px;
  background: rgba(0, 196, 108, 0.1);
  color: var(--green);
  padding: 3px 10px;
  border-radius: 50px;
  font-weight: 600;
}

.mockup-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}
.mockup-card {
  background: var(--bg-light);
  border-radius: 10px;
  padding: 14px;
  text-align: center;
}
.mockup-card .mc-icon { margin-bottom: 6px; color: var(--primary); display: flex; justify-content: center; }
.mockup-card .mc-val { font-size: 20px; font-weight: 700; color: var(--primary); }
.mockup-card .mc-label { font-size: 11px; color: var(--text-light); margin-top: 2px; }

.mockup-chart {
  background: var(--bg-light);
  border-radius: 10px;
  padding: 16px;
  height: 140px;
  display: flex;
  align-items: flex-end;
  justify-content: space-around;
  gap: 8px;
}
.mockup-bar-item {
  width: 100%;
  background: linear-gradient(180deg, var(--color-primary-hover), var(--color-primary));
  border-radius: 4px 4px 0 0;
  opacity: 0.85;
  transition: opacity 0.3s;
}
.mockup-bar-item:hover { opacity: 1; }

/* Floating cards */
.float-card {
  position: absolute;
  background: #fff;
  border-radius: 12px;
  box-shadow: var(--shadow-md);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
}
.float-card .fc-icon {
  width: 36px; height: 36px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
}
.float-card-1 {
  top: -20px; right: -30px;
  animation: float 4s ease-in-out infinite;
}
.float-card-1 .fc-icon { background: rgba(0, 196, 108, 0.12); color: var(--green); }
.float-card-2 {
  bottom: -20px; left: -30px;
  animation: float 4s ease-in-out infinite 2s;
}
.float-card-2 .fc-icon { background: rgba(0, 153, 247, 0.12); color: var(--color-primary); }
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* ==================== 通用 section ==================== */
.section { padding: 90px 0; }
.section-alt { background: var(--bg-light); }

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 56px;
}
.section-tag {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 5px 14px;
  border-radius: 50px;
  margin-bottom: 16px;
}
.section-header h2 {
  font-size: 36px;
  font-weight: 800;
  color: var(--text-dark);
  line-height: 1.3;
  margin-bottom: 16px;
}
.section-header p {
  font-size: 16px;
  color: var(--text-light);
  line-height: 1.7;
}

/* ==================== 功能模块 ==================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.feature-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}
.feature-card:hover {
  background: var(--color-primary-light);
  border-color: var(--border);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.feature-card:hover::before { transform: scaleX(1); }

.feature-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
  background: rgba(0, 153, 247, 0.08);
  color: var(--primary);
}
.feature-icon .cms-slot-icon-img,
.solution-icon .cms-slot-icon-img {
  object-fit: contain;
}
.value-icon .cms-slot-icon-img {
  width: 28px;
  height: 28px;
  object-fit: contain;
}
.hcb-icon .cms-slot-icon-img {
  object-fit: contain;
}
.cms-partner-logo-img {
  max-width: 72%;
  max-height: 48px;
  width: auto;
  height: auto;
  object-fit: contain;
}
.case-header .cms-case-logo-img {
  max-width: 120px;
  max-height: 36px;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
}
.cms-slot-image {
  object-fit: contain;
}
.feature-card h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 10px;
}
.feature-card p {
  font-size: 14.5px;
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 16px;
}
.feature-card ul li {
  font-size: 13.5px;
  color: var(--text-body);
  padding: 4px 0;
  padding-left: 20px;
  position: relative;
}
.feature-card ul li::before {
  content: '';
  position: absolute;
  left: 0; top: 12px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
}

/* ==================== 解决方案场景 ==================== */
.solutions-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.solution-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
  border: 1px solid var(--border);
  transition: all 0.3s;
  cursor: pointer;
}
.solution-card:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.solution-icon {
  width: 64px; height: 64px;
  margin: 0 auto 16px;
  border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0, 153, 247, 0.08);
  color: var(--color-primary);
}
.solution-card h4 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
}
.solution-card p {
  font-size: 13.5px;
  color: var(--text-light);
  line-height: 1.6;
}

/* ==================== 产品优势 ==================== */
.advantages {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.advantage-list .adv-item {
  display: flex;
  gap: 18px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}
.advantage-list .adv-item:last-child { border-bottom: none; }
.adv-num {
  flex-shrink: 0;
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--color-primary);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  font-weight: 700;
  overflow: hidden;
}
.adv-icon-img {
  /* width: 100%;
  height: 100%; */
  object-fit: cover;
  display: block;
}
.adv-content h4 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 6px;
}
.adv-content p {
  font-size: 14.5px;
  color: var(--text-light);
  line-height: 1.7;
}

.advantage-visual {
  position: relative;
}
.advantage-visual img,
.advantage-visual-img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}
.advantage-visual .adv-badge {
  position: absolute;
  bottom: -24px; right: -24px;
  background: #fff;
  border-radius: 16px;
  box-shadow: var(--shadow-md);
  padding: 20px 28px;
  text-align: center;
}
.adv-badge .ab-num { font-size: 32px; font-weight: 800; color: var(--color-primary); }
.adv-badge .ab-label { font-size: 13px; color: var(--text-light); }

/* ==================== 客户案例 ==================== */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.case-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: all 0.3s;
}
.case-card:hover {
  background: var(--color-primary-light);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.case-header {
  padding: 28px 24px 20px;
  background: linear-gradient(135deg, var(--color-primary-active), var(--color-primary));
  color: #fff;
}
.case-header .case-logo {
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 8px;
}
.case-header .case-tag {
  font-size: 12px;
  background: rgba(255,255,255,0.15);
  padding: 3px 10px;
  border-radius: 50px;
}
.case-body { padding: 24px; }
.case-body p { font-size: 14px; color: var(--text-body); line-height: 1.7; margin-bottom: 16px; }
.case-stats { display: flex; gap: 20px; padding-top: 16px; border-top: 1px solid var(--border); }
.case-stat .cs-num { font-size: 22px; font-weight: 800; color: var(--primary); }
.case-stat .cs-label { font-size: 12px; color: var(--text-light); }

/* ==================== CTA ==================== */
.cta-section {
  padding: 70px 0;
  background: linear-gradient(135deg, var(--color-primary-active), var(--color-primary));
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: -50%; left: -10%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(0, 153, 247, 0.1) 0%, transparent 60%);
  border-radius: 50%;
}
.cta-inner {
  position: relative;
  z-index: 1;
}
.cta-section h2 {
  font-size: 34px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
}
.cta-section p {
  font-size: 17px;
  color: rgba(255,255,255,0.8);
  margin-bottom: 32px;
}
.cta-section .btn { padding: 14px 36px; }

/* CTA 云蓝底：主按钮白底蓝字，次按钮白描边，避免 hover 与背景同色 */
.cta-section .btn-primary {
  background: var(--color-gray-0);
  color: var(--color-primary);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}
.cta-section .btn-primary:hover {
  background: var(--color-primary-light);
  color: var(--color-primary-active);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.16);
}
.cta-section .btn-primary:active {
  background: var(--color-gray-0);
  color: var(--color-primary-active);
}

.cta-section .btn-outline {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.55);
  color: #fff;
}
.cta-section .btn-outline:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: #fff;
  color: #fff;
}

/* 资讯 CTA 订阅按钮（白底输入框内） */
.cta-section .cta-subscribe-btn {
  background: var(--color-primary);
  color: var(--color-gray-0);
  border: none;
  padding: 0 28px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font);
  transition: background 0.25s ease;
}
.cta-section .cta-subscribe-btn:hover { background: var(--color-primary-hover); }

/* ==================== 页脚 ==================== */
.footer {
  background: #0E1A2E;
  color: rgba(255,255,255,0.7);
  padding: 60px 0 0;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.5fr repeat(5, 1fr);
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand .logo { color: #fff; margin-bottom: 16px; }
.footer-brand .footer-logo-img { display: block; height: 36px; width: auto; max-width: 200px; object-fit: contain; }
.footer-brand p { font-size: 14px; line-height: 1.8; max-width: 280px; }
.footer-col h5 {
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 16px;
}
.footer-col ul li { padding: 5px 0; }
.footer-col ul li a {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  transition: color 0.2s;
}
.footer-col ul li a:hover { color: #fff; }

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-contact .fc-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255,255,255,0.6);
}
.footer-contact .fc-item svg {
  flex-shrink: 0;
  opacity: 0.5;
}

.footer-bottom {
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: rgba(255,255,255,0.4);
}

/* ==================== 帮助中心样式 ==================== */
.help-hero {
  padding: 130px 0 60px;
  background: linear-gradient(135deg, var(--color-primary-active) 0%, var(--color-primary) 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.help-hero::before {
  content: '';
  position: absolute;
  top: 20%; right: 10%;
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(0, 153, 247, 0.08) 0%, transparent 70%);
  border-radius: 50%;
}
.help-hero h1 {
  font-size: 40px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
}
.help-hero p {
  font-size: 17px;
  color: rgba(255,255,255,0.7);
  margin-bottom: 36px;
  position: relative;
  z-index: 1;
}
.help-search {
  position: relative;
  z-index: 1;
  max-width: 600px;
  margin: 0 auto;
  display: flex;
  background: #fff;
  border-radius: 12px;
  padding: 6px;
  box-shadow: var(--shadow-lg);
}
.help-search input {
  flex: 1;
  border: none;
  outline: none;
  padding: 14px 20px;
  font-size: 15px;
  background: transparent;
  font-family: var(--font);
}
.help-search button {
  background: var(--primary);
  color: #fff;
  border: none;
  padding: 0 28px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
  font-family: var(--font);
}
.help-search button:hover { background: var(--color-primary-hover); }

.help-popular {
  margin-top: 24px;
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}
.help-popular span {
  color: rgba(255,255,255,0.5);
  font-size: 14px;
  align-self: center;
}
.help-popular a {
  font-size: 14px;
  color: rgba(255,255,255,0.8);
  background: rgba(255,255,255,0.08);
  padding: 5px 14px;
  border-radius: 50px;
  transition: all 0.2s;
}
.help-popular a:hover { background: rgba(255,255,255,0.15); color: #fff; }

/* Help categories */
.help-categories {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: -40px;
  position: relative;
  z-index: 2;
}
.help-cat-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 28px 24px;
  border: 1px solid var(--border);
  text-align: center;
  transition: all 0.3s;
  cursor: pointer;
}
.help-cat-card:hover {
  border-color: var(--border);
  background: var(--color-primary-light);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.help-cat-icon {
  width: 56px; height: 56px;
  margin: 0 auto 14px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0, 153, 247, 0.08);
  color: var(--primary);
}
.help-cat-card h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 6px;
}
.help-cat-card p {
  font-size: 13px;
  color: var(--text-light);
}

/* FAQ section */
.faq-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 48px;
  align-items: start;
}

.faq-sidebar {
  position: sticky;
  top: 90px;
}
.faq-sidebar h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--primary);
}
.faq-cat-list li {
  padding: 12px 16px;
  font-size: 14.5px;
  color: var(--text-body);
  cursor: pointer;
  border-radius: 8px;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
}
.faq-cat-list li:hover { background: var(--bg-light); color: var(--primary); }
.faq-cat-list li.active {
  background: var(--primary);
  color: #fff;
  font-weight: 600;
}
.faq-cat-list li.active:hover {
  background: var(--color-primary-hover);
  color: #fff;
}
.faq-cat-list li .cat-count {
  font-size: 12px;
  background: rgba(0,0,0,0.06);
  padding: 2px 8px;
  border-radius: 50px;
}
.faq-cat-list li.active .cat-count {
  background: rgba(255,255,255,0.2);
}

.faq-content h3 {
  font-size: 24px;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 24px;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 14px;
  overflow: hidden;
  transition: all 0.2s;
}
.faq-item.active { border-color: var(--color-primary); box-shadow: var(--shadow-sm); }
.faq-question {
  padding: 18px 24px;
  font-size: 15.5px;
  font-weight: 600;
  color: var(--text-dark);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background 0.2s;
}
.faq-question:hover { background: var(--bg-light); }
.faq-question .faq-icon {
  flex-shrink: 0;
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--bg-gray);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  color: var(--primary);
  transition: all 0.3s;
}
.faq-item.active .faq-icon {
  background: var(--primary);
  color: #fff;
  transform: rotate(45deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 24px;
}
.faq-item.active .faq-answer {
  max-height: 500px;
  padding: 0 24px 20px;
}
.faq-answer p {
  font-size: 14.5px;
  color: var(--text-body);
  line-height: 1.8;
}
.faq-answer ul {
  margin-top: 10px;
  padding-left: 20px;
}
.faq-answer ul li {
  font-size: 14px;
  color: var(--text-body);
  padding: 3px 0;
  list-style: disc;
}
.faq-answer .faq-note {
  margin-top: 12px;
  padding: 12px 16px;
  background: rgba(0, 153, 247, 0.04);
  border-left: 3px solid var(--primary);
  border-radius: 0 8px 8px 0;
  font-size: 13.5px;
  color: var(--text-body);
}

/* Help contact bar */
.help-contact-bar {
  background: linear-gradient(135deg, var(--bg-light), #fff);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 32px;
  text-align: center;
}
.hcb-item .hcb-icon {
  width: 56px; height: 56px;
  margin: 0 auto 14px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
}
.hcb-item:nth-child(1) .hcb-icon { background: rgba(0, 153, 247, 0.1); color: var(--primary); }
.hcb-item:nth-child(2) .hcb-icon { background: rgba(0, 196, 108, 0.1); color: var(--green); }
.hcb-item:nth-child(3) .hcb-icon { background: rgba(0, 153, 247, 0.1); color: var(--color-primary); }
.hcb-item h4 { font-size: 17px; font-weight: 700; color: var(--text-dark); margin-bottom: 6px; }
.hcb-item p { font-size: 14px; color: var(--text-light); }
.hcb-item .hcb-link {
  margin-top: 10px;
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
}

/* ==================== 页面通用 Hero（子页面用） ==================== */
.page-hero {
  padding: 130px 0 60px;
  background: linear-gradient(135deg, var(--color-primary-active) 0%, var(--color-primary) 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  top: 10%; right: 5%;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(0, 153, 247, 0.08) 0%, transparent 70%);
  border-radius: 50%;
}
.page-hero::after {
  content: '';
  position: absolute;
  bottom: -20%; left: -5%;
  width: 350px; height: 350px;
  background: radial-gradient(circle, rgba(0, 153, 247, 0.15) 0%, transparent 70%);
  border-radius: 50%;
}
.page-hero h1 {
  font-size: 42px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
}
.page-hero p {
  font-size: 17px;
  color: rgba(255,255,255,0.75);
  max-width: 620px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.page-hero .hero-badge {
  background: rgba(255,255,255,0.1);
  color: #fff;
  position: relative;
  z-index: 1;
}

/* ==================== 价格页 ==================== */
.pricing-toggle {
  display: flex;
  justify-content: center;
  gap: 0;
  margin-bottom: 48px;
  background: var(--bg-gray);
  border-radius: 50px;
  padding: 5px;
  width: fit-content;
  margin-left: auto;
  margin-right: auto;
}
.pricing-toggle button {
  padding: 10px 28px;
  border: none;
  background: transparent;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-light);
  cursor: pointer;
  border-radius: 50px;
  transition: all 0.25s;
  font-family: var(--font);
}
.pricing-toggle button.active {
  background: var(--primary);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.pricing-toggle .save-tag {
  font-size: 11px;
  background: var(--color-action-orange);
  color: #fff;
  padding: 2px 8px;
  border-radius: 50px;
  margin-left: 6px;
  vertical-align: middle;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: start;
}
.price-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  transition: all 0.3s;
  position: relative;
}
.price-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}
.price-card.popular {
  border: 2px solid var(--primary);
  box-shadow: var(--shadow-md);
}
.popular-badge {
  position: absolute;
  top: -14px; left: 50%;
  transform: translateX(-50%);
  background: var(--color-action-orange);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  padding: 5px 18px;
  border-radius: 50px;
  white-space: nowrap;
}
.price-card .plan-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
}
.price-card .plan-desc {
  font-size: 14px;
  color: var(--text-light);
  margin-bottom: 24px;
  line-height: 1.6;
}
.price-card .plan-price {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 4px;
}
.price-card .plan-price .currency { font-size: 20px; font-weight: 700; color: var(--primary); }
.price-card .plan-price .amount { font-size: 44px; font-weight: 800; color: var(--text-dark); }
.price-card .plan-price .period { font-size: 15px; color: var(--text-light); }
.price-card .plan-unit {
  font-size: 13px;
  color: var(--text-light);
  margin-bottom: 28px;
}
.price-card .btn { width: 100%; margin-bottom: 28px; }
.price-features {
  border-top: 1px solid var(--border);
  padding-top: 24px;
}
.price-features li {
  font-size: 14px;
  color: var(--text-body);
  padding: 7px 0;
  padding-left: 28px;
  position: relative;
}
.price-features li::before {
  content: '✓';
  position: absolute;
  left: 0; top: 7px;
  width: 18px; height: 18px;
  background: rgba(0, 196, 108, 0.12);
  color: var(--green);
  border-radius: 50%;
  font-size: 11px;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.price-features li.disabled { color: var(--text-light); }
.price-features li.disabled::before {
  content: '—';
  background: var(--bg-gray);
  color: var(--text-light);
}

/* 价格对比表 */
.compare-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.compare-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 700px;
}
.compare-table th, .compare-table td {
  padding: 16px 20px;
  text-align: center;
  border-bottom: 1px solid var(--border);
  font-size: 14.5px;
}
.compare-table th {
  background: var(--bg-light);
  font-weight: 700;
  color: var(--text-dark);
  font-size: 16px;
}
.compare-table th:first-child, .compare-table td:first-child {
  text-align: left;
  font-weight: 600;
  color: var(--text-dark);
}
.compare-table th.popular-col {
  background: var(--primary);
  color: #fff;
  position: relative;
}
.compare-table td { color: var(--text-body); }
.compare-table .check { color: var(--green); font-weight: 700; font-size: 18px; }
.compare-table .cross { color: var(--text-light); }
.compare-table .cat-row td {
  background: var(--bg-gray);
  font-weight: 700;
  color: var(--primary);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ==================== 关于我们页 ==================== */
.about-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.about-intro-text h2 {
  font-size: 32px;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 20px;
  line-height: 1.3;
}
.about-intro-text p {
  font-size: 16px;
  color: var(--text-body);
  line-height: 1.9;
  margin-bottom: 16px;
}
.about-intro-visual {
  background: linear-gradient(135deg, var(--color-primary-active), var(--color-primary));
  border-radius: var(--radius-lg);
  padding: 48px;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.about-intro-visual::before {
  content: '';
  position: absolute;
  top: -30px; right: -30px;
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(0, 153, 247, 0.15) 0%, transparent 70%);
  border-radius: 50%;
}
.about-intro-visual .aiv-stat {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}
.about-intro-visual .aiv-stat .aiv-num {
  font-size: 36px;
  font-weight: 800;
  color: var(--color-gray-0);
}
.about-intro-visual .aiv-stat .aiv-label {
  font-size: 15px;
  color: rgba(255,255,255,0.8);
}

/* 发展历程时间线 */
.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(180deg, var(--color-primary-active), var(--color-primary), var(--color-primary-hover));
}
.timeline-item {
  position: relative;
  padding-bottom: 40px;
}
.timeline-item:last-child { padding-bottom: 0; }
.timeline-dot {
  position: absolute;
  left: -34px; top: 4px;
  width: 18px; height: 18px;
  background: var(--primary);
  border: 3px solid #fff;
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(0, 153, 247, 0.15);
}
.timeline-year {
  font-size: 20px;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 6px;
}
.timeline-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
}
.timeline-desc {
  font-size: 14.5px;
  color: var(--text-light);
  line-height: 1.7;
}

/* 价值观卡片 */
.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.value-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: all 0.3s;
}
.value-card:hover {
  border-color: var(--border);
  background: var(--color-primary-light);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.value-icon {
  width: 60px; height: 60px;
  margin: 0 auto 18px;
  border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0, 153, 247, 0.08);
  color: var(--primary);
}
.value-card h4 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 10px;
}
.value-card p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.7;
}

/* 团队成员 */
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.team-card {
  text-align: center;
  transition: all 0.3s;
}
.team-card:hover { transform: translateY(-4px); }
.team-avatar {
  width: 120px; height: 120px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: var(--color-primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 48px;
  color: #fff;
  font-weight: 700;
}
.team-card h4 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 4px;
}
.team-role {
  font-size: 14px;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 8px;
}
.team-desc {
  font-size: 13px;
  color: var(--text-light);
  line-height: 1.6;
}

/* 合作伙伴 */
.partners-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
}
.partner-logo {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  height: 80px;
  display: flex; align-items: center; justify-content: center;
  font-size: 15px;
  font-weight: 700;
  color: var(--text-light);
  transition: all 0.3s;
}
.partner-logo:hover {
  border-color: var(--border);
  background: var(--color-primary-light);
  color: var(--primary);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

/* 大数字统计 */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}
.stats-bar .sb-item .sb-num {
  font-size: 44px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}
.stats-bar .sb-item .sb-suffix {
  font-size: 24px;
  color: var(--color-primary);
}
.stats-bar .sb-item .sb-label {
  font-size: 15px;
  color: var(--text-light);
  margin-top: 10px;
}

/* ==================== 资讯中心页 ==================== */
.news-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 48px;
  align-items: start;
}
.news-sidebar {
  position: sticky;
  top: 90px;
}
.news-sidebar h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--primary);
}
.news-cat-list li {
  padding: 0;
  margin-bottom: 4px;
}
.news-cat-list li a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 12px 16px;
  font-size: 14.5px;
  color: var(--text-body);
  text-decoration: none;
  border-radius: 8px;
  transition: all 0.2s;
}
.news-cat-list li a:hover { background: var(--bg-light); color: var(--primary); }
.news-cat-list li.active a {
  background: var(--primary);
  color: #fff;
  font-weight: 600;
}
.news-cat-list li.active a:hover {
  background: var(--color-primary-hover);
  color: #fff;
}
.news-cat-list li .cat-count {
  font-size: 12px;
  background: rgba(0,0,0,0.06);
  padding: 2px 8px;
  border-radius: 50px;
}
.news-cat-list li.active .cat-count { background: rgba(255,255,255,0.2); }

/* 新闻列表 */
.news-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
a.news-item,
a.news-featured {
  text-decoration: none;
  color: inherit;
}
.news-item {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 24px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all 0.3s;
  cursor: pointer;
}
.news-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  border-color: var(--border);
  background: var(--color-primary-light);
}
.news-thumb {
  background: linear-gradient(135deg, var(--color-primary-active), var(--color-primary));
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.25);
  min-height: 160px;
  overflow: hidden;
}
.news-thumb-cover {
  width: 100%;
  height: 100%;
  min-height: 160px;
  object-fit: cover;
  display: block;
}
.news-body { padding: 24px 24px 24px 0; }
.news-meta {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 10px;
}
.news-cat-tag {
  font-size: 12px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 50px;
}
.news-cat-tag.industry { background: rgba(0, 153, 247, 0.1); color: var(--primary); }
.news-cat-tag.policy { background: rgba(0, 153, 247, 0.1); color: var(--color-primary); }
.news-cat-tag.product { background: rgba(0, 196, 108, 0.1); color: var(--green); }
.news-cat-tag.case { background: rgba(123, 97, 255, 0.1); color: var(--color-aux-purple); }
.news-date { font-size: 13px; color: var(--text-light); }
.news-item h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
  line-height: 1.4;
  transition: color 0.2s;
}
.news-item:hover h3 { color: var(--primary); }
.news-item p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-read-more {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
}

/* 置顶大文章 */
.news-featured {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 32px;
  transition: all 0.3s;
}
.news-featured:hover { box-shadow: var(--shadow-md); border-color: var(--border); background: var(--color-primary-light); }
.news-featured-thumb {
  background: linear-gradient(135deg, var(--color-primary-active), var(--color-primary));
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.15);
  min-height: 300px;
  overflow: hidden;
}
.news-featured-cover {
  width: 100%;
  height: 100%;
  min-height: 300px;
  object-fit: cover;
  display: block;
}
.news-featured-body { padding: 36px; }
.news-featured-body .news-cat-tag { display: inline-block; margin-bottom: 12px; }
.news-featured-body h3 {
  font-size: 24px;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 12px;
  line-height: 1.35;
}
.news-featured-body p {
  font-size: 15px;
  color: var(--text-body);
  line-height: 1.8;
  margin-bottom: 20px;
}
.news-featured-meta {
  display: flex;
  gap: 16px;
  align-items: center;
  font-size: 13px;
  color: var(--text-light);
}

/* 分页 */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 40px;
}
.pagination a {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-body);
  transition: all 0.2s;
}
.pagination a:hover { border-color: var(--primary); color: var(--primary); }
.pagination a.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ==================== 响应式（新增页面） ==================== */
@media (max-width: 968px) {
  .pricing-grid { grid-template-columns: 1fr; }
  .about-intro { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: repeat(2, 1fr); }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .partners-grid { grid-template-columns: repeat(3, 1fr); }
  .stats-bar { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .news-layout { grid-template-columns: 1fr; }
  .news-sidebar { position: static; }
  .news-featured { grid-template-columns: 1fr; }
  .news-item { grid-template-columns: 1fr; }
  .news-thumb { min-height: 120px; }
  .news-body { padding: 20px; }
}
@media (max-width: 640px) {
  .pricing-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr; }
  .partners-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-bar { grid-template-columns: 1fr; }
  .page-hero h1 { font-size: 30px; }
  .price-card { padding: 28px 20px; }
}

/* ==================== 原有响应式 ==================== */
@media (max-width: 968px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .solutions-grid { grid-template-columns: repeat(2, 1fr); }
  .advantages { grid-template-columns: 1fr; }
  .cases-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .help-categories { grid-template-columns: repeat(2, 1fr); }
  .faq-layout { grid-template-columns: 1fr; }
  .faq-sidebar { position: static; }
  .help-contact-bar { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .mobile-toggle { display: block; }
}
@media (max-width: 640px) {
  .hero h1 { font-size: 32px; }
  .section-header h2 { font-size: 28px; }
  .features-grid { grid-template-columns: 1fr; }
  .solutions-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; }
  .help-categories { grid-template-columns: 1fr; }
  .hero-stats { gap: 20px; }
  .hero-stat .num { font-size: 22px; }
  .section { padding: 60px 0; }
}