/* ========== 基础 ========== */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
               "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.6;
  color: #222;
  background: #F5FAF7;   /* 微绿白底 */
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

:root {
  --primary: #00A86B;         /* 主绿 */
  --primary-dark: #00854F;    /* 深绿 */
  --primary-light: #E6F7EF;   /* 浅绿底 */
  --dark: #111111;            /* 黑 */
  --text: #222222;
  --text-light: #666666;
  --border: #E8E8E8;
  --bg-light: #F5FAF7;
  --white: #fff;
  --green: #00A86B;
  --red: #E53E3E;
  --header-bg: #111111;
  --footer-bg: #111111;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

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

/* ========== 按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all .2s;
  white-space: nowrap;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-outline {
  background: #fff;
  color: var(--primary);
  border-color: var(--primary);
}
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-lg { padding: 13px 28px; font-size: 16px; }
.btn-block { width: 100%; justify-content: center; }

/* ========== 头部（黑色） ========== */
.site-header {
  background: var(--header-bg);
  border-bottom: 1px solid #232323;
  position: sticky;
  top: 0;
  z-index: 100;
  transition: box-shadow .2s;
}
.site-header.scrolled { box-shadow: 0 2px 14px rgba(0,0,0,.5); }

.header-inner {
  display: flex;
  align-items: center;
  height: 72px;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}
.logo img { max-height: 38px; }
.logo-text { display: none; }

.main-nav { flex: 1; }
.main-nav ul { display: flex; gap: 6px; }
.main-nav a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 15px;
  color: #d8d8d8;
  transition: all .2s;
}
.main-nav a:hover,
.main-nav a.active {
  color: var(--primary);
  background: rgba(0,168,107,.18);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  position: relative;
}
.header-actions .btn-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,.35);
}
.header-actions .btn-outline:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}
.header-actions .btn-primary {
  background: var(--primary);
}
.header-actions .btn-primary:hover {
  background: var(--primary-dark);
}

.qq-contact {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 6px;
  font-size: 12px;
  color: #9a9a9a;
  display: flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}
.qq-contact i { color: var(--primary); }

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 22px;
  color: #fff;
  cursor: pointer;
  padding: 6px;
}

/* ========== 手机端顶部联系方式条 ========== */
.mobile-contact-bar {
  display: none;
  background: #000;
  color: #fff;
  font-size: 13px;
  border-bottom: 1px solid #1a1a1a;
}
.mobile-contact-bar .mc-item {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 9px 4px;
  color: #fff;
  font-size: 12.5px;
  border-right: 1px solid rgba(255,255,255,.1);
  white-space: nowrap;
  overflow: hidden;
}
.mobile-contact-bar .mc-item:last-child { border-right: none; }
.mobile-contact-bar .mc-item i { color: var(--primary); font-size: 14px; }
.mobile-contact-bar .mc-qq i { color: #12b7f5; }
.mobile-contact-bar .mc-contact i { color: var(--primary); }

/* ========== Hero（黑绿渐变，与黑色顶部呼应） ========== */
.hero {
  background: linear-gradient(135deg, #0d0d0d 0%, #00693E 100%);
  color: #fff;
  padding: 80px 0 70px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -50%; right: -10%;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(0,168,107,.3), transparent 70%);
  border-radius: 50%;
}
.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 40px;
  align-items: center;
}
.hero h1 {
  font-size: 40px;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 16px;
  color: #fff;
}
.hero-sub {
  font-size: 17px;
  color: #d0d0d0;
  margin-bottom: 30px;
}
.hero-buttons { display: flex; gap: 14px; flex-wrap: wrap; }
.hero .btn-outline { background: transparent; color: #fff; border-color: rgba(255,255,255,.6); }
.hero .btn-outline:hover { background: #fff; color: var(--primary); border-color: #fff; }

.hero-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.hero-stats .stat {
  background: rgba(0,168,107,.15);
  border: 1px solid rgba(0,168,107,.4);
  border-radius: 10px;
  padding: 18px;
  text-align: center;
  backdrop-filter: blur(4px);
}
.hero-stats .stat strong {
  display: block;
  font-size: 26px;
  font-weight: 800;
  margin-bottom: 4px;
  color: #fff;
}
.hero-stats .stat span {
  font-size: 13px;
  color: #b8e6cf;
}

/* ========== 通用 Section ========== */
.section { padding: 70px 0; }
.section-alt { background: var(--primary-light); }   /* 浅绿 */
.section-title {
  text-align: center;
  font-size: 28px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 45px;
  position: relative;
}
.section-title::after {
  content: '';
  display: block;
  width: 50px; height: 3px;
  background: var(--primary);
  margin: 14px auto 0;
  border-radius: 2px;
}

/* ========== 信任指标条 ========== */
.trust-bar {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 26px 0;
}
.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  text-align: center;
}
.trust-item strong {
  display: block;
  font-size: 30px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
}
.trust-item span {
  font-size: 13px;
  color: var(--text-light);
  margin-top: 4px;
  display: block;
}
.trust-item i { color: var(--primary); margin-right: 4px; }

/* ========== 优势卡片（4列） ========== */
.advantage-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.advantage-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 30px 22px;
  text-align: center;
  transition: all .3s;
}
.advantage-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0,168,107,.14);
  border-color: var(--primary);
}
.adv-icon {
  width: 60px; height: 60px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin: 0 auto 18px;
}
.advantage-card h3 { font-size: 18px; margin-bottom: 8px; color: var(--dark); }
.advantage-card p { color: var(--text-light); font-size: 14px; }

/* ========== 特性卡（6项） ========== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.feature-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 30px 24px;
  transition: all .3s;
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 34px rgba(0,168,107,.14);
  border-color: var(--primary);
}
.feature-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 18px;
}
.feature-card h3 { font-size: 17px; color: var(--dark); margin-bottom: 8px; }
.feature-card p { font-size: 14px; color: var(--text-light); line-height: 1.7; }

/* ========== 产品网格 ========== */
.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-bottom: 30px;
}
.product-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 22px;
  transition: all .25s;
}
.product-card:hover {
  border-color: var(--primary);
  box-shadow: 0 8px 24px rgba(0,168,107,.16);
}
.product-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}
.product-symbol {
  font-size: 16px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: .5px;
}
.product-cat {
  font-size: 12px;
  background: var(--primary-light);
  color: var(--primary-dark);
  padding: 2px 8px;
  border-radius: 10px;
}
.product-card h3 { font-size: 15px; color: var(--dark); margin-bottom: 12px; }
.product-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 13px;
  color: var(--text-light);
}
.product-meta i { color: var(--primary); width: 14px; }

/* 产品 Tab */
.product-tabs {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}
.product-tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: 30px;
  background: #fff;
  border: 1px solid var(--border);
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  cursor: pointer;
  transition: all .2s;
}
.product-tab i { color: var(--primary); }
.product-tab:hover { border-color: var(--primary); color: var(--primary); }
.product-tab.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.product-tab.active i { color: #fff; }

/* ========== 账户卡 ========== */
.account-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.account-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 34px 28px;
  position: relative;
  transition: all .3s;
  display: flex;
  flex-direction: column;
}
.account-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 44px rgba(0,0,0,.1);
}
.account-card.featured {
  border-color: var(--primary);
  box-shadow: 0 14px 34px rgba(0,168,107,.2);
}
.account-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: #fff;
  padding: 4px 16px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}
.account-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 6px;
  text-align: center;
}
.account-desc {
  text-align: center;
  color: var(--text-light);
  font-size: 13px;
  margin-bottom: 22px;
}
.account-price {
  text-align: center;
  font-size: 40px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 6px;
}
.account-price small { font-size: 14px; color: var(--text-light); font-weight: 400; }
.account-price-label {
  text-align: center;
  font-size: 12px;
  color: var(--text-light);
  margin-bottom: 24px;
}
.account-features {
  list-style: none;
  padding: 0;
  margin: 0 0 26px;
  flex: 1;
  border-top: 1px solid var(--border);
  padding-top: 22px;
}
.account-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: #555;
  padding: 8px 0;
}
.account-features li i { color: var(--primary); font-size: 14px; }
.account-card .btn { justify-content: center; width: 100%; }

/* ========== 步骤 ========== */
.step-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.step-item {
  background: #fff;
  border-radius: 12px;
  padding: 30px 20px;
  text-align: center;
  border: 1px solid var(--border);
  position: relative;
}
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 16px;
}
.step-item h3 { font-size: 17px; margin-bottom: 8px; color: var(--dark); }
.step-item p { font-size: 14px; color: var(--text-light); }

/* ========== 对比表 ========== */
.compare-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: #fff;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--border);
}
.compare-table th,
.compare-table td {
  padding: 16px 22px;
  text-align: center;
  font-size: 14px;
  border-bottom: 1px solid var(--border);
}
.compare-table th {
  background: var(--primary-light);
  font-weight: 600;
  color: var(--dark);
  font-size: 14px;
}
.compare-table td:first-child,
.compare-table th:first-child { text-align: left; }
.compare-table tbody tr:last-child td { border-bottom: none; }
.compare-table .yes { color: var(--primary); font-weight: 600; }
.compare-table .no { color: #bbb; }
.compare-table tbody tr:hover { background: #f5fbf8; }

/* ========== 多终端平台 ========== */
.platform-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
}
.platform-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 30px 16px;
  text-align: center;
  transition: all .3s;
  display: block;
}
.platform-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0,168,107,.14);
}
.platform-card i {
  font-size: 38px;
  color: var(--primary);
  margin-bottom: 14px;
  display: block;
}
.platform-card h4 {
  font-size: 15px;
  color: var(--dark);
  margin-bottom: 4px;
}
.platform-card p { font-size: 12px; color: var(--text-light); }

/* ========== 新闻卡片 ========== */
.news-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 30px;
}
.news-card {
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  transition: all .25s;
}
.news-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0,0,0,.08);
}
.news-thumb { height: 160px; background: #eef2ef; overflow: hidden; }
.news-thumb img { width: 100%; height: 100%; object-fit: cover; }
.news-thumb-placeholder {
  width: 100%; height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #b8c5bd;
  font-size: 42px;
}
.news-info { padding: 18px; flex: 1; display: flex; flex-direction: column; }
.news-meta {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-light);
  margin-bottom: 8px;
}
.news-cat {
  color: var(--primary);
  background: var(--primary-light);
  padding: 2px 8px;
  border-radius: 10px;
}
.news-info h3 {
  font-size: 15px;
  line-height: 1.4;
  margin-bottom: 10px;
  color: var(--dark);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-info h3 a:hover { color: var(--primary); }
.news-info > p {
  font-size: 13px;
  color: var(--text-light);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* 新闻头条 */
.news-featured {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 24px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 34px;
}
.news-featured-cover {
  min-height: 300px;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 60px;
  overflow: hidden;
}
.news-featured-cover img { width: 100%; height: 100%; object-fit: cover; }
.news-featured-body {
  padding: 34px 34px 30px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.news-featured-body h2 {
  font-size: 24px;
  color: var(--dark);
  line-height: 1.4;
  margin: 12px 0 14px;
}
.news-featured-body p {
  color: var(--text-light);
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 20px;
}

/* 新闻侧栏 */
.news-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 30px;
}
.sidebar-block {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 22px;
}
.sidebar-block h3 {
  font-size: 16px;
  color: var(--dark);
  padding-bottom: 12px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
}
.sidebar-block h3 i { color: var(--primary); }
.sidebar-block li {
  padding: 9px 0;
  font-size: 14px;
  border-bottom: 1px dashed var(--border);
  display: flex;
  justify-content: space-between;
  gap: 10px;
}
.sidebar-block li:last-child { border-bottom: none; }
.sidebar-block li a { flex: 1; color: #444; transition: color .2s; }
.sidebar-block li a:hover { color: var(--primary); }
.sidebar-block li span {
  color: #aaa;
  font-size: 12px;
  flex-shrink: 0;
}

/* ========== CTA ========== */
.cta-section {
  background: linear-gradient(135deg, #0d0d0d, #00693E);
  color: #fff;
}
.cta-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 30px;
}
.cta-inner h2 { font-size: 26px; margin-bottom: 8px; color: #fff; }
.cta-inner p { color: #d0d0d0; }

/* ========== 页头 ========== */
.page-hero {
  background: linear-gradient(135deg, #0d0d0d, #00693E);
  color: #fff;
  padding: 60px 0;
  text-align: center;
}
.page-hero h1 { font-size: 32px; margin-bottom: 8px; }
.page-hero p { color: #c8c8c8; }

/* ========== 表格 ========== */
.table-wrap {
  overflow-x: auto;
  background: #fff;
  border-radius: 12px;
  border: 1px solid var(--border);
}
.data-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
}
.data-table th,
.data-table td {
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}
.data-table th {
  background: var(--primary-light);
  font-weight: 600;
  color: var(--dark);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: .5px;
}
.data-table tbody tr:hover { background: #f5fbf8; }
.data-table .symbol { color: var(--primary); font-weight: 600; }
.table-empty { text-align: center; color: var(--text-light); padding: 30px; }

/* 交易时间表 */
.hours-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
}
.hours-table th,
.hours-table td {
  padding: 14px 20px;
  font-size: 14px;
  border-bottom: 1px solid var(--border);
  text-align: left;
}
.hours-table th { background: var(--primary-light); font-weight: 600; color: var(--dark); }
.hours-table td:last-child { color: var(--primary); font-weight: 600; }
.hours-table tbody tr:last-child td { border-bottom: none; }

/* 筛选 */
.filter-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  gap: 16px;
  flex-wrap: wrap;
}
.filter-tabs { display: flex; gap: 6px; flex-wrap: wrap; }
.filter-tab {
  padding: 8px 16px;
  border-radius: 20px;
  background: #fff;
  border: 1px solid var(--border);
  font-size: 14px;
  color: var(--text);
  transition: all .2s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.filter-tab:hover { border-color: var(--primary); color: var(--primary); }
.filter-tab.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.search-form { display: flex; gap: 6px; }
.search-form input {
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 6px;
  outline: none;
  font-size: 14px;
  min-width: 200px;
}
.search-form input:focus { border-color: var(--primary); }

/* 分页 */
.pagination {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-top: 30px;
  flex-wrap: wrap;
}
.page-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 12px;
  border-radius: 6px;
  background: #fff;
  border: 1px solid var(--border);
  font-size: 14px;
  transition: all .2s;
}
.page-link:hover { border-color: var(--primary); color: var(--primary); }
.page-link.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ========== 文章详情 ========== */
.article { padding: 50px 0; }
.article-container {
  max-width: 800px;
  background: #fff;
  padding: 45px;
  border-radius: 12px;
  border: 1px solid var(--border);
}
.article-head h1 { font-size: 26px; margin: 12px 0; color: var(--dark); line-height: 1.4; }
.article-meta {
  display: flex;
  gap: 18px;
  font-size: 13px;
  color: var(--text-light);
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}
.article-meta i { color: var(--primary); margin-right: 4px; }
.article-cover { margin: 20px 0; border-radius: 8px; overflow: hidden; }
.article-content {
  padding: 20px 0;
  font-size: 15px;
  line-height: 1.9;
  color: #444;
}
.article-content p { margin-bottom: 16px; }
.article-content img { border-radius: 8px; margin: 12px 0; }
.article-related {
  margin-top: 30px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.article-related h3 { font-size: 16px; margin-bottom: 12px; color: var(--dark); }
.article-related li {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  font-size: 14px;
  border-bottom: 1px dashed var(--border);
}
.article-related li a:hover { color: var(--primary); }
.article-related li span { color: var(--text-light); font-size: 12px; }
.article-back { margin-top: 30px; text-align: center; }

.article-share {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin: 30px 0;
  font-size: 13px;
  color: var(--text-light);
}
.article-share a {
  width: 34px; height: 34px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .2s;
}
.article-share a:hover { background: var(--primary); color: #fff; }

.article-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 24px 0;
}
.article-nav a {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px 20px;
  transition: all .2s;
}
.article-nav a:hover { border-color: var(--primary); }
.article-nav .nav-label {
  font-size: 12px;
  color: var(--primary);
  margin-bottom: 6px;
  display: block;
}
.article-nav .nav-title {
  font-size: 14px;
  color: var(--dark);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.article-nav .next { text-align: right; }

/* ========== 联系我们 ========== */
.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 30px;
}
.contact-info,
.contact-form-wrap {
  background: #fff;
  border-radius: 12px;
  padding: 30px;
  border: 1px solid var(--border);
}
.contact-info h2, .contact-form-wrap h2 {
  font-size: 20px;
  margin-bottom: 22px;
  color: var(--dark);
}
.contact-list-lg li {
  display: flex;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.contact-list-lg li:last-child { border-bottom: none; }
.ci-icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}
.contact-list-lg strong { display: block; font-size: 13px; color: var(--text-light); font-weight: 500; }
.contact-list-lg p { color: var(--dark); font-weight: 600; margin-top: 2px; }

.contact-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}
.contact-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px 22px;
  text-align: center;
  transition: all .3s;
}
.contact-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0,168,107,.14);
}
.contact-card i {
  font-size: 28px;
  color: var(--primary);
  margin-bottom: 14px;
  display: block;
}
.contact-card h4 { font-size: 15px; color: var(--dark); margin-bottom: 6px; }
.contact-card p { font-size: 13px; color: var(--text-light); word-break: break-all; }

.contact-form .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 13px; margin-bottom: 6px; color: var(--text-light); }
.form-group .req { color: var(--red); }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  font-family: inherit;
  outline: none;
  transition: border-color .2s;
}
.form-group input:focus,
.form-group textarea:focus { border-color: var(--primary); }

.alert {
  padding: 12px 16px;
  border-radius: 6px;
  margin-bottom: 16px;
  font-size: 14px;
}
.alert-success { background: var(--primary-light); color: var(--primary-dark); border: 1px solid #b8e6cf; }
.alert-error { background: #fdecec; color: var(--red); border: 1px solid #f5c6c6; }

/* ========== 关于我们 ========== */
.about-intro { max-width: 800px; margin: 0 auto; text-align: center; }
.about-intro p { margin-bottom: 12px; color: #555; font-size: 15px; line-height: 1.9; }

.about-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin: 30px 0 50px;
}
.about-stat {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 26px 20px;
  text-align: center;
}
.about-stat strong {
  display: block;
  font-size: 32px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.1;
}
.about-stat span {
  font-size: 13px;
  color: var(--text-light);
  margin-top: 6px;
  display: block;
}

/* 使命愿景价值观 */
.mvv-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.mvv-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 34px 26px;
  text-align: center;
  transition: all .3s;
}
.mvv-card:hover { border-color: var(--primary); box-shadow: 0 12px 30px rgba(0,168,107,.14); }
.mvv-icon {
  width: 64px; height: 64px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
}
.mvv-card h3 { font-size: 18px; color: var(--dark); margin-bottom: 10px; }
.mvv-card p { font-size: 14px; color: var(--text-light); line-height: 1.8; }

/* 团队 */
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.team-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px 20px;
  text-align: center;
  transition: all .3s;
}
.team-card:hover { transform: translateY(-4px); box-shadow: 0 12px 30px rgba(0,0,0,.08); }
.team-avatar {
  width: 84px; height: 84px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 34px;
  margin: 0 auto 16px;
}
.team-card h4 { font-size: 16px; color: var(--dark); margin-bottom: 4px; }
.team-role { font-size: 13px; color: var(--primary); margin-bottom: 10px; }
.team-card p { font-size: 13px; color: var(--text-light); line-height: 1.7; }

/* 监管合规 */
.reg-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.reg-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 26px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.reg-icon {
  width: 50px; height: 50px;
  border-radius: 12px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}
.reg-card h4 { font-size: 15px; color: var(--dark); margin-bottom: 6px; }
.reg-card p { font-size: 13px; color: var(--text-light); line-height: 1.7; }

/* 时间轴 */
.timeline {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
  padding-left: 30px;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 8px; top: 8px; bottom: 8px;
  width: 2px;
  background: #d9e8e0;
}
.timeline-item {
  position: relative;
  padding: 14px 0 14px 24px;
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: -28px; top: 20px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--primary);
  border: 3px solid #fff;
  box-shadow: 0 0 0 2px var(--primary);
}
.timeline-year {
  display: inline-block;
  font-weight: 700;
  color: var(--primary);
  margin-right: 10px;
}

/* ========== 软件下载 ========== */
.download-group { margin-bottom: 45px; }
.download-group-title {
  font-size: 20px;
  color: var(--dark);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.download-group-title i { color: var(--primary); }
.download-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.download-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 22px;
  display: flex;
  align-items: center;
  gap: 18px;
  transition: all .25s;
}
.download-card:hover { border-color: var(--primary); box-shadow: 0 8px 24px rgba(0,168,107,.14); }
.download-icon {
  width: 52px; height: 52px;
  border-radius: 12px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  flex-shrink: 0;
}
.download-info { flex: 1; min-width: 0; }
.download-info h3 { font-size: 16px; color: var(--dark); margin-bottom: 4px; }
.download-meta { font-size: 13px; color: var(--text-light); }
.download-desc { font-size: 12px; color: var(--text-light); margin-top: 2px; }

/* ========== 网站地图 ========== */
.sitemap-wrap {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 30px;
}
.sitemap-wrap-3col {
  grid-template-columns: 1fr 1fr 1.4fr;
}
.sitemap-col {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
}
.sitemap-col h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 17px;
  color: var(--dark);
  padding-bottom: 14px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--border);
}
.sitemap-col h3 i { color: var(--primary); }
.sitemap-col li {
  padding: 7px 0;
  font-size: 14px;
}
.sitemap-col li a:hover { color: var(--primary); }

/* ========== FAQ 手风琴 ========== */
.faq-list { max-width: 860px; margin: 0 auto; }
.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color .2s;
}
.faq-item.open { border-color: var(--primary); }
.faq-question {
  padding: 18px 24px;
  font-size: 15px;
  font-weight: 600;
  color: var(--dark);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
}
.faq-question i { color: var(--primary); transition: transform .2s; }
.faq-item.open .faq-question i { transform: rotate(180deg); }
.faq-answer {
  display: none;
  padding: 0 24px 20px;
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.85;
  border-top: 1px solid var(--border);
  padding-top: 16px;
}
.faq-item.open .faq-answer { display: block; }

/* ========== 合作伙伴 ========== */
.partner-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 42px;
}
.partner-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #555;
  font-size: 14px;
  font-weight: 500;
}
.partner-item i { font-size: 20px; color: var(--primary); }

/* ========== 订阅条 ========== */
.subscribe-bar {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 34px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 30px;
}
.subscribe-bar h3 { font-size: 20px; color: var(--dark); margin-bottom: 4px; }
.subscribe-bar p { color: var(--text-light); font-size: 14px; }

/* ========== 快速导航卡 ========== */
.quick-nav {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin: -30px auto 0;
  position: relative;
  z-index: 2;
  max-width: 1100px;
}
.quick-nav-card {
  background: #fff;
  border-radius: 14px;
  padding: 24px 20px;
  box-shadow: 0 8px 24px rgba(0,0,0,.08);
  display: flex;
  align-items: center;
  gap: 14px;
  transition: all .3s;
}
.quick-nav-card:hover { transform: translateY(-4px); box-shadow: 0 16px 36px rgba(0,168,107,.2); }
.quick-nav-card i {
  width: 46px; height: 46px;
  border-radius: 12px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}
.quick-nav-card h4 { font-size: 15px; color: var(--dark); margin-bottom: 3px; }
.quick-nav-card p { font-size: 12px; color: var(--text-light); }

/* ========== 底部（黑色） ========== */
.site-footer {
  background: var(--footer-bg);
  color: #b8b8b8;
  padding: 55px 0 25px;
  margin-top: 60px;
  border-top: 3px solid var(--primary);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.2fr 1.2fr 1.2fr;
  gap: 30px;
  padding-bottom: 35px;
  border-bottom: 1px solid #232323;
}
.footer-col h4 {
  font-size: 16px;
  color: #fff;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 10px;
}
.footer-col h4::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 28px;
  height: 2px;
  background: var(--primary);
}
.footer-col p { font-size: 13px; color: #999; line-height: 1.8; margin-bottom: 8px; }
.footer-desc { margin-top: 10px; }
.footer-col ul li { margin-bottom: 10px; font-size: 14px; color: #b8b8b8; }
.footer-col ul li a { transition: color .2s; display: inline-flex; align-items: center; gap: 6px; }
.footer-col ul li a:hover { color: var(--primary); }
.footer-col ul li a i { color: var(--primary); width: 16px; }
.contact-list i { color: var(--primary); width: 16px; margin-right: 6px; }
.risk-warning { font-size: 12px !important; color: #777 !important; }

/* 友情链接条 */
.footer-links-bar {
  padding: 16px 0;
  border-top: 1px solid #232323;
  font-size: 13px;
  color: #999;
  line-height: 2;
}
.footer-links-label {
  color: #fff;
  margin-right: 6px;
  font-weight: 500;
}
.footer-links-bar a {
  color: #999;
  margin-right: 14px;
  transition: color .2s;
}
.footer-links-bar a:hover { color: var(--primary); }

.footer-bottom {
  text-align: center;
  padding-top: 24px;
  font-size: 13px;
  color: #777;
}

/* ========== 手机端底部栏（白底 + 绿色主按钮） ========== */
.mobile-bottom-bar {
  display: none;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  height: 58px;
  background: #fff;
  border-top: 1px solid var(--border);
  z-index: 999;
  box-shadow: 0 -2px 10px rgba(0,0,0,.06);
}
.mobile-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 15px;
  font-weight: 600;
}
.mobile-btn-primary { background: var(--primary); color: #fff; }
.mobile-btn-outline { background: #fff; color: var(--primary); }
.mobile-btn-contact { background: #111; color: #fff; }
.mobile-btn-contact i { color: var(--primary); }

/* ========== 右下角悬浮客服 ========== */
.float-service {
  position: fixed;
  right: 18px;
  bottom: 80px;
  z-index: 998;
}
.float-btn {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  border: none;
  cursor: pointer;
  font-size: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(0,168,107,.4);
  position: relative;
  transition: transform .2s;
}
.float-btn:hover { transform: scale(1.06); background: var(--primary-dark); }
.float-badge {
  position: absolute;
  top: -2px;
  right: -2px;
  background: var(--red);
  color: #fff;
  font-size: 11px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid #fff;
}
.float-panel {
  position: absolute;
  right: 66px;
  bottom: 0;
  width: 260px;
  background: #fff;
  border-radius: 14px;
  box-shadow: 0 16px 44px rgba(0,0,0,.22);
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all .25s;
}
.float-panel.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.float-panel-head {
  background: linear-gradient(135deg, #0d0d0d, #00693E);
  color: #fff;
  padding: 14px 18px;
  font-size: 15px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}
.float-panel-head i { color: var(--primary); font-size: 18px; }
.float-close {
  margin-left: auto;
  background: none;
  border: none;
  color: #fff;
  font-size: 22px;
  cursor: pointer;
  line-height: 1;
  padding: 0 4px;
}
.float-panel-body { padding: 8px 0; }
.float-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 18px;
  transition: background .2s;
}
.float-item:hover { background: #f5fbf8; }
.float-item > i {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  flex-shrink: 0;
}
.float-item strong {
  display: block;
  font-size: 13px;
  color: var(--dark);
  font-weight: 600;
}
.float-item span {
  font-size: 12px;
  color: #666;
  word-break: break-all;
}

/* ========== 响应式 ========== */
@media (max-width: 1100px) {
  .advantage-grid,
  .product-grid,
  .news-grid { grid-template-columns: repeat(3, 1fr); }
  .features-grid,
  .account-grid,
  .mvv-grid,
  .reg-grid,
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .platform-grid { grid-template-columns: repeat(3, 1fr); }
  .contact-cards,
  .about-stats { grid-template-columns: repeat(2, 1fr); }
  .quick-nav { grid-template-columns: repeat(2, 1fr); }
  .news-layout { grid-template-columns: 1fr; }
  .news-featured { grid-template-columns: 1fr; }
  .news-featured-cover { min-height: 220px; }
}

@media (max-width: 992px) {
  .header-inner { gap: 12px; }
  .main-nav ul { gap: 2px; }
  .main-nav a { padding: 8px 8px; font-size: 14px; }
  .qq-contact { display: none; }
  .hero-inner { grid-template-columns: 1fr; }
  .hero h1 { font-size: 32px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-wrap { grid-template-columns: 1fr; }
  .sitemap-wrap { grid-template-columns: 1fr; }
  .sitemap-wrap-3col { grid-template-columns: 1fr 1fr; }
  .download-grid { grid-template-columns: 1fr; }
  .float-service { bottom: 76px; right: 14px; }
}

@media (max-width: 767px) {
  body { padding-bottom: 64px; }

  .container { padding: 0 16px; }

  /* 顶部联系条显示 */
  .mobile-contact-bar { display: flex; }

  .header-inner { height: 60px; }
  .logo { font-size: 17px; }
  .logo img { max-height: 30px; }
  .header-actions { display: none; }
  .mobile-menu-toggle { display: block; }

  .main-nav {
    display: none;
    position: absolute;
    top: 60px; left: 0; right: 0;
    background: #111;
    border-bottom: 1px solid #232323;
    box-shadow: 0 8px 20px rgba(0,0,0,.4);
    padding: 10px 0;
  }
  .main-nav.active { display: block; }
  .main-nav ul { flex-direction: column; padding: 0 16px; }
  .main-nav a {
    padding: 12px 8px;
    border-radius: 6px;
    font-size: 15px;
    color: #d8d8d8;
  }
  .main-nav a.active,
  .main-nav a:hover {
    background: rgba(0,168,107,.18);
    color: var(--primary);
  }

  .hero { padding: 50px 0 45px; }
  .hero h1 { font-size: 24px; }
  .hero-sub { font-size: 14px; }
  .hero-buttons { flex-direction: column; }
  .hero-buttons .btn { width: 100%; justify-content: center; }
  .hero-stats { grid-template-columns: 1fr 1fr; margin-top: 30px; }
  .hero-stats .stat { padding: 14px; }
  .hero-stats .stat strong { font-size: 20px; }

  .section { padding: 45px 0; }
  .section-title { font-size: 22px; margin-bottom: 30px; }

  .advantage-grid,
  .product-grid,
  .news-grid,
  .step-grid,
  .features-grid,
  .account-grid,
  .mvv-grid,
  .reg-grid,
  .team-grid,
  .platform-grid,
  .contact-cards,
  .about-stats,
  .quick-nav,
  .trust-grid { grid-template-columns: 1fr; }

  .advantage-card,
  .step-item { padding: 22px 18px; }

  .cta-inner { flex-direction: column; text-align: center; gap: 20px; }
  .cta-inner .btn { width: 100%; justify-content: center; }

  .page-hero { padding: 40px 0; }
  .page-hero h1 { font-size: 24px; }

  .article { padding: 30px 0; }
  .article-container { padding: 22px; }
  .article-head h1 { font-size: 20px; }
  .article-meta { flex-wrap: wrap; gap: 10px; }

  .contact-info, .contact-form-wrap { padding: 22px; }
  .contact-form .form-row { grid-template-columns: 1fr; }

  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .site-footer { margin-top: 40px; padding: 35px 0 20px; }

  .mobile-bottom-bar { display: flex; }
  .mobile-bottom-bar .mobile-btn {
    font-size: 13px;
    flex-direction: column;
    gap: 2px;
    padding: 6px 2px;
  }
  .mobile-bottom-bar .mobile-btn i { font-size: 16px; }

  .filter-bar { flex-direction: column; align-items: stretch; }
  .search-form input { min-width: 0; flex: 1; }

  .data-table th, .data-table td { padding: 12px 12px; font-size: 13px; }

  .download-card { flex-wrap: wrap; }
  .download-card .btn { width: 100%; justify-content: center; }

  .sitemap-col { padding: 20px; }
  .sitemap-wrap-3col { grid-template-columns: 1fr; }

  .footer-links-bar { font-size: 12px; }
  .footer-links-bar a { margin-right: 10px; }

  .compare-table { font-size: 13px; }
  .compare-table th, .compare-table td { padding: 12px 10px; }
  .subscribe-bar { flex-direction: column; text-align: center; padding: 26px 22px; }
  .subscribe-bar .btn { width: 100%; justify-content: center; }
  .article-nav { grid-template-columns: 1fr; }
  .article-nav .next { text-align: left; }
  .news-featured-body { padding: 24px; }
  .news-featured-body h2 { font-size: 19px; }
  .trust-item strong { font-size: 24px; }

  .float-service { right: 12px; bottom: 74px; }
  .float-btn { width: 50px; height: 50px; font-size: 20px; }
  .float-panel {
    right: 0;
    bottom: 62px;
    width: calc(100vw - 32px);
    max-width: 300px;
  }
}