:root {
  --primary: #7c5cbf;
  --primary-light: #9b7fd4;
  --primary-bg: #f5f0ff;
  --primary-dark: #5a3d8f;
  --text: #333;
  --text-light: #666;
  --border: #e0d5f0;
  --white: #fff;
  --radius: 8px;
}
* { margin:0; padding:0; box-sizing:border-box; }
body { font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif; color:var(--text); line-height:1.7; background:var(--white); }
a { color:var(--primary); text-decoration:none; }
a:hover { color:var(--primary-dark); }
img { max-width:100%; height:auto; }
.container { max-width:1200px; margin:0 auto; padding:0 20px; }

/* ============ 顶部 ============ */
.site-header { background:var(--white); border-bottom:2px solid var(--border); position:sticky; top:0; z-index:100; }
.header-inner { display:flex; align-items:center; justify-content:space-between; height:70px; }
.logo { display:flex; align-items:center; gap:10px; font-size:22px; font-weight:700; color:var(--primary); }
.logo-icon { display:inline-flex; width:36px; height:36px; background:var(--primary); color:#fff; border-radius:50%; align-items:center; justify-content:center; font-size:18px; }

/* ============ 导航（关键修改：只影响一级ul） ============ */
.main-nav > ul { display:flex; list-style:none; gap:6px; }
.main-nav > ul > li { position:relative; }
.main-nav > ul > li > a { display:block; padding:8px 14px; border-radius:var(--radius); font-size:15px; color:var(--text); }
.main-nav > ul > li > a.active,
.main-nav > ul > li > a:hover { background:var(--primary-bg); color:var(--primary); }

/* ============ 下拉子菜单（独立控制，不再被一级ul规则影响） ============ */
.has-sub { position:relative; }
.has-sub > .sub-menu {
  display:none;
  position:absolute;
  top:100%;
  left:0;
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius);
  min-width:170px;
  box-shadow:0 4px 16px rgba(124,92,191,.12);
  padding:6px 0;
  list-style:none;
  z-index:10;
}
.has-sub > .sub-menu li { display:block; }
.has-sub > .sub-menu li a { display:block; padding:9px 16px; border-radius:0; font-size:14px; color:var(--text); }
.has-sub > .sub-menu li a:hover { background:var(--primary-bg); color:var(--primary); }
.has-sub:hover > .sub-menu { display:block; }

/* ============ 顶部按钮 ============ */
.header-actions { display:flex; gap:8px; }
.btn { display:inline-block; padding:8px 18px; border-radius:var(--radius); font-size:14px; font-weight:500; text-align:center; cursor:pointer; border:1px solid transparent; }
.btn-primary { background:var(--primary); color:#fff; }
.btn-primary:hover { background:var(--primary-dark); color:#fff; }
.btn-outline { border-color:var(--primary); color:var(--primary); background:transparent; }
.btn-outline:hover { background:var(--primary); color:#fff; }
.header-qq { text-align:right; padding:4px 20px; font-size:13px; color:var(--text-light); background:var(--primary-bg); }
.mobile-menu-btn { display:none; background:none; border:none; font-size:26px; color:var(--primary); cursor:pointer; padding:6px 12px; line-height:1; }
.mobile-bottom-bar { display:none; }

/* ============ 首页Hero ============ */
.hero { background:linear-gradient(135deg, var(--primary-bg) 0%, #ede5ff 100%); padding:70px 0; }
.hero h1 { font-size:38px; color:var(--primary-dark); margin-bottom:16px; }
.hero p { font-size:17px; color:var(--text-light); max-width:680px; margin-bottom:28px; }
.hero-btns { display:flex; gap:14px; flex-wrap:wrap; }
.hero-btns .btn { padding:12px 32px; font-size:16px; }

/* ============ 产品卡片 ============ */
.section { padding:60px 0; }
.section-title { text-align:center; font-size:28px; color:var(--primary-dark); margin-bottom:12px; }
.section-sub { text-align:center; color:var(--text-light); margin-bottom:40px; }
.product-grid { display:grid; grid-template-columns:repeat(auto-fit, minmax(200px,1fr)); gap:24px; }
.product-card { background:var(--white); border:1px solid var(--border); border-radius:var(--radius); padding:30px 22px; text-align:center; transition:transform .2s, box-shadow .2s; display:block; color:var(--text); }
.product-card:hover { transform:translateY(-4px); box-shadow:0 8px 24px rgba(124,92,191,.15); color:var(--text); }
.product-card .icon { font-size:40px; margin-bottom:14px; }
.product-card h3 { font-size:17px; color:var(--primary-dark); margin-bottom:8px; }
.product-card p { font-size:13px; color:var(--text-light); }

/* ============ 新闻 ============ */
.news-grid { display:grid; grid-template-columns:repeat(auto-fit, minmax(300px,1fr)); gap:24px; }
.news-card { background:#fff; border:1px solid var(--border); border-radius:var(--radius); overflow:hidden; }
.news-card img { width:100%; height:180px; object-fit:cover; }
.news-card .body { padding:18px; }
.news-card h3 { font-size:16px; margin-bottom:8px; }
.news-card h3 a { color:var(--text); }
.news-card h3 a:hover { color:var(--primary); }
.news-card .meta { font-size:12px; color:#999; margin-top:10px; }
.news-card .summary { font-size:13px; color:var(--text-light); }

/* ============ 文章正文 ============ */
.article-content { font-size:16px; line-height:1.9; word-break:break-word; overflow-wrap:break-word; }
.article-content p { margin-bottom:16px; }
.article-content img { max-width:100%; height:auto; border-radius:var(--radius); margin:16px 0; }
.article-content h2, .article-content h3 { margin:24px 0 12px; color:var(--primary-dark); }

/* ============ 联系我们 ============ */
.contact-grid { display:grid; grid-template-columns:1fr 1fr; gap:40px; }
.contact-info li { margin-bottom:14px; font-size:15px; }

/* ============ 底部 ============ */
.site-footer { background:#2d1f4e; color:#ccc; margin-top:60px; }
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1.5fr; gap:40px; padding:50px 20px 30px; }
.footer-col h4 { color:#fff; font-size:16px; margin-bottom:16px; }
.footer-col p, .footer-col li { font-size:13px; line-height:2; color:#b0a8c8; }
.footer-col ul { list-style:none; }
.footer-col a { color:#b0a8c8; }
.footer-col a:hover { color:#fff; }
.footer-bottom { border-top:1px solid rgba(255,255,255,.1); padding:18px 0; text-align:center; font-size:13px; }
.footer-bottom a { color:#b0a8c8; }

/* ============================================================ */
/* ============ 手机端适配（≤768px） ============ */
/* ============================================================ */
@media (max-width: 768px) {
  .header-inner {
    height:auto;
    flex-wrap:wrap;
    padding:10px 0;
    justify-content:space-between;
    align-items:center;
  }
  .logo { order:1; }
  .mobile-menu-btn { display:block; order:2; }

  /* 关键修改：手机端隐藏顶部两个按钮 */
  .header-actions { display:none !important; }

  /* 主菜单折叠 */
  .main-nav { display:none; width:100%; order:3; margin-top:8px; }
  .main-nav.open { display:block; }
  .main-nav > ul { flex-direction:column; gap:0; }
  .main-nav > ul > li { position:static; }
  .main-nav > ul > li > a {
    display:block;
    padding:12px 16px;
    border-radius:0;
    border-bottom:1px solid var(--border);
  }

  /* 手机端子菜单：默认隐藏，点击父级后展开 */
  .has-sub > .sub-menu {
    position:static;
    display:none;
    box-shadow:none;
    border:none;
    border-radius:0;
    padding:0;
    min-width:auto;
    background:var(--primary-bg);
    margin:0;
  }
  /* 手机端禁用桌面hover行为，防止触摸设备误触常显 */
  .has-sub:hover > .sub-menu { display:none; }
  /* 通过JS给父li加.open类展开子菜单 */
  .has-sub.open > .sub-menu { display:block; }
  .has-sub > .sub-menu li a {
    display:block;
    padding:11px 16px 11px 36px;
    border-bottom:1px solid rgba(124,92,191,.12);
    font-size:14px;
  }

  .hero h1 { font-size:26px; }
  .hero { padding:40px 0; }
  .hero p { font-size:15px; }
  .section { padding:40px 0; }
  .contact-grid { grid-template-columns:1fr; }
  .footer-grid { grid-template-columns:1fr; gap:24px; padding:30px 20px; }
  .product-grid { grid-template-columns:repeat(auto-fit, minmax(150px,1fr)); gap:14px; }
  .product-card { padding:20px 14px; }
  .product-card .icon { font-size:32px; }

  /* 手机端底部固定按钮 */
  body { padding-bottom:68px; }
  .mobile-bottom-bar {
    display:flex;
    position:fixed;
    bottom:0;
    left:0;
    right:0;
    z-index:999;
    background:#fff;
    border-top:1px solid var(--border);
    padding:8px 12px;
    padding-bottom:calc(8px + env(safe-area-inset-bottom));
    gap:10px;
    box-shadow:0 -2px 12px rgba(124,92,191,.08);
  }
  .mob-btn { flex:1; text-align:center; padding:12px; border-radius:var(--radius); font-size:15px; font-weight:600; }
  .mob-btn-primary { background:var(--primary); color:#fff; }
  .mob-btn-outline { border:1px solid var(--primary); color:var(--primary); }
}

/* 超窄屏（≤420px）微调 */
@media (max-width: 420px) {
  .logo-text { font-size:18px; }
  .mobile-menu-btn { font-size:22px; padding:4px 8px; }
}
/* ============================================================
 * 追加模块样式：账户对比 / 平台介绍 / 全球办公室 / 监管 / 时间线
 *              开户流程 / FAQ / 热门文章 / QQ复制提示
 * ============================================================ */

/* ============ 账户类型对比表 ============ */
.account-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; border-radius:var(--radius); }
.account-table { width:100%; min-width:660px; border-collapse:collapse; background:#fff; box-shadow:0 2px 12px rgba(124,92,191,.08); }
.account-table th, .account-table td { padding:14px 18px; text-align:center; font-size:14px; border-bottom:1px solid var(--border); }
.account-table thead th { background:var(--primary); color:#fff; font-weight:600; font-size:15px; }
.account-table thead th:first-child { text-align:left; }
.account-table tbody td:first-child { text-align:left; color:var(--text-light); font-weight:500; }
.account-table tbody tr:hover { background:var(--primary-bg); }
.account-table .highlight { color:var(--primary); font-weight:700; }
.account-btn { display:inline-block; padding:7px 18px; background:var(--primary); color:#fff; border-radius:6px; font-size:13px; }
.account-btn:hover { background:var(--primary-dark); color:#fff; }

/* ============ 平台详细介绍（图文左右） ============ */
.intro-grid { display:grid; grid-template-columns:1.2fr 1fr; gap:40px; align-items:center; }
.intro-text h3 { color:var(--primary-dark); font-size:20px; margin-bottom:12px; }
.intro-text p { font-size:15px; color:var(--text-light); margin-bottom:14px; }
.intro-points { list-style:none; margin-top:16px; }
.intro-points li { padding:8px 0 8px 26px; position:relative; font-size:14px; }
.intro-points li::before { content:"✓"; position:absolute; left:0; top:8px; color:var(--primary); font-weight:700; }
.intro-visual { background:linear-gradient(135deg,var(--primary-bg),#ede5ff); border-radius:12px; padding:36px 28px; text-align:center; }
.intro-visual .big-num { font-size:40px; font-weight:800; color:var(--primary); line-height:1.2; }
.intro-visual .big-num span { font-size:18px; }
.intro-visual .label { font-size:13px; color:var(--text-light); margin-top:6px; margin-bottom:22px; }

/* ============ 全球办公室 ============ */
.office-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); gap:22px; }
.office-card { background:#fff; border:1px solid var(--border); border-radius:var(--radius); padding:26px 22px; text-align:center; transition:transform .2s, box-shadow .2s; }
.office-card:hover { transform:translateY(-4px); box-shadow:0 8px 24px rgba(124,92,191,.15); }
.office-card .flag { font-size:36px; margin-bottom:10px; }
.office-card h4 { color:var(--primary-dark); font-size:16px; margin-bottom:8px; }
.office-card p { font-size:13px; color:var(--text-light); line-height:1.7; }

/* ============ 监管信息 ============ */
.reg-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(260px,1fr)); gap:22px; }
.reg-card { background:#fff; border:1px solid var(--border); border-left:4px solid var(--primary); border-radius:var(--radius); padding:24px; }
.reg-card .reg-icon { font-size:28px; margin-bottom:10px; }
.reg-card h4 { color:var(--primary-dark); font-size:16px; margin-bottom:8px; }
.reg-card p { font-size:13px; color:var(--text-light); line-height:1.8; }
.reg-card .reg-no { display:inline-block; margin-top:10px; font-size:12px; background:var(--primary-bg); color:var(--primary); padding:3px 10px; border-radius:4px; }

/* ============ 发展历程时间线 ============ */
.timeline { position:relative; padding-left:28px; margin-top:20px; }
.timeline::before { content:""; position:absolute; left:8px; top:6px; bottom:6px; width:2px; background:var(--border); }
.timeline-item { position:relative; padding-bottom:26px; }
.timeline-item:last-child { padding-bottom:0; }
.timeline-item::before { content:""; position:absolute; left:-28px; top:4px; width:16px; height:16px; border-radius:50%; background:var(--primary); border:3px solid var(--primary-bg); }
.timeline-item .year { font-weight:700; color:var(--primary-dark); font-size:15px; margin-bottom:4px; }
.timeline-item .tl-text { font-size:14px; color:var(--text-light); }

/* ============ 开户流程步骤条 ============ */
.steps { display:grid; grid-template-columns:repeat(auto-fit,minmax(200px,1fr)); gap:20px; counter-reset:step; margin-top:20px; }
.step-card { position:relative; background:#fff; border:1px solid var(--border); border-radius:var(--radius); padding:34px 22px 24px; text-align:center; }
.step-card::before { counter-increment:step; content:counter(step); position:absolute; top:-18px; left:50%; transform:translateX(-50%); width:36px; height:36px; line-height:36px; border-radius:50%; background:var(--primary); color:#fff; font-weight:700; font-size:16px; box-shadow:0 4px 12px rgba(124,92,191,.3); }
.step-card h4 { color:var(--primary-dark); font-size:15px; margin:12px 0 8px; }
.step-card p { font-size:13px; color:var(--text-light); }

/* ============ FAQ 折叠面板 ============ */
.faq-list { max-width:900px; margin:0 auto; }
.faq-item { background:#fff; border:1px solid var(--border); border-radius:var(--radius); margin-bottom:12px; overflow:hidden; }
.faq-q { display:flex; justify-content:space-between; align-items:center; padding:16px 20px; font-size:15px; font-weight:600; color:var(--text); cursor:pointer; user-select:none; }
.faq-q .arrow { transition:transform .25s; color:var(--primary); font-size:12px; }
.faq-item.open .faq-q .arrow { transform:rotate(180deg); }
.faq-a { max-height:0; overflow:hidden; transition:max-height .3s ease; background:var(--primary-bg); }
.faq-item.open .faq-a { max-height:600px; }
.faq-a-inner { padding:14px 20px; font-size:14px; color:var(--text-light); line-height:1.9; }

/* ============ 新闻中心热门文章 ============ */
.hot-articles { background:var(--primary-bg); border-radius:var(--radius); padding:30px; margin-top:50px; }
.hot-articles h3 { color:var(--primary-dark); font-size:18px; margin-bottom:20px; padding-left:12px; border-left:4px solid var(--primary); }
.hot-list { list-style:none; display:block; }
.hot-list li { display:flex; align-items:center; gap:12px; padding:10px 0; border-bottom:1px dashed var(--border); }
.hot-list li .num { flex-shrink:0; width:24px; height:24px; line-height:24px; text-align:center; border-radius:4px; background:var(--primary); color:#fff; font-size:13px; font-weight:700; }
.hot-list li:nth-child(n+4) .num { background:#b0a8c8; }
.hot-list li a { flex:1; font-size:14px; color:var(--text); overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.hot-list li a:hover { color:var(--primary); }
.hot-list li .views { flex-shrink:0; font-size:12px; color:#999; }

/* ============ QQ 点击复制 ============ */
.qq-copy { cursor:pointer; color:var(--primary); border-bottom:1px dashed var(--primary); transition:color .2s; }
.qq-copy:hover { color:var(--primary-dark); }
.copy-toast { position:fixed; left:50%; bottom:120px; transform:translateX(-50%) translateY(20px); background:rgba(45,31,78,.95); color:#fff; padding:10px 22px; border-radius:24px; font-size:14px; z-index:9999; opacity:0; pointer-events:none; transition:opacity .3s, transform .3s; }
.copy-toast.show { opacity:1; transform:translateX(-50%) translateY(0); }

/* ============ 新增模块手机端适配 ============ */
@media (max-width:768px) {
  .intro-grid { grid-template-columns:1fr; gap:24px; }
  .steps { grid-template-columns:1fr; gap:30px; }
  .hot-list { grid-template-columns:1fr; }
  .account-table th, .account-table td { padding:11px 12px; font-size:13px; }
  .office-grid { grid-template-columns:1fr 1fr; }
  .faq-q { font-size:14px; padding:14px 16px; }
  .hot-articles { padding:22px 18px; }
}
@media (max-width:420px) {
  .office-grid { grid-template-columns:1fr; }
}
/* ============================================================
 * 微信联系方式 & 顶部联系方式栏
 * ============================================================ */

/* 顶部联系方式栏（QQ + 微信） */
.header-contact-bar {
  text-align: right;
  padding: 4px 20px;
  font-size: 13px;
  color: var(--text-light);
  background: var(--primary-bg);
  display: flex;
  justify-content: flex-end;
  gap: 24px;
}
.header-contact-bar .contact-item { display: inline-flex; align-items: center; }

/* 兼容旧类名（若其它页面还在用 .header-qq） */
.header-qq {
  text-align: right;
  padding: 4px 20px;
  font-size: 13px;
  color: var(--text-light);
  background: var(--primary-bg);
}

/* 微信扫码板块 */
.wechat-block {
  margin-top: 50px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 40px;
  align-items: center;
  box-shadow: 0 2px 12px rgba(124,92,191,.06);
}
.wechat-text h2 {
  font-size: 22px;
  color: var(--primary-dark);
  margin-bottom: 14px;
}
.wechat-text p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.8;
}
.wechat-points {
  list-style: none;
  margin-top: 20px;
}
.wechat-points li {
  padding: 6px 0;
  font-size: 14px;
  color: var(--text);
}
.wechat-qr {
  text-align: center;
  background: var(--primary-bg);
  border-radius: 12px;
  padding: 24px 18px;
}
.wechat-qr img {
  width: 220px;
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  background: #fff;
  padding: 8px;
  box-shadow: 0 2px 8px rgba(124,92,191,.15);
}
.wechat-qr p {
  margin-top: 14px;
  font-size: 13px;
  color: var(--primary-dark);
  font-weight: 500;
}

/* 手机端适配 */
@media (max-width: 768px) {
  .header-contact-bar {
    justify-content: center;
    gap: 16px;
    padding: 6px 12px;
    flex-wrap: wrap;
    font-size: 12px;
  }
  .wechat-block {
    grid-template-columns: 1fr;
    padding: 26px 18px;
    gap: 24px;
  }
  .wechat-text h2 { font-size: 18px; }
  .wechat-qr img { width: 180px; }
}