/* ==========================================================================
   TikTok88VIP · 样式
   欧美风格 / 高端大气 / 冷色调（深海军蓝 × 石板灰蓝）
   ========================================================================== */

:root{
  --bg:        #f2f4f8;
  --surface:   #ffffff;
  --surface-2: #f7f9fc;
  --line:      #e2e7ef;
  --line-soft: #edf0f6;
  --text:      #101828;
  --text-2:    #475467;
  --text-3:    #8a94a6;
  --brand:     #1e4fd6;
  --brand-ink: #132f7a;
  --brand-soft:#ebf1fe;
  --navy:      #0d1f4c;
  --hot:       #e8322f;   /* 专属通道 / 热门 */
  --hot-soft:  #fff0ef;
  --promo:     #f08c1a;
  --promo-soft:#fff6e8;
  --radius:    12px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 2px rgba(16,24,40,.05);
  --shadow-md: 0 6px 18px rgba(13,31,76,.08);
  --shadow-lg: 0 14px 36px rgba(13,31,76,.14);
  --header-h: 150px;
}

*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;}
button{font:inherit;cursor:pointer;}
h1,h2,h3,p{margin:0;}
.wrap{width:100%;max-width:1220px;margin:0 auto;padding:0 24px;}

/* ---------------- Header ---------------- */
.header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
}
/* 顶部品牌色条：深海军蓝 → 冷蓝 */
.header::before{
  content:"";display:block;height:3px;
  background:linear-gradient(90deg,var(--navy),var(--brand) 55%,#3b82f6);
}
.header-inner{display:flex;align-items:center;gap:20px;height:var(--header-h);}

.brand{display:flex;align-items:center;gap:24px;flex-shrink:0;}
.brand-mark{
  width:108px;height:108px;flex-shrink:0;display:block;
  border-radius:50%;
  box-shadow:0 4px 22px rgba(4,10,30,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text strong{font-size:48px;font-weight:700;letter-spacing:-.6px;}
.brand-text em{font-style:normal;font-size:34.5px;color:var(--text-3);white-space:nowrap;}

.search-box{position:relative;flex:1;max-width:520px;margin-left:auto;}
.search-icon{position:absolute;left:13px;top:50%;transform:translateY(-50%);width:17px;height:17px;color:var(--text-3);pointer-events:none;}
.search-box input{
  width:100%;height:40px;padding:0 38px 0 38px;
  border:1px solid var(--line);border-radius:10px;
  background:var(--surface-2);color:var(--text);font-size:14px;outline:none;
  transition:border-color .18s,box-shadow .18s,background .18s;
}
.search-box input::placeholder{color:var(--text-3);}
.search-box input:focus{
  background:#fff;border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(47,92,255,.12);
}
.search-box input::-webkit-search-cancel-button{display:none;}
.search-clear{
  position:absolute;right:8px;top:50%;transform:translateY(-50%);
  width:22px;height:22px;border:0;border-radius:50%;
  background:#e6e9f0;color:var(--text-2);font-size:15px;line-height:1;
  display:none;align-items:center;justify-content:center;
}
.search-clear.show{display:flex;}

.header-actions{flex-shrink:0;}
.ghost-btn{
  display:inline-flex;align-items:center;gap:6px;height:36px;padding:0 13px;
  border:1px solid var(--line);border-radius:9px;background:#fff;
  color:var(--text-2);font-size:13.5px;font-weight:500;
  transition:.18s;
}
.ghost-btn svg{width:15px;height:15px;}
.ghost-btn:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft);}
.ghost-btn.active{background:var(--brand);border-color:var(--brand);color:#fff;}

/* ---------------- 分类导航条 ---------------- */
.catnav{background:#fff;border-top:1px solid var(--line-soft);}
.catnav-inner{
  display:flex;gap:6px;overflow-x:auto;padding-top:8px;padding-bottom:8px;
  scrollbar-width:none;
}
.catnav-inner::-webkit-scrollbar{display:none;}
.cat-chip{
  flex-shrink:0;display:inline-flex;align-items:center;gap:6px;
  height:32px;padding:0 13px;border-radius:8px;border:1px solid transparent;
  background:transparent;color:var(--text-2);font-size:13.5px;font-weight:500;
  white-space:nowrap;transition:.16s;
}
.cat-chip:hover{background:var(--surface-2);color:var(--text);}
.cat-chip.active{background:var(--brand-soft);color:var(--brand);font-weight:600;}
.cat-chip .cf{
  font-size:10.5px;font-weight:700;line-height:1;
  padding:3px 4px;border-radius:4px;
  background:#f1f3f8;color:var(--text-3);
  font-variant-numeric:tabular-nums;
}
.cat-chip.active .cf{background:var(--brand);color:#fff;}
.cat-chip .n{font-size:11.5px;color:var(--text-3);font-variant-numeric:tabular-nums;}

/* ---------------- 布局：左栏 + 主体 ---------------- */
.layout{display:flex;align-items:flex-start;gap:26px;padding-top:26px;}

/* ---------------- 左侧快捷导航栏 ---------------- */
.sidebar{
  width:212px;flex-shrink:0;
  position:sticky;top:82px;
  max-height:calc(100vh - 108px);
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);
  overflow:hidden;
}
.sidebar-head{
  display:flex;align-items:center;gap:7px;
  padding:13px 14px 11px;font-size:12.5px;font-weight:700;
  color:var(--text-3);letter-spacing:.6px;
  border-bottom:1px solid var(--line-soft);flex-shrink:0;
}
.sidebar-head svg{width:14px;height:14px;}
.side-nav{padding:9px;overflow-y:auto;scrollbar-width:thin;}
.side-nav::-webkit-scrollbar{width:5px;}
.side-nav::-webkit-scrollbar-thumb{background:#e2e6ef;border-radius:4px;}
.side-nav::-webkit-scrollbar-track{background:transparent;}

.side-item{
  display:flex;align-items:center;gap:9px;
  height:38px;padding:0 9px;border-radius:9px;
  color:var(--text-2);font-size:13.5px;font-weight:500;
  transition:background .15s,color .15s;cursor:pointer;
}
.side-item:hover{background:var(--surface-2);color:var(--text);}
.side-item.active{background:var(--brand-soft);color:var(--brand);font-weight:600;}
.side-item .f{
  flex-shrink:0;width:24px;text-align:center;
  font-size:11px;font-weight:700;line-height:1;
  padding:4px 0;border-radius:6px;
  background:#f1f3f8;color:var(--text-3);
  font-variant-numeric:tabular-nums;letter-spacing:.2px;
}
.side-item.active .f{background:var(--brand);color:#fff;}
.side-item .t{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.side-item .n{flex-shrink:0;font-size:11px;color:var(--text-3);font-variant-numeric:tabular-nums;}
.side-item.active .n{color:var(--brand);}
.sidebar-foot{
  flex-shrink:0;padding:10px 14px;border-top:1px solid var(--line-soft);
  font-size:11.5px;color:var(--text-3);background:var(--surface-2);
}

/* ---------------- Main ---------------- */
.main{flex:1;min-width:0;padding-bottom:60px;}

/* ---------------- 顶部横幅（注册钩子） ---------------- */
.hero{
  position:relative;margin-bottom:24px;
  border-radius:var(--radius-lg);overflow:hidden;
  background:var(--navy);box-shadow:var(--shadow-md);
  min-height:0;
}
.hero-bg{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:cover;object-position:right center;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(9,20,52,.92) 0%,rgba(9,20,52,.72) 42%,rgba(9,20,52,.18) 78%,rgba(9,20,52,0) 100%);
}
.hero-inner{
  position:relative;z-index:1;
  display:flex;align-items:center;justify-content:space-between;gap:26px;
  padding:22px 34px;
}
.hero-copy{flex:1;min-width:0;}
.hero-title{
  color:#fff;font-size:23px;font-weight:800;line-height:1.3;letter-spacing:-.3px;
}
.hero-title em{
  font-style:normal;display:block;
  background:linear-gradient(90deg,#6db8ff,#38e0ff);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  font-size:20px;margin-top:2px;
}
.hero-sub{
  color:#b9c8ea;font-size:13px;line-height:1.65;margin-top:7px;max-width:520px;
}
.hero-acts{display:flex;flex-wrap:wrap;gap:11px;flex-shrink:0;}
.hero-btn{
  display:inline-flex;align-items:center;gap:8px;height:42px;padding:0 20px;
  border-radius:11px;font-size:14.5px;font-weight:700;letter-spacing:.2px;
  cursor:pointer;border:0;transition:.18s;
}
.hero-btn svg{width:17px;height:17px;}
.hero-btn.primary{
  background:linear-gradient(135deg,#2f7bff,#38b6ff);color:#fff;
  box-shadow:0 8px 22px rgba(47,123,255,.42);
}
.hero-btn.primary:hover{transform:translateY(-1px);filter:brightness(1.08);}
.hero-btn.ghost{
  background:rgba(255,255,255,.1);color:#e7efff;
  border:1px solid rgba(190,215,255,.4);font-weight:600;font-size:13.5px;
}
.hero-btn.ghost:hover{background:rgba(255,255,255,.2);}

/* ---------------- 常用直达（固定一行） ---------------- */
.quick-wrap{margin-bottom:30px;}
.quick-head{display:flex;align-items:baseline;gap:12px;margin-bottom:13px;}
.quick-head h2{font-size:16px;font-weight:700;letter-spacing:-.2px;}
.quick-head h2::before{
  content:"";display:inline-block;width:3px;height:14px;border-radius:2px;
  background:var(--hot);margin-right:9px;vertical-align:-2px;
}
.quick-head span{font-size:12.5px;color:var(--text-3);}
.quick-grid{
  display:grid;gap:10px;
  grid-template-columns:repeat(4,1fr);
}
@media (max-width:1024px){
  .quick-grid{grid-template-columns:repeat(2,1fr);}
}

/* ---------------- 分类区块 ---------------- */
.section{margin-bottom:36px;scroll-margin-top:82px;}
.section-head{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.section-head .floor{
  flex-shrink:0;font-size:12px;font-weight:800;line-height:1;
  padding:7px 9px;border-radius:8px;letter-spacing:.2px;
  background:var(--brand);color:#fff;font-variant-numeric:tabular-nums;
  box-shadow:0 3px 10px rgba(47,92,255,.24);
}
.section-head .icon{
  width:30px;height:30px;border-radius:9px;flex-shrink:0;
  background:var(--brand-soft);display:flex;align-items:center;justify-content:center;
  font-size:15px;
}
.section-head h2{font-size:17px;font-weight:700;letter-spacing:-.2px;}
.section-head .desc{font-size:12.5px;color:var(--text-3);}
.section-head .count{
  margin-left:auto;font-size:12px;color:var(--text-3);
  font-variant-numeric:tabular-nums;
}

.group{margin-bottom:20px;}
.group:last-child{margin-bottom:0;}
.group-title{
  font-size:12.5px;font-weight:600;color:var(--text-3);
  letter-spacing:.4px;margin-bottom:9px;padding-left:2px;
}
.group-title::after{
  content:"";display:inline-block;vertical-align:middle;
  height:1px;background:var(--line);margin-left:10px;width:calc(100% - 100px);
  max-width:100%;
}
.grid{display:grid;gap:10px;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));}

/* ---------------- 链接卡片 ---------------- */
.card{
  position:relative;display:flex;align-items:center;gap:11px;
  padding:12px 13px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--line);
  box-shadow:var(--shadow-sm);
  transition:transform .16s ease,border-color .16s,box-shadow .16s;
}
.card:hover{
  transform:translateY(-2px);border-color:#d3daf0;box-shadow:var(--shadow-md);
}
.card:active{transform:translateY(0);}
.card.is-fav{border-color:#ffd9d7;background:#fffbfb;}

.card-avatar{
  width:34px;height:34px;border-radius:9px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;color:#fff;letter-spacing:-.3px;
  text-transform:uppercase;
}
/* 官方 logo 模式：白底圆角图标，字母头像垫底兜底 */
.card-avatar.has-logo{position:relative;background:#fff;border:1px solid var(--line-soft);overflow:hidden;}
.card-avatar.has-logo .av-fb{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  border-radius:inherit;
}
.card-avatar.has-logo img{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:contain;background:#fff;border-radius:inherit;
}
.card-body{min-width:0;flex:1;display:flex;flex-direction:column;}
.card-name{
  display:flex;align-items:center;gap:6px;min-width:0;
  font-size:14px;font-weight:600;color:var(--text);
}
.card-name .nm{
  min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.card-desc{
  display:flex;align-items:center;gap:6px;min-width:0;margin-top:2px;
  font-size:12px;color:var(--text-3);
}
.card-desc .dt{
  min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.card-go{
  flex-shrink:0;width:22px;height:22px;color:#cfd5e4;
  transition:color .16s,transform .16s;
}
.card:hover .card-go{color:var(--brand);transform:translateX(2px);}
.card-go svg{width:100%;height:100%;}

/* 角标 */
.badge{
  flex-shrink:0;font-size:10px;font-weight:700;line-height:1;
  padding:3px 5px;border-radius:5px;letter-spacing:.2px;
}
.badge.share{background:var(--hot);color:#fff;}
.badge.official{background:#eef0f5;color:var(--text-3);font-weight:600;}
.badge.promo{background:var(--promo-soft);color:var(--promo);}

/* 收藏星 */
.fav-btn{
  position:absolute;top:6px;right:6px;width:22px;height:22px;
  border:0;background:transparent;padding:0;border-radius:6px;
  color:#d8dce8;opacity:0;transition:.16s;display:flex;align-items:center;justify-content:center;
}
.card:hover .fav-btn,.card.is-fav .fav-btn{opacity:1;}
.fav-btn:hover{background:var(--surface-2);color:var(--promo);}
.card.is-fav .fav-btn{color:var(--promo);}
.fav-btn svg{width:14px;height:14px;}

/* 常用直达卡片：更扁更醒目 */
.quick-grid .card{padding:11px 12px;}
.quick-grid .card-avatar{background:linear-gradient(135deg,var(--navy),#3b82f6);}
.quick-grid .card-avatar.has-logo{background:#fff;border-color:var(--line-soft);}

/* ---------------- 搜索命中高亮 ---------------- */
mark{background:#fff3bf;color:inherit;border-radius:3px;padding:0 1px;}

/* ---------------- 空态 ---------------- */
.empty{text-align:center;padding:70px 20px;color:var(--text-3);}
.empty-emoji{font-size:40px;margin-bottom:12px;}
.empty p{font-size:15px;font-weight:600;color:var(--text-2);margin-bottom:5px;}
.empty span{font-size:13px;}

/* ---------------- Footer ---------------- */
.footer{border-top:1px solid var(--line);background:#fff;padding:26px 0;margin-top:20px;}
.footer-inner{text-align:center;}
.footer-inner p{font-size:13px;color:var(--text-2);}
.footer-inner .muted{font-size:12px;color:var(--text-3);margin-top:5px;}

/* ---------------- 小程序 / 复制型卡片 ---------------- */
.card-copy{cursor:pointer;}
.card-copy .card-go{color:#c9d0e2;}
.card-copy:hover .card-go{color:var(--brand);transform:none;}
.badge.mini{background:#e8fbf0;color:#12a05c;}
.badge.code{background:var(--promo-soft);color:var(--promo);font-weight:700;}

/* ---------------- 轻提示 ---------------- */
.toast{
  position:fixed;left:50%;bottom:34px;transform:translate(-50%,14px);
  background:#1b1f2a;color:#fff;font-size:13.5px;font-weight:500;
  padding:11px 18px;border-radius:10px;box-shadow:var(--shadow-lg);
  opacity:0;visibility:hidden;transition:.22s;z-index:80;
  max-width:calc(100vw - 40px);text-align:center;pointer-events:none;
}
.toast.show{opacity:1;visibility:visible;transform:translate(-50%,0);}

/* ---------------- 回到顶部 ---------------- */
.to-top{
  position:fixed;right:22px;bottom:22px;width:42px;height:42px;border-radius:12px;
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-md);
  display:flex;align-items:center;justify-content:center;
  color:var(--text-2);font-size:17px;
  opacity:0;visibility:hidden;transition:.2s;z-index:40;
}
.to-top.show{opacity:1;visibility:visible;}
.to-top:hover{color:var(--brand);border-color:var(--brand);}

/* WhatsApp 悬浮（配置后显示） */
.wa-float{
  position:fixed;right:22px;bottom:74px;width:42px;height:42px;border-radius:12px;
  background:#25d366;box-shadow:0 6px 18px rgba(37,211,102,.35);
  display:flex;align-items:center;justify-content:center;color:#fff;z-index:40;
}
.wa-float svg{width:22px;height:22px;}

/* 微信号悬浮（微信绿 · 点击打开联系弹层） */
.wx-float{
  position:fixed;right:22px;bottom:74px;width:auto;height:42px;padding:0 15px;
  border-radius:12px;border:0;cursor:pointer;
  background:linear-gradient(135deg,#07C160,#04a94f);
  color:#fff;font-size:13px;font-weight:600;letter-spacing:.2px;
  box-shadow:0 6px 18px rgba(7,193,96,.38);z-index:40;
  display:flex;align-items:center;gap:7px;
  transition:transform .18s, box-shadow .18s;
}
.wx-float svg{width:18px;height:18px;flex-shrink:0;}
.wx-float:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(7,193,96,.46);}
.wx-float::after{
  content:"";position:absolute;left:20px;top:22px;width:14px;height:14px;border-radius:50%;
  background:#07C160;opacity:.55;animation:wxPulse 2.2s ease-out infinite;z-index:-1;
}
@keyframes wxPulse{
  0%{transform:scale(1);opacity:.5;}
  100%{transform:scale(2.6);opacity:0;}
}

/* ---------------- 微信联系弹层 ---------------- */
.wx-modal{position:fixed;inset:0;z-index:90;display:flex;align-items:center;justify-content:center;padding:20px;}
.wx-modal[hidden]{display:none;}
.wx-modal-mask{position:absolute;inset:0;background:rgba(8,15,35,.55);backdrop-filter:blur(3px);animation:wxFade .22s ease;}
.wx-modal-card{
  position:relative;width:100%;max-width:372px;max-height:90vh;overflow:auto;
  background:#fff;border-radius:18px;padding:26px 24px 22px;
  box-shadow:0 24px 60px rgba(8,15,35,.32);animation:wxRise .26s cubic-bezier(.22,.8,.3,1);
}
@keyframes wxFade{from{opacity:0}to{opacity:1}}
@keyframes wxRise{from{opacity:0;transform:translateY(14px) scale(.98)}to{opacity:1;transform:none}}
.wx-modal-close{
  position:absolute;right:12px;top:12px;width:30px;height:30px;border-radius:9px;
  border:0;background:#f2f4f9;color:var(--text-2);cursor:pointer;
  display:flex;align-items:center;justify-content:center;
}
.wx-modal-close svg{width:15px;height:15px;}
.wx-modal-close:hover{background:#e7eaf3;}
.wx-modal-head{display:flex;align-items:flex-start;gap:12px;}
.wx-modal-logo{
  width:42px;height:42px;border-radius:12px;flex-shrink:0;
  background:linear-gradient(135deg,#07C160,#04a94f);color:#fff;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(7,193,96,.3);
}
.wx-modal-logo svg{width:24px;height:24px;}
.wx-modal-head h3{font-size:16.5px;font-weight:800;color:var(--text);line-height:1.35;}
.wx-modal-head p{font-size:12.5px;color:var(--text-3);margin-top:3px;line-height:1.5;}
.wx-modal-qr{margin-top:16px;text-align:center;}
.wx-modal-qr img{width:200px;height:200px;object-fit:contain;border-radius:12px;border:1px solid var(--line);}
.wx-modal-id{
  display:flex;align-items:center;gap:10px;margin-top:16px;
  background:#f5f8ff;border:1px solid #e3eaf9;border-radius:12px;padding:11px 13px;
}
.wx-modal-id .lbl{font-size:12px;color:var(--text-3);flex-shrink:0;}
.wx-modal-id strong{font-size:15px;font-weight:800;color:var(--navy);letter-spacing:.3px;flex:1;word-break:break-all;}
.wx-modal-copy{
  display:inline-flex;align-items:center;gap:5px;height:30px;padding:0 11px;flex-shrink:0;
  border-radius:9px;border:0;cursor:pointer;background:var(--navy);color:#fff;
  font-size:12.5px;font-weight:600;
}
.wx-modal-copy svg{width:13px;height:13px;}
.wx-modal-copy:hover{filter:brightness(1.15);}
.wx-modal-steps{margin:15px 0 0;padding-left:19px;color:var(--text-2);font-size:12.5px;line-height:1.95;}
.wx-modal-steps li::marker{color:#07C160;font-weight:700;}
.wx-modal-open{
  display:flex;align-items:center;justify-content:center;height:44px;margin-top:16px;
  border-radius:12px;background:linear-gradient(135deg,#07C160,#04a94f);
  color:#fff;font-size:14.5px;font-weight:700;
  box-shadow:0 6px 18px rgba(7,193,96,.32);
}
.wx-modal-open[hidden]{display:none;}
.wx-modal-open:hover{filter:brightness(1.06);}

/* ---------------- 语言切换 ---------------- */
.lang-switch{
  display:inline-flex;align-items:center;gap:5px;height:34px;padding:0 11px;flex-shrink:0;
  border-radius:9px;border:1px solid var(--line);background:var(--surface);
  color:var(--text-2);font-size:12.5px;font-weight:700;letter-spacing:.3px;
  transition:.16s;
}
.lang-switch svg{width:14px;height:14px;}
.lang-switch:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft);}

/* ---------------- 业务合作（招商）区块 ---------------- */
.biz{
  margin:44px 0 36px;border-radius:var(--radius-lg);overflow:hidden;
  background:linear-gradient(135deg,var(--navy) 0%,#16337d 60%,var(--brand) 130%);
  color:#fff;box-shadow:var(--shadow-md);
}
.biz-inner{padding:30px 34px;}
.biz h2{font-size:19px;font-weight:700;letter-spacing:.2px;}
.biz .biz-sub{font-size:13.5px;color:#b9c6ea;margin-top:6px;}
.biz-grid{display:flex;flex-wrap:wrap;gap:14px;margin-top:20px;}
.biz-item{
  flex:1;min-width:220px;padding:16px 18px;border-radius:12px;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
}
.biz-item h3{font-size:14.5px;font-weight:600;}
.biz-item p{font-size:12.5px;color:#b9c6ea;margin-top:5px;line-height:1.55;}
.wx-chip{
  display:inline-flex;align-items:center;gap:8px;margin-top:22px;
  padding:11px 18px;border-radius:11px;border:1px dashed rgba(255,255,255,.4);
  background:rgba(255,255,255,.08);color:#fff;font-size:14.5px;font-weight:600;
  cursor:pointer;letter-spacing:.4px;transition:.16s;
}
.wx-chip small{font-weight:400;font-size:12px;color:#b9c6ea;letter-spacing:0;}
.wx-chip:hover{background:rgba(255,255,255,.16);}
.wx-chip svg{width:16px;height:16px;}

/* ---------------- FAQ（对搜索引擎与 AI 引擎可见） ---------------- */
.faq{margin:0 0 40px;scroll-margin-top:96px;}
.faq h2{font-size:17px;font-weight:700;letter-spacing:-.2px;margin-bottom:14px;}
.faq-item{
  padding:15px 18px;margin-bottom:10px;border-radius:12px;
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-sm);
}
.faq-item h3{font-size:14px;font-weight:600;}
.faq-item p{font-size:13px;color:var(--text-2);margin-top:6px;line-height:1.7;}

/* ---------------- 响应式 ---------------- */
@media (max-width:860px){
  .wrap{padding:0 16px;}
  .brand-text em{display:none;}
  .header-inner{height:auto;padding-top:10px;padding-bottom:10px;flex-wrap:wrap;gap:10px;}
  .search-box{order:3;width:100%;max-width:none;margin-left:0;}
  .header-actions{margin-left:auto;}
  .ghost-btn span{display:none;}
  .grid{grid-template-columns:repeat(auto-fill,minmax(158px,1fr));gap:8px;}
  .card{padding:10px;gap:9px;}
  .card-avatar{width:30px;height:30px;font-size:13px;border-radius:8px;}
  .card-desc .dt{display:none;}   /* 手机上隐藏说明文字，但保留「3万美金额度」这类权益标签 */
  .cat-chip{height:30px;padding:0 10px;font-size:13px;}
  .section{margin-bottom:26px;}
  .brand-mark{width:56px;height:56px;}
  .brand-text strong{font-size:26px;}
  .hero{margin-bottom:18px;}
  .hero-inner{flex-direction:column;align-items:flex-start;gap:14px;padding:20px;}
  .hero-copy{max-width:none;}
  .hero-title{font-size:19px;}
  .hero-title em{font-size:16.5px;}
  .hero-sub{font-size:12.5px;margin-top:6px;}
  .hero-btn{height:42px;padding:0 16px;font-size:13.5px;}
  .hero-acts{gap:10px;}
  .biz-inner{padding:24px 20px;}
}
@media (max-width:420px){
  .quick-grid,.grid{grid-template-columns:1fr 1fr;}
  .card-name{font-size:13px;}
}

/* ---------------- 左栏 / 顶栏 显隐切换 ---------------- */
/* 桌面端：用左侧快捷导航栏，隐藏顶部横条 */
@media (min-width:1025px){
  .catnav{display:none;}
}
/* 平板与手机：隐藏左栏，改用顶部横条 */
@media (max-width:1024px){
  .sidebar{display:none;}
  .layout{gap:0;padding-top:20px;}
  .section{scroll-margin-top:168px;}
}
@media (max-width:860px){
  .section{scroll-margin-top:160px;}
  .section-head .floor{padding:6px 8px;font-size:11.5px;}
  .section-head .desc{display:none;}
}

/* ==========================================================================
   课程中心 & 企业定制培训
   ========================================================================== */

/* header 醒目课程按钮 */
.ghost-btn.cta{
  background:linear-gradient(135deg,#2f7bff,#38b6ff);color:#fff;
  border:0;box-shadow:0 4px 14px rgba(47,123,255,.35);font-weight:700;
}
.ghost-btn.cta svg{color:#fff;}
.ghost-btn.cta:hover{filter:brightness(1.08);}

/* ---- 主页：企业定制培训专栏 ---- */
.edu{
  position:relative;margin:6px 0 34px;
  border-radius:var(--radius-lg);overflow:hidden;
  background:linear-gradient(135deg,#0a1c44,#14399a 55%,#0d2b6b);
  box-shadow:var(--shadow-md);
}
.edu::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(620px 260px at 88% 0%,rgba(56,224,255,.18),transparent 62%);
}
.edu-inner{position:relative;padding:30px 34px;}
.edu-tag{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:1.5px;
  color:#67e8f9;border:1px solid rgba(103,232,249,.45);
  padding:4px 12px;border-radius:999px;margin-bottom:12px;
}
.edu-inner h2{color:#fff;font-size:23px;font-weight:800;letter-spacing:-.3px;margin:0;}
.edu-sub{color:#b9c8ea;font-size:13.5px;line-height:1.7;margin:8px 0 18px;max-width:760px;}
.edu-grid{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(205px,1fr));}
.edu-item{
  background:rgba(255,255,255,.06);border:1px solid rgba(140,190,255,.22);
  border-radius:12px;padding:14px 16px;
}
.edu-item h3{color:#fff;font-size:14.5px;font-weight:700;margin:0 0 4px;}
.edu-item p{color:#a9bbe3;font-size:12.5px;line-height:1.65;margin:0;}
.edu-acts{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:20px;}
.edu-btn{
  display:inline-flex;align-items:center;gap:8px;height:46px;padding:0 26px;
  border-radius:12px;background:linear-gradient(135deg,#2f7bff,#38b6ff);color:#fff;
  font-size:15px;font-weight:700;text-decoration:none;
  box-shadow:0 8px 22px rgba(47,123,255,.45);transition:.18s;
}
.edu-btn:hover{transform:translateY(-1px);filter:brightness(1.08);}
.edu-btn svg{width:17px;height:17px;}
@media (max-width:860px){
  .edu-inner{padding:22px 20px;}
  .edu-inner h2{font-size:19px;}
  .edu-sub{font-size:12.5px;}
  .edu-btn{height:42px;padding:0 20px;font-size:13.5px;}
}

/* ---- 课程专栏页 courses.html ---- */
.page-head{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
}
.page-head-inner{display:flex;align-items:center;justify-content:space-between;height:62px;}
.page-head-acts{display:flex;align-items:center;gap:9px;}
.back-btn{
  display:inline-flex;align-items:center;gap:7px;height:38px;padding:0 16px;
  border-radius:10px;border:1px solid var(--line);background:var(--surface);
  color:var(--text);font-size:13.5px;font-weight:600;text-decoration:none;transition:.18s;
}
.back-btn:hover{border-color:#c9d4ee;box-shadow:var(--shadow-sm);}
.back-btn svg{width:15px;height:15px;}

.course-hero{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  background:linear-gradient(135deg,#0a1c44,#14399a 55%,#0d2b6b);
  box-shadow:var(--shadow-md);margin-bottom:30px;
}
.course-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(620px 280px at 90% 10%,rgba(56,224,255,.2),transparent 62%);
}
.course-hero-inner{position:relative;padding:38px 38px;}
.course-hero .edu-tag{margin-bottom:14px;}
.course-hero h1{color:#fff;font-size:28px;font-weight:800;letter-spacing:-.4px;margin:0;}
.course-hero h1 em{
  font-style:normal;display:block;margin-top:4px;
  background:linear-gradient(90deg,#6db8ff,#38e0ff);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  font-size:22px;
}
.course-hero p{color:#b9c8ea;font-size:13.5px;line-height:1.75;margin:12px 0 0;max-width:640px;}

.course-section{margin-bottom:36px;}
.course-sec-head{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.course-sec-head .cs-icon{
  width:38px;height:38px;border-radius:10px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;font-size:19px;
  background:var(--brand-soft);
}
.course-sec-head h2{font-size:17px;font-weight:800;margin:0;letter-spacing:-.2px;}
.course-sec-head span{font-size:12.5px;color:var(--text-3);}
.course-grid{display:grid;gap:12px;grid-template-columns:repeat(auto-fill,minmax(248px,1fr));}
.course-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:16px 16px 14px;box-shadow:var(--shadow-sm);
  display:flex;flex-direction:column;gap:7px;transition:.18s;
}
.course-card:hover{transform:translateY(-2px);border-color:#c9d4ee;box-shadow:var(--shadow-md);}
.course-card h3{font-size:14.5px;font-weight:700;margin:0;color:var(--text);}
.course-card p{font-size:12.5px;color:var(--text-2);line-height:1.65;margin:0;flex:1;}
.pills{display:flex;flex-wrap:wrap;gap:6px;}
.pill{
  font-size:11.5px;padding:3px 9px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand-ink);font-weight:600;
}
.pill.hot{background:var(--hot-soft);color:var(--hot);}
.pill.gold{background:var(--promo-soft);color:#b26a00;}

.course-edu{
  border-radius:var(--radius-lg);padding:26px 28px;
  background:linear-gradient(135deg,#0a1c44,#14399a 55%,#0d2b6b);
  box-shadow:var(--shadow-md);color:#fff;
}
.course-edu h2{font-size:20px;font-weight:800;margin:0 0 8px;}
.course-edu p{color:#b9c8ea;font-size:13px;line-height:1.7;margin:0 0 16px;max-width:680px;}
.course-edu .edu-grid{grid-template-columns:repeat(auto-fit,minmax(190px,1fr));}
@media (max-width:860px){
  .course-hero-inner{padding:26px 20px;}
  .course-hero h1{font-size:22px;}
  .course-hero h1 em{font-size:17px;}
}