/* ============================================================
   教学资料网 · 前台样式
   ============================================================ */
:root{
  --paper:#F6F5F1;
  --paper-2:#EFEDE6;
  --surface:#FFFFFF;
  --ink:#232B2E;
  --ink-2:#3A4347;
  --muted:#6E7578;
  --line:#E2DED5;
  --c-primary:#3E9B6C;
  --radius:18px;
  --shadow:0 12px 32px rgba(35,43,46,.09);
  --shadow-lg:0 22px 48px rgba(35,43,46,.14);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'Noto Sans SC',-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif;
  color:var(--ink);
  background:var(--paper);
  background-image:radial-gradient(rgba(35,43,46,.055) 1px,transparent 1px);
  background-size:24px 24px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4{margin:0;line-height:1.2;}
img{display:block;max-width:100%;}
p{margin:0;}
:focus-visible{outline:3px solid rgba(224,122,63,.5);outline-offset:2px;border-radius:6px;}
.wrap{max-width:1280px;margin:0 auto;padding-left:24px;padding-right:24px;}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(246,245,241,.9);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;gap:24px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;font-family:'Noto Serif SC','Noto Sans SC',serif;font-weight:900;font-size:20px;letter-spacing:.5px;white-space:nowrap;}
.brand .logo-tab{
  display:flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:9px 9px 4px 4px;background:var(--ink);color:#fff;
}
.brand svg{width:19px;height:19px;}
.nav-links{display:flex;gap:2px;margin-left:6px;flex-wrap:nowrap;}
.nav-links a{
  padding:7px 12px;border-radius:9px;font-size:14.5px;font-weight:500;color:var(--ink-2);
  white-space:nowrap;transition:background .2s,color .2s;
}
.nav-links a:hover,.nav-links a.active{background:var(--paper-2);color:var(--ink);}
.nav-search{
  display:flex;align-items:center;gap:8px;flex:1;max-width:240px;margin-left:auto;
  background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:7px 14px;
}
.nav-search svg{width:16px;height:16px;color:var(--muted);flex:none;}
.nav-search input{border:0;outline:0;background:transparent;font:inherit;font-size:14px;width:100%;color:var(--ink);}
.nav-cta{
  background:var(--ink);color:#fff;font-size:14px;font-weight:600;
  padding:9px 18px;border-radius:999px;white-space:nowrap;transition:transform .2s,background .2s;
}
.nav-cta:hover{background:#101416;transform:translateY(-1px);}
.nav-toggle{
  display:none;margin-left:auto;align-items:center;justify-content:center;
  width:40px;height:40px;border:1px solid var(--line);border-radius:10px;background:var(--surface);cursor:pointer;
}
.nav-toggle svg{width:20px;height:20px;}
.mobile-menu{display:none;flex-direction:column;padding:8px 20px 16px;border-top:1px solid var(--line);background:rgba(246,245,241,.98);}
.mobile-menu.open{display:flex;}
.mobile-menu a{padding:12px 6px;font-size:15px;font-weight:500;color:var(--ink-2);border-bottom:1px dashed var(--line);}
.mobile-menu a:last-child{border-bottom:0;}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;gap:9px;font-size:15.5px;font-weight:600;cursor:pointer;
  padding:12px 24px;border-radius:999px;border:0;font-family:inherit;
  transition:transform .2s,box-shadow .2s,background .2s;
}
.btn svg{width:17px;height:17px;}
.btn-primary{background:var(--ink);color:#fff;}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(35,43,46,.22);}
.btn-ghost{background:var(--surface);color:var(--ink);border:1px solid var(--line);}
.btn-ghost:hover{transform:translateY(-2px);border-color:#cfcabe;}

/* ===== Hero ===== */
.hero{padding:64px 0 56px;}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:52px;align-items:center;}
.hero .eyebrow{
  display:inline-flex;align-items:center;
  background:var(--ink);color:#fff;font-size:13px;font-weight:600;letter-spacing:2px;
  padding:7px 16px 7px 14px;border-radius:10px 10px 4px 4px;
}
.hero h1{margin-top:26px;font-size:clamp(42px,5.4vw,66px);font-weight:900;letter-spacing:2px;font-family:'Noto Serif SC',serif;}
.hero h1 .hl{position:relative;z-index:0;}
.hero h1 .hl::before{
  content:"";position:absolute;left:-6px;right:-6px;bottom:6px;height:34%;
  background:linear-gradient(104deg,rgba(224,122,63,.28),rgba(224,122,63,.34));
  z-index:-1;border-radius:4px;
}
.hero .lead{margin:20px 0 0;font-size:18px;color:var(--ink-2);max-width:560px;}
.hero .cta-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero .descriptors{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:34px;padding-top:24px;border-top:1px dashed #d8d4c9;}
.descriptor{font-size:14px;color:var(--ink-2);font-weight:500;}
.descriptor::before{content:"";display:inline-block;width:9px;height:9px;border-radius:50%;background:var(--c-primary);margin-right:7px;vertical-align:1px;}
.hero-visual{
  background:var(--surface);border:1px solid var(--line);border-radius:24px;
  box-shadow:var(--shadow-lg);padding:40px 32px;text-align:center;position:relative;overflow:hidden;
}
.hero-stat .stat-num{
  font-family:'Noto Serif SC',serif;font-size:clamp(56px,7vw,88px);font-weight:900;line-height:1;
  background:linear-gradient(120deg,#232B2E 30%,#3E9B6C 90%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-stat .stat-label{margin-top:10px;font-size:15px;color:var(--muted);letter-spacing:2px;}
.hero-tabs{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:30px;}
.hero-tabs .htab{
  color:#fff;font-size:13px;font-weight:600;padding:8px 16px;border-radius:9px 9px 5px 5px;
  box-shadow:0 5px 12px rgba(35,43,46,.14);
}

/* ===== 通用小节头 ===== */
.columns{padding:56px 0 72px;}
.list-sec{padding:56px 0 72px;}
.list-sec--dark{background:var(--ink);color:#fff;}
.list-sec--dark .sec-head p{color:rgba(255,255,255,.66);}
.list-sec--dark .m-row{border-color:rgba(255,255,255,.12);}
.list-sec--dark .m-row:hover{background:rgba(255,255,255,.06);}
.list-sec--dark .m-title{color:#fff;}
.list-sec--dark .m-meta{color:rgba(255,255,255,.55);}
.list-sec--dark .m-dl{color:rgba(255,255,255,.7);}
.list-sec--dark .empty{color:rgba(255,255,255,.5);}
.sec-head{max-width:640px;margin-bottom:46px;}
.sec-head .eyebrow{
  display:inline-flex;align-items:center;
  background:var(--ink);color:#fff;font-size:13px;font-weight:600;letter-spacing:2px;
  padding:6px 15px 6px 13px;border-radius:9px 9px 4px 4px;
}
.sec-head h2{margin-top:22px;font-size:clamp(28px,3.4vw,40px);font-weight:900;letter-spacing:1px;font-family:'Noto Serif SC',serif;}
.sec-head p{margin:14px 0 0;color:var(--muted);font-size:15.5px;}

/* ===== 栏目卡片 ===== */
.cards{display:grid;gap:22px;grid-template-columns:repeat(3,1fr);padding-top:16px;}
.card{
  position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:58px 20px 22px;box-shadow:0 6px 20px rgba(35,43,46,.05);
  transition:transform .25s ease,box-shadow .25s ease;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);}
.card-tab{
  position:absolute;top:-15px;left:16px;display:flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:10px 10px 5px 5px;color:#fff;
  font-size:15px;font-weight:700;box-shadow:0 5px 12px rgba(35,43,46,.16);
}
.card-tab svg{width:17px;height:17px;}
.card .icon{
  display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:12px;margin-bottom:14px;
}
.card .icon svg{width:21px;height:21px;}
.card .desc{margin:0;font-size:13.5px;color:var(--ink-2);min-height:64px;}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.chip{
  font-size:12px;font-weight:500;color:var(--ink-2);background:var(--paper);
  border:1px solid var(--line);border-radius:999px;padding:4px 10px;
}
.card-meta{margin-top:14px;font-size:12.5px;color:var(--muted);}
.card-link{
  display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:14px;font-weight:700;color:var(--cc,var(--ink));
}
.card-link svg{width:16px;height:16px;transition:transform .2s;}
.card:hover .card-link svg{transform:translateX(4px);}

/* ===== 资料列表 ===== */
.m-list{display:flex;flex-direction:column;gap:12px;}
.m-row{
  display:flex;align-items:center;gap:16px;background:var(--surface);
  border:1px solid var(--line);border-radius:14px;padding:16px 18px;
  transition:transform .2s,box-shadow .2s,border-color .2s;
}
.m-row:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:#d5d0c3;}
.m-type{flex:none;font-size:12.5px;font-weight:600;padding:5px 12px;border-radius:999px;}
.m-title{flex:1;font-size:15.5px;font-weight:600;color:var(--ink);min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.top-badge{
  display:inline-block;font-style:normal;font-size:11px;font-weight:700;color:#fff;background:var(--c-ai);
  border-radius:5px;padding:1px 7px;margin-right:8px;vertical-align:2px;
}
.m-meta{flex:none;font-size:13px;color:var(--muted);white-space:nowrap;}
.m-dl{flex:none;font-size:13px;color:var(--muted);font-weight:600;white-space:nowrap;}
.rank{
  flex:none;display:flex;align-items:center;justify-content:center;width:30px;height:30px;
  font-family:'Noto Serif SC',serif;font-weight:900;color:var(--ink);background:rgba(255,255,255,.12);border-radius:9px;
}
.empty{padding:30px 0;color:var(--muted);text-align:center;}

/* ===== 栏目页头 ===== */
.page-head{padding:44px 0 8px;position:relative;}
.page-head::before{
  content:"";position:absolute;left:0;right:0;top:0;height:4px;background:linear-gradient(90deg,var(--cc,#3E9B6C),transparent);
}
.page-head--plain::before{display:none;}
.ph-inner{display:flex;align-items:center;gap:20px;}
.ph-icon{display:flex;align-items:center;justify-content:center;width:56px;height:56px;border-radius:16px;flex:none;}
.ph-icon svg{width:28px;height:28px;}
.page-head h1{font-size:clamp(26px,3.2vw,36px);font-weight:900;font-family:'Noto Serif SC',serif;}
.page-head p{margin-top:8px;color:var(--muted);font-size:14.5px;}
.ph-count{margin-left:auto;flex:none;font-size:13.5px;color:var(--muted);background:var(--surface);border:1px solid var(--line);padding:8px 16px;border-radius:999px;}

/* ===== 筛选栏 ===== */
.filter-bar{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin:20px 0 26px;padding-bottom:18px;border-bottom:1px dashed var(--line);}
.filter-group{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.filter-label{font-size:13px;color:var(--muted);margin-right:4px;}
.filter-item{font-size:13.5px;color:var(--ink-2);padding:6px 14px;border-radius:999px;border:1px solid var(--line);background:var(--surface);transition:all .2s;}
.filter-item:hover{border-color:#cfcabe;}
.filter-item.active{background:var(--ink);color:#fff;border-color:var(--ink);}
.filter-search{margin-left:auto;display:flex;}
.filter-search input{
  border:1px solid var(--line);border-radius:999px;background:var(--surface);padding:8px 16px;
  font:inherit;font-size:14px;width:220px;outline:0;
}
.filter-search input:focus{border-color:#cfcabe;}

/* ===== 分页 ===== */
.pagination{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:36px;}
.pagination a{
  min-width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;
  padding:0 12px;border-radius:10px;border:1px solid var(--line);background:var(--surface);
  font-size:14px;color:var(--ink-2);transition:all .2s;
}
.pagination a:hover{border-color:#cfcabe;}
.pagination a.active{background:var(--ink);color:#fff;border-color:var(--ink);}

/* ===== 详情页 ===== */
.detail{padding:44px 0 72px;}
.detail-grid{display:grid;grid-template-columns:1fr 320px;gap:40px;align-items:start;}
.detail-main{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:32px;box-shadow:0 6px 20px rgba(35,43,46,.05);}
.breadcrumb{font-size:13px;color:var(--muted);margin-bottom:20px;}
.breadcrumb a:hover{color:var(--ink);text-decoration:underline;}
.detail-title{font-size:clamp(24px,3vw,32px);font-weight:900;line-height:1.4;font-family:'Noto Serif SC',serif;}
.detail-meta{display:flex;flex-wrap:wrap;gap:10px 20px;margin:18px 0 26px;padding:14px 0;border-top:1px dashed var(--line);border-bottom:1px dashed var(--line);font-size:13.5px;color:var(--muted);}
.detail-desc h3,.side-card h3{font-size:16px;font-weight:700;margin-bottom:12px;}
.detail-desc p{color:var(--ink-2);font-size:15px;white-space:pre-line;}
.detail-actions{display:flex;align-items:center;gap:16px;margin-top:28px;flex-wrap:wrap;}
.detail-size{font-size:13.5px;color:var(--muted);}
.detail-side .side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;}
.side-link{display:block;padding:9px 0;font-size:14px;color:var(--ink-2);border-bottom:1px dashed var(--line);}
.side-link:hover{color:var(--ink);}
.side-link:last-child{border-bottom:0;}

/* ===== 搜索页 ===== */
.big-search{display:flex;gap:12px;margin-top:22px;max-width:620px;}
.big-search input{
  flex:1;border:1px solid var(--line);border-radius:999px;background:var(--surface);padding:13px 22px;
  font:inherit;font-size:15px;outline:0;
}
.big-search input:focus{border-color:#cfcabe;}
.result-info{margin-bottom:20px;color:var(--muted);font-size:14px;}
.result-info strong{color:var(--ink);}

/* ===== 页脚 ===== */
.site-footer{border-top:1px solid var(--line);padding:44px 0 36px;}
.footer-grid{display:flex;flex-wrap:wrap;gap:36px;align-items:flex-start;justify-content:space-between;}
.footer-brand{max-width:340px;}
.footer-brand p{margin:14px 0 0;font-size:13.5px;color:var(--muted);}
.footer-nav{display:flex;gap:44px;}
.footer-nav .col h4{margin:0 0 12px;font-size:13px;letter-spacing:1.5px;color:var(--muted);font-weight:600;}
.footer-nav .col a{display:block;font-size:14px;color:var(--ink-2);padding:4px 0;}
.footer-nav .col a:hover{color:var(--ink);}
.copyright{margin-top:34px;padding-top:20px;border-top:1px solid var(--line);font-size:13px;color:var(--muted);display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between;}

/* ===== 响应式 ===== */
@media (max-width:999px){
  .cards{grid-template-columns:repeat(2,1fr);}
  .detail-grid{grid-template-columns:1fr;}
}
@media (max-width:919px){
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero .lead{max-width:640px;}
}
@media (max-width:979px){
  .nav-links,.nav-search,.nav-cta{display:none;}
  .nav-toggle{display:flex;}
}
@media (max-width:619px){
  .cards{grid-template-columns:1fr;}
  .wrap{padding-left:18px;padding-right:18px;}
  .footer-nav{flex-direction:column;gap:24px;}
  .m-row{flex-wrap:wrap;}
  .m-title{white-space:normal;}
  .detail-main{padding:22px;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *{animation:none!important;transition:none!important;}
}

/* ===== 会员系统：提示消息 ===== */
.flash{padding:12px 18px;border-radius:10px;margin-bottom:18px;font-size:14px;}
.flash--success{background:#e6f4ec;color:#2c7a52;border:1px solid #bfe3d0;}
.flash--error{background:#fbeaea;color:#b03a3a;border:1px solid #f0c9c9;}

/* ===== 会员系统：表单 ===== */
.form{display:flex;flex-direction:column;gap:16px;}
.form-row{display:flex;flex-direction:column;gap:6px;}
.form-row label{font-size:13.5px;font-weight:600;color:var(--ink-2);}
.form-row input[type=text],
.form-row input[type=password],
.form-row input[type=email],
.form-row input[type=search],
.form-row select,
.form-row textarea{
  border:1px solid var(--line);border-radius:10px;padding:10px 14px;font:inherit;font-size:14px;color:var(--ink);
  background:#fff;outline:0;width:100%;
}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{border-color:#b8b2a2;}
.form-row input[disabled]{background:var(--paper);color:var(--muted);}
.form-check{display:flex;align-items:center;gap:8px;}
.form-check input{width:17px;height:17px;accent-color:var(--c-primary);}
.form-check label{font-size:14px;color:var(--ink-2);}
.form-actions{display:flex;gap:12px;flex-wrap:wrap;}
.btn-block{width:100%;justify-content:center;}
.btn-green{background:var(--c-primary);color:#fff;}
.btn-green:hover{background:#35865c;transform:translateY(-1px);box-shadow:0 8px 18px rgba(62,155,108,.25);}

/* ===== 会员系统：导航用户区 ===== */
.nav-user{display:flex;align-items:center;gap:8px;margin-left:auto;}
.nav-user .user-chip{display:flex;align-items:center;gap:7px;background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:4px 12px 4px 4px;font-size:13.5px;font-weight:600;color:var(--ink);transition:border-color .2s;}
.nav-user .user-chip:hover{border-color:#b8b2a2;}
.user-avatar{
  display:flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;
  background:var(--ink);color:#fff;font-size:13px;font-weight:700;
}
.nav-user .user-link{font-size:13.5px;font-weight:600;color:var(--ink-2);padding:7px 4px;white-space:nowrap;}
.nav-user .user-link:hover{color:var(--ink);}
.nav-user .user-link--reg{color:var(--c-primary);}

/* ===== 会员系统：等级与权限徽标 ===== */
.badge-lv{display:inline-block;font-style:normal;font-size:11px;font-weight:700;color:#fff;border-radius:5px;padding:1px 7px;vertical-align:1px;line-height:1.6;}
.badge-lv--vip{background:var(--c-ai);}
.badge-lv--member{background:var(--c-primary);}
.lock-badge{display:inline-block;font-style:normal;font-size:11px;font-weight:700;color:#fff;border-radius:5px;padding:1px 7px;margin-right:8px;vertical-align:2px;line-height:1.6;}
.lock-badge--vip{background:var(--c-ai);}
.lock-badge--member{background:var(--c-middle);}

/* ===== 会员系统：登录/注册页 ===== */
.auth-sec{padding:56px 0 80px;}
.auth-card{max-width:430px;margin:0 auto;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:34px 32px;box-shadow:var(--shadow);}
.auth-head{text-align:center;margin-bottom:24px;}
.auth-head h1{font-size:24px;font-weight:900;font-family:'Noto Serif SC',serif;}
.auth-head p{margin-top:8px;font-size:13.5px;color:var(--muted);}
.auth-form{display:flex;flex-direction:column;gap:16px;}
.auth-form .btn{margin-top:6px;}
.auth-switch{text-align:center;font-size:14px;color:var(--muted);margin-top:20px;}
.auth-switch a{color:var(--c-primary);font-weight:600;}
.auth-divider{display:flex;align-items:center;gap:14px;margin:22px 0 16px;color:var(--muted);font-size:12.5px;}
.auth-divider::before,.auth-divider::after{content:"";flex:1;height:1px;background:var(--line);}
.btn-wechat{background:#07C160;color:#fff;justify-content:center;}
.btn-wechat svg{width:18px;height:18px;}
.btn-wechat:hover{background:#06ad56;transform:translateY(-1px);}
.auth-tip{font-size:12.5px;color:var(--muted);text-align:center;}

/* ===== 会员系统：个人中心 ===== */
.profile-grid{display:grid;grid-template-columns:300px 1fr;gap:24px;align-items:start;}
.profile-side{position:sticky;top:88px;}
.profile-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px;text-align:center;box-shadow:var(--shadow);}
.p-avatar{
  display:flex;align-items:center;justify-content:center;width:64px;height:64px;margin:0 auto;border-radius:50%;
  background:var(--ink);color:#fff;font-size:26px;font-weight:700;
}
.p-name{margin-top:14px;font-size:18px;font-weight:700;}
.p-level{margin-top:8px;display:flex;align-items:center;justify-content:center;gap:8px;font-size:13.5px;color:var(--muted);}
.p-meta{list-style:none;margin:20px 0 0;padding:16px 0 0;border-top:1px dashed var(--line);text-align:left;}
.p-meta li{display:flex;justify-content:space-between;gap:12px;font-size:13.5px;padding:6px 0;}
.p-meta li span{color:var(--muted);}
.p-meta li b{font-weight:600;color:var(--ink-2);text-align:right;word-break:break-all;}
.profile-main{display:flex;flex-direction:column;gap:20px;}
.profile-panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:0 4px 14px rgba(35,43,46,.05);}
.profile-panel h2{font-size:16px;font-weight:700;margin-bottom:18px;}

/* ===== 会员系统：会员中心 ===== */
.vip-sec{padding:56px 0 80px;}
.vip-status{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  background:var(--surface);border:1px solid var(--line);border-left:5px solid var(--cc,#3E9B6C);
  border-radius:14px;padding:20px 24px;box-shadow:var(--shadow);margin-bottom:26px;
}
.vip-status-name{font-size:16px;font-weight:700;}
.vip-status-level{margin-top:6px;display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--muted);}
.vip-status-expire{font-size:12.5px;}
.vip-status-badge{font-size:14px;font-weight:700;color:var(--c-ai);}
.vip-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.vip-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px;position:relative;box-shadow:0 4px 14px rgba(35,43,46,.05);display:flex;flex-direction:column;}
.vip-card h3{font-size:18px;font-weight:700;}
.vip-card .vip-price{font-size:13px;color:var(--muted);margin-top:4px;}
.vip-card ul{list-style:none;margin:18px 0 22px;padding:0;flex:1;}
.vip-card li{padding:7px 0 7px 22px;position:relative;font-size:14px;color:var(--ink-2);}
.vip-card li::before{content:"";position:absolute;left:0;top:14px;width:8px;height:8px;border-radius:50%;background:var(--c-primary);}
.vip-card--member{border-color:#bfe3d0;}
.vip-card--vip{border-color:#f0c9a8;box-shadow:0 14px 34px rgba(224,122,63,.18);}
.vip-card--vip h3{color:var(--c-ai);}
.vip-card-ok{display:block;text-align:center;font-size:14px;font-weight:700;color:var(--c-primary);padding:10px 0;border:1px solid #bfe3d0;border-radius:999px;}

/* ===== 会员系统：响应式 ===== */
@media (max-width:1100px){
  .nav-links,.nav-search,.nav-cta,.nav-user{display:none;}
  .nav-toggle{display:flex;}
}
@media (max-width:999px){
  .vip-grid{grid-template-columns:1fr;}
  .profile-grid{grid-template-columns:1fr;}
  .profile-side{position:static;}
}