/* ============================================================
   万川职业技能培训学校 · 学员报名管理系统
   浅色主题 · 响应式布局
   ============================================================ */
:root{
  --primary:#2f6bff;
  --primary-dark:#1f4fd6;
  --primary-light:#eaf0ff;
  --orange:#ff8a3d;
  --green:#22c55e;
  --red:#ef4444;
  --purple:#8b5cf6;
  --cyan:#06b6d4;
  --bg:#f5f7fb;
  --card:#ffffff;
  --text:#1f2937;
  --muted:#6b7280;
  --faint:#9aa3b2;
  --border:#e5e9f2;
  --shadow:0 1px 3px rgba(16,24,40,.06),0 6px 24px rgba(16,24,40,.05);
  --shadow-lg:0 12px 40px rgba(16,24,40,.14);
  --radius:14px;
  --radius-sm:9px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:15px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--primary);text-decoration:none}
img{max-width:100%}
.hidden{display:none!important}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
svg{display:inline-block;vertical-align:middle}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  border:none;cursor:pointer;border-radius:var(--radius-sm);
  font-size:14px;font-weight:600;padding:9px 18px;line-height:1.4;
  transition:all .18s ease;white-space:nowrap;
}
.btn:active{transform:scale(.97)}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark)}
.btn-ghost{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.55)}
.btn-ghost:hover{background:rgba(255,255,255,.26)}
.btn-outline{background:#fff;color:var(--primary);border:1.5px solid var(--primary)}
.btn-outline:hover{background:var(--primary-light)}
.btn-danger{background:var(--red);color:#fff}
.btn-danger:hover{background:#dc2626}
.btn-gray{background:#eef1f6;color:var(--muted)}
.btn-gray:hover{background:#e2e7ef;color:var(--text)}
.btn-sm{padding:6px 12px;font-size:13px}
.btn-lg{padding:12px 26px;font-size:16px;border-radius:12px}
.btn-block{width:100%}

/* ============ 徽章 ============ */
.badge{
  display:inline-block;padding:2px 10px;border-radius:20px;
  font-size:12px;font-weight:600;line-height:1.7;white-space:nowrap;
}
.badge-blue{background:#eaf0ff;color:var(--primary)}
.badge-orange{background:#fff3e8;color:#e2751f}
.badge-green{background:#e7f9ee;color:#16a34a}
.badge-gray{background:#eef1f6;color:var(--muted)}
.badge-red{background:#fdeaea;color:#dc2626}
.badge-purple{background:#f1ebfe;color:#7c3aed}

/* ============ 顶栏 ============ */
.site-header{
  position:sticky;top:0;z-index:100;
  background:#fff;box-shadow:0 1px 0 var(--border),0 4px 16px rgba(16,24,40,.05);
}
.topbar{background:linear-gradient(90deg,#1e3a8a,#2f6bff);color:#dbe6ff;font-size:13px}
.topbar-inner{display:flex;justify-content:space-between;align-items:center;height:34px;flex-wrap:wrap}
.topbar-item{display:inline-flex;align-items:center;gap:6px}
.topbar-item svg{width:14px;height:14px}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:66px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);min-width:0}
.brand-icon{
  width:40px;height:40px;flex:none;border-radius:10px;
  background:linear-gradient(135deg,var(--primary),#4f8bff);
  color:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 12px rgba(47,107,255,.35);
}
.brand-icon svg{width:22px;height:22px}
.brand-text{display:flex;flex-direction:column;line-height:1.25;min-width:0}
.brand-text b{font-size:17px;letter-spacing:.3px;white-space:nowrap}
.brand-text small{color:var(--muted);font-size:12px}
.main-nav{display:flex;align-items:center;gap:4px}
.main-nav a{
  color:#374151;font-size:15px;font-weight:500;
  padding:8px 13px;border-radius:8px;transition:all .15s;
}
.main-nav a:hover{background:var(--primary-light);color:var(--primary)}
.main-nav .nav-admin{color:var(--faint);font-size:13px}
.main-nav .nav-cta{padding:8px 18px}
.main-nav .active{color:var(--primary);background:var(--primary-light)}
.menu-btn{
  display:none;background:none;border:none;cursor:pointer;
  width:42px;height:42px;border-radius:8px;flex-direction:column;
  align-items:center;justify-content:center;gap:5px;
}
.menu-btn span{display:block;width:20px;height:2px;background:#374151;border-radius:2px;transition:.25s}

/* ============ Hero ============ */
.hero{
  background:
    radial-gradient(1000px 420px at 88% -10%,rgba(79,139,255,.55),transparent 60%),
    radial-gradient(700px 380px at -8% 110%,rgba(255,138,61,.22),transparent 55%),
    linear-gradient(135deg,#16327c,#2f6bff 55%,#3f7dff);
  color:#fff;padding:64px 0 72px;
}
.hero-inner{display:grid;grid-template-columns:1.5fr 1fr;gap:48px;align-items:center}
.hero-tag{
  display:inline-block;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.3);
  padding:4px 14px;border-radius:20px;font-size:13px;margin-bottom:18px;
}
.hero-text h1{font-size:42px;line-height:1.25;font-weight:800;letter-spacing:1px}
.hero-text p{margin:18px 0 26px;color:#dbe6ff;max-width:540px;font-size:15.5px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:40px;
  max-width:560px;
}
.hero-stats div{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);border-radius:12px;padding:14px 10px;text-align:center}
.hero-stats b{display:block;font-size:24px;font-weight:800}
.hero-stats span{font-size:12.5px;color:#dbe6ff}
.hero-card{padding:26px}
.hero-card-title{font-size:17px;font-weight:700;color:var(--text);margin-bottom:14px}
.hero-card-row{display:flex;justify-content:space-between;padding:11px 0;border-bottom:1px dashed var(--border)}
.hero-card-row:last-of-type{border-bottom:none}
.hero-card-row span{color:var(--muted);font-size:14px}
.hero-card-row b{font-size:14.5px}
.hero-card-row .hl{color:var(--primary);font-size:17px;letter-spacing:.5px}
.hero-card .btn{margin-top:12px}

/* ============ 区块 ============ */
.section{padding:56px 0}
.section-alt{background:#fff}
.section-head{text-align:center;margin-bottom:36px}
.section-head h2{font-size:28px;font-weight:800;letter-spacing:.5px}
.section-head p{color:var(--muted);margin-top:8px}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}

/* ============ 课程 ============ */
.course-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.course-card{position:relative;padding:22px;overflow:hidden;transition:all .2s}
.course-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#c9d7ff}
.course-icon{width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.course-icon svg{width:24px;height:24px}
.course-card h3{font-size:16.5px;margin-bottom:4px}
.course-card .course-desc{color:var(--muted);font-size:13px;min-height:40px;margin-bottom:12px}
.course-price{display:flex;align-items:baseline;gap:6px}
.course-price b{color:var(--primary);font-size:22px;font-weight:800}
.course-price span{color:var(--faint);font-size:12.5px}
.course-tag{
  position:absolute;top:14px;right:-30px;transform:rotate(38deg);
  background:linear-gradient(90deg,#7c3aed,#a855f7);color:#fff;
  font-size:11px;font-weight:700;letter-spacing:1px;
  padding:4px 32px;box-shadow:0 2px 6px rgba(124,58,237,.35);
}

/* ============ 全域出海跨境学院 ============ */
.cb-hero{
  background:linear-gradient(135deg,#1e1b4b 0%,#4c1d95 55%,#6d28d9 100%);
  color:#fff;padding:76px 0;position:relative;overflow:hidden;
}
.cb-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(600px 260px at 85% 20%,rgba(255,255,255,.16),transparent 60%),
    radial-gradient(420px 220px at 12% 85%,rgba(168,85,247,.35),transparent 65%);
}
.cb-hero-inner{position:relative;display:grid;grid-template-columns:1.5fr 1fr;gap:48px;align-items:center}
.cb-tag{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);color:#e9d5ff;font-size:12.5px;font-weight:600;padding:6px 14px;border-radius:999px;margin-bottom:18px}
.cb-tag svg{width:14px;height:14px}
.cb-hero h1{font-size:40px;line-height:1.22;font-weight:800;letter-spacing:1px}
.cb-hero h1 em{font-style:normal;background:linear-gradient(90deg,#fbbf24,#f97316);-webkit-background-clip:text;background-clip:text;color:transparent}
.cb-hero p{margin:18px 0 26px;color:#ddd6fe;max-width:560px;font-size:15.5px;line-height:1.8}
.cb-hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:30px}
.cb-hero-stats div{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);border-radius:12px;padding:14px 10px;text-align:center}
.cb-hero-stats b{display:block;font-size:23px;font-weight:800}
.cb-hero-stats span{font-size:12px;color:#ddd6fe}
.cb-hero-card{padding:26px;background:rgba(255,255,255,.97)}
.cb-hero-card .hero-card-title{color:#1e1b4b}
.cb-hero-card .btn{width:100%}
.cb-features{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.cb-feature{text-align:center;padding:26px 18px}
.cb-feature .feature-icon{margin:0 auto 14px}
.cb-feature h3{font-size:15.5px;margin-bottom:8px}
.cb-feature p{color:var(--muted);font-size:13px;line-height:1.7}
.cb-cta{background:linear-gradient(135deg,#4c1d95,#7c3aed);color:#fff;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:30px 34px;border:none;border-radius:18px;flex-wrap:wrap}
.cb-cta h2{font-size:21px;font-weight:800}
.cb-cta p{color:#ddd6fe;font-size:13.5px;margin-top:6px}
.cb-cta .btn-primary{background:#fbbf24;color:#451a03}
.cb-cta .btn-primary:hover{background:#f59e0b;color:#451a03}
@media(max-width:960px){
  .cb-hero-inner{grid-template-columns:1fr}
  .cb-features{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:640px){
  .cb-hero h1{font-size:30px}
  .cb-hero-stats{grid-template-columns:repeat(3,1fr)}
  .cb-features{grid-template-columns:1fr}
}

/* ============ 报名区 ============ */
.reg-wrap{display:grid;grid-template-columns:1.6fr 1fr;gap:24px;align-items:start}
.reg-form-card{padding:32px}
.reg-form-head h2{font-size:22px;font-weight:800}
.reg-form-head p{color:var(--muted);font-size:13.5px;margin-top:4px;margin-bottom:22px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}
.form-group{margin-bottom:18px}
.form-label{display:block;font-size:13.5px;font-weight:600;color:#374151;margin-bottom:7px}
.form-label i{color:var(--red);font-style:normal}
.form-input{
  width:100%;padding:10px 13px;font-size:14.5px;color:var(--text);
  border:1.5px solid var(--border);border-radius:9px;background:#fbfcfe;
  transition:border-color .15s,box-shadow .15s;font-family:inherit;
}
.form-input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(47,107,255,.14);background:#fff}
textarea.form-input{resize:vertical}
.form-tip{font-size:12.5px;color:var(--faint);margin-top:6px}
.radio-group{display:flex;gap:10px;padding-top:4px}
.radio{display:inline-flex;align-items:center;gap:6px;cursor:pointer;font-size:14.5px;padding:7px 14px;border:1.5px solid var(--border);border-radius:9px;background:#fbfcfe;transition:all .15s}
.radio input{display:none}
.radio:has(input:checked){border-color:var(--primary);background:var(--primary-light);color:var(--primary);font-weight:600}
.radio span::before{content:"○";margin-right:2px;font-size:13px}
.radio:has(input:checked) span::before{content:"●"}
.fee-box{
  display:flex;align-items:center;justify-content:space-between;
  background:linear-gradient(90deg,var(--primary-light),#f4f8ff);
  border:1px dashed #b9ccff;border-radius:10px;padding:12px 16px;margin-bottom:16px;
}
.fee-box span{font-size:14px;color:#374151;font-weight:600}
.fee-box b{color:var(--primary);font-size:22px;font-weight:800}
.reg-aside{display:flex;flex-direction:column;gap:18px}
.aside-card{padding:22px}
.aside-card.promo{border-color:#ffd9b8;background:linear-gradient(180deg,#fffaf5,#fff)}
.aside-card-title{font-size:16px;font-weight:700;margin-bottom:12px}
.aside-card.promo .aside-card-title{color:#e2751f}
.aside-list{list-style:none}
.aside-list li{
  position:relative;padding:6px 0 6px 18px;color:#4b5563;font-size:14px;
}
.aside-list li::before{content:"";position:absolute;left:0;top:13px;width:7px;height:7px;border-radius:50%;background:var(--primary)}
.aside-card.promo p{color:#6b7280;font-size:14px;margin-bottom:14px}
.aside-card.promo p b{color:#e2751f}
.contact-list li::before{background:var(--orange)}

/* ============ 特色 ============ */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.feature-card{padding:28px;text-align:center;transition:all .2s}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.feature-icon{width:58px;height:58px;border-radius:16px;margin:0 auto 16px;display:flex;align-items:center;justify-content:center;color:#fff}
.feature-icon svg{width:28px;height:28px}
.feature-icon.blue{background:linear-gradient(135deg,#2f6bff,#6aa1ff)}
.feature-icon.orange{background:linear-gradient(135deg,#ff8a3d,#ffb066)}
.feature-icon.green{background:linear-gradient(135deg,#22c55e,#5ee08f)}
.feature-card h3{font-size:17px;margin-bottom:8px}
.feature-card p{color:var(--muted);font-size:14px}

/* ============ 登录页 ============ */
.auth-view{
  min-height:calc(100vh - 160px);display:flex;align-items:center;justify-content:center;
  background:
    radial-gradient(600px 300px at 15% 0%,rgba(47,107,255,.12),transparent 60%),
    radial-gradient(500px 300px at 90% 100%,rgba(255,138,61,.12),transparent 55%),
    var(--bg);
  padding:48px 20px;
}
.auth-card{width:100%;max-width:420px;padding:36px}
.auth-head{text-align:center;margin-bottom:26px}
.auth-logo{
  width:54px;height:54px;border-radius:14px;margin:0 auto 14px;
  background:linear-gradient(135deg,var(--primary),#4f8bff);color:#fff;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 20px rgba(47,107,255,.3);
}
.auth-logo.dark{background:linear-gradient(135deg,#111827,#374151)}
.auth-logo svg{width:28px;height:28px}
.auth-head h2{font-size:22px;font-weight:800}
.auth-head p{color:var(--muted);font-size:13.5px;margin-top:6px}
.auth-foot{text-align:center;margin-top:18px;font-size:13.5px;color:var(--muted)}
.auth-foot .dot{margin:0 8px;color:var(--border)}
.admin-login-view{min-height:calc(100vh - 66px)}

/* ============ 一拖二 ============ */
.tg-hero{
  background:linear-gradient(135deg,#f97316,#ff8a3d 60%,#ffb066);
  color:#fff;padding:56px 0;text-align:center;
}
.tg-hero h1{font-size:38px;font-weight:800;letter-spacing:1px}
.tg-hero p{margin-top:10px;color:#ffe9d8;font-size:16px}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.step{padding:28px;position:relative;text-align:center}
.step-num{
  width:44px;height:44px;border-radius:50%;margin:0 auto 14px;
  background:linear-gradient(135deg,#ff8a3d,#ffb066);color:#fff;
  font-size:20px;font-weight:800;display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(255,138,61,.35);
}
.step h3{font-size:16.5px;margin-bottom:8px}
.step p{color:var(--muted);font-size:13.5px}
.invite-query{padding:28px}
.invite-query-row{display:flex;gap:12px;max-width:520px;margin:0 auto}
.invite-query-row .form-input{flex:1}
.invite-result{margin-top:24px}
.cta-band{display:flex;align-items:center;justify-content:space-between;padding:32px 40px;gap:20px;flex-wrap:wrap;background:linear-gradient(90deg,var(--primary-light),#fff)}
.cta-band h2{font-size:22px;font-weight:800}
.cta-band p{color:var(--muted);font-size:14px;margin-top:4px}

/* ============ 学员中心 ============ */
.center-wrap{padding:40px 0 64px}
.center-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px;flex-wrap:wrap;gap:12px}
.center-head h1{font-size:26px;font-weight:800}
.center-head p{color:var(--muted);font-size:14px}
.center-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:20px;align-items:start}
.profile-card{padding:26px;display:flex;gap:18px;align-items:center;margin-bottom:20px}
.avatar{
  width:66px;height:66px;border-radius:50%;flex:none;
  background:linear-gradient(135deg,var(--primary),#6aa1ff);color:#fff;
  font-size:26px;font-weight:800;display:flex;align-items:center;justify-content:center;
}
.profile-info h3{font-size:20px;font-weight:800}
.profile-info .sub{color:var(--muted);font-size:13px;margin-top:2px}
.profile-info .id-chip{display:inline-block;margin-top:8px;background:var(--primary-light);color:var(--primary);font-size:12.5px;font-weight:600;padding:3px 10px;border-radius:6px}
.info-list{list-style:none}
.info-list li{display:flex;justify-content:space-between;padding:11px 0;border-bottom:1px solid var(--border);font-size:14.5px}
.info-list li:last-child{border-bottom:none}
.info-list span{color:var(--muted)}
.info-list b{font-weight:600;text-align:right}
.invite-card{padding:26px;margin-bottom:20px}
.invite-code-row{display:flex;gap:10px;align-items:center;background:#fbfcfe;border:1.5px dashed var(--primary);border-radius:10px;padding:12px 16px}
.invite-code{font-size:19px;font-weight:800;color:var(--primary);letter-spacing:1px;flex:1}
.invite-progress{margin-top:18px}
.invite-progress .bar{height:10px;background:#eef1f6;border-radius:10px;overflow:hidden;margin-top:8px}
.invite-progress .bar i{display:block;height:100%;background:linear-gradient(90deg,#ff8a3d,#ffb066);border-radius:10px;transition:width .4s}
.invite-reward{margin-top:14px;background:#fff8f2;border:1px solid #ffe0c2;border-radius:10px;padding:10px 14px;font-size:13.5px;color:#b45309}
.invited-list{margin-top:16px}
.invited-list h4{font-size:14px;color:var(--muted);margin-bottom:8px}
.empty-tip{text-align:center;color:var(--faint);font-size:14px;padding:30px 0}

/* ============ 管理后台 ============ */
.admin-view{background:var(--bg)}
.admin-layout{display:grid;grid-template-columns:230px 1fr;min-height:calc(100vh - 66px)}
.admin-side{
  background:#0f1a2e;color:#cbd5e1;display:flex;flex-direction:column;
  position:sticky;top:66px;height:calc(100vh - 66px);
}
.admin-brand{display:flex;align-items:center;gap:10px;padding:20px;border-bottom:1px solid rgba(255,255,255,.08)}
.admin-brand .brand-icon{width:38px;height:38px;border-radius:9px}
.admin-brand .brand-icon svg{width:21px;height:21px}
.admin-brand-text{display:flex;flex-direction:column;line-height:1.25}
.admin-brand-text b{color:#fff;font-size:15.5px}
.admin-brand-text small{font-size:11.5px;color:#8aa0bd}
.admin-nav{flex:1;padding:14px 12px;display:flex;flex-direction:column;gap:4px}
.admin-nav a{
  display:flex;align-items:center;gap:10px;padding:11px 14px;border-radius:9px;
  color:#b8c7dd;font-size:14.5px;font-weight:500;transition:all .15s;
}
.admin-nav a svg{width:18px;height:18px;flex:none}
.admin-nav a:hover{background:rgba(255,255,255,.08);color:#fff}
.admin-nav a.active{background:var(--primary);color:#fff;box-shadow:0 6px 14px rgba(47,107,255,.4)}
.admin-side-foot{padding:14px 12px;border-top:1px solid rgba(255,255,255,.08);display:flex;flex-direction:column;gap:2px}
.admin-side-foot a{padding:9px 14px;border-radius:9px;color:#8aa0bd;font-size:13.5px}
.admin-side-foot a:hover{background:rgba(255,255,255,.08);color:#fff}
.admin-main{min-width:0}
.admin-top{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 26px;background:#fff;border-bottom:1px solid var(--border);
  position:sticky;top:66px;z-index:10;flex-wrap:wrap;gap:10px;
}
.admin-top-title h2{font-size:19px;font-weight:800}
.admin-top-title span{font-size:12.5px;color:var(--faint);margin-left:8px}
.admin-top-actions{display:flex;gap:10px}
.admin-content{padding:24px 26px 48px}

/* 统计卡 */
.stat-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;margin-bottom:22px}
.stat-card{padding:20px;display:flex;align-items:center;gap:14px}
.stat-icon{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;flex:none;color:#fff}
.stat-icon svg{width:24px;height:24px}
.stat-icon.blue{background:linear-gradient(135deg,#2f6bff,#6aa1ff)}
.stat-icon.green{background:linear-gradient(135deg,#22c55e,#5ee08f)}
.stat-icon.orange{background:linear-gradient(135deg,#ff8a3d,#ffb066)}
.stat-icon.purple{background:linear-gradient(135deg,#8b5cf6,#b794ff)}
.stat-icon.cyan{background:linear-gradient(135deg,#06b6d4,#67e8f9)}
.stat-info b{display:block;font-size:26px;font-weight:800;line-height:1.2}
.stat-info span{font-size:13px;color:var(--muted)}

/* 看板图表 */
.dash-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.dash-card{padding:22px}
.dash-card.wide{grid-column:1/-1}
.dash-card h3{font-size:16px;font-weight:700;margin-bottom:16px;display:flex;align-items:center;justify-content:space-between}
.dash-card h3 small{font-weight:400;color:var(--faint);font-size:12.5px}
.chart-legend{display:flex;flex-direction:column;gap:9px;margin-top:14px}
.legend-row{display:flex;align-items:center;gap:9px;font-size:13.5px}
.legend-row .swatch{width:11px;height:11px;border-radius:3px;flex:none}
.legend-row b{margin-left:auto;color:var(--text)}
.legend-row span{color:var(--muted)}
.bars{display:flex;flex-direction:column;gap:12px}
.bar-row{display:grid;grid-template-columns:76px 1fr 44px;align-items:center;gap:10px;font-size:13px}
.bar-row .bar{height:12px;background:#eef1f6;border-radius:8px;overflow:hidden}
.bar-row .bar i{display:block;height:100%;border-radius:8px;transition:width .5s}
.bar-row b{text-align:right;font-size:13px}
.latest-table{width:100%;border-collapse:collapse}
.latest-table th,.latest-table td{padding:10px 12px;text-align:left;font-size:13.5px}
.latest-table th{color:var(--faint);font-weight:600;border-bottom:1px solid var(--border);font-size:12.5px}
.latest-table td{border-bottom:1px solid #f1f4f9}
.latest-table tr:last-child td{border-bottom:none}

/* 列表管理 */
.list-toolbar{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:16px;align-items:center}
.list-toolbar .search-box{position:relative;flex:1;min-width:220px}
.list-toolbar .search-box svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);width:16px;height:16px;color:var(--faint)}
.list-toolbar .search-box input{padding-left:36px}
.list-toolbar .filters{display:flex;gap:10px;flex-wrap:wrap}
.list-toolbar .filters select{width:auto;min-width:120px}
.batch-bar{display:none;align-items:center;gap:12px;background:var(--primary-light);border:1px solid #c9d7ff;border-radius:9px;padding:8px 14px;margin-bottom:14px;font-size:13.5px;color:var(--primary);font-weight:600}
.batch-bar.show{display:flex}
.table-wrap{background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.table-scroll{overflow-x:auto}
.data-table{width:100%;border-collapse:collapse;min-width:880px}
.data-table th,.data-table td{padding:12px 14px;text-align:left;font-size:13.5px;white-space:nowrap}
.data-table th{background:#f8fafc;color:var(--faint);font-weight:600;font-size:12.5px;border-bottom:1px solid var(--border)}
.data-table tbody tr{transition:background .12s}
.data-table tbody tr:hover{background:#f7faff}
.data-table td{border-bottom:1px solid #f1f4f9}
.data-table tbody tr:last-child td{border-bottom:none}
.data-table .row-check{width:16px;height:16px;accent-color:var(--primary);cursor:pointer}
.row-actions{display:flex;gap:6px}
.link-btn{background:none;border:none;cursor:pointer;font-size:13px;font-weight:600;padding:3px 6px;border-radius:6px;transition:all .12s}
.link-btn.edit{color:var(--primary)}.link-btn.edit:hover{background:var(--primary-light)}
.link-btn.view{color:var(--cyan)}.link-btn.view:hover{background:#e6fbff}
.link-btn.del{color:var(--red)}.link-btn.del:hover{background:#fdeaea}
.table-foot{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;flex-wrap:wrap;gap:10px}
.table-info{font-size:13px;color:var(--muted)}
.pagination{display:flex;gap:6px}
.page-btn{
  min-width:32px;height:32px;padding:0 8px;border:1px solid var(--border);background:#fff;
  border-radius:8px;cursor:pointer;font-size:13px;color:var(--text);transition:all .12s;
}
.page-btn:hover{border-color:var(--primary);color:var(--primary)}
.page-btn.active{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:700}
.page-btn:disabled{opacity:.4;cursor:not-allowed}

/* 表单编辑 */
.edit-card{max-width:760px;margin:0 auto;padding:32px}
.edit-card h3{font-size:18px;font-weight:800;margin-bottom:22px}
.edit-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}
.form-group-full{grid-column:1/-1}
.edit-actions{display:flex;gap:12px;margin-top:8px}
.icon-picker{display:flex;flex-wrap:wrap;gap:8px}
.icon-opt{
  width:42px;height:42px;display:flex;align-items:center;justify-content:center;
  border:1.5px solid var(--border);border-radius:10px;background:#fbfcfe;cursor:pointer;transition:all .15s;
}
.icon-opt svg{width:22px;height:22px}
.icon-opt:hover{border-color:var(--primary)}
.icon-opt.active{border-color:var(--primary);background:var(--primary-light);box-shadow:0 0 0 2px rgba(47,107,255,.18)}
.color-picker{display:flex;flex-wrap:wrap;gap:10px}
.color-opt{width:28px;height:28px;border-radius:50%;border:2.5px solid transparent;cursor:pointer;transition:all .15s;box-shadow:0 0 0 1.5px rgba(0,0,0,.08)}
.color-opt:hover{transform:scale(1.12)}
.color-opt.active{border-color:#fff;box-shadow:0 0 0 2.5px var(--text)}

/* 活动页 & 账号页 */
.detail-modal-list{list-style:none;margin-top:6px}
.detail-modal-list li{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid #f1f4f9;font-size:14px}
.detail-modal-list li:last-child{border-bottom:none}
.detail-modal-list span{color:var(--muted)}
.detail-modal-list b{font-weight:600;text-align:right}
.pwd-note{font-size:12.5px;color:var(--faint);margin-top:6px}

/* ============ 页脚 ============ */
.site-footer{background:#0f1a2e;color:#9fb0c8;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:36px;padding:48px 0 32px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:16px;margin-bottom:14px}
.footer-brand .brand-icon{width:38px;height:38px}
.footer-col p{font-size:13.5px;line-height:1.8;max-width:340px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:14px}
.footer-col ul{list-style:none}
.footer-col li{font-size:13.5px;padding:5px 0}
.footer-col li a{color:#9fb0c8}
.footer-col li a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:18px 0;text-align:center;font-size:13px;color:#7c8ba5}

/* ============ 弹窗 ============ */
.modal-mask{
  position:fixed;inset:0;background:rgba(15,26,46,.55);backdrop-filter:blur(3px);
  z-index:200;display:flex;align-items:center;justify-content:center;padding:20px;
  animation:fadeIn .18s ease;
}
.modal{
  background:#fff;border-radius:16px;max-width:480px;width:100%;
  max-height:88vh;overflow-y:auto;padding:28px;box-shadow:var(--shadow-lg);
  animation:popIn .22s ease;
}
.modal-icon{width:56px;height:56px;border-radius:50%;margin:0 auto 16px;display:flex;align-items:center;justify-content:center}
.modal-icon.success{background:#e7f9ee;color:#16a34a}
.modal-icon.warn{background:#fff3e8;color:#e2751f}
.modal-icon svg{width:28px;height:28px}
.modal h3{text-align:center;font-size:19px;font-weight:800;margin-bottom:8px}
.modal .modal-msg{text-align:center;color:var(--muted);font-size:14px;line-height:1.7}
.modal .modal-actions{display:flex;gap:10px;margin-top:22px}
.modal .modal-actions .btn{flex:1}
.modal .modal-close{
  position:absolute;top:14px;right:14px;background:none;border:none;font-size:20px;color:var(--faint);
  cursor:pointer;line-height:1;padding:6px;
}
.modal{position:relative}

/* ============ Toast ============ */
#toastWrap{position:fixed;top:80px;left:50%;transform:translateX(-50%);z-index:300;display:flex;flex-direction:column;gap:10px;align-items:center;pointer-events:none}
.toast{
  display:flex;align-items:center;gap:8px;background:#111827;color:#fff;
  padding:11px 20px;border-radius:10px;font-size:14px;box-shadow:var(--shadow-lg);
  animation:toastIn .25s ease;max-width:90vw;
}
.toast.success{background:#0f8a3d}
.toast.error{background:#d92632}
.toast.info{background:#111827}
.toast svg{width:16px;height:16px;flex:none}

/* ============ 动画 ============ */
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes popIn{from{opacity:0;transform:scale(.94) translateY(10px)}to{opacity:1;transform:none}}
@keyframes toastIn{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:none}}

/* ============ 响应式 ============ */
@media (max-width:1080px){
  .course-grid{grid-template-columns:repeat(3,1fr)}
  .stat-grid{grid-template-columns:repeat(3,1fr)}
  .hero-stats{grid-template-columns:repeat(4,1fr)}
}
@media (max-width:900px){
  .menu-btn{display:flex}
  .main-nav{
    display:none;position:absolute;top:100px;left:12px;right:12px;z-index:99;
    background:#fff;border:1px solid var(--border);border-radius:14px;
    box-shadow:var(--shadow-lg);flex-direction:column;padding:10px;gap:2px;
  }
  .main-nav.open{display:flex}
  .main-nav a{padding:12px 14px;font-size:15px}
  .nav-cta{margin-top:6px}
  .hero-inner{grid-template-columns:1fr;gap:32px}
  .hero-text h1{font-size:32px}
  .hero-stats{max-width:100%}
  .reg-wrap{grid-template-columns:1fr}
  .admin-layout{grid-template-columns:1fr}
  .admin-side{
    position:static;height:auto;flex-direction:row;align-items:center;
    padding:10px 14px;gap:12px;overflow-x:auto;
  }
  .admin-brand{padding:0;border-bottom:none}
  .admin-brand-text small{display:none}
  .admin-nav{flex-direction:row;padding:0;overflow-x:auto}
  .admin-nav a{white-space:nowrap;padding:9px 13px;font-size:13.5px}
  .admin-side-foot{display:none}
  .admin-top{top:0}
  .admin-layout{min-height:auto}
  .dash-grid{grid-template-columns:1fr}
  .dash-card.wide{grid-column:auto}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .steps{grid-template-columns:1fr}
  .feature-grid{grid-template-columns:1fr}
  .center-grid{grid-template-columns:1fr}
}
@media (max-width:600px){
  .form-row,.edit-grid{grid-template-columns:1fr}
  .course-grid{grid-template-columns:repeat(2,1fr)}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .hero-text h1{font-size:27px}
  .section{padding:40px 0}
  .topbar-inner{justify-content:center;height:auto;padding:5px 0;gap:2px;flex-direction:column}
  .topbar{display:none}
  .brand-text b{font-size:15px}
  .reg-form-card{padding:22px}
  .auth-card{padding:28px}
  .cta-band{padding:24px}
  .admin-top{padding:14px 16px}
  .admin-content{padding:16px 14px 40px}
  .edit-card{padding:22px}
}