/* ============================================================
   智慧外链系统 前台主题样式
   ============================================================ */
:root {
  --dy-primary: #1e6fff;
  --dy-primary-light: #e8f0ff;
  --dy-success: #10b981;
  --dy-warning: #f59e0b;
  --dy-danger: #ef4444;
  --dy-dark: #1f2937;
  --dy-gray: #6b7280;
  --dy-border: #e5e7eb;
  --dy-bg: #f5f7fb;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
  background: var(--dy-bg);
  color: var(--dy-dark);
  font-size: 14px;
}

a { color: var(--dy-primary); text-decoration: none; }
a:hover { color: #1557c9; }

/* ---------- 顶部导航 ---------- */
.dy-topbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: 56px; background: #fff; border-bottom: 1px solid var(--dy-border);
  display: flex; align-items: center; padding: 0 20px; gap: 18px;
}
.dy-topbar .logo { font-size: 18px; font-weight: 700; color: var(--dy-primary); white-space: nowrap; }
.dy-topbar .nav-items { display: flex; gap: 4px; flex: 1; overflow-x: auto; }
.dy-topbar .nav-items a {
  padding: 6px 12px; border-radius: 6px; color: var(--dy-gray); font-size: 14px; white-space: nowrap;
}
.dy-topbar .nav-items a:hover { background: var(--dy-primary-light); color: var(--dy-primary); }
.dy-topbar .nav-items a.active { background: var(--dy-primary); color: #fff; }
.dy-topbar .top-right { display: flex; align-items: center; gap: 12px; white-space: nowrap; }
.dy-topbar .top-right .kf { color: var(--dy-warning); }
.dy-topbar .top-right .user-info { font-size: 13px; color: var(--dy-gray); }

/* ---------- 侧边栏 ---------- */
.dy-sidebar {
  position: fixed; top: 56px; bottom: 0; left: 0; width: 210px;
  background: #fff; border-right: 1px solid var(--dy-border);
  overflow-y: auto; padding: 12px 10px 30px;
}
.dy-sidebar .group-title { font-size: 12px; color: #9ca3af; padding: 10px 8px 4px; font-weight: 600; }
.dy-sidebar .group-title i { margin-right: 4px; }
.dy-sidebar a.item {
  display: block; padding: 9px 12px; border-radius: 8px; color: var(--dy-dark);
  font-size: 14px; margin-bottom: 2px;
}
.dy-sidebar a.item i { margin-right: 8px; color: #9ca3af; width: 18px; display: inline-block; text-align: center; }
.dy-sidebar a.item:hover { background: var(--dy-primary-light); color: var(--dy-primary); }
.dy-sidebar a.item.active { background: var(--dy-primary); color: #fff; }
.dy-sidebar a.item.active i { color: #fff; }

/* ---------- 主内容区 ---------- */
.dy-main { margin: 76px 20px 30px 240px; min-height: calc(100vh - 106px); }
.dy-main.full { margin-left: 20px; }

/* ---------- 卡片 ---------- */
.dy-card {
  background: #fff; border: 1px solid var(--dy-border); border-radius: 12px;
  padding: 20px; margin-bottom: 16px;
}
.dy-card .card-title { font-size: 16px; font-weight: 600; margin-bottom: 16px; display: flex; align-items: center; justify-content: space-between; }

/* ---------- 数据统计 ---------- */
.dy-stat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px; margin-bottom: 20px; }
.dy-stat { background: #fff; border: 1px solid var(--dy-border); border-radius: 12px; padding: 18px; }
.dy-stat .num { font-size: 26px; font-weight: 700; color: var(--dy-primary); margin-top: 6px; }
.dy-stat .label { color: var(--dy-gray); font-size: 13px; }
.dy-stat.blue { border-top: 3px solid var(--dy-primary); }
.dy-stat.green { border-top: 3px solid var(--dy-success); }
.dy-stat.orange { border-top: 3px solid var(--dy-warning); }
.dy-stat.red { border-top: 3px solid var(--dy-danger); }

/* ---------- 表格 ---------- */
.dy-table { width: 100%; border-collapse: collapse; }
.dy-table th {
  background: #f9fafb; text-align: left; padding: 10px 12px; font-size: 13px; color: var(--dy-gray);
  border-bottom: 1px solid var(--dy-border); white-space: nowrap;
}
.dy-table td { padding: 12px; border-bottom: 1px solid #f3f4f6; vertical-align: middle; }
.dy-table tr:hover td { background: #fafbff; }

/* ---------- 标签/徽章 ---------- */
.dy-badge { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 12px; }
.dy-badge.blue { background: var(--dy-primary-light); color: var(--dy-primary); }
.dy-badge.green { background: #d1fae5; color: #047857; }
.dy-badge.orange { background: #fef3c7; color: #b45309; }
.dy-badge.red { background: #fee2e2; color: #b91c1c; }
.dy-badge.gray { background: #f3f4f6; color: var(--dy-gray); }

/* ---------- 按钮 ---------- */
.dy-btn {
  display: inline-block; padding: 8px 18px; border-radius: 8px; border: none;
  font-size: 14px; cursor: pointer; transition: all .15s;
}
.dy-btn.primary { background: var(--dy-primary); color: #fff; }
.dy-btn.primary:hover { background: #1557c9; }
.dy-btn.green { background: var(--dy-success); color: #fff; }
.dy-btn.green:hover { background: #0ea371; }
.dy-btn.orange { background: var(--dy-warning); color: #fff; }
.dy-btn.outline { background: #fff; border: 1px solid var(--dy-border); color: var(--dy-dark); }
.dy-btn.outline:hover { border-color: var(--dy-primary); color: var(--dy-primary); }
.dy-btn.danger { background: #fff; border: 1px solid #fca5a5; color: var(--dy-danger); }
.dy-btn.danger:hover { background: var(--dy-danger); color: #fff; }
.dy-btn.sm { padding: 4px 12px; font-size: 13px; }
.dy-btn.block { display: block; width: 100%; }

/* ---------- 表单 ---------- */
.dy-form .form-item { margin-bottom: 18px; }
.dy-form label { display: block; margin-bottom: 6px; font-weight: 500; color: var(--dy-dark); }
.dy-form .form-item .hint { color: #9ca3af; font-size: 12px; margin-top: 4px; }
.dy-input, .dy-textarea, .dy-select {
  width: 100%; padding: 9px 12px; border: 1px solid var(--dy-border); border-radius: 8px;
  font-size: 14px; outline: none; background: #fff; color: var(--dy-dark);
}
.dy-input:focus, .dy-textarea:focus, .dy-select:focus { border-color: var(--dy-primary); box-shadow: 0 0 0 3px rgba(30,111,255,.1); }
.dy-textarea { min-height: 80px; resize: vertical; }

/* ---------- 类型入口网格 ---------- */
.dy-type-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 14px; }
.dy-type-item {
  background: #fff; border: 1px solid var(--dy-border); border-radius: 12px; padding: 18px;
  text-align: center; cursor: pointer; transition: all .15s;
}
.dy-type-item:hover { border-color: var(--dy-primary); transform: translateY(-2px); box-shadow: 0 6px 16px rgba(30,111,255,.08); }
.dy-type-item .icon { font-size: 30px; color: var(--dy-primary); margin-bottom: 8px; }
.dy-type-item .name { font-weight: 600; }

/* ---------- 提示条 ---------- */
.dy-notice {
  background: #fff7ed; border: 1px solid #fdba74; color: #9a3412;
  border-radius: 10px; padding: 12px 16px; margin-bottom: 16px; font-size: 13px; line-height: 1.7;
}

/* ---------- 官网首页 ---------- */
.dy-hero {
  background: linear-gradient(135deg, #1e6fff 0%, #4f8fff 60%, #7cb5ff 100%);
  color: #fff; padding: 90px 30px 80px; text-align: center;
}
.dy-hero h1 { font-size: 42px; font-weight: 800; margin-bottom: 16px; }
.dy-hero p { font-size: 18px; opacity: .9; max-width: 720px; margin: 0 auto 28px; line-height: 1.8; }
.dy-hero .cta .dy-btn { font-size: 16px; padding: 12px 32px; margin: 0 8px; }
.dy-hero .cta .dy-btn.primary { background: #fff; color: var(--dy-primary); }
.dy-hero .cta .dy-btn.green { background: rgba(255,255,255,.2); border: 1px solid rgba(255,255,255,.5); }
.dy-features { max-width: 1100px; margin: 50px auto; padding: 0 20px; }
.dy-features h2 { text-align: center; font-size: 28px; margin-bottom: 36px; }
.dy-feature-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 18px; }
.dy-feature {
  background: #fff; border: 1px solid var(--dy-border); border-radius: 12px; padding: 22px;
}
.dy-feature .icon { width: 48px; height: 48px; border-radius: 12px; background: var(--dy-primary-light);
  color: var(--dy-primary); display: flex; align-items: center; justify-content: center; font-size: 22px; margin-bottom: 12px; }
.dy-feature h3 { font-size: 16px; margin: 0 0 8px; }
.dy-feature p { color: var(--dy-gray); font-size: 13px; line-height: 1.7; margin: 0; }

/* ---------- 移动端适配 ---------- */
@media (max-width: 900px) {
  .dy-sidebar { display: none; }
  .dy-main { margin: 76px 12px 30px; }
  .dy-hero h1 { font-size: 28px; }
  .dy-hero { padding: 70px 16px 60px; }
}

/* ---------- 动画 ---------- */
@keyframes dyFadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.dy-fade-in { animation: dyFadeIn .3s ease; }

/* 预览手机框 */
.dy-phone-preview {
  width: 260px; margin: 0 auto; border: 6px solid #1f2937; border-radius: 28px;
  background: #fff; overflow: hidden; box-shadow: 0 10px 30px rgba(0,0,0,.15);
}
.dy-phone-preview .screen { padding: 16px; min-height: 320px; }