:root {
  --bg: #f5f8ff;
  --card: #ffffff;
  --primary: #2a6df4;
  --primary-dark: #1b56d6;
  --primary-light: #e8f0ff;
  --text: #17233d;
  --text-2: #5b6b8c;
  --border: #e3eaf7;
  --green: #22c55e;
  --orange: #f59e0b;
  --red: #ef4444;
  --radius: 14px;
  --shadow: 0 2px 12px rgba(26, 76, 190, 0.08);
  --shadow-lg: 0 8px 30px rgba(26, 76, 190, 0.14);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif; background: var(--bg); color: var(--text); }
a { color: var(--primary); text-decoration: none; }
button { cursor: pointer; font-family: inherit; }
input, select, textarea { font-family: inherit; }

/* 布局 */
.topbar { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,0.92); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); }
.nav { max-width: 1180px; margin: 0 auto; padding: 12px 20px; display: flex; align-items: center; gap: 20px; }
.logo { font-size: 19px; font-weight: 800; color: var(--primary); display: flex; align-items: center; gap: 8px; }
.logo .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--primary); box-shadow: 0 0 0 4px var(--primary-light); }
.nav-links { display: flex; gap: 4px; flex: 1; }
.nav-links a { padding: 8px 14px; border-radius: 10px; color: var(--text-2); font-size: 14px; font-weight: 600; transition: all 0.15s; }
.nav-links a:hover { color: var(--primary); background: var(--primary-light); }
.nav-links a.active { color: var(--primary); background: var(--primary-light); }
.nav-right { display: flex; align-items: center; gap: 10px; }
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 9px 18px; border-radius: 10px; border: 1px solid var(--border); background: #fff; color: var(--text); font-size: 14px; font-weight: 600; transition: all 0.15s; }
.btn:hover { border-color: var(--primary); color: var(--primary); }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); color: #fff; }
.btn-ghost { background: transparent; border-color: transparent; color: var(--text-2); }
.btn-sm { padding: 6px 12px; font-size: 13px; border-radius: 8px; }
.btn-danger { color: var(--red); border-color: #fecaca; }
.btn-danger:hover { background: #fef2f2; border-color: var(--red); }
.main { max-width: 1180px; margin: 0 auto; padding: 28px 20px 60px; min-height: 60vh; }

/* 卡片 */
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 20px; }
.grid { display: grid; gap: 16px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

/* 模板卡 */
.tpl-card { display: flex; flex-direction: column; gap: 10px; padding: 20px; cursor: pointer; transition: all 0.2s; position: relative; overflow: hidden; }
.tpl-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); border-color: var(--primary); }
.tpl-icon { width: 52px; height: 52px; border-radius: 14px; background: var(--primary-light); display: flex; align-items: center; justify-content: center; font-size: 26px; }
.tpl-name { font-size: 16px; font-weight: 700; }
.tpl-desc { font-size: 13px; color: var(--text-2); line-height: 1.6; flex: 1; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.tpl-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag { font-size: 12px; color: var(--primary); background: var(--primary-light); padding: 3px 9px; border-radius: 20px; font-weight: 600; }
.tpl-foot { display: flex; align-items: center; justify-content: space-between; margin-top: 4px; }
.price { font-size: 18px; font-weight: 800; color: var(--primary); }
.price small { font-size: 12px; font-weight: 600; color: var(--text-2); }
.hot-badge { position: absolute; top: 12px; right: 12px; background: linear-gradient(135deg, #ff7a59, #ff4d4f); color: #fff; font-size: 11px; font-weight: 700; padding: 3px 9px; border-radius: 20px; }
.owned-badge { position: absolute; top: 12px; right: 12px; background: var(--green); color: #fff; font-size: 11px; font-weight: 700; padding: 3px 9px; border-radius: 20px; }

/* Hero */
.hero { background: linear-gradient(135deg, #eaf1ff 0%, #f6f9ff 60%, #fff 100%); border-radius: 20px; padding: 60px 40px; text-align: center; position: relative; overflow: hidden; margin-bottom: 28px; }
.hero h1 { font-size: 40px; font-weight: 900; letter-spacing: -0.5px; line-height: 1.25; }
.hero h1 .hl { color: var(--primary); }
.hero p { color: var(--text-2); font-size: 16px; margin-top: 14px; line-height: 1.8; max-width: 640px; margin-left: auto; margin-right: auto; }
.hero-actions { margin-top: 26px; display: flex; gap: 14px; justify-content: center; }
.btn-lg { padding: 14px 30px; font-size: 15px; border-radius: 12px; }
.stats-row { display: flex; justify-content: center; gap: 60px; margin-top: 40px; flex-wrap: wrap; }
.stat { text-align: center; }
.stat b { font-size: 28px; font-weight: 900; color: var(--primary); display: block; }
.stat span { font-size: 13px; color: var(--text-2); margin-top: 4px; display: block; }

/* 区块标题 */
.section-title { font-size: 22px; font-weight: 800; margin: 34px 0 16px; display: flex; align-items: center; gap: 10px; }
.section-title .bar { width: 4px; height: 20px; border-radius: 4px; background: var(--primary); }

/* 筛选 */
.filter-bar { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 20px; align-items: center; }
.filter-chip { padding: 8px 16px; border-radius: 20px; border: 1px solid var(--border); background: #fff; font-size: 13px; font-weight: 600; color: var(--text-2); }
.filter-chip.active { background: var(--primary); border-color: var(--primary); color: #fff; }
.search-box { flex: 1; min-width: 200px; position: relative; }
.search-box input { width: 100%; padding: 9px 16px 9px 38px; border: 1px solid var(--border); border-radius: 20px; font-size: 14px; outline: none; background: #fff; }
.search-box input:focus { border-color: var(--primary); }
.search-box .ic { position: absolute; left: 13px; top: 50%; transform: translateY(-50%); color: var(--text-2); }

/* 表单 */
.form { max-width: 420px; margin: 20px auto; display: flex; flex-direction: column; gap: 14px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: 13px; font-weight: 700; color: var(--text-2); }
.field input, .field select, .field textarea { padding: 11px 14px; border: 1px solid var(--border); border-radius: 10px; font-size: 14px; outline: none; background: #fff; transition: border 0.15s; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-light); }
.field textarea { min-height: 90px; resize: vertical; }
.form-title { text-align: center; font-size: 24px; font-weight: 800; }
.form-sub { text-align: center; color: var(--text-2); font-size: 14px; margin-top: 6px; }

/* 表格 */
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; color: var(--text-2); font-weight: 700; font-size: 13px; padding: 10px 12px; border-bottom: 2px solid var(--border); }
td { padding: 12px; border-bottom: 1px solid var(--border); }
tr:hover td { background: #f8fbff; }
.status-badge { display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: 12px; font-weight: 700; }
.st-paid, .st-running { background: #dcfce7; color: #16a34a; }
.st-pending { background: #fef3c7; color: #b45309; }
.st-stopped { background: #e5e7eb; color: #4b5563; }
.st-demo { background: #dbeafe; color: #2563eb; }

/* 提示 */
.toast-wrap { position: fixed; top: 70px; right: 20px; z-index: 999; display: flex; flex-direction: column; gap: 10px; }
.toast { background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 13px 18px; box-shadow: var(--shadow-lg); font-size: 14px; font-weight: 600; animation: slideIn 0.25s ease; display: flex; align-items: center; gap: 10px; max-width: 340px; }
.toast.ok { border-left: 4px solid var(--green); }
.toast.err { border-left: 4px solid var(--red); }
.toast.info { border-left: 4px solid var(--primary); }
@keyframes slideIn { from { transform: translateX(30px); opacity: 0; } to { transform: none; opacity: 1; } }

/* 详情 */
.detail-hero { display: flex; gap: 22px; align-items: flex-start; padding: 28px; margin-bottom: 20px; }
.detail-icon { width: 76px; height: 76px; border-radius: 18px; background: var(--primary-light); display: flex; align-items: center; justify-content: center; font-size: 38px; flex-shrink: 0; }
.detail-features, .detail-scenarios { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.feature-item { display: flex; gap: 8px; align-items: center; font-size: 14px; padding: 10px 14px; background: #f8fbff; border-radius: 10px; }
.feature-item .ck { color: var(--green); font-weight: 800; }

/* 部署向导 */
.steps { display: flex; gap: 8px; margin-bottom: 26px; }
.step { flex: 1; padding: 12px; text-align: center; border-radius: 10px; background: #fff; border: 1px solid var(--border); color: var(--text-2); font-size: 13px; font-weight: 700; }
.step.active { border-color: var(--primary); color: var(--primary); background: var(--primary-light); }
.step.done { border-color: var(--green); color: var(--green); }

/* 个人中心 */
.profile-wrap { display: grid; grid-template-columns: 260px 1fr; gap: 20px; }
.profile-nav { display: flex; flex-direction: column; gap: 4px; padding: 14px; }
.profile-nav a { padding: 11px 14px; border-radius: 10px; color: var(--text-2); font-weight: 600; font-size: 14px; }
.profile-nav a:hover { background: var(--primary-light); color: var(--primary); }
.profile-nav a.active { background: var(--primary-light); color: var(--primary); }
.balance-card { background: linear-gradient(135deg, var(--primary), #4f8df9); color: #fff; border-radius: 16px; padding: 24px; margin-bottom: 16px; }
.balance-card .lbl { font-size: 13px; opacity: 0.85; }
.balance-card .val { font-size: 32px; font-weight: 900; margin-top: 6px; }
.balance-card .row { display: flex; gap: 10px; margin-top: 16px; }

/* 教程 */
.tutorial-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.tut-card { padding: 20px; }
.tut-card h4 { margin-bottom: 8px; font-size: 15px; }
.tut-card p { font-size: 13px; color: var(--text-2); line-height: 1.7; }
.tut-card ol { margin-left: 18px; font-size: 13px; color: var(--text-2); line-height: 2; }

/* 页脚 */
.footer { border-top: 1px solid var(--border); background: #fff; padding: 34px 20px 26px; margin-top: 20px; }
.footer-in { max-width: 1180px; margin: 0 auto; display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.footer h5 { font-size: 14px; margin-bottom: 12px; }
.footer p, .footer a { font-size: 13px; color: var(--text-2); line-height: 2; display: block; }
.footer .copy { text-align: center; color: var(--text-2); font-size: 12px; margin-top: 24px; }

/* 空态 */
.empty { text-align: center; padding: 60px 20px; color: var(--text-2); }
.empty .big { font-size: 44px; margin-bottom: 12px; }

/* 加载 */
.spin { width: 22px; height: 22px; border: 3px solid var(--primary-light); border-top-color: var(--primary); border-radius: 50%; animation: rot 0.8s linear infinite; display: inline-block; }
@keyframes rot { to { transform: rotate(360deg); } }
.center { display: flex; justify-content: center; padding: 60px 0; }

/* 弹窗 */
.modal-mask { position: fixed; inset: 0; background: rgba(15, 23, 42, 0.5); z-index: 200; display: flex; align-items: center; justify-content: center; padding: 20px; }
.modal { background: #fff; border-radius: 16px; width: 100%; max-width: 460px; padding: 26px; box-shadow: var(--shadow-lg); max-height: 86vh; overflow-y: auto; }
.modal h3 { font-size: 18px; margin-bottom: 16px; }
.modal .close { float: right; border: none; background: none; font-size: 20px; color: var(--text-2); }

.code-box { background: #f1f5ff; border: 1px dashed var(--primary); border-radius: 10px; padding: 14px; font-family: Consolas, monospace; font-size: 13px; word-break: break-all; user-select: all; margin: 10px 0; }
.alert { padding: 12px 16px; border-radius: 10px; font-size: 14px; line-height: 1.6; margin: 14px 0; }
.alert-info { background: var(--primary-light); color: var(--primary-dark); }
.alert-success { background: #dcfce7; color: #16a34a; }
.alert-warn { background: #fef3c7; color: #b45309; }

@media (max-width: 900px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .profile-wrap { grid-template-columns: 1fr; }
  .tutorial-grid { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; }
  .hero h1 { font-size: 30px; }
  .detail-features, .detail-scenarios { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .grid-3, .grid-4, .tutorial-grid { grid-template-columns: 1fr; }
  .footer-in { grid-template-columns: 1fr; }
  .stats-row { gap: 26px; }
}