:root {
  --tg-blue: #229ed9;
  --tg-blue-dark: #1a8dc4;
  --tg-blue-light: #e8f6fd;
  --ink: #1e2733;
  --ink-2: #5b6675;
  --ink-3: #8a94a3;
  --bg: #f4f7fa;
  --card: #ffffff;
  --line: #e6ebf1;
  --green: #22b07d;
  --green-bg: #e6f7f0;
  --red: #e5533d;
  --red-bg: #fdeeea;
  --amber: #d9930e;
  --amber-bg: #fdf3e0;
  --radius: 14px;
  --shadow: 0 6px 24px rgba(31, 46, 78, .08);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--ink);
  font-size: 14px;
  line-height: 1.6;
}

/* ---------- 顶部导航 ---------- */
.topbar {
  background: #fff;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 100;
}
.topbar-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 12px 24px;
}
.logo { display: flex; align-items: center; gap: 8px; cursor: pointer; }
.logo-icon { font-size: 24px; }
.logo-text { font-size: 18px; font-weight: 800; color: var(--tg-blue); letter-spacing: .3px; }
.nav { display: flex; gap: 8px; flex: 1; }
.nav-link {
  padding: 7px 14px;
  border-radius: 8px;
  cursor: pointer;
  color: var(--ink-2);
  font-weight: 500;
  transition: all .15s;
}
.nav-link:hover { background: var(--tg-blue-light); color: var(--tg-blue); }
.nav-link.active { background: var(--tg-blue); color: #fff; }
.btn-cta { flex-shrink: 0; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: none;
  border-radius: 10px;
  padding: 9px 18px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all .15s;
  font-family: inherit;
}
.btn-primary { background: var(--tg-blue); color: #fff; }
.btn-primary:hover { background: var(--tg-blue-dark); }
.btn-outline { background: #fff; color: var(--tg-blue); border: 1.5px solid var(--tg-blue); }
.btn-outline:hover { background: var(--tg-blue-light); }
.btn-ghost { background: transparent; color: var(--ink-2); border: 1px solid var(--line); }
.btn-ghost:hover { background: var(--bg); }
.btn-danger { background: #fff; color: var(--red); border: 1.5px solid var(--red); }
.btn-danger:hover { background: var(--red-bg); }
.btn-sm { padding: 6px 12px; font-size: 13px; border-radius: 8px; }
.btn:disabled { opacity: .55; cursor: not-allowed; }

/* ---------- 页面容器 ---------- */
.page { max-width: 1200px; margin: 0 auto; padding: 32px 24px 64px; }
.page-head { margin-bottom: 28px; }
.page-title { font-size: 26px; font-weight: 800; }
.page-sub { color: var(--ink-2); margin-top: 6px; }

/* ---------- 首页 Hero ---------- */
.hero {
  background: linear-gradient(135deg, #229ed9 0%, #0f6fa8 100%);
  border-radius: 20px;
  color: #fff;
  padding: 52px 48px;
  position: relative;
  overflow: hidden;
  margin-bottom: 28px;
}
.hero::after {
  content: "🤖";
  position: absolute;
  right: 40px;
  bottom: -18px;
  font-size: 130px;
  opacity: .18;
  transform: rotate(-8deg);
}
.hero h1 { font-size: 34px; font-weight: 800; margin-bottom: 10px; }
.hero p { font-size: 16px; opacity: .92; max-width: 560px; }
.hero .btn { margin-top: 22px; background: #fff; color: var(--tg-blue); }
.hero .btn:hover { background: var(--tg-blue-light); }

.stats-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 28px; }
.stat-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}
.stat-num { font-size: 28px; font-weight: 800; color: var(--tg-blue); }
.stat-label { color: var(--ink-2); font-size: 13px; margin-top: 4px; }

.section-title { font-size: 20px; font-weight: 800; margin: 28px 0 16px; display: flex; align-items: center; gap: 8px; }
.hot-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.announce {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 24px;
  box-shadow: var(--shadow);
  margin-top: 28px;
}
.announce h3 { font-size: 15px; margin-bottom: 10px; color: var(--tg-blue); }
.announce li { list-style: none; padding: 5px 0; color: var(--ink-2); border-bottom: 1px dashed var(--line); }
.announce li:last-child { border-bottom: none; }

/* ---------- 模板卡片 ---------- */
.tpl-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.tpl-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  cursor: pointer;
  transition: all .18s;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.tpl-card:hover { transform: translateY(-3px); border-color: var(--tg-blue); box-shadow: 0 12px 32px rgba(31, 46, 78, .14); }
.tpl-icon { font-size: 38px; line-height: 1; }
.tpl-name { font-size: 17px; font-weight: 700; }
.tpl-desc { color: var(--ink-2); font-size: 13px; flex: 1; }
.tpl-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tpl-tag { background: var(--tg-blue-light); color: var(--tg-blue); font-size: 12px; padding: 3px 9px; border-radius: 20px; }
.tpl-meta { display: flex; justify-content: space-between; align-items: center; margin-top: 4px; }
.tpl-cat { font-size: 12px; color: var(--ink-3); }
.tpl-link { color: var(--tg-blue); font-weight: 600; font-size: 13px; }

.market-toolbar { display: flex; gap: 12px; margin-bottom: 20px; flex-wrap: wrap; align-items: center; }
.cat-tabs { display: flex; gap: 8px; flex-wrap: wrap; flex: 1; }
.cat-tab {
  padding: 7px 16px;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: #fff;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-2);
}
.cat-tab.active { background: var(--tg-blue); color: #fff; border-color: var(--tg-blue); }
.search-box {
  display: flex;
  align-items: center;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0 14px;
  min-width: 240px;
}
.search-box input { border: none; outline: none; padding: 9px 0 9px 8px; flex: 1; font-size: 14px; font-family: inherit; background: transparent; color: var(--ink); }

/* ---------- 我的机器人 ---------- */
.bot-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.bot-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.bot-head { display: flex; align-items: center; gap: 12px; }
.bot-avatar {
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--tg-blue-light);
  display: flex; align-items: center; justify-content: center;
  font-size: 24px;
  flex-shrink: 0;
}
.bot-name { font-weight: 700; font-size: 15px; }
.bot-uname { color: var(--ink-3); font-size: 12px; margin-top: 2px; }
.bot-status-line { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
}
.badge-running { background: var(--green-bg); color: var(--green); }
.badge-stopped { background: #eef1f5; color: var(--ink-2); }
.badge-error { background: var(--red-bg); color: var(--red); }
.badge-demo { background: var(--amber-bg); color: var(--amber); }
.bot-desc { color: var(--ink-2); font-size: 13px; }
.bot-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 4px; }
.bot-time { color: var(--ink-3); font-size: 12px; margin-top: auto; padding-top: 6px; }
.empty-state {
  text-align: center;
  padding: 70px 20px;
  color: var(--ink-3);
  background: var(--card);
  border: 1px dashed var(--line);
  border-radius: var(--radius);
}
.empty-state .big { font-size: 52px; margin-bottom: 12px; }

/* ---------- 教程 ---------- */
.help-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.help-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}
.help-card h3 { font-size: 16px; margin-bottom: 12px; display: flex; align-items: center; gap: 8px; }
.help-card ol, .help-card ul { padding-left: 20px; color: var(--ink-2); }
.help-card li { margin: 6px 0; }
.help-card code {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 2px 8px;
  font-size: 13px;
  color: var(--tg-blue-dark);
  word-break: break-all;
}
.faq-item { margin-bottom: 14px; }
.faq-q { font-weight: 700; color: var(--ink); }
.faq-a { color: var(--ink-2); margin-top: 4px; }

/* ---------- 弹窗 ---------- */
.modal-mask {
  position: fixed;
  inset: 0;
  background: rgba(16, 26, 40, .55);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 20px;
}
.modal {
  background: #fff;
  border-radius: 18px;
  width: 100%;
  max-width: 620px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 24px 64px rgba(0, 0, 0, .25);
}
.modal-lg { max-width: 760px; }
.modal-head {
  padding: 20px 24px 0;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}
.modal-title { font-size: 18px; font-weight: 800; }
.modal-sub { color: var(--ink-2); font-size: 13px; margin-top: 4px; }
.modal-close { border: none; background: var(--bg); width: 32px; height: 32px; border-radius: 50%; font-size: 16px; cursor: pointer; color: var(--ink-2); }
.modal-close:hover { background: var(--line); }
.modal-body { padding: 20px 24px 8px; }
.modal-foot { padding: 16px 24px 24px; display: flex; justify-content: flex-end; gap: 10px; }

/* ---------- 表单 ---------- */
.form-item { margin-bottom: 16px; }
.form-label { font-weight: 600; font-size: 13px; margin-bottom: 6px; display: block; }
.form-label .req { color: var(--red); }
.form-help { color: var(--ink-3); font-size: 12px; margin-top: 4px; }
.form-input, .form-textarea, .form-select {
  width: 100%;
  border: 1.5px solid var(--line);
  border-radius: 10px;
  padding: 10px 14px;
  font-size: 14px;
  font-family: inherit;
  outline: none;
  transition: border-color .15s;
  background: #fff;
  color: var(--ink);
}
.form-input:focus, .form-textarea:focus, .form-select:focus { border-color: var(--tg-blue); }
.form-textarea { min-height: 90px; resize: vertical; }
.form-input.mono, .form-textarea.mono { font-family: Consolas, Menlo, monospace; font-size: 13px; }

.hint-box { border-radius: 10px; padding: 10px 14px; font-size: 13px; margin-bottom: 12px; }
.hint-ok { background: var(--green-bg); color: var(--green); }
.hint-warn { background: var(--amber-bg); color: var(--amber); }
.hint-err { background: var(--red-bg); color: var(--red); }
.hint-info { background: var(--tg-blue-light); color: var(--tg-blue-dark); }

/* ---------- 步骤条 ---------- */
.steps { display: flex; gap: 0; margin-bottom: 22px; }
.step { flex: 1; text-align: center; position: relative; }
.step::after {
  content: "";
  position: absolute;
  top: 16px;
  left: 50%;
  width: 100%;
  height: 2px;
  background: var(--line);
}
.step:last-child::after { display: none; }
.step .dot {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--line);
  color: var(--ink-2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 13px;
  position: relative;
  z-index: 1;
}
.step.active .dot { background: var(--tg-blue); color: #fff; }
.step.done .dot { background: var(--green); color: #fff; }
.step .step-label { display: block; margin-top: 6px; font-size: 12px; color: var(--ink-2); font-weight: 600; }
.step.active .step-label { color: var(--tg-blue); }

/* ---------- 日志 ---------- */
.log-list { background: #0f1722; border-radius: 12px; padding: 14px 16px; max-height: 340px; overflow-y: auto; font-family: Consolas, Menlo, monospace; font-size: 12.5px; }
.log-line { display: flex; gap: 10px; padding: 3px 0; border-bottom: 1px solid rgba(255,255,255,.05); }
.log-line:last-child { border-bottom: none; }
.log-time { color: #5f7a96; flex-shrink: 0; }
.log-msg { color: #c9d8ea; word-break: break-all; }
.log-msg.warn { color: #f0c674; }
.log-msg.error { color: #e06c5b; }
.log-msg.info { color: #7fc6f0; }
.log-empty { color: #5f7a96; font-family: inherit; }

/* ---------- Toast ---------- */
#toast-root { position: fixed; top: 70px; left: 50%; transform: translateX(-50%); z-index: 300; display: flex; flex-direction: column; gap: 8px; }
.toast {
  background: var(--ink);
  color: #fff;
  padding: 10px 20px;
  border-radius: 10px;
  font-size: 13px;
  box-shadow: 0 8px 24px rgba(0,0,0,.25);
  animation: slideDown .25s ease;
}
.toast.err { background: var(--red); }
@keyframes slideDown { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: translateY(0); } }

/* ---------- 页脚 ---------- */
.footer { border-top: 1px solid var(--line); background: #fff; margin-top: 40px; }
.footer-inner { max-width: 1200px; margin: 0 auto; padding: 28px 24px; display: flex; align-items: center; gap: 28px; }
.footer-brand { font-weight: 800; color: var(--tg-blue); }
.footer-links { display: flex; gap: 18px; flex: 1; }
.footer-links a { cursor: pointer; color: var(--ink-2); font-size: 13px; }
.footer-links a:hover { color: var(--tg-blue); }
.footer-note { color: var(--ink-3); font-size: 12px; }

/* ---------- 响应式 ---------- */
@media (max-width: 900px) {
  .tpl-grid, .bot-grid { grid-template-columns: repeat(2, 1fr); }
  .hot-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .help-grid { grid-template-columns: 1fr; }
  .hero { padding: 36px 28px; }
  .hero h1 { font-size: 26px; }
  .hero::after { display: none; }
}
@media (max-width: 560px) {
  .tpl-grid, .bot-grid, .hot-grid, .stats-row { grid-template-columns: 1fr; }
  .nav-link { padding: 6px 10px; font-size: 13px; }
  .topbar-inner { gap: 12px; padding: 10px 14px; }
  .btn-cta { padding: 8px 14px; font-size: 13px; }
}