/* ============================================================
   AI Speeds · 智能运营工作台
   高端大气 × 精致简约 · 玻璃拟态 · 双主题
   ============================================================ */

/* ---------- 设计变量 ---------- */
:root {
  /* 品牌色 */
  --accent: #0a84ff;
  --accent-2: #5e5ce6;
  --accent-grad: linear-gradient(135deg, #0a84ff 0%, #5e5ce6 100%);

  /* 文本 */
  --text-1: #1d1d1f;
  --text-2: #6e6e73;
  --text-3: #a1a1a6;

  /* 表面 */
  --bg: #f5f5f7;
  --bg-2: #fafafa;
  --surface: rgba(255, 255, 255, 0.72);
  --surface-strong: rgba(255, 255, 255, 0.92);
  --surface-solid: #ffffff;
  --border: rgba(0, 0, 0, 0.08);
  --border-strong: rgba(0, 0, 0, 0.12);

  /* 阴影 */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04), 0 4px 16px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.05), 0 16px 40px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 20px rgba(0, 0, 0, 0.06), 0 24px 64px rgba(0, 0, 0, 0.12);

  /* 光晕 */
  --glow-1: rgba(10, 132, 255, 0.14);
  --glow-2: rgba(94, 92, 230, 0.12);
  --glow-3: rgba(255, 159, 10, 0.08);

  --radius-lg: 20px;
  --radius-xl: 28px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

html.dark {
  --accent: #0a84ff;
  --accent-2: #5e5ce6;
  --accent-grad: linear-gradient(135deg, #0a84ff 0%, #5e5ce6 100%);

  --text-1: #f5f5f7;
  --text-2: rgba(235, 235, 245, 0.62);
  --text-3: rgba(235, 235, 245, 0.4);

  --bg: #0b0b0f;
  --bg-2: #101014;
  --surface: rgba(255, 255, 255, 0.05);
  --surface-strong: rgba(28, 28, 34, 0.85);
  --surface-solid: #16161c;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3), 0 4px 16px rgba(0, 0, 0, 0.35);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4), 0 16px 40px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 8px 20px rgba(0, 0, 0, 0.45), 0 24px 64px rgba(0, 0, 0, 0.6);

  --glow-1: rgba(10, 132, 255, 0.22);
  --glow-2: rgba(94, 92, 230, 0.2);
  --glow-3: rgba(255, 159, 10, 0.1);
}

/* ---------- 基础 ---------- */
* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  width: 100%;
  min-height: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text",
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text-1);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background 0.5s var(--ease), color 0.5s var(--ease);
  overflow-x: hidden;
}

/* 背景光晕 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(52rem 32rem at 12% -8%, var(--glow-1), transparent 60%),
    radial-gradient(44rem 30rem at 96% 4%, var(--glow-2), transparent 60%),
    radial-gradient(40rem 28rem at 50% 110%, var(--glow-3), transparent 62%);
  pointer-events: none;
  transition: background 0.5s var(--ease);
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
img { display: block; max-width: 100%; }

::selection { background: rgba(10, 132, 255, 0.25); }

/* 滚动条 */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 8px; }
::-webkit-scrollbar-track { background: transparent; }

/* ---------- 应用布局 ---------- */
.app { display: flex; min-height: 100vh; }

/* ============ 侧栏 ============ */
.sidebar {
  width: 264px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  background: var(--surface);
  backdrop-filter: blur(24px) saturate(1.6);
  -webkit-backdrop-filter: blur(24px) saturate(1.6);
  border-right: 1px solid var(--border);
  position: sticky;
  top: 0;
  height: 100vh;
  transition: width 0.45s var(--ease), background 0.5s var(--ease);
  z-index: 60;
}

.sidebar.collapsed { width: 72px; }

.sidebar-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 16px;
  border-bottom: 1px solid var(--border);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  overflow: hidden;
  white-space: nowrap;
}

.brand-mark {
  width: 34px;
  height: 34px;
  flex-shrink: 0;
  border-radius: 10px;
  background: var(--accent-grad);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 15px;
  box-shadow: 0 4px 12px rgba(10, 132, 255, 0.35);
}

.brand-text {
  font-size: 16px;
  font-weight: 650;
  letter-spacing: -0.01em;
  color: var(--text-1);
  transition: opacity 0.3s var(--ease);
}

.sidebar.collapsed .brand-text { opacity: 0; width: 0; }

.collapse-btn {
  width: 30px;
  height: 30px;
  flex-shrink: 0;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-3);
  font-size: 12px;
  transition: background 0.25s, color 0.25s, transform 0.45s var(--ease);
}

.collapse-btn:hover { background: var(--border); color: var(--text-1); }
.sidebar.collapsed .collapse-btn { transform: rotate(180deg); }

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 14px 12px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.nav-group-label {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 12px;
  margin-bottom: 6px;
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--text-3);
  text-transform: uppercase;
  white-space: nowrap;
  overflow: hidden;
  transition: opacity 0.3s var(--ease);
}

.sidebar.collapsed .nav-group-label {
  justify-content: center;
  font-size: 0;
  letter-spacing: 0;
}
.sidebar.collapsed .nav-group-label i { font-size: 12px; margin: 0; }

.nav-items { display: flex; flex-direction: column; gap: 3px; }

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 12px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text-2);
  white-space: nowrap;
  overflow: hidden;
  position: relative;
  transition: background 0.25s var(--ease), color 0.25s, transform 0.25s var(--ease);
}

.nav-item i {
  width: 20px;
  text-align: center;
  font-size: 14px;
  flex-shrink: 0;
}

.nav-item:hover { background: var(--border); color: var(--text-1); }
.nav-item:active { transform: scale(0.98); }

.nav-item.active {
  background: var(--accent-grad);
  color: #fff;
  box-shadow: 0 6px 16px rgba(10, 132, 255, 0.32);
}

.sidebar.collapsed .nav-item { justify-content: center; padding: 12px 0; }

.nav-item-text {
  transition: opacity 0.3s var(--ease);
}
.sidebar.collapsed .nav-item-text { opacity: 0; width: 0; }

.sidebar-foot {
  padding: 16px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: center;
}

.sidebar-foot img { height: 26px; opacity: 0.85; transition: opacity 0.3s, transform 0.45s var(--ease); }
.sidebar.collapsed .sidebar-foot img { height: 22px; }

/* ============ 主区域 ============ */
.main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

/* ============ 顶栏 ============ */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 32px;
  background: var(--surface);
  backdrop-filter: blur(24px) saturate(1.6);
  -webkit-backdrop-filter: blur(24px) saturate(1.6);
  border-bottom: 1px solid var(--border);
  transition: background 0.5s var(--ease);
}

.header-title {
  font-size: 17px;
  font-weight: 650;
  letter-spacing: -0.01em;
  color: var(--text-1);
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
}

.header-title .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #34c759;
  box-shadow: 0 0 0 3px rgba(52, 199, 89, 0.18);
}

.header-actions { display: flex; align-items: center; gap: 10px; }

.icon-btn {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-2);
  font-size: 15px;
  transition: background 0.25s, color 0.25s, transform 0.2s var(--ease);
}
.icon-btn:hover { background: var(--border); color: var(--text-1); }
.icon-btn:active { transform: scale(0.94); }

/* ============ 按钮 ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 550;
  letter-spacing: 0.01em;
  transition: transform 0.25s var(--ease), box-shadow 0.3s var(--ease),
    background 0.25s, opacity 0.25s, color 0.25s;
  white-space: nowrap;
}

.btn:active { transform: scale(0.97); }

.btn-primary {
  background: var(--accent-grad);
  color: #fff;
  box-shadow: 0 6px 18px rgba(10, 132, 255, 0.35);
}
.btn-primary:hover { box-shadow: 0 8px 26px rgba(10, 132, 255, 0.45); transform: translateY(-1px); }

.btn-pill { border-radius: 999px; padding: 10px 24px; }

.btn-ghost {
  background: var(--surface-strong);
  color: var(--text-1);
  border: 1px solid var(--border-strong);
}
.btn-ghost:hover { transform: translateY(-1px); box-shadow: var(--shadow-sm); }

/* ============ Hero ============ */
.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 72px 24px 48px;
  position: relative;
}

.hero-logo {
  position: relative;
  margin-bottom: 36px;
  animation: float 7s ease-in-out infinite;
}

.hero-logo img { width: 300px; max-width: 70vw; filter: drop-shadow(0 18px 40px rgba(10, 132, 255, 0.18)); }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 550;
  color: var(--accent);
  background: rgba(10, 132, 255, 0.08);
  border: 1px solid rgba(10, 132, 255, 0.22);
  margin-bottom: 22px;
  letter-spacing: 0.04em;
}

.hero h1 {
  font-size: clamp(38px, 6vw, 64px);
  font-weight: 750;
  letter-spacing: -0.03em;
  line-height: 1.08;
  background: linear-gradient(180deg, var(--text-1) 55%, var(--text-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 18px;
}

.hero h1 .grad {
  background: var(--accent-grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p.sub {
  font-size: clamp(16px, 2vw, 20px);
  color: var(--text-2);
  max-width: 560px;
  line-height: 1.7;
  letter-spacing: 0.01em;
}

/* ============ 内容容器 ============ */
.container { max-width: 1120px; margin: 0 auto; padding: 0 32px; }

.section-title {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
}

.section-title .bar {
  width: 4px; height: 20px;
  border-radius: 4px;
  background: var(--accent-grad);
}

.section-title h2 {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.section-title span {
  font-size: 13px;
  color: var(--text-3);
  font-weight: 500;
  margin-top: 2px;
}

/* ============ 工具卡片 ============ */
.card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  padding-bottom: 56px;
}

@media (max-width: 900px) { .card-grid { grid-template-columns: 1fr; } }

.card {
  position: relative;
  background: var(--surface);
  backdrop-filter: blur(24px) saturate(1.6);
  -webkit-backdrop-filter: blur(24px) saturate(1.6);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 32px 32px 28px;
  overflow: hidden;
  transition: transform 0.45s var(--ease), box-shadow 0.45s var(--ease), border-color 0.4s;
}

/* 顶部渐变描边 */
.card::before {
  content: "";
  position: absolute;
  top: 0; left: 12%; right: 12%;
  height: 2px;
  border-radius: 2px;
  background: var(--card-grad, var(--accent-grad));
  opacity: 0;
  transform: scaleX(0.4);
  transition: opacity 0.4s, transform 0.5s var(--ease);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--border-strong);
}
.card:hover::before { opacity: 1; transform: scaleX(1); }

.card-icon {
  width: 58px;
  height: 58px;
  border-radius: 17px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 22px;
  background: var(--card-grad, var(--accent-grad));
  box-shadow: 0 8px 20px var(--card-glow, rgba(10, 132, 255, 0.3));
  margin-bottom: 22px;
  transition: transform 0.5s var(--ease);
}

.card:hover .card-icon { transform: scale(1.06) rotate(-4deg); }

.card-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 650;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 8px;
}

.card h3 {
  font-size: 24px;
  font-weight: 720;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}

.card p {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-2);
  margin-bottom: 24px;
  min-height: 50px;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--accent);
  transition: gap 0.3s var(--ease), opacity 0.25s;
}

.card-link i { font-size: 12px; transition: transform 0.3s var(--ease); }
.card:hover .card-link i { transform: translateX(4px); }
.card-link:hover { opacity: 0.8; }

/* 卡片配色 */
.card-blue   { --card-grad: linear-gradient(135deg, #0a84ff, #5e5ce6); --card-glow: rgba(10, 132, 255, 0.32); }
.card-orange { --card-grad: linear-gradient(135deg, #ff9f0a, #ff375f); --card-glow: rgba(255, 159, 10, 0.32); }
.card-green  { --card-grad: linear-gradient(135deg, #34c759, #0a84ff); --card-glow: rgba(52, 199, 89, 0.32); }
.card-purple { --card-grad: linear-gradient(135deg, #bf5af2, #ff2d55); --card-glow: rgba(191, 90, 242, 0.32); }

/* ============ 页脚 ============ */
.footer {
  border-top: 1px solid var(--border);
  padding: 28px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  color: var(--text-3);
  font-size: 13px;
}

.footer .links { display: flex; gap: 20px; }
.footer .links a { transition: color 0.25s; }
.footer .links a:hover { color: var(--text-1); }

/* ============ 工具页面 ============ */
/* 满屏自适应：内边距随视口缩放，仅在 2560px 以上超宽屏限幅居中（防文字行过长） */
.page-wrap {
  padding: 32px clamp(20px, 2.2vw, 44px) 64px;
  width: 100%;
  max-width: 2560px;
  margin: 0 auto;
  box-sizing: border-box;
}

/* 自适应表单网格：字段按可用宽度自动铺开，不留右侧空白
   用法：<div class="fg-auto"> ...field... </div>，可选 .fg-auto-3 / .fg-auto-4 限定最大列数 */
.fg-auto { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 0 16px; }
.fg-auto-3 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.fg-auto-4 { grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); }
.fg-auto .field-full, .fg-auto > .field-full { grid-column: 1 / -1; }
@media (max-width: 620px) { .fg-auto, .fg-auto-3, .fg-auto-4 { grid-template-columns: 1fr; } }

/* 自适应数据卡片行：KPI / 统计卡按宽度自动增减列 */
.grid-auto-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; }
.grid-auto-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; }

.tool-hero {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 36px;
}

.tool-hero .tool-icon {
  width: 64px;
  height: 64px;
  flex-shrink: 0;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 25px;
  background: var(--card-grad, var(--accent-grad));
  box-shadow: 0 10px 26px var(--card-glow, rgba(10, 132, 255, 0.3));
}

.tool-hero h1 { font-size: 30px; font-weight: 750; letter-spacing: -0.02em; margin-bottom: 8px; }
.tool-hero p { font-size: 15px; color: var(--text-2); line-height: 1.7; max-width: 980px; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}
.badge-warn { color: #ff9500; background: rgba(255, 149, 0, 0.1); border: 1px solid rgba(255, 149, 0, 0.25); }
.badge-live { color: #34c759; background: rgba(52, 199, 89, 0.1); border: 1px solid rgba(52, 199, 89, 0.25); }

/* 工具布局：左说明 + 右面板 */
.tool-layout {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 24px;
  align-items: start;
}
@media (max-width: 960px) { .tool-layout { grid-template-columns: 1fr; } }

.panel {
  background: var(--surface);
  backdrop-filter: blur(24px) saturate(1.6);
  -webkit-backdrop-filter: blur(24px) saturate(1.6);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 26px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.4s var(--ease), border-color 0.4s;
}
.panel:hover { box-shadow: var(--shadow-md); }

.panel h4 {
  font-size: 14px;
  font-weight: 650;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.feature-list { display: flex; flex-direction: column; gap: 14px; }
.feature {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 13.5px;
  color: var(--text-2);
  line-height: 1.6;
}
.feature i {
  width: 26px; height: 26px;
  flex-shrink: 0;
  border-radius: 8px;
  background: rgba(10, 132, 255, 0.1);
  color: var(--accent);
  font-size: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 1px;
}
.feature b { color: var(--text-1); font-weight: 600; }

/* 表单 */
.field { margin-bottom: 18px; }
.field label {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-2);
  margin-bottom: 8px;
  letter-spacing: 0.02em;
}
.field input, .field textarea, .field select {
  width: 100%;
  padding: 11px 14px;
  border-radius: 12px;
  border: 1px solid var(--border-strong);
  background: var(--surface-strong);
  color: var(--text-1);
  font-size: 14px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.25s, box-shadow 0.25s;
}
.field input:focus, .field textarea:focus, .field select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(10, 132, 255, 0.18);
}
.field input::placeholder, .field textarea::placeholder { color: var(--text-3); }
.field textarea { resize: vertical; min-height: 96px; line-height: 1.6; }

/* 数据卡片（广告优化 / 市场分析） */
.stat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
@media (max-width: 720px) { .stat-grid { grid-template-columns: 1fr 1fr; } }

.stat {
  background: var(--surface-strong);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px 18px;
  transition: transform 0.35s var(--ease), box-shadow 0.35s;
}
.stat:hover { transform: translateY(-3px); box-shadow: var(--shadow-sm); }
.stat .k { font-size: 12px; color: var(--text-3); margin-bottom: 6px; display: flex; align-items: center; gap: 6px; }
.stat .v { font-size: 22px; font-weight: 720; letter-spacing: -0.02em; }
.stat .d { font-size: 11.5px; margin-top: 4px; font-weight: 600; }
.d-up { color: #ff3b30; }
.d-down { color: #34c759; }

/* 图表占位 */
.chart-ph {
  height: 200px;
  border-radius: 16px;
  border: 1px dashed var(--border-strong);
  background:
    repeating-linear-gradient(0deg, transparent 0 39px, var(--border) 39px 40px),
    repeating-linear-gradient(90deg, transparent 0 79px, var(--border) 79px 80px),
    linear-gradient(180deg, rgba(10,132,255,0.05), rgba(94,92,230,0.08));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-3);
  font-size: 13px;
  gap: 8px;
  margin-top: 14px;
}

/* 画布占位（灵魂画手） */
.canvas-ph {
  height: 320px;
  border-radius: 16px;
  border: 1px dashed var(--border-strong);
  background:
    radial-gradient(circle at 30% 40%, rgba(191,90,242,0.12), transparent 55%),
    radial-gradient(circle at 70% 65%, rgba(255,45,85,0.1), transparent 55%),
    linear-gradient(180deg, rgba(255,255,255,0.02), transparent);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: var(--text-3);
}

/* 状态条 */
.status-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 20px;
  padding: 12px;
  border-radius: 12px;
  background: rgba(255, 149, 0, 0.07);
  border: 1px solid rgba(255, 149, 0, 0.2);
  color: #ff9500;
  font-size: 13px;
  font-weight: 550;
}

/* ============ 动画 ============ */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

.anim-fade { animation: fadeUp 0.8s var(--ease) both; }
.anim-1 { animation-delay: 0.08s; }
.anim-2 { animation-delay: 0.18s; }
.anim-3 { animation-delay: 0.28s; }
.anim-4 { animation-delay: 0.38s; }

/* 面包屑 */
.crumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-3);
  margin-bottom: 28px;
}
.crumbs a { transition: color 0.25s; }
.crumbs a:hover { color: var(--accent); }
.crumbs i { font-size: 9px; }

/* 响应式 */
@media (max-width: 640px) {
  .header { padding: 0 16px; }
  .container { padding: 0 18px; }
  .page-wrap { padding: 24px 18px 48px; }
  .hero { padding-top: 48px; }
  .card { padding: 24px; }
  .card p { min-height: 0; }
  .tool-layout { grid-template-columns: 1fr; }
}

/* ============ 灵魂画手 · 生成工作台 ============ */
/* 配置区按比例伸缩（宽屏 30% / 中屏 34%），结果区始终撑满剩余空间 */
.gen-layout {
  display: grid;
  grid-template-columns: minmax(340px, 30%) minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}
@media (max-width: 1440px) { .gen-layout { grid-template-columns: minmax(320px, 34%) minmax(0, 1fr); } }
@media (max-width: 1180px) { .gen-layout { grid-template-columns: minmax(300px, 40%) minmax(0, 1fr); } }
@media (max-width: 960px)  { .gen-layout { grid-template-columns: 1fr; } }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
.form-grid .field-full { grid-column: 1 / -1; }
@media (max-width: 560px) { .form-grid { grid-template-columns: 1fr; } }

.section-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
  margin: 4px 0 14px;
  padding-top: 4px;
}
.section-label::after { content: ""; flex: 1; height: 1px; background: var(--border-strong); }

/* 图片类型分段选择 */
.seg {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
.seg-item {
  position: relative;
  cursor: pointer;
  border-radius: 12px;
  border: 1px solid var(--border-strong);
  background: var(--surface-strong);
  padding: 12px 6px 10px;
  text-align: center;
  transition: all 0.3s var(--ease);
  user-select: none;
}
.seg-item i { display: block; font-size: 16px; margin-bottom: 6px; color: var(--text-3); transition: color 0.3s; }
.seg-item span { font-size: 12px; font-weight: 600; color: var(--text-2); transition: color 0.3s; }
.seg-item:hover { border-color: rgba(191, 90, 242, 0.4); transform: translateY(-1px); }
.seg-item.on {
  border-color: transparent;
  background: linear-gradient(135deg, rgba(191,90,242,0.16), rgba(255,45,85,0.12));
  box-shadow: inset 0 0 0 1.5px rgba(191, 90, 242, 0.55), 0 4px 14px rgba(191, 90, 242, 0.18);
}
.seg-item.on i, .seg-item.on span { color: #bf5af2; }
html.dark .seg-item.on i, html.dark .seg-item.on span { color: #d982ff; }

/* 卖点标签 */
.tag-input-row { display: flex; gap: 8px; }
.tag-input-row input { flex: 1; }
.tag-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; min-height: 4px; }
.tag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 550;
  color: var(--text-1);
  background: var(--surface-strong);
  border: 1px solid var(--border-strong);
  animation: fadeUp 0.35s var(--ease) both;
}
.tag i { font-size: 10px; color: var(--text-3); cursor: pointer; transition: color 0.2s; }
.tag i:hover { color: #ff2d55; }

/* 参考图上传 */
.upload-zone {
  position: relative;
  border: 1.5px dashed var(--border-strong);
  border-radius: 14px;
  padding: 22px 14px;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s var(--ease);
  background: var(--surface-strong);
}
.upload-zone:hover, .upload-zone.drag { border-color: #bf5af2; background: rgba(191, 90, 242, 0.06); }
.upload-zone i { font-size: 20px; color: var(--text-3); margin-bottom: 6px; }
.upload-zone p { font-size: 12.5px; color: var(--text-2); margin: 0; }
.upload-zone small { font-size: 11px; color: var(--text-3); display: block; margin-top: 4px; }
.upload-zone input[type="file"] { position: absolute; inset: 0; opacity: 0; cursor: pointer; }

.upload-thumbs { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 12px; }
.upload-thumb {
  position: relative;
  width: 74px;
  height: 74px;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border-strong);
  background: #fff;
  flex-shrink: 0;
}
.upload-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.upload-thumb .thumb-del {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.55);
  color: #fff;
  border: none;
  font-size: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s;
}
.upload-thumb .thumb-del:hover { background: #ff2d55; }
.upload-thumb .thumb-idx {
  position: absolute;
  left: 4px;
  bottom: 4px;
  font-size: 9px;
  font-weight: 700;
  color: #fff;
  background: rgba(0, 0, 0, 0.5);
  border-radius: 6px;
  padding: 1px 5px;
}
.upload-hint { font-size: 11px; color: var(--text-3); margin-top: 10px; display: flex; align-items: center; gap: 6px; }

/* 结果画布 */
.result-zone {
  min-height: 420px;
  border-radius: 16px;
  border: 1px dashed var(--border-strong);
  background:
    radial-gradient(circle at 30% 40%, rgba(191,90,242,0.12), transparent 55%),
    radial-gradient(circle at 70% 65%, rgba(255,45,85,0.1), transparent 55%),
    linear-gradient(180deg, rgba(255,255,255,0.02), transparent);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 32px;
  text-align: center;
  color: var(--text-3);
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s;
}
.result-zone.has-img { border-style: solid; border-color: var(--border); background: var(--surface-strong); }
.result-empty i { font-size: 36px; color: var(--accent); opacity: 0.7; }
.result-empty p { font-size: 13.5px; margin: 0; }
.result-empty small { font-size: 11.5px; opacity: 0.75; }

/* 加载态 */
.gen-loading { display: flex; flex-direction: column; align-items: center; gap: 16px; }
.spinner-ring {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 3px solid rgba(191, 90, 242, 0.18);
  border-top-color: #bf5af2;
  animation: spin 0.9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.gen-loading .st { font-size: 14px; font-weight: 600; color: var(--text-1); }
.gen-loading .st-sub { font-size: 12.5px; color: var(--text-3); margin-top: -8px; }

/* 结果图片 */
.gen-result { width: 100%; display: flex; flex-direction: column; gap: 16px; animation: fadeUp 0.5s var(--ease) both; }
.gen-result img {
  width: 100%;
  max-height: 560px;
  object-fit: contain;
  border-radius: 14px;
  background: #fff;
  box-shadow: var(--shadow-lg);
}
.gen-result-actions { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; }
.gen-meta {
  font-size: 11.5px;
  color: var(--text-3);
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

/* 错误条 */
.gen-error {
  width: 100%;
  border-radius: 12px;
  padding: 14px 16px;
  background: rgba(255, 45, 85, 0.07);
  border: 1px solid rgba(255, 45, 85, 0.25);
  color: #ff2d55;
  font-size: 13px;
  line-height: 1.6;
  text-align: left;
  display: flex;
  gap: 10px;
  animation: fadeUp 0.4s var(--ease) both;
}
.gen-error i { margin-top: 2px; }

/* prompt 预览 */
.prompt-preview {
  margin-top: 20px;
  border-radius: 12px;
  background: var(--surface-strong);
  border: 1px solid var(--border);
  padding: 14px;
}
.prompt-preview summary {
  cursor: pointer;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-3);
  display: flex;
  align-items: center;
  gap: 8px;
  user-select: none;
}
.prompt-preview summary:hover { color: var(--text-2); }
.prompt-preview pre {
  margin: 12px 0 0;
  white-space: pre-wrap;
  word-break: break-all;
  font-size: 12px;
  line-height: 1.7;
  color: var(--text-2);
  font-family: inherit;
  background: rgba(0, 0, 0, 0.025);
  border-radius: 8px;
  padding: 12px;
}
html.dark .prompt-preview pre { background: rgba(255, 255, 255, 0.04); }

/* 历史记录 */
.gen-history { margin-top: 24px; }
.gen-history-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 10px; }
.gen-history-grid img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 10px;
  cursor: pointer;
  border: 1px solid var(--border-strong);
  transition: transform 0.3s var(--ease), box-shadow 0.3s;
}
.gen-history-grid img:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }

/* ============================================================
   灵魂画手 · 四栏结果网格 + Lightbox 放大预览
   ============================================================ */
.result-zone { display: block; }
.result-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 52px 24px;
}
/* 四栏结果网格：列数随视口降级，保证任何宽度下图片都足够大且不留大片空白 */
.gen-grid { display: none; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; width: 100%; }
@media (max-width: 1500px) { .gen-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 1080px) { .gen-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 620px)  { .gen-grid { grid-template-columns: 1fr; } }

/* 结果数量少时放大单元格，避免右侧空一大片 */
.gen-grid > .gen-cell:only-child { grid-column: span 2; max-width: 620px; }
.gen-grid > .gen-cell:first-child:nth-last-child(2),
.gen-grid > .gen-cell:first-child:nth-last-child(2) ~ .gen-cell { grid-column: span 2; }
@media (max-width: 620px) {
  .gen-grid > .gen-cell:only-child,
  .gen-grid > .gen-cell:first-child:nth-last-child(2),
  .gen-grid > .gen-cell:first-child:nth-last-child(2) ~ .gen-cell { grid-column: span 1; max-width: none; }
}
.gen-state { display: none; width: 100%; }
.gen-state .gen-loading, .gen-state .gen-error { padding: 42px 20px; }

/* 网格单元 */
.gen-cell {
  position: relative;
  aspect-ratio: 1;
  border-radius: 14px;
  overflow: hidden;
  background: var(--surface-strong);
  border: 1px solid var(--border);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
  cursor: zoom-in;
  animation: fadeUp 0.45s var(--ease) both;
}
.gen-cell img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.35s var(--ease);
}
.gen-cell:hover img { transform: scale(1.06); }
.gen-cell-idx {
  position: absolute;
  top: 8px;
  left: 8px;
  font-size: 10.5px;
  font-weight: 700;
  color: #fff;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  padding: 3px 9px;
  border-radius: 20px;
  letter-spacing: 0.3px;
  user-select: none;
}
.gen-cell-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0) 42%, rgba(0, 0, 0, 0.58));
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 8px;
  padding-bottom: 10px;
  opacity: 0;
  transition: opacity 0.25s;
}
.gen-cell:hover .gen-cell-overlay { opacity: 1; }
.gen-cell-action {
  border: none;
  background: rgba(255, 255, 255, 0.92);
  color: #1d1d1f;
  font-size: 11.5px;
  font-weight: 600;
  padding: 6px 11px;
  border-radius: 8px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  text-decoration: none;
  transition: background 0.2s, transform 0.2s;
  white-space: nowrap;
}
.gen-cell-action:hover { background: #ffffff; transform: translateY(-1px); }
.gen-cell-action.danger { background: rgba(255, 45, 85, 0.85); color: #fff; }
.gen-cell-action.danger:hover { background: #ff2d55; }

/* Lightbox 放大预览 */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(8, 8, 12, 0.88);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s;
}
.lightbox.show { opacity: 1; visibility: visible; }
.lightbox img {
  max-width: 92vw;
  max-height: 86vh;
  border-radius: 12px;
  box-shadow: 0 24px 90px rgba(0, 0, 0, 0.55);
  animation: lbZoom 0.3s var(--ease) both;
  background: #fff;
}
@keyframes lbZoom {
  from { transform: scale(0.92); opacity: 0; }
  to   { transform: scale(1); opacity: 1; }
}
.lightbox-btn {
  position: absolute;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  font-size: 17px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, transform 0.2s;
}
.lightbox-btn:hover { background: rgba(255, 255, 255, 0.22); }
.lb-close { top: 22px; right: 26px; }
.lb-prev { left: 26px; top: 50%; transform: translateY(-50%); }
.lb-next { right: 26px; top: 50%; transform: translateY(-50%); }
.lb-prev:hover, .lb-next:hover { transform: translateY(-50%) scale(1.08); }
.lb-counter {
  position: absolute;
  top: 26px;
  left: 28px;
  color: rgba(255, 255, 255, 0.75);
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: 0.5px;
}
.lb-meta {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.9);
  font-size: 12.5px;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  padding: 8px 18px;
  border-radius: 22px;
  display: flex;
  gap: 16px;
  align-items: center;
  white-space: nowrap;
}
.lb-meta .lb-link {
  color: #fff;
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.lb-meta .lb-link:hover { text-decoration: underline; }
.lb-meta .lb-hint { color: rgba(255, 255, 255, 0.55); }

/* 响应式：窄屏降为 2 栏 */
@media (max-width: 900px) {
  .gen-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .lb-meta .lb-hint { display: none; }
}

/* ============================================================
   灵魂画手 · 结果/历史 Tab + 历史记录网格
   ============================================================ */
.result-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 16px;
  padding: 4px;
  background: rgba(0, 0, 0, 0.04);
  border: 1px solid var(--border);
  border-radius: 12px;
}
html.dark .result-tabs { background: rgba(255, 255, 255, 0.04); }
.result-tab {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 9px 12px;
  border: none;
  border-radius: 9px;
  background: transparent;
  color: var(--text-2);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s var(--ease);
}
.result-tab:hover { color: var(--text-1); }
.result-tab.on {
  background: var(--surface-solid);
  color: var(--text-1);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
}
html.dark .result-tab.on { background: rgba(255, 255, 255, 0.1); }
.tab-count {
  min-width: 20px;
  padding: 1px 7px;
  border-radius: 20px;
  background: var(--accent-grad);
  color: #fff;
  font-size: 10.5px;
  font-weight: 700;
  text-align: center;
  line-height: 17px;
}
.result-tab:not(.on) .tab-count { background: rgba(0, 0, 0, 0.28); }
html.dark .result-tab:not(.on) .tab-count { background: rgba(255, 255, 255, 0.24); }

.result-tab-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.result-tab-tip {
  font-size: 12px;
  color: var(--text-3);
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

/* 历史记录网格（4 栏，与结果网格一致观感） */
.hist-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  width: 100%;
}
.hist-item {
  position: relative;
  aspect-ratio: 1;
  border-radius: 14px;
  overflow: hidden;
  background: var(--surface-strong);
  border: 1px solid var(--border);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
  cursor: zoom-in;
  animation: fadeUp 0.45s var(--ease) both;
}
.hist-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.35s var(--ease);
}
.hist-item:hover img { transform: scale(1.06); }
.hist-item .gen-cell-overlay { border-radius: 14px; }
.hist-time {
  position: absolute;
  right: 8px;
  bottom: 8px;
  font-size: 10px;
  font-weight: 600;
  color: #fff;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  padding: 3px 8px;
  border-radius: 20px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  pointer-events: none;
}
@media (max-width: 900px) {
  .hist-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- 产品卖点 · 内嵌式标签编辑器 ---------- */
.tag-editor {
  position: relative;
  width: 100%;
  min-height: 48px;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--surface);
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  transition: border-color 0.25s, box-shadow 0.25s;
}
.tag-editor:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(10,132,255,0.12);
}
.tag-editor-inner {
  display: contents;
}
.tag-editor .tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 5px 5px 3px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 550;
  color: var(--text-1);
  background: var(--surface-strong);
  border: 1px solid var(--border-strong);
  animation: fadeUp 0.35s var(--ease) both;
  cursor: default;
  user-select: none;
  transition: transform 0.2s, box-shadow 0.2s;
}
.tag-editor .tag:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}
.tag-editor .tag .tag-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  font-size: 10px;
  font-weight: 700;
  color: #fff;
  background: var(--accent-grad);
  flex-shrink: 0;
}
.tag-editor .tag i.fa-xmark {
  width: 18px;
  height: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 9px;
  color: var(--text-3);
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}
.tag-editor .tag i.fa-xmark:hover {
  background: rgba(255,45,85,0.1);
  color: #ff2d55;
}
.tag-editor input[type="text"] {
  flex: 1 1 80px;
  min-width: 80px;
  border: none;
  background: transparent;
  padding: 4px 2px;
  font-size: 13px;
  color: var(--text-1);
  outline: none;
  font-family: inherit;
}
.tag-editor input[type="text"]::placeholder {
  color: var(--text-3);
  font-size: 12.5px;
}
.tag-editor-hint {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-3);
  transition: opacity 0.2s;
  margin-top: 2px;
}
.tag-editor-hint i {
  font-size: 11px;
  color: var(--accent);
  opacity: 0.7;
}

/* 有标签时隐藏 hint 和 placeholder */
.tag-editor:has(.tag) .tag-editor-hint {
  display: none;
}
.tag-editor:has(.tag) input[type="text"]::placeholder {
  color: transparent;
}

/* 暗色模式微调 */
html.dark .tag-editor .tag {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.1);
}
html.dark .tag-editor .tag i.fa-xmark:hover {
  background: rgba(255,45,85,0.15);
}

/* ---------- 市场分析 · 模式说明 / 数据源 / 报告 / 历史 ---------- */
.mode-desc {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-top: 10px;
  padding: 10px 12px;
  border-radius: 12px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--text-2);
  background: var(--surface-strong);
  border: 1px solid var(--border);
}
.mode-desc i { margin-top: 3px; font-size: 12px; }

/* 数据源面板 */
/* 数据源列表：按可用宽度自动排布（宽屏 4-6 列，中屏 2-3 列，窄屏 1 列），避免单条被拉得过长 */
.src-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 10px;
  align-items: stretch;
}
@media (max-width: 620px) { .src-list { grid-template-columns: 1fr; } }
.src-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface-strong);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.src-item.on { border-color: rgba(52,199,89,0.4); box-shadow: 0 0 0 3px rgba(52,199,89,0.08); }
.src-item.off { opacity: 0.92; border-color: rgba(255,149,0,0.25); }
.src-ico {
  width: 34px; height: 34px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 10px;
  font-size: 14px;
  color: var(--accent);
  background: var(--accent-grad);
  color: #fff;
  flex-shrink: 0;
}
.src-meta { flex: 1; min-width: 0; }
.src-meta b { display: block; font-size: 13px; color: var(--text-1); }
.src-meta small { display: block; font-size: 11.5px; color: var(--text-3); margin-top: 2px; }
.src-status {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 11.5px; font-weight: 600;
  color: var(--text-3);
  flex-shrink: 0;
  padding: 3px 8px;
  border-radius: 20px;
  background: rgba(128,128,128,0.08);
}
.src-item.on .src-status { color: #34c759; }
.src-status i { font-size: 9px; }
.src-status.ok { color: #34c759; background: rgba(52,199,89,0.1); }
.src-status.bad { color: #ff453a; background: rgba(255,69,58,0.1); }
.src-status.warn { color: #ff9f0a; background: rgba(255,159,10,0.1); }

/* 请求参数预览 */
.payload-preview summary {
  cursor: pointer;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-2);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 0;
  user-select: none;
}
.payload-preview summary:hover { color: var(--text-1); }
.payload-preview pre {
  margin-top: 8px;
  padding: 12px 14px;
  border-radius: 12px;
  background: var(--surface-strong);
  border: 1px solid var(--border);
  font-size: 11.5px;
  line-height: 1.7;
  color: var(--text-2);
  overflow-x: auto;
  font-family: 'SF Mono', 'Cascadia Code', Consolas, monospace;
  max-height: 260px;
  overflow-y: auto;
}

/* 分析报告 */
.rep-grid { display: grid; gap: 16px; width: 100%; }
.rep-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.rep-head-title { display: flex; align-items: center; gap: 10px; min-width: 0; }
.rep-head-title b {
  font-size: 14px;
  color: var(--text-1);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.rep-time { font-size: 11.5px; color: var(--text-3); display: inline-flex; align-items: center; gap: 5px; flex-shrink: 0; }
.rep-mode-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 650;
  flex-shrink: 0;
}
.rep-mode-badge[data-mode="jingpu"] { background: rgba(10,132,255,0.12); color: #0a84ff; }
.rep-mode-badge[data-mode="jingpin"] { background: rgba(191,90,242,0.12); color: #bf5af2; }
.rep-metrics { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.rep-metric {
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface-strong);
}
.rep-metric .k { font-size: 11.5px; color: var(--text-3); font-weight: 600; }
.rep-metric .v { font-size: 20px; font-weight: 750; color: var(--text-1); margin-top: 4px; letter-spacing: -0.02em; }
.rep-metric .d { font-size: 11.5px; font-weight: 650; margin-top: 2px; }
.rep-metric .d.up { color: #ff3b30; }
.rep-metric .d.down { color: #34c759; }
.rep-section {
  padding: 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface-strong);
}
.rep-section-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 10px;
}
.rep-section-title i { color: var(--accent); font-size: 12px; }
.rep-section .feature { padding: 6px 0; }

/* 历史记录列表 */
.mk-hist-list { display: flex; flex-direction: column; gap: 10px; }
.mk-hist-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--surface-strong);
  animation: fadeUp 0.35s var(--ease) both;
  transition: border-color 0.2s, transform 0.2s;
}
.mk-hist-item:hover { border-color: var(--accent); transform: translateY(-1px); }
.mk-hist-main { display: flex; align-items: center; gap: 10px; min-width: 0; flex: 1; }
.mk-hist-body { min-width: 0; }
.mk-hist-body b {
  display: block;
  font-size: 13px;
  color: var(--text-1);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 340px;
}
.mk-hist-body small { display: block; font-size: 11.5px; color: var(--text-3); margin-top: 3px; }
.mk-hist-side { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.mk-hist-time { font-size: 11.5px; color: var(--text-3); }
.mk-hist-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 10px;
  border-radius: 9px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--text-2);
  font-size: 11.5px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}
.mk-hist-btn:hover { border-color: var(--accent); color: var(--accent); }
.mk-hist-btn.danger:hover { border-color: #ff2d55; color: #ff2d55; }

/* ============================================================
   市场分析 · 智能图表报告系统
   ============================================================ */

/* 报告外层 */
.report-wrap { display: flex; flex-direction: column; gap: 18px; width: 100%; }

/* 图表卡片 */
.chart-card {
  background: var(--surface-strong);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  transition: transform 0.35s var(--ease), box-shadow 0.35s;
  animation: fadeUp 0.5s var(--ease) both;
}
.chart-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }

.chart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 14px 18px 10px;
  border-bottom: 1px solid var(--border);
}
.chart-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--text-1);
}
.chart-title i { color: var(--accent); font-size: 12px; }

.chart-toolbar {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}
.chart-toolbar .chart-switch {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 5px 10px;
  border-radius: 8px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--text-2);
  font-size: 11.5px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}
.chart-toolbar .chart-switch:hover { border-color: var(--accent); color: var(--accent); }
.chart-toolbar .chart-switch.on { background: var(--accent-grad); color: #fff; border-color: transparent; }

.chart-body { width: 100%; position: relative; }
.chart-body .echarts-container { width: 100%; height: 280px; }
.chart-body .echarts-container.lg { height: 360px; }
.chart-body .echarts-container.sm { height: 200px; }

/* 图表网格布局 */
/* 图表网格自适应：宽屏自动增至 3 列以上，配合 echarts resize 监听重绘 */
.chart-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(430px, 1fr));
  gap: 16px;
  width: 100%;
}
.chart-grid .chart-card.full { grid-column: 1 / -1; }
.chart-grid .chart-card.wide { grid-column: span 2; }
@media (max-width: 900px) {
  .chart-grid { grid-template-columns: 1fr; }
  .chart-grid .chart-card.wide { grid-column: span 1; }
}

/* 图表类型选择浮层 */
.chart-picker {
  position: absolute;
  top: 42px; right: 8px;
  z-index: 100;
  background: var(--surface-solid);
  border: 1px solid var(--border-strong);
  border-radius: 14px;
  padding: 12px;
  box-shadow: var(--shadow-lg);
  min-width: 220px;
  max-width: 320px;
  max-height: 360px;
  overflow-y: auto;
  display: none;
}
.chart-picker.show { display: block; animation: fadeUp 0.2s var(--ease) both; }
.chart-picker-group { margin-bottom: 10px; }
.chart-picker-group:last-child { margin-bottom: 0; }
.chart-picker-label {
  font-size: 10.5px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--text-3); margin-bottom: 6px; padding-left: 4px;
}
.chart-picker-items { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
.chart-picker-item {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  padding: 8px 4px; border-radius: 10px; border: 1px solid transparent;
  background: transparent; color: var(--text-2); font-size: 11px; font-weight: 600;
  cursor: pointer; transition: all 0.2s;
}
.chart-picker-item i { font-size: 14px; }
.chart-picker-item:hover { background: var(--surface-strong); border-color: var(--border); color: var(--text-1); }
.chart-picker-item.on { background: var(--accent-grad); color: #fff; }

/* 报告文本段落 */
.rep-text {
  padding: 14px 18px;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--text-2);
}
.rep-text b { color: var(--text-1); font-weight: 600; }

/* 指标大图卡 */
.rep-kpi-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.rep-kpi {
  padding: 16px 14px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--surface-strong);
  text-align: center;
  animation: fadeUp 0.45s var(--ease) both;
}
.rep-kpi .k { font-size: 11px; color: var(--text-3); font-weight: 600; margin-bottom: 6px; }
.rep-kpi .v { font-size: 26px; font-weight: 750; color: var(--text-1); letter-spacing: -0.02em; }
.rep-kpi .d { font-size: 11.5px; font-weight: 650; margin-top: 4px; }
.rep-kpi .d.up { color: #ff3b30; }
.rep-kpi .d.down { color: #34c759; }
@media (max-width: 900px) { .rep-kpi-row { grid-template-columns: repeat(2, 1fr); } }

/* 数据源状态 */
.src-oauth {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px; border-radius: 8px;
  background: rgba(255,149,0,0.1); border: 1px solid rgba(255,149,0,0.25);
  color: #ff9500; font-size: 11px; font-weight: 600; cursor: pointer;
}
.src-oauth:hover { background: rgba(255,149,0,0.16); }

/* 报告总览头 */
.rep-summary {
  display: flex; align-items: center; gap: 14px;
  padding: 16px 18px;
  border-radius: 16px;
  background: var(--surface-strong);
  border: 1px solid var(--border);
  animation: fadeUp 0.4s var(--ease) both;
}
.rep-summary-icon {
  width: 48px; height: 48px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  background: var(--accent-grad); color: #fff; font-size: 18px;
  flex-shrink: 0;
}
.rep-summary-body { flex: 1; min-width: 0; }
.rep-summary-body h3 { font-size: 15px; font-weight: 700; margin-bottom: 4px; }
.rep-summary-body p { font-size: 12.5px; color: var(--text-2); line-height: 1.6; }
.rep-summary-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 6px; }
.rep-summary-tag {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 9px; border-radius: 20px;
  font-size: 11px; font-weight: 600;
  background: rgba(10,132,255,0.1); color: var(--accent);
  border: 1px solid rgba(10,132,255,0.2);
}

/* 图表加载占位 */
.chart-skeleton {
  width: 100%; height: 280px;
  background: linear-gradient(90deg, var(--surface-strong) 25%, var(--surface) 50%, var(--surface-strong) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 0 0 16px 16px;
}
@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* 空图表状态 */
.chart-empty {
  height: 280px; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 10px;
  color: var(--text-3); font-size: 13px;
}
.chart-empty i { font-size: 28px; opacity: 0.5; }