/* AI驿站工具箱 · 全站唯一样式表 */
:root {
  --primary: #1F3A8A;
  --primary-dark: #162B66;
  --primary-soft: #EAF0FB;
  --accent: #E8B93E;
  --bg: #F5F7FC;
  --card: #FFFFFF;
  --text: #1B2437;
  --muted: #5C6575;
  --border: #E2E7F0;
  --good: #0E8A5F;
  --radius: 12px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.num, input[type="number"] {
  font-variant-numeric: tabular-nums;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "PingFang SC", "Microsoft YaHei", monospace;
}

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 16px; }

/* 顶部品牌条 */
.topbar {
  background: var(--card);
  border-bottom: 1px solid var(--border);
}
.topbar .wrap {
  display: flex;
  align-items: center;
  min-height: 56px;
}
.brand {
  font-size: 17px;
  font-weight: 700;
  color: var(--primary);
}
.brand:hover { text-decoration: none; color: var(--primary-dark); }
.topbar .crumb { color: var(--muted); font-size: 14px; margin-left: 10px; }

/* 首屏 */
.hero { padding: 40px 0 8px; text-align: center; }
.hero h1 { font-size: 28px; color: var(--primary); letter-spacing: 1px; }
.hero .tagline { margin-top: 10px; color: var(--muted); font-size: 15px; }

/* 定义先行段（GEO） */
.lede {
  background: var(--primary-soft);
  border: 1px solid #D4E0F5;
  border-radius: var(--radius);
  padding: 14px 18px;
  margin: 24px 0;
  color: #33415E;
  font-size: 14px;
}

/* 模块导航卡 */
.module-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin: 28px 0 40px;
}
.module-card {
  display: block;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 18px;
  min-height: 110px;
  color: var(--text);
}
.module-card:hover { text-decoration: none; }
.module-card.active { border-color: var(--primary); box-shadow: 0 2px 10px rgba(31, 58, 138, 0.08); }
.module-card.active:hover { border-color: var(--primary-dark); }
.module-card.disabled { opacity: 0.55; cursor: default; }
.module-card .icon { color: var(--primary); }
.module-card .icon svg { width: 28px; height: 28px; display: block; }
.module-card h3 { font-size: 16px; margin-top: 8px; }
.module-card p { font-size: 13px; color: var(--muted); margin-top: 4px; }
.module-card .soon {
  display: inline-block;
  margin-top: 8px;
  font-size: 12px;
  color: var(--muted);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 2px 10px;
}
.module-card.active .go {
  display: inline-block;
  margin-top: 8px;
  font-size: 13px;
  color: var(--primary);
  font-weight: 600;
}

/* 计算器控件区 */
.panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 18px;
  margin-bottom: 18px;
}
.panel h2 { font-size: 16px; margin-bottom: 14px; }
.panel-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 14px; }
.panel-head h2 { margin-bottom: 0; }
.toggle-models {
  min-height: 44px;
  border: 1.5px solid var(--border);
  background: var(--card);
  border-radius: 10px;
  padding: 0 14px;
  font-size: 13px;
  color: var(--primary);
  cursor: pointer;
  white-space: nowrap;
}
.selected-chips { display: none; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.sel-chip {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  min-height: 36px;
  border: 1px solid var(--primary);
  color: var(--primary);
  background: var(--primary-soft);
  border-radius: 999px;
  padding: 0 4px 0 12px;
  font-size: 13px;
}
.sel-chip button {
  border: none;
  background: none;
  color: var(--primary);
  font-size: 13px;
  width: 32px;
  height: 32px;
  cursor: pointer;
  line-height: 1;
}
#modelGrid.collapsed { display: none; }

.model-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}
.model-card {
  display: flex;
  align-items: center;
  gap: 12px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
  min-height: 44px;
  cursor: pointer;
  background: var(--card);
  transition: border-color 0.15s;
}
.model-card.checked { border-color: var(--primary); background: var(--primary-soft); }
.model-card input[type="checkbox"] { width: 20px; height: 20px; accent-color: var(--primary); flex-shrink: 0; }
.model-card .m-info { flex: 1; min-width: 0; }
.model-card .m-name { font-size: 14px; font-weight: 600; }
.model-card .m-vendor { font-size: 12px; color: var(--muted); }
.model-card .m-price { font-size: 12px; color: var(--muted); text-align: right; line-height: 1.4; }
.model-card .tag-peak {
  display: inline-block;
  font-size: 11px;
  color: var(--primary);
  border: 1px solid var(--primary);
  border-radius: 4px;
  padding: 0 5px;
  margin-left: 6px;
  vertical-align: 1px;
}

/* 模态/特点标签 */
.m-tags { display: inline-flex; flex-wrap: wrap; gap: 4px; margin-top: 5px; }
.tag {
  font-size: 11px;
  line-height: 1.7;
  border-radius: 4px;
  padding: 0 6px;
  white-space: nowrap;
}
.tag-mod { color: var(--primary); border: 1px solid #C7D5F0; background: #F0F5FE; }
.tag-feat { color: var(--muted); border: 1px solid var(--border); background: var(--bg); }
.result-card .m-tags { margin-top: 6px; }

.field-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
.field label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; }
.field input[type="number"] {
  width: 100%;
  min-height: 44px;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  padding: 8px 12px;
  font-size: 16px;
  color: var(--text);
  background: var(--card);
}
.field input[type="number"]:focus { outline: none; border-color: var(--primary); }

.switch-row {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 44px;
}
.switch { position: relative; width: 48px; height: 28px; flex-shrink: 0; }
.switch input { opacity: 0; width: 100%; height: 100%; position: absolute; cursor: pointer; margin: 0; }
.switch .slider-ui {
  position: absolute;
  inset: 0;
  background: #C6CEDD;
  border-radius: 999px;
  transition: background 0.15s;
  pointer-events: none;
}
.switch .slider-ui::after {
  content: "";
  position: absolute;
  width: 22px;
  height: 22px;
  left: 3px;
  top: 3px;
  background: #fff;
  border-radius: 50%;
  transition: transform 0.15s;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}
.switch input:checked + .slider-ui { background: var(--primary); }
.switch input:checked + .slider-ui::after { transform: translateX(20px); }
.switch-row .s-label { font-size: 14px; }
.switch-row .s-hint { font-size: 12px; color: var(--muted); }

.slider-row { display: flex; align-items: center; gap: 14px; min-height: 48px; }
.slider-row input[type="range"] {
  flex: 1;
  height: 40px;
  accent-color: var(--primary);
  cursor: pointer;
}
.slider-row .s-val {
  min-width: 52px;
  text-align: right;
  font-size: 15px;
  font-weight: 600;
  color: var(--primary);
}

/* 结果区 */
.summary {
  background: var(--primary);
  color: #fff;
  border-radius: var(--radius);
  padding: 16px 18px;
  font-size: 15px;
  margin-bottom: 16px;
}
.summary .num { font-weight: 700; }

.result-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  margin-bottom: 12px;
  position: relative;
}
.result-card.best { border-color: var(--accent); box-shadow: 0 2px 10px rgba(232, 185, 62, 0.18); }
.result-card .r-head { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.result-card .r-name { font-size: 15px; font-weight: 600; }
.result-card .r-name-link { color: inherit; }
.result-card .r-name-link:hover { color: var(--primary); text-decoration: underline; }
.result-card .r-vendor { font-size: 12px; color: var(--muted); font-weight: 400; margin-left: 6px; }
.result-card .r-cost { font-size: 22px; font-weight: 700; color: var(--primary); }
.result-card.best .r-cost { color: var(--good); }
.result-card .r-detail { display: flex; flex-wrap: wrap; gap: 6px 18px; margin-top: 8px; font-size: 13px; color: var(--muted); }
.result-card .r-mult { color: var(--text); }
.badge-best {
  display: inline-block;
  background: var(--accent);
  color: #4A3600;
  font-size: 12px;
  font-weight: 700;
  border-radius: 999px;
  padding: 2px 10px;
  margin-left: 8px;
  vertical-align: 2px;
}
.methodology {
  margin-top: 16px;
  padding: 12px 16px;
  background: var(--primary-soft);
  border-left: 3px solid var(--primary);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 14px;
  color: #33415E;
}
.disclaimer { margin-top: 12px; font-size: 12px; color: var(--muted); }
.empty-hint { text-align: center; color: var(--muted); padding: 28px 0; font-size: 14px; }

/* 表格（模型档案/对比页） */
.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
}
table.spec { border-collapse: collapse; width: 100%; font-size: 14px; }
table.spec.wide { min-width: 560px; }
table.spec th, table.spec td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}
table.spec tr:last-child th, table.spec tr:last-child td { border-bottom: none; }
table.spec thead th {
  background: var(--primary-soft);
  color: var(--primary);
  font-weight: 600;
  white-space: nowrap;
}
table.spec tbody th { white-space: nowrap; color: var(--muted); font-weight: 500; }
table.spec td.num { font-variant-numeric: tabular-nums; }
.win { color: var(--good); font-weight: 700; }
svg.yn { width: 14px; height: 14px; vertical-align: -2px; }

/* 按钮与 CTA */
.btn {
  display: inline-block;
  min-height: 44px;
  line-height: 44px;
  padding: 0 18px;
  border-radius: 10px;
  font-size: 14px;
  border: none;
  cursor: pointer;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-ghost { border: 1.5px solid var(--primary); color: var(--primary); background: var(--card); }
.cta-row { display: flex; flex-wrap: wrap; gap: 10px; margin: 16px 0 24px; }

/* 对比选择器 */
.sel-compare { display: grid; grid-template-columns: 1fr; gap: 12px; }
.sel-compare select {
  width: 100%;
  min-height: 44px;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  padding: 8px 12px;
  font-size: 15px;
  background: var(--card);
  color: var(--text);
}
@media (min-width: 720px) {
  .sel-compare { grid-template-columns: 1fr 1fr auto; align-items: center; }
}
.lib-meta { font-size: 12px; color: var(--muted); margin-top: 6px; }

/* quiz 段位测试 */
.quiz-progress-text { font-size: 13px; color: var(--muted); }
.quiz-progress { height: 6px; background: var(--border); border-radius: 999px; overflow: hidden; margin: 8px 0 16px; }
.quiz-progress i { display: block; height: 100%; background: var(--primary); width: 0; transition: width 0.2s; }
.quiz-q { font-size: 17px; font-weight: 600; margin-bottom: 16px; line-height: 1.5; }
.opt-btn {
  display: block;
  width: 100%;
  min-height: 52px;
  text-align: left;
  background: var(--card);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  font-size: 15px;
  line-height: 1.5;
  margin-bottom: 10px;
  cursor: pointer;
  color: var(--text);
}
.opt-btn:active { border-color: var(--primary); background: var(--primary-soft); }
.tier-name { font-size: 30px; color: var(--primary); font-weight: 700; }
.tier-comment { color: var(--muted); margin-top: 6px; font-size: 14px; }
.poster-img { width: 100%; border-radius: var(--radius); border: 1px solid var(--border); display: block; }
.quiz-actions { display: flex; flex-direction: column; gap: 10px; margin-top: 16px; }
.quiz-actions .btn { text-align: center; }
.review-list { padding-left: 18px; font-size: 13px; color: var(--muted); }
.review-list li { margin-bottom: 6px; line-height: 1.6; }
.review-list b { color: var(--primary); }
@media (min-width: 720px) {
  .quiz-actions { flex-direction: row; }
}

/* 工具库 / Prompt 库 */
.group-title { font-size: 17px; margin: 24px 0 12px; color: var(--primary); }
.tool-grid { display: grid; grid-template-columns: 1fr; gap: 12px; }
.tool-grid .result-card { margin-bottom: 0; display: flex; flex-direction: column; }
.tool-grid .cta-row { margin: auto 0 0; padding-top: 12px; }
@media (min-width: 720px) {
  .tool-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .tool-grid { grid-template-columns: repeat(3, 1fr); }
}
.free-badge {
  font-size: 11px;
  border-radius: 4px;
  padding: 1px 6px;
  margin-left: 8px;
  vertical-align: 2px;
  font-weight: 500;
}
.free-免费 { color: var(--good); border: 1px solid var(--good); }
.free-freemium { color: var(--primary); border: 1px solid var(--primary); }
.free-付费 { color: #B25E09; border: 1px solid var(--accent); }
.own-badge { color: #fff; background: var(--primary); border: 1px solid var(--primary); }
.btn-s { min-height: 40px; line-height: 40px; padding: 0 14px; font-size: 13px; }
.prompt-text {
  white-space: pre-wrap;
  background: var(--bg);
  border-radius: 8px;
  padding: 12px 14px;
  font-size: 13px;
  color: var(--text);
  margin: 10px 0 8px;
  font-family: inherit;
  line-height: 1.7;
}
.toast {
  position: fixed;
  left: 50%;
  bottom: 90px;
  transform: translateX(-50%);
  background: rgba(27, 36, 55, 0.92);
  color: #fff;
  padding: 10px 22px;
  border-radius: 999px;
  font-size: 14px;
  z-index: 100;
  opacity: 0;
  transition: opacity 0.2s;
  pointer-events: none;
}
.toast.show { opacity: 1; }

/* 吸底结果条（仅移动端） */
.sticky-summary { display: none; }
@media (max-width: 719px) {
  body { padding-bottom: 76px; }
  .sticky-summary.show {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 50;
    background: var(--primary);
    color: #fff;
    padding: 14px 16px calc(14px + env(safe-area-inset-bottom));
    font-size: 14px;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.15);
    cursor: pointer;
  }
  .sticky-summary .ss-num { font-weight: 700; }
  .sticky-summary .ss-go { font-size: 13px; opacity: 0.85; white-space: nowrap; }
}

/* 公众号推广卡 */
.mp-card {
  display: flex;
  align-items: center;
  gap: 18px;
  background: var(--card);
  border: 1px solid var(--border);
  border-left: 4px solid #07C160;
  border-radius: var(--radius);
  padding: 20px;
  margin: 8px 0 24px;
}
.mp-card .mp-qr {
  width: 108px;
  height: 108px;
  border-radius: 8px;
  border: 1px solid var(--border);
  flex-shrink: 0;
}
.mp-card .mp-text h2 { font-size: 16px; }
.mp-card .mp-text h2 .mp-name { color: #07C160; }
.mp-card .mp-text p { font-size: 13px; color: var(--muted); margin-top: 4px; }
.mp-card .mp-hint { color: #07C160; font-weight: 600; }

/* 页脚 */
footer {
  border-top: 1px solid var(--border);
  margin-top: 48px;
  padding: 24px 0 40px;
  font-size: 13px;
  color: var(--muted);
  text-align: center;
}
footer p { margin: 4px 0; }

/* 桌面端响应式 */
@media (min-width: 720px) {
  .hero { padding: 64px 0 16px; }
  .hero h1 { font-size: 36px; }
  .module-grid { grid-template-columns: repeat(3, 1fr); gap: 18px; }
  .model-grid { grid-template-columns: repeat(3, 1fr); }
  .field-grid { grid-template-columns: repeat(3, 1fr); }
  .result-card .r-cost { font-size: 26px; }
}