/* ==========================================================================
   独立站运营 11 页 —— 图文组件库
   所有图片统一走 .fig / .fig-img，后台「图片管理」按 data-img 键替换
   ========================================================================== */

/* ---------- 首屏以下的分节标题 ---------- */
.ops-sec { padding: 74px 0; }
.ops-sec:nth-of-type(even) { background: #f7f9fc; }
.ops-sec-head { max-width: 860px; margin: 0 auto 40px; text-align: center; }
.ops-sec-head .eyebrow {
  display: inline-block; font-size: 13px; letter-spacing: 2px; color: #ff6700;
  font-weight: 700; margin-bottom: 12px; text-transform: uppercase;
}
.ops-sec-head h2 { font-size: 30px; line-height: 1.35; margin: 0 0 14px; color: #16213e; }
.ops-sec-head p { font-size: 16px; color: #667085; line-height: 1.85; margin: 0; }
.ops-sec-head.left { margin-left: 0; text-align: left; }

/* ---------- 正文排版 ---------- */
.ops-prose { max-width: 860px; margin: 0 auto; }
.ops-prose h3 { font-size: 21px; color: #16213e; margin: 32px 0 12px; }
.ops-prose p { font-size: 16px; line-height: 1.95; color: #475467; margin: 0 0 16px; }
.ops-prose ul { margin: 0 0 20px; padding-left: 22px; }
.ops-prose li { font-size: 16px; line-height: 1.9; color: #475467; margin-bottom: 8px; }

/* ---------- 单图 ---------- */
.fig { margin: 34px 0; }
.fig-img {
  display: block; width: 100%; height: auto; border-radius: 14px;
  box-shadow: 0 10px 34px rgba(22, 33, 62, .10); background: #eef2f7;
}
.fig-cap {
  margin-top: 12px; font-size: 13.5px; color: #8a94a8; text-align: center; line-height: 1.7;
}

/* ---------- 图文左右布局 ---------- */
.fig-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 52px; align-items: center;
  margin: 44px 0;
}
.fig-row.reverse .fig-text { order: 2; }
.fig-row.reverse .fig { order: 1; }
.fig-row .fig { margin: 0; }
.fig-text h3 { font-size: 23px; color: #16213e; margin: 0 0 14px; line-height: 1.4; }
.fig-text p { font-size: 15.5px; line-height: 1.95; color: #475467; margin: 0 0 14px; }
.fig-text ul { padding-left: 20px; margin: 0 0 16px; }
.fig-text li { font-size: 15.5px; line-height: 1.85; color: #475467; margin-bottom: 8px; }
.fig-text li::marker { color: #ff6700; }

/* ---------- 图片网格（用于案例、图标组） ---------- */
.fig-grid { display: grid; gap: 26px; margin: 40px 0; }
.fig-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.fig-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.fig-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.fig-grid .fig { margin: 0; }

/* ---------- 案例卡 ---------- */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin: 42px 0; }
.case-card {
  background: #fff; border: 1px solid #e8edf5; border-radius: 16px; overflow: hidden;
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.case-card:hover { transform: translateY(-4px); box-shadow: 0 16px 40px rgba(22, 33, 62, .12); border-color: #ffd4b8; }
.case-card .case-thumb { display: block; aspect-ratio: 16 / 10; overflow: hidden; background: #eef2f7; }
.case-card .case-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .4s; }
.case-card:hover .case-thumb img { transform: scale(1.04); }
.case-card .case-body { padding: 18px 20px 20px; }
.case-card .case-name { font-size: 16px; font-weight: 700; color: #16213e; margin: 0 0 6px; }
.case-card .case-meta { font-size: 13px; color: #8a94a8; margin: 0 0 14px; word-break: break-all; }
.case-card .case-link { font-size: 14px; font-weight: 600; color: #ff6700; text-decoration: none; }
.case-card .case-link:hover { text-decoration: underline; }

/* ---------- 图标特性卡 ---------- */
.feat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin: 38px 0; }
.feat-card {
  background: #fff; border: 1px solid #e8edf5; border-radius: 14px; padding: 26px 24px;
  transition: transform .22s, box-shadow .22s;
}
.feat-card:hover { transform: translateY(-3px); box-shadow: 0 12px 30px rgba(22, 33, 62, .09); }
.feat-card .feat-icon {
  width: 56px; height: 56px; border-radius: 14px; display: flex; align-items: center;
  justify-content: center; background: #fff4ec; margin-bottom: 16px; overflow: hidden;
}
.feat-card .feat-icon img { max-width: 36px; max-height: 36px; object-fit: contain; display: block; }
.feat-card h4 { font-size: 16.5px; color: #16213e; margin: 0 0 8px; line-height: 1.45; }
.feat-card p { font-size: 14.5px; line-height: 1.8; color: #667085; margin: 0; }

/* ---------- 数字条 ---------- */
.stat-bar { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin: 40px 0; }
.stat-item { text-align: center; padding: 26px 14px; background: #fff; border-radius: 14px; border: 1px solid #e8edf5; }
.stat-item b { display: block; font-size: 30px; color: #ff6700; line-height: 1.2; font-weight: 800; }
.stat-item span { display: block; margin-top: 6px; font-size: 13.5px; color: #667085; }

/* ---------- AI 工具库 ---------- */
.tool-tabs { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin: 0 0 38px; }
.tool-tab {
  padding: 9px 20px; border-radius: 999px; border: 1px solid #e2e8f2; background: #fff;
  font-size: 14.5px; color: #475467; cursor: pointer; transition: all .2s;
}
.tool-tab:hover { border-color: #ffb27a; color: #ff6700; }
.tool-tab.on { background: #ff6700; border-color: #ff6700; color: #fff; font-weight: 600; }
.tool-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.tool-card {
  background: #fff; border: 1px solid #e8edf5; border-radius: 14px; padding: 22px 22px 18px;
  transition: transform .2s, box-shadow .2s, border-color .2s;
}
.tool-card:hover { transform: translateY(-3px); box-shadow: 0 12px 30px rgba(22, 33, 62, .09); border-color: #ffd4b8; }
.tool-card .tool-tag {
  display: inline-block; font-size: 11.5px; color: #ff6700; background: #fff4ec;
  padding: 3px 9px; border-radius: 6px; margin-bottom: 12px; font-weight: 600;
}
.tool-card h4 { font-size: 16px; color: #16213e; margin: 0 0 8px; line-height: 1.45; }
.tool-card p { font-size: 14px; line-height: 1.75; color: #667085; margin: 0 0 14px; min-height: 44px; }
.tool-card .tool-nums { display: flex; gap: 14px; font-size: 12.5px; color: #98a2b3; border-top: 1px solid #f0f3f8; padding-top: 12px; }
.tool-card .tool-nums b { color: #475467; font-weight: 600; }

/* ---------- 锚点导航 ---------- */
.ops-anchor { background: #fff; border-bottom: 1px solid #e8edf5; position: sticky; top: 0; z-index: 30; }
.ops-anchor .inner { display: flex; gap: 28px; overflow-x: auto; padding: 0 0; }
.ops-anchor a {
  padding: 15px 2px; font-size: 14.5px; color: #667085; text-decoration: none;
  white-space: nowrap; border-bottom: 2px solid transparent; transition: all .2s;
}
.ops-anchor a:hover { color: #ff6700; border-bottom-color: #ff6700; }

/* ---------- 相关页面推荐 ---------- */
.rel-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 34px; }
.rel-card {
  display: block; padding: 22px 22px; background: #fff; border: 1px solid #e8edf5;
  border-radius: 14px; text-decoration: none; transition: all .22s;
}
.rel-card:hover { border-color: #ffd4b8; box-shadow: 0 10px 26px rgba(22, 33, 62, .08); transform: translateY(-3px); }
.rel-card b { display: block; font-size: 16px; color: #16213e; margin-bottom: 6px; }
.rel-card span { font-size: 13.5px; color: #8a94a8; line-height: 1.65; }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .fig-row { grid-template-columns: 1fr; gap: 28px; }
  .fig-row.reverse .fig-text, .fig-row.reverse .fig { order: 0; }
  .feat-grid, .case-grid, .tool-grid, .rel-grid { grid-template-columns: repeat(2, 1fr); }
  .fig-grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
  .stat-bar { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .ops-sec { padding: 48px 0; }
  .ops-sec-head h2 { font-size: 23px; }
  .feat-grid, .case-grid, .tool-grid, .rel-grid, .fig-grid.cols-2,
  .fig-grid.cols-3, .fig-grid.cols-4 { grid-template-columns: 1fr; }
  .stat-bar { grid-template-columns: 1fr 1fr; }
  .tool-card p { min-height: 0; }
}

/* ---------- 后台图片可替换的可视提示（仅登录后台时出现） ---------- */
body.is-admin .fig-img { outline: 2px dashed rgba(255, 103, 0, .35); outline-offset: 3px; cursor: pointer; }