/* =========================================================
   Qi-theme · 文章样式系统（post-styles.css）
   作用域：.qi-post（详情） / .qi-card（列表卡片）
   原创演绎 B2 卡片风：圆角 16px、分层阴影、紫粉体系、强留白
   —— 与主题 main.css 用不同变量前缀（--ps-*）避免冲突
   ========================================================= */
.qi-post,
.qi-card {
  --ps-primary: #7c5cff;
  --ps-primary-2: #ff6fb5;
  --ps-ink: #1c1530;
  --ps-ink-2: #5d5872;
  --ps-line: rgba(124, 92, 255, .16);
  --ps-bg-soft: rgba(124, 92, 255, .05);
  --ps-radius: 16px;
  --ps-radius-sm: 10px;
  --ps-shadow-1: 0 2px 8px rgba(28, 21, 48, .06);
  --ps-shadow-2: 0 12px 34px rgba(28, 21, 48, .10);
  --ps-grad: linear-gradient(135deg, var(--ps-primary), var(--ps-primary-2));
  --ps-font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
             "Microsoft YaHei", Roboto, Helvetica, Arial, sans-serif;
}

/* ---------- 详情容器基础 ---------- */
.qi-post {
  max-width: 760px;
  margin: 0 auto;
  color: var(--ps-ink);
  font-family: var(--ps-font);
  font-size: 17px;
  line-height: 1.8;
}
.qi-post * { box-sizing: border-box; }

.qi-post__head { margin: 8px 0 22px; }
.qi-post__kicker {
  display: inline-block; font-size: 12.5px; font-weight: 700; letter-spacing: 1px;
  color: var(--ps-primary); padding: 3px 11px; border-radius: 999px;
  background: var(--ps-bg-soft);
}
.qi-post__title {
  margin: 12px 0 10px; font-size: clamp(26px, 4.4vw, 36px); font-weight: 800;
  line-height: 1.28; letter-spacing: -.4px;
}
.qi-post__meta { color: var(--ps-ink-2); font-size: 14px; }
.qi-post__meta a { color: var(--ps-primary); text-decoration: none; }
.qi-post__body { margin-top: 6px; }
.qi-post__body p { margin: 0 0 1.1em; color: var(--ps-ink-2); }
.qi-post__body h2, .qi-post__body h3 { color: var(--ps-ink); margin: 1.6em 0 .6em; }
.qi-post__body img { max-width: 100%; height: auto; border-radius: var(--ps-radius-sm); }
.qi-post__body a { color: var(--ps-primary); }

/* 通用封面 */
.qi-post__cover { border-radius: var(--ps-radius); overflow: hidden; margin: 18px 0; box-shadow: var(--ps-shadow-1); }
.qi-post__cover img { display: block; width: 100%; height: auto; }

/* =========================================================
   七种样式
   ========================================================= */

/* 1) 原版（默认）—— 标准图文 */
.qi-style-default .qi-post__cover { display: block; }

/* 2) 简洁 —— 窄栏纯阅读，去封面大图与阴影 */
.qi-style-simple.qi-post { max-width: 680px; font-size: 18px; }
.qi-style-simple .qi-post__cover { display: none; }
.qi-style-simple .qi-post__head { text-align: center; border-bottom: none; }
.qi-style-simple .qi-post__kicker { display: none; }
.qi-style-simple .qi-post__title { font-weight: 700; }

/* 3) 大图片 —— 封面全宽，标题叠加图上 */
.qi-style-large .qi-post__cover {
  position: relative; margin: 0 0 20px; border-radius: var(--ps-radius);
  box-shadow: var(--ps-shadow-2); max-height: 420px;
}
.qi-style-large .qi-post__cover img { max-height: 420px; object-fit: cover; }
.qi-style-large .qi-post__head {
  position: relative; margin-top: -120px; padding: 26px 24px 18px;
  border-radius: var(--ps-radius); background: #fff;
  box-shadow: var(--ps-shadow-2); z-index: 2;
}
.qi-style-large .qi-post__title { color: var(--ps-ink); }

/* 4) 小图片 —— 缩略图左对齐，文字环绕 */
.qi-style-small .qi-post__cover {
  float: left; width: 240px; max-width: 42%; margin: 6px 22px 14px 0;
  border-radius: var(--ps-radius-sm);
}
.qi-style-small .qi-post__head { /* 标题在图上时让出空间 */ }
@media (max-width: 560px) {
  .qi-style-small .qi-post__cover { float: none; width: 100%; max-width: 100%; margin: 0 0 16px; }
}

/* 5) 视频 —— 封面替换为播放器（优先视频） */
.qi-style-video .qi-post__cover { display: none; }
.qi-style-video .qi-video-area { margin: 16px 0 20px; }

/* 6) 多图 —— 封面区轮播 */
.qi-style-gallery .qi-post__cover { display: none; }
.qi-style-gallery .qi-gallery { margin: 16px 0 20px; }

/* 7) 音频 —— 顶部音频播放器 */
.qi-style-audio .qi-post__cover { display: none; }
.qi-style-audio .qi-audio-area { margin: 14px 0 20px; }

/* =========================================================
   视频区（懒加载）
   ========================================================= */
.qi-video-area { margin: 0; }
.qi-video {
  position: relative; aspect-ratio: 16 / 9; width: 100%;
  border-radius: var(--ps-radius); overflow: hidden; cursor: pointer;
  background: #15101f; box-shadow: var(--ps-shadow-2);
  display: grid; place-items: center;
}
.qi-video__poster { position: absolute; inset: 0; }
.qi-video__poster img { width: 100%; height: 100%; object-fit: cover; opacity: .82; }
.qi-video__poster--empty { background: radial-gradient(120% 120% at 50% 0%, #2a1d44, #15101f); }
.qi-video__play {
  position: relative; z-index: 2; width: 68px; height: 68px; border-radius: 50%;
  display: grid; place-items: center; color: #fff; background: var(--ps-grad);
  box-shadow: 0 8px 22px rgba(124, 92, 255, .45);
  transition: transform .2s ease;
}
.qi-video:hover .qi-video__play { transform: scale(1.08); }
.qi-video__hint {
  position: absolute; bottom: 14px; z-index: 2; font-size: 13px; color: #fff;
  background: rgba(0, 0, 0, .4); padding: 3px 10px; border-radius: 999px;
}
.qi-video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

/* =========================================================
   音频区
   ========================================================= */
.qi-audio-area audio {
  width: 100%; border-radius: 999px; box-shadow: var(--ps-shadow-1);
}

/* =========================================================
   多图轮播
   ========================================================= */
.qi-gallery {
  position: relative; border-radius: var(--ps-radius); overflow: hidden;
  box-shadow: var(--ps-shadow-2); background: #15101f;
}
.qi-gallery__track { display: flex; transition: transform .4s cubic-bezier(.4, 0, .2, 1); }
.qi-gallery__slide { flex: 0 0 100%; }
.qi-gallery__slide img { display: block; width: 100%; height: auto; max-height: 460px; object-fit: cover; }
.qi-gallery__nav {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 40px; height: 40px; border: 0; border-radius: 50%; cursor: pointer;
  background: rgba(255, 255, 255, .85); color: var(--ps-ink); font-size: 22px; line-height: 1;
  display: grid; place-items: center; box-shadow: var(--ps-shadow-1);
}
.qi-gallery__nav--prev { left: 12px; }
.qi-gallery__nav--next { right: 12px; }
.qi-gallery__dots {
  position: absolute; bottom: 12px; left: 0; right: 0; display: flex; gap: 7px;
  justify-content: center;
}
.qi-gallery__dots span {
  width: 8px; height: 8px; border-radius: 50%; background: rgba(255, 255, 255, .5);
  cursor: pointer; transition: background .2s, width .2s;
}
.qi-gallery__dots span.is-active { background: #fff; width: 20px; border-radius: 999px; }

/* =========================================================
   列表卡片（archive / index 缩略展示）
   ========================================================= */
.qi-card {
  background: #fff; border-radius: var(--ps-radius); overflow: hidden;
  box-shadow: var(--ps-shadow-1); transition: transform .22s ease, box-shadow .22s ease;
  display: flex; flex-direction: column;
}
.qi-card:hover { transform: translateY(-4px); box-shadow: var(--ps-shadow-2); }
.qi-card__media { position: relative; aspect-ratio: 16 / 10; overflow: hidden; background: var(--ps-bg-soft); }
.qi-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.qi-card:hover .qi-card__media img { transform: scale(1.04); }
.qi-card__badge {
  position: absolute; top: 12px; left: 12px; z-index: 2; font-size: 12px; font-weight: 700;
  color: #fff; padding: 3px 10px; border-radius: 999px; background: var(--ps-grad);
}
.qi-card__body { padding: 16px 18px 20px; display: flex; flex-direction: column; gap: 8px; }
.qi-card__title { margin: 0; font-size: 18px; font-weight: 700; color: var(--ps-ink); line-height: 1.4; }
.qi-card__excerpt { margin: 0; font-size: 14px; color: var(--ps-ink-2); line-height: 1.6;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.qi-card__meta { margin-top: auto; font-size: 12.5px; color: var(--ps-ink-2); }

/* 卡片按样式微调缩略 */
.qi-card--simple .qi-card__media { display: none; }
.qi-card--simple { box-shadow: none; border: 1px solid var(--ps-line); }
.qi-card--large .qi-card__media { aspect-ratio: 16 / 9; }
.qi-card--audio .qi-card__media::after {
  content: "♪"; position: absolute; inset: 0; display: grid; place-items: center;
  font-size: 40px; color: var(--ps-primary); background: var(--ps-bg-soft);
}
.qi-card--video .qi-card__media::after {
  content: "▶"; position: absolute; inset: 0; display: grid; place-items: center;
  font-size: 34px; color: #fff; background: rgba(124, 92, 255, .35);
}
.qi-card--gallery .qi-card__media::after {
  content: "▦"; position: absolute; inset: 0; display: grid; place-items: center;
  font-size: 34px; color: var(--ps-primary); background: var(--ps-bg-soft);
}

/* 列表网格 */
.qi-grid { display: grid; gap: 22px; grid-template-columns: repeat(3, 1fr); }
@media (max-width: 960px) { .qi-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .qi-grid { grid-template-columns: 1fr; } }

/* =========================================================
   响应式降级
   ========================================================= */
@media (max-width: 680px) {
  .qi-post { font-size: 16px; }
  .qi-style-large .qi-post__head { margin-top: -72px; padding: 18px 16px 12px; }
  .qi-style-large .qi-post__cover,
  .qi-style-large .qi-post__cover img { max-height: 260px; }
  .qi-gallery__slide img { max-height: 300px; }
}
@media (max-width: 520px) {
  .qi-style-small .qi-post__cover { float: none; width: 100%; max-width: 100%; margin: 0 0 14px; }
  .qi-card__body { padding: 14px; }
}

/* 减少动效偏好 */
@media (prefers-reduced-motion: reduce) {
  .qi-post *, .qi-card * { transition: none !important; }
}