/* 绘念影视 · 设计语言完全继承「绘念の窝」博客（bitnb.io 式暖纸白编辑风）
   暖纸白 / 暖棕黑 / 米色描边 / 陶土色点缀 / 等宽小标签
   布局参考 Streamit / StreamLab：大图 Hero 轮播 + 竖版海报墙 */

:root {
  --bg: #f8f4ef;          /* 暖纸白 */
  --bg-soft: #f0ece6;     /* 浅暖灰 */
  --surface: #ffffff;
  --border: #e4ddd1;      /* 米色描边 */
  --text: #2e2521;        /* 暖棕黑 */
  --muted: #6f6660;       /* 暖灰 */
  --accent: #9c5b43;      /* 陶土色 */
  --accent-soft: rgba(156, 91, 67, .12);
  --mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace;
  --sans: "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --radius: .4rem;
  --maxw: 1080px;
  --shadow: 0 1px 2px rgba(46, 37, 33, .05), 0 8px 24px rgba(46, 37, 33, .05);
}

[data-theme="dark"] {
  --bg: #181514;
  --bg-soft: #221d1a;
  --surface: #221d1a;
  --border: #3a322d;
  --text: #f3ede4;
  --muted: #a89e92;
  --accent: #c98b6f;
  --accent-soft: rgba(201, 139, 111, .16);
  --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 12px 30px rgba(0, 0, 0, .35);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; } /* 防止 author display 覆盖 hidden 语义 */
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: var(--sans); line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { display: block; }
button { font-family: inherit; }
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }

/* ---------- header（与博客同款：sticky + 毛玻璃 + 细分隔线） ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; gap: 18px; height: 68px; }
.brand { font-weight: 800; letter-spacing: -.02em; font-size: 1.1rem; white-space: nowrap; }
.site-nav { margin-left: auto; display: flex; gap: 28px; }
.site-nav a {
  white-space: nowrap; font-family: var(--mono); font-size: .76rem; letter-spacing: .16em;
  color: var(--muted); padding: 6px 0; border-bottom: 1px solid transparent;
  transition: color .15s ease, border-color .15s ease;
}
.site-nav a:hover, .site-nav a.active { color: var(--text); }
.site-nav a.active { border-bottom-color: var(--text); }
.theme-toggle {
  width: 34px; height: 34px; border-radius: 50%;
  border: 1px solid var(--border); background: var(--surface);
  color: var(--text); cursor: pointer; font-size: .9rem; line-height: 1;
  transition: border-color .15s ease, color .15s ease;
}
.theme-toggle:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- Hero 大图轮播（布局参考 Streamit：背景海报即背景） ---------- */
.hero-feature {
  position: relative; margin: 0 -28px;               /* 破出 container，做通栏 */
  min-height: 540px; display: flex; align-items: center; overflow: hidden;
}
.hero-bg, .hero-bg img { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-bg img {
  object-fit: cover; object-position: center 18%;
  opacity: 0; transition: opacity .9s ease;
}
.hero-bg img.show { opacity: 1; }
.hero-shade {
  position: absolute; inset: 0;
  background:
    linear-gradient(90deg, var(--bg) 6%, color-mix(in srgb, var(--bg) 78%, transparent) 36%, color-mix(in srgb, var(--bg) 22%, transparent) 70%, color-mix(in srgb, var(--bg) 55%, transparent) 100%),
    linear-gradient(0deg, var(--bg) 2%, transparent 44%);
}
.hero-inner {
  position: relative; z-index: 2; width: 100%;
  display: flex; align-items: center; gap: 40px;
  max-width: var(--maxw); margin: 0 auto; padding: 60px 28px;
}
.hero-content { max-width: 540px; flex: 1 1 auto; min-width: 0; }
.hero-tag {
  display: inline-block; margin: 0 0 12px;
  font-family: var(--mono); font-size: .7rem; letter-spacing: .16em;
  color: var(--accent); background: var(--accent-soft);
  border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
  padding: 3px 11px; border-radius: 3px;
}
.hero-title {
  margin: 0 0 10px; font-size: clamp(1.8rem, 4vw, 2.9rem);
  font-weight: 900; letter-spacing: -.01em; line-height: 1.18;
  text-shadow: 0 2px 24px color-mix(in srgb, var(--bg) 70%, transparent);
}
.hero-meta { display: flex; flex-wrap: wrap; gap: 7px; margin: 0 0 12px; }
.hero-meta span {
  font-family: var(--mono); font-size: .7rem; letter-spacing: .06em;
  color: var(--text); border: 1px solid color-mix(in srgb, var(--text) 30%, transparent);
  padding: 2px 9px; border-radius: 3px;
}
.hero-meta span.score { color: #b07d2b; border-color: rgba(176, 125, 43, .45); }
[data-theme="dark"] .hero-meta span.score { color: #ffcf6f; border-color: rgba(255, 207, 111, .4); }
.hero-desc {
  margin: 0 0 14px; color: var(--muted); font-size: .9rem; line-height: 1.85;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.hero-info { display: flex; flex-direction: column; gap: 3px; margin-bottom: 24px; font-size: .84rem; }
.hero-info .row { display: flex; gap: 10px; min-width: 0; }
.hero-info .label { color: var(--accent); flex: 0 0 auto; }
.hero-info .val { color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hero-play {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--accent); color: #fff; border: none; cursor: pointer;
  font-size: .92rem; font-weight: 700; letter-spacing: .04em;
  padding: 12px 32px; border-radius: var(--radius);
  transition: filter .15s ease, transform .15s ease;
}
.hero-play:hover { filter: brightness(1.1); transform: translateY(-2px); }
.play-tri { font-size: .7rem; }

/* Hero 右侧海报栏 */
.hero-rail { flex: 0 0 auto; display: flex; flex-direction: column; gap: 12px; }
.hero-thumbs { display: flex; gap: 10px; }
.hero-thumb {
  width: 86px; aspect-ratio: 2 / 3; border-radius: var(--radius); overflow: hidden;
  border: 2px solid transparent; opacity: .5; cursor: pointer; padding: 0;
  background: var(--bg-soft); color: var(--muted);
  font-family: var(--mono); font-size: .58rem; letter-spacing: .08em;
  transition: opacity .2s ease, border-color .2s ease, transform .2s ease;
}
.hero-thumb img { width: 100%; height: 100%; object-fit: cover; }
.hero-thumb:hover { opacity: .85; transform: translateY(-3px); }
.hero-thumb.active { opacity: 1; border-color: var(--accent); }
.hero-thumb.txt { display: grid; place-items: center; }
.hero-arrows { display: flex; gap: 10px; justify-content: flex-end; }
.hero-arrows button {
  width: 34px; height: 34px; border-radius: 50%;
  border: 1px solid var(--border); background: var(--surface);
  color: var(--text); font-size: 1.1rem; line-height: 1; cursor: pointer;
  transition: border-color .15s ease, color .15s ease;
}
.hero-arrows button:hover { border-color: var(--accent); color: var(--accent); }
.hero-dots { position: absolute; bottom: 16px; left: 50%; transform: translateX(-50%); display: flex; gap: 8px; z-index: 2; }
.hero-dots button {
  width: 8px; height: 8px; border-radius: 99px; border: none; padding: 0; cursor: pointer;
  background: color-mix(in srgb, var(--text) 25%, transparent);
  transition: background .15s ease, width .15s ease;
}
.hero-dots button.active { background: var(--accent); width: 22px; }

/* ---------- 示例数据提示 ---------- */
.demo-banner {
  margin: 22px 0 0; padding: 10px 16px; font-size: .82rem; color: var(--muted);
  background: var(--accent-soft); border: 1px solid color-mix(in srgb, var(--accent) 25%, transparent);
  border-radius: var(--radius);
}
.demo-banner b { color: var(--accent); }
.demo-banner code { color: var(--accent); font-family: var(--mono); }

/* ---------- 区块头 + 资源站切换 ---------- */
.section-head { display: flex; align-items: center; gap: 16px; margin: 26px 0 6px; flex-wrap: wrap; }
.source-row { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.section-count { margin: 0; font-family: var(--mono); font-size: .74rem; letter-spacing: .14em; color: var(--muted); }
.source-tabs { display: flex; gap: 6px; }
.src-tab {
  font-family: var(--mono); font-size: .72rem; letter-spacing: .1em;
  padding: 6px 14px; border-radius: 999px; cursor: pointer;
  border: 1px solid var(--border); background: transparent; color: var(--muted);
  transition: color .15s ease, border-color .15s ease, background .15s ease;
}
.src-tab:hover { color: var(--text); border-color: var(--accent); }
.src-tab.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.search {
  margin-left: auto; width: 230px; padding: 9px 15px;
  border: 1px solid var(--border); border-radius: 999px;
  background: var(--surface); color: var(--text);
  font-size: .84rem; outline: none;
  transition: border-color .15s ease, width .25s ease;
}
.search:focus { border-color: var(--accent); width: 270px; }
.search::placeholder { color: var(--muted); }

/* ---------- 分类筛选（胶囊 chips，父/子两级） ---------- */
.cat-bar { margin: 20px 0 4px; display: flex; flex-direction: column; gap: 10px; }
.cat-row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.cat-chip {
  font-size: .8rem; letter-spacing: .02em;
  padding: 6px 15px; border: 1px solid var(--border); border-radius: 999px;
  background: transparent; color: var(--muted); cursor: pointer;
  transition: color .15s ease, border-color .15s ease, background .15s ease;
}
.cat-chip:hover { color: var(--text); border-color: var(--accent); }
.cat-chip.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.cat-row-sub .cat-chip { font-size: .74rem; padding: 4px 12px; }

/* ---------- 海报墙（布局参考 Streamit：竖版 2:3 海报） ---------- */
.video-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(158px, 1fr));
  gap: 24px 16px; padding: 18px 0 6px;
}
.video-card { display: block; min-width: 0; cursor: pointer; }
.poster-box {
  position: relative; aspect-ratio: 2 / 3; border-radius: var(--radius); overflow: hidden;
  background: var(--bg-soft); border: 1px solid var(--border);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.video-card:hover .poster-box {
  transform: translateY(-5px); box-shadow: var(--shadow); border-color: var(--accent);
}
.poster-box img { width: 100%; height: 100%; object-fit: cover; }
.no-poster {
  position: absolute; inset: 0; display: grid; place-items: center;
  font-family: var(--mono); font-size: .64rem; letter-spacing: .14em; color: var(--muted);
  background: repeating-linear-gradient(45deg, var(--bg-soft) 0 10px, var(--surface) 10px 20px);
}
.poster-badge {
  position: absolute; left: 8px; bottom: 8px;
  font-family: var(--mono); font-size: .64rem; letter-spacing: .04em;
  background: rgba(0, 0, 0, .68); color: #f2eff2; padding: 2px 8px; border-radius: 3px;
}
.poster-score {
  position: absolute; right: 8px; top: 8px;
  font-family: var(--mono); font-size: .68rem; color: #ffcf6f;
  background: rgba(0, 0, 0, .62); padding: 1px 7px; border-radius: 3px;
}
.poster-play {
  position: absolute; inset: 0; display: grid; place-items: center;
  background: color-mix(in srgb, var(--bg) 30%, transparent);
  opacity: 0; transition: opacity .2s ease;
}
.poster-play i {
  font-style: normal; width: 44px; height: 44px; border-radius: 50%;
  display: grid; place-items: center; font-size: .74rem; padding-left: 3px;
  background: var(--accent); color: #fff;
}
.video-card:hover .poster-play { opacity: 1; }
.poster-title {
  margin: 10px 0 2px; font-size: .88rem; font-weight: 600; line-height: 1.4;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.poster-sub { margin: 0; font-family: var(--mono); font-size: .68rem; letter-spacing: .05em; color: var(--muted); }

/* ---------- 分页 ---------- */
.pager { display: flex; justify-content: center; align-items: center; gap: 14px; margin: 36px 0 10px; }
.pager-btn {
  padding: 9px 20px; border-radius: 999px; border: 1px solid var(--border);
  background: var(--surface); color: var(--text); cursor: pointer; font-size: .84rem;
  transition: border-color .15s ease, color .15s ease;
}
.pager-btn:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); }
.pager-btn:disabled { opacity: .35; cursor: default; }
.pager-info { font-family: var(--mono); font-size: .76rem; color: var(--muted); letter-spacing: .08em; }

/* ---------- 三态 ---------- */
.state { text-align: center; padding: 90px 0; }
.state-big { margin: 0 0 10px; font-size: 1.4rem; font-weight: 800; letter-spacing: .02em; }
.state-text { margin: 0; color: var(--muted); font-size: .9rem; }
.state-loading { padding: 120px 0; }
.state-loading .state-text { font-family: var(--mono); letter-spacing: .3em; }
.dots i { animation: blink 1.2s infinite; font-style: normal; }
.dots i:nth-child(2) { animation-delay: .2s; }
.dots i:nth-child(3) { animation-delay: .4s; }
@keyframes blink { 0%, 60% { opacity: .2; } 30% { opacity: 1; } }
.retry {
  margin-top: 20px; padding: 10px 26px; border-radius: 999px;
  border: 1px solid var(--accent); background: transparent; color: var(--accent);
  cursor: pointer; font-size: .88rem;
  transition: background .15s ease, color .15s ease;
}
.retry:hover { background: var(--accent); color: #fff; }

/* ---------- 播放弹窗 ---------- */
.player-modal {
  position: fixed; inset: 0; z-index: 100;
  display: grid; place-items: center;
  background: rgba(10, 8, 7, .82); backdrop-filter: blur(6px);
}
.player-box {
  position: relative; width: min(920px, 94vw);
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 12px; box-shadow: var(--shadow);
}
.player-stage { aspect-ratio: 16 / 9; background: #000; border-radius: 4px; overflow: hidden; }
.player-stage video { width: 100%; height: 100%; display: block; }
.player-title { margin: 12px 4px 4px; font-size: .9rem; color: var(--text); }
.player-close {
  position: absolute; top: -14px; right: -14px; z-index: 2;
  width: 34px; height: 34px; border-radius: 50%; border: 1px solid var(--border);
  background: var(--bg); color: var(--text); cursor: pointer; font-size: .88rem;
}
.player-close:hover { border-color: var(--accent); color: var(--accent); }
.player-fallback { display: grid; place-items: center; height: 100%; gap: 12px; color: var(--muted); font-size: .9rem; text-align: center; }
.player-fallback a { color: var(--accent); border-bottom: 1px solid var(--accent); }

/* ---------- footer ---------- */
.site-footer { margin-top: 90px; border-top: 1px solid var(--border); padding: 32px 0; color: var(--muted); font-size: .82rem; }
.site-footer p { margin: 5px 0; }
.site-footer .muted { font-family: var(--mono); letter-spacing: .1em; font-size: .7rem; }

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
  .hero-rail { display: none; }
  .video-grid { grid-template-columns: repeat(auto-fill, minmax(132px, 1fr)); gap: 18px 12px; }
}
@media (max-width: 720px) {
  .container { padding: 0 18px; }
  .hero-feature { margin: 0 -18px; min-height: 62vh; }
  .hero-inner { padding: 44px 18px 52px; }
  .hero-title { font-size: clamp(1.5rem, 6.5vw, 2rem); }
  .hero-desc { -webkit-line-clamp: 2; }
  .section-head { flex-direction: column; align-items: stretch; }
  .search { width: 100%; margin-left: 0; }
  .site-nav { gap: 16px; }
  .video-grid { grid-template-columns: repeat(3, 1fr); gap: 14px 10px; }
  .poster-title { font-size: .8rem; }
  .demo-banner code { word-break: break-all; }
}