/* dh_front（demo-a）：静态样式，与后台 theme_key 无关 */
:root {
  --dh-bg: #111418;
  --dh-card: rgba(255, 255, 255, 0.07);
  --dh-bd: rgba(255, 255, 255, 0.28);
  --dh-txt: #f3efe6;
  --dh-muted: #c6bdaa;
  --dh-accent: #00ffa8;
  --dh-accent2: #7dd3fc;
  --dh-text-home-title: #f8f3e8;
  --dh-text-home-sub: #ddd2bc;
  --dh-text-home-empty: var(--dh-muted);
  --dh-text-header-title: #f8f3e8;
  --dh-text-nav: #c6bdaa;
  --dh-text-anchor: #c6bdaa;
  --dh-text-anchor-head: #eadfc7;
  --dh-text-section-title: #e6d8bc;
  --dh-text-page-title: var(--dh-txt);
  --dh-text-page-body: #e7ddc9;
  --dh-text-form-label: #c6bdaa;
  --dh-text-disclaimer-title: #eadfc7;
  --dh-text-disclaimer-body: #a99f8c;
  --dh-text-ad-banner-title: #eadfc7;
  --dh-text-ad-icon-name: #c6bdaa;
  --dh-drawer-bg: #0e1116;
  --dh-drawer-border: rgba(255, 255, 255, 0.28);
  --dh-drawer-mask-bg: rgba(0, 0, 0, 0.66);
  --dh-drawer-icon: #f8f3e8;
  --dh-drawer-width: 220px;
  --dh-link-card-min-w: 90px;
  --dh-link-card-max-w: 90px;
  --dh-link-card-h: 45px;
  --dh-link-card-gap: 10px;
  --dh-link-card-font-size: clamp(12px, calc(var(--dh-link-card-max-w) / 7), 16px);
}

.dh-front {
  margin: 0;
  background: var(--dh-bg);
  color: var(--dh-txt);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  min-height: 100vh;
}

.dh-front a {
  text-decoration: none;
}
.dh-front a:hover {
  text-decoration: underline;
}

.dh-home-box {
  max-width: 420px;
  width: 100%;
  margin: 0 auto;
  padding: 24px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  box-sizing: border-box;
}
.dh-home-box h1 {
  font-size: 1.35rem;
  font-weight: 600;
  margin: 0 0 8px;
  color: var(--dh-text-home-title);
}
.dh-home-sub {
  color: var(--dh-text-home-sub);
  margin: 0 0 24px;
  font-size: 0.95rem;
}
.dh-home-list {
  list-style: none;
  padding: 0;
  margin: 0;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.dh-home-list a {
  display: block;
  padding: 14px 16px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.04);
  color: var(--dh-accent2);
  text-decoration: none;
}
.dh-home-list a:hover {
  border-color: rgba(16, 240, 191, 0.4);
  color: var(--dh-accent);
}
.dh-home-empty {
  margin-top: 16px;
  color: var(--dh-text-home-empty);
}

.dh-wrap {
  max-width: 960px;
  margin: 0 auto;
  padding: 20px 16px 48px;
  box-sizing: border-box;
}
.dh-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 16px;
  min-height: 42px;
  padding: 8px 0 20px;
  border-bottom: 1px solid var(--dh-bd);
  margin-bottom: 24px;
}
.dh-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}
.dh-header h1 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0;
  letter-spacing: 0.02em;
  color: var(--dh-text-header-title);
}
.dh-logo-link {
  color: var(--dh-txt);
}
.dh-logo-link:hover {
  color: var(--dh-accent);
  text-decoration: none;
}
.dh-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  font-size: 0.9rem;
}
.dh-nav a {
  color: var(--dh-text-nav);
}
.dh-nav a:hover {
  color: var(--dh-accent);
}

.dh-anchor-nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.dh-anchor-nav a {
  display: block;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid var(--dh-bd);
  background: rgba(255, 255, 255, 0.04);
  color: var(--dh-text-anchor);
  font-size: 0.85rem;
}
.dh-anchor-nav a:hover {
  color: var(--dh-accent);
  border-color: rgba(16, 240, 191, 0.4);
  text-decoration: none;
}
.dh-anchor-sep {
  height: 1px;
  margin: 4px 0 2px;
  background: var(--dh-bd);
}

.dh-ad-banner-wrap {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 0 0 12px;
}
.dh-ad-banner {
  min-height: 72px;
  border: 1px solid var(--dh-bd);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.dh-ad-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.dh-ad-banner-title {
  color: var(--dh-text-ad-banner-title);
  font-size: 0.9rem;
}
.dh-ad-icon-wrap {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(128px, 1fr));
  gap: 12px 10px;
  margin: 0 0 20px;
}
.dh-ad-icon-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  color: var(--dh-text-ad-icon-name);
}
.dh-ad-icon-item img {
  width: 128px;
  height: 128px;
  object-fit: cover;
  border-radius: 10px;
  border: 1px solid var(--dh-bd);
  background: rgba(255, 255, 255, 0.03);
  display: block;
}
.dh-ad-icon-name {
  margin-top: 4px;
  max-width: 128px;
  font-size: 0.8rem;
  line-height: 1.2;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.dh-drawer-toggle-inline {
  width: 34px;
  height: 34px;
  padding: 0;
  border-radius: 0;
  border: none;
  background: transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.dh-drawer-toggle-placeholder {
  width: 34px;
  height: 34px;
  display: inline-block;
}
.dh-hamburger {
  width: 16px;
  height: 2px;
  background: var(--dh-drawer-icon);
  position: relative;
  display: inline-block;
  border-radius: 2px;
}
.dh-hamburger::before,
.dh-hamburger::after {
  content: "";
  position: absolute;
  left: 0;
  width: 16px;
  height: 2px;
  border-radius: 2px;
  background: var(--dh-drawer-icon);
}
.dh-hamburger::before {
  top: -5px;
}
.dh-hamburger::after {
  top: 5px;
}

.dh-anchor-drawer {
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  width: var(--dh-drawer-width);
  padding: 16px 12px;
  background: var(--dh-drawer-bg);
  border-right: 1px solid var(--dh-drawer-border);
  box-sizing: border-box;
  transform: translateX(-110%);
  transition: transform 0.2s ease;
  z-index: 90;
  overflow-y: auto;
}
.dh-anchor-drawer-head {
  margin-bottom: 12px;
  color: var(--dh-text-anchor-head);
  font-size: 0.9rem;
}
.dh-drawer-mask {
  position: fixed;
  inset: 0;
  z-index: 80;
  background: var(--dh-drawer-mask-bg);
}
body.is-drawer-open .dh-anchor-drawer {
  transform: translateX(0);
}

.dh-sec {
  --dh-text-card-local: var(--dh-text-card);
  margin-bottom: 28px;
}
.dh-sec h2 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--dh-text-section-title);
  margin: 0 0 12px;
  padding-left: 10px;
  border-left: 3px solid var(--dh-accent);
}
.dh-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(var(--dh-link-card-min-w), 1fr));
  gap: var(--dh-link-card-gap);
}
.dh-card {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  width: 100%;
  max-width: var(--dh-link-card-max-w);
  height: var(--dh-link-card-h);
  margin: 0 auto;
  padding: 0 8px;
  box-sizing: border-box;
  background: var(--dh-card);
  border: 1px solid var(--dh-bd);
  border-radius: 10px;
  transition: border-color 0.15s, background 0.15s;
  color: var(--dh-text-card-local);
  text-decoration: none;
  font-size: var(--dh-link-card-font-size);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.01em;
  text-shadow: 0 1px 0 rgba(0, 0, 0, 0.35);
  white-space: nowrap;
  overflow: hidden;
}

/* 按分类配置卡片文字颜色：只改变量，不重复定义 color */
/* 示例（将 movie/tool/news 替换为实际 cat_key） */
#cat-quan-zhan-tui-jian { --dh-text-card-local: #ff8a65; }
#cat-jing-pin-app  { --dh-text-card-local: #4fc3f7; }
#cat-zai-xian-shi-pin { --dh-text-card-local: #81c784; }
.dh-card:hover {
  border-color: rgba(75, 195, 255, 0.35);
}

.dh-muted {
  color: var(--dh-text-page-body);
  font-size: 0.9rem;
}
.dh-page-title {
  margin: 0 0 16px;
  font-size: 1.1rem;
  color: var(--dh-text-page-title);
}
.dh-page-body {
  white-space: pre-wrap;
  color: var(--dh-text-page-body);
  line-height: 1.65;
}

.dh-flash {
  padding: 12px 14px;
  border-radius: 8px;
  margin-bottom: 16px;
  border: 1px solid var(--dh-bd);
}
.dh-flash-err {
  background: rgba(239, 68, 68, 0.12);
  border-color: rgba(239, 68, 68, 0.35);
}
.dh-flash-ok {
  background: rgba(16, 240, 191, 0.1);
  border-color: rgba(16, 240, 191, 0.35);
}

.dh-front label {
  display: block;
  margin: 10px 0 4px;
  color: var(--dh-text-form-label);
  font-size: 0.85rem;
}
.dh-front input,
.dh-front textarea {
  width: 100%;
  max-width: 520px;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--dh-bd);
  background: rgba(0, 0, 0, 0.25);
  color: var(--dh-txt);
  box-sizing: border-box;
}
.dh-submit-form button {
  display: block;
  margin-top: 14px;
  padding: 10px 18px;
  border-radius: 8px;
  border: none;
  background: linear-gradient(135deg, var(--dh-accent), var(--dh-accent2));
  color: #0a0a0b;
  font-weight: 600;
  cursor: pointer;
}
.dh-submit-form button:hover {
  filter: brightness(1.05);
}

.dh-disclaimer {
  margin-top: 32px;
  padding-top: 16px;
  border-top: 1px solid var(--dh-bd);
  text-align: center;
}
.dh-disclaimer h2 {
  margin: 0 0 8px;
  font-size: 0.95rem;
  color: var(--dh-text-disclaimer-title);
}
.dh-disclaimer p {
  margin: 6px auto;
  max-width: 42em;
  color: var(--dh-text-disclaimer-body);
  font-size: 0.85rem;
}

.dh-backtop {
  display: none;
  position: fixed;
  right: 14px;
  bottom: 18px;
  z-index: 95;
  width: 34px;
  height: 34px;
  padding: 0;
  border-radius: 999px;
  border: 1px solid var(--dh-bd);
  background: rgba(0, 0, 0, 0.32);
}
.dh-backtop svg {
  width: 80%;
  height: 80%;
  display: block;
  margin: 10% auto;
}
.dh-backtop path {
  fill: none;
  stroke: #ff5ea8;
  stroke-width: 3.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.dh-backtop:hover {
  filter: brightness(1.08);
  cursor: pointer;
}

/* Tablet */
@media (max-width: 1024px) {
  :root {
    --dh-drawer-width: 180px;
  }
  .dh-wrap {
    max-width: 100%;
    padding: 16px 14px 44px;
  }
}

/* Mobile */
@media (max-width: 768px) {
  :root {
    --dh-drawer-width: 130px;
    --dh-link-card-gap: 8px;
    --dh-link-card-min-w: 82px;
  }
  .dh-wrap {
    padding: 12px 10px 38px;
  }
  .dh-header {
    padding: 6px 0 14px;
    margin-bottom: 14px;
    min-height: 38px;
  }
  .dh-header h1 {
    font-size: 1.05rem;
  }
  .dh-nav {
    font-size: 0.84rem;
  }
  .dh-anchor-drawer {
    padding: 12px 10px;
  }
  .dh-anchor-nav a {
    padding: 7px 8px;
    font-size: 0.8rem;
  }
  .dh-ad-banner-wrap {
    grid-template-columns: 1fr;
    gap: 8px;
    margin: 0 0 10px;
  }
  .dh-ad-icon-wrap {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px 8px;
    margin: 0 0 14px;
  }
  .dh-ad-icon-item img {
    width: 100%;
    height: auto;
    aspect-ratio: 1 / 1;
  }
  .dh-ad-icon-name {
    max-width: 100%;
  }
  .dh-backtop {
    right: 10px;
    bottom: 12px;
  }
}

/* Small mobile */
@media (max-width: 520px) {
  :root {
    --dh-drawer-width: 110px;
    --dh-link-card-gap: 6px;
    --dh-link-card-min-w: 76px;
  }
  .dh-wrap {
    padding: 10px 8px 30px;
  }
  .dh-header {
    gap: 8px;
  }
  .dh-brand {
    gap: 8px;
  }
  .dh-drawer-toggle-inline,
  .dh-drawer-toggle-placeholder {
    width: 30px;
    height: 30px;
  }
}

.dh-backtop.is-visible {
  display: block;
}