/* ============================================================
 * DiskShare v2.0 — Netflix-style Dark Theme
 * 资源分享站 · 深色主题
 * ============================================================ */

/* ---------- Design Tokens ---------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Noto+Sans+SC:wght@300;400;500;600;700&display=swap');

:root {
  /* Palette */
  --bg-base:       #0F0F10;
  --bg-card:       #171717;
  --bg-elevated:   #1f1f1f;
  --bg-hover:      #2a2a2a;
  --primary:       #E50914;
  --primary-hover: #f40612;
  --primary-gradient: linear-gradient(135deg, #E50914 0%, #b20710 100%);

  /* Text */
  --text:          #fff;
  --text-secondary:#ddd;
  --text-muted:    #999;
  --text-dark:     #666;

  /* Border */
  --border:        rgba(255,255,255,.06);
  --border-light:  rgba(255,255,255,.1);

  /* Radius */
  --radius-sm:     8px;
  --radius-md:     12px;
  --radius-lg:     16px;
  --radius-xl:     20px;

  /* Shadow */
  --shadow-sm:     0 2px 8px rgba(0,0,0,.3);
  --shadow-md:     0 4px 16px rgba(0,0,0,.4);
  --shadow-lg:     0 8px 32px rgba(0,0,0,.5);
  --shadow-glow:   0 0 20px rgba(229,9,20,.3);

  /* Container */
  --container-max: 1400px;

  /* Header */
  --header-h:      72px;

  /* Spacing */
  --s-1: .25rem;
  --s-2: .5rem;
  --s-3: .75rem;
  --s-4: 1rem;
  --s-5: 1.5rem;
  --s-6: 2rem;
  --s-8: 3rem;
  --s-10: 4rem;

  /* Transition */
  --t-fast:   150ms ease;
  --t-base:   200ms ease;
  --t-slow:   300ms cubic-bezier(.4,0,.2,1);
  --t-slower: 500ms cubic-bezier(.4,0,.2,1);

  /* Focus */
  --focus-ring: 0 0 0 3px rgba(229,9,20,.4);
}

/* ---------- Reset / Base ---------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: var(--bg-elevated) var(--bg-base);
}

body {
  margin: 0;
  font-family: 'Inter', 'Noto Sans SC', -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-secondary);
  background: var(--bg-base);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a {
  color: var(--text);
  text-decoration: none;
  transition: color var(--t-fast), background-color var(--t-fast), transform var(--t-fast);
}

a:hover { color: var(--primary); }
a:focus-visible { outline: none; box-shadow: var(--focus-ring); border-radius: var(--radius-sm); }

img { max-width: 100%; height: auto; display: block; }

h1, h2, h3, h4, h5, h6 {
  margin: 0 0 var(--s-3);
  line-height: 1.3;
  font-weight: 600;
  color: var(--text);
}

p { margin: 0 0 var(--s-4); }

ul, ol { margin: 0; padding: 0; list-style: none; }

button { font-family: inherit; cursor: pointer; }

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-base); }
::-webkit-scrollbar-thumb { background: var(--bg-elevated); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-dark); }

/* ---------- Layout ---------- */
.ds-container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--s-6);
}

@media (max-width: 768px) {
  .ds-container { padding: 0 var(--s-4); }
}

/* ---------- Skip Link ---------- */
.ds-skip-link {
  position: absolute;
  top: -9999px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: #fff;
  padding: var(--s-2) var(--s-4);
  border-radius: var(--radius-md);
  z-index: 10000;
  transition: top var(--t-fast);
}
.ds-skip-link:focus {
  top: var(--s-3);
}

/* ---------- Header ---------- */
.ds-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  background: rgba(15,15,16,.85);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid var(--border);
  transition: background var(--t-base), box-shadow var(--t-base);
}

.ds-header.is-scrolled {
  background: rgba(15,15,16,.98);
  box-shadow: 0 2px 20px rgba(0,0,0,.5);
}

.ds-header > .ds-container {
  display: flex;
  align-items: center;
  gap: var(--s-5);
  height: 100%;
}

.ds-logo {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  color: var(--primary);
  font-weight: 700;
  font-size: 1.25rem;
  flex-shrink: 0;
}
.ds-logo:hover { color: var(--primary-hover); }
.ds-logo__mark {
  display: inline-block;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  background: var(--primary-gradient);
  position: relative;
}
.ds-logo__mark::after {
  content: '';
  position: absolute;
  inset: 7px;
  border: 2px solid #fff;
  border-radius: 3px;
}

.ds-nav {
  display: flex;
  align-items: center;
  gap: var(--s-1);
  margin-left: auto;
  margin-right: var(--s-3);
}
.ds-nav__item {
  padding: var(--s-2) var(--s-4);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: .9rem;
  font-weight: 500;
  white-space: nowrap;
  transition: color var(--t-fast), background-color var(--t-fast);
}
.ds-nav__item:hover { background: var(--bg-card); color: var(--text); }
.ds-nav__item.is-active { color: var(--primary); }

.ds-header__actions {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  margin-left: auto;
  flex-shrink: 0;
}

.ds-header__search {
  display: flex;
  align-items: center;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: border-color var(--t-base), box-shadow var(--t-base);
  flex: 1 1 auto;
  min-width: 100px;
  max-width: 260px;
}

@media (max-width: 1024px) {
  .ds-header__search { max-width: 200px; }
}

@media (max-width: 768px) {
  .ds-header__search { max-width: 160px; }
}

.ds-header__search:focus-within {
  border-color: var(--primary);
  box-shadow: var(--shadow-glow);
}

.ds-header__search input {
  background: transparent;
  border: 0;
  padding: var(--s-2) var(--s-3);
  color: var(--text);
  font-size: .85rem;
  width: 100%;
  outline: none;
}

.ds-header__search button {
  background: transparent;
  border: 0;
  color: var(--text-muted);
  padding: var(--s-2) var(--s-3);
  display: flex;
  align-items: center;
  transition: color var(--t-fast);
}

.ds-header__search button:hover { color: var(--primary); }

.ds-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-2);
  font-weight: 600;
  font-size: .9rem;
  padding: var(--s-2) var(--s-4);
  min-height: 40px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast), transform var(--t-fast), box-shadow var(--t-fast);
}
.ds-btn:active { transform: scale(.97); }

.ds-btn--primary {
  background: var(--primary-gradient);
  color: #fff;
  border: 0;
}
.ds-btn--primary:hover {
  background: var(--primary-hover);
  color: #fff;
  box-shadow: var(--shadow-glow);
  transform: translateY(-1px);
}

.ds-btn--outline {
  background: transparent;
  border-color: var(--border-light);
  color: var(--text-secondary);
}
.ds-btn--outline:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.ds-btn--sm {
  padding: var(--s-1) var(--s-3);
  min-height: 32px;
  font-size: .8rem;
}

.ds-nav-toggle { display: none; background: transparent; border: 0; color: var(--text); padding: var(--s-2); -webkit-tap-highlight-color: transparent; min-width: 44px; min-height: 44px; align-items: center; justify-content: center; }
.ds-nav-toggle svg { pointer-events: none; }

.ds-nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.6);
  z-index: 998;
}
body.ds-nav-open .ds-nav-overlay { display: block; }

@media (max-width: 1024px) {
  .ds-nav-toggle { display: flex; }
  .ds-header__search { width: 200px; }
  .ds-nav {
    display: flex;
    position: fixed;
    top: 0;
    right: -300px;
    height: 100vh;
    height: 100dvh;
    width: 260px;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: calc(var(--header-h) + var(--s-3)) var(--s-4) var(--s-6);
    background: var(--bg-card);
    border-left: 1px solid var(--border);
    transition: right var(--t-slow);
    margin: 0;
    z-index: 1001;
    box-shadow: -8px 0 30px rgba(0,0,0,.6);
    overflow-y: auto;
  }
  body.ds-nav-open .ds-nav { right: 0; }
  .ds-nav__item {
    padding: var(--s-3) var(--s-4);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    color: var(--text-secondary);
    display: block;
    width: 100%;
    text-align: left;
    border: 1px solid transparent;
  }
  .ds-nav__item:hover {
    background: var(--bg-hover);
    color: var(--text);
    border-color: var(--border);
  }
  .ds-nav__item.is-active {
    color: var(--primary);
    background: rgba(229,9,20,.1);
    border-color: rgba(229,9,0,.2);
  }
}

@media (max-width: 768px) {
  .ds-header__search { width: 140px; }
}

/* ---------- Main ---------- */
.ds-main { padding-top: var(--header-h); min-height: 100vh; }

/* ---------- Hero Banner ---------- */
.ds-hero {
  position: relative;
  padding: var(--s-10) 0 var(--s-8);
  background: linear-gradient(135deg, #0a0a0a 0%, #1a0a0a 50%, #0a0a0a 100%);
  overflow: hidden;
}

.ds-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: var(--hero-bg, none);
  background-size: cover;
  background-position: center;
  filter: blur(60px) brightness(.3);
  opacity: .4;
  pointer-events: none;
}

.ds-hero .ds-container {
  position: relative;
  z-index: 1;
}

.ds-hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  max-width: 720px;
}

.ds-hero__content--full {
  max-width: 100%;
}

.ds-hero__title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text);
  margin-bottom: var(--s-4);
}

.ds-hero__subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: var(--s-6);
  max-width: 500px;
}

.ds-hero__actions {
  display: flex;
  gap: var(--s-3);
  flex-wrap: wrap;
}


/* ---------- Section ---------- */
.ds-section {
  padding: var(--s-8) 0;
  position: relative;
}

.ds-section__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--s-5);
  gap: var(--s-3);
}

.ds-section__title {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text);
}

.ds-section__title::before {
  content: '';
  width: 4px;
  height: 24px;
  background: var(--primary-gradient);
  border-radius: 2px;
  flex-shrink: 0;
}

.ds-section__actions {
  color: var(--text-muted);
  font-size: .85rem;
  display: flex;
  align-items: center;
  gap: var(--s-2);
}

/* ---------- Grid (for category/search pages) ---------- */
.ds-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: var(--s-4);
}
.ds-grid--4 {
  grid-template-columns: repeat(4, 1fr);
}
@media (max-width: 1200px) {
  .ds-grid--4 { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 900px) {
  .ds-grid--4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .ds-grid--4 { grid-template-columns: 1fr; }
}

/* ---------- Empty state ---------- */
.ds-empty {
  text-align: center;
  padding: var(--s-10) var(--s-4);
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--s-3);
}
.ds-empty h2 { color: var(--text); margin-bottom: 0; }
.ds-empty svg { opacity: .4; margin-bottom: var(--s-2); }

/* ---------- Pagebar ---------- */
.ds-pagebar {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 6px;
  padding: var(--s-4) 0;
}

.ds-pagebar a,
.ds-pagebar span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 12px;
  border-radius: var(--radius-sm);
  font-size: .85rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: all var(--t-fast);
}

.ds-pagebar a:hover {
  background: var(--bg-hover);
  color: var(--text);
  border-color: var(--border-light);
  transform: translateY(-1px);
}

.ds-pagebar .pagebar-current {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  font-weight: 700;
  box-shadow: 0 2px 8px rgba(229,9,20,.3);
}

/* ---------- 热门推荐卡片 (Netflix 海报风格) ---------- */
.ds-hot-scroll {
  display: flex;
  gap: var(--s-4);
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding-bottom: var(--s-2);
}

.ds-hot-scroll::-webkit-scrollbar { display: none; }



.ds-hot-card {
  flex: 0 0 auto;
  width: 200px;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-card);
  position: relative;
  transition: transform var(--t-slow), box-shadow var(--t-slow);
  cursor: pointer;
}

.ds-hot-card.is-center {
  transform: scale(1.12);
  box-shadow: 0 16px 40px rgba(0,0,0,.7);
  z-index: 2;
}

.ds-hot-card:hover {
  transform: scale(1.08);
  box-shadow: 0 12px 32px rgba(0,0,0,.6);
  z-index: 3;
}

.ds-hot-card__cover {
  width: 100%;
  aspect-ratio: 2/3;
  object-fit: cover;
  display: block;
}

.ds-hot-card__cover--placeholder {
  width: 100%;
  aspect-ratio: 2/3;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dark);
  font-size: .9rem;
  font-weight: 600;
  padding: var(--s-3);
  text-align: center;
  background: linear-gradient(135deg, var(--bg-elevated), var(--bg-card));
}

.ds-hot-card__rank {
  position: absolute;
  top: var(--s-2);
  right: var(--s-2);
  background: var(--primary);
  color: #fff;
  font-size: .8rem;
  font-weight: 700;
  padding: 0.15em 0.5em;
  border-radius: var(--radius-sm);
  z-index: 2;
  min-width: 32px;
  text-align: center;
}

.ds-hot-card__rank--normal {
  background: rgba(15,15,16,.75);
  color: var(--text-secondary);
}

.ds-hot-card__info {
  padding: var(--s-2) var(--s-3);
}

.ds-hot-card__title {
  font-size: .85rem;
  margin: 0 0 var(--s-1);
  line-height: 1.3;
  font-weight: 600;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.ds-hot-card__title a,
.ds-hot-card__title { color: var(--text); }
.ds-hot-card:hover .ds-hot-card__title { color: var(--primary); }

.ds-hot-card__meta {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  font-size: .75rem;
  color: var(--text-muted);
}

.ds-hot-card__cat {
  background: var(--bg-elevated);
  padding: 0.1em 0.4em;
  border-radius: 4px;
  font-size: .7rem;
}

/* ---------- Hot Scroll ---------- */
.ds-scroll-wrap {
  position: relative;
}

.ds-scroll {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--s-4);
  padding-bottom: var(--s-2);
}

.ds-scroll-nav { display: none; }

/* ---------- Resource Card (16:9 横版) ---------- */
.ds-card {
  width: 100%;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform var(--t-slow), box-shadow var(--t-slow);
  position: relative;
  border: 1px solid var(--border);
}

.ds-card:hover {
  transform: scale(1.03);
  box-shadow: var(--shadow-lg);
  z-index: 2;
}

.ds-card__cover-link {
  display: block;
  position: relative;
  aspect-ratio: 16 / 9;
  background: var(--bg-elevated);
  overflow: hidden;
}

.ds-card__cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--t-slow);
}

.ds-card:hover .ds-card__cover { transform: scale(1.05); }

.ds-card__cover--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  color: var(--text-dark);
  font-size: 2rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--bg-elevated), var(--bg-card));
}

.ds-card__badge {
  position: absolute;
  top: var(--s-2);
  right: var(--s-2);
  background: var(--primary);
  color: #fff;
  font-size: .75rem;
  font-weight: 700;
  padding: 0.2em 0.6em;
  border-radius: var(--radius-sm);
  z-index: 2;
}

.ds-card__badge--new {
  background: linear-gradient(135deg, #00d4ff, #0099ff);
}

.ds-card__body {
  padding: var(--s-3);
}

.ds-card__title {
  font-size: .9rem;
  margin: 0 0 var(--s-2);
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.ds-card__title a { color: var(--text); }
.ds-card__title a:hover { color: var(--primary); }

.ds-card__meta {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  font-size: .75rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.ds-card__tag {
  background: var(--bg-elevated);
  padding: 0.15em 0.5em;
  border-radius: 4px;
  font-size: .7rem;
  color: var(--text-dark);
}

.ds-card__cat {
  color: var(--text-muted);
}

.ds-card__cat:hover { color: var(--primary); }

.ds-card__size { margin-left: auto; }

/* ---------- Category Grid ---------- */
.ds-cat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: var(--s-3);
}

.ds-cat-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--s-3);
  padding: var(--s-6) var(--s-4);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  text-align: center;
  transition: transform var(--t-slow), background var(--t-slow), border-color var(--t-slow);
}

.ds-cat-card:hover {
  transform: translateY(-4px);
  background: var(--bg-hover);
  border-color: var(--primary);
}

.ds-cat-card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-elevated);
  border-radius: var(--radius-md);
  font-size: 1.5rem;
  transition: transform var(--t-slow);
}

.ds-cat-card:hover .ds-cat-card__icon { transform: scale(1.1); }

.ds-cat-card__name {
  font-weight: 600;
  color: var(--text);
  font-size: .95rem;
}

.ds-cat-card__count {
  font-size: .8rem;
  color: var(--text-muted);
}

/* ---------- Tag Cloud ---------- */
.ds-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2);
}

.ds-tag {
  display: inline-block;
  padding: var(--s-2) var(--s-4);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: .85rem;
  color: var(--text-secondary);
  transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast);
}

.ds-tag:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

/* ---------- Ranking Table ---------- */
.ds-ranking {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.ds-ranking th,
.ds-ranking td {
  padding: var(--s-3) var(--s-4);
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.ds-ranking th {
  background: var(--bg-elevated);
  font-weight: 600;
  font-size: .85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .05em;
}

.ds-ranking tr:last-child td { border-bottom: 0; }

.ds-ranking tr:hover td { background: var(--bg-hover); }

.ds-ranking__rank {
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-elevated);
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: .85rem;
}

.ds-ranking__rank--1 { background: #ffd700; color: #000; }
.ds-ranking__rank--2 { background: #c0c0c0; color: #000; }
.ds-ranking__rank--3 { background: #cd7f32; color: #fff; }

.ds-ranking__title { color: var(--text); font-weight: 500; }
.ds-ranking__title:hover { color: var(--primary); }

/* ---------- Downloads ---------- */
.ds-downloads {
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
}

.ds-download-group__title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: var(--s-3);
  display: flex;
  align-items: center;
  gap: var(--s-2);
}

.ds-download-group__list {
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
}

.ds-download-card {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--s-3);
  padding: var(--s-4);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: border-color var(--t-fast), background var(--t-fast);
}

.ds-download-card:hover {
  border-color: var(--primary);
  background: var(--bg-elevated);
}

.ds-download-card__info { flex: 1; min-width: 0; }

.ds-download-card__name {
  font-size: .9rem;
  margin: 0 0 var(--s-1);
  font-weight: 600;
  color: var(--text);
  word-break: break-all;
}

.ds-download-card__meta {
  display: flex;
  gap: var(--s-3);
  flex-wrap: wrap;
  font-family: 'Inter', monospace;
  font-size: .8rem;
  color: var(--text-muted);
}

.ds-download-card__meta code {
  background: var(--bg-elevated);
  padding: 0.1em 0.4em;
  border-radius: 4px;
  color: var(--primary);
}

.ds-download-card__actions { display: flex; gap: var(--s-2); }

.ds-btn--accent {
  background: var(--primary);
  color: #fff;
  border: 0;
}

.ds-btn--accent:hover {
  background: var(--primary-hover);
  color: #fff;
  box-shadow: var(--shadow-glow);
}

.ds-btn--copy.is-copied {
  background: #16a34a;
  color: #fff;
  border-color: #16a34a;
}

/* ---------- Detail Page ---------- */
.ds-detail {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: var(--s-6);
  border: 1px solid var(--border);
}

@media (min-width: 768px) {
  .ds-detail { padding: var(--s-8); }
}

.ds-breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  padding: var(--s-3) var(--s-4);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: var(--s-5);
  font-size: .85rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.ds-breadcrumb a { color: var(--text-muted); }
.ds-breadcrumb a:hover { color: var(--primary); }
.ds-breadcrumb .sep { color: var(--text-dark); }
.ds-breadcrumb [aria-current="page"] { color: var(--text); font-weight: 500; }

.ds-media__hero {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--s-6);
  margin-bottom: var(--s-6);
}

@media (max-width: 768px) {
  .ds-media__hero { grid-template-columns: 1fr; }
}

.ds-media__poster {
  width: 100%;
  border-radius: var(--radius-md);
  aspect-ratio: 2/3;
  object-fit: cover;
  background: var(--bg-elevated);
}

.ds-media__poster--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--bg-elevated), var(--bg-card));
  color: var(--text-dark);
  font-weight: 600;
  text-align: center;
  padding: var(--s-4);
}

.ds-media__info { display: flex; flex-direction: column; gap: var(--s-3); }

.ds-media__title { margin: 0; font-size: clamp(1.4rem, 2.5vw, 1.8rem); }

.ds-media__rating {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  background: #f59e0b;
  color: #000;
  font-size: 1rem;
  font-weight: 700;
  padding: var(--s-1) var(--s-3);
  border-radius: var(--radius-sm);
  align-self: flex-start;
}

.ds-media__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2);
  margin-bottom: var(--s-3);
  padding-bottom: var(--s-3);
  border-bottom: 1px solid var(--border);
}

.ds-media__meta-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-2) var(--s-5);
}

.ds-media__meta-list div { display: flex; flex-direction: column; }

.ds-media__meta-list dt {
  font-weight: 600;
  font-size: .8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .04em;
  margin-top: var(--s-3);
}

.ds-media__meta-list dt:first-child { margin-top: 0; }

.ds-media__meta-list dd { margin: 0; font-size: .95rem; color: var(--text); }

.ds-media__section { margin-top: var(--s-6); }

.ds-media__section-title {
  font-size: 1.1rem;
  font-weight: 700;
  padding-left: var(--s-3);
  border-left: 3px solid var(--primary);
  margin-bottom: var(--s-4);
}

.ds-media__intro, .ds-media__content {
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ---------- Book Detail ---------- */
.ds-book__header {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s-5);
  align-items: center;
}

.ds-book__title { margin-bottom: var(--s-3); }

.ds-book__meta {
  display: flex;
  gap: var(--s-3);
  flex-wrap: wrap;
  color: var(--text-muted);
  font-size: .9rem;
}

.ds-book__section { margin-top: var(--s-6); }

.ds-book__section-title {
  font-size: 1.1rem;
  font-weight: 700;
  border-left: 3px solid var(--primary);
  padding-left: var(--s-3);
  margin-bottom: var(--s-4);
}

/* ---------- Footer ---------- */
.ds-footer {
  margin-top: var(--s-10);
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  padding: var(--s-8) 0 var(--s-6);
}

.ds-footer__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--s-6);
  margin-bottom: var(--s-6);
}

.ds-footer__col h4 {
  font-size: .95rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: var(--s-3);
}

.ds-footer__list li { margin-bottom: var(--s-2); }

.ds-footer__list a {
  color: var(--text-muted);
  font-size: .9rem;
}

.ds-footer__list a:hover { color: var(--primary); }

.ds-footer__bar {
  border-top: 1px solid var(--border);
  padding-top: var(--s-5);
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--s-3);
  font-size: .85rem;
  color: var(--text-dark);
}
.ds-footer__icp {
  text-align: center;
}
.ds-footer__icp a {
  color: var(--text-muted);
  text-decoration: none;
  border-bottom: 1px dotted var(--text-dark);
}
.ds-footer__icp a:hover { color: var(--primary); border-color: var(--primary); }

.ds-footer__bar a { color: var(--text-muted); }
.ds-footer__bar a:hover { color: var(--primary); }

/* ---------- Animations ---------- */
@keyframes dsFadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes dsFadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.ds-animate {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .5s ease, transform .5s ease;
}

.ds-animate.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .ds-animate { opacity: 1; transform: none; }
}

/* ---------- Category Page ---------- */

/* 分类 Hero Banner (Netflix 风格红渐变) */
.ds-cate-hero {
  position: relative;
  padding: var(--s-8) 0 var(--s-10);
  background: var(--primary-gradient);
  overflow: hidden;
}

/* 暗化遮罩层增加文字可读性 */
.ds-cate-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,.3) 0%, rgba(0,0,0,.85) 100%);
  z-index: 1;
}

.ds-cate-hero .ds-container {
  position: relative;
  z-index: 2;
}

/* 面包屑微调（在红底上） */
.ds-cate-hero .ds-breadcrumb {
  background: rgba(0,0,0,.35);
  border-color: rgba(255,255,255,.12);
  color: rgba(255,255,255,.7);
  backdrop-filter: blur(4px);
}

.ds-cate-hero .ds-breadcrumb a {
  color: rgba(255,255,255,.7);
}

.ds-cate-hero .ds-breadcrumb a:hover {
  color: #fff;
}

.ds-cate-hero .ds-breadcrumb .ds-breadcrumb__sep,
.ds-cate-hero .ds-breadcrumb .sep {
  color: rgba(255,255,255,.4);
}

.ds-cate-hero .ds-breadcrumb__current,
.ds-cate-hero .ds-breadcrumb [aria-current="page"] {
  color: #fff;
}

.ds-breadcrumb__sep { margin: 0 var(--s-1); opacity: .5; }

/* 主体内容 */
.ds-cate-hero__inner { margin-top: var(--s-5); }

.ds-cate-hero__title {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: var(--s-2);
}

.ds-cate-hero__title::before { display: none; }

.ds-cate-hero__count {
  font-size: .95rem;
  color: rgba(255,255,255,.75);
  margin-bottom: var(--s-2);
}

.ds-cate-hero__intro {
  font-size: .95rem;
  color: rgba(255,255,255,.6);
  max-width: 600px;
  line-height: 1.6;
}

/* 子分类快捷入口 */
.ds-subcats {
  margin: var(--s-8) 0;
  padding: var(--s-5);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.ds-subcats .ds-section__head {
  border-bottom: none;
  padding-bottom: 0;
  margin-bottom: var(--s-4);
}

.ds-subcats .ds-section__title {
  font-size: 1.05rem;
}

.ds-subcats .ds-section__title::before {
  height: 16px;
}

.ds-subcats__grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-3);
}

.ds-subcats__item {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  padding: var(--s-2) var(--s-4);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: .9rem;
  color: var(--text-secondary);
  transition: all .2s ease;
}

.ds-subcats__item:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-glow);
}

.ds-subcats__count {
  min-width: 20px;
  text-align: center;
  padding: 0 6px;
  background: rgba(255,255,255,.1);
  border-radius: 999px;
  font-size: .75rem;
  line-height: 1.6;
}

.ds-subcats__item:hover .ds-subcats__count {
  background: rgba(255,255,255,.25);
}

/* 分类资源列表微调 */
.ds-category .ds-cate-posts {
  margin-top: var(--s-6);
}

.ds-category .ds-section__title { font-size: 1.2rem; }

/* 响应式适配 */
@media (max-width: 640px) {
  .ds-cate-hero { padding: var(--s-5) 0 var(--s-6); }
  .ds-cate-hero__title { font-size: 1.5rem; }
  .ds-subcats { padding: var(--s-4); }
  .ds-subcats__grid { gap: var(--s-2); }
  .ds-subcats__item { font-size: .82rem; padding: var(--s-1) var(--s-3); }
}

/* ---------- Utilities ---------- */
@media print {
  .ds-header, .ds-footer, .ds-comments, .ds-skip-link { display: none; }
  .ds-main { padding-top: 0; }
}