:root {
  --bg: #090d1f;
  --panel: #111734;
  --panel-soft: #151e45;
  --text: #edf1ff;
  --muted: #a9b3d9;
  --accent: #5eead4;
  --accent-2: #8b5cf6;
  --line: rgba(170, 186, 255, 0.18);
  --shadow: 0 16px 36px rgba(2, 8, 28, 0.45);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 8% -8%, rgba(139, 92, 246, 0.24), transparent 36%),
    radial-gradient(circle at 90% 10%, rgba(94, 234, 212, 0.15), transparent 34%),
    var(--bg);
}

a {
  text-decoration: none;
}

.site-header .navbar {
  background: rgba(7, 11, 30, 0.78);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
  transition: all 0.25s ease;
}

.site-header .navbar.scrolled {
  background: rgba(7, 11, 30, 0.96);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.35);
}

.brand-icon {
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  position: relative;
  box-shadow: 0 8px 18px rgba(94, 234, 212, 0.35);
}

.brand-icon::before {
  content: '';
  position: absolute;
  left: 11px;
  top: 8px;
  border-left: 10px solid #0a1029;
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
}

.brand-text {
  font-weight: 700;
  letter-spacing: 0.5px;
}

.navbar .nav-link {
  color: #dbe2ff;
  font-weight: 500;
}

.navbar .nav-link:hover,
.navbar .nav-link.active {
  color: var(--accent);
}

.btn-accent {
  color: #061022;
  border: none;
  background: linear-gradient(120deg, var(--accent), #67e8f9);
  font-weight: 700;
}

.btn-accent:hover {
  color: #051020;
  background: linear-gradient(120deg, #7ef3df, #8ee7ff);
}

main {
  padding-top: 88px;
}

.hero-section {
  padding: 2.5rem 0 1rem;
}

.hero-copy {
  background: linear-gradient(180deg, rgba(22, 30, 69, 0.8), rgba(17, 23, 52, 0.96));
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 2rem;
  box-shadow: var(--shadow);
}

.kicker {
  display: inline-block;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  font-size: 0.78rem;
  color: #0c1633;
  background: linear-gradient(120deg, var(--accent), #93c5fd);
  font-weight: 700;
}

.hero-copy h1 {
  margin-top: 1rem;
  margin-bottom: 0.9rem;
  font-size: clamp(1.7rem, 3.5vw, 2.6rem);
  line-height: 1.2;
}

.hero-copy p {
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 0;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.1rem;
}

.hero-badges span {
  border: 1px solid rgba(94, 234, 212, 0.35);
  color: #c6fff6;
  padding: 0.34rem 0.7rem;
  border-radius: 999px;
  font-size: 0.78rem;
}

.update-hint {
  color: #90a0d3;
  font-size: 0.88rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 1rem;
}

.hero-main {
  grid-row: span 2;
  min-height: 420px;
}

.media-card {
  position: relative;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  min-height: 202px;
  background: #0e1430;
}

.media-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.media-overlay {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 1rem;
  background: linear-gradient(to top, rgba(5, 9, 22, 0.88), rgba(5, 9, 22, 0));
}

.media-overlay p {
  margin: 0;
  font-size: 0.78rem;
  color: #c7d2fe;
}

.media-overlay h2 {
  margin: 0.2rem 0 0;
  font-size: 1.1rem;
}

.filter-section {
  padding: 1.25rem 0 0.5rem;
}

.filter-chip {
  border: 1px solid var(--line);
  background: rgba(19, 28, 64, 0.7);
  color: #dbe6ff;
  border-radius: 999px;
  padding: 0.4rem 0.9rem;
  font-size: 0.84rem;
  transition: all 0.2s ease;
}

.filter-chip:hover,
.filter-chip.active {
  border-color: rgba(94, 234, 212, 0.6);
  color: #071328;
  background: var(--accent);
}

.extra-filters {
  background: rgba(17, 23, 52, 0.7);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.9rem;
}

.content-section {
  padding: 2rem 0;
}

.section-head {
  margin-bottom: 1.2rem;
  display: flex;
  gap: 1rem;
  align-items: end;
  justify-content: space-between;
}

.section-head h2 {
  margin: 0;
  font-size: 1.5rem;
}

.section-head p {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.more-link {
  color: var(--accent);
  font-size: 0.92rem;
}

.movie-card {
  background: linear-gradient(180deg, rgba(21, 30, 69, 0.8), rgba(15, 22, 51, 0.95));
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.movie-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 16px 30px rgba(2, 7, 24, 0.55);
}

.movie-poster {
  width: 100%;
  aspect-ratio: 16/11;
  object-fit: cover;
  display: block;
}

.movie-title {
  font-size: 1rem;
  margin: 0;
}

.movie-desc {
  margin-top: 0.45rem;
  margin-bottom: 0.9rem;
  color: var(--muted);
  font-size: 0.87rem;
  line-height: 1.55;
}

.update-date {
  font-size: 0.78rem;
  color: #b9c6ee;
}

.btn-outline-accent {
  color: var(--accent);
  border-color: rgba(94, 234, 212, 0.45);
}

.btn-outline-accent:hover {
  background: var(--accent);
  color: #061022;
  border-color: var(--accent);
}

.playlist-card {
  position: relative;
  overflow: hidden;
  border-radius: 16px;
  border: 1px solid var(--line);
  min-height: 250px;
  box-shadow: var(--shadow);
}

.playlist-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.playlist-overlay {
  position: absolute;
  inset: auto 0 0 0;
  padding: 1rem;
  background: linear-gradient(to top, rgba(6, 10, 26, 0.9), rgba(6, 10, 26, 0));
}

.playlist-overlay h3 {
  margin: 0;
  font-size: 1.1rem;
}

.playlist-overlay p {
  margin: 0.4rem 0;
  color: #d0daff;
  font-size: 0.86rem;
}

.playlist-overlay span {
  font-size: 0.8rem;
  color: #93a0cc;
}

.notice-card,
.faq-card,
.review-card {
  background: linear-gradient(180deg, rgba(22, 31, 70, 0.8), rgba(14, 21, 48, 0.95));
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.2rem;
  box-shadow: var(--shadow);
}

.notice-card h2,
.faq-card h2,
.review-card h3 {
  margin-top: 0;
}

.notice-list {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
}

.notice-list li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.65rem 0;
  border-bottom: 1px dashed rgba(158, 173, 235, 0.3);
}

.notice-list li:last-child {
  border-bottom: 0;
}

.notice-list span {
  color: #dce4ff;
  font-size: 0.92rem;
}

.notice-list time {
  color: #95a3d3;
  font-size: 0.8rem;
  white-space: nowrap;
}

.accordion {
  --bs-accordion-bg: transparent;
  --bs-accordion-color: #eaf0ff;
  --bs-accordion-border-color: rgba(160, 176, 240, 0.25);
  --bs-accordion-btn-color: #eaf0ff;
  --bs-accordion-btn-bg: rgba(16, 24, 56, 0.75);
  --bs-accordion-active-color: #041024;
  --bs-accordion-active-bg: var(--accent);
}

.accordion-button:focus {
  box-shadow: none;
}

.review-card {
  text-align: center;
}

.review-avatar {
  width: 74px;
  height: 74px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 0.8rem;
  border: 2px solid rgba(94, 234, 212, 0.5);
}

.review-card p {
  margin: 0.4rem 0 0;
  color: var(--muted);
  line-height: 1.65;
}

.friend-section {
  padding-top: 0.6rem;
}

.friend-link {
  display: block;
  text-align: center;
  padding: 0.78rem;
  border-radius: 12px;
  background: rgba(17, 24, 56, 0.78);
  border: 1px solid var(--line);
  color: #dfe7ff;
  font-size: 0.9rem;
  transition: all 0.2s ease;
}

.friend-link:hover {
  color: #061022;
  background: var(--accent);
  border-color: var(--accent);
}

.site-footer {
  margin-top: 1.4rem;
  padding: 2.4rem 0 1.4rem;
  border-top: 1px solid var(--line);
  background: rgba(5, 8, 22, 0.85);
}

.footer-brand {
  color: #f2f6ff;
  font-weight: 700;
  font-size: 1.2rem;
}

.footer-text {
  color: #9cabd8;
  line-height: 1.7;
  font-size: 0.9rem;
}

.site-footer h3 {
  font-size: 1rem;
  margin-bottom: 0.8rem;
}

.footer-links {
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: #cdd7ff;
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: var(--accent);
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag-cloud span {
  font-size: 0.8rem;
  border-radius: 999px;
  border: 1px solid rgba(160, 177, 241, 0.3);
  color: #d2dcff;
  padding: 0.3rem 0.65rem;
}

.footer-bottom {
  margin-top: 1.4rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(164, 180, 240, 0.22);
  color: #93a1d1;
  font-size: 0.88rem;
}

.footer-bottom a {
  color: #d9e2ff;
}

.back-top {
  position: fixed;
  right: 18px;
  bottom: 20px;
  width: 42px;
  height: 42px;
  border: 0;
  border-radius: 50%;
  color: #051025;
  background: var(--accent);
  box-shadow: 0 10px 20px rgba(94, 234, 212, 0.35);
  font-size: 1.2rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all 0.25s ease;
  z-index: 1040;
}

.back-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.modal-dark {
  background: linear-gradient(180deg, #121a3d, #0f1532);
  border: 1px solid var(--line);
  color: #e9f0ff;
}

.modal-dark .form-control {
  background: rgba(10, 15, 34, 0.8);
  border-color: rgba(165, 180, 235, 0.3);
  color: #eff4ff;
}

.modal-dark .form-control::placeholder {
  color: #8ea0d1;
}

@media (max-width: 991.98px) {
  main {
    padding-top: 78px;
  }

  .hero-section {
    padding-top: 1.3rem;
  }

  .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero-main {
    min-height: 290px;
    grid-row: auto;
  }

  .media-card {
    min-height: 200px;
  }
}

@media (max-width: 575.98px) {
  .hero-copy,
  .notice-card,
  .faq-card,
  .review-card {
    padding: 1rem;
  }

  .section-head h2 {
    font-size: 1.3rem;
  }

  .movie-desc {
    font-size: 0.82rem;
  }

  .playlist-card {
    min-height: 220px;
  }
}