/* roulang page: index */
:root {
  --bg-primary: #0B1026;
  --bg-deep: #070B1A;
  --accent: #00D4FF;
  --accent-purple: #7B5CFF;
  --amber: #F5A623;
  --green: #34C77B;
  --text-primary: #E8EDFB;
  --text-secondary: #94A0C4;
  --text-muted: #5A6B8F;
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.10);
  --border-light: rgba(255, 255, 255, 0.08);
  --radius-card: 16px;
  --radius-glass: 24px;
  --radius-btn: 12px;
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.30);
  --shadow-hover: 0 8px 32px rgba(0, 212, 255, 0.15);
  --glow: 0 0 20px rgba(0, 212, 255, 0.35);
  --max-width: 1280px;
  --header-height: 72px;
  --space-section: 96px;
  --space-mobile: 64px;
  --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "HarmonyOS Sans SC", sans-serif;
  --font-num: Inter, "Helvetica Neue", Arial, sans-serif;
}
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-cn);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.75;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
body::before {
  content: "";
  position: fixed;
  top: -10%;
  left: -5%;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(123, 92, 255, 0.12), transparent 70%);
  pointer-events: none;
  z-index: 0;
}
body::after {
  content: "";
  position: fixed;
  top: 20%;
  right: -8%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.08), transparent 70%);
  pointer-events: none;
  z-index: 0;
}
img {
  max-width: 100%;
  display: block;
  border: 0;
}
a {
  text-decoration: none;
  color: inherit;
  transition: color 0.25s ease;
}
button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}
input {
  font-family: inherit;
  border: none;
  outline: none;
}
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
  width: 100%;
}
.section {
  padding: var(--space-section) 0;
  position: relative;
  z-index: 1;
}
.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
}
.section-head h2 {
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 700;
  letter-spacing: -0.01em;
}
.section-head h3 {
  font-size: clamp(20px, 2vw, 28px);
  font-weight: 700;
}
.head-left {
  display: flex;
  align-items: center;
  gap: 12px;
}
.head-left .bar {
  width: 4px;
  height: 26px;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--accent), var(--accent-purple));
  display: inline-block;
}
.section-tip {
  font-size: 14px;
  color: var(--text-muted);
}
.more-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.25s ease;
}
.more-link:hover {
  gap: 10px;
  color: #66e6ff;
}

/* header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 100;
  display: flex;
  align-items: center;
  background: transparent;
  transition: background 0.35s ease, backdrop-filter 0.35s ease, border-color 0.35s ease;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(11, 16, 38, 0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-color: rgba(255, 255, 255, 0.08);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.logo-mark {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-purple));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 900;
  color: #0B1026;
  box-shadow: 0 0 16px rgba(0, 212, 255, 0.35);
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}
.logo:hover .logo-mark {
  box-shadow: 0 0 28px rgba(0, 212, 255, 0.55);
  transform: scale(1.04);
}
.logo-text {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--text-primary);
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
  margin: 0 auto;
}
.nav-link {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 8px 2px;
  position: relative;
  transition: color 0.25s ease;
}
.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-purple));
  transition: width 0.3s ease;
}
.nav-link:hover {
  color: #fff;
}
.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}
.nav-link.active {
  color: #fff;
  font-weight: 600;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}
.icon-btn {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-secondary);
  transition: all 0.25s ease;
}
.icon-btn:hover {
  color: var(--accent);
  border-color: rgba(0, 212, 255, 0.5);
  box-shadow: 0 0 12px rgba(0, 212, 255, 0.2);
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-cn);
  font-size: 15px;
  font-weight: 700;
  border-radius: var(--radius-btn);
  padding: 14px 32px;
  transition: all 0.25s ease;
  border: 1px solid transparent;
  line-height: 1;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-purple));
  color: #0B1026;
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.35);
}
.btn-primary:hover {
  filter: brightness(1.1);
  box-shadow: 0 0 28px rgba(0, 212, 255, 0.5);
  transform: translateY(-1px);
}
.btn-primary:active {
  transform: scale(0.97);
}
.btn-primary:focus-visible,
.btn-outline:focus-visible {
  outline: 2px solid rgba(0, 212, 255, 0.4);
  outline-offset: 2px;
}
.btn-outline {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #fff;
}
.btn-outline:hover {
  border-color: rgba(0, 212, 255, 0.6);
  color: var(--accent);
  box-shadow: 0 0 16px rgba(0, 212, 255, 0.15);
}
.btn-sm {
  padding: 10px 22px;
  font-size: 14px;
}
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.04);
}
.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.menu-toggle.open span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
.menu-toggle.open span:nth-child(2) {
  opacity: 0;
}
.menu-toggle.open span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}
.mobile-menu {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  background: rgba(11, 16, 38, 0.96);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 20px 24px 32px;
  display: none;
  flex-direction: column;
  gap: 4px;
  z-index: 99;
}
.mobile-menu.open {
  display: flex;
}
.mobile-link {
  padding: 14px 12px;
  font-size: 16px;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: 10px;
  transition: all 0.25s ease;
}
.mobile-link:hover,
.mobile-link.active {
  color: var(--accent);
  background: rgba(0, 212, 255, 0.08);
}

/* hero */
.hero {
  position: relative;
  min-height: 75vh;
  min-height: 560px;
  max-height: 820px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  z-index: 1;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  z-index: 0;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 16, 38, 0.4) 0%, var(--bg-primary) 100%);
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding-top: 80px;
  padding-bottom: 80px;
}
.hero h1 {
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  text-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
}
.hero-sub {
  max-width: 560px;
  margin: 0 auto 36px;
  font-size: 17px;
  line-height: 1.6;
  color: var(--text-secondary);
}
.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: center;
  z-index: 3;
  opacity: 0.6;
}
.hero-scroll span {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent);
  animation: scrollDot 1.8s infinite;
}
.hero-scroll span:nth-child(2) {
  animation-delay: 0.3s;
}
.hero-scroll span:nth-child(3) {
  animation-delay: 0.6s;
}
@keyframes scrollDot {
  0%, 60%, 100% {
    transform: translateY(0);
    opacity: 0.4;
  }
  30% {
    transform: translateY(6px);
    opacity: 1;
  }
}

/* library h-scroll */
.library {
  background: transparent;
}
.h-scroll-wrap {
  position: relative;
}
.h-scroll {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 8px 4px 24px;
  margin: 0 -24px;
  padding-left: 24px;
  padding-right: 24px;
  scrollbar-width: none;
}
.h-scroll::-webkit-scrollbar {
  display: none;
}
.scroll-arrow {
  position: absolute;
  top: 40%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(12px);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 5;
  transition: all 0.25s ease;
  cursor: pointer;
}
.scroll-arrow:hover {
  background: rgba(0, 212, 255, 0.2);
  border-color: var(--accent);
  box-shadow: 0 0 16px rgba(0, 212, 255, 0.25);
}
.scroll-arrow.prev {
  left: -10px;
}
.scroll-arrow.next {
  right: -10px;
}
.film-card {
  flex: 0 0 280px;
  width: 280px;
  scroll-snap-align: start;
  border-radius: var(--radius-card);
  overflow: hidden;
  position: relative;
  background: linear-gradient(135deg, #1A2342, #2A3560);
  box-shadow: var(--shadow-card);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  border: 1px solid rgba(255, 255, 255, 0.06);
  display: block;
}
.film-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(0, 212, 255, 0.5);
}
.film-cover {
  position: relative;
  width: 100%;
  aspect-ratio: 2 / 3;
  overflow: hidden;
  background: linear-gradient(135deg, #1A2342, #2A3560);
}
.film-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  animation: fadeIn 0.3s ease forwards;
  transition: transform 0.5s ease;
}
.film-card:hover .film-cover img {
  transform: scale(1.05);
}
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
.film-cover::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: linear-gradient(transparent, rgba(11, 16, 38, 0.85));
  pointer-events: none;
}
.play-btn {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent);
  color: #0B1026;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  opacity: 0;
  transform: scale(0.7);
  transition: all 0.3s ease;
  z-index: 3;
  box-shadow: 0 0 14px rgba(0, 212, 255, 0.4);
}
.film-card:hover .play-btn {
  opacity: 1;
  transform: scale(1);
}
.film-tag {
  position: absolute;
  left: 12px;
  bottom: 12px;
  z-index: 3;
  font-size: 12px;
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(8px);
  color: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.14);
}
.film-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 40px 16px 14px;
  z-index: 2;
}
.film-info h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.film-info .sub {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.65);
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-weight: 500;
  padding: 2px 10px;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(245, 166, 35, 0.25), rgba(245, 166, 35, 0.12));
  border: 1px solid rgba(245, 166, 35, 0.4);
  color: #F5A623;
}
.badge-score {
  color: #F5A623;
  font-family: var(--font-num);
  font-weight: 600;
}

/* hot grid */
.hot {
  background: radial-gradient(ellipse at left top, rgba(123, 92, 255, 0.10), transparent 55%), radial-gradient(ellipse at right bottom, rgba(0, 212, 255, 0.06), transparent 50%);
}
.grid-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.grid-card {
  border-radius: var(--radius-card);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow-card);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  display: block;
}
.grid-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(0, 212, 255, 0.5);
}
.grid-card .film-cover {
  aspect-ratio: 2 / 3;
}
.grid-card .film-cover::after {
  height: 30%;
}
.grid-info {
  padding: 16px;
  background: rgba(11, 16, 38, 0.6);
  position: relative;
}
.grid-info h4 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.grid-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.tag {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

/* playlist blocks */
.playlists {
  overflow: hidden;
}
.playlist-block + .playlist-block {
  margin-top: 48px;
}
.playlist-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}
.playlist-head h3 {
  display: flex;
  align-items: center;
  gap: 10px;
}
.playlist-head h3 .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px rgba(0, 212, 255, 0.6);
}

/* features */
.features {
  background: rgba(255, 255, 255, 0.02);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.feature-card {
  padding: 32px 24px;
  border-radius: var(--radius-glass);
  background: var(--glass-bg);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--glass-border);
  text-align: center;
  transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
}
.feature-card:hover {
  border-color: rgba(0, 212, 255, 0.4);
  box-shadow: 0 8px 32px rgba(0, 212, 255, 0.12);
  transform: translateY(-3px);
}
.feature-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.2), rgba(123, 92, 255, 0.2));
  border: 1px solid rgba(0, 212, 255, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 800;
  color: var(--accent);
}
.feature-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 10px;
}
.feature-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* news */
.news {
  position: relative;
}
.news-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.news-item {
  display: flex;
  gap: 20px;
  align-items: center;
  padding: 16px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
  position: relative;
  overflow: hidden;
}
.news-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--accent), var(--accent-purple));
  opacity: 0;
  transition: opacity 0.3s ease;
}
.news-item:hover {
  background: rgba(255, 255, 255, 0.055);
  border-color: rgba(0, 212, 255, 0.3);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}
.news-item:hover::before {
  opacity: 1;
}
.news-thumb {
  width: 160px;
  height: 110px;
  flex-shrink: 0;
  border-radius: 12px;
  overflow: hidden;
  background: linear-gradient(135deg, #1A2342, #2A3560);
}
.news-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.news-item:hover .news-thumb img {
  transform: scale(1.05);
}
.news-content {
  flex: 1;
  min-width: 0;
}
.news-content h4 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color 0.25s ease;
}
.news-item:hover .news-content h4 {
  color: var(--accent);
}
.news-excerpt {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 12px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.news-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.news-date {
  font-size: 12px;
  color: var(--text-muted);
  font-family: var(--font-num);
}
.news-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  opacity: 0;
  transform: translateX(-6px);
  transition: all 0.25s ease;
}
.news-item:hover .news-link {
  opacity: 1;
  transform: translateX(0);
}
.news-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 64px 20px;
  border-radius: var(--radius-glass);
  background: rgba(255, 255, 255, 0.025);
  border: 1px dashed rgba(255, 255, 255, 0.12);
  color: var(--text-secondary);
  gap: 16px;
}
.empty-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid rgba(0, 212, 255, 0.3);
  background: rgba(0, 212, 255, 0.06);
  position: relative;
}
.empty-icon::after {
  content: "";
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

/* cta */
.cta-section {
  position: relative;
  padding: 100px 0;
  background-image: url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center;
  z-index: 1;
}
.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(11, 16, 38, 0.8);
  z-index: 0;
}
.cta-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}
.cta-content h2 {
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 700;
  margin-bottom: 16px;
}
.cta-content p {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 36px;
}
.cta-btn-wrap {
  display: inline-block;
  padding: 6px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.3), rgba(123, 92, 255, 0.3));
  animation: pulseGlow 2s ease-in-out infinite;
}
@keyframes pulseGlow {
  0%, 100% {
    box-shadow: 0 0 12px rgba(0, 212, 255, 0.2);
  }
  50% {
    box-shadow: 0 0 24px rgba(0, 212, 255, 0.45);
  }
}
.cta-btn-wrap .btn {
  border-radius: 12px;
}

/* footer */
.site-footer {
  background: var(--bg-deep);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 64px 0 0;
  position: relative;
  z-index: 1;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  padding-bottom: 48px;
}
.footer-brand .logo {
  margin-bottom: 16px;
}
.footer-brand p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 260px;
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 20px;
}
.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-col ul li a {
  font-size: 14px;
  color: var(--text-secondary);
  transition: color 0.25s ease;
}
.footer-col ul li a:hover {
  color: var(--accent);
}
.footer-contact p {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 20px 0;
  text-align: center;
}
.footer-bottom p {
  font-size: 13px;
  color: var(--text-muted);
}

/* mobile tabs */
.mobile-tabs {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 64px;
  background: rgba(11, 16, 38, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  z-index: 200;
  padding-bottom: env(safe-area-inset-bottom);
}
.mobile-tabs .tab-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  color: var(--text-muted);
  font-size: 12px;
  transition: color 0.25s ease, transform 0.2s ease;
}
.mobile-tabs .tab-item svg {
  width: 24px;
  height: 24px;
  transition: filter 0.25s ease;
}
.mobile-tabs .tab-item.active {
  color: var(--accent);
}
.mobile-tabs .tab-item.active svg {
  filter: drop-shadow(0 0 6px rgba(0, 212, 255, 0.5));
}
.mobile-tabs .tab-item:active {
  transform: scale(1.15);
}
.mobile-tabs .tab-item .dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0;
  margin-top: 2px;
}
.mobile-tabs .tab-item.active .dot {
  opacity: 1;
}

/* search popup */
.search-popup {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  padding: 16px 24px;
  background: rgba(11, 16, 38, 0.9);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  z-index: 99;
  display: none;
}
.search-popup.open {
  display: block;
}
.search-box {
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: 640px;
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-btn);
  padding: 6px 6px 6px 16px;
}
.search-box input {
  flex: 1;
  background: transparent;
  color: var(--text-primary);
  font-size: 14px;
  padding: 8px 0;
}
.search-box input::placeholder {
  color: var(--text-muted);
}
.search-box input:focus {
  outline: none;
}
.search-box button {
  padding: 8px 20px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-purple));
  color: #0B1026;
  font-size: 13px;
  font-weight: 700;
}

/* toast */
.toast {
  position: fixed;
  bottom: 100px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(11, 16, 38, 0.95);
  border: 1px solid rgba(0, 212, 255, 0.3);
  color: var(--text-primary);
  padding: 12px 24px;
  border-radius: 12px;
  font-size: 14px;
  z-index: 300;
  opacity: 0;
  transition: opacity 0.3s ease, transform 0.3s ease;
  pointer-events: none;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(-8px);
}

/* responsive */
@media (max-width: 1023px) {
  .main-nav {
    display: none;
  }
  .menu-toggle {
    display: flex;
  }
  .grid-cards {
    grid-template-columns: repeat(3, 1fr);
  }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .scroll-arrow {
    display: none;
  }
  .section-head {
    flex-wrap: wrap;
    gap: 12px;
  }
}
@media (max-width: 767px) {
  .section {
    padding: var(--space-mobile) 0;
  }
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
  .h-scroll {
    margin: 0 -16px;
    padding-left: 16px;
    padding-right: 16px;
  }
  .mobile-tabs {
    display: flex;
  }
  .site-footer {
    padding-bottom: 80px;
  }
  .grid-cards {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .hero {
    min-height: 60vh;
  }
  .hero h1 {
    font-size: 32px;
  }
  .hero-sub {
    font-size: 15px;
  }
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .film-card {
    flex-basis: 240px;
    width: 240px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .footer-bottom {
    padding-bottom: 12px;
  }
  .news-item {
    flex-direction: column;
    align-items: flex-start;
  }
  .news-thumb {
    width: 100%;
    height: 150px;
  }
  .news-content h4 {
    font-size: 16px;
  }
  .news-excerpt {
    white-space: normal;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  .news-link {
    opacity: 1;
    transform: none;
  }
  .section-tip {
    display: none;
  }
}
@media (max-width: 520px) {
  .grid-cards {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  .grid-info h4 {
    font-size: 14px;
  }
  .grid-info {
    padding: 12px;
  }
  .btn {
    padding: 12px 24px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .header-actions .btn-sm {
    display: inline-flex;
    padding: 9px 14px;
    font-size: 13px;
  }
  .logo-text {
    font-size: 18px;
  }
}

/* roulang page: article */
:root {
  --bg: #0B1026;
  --bg-deep: #070B1A;
  --primary: #00D4FF;
  --secondary: #7B5CFF;
  --accent: #F5A623;
  --success: #34C77B;
  --text: #E8EDFB;
  --text-sub: #94A0C4;
  --text-weak: #5A6B8F;
  --border: rgba(255,255,255,0.08);
  --border-strong: rgba(255,255,255,0.12);
  --glass: rgba(255,255,255,0.05);
  --radius: 16px;
  --radius-lg: 24px;
  --shadow: 0 4px 24px rgba(0,0,0,0.3);
  --shadow-primary: 0 0 20px rgba(0,212,255,0.35);
  --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "HarmonyOS Sans SC", sans-serif;
  --transition: all 0.3s ease;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  padding-bottom: 64px;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  display: block;
  border-radius: var(--radius);
  opacity: 0;
  animation: fadeIn 300ms ease forwards;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

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

button {
  font-family: inherit;
  border: none;
  cursor: pointer;
  transition: var(--transition);
}

input,
textarea {
  font-family: inherit;
  border: none;
  outline: none;
}

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

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* 顶部导航 */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: 72px;
  background: transparent;
  transition: var(--transition);
}

.site-header.scrolled {
  background: rgba(11, 16, 38, 0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.logo-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 900;
  color: var(--bg);
  box-shadow: 0 0 16px rgba(0, 212, 255, 0.45);
}

.logo-text {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.02em;
  background: linear-gradient(90deg, #fff, var(--primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.logo-text:hover {
  filter: drop-shadow(0 0 8px rgba(0, 212, 255, 0.6));
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  position: relative;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-sub);
  padding: 8px 0;
  white-space: nowrap;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transition: width 0.3s ease;
}

.nav-link:hover {
  color: var(--text);
}

.nav-link:hover::after {
  width: 100%;
}

.nav-link.active {
  color: var(--text);
}

.nav-link.active::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  border-radius: 12px;
  padding: 12px 24px;
  transition: var(--transition);
  line-height: 1.2;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--bg);
  box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
  color: var(--bg);
  box-shadow: 0 0 28px rgba(0, 212, 255, 0.5);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: scale(0.97);
}

.btn-primary:focus-visible,
.btn-ghost:focus-visible {
  outline: 2px solid rgba(0, 212, 255, 0.4);
  outline-offset: 2px;
}

.btn-ghost {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: var(--text);
}

.btn-ghost:hover {
  border-color: rgba(0, 212, 255, 0.6);
  color: var(--primary);
  box-shadow: 0 0 12px rgba(0, 212, 255, 0.2);
}

.menu-toggle,
.mobile-tabs {
  display: none;
}

/* 页面横幅 */
.article-hero {
  position: relative;
  min-height: 320px;
  padding: 140px 0 48px;
  display: flex;
  align-items: flex-end;
  background: linear-gradient(180deg, rgba(11, 16, 38, 0.35) 0%, var(--bg) 100%);
  overflow: hidden;
}

.article-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-1.png') no-repeat center / cover;
  opacity: 0.35;
  z-index: -1;
}

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: var(--text-weak);
  margin-bottom: 16px;
}

.breadcrumb a {
  color: var(--text-weak);
}

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

.breadcrumb .sep {
  opacity: 0.5;
}

.article-title {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 16px;
  max-width: 900px;
}

.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 14px;
  color: var(--text-sub);
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.75);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.tag-hot {
  background: linear-gradient(135deg, #F5A623, #E07B2A);
  color: #fff;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.2);
}

/* 正文区 */
.article-main {
  position: relative;
}

.article-wrap {
  max-width: 780px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}

.article-content {
  font-size: 17px;
  line-height: 1.9;
  color: var(--text);
  word-break: break-word;
}

.article-content p {
  margin-bottom: 1.5em;
}

.article-content h2 {
  font-size: clamp(24px, 3vw, 28px);
  font-weight: 700;
  margin: 48px 0 16px;
  color: #fff;
}

.article-content h3 {
  font-size: 22px;
  font-weight: 700;
  margin: 32px 0 12px;
  color: #fff;
}

.article-content img {
  max-width: 100%;
  border-radius: 12px;
  margin: 24px auto;
}

.article-content blockquote {
  border-left: 4px solid var(--primary);
  background: rgba(255, 255, 255, 0.04);
  padding: 20px;
  border-radius: 8px;
  margin-bottom: 1.5em;
  color: var(--text-sub);
}

.article-content a {
  color: var(--primary);
  border-bottom: 1px solid transparent;
}

.article-content a:hover {
  border-bottom-color: var(--primary);
}

.content-placeholder {
  max-width: 700px;
  margin: 0 auto;
  padding: 100px 24px;
  text-align: center;
  color: var(--text-sub);
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
}

.content-placeholder .icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--glass);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: var(--primary);
}

.empty-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-weight: 600;
}

.empty-back:hover {
  gap: 10px;
}

/* 相关推荐 */
.related-section {
  padding: 64px 0;
  background: radial-gradient(circle at 70% 20%, rgba(123, 92, 255, 0.1), transparent 40%),
              radial-gradient(circle at 20% 80%, rgba(0, 212, 255, 0.08), transparent 35%);
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
}

.section-title {
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 700;
  color: #fff;
  position: relative;
  padding-left: 16px;
}

.section-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 24px;
  border-radius: 4px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
}

.more-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
}

.more-link:hover {
  gap: 10px;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.card {
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 212, 255, 0.5);
  box-shadow: 0 8px 32px rgba(0, 212, 255, 0.15);
}

.card-cover {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: linear-gradient(135deg, #1A2342, #2A3560);
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
  border-radius: 0;
}

.card:hover .card-cover img {
  transform: scale(1.05);
}

.card-cover .placeholder {
  font-size: 48px;
  font-weight: 900;
  color: rgba(255, 255, 255, 0.15);
}

.card-body {
  padding: 20px;
}

.card-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-desc {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 12px;
}

.back-link {
  display: block;
  max-width: 780px;
  margin: 24px auto 80px;
  padding: 0 24px;
  text-align: center;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
}

.back-link:hover {
  text-decoration: underline;
}

/* 页脚 */
.site-footer {
  background: var(--bg-deep);
  border-top: 1px solid var(--border);
  padding: 64px 0 24px;
  margin-top: 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-brand .logo {
  margin-bottom: 16px;
}

.footer-brand p {
  color: var(--text-sub);
  font-size: 14px;
  line-height: 1.7;
  max-width: 260px;
}

.footer-col h4 {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 16px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col ul li a {
  color: var(--text-sub);
  font-size: 14px;
}

.footer-col ul li a:hover {
  color: var(--primary);
}

.footer-contact p {
  color: var(--text-sub);
  font-size: 14px;
  line-height: 1.8;
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  text-align: center;
  color: var(--text-weak);
  font-size: 13px;
}

.footer-bottom p {
  margin: 0;
}

/* 底部 Tab 移动端 */
.mobile-tabs {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 64px;
  background: rgba(11, 16, 38, 0.85);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-top: 1px solid var(--border);
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: space-around;
  padding-bottom: env(safe-area-inset-bottom);
}

.tab-item {
  flex: 1;
  height: 64px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  color: var(--text-weak);
  transition: var(--transition);
}

.tab-item:hover {
  color: var(--text-sub);
}

.tab-item.active {
  color: var(--primary);
  filter: drop-shadow(0 0 8px rgba(0, 212, 255, 0.5));
}

.tab-item svg {
  width: 24px;
  height: 24px;
  transition: transform 0.2s ease;
}

.tab-item.active svg {
  transform: scale(1.15);
}

.tab-item span {
  font-size: 12px;
  font-weight: 500;
  line-height: 1;
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  background: rgba(11, 16, 38, 0.96);
  backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border);
  padding: 16px 24px;
  z-index: 150;
  flex-direction: column;
  gap: 8px;
}

.mobile-menu.open {
  display: flex;
}

.mobile-menu a {
  padding: 14px 12px;
  font-size: 16px;
  font-weight: 500;
  color: var(--text-sub);
  border-radius: 12px;
  transition: var(--transition);
}

.mobile-menu a:hover,
.mobile-menu a.active {
  color: var(--primary);
  background: rgba(0, 212, 255, 0.06);
}

.menu-toggle {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--glass);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 4px;
}

.menu-toggle span {
  width: 20px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

.menu-toggle.open span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.menu-toggle.open span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.open span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* 响应式 */
@media (min-width: 1024px) {
  .menu-toggle,
  .mobile-menu {
    display: none !important;
  }
}

@media (max-width: 1023px) {
  .main-nav,
  .header-actions .btn {
    display: none;
  }
  .menu-toggle {
    display: flex !important;
  }
  .header-inner {
    gap: 12px;
  }
  .mobile-tabs {
    display: flex;
  }
  body {
    padding-bottom: 64px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 16px;
  }
  .article-hero {
    min-height: 240px;
    padding: 110px 0 32px;
  }
  .article-title {
    font-size: 28px;
  }
  .article-wrap {
    padding: 32px 16px 64px;
  }
  .related-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-brand p {
    max-width: none;
  }
  .section-head {
    margin-bottom: 24px;
  }
}

@media (max-width: 520px) {
  .logo-text {
    font-size: 18px;
  }
  .btn-primary {
    padding: 10px 16px;
    font-size: 13px;
  }
  .article-title {
    font-size: 24px;
  }
  .article-content {
    font-size: 15px;
    line-height: 1.85;
  }
  .article-content h2 {
    font-size: 22px;
  }
  .article-content h3 {
    font-size: 18px;
  }
  .card-body {
    padding: 16px;
  }
}

/* roulang page: category1 */
:root {
  --bg-main: #0B1026;
  --bg-deep: #070B1A;
  --bg-card: rgba(255,255,255,0.05);
  --border-main: rgba(255,255,255,0.10);
  --border-strong: rgba(255,255,255,0.16);
  --text-main: #E8EDFB;
  --text-secondary: #94A0C4;
  --text-weak: #5A6B8F;
  --accent-cyan: #00D4FF;
  --accent-purple: #7B5CFF;
  --accent-amber: #F5A623;
  --accent-green: #34C77B;
  --radius-card: 16px;
  --radius-panel: 24px;
  --radius-btn: 12px;
  --shadow-card: 0 4px 24px rgba(0,0,0,0.30);
  --shadow-glow: 0 8px 32px rgba(0,212,255,0.15);
  --shadow-btn: 0 0 20px rgba(0,212,255,0.35);
  --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "HarmonyOS Sans SC", sans-serif;
  --font-num: Inter, "Helvetica Neue", Arial, sans-serif;
  --container: 1280px;
  --space-section: 96px;
  --space-section-mobile: 64px;
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-cn);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 12% 8%, rgba(123, 92, 255, 0.12), transparent 36%),
    radial-gradient(circle at 88% 16%, rgba(0, 212, 255, 0.08), transparent 32%);
  pointer-events: none;
  z-index: 0;
}
img, svg, video {
  display: block;
  max-width: 100%;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color .25s ease, border-color .25s ease, background .25s ease, box-shadow .25s ease, transform .25s ease;
}
ul, ol {
  list-style: none;
}
button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  border: none;
  outline: none;
  background: none;
}
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
  position: relative;
  z-index: 1;
}
.main-wrapper {
  position: relative;
  z-index: 1;
}
section {
  position: relative;
}
.section-padding {
  padding: var(--space-section) 0;
}
@media (max-width: 767px) {
  .section-padding {
    padding: var(--space-section-mobile) 0;
  }
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
}
/* ===== Header / Nav ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 72px;
  z-index: 100;
  display: flex;
  align-items: center;
  background: transparent;
  transition: background .35s ease, box-shadow .35s ease, border-color .35s ease;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(11, 16, 38, 0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom-color: var(--border-main);
  box-shadow: 0 4px 30px rgba(0,0,0,0.25);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 20px;
  color: #0B1026;
  box-shadow: 0 0 18px rgba(0, 212, 255, 0.35);
  transition: box-shadow .3s ease;
}
.logo:hover .logo-mark {
  box-shadow: 0 0 28px rgba(0, 212, 255, 0.6);
}
.logo-text {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--text-main);
  transition: color .3s ease;
}
.logo:hover .logo-text {
  color: var(--accent-cyan);
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
  margin-left: 40px;
}
.nav-link {
  position: relative;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 6px 0;
  transition: color .25s ease;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple));
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .3s ease;
}
.nav-link:hover {
  color: #fff;
}
.nav-link:hover::after {
  transform: scaleX(1);
}
.nav-link.active {
  color: var(--accent-cyan);
}
.nav-link.active::after {
  transform: scaleX(1);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}
.header-search-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 16px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all .25s ease;
}
.header-search-btn:hover {
  color: var(--accent-cyan);
  border-color: rgba(0, 212, 255, 0.35);
  box-shadow: 0 0 12px rgba(0, 212, 255, 0.15);
}
.header-login {
  font-size: 14px;
  color: var(--text-secondary);
  padding: 6px 4px;
  cursor: pointer;
  border-bottom: 1px solid transparent;
}
.header-login:hover {
  color: var(--accent-cyan);
  border-bottom-color: rgba(0, 212, 255, 0.4);
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  color: #0B1026;
  font-weight: 700;
  font-size: 14px;
  line-height: 1;
  padding: 14px 28px;
  border-radius: var(--radius-btn);
  box-shadow: var(--shadow-btn);
  cursor: pointer;
  border: none;
  transition: box-shadow .3s ease, transform .2s ease, filter .2s ease;
}
.btn-primary:hover {
  filter: brightness(1.08);
  box-shadow: 0 0 28px rgba(0, 212, 255, 0.5);
  transform: translateY(-1px);
}
.btn-primary:active {
  transform: scale(0.97);
}
.btn-primary:focus-visible {
  outline: 2px solid rgba(0, 212, 255, 0.40);
  outline-offset: 2px;
}
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.25);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: var(--radius-btn);
  cursor: pointer;
  transition: border-color .3s ease, box-shadow .3s ease, transform .2s ease;
}
.btn-secondary:hover {
  border-color: rgba(0, 212, 255, 0.6);
  box-shadow: 0 0 18px rgba(0, 212, 255, 0.12);
  transform: translateY(-1px);
}
.btn-secondary:active {
  transform: scale(0.97);
}
.btn-secondary:focus-visible {
  outline: 2px solid rgba(0, 212, 255, 0.30);
  outline-offset: 2px;
}
.btn-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent-cyan);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  background: none;
  border: none;
}
.btn-link i {
  transition: transform .3s ease;
}
.btn-link:hover {
  color: #fff;
}
.btn-link:hover i {
  transform: translateX(4px);
}
/* ===== Mobile Header ===== */
.header-burger {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--text-main);
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border-main);
  cursor: pointer;
}
.mobile-drawer {
  position: fixed;
  top: 72px;
  left: 0;
  width: 100%;
  background: rgba(11, 16, 38, 0.92);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border-main);
  padding: 24px 24px 36px;
  display: none;
  flex-direction: column;
  gap: 8px;
  z-index: 99;
  box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}
.mobile-drawer.open {
  display: flex;
}
.mobile-drawer .drawer-link {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 14px 8px;
  border-radius: 10px;
  transition: all .25s ease;
}
.mobile-drawer .drawer-link:hover,
.mobile-drawer .drawer-link.active {
  color: var(--accent-cyan);
  background: rgba(0, 212, 255, 0.06);
}
.mobile-drawer .drawer-btn {
  margin-top: 12px;
  justify-content: center;
}
/* ===== Mobile Bottom Tab ===== */
.mobile-tab-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 64px;
  background: rgba(11, 16, 38, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--border-main);
  z-index: 100;
  padding-bottom: env(safe-area-inset-bottom);
}
.mobile-tab-bar .tab-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  font-size: 12px;
  color: var(--text-weak);
  transition: color .25s ease;
}
.mobile-tab-bar .tab-item i {
  font-size: 20px;
  transition: transform .2s ease, color .25s ease;
}
.mobile-tab-bar .tab-item.active {
  color: var(--accent-cyan);
}
.mobile-tab-bar .tab-item.active i {
  color: var(--accent-cyan);
  text-shadow: 0 0 12px rgba(0, 212, 255, 0.5);
}
.mobile-tab-bar .tab-item:active i {
  transform: scale(1.15);
}
/* ===== Hero ===== */
.category-hero {
  min-height: 72vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-top: 120px;
  padding-bottom: 80px;
  position: relative;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
}
.category-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11,16,38,0.45) 0%, rgba(11,16,38,0.82) 60%, var(--bg-main) 100%);
}
.category-hero .hero-inner {
  position: relative;
  z-index: 2;
  max-width: 800px;
  width: 100%;
  padding: 0 24px;
}
.category-hero .hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 20px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-cyan);
  background: rgba(0, 212, 255, 0.10);
  border: 1px solid rgba(0, 212, 255, 0.25);
  margin-bottom: 20px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.category-hero .hero-kicker {
  font-size: 14px;
  font-weight: 500;
  color: var(--accent-cyan);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.category-hero h1 {
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: 0.02em;
  margin-bottom: 16px;
  text-shadow: 0 4px 24px rgba(0,0,0,0.4);
}
.category-hero h1 .gradient-text {
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.category-hero .hero-subtitle {
  font-size: 17px;
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 620px;
  margin: 0 auto 32px;
}
.category-hero .hero-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.hero-scroll-dots {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  gap: 6px;
}
.hero-scroll-dots span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(0, 212, 255, 0.35);
  animation: scrollBounce 1.8s ease infinite;
}
.hero-scroll-dots span:nth-child(1) { animation-delay: 0s; }
.hero-scroll-dots span:nth-child(2) { animation-delay: 0.2s; }
.hero-scroll-dots span:nth-child(3) { animation-delay: 0.4s; }
@keyframes scrollBounce {
  0%, 100% { transform: translateY(0); opacity: 0.4; }
  50% { transform: translateY(6px); opacity: 1; }
}
/* ===== Filter Tabs ===== */
.filter-tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-bottom: 44px;
  margin-top: 8px;
}
.filter-tab {
  padding: 8px 20px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  color: var(--text-secondary);
  background: var(--bg-card);
  border: 1px solid var(--border-main);
  transition: all .25s ease;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.filter-tab:hover {
  color: var(--text-main);
  border-color: rgba(0, 212, 255, 0.4);
}
.filter-tab.active {
  color: var(--accent-cyan);
  border-color: var(--accent-cyan);
  background: rgba(0, 212, 255, 0.10);
  box-shadow: 0 0 12px rgba(0, 212, 255, 0.15);
}
/* ===== Section Titles ===== */
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 36px;
}
.section-head h2 {
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 700;
  line-height: 1.3;
  display: flex;
  align-items: center;
  gap: 12px;
}
.section-head h2::before {
  content: "";
  width: 4px;
  height: 26px;
  border-radius: 4px;
  background: linear-gradient(180deg, var(--accent-cyan), var(--accent-purple));
  flex-shrink: 0;
}
.section-head h3 {
  font-size: clamp(20px, 2vw, 28px);
  font-weight: 700;
}
.section-head .section-link {
  font-size: 14px;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}
.section-head .section-link:hover {
  color: var(--accent-cyan);
}
/* ===== Cards Grid ===== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.content-card {
  position: relative;
  border-radius: var(--radius-card);
  background: var(--bg-card);
  border: 1px solid var(--border-main);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.content-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
  border-color: rgba(0, 212, 255, 0.35);
}
.card-cover {
  position: relative;
  aspect-ratio: 2 / 3;
  overflow: hidden;
  background: linear-gradient(135deg, #1A2342, #2A3560);
}
.card-cover::before {
  content: "h";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 48px;
  font-weight: 900;
  color: rgba(0, 212, 255, 0.25);
  z-index: 0;
}
.card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: relative;
  z-index: 1;
  opacity: 0;
  transition: opacity .4s ease, transform .4s ease;
}
.card-cover img.loaded {
  opacity: 1;
}
.content-card:hover .card-cover img {
  transform: scale(1.05);
}
.card-play-overlay {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.8);
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(0, 212, 255, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #0B1026;
  font-size: 18px;
  opacity: 0;
  transition: opacity .3s ease, transform .3s ease;
  z-index: 3;
  box-shadow: 0 0 30px rgba(0, 212, 255, 0.4);
}
.content-card:hover .card-play-overlay {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}
.card-body {
  padding: 16px 18px 18px;
}
.card-title {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 8px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color .25s ease;
}
.content-card:hover .card-title {
  color: var(--accent-cyan);
}
.card-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.tag {
  display: inline-flex;
  align-items: center;
  padding: 3px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
  color: rgba(255,255,255,0.75);
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.10);
}
.tag-hot {
  background: linear-gradient(135deg, rgba(245, 166, 35, 0.85), rgba(245, 120, 35, 0.85));
  color: #fff;
  border: 1px solid rgba(255,255,255,0.25);
  font-weight: 600;
}
.score-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 13px;
  font-weight: 700;
  color: var(--accent-amber);
}
.score-badge::before {
  content: "★";
  font-size: 12px;
}
/* ===== Process Section ===== */
.process-section {
  background: linear-gradient(180deg, transparent, rgba(255,255,255,0.02), transparent);
  border-top: 1px solid rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.process-item {
  position: relative;
  padding: 40px 32px;
  background: var(--bg-card);
  border: 1px solid var(--border-main);
  border-radius: var(--radius-panel);
  text-align: center;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: border-color .3s ease, box-shadow .3s ease, transform .3s ease;
}
.process-item:hover {
  border-color: rgba(0, 212, 255, 0.3);
  box-shadow: var(--shadow-glow);
  transform: translateY(-4px);
}
.process-item .process-icon {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--accent-cyan);
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.20);
}
.process-item h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}
.process-item p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-secondary);
}
/* ===== Curated Row ===== */
.curated-row {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  padding: 4px 4px 20px;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: rgba(0,212,255,0.3) rgba(255,255,255,0.06);
}
.curated-row::-webkit-scrollbar {
  height: 6px;
}
.curated-row::-webkit-scrollbar-track {
  background: rgba(255,255,255,0.06);
  border-radius: 4px;
}
.curated-row::-webkit-scrollbar-thumb {
  background: rgba(0, 212, 255, 0.30);
  border-radius: 4px;
}
.curated-card {
  flex: 0 0 280px;
  scroll-snap-align: start;
}
.curated-card .card-cover {
  aspect-ratio: 2 / 3;
  border-radius: var(--radius-card) var(--radius-card) 0 0;
}
/* ===== Hot Tags ===== */
.tags-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}
.tags-cloud a {
  display: inline-block;
  padding: 8px 22px;
  border-radius: 999px;
  font-size: 14px;
  color: var(--text-secondary);
  background: var(--bg-card);
  border: 1px solid var(--border-main);
  transition: all .25s ease;
}
.tags-cloud a:hover {
  color: var(--accent-cyan);
  border-color: rgba(0, 212, 255, 0.5);
  box-shadow: 0 0 14px rgba(0, 212, 255, 0.18);
  transform: translateY(-2px);
}
/* ===== FAQ ===== */
.faq-section {
  background: linear-gradient(180deg, transparent, rgba(123, 92, 255, 0.03), transparent);
}
.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-main);
  border-radius: var(--radius-panel);
  overflow: hidden;
  transition: border-color .3s ease, box-shadow .3s ease;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.faq-item:hover {
  border-color: rgba(0, 212, 255, 0.25);
  box-shadow: var(--shadow-glow);
}
.faq-item.open {
  border-color: rgba(0, 212, 255, 0.35);
  box-shadow: var(--shadow-glow);
}
.faq-question {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 22px 24px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  transition: color .25s ease;
}
.faq-question .faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid rgba(0, 212, 255, 0.4);
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  background: rgba(0, 212, 255, 0.06);
  flex-shrink: 0;
}
.faq-question .faq-arrow {
  margin-left: auto;
  font-size: 14px;
  color: var(--text-secondary);
  transition: transform .3s ease;
}
.faq-item.open .faq-arrow {
  transform: rotate(180deg);
  color: var(--accent-cyan);
}
.faq-answer {
  max-height: 0;
  padding: 0 24px;
  overflow: hidden;
  transition: max-height .35s ease, padding .35s ease;
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.75;
}
.faq-item.open .faq-answer {
  max-height: 500px;
  padding-bottom: 24px;
}
.faq-answer p {
  padding-top: 4px;
  border-top: 1px solid rgba(255,255,255,0.06);
}
/* ===== CTA ===== */
.cta-section {
  position: relative;
  padding: 100px 0;
  background-image: url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center;
  overflow: hidden;
}
.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(11,16,38,0.85), rgba(11,16,38,0.75));
  z-index: 1;
}
.cta-section::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 60%, rgba(0, 212, 255, 0.18), transparent 55%);
  z-index: 1;
}
.cta-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}
.cta-inner h2 {
  font-size: clamp(26px, 4vw, 38px);
  font-weight: 800;
  margin-bottom: 16px;
}
.cta-inner p {
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 32px;
}
.cta-button-wrap {
  display: inline-block;
  padding: 6px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.35), rgba(123, 92, 255, 0.35));
}
.cta-button-wrap .btn-primary {
  padding: 16px 40px;
  font-size: 16px;
  border-radius: 12px;
  animation: pulseGlow 2s ease infinite;
}
@keyframes pulseGlow {
  0%, 100% {
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.35);
  }
  50% {
    box-shadow: 0 0 32px rgba(0, 212, 255, 0.55);
  }
}
/* ===== Footer ===== */
.site-footer {
  background: var(--bg-deep);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 64px 0 32px;
  position: relative;
  z-index: 1;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand .logo {
  margin-bottom: 16px;
}
.footer-brand p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 320px;
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 16px;
}
.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-col ul a {
  font-size: 14px;
  color: var(--text-secondary);
  transition: color .25s ease;
}
.footer-col ul a:hover {
  color: var(--accent-cyan);
}
.footer-contact p {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 24px;
  text-align: center;
  font-size: 13px;
  color: var(--text-weak);
}
.footer-bottom a {
  color: var(--text-weak);
}
.footer-bottom a:hover {
  color: var(--accent-cyan);
}
/* ===== Reveal Animation ===== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
/* ===== Responsive ===== */
@media (max-width: 1023px) {
  .main-nav {
    display: none;
  }
  .header-login {
    display: none;
  }
  .header-burger {
    display: flex;
  }
  .card-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
  .process-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }
  .process-item {
    padding: 28px 18px;
  }
}
@media (max-width: 767px) {
  .mobile-tab-bar {
    display: flex;
  }
  body {
    padding-bottom: 64px;
  }
  .site-header {
    height: 60px;
  }
  .mobile-drawer {
    top: 60px;
  }
  .header-inner {
    padding: 0 16px;
  }
  .category-hero {
    min-height: 60vh;
    padding-top: 100px;
    padding-bottom: 60px;
  }
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }
  .card-body {
    padding: 12px 12px 14px;
  }
  .card-title {
    font-size: 14px;
  }
  .tag {
    font-size: 11px;
    padding: 2px 10px;
  }
  .score-badge {
    font-size: 12px;
  }
  .process-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .process-item {
    padding: 28px 24px;
  }
  .curated-card {
    flex-basis: 220px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-brand p {
    max-width: 100%;
  }
  .category-hero h1 {
    font-size: 28px;
  }
  .category-hero .hero-subtitle {
    font-size: 15px;
  }
  .hero-actions .btn-primary,
  .hero-actions .btn-secondary {
    padding: 12px 24px;
    font-size: 13px;
  }
  .section-head {
    flex-direction: row;
    align-items: center;
    margin-bottom: 24px;
  }
  .section-head h2 {
    font-size: 20px;
  }
  .section-head h2::before {
    height: 20px;
  }
  .filter-tabs {
    gap: 8px;
    margin-bottom: 28px;
  }
  .filter-tab {
    padding: 6px 14px;
    font-size: 13px;
  }
  .faq-question {
    padding: 18px 16px;
    font-size: 14px;
  }
  .faq-answer {
    padding: 0 16px;
  }
  .faq-item.open .faq-answer {
    padding-bottom: 16px;
  }
  .cta-section {
    padding: 70px 0;
  }
  .cta-inner p {
    font-size: 14px;
  }
}
@media (min-width: 768px) {
  .mobile-tab-bar {
    display: none;
  }
}
@media (min-width: 1024px) {
  .main-nav {
    display: flex;
  }
  .header-burger {
    display: none;
  }
  .card-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* roulang page: category2 */
/* ===== 设计变量 ===== */
        :root {
            --bg: #0B1026;
            --bg-deep: #070B1A;
            --bg-card: rgba(255, 255, 255, 0.05);
            --bg-card-hover: rgba(255, 255, 255, 0.08);
            --border: rgba(255, 255, 255, 0.10);
            --primary: #00D4FF;
            --secondary: #7B5CFF;
            --accent: #F5A623;
            --success: #34C77B;
            --text: #E8EDFB;
            --text-secondary: #94A0C4;
            --text-weak: #5A6B8F;
            --radius: 16px;
            --radius-lg: 24px;
            --radius-btn: 12px;
            --radius-pill: 999px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.30);
            --shadow-glow: 0 0 20px rgba(0, 212, 255, 0.35);
            --shadow-glow-hover: 0 0 28px rgba(0, 212, 255, 0.50);
            --header-height: 72px;
            --container-width: 1280px;
        }

        /* ===== 基础 ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "HarmonyOS Sans SC", sans-serif;
            background: var(--bg);
            color: var(--text);
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
            position: relative;
        }
        body::before,
        body::after {
            content: '';
            position: fixed;
            width: 600px;
            height: 600px;
            border-radius: 50%;
            pointer-events: none;
            z-index: 0;
            filter: blur(60px);
        }
        body::before {
            background: rgba(123, 92, 255, 0.12);
            top: -200px;
            left: -150px;
        }
        body::after {
            background: rgba(0, 212, 255, 0.10);
            top: 300px;
            right: -200px;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.25s ease;
        }
        button {
            font-family: inherit;
            border: none;
            background: none;
            cursor: pointer;
        }
        ul {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4 {
            line-height: 1.35;
            font-weight: 700;
        }

        /* ===== 容器 ===== */
        .container {
            max-width: var(--container-width);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
            position: relative;
            z-index: 1;
        }
        .section {
            padding: 96px 0;
            position: relative;
            z-index: 1;
        }
        .section-head {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 48px;
        }
        .section-title {
            font-size: clamp(24px, 3vw, 36px);
            font-weight: 700;
            margin-bottom: 12px;
        }
        .section-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 700;
            font-size: 15px;
            border-radius: var(--radius-btn);
            padding: 14px 32px;
            transition: all 0.3s ease;
            border: 1px solid transparent;
            position: relative;
            line-height: 1;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #0B1026;
            box-shadow: var(--shadow-glow);
        }
        .btn-primary:hover {
            box-shadow: var(--shadow-glow-hover);
            transform: translateY(-1px);
            filter: brightness(1.1);
        }
        .btn-primary:active {
            transform: scale(0.97);
        }
        .btn-primary:focus-visible {
            outline: 2px solid rgba(0, 212, 255, 0.40);
            outline-offset: 2px;
        }
        .btn-outline {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.25);
            color: #fff;
        }
        .btn-outline:hover {
            border-color: rgba(0, 212, 255, 0.60);
            box-shadow: 0 0 16px rgba(0, 212, 255, 0.15);
            color: var(--primary);
        }
        .btn-sm {
            padding: 10px 20px;
            font-size: 14px;
        }
        .btn-lg {
            padding: 16px 44px;
            font-size: 17px;
        }

        /* ===== 标签与徽章 ===== */
        .tag {
            display: inline-flex;
            align-items: center;
            font-size: 12px;
            font-weight: 500;
            letter-spacing: 0.02em;
            color: rgba(255, 255, 255, 0.75);
            background: rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-pill);
            padding: 4px 12px;
            white-space: nowrap;
        }
        .badge-score {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, #F5A623, #E8830A);
            color: #fff;
            font-size: 13px;
            font-weight: 700;
            border-radius: var(--radius-pill);
            padding: 4px 10px;
            box-shadow: 0 2px 12px rgba(245, 166, 35, 0.30);
            border: 1px solid rgba(255, 255, 255, 0.20);
            min-width: 48px;
        }
        .link-more {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            transition: gap 0.25s ease;
        }
        .link-more:hover {
            gap: 10px;
            color: #fff;
        }
        .link-more span {
            transition: transform 0.25s ease;
        }

        /* ===== 顶部导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            height: var(--header-height);
            background: transparent;
            transition: background 0.4s ease, border-color 0.4s ease, backdrop-filter 0.4s ease;
        }
        .site-header.scrolled {
            background: rgba(11, 16, 38, 0.75);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo-mark {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: 12px;
            font-size: 22px;
            font-weight: 800;
            color: #0B1026;
            box-shadow: 0 0 16px rgba(0, 212, 255, 0.30);
            transition: box-shadow 0.3s ease;
        }
        .logo:hover .logo-mark {
            box-shadow: 0 0 28px rgba(0, 212, 255, 0.50);
        }
        .logo-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--text);
            letter-spacing: 0.5px;
        }
        .logo-highlight {
            color: var(--primary);
            text-shadow: 0 0 24px rgba(0, 212, 255, 0.50);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 32px;
        }
        .nav-link {
            position: relative;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 8px 2px;
            transition: color 0.25s ease;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            border-radius: 2px;
            transition: width 0.3s ease;
        }
        .nav-link:hover {
            color: #fff;
        }
        .nav-link:hover::after {
            width: 100%;
        }
        .nav-link.active {
            color: var(--primary);
            text-shadow: 0 0 16px rgba(0, 212, 255, 0.40);
        }
        .nav-link.active::after {
            width: 100%;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .search-btn {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border);
            transition: all 0.3s ease;
        }
        .search-btn:hover {
            color: var(--primary);
            border-color: rgba(0, 212, 255, 0.40);
            box-shadow: 0 0 12px rgba(0, 212, 255, 0.15);
        }
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 6px;
            padding: 10px;
            z-index: 101;
        }
        .menu-toggle span {
            width: 22px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: all 0.3s ease;
        }
        .menu-toggle.open span:nth-child(1) {
            transform: rotate(45deg) translate(6px, 6px);
        }
        .menu-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .menu-toggle.open span:nth-child(3) {
            transform: rotate(-45deg) translate(6px, -6px);
        }
        .mobile-menu {
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            background: rgba(11, 16, 38, 0.95);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            padding: 24px;
            transform: translateY(-20px);
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            border-bottom: 1px solid var(--border);
            z-index: 99;
        }
        .mobile-menu.open {
            transform: translateY(0);
            opacity: 1;
            visibility: visible;
        }
        .mobile-nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .mobile-nav .nav-link {
            padding: 14px 8px;
            font-size: 16px;
            border-radius: 8px;
        }
        .mobile-nav .nav-link:hover {
            background: rgba(255, 255, 255, 0.05);
        }

        /* ===== 分类页横幅 ===== */
        .page-banner {
            position: relative;
            min-height: 300px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background-size: cover;
            background-position: center;
            padding: 120px 0 64px;
            z-index: 1;
        }
        .banner-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 16, 38, 0.50) 0%, rgba(11, 16, 38, 0.80) 60%, var(--bg) 100%);
            z-index: 1;
        }
        .banner-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
        }
        .banner-tag {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.75);
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-radius: var(--radius-pill);
            padding: 6px 16px;
            margin-bottom: 20px;
        }
        .page-banner h1 {
            font-size: clamp(28px, 4vw, 48px);
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            line-height: 1.2;
            text-shadow: 0 4px 30px rgba(0, 0, 0, 0.40);
        }
        .page-banner p {
            font-size: 17px;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto;
            line-height: 1.6;
        }

        /* ===== 卖点区 ===== */
        .feature-section {
            padding-top: 64px;
        }
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: center;
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            transition: all 0.3s ease;
        }
        .feature-card:hover {
            background: var(--bg-card-hover);
            border-color: rgba(0, 212, 255, 0.30);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card);
        }
        .feature-icon {
            font-size: 28px;
            margin: 0 auto 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 64px;
            height: 64px;
            border-radius: 16px;
            background: linear-gradient(135deg, rgba(0, 212, 255, 0.15), rgba(123, 92, 255, 0.15));
            border: 1px solid rgba(0, 212, 255, 0.15);
        }
        .feature-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 10px;
        }
        .feature-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ===== 剧集网格 ===== */
        .catalog-section {
            background: linear-gradient(180deg, transparent 0%, rgba(123, 92, 255, 0.04) 30%, rgba(0, 212, 255, 0.03) 70%, transparent 100%);
        }
        .section-head-row {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 32px;
        }
        .section-head-row .section-title {
            margin-bottom: 0;
            text-align: left;
        }
        .drama-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .drama-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all 0.35s ease;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }
        .drama-card:hover {
            transform: translateY(-4px);
            border-color: rgba(0, 212, 255, 0.35);
            box-shadow: 0 8px 32px rgba(0, 212, 255, 0.15);
        }
        .card-cover {
            position: relative;
            aspect-ratio: 2 / 3;
            overflow: hidden;
            background: linear-gradient(135deg, #1A2342, #2A3560);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.35s ease;
            opacity: 0;
            animation: fadeIn 0.6s ease forwards;
        }
        @keyframes fadeIn {
            from {
                opacity: 0;
            }
            to {
                opacity: 1;
            }
        }
        .drama-card:hover .card-cover img {
            transform: scale(1.05);
        }
        .card-cover::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(11, 16, 38, 0.55));
            pointer-events: none;
        }
        .badge-score {
            position: absolute;
            top: 12px;
            right: 12px;
            z-index: 3;
        }
        .play-overlay {
            position: absolute;
            inset: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(11, 16, 38, 0.40);
            opacity: 0;
            transition: opacity 0.3s ease;
            z-index: 3;
        }
        .drama-card:hover .play-overlay {
            opacity: 1;
        }
        .play-btn {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: #0B1026;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            box-shadow: 0 0 24px rgba(0, 212, 255, 0.50);
            transition: transform 0.3s ease;
            border: 2px solid rgba(255, 255, 255, 0.30);
            padding-left: 3px;
        }
        .drama-card:hover .play-btn {
            transform: scale(1.10);
        }
        .card-info {
            padding: 16px;
        }
        .card-title-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
            margin-bottom: 6px;
        }
        .card-title-row h3 {
            font-size: 16px;
            font-weight: 600;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            color: var(--text);
        }
        .card-info>p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* ===== 评分榜单 ===== */
        .ranking-section {
            background: linear-gradient(135deg, rgba(123, 92, 255, 0.06), rgba(0, 212, 255, 0.04));
            position: relative;
        }
        .ranking-list {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .rank-item {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 16px 24px;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            transition: all 0.3s ease;
        }
        .rank-item:hover {
            background: var(--bg-card-hover);
            border-color: rgba(0, 212, 255, 0.25);
            transform: translateX(6px);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.20);
        }
        .rank-num {
            font-size: 28px;
            font-weight: 800;
            width: 48px;
            text-align: center;
            color: var(--primary);
            text-shadow: 0 0 20px rgba(0, 212, 255, 0.30);
            flex-shrink: 0;
        }
        .rank-info {
            flex: 1;
            display: flex;
            align-items: center;
            gap: 16px;
            min-width: 0;
        }
        .rank-info h3 {
            font-size: 16px;
            font-weight: 600;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .rank-tags {
            display: flex;
            gap: 8px;
            flex-shrink: 0;
        }
        .rank-score {
            font-size: 20px;
            font-weight: 700;
            color: var(--accent);
            flex-shrink: 0;
        }

        /* ===== 观看流程 ===== */
        .process-steps {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 24px;
        }
        .process-step {
            flex: 1;
            max-width: 240px;
            text-align: center;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px 20px;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            transition: all 0.3s ease;
        }
        .process-step:hover {
            border-color: rgba(0, 212, 255, 0.35);
            box-shadow: var(--shadow-card);
            transform: translateY(-4px);
        }
        .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: linear-gradient(135deg, rgba(0, 212, 255, 0.15), rgba(123, 92, 255, 0.15));
            color: var(--primary);
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 16px;
            border: 1px solid rgba(0, 212, 255, 0.20);
        }
        .process-step h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .process-step p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .process-arrow {
            font-size: 24px;
            color: var(--primary);
            flex-shrink: 0;
            opacity: 0.70;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: linear-gradient(180deg, transparent, rgba(123, 92, 255, 0.04), transparent);
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            transition: all 0.3s ease;
            overflow: hidden;
        }
        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            list-style: none;
            transition: color 0.3s ease;
            color: var(--text);
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '+';
            font-size: 22px;
            font-weight: 400;
            color: var(--primary);
            transition: transform 0.3s ease;
            flex-shrink: 0;
            line-height: 1;
        }
        .faq-item[open] summary::after {
            transform: rotate(45deg);
        }
        .faq-item[open] summary {
            border-bottom: 1px solid rgba(0, 212, 255, 0.20);
        }
        .faq-answer {
            padding: 16px 24px 24px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }
        .faq-answer p {
            margin-bottom: 8px;
        }
        .faq-answer p:last-child {
            margin-bottom: 0;
        }
        .faq-item:hover {
            border-color: rgba(0, 212, 255, 0.25);
        }

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            padding: 96px 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            text-align: center;
            z-index: 1;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(7, 11, 26, 0.82);
            z-index: 1;
        }
        .cta-content {
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 20px;
        }
        .cta-content h2 {
            font-size: clamp(24px, 3.5vw, 40px);
            font-weight: 800;
            color: #fff;
            line-height: 1.3;
        }
        .cta-content p {
            font-size: 17px;
            color: var(--text-secondary);
            max-width: 480px;
            margin: 0 auto;
        }
        .cta-btn-wrap {
            background: linear-gradient(135deg, rgba(0, 212, 255, 0.30), rgba(123, 92, 255, 0.30));
            border-radius: calc(var(--radius-btn) + 6px);
            padding: 6px;
            display: inline-block;
            margin-top: 8px;
        }
        .cta-btn-wrap .btn {
            border-radius: var(--radius-btn);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-deep);
            padding: 64px 0 32px;
            position: relative;
            z-index: 1;
            border-top: 1px solid var(--border);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 48px;
        }
        .footer-brand .logo {
            margin-bottom: 16px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            max-width: 320px;
            line-height: 1.7;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 16px;
            color: #fff;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul a {
            font-size: 14px;
            color: var(--text-secondary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all 0.25s ease;
        }
        .footer-col ul a:hover {
            color: var(--primary);
            padding-left: 4px;
        }
        .footer-contact p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 24px;
            text-align: center;
        }
        .footer-bottom p {
            font-size: 13px;
            color: var(--text-weak);
        }

        /* ===== 移动端底部Tab ===== */
        .bottom-tab {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            height: 64px;
            background: rgba(11, 16, 38, 0.90);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-top: 1px solid var(--border);
            z-index: 100;
            padding-bottom: env(safe-area-inset-bottom);
        }
        .tab-item {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 500;
            color: var(--text-weak);
            transition: color 0.25s ease;
            padding: 4px 0;
        }
        .tab-item svg {
            transition: transform 0.2s ease;
        }
        .tab-item.active {
            color: var(--primary);
            text-shadow: 0 0 16px rgba(0, 212, 255, 0.40);
        }
        .tab-item.active svg {
            transform: scale(1.15);
        }

        /* ===== 平板响应式 ===== */
        @media (max-width: 1023px) and (min-width: 768px) {
            .section {
                padding: 80px 0;
            }
            .main-nav {
                gap: 20px;
            }
            .header-cta {
                display: none;
            }
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .drama-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .process-steps {
                gap: 16px;
            }
            .process-step {
                padding: 24px 16px;
            }
        }

        /* ===== 移动端响应式 ===== */
        @media (max-width: 767px) {
            .section {
                padding: 64px 0;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .site-header {
                background: rgba(11, 16, 38, 0.85);
                backdrop-filter: blur(18px);
                -webkit-backdrop-filter: blur(18px);
                border-bottom: 1px solid var(--border);
            }
            .main-nav {
                display: none;
            }
            .header-cta {
                display: none;
            }
            .menu-toggle {
                display: flex;
            }
            .page-banner {
                min-height: 240px;
                padding: 96px 0 48px;
            }
            .feature-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .feature-card {
                padding: 24px 16px;
                border-radius: var(--radius);
            }
            .feature-icon {
                width: 52px;
                height: 52px;
                font-size: 22px;
                margin-bottom: 12px;
            }
            .feature-card h3 {
                font-size: 16px;
            }
            .feature-card p {
                font-size: 13px;
            }
            .section-head {
                margin-bottom: 32px;
            }
            .section-head-row {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
                margin-bottom: 24px;
            }
            .drama-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .card-info {
                padding: 12px;
            }
            .card-title-row h3 {
                font-size: 14px;
            }
            .card-info>p {
                font-size: 12px;
                -webkit-line-clamp: 2;
            }
            .badge-score {
                top: 8px;
                right: 8px;
                font-size: 12px;
                padding: 3px 8px;
                min-width: 42px;
            }
            .rank-item {
                flex-wrap: wrap;
                gap: 12px;
                padding: 14px 16px;
            }
            .rank-num {
                font-size: 22px;
                width: 32px;
            }
            .rank-info {
                flex-wrap: wrap;
                gap: 8px;
            }
            .rank-info h3 {
                font-size: 14px;
                width: 100%;
            }
            .rank-score {
                font-size: 18px;
            }
            .process-steps {
                flex-direction: column;
                gap: 16px;
            }
            .process-step {
                max-width: 100%;
                padding: 24px;
            }
            .process-arrow {
                transform: rotate(90deg);
            }
            .faq-item summary {
                padding: 16px 20px;
                font-size: 15px;
            }
            .faq-answer {
                padding: 12px 20px 20px;
                font-size: 13px;
            }
            .cta-section {
                padding: 64px 0;
            }
            .cta-content h2 {
                font-size: 26px;
            }
            .cta-content p {
                font-size: 15px;
            }
            .btn-lg {
                padding: 14px 36px;
                font-size: 15px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom {
                padding-bottom: 80px;
            }
            .bottom-tab {
                display: flex;
                position: fixed;
                bottom: 0;
                left: 0;
                right: 0;
            }
        }