/* roulang page: index */
:root {
      --bg-dark: #0b0d14;
      --bg-surface: #131722;
      --bg-card: #1a1f2c;
      --primary: #f43f5e;
      --secondary: #a855f7;
      --accent: #06b6d4;
      --gold: #f59e0b;
      --text-main: #f8fafc;
      --text-muted: #94a3b8;
      --border-color: rgba(255, 255, 255, 0.08);
    }
    body {
      background-color: var(--bg-dark);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      overflow-x: hidden;
    }
    .text-gradient {
      background: linear-gradient(135deg, #f43f5e 0%, #a855f7 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .neon-glow {
      box-shadow: 0 0 25px rgba(244, 63, 94, 0.35);
    }
    .card-hover {
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .card-hover:hover {
      transform: translateY(-4px);
      box-shadow: 0 10px 25px -5px rgba(244, 63, 94, 0.25);
      border-color: rgba(244, 63, 94, 0.4);
    }
    /* 隐藏滚动条 */
    .no-scrollbar::-webkit-scrollbar {
      display: none;
    }
    .no-scrollbar {
      -ms-overflow-style: none;
      scrollbar-width: none;
    }

/* roulang page: category1 */
:root {
      --bg-dark: #0b0d14;
      --bg-surface: #131722;
      --bg-card: #1a1f2c;
      --primary: #f43f5e;
      --secondary: #a855f7;
      --accent: #06b6d4;
      --gold: #f59e0b;
      --text-main: #f8fafc;
      --text-muted: #94a3b8;
      --border-color: rgba(255, 255, 255, 0.08);
    }
    body {
      background-color: var(--bg-dark);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      overflow-x: hidden;
    }
    .text-gradient {
      background: linear-gradient(135deg, #f43f5e 0%, #a855f7 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .card-hover {
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .card-hover:hover {
      transform: translateY(-4px);
      box-shadow: 0 10px 25px -5px rgba(244, 63, 94, 0.25);
      border-color: rgba(244, 63, 94, 0.4);
    }
    /* 自定义美化滚动条与高亮态 */
    ::-webkit-scrollbar {
      width: 6px;
      height: 6px;
    }
    ::-webkit-scrollbar-track {
      background: #0b0d14;
    }
    ::-webkit-scrollbar-thumb {
      background: #272d3d;
      border-radius: 3px;
    }
    ::-webkit-scrollbar-thumb:hover {
      background: #f43f5e;
    }

/* roulang page: category2 */
:root {
      --bg-dark: #0b0d14;
      --bg-surface: #131722;
      --bg-card: #1a1f2c;
      --primary: #f43f5e;
      --secondary: #a855f7;
      --accent: #06b6d4;
      --gold: #f59e0b;
      --text-main: #f8fafc;
      --text-muted: #94a3b8;
      --border-color: rgba(255, 255, 255, 0.08);
    }
    body {
      background-color: var(--bg-dark);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      overflow-x: hidden;
    }
    .text-gradient {
      background: linear-gradient(135deg, #f43f5e 0%, #a855f7 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .card-hover {
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .card-hover:hover {
      transform: translateY(-4px);
      box-shadow: 0 10px 25px -5px rgba(244, 63, 94, 0.25);
      border-color: rgba(244, 63, 94, 0.4);
    }
    .scrollbar-hide::-webkit-scrollbar {
      display: none;
    }
    .scrollbar-hide {
      -ms-overflow-style: none;
      scrollbar-width: none;
    }

/* roulang page: category3 */
:root {
      --bg-dark: #0b0d14;
      --bg-surface: #131722;
      --bg-card: #1a1f2c;
      --primary: #f43f5e;
      --secondary: #a855f7;
      --accent: #06b6d4;
      --gold: #f59e0b;
      --text-main: #f8fafc;
      --text-muted: #94a3b8;
      --border-color: rgba(255, 255, 255, 0.08);
    }
    body {
      background-color: var(--bg-dark);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      overflow-x: hidden;
    }
    .text-gradient {
      background: linear-gradient(135deg, #f43f5e 0%, #a855f7 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .card-hover {
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .card-hover:hover {
      transform: translateY(-4px);
      box-shadow: 0 10px 25px -5px rgba(244, 63, 94, 0.25);
      border-color: rgba(244, 63, 94, 0.4);
    }
    .badge-4k {
      background: linear-gradient(135deg, rgba(6, 182, 212, 0.2) 0%, rgba(6, 182, 212, 0.05) 100%);
      border: 1px solid rgba(6, 182, 212, 0.4);
      color: #06b6d4;
    }
    .filter-item-active {
      background: linear-gradient(135deg, #f43f5e 0%, #a855f7 100%);
      color: #ffffff;
      box-shadow: 0 4px 12px rgba(244, 63, 94, 0.3);
    }

/* roulang page: category4 */
:root {
      --bg-dark: #0b0d14;
      --bg-surface: #131722;
      --bg-card: #1a1f2c;
      --primary: #f43f5e;
      --secondary: #a855f7;
      --accent: #06b6d4;
      --gold: #f59e0b;
      --text-main: #f8fafc;
      --text-muted: #94a3b8;
      --border-color: rgba(255, 255, 255, 0.08);
    }
    body {
      background-color: var(--bg-dark);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      overflow-x: hidden;
    }
    .text-gradient {
      background: linear-gradient(135deg, #f43f5e 0%, #a855f7 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .card-hover {
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .card-hover:hover {
      transform: translateY(-4px);
      box-shadow: 0 10px 25px -5px rgba(244, 63, 94, 0.25);
      border-color: rgba(244, 63, 94, 0.4);
    }
    .badge-gradient {
      background: linear-gradient(135deg, rgba(244,63,94,0.9), rgba(168,85,247,0.9));
    }