/* roulang page: index */
:root {
            --color-night: #0B0F17;
            --color-panel: #111722;
            --color-card: #17202E;
            --color-signal-300: #A5B4FC;
            --color-signal-400: #818CF8;
            --color-signal-500: #6366F1;
            --color-signal-600: #4F46E5;
            --color-soda-300: #5EEAD4;
            --color-soda-400: #2DD4BF;
            --color-warm-400: #FBBF24;
            --color-text-main: #F8FAFC;
            --color-text-secondary: #94A3B8;
            --color-text-muted: #64748B;
            --color-border-light: rgba(148, 163, 184, 0.14);
            --radius-2xl: 16px;
            --radius-xl: 12px;
            --radius-lg: 8px;
            --radius-full: 9999px;
            --shadow-card: 0 10px 30px rgba(0,0,0,0.25);
            --shadow-card-hover: 0 18px 40px rgba(99,102,241,0.13);
            --font-sans: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--color-night);
            color: var(--color-text-main);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        input {
            font-family: inherit;
            outline: none;
            border: none;
            background: none;
            color: inherit;
        }
        .container {
            max-width: 80rem;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }
        @media (min-width: 640px) {
            .container {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }
        @media (min-width: 1024px) {
            .container {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }
        /* 导航 */
        .nav-tool {
            background: #0E1420;
            border-bottom: 1px solid var(--color-border-light);
            height: 64px;
            position: sticky;
            top: 0;
            z-index: 50;
            transition: background 0.3s ease;
        }
        @media (min-width: 768px) {
            .nav-tool {
                height: 72px;
            }
        }
        .nav-tool.scrolled {
            background: rgba(14, 20, 32, 0.9);
            backdrop-filter: blur(8px);
        }
        .nav-tool-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.375rem;
            padding: 0.5rem 0.875rem;
            font-size: 0.875rem;
            font-weight: 500;
            color: #94A3B8;
            border-radius: var(--radius-lg);
            transition: all 0.2s ease;
            position: relative;
        }
        .nav-tool-btn:hover {
            background: rgba(255, 255, 255, 0.05);
            color: #fff;
        }
        .nav-tool-btn.active {
            color: #fff;
        }
        .nav-tool-btn.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 2px;
            background: var(--color-signal-500);
            border-radius: 2px;
        }
        .nav-logo-text {
            font-size: 1.1rem;
            font-weight: 700;
            line-height: 1.2;
            letter-spacing: 0.02em;
            color: #fff;
        }
        .nav-logo-sub {
            font-size: 0.65rem;
            color: var(--color-text-muted);
            line-height: 1;
        }
        .nav-domain {
            font-size: 0.65rem;
            color: var(--color-text-muted);
            letter-spacing: 0.02em;
        }
        .nav-badge {
            width: 32px;
            height: 32px;
            border-radius: var(--radius-lg);
            background: linear-gradient(135deg, var(--color-signal-500), var(--color-soda-400));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1rem;
            color: #fff;
            flex-shrink: 0;
        }
        .status-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-soda-400);
            animation: pulse-dot 2s infinite;
        }
        @keyframes pulse-dot {
            0%, 100% {
                opacity: 1;
                box-shadow: 0 0 0 0 rgba(45, 212, 191, 0.4);
            }
            50% {
                opacity: 0.8;
                box-shadow: 0 0 0 4px rgba(45, 212, 191, 0);
            }
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.375rem;
            padding: 0.625rem 1.25rem;
            background: var(--color-signal-500);
            color: #fff;
            font-size: 0.875rem;
            font-weight: 500;
            border-radius: var(--radius-lg);
            transition: all 0.2s ease;
            min-height: 40px;
        }
        .btn-primary:hover {
            background: var(--color-signal-400);
            box-shadow: var(--shadow-btn-glow, 0 4px 20px rgba(99,102,241,0.3));
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: scale(0.98);
            background: var(--color-signal-600);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.375rem;
            padding: 0.625rem 1.25rem;
            background: rgba(255, 255, 255, 0.05);
            color: #E2E8F0;
            font-size: 0.875rem;
            font-weight: 500;
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all 0.2s ease;
            min-height: 40px;
        }
        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            border-color: rgba(255, 255, 255, 0.2);
        }
        .btn-secondary:active {
            transform: scale(0.98);
        }
        .btn-text-link {
            display: inline-flex;
            align-items: center;
            gap: 0.25rem;
            color: var(--color-signal-300);
            font-size: 0.875rem;
            font-weight: 500;
            padding: 0.375rem 0;
            transition: all 0.2s ease;
        }
        .btn-text-link:hover {
            color: var(--color-signal-400);
        }
        .btn-text-link:hover svg {
            transform: translateX(2px);
        }
        .btn-text-link svg {
            transition: transform 0.2s ease;
        }
        /* 徽章 */
        .badge-free {
            display: inline-flex;
            align-items: center;
            gap: 0.25rem;
            height: 22px;
            padding: 0 0.5rem;
            background: rgba(45, 212, 191, 0.1);
            color: var(--color-soda-300);
            font-size: 0.75rem;
            font-weight: 500;
            border-radius: var(--radius-full);
            line-height: 22px;
        }
        .badge-update {
            display: inline-flex;
            align-items: center;
            gap: 0.25rem;
            height: 22px;
            padding: 0 0.5rem;
            background: rgba(251, 191, 36, 0.1);
            color: var(--color-warm-400);
            font-size: 0.75rem;
            font-weight: 500;
            border-radius: var(--radius-full);
            line-height: 22px;
        }
        .badge-dead {
            display: inline-flex;
            align-items: center;
            gap: 0.25rem;
            height: 22px;
            padding: 0 0.5rem;
            background: rgba(148, 163, 184, 0.1);
            color: var(--color-text-muted);
            font-size: 0.75rem;
            font-weight: 500;
            border-radius: var(--radius-full);
            text-decoration: line-through;
            line-height: 22px;
        }
        .badge-quality {
            display: inline-flex;
            align-items: center;
            gap: 0.25rem;
            height: 22px;
            padding: 0 0.5rem;
            background: rgba(99, 102, 241, 0.1);
            color: var(--color-signal-300);
            font-size: 0.75rem;
            font-weight: 500;
            border-radius: var(--radius-full);
            line-height: 22px;
            font-family: var(--font-mono);
            letter-spacing: 0.02em;
        }
        /* 卡片 */
        .card-base {
            background: var(--color-card);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
        }
        .card-base:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(255, 255, 255, 0.1);
            transform: translateY(-4px);
        }
        .card-hover-icon:hover .card-icon {
            color: var(--color-soda-300);
        }
        .card-icon {
            transition: color 0.3s ease;
        }
        /* 区块 */
        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--color-signal-400);
            margin-bottom: 0.5rem;
        }
        .section-title {
            font-size: 1.5rem;
            font-weight: 700;
            line-height: 1.3;
            color: #fff;
            letter-spacing: -0.01em;
        }
        @media (min-width: 768px) {
            .section-title {
                font-size: 1.875rem;
            }
        }
        .section-desc {
            font-size: 1rem;
            color: var(--color-text-secondary);
            line-height: 1.75;
        }
        /* 背景装饰 */
        .bg-glow-top {
            background: radial-gradient(ellipse at 20% 0%, rgba(99,102,241,0.08) 0%, transparent 50%), radial-gradient(ellipse at 80% 10%, rgba(45,212,191,0.05) 0%, transparent 40%);
        }
        .bg-glow-left-bottom {
            background: radial-gradient(ellipse at 0% 100%, rgba(45,212,191,0.06) 0%, transparent 50%);
        }
        /* 统计条 */
        .stat-number-large {
            font-size: 1.875rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.1;
            letter-spacing: -0.02em;
        }
        .stat-label {
            font-size: 0.75rem;
            color: var(--color-text-muted);
            margin-top: 0.25rem;
        }
        /* FAQ */
        .faq-item {
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-xl);
            background: transparent;
            transition: background 0.3s ease;
        }
        .faq-item[open] {
            background: var(--color-panel);
        }
        .faq-item summary {
            cursor: pointer;
            padding: 1.25rem 1.5rem;
            font-size: 1rem;
            font-weight: 500;
            color: #fff;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '';
            width: 8px;
            height: 8px;
            border-right: 2px solid var(--color-text-muted);
            border-bottom: 2px solid var(--color-text-muted);
            transform: rotate(45deg);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }
        .faq-item[open] summary::after {
            transform: rotate(-135deg);
        }
        .faq-answer {
            padding: 0 1.5rem 1.25rem;
            color: var(--color-text-secondary);
            font-size: 0.925rem;
            line-height: 1.75;
        }
        /* 页脚 */
        .footer-title {
            font-size: 0.875rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 0.75rem;
        }
        .footer-link {
            display: block;
            padding: 0.25rem 0;
            font-size: 0.875rem;
            color: var(--color-text-secondary);
            transition: color 0.2s ease;
        }
        .footer-link:hover {
            color: var(--color-signal-300);
        }
        /* 表单 */
        .input-search {
            width: 100%;
            height: 40px;
            background: var(--color-night);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-lg);
            padding: 0 0.75rem 0 2.25rem;
            font-size: 0.875rem;
            color: #E2E8F0;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }
        .input-search::placeholder {
            color: var(--color-text-muted);
        }
        .input-search:focus {
            outline: none;
            border-color: var(--color-signal-500);
            box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
        }
        .search-wrap {
            position: relative;
        }
        .search-wrap .search-icon {
            position: absolute;
            left: 0.75rem;
            top: 50%;
            transform: translateY(-50%);
            color: var(--color-text-muted);
            pointer-events: none;
        }
        /* 移动端抽屉 */
        .mobile-drawer {
            position: fixed;
            top: 0;
            right: -320px;
            width: 320px;
            height: 100vh;
            background: #0E1420;
            z-index: 100;
            transition: right 0.3s ease;
            padding: 2rem 1.5rem;
            box-shadow: -10px 0 40px rgba(0, 0, 0, 0.3);
            border-left: 1px solid var(--color-border-light);
        }
        .mobile-drawer.open {
            right: 0;
        }
        .drawer-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100vw;
            height: 100vh;
            background: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(4px);
            z-index: 90;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease, visibility 0.3s ease;
        }
        .drawer-overlay.open {
            opacity: 1;
            visibility: visible;
        }
        /* 分类页额外样式 */
        .filter-chip {
            display: inline-flex;
            align-items: center;
            gap: 0.375rem;
            height: 36px;
            padding: 0 1rem;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.08);
            color: var(--color-text-secondary);
            font-size: 0.8125rem;
            font-weight: 500;
            border-radius: var(--radius-full);
            transition: all 0.2s ease;
            cursor: pointer;
            white-space: nowrap;
        }
        .filter-chip:hover {
            border-color: rgba(255, 255, 255, 0.2);
            color: #fff;
        }
        .filter-chip.active {
            background: var(--color-signal-500);
            border-color: var(--color-signal-500);
            color: #fff;
        }
        .list-item-card {
            background: transparent;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            border-radius: 0;
            transition: background 0.2s ease;
        }
        .list-item-card:hover {
            background: rgba(255, 255, 255, 0.02);
        }
        .list-item-card:hover .list-cover {
            transform: scale(1.05);
            filter: brightness(1.1);
        }
        .cover-3-4 {
            aspect-ratio: 3 / 4;
            object-fit: cover;
        }
        .cover-wrap {
            overflow: hidden;
            border-radius: var(--radius-lg);
            flex-shrink: 0;
        }
        .pagination-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 36px;
            height: 36px;
            padding: 0 0.5rem;
            border: 1px solid rgba(255, 255, 255, 0.08);
            color: var(--color-text-secondary);
            font-size: 0.875rem;
            border-radius: var(--radius-lg);
            transition: all 0.2s ease;
        }
        .pagination-btn:hover {
            border-color: rgba(255, 255, 255, 0.2);
            color: #fff;
        }
        .pagination-btn.active {
            background: var(--color-signal-500);
            border-color: var(--color-signal-500);
            color: #fff;
        }
        .status-tag {
            font-size: 0.675rem;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            color: var(--color-text-muted);
            font-weight: 600;
        }
        /* 自定义滚动条 */
        ::-webkit-scrollbar {
            width: 8px;
            height: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--color-night);
        }
        ::-webkit-scrollbar-thumb {
            background: #2d3748;
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #4a5568;
        }
        /* focus */
        a:focus-visible, button:focus-visible {
            outline: 2px solid var(--color-soda-400);
            outline-offset: 2px;
        }
        input:focus-visible {
            outline: 2px solid var(--color-soda-400);
            outline-offset: 2px;
        }
        .hero-bg-image {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.15;
            pointer-events: none;
        }

/* roulang page: category1 */
:root {
  --color-night: #0B0F17;
  --color-panel: #111722;
  --color-card: #17202E;
  --color-signal-300: #A5B4FC;
  --color-signal-400: #818CF8;
  --color-signal-500: #6366F1;
  --color-signal-600: #4F46E5;
  --color-soda-300: #5EEAD4;
  --color-soda-400: #2DD4BF;
  --color-warm-400: #FBBF24;
  --color-text-main: #F8FAFC;
  --color-text-secondary: #94A3B8;
  --color-text-muted: #64748B;
  --color-border-light: rgba(148,163,184,0.14);
  --radius-2xl: 16px;
  --radius-xl: 12px;
  --radius-lg: 8px;
  --radius-full: 9999px;
  --shadow-card: 0 10px 30px rgba(0,0,0,0.25);
  --shadow-card-hover: 0 18px 40px rgba(99,102,241,0.13);
  --font-sans: system-ui,-apple-system,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  --font-mono: ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-night);
  color: var(--color-text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color .2s ease;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

input {
  font-family: inherit;
  outline: none;
  border: none;
  background: none;
  color: inherit;
}

::selection {
  background: rgba(99,102,241,0.35);
  color: #fff;
}

:focus-visible {
  outline: 2px solid var(--color-soda-400);
  outline-offset: 2px;
}

.container {
  max-width: 80rem;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1rem;
  padding-right: 1rem;
}

@media (min-width: 640px) {
  .container {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
}

@media (min-width: 1024px) {
  .container {
    padding-left: 2rem;
    padding-right: 2rem;
  }
}

.nav-tool {
  background: #0E1420;
  border-bottom: 1px solid var(--color-border-light);
  height: 64px;
  position: sticky;
  top: 0;
  z-index: 60;
  transition: background .3s ease;
}

@media (min-width: 768px) {
  .nav-tool {
    height: 72px;
  }
}

.nav-tool.scrolled {
  background: rgba(14,20,32,0.92);
  backdrop-filter: blur(8px);
}

.nav-tool-btn {
  display: inline-flex;
  align-items: center;
  gap: .375rem;
  padding: .5rem .875rem;
  font-size: .875rem;
  font-weight: 500;
  color: #94A3B8;
  border-radius: var(--radius-lg);
  transition: all .2s ease;
  position: relative;
}

.nav-tool-btn:hover {
  background: rgba(255,255,255,.05);
  color: #fff;
}

.nav-tool-btn.active {
  color: #fff;
}

.nav-tool-btn.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 22px;
  height: 2px;
  background: var(--color-signal-500);
  border-radius: 2px;
}

.nav-badge {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--color-signal-500), var(--color-soda-400));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  color: #fff;
  flex-shrink: 0;
}

.nav-logo-text {
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: .02em;
  color: #fff;
}

.nav-domain {
  font-size: .65rem;
  color: var(--color-text-muted);
  letter-spacing: .02em;
  line-height: 1.2;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .375rem;
  padding: .625rem 1.25rem;
  background: var(--color-signal-500);
  color: #fff;
  font-size: .875rem;
  font-weight: 500;
  border-radius: var(--radius-lg);
  transition: all .2s ease;
  min-height: 40px;
  box-shadow: 0 0 0 0 rgba(99,102,241,0);
}

.btn-primary:hover {
  background: var(--color-signal-400);
  box-shadow: 0 4px 20px rgba(99,102,241,0.28);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: scale(0.98);
  background: var(--color-signal-600);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .375rem;
  padding: .625rem 1.25rem;
  background: rgba(255,255,255,.05);
  color: #E2E8F0;
  font-size: .875rem;
  font-weight: 500;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255,255,255,.1);
  transition: all .2s ease;
  min-height: 40px;
}

.btn-secondary:hover {
  background: rgba(255,255,255,.1);
  color: #fff;
  border-color: rgba(255,255,255,.18);
}

.btn-ghost-link {
  display: inline-flex;
  align-items: center;
  gap: .375rem;
  color: var(--color-text-secondary);
  font-size: .875rem;
  font-weight: 500;
  transition: all .2s ease;
}

.btn-ghost-link:hover {
  color: var(--color-signal-300);
}

.btn-ghost-link:hover svg {
  transform: translateX(3px);
}

.btn-ghost-link svg {
  transition: transform .2s ease;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 9999px;
  background: var(--color-soda-400);
  box-shadow: 0 0 0 0 rgba(45,212,191,.5);
  animation: pulse-status 2s infinite;
  flex-shrink: 0;
}

@keyframes pulse-status {
  0% { box-shadow: 0 0 0 0 rgba(45,212,191,.5); }
  70% { box-shadow: 0 0 0 8px rgba(45,212,191,0); }
  100% { box-shadow: 0 0 0 0 rgba(45,212,191,0); }
}

.filter-chip {
  display: inline-flex;
  align-items: center;
  gap: .375rem;
  padding: .5rem 1rem;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  color: var(--color-text-secondary);
  font-size: .875rem;
  line-height: 1.4;
  transition: all .2s ease;
}

.filter-chip:hover {
  color: #fff;
  background: rgba(255,255,255,.1);
  border-color: rgba(255,255,255,.16);
}

.filter-chip.active {
  background: var(--color-signal-500);
  border-color: var(--color-signal-500);
  color: #fff;
}

.pill-tag {
  display: inline-flex;
  align-items: center;
  gap: .25rem;
  height: 22px;
  padding: 0 .55rem;
  border-radius: var(--radius-full);
  font-size: .75rem;
  font-weight: 500;
  line-height: 1;
  white-space: nowrap;
}

.tag-soda {
  background: rgba(45,212,191,.1);
  color: var(--color-soda-300);
}

.tag-warm {
  background: rgba(251,191,36,.12);
  color: var(--color-warm-400);
}

.tag-signal {
  background: rgba(99,102,241,.12);
  color: var(--color-signal-300);
}

.tag-muted {
  background: rgba(148,163,184,.1);
  color: #94A3B8;
}

.text-link {
  color: #E2E8F0;
  transition: color .2s ease;
}

.text-link:hover {
  color: var(--color-signal-300);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.list-card {
  display: flex;
  gap: 1rem;
  align-items: stretch;
  background: var(--color-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  padding: .9rem;
  transition: all .2s ease;
}

@media (min-width: 640px) {
  .list-card {
    gap: 1.25rem;
    padding: 1rem;
  }
}

.list-card:hover {
  border-color: rgba(148,163,184,.3);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

.list-card .cover-wrap {
  overflow: hidden;
  transition: all .2s ease;
}

.list-card:hover .cover-wrap img {
  transform: scale(1.05);
  filter: brightness(1.06);
}

.list-card:hover .source-line .btn-ghost-link {
  color: var(--color-signal-300);
}

.list-cover-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .2s ease, filter .2s ease;
}

.cover-ratio {
  width: 80px;
  min-width: 80px;
  aspect-ratio: 3/4;
  border-radius: .65rem;
  overflow: hidden;
  background: #0B0F17;
}

@media (min-width: 768px) {
  .cover-ratio {
    width: 96px;
    min-width: 96px;
    border-radius: .75rem;
  }
}

.page-header-bg {
  background-image: linear-gradient(0deg, rgba(11,15,23,.96) 0%, rgba(11,15,23,.78) 100%), linear-gradient(135deg, rgba(17,23,34,.4) 0%, rgba(17,23,34,.9) 100%), url('/assets/images/backpic/back-3.jpg');
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
}

.side-panel {
  background: var(--color-card);
  border: 1px solid rgba(148,163,184,.12);
  border-radius: var(--radius-xl);
  padding: 1.25rem;
  transition: all .22s ease;
}

.faq-item {
  background: var(--color-card);
  border: 1px solid rgba(148,163,184,.12);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.faq-item details>summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 1.25rem;
  cursor: pointer;
  font-weight: 600;
  color: var(--color-text-main);
  transition: background .2s ease;
}

.faq-item details>summary::-webkit-details-marker {
  display: none;
}

.faq-item details>summary:hover {
  background: rgba(255,255,255,.03);
}

.faq-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: var(--color-text-secondary);
  transition: transform .25s ease, color .2s ease;
}

.faq-item details[open]>summary .faq-icon {
  transform: rotate(45deg);
  color: var(--color-signal-300);
}

.faq-answer {
  padding: 0 1.25rem 1.1rem;
  color: var(--color-text-secondary);
  font-size: .95rem;
  line-height: 1.8;
}

.footer-title {
  font-size: .875rem;
  font-weight: 600;
  color: #E2E8F0;
  margin-bottom: .8rem;
}

.footer-link {
  display: block;
  font-size: .875rem;
  color: var(--color-text-muted);
  margin-bottom: .5rem;
  transition: color .2s ease;
}

.footer-link:hover {
  color: var(--color-signal-300);
}

.breadcrumb-link {
  color: var(--color-text-secondary);
  font-size: .875rem;
  transition: color .2s ease;
}

.breadcrumb-link:hover {
  color: var(--color-signal-300);
}

.breadcrumb-current {
  color: var(--color-text-muted);
  font-size: .875rem;
}

.divider-y {
  border-top: 1px solid rgba(148,163,184,.1);
}

.pagination-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 .75rem;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(148,163,184,.14);
  color: var(--color-text-secondary);
  font-size: .875rem;
  transition: all .2s ease;
}

.pagination-btn:hover {
  color: #fff;
  border-color: rgba(255,255,255,.22);
  background: rgba(255,255,255,.04);
}

.pagination-btn.current {
  background: var(--color-signal-500);
  border-color: var(--color-signal-500);
  color: #fff;
}

.pagination-btn.disabled {
  opacity: .45;
  pointer-events: none;
}

.input-tool {
  width: 100%;
  height: 44px;
  padding: 0 .9rem 0 2.5rem;
  background: var(--color-night);
  border: 1px solid rgba(148,163,184,.16);
  border-radius: var(--radius-lg);
  font-size: .875rem;
  color: var(--color-text-main);
  transition: all .2s ease;
}

.input-tool::placeholder {
  color: var(--color-text-muted);
}

.input-tool:focus {
  border-color: var(--color-signal-500);
  box-shadow: 0 0 0 4px rgba(99,102,241,.18);
}

.drawer-panel {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 300px;
  max-width: 86vw;
  background: #0E1420;
  border-left: 1px solid rgba(148,163,184,.12);
  z-index: 80;
  transform: translateX(0);
  transition: transform .25s ease;
}

.drawer-panel.hide-drawer {
  transform: translateX(105%);
}

.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.6);
  backdrop-filter: blur(2px);
  z-index: 70;
}

.hot-tag-chip {
  display: inline-flex;
  align-items: center;
  padding: .35rem .75rem;
  background: rgba(99,102,241,.08);
  border: 1px solid rgba(99,102,241,.12);
  color: var(--color-text-secondary);
  font-size: .8125rem;
  border-radius: var(--radius-full);
  transition: all .2s ease;
}

.hot-tag-chip:hover {
  color: var(--color-signal-300);
  border-color: rgba(165,180,252,.3);
  background: rgba(99,102,241,.16);
}

.notice-dot {
  width: 6px;
  height: 6px;
  background: #ef4444;
  border-radius: 9999px;
  position: absolute;
  top: 7px;
  right: 7px;
}

.no-scrollbar::-webkit-scrollbar {
  display: none;
}

.no-scrollbar {
  -ms-overflow-style: none;
  scrollbar-width: none;
}