/* roulang page: index */
:root {
        --primary: #D4AF37;
        --primary-dark: #B8942E;
        --primary-light: #E3C55C;
        --secondary: #7C5CBF;
        --bg-base: #0B1120;
        --bg-card: #111C33;
        --bg-section: #111A2E;
        --text-main: #E2E8F0;
        --text-muted: #94A3B8;
        --border: rgba(148, 163, 184, .2);
        --success: #34D399;
        --danger: #F87171;
        --radius-card: 16px;
        --shadow-card: 0 4px 24px rgba(0, 0, 0, .25);
        --shadow-hover: 0 12px 40px rgba(212, 175, 55, .12);
        --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', Inter, system-ui, sans-serif;
    }
    html {
        scroll-behavior: smooth;
    }
    body {
        font-family: var(--font-sans);
        background: var(--bg-base);
        color: var(--text-main);
        line-height: 1.7;
        -webkit-font-smoothing: antialiased;
    }
    ::selection {
        background: rgba(212, 175, 55, .3);
    }
    .container-x {
        max-width: 80rem;
        margin-left: auto;
        margin-right: auto;
        padding-left: 1rem;
        padding-right: 1rem;
    }
    @media(min-width:640px) {
        .container-x {
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }
    }
    @media(min-width:1024px) {
        .container-x {
            padding-left: 2rem;
            padding-right: 2rem;
        }
    }
    .nav-tabs {
        scrollbar-width: none;
    }
    .nav-tabs::-webkit-scrollbar {
        display: none;
    }
    .nav-link {
        position: relative;
        transition: color .2s;
        white-space: nowrap;
    }
    .nav-link:hover {
        color: var(--primary-light);
    }
    .nav-link.active {
        color: #0B1120;
        background: var(--primary);
        box-shadow: 0 4px 16px rgba(212, 175, 55, .35);
    }
    .hero-bg {
        background-image: linear-gradient(to bottom, rgba(11, 17, 32, .45), rgba(11, 17, 32, .92)), url('/assets/images/backpic/back-1.webp');
        background-size: cover;
        background-position: center;
    }
    .card-hover {
        transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
    }
    .card-hover:hover {
        transform: translateY(-6px);
        border-color: rgba(212, 175, 55, .5);
        box-shadow: var(--shadow-hover);
    }
    .badge {
        display: inline-block;
        padding: .2rem .75rem;
        border-radius: 999px;
        font-size: .75rem;
        font-weight: 500;
        letter-spacing: .02em;
        background: rgba(212, 175, 55, .12);
        color: var(--primary-light);
        border: 1px solid rgba(212, 175, 55, .2);
    }
    .section-line {
        height: 1px;
        background: linear-gradient(90deg, transparent, rgba(212, 175, 55, .25), transparent);
    }
    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height .35s ease, padding .35s ease;
    }
    .faq-item.open .faq-answer {
        max-height: 300px;
        padding-top: .5rem;
        padding-bottom: 1rem;
    }
    .faq-icon {
        transition: transform .3s ease;
    }
    .faq-item.open .faq-icon {
        transform: rotate(45deg);
    }
    .feature-item {
        position: relative;
        padding-left: 1.25rem;
        transition: background .2s, padding-left .3s;
    }
    .feature-item::before {
        content: '';
        position: absolute;
        left: 0;
        top: .55em;
        width: .5rem;
        height: .5rem;
        border-radius: 999px;
        background: var(--primary);
        opacity: .8;
        transition: transform .3s;
    }
    .feature-item:hover {
        padding-left: 1.75rem;
    }
    .feature-item:hover::before {
        transform: scale(1.3);
    }
    .cta-gradient {
        background: linear-gradient(135deg, rgba(212, 175, 55, .18), rgba(124, 92, 191, .15)), #0D1526;
    }
    .img-cover {
        object-fit: cover;
        width: 100%;
        height: 100%;
    }
    .scroll-indicator {
        animation: bounceDown 2s infinite;
    }
    @keyframes bounceDown {
        0%,
        100% {
            transform: translateY(0);
            opacity: .6;
        }
        50% {
            transform: translateY(8px);
            opacity: 1;
        }
    }
    a:focus-visible,
    button:focus-visible,
    input:focus-visible {
        outline: 2px solid var(--primary);
        outline-offset: 2px;
    }
    .btn-primary:active {
        transform: translateY(1px) scale(.98);
    }
    .btn-secondary:active {
        transform: translateY(1px) scale(.98);
    }
    .thumb {
        background: linear-gradient(135deg, #16223B, #0E1730);
        display: flex;
        align-items: center;
        justify-content: center;
    }
    .thumb svg {
        width: 2rem;
        height: 2rem;
        color: rgba(212, 175, 55, .4);
    }
    @media(max-width:640px) {
        .hero-title {
            font-size: 2rem !important;
            line-height: 1.25 !important;
        }
        .btn-stack {
            flex-direction: column;
            align-items: stretch;
        }
    }
    .card-img-wrap {
        aspect-ratio: 16/10;
        overflow: hidden;
        border-radius: .75rem;
    }
    .line-clamp-2 {
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

/* roulang page: category1 */
:root {
    --bg-night: #0B1120;
    --bg-lighter: #111A2E;
    --bg-card: #111C33;
    --primary: #D4AF37;
    --primary-light: #E5C158;
    --nebula: #7C5CBF;
    --text-main: #E2E8F0;
    --text-muted: #94A3B8;
    --border-color: rgba(148, 163, 184, 0.2);
    --radius-card: 16px;
    --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.3);
  }

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

  html {
    scroll-behavior: smooth;
  }

  body {
    margin: 0;
    font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-night);
    color: var(--text-main);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
  }

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

  a {
    color: inherit;
    text-decoration: none;
    transition: color .25s ease;
  }

  button {
    font-family: inherit;
  }

  .container-x {
    max-width: 1280px;
    margin: 0 auto;
    padding-left: 1rem;
    padding-right: 1rem;
  }

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

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

  /* 导航 */
  .nav-scroll {
    -ms-overflow-style: none;
    scrollbar-width: none;
  }
  .nav-scroll::-webkit-scrollbar {
    display: none;
  }

  /* 焦点可见性 */
  a:focus-visible,
  button:focus-visible,
  input:focus-visible {
    outline: 2px solid rgba(212, 175, 55, 0.6);
    outline-offset: 2px;
  }

  /* 按钮 */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border-radius: 9999px;
    font-weight: 600;
    font-size: 0.875rem;
    padding: 0.625rem 1.25rem;
    transition: all .25s ease;
  }
  .btn-primary {
    background: var(--primary);
    color: #0B1120;
    box-shadow: 0 4px 14px rgba(212, 175, 55, 0.25);
  }
  .btn-primary:hover {
    background: var(--primary-light);
    box-shadow: 0 8px 24px rgba(212, 175, 55, 0.35);
    transform: translateY(-1px);
  }
  .btn-primary:active {
    transform: scale(0.97);
  }
  .btn-outline {
    background: transparent;
    border: 1px solid rgba(148, 163, 184, 0.5);
    color: #E2E8F0;
  }
  .btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary-light);
    background: rgba(212, 175, 55, 0.06);
  }
  .btn-outline:active {
    transform: scale(0.97);
  }

  /* 卡片 */
  .card-elevated {
    background: linear-gradient(135deg, rgba(17, 28, 51, 0.95), rgba(11, 22, 38, 0.95));
    border: 1px solid rgba(148, 163, 184, 0.18);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
    transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
  }
  .card-elevated:hover {
    transform: translateY(-4px);
    border-color: rgba(212, 175, 55, 0.45);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35), 0 0 24px rgba(212, 175, 55, 0.07);
  }

  /* 图片圆角 */
  .img-radius {
    border-radius: 10px;
  }

  /* 分隔线 */
  .divider-gradient {
    height: 1px;
    border: 0;
    background: linear-gradient(90deg, transparent, rgba(212, 175, 55, 0.35), transparent);
  }

  /* Hero 背景 */
  .hero-background {
    background-image: linear-gradient(rgba(11, 17, 32, 0.85), rgba(11, 17, 32, 0.93)), url('/assets/images/backpic/back-1.webp');
    background-size: cover;
    background-position: center;
  }

  /* 分类页横幅背景 */
  .category-banner {
    background-image: linear-gradient(rgba(11, 17, 32, 0.78), rgba(11, 17, 32, 0.92)), url('/assets/images/backpic/back-2.webp');
    background-size: cover;
    background-position: center 30%;
  }

  /* FAQ 手风琴 */
  .faq-item {
    border-bottom: 1px solid var(--border-color);
  }
  .faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 0;
    text-align: left;
    font-weight: 500;
    font-size: 1rem;
    color: var(--text-main);
    background: none;
    border: 0;
    transition: color .25s ease;
  }
  .faq-question:hover {
    color: var(--primary-light);
  }
  .faq-icon {
    flex-shrink: 0;
    width: 1.5rem;
    height: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 9999px;
    background: rgba(212, 175, 55, 0.12);
    color: var(--primary);
    transition: transform .3s ease, background .3s ease;
  }
  .faq-item.open .faq-icon {
    transform: rotate(45deg);
    background: rgba(212, 175, 55, 0.22);
  }
  .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height .4s ease, padding .3s ease;
    color: var(--text-muted);
    line-height: 1.8;
    font-size: 0.9375rem;
  }
  .faq-item.open .faq-answer {
    max-height: 400px;
    padding-bottom: 1.25rem;
  }

  /* 步骤条 */
  .step-num {
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 9999px;
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.18), rgba(124, 92, 191, 0.18));
    border: 1px solid rgba(212, 175, 55, 0.35);
    color: var(--primary-light);
    font-weight: 700;
    font-size: 1.05rem;
  }

  /* 标签 */
  .tag-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.3rem 0.9rem;
    border-radius: 9999px;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid rgba(148, 163, 184, 0.22);
    color: #94A3B8;
    transition: all .25s ease;
  }
  .tag-chip:hover,
  .tag-chip.active {
    border-color: rgba(212, 175, 55, 0.55);
    color: var(--primary-light);
    background: rgba(212, 175, 55, 0.06);
  }

  /* 指标条 */
  .stat-item {
    padding: 1rem 0.75rem;
    text-align: center;
    border-left: 1px solid rgba(148, 163, 184, 0.12);
  }
  .stat-item:first-child {
    border-left: 0;
  }
  @media (max-width: 767px) {
    .stat-item {
      border-left: 0;
      border-bottom: 1px solid rgba(148, 163, 184, 0.12);
    }
    .stat-item:last-child {
      border-bottom: 0;
    }
  }

  /* 主题滤镜 */
  .cover-overlay {
    position: relative;
    overflow: hidden;
  }
  .cover-overlay::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 45%, rgba(11, 17, 32, 0.55) 100%);
    pointer-events: none;
  }

  /* 卡片链接箭头动效 */
  .card-arrow {
    transition: transform .3s ease, color .3s ease;
  }
  .card-elevated:hover .card-arrow {
    transform: translateX(5px);
    color: var(--primary-light);
  }

  /* 评价/徽标头像组 */
  .avatar-stack {
    display: flex;
    align-items: center;
  }
  .avatar-stack .avatar {
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 9999px;
    border: 2px solid var(--bg-night);
    margin-left: -0.5rem;
    background: linear-gradient(135deg, var(--primary), var(--nebula));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 600;
    color: #0B1120;
  }
  .avatar-stack .avatar:first-child {
    margin-left: 0;
  }

  /* 响应式调整 */
  @media (max-width: 520px) {
    .btn {
      font-size: 0.8125rem;
      padding: 0.55rem 1rem;
    }
  }

/* roulang page: article */
:root {
  --night: #0B1120;
  --night-lighter: #111A2E;
  --card: #111C33;
  --primary: #D4AF37;
  --primary-light: #E6C55C;
  --nebula: #7C5CBF;
  --text-main: #E2E8F0;
  --text-muted: #94A3B8;
  --border: rgba(148, 163, 184, 0.2);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background-color: var(--night);
  color: var(--text-main);
  font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', Inter, system-ui, -apple-system, sans-serif;
  line-height: 1.7;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
button, input, select, textarea { font: inherit; }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-radius: 6px;
}
.container-x {
  width: 100%;
  max-width: 80rem;
  margin: 0 auto;
  padding: 0 1rem;
}
@media (min-width: 640px) { .container-x { padding: 0 1.5rem; } }
@media (min-width: 1024px) { .container-x { padding: 0 2rem; } }
.no-scrollbar { -ms-overflow-style: none; scrollbar-width: none; }
.no-scrollbar::-webkit-scrollbar { display: none; }

.nav-tab {
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  padding: 0.45rem 1.1rem;
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 500;
  color: #94A3B8;
  border: 1px solid transparent;
  transition: all 0.2s ease;
  -webkit-tap-highlight-color: transparent;
}
.nav-tab:hover { color: #E2E8F0; background: rgba(255,255,255,0.06); }
.nav-tab:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.nav-tab:active { transform: scale(0.96); }
.nav-tab.active {
  background: var(--primary);
  color: #0B1120;
  font-weight: 600;
  box-shadow: 0 6px 20px rgba(212,175,55,0.25);
}

.category-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.85rem;
  border-radius: 999px;
  background: rgba(212,175,55,0.12);
  border: 1px solid rgba(212,175,55,0.35);
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.share-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 999px;
  border: 1px solid rgba(148,163,184,0.25);
  color: #94A3B8;
  transition: all 0.2s ease;
}
.share-btn:hover { color: var(--primary); border-color: var(--primary); background: rgba(212,175,55,0.08); }
.share-btn:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.share-btn:active { transform: scale(0.92); }

.tag-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.85rem;
  border-radius: 999px;
  font-size: 0.8rem;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  color: #CBD5E1;
  transition: all 0.2s ease;
}
.tag-chip:hover { border-color: var(--primary); color: var(--primary); background: rgba(212,175,55,0.06); }
.tag-chip:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

.article-body {
  font-size: 1.0625rem;
  line-height: 1.9;
  color: #CBD5E1;
  word-break: break-word;
}
.article-body > *:first-child { margin-top: 0; }
.article-body h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: #F8FAFC;
  margin: 1.8em 0 0.6em;
  padding-bottom: 0.45em;
  border-bottom: 1px solid var(--border);
  line-height: 1.4;
}
.article-body h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: #E2E8F0;
  margin: 1.5em 0 0.5em;
  line-height: 1.45;
}
.article-body p { margin-bottom: 1.5em; }
.article-body a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-color: rgba(212,175,55,0.4);
  transition: all 0.2s;
}
.article-body a:hover { color: var(--primary-light); text-decoration-color: var(--primary-light); }
.article-body img { border-radius: 12px; margin: 1.6em 0; box-shadow: 0 16px 40px rgba(0,0,0,0.25); }
.article-body blockquote {
  border-left: 3px solid var(--primary);
  background: rgba(212,175,55,0.06);
  border-radius: 0 12px 12px 0;
  padding: 0.9em 1.25em;
  margin: 1.5em 0;
  color: #CBD5E1;
}
.article-body ul, .article-body ol { margin: 0 0 1.5em; padding-left: 1.4em; }
.article-body li { margin-bottom: 0.45em; }
.article-body ul li { list-style: disc; }
.article-body ol li { list-style: decimal; }
.article-body code {
  background: rgba(148,163,184,0.12);
  padding: 0.18em 0.45em;
  border-radius: 6px;
  font-size: 0.88em;
  color: #FBBF24;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
.article-body pre {
  background: #0B1626;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25em;
  overflow-x: auto;
  margin-bottom: 1.5em;
  line-height: 1.6;
}
.article-body pre code { background: none; padding: 0; color: #A5F3FC; font-size: 0.875rem; }
.article-body table { width: 100%; border-collapse: collapse; margin-bottom: 1.5em; font-size: 0.95rem; display: block; overflow-x: auto; }
.article-body th, .article-body td { border: 1px solid var(--border); padding: 0.6em 0.8em; text-align: left; }
.article-body th { background: rgba(255,255,255,0.04); color: #E2E8F0; font-weight: 600; }
.article-body hr { border: none; border-top: 1px solid var(--border); margin: 2em 0; }

.related-card {
  display: block;
  border-radius: 16px;
  border: 1px solid rgba(148,163,184,0.2);
  background: linear-gradient(180deg, #111C33 0%, #0B1626 100%);
  overflow: hidden;
  box-shadow: 0 12px 30px rgba(0,0,0,0.2);
  transition: all 0.25s ease;
}
.related-card:hover { transform: translateY(-4px); border-color: rgba(212,175,55,0.5); box-shadow: 0 18px 40px rgba(212,175,55,0.08); }
.related-card:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.related-card .cover { aspect-ratio: 16/10; overflow: hidden; background: linear-gradient(135deg, #1E293B, #0F172A); }
.related-card .cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.related-card:hover .cover img { transform: scale(1.04); }

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.6rem;
  border-radius: 999px;
  background: var(--primary);
  color: #0B1120;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.2s ease;
}
.btn-primary:hover { background: var(--primary-light); box-shadow: 0 12px 28px rgba(212,175,55,0.25); transform: translateY(-1px); }
.btn-primary:focus-visible { outline: 2px solid var(--primary-light); outline-offset: 3px; }
.btn-primary:active { transform: scale(0.97); }

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.6rem;
  border-radius: 999px;
  border: 1px solid rgba(148,163,184,0.5);
  color: #E2E8F0;
  font-weight: 500;
  font-size: 0.9rem;
  transition: all 0.2s ease;
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); background: rgba(212,175,55,0.06); }
.btn-outline:focus-visible { outline: 2px solid var(--primary); outline-offset: 3px; }
.btn-outline:active { transform: scale(0.97); }

@media (max-width: 640px) {
  .article-body { font-size: 1rem; }
  .article-body h2 { font-size: 1.3rem; }
  .article-body h3 { font-size: 1.15rem; }
}

/* roulang page: category2 */
:root {
            --bg-night: #0B1120;
            --bg-night-lighter: #111A2E;
            --card-bg: #111C33;
            --primary: #D4AF37;
            --primary-light: #E3C76A;
            --nebula: #7C5CBF;
            --text-main: #E2E8F0;
            --text-muted: #94A3B8;
            --border: rgba(148, 163, 184, 0.2);
            --success: #34D399;
            --danger: #F87171;
            --radius-card: 1rem;
            --radius-btn: 9999px;
            --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.25);
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "Inter", "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system, sans-serif;
            background: var(--bg-night);
            color: var(--text-main);
            line-height: 1.6;
        }
        * {
            box-sizing: border-box;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        button,
        input {
            font-family: inherit;
        }
        .container-x {
            width: 100%;
            max-width: 80rem;
            margin-inline: auto;
            padding-inline: 1rem;
        }
        @media (min-width: 640px) {
            .container-x {
                padding-inline: 1.5rem;
            }
        }
        @media (min-width: 1024px) {
            .container-x {
                padding-inline: 2rem;
            }
        }
        .hide-scrollbar::-webkit-scrollbar {
            display: none;
        }
        .hide-scrollbar {
            -ms-overflow-style: none;
            scrollbar-width: none;
        }
        /* 导航 Tab */
        .nav-tab {
            display: inline-flex;
            align-items: center;
            white-space: nowrap;
            padding: 0.4rem 1.1rem;
            border-radius: 9999px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(148, 163, 184, 0.15);
            color: var(--text-muted);
            font-size: 0.875rem;
            font-weight: 500;
            transition: all 0.2s ease;
        }
        .nav-tab:hover {
            background: rgba(255, 255, 255, 0.1);
            color: var(--text-main);
            border-color: rgba(212, 175, 55, 0.5);
        }
        .nav-tab.active {
            background: var(--primary);
            color: #0B1120;
            border-color: var(--primary);
            font-weight: 600;
        }
        /* 按钮 */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            border-radius: 9999px;
            background: var(--primary);
            color: #0B1120;
            font-size: 0.875rem;
            font-weight: 600;
            padding: 0.75rem 1.75rem;
            transition: all 0.2s ease;
            border: 1px solid transparent;
        }
        .btn-primary:hover {
            background: var(--primary-light);
            box-shadow: 0 10px 25px rgba(212, 175, 55, 0.2);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: scale(0.98);
        }
        .btn-primary:focus-visible {
            outline: none;
            box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.4);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            border-radius: 9999px;
            border: 1px solid rgba(148, 163, 184, 0.5);
            color: #E2E8F0;
            font-size: 0.875rem;
            font-weight: 500;
            padding: 0.75rem 1.75rem;
            transition: all 0.2s ease;
            background: transparent;
        }
        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary-light);
            box-shadow: 0 0 20px rgba(212, 175, 55, 0.1);
        }
        .btn-outline:active {
            transform: scale(0.98);
        }
        .btn-outline:focus-visible {
            outline: none;
            box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.3);
        }
        /* 过滤按钮 */
        .filter-btn {
            display: inline-flex;
            align-items: center;
            white-space: nowrap;
            border-radius: 9999px;
            padding: 0.4rem 1.2rem;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-muted);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(148, 163, 184, 0.15);
            cursor: pointer;
            transition: all 0.2s ease;
        }
        .filter-btn:hover {
            color: var(--text-main);
            border-color: rgba(212, 175, 55, 0.5);
            background: rgba(255, 255, 255, 0.08);
        }
        .filter-btn.active {
            background: var(--primary);
            color: #0B1120;
            border-color: var(--primary);
            font-weight: 600;
        }
        /* 设备卡片（横向列表式） */
        .device-card {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.25rem;
            background: linear-gradient(135deg, #111C33, #0B1626);
            border: 1px solid rgba(148, 163, 184, 0.15);
            border-radius: 1rem;
            padding: 1.25rem;
            transition: all 0.3s ease;
        }
        .device-card:hover {
            border-color: rgba(212, 175, 55, 0.5);
            box-shadow: 0 14px 35px rgba(212, 175, 55, 0.08);
            transform: translateY(-2px);
        }
        @media (min-width: 768px) {
            .device-card {
                grid-template-columns: 200px 1fr;
                padding: 1.5rem;
            }
        }
        .device-img {
            border-radius: 0.75rem;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: linear-gradient(135deg, rgba(124, 92, 191, 0.25), rgba(212, 175, 55, 0.15));
            position: relative;
        }
        .device-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .device-tag {
            display: inline-block;
            border-radius: 9999px;
            background: rgba(212, 175, 55, 0.15);
            border: 1px solid rgba(212, 175, 55, 0.35);
            color: var(--primary-light);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.15rem 0.75rem;
            letter-spacing: 0.02em;
        }
        .device-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            align-items: center;
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .device-meta .score {
            color: var(--primary-light);
            font-weight: 600;
        }
        .score-stars {
            color: var(--primary);
            letter-spacing: 2px;
        }
        /* 对比表格 */
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
        }
        .compare-table th,
        .compare-table td {
            padding: 0.9rem 1rem;
            text-align: left;
            border-bottom: 1px solid rgba(148, 163, 184, 0.12);
        }
        .compare-table th {
            color: var(--text-muted);
            font-weight: 500;
            font-size: 0.85rem;
            background: rgba(255, 255, 255, 0.03);
        }
        .compare-table td {
            color: var(--text-main);
        }
        .compare-table tr:hover td {
            background: rgba(255, 255, 255, 0.02);
        }
        .compare-table .highlight {
            color: var(--primary-light);
            font-weight: 600;
        }
        /* FAQ */
        .faq-item {
            border-bottom: 1px solid rgba(148, 163, 184, 0.15);
        }
        .faq-q {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1.1rem 0;
            text-align: left;
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-main);
            background: transparent;
            border: none;
            cursor: pointer;
            transition: color 0.2s ease;
        }
        .faq-q:hover {
            color: var(--primary-light);
        }
        .faq-q:focus-visible {
            outline: 2px solid rgba(212, 175, 55, 0.5);
            border-radius: 6px;
        }
        .faq-q .icon {
            flex-shrink: 0;
            margin-left: 1rem;
            color: var(--primary);
            font-size: 1.4rem;
            font-weight: 300;
            line-height: 1;
            transition: transform 0.3s ease;
        }
        .faq-item[open] .faq-q .icon {
            transform: rotate(45deg);
        }
        .faq-a {
            padding: 0 0 1.2rem;
            color: var(--text-muted);
            line-height: 1.8;
            font-size: 0.95rem;
        }
        /* 星星光点 */
        .star-field {
            background-image: radial-gradient(1.5px 1.5px at 20px 30px, rgba(255, 255, 255, .8), transparent),
                radial-gradient(1.5px 1.5px at 80px 120px, rgba(255, 255, 255, .6), transparent),
                radial-gradient(1px 1px at 160px 60px, rgba(212, 175, 55, .9), transparent),
                radial-gradient(1px 1px at 240px 140px, rgba(255, 255, 255, .7), transparent),
                radial-gradient(1.5px 1.5px at 320px 80px, rgba(255, 255, 255, .5), transparent);
            background-size: 360px 220px;
            opacity: 0.35;
            position: absolute;
            inset: 0;
            pointer-events: none;
        }
        /* 焦点可见 */
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid rgba(212, 175, 55, 0.6);
            outline-offset: 2px;
            border-radius: 6px;
        }