/* roulang page: index */
:root {
    --color-gold: #C9A45A;
    --color-gold-light: #D9B876;
    --color-gold-dark: #8F7440;
    --color-bg: #0E0C0A;
    --color-bg-section: #151210;
    --color-bg-card: #1C1915;
    --color-bg-deep: #0C0A08;
    --color-text: #F2EDE4;
    --color-text-secondary: #A8A096;
    --color-text-muted: #6E675F;
    --color-border: rgba(255, 255, 255, 0.06);
    --color-border-hover: rgba(201, 164, 90, 0.35);
    --color-success: #7FB36B;
    --color-warning: #C0654F;
    --color-info: #7EA8C4;
    --radius-card: 12px;
    --radius-btn: 6px;
    --radius-pill: 999px;
    --shadow-rest: 0 2px 8px rgba(0, 0, 0, 0.35);
    --shadow-hover: 0 10px 30px rgba(201, 164, 90, 0.14);
    --shadow-btn-hover: 0 6px 20px rgba(201, 164, 90, 0.25);
  }

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

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

  body {
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "HarmonyOS Sans SC", sans-serif;
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.75;
    font-size: 1rem;
    margin: 0;
  }

  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,
  textarea {
    font-family: inherit;
  }

  .font-display {
    font-family: "Oswald", "DIN Alternates", "Bebas Neue", "Arial Narrow", sans-serif;
    line-height: 1;
  }

  .container {
    width: 100%;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 20px;
    padding-right: 20px;
  }

  @media (min-width: 768px) {
    .container {
      padding-left: 32px;
      padding-right: 32px;
    }
  }

  .bg-deep {
    background-color: var(--color-bg-deep);
  }

  .bg-base {
    background-color: var(--color-bg);
  }

  .bg-section {
    background-color: var(--color-bg-section);
  }

  .bg-card {
    background-color: var(--color-bg-card);
  }

  .text-gold {
    color: var(--color-gold);
  }

  .text-secondary {
    color: var(--color-text-secondary);
  }

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

  .border-line {
    border-color: var(--color-border);
  }

  .section {
    padding-top: 56px;
    padding-bottom: 56px;
  }

  @media (min-width: 768px) {
    .section {
      padding-top: 96px;
      padding-bottom: 96px;
    }
  }

  .section-title-wrap {
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 20px;
    padding-right: 20px;
    margin-bottom: 48px;
  }

  @media (min-width: 768px) {
    .section-title-wrap {
      padding-left: 32px;
      padding-right: 32px;
    }
  }

  .section-title {
    font-size: clamp(1.5rem, 2.6vw, 2.2rem);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 14px;
  }

  .section-title::before {
    content: "";
    display: block;
    width: 4px;
    height: 28px;
    background: var(--color-gold);
    border-radius: 2px;
    flex-shrink: 0;
  }

  .section-desc {
    color: var(--color-text-secondary);
    max-width: 760px;
    margin-left: 0;
    font-size: 1rem;
    line-height: 1.75;
    padding-left: 18px;
  }

  .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background-color: var(--color-gold);
    color: #0E0C0A;
    font-weight: 700;
    font-size: 1rem;
    height: 44px;
    padding: 0 24px;
    border-radius: var(--radius-btn);
    transition: background-color 0.25s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.25s ease, transform 0.15s ease;
    white-space: nowrap;
  }

  .btn-primary:hover {
    background-color: var(--color-gold-light);
    box-shadow: var(--shadow-btn-hover);
  }

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

  .btn-primary .arrow {
    transition: transform 0.25s ease;
  }

  .btn-primary:hover .arrow {
    transform: translateX(4px);
  }

  .btn-lg {
    height: 56px;
    padding: 0 36px;
    font-size: 1.05rem;
  }

  .btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: transparent;
    border: 1px solid var(--color-gold);
    color: var(--color-gold);
    font-weight: 600;
    font-size: 1rem;
    height: 44px;
    padding: 0 24px;
    border-radius: var(--radius-btn);
    transition: background-color 0.25s ease, box-shadow 0.25s ease, transform 0.15s ease;
    white-space: nowrap;
  }

  .btn-outline:hover {
    background-color: rgba(201, 164, 90, 0.1);
    box-shadow: var(--shadow-btn-hover);
  }

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

  .card {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-card);
    padding: 24px;
    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.25s ease, box-shadow 0.25s ease;
  }

  .card:hover {
    transform: translateY(-4px);
    border-color: var(--color-border-hover);
    box-shadow: var(--shadow-hover);
  }

  .badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 22px;
    padding: 0 10px;
    border-radius: var(--radius-pill);
    font-size: 0.75rem;
    font-weight: 500;
    line-height: 1;
    letter-spacing: 0.02em;
  }

  .badge-gold {
    background: var(--color-gold);
    color: #0E0C0A;
  }

  .badge-gold-outline {
    background: transparent;
    border: 1px solid var(--color-gold);
    color: var(--color-gold);
  }

  .badge-gray {
    background: rgba(255, 255, 255, 0.08);
    color: var(--color-text-secondary);
  }

  .badge-success {
    background: rgba(127, 179, 107, 0.15);
    color: var(--color-success);
  }

  .badge-warning {
    background: rgba(192, 101, 79, 0.15);
    color: var(--color-warning);
  }

  .step-card {
    border-bottom: 1px solid var(--color-border);
    padding: 32px 20px;
    transition: border-color 0.25s ease;
    display: flex;
    flex-direction: column;
    gap: 12px;
    position: relative;
  }

  .step-card .step-num {
    font-family: "Oswald", "DIN Alternates", "Bebas Neue", "Arial Narrow", sans-serif;
    font-size: 48px;
    line-height: 1;
    color: var(--color-gold);
    transition: transform 0.25s ease, color 0.25s ease;
    display: block;
  }

  .step-card:hover .step-num {
    transform: translateX(8px);
    color: var(--color-gold-light);
  }

  .step-card:hover {
    border-color: var(--color-border-hover);
  }

  .progress-track {
    background: #2A261F;
    border-radius: var(--radius-pill);
    height: 6px;
    overflow: hidden;
  }

  .progress-fill {
    background: var(--color-gold);
    border-radius: var(--radius-pill);
    height: 100%;
    width: 0;
    transition: width 1s ease;
  }

  .faq-item {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-card);
    background: var(--color-bg-card);
    transition: border-color 0.25s ease, box-shadow 0.25s ease;
  }

  .faq-item:hover {
    border-color: var(--color-border-hover);
  }

  .faq-item.open {
    border-color: rgba(201, 164, 90, 0.5);
  }

  .faq-q {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 24px;
    cursor: pointer;
    font-weight: 600;
    font-size: 1rem;
    line-height: 1.4;
  }

  .faq-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s ease;
    color: var(--color-gold);
    font-size: 1.4rem;
    font-weight: 300;
  }

  .faq-item.open .faq-icon {
    transform: rotate(45deg);
  }

  .faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    padding: 0 24px;
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    line-height: 1.75;
  }

  .faq-item.open .faq-a {
    max-height: 300px;
    padding-bottom: 20px;
  }

  .hero-section {
    position: relative;
    min-height: 78vh;
    display: flex;
    align-items: flex-start;
    justify-content: flex-start;
    background-image: url('/assets/images/backpic/back-1.png');
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    padding-bottom: 72px;
  }

  .hero-section::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(14, 12, 10, 0.92) 0%, rgba(14, 12, 10, 0.75) 40%, rgba(14, 12, 10, 0.35) 70%, rgba(14, 12, 10, 0.05) 100%);
    z-index: 1;
  }

  .hero-content {
    position: relative;
    z-index: 2;
  }

  .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(14, 12, 10, 0.7);
    border: 1px solid rgba(201, 164, 90, 0.35);
    padding: 6px 16px;
    border-radius: var(--radius-pill);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-gold);
    letter-spacing: 0.02em;
  }

  .hero-title {
    font-size: clamp(2.6rem, 6vw, 4.8rem);
    font-weight: 900;
    line-height: 1.05;
    letter-spacing: -0.01em;
    color: var(--color-text);
    margin: 24px 0 20px;
  }

  .hero-subtitle {
    font-size: clamp(1rem, 1.6vw, 1.2rem);
    color: var(--color-text-secondary);
    max-width: 560px;
    line-height: 1.75;
    margin-bottom: 36px;
  }

  .hero-trust {
    display: flex;
    align-items: center;
    gap: 32px;
    flex-wrap: wrap;
    margin-top: 48px;
  }

  .hero-trust .trust-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
  }

  .hero-trust .trust-item .num {
    font-family: "Oswald", "DIN Alternates", "Bebas Neue", "Arial Narrow", sans-serif;
    font-size: 1.6rem;
    line-height: 1;
    color: var(--color-gold);
  }

  .fade-up {
    opacity: 0;
    animation: fadeUp 0.6s ease forwards;
  }

  .fade-up-1 {
    animation-delay: 0.15s;
  }

  .fade-up-2 {
    animation-delay: 0.3s;
  }

  .fade-up-3 {
    animation-delay: 0.45s;
  }

  .fade-up-4 {
    animation-delay: 0.6s;
  }

  @keyframes fadeUp {
    from {
      opacity: 0;
      transform: translateY(20px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  @media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
      animation-duration: 0.01ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: 0.01ms !important;
    }
    html {
      scroll-behavior: auto;
    }
  }

  .top-info-bar {
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    height: 36px;
    font-size: 0.82rem;
    color: var(--color-text-secondary);
    transition: opacity 0.3s ease, max-height 0.3s ease;
  }

  .top-info-bar.hide {
    opacity: 0;
    max-height: 0;
    overflow: hidden;
    border-bottom-color: transparent;
  }

  .main-header {
    background: rgba(21, 18, 16, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    height: 72px;
    border-bottom: 1px solid var(--color-border);
    transition: box-shadow 0.3s ease;
    position: sticky;
    top: 0;
    z-index: 100;
  }

  .main-header.scrolled {
    box-shadow: 0 1px 0 rgba(201, 164, 90, 0.2), var(--shadow-rest);
  }

  .main-header .logo {
    font-weight: 800;
    font-size: 1.35rem;
    color: var(--color-text);
    letter-spacing: -0.01em;
    display: inline-flex;
    align-items: baseline;
    gap: 4px;
  }

  .main-header .logo .lv {
    color: var(--color-gold);
    font-family: "Oswald", "DIN Alternates", "Bebas Neue", "Arial Narrow", sans-serif;
    font-size: 1.2em;
    font-weight: 600;
  }

  .nav-link {
    position: relative;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    padding: 8px 4px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: color 0.2s ease;
  }

  .nav-link::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 2px;
    background: var(--color-gold);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.2s ease;
  }

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

  .nav-link:hover::after {
    transform: scaleX(1);
  }

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

  .nav-link.active::before {
    content: "";
    width: 5px;
    height: 5px;
    background: var(--color-gold);
    border-radius: 50%;
    display: inline-block;
  }

  .mobile-menu-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    color: var(--color-text);
    font-size: 1.2rem;
    transition: border-color 0.2s ease;
  }

  .mobile-menu-btn:hover {
    border-color: var(--color-gold);
  }

  .mobile-menu {
    position: fixed;
    top: 72px;
    right: 0;
    width: 280px;
    max-width: 80vw;
    background: var(--color-bg-card);
    border-left: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-rest);
    padding: 16px;
    transform: translateX(110%);
    transition: transform 0.3s ease;
    z-index: 99;
    display: block;
  }

  .mobile-menu.open {
    transform: translateX(0);
  }

  .mobile-menu a {
    display: block;
    padding: 12px 16px;
    color: var(--color-text-secondary);
    font-weight: 500;
    border-radius: 8px;
    transition: background-color 0.2s ease, color 0.2s ease;
  }

  .mobile-menu a:hover,
  .mobile-menu a.active {
    background: rgba(201, 164, 90, 0.08);
    color: var(--color-gold);
  }

  .news-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 24px 0;
    border-bottom: 1px solid var(--color-border);
    transition: background-color 0.2s ease;
  }

  .news-item:hover {
    background-color: rgba(255, 255, 255, 0.02);
  }

  .news-date {
    flex-shrink: 0;
    width: 72px;
    text-align: center;
    border-right: 1px solid var(--color-border);
    padding-right: 20px;
  }

  .news-date .day {
    font-family: "Oswald", "DIN Alternates", "Bebas Neue", "Arial Narrow", sans-serif;
    font-size: 2rem;
    line-height: 1;
    color: var(--color-gold);
  }

  .news-date .ym {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-top: 4px;
  }

  .news-main {
    flex: 1;
    min-width: 0;
  }

  .news-title {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--color-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: color 0.2s ease;
  }

  .news-item:hover .news-title {
    color: var(--color-gold);
  }

  .news-excerpt {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-top: 4px;
  }

  .news-arrow {
    flex-shrink: 0;
    color: var(--color-text-muted);
    transition: color 0.2s ease, transform 0.2s ease;
    font-size: 1.2rem;
  }

  .news-item:hover .news-arrow {
    color: var(--color-gold);
    transform: translateX(4px);
  }

  .footer-col-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 16px;
    position: relative;
    padding-bottom: 8px;
  }

  .footer-col-title::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 24px;
    height: 2px;
    background: var(--color-gold);
    border-radius: 2px;
  }

  .footer-link {
    display: block;
    padding: 4px 0;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    transition: color 0.2s ease;
  }

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

  .empty-state {
    background: var(--color-bg-card);
    border: 1px dashed rgba(201, 164, 90, 0.3);
    border-radius: var(--radius-card);
    padding: 48px 24px;
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.95rem;
  }

  .empty-state .icon {
    font-size: 2rem;
    display: block;
    margin-bottom: 12px;
    color: var(--color-gold);
  }

  .cta-border-box {
    border: 1px solid rgba(201, 164, 90, 0.2);
    border-radius: var(--radius-card);
    padding: 48px 32px;
    background: var(--color-bg-section);
    text-align: center;
  }

  @media (min-width: 768px) {
    .cta-border-box {
      padding: 72px 48px;
    }
  }

  .progress-list-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px 0;
    border-bottom: 1px solid var(--color-border);
    transition: background-color 0.2s ease;
  }

  .progress-list-item:hover {
    background-color: rgba(255, 255, 255, 0.03);
  }

  .progress-list-item .status-icon {
    flex-shrink: 0;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    margin-top: 2px;
  }

  .status-done {
    background: rgba(127, 179, 107, 0.2);
    color: var(--color-success);
  }

  .status-doing {
    background: rgba(201, 164, 90, 0.15);
    color: var(--color-gold);
  }

  .status-todo {
    background: rgba(255, 255, 255, 0.06);
    color: var(--color-text-muted);
  }

  .category-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-card);
    padding: 24px;
    transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
  }

  .category-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-border-hover);
    box-shadow: var(--shadow-hover);
  }

  .category-card .cat-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: rgba(201, 164, 90, 0.1);
    color: var(--color-gold);
    font-size: 1.3rem;
    margin-bottom: 16px;
  }

  .stat-number {
    font-family: "Oswald", "DIN Alternates", "Bebas Neue", "Arial Narrow", sans-serif;
    font-size: 84px;
    line-height: 1;
    color: var(--color-gold);
  }

  @media (max-width: 767px) {
    .stat-number {
      font-size: 60px;
    }
  }

  .divider {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: 0;
  }

  .hover-lift {
    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.25s ease, border-color 0.25s ease;
  }

  .hover-lift:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
  }

  .link-underline {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--color-gold);
    font-weight: 500;
    font-size: 0.9rem;
  }

  .link-underline .arrow {
    transition: transform 0.25s ease;
  }

  .link-underline:hover .arrow {
    transform: translateX(4px);
  }

  .img-rounded {
    border-radius: var(--radius-card);
    overflow: hidden;
  }

/* roulang page: category1 */
:root {
    --clr-gold: #C9A45A;
    --clr-gold-light: #D9B876;
    --clr-gold-dark: #8F7440;
    --clr-bg: #0E0C0A;
    --clr-bg-alt: #151210;
    --clr-card: #1C1915;
    --clr-text: #F2EDE4;
    --clr-text-secondary: #A8A096;
    --clr-text-muted: #6E675F;
    --border-default: rgba(255, 255, 255, 0.06);
    --border-gold: rgba(201, 164, 90, 0.35);
    --radius-card: 12px;
    --radius-btn: 6px;
    --radius-img: 12px;
    --radius-pill: 999px;
    --shadow-rest: 0 2px 8px rgba(0, 0, 0, 0.35);
    --shadow-hover: 0 10px 30px rgba(201, 164, 90, 0.14);
    --shadow-btn: 0 6px 20px rgba(201, 164, 90, 0.25);
  }

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

  html { scroll-behavior: smooth; }

  body {
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "HarmonyOS Sans SC", sans-serif;
    background-color: var(--clr-bg);
    color: var(--clr-text);
    line-height: 1.75;
    font-size: 16px;
  }

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

  a { text-decoration: none; color: inherit; }

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

  .font-display {
    font-family: "Oswald", "DIN Alternates", "Bebas Neue", "Arial Narrow", sans-serif;
    letter-spacing: 0.02em;
  }

  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 20px;
    padding-right: 20px;
  }

  @media (min-width: 768px) {
    .container { padding-left: 32px; padding-right: 32px; }
  }

  /* 顶部信息条 */
  .topbar {
    height: 36px;
    background: var(--clr-bg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    transition: all 0.3s ease;
  }

  .topbar-inner {
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
  }

  .topbar-domain {
    font-size: 0.75rem;
    color: var(--clr-text-muted);
    letter-spacing: 0.04em;
    font-weight: 500;
  }

  .topbar-message {
    font-size: 0.8rem;
    color: var(--clr-text-secondary);
    flex: 1;
    text-align: center;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
  }

  .topbar-btn {
    font-size: 0.75rem;
    padding: 4px 14px;
    border-radius: var(--radius-btn);
    border: 1px solid rgba(201, 164, 90, 0.4);
    color: var(--clr-gold);
    transition: all 0.2s;
    white-space: nowrap;
  }

  .topbar-btn:hover {
    background: rgba(201, 164, 90, 0.1);
  }

  /* 主导航 */
  .header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(21, 18, 16, 0.92);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    transition: box-shadow 0.3s;
  }

  .header.scrolled {
    box-shadow: 0 1px 0 rgba(201, 164, 90, 0.25), 0 8px 24px rgba(0, 0, 0, 0.4);
  }

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

  .logo {
    display: flex;
    align-items: center;
    gap: 4px;
  }

  .nav-link {
    position: relative;
    font-size: 0.95rem;
    color: var(--clr-text-secondary);
    padding: 6px 2px;
    transition: color 0.2s;
    font-weight: 400;
  }

  .nav-link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background: var(--clr-gold);
    transition: width 0.2s ease;
  }

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

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

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

  .nav-link.active::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: -4px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--clr-gold);
  }

  .menu-toggle {
    font-size: 1.3rem;
    color: var(--clr-gold);
    padding: 8px;
  }

  .mobile-menu {
    display: none;
    background: var(--clr-bg-alt);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding: 12px 20px 20px;
  }

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

  .mobile-link {
    display: block;
    font-size: 1rem;
    padding: 10px 0;
    color: var(--clr-text-secondary);
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    transition: color 0.2s;
  }

  .mobile-link:hover {
    color: var(--clr-gold);
  }

  .mobile-link.active {
    color: var(--clr-gold);
    font-weight: 500;
  }

  /* 区块通用 */
  .section {
    padding: 56px 0;
  }

  @media (min-width: 1024px) {
    .section { padding: 96px 0; }
  }

  .section-bg-alt {
    background: var(--clr-bg-alt);
  }

  .section-title {
    position: relative;
    padding-left: 18px;
    font-size: clamp(1.5rem, 2.6vw, 2.2rem);
    font-weight: 700;
    line-height: 1.3;
    color: var(--clr-text);
  }

  .section-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 4px;
    bottom: 4px;
    width: 4px;
    border-radius: 2px;
    background: var(--clr-gold);
  }

  .section-desc {
    margin-top: 12px;
    font-size: 1rem;
    color: var(--clr-text-secondary);
    line-height: 1.75;
  }

  /* 按钮 */
  .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: var(--clr-gold);
    color: #0E0C0A;
    font-weight: 700;
    height: 44px;
    padding: 0 24px;
    border-radius: var(--radius-btn);
    font-size: 0.95rem;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  }

  .btn-primary:hover {
    background: var(--clr-gold-light);
    box-shadow: var(--shadow-btn);
  }

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

  .btn-lg {
    height: 56px;
    padding: 0 32px;
    font-size: 1.05rem;
  }

  .btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: 1px solid rgba(201, 164, 90, 0.5);
    color: var(--clr-gold);
    height: 44px;
    padding: 0 24px;
    border-radius: var(--radius-btn);
    font-size: 0.95rem;
    font-weight: 500;
    transition: all 0.25s;
  }

  .btn-outline:hover {
    background: rgba(201, 164, 90, 0.1);
  }

  /* 徽章 */
  .badge {
    display: inline-flex;
    align-items: center;
    height: 22px;
    padding: 0 10px;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 500;
    line-height: 1;
  }

  .badge-gold {
    background: rgba(201, 164, 90, 0.15);
    color: var(--clr-gold);
    border: 1px solid rgba(201, 164, 90, 0.3);
  }

  .badge-outline {
    background: transparent;
    color: var(--clr-text-secondary);
    border: 1px solid rgba(255, 255, 255, 0.18);
  }

  .badge-green {
    background: rgba(127, 179, 107, 0.15);
    color: #7FB36B;
    border: 1px solid rgba(127, 179, 107, 0.3);
  }

  .badge-terra {
    background: rgba(192, 101, 79, 0.15);
    color: #C0654F;
    border: 1px solid rgba(192, 101, 79, 0.3);
  }

  /* 分类 Hero */
  .cat-hero {
    position: relative;
    background-size: cover;
    background-position: center;
    padding: 64px 0 72px;
    min-height: 340px;
    display: flex;
    align-items: center;
  }

  .cat-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(14, 12, 10, 0.9) 0%, rgba(14, 12, 10, 0.6) 55%, rgba(14, 12, 10, 0.2) 100%);
  }

  .cat-hero-inner {
    position: relative;
    z-index: 1;
  }

  .cat-hero h1 {
    font-size: clamp(2rem, 3.6vw, 3rem);
    font-weight: 800;
    line-height: 1.15;
    color: var(--clr-text);
    margin-top: 12px;
  }

  .cat-hero p {
    max-width: 600px;
    margin-top: 16px;
    font-size: 1rem;
    color: var(--clr-text-secondary);
    line-height: 1.8;
  }

  .cat-hero-tags {
    margin-top: 24px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
  }

  /* 分类卡片 */
  .cat-card {
    background: var(--clr-card);
    border-radius: var(--radius-card);
    border: 1px solid rgba(255, 255, 255, 0.06);
    overflow: hidden;
    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.25s, box-shadow 0.25s;
    display: flex;
    flex-direction: column;
  }

  @media (min-width: 640px) {
    .cat-card { flex-direction: row; }
  }

  .cat-card:hover {
    transform: translateY(-4px);
    border-color: rgba(201, 164, 90, 0.35);
    box-shadow: 0 10px 30px rgba(201, 164, 90, 0.12);
  }

  .cat-card-img {
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
  }

  @media (min-width: 640px) {
    .cat-card-img { width: 220px; }
  }

  .cat-card-img img {
    width: 100%;
    height: 100%;
    min-height: 180px;
    object-fit: cover;
    transition: transform 0.4s ease;
  }

  .cat-card:hover .cat-card-img img {
    transform: scale(1.03);
  }

  .cat-card-content {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex: 1;
  }

  .cat-card-content h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--clr-text);
    margin-top: 10px;
    line-height: 1.4;
  }

  .cat-card-content p {
    font-size: 0.9rem;
    color: var(--clr-text-secondary);
    line-height: 1.7;
    margin-top: 10px;
    flex: 1;
  }

  .cat-card-foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 16px;
    padding-top: 14px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
  }

  .btn-card-link {
    font-size: 0.85rem;
    color: var(--clr-gold);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: gap 0.2s;
  }

  .btn-card-link:hover {
    gap: 10px;
  }

  /* 侧边栏 */
  .side-block {
    background: var(--clr-card);
    border-radius: var(--radius-card);
    border: 1px solid rgba(255, 255, 255, 0.06);
    padding: 24px;
  }

  .side-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--clr-text);
    margin-bottom: 18px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }

  .side-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
    font-size: 0.9rem;
    color: var(--clr-text-secondary);
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    transition: color 0.2s, padding-left 0.2s;
  }

  .side-link:hover {
    color: var(--clr-gold);
    padding-left: 8px;
  }

  .side-link:last-child {
    border-bottom: none;
  }

  .side-link i {
    font-size: 0.75rem;
    opacity: 0.6;
  }

  .side-read-item {
    display: block;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    transition: background 0.2s, padding-left 0.2s;
  }

  .side-read-item:hover {
    background: rgba(255, 255, 255, 0.02);
    padding-left: 8px;
  }

  .side-read-item span:first-child {
    font-size: 0.85rem;
    color: var(--clr-text);
    line-height: 1.5;
    display: block;
    transition: color 0.2s;
  }

  .side-read-item:hover span:first-child {
    color: var(--clr-gold);
  }

  .side-read-item span:last-child {
    display: block;
    font-size: 0.75rem;
    color: var(--clr-text-muted);
    margin-top: 4px;
  }

  /* FAQ 手风琴 */
  .faq-item {
    background: var(--clr-card);
    border-radius: var(--radius-card);
    border: 1px solid rgba(255, 255, 255, 0.06);
    margin-bottom: 12px;
    overflow: hidden;
    transition: border-color 0.25s;
  }

  .faq-item:hover {
    border-color: rgba(201, 164, 90, 0.25);
  }

  .faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    width: 100%;
    padding: 18px 24px;
    color: var(--clr-text);
    font-size: 0.95rem;
    font-weight: 600;
    text-align: left;
    transition: color 0.2s;
  }

  .faq-question:hover {
    color: var(--clr-gold);
  }

  .faq-question i {
    color: var(--clr-gold);
    font-size: 0.85rem;
    transition: transform 0.2s;
    flex-shrink: 0;
  }

  .faq-item.open .faq-question i {
    transform: rotate(45deg);
  }

  .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    padding: 0 24px;
    font-size: 0.9rem;
    color: var(--clr-text-secondary);
    line-height: 1.75;
  }

  .faq-item.open .faq-answer {
    padding: 0 24px 20px;
  }

  /* CTA 区块 */
  .cta-box {
    background: var(--clr-bg-alt);
    border: 1px solid rgba(201, 164, 90, 0.25);
    border-radius: 16px;
    padding: 48px 32px;
    text-align: center;
    position: relative;
    overflow: hidden;
  }

  .cta-box h2 {
    font-size: clamp(1.8rem, 3.2vw, 2.6rem);
    font-weight: 800;
    line-height: 1.2;
    color: var(--clr-text);
  }

  .cta-box p {
    margin-top: 14px;
    font-size: 1rem;
    color: var(--clr-text-secondary);
    margin-bottom: 28px;
  }

  /* 页脚 */
  .footer-col-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--clr-text);
    margin-bottom: 16px;
  }

  .footer-link {
    display: block;
    font-size: 0.9rem;
    color: var(--clr-text-secondary);
    padding: 6px 0;
    transition: color 0.2s;
  }

  .footer-link:hover {
    color: var(--clr-gold);
  }

  /* 动画 */
  @keyframes fadeUp {
    from {
      opacity: 0;
      transform: translateY(20px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  .animate-fade-up {
    animation: fadeUp 0.6s ease both;
  }

  .delay-1 { animation-delay: 0.15s; }
  .delay-2 { animation-delay: 0.3s; }
  .delay-3 { animation-delay: 0.45s; }

  @media (prefers-reduced-motion: reduce) {
    * {
      animation: none !important;
      transition: none !important;
    }
    html { scroll-behavior: auto; }
  }

  /* 焦点可访问性 */
  a:focus-visible,
  button:focus-visible {
    outline: 2px solid var(--clr-gold);
    outline-offset: 2px;
  }

/* roulang page: article */
:root {
  --primary: #C9A45A;
  --primary-light: #D9B876;
  --primary-dark: #8F7440;
  --bg: #0E0C0A;
  --bg-alt: #151210;
  --panel: #1C1915;
  --text-main: #F2EDE4;
  --text-secondary: #A8A096;
  --text-muted: #6E675F;
  --success: #7FB36B;
  --warning: #C0654F;
  --info: #7EA8C4;
  --line: rgba(255,255,255,0.06);
  --line-gold: rgba(201,164,90,0.35);
  --radius-card: 12px;
  --radius-btn: 6px;
  --radius-pill: 999px;
  --shadow-card: 0 2px 8px rgba(0,0,0,0.35);
  --shadow-hover: 0 10px 30px rgba(201,164,90,0.14);
  --shadow-btn: 0 6px 20px rgba(201,164,90,0.25);
}
*,*::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-main);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
button,input,textarea{font-family:inherit}
.container{width:100%;max-width:1200px;margin-inline:auto;padding-inline:32px}
@media(max-width:768px){.container{padding-inline:20px}}
.font-display{font-family:"Oswald","DIN Alternate","Bebas Neue","Arial Narrow",sans-serif;line-height:1;letter-spacing:0.02em}
.topbar{
  height:36px;background:var(--bg);border-bottom:1px solid rgba(255,255,255,0.04);
  transition:transform 0.25s ease;font-size:0.75rem;color:var(--text-muted);
  position:relative;z-index:60;
}
.topbar-hidden{transform:translateY(-100%)}
.topbar .container{display:flex;align-items:center;justify-content:space-between;height:100%}
.main-nav{
  background:rgba(21,18,16,0.88);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:50;
}
.main-nav .container{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{font-size:1.25rem;font-weight:800;letter-spacing:-0.01em;color:var(--text-main);display:flex;align-items:center;gap:2px}
.logo .gold{color:var(--primary);font-family:"Oswald","DIN Alternate","Bebas Neue",sans-serif;font-weight:600;font-size:1.1rem}
.nav-link{
  position:relative;font-size:0.95rem;color:var(--text-secondary);
  padding:6px 2px;transition:color 0.2s;display:inline-flex;align-items:center;gap:6px;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;
  background:var(--primary);transition:width 0.2s cubic-bezier(0.4,0,0.2,1);
}
.nav-link:hover,.nav-link.active{color:var(--text-main)}
.nav-link:hover::after,.nav-link.active::after{width:100%}
.nav-link.active::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--primary);flex-shrink:0}
.mobile-menu{
  background:var(--bg-alt);border-bottom:1px solid var(--line);
  padding:16px 20px 24px;display:flex;flex-direction:column;gap:14px;
}
.mobile-link{font-size:1rem;color:var(--text-secondary);padding:6px 0;border-bottom:1px solid rgba(255,255,255,0.04);transition:color 0.2s}
.mobile-link:hover,.mobile-link.active{color:var(--primary-light)}
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--primary);color:#0E0C0A;font-weight:700;height:44px;
  padding:0 26px;border-radius:var(--radius-btn);border:none;cursor:pointer;
  font-size:0.95rem;transition:background 0.25s,box-shadow 0.25s,transform 0.15s;
}
.btn-primary:hover{background:var(--primary-light);box-shadow:var(--shadow-btn)}
.btn-primary:active{transform:scale(0.97)}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;border:1px solid rgba(201,164,90,0.6);color:var(--primary);
  border-radius:var(--radius-btn);height:44px;padding:0 24px;font-weight:600;
  font-size:0.95rem;cursor:pointer;transition:background 0.2s,border-color 0.2s,color 0.2s;
}
.btn-outline:hover{background:rgba(201,164,90,0.1);border-color:var(--primary-light);color:var(--primary-light)}
.badge{
  display:inline-flex;align-items:center;height:22px;padding:0 10px;
  border-radius:var(--radius-pill);font-size:0.75rem;font-weight:500;line-height:1;
  white-space:nowrap;
}
.badge-gold{background:rgba(201,164,90,0.12);color:var(--primary);border:1px solid rgba(201,164,90,0.3)}
.article-hero{
  position:relative;background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);overflow:hidden;
}
.article-hero::before{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(90deg,rgba(14,12,10,0.96) 10%,rgba(14,12,10,0.84) 55%,rgba(14,12,10,0.5) 100%);
}
.article-hero .container{position:relative;z-index:2}
@keyframes fadeUp{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}
.article-hero .hero-eyebrow{animation:fadeUp 0.5s ease-out both}
.article-hero .breadcrumb{animation:fadeUp 0.55s ease-out 0.1s both}
.article-hero .article-title{animation:fadeUp 0.65s ease-out 0.2s both}
.article-hero .article-meta{animation:fadeUp 0.65s ease-out 0.3s both}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:0.85rem;color:var(--text-muted);
}
.breadcrumb a{color:var(--text-secondary);transition:color 0.2s}
.breadcrumb a:hover{color:var(--primary-light)}
.breadcrumb .sep{color:var(--text-muted);user-select:none}
.breadcrumb .current{color:var(--text-muted);max-width:260px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.article-title{
  font-size:clamp(2rem,3.6vw,3rem);font-weight:800;line-height:1.15;
  letter-spacing:-0.01em;color:var(--text-main);margin-top:14px;margin-bottom:18px;
  max-width:820px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;color:var(--text-muted);font-size:0.875rem}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--primary-dark);display:inline-block}
.article-meta .font-display{font-size:0.9rem}
.article-body{
  max-width:760px;margin:0 auto;
  font-size:1.1rem;line-height:1.85;color:#D8D2C9;
}
.article-body p{margin-bottom:1.4em}
.article-body h2,.article-body h3{font-weight:700;color:var(--text-main);margin-top:1.8em;margin-bottom:0.7em}
.article-body h2{font-size:1.5rem;line-height:1.4}
.article-body h3{font-size:1.25rem;line-height:1.5}
.article-body ul,.article-body ol{margin:0 0 1.5em 1.2em;padding-left:0.4em}
.article-body li{margin-bottom:0.5em;padding-left:0.2em}
.article-body blockquote{
  background:var(--panel);border-left:4px solid var(--primary);
  border-radius:8px;padding:20px 24px;margin:1.8em 0;
  color:var(--text-secondary);font-size:1rem;
}
.article-body img{border-radius:var(--radius-card);margin:1.8em 0;width:auto;max-width:100%}
.article-body a{color:var(--primary);border-bottom:1px solid transparent;transition:border-color 0.2s}
.article-body a:hover{border-color:var(--primary)}
.article-bottom{max-width:760px;margin:52px auto 0;border-top:1px solid var(--line);padding-top:32px}
.prev-next{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px;margin-bottom:28px}
.prev-next a{font-size:0.95rem;color:var(--text-secondary);transition:color 0.2s;display:inline-flex;align-items:center;gap:6px}
.prev-next a:hover{color:var(--primary-light)}
.section-title{
  font-size:clamp(1.5rem,2.6vw,2.2rem);font-weight:700;line-height:1.3;color:var(--text-main);
  position:relative;padding-left:16px;
}
.section-title::before{
  content:"";position:absolute;left:0;top:0.15em;width:4px;height:1.1em;
  background:var(--primary);border-radius:2px;
}
.related-section{background:var(--bg-alt)}
.related-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;display:block;
  transition:transform 0.25s cubic-bezier(0.4,0,0.2,1),border-color 0.25s,box-shadow 0.25s;
}
.related-card:hover{transform:translateY(-4px);border-color:var(--line-gold);box-shadow:var(--shadow-hover)}
.related-card .rc-cover{height:180px;overflow:hidden}
.related-card .rc-cover img{width:100%;height:100%;object-fit:cover;transition:transform 0.4s ease}
.related-card:hover .rc-cover img{transform:scale(1.05)}
.not-found{
  max-width:440px;margin:0 auto;background:var(--panel);
  border:1px solid var(--line);border-radius:var(--radius-card);
  padding:56px 36px;text-align:center;
}
.not-found h2{font-size:1.4rem;font-weight:700;color:var(--text-main);margin-bottom:10px}
.not-found p{color:var(--text-secondary);font-size:0.9rem;margin-bottom:26px}
.footer-col-title{font-size:0.9rem;font-weight:600;color:var(--text-main);margin-bottom:14px;letter-spacing:0.02em}
.footer-link{display:block;color:var(--text-secondary);font-size:0.875rem;margin-bottom:10px;transition:color 0.2s}
.footer-link:hover{color:var(--primary-light)}
@media(prefers-reduced-motion:reduce){
  *{animation-duration:0.01ms!important;transition-duration:0.01ms!important}
}

/* roulang page: category3 */
:root {
      --gold: #C9A45A;
      --gold-light: #D9B876;
      --gold-dark: #8F7440;
      --bg-deep: #0E0C0A;
      --bg-panel: #151210;
      --bg-card: #1C1915;
      --text-light: #F2EDE4;
      --text-secondary: #A8A096;
      --text-muted: #6E675F;
      --border-light: rgba(255, 255, 255, 0.06);
      --radius-card: 12px;
      --radius-btn: 6px;
      --radius-pill: 999px;
      --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.35);
      --shadow-hover: 0 10px 30px rgba(201, 164, 90, 0.14);
      --shadow-btn: 0 6px 20px rgba(201, 164, 90, 0.25);
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "HarmonyOS Sans SC", sans-serif;
      background: var(--bg-deep);
      color: var(--text-light);
      line-height: 1.75;
      font-size: 16px;
      -webkit-font-smoothing: antialiased;
    }

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

    a {
      color: inherit;
      text-decoration: none;
      transition: color 0.2s ease;
    }

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

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    .font-display {
      font-family: "Oswald", "DIN Alternates", "Bebas Neue", "Arial Narrow", sans-serif;
      line-height: 1;
      letter-spacing: 0.02em;
    }

    /* 顶部信息条 */
    .top-bar {
      background: var(--bg-deep);
      border-bottom: 1px solid rgba(255, 255, 255, 0.03);
      font-size: 0.75rem;
    }

    .top-bar a {
      color: var(--gold);
      border: 1px solid rgba(201, 164, 90, 0.4);
      border-radius: var(--radius-btn);
      padding: 2px 12px;
      font-weight: 600;
      font-size: 0.75rem;
      transition: background 0.2s ease;
    }

    .top-bar a:hover {
      background: rgba(201, 164, 90, 0.1);
    }

    /* 主导航 */
    .main-nav {
      background: rgba(21, 18, 16, 0.85);
      backdrop-filter: blur(8px);
      -webkit-backdrop-filter: blur(8px);
      border-bottom: 1px solid rgba(201, 164, 90, 0.15);
      position: sticky;
      top: 0;
      z-index: 100;
    }

    .nav-link {
      position: relative;
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--text-secondary);
      padding: 8px 4px;
      transition: color 0.2s ease;
    }

    .nav-link::after {
      content: '';
      position: absolute;
      left: 0;
      bottom: 0;
      width: 0;
      height: 2px;
      background: var(--gold);
      transition: width 0.2s ease;
    }

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

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

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

    .nav-link.active::before {
      content: '';
      display: inline-block;
      width: 5px;
      height: 5px;
      border-radius: 50%;
      background: var(--gold);
      margin-right: 6px;
      vertical-align: middle;
      animation: none;
    }

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

    .logo {
      font-size: 1.25rem;
      font-weight: 800;
      letter-spacing: -0.01em;
      white-space: nowrap;
    }

    .logo .font-display {
      color: var(--gold);
      font-weight: 600;
    }

    /* 按钮 */
    .btn-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: var(--gold);
      color: #0E0C0A;
      font-weight: 700;
      font-size: 0.95rem;
      height: 44px;
      padding: 0 24px;
      border-radius: var(--radius-btn);
      transition: background 0.25s ease, box-shadow 0.25s ease, transform 0.15s ease;
    }

    .btn-primary:hover {
      background: var(--gold-light);
      box-shadow: var(--shadow-btn);
    }

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

    .btn-primary.btn-lg {
      height: 56px;
      padding: 0 36px;
      font-size: 1.05rem;
    }

    .btn-outline {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: transparent;
      color: var(--gold);
      border: 1px solid var(--gold);
      font-weight: 600;
      font-size: 0.95rem;
      height: 44px;
      padding: 0 24px;
      border-radius: var(--radius-btn);
      transition: background 0.2s ease, transform 0.15s ease;
    }

    .btn-outline:hover {
      background: rgba(201, 164, 90, 0.1);
    }

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

    .btn-ghost {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--text-light);
      font-weight: 600;
      font-size: 0.9rem;
      padding: 8px 0;
      transition: color 0.2s ease;
    }

    .btn-ghost:hover {
      color: var(--gold);
      text-decoration: underline;
      text-underline-offset: 4px;
    }

    /* 卡片 */
    .card {
      background: var(--bg-card);
      border-radius: var(--radius-card);
      border: 1px solid var(--border-light);
      padding: 20px;
      transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.25s ease, box-shadow 0.25s ease;
    }

    .card:hover {
      transform: translateY(-4px);
      border-color: rgba(201, 164, 90, 0.35);
      box-shadow: var(--shadow-hover);
    }

    /* 徽章 */
    .badge {
      display: inline-flex;
      align-items: center;
      height: 22px;
      padding: 0 10px;
      border-radius: var(--radius-pill);
      font-size: 0.75rem;
      font-weight: 500;
      white-space: nowrap;
    }

    .badge-gold {
      background: rgba(201, 164, 90, 0.15);
      color: var(--gold);
      border: 1px solid rgba(201, 164, 90, 0.3);
    }

    .badge-green {
      background: rgba(127, 179, 107, 0.15);
      color: #7FB36B;
      border: 1px solid rgba(127, 179, 107, 0.3);
    }

    .badge-blue {
      background: rgba(126, 168, 196, 0.15);
      color: #7EA8C4;
      border: 1px solid rgba(126, 168, 196, 0.3);
    }

    .badge-gray {
      background: rgba(255, 255, 255, 0.06);
      color: var(--text-secondary);
      border: 1px solid rgba(255, 255, 255, 0.1);
    }

    /* 区块标题 */
    .section-title {
      position: relative;
      font-size: clamp(1.5rem, 2.6vw, 2.2rem);
      font-weight: 700;
      padding-left: 16px;
      line-height: 1.3;
    }

    .section-title::before {
      content: '';
      position: absolute;
      left: 0;
      top: 6px;
      bottom: 6px;
      width: 4px;
      background: var(--gold);
      border-radius: 2px;
    }

    .section-sub {
      color: var(--text-secondary);
      font-size: 0.95rem;
      margin-top: 8px;
    }

    /* 分类页 Hero */
    .category-hero {
      position: relative;
      border-radius: var(--radius-card);
      overflow: hidden;
      min-height: 220px;
      display: flex;
      align-items: center;
      padding: 32px;
      background-size: cover;
      background-position: center;
    }

    .category-hero::before {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(90deg, rgba(14, 12, 10, 0.92) 0%, rgba(14, 12, 10, 0.6) 60%, rgba(14, 12, 10, 0.2) 100%);
      border-radius: var(--radius-card);
    }

    .category-hero > * {
      position: relative;
      z-index: 1;
    }

    /* 内容条目 */
    .content-item {
      display: flex;
      gap: 20px;
      padding: 16px;
    }

    .content-item img {
      flex-shrink: 0;
      border-radius: 10px;
      object-fit: cover;
    }

    .content-item h3 {
      font-size: 1.1rem;
      font-weight: 600;
      line-height: 1.4;
      margin: 8px 0 6px;
      transition: color 0.2s ease;
    }

    .content-item h3:hover {
      color: var(--gold);
    }

    .content-item p {
      color: var(--text-secondary);
      font-size: 0.9rem;
      line-height: 1.7;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .content-item .link-more {
      color: var(--gold);
      font-size: 0.85rem;
      font-weight: 600;
      transition: gap 0.2s ease;
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    .content-item .link-more:hover {
      gap: 8px;
    }

    /* 侧边栏 */
    .side-box {
      background: var(--bg-card);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-card);
      padding: 24px;
    }

    .side-box h3 {
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 16px;
      position: relative;
      padding-left: 12px;
    }

    .side-box h3::before {
      content: '';
      position: absolute;
      left: 0;
      top: 4px;
      bottom: 4px;
      width: 3px;
      background: var(--gold);
      border-radius: 2px;
    }

    .quick-link {
      display: flex;
      align-items: center;
      padding: 10px 12px;
      border-radius: 6px;
      color: var(--text-secondary);
      font-size: 0.9rem;
      transition: background 0.2s ease, color 0.2s ease;
    }

    .quick-link:hover {
      background: rgba(201, 164, 90, 0.08);
      color: var(--gold-light);
    }

    .quick-link i {
      width: 20px;
      color: var(--gold);
      font-size: 0.85rem;
    }

    .related-item {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 12px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.04);
      gap: 12px;
      transition: padding-left 0.2s ease;
    }

    .related-item:last-child {
      border-bottom: none;
    }

    .related-item:hover {
      padding-left: 6px;
    }

    .related-item .title {
      font-size: 0.88rem;
      color: var(--text-light);
      line-height: 1.5;
      flex: 1;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .related-item .date {
      font-size: 0.75rem;
      color: var(--text-muted);
      white-space: nowrap;
      font-family: "Oswald", "DIN Alternates", sans-serif;
    }

    /* FAQ */
    .faq-item {
      background: var(--bg-card);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-card);
      margin-bottom: 12px;
      overflow: hidden;
      transition: border-color 0.2s ease;
    }

    .faq-item.open {
      border-color: rgba(201, 164, 90, 0.35);
    }

    .faq-question {
      display: flex;
      align-items: center;
      justify-content: space-between;
      width: 100%;
      padding: 18px 20px;
      text-align: left;
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-light);
      background: transparent;
      transition: color 0.2s ease;
    }

    .faq-question:hover {
      color: var(--gold-light);
    }

    .faq-icon {
      font-size: 1.2rem;
      color: var(--gold);
      transition: transform 0.2s ease;
      flex-shrink: 0;
      margin-left: 16px;
    }

    .faq-item.open .faq-icon {
      transform: rotate(45deg);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .faq-item.open .faq-answer {
      max-height: 400px;
    }

    .faq-answer p {
      padding: 0 20px 18px;
      color: var(--text-secondary);
      font-size: 0.9rem;
      line-height: 1.8;
    }

    /* 页脚 */
    .footer-col-title {
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--text-light);
      margin-bottom: 14px;
      letter-spacing: 0.02em;
    }

    .footer-link {
      display: block;
      color: var(--text-secondary);
      font-size: 0.85rem;
      padding: 4px 0;
      transition: color 0.2s ease;
    }

    .footer-link:hover {
      color: var(--gold-light);
    }

    /* CTA 区块 */
    .cta-box {
      background: var(--bg-panel);
      border: 1px solid rgba(201, 164, 90, 0.2);
      border-radius: var(--radius-card);
      padding: 48px 32px;
      text-align: center;
      position: relative;
      overflow: hidden;
    }

    .cta-box::before {
      content: 'LV';
      position: absolute;
      right: -20px;
      top: -40px;
      font-family: "Oswald", "DIN Alternates", sans-serif;
      font-size: 160px;
      font-weight: 900;
      color: rgba(201, 164, 90, 0.06);
      line-height: 1;
      pointer-events: none;
      letter-spacing: 0.02em;
    }

    /* 移动端汉堡 */
    .hamburger {
      display: inline-flex;
      flex-direction: column;
      justify-content: center;
      gap: 5px;
      width: 44px;
      height: 44px;
      align-items: center;
      border-radius: 6px;
      transition: background 0.2s ease;
    }

    .hamburger span {
      display: block;
      width: 22px;
      height: 2px;
      background: var(--text-light);
      border-radius: 2px;
      transition: transform 0.25s ease, opacity 0.25s ease;
    }

    .hamburger.active span:nth-child(1) {
      transform: translateY(7px) rotate(45deg);
    }

    .hamburger.active span:nth-child(2) {
      opacity: 0;
    }

    .hamburger.active span:nth-child(3) {
      transform: translateY(-7px) rotate(-45deg);
    }

    .mobile-menu {
      background: var(--bg-panel);
      border-top: 1px solid rgba(201, 164, 90, 0.15);
      padding: 16px 0;
    }

    .mobile-menu a {
      display: block;
      padding: 12px 20px;
      color: var(--text-secondary);
      font-size: 0.95rem;
      font-weight: 500;
      border-left: 3px solid transparent;
      transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
    }

    .mobile-menu a:hover {
      background: rgba(201, 164, 90, 0.06);
      color: var(--text-light);
    }

    .mobile-menu a.active {
      color: var(--gold);
      border-left-color: var(--gold);
    }

    /* 动效 */
    @keyframes fadeUp {
      from {
        opacity: 0;
        transform: translateY(24px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    .hero-animate {
      animation: fadeUp 0.6s ease forwards;
      opacity: 0;
    }

    .hero-animate.delay-1 {
      animation-delay: 0.15s;
    }

    .hero-animate.delay-2 {
      animation-delay: 0.3s;
    }

    .hero-animate.delay-3 {
      animation-delay: 0.45s;
    }

    @media (prefers-reduced-motion: reduce) {
      * {
        animation: none !important;
        transition: none !important;
      }

      html {
        scroll-behavior: auto;
      }
    }

    /* 响应式 */
    @media (max-width: 767px) {
      .category-hero {
        padding: 24px 20px;
        min-height: 180px;
      }

      .content-item {
        flex-direction: column;
      }

      .content-item img {
        width: 100%;
        height: 180px;
      }

      .cta-box {
        padding: 32px 20px;
      }
    }

    @media (min-width: 768px) and (max-width: 1023px) {
      .content-item img {
        width: 180px;
        height: 140px;
      }
    }

    @media (min-width: 1024px) {
      .content-item img {
        width: 220px;
        height: 160px;
      }
    }

/* roulang page: category2 */
:root {
      --gold: #C9A45A;
      --gold-light: #D9B876;
      --gold-dark: #8F7440;
      --bg: #0E0C0A;
      --bg-alt: #151210;
      --bg-card: #1C1915;
      --text-primary: #F2EDE4;
      --text-secondary: #A8A096;
      --text-muted: #6E675F;
      --border-card: rgba(255, 255, 255, 0.06);
      --border-gold: rgba(201, 164, 90, 0.35);
      --radius-card: 12px;
      --radius-btn: 6px;
      --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.35);
      --shadow-hover: 0 10px 30px rgba(201, 164, 90, 0.14);
      --shadow-btn: 0 6px 20px rgba(201, 164, 90, 0.25);
    }

    * {
      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-primary);
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
    }

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

    a {
      text-decoration: none;
      color: inherit;
      transition: color 0.2s ease;
    }

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding-left: 32px;
      padding-right: 32px;
    }

    @media (max-width: 768px) {
      .container {
        padding-left: 20px;
        padding-right: 20px;
      }
    }

    .font-display {
      font-family: "Oswald", "DIN Alternates", "Bebas Neue", "Arial Narrow", sans-serif;
      letter-spacing: 0.02em;
    }

    /* ===== 导航 ===== */
    .info-bar {
      height: 36px;
      background: var(--bg);
      font-size: 0.8rem;
      color: var(--text-secondary);
      border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    }

    .main-nav {
      height: 72px;
      background: rgba(21, 18, 16, 0.85);
      backdrop-filter: blur(8px);
      border-bottom: 1px solid rgba(255, 255, 255, 0.04);
      transition: box-shadow 0.2s ease, border-color 0.2s ease;
      position: sticky;
      top: 0;
      z-index: 50;
    }

    .main-nav.scrolled {
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
      border-bottom-color: rgba(201, 164, 90, 0.15);
    }

    .nav-link {
      position: relative;
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--text-secondary);
      padding: 0.5rem 0.25rem;
      transition: color 0.2s ease;
      display: inline-flex;
      align-items: center;
    }

    .nav-link::after {
      content: '';
      position: absolute;
      left: 0;
      bottom: -2px;
      width: 0;
      height: 2px;
      background: var(--gold);
      transition: width 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

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

    .nav-link.active::before {
      content: '';
      display: inline-block;
      width: 4px;
      height: 4px;
      border-radius: 999px;
      background: var(--gold);
      margin-right: 6px;
      vertical-align: middle;
      flex-shrink: 0;
    }

    /* ===== 按钮 ===== */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 0.5rem;
      font-weight: 700;
      border-radius: var(--radius-btn);
      height: 44px;
      padding: 0 1.75rem;
      font-size: 0.95rem;
      transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
      cursor: pointer;
      border: none;
    }

    .btn-primary {
      background: var(--gold);
      color: var(--bg);
    }

    .btn-primary:hover {
      background: var(--gold-light);
      box-shadow: var(--shadow-btn);
      transform: translateY(-1px);
    }

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

    .btn-primary i {
      transition: transform 0.2s ease;
    }

    .btn-primary:hover i {
      transform: translateX(4px);
    }

    .btn-outline {
      border: 1px solid rgba(201, 164, 90, 0.6);
      color: var(--gold-light);
      background: transparent;
    }

    .btn-outline:hover {
      background: rgba(201, 164, 90, 0.1);
      border-color: var(--gold);
    }

    /* ===== 卡片 ===== */
    .card {
      background: var(--bg-card);
      border: 1px solid var(--border-card);
      border-radius: var(--radius-card);
      box-shadow: var(--shadow-card);
      transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.25s ease, box-shadow 0.25s ease;
    }

    .card:hover {
      transform: translateY(-4px);
      border-color: var(--border-gold);
      box-shadow: var(--shadow-hover);
    }

    /* ===== 板块标题 ===== */
    .section-title {
      position: relative;
      padding-left: 16px;
      font-weight: 700;
    }

    .section-title::before {
      content: '';
      position: absolute;
      left: 0;
      top: 0.15em;
      width: 4px;
      height: 1em;
      background: var(--gold);
      border-radius: 2px;
    }

    /* ===== 徽章 ===== */
    .badge {
      display: inline-flex;
      align-items: center;
      height: 22px;
      padding: 0 10px;
      border-radius: 999px;
      font-size: 0.75rem;
      font-weight: 500;
      line-height: 1;
      white-space: nowrap;
    }

    .badge-gold {
      background: rgba(201, 164, 90, 0.15);
      color: var(--gold-light);
      border: 1px solid rgba(201, 164, 90, 0.3);
    }

    /* ===== 条目卡片 ===== */
    .entry-card {
      display: flex;
      flex-direction: column;
      background: var(--bg-card);
      border: 1px solid var(--border-card);
      border-radius: var(--radius-card);
      overflow: hidden;
      transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.25s ease, box-shadow 0.25s ease;
    }

    .entry-card:hover {
      transform: translateY(-4px);
      border-color: var(--border-gold);
      box-shadow: var(--shadow-hover);
    }

    .entry-thumb {
      width: 100%;
      aspect-ratio: 16 / 9;
      overflow: hidden;
      flex-shrink: 0;
      position: relative;
    }

    .entry-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

    .entry-card:hover .entry-thumb img {
      transform: scale(1.04);
    }

    .view-link {
      display: inline-flex;
      align-items: center;
      gap: 0.4rem;
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--gold-light);
      transition: color 0.2s ease, gap 0.2s ease;
    }

    .view-link:hover {
      color: var(--gold);
      gap: 0.6rem;
    }

    @media (min-width: 640px) {
      .entry-card {
        flex-direction: row;
      }

      .entry-thumb {
        width: 220px;
        aspect-ratio: auto;
        min-height: 150px;
      }
    }

    /* ===== FAQ ===== */
    .faq-item {
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }

    .faq-question {
      cursor: pointer;
      padding: 1.25rem 0;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1rem;
      background: transparent;
      border: none;
      width: 100%;
      text-align: left;
      color: var(--text-primary);
      font-size: 1rem;
      font-weight: 600;
      transition: color 0.2s ease;
    }

    .faq-question:hover {
      color: var(--gold-light);
    }

    .faq-icon {
      position: relative;
      width: 20px;
      height: 20px;
      flex-shrink: 0;
    }

    .faq-icon::before,
    .faq-icon::after {
      content: '';
      position: absolute;
      background: var(--gold);
      transition: transform 0.2s ease;
      border-radius: 2px;
    }

    .faq-icon::before {
      top: 50%;
      left: 0;
      width: 100%;
      height: 2px;
      transform: translateY(-50%);
    }

    .faq-icon::after {
      left: 50%;
      top: 0;
      width: 2px;
      height: 100%;
      transform: translateX(-50%);
    }

    .faq-item.open .faq-icon::after {
      transform: translateX(-50%) scaleY(0);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease;
    }

    .faq-item.open .faq-answer {
      max-height: 320px;
    }

    .faq-answer-inner {
      padding-bottom: 1.25rem;
      color: var(--text-secondary);
      font-size: 0.9rem;
      line-height: 1.85;
    }

    /* ===== 页脚 ===== */
    .footer-link {
      display: block;
      padding: 0.3rem 0;
      color: var(--text-secondary);
      font-size: 0.9rem;
      transition: color 0.2s ease;
    }

    .footer-link:hover {
      color: var(--gold-light);
    }

    .footer-col-title {
      font-size: 0.8rem;
      text-transform: uppercase;
      letter-spacing: 0.12em;
      color: var(--text-muted);
      margin-bottom: 1rem;
      font-weight: 600;
    }

    /* ===== 动效 ===== */
    @keyframes fadeUp {
      from {
        opacity: 0;
        transform: translateY(20px);
      }
      to {
        opacity: 1;
        transform: none;
      }
    }

    .animate-fade-up {
      opacity: 0;
      animation: fadeUp 0.7s cubic-bezier(0.4, 0, 0.2, 1) forwards;
    }

    .delay-1 {
      animation-delay: 0.15s;
    }

    .delay-2 {
      animation-delay: 0.3s;
    }

    .delay-3 {
      animation-delay: 0.45s;
    }

    @media (prefers-reduced-motion: reduce) {
      * {
        animation: none !important;
        transition: none !important;
      }

      html {
        scroll-behavior: auto;
      }
    }