/* roulang page: index */
:root {
    --color-primary: #1F3D2B;
    --color-primary-deep: #172E20;
    --color-gold: #C8A96A;
    --color-gold-light: #D4B87E;
    --color-bg: #FBFBF9;
    --color-sand: #F4F3EF;
    --color-ink: #22221F;
    --color-ink-light: #6B6B66;
    --color-ink-faint: #9C9C96;
    --color-night: #1C1C1A;
    --color-creme: #EAE9E4;
    --radius: 4px;
    --shadow-card: 0 1px 2px rgba(0,0,0,0.04), 0 8px 24px rgba(0,0,0,0.06);
    --shadow-hover: 0 2px 4px rgba(0,0,0,0.06), 0 12px 32px rgba(0,0,0,0.1);
    --transition: 150ms ease;
    --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif;
    --font-sans: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  }

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

  html {
    scroll-behavior: smooth;
  }

  body {
    font-family: var(--font-sans);
    background-color: var(--color-bg);
    color: var(--color-ink);
    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 var(--transition);
  }

  button {
    font-family: inherit;
    cursor: pointer;
  }

  .container-page {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
  }

  .font-serif {
    font-family: var(--font-serif);
  }

  .border-soft {
    border: 1px solid rgba(0,0,0,0.08);
  }

  /* ======= 左侧导航栏 ======= */
  .sidebar-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 240px;
    height: 100vh;
    background-color: #FFFFFF;
    border-right: 1px solid rgba(0,0,0,0.08);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    z-index: 100;
    transition: transform 250ms ease;
  }

  .sidebar-brand {
    padding: 40px 24px 0;
  }

  .brand-link {
    display: flex;
    align-items: center;
    gap: 10px;
  }

  .brand-mark {
    width: 36px;
    height: 36px;
    border: 1.5px solid var(--color-primary);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    flex-shrink: 0;
  }

  .brand-mark::before {
    content: "";
    width: 14px;
    height: 18px;
    border: 1.5px solid var(--color-gold);
    border-top: none;
    position: absolute;
    top: 7px;
    left: 9px;
  }

  .brand-mark::after {
    content: "";
    width: 5px;
    height: 5px;
    background: var(--color-gold);
    border-radius: 50%;
    position: absolute;
    top: 10px;
    left: 14px;
  }

  .brand-text {
    font-family: var(--font-serif);
    font-size: 15px;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 1px;
    line-height: 1.4;
  }

  .sidebar-menu {
    padding: 16px 0;
    flex: 1;
    margin-top: 24px;
  }

  .sidebar-menu a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 24px;
    font-size: 15px;
    color: var(--color-ink-light);
    border-left: 3px solid transparent;
    transition: all var(--transition);
    position: relative;
  }

  .sidebar-menu a:hover {
    background: rgba(31,61,43,0.05);
    color: var(--color-primary);
  }

  .sidebar-menu a.active {
    color: var(--color-primary);
    border-left-color: var(--color-gold);
    background: rgba(31,61,43,0.03);
    font-weight: 600;
  }

  .sidebar-menu a:focus-visible {
    outline: 2px solid var(--color-gold);
    outline-offset: -8px;
  }

  .menu-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    stroke: currentColor;
    stroke-width: 1.5;
    fill: none;
    stroke-linecap: round;
    stroke-linejoin: round;
  }

  .sidebar-meta {
    padding: 24px;
    border-top: 1px solid rgba(0,0,0,0.06);
    font-size: 12px;
    color: var(--color-ink-faint);
    line-height: 1.8;
  }

  .sidebar-meta .copyright {
    color: #8A8A84;
  }

  /* ======= 移动端顶部导航 ======= */
  .mobile-header {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: #FFFFFF;
    border-bottom: 1px solid rgba(0,0,0,0.08);
    z-index: 200;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
  }

  .mobile-header .brand-link {
    gap: 8px;
  }

  .mobile-header .brand-mark {
    width: 30px;
    height: 30px;
  }

  .mobile-header .brand-mark::before {
    width: 11px;
    height: 14px;
    top: 6px;
    left: 8px;
  }

  .mobile-header .brand-mark::after {
    width: 4px;
    height: 4px;
    top: 8px;
    left: 12px;
  }

  .mobile-header .brand-text {
    font-size: 14px;
  }

  .mobile-toggle {
    background: none;
    border: 1px solid rgba(0,0,0,0.08);
    border-radius: 4px;
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    transition: background var(--transition);
  }

  .mobile-toggle:hover {
    background: rgba(31,61,43,0.05);
  }

  .mobile-toggle:active {
    background: rgba(31,61,43,0.1);
  }

  .mobile-toggle:focus-visible {
    outline: 2px solid var(--color-gold);
  }

  .mobile-toggle svg {
    width: 20px;
    height: 20px;
    stroke: currentColor;
    stroke-width: 1.8;
    fill: none;
    stroke-linecap: round;
  }

  .mobile-menu {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: #FFFFFF;
    border-bottom: 1px solid rgba(0,0,0,0.08);
    padding: 8px 0;
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: transform 250ms ease, opacity 250ms ease, visibility 250ms;
    z-index: 199;
  }

  .mobile-menu.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .mobile-menu a {
    display: block;
    padding: 14px 24px;
    font-size: 16px;
    color: var(--color-ink-light);
    border-left: 3px solid transparent;
  }

  .mobile-menu a.active {
    color: var(--color-primary);
    border-left-color: var(--color-gold);
    font-weight: 600;
    background: rgba(31,61,43,0.03);
  }

  .mobile-menu a:hover {
    background: rgba(31,61,43,0.05);
    color: var(--color-primary);
  }

  .mobile-menu a:focus-visible {
    outline: 2px solid var(--color-gold);
    outline-offset: -2px;
  }

  /* ======= 主内容区 ======= */
  .main-content {
    margin-left: 240px;
    min-height: 100vh;
  }

  .top-bar {
    background: #2A2A28;
    color: rgba(255,255,255,0.7);
    font-size: 12px;
    font-family: "SF Mono", "Consolas", monospace;
    padding: 10px 40px 10px 280px;
    text-align: center;
    letter-spacing: 1px;
  }

  /* ======= Hero 区域 ======= */
  .hero-section {
    position: relative;
    min-height: 80vh;
    display: flex;
    align-items: center;
    background-image: url('/assets/images/backpic/back-1.png');
    background-size: cover;
    background-position: center;
    overflow: hidden;
  }

  .hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(100deg, rgba(251,251,249,0.94) 30%, rgba(251,251,249,0.6) 60%, rgba(251,251,249,0.25) 100%);
  }

  .hero-container {
    position: relative;
    z-index: 2;
    padding: 0 72px;
    max-width: 1200px;
    width: 100%;
  }

  .hero-overline {
    font-size: 13px;
    letter-spacing: 4px;
    color: var(--color-gold);
    font-family: var(--font-sans);
    margin-bottom: 20px;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 12px;
  }

  .hero-overline::before {
    content: "";
    width: 32px;
    height: 1px;
    background: var(--color-gold);
    display: inline-block;
  }

  .hero-title {
    font-family: var(--font-serif);
    font-size: 52px;
    font-weight: 700;
    line-height: 1.3;
    color: var(--color-primary);
    max-width: 680px;
    letter-spacing: 2px;
    margin-bottom: 20px;
  }

  .hero-subtitle {
    font-size: 18px;
    color: var(--color-ink-light);
    max-width: 560px;
    line-height: 1.8;
    margin-bottom: 36px;
  }

  .hero-cta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 40px;
  }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 44px;
    padding: 0 32px;
    border-radius: 4px;
    font-size: 15px;
    font-weight: 500;
    border: 1px solid transparent;
    transition: all var(--transition);
  }

  .btn:focus-visible {
    outline: 2px solid var(--color-gold);
    outline-offset: 2px;
  }

  .btn-primary {
    background: var(--color-primary);
    color: #FFFFFF;
    border-color: var(--color-primary);
  }

  .btn-primary:hover {
    background: var(--color-primary-deep);
    border-color: var(--color-primary-deep);
  }

  .btn-primary:active {
    background: #122719;
    transform: translateY(1px);
  }

  .btn-outline {
    background: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
  }

  .btn-outline:hover {
    background: rgba(31,61,43,0.05);
  }

  .btn-outline:active {
    background: rgba(31,61,43,0.1);
    transform: translateY(1px);
  }

  .btn-gold {
    background: var(--color-gold);
    color: var(--color-night);
    border-color: var(--color-gold);
  }

  .btn-gold:hover {
    background: var(--color-gold-light);
    border-color: var(--color-gold-light);
  }

  .btn-gold:active {
    background: #B8944C;
    transform: translateY(1px);
  }

  .btn-outline-light {
    background: transparent;
    color: var(--color-creme);
    border-color: rgba(234,233,228,0.4);
  }

  .btn-outline-light:hover {
    border-color: var(--color-gold);
    color: var(--color-gold);
    background: rgba(255,255,255,0.05);
  }

  .btn-outline-light:active {
    background: rgba(255,255,255,0.1);
  }

  .hero-stats {
    display: flex;
    gap: 48px;
    flex-wrap: wrap;
  }

  .hero-stat-num {
    font-family: Georgia, "Times New Roman", serif;
    font-size: 28px;
    color: var(--color-primary);
    font-weight: 700;
  }

  .hero-stat-label {
    font-size: 13px;
    color: var(--color-ink-faint);
    margin-top: 2px;
  }

  .scroll-line {
    position: absolute;
    bottom: 32px;
    left: 50%;
    width: 2px;
    height: 48px;
    background: rgba(0,0,0,0.1);
    overflow: hidden;
    z-index: 2;
  }

  .scroll-line::after {
    content: "";
    position: absolute;
    top: -48px;
    left: 0;
    width: 100%;
    height: 50%;
    background: var(--color-gold);
    animation: scrollHint 2s ease-in-out infinite;
  }

  @keyframes scrollHint {
    0% { transform: translateY(0); }
    100% { transform: translateY(96px); }
  }

  /* ======= 通用板块头部 ======= */
  .section-block {
    padding: 80px 0;
  }

  .section-block.alt {
    background: var(--color-sand);
  }

  .section-head {
    margin-bottom: 48px;
  }

  .section-eyebrow {
    font-size: 13px;
    letter-spacing: 4px;
    color: var(--color-gold);
    text-transform: uppercase;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
  }

  .section-eyebrow::before {
    content: "";
    width: 24px;
    height: 1px;
    background: var(--color-gold);
  }

  .section-title {
    font-family: var(--font-serif);
    font-size: 32px;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.4;
    letter-spacing: 1px;
  }

  .section-sub {
    font-size: 14px;
    color: var(--color-ink-light);
    margin-top: 12px;
    max-width: 640px;
  }

  .section-legend {
    display: flex;
    gap: 24px;
    font-size: 14px;
    color: var(--color-ink-light);
  }

  .section-legend a {
    padding: 6px 0;
    border-bottom: 2px solid transparent;
  }

  .section-legend a:hover {
    color: var(--color-primary);
    border-bottom-color: var(--color-gold);
  }

  .section-legend a.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-gold);
    font-weight: 600;
  }

  .section-legend a:focus-visible {
    outline: 2px solid var(--color-gold);
    outline-offset: 4px;
  }

  /* ======= 最新资讯卡片列表 ======= */
  .news-card {
    display: flex;
    background: #FFFFFF;
    border: 1px solid rgba(0,0,0,0.08);
    border-radius: 4px;
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: transform var(--transition), box-shadow var(--transition);
    margin-bottom: 24px;
  }

  .news-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
  }

  .news-card:focus-within {
    outline: 2px solid var(--color-gold);
    outline-offset: -2px;
  }

  .news-cover {
    width: 240px;
    min-height: 140px;
    flex-shrink: 0;
    object-fit: cover;
    background: var(--color-sand);
  }

  .news-body {
    padding: 20px 24px;
    flex: 1;
  }

  .news-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 12px;
    color: var(--color-ink-faint);
    margin-top: 4px;
    margin-bottom: 10px;
  }

  .news-tag {
    display: inline-block;
    padding: 2px 10px;
    font-size: 12px;
    background: rgba(200,169,106,0.15);
    color: #8D7244;
    border-radius: 2px;
    font-weight: 500;
  }

  .news-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--color-ink);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    font-family: var(--font-serif);
  }

  .news-title a {
    transition: color var(--transition);
  }

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

  .news-title a:focus-visible {
    outline: 2px solid var(--color-gold);
    outline-offset: 2px;
  }

  .news-desc {
    font-size: 14px;
    color: var(--color-ink-light);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.7;
    margin-top: 8px;
  }

  .news-link {
    display: inline-block;
    margin-top: 12px;
    font-size: 14px;
    color: var(--color-primary);
    font-weight: 500;
  }

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

  .news-link:focus-visible {
    outline: 2px solid var(--color-gold);
    outline-offset: 2px;
  }

  .empty-state {
    background: var(--color-sand);
    border: 1px dashed rgba(0,0,0,0.12);
    border-radius: 4px;
    padding: 32px;
    text-align: center;
    color: var(--color-ink-faint);
    font-size: 14px;
    margin-bottom: 24px;
  }

  /* ======= 专题合集区 ======= */
  .feature-collection {
    background: #FFFFFF;
  }

  .collection-hero {
    position: relative;
    border-radius: 4px;
    overflow: hidden;
    height: 260px;
    background-image: url('/assets/images/coverpic/cover-1.webp');
    background-size: cover;
    background-position: center;
    margin-bottom: 32px;
  }

  .collection-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(80deg, rgba(28,28,26,0.85) 30%, rgba(28,28,26,0.3) 100%);
    display: flex;
    align-items: flex-end;
    padding: 40px;
  }

  .collection-hero-content {
    color: #FFF;
  }

  .collection-hero-content .label {
    font-size: 13px;
    letter-spacing: 3px;
    color: var(--color-gold);
    margin-bottom: 8px;
  }

  .collection-hero-content h3 {
    font-family: var(--font-serif);
    font-size: 30px;
    font-weight: 700;
    margin-bottom: 8px;
    color: #FFF;
  }

  .collection-hero-content p {
    font-size: 14px;
    opacity: 0.8;
    max-width: 420px;
  }

  .collection-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 40px;
  }

  .collection-list {
    background: var(--color-sand);
    border-radius: 4px;
    padding: 32px;
  }

  .collection-list-title {
    font-family: var(--font-serif);
    font-size: 18px;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(0,0,0,0.08);
  }

  .collection-timeline {
    list-style: none;
  }

  .collection-timeline li {
    display: flex;
    align-items: baseline;
    gap: 16px;
    padding: 12px 0;
    border-bottom: 1px solid rgba(0,0,0,0.05);
  }

  .collection-timeline li:last-child {
    border-bottom: none;
  }

  .collection-index {
    font-family: Georgia, "Times New Roman", serif;
    font-size: 20px;
    color: var(--color-gold);
    font-weight: 700;
    width: 36px;
    flex-shrink: 0;
  }

  .collection-timeline li a {
    font-size: 15px;
    color: var(--color-ink-light);
    transition: color var(--transition);
  }

  .collection-timeline li a:hover {
    color: var(--color-primary);
  }

  .collection-timeline li a:focus-visible {
    outline: 2px solid var(--color-gold);
    outline-offset: 2px;
  }

  .collection-featured {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .featured-card {
    background: var(--color-sand);
    border: 1px solid rgba(0,0,0,0.08);
    border-radius: 4px;
    overflow: hidden;
    transition: box-shadow var(--transition), background var(--transition);
  }

  .featured-card:hover {
    box-shadow: var(--shadow-card);
    background: #FFFFFF;
  }

  .featured-card img {
    width: 100%;
    height: 120px;
    object-fit: cover;
  }

  .featured-card-body {
    padding: 16px 20px;
  }

  .featured-card-body h4 {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-ink);
    margin-bottom: 6px;
    font-family: var(--font-serif);
  }

  .featured-card-body p {
    font-size: 13px;
    color: var(--color-ink-light);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .collection-cta {
    text-align: center;
    padding: 24px 0 8px;
    border-top: 1px solid rgba(0,0,0,0.06);
  }

  .collection-cta .btn {
    margin: 0 8px;
  }

  .btn-outline-dark {
    background: transparent;
    color: var(--color-primary);
    border-color: rgba(31,61,43,0.3);
  }

  .btn-outline-dark:hover {
    border-color: var(--color-primary);
    background: rgba(31,61,43,0.05);
  }

  .btn-outline-dark:active {
    background: rgba(31,61,43,0.1);
  }

  /* ======= 分类入口横幅 ======= */
  .category-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 36px 40px;
    background: linear-gradient(90deg, #1C1C1A 0%, #1F3D2B 100%);
    border-radius: 4px;
    margin-bottom: 24px;
    transition: box-shadow var(--transition);
  }

  .category-banner:hover {
    box-shadow: var(--shadow-hover);
  }

  .category-banner h3 {
    font-family: var(--font-serif);
    font-size: 24px;
    color: #FFFFFF;
    font-weight: 700;
    margin-bottom: 4px;
  }

  .category-banner p {
    font-size: 14px;
    color: rgba(255,255,255,0.6);
  }

  .category-banner .arrow {
    font-size: 28px;
    color: var(--color-gold);
    transition: transform var(--transition);
  }

  .category-banner:hover .arrow {
    transform: translateX(4px);
  }

  .category-banner a {
    position: absolute;
    inset: 0;
    z-index: 1;
  }

  .category-banner:focus-within {
    outline: 2px solid var(--color-gold);
    outline-offset: 2px;
  }

  /* ======= FAQ ======= */
  .faq-list {
    border-top: 1px solid rgba(0,0,0,0.08);
  }

  .faq-item {
    border-bottom: 1px solid rgba(0,0,0,0.08);
  }

  .faq-question {
    width: 100%;
    background: none;
    border: none;
    padding: 20px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 16px;
    font-weight: 600;
    color: var(--color-ink);
    text-align: left;
    transition: color var(--transition);
  }

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

  .faq-question:focus-visible {
    outline: 2px solid var(--color-gold);
    outline-offset: 2px;
  }

  .faq-icon {
    font-size: 22px;
    color: var(--color-gold);
    font-weight: 400;
    width: 24px;
    text-align: center;
    transition: transform 200ms ease;
    flex-shrink: 0;
  }

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

  .faq-answer {
    max-height: 0;
    overflow: hidden;
    font-size: 14px;
    color: var(--color-ink-light);
    line-height: 1.8;
    transition: max-height 250ms ease, padding 250ms ease;
    padding: 0;
  }

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

  /* ======= 最终 CTA ======= */
  .final-cta {
    background: var(--color-night);
    padding: 80px 0;
    text-align: center;
  }

  .final-cta h2 {
    font-family: var(--font-serif);
    color: #FFFFFF;
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 12px;
  }

  .final-cta p {
    color: rgba(255,255,255,0.6);
    font-size: 15px;
    margin-bottom: 32px;
  }

  /* ======= 页脚 ======= */
  .site-footer {
    background: var(--color-night);
    padding: 60px 0 24px;
    color: var(--color-creme);
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 40px;
  }

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

  .footer-brand .brand-text {
    color: var(--color-creme);
  }

  .footer-brand p {
    font-size: 14px;
    color: rgba(255,255,255,0.5);
    line-height: 1.8;
    max-width: 320px;
  }

  .footer-col h4 {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-creme);
    margin-bottom: 16px;
    letter-spacing: 1px;
  }

  .footer-col ul {
    list-style: none;
  }

  .footer-col ul li {
    margin-bottom: 10px;
  }

  .footer-col ul li a {
    font-size: 14px;
    color: rgba(255,255,255,0.5);
    transition: color var(--transition);
  }

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

  .footer-col ul li a:focus-visible {
    outline: 2px solid var(--color-gold);
    outline-offset: 2px;
  }

  .footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 12px;
    color: #777;
  }

  .footer-bottom span a {
    color: #777;
  }

  .footer-bottom span a:hover {
    color: var(--color-gold);
  }

  /* ======= 响应式断点 ======= */
  @media (max-width: 1024px) {
    .sidebar-nav {
      width: 210px;
    }
    .main-content {
      margin-left: 210px;
    }
    .top-bar {
      padding-left: 210px;
    }
    .hero-container {
      padding: 0 48px;
    }
    .hero-title {
      font-size: 44px;
    }
  }

  @media (max-width: 768px) {
    .sidebar-nav {
      transform: translateX(-100%);
    }
    .sidebar-nav.open {
      transform: translateX(0);
      box-shadow: 0 0 40px rgba(0,0,0,0.2);
    }
    .mobile-header {
      display: flex;
    }
    .main-content {
      margin-left: 0;
      padding-top: 60px;
    }
    .top-bar {
      display: none;
    }
    .container-page {
      padding: 0 16px;
    }
    .hero-section {
      min-height: auto;
      padding: 80px 0 60px;
    }
    .hero-container {
      padding: 0 16px;
    }
    .hero-title {
      font-size: 32px;
    }
    .hero-subtitle {
      font-size: 16px;
    }
    .hero-stats {
      gap: 24px;
    }
    .section-block {
      padding: 48px 0;
    }
    .section-title {
      font-size: 26px;
    }
    .collection-grid {
      grid-template-columns: 1fr;
    }
    .collection-featured {
      grid-template-columns: 1fr;
    }
    .footer-grid {
      grid-template-columns: 1fr;
      gap: 32px;
    }
    .category-banner {
      padding: 24px;
    }
    .news-card {
      flex-direction: column;
    }
    .news-cover {
      width: 100%;
      height: 160px;
    }
    .scroll-line {
      display: none;
    }
  }

  @media (max-width: 520px) {
    .hero-cta {
      flex-direction: column;
      align-items: stretch;
    }
    .hero-title {
      font-size: 28px;
    }
    .btn {
      width: 100%;
    }
    .collection-hero {
      height: 180px;
    }
    .collection-hero-overlay {
      padding: 20px;
    }
    .collection-hero-content h3 {
      font-size: 22px;
    }
    .final-cta h2 {
      font-size: 26px;
    }
    .section-legend {
      flex-wrap: wrap;
      gap: 12px;
    }
  }

/* roulang page: category1 */
/* ========== 设计变量 ========== */
        :root {
            --color-primary: #1F3D2B;
            --color-primary-dark: #172E20;
            --color-gold: #C8A96A;
            --color-gold-light: #D4BC85;
            --color-bg: #FBFBF9;
            --color-bg-alt: #F4F3EF;
            --color-dark: #1C1C1A;
            --color-text: #22221F;
            --color-text-secondary: #6B6B66;
            --color-muted: #9C9C96;
            --color-border: rgba(0, 0, 0, 0.08);
            --color-border-light: rgba(0, 0, 0, 0.05);
            --radius: 4px;
            --shadow: 0 1px 2px rgba(0, 0, 0, 0.04), 0 8px 24px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 2px 4px rgba(0, 0, 0, 0.05), 0 12px 32px rgba(0, 0, 0, 0.09);
            --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", Georgia, serif;
            --font-sans: "PingFang SC", "Microsoft YaHei", -apple-system, system-ui, sans-serif;
            --transition: 180ms ease;
            --sidebar-width: 240px;
            --sidebar-width-tablet: 72px;
        }

        /* ========== 基础重置 ========== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

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

        body {
            font-family: var(--font-sans);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.75;
            font-size: 16px;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition), background-color var(--transition), border-color var(--transition), box-shadow var(--transition), transform var(--transition);
        }

        a:focus-visible {
            outline: 2px solid var(--color-gold);
            outline-offset: 2px;
            border-radius: 2px;
        }

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            transition: background-color var(--transition), color var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
        }

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

        ul,
        ol {
            list-style: none;
        }

        .font-serif {
            font-family: var(--font-serif);
        }

        /* ========== 整体布局 ========== */
        .layout-shell {
            display: flex;
            min-height: 100vh;
        }

        .sidebar {
            width: var(--sidebar-width);
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            z-index: 100;
            background: #ffffff;
            border-right: 1px solid var(--color-border);
            display: flex;
            flex-direction: column;
            padding: 28px 20px;
            transition: width var(--transition);
        }

        .main-content {
            flex: 1;
            margin-left: var(--sidebar-width);
            min-width: 0;
            display: flex;
            flex-direction: column;
        }

        /* ========== 品牌 ========== */
        .brand-link {
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .brand-mark {
            width: 26px;
            height: 32px;
            display: inline-block;
            background: var(--color-primary);
            border-radius: 2px 2px 8px 8px;
            position: relative;
            flex-shrink: 0;
        }

        .brand-mark::before {
            content: "";
            position: absolute;
            top: 5px;
            left: 5px;
            right: 5px;
            bottom: 5px;
            border: 1.5px solid var(--color-gold);
            border-radius: 1px 1px 5px 5px;
        }

        .brand-text {
            font-family: var(--font-serif);
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .sidebar-brand {
            margin-bottom: 40px;
            padding-bottom: 20px;
            border-bottom: 1px solid var(--color-border-light);
        }

        /* ========== 侧边导航 ========== */
        .sidebar-menu {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .sidebar-menu a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 14px;
            border-radius: var(--radius);
            font-size: 15px;
            color: var(--color-text-secondary);
            position: relative;
            border-left: 3px solid transparent;
        }

        .sidebar-menu a .menu-icon {
            width: 20px;
            height: 20px;
            fill: none;
            stroke: currentColor;
            stroke-width: 1.7;
            stroke-linecap: round;
            stroke-linejoin: round;
            flex-shrink: 0;
        }

        .sidebar-menu a:hover {
            background: rgba(31, 61, 43, 0.05);
            color: var(--color-primary);
        }

        .sidebar-menu a.active {
            background: rgba(31, 61, 43, 0.05);
            color: var(--color-primary);
            border-left-color: var(--color-gold);
            font-weight: 600;
        }

        .sidebar-menu a:active {
            background: rgba(31, 61, 43, 0.1);
        }

        .sidebar-menu a:focus-visible {
            outline: 2px solid var(--color-gold);
            outline-offset: -2px;
        }

        .sidebar-foot {
            margin-top: auto;
            border-top: 1px solid var(--color-border-light);
            padding-top: 16px;
            font-size: 12px;
            color: var(--color-muted);
            line-height: 1.6;
        }

        .sidebar-foot a:hover {
            color: var(--color-gold);
        }

        /* ========== 移动端顶部栏 ========== */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: #ffffff;
            border-bottom: 1px solid var(--color-border);
            z-index: 200;
            align-items: center;
            justify-content: space-between;
            padding: 0 20px;
        }

        .mobile-menu-toggle {
            width: 40px;
            height: 40px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            border-radius: var(--radius);
        }

        .mobile-menu-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--color-text);
            transition: transform var(--transition), opacity var(--transition);
        }

        .mobile-menu-toggle:hover {
            background: rgba(31, 61, 43, 0.06);
        }

        .mobile-menu-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .mobile-menu-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .mobile-menu-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 60px;
            left: 0;
            right: 0;
            bottom: 0;
            z-index: 199;
            background: var(--color-bg);
            padding: 24px 20px;
            flex-direction: column;
            gap: 4px;
            overflow-y: auto;
        }

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

        .mobile-menu a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 16px;
            border-radius: var(--radius);
            font-size: 16px;
            color: var(--color-text);
            border-left: 3px solid transparent;
        }

        .mobile-menu a:hover {
            background: rgba(31, 61, 43, 0.05);
        }

        .mobile-menu a.active {
            background: rgba(31, 61, 43, 0.06);
            border-left-color: var(--color-gold);
            color: var(--color-primary);
            font-weight: 600;
        }

        .mobile-menu .menu-icon {
            width: 22px;
            height: 22px;
            fill: none;
            stroke: currentColor;
            stroke-width: 1.7;
            stroke-linecap: round;
            stroke-linejoin: round;
        }

        /* ========== 容器 ========== */
        .container-page {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 40px;
            width: 100%;
        }

        /* ========== 按钮 ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 44px;
            padding: 0 32px;
            border-radius: var(--radius);
            font-size: 15px;
            font-weight: 500;
            line-height: 1;
            white-space: nowrap;
            border: 1px solid transparent;
            transition: background-color var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition), transform var(--transition);
        }

        .btn:focus-visible {
            outline: 2px solid var(--color-gold);
            outline-offset: 3px;
        }

        .btn-primary {
            background: var(--color-primary);
            color: #ffffff;
        }

        .btn-primary:hover {
            background: var(--color-primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(31, 61, 43, 0.18);
        }

        .btn-primary:active {
            background: #0F1F16;
            transform: translateY(0);
        }

        .btn-outline {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: transparent;
        }

        .btn-outline:hover {
            background: rgba(31, 61, 43, 0.05);
            transform: translateY(-1px);
        }

        .btn-outline:active {
            background: rgba(31, 61, 43, 0.1);
            transform: translateY(0);
        }

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

        .btn-gold:hover {
            background: var(--color-gold-light);
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(200, 169, 106, 0.3);
        }

        .btn-gold:active {
            background: #B8944C;
            transform: translateY(0);
        }

        /* ========== Hero 区 ========== */
        .page-hero {
            position: relative;
            min-height: 60vh;
            display: flex;
            align-items: center;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: 80px 0;
        }

        .page-hero .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(28, 28, 26, 0.68) 0%, rgba(28, 28, 26, 0.4) 55%, rgba(28, 28, 26, 0.15) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 680px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(200, 169, 106, 0.15);
            border: 1px solid rgba(200, 169, 106, 0.5);
            color: #EAE9E4;
            font-size: 13px;
            padding: 4px 14px;
            border-radius: 20px;
            letter-spacing: 0.08em;
            margin-bottom: 22px;
        }

        .hero-badge::before {
            content: "";
            width: 6px;
            height: 6px;
            background: var(--color-gold);
            border-radius: 50%;
            display: inline-block;
        }

        .hero-content h1 {
            font-family: var(--font-serif);
            font-size: 52px;
            font-weight: 700;
            color: #ffffff;
            line-height: 1.25;
            margin-bottom: 18px;
            letter-spacing: 0.01em;
        }

        .hero-content .hero-sub {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.88);
            line-height: 1.7;
            margin-bottom: 30px;
            max-width: 560px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        .hero-actions .btn-primary {
            background: var(--color-gold);
            color: var(--color-dark);
        }

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

        .hero-actions .btn-outline {
            border-color: rgba(255, 255, 255, 0.7);
            color: #ffffff;
        }

        .hero-actions .btn-outline:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #ffffff;
        }

        /* ========== 板块间距 ========== */
        .section-block {
            padding: 80px 0;
        }

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

        .section-block-dark {
            background: var(--color-dark);
            color: #EAE9E4;
        }

        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }

        .section-head .section-title {
            font-family: var(--font-serif);
            font-size: 30px;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.35;
            position: relative;
            padding-left: 18px;
        }

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

        .section-head .section-desc {
            font-size: 14px;
            color: var(--color-text-secondary);
            max-width: 420px;
            line-height: 1.7;
        }

        .section-divider {
            display: flex;
            align-items: center;
            gap: 16px;
            color: var(--color-muted);
            font-size: 13px;
            letter-spacing: 0.12em;
        }

        .section-divider::before,
        .section-divider::after {
            content: "";
            flex: 1;
            height: 1px;
            background: var(--color-border);
        }

        /* ========== 分类简介 ========== */
        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .intro-copy p {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.85;
            margin-bottom: 16px;
        }

        .intro-copy p:last-child {
            margin-bottom: 0;
        }

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

        .intro-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #ffffff;
            border: 1px solid var(--color-border);
            border-radius: 20px;
            padding: 5px 14px;
            font-size: 13px;
            color: var(--color-primary);
            font-weight: 500;
        }

        .intro-tag:hover {
            border-color: var(--color-gold);
            background: rgba(200, 169, 106, 0.08);
        }

        .intro-visual {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            min-height: 260px;
        }

        .intro-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
        }

        .intro-visual::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(28, 28, 26, 0.5) 100%);
        }

        .intro-visual .visual-label {
            position: absolute;
            left: 20px;
            bottom: 16px;
            z-index: 2;
            color: #ffffff;
            font-size: 15px;
            font-weight: 500;
            letter-spacing: 0.04em;
        }

        /* ========== 卡片网格 ========== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .card-item {
            background: #ffffff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: transform var(--transition), box-shadow var(--transition);
        }

        .card-item:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }

        .card-item:active {
            transform: translateY(0);
        }

        .card-cover {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }

        .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 300ms ease;
        }

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

        .card-cat {
            position: absolute;
            top: 12px;
            left: 12px;
            z-index: 2;
            background: rgba(28, 28, 26, 0.72);
            color: #EAE9E4;
            font-size: 12px;
            padding: 3px 12px;
            border-radius: 16px;
            letter-spacing: 0.04em;
            backdrop-filter: blur(4px);
        }

        .card-body {
            padding: 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .card-body h3 {
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 600;
            color: var(--color-text);
            line-height: 1.4;
            margin-bottom: 10px;
        }

        .card-body p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            flex: 1;
        }

        .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 16px;
            padding-top: 14px;
            border-top: 1px solid var(--color-border-light);
            font-size: 12px;
            color: var(--color-muted);
        }

        .card-link {
            margin-top: 14px;
            font-size: 14px;
            color: var(--color-primary);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .card-link i {
            font-size: 12px;
            transition: transform var(--transition);
        }

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

        .card-link:hover i {
            transform: translateX(4px);
        }

        /* ========== 宽幅推荐条 ========== */
        .feature-banner {
            background: var(--color-bg-alt);
            border: 1px solid var(--color-border);
            border-radius: var(--radius);
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            overflow: hidden;
            transition: box-shadow var(--transition);
        }

        .feature-banner:hover {
            box-shadow: var(--shadow);
        }

        .feature-copy {
            padding: 40px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .feature-copy .feature-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--color-gold);
            font-weight: 600;
            letter-spacing: 0.1em;
            margin-bottom: 12px;
        }

        .feature-copy .feature-label::before {
            content: "";
            width: 20px;
            height: 2px;
            background: var(--color-gold);
            display: inline-block;
        }

        .feature-copy h3 {
            font-family: var(--font-serif);
            font-size: 28px;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.4;
            margin-bottom: 14px;
        }

        .feature-copy p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin-bottom: 22px;
        }

        .feature-img {
            position: relative;
            min-height: 260px;
        }

        .feature-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
        }

        .feature-img::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(244, 243, 239, 0.9), transparent 35%);
            pointer-events: none;
        }

        .feature-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-primary);
        }

        .feature-link i {
            transition: transform var(--transition);
        }

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

        .feature-link:hover i {
            transform: translateX(4px);
        }

        /* ========== 数据指标 ========== */
        .stats-section {
            background: var(--color-dark);
            color: #EAE9E4;
            padding: 70px 0;
            position: relative;
            overflow: hidden;
        }

        .stats-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: radial-gradient(rgba(200, 169, 106, 0.06) 1px, transparent 1px);
            background-size: 24px 24px;
            pointer-events: none;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            position: relative;
            z-index: 2;
        }

        .stat-item {
            border-left: 2px solid rgba(200, 169, 106, 0.4);
            padding-left: 20px;
        }

        .stat-number {
            display: block;
            font-family: Georgia, "Times New Roman", serif;
            font-size: 42px;
            font-weight: 600;
            color: var(--color-gold);
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .stat-label {
            font-size: 14px;
            color: rgba(234, 233, 228, 0.7);
            letter-spacing: 0.06em;
        }

        /* ========== 观赛路径 ========== */
        .path-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: path;
        }

        .path-step {
            position: relative;
            background: #ffffff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius);
            padding: 32px 24px 28px;
            counter-increment: path;
            transition: transform var(--transition), box-shadow var(--transition);
        }

        .path-step:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow);
        }

        .path-step::before {
            content: "0" counter(path);
            font-family: Georgia, "Times New Roman", serif;
            font-size: 34px;
            font-weight: 600;
            color: var(--color-gold);
            display: block;
            margin-bottom: 16px;
            line-height: 1;
        }

        .path-step h4 {
            font-family: var(--font-serif);
            font-size: 18px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 10px;
        }

        .path-step p {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        .path-arrow {
            position: absolute;
            right: -16px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--color-gold);
            font-size: 14px;
            z-index: 3;
        }

        .path-step:last-child .path-arrow {
            display: none;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--color-border);
        }

        .faq-item:first-child {
            border-top: 1px solid var(--color-border);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 20px 4px;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            text-align: left;
            background: none;
            transition: color var(--transition);
        }

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

        .faq-question .faq-icon {
            position: relative;
            width: 18px;
            height: 18px;
            flex-shrink: 0;
        }

        .faq-question .faq-icon::before,
        .faq-question .faq-icon::after {
            content: "";
            position: absolute;
            background: var(--color-gold);
            border-radius: 1px;
            transition: transform var(--transition), opacity var(--transition);
        }

        .faq-question .faq-icon::before {
            width: 16px;
            height: 2px;
            top: 8px;
            left: 1px;
        }

        .faq-question .faq-icon::after {
            width: 2px;
            height: 16px;
            top: 1px;
            left: 8px;
        }

        .faq-item.open .faq-icon::after {
            opacity: 0;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 300ms ease, padding 300ms ease;
            padding: 0 28px 0 4px;
        }

        .faq-item.open .faq-answer {
            max-height: 240px;
            padding-bottom: 20px;
        }

        .faq-answer p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.8;
        }

        /* ========== CTA 区 ========== */
        .cta-section {
            padding: 90px 0;
            text-align: center;
            position: relative;
            background: rgba(31, 61, 43, 0.06);
            border-top: 1px solid var(--color-border-light);
            border-bottom: 1px solid var(--color-border-light);
        }

        .cta-section h2 {
            font-family: var(--font-serif);
            font-size: 36px;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.4;
            margin-bottom: 14px;
        }

        .cta-section p {
            font-size: 15px;
            color: var(--color-text-secondary);
            max-width: 540px;
            margin: 0 auto 28px;
            line-height: 1.8;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--color-dark);
            color: #EAE9E4;
            padding: 60px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand .brand-text {
            color: #EAE9E4;
            font-size: 20px;
        }

        .footer-brand .brand-mark {
            background: #EAE9E4;
        }

        .footer-brand .brand-mark::before {
            border-color: var(--color-gold);
        }

        .footer-brand p {
            font-size: 13px;
            color: rgba(234, 233, 228, 0.6);
            line-height: 1.8;
            margin-top: 16px;
            max-width: 360px;
        }

        .footer-col h4 {
            font-family: var(--font-serif);
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 18px;
            color: #EAE9E4;
            position: relative;
            padding-bottom: 8px;
        }

        .footer-col h4::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 28px;
            height: 2px;
            background: var(--color-gold);
            border-radius: 1px;
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul a {
            font-size: 14px;
            color: rgba(234, 233, 228, 0.65);
            transition: color var(--transition);
        }

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            padding: 20px 0 28px;
            font-size: 12px;
            color: #777777;
        }

        .footer-bottom span:first-child {
            letter-spacing: 0.02em;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1023px) {
            .sidebar {
                width: var(--sidebar-width-tablet);
                padding: 20px 10px;
            }

            .sidebar-brand {
                padding-bottom: 12px;
            }

            .sidebar-brand .brand-text,
            .sidebar-menu a span,
            .sidebar-foot {
                display: none;
            }

            .sidebar-brand .brand-mark {
                margin: 0 auto;
            }

            .sidebar-menu a {
                justify-content: center;
                padding: 12px 0;
            }

            .sidebar-menu a .menu-icon {
                width: 22px;
                height: 22px;
            }

            .main-content {
                margin-left: var(--sidebar-width-tablet);
            }
        }

        @media (max-width: 767px) {
            .sidebar {
                display: none;
            }

            .main-content {
                margin-left: 0;
                padding-top: 60px;
            }

            .mobile-header {
                display: flex;
            }

            .container-page {
                padding: 0 20px;
            }

            .section-block {
                padding: 50px 0;
            }

            .hero-content h1 {
                font-size: 32px;
            }

            .hero-content .hero-sub {
                font-size: 16px;
            }

            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .hero-actions .btn {
                width: 100%;
            }

            .intro-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .card-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }

            .card-cover {
                aspect-ratio: 16 / 10;
            }

            .feature-banner {
                grid-template-columns: 1fr;
            }

            .feature-img {
                min-height: 200px;
                order: -1;
            }

            .feature-img::after {
                background: linear-gradient(180deg, rgba(244, 243, 239, 0.2), rgba(244, 243, 239, 0.6));
            }

            .feature-copy {
                padding: 28px 24px;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px;
            }

            .stat-number {
                font-size: 32px;
            }

            .path-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .path-arrow {
                display: none;
            }

            .cta-section h2 {
                font-size: 26px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .section-head {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }

            .section-head .section-title {
                font-size: 24px;
            }
        }

        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr;
            }

            .stat-item {
                padding-left: 14px;
            }

            .hero-badge {
                font-size: 12px;
                padding: 3px 12px;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #1F3D2B;
            --color-primary-dark: #172E20;
            --color-gold: #C8A96A;
            --color-gold-light: #D4BA85;
            --color-bg: #FBFBF9;
            --color-bg-alt: #F4F3EF;
            --color-dark: #1C1C1A;
            --color-text: #22221F;
            --color-text-light: #6B6B66;
            --color-text-mute: #9C9C96;
            --color-border: rgba(0, 0, 0, 0.08);
            --color-card: #FFFFFF;
            --radius: 4px;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04), 0 8px 24px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 2px 4px rgba(0, 0, 0, 0.05), 0 12px 32px rgba(0, 0, 0, 0.09);
            --transition: 200ms ease;
        }

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

        html {
            font-size: 16px;
            scroll-behavior: smooth;
        }

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

        img {
            max-width: 100%;
            display: block;
            border-radius: var(--radius);
        }

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

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

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

        .font-serif {
            font-family: "Noto Serif SC", "Songti SC", serif;
        }

        .container-page {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 32px;
        }

        .site-shell {
            display: flex;
            min-height: 100vh;
        }

        /* ===== 左侧导航栏 ===== */
        .sidebar {
            width: 240px;
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            z-index: 100;
            background: var(--color-bg);
            border-right: 1px solid var(--color-border);
            display: flex;
            flex-direction: column;
            padding: 32px 20px 24px;
            transition: width var(--transition);
        }

        .brand-block {
            padding: 0 8px;
            margin-bottom: 48px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .brand-mark {
            width: 36px;
            height: 36px;
            flex-shrink: 0;
            position: relative;
            display: inline-block;
        }

        .brand-mark::before {
            content: "";
            position: absolute;
            top: 2px;
            left: 2px;
            right: 2px;
            bottom: 2px;
            border: 2px solid var(--color-primary);
            border-radius: 6px;
            transform: rotate(45deg);
        }

        .brand-mark::after {
            content: "";
            position: absolute;
            top: 12px;
            left: 12px;
            width: 8px;
            height: 8px;
            background: var(--color-gold);
            border-radius: 50%;
        }

        .brand-name {
            font-size: 17px;
            font-weight: 700;
            letter-spacing: 0.5px;
            color: var(--color-primary);
            line-height: 1.3;
            white-space: nowrap;
        }

        .sidebar-menu {
            display: flex;
            flex-direction: column;
            gap: 4px;
            flex: 1;
        }

        .sidebar-menu a {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 14px;
            border-radius: var(--radius);
            font-size: 15px;
            color: var(--color-text-light);
            border-left: 3px solid transparent;
            transition: background var(--transition), color var(--transition), border-color var(--transition);
            font-weight: 500;
        }

        .sidebar-menu a:hover {
            background: rgba(31, 61, 43, 0.05);
            color: var(--color-primary);
        }

        .sidebar-menu a:focus-visible {
            outline: 2px solid var(--color-gold);
            outline-offset: -2px;
        }

        .sidebar-menu a.active {
            background: rgba(31, 61, 43, 0.06);
            color: var(--color-primary);
            border-left-color: var(--color-gold);
            font-weight: 600;
        }

        .menu-icon {
            width: 20px;
            height: 20px;
            flex-shrink: 0;
            fill: none;
            stroke: currentColor;
            stroke-width: 1.8;
            stroke-linecap: round;
            stroke-linejoin: round;
        }

        .sidebar-footer {
            padding: 16px 14px 0;
            border-top: 1px solid var(--color-border);
            font-size: 12px;
            color: var(--color-text-mute);
            line-height: 1.5;
        }

        .sidebar-footer span {
            display: block;
        }

        /* ===== 主内容区 ===== */
        .main-area {
            flex: 1;
            margin-left: 240px;
            min-width: 0;
            display: flex;
            flex-direction: column;
        }

        /* ===== 移动端顶部栏 ===== */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 200;
            height: 64px;
            background: var(--color-bg);
            border-bottom: 1px solid var(--color-border);
            align-items: center;
            justify-content: space-between;
            padding: 0 20px;
        }

        .mobile-brand {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .mobile-brand-text {
            font-family: "Noto Serif SC", serif;
            font-size: 16px;
            font-weight: 700;
            color: var(--color-primary);
        }

        .mobile-toggle-btn {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius);
            color: var(--color-primary);
            transition: background var(--transition);
        }

        .mobile-toggle-btn:hover {
            background: rgba(31, 61, 43, 0.06);
        }

        .mobile-toggle-btn:focus-visible {
            outline: 2px solid var(--color-gold);
        }

        /* ===== 移动端全屏菜单 ===== */
        .mobile-menu-overlay {
            display: none;
            position: fixed;
            inset: 0;
            z-index: 300;
            background: var(--color-bg);
            flex-direction: column;
            padding: 20px;
        }

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

        .mobile-menu-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 32px;
        }

        .mobile-menu-close {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
            border-radius: var(--radius);
            transition: background var(--transition);
        }

        .mobile-menu-close:hover {
            background: rgba(31, 61, 43, 0.06);
        }

        .mobile-menu-nav {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .mobile-menu-nav a {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 16px;
            font-size: 18px;
            color: var(--color-text);
            border-radius: var(--radius);
            border-left: 3px solid transparent;
            transition: background var(--transition), color var(--transition);
        }

        .mobile-menu-nav a:hover {
            background: rgba(31, 61, 43, 0.06);
            color: var(--color-primary);
        }

        .mobile-menu-nav a.active {
            background: rgba(31, 61, 43, 0.08);
            color: var(--color-primary);
            border-left-color: var(--color-gold);
            font-weight: 600;
        }

        /* ===== 按钮 ===== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 44px;
            padding: 0 32px;
            background: var(--color-primary);
            color: #fff;
            font-size: 15px;
            font-weight: 500;
            border-radius: var(--radius);
            transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: var(--color-primary-dark);
            color: #fff;
            box-shadow: 0 4px 16px rgba(31, 61, 43, 0.25);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            background: #0f2217;
            transform: translateY(0);
            box-shadow: none;
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--color-gold);
            outline-offset: 2px;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 44px;
            padding: 0 32px;
            background: transparent;
            border: 1px solid var(--color-primary);
            color: var(--color-primary);
            font-size: 15px;
            font-weight: 500;
            border-radius: var(--radius);
            transition: background var(--transition), color var(--transition), border-color var(--transition);
            white-space: nowrap;
        }

        .btn-outline:hover {
            background: rgba(31, 61, 43, 0.05);
            color: var(--color-primary-dark);
            border-color: var(--color-primary-dark);
        }

        .btn-outline:active {
            background: rgba(31, 61, 43, 0.1);
        }

        .btn-outline:focus-visible {
            outline: 2px solid var(--color-gold);
            outline-offset: 2px;
        }

        .btn-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 44px;
            padding: 0 32px;
            background: var(--color-gold);
            color: var(--color-dark);
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius);
            transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
            white-space: nowrap;
        }

        .btn-gold:hover {
            background: var(--color-gold-light);
            color: var(--color-dark);
            box-shadow: 0 4px 16px rgba(200, 169, 106, 0.3);
            transform: translateY(-1px);
        }

        .btn-gold:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .btn-gold:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }

        .btn-light-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 44px;
            padding: 0 28px;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.6);
            color: #fff;
            font-size: 14px;
            border-radius: var(--radius);
            transition: background var(--transition), border-color var(--transition);
        }

        .btn-light-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.8);
            color: #fff;
        }

        .btn-light-outline:focus-visible {
            outline: 2px solid var(--color-gold);
            outline-offset: 2px;
        }

        /* ===== Hero 区 ===== */
        .page-hero {
            position: relative;
            min-height: 520px;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: 80px 48px;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(28, 28, 26, 0.72) 0%, rgba(28, 28, 26, 0.45) 70%, rgba(28, 28, 26, 0.2) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 640px;
        }

        .hero-eyebrow {
            font-size: 13px;
            letter-spacing: 4px;
            text-transform: uppercase;
            color: var(--color-gold);
            margin-bottom: 20px;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .hero-eyebrow::before {
            content: "";
            width: 32px;
            height: 2px;
            background: var(--color-gold);
            display: inline-block;
        }

        .hero-title {
            font-family: "Noto Serif SC", serif;
            font-size: 52px;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 20px;
        }

        .hero-subtitle {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            margin-bottom: 36px;
            max-width: 480px;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hero-scroll {
            position: absolute;
            bottom: 32px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 40px;
            border: 2px solid rgba(255, 255, 255, 0.4);
            border-radius: 12px;
            display: flex;
            justify-content: center;
            padding-top: 8px;
        }

        .hero-scroll::before {
            content: "";
            width: 3px;
            height: 8px;
            background: rgba(255, 255, 255, 0.7);
            border-radius: 2px;
            animation: scrollHint 2s infinite;
        }

        @keyframes scrollHint {
            0% {
                transform: translateY(0);
                opacity: 1;
            }
            70% {
                transform: translateY(12px);
                opacity: 0;
            }
            100% {
                opacity: 0;
            }
        }

        /* ===== 通用 Section ===== */
        .page-section {
            padding: 72px 48px;
        }

        .section-header {
            margin-bottom: 40px;
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }

        .section-header h2 {
            font-family: "Noto Serif SC", serif;
            font-size: 28px;
            color: var(--color-primary);
            font-weight: 700;
            position: relative;
            padding-bottom: 12px;
        }

        .section-header h2::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 36px;
            height: 3px;
            background: var(--color-gold);
            border-radius: 2px;
        }

        .section-header p {
            font-size: 14px;
            color: var(--color-text-light);
            max-width: 400px;
        }

        /* ===== 简介区 ===== */
        .intro-section {
            background: var(--color-bg);
            padding: 48px 48px 8px;
        }

        .intro-box {
            max-width: 760px;
        }

        .intro-box p {
            font-size: 15px;
            line-height: 1.9;
            color: var(--color-text-light);
            margin-bottom: 12px;
        }

        .intro-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 20px;
        }

        .intro-tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 14px;
            font-size: 12px;
            border: 1px solid var(--color-border);
            border-radius: 20px;
            color: var(--color-text-light);
            background: var(--color-card);
            transition: border-color var(--transition), color var(--transition);
        }

        .intro-tag:hover {
            border-color: var(--color-gold);
            color: var(--color-primary);
        }

        /* ===== 卡片网格 ===== */
        .cards-section {
            background: var(--color-card);
            padding: 72px 48px;
        }

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

        .guide-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius);
            overflow: hidden;
            padding: 0;
            transition: transform var(--transition), box-shadow var(--transition);
        }

        .guide-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }

        .guide-card:focus-within {
            outline: 2px solid var(--color-gold);
            outline-offset: 2px;
        }

        .guide-card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: 0;
        }

        .guide-card-body {
            padding: 20px;
        }

        .card-tag {
            display: inline-block;
            font-size: 12px;
            color: var(--color-gold);
            background: rgba(200, 169, 106, 0.12);
            padding: 2px 10px;
            border-radius: 3px;
            font-weight: 500;
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }

        .guide-card-body h3 {
            font-family: "Noto Serif SC", serif;
            font-size: 20px;
            color: var(--color-text);
            margin-bottom: 8px;
            font-weight: 600;
        }

        .guide-card-body p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--color-text-light);
        }

        .guide-card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            color: var(--color-primary);
            margin-top: 12px;
            font-weight: 500;
            transition: gap var(--transition);
        }

        .guide-card-link:hover {
            gap: 10px;
            color: var(--color-gold);
        }

        /* ===== 步骤区 ===== */
        .steps-section {
            background: var(--color-bg-alt);
            padding: 72px 48px;
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .step-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius);
            padding: 28px 24px;
            transition: transform var(--transition), box-shadow var(--transition);
            position: relative;
        }

        .step-item:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }

        .step-number {
            font-family: Georgia, "Times New Roman", serif;
            font-size: 20px;
            color: var(--color-gold);
            font-weight: 700;
            display: block;
            margin-bottom: 14px;
        }

        .step-item h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 6px;
        }

        .step-item p {
            font-size: 14px;
            color: var(--color-text-light);
            line-height: 1.6;
        }

        /* ===== 推荐条 ===== */
        .feature-strip {
            position: relative;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            padding: 72px 48px;
        }

        .feature-strip::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, var(--color-dark) 0%, rgba(28, 28, 26, 0.85) 50%, rgba(28, 28, 26, 0.4) 100%);
        }

        .feature-content {
            position: relative;
            z-index: 2;
            max-width: 600px;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
        }

        .feature-content h2 {
            font-family: "Noto Serif SC", serif;
            font-size: 28px;
            color: #fff;
            margin-bottom: 10px;
            font-weight: 700;
        }

        .feature-content p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 24px;
            line-height: 1.7;
        }

        .feature-strip .btn-gold {
            background: var(--color-gold);
            color: var(--color-dark);
        }

        .feature-strip .btn-gold:hover {
            background: var(--color-gold-light);
        }

        /* ===== FAQ 区 ===== */
        .faq-section {
            background: var(--color-card);
            padding: 72px 48px;
        }

        .faq-list {
            max-width: 800px;
        }

        .faq-item {
            border-bottom: 1px solid var(--color-border);
        }

        .faq-item:first-child {
            border-top: 1px solid var(--color-border);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            padding: 20px 0;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            transition: color var(--transition);
        }

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

        .faq-question:focus-visible {
            outline: 2px solid var(--color-gold);
            outline-offset: 2px;
        }

        .faq-icon {
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--color-gold);
            transition: transform var(--transition);
            flex-shrink: 0;
            font-weight: 300;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 300ms ease, padding 300ms ease;
            padding: 0;
        }

        .faq-item.active .faq-answer {
            max-height: 200px;
            padding: 0 0 20px;
        }

        .faq-answer p {
            font-size: 14px;
            color: var(--color-text-light);
            line-height: 1.8;
        }

        /* ===== CTA 区 ===== */
        .cta-section {
            background: var(--color-primary);
            padding: 72px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            top: -60px;
            right: -60px;
            width: 180px;
            height: 180px;
            border: 2px solid rgba(200, 169, 106, 0.15);
            border-radius: 50%;
        }

        .cta-content {
            position: relative;
            z-index: 2;
            max-width: 600px;
            margin: 0 auto;
        }

        .cta-content h2 {
            font-family: "Noto Serif SC", serif;
            font-size: 30px;
            color: #fff;
            margin-bottom: 12px;
            font-weight: 700;
        }

        .cta-content p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 32px;
        }

        .cta-content .btn-gold {
            background: var(--color-gold);
            color: var(--color-dark);
            height: 46px;
            padding: 0 36px;
        }

        .cta-content .btn-gold:hover {
            background: var(--color-gold-light);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--color-dark);
            color: #EAE9E4;
            padding: 56px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 40px;
        }

        .footer-brand .brand-link {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }

        .footer-brand .brand-mark::before {
            border-color: var(--color-gold);
        }

        .footer-brand .brand-mark::after {
            background: var(--color-gold);
        }

        .footer-brand .brand-text {
            color: #fff;
            font-family: "Noto Serif SC", serif;
            font-size: 17px;
            font-weight: 700;
        }

        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.8;
            max-width: 360px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
        }

        .footer-col li {
            margin-bottom: 10px;
        }

        .footer-col a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 12px;
            color: #777;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1023px) {
            .sidebar {
                width: 72px;
                padding: 24px 10px;
            }

            .sidebar .brand-block {
                margin-bottom: 32px;
                text-align: center;
            }

            .sidebar .brand-name {
                display: none;
            }

            .sidebar .brand-logo {
                justify-content: center;
            }

            .sidebar-menu a {
                justify-content: center;
                padding: 12px 0;
                border-left: none;
                border-top: 3px solid transparent;
            }

            .sidebar-menu a span {
                display: none;
            }

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

            .sidebar-footer {
                display: none;
            }

            .main-area {
                margin-left: 72px;
            }

            .page-hero {
                padding: 60px 32px;
                min-height: 460px;
            }

            .page-section {
                padding: 48px 32px;
            }

            .cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 767px) {
            .sidebar {
                display: none;
            }

            .main-area {
                margin-left: 0;
                padding-top: 64px;
            }

            .mobile-header {
                display: flex;
            }

            .page-hero {
                padding: 48px 20px;
                min-height: 400px;
            }

            .hero-title {
                font-size: 36px;
            }

            .hero-subtitle {
                font-size: 16px;
            }

            .hero-actions {
                flex-direction: column;
                width: 100%;
            }

            .hero-actions .btn-primary,
            .hero-actions .btn-outline {
                width: 100%;
            }

            .page-section {
                padding: 40px 20px;
            }

            .section-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }

            .cards-grid {
                grid-template-columns: 1fr;
            }

            .steps-grid {
                grid-template-columns: 1fr;
            }

            .intro-section {
                padding: 32px 20px 0;
            }

            .feature-strip {
                padding: 48px 20px;
            }

            .faq-section {
                padding: 40px 20px;
            }

            .cta-section {
                padding: 48px 20px;
            }

            .cta-content h2 {
                font-size: 24px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: center;
                text-align: center;
            }

            .mobile-menu-overlay {
                padding: 20px;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 30px;
            }

            .page-hero {
                min-height: 360px;
                padding: 40px 16px;
            }

            .hero-subtitle {
                font-size: 15px;
            }

            .section-header h2 {
                font-size: 22px;
            }

            .guide-card-body h3 {
                font-size: 18px;
            }

            .container-page {
                padding: 0 20px;
            }
        }

/* roulang page: article */
/* ============ 设计变量 ============ */
:root {
  --color-primary: #1F3D2B;
  --color-primary-dark: #172E20;
  --color-primary-darker: #122619;
  --color-gold: #C8A96A;
  --color-gold-bright: #D4B57A;
  --color-gold-deep: #B8944C;
  --color-bg: #FBFBF9;
  --color-bg-alt: #F4F3EF;
  --color-dark: #1C1C1A;
  --color-text: #22221F;
  --color-text-light: #6B6B66;
  --color-muted: #9C9C96;
  --color-white: #FFFFFF;
  --border-subtle: rgba(0, 0, 0, 0.08);
  --border-primary: rgba(31, 61, 43, 0.15);
  --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.04), 0 8px 24px rgba(0, 0, 0, 0.06);
  --shadow-hover: 0 2px 4px rgba(0, 0, 0, 0.06), 0 16px 32px rgba(0, 0, 0, 0.08);
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 10px;
  --sidebar-width: 240px;
  --header-height: 68px;
  --container-max: 1200px;
  --font-serif: 'Noto Serif SC', 'Songti SC', 'SimSun', serif;
  --font-sans: system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
  --font-serif-en: Georgia, 'Times New Roman', serif;
  --transition: 180ms ease;
}

/* ============ Reset / Base ============ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.75;
  font-size: 16px;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition), opacity var(--transition);
}

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

ul, ol {
  list-style: none;
}

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

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
  background: transparent;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 3px;
  border-radius: 2px;
}

::selection {
  background: rgba(200, 169, 106, 0.25);
  color: var(--color-primary-dark);
}

/* ============ 整体布局 ============ */
body .site-shell {
  display: flex;
  min-height: 100vh;
}

body .sidebar {
  width: var(--sidebar-width);
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  background: var(--color-white);
  border-right: 1px solid var(--border-subtle);
  padding: 32px 20px;
  display: flex;
  flex-direction: column;
  z-index: 80;
  transition: width var(--transition), transform var(--transition);
}

body .main-area {
  flex: 1;
  margin-left: var(--sidebar-width);
  min-width: 0;
  display: flex;
  flex-direction: column;
}

body .container-page {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 40px;
}

/* ============ 侧栏品牌 ============ */
body .sidebar-brand {
  margin-bottom: 48px;
}

body .brand-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

body .brand-mark {
  width: 8px;
  height: 34px;
  background: var(--color-gold);
  border-radius: 2px;
  flex-shrink: 0;
}

body .brand-text {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 0.02em;
  color: var(--color-primary);
  line-height: 1.25;
}

/* ============ 侧栏导航 ============ */
body .sidebar-menu {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

body .sidebar-menu a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  color: var(--color-text-light);
  position: relative;
  transition: background var(--transition), color var(--transition);
}

body .sidebar-menu a:hover {
  background: rgba(31, 61, 43, 0.05);
  color: var(--color-primary);
}

body .sidebar-menu a:active {
  background: rgba(31, 61, 43, 0.08);
}

body .sidebar-menu a.active {
  color: var(--color-primary);
  font-weight: 600;
  background: rgba(31, 61, 43, 0.04);
}

body .sidebar-menu a.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 18px;
  background: var(--color-gold);
  border-radius: 2px;
}

body .menu-icon {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
}

body .sidebar-footer {
  margin-top: auto;
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
  font-size: 12px;
  color: var(--color-muted);
  line-height: 1.6;
}

/* ============ 移动端顶部 ============ */
body .mobile-header {
  display: none;
  position: sticky;
  top: 0;
  z-index: 90;
  height: var(--header-height);
  background: var(--color-white);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0 20px;
  align-items: center;
  justify-content: space-between;
}

body .mobile-header .mobile-brand {
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--color-primary);
  font-size: 17px;
  letter-spacing: 0.02em;
}

body .mobile-toggle {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}

body .mobile-toggle:hover {
  background: rgba(31, 61, 43, 0.06);
}

body .mobile-toggle .bar {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-primary);
  margin: 3px 0;
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

body .mobile-toggle.open .bar:nth-child(1) {
  transform: translateY(5px) rotate(45deg);
}

body .mobile-toggle.open .bar:nth-child(2) {
  opacity: 0;
}

body .mobile-toggle.open .bar:nth-child(3) {
  transform: translateY(-5px) rotate(-45deg);
}

/* ============ 移动端全屏菜单 ============ */
body .mobile-menu-panel {
  display: none;
}

body .mobile-menu-panel.open {
  display: flex;
  flex-direction: column;
  position: fixed;
  inset: 0;
  background: var(--color-bg);
  z-index: 85;
  padding: 90px 28px 40px;
  overflow-y: auto;
}

body .mobile-menu-panel a {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text);
  padding: 16px 8px;
  border-bottom: 1px solid var(--border-subtle);
  transition: color var(--transition), padding-left var(--transition);
}

body .mobile-menu-panel a:hover {
  color: var(--color-primary);
  padding-left: 14px;
}

body .mobile-menu-panel a.active {
  color: var(--color-primary);
  border-left: 3px solid var(--color-gold);
  padding-left: 14px;
}

/* ============ 面包屑 ============ */
body .breadcrumbs {
  padding: 28px 0 0;
  font-size: 13px;
  color: var(--color-muted);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0;
}

body .breadcrumbs a {
  color: var(--color-text-light);
  transition: color var(--transition);
}

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

body .breadcrumbs .sep {
  margin: 0 10px;
  color: rgba(0, 0, 0, 0.2);
}

body .breadcrumbs .current {
  color: var(--color-text-light);
  max-width: 320px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  display: inline-block;
}

body .breadcrumbs .current-cat {
  color: var(--color-text-light);
}

/* ============ 文章布局 ============ */
body .article-layout {
  align-items: start;
}

body .article-main {
  min-width: 0;
  background: var(--color-white);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 48px;
  box-shadow: var(--shadow-card);
}

body .article-sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: sticky;
  top: 32px;
}

/* ============ 文章头部 ============ */
body .article-header {
  margin-bottom: 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border-subtle);
}

body .category-badge {
  display: inline-block;
  background: rgba(200, 169, 106, 0.15);
  color: var(--color-gold-deep);
  font-size: 12px;
  letter-spacing: 0.05em;
  padding: 4px 14px;
  border-radius: 100px;
  margin-bottom: 16px;
  font-weight: 500;
}

body .article-title {
  font-family: var(--font-serif);
  font-size: 36px;
  line-height: 1.35;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 16px;
  letter-spacing: 0.01em;
}

body .meta-info {
  font-size: 13px;
  color: var(--color-muted);
}

body .meta-info .meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

body .meta-info .meta-item svg {
  width: 14px;
  height: 14px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ============ 正文排版 ============ */
body .article-body {
  font-size: 17px;
  line-height: 1.85;
  color: var(--color-text);
}

body .article-body > * + * {
  margin-top: 24px;
}

body .article-body p {
  line-height: 1.85;
  margin-bottom: 0;
}

body .article-body h2 {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 700;
  color: var(--color-primary);
  margin-top: 44px;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(31, 61, 43, 0.1);
}

body .article-body h3 {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary);
  margin-top: 32px;
  margin-bottom: 12px;
}

body .article-body h4 {
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 700;
  color: var(--color-primary);
  margin-top: 24px;
  margin-bottom: 8px;
}

body .article-body a {
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-color: var(--color-gold);
  text-underline-offset: 4px;
  text-decoration-thickness: 1px;
}

body .article-body a:hover {
  color: var(--color-gold-deep);
}

body .article-body ul {
  list-style: disc;
  padding-left: 24px;
}

body .article-body ol {
  list-style: decimal;
  padding-left: 24px;
}

body .article-body li {
  margin-top: 8px;
  line-height: 1.8;
}

body .article-body blockquote {
  border-left: 3px solid var(--color-gold);
  background: rgba(200, 169, 106, 0.06);
  padding: 18px 24px;
  margin: 32px 0;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--color-text-light);
  font-style: normal;
}

body .article-body blockquote p {
  margin: 0 0 8px;
}

body .article-body blockquote p:last-child {
  margin-bottom: 0;
}

body .article-body img {
  border-radius: var(--radius-sm);
  margin: 32px auto;
}

body .article-body figure {
  margin: 32px 0;
}

body .article-body figure img {
  margin: 0 auto 12px;
}

body .article-body figcaption {
  font-size: 13px;
  color: var(--color-muted);
  text-align: center;
  margin-top: 10px;
}

body .article-body pre {
  background: var(--color-dark);
  color: #f0f0ec;
  padding: 20px 24px;
  border-radius: var(--radius-sm);
  overflow-x: auto;
  font-size: 14px;
  line-height: 1.7;
}

body .article-body code {
  font-family: 'SF Mono', Consolas, Menlo, monospace;
  font-size: 0.9em;
  background: rgba(31, 61, 43, 0.06);
  padding: 2px 6px;
  border-radius: 3px;
}

body .article-body pre code {
  background: none;
  color: inherit;
  padding: 0;
}

body .article-body table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
  margin: 32px 0;
}

body .article-body th {
  background: var(--color-bg-alt);
  font-weight: 600;
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--color-text);
}

body .article-body td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--color-text-light);
}

body .article-body > :first-child {
  margin-top: 0;
}

body .not-found {
  font-size: 18px;
  color: var(--color-text-light);
  text-align: center;
  padding: 48px 0 16px;
}

body .back-home {
  color: var(--color-primary);
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* ============ 文章尾部 ============ */
body .article-footer {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
}

body .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  height: 40px;
  padding: 0 20px;
  border-radius: var(--radius-sm);
  transition: background var(--transition), border-color var(--transition), color var(--transition), box-shadow var(--transition);
}

body .btn svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

body .btn-outline {
  background: transparent;
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
}

body .btn-outline:hover {
  background: rgba(31, 61, 43, 0.05);
}

body .btn-outline:active {
  background: rgba(31, 61, 43, 0.08);
  transform: translateY(0);
}

body .btn-gold {
  background: var(--color-gold);
  border: 1px solid var(--color-gold);
  color: var(--color-primary-darker);
}

body .btn-gold:hover {
  background: var(--color-gold-bright);
  border-color: var(--color-gold-bright);
}

body .btn-gold:active {
  background: var(--color-gold-deep);
  border-color: var(--color-gold-deep);
}

body .back-link {
  font-size: 14px;
  color: var(--color-text-light);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

body .back-link:hover {
  color: var(--color-primary);
}

body .back-link svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ============ 侧栏卡片 ============ */
body .sidebar-section {
  background: var(--color-white);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-card);
}

body .sidebar-section-title {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-gold);
  letter-spacing: 0.02em;
}

body .related-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-subtle);
  transition: background var(--transition), padding-left var(--transition);
}

body .related-card:first-of-type {
  padding-top: 4px;
}

body .related-card:last-of-type {
  border-bottom: none;
  padding-bottom: 4px;
}

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

body .related-card img {
  width: 76px;
  height: 52px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  background: var(--color-bg-alt);
}

body .related-info {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

body .related-title {
  font-size: 14px;
  line-height: 1.5;
  color: var(--color-text);
  font-weight: 500;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

body .related-card:hover .related-title {
  color: var(--color-primary);
}

body .related-date {
  font-size: 12px;
  color: var(--color-muted);
}

body .sidebar-cat-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 13px 0;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 14px;
  color: var(--color-text-light);
  transition: color var(--transition), padding-left var(--transition);
}

body .sidebar-cat-link:last-child {
  border-bottom: none;
}

body .sidebar-cat-link:hover {
  color: var(--color-primary);
  padding-left: 6px;
}

body .sidebar-cat-link span:last-child {
  color: var(--color-gold-deep);
  font-size: 16px;
}

/* ============ 页脚 ============ */
body .site-footer {
  background: var(--color-dark);
  color: #EAE9E4;
  margin-top: auto;
  padding: 64px 0 32px;
}

body .site-footer .container-page {
  max-width: var(--container-max);
  padding: 0 40px;
}

body .footer-grid {
  margin-bottom: 48px;
}

body .footer-brand .brand-text {
  color: #EAE9E4;
  font-size: 22px;
}

body .footer-brand .brand-mark {
  background: var(--color-gold);
}

body .footer-brand p {
  font-size: 14px;
  color: rgba(234, 233, 228, 0.65);
  line-height: 1.8;
  margin-top: 18px;
  max-width: 380px;
}

body .site-footer h4 {
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 18px;
  color: #EAE9E4;
  letter-spacing: 0.02em;
}

body .site-footer ul li {
  margin-bottom: 10px;
}

body .site-footer ul a {
  font-size: 14px;
  color: rgba(234, 233, 228, 0.5);
  transition: color var(--transition);
}

body .site-footer ul a:hover {
  color: var(--color-gold);
}

body .footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 24px;
  font-size: 12px;
  color: rgba(234, 233, 228, 0.4);
}

body .footer-bottom span {
  display: inline-block;
}

/* ============ 响应式 ============ */
@media (min-width: 1024px) {
  body .sidebar {
    width: var(--sidebar-width);
  }
  body .main-area {
    margin-left: var(--sidebar-width);
  }
}

@media (max-width: 1023px) and (min-width: 768px) {
  body .sidebar {
    width: 72px;
    padding: 24px 12px;
  }
  body .sidebar .brand-text {
    display: none;
  }
  body .sidebar .brand-mark {
    margin: 0 auto;
  }
  body .sidebar-brand {
    margin-bottom: 32px;
  }
  body .sidebar-menu {
    align-items: center;
  }
  body .sidebar-menu a {
    justify-content: center;
    padding: 12px 0;
    font-size: 0;
  }
  body .sidebar-menu a .menu-icon {
    width: 20px;
    height: 20px;
  }
  body .sidebar-footer {
    display: none;
  }
  body .main-area {
    margin-left: 72px;
  }
  body .container-page {
    padding: 0 24px;
  }
  body .article-sidebar {
    position: static;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    align-items: start;
  }
}

@media (max-width: 767px) {
  body .sidebar {
    display: none;
  }
  body .mobile-header {
    display: flex;
  }
  body .main-area {
    margin-left: 0;
  }
  body .container-page {
    padding: 0 16px;
  }
  body .breadcrumbs {
    padding: 20px 0 0;
  }
  body .breadcrumbs .current {
    max-width: 200px;
  }
  body .article-main {
    padding: 24px 20px;
  }
  body .article-title {
    font-size: 26px;
  }
  body .article-body {
    font-size: 16px;
  }
  body .article-footer {
    flex-direction: column;
    align-items: flex-start;
  }
  body .article-actions {
    width: 100%;
  }
  body .article-sidebar {
    position: static;
    display: flex;
    flex-direction: column;
    gap: 20px;
  }
  body .footer-grid {
    gap: 32px;
    margin-bottom: 32px;
  }
  body .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 6px;
  }
  body .site-footer {
    padding: 48px 0 24px;
  }
  body .site-footer .container-page {
    padding: 0 20px;
  }
}

@media (max-width: 520px) {
  body .container-page {
    padding: 0 14px;
  }
  body .article-main {
    padding: 20px 16px;
  }
  body .article-body h2 {
    font-size: 20px;
  }
  body .article-body h3 {
    font-size: 17px;
  }
  body .meta-info {
    gap: 10px 16px;
  }
  body .mobile-header {
    padding: 0 14px;
  }
  body .footer-bottom span {
    display: block;
  }
}