/* roulang page: index */
:root {
      --st-black: #181818;
      --st-copper: #B46A3C;
      --st-copper-dark: #9A572F;
      --st-bone: #F5F2EA;
      --st-blue-gray: #4B5D66;
      --st-line: #DFD8CC;
      --st-white: #FFFFFF;
      --st-off-white: #FAF8F4;
      --st-shadow-sm: 0 4px 14px rgba(24, 24, 24, 0.06);
      --st-shadow-md: 0 8px 24px rgba(24, 24, 24, 0.1);
      --st-radius-sm: 2px;
      --st-radius: 4px;
      --st-transition: all 0.3s ease;
      --st-font-serif: 'Noto Serif SC', 'Source Han Serif SC', serif;
      --st-font-sans: 'IBM Plex Sans', 'Barlow', sans-serif;
    }
    * { box-sizing: border-box; }
    body {
      font-family: var(--st-font-sans);
      background-color: var(--st-bone);
      color: var(--st-black);
      line-height: 1.75;
      padding-bottom: 80px; /* space for fixed bottom CTA */
      font-size: 16px;
    }
    h1, h2, h3, h4, h5, h6 {
      font-family: var(--st-font-serif);
      font-weight: 600;
      line-height: 1.4;
      margin-bottom: 0.75rem;
    }
    a { color: var(--st-copper); text-decoration: none; transition: var(--st-transition); }
    a:hover, a:focus { color: var(--st-copper-dark); }
    a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
      outline: 2px solid var(--st-copper);
      outline-offset: 2px;
    }
    img { max-width: 100%; height: auto; display: block; }
    .container { max-width: 1200px; }
    .section {
      padding: 88px 0;
      position: relative;
      background-color: var(--st-bone);
    }
    .section-dark {
      background-color: var(--st-black);
      color: var(--st-bone);
    }
    .section-dark h2, .section-dark h3 { color: #fff; }
    .section-line-top { border-top: 1px solid var(--st-line); }
    .eyebrow {
      display: inline-block;
      font-size: 0.85rem;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--st-copper);
      font-weight: 600;
      margin-bottom: 1rem;
    }
    .btn-st-primary {
      background-color: var(--st-copper);
      color: #fff;
      border: 1px solid var(--st-copper);
      border-radius: var(--st-radius-sm);
      padding: 0.8rem 1.8rem;
      font-weight: 600;
      letter-spacing: 0.02em;
      transition: var(--st-transition);
    }
    .btn-st-primary:hover, .btn-st-primary:focus {
      background-color: var(--st-copper-dark);
      border-color: var(--st-copper-dark);
      color: #fff;
    }
    .btn-st-outline {
      background-color: transparent;
      color: var(--st-copper);
      border: 1px solid var(--st-copper);
      border-radius: var(--st-radius-sm);
      padding: 0.7rem 1.6rem;
      font-weight: 600;
      transition: var(--st-transition);
    }
    .btn-st-outline:hover, .btn-st-outline:focus {
      background-color: var(--st-copper);
      color: #fff;
    }
    .btn-st-dark {
      background-color: var(--st-black);
      color: #fff;
      border: 1px solid var(--st-black);
      border-radius: var(--st-radius-sm);
      padding: 0.8rem 1.8rem;
      font-weight: 600;
      transition: var(--st-transition);
    }
    .btn-st-dark:hover, .btn-st-dark:focus {
      background-color: #000;
      border-color: #000;
      color: #fff;
    }
    .card-st {
      background: var(--st-white);
      border: 1px solid var(--st-line);
      border-radius: var(--st-radius-sm);
      box-shadow: var(--st-shadow-sm);
      transition: var(--st-transition);
      overflow: hidden;
    }
    .card-st:hover {
      border-color: var(--st-copper);
      box-shadow: var(--st-shadow-md);
      transform: translateY(-2px);
    }
    .card-st img {
      width: 100%;
      height: auto;
      object-fit: cover;
    }
    .card-st .card-body {
      padding: 1.25rem;
    }
    .badge-st {
      background-color: var(--st-copper);
      color: #fff;
      border-radius: var(--st-radius-sm);
      font-weight: 500;
      padding: 0.25rem 0.6rem;
      font-size: 0.75rem;
      letter-spacing: 0.03em;
    }
    .list-unstyled li { margin-bottom: 0.5rem; }
    /* 杂志刊头导航 */
    .navbar-magazine {
      background-color: var(--st-black);
      color: var(--st-bone);
      border-bottom: 2px solid var(--st-copper);
      padding: 0;
      min-height: 76px;
      display: flex;
      align-items: center;
    }
    .navbar-magazine .container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: nowrap;
    }
    .navbar-brand-st {
      font-family: var(--st-font-serif);
      font-size: 1.9rem;
      font-weight: 700;
      color: #fff;
      white-space: nowrap;
      letter-spacing: 0.02em;
    }
    .navbar-brand-st:hover, .navbar-brand-st:focus { color: var(--st-copper); }
    .nav-divider {
      width: 1px;
      height: 30px;
      background-color: var(--st-line);
      margin: 0 1.2rem;
      opacity: 0.6;
    }
    .nav-links-desktop {
      display: flex;
      align-items: center;
      gap: 1.5rem;
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .nav-links-desktop li a {
      color: var(--st-bone);
      font-size: 0.88rem;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      font-weight: 500;
      padding: 0.4rem 0;
      border-bottom: 1px solid transparent;
      transition: var(--st-transition);
    }
    .nav-links-desktop li a:hover, .nav-links-desktop li a.active {
      color: var(--st-copper);
      border-bottom-color: var(--st-copper);
    }
    .navbar-toggler-st {
      background-color: transparent;
      border: 1px solid var(--st-line);
      color: var(--st-bone);
      border-radius: var(--st-radius-sm);
      padding: 0.35rem 0.7rem;
    }
    .navbar-toggler-st:hover, .navbar-toggler-st:focus { background-color: var(--st-copper); border-color: var(--st-copper); color: #fff; }
    .mobile-menu-collapse {
      background-color: var(--st-black);
      color: var(--st-bone);
      border-top: 1px solid var(--st-line);
      padding: 1rem 0;
    }
    .mobile-menu-collapse a {
      display: block;
      color: var(--st-bone);
      padding: 0.5rem 1rem;
      font-size: 0.95rem;
    }
    .mobile-menu-collapse a:hover, .mobile-menu-collapse a.active { color: var(--st-copper); }
    /* Hero */
    .hero-section {
      background: linear-gradient(135deg, rgba(24,24,24,0.95) 0%, rgba(24,24,24,0.88) 100%), url('/assets/images/7642eb3d8dea5f46.webp') center/cover no-repeat;
      color: var(--st-bone);
      padding: 100px 0 80px;
      position: relative;
    }
    .hero-section h1 {
      font-size: 2.8rem;
      font-weight: 700;
      color: #fff;
    }
    .hero-section .hero-lead {
      font-size: 1.1rem;
      line-height: 1.8;
      max-width: 680px;
      margin-bottom: 1.5rem;
    }
    .progress-st {
      background-color: rgba(255,255,255,0.2);
      border-radius: 20px;
      height: 10px;
      overflow: hidden;
      margin: 1.5rem 0 0.8rem;
    }
    .progress-bar-st {
      background-color: var(--st-copper);
      height: 100%;
      width: 72%;
      border-radius: 20px;
      transition: width 0.6s ease;
    }
    /* 数据带 */
    .data-strip {
      background-color: var(--st-blue-gray);
      color: #fff;
      padding: 20px 0;
    }
    .data-strip .data-item {
      text-align: center;
      padding: 10px 0;
    }
    .data-strip .data-number {
      font-size: 2rem;
      font-weight: 700;
      font-family: var(--st-font-serif);
      color: var(--st-copper);
      display: block;
    }
    .data-strip .data-label {
      font-size: 0.85rem;
      letter-spacing: 0.08em;
      text-transform: uppercase;
    }
    /* 非对称栅格 */
    .asym-grid {
      display: flex;
      flex-wrap: wrap;
      gap: 2rem;
    }
    .asym-grid .asym-main {
      flex: 1 1 60%;
      min-width: 280px;
    }
    .asym-grid .asym-side {
      flex: 1 1 35%;
      min-width: 250px;
      display: flex;
      flex-direction: column;
      gap: 1.5rem;
    }
    /* 水平滑动推荐 */
    .horizontal-scroll {
      overflow-x: auto;
      white-space: nowrap;
      -webkit-overflow-scrolling: touch;
      display: flex;
      gap: 1.5rem;
      padding: 1rem 0;
    }
    .horizontal-scroll .scroll-card {
      display: inline-block;
      white-space: normal;
      width: 300px;
      flex: 0 0 auto;
    }
    /* 步骤条 */
    .step-row {
      display: flex;
      flex-wrap: wrap;
      gap: 2rem;
    }
    .step-item {
      flex: 1 1 180px;
      border-left: 3px solid var(--st-copper);
      padding-left: 1.2rem;
      position: relative;
    }
    .step-number {
      font-family: var(--st-font-serif);
      font-size: 2rem;
      font-weight: 700;
      color: var(--st-copper);
      line-height: 1;
      display: block;
      margin-bottom: 0.5rem;
    }
    /* FAQ */
    .accordion-st .accordion-item {
      background-color: var(--st-white);
      border: 1px solid var(--st-line);
      border-radius: var(--st-radius-sm);
      margin-bottom: 0.8rem;
      overflow: hidden;
    }
    .accordion-st .accordion-button {
      background-color: var(--st-white);
      color: var(--st-black);
      font-weight: 600;
      padding: 1rem 1.2rem;
      border: none;
      box-shadow: none;
      border-bottom: 1px solid transparent;
      transition: var(--st-transition);
    }
    .accordion-st .accordion-button:not(.collapsed) {
      background-color: var(--st-off-white);
      color: var(--st-copper);
      border-bottom-color: var(--st-line);
    }
    .accordion-st .accordion-button:focus {
      box-shadow: none;
      outline: 2px solid var(--st-copper);
      outline-offset: -2px;
    }
    .accordion-st .accordion-body {
      padding: 1.2rem;
      color: #444;
    }
    /* 表单 */
    .form-control-st {
      background-color: var(--st-bone);
      border: 1px solid var(--st-line);
      border-radius: var(--st-radius-sm);
      padding: 0.7rem 0.9rem;
      transition: var(--st-transition);
    }
    .form-control-st:focus {
      border-color: var(--st-copper);
      box-shadow: 0 0 0 0.2rem rgba(180, 106, 60, 0.15);
      background-color: #fff;
    }
    /* 底部固定转化条 */
    .fixed-bottom-cta {
      position: fixed;
      bottom: 0;
      left: 0;
      right: 0;
      background-color: var(--st-black);
      color: #fff;
      z-index: 1000;
      padding: 0.6rem 0;
      box-shadow: 0 -4px 20px rgba(0,0,0,0.2);
      border-top: 2px solid var(--st-copper);
    }
    .fixed-bottom-cta .container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1rem;
      flex-wrap: wrap;
    }
    .fixed-bottom-cta .cta-text {
      font-weight: 500;
      font-size: 0.95rem;
    }
    /* 页脚 */
    .footer-st {
      background-color: var(--st-black);
      color: var(--st-bone);
      padding: 48px 0 20px;
      font-size: 0.9rem;
    }
    .footer-st a {
      color: var(--st-bone);
      text-decoration: none;
    }
    .footer-st a:hover { color: var(--st-copper); }
    .footer-brand {
      font-family: var(--st-font-serif);
      font-size: 1.5rem;
      font-weight: 700;
      color: #fff;
    }
    .footer-divider {
      border-top: 1px solid rgba(223,216,204,0.2);
      margin: 1.5rem 0;
    }
    /* 响应式 */
    @media (max-width: 992px) {
      .navbar-magazine .container { flex-wrap: nowrap; }
      .nav-links-desktop { display: none; }
      .nav-divider.d-none-lg { display: none; }
      .hero-section h1 { font-size: 2.2rem; }
      .section { padding: 56px 0; }
      .asym-grid { flex-direction: column; }
      .step-row { flex-direction: column; }
    }
    @media (max-width: 768px) {
      .hero-section h1 { font-size: 1.8rem; }
      .hero-section .hero-lead { font-size: 0.95rem; }
      .data-strip .data-number { font-size: 1.5rem; }
      .horizontal-scroll .scroll-card { width: 240px; }
    }
    @media (max-width: 520px) {
      body { font-size: 14px; }
      .hero-section { padding: 60px 0 40px; }
      .section { padding: 40px 0; }
      .fixed-bottom-cta .container { justify-content: center; text-align: center; }
    }

/* roulang page: category1 */
:root {
            --st-black: #181818;
            --st-copper: #B46A3C;
            --st-copper-dark: #9A572F;
            --st-bone: #F5F2EA;
            --st-blue-gray: #4B5D66;
            --st-line: #DFD8CC;
            --st-white: #FFFFFF;
            --st-off-white: #FAF8F4;
            --st-shadow-sm: 0 4px 14px rgba(24, 24, 24, 0.06);
            --st-shadow-md: 0 8px 24px rgba(24, 24, 24, 0.1);
            --st-radius-sm: 2px;
            --st-radius: 4px;
            --st-transition: all 0.3s ease;
            --st-font-serif: 'Noto Serif SC', 'Source Han Serif SC', serif;
            --st-font-sans: 'IBM Plex Sans', 'Barlow', sans-serif;
        }
        * {
            box-sizing: border-box;
        }
        body {
            font-family: var(--st-font-sans);
            background-color: var(--st-bone);
            color: var(--st-black);
            line-height: 1.75;
            font-size: 16px;
            margin: 0;
        }
        a {
            color: var(--st-copper);
            text-decoration: none;
            transition: var(--st-transition);
        }
        a:hover,
        a:focus {
            color: var(--st-copper-dark);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--st-copper);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1200px;
        }
        .section {
            padding: 88px 0;
            position: relative;
            background-color: var(--st-bone);
        }
        .section-dark {
            background-color: var(--st-black);
            color: var(--st-bone);
        }
        .section-dark h2,
        .section-dark h3 {
            color: #fff;
        }
        .section-line-top {
            border-top: 1px solid var(--st-line);
        }
        .eyebrow {
            display: inline-block;
            font-size: 0.85rem;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--st-copper);
            font-weight: 600;
            margin-bottom: 1rem;
        }
        .btn-st-primary {
            background-color: var(--st-copper);
            color: #fff;
            border: 1px solid var(--st-copper);
            border-radius: var(--st-radius-sm);
            padding: 0.8rem 1.8rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            transition: var(--st-transition);
        }
        .btn-st-primary:hover,
        .btn-st-primary:focus {
            background-color: var(--st-copper-dark);
            border-color: var(--st-copper-dark);
            color: #fff;
        }
        .btn-st-outline {
            background-color: transparent;
            color: var(--st-copper);
            border: 1px solid var(--st-copper);
            border-radius: var(--st-radius-sm);
            padding: 0.7rem 1.6rem;
            font-weight: 600;
            transition: var(--st-transition);
        }
        .btn-st-outline:hover,
        .btn-st-outline:focus {
            background-color: var(--st-copper);
            color: #fff;
        }
        .btn-st-dark {
            background-color: var(--st-black);
            color: #fff;
            border: 1px solid var(--st-black);
            border-radius: var(--st-radius-sm);
            padding: 0.8rem 1.8rem;
            font-weight: 600;
            transition: var(--st-transition);
        }
        .btn-st-dark:hover,
        .btn-st-dark:focus {
            background-color: #000;
            border-color: #000;
            color: #fff;
        }
        .card-st {
            background: var(--st-white);
            border: 1px solid var(--st-line);
            border-radius: var(--st-radius-sm);
            box-shadow: var(--st-shadow-sm);
            transition: var(--st-transition);
            overflow: hidden;
        }
        .card-st:hover {
            border-color: var(--st-copper);
            box-shadow: var(--st-shadow-md);
            transform: translateY(-2px);
        }
        .card-st img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }
        .card-st .card-body {
            padding: 1.25rem;
        }
        .badge-st {
            background-color: var(--st-copper);
            color: #fff;
            border-radius: var(--st-radius-sm);
            font-weight: 500;
            padding: 0.25rem 0.6rem;
            font-size: 0.75rem;
            letter-spacing: 0.03em;
        }
        .list-unstyled li {
            margin-bottom: 0.5rem;
        }
        /* 杂志刊头导航 */
        .navbar-magazine {
            background-color: var(--st-black);
            color: var(--st-bone);
            border-bottom: 2px solid var(--st-copper);
            padding: 0;
            min-height: 76px;
            display: flex;
            align-items: center;
        }
        .navbar-magazine .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: nowrap;
        }
        .navbar-brand-st {
            font-family: var(--st-font-serif);
            font-size: 1.9rem;
            font-weight: 700;
            color: #fff;
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .navbar-brand-st:hover,
        .navbar-brand-st:focus {
            color: var(--st-copper);
        }
        .nav-divider {
            width: 1px;
            height: 30px;
            background-color: var(--st-line);
            margin: 0 1.2rem;
            opacity: 0.6;
        }
        .nav-links-desktop {
            display: flex;
            align-items: center;
            gap: 1.5rem;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links-desktop li a {
            color: var(--st-bone);
            font-size: 0.88rem;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            font-weight: 500;
            padding: 0.4rem 0;
            border-bottom: 1px solid transparent;
            transition: var(--st-transition);
        }
        .nav-links-desktop li a:hover,
        .nav-links-desktop li a.active {
            color: var(--st-copper);
            border-bottom-color: var(--st-copper);
        }
        .navbar-toggler-st {
            background-color: transparent;
            border: 1px solid var(--st-line);
            color: var(--st-bone);
            border-radius: var(--st-radius-sm);
            padding: 0.35rem 0.7rem;
        }
        .navbar-toggler-st:hover,
        .navbar-toggler-st:focus {
            background-color: var(--st-copper);
            border-color: var(--st-copper);
            color: #fff;
        }
        .mobile-menu-collapse {
            background-color: var(--st-black);
            color: var(--st-bone);
            border-top: 1px solid var(--st-line);
            padding: 1rem 0;
        }
        .mobile-menu-collapse a {
            display: block;
            color: var(--st-bone);
            padding: 0.5rem 1rem;
            font-size: 0.95rem;
        }
        .mobile-menu-collapse a:hover,
        .mobile-menu-collapse a.active {
            color: var(--st-copper);
        }
        /* 页面头 */
        .page-header {
            background: linear-gradient(160deg, rgba(24,24,24,0.95) 0%, rgba(24,24,24,0.88) 100%), url('/assets/images/7642eb3d8dea5f46.webp') center/cover no-repeat;
            color: var(--st-bone);
            padding: 72px 0 64px;
            position: relative;
        }
        .page-header .breadcrumb {
            background: transparent;
            margin-bottom: 1.5rem;
            padding: 0;
        }
        .page-header .breadcrumb-item a {
            color: var(--st-line);
        }
        .page-header .breadcrumb-item.active {
            color: var(--st-copper);
        }
        .page-header h1 {
            font-size: 2.6rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1rem;
        }
        .page-header .lead {
            font-size: 1.05rem;
            max-width: 720px;
            color: rgba(245,242,234,0.9);
            line-height: 1.8;
        }
        /* 图文列表 */
        .feature-list-item {
            border-bottom: 1px solid var(--st-line);
            padding: 2rem 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 2rem;
        }
        .feature-list-item:last-child {
            border-bottom: none;
        }
        .feature-list-item .feature-img {
            flex: 0 0 220px;
            max-width: 220px;
        }
        .feature-list-item .feature-img img {
            border-radius: var(--st-radius-sm);
            width: 100%;
            height: 140px;
            object-fit: cover;
        }
        .feature-list-item .feature-content {
            flex: 1;
            min-width: 260px;
        }
        .feature-list-item h3 {
            font-family: var(--st-font-serif);
            font-size: 1.4rem;
            font-weight: 600;
            margin-bottom: 0.75rem;
        }
        .feature-list-item p {
            color: var(--st-blue-gray);
            margin-bottom: 0.75rem;
        }
        .feature-list-item .feature-meta {
            font-size: 0.85rem;
            color: var(--st-copper);
            font-weight: 500;
        }
        /* 编号流程 */
        .process-step {
            display: flex;
            gap: 1.5rem;
            margin-bottom: 2rem;
            align-items: flex-start;
        }
        .process-step .step-number {
            font-family: var(--st-font-serif);
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--st-copper);
            line-height: 1;
            min-width: 48px;
            text-align: center;
        }
        .process-step .step-content h3 {
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
        }
        .process-step .step-content p {
            color: var(--st-blue-gray);
            margin-bottom: 0;
        }
        /* 数据卡 */
        .data-card {
            background: var(--st-white);
            border: 1px solid var(--st-line);
            border-radius: var(--st-radius-sm);
            padding: 1.5rem;
            text-align: center;
            box-shadow: var(--st-shadow-sm);
            transition: var(--st-transition);
        }
        .data-card:hover {
            border-color: var(--st-copper);
            box-shadow: var(--st-shadow-md);
            transform: translateY(-2px);
        }
        .data-card .data-value {
            font-family: var(--st-font-serif);
            font-size: 2.8rem;
            font-weight: 700;
            color: var(--st-copper);
            line-height: 1.2;
        }
        .data-card .data-label {
            font-size: 0.9rem;
            color: var(--st-blue-gray);
            margin-top: 0.5rem;
        }
        /* 横向项目卡 */
        .project-card-horizontal {
            background: var(--st-white);
            border: 1px solid var(--st-line);
            border-radius: var(--st-radius-sm);
            overflow: hidden;
            box-shadow: var(--st-shadow-sm);
            display: flex;
            flex-wrap: wrap;
            margin-bottom: 1.5rem;
            transition: var(--st-transition);
        }
        .project-card-horizontal:hover {
            border-color: var(--st-copper);
            box-shadow: var(--st-shadow-md);
            transform: translateY(-2px);
        }
        .project-card-horizontal .project-img {
            flex: 0 0 180px;
            max-width: 180px;
        }
        .project-card-horizontal .project-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 150px;
        }
        .project-card-horizontal .project-body {
            flex: 1;
            padding: 1.25rem;
        }
        .project-card-horizontal h4 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
        }
        .project-card-horizontal p {
            color: var(--st-blue-gray);
            margin-bottom: 0;
        }
        /* 资源列表 */
        .resource-list-item {
            background: var(--st-white);
            border: 1px solid var(--st-line);
            border-radius: var(--st-radius-sm);
            padding: 1.25rem 1.5rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 1rem;
            transition: var(--st-transition);
        }
        .resource-list-item:hover {
            border-color: var(--st-copper);
            box-shadow: var(--st-shadow-sm);
        }
        .resource-list-item .resource-info h5 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 0.25rem;
        }
        .resource-list-item .resource-info p {
            color: var(--st-blue-gray);
            margin-bottom: 0;
            font-size: 0.9rem;
        }
        .resource-list-item .resource-action {
            flex-shrink: 0;
        }
        /* 表单 */
        .form-control-st {
            background-color: var(--st-off-white);
            border: 1px solid var(--st-line);
            border-radius: var(--st-radius-sm);
            padding: 0.75rem 1rem;
            font-size: 0.95rem;
            transition: var(--st-transition);
        }
        .form-control-st:focus {
            border-color: var(--st-copper);
            box-shadow: 0 0 0 0.2rem rgba(180,106,60,0.1);
            background-color: #fff;
        }
        /* FAQ */
        .accordion-st .accordion-item {
            border: 1px solid var(--st-line);
            border-radius: var(--st-radius-sm);
            margin-bottom: 0.75rem;
            background: var(--st-white);
            overflow: hidden;
        }
        .accordion-st .accordion-button {
            background: var(--st-white);
            color: var(--st-black);
            font-weight: 600;
            padding: 1.25rem 1.5rem;
            border: none;
            font-size: 1rem;
            border-radius: var(--st-radius-sm);
        }
        .accordion-st .accordion-button:not(.collapsed) {
            background: var(--st-off-white);
            color: var(--st-copper);
            box-shadow: none;
        }
        .accordion-st .accordion-button:focus {
            box-shadow: 0 0 0 0.2rem rgba(180,106,60,0.1);
        }
        .accordion-st .accordion-body {
            padding: 1.25rem 1.5rem;
            color: var(--st-blue-gray);
            line-height: 1.8;
        }
        /* 页脚 */
        .footer-st {
            background-color: var(--st-black);
            color: var(--st-bone);
            padding: 64px 0 32px;
            border-top: 2px solid var(--st-copper);
        }
        .footer-st .footer-brand {
            font-family: var(--st-font-serif);
            font-size: 1.8rem;
            font-weight: 700;
            color: #fff;
        }
        .footer-st h5 {
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 1rem;
        }
        .footer-st a {
            color: rgba(245,242,234,0.7);
        }
        .footer-st a:hover {
            color: var(--st-copper);
        }
        .footer-st .footer-divider {
            border-top: 1px solid rgba(223,216,204,0.3);
            margin: 2rem 0 1.5rem;
        }
        .footer-st .small-note {
            font-size: 0.85rem;
            color: rgba(245,242,234,0.6);
        }
        /* 响应式 */
        @media (max-width: 991.98px) {
            .navbar-magazine .container {
                flex-wrap: wrap;
            }
            .nav-divider {
                display: none;
            }
            .navbar-brand-st {
                font-size: 1.6rem;
            }
            .page-header h1 {
                font-size: 2rem;
            }
            .section {
                padding: 56px 0;
            }
            .feature-list-item {
                flex-direction: column;
                align-items: flex-start;
            }
            .feature-list-item .feature-img {
                flex: 0 0 100%;
                max-width: 100%;
            }
            .feature-list-item .feature-img img {
                height: 200px;
            }
            .project-card-horizontal {
                flex-direction: column;
            }
            .project-card-horizontal .project-img {
                flex: 0 0 auto;
                max-width: 100%;
            }
            .project-card-horizontal .project-img img {
                height: 200px;
                width: 100%;
            }
            .data-card .data-value {
                font-size: 2.2rem;
            }
        }
        @media (max-width: 575.98px) {
            .page-header {
                padding: 48px 0 40px;
            }
            .page-header h1 {
                font-size: 1.8rem;
            }
            .navbar-brand-st {
                font-size: 1.4rem;
            }
            .process-step {
                flex-direction: column;
                gap: 0.5rem;
            }
            .process-step .step-number {
                min-width: auto;
                text-align: left;
            }
        }

/* roulang page: category2 */
:root {
            --st-black: #181818;
            --st-copper: #B46A3C;
            --st-copper-dark: #9A572F;
            --st-bone: #F5F2EA;
            --st-blue-gray: #4B5D66;
            --st-line: #DFD8CC;
            --st-white: #FFFFFF;
            --st-off-white: #FAF8F4;
            --st-shadow-sm: 0 4px 14px rgba(24, 24, 24, 0.06);
            --st-shadow-md: 0 8px 24px rgba(24, 24, 24, 0.1);
            --st-shadow-lg: 0 16px 40px rgba(24, 24, 24, 0.14);
            --st-radius-sm: 2px;
            --st-radius: 4px;
            --st-transition: all 0.3s ease;
            --st-font-serif: 'Noto Serif SC', 'Source Han Serif SC', serif;
            --st-font-sans: 'IBM Plex Sans', 'Barlow', sans-serif;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--st-font-sans);
            background-color: var(--st-bone);
            color: var(--st-black);
            line-height: 1.75;
            font-size: 16px;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a:hover,
        a:focus {
            color: var(--st-copper-dark);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--st-copper);
            outline-offset: 2px;
        }

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

        .container {
            max-width: 1200px;
        }

        .section {
            padding: 72px 0;
            position: relative;
            background-color: var(--st-bone);
        }

        .section-dark {
            background-color: var(--st-black);
            color: var(--st-bone);
        }

        .section-dark h2,
        .section-dark h3 {
            color: #fff;
        }

        .section-line-top {
            border-top: 1px solid var(--st-line);
        }

        .eyebrow {
            display: inline-block;
            font-size: 0.85rem;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--st-copper);
            font-weight: 600;
            margin-bottom: 1rem;
        }

        /* 按钮样式 */
        .btn-st-primary {
            background-color: var(--st-copper);
            color: #fff;
            border: 1px solid var(--st-copper);
            border-radius: var(--st-radius-sm);
            padding: 0.8rem 1.8rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            transition: var(--st-transition);
        }

        .btn-st-primary:hover,
        .btn-st-primary:focus {
            background-color: var(--st-copper-dark);
            border-color: var(--st-copper-dark);
            color: #fff;
        }

        .btn-st-outline {
            background-color: transparent;
            color: var(--st-copper);
            border: 1px solid var(--st-copper);
            border-radius: var(--st-radius-sm);
            padding: 0.7rem 1.6rem;
            font-weight: 600;
            transition: var(--st-transition);
        }

        .btn-st-outline:hover,
        .btn-st-outline:focus {
            background-color: var(--st-copper);
            color: #fff;
        }

        .btn-st-dark {
            background-color: var(--st-black);
            color: #fff;
            border: 1px solid var(--st-black);
            border-radius: var(--st-radius-sm);
            padding: 0.8rem 1.8rem;
            font-weight: 600;
            transition: var(--st-transition);
        }

        .btn-st-dark:hover,
        .btn-st-dark:focus {
            background-color: #000;
            border-color: #000;
            color: #fff;
        }

        .btn-st-light {
            background-color: var(--st-bone);
            color: var(--st-black);
            border: 1px solid var(--st-bone);
            border-radius: var(--st-radius-sm);
            padding: 0.8rem 1.8rem;
            font-weight: 600;
            transition: var(--st-transition);
        }

        .btn-st-light:hover,
        .btn-st-light:focus {
            background-color: var(--st-white);
            border-color: var(--st-white);
            color: var(--st-black);
        }

        .card-st {
            background: var(--st-white);
            border: 1px solid var(--st-line);
            border-radius: var(--st-radius-sm);
            box-shadow: var(--st-shadow-sm);
            transition: var(--st-transition);
            overflow: hidden;
        }

        .card-st:hover {
            border-color: var(--st-copper);
            box-shadow: var(--st-shadow-md);
            transform: translateY(-2px);
        }

        .card-st img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }

        .card-st .card-body {
            padding: 1.25rem;
        }

        .badge-st {
            background-color: var(--st-copper);
            color: #fff;
            border-radius: var(--st-radius-sm);
            font-weight: 500;
            padding: 0.25rem 0.6rem;
            font-size: 0.72rem;
            letter-spacing: 0.03em;
            display: inline-block;
        }

        .badge-st-outline {
            background-color: transparent;
            color: var(--st-copper);
            border: 1px solid var(--st-copper);
            border-radius: var(--st-radius-sm);
            font-weight: 500;
            padding: 0.25rem 0.6rem;
            font-size: 0.72rem;
            letter-spacing: 0.03em;
            display: inline-block;
        }

        .list-unstyled li {
            margin-bottom: 0.5rem;
        }

        /* 杂志刊头导航 */
        .navbar-magazine {
            background-color: var(--st-black);
            color: var(--st-bone);
            border-bottom: 2px solid var(--st-copper);
            padding: 0;
            min-height: 76px;
            display: flex;
            align-items: center;
        }

        .navbar-magazine .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: nowrap;
        }

        .navbar-brand-st {
            font-family: var(--st-font-serif);
            font-size: 1.9rem;
            font-weight: 700;
            color: #fff;
            white-space: nowrap;
            letter-spacing: 0.02em;
            display: inline-block;
            line-height: 1.2;
        }

        .navbar-brand-st:hover,
        .navbar-brand-st:focus {
            color: var(--st-copper);
        }

        .nav-divider {
            width: 1px;
            height: 30px;
            background-color: var(--st-line);
            margin: 0 1.2rem;
            opacity: 0.6;
            flex-shrink: 0;
        }

        .nav-links-desktop {
            display: flex;
            align-items: center;
            gap: 1.4rem;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: nowrap;
        }

        .nav-links-desktop li a {
            color: var(--st-bone);
            font-size: 0.85rem;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            font-weight: 500;
            padding: 0.4rem 0;
            border-bottom: 1px solid transparent;
            transition: var(--st-transition);
            white-space: nowrap;
            display: inline-block;
        }

        .nav-links-desktop li a:hover,
        .nav-links-desktop li a.active {
            color: var(--st-copper);
            border-bottom-color: var(--st-copper);
        }

        .navbar-toggler-st {
            background-color: transparent;
            border: 1px solid var(--st-line);
            color: var(--st-bone);
            border-radius: var(--st-radius-sm);
            padding: 0.35rem 0.7rem;
            cursor: pointer;
            transition: var(--st-transition);
        }

        .navbar-toggler-st:hover,
        .navbar-toggler-st:focus {
            background-color: var(--st-copper);
            border-color: var(--st-copper);
            color: #fff;
        }

        .mobile-menu-collapse {
            background-color: var(--st-black);
            color: var(--st-bone);
            border-top: 1px solid var(--st-line);
            padding: 1rem 0;
        }

        .mobile-menu-collapse a {
            display: block;
            color: var(--st-bone);
            padding: 0.55rem 1rem;
            font-size: 0.95rem;
            border-left: 2px solid transparent;
            transition: var(--st-transition);
        }

        .mobile-menu-collapse a:hover,
        .mobile-menu-collapse a.active {
            color: var(--st-copper);
            border-left-color: var(--st-copper);
            padding-left: 1.4rem;
        }

        /* 面包屑 */
        .breadcrumb-st {
            background-color: transparent;
            padding: 0;
            margin: 0 0 1.2rem 0;
            font-size: 0.88rem;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.4rem;
            list-style: none;
        }

        .breadcrumb-st li {
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }

        .breadcrumb-st li:not(:last-child)::after {
            content: '/';
            color: var(--st-blue-gray);
            font-size: 0.8rem;
            margin-left: 0.4rem;
        }

        .breadcrumb-st a {
            color: var(--st-blue-gray);
            font-weight: 500;
            transition: var(--st-transition);
        }

        .breadcrumb-st a:hover {
            color: var(--st-copper);
        }

        .breadcrumb-st .current {
            color: var(--st-black);
            font-weight: 600;
        }

        /* 分类页头 */
        .category-header {
            padding: 48px 0 40px;
            background-color: var(--st-bone);
            border-bottom: 1px solid var(--st-line);
        }

        .category-header h1 {
            font-family: var(--st-font-serif);
            font-size: 2.6rem;
            font-weight: 700;
            color: var(--st-black);
            margin-bottom: 0.8rem;
            line-height: 1.25;
        }

        .category-header .lead-text {
            font-size: 1.05rem;
            color: var(--st-blue-gray);
            max-width: 680px;
            line-height: 1.8;
            margin-bottom: 0;
        }

        .category-meta-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            align-items: center;
        }

        .category-meta-stats .stat-item {
            display: flex;
            align-items: baseline;
            gap: 0.6rem;
        }

        .category-meta-stats .stat-number {
            font-family: var(--st-font-serif);
            font-size: 2rem;
            font-weight: 700;
            color: var(--st-copper);
            line-height: 1;
        }

        .category-meta-stats .stat-label {
            font-size: 0.85rem;
            color: var(--st-blue-gray);
            letter-spacing: 0.05em;
        }

        /* 大图头条 */
        .featured-story-section {
            padding: 48px 0 56px;
            background-color: var(--st-bone);
        }

        .featured-story-card {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0;
            background: var(--st-white);
            border: 1px solid var(--st-line);
            border-radius: var(--st-radius-sm);
            box-shadow: var(--st-shadow-sm);
            overflow: hidden;
            transition: var(--st-transition);
        }

        .featured-story-card:hover {
            border-color: var(--st-copper);
            box-shadow: var(--st-shadow-lg);
        }

        .featured-story-card .featured-img {
            position: relative;
            min-height: 380px;
            overflow: hidden;
        }

        .featured-story-card .featured-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            top: 0;
            left: 0;
        }

        .featured-story-card .featured-content {
            padding: 2.5rem 2.2rem;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .featured-story-card .featured-content .badge-st {
            align-self: flex-start;
            margin-bottom: 1rem;
        }

        .featured-story-card .featured-content h2 {
            font-family: var(--st-font-serif);
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--st-black);
            margin-bottom: 1rem;
            line-height: 1.4;
        }

        .featured-story-card .featured-content p {
            font-size: 0.98rem;
            color: var(--st-blue-gray);
            line-height: 1.8;
            margin-bottom: 1.2rem;
        }

        .featured-story-card .featured-meta {
            display: flex;
            align-items: center;
            gap: 1.2rem;
            font-size: 0.82rem;
            color: var(--st-blue-gray);
        }

        .featured-story-card .featured-meta i {
            color: var(--st-copper);
            margin-right: 0.3rem;
        }

        /* 杂志网格文章 */
        .article-grid-section {
            padding: 56px 0;
            background-color: var(--st-off-white);
            border-top: 1px solid var(--st-line);
            border-bottom: 1px solid var(--st-line);
        }

        .article-card-magazine {
            background: var(--st-white);
            border: 1px solid var(--st-line);
            border-radius: var(--st-radius-sm);
            box-shadow: var(--st-shadow-sm);
            overflow: hidden;
            transition: var(--st-transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .article-card-magazine:hover {
            border-color: var(--st-copper);
            box-shadow: var(--st-shadow-md);
            transform: translateY(-3px);
        }

        .article-card-magazine .article-img-wrap {
            overflow: hidden;
            position: relative;
        }

        .article-card-magazine .article-img-wrap img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .article-card-magazine:hover .article-img-wrap img {
            transform: scale(1.04);
        }

        .article-card-magazine .article-body {
            padding: 1.4rem 1.5rem 1.5rem;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .article-card-magazine .article-body h3 {
            font-family: var(--st-font-serif);
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--st-black);
            margin-bottom: 0.6rem;
            line-height: 1.45;
        }

        .article-card-magazine .article-body p {
            font-size: 0.88rem;
            color: var(--st-blue-gray);
            line-height: 1.7;
            margin-bottom: 1rem;
            flex: 1;
        }

        .article-card-magazine .article-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.78rem;
            color: var(--st-blue-gray);
            border-top: 1px solid var(--st-line);
            padding-top: 0.8rem;
        }

        .article-card-magazine .article-meta .tag {
            color: var(--st-copper);
            font-weight: 500;
            letter-spacing: 0.03em;
        }

        /* 横向文章卡片 */
        .article-card-horizontal {
            background: var(--st-white);
            border: 1px solid var(--st-line);
            border-radius: var(--st-radius-sm);
            box-shadow: var(--st-shadow-sm);
            overflow: hidden;
            transition: var(--st-transition);
            display: grid;
            grid-template-columns: 280px 1fr;
            min-height: 180px;
        }

        .article-card-horizontal:hover {
            border-color: var(--st-copper);
            box-shadow: var(--st-shadow-md);
            transform: translateY(-2px);
        }

        .article-card-horizontal .article-img-wrap {
            overflow: hidden;
        }

        .article-card-horizontal .article-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .article-card-horizontal:hover .article-img-wrap img {
            transform: scale(1.04);
        }

        .article-card-horizontal .article-body {
            padding: 1.5rem 1.5rem;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .article-card-horizontal .article-body h3 {
            font-family: var(--st-font-serif);
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--st-black);
            margin-bottom: 0.6rem;
            line-height: 1.4;
        }

        .article-card-horizontal .article-body p {
            font-size: 0.88rem;
            color: var(--st-blue-gray);
            line-height: 1.7;
            margin-bottom: 0.8rem;
        }

        .article-card-horizontal .article-meta {
            display: flex;
            align-items: center;
            gap: 1.2rem;
            font-size: 0.78rem;
            color: var(--st-blue-gray);
        }

        .article-card-horizontal .article-meta .tag {
            color: var(--st-copper);
            font-weight: 500;
        }

        /* 数据洞察 */
        .data-insights-section {
            padding: 64px 0;
            background: linear-gradient(135deg, var(--st-black) 0%, #2A2A2A 60%, #1F1F1F 100%);
            color: var(--st-bone);
            position: relative;
        }

        .data-insights-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/4b67e38d1e66eacf.webp') center/cover no-repeat;
            opacity: 0.08;
            pointer-events: none;
        }

        .data-insights-section h2 {
            font-family: var(--st-font-serif);
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1rem;
            position: relative;
        }

        .data-insights-section .section-intro {
            font-size: 0.98rem;
            color: rgba(245, 242, 234, 0.75);
            max-width: 560px;
            line-height: 1.8;
            margin-bottom: 2rem;
            position: relative;
        }

        .data-grid-st {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1rem;
            position: relative;
        }

        .data-tile-st {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(223, 216, 204, 0.18);
            border-radius: var(--st-radius-sm);
            padding: 1.5rem 1.2rem;
            text-align: center;
            transition: var(--st-transition);
        }

        .data-tile-st:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: var(--st-copper);
            transform: translateY(-3px);
        }

        .data-tile-st .tile-number {
            font-family: var(--st-font-serif);
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--st-copper);
            line-height: 1.1;
            display: block;
            margin-bottom: 0.3rem;
        }

        .data-tile-st .tile-label {
            font-size: 0.85rem;
            color: rgba(245, 242, 234, 0.75);
            letter-spacing: 0.06em;
        }

        /* 行业趋势专题 */
        .trend-topics-section {
            padding: 64px 0;
            background-color: var(--st-bone);
        }

        .trend-list-st {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .trend-list-st li {
            display: flex;
            align-items: flex-start;
            gap: 1.2rem;
            padding: 1.4rem 0;
            border-bottom: 1px solid var(--st-line);
            transition: var(--st-transition);
        }

        .trend-list-st li:hover {
            padding-left: 0.6rem;
        }

        .trend-list-st .trend-number {
            font-family: var(--st-font-serif);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--st-copper);
            flex-shrink: 0;
            width: 48px;
            text-align: center;
            line-height: 1.4;
        }

        .trend-list-st .trend-content h3 {
            font-family: var(--st-font-serif);
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--st-black);
            margin-bottom: 0.4rem;
            line-height: 1.45;
        }

        .trend-list-st .trend-content p {
            font-size: 0.9rem;
            color: var(--st-blue-gray);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .trend-list-st .trend-content .trend-badge {
            display: inline-block;
            font-size: 0.72rem;
            color: var(--st-copper);
            font-weight: 600;
            letter-spacing: 0.05em;
            margin-top: 0.4rem;
        }

        /* 标签筛选 */
        .tag-filter-section {
            padding: 40px 0;
            background-color: var(--st-off-white);
            border-top: 1px solid var(--st-line);
            border-bottom: 1px solid var(--st-line);
        }

        .tag-filter-st {
            display: flex;
            flex-wrap: wrap;
            gap: 0.7rem;
            align-items: center;
        }

        .tag-filter-st .filter-label {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--st-black);
            letter-spacing: 0.05em;
            margin-right: 0.4rem;
        }

        .tag-filter-st .filter-tag {
            display: inline-block;
            padding: 0.4rem 1rem;
            font-size: 0.82rem;
            color: var(--st-blue-gray);
            border: 1px solid var(--st-line);
            border-radius: var(--st-radius-sm);
            background-color: var(--st-white);
            cursor: pointer;
            transition: var(--st-transition);
            letter-spacing: 0.03em;
        }

        .tag-filter-st .filter-tag:hover,
        .tag-filter-st .filter-tag:focus {
            border-color: var(--st-copper);
            color: var(--st-copper);
            background-color: #fdf9f5;
        }

        .tag-filter-st .filter-tag.active {
            background-color: var(--st-copper);
            border-color: var(--st-copper);
            color: #fff;
        }

        /* 订阅 CTA */
        .subscribe-cta-section {
            padding: 56px 0;
            background-color: var(--st-black);
            color: var(--st-bone);
        }

        .subscribe-cta-section h2 {
            font-family: var(--st-font-serif);
            font-size: 1.8rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.8rem;
        }

        .subscribe-cta-section p {
            font-size: 0.95rem;
            color: rgba(245, 242, 234, 0.7);
            line-height: 1.8;
            margin-bottom: 1.4rem;
            max-width: 520px;
        }

        .subscribe-form-st {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
            max-width: 480px;
        }

        .subscribe-form-st input {
            flex: 1;
            min-width: 220px;
            background-color: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(223, 216, 204, 0.3);
            border-radius: var(--st-radius-sm);
            padding: 0.75rem 1rem;
            color: var(--st-bone);
            font-size: 0.92rem;
            transition: var(--st-transition);
        }

        .subscribe-form-st input::placeholder {
            color: rgba(245, 242, 234, 0.45);
        }

        .subscribe-form-st input:focus {
            outline: none;
            border-color: var(--st-copper);
            background-color: rgba(255, 255, 255, 0.12);
        }

        /* 分页 */
        .pagination-st {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem;
            justify-content: center;
            align-items: center;
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .pagination-st li a,
        .pagination-st li span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            height: 40px;
            padding: 0 0.8rem;
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--st-blue-gray);
            border: 1px solid var(--st-line);
            border-radius: var(--st-radius-sm);
            background-color: var(--st-white);
            transition: var(--st-transition);
            cursor: pointer;
        }

        .pagination-st li a:hover {
            border-color: var(--st-copper);
            color: var(--st-copper);
        }

        .pagination-st li .page-current {
            background-color: var(--st-copper);
            border-color: var(--st-copper);
            color: #fff;
        }

        .pagination-st li .page-disabled {
            opacity: 0.4;
            cursor: not-allowed;
            pointer-events: none;
        }

        /* 页脚 */
        .footer-st {
            background-color: var(--st-black);
            color: var(--st-bone);
            padding: 56px 0 24px;
            font-size: 0.9rem;
            position: relative;
            z-index: 5;
        }

        .footer-st .footer-brand {
            font-family: var(--st-font-serif);
            font-size: 1.6rem;
            font-weight: 700;
            color: #fff;
        }

        .footer-st h5 {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--st-copper);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 1rem;
            margin-top: 0.5rem;
        }

        .footer-st ul li a {
            color: rgba(245, 242, 234, 0.7);
            font-size: 0.88rem;
            transition: var(--st-transition);
        }

        .footer-st ul li a:hover {
            color: var(--st-copper);
        }

        .footer-st ul li {
            color: rgba(245, 242, 234, 0.7);
            font-size: 0.88rem;
            margin-bottom: 0.4rem;
        }

        .footer-st .footer-divider {
            border-top: 1px solid rgba(223, 216, 204, 0.2);
            margin: 2rem 0 1.2rem;
        }

        .footer-st .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            font-size: 0.78rem;
            color: rgba(245, 242, 234, 0.5);
            gap: 0.8rem;
        }

        .footer-st .footer-social a {
            color: rgba(245, 242, 234, 0.65);
            font-size: 1.1rem;
            transition: var(--st-transition);
            margin-right: 1rem;
        }

        .footer-st .footer-social a:hover {
            color: var(--st-copper);
        }

        /* 响应式设计 */
        @media (max-width: 992px) {
            .navbar-brand-st {
                font-size: 1.5rem;
            }

            .nav-links-desktop {
                display: none !important;
            }

            .nav-divider {
                display: none !important;
            }

            .navbar-magazine .container {
                justify-content: space-between;
            }

            .navbar-toggler-st {
                display: inline-block;
            }

            .category-header h1 {
                font-size: 2rem;
            }

            .featured-story-card {
                grid-template-columns: 1fr;
            }

            .featured-story-card .featured-img {
                min-height: 260px;
                position: relative;
            }

            .featured-story-card .featured-img img {
                position: relative;
                height: 260px;
            }

            .featured-story-card .featured-content {
                padding: 1.8rem 1.5rem;
            }

            .featured-story-card .featured-content h2 {
                font-size: 1.5rem;
            }

            .data-grid-st {
                grid-template-columns: repeat(2, 1fr);
                gap: 0.8rem;
            }

            .article-card-horizontal {
                grid-template-columns: 1fr;
            }

            .article-card-horizontal .article-img-wrap img {
                height: 200px;
                object-fit: cover;
            }

            .category-meta-stats {
                gap: 1.2rem;
            }

            .section {
                padding: 56px 0;
            }
        }

        @media (max-width: 768px) {
            body {
                font-size: 15px;
            }

            .category-header {
                padding: 32px 0 28px;
            }

            .category-header h1 {
                font-size: 1.7rem;
            }

            .category-header .lead-text {
                font-size: 0.95rem;
            }

            .category-meta-stats {
                gap: 1rem;
                flex-wrap: wrap;
            }

            .category-meta-stats .stat-number {
                font-size: 1.6rem;
            }

            .featured-story-card .featured-img,
            .featured-story-card .featured-img img {
                min-height: 220px;
                height: 220px;
            }

            .data-grid-st {
                grid-template-columns: 1fr 1fr;
                gap: 0.6rem;
            }

            .data-tile-st {
                padding: 1rem 0.8rem;
            }

            .data-tile-st .tile-number {
                font-size: 1.8rem;
            }

            .tag-filter-st {
                gap: 0.5rem;
            }

            .tag-filter-st .filter-tag {
                padding: 0.3rem 0.7rem;
                font-size: 0.75rem;
            }

            .subscribe-cta-section h2 {
                font-size: 1.5rem;
            }

            .subscribe-form-st {
                flex-direction: column;
            }

            .subscribe-form-st input {
                min-width: auto;
                width: 100%;
            }

            .subscribe-form-st .btn-st-primary {
                width: 100%;
            }

            .footer-st {
                padding: 36px 0 16px;
            }

            .footer-st .footer-brand {
                font-size: 1.3rem;
            }

            .section {
                padding: 44px 0;
            }

            .article-card-magazine .article-img-wrap img {
                height: 170px;
            }

            .trend-list-st li {
                flex-direction: column;
                gap: 0.5rem;
                padding: 1rem 0;
            }

            .trend-list-st .trend-number {
                width: auto;
                font-size: 1.3rem;
            }
        }

        @media (max-width: 576px) {
            .navbar-brand-st {
                font-size: 1.3rem;
                letter-spacing: 0.01em;
            }

            .category-header h1 {
                font-size: 1.45rem;
            }

            .category-header .lead-text {
                font-size: 0.88rem;
            }

            .featured-story-card .featured-content h2 {
                font-size: 1.25rem;
            }

            .featured-story-card .featured-content p {
                font-size: 0.85rem;
            }

            .data-grid-st {
                grid-template-columns: 1fr 1fr;
            }

            .data-tile-st .tile-number {
                font-size: 1.5rem;
            }

            .data-tile-st .tile-label {
                font-size: 0.72rem;
            }

            .article-card-magazine .article-body h3 {
                font-size: 1rem;
            }

            .article-card-magazine .article-body p {
                font-size: 0.82rem;
            }

            .pagination-st li a,
            .pagination-st li span {
                min-width: 34px;
                height: 34px;
                padding: 0 0.55rem;
                font-size: 0.78rem;
            }

            .breadcrumb-st {
                font-size: 0.78rem;
            }
        }

/* roulang page: category3 */
:root {
            --st-black: #181818;
            --st-copper: #B46A3C;
            --st-copper-dark: #9A572F;
            --st-bone: #F5F2EA;
            --st-blue-gray: #4B5D66;
            --st-line: #DFD8CC;
            --st-white: #FFFFFF;
            --st-off-white: #FAF8F4;
            --st-shadow-sm: 0 4px 14px rgba(24, 24, 24, 0.06);
            --st-shadow-md: 0 8px 24px rgba(24, 24, 24, 0.1);
            --st-radius-sm: 2px;
            --st-radius: 4px;
            --st-transition: all 0.3s ease;
            --st-font-serif: 'Noto Serif SC', 'Source Han Serif SC', serif;
            --st-font-sans: 'IBM Plex Sans', 'Barlow', sans-serif;
        }

        * {
            box-sizing: border-box;
        }

        body {
            font-family: var(--st-font-sans);
            background-color: var(--st-bone);
            color: var(--st-black);
            line-height: 1.75;
            padding-bottom: 0;
            font-size: 16px;
            margin: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a:hover,
        a:focus {
            color: var(--st-copper-dark);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--st-copper);
            outline-offset: 2px;
        }

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

        .container {
            max-width: 1200px;
        }

        h1, h2, h3, h4, h5, h6 {
            font-family: var(--st-font-serif);
            font-weight: 600;
            line-height: 1.35;
            color: var(--st-black);
            margin-top: 0;
        }

        h1 {
            font-size: 2.5rem;
        }

        h2 {
            font-size: 1.9rem;
            margin-bottom: 1.25rem;
        }

        h3 {
            font-size: 1.3rem;
            margin-bottom: 0.75rem;
        }

        p {
            margin-bottom: 1rem;
            color: var(--st-black);
        }

        .section {
            padding: 88px 0;
            position: relative;
            background-color: var(--st-bone);
        }

        .section-dark {
            background-color: var(--st-black);
            color: var(--st-bone);
        }

        .section-dark h2,
        .section-dark h3 {
            color: #fff;
        }

        .section-dark p {
            color: rgba(245, 242, 234, 0.85);
        }

        .section-line-top {
            border-top: 1px solid var(--st-line);
        }

        .eyebrow {
            display: inline-block;
            font-size: 0.85rem;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--st-copper);
            font-weight: 600;
            margin-bottom: 1rem;
            font-family: var(--st-font-sans);
        }

        .btn-st-primary {
            background-color: var(--st-copper);
            color: #fff;
            border: 1px solid var(--st-copper);
            border-radius: var(--st-radius-sm);
            padding: 0.8rem 1.8rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            transition: var(--st-transition);
            display: inline-block;
            font-size: 0.95rem;
        }

        .btn-st-primary:hover,
        .btn-st-primary:focus {
            background-color: var(--st-copper-dark);
            border-color: var(--st-copper-dark);
            color: #fff;
            text-decoration: none;
        }

        .btn-st-outline {
            background-color: transparent;
            color: var(--st-copper);
            border: 1px solid var(--st-copper);
            border-radius: var(--st-radius-sm);
            padding: 0.7rem 1.6rem;
            font-weight: 600;
            transition: var(--st-transition);
            display: inline-block;
            font-size: 0.95rem;
        }

        .btn-st-outline:hover,
        .btn-st-outline:focus {
            background-color: var(--st-copper);
            color: #fff;
            text-decoration: none;
        }

        .btn-st-dark {
            background-color: var(--st-black);
            color: #fff;
            border: 1px solid var(--st-black);
            border-radius: var(--st-radius-sm);
            padding: 0.8rem 1.8rem;
            font-weight: 600;
            transition: var(--st-transition);
            display: inline-block;
            font-size: 0.95rem;
        }

        .btn-st-dark:hover,
        .btn-st-dark:focus {
            background-color: #000;
            border-color: #000;
            color: #fff;
            text-decoration: none;
        }

        .card-st {
            background: var(--st-white);
            border: 1px solid var(--st-line);
            border-radius: var(--st-radius-sm);
            box-shadow: var(--st-shadow-sm);
            transition: var(--st-transition);
            overflow: hidden;
            height: 100%;
        }

        .card-st:hover {
            border-color: var(--st-copper);
            box-shadow: var(--st-shadow-md);
            transform: translateY(-2px);
        }

        .card-st img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            transition: var(--st-transition);
        }

        .card-st:hover img {
            transform: scale(1.02);
        }

        .card-st .card-body {
            padding: 1.4rem;
        }

        .badge-st {
            background-color: var(--st-copper);
            color: #fff;
            border-radius: var(--st-radius-sm);
            font-weight: 500;
            padding: 0.25rem 0.6rem;
            font-size: 0.75rem;
            letter-spacing: 0.03em;
            display: inline-block;
        }

        .list-unstyled {
            list-style: none;
            padding-left: 0;
            margin-bottom: 0;
        }

        .list-unstyled li {
            margin-bottom: 0.5rem;
        }

        /* 杂志刊头导航 */
        .navbar-magazine {
            background-color: var(--st-black);
            color: var(--st-bone);
            border-bottom: 2px solid var(--st-copper);
            padding: 0;
            min-height: 76px;
            display: flex;
            align-items: center;
        }

        .navbar-magazine .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: nowrap;
            width: 100%;
            max-width: 1200px;
            padding-left: 15px;
            padding-right: 15px;
        }

        .navbar-brand-st {
            font-family: var(--st-font-serif);
            font-size: 1.9rem;
            font-weight: 700;
            color: #fff;
            white-space: nowrap;
            letter-spacing: 0.02em;
            line-height: 76px;
            display: flex;
            align-items: center;
        }

        .navbar-brand-st:hover,
        .navbar-brand-st:focus {
            color: var(--st-copper);
        }

        .nav-divider {
            width: 1px;
            height: 30px;
            background-color: var(--st-line);
            margin: 0 1.2rem;
            opacity: 0.6;
            flex-shrink: 0;
        }

        .nav-links-desktop {
            display: flex;
            align-items: center;
            gap: 1.5rem;
            list-style: none;
            margin: 0;
            padding: 0;
            white-space: nowrap;
        }

        .nav-links-desktop li a {
            color: var(--st-bone);
            font-size: 0.88rem;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            font-weight: 500;
            padding: 0.4rem 0;
            border-bottom: 1px solid transparent;
            transition: var(--st-transition);
            display: inline-block;
        }

        .nav-links-desktop li a:hover,
        .nav-links-desktop li a.active {
            color: var(--st-copper);
            border-bottom-color: var(--st-copper);
        }

        .navbar-toggler-st {
            background-color: transparent;
            border: 1px solid var(--st-line);
            color: var(--st-bone);
            border-radius: var(--st-radius-sm);
            padding: 0.35rem 0.7rem;
            font-size: 1.1rem;
            cursor: pointer;
        }

        .navbar-toggler-st:hover,
        .navbar-toggler-st:focus {
            background-color: var(--st-copper);
            border-color: var(--st-copper);
            color: #fff;
        }

        .mobile-menu-collapse {
            background-color: var(--st-black);
            color: var(--st-bone);
            border-top: 1px solid var(--st-line);
            padding: 1rem 0;
        }

        .mobile-menu-collapse a {
            display: block;
            color: var(--st-bone);
            padding: 0.5rem 1rem;
            font-size: 0.95rem;
            transition: var(--st-transition);
        }

        .mobile-menu-collapse a:hover,
        .mobile-menu-collapse a.active {
            color: var(--st-copper);
        }

        /* 面包屑 */
        .breadcrumb-st {
            background: transparent;
            padding: 0;
            margin: 0;
            font-size: 0.85rem;
            color: rgba(245, 242, 234, 0.75);
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.4rem;
        }

        .breadcrumb-st a {
            color: rgba(245, 242, 234, 0.75);
            transition: var(--st-transition);
        }

        .breadcrumb-st a:hover {
            color: var(--st-copper);
        }

        /* 分类页头 */
        .page-header-section {
            background: linear-gradient(135deg, rgba(24,24,24,0.97) 0%, rgba(24,24,24,0.9) 100%), url('/assets/images/7642eb3d8dea5f46.webp') center/cover no-repeat;
            padding: 64px 0 56px;
            color: var(--st-bone);
            border-bottom: 2px solid var(--st-copper);
        }

        .page-header-section h1 {
            color: #fff;
            font-size: 2.6rem;
            margin-bottom: 1rem;
        }

        .page-header-section .page-lead {
            font-size: 1.05rem;
            color: rgba(245, 242, 234, 0.85);
            max-width: 720px;
            line-height: 1.8;
            margin-bottom: 0;
        }

        /* 案例交错卡片 */
        .case-stagger-item {
            display: flex;
            align-items: center;
            gap: 2.5rem;
            margin-bottom: 3.5rem;
            flex-wrap: wrap;
        }

        .case-stagger-item.reverse {
            flex-direction: row-reverse;
        }

        .case-stagger-image {
            flex: 1 1 420px;
            min-width: 280px;
            border-radius: var(--st-radius-sm);
            overflow: hidden;
            box-shadow: var(--st-shadow-sm);
            border: 1px solid var(--st-line);
        }

        .case-stagger-image img {
            width: 100%;
            height: 320px;
            object-fit: cover;
            transition: var(--st-transition);
        }

        .case-stagger-image:hover img {
            transform: scale(1.03);
        }

        .case-stagger-content {
            flex: 1 1 380px;
            min-width: 280px;
        }

        .case-stagger-content .case-tag {
            display: inline-block;
            font-size: 0.75rem;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--st-copper);
            font-weight: 600;
            margin-bottom: 0.6rem;
        }

        .case-stagger-content h3 {
            font-size: 1.5rem;
            margin-bottom: 0.8rem;
        }

        .case-stagger-content p {
            color: var(--st-blue-gray);
            line-height: 1.8;
        }

        .case-metric-row {
            display: flex;
            gap: 2rem;
            flex-wrap: wrap;
            margin-top: 1.5rem;
            padding-top: 1.2rem;
            border-top: 1px solid var(--st-line);
        }

        .case-metric {
            text-align: left;
        }

        .case-metric .metric-value {
            font-family: var(--st-font-sans);
            font-size: 1.6rem;
            font-weight: 600;
            color: var(--st-copper);
            display: block;
            line-height: 1.2;
        }

        .case-metric .metric-label {
            font-size: 0.8rem;
            color: var(--st-blue-gray);
            display: block;
            margin-top: 0.2rem;
        }

        /* 成果数据带 */
        .result-data-strip {
            background-color: var(--st-black);
            color: var(--st-bone);
            padding: 56px 0;
            border-top: 2px solid var(--st-copper);
            border-bottom: 2px solid var(--st-copper);
        }

        .result-data-strip h2 {
            color: #fff;
            margin-bottom: 2rem;
        }

        .result-data-item {
            text-align: center;
            padding: 1.5rem 1rem;
            border-right: 1px solid rgba(255,255,255,0.12);
        }

        .result-data-item:last-child {
            border-right: none;
        }

        .result-data-value {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--st-copper);
            line-height: 1.2;
            font-family: var(--st-font-sans);
        }

        .result-data-label {
            font-size: 0.85rem;
            color: rgba(245,242,234,0.75);
            margin-top: 0.5rem;
        }

        /* 标签过滤 */
        .tag-filter-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem;
            margin-bottom: 2rem;
        }

        .tag-filter-bar .tag-btn {
            background: transparent;
            border: 1px solid var(--st-line);
            color: var(--st-blue-gray);
            border-radius: var(--st-radius-sm);
            padding: 0.4rem 1rem;
            font-size: 0.85rem;
            cursor: pointer;
            transition: var(--st-transition);
            font-family: var(--st-font-sans);
            font-weight: 500;
        }

        .tag-filter-bar .tag-btn:hover,
        .tag-filter-bar .tag-btn.active {
            background: var(--st-copper);
            border-color: var(--st-copper);
            color: #fff;
        }

        /* 横条代表案例 */
        .highlight-case-bar {
            background: var(--st-white);
            border: 1px solid var(--st-line);
            border-radius: var(--st-radius-sm);
            padding: 1.5rem;
            display: flex;
            align-items: center;
            gap: 1.5rem;
            flex-wrap: wrap;
            box-shadow: var(--st-shadow-sm);
            transition: var(--st-transition);
        }

        .highlight-case-bar:hover {
            border-color: var(--st-copper);
            box-shadow: var(--st-shadow-md);
        }

        .highlight-case-bar img {
            width: 120px;
            height: 80px;
            object-fit: cover;
            border-radius: var(--st-radius-sm);
            flex-shrink: 0;
        }

        .highlight-case-bar .highlight-content {
            flex: 1;
            min-width: 200px;
        }

        .highlight-case-bar h3 {
            font-size: 1.1rem;
            margin-bottom: 0.3rem;
        }

        .highlight-case-bar p {
            font-size: 0.9rem;
            color: var(--st-blue-gray);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* 轻CTA */
        .light-cta-section {
            background-color: var(--st-off-white);
            border-top: 1px solid var(--st-line);
            border-bottom: 1px solid var(--st-line);
            padding: 56px 0;
        }

        .light-cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 2rem;
            flex-wrap: wrap;
        }

        .light-cta-inner h2 {
            font-size: 1.6rem;
            margin-bottom: 0.3rem;
        }

        .light-cta-inner p {
            color: var(--st-blue-gray);
            margin-bottom: 0;
            font-size: 0.95rem;
        }

        /* 相关资源 */
        .resource-link-card {
            background: var(--st-white);
            border: 1px solid var(--st-line);
            border-radius: var(--st-radius-sm);
            padding: 1.4rem;
            height: 100%;
            transition: var(--st-transition);
            display: block;
            box-shadow: var(--st-shadow-sm);
        }

        .resource-link-card:hover {
            border-color: var(--st-copper);
            box-shadow: var(--st-shadow-md);
            transform: translateY(-2px);
        }

        .resource-link-card h3 {
            font-size: 1.1rem;
            margin-bottom: 0.5rem;
        }

        .resource-link-card p {
            font-size: 0.9rem;
            color: var(--st-blue-gray);
            margin-bottom: 0;
        }

        .resource-link-card .arrow-indicator {
            color: var(--st-copper);
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-block;
            margin-top: 0.8rem;
        }

        /* 页面特有分页 */
        .pagination-st {
            display: flex;
            gap: 0.4rem;
            list-style: none;
            padding: 0;
            margin: 2rem 0 0;
        }

        .pagination-st .page-link-st {
            background: var(--st-white);
            border: 1px solid var(--st-line);
            color: var(--st-black);
            border-radius: var(--st-radius-sm);
            padding: 0.45rem 0.9rem;
            font-size: 0.85rem;
            font-weight: 500;
            transition: var(--st-transition);
            display: inline-block;
        }

        .pagination-st .page-link-st:hover,
        .pagination-st .page-link-st.active {
            background: var(--st-copper);
            border-color: var(--st-copper);
            color: #fff;
        }

        /* 页脚 */
        .footer-st {
            background-color: var(--st-black);
            color: var(--st-bone);
            padding: 56px 0 32px;
            border-top: 2px solid var(--st-copper);
        }

        .footer-st .footer-brand {
            font-family: var(--st-font-serif);
            font-size: 1.6rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.02em;
        }

        .footer-st h5 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 1rem;
            letter-spacing: 0.04em;
            font-family: var(--st-font-sans);
        }

        .footer-st ul.list-unstyled li {
            margin-bottom: 0.5rem;
        }

        .footer-st ul.list-unstyled a {
            color: rgba(245, 242, 234, 0.7);
            font-size: 0.88rem;
            transition: var(--st-transition);
        }

        .footer-st ul.list-unstyled a:hover {
            color: var(--st-copper);
        }

        .footer-st ul.list-unstyled li {
            color: rgba(245, 242, 234, 0.7);
            font-size: 0.88rem;
        }

        .footer-st .footer-divider {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            margin: 2rem 0 1.5rem;
        }

        .footer-st .footer-bottom-text {
            font-size: 0.8rem;
            color: rgba(245, 242, 234, 0.55);
        }

        .footer-st .fa-brands,
        .footer-st .fa-solid {
            color: rgba(245, 242, 234, 0.7);
            transition: var(--st-transition);
        }

        .footer-st a:hover .fa-brands,
        .footer-st a:hover .fa-solid {
            color: var(--st-copper);
        }

        /* 响应式 */
        @media (max-width: 991px) {
            .navbar-brand-st {
                font-size: 1.6rem;
            }
            .section {
                padding: 64px 0;
            }
            .page-header-section {
                padding: 48px 0 40px;
            }
            .page-header-section h1 {
                font-size: 2rem;
            }
            h1 {
                font-size: 2.1rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            .case-stagger-item,
            .case-stagger-item.reverse {
                flex-direction: column;
                align-items: flex-start;
                gap: 1.5rem;
            }
            .case-stagger-image {
                width: 100%;
                flex: none;
            }
            .case-stagger-image img {
                height: 240px;
            }
            .case-stagger-content {
                flex: none;
                width: 100%;
            }
            .result-data-item {
                border-right: none;
                border-bottom: 1px solid rgba(255,255,255,0.12);
                padding: 1rem;
            }
            .result-data-item:last-child {
                border-bottom: none;
            }
            .highlight-case-bar {
                flex-direction: column;
                align-items: flex-start;
                gap: 1rem;
            }
            .highlight-case-bar img {
                width: 100%;
                height: 180px;
            }
            .light-cta-inner {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 767px) {
            body {
                font-size: 15px;
            }
            .section {
                padding: 48px 0;
            }
            .page-header-section {
                padding: 40px 0 32px;
            }
            .page-header-section h1 {
                font-size: 1.7rem;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .navbar-brand-st {
                font-size: 1.4rem;
            }
            .case-metric-row {
                gap: 1.2rem;
            }
            .case-metric .metric-value {
                font-size: 1.3rem;
            }
            .result-data-value {
                font-size: 1.7rem;
            }
            .tag-filter-bar {
                gap: 0.4rem;
            }
            .tag-filter-bar .tag-btn {
                padding: 0.3rem 0.7rem;
                font-size: 0.78rem;
            }
            .pagination-st {
                flex-wrap: wrap;
            }
        }

        @media (max-width: 520px) {
            .page-header-section h1 {
                font-size: 1.5rem;
            }
            .page-header-section .page-lead {
                font-size: 0.95rem;
            }
            .case-stagger-image img {
                height: 200px;
            }
            .case-stagger-content h3 {
                font-size: 1.25rem;
            }
            .result-data-value {
                font-size: 1.5rem;
            }
            .highlight-case-bar img {
                height: 140px;
            }
            .light-cta-inner h2 {
                font-size: 1.3rem;
            }
            .btn-st-primary,
            .btn-st-dark,
            .btn-st-outline {
                padding: 0.65rem 1.3rem;
                font-size: 0.88rem;
                width: 100%;
                text-align: center;
            }
        }

/* roulang page: category4 */
:root {
            --st-black: #181818;
            --st-copper: #B46A3C;
            --st-copper-dark: #9A572F;
            --st-bone: #F5F2EA;
            --st-blue-gray: #4B5D66;
            --st-line: #DFD8CC;
            --st-white: #FFFFFF;
            --st-off-white: #FAF8F4;
            --st-shadow-sm: 0 4px 14px rgba(24, 24, 24, 0.06);
            --st-shadow-md: 0 8px 24px rgba(24, 24, 24, 0.1);
            --st-radius-sm: 2px;
            --st-radius: 4px;
            --st-transition: all 0.3s ease;
            --st-font-serif: 'Noto Serif SC', 'Source Han Serif SC', serif;
            --st-font-sans: 'IBM Plex Sans', 'Barlow', sans-serif;
        }
        * {
            box-sizing: border-box;
        }
        body {
            font-family: var(--st-font-sans);
            background-color: var(--st-bone);
            color: var(--st-black);
            line-height: 1.75;
            padding-bottom: 0;
            font-size: 16px;
            margin: 0;
        }
        a {
            color: var(--st-copper);
            text-decoration: none;
            transition: var(--st-transition);
        }
        a:hover,
        a:focus {
            color: var(--st-copper-dark);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--st-copper);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1200px;
        }
        .section {
            padding: 72px 0;
            position: relative;
            background-color: var(--st-bone);
        }
        .section-dark {
            background-color: var(--st-black);
            color: var(--st-bone);
        }
        .section-dark h2,
        .section-dark h3 {
            color: #fff;
        }
        .section-line-top {
            border-top: 1px solid var(--st-line);
        }
        .section-off-white {
            background-color: var(--st-off-white);
        }
        .eyebrow {
            display: inline-block;
            font-size: 0.85rem;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--st-copper);
            font-weight: 600;
            margin-bottom: 1rem;
        }
        .btn-st-primary {
            background-color: var(--st-copper);
            color: #fff;
            border: 1px solid var(--st-copper);
            border-radius: var(--st-radius-sm);
            padding: 0.8rem 1.8rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            transition: var(--st-transition);
        }
        .btn-st-primary:hover,
        .btn-st-primary:focus {
            background-color: var(--st-copper-dark);
            border-color: var(--st-copper-dark);
            color: #fff;
        }
        .btn-st-outline {
            background-color: transparent;
            color: var(--st-copper);
            border: 1px solid var(--st-copper);
            border-radius: var(--st-radius-sm);
            padding: 0.7rem 1.6rem;
            font-weight: 600;
            transition: var(--st-transition);
        }
        .btn-st-outline:hover,
        .btn-st-outline:focus {
            background-color: var(--st-copper);
            color: #fff;
        }
        .btn-st-dark {
            background-color: var(--st-black);
            color: #fff;
            border: 1px solid var(--st-black);
            border-radius: var(--st-radius-sm);
            padding: 0.8rem 1.8rem;
            font-weight: 600;
            transition: var(--st-transition);
        }
        .btn-st-dark:hover,
        .btn-st-dark:focus {
            background-color: #000;
            border-color: #000;
            color: #fff;
        }
        .card-st {
            background: var(--st-white);
            border: 1px solid var(--st-line);
            border-radius: var(--st-radius-sm);
            box-shadow: var(--st-shadow-sm);
            transition: var(--st-transition);
            overflow: hidden;
        }
        .card-st:hover {
            border-color: var(--st-copper);
            box-shadow: var(--st-shadow-md);
            transform: translateY(-2px);
        }
        .card-st img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }
        .card-st .card-body {
            padding: 1.25rem;
        }
        .badge-st {
            background-color: var(--st-copper);
            color: #fff;
            border-radius: var(--st-radius-sm);
            font-weight: 500;
            padding: 0.25rem 0.6rem;
            font-size: 0.75rem;
            letter-spacing: 0.03em;
        }
        .badge-outline {
            background-color: transparent;
            color: var(--st-copper);
            border: 1px solid var(--st-copper);
            border-radius: var(--st-radius-sm);
            font-weight: 500;
            padding: 0.2rem 0.5rem;
            font-size: 0.75rem;
            letter-spacing: 0.03em;
        }
        .list-unstyled li {
            margin-bottom: 0.5rem;
        }
        .text-copper {
            color: var(--st-copper);
        }
        .bg-black-st {
            background-color: var(--st-black);
        }
        /* 杂志刊头导航 */
        .navbar-magazine {
            background-color: var(--st-black);
            color: var(--st-bone);
            border-bottom: 2px solid var(--st-copper);
            padding: 0;
            min-height: 76px;
            display: flex;
            align-items: center;
        }
        .navbar-magazine .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: nowrap;
        }
        .navbar-brand-st {
            font-family: var(--st-font-serif);
            font-size: 1.9rem;
            font-weight: 700;
            color: #fff;
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .navbar-brand-st:hover,
        .navbar-brand-st:focus {
            color: var(--st-copper);
        }
        .nav-divider {
            width: 1px;
            height: 30px;
            background-color: var(--st-line);
            margin: 0 1.2rem;
            opacity: 0.6;
        }
        .nav-links-desktop {
            display: flex;
            align-items: center;
            gap: 1.5rem;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links-desktop li a {
            color: var(--st-bone);
            font-size: 0.88rem;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            font-weight: 500;
            padding: 0.4rem 0;
            border-bottom: 1px solid transparent;
            transition: var(--st-transition);
        }
        .nav-links-desktop li a:hover,
        .nav-links-desktop li a.active {
            color: var(--st-copper);
            border-bottom-color: var(--st-copper);
        }
        .navbar-toggler-st {
            background-color: transparent;
            border: 1px solid var(--st-line);
            color: var(--st-bone);
            border-radius: var(--st-radius-sm);
            padding: 0.35rem 0.7rem;
        }
        .navbar-toggler-st:hover,
        .navbar-toggler-st:focus {
            background-color: var(--st-copper);
            border-color: var(--st-copper);
            color: #fff;
        }
        .mobile-menu-collapse {
            background-color: var(--st-black);
            color: var(--st-bone);
            border-top: 1px solid var(--st-line);
            padding: 1rem 0;
        }
        .mobile-menu-collapse a {
            display: block;
            color: var(--st-bone);
            padding: 0.5rem 1rem;
            font-size: 0.95rem;
        }
        .mobile-menu-collapse a:hover,
        .mobile-menu-collapse a.active {
            color: var(--st-copper);
        }
        /* Hero 分类头部 */
        .page-header-st {
            background: linear-gradient(135deg, rgba(24,24,24,0.97) 0%, rgba(24,24,24,0.9) 100%), url('/assets/images/4b67e38d1e66eacf.webp') center/cover no-repeat;
            color: var(--st-bone);
            padding: 72px 0 56px;
            border-bottom: 1px solid var(--st-line);
        }
        .page-header-st h1 {
            font-size: 2.6rem;
            font-weight: 700;
            color: #fff;
            font-family: var(--st-font-serif);
            letter-spacing: 0.01em;
        }
        .breadcrumb-st {
            background: transparent;
            margin: 0;
            padding: 0;
            font-size: 0.9rem;
            color: rgba(245,242,234,0.75);
        }
        .breadcrumb-st a {
            color: rgba(245,242,234,0.85);
        }
        .breadcrumb-st a:hover {
            color: var(--st-copper);
        }
        .breadcrumb-st .separator {
            margin: 0 0.5rem;
            color: rgba(245,242,234,0.5);
        }
        /* 搜索条 */
        .search-bar-st {
            background: var(--st-white);
            border: 1px solid var(--st-line);
            border-radius: var(--st-radius-sm);
            box-shadow: var(--st-shadow-sm);
            padding: 1.2rem 1.5rem;
        }
        .search-bar-st input,
        .search-bar-st select {
            background-color: var(--st-off-white);
            border: 1px solid var(--st-line);
            border-radius: var(--st-radius-sm);
            padding: 0.6rem 1rem;
            font-size: 0.95rem;
            color: var(--st-black);
            width: 100%;
        }
        .search-bar-st input:focus,
        .search-bar-st select:focus {
            border-color: var(--st-copper);
            outline: none;
            box-shadow: 0 0 0 2px rgba(180,106,60,0.15);
        }
        .search-bar-st label {
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            color: var(--st-blue-gray);
            margin-bottom: 0.3rem;
            display: block;
        }
        .chip-tag {
            display: inline-block;
            background-color: var(--st-off-white);
            border: 1px solid var(--st-line);
            color: var(--st-blue-gray);
            border-radius: var(--st-radius-sm);
            padding: 0.2rem 0.7rem;
            font-size: 0.8rem;
            letter-spacing: 0.03em;
            cursor: pointer;
            transition: var(--st-transition);
            margin-right: 0.3rem;
            margin-bottom: 0.3rem;
        }
        .chip-tag:hover,
        .chip-tag.active {
            background-color: var(--st-copper);
            border-color: var(--st-copper);
            color: #fff;
        }
        /* 资源列表 */
        .resource-list-item {
            display: flex;
            gap: 1.2rem;
            background: var(--st-white);
            border: 1px solid var(--st-line);
            border-radius: var(--st-radius-sm);
            box-shadow: var(--st-shadow-sm);
            padding: 1rem;
            transition: var(--st-transition);
            margin-bottom: 1rem;
            align-items: center;
        }
        .resource-list-item:hover {
            border-color: var(--st-copper);
            box-shadow: var(--st-shadow-md);
            transform: translateY(-2px);
        }
        .resource-list-item img {
            width: 150px;
            height: 100px;
            object-fit: cover;
            border-radius: var(--st-radius-sm);
            flex-shrink: 0;
        }
        .resource-list-item .resource-info {
            flex: 1;
        }
        .resource-list-item .resource-title {
            font-family: var(--st-font-serif);
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--st-black);
            margin-bottom: 0.25rem;
        }
        .resource-list-item .resource-summary {
            color: var(--st-blue-gray);
            font-size: 0.95rem;
            line-height: 1.6;
            margin-bottom: 0.4rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .resource-meta {
            font-size: 0.8rem;
            color: rgba(24,24,24,0.55);
            letter-spacing: 0.03em;
        }
        .resource-meta span {
            margin-right: 1rem;
        }
        .resource-meta i {
            color: var(--st-copper);
            margin-right: 0.25rem;
        }
        /* 代表内容横条 */
        .highlight-strip {
            background-color: var(--st-black);
            color: var(--st-bone);
            border-radius: var(--st-radius-sm);
            padding: 1.8rem;
            display: flex;
            align-items: center;
            gap: 1.5rem;
            box-shadow: var(--st-shadow-md);
        }
        .highlight-strip .highlight-num {
            font-size: 3rem;
            font-weight: 700;
            color: var(--st-copper);
            font-family: var(--st-font-serif);
            line-height: 1;
        }
        .highlight-strip h3 {
            color: #fff;
            font-size: 1.3rem;
            margin-bottom: 0.3rem;
        }
        .highlight-strip p {
            color: rgba(245,242,234,0.8);
            margin-bottom: 0;
            font-size: 0.95rem;
        }
        /* 统计卡片 */
        .stat-card-st {
            background: var(--st-white);
            border: 1px solid var(--st-line);
            border-radius: var(--st-radius-sm);
            padding: 1.2rem 1.5rem;
            text-align: center;
            box-shadow: var(--st-shadow-sm);
            transition: var(--st-transition);
        }
        .stat-card-st:hover {
            border-color: var(--st-copper);
            transform: translateY(-2px);
            box-shadow: var(--st-shadow-md);
        }
        .stat-card-st .stat-value {
            font-family: var(--st-font-serif);
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--st-copper);
            line-height: 1.2;
        }
        .stat-card-st .stat-label {
            font-size: 0.9rem;
            color: var(--st-blue-gray);
            letter-spacing: 0.04em;
            margin-top: 0.3rem;
        }
        /* 轻CTA */
        .cta-panel {
            background-color: var(--st-off-white);
            border: 1px solid var(--st-line);
            border-left: 4px solid var(--st-copper);
            border-radius: var(--st-radius-sm);
            padding: 2.2rem;
            box-shadow: var(--st-shadow-sm);
        }
        .cta-panel h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--st-black);
            margin-bottom: 0.8rem;
        }
        .cta-panel p {
            color: var(--st-blue-gray);
            font-size: 1.05rem;
            margin-bottom: 1.5rem;
        }
        /* 分页 */
        .pagination-st {
            display: flex;
            gap: 0.5rem;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .pagination-st li a,
        .pagination-st li span {
            display: inline-block;
            padding: 0.4rem 0.9rem;
            background-color: var(--st-white);
            border: 1px solid var(--st-line);
            border-radius: var(--st-radius-sm);
            color: var(--st-black);
            font-size: 0.9rem;
            transition: var(--st-transition);
        }
        .pagination-st li a:hover,
        .pagination-st li span.active {
            background-color: var(--st-copper);
            border-color: var(--st-copper);
            color: #fff;
        }
        /* 页脚 */
        .footer-st {
            background-color: var(--st-black);
            color: var(--st-bone);
            padding: 56px 0 24px;
            border-top: 2px solid var(--st-copper);
        }
        .footer-st .footer-brand {
            font-family: var(--st-font-serif);
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.02em;
        }
        .footer-st h5 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 1rem;
            letter-spacing: 0.05em;
        }
        .footer-st a {
            color: rgba(245,242,234,0.75);
            font-size: 0.95rem;
            transition: var(--st-transition);
        }
        .footer-st a:hover {
            color: var(--st-copper);
        }
        .footer-st ul {
            margin: 0;
            padding: 0;
        }
        .footer-st ul li {
            margin-bottom: 0.5rem;
            list-style: none;
        }
        .footer-st i {
            color: var(--st-copper);
        }
        .footer-divider {
            height: 1px;
            background-color: var(--st-line);
            opacity: 0.3;
            margin: 2rem 0 1.5rem;
        }
        .footer-st .social-links a {
            color: rgba(245,242,234,0.7);
            font-size: 1.3rem;
            margin-right: 1rem;
            transition: var(--st-transition);
        }
        .footer-st .social-links a:hover {
            color: var(--st-copper);
        }
        /* 响应式 */
        @media (max-width: 991.98px) {
            .navbar-magazine .container {
                flex-wrap: wrap;
            }
            .nav-divider {
                display: none;
            }
            .navbar-brand-st {
                font-size: 1.6rem;
            }
            .page-header-st h1 {
                font-size: 2.2rem;
            }
            .resource-list-item {
                flex-direction: column;
                align-items: flex-start;
            }
            .resource-list-item img {
                width: 100%;
                height: 180px;
            }
            .section {
                padding: 56px 0;
            }
            .highlight-strip {
                flex-direction: column;
                align-items: flex-start;
            }
        }
        @media (max-width: 767.98px) {
            .page-header-st {
                padding: 56px 0 40px;
            }
            .page-header-st h1 {
                font-size: 1.9rem;
            }
            .search-bar-st {
                padding: 1rem;
            }
            .resource-list-item {
                padding: 0.8rem;
            }
            .cta-panel {
                padding: 1.5rem;
            }
            .stat-card-st .stat-value {
                font-size: 1.8rem;
            }
        }
        @media (max-width: 519.98px) {
            .navbar-brand-st {
                font-size: 1.4rem;
            }
            .nav-links-desktop {
                gap: 1rem;
            }
            .page-header-st h1 {
                font-size: 1.6rem;
            }
            .hero-section {
                padding: 70px 0 60px;
            }
            .section {
                padding: 48px 0;
            }
            .resource-list-item img {
                height: 160px;
            }
            .btn-st-primary,
            .btn-st-outline,
            .btn-st-dark {
                padding: 0.7rem 1.2rem;
                font-size: 0.9rem;
            }
        }

/* roulang page: category5 */
:root {
            --st-black: #181818;
            --st-copper: #B46A3C;
            --st-copper-dark: #9A572F;
            --st-bone: #F5F2EA;
            --st-blue-gray: #4B5D66;
            --st-line: #DFD8CC;
            --st-white: #FFFFFF;
            --st-off-white: #FAF8F4;
            --st-shadow-sm: 0 4px 14px rgba(24, 24, 24, 0.06);
            --st-shadow-md: 0 8px 24px rgba(24, 24, 24, 0.1);
            --st-radius-sm: 2px;
            --st-radius: 4px;
            --st-transition: all 0.3s ease;
            --st-font-serif: 'Noto Serif SC', 'Source Han Serif SC', serif;
            --st-font-sans: 'IBM Plex Sans', 'Barlow', sans-serif;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--st-font-sans);
            background-color: var(--st-bone);
            color: var(--st-black);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: 0;
        }
        a {
            color: var(--st-copper);
            text-decoration: none;
            transition: var(--st-transition);
        }
        a:hover,
        a:focus {
            color: var(--st-copper-dark);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--st-copper);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1200px;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--st-font-serif);
            font-weight: 700;
            line-height: 1.35;
            color: var(--st-black);
        }
        .section {
            padding: 72px 0;
            position: relative;
            background-color: var(--st-bone);
        }
        .section-dark {
            background-color: var(--st-black);
            color: var(--st-bone);
        }
        .section-dark h2,
        .section-dark h3,
        .section-dark h4 {
            color: #fff;
        }
        .section-line-top {
            border-top: 1px solid var(--st-line);
        }
        .section-off-white {
            background-color: var(--st-off-white);
        }
        .eyebrow {
            display: inline-block;
            font-size: 0.82rem;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--st-copper);
            font-weight: 600;
            margin-bottom: 0.75rem;
            font-family: var(--st-font-sans);
        }
        .btn-st-primary {
            background-color: var(--st-copper);
            color: #fff;
            border: 1px solid var(--st-copper);
            border-radius: var(--st-radius-sm);
            padding: 0.75rem 1.6rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            transition: var(--st-transition);
            display: inline-block;
            font-size: 0.95rem;
            text-align: center;
        }
        .btn-st-primary:hover,
        .btn-st-primary:focus {
            background-color: var(--st-copper-dark);
            border-color: var(--st-copper-dark);
            color: #fff;
        }
        .btn-st-outline {
            background-color: transparent;
            color: var(--st-copper);
            border: 1px solid var(--st-copper);
            border-radius: var(--st-radius-sm);
            padding: 0.7rem 1.5rem;
            font-weight: 600;
            transition: var(--st-transition);
            display: inline-block;
            font-size: 0.95rem;
            text-align: center;
        }
        .btn-st-outline:hover,
        .btn-st-outline:focus {
            background-color: var(--st-copper);
            color: #fff;
        }
        .btn-st-dark {
            background-color: var(--st-black);
            color: #fff;
            border: 1px solid var(--st-black);
            border-radius: var(--st-radius-sm);
            padding: 0.75rem 1.6rem;
            font-weight: 600;
            transition: var(--st-transition);
            display: inline-block;
            font-size: 0.95rem;
            text-align: center;
        }
        .btn-st-dark:hover,
        .btn-st-dark:focus {
            background-color: #000;
            border-color: #000;
            color: #fff;
        }
        .card-st {
            background: var(--st-white);
            border: 1px solid var(--st-line);
            border-radius: var(--st-radius-sm);
            box-shadow: var(--st-shadow-sm);
            transition: var(--st-transition);
            overflow: hidden;
            height: 100%;
        }
        .card-st:hover {
            border-color: var(--st-copper);
            box-shadow: var(--st-shadow-md);
            transform: translateY(-2px);
        }
        .card-st img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 16/9;
        }
        .card-st .card-body {
            padding: 1.25rem 1.5rem 1.5rem;
        }
        .badge-st {
            background-color: var(--st-copper);
            color: #fff;
            border-radius: var(--st-radius-sm);
            font-weight: 500;
            padding: 0.25rem 0.6rem;
            font-size: 0.75rem;
            letter-spacing: 0.03em;
            display: inline-block;
        }
        .list-unstyled {
            list-style: none;
            padding-left: 0;
            margin-bottom: 0;
        }
        .list-unstyled li {
            margin-bottom: 0.5rem;
        }

        /* 杂志刊头导航 */
        .navbar-magazine {
            background-color: var(--st-black);
            color: var(--st-bone);
            border-bottom: 2px solid var(--st-copper);
            padding: 0;
            min-height: 76px;
            display: flex;
            align-items: center;
        }
        .navbar-magazine .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: nowrap;
            padding-top: 0.5rem;
            padding-bottom: 0.5rem;
        }
        .navbar-brand-st {
            font-family: var(--st-font-serif);
            font-size: 1.75rem;
            font-weight: 700;
            color: #fff;
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .navbar-brand-st:hover,
        .navbar-brand-st:focus {
            color: var(--st-copper);
        }
        .nav-divider {
            width: 1px;
            height: 30px;
            background-color: var(--st-line);
            margin: 0 1.2rem;
            opacity: 0.6;
        }
        .nav-links-desktop {
            display: flex;
            align-items: center;
            gap: 1.4rem;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: nowrap;
        }
        .nav-links-desktop li a {
            color: var(--st-bone);
            font-size: 0.84rem;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            font-weight: 500;
            padding: 0.4rem 0;
            border-bottom: 1px solid transparent;
            transition: var(--st-transition);
            white-space: nowrap;
            display: inline-block;
        }
        .nav-links-desktop li a:hover,
        .nav-links-desktop li a.active {
            color: var(--st-copper);
            border-bottom-color: var(--st-copper);
        }
        .navbar-toggler-st {
            background-color: transparent;
            border: 1px solid var(--st-line);
            color: var(--st-bone);
            border-radius: var(--st-radius-sm);
            padding: 0.35rem 0.7rem;
            font-size: 1.2rem;
            line-height: 1;
        }
        .navbar-toggler-st:hover,
        .navbar-toggler-st:focus {
            background-color: var(--st-copper);
            border-color: var(--st-copper);
            color: #fff;
        }
        .mobile-menu-collapse {
            background-color: var(--st-black);
            color: var(--st-bone);
            border-top: 1px solid var(--st-line);
            padding: 1rem 0;
        }
        .mobile-menu-collapse a {
            display: block;
            color: var(--st-bone);
            padding: 0.5rem 1rem;
            font-size: 0.95rem;
            border-left: 2px solid transparent;
        }
        .mobile-menu-collapse a:hover,
        .mobile-menu-collapse a.active {
            color: var(--st-copper);
            border-left-color: var(--st-copper);
            background-color: rgba(180, 106, 60, 0.08);
        }

        /* 面包屑 */
        .breadcrumb-st {
            background-color: transparent;
            margin-bottom: 0;
            padding: 0;
            font-size: 0.85rem;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.4rem;
        }
        .breadcrumb-st a {
            color: var(--st-blue-gray);
        }
        .breadcrumb-st a:hover {
            color: var(--st-copper);
        }
        .breadcrumb-st .separator {
            color: var(--st-line);
            margin: 0 0.2rem;
        }
        .breadcrumb-st .current {
            color: var(--st-copper);
            font-weight: 500;
        }

        /* 页面标题区域 */
        .page-header-st {
            background-color: var(--st-bone);
            padding: 3rem 0 2rem;
            border-bottom: 1px solid var(--st-line);
        }
        .page-header-st h1 {
            font-size: 2.2rem;
            margin-bottom: 0.75rem;
        }
        .page-header-st .page-lead {
            font-size: 1.05rem;
            color: var(--st-blue-gray);
            max-width: 760px;
            line-height: 1.8;
        }

        /* 支持卡片 */
        .support-card {
            background-color: var(--st-white);
            border: 1px solid var(--st-line);
            border-radius: var(--st-radius-sm);
            padding: 1.75rem 1.5rem;
            height: 100%;
            transition: var(--st-transition);
            box-shadow: var(--st-shadow-sm);
        }
        .support-card:hover {
            border-color: var(--st-copper);
            box-shadow: var(--st-shadow-md);
            transform: translateY(-2px);
        }
        .support-card .icon-circle {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background-color: rgba(180, 106, 60, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--st-copper);
            font-size: 1.25rem;
            margin-bottom: 1.25rem;
        }
        .support-card h3 {
            font-size: 1.2rem;
            margin-bottom: 0.75rem;
        }
        .support-card p {
            color: var(--st-blue-gray);
            font-size: 0.95rem;
            margin-bottom: 1rem;
        }
        .support-card .support-link {
            font-weight: 600;
            font-size: 0.9rem;
        }

        /* 步骤条 */
        .step-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            margin-top: 2rem;
        }
        .step-item {
            flex: 1 1 200px;
            position: relative;
            padding-left: 2rem;
            border-left: 2px solid var(--st-line);
        }
        .step-item:first-child {
            border-left-color: var(--st-copper);
        }
        .step-item .step-number {
            position: absolute;
            left: -1.1rem;
            top: 0;
            width: 2rem;
            height: 2rem;
            background-color: var(--st-copper);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.9rem;
        }
        .step-item h4 {
            font-size: 1.05rem;
            margin-bottom: 0.4rem;
            padding-top: 0.2rem;
        }
        .step-item p {
            font-size: 0.9rem;
            color: var(--st-blue-gray);
            margin-bottom: 0;
        }

        /* 步骤条横向 */
        .steps-horizontal {
            display: flex;
            flex-wrap: wrap;
            gap: 0;
            margin-top: 1.5rem;
            counter-reset: step;
        }
        .steps-horizontal .step-h {
            flex: 1 1 180px;
            padding: 1.25rem 1rem;
            border-top: 3px solid var(--st-line);
            position: relative;
            margin-right: 1rem;
            counter-increment: step;
        }
        .steps-horizontal .step-h:last-child {
            margin-right: 0;
        }
        .steps-horizontal .step-h::before {
            content: counter(step, decimal-leading-zero);
            font-family: var(--st-font-serif);
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--st-copper);
            display: block;
            margin-bottom: 0.5rem;
        }
        .steps-horizontal .step-h h4 {
            font-size: 1rem;
            margin-bottom: 0.35rem;
        }
        .steps-horizontal .step-h p {
            font-size: 0.85rem;
            color: var(--st-blue-gray);
            margin-bottom: 0;
        }

        /* FAQ手风琴 */
        .accordion-st .accordion-item {
            border: 1px solid var(--st-line);
            border-radius: var(--st-radius-sm) !important;
            margin-bottom: 0.75rem;
            background-color: var(--st-white);
            overflow: hidden;
            box-shadow: var(--st-shadow-sm);
        }
        .accordion-st .accordion-header {
            margin: 0;
        }
        .accordion-st .accordion-button {
            background-color: var(--st-white);
            color: var(--st-black);
            font-family: var(--st-font-serif);
            font-weight: 600;
            font-size: 1rem;
            padding: 1.1rem 1.5rem;
            border: none;
            box-shadow: none;
            border-radius: var(--st-radius-sm) !important;
            transition: var(--st-transition);
            width: 100%;
            text-align: left;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .accordion-st .accordion-button:not(.collapsed) {
            background-color: var(--st-off-white);
            color: var(--st-copper);
            box-shadow: none;
        }
        .accordion-st .accordion-button::after {
            flex-shrink: 0;
            width: 1.2rem;
            height: 1.2rem;
            background-image: none;
            content: "\f078";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            color: var(--st-copper);
            font-size: 0.85rem;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: transform 0.3s ease;
        }
        .accordion-st .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
        }
        .accordion-st .accordion-body {
            padding: 1rem 1.5rem 1.5rem;
            color: var(--st-blue-gray);
            font-size: 0.95rem;
            line-height: 1.8;
            border-top: 1px solid var(--st-line);
        }

        /* 资源卡片 */
        .resource-card {
            background-color: var(--st-white);
            border: 1px solid var(--st-line);
            border-radius: var(--st-radius-sm);
            padding: 1.5rem;
            height: 100%;
            display: flex;
            flex-direction: column;
            transition: var(--st-transition);
            box-shadow: var(--st-shadow-sm);
        }
        .resource-card:hover {
            border-color: var(--st-copper);
            box-shadow: var(--st-shadow-md);
            transform: translateY(-2px);
        }
        .resource-card .resource-type {
            font-size: 0.75rem;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--st-copper);
            font-weight: 600;
            margin-bottom: 0.75rem;
        }
        .resource-card h3 {
            font-size: 1.1rem;
            margin-bottom: 0.6rem;
        }
        .resource-card p {
            font-size: 0.9rem;
            color: var(--st-blue-gray);
            flex-grow: 1;
        }

        /* 表单 */
        .form-st .form-label {
            font-weight: 600;
            font-size: 0.9rem;
            margin-bottom: 0.4rem;
            color: var(--st-black);
        }
        .form-st .form-control {
            background-color: var(--st-bone);
            border: 1px solid var(--st-line);
            border-radius: var(--st-radius-sm);
            padding: 0.7rem 0.9rem;
            font-size: 0.95rem;
            color: var(--st-black);
            transition: var(--st-transition);
        }
        .form-st .form-control:focus {
            border-color: var(--st-copper);
            box-shadow: 0 0 0 2px rgba(180, 106, 60, 0.15);
            background-color: #fff;
        }
        .form-st .form-select {
            background-color: var(--st-bone);
            border: 1px solid var(--st-line);
            border-radius: var(--st-radius-sm);
            padding: 0.7rem 2.2rem 0.7rem 0.9rem;
            font-size: 0.95rem;
            color: var(--st-black);
            transition: var(--st-transition);
            background-image: none;
            appearance: none;
            -webkit-appearance: none;
            -moz-appearance: none;
            position: relative;
        }
        .form-st .form-select:focus {
            border-color: var(--st-copper);
            box-shadow: 0 0 0 2px rgba(180, 106, 60, 0.15);
            background-color: #fff;
        }
        .form-st textarea.form-control {
            min-height: 120px;
            resize: vertical;
        }

        /* 保障横条 */
        .guarantee-strip {
            background-color: var(--st-black);
            color: var(--st-bone);
            padding: 2rem 0;
        }
        .guarantee-strip .guarantee-item {
            display: flex;
            align-items: flex-start;
            gap: 0.75rem;
        }
        .guarantee-strip .guarantee-item i {
            color: var(--st-copper);
            font-size: 1.3rem;
            flex-shrink: 0;
            margin-top: 0.2rem;
        }
        .guarantee-strip .guarantee-item h4 {
            font-size: 0.95rem;
            color: #fff;
            margin-bottom: 0.25rem;
        }
        .guarantee-strip .guarantee-item p {
            font-size: 0.85rem;
            color: rgba(245, 242, 234, 0.75);
            margin-bottom: 0;
        }

        /* 页脚 */
        .footer-st {
            background-color: var(--st-black);
            color: var(--st-bone);
            padding: 4rem 0 2rem;
            border-top: 2px solid var(--st-copper);
        }
        .footer-brand {
            font-family: var(--st-font-serif);
            font-size: 1.6rem;
            font-weight: 700;
            color: #fff;
        }
        .footer-st h5 {
            font-size: 0.95rem;
            color: #fff;
            margin-bottom: 1rem;
            letter-spacing: 0.04em;
        }
        .footer-st ul li a {
            color: rgba(245, 242, 234, 0.7);
            font-size: 0.9rem;
            transition: var(--st-transition);
        }
        .footer-st ul li a:hover {
            color: var(--st-copper);
        }
        .footer-st ul li {
            color: rgba(245, 242, 234, 0.7);
            font-size: 0.9rem;
        }
        .footer-st ul li i {
            color: var(--st-copper);
        }
        .footer-divider {
            border-top: 1px solid rgba(245, 242, 234, 0.15);
            margin: 2rem 0 1.5rem;
        }
        .footer-st .social-icons a {
            color: rgba(245, 242, 234, 0.7);
            font-size: 1.1rem;
            transition: var(--st-transition);
        }
        .footer-st .social-icons a:hover {
            color: var(--st-copper);
        }

        /* 响应式 */
        @media (max-width: 991px) {
            .navbar-magazine .container {
                flex-wrap: nowrap;
            }
            .nav-links-desktop {
                display: none !important;
            }
            .nav-divider {
                display: none !important;
            }
            .navbar-brand-st {
                font-size: 1.5rem;
            }
            .page-header-st h1 {
                font-size: 1.8rem;
            }
            .section {
                padding: 56px 0;
            }
            .steps-horizontal .step-h {
                flex: 1 1 45%;
                margin-right: 0.5rem;
                margin-bottom: 1rem;
            }
            .step-bar {
                gap: 1rem;
            }
        }
        @media (max-width: 767px) {
            .page-header-st {
                padding: 2rem 0 1.5rem;
            }
            .page-header-st h1 {
                font-size: 1.6rem;
            }
            .support-card {
                padding: 1.25rem 1rem;
            }
            .steps-horizontal .step-h {
                flex: 1 1 100%;
                margin-right: 0;
                margin-bottom: 0.5rem;
            }
            .footer-st {
                padding: 3rem 0 1.5rem;
            }
            .footer-st .row>div {
                margin-bottom: 1.5rem;
            }
            .guarantee-strip .guarantee-item {
                margin-bottom: 1.25rem;
            }
            .guarantee-strip .guarantee-item:last-child {
                margin-bottom: 0;
            }
        }
        @media (max-width: 520px) {
            .navbar-brand-st {
                font-size: 1.3rem;
            }
            .page-header-st h1 {
                font-size: 1.4rem;
            }
            .btn-st-primary,
            .btn-st-outline,
            .btn-st-dark {
                padding: 0.6rem 1.2rem;
                font-size: 0.85rem;
            }
            .accordion-st .accordion-button {
                font-size: 0.9rem;
                padding: 0.9rem 1rem;
            }
            .accordion-st .accordion-body {
                padding: 0.8rem 1rem 1.2rem;
                font-size: 0.88rem;
            }
            .section {
                padding: 44px 0;
            }
        }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}