/* roulang page: index */
:root {
      --primary-color: #ff3366;
      --primary-dark: #e02456;
      --accent-color: #6366f1;
      --accent-gradient: linear-gradient(135deg, #ff3366 0%, #ff6b4a 50%, #7928ca 100%);
      --bg-dark: #0f1015;
      --bg-card: #171923;
      --bg-card-hover: #1f2230;
      --bg-surface: #12141c;
      --border-color: rgba(255, 255, 255, 0.08);
      --border-focus: rgba(255, 51, 102, 0.4);
      --text-main: #f8fafc;
      --text-muted: #94a3b8;
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 22px;
      --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.3);
      --shadow-lg: 0 16px 36px rgba(0, 0, 0, 0.5);
      --shadow-primary: 0 8px 24px rgba(255, 51, 102, 0.35);
      --transition-base: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    }
    * { box-sizing: border-box; margin: 0; padding: 0; }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-dark);
      color: var(--text-main);
      line-height: 1.7;
      overflow-x: hidden;
    }
    a { color: inherit; text-decoration: none; transition: var(--transition-base); }
    a:hover { color: var(--primary-color); }
    img { max-width: 100%; height: auto; display: block; }
    
    .site-navbar {
      background: rgba(15, 16, 21, 0.88);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--border-color);
      position: sticky;
      top: 0;
      z-index: 1000;
    }
    .navbar-brand-logo {
      font-size: 1.35rem;
      font-weight: 800;
      background: var(--accent-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      letter-spacing: -0.5px;
    }
    .nav-link-custom {
      color: var(--text-muted);
      font-weight: 500;
      padding: 0.5rem 1rem;
      border-radius: var(--radius-sm);
    }
    .nav-link-custom:hover, .nav-link-custom.active {
      color: #fff;
      background: rgba(255, 255, 255, 0.05);
    }
    .nav-link-custom.active {
      color: var(--primary-color);
      font-weight: 600;
    }
    .btn-gradient-primary {
      background: var(--accent-gradient);
      color: #fff;
      font-weight: 600;
      border: none;
      padding: 0.65rem 1.6rem;
      border-radius: 50px;
      box-shadow: var(--shadow-primary);
      transition: var(--transition-base);
    }
    .btn-gradient-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 28px rgba(255, 51, 102, 0.5);
      color: #fff;
    }
    .btn-outline-glass {
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid rgba(255, 255, 255, 0.15);
      color: var(--text-main);
      font-weight: 600;
      padding: 0.65rem 1.6rem;
      border-radius: 50px;
      transition: var(--transition-base);
    }
    .btn-outline-glass:hover {
      background: rgba(255, 255, 255, 0.12);
      border-color: rgba(255, 255, 255, 0.3);
      color: #fff;
    }

    .hero-section {
      position: relative;
      padding: 5rem 0 4rem;
      background-image: radial-gradient(circle at 80% 20%, rgba(121, 40, 202, 0.25) 0%, transparent 60%),
                        radial-gradient(circle at 20% 80%, rgba(255, 51, 102, 0.2) 0%, transparent 60%),
                        url('/assets/images/1e597d685a56660c.webp');
      background-size: cover;
      background-position: center;
      background-blend-mode: overlay;
      border-bottom: 1px solid var(--border-color);
    }
    .hero-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(15, 16, 21, 0.75) 0%, rgba(15, 16, 21, 0.95) 100%);
      z-index: 1;
    }
    .hero-content { position: relative; z-index: 2; }
    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      background: rgba(255, 51, 102, 0.15);
      color: #ff6b8b;
      border: 1px solid rgba(255, 51, 102, 0.3);
      padding: 0.35rem 0.9rem;
      border-radius: 50px;
      font-size: 0.85rem;
      font-weight: 600;
      margin-bottom: 1.5rem;
    }
    .hero-title {
      font-size: clamp(2.2rem, 5vw, 3.4rem);
      font-weight: 900;
      line-height: 1.25;
      margin-bottom: 1.25rem;
      letter-spacing: -0.02em;
    }
    .hero-desc {
      color: #cbd5e1;
      font-size: 1.05rem;
      line-height: 1.8;
      margin-bottom: 2rem;
    }

    .quiz-card {
      background: rgba(23, 25, 35, 0.85);
      backdrop-filter: blur(20px);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: var(--radius-lg);
      padding: 2rem;
      box-shadow: var(--shadow-lg);
    }
    .quiz-option {
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 0.85rem 1rem;
      cursor: pointer;
      transition: var(--transition-base);
      margin-bottom: 0.75rem;
    }
    .quiz-option:hover, .quiz-option.selected {
      background: rgba(255, 51, 102, 0.12);
      border-color: var(--primary-color);
      transform: translateX(4px);
    }

    .section-block {
      padding: 5rem 0;
      position: relative;
    }
    .section-block-alt {
      background-color: var(--bg-surface);
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }
    .section-header {
      margin-bottom: 3.5rem;
    }
    .section-tag {
      font-size: 0.85rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 1px;
      color: var(--primary-color);
      margin-bottom: 0.5rem;
      display: inline-block;
    }
    .section-title {
      font-size: clamp(1.8rem, 3.5vw, 2.4rem);
      font-weight: 800;
      letter-spacing: -0.5px;
      margin-bottom: 1rem;
    }
    .section-subtitle {
      color: var(--text-muted);
      font-size: 1rem;
      max-width: 680px;
      margin: 0 auto;
    }

    .card-custom {
      background-color: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 1.8rem;
      height: 100%;
      transition: var(--transition-base);
      position: relative;
      overflow: hidden;
    }
    .card-custom:hover {
      background-color: var(--bg-card-hover);
      border-color: rgba(255, 255, 255, 0.2);
      transform: translateY(-6px);
      box-shadow: var(--shadow-lg);
    }
    .card-icon-wrap {
      width: 54px;
      height: 54px;
      border-radius: var(--radius-md);
      background: rgba(255, 51, 102, 0.12);
      color: var(--primary-color);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.6rem;
      margin-bottom: 1.25rem;
    }

    .metric-badge {
      display: inline-block;
      font-size: 0.8rem;
      font-weight: 700;
      color: #38bdf8;
      background: rgba(56, 189, 248, 0.12);
      border: 1px solid rgba(56, 189, 248, 0.25);
      padding: 0.25rem 0.65rem;
      border-radius: 30px;
      margin-bottom: 0.75rem;
    }
    .metric-number {
      font-size: 2.8rem;
      font-weight: 900;
      background: var(--accent-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      line-height: 1.1;
      margin-bottom: 0.5rem;
    }

    .pain-badge {
      background: rgba(239, 68, 68, 0.15);
      color: #f87171;
      border: 1px solid rgba(239, 68, 68, 0.3);
      padding: 0.2rem 0.6rem;
      font-size: 0.8rem;
      font-weight: 700;
      border-radius: 4px;
    }
    .solution-badge {
      background: rgba(16, 185, 129, 0.15);
      color: #34d399;
      border: 1px solid rgba(16, 185, 129, 0.3);
      padding: 0.2rem 0.6rem;
      font-size: 0.8rem;
      font-weight: 700;
      border-radius: 4px;
    }

    .compare-table {
      width: 100%;
      border-collapse: separate;
      border-spacing: 0;
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border-color);
      background: var(--bg-card);
    }
    .compare-table th, .compare-table td {
      padding: 1.2rem 1.5rem;
      border-bottom: 1px solid var(--border-color);
    }
    .compare-table th {
      background: rgba(255, 255, 255, 0.03);
      font-weight: 700;
      color: #fff;
    }
    .compare-table tr:last-child td { border-bottom: none; }
    .compare-table .highlight-col {
      background: rgba(255, 51, 102, 0.05);
      border-left: 1px solid rgba(255, 51, 102, 0.2);
      border-right: 1px solid rgba(255, 51, 102, 0.2);
      font-weight: 600;
      color: #ff6b8b;
    }

    .comic-cover-img {
      border-radius: var(--radius-md);
      aspect-ratio: 3/4;
      object-fit: cover;
      transition: var(--transition-base);
    }
    .card-custom:hover .comic-cover-img {
      transform: scale(1.03);
    }

    .pricing-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 2.2rem;
      position: relative;
      transition: var(--transition-base);
    }
    .pricing-card.featured {
      background: linear-gradient(180deg, rgba(255, 51, 102, 0.12) 0%, rgba(23, 25, 35, 0.95) 100%);
      border: 2px solid var(--primary-color);
      transform: scale(1.03);
      box-shadow: var(--shadow-primary);
    }
    .featured-tag {
      position: absolute;
      top: -14px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--accent-gradient);
      color: #fff;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 0.3rem 1rem;
      border-radius: 50px;
    }

    .faq-accordion-item {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      margin-bottom: 1rem;
      overflow: hidden;
    }
    .faq-btn {
      width: 100%;
      text-align: left;
      background: transparent;
      border: none;
      padding: 1.25rem 1.5rem;
      color: #fff;
      font-weight: 600;
      font-size: 1.05rem;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .faq-body {
      padding: 0 1.5rem 1.25rem;
      color: var(--text-muted);
      line-height: 1.8;
      font-size: 0.95rem;
    }

    .site-footer {
      background: #090a0d;
      border-top: 1px solid var(--border-color);
      padding: 4.5rem 0 2rem;
      color: var(--text-muted);
    }
    .footer-logo {
      font-size: 1.3rem;
      font-weight: 800;
      color: #fff;
      margin-bottom: 1rem;
    }
    .footer-links-list { list-style: none; padding: 0; }
    .footer-links-list li { margin-bottom: 0.6rem; }
    .footer-links-list a { color: var(--text-muted); font-size: 0.95rem; }
    .footer-links-list a:hover { color: var(--primary-color); }
    
    @media (max-width: 991px) {
      .hero-section { padding: 3.5rem 0; }
      .pricing-card.featured { transform: none; margin-top: 1.5rem; }
      .compare-table { display: block; overflow-x: auto; }
    }

/* roulang page: category1 */
:root {
      --primary-color: #ff3366;
      --primary-dark: #e02456;
      --accent-color: #6366f1;
      --accent-gradient: linear-gradient(135deg, #ff3366 0%, #ff6b4a 50%, #7928ca 100%);
      --bg-dark: #0f1015;
      --bg-card: #171923;
      --bg-card-hover: #1f2230;
      --bg-surface: #12141c;
      --border-color: rgba(255, 255, 255, 0.08);
      --border-focus: rgba(255, 51, 102, 0.4);
      --text-main: #f8fafc;
      --text-muted: #94a3b8;
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 22px;
      --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.3);
      --shadow-lg: 0 16px 36px rgba(0, 0, 0, 0.5);
      --shadow-primary: 0 8px 24px rgba(255, 51, 102, 0.35);
      --transition-base: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-dark);
      color: var(--text-main);
      line-height: 1.7;
      overflow-x: hidden;
    }
    a { color: inherit; text-decoration: none; transition: var(--transition-base); }
    a:hover { color: var(--primary-color); }
    img { max-width: 100%; height: auto; display: block; }
    
    .site-navbar {
      background: rgba(15, 16, 21, 0.88);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--border-color);
      position: sticky;
      top: 0;
      z-index: 1000;
    }
    .navbar-brand-logo {
      font-size: 1.35rem;
      font-weight: 800;
      background: var(--accent-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      letter-spacing: -0.5px;
    }
    .nav-link-custom {
      color: var(--text-muted);
      font-weight: 500;
      padding: 0.5rem 1rem;
      border-radius: var(--radius-sm);
    }
    .nav-link-custom:hover, .nav-link-custom.active {
      color: #fff;
      background: rgba(255, 255, 255, 0.05);
    }
    .nav-link-custom.active {
      color: var(--primary-color);
      font-weight: 600;
    }
    .btn-gradient-primary {
      background: var(--accent-gradient);
      color: #fff;
      font-weight: 600;
      border: none;
      padding: 0.65rem 1.6rem;
      border-radius: 50px;
      box-shadow: var(--shadow-primary);
      transition: var(--transition-base);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 0.5rem;
    }
    .btn-gradient-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 28px rgba(255, 51, 102, 0.5);
      color: #fff;
    }
    .btn-outline-glass {
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid rgba(255, 255, 255, 0.15);
      color: var(--text-main);
      font-weight: 600;
      padding: 0.65rem 1.6rem;
      border-radius: 50px;
      transition: var(--transition-base);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 0.5rem;
    }
    .btn-outline-glass:hover {
      background: rgba(255, 255, 255, 0.12);
      border-color: rgba(255, 255, 255, 0.3);
      color: #fff;
    }

    /* Hero 参数仪表首屏 */
    .param-hero {
      position: relative;
      padding: 4.5rem 0 3.5rem;
      background: radial-gradient(circle at 85% 15%, rgba(121, 40, 202, 0.22) 0%, transparent 50%),
                  radial-gradient(circle at 10% 85%, rgba(255, 51, 102, 0.18) 0%, transparent 45%),
                  #0f1015;
      border-bottom: 1px solid var(--border-color);
    }
    .param-spec-bar {
      background: rgba(23, 25, 35, 0.7);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 1.25rem 1.5rem;
      backdrop-filter: blur(12px);
    }
    .spec-item {
      border-right: 1px solid rgba(255, 255, 255, 0.08);
      padding: 0 1.25rem;
    }
    .spec-item:last-child {
      border-right: none;
    }
    .spec-val {
      font-size: 1.7rem;
      font-weight: 800;
      color: #fff;
      line-height: 1.2;
      font-variant-numeric: tabular-nums;
    }
    .spec-label {
      font-size: 0.82rem;
      color: var(--text-muted);
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

    /* 板块通用 */
    .section-wrap {
      padding: 4.5rem 0;
      position: relative;
    }
    .section-wrap-alt {
      background-color: var(--bg-surface);
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }
    .badge-soft {
      display: inline-flex;
      align-items: center;
      gap: 0.35rem;
      padding: 0.35rem 0.85rem;
      border-radius: 50px;
      font-size: 0.8rem;
      font-weight: 600;
      background: rgba(255, 51, 102, 0.12);
      color: #ff6b8b;
      border: 1px solid rgba(255, 51, 102, 0.25);
    }
    .badge-accent {
      background: rgba(99, 102, 241, 0.15);
      color: #a5b4fc;
      border: 1px solid rgba(99, 102, 241, 0.3);
    }
    .badge-cyan {
      background: rgba(56, 189, 248, 0.12);
      color: #38bdf8;
      border: 1px solid rgba(56, 189, 248, 0.25);
    }
    .section-heading-tag {
      font-size: 0.85rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 1.5px;
      color: var(--primary-color);
      margin-bottom: 0.5rem;
      display: block;
    }
    .section-heading-title {
      font-size: clamp(1.75rem, 3.2vw, 2.3rem);
      font-weight: 800;
      letter-spacing: -0.5px;
      margin-bottom: 0.85rem;
    }
    .section-heading-desc {
      color: var(--text-muted);
      font-size: 0.98rem;
      max-width: 640px;
    }

    /* 卡片体系 */
    .card-modern {
      background-color: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 1.75rem;
      transition: var(--transition-base);
      height: 100%;
      display: flex;
      flex-direction: column;
    }
    .card-modern:hover {
      background-color: var(--bg-card-hover);
      border-color: rgba(255, 255, 255, 0.18);
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
    }
    .comic-poster-wrap {
      position: relative;
      border-radius: var(--radius-md);
      overflow: hidden;
      aspect-ratio: 16/10;
      margin-bottom: 1.25rem;
      background: #08090d;
    }
    .comic-poster-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    .card-modern:hover .comic-poster-wrap img {
      transform: scale(1.04);
    }
    .poster-tag {
      position: absolute;
      top: 10px;
      left: 10px;
      font-size: 0.75rem;
      padding: 0.2rem 0.6rem;
      border-radius: 4px;
      background: rgba(15, 16, 21, 0.85);
      backdrop-filter: blur(8px);
      color: #fff;
      font-weight: 600;
      border: 1px solid rgba(255, 255, 255, 0.15);
    }
    .poster-update {
      position: absolute;
      bottom: 10px;
      right: 10px;
      font-size: 0.75rem;
      padding: 0.2rem 0.6rem;
      border-radius: 4px;
      background: var(--primary-dark);
      color: #fff;
      font-weight: 600;
    }

    /* 对比表格面板 */
    .compare-panel {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      overflow: hidden;
    }
    .compare-table {
      width: 100%;
      margin-bottom: 0;
      color: var(--text-main);
    }
    .compare-table th, .compare-table td {
      padding: 1.15rem 1.25rem;
      border-bottom: 1px solid var(--border-color);
      vertical-align: middle;
    }
    .compare-table th {
      background: rgba(255, 255, 255, 0.02);
      font-weight: 700;
      font-size: 0.92rem;
    }
    .compare-table tr:last-child td {
      border-bottom: none;
    }
    .compare-highlight {
      background: rgba(255, 51, 102, 0.05);
      font-weight: 600;
      color: #ff85a1;
    }

    /* 里程碑步进流 */
    .milestone-timeline {
      position: relative;
      padding-left: 2rem;
    }
    .milestone-timeline::before {
      content: '';
      position: absolute;
      left: 7px;
      top: 10px;
      bottom: 10px;
      width: 2px;
      background: linear-gradient(180deg, var(--primary-color) 0%, var(--accent-color) 100%);
      opacity: 0.4;
    }
    .milestone-node {
      position: relative;
      margin-bottom: 2rem;
    }
    .milestone-node:last-child {
      margin-bottom: 0;
    }
    .milestone-dot {
      position: absolute;
      left: -2rem;
      top: 6px;
      width: 16px;
      height: 16px;
      border-radius: 50%;
      background: var(--bg-dark);
      border: 3px solid var(--primary-color);
      box-shadow: 0 0 10px rgba(255, 51, 102, 0.5);
    }

    /* FAQ 手风琴 */
    .accordion-custom .accordion-item {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md) !important;
      margin-bottom: 1rem;
      overflow: hidden;
    }
    .accordion-custom .accordion-button {
      background: var(--bg-card);
      color: var(--text-main);
      font-weight: 600;
      font-size: 1.05rem;
      padding: 1.25rem 1.5rem;
      box-shadow: none;
    }
    .accordion-custom .accordion-button:not(.collapsed) {
      color: var(--primary-color);
      background: rgba(255, 255, 255, 0.03);
    }
    .accordion-custom .accordion-button::after {
      filter: invert(1);
    }
    .accordion-custom .accordion-body {
      color: var(--text-muted);
      padding: 0 1.5rem 1.25rem;
      line-height: 1.8;
      font-size: 0.95rem;
    }

    /* 表单组件 */
    .form-dark {
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid var(--border-color);
      color: #fff;
      padding: 0.85rem 1.15rem;
      border-radius: var(--radius-md);
      transition: var(--transition-base);
    }
    .form-dark:focus {
      background: rgba(255, 255, 255, 0.07);
      border-color: var(--border-focus);
      color: #fff;
      box-shadow: 0 0 0 0.25rem rgba(255, 51, 102, 0.15);
    }
    .form-dark::placeholder {
      color: rgba(255, 255, 255, 0.35);
    }

    /* 页脚 */
    .site-footer {
      background-color: #090a0d;
      border-top: 1px solid var(--border-color);
      padding: 4.5rem 0 2.5rem;
    }
    .brand-logo {
      font-size: 1.25rem;
      font-weight: 800;
      letter-spacing: -0.5px;
    }

    @media (max-width: 991px) {
      .spec-item {
        border-right: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        padding: 0.75rem 0;
      }
      .spec-item:last-child {
        border-bottom: none;
      }
      .param-spec-bar {
        padding: 1rem;
      }
    }

/* roulang page: category2 */
:root {
        --primary-color: #ff3366;
        --primary-dark: #e02456;
        --accent-color: #6366f1;
        --accent-gradient: linear-gradient(135deg, #ff3366 0%, #ff6b4a 50%, #7928ca 100%);
        --bg-dark: #0f1015;
        --bg-card: #171923;
        --bg-card-hover: #1f2230;
        --bg-surface: #12141c;
        --border-color: rgba(255, 255, 255, 0.08);
        --border-focus: rgba(255, 51, 102, 0.4);
        --text-main: #f8fafc;
        --text-muted: #94a3b8;
        --radius-sm: 8px;
        --radius-md: 14px;
        --radius-lg: 22px;
        --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.3);
        --shadow-lg: 0 16px 36px rgba(0, 0, 0, 0.5);
        --shadow-primary: 0 8px 24px rgba(255, 51, 102, 0.35);
        --transition-base: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    }
    body {
        font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
        background-color: var(--bg-dark);
        color: var(--text-main);
        line-height: 1.7;
        overflow-x: hidden;
    }
    a { color: inherit; text-decoration: none; transition: var(--transition-base); }
    a:hover { color: var(--primary-color); }
    img { max-width: 100%; height: auto; display: block; }

    .site-navbar {
        background: rgba(15, 16, 21, 0.88);
        backdrop-filter: blur(16px);
        border-bottom: 1px solid var(--border-color);
        position: sticky;
        top: 0;
        z-index: 1000;
    }
    .navbar-brand-logo {
        font-size: 1.35rem;
        font-weight: 800;
        background: var(--accent-gradient);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        letter-spacing: -0.5px;
    }
    .nav-link-custom {
        color: var(--text-muted);
        font-weight: 500;
        padding: 0.5rem 1rem;
        border-radius: var(--radius-sm);
    }
    .nav-link-custom:hover, .nav-link-custom.active {
        color: #fff;
        background: rgba(255, 255, 255, 0.05);
    }
    .nav-link-custom.active {
        color: var(--primary-color);
        font-weight: 600;
    }
    .btn-gradient-primary {
        background: var(--accent-gradient);
        color: #fff;
        font-weight: 600;
        border: none;
        padding: 0.65rem 1.6rem;
        border-radius: 50px;
        box-shadow: var(--shadow-primary);
        transition: var(--transition-base);
    }
    .btn-gradient-primary:hover {
        transform: translateY(-2px);
        box-shadow: 0 12px 28px rgba(255, 51, 102, 0.5);
        color: #fff;
    }
    .btn-outline-glass {
        background: rgba(255, 255, 255, 0.06);
        border: 1px solid rgba(255, 255, 255, 0.15);
        color: var(--text-main);
        font-weight: 600;
        padding: 0.65rem 1.6rem;
        border-radius: 50px;
        transition: var(--transition-base);
    }
    .btn-outline-glass:hover {
        background: rgba(255, 255, 255, 0.12);
        border-color: rgba(255, 255, 255, 0.3);
        color: #fff;
    }

    /* 内页特有 Hero: 短视频竖屏感主视觉 + 数据驱动指标 */
    .hero-vertical-section {
        position: relative;
        padding: 4.5rem 0 3.5rem;
        background: radial-gradient(circle at 75% 30%, rgba(99, 102, 241, 0.22) 0%, transparent 55%),
                    radial-gradient(circle at 15% 70%, rgba(255, 51, 102, 0.18) 0%, transparent 60%),
                    #0f1015;
        border-bottom: 1px solid var(--border-color);
        overflow: hidden;
    }
    .vertical-phone-mockup {
        width: 100%;
        max-width: 330px;
        margin: 0 auto;
        border-radius: 36px;
        padding: 10px;
        background: linear-gradient(145deg, rgba(255,255,255,0.18), rgba(255,255,255,0.02));
        box-shadow: 0 25px 60px rgba(0,0,0,0.7), 0 0 30px rgba(255,51,102,0.25);
        border: 1px solid rgba(255,255,255,0.15);
        position: relative;
    }
    .vertical-phone-screen {
        border-radius: 28px;
        overflow: hidden;
        position: relative;
        aspect-ratio: 9 / 16;
        background: #000;
    }
    .vertical-phone-screen img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    .vertical-screen-tag {
        position: absolute;
        top: 16px;
        left: 16px;
        background: rgba(0,0,0,0.65);
        backdrop-filter: blur(8px);
        padding: 4px 12px;
        border-radius: 50px;
        font-size: 0.75rem;
        border: 1px solid rgba(255,255,255,0.2);
    }
    .vertical-screen-actions {
        position: absolute;
        bottom: 16px;
        right: 14px;
        display: flex;
        flex-direction: column;
        gap: 14px;
        align-items: center;
    }
    .v-action-btn {
        width: 40px;
        height: 40px;
        border-radius: 50%;
        background: rgba(0,0,0,0.65);
        backdrop-filter: blur(6px);
        color: #fff;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.1rem;
        border: 1px solid rgba(255,255,255,0.15);
        transition: var(--transition-base);
    }
    .v-action-btn:hover {
        background: var(--primary-color);
        color: #fff;
        transform: scale(1.1);
    }

    .section-block {
        padding: 5rem 0;
        position: relative;
    }
    .section-block-alt {
        background-color: var(--bg-surface);
        border-top: 1px solid var(--border-color);
        border-bottom: 1px solid var(--border-color);
    }
    .section-tag {
        font-size: 0.85rem;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 1px;
        color: var(--primary-color);
        margin-bottom: 0.5rem;
        display: inline-block;
    }
    .section-title {
        font-size: clamp(1.8rem, 3.2vw, 2.3rem);
        font-weight: 800;
        letter-spacing: -0.5px;
        margin-bottom: 0.85rem;
    }
    .section-subtitle {
        color: var(--text-muted);
        font-size: 0.98rem;
        max-width: 680px;
    }

    /* 数据指标看板卡片 */
    .metric-card-box {
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-lg);
        padding: 2rem 1.6rem;
        position: relative;
        overflow: hidden;
        transition: var(--transition-base);
    }
    .metric-card-box:hover {
        border-color: rgba(255, 51, 102, 0.4);
        transform: translateY(-5px);
        box-shadow: var(--shadow-lg);
    }
    .metric-number {
        font-size: 2.5rem;
        font-weight: 900;
        line-height: 1;
        background: var(--accent-gradient);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        margin-bottom: 0.6rem;
    }
    .metric-badge-status {
        display: inline-flex;
        align-items: center;
        gap: 0.35rem;
        padding: 0.25rem 0.75rem;
        border-radius: 50px;
        font-size: 0.75rem;
        font-weight: 600;
        background: rgba(34, 197, 94, 0.12);
        color: #4ade80;
        border: 1px solid rgba(34, 197, 94, 0.25);
    }

    /* 服务矩阵大卡 */
    .matrix-card {
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-lg);
        overflow: hidden;
        height: 100%;
        display: flex;
        flex-direction: column;
        transition: var(--transition-base);
    }
    .matrix-card:hover {
        transform: translateY(-6px);
        border-color: rgba(99, 102, 241, 0.4);
        box-shadow: var(--shadow-lg);
    }
    .matrix-card-thumb {
        position: relative;
        height: 220px;
        overflow: hidden;
    }
    .matrix-card-thumb img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
    }
    .matrix-card:hover .matrix-card-thumb img {
        transform: scale(1.08);
    }
    .matrix-card-body {
        padding: 1.6rem;
        flex: 1;
        display: flex;
        flex-direction: column;
    }

    /* 结果对比表格 */
    .compare-table-wrapper {
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-lg);
        overflow: hidden;
        box-shadow: var(--shadow-sm);
    }
    .table-compare {
        width: 100%;
        margin-bottom: 0;
        color: var(--text-main);
        vertical-align: middle;
    }
    .table-compare th {
        background: rgba(255, 255, 255, 0.04);
        padding: 1.2rem 1.4rem;
        font-weight: 700;
        border-bottom: 1px solid var(--border-color);
    }
    .table-compare td {
        padding: 1.2rem 1.4rem;
        border-bottom: 1px solid var(--border-color);
        background: transparent;
    }
    .table-highlight-col {
        background: rgba(255, 51, 102, 0.04) !important;
        border-left: 1px solid rgba(255, 51, 102, 0.2);
        border-right: 1px solid rgba(255, 51, 102, 0.2);
    }

    /* 里程碑时间线 */
    .milestone-timeline {
        position: relative;
        padding-left: 2rem;
    }
    .milestone-timeline::before {
        content: '';
        position: absolute;
        left: 7px;
        top: 8px;
        bottom: 8px;
        width: 2px;
        background: linear-gradient(180deg, var(--primary-color), var(--accent-color));
    }
    .timeline-item {
        position: relative;
        margin-bottom: 2.2rem;
    }
    .timeline-dot {
        position: absolute;
        left: -2rem;
        top: 6px;
        width: 16px;
        height: 16px;
        border-radius: 50%;
        background: var(--primary-color);
        border: 3px solid var(--bg-dark);
        box-shadow: 0 0 10px var(--primary-color);
    }

    /* 资讯列表卡 */
    .news-horizontal-card {
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-md);
        padding: 1.2rem;
        display: flex;
        gap: 1.2rem;
        align-items: center;
        transition: var(--transition-base);
    }
    .news-horizontal-card:hover {
        background: var(--bg-card-hover);
        border-color: rgba(255, 255, 255, 0.2);
        transform: translateX(6px);
    }
    .news-img {
        width: 120px;
        height: 80px;
        border-radius: var(--radius-sm);
        object-fit: cover;
        flex-shrink: 0;
    }

    /* FAQ 手风琴 */
    .accordion-custom .accordion-item {
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        margin-bottom: 0.9rem;
        border-radius: var(--radius-md) !important;
        overflow: hidden;
    }
    .accordion-custom .accordion-button {
        background: transparent;
        color: var(--text-main);
        font-weight: 600;
        padding: 1.25rem 1.5rem;
        box-shadow: none;
    }
    .accordion-custom .accordion-button:not(.collapsed) {
        color: var(--primary-color);
        background: rgba(255, 51, 102, 0.05);
    }
    .accordion-custom .accordion-button::after {
        filter: invert(1);
    }
    .accordion-custom .accordion-body {
        color: var(--text-muted);
        padding: 1rem 1.5rem 1.4rem;
        line-height: 1.8;
    }

    /* 转化表单卡片 */
    .convert-form-box {
        background: linear-gradient(135deg, rgba(23, 25, 35, 0.95), rgba(18, 20, 28, 0.95));
        border: 1px solid rgba(255, 51, 102, 0.3);
        border-radius: var(--radius-lg);
        padding: 2.8rem;
        box-shadow: var(--shadow-lg);
        position: relative;
    }

    .site-footer {
        background: #090a0d;
        border-top: 1px solid var(--border-color);
        padding: 4.5rem 0 2rem;
    }
    .site-footer .brand-logo {
        font-size: 1.25rem;
        font-weight: 800;
    }

/* roulang page: category4 */
:root {
      --primary-color: #ff3366;
      --primary-dark: #e02456;
      --accent-color: #6366f1;
      --accent-gradient: linear-gradient(135deg, #ff3366 0%, #ff6b4a 50%, #7928ca 100%);
      --bg-dark: #0f1015;
      --bg-card: #171923;
      --bg-card-hover: #1f2230;
      --bg-surface: #12141c;
      --border-color: rgba(255, 255, 255, 0.08);
      --border-focus: rgba(255, 51, 102, 0.4);
      --text-main: #f8fafc;
      --text-muted: #94a3b8;
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 22px;
      --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.3);
      --shadow-lg: 0 16px 36px rgba(0, 0, 0, 0.5);
      --shadow-primary: 0 8px 24px rgba(255, 51, 102, 0.35);
      --transition-base: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-dark);
      color: var(--text-main);
      line-height: 1.7;
      overflow-x: hidden;
    }
    a { color: inherit; text-decoration: none; transition: var(--transition-base); }
    a:hover { color: var(--primary-color); }
    img { max-width: 100%; height: auto; display: block; }
    
    .site-navbar {
      background: rgba(15, 16, 21, 0.88);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--border-color);
      position: sticky;
      top: 0;
      z-index: 1000;
    }
    .navbar-brand-logo {
      font-size: 1.35rem;
      font-weight: 800;
      background: var(--accent-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      letter-spacing: -0.5px;
    }
    .nav-link-custom {
      color: var(--text-muted);
      font-weight: 500;
      padding: 0.5rem 1rem;
      border-radius: var(--radius-sm);
    }
    .nav-link-custom:hover, .nav-link-custom.active {
      color: #fff;
      background: rgba(255, 255, 255, 0.05);
    }
    .nav-link-custom.active {
      color: var(--primary-color);
      font-weight: 600;
    }
    .btn-gradient-primary {
      background: var(--accent-gradient);
      color: #fff;
      font-weight: 600;
      border: none;
      padding: 0.65rem 1.6rem;
      border-radius: 50px;
      box-shadow: var(--shadow-primary);
      transition: var(--transition-base);
    }
    .btn-gradient-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 28px rgba(255, 51, 102, 0.5);
      color: #fff;
    }
    .btn-outline-glass {
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid rgba(255, 255, 255, 0.15);
      color: var(--text-main);
      font-weight: 600;
      padding: 0.65rem 1.6rem;
      border-radius: 50px;
      transition: var(--transition-base);
    }
    .btn-outline-glass:hover {
      background: rgba(255, 255, 255, 0.12);
      border-color: rgba(255, 255, 255, 0.3);
      color: #fff;
    }
    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      background: rgba(255, 51, 102, 0.15);
      color: #ff6b8b;
      border: 1px solid rgba(255, 51, 102, 0.3);
      padding: 0.35rem 0.9rem;
      border-radius: 50px;
      font-size: 0.85rem;
      font-weight: 600;
      margin-bottom: 1.5rem;
    }

    /* 斜切色块首屏定制 */
    .hero-skew-section {
      position: relative;
      padding: 6rem 0 5.5rem;
      overflow: hidden;
      background: #0b0c10;
      border-bottom: 1px solid var(--border-color);
    }
    .hero-skew-bg {
      position: absolute;
      top: -25%;
      left: -10%;
      width: 120%;
      height: 140%;
      background: linear-gradient(115deg, rgba(255, 51, 102, 0.28) 0%, rgba(99, 102, 241, 0.2) 45%, rgba(15, 16, 21, 0.98) 85%),
                  url('/assets/images/8742ddb989c612e9.jpg') center/cover no-repeat;
      transform: skewY(-3.5deg);
      z-index: 1;
      opacity: 0.85;
      filter: saturate(1.1);
    }
    .hero-skew-content {
      position: relative;
      z-index: 2;
    }
    .hero-main-title {
      font-size: clamp(2.3rem, 5vw, 3.6rem);
      font-weight: 900;
      line-height: 1.22;
      letter-spacing: -0.02em;
      margin-bottom: 1.25rem;
      text-shadow: 0 4px 18px rgba(0, 0, 0, 0.6);
    }
    .hero-main-desc {
      font-size: 1.1rem;
      color: #e2e8f0;
      max-width: 760px;
      line-height: 1.85;
      margin-bottom: 2rem;
    }

    .section-block {
      padding: 5rem 0;
      position: relative;
    }
    .section-block-alt {
      background-color: var(--bg-surface);
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }
    .section-tag {
      font-size: 0.85rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 1px;
      color: var(--primary-color);
      margin-bottom: 0.5rem;
      display: inline-block;
    }
    .section-title {
      font-size: clamp(1.8rem, 3.5vw, 2.4rem);
      font-weight: 800;
      letter-spacing: -0.5px;
      margin-bottom: 1rem;
    }
    .section-subtitle {
      color: var(--text-muted);
      font-size: 1rem;
      max-width: 680px;
    }

    /* 圆角大卡与数据徽章 */
    .card-custom {
      background-color: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 2rem;
      height: 100%;
      transition: var(--transition-base);
      position: relative;
      overflow: hidden;
    }
    .card-custom:hover {
      background-color: var(--bg-card-hover);
      border-color: rgba(255, 255, 255, 0.22);
      transform: translateY(-5px);
      box-shadow: var(--shadow-lg);
    }
    .stat-number {
      font-size: 2.5rem;
      font-weight: 900;
      line-height: 1;
      background: var(--accent-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      margin-bottom: 0.5rem;
    }
    .data-badge-pill {
      display: inline-flex;
      align-items: center;
      gap: 0.4rem;
      font-size: 0.78rem;
      font-weight: 700;
      color: #38bdf8;
      background: rgba(56, 189, 248, 0.12);
      border: 1px solid rgba(56, 189, 248, 0.25);
      padding: 0.25rem 0.75rem;
      border-radius: 50px;
    }
    .data-badge-pill.warning {
      color: #f59e0b;
      background: rgba(245, 158, 11, 0.12);
      border-color: rgba(245, 158, 11, 0.25);
    }
    .data-badge-pill.success {
      color: #10b981;
      background: rgba(16, 185, 129, 0.12);
      border-color: rgba(16, 185, 129, 0.25);
    }

    /* 对比表格面板 */
    .compare-panel {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      overflow: hidden;
    }
    .compare-header {
      background: rgba(255, 255, 255, 0.02);
      border-bottom: 1px solid var(--border-color);
      padding: 1.25rem 1.5rem;
    }
    .compare-row {
      padding: 1.25rem 1.5rem;
      border-bottom: 1px solid var(--border-color);
      display: flex;
      align-items: center;
      transition: var(--transition-base);
    }
    .compare-row:last-child {
      border-bottom: none;
    }
    .compare-row:hover {
      background: rgba(255, 255, 255, 0.02);
    }

    /* 发展里程碑流 */
    .milestone-track {
      position: relative;
      padding-left: 2rem;
    }
    .milestone-track::before {
      content: "";
      position: absolute;
      left: 7px;
      top: 10px;
      bottom: 10px;
      width: 2px;
      background: linear-gradient(180deg, var(--primary-color) 0%, var(--accent-color) 100%);
    }
    .milestone-item {
      position: relative;
      margin-bottom: 2.2rem;
    }
    .milestone-dot {
      position: absolute;
      left: -2rem;
      top: 5px;
      width: 16px;
      height: 16px;
      border-radius: 50%;
      background: var(--primary-color);
      box-shadow: 0 0 12px var(--primary-color);
    }

    /* 资讯热榜列表 */
    .news-media-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 1rem;
      transition: var(--transition-base);
      display: flex;
      gap: 1.25rem;
      align-items: center;
    }
    .news-media-card:hover {
      border-color: rgba(255, 51, 102, 0.4);
      background: var(--bg-card-hover);
      transform: translateX(4px);
    }
    .news-thumb {
      width: 110px;
      height: 80px;
      border-radius: var(--radius-sm);
      object-fit: cover;
      flex-shrink: 0;
    }

    /* FAQ 手风琴重构 */
    .accordion-item-custom {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md) !important;
      margin-bottom: 1rem;
      overflow: hidden;
    }
    .accordion-button-custom {
      background: transparent;
      color: var(--text-main);
      font-weight: 700;
      padding: 1.25rem 1.5rem;
      box-shadow: none !important;
    }
    .accordion-button-custom:not(.collapsed) {
      color: var(--primary-color);
      background: rgba(255, 51, 102, 0.05);
    }
    .accordion-button-custom::after {
      filter: invert(1);
    }

    /* 转化表单 */
    .join-form-wrapper {
      background: radial-gradient(circle at top right, rgba(99, 102, 241, 0.15) 0%, transparent 60%),
                  radial-gradient(circle at bottom left, rgba(255, 51, 102, 0.15) 0%, transparent 60%),
                  var(--bg-card);
      border: 1px solid rgba(255, 51, 102, 0.3);
      border-radius: var(--radius-lg);
      padding: 3rem 2.5rem;
      box-shadow: var(--shadow-lg);
    }
    .form-control-custom {
      background: rgba(15, 16, 21, 0.7);
      border: 1px solid rgba(255, 255, 255, 0.15);
      color: #fff;
      padding: 0.8rem 1.2rem;
      border-radius: var(--radius-sm);
    }
    .form-control-custom:focus {
      background: rgba(15, 16, 21, 0.95);
      border-color: var(--primary-color);
      color: #fff;
      box-shadow: 0 0 0 3px rgba(255, 51, 102, 0.25);
    }

    /* 页脚 */
    .site-footer {
      background: #090a0d;
      border-top: 1px solid var(--border-color);
      padding: 4.5rem 0 2rem;
    }
    .brand-logo {
      font-size: 1.35rem;
      font-weight: 800;
    }

    @media (max-width: 991.98px) {
      .hero-skew-section { padding: 4.5rem 0 3.5rem; }
      .section-block { padding: 3.5rem 0; }
      .join-form-wrapper { padding: 2rem 1.5rem; }
    }

/* roulang page: category3 */
:root {
            --primary-color: #ff3366;
            --primary-dark: #e02456;
            --accent-color: #6366f1;
            --accent-gradient: linear-gradient(135deg, #ff3366 0%, #ff6b4a 50%, #7928ca 100%);
            --bg-dark: #0f1015;
            --bg-card: #171923;
            --bg-card-hover: #1f2230;
            --bg-surface: #12141c;
            --border-color: rgba(255, 255, 255, 0.08);
            --border-focus: rgba(255, 51, 102, 0.4);
            --text-main: #f8fafc;
            --text-muted: #94a3b8;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.3);
            --shadow-lg: 0 16px 36px rgba(0, 0, 0, 0.5);
            --shadow-primary: 0 8px 24px rgba(255, 51, 102, 0.35);
            --transition-base: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
            background-color: var(--bg-dark);
            color: var(--text-main);
            line-height: 1.7;
            overflow-x: hidden;
        }
        a { color: inherit; text-decoration: none; transition: var(--transition-base); }
        a:hover { color: var(--primary-color); }
        img { max-width: 100%; height: auto; display: block; }
        .site-navbar {
            background: rgba(15, 16, 21, 0.88);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .navbar-brand-logo {
            font-size: 1.35rem;
            font-weight: 800;
            background: var(--accent-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: -0.5px;
        }
        .nav-link-custom {
            color: var(--text-muted);
            font-weight: 500;
            padding: 0.5rem 1rem;
            border-radius: var(--radius-sm);
        }
        .nav-link-custom:hover, .nav-link-custom.active {
            color: #fff;
            background: rgba(255, 255, 255, 0.05);
        }
        .nav-link-custom.active {
            color: var(--primary-color);
            font-weight: 600;
        }
        .btn-gradient-primary {
            background: var(--accent-gradient);
            color: #fff;
            font-weight: 600;
            border: none;
            padding: 0.65rem 1.6rem;
            border-radius: 50px;
            box-shadow: var(--shadow-primary);
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
        }
        .btn-gradient-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(255, 51, 102, 0.5);
            color: #fff;
        }
        .btn-outline-glass {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: var(--text-main);
            font-weight: 600;
            padding: 0.65rem 1.6rem;
            border-radius: 50px;
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
        }
        .btn-outline-glass:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.3);
            color: #fff;
        }
        .hero-crowdfund {
            position: relative;
            padding: 4.5rem 0 4rem;
            background-image: radial-gradient(circle at 85% 15%, rgba(121, 40, 202, 0.3) 0%, transparent 55%),
                              radial-gradient(circle at 15% 85%, rgba(255, 51, 102, 0.25) 0%, transparent 60%),
                              url('/assets/images/da310407084fa26f.jpg');
            background-size: cover;
            background-position: center;
            border-bottom: 1px solid var(--border-color);
        }
        .hero-crowdfund-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 16, 21, 0.82) 0%, rgba(15, 16, 21, 0.96) 100%);
            z-index: 1;
        }
        .hero-crowdfund-content { position: relative; z-index: 2; }
        .progress-circle-wrap {
            position: relative;
            width: 140px;
            height: 140px;
        }
        .progress-circle-wrap svg {
            transform: rotate(-90deg);
        }
        .progress-circle-wrap .progress-text {
            position: absolute;
            inset: 0;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            font-weight: 800;
        }
        .tier-card {
            background: rgba(23, 25, 35, 0.8);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 1.25rem;
            transition: var(--transition-base);
        }
        .tier-card:hover {
            border-color: var(--primary-color);
            background: rgba(31, 34, 48, 0.9);
            transform: translateY(-3px);
        }
        .section-block {
            padding: 4.5rem 0;
            position: relative;
        }
        .section-block-alt {
            background-color: var(--bg-surface);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }
        .section-header {
            margin-bottom: 3rem;
        }
        .section-tag {
            font-size: 0.85rem;
            font-weight: 700;
            letter-spacing: 1.5px;
            color: var(--primary-color);
            margin-bottom: 0.5rem;
            display: inline-block;
        }
        .section-title {
            font-size: clamp(1.75rem, 3.2vw, 2.3rem);
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 0.75rem;
        }
        .section-subtitle {
            color: var(--text-muted);
            font-size: 0.98rem;
            max-width: 680px;
            margin: 0 auto;
        }
        .card-custom {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 1.75rem;
            height: 100%;
            transition: var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        .card-custom:hover {
            background-color: var(--bg-card-hover);
            border-color: rgba(255, 255, 255, 0.18);
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }
        .metric-badge {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 700;
            color: #38bdf8;
            background: rgba(56, 189, 248, 0.12);
            padding: 0.25rem 0.65rem;
            border-radius: 50px;
            margin-bottom: 0.75rem;
        }
        .matrix-thumb {
            width: 100%;
            height: 170px;
            object-fit: cover;
            border-radius: var(--radius-md);
            margin-bottom: 1.25rem;
        }
        .table-compare {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-color);
        }
        .table-compare th, .table-compare td {
            padding: 1.15rem 1.4rem;
            border-bottom: 1px solid var(--border-color);
            font-size: 0.95rem;
        }
        .table-compare th {
            background: rgba(255, 255, 255, 0.03);
            font-weight: 700;
            color: var(--text-main);
        }
        .table-compare tr:last-child td {
            border-bottom: none;
        }
        .milestone-item {
            position: relative;
            padding-left: 2.5rem;
            margin-bottom: 2rem;
        }
        .milestone-item::before {
            content: '';
            position: absolute;
            left: 0.45rem;
            top: 0.45rem;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--primary-color);
            box-shadow: 0 0 12px var(--primary-color);
        }
        .milestone-item::after {
            content: '';
            position: absolute;
            left: 0.85rem;
            top: 1.6rem;
            bottom: -1.2rem;
            width: 2px;
            background: rgba(255, 255, 255, 0.1);
        }
        .milestone-item:last-child::after {
            display: none;
        }
        .article-card-thumb {
            height: 200px;
            width: 100%;
            object-fit: cover;
            border-radius: var(--radius-md);
            margin-bottom: 1rem;
        }
        .accordion-item {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md) !important;
            margin-bottom: 1rem;
            overflow: hidden;
        }
        .accordion-button {
            background-color: var(--bg-card);
            color: var(--text-main);
            font-weight: 600;
            font-size: 1.05rem;
            padding: 1.2rem 1.5rem;
            box-shadow: none !important;
        }
        .accordion-button:not(.collapsed) {
            background-color: var(--bg-card-hover);
            color: var(--primary-color);
        }
        .accordion-button::after {
            filter: invert(1);
        }
        .accordion-body {
            color: var(--text-muted);
            line-height: 1.8;
            padding: 1.25rem 1.5rem;
            font-size: 0.95rem;
            border-top: 1px solid var(--border-color);
        }
        .form-control-custom, .form-select-custom {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-color);
            color: #fff;
            border-radius: var(--radius-sm);
            padding: 0.75rem 1rem;
        }
        .form-control-custom:focus, .form-select-custom:focus {
            background: rgba(255, 255, 255, 0.08);
            border-color: var(--border-focus);
            color: #fff;
            box-shadow: 0 0 0 0.25rem rgba(255, 51, 102, 0.2);
        }
        .site-footer {
            background: #090a0d;
            border-top: 1px solid var(--border-color);
            padding: 4.5rem 0 2rem;
        }
        .brand-logo {
            font-size: 1.3rem;
            font-weight: 800;
            letter-spacing: -0.5px;
        }

/* 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}