/* roulang page: index */
:root {
            --brand: #0E3B2F;
            --brandlight: #0F766E;
            --accent: #F97316;
            --canvas: #F7F8F6;
            --card: #FFFFFF;
            --ink: #1F2937;
            --mute: #6B7280;
            --hairline: rgba(15, 40, 35, 0.08);
            --shadow-card: 0 1px 2px rgba(15, 40, 35, 0.05), 0 8px 24px rgba(15, 40, 35, 0.06);
            --shadow-hover: 0 4px 8px rgba(15, 40, 35, 0.08), 0 16px 40px rgba(15, 40, 35, 0.12);
            --radius-card: 1rem;
            --radius-btn: 0.75rem;
            --radius-full: 9999px;
            --container-max: 1200px;
            --section-y: 5rem;
            --section-y-mobile: 2.5rem;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            background-color: var(--canvas);
            color: var(--ink);
            line-height: 1.8;
            font-size: 16px;
        }

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

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

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

        @media (min-width: 768px) {
            .container {
                padding-left: 24px;
                padding-right: 24px;
            }
        }

        .section {
            padding-top: var(--section-y-mobile);
            padding-bottom: var(--section-y-mobile);
        }

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

        .section-alt {
            background-color: var(--card);
            border-top: 1px solid var(--hairline);
            border-bottom: 1px solid var(--hairline);
        }

        .section-dark {
            background-color: var(--brand);
            color: #F0F4F2;
        }

        .font-mono-num {
            font-family: 'ui-monospace', 'SFMono-Regular', Menlo, Consolas, monospace;
            font-variant-numeric: tabular-nums;
        }

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

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

        .card-static {
            background-color: var(--card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--hairline);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.7rem 1.4rem;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.9375rem;
            transition: all 0.2s ease;
            white-space: nowrap;
            border: 1px solid transparent;
        }

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

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

        .btn-primary:hover {
            background-color: #ea6a0a;
        }

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

        .btn-secondary {
            background-color: transparent;
            color: var(--brand);
            border-color: rgba(14, 59, 47, 0.2);
        }

        .btn-secondary:hover {
            background-color: rgba(14, 59, 47, 0.06);
        }

        .btn-outline-light {
            background-color: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.4);
        }

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

        .chip {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.45rem 1rem;
            border-radius: var(--radius-full);
            font-size: 0.875rem;
            font-weight: 500;
            transition: all 0.2s ease;
            white-space: nowrap;
            background-color: rgba(14, 59, 47, 0.04);
            color: var(--mute);
            border: 1px solid var(--hairline);
        }

        .chip:hover {
            background-color: rgba(14, 59, 47, 0.08);
            color: var(--brand);
        }

        .chip-active {
            background-color: var(--brand);
            color: #fff;
            border-color: var(--brand);
        }

        .chip-active:hover {
            background-color: #0d352a;
            color: #fff;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            padding: 0.2rem 0.65rem;
            border-radius: var(--radius-full);
            font-size: 0.75rem;
            font-weight: 600;
            line-height: 1.6;
            letter-spacing: 0.01em;
        }

        .badge-accent {
            background-color: rgba(249, 115, 22, 0.12);
            color: #c05621;
        }

        .badge-green {
            background-color: rgba(22, 163, 74, 0.12);
            color: #15803d;
        }

        .badge-mute {
            background-color: rgba(107, 114, 128, 0.1);
            color: #4b5563;
        }

        .divider {
            height: 1px;
            background-color: var(--hairline);
            width: 100%;
        }

        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            line-height: 1.3;
            color: var(--brand);
            letter-spacing: -0.01em;
        }

        @media (min-width: 768px) {
            .section-title {
                font-size: 2rem;
            }
        }

        .section-subtitle {
            font-size: 0.9375rem;
            color: var(--mute);
            margin-top: 0.5rem;
            max-width: 640px;
        }

        .header-main {
            position: sticky;
            top: 0;
            z-index: 40;
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--hairline);
        }

        .nav-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--brand);
            letter-spacing: -0.01em;
            white-space: nowrap;
        }

        .nav-logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background-color: var(--brand);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.875rem;
            font-weight: 800;
            flex-shrink: 0;
        }

        .nav-cta {
            flex-shrink: 0;
        }

        .nav-chips {
            display: flex;
            gap: 0.5rem;
            overflow-x: auto;
            padding: 0.65rem 0;
            scrollbar-width: thin;
            scrollbar-color: rgba(14, 59, 47, 0.2) transparent;
            -webkit-overflow-scrolling: touch;
        }

        .nav-chips::-webkit-scrollbar {
            height: 4px;
        }

        .nav-chips::-webkit-scrollbar-thumb {
            background-color: rgba(14, 59, 47, 0.2);
            border-radius: 9999px;
        }

        .nav-chips::-webkit-scrollbar-track {
            background-color: transparent;
        }

        .footer-main {
            background-color: var(--brand);
            color: rgba(255, 255, 255, 0.75);
            padding-top: 3rem;
            padding-bottom: 1.5rem;
        }

        .footer-link {
            color: rgba(255, 255, 255, 0.6);
            transition: color 0.2s ease;
            font-size: 0.875rem;
        }

        .footer-link:hover {
            color: #fff;
        }

        .footer-copy {
            color: rgba(255, 255, 255, 0.45);
            font-size: 0.8125rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 1.25rem;
            margin-top: 2rem;
        }

        .input-field {
            width: 100%;
            padding: 0.65rem 1rem;
            border-radius: 0.625rem;
            background-color: #F3F4F6;
            border: 1px solid var(--hairline);
            font-size: 0.9375rem;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }

        .input-field:focus {
            outline: none;
            border-color: var(--brandlight);
            box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.12);
            background-color: #fff;
        }

        .faq-item {
            border: 1px solid var(--hairline);
            border-radius: 0.75rem;
            background-color: var(--card);
            overflow: hidden;
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 1rem 1.25rem;
            font-weight: 600;
            font-size: 0.9375rem;
            color: var(--ink);
            text-align: left;
            cursor: pointer;
            transition: background-color 0.2s ease;
        }

        .faq-question:hover {
            background-color: rgba(14, 59, 47, 0.03);
        }

        .faq-answer {
            padding: 0 1.25rem 1.25rem;
            font-size: 0.875rem;
            color: var(--mute);
            line-height: 1.7;
        }

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

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

        .h-image-cover {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-card);
        }

        .bg-hero-image {
            background-image: url('/assets/images/ebea78adc3626e15.webp');
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .bg-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(14, 59, 47, 0.9) 0%, rgba(14, 59, 47, 0.6) 100%);
            border-radius: inherit;
        }

        .solution-step {
            display: flex;
            gap: 1.25rem;
            align-items: flex-start;
        }

        .solution-number {
            flex-shrink: 0;
            width: 2.75rem;
            height: 2.75rem;
            border-radius: 0.75rem;
            background-color: var(--brand);
            color: #fff;
            font-weight: 700;
            font-size: 1.125rem;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: 'ui-monospace', 'SFMono-Regular', Menlo, Consolas, monospace;
        }

        .data-panel-card {
            background-color: var(--brand);
            color: #F0F4F2;
            border-radius: var(--radius-card);
            padding: 1.5rem;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        .data-num {
            font-family: 'ui-monospace', 'SFMono-Regular', Menlo, Consolas, monospace;
            font-size: 2.5rem;
            font-weight: 700;
            line-height: 1.1;
            font-variant-numeric: tabular-nums;
        }

        .timeline-item {
            position: relative;
            padding-left: 2rem;
            border-left: 2px solid var(--hairline);
        }

        .timeline-dot {
            position: absolute;
            left: -7px;
            top: 4px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background-color: var(--accent);
            border: 2px solid var(--card);
            box-shadow: 0 0 0 2px var(--hairline);
        }

        @media (max-width: 768px) {
            .hero-grid {
                flex-direction: column;
            }

            .hero-right {
                display: none;
            }

            .hero-right-mobile {
                display: block;
                margin-top: 2rem;
            }

            .hero-content {
                padding: 2.5rem 0;
            }

            .nav-cta-text {
                font-size: 0.8125rem;
                padding: 0.5rem 0.75rem;
            }

            .section-title {
                font-size: 1.5rem;
            }

            .data-num {
                font-size: 2rem;
            }

            .solution-step {
                gap: 0.75rem;
            }

            .solution-number {
                width: 2.25rem;
                height: 2.25rem;
                font-size: 0.9375rem;
            }
        }

        @media (min-width: 769px) {
            .hero-right-mobile {
                display: none;
            }
        }

        .hero-content {
            position: relative;
            z-index: 1;
            color: #fff;
        }

        .hero-content h1 {
            color: #fff;
            font-size: 2.25rem;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.01em;
        }

        @media (min-width: 768px) {
            .hero-content h1 {
                font-size: 2.75rem;
            }
        }

        @media (min-width: 1024px) {
            .hero-content h1 {
                font-size: 3rem;
            }
        }

        .hero-sub {
            color: rgba(255, 255, 255, 0.85);
            margin-top: 1rem;
            font-size: 0.9375rem;
        }

        .hero-data-card {
            background-color: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: var(--radius-card);
            padding: 1.5rem;
            color: #fff;
        }

/* roulang page: category1 */
:root {
      --brand: #0E3B2F;
      --brandlight: #0F766E;
      --accent: #F97316;
      --canvas: #F7F8F6;
      --card: #FFFFFF;
      --ink: #1F2937;
      --mute: #6B7280;
      --hairline: rgba(15, 40, 35, 0.08);
      --shadow-card: 0 1px 2px rgba(15, 40, 35, 0.05), 0 8px 24px rgba(15, 40, 35, 0.06);
      --shadow-hover: 0 4px 8px rgba(15, 40, 35, 0.08), 0 16px 40px rgba(15, 40, 35, 0.12);
      --radius-card: 1rem;
      --radius-btn: 0.75rem;
      --radius-full: 9999px;
      --container-max: 1200px;
      --section-y: 5rem;
      --section-y-mobile: 2.5rem;
    }
    html {
      scroll-behavior: smooth;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }
    body {
      font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
      background-color: var(--canvas);
      color: var(--ink);
      line-height: 1.8;
      font-size: 16px;
      margin: 0;
    }
    *, *::before, *::after {
      box-sizing: border-box;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: color 0.2s ease;
    }
    img {
      display: block;
      max-width: 100%;
      height: auto;
      object-fit: cover;
    }
    button, input, select, textarea {
      font-family: inherit;
      font-size: inherit;
      line-height: inherit;
      color: inherit;
    }
    button {
      cursor: pointer;
      border: none;
      background: none;
    }
    .container {
      max-width: var(--container-max);
      margin: 0 auto;
      padding-left: 24px;
      padding-right: 24px;
    }
    .section {
      padding-top: var(--section-y-mobile);
      padding-bottom: var(--section-y-mobile);
    }
    @media (min-width: 768px) {
      .section {
        padding-top: var(--section-y);
        padding-bottom: var(--section-y);
      }
    }
    .section-alt {
      background-color: var(--card);
      border-top: 1px solid var(--hairline);
      border-bottom: 1px solid var(--hairline);
    }
    .section-dark {
      background-color: var(--brand);
      color: #F0F4F2;
    }
    .card {
      background-color: var(--card);
      border-radius: var(--radius-card);
      box-shadow: var(--shadow-card);
      border: 1px solid var(--hairline);
      transition: box-shadow 0.25s ease, transform 0.25s ease;
    }
    .card:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-2px);
    }
    .card-static {
      background-color: var(--card);
      border-radius: var(--radius-card);
      box-shadow: var(--shadow-card);
      border: 1px solid var(--hairline);
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 0.5rem;
      padding: 0.7rem 1.4rem;
      border-radius: var(--radius-btn);
      font-weight: 600;
      font-size: 0.9375rem;
      transition: all 0.2s ease;
      white-space: nowrap;
      border: 1px solid transparent;
      text-decoration: none;
    }
    .btn:focus-visible {
      outline: 2px solid var(--accent);
      outline-offset: 2px;
    }
    .btn-primary {
      background-color: var(--accent);
      color: #fff;
    }
    .btn-primary:hover {
      background-color: #ea6a0a;
    }
    .btn-primary:active {
      transform: translateY(1px);
    }
    .btn-secondary {
      background-color: transparent;
      color: var(--brand);
      border-color: rgba(14, 59, 47, 0.2);
    }
    .btn-secondary:hover {
      background-color: rgba(14, 59, 47, 0.06);
    }
    .btn-outline-light {
      background-color: transparent;
      color: #fff;
      border-color: rgba(255, 255, 255, 0.4);
    }
    .btn-outline-light:hover {
      background-color: rgba(255, 255, 255, 0.1);
    }
    .chip {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 0.45rem 1rem;
      border-radius: var(--radius-full);
      font-size: 0.875rem;
      font-weight: 500;
      transition: all 0.2s ease;
      white-space: nowrap;
      background-color: rgba(14, 59, 47, 0.04);
      color: var(--mute);
      border: 1px solid var(--hairline);
    }
    .chip:hover {
      background-color: rgba(14, 59, 47, 0.08);
      color: var(--brand);
    }
    .chip-active {
      background-color: var(--brand);
      color: #fff;
      border-color: var(--brand);
    }
    .chip-active:hover {
      background-color: #0d352a;
      color: #fff;
    }
    .badge {
      display: inline-flex;
      align-items: center;
      padding: 0.2rem 0.65rem;
      border-radius: var(--radius-full);
      font-size: 0.75rem;
      font-weight: 600;
      line-height: 1.6;
      letter-spacing: 0.01em;
    }
    .badge-accent {
      background-color: rgba(249, 115, 22, 0.12);
      color: #c05621;
    }
    .badge-green {
      background-color: rgba(22, 163, 74, 0.12);
      color: #15803d;
    }
    .badge-mute {
      background-color: rgba(107, 114, 128, 0.1);
      color: #4b5563;
    }
    .divider {
      height: 1px;
      background-color: var(--hairline);
      width: 100%;
    }
    .section-title {
      font-size: 1.75rem;
      font-weight: 700;
      line-height: 1.3;
      color: var(--brand);
      letter-spacing: -0.01em;
    }
    @media (min-width: 768px) {
      .section-title {
        font-size: 2rem;
      }
    }
    .section-subtitle {
      font-size: 0.9375rem;
      color: var(--mute);
      margin-top: 0.5rem;
      max-width: 640px;
    }
    .header-main {
      position: sticky;
      top: 0;
      z-index: 40;
      background-color: rgba(255,255,255,0.95);
      backdrop-filter: blur(8px);
      border-bottom: 1px solid var(--hairline);
    }
    .nav-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 0.75rem;
    }
    .nav-logo {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      font-weight: 700;
      font-size: 1.125rem;
      color: var(--brand);
      letter-spacing: -0.01em;
    }
    .nav-logo-icon {
      width: 32px;
      height: 32px;
      border-radius: 6px;
      background-color: var(--brand);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 0.875rem;
    }
    .nav-cta {
      font-size: 0.875rem;
      padding: 0.5rem 1.1rem;
      border-radius: 10px;
    }
    .nav-cta-text {
      white-space: nowrap;
    }
    .nav-chips {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      overflow-x: auto;
      padding-bottom: 0.75rem;
      padding-top: 0.5rem;
      -webkit-overflow-scrolling: touch;
      scrollbar-width: none;
    }
    .nav-chips::-webkit-scrollbar {
      display: none;
    }
    .footer-main {
      background-color: var(--brand);
      color: #F0F4F2;
      padding-top: 3rem;
      padding-bottom: 1.5rem;
    }
    .footer-link {
      color: rgba(255,255,255,0.7);
      font-size: 0.875rem;
      transition: color 0.2s ease;
    }
    .footer-link:hover {
      color: #fff;
    }
    .footer-copy {
      border-top: 1px solid rgba(255,255,255,0.1);
      margin-top: 2rem;
      padding-top: 1.5rem;
      text-align: center;
      font-size: 0.8125rem;
      color: rgba(255,255,255,0.55);
    }
    /* 赛程中心特有 */
    .breadcrumb {
      font-size: 0.8125rem;
      color: rgba(255,255,255,0.7);
      display: flex;
      align-items: center;
      gap: 0.4rem;
      margin-bottom: 0.75rem;
    }
    .breadcrumb a {
      color: rgba(255,255,255,0.7);
    }
    .breadcrumb a:hover {
      color: #fff;
    }
    .narrow-banner {
      background-color: var(--brand);
      color: #fff;
      padding-top: 2.5rem;
      padding-bottom: 2.5rem;
      min-height: 240px;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }
    .narrow-banner h1 {
      font-size: 2rem;
      font-weight: 700;
      line-height: 1.2;
      letter-spacing: -0.01em;
      margin: 0;
    }
    .narrow-banner p {
      color: rgba(255,255,255,0.8);
      margin-top: 0.5rem;
      max-width: 720px;
    }
    .filter-bar {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 0.75rem;
    }
    .filter-select {
      background-color: #fff;
      border: 1px solid var(--hairline);
      border-radius: 10px;
      padding: 0.6rem 1rem;
      font-size: 0.875rem;
      min-width: 140px;
      color: var(--ink);
      outline: none;
      transition: border-color 0.2s ease, box-shadow 0.2s ease;
    }
    .filter-select:focus {
      border-color: var(--brandlight);
      box-shadow: 0 0 0 3px rgba(15,118,110,0.12);
    }
    .match-list {
      display: flex;
      flex-direction: column;
      gap: 1rem;
    }
    .match-item {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1rem;
      padding: 1rem 1.25rem;
      background: #fff;
      border-radius: 14px;
      border: 1px solid var(--hairline);
      box-shadow: 0 1px 2px rgba(15,40,35,0.03);
      transition: box-shadow 0.2s ease, transform 0.2s ease;
    }
    .match-item:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-1px);
    }
    .match-time {
      min-width: 70px;
      font-weight: 600;
      color: var(--brand);
      font-size: 0.9375rem;
    }
    .match-info {
      flex: 1;
      display: flex;
      align-items: center;
      gap: 0.75rem;
      flex-wrap: wrap;
    }
    .match-teams {
      font-weight: 600;
      font-size: 0.9375rem;
    }
    .match-status {
      display: inline-flex;
      align-items: center;
      padding: 0.15rem 0.6rem;
      border-radius: 999px;
      font-size: 0.75rem;
      font-weight: 600;
    }
    .status-upcoming {
      background-color: rgba(107,114,128,0.1);
      color: #4b5563;
    }
    .status-live {
      background-color: rgba(22,163,74,0.12);
      color: #15803d;
    }
    .status-ended {
      background-color: rgba(249,115,22,0.12);
      color: #c05621;
    }
    .fav-btn {
      color: #9CA3AF;
      font-size: 1.2rem;
      padding: 0.25rem;
      border-radius: 8px;
      transition: color 0.2s ease, background-color 0.2s ease;
      line-height: 1;
    }
    .fav-btn:hover {
      color: var(--accent);
      background-color: rgba(249,115,22,0.08);
    }
    .fav-btn.active {
      color: var(--accent);
    }
    .focus-match-card {
      display: grid;
      grid-template-columns: 1fr;
      background: #fff;
      border-radius: 20px;
      overflow: hidden;
      border: 1px solid var(--hairline);
      box-shadow: var(--shadow-card);
    }
    @media (min-width: 768px) {
      .focus-match-card {
        grid-template-columns: 1fr 1.2fr;
      }
    }
    .focus-match-img {
      min-height: 220px;
      height: 100%;
      background-size: cover;
      background-position: center;
    }
    .focus-match-body {
      padding: 1.5rem 1.75rem;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }
    .stat-bar {
      display: flex;
      flex-wrap: wrap;
      gap: 1.5rem;
      background: #fff;
      border-radius: 16px;
      padding: 1.25rem 1.5rem;
      border: 1px solid var(--hairline);
      box-shadow: 0 1px 2px rgba(15,40,35,0.03);
    }
    .stat-item {
      flex: 1 1 140px;
      min-width: 120px;
    }
    .stat-number {
      font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
      font-size: 1.75rem;
      font-weight: 700;
      color: var(--brand);
      line-height: 1.2;
    }
    .stat-label {
      font-size: 0.8125rem;
      color: var(--mute);
      margin-top: 0.25rem;
    }
    .faq-item {
      border-bottom: 1px solid var(--hairline);
    }
    .faq-question {
      width: 100%;
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 1rem 0;
      font-weight: 600;
      text-align: left;
      color: var(--brand);
      font-size: 1rem;
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease;
      color: var(--mute);
      font-size: 0.9375rem;
      line-height: 1.8;
    }
    .faq-answer.open {
      max-height: 300px;
      padding-bottom: 1rem;
    }
    .faq-icon {
      transition: transform 0.3s ease;
      font-size: 1.2rem;
      color: var(--brandlight);
    }
    .faq-item.active .faq-icon {
      transform: rotate(45deg);
    }
    @media (max-width: 640px) {
      .narrow-banner h1 { font-size: 1.6rem; }
      .match-item { flex-direction: column; align-items: flex-start; }
      .filter-bar { flex-direction: column; align-items: stretch; }
      .filter-select { width: 100%; }
      .focus-match-card { grid-template-columns: 1fr; }
    }

/* roulang page: category2 */
:root {
            --brand: #0E3B2F;
            --brandlight: #0F766E;
            --accent: #F97316;
            --canvas: #F7F8F6;
            --card: #FFFFFF;
            --ink: #1F2937;
            --mute: #6B7280;
            --hairline: rgba(15, 40, 35, 0.08);
            --shadow-card: 0 1px 2px rgba(15, 40, 35, 0.05), 0 8px 24px rgba(15, 40, 35, 0.06);
            --shadow-hover: 0 4px 8px rgba(15, 40, 35, 0.08), 0 16px 40px rgba(15, 40, 35, 0.12);
            --radius-card: 1rem;
            --radius-btn: 0.75rem;
            --radius-full: 9999px;
            --container-max: 1200px;
            --section-y: 5rem;
            --section-y-mobile: 2.5rem;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            background-color: var(--canvas);
            color: var(--ink);
            line-height: 1.8;
            font-size: 16px;
        }

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

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section {
            padding-top: var(--section-y);
            padding-bottom: var(--section-y);
        }

        @media (max-width: 640px) {
            .section {
                padding-top: var(--section-y-mobile);
                padding-bottom: var(--section-y-mobile);
            }
        }

        .section-alt {
            background-color: var(--card);
            border-top: 1px solid var(--hairline);
            border-bottom: 1px solid var(--hairline);
        }

        .section-dark {
            background-color: var(--brand);
            color: #F0F4F2;
        }

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

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

        .card-static {
            background-color: var(--card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--hairline);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.7rem 1.4rem;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.9375rem;
            transition: all 0.2s ease;
            white-space: nowrap;
            border: 1px solid transparent;
        }

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

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

        .btn-primary:hover {
            background-color: #ea6a0a;
        }

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

        .btn-secondary {
            background-color: transparent;
            color: var(--brand);
            border-color: rgba(14, 59, 47, 0.2);
        }

        .btn-secondary:hover {
            background-color: rgba(14, 59, 47, 0.06);
        }

        .btn-outline-light {
            background-color: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.4);
        }

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

        .chip {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.45rem 1rem;
            border-radius: var(--radius-full);
            font-size: 0.875rem;
            font-weight: 500;
            transition: all 0.2s ease;
            white-space: nowrap;
            background-color: rgba(14, 59, 47, 0.04);
            color: var(--mute);
            border: 1px solid var(--hairline);
        }

        .chip:hover {
            background-color: rgba(14, 59, 47, 0.08);
            color: var(--brand);
        }

        .chip-active {
            background-color: var(--brand);
            color: #fff;
            border-color: var(--brand);
        }

        .chip-active:hover {
            background-color: #0d352a;
            color: #fff;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            padding: 0.2rem 0.65rem;
            border-radius: var(--radius-full);
            font-size: 0.75rem;
            font-weight: 600;
            line-height: 1.6;
            letter-spacing: 0.01em;
        }

        .badge-accent {
            background-color: rgba(249, 115, 22, 0.12);
            color: #c05621;
        }

        .badge-green {
            background-color: rgba(22, 163, 74, 0.12);
            color: #15803d;
        }

        .badge-mute {
            background-color: rgba(107, 114, 128, 0.1);
            color: #4b5563;
        }

        .divider {
            height: 1px;
            background-color: var(--hairline);
            width: 100%;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            line-height: 1.3;
            color: var(--brand);
            letter-spacing: -0.01em;
        }

        @media (max-width: 640px) {
            .section-title {
                font-size: 1.5rem;
            }
        }

        .section-subtitle {
            font-size: 0.9375rem;
            color: var(--mute);
            margin-top: 0.5rem;
            max-width: 640px;
        }

        .header-main {
            position: sticky;
            top: 0;
            z-index: 40;
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--hairline);
            box-shadow: 0 1px 0 rgba(15, 40, 35, 0.04);
        }

        .nav-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding-top: 0.85rem;
            padding-bottom: 0.85rem;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--brand);
        }

        .nav-logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background-color: var(--brand);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.875rem;
        }

        .nav-cta {
            flex-shrink: 0;
        }

        .nav-chips {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            padding-bottom: 0.85rem;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

        .nav-chips::-webkit-scrollbar {
            display: none;
        }

        @media (max-width: 640px) {
            .nav-cta-text {
                padding: 0.5rem 1rem;
                font-size: 0.8125rem;
            }
            .nav-logo {
                font-size: 1rem;
            }
            .nav-logo-icon {
                width: 26px;
                height: 26px;
                font-size: 0.75rem;
            }
            .nav-chips {
                gap: 0.35rem;
            }
            .chip {
                padding: 0.4rem 0.8rem;
                font-size: 0.8125rem;
            }
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.8125rem;
            color: var(--mute);
            margin-bottom: 0.75rem;
        }

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

        .breadcrumb-sep {
            color: rgba(107, 114, 128, 0.5);
            font-size: 0.75rem;
        }

        .hero-narrow {
            padding-top: 2rem;
            padding-bottom: 2rem;
            background-color: var(--card);
            border-bottom: 1px solid var(--hairline);
        }

        .hero-narrow h1 {
            font-size: 2.25rem;
            font-weight: 800;
            line-height: 1.2;
            color: var(--brand);
            letter-spacing: -0.01em;
            margin-bottom: 0.5rem;
        }

        @media (max-width: 640px) {
            .hero-narrow {
                padding-top: 1.5rem;
                padding-bottom: 1.5rem;
            }
            .hero-narrow h1 {
                font-size: 1.75rem;
            }
        }

        .hero-narrow p {
            font-size: 0.9375rem;
            color: var(--mute);
            max-width: 560px;
        }

        .metric-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.25rem;
        }

        @media (max-width: 1024px) {
            .metric-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

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

        .metric-card {
            background-color: var(--card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--hairline);
            padding: 1.5rem 1.25rem;
            text-align: center;
            transition: box-shadow 0.25s ease, transform 0.25s ease;
        }

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

        .metric-value {
            font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
            font-size: 2rem;
            font-weight: 700;
            color: var(--brand);
            line-height: 1.2;
            letter-spacing: -0.02em;
        }

        .metric-unit {
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--brandlight);
        }

        .metric-label {
            font-size: 0.8125rem;
            color: var(--mute);
            margin-top: 0.25rem;
        }

        .model-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
            align-items: start;
        }

        @media (max-width: 768px) {
            .model-layout {
                grid-template-columns: 1fr;
            }
        }

        .model-main-card {
            background-color: var(--card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--hairline);
            overflow: hidden;
            transition: box-shadow 0.25s ease, transform 0.25s ease;
        }

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

        .model-main-card img {
            width: 100%;
            height: 220px;
            object-fit: cover;
        }

        @media (max-width: 640px) {
            .model-main-card img {
                height: 160px;
            }
        }

        .model-card-body {
            padding: 1.5rem;
        }

        .model-card-body h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--brand);
            margin-bottom: 0.5rem;
        }

        .model-card-body p {
            font-size: 0.875rem;
            color: var(--mute);
            margin-bottom: 1rem;
        }

        .score-bar-wrap {
            margin-top: 0.75rem;
        }

        .score-bar-label {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.8125rem;
            color: var(--mute);
            margin-bottom: 0.35rem;
        }

        .score-bar-label strong {
            font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
            font-weight: 700;
            color: var(--brand);
            font-size: 1rem;
        }

        .score-bar-track {
            width: 100%;
            height: 8px;
            background-color: rgba(14, 59, 47, 0.08);
            border-radius: 9999px;
            overflow: hidden;
        }

        .score-bar-fill {
            height: 100%;
            border-radius: 9999px;
            background-color: var(--brandlight);
            transition: width 0.4s ease;
        }

        .score-bar-fill.accent {
            background-color: var(--accent);
        }

        .model-sub-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .model-sub-card {
            background-color: var(--card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--hairline);
            padding: 1.25rem 1.5rem;
            display: flex;
            align-items: center;
            gap: 1rem;
            transition: box-shadow 0.25s ease, transform 0.25s ease;
        }

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

        .model-sub-card .model-index {
            font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--accent);
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            background-color: rgba(249, 115, 22, 0.08);
            border-radius: 12px;
        }

        .model-sub-card .model-info h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--brand);
            margin-bottom: 0.25rem;
        }

        .model-sub-card .model-info p {
            font-size: 0.8125rem;
            color: var(--mute);
            line-height: 1.6;
        }

        .article-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .article-item {
            background-color: var(--card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--hairline);
            padding: 1.25rem 1.5rem;
            display: flex;
            align-items: center;
            gap: 1.25rem;
            transition: box-shadow 0.25s ease, transform 0.25s ease;
        }

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

        @media (max-width: 640px) {
            .article-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.75rem;
            }
        }

        .article-date {
            font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
            font-size: 0.8125rem;
            color: var(--mute);
            flex-shrink: 0;
            min-width: 88px;
        }

        .article-title {
            font-size: 1rem;
            font-weight: 600;
            color: var(--ink);
            flex: 1;
        }

        .article-title a:hover {
            color: var(--brandlight);
        }

        .method-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.25rem;
        }

        .method-item {
            display: flex;
            gap: 1.25rem;
            background-color: var(--card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--hairline);
            padding: 1.5rem;
            transition: box-shadow 0.25s ease, transform 0.25s ease;
        }

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

        .method-step {
            flex-shrink: 0;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background-color: var(--brand);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.875rem;
            font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
        }

        .method-content h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--brand);
            margin-bottom: 0.5rem;
        }

        .method-content p {
            font-size: 0.875rem;
            color: var(--mute);
            line-height: 1.7;
        }

        .source-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
        }

        @media (max-width: 768px) {
            .source-grid {
                grid-template-columns: 1fr;
            }
        }

        .source-card {
            background-color: var(--card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--hairline);
            padding: 1.5rem;
        }

        .source-card h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--brand);
            margin-bottom: 0.75rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .source-card ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .source-card li {
            font-size: 0.875rem;
            color: var(--mute);
            padding-left: 1.25rem;
            position: relative;
        }

        .source-card li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0.5rem;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background-color: var(--brandlight);
        }

        .cta-section {
            background-color: var(--brand);
            border-radius: var(--radius-card);
            padding: 3rem 2.5rem;
            color: #F0F4F2;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 2rem;
            flex-wrap: wrap;
        }

        @media (max-width: 768px) {
            .cta-section {
                flex-direction: column;
                align-items: flex-start;
                padding: 2rem 1.5rem;
            }
        }

        .cta-section h2 {
            font-size: 1.75rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.5rem;
        }

        @media (max-width: 640px) {
            .cta-section h2 {
                font-size: 1.375rem;
            }
        }

        .cta-section p {
            font-size: 0.9375rem;
            color: rgba(255, 255, 255, 0.65);
            max-width: 520px;
        }

        .subscribe-form {
            display: flex;
            gap: 0.75rem;
            flex-wrap: wrap;
            align-items: center;
        }

        .subscribe-form input {
            background-color: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: var(--radius-btn);
            padding: 0.7rem 1.2rem;
            color: #fff;
            font-size: 0.9375rem;
            min-width: 240px;
            outline: none;
            transition: border-color 0.2s ease, background-color 0.2s ease;
        }

        .subscribe-form input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

        .subscribe-form input:focus {
            border-color: var(--accent);
            background-color: rgba(255, 255, 255, 0.16);
            box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.2);
        }

        .footer-main {
            background-color: var(--brand);
            color: rgba(255, 255, 255, 0.65);
            padding-top: 3rem;
            padding-bottom: 2rem;
        }

        .footer-main .container {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
        }

        .footer-link {
            display: block;
            font-size: 0.8125rem;
            color: rgba(255, 255, 255, 0.55);
            transition: color 0.2s ease;
            padding: 0.25rem 0;
        }

        .footer-link:hover {
            color: #fff;
        }

        .footer-copy {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 1.5rem;
            font-size: 0.8125rem;
            color: rgba(255, 255, 255, 0.4);
            text-align: center;
        }

        .bg-image-cover {
            position: relative;
            overflow: hidden;
        }

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

        .bg-image-cover .overlay {
            position: absolute;
            inset: 0;
            background-color: rgba(14, 59, 47, 0.75);
        }

        .bg-image-cover .content {
            position: relative;
            z-index: 1;
        }

        .text-mono {
            font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
        }

/* roulang page: category3 */
:root {
            --brand: #0E3B2F;
            --brandlight: #0F766E;
            --accent: #F97316;
            --canvas: #F7F8F6;
            --card: #FFFFFF;
            --ink: #1F2937;
            --mute: #6B7280;
            --hairline: rgba(15, 40, 35, 0.08);
            --shadow-card: 0 1px 2px rgba(15, 40, 35, 0.05), 0 8px 24px rgba(15, 40, 35, 0.06);
            --shadow-hover: 0 4px 8px rgba(15, 40, 35, 0.08), 0 16px 40px rgba(15, 40, 35, 0.12);
            --radius-card: 1rem;
            --radius-btn: 0.75rem;
            --radius-full: 9999px;
            --container-max: 1200px;
            --section-y: 5rem;
            --section-y-mobile: 2.5rem;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            background-color: var(--canvas);
            color: var(--ink);
            line-height: 1.8;
            font-size: 16px;
            margin: 0;
            padding: 0;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        img {
            display: block;
            max-width: 100%;
            height: auto;
            object-fit: cover;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        input,
        select,
        textarea {
            background-color: #F9FAF8;
            border: 1px solid var(--hairline);
            border-radius: 10px;
            padding: 0.6rem 0.9rem;
            font-size: 0.9375rem;
            width: 100%;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }
        input:focus,
        select:focus,
        textarea:focus {
            outline: none;
            border-color: var(--brandlight);
            box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.12);
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .section {
            padding-top: var(--section-y-mobile);
            padding-bottom: var(--section-y-mobile);
        }
        .section-alt {
            background-color: var(--card);
            border-top: 1px solid var(--hairline);
            border-bottom: 1px solid var(--hairline);
        }
        .section-dark {
            background-color: var(--brand);
            color: #F0F4F2;
        }
        .card {
            background-color: var(--card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--hairline);
            transition: box-shadow 0.25s ease, transform 0.25s ease;
        }
        .card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .card-static {
            background-color: var(--card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--hairline);
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.7rem 1.4rem;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.9375rem;
            transition: all 0.2s ease;
            white-space: nowrap;
            border: 1px solid transparent;
        }
        .btn:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .btn-primary {
            background-color: var(--accent);
            color: #fff;
        }
        .btn-primary:hover {
            background-color: #ea6a0a;
        }
        .btn-primary:active {
            transform: translateY(1px);
        }
        .btn-secondary {
            background-color: transparent;
            color: var(--brand);
            border-color: rgba(14, 59, 47, 0.2);
        }
        .btn-secondary:hover {
            background-color: rgba(14, 59, 47, 0.06);
        }
        .btn-outline-light {
            background-color: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.4);
        }
        .btn-outline-light:hover {
            background-color: rgba(255, 255, 255, 0.1);
        }
        .chip {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.45rem 1rem;
            border-radius: var(--radius-full);
            font-size: 0.875rem;
            font-weight: 500;
            transition: all 0.2s ease;
            white-space: nowrap;
            background-color: rgba(14, 59, 47, 0.04);
            color: var(--mute);
            border: 1px solid var(--hairline);
            flex-shrink: 0;
        }
        .chip:hover {
            background-color: rgba(14, 59, 47, 0.08);
            color: var(--brand);
        }
        .chip-active {
            background-color: var(--brand);
            color: #fff;
            border-color: var(--brand);
        }
        .chip-active:hover {
            background-color: #0d352a;
            color: #fff;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            padding: 0.2rem 0.65rem;
            border-radius: var(--radius-full);
            font-size: 0.75rem;
            font-weight: 600;
            line-height: 1.6;
            letter-spacing: 0.01em;
            white-space: nowrap;
        }
        .badge-accent {
            background-color: rgba(249, 115, 22, 0.12);
            color: #c05621;
        }
        .badge-green {
            background-color: rgba(22, 163, 74, 0.12);
            color: #15803d;
        }
        .badge-mute {
            background-color: rgba(107, 114, 128, 0.1);
            color: #4b5563;
        }
        .badge-risk {
            background-color: rgba(220, 38, 38, 0.1);
            color: #b91c1c;
        }
        .divider {
            height: 1px;
            background-color: var(--hairline);
            width: 100%;
        }
        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            line-height: 1.3;
            color: var(--brand);
            letter-spacing: -0.01em;
            margin: 0 0 0.5rem 0;
        }
        .section-subtitle {
            font-size: 0.9375rem;
            color: var(--mute);
            margin-top: 0.5rem;
            max-width: 640px;
        }
        .header-main {
            position: sticky;
            top: 0;
            z-index: 40;
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--hairline);
            box-shadow: 0 1px 8px rgba(15, 40, 35, 0.04);
        }
        .nav-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding-top: 0.85rem;
            padding-bottom: 0.85rem;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 700;
            font-size: 1.125rem;
            color: var(--brand);
            transition: opacity 0.2s ease;
        }
        .nav-logo:hover {
            opacity: 0.85;
        }
        .nav-logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background-color: var(--brand);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.9375rem;
            flex-shrink: 0;
        }
        .nav-cta {
            flex-shrink: 0;
        }
        .nav-cta-text {
            font-size: 0.8125rem;
            padding: 0.55rem 1.1rem;
        }
        .nav-chips {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            padding-bottom: 0.75rem;
            overflow-x: auto;
            scrollbar-width: thin;
            scrollbar-color: rgba(14, 59, 47, 0.2) transparent;
            -webkit-overflow-scrolling: touch;
        }
        .nav-chips::-webkit-scrollbar {
            height: 4px;
        }
        .nav-chips::-webkit-scrollbar-thumb {
            background-color: rgba(14, 59, 47, 0.2);
            border-radius: 9999px;
        }
        .nav-chips::-webkit-scrollbar-track {
            background: transparent;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.8125rem;
            color: var(--mute);
            margin-bottom: 0.75rem;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--brandlight);
            transition: color 0.2s ease;
        }
        .breadcrumb a:hover {
            color: var(--brand);
        }
        .breadcrumb span {
            color: var(--mute);
        }
        .page-h1-banner {
            background-color: var(--card);
            border-bottom: 1px solid var(--hairline);
            padding-top: 2.5rem;
            padding-bottom: 2rem;
        }
        .page-h1-banner h1 {
            font-size: 2rem;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.01em;
            color: var(--brand);
            margin: 0 0 0.5rem 0;
        }
        .page-h1-banner p {
            font-size: 0.9375rem;
            color: var(--mute);
            margin: 0;
            max-width: 720px;
        }
        .draw-number-lg {
            font-family: 'ui-monospace', 'SFMono-Regular', 'Menlo', 'Consolas', 'monospace';
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: 0.06em;
            color: var(--brand);
            line-height: 1.3;
            word-break: break-all;
        }
        .draw-number-xs {
            font-family: 'ui-monospace', 'SFMono-Regular', 'Menlo', 'Consolas', 'monospace';
            font-size: 1.1rem;
            font-weight: 700;
            letter-spacing: 0.05em;
            color: var(--brand);
        }
        .prize-bar {
            height: 8px;
            border-radius: 9999px;
            background-color: rgba(14, 59, 47, 0.08);
            overflow: hidden;
            flex: 1;
            min-width: 60px;
        }
        .prize-bar-inner {
            height: 100%;
            border-radius: 9999px;
            background-color: var(--brandlight);
            transition: width 0.6s ease;
        }
        .prize-bar-inner.accent {
            background-color: var(--accent);
        }
        .history-item {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding: 1rem 1.25rem;
            border-radius: var(--radius-card);
            background-color: var(--card);
            border: 1px solid var(--hairline);
            transition: all 0.2s ease;
            flex-wrap: wrap;
        }
        .history-item:hover {
            border-color: rgba(15, 118, 110, 0.25);
            background-color: #FAFCFB;
        }
        .draw-status-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background-color: var(--success);
            flex-shrink: 0;
            display: inline-block;
        }
        .draw-status-dot.pending {
            background-color: var(--accent);
        }
        .draw-status-dot.closed {
            background-color: #9CA3AF;
        }
        .faq-item {
            border: 1px solid var(--hairline);
            border-radius: var(--radius-card);
            background-color: var(--card);
            overflow: hidden;
            transition: all 0.2s ease;
        }
        .faq-item:hover {
            border-color: rgba(15, 118, 110, 0.2);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 1.1rem 1.4rem;
            font-weight: 600;
            font-size: 0.9375rem;
            color: var(--ink);
            cursor: pointer;
            transition: color 0.2s ease;
            width: 100%;
            text-align: left;
            background: none;
            border: none;
        }
        .faq-question:hover {
            color: var(--brand);
        }
        .faq-question .icon {
            flex-shrink: 0;
            width: 1.5rem;
            height: 1.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background-color: rgba(14, 59, 47, 0.06);
            color: var(--brand);
            font-weight: 700;
            font-size: 1.1rem;
            transition: transform 0.3s ease;
        }
        .faq-answer {
            padding: 0 1.4rem 1.2rem;
            font-size: 0.875rem;
            color: var(--mute);
            line-height: 1.8;
        }
        .footer-main {
            background-color: var(--brand);
            color: #F0F4F2;
            padding-top: 3.5rem;
            padding-bottom: 1.5rem;
        }
        .footer-link {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.8125rem;
            transition: color 0.2s ease;
            display: inline-block;
        }
        .footer-link:hover {
            color: #fff;
        }
        .footer-copy {
            margin-top: 2.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            text-align: center;
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.4);
        }
        .tooltip-note {
            font-size: 0.75rem;
            color: var(--mute);
            margin-top: 0.5rem;
            line-height: 1.6;
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: none;
        }
        .focus-ring:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        @media (min-width: 640px) {
            .section {
                padding-top: var(--section-y);
                padding-bottom: var(--section-y);
            }
            .section-title {
                font-size: 2rem;
            }
            .page-h1-banner h1 {
                font-size: 2.4rem;
            }
            .draw-number-lg {
                font-size: 2.8rem;
            }
        }
        @media (min-width: 768px) {
            .page-h1-banner {
                padding-top: 3rem;
                padding-bottom: 2.5rem;
            }
        }
        @media (min-width: 1024px) {
            .nav-cta-text {
                font-size: 0.875rem;
                padding: 0.65rem 1.3rem;
            }
        }
        @media (max-width: 767px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .nav-row {
                padding-top: 0.65rem;
                padding-bottom: 0.65rem;
            }
            .nav-logo {
                font-size: 1rem;
            }
            .nav-logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.8125rem;
            }
            .nav-cta-text {
                font-size: 0.75rem;
                padding: 0.5rem 0.9rem;
            }
            .nav-chips {
                gap: 0.3rem;
                padding-bottom: 0.6rem;
            }
            .chip {
                padding: 0.35rem 0.8rem;
                font-size: 0.8125rem;
            }
            .draw-number-lg {
                font-size: 1.6rem;
                letter-spacing: 0.03em;
            }
            .history-item {
                padding: 0.8rem 1rem;
                gap: 0.6rem;
            }
            .faq-question {
                padding: 0.9rem 1.1rem;
                font-size: 0.875rem;
            }
            .faq-answer {
                padding: 0 1.1rem 1rem;
                font-size: 0.8125rem;
            }
            .page-h1-banner h1 {
                font-size: 1.7rem;
            }
            .page-h1-banner p {
                font-size: 0.875rem;
            }
        }
        @media (max-width: 520px) {
            .nav-row {
                flex-direction: row;
                flex-wrap: nowrap;
                gap: 0.5rem;
            }
            .nav-logo {
                font-size: 0.9375rem;
                gap: 0.35rem;
            }
            .nav-cta-text {
                font-size: 0.7rem;
                padding: 0.45rem 0.75rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .draw-number-lg {
                font-size: 1.3rem;
                letter-spacing: 0.02em;
            }
            .btn {
                padding: 0.6rem 1rem;
                font-size: 0.8125rem;
            }
            .container {
                padding-left: 14px;
                padding-right: 14px;
            }
        }

/* roulang page: category4 */
:root {
  --brand: #0E3B2F;
  --brandlight: #0F766E;
  --accent: #F97316;
  --canvas: #F7F8F6;
  --card: #FFFFFF;
  --ink: #1F2937;
  --mute: #6B7280;
  --hairline: rgba(15, 40, 35, 0.08);
  --shadow-card: 0 1px 2px rgba(15, 40, 35, 0.05), 0 8px 24px rgba(15, 40, 35, 0.06);
  --shadow-hover: 0 4px 8px rgba(15, 40, 35, 0.08), 0 16px 40px rgba(15, 40, 35, 0.12);
  --radius-card: 1rem;
  --radius-btn: 0.75rem;
  --radius-full: 9999px;
  --container-max: 1200px;
  --section-y: 5rem;
  --section-y-mobile: 2.5rem;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
  background-color: var(--canvas);
  color: var(--ink);
  line-height: 1.8;
  font-size: 16px;
  margin: 0;
}

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

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

button,
input,
select,
textarea {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.section {
  padding-top: var(--section-y-mobile);
  padding-bottom: var(--section-y-mobile);
}

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

.section-alt {
  background-color: var(--card);
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}

.section-dark {
  background-color: var(--brand);
  color: #F0F4F2;
}

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

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

.card-static {
  background-color: var(--card);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--hairline);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 1.4rem;
  border-radius: var(--radius-btn);
  font-weight: 600;
  font-size: 0.9375rem;
  transition: all 0.2s ease;
  white-space: nowrap;
  border: 1px solid transparent;
}

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

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

.btn-primary:hover {
  background-color: #ea6a0a;
}

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

.btn-secondary {
  background-color: transparent;
  color: var(--brand);
  border-color: rgba(14, 59, 47, 0.2);
}

.btn-secondary:hover {
  background-color: rgba(14, 59, 47, 0.06);
}

.btn-outline-light {
  background-color: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.4);
}

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

.chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.45rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.2s ease;
  white-space: nowrap;
  background-color: rgba(14, 59, 47, 0.04);
  color: var(--mute);
  border: 1px solid var(--hairline);
}

.chip:hover {
  background-color: rgba(14, 59, 47, 0.08);
  color: var(--brand);
}

.chip-active {
  background-color: var(--brand);
  color: #fff;
  border-color: var(--brand);
}

.chip-active:hover {
  background-color: #0d352a;
  color: #fff;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1.6;
  letter-spacing: 0.01em;
}

.badge-accent {
  background-color: rgba(249, 115, 22, 0.12);
  color: #c05621;
}

.badge-green {
  background-color: rgba(22, 163, 74, 0.12);
  color: #15803d;
}

.badge-mute {
  background-color: rgba(107, 114, 128, 0.1);
  color: #4b5563;
}

.badge-risk {
  background-color: rgba(220, 38, 38, 0.12);
  color: #b91c1c;
}

.divider {
  height: 1px;
  background-color: var(--hairline);
  width: 100%;
}

.section-title {
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--brand);
  letter-spacing: -0.01em;
}

@media (min-width: 768px) {
  .section-title {
    font-size: 2rem;
  }
}

.section-subtitle {
  font-size: 0.9375rem;
  color: var(--mute);
  margin-top: 0.5rem;
  max-width: 640px;
}

.header-main {
  position: sticky;
  top: 0;
  z-index: 40;
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--hairline);
}

.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 0.85rem;
  padding-bottom: 0.85rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--brand);
}

.nav-logo-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background-color: var(--brand);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.875rem;
}

.nav-cta {
  flex-shrink: 0;
}

.nav-cta-text {
  font-size: 0.875rem;
  padding: 0.55rem 1.2rem;
}

.nav-chips {
  display: flex;
  gap: 0.6rem;
  overflow-x: auto;
  padding-bottom: 0.7rem;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: rgba(14, 59, 47, 0.2) transparent;
}

.nav-chips::-webkit-scrollbar {
  height: 4px;
}

.nav-chips::-webkit-scrollbar-thumb {
  background-color: rgba(14, 59, 47, 0.2);
  border-radius: 4px;
}

.nav-chips .chip {
  flex-shrink: 0;
}

.footer-main {
  background-color: var(--brand);
  color: #fff;
  padding-top: 3rem;
  padding-bottom: 1.5rem;
  margin-top: 0;
}

.footer-link {
  color: rgba(255, 255, 255, 0.7);
  transition: color 0.2s ease;
  font-size: 0.875rem;
}

.footer-link:hover {
  color: #fff;
}

.footer-copy {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  margin-top: 2rem;
  padding-top: 1.5rem;
  text-align: center;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.5);
}

/* 本页特有补充样式 */
.step-item {
  position: relative;
  padding-left: 2.5rem;
  padding-bottom: 2rem;
}

.step-item:last-child {
  padding-bottom: 0;
}

.step-item::before {
  content: '';
  position: absolute;
  left: 0.75rem;
  top: 1.5rem;
  bottom: 0;
  width: 2px;
  background-color: var(--hairline);
}

.step-item:last-child::before {
  display: none;
}

.step-dot {
  position: absolute;
  left: 0;
  top: 0.25rem;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 50%;
  background-color: var(--brand);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.75rem;
  z-index: 1;
}

.term-card {
  background-color: var(--card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-card);
  padding: 1.25rem;
}

.term-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--brand);
  margin-bottom: 0.5rem;
}

.term-card p {
  font-size: 0.875rem;
  color: var(--mute);
  line-height: 1.7;
}

.risk-panel {
  background: linear-gradient(135deg, rgba(220, 38, 38, 0.05) 0%, rgba(249, 115, 22, 0.05) 100%);
  border: 1px solid rgba(220, 38, 38, 0.2);
  border-radius: 1rem;
  padding: 1.5rem;
}

.img-cover-wrapper {
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.img-cover-wrapper img {
  aspect-ratio: 16/9;
  width: 100%;
  object-fit: cover;
}

.related-list-item {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--hairline);
}

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

.related-list-item a {
  color: var(--brand);
  font-weight: 600;
  transition: color 0.2s ease;
}

.related-list-item a:hover {
  color: var(--accent);
}

.related-list-item p {
  font-size: 0.875rem;
  color: var(--mute);
  line-height: 1.7;
}

.related-list-item time {
  font-size: 0.75rem;
  color: var(--mute);
  letter-spacing: 0.02em;
}

.cta-panel {
  background-color: var(--brand);
  border-radius: 1.5rem;
  padding: 3rem 2rem;
  text-align: center;
  color: #fff;
}

.cta-panel h2 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: #fff;
}

.cta-panel p {
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 1.5rem;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

/* roulang page: category5 */
:root {
            --brand: #0E3B2F;
            --brandlight: #0F766E;
            --accent: #F97316;
            --canvas: #F7F8F6;
            --card: #FFFFFF;
            --ink: #1F2937;
            --mute: #6B7280;
            --hairline: rgba(15, 40, 35, 0.08);
            --shadow-card: 0 1px 2px rgba(15, 40, 35, 0.05), 0 8px 24px rgba(15, 40, 35, 0.06);
            --shadow-hover: 0 4px 8px rgba(15, 40, 35, 0.08), 0 16px 40px rgba(15, 40, 35, 0.12);
            --radius-card: 1rem;
            --radius-btn: 0.75rem;
            --radius-full: 9999px;
            --container-max: 1200px;
            --section-y: 5rem;
            --section-y-mobile: 2.5rem;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            background-color: var(--canvas);
            color: var(--ink);
            line-height: 1.8;
            font-size: 16px;
            margin: 0;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        img {
            display: block;
            max-width: 100%;
            height: auto;
            object-fit: cover;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .section {
            padding-top: var(--section-y);
            padding-bottom: var(--section-y);
        }
        .section-alt {
            background-color: var(--card);
            border-top: 1px solid var(--hairline);
            border-bottom: 1px solid var(--hairline);
        }
        .section-dark {
            background-color: var(--brand);
            color: #F0F4F2;
        }
        .card {
            background-color: var(--card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--hairline);
            transition: box-shadow 0.25s ease, transform 0.25s ease;
        }
        .card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .card-static {
            background-color: var(--card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--hairline);
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.7rem 1.4rem;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.9375rem;
            transition: all 0.2s ease;
            white-space: nowrap;
            border: 1px solid transparent;
        }
        .btn:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .btn-primary {
            background-color: var(--accent);
            color: #fff;
        }
        .btn-primary:hover {
            background-color: #ea6a0a;
        }
        .btn-primary:active {
            transform: translateY(1px);
        }
        .btn-secondary {
            background-color: transparent;
            color: var(--brand);
            border-color: rgba(14, 59, 47, 0.2);
        }
        .btn-secondary:hover {
            background-color: rgba(14, 59, 47, 0.06);
        }
        .btn-outline-light {
            background-color: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.4);
        }
        .btn-outline-light:hover {
            background-color: rgba(255, 255, 255, 0.1);
        }
        .chip {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.45rem 1rem;
            border-radius: var(--radius-full);
            font-size: 0.875rem;
            font-weight: 500;
            transition: all 0.2s ease;
            white-space: nowrap;
            background-color: rgba(14, 59, 47, 0.04);
            color: var(--mute);
            border: 1px solid var(--hairline);
        }
        .chip:hover {
            background-color: rgba(14, 59, 47, 0.08);
            color: var(--brand);
        }
        .chip-active {
            background-color: var(--brand);
            color: #fff;
            border-color: var(--brand);
        }
        .chip-active:hover {
            background-color: #0d352a;
            color: #fff;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            padding: 0.2rem 0.65rem;
            border-radius: var(--radius-full);
            font-size: 0.75rem;
            font-weight: 600;
            line-height: 1.6;
            letter-spacing: 0.01em;
        }
        .badge-accent {
            background-color: rgba(249, 115, 22, 0.12);
            color: #c05621;
        }
        .badge-green {
            background-color: rgba(22, 163, 74, 0.12);
            color: #15803d;
        }
        .badge-mute {
            background-color: rgba(107, 114, 128, 0.1);
            color: #4b5563;
        }
        .divider {
            height: 1px;
            background-color: var(--hairline);
            width: 100%;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            line-height: 1.3;
            color: var(--brand);
            letter-spacing: -0.01em;
        }
        .section-subtitle {
            font-size: 0.9375rem;
            color: var(--mute);
            margin-top: 0.5rem;
            max-width: 640px;
        }
        .header-main {
            position: sticky;
            top: 0;
            z-index: 40;
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--hairline);
        }
        .nav-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 700;
            font-size: 1.125rem;
            color: var(--brand);
        }
        .nav-logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background-color: var(--brand);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.875rem;
        }
        .nav-cta {
            padding: 0.5rem 1.25rem;
            font-size: 0.875rem;
        }
        .nav-chips {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            overflow-x: auto;
            padding-top: 0.5rem;
            padding-bottom: 0.75rem;
            scrollbar-width: thin;
            scrollbar-color: var(--brandlight) transparent;
        }
        .nav-chips::-webkit-scrollbar {
            height: 4px;
        }
        .nav-chips::-webkit-scrollbar-thumb {
            background-color: var(--brandlight);
            border-radius: var(--radius-full);
        }
        .nav-chips::-webkit-scrollbar-track {
            background: transparent;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.8125rem;
            color: var(--mute);
            margin-bottom: 1rem;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--mute);
            transition: color 0.2s;
        }
        .breadcrumb a:hover {
            color: var(--brand);
        }
        .breadcrumb .current {
            color: var(--brand);
            font-weight: 600;
        }
        .breadcrumb-separator {
            color: var(--mute);
            font-size: 0.7rem;
        }
        .narrow-hero {
            background: linear-gradient(135deg, #0E3B2F 0%, #0F766E 100%);
            color: #fff;
            padding: 3.5rem 0 3rem;
            position: relative;
            overflow: hidden;
        }
        .narrow-hero::after {
            content: '';
            position: absolute;
            right: -60px;
            top: -60px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: rgba(249, 115, 22, 0.15);
            pointer-events: none;
        }
        .narrow-hero::before {
            content: '';
            position: absolute;
            right: 120px;
            bottom: -80px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            pointer-events: none;
        }
        .narrow-hero h1 {
            font-size: 2.25rem;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.01em;
            margin: 0;
            position: relative;
            z-index: 1;
        }
        .narrow-hero .hero-subtitle {
            font-size: 0.9375rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 560px;
            margin-top: 0.75rem;
            position: relative;
            z-index: 1;
        }
        .featured-card {
            border-radius: var(--radius-card);
            overflow: hidden;
            background: var(--card);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--hairline);
            transition: box-shadow 0.25s ease, transform 0.25s ease;
            display: flex;
            flex-direction: column;
        }
        .featured-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .featured-card-image {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
        }
        .featured-card-body {
            padding: 1.25rem 1.5rem 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .featured-card-title {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--brand);
            line-height: 1.4;
            margin: 0 0 0.5rem;
        }
        .featured-card-excerpt {
            font-size: 0.875rem;
            color: var(--mute);
            flex: 1;
            margin: 0 0 1rem;
        }
        .topic-list-item {
            display: flex;
            gap: 1rem;
            padding: 1.25rem 0;
            border-bottom: 1px solid var(--hairline);
            align-items: flex-start;
        }
        .topic-list-item:last-child {
            border-bottom: none;
        }
        .topic-list-thumb {
            width: 96px;
            height: 72px;
            border-radius: 10px;
            object-fit: cover;
            flex-shrink: 0;
        }
        .topic-list-info {
            flex: 1;
            min-width: 0;
        }
        .topic-list-title {
            font-weight: 600;
            color: var(--brand);
            font-size: 0.9375rem;
            line-height: 1.5;
            margin: 0 0 0.25rem;
        }
        .topic-list-title:hover {
            color: var(--brandlight);
        }
        .topic-list-meta {
            font-size: 0.75rem;
            color: var(--mute);
            display: flex;
            gap: 0.75rem;
            flex-wrap: wrap;
        }
        .topic-list-excerpt {
            font-size: 0.8125rem;
            color: var(--mute);
            margin: 0.35rem 0 0;
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .data-float {
            background: var(--brand);
            border-radius: var(--radius-card);
            padding: 1.5rem 2rem;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            color: #fff;
        }
        .data-float-item {
            text-align: center;
        }
        .data-float-value {
            font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
            font-size: 2.25rem;
            font-weight: 700;
            line-height: 1.2;
            color: var(--accent);
            letter-spacing: -0.02em;
        }
        .data-float-label {
            font-size: 0.8125rem;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 0.25rem;
        }
        .discuss-item {
            display: flex;
            gap: 1rem;
            padding: 1.25rem 0;
            border-bottom: 1px solid var(--hairline);
        }
        .discuss-item:last-child {
            border-bottom: none;
        }
        .discuss-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--brand) 0%, var(--brandlight) 100%);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            font-size: 0.8125rem;
            flex-shrink: 0;
        }
        .discuss-body {
            flex: 1;
        }
        .discuss-user {
            font-weight: 600;
            color: var(--brand);
            font-size: 0.875rem;
        }
        .discuss-text {
            font-size: 0.875rem;
            color: var(--ink);
            margin-top: 0.25rem;
            line-height: 1.7;
        }
        .discuss-time {
            font-size: 0.75rem;
            color: var(--mute);
            margin-top: 0.35rem;
        }
        .faq-item {
            border: 1px solid var(--hairline);
            border-radius: 12px;
            margin-bottom: 0.75rem;
            overflow: hidden;
            background: var(--card);
            transition: border-color 0.2s;
        }
        .faq-item:hover {
            border-color: rgba(15, 118, 110, 0.3);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 1rem 1.25rem;
            font-weight: 600;
            color: var(--brand);
            font-size: 0.9375rem;
            text-align: left;
            background: none;
            border: none;
            cursor: pointer;
            transition: background-color 0.2s;
        }
        .faq-question:hover {
            background-color: rgba(14, 59, 47, 0.03);
        }
        .faq-question:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: -2px;
        }
        .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(14, 59, 47, 0.06);
            color: var(--brand);
            font-weight: 700;
            font-size: 1rem;
            transition: transform 0.25s;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            padding: 0 1.25rem;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 1.25rem 1.25rem;
        }
        .faq-answer p {
            font-size: 0.875rem;
            color: var(--mute);
            line-height: 1.8;
            margin: 0;
            border-top: 1px solid var(--hairline);
            padding-top: 0.75rem;
        }
        .subsection-cta {
            background: linear-gradient(135deg, #0E3B2F 0%, #0F766E 60%, #0D352A 100%);
            border-radius: var(--radius-card);
            padding: 3rem 2.5rem;
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 2rem;
            align-items: center;
            color: #fff;
        }
        .subsection-cta-title {
            font-size: 1.5rem;
            font-weight: 700;
            margin: 0 0 0.5rem;
        }
        .subsection-cta-text {
            font-size: 0.9375rem;
            color: rgba(255, 255, 255, 0.7);
            margin: 0;
        }
        .editor-pick {
            display: flex;
            gap: 1rem;
            padding: 1.25rem;
            background: var(--card);
            border-radius: 12px;
            border: 1px solid var(--hairline);
            transition: box-shadow 0.25s ease, transform 0.25s ease;
            align-items: center;
        }
        .editor-pick:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .editor-pick-index {
            font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--accent);
            flex-shrink: 0;
            width: 40px;
            text-align: center;
        }
        .editor-pick-body {
            flex: 1;
            min-width: 0;
        }
        .editor-pick-title {
            font-weight: 600;
            font-size: 0.9375rem;
            color: var(--brand);
            margin: 0 0 0.25rem;
            line-height: 1.5;
        }
        .editor-pick-meta {
            font-size: 0.75rem;
            color: var(--mute);
        }
        .footer-main {
            background-color: #0B2E24;
            color: rgba(255, 255, 255, 0.6);
            padding: 3rem 0 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-link {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.8125rem;
            transition: color 0.2s;
        }
        .footer-link:hover {
            color: #fff;
        }
        .footer-copy {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 2rem;
            padding-top: 1.25rem;
            text-align: center;
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.4);
        }
        @media (max-width: 1024px) {
            .data-float {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.25rem;
                padding: 1.25rem 1.5rem;
            }
            .subsection-cta {
                grid-template-columns: 1fr;
                text-align: center;
                padding: 2rem 1.5rem;
            }
            .subsection-cta .btn {
                justify-self: center;
            }
        }
        @media (max-width: 768px) {
            .section {
                padding-top: 2.5rem;
                padding-bottom: 2.5rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .narrow-hero {
                padding: 2.5rem 0 2rem;
            }
            .narrow-hero h1 {
                font-size: 1.75rem;
            }
            .data-float {
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
                padding: 1rem 1.25rem;
            }
            .data-float-value {
                font-size: 1.75rem;
            }
            .topic-list-thumb {
                width: 72px;
                height: 54px;
            }
            .subsection-cta {
                padding: 1.75rem 1.25rem;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .nav-cta-text {
                font-size: 0.8125rem;
                padding: 0.45rem 1rem;
            }
            .data-float {
                grid-template-columns: 1fr 1fr;
                gap: 0.75rem;
            }
            .data-float-value {
                font-size: 1.5rem;
            }
            .featured-card-body {
                padding: 1rem 1.25rem 1.25rem;
            }
            .editor-pick {
                padding: 1rem;
                flex-direction: column;
                align-items: flex-start;
            }
            .editor-pick-index {
                width: auto;
            }
            .faq-question {
                padding: 0.875rem 1rem;
                font-size: 0.875rem;
            }
            .faq-answer {
                padding: 0 1rem;
            }
            .faq-item.open .faq-answer {
                padding: 0 1rem 1rem;
            }
        }