/* roulang page: index */
:root {
            --primary: #0F2A23;
            --primary-dark: #0A1F18;
            --primary-hover: #173D32;
            --gold: #C6A75B;
            --gold-light: #D4B873;
            --gold-dark: #A8863F;
            --cream: #F7F4EE;
            --cream-light: #FAF8F3;
            --ink: #1F2A24;
            --ink-soft: #5A6B62;
            --ink-mute: #8A968F;
            --line: #E5DFD3;
            --success: #2E7D5B;
            --issue: #B5473A;
            --radius-card: 16px;
            --shadow-card: 0 2px 10px rgba(15, 42, 35, 0.04);
            --shadow-hover: 0 20px 40px rgba(15, 42, 35, 0.10);
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
            color: var(--ink);
            background-color: var(--cream);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease;
        }

        button {
            border: none;
            background: none;
            cursor: pointer;
            font-family: inherit;
        }

        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }

        @media (min-width: 768px) {
            .container-custom {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--gold-dark);
            font-size: 14px;
            font-weight: 500;
            letter-spacing: 0.08em;
            text-transform: uppercase;
        }

        .section-label::before {
            content: "";
            display: block;
            width: 16px;
            height: 1px;
            background-color: var(--gold);
        }

        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 9999px;
            background-color: var(--gold);
            color: var(--primary-dark);
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.02em;
            transition: all 0.2s ease;
            box-shadow: 0 4px 15px rgba(198, 167, 91, 0.25);
        }

        .btn-primary-custom:hover {
            background-color: var(--gold-light);
            transform: translateY(-2px);
            box-shadow: 0 10px 25px rgba(198, 167, 91, 0.35);
        }

        .btn-primary-custom:active {
            transform: translateY(0);
            box-shadow: 0 4px 10px rgba(198, 167, 91, 0.2);
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 9999px;
            border: 1px solid rgba(255, 255, 255, 0.5);
            color: #fff;
            font-size: 15px;
            font-weight: 500;
            transition: all 0.2s ease;
            background: transparent;
        }

        .btn-outline-light:hover {
            background-color: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.8);
        }

        .nav-link-custom {
            position: relative;
            display: inline-block;
            padding: 8px 4px;
            font-size: 14px;
            font-weight: 500;
            color: var(--ink);
            transition: color 0.2s ease;
        }

        .nav-link-custom:hover {
            color: var(--gold-dark);
        }

        .nav-link-custom.active {
            color: var(--primary);
        }

        .nav-link-custom.active::after {
            content: "";
            position: absolute;
            bottom: 2px;
            left: 0;
            width: 100%;
            height: 1px;
            background-color: var(--gold);
        }

        .card-hover {
            transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
        }

        .card-hover:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--gold);
        }

        .badge-gold {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 3px 10px;
            background-color: rgba(198, 167, 91, 0.12);
            color: var(--gold-dark);
            font-size: 12px;
            font-weight: 500;
            border-radius: 9999px;
            border: 1px solid rgba(198, 167, 91, 0.25);
        }

        .table-compare {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            border: 1px solid var(--line);
            border-radius: 16px;
            overflow: hidden;
        }

        .table-compare th,
        .table-compare td {
            padding: 14px 18px;
            text-align: left;
            font-size: 14px;
            border-bottom: 1px solid var(--line);
        }

        .table-compare th {
            background-color: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            letter-spacing: 0.02em;
        }

        .table-compare td {
            background-color: #fff;
            color: var(--ink-soft);
        }

        .table-compare tr:last-child th,
        .table-compare tr:last-child td {
            border-bottom: none;
        }

        .table-compare .recommended-col {
            background-color: rgba(198, 167, 91, 0.06);
            border-left: 2px solid var(--gold);
            border-right: 2px solid var(--gold);
        }

        .table-compare .recommended-header {
            background-color: var(--primary-hover);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }

        .faq-item {
            border-bottom: 1px solid var(--line);
        }

        .faq-item:first-child {
            border-top: 1px solid var(--line);
        }

        .faq-question-btn {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: 20px 4px;
            text-align: left;
            font-size: 16px;
            font-weight: 500;
            color: var(--ink);
            transition: color 0.2s ease;
        }

        .faq-question-btn:hover {
            color: var(--gold-dark);
        }

        .faq-item.active .faq-question-btn {
            color: var(--gold-dark);
        }

        .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--gold);
            font-size: 20px;
            font-weight: 300;
            transition: transform 0.3s ease;
            line-height: 1;
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer-inner {
            padding: 0 24px 20px 4px;
            font-size: 15px;
            line-height: 1.8;
            color: var(--ink-soft);
        }

        .news-item {
            display: flex;
            flex-wrap: wrap;
            align-items: flex-start;
            gap: 16px;
            padding: 24px 8px;
            border-bottom: 1px solid var(--line);
            transition: background-color 0.2s ease;
        }

        .news-item:hover {
            background-color: rgba(198, 167, 91, 0.03);
        }

        .news-item:first-child {
            border-top: 1px solid var(--line);
        }

        .news-date-col {
            flex: 0 0 auto;
            width: 140px;
        }

        @media (max-width: 640px) {
            .news-date-col {
                width: 100%;
            }
        }

        .gold-ring {
            border: 1px solid rgba(198, 167, 91, 0.4);
            border-radius: 16px;
            position: relative;
        }

        .gold-ring::before {
            content: "";
            position: absolute;
            top: -1px;
            right: -1px;
            width: 28px;
            height: 28px;
            border-top: 2px solid var(--gold);
            border-right: 2px solid var(--gold);
            border-top-right-radius: 16px;
        }

        .num-marker {
            font-feature-settings: "tnum";
            font-weight: 600;
            color: var(--gold);
        }

        .dot-gold {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background-color: var(--gold);
            flex-shrink: 0;
            display: inline-block;
            margin-top: 10px;
        }

        .table-compare .detail-col {
            background-color: #fbfaf7;
        }

        @media (max-width: 767px) {
            .table-compare-wrap {
                display: none;
            }
        }

        @media (min-width: 768px) {
            .mobile-compare-cards {
                display: none;
            }
        }

/* roulang page: category1 */
:root {
      --primary: #0F2A23;
      --primary-dark: #0A1F18;
      --gold: #C6A75B;
      --gold-light: #D4B873;
      --gold-dark: #A8863F;
      --cream: #F7F4EE;
      --cream-light: #FAF8F3;
      --ink: #1F2A24;
      --muted: #5A6B62;
      --faint: #8A968F;
      --line: #E5DFD3;
      --radius-card: 16px;
      --shadow-card: 0 1px 3px rgba(15, 42, 35, 0.06);
      --shadow-hover: 0 12px 32px rgba(15, 42, 35, 0.12);
    }

    *,
    *::before,
    *::after {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
      background: #FFFFFF;
      color: var(--ink);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }

    img {
      max-width: 100%;
      display: block;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

    button {
      font-family: inherit;
      cursor: pointer;
    }

    input,
    textarea {
      font-family: inherit;
    }

    .container-custom {
      width: 100%;
      max-width: 1280px;
      margin: 0 auto;
      padding-left: 1rem;
      padding-right: 1rem;
    }

    @media (min-width: 768px) {
      .container-custom {
        padding-left: 1.5rem;
        padding-right: 1.5rem;
      }
    }

    .nav-link-custom {
      position: relative;
      font-size: 0.875rem;
      font-weight: 500;
      color: var(--ink);
      padding: 0.25rem 0;
      transition: color 0.2s ease;
    }

    .nav-link-custom:hover {
      color: var(--gold-dark);
    }

    .nav-link-custom.active {
      color: var(--gold-dark);
    }

    .nav-link-custom.active::after {
      content: "";
      position: absolute;
      left: 0;
      right: 0;
      bottom: -2px;
      height: 1px;
      background: var(--gold);
    }

    .btn-gold-solid {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 0.5rem;
      background: var(--gold);
      color: var(--primary-dark);
      font-weight: 600;
      font-size: 0.875rem;
      padding: 0.75rem 1.75rem;
      border-radius: 9999px;
      border: 1px solid transparent;
      transition: all 0.2s ease;
    }

    .btn-gold-solid:hover {
      background: var(--gold-light);
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(198, 167, 91, 0.3);
    }

    .btn-gold-solid:active {
      transform: translateY(0);
    }

    .btn-gold-outline {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: transparent;
      color: var(--gold);
      font-weight: 500;
      font-size: 0.875rem;
      padding: 0.625rem 1.5rem;
      border-radius: 9999px;
      border: 1px solid var(--gold);
      transition: all 0.2s ease;
    }

    .btn-gold-outline:hover {
      background: var(--gold);
      color: var(--primary-dark);
    }

    .btn-white-outline {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: transparent;
      color: #FFFFFF;
      font-weight: 500;
      font-size: 0.875rem;
      padding: 0.75rem 1.75rem;
      border-radius: 9999px;
      border: 1px solid rgba(255, 255, 255, 0.7);
      transition: all 0.2s ease;
    }

    .btn-white-outline:hover {
      background: rgba(255, 255, 255, 0.1);
      border-color: var(--gold-light);
      color: var(--gold-light);
    }

    .section-tag {
      display: inline-flex;
      align-items: center;
      gap: 0.625rem;
      font-size: 0.875rem;
      font-weight: 500;
      color: var(--gold-dark);
      margin-bottom: 0.75rem;
    }

    .section-tag::before {
      content: "";
      width: 16px;
      height: 1px;
      background: var(--gold);
      display: inline-block;
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease;
    }

    .faq-item.open .faq-answer {
      max-height: 240px;
    }

    .faq-item.open .faq-icon {
      transform: rotate(45deg);
    }

    .faq-icon {
      transition: transform 0.3s ease;
    }

    .feature-dot {
      width: 8px;
      height: 8px;
      border-radius: 9999px;
      background: var(--gold);
      flex-shrink: 0;
      margin-top: 0.6rem;
    }

    .number-prefix {
      font-feature-settings: "tnum";
      font-variant-numeric: tabular-nums;
    }

    .link-underline {
      position: relative;
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      font-weight: 500;
      transition: color 0.2s ease;
    }

    .link-underline:hover {
      color: var(--gold-dark);
    }

    .link-underline:hover::after {
      width: 100%;
    }

    .link-underline::after {
      content: "";
      position: absolute;
      bottom: -2px;
      left: 0;
      height: 1px;
      width: 0;
      background: var(--gold);
      transition: width 0.25s ease;
    }

    .card-lift {
      transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
    }

    .card-lift:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: var(--gold);
    }

    .icon-btn {
      width: 40px;
      height: 40px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 9999px;
      transition: background 0.2s ease, color 0.2s ease;
    }

    .icon-btn:hover {
      background: rgba(198, 167, 91, 0.12);
      color: var(--gold);
    }

/* roulang page: article */
:root {
            --primary: #0F2A23;
            --primary-dark: #0A1F18;
            --primary-hover: #173D32;
            --gold: #C6A75B;
            --gold-light: #D4B873;
            --gold-dark: #A8863F;
            --cream: #F7F4EE;
            --cream-light: #FAF8F3;
            --ink: #1F2A24;
            --secondary: #5A6B62;
            --muted: #8A968F;
            --line: #E5DFD3;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
            color: var(--ink);
            background: var(--cream);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            height: auto;
        }

        a {
            text-decoration: none;
            color: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
            font-family: inherit;
        }

        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }

        @media (min-width: 768px) {
            .container-custom {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }

        .nav-link-custom {
            position: relative;
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--ink);
            padding: 0.25rem 0;
            transition: color 0.2s ease;
        }

        .nav-link-custom:hover {
            color: var(--gold);
        }

        .nav-link-custom::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -3px;
            width: 100%;
            height: 1px;
            background: var(--gold);
            transform: scaleX(0);
            transform-origin: left center;
            transition: transform 0.25s ease;
        }

        .nav-link-custom:hover::after,
        .nav-link-custom.active::after {
            transform: scaleX(1);
        }

        .nav-link-custom.active {
            color: var(--primary);
        }

        .article-body {
            font-size: 1.0625rem;
            line-height: 2;
            color: var(--ink);
            word-break: break-word;
        }

        .article-body p {
            margin-bottom: 1.5rem;
        }

        .article-body h2 {
            font-size: 1.625rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.01em;
            margin: 3rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid var(--line);
        }

        .article-body h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--primary);
            margin: 2.25rem 0 0.75rem;
        }

        .article-body h4 {
            font-size: 1.0625rem;
            font-weight: 600;
            color: var(--primary);
            margin: 1.75rem 0 0.5rem;
        }

        .article-body ul {
            list-style: none;
            margin: 1.5rem 0;
            padding: 0;
        }

        .article-body ul li {
            position: relative;
            padding-left: 1.5rem;
            margin-bottom: 0.75rem;
        }

        .article-body ul li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0.75em;
            width: 6px;
            height: 6px;
            border-radius: 9999px;
            background: var(--gold);
        }

        .article-body ol {
            list-style: none;
            counter-reset: article-ol;
            margin: 1.5rem 0;
            padding: 0;
        }

        .article-body ol li {
            counter-increment: article-ol;
            position: relative;
            padding-left: 2.25rem;
            margin-bottom: 0.75rem;
        }

        .article-body ol li::before {
            content: counter(article-ol) ".";
            position: absolute;
            left: 0;
            top: 0;
            font-weight: 700;
            color: var(--gold-dark);
        }

        .article-body blockquote {
            border-left: 4px solid var(--gold);
            background: var(--cream-light);
            padding: 1.25rem 1.5rem;
            margin: 2rem 0;
            border-radius: 0 1rem 1rem 0;
            color: var(--primary);
            font-size: 1rem;
        }

        .article-body blockquote p:last-child {
            margin-bottom: 0;
        }

        .article-body img {
            border-radius: 1rem;
            margin: 2rem auto;
            box-shadow: 0 4px 20px rgba(15, 42, 35, 0.08);
        }

        .article-body img + em,
        .article-body figcaption {
            display: block;
            text-align: center;
            font-size: 0.8125rem;
            color: var(--muted);
            margin-top: -1.25rem;
            margin-bottom: 2rem;
            font-style: normal;
        }

        .article-body hr {
            border: 0;
            border-top: 1px solid var(--line);
            margin: 3rem auto;
            max-width: 60%;
        }

        .article-body a {
            color: var(--gold-dark);
            border-bottom: 1px solid rgba(168, 134, 63, 0.35);
            transition: color 0.2s ease, border-color 0.2s ease;
        }

        .article-body a:hover {
            color: var(--gold);
            border-bottom-color: var(--gold);
        }

        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 2rem 0;
            font-size: 0.9375rem;
            line-height: 1.6;
        }

        .article-body th,
        .article-body td {
            border: 1px solid var(--line);
            padding: 0.75rem 1rem;
            text-align: left;
            vertical-align: top;
        }

        .article-body th {
            background: var(--primary);
            color: #ffffff;
            font-weight: 600;
        }

        .article-body tr:nth-child(even) td {
            background: var(--cream-light);
        }

        .line-clamp-1 {
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .line-clamp-2 {
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        @media (max-width: 639px) {
            .article-body {
                font-size: 1rem;
                line-height: 1.9;
            }
            .article-body h2 {
                font-size: 1.375rem;
            }
            .article-body h3 {
                font-size: 1.125rem;
            }
        }

        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--gold);
            outline-offset: 2px;
            border-radius: 4px;
        }

/* roulang page: category2 */
:root {
            --color-primary: #0F2A23;
            --color-primary-dark: #0A1F18;
            --color-primary-light: #173D32;
            --color-gold: #C6A75B;
            --color-gold-light: #D4B873;
            --color-gold-dark: #A8863F;
            --color-cream: #F7F4EE;
            --color-cream-light: #FAF8F3;
            --color-ink: #1F2A24;
            --color-ink-secondary: #5A6B62;
            --color-ink-muted: #8A968F;
            --color-line: #E5DFD3;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
            background: var(--color-cream-light);
            color: var(--color-ink);
            -webkit-font-smoothing: antialiased;
            text-rendering: optimizeLegibility;
        }

        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }

        @media (min-width: 768px) {
            .container-custom {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }

        .nav-link-custom {
            position: relative;
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--color-ink);
            letter-spacing: 0.01em;
            padding: 0.375rem 0;
            transition: color 0.2s ease;
        }

        .nav-link-custom::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 1px;
            background-color: var(--color-gold);
            transition: width 0.25s ease;
        }

        .nav-link-custom:hover {
            color: var(--color-gold-dark);
        }

        .nav-link-custom:hover::after,
        .nav-link-custom.active::after {
            width: 100%;
        }

        .nav-link-custom.active {
            color: var(--color-gold-dark);
        }

        .texture-light {
            background-image: radial-gradient(var(--color-line) 0.5px, transparent 0.5px);
            background-size: 18px 18px;
        }

        .gold-divider {
            width: 52px;
            height: 2px;
            background: linear-gradient(90deg, var(--color-gold), var(--color-gold-light));
            border-radius: 2px;
        }

        .btn-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background: var(--color-gold);
            color: var(--color-primary-dark);
            font-weight: 600;
            border-radius: 9999px;
            padding: 0.75rem 1.75rem;
            font-size: 0.9375rem;
            transition: all 0.2s ease;
            white-space: nowrap;
        }

        .btn-gold:hover {
            background: var(--color-gold-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(198, 167, 91, 0.25);
        }

        .btn-gold:active {
            transform: translateY(0);
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            border: 1px solid rgba(255, 255, 255, 0.7);
            color: #fff;
            font-weight: 500;
            border-radius: 9999px;
            padding: 0.75rem 1.75rem;
            font-size: 0.9375rem;
            transition: all 0.2s ease;
            white-space: nowrap;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--color-gold-light);
            color: var(--color-gold-light);
        }

        .btn-outline-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            border: 1px solid var(--color-gold);
            color: var(--color-gold-dark);
            font-weight: 500;
            border-radius: 9999px;
            padding: 0.65rem 1.5rem;
            font-size: 0.875rem;
            transition: all 0.2s ease;
            white-space: nowrap;
        }

        .btn-outline-gold:hover {
            background: var(--color-gold);
            color: var(--color-primary-dark);
        }

        .card-hover {
            transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
        }

        .card-hover:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 32px rgba(15, 42, 35, 0.08);
            border-color: var(--color-gold);
        }

        .section-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 52px;
            height: 52px;
            border-radius: 12px;
            background: var(--color-cream);
            border: 1px solid var(--color-line);
            color: var(--color-gold-dark);
            font-size: 1.125rem;
            font-weight: 700;
            font-feature-settings: "tnum";
            letter-spacing: 0.02em;
            transition: all 0.2s ease;
        }

        .section-num:hover {
            background: var(--color-gold);
            color: var(--color-primary-dark);
            border-color: var(--color-gold);
        }

        .gold-step-number {
            font-size: 2.25rem;
            font-weight: 700;
            color: var(--color-gold);
            line-height: 1;
            letter-spacing: 0.02em;
            font-feature-settings: "tnum";
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, opacity 0.3s ease;
            opacity: 0;
        }

        .faq-item.open .faq-answer {
            max-height: 500px;
            opacity: 1;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }

        .faq-icon {
            transition: transform 0.3s ease;
        }

        .mobile-nav {
            display: none;
        }

        .mobile-nav.open {
            display: block;
        }

        @media (max-width: 767px) {
            .nav-link-custom {
                font-size: 1rem;
                padding: 0.75rem 0;
                width: 100%;
            }

            .nav-link-custom::after {
                display: none;
            }
        }

        .img-frame {
            border: 1px solid var(--color-line);
            border-radius: 1rem;
            overflow: hidden;
            position: relative;
        }

        .img-frame::after {
            content: "";
            position: absolute;
            top: 12px;
            right: -2px;
            width: 64px;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--color-gold));
            border-radius: 2px;
        }
