/* roulang page: index */
:root {
      --brand-primary: #0F766E;
      --brand-primary-hover: #0D9488;
      --brand-secondary: #14B8A6;
      --brand-light: #F0FDFA;
      --brand-accent: #F59E0B;
      --brand-dark: #0F172A;
      --brand-muted: #475569;
      --brand-border: #E2E8F0;
      --brand-bg: #F8FAFC;
      --brand-card-shadow: 0 4px 20px -2px rgba(15, 118, 110, 0.05);
      --brand-card-hover-shadow: 0 14px 28px -4px rgba(15, 118, 110, 0.12);
      --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
    }

    body {
      font-family: var(--font-stack);
      background-color: var(--brand-bg);
      color: var(--brand-dark);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
    }

    a {
      text-decoration: none;
      transition: all 0.25s ease-in-out;
    }

    .site-navbar {
      background: linear-gradient(135deg, #0F766E 0%, #115E59 100%);
      box-shadow: 0 4px 18px rgba(17, 94, 89, 0.15);
      padding: 0.85rem 0;
    }
    .site-brand {
      color: #FFFFFF !important;
      font-weight: 700;
      font-size: 1.25rem;
      letter-spacing: -0.02em;
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
    }
    .site-nav-link {
      color: rgba(255, 255, 255, 0.88) !important;
      font-size: 0.95rem;
      font-weight: 500;
      padding: 0.5rem 1rem !important;
      border-radius: 9999px;
      transition: all 0.2s ease;
    }
    .site-nav-link:hover, .site-nav-link.active {
      color: #FFFFFF !important;
      background-color: rgba(255, 255, 255, 0.15);
    }
    .btn-brand-accent {
      background-color: #FFFFFF;
      color: var(--brand-primary) !important;
      font-weight: 600;
      border-radius: 9999px;
      padding: 0.55rem 1.35rem;
      border: 1px solid rgba(255, 255, 255, 0.4);
      transition: all 0.2s ease;
    }
    .btn-brand-accent:hover {
      background-color: var(--brand-light);
      color: var(--brand-primary-hover) !important;
      transform: translateY(-2px);
      box-shadow: 0 6px 16px rgba(0, 0, 0, 0.1);
    }

    .section-wrap {
      padding: 5rem 0;
      border-bottom: 1px solid rgba(226, 232, 240, 0.7);
    }
    .section-head {
      margin-bottom: 3rem;
    }
    .section-tag {
      display: inline-block;
      padding: 0.3rem 0.85rem;
      font-size: 0.8rem;
      font-weight: 600;
      color: var(--brand-primary);
      background-color: var(--brand-light);
      border: 1px solid rgba(20, 184, 166, 0.25);
      border-radius: 9999px;
      margin-bottom: 0.75rem;
    }
    .section-title {
      font-size: 2rem;
      font-weight: 700;
      color: var(--brand-dark);
      letter-spacing: -0.02em;
      margin-bottom: 0.85rem;
    }
    .section-desc {
      font-size: 1rem;
      color: var(--brand-muted);
      max-width: 760px;
      margin: 0 auto;
    }

    .med-card {
      background: #FFFFFF;
      border: 1px solid var(--brand-border);
      border-radius: 14px;
      padding: 1.75rem;
      box-shadow: var(--brand-card-shadow);
      transition: all 0.25s ease-in-out;
      height: 100%;
      position: relative;
    }
    .med-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--brand-card-hover-shadow);
      border-color: rgba(15, 118, 110, 0.3);
    }

    .med-metric-chip {
      display: inline-flex;
      align-items: center;
      gap: 0.35rem;
      font-size: 0.75rem;
      padding: 0.2rem 0.6rem;
      border-radius: 6px;
      background: #F1F5F9;
      color: #334155;
      font-weight: 500;
    }

    .med-table {
      width: 100%;
      margin: 0.75rem 0 0;
      font-size: 0.825rem;
    }
    .med-table tr {
      border-bottom: 1px dashed var(--brand-border);
    }
    .med-table tr:last-child {
      border-bottom: none;
    }
    .med-table td {
      padding: 0.4rem 0;
      color: var(--brand-muted);
    }
    .med-table td.val {
      text-align: right;
      font-weight: 600;
      color: var(--brand-dark);
    }

    .btn-solid-brand {
      background-color: var(--brand-primary);
      color: #FFFFFF !important;
      font-weight: 600;
      border-radius: 9999px;
      padding: 0.65rem 1.6rem;
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      border: none;
      transition: all 0.2s ease;
    }
    .btn-solid-brand:hover {
      background-color: var(--brand-primary-hover);
      transform: translateY(-2px);
      box-shadow: 0 6px 18px rgba(15, 118, 110, 0.25);
    }
    .btn-outline-brand {
      background-color: transparent;
      color: var(--brand-primary) !important;
      border: 1px solid var(--brand-primary);
      font-weight: 600;
      border-radius: 9999px;
      padding: 0.65rem 1.6rem;
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      transition: all 0.2s ease;
    }
    .btn-outline-brand:hover {
      background-color: var(--brand-light);
      transform: translateY(-2px);
    }

    .site-footer {
      background-color: #0B132B;
      color: #94A3B8;
      padding: 4.5rem 0 2rem;
      font-size: 0.9rem;
    }
    .footer-brand {
      color: #FFFFFF;
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 1rem;
      display: inline-block;
    }
    .footer-heading {
      color: #F8FAFC;
      font-size: 1rem;
      font-weight: 600;
      margin-bottom: 1.25rem;
    }
    .footer-nav {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .footer-nav li {
      margin-bottom: 0.6rem;
    }
    .footer-nav a {
      color: #94A3B8;
      transition: color 0.2s ease;
    }
    .footer-nav a:hover {
      color: #2DD4BF;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      margin-top: 3.5rem;
      padding-top: 1.75rem;
      text-align: center;
      font-size: 0.825rem;
      color: #64748B;
    }

    .accordion-button:not(.collapsed) {
      background-color: var(--brand-light);
      color: var(--brand-primary);
      box-shadow: none;
    }
    .accordion-button:focus {
      box-shadow: none;
      border-color: rgba(15, 118, 110, 0.3);
    }
    .accordion-item {
      border-color: var(--brand-border);
      border-radius: 10px !important;
      margin-bottom: 0.75rem;
      overflow: hidden;
    }

/* roulang page: category1 */
:root {
        --brand-primary: #0F766E;
        --brand-primary-hover: #0D9488;
        --brand-secondary: #14B8A6;
        --brand-light: #F0FDFA;
        --brand-accent: #F59E0B;
        --brand-dark: #0F172A;
        --brand-muted: #475569;
        --brand-border: #E2E8F0;
        --brand-bg: #F8FAFC;
        --brand-card-shadow: 0 4px 20px -2px rgba(15, 118, 110, 0.05);
        --brand-card-hover-shadow: 0 14px 28px -4px rgba(15, 118, 110, 0.12);
        --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
    }
    body {
        font-family: var(--font-stack);
        background-color: var(--brand-bg);
        color: var(--brand-dark);
        line-height: 1.65;
        -webkit-font-smoothing: antialiased;
    }
    a {
        text-decoration: none;
        transition: all 0.25s ease-in-out;
    }
    .site-navbar {
        background: linear-gradient(135deg, #0F766E 0%, #115E59 100%);
        box-shadow: 0 4px 18px rgba(17, 94, 89, 0.15);
        padding: 0.85rem 0;
    }
    .site-brand {
        color: #FFFFFF !important;
        font-weight: 700;
        font-size: 1.25rem;
        letter-spacing: -0.02em;
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
    }
    .site-nav-link {
        color: rgba(255, 255, 255, 0.88) !important;
        font-size: 0.95rem;
        font-weight: 500;
        padding: 0.5rem 1rem !important;
        border-radius: 9999px;
        transition: all 0.2s ease;
    }
    .site-nav-link:hover, .site-nav-link.active {
        color: #FFFFFF !important;
        background-color: rgba(255, 255, 255, 0.15);
    }
    .btn-brand-accent {
        background-color: #FFFFFF;
        color: var(--brand-primary) !important;
        font-weight: 600;
        border-radius: 9999px;
        padding: 0.55rem 1.35rem;
        border: 1px solid rgba(255, 255, 255, 0.4);
        transition: all 0.2s ease;
    }
    .btn-brand-accent:hover {
        background-color: var(--brand-light);
        color: var(--brand-primary-hover) !important;
        transform: translateY(-2px);
        box-shadow: 0 6px 16px rgba(0, 0, 0, 0.1);
    }
    .section-wrap {
        padding: 4.5rem 0;
        border-bottom: 1px solid rgba(226, 232, 240, 0.7);
    }
    .section-head {
        margin-bottom: 2.5rem;
    }
    .section-tag {
        display: inline-block;
        padding: 0.3rem 0.85rem;
        font-size: 0.8rem;
        font-weight: 600;
        color: var(--brand-primary);
        background-color: var(--brand-light);
        border: 1px solid rgba(20, 184, 166, 0.25);
        border-radius: 9999px;
        margin-bottom: 0.75rem;
    }
    .section-title {
        font-size: 1.85rem;
        font-weight: 700;
        color: var(--brand-dark);
        letter-spacing: -0.02em;
        margin-bottom: 0.75rem;
    }
    .section-desc {
        font-size: 0.95rem;
        color: var(--brand-muted);
        max-width: 760px;
    }
    .med-card {
        background: #FFFFFF;
        border: 1px solid var(--brand-border);
        border-radius: 14px;
        padding: 1.5rem;
        box-shadow: var(--brand-card-shadow);
        transition: all 0.25s ease-in-out;
        height: 100%;
        position: relative;
    }
    .med-card:hover {
        transform: translateY(-3px);
        box-shadow: var(--brand-card-hover-shadow);
        border-color: rgba(15, 118, 110, 0.3);
    }
    .btn-solid-brand {
        background-color: var(--brand-primary);
        color: #FFFFFF !important;
        font-weight: 600;
        border-radius: 9999px;
        padding: 0.65rem 1.6rem;
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
        border: none;
        transition: all 0.2s ease;
    }
    .btn-solid-brand:hover {
        background-color: var(--brand-primary-hover);
        transform: translateY(-2px);
        box-shadow: 0 6px 18px rgba(15, 118, 110, 0.25);
    }
    .btn-outline-brand {
        background-color: transparent;
        color: var(--brand-primary) !important;
        border: 1px solid var(--brand-primary);
        font-weight: 600;
        border-radius: 9999px;
        padding: 0.65rem 1.6rem;
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
        transition: all 0.2s ease;
    }
    .btn-outline-brand:hover {
        background-color: var(--brand-light);
        transform: translateY(-2px);
    }
    .filter-panel {
        background: #FFFFFF;
        border: 1px solid var(--brand-border);
        border-radius: 16px;
        padding: 1.75rem;
        box-shadow: var(--brand-card-shadow);
    }
    .filter-group-title {
        font-size: 0.85rem;
        font-weight: 700;
        color: var(--brand-dark);
        text-transform: uppercase;
        letter-spacing: 0.04em;
        margin-bottom: 0.75rem;
        display: flex;
        align-items: center;
        gap: 0.4rem;
    }
    .filter-pill {
        font-size: 0.8rem;
        padding: 0.35rem 0.9rem;
        border-radius: 9999px;
        border: 1px solid var(--brand-border);
        background: #FFFFFF;
        color: var(--brand-muted);
        display: inline-block;
        margin-right: 0.4rem;
        margin-bottom: 0.5rem;
        transition: all 0.2s ease;
        cursor: pointer;
    }
    .filter-pill:hover {
        border-color: var(--brand-secondary);
        color: var(--brand-primary);
        background: var(--brand-light);
    }
    .filter-pill.active {
        background: var(--brand-primary);
        color: #FFFFFF;
        border-color: var(--brand-primary);
        font-weight: 600;
    }
    .gallery-img-box {
        position: relative;
        width: 100%;
        padding-top: 130%;
        background-color: #E2E8F0;
        border-radius: 10px;
        overflow: hidden;
        margin-bottom: 1rem;
    }
    .gallery-img-inner {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        padding: 1rem;
        background: linear-gradient(180deg, rgba(15, 23, 42, 0.25) 0%, rgba(15, 23, 42, 0.75) 100%);
    }
    .spec-table-row {
        display: flex;
        justify-content: space-between;
        padding: 0.35rem 0;
        font-size: 0.75rem;
        border-bottom: 1px dashed rgba(226, 232, 240, 0.8);
        color: var(--brand-muted);
    }
    .spec-table-row:last-child {
        border-bottom: none;
    }
    .spec-table-label {
        color: #64748B;
    }
    .spec-table-val {
        font-weight: 600;
        color: var(--brand-dark);
        font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    }
    .spec-compare-card {
        border-radius: 14px;
        background: #FFFFFF;
        border: 1px solid var(--brand-border);
        padding: 2rem;
        height: 100%;
    }
    .spec-compare-card.featured {
        border-color: var(--brand-secondary);
        box-shadow: 0 10px 30px -4px rgba(15, 118, 110, 0.15);
        position: relative;
    }
    .spec-badge-top {
        position: absolute;
        top: -12px;
        right: 24px;
        background: var(--brand-primary);
        color: #FFFFFF;
        font-size: 0.75rem;
        padding: 0.2rem 0.8rem;
        border-radius: 9999px;
        font-weight: 600;
    }
    .feature-check-item {
        display: flex;
        align-items: flex-start;
        gap: 0.6rem;
        margin-bottom: 0.8rem;
        font-size: 0.875rem;
        color: #334155;
    }
    .feature-check-item i {
        color: var(--brand-primary);
        font-size: 1.1rem;
        margin-top: 1px;
    }
    .accordion-button:not(.collapsed) {
        background-color: var(--brand-light);
        color: var(--brand-primary);
        box-shadow: none;
    }
    .accordion-button:focus {
        box-shadow: none;
        border-color: rgba(15, 118, 110, 0.3);
    }
    .accordion-item {
        border-color: var(--brand-border);
        border-radius: 10px !important;
        margin-bottom: 0.75rem;
        overflow: hidden;
    }
    .footer-wrap {
        background-color: #0B132B;
        color: #94A3B8;
        padding: 4.5rem 0 2rem;
        font-size: 0.9rem;
    }
    .footer-brand {
        color: #FFFFFF;
        font-size: 1.25rem;
        font-weight: 700;
        gap: 0.5rem;
    }
    .footer-title {
        color: #F8FAFC;
        font-size: 1rem;
        font-weight: 600;
        margin-bottom: 1.25rem;
    }
    .footer-links {
        list-style: none;
        padding: 0;
        margin: 0;
    }
    .footer-links li {
        margin-bottom: 0.6rem;
    }
    .footer-links a {
        color: #94A3B8;
        text-decoration: none;
        transition: color 0.2s ease;
    }
    .footer-links a:hover {
        color: #2DD4BF;
    }
    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.08);
        margin-top: 3.5rem;
        padding-top: 1.75rem;
        text-align: center;
        font-size: 0.825rem;
        color: #64748B;
    }
    .logo-mark {
        width: 32px;
        height: 32px;
        border-radius: 8px;
        background: rgba(255, 255, 255, 0.15);
        display: inline-flex;
        align-items: center;
        justify-content: center;
        color: #FFFFFF;
        font-size: 1.1rem;
    }

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