/* 统一样式（与之前保持一致） */
.spec-wrapper {
    background-color: #f9fafb;
    border-radius: 24px;
    padding: 40px 20px;
    margin: 40px 0;
}
.section-title {
    font-family: 'Open Sans', sans-serif;
    font-weight: 700;
    font-size: 35px;
    color: #333333;
    text-align: center;
    margin-bottom: 24px;
}
.subheading {
    font-family: 'Open Sans', sans-serif;
    font-weight: 600;
    font-size: 22px;
    color: #0047AB;
    text-align: center;
    margin: 0 0 16px 0;
}
.spec-table {
    width: 100%;
    border-collapse: collapse;
    background: #ffffff;
    border-radius: 16px;
    overflow: hidden;
    border: 2px solid #cbd5e1;
    font-size: 15px;
    color: #555555;
}
.spec-table td {
    padding: 10px 16px;
    border-bottom: 1px solid #cbd5e1;
    vertical-align: top;
}
.spec-table tr:last-child td {
    border-bottom: none;
}
.spec-feature {
    font-weight: 600;
    color: #0047AB;
    width: 30%;
    background-color: #ffffff;
}
.spec-list, .packaging-mobile-list {
    background: #ffffff;
    border-radius: 16px;
    border: 2px solid #cbd5e1;
    overflow: hidden;
}
.spec-row {
    display: flex;
    flex-direction: column;
    border-bottom: 1px solid #cbd5e1;
    padding: 12px 16px;
}
.spec-row:last-child {
    border-bottom: none;
}
.spec-label {
    font-weight: 600;
    color: #0047AB;
    margin-bottom: 6px;
    font-size: 15px;
}
.spec-value {
    font-size: 15px;
    color: #555555;
    line-height: 1.5;
    word-break: break-word;
}
.table-responsive {
    overflow-x: auto;
    border-radius: 16px;
    border: 2px solid #cbd5e1;
    background: #ffffff;
}
.packaging-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 15px;
    color: #555555;
    min-width: 600px;
}
.packaging-table th,
.packaging-table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid #e2e8f0;
    vertical-align: top;
}
.packaging-table th {
    background-color: #f8fafc;
    font-weight: 600;
    color: #0047AB;
    border-bottom: 2px solid #cbd5e1;
}
.packaging-table tr:last-child td {
    border-bottom: none;
}
@media (min-width: 769px) {
    .mobile-only { display: none; }
    .desktop-only { display: table; }
}
@media (max-width: 768px) {
    .section-title { font-size: 28px; }
    .spec-wrapper { padding: 30px 16px; }
    .subheading { font-size: 20px; margin: 16px 0 12px; }
    .desktop-only { display: none; }
    .mobile-only { display: block; }
    .spec-row { padding: 10px 16px; }
    .packaging-table thead { display: none; }
    .packaging-table tr { display: block; margin-bottom: 20px; border: 2px solid #cbd5e1; border-radius: 16px; overflow: hidden; }
    .packaging-table td { display: block; padding: 10px 16px; border-bottom: 1px solid #e2e8f0; }
    .packaging-table td:last-child { border-bottom: none; }
    .packaging-table td::before { content: attr(data-label); font-weight: 600; color: #0047AB; display: block; margin-bottom: 6px; font-size: 14px; }
}