body {
    margin: 0;
    font-family: Arial, sans-serif;
    background-color: #f4f6f8;
    color: #111827;
}

header {
    background-color: #020b16;
    height: 150px;
    display: flex;
    align-items: flex-end;
    padding: 15px 45px 0;
}

header img {
    width: 360px;
    height: auto;
    display: block;
}

main {
    max-width: 1200px;
    margin: 50px auto;
    padding: 0 30px;
}

h1 {
    color: #2fa84f;
    font-size: 38px;
}

p {
    font-size: 18px;
}
.pc-overview {
    display: flex;
    gap: 10px;
    max-width: 1200px;
    margin: 50px auto;
    padding: 35px;
    background-color: white;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.pc-image {
    width: 40%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pc-placeholder {
    width: 280px;
    height: 280px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background-color: #020b16;
    color: white;
    border-radius: 10px;
    font-size: 24px;
    font-weight: bold;
}

.pc-image img {
    width: 280px;
    height: 280px;
    object-fit: contain;
    border-radius: 10px;
    display: block;
}

.pc-info {
    flex: 1;
}

.pc-info h2 {
    color: #2fa84f;
    font-size: 28px;
    margin-top: 0;
    margin-bottom: 25px;
}

.spec-row {
    display: flex;
    justify-content: space-between;
    gap: 30px;
    padding: 14px 0;
    border-bottom: 1px solid #e5e5e5;
    font-size: 17px;
}

.spec-row strong {
    color: #020b16;
}

.spec-row span {
    text-align: right;
}
.dfile-overview {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    max-width: 1200px;
    margin: 40px auto;
}

.dfile-card {
    background-color: white;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    text-align: center;
}

.dfile-image {
    height: 140px;
    background-color: #020b16;
    color: white;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 20px;
}

.dfile-card h2 {
    color: #2fa84f;
    font-size: 24px;
    margin-bottom: 8px;
}

.dfile-card h3 {
    font-size: 18px;
    margin-top: 0;
}

.dfile-card p {
    font-size: 16px;
}

.dfile-card {
    background-color: white;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    text-align: center;
    color: inherit;
    text-decoration: none;
}

.dfile-card span {
    display: inline-block;
    margin-top: 15px;
    padding: 10px 18px;
    background-color: #2fa84f;
    color: white;
    font-size: 16px;
    font-weight: bold;
    text-decoration: none;
    border-radius: 8px;
}

.dfile-card:hover span {
    background-color: #238b3f;
}
.top-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    margin: 30px 0;
}

.info-card {
    background-color: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.card-header {
    background-color: #020b16;
    color: white;
    font-weight: bold;
    padding: 10px 15px;
    font-size: 15px;
}

.card-content {
    padding: 18px;
}

.card-content h3 {
    color: #2fa84f;
    font-size: 24px;
    margin: 0 0 8px 0;
}

.card-content p {
    margin: 0;
    font-size: 16px;
}
.suitable-section {
    background-color: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    margin: 25px 0;
}

.section-header {
    background-color: #020b16;
    color: white;
    font-weight: bold;
    padding: 10px 15px;
    font-size: 15px;
}

.suitable-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    padding: 20px;
}

.suitable-column {
    padding: 5px 20px;
    border-right: 1px solid #e5e5e5;
}

.suitable-column:first-child {
    padding-left: 0;
}

.suitable-column:last-child {
    border-right: none;
    padding-right: 0;
}

.suitable-column h3 {
    font-size: 20 px;
    margin-top: 0;
    margin-bottom: 15px;
}

.suitable-column p {
    margin: 8px 0;
    font-size: 16px;
}

.detailed-summary-section {
    background-color: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    margin: 25px 0;
}

.detailed-summary-section summary {
    background-color: #020b16;
    color: white;
    font-weight: bold;
    padding: 10px 15px;
    font-size: 15px;
    cursor: pointer;
}

.detailed-summary-content {
    padding: 20px;
}

.detailed-summary-content p {
    margin: 8px 0;
    font-size: 16px;
}

.summary-content {
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    margin: 25px 0;
    padding: 20px;
}

.summary-content h2 {
    margin-top: 0;
    margin-bottom: 15px;
}

.recommendation-section {
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    margin: 25px 0;
    padding: 20px;
}


.recommendation-section h2 {
    margin-top: 0;
    margin-bottom: 15px;
}


.recommendation-section p {
    margin: 8px 0;
    font-size: 16px;
}

.technical-data-section {
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    margin: 25px 0;
    padding: 20px;
}

.technical-data-section h2 {
    margin-top: 0;
    margin-bottom: 15px;
}

.technical-data {
    border-top: 1px solid #e5e5e5;
}

.technical-row {
    display: flex;
    justify-content: space-between;
    gap: 30px;
    padding: 12px 0;
    border-bottom: 1px solid #e5e5e5;
    font-size: 16px;
}

.technical-row strong {
    color: #020b16;
}

.technical-row span {
    text-align: right;
}

.upgrade-section {
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    margin: 25px 0;
    padding: 20px;
}

.upgrade-section h2 {
    margin-top: 0;
    margin-bottom: 15px;
}

.upgrade-section p {
    margin: 0 0 15px 0;
    font-size: 16px;
}

.upgrade-section ul {
    margin: 0;
    padding-left: 25px;
}

.upgrade-section li {
    margin: 8px 0;
    font-size: 16px;
}

.upgrade-path-section {
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    margin: 25px 0;
    padding: 20px;
}

.upgrade-path-section h2 {
    margin-top: 0;
    margin-bottom: 15px;
}

.upgrade-path-section p {
    margin: 8px 0;
    font-size: 16px;
}

.pc-image img {
    width: 280px;
    height: 280px;
    object-fit: contain;
    display: block;
}

.back-home {
    display: inline-block;
    margin-bottom: 20px;
    padding: 10px 18px;
    background-color: #28a745;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
}

.back-home:hover {
    opacity: 0.9;
}