/* Detail Page PC CSS (min-width: 769px) */

/* Hero Section */
.detail-hero {
    height: 600px;
    background-size: cover;
    background-position: center;
    position: relative;
    display: flex;
    align-items: flex-end;
    margin-bottom: 0;
}

.detail-hero .overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.1), #050505);
}

.hero-content {
    position: relative;
    z-index: 2;
    padding-bottom: 60px;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

.hero-subtitle {
    display: inline-block;
    background: rgba(255, 255, 255, 0.1);
    padding: 8px 16px;
    border-radius: 30px;
    font-size: 1rem;
    margin-bottom: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 800;
    margin: 0;
    line-height: 1.1;
    letter-spacing: -1px;
    background: linear-gradient(180deg, #fff 0%, #ccc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-slogan {
    font-size: 1.5rem;
    opacity: 0.9;
    margin: 15px 0;
    font-weight: 300;
}

.hero-price {
    font-size: 2rem;
    font-weight: 700;
    color: #fff;
    margin-top: 25px;
}

.hero-actions {
    margin-top: 25px;
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.btn-icon {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: #fff;
    padding: 12px 24px;
    border-radius: 30px;
    cursor: pointer;
    backdrop-filter: blur(8px);
    transition: all 0.3s ease;
    font-size: 0.95rem;
    font-weight: 500;
}

.btn-icon:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

.btn-icon i {
    font-size: 1rem;
}

/* Tabs */
.detail-tabs-wrapper {
    background: rgba(10, 10, 10, 0.95);
    border-bottom: 1px solid #222;
    position: sticky;
    top: 0;
    /* Adjust if main header is fixed */
    z-index: 90;
    backdrop-filter: blur(10px);
}

.detail-tabs {
    list-style: none;
    margin: 0 auto;
    padding: 0;
    display: flex;
    gap: 60px;
    max-width: 1400px;
}

.detail-tabs li {
    padding: 25px 10px;
    color: #888;
    cursor: pointer;
    font-weight: 600;
    font-size: 1.1rem;
    position: relative;
    transition: all 0.3s;
    letter-spacing: 0.5px;
}

.detail-tabs li:hover {
    color: #ccc;
}

.detail-tabs li.active {
    color: #fff;
}

.detail-tabs li.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: #fff;
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

/* Content Area */
.detail-content-area {
    padding-top: 80px;
    padding-bottom: 120px;
    max-width: 1400px;
    margin: 0 auto;
}

.content-box {
    background: #111;
    border: 1px solid #222;
    border-radius: 16px;
    padding: 60px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

/* Tab Content - Hidden by default */
.tab-content {
    display: none;
    opacity: 0;
    transform: translateY(15px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.tab-content.active {
    display: block;
}

.tab-content.show {
    opacity: 1;
    transform: translateY(0);
}

.tab-content.active {
    display: block;
}

.tab-content.show {
    opacity: 1;
    transform: translateY(0);
}

.section-title {
    font-size: 2.2rem;
    margin-bottom: 40px;
    border-left: 5px solid #fff;
    padding-left: 25px;
    color: #fff;
}

.desc-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #ccc;
    margin-bottom: 50px;
}

/* Features Tab Hero (Tab 2) */
.features-hero-section {
    position: relative;
    padding: 80px 0;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.8) 0%, rgba(20, 20, 20, 0.9) 100%);
    margin-bottom: 60px;
}

.features-hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.features-hero-img {
    width: 100%;
    height: auto;
    border-radius: 12px;
}

.features-hero-title {
    font-size: 2.5rem;
    color: #fff;
    margin-bottom: 15px;
    font-weight: 700;
}

.features-hero-slogan {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 30px;
}

.features-hero-meta {
    margin-bottom: 30px;
}

.features-hero-price {
    font-size: 1.5rem;
    color: var(--color-accent);
    font-weight: 600;
    margin-bottom: 10px;
}

.features-hero-specs {
    display: flex;
    gap: 30px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.features-hero-spec-value {
    font-size: 1.2rem;
    color: #fff;
    font-weight: 600;
}

.features-hero-spec-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 5px;
}

.features-hero-colors {
    margin-top: 22px;
}

.features-hero-colors-title {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 600;
    margin-bottom: 5px;
}

.features-hero-colors-selected {
    font-size: 1.1rem;
    color: var(--color-accent);
    font-weight: 700;
    margin-bottom: 12px;
}

.features-hero-colors-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.features-hero-color-swatch {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    padding: 0;
    border: 1px solid rgba(255, 255, 255, 0.18);
    background: rgba(255, 255, 255, 0.06);
    cursor: pointer;
    overflow: hidden;
}

.features-hero-color-swatch.is-active {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.features-hero-color-img,
.features-hero-color-fallback {
    width: 100%;
    height: 100%;
    display: block;
    border-radius: 50%;
    object-fit: cover;
}

.features-hero-color-fallback {
    background: rgba(255, 255, 255, 0.18);
}

/* Highlights Grid (3 Columns) */
.highlight-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.highlight-item {
    background: linear-gradient(145deg, #0f0f0f, #050505);
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    border: 1px solid #222;
    transition: transform 0.3s;
}

.highlight-item:hover {
    transform: translateY(-5px);
    border-color: #444;
}

.highlight-item .label {
    display: block;
    color: #666;
    font-size: 1rem;
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.highlight-item .value {
    display: block;
    color: #fff;
    font-size: 2rem;
    font-weight: 700;
}

/* Specs Table */
.spec-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

.spec-table th,
.spec-table td {
    padding: 20px 25px;
    border-bottom: 1px solid #222;
    color: #ccc;
    font-size: 1.05rem;
}

.spec-table th {
    width: 30%;
    color: #666;
    font-weight: 500;
    background: rgba(255, 255, 255, 0.02);
}

.spec-table tr:hover td {
    background: rgba(255, 255, 255, 0.02);
}

/* Review Form */
.review-form {
    background: #0f0f0f;
    padding: 30px;
    border-radius: 12px;
    border: 1px solid #222;
    margin-bottom: 40px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.review-form input[type="text"],
.review-form input[type="password"] {
    width: 100%;
    padding: 14px 18px;
    background: #050505;
    border: 1px solid #333;
    border-radius: 8px;
    color: #fff;
    font-size: 0.95rem;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.review-form input:focus {
    outline: none;
    border-color: #555;
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.05);
}

.review-form textarea {
    width: 100%;
    padding: 14px 18px;
    background: #050505;
    border: 1px solid #333;
    border-radius: 8px;
    color: #fff;
    font-size: 0.95rem;
    resize: vertical;
    min-height: 100px;
    margin-bottom: 20px;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.review-form textarea:focus {
    outline: none;
    border-color: #555;
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.05);
}

.review-form .btn-submit {
    display: block;
    width: 100%;
    max-width: 200px;
    margin-left: auto;
    padding: 15px 30px;
    background: linear-gradient(135deg, #fff 0%, #e0e0e0 100%);
    color: #000;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
}

.review-form .btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(255, 255, 255, 0.2);
}

/* Info Cards */
.info-card {
    background: #0f0f0f;
    padding: 40px;
    border-radius: 12px;
    margin-bottom: 30px;
    border: 1px solid #222;
}

.info-card h3 {
    margin-top: 0;
    color: #fff;
    font-size: 1.3rem;
}

.info-card p {
    color: #888;
    line-height: 1.6;
    margin-bottom: 20px;
}

.btn-official,
.btn-catalog {
    display: inline-block;
    padding: 15px 30px;
    background: #cf3030;
    color: white;
    border-radius: 4px;
    font-weight: 700;
    text-decoration: none;
    transition: background 0.2s;
}

.btn-official:hover,
.btn-catalog:hover {
    background: #a82525;
}

/* Gallery Grid */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.gallery-item {
    aspect-ratio: 16/9;
    background-size: cover;
    background-position: center;
    border-radius: 8px;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
    border: 1px solid #222;
}

.gallery-item:hover {
    transform: scale(1.03);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

/* Lightbox */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    cursor: pointer;
}

.lightbox img {
    max-width: 90%;
    max-height: 90%;
    border-radius: 8px;
}

.lb-close {
    position: absolute;
    top: 30px;
    right: 30px;
    color: white;
    font-size: 2rem;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: #555;
}

.empty-state p {
    margin: 0;
}

/* Reviews Section */
.reviews-section {
    background: #0a0a0a;
    padding: 80px 0;
    border-top: 1px solid #222;
}

.reviews-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.btn-write {
    background: #fff;
    color: #000;
    border: none;
    padding: 12px 25px;
    border-radius: 30px;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-write:hover {
    background: #ddd;
}

.hidden {
    display: none;
}

.review-item {
    padding: 25px 0;
    border-bottom: 1px solid #222;
}

.rw-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 12px;
    font-size: 0.95rem;
}

.rw-author {
    color: #fff;
    font-weight: 600;
}

.rw-date {
    color: #555;
}

.rw-content {
    color: #ccc;
    line-height: 1.7;
}

.no-reviews {
    text-align: center;
    padding: 40px;
    color: #555;
}

.disclaimer-text {
    margin-top: 30px;
    color: #555;
    font-size: 0.9rem;
}

.toast-message {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 15px 25px;
    border-radius: 10px;
    color: #fff;
    font-size: 1rem;
    font-weight: 500;
    z-index: 10000;
    opacity: 0;
    transform: translateX(100%);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

.toast-message.show {
    opacity: 1;
    transform: translateX(0);
}

.toast-success {
    background: linear-gradient(135deg, #28a745, #218838);
}

.toast-error {
    background: linear-gradient(135deg, #dc3545, #c82333);
}

.toast-info {
    background: linear-gradient(135deg, #17a2b8, #138496);
}

.kia-spec-official {
    margin-bottom: 40px;
}

.kia-spec-container {
    background: linear-gradient(180deg, #2a2a2a 0%, #1a1a1a 100%);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 30px;
    text-align: center;
}

.kia-spec-tabs {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.kia-spec-btn {
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 25px;
    color: #aaa;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 0.9rem;
}

.kia-spec-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

.kia-spec-btn.active {
    background: var(--color-accent, #e30613);
    border-color: var(--color-accent, #e30613);
    color: #fff;
}

.kia-spec-img-wrap {
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f0f0f0;
    border-radius: 12px;
    padding: 20px;
}

.kia-spec-img-wrap img {
    max-width: 100%;
    max-height: 500px;
    object-fit: contain;
}

.kia-spec-credit {
    margin-top: 15px;
    font-size: 0.75rem;
    color: #666;
}

.kia-spec-credit a {
    color: #888;
    text-decoration: underline;
}

.dimension-container {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    justify-content: center;
    margin-bottom: 50px;
    padding: 30px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.02) 0%, rgba(255, 255, 255, 0.05) 100%);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.dimension-view {
    flex: 1;
    min-width: 280px;
    max-width: 450px;
    position: relative;
}

.dimension-view h4 {
    text-align: center;
    color: #888;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 20px;
}

.dim-svg {
    width: 100%;
    height: auto;
}

.dim-car {
    fill: rgba(255, 255, 255, 0.08);
    stroke: rgba(255, 255, 255, 0.3);
    stroke-width: 2;
}

.dim-line {
    stroke: #e30613;
    stroke-width: 1.5;
    stroke-dasharray: 0;
}

.dim-arrow {
    fill: #e30613;
}

.dim-text {
    fill: #fff;
    font-size: 14px;
    font-weight: 600;
    font-family: 'Outfit', sans-serif;
}

.dim-label {
    fill: #888;
    font-size: 11px;
    font-family: 'Pretendard', sans-serif;
}

.dim-guide {
    stroke: rgba(255, 255, 255, 0.15);
    stroke-width: 1;
    stroke-dasharray: 4, 4;
}

.dimension-container.animate .dim-line {
    animation: drawLine 1s ease-out forwards;
}

@keyframes drawLine {
    from {
        stroke-dasharray: 0, 1000;
    }
    to {
        stroke-dasharray: 1000, 0;
    }
}

.dim-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
    margin-top: 30px;
}

.dim-stat {
    text-align: center;
    padding: 20px 10px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    transition: all 0.3s;
}

.dim-stat:hover {
    background: rgba(227, 6, 19, 0.1);
    border-color: rgba(227, 6, 19, 0.3);
    transform: translateY(-3px);
}

.dim-stat .stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
    display: block;
}

.dim-stat .stat-unit {
    font-size: 0.9rem;
    color: #e30613;
}

.dim-stat .stat-label {
    font-size: 0.75rem;
    color: #888;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 5px;
    display: block;
}

.grade-grid-dynamic {
    display: grid;
    gap: 25px;
    grid-template-columns: 1fr;
}

.catalog-wide-box {
    background: #0a0a0a;
    border: none;
    border-radius: 0;
    padding: 40px 0;
    box-shadow: none;
    width: 100vw;
    position: relative;
    left: 50%;
    right: 50%;
    margin-left: -50vw;
    margin-right: -50vw;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.catalog-viewer-container {
    background: transparent;
    border-radius: 0;
    padding: 20px 0;
    margin-bottom: 20px;
    max-width: 100%;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.catalog-toolbar {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
    padding: 15px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 10px;
    flex-wrap: wrap;
    width: fit-content;
}

.catalog-toolbar button {
    background: #333;
    border: 1px solid #444;
    color: #fff;
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 8px;
}

.catalog-toolbar button:hover:not(:disabled) {
    background: var(--color-accent);
    border-color: var(--color-accent);
}

.catalog-toolbar button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.catalog-page-info {
    color: #fff;
    font-weight: 600;
    min-width: 80px;
    text-align: center;
}

#pdf-canvas-catalog {
    width: auto;
    max-width: 100%;
    height: auto;
    border-radius: 0;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

.catalog-all-pages {
    width: 100%;
    max-width: 100%;
    margin: 0;
}

.catalog-all-page {
    margin: 0 0 24px 0;
}

.catalog-wide-box.fullscreen-mode {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    width: 100vw !important;
    height: 100vh !important;
    background: #0a0a0a !important;
    z-index: 9999 !important;
    border-radius: 0 !important;
    max-width: none !important;
    margin: 0 !important;
}

.catalog-wide-box.fullscreen-mode .catalog-toolbar {
    background: rgba(0, 0, 0, 0.9) !important;
    backdrop-filter: blur(10px) !important;
    position: sticky !important;
    top: 0 !important;
    z-index: 10000 !important;
}

.catalog-wide-box.fullscreen-mode canvas,
.catalog-wide-box.fullscreen-mode .catalog-all-pages {
    max-height: calc(100vh - 80px) !important;
    overflow-y: auto !important;
}

.catalog-all-page canvas {
    width: auto;
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
    background: transparent;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    border-radius: 0;
}

.catalog-loading {
    text-align: center;
    padding: 60px 20px;
    color: #888;
}

.pdf-viewer-container {
    background: rgba(255, 255, 255, 0.02);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
}

.pdf-toolbar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    padding: 15px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 8px;
    margin-bottom: 20px;
    flex-wrap: wrap;
    position: sticky;
    top: 80px;
    z-index: 10;
}

.pdf-toolbar button {
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 6px;
    color: #fff;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.pdf-toolbar button:hover:not(:disabled) {
    background: var(--color-accent);
    border-color: var(--color-accent);
}

.pdf-toolbar button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pdf-page-info {
    color: #aaa;
    font-size: 0.9rem;
    min-width: 100px;
    text-align: center;
}

.pdf-loading {
    text-align: center;
    padding: 60px 20px;
    color: #888;
}

#pdf-canvas-price {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    background: #fff;
    border-radius: 8px;
}

@media (min-width: 900px) {
    .grade-grid-2 {
        grid-template-columns: repeat(2, 1fr);
    }

    .grade-grid-3 {
        grid-template-columns: repeat(3, 1fr);
    }

    .grade-grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .grade-grid-auto {
        grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    }
}

@media (max-width: 768px) {
    .kia-spec-container {
        padding: 15px;
    }

    .kia-spec-btn {
        padding: 8px 15px;
        font-size: 0.8rem;
    }

    .dim-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .dimension-container {
        padding: 20px;
    }
}

.blog-content-wrapper {
    max-width: 100%;
    margin: 0;
    padding: 20px 0;
    color: #ccc;
    font-size: 1.05rem;
    line-height: 2;
    word-break: keep-all;
}

.blog-content-wrapper h2 {
    font-size: 1.7rem;
    color: #fff;
    margin: 40px 0 20px;
    padding: 12px 0 12px 20px;
    border-left: 4px solid var(--color-accent, #00ADB5);
    line-height: 1.4;
    font-weight: 700;
}

.blog-content-wrapper h2:first-child {
    margin-top: 0;
}

.blog-content-wrapper h3 {
    font-size: 1.3rem;
    color: #e0e0e0;
    margin: 28px 0 14px;
    font-weight: 600;
    line-height: 1.5;
}

.blog-content-wrapper p {
    margin: 0 0 18px;
    color: #c8c8c8;
    font-size: 1.05rem;
    line-height: 2;
}

.blog-content-wrapper ul {
    padding-left: 24px;
    margin: 12px 0 20px;
}

.blog-content-wrapper li {
    margin-bottom: 10px;
    color: #bbb;
    line-height: 1.8;
}

.blog-content-wrapper strong {
    color: #fff;
    font-weight: 700;
}

.blog-content-wrapper em {
    color: #ddd;
    font-style: italic;
}

.blog-content-wrapper hr,
.blog-content-wrapper hr.section-divider {
    border: none;
    height: 1px;
    margin: 44px 0;
    background: linear-gradient(90deg, transparent, rgba(0,173,181,0.4) 20%, rgba(0,173,181,0.6) 50%, rgba(0,173,181,0.4) 80%, transparent);
    position: relative;
}

.blog-content-wrapper hr::after,
.blog-content-wrapper hr.section-divider::after {
    content: '◆';
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    background: var(--color-bg-primary, #0a0a0a);
    padding: 0 14px;
    color: rgba(0,173,181,0.45);
    font-size: 0.55rem;
    letter-spacing: 6px;
}

.blog-content-wrapper .article-image {
    margin: 24px 0;
    text-align: center;
}

.blog-content-wrapper .article-image img {
    max-width: 100%;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.4);
}

.vehicle-blog-post {
    color: #ccc;
    line-height: 1.8;
}

.blog-header {
    margin-bottom: 40px;
}

.blog-tag {
    display: inline-block;
    background: rgba(255, 255, 255, 0.1);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    color: #aaa;
    margin-bottom: 20px;
}

.blog-header h2 {
    font-size: 2.5rem;
    color: #fff;
    margin-bottom: 20px;
    line-height: 1.3;
}

.blog-intro {
    font-size: 1.2rem;
    color: #ddd;
    line-height: 1.8;
    font-style: italic;
}

.blog-divider {
    border: none;
    border-top: 1px solid #333;
    margin: 40px 0;
}

.blog-section {
    margin-bottom: 40px;
}

.blog-section h3 {
    font-size: 1.8rem;
    color: #fff;
    margin-bottom: 20px;
    border-left: 4px solid var(--color-accent);
    padding-left: 20px;
}

.blog-section p {
    margin-bottom: 15px;
    color: #ccc;
    font-size: 1.05rem;
}

.blog-section strong {
    color: #fff;
    font-weight: 600;
}

.blog-recommend-list {
    list-style: none;
    padding: 0;
    margin: 20px 0;
}

.blog-recommend-list li {
    padding: 12px 0;
    color: #ccc;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.blog-recommend-list li:last-child {
    border-bottom: none;
}

.blog-closing {
    margin-top: 40px;
    padding: 30px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 12px;
    text-align: center;
    font-size: 1.1rem;
    color: #ddd;
}

.user-comments-section {
    margin-top: 60px;
    padding-top: 40px;
    border-top: 1px solid #222;
}

.comments-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.comments-header h3 {
    font-size: 1.8rem;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 10px;
}

.comment-count {
    color: #888;
    font-size: 0.9rem;
}

.comments-list {
    margin-bottom: 40px;
    min-height: 100px;
}

.no-comments {
    text-align: center;
    padding: 60px 20px;
    color: #555;
}

.no-comments i {
    font-size: 3rem;
    margin-bottom: 20px;
    opacity: 0.3;
}

.no-comments p {
    color: #666;
    font-size: 1rem;
}

.comment-item {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 15px;
    transition: all 0.3s;
}

.comment-item:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.2);
}

.comment-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.comment-author {
    font-weight: 600;
    color: #fff;
    font-size: 0.95rem;
}

.comment-date {
    color: #888;
    font-size: 0.85rem;
}

.comment-text {
    color: #ccc;
    line-height: 1.6;
    margin-bottom: 15px;
    white-space: pre-line;
}

.comment-actions {
    display: flex;
    gap: 10px;
}

.comment-action-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #fff;
    padding: 6px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.3s;
}

.comment-action-btn:hover {
    background: rgba(227, 6, 19, 0.2);
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(5px);
    z-index: 2000;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
}

.modal-overlay.show {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: #111;
    border: 1px solid #333;
    border-radius: 12px;
    width: 90%;
    max-width: 480px;
    padding: 28px 32px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.6);
    transform: scale(0.95);
    transition: all 0.3s;
    position: relative;
    max-height: 85vh;
    overflow-y: auto;
}

.modal-overlay.show .modal-content {
    transform: scale(1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    border-bottom: 1px solid #222;
    padding-bottom: 16px;
}

.modal-title {
    font-size: 1.4rem;
    color: #fff;
    font-weight: 700;
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    color: #666;
    font-size: 1.5rem;
    cursor: pointer;
    transition: color 0.2s;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    color: #fff;
}

.modal-body {
    color: #ccc;
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 22px;
}

.modal-body input {
    width: 100%;
    padding: 12px 14px;
    background: #222;
    border: 1px solid #444;
    color: #fff;
    border-radius: 6px;
    font-size: 0.95rem;
    margin-top: 12px;
    box-sizing: border-box;
}

.modal-body input:focus {
    outline: none;
    border-color: var(--color-accent);
    background: #2a2a2a;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding-top: 20px;
    border-top: 1px solid #222;
}

.btn-primary {
    background: var(--color-accent);
    color: #fff;
    border: none;
    padding: 11px 22px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s;
    font-size: 0.95rem;
}

.btn-primary:hover {
    background: #d1000a;
    transform: translateY(-2px);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 11px 22px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s;
    font-size: 0.95rem;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
}

.toast-container {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none;
}

.toast {
    background: rgba(15, 15, 15, 0.95);
    color: #fff;
    padding: 12px 25px;
    border-radius: 30px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    font-size: 0.95rem;
    font-weight: 500;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.27, 1.55);
    display: flex;
    align-items: center;
    gap: 10px;
    pointer-events: auto;
}

.toast.show {
    opacity: 1;
    transform: translateY(0);
}

.toast.success {
    border-left: 4px solid #00c851;
}

.toast.error {
    border-left: 4px solid #ff4444;
}

.toast.info {
    border-left: 4px solid #33b5e5;
}

.toast.warning {
    border-left: 4px solid #ffbb33;
}

.comment-form {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 30px;
}

.comment-form-title {
    font-size: 1.2rem;
    color: #fff;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.comment-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-bottom: 15px;
}

.comment-form-row input {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #fff;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 0.95rem;
}

.comment-form-row input:focus {
    outline: none;
    border-color: var(--color-accent);
    background: rgba(255, 255, 255, 0.08);
}

.comment-form textarea {
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #fff;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 0.95rem;
    min-height: 120px;
    resize: vertical;
    margin-bottom: 15px;
    font-family: inherit;
}

.comment-form textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    background: rgba(255, 255, 255, 0.08);
}

.comment-form-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.comment-form-hint {
    font-size: 0.85rem;
    color: #888;
    display: flex;
    align-items: center;
    gap: 6px;
}

.comment-submit-btn {
    background: var(--color-accent);
    color: #fff;
    border: none;
    padding: 12px 30px;
    border-radius: 30px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s;
}

.comment-submit-btn:hover {
    background: #d1000a;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(227, 6, 19, 0.4);
}

.recommended-models-section {
    margin: 60px 0;
    padding: 60px 0;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 20px;
}

.recommended-model-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: 30px;
    border: 2px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s;
}

.recommended-model-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    border-color: rgba(255, 255, 255, 0.2);
}

.recommended-model-card img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    margin-bottom: 20px;
}

.grade-grid-dynamic {
    display: grid;
    gap: 30px;
    margin-top: 30px;
}

.grade-card {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01));
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: 25px;
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
}

.grade-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
}

.highlight-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.highlight-item {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
}

.highlight-item .label {
    display: block;
    font-size: 0.85rem;
    color: #888;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.highlight-item .value {
    display: block;
    font-size: 1.5rem;
    color: #fff;
    font-weight: 700;
}