/* ============================================
  luxurywatch-info.com - Core Stylesheet
   A news portal for pre-owned luxury watches
   ============================================ */

/* --- Reset & Base --- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Palette - Luxury Dark Theme */
    --color-bg: #0f1115;
    --color-surface: #1a1d24;
    --color-surface-hover: #232730;
    --color-border: #2a2e38;
    --color-text: #e8e6e3;
    --color-text-secondary: #9a9a9a;
    --color-text-muted: #6a6a6a;
    --color-gold: #c5a55a;
    --color-gold-light: #e0c887;
    --color-gold-dark: #9a7f3e;
    --color-accent: #c5a55a;
    --color-link: #c5a55a;
    --color-link-hover: #e0c887;

    /* Typography */
    --font-serif: 'Noto Serif SC', 'Songti SC', 'SimSun', Georgia, serif;
    --font-sans: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;

    /* Spacing */
    --container-max: 1200px;
    --radius: 8px;
    --radius-sm: 4px;
    --transition: 0.3s ease;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--color-link);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: var(--color-link-hover);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul, ol {
    list-style: none;
}

/* --- Layout Helpers --- */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 40px 0;
}

.section-title {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-gold);
    margin-bottom: 24px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--color-border);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 60px;
    height: 2px;
    background: var(--color-gold);
}

.section-title a {
    float: right;
    font-size: 0.875rem;
    font-family: var(--font-sans);
    font-weight: 400;
    color: var(--color-text-secondary);
}

/* --- Header --- */
.site-header {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.header-top {
    background: #0a0c0f;
    padding: 6px 0;
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-align: center;
}

.header-main {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    max-width: var(--container-max);
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-serif);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-gold);
    letter-spacing: 1px;
}

.logo .logo-icon {
    width: 36px;
    height: 36px;
    border: 2px solid var(--color-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.logo .logo-text-sub {
    font-size: 0.65rem;
    color: var(--color-text-muted);
    font-family: var(--font-sans);
    font-weight: 400;
    letter-spacing: 0;
    display: block;
    line-height: 1;
    margin-top: 2px;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 28px;
}

.main-nav a {
    color: var(--color-text);
    font-size: 0.95rem;
    font-weight: 500;
    padding: 6px 0;
    position: relative;
    transition: color var(--transition);
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--color-gold);
}

.main-nav a.active::after,
.main-nav a:hover::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--color-gold);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-gold);
    transition: var(--transition);
}

/* --- Breadcrumb --- */
.breadcrumb {
    padding: 16px 0;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.breadcrumb a {
    color: var(--color-text-secondary);
}

.breadcrumb a:hover {
    color: var(--color-gold);
}

.breadcrumb span {
    margin: 0 8px;
    color: var(--color-text-muted);
}

.breadcrumb .current {
    color: var(--color-text);
}

/* --- Hero Section --- */
.hero {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #1a1d24 0%, #0f1115 100%);
    padding: 50px 0;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 24px;
}

.hero-main {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--color-surface);
    min-height: 380px;
    display: flex;
    align-items: flex-end;
}

.hero-main-content {
    position: relative;
    z-index: 2;
    padding: 30px;
    width: 100%;
    background: linear-gradient(to top, rgba(15, 17, 21, 0.95) 30%, transparent);
}

.hero-main-content .tag {
    display: inline-block;
    background: var(--color-gold);
    color: #0f1115;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: var(--radius-sm);
    margin-bottom: 12px;
}

.hero-main-content h2 {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 10px;
}

.hero-main-content h2 a {
    color: var(--color-text);
}

.hero-main-content h2 a:hover {
    color: var(--color-gold-light);
}

.hero-main-content p {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.hero-main-content .meta {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.hero-side {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.hero-side-item {
    display: flex;
    gap: 14px;
    padding: 14px;
    background: var(--color-surface);
    border-radius: var(--radius);
    transition: background var(--transition);
}

.hero-side-item:hover {
    background: var(--color-surface-hover);
}

.hero-side-item .thumb {
    width: 100px;
    height: 75px;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
    background: var(--color-border);
    overflow: hidden;
}

.hero-side-item .thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-side-item .info h3 {
    font-size: 0.9rem;
    font-weight: 600;
    line-height: 1.5;
    margin-bottom: 6px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.hero-side-item .info h3 a {
    color: var(--color-text);
}

.hero-side-item .info h3 a:hover {
    color: var(--color-gold);
}

.hero-side-item .info .meta {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

/* --- News Grid --- */
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.news-card {
    background: var(--color-surface);
    border-radius: var(--radius);
    overflow: hidden;
    transition: transform var(--transition), box-shadow var(--transition);
    display: flex;
    flex-direction: column;
}

.news-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
}

.news-card .card-thumb {
    width: 100%;
    height: 200px;
    overflow: hidden;
    background: var(--color-border);
    position: relative;
}

.news-card .card-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.news-card:hover .card-thumb img {
    transform: scale(1.05);
}

.news-card .card-thumb .badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: rgba(197, 165, 90, 0.9);
    color: #0f1115;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: var(--radius-sm);
}

.news-card .card-body {
    padding: 18px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.news-card .card-body h3 {
    font-size: 1.05rem;
    font-weight: 600;
    line-height: 1.5;
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-card .card-body h3 a {
    color: var(--color-text);
}

.news-card .card-body h3 a:hover {
    color: var(--color-gold);
}

.news-card .card-body p {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    margin-bottom: 14px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}

.news-card .card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.78rem;
    color: var(--color-text-muted);
}

.news-card .card-footer .author {
    color: var(--color-text-secondary);
}

/* --- Two Column Layout --- */
.two-col {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 32px;
}

/* --- Sidebar --- */
.sidebar-widget {
    background: var(--color-surface);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 24px;
}

.sidebar-widget h3 {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    color: var(--color-gold);
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--color-border);
}

.widget-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid var(--color-border);
}

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

.widget-list .rank {
    width: 24px;
    height: 24px;
    border-radius: 4px;
    background: var(--color-border);
    color: var(--color-text-muted);
    font-size: 0.8rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.widget-list li:nth-child(1) .rank {
    background: var(--color-gold);
    color: #0f1115;
}

.widget-list li:nth-child(2) .rank {
    background: #8a8a8a;
    color: #0f1115;
}

.widget-list li:nth-child(3) .rank {
    background: #6b5a35;
    color: #e8e6e3;
}

.widget-list .item-title {
    font-size: 0.85rem;
    line-height: 1.5;
}

.widget-list .item-title a {
    color: var(--color-text);
}

.widget-list .item-title a:hover {
    color: var(--color-gold);
}

.widget-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.widget-tags a {
    display: inline-block;
    padding: 5px 12px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    transition: var(--transition);
}

.widget-tags a:hover {
    border-color: var(--color-gold);
    color: var(--color-gold);
}

/* --- Brand Cards --- */
.brand-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.brand-card {
    background: var(--color-surface);
    border-radius: var(--radius);
    padding: 28px 20px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid transparent;
}

.brand-card:hover {
    border-color: var(--color-gold);
    transform: translateY(-3px);
}

.brand-card .brand-name {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-gold);
    margin-bottom: 6px;
}

.brand-card .brand-name-en {
    font-size: 0.78rem;
    color: var(--color-text-muted);
    margin-bottom: 10px;
}

.brand-card .brand-count {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
}

/* --- Article Page --- */
.article-header {
    margin-bottom: 30px;
}

.article-header h1 {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 16px;
    color: var(--color-text);
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    padding-bottom: 20px;
    border-bottom: 1px solid var(--color-border);
}

.article-meta .meta-item {
    display: flex;
    align-items: center;
    gap: 5px;
}

.article-body {
    font-size: 1rem;
    line-height: 1.9;
    color: var(--color-text);
}

.article-body p {
    margin-bottom: 20px;
}

.article-body h2 {
    font-family: var(--font-serif);
    font-size: 1.35rem;
    font-weight: 700;
    margin: 32px 0 16px;
    color: var(--color-gold);
    padding-left: 14px;
    border-left: 4px solid var(--color-gold);
}

.article-body h3 {
    font-size: 1.15rem;
    font-weight: 600;
    margin: 24px 0 12px;
    color: var(--color-text);
}

.article-body img {
    border-radius: var(--radius);
    margin: 20px 0;
}

.article-body blockquote {
    border-left: 4px solid var(--color-gold);
    padding: 12px 20px;
    margin: 20px 0;
    background: var(--color-surface);
    border-radius: 0 var(--radius) var(--radius) 0;
    color: var(--color-text-secondary);
    font-style: italic;
}

.article-body ul,
.article-body ol {
    margin: 16px 0 20px 20px;
}

.article-body ul li,
.article-body ol li {
    list-style: disc;
    margin-bottom: 8px;
}

.article-body ol li {
    list-style: decimal;
}

.article-body strong {
    color: var(--color-gold-light);
    font-weight: 700;
}

.article-body a {
    color: var(--color-gold);
    text-decoration: underline;
    text-decoration-color: rgba(197, 165, 90, 0.3);
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--color-border);
}

.article-tags .tag-label {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-right: 6px;
    line-height: 28px;
}

.article-tags a {
    padding: 4px 12px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--color-text-secondary);
}

.article-tags a:hover {
    border-color: var(--color-gold);
    color: var(--color-gold);
}

/* --- Related Articles --- */
.related-articles {
    margin-top: 40px;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

/* --- Pagination --- */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 40px;
}

.pagination a,
.pagination span {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 38px;
    height: 38px;
    padding: 0 12px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    background: var(--color-surface);
    transition: var(--transition);
}

.pagination a:hover {
    background: var(--color-surface-hover);
    color: var(--color-gold);
}

.pagination .current {
    background: var(--color-gold);
    color: #0f1115;
    font-weight: 700;
}

/* --- About Page --- */
.about-section {
    background: var(--color-surface);
    border-radius: var(--radius);
    padding: 36px;
    margin-bottom: 24px;
}

.about-section h2 {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    color: var(--color-gold);
    margin-bottom: 16px;
}

.about-section p {
    margin-bottom: 14px;
    color: var(--color-text-secondary);
    line-height: 1.9;
}

/* --- Footer --- */
.site-footer {
    background: #0a0c0f;
    border-top: 1px solid var(--color-border);
    padding: 40px 0 20px;
    margin-top: 50px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 32px;
    margin-bottom: 30px;
}

.footer-col h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-gold);
    margin-bottom: 14px;
}

.footer-col p {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    line-height: 1.8;
}

.footer-col ul li {
    margin-bottom: 8px;
}

.footer-col ul li a {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

.footer-col ul li a:hover {
    color: var(--color-gold);
}

.footer-bottom {
    padding-top: 20px;
    border-top: 1px solid var(--color-border);
    text-align: center;
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.footer-bottom a {
    color: var(--color-text-muted);
}

.footer-bottom a:hover {
    color: var(--color-gold);
}

/* --- Back to Top --- */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--color-gold);
    color: #0f1115;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    border: none;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--color-gold-light);
}

/* --- Responsive --- */
@media (max-width: 968px) {
    .hero-grid {
        grid-template-columns: 1fr;
    }

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

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

    .two-col {
        grid-template-columns: 1fr;
    }

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

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 640px) {
    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-surface);
        flex-direction: column;
        padding: 20px;
        gap: 16px;
        border-bottom: 1px solid var(--color-border);
    }

    .main-nav.open {
        display: flex;
    }

    .nav-toggle {
        display: flex;
    }

    .news-grid {
        grid-template-columns: 1fr;
    }

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

    .related-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }

    .article-header h1 {
        font-size: 1.4rem;
    }

    .hero-main-content h2 {
        font-size: 1.2rem;
    }

    .article-body {
        font-size: 0.95rem;
    }
}