/* 
 * 金价网自定义样式
 * 包含：金色主题、渐变、动画、导航样式等
 */

/* ========== 字体导入 ========== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* ========== 全局样式 ========== */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* ========== 金色主题颜色 ========== */
:root {
    --gold-50: #fdf9e7;
    --gold-100: #faf0c4;
    --gold-200: #f6e28a;
    --gold-300: #f2d350;
    --gold-400: #eec526;
    --gold-500: #d4a017;
    --gold-600: #b8860b;
    --gold-700: #8b6914;
    --gold-800: #6b5313;
    --gold-900: #4a3a0f;
}

/* 金色文字颜色 */
.text-gold-50 { color: var(--gold-50); }
.text-gold-100 { color: var(--gold-100); }
.text-gold-200 { color: var(--gold-200); }
.text-gold-300 { color: var(--gold-300); }
.text-gold-400 { color: var(--gold-400); }
.text-gold-500 { color: var(--gold-500); }
.text-gold-600 { color: var(--gold-600); }
.text-gold-700 { color: var(--gold-700); }
.text-gold-800 { color: var(--gold-800); }
.text-gold-900 { color: var(--gold-900); }

/* 金色背景颜色 */
.bg-gold-50 { background-color: var(--gold-50); }
.bg-gold-100 { background-color: var(--gold-100); }
.bg-gold-200 { background-color: var(--gold-200); }
.bg-gold-300 { background-color: var(--gold-300); }
.bg-gold-400 { background-color: var(--gold-400); }
.bg-gold-500 { background-color: var(--gold-500); }
.bg-gold-600 { background-color: var(--gold-600); }
.bg-gold-700 { background-color: var(--gold-700); }
.bg-gold-800 { background-color: var(--gold-800); }
.bg-gold-900 { background-color: var(--gold-900); }

/* 金色边框颜色 */
.border-gold-50 { border-color: var(--gold-50); }
.border-gold-100 { border-color: var(--gold-100); }
.border-gold-200 { border-color: var(--gold-200); }
.border-gold-300 { border-color: var(--gold-300); }
.border-gold-400 { border-color: var(--gold-400); }
.border-gold-500 { border-color: var(--gold-500); }
.border-gold-600 { border-color: var(--gold-600); }
.border-gold-700 { border-color: var(--gold-700); }
.border-gold-800 { border-color: var(--gold-800); }
.border-gold-900 { border-color: var(--gold-900); }

/* hover状态 */
.hover\:text-gold-300:hover { color: var(--gold-300); }
.hover\:text-gold-400:hover { color: var(--gold-400); }
.hover\:bg-gold-50:hover { background-color: var(--gold-50); }
.hover\:bg-gold-100:hover { background-color: var(--gold-100); }

/* ========== 渐变背景 ========== */
.gradient-gold {
    background: linear-gradient(135deg, #f6e28a 0%, #d4a017 50%, #b8860b 100%);
}

.gradient-header {
    background: linear-gradient(135deg, #1e3a5f 0%, #2d5a87 50%, #1e3a5f 100%);
}

/* ========== 卡片阴影 ========== */
.card-shadow {
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.card-shadow:hover {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

/* ========== 价格颜色 ========== */
.price-up {
    color: #dc2626;
}

.price-down {
    color: #16a34a;
}

/* ========== 动画 ========== */
.animate-pulse-slow {
    animation: pulse 3s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: .7; }
}

/* ========== 导航栏样式 ========== */
.nav-item {
    position: relative;
}

.nav-item::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #f6e28a, #d4a017);
    transition: width 0.3s ease;
}

.nav-item:hover::after,
.nav-item.active::after {
    width: 100%;
}

.nav-item.active {
    color: #fde68a !important;
    font-weight: 600;
}

/* ========== 表格行悬停 ========== */
.table-row-hover:hover {
    background-color: rgba(212, 160, 23, 0.05);
}

/* ========== 品牌卡片 ========== */
.brand-card {
    transition: all 0.3s ease;
}

.brand-card:hover {
    transform: translateY(-2px);
}

/* ========== 新闻卡片 ========== */
.news-card {
    transition: all 0.3s ease;
}

.news-card:hover {
    transform: translateX(4px);
}

/* ========== 黄金克重估值页 ========== */
.gold-valuation-result {
    min-width: 0;
    padding: 1.5rem;
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 0.75rem;
}

.gold-valuation-results {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 1rem;
    padding: 1.5rem;
    background: #f9fafb;
}

.gold-valuation-result__heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
}

.gold-valuation-result__link {
    display: inline-flex;
    flex: 0 0 auto;
    align-items: center;
    gap: 0.25rem;
    color: #2563eb;
    font-size: 0.875rem;
    line-height: 1.25rem;
    white-space: nowrap;
}

.gold-valuation-result__link:hover {
    color: #1d4ed8;
}

.gold-valuation-result__metrics {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 1.25rem;
    margin-top: 1.5rem;
}

.gold-valuation-result__total {
    padding-top: 1.25rem;
    border-top: 1px solid #f3f4f6;
}

@media (min-width: 768px) {
    .gold-valuation-results {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (min-width: 1024px) {
    .gold-valuation-results {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 1.25rem;
    }
}

.gold-user-queries {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid #e5e7eb;
}

.gold-user-query-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem;
}

.gold-user-query {
    display: flex;
    min-width: 0;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    padding: 0.75rem 0.875rem;
    color: #374151;
    font-size: 0.875rem;
    line-height: 1.25rem;
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 0.5rem;
    transition: border-color 0.2s ease, color 0.2s ease, background-color 0.2s ease;
}

.gold-user-query span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.gold-user-query svg {
    flex: 0 0 auto;
}

.gold-user-query:hover {
    color: var(--gold-700);
    background: var(--gold-50);
    border-color: var(--gold-300);
}

@media (min-width: 768px) {
    .gold-user-query-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
}