/* ========================================
   环球智汇财经 - 全局统一样式
   ======================================== */

/* ===== 全局链接样式 ===== */
a {
    color: var(--accent-color, #d4af37);
    text-decoration: none;
    transition: color 0.3s ease, opacity 0.3s ease;
}

a:hover {
    color: #f0c850;
    text-decoration: none;
    opacity: 0.9;
}

a:visited {
    color: var(--accent-color, #d4af37);
}

/* ===== 知识库卡片链接样式 ===== */
.knowledge-card a,
.knowledge-list a {
    color: var(--accent-color, #d4af37) !important;
    text-decoration: none !important;
    border-bottom: none !important;
}

.knowledge-card a:hover,
.knowledge-list a:hover {
    color: #f0c850 !important;
    text-decoration: none !important;
}

.knowledge-list li {
    color: var(--text-secondary, #8899a6);
    margin-bottom: 8px;
    line-height: 1.6;
}

.knowledge-list li a {
    color: var(--accent-color, #d4af37) !important;
}

/* ===== 新闻列表链接样式 ===== */
.news-item a,
.news-item h6 a {
    color: inherit !important;
    text-decoration: none !important;
}

.news-item a:hover,
.news-item h6 a:hover {
    color: var(--accent-color, #d4af37) !important;
}

/* ===== 按钮统一样式 ===== */
.btn-outline-warning {
    color: var(--accent-color, #d4af37);
    border-color: var(--accent-color, #d4af37);
    background: transparent;
}

.btn-outline-warning:hover {
    color: #1a1a2e;
    background-color: var(--accent-color, #d4af37);
    border-color: var(--accent-color, #d4af37);
}

/* ===== 响应式设计 ===== */

/* 超大屏幕 (≥1400px) */
@media (min-width: 1400px) {
    .container {
        max-width: 1320px;
    }
}

/* 大屏幕 (≥1200px) */
@media (min-width: 1200px) and (max-width: 1399px) {
    .container {
        max-width: 1140px;
    }
}

/* 中等屏幕 (≥992px) */
@media (min-width: 992px) and (max-width: 1199px) {
    .container {
        max-width: 960px;
    }
    
    .nav-link {
        font-size: 0.85rem !important;
        padding: 0.5rem 0.6rem !important;
    }
}

/* 平板 (≥768px) */
@media (min-width: 768px) and (max-width: 991px) {
    .container {
        max-width: 720px;
    }
    
    .navbar-nav {
        flex-wrap: wrap;
    }
    
    .nav-link {
        font-size: 0.8rem !important;
        padding: 0.4rem 0.5rem !important;
    }
    
    .knowledge-card {
        margin-bottom: 20px;
    }
    
    .hero-title {
        font-size: 1.5rem !important;
    }
}

/* 手机横屏 (≥576px) */
@media (min-width: 576px) and (max-width: 767px) {
    .container {
        max-width: 540px;
    }
    
    .navbar-brand {
        font-size: 1rem !important;
    }
    
    .nav-link {
        font-size: 0.75rem !important;
        padding: 0.3rem 0.4rem !important;
    }
    
    .knowledge-card h4 {
        font-size: 1rem;
    }
    
    .knowledge-list li {
        font-size: 0.85rem;
    }
    
    .hero-title {
        font-size: 1.3rem !important;
    }
    
    .market-card {
        padding: 10px;
    }
}

/* 手机竖屏 (<576px) */
@media (max-width: 575px) {
    .container {
        padding-left: 15px;
        padding-right: 15px;
    }
    
    /* 导航栏移动端适配 */
    .navbar {
        padding: 0.5rem;
    }
    
    .navbar-brand {
        font-size: 0.9rem !important;
    }
    
    .navbar-toggler {
        padding: 0.25rem 0.5rem;
        font-size: 0.875rem;
    }
    
    .navbar-collapse {
        background: var(--bg-secondary, #16213e);
        padding: 15px;
        border-radius: 8px;
        margin-top: 10px;
    }
    
    .nav-link {
        font-size: 0.9rem !important;
        padding: 0.5rem 0 !important;
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }
    
    .nav-link:last-child {
        border-bottom: none;
    }
    
    /* 知识库卡片移动端 */
    .knowledge-card {
        padding: 15px;
        margin-bottom: 15px;
    }
    
    .knowledge-card h4 {
        font-size: 0.95rem;
    }
    
    .knowledge-list li {
        font-size: 0.8rem;
        margin-bottom: 6px;
    }
    
    /* 行情卡片移动端 */
    .market-card {
        padding: 8px;
    }
    
    .market-card h5 {
        font-size: 0.9rem;
    }
    
    .market-card .price {
        font-size: 1.1rem;
    }
    
    /* 标题移动端 */
    .hero-title {
        font-size: 1.1rem !important;
    }
    
    .section-title {
        font-size: 1rem;
    }
    
    /* 图表移动端 */
    .chart-container {
        height: 200px !important;
    }
    
    /* 新闻列表移动端 */
    .news-item h6 {
        font-size: 0.9rem;
    }
    
    .news-meta {
        font-size: 0.75rem;
    }
    
    /* 按钮移动端 */
    .btn {
        padding: 0.4rem 0.8rem;
        font-size: 0.85rem;
    }
    
    /* 登录按钮移动端 */
    .btn-login {
        padding: 0.3rem 0.6rem !important;
        font-size: 0.8rem !important;
    }
    
    /* 页脚移动端 */
    footer {
        padding: 20px 15px;
    }
    
    footer .col-md-3 {
        margin-bottom: 20px;
    }
}

/* ===== 导航栏统一样式 ===== */
.navbar {
    background: linear-gradient(135deg, var(--bg-primary, #1a1a2e) 0%, var(--bg-secondary, #16213e) 100%);
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.nav-link {
    color: var(--text-primary, #e8e8e8) !important;
    font-weight: 500;
    white-space: nowrap;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--accent-color, #d4af37) !important;
}

.nav-link.active {
    color: var(--accent-color, #d4af37) !important;
}

/* ===== 卡片统一样式 ===== */
.card, .knowledge-card, .market-card, .news-card {
    background: var(--bg-secondary, #16213e);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 12px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover, .knowledge-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.3);
}

/* ===== 滚动条美化 ===== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary, #1a1a2e);
}

::-webkit-scrollbar-thumb {
    background: var(--accent-color, #d4af37);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #f0c850;
}

/* ===== 加载动画 ===== */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(212,175,55,0.3);
    border-radius: 50%;
    border-top-color: var(--accent-color, #d4af37);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ===== 工具类 ===== */
.text-accent {
    color: var(--accent-color, #d4af37) !important;
}

.bg-accent {
    background-color: var(--accent-color, #d4af37) !important;
}

.border-accent {
    border-color: var(--accent-color, #d4af37) !important;
}

.no-underline {
    text-decoration: none !important;
}

.no-underline:hover {
    text-decoration: none !important;
}