/*
Theme Name: PigPigDog
Theme URI: https://pigpigdog.com
Author: PigPigDog Team
Author URI: https://pigpigdog.com
Description: 专业宠物知识平台 - 极简、明亮、专业的设计风格
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: pigpigdog
*/

/* ===== 品牌颜色方案 ===== */
:root {
    --primary-gold: #D4AF37;
    --primary-gold-light: #F4E4BC;
    --primary-white: #FFFFFF;
    --primary-gray: #F5F5F5;
    --primary-gray-dark: #E0E0E0;
    --accent-black: #1A1A1A;
    --accent-blue: #1E3A5F;
    --accent-blue-light: #2C5282;
}

/* ===== 全局样式 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--accent-black);
    background-color: var(--primary-white);
}

a {
    color: var(--accent-blue);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

/* ===== 头部导航 ===== */
.site-header {
    background-color: var(--primary-white);
    border-bottom: 2px solid var(--primary-gold-light);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.site-branding {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-black);
}

.site-title a {
    color: var(--accent-black);
}

.main-navigation ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.main-navigation a {
    color: var(--accent-black);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.main-navigation a:hover {
    background-color: var(--primary-gold-light);
    color: var(--accent-blue);
}

/* ===== 英雄区域 ===== */
.hero-section {
    background: linear-gradient(135deg, var(--primary-white) 0%, var(--primary-gold-light) 100%);
    padding: 4rem 2rem;
    text-align: center;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    color: var(--accent-black);
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--accent-blue);
    margin-bottom: 2rem;
}

/* ===== 内容区域 ===== */
.site-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* ===== 文章卡片 ===== */
.article-card {
    background-color: var(--primary-white);
    border: 1px solid var(--primary-gray-dark);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    transition: box-shadow 0.3s ease;
}

.article-card:hover {
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    border-color: var(--primary-gold);
}

.article-title {
    font-size: 1.5rem;
    color: var(--accent-black);
    margin-bottom: 0.5rem;
}

.article-excerpt {
    color: var(--accent-blue-light);
    line-height: 1.8;
}

/* ===== 按钮样式 ===== */
.btn-primary {
    background-color: var(--primary-gold);
    color: var(--accent-black);
    padding: 0.75rem 2rem;
    border: none;
    border-radius: 4px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: var(--accent-blue);
    color: var(--primary-white);
}

/* ===== 页脚 ===== */
.site-footer {
    background-color: var(--accent-black);
    color: var(--primary-white);
    padding: 3rem 2rem;
    text-align: center;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 1rem;
}

.footer-links a {
    color: var(--primary-gold);
}

/* ===== 响应式设计 ===== */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .main-navigation ul {
        flex-direction: column;
        gap: 0.5rem;
    }
}