/* 禄权科文化官网样式
 * 配色方案：暖琥珀 + 柔苔绿（文化感、温暖）
 * 主色：#C4956A (暖琥珀)
 * 辅色：#8BA888 (柔苔绿)
 * 强调色：#FFD700 (金色)
 * 背景：#FFF8E7 (米白) / #F5F5F5
 * 文字：#3D2B1F (深棕)
 */

:root {
    --primary: #C4956A;
    --primary-dark: #A07A52;
    --primary-light: #D4A882;
    --secondary: #8BA888;
    --secondary-dark: #6E8A6B;
    --secondary-light: #A3BFA0;
    --accent: #FFD700;
    --accent-dark: #CCAC00;
    --bg-white: #FFF8E7;
    --bg-light: #F5F5F5;
    --bg-dark: #3D2B1F;
    --text-dark: #3D2B1F;
    --text-light: #7A6B5D;
    --text-white: #FFF8E7;
    --border: #E8DCC8;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "Noto Serif SC", serif;
    color: var(--text-dark);
    line-height: 1.6;
    background: var(--bg-white);
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 248, 231, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
    z-index: 1000;
    padding: 0 5%;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar-logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: "Noto Serif SC", serif;
}

.navbar-logo span {
    color: var(--secondary);
}

.navbar-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.navbar-menu a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s;
    padding: 5px 0;
    position: relative;
}

.navbar-menu a:hover,
.navbar-menu a.active {
    color: var(--primary);
}

.navbar-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s;
}

.navbar-menu a:hover::after,
.navbar-menu a.active::after {
    width: 100%;
}

.navbar-cta {
    background: var(--primary);
    color: white;
    padding: 10px 20px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 500;
    transition: background 0.3s;
}

.navbar-cta:hover {
    background: var(--primary-dark);
}

/* 英雄区域 */
.hero {
    padding: 150px 5% 100px;
    background: linear-gradient(135deg, var(--bg-dark) 0%, #5A3E2B 100%);
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23C4956A" fill-opacity="0.1" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,112C672,96,768,96,864,112C960,128,1056,160,1152,160C1248,160,1344,128,1392,112L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
    background-size: cover;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
    font-family: "Noto Serif SC", serif;
}

.hero h1 span {
    color: var(--accent);
}

.hero p {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 15px 30px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    display: inline-block;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid var(--accent);
}

.btn-secondary:hover {
    background: var(--accent);
    color: var(--text-dark);
}

/* 通用区域 */
.section {
    padding: 80px 5%;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 36px;
    color: var(--text-dark);
    margin-bottom: 15px;
    font-family: "Noto Serif SC", serif;
}

.section-title p {
    font-size: 18px;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

.section-dark {
    background: var(--bg-dark);
    color: white;
}

.section-dark .section-title h2 {
    color: white;
}

.section-dark .section-title p {
    color: rgba(255, 255, 255, 0.7);
}

/* 特性网格 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background: var(--bg-white);
    padding: 40px 30px;
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
    border-top: 4px solid var(--primary);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-card .icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: white;
    font-size: 24px;
}

.feature-card h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: var(--text-dark);
    font-family: "Noto Serif SC", serif;
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.8;
}

/* 页脚 */
.footer {
    background: var(--bg-dark);
    color: white;
    padding: 60px 5% 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h4 {
    font-size: 18px;
    margin-bottom: 20px;
    color: white;
    font-family: "Noto Serif SC", serif;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
    font-size: 14px;
}

/* 响应式 */
@media (max-width: 768px) {
    .navbar-menu {
        display: none;
    }
    
    .hero h1 {
        font-size: 32px;
    }
    
    .hero p {
        font-size: 16px;
    }
    
    .section-title h2 {
        font-size: 28px;
    }
}