/* ==========================================
   余林茂个人品牌网站 - 主样式表
   ========================================== */

/* CSS变量定义 */
:root {
    --primary-color: #1a365d;
    --secondary-color: #d4af37;
    --accent-color: #c41e3a;
    --bg-color: #f7f5f0;
    --text-color: #2d3748;
    --light-gray: #e2e8f0;
    --white: #ffffff;
    --transition: all 0.3s ease;
}

/* 全局重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text-color);
    background-color: var(--bg-color);
    line-height: 1.8;
    font-size: 16px;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Noto Serif SC', serif;
    font-weight: 700;
    line-height: 1.4;
    color: var(--primary-color);
}

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

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ==========================================
   导航栏样式
   ========================================== */
.header {
    background: linear-gradient(135deg, var(--primary-color) 0%, #2d4a7c 100%);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--white);
    font-family: 'Noto Serif SC', serif;
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--secondary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: var(--white);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    transition: var(--transition);
}

.nav-menu a:hover,
.nav-menu a.active {
    background: rgba(255,255,255,0.1);
    color: var(--secondary-color);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--white);
    font-size: 1.5rem;
    cursor: pointer;
}

/* ==========================================
   Hero区域样式
   ========================================== */
.hero {
    background: linear-gradient(135deg, rgba(26,54,93,0.95) 0%, rgba(45,74,124,0.95) 100%),
                url('../images/hero-bg.jpg') center/cover;
    color: var(--white);
    padding: 100px 0;
    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 width="100" height="100" xmlns="http://www.w3.org/2000/svg"><path d="M50 0 L100 50 L50 100 L0 50 Z" fill="none" stroke="rgba(212,175,55,0.1)" stroke-width="1"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-image {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    margin: 0 auto 30px;
    border: 5px solid var(--secondary-color);
    box-shadow: 0 10px 40px rgba(0,0,0,0.3);
    object-fit: cover;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--white);
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    font-family: 'Noto Serif SC', serif;
}

.hero-description {
    font-size: 1.1rem;
    max-width: 800px;
    margin: 0 auto 2rem;
    line-height: 1.8;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
    display: inline-block;
}

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

.btn-primary:hover {
    background: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(212,175,55,0.4);
}

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

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

/* ==========================================
   饶平二中序展示区
   ========================================== */
.raoping-section {
    background: var(--white);
    padding: 80px 0;
    position: relative;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--secondary-color);
    border-radius: 2px;
}

.section-subtitle {
    text-align: center;
    color: #666;
    margin-bottom: 3rem;
    font-size: 1.1rem;
}

.raoping-content {
    max-width: 900px;
    margin: 0 auto;
    background: linear-gradient(to bottom, #faf8f3, #ffffff);
    padding: 50px;
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.08);
    border: 2px solid var(--secondary-color);
    position: relative;
}

.raoping-content::before,
.raoping-content::after {
    content: '"';
    position: absolute;
    font-size: 6rem;
    color: var(--secondary-color);
    opacity: 0.2;
    font-family: Georgia, serif;
}

.raoping-content::before {
    top: 20px;
    left: 20px;
}

.raoping-content::after {
    content: '"';
    bottom: 20px;
    right: 20px;
}

.raoping-text {
    font-family: 'Noto Serif SC', serif;
    font-size: 1.1rem;
    line-height: 2.2;
    color: var(--text-color);
    text-align: justify;
    white-space: pre-line;
}

.raoping-text p {
    margin-bottom: 1.5rem;
    text-indent: 2em;
}

.raoping-poem {
    margin-top: 2rem;
    padding: 20px;
    background: rgba(212,175,55,0.05);
    border-left: 4px solid var(--secondary-color);
    font-style: italic;
}

.raoping-notes {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--light-gray);
    font-size: 0.95rem;
    color: #666;
}

.raoping-notes h4 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.raoping-notes p {
    margin-bottom: 0.8rem;
    line-height: 1.8;
}

/* ==========================================
   作品展示区
   ========================================== */
.works-section {
    padding: 80px 0;
    background: var(--bg-color);
}

.works-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 3rem;
}

.work-card {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: var(--transition);
    cursor: pointer;
}

.work-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.work-image {
    width: 100%;
    height: 350px;
    object-fit: cover;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
    font-weight: 700;
}

.work-content {
    padding: 25px;
}

.work-title {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.work-series {
    color: var(--accent-color);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.work-description {
    color: #666;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.work-status {
    display: inline-block;
    padding: 5px 15px;
    background: var(--secondary-color);
    color: var(--white);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.work-status.coming-soon {
    background: var(--accent-color);
}

/* ==========================================
   关于作者区域
   ========================================== */
.about-section {
    padding: 80px 0;
    background: var(--white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 50px;
    align-items: center;
    margin-top: 3rem;
}

.about-image {
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
}

.about-text h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.about-text p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    color: #555;
}

.achievements {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 2rem;
}

.achievement-item {
    padding: 20px;
    background: var(--bg-color);
    border-radius: 10px;
    border-left: 4px solid var(--secondary-color);
}

.achievement-item h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.achievement-item p {
    font-size: 0.95rem;
    color: #666;
    margin: 0;
}

/* ==========================================
   会员中心区域
   ========================================== */
.membership-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, #2d4a7c 100%);
    color: var(--white);
}

.membership-section .section-title {
    color: var(--white);
}

.membership-plans {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 3rem;
}

.plan-card {
    background: var(--white);
    color: var(--text-color);
    border-radius: 15px;
    padding: 40px 30px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.plan-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: var(--secondary-color);
}

.plan-card.featured {
    transform: scale(1.05);
    box-shadow: 0 20px 60px rgba(0,0,0,0.2);
}

.plan-card.featured::before {
    height: 8px;
    background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
}

.plan-name {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.plan-price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 0.5rem;
}

.plan-period {
    color: #999;
    margin-bottom: 2rem;
}

.plan-features {
    list-style: none;
    margin-bottom: 2rem;
    text-align: left;
}

.plan-features li {
    padding: 10px 0;
    border-bottom: 1px solid var(--light-gray);
    position: relative;
    padding-left: 30px;
}

.plan-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: 700;
    font-size: 1.2rem;
}

/* ==========================================
   博客资讯区域
   ========================================== */
.blog-section {
    padding: 80px 0;
    background: var(--bg-color);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    margin-top: 3rem;
}

.blog-card {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: var(--transition);
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.blog-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 3rem;
}

.blog-content {
    padding: 25px;
}

.blog-meta {
    display: flex;
    gap: 15px;
    font-size: 0.85rem;
    color: #999;
    margin-bottom: 1rem;
}

.blog-title {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.blog-excerpt {
    color: #666;
    line-height: 1.8;
    margin-bottom: 1rem;
}

.read-more {
    color: var(--accent-color);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.read-more:hover {
    gap: 10px;
}

/* ==========================================
   联系我们区域
   ========================================== */
.contact-section {
    padding: 80px 0;
    background: var(--white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    margin-top: 3rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-weight: 600;
    color: var(--primary-color);
}

.form-group input,
.form-group textarea {
    padding: 12px 15px;
    border: 2px solid var(--light-gray);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.info-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.info-icon {
    width: 50px;
    height: 50px;
    background: var(--secondary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
    flex-shrink: 0;
}

.info-text h4 {
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.info-text p {
    color: #666;
    line-height: 1.8;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 1rem;
}

.social-link {
    width: 45px;
    height: 45px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.2rem;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--secondary-color);
    transform: translateY(-3px);
}

/* ==========================================
   页脚样式
   ========================================== */
.footer {
    background: var(--primary-color);
    color: var(--white);
    padding: 60px 0 20px;
}

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

.footer-section h3 {
    color: var(--white);
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
}

.footer-section p,
.footer-section a {
    color: rgba(255,255,255,0.8);
    line-height: 2;
    display: block;
}

.footer-section a:hover {
    color: var(--secondary-color);
    padding-left: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.6);
}

/* ==========================================
   返回顶部按钮
   ========================================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--secondary-color);
    color: var(--white);
    border: none;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    box-shadow: 0 5px 20px rgba(0,0,0,0.2);
    z-index: 999;
}

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

.back-to-top:hover {
    background: var(--accent-color);
    transform: translateY(-5px);
}

/* ==========================================
   响应式设计
   ========================================== */

/* 平板设备 */
@media (max-width: 1024px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
}

/* 移动设备 */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }
    
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--primary-color);
        flex-direction: column;
        padding: 1rem;
        gap: 0;
        display: none;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-menu a {
        padding: 1rem;
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }
    
    .hero {
        padding: 60px 0;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .raoping-content {
        padding: 30px 20px;
    }
    
    .raoping-text {
        font-size: 1rem;
    }
    
    .works-grid,
    .blog-grid {
        grid-template-columns: 1fr;
    }
    
    .achievements {
        grid-template-columns: 1fr;
    }
    
    .membership-plans {
        grid-template-columns: 1fr;
    }
    
    .plan-card.featured {
        transform: scale(1);
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
}

/* 小屏移动设备 */
@media (max-width: 480px) {
    .hero-image {
        width: 150px;
        height: 150px;
    }
    
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .logo {
        font-size: 1.5rem;
    }
    
    .raoping-content::before,
    .raoping-content::after {
        font-size: 3rem;
    }
}

/* 打印样式 */
@media print {
    .header,
    .footer,
    .back-to-top,
    .cta-buttons {
        display: none;
    }
    
    body {
        background: white;
    }
}