/* ===== 💙 浅蓝萌系男孩成长主题 ===== */
:root {
    /* 主色调 - 天空蓝系列 */
    --sky-blue: #87CEEB;           /* 天蓝色 */
    --baby-blue: #B0E0E6;          /* 婴儿蓝 */
    --navy-blue: #4682B4;          /* 海军蓝 */
    --ice-blue: #F0F8FF;           /* 冰蓝色背景 */
    --light-cyan: #E0FFFF;         /* 浅青色 */
    
    /* 辅助色 */
    --soft-green: #98FB98;         /* 薄荷绿 */
    --warm-yellow: #FFFACD;        /* 暖黄色 */
    --lavender: #E6E6FA;           /* 薰衣草紫 */
    --peach: #FFDAB9;              /* 桃色点缀 */
    
    /* 文字颜色 */
    --text-dark: #2C3E50;          /* 深蓝灰色 */
    --text-medium: #5D6D7E;        /* 中灰色 */
    --white: #FFFFFF;
    
    --border-radius: 25px;
    --border-radius-sm: 20px;
    --shadow-cute: 0 8px 25px rgba(135,206,235,0.4);
}

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

body {
    font-family: 'Comic Sans MS', 'Chalkboard SE', 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, var(--ice-blue) 0%, var(--baby-blue) 100%);
    color: var(--text-dark);
    line-height: 1.7;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 25px;
}

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

a:hover {
    transform: scale(1.05);
    color: var(--sky-blue);
}

/* ===== 💫 Header ===== */
.header {
    background: linear-gradient(135deg, 
        rgba(135,206,235,0.95) 0%, 
        rgba(70,130,180,0.9) 100%),
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'%3E%3Ccircle cx='20' cy='20' r='2' fill='white' opacity='0.4'/%3E%3Ccircle cx='80' cy='80' r='3' fill='white' opacity='0.3'/%3E%3Ccircle cx='50' cy='15' r='1.5' fill='white' opacity='0.5'/%3E%3Ccircle cx='90' cy='45' r='2.5' fill='white' opacity='0.35'/%3E%3C/svg%3E");
    color: var(--white);
    padding: 60px 0 50px;
    text-align: center;
    position: relative;
    overflow: hidden;
    box-shadow: 0 15px 35px rgba(70,130,180,0.3);
    border-bottom: 5px solid var(--soft-green);
}

.blog-title {
    font-size: 3.2rem;
    margin-bottom: 15px;
    font-weight: bold;
    text-shadow: 4px 4px 0px rgba(70,130,180,0.5);
    animation: bounce 2.5s infinite;
    letter-spacing: 2px;
}

.blog-subtitle {
    font-size: 1.4rem;
    opacity: 0.98;
    max-width: 650px;
    margin: 0 auto;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
    font-weight: 500;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    30% { transform: translateY(-12px); }
    60% { transform: translateY(-6px); }
}

/* ===== 🎨 Main Content ===== */
main {
    padding: 50px 0;
}

section {
    margin-bottom: 70px;
}

h2, h3 {
    margin-bottom: 30px;
    font-weight: bold;
    color: var(--navy-blue);
}

h3 {
    font-size: 2.2rem;
    text-align: center;
    position: relative;
    display: inline-block;
    padding: 12px 35px;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-cute);
    border: 3px solid var(--baby-blue);
}

h3::before, h3::after {
    content: '☁️';
    position: absolute;
    top: -20px;
    font-size: 1.8rem;
    animation: cloud-float 3s infinite;
}

h3::before { left: -45px; }
h3::after { right: -45px; }

@keyframes cloud-float {
    0%, 100% { opacity: 1; transform: translateY(0); }
    50% { opacity: 0.6; transform: translateY(-8px); }
}

/* ===== 🎀 Featured Post ===== */
.featured-post {
    background: var(--white);
    padding: 45px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-cute);
    margin-bottom: 60px;
    position: relative;
    border: 4px dashed var(--sky-blue);
    transform: rotate(0.5deg);
}

.featured-post:hover {
    transform: rotate(0deg) scale(1.02);
    transition: all 0.4s ease;
}

.featured-post h2 {
    color: var(--navy-blue);
    font-size: 2.4rem;
    text-align: center;
    margin-bottom: 30px;
    background: linear-gradient(90deg, var(--sky-blue), var(--baby-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.featured-post ul {
    list-style: none;
    padding: 25px 0;
}

.featured-post li {
    margin: 18px 0;
    font-size: 1.15rem;
    position: relative;
    padding-left: 40px;
    color: var(--text-medium);
    line-height: 2;
}

.featured-post li::before {
    content: '🚀';
    position: absolute;
    left: 0;
    font-size: 1.5rem;
}

.featured-post p {
    font-size: 1.1rem;
    color: var(--text-medium);
    line-height: 1.9;
    margin: 20px 0;
}

/* ===== 📝 Recent Posts ===== */
.recent-posts {
    display: grid;
    gap: 40px;
}

.blog-post {
    background: var(--white);
    padding: 35px;
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-cute);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 3px solid transparent;
    position: relative;
}

.blog-post::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, var(--sky-blue), var(--soft-green));
    border-radius: var(--border-radius-sm) var(--border-radius-sm) 0 0;
}

.blog-post:hover {
    transform: translateY(-12px) rotate(1.5deg);
    border-color: var(--sky-blue);
    box-shadow: 0 15px 40px rgba(135,206,235,0.5);
}

.blog-post h2 {
    font-size: 1.9rem;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.blog-post h2 a {
    color: var(--navy-blue);
}

.blog-post h2 a:hover {
    color: var(--sky-blue);
}

.post-meta {
    font-size: 1rem;
    color: var(--text-medium);
    margin-bottom: 25px;
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    padding-bottom: 20px;
    border-bottom: 2px dotted var(--baby-blue);
}

.post-meta .category {
    background: linear-gradient(135deg, var(--sky-blue), var(--navy-blue));
    color: var(--white);
    padding: 8px 18px;
    border-radius: 30px;
    font-size: 0.95rem;
    box-shadow: 0 5px 15px rgba(135,206,235,0.4);
    font-weight: 600;
}

.post-meta .tags {
    color: var(--navy-blue);
    font-style: italic;
}

.post-preview {
    color: var(--text-medium);
    margin-bottom: 25px;
    line-height: 1.9;
    font-size: 1.08rem;
    padding: 15px 20px;
    background: var(--ice-blue);
    border-radius: var(--border-radius-sm);
    border-left: 4px solid var(--sky-blue);
}

.read-more {
    display: inline-block;
    font-weight: bold;
    color: var(--white);
    padding: 12px 30px;
    background: linear-gradient(135deg, var(--navy-blue), var(--sky-blue));
    border-radius: 35px;
    transition: all 0.3s ease;
    box-shadow: 0 6px 20px rgba(70,130,180,0.4);
    font-size: 1.05rem;
}

.read-more:hover {
    transform: scale(1.1) translateY(-3px);
    box-shadow: 0 10px 30px rgba(70,130,180,0.5);
}

/* ===== 👦 About Section ===== */
.about-section {
    background: var(--white);
    padding: 50px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-cute);
    border: 5px solid var(--sky-blue);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.about-section::before {
    content: '🌈';
    position: absolute;
    top: -20px;
    right: -20px;
    font-size: 6rem;
    opacity: 0.1;
}

.about-content {
    display: flex;
    gap: 50px;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 1;
}

.avatar {
    font-size: 9rem;
    line-height: 1;
    animation: float 4s ease-in-out infinite;
    filter: drop-shadow(0 12px 25px rgba(135,206,235,0.5));
}

.bio {
    flex: 2;
    text-align: left;
}

.bio p {
    margin-bottom: 22px;
    color: var(--text-medium);
    font-size: 1.15rem;
    line-height: 1.8;
}

.bio strong {
    color: var(--navy-blue);
    font-size: 1.4rem;
    display: block;
    margin-bottom: 10px;
}

.skills {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin: 30px 0;
    justify-content: flex-start;
}

.skill {
    background: linear-gradient(135deg, var(--baby-blue), var(--lavender));
    padding: 10px 25px;
    border-radius: 30px;
    font-size: 1.05rem;
    color: var(--text-dark);
    font-weight: 600;
    box-shadow: 0 5px 12px rgba(176,224,230,0.4);
    transition: all 0.3s ease;
    border: 2px solid var(--sky-blue);
}

.skill:hover {
    transform: scale(1.12) rotate(-4deg);
    background: linear-gradient(135deg, var(--sky-blue), var(--soft-green));
}

.social-links {
    display: flex;
    gap: 25px;
    justify-content: flex-start;
}

.social-links a {
    padding: 14px 30px;
    border-radius: 35px;
    background: linear-gradient(135deg, var(--navy-blue), var(--sky-blue));
    color: var(--white);
    font-weight: bold;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 8px 20px rgba(70,130,180,0.4);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.social-links a:hover {
    transform: scale(1.12) rotate(3deg);
    box-shadow: 0 12px 30px rgba(70,130,180,0.5);
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-25px) rotate(6deg); }
}

/* ===== 🎨 Categories ===== */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 30px;
}

.category-card {
    background: var(--white);
    padding: 35px;
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-cute);
    text-align: center;
    transition: all 0.4s ease;
    border: 3px solid transparent;
    position: relative;
    overflow: hidden;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 8px;
    background: linear-gradient(90deg, var(--sky-blue), var(--soft-green), var(--warm-yellow));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.category-card:hover::before {
    transform: scaleX(1);
}

.category-card:hover {
    transform: translateY(-18px) rotate(2.5deg);
    border-color: var(--sky-blue);
    box-shadow: 0 20px 50px rgba(135,206,235,0.6);
}

.category-card .icon {
    font-size: 4.5rem;
    margin-bottom: 25px;
    filter: drop-shadow(0 8px 15px rgba(135,206,235,0.4));
    animation: wiggle 2s ease-in-out infinite;
}

@keyframes wiggle {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(5deg); }
    75% { transform: rotate(-5deg); }
}

.category-card h4 {
    font-size: 1.5rem;
    margin-bottom: 18px;
    color: var(--navy-blue);
}

.category-card p {
    color: var(--text-medium);
    font-size: 1.02rem;
    line-height: 1.7;
}

/* ===== 💌 Newsletter ===== */
.newsletter {
    background: linear-gradient(135deg, 
        rgba(176,224,230,0.95) 0%, 
        rgba(135,206,235,0.95) 100%);
    padding: 60px;
    border-radius: var(--border-radius);
    text-align: center;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-cute);
    border: 4px solid var(--white);
}

.newsletter h3 {
    margin-bottom: 20px;
    color: var(--white);
    background: none;
    box-shadow: none;
    border: none;
}

.newsletter h3::before, .newsletter h3::after {
    content: '💙';
}

.newsletter p {
    margin-bottom: 35px;
    font-size: 1.2rem;
    color: var(--white);
    text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
}

.subscribe-form {
    display: flex;
    max-width: 550px;
    margin: 0 auto;
    gap: 18px;
}

.subscribe-form input {
    flex: 1;
    padding: 16px 28px;
    border: 3px solid var(--white);
    border-radius: 35px;
    font-size: 1.15rem;
    transition: all 0.3s ease;
    background: rgba(255,255,255,0.9);
}

.subscribe-form input:focus {
    outline: none;
    border-color: var(--soft-green);
    box-shadow: 0 0 0 5px rgba(152,251,152,0.3);
    background: var(--white);
}

.subscribe-form button {
    padding: 16px 45px;
    border: none;
    border-radius: 35px;
    background: linear-gradient(135deg, var(--white), var(--baby-blue));
    color: var(--navy-blue);
    font-size: 1.15rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(255,255,255,0.5);
    border: 3px solid var(--white);
}

.subscribe-form button:hover {
    transform: scale(1.08);
    background: var(--white);
    box-shadow: 0 12px 35px rgba(255,255,255,0.7);
}

/* ===== ⭐ Footer ===== */
.footer {
    background: linear-gradient(135deg, var(--navy-blue), var(--sky-blue));
    color: var(--white);
    text-align: center;
    padding: 50px 0;
    margin-top: 90px;
    position: relative;
    overflow: hidden;
    border-top: 6px solid var(--soft-green);
}

.footer::before {
    content: '⭐ ☁️ 🌈 ⭐';
    position: absolute;
    top: 15px;
    left: 0;
    right: 0;
    opacity: 0.15;
    font-size: 2.5rem;
}

.footer p {
    margin: 10px 0;
    font-size: 1.05rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.footer a {
    color: var(--soft-green);
    font-weight: bold;
    padding: 3px 8px;
    border-radius: 8px;
    background: rgba(255,255,255,0.1);
}

.footer a:hover {
    background: rgba(255,255,255,0.2);
    text-decoration: underline;
}

/* ===== 🎈 Responsive Design ===== */
@media (max-width: 768px) {
    .blog-title {
        font-size: 2.2rem;
    }
    
    .blog-subtitle {
        font-size: 1.15rem;
    }
    
    .header {
        padding: 45px 0;
    }
    
    h3 {
        font-size: 1.7rem;
        padding: 10px 25px;
    }
    
    h3::before, h3::after {
        font-size: 1.2rem;
        top: -15px;
    }
    
    h3::before { left: -35px; }
    h3::after { right: -35px; }
    
    .featured-post {
        padding: 30px;
    }
    
    .about-content {
        flex-direction: column;
        text-align: center;
    }
    
    .avatar {
        font-size: 6rem;
    }
    
    .bio {
        text-align: center;
    }
    
    .skills,
    .social-links {
        justify-content: center;
    }
    
    .categories-grid {
        grid-template-columns: 1fr;
    }
    
    .subscribe-form {
        flex-direction: column;
    }
    
    .newsletter {
        padding: 40px 25px;
    }
}

@media (max-width: 480px) {
    .blog-title {
        font-size: 1.8rem;
    }
    
    .post-meta {
        font-size: 0.9rem;
        gap: 12px;
    }
    
    .skill,
    .social-links a {
        font-size: 0.95rem;
        padding: 10px 20px;
    }
    
    .category-card {
        padding: 25px;
    }
    
    .category-card .icon {
        font-size: 3.5rem;
    }
}