@charset "utf-8";
/* CSS Document - 浅色优雅版 */

/* ===== CSS变量定义 ===== */
:root {
    --primary-pink: #f8c8dc;
    --primary-blue: #a7d2e8;
    --primary-purple: #d4c1ec;
    --primary-beige: #f9f3e9;
    --accent-coral: #ffb6b9;
    --accent-mint: #b8e0d2;
    --accent-lavender: #e6e6fa;
    --text-dark: #5d5d5d;
    --text-light: #7a7a7a;
    --gradient-bg: linear-gradient(135deg, #f8c8dc 0%, #a7d2e8 50%, #d4c1ec 100%);
    --gradient-soft: linear-gradient(135deg, #f9f3e9 0%, #f8f0f8 100%);
    --gradient-accent: linear-gradient(45deg, #ffb6b9, #b8e0d2, #a7d2e8, #d4c1ec);
    --shadow-soft: 0 8px 25px rgba(0, 0, 0, 0.08);
    --shadow-medium: 0 12px 35px rgba(0, 0, 0, 0.12);
    --border-radius: 20px;
    --transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ===== 基础样式 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', 'Microsoft YaHei', -apple-system, sans-serif;
    line-height: 1.7;
    color: var(--text-dark);
    background: var(--gradient-bg);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* 优雅的背景图案 */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 15% 25%, rgba(255, 255, 255, 0.4) 0%, transparent 50%),
        radial-gradient(circle at 85% 75%, rgba(248, 200, 220, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(167, 210, 232, 0.2) 0%, transparent 50%);
    z-index: -1;
    animation: gentleFloat 20s ease-in-out infinite;
}

@keyframes gentleFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(-10px, -10px) scale(1.02); }
}

/* ===== 主容器样式 ===== */
.container {
    max-width: 1200px;
    margin: 30px auto;
    background: rgba(255, 255, 255, 0.92);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-medium);
    overflow: hidden;
    position: relative;
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.6);
}

/* 优雅边框效果 */
.container::before {
    content: '';
    position: absolute;
    top: -1px;
    left: -1px;
    right: -1px;
    bottom: -1px;
    background: linear-gradient(135deg, 
        rgba(248, 200, 220, 0.3), 
        rgba(167, 210, 232, 0.3), 
        rgba(212, 193, 236, 0.3));
    border-radius: calc(var(--border-radius) + 1px);
    z-index: -1;
    opacity: 0.6;
}

/* 装饰性花朵元素 */
.container::after {
    content: '🌸';
    position: absolute;
    top: 25px;
    right: 25px;
    font-size: 1.6em;
    opacity: 0.5;
    animation: gentleBounce 4s ease-in-out infinite;
    z-index: 2;
}

@keyframes gentleBounce {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-5px) rotate(10deg); }
}

/* ===== 头部样式 ===== */
header {
    background: linear-gradient(135deg, 
        rgba(248, 200, 220, 0.9), 
        rgba(167, 210, 232, 0.85), 
        rgba(212, 193, 236, 0.8));
    color: #5d5d5d;
    padding: 70px 0 45px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

header::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(255, 255, 255, 0.4), 
        transparent);
    animation: gentleShine 8s infinite;
}

@keyframes gentleShine {
    0% { left: -100%; }
    100% { left: 100%; }
}

header::after {
    content: '📚';
    position: absolute;
    bottom: 25px;
    left: 50px;
    font-size: 1.8em;
    opacity: 0.3;
    animation: float 6s ease-in-out infinite;
}

header h1 {
    font-size: 3.2em;
    margin-bottom: 20px;
    font-weight: 300;
    letter-spacing: 2px;
    position: relative;
    display: inline-block;
    color: #6b5b95;
    text-shadow: 2px 2px 4px rgba(255, 255, 255, 0.8);
}

header h1::after {
    content: '';

    position: absolute;
    bottom: -12px;
    left: 25%;
    width: 50%;
    height: 2px;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(107, 91, 149, 0.5), 
        transparent);
    border-radius: 1px;
}

/* ===== 导航栏样式 ===== */
nav {
    background: rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(15px);
    padding: 20px 0;
    margin-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.8);
    border-bottom: 1px solid rgba(255, 255, 255, 0.8);
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 15px;
    padding: 0 20px;
}

nav a {
    color: #6b5b95;
    text-decoration: none;
    padding: 12px 30px;
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.9);
    border-radius: 25px;
    transition: var(--transition);
    font-weight: 500;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

nav a::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(255, 255, 255, 0.6), 
        transparent);
    transition: left 0.6s;
}

nav a:hover::before {
    left: 100%;
}

nav a:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: translateY(-3px);
    box-shadow: 
        0 8px 20px rgba(0, 0, 0, 0.1),
        0 0 0 1px rgba(255, 255, 255, 0.8);
    color: #8a6bb8;
}

/* ===== 主内容区样式 ===== */
main {
    padding: 50px 40px;
    position: relative;
}

/* 装饰性背景 */
main::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(248, 200, 220, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 90% 80%, rgba(167, 210, 232, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

/* ===== 欢迎区域样式 ===== */
#welcome {
    text-align: center;
    margin-bottom: 50px;
    padding: 45px 35px;
    background: var(--gradient-soft);
    color: var(--text-dark);
    border-radius: var(--border-radius);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    border: 1px solid rgba(255, 255, 255, 0.8);
}

#welcome::before {
    content: '';
    position: absolute;
    top: -30%;
    left: -30%;
    width: 160%;
    height: 160%;
    background: 
        radial-gradient(circle, rgba(255, 255, 255, 0.3) 1px, transparent 1px),
        radial-gradient(circle, rgba(248, 200, 220, 0.2) 2px, transparent 2px);
    background-size: 40px 40px, 80px 80px;
    animation: gentleFloat 25s linear infinite;
}

#welcome::after {
    content: '💫';
    position: absolute;
    bottom: 20px;
    right: 25px;
    font-size: 2em;
    opacity: 0.2;
    animation: gentleBounce 4s ease-in-out infinite;
}

#welcome h2 {
    font-size: 2.5em;
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
    color: #6b5b95;
    font-weight: 300;
}

#welcome h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 25%;
    width: 50%;
    height: 2px;
    background: linear-gradient(90deg, 
        transparent, 
        var(--accent-coral), 
        transparent);
    border-radius: 1px;
}

#welcome p {
    font-size: 1.2em;
    margin-bottom: 30px;
    line-height: 1.8;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    color: var(--text-light);
}

#welcome img {
    max-width: 80%;
    height: auto;
    border-radius: 15px;
    box-shadow: var(--shadow-soft);
    border: 2px solid rgba(255, 255, 255, 0.8);
    transition: var(--transition);
    position: relative;
}

#welcome img:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-medium);
}

/* ===== 文章区域样式 ===== */
#recent-articles {
    position: relative;
}

#recent-articles::before {
    content: '✨';
    position: absolute;
    top: -15px;
    left: -15px;
    font-size: 3em;
    opacity: 0.1;
    z-index: 0;
}

#recent-articles h2 {
    color: #6b5b95;
    font-size: 2.3em;
    text-align: center;
    margin-bottom: 40px;
    position: relative;
    padding-bottom: 20px;
    font-weight: 300;
}

#recent-articles h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: var(--gradient-accent);
    border-radius: 2px;
}

/* ===== 文章卡片样式 ===== */
article {
    background: rgba(255, 255, 255, 0.7);
    margin-bottom: 30px;
    padding: 35px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-soft);
    border-left: 4px solid var(--primary-pink);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.8);
}

article::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(248, 200, 220, 0.2), 
        transparent);
    transition: left 0.8s;
}

article:hover::before {
    left: 100%;
}

article:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-medium);
    border-left-color: var(--accent-coral);
}

/* 文章装饰图标 */
article::after {
    content: '📖';
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 1.6em;
    opacity: 0.2;
    transition: var(--transition);
}

article:hover::after {
    opacity: 0.4;
    transform: scale(1.2) rotate(10deg);
}

article h3 {
    color: #6b5b95;
    font-size: 1.6em;
    margin-bottom: 15px;
    border-bottom: 2px solid rgba(248, 200, 220, 0.3);
    padding-bottom: 12px;
    position: relative;
    font-weight: 400;
}

article h3::before {
    content: '🌸';
    position: absolute;
    left: -30px;
    top: 0;
    font-size: 1.2em;
    opacity: 0.5;
}

article h4 {
    color: #7a6b95;
    margin: 20px 0 12px 0;
    font-size: 1.2em;
    border-left: 3px solid var(--primary-blue);
    padding-left: 15px;
    background: linear-gradient(90deg, 
        rgba(167, 210, 232, 0.1), 
        transparent);
    border-radius: 0 8px 8px 0;
    font-weight: 400;
}

article p {
    margin-bottom: 15px;
    color: var(--text-light);
    line-height: 1.7;
    position: relative;
    padding-left: 12px;
}

article p::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 4px;
    height: 4px;
    background: var(--primary-blue);
    border-radius: 50%;
    opacity: 0.5;
}

article ul, article ol {
    margin: 18px 0;
    padding-left: 25px;
}

article li {
    margin-bottom: 10px;
    line-height: 1.6;
    position: relative;
    padding-left: 12px;
    color: var(--text-light);
}

article ul li::before {
    content: '💮';
    position: absolute;
    left: -20px;
    top: 2px;
    font-size: 0.9em;
    opacity: 0.6;
}

article ol {
    counter-reset: item;
}

article ol li {
    counter-increment: item;
}

article ol li::before {
    content: counter(item) '.';
    color: var(--accent-coral);
    font-weight: 500;
    position: absolute;
    left: -20px;
    top: 0;
    font-size: 0.9em;
}

/* 标签样式 */
article strong {
    background: linear-gradient(135deg, var(--primary-pink), var(--accent-coral));
    color: white;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.85em;
    margin-right: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    position: relative;
    overflow: hidden;
    display: inline-block;
    font-weight: 500;
}

article strong::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(255, 255, 255, 0.4), 
        transparent);
    transition: left 0.6s;
}

article strong:hover::before {
    left: 100%;
}

article strong:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* ===== 页脚样式 ===== */
footer {
    background: linear-gradient(135deg, 
        rgba(248, 200, 220, 0.8), 
        rgba(212, 193, 236, 0.7));
    color: var(--text-dark);
    text-align: center;
    padding: 50px 20px;
    margin-top: 60px;
    position: relative;
    overflow: hidden;
    border-top: 1px solid rgba(255, 255, 255, 0.6);
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-accent);
    background-size: 200% 100%;
    animation: gentleShine 6s ease infinite;
}

footer::after {
    content: '🌺';
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 1.8em;
    opacity: 0.3;
    animation: gentleBounce 5s ease-in-out infinite;
}

footer p {
    margin-bottom: 15px;
    position: relative;
    z-index: 1;
    font-size: 1em;
    color: var(--text-light);
}

footer a {
    color: #8a6bb8;
    text-decoration: none;
    transition: var(--transition);
    position: relative;
    padding: 6px 12px;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.6);
    font-weight: 500;
}

footer a::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 0;
    height: 1px;
    background: #8a6bb8;
    transition: width 0.3s ease;
}

footer a:hover::after {
    width: 100%;
}

footer a:hover {
    color: #6b5b95;
    background: rgba(255, 255, 255, 0.7);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* ===== 响应式设计 ===== */
@media (max-width: 768px) {
    .container {
        margin: 15px;
        border-radius: 15px;
    }
    
    header h1 {
        font-size: 2.2em;
        letter-spacing: 1px;
    }
    
    nav ul {
        flex-direction: column;
        gap: 10px;
    }
    
    nav a {
        display: block;
        margin: 3px 15px;
        text-align: center;
    }
    
    main {
        padding: 30px 20px;
    }
    
    #welcome {
        padding: 30px 20px;
    }
    
    #welcome h2 {
        font-size: 2em;
    }
    
    article {
        padding: 25px 20px;
    }
    
    article h3::before {
        display: none;
    }
}

/* 优雅滚动条 */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: linear-gradient(135deg, #f8c8dc, #a7d2e8);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--primary-pink), var(--primary-blue));
    border-radius: 5px;
    border: 2px solid rgba(255, 255, 255, 0.5);
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, var(--accent-coral), var(--accent-mint));
}