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

body {
    font-family: 'KaiTi', 'STKaiti', '楷体', '楷体_GB2312', serif;
    background: 
        radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.8) 2px, transparent 2px),
        radial-gradient(circle at 60% 70%, rgba(255, 255, 255, 0.6) 1px, transparent 1px),
        radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.7) 1.5px, transparent 1.5px),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.5) 2px, transparent 2px),
        radial-gradient(circle at 30% 80%, rgba(255, 255, 255, 0.6) 1px, transparent 1px),
        radial-gradient(circle at 70% 40%, rgba(255, 255, 255, 0.7) 1.5px, transparent 1.5px),
        radial-gradient(circle at 40% 60%, rgba(255, 255, 255, 0.5) 2px, transparent 2px),
        radial-gradient(circle at 90% 90%, rgba(255, 255, 255, 0.6) 1px, transparent 1px),
        radial-gradient(circle at 10% 90%, rgba(255, 255, 255, 0.7) 1.5px, transparent 1.5px),
        radial-gradient(circle at 85% 60%, rgba(255, 255, 255, 0.5) 2px, transparent 2px),
        linear-gradient(135deg, #E0F2FE 0%, #B8E6FF 50%, #E0F2FE 100%);
    background-size: 100px 100px, 150px 150px, 120px 120px, 180px 180px, 
                     140px 140px, 160px 160px, 130px 130px, 170px 170px,
                     110px 110px, 190px 190px, 100% 100%;
    min-height: 100vh;
    color: #1E4A6F;
    letter-spacing: 1px;
    line-height: 1.8;
    animation: snowfall 20s linear infinite;
}

@keyframes snowfall {
    0% {
        background-position: 20% 30%, 60% 70%, 50% 50%, 80% 20%, 30% 80%,
                          70% 40%, 40% 60%, 90% 90%, 10% 90%, 85% 60%, 0 0;
    }
    100% {
        background-position: 20% 130%, 60% 170%, 50% 150%, 80% 120%, 30% 180%,
                          70% 140%, 40% 160%, 90% 190%, 10% 190%, 85% 160%, 0 100%;
    }
}

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

/* 页面切换 */
.page {
    display: none;
    animation: fadeIn 0.6s ease-in-out;
}

.page.active {
    display: block;
}

/* 确保"添加小说"和"添加电影"按钮只在文艺之秋页面显示 */
#arts-page:not(.active) .add-btn {
    display: none !important;
}

.add-btn {
    display: inline-block;
    padding: 12px 24px;
    background: linear-gradient(135deg, #4A7BA7 0%, #1E4A6F 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'KaiTi', 'STKaiti', '楷体', '楷体_GB2312', serif;
    margin-top: 20px;
    box-shadow: 0 4px 15px rgba(30, 74, 111, 0.3);
}

.add-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(30, 74, 111, 0.4);
}

.add-btn:active {
    transform: translateY(0);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 首页样式 */
.header {
    text-align: center;
    padding: 40px 20px;
    margin-bottom: 30px;
}

.title {
    font-size: 48px;
    font-weight: 300;
    color: #1E4A6F;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(30, 74, 111, 0.1);
}

.subtitle {
    font-size: 18px;
    color: #4A7BA7;
    font-weight: 300;
}

/* 导航栏 */
.nav {
    display: flex;
    justify-content: center;
    margin-bottom: 40px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(30, 74, 111, 0.1);
    font-family: 'KaiTi', 'STKaiti', '楷体', '楷体_GB2312', serif;
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.8);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(30, 74, 111, 0.15);
}

.nav-item span:first-child {
    font-size: 24px;
}

.nav-item span:last-child {
    font-size: 16px;
    color: #1E4A6F;
}

/* 卡片容器 */
.main-content {
    padding: 20px 0;
}

.cards-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 20px;
}

/* 卡片样式 */
.card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    cursor: pointer;
    transition: all 0.4s ease;
    box-shadow: 0 8px 32px rgba(30, 74, 111, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 15px 40px rgba(30, 74, 111, 0.2);
    background: rgba(255, 255, 255, 0.85);
}

.card-icon {
    font-size: 64px;
    margin-bottom: 20px;
    transition: transform 0.3s ease;
}

.card-image {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    transition: transform 0.3s ease;
    box-shadow: 0 4px 15px rgba(30, 74, 111, 0.2);
}

/* 潘通色卡颜色 */
.moonlight-blue {
    background-color: rgb(225, 232, 240);
}

.paraiba-blue {
    background-color: rgb(0, 191, 255);
}

.tiffany-blue {
    background-color: rgb(64, 224, 208);
}

.instagram-blue {
    background-color: rgb(138, 162, 183);
}

.card:hover .card-icon {
    transform: scale(1.1) rotate(5deg);
}

.card:hover .card-image {
    transform: scale(1.1);
}

.card-title {
    font-size: 24px;
    color: #1E4A6F;
    margin-bottom: 10px;
    font-weight: 500;
}

.card-description {
    font-size: 14px;
    color: #4A7BA7;
    line-height: 1.6;
}

/* 树洞页面样式 */
.treehole-content {
    max-width: 800px;
    margin: 0 auto;
}

.back-btn {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    border: none;
    padding: 10px 20px;
    border-radius: 20px;
    cursor: pointer;
    color: #1E4A6F;
    font-size: 16px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(30, 74, 111, 0.1);
}

.back-btn:hover {
    background: rgba(255, 255, 255, 0.8);
    transform: translateX(-5px);
}

/* 留言容器 */
.messages-container {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 8px 32px rgba(30, 74, 111, 0.1);
}

.messages-header {
    text-align: center;
    margin-bottom: 30px;
}

.messages-header h2 {
    font-size: 28px;
    color: #1E4A6F;
    margin-bottom: 10px;
}

.messages-subtitle {
    font-size: 14px;
    color: #4A7BA7;
}

/* 留言列表 */
.messages-list {
    max-height: 500px;
    overflow-y: auto;
    padding-right: 10px;
}

.messages-list::-webkit-scrollbar {
    width: 6px;
}

.messages-list::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 3px;
}

.messages-list::-webkit-scrollbar-thumb {
    background: rgba(30, 74, 111, 0.3);
    border-radius: 3px;
}

/* 单条留言 */
.message-item {
    background: rgba(255, 255, 255, 0.5);
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 20px;
    transition: all 0.3s ease;
}

.message-item:hover {
    background: rgba(255, 255, 255, 0.7);
    transform: translateX(5px);
}

.message-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.message-author {
    font-weight: 600;
    color: #1E4A6F;
    font-size: 16px;
}

.message-time {
    font-size: 12px;
    color: #4A7BA7;
}

.message-content {
    color: #1E4A6F;
    line-height: 1.8;
    font-size: 15px;
    margin-bottom: 15px;
}

/* 回复样式 */
.replies {
    margin-top: 15px;
    padding-left: 20px;
    border-left: 3px solid #4A7BA7;
}

.reply {
    background: rgba(224, 242, 254, 0.5);
    border-radius: 10px;
    padding: 15px;
    margin-bottom: 10px;
}

.reply-author {
    font-weight: 600;
    color: #1E4A6F;
    font-size: 14px;
    margin-bottom: 5px;
}

.reply-content {
    color: #1E4A6F;
    line-height: 1.6;
    font-size: 14px;
}

/* 回复区域 */
.reply-section {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid rgba(30, 74, 111, 0.1);
}

.reply-input-container {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.reply-name-input {
    padding: 10px 15px;
    border: 1px solid rgba(30, 74, 111, 0.2);
    border-radius: 8px;
    font-size: 14px;
    background: rgba(255, 255, 255, 0.6);
    color: #1E4A6F;
    transition: all 0.3s ease;
    outline: none;
    font-family: 'KaiTi', 'STKaiti', '楷体', '楷体_GB2312', serif;
}

.reply-name-input:focus {
    border-color: #4A7BA7;
    background: rgba(255, 255, 255, 0.8);
    box-shadow: 0 0 0 2px rgba(74, 123, 167, 0.1);
}

.reply-content-input {
    padding: 10px 15px;
    border: 1px solid rgba(30, 74, 111, 0.2);
    border-radius: 8px;
    font-size: 14px;
    background: rgba(255, 255, 255, 0.6);
    color: #1E4A6F;
    transition: all 0.3s ease;
    outline: none;
    resize: vertical;
    font-family: 'KaiTi', 'STKaiti', '楷体', '楷体_GB2312', serif;
    min-height: 60px;
}

.reply-content-input:focus {
    border-color: #4A7BA7;
    background: rgba(255, 255, 255, 0.8);
    box-shadow: 0 0 0 2px rgba(74, 123, 167, 0.1);
}

.reply-btn {
    padding: 10px 20px;
    background: linear-gradient(135deg, #4A7BA7 0%, #1E4A6F 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'KaiTi', 'STKaiti', '楷体', '楷体_GB2312', serif;
    align-self: flex-start;
    box-shadow: 0 2px 10px rgba(30, 74, 111, 0.2);
}

.reply-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(30, 74, 111, 0.3);
}

.reply-btn:active {
    transform: translateY(0);
}

/* 留言表单 */
.message-form-container {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 8px 32px rgba(30, 74, 111, 0.1);
}

.message-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.form-input {
    padding: 15px 20px;
    border: 2px solid rgba(30, 74, 111, 0.2);
    border-radius: 12px;
    font-size: 16px;
    background: rgba(255, 255, 255, 0.8);
    color: #1E4A6F;
    transition: all 0.3s ease;
    outline: none;
}

.form-input:focus {
    border-color: #4A7BA7;
    box-shadow: 0 0 0 3px rgba(74, 123, 167, 0.1);
}

.form-textarea {
    padding: 15px 20px;
    border: 2px solid rgba(30, 74, 111, 0.2);
    border-radius: 12px;
    font-size: 16px;
    background: rgba(255, 255, 255, 0.8);
    color: #1E4A6F;
    transition: all 0.3s ease;
    outline: none;
    resize: vertical;
    font-family: inherit;
}

.form-textarea:focus {
    border-color: #4A7BA7;
    box-shadow: 0 0 0 3px rgba(74, 123, 167, 0.1);
}

.submit-btn {
    padding: 15px 30px;
    background: linear-gradient(135deg, #4A7BA7 0%, #1E4A6F 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'KaiTi', 'STKaiti', '楷体', '楷体_GB2312', serif;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(30, 74, 111, 0.4);
}

.submit-btn:active {
    transform: translateY(0);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .title {
        font-size: 36px;
    }
    
    .cards-container {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .card {
        padding: 30px 20px;
    }
    
    .messages-container,
    .message-form-container {
        padding: 20px;
    }
    
    .header {
        padding: 30px 15px;
    }
}

/* 动画效果 */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.message-item {
    animation: slideIn 0.5s ease-out;
}

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: #4A7BA7;
}

.empty-state-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.empty-state-text {
    font-size: 16px;
    line-height: 1.6;
}

/* 文艺风格增强 */
.site-title {
    font-family: 'KaiTi', 'STKaiti', '楷体', '楷体_GB2312', serif;
    font-size: 56px;
    font-weight: 400;
    letter-spacing: 8px;
    color: #1E4A6F;
    text-shadow: 2px 2px 8px rgba(30, 74, 111, 0.15);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 40px 20px;
}

.hero {
    text-align: center;
    padding: 60px 20px 40px;
}

.hero-title {
    font-family: 'KaiTi', 'STKaiti', '楷体', '楷体_GB2312', serif;
    font-size: 36px;
    color: #1E4A6F;
    margin-bottom: 15px;
    letter-spacing: 4px;
    font-weight: 400;
}

.hero-subtitle {
    font-family: 'KaiTi', 'STKaiti', '楷体', '楷体_GB2312', serif;
    font-size: 18px;
    color: #4A7BA7;
    letter-spacing: 2px;
    font-weight: 300;
}

.card-description {
    font-family: 'KaiTi', 'STKaiti', '楷体', '楷体_GB2312', serif;
    font-size: 16px;
    color: #4A7BA7;
    line-height: 1.8;
    letter-spacing: 1px;
    font-style: italic;
}

.card-title {
    font-family: 'KaiTi', 'STKaiti', '楷体', '楷体_GB2312', serif;
    font-size: 28px;
    color: #1E4A6F;
    margin-bottom: 15px;
    font-weight: 500;
    letter-spacing: 2px;
}

/* 雪花评分样式 */
.snowflake-rating {
    display: flex;
    gap: 8px;
    align-items: center;
    padding: 10px 0;
}

.snowflake {
    font-size: 28px;
    cursor: pointer;
    transition: all 0.3s ease;
    user-select: none;
    opacity: 0.3;
    filter: grayscale(100%);
}

.snowflake.clickable:hover {
    transform: scale(1.2);
    opacity: 0.6;
}

.snowflake.filled {
    opacity: 1;
    filter: grayscale(0%);
    text-shadow: 0 0 10px rgba(74, 123, 167, 0.5);
}

.snowflake.empty {
    opacity: 0.3;
    filter: grayscale(100%);
}

.book-rating,
.movie-rating {
    display: flex;
    gap: 5px;
    align-items: center;
}

.book-rating .snowflake,
.movie-rating .snowflake {
    font-size: 20px;
}

.book-item,
.movie-item {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 15px;
    box-shadow: 0 4px 15px rgba(30, 74, 111, 0.1);
    transition: all 0.3s ease;
}

.book-item:hover,
.movie-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(30, 74, 111, 0.15);
}

.book-header,
.movie-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.book-title,
.movie-title {
    font-family: 'KaiTi', 'STKaiti', '楷体', '楷体_GB2312', serif;
    font-size: 20px;
    color: #1E4A6F;
    margin: 0;
    font-weight: 500;
}

.book-author,
.movie-director {
    font-size: 14px;
    color: #4A7BA7;
    margin-bottom: 8px;
}

.book-review,
.movie-review {
    font-size: 14px;
    color: #4A7BA7;
    line-height: 1.6;
    margin-bottom: 12px;
    font-style: italic;
}

.book-actions,
.movie-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
}

.treehole-title {
    font-family: 'KaiTi', 'STKaiti', '楷体', '楷体_GB2312', serif;
    font-size: 42px;
    color: #1E4A6F;
    margin-bottom: 10px;
    letter-spacing: 4px;
    font-weight: 400;
}

.treehole-subtitle {
    font-family: 'KaiTi', 'STKaiti', '楷体', '楷体_GB2312', serif;
    font-size: 16px;
    color: #4A7BA7;
    letter-spacing: 1px;
    font-style: italic;
}

.messages-header h3 {
    font-family: 'KaiTi', 'STKaiti', '楷体', '楷体_GB2312', serif;
    font-size: 24px;
    color: #1E4A6F;
    letter-spacing: 2px;
    font-weight: 400;
}

.message-count {
    font-family: 'KaiTi', 'STKaiti', '楷体', '楷体_GB2312', serif;
    font-size: 14px;
    color: #4A7BA7;
    letter-spacing: 1px;
}

.input-header h3 {
    font-family: 'KaiTi', 'STKaiti', '楷体', '楷体_GB2312', serif;
    font-size: 24px;
    color: #1E4A6F;
    letter-spacing: 2px;
    font-weight: 400;
    margin-bottom: 20px;
}

.name-input, .message-input {
    font-family: 'KaiTi', 'STKaiti', '楷体', '楷体_GB2312', serif;
    letter-spacing: 1px;
}

.footer p {
    font-family: 'KaiTi', 'STKaiti', '楷体', '楷体_GB2312', serif;
    font-size: 14px;
    color: #4A7BA7;
    letter-spacing: 1px;
    font-style: italic;
}

/* 树洞容器样式 */
.treehole-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 20px;
}

.messages-section {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 8px 32px rgba(30, 74, 111, 0.1);
}

.message-input-section {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 8px 32px rgba(30, 74, 111, 0.1);
}

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

.name-input {
    padding: 15px 20px;
    border: 2px solid rgba(30, 74, 111, 0.2);
    border-radius: 12px;
    font-size: 16px;
    background: rgba(255, 255, 255, 0.8);
    color: #1E4A6F;
    transition: all 0.3s ease;
    outline: none;
}

.name-input:focus {
    border-color: #4A7BA7;
    box-shadow: 0 0 0 3px rgba(74, 123, 167, 0.1);
}

.message-input {
    padding: 15px 20px;
    border: 2px solid rgba(30, 74, 111, 0.2);
    border-radius: 12px;
    font-size: 16px;
    background: rgba(255, 255, 255, 0.8);
    color: #1E4A6F;
    transition: all 0.3s ease;
    outline: none;
    resize: vertical;
    font-family: inherit;
}

.message-input:focus {
    border-color: #4A7BA7;
    box-shadow: 0 0 0 3px rgba(74, 123, 167, 0.1);
}

.submit-btn {
    font-family: 'KaiTi', 'STKaiti', '楷体', '楷体_GB2312', serif;
    padding: 15px 30px;
    background: linear-gradient(135deg, #4A7BA7 0%, #1E4A6F 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 18px;
    font-weight: 400;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(30, 74, 111, 0.3);
    letter-spacing: 2px;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(30, 74, 111, 0.4);
}

.submit-btn:active {
    transform: translateY(0);
}

/* 响应式设计增强 */
@media (max-width: 768px) {
    .site-title {
        font-size: 42px;
        letter-spacing: 4px;
    }
    
    .hero-title {
        font-size: 28px;
        letter-spacing: 2px;
    }
    
    .hero-subtitle {
        font-size: 16px;
        letter-spacing: 1px;
    }
    
    .card-title {
        font-size: 24px;
        letter-spacing: 1px;
    }
    
    .card-description {
        font-size: 14px;
    }
    
    .treehole-title {
        font-size: 32px;
        letter-spacing: 2px;
    }
    
    .treehole-container {
        padding: 20px 15px;
    }
    
    .messages-section,
    .message-input-section {
        padding: 20px;
    }
}

/* 烟花粒子样式 */
.firework-particle {
    position: fixed;
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    animation: particleFade 0.1s ease-out;
}

@keyframes particleFade {
    0% {
        opacity: 1;
    }
    100% {
        opacity: 0;
    }
}

/* 日志之海页面样式 */
.journal-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
}

.journal-header {
    text-align: center;
    margin-bottom: 40px;
}

.journal-title {
    font-size: 36px;
    color: #1E4A6F;
    margin-bottom: 10px;
    font-weight: 300;
}

.journal-subtitle {
    font-size: 18px;
    color: #4A7BA7;
    font-weight: 300;
}

.journal-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}

/* 日历区域样式 */
.calendar-section {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 8px 32px rgba(30, 74, 111, 0.1);
}

.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
}

.calendar-nav-btn {
    width: 40px;
    height: 40px;
    border: none;
    background: linear-gradient(135deg, #9CA8B8 0%, #B8C4D4 100%);
    color: #fff;
    border-radius: 50%;
    font-size: 18px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(156, 168, 184, 0.3);
}

.calendar-nav-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(156, 168, 184, 0.4);
}

.calendar-controls {
    display: flex;
    gap: 15px;
    flex: 1;
    justify-content: center;
}

.calendar-select {
    padding: 10px 15px;
    border: 2px solid #D4D4D4;
    border-radius: 10px;
    font-size: 14px;
    background: rgba(255, 255, 255, 0.9);
    color: #666;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'KaiTi', 'STKaiti', '楷体', '楷体_GB2312', serif;
}

.calendar-select:hover {
    border-color: #9CA8B8;
    box-shadow: 0 0 0 3px rgba(156, 168, 184, 0.1);
}

.calendar-select:focus {
    outline: none;
    border-color: #9CA8B8;
    box-shadow: 0 0 0 3px rgba(156, 168, 184, 0.2);
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 8px;
}

.calendar-weekday {
    text-align: center;
    padding: 10px;
    font-size: 14px;
    color: #9CA8B8;
    font-weight: 600;
}

.calendar-day {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 16px;
    color: #666;
    background: rgba(255, 255, 255, 0.5);
    position: relative;
}

.calendar-day:hover {
    background: rgba(156, 168, 184, 0.3);
    transform: scale(1.05);
}

.calendar-day.today {
    background: linear-gradient(135deg, #D4B8C4 0%, #E8D8E0 100%);
    color: #fff;
    font-weight: 600;
}

.calendar-day.selected {
    background: linear-gradient(135deg, #9CA8B8 0%, #B8C4D4 100%);
    color: #fff;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(156, 168, 184, 0.4);
}

.calendar-day.has-entry::after {
    content: '♡';
    position: absolute;
    bottom: 3px;
    right: 3px;
    font-size: 10px;
    color: rgba(200, 200, 200, 0.7);
    text-shadow: 0 0 2px rgba(0, 0, 0, 0.05);
}

.calendar-day.has-entry:not(.selected):not(.today)::after {
    color: rgba(180, 180, 180, 0.6);
}

.calendar-day.empty {
    background: transparent;
    cursor: default;
}

.calendar-day.empty:hover {
    transform: none;
    background: transparent;
}

/* 日志输入区域样式 */
.journal-entry-section {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 8px 32px rgba(30, 74, 111, 0.1);
}

.section-title {
    font-size: 20px;
    color: #1E4A6F;
    margin-bottom: 20px;
    font-weight: 500;
}

.selected-date-info {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    padding: 15px;
    background: rgba(156, 168, 184, 0.15);
    border-radius: 12px;
    border-left: 4px solid #9CA8B8;
}

.date-label {
    font-size: 14px;
    color: #9CA8B8;
    font-weight: 600;
}

.date-value {
    font-size: 16px;
    color: #666;
    font-weight: 500;
}

.journal-entry {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.journal-textarea {
    width: 100%;
    padding: 20px;
    border: 2px solid #D4D4D4;
    border-radius: 15px;
    font-size: 15px;
    line-height: 1.8;
    resize: vertical;
    min-height: 300px;
    background: rgba(255, 255, 255, 0.9);
    color: #666;
    transition: all 0.3s ease;
    font-family: 'KaiTi', 'STKaiti', '楷体', '楷体_GB2312', serif;
}

.journal-textarea:focus {
    outline: none;
    border-color: #9CA8B8;
    box-shadow: 0 0 0 4px rgba(156, 168, 184, 0.1);
}

.journal-textarea::placeholder {
    color: #B8B8B8;
}

.save-journal-btn {
    padding: 15px 30px;
    background: linear-gradient(135deg, #9CA8B8 0%, #B8C4D4 100%);
    color: #fff;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(156, 168, 184, 0.3);
    font-family: 'KaiTi', 'STKaiti', '楷体', '楷体_GB2312', serif;
}

.save-journal-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(156, 168, 184, 0.4);
}

.save-journal-btn:active {
    transform: translateY(0);
}

/* 响应式设计 */
@media (max-width: 968px) {
    .journal-content {
        grid-template-columns: 1fr;
    }
    
    .calendar-section,
    .journal-entry-section {
        padding: 20px;
    }
    
    .calendar-day {
        font-size: 14px;
    }
    
    .journal-textarea {
        min-height: 250px;
    }
}

@media (max-width: 480px) {
    .journal-container {
        padding: 20px 10px;
    }
    
    .calendar-header {
        flex-direction: column;
        gap: 15px;
    }
    
    .calendar-controls {
        width: 100%;
        flex-direction: column;
    }
    
    .calendar-select {
        width: 100%;
    }
    
    .calendar-day {
        font-size: 12px;
        border-radius: 8px;
    }
    
    .journal-title {
        font-size: 28px;
    }
}

/* 用户区域样式 */
.user-section {
    display: flex;
    align-items: center;
    gap: 15px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 8px 16px;
}

.user-name {
    font-size: 16px;
    color: #1E4A6F;
    font-weight: 500;
}

.user-action-btn {
    padding: 6px 12px;
    background: linear-gradient(135deg, #4A7BA7 0%, #1E4A6F 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'KaiTi', 'STKaiti', '楷体', '楷体_GB2312', serif;
}

.user-action-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(30, 74, 111, 0.3);
}

.login-btn {
    padding: 10px 24px;
    background: linear-gradient(135deg, #4A7BA7 0%, #1E4A6F 100%);
    color: white;
    border: none;
    border-radius: 20px;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'KaiTi', 'STKaiti', '楷体', '楷体_GB2312', serif;
    box-shadow: 0 4px 15px rgba(30, 74, 111, 0.2);
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(30, 74, 111, 0.3);
}

/* 登录/注册页面样式 */
.auth-container {
    max-width: 500px;
    margin: 60px auto;
    padding: 40px;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(30, 74, 111, 0.1);
}

.auth-header {
    text-align: center;
    margin-bottom: 30px;
}

.auth-title {
    font-family: 'KaiTi', 'STKaiti', '楷体', '楷体_GB2312', serif;
    font-size: 32px;
    color: #1E4A6F;
    margin-bottom: 10px;
    letter-spacing: 2px;
}

.auth-subtitle {
    font-family: 'KaiTi', 'STKaiti', '楷体', '楷体_GB2312', serif;
    font-size: 16px;
    color: #4A7BA7;
    letter-spacing: 1px;
}

.auth-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
    background: rgba(224, 242, 254, 0.5);
    border-radius: 12px;
    padding: 5px;
}

.auth-tab {
    flex: 1;
    padding: 12px;
    background: transparent;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'KaiTi', 'STKaiti', '楷体', '楷体_GB2312', serif;
    color: #4A7BA7;
}

.auth-tab:hover {
    background: rgba(255, 255, 255, 0.5);
}

.auth-tab.active {
    background: white;
    color: #1E4A6F;
    font-weight: 500;
    box-shadow: 0 2px 8px rgba(30, 74, 111, 0.1);
}

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

.auth-btn {
    padding: 15px 30px;
    background: linear-gradient(135deg, #4A7BA7 0%, #1E4A6F 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 18px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'KaiTi', 'STKaiti', '楷体', '楷体_GB2312', serif;
    box-shadow: 0 4px 15px rgba(30, 74, 111, 0.2);
    letter-spacing: 2px;
}

.auth-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(30, 74, 111, 0.3);
}

/* 响应式设计增强 */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 15px;
    }
    
    .user-section {
        flex-direction: column;
        gap: 10px;
    }
    
    .user-info {
        flex-direction: column;
        gap: 8px;
    }
    
    .auth-container {
        margin: 30px 15px;
        padding: 25px;
    }
    
    .auth-title {
        font-size: 28px;
    }
    
    .auth-tabs {
        flex-direction: column;
    }
}

/* 便利贴样式 */
.sticky-notes-section {
    margin-top: 30px;
    padding: 25px;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(30, 74, 111, 0.1);
}

.sticky-notes-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.sticky-notes-title {
    font-size: 22px;
    color: #1E4A6F;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.add-sticky-note-btn {
    padding: 10px 20px;
    background: linear-gradient(135deg, #D4B8C4 0%, #E8D8E0 100%);
    color: #fff;
    border: none;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(212, 184, 196, 0.3);
    font-family: 'KaiTi', 'STKaiti', '楷体', '楷体_GB2312', serif;
}

.add-sticky-note-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(212, 184, 196, 0.4);
}

.add-sticky-note-btn:active {
    transform: translateY(0);
}

/* 便利贴网格 */
.sticky-notes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 20px;
}

/* 便利贴卡片 - 莫兰迪色系 */
.sticky-note {
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
    min-height: 180px;
    display: flex;
    flex-direction: column;
    cursor: pointer;
}

.sticky-note:hover {
    transform: translateY(-5px) rotate(1deg);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.sticky-note-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
    color: #333;
    word-wrap: break-word;
}

.sticky-note-content {
    font-size: 14px;
    line-height: 1.6;
    color: #555;
    flex-grow: 1;
    word-wrap: break-word;
    white-space: pre-wrap;
}

.sticky-note-actions {
    display: flex;
    gap: 10px;
    margin-top: 15px;
    padding-top: 12px;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.sticky-note-btn {
    padding: 6px 12px;
    background: rgba(255, 255, 255, 0.6);
    border: none;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    color: #666;
    font-family: 'KaiTi', 'STKaiti', '楷体', '楷体_GB2312', serif;
}

.sticky-note-btn:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: translateY(-1px);
}

.sticky-note-btn.delete {
    color: #D4B8C4;
}

.sticky-note-btn.delete:hover {
    background: #D4B8C4;
    color: #fff;
}

/* 便利贴弹窗 */
#stickyNoteModal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    backdrop-filter: blur(5px);
}

#stickyNoteModal.active {
    display: flex;
}

.sticky-note-modal-content {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 30px;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.2);
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.sticky-note-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
}

.sticky-note-modal-title {
    font-size: 24px;
    color: #1E4A6F;
    font-weight: 600;
}

.sticky-note-close-btn {
    background: none;
    border: none;
    font-size: 28px;
    color: #999;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 35px;
    height: 35px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.sticky-note-close-btn:hover {
    background: rgba(212, 184, 196, 0.2);
    color: #D4B8C4;
}

/* 便利贴表单 */
.sticky-note-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

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

.sticky-note-form-label {
    font-size: 14px;
    color: #666;
    font-weight: 600;
}

.sticky-note-form-input,
.sticky-note-form-textarea {
    padding: 12px 15px;
    border: 2px solid #E0E0E0;
    border-radius: 12px;
    font-size: 15px;
    background: rgba(255, 255, 255, 0.9);
    color: #333;
    transition: all 0.3s ease;
    font-family: 'KaiTi', 'STKaiti', '楷体', '楷体_GB2312', serif;
}

.sticky-note-form-input:focus,
.sticky-note-form-textarea:focus {
    outline: none;
    border-color: #D4B8C4;
    box-shadow: 0 0 0 4px rgba(212, 184, 196, 0.1);
}

.sticky-note-form-textarea {
    resize: vertical;
    min-height: 150px;
    line-height: 1.6;
}

/* 颜色选择器 - 莫兰迪色系 */
.sticky-note-color-picker {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.sticky-note-color-option {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 3px solid transparent;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.sticky-note-color-option:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.sticky-note-color-option.selected {
    border-color: #1E4A6F;
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(30, 74, 111, 0.3);
}

/* 莫兰迪色系颜色 */
.sticky-note-color-1 {
    background: #E0C9A6; /* 米黄色 */
}

.sticky-note-color-2 {
    background: #D4B8C4; /* 粉灰色 */
}

.sticky-note-color-3 {
    background: #9CA8B8; /* 蓝灰色 */
}

.sticky-note-color-4 {
    background: #B8C4D4; /* 淡蓝色 */
}

.sticky-note-color-5 {
    background: #C4D4B8; /* 淡绿色 */
}

/* 便利贴按钮组 */
.sticky-note-modal-actions {
    display: flex;
    gap: 12px;
    margin-top: 10px;
}

.sticky-note-modal-btn {
    flex: 1;
    padding: 12px 20px;
    border: none;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'KaiTi', 'STKaiti', '楷体', '楷体_GB2312', serif;
}

.sticky-note-modal-btn.cancel {
    background: rgba(212, 184, 196, 0.2);
    color: #D4B8C4;
}

.sticky-note-modal-btn.cancel:hover {
    background: rgba(212, 184, 196, 0.3);
    transform: translateY(-1px);
}

.sticky-note-modal-btn.save {
    background: linear-gradient(135deg, #D4B8C4 0%, #E8D8E0 100%);
    color: #fff;
    box-shadow: 0 4px 15px rgba(212, 184, 196, 0.3);
}

.sticky-note-modal-btn.save:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(212, 184, 196, 0.4);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .sticky-notes-grid {
        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
        gap: 15px;
    }
    
    .sticky-note {
        padding: 15px;
        min-height: 150px;
    }
    
    .sticky-note-title {
        font-size: 16px;
    }
    
    .sticky-note-content {
        font-size: 13px;
    }
    
    .sticky-note-modal-content {
        width: 95%;
        padding: 20px;
    }
    
    .sticky-note-modal-title {
        font-size: 20px;
    }
    
    .sticky-note-color-option {
        width: 35px;
        height: 35px;
    }
}



/* 浪漫永存淡出动画 */
.romance-forever {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-family: 'Dancing Script', cursive;
    font-size: 48px;
    color: #1E4A6F;
    opacity: 1;
    animation: romanceFadeOut 3s ease-in-out forwards;
    z-index: 10000;
    pointer-events: none;
    text-shadow: 2px 2px 4px rgba(30, 74, 111, 0.3);
}

@keyframes romanceFadeOut {
    0% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
    50% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1.1);
    }
    100% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(1.2);
    }
}

.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    animation: fadeIn 0.3s ease-in-out;
}

.modal-content {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    margin: 5% auto;
    padding: 0;
    border-radius: 20px;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 10px 40px rgba(30, 74, 111, 0.3);
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 25px 30px;
    border-bottom: 2px solid rgba(30, 74, 111, 0.1);
}

.modal-header h3 {
    font-family: 'KaiTi', 'STKaiti', '楷体', '楷体_GB2312', serif;
    font-size: 24px;
    color: #1E4A6F;
    margin: 0;
    letter-spacing: 2px;
}

.close-btn {
    font-size: 32px;
    font-weight: 300;
    color: #4A7BA7;
    cursor: pointer;
    transition: all 0.3s ease;
    line-height: 1;
}

.close-btn:hover {
    color: #1E4A6F;
    transform: rotate(90deg);
}

.modal-body {
    padding: 30px;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 15px;
    padding: 20px 30px;
    border-top: 2px solid rgba(30, 74, 111, 0.1);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-family: 'KaiTi', 'STKaiti', '楷体', '楷体_GB2312', serif;
    font-size: 16px;
    color: #1E4A6F;
    font-weight: 500;
}

.btn-cancel {
    padding: 12px 30px;
    background: rgba(255, 255, 255, 0.8);
    color: #4A7BA7;
    border: 2px solid #4A7BA7;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'KaiTi', 'STKaiti', '楷体', '楷体_GB2312', serif;
}

.btn-cancel:hover {
    background: rgba(74, 123, 167, 0.1);
    transform: translateY(-2px);
}

.btn-save {
    padding: 12px 30px;
    background: linear-gradient(135deg, #4A7BA7 0%, #1E4A6F 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'KaiTi', 'STKaiti', '楷体', '楷体_GB2312', serif;
}

.btn-save:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(30, 74, 111, 0.4);
}

.submit-btn:active {
    transform: translateY(0);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .title {
        font-size: 36px;
    }
    
    .cards-container {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .card {
        padding: 30px 20px;
    }
    
    .messages-container,
    .message-form-container {
        padding: 20px;
    }
    
    .header {
        padding: 30px 15px;
    }
}

/* 动画效果 */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.message-item {
    animation: slideIn 0.5s ease-out;
}

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: #4A7BA7;
}

.empty-state-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.empty-state-text {
    font-size: 16px;
    line-height: 1.6;
}

/* 文艺风格增强 */
.site-title {
    font-family: 'KaiTi', 'STKaiti', '楷体', '楷体_GB2312', serif;
    font-size: 56px;
    font-weight: 400;
    letter-spacing: 8px;
    color: #1E4A6F;
    text-shadow: 2px 2px 8px rgba(30, 74, 111, 0.15);
}

.header-content {
    padding: 40px 20px;
}

.hero {
    text-align: center;
    padding: 60px 20px 40px;
}

.hero-title {
    font-family: 'KaiTi', 'STKaiti', '楷体', '楷体_GB2312', serif;
    font-size: 36px;
    color: #1E4A6F;
    margin-bottom: 15px;
    letter-spacing: 4px;
    font-weight: 400;
}

.hero-subtitle {
    font-family: 'KaiTi', 'STKaiti', '楷体', '楷体_GB2312', serif;
    font-size: 18px;
    color: #4A7BA7;
    letter-spacing: 2px;
    font-weight: 300;
}

.card-description {
    font-family: 'KaiTi', 'STKaiti', '楷体', '楷体_GB2312', serif;
    font-size: 16px;
    color: #4A7BA7;
    line-height: 1.8;
    letter-spacing: 1px;
    font-style: italic;
}

.card-title {
    font-family: 'KaiTi', 'STKaiti', '楷体', '楷体_GB2312', serif;
    font-size: 28px;
    color: #1E4A6F;
    margin-bottom: 15px;
    font-weight: 500;
    letter-spacing: 2px;
}

.treehole-title {
    font-family: 'KaiTi', 'STKaiti', '楷体', '楷体_GB2312', serif;
    font-size: 42px;
    color: #1E4A6F;
    margin-bottom: 10px;
    letter-spacing: 4px;
    font-weight: 400;
}

.treehole-subtitle {
    font-family: 'KaiTi', 'STKaiti', '楷体', '楷体_GB2312', serif;
    font-size: 16px;
    color: #4A7BA7;
    letter-spacing: 1px;
    font-style: italic;
}

.messages-header h3 {
    font-family: 'KaiTi', 'STKaiti', '楷体', '楷体_GB2312', serif;
    font-size: 24px;
    color: #1E4A6F;
    letter-spacing: 2px;
    font-weight: 400;
}

.message-count {
    font-family: 'KaiTi', 'STKaiti', '楷体', '楷体_GB2312', serif;
    font-size: 14px;
    color: #4A7BA7;
    letter-spacing: 1px;
}

.input-header h3 {
    font-family: 'KaiTi', 'STKaiti', '楷体', '楷体_GB2312', serif;
    font-size: 24px;
    color: #1E4A6F;
    letter-spacing: 2px;
    font-weight: 400;
    margin-bottom: 20px;
}

.name-input, .message-input {
    font-family: 'KaiTi', 'STKaiti', '楷体', '楷体_GB2312', serif;
    letter-spacing: 1px;
}

.footer p {
    font-family: 'KaiTi', 'STKaiti', '楷体', '楷体_GB2312', serif;
    font-size: 14px;
    color: #4A7BA7;
    letter-spacing: 1px;
    font-style: italic;
}

/* 树洞容器样式 */
.treehole-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 20px;
}

.messages-section {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 8px 32px rgba(30, 74, 111, 0.1);
}

.message-input-section {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 8px 32px rgba(30, 74, 111, 0.1);
}

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

.name-input {
    padding: 15px 20px;
    border: 2px solid rgba(30, 74, 111, 0.2);
    border-radius: 12px;
    font-size: 16px;
    background: rgba(255, 255, 255, 0.8);
    color: #1E4A6F;
    transition: all 0.3s ease;
    outline: none;
}

.name-input:focus {
    border-color: #4A7BA7;
    box-shadow: 0 0 0 3px rgba(74, 123, 167, 0.1);
}

.message-input {
    padding: 15px 20px;
    border: 2px solid rgba(30, 74, 111, 0.2);
    border-radius: 12px;
    font-size: 16px;
    background: rgba(255, 255, 255, 0.8);
    color: #1E4A6F;
    transition: all 0.3s ease;
    outline: none;
    resize: vertical;
    font-family: inherit;
}

.message-input:focus {
    border-color: #4A7BA7;
    box-shadow: 0 0 0 3px rgba(74, 123, 167, 0.1);
}

.submit-btn {
    font-family: 'KaiTi', 'STKaiti', '楷体', '楷体_GB2312', serif;
    padding: 15px 30px;
    background: linear-gradient(135deg, #4A7BA7 0%, #1E4A6F 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 18px;
    font-weight: 400;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(30, 74, 111, 0.3);
    letter-spacing: 2px;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(30, 74, 111, 0.4);
}

.submit-btn:active {
    transform: translateY(0);
}

/* 响应式设计增强 */
@media (max-width: 768px) {
    .site-title {
        font-size: 42px;
        letter-spacing: 4px;
    }
    
    .hero-title {
        font-size: 28px;
        letter-spacing: 2px;
    }
    
    .hero-subtitle {
        font-size: 16px;
        letter-spacing: 1px;
    }
    
    .card-title {
        font-size: 24px;
        letter-spacing: 1px;
    }
    
    .card-description {
        font-size: 14px;
    }
    
    .treehole-title {
        font-size: 32px;
        letter-spacing: 2px;
    }
    
    .treehole-container {
        padding: 20px 15px;
    }
    
    .messages-section,
    .message-input-section {
        padding: 20px;
    }
}

/* 烟花粒子样式 */
.firework-particle {
    position: fixed;
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    animation: particleFade 0.1s ease-out;
}

@keyframes particleFade {
    0% {
        opacity: 1;
    }
    100% {
        opacity: 0;
    }
}

/* 日志之海页面样式 */
.journal-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
}

.journal-header {
    text-align: center;
    margin-bottom: 40px;
}

.journal-title {
    font-size: 36px;
    color: #1E4A6F;
    margin-bottom: 10px;
    font-weight: 300;
}

.journal-subtitle {
    font-size: 18px;
    color: #4A7BA7;
    font-weight: 300;
}

.journal-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}

/* 日历区域样式 */
.calendar-section {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 8px 32px rgba(30, 74, 111, 0.1);
}

.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
}

.calendar-nav-btn {
    width: 40px;
    height: 40px;
    border: none;
    background: linear-gradient(135deg, #9CA8B8 0%, #B8C4D4 100%);
    color: #fff;
    border-radius: 50%;
    font-size: 18px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(156, 168, 184, 0.3);
}

.calendar-nav-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(156, 168, 184, 0.4);
}

.calendar-controls {
    display: flex;
    gap: 15px;
    flex: 1;
    justify-content: center;
}

.calendar-select {
    padding: 10px 15px;
    border: 2px solid #D4D4D4;
    border-radius: 10px;
    font-size: 14px;
    background: rgba(255, 255, 255, 0.9);
    color: #666;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'KaiTi', 'STKaiti', '楷体', '楷体_GB2312', serif;
}

.calendar-select:hover {
    border-color: #9CA8B8;
    box-shadow: 0 0 0 3px rgba(156, 168, 184, 0.1);
}

.calendar-select:focus {
    outline: none;
    border-color: #9CA8B8;
    box-shadow: 0 0 0 3px rgba(156, 168, 184, 0.2);
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 8px;
}

.calendar-weekday {
    text-align: center;
    padding: 10px;
    font-size: 14px;
    color: #9CA8B8;
    font-weight: 600;
}

.calendar-day {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 16px;
    color: #666;
    background: rgba(255, 255, 255, 0.5);
    position: relative;
}

.calendar-day:hover {
    background: rgba(156, 168, 184, 0.3);
    transform: scale(1.05);
}

.calendar-day.today {
    background: linear-gradient(135deg, #D4B8C4 0%, #E8D8E0 100%);
    color: #fff;
    font-weight: 600;
}

.calendar-day.selected {
    background: linear-gradient(135deg, #9CA8B8 0%, #B8C4D4 100%);
    color: #fff;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(156, 168, 184, 0.4);
}

.calendar-day.has-entry::after {
    content: '♡';
    position: absolute;
    bottom: 3px;
    right: 3px;
    font-size: 10px;
    color: rgba(200, 200, 200, 0.7);
    text-shadow: 0 0 2px rgba(0, 0, 0, 0.05);
}

.calendar-day.has-entry:not(.selected):not(.today)::after {
    color: rgba(180, 180, 180, 0.6);
}

.calendar-day.empty {
    background: transparent;
    cursor: default;
}

.calendar-day.empty:hover {
    transform: none;
    background: transparent;
}

/* 日志输入区域样式 */
.journal-entry-section {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 8px 32px rgba(30, 74, 111, 0.1);
}

.section-title {
    font-size: 20px;
    color: #1E4A6F;
    margin-bottom: 20px;
    font-weight: 500;
}

.selected-date-info {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    padding: 15px;
    background: rgba(156, 168, 184, 0.15);
    border-radius: 12px;
    border-left: 4px solid #9CA8B8;
}

.date-label {
    font-size: 14px;
    color: #9CA8B8;
    font-weight: 600;
}

.date-value {
    font-size: 16px;
    color: #666;
    font-weight: 500;
}

.journal-entry {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.journal-textarea {
    width: 100%;
    padding: 20px;
    border: 2px solid #D4D4D4;
    border-radius: 15px;
    font-size: 15px;
    line-height: 1.8;
    resize: vertical;
    min-height: 300px;
    background: rgba(255, 255, 255, 0.9);
    color: #666;
    transition: all 0.3s ease;
    font-family: 'KaiTi', 'STKaiti', '楷体', '楷体_GB2312', serif;
}

.journal-textarea:focus {
    outline: none;
    border-color: #9CA8B8;
    box-shadow: 0 0 0 4px rgba(156, 168, 184, 0.1);
}

.journal-textarea::placeholder {
    color: #B8B8B8;
}

.save-journal-btn {
    padding: 15px 30px;
    background: linear-gradient(135deg, #9CA8B8 0%, #B8C4D4 100%);
    color: #fff;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(156, 168, 184, 0.3);
    font-family: 'KaiTi', 'STKaiti', '楷体', '楷体_GB2312', serif;
}

.save-journal-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(156, 168, 184, 0.4);
}

.save-journal-btn:active {
    transform: translateY(0);
}

/* 响应式设计 */
@media (max-width: 968px) {
    .journal-content {
        grid-template-columns: 1fr;
    }
    
    .calendar-section,
    .journal-entry-section {
        padding: 20px;
    }
    
    .calendar-day {
        font-size: 14px;
    }
    
    .journal-textarea {
        min-height: 250px;
    }
}

@media (max-width: 480px) {
    .journal-container {
        padding: 20px 10px;
    }
    
    .calendar-header {
        flex-direction: column;
        gap: 15px;
    }
    
    .calendar-controls {
        width: 100%;
        flex-direction: column;
    }
    
    .calendar-select {
        width: 100%;
    }
    
    .calendar-day {
        font-size: 12px;
        border-radius: 8px;
    }
    
    .journal-title {
        font-size: 28px;
    }
}