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

:root {
    --bg-color: #f5f3ee;
    --paper-color: #faf8f3;
    --text-color: #333;
    --text-light: #666;
    --accent-color: #c0392b;
    --accent-light: #e74c3c;
    --border-color: #e0ddd5;
    --shadow: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-hover: 0 4px 16px rgba(0,0,0,0.12);
    
    /* 新增配色 */
    --warm-beige: #f5f0e6;
    --soft-cream: #faf7f0;
    --pencil-gray: #5a5a5a;
    --ink-blue: #2c3e50;
    --highlight-yellow: #fff9c4;
}

body {
    font-family: 'LXGW WenKai', 'Noto Sans SC', sans-serif;
    background: var(--bg-color);
    color: var(--text-color);
    line-height: 1.8;
    font-size: 16px;
    /* 纸张纹理背景 */
    background-image: 
        linear-gradient(90deg, rgba(0,0,0,0.02) 1px, transparent 1px),
        linear-gradient(rgba(0,0,0,0.02) 1px, transparent 1px);
    background-size: 20px 20px, 20px 20px;
}

/* ===== 导航 ===== */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 40px;
    z-index: 1000;
    box-shadow: var(--shadow);
}

.nav-logo {
    font-size: 20px;
    font-weight: 700;
    color: var(--accent-color);
    text-decoration: none;
    white-space: nowrap;
    flex-shrink: 0;
}

.nav-links {
    display: flex;
    gap: 28px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-size: 15px;
    font-weight: 500;
    transition: color 0.2s;
    padding: 6px 0;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--accent-color);
}

.hamburger {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
}

/* ===== 首页布局 ===== */
.home {
    padding-top: 80px;
    max-width: 900px;
    margin: 0 auto;
    padding-left: 20px;
    padding-right: 20px;
}

/* ===== Hero 区域 - 带装饰 ===== */
.hero {
    text-align: center;
    padding: 60px 20px 50px;
    background: var(--paper-color);
    border-radius: 16px;
    margin-bottom: 40px;
    box-shadow: var(--shadow);
    position: relative;
    /* 胶带效果 */
    border: 1px solid var(--border-color);
}

/* 顶部装饰条 */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-color), var(--accent-light));
    border-radius: 16px 16px 0 0;
}

/* 角落装饰 */
.hero::after {
    content: '🦦';
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 40px;
    opacity: 0.15;
}

.hero h1 {
    font-size: 36px;
    margin-bottom: 16px;
    color: var(--text-color);
}

.tagline {
    font-size: 18px;
    color: var(--accent-color);
    font-weight: 600;
    margin-bottom: 20px;
    /* 手写风格下划线 */
    display: inline-block;
    position: relative;
}

.tagline::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--accent-light), transparent);
    border-radius: 2px;
}

.description {
    font-size: 16px;
    color: var(--text-light);
    line-height: 1.9;
    margin-bottom: 32px;
}

/* 统计数据 */
.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    max-width: 600px;
    margin: 0 auto;
}

.stat-item {
    text-align: center;
    padding: 16px;
    background: var(--bg-color);
    border-radius: 12px;
    border: 1px dashed var(--border-color);
}

.stat-number {
    display: block;
    font-size: 28px;
    font-weight: 700;
    color: var(--accent-color);
}

.stat-label {
    font-size: 13px;
    color: var(--text-light);
}

/* ===== 最新动态 ===== */
.latest {
    background: var(--paper-color);
    border-radius: 16px;
    padding: 32px;
    margin-bottom: 40px;
    box-shadow: var(--shadow);
    position: relative;
}

/* 便签效果 */
.latest::before {
    content: '';
    position: absolute;
    top: -10px;
    left: 30px;
    width: 100px;
    height: 30px;
    background: var(--highlight-yellow);
    transform: rotate(-2deg);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    z-index: -1;
}

.latest h2 {
    font-size: 22px;
    margin-bottom: 24px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 8px;
}

/* 时间线 */
.timeline {
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 60px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: repeating-linear-gradient(
        to bottom,
        var(--border-color) 0,
        var(--border-color) 8px,
        transparent 8px,
        transparent 16px
    );
}

.timeline-item {
    display: flex;
    margin-bottom: 20px;
    position: relative;
}

.timeline-date {
    width: 80px;
    font-size: 13px;
    color: var(--text-light);
    font-weight: 500;
    padding-top: 4px;
}

.timeline-content {
    flex: 1;
    margin-left: 20px;
    padding: 12px 16px;
    background: var(--bg-color);
    border-radius: 8px;
    position: relative;
    border-left: 3px solid var(--accent-color);
}

.timeline-content::before {
    content: '';
    position: absolute;
    left: -9px;
    top: 16px;
    width: 12px;
    height: 12px;
    background: var(--accent-color);
    border-radius: 50%;
    border: 3px solid var(--paper-color);
}

.timeline-content .tag {
    display: inline-block;
    font-size: 11px;
    color: var(--accent-color);
    background: rgba(192,57,43,0.08);
    padding: 2px 8px;
    border-radius: 4px;
    margin-bottom: 6px;
    font-weight: 600;
}

.timeline-content p {
    font-size: 14px;
    color: var(--text-color);
    margin: 0;
}

.btn-more {
    display: inline-block;
    margin-top: 16px;
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
}

.btn-more:hover {
    text-decoration: underline;
}

/* ===== 快速导航 ===== */
.quick-nav {
    margin-bottom: 60px;
}

.quick-nav h2 {
    font-size: 22px;
    margin-bottom: 24px;
    text-align: center;
}

.nav-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.nav-card {
    background: var(--paper-color);
    border-radius: 16px;
    padding: 28px;
    text-align: center;
    text-decoration: none;
    color: var(--text-color);
    box-shadow: var(--shadow);
    transition: all 0.3s;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

/* 卡片悬停效果 */
.nav-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: var(--accent-color);
}

/* 卡片装饰角 */
.nav-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, transparent 50%, var(--border-color) 50%);
    opacity: 0.3;
}

.card-icon {
    font-size: 48px;
    margin-bottom: 16px;
    display: block;
}

.nav-card h3 {
    font-size: 18px;
    margin-bottom: 0;
    color: var(--accent-color);
}

.nav-card p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.7;
    margin-top: 8px;
}

/* ===== 页脚 ===== */
footer {
    text-align: center;
    padding: 40px 20px;
    background: var(--paper-color);
    border-top: 1px solid var(--border-color);
    position: relative;
}

/* 页脚装饰 */
footer::before {
    content: '✦ ✦ ✦';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-color);
    padding: 0 20px;
    color: var(--border-color);
    font-size: 14px;
    letter-spacing: 8px;
}

footer p {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 16px;
}

.footer-meta {
    font-size: 12px;
    opacity: 0.7;
}

/* ===== 搜索弹窗 ===== */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 2000;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.modal.open {
    display: flex;
}

.modal-content {
    background: var(--paper-color);
    border-radius: 16px;
    max-width: 600px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
    padding: 28px;
    position: relative;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.close {
    position: absolute;
    top: 16px;
    right: 20px;
    font-size: 28px;
    cursor: pointer;
    color: var(--text-light);
}

.close:hover {
    color: var(--accent-color);
}

#search-input {
    width: 100%;
    padding: 12px 16px;
    font-size: 16px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    margin: 16px 0;
    font-family: inherit;
    background: var(--bg-color);
}

#search-input:focus {
    outline: none;
    border-color: var(--accent-color);
}

/* ===== 响应式 ===== */
@media (max-width: 768px) {
    nav {
        padding: 0 20px;
    }
    
    .nav-links {
        display: none;
    }
    
    .hamburger {
        display: block;
    }
    
    .hero h1 {
        font-size: 28px;
    }
    
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    
    .nav-cards {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-date {
        width: 60px;
        font-size: 11px;
    }
    
    .timeline-content {
        margin-left: 12px;
    }
}

/* 大号吉祥物 */
.mascot-large {
    font-size: 80px;
    margin-bottom: 16px;
    animation: float 3s ease-in-out infinite;
    display: inline-block;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* 章节标题装饰 */
.section-emoji {
    font-size: 0.7em;
    opacity: 0.6;
}

/* 装饰性分隔线 */
.divider {
    text-align: center;
    margin: 40px 0;
    color: var(--border-color);
    font-size: 20px;
    letter-spacing: 10px;
}

/* 手写风格引用块 */
.quote-box {
    background: var(--highlight-yellow);
    padding: 20px 24px;
    border-radius: 8px;
    margin: 20px 0;
    position: relative;
    transform: rotate(-1deg);
    box-shadow: 2px 2px 8px rgba(0,0,0,0.1);
}

.quote-box::before {
    content: '"';
    font-size: 60px;
    color: var(--accent-color);
    opacity: 0.3;
    position: absolute;
    top: -10px;
    left: 10px;
    font-family: Georgia, serif;
}

/* 标签云 */
.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 16px 0;
}

.tag-cloud .tag {
    background: var(--bg-color);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 13px;
    border: 1px dashed var(--border-color);
}

/* 进度条装饰 */
.progress-stripe {
    height: 4px;
    background: repeating-linear-gradient(
        45deg,
        var(--accent-color),
        var(--accent-color) 10px,
        var(--accent-light) 10px,
        var(--accent-light) 20px
    );
    border-radius: 2px;
    margin: 20px 0;
}

/* 印章效果 */
.stamp {
    display: inline-block;
    border: 3px solid var(--accent-color);
    color: var(--accent-color);
    padding: 4px 12px;
    border-radius: 4px;
    font-weight: 700;
    font-size: 14px;
    transform: rotate(-5deg);
    opacity: 0.8;
}

/* ===== 技能页面样式 ===== */
.skills-overview {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 48px;
    padding: 24px;
    background: var(--paper-color);
    border-radius: 16px;
    box-shadow: var(--shadow);
}

.skill-stat {
    text-align: center;
}

.skill-stat .stat-num {
    display: block;
    font-size: 36px;
    font-weight: 700;
    color: var(--accent-color);
}

.skill-stat .stat-name {
    font-size: 14px;
    color: var(--text-light);
}

/* 技能区块 */
.skills-section {
    margin-bottom: 48px;
}

.skills-section h2 {
    font-size: 22px;
    margin-bottom: 24px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 8px;
}

/* 技能卡片网格 */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.skill-card {
    background: var(--paper-color);
    border-radius: 16px;
    padding: 28px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    transition: all 0.3s;
    position: relative;
}

.skill-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.skill-card.featured {
    border-color: var(--accent-color);
    border-width: 2px;
}

.skill-card.featured::before {
    content: '★';
    position: absolute;
    top: 12px;
    right: 12px;
    color: var(--accent-color);
    font-size: 20px;
}

.skill-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.skill-card h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--accent-color);
}

.skill-card p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 16px;
}

.skill-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.skill-tag {
    font-size: 11px;
    padding: 3px 10px;
    border-radius: 20px;
    background: var(--bg-color);
    color: var(--text-light);
    border: 1px dashed var(--border-color);
}

/* 知识库列表 */
.knowledge-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.knowledge-item {
    display: flex;
    gap: 20px;
    background: var(--paper-color);
    padding: 24px;
    border-radius: 16px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.knowledge-icon {
    font-size: 40px;
    flex-shrink: 0;
}

.knowledge-content h4 {
    font-size: 16px;
    margin-bottom: 16px;
    color: var(--accent-color);
}

.knowledge-content p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 16px;
}

.knowledge-date {
    font-size: 12px;
    color: var(--text-light);
    opacity: 0.7;
}

/* 工具网格 */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.tool-item {
    background: var(--paper-color);
    padding: 20px;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    transition: all 0.2s;
}

.tool-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.tool-icon {
    font-size: 32px;
    display: block;
    margin-bottom: 16px;
}

.tool-name {
    display: block;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 4px;
}

.tool-level {
    font-size: 11px;
    color: var(--text-light);
    padding: 2px 8px;
    border-radius: 10px;
    background: var(--bg-color);
}

/* 成长路线 */
.roadmap {
    position: relative;
    padding-left: 40px;
}

.roadmap::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
}

.roadmap-item {
    display: flex;
    gap: 20px;
    margin-bottom: 24px;
    position: relative;
}

.roadmap-marker {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
    flex-shrink: 0;
    position: absolute;
    left: -40px;
    background: var(--paper-color);
    border: 2px solid var(--border-color);
}

.roadmap-item.completed .roadmap-marker {
    background: #d4edda;
    border-color: #28a745;
    color: #155724;
}

.roadmap-item.current .roadmap-marker {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: white;
    animation: pulse 2s infinite;
}

.roadmap-item.future .roadmap-marker {
    background: var(--bg-color);
    border-color: var(--border-color);
    color: var(--text-light);
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(192,57,43,0.4); }
    50% { box-shadow: 0 0 0 10px rgba(192,57,43,0); }
}

.roadmap-content {
    background: var(--paper-color);
    padding: 16px 20px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    flex: 1;
    border-left: 3px solid var(--border-color);
}

.roadmap-item.completed .roadmap-content {
    border-left-color: #28a745;
}

.roadmap-item.current .roadmap-content {
    border-left-color: var(--accent-color);
}

.roadmap-content h4 {
    font-size: 15px;
    margin-bottom: 4px;
}

.roadmap-content p {
    font-size: 13px;
    color: var(--text-light);
    margin: 0;
}

/* 响应式 */
@media (max-width: 768px) {
    nav {
        padding: 0 12px;
        height: 50px;
    }
    
    .nav-logo {
        font-size: 14px;
        white-space: nowrap;
    }
    
    .nav-links {
        gap: 10px;
    }
    
    .nav-links {
        gap: 12px;
    }
    
    .nav-links a {
        font-size: 13px;
        white-space: nowrap;
        padding: 4px 0;
    }
    
    .hamburger {
        display: block;
    }
    
    .hero h1 {
        font-size: 24px;
    }
    
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .stat-item {
        padding: 12px;
    }
    
    .stat-number {
        font-size: 22px;
    }
    
    .nav-cards {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    
    .nav-card {
        padding: 20px;
    }
    
    .card-icon {
        font-size: 36px;
    }
    
    .nav-card h3 {
        font-size: 15px;
    }
    
    .nav-card p {
        font-size: 12px;
        line-height: 1.6;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-date {
        width: 50px;
        font-size: 11px;
    }
    
    .timeline-content {
        margin-left: 10px;
        padding: 10px 14px;
    }
    
    .skills-overview {
        gap: 20px;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .tools-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .knowledge-item {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .nav-logo {
        font-size: 13px;
    }
    
    .nav-cards {
        grid-template-columns: 1fr;
    }
    
    .nav-links {
        gap: 6px;
    }
    
    .nav-links a {
        font-size: 10px;
        letter-spacing: -0.3px;
        padding: 2px 0;
    }
    
    .hero {
        padding: 40px 16px;
    }
    
    .hero h1 {
        font-size: 22px;
    }
    
    .tagline {
        font-size: 15px;
    }
    
    .description {
        font-size: 14px;
    }
    
    .mascot-large {
        font-size: 60px;
    }
    
    /* 快速导航卡片优化 */
    .nav-card {
        padding: 16px;
    }
    
    .nav-card h3 {
        font-size: 14px;
        margin-bottom: 6px;
    }
    
    .nav-card p {
        font-size: 11px;
        line-height: 1.5;
    }
}

/* 确保文字方向正确 */
.nav-card p,
.skill-card p,
.knowledge-content p {
    writing-mode: horizontal-tb;
    text-orientation: mixed;
}

/* 防止文字溢出 */
.nav-card,
.skill-card {
    overflow-wrap: break-word;
    word-wrap: break-word;
}

/* 额外的移动端优化 */
@media (max-width: 768px) {
    .home {
        padding-top: 70px;
    }
    
    .page {
        padding-top: 70px;
    }
}

@media (max-width: 380px) {
    .nav-logo {
        font-size: 12px;
    }
    
    .nav-links a {
        font-size: 9px;
    }
}

/* ===== 文章/教程页面样式 ===== */
.diary-article,
.doc-article {
    background: var(--paper-color);
    border-radius: 16px;
    padding: 40px;
    box-shadow: var(--shadow);
}

.article-header {
    margin-bottom: 32px;
    padding-bottom: 24px;
    border-bottom: 2px solid var(--border-color);
}

.article-meta {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.article-date {
    font-size: 14px;
    color: var(--text-light);
}

.article-tag {
    font-size: 12px;
    color: var(--accent-color);
    background: rgba(192,57,43,0.08);
    padding: 2px 10px;
    border-radius: 4px;
}

.doc-level {
    font-size: 12px;
    padding: 2px 10px;
    border-radius: 4px;
    font-weight: 600;
}

    background: #d4edda;
    color: #155724;
}

    background: #d1ecf1;
    color: #0c5460;
}

    background: #f8d7da;
    color: #721c24;
}

.article-header h1 {
    font-size: 28px;
    margin-bottom: 16px;
}

.article-desc {
    color: var(--text-light);
    font-size: 16px;
}

/* 目录 */
.article-toc {
    background: var(--bg-color);
    padding: 20px 24px;
    border-radius: 12px;
    margin-bottom: 32px;
}

.article-toc h3 {
    font-size: 16px;
    margin-bottom: 16px;
}

.article-toc ul {
    margin: 0;
    padding-left: 20px;
}

.article-toc li {
    margin-bottom: 6px;
}

.article-toc a {
    color: var(--accent-color);
    text-decoration: none;
}

.article-toc a:hover {
    text-decoration: underline;
}

/* 文章内容 */
.article-content h2 {
    font-size: 22px;
    margin: 32px 0 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
}

.article-content h3 {
    font-size: 18px;
    margin: 24px 0 12px;
    color: var(--accent-color);
}

.article-content p {
    margin-bottom: 16px;
    line-height: 1.8;
}

.article-content ul,
.article-content ol {
    margin-bottom: 16px;
    padding-left: 24px;
}

.article-content li {
    margin-bottom: 16px;
    line-height: 1.7;
}

.article-content pre {
    margin-bottom: 16px;
}

/* 提示框 */
.tip-box {
    background: #e8f4f8;
    border-left: 4px solid #17a2b8;
    padding: 16px 20px;
    border-radius: 0 8px 8px 0;
    margin: 20px 0;
}

.tip-box strong {
    color: #0c5460;
    display: block;
    margin-bottom: 16px;
}

/* 问题框 */
.problem-box {
    background: #fff3cd;
    border-left: 4px solid #ffc107;
    padding: 16px 20px;
    border-radius: 0 8px 8px 0;
    margin: 20px 0;
}

.problem-box p {
    margin-bottom: 16px;
}

.problem-box p:last-child {
    margin-bottom: 0;
}

/* 文章导航 */
.article-nav {
    display: flex;
    justify-content: space-between;
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

.btn-back,
.btn-next {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
    padding: 10px 20px;
    border: 1px solid var(--accent-color);
    border-radius: 8px;
    transition: all 0.2s;
}

.btn-back:hover,
.btn-next:hover {
    background: var(--accent-color);
    color: white;
}

/* 响应式 */
@media (max-width: 768px) {
    .diary-article,
    .doc-article {
        padding: 24px;
    }
    
    .article-header h1 {
        font-size: 22px;
    }
    
    .article-nav {
        flex-direction: column;
        gap: 12px;
    }
    
    .btn-back,
    .btn-next {
        text-align: center;
    }
}

/* 页面布局优化 - 增加边距 */
.page {
    padding-left: 40px !important;
    padding-right: 40px !important;
}

@media (max-width: 768px) {
    .page {
        padding-left: 24px !important;
        padding-right: 24px !important;
    }
}

/* ===== 优化卡片式布局 ===== */

/* 日记高亮卡片 */
.diary-highlights {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 16px;
}

.highlight-card {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--bg-color);
    padding: 12px 16px;
    border-radius: 10px;
    border-left: 3px solid var(--accent-color);
    transition: all 0.2s;
}

.highlight-card:hover {
    background: #f0ede6;
    transform: translateX(4px);
}

.highlight-icon {
    font-size: 20px;
    flex-shrink: 0;
}

.highlight-text {
    font-size: 14px;
    color: var(--text-color);
    line-height: 1.5;
}

/* 教程卡片优化 */
.doc-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.doc-icon {
    font-size: 40px;
}

.doc-badge {
    font-size: 11px;
    padding: 4px 10px;
    border-radius: 20px;
    font-weight: 600;
}

.doc-badge.beginner {
    background: #d4edda;
    color: #155724;
}

.doc-badge.intermediate {
    background: #d1ecf1;
    color: #0c5460;
}

.doc-badge.advanced {
    background: #f8d7da;
    color: #721c24;
}

.doc-badge.reference {
    background: #e2e3e5;
    color: #383d41;
}

.doc-card h3 {
    font-size: 18px;
    margin-bottom: 16px;
    color: var(--accent-color);
}

.doc-card p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 16px;
}

.doc-topics {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.topic-tag {
    font-size: 11px;
    padding: 3px 10px;
    border-radius: 12px;
    background: var(--bg-color);
    color: var(--text-light);
    border: 1px dashed var(--border-color);
}

/* 筛选栏优化 */
.filter-bar {
    background: var(--paper-color);
    padding: 16px 20px;
    border-radius: 12px;
    margin-bottom: 28px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    box-shadow: var(--shadow);
}

.filter-btn {
    padding: 8px 16px;
    border: 1px solid var(--border-color);
    background: white;
    border-radius: 20px;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
}

/* 卡片边框优化 */
.diary-item {
    border: 2px solid var(--border-color);
    border-radius: 16px;
    padding: 28px;
    background: var(--paper-color);
    box-shadow: var(--shadow);
    transition: all 0.3s;
}

.diary-item:hover {
    border-color: var(--accent-color);
    box-shadow: var(--shadow-hover);
}

.highlight-card {
    border: 1px solid var(--border-color);
    border-left: 3px solid var(--accent-color);
}

.highlight-card:hover {
    border-color: var(--accent-color);
}

.doc-card {
    border: 2px solid var(--border-color);
    border-radius: 16px;
    padding: 28px;
    background: var(--paper-color);
    box-shadow: var(--shadow);
    transition: all 0.3s;
    display: block;
    text-decoration: none;
    color: inherit;
}

.doc-card:hover {
    border-color: var(--accent-color);
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
}

.nav-card {
    border: 2px solid var(--border-color);
}

.nav-card:hover {
    border-color: var(--accent-color);
}

.skill-card {
    border: 2px solid var(--border-color);
}

.skill-card.featured {
    border-color: var(--accent-color);
    border-width: 2px;
}

.knowledge-item {
    border: 2px solid var(--border-color);
}

.tool-item {
    border: 2px solid var(--border-color);
}

/* 教程网格布局 */
.doc-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

@media (max-width: 768px) {
    .doc-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .doc-grid {
        grid-template-columns: 1fr;
    }
}

/* 卡片副标题 */
.card-subtitle {
    font-size: 12px;
    color: var(--text-light);
    margin-top: 6px;
    font-style: italic;
}

/* 页面描述优化 */
.page-desc {
    font-size: 17px;
    color: var(--text-light);
    letter-spacing: 3px;
    margin-top: 16px;
    line-height: 2;
}

@media (max-width: 768px) {
    .page-desc {
        font-size: 15px;
        letter-spacing: 2px;
        margin-top: 14px;
    }
}

/* ===== 深度文章样式 ===== */

/* 高亮框 */
.highlight-box {
    background: linear-gradient(135deg, #f5f3ee 0%, #faf8f3 100%);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    margin: 24px 0;
}

.highlight-box h3 {
    color: var(--accent-color);
    margin-bottom: 16px;
    font-size: 18px;
}

/* 步骤卡片 */
.step-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin: 20px 0;
}

.step-card {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--bg-color);
    padding: 16px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

.step-num {
    width: 32px;
    height: 32px;
    background: var(--accent-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
}

.step-card p {
    margin: 0;
    font-size: 14px;
}

/* 检查清单 */
.check-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin: 20px 0;
}

.check-item {
    background: #d4edda;
    color: #155724;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 14px;
}

.check-item code {
    background: rgba(0,0,0,0.1);
    padding: 2px 6px;
    border-radius: 4px;
}

/* 信息表格 */
.info-table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    font-size: 14px;
}

.info-table th,
.info-table td {
    padding: 12px;
    text-align: left;
    border: 1px solid var(--border-color);
}

.info-table th {
    background: var(--bg-color);
    font-weight: 600;
}

.info-table code {
    background: #f0ede6;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 13px;
}

/* 技巧卡片 */
.tip-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin: 20px 0;
}

.tip-card {
    background: var(--paper-color);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    transition: all 0.3s;
}

.tip-card:hover {
    border-color: var(--accent-color);
    transform: translateY(-2px);
}

.tip-icon {
    font-size: 32px;
    display: block;
    margin-bottom: 8px;
}

.tip-card h4 {
    font-size: 15px;
    margin-bottom: 6px;
    color: var(--accent-color);
}

.tip-card p {
    font-size: 13px;
    margin: 0;
    color: var(--text-light);
}

/* 警告框 */
.warning-box {
    background: #fff3cd;
    border-left: 4px solid #ffc107;
    padding: 16px 20px;
    border-radius: 0 8px 8px 0;
    margin: 20px 0;
}

.warning-box strong {
    color: #856404;
    display: block;
    margin-bottom: 8px;
}

/* 代码块 */
.code-block {
    background: #2d2d2d;
    color: #f8f8f2;
    padding: 20px;
    border-radius: 10px;
    overflow-x: auto;
    margin: 20px 0;
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: 13px;
    line-height: 1.6;
}

/* 优先级框 */
.priority-box {
    background: var(--bg-color);
    padding: 16px 20px;
    border-radius: 8px;
    text-align: center;
    margin: 20px 0;
    border: 2px dashed var(--border-color);
}

.priority-box code {
    font-size: 16px;
    font-weight: 600;
}

.priority-note {
    font-size: 13px;
    color: var(--text-light);
    margin-top: 6px;
}

/* 原则卡片 */
.principle-cards {
    display: flex;
    gap: 16px;
    margin: 20px 0;
}

.principle-card {
    flex: 1;
    background: var(--paper-color);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
}

.principle-icon {
    font-size: 28px;
    display: block;
    margin-bottom: 8px;
}

.principle-card h4 {
    font-size: 14px;
    margin-bottom: 4px;
    color: var(--accent-color);
}

.principle-card p {
    font-size: 12px;
    margin: 0;
    color: var(--text-light);
}

/* 安全列表 */
.security-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin: 20px 0;
}

.security-item {
    display: flex;
    gap: 16px;
    background: var(--bg-color);
    padding: 16px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

.security-icon {
    font-size: 24px;
    flex-shrink: 0;
}

.security-item h4 {
    font-size: 15px;
    margin-bottom: 4px;
    color: var(--accent-color);
}

.security-item p {
    font-size: 13px;
    margin: 0;
    color: var(--text-light);
}

/* 简单时间线 */
.timeline-simple {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin: 20px 0;
}

.timeline-item-simple {
    display: flex;
    align-items: center;
    gap: 16px;
    background: var(--bg-color);
    padding: 14px 18px;
    border-radius: 8px;
}

.timeline-week {
    background: var(--accent-color);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
}

.timeline-task {
    font-size: 14px;
}

/* 避坑表格 */
.pitfall-table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

.pitfall-table th,
.pitfall-table td {
    padding: 14px;
    text-align: left;
    border: 1px solid var(--border-color);
}

.pitfall-table th.wrong {
    background: #f8d7da;
    color: #721c24;
}

.pitfall-table th.right {
    background: #d4edda;
    color: #155724;
}

.pitfall-table td {
    font-size: 14px;
}

/* 资源列表 */
.resource-list {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin: 20px 0;
}

.resource-item {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-color);
    padding: 12px 16px;
    border-radius: 8px;
    text-decoration: none;
    color: var(--text-color);
    border: 1px solid var(--border-color);
    transition: all 0.2s;
}

.resource-item:hover {
    border-color: var(--accent-color);
    background: var(--paper-color);
}

.resource-icon {
    font-size: 20px;
}

.resource-name {
    font-size: 14px;
    font-weight: 500;
}

/* 总结框 */
.summary-box {
    background: linear-gradient(135deg, #f5f3ee 0%, #faf8f3 100%);
    border: 2px solid var(--accent-color);
    border-radius: 12px;
    padding: 28px;
    margin: 32px 0;
}

.summary-box h3 {
    color: var(--accent-color);
    margin-bottom: 16px;
    font-size: 20px;
}

.summary-box ol {
    margin-bottom: 20px;
}

.summary-box li {
    margin-bottom: 8px;
    line-height: 1.7;
}

.final-quote {
    text-align: center;
    font-style: italic;
    color: var(--text-light);
    font-size: 16px;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px dashed var(--border-color);
}

/* 文章底部元信息 */
.article-meta-footer {
    margin-top: 32px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    font-size: 13px;
    color: var(--text-light);
}

.article-meta-footer p {
    margin-bottom: 4px;
}

/* 响应式 */
@media (max-width: 768px) {
    .step-cards,
    .tip-cards {
        grid-template-columns: 1fr;
    }
    
    .principle-cards {
        flex-direction: column;
    }
    
    .timeline-item-simple {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
}

/* ===== 统信软件学习页面样式 ===== */

/* 统计网格 */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.stat-item-simple {
    text-align: center;
    padding: 20px;
    background: var(--paper-color);
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.stat-number-large {
    display: block;
    font-size: 32px;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 8px;
}

.stat-item-simple .stat-label {
    font-size: 14px;
    color: var(--text-light);
}

/* 产品卡片 */
.product-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin: 20px 0;
}

.product-card {
    background: var(--paper-color);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    text-align: center;
}

.product-icon {
    font-size: 40px;
    display: block;
    margin-bottom: 12px;
}

.product-card h4 {
    font-size: 16px;
    color: var(--accent-color);
    margin-bottom: 12px;
}

.product-card ul {
    text-align: left;
    margin: 0;
    padding-left: 20px;
}

.product-card li {
    font-size: 14px;
    margin-bottom: 6px;
    color: var(--text-light);
}

/* 解决方案列表 */
.solution-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin: 20px 0;
}

.solution-item {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--bg-color);
    padding: 14px 18px;
    border-radius: 8px;
    border-left: 3px solid var(--accent-color);
}

.solution-num {
    width: 28px;
    height: 28px;
    background: var(--accent-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    flex-shrink: 0;
}

.solution-text {
    font-size: 14px;
}

/* 行业标签 */
.industry-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 20px 0;
}

.industry-tag {
    background: var(--bg-color);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 13px;
    border: 1px dashed var(--border-color);
}

/* 技术表格 */
.tech-table table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

.tech-table th,
.tech-table td {
    padding: 14px;
    text-align: left;
    border: 1px solid var(--border-color);
}

.tech-table th {
    background: var(--bg-color);
    font-weight: 600;
    color: var(--accent-color);
}

.tech-table td {
    font-size: 14px;
}

/* 案例卡片 */
.case-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin: 20px 0;
}

.case-card {
    background: var(--paper-color);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    transition: all 0.3s;
}

.case-card:hover {
    border-color: var(--accent-color);
    transform: translateY(-2px);
}

.case-icon {
    font-size: 32px;
    display: block;
    margin-bottom: 10px;
}

.case-card h4 {
    font-size: 14px;
    color: var(--accent-color);
    margin-bottom: 6px;
}

.case-card p {
    font-size: 12px;
    color: var(--text-light);
    margin: 0;
}

/* 成果框 */
.achievement-box {
    background: linear-gradient(135deg, #f5f3ee 0%, #faf8f3 100%);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    margin: 24px 0;
}

.achievement-box h3 {
    color: var(--accent-color);
    margin-bottom: 16px;
}

.achievement-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.achievement-item {
    display: flex;
    gap: 14px;
    background: var(--paper-color);
    padding: 16px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

.achievement-icon {
    font-size: 28px;
    flex-shrink: 0;
}

.achievement-item h4 {
    font-size: 15px;
    color: var(--accent-color);
    margin-bottom: 4px;
}

.achievement-item p {
    font-size: 13px;
    color: var(--text-light);
    margin: 0;
}

/* 洞察框 */
.insight-box {
    background: #e8f4f8;
    border-left: 4px solid #17a2b8;
    padding: 20px 24px;
    border-radius: 0 12px 12px 0;
    margin: 20px 0;
}

.insight-box ul {
    margin: 0;
    padding-left: 20px;
}

.insight-box li {
    margin-bottom: 10px;
    line-height: 1.7;
}

/* 响应式 */
@media (max-width: 768px) {
    .stat-grid,
    .product-cards {
        grid-template-columns: 1fr;
    }
    
    .case-cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .case-cards {
        grid-template-columns: 1fr;
    }
}