/* 模拟飞行中心 - 文档/知识库类型样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-blue: #2196F3;
    --primary-blue-dark: #1976D2;
    --primary-blue-light: #64B5F6;
    --background: #F5F5F5;
    --text-primary: #212121;
    --text-secondary: #757575;
    --text-tertiary: #9E9E9E;
    --white: #FFFFFF;
    --border-color: #E0E0E0;
    --shadow: rgba(0, 0, 0, 0.1);
    --shadow-hover: rgba(0, 0, 0, 0.15);
    --glow: rgba(255, 255, 255, 0.3);
    --sidebar-width: 280px;
    /* 统一背景色变量 */
    --banner-bg: rgba(255, 255, 255, 0.85);
    --footer-bg: rgba(255, 255, 255, 0.85);
    --card-bg: rgba(255, 255, 255, 0.7);
}

/* 深色模式 */
[data-theme="dark"] {
    --background: #1a1a1a;
    --text-primary: #e0e0e0;
    --text-secondary: #b0b0b0;
    --text-tertiary: #808080;
    --white: #2a2a2a;
    --border-color: #404040;
    --shadow: rgba(0, 0, 0, 0.3);
    --shadow-hover: rgba(0, 0, 0, 0.4);
    --glow: rgba(255, 255, 255, 0.1);
    /* 统一背景色变量 */
    --banner-bg: rgba(26, 26, 26, 0.85);
    --footer-bg: rgba(26, 26, 26, 0.85);
    --card-bg: rgba(42, 42, 42, 0.7);
}

body {
    font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
    background: var(--background);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    transition: background-color 0.6s ease, color 0.6s ease;
}

/* 全局过渡效果 - 让所有元素在主题切换时平滑过渡 */
html {
    transition: background-color 0.6s ease;
}

body,
body *:not(script):not(style):not(meta):not(link):not(title) {
    transition: background-color 0.6s cubic-bezier(0.4, 0, 0.2, 1), 
                color 0.6s cubic-bezier(0.4, 0, 0.2, 1), 
                border-color 0.6s cubic-bezier(0.4, 0, 0.2, 1),
                box-shadow 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 水波覆盖层样式 */
.theme-ripple-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 99999;
    /* 不使用 mix-blend-mode，避免影响图片 */
}

/* Banner样式 - 毛玻璃效果 */
.banner {
    background: var(--banner-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px var(--shadow);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.banner-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.banner-settings {
    position: relative;
}

.settings-btn {
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.6rem;
    cursor: pointer;
    transition: all 0.3s ease;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

.settings-btn:hover {
    background: rgba(255, 255, 255, 0.8);
    border-color: var(--text-secondary);
    color: var(--text-primary);
    transform: rotate(90deg);
}

[data-theme="dark"] .settings-btn {
    background: rgba(42, 42, 42, 0.5);
}

[data-theme="dark"] .settings-btn:hover {
    background: rgba(42, 42, 42, 0.8);
}

.settings-menu {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 12px;
    padding: 0.5rem;
    box-shadow: 0 4px 20px var(--shadow);
    border: 1px solid var(--border-color);
    min-width: 150px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1001;
}

[data-theme="dark"] .settings-menu {
    background: rgba(42, 42, 42, 0.95);
    border-color: var(--border-color);
}

.settings-menu.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.settings-item {
    padding: 0.8rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.settings-item:hover {
    background: rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] .settings-item:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* 面包屑导航 */
.breadcrumb {
    background: var(--background);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    padding: 0.8rem 2rem;
}

[data-theme="dark"] .breadcrumb {
    background: var(--background);
}

.breadcrumb-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.breadcrumb-item {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    padding: 0.3rem 0.5rem;
    border-radius: 6px;
}

.breadcrumb-item:hover {
    color: var(--text-primary);
    background: rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] .breadcrumb-item:hover {
    background: rgba(255, 255, 255, 0.1);
}

.breadcrumb-current {
    color: var(--text-primary);
    font-weight: 500;
}

.breadcrumb-separator {
    color: var(--text-tertiary);
    font-size: 0.7rem;
    margin: 0 0.3rem;
}

.banner:not(.banner-no-animate) {
    animation: slideDown 0.6s ease-out;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.banner-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.banner-left {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-shrink: 0;
}

.logo {
    height: 40px;
    width: auto;
    user-select: none;
    -webkit-user-drag: none;
    -khtml-user-drag: none;
    -moz-user-drag: none;
    -o-user-drag: none;
}

.site-title {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--text-primary);
}

.banner-right {
    display: flex;
    align-items: center;
    gap: 2rem;
    flex: 1;
    justify-content: flex-end;
}

.banner-nav {
    display: flex;
    align-items: center;
    gap: 0;
}

.banner-search {
    flex-shrink: 0;
}

.search-form {
    margin: 0;
}

.banner-search-box {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.5rem 1rem;
    transition: all 0.3s ease;
    min-width: 200px;
}

[data-theme="dark"] .banner-search-box {
    background: rgba(255, 255, 255, 1) !important;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.banner-search-box:focus-within {
    background: rgba(255, 255, 255, 0.8);
    border-color: var(--text-secondary);
    box-shadow: 0 2px 10px var(--shadow);
}

[data-theme="dark"] .banner-search-box:focus-within {
    background: rgba(255, 255, 255, 1) !important;
}

.banner-search-box i {
    color: var(--text-secondary);
    margin-right: 0.5rem;
    font-size: 0.9rem;
}

[data-theme="dark"] .banner-search-box i {
    color: var(--text-secondary);
}

.banner-search-input {
    flex: 1;
    border: none;
    background: transparent;
    font-size: 0.9rem;
    color: #000000;
    outline: none;
    min-width: 0;
}

[data-theme="dark"] .banner-search-input {
    color: #000000 !important;
}

[data-theme="dark"] .banner-search-input::placeholder {
    color: var(--text-secondary) !important;
}

[data-theme="dark"] .banner-search-input::-webkit-input-placeholder {
    color: var(--text-secondary) !important;
}

[data-theme="dark"] .banner-search-input:-moz-placeholder {
    color: var(--text-secondary) !important;
}

[data-theme="dark"] .banner-search-input::-moz-placeholder {
    color: var(--text-secondary) !important;
}

[data-theme="dark"] .banner-search-input:-ms-input-placeholder {
    color: var(--text-secondary) !important;
}

/* 全局滚动条样式 */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--text-secondary) transparent;
}

*::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

*::-webkit-scrollbar-track {
    background: transparent;
    border-radius: 4px;
}

*::-webkit-scrollbar-thumb {
    background: var(--text-secondary);
    border-radius: 4px;
    transition: background 0.3s ease;
}

*::-webkit-scrollbar-thumb:hover {
    background: var(--text-primary);
}

[data-theme="dark"] *::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
}

[data-theme="dark"] *::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.5);
}

.banner-search-input::placeholder {
    color: var(--text-tertiary);
}

.banner-search-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    margin-left: 0.5rem;
}

.banner-search-btn:hover {
    color: var(--text-primary);
}

.nav-link {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-separator {
    color: var(--border-color);
    padding: 0 0.5rem;
    user-select: none;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

.nav-link:hover {
    color: var(--text-primary);
    background: rgba(0, 0, 0, 0.05);
}

.nav-link.active {
    color: var(--text-primary);
}

/* 主内容区域 - 文档布局 */
.main-content {
    flex: 1;
    display: flex;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
    padding: 2rem;
    gap: 2rem;
}

/* 主页布局 */
.main-content.home-layout {
    flex-direction: column;
    padding: 0;
    max-width: 100%;
}

/* 侧边栏 */
.sidebar {
    width: var(--sidebar-width);
    flex-shrink: 0;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 4px 20px var(--shadow),
                0 0 0 1px rgba(255, 255, 255, 0.5) inset;
    height: fit-content;
    position: sticky;
    top: 100px;
    max-height: calc(100vh - 120px);
    overflow-y: auto;
}

.sidebar-title {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-color);
}

.sidebar-nav {
    list-style: none;
}

.sidebar-nav-item {
    margin-bottom: 0.5rem;
}

.sidebar-nav-link {
    display: block;
    padding: 0.6rem 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.sidebar-nav-link:hover {
    background: rgba(0, 0, 0, 0.05);
    color: var(--text-primary);
}

.sidebar-nav-link.active {
    background: rgba(0, 0, 0, 0.08);
    color: var(--text-primary);
    font-weight: 500;
}

/* 文档内容区 */
.doc-content {
    flex: 1;
    min-width: 0;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 3rem;
    box-shadow: 0 4px 20px var(--shadow),
                0 0 0 1px rgba(255, 255, 255, 0.5) inset;
}

.doc-header {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid var(--border-color);
}

.doc-title {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.doc-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.doc-body {
    line-height: 1.8;
    color: var(--text-primary);
}

.doc-body h2 {
    font-size: 1.8rem;
    font-weight: bold;
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.doc-body h3 {
    font-size: 1.4rem;
    font-weight: bold;
    margin-top: 1.5rem;
    margin-bottom: 0.8rem;
    color: var(--text-primary);
}

.doc-body p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.doc-body ul, .doc-body ol {
    margin-left: 2rem;
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.doc-body li {
    margin-bottom: 0.5rem;
}

.doc-body code {
    background: rgba(0, 0, 0, 0.05);
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 0.9em;
    color: var(--text-primary);
}

.doc-body pre {
    background: rgba(0, 0, 0, 0.05);
    padding: 1rem;
    border-radius: 8px;
    overflow-x: auto;
    margin-bottom: 1rem;
}

.doc-body pre code {
    background: none;
    padding: 0;
}

/* 开发中提示 */
.coming-soon {
    text-align: center;
    padding: 4rem 2rem;
}

.coming-soon i {
    font-size: 5rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    animation: planeFloat 3s ease-in-out infinite;
    display: block;
}

@keyframes planeFloat {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-15px) rotate(5deg);
    }
}

.coming-soon p {
    font-size: 1.5rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Footer样式 - 毛玻璃效果 */
.footer {
    background: var(--footer-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 -2px 20px var(--shadow);
    border-top: 1px solid var(--border-color);
    padding: 2.5rem 0;
    margin-top: auto;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.footer-copyright {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-top: 1.5rem;
    padding-top: 1rem;
}

.footer:not(.footer-no-animate) {
    animation: slideUp 0.6s ease-out;
}

@keyframes slideUp {
    from {
        transform: translateY(100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    text-align: center;
}

.footer-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.footer-separator {
    color: var(--border-color);
    font-size: 1.5rem;
    user-select: none;
}

.footer-logo {
    height: 50px;
    width: auto;
    filter: grayscale(100%) opacity(0.6);
    transition: all 0.3s ease;
    user-select: none;
    -webkit-user-drag: none;
    -khtml-user-drag: none;
    -moz-user-drag: none;
    -o-user-drag: none;
}

.footer-logo:hover {
    filter: grayscale(0%) opacity(1);
    transform: scale(1.05);
    animation: logoPulse 0.6s ease;
}

.footer-logo:not(:hover) {
    transition: all 0.3s ease;
}

@keyframes logoPulse {
    0%, 100% { transform: scale(1.05); }
    50% { transform: scale(1.1); }
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.footer-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-primary);
    text-decoration: none;
    padding: 0.8rem 1.5rem;
    border-radius: 12px;
    transition: all 0.3s ease;
    font-weight: 500;
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] .footer-link {
    background: rgba(42, 42, 42, 0.5);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.footer-link i {
    font-size: 1.2rem;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

[data-theme="dark"] .footer-link i {
    color: var(--text-secondary);
}

.footer-link:hover {
    background: rgba(255, 255, 255, 0.8);
    border-color: var(--text-secondary);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px var(--shadow),
                0 0 0 1px rgba(255, 255, 255, 0.5) inset;
}

[data-theme="dark"] .footer-link:hover {
    background: rgba(42, 42, 42, 0.8);
    box-shadow: 0 4px 15px var(--shadow),
                0 0 0 1px rgba(64, 64, 64, 0.5) inset;
}

.footer-link:hover i {
    color: var(--text-primary);
    transform: scale(1.2) rotate(10deg);
    animation: iconWiggle 0.5s ease;
}

.footer-link:not(:hover) i {
    transition: all 0.3s ease;
    transform: scale(1) rotate(0deg);
}

@keyframes iconWiggle {
    0%, 100% { transform: scale(1.2) rotate(10deg); }
    25% { transform: scale(1.3) rotate(-10deg); }
    50% { transform: scale(1.2) rotate(10deg); }
    75% { transform: scale(1.3) rotate(-5deg); }
}


/* 响应式设计 */
@media (max-width: 1024px) {
    .main-content {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        position: static;
        max-height: none;
    }
}

@media (max-width: 768px) {
    .banner-container {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }

    .banner-nav {
        gap: 0;
        flex-wrap: wrap;
        justify-content: center;
    }

    .nav-separator {
        display: none;
    }

    .main-content {
        padding: 1rem;
    }

    .doc-content {
        padding: 2rem 1.5rem;
    }

    .doc-title {
        font-size: 2rem;
    }

    .coming-soon i {
        font-size: 4rem;
    }

    .coming-soon p {
        font-size: 1.2rem;
    }

    .footer-links {
        flex-direction: column;
        gap: 1rem;
    }

    .footer-logos {
        gap: 0.5rem;
    }
}

/* 主页样式 */
.hero-section {
    position: relative;
    width: 100%;
    height: 50vh;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    margin-top: -80px;
    padding-top: 80px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.5));
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--white);
    padding: 2rem;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
    color: #FFFFFF;
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.5);
    animation: fadeInUp 0.8s ease-out;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #FFFFFF;
    opacity: 0.9;
    text-shadow: 1px 1px 5px rgba(0, 0, 0, 0.5);
    animation: fadeInUp 1s ease-out;
}

.hero-desc {
    font-size: 1.2rem;
    opacity: 0.8;
    text-shadow: 1px 1px 5px rgba(0, 0, 0, 0.5);
    animation: fadeInUp 1.2s ease-out;
}

.scroll-indicator {
    position: absolute;
    bottom: 0.5rem;
    left: 50%;
    transform: translateX(-50%);
    font-size: 2rem;
    color: #FFFFFF;
    animation: bounce 2s infinite;
    cursor: pointer;
    z-index: 3;
}

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

.scroll-indicator:hover {
    opacity: 0.8;
}

/* 移除主页搜索区域样式（搜索已移到banner） */

/* 旧的搜索区域样式已移除，搜索功能已移到banner */

/* 推荐文档区域 */
.recommended-section {
    width: 100%;
    padding: 4rem 2rem;
    background: var(--background);
    min-height: 400px;
}

.recommended-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    max-width: 1400px;
    margin: 0 auto;
    justify-items: center;
}

.recommended-doc {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 4px 20px var(--shadow),
                0 0 0 1px rgba(255, 255, 255, 0.5) inset;
    transition: all 0.3s ease;
    text-decoration: none;
    color: var(--text-primary);
    display: block;
    position: relative;
    overflow: hidden;
    width: 100%;
    max-width: 400px;
}

[data-theme="dark"] .recommended-doc {
    background: rgba(42, 42, 42, 0.7);
    box-shadow: 0 4px 20px var(--shadow),
                0 0 0 1px rgba(64, 64, 64, 0.5) inset;
}

.recommended-doc::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--glow), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.recommended-doc:hover::before {
    opacity: 1;
}

.recommended-doc:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px var(--shadow-hover),
                0 0 0 1px rgba(255, 255, 255, 0.6) inset,
                0 0 20px rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.85);
}

[data-theme="dark"] .recommended-doc:hover {
    background: rgba(42, 42, 42, 0.85);
    box-shadow: 0 8px 30px var(--shadow-hover),
                0 0 0 1px rgba(64, 64, 64, 0.6) inset,
                0 0 20px rgba(255, 255, 255, 0.05);
}

.recommended-doc-icon {
    font-size: 2rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    transition: all 0.3s ease;
    display: inline-block;
}

.recommended-doc:hover .recommended-doc-icon {
    color: var(--text-primary);
    transform: scale(1.12) translateY(-2px) rotate(2deg);
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.recommended-doc:not(:hover) .recommended-doc-icon {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.recommended-doc-title {
    font-size: 1.1rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.recommended-doc-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 0.8rem;
}

.recommended-doc-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.recommended-doc-tag {
    padding: 0.2rem 0.6rem;
    background: rgba(0, 0, 0, 0.05);
    border-radius: 4px;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* 功能分区区域 */
.sections-area {
    width: 100%;
    padding: 4rem 2rem;
    background: var(--background);
    min-height: 500px;
    padding-bottom: 6rem;
}

.sections-container {
    max-width: 1400px;
    margin: 0 auto;
}

.sections-title {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 3rem;
}

.sections-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    justify-items: center;
}

.section-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 2.5rem;
    box-shadow: 0 4px 20px var(--shadow),
                0 0 0 1px rgba(255, 255, 255, 0.5) inset;
    width: 100%;
    max-width: 400px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

[data-theme="dark"] .section-card {
    background: rgba(42, 42, 42, 0.7);
    box-shadow: 0 4px 20px var(--shadow),
                0 0 0 1px rgba(64, 64, 64, 0.5) inset;
}

.section-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--glow), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.section-card:hover::before {
    opacity: 1;
}

.section-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px var(--shadow-hover),
                0 0 0 1px rgba(255, 255, 255, 0.6) inset,
                0 0 20px rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.85);
}

[data-theme="dark"] .section-card:hover {
    background: rgba(42, 42, 42, 0.85);
    box-shadow: 0 8px 30px var(--shadow-hover),
                0 0 0 1px rgba(64, 64, 64, 0.6) inset,
                0 0 20px rgba(255, 255, 255, 0.05);
}

.section-icon {
    font-size: 3.5rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
    display: inline-block;
}

.section-card:hover .section-icon {
    color: var(--text-primary);
    transform: scale(1.1) rotate(10deg);
    animation: iconWiggle 0.6s ease;
}

.section-card:not(:hover) .section-icon {
    transition: all 0.3s ease;
}

@keyframes iconWiggle {
    0%, 100% { transform: scale(1.1) rotate(10deg); }
    25% { transform: scale(1.15) rotate(-10deg); }
    50% { transform: scale(1.1) rotate(10deg); }
    75% { transform: scale(1.15) rotate(-5deg); }
}

.section-name {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--text-primary);
    margin-bottom: 1rem;
    text-align: center;
}

.section-desc {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
    text-align: center;
}

.section-docs {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.doc-link {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.8rem 1.2rem;
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

[data-theme="dark"] .doc-link {
    background: rgba(42, 42, 42, 0.5);
    color: var(--text-primary);
}

.doc-link i {
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.doc-link:hover {
    background: rgba(255, 255, 255, 0.8);
    border-color: var(--text-secondary);
    transform: translateX(5px);
    box-shadow: 0 2px 10px var(--shadow);
}

[data-theme="dark"] .doc-link:hover {
    background: rgba(42, 42, 42, 0.8);
    border-color: var(--text-secondary);
}

.doc-link:hover i {
    color: var(--text-primary);
    transform: translateX(3px) rotate(10deg);
    animation: iconSlide 0.4s ease;
}

.doc-link:not(:hover) i {
    transition: all 0.3s ease;
}

@keyframes iconSlide {
    0% { transform: translateX(0) rotate(0deg); }
    50% { transform: translateX(5px) rotate(15deg); }
    100% { transform: translateX(3px) rotate(10deg); }
}

@media (max-width: 1199px) and (min-width: 900px) {
    .recommended-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 899px) and (min-width: 600px) {
    .recommended-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .search-box {
        padding: 0.8rem 1.2rem;
    }

    .search-filters {
        gap: 0.5rem;
    }

    .filter-btn {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }

    .recommended-grid {
        grid-template-columns: 1fr;
    }

    .search-results-grid {
        grid-template-columns: 1fr;
    }

    .sections-title {
        font-size: 2rem;
    }

    .sections-grid {
        grid-template-columns: 1fr;
    }
}