/* 
 * DeepSeek 主样式表
 * ================= 
 */

/* 变量和基础设置 */
:root {
    /* 颜色 */
    --primary-color: #0f4c81;        /* 主色调：深蓝 */
    --primary-hover: #2d6da3;
    --secondary-color: #ff7e47;      /* 辅助色：浅蓝 */
    --dark-blue: #083761;
    --light-blue: #EBF3FF;
    --gray-light: #F8FAFC;
    --gray-medium: #E2E8F0;
    --gray-text: #64748B;            /* 灰色文字 */
    --dark-text: #1E293B;
    --white: #FFFFFF;
    --success: #2cc6ab;
    --warning: #ffb547;
    --error: #e74c3c;
    --background-color: #FFFFFF;     /* 背景色：白色 */
    --dark-background: #0A1929;      /* 深色背景 */
    --text-color: #1A2033;           /* 文字颜色 */
    --light-text: #FFFFFF;           /* 浅色文字 */
    --border-color: #e0e6ed;         /* 边框颜色 */
    --hover-color: #F1F5F9;          /* 悬停背景色 */
    --shadow-color: rgba(15, 76, 129, 0.1); /* 阴影颜色 */
    
    /* 间距 */
    --spacing-xs: 0.25rem;   /* 4px */
    --spacing-sm: 0.5rem;    /* 8px */
    --spacing-md: 1rem;      /* 16px */
    --spacing-lg: 1.5rem;    /* 24px */
    --spacing-xl: 2rem;      /* 32px */
    --spacing-xxl: 3rem;     /* 48px */
    
    /* 圆角 */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 16px;
    --border-radius-xl: 1rem;     /* 16px */
    
    /* 阴影 */
    --shadow-sm: 0 1px 2px var(--shadow-color);
    --shadow-md: 0 4px 6px var(--shadow-color);
    --shadow-lg: 0 10px 15px var(--shadow-color);
    
    /* 字体 */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    --font-mono: 'Consolas', 'Source Code Pro', monospace;
    --font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
    --box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    --transition: all 0.3s ease;

    /* 主色调 */
    --primary-light: #2d6da3;
    --primary-dark: #083761;
    --primary-gradient: linear-gradient(135deg, #0f4c81, #1e5d91);
    
    /* 辅助色 */
    --secondary-light: #ff9a70;
    --secondary-dark: #e65d24;
    --accent-color: #2cc6ab;
    
    /* 中性色 */
    --text-medium: #5c6a78;
    --text-light: #8896a6;
    --background-light: #f7fafc;
    --background-white: #ffffff;
    
    /* 功能色 */
    --info-color: #3498db;
}

/* 基本样式 */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--background-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

/* 文字Logo样式 */
.text-logo {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 0;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-fill-color: transparent;
    letter-spacing: -0.5px;
}

.sidebar .text-logo {
    font-size: 1.5rem;
    text-align: center;
}

.footer-logo .text-logo {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

/* 容器 */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 标题 */
h1, h2, h3, h4, h5, h6 {
    margin-top: 0;
    margin-bottom: var(--spacing-md);
    font-weight: 600;
    line-height: 1.3;
    color: var(--text-dark);
}

h1 {
    font-size: 2.5rem;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 2rem;
    letter-spacing: -0.01em;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

/* 段落 */
p {
    margin-top: 0;
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

/* 链接 */
a {
    color: var(--primary-color);
    text-decoration: none;
    transition: all 0.2s ease;
}

a:hover {
    color: var(--primary-light);
    text-decoration: none;
}

/* 按钮 */
.btn {
    display: inline-block;
    padding: 10px 24px;
    border-radius: 6px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    font-size: 1rem;
    line-height: 1.5;
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 4px 12px rgba(15, 76, 129, 0.2);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #1e5d91, #2d6da3);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(15, 76, 129, 0.3);
    color: white;
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: white;
    box-shadow: 0 4px 12px rgba(255, 126, 71, 0.2);
}

.btn-secondary:hover {
    background-color: var(--secondary-light);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(255, 126, 71, 0.3);
    color: white;
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.btn-large {
    padding: 14px 32px;
    font-size: 1.125rem;
}

.btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: transparent;
    color: var(--gray-text);
    border: 1px solid var(--gray-medium);
    transition: var(--transition);
}

.btn-icon:hover {
    background-color: var(--gray-light);
    color: var(--dark-text);
}

.btn-text {
    background: none;
    border: none;
    color: var(--gray-text);
    padding: 0.5rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--transition);
}

.btn-text:hover {
    color: var(--dark-text);
}

/* 头部导航 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 20px;
}

.header.scrolled {
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.logo {
    display: flex;
    align-items: center;
}

.logo-image {
    height: 40px;
}

.main-nav {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 2rem;
}

.nav-link {
    color: var(--dark-text);
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
}

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary-color);
}

.header-buttons {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.mobile-menu-btn {
    display: none;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    position: relative;
}

.menu-icon, .menu-icon::before, .menu-icon::after {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--dark-text);
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    transition: var(--transition);
}

.menu-icon {
    top: 50%;
    transform: translate(-50%, -50%);
}

.menu-icon::before {
    content: '';
    top: -8px;
}

.menu-icon::after {
    content: '';
    bottom: -8px;
}

/* 英雄区域 */
.hero-section {
    padding: 7rem 0 5rem;
    background-color: var(--light-blue);
    overflow: hidden;
}

.hero-section .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 3rem;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--dark-blue);
}

.hero-description {
    font-size: 1.25rem;
    color: var(--gray-text);
    margin-bottom: 2.5rem;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.hero-image {
    text-align: right;
    position: relative;
}

.hero-image img {
    max-width: 100%;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow);
}

/* 聊天演示界面样式 */
.chat-demo {
    background-color: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    height: 460px;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--gray-medium);
    position: relative;
    max-width: 500px;
    margin-left: auto;
    transform: translateY(-20px) rotate(2deg);
    transition: transform 0.3s ease;
}

.chat-demo:hover {
    transform: translateY(-25px) rotate(0);
    box-shadow: 0 15px 30px rgba(0, 85, 255, 0.15);
}

.chat-demo::before {
    content: '';
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    border-radius: var(--border-radius-lg);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    z-index: -1;
    opacity: 0.3;
}

.chat-demo-header {
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.demo-header-title {
    font-weight: 600;
    font-size: 1.1rem;
}

.demo-header-actions {
    display: flex;
    gap: 0.5rem;
}

.demo-action {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
}

.chat-demo-messages {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    background-color: var(--gray-light);
}

.demo-message {
    display: flex;
    gap: 0.75rem;
    max-width: 85%;
}

.demo-message.ai-message {
    align-self: flex-start;
    animation: fadeInLeft 0.5s ease-out;
}

.demo-message.user-message {
    align-self: flex-end;
    justify-content: flex-end;
    animation: fadeInRight 0.5s ease-out;
}

.demo-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.demo-logo {
    color: var(--white);
    font-weight: 600;
    font-size: 0.75rem;
}

.demo-message-content {
    background-color: var(--white);
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    font-size: 0.9rem;
}

.demo-message.user-message .demo-message-content {
    background-color: var(--light-blue);
    color: var(--dark-text);
}

.demo-message-content p {
    margin: 0 0 0.75rem;
}

.demo-message-content p:last-child {
    margin-bottom: 0;
}

.demo-message-content ol, .demo-message-content ul {
    margin: 0.5rem 0;
    padding-left: 1.5rem;
}

.demo-message-content li {
    margin-bottom: 0.5rem;
}

.demo-message-content strong {
    color: var(--primary-color);
    font-weight: 600;
}

.demo-suggestion-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.75rem;
}

.demo-suggestion-chips span {
    background-color: var(--light-blue);
    color: var(--primary-color);
    border-radius: 1rem;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    white-space: nowrap;
    cursor: pointer;
    transition: var(--transition);
}

.demo-suggestion-chips span:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

.chat-demo-input {
    padding: 1rem;
    display: flex;
    gap: 0.75rem;
    border-top: 1px solid var(--gray-medium);
    background-color: var(--white);
}

.chat-demo-input input {
    flex: 1;
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius-md);
    border: 1px solid var(--gray-medium);
    outline: none;
    font-family: inherit;
    font-size: 0.9rem;
}

.demo-send-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: var(--primary-color);
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}

.demo-send-btn:hover {
    background-color: var(--primary-hover);
    transform: scale(1.1);
}

.demo-send-btn::before {
    content: '';
    width: 16px;
    height: 16px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='white'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M12 19l9 2-9-18-9 18 9-2zm0 0v-8'%3E%3C/path%3E%3C/svg%3E");
    background-position: center;
    background-repeat: no-repeat;
    background-size: contain;
    display: block;
    position: absolute;
    transition: transform 0.2s ease;
}

.demo-send-btn:hover::before {
    transform: translateX(2px);
}

/* 关于部分 */
.about-section {
    padding: 5rem 0;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--dark-blue);
}

.about-content {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 3rem;
}

.about-text p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.stat-item {
    text-align: center;
    padding: 1.5rem;
    background-color: var(--light-blue);
    border-radius: var(--border-radius-md);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1rem;
    color: var(--gray-text);
}

/* 产品部分 */
.products-section {
    padding: 5rem 0;
    background-color: var(--gray-light);
}

.product-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.product-card {
    background-color: var(--background-white);
    color: var(--text-dark);
    border-radius: 10px;
    padding: 30px 25px;
    box-shadow: 0 5px 15px var(--shadow-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px var(--shadow-color);
}

.product-card .icon path {
    fill: var(--primary-color);
}

/* 保留primary-card样式定义，但不再使用 */
.primary-card {
    background: var(--gradient-primary);
    color: var(--background-white);
}

.primary-card .icon path {
    fill: var(--background-white);
}

.card-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--light-blue);
    border-radius: var(--border-radius-md);
    margin-bottom: 1.5rem;
    transition: var(--transition);
}

.card-icon img {
    width: 32px;
    height: 32px;
}

.product-card:hover .card-icon {
    background-color: var(--primary-color);
}

.product-card:hover .card-icon img {
    filter: brightness(0) invert(1);
}

.card-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.card-description {
    color: var(--gray-text);
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.card-features {
    list-style-type: none;
    padding: 0;
    margin: 0 0 1.5rem;
}

.card-features li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--dark-text);
}

.card-features li::before {
    content: "✓";
    color: var(--primary-color);
    position: absolute;
    left: 0;
    font-weight: bold;
}

.card-link {
    color: var(--primary-color);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.card-link:hover {
    text-decoration: underline;
}

/* 行业解决方案样式 */
.section-subtitle {
    font-size: 1.8rem;
    text-align: center;
    margin: 4rem 0 2rem;
    color: var(--dark-blue);
}

.industry-solutions {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.solution-card {
    background-color: var(--white);
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
    border-top: 3px solid transparent;
    text-align: center;
}

.solution-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 85, 255, 0.15);
    border-top-color: var(--primary-color);
}

.solution-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--light-blue);
    border-radius: var(--border-radius-md);
    margin-bottom: 1.25rem;
    transition: var(--transition);
    margin-left: auto;
    margin-right: auto;
}

.solution-icon img {
    width: 28px;
    height: 28px;
    transition: var(--transition);
}

.solution-card:hover .solution-icon {
    background-color: var(--primary-color);
}

.solution-card:hover .solution-icon img {
    filter: brightness(0) invert(1);
}

.solution-title {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--dark-blue);
}

.solution-description {
    color: var(--gray-text);
    margin-bottom: 1.25rem;
    flex-grow: 1;
}

.solution-link {
    color: var(--white);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: auto;
    background-color: var(--primary-color);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-md);
    transition: var(--transition);
}

.solution-link:hover {
    background-color: var(--primary-hover);
    color: var(--white);
    text-decoration: none;
    transform: translateY(-2px);
}

.solution-link::after {
    content: "→";
    transition: transform 0.2s ease;
}

.solution-link:hover::after {
    transform: translateX(4px);
}

/* 特性部分 */
.features-section {
    padding: 5rem 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.feature-item {
    text-align: left;
}

.feature-icon {
    width: 64px;
    height: 64px;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius-md);
    background-color: var(--light-blue);
    transition: var(--transition);
}

.feature-icon img {
    width: 32px;
    height: 32px;
}

.feature-item:hover .feature-icon {
    background-color: var(--primary-color);
}

.feature-item:hover .feature-icon img {
    filter: brightness(0) invert(1);
}

.feature-title {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--dark-blue);
}

.feature-description {
    color: var(--gray-text);
}

/* 客户评价部分 */
.testimonials-section {
    padding: 5rem 0;
    background-color: var(--light-blue);
}

.testimonials-slider {
    max-width: 800px;
    margin: 0 auto;
}

.testimonial-item {
    padding: 2rem;
}

.testimonial-content {
    background-color: var(--white);
    border-radius: var(--border-radius-lg);
    padding: 2.5rem;
    box-shadow: var(--box-shadow);
}

.testimonial-text {
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
}

.testimonial-author {
    display: flex;
    align-items: center;
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.author-title {
    color: var(--gray-text);
    font-size: 0.875rem;
    margin: 0;
}

/* 行动召唤部分 */
.cta-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--dark-blue) 100%);
    color: var(--white);
    text-align: center;
}

.cta-title {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.cta-description {
    font-size: 1.125rem;
    margin-bottom: 2.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* 页脚 */
.footer {
    background-color: var(--white);
    padding: 5rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-column {
    display: flex;
    flex-direction: column;
}

.footer-logo {
    margin-bottom: 1.5rem;
}

.footer-logo img {
    height: 40px;
}

.footer-description {
    color: var(--gray-text);
    margin-bottom: 2rem;
}

.footer-heading {
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 1rem;
}

.footer-links a {
    color: var(--gray-text);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--gray-medium);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.copyright {
    color: var(--gray-text);
    margin: 0;
    font-size: 0.875rem;
}

.footer-legal {
    display: flex;
    gap: 1.5rem;
}

.footer-legal a {
    margin-left: 20px;
    color: var(--gray-text);
    text-decoration: none;
}

.icp-info {
    margin-top: 15px;
    text-align: center;
    color: var(--gray-text);
    font-size: 0.9rem;
}

.icp-info p {
    margin: 5px 0;
}

.icp-info a {
    color: var(--gray-text);
    text-decoration: none;
}

.icp-info a:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

/* 提示和建议区 */
.suggestion-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 1.5rem 0;
}

.suggestion-chip {
    background-color: var(--light-blue);
    color: var(--primary-color);
    border: none;
    border-radius: var(--border-radius-md);
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--transition);
}

.suggestion-chip:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

/* 特殊财税元素样式 */
.tax-highlight {
    background-color: rgba(0, 179, 255, 0.1);
    border-left: 4px solid var(--secondary-color);
    padding: 1.5rem;
    border-radius: var(--border-radius-sm);
    margin: 1.5rem 0;
}

.tax-data-table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
}

.tax-data-table th {
    background-color: var(--light-blue);
    padding: 0.75rem;
    text-align: left;
    font-weight: 600;
}

.tax-data-table td {
    padding: 0.75rem;
    border-bottom: 1px solid var(--gray-medium);
}

/* 响应式样式 */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-description {
        font-size: 1.1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .chat-demo {
        height: 400px;
    }
}

@media (max-width: 768px) {
    .hero-section .container {
        flex-direction: column;
        padding-top: 2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .hero-buttons {
        margin-bottom: 2rem;
    }
    
    .hero-image {
        width: 100%;
    }
    
    .chat-demo {
        width: 100%;
        max-width: 400px;
        margin: 0 auto;
    }
    
    .chat-demo:hover {
        transform: none;
    }
    
    .about-content {
        flex-direction: column;
    }
    
    .about-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .nav-list {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .header-container {
        justify-content: space-between;
    }
    
    .product-cards {
        grid-template-columns: 1fr;
    }
    
    .industry-solutions {
        grid-template-columns: repeat(auto-fill, minmax(100%, 1fr));
        gap: 1.5rem;
    }
    
    .solution-card {
        margin-bottom: 1rem;
        height: auto;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .solution-icon {
        width: 52px;
        height: 52px;
        margin-bottom: 1rem;
    }
    
    .solution-title {
        font-size: 1.1rem;
        margin-bottom: 0.75rem;
    }
    
    .solution-description {
        font-size: 0.9rem;
        margin-bottom: 1rem;
    }
    
    .solution-link {
        padding: 0.5rem 1rem;
        width: 100%;
        text-align: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
    }
    
    .feature-item {
        text-align: center;
    }
    
    .feature-icon {
        margin-left: auto;
        margin-right: auto;
    }
    
    .section-subtitle {
        font-size: 1.5rem;
        text-align: center;
        margin-top: 2rem;
    }
    
    .solution-card {
        text-align: center;
        padding: 1.25rem;
        margin-bottom: 1rem;
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.05);
    }
    
    .solution-icon {
        margin-left: auto;
        margin-right: auto;
        width: 48px;
        height: 48px;
    }
    
    .solution-icon img {
        width: 24px;
        height: 24px;
    }
    
    .solution-title {
        font-size: 1.1rem;
        margin-top: 0.5rem;
    }
    
    .solution-description {
        font-size: 0.9rem;
        margin: 0.75rem 0;
    }
    
    .solution-link {
        padding: 0.5rem 0.75rem;
        font-size: 0.9rem;
        width: 100%;
        display: block;
    }
    
    /* 为手机端添加间距，防止内容挤在一起 */
    .industry-solutions {
        grid-template-columns: 1fr;
        gap: 1.25rem;
        margin-bottom: 2rem;
    }
}

/* 图标 */
[class^="icon-"] {
    display: inline-block;
    width: 20px;
    height: 20px;
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
}

.icon-arrow-right {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%230055FF'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M14 5l7 7m0 0l-7 7m7-7H3'%3E%3C/path%3E%3C/svg%3E");
}

.icon-check {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%230055FF'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M5 13l4 4L19 7'%3E%3C/path%3E%3C/svg%3E");
}

.icon-calendar {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748B'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M8 7V3m8 4V3m-9 8h10M5 21h14a2 2 0 002-2V7a2 2 0 00-2-2H5a2 2 0 00-2 2v12a2 2 0 002 2z'%3E%3C/path%3E%3C/svg%3E");
}

.icon-document {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748B'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M9 12h6m-6 4h6m2 5H7a2 2 0 01-2-2V5a2 2 0 012-2h5.586a1 1 0 01.707.293l5.414 5.414a1 1 0 01.293.707V19a2 2 0 01-2 2z'%3E%3C/path%3E%3C/svg%3E");
}

.icon-calculator {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748B'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M9 7h6m0 10v-3m-3 3h.01M9 17h.01M9 14h.01M12 14h.01M15 11h.01M12 11h.01M9 11h.01M7 21h10a2 2 0 002-2V5a2 2 0 00-2-2H7a2 2 0 00-2 2v14a2 2 0 002 2z'%3E%3C/path%3E%3C/svg%3E");
}

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

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

.demo-typing {
    display: none;
    gap: 4px;
    padding: 0.5rem 0;
    margin-left: 3rem;
}

.demo-typing span {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--primary-color);
    display: inline-block;
    opacity: 0.5;
    animation: typingBlink 1.4s infinite both;
}

.demo-typing span:nth-child(2) {
    animation-delay: 0.2s;
}

.demo-typing span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typingBlink {
    0% {
        opacity: 0.3;
    }
    30% {
        opacity: 1;
    }
    60%, 100% {
        opacity: 0.3;
    }
}

.chat-demo-focus {
    transform: translateY(-30px) scale(1.02) rotate(0deg) !important;
    box-shadow: 0 20px 40px rgba(0, 85, 255, 0.2) !important;
    z-index: 10;
}

.gradient-text {
    background: linear-gradient(90deg, #1a5fb4, #3584e4);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

/* 全局排版系统 */
body {
    font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    font-size: 16px;
    background-color: var(--background-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    margin-top: 0;
    margin-bottom: 1rem;
    font-weight: 600;
    line-height: 1.3;
    color: var(--text-dark);
}

h1 {
    font-size: 2.5rem;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 2rem;
    letter-spacing: -0.01em;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-top: 0;
    margin-bottom: 1rem;
    line-height: 1.8;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: all 0.2s ease;
}

a:hover {
    color: var(--primary-light);
    text-decoration: none;
}

/* 通用容器 */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 80px 0;
}

/* 页面加载器动画 */
.page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--background-white);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loader-hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-icon {
    width: 48px;
    height: 48px;
    border: 5px solid var(--border-color);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s linear infinite;
}

@keyframes spin {
    100% {
        transform: rotate(360deg);
    }
}

/* 按钮样式系统 */
.btn {
    display: inline-block;
    padding: 10px 24px;
    border-radius: 6px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    font-size: 1rem;
    line-height: 1.5;
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 4px 12px rgba(15, 76, 129, 0.2);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #1e5d91, #2d6da3);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(15, 76, 129, 0.3);
    color: white;
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: white;
    box-shadow: 0 4px 12px rgba(255, 126, 71, 0.2);
}

.btn-secondary:hover {
    background-color: var(--secondary-light);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(255, 126, 71, 0.3);
    color: white;
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.btn-large {
    padding: 14px 32px;
    font-size: 1.125rem;
}

/* 卡片样式系统 */
.card {
    background-color: var(--background-white);
    border-radius: 8px;
    box-shadow: 0 4px 20px var(--shadow-color);
    overflow: hidden;
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px var(--shadow-color);
}

/* 颜色系统辅助类 */
.text-primary { color: var(--primary-color); }
.text-secondary { color: var(--secondary-color); }
.text-accent { color: var(--accent-color); }
.text-dark { color: var(--text-dark); }
.text-medium { color: var(--text-medium); }
.text-light { color: var(--text-light); }

.bg-primary { background-color: var(--primary-color); }
.bg-secondary { background-color: var(--secondary-color); }
.bg-accent { background-color: var(--accent-color); }
.bg-light { background-color: var(--background-light); }
.bg-white { background-color: var(--background-white); }

/* 间距系统 */
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mt-5 { margin-top: 2rem; }
.mt-6 { margin-top: 3rem; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mb-5 { margin-bottom: 2rem; }
.mb-6 { margin-bottom: 3rem; }

.py-0 { padding-top: 0; padding-bottom: 0; }
.py-1 { padding-top: 0.25rem; padding-bottom: 0.25rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-3 { padding-top: 1rem; padding-bottom: 1rem; }
.py-4 { padding-top: 1.5rem; padding-bottom: 1.5rem; }
.py-5 { padding-top: 2rem; padding-bottom: 2rem; }
.py-6 { padding-top: 3rem; padding-bottom: 3rem; }

.px-0 { padding-left: 0; padding-right: 0; }
.px-1 { padding-left: 0.25rem; padding-right: 0.25rem; }
.px-2 { padding-left: 0.5rem; padding-right: 0.5rem; }
.px-3 { padding-left: 1rem; padding-right: 1rem; }
.px-4 { padding-left: 1.5rem; padding-right: 1.5rem; }
.px-5 { padding-left: 2rem; padding-right: 2rem; }
.px-6 { padding-left: 3rem; padding-right: 3rem; }

/* 文本工具类 */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.text-bold { font-weight: 600; }
.text-normal { font-weight: 400; }
.text-uppercase { text-transform: uppercase; }
.text-capitalize { text-transform: capitalize; }

/* 布局工具类 */
.d-flex { display: flex; }
.d-block { display: block; }
.d-inline-block { display: inline-block; }
.position-relative { position: relative; }
.position-absolute { position: absolute; }
.w-100 { width: 100%; }
.h-100 { height: 100%; }

/* 弹性布局辅助类 */
.flex-row { flex-direction: row; }
.flex-column { flex-direction: column; }
.justify-content-start { justify-content: flex-start; }
.justify-content-center { justify-content: center; }
.justify-content-end { justify-content: flex-end; }
.justify-content-between { justify-content: space-between; }
.justify-content-around { justify-content: space-around; }
.align-items-start { align-items: flex-start; }
.align-items-center { align-items: center; }
.align-items-end { align-items: flex-end; }
.flex-wrap { flex-wrap: wrap; }
.flex-nowrap { flex-wrap: nowrap; }
.flex-grow-1 { flex-grow: 1; }
.flex-shrink-0 { flex-shrink: 0; }

/* 响应式工具 */
.hidden-xs { display: none; }
.visible-xs { display: initial; }

/* 多列布局系统 */
.row {
    display: flex;
    flex-wrap: wrap;
    margin-right: -15px;
    margin-left: -15px;
}

.col {
    position: relative;
    width: 100%;
    padding-right: 15px;
    padding-left: 15px;
}

/* 媒体查询 */
@media screen and (min-width: 576px) {
    .hidden-xs { display: initial; }
    .visible-xs { display: none; }
    
    .container { max-width: 540px; }
    .col-sm-6 { flex: 0 0 50%; max-width: 50%; }
}

@media screen and (min-width: 768px) {
    .container { max-width: 720px; }
    .col-md-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
    .col-md-6 { flex: 0 0 50%; max-width: 50%; }
    .col-md-8 { flex: 0 0 66.666667%; max-width: 66.666667%; }
}

@media screen and (min-width: 992px) {
    .container { max-width: 960px; }
    .col-lg-3 { flex: 0 0 25%; max-width: 25%; }
    .col-lg-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
    .col-lg-6 { flex: 0 0 50%; max-width: 50%; }
    .col-lg-8 { flex: 0 0 66.666667%; max-width: 66.666667%; }
}

@media screen and (min-width: 1200px) {
    .container { max-width: 1140px; }
}

/* 添加滚动显示动画 */
.animate-item {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-item.animate-in {
    opacity: 1;
    transform: translateY(0);
}

/* 添加页面滚动效果 */
.header {
    transition: all 0.3s ease;
}

.header.scrolled {
    box-shadow: 0 5px 15px var(--shadow-color);
    background-color: rgba(255, 255, 255, 0.95);
}

/* 返回顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border: none;
    box-shadow: 0 4px 12px rgba(15, 76, 129, 0.3);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 99;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 16px rgba(15, 76, 129, 0.4);
}

.icon-arrow-up {
    width: 20px;
    height: 20px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='white'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M5 10l7-7m0 0l7 7m-7-7v18'%3E%3C/path%3E%3C/svg%3E");
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
}

/* 保留原有的primary-card样式，但不再使用 */
.primary-card {
    background: var(--gradient-primary);
    color: var(--background-white);
}

.primary-card .icon path {
    fill: var(--background-white);
}

/* 处理指示器样式 */
.processing-indicator {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.processing-content {
    background-color: white;
    border-radius: 8px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.processing-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #3498db;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 15px;
}

.processing-text {
    font-size: 16px;
    color: #333;
    font-weight: 500;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 文件附件样式 */
.file-attachment {
    display: flex;
    align-items: center;
    background-color: #f5f5f5;
    border-radius: 6px;
    padding: 8px 12px;
    margin: 5px 0;
    border: 1px solid #e0e0e0;
}

.file-icon {
    font-size: 24px;
    margin-right: 12px;
    color: #1a73e8;
}

.file-info {
    flex: 1;
}

.file-name {
    font-weight: 500;
    font-size: 14px;
    color: #333;
    margin-bottom: 2px;
}

.file-size {
    font-size: 12px;
    color: #666;
}

.file-actions {
    display: flex;
}

.file-action-btn {
    background: none;
    border: none;
    color: #1a73e8;
    cursor: pointer;
    padding: 4px;
    margin-left: 4px;
}

/* 文件类型图标 */
.icon-file-xlsx, .icon-file-xls {
    color: #217346;
}

.icon-file-docx, .icon-file-doc {
    color: #2b579a;
}

.icon-file-pdf {
    color: #f40f02;
}

.icon-file-txt {
    color: #5f6368;
}

/* 通知容器 */
.notification-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 10000;
}

.notification {
    margin-bottom: 10px;
    padding: 12px 16px;
    min-width: 280px;
    border-radius: 4px;
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.16);
    color: white;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    animation: slideIn 0.3s ease-out;
}

.notification-info {
    background-color: #2196f3;
}

.notification-success {
    background-color: #4caf50;
}

.notification-warning {
    background-color: #ff9800;
}

.notification-error {
    background-color: #f44336;
}

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

/* 报告下载链接 */
.report-download-link {
    display: inline-block;
    padding: 10px 20px;
    background-color: #1a73e8;
    color: white !important;
    text-decoration: none;
    border-radius: 4px;
    font-weight: 500;
    margin: 15px 0;
    transition: all 0.3s ease;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.report-download-link:hover {
    background-color: #165db5;
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

/* 查看报告按钮 */
.view-report-btn {
    display: inline-block;
    padding: 10px 20px;
    background-color: #4caf50;
    color: white !important;
    text-decoration: none;
    border-radius: 4px;
    font-weight: 500;
    margin: 15px 10px 15px 0;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.view-report-btn:hover {
    background-color: #3d8b40;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

/* 下载容器 */
.download-container {
    margin: 20px 0;
    text-align: center;
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

/* 报告摘要样式 */
.message-text h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 18px;
}

.message-text h4 {
    color: var(--text-dark);
    margin: 15px 0 10px;
    font-size: 16px;
}

/* 报告按钮组 */
.report-actions {
    display: flex;
    gap: 10px;
    margin-top: 15px;
    flex-wrap: wrap;
}

/* 文件上传区域增强 */
.upload-area {
    border: 2px dashed #ccc;
    border-radius: 6px;
    padding: 20px;
    text-align: center;
    margin: 15px 0;
    transition: all 0.3s;
    cursor: pointer;
}

.upload-area:hover {
    border-color: #1a73e8;
    background-color: rgba(26, 115, 232, 0.05);
}

.upload-area .icon-upload {
    font-size: 32px;
    color: #666;
    margin-bottom: 10px;
    display: block;
}

.upload-area p {
    margin: 5px 0;
}

.file-types {
    font-size: 12px;
    color: #666;
    margin-top: 5px;
}

.drag-over {
    border-color: #1a73e8;
    background-color: rgba(26, 115, 232, 0.1);
}

/* 报告视图样式 */
.report-container {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #fff;
    padding: 0;
    overflow-y: auto;
    z-index: 1000;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    visibility: hidden; /* 默认隐藏 */
}

.report-header {
    position: sticky;
    top: 0;
    background-color: #fff;
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between; /* 修改为两端对齐 */
    align-items: center;
    z-index: 5;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.report-header h1 {
    margin: 0;
    font-size: 20px;
    flex-grow: 1; /* 让标题占据剩余空间 */
    text-align: center;
}

.return-to-chat-btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 4px;
    padding: 8px 15px;
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    transition: all 0.2s ease;
}

.return-to-chat-btn:hover {
    background-color: var(--primary-color-dark, #3071a9);
    transform: translateY(-2px);
}

.return-to-chat-btn .icon-arrow-left {
    margin-right: 8px;
    font-size: 12px;
}

.report-content {
    padding: 30px;
    overflow-y: auto;
    height: calc(100% - 60px);
    background-color: #fff;
    display: block; /* 确保显示 */
    visibility: visible; /* 确保可见 */
}

/* 报告模式下隐藏侧边栏和切换按钮 */
.app-container.report-mode .sidebar,
.app-container.report-mode .sidebar-toggle {
    display: none !important;
}

/* 报告模式下显示报告容器 */
.app-container.report-mode .report-container {
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
}

/* 报告模式下隐藏主内容区域 */
.app-container.report-mode .main-content {
    display: none !important;
}

/* 报告容器中的标题样式 */
.report-content h1 {
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 20px;
    color: var(--primary-color);
    text-align: center;
}

.report-content h2 {
    font-size: 20px;
    font-weight: bold;
    margin-top: 25px;
    margin-bottom: 15px;
    color: var(--text-dark);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 5px;
}

.report-content h3 {
    font-size: 18px;
    font-weight: bold;
    margin-top: 20px;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.report-content p {
    margin: 10px 0;
    line-height: 1.6;
}

.report-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 15px 0;
}

.report-content th,
.report-content td {
    padding: 10px;
    border: 1px solid var(--border-color);
    text-align: left;
}

.report-content th {
    background-color: var(--background-light);
    font-weight: bold;
}

/* 错误容器样式 */
.error-container {
    max-width: 600px;
    margin: 100px auto;
    padding: 20px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.error-container h1 {
    color: #e74c3c;
    margin-bottom: 15px;
}

.error-container p {
    margin-bottom: 20px;
    color: #555;
}

.error-container button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s;
}

.error-container button:hover {
    background-color: var(--primary-color-dark, #3071a9);
}