* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "PingFang SC", "Helvetica Neue", Arial, sans-serif;
}

body {
    background-color: #ffffff;
    color: #333333;
    line-height: 1.6;
    position: relative;
    overflow-x: hidden;
}

/* 高级动效背景 */
.animated-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

.bg-circle {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(229, 57, 53, 0.03) 0%, rgba(229, 57, 53, 0.01) 100%);
    animation: float 20s ease-in-out infinite;
}

.bg-circle:nth-child(1) {
    width: 300px;
    height: 300px;
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.bg-circle:nth-child(2) {
    width: 200px;
    height: 200px;
    top: 60%;
    right: 15%;
    animation-delay: -5s;
}

.bg-circle:nth-child(3) {
    width: 150px;
    height: 150px;
    bottom: 20%;
    left: 20%;
    animation-delay: -10s;
}

.bg-circle:nth-child(4) {
    width: 250px;
    height: 250px;
    top: 30%;
    right: 30%;
    animation-delay: -15s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
        opacity: 0.3;
    }
    25% {
        transform: translateY(-20px) rotate(90deg);
        opacity: 0.5;
    }
    50% {
        transform: translateY(-10px) rotate(180deg);
        opacity: 0.4;
    }
    75% {
        transform: translateY(-30px) rotate(270deg);
        opacity: 0.6;
    }
}

/* 粒子效果 */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: rgba(229, 57, 53, 0.1);
    border-radius: 50%;
    animation: particle-float 15s linear infinite;
}

.particle:nth-child(1) { left: 10%; animation-delay: 0s; }
.particle:nth-child(2) { left: 20%; animation-delay: -2s; }
.particle:nth-child(3) { left: 30%; animation-delay: -4s; }
.particle:nth-child(4) { left: 40%; animation-delay: -6s; }
.particle:nth-child(5) { left: 50%; animation-delay: -8s; }
.particle:nth-child(6) { left: 60%; animation-delay: -10s; }
.particle:nth-child(7) { left: 70%; animation-delay: -12s; }
.particle:nth-child(8) { left: 80%; animation-delay: -14s; }
.particle:nth-child(9) { left: 90%; animation-delay: -16s; }
.particle:nth-child(10) { left: 95%; animation-delay: -18s; }

@keyframes particle-float {
    0% {
        transform: translateY(100vh) scale(0);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100px) scale(1);
        opacity: 0;
    }
}

/* 网格背景 */
.grid-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    background-image: 
        linear-gradient(rgba(229, 57, 53, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(229, 57, 53, 0.02) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: grid-move 30s linear infinite;
}

@keyframes grid-move {
    0% {
        transform: translate(0, 0);
    }
    100% {
        transform: translate(50px, 50px);
    }
}



/* 波浪线条效果 */
.wave-lines {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    pointer-events: none;
}

.wave-line {
    position: absolute;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(229, 57, 53, 0.1), transparent);
    animation: wave-line-move 8s ease-in-out infinite;
}

.wave-line:nth-child(1) {
    top: 10%;
    animation-delay: 0s;
}

.wave-line:nth-child(2) {
    top: 20%;
    animation-delay: -1s;
}

.wave-line:nth-child(3) {
    top: 30%;
    animation-delay: -2s;
}

.wave-line:nth-child(4) {
    top: 40%;
    animation-delay: -3s;
}

.wave-line:nth-child(5) {
    top: 50%;
    animation-delay: -4s;
}

.wave-line:nth-child(6) {
    top: 60%;
    animation-delay: -5s;
}

.wave-line:nth-child(7) {
    top: 70%;
    animation-delay: -6s;
}

.wave-line:nth-child(8) {
    top: 80%;
    animation-delay: -7s;
}

.wave-line:nth-child(9) {
    top: 90%;
    animation-delay: -8s;
}

.wave-line:nth-child(10) {
    top: 95%;
    animation-delay: -9s;
}

@keyframes wave-line-move {
    0%, 100% {
        transform: translateX(-100%);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateX(100%);
        opacity: 0;
    }
}

/* 光晕效果 */
.glow-effect {
    position: fixed;
    top: 50%;
    left: 50%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(229, 57, 53, 0.05) 0%, transparent 70%);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    z-index: -4;
    animation: glow-pulse 8s ease-in-out infinite;
}

@keyframes glow-pulse {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.3;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.2);
        opacity: 0.6;
    }
}

/* 动态线条 */
.dynamic-lines {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    pointer-events: none;
}

.line {
    position: absolute;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(229, 57, 53, 0.1), transparent);
    animation: line-flow 12s linear infinite;
}

.line:nth-child(1) {
    top: 20%;
    width: 200px;
    left: -200px;
    animation-delay: 0s;
}

.line:nth-child(2) {
    top: 40%;
    width: 150px;
    left: -150px;
    animation-delay: -4s;
}

.line:nth-child(3) {
    top: 60%;
    width: 180px;
    left: -180px;
    animation-delay: -8s;
}

.line:nth-child(4) {
    top: 80%;
    width: 120px;
    left: -120px;
    animation-delay: -12s;
}

@keyframes line-flow {
    0% {
        transform: translateX(0);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateX(calc(100vw + 200px));
        opacity: 0;
    }
}

/* 呼吸效果 */
.breathing-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -5;
    background: radial-gradient(ellipse at center, rgba(229, 57, 53, 0.02) 0%, transparent 70%);
    animation: breathe 6s ease-in-out infinite;
}

@keyframes breathe {
    0%, 100% {
        transform: scale(1);
        opacity: 0.3;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.6;
    }
}

.container {
    max-width: 1300px;
    margin: 0 auto;
    align-items: center;
    padding: 0 20px;
}

header {
    padding: 20px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(245, 245, 245, 0.8);
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
}

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

.logo-icon {
    width: 36px;
    height: 36px;
    background-color: #e53935;
    /* border-radius: 50%; */
    margin-right: 10px;
}

.logo-text {
    font-size: 24px;
    font-weight: 600;
}

nav{ 
    flex-grow: 1;
    margin: 0 230px;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 30px;
}

nav ul li a {
    text-decoration: none;
    color: #333;
    font-size: 15px;
}

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

.actions .language {
    margin-right: 20px;
    font-size: 14px;
}

.btn {
    background-color: #e53935;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 9px;
    cursor: pointer;
    font-weight: 600;
    font-size: 14px;
    margin-right: 30px;
}

.hero {
    padding: 100px 0;
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero .container {
    /* background: rgba(255, 255, 255, 0.8);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1); */
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
    border-radius: 20px;
    padding: 40px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero h1 {
    font-size: 50px;
    margin-bottom: 30px;
    font-weight: 600;
}

.hero p {
    font-size: 18px;
    color: #666;
    max-width: 100%;
    margin: 0 auto 40px;
    line-height: 1.8;
    overflow: visible;
}

.features {
    padding: 80px 0;
    text-align: center;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.feature-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 35px 30px;
    border-radius: 16px;
    transition: all 0.3s ease;
    border: 1px solid rgba(240, 240, 240, 0.8);
    position: relative;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.05);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #e53935, #ff6b6b);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border-color: #e53935;
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background-color: rgba(229, 57, 53, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.feature-icon-inner {
    width: 30px;
    height: 30px;
    background-color: #e53935;
    border-radius: 50%;
}



.video-bg {
    width: 80%;
    height: 400px;
    margin: 50px auto 60px;
    background-color: #7d7d7d;
    border-radius: 15px;
    box-shadow: 0px 14px 89px 0px rgba(0, 0, 0, 0.2);
}

.feature-card h3 {
    margin-bottom: 15px;
    font-size: 20px;
}

.feature-card p {
    color: #666;
    font-size: 15px;
    margin-bottom: 20px;
    line-height: 1.6;
}

.feature-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 15px;
}

.tag {
    background: rgba(229, 57, 53, 0.1);
    color: #e53935;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
    border: 1px solid rgba(229, 57, 53, 0.2);
    transition: all 0.3s ease;
}

.tag:hover {
    background: rgba(229, 57, 53, 0.2);
    transform: translateY(-1px);
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.btn-outline {
    background: transparent;
    color: #e53935;
    border: 2px solid #e53935;
    transition: all 0.3s ease;
}

.btn-outline:hover {
    background: #e53935;
    color: white;
}

/* 全局悬停效果 */
.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
}

.feature-card:hover .feature-icon-inner {
    background: linear-gradient(135deg, #e53935, #ff6b6b);
}

/* 文字悬停效果 */
.hero h1:hover {
    transform: scale(1.02);
    transition: transform 0.3s ease;
}

/* 按钮悬停增强效果 */
.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(229, 57, 53, 0.3);
}

/* 导航链接悬停效果 */
nav ul li a {
    position: relative;
    transition: color 0.3s ease;
}

nav ul li a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #e53935;
    transition: width 0.3s ease;
}

nav ul li a:hover::after {
    width: 100%;
}

/* 轮播图悬停效果 */
.carousel-container:hover {
    transform: scale(1.02);
    transition: transform 0.3s ease;
}

/* 标签悬停增强 */
.tag:hover {
    background: rgba(229, 57, 53, 0.2);
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 4px 12px rgba(229, 57, 53, 0.2);
}

/* 页面加载动画 */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1.2s ease forwards;
}

.fade-in-delay-1 {
    animation-delay: 0.4s;
}

.fade-in-delay-2 {
    animation-delay: 0.8s;
}

.fade-in-delay-3 {
    animation-delay: 1.2s;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 脉冲效果 */
.pulse {
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

/* 数据统计样式 */
.stats-container {
    margin-top: 40px;
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.stats-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 25px 30px;
    text-align: center;
    border: 1px solid rgba(229, 57, 53, 0.1);
    /* box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1); */
    min-width: 200px;
    transition: all 0.3s ease;
}

.stats-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.stats-number {
    font-size: 36px;
    font-weight: 700;
    color: #e53935;
    margin-bottom: 8px;
}

.stats-label {
    font-size: 14px;
    color: #666;
    font-weight: 500;
    margin-bottom: 5px;
}

.stats-date {
    font-size: 12px;
    color: #999;
    font-weight: 400;
}

/* 痛点解决方案样式 */
.pain-points {
    padding: 80px 0;
    background: rgba(248, 249, 250, 0.5);
}

.pain-points h2 {
    text-align: center;
    font-size: 32px;
    margin-bottom: 20px;
}

.pain-points-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.pain-point-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 30px;
    border: 1px solid rgba(240, 240, 240, 0.8);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.pain-point-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #e53935, #ff6b6b);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.pain-point-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
    border-color: #e53935;
}

.pain-point-card:hover::before {
    transform: scaleX(1);
}

.pain-icon {
    width: 90px;
    height: 90px;
    margin-bottom: 20px;
    display: block;
}

.pain-point-card h3 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #333;
    font-weight: 600;
}

.pain-point-card p {
    color: #666;
    font-size: 14px;
    line-height: 1.6;
}

.cta {
    padding: 80px 0;
    text-align: center;
    background-color: #f9f9f9;
}

.cta h2 {
    font-size: 30px;
    margin-bottom: 20px;
}

.cta p {
    color: #666;
    max-width: 600px;
    margin: 0 auto 30px;
}

footer {
    padding: 40px 0;
    border-top: 1px solid #f5f5f5;
    text-align: center;
}

footer p {
    color: #888;
    font-size: 14px;
}

.red-text {
    color: #e53935;
}

/* AI智能体突出效果 */
.ai-highlight {
    background: linear-gradient(135deg, #e53935, #ff6b6b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    position: relative;
}

.ai-highlight::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, #e53935, #ff6b6b);
    border-radius: 1px;
}

/* 政策AI标识 */
.ai-badge {
    display: inline-block;
    background: linear-gradient(135deg, #e53935, #ff6b6b);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    margin-left: 10px;
    animation: pulse 2s ease-in-out infinite;
}

/* 实时更新标识 */
.realtime-indicator {
    display: inline-flex;
    align-items: center;
    color: #e53935;
    font-size: 14px;
    font-weight: 600;
    margin-left: 10px;
}

.realtime-dot {
    width: 8px;
    height: 8px;
    background: #e53935;
    border-radius: 50%;
    margin-right: 6px;
    animation: blink 1.5s ease-in-out infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

/* 技术底蕴展示 */
.tech-showcase {
    background: linear-gradient(135deg, rgba(229, 57, 53, 0.05) 0%, rgba(255, 107, 107, 0.03) 100%);
    padding: 60px 0;
    margin: 40px 0;
    border-radius: 20px;
    position: relative;
    overflow: hidden;
}

.tech-showcase::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(229,57,53,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.tech-metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.tech-metric {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 30px;
    text-align: center;
    border: 1px solid rgba(229, 57, 53, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.tech-metric::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #e53935, #ff6b6b);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.tech-metric:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.tech-metric:hover::before {
    transform: scaleX(1);
}

.metric-number {
    font-size: 48px;
    font-weight: 700;
    background: linear-gradient(135deg, #e53935, #ff6b6b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
}

.metric-label {
    font-size: 16px;
    color: #333;
    font-weight: 600;
    margin-bottom: 8px;
}

.metric-desc {
    font-size: 14px;
    color: #666;
    line-height: 1.5;
}

/* 数据流动画 */
.data-stream {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.data-particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: rgba(229, 57, 53, 0.3);
    border-radius: 50%;
    animation: data-flow 8s linear infinite;
}

.data-particle:nth-child(1) { left: 10%; animation-delay: 0s; }
.data-particle:nth-child(2) { left: 20%; animation-delay: -2s; }
.data-particle:nth-child(3) { left: 30%; animation-delay: -4s; }
.data-particle:nth-child(4) { left: 40%; animation-delay: -6s; }
.data-particle:nth-child(5) { left: 50%; animation-delay: -8s; }
.data-particle:nth-child(6) { left: 60%; animation-delay: -10s; }
.data-particle:nth-child(7) { left: 70%; animation-delay: -12s; }
.data-particle:nth-child(8) { left: 80%; animation-delay: -14s; }
.data-particle:nth-child(9) { left: 90%; animation-delay: -16s; }

@keyframes data-flow {
    0% {
        transform: translateY(-100px) scale(0);
        opacity: 0;
    }
    10% {
        opacity: 1;
        transform: translateY(-80px) scale(1);
    }
    90% {
        opacity: 1;
        transform: translateY(80px) scale(1);
    }
    100% {
        transform: translateY(100px) scale(0);
        opacity: 0;
    }
}

/* 模型训练动画 */
.model-training {
    display: inline-block;
    position: relative;
    margin-left: 10px;
}

.training-indicator {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(229, 57, 53, 0.3);
    border-top: 2px solid #e53935;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* 神经网络动画 */
.neural-network {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
    opacity: 0.1;
    z-index: -1;
}

.neural-node {
    position: absolute;
    width: 4px;
    height: 4px;
    background: #e53935;
    border-radius: 50%;
    animation: neural-pulse 3s ease-in-out infinite;
}

.neural-node:nth-child(1) { top: 20%; left: 30%; animation-delay: 0s; }
.neural-node:nth-child(2) { top: 40%; left: 60%; animation-delay: -0.5s; }
.neural-node:nth-child(3) { top: 60%; left: 20%; animation-delay: -1s; }
.neural-node:nth-child(4) { top: 80%; left: 70%; animation-delay: -1.5s; }
.neural-node:nth-child(5) { top: 30%; left: 80%; animation-delay: -2s; }
.neural-node:nth-child(6) { top: 70%; left: 40%; animation-delay: -2.5s; }

@keyframes neural-pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.3;
    }
    50% {
        transform: scale(1.5);
        opacity: 0.8;
    }
}



.chat-input-container {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 1);
    border: 2px solid rgba(229, 57, 53, 0.2);
    border-radius: 50px;
    padding: 8px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.chat-input-container:focus-within {
    border-color: #e53935;
    box-shadow: 0 6px 20px rgba(229, 57, 53, 0.15);
    transform: translateY(-2px);
}

/* 聊天输入框样式 */
.cta-center {
    position: relative;
    z-index: 99;
    width: 500px;
    margin: 70px auto;
    text-align: center;
}

.chat-input {
    flex: 1;
    border: none;
    outline: none;
    background: transparent;
    padding: 12px 20px;
    font-size: 16px;
    color: #333;
    font-family: inherit;
}

.chat-input::placeholder {
    color: #999;
    font-size: 14px;
}

.chat-send-btn {
    background: linear-gradient(135deg, #e53935, #ff6b6b);
    border: none;
    border-radius: 50%;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    color: white;
    margin-left: 8px;
}

.chat-send-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(229, 57, 53, 0.3);
}

.chat-send-btn:active {
    transform: scale(0.95);
}

.input-hint {
    text-align: center;
    margin-top: 12px;
    font-size: 13px;
    color: #666;
    font-weight: 400;
}

/* 加载动画 */
.loading-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* 案例展示样式 */
.case-studies {
    padding: 80px 0;
    background: rgba(248, 249, 250, 0.3);
}

.case-studies h2 {
    text-align: center;
    font-size: 32px;
    margin-bottom: 20px;
}

.case-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.case-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 30px;
    border: 1px solid rgba(240, 240, 240, 0.8);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.case-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #e53935, #ff6b6b);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.case-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
    border-color: #e53935;
}

.case-card:hover::before {
    transform: scaleX(1);
}

.case-type {
    display: inline-block;
    background: linear-gradient(135deg, #e53935, #ff6b6b);
    color: white;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 15px;
}

.case-card h3 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #333;
    font-weight: 600;
}

.case-card p {
    color: #666;
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 20px;
}

.case-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.case-btn {
    background: rgba(229, 57, 53, 0.1);
    color: #e53935;
    border: 1px solid rgba(229, 57, 53, 0.3);
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.case-btn:hover {
    background: #e53935;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(229, 57, 53, 0.3);
}

/* 轮播图样式 */
.carousel-container {
    width: 90%;
    max-width: 660px;
    margin: 30px auto 60px;
    position: relative;
    border-radius: 15px;
    overflow: hidden;
}

.carousel {
    display: flex;
    transition: transform 0.5s ease-in-out;
}

.carousel img {
    width: 100%;
    flex-shrink: 0;
    border-radius: 15px;
}

.carousel-dots {
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
}

.dot {
    width: 10px;
    height: 10px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    cursor: pointer;
    transition: background 0.3s;
}

.dot.active {
    background: white;
}

#enter2 {
    display: none;
}

/* 打字动画区域的样式 */
#typing-text {
    display: inline-block;
    min-width: 10px; /* 保持一定宽度，防止文字变化导致布局跳动 */
    border-right: 3px solid #e53935; /* 模拟光标 */
    animation: cursor-blink 0.7s infinite;
    text-align: left;
}

@keyframes cursor-blink {
    0%, 100% { border-color: transparent; }
    50% { border-color: #e53935; }
}

@media (max-width: 800px){
    .question-cloud {
        display: none;
    }
    nav{
        display: none;
    } 
    .actions {
        display: none;
    }
    #enter {
        display: none;
    }
    #enter2 {
        display: block;
    }
    .features-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 20px;
        margin-top: 40px;
    }
    .feature-card {
        margin-bottom: 0;
        width: 100%;
        padding: 25px 20px;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        box-shadow: none;
        border: 1px solid rgba(240, 240, 240, 0.5);
    }
    .features {
        padding: 60px 0;
    }
    .features h2 {
        font-size: 24px;
        padding: 0 20px;
    }
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    .cta-buttons .btn {
        width: 100%;
        max-width: 280px;
        margin-right: 0 !important;
        font-size: 14px !important;
        padding: 15px 30px !important;
    }
    .hero .btn {
        font-size: 14px !important;
        padding: 15px 40px !important;
        /* width: 90%; */
        max-width: 300px;
    }
    .hero {
        padding-top: 39px;
        padding-bottom: 60px;
    }
    .hero p {
        font-size: 14px;
        padding: 0 20px;
    }
    .hero h1 {
        font-size: 32px;
        padding: 0 20px;
    }
    .carousel-container {
        width: 95%;
        margin: 30px auto 40px;
    }
    .hero .container {
        background: transparent;
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        box-shadow: none;
        border: none;
        padding: 20px;
    }
    header {
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        box-shadow: none;
    }
    .pain-points-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        margin-top: 30px;
    }
    .pain-point-card {
        padding: 25px 20px;
        margin-bottom: 0;
    }
    .pain-points {
        padding: 60px 0;
    }
    .pain-points h2 {
        font-size: 24px;
        padding: 0 20px;
    }
    .pain-points p {
        padding: 0 20px;
    }
    .tech-showcase {
        padding: 40px 0;
        margin: 20px 0;
    }
    .tech-metrics {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .tech-metric {
        padding: 25px 20px;
    }
    .metric-number {
        font-size: 36px;
    }
    .tech-showcase h2 {
        font-size: 24px;
        padding: 0 20px;
    }
    .tech-showcase p {
        padding: 0 20px;
    }
    .stats-container {
        flex-direction: column;
        align-items: center;
        gap: 15px;
        margin-top: 30px;
    }
    .stats-card {
        padding: 20px 25px;
        min-width: 180px;
        width: 100%;
        max-width: 280px;
    }
    .stats-number {
        font-size: 32px;
    }
    .stats-label {
        font-size: 13px;
    }
    .stats-date {
        font-size: 11px;
    }
    .pain-points h2 {
        font-size: 24px;
    }
    
    /* 疑问云图响应式 */
    .question-cloud-container {
        height: 150px;
        margin: 30px 0;
    }
    
    .question-item {
        font-size: 11px;
        padding: 6px 12px;
        height: 33px;
        border-radius: 20px;
    }
    

    
    /* 聊天输入框移动端适配 */
    .cta-center {
        position: relative;
        z-index: 99;
        min-width: 300px;
        padding: 20px;
        margin: 40px auto;
    }
    
    .chat-input-container {
        padding: 6px;
    }

    .cta-center {
        width: 100%;
    }
    
    .chat-input {
        padding: 10px 16px;
        font-size: 14px;
    }
    
    .chat-input::placeholder {
        font-size: 12px;
    }
    
    .chat-send-btn {
        width: 40px;
        height: 40px;
    }
    
    .input-hint {
        font-size: 12px;
        margin-top: 10px;
    }
    
    
    /* 案例展示响应式 */
    .case-studies {
        padding: 60px 0;
    }
    
    .case-studies h2 {
        font-size: 24px;
        padding: 0 20px;
    }
    
    .case-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        margin-top: 30px;
    }
    
    .case-card {
        padding: 25px 20px;
        margin-bottom: 0;
    }
    
    .case-card h3 {
        font-size: 16px;
    }
    
    .case-card p {
        font-size: 13px;
    }
    
    .case-btn {
        font-size: 12px;
        padding: 6px 16px;
    }
}