@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
    100% { transform: translateY(0px); }
}
.animate-float {
    animation: float 8s ease-in-out infinite;
}
.animate-float-slow {
    animation: float 12s ease-in-out infinite;
}
.bg-tech {
    background: linear-gradient(135deg, #f8fafc, #f1f5f9);
}
.hero-gradient {
    background: radial-gradient(circle at 50% 50%, rgba(56, 189, 248, 0.1) 0%, rgba(30, 64, 175, 0.05) 25%, rgba(255, 255, 255, 0) 50%);
}
.text-gradient {
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
    background-image: linear-gradient(90deg, #0284c7, #4f46e5);
}
.glow {
    box-shadow: 0 0 30px rgba(56, 189, 248, 0.2);
}
.mesh-bg {
    background-image: 
        radial-gradient(at 40% 20%, rgba(56, 189, 248, 0.1) 0px, transparent 50%),
        radial-gradient(at 80% 50%, rgba(99, 102, 241, 0.1) 0px, transparent 50%),
        radial-gradient(at 20% 80%, rgba(14, 165, 233, 0.1) 0px, transparent 50%);
}
.card-hover {
    transition: all 0.3s ease;
}
.card-hover:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}
.slant-top {
    clip-path: polygon(0 0, 100% 5%, 100% 100%, 0% 100%);
}
.slant-bottom {
    clip-path: polygon(0 0, 100% 0, 100% 95%, 0% 100%);
}
/* 滚动条 - 完全隐藏 */
::-webkit-scrollbar {
    width: 0;
    height: 0;
    display: none;
}
body {
    -ms-overflow-style: none;  /* IE and Edge */
    scrollbar-width: none;  /* Firefox */
}
/* 导航栏滚动效果 */
.nav-hidden {
    transform: translateY(-100%);
}
.nav-visible {
    transform: translateY(0);
}
/* 返回顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: white;
    color: #0284c7;
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
    opacity: 0;
    visibility: hidden;
    z-index: 40;
}
.back-to-top:hover {
    background: #0284c7;
    color: white;
    transform: translateY(-5px);
}
.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}
/* SVG图标 */
.svg-icon {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
}

/* Custom Dropdown Styles */
.custom-dropdown {
    position: relative;
    width: 100%;
}

.custom-dropdown-trigger {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    background: white;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.2s ease;
    min-height: 48px;
}

.custom-dropdown-trigger:hover {
    border-color: #cbd5e1;
}

.custom-dropdown-trigger.active {
    border-color: #0ea5e9;
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}

.dropdown-text {
    color: #64748b;
    font-size: 14px;
    flex: 1;
    text-align: left;
}

.dropdown-text:not(.placeholder) {
    color: #0f172a;
}

/* 多选占位符样式 */
.dropdown-text.multi-select.placeholder {
    color: #9ca3af;
    display: flex;
    align-items: center;
    height: 32px;
    justify-content: flex-start;
}

.dropdown-arrow {
    width: 16px;
    height: 16px;
    color: #64748b;
    transition: transform 0.2s ease;
    flex-shrink: 0;
}

.custom-dropdown-trigger.active .dropdown-arrow {
    transform: rotate(180deg);
}

.custom-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border: 2px solid #e2e8f0;
    border-top: none;
    border-radius: 0 0 8px 8px;
    max-height: 200px;
    overflow-y: auto;
    z-index: 1000;
    display: none;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.custom-dropdown-menu.show {
    display: block;
}

.dropdown-option {
    padding: 12px 16px;
    cursor: pointer;
    transition: background-color 0.2s ease;
    font-size: 14px;
    color: #374151;
}

.dropdown-option:hover {
    background-color: #f8fafc;
}

.dropdown-option.selected {
    background-color: #dbeafe;
    color: #1e40af;
    font-weight: 500;
}

.dropdown-option:last-child {
    border-radius: 0 0 6px 6px;
}

/* Multi-select dropdown styles */
.custom-dropdown-trigger.multi-select .dropdown-text {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.dropdown-option input[type="checkbox"] {
    margin-right: 8px;
}

/* Toast styles */
.error-toast {
    margin-bottom: 8px;
    animation: slideIn 0.3s ease-out;
}

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

/* 移动端适配增强 */
@media (max-width: 768px) {
    .text-gradient {
        background-image: linear-gradient(90deg, #0284c7, #4f46e5);
    }
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
        width: 100%;
        max-width: 100%;
    }
    h1 {
        font-size: 2rem;
        line-height: 1.2;
    }
    h2 {
        font-size: 1.75rem;
    }
    p {
        font-size: 1rem;
    }
    .py-24 {
        padding-top: 3rem;
        padding-bottom: 3rem;
    }
    .pt-32 {
        padding-top: 4rem;
    }
    .pb-32 {
        padding-bottom: 3rem;
    }
    .card-feature {
        min-height: 300px;
    }
    .slant-top, .slant-bottom {
        clip-path: none;
    }
    .absolute.float-element {
        display: none;
    }
    .hero-content {
        padding-top: 1rem;
    }
    .px-6 {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    .px-8 {
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }
    .w-40, .w-36 {
        width: 5rem;
        height: 5rem;
    }
    .text-3xl {
        font-size: 1.5rem;
    }
    .overflow-x-hidden {
        overflow-x: clip;
    }
    .header-container {
        width: 100%;
        max-width: 100%;
        overflow-x: hidden;
    }
    /* 优化移动端网格布局 */
    .advantage-card {
        margin-bottom: 1.5rem;
    }
    .svg-icon {
        width: 100%;
        max-height: 250px;
    }
    /* 修复按钮在移动端的宽度 */
    .mobile-full {
        width: 100%;
    }
    /* 修复移动端导航 */
    #mobile-menu {
        max-height: calc(100vh - 70px);
        overflow-y: auto;
    }
    /* 调整SVG在移动端的显示 */
    text {
        font-size: 8px !important;
    }
    .svg-text-md {
        font-size: 10px !important;
    }
    .svg-text-lg {
        font-size: 12px !important;
    }
    /* 修复移动端固定元素 */
    .back-to-top {
        bottom: 1rem;
        right: 1rem;
        width: 2.5rem;
        height: 2.5rem;
    }
    /* 调整场景卡片 */
    .scene-card {
        aspect-ratio: 3/2;
    }
    /* 移动端按钮优化 */
    .btn-pulse {
        animation: mobilePulse 2s infinite;
    }
    @keyframes mobilePulse {
        0% {
            box-shadow: 0 0 0 0 rgba(2, 132, 199, 0.4);
        }
        50% {
            box-shadow: 0 0 20px rgba(2, 132, 199, 0.4);
        }
        100% {
            box-shadow: 0 0 0 0 rgba(2, 132, 199, 0.4);
        }
    }
    .btn-shine:after {
        animation: mobileShine 3s infinite;
    }
    @keyframes mobileShine {
        0% {
            left: -100%;
            opacity: 0;
        }
        20% {
            left: 100%;
            opacity: 0.6;
        }
        100% {
            left: 100%;
            opacity: 0;
        }
    }
    /* 核心特性项目移动端优化 */
    .feature-item {
        display: flex;
        align-items: flex-start;
        margin-bottom: 2rem;
    }
    .feature-icon {
        flex-shrink: 0;
        width: 64px;
        height: 64px;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-right: 1rem;
    }
    .feature-content {
        flex: 1;
        padding-top: 0.5rem;
    }
}
/* SVG动画 */
.animate-pulse-slow {
    animation: pulse 4s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}
@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}
.svg-container {
    position: relative;
}
.floating {
    animation: floating 3s ease-in-out infinite;
}
@keyframes floating {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}
/* 按钮基础动画 */
.btn-pulse {
    animation: btnPulse 2s infinite;
    position: relative;
}
@keyframes btnPulse {
    0% {
        box-shadow: 0 0 0 0 rgba(56, 189, 248, 0.4);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(56, 189, 248, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(56, 189, 248, 0);
    }
}
.btn-shine {
    position: relative;
    overflow: hidden;
}
.btn-shine:after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        to right, 
        rgba(255, 255, 255, 0) 0%, 
        rgba(255, 255, 255, 0.3) 50%, 
        rgba(255, 255, 255, 0) 100%
    );
    transform: rotate(30deg);
    animation: btnShine 3s infinite;
}
@keyframes btnShine {
    0% {
        transform: rotate(30deg) translateX(-300%);
    }
    100% {
        transform: rotate(30deg) translateX(300%);
    }
}
.btn-float {
    animation: btnFloat 3s ease-in-out infinite;
}
@keyframes btnFloat {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* 场景卡片优化 */
.scene-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1.5rem;
    background: linear-gradient(to top, rgba(14, 116, 204, 0.95), rgba(67, 56, 202, 0.85));
    color: white;
    z-index: 10;
    border-bottom-left-radius: 0.75rem;
    border-bottom-right-radius: 0.75rem;
}
.scene-title {
    font-weight: 700;
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    position: relative;
}
.scene-title:after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 0;
    width: 2rem;
    height: 2px;
    background: #fff;
}
.scene-desc {
    font-size: 0.9rem;
    opacity: 0.9;
    line-height: 1.5;
    margin-top: 0.75rem;
}
@media (max-width: 768px) {
    .scene-info {
        padding: 1.25rem;
    }
    .scene-title {
        font-size: 1.1rem;
    }
    .scene-desc {
        font-size: 0.85rem;
    }
}
/* 提高可点击感的悬浮效果 */
.hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}
/* 从下至上的入场动画 */
.slide-up-enter {
    animation: slideUp 0.6s ease forwards;
    opacity: 0;
    transform: translateY(20px);
}
@keyframes slideUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
/* 延迟执行的动画 */
.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }
.delay-4 { animation-delay: 0.8s; }
/* 按钮浮动修复 */
.btn-float-container {
    position: relative;
    animation: btnFloat 3s ease-in-out infinite;
}

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

/* 申请演示按钮样式优化 */
.demo-btn {
    background: linear-gradient(to right, #ffffff, #ffffff);
    color: #0284c7;
    border: 1px solid #0284c7;
    position: relative;
    overflow: hidden;
    z-index: 1;
    transition: all 0.4s ease;
}
.demo-btn:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, #0284c7, #4f46e5);
    z-index: -1;
    transform: scaleX(0);
    transform-origin: 0 50%;
    transition: transform 0.5s ease;
    border-radius: 0.5rem;
}
.demo-btn:hover {
    color: white;
    border-color: transparent;
}
.demo-btn:hover:before {
    transform: scaleX(1);
}
.demo-btn:after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    bottom: -50%;
    left: -50%;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.2) 50%, rgba(255, 255, 255, 0));
    transform: rotate(45deg) translate(0, -100px);
    opacity: 0;
    transition: all 0.6s ease;
}
.demo-btn:hover:after {
    transform: rotate(45deg) translate(0, 100px);
    opacity: 0.4;
}
/* 应用场景卡片美化 */
.scene-card-container {
    border-radius: 0.75rem;
    overflow: hidden;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.06);
    position: relative;
    transition: all 0.3s ease;
    height: 100%;
    background-color: white;
    border: 1px solid rgba(226, 232, 240, 0.8);
}
.scene-card-container:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
    border-color: rgba(226, 232, 240, 0.4);
}
.scene-card-container:hover .scene-card {
    background: linear-gradient(135deg, #f0f9ff, #e0f2fe);
}
.scene-info-enhanced {
    padding: 1.5rem;
    background: white;
    transition: background 0.3s ease, color 0.3s ease;
}
.scene-title-enhanced {
    font-weight: 700;
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: #0f172a;
    position: relative;
    padding-left: 2.5rem;
    display: flex;
    align-items: center;
    transition: color 0.3s ease;
}
.scene-icon {
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.scene-desc-enhanced {
    font-size: 0.95rem;
    line-height: 1.6;
    color: #64748b;
    transition: color 0.3s ease;
}

.scene-card-container:nth-child(1) .scene-icon {
    background: linear-gradient(135deg, #0ea5e9, #38bdf8);
}
.scene-card-container:nth-child(2) .scene-icon {
    background: linear-gradient(135deg, #6366f1, #818cf8);
}
.scene-card-container:nth-child(3) .scene-icon {
    background: linear-gradient(135deg, #8b5cf6, #a78bfa);
}
.scene-card-container:nth-child(4) .scene-icon {
    background: linear-gradient(135deg, #ec4899, #f472b6);
}
.scene-card-container:nth-child(5) .scene-icon {
    background: linear-gradient(135deg, #10b981, #34d399);
}
.scene-card-container:nth-child(6) .scene-icon {
    background: linear-gradient(135deg, #f59e0b, #fbbf24);
}

@media (max-width: 768px) {
    .scene-card {
        aspect-ratio: 3/2;
    }
    .scene-info-enhanced {
        padding: 1.25rem;
    }
    .scene-title-enhanced {
        font-size: 1.1rem;
        padding-left: 2.25rem;
    }
    .scene-icon {
        width: 1.75rem;
        height: 1.75rem;
        font-size: 0.9rem;
    }
}
/* 免费体验按钮的动画改进 */
.cta-button-animate {
    position: relative;
    overflow: hidden;
    z-index: 1;
    animation: ctaButtonGlow 2.5s infinite ease-in-out;
}

@keyframes ctaButtonGlow {
    0% {
        box-shadow: 0 5px 15px rgba(2, 132, 199, 0.2);
    }
    50% {
        box-shadow: 0 8px 25px rgba(2, 132, 199, 0.4);
    }
    100% {
        box-shadow: 0 5px 15px rgba(2, 132, 199, 0.2);
    }
}

.cta-button-animate:after {
    content: '';
    position: absolute;
    top: -110%;
    left: -210%;
    width: 200%;
    height: 200%;
    opacity: 0;
    transform: rotate(30deg);
    background: rgba(255, 255, 255, 0.13);
    background: linear-gradient(
        to right, 
        rgba(255, 255, 255, 0.13) 0%,
        rgba(255, 255, 255, 0.13) 77%,
        rgba(255, 255, 255, 0.5) 92%,
        rgba(255, 255, 255, 0.0) 100%
    );
    animation: ctaButtonShine 4s infinite;
}

@keyframes ctaButtonShine {
    0% {
        opacity: 0;
        left: -100%;
    }
    15% {
        opacity: 0;
        left: -90%;
    }
    20% {
        opacity: 0.5;
    }
    30% {
        opacity: 0.3;
    }
    35% {
        opacity: 0.1;
    }
    100% {
        opacity: 0;
        left: 100%;
    }
}

/* 行动召唤部分改进 */
.cta-button-improved {
    position: relative;
    background: linear-gradient(to right, #0284c7, #4f46e5); 
    color: white;
    border: none;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(2, 132, 199, 0.3);
}

.cta-button-improved:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(2, 132, 199, 0.4);
}

.cta-button-improved:after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        to right, 
        rgba(255, 255, 255, 0) 0%, 
        rgba(255, 255, 255, 0.3) 50%, 
        rgba(255, 255, 255, 0) 100%
    );
    transform: rotate(30deg);
    animation: btnImprovedShine 3s infinite;
}

@keyframes btnImprovedShine {
    0% {
        transform: rotate(30deg) translateX(-300%);
    }
    100% {
        transform: rotate(30deg) translateX(300%);
    }
}

@media (max-width: 768px) {
    /* 移动端按钮优化 */
    .cta-button-improved {
        width: 100%;
        background: linear-gradient(to right, #0284c7, #4f46e5);
        color: white;
        border: none;
        box-shadow: 0 4px 12px rgba(2, 132, 199, 0.4);
        transition: all 0.3s ease;
        padding: 0.6rem 1.5rem;
        font-weight: 600;
    }
    
    .cta-button-improved:active {
        transform: scale(0.98);
        box-shadow: 0 2px 8px rgba(2, 132, 199, 0.3);
    }
}

/* 语言下拉菜单稳定性优化 - 使用CSS hover */
.language-dropdown {
    position: relative;
}

/* 扩大hover区域，防止鼠标移动时意外关闭 */
.language-dropdown.group::before {
    content: '';
    position: absolute;
    top: -10px;
    right: -10px;
    bottom: -10px;
    left: -10px;
    z-index: -1;
}

/* 下拉菜单样式，增加延迟确保稳定性 */
.language-dropdown .absolute {
    transition: opacity 0.2s ease-out, visibility 0.2s ease-out, transform 0.2s ease-out;
    transform-origin: top right;
}

/* 增加hover延迟，防止意外触发 */
.language-dropdown.group:hover .absolute {
    transition-delay: 100ms;
}

@media (max-width: 768px) {
    /* 移动端按钮优化 */
    .cta-button-animate {
        width: 100%;
        background: linear-gradient(to right, #0284c7, #4f46e5);
        color: white !important;
        border: none !important;
        box-shadow: 0 4px 12px rgba(2, 132, 199, 0.4);
        padding: 0.6rem 1.5rem;
        animation: mobileBtnGlow 2s infinite ease-in-out;
    }
    
    @keyframes mobileBtnGlow {
        0% {
            box-shadow: 0 4px 12px rgba(2, 132, 199, 0.3);
        }
        50% {
            box-shadow: 0 8px 20px rgba(2, 132, 199, 0.5);
        }
        100% {
            box-shadow: 0 4px 12px rgba(2, 132, 199, 0.3);
        }
    }
    
    .cta-button-animate:active {
        transform: scale(0.98);
        box-shadow: 0 2px 8px rgba(2, 132, 199, 0.3);
    }
    
    .cta-button-animate.bg-white {
        background: white !important;
        color: #0f172a !important;
    }
}
/* 修改合作伙伴部分为横向滚动 */
.partners-scroll {
    position: relative;
    overflow: hidden;
    padding: 2rem 0;
    margin: 1rem 0;
    background: #ffffff;
    border-radius: 0.5rem;
    /* 硬件加速优化 */
    will-change: transform;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}
.partners-container {
    display: flex;
    animation: scrollPartners 30s linear infinite;
    width: max-content;
    align-items: center;
    /* 硬件加速优化 */
    will-change: transform;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    transform: translateZ(0);
}
.partner-item {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 2.5rem;
    flex-shrink: 0;
    height: 6rem;
    transition: all 0.4s ease;
}
.partner-item img {
    max-height: 5.5rem;
    max-width: 10rem;
    object-fit: contain;
    opacity: 1;
    transition: none;
    filter: none;
    cursor: default;
    pointer-events: none;
}

@keyframes scrollPartners {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

/* 防止动画卡顿的额外优化 */
.partners-container * {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
.partners-scroll:before,
.partners-scroll:after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 4rem;
    z-index: 2;
    pointer-events: none;
}
.partners-scroll:before {
    left: 0;
    background: linear-gradient(to right, #ffffff, rgba(255, 255, 255, 0));
}
.partners-scroll:after {
    right: 0;
    background: linear-gradient(to left, #ffffff, rgba(255, 255, 255, 0));
}
/* 改进应用场景过渡效果 */
.scene-card-container {
    transition: all 0.3s ease;
    overflow: hidden;
}
.scene-card-container:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
    border-color: rgba(226, 232, 240, 0.4);
}
.scene-card-container:hover .scene-card {
    background: linear-gradient(135deg, #f0f9ff, #e0f2fe);
}
.scene-info-enhanced {
    transition: background 0.3s ease, color 0.3s ease;
}
.scene-card-container:hover .scene-info-enhanced {
    background: #f8fafc;
}
.scene-icon {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.scene-card-container:hover .scene-icon {
    transform: translateY(-50%) scale(1.05);
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
}
/* 客户案例和应用场景的分界样式 */
.section-separator {
    position: relative;
    height: 60px;
    overflow: hidden;
    box-shadow: 0 -5px 15px rgba(0, 0, 0, 0.025);
}
.section-separator:after {
    content: '';
    position: absolute;
    width: 100%;
    height: 20px;
    bottom: 0;
    background: linear-gradient(45deg, #f8fafc 25%, transparent 25%, transparent 75%, #f8fafc 75%, #f8fafc), 
                linear-gradient(45deg, #f8fafc 25%, transparent 25%, transparent 75%, #f8fafc 75%, #f8fafc);
    background-size: 20px 20px;
    background-position: 0 0, 10px 10px;
    opacity: 0.3;
}
.scene-card-container:hover .scene-title-enhanced {
    color: #0284c7;
}
.scene-card-container:hover .scene-desc-enhanced {
    color: #475569;
}

/* 自定义下拉框样式 - 修复显示问题 */
.custom-dropdown {
    position: relative;
    width: 100%;
}

.custom-dropdown-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    background: white;
    cursor: pointer;
    transition: all 0.2s ease;
    min-height: 48px;
}

.custom-dropdown-trigger:hover {
    border-color: #0ea5e9;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.custom-dropdown-trigger.active {
    border-color: #0ea5e9;
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}

.custom-dropdown-trigger.error {
    border-color: #ef4444;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.dropdown-text {
    color: #374151;
    font-size: 14px;
    flex: 1;
}

.dropdown-text.placeholder {
    color: #9ca3af;
}

.dropdown-arrow {
    width: 20px;
    height: 20px;
    color: #6b7280;
    transition: transform 0.2s ease;
    flex-shrink: 0;
}

.custom-dropdown-trigger.active .dropdown-arrow {
    transform: rotate(180deg);
    color: #0ea5e9;
}

/* 修复下拉菜单显示问题 */
.custom-dropdown-menu {
    position: absolute;
    background: white;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    z-index: 10000;
    max-height: 200px;
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease;
    width: 100%;
    box-sizing: border-box;
}

/* 下拉菜单显示在下方 */
.custom-dropdown-menu.show-below {
    top: 100%;
    left: 0;
    right: 0;
    width: 100%;
    margin-top: 2px;
}

/* 下拉菜单显示在上方 */
.custom-dropdown-menu.show-above {
    bottom: 100%;
    left: 0;
    right: 0;
    width: 100%;
    margin-bottom: 2px;
}

.custom-dropdown-menu.show-above.show {
    transform: translateY(0);
}

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

.dropdown-option {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    cursor: pointer;
    transition: background-color 0.15s ease;
    border-bottom: 1px solid #f3f4f6;
}

.dropdown-option:last-child {
    border-bottom: none;
}

.dropdown-option:hover {
    background-color: #f8fafc;
}

.dropdown-option.selected {
    background: linear-gradient(135deg, #0ea5e9, #4f46e5);
    color: white;
}

.dropdown-option.selected .option-text {
    color: white;
    font-weight: 500;
}

/* 多选下拉框样式 */
.dropdown-option.multi-selected {
    background: linear-gradient(135deg, #0ea5e9, #4f46e5);
    color: white;
}

.dropdown-option.multi-selected .option-text {
    color: white;
    font-weight: 500;
}

/* 多选下拉框触发器样式 */
.custom-dropdown-trigger.multi-select {
    min-height: 48px;
    padding: 8px 16px;
    overflow: hidden;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    box-sizing: border-box;
}

.custom-dropdown-trigger.multi-select .dropdown-arrow {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    flex-shrink: 0;
}

.dropdown-text.multi-select {
    display: flex;
    flex-wrap: nowrap;
    gap: 4px;
    align-items: center;
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-width: none;
    -ms-overflow-style: none;
    position: absolute;
    left: 16px;
    right: 48px;
    top: 50%;
    transform: translateY(-50%);
    height: 32px;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior-x: contain;
    touch-action: pan-x;
    cursor: grab;
    will-change: scroll-position;
    user-select: none;
}

.dropdown-text.multi-select:active {
    cursor: grabbing;
}

.dropdown-text.multi-select::-webkit-scrollbar {
    display: none;
}

/* 滑动渐变提示效果 */
.custom-dropdown-trigger.multi-select::after {
    content: '';
    position: absolute;
    top: 8px;
    right: 40px;
    bottom: 8px;
    width: 20px;
    background: linear-gradient(to left, rgba(255, 255, 255, 0.9), transparent);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s ease;
    z-index: 1;
}

/* 当有标签且可滚动时显示渐变 */
.custom-dropdown-trigger.multi-select.has-overflow::after {
    opacity: 1;
}

.selected-tag {
    background: #0ea5e9;
    color: white;
    padding: 4px 8px;
    border-radius: 14px;
    font-size: 12px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    white-space: nowrap;
    flex-shrink: 0;
    min-width: max-content;
    height: 24px;
    line-height: 1;
}

.selected-tag .remove-tag {
    cursor: pointer;
    font-weight: bold;
    font-size: 14px;
    line-height: 1;
    padding: 2px;
    margin-left: 2px;
    border-radius: 50%;
    transition: background-color 0.2s ease;
    pointer-events: auto;
    z-index: 2;
    position: relative;
}

.selected-tag .remove-tag:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.selected-tag .remove-tag:active {
    background-color: rgba(255, 255, 255, 0.3);
}

.option-icon {
    margin-right: 12px;
    font-size: 16px;
    flex-shrink: 0;
}

.option-text {
    color: #374151;
    font-size: 14px;
    flex: 1;
}

/* 滚动条样式 */
.custom-dropdown-menu::-webkit-scrollbar {
    width: 6px;
}

.custom-dropdown-menu::-webkit-scrollbar-track {
    background: #f1f5f9;
    border-radius: 3px;
}

.custom-dropdown-menu::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 3px;
}

.custom-dropdown-menu::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* 弹窗样式优化 */
#beta-form-modal {
    max-height: 90vh;
    overflow: hidden;
}

/* 确保下拉框容器有正确的定位 */
.custom-dropdown {
    position: relative;
}

/* 下拉框错误状态样式 */
.custom-dropdown-trigger.error {
    border-color: #ef4444 !important;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1) !important;
}

/* 错误状态样式 */
.field-error {
    border-color: #ef4444 !important;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1) !important;
}

/* 响应式优化 */
@media (max-width: 640px) {
    .custom-dropdown-trigger {
        font-size: 16px; /* 防止iOS缩放 */
    }
    
    .custom-dropdown-trigger.multi-select {
        padding: 8px 12px;
    }
    
    .custom-dropdown-trigger.multi-select .dropdown-arrow {
        right: 12px;
    }
    
    .dropdown-text.multi-select {
        gap: 2px;
        height: 28px;
        left: 12px;
        right: 40px;
        -webkit-overflow-scrolling: touch;
        touch-action: pan-x;
        overscroll-behavior-x: contain;
    }
    
    .selected-tag {
        font-size: 11px;
        padding: 3px 6px;
        height: 20px;
        border-radius: 10px;
    }
    
    .custom-dropdown-trigger.multi-select::after {
        right: 36px;
        width: 18px;
    }
    
    .custom-dropdown-menu {
        width: 100%;
        max-height: 150px; /* 移动端减小最大高度 */
    }
    
    #beta-form-modal {
        max-height: 95vh;
        margin: 2.5vh 1rem;
    }
}

/* 错误提示动画 */
.error-toast {
    animation: slideInRight 0.3s ease-out;
}

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

/* 弹窗动画和过渡效果 */
#contact-modal {
    transition: visibility 0.3s, opacity 0.3s;
}
#contact-modal.hidden {
    visibility: hidden;
    opacity: 0;
}
#contact-modal:not(.hidden) {
    visibility: visible;
    opacity: 1;
}
#contact-modal .bg-white {
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    transform: scale(0.9) translateY(20px);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}
#contact-modal:not(.hidden) .bg-white {
    transform: scale(1) translateY(0);
}
#modal-overlay {
    transition: opacity 0.3s;
    opacity: 0;
}
#contact-modal:not(.hidden) #modal-overlay {
    opacity: 1;
}

/* 名片细节样式 */
.business-card-gradient {
    background-image: linear-gradient(135deg, rgba(56, 189, 248, 0.1) 0%, rgba(30, 64, 175, 0.05) 100%);
}

.avatar-border {
    box-shadow: 0 0 0 4px white, 0 4px 15px rgba(0, 0, 0, 0.15);
}

.contact-icon {
    transition: all 0.3s ease;
}

.contact-icon:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.05);
}

.qr-code-container {
    position: relative;
}

.qr-code-container::after {
    content: '';
    position: absolute;
    top: -5px;
    right: -5px;
    bottom: -5px;
    left: -5px;
    border: 1px dashed #e2e8f0;
    border-radius: 0.5rem;
    pointer-events: none;
    animation: rotate 15s linear infinite;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}