/* ========================================
   前台首页样式
   ======================================== */

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    z-index: 1000;
    padding: 10px 0;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 1);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    padding: 8px 0;
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
}

.nav-menu {
    display: flex;
    gap: 30px;
}

.nav-menu a {
    font-size: 15px;
    font-weight: 500;
    color: #2c3e50;
    padding: 8px 0;
    position: relative;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: #667eea;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    /* background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); */
    background: linear-gradient(135deg, #273059 0%, #8c58bf 100%); 
    transition: width 0.3s ease;
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 1001;
    position: relative;
}

/* 移动端菜单中的按钮 */
.nav-actions-mobile {
    display: none;
}

.nav-actions-mobile .btn {
    width: 100%;
    margin: 0;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
    padding: 5px;
    z-index: 1001;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 1001;
    position: relative;
}

/* Hero区域 */
.hero {
    padding-top: 140px;
    padding-bottom: 100px;
    /* background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); */
    background: linear-gradient(135deg, #273059 0%, #8c58bf 100%);
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

/* 粒子动画画布 */
.particle-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

/* Hero内容容器 - 确保在粒子画布之上 */
.hero > .container {
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 52px;
    font-weight: 700;
    line-height: 1.2;
    color: #ffffff;
    margin-bottom: 24px;
}

.hero-desc {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 32px;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    gap: 16px;
}

.hero-actions .btn-primary {
    background: white;
    color: #667eea;
}

.hero-actions .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(255, 255, 255, 0.3);
    background: #f8f9fa;
}

.hero-actions .btn-outline {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.hero-actions .btn-outline:hover {
    background: white;
    color: #667eea;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
}

.hero-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    margin:0% 5% 0% 5%;
}

.hero-image {
    position: relative;
    height: 400px;
}

.hero-card {
    position: absolute;
    background: white;
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    animation: float 3s ease-in-out infinite;
}

.hero-card-1 {
    top: 80px;
    left: 15%;
    right: auto;
    animation-delay: 0s;
}

.hero-card-2 {
    top: 2px;
    right: -1%;
    left: auto;
    animation-delay: 0.5s;
}

.hero-card-3 {
    bottom: 0px;
    left: 50%;
    right: auto;
    transform: translateX(-50%);
    animation: float 3s ease-in-out infinite;
    animation-delay: 1s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) translateX(-50%);
    }
    50% {
        transform: translateY(-20px) translateX(-50%);
    }
}

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

.card-title {
    font-size: 20px;
    font-weight: 600;
    color: #2c3e50;
}

/* 产品特色 */
.features {
    background: #fff;
}

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

.feature-card {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    background: white;
}

.feature-icon {
    margin-bottom: 20px;
}

.feature-title {
    font-size: 20px;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 12px;
}

.feature-desc {
    color: #7f8c8d;
    line-height: 1.6;
}

/* 服务流程 */
.process {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.process-step {
    text-align: center;
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    /* background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); */
    background: linear-gradient(135deg, #273059 0%, #8c58bf 100%); 
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    margin: 0 auto 20px;
}

.step-title {
    font-size: 20px;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 12px;
}

.step-desc {
    color: #7f8c8d;
    line-height: 1.6;
}

.step-arrow {
    font-size: 30px;
    color: #667eea;
    margin-top: 20px;
}

/* 关于我们 */
.about {
    background: #fff;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-image {
    position: relative;
}

.image-card {
    width: 100%;
    height: 400px;
    /* background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); */
    background: linear-gradient(135deg, #273059 0%, #8c58bf 100%); 
    border-radius: 16px;
    position: relative;
    overflow: hidden;
}

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.0);
}

.overlay-content {
    text-align: center;
    color: white;
}

.overlay-content h3 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 8px;
}

.about-desc {
    color: #7f8c8d;
    line-height: 1.8;
    margin-bottom: 24px;
}

.about-list {
    margin-bottom: 30px;
}

.about-list li {
    padding: 10px 0;
    color: #2c3e50;
    display: flex;
    align-items: center;
}

.check-icon {
    width: 24px;
    height: 24px;
    /* background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); */
    background: linear-gradient(135deg, #273059 0%, #8c58bf 100%); 
    color: white;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-right: 12px;
    font-size: 12px;
    font-weight: bold;
}

/* 底部CTA */
.cta-section {
    /* background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); */
    background: linear-gradient(135deg, #273059 0%, #8c58bf 100%); 
    padding: 80px 0;
    text-align: center;
}

.cta-title {
    font-size: 36px;
    font-weight: 700;
    color: white;
    margin-bottom: 16px;
}

.cta-desc {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 32px;
}

.cta-section .btn-primary {
    background: white;
    color: #667eea;
}

.cta-section .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(255, 255, 255, 0.3);
}

/* 页脚 */
.footer {
    background: #2c3e50;
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
}

.footer-section ul li {
    padding: 8px 0;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
}

.footer-section a:hover {
    color: white;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: #667eea;
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
}

/* 响应式 */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .process-steps {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex !important;
    }

    .hamburger span {
        width: 24px;
        height: 2px;
        background: #333;
        transition: all 0.3s ease;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

    .nav-menu {
        display: none !important;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 20px;
        gap: 10px;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        z-index: 999;
    }

    .nav-menu.active {
        display: flex !important;
    }

    .nav-menu .nav-actions-mobile {
        display: flex;
        flex-direction: column;
        gap: 10px;
        margin-top: 10px;
        padding-top: 10px;
        border-top: 1px solid #e8e8e8;
    }

    /* 隐藏桌面端的按钮，但在移动菜单中显示 */
    .nav-actions > .btn:not(.hamburger) {
        display: none;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-text {
        align-items: center;
        text-align: center;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
        width: 100%;
    }

    .hero-actions .btn {
        width: 100%;
        max-width: 300px;
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-image {
        height: 300px;
    }

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

    .process-steps {
        grid-template-columns: 1fr;
    }

    .step-arrow {
        transform: rotate(90deg);
    }

    .about-content {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .hero-actions {
        flex-direction: column;
    }
}