/* Global Styles */

:root {
    --primary-color: #2ecc71;
    --secondary-color: #27ae60;
    --success-color: #2ecc71;
    --info-color: #3498db;
    --warning-color: #f1c40f;
    --light-bg: #f5f7fa;
    --gradient-start: #2ecc71;
    --gradient-end: #27ae60;
    --accent-1: #e8f5e9;
    --accent-2: #fff5e6;
    --accent-3: #f0f9ff;
    --accent-4: #edf7ed;
    --card-1: #e8f5e9;
    --card-2: #fff4eb;
    --card-3: #ebfff4;
    --card-4: #f4ebff;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #34495e;
    background-color: var(--light-bg);
}


/* Hero Section */

.hero-section {
    background: linear-gradient(135deg, var(--accent-1) 0%, var(--accent-3) 100%);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(74, 144, 226, 0.05) 0%, rgba(103, 128, 159, 0.02) 100%);
    transform: skewY(-6deg);
    transform-origin: top left;
}

.hero-section::after {
    content: '';
    position: absolute;
    right: -5%;
    top: 20%;
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    opacity: 0.1;
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    z-index: 0;
}

.hero-section h1 {
    color: var(--primary-color);
    margin-bottom: 2rem;
    position: relative;
}

.hero-section .container {
    position: relative;
    z-index: 1;
}


/* Hero Image */

.hero-image-wrapper {
    position: relative;
    padding: 20px;
    overflow: visible;
}

.hero-image-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    opacity: 0.1;
    border-radius: 20px;
    transform: rotate(-3deg);
    z-index: 0;
}

.hero-image-wrapper img {
    position: relative;
    z-index: 1;
    border-radius: 15px;
    transition: transform 0.3s ease;
}

.hero-image-wrapper:hover img {
    transform: translateY(-5px);
}


/* 固定悬浮GIF样式 */

.fixed-gif {
    position: fixed;
    right: 20px;
    z-index: 1000;
    top: 50px;
    width: 150px;
}

.fixed-gif img {
    width: 80px;
    height: auto;
}


/* 联系按钮样式 */

.contact-hero-btn {
    position: relative;
    z-index: 10;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(46, 204, 113, 0.3);
    background: linear-gradient(135deg, #2ecc71, #27ae60) !important;
    border: none !important;
    color: white !important;
    font-weight: 600;
    padding: 15px 30px;
}

.contact-hero-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(46, 204, 113, 0.4);
    background: linear-gradient(135deg, #27ae60, #2ecc71) !important;
}

.contact-hero-btn:active {
    transform: translateY(1px);
    box-shadow: 0 4px 15px rgba(46, 204, 113, 0.2);
}


/* Feature Cards */

.feature-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 15px;
    box-shadow: 0 10px 20px rgba(74, 144, 226, 0.1);
    transition: all 0.3s ease;
    border: 1px solid rgba(74, 144, 226, 0.1);
    overflow: hidden;
    position: relative;
}

.feature-card:nth-child(4n+1) {
    background: linear-gradient(135deg, var(--card-1) 0%, rgba(255, 255, 255, 0.9) 100%);
}

.feature-card:nth-child(4n+2) {
    background: linear-gradient(135deg, var(--card-2) 0%, rgba(255, 255, 255, 0.9) 100%);
}

.feature-card:nth-child(4n+3) {
    background: linear-gradient(135deg, var(--card-3) 0%, rgba(255, 255, 255, 0.9) 100%);
}

.feature-card:nth-child(4n+4) {
    background: linear-gradient(135deg, var(--card-4) 0%, rgba(255, 255, 255, 0.9) 100%);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent 0%, rgba(255, 255, 255, 0.2) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-card i {
    color: white;
}


/* Feature Icon */

.feature-icon-wrapper {
    width: 80px;
    height: 80px;
    margin: 0 auto;
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    transform: rotate(-5deg);
    transition: transform 0.3s ease;
}

.feature-card:hover .feature-icon-wrapper {
    transform: rotate(0deg);
}

.feature-icon {
    color: white;
}


/* Support List */

.support-list li {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    padding: 15px;
    border-radius: 12px;
    margin-bottom: 15px;
    box-shadow: 0 5px 15px rgba(74, 144, 226, 0.08);
    border: 1px solid rgba(74, 144, 226, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.support-list li:nth-child(3n+1) {
    background: linear-gradient(to right, var(--card-1) 0%, rgba(255, 255, 255, 0.9) 100%);
}

.support-list li:nth-child(3n+2) {
    background: linear-gradient(to right, var(--card-2) 0%, rgba(255, 255, 255, 0.9) 100%);
}

.support-list li:nth-child(3n+3) {
    background: linear-gradient(to right, var(--card-3) 0%, rgba(255, 255, 255, 0.9) 100%);
}

.support-list li:hover {
    transform: translateX(5px);
    box-shadow: 0 8px 20px rgba(74, 144, 226, 0.12);
}


/* Process Steps */

.process-steps .step {
    position: relative;
    padding-left: 60px;
    padding: 20px 20px 20px 80px;
    background: linear-gradient(to right, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0.7) 100%);
    border-radius: 12px;
    margin-bottom: 20px;
    transition: all 0.3s ease;
}

.process-steps .step:nth-child(4n+1) {
    background: linear-gradient(to right, var(--card-1) 0%, rgba(255, 255, 255, 0.9) 100%);
}

.process-steps .step:nth-child(4n+2) {
    background: linear-gradient(to right, var(--card-2) 0%, rgba(255, 255, 255, 0.9) 100%);
}

.process-steps .step:nth-child(4n+3) {
    background: linear-gradient(to right, var(--card-3) 0%, rgba(255, 255, 255, 0.9) 100%);
}

.process-steps .step:nth-child(4n+4) {
    background: linear-gradient(to right, var(--card-4) 0%, rgba(255, 255, 255, 0.9) 100%);
}

.process-steps .step:hover {
    transform: translateX(5px);
    box-shadow: 0 5px 15px rgba(74, 144, 226, 0.1);
}

.step-number {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    box-shadow: 0 5px 15px rgba(74, 144, 226, 0.2);
}


/* Testimonial Cards */

.testimonial-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 15px;
    box-shadow: 0 10px 20px rgba(74, 144, 226, 0.08);
    height: 100%;
    border: 1px solid rgba(74, 144, 226, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.testimonial-card:nth-child(3n+1) {
    background: linear-gradient(135deg, var(--card-1) 0%, rgba(255, 255, 255, 0.95) 100%);
}

.testimonial-card:nth-child(3n+2) {
    background: linear-gradient(135deg, var(--card-2) 0%, rgba(255, 255, 255, 0.95) 100%);
}

.testimonial-card:nth-child(3n+3) {
    background: linear-gradient(135deg, var(--card-3) 0%, rgba(255, 255, 255, 0.95) 100%);
}

.testimonial-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: linear-gradient(45deg, transparent 50%, rgba(255, 255, 255, 0.1) 100%);
    border-radius: 50%;
    transform: translate(50%, 50%);
}

.testimonial-card i {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}


/* Application Image */

.application-image-wrapper {
    position: relative;
    padding: 20px;
    z-index: 1;
}

.application-image-wrapper::before {
    content: '';
    position: absolute;
    top: -10px;
    right: -10px;
    bottom: -10px;
    left: -10px;
    background: linear-gradient(135deg, var(--card-1) 0%, var(--card-2) 100%);
    opacity: 0.2;
    border-radius: 20px;
    z-index: -1;
}

.application-image-wrapper img {
    border-radius: 15px;
    transition: transform 0.3s ease;
}

.application-image-wrapper:hover img {
    transform: scale(1.02);
}


/* Testimonial Image */

.testimonial-image {
    width: 100px;
    height: 100px;
    margin: 0 auto;
    position: relative;
}

.testimonial-avatar {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border: 4px solid white;
    box-shadow: 0 5px 15px rgba(74, 144, 226, 0.2);
}

.testimonial-image::before {
    content: '';
    position: absolute;
    top: -5px;
    right: -5px;
    bottom: -5px;
    left: -5px;
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    border-radius: 50%;
    z-index: -1;
    opacity: 0.2;
}


/* FAQ Accordion */

.accordion-item {
    border: 1px solid rgba(74, 144, 226, 0.1);
    margin-bottom: 10px;
    border-radius: 10px !important;
    overflow: hidden;
    background: linear-gradient(to right, var(--accent-1) 0%, rgba(255, 255, 255, 0.95) 100%);
}

.accordion-item:nth-child(2n) {
    background: linear-gradient(to right, var(--accent-2) 0%, rgba(255, 255, 255, 0.95) 100%);
}

.accordion-button {
    position: relative;
    overflow: hidden;
}

.accordion-button::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50px;
    height: 100%;
    background: linear-gradient(to right, transparent 0%, rgba(255, 255, 255, 0.5) 100%);
    pointer-events: none;
}

.accordion-button:not(.collapsed) {
    background: linear-gradient(to right, rgba(74, 144, 226, 0.1) 0%, rgba(103, 128, 159, 0.05) 100%);
    color: var(--primary-color);
}

.accordion-button:focus {
    box-shadow: none;
    border-color: rgba(74, 144, 226, 0.25);
}


/* Button Styles */

.btn-primary {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    border: none;
    padding: 12px 30px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(74, 144, 226, 0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(74, 144, 226, 0.3);
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
}

.btn-primary:active {
    transform: translateY(1px);
}


/* Section Backgrounds */

.bg-light {
    background: linear-gradient(135deg, rgba(245, 247, 250, 0.5) 0%, rgba(255, 255, 255, 0.5) 100%) !important;
}

.features-section {
    background-color: var(--accent-2);
    position: relative;
    overflow: hidden;
}

.features-section::before {
    content: '';
    position: absolute;
    left: -10%;
    bottom: -10%;
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    opacity: 0.05;
    border-radius: 50%;
}

.support-section {
    background-color: var(--accent-3);
    position: relative;
    overflow: hidden;
}

.support-section::after {
    content: '';
    position: absolute;
    right: -5%;
    top: -5%;
    width: 250px;
    height: 250px;
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    opacity: 0.08;
    border-radius: 30% 70% 50% 50% / 50%;
}

.application-process {
    background-color: var(--accent-4) !important;
    position: relative;
    overflow: hidden;
}

.application-process::before {
    content: '';
    position: absolute;
    left: 5%;
    bottom: 5%;
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, var(--success-color) 0%, var(--info-color) 100%);
    opacity: 0.1;
    border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
}

.testimonials {
    background: linear-gradient(135deg, var(--accent-1) 0%, var(--accent-2) 100%);
    position: relative;
    overflow: hidden;
}

.testimonials::before {
    content: '';
    position: absolute;
    right: 10%;
    bottom: -10%;
    width: 350px;
    height: 350px;
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    opacity: 0.07;
    border-radius: 40% 60% 70% 30% / 40% 50% 50% 60%;
}

.faq-section {
    background-color: var(--accent-3) !important;
    position: relative;
    overflow: hidden;
}

.faq-section::after {
    content: '';
    position: absolute;
    left: -5%;
    top: 50%;
    width: 280px;
    height: 280px;
    background: linear-gradient(135deg, var(--warning-color) 0%, var(--success-color) 100%);
    opacity: 0.08;
    border-radius: 50% 50% 30% 70% / 50% 50% 70% 30%;
}


/* Decorative Elements */

.section-divider {
    height: 100px;
    background: linear-gradient(135deg, var(--accent-1) 0%, var(--accent-2) 100%);
    clip-path: polygon(0 0, 100% 0, 100% 70%, 0% 100%);
    margin-top: -50px;
    margin-bottom: -50px;
    position: relative;
    z-index: 1;
}


/* Responsive Adjustments */

@media (max-width: 768px) {
    .hero-section {
        padding: 40px 0;
    }
    .hero-section h1 {
        font-size: 2rem;
    }
    .process-steps .step {
        padding-left: 50px;
    }
    .step-number {
        width: 35px;
        height: 35px;
    }
    .feature-card,
    .testimonial-card,
    .support-list li {
        transform: none !important;
    }
    .hero-section::after,
    .features-section::before,
    .support-section::after,
    .application-process::before,
    .testimonials::before,
    .faq-section::after {
        width: 150px;
        height: 150px;
    }
    .section-divider {
        height: 50px;
        margin-top: -25px;
        margin-bottom: -25px;
    }
    .hero-image-wrapper {
        margin-top: 30px;
    }
    .feature-icon-wrapper {
        width: 60px;
        height: 60px;
    }
    .testimonial-image {
        width: 80px;
        height: 80px;
    }
    .feature-icon {
        font-size: 1.8rem;
    }
}

@media (max-width: 991px) {
    .fixed-gif {
        width: 100px;
    }
}

@media (max-width: 576px) {
    .fixed-gif {
        display: none;
    }
}


/* Footer Styles */

.footer {
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.footer h3 {
    color: #333;
    font-weight: 600;
}

.security-features li {
    background: white;
    padding: 15px 20px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.security-features li:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.security-features span {
    font-size: 1.1rem;
    color: #444;
}

@media (max-width: 768px) {
    .security-features li {
        padding: 12px 15px;
    }
    .security-features span {
        font-size: 1rem;
    }
}

.copyright-section {
    background-color: rgba(0, 0, 0, 0.02);
}

.copyright-section p {
    color: #666;
    font-size: 0.9rem;
}

.copyright-section a {
    color: #666;
    transition: color 0.3s ease;
}

.copyright-section a:hover {
    color: #333;
}

@media (max-width: 576px) {
    .copyright-section p {
        font-size: 0.8rem;
    }
}