/* 
   BMW Destination Charging Initiative Styles
   版本控制：使用时间戳进行缓存清除
   样式设计：简洁、专业、符合BMW品牌形象
   主要功能：响应式设计，清晰的内容展示
*/

:root {
    --bmw-blue: #0066B1;
    --bmw-light-blue: #1C69D4;
    --bmw-dark: #262626;
    --bmw-gray: #666666;
    --bmw-light-gray: #f5f5f5;
    --white: #ffffff;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'BMW Type Next', Arial, sans-serif;
    line-height: 1.6;
    color: var(--bmw-dark);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    width: 100%;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('https://www.bmw-special-sales.com/content/dam/bmw/marketBMWCOM/bmw-special-sales_com/common/protection/7-protection/bmw-css-7-series-protection-sp-desktop.jpg.asset.1689576911436.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    width: 100%;
    max-width: 1200px;
    margin: 0;
    padding: 0 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

.hero-text {
    margin: 0;
    padding: 0;
}

.hero-text .bmw-logo {
    height: 60px;
    margin-bottom: 30px;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.hero-text h1 {
    font-size: 3rem;
    color: var(--white);
    margin-bottom: 10px;
}

.hero-text h2 {
    font-size: 2rem;
    color: var(--white);
    font-weight: normal;
}

.hero-text p {
    font-size: 1.8rem;
    color: var(--white);
    font-weight: 300;
    opacity: 0.9;
}
.fsg-logo{
    background: #133865;
}
/* Extended Network Section */
.extended-network {
    background-color: var(--white);
    padding: 80px 0;
}

.network-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-top: 40px;
}

.network-text {
    padding-right: 20px;
}

.network-text p {
    font-size: 1.2rem;
    line-height: 1.8;
    margin-bottom: 20px;
    color: var(--bmw-dark);
}

.network-image {
    position: relative;
    overflow: hidden;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.network-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.3s ease;
}

.network-image:hover img {
    transform: scale(1.02);
}

.contact-info {
    margin-top: 30px;
    padding: 20px;
    background: var(--bmw-light-gray);
    border-radius: 10px;
}

.contact-info p {
    margin: 0;
    font-size: 1.1rem;
}

.contact-info a {
    color: var(--bmw-blue);
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s ease;
}

.contact-info a:hover {
    color: var(--bmw-light-blue);
}

/* Section Styles */
.section {
    padding: 60px 0;
}

.section h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 40px;
    color: var(--bmw-dark);
}

.dark {
    background-color: var(--bmw-dark);
    color: var(--white);
}

.dark h2 {
    color: var(--white);
}

/* Partnership Section */
.partnership-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 30px;
    margin-bottom: 50px;
}

.partnership-logos img {
    height: 50px;
}

.plus {
    font-size: 2rem;
    color: var(--bmw-blue);
}

.partnership-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.partner-info h3 {
    color: var(--bmw-blue);
    margin-bottom: 20px;
    font-size: 1.5rem;
}

.partner-info ul {
    list-style: none;
}

.partner-info li {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.partner-info .et-icon {
    color: var(--bmw-blue);
    font-size: 1.5rem;
}

/* Partner Info Icons */
.partner-info li i {
    color: var(--bmw-blue);
    font-size: 1.5rem;
    width: 30px;
    text-align: center;
    margin-right: 15px;
}

/* Charging Solution Section */
.charger-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    align-items: center;
}

.charger-image img {
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
    display: block;
}

.charger-specs h3 {
    color: var(--white);
    margin-bottom: 20px;
}

.charger-specs ul {
    list-style: none;
}

.charger-specs li {
    margin-bottom: 15px;
}

.charger-specs ul ul {
    margin-left: 20px;
    margin-top: 10px;
}

/* Cost Model Section */
.cost-breakdown {
    max-width: 800px;
    margin: 0 auto;
    background: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.cost-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 30px;
    border-bottom: 1px solid var(--bmw-light-gray);
}

.cost-item.total {
    background-color: var(--bmw-light-gray);
    font-weight: bold;
}

.cost-item .label {
    font-size: 1.1rem;
}

.cost-item .price {
    color: var(--bmw-blue);
    font-size: 1.2rem;
    font-weight: bold;
}

/* Benefits Section */
.benefits-list {
    max-width: 800px;
    margin: 0 auto;
    list-style: none;
}

.benefits-list li {
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 20px;
}

.benefits-list .et-icon {
    color: var(--white);
    font-size: 1.5rem;
    min-width: 30px;
}

/* Benefits List Icons */
.benefits-list li i {
    color: var(--white);
    font-size: 1.5rem;
    width: 30px;
    text-align: center;
    margin-right: 20px;
}

/* Cloud Plan Section */
.plan-intro {
    text-align: center;
    margin-bottom: 50px;
}

.plan-intro h3 {
    color: var(--bmw-blue);
    font-size: 1.8rem;
    margin-bottom: 15px;
}

.plan-intro p {
    font-size: 1.2rem;
    color: var(--bmw-gray);
}

.cloud-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-bottom: 50px;
}

.feature {
    background: var(--white);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.feature .et-icon {
    font-size: 2.5rem;
    color: var(--bmw-blue);
    margin-bottom: 20px;
}

.feature h3 {
    color: var(--bmw-blue);
    margin-bottom: 20px;
    font-size: 1.4rem;
}

.feature ul {
    list-style: none;
}

.feature li {
    margin-bottom: 12px;
    padding-left: 20px;
    position: relative;
    line-height: 1.4;
}

.feature li::before {
    content: "•";
    color: var(--bmw-blue);
    position: absolute;
    left: 0;
}

.plan-summary {
    background: var(--bmw-light-gray);
    padding: 40px;
    border-radius: 10px;
    max-width: 800px;
    margin: 0 auto;
}

.plan-summary h3 {
    color: var(--bmw-blue);
    margin-bottom: 20px;
    font-size: 1.4rem;
}

.plan-summary ul {
    list-style: none;
}

.plan-summary li {
    margin-bottom: 15px;
    padding-left: 25px;
    position: relative;
    font-size: 1.1rem;
}

.plan-summary li::before {
    content: "→";
    color: var(--bmw-blue);
    position: absolute;
    left: 0;
}

/* Application Form */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background: var(--white);
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    color: var(--bmw-dark);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--bmw-blue);
}

/* Footer Styles */
.footer {
    background-color: var(--bmw-dark);
    color: var(--white);
    padding: 60px 0 40px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-bottom: 50px;
}

.footer-section h3 {
    color: var(--white);
    font-size: 1.2rem;
    margin-bottom: 20px;
    position: relative;
}

.footer-section h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--bmw-blue);
}

.footer-section p {
    line-height: 1.6;
    opacity: 0.8;
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section ul li {
    margin-bottom: 12px;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-section ul li:hover {
    opacity: 1;
}

.footer-section ul li i {
    margin-right: 10px;
    color: var(--bmw-blue);
}

.footer-section a {
    color: var(--white);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: var(--bmw-blue);
}

.social-links {
    display: flex;
    gap: 20px;
}

.social-links a {
    color: var(--white);
    font-size: 1.5rem;
    transition: all 0.3s ease;
}

.social-links a:hover {
    color: var(--bmw-blue);
    transform: translateY(-3px);
}

.footer-bottom {
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.partner-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    margin-bottom: 30px;
}

.partner-logos img {
    height: 30px;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.partner-logos img:hover {
    opacity: 1;
}

.copyright {
    color: var(--white);
    opacity: 0.6;
    font-size: 0.9rem;
}

/* Responsive Footer */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
}

@media (max-width: 768px) {
    .footer {
        padding: 40px 0 30px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .partner-logos {
        flex-wrap: wrap;
        gap: 20px;
    }

    .partner-logos img {
        height: 25px;
    }

    .social-links {
        justify-content: center;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }

    .hero-text h1 {
        font-size: 2rem;
    }

    .hero-text h2 {
        font-size: 1.5rem;
    }

    .hero-content {
        padding: 0 20px;
    }

    .hero-text .bmw-logo {
        height: 40px;
        margin-bottom: 20px;
    }

    .section {
        padding: 40px 0;
    }

    .partnership-logos {
        flex-direction: column;
    }

    .contact-form {
        padding: 20px;
    }

    .extended-network p {
        font-size: 1.1rem;
        line-height: 1.6;
    }

    .cost-item {
        padding: 15px 20px;
    }

    .cost-item .label,
    .cost-item .price {
        font-size: 1rem;
    }

    .plan-intro h3 {
        font-size: 1.5rem;
    }

    .feature {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .hero-text h1 {
        font-size: 2.5rem;
    }

    .hero-text p {
        font-size: 1.2rem;
    }
}

/* Add after the cloud plan styles */

/* Revenue Section */
.revenue-section {
    margin-bottom: 60px;
}

.revenue-title {
    background-color: var(--bmw-dark);
    color: var(--white) !important;
    padding: 20px;
    margin-bottom: 40px;
    text-align: left;
    font-size: 2rem;
}

/* Accordion Styles */
.accordion {
    max-width: 1000px;
    margin: 0 auto;
}

.accordion-item {
    margin-bottom: 15px;
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.accordion-header {
    width: 100%;
    padding: 20px;
    background: var(--white);
    border: none;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1.2rem;
    color: #f4a460; /* Orange color from the presentation */
    font-weight: bold;
    transition: background-color 0.3s ease;
}

.accordion-header:hover {
    background-color: #f5f5f5;
}

.accordion-icon {
    font-size: 1.5rem;
    min-width: 20px;
    text-align: center;
    transition: transform 0.3s ease;
}

.accordion-item.active .accordion-icon {
    transform: rotate(45deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    padding: 0 20px;
    background-color: var(--white);
}

.accordion-item.active .accordion-content {
    max-height: 1000px;
    padding: 20px;
    border-top: 1px solid #eee;
}

.accordion-content ul {
    list-style: disc;
    margin-left: 20px;
    margin-bottom: 20px;
}

.accordion-content li {
    margin-bottom: 10px;
    line-height: 1.6;
}

.accordion-content p {
    line-height: 1.6;
    margin-bottom: 15px;
}

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

/* Responsive adjustments */
@media (max-width: 768px) {
    .revenue-title {
        font-size: 1.5rem;
        padding: 15px;
    }

    .accordion-header {
        font-size: 1.1rem;
        padding: 15px;
    }

    .accordion-content {
        font-size: 0.95rem;
    }
}

/* Features Table */
.features-table-section {
    margin: 60px 0;
}

.features-table-section h3 {
    color: #f4a460;
    margin-bottom: 30px;
    font-size: 1.5rem;
}

.features-table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.features-table th,
.features-table td {
    padding: 15px 20px;
    text-align: left;
    border: 1px solid #e0e0e0;
}

.features-table th {
    background-color: #f5f5f5;
    font-weight: bold;
    color: var(--bmw-dark);
}

.features-table tr:nth-child(even) {
    background-color: #f9f9f9;
}

.features-table td:first-child {
    font-weight: bold;
    width: 25%;
    color: var(--bmw-blue);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .revenue-title {
        font-size: 1.5rem;
        padding: 15px;
    }

    .revenue-section h3 {
        font-size: 1.2rem;
    }

    .features-table th,
    .features-table td {
        padding: 10px;
    }

    .features-table td:first-child {
        width: 35%;
    }
}

/* Cloud Plan Overview */
.plan-overview {
    margin-bottom: 60px;
    padding: 40px;
    background-color: #f5f9fc;
    border-radius: 20px;
}

.plan-overview h3 {
    color: var(--bmw-blue);
    font-size: 2rem;
    margin-bottom: 40px;
    text-align: center;
}

.overview-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.overview-item {
    text-align: center;
    padding: 20px;
}

.overview-icon {
    margin: 0 auto 20px;
    text-align: center;
}

.overview-icon i {
    font-size: 3rem;
    color: var(--bmw-blue);
    transition: transform 0.3s ease;
}

.overview-item:hover .overview-icon i {
    transform: scale(1.1);
}

.overview-item h4 {
    color: var(--bmw-blue);
    font-size: 1.2rem;
    margin-bottom: 15px;
}

.overview-item p {
    color: var(--bmw-gray);
    line-height: 1.5;
}

.subscription-info {
    max-width: 900px;
    margin: 40px auto 0;
    padding: 20px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 10px;
}

.subscription-info p {
    line-height: 1.6;
    color: var(--bmw-dark);
}

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

@media (max-width: 768px) {
    .plan-overview {
        padding: 20px;
    }

    .plan-overview h3 {
        font-size: 1.5rem;
        margin-bottom: 30px;
    }

    .overview-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .overview-icon i {
        font-size: 2.5rem;
    }

    .overview-item h4 {
        font-size: 1.1rem;
    }
}

/* Overview Icons */
.overview-icon i {
    font-size: 3rem;
    color: var(--bmw-blue);
    transition: transform 0.3s ease;
}

.overview-item:hover .overview-icon i {
    transform: scale(1.1);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .overview-icon i {
        font-size: 2.5rem;
    }
    
    .partner-info li i,
    .benefits-list li i {
        font-size: 1.3rem;
    }
}

/* Responsive Extended Network */
@media (max-width: 1024px) {
    .network-content {
        gap: 40px;
    }
    
    .network-text p {
        font-size: 1.1rem;
    }
}

@media (max-width: 768px) {
    .extended-network {
        padding: 60px 0;
    }

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

    .network-text {
        padding-right: 0;
    }

    .network-image {
        margin: 0 -20px;
        border-radius: 0;
    }
}

/* CTA Button Styles */
.cta-button {
    display: inline-flex;
    align-items: center;
    padding: 15px 30px;
    background-color: var(--bmw-blue);
    color: var(--white);
    text-decoration: none;
    border-radius: 30px;
    font-size: 1.1rem;
    font-weight: 500;
    transition: all 0.3s ease;
    margin-top: 30px;
    border: 2px solid var(--bmw-blue);
}

.cta-button i {
    margin-left: 10px;
    transition: transform 0.3s ease;
}

.cta-button:hover {
    background-color: var(--white);
    color: var(--bmw-blue);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 102, 177, 0.2);
}

.cta-button:hover i {
    transform: translateX(5px);
}

.hero .cta-button {
    background-color: var(--white);
    color: var(--bmw-blue);
    border-color: var(--white);
}

.hero .cta-button:hover {
    background-color: transparent;
    color: var(--white);
}

.cta-container {
    margin-top: 30px;
}

/* Contact Form Section */
.contactform {
    padding: 0px 0 80px;
}


@media (max-width: 768px) {
    .contactform {
        padding: 60px 0;
    }
}

/* Sticky Header */
.sticky-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--bmw-dark);
    z-index: 1000;
    transform: translateY(-100%);
    transition: transform 0.3s ease;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.sticky-header.visible {
    transform: translateY(0);
}

.sticky-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 40px;
    height: 60px;
}

.sticky-logo {
    height: 30px;
    width: auto;
}

.sticky-cta {
    display: inline-flex;
    align-items: center;
    padding: 8px 20px;
    background-color: var(--bmw-blue);
    color: var(--white);
    text-decoration: none;
    border-radius: 25px;
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 2px solid var(--bmw-blue);
}

.sticky-cta i {
    margin-left: 8px;
    transition: transform 0.3s ease;
}

.sticky-cta:hover {
    background-color: transparent;
    color: var(--white);
    border-color: var(--white);
}

.sticky-cta:hover i {
    transform: translateX(5px);
}

@media (max-width: 768px) {
    .sticky-header .container {
        padding: 10px 20px;
    }

    .sticky-logo {
        height: 25px;
    }

    .sticky-cta {
        padding: 6px 15px;
        font-size: 0.9rem;
    }
}