/* EB-5页面样式 */
@import 'reset.css';
@import 'index.css';
@import 'common.css';

/* 标题通用样式 */
h2 {
    text-align: center;
    position: relative;
    margin-bottom: 50px;
    font-size: 2rem;
    color: var(--text-color);
    font-weight: 700;
    z-index: 1;
}

h2::before {
    content: attr(data-en);
    position: absolute;
    top: 20%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 4rem;
    font-weight: 900;
    text-transform: uppercase;
    color: rgba(247, 108, 21, 0.3);
    white-space: nowrap;
    z-index: -1;
    letter-spacing: 5px;
    -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 1) 0%, rgba(0, 0, 0, 0) 100%);
    /* 针对 WebKit 引擎，例如 Chrome, Safari */
    mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 1) 0%, rgba(0, 0, 0, 0) 100%);
    /* Standard CSS */
    -webkit-mask-mode: alpha;
    /* 使用 alpha 模式，根据透明度遮罩 */
    mask-mode: alpha;
    /* Standard CSS */
}

/* 页面头部 */
.eb5-header {
    padding: 100px 0;
    background: linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.4)), url('../images/eb5-bg.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: white;
    text-align: center;
}

.eb5-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(255, 255, 255, 0.1) 25%, transparent 25%),
        linear-gradient(-45deg, rgba(255, 255, 255, 0.1) 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, rgba(255, 255, 255, 0.1) 75%),
        linear-gradient(-45deg, transparent 75%, rgba(255, 255, 255, 0.1) 75%);
    background-size: 20px 20px;
    opacity: 0.1;
}

.eb5-header h1 {
    font-size: 3rem;
    margin: 0 0 24px;
    font-weight: 700;
    letter-spacing: -0.5px;
    position: relative;
}

.eb5-header .subtitle {
    font-size: 1.25rem;
    opacity: 0.95;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.6;
    font-weight: 400;
}

/* 通用部分样式 */
section {
    padding: 100px 0;
    position: relative;
}

/* 项目综述 */
.summary-section {
    width: 100%;
    background: url(../images/mask/bg-mask.png);
    background-size: cover;
    display: flex;
    align-items: center;
}

.summary-content {
    display: flex;
    height: 300px;
    justify-content: center;
    margin: 0 auto;
}

/* 图片 */
.summary-content .summary-img {
    transition: all 0.3s ease;
}

.summary-content .summary-img:hover {
    transform: scale(1.05);
}


.summary-content .summary-text {
    display: flex;
    flex-direction: column;
    justify-content: center;
    background-color: var(--primary-color);
    padding: 20px;
}

.summary-content .summary-text h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
    color: #fff;
}

.summary-content p {
    margin-bottom: 24px;
    font-size: 1rem;
    color: #ffffffd6;
}

/* 项目亮点 */
.highlights-section {
    background: #f9f9f9e6;
    display: flex;
    align-items: center;
    justify-content: center;
}

.highlights-grid {
    display: flex;
    flex-direction: column;
    gap: 32px;
    margin-top: 48px;
}

.highlight-item {
    height: 250px;
    padding: 36px;
    border-radius: 30px 30px 20px 20px;
    transition: var(--transition);
    border: 1px solid rgba(0, 0, 0, 0.065);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.highlight-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--primary-color);
    opacity: 0;
    transition: var(--transition);
}

.highlight-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.highlight-item:hover::before {
    opacity: 1;
}

.highlight-number {
    font-size: 2rem;
    font-weight: 700;
    background: var(--primary-color);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 20px;
    display: inline-block;
}

.highlight-item h3 {
    font-size: 1.25rem;
    margin: 0 0 16px;
    color: var(--text-color);
    font-weight: 600;
}

.highlight-item p {
    margin: 0;
    color: #4a5568;
    line-height: 1.7;
}

.cases-section {
    background-image: url('../images/mask/city.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}


/* FAQ部分 */
.faq-section {
    background-color: #fafafa;
}

.faq-list {
    margin: 0 auto;
}

.faq-item {
    background: white;
    border-radius: var(--border-radius);
    padding: 16px;
    margin-bottom: 24px;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.faq-item h3 {
    margin: 0;
    font-size: 1rem;
    color: var(--primary-color);
    font-weight: 600;
    position: relative;
    padding-left: 28px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-item h3::before {
    content: 'Q';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: 700;
}

.faq-item h3::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--primary-color);
    transition: transform 0.3s ease;
}

.faq-item.active h3::after {
    transform: rotate(45deg);
}

.faq-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.faq-item.active .faq-content {
    max-height: 500px;
    transition: max-height 0.5s ease-in;
}

.faq-item p {
    margin: 16px 0 0;
    color: #4a5568;
    line-height: 1.8;
    position: relative;
    padding-left: 28px;
}

.faq-item p::before {
    content: 'A';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: 700;
}

/* 申请标准 */
.criteria-section {
    background-color: #f9f9f9;
    padding: 80px 0;
}

.criteria-content {
    display: flex;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.criteria-img {
    flex: 0 0 400px;
    height: auto;
    overflow: hidden;
    position: relative;
}

.criteria-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.criteria-img:hover img {
    transform: scale(1.05);
}

.criteria-text {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 40px;
    background: linear-gradient(135deg, var(--primary-color) 0%, #ff8a30 100%);
    position: relative;
}

.criteria-text::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../images/mask/bg-mask.png') center center/cover;
    opacity: 0.05;
    z-index: 1;
}

.criteria-text h3 {
    font-size: 28px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 20px;
    position: relative;
    z-index: 2;
    border-bottom: 2px solid rgba(255, 255, 255, 0.3);
    padding-bottom: 15px;
}

.criteria-text p {
    font-size: 18px;
    color: #fff;
    margin-bottom: 25px;
    position: relative;
    z-index: 2;
    font-weight: 500;
}

.criteria-text ul {
    list-style: none;
    padding: 0;
    margin: 0;
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 15px;
}

.criteria-text ul li {
    font-size: 16px;
    color: #fff;
    padding: 12px 15px 12px 35px;
    position: relative;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    line-height: 1.5;
}

.criteria-text ul li:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateX(5px);
}

.criteria-text ul li::before {
    content: "\f00c";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    color: #fff;
    position: absolute;
    left: 12px;
    font-size: 14px;
}

/* 响应式调整 */
@media (max-width: 992px) {
    .criteria-content {
        flex-direction: column;
    }

    .criteria-img {
        flex: 0 0 300px;
    }

    .criteria-text ul {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .criteria-text {
        padding: 30px 20px;
    }

    .criteria-text h3 {
        font-size: 24px;
    }

    .criteria-text p {
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 20px;
    }

    .eb5-header h1 {
        font-size: 2rem;
    }

    .eb5-header .subtitle {
        font-size: 1rem;
    }

    section {
        padding: 60px 0;
    }

    h2::before {
        font-size: 3rem;
    }

    .highlight-item,
    .case-item,
    .faq-item {
        padding: 24px;
    }
}



/* 申请优势部分样式 */
.advantages-section {
    padding: 100px 0;
    background-color: #f9f9f9;
}

.advantages-background {
    position: relative;
    overflow: hidden;
}


.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    position: relative;
    z-index: 2;
}


.advantage-box {
    background: rgba(255, 255, 255, 0.879);
    padding: 30px 25px;
    text-align: center;
    transition: all 0.3s ease;
    /* 边框 灰色 */
    border: 2px solid #cccccc44; 
}



.advantage-box:hover {
   
    box-shadow: 0 10px 30px rgba(245, 146, 32, 0.08);
    /* 橙色阴影 + 偏移 */
    transform: translateY(-5px);

    /* 橙色背景 白色文本 */
    background: var(--primary-color);
  
}

.advantage-box:hover .advantage-icon i {
    color: white;
}

.advantage-box:hover h3 {
    color: white;
}

.advantage-box:hover p {
    color: white;
}

.advantage-box:hover .advantage-icon {
    background: rgba(255, 255, 255, 0.368);
}






.advantage-icon {
    width: 70px;
    height: 70px;
    background: rgba(255, 107, 0, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.advantage-icon i {
    font-size: 28px;
    color: #FF6B00;
}

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

.advantage-box p {
    color: #666;
    font-size: 14px;
    line-height: 1.6;
}


.criteria-note {
    margin-top: 20px;
    color: #4a5568;
}

.criteria-note p {
    font-size: 14px;
    line-height: 1.6;
    color: #d0e0fa;
}