/* =============================================
   1) Background Container
============================================= */
.contact-bg-container {
    position: relative;
    width: 100%;
    height: 100%;
}

/* =============================================
   2) Background Picture
============================================= */
/* Contact page right-side background image */
.contact-bg-img {
    position: absolute;
    right: 0;
    top: var(--nav-h, 60px);
    bottom: 0;
    width: 40%;
    margin-top: 2vw;
    margin-right: 9vw;
    z-index: 0;
    object-position: right top;
    mask-image: linear-gradient(to bottom, black 0%, transparent 100%);
}

.second-bg-img {
    width: 100%;
}

/* =============================================
   3) Text
============================================= */

.contact-text {
    position: relative;
    padding-top: 5vh;
    margin-bottom: 4vw;
    overflow: visible; 
    z-index: 2;
    display: block;
} 

.contact-text h1 {
    font-size: clamp(2.6rem, 4vw, 4rem);
    font-weight: bold;
    margin-bottom: 1vw;
    text-transform: uppercase;
    letter-spacing: 0px;
}
  
.contact-text .title::before {
    content: "#";
    color: #7FEF35;
    margin-right: 2vw;
}
  
  
.contact-text p {
    font-size: clamp(1rem, 1.33vw, 1.23rem);
    line-height:1.4;
    margin-bottom: 1.5vw;
    max-width: 100%; /* 移除宽度限制 */
    color: #ffffff;
    text-align: justify;
}

.contact-text ul {
    font-size: clamp(1rem, 1.33vw, 1.23rem);
    line-height:1.4;
    margin-bottom: 1.5vw;
    max-width: 100%; /* 移除宽度限制 */
    color: #ffffff;
    text-align: justify;
    padding-left: 0;
    list-style: disc;
    margin-left: 0;
}

.contact-text ul li {
    margin-left: 1.2em;
}
 
/* =============================================
   4) Contact Details (Facilities & Partnerships)
============================================= */
.contact-details {
    gap: 0vw;
    align-items: start;
    margin-top: 4vw;
}

.facilities-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4vw;
}


.contact-details h2 {
    font-family: 'HYFangDieF', 'AlibabaPuHuiTi', sans-serif;
    font-size: clamp(1rem, 1.55vw, 1.5rem);
    line-height: 0.5;
}

/* Facilities标题样式 - 模仿fees-title格式 */
.contact-facilities-title {
    font-size: clamp(1.5rem, 2vw, 2rem);
    font-weight: bold;
    margin-bottom: 4vh;
    text-transform: uppercase;
    letter-spacing: 0px;
    color: #ffffff;
}

.contact-facilities-title::before {
    content: "#";
    color: #7FEF35;
    margin-right: 10px;
}

/* =============================================
   Contact Facilities Cards (独立样式，避免与homepage冲突)
============================================= */
.contact-facilities-container {
    width: 100%;
    margin-top: 2vw;
}

/* 绿色括号装饰 - 模仿NewHomePage样式 */
.contact-cards-wrapper {
    position: relative;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5vw;
    background: rgba(0, 0, 0, 0.1);
    margin: 40px 0;
    padding: 20px;
}

.contact-cards-wrapper::before {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: -30px; /* Move left outward */
    width: 20px;
    border-left: 12px solid #7CFC00;
}

.contact-cards-wrapper::after {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    right: -30px; /* Move right outward */
    width: 20px;
    border-right: 12px solid #7CFC00;
}

.contact-bracket-top-left,
.contact-bracket-bottom-left {
    position: absolute;
    left: -30px; /* Align with left vertical line and move outward */
    width: 30px;
    height: 12px;
    background: #7CFC00;
}

.contact-bracket-top-left { 
    top: 0; 
}

.contact-bracket-bottom-left { 
    bottom: 0; 
}

.contact-bracket-top-right,
.contact-bracket-bottom-right {
    position: absolute;
    right: -30px; /* Align with right vertical line and move outward */
    width: 30px;
    height: 12px;
    background: #7CFC00;
}

.contact-bracket-top-right { 
    top: 0; 
}

.contact-bracket-bottom-right { 
    bottom: 0; 
}

/* 卡片样式 */
.contact-facility-card {
    position: relative;
    background: rgba(255, 255, 255, 0.05);
    overflow: visible; /* 允许逗号显示在卡片外部 */
    transition: all 0.3s ease;
    cursor: pointer;
}

.contact-facility-card img {
    width: 100%;
    aspect-ratio: 2 / 1; /* 2:1 比例 */
    object-fit: cover;
    display: block;
}

.contact-facility-card:hover img {
    filter: brightness(0);
}

.contact-facility-card-text {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 0vw;
    text-align: center;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: #ffffff;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.contact-facility-card-text::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    z-index: -1;
}

.contact-facility-card-text > * {
    margin-left: 5%;
    margin-right: 5%;
}

.contact-facility-card:hover .contact-facility-card-text {
    top: 50%;
    bottom: 50%;
    left: 0;
    right: 0;
    transform: translate(0, 0);
    background: transparent;
    white-space: normal;
    overflow: visible;
    text-overflow: unset;
    padding: 0vw;
}

.contact-facility-card:hover .contact-facility-card-text::before {
    background: transparent;
}


.contact-facility-card-text a {
    color: #ffffff;
    text-decoration: none;
    font-size: clamp(0.8rem, 1vw, 1rem);
    line-height: 1.3;
    display: block;
    transition: all 0.3s ease;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.contact-facility-card:hover .contact-facility-card-text a {
    white-space: normal;
    overflow: visible;
    text-overflow: unset;
}

.contact-facility-card-text a:hover {
    color: #7FEF35;
    text-decoration: underline;
}

.contact-facility-card-text:not(:has(a)) {
    color: #ffffff;
    font-size: clamp(0.8rem, 1vw, 1rem);
    line-height: 1.3;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.contact-facility-card:hover .contact-facility-card-text:not(:has(a)) {
    white-space: normal;
    overflow: visible;
    text-overflow: unset;
}

/* 卡片间逗号分隔符 - 模仿NewHomePage格式 */
.contact-facility-card::after {
    content: ",";
    position: absolute;
    right: -12px; /* Place in middle of column gap */
    top: auto;
    bottom: 0; /* Align with image bottom */
    transform: none;
    color: #7FEF35;
    font-size: 2rem;
    line-height: 1;
    font-family: 'HYFangDieF', 'AlibabaPuHuiTi', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
                 "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
    pointer-events: none;
    z-index: 3;
}

.contact-facility-card:last-child::after {
    content: "";
}

/* 旧样式保留用于其他列表 */
.facility-list{
    list-style: disc;
    padding-left: 1.2em;
    margin: 0;
}
.facility-list li{
    font-size: clamp(1rem, 1.25vw, 1.2rem);
    line-height: 1.2;
    text-align: left;
    margin: .6vw 0;
}

.facility-list li a{
    color: #ffffff;
    text-decoration: underline;
    transition: color 0.3s ease;
}

.facility-list li a:hover{
    color: #7FEF35;
    text-decoration: underline;
}

.contact-details .col p{
    font-family: 'AlibabaPuHuiTi', 'HYFangDieF', sans-serif;
    font-size: clamp(1rem, 1.25vw, 1.2rem);
    line-height: 1.2;
    margin: 0;
}

.contact-other-col {
    margin-left: -5vw;
    font-family: 'AlibabaPuHuiTi', 'HYFangDieF', sans-serif;
    font-size: clamp(1rem, 1.25vw, 1.2rem);
    width: 42vw;
}

/* 右列列表与标题左边界对齐 */
.contact-other-col ul{
    padding-left: 1.2em;
    margin: 0;

}

/* =============================================
   Responsive styles for different screen sizes
============================================= */

/* Large tablets and small desktops (<=1200px) */
@media (max-width: 1200px) {
    .contact-cards-wrapper {
        grid-template-columns: repeat(3, 1fr);
        gap: 2vw;
    }
}

/* Tablets (<=992px) */
@media (max-width: 992px) {
    .contact-cards-wrapper {
        grid-template-columns: repeat(2, 1fr);
        gap: 2.5vw;
    }
}

/* =============================================
   Mobile responsive styles (模仿homepage Overview Section格式)
============================================= */

/* Mobile (<=768px) responsive */
@media (max-width: 768px) {
    .facilities-section {
        grid-template-columns: 1fr;
        gap: 0vw;
    }
    
    .contact-about-section {
        position: relative;
        min-height: 50vh;
        padding: 0.5vh 1vh;
        margin-bottom: 1.5rem;
        width: 100%;
    }
    
    .contact-bg-container {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        z-index: 0;
    }
    
    .contact-bg-img {
        position: absolute;
        top: 50%;
        left: 50%;
        width: 70%;
        height: 70%;
        transform: translate(-50%, -50%);
        object-fit: cover;
        object-position: center;
        margin: 0;
        mask-image: linear-gradient(to bottom, black 0%, transparent 100%);
    }
    
    .contact-text {
        position: relative;
        width: 100%;
        height: auto;
        display: block;
        padding-top: 1rem;
        margin-bottom: 1rem;
        z-index: 2;
    }
    
    .contact-text h1 {
        font-size: clamp(1.8rem, 6vw, 2.5rem);
        margin-bottom: 1.5rem;
        line-height: 1.3;
        color: #ffffff;
        text-shadow: 0 2px 8px rgb(0, 0, 0);
    }
    
    .contact-text p {
        font-size: clamp(0.9rem, 3.5vw, 1.1rem);
        line-height: 1.6;
        text-align: left;
        margin-bottom: 1.2rem;
        max-width: 100%;
        word-wrap: break-word;
        hyphens: auto;
        color: #ffffff;
        text-shadow: 0 1px 4px rgb(0, 0, 0);
    }

    .contact-text ul {
        font-size: clamp(0.9rem, 3.5vw, 1.1rem);
        line-height: 1.6;
        max-width: 100%;
        word-wrap: break-word;
        hyphens: auto;
        color: #ffffff;
        text-shadow: 0 1px 4px rgb(0, 0, 0);
    }
    
    .contact-details {
        grid-template-columns: 1fr;
        gap: 2vw;
        padding: 0.5vh 1vh;
        margin-top: 1rem;
    }
    
    .contact-other-col {
        width: 100%;
        margin-left: 0;
    }
    
    .contact-details h2 {
        font-size: clamp(1.3rem, 2vw, 1.3rem);
        margin-bottom: 1.5rem;
        line-height: 1.3;
    }
    
    .contact-facilities-title {
        font-size: clamp(1rem, 4vw, 1.5rem);
        text-align: left;
    }
    
    .facility-list {
        width: 100%;
    }
    
    .facility-list li {
        font-size: clamp(0.9rem, 3.5vw, 1.1rem);
        line-height: 1.6;
        margin-bottom: 0.8rem;
    }
    
    /* Contact Facilities Cards 移动端响应式 */
    .contact-cards-wrapper {
        grid-template-columns: 1fr;
        gap: 3vw;
        padding: 3vw;
        margin: 20px 0;
    }
    
    /* 移动端保留绿色边框和括号 */
    .contact-cards-wrapper::before,
    .contact-cards-wrapper::after {
        display: block;
    }
    
    .contact-bracket-top-left,
    .contact-bracket-bottom-left,
    .contact-bracket-top-right,
    .contact-bracket-bottom-right {
        display: block;
    }
    
    /* 移动端隐藏逗号分隔符 */
    .contact-facility-card::after {
        display: none;
    }
    
    .contact-facility-card img {
        aspect-ratio: 2 / 1; /* 保持2:1比例 */
        object-fit: cover;
    }
    
    .contact-facility-card-text a,
    .contact-facility-card-text:not(:has(a)) {
        font-size: clamp(0.7rem, 2.5vw, 0.9rem);
    }
    
    .contact-details .col ul {
        width: 100%;
        list-style: disc;
        padding-left: 1.2em;
        margin: 0;
    }
    
    .contact-details .col ul li {
        font-size: clamp(0.9rem, 3.5vw, 1.1rem);
        line-height: 1.6;
        margin-bottom: 0.8rem;
    }
    
    .contact-details .col p {
        font-size: clamp(0.9rem, 3.5vw, 1.1rem);
        line-height: 1.6;
        margin-bottom: 1.2rem;
    }
    
    .second-bg-img {
        width: 100%;
        margin: 1rem 0;
    }
}

/* Medium mobile (<=640px) responsive */
@media (max-width: 640px) {
    .facilities-section {
        grid-template-columns: 1fr;
        gap: 0vw;
    }
    
    .contact-about-section {
        min-height: 45vh;
        padding: 0.3vh 1vh;
        margin-bottom: 1rem;
    }
    
    .contact-bg-img {
        width: 65%;
        height: 65%;
    }
    
    .contact-text h1 {
        font-size: clamp(1.6rem, 7vw, 2.2rem);
        margin-bottom: 1.2rem;
        color: #ffffff;
        text-shadow: 0 2px 8px rgba(0,0,0,0.7);
    }
    
    .contact-text p {
        font-size: clamp(0.85rem, 4vw, 1rem);
        line-height: 1.7;
        text-align: justify;
        margin-bottom: 1rem;
        word-wrap: break-word;
        hyphens: auto;
        color: #ffffff;
        text-shadow: 0 1px 4px rgba(0,0,0,0.7);
    }
    
    .contact-details h2 {
        font-size: clamp(1.3rem, 2vw, 1.3rem);
        margin-bottom: 1.2rem;
    }
    
    .contact-facilities-title {
        font-size: clamp(1rem, 4vw, 1.5rem);
        text-align: left;
    }
    
    .contact-other-col {
        width: 100%;
        margin-left: 0;
    }
    
    .facility-list li {
        font-size: clamp(0.85rem, 4vw, 1rem);
        line-height: 1.7;
        margin-bottom: 0.6rem;
    }
    
    .contact-details .col ul {
        width: 100%;
        list-style: disc;
        padding-left: 1.2em;
        margin: 0;
    }
    
    .contact-details .col ul li {
        font-size: clamp(0.85rem, 4vw, 1rem);
        line-height: 1.7;
        margin-bottom: 0.6rem;
    }
    
    .contact-details .col p {
        font-size: clamp(0.85rem, 4vw, 1rem);
        line-height: 1.7;
        margin-bottom: 1rem;
    }
}

/* Small mobile (<=480px) responsive */
@media (max-width: 480px) {
    .facilities-section {
        grid-template-columns: 1fr;
        gap: 0vw;
    }
    
    .contact-about-section {
        min-height: 40vh;
        padding: 0.2vh 1vh;
        margin-bottom: 0.8rem;
    }
    
    .contact-bg-img {
        width: 60%;
        height: 60%;
    }
    
    .contact-text h1 {
        font-size: clamp(1.4rem, 8vw, 2rem);
        margin-bottom: 1rem;
        line-height: 1.2;
        color: #ffffff;
        text-shadow: 0 2px 8px rgba(0,0,0,0.7);
    }
    
    .contact-text p {
        font-size: clamp(0.8rem, 4.5vw, 0.95rem);
        line-height: 1.7;
        text-align: justify;
        margin-bottom: 0.9rem;
        word-wrap: break-word;
        hyphens: auto;
        color: #ffffff;
        text-shadow: 0 1px 4px rgba(0,0,0,0.7);
    }
    
    .contact-details h2 {
        font-size: clamp(1.3rem, 2vw, 1.3rem);
        margin-bottom: 1rem;
        line-height: 1.2;
    }
    
    .contact-facilities-title {
        font-size: clamp(0.9rem, 5vw, 1.3rem);
        text-align: left;
    }
    
    .contact-other-col {
        width: 100%;
        margin-left: 0;
    }
    
    .facility-list li {
        font-size: clamp(0.8rem, 4.5vw, 0.95rem);
        line-height: 1.7;
        margin-bottom: 0.5rem;
    }
    
    .contact-details .col ul {
        width: 100%;
        list-style: disc;
        padding-left: 1.2em;
        margin: 0;
    }
    
    .contact-details .col ul li {
        font-size: clamp(0.8rem, 4.5vw, 0.95rem);
        line-height: 1.7;
        margin-bottom: 0.5rem;
    }
    
    .contact-details .col p {
        font-size: clamp(0.8rem, 4.5vw, 0.95rem);
        line-height: 1.7;
        margin-bottom: 0.9rem;
    }
    
    /* 小屏手机保留绿色边框和括号 */
    .contact-cards-wrapper {
        grid-template-columns: 1fr;
        gap: 2vw;
        padding: 2vw;
        margin: 15px 0;
    }
    
    .contact-cards-wrapper::before,
    .contact-cards-wrapper::after {
        display: block;
    }
    
    .contact-bracket-top-left,
    .contact-bracket-bottom-left,
    .contact-bracket-top-right,
    .contact-bracket-bottom-right {
        display: block;
    }
    
    /* 小屏手机隐藏逗号分隔符 */
    .contact-facility-card::after {
        display: none;
    }
}

@media (max-width: 1024px){
    .contact-details{
        grid-template-columns: 1fr;
        gap: 4vw;
    }
}