/* ========================================
   全局基础样式
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: #333;
}

/* 日语语言样式 - 字体缩小 */
/*body.lang-ja {*/
/*    font-size: 14px;*/
/*}*/

/*body.lang-ja .nav-item {*/
/*    font-size: 14px;*/
/*    padding: 10px 14px;*/
/*}*/

/*body.lang-ja .section-title {*/
/*    font-size: 28px;*/
/*}*/

/*body.lang-ja .section-description,*/
/*body.lang-ja .section-description1 {*/
/*    font-size: 14px;*/
/*}*/

/*body.lang-ja .footer-col h3 {*/
/*    font-size: 14px;*/
/*}*/

/*body.lang-ja .footer-col a {*/
/*    font-size: 12px;*/
/*}*/

.container {
    max-width: 1350px;
    margin: 0 auto;
    padding: 0 20px;
}

.logo-box {
    background: #FFD700;
    color: #333;
    padding: 8px 15px;
    font-weight: bold;
    border-radius: 3px;
}

/* Logo链接 */
.logo a {
    text-decoration: none;
    color: inherit;
}

/* ========================================
   导航栏
   ======================================== */
.header {
    background: #fff;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100px;
    position: relative;
}

.header-icon .icon-circle {
    background-color: rgb(244,224,42);
    min-width: 110px;
    height: 100px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    padding: 0 10px;
}

.icon-circle img {
    width: 55px;
}

.login_word {
    margin-top: 5px;
    font-size: 20px;
    text-align: center;
    white-space: nowrap;
}

.nav {
    display: flex;
    margin-left: 50px;
}

.nav a {
    color: #333;
    text-decoration: none;
    transition: color 0.3s;
    font-size: 20px;
    font-family: "Microsoft YaHei", sans-serif;
}

.nav a:hover {
    color: rgb(244,224,42);
}

.nav a.active {
    color: #FFD700;
    font-weight: bold;
}

.nav-item {
    display: inline-block;
    padding: 10px 28px;
    background-repeat: no-repeat;
    background-position: center;
    background-size: 100% 100%;
    transition: all 0.3s ease-in-out;
    line-height: normal;
    background-image: none;
    white-space: nowrap;
}

.nav-item:hover,
.nav-item.active {
    font-weight: bold;
    background-image: url('https://student-data.oss-accelerate.aliyuncs.com/front/index/2.png');
    color: #333 !important;
    cursor:pointer;
}

.service-features-info-title{
    text-align: center;
    margin-top: 8%;
}

/* 下拉菜单 */
.nav-dropdown {
    position: relative;
    display: inline-block;
}

.nav-dropdown-trigger {
    cursor: default;
    font-size: 20px;
    font-family: "Microsoft YaHei", sans-serif;
}

.nav-dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: #fff;
    min-width: 100%;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    /*padding: 10px 0;*/
}

.nav-dropdown:hover .nav-dropdown-menu {
    display: block;
}

/* 子菜单页面激活状态 - 下拉菜单一直显示 */
.nav-dropdown.submenu-active .nav-dropdown-menu {
    display: block;
}

.nav-dropdown-item {
    display: block;
    padding: 10px 20px;
    color: #333;
    text-decoration: none;
    font-size: 18px;
    text-align: center;
    transition: color 0.3s ease;
    background-repeat: no-repeat;
    background-position: center;
    background-size: 100% 100%;
    background-image: none;
}

.nav-dropdown-item:hover,
.nav-dropdown-item.active {
    font-weight: bold;
    background-image: url('https://student-data.oss-accelerate.aliyuncs.com/front/index/2.png');
    color: #333 !important;
}

/* ========================================
   Hero区域
   ======================================== */
.hero {
    background-image: url("https://student-data.oss-accelerate.aliyuncs.com/front/index/1.png");
    background-size: contain;
}

.hero-layout {
    border-bottom: 2px solid;
    margin-top: 50px;
    margin-bottom: 50px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.hero-title-vertical h1 {
    font-size: 48px;
    writing-mode: vertical-rl;
    letter-spacing: 8px;
    font-weight: bold;
}

.english-vertical {
    writing-mode: vertical-rl;
    font-size: 14px;
    letter-spacing: 2px;
    margin-top: 20px;
}

.hero-icon {
    width: 80px;
    height: 80px;
    border: 3px solid #333;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
}

.hero-right {
    flex: 1;
}

.hero-info {
    text-align: center;
    flex: 0 0 45%;
    max-width: 100%;
    box-sizing: border-box;
}

.hero-copy {
    flex: 1;
}

.hero-tagline {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 5px;
}

.hero-tagline-sub {
    font-size: 16px;
    color: #333;
    margin-bottom: 20px;
}

.hero-desc {
    color: #4d4d4d;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    gap: 15px;
    margin: 30px 0 20px;
}

.btn-link,
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    border-radius: 999px;
    padding: 12px 28px;
    text-decoration: none;
}

.btn-link {
    background: transparent;
    border: 1px solid #333;
    color: #333;
}

.btn-link:hover {
    background: #333;
    color: #fff;
}

.btn-primary {
    background: #333;
    color: #fff;
}

.btn-primary:hover {
    background: #000;
}

.hero-stats {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
}

.stat-item {
    min-width: 120px;
}

.stat-number {
    display: block;
    font-size: 32px;
    font-weight: 700;
}

.hero-visual {
    flex: 0 0 55%;
    max-width: 100%;
    display: flex;
    flex-direction: column;
    gap: 20px;
    box-sizing: border-box;
}

.hero-image img {
    width: 100%;
}

.placeholder-image {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    font-size: 24px;
}

.hero-note {
    align-self: flex-end;
    background: rgba(255, 255, 255, 0.8);
    padding: 20px;
    text-align: right;
    border-radius: 12px;
    line-height: 1.4;
    font-weight: 600;
    color: #666;
}

.hero-subtitle {
    text-align: center;
    font-size: 16px;
    margin-top: 30px;
}

/* 侧边咨询按钮 */
.floating-consult {
    width: auto;
    height: auto;
    position: fixed;
    top: 45%;
    right: 30px;
    z-index: 999;
    transform: translateY(-50%);
    background: rgb(244,224,42);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.floating-consult a {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 20px 15px;
    color: #333;
    text-decoration: none;
}

.floating-consult img {
    width: 40px;
    height: auto;
}

.consult-icon {
    font-size: 20px;
}

.consult-text {
    letter-spacing: 2px;
    font-size: 16px;
    font-weight: bold;
    white-space: nowrap;
}

/* ========================================
   轮播图样式
   ======================================== */
.carousel-container {
    position: relative;
    overflow: hidden;
    width: 100%;
}

.carousel-track {
    display: flex;
    transition: transform 0.5s ease-in-out;
    width: 100%;
}

.carousel-slide {
    min-width: 100%;
    box-sizing: border-box;
}

.carousel-slide img {
    width: 100%;
    display: block;
    object-fit: cover;
}

.carousel-indicators {
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.indicator {
    border: none;
    width: 60px;
    height: 3px;
    background-color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: background-color 0.3s;
    padding: 0;
}

.indicator.active {
    background-color: rgb(244, 224, 42);
    transform: scale(1.2);
}

/* ========================================
   通用区块样式
   ======================================== */
.section-head {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 20px;
}

.section-title {
    margin-left: 40px;
    letter-spacing: 4px;
    font-size: 52px;
    margin-bottom: 40px;
    text-align: left;
    padding-bottom: 10px;
    display: inline-block;
}

.section-subtitle {
    font-weight: 500;
    margin-left: 62px;
    font-size: 24px;
    color: #dbd1d1;
    margin-top: -66px;
}

.section-head-line {
    height: 3px;
    background-color: rgb(244, 224, 42);
    margin-left: calc(-50vw + 50%);
    width: calc(50vw - 50% + 400px);
}

.section-description {
    margin: 10px auto 20px auto;
    text-align: center;
    font-size: 20px;
    line-height: 40px
}

.section-description1 {
    margin: 0 auto 50px;
    text-align: center;
    font-size: 20px;
}

/* ========================================
   官方合作院校
   ======================================== */
.partners {
    padding: 45px 0;
    background: #fff;
}

.partners-content {
    display: flex;
    margin: 50px 0;
    height: 650px;
    border-radius: 8px;
    overflow: hidden;
}

.partners-image-area {
    flex: 0 0 80%;
    position: relative;
    overflow: hidden;
}

.partners-image-area .partner-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.partners-image-area .partner-img.active {
    opacity: 1;
}

.partners-list-area {
    margin-left: 4%;
    flex: 0 0 16%;
    display: flex;
    flex-direction: column;
    background: #f2f2f2;
    overflow: visible;
}

.partner-item {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    cursor: pointer;
    transition: background-color 0.3s ease;
    border-bottom: 1px solid #e0e0e0;
    background: #f2f2f2;
    position: relative;
}

.partner-item:last-child {
    border-bottom: none;
}

.partner-item::before {
    content: '';
    position: absolute;
    left: -12px;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-top: 12px solid transparent;
    border-bottom: 12px solid transparent;
    border-right: 12px solid rgb(244, 224, 42);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.partner-item:hover::before,
.partner-item.active::before {
    opacity: 1;
}

.partner-item:hover,
.partner-item.active {
    background-color: rgb(244, 224, 42);
}

.partner-name {
    font-size: 18px;
    font-weight: bold;
    color: #333;
    text-align: center;
}

.partners-list {
    position: relative;
}

.partners-panel {
    flex: 1;
    background: #fdf8e3;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.partners-badge {
    background: #FFD700;
    padding: 15px 25px;
    font-weight: bold;
    margin-bottom: 20px;
    display: inline-block;
    border-radius: 5px;
}

.partners-intro {
    color: #444;
    line-height: 1.7;
    margin-bottom: 20px;
}

.partners-details {
    list-style: none;
    margin-bottom: 25px;
}

.partners-details li {
    display: flex;
    gap: 15px;
    padding: 10px 0;
    border-bottom: 1px solid rgba(0,0,0,0.08);
    font-size: 14px;
}

.partners-details li:last-child {
    border-bottom: none;
}

.partners-details span {
    flex: 0 0 80px;
    color: #999;
}

.partners-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.partners-tabs .tab {
    padding: 8px 18px;
    border-radius: 20px;
    background: rgba(0,0,0,0.08);
    font-size: 13px;
}

.partners-tabs .tab.active {
    background: #333;
    color: #fff;
}

/* 证书样式 */
.certificate {
    flex: 1;
}

.certificate-image {
    width: 100%;
    height: 400px;
}

.placeholder-cert {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #f5f5dc 0%, #e6d5b8 100%);
    border: 10px solid #d4af37;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #8b7355;
}

/* ========================================
   课程服务
   ======================================== */
.courses {
    padding: 80px 0;
    position: relative;
}

.camp {
    padding: 20px 0;
    position: relative;
    overflow: visible;
    background: transparent;
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 72px;
    margin-bottom: 40px;
}

.course-item {
    background: #fff;
    overflow: hidden;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s;
    display: flex;
    flex-direction: column;
    cursor:pointer;
}

.course-item:hover {
    transform: translateY(-5px);
}

.course-item a {
    text-decoration: none;
    color: inherit;
}

.course-image {
    width: 100%;
    height: 450px;
    position: relative;
    overflow: hidden;
}

.course-info {
    flex: 1;
}

.course-info h3 {
    font-size: 24px;
    color: #333;
}

.course-tag {
    font-size: 12px;
    letter-spacing: 2px;
    color: #999;
    text-transform: uppercase;
}

.placeholder-course {
    margin-left: 40px;
    letter-spacing: 2px;
    font-weight: bold;
    width: 100%;
    height: 179%;
    display: flex;
    align-items: center;
    justify-content: left;
    color: white;
    font-size: 22px;
}

.cover-academy .placeholder-course {
    background: linear-gradient(135deg, #f8d800, #facc15);
}

.cover-vocal .placeholder-course {
    background: linear-gradient(135deg, #f472b6, #c026d3);
}

.cover-orchestra .placeholder-course {
    background: linear-gradient(135deg, #1d4ed8, #06b6d4);
}

.cover-studio .placeholder-course {
    background: linear-gradient(135deg, #3b82f6, #111827);
}

/* 黄色装饰 - 右侧版本 */
.yellow-accent {
    position: absolute;
    right: 0;
    bottom: 404px;
    width: 59vw;
    height: 400px;
    z-index: -999999;
    border: 2px solid rgb(244, 224, 42);
}

.yellow-accent-border {
    position: absolute;
    right: 0;
    bottom: 433px;
    width: 55vw;
    height: 345px;
    background: rgb(244, 224, 42);
    z-index: -999999;
}

/* 黄色装饰 - 左侧版本（用于osaka页面） */
.yellow-accent-left {
    position: absolute;
    left: calc(-50vw + 50%);
    bottom: 352px;
    width: 59vw;
    height: 400px;
    z-index: 1;
    border: 2px solid rgb(244, 224, 42);
}

.yellow-accent-border-left {
    position: absolute;
    left: calc(-50vw + 50%);
    bottom: 380px;
    width: 55vw;
    height: 345px;
    background: rgb(244, 224, 42);
    z-index: 0;
}

.camp .courses-grid {
    position: relative;
    z-index: 2;
}

/* ========================================
   师资团队
   ======================================== */
.team {
    background: #fff;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
}

.team-member {
    display: flex;
}

.team-member .member-image {
    width: 100%;
    height: 100%;
}

.member-image img {
    object-fit: cover;
    width: 100%;
    height: 100%;
}

.team-image {
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.placeholder-member {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #434343 0%, #000000 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 18px;
}

.member-label {
    font-size: 12px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: #999;
}

.team-member h3 {
    font-size: 22px;
}

/* 师资介绍（osaka页面） */
.faculty-intro {
    display: flex;
    margin-top: 50px;
    /*gap: 20px;*/
}

.faculty-intro-left {
    flex: 0 0 20%;
    background-color:rgb(241 241 241);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    gap: 20px;
}

.faculty-intro-text {
    writing-mode: vertical-rl;
    font-size: 26px;
    /*font-weight: bold;*/
    letter-spacing: 8px;
    color: #333;
}

.faculty-intro-left img {
    width: 30px;
    height: auto;
}

.faculty-intro-right {
    flex: 0 0 80%;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.faculty-row {
    display: flex;
    /*gap: 20px;*/
    min-height: 360px;
}

.faculty-img-item {
    flex: 1;
    overflow: hidden;
    position: relative;
}

.faculty-img-item img {
    width: 100%;
    /*height: 100%;*/
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}

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

/* 教师信息覆盖层 */
.faculty-info {
    position: absolute;
    bottom: 124px;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.4);
    padding: 2px 15px;
    color: #fff
}

.faculty-info1 {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: white;
    padding: 8px 16px;
    color: #333;
    height: 122px;
}
.faculty-info2{
    position: absolute;
    bottom: 124px;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.7);
    padding: 2px 15px;
    color: #fff
}

/* 圆形图片样式 */
.circle-item {
    display: flex;
    justify-content: center;
    align-items: center;
    background: #f5f5f5;

}

.circle-item .circle-img {
    width: 170px !important;
    height: 170px !important;
    border-radius: 50%;
    object-fit: cover;
    object-position: center top;
    margin-top: -150px;
}

.faculty-name {
    font-size: 20px;
    font-weight: bold;
    margin: 0;
}

.faculty-position {
    font-size: 16px;
    margin: 0 0 3px 0;
    opacity: 0.9;
}

.faculty-title {
    font-size: 15px;
    /*font-weight: bold;*/
    margin: 0;
    /*color: rgb(244, 224, 42);*/
}

/* 教学活动图片展示（osaka页面） */
.activity-images {
    display: flex;
    gap: 50px;
    margin-top: 50px;
}

.activity-img-item {
    flex: 1;
    overflow: hidden;
    cursor: pointer;
}

.activity-img-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* ========================================
   活动回顾
   ======================================== */
.activities {
    padding: 50px 0;
}

.activities-bg {
    margin-top: 50px;
    background-color: rgb(242, 242, 242);
    width: 100vw;
    margin-left: calc(-50vw + 50%);
    padding: 30px calc(50vw - 50%);
    box-sizing: border-box;
}

.activities-slider {
    position: relative;
    display: flex;
    align-items: center;
    gap: 20px;
    margin-top: 50px;
}

.slider-wrapper {
    flex: 1;
    overflow: hidden;
}

.slider-content {
    display: flex;
    gap: 20px;
    transition: transform 0.3s ease;
    overflow-x: auto;
    scroll-behavior: smooth;
    flex: 1;
}

.activity-item {
    flex: 0 0 calc(33.333% - 14px);
    min-width: 320px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.08);
    overflow: hidden;
}

.placeholder-activity {
    width: 100%;
    height: 220px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
}

.activity-info {
    padding: 20px;
}

.activity-date {
    color: #999;
    font-size: 13px;
    margin-bottom: 8px;
}

.activity-info h3 {
    margin-bottom: 10px;
}

.activity-info p {
    color: #555;
    line-height: 1.6;
}

.slider-btn {
    color: black;
    width: 50px;
    height: 60px;
    border: none;
    background-color: #fff;
    border-radius: 20%;
    font-size: 24px;
    cursor: pointer;
    display: flex !important;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: background-color 0.3s ease;
    flex-shrink: 0;
    opacity: 1 !important;
    visibility: visible !important;
    z-index: 10;
}

.slider-btn:hover {
    background-color: rgb(244, 224, 42);
}

.slider-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 30px;
}

.slider-dot {
    width: 60px;
    height: 3px;
    background-color: #ccc;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.slider-dot:hover {
    background-color: #999;
}

.slider-dot.active {
    background-color: rgb(244, 224, 42);
}

/* ========================================
   CTA区域
   ======================================== */
.cta {
    margin: 0 auto;
    max-width: 1350px;
    padding: 80px 0;
    background: #fff;
    text-align: center;
    box-shadow: 0 -10px 20px rgba(0,0,0,-90), 10px 0 20px rgba(0,0,0,0.1), -10px 0 20px rgba(0,0,0,0.1);
}

.cta-subtitle {
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 15px;
    font-size: 40px;
}

.cta .contract-me {
    font-size: 28px;
    margin-bottom: 50px;
}

.cta-button {
    border: none;
    padding: 15px 50px;
    cursor: pointer;
    width: 150px;
}

/* ========================================
   页脚
   ======================================== */
.footer {
    background-image: url("https://student-data.oss-accelerate.aliyuncs.com/front/index/footer2.png");
    color: #fff;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 40px;
    margin-bottom: 50px;
}

.footer-col h3 {
    font-size: 24px;
    margin-bottom: 20px;
}

.footer-col ul {
    list-style: none;
}

.footer-col li {
    margin-bottom: 10px;
}

.footer-col a {
    color: #ccc;
    text-decoration: none;
    font-size: 20px;
    transition: color 0.3s;
}

.footer-col a:hover {
    color: #FFD700;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    padding: 40px 0;
    border-top: 1px solid #444;
    border-bottom: 1px solid #444;
}

.footer-locations {
    width: 45%;
}

.footer-contact h3,
.footer-locations h3 {
    font-size: 28px;
    margin-bottom: 15px;
    letter-spacing: 2px;
}

.footer-contact p {
    font-size: 20px;
    color: white;
    margin-bottom: 8px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.contact-item img {
    width: 20px;
    height: 20px;
    object-fit: contain;
}

.location-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.location-item img {
    width: 30px;
    height: 30px;
    object-fit: contain;
}

.location-item a {
    text-decoration: none;
    color: inherit;
}

.locations {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}

.locations span {
    font-size: 20px;
    color: white;
}

.social-icons {
    display: flex;
    gap: 15px;
    margin-left: 110px;
}

.social-icon {
    width: 60px;
    height: 60px;
    background: rgb(111 106 106);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    text-decoration: none;
    font-size: 12px;
    transition: background 0.3s;
}

.social-icon img {
    width: 28px;
}

.social-icon:hover {
    background: #FFD700;
    color: #333;
}

.footer-line {
    width: 100%;
    height: 1px;
    background: white;
}

.copyright {
    text-align: center;
    padding-top: 30px;
    font-size: 18px;
    color: white;
}

/* 地址悬浮地图样式 */
.address-hover {
    position: relative;
    display: inline-block;
    cursor: pointer;
}

.address-hover a {
    text-decoration: none;
    color: inherit;
}

.address-text {
    /*text-decoration: underline;*/
    text-underline-offset: 3px;
    color: white;
}

.address-map-popup {
    display: none;
    position: absolute;
    bottom: 100%;
    left: 0;
    margin-bottom: 10px;
    z-index: 100;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    overflow: hidden;
}

.address-map-popup img {
    display: block;
    width: 80vw;
    height: auto;
}

.map-nav-text {
    display: block;
    text-align: center;
    padding: 8px;
    background: rgb(244, 224, 42);
    color: #333;
    font-size: 14px;
    font-weight: bold;
}

.address-hover:hover .address-map-popup {
    display: block;
}

/* 校区位置悬浮地图样式 */
.location-hover {
    position: relative;
    cursor: pointer;
}

.location-map-popup {
    display: none;
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    margin-bottom: 10px;
    z-index: 100;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    overflow: hidden;
}

.location-map-popup img {
    display: block;
    width: 80vw;
    height: auto;
}

.location-hover:hover .location-map-popup {
    display: block;
}

/* ========================================
   登录弹窗样式
   ======================================== */
.login-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
}

.login-modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
}

.login-modal-content {
    position: relative;
    background: #1a1a1a;
    border-radius: 12px;
    padding: 40px;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(244, 224, 42, 0.3);
    z-index: 1;
}

.login-modal-close {
    position: absolute;
    top: 15px;
    right: 20px;
    background: none;
    border: none;
    font-size: 28px;
    color: #999;
    cursor: pointer;
    transition: color 0.3s ease;
}

.login-modal-close:hover {
    color: rgb(244, 224, 42);
}

.login-modal-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-modal-header h2 {
    color: #fff;
    font-size: 24px;
    margin-top: 20px;
    font-weight: 500;
    letter-spacing: 2px;
}

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

.login-form label {
    display: block;
    color: #ccc;
    font-size: 14px;
    margin-bottom: 8px;
    letter-spacing: 1px;
}

.login-form input[type="text"],
.login-form input[type="password"] {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid #333;
    border-radius: 8px;
    background-color: #2a2a2a;
    color: #fff;
    font-size: 16px;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    box-sizing: border-box;
}

.login-form input[type="text"]:focus,
.login-form input[type="password"]:focus {
    outline: none;
    border-color: rgb(244, 224, 42);
    box-shadow: 0 0 0 3px rgba(244, 224, 42, 0.1);
}

.login-form input::placeholder {
    color: #666;
}

.login-tips {
    color: #ff6b6b;
    font-size: 14px;
    min-height: 20px;
    margin-bottom: 15px;
    text-align: center;
}

.login-submit-btn {
    width: 100%;
    padding: 14px;
    background: rgb(244, 224, 42);
    border: none;
    border-radius: 8px;
    color: #1a1a1a;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
    letter-spacing: 2px;
}

.login-submit-btn:hover {
    background: rgb(255, 235, 59);
    transform: translateY(-2px);
}

.login-submit-btn:active {
    transform: translateY(0);
}

.login-type-selector {
    margin-bottom: 25px;
}

.login-type-tabs {
    display: flex;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid #333;
}

.login-type-tab {
    flex: 1;
    padding: 12px 20px;
    background: #2a2a2a;
    border: none;
    color: #999;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
    letter-spacing: 1px;
}

.login-type-tab:first-child {
    border-right: 1px solid #333;
}

.login-type-tab:hover {
    background: #333;
    color: #fff;
}

.login-type-tab.active {
    background: rgb(244, 224, 42);
    color: #1a1a1a;
    font-weight: bold;
}

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

.login-form-group label {
    display: block;
    color: #ccc;
    font-size: 14px;
    margin-bottom: 8px;
    letter-spacing: 1px;
}

.login-form-group input[type="text"],
.login-form-group input[type="password"] {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid #333;
    border-radius: 8px;
    background-color: #2a2a2a;
    color: #fff;
    font-size: 16px;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    box-sizing: border-box;
}

.login-form-group input[type="text"]:focus,
.login-form-group input[type="password"]:focus {
    outline: none;
    border-color: rgb(244, 224, 42);
    box-shadow: 0 0 0 3px rgba(244, 224, 42, 0.1);
}

.login-form-group input::placeholder {
    color: #666;
}

.login-error-tip {
    color: #e53e3e;
    font-size: 12px;
    margin-top: 8px;
    min-height: 16px;
    line-height: 16px;
    text-align: center;
}

/* ========================================
   页面Hero区域（子页面）
   ======================================== */
.page-hero {
    background: linear-gradient(135deg, #FFD700 0%, #FFC800 100%);
    padding: 80px 0 60px;
    text-align: center;
}

.page-title {
    font-size: 42px;
    margin-bottom: 15px;
    color: #333;
}

.page-subtitle {
    font-size: 18px;
    color: #666;
    font-style: italic;
}

.content-section {
    margin-top: 50px;
    /*padding: 20px 0;*/
    background: #F2F2F2;
}

/* ========================================
   关于我们页面样式
   ======================================== */
.about-content {
    padding: 30px 0 50px;
}

.about-content p {
    font-size: 18px;
    line-height: 2;
    color: #333;
    margin-bottom: 15px;
    /*text-indent: 2em;*/
}

.about-content p:first-child {
    text-indent: 0;
    font-weight: bold;
}

/* 为什么选择光音塾 */
.why-choose-section {
    background: #F5F5F5;
    margin-top: 50px;
    padding:30px 0 50px 0;

}

.why-choose-title {
    font-size: 38px;
    font-weight: bold;
    text-align: center;
    margin-bottom: 40px;
    color: #333;
}

.stats-grid {
    display: flex;
    flex-direction: column;
    width: 40%;
    margin: 0 auto;
    position: relative;
}

/* 中间黄色竖线 */
.stats-grid::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 20px;
    bottom: 20px;
    width: 2px;
    background-color: rgb(244, 224, 42);
    transform: translateX(-50%);
}

.stats-row {
    display: flex;
    justify-content: center;
    align-items: center;
}

.stats-item {
    width: 260px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 0;
}

/* 左侧数据：内容靠右排列，距离黄线40px */
.stats-item:first-child {
    align-items: flex-start;
    padding-right: 40px;
}

/* 右侧数据：内容靠左排列，距离黄线40px */
.stats-item:last-child {
    align-items: flex-start;
    padding-left: 40px;
}

.stats-divider {
    display: none;
}

/* ========================================
   课程内容页面样式
   ======================================== */
.course-content-section {
    padding: 50px 0 0;
}

.course-tabs-wrapper {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.course-tabs-area {
    display: flex;
    background: #f2f2f2;
    height: 88px;
}

.course-tab-item {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    cursor: pointer;
    transition: background-color 0.3s ease;
    border-right: 1px solid #e0e0e0;
    background: #f2f2f2;
    position: relative;
}

.course-tab-item:last-child {
    border-right: none;
}

.course-tab-item::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 12px solid transparent;
    border-right: 12px solid transparent;
    border-top: 12px solid rgb(244, 224, 42);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.course-tab-item:hover::after,
.course-tab-item.active::after {
    opacity: 1;
}

.course-tab-item:hover,
.course-tab-item.active {
    background-color: rgb(244, 224, 42);
}

.course-tab-name {
    font-size: 28px;
    /*font-weight: bold;*/
    color: #333;
    text-align: center;
}

.course-tab-item:hover{
    font-weight: bold;
}
.course-image-area {
    position: relative;
    width: 100%;
    min-height: 900px;
    overflow: visible;
    margin-top: 88px;
}

.course-image-area::before {
    content: '';
    position: absolute;
    left: calc(-50vw + 50%);
    bottom: 100px;
    width: calc(50vw - 50% + 60%);
    height: 250px;
    background-color: rgb(244, 224, 42);
    z-index: -1;
}

.course-image-area .course-content-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: auto;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.course-image-area .course-content-img.active {
    opacity: 1;
}

/* 发展里程表格样式 */
.milestone-table-wrapper {
    margin-top: 50px;
    padding-bottom: 50px;
}

.milestone-table {
    width: 100%;
    max-width: 1350px;
    height: 500px;
    border-collapse: collapse;
    table-layout: fixed;
}

.milestone-table td {
    text-align: end;
    /*border: 1px solid #333;*/
    padding: 20px;
    vertical-align: top;
}

.milestone-row-top {
    height: 20%;
}

.milestone-row-bottom {
    height: 80%;
}

.milestone-col-left {
    width: 20%;
    position: relative;
}

.milestone-col-left img {
    width: 60px;
    /* font-size: 16px; */
    position: absolute;
    right: -8%;
    top: 13%;
    transform: translate(50%, -50%);
    z-index: 10;
}

.milestone-col-right {
    border-left: 2px solid #767575;
    width: 80%;
}

.milestone-col-right-div {
    background-color: #f5f5f5;
    padding: 40px;
    position: relative;
}

/*.milestone-col-right-div::after {*/
/*    content: '';*/
/*    position: absolute;*/
/*    top: 0;*/
/*    left: 100%;*/
/*    width: 100vw;*/
/*    height: 100%;*/
/*    background-color: #f5f5f5;*/
/*}*/

.milestone-col-right-info{
    display: flex;
    margin-top: 20px;
}


.milestone-col-right-info-text{
    text-align: justify;
    padding: 0 20px;
    font-size: 18px;
    letter-spacing: 2px;
}
.stats-number {
    font-size: 76px;
    font-weight: bold;
    /*color: #333;*/
    line-height: 1.2;
    position: relative;
    display: inline-flex;
    align-items: flex-end;
}

.stats-unit {
    font-size: 24px;
    font-weight: normal;
    vertical-align: bottom;
    margin-left: 2px;
    margin-bottom: 8px;
}

.stats-label {
    width: 200px;
    font-size: 26px;
    /*color: #666;*/
    margin-top: 10px;
}

.stats-divider {
    width: 2px;
    height: 80px;
    background-color: rgb(244, 224, 42);
}

.about-intro,
.about-vision,
.about-history {
    margin-bottom: 60px;
    margin-top: 50px;
}

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

.vision-item {
    background: #f9f9f9;
    padding: 30px 20px;
    border-radius: 8px;
    text-align: center;
    transition: transform 0.3s;
}

.vision-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.vision-item h3 {
    color: #FFD700;
    margin-bottom: 15px;
    font-size: 20px;
}

.timeline {
    position: relative;
    padding: 40px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: #FFD700;
    transform: translateX(-50%);
}

.timeline-item {
    display: flex;
    margin-bottom: 50px;
    position: relative;
}

.timeline-item:nth-child(odd) {
    flex-direction: row;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-year {
    flex: 1;
    text-align: center;
    font-size: 32px;
    font-weight: bold;
    color: #FFD700;
    padding: 20px;
}

.timeline-content {
    flex: 1;
    background: #f9f9f9;
    padding: 20px 30px;
    border-radius: 8px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

.timeline-content h3 {
    margin-bottom: 10px;
    color: #333;
}

/* ========================================
   课程详情页面样式
   ======================================== */
.course-detail-item {
    display: flex;
    gap: 30px;
    margin-bottom: 40px;
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

.course-detail-item .course-image {
    flex: 0 0 300px;
    height: 250px;
}

.course-features {
    list-style: none;
    margin: 20px 0;
}

.course-features li {
    padding: 8px 0;
    padding-left: 25px;
    position: relative;
}

.course-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #FFD700;
    font-weight: bold;
}

.course-btn {
    display: inline-block;
    background: #FFD700;
    color: #333;
    padding: 10px 30px;
    border-radius: 5px;
    text-decoration: none;
    margin-top: 15px;
    transition: transform 0.3s;
}

.course-btn:hover {
    transform: translateY(-2px);
}

/* ========================================
   团队页面样式
   ======================================== */
.team-title {
    background-image: url(https://student-data.oss-accelerate.aliyuncs.com/front/team/title-bg.png);
    background-repeat: no-repeat;
    background-position: left;
    background-size: contain;
    display: inline-block;
    padding: 20px 167px 20px 20px;
    margin-top: 40px;
    font-size: 30px;
    font-weight: bold
}

.team-grid-full {
    display: flex;
    flex-direction: column;
    gap: 40px;
    margin-top: 50px;
}

.team-grid-full .faculty-row {
    display: flex;
    gap: 40px;
}

.team-grid-full .faculty-img-item {
    flex: 1;
    overflow: hidden;
    position: relative;
}

.team-member-card {
    display: flex;
    gap: 25px;
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    padding: 20px;
}

.team-member-card .member-image {
    flex: 0 0 180px;
    height: 220px;
}

.member-details {
    flex: 1;
}

.member-title {
    color: #FFD700;
    font-weight: bold;
    margin: 5px 0;
}

.member-bio {
    margin: 15px 0;
    color: #666;
    font-size: 14px;
    line-height: 1.6;
}

.member-education h4 {
    font-size: 14px;
    margin: 15px 0 10px;
    color: #333;
}

.member-education ul {
    list-style: none;
    font-size: 13px;
    color: #666;
}

.member-education li {
    padding: 5px 0;
    padding-left: 20px;
    position: relative;
}

.member-education li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #FFD700;
}

/* ========================================
   大师课内容区域样式
   ======================================== */
.master-class-content {
    display: flex;
    margin-top: 30px;
    gap: 20px;
}

.master-class-left {
    flex: 0 0 10%;
    background: #f5f5f5;
}

.master-class-right {
    flex: 0 0 90%;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.master-row {
    display: flex;
    gap: 30px;
}
.row-3 .master-img-item img{
    width: 100%;
    height: 100%;
    margin-top: 15px;
}

.master-row.row-5 .master-img-item {
    flex: 1;
}

.master-row.row-3 .master-img-item {
    flex: 1;
}
.master-row row-2{
    margin-top: 15px;
}
.master-row.row-3 {
    /*height: 8.8%;*/
    overflow: hidden;
}

.master-row.row-2 .master-img-item {
    flex: 1;
}


.master-row.row-2 .master-img-item {
    min-height: auto;
    height: 100%;
}

.master-img-item {
    overflow: hidden;
    background: #eee;
    min-height: 150px;
}

.master-img-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.master-img-item img.img-contain {
    object-fit: contain;
    object-position: center;
}

/* ========================================
   合作院校页面样式
   ======================================== */
.certificate-section {
    display: flex;
    gap: 40px;
    align-items: center;
    margin: 50px 0;
}

.partners-badge-large {
    background: #FFD700;
    padding: 20px 30px;
    font-weight: bold;
    font-size: 18px;
    border-radius: 8px;
    text-align: center;
}

.partners-list-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin: 50px 0;
}

.partner-card {
    background: #fff;
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.partner-card:hover {
    transform: translateY(-5px);
}

.partner-logo {
    height: 120px;
    margin-bottom: 20px;
}

.placeholder-logo {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #e0e0e0 0%, #f5f5f5 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    color: #999;
}

.partner-location {
    color: #999;
    font-size: 14px;
    margin: 10px 0;
}

.partner-description {
    margin: 15px 0;
    color: #666;
    line-height: 1.6;
}

.partner-features {
    list-style: none;
    margin-top: 15px;
}

.partner-features li {
    padding: 5px 0;
    color: #666;
    font-size: 14px;
}

.cooperation-benefits {
    margin-top: 60px;
}

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

.benefit-item {
    text-align: center;
    padding: 30px 20px;
    background: #f9f9f9;
    border-radius: 8px;
}

.benefit-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.benefit-item h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: #333;
}

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

/* ========================================
   大师研究页面样式
   ======================================== */
.research-categories {
    margin: 40px 0;
}

.category-tabs {
    display: flex;
    gap: 15px;
    justify-content: center;
}

.tab-btn {
    background: #f5f5f5;
    border: none;
    padding: 12px 30px;
    border-radius: 25px;
    cursor: pointer;
    font-size: 16px;
    transition: all 0.3s;
}

.tab-btn.active,
.tab-btn:hover {
    background: #FFD700;
    color: #333;
}

.research-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.research-item {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

.research-image {
    height: 200px;
}

.placeholder-research {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
}

.research-info {
    padding: 25px;
}

.research-tag {
    display: inline-block;
    background: #FFD700;
    color: #333;
    padding: 5px 15px;
    border-radius: 15px;
    font-size: 12px;
    margin-bottom: 10px;
}

.research-date {
    color: #999;
    font-size: 14px;
    margin: 10px 0;
}

.research-description {
    color: #666;
    line-height: 1.6;
    margin: 15px 0;
}

.research-details {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid #eee;
    font-size: 14px;
}

.research-details p {
    margin: 5px 0;
    color: #666;
}

.upcoming-events {
    margin-top: 60px;
}

.events-list {
    margin-top: 30px;
}

.event-item {
    display: flex;
    gap: 30px;
    background: #f9f9f9;
    padding: 25px;
    border-radius: 8px;
    margin-bottom: 20px;
    align-items: center;
}

.event-date {
    flex: 0 0 100px;
    text-align: center;
    background: #FFD700;
    padding: 15px;
    border-radius: 8px;
}

.event-date .month {
    display: block;
    font-size: 14px;
    font-weight: bold;
}

.event-date .day {
    display: block;
    font-size: 32px;
    font-weight: bold;
}

.event-content {
    flex: 1;
}

.event-content h3 {
    margin-bottom: 8px;
    color: #333;
}

.event-content p {
    color: #666;
    font-size: 14px;
}

.event-register {
    display: inline-block;
    background: #333;
    color: white;
    padding: 8px 20px;
    border-radius: 5px;
    text-decoration: none;
    font-size: 14px;
    margin-top: 10px;
    transition: background 0.3s;
}

.event-register:hover {
    background: #FFD700;
    color: #333;
}

/* ========================================
   活动回顾页面样式
   ======================================== */
.activity-categories {
    margin: 40px 0;
}

.category-filter {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.filter-btn {
    background: #f5f5f5;
    border: none;
    padding: 10px 25px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s;
}

.filter-btn.active,
.filter-btn:hover {
    background: #FFD700;
    color: #333;
}

.activities-grid-large {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.activity-card {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.activity-card:hover {
    transform: translateY(-5px);
}

.activity-image {
    height: 220px;
    position: relative;
}

.placeholder-activity-img {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
}

.activity-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: #FFD700;
    color: #333;
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: bold;
}

.activity-content {
    padding: 25px;
}

.activity-card h3 {
    margin-bottom: 15px;
    color: #333;
    font-size: 20px;
}

.activity-description {
    color: #666;
    line-height: 1.6;
    margin-bottom: 20px;
}

.activity-stats {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    font-size: 13px;
    color: #666;
}

.activity-gallery {
    margin-top: 60px;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.gallery-item {
    height: 250px;
    border-radius: 8px;
    overflow: hidden;
}

.placeholder-gallery {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 18px;
}

/* ========================================
   联系我们页面样式
   ======================================== */
.contact-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 50px;
    margin: 50px 0;
}

.contact-form-section h3 {
    margin-bottom: 25px;
    font-size: 24px;
    color: #333;
}

.contact-form {
    background: #f9f9f9;
    padding: 30px;
    border-radius: 8px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
    color: #333;
    font-size: 14px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 14px;
    font-family: inherit;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #FFD700;
}

.submit-btn {
    background: #FFD700;
    color: #333;
    border: none;
    padding: 15px 50px;
    font-size: 16px;
    font-weight: bold;
    border-radius: 5px;
    cursor: pointer;
    transition: transform 0.3s;
}

.submit-btn:hover {
    transform: translateY(-2px);
}

.contact-info-section {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-card {
    background: #f9f9f9;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.contact-card h3 {
    margin-bottom: 15px;
    color: #333;
    font-size: 18px;
}

.contact-card p {
    margin: 10px 0;
    color: #666;
    font-size: 14px;
    line-height: 1.6;
}

.social-contact {
    margin-top: 60px;
}

.social-links-large {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 30px;
}

.social-link-item {
    background: #f9f9f9;
    padding: 30px 20px;
    border-radius: 8px;
    text-align: center;
    text-decoration: none;
    color: inherit;
    transition: transform 0.3s;
}

.social-link-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.social-icon-large {
    font-size: 48px;
    margin-bottom: 15px;
}

.social-link-item h4 {
    margin-bottom: 8px;
    color: #333;
}

.social-link-item p {
    font-size: 14px;
    color: #666;
}

.faq-section {
    margin-top: 60px;
}

.faq-list {
    margin-top: 30px;
}

.faq-item {
    background: #f9f9f9;
    padding: 25px;
    border-radius: 8px;
    margin-bottom: 15px;
}

.faq-item h4 {
    margin-bottom: 10px;
    color: #333;
}

.faq-item p {
    color: #666;
    line-height: 1.6;
}

.map-section {
    margin-top: 60px;
}

.map-placeholder {
    margin-top: 30px;
    height: 400px;
}

.placeholder-map {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #e0e0e0 0%, #f5f5f5 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    color: #999;
    font-size: 20px;
}

/* ========================================
   响应式设计
   ======================================== */

/* 平板设备 */
@media (max-width: 1024px) {
    .container {
        padding: 0 15px;
    }

    .nav {
        gap: 20px;
    }

    .nav a {
        font-size: 13px;
    }

    .hero-title-vertical h1 {
        font-size: 40px;
    }

    .courses-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

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

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


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

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

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

    .social-links-large {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 手机设备 */
@media (max-width: 768px) {
    .header .container {
        flex-wrap: wrap;
    }

    .nav {
        order: 3;
        width: 100%;
        margin-top: 15px;
        flex-wrap: wrap;
        gap: 10px;
        justify-content: center;
    }

    .nav a {
        font-size: 12px;
        padding: 5px 10px;
        background: #f5f5f5;
        border-radius: 3px;
    }

    .hero {
        padding: 40px 0;
    }

    .hero-layout {
        flex-direction: column;
        gap: 20px;
    }

    .hero-info {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .hero-title-vertical h1 {
        font-size: 32px;
        writing-mode: horizontal-tb;
        letter-spacing: 4px;
        text-align: center;
    }

    .english-vertical {
        writing-mode: horizontal-tb;
        font-size: 12px;
        text-align: center;
        margin-top: 10px;
    }

    .hero-icon {
        width: 60px;
        height: 60px;
        font-size: 28px;
    }

    .hero-visual {
        width: 100%;
    }

    .hero-image {
        height: 220px;
    }

    .hero-note {
        align-self: center;
    }

    .hero-actions {
        justify-content: center;
        flex-wrap: wrap;
    }

    .floating-consult {
        display: none;
    }

    .hero-subtitle {
        font-size: 14px;
    }

    .partners,
    .courses,
    .team,
    .activities,
    .cta {
        padding: 50px 0;
    }

    .section-title {
        font-size: 24px;
        width: 100%;
    }

    .partners-image-area {
        flex: none;
        height: 300px;
    }

    .partners-list-area {
        flex: none;
        flex-direction: row;
    }

    .partner-item {
        padding: 15px 10px;
        border-bottom: none;
        border-right: 1px solid #eee;
    }

    .partner-item:last-child {
        border-right: none;
    }

    .partner-name {
        font-size: 14px;
    }

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

    .activities-slider {
        flex-direction: column;
    }

    .slider-btn {
        width: 35px;
        height: 35px;
        font-size: 20px;
    }

    .activity-item {
        min-width: 250px;
    }

    .cta h2 {
        font-size: 22px;
    }

    .cta p {
        font-size: 14px;
    }

    .cta-button {
        padding: 12px 40px;
        font-size: 16px;
    }

    .footer {
        padding: 40px 0 20px;
    }

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }

    .footer-col h3 {
        font-size: 14px;
    }

    .footer-col a {
        font-size: 13px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 30px;
    }

    .locations {
        flex-direction: column;
        gap: 10px;
    }

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

    .page-title {
        font-size: 32px;
    }

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

    .timeline::before {
        left: 30px;
    }

    .timeline-item {
        flex-direction: column !important;
        padding-left: 60px;
    }

    .timeline-year {
        position: absolute;
        left: 0;
        width: 60px;
        padding: 10px;
        font-size: 24px;
    }

    .course-detail-item {
        flex-direction: column;
    }

    .course-detail-item .course-image {
        flex: 1;
        width: 100%;
        height: 200px;
    }


    .team-member-card {
        flex-direction: column;
    }

    .team-member-card .member-image {
        width: 100%;
        height: 250px;
    }

    .certificate-section {
        flex-direction: column;
    }

    .partners-list-grid {
        grid-template-columns: 1fr;
    }

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

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

    .event-item {
        flex-direction: column;
        text-align: center;
    }

    .activities-grid-large {
        grid-template-columns: 1fr;
    }

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

    .form-row {
        grid-template-columns: 1fr;
    }

    .social-links-large {
        grid-template-columns: 1fr;
    }
}

/* 小屏手机 */
@media (max-width: 480px) {
    .logo-box {
        font-size: 12px;
        padding: 6px 10px;
    }

    .header-icon .icon-circle {
        width: 35px;
        height: 35px;
        font-size: 16px;
    }

    .hero-title-vertical h1 {
        font-size: 28px;
    }

    .section-title {
        font-size: 20px;
    }

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

    .activity-item {
        min-width: 200px;
    }
}

.news-tabs {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    margin-top: 30px;
}

.news-tab {
    padding: 15px 90px;
    background-color: #dddddd;
    cursor: pointer;
    border-radius: 20px;
    font-size: 28px;
    font-weight: 500;
    transition: background-color 0.3s;
}

.news-tab.active {
    background-color: rgb(244, 224, 42);
    font-weight: bold;
}

.news-content {
    margin-top: 40px;
    margin-bottom: 100px;
}

.news-panel {
    display: none;
    justify-content: space-between;
    gap: 20px;
}

.news-panel.active {
    display: flex;
    margin-top: 88px;
}

.news-image {
    width: 30%;
    /*overflow: hidden;*/
    border-radius: 8px;
    cursor: pointer;
}

.news-image img {
    cursor: pointer;
    width: 100%;
    /*height: 250px;*/
    /*object-fit: cover;*/
    box-shadow: 0 0 15px 7px rgba(0, 0, 0, 0.18);
}

/* ========================================
   联系我们 - 图片展示区域
   ======================================== */
.contact-images-section {
    background-color:rgb(244,224,42);
    padding: 40px 0 10px 0;
    margin-top: 80px;
}

.contact-images-row {
    display: flex;
    justify-content: center;
    gap: 5%;
}

.contact-image-item {
    text-align: center;
}

.contact-image-item img {
    width: 80%;
    border-radius: 24px;
    border: 2px solid;
    max-width: 100%;
    height: auto;
    margin-bottom: 20px;
}

.contact-image-item1 img {
    border-radius: 24px;
    max-width: 100%;
    height: auto;
    margin-bottom: 20px;
}

.contact-image-item-p1{
    font-size: x-large;
    font-weight: bold;
}

.contact-image-item-p2{
    font-size: larger;
}
.contact-image-title {
    margin: 5px 0;
    font-size: 16px;
}

.contact-image-desc {
    margin: 5px 0;
    font-size: 14px;
    color: #666;
}

/* 加入我们卡片样式 */
.join-us-card {
    /*background-color: rgb(244, 224, 42);*/
    /*border-radius: 12px;*/
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
    padding: 80px;
    margin-top: 60px;
    text-align: center;
    margin-bottom: 100px;
}

.join-us-card .join-text-top {
    letter-spacing: 4px;
    font-size: 44px;
    /* color: #333; */
    margin-bottom: 25px;
    line-height: 1.6;
}

.join-us-card .join-image {
    margin: 25px auto;
}

.join-us-card .join-image img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
}

.join-us-card .join-text-bottom {
    border-radius: 14px;
    padding: 10px;
    width: 35%;
    background: rgb(244,224,42);
    font-size: 24px;
    /* color: #333; */
    margin: 25px auto 0;
    line-height: 1.6;
}

/* 合格实绩样式 */
.partners-record {
    text-align: center;
    margin-top: 50px;
}

.partners-record img {
    max-width: 100%;
}

.partners-record p {
    margin-top: 30px;
    font-size: 22px;
    line-height: 1.8;
}

/* 合格访谈样式 */
.interview-section {
    background-color: #f5f5f5;
    padding: 50px 0 80px;
    margin-top: 50px;
}

.interview-section .section-head {
    margin-bottom: 20px;
}

.interview-grid {
    margin-top: 50px;
}

.interview-row {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 30px;
}

.interview-item {
    flex: 0 0 45%;
    max-width: 45%;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.interview-item:hover {
    transform: translateY(-5px);
}

.interview-item a {
    display: flex;
    align-items: center;
    width: 100%;
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    padding:15px 15px 15px 20px;
    text-decoration: none;
    color: #333;
}

.interview-content {
    width: 80%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.interview-title {
    font-size: 22px;
    font-weight: 500;
    margin-bottom: 10px;
    /*color: #333;*/
    width: 95%;
}

.interview-subtitle {
    font-size: 18px;
    color: #666;
}

.interview-image {
    width: 30%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.interview-image img {
    width: 100%;
    height: auto;
    border-radius: 4px;
    object-fit: cover;
}