* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background: linear-gradient(135deg, #1a2a6c, #b21f1f, #fdbb2d);
    color: #333;
    min-height: 100vh;
    overflow: hidden;
}

.container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    max-width: 1600px;
    margin: 0 auto;
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.3);
}

header {
    background: rgba(0, 30, 60, 0.85);
    color: white;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo h1 {
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(to right, #ff9966, #ff5e62);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo i {
    font-size: 2rem;
    color: #ff7e5f;
}

.mode-toggle {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50px;
    padding: 8px 20px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.mode-toggle:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-2px);
}

.mode-toggle.developer {
    background: rgba(40, 167, 69, 0.25);
    color: #28a745;
}

.content {
    display: flex;
    flex: 1;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.sidebar {
    width: 420px;
    background: rgba(10, 25, 47, 0.9);
    color: #e6f1ff;
    padding: 20px;
    overflow-y: auto; /* 确保侧边栏可以滚动 */
    display: flex;
    flex-direction: column;
    gap: 20px;
    border-right: 1px solid rgba(100, 255, 218, 0.1);
}

.panel {
    background: rgba(17, 34, 64, 0.7);
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(100, 255, 218, 0.1);
}

.panel h2 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: #64ffda;
    display: flex;
    align-items: center;
    gap: 10px;
}

.search-box {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

input, button {
    padding: 12px 15px;
    border-radius: 8px;
    border: none;
    font-size: 1rem;
}

input {
    flex: 1;
    background: rgba(23, 42, 69, 0.8);
    color: #e6f1ff;
    border: 1px solid rgba(100, 255, 218, 0.2);
}

input::placeholder {
    color: #8892b0;
}

button {
    background: linear-gradient(135deg, #ff9966, #ff5e62);
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

button:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(255, 94, 98, 0.4);
}

#resultList {
    max-height: 200px;
    overflow-y: auto;
    background: rgba(23, 42, 69, 0.8);
    border-radius: 8px;
    border: 1px solid rgba(100, 255, 218, 0.2);
}

.result-item {
    padding: 12px 15px;
    border-bottom: 1px solid rgba(100, 255, 218, 0.1);
    cursor: pointer;
    transition: background 0.2s;
}

.result-item:hover {
    background: rgba(100, 255, 218, 0.1);
}

.result-item h3 {
    font-size: 1.1rem;
    margin-bottom: 5px;
    color: #64ffda;
}

.result-item p {
    font-size: 0.9rem;
    color: #8892b0;
}

.dev-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.dev-form input {
    margin-bottom: 10px; /* 确保输入框之间有间距 */
}

.student-list {
    max-height: 300px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* .student-item {
    background: rgba(23, 42, 69, 0.8);
    padding: 12px 15px;
    border-radius: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid rgba(100, 255, 218, 0.1);
}

.student-info h3 {
    font-size: 1.1rem;
    color: #64ffda;
    margin-bottom: 5px;
}

.student-info p {
    font-size: 0.9rem;
    color: #8892b0;
}

.student-actions {
    display: flex;
    gap: 10px;
}

.student-actions button {
    padding: 6px 10px;
    font-size: 0.9rem;
} */

.btn-delete {
    background: linear-gradient(135deg, #ff416c, #ff4b2b);
}

.map-container {
    flex: 1;
    position: relative;
}

#mapContainer {
    width: 100%;
    height: 100%;
}

.map-overlay {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(10, 25, 47, 0.85);
    padding: 15px;
    border-radius: 12px;
    color: #e6f1ff;
    max-width: 300px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(100, 255, 218, 0.1);
    z-index: 999;
}

.map-overlay h3 {
    color: #64ffda;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.stats {
    display: flex;
    gap: 15px;
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid rgba(100, 255, 218, 0.1);
}

.stat-item {
    text-align: center;
    flex: 1;
}

.stat-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: #ff7e5f;
}

.stat-label {
    font-size: 0.9rem;
    color: #8892b0;
}

.export-section {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

.export-section button {
    flex: 1;
    background: rgba(23, 42, 69, 0.8);
    border: 1px solid rgba(100, 255, 218, 0.2);
}

.export-section button:hover {
    background: rgba(100, 255, 218, 0.1);
    transform: translateY(-3px);
}

/* 1. 固定侧边栏高度 */
.sidebar {
    height: 95vh; /* 占据整个视口高度 */
    overflow-y: auto; /* 启用垂直滚动 */
}

/* 2. 防止内容溢出 */
.content {
    min-height: 0; /* 关键：允许内部元素收缩 */
}

.sidebar::-webkit-scrollbar {
    width: 12px;
}
.sidebar::-webkit-scrollbar-thumb {
    background: #ff7e5f;
}

/* 省份样式 */

.province-item {
    margin-bottom: 20px;
    background: rgba(17, 34, 64, 0.7);
    border-radius: 10px;
    max-height: 600px;
    overflow: auto;
}

.province-header {
    padding: 15px;
    background: rgba(30, 60, 90, 0.8);
    cursor: pointer;
}

.province-title {
    font-size: 1.3rem;
    color: #ff7e5f;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.province-title .student-count {
    font-size: 0.9rem;
    color: #64ffda;
    margin-left: auto;
}

/* 地图标记样式 */
.province-marker {
    background: linear-gradient(135deg, #1a5fb4, #1a73e8);
    color: white;
    padding: 10px 15px;
    border-radius: 20px;
    border: 2px solid white;
    box-shadow: 0 3px 10px rgba(0,0,0,0.2);
    min-width: 120px;
    text-align: center;
}

.province-name {
    font-weight: bold;
    font-size: 1.1em;
    margin-bottom: 5px;
}

.stats {
    display: flex;
    justify-content: space-around;
    font-size: 0.9em;
}

.stats i {
    margin-right: 3px;
}

/* 信息窗口样式 */
.map-infowindow {
    max-width: 500px;
    max-height: 300px;
    overflow-y: auto;
}

.map-infowindow h3 {
    color: #1a5fb4;
    margin: 0 0 10px 0;
    font-size: 1.1em;
    border-bottom: 1px solid #eee;
    padding-bottom: 5px;
}

.school-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

/* 学校列表项样式 */
.school-list li {
    padding: 8px 5px;
    border-bottom: 1px dashed #eee;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
}

.school-list li:hover {
    background: #f5f5f5;
}

.school-list li:after {
    /* content: "▶";zo */
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.8em;
    color: #999;
    transition: transform 0.2s;
}

.school-list li.expanded:after {
    transform: translateY(-50%) rotate(90deg);
}

/* 学生列表样式 */
.student-list {
    padding-left: 25px;
    margin-top: 5px;
    max-height: 2500px;
}

.student-item {
    padding: 5px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px dotted #eee;
    font-size: 0.9em;
    /* overflow: auto; */
}

.btn-locate-small {
    background: none;
    border: none;
    color: #1a73e8;
    cursor: pointer;
    padding: 2px 5px;
}

.btn-locate-small:hover {
    color: #0d5bba;
}

/* 大学样式 */
.universities-container {
    max-height: 600px;
    overflow-y: auto;
    margin: 10px 0;
}

.university-item {
    margin: 15px 0;
}

.university-header {
    padding: 10px 0;
    border-bottom: 1px solid rgba(100, 255, 218, 0.2);
}

.university-title {
    font-size: 1.1rem;
    color: #64ffda;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.university-title .student-count {
    font-size: 0.8rem;
    color: #8892b0;
    margin-left: auto;
}

/* 学生样式 */
.students-container {
    max-height: 600px;
    overflow-y: auto;
    margin-left: 20px;
}

.student-item {
    padding: 8px 0;
    display: flex;
    align-items: center;
    border-bottom: 1px dashed rgba(100, 255, 218, 0.1);
}

.student-name {
    font-size: 1rem;
    color: #e6f1ff;
    flex-grow: 1;
}

.student-actions {
    display: flex;
    gap: 5px;
}

.student-actions button {
    padding: 3px 8px;
    border-radius: 4px;
    border: none;
    background: rgba(23, 42, 69, 0.8);
    color: white;
    cursor: pointer;
    font-size: 0.8rem;
}

.student-actions .btn-locate {
    color: #1a73e8;
}

.student-actions .btn-delete {
    color: #d32f2f;
}

/* 图标大小调整 */
.fa-map-marker-alt, .fa-school {
    width: 20px;
    text-align: center;
}

/* 在 style.css 中添加 */
.province-marker {
    background: linear-gradient(135deg, #1a5fb4, #1a73e8);
    color: white;
    padding: 10px 15px;
    border-radius: 20px;
    border: 2px solid white;
    box-shadow: 0 3px 10px rgba(0,0,0,0.2);
    min-width: 120px;
    text-align: center;
    position: relative;
}

/* 添加小三角形指示器 */
/* .province-marker::after {
    content: "";
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-top: 10px solid #1a5fb4;
} */

/* 毕业寄语样式 */
.student-message {
    font-size: 0.85rem;
    color: #a8b2d1;
    margin: 5px 0;
    padding: 8px;
    background: rgba(23, 42, 69, 0.5);
    border-radius: 6px;
    border-left: 3px solid #64ffda;
    word-break: break-word;
}

.btn-message {
    background: rgba(23, 42, 69, 0.8) !important;
    color: #64ffda !important;
    border: 1px solid rgba(100, 255, 218, 0.3) !important;
}

.btn-message:hover {
    background: rgba(100, 255, 218, 0.1) !important;
    color: #64ffda !important;
}

/* 地图信息窗口中的寄语样式 */
.map-infowindow .student-message {
    font-size: 0.8rem;
    color: #666;
    background: #f5f5f5;
    margin: 3px 0 5px 0;
    padding: 5px;
    border-left: 2px solid #1a73e8;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .student-message {
        font-size: 0.75rem;
        padding: 5px;
    }
}

@media (max-width: 900px) {
    .content {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
        max-height: 40vh;
    }
}