/* 全局样式 - 统一的自定义CSS */

/* 页面宽度限制 - 所有页面 */
body {
    max-width: 480px;
    margin: 0 auto;
}

/* 首页背景色 */
body.home-page {
    background-color: #f3f4f6;
}

/* 个人中心背景色 */
body.profile-page {
    background-color: #f3f4f6;
}

/* 登录注册页面背景色 */
body.auth-page {
    background-color: white;
}

.pt-35{padding-top:7.8rem;}

/* 文本截断 */
.line-clamp-1 {
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 1;
}

.line-clamp-2 {
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
}

/* Tab标签样式 */
.tab-button {
    position: relative;
}

.tab-button.active {
    color: #2563eb;
    background-color: white;
    border-bottom: 2px solid #2563eb;
}

/* 轮播图过渡效果 */
.banner-slide {
    transition: opacity 0.5s ease-in-out;
}

/* 内容详情页样式 */
.content-body img {
    max-width: 100%;
    height: auto;
}

.content-body p {
    margin-bottom: 1em;
}

.content-body h1,
.content-body h2,
.content-body h3 {
    font-weight: bold;
    margin-top: 1em;
    margin-bottom: 0.5em;
}

.content-body ul,
.content-body ol {
    margin-left: 1.5em;
    margin-bottom: 1em;
}

.content-body ul {
    list-style-type: disc;
}

.content-body ol {
    list-style-type: decimal;
}

/* 按钮选项样式 - 登记页面 */
.btn-option {
    transition: all 0.2s;
}

.btn-option:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.btn-option.active {
    background-color: #2563eb;
    color: white;
    border-color: #2563eb;
}

/* 学校下拉框样式 */
#schoolDropdown {
    max-height: 300px;
    overflow-y: auto;
}

#schoolDropdown::-webkit-scrollbar {
    width: 8px;
}

#schoolDropdown::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

#schoolDropdown::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 4px;
}

#schoolDropdown::-webkit-scrollbar-thumb:hover {
    background: #555;
}

/* 响应式表格 */
@media (max-width: 768px) {
    .table-responsive {
        overflow-x: auto;
    }
}

/* 自定义选择框样式 - 优化手机端显示 */
select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 1.2em 1.2em;
    padding-right: 2.5rem;
}

/* 小尺寸选择框（省市区） */
select.text-sm {
    background-size: 0.9em 0.9em;
    background-position: right 0.4rem center;
    padding-right: 1.3rem;
}

/* 选择框聚焦状态 */
select:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* 禁用状态 */
select:disabled {
    background-color: #f3f4f6;
    cursor: not-allowed;
    opacity: 0.6;
}

.w-24{width: 7.5em;}