/* 基础重置 */
:root {
    --primary-color: #000000;
    --accent-color: #ff9800; /* 显眼的查询按钮颜色 */
    --bg-color: #f5f5f7;
    --card-bg: #ffffff;
    --text-main: #333333;
    --text-muted: #666666;
    --danger: #ff0000;
}

* {
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    margin: 0;
    padding: 0;
    line-height: 1.5;
}

.container {
    max-width: 500px;
    margin: 0 auto;
    padding: 15px;
}

/* 顶部导航与语言选择 */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0 20px 0;
}

.lang-select {
    padding: 5px 10px;
    border-radius: 8px;
    border: 1px solid #ddd;
    background: #fff;
    font-size: 14px;
}

/* 显眼的查询按钮 */
.query-btn {
    background-color: var(--accent-color);
    color: white !important;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: bold;
    text-decoration: none;
    border: none;
    box-shadow: 0 4px 10px rgba(255, 152, 0, 0.3);
    cursor: pointer;
    transition: transform 0.2s;
}

.query-btn:active {
    transform: scale(0.95);
}

/* 卡片样式 - 修复地址溢出的核心 */
.card {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 15px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
    word-wrap: break-word; /* 强制长文本换行 */
    overflow-wrap: break-word;
    word-break: break-all; /* 防止极长无空格字符串撑破卡片 */
    overflow: hidden;
}

.card h3 {
    margin-top: 0;
    font-size: 18px;
    border-bottom: 1px solid #eee;
    padding-bottom: 10px;
    margin-bottom: 15px;
}

/* 输入框样式 */
.input-item {
    width: 100%;
    padding: 14px;
    margin: 10px 0;
    border: 1px solid #e1e1e1;
    border-radius: 10px;
    font-size: 16px;
    background: #fafafa;
    transition: border 0.3s;
    outline: none;
    display: block; /* 确保占据整行 */
}

.input-item:focus {
    border-color: var(--primary-color);
    background: #fff;
}

textarea.input-item {
    min-height: 80px;
    resize: none;
}

/* 数量加减器样式 */
.qty-box {
    display: flex;
    align-items: center;
    border: 1px solid #ddd;
    border-radius: 10px;
    width: fit-content;
    margin-top: 10px;
    background: #fff;
    overflow: hidden;
}

.qty-btn {
    width: 45px;
    height: 40px;
    border: none;
    background: #f8f8f8;
    cursor: pointer;
    font-size: 20px;
    font-weight: bold;
}

.qty-btn:hover {
    background: #eee;
}

.qty-input {
    width: 70px;
    text-align: center;
    border: none;
    border-left: 1px solid #ddd;
    border-right: 1px solid #ddd;
    font-weight: bold;
    font-size: 16px;
    height: 40px;
    -moz-appearance: textfield;
}

.qty-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
}

/* 按钮样式 */
.btn {
    width: 100%;
    padding: 16px;
    border-radius: 30px;
    border: none;
    font-size: 17px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s;
    text-align: center;
    display: inline-block;
}

.btn-black {
    background: var(--primary-color);
    color: #ffffff;
}

.btn-black:active {
    transform: translateY(2px);
    opacity: 0.9;
}

/* 管理后台表格 */
.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    margin-top: 10px;
}

.admin-table th {
    background: #f8f9fa;
    padding: 12px 8px;
    text-align: left;
    border-bottom: 2px solid #eee;
}

.admin-table td {
    padding: 12px 8px;
    border-bottom: 1px solid #eee;
    vertical-align: top;
}

/* 随机单号大红框显示 */
.order-id-display {
    color: var(--danger);
    font-size: 42px;
    font-weight: 800;
    margin: 15px 0;
    border: 3px dashed var(--danger);
    display: inline-block;
    padding: 5px 25px;
    border-radius: 10px;
}

/* 物流图片展示 */
.track-img {
    max-width: 100%;
    border-radius: 8px;
    margin-top: 10px;
    border: 1px solid #ddd;
}

/* 移动端微调 */
@media (max-width: 400px) {
    .container { padding: 10px; }
    .card { padding: 15px; }
    .order-id-display { font-size: 32px; }
}