* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(145deg, #f0f7ff 0%, #e9f0fa 100%);
    width: 100vw;
    height: 100vh;
    overflow: hidden; /* 严格锁定一屏，无滚动条 */
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 主容器占满全屏，内容垂直居中 */
.screen {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 1rem 1.5rem 1rem 1.5rem;
    max-width: 1400px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.3);
}

/* 核心卡片区：灵活分配比例，刚好占满 */
.content-core {
    width: 100%;
    background: rgba(255, 255, 255, 0.96);
    border-radius: 2.5rem;
    box-shadow:
        0 25px 40px -16px rgba(0, 0, 0, 0.2),
        0 1px 3px rgba(0, 0, 0, 0.02);
    padding: 1.2rem 2rem 1.6rem 2rem;
    backdrop-filter: blur(2px);
    display: flex;
    flex-direction: column;
    transition: all 0.2s;
}

/* 二维码区域 —— 放大处理 */
.qr-area {
    display: flex;
    justify-content: center;
    margin-bottom: 0.6rem;
}
.qr-box {
    background: white;
    padding: 0.8rem 1rem;
    border-radius: 2rem;
    box-shadow: 0 15px 28px -12px rgba(0, 0, 0, 0.2);
    display: inline-block;
    text-align: center;
    transition: transform 0.2s;
}
.qr-box:hover {
    transform: scale(1.02);
}
#qrcode {
    display: flex;
    justify-content: center;
    align-items: center;
}
/* 二维码尺寸放大至 148x148 */
#qrcode img,
#qrcode canvas {
    width: 256px !important;
    height: 256px !important;
    border-radius: 1.2rem;
    box-shadow: 0 6px 14px rgba(0, 0, 0, 0.08);
}
.qr-tip {
    font-size: 0.7rem;
    font-weight: 600;
    color: #2c5f8a;
    background: #eef2fa;
    display: inline-block;
    padding: 0.25rem 1rem;
    border-radius: 50px;
    margin-top: 0.5rem;
    letter-spacing: 0.3px;
}

/* 产品主标 */
.product-title {
    text-align: center;
    margin-top: 0.2rem;
    margin-bottom: 0.9rem;
}
.product-name {
    font-size: 2.4rem;
    font-weight: 800;
    background: linear-gradient(135deg, #0a2f44, #1a5a8b, #2c7da0);
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
    letter-spacing: -0.3px;
}
.sub-badge {
    font-size: 0.7rem;
    font-weight: 600;
    background: rgba(44, 125, 160, 0.12);
    border-radius: 40px;
    display: inline-block;
    padding: 0.2rem 1rem;
    color: #1e5a7a;
}

/* 六大痛点网格 — 强制每行3个，共2行（宽屏下不会变成一行） */
.pain-section {
    margin: 0.2rem 0 0.2rem 0;
}
.section-label {
    font-size: 0.95rem;
    font-weight: 700;
    color: #0f3a4f;
    margin-bottom: 0.8rem;
    display: flex;
    align-items: center;
    gap: 8px;
    border-bottom: 2px solid #cbdde9;
    padding-bottom: 0.3rem;
    width: fit-content;
}
/* 关键修改：始终使用3列布局，保证6个卡片自动换行成两行 */
.grid-pain {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.9rem;
}
/* 不同卡片精致配色 (6个卡片差异化风格) */
.pain-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 1.3rem;
    padding: 0.75rem 0.5rem;
    text-align: center;
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.04);
    transition: all 0.25s ease;
    border: 1px solid rgba(0, 0, 0, 0.02);
}
.pain-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 14px 22px -10px rgba(0, 0, 0, 0.12);
}
/* 六种差异化色调 */
.pain-card:nth-child(1) {
    background: linear-gradient(145deg, #fff9ef, #fff3e2);
    border-top: 3px solid #e67e22;
}
.pain-card:nth-child(2) {
    background: linear-gradient(145deg, #feeceb, #ffe2df);
    border-top: 3px solid #e74c3c;
}
.pain-card:nth-child(3) {
    background: linear-gradient(145deg, #eef6ec, #e3f0e2);
    border-top: 3px solid #27ae60;
}
.pain-card:nth-child(4) {
    background: linear-gradient(145deg, #eef2fb, #e6ecf9);
    border-top: 3px solid #3498db;
}
.pain-card:nth-child(5) {
    background: linear-gradient(145deg, #f5edf9, #efe6f5);
    border-top: 3px solid #9b59b6;
}
.pain-card:nth-child(6) {
    background: linear-gradient(145deg, #f2eafc, #e9defa);
    border-top: 3px solid #c44569;
}

.pain-icon {
    font-size: 1.5rem;
    margin-bottom: 0.3rem;
}
.pain-title {
    font-size: 0.75rem;
    font-weight: 800;
    margin-bottom: 0.25rem;
    letter-spacing: -0.2px;
}
.pain-desc {
    font-size: 0.65rem;
    line-height: 1.3;
    color: #2c4c66;
    font-weight: 500;
    padding: 0 0.2rem;
}

/* 底部脚标 */
.footer-note {
    margin-top: 0.9rem;
    text-align: center;
    font-size: 0.6rem;
    color: #6c869c;
    display: flex;
    justify-content: center;
    gap: 1.2rem;
    flex-wrap: wrap;
    border-top: 1px solid rgba(44, 125, 160, 0.2);
    padding-top: 0.7rem;
}

/* 响应式：在较小屏幕上仍然保持3列，但适当缩小间距和内边距，确保不溢出高度 */
@media (max-width: 780px) {
    .grid-pain {
        gap: 0.7rem;
    }
    .content-core {
        padding: 1rem 1.2rem;
    }
    .product-name {
        font-size: 2rem;
    }
}
@media (max-width: 580px) {
    /* 手机屏幕下依然3列可能导致文字折行过多，但保证布局美观；如果过于拥挤可改为2列，为了体验，极窄屏幕下改为2列（自动变成3行），但宽屏下保证3列2行。符合常规设计。 */
    .grid-pain {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.6rem;
    }
    .screen {
        padding: 0.6rem;
    }
    .content-core {
        padding: 0.8rem 1rem;
    }
}
/* 确保极端高度下内容紧凑 */
@media (max-height: 720px) {
    .content-core {
        padding: 0.8rem 1.5rem;
    }
    .pain-card {
        padding: 0.5rem 0.3rem;
    }
    .pain-icon {
        font-size: 1.2rem;
    }
    .product-name {
        font-size: 1.9rem;
    }
    .qr-tip {
        font-size: 0.6rem;
        margin-top: 0.2rem;
    }
    #qrcode img,
    #qrcode canvas {
        width: 130px !important;
        height: 130px !important;
    }
    .footer-note {
        margin-top: 0.5rem;
        padding-top: 0.5rem;
    }
}

/* 彻底隐藏滚动条，一屏完整展示 */
body,
.screen {
    overflow: hidden;
}

/* 稍微加宽模态框，确保表格展示不下钻换行，同时保持手机端自适应 */
.custom-dialog {
    max-width: 600px;
    width: 90%;
}

/* 紧凑型表格样式，占用空间小 */
.compact-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
    text-align: left;
    margin: 10px 0;
}
.compact-table th,
.compact-table td {
    padding: 8px 4px; /* 极小的内边距，占用空间小 */
    border-bottom: 1px solid #f0f0f0;
    text-align: center;
}
.compact-table th {
    font-weight: 500;
    color: rgba(0, 0, 0, 0.9);
    background-color: #fafafa;
}
.compact-table td {
    color: rgba(0, 0, 0, 0.5);
}

/* 操作按钮样式优化 */
.btn-mini {
    display: inline-block;
    padding: 2px 8px;
    font-size: 12px;
    border-radius: 4px;
    text-decoration: none;
    margin: 0 2px;
}
.btn-print {
    background-color: #10aeff;
    color: #ffffff;
}
.btn-ignore {
    background-color: #f2f2f2;
    color: #353535;
}