* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, "Microsoft YaHei", sans-serif;
    background: #f5f7fb;
    color: #1f2937;
}

.page {
    min-height: 100vh;
}

.header {
    background: linear-gradient(135deg, #1677ff, #7c3aed);
    color: white;
    padding: 36px 8%;
}

.header h1 {
    margin: 0;
    font-size: 34px;
}

.header p {
    margin: 10px 0 0;
    opacity: .9;
}

.container {
    display: grid;
    grid-template-columns: 420px 1fr;
    gap: 24px;
    padding: 24px 8%;
}

.panel {
    background: #fff;
    border-radius: 18px;
    padding: 22px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, .06);
}

.notice {
    background: #fff7ed;
    border: 1px solid #fed7aa;
    color: #9a3412;
    padding: 12px;
    border-radius: 12px;
    margin-bottom: 18px;
    line-height: 1.6;
}

.label {
    display: block;
    font-weight: bold;
    margin: 15px 0 8px;
}

.input,
.textarea {
    width: 100%;
    border: 1px solid #d1d5db;
    border-radius: 12px;
    padding: 12px;
    outline: none;
    font-size: 15px;
    background: #fff;
}

.input:focus,
.textarea:focus {
    border-color: #1677ff;
}

.textarea {
    height: 150px;
    resize: vertical;
    line-height: 1.6;
}

.grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.btn {
    width: 100%;
    margin-top: 20px;
    border: none;
    border-radius: 14px;
    padding: 15px;
    background: linear-gradient(135deg, #1677ff, #7c3aed);
    color: white;
    font-size: 17px;
    cursor: pointer;
    font-weight: bold;
}

.btn:disabled {
    opacity: .6;
    cursor: not-allowed;
}

.preview {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 12px;
}

.preview img {
    width: 82px;
    height: 82px;
    object-fit: cover;
    border-radius: 12px;
    border: 1px solid #e5e7eb;
}

.tips {
    margin-top: 20px;
    font-size: 13px;
    color: #6b7280;
    line-height: 1.6;
}

.right-panel h2 {
    margin-top: 0;
}

.status {
    background: #f3f4f6;
    padding: 14px;
    border-radius: 12px;
    color: #4b5563;
    margin-bottom: 18px;
}

.result {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 18px;
}

.result-card {
    background: #f9fafb;
    border-radius: 14px;
    padding: 12px;
    border: 1px solid #e5e7eb;
}

.result-card img,
.result-card video {
    width: 100%;
    border-radius: 12px;
    display: block;
    background: #000;
}

.result-card a {
    display: block;
    margin-top: 10px;
    text-align: center;
    color: #1677ff;
    text-decoration: none;
}

.task-box {
    background: #eef2ff;
    border: 1px solid #c7d2fe;
    border-radius: 14px;
    padding: 16px;
}

pre {
    white-space: pre-wrap;
    word-break: break-all;
    background: #111827;
    color: #d1d5db;
    padding: 16px;
    border-radius: 12px;
    overflow: auto;
}

@media screen and (max-width: 900px) {
    .container {
        grid-template-columns: 1fr;
        padding: 18px;
    }

    .header {
        padding: 28px 18px;
    }

    .header h1 {
        font-size: 26px;
    }
}