body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    color: #333;
}
h1 {
    color: #e83e8c;
    text-align: center;
    margin-bottom: 30px;
}
h2 {
    color: #007bff;
    margin-top: 30px;
    border-bottom: 1px solid #ddd;
    padding-bottom: 10px;
}
.emoji {
    font-size: 1.2em;
}
.highlight {
    background-color: #fff3cd;
    padding: 2px 5px;
    border-radius: 3px;
}
.question {
    font-weight: bold;
    margin-top: 20px;
    color: #007bff;
}
.answer {
    margin-bottom: 15px;
}
.command {
    background-color: #f8f9fa;
    padding: 15px;
    border-left: 4px solid #007bff;
    margin-bottom: 20px;
}
/* 修改命令区的段落间距 */
.command p {
    margin: 5px 0;
    line-height: 1.4;
}
.qr-code {
    text-align: center;
    margin: 20px 0;
}
.qr-code img {
    max-width: 200px;
    border: 1px solid #ddd;
}
.links {
    background-color: #e9ecef;
    padding: 15px;
    border-radius: 5px;
    margin-top: 20px;
}
.links a {
    color: #007bff;
    text-decoration: none;
    display: block;
    margin-bottom: 5px;
}
.links a:hover {
    text-decoration: underline;
}

/* 优化后的入口遮罩层样式（去掉背景渐变） */
#verification-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.75);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

#verification-box {
    background-color: white;
    padding: 40px;
    text-align: center;
    border-radius: 16px;
    max-width: 90%;
    width: 450px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.25);
    animation: popIn 0.5s cubic-bezier(0.26, 0.53, 0.74, 1.48);
}

@keyframes popIn {
    0% { opacity: 0; transform: scale(0.8); }
    100% { opacity: 1; transform: scale(1); }
}

.intro-title {
    font-size: 26px;
    font-weight: bold;
    color: #e83e8c;
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
}

.intro-title:after {
    content: "";
    position: absolute;
    bottom: -8px;
    left: 25%;
    width: 50%;
    height: 3px;
    background-color: #e83e8c;
    border-radius: 2px;
}

.intro-text {
    margin-bottom: 20px;
    color: #555;
    font-size: 16px;
    line-height: 1.5;
}

.feature-box {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin: 25px 0;
}

.feature-item {
    background-color: #f3f9ff;
    color: #0056b3;
    padding: 8px 18px;
    border-radius: 25px;
    font-weight: bold;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
    border: 1px solid #e1effe;
}

.feature-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.verify-button {
    background-color: #007bff;
    color: white;
    border: none;
    padding: 15px 40px;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    margin-top: 25px;
    border-radius: 8px;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0,123,255,0.25);
    letter-spacing: 1px;
}

.verify-button:hover {
    background-color: #0056b3;
    transform: translateY(-2px);
    box-shadow: 0 7px 20px rgba(0,123,255,0.3);
}

.verify-button:active {
    transform: translateY(1px);
    box-shadow: 0 3px 10px rgba(0,123,255,0.2);
}

#content {
    display: none;
}