:root {
    --primary-black: #0a0a0a;
    --text-gray: #666666;
    --border-color: #eaeaea;
    --bg-gradient: radial-gradient(circle at 50% 30%, rgba(139, 92, 246, 0.05) 0%, rgba(255, 255, 255, 0) 70%);
    --purple-btn: linear-gradient(135deg, #9d5bd2 0%, #7c3aed 100%);
    --ink: #0f172a;
    --muted: #64748b;
    --border: #e2e8f0;
    --card: #ffffff;
    --accent: #2563eb;
    --accent-2: #f97316;
    --bg: radial-gradient(circle at 20% 20%, rgba(37, 99, 235, 0.18), transparent 28%), radial-gradient(circle at 80% 0%, rgba(249, 115, 22, 0.16), transparent 30%), linear-gradient(135deg, #f8fafc, #eef2ff 50%, #fef6e4 100%);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

body {
    background-color: #fff;
    background-image: var(--bg-gradient);
    color: var(--primary-black);
    line-height: 1.6;
}

/* 导航栏样式 */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    font-weight: 700;
    font-size: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-links {
    display: flex;
    gap: 30px;
    font-size: 14px;
    color: #333;
}

.nav-links a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 15px;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 6px 12px;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 13px;
    cursor: pointer;
}

/* 主体区域样式 */
main {
    max-width: 1000px;
    margin: 60px auto;
    text-align: center;
    padding: 0 20px;
}

/* Hero 区域 */
.tag-new {
    background-color: #eef2f6;
    color: #4b5563;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 24px;
}

h1 {
    font-size: 48px;
    line-height: 1.2;
    margin-bottom: 24px;
    color: var(--primary-black);
    letter-spacing: -1px;
}

.description {
    color: var(--text-gray);
    font-size: 16px;
    max-width: 700px;
    margin: 0 auto 40px;
    line-height: 1.8;
}

/* 积分提示条 */
.points-banner {
    background-color: #e8e8e8;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 30px;
    color: #333;
}

.cta-group {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 80px;
}

.btn {
    padding: 12px 24px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: transform 0.2s;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn-primary {
    background-color: #0f172a;
    color: white;
}

.btn-purple {
    background: var(--purple-btn);
    color: white;
    box-shadow: 0 4px 15px rgba(124, 58, 237, 0.3);
}

/* 特性卡片网格 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    text-align: left;
}

.card {
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 30px;
    background: white;
    transition: box-shadow 0.3s;
}

.card:hover {
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.icon-box {
    width: 40px;
    height: 40px;
    background-color: #f3f4f6;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: #333;
}

.card h3 {
    font-size: 18px;
    margin-bottom: 12px;
    color: var(--primary-black);
}

.card p {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.7;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    h1 {
        font-size: 32px;
    }

    .nav-links {
        display: none; /* 移动端简化隐藏 */
    }
}

/* 页脚容器样式 */
.site-footer {
    width: 100%;
    /* 保持背景色简洁，例如：浅灰色或白色 */
    background-color: #f8f8f8; 
    padding: 20px 0; /* 上下内边距 */
    text-align: center; /* 居中对齐 */
    font-size: 12px; /* 小字体 */
    line-height: 1.8; /* 行高，让信息不拥挤 */
}

/* 页脚内容区的通用文字样式 */
.site-footer .footer-content,
.site-footer p,
.site-footer a {
    /* 低对比度文字颜色，柔和不突兀 */
    color: #999999; 
    text-decoration: none; /* 移除链接下划线，保持简洁 */
    margin: 0; /* 移除默认外边距 */
    display: inline-block; /* 让元素在一行显示 */
}

/* 链接悬停效果，增加交互感 */
.site-footer a:hover {
    color: #666666; /* 鼠标悬停时略微加深 */
    text-decoration: underline; /* 悬停时显示下划线 */
}

/* 分隔符样式 */
.site-footer .separator {
    margin: 0 10px; /* 左右间距 */
    color: #cccccc; /* 分隔符可以更浅一些 */
}

/* 公安图标样式 */
.gongan-icon {
    width: 14px; /* 图标尺寸 */
    height: 14px;
    vertical-align: middle; /* 垂直居中对齐文字 */
    margin-right: 5px; /* 右侧间距 */
}

/* 针对手机端进行优化（可选）*/
@media (max-width: 768px) {
    .site-footer {
        padding: 15px 10px;
    }
    /* 在小屏幕上，让信息换行显示，避免过长溢出 */
    .site-footer .separator {
        display: none; /* 隐藏分隔符 */
    }
    .site-footer .footer-content p,
    .site-footer .footer-content a {
        display: block; /* 每个信息独占一行 */
    }
}

/* Register Page Specific Styles */
main.register-page {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    align-items: start;
    text-align: left;
    padding-bottom: 80px;
}

.register-page h1 {
    font-size: 40px;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.register-page .description {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 24px;
    max-width: none;
    margin-left: 0;
    margin-right: 0;
}

.register-page .points-banner {
    padding: 8px 14px;
    border-radius: 10px;
    margin-bottom: 20px;
}

.benefits {
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 24px;
    background: #f9f9ff;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.04);
    display: grid;
    gap: 16px;
}

.benefit-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.benefit-item i {
    color: #7c3aed;
    margin-top: 4px;
}

.benefit-item span {
    color: var(--text-gray);
    font-size: 14px;
    line-height: 1.7;
}

.form-card {
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 32px;
    background: white;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.04);
}

.form-card h2 {
    margin-bottom: 8px;
    font-size: 22px;
}

.form-card .sub {
    color: var(--text-gray);
    font-size: 14px;
    margin-bottom: 20px;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 16px;
}

.input-group label {
    font-size: 14px;
    color: #333;
    font-weight: 600;
}

.input-group input {
    padding: 12px 14px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.input-group input:focus {
    border-color: #7c3aed;
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.15);
}

.form-card .btn-primary {
    background: var(--purple-btn);
    box-shadow: 0 4px 15px rgba(124, 58, 237, 0.3);
    border-radius: 12px;
    width: 100%;
    border: none;
    padding: 12px 16px;
}

.extra {
    text-align: center;
    font-size: 13px;
    color: var(--text-gray);
    margin-top: 12px;
}

.cta-link {
    color: #7c3aed;
    font-weight: 600;
    text-decoration: none;
}

@media (max-width: 900px) {
    main.register-page {
        grid-template-columns: 1fr;
    }

    nav {
        padding: 20px;
    }
}

/* Login Page Specific Styles */
body.login-page {
    background: var(--bg);
    color: var(--ink);
    font-family: "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.login-page nav {
    max-width: 1120px;
}

.login-page .logo {
    gap: 10px;
    font-weight: 800;
    letter-spacing: -0.3px;
}

.login-page .nav-links a {
    color: var(--ink);
    font-weight: 600;
}

.pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    background: rgba(37, 99, 235, 0.08);
    border: 1px solid rgba(37, 99, 235, 0.2);
    border-radius: 999px;
    color: var(--accent);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.2px;
}

main.login-page {
    max-width: 1120px;
    margin: 60px auto 80px;
    padding: 0 24px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 36px;
    align-items: center;
    text-align: left;
}

.hero {
    padding: 80px 10px 18px; /* further lower heading for visual balance */
}

.hero h1 {
    font-size: 40px;
    line-height: 1.1;
    letter-spacing: -1px;
    margin: 14px 0 10px;
}

.hero p {
    color: var(--muted);
    font-size: 16px;
    margin-bottom: 18px;
}

.hero-list {
    display: grid;
    gap: 12px;
    margin-top: 10px;
}

.hero-item {
    display: flex;
    gap: 12px;
    align-items: center;
    padding: 12px 16px;
    border-radius: 14px;
    background: var(--card);
    border: 1px solid var(--border);
    box-shadow: 0 8px 16px rgba(15, 23, 42, 0.04);
    font-weight: 700;
    color: var(--ink);
    transition: transform 0.2s, box-shadow 0.2s;
}

.hero-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(15, 23, 42, 0.08);
}

.hero-item i {
    color: var(--accent);
    font-size: 16px;
}

.login-page .form-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 18px 48px rgba(15, 23, 42, 0.08);
}

.login-page .form-card h2 {
    font-size: 22px;
    margin-bottom: 6px;
}

.login-page .form-card .sub {
    color: var(--muted);
    font-size: 14px;
    margin-bottom: 16px;
}

.form-message {
    padding: 10px 14px;
    border-radius: 12px;
    margin-bottom: 16px;
    font-size: 14px;
    font-weight: 600;
    display: none; /* Initially hidden */
}

.form-message[data-type="error"] {
    background-color: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.form-message[data-type="success"] {
    background-color: #f0fdf4;
    color: #166534;
    border: 1px solid #bbf7d0;
}

.form-message[data-type="info"] {
    background-color: #eff6ff;
    color: #1d4ed8;
    border: 1px solid #bfdbfe;
}

.login-page .input-group label {
    font-weight: 700;
    font-size: 14px;
    color: var(--ink);
}

.login-page .input-group input {
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: 12px;
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s, transform 0.1s;
    background: #f8fafc;
}

.login-page .input-group input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.18);
    background: #fff;
    transform: translateY(-1px);
}

.actions-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 16px;
    font-size: 13px;
}

.actions-row label {
    display: inline-flex;
    gap: 6px;
    align-items: center;
    font-weight: 600;
    color: var(--muted);
}

.actions-row a {
    color: var(--accent);
    text-decoration: none;
    font-weight: 800;
}

.login-page .form-card .btn {
    width: 100%;
    background: var(--accent);
    color: white;
    border: none;
    font-size: 15px;
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.25);
    border-radius: 12px;
    justify-content: center;
}