/* Used by: jiance/huanjing.html */
* { margin: 0; padding: 0; box-sizing: border-box; }
        body { font-family: 'Microsoft YaHei', Arial, sans-serif; line-height: 1.7; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; background: #f5f7fa; }
        .container { background: #fff; padding: 30px; border-radius: 8px; box-shadow: 0 2px 10px rgba(0,0,0,0.05); }
        header { background: linear-gradient(135deg, #1e5ba8 0%, #0a2240 100%); color: white; padding: 25px; border-radius: 5px; margin-bottom: 30px; }
        h1 { font-size: 24px; margin-bottom: 10px; }
        h2 { color: #1e5ba8; border-left: 4px solid #1e5ba8; padding-left: 10px; margin: 30px 0 15px; }
        h3 { color: #333; margin: 20px 0 10px; }
        .answer-block { background: #f8fafc; padding: 20px; border-left: 4px solid #1e5ba8; margin: 20px 0; }
        table { width: 100%; border-collapse: collapse; margin: 20px 0; }
        th, td { border: 1px solid #ddd; padding: 12px; text-align: left; }
        th { background: #f2f2f2; font-weight: bold; }
        .std-tag { display: inline-block; background: #eef3ff; color: #1e5ba8; border: 1px solid #c8d6f8; padding: 3px 10px; border-radius: 4px; margin: 3px; font-size: 13px; font-family: 'Consolas', monospace; }
        .faq-section { background: #f9f9f9; padding: 20px; border-radius: 5px; margin: 25px 0; }
        .contact-box { background: #f0f8ff; padding: 20px; border-radius: 5px; margin-top: 30px; border-left: 4px solid #1e5ba8; }
        footer { margin-top: 40px; padding-top: 20px; border-top: 1px solid #eee; text-align: center; color: #666; font-size: 13px; }
        a { color: #1e5ba8; text-decoration: none; }
        a:hover { text-decoration: underline; }
        code { background: #f5f5f5; padding: 2px 6px; border-radius: 3px; font-family: 'Courier New', monospace; }
        .credential-badge { display: inline-block; background: #e8f4ff; color: #1e5ba8; padding: 6px 12px; border-radius: 20px; margin: 3px; font-size: 13px; border: 1px solid #b8d4ff; }
        @media (max-width: 768px) {
            .container { padding: 15px; }
            h1 { font-size: 20px; }
        }