/* 完整样式表 - 建议使用工具压缩（如CSSNano） */
:root{--primary:#4F46E5;--primary-light:#6366F1;--primary-dark:#3B3799;--gray-100:#F9FAFB;--gray-200:#F3F4F6;--gray-300:#E5E7EB;--gray-600:#4B5563;--gray-800:#1F2937;--white:#FFFFFF;--shadow:0 4px 20px rgba(0,0,0,0.05);--shadow-hover:0 8px 25px rgba(0,0,0,0.1);--transition:all 0.3s ease;--backdrop-blur:0px} /* 已设置模糊度为0（除雾效果） */
.bg-loading{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);z-index:99;display:none;flex-direction:column;align-items:center;gap:12px;background-color:var(--white);padding:16px 24px;border-radius:12px;box-shadow:var(--shadow)}
.bg-loading.show{display:flex}
.loader-spinner{width:24px;height:24px;border:3px solid var(--primary-light);border-bottom-color:transparent;border-radius:50%;animation:spinner 1s linear infinite}
.bg-control-panel{position:fixed;bottom:30px;right:30px;z-index:100;display:flex;flex-direction:column;gap:12px}
.bg-control-btn{width:44px;height:44px;border-radius:50%;background-color:var(--white);box-shadow:var(--shadow);display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:1.1rem;cursor:pointer;border:1px solid transparent;transition:var(--transition)}
.bg-control-btn:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--primary-light);background-color:var(--primary);color:var(--white)}
.bg-control-btn.active{background-color:var(--primary);color:var(--white);box-shadow:0 0 0 2px rgba(79,70,229,0.3)}
.avatar{transition:var(--transition);animation:fadeIn 0.8s ease-out forwards;loading:lazy}
.avatar:hover{transform:scale(1.05);box-shadow:var(--shadow-hover)}
.nickname{animation:fadeIn 0.8s ease-out 0.2s forwards;opacity:0}
.signature{animation:fadeIn 0.8s ease-out 0.4s forwards;opacity:0}
.sites-section{width:100%;margin-bottom:50px;animation:fadeIn 0.8s ease-out 0.6s forwards;opacity:0}
.section-title{font-size:1.2rem;font-weight:600;margin-bottom:20px;text-align:center;color:var(--gray-800);position:relative}
.section-title::after{content:'';display:block;width:40px;height:2px;background-color:var(--primary);margin:8px auto 0}
.sites-list{display:flex;flex-wrap:wrap;justify-content:center;gap:16px}
.site-card{padding:12px 24px;background-color:var(--white);border-radius:12px;box-shadow:var(--shadow);transition:var(--transition);cursor:pointer;border:1px solid transparent}
.site-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--primary-light);background-color:var(--gray-50)}
.site-link{text-decoration:none;color:var(--gray-800);font-weight:500;display:flex;align-items:center;gap:8px}
.site-link i{color:var(--primary)}
.contact-section{width:100%;margin-bottom:60px;animation:fadeIn 0.8s ease-out 0.8s forwards;opacity:0}
.contact-list{display:flex;flex-wrap:wrap;justify-content:center;gap:24px}
.contact-item{display:flex;flex-direction:column;align-items:center;gap:8px;transition:var(--transition)}
.contact-icon{width:56px;height:56px;border-radius:50%;background-color:var(--white);display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow);color:var(--primary);font-size:1.5rem;transition:var(--transition)}
.contact-item:hover .contact-icon{transform:translateY(-3px);box-shadow:var(--shadow-hover);background-color:var(--primary);color:var(--white)}
.contact-name{font-size:0.9rem;color:var(--gray-600);font-weight:500}
.footer{width:100%;text-align:center;padding:20px 0;border-top:1px solid rgba(255,255,255,0.3);color:var(--gray-600);font-size:0.875rem;animation:fadeIn 0.8s ease-out 1s forwards;opacity:0;background-color:transparent;backdrop-filter:none;border-radius:0;margin-top:auto}
.footer-links{display:flex;justify-content:center;gap:20px;margin-bottom:12px}
.footer-link{color:var(--gray-600);text-decoration:none;transition:var(--transition)}
.footer-link:hover{color:var(--primary);text-decoration:underline}
.copyright{margin-bottom:8px}
.icp-info{display:flex;align-items:center;justify-content:center;gap:6px}
@keyframes spinner{0%{transform:rotate(0deg)}100%{transform:rotate(360deg)}}
@keyframes fadeIn{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
/* 响应式调整 */
@media (max-width:768px){.avatar{width:140px;height:140px}.sites-list{gap:12px}.site-card{padding:10px 20px}.contact-list{gap:16px}.contact-icon{width:50px;height:50px;font-size:1.3rem}.footer-links{flex-wrap:wrap;gap:12px}.bg-control-panel{bottom:20px;right:20px}.bg-control-btn{width:38px;height:38px;font-size:1rem}}
@media (max-width:480px){.avatar{width:120px;height:120px}.nickname{font-size:1.8rem}.sites-list{gap:10px}.site-card{padding:8px 16px;flex:1 1 calc(50% - 10px);text-align:center}.site-link{justify-content:center}.contact-list{gap:12px}.contact-icon{width:44px;height:44px;font-size:1.2rem}.bg-control-panel{flex-direction:row;bottom:20px;right:50%;transform:translateX(50%);justify-content:center}}
/* 深色模式适配 */
.dark-bg .background-overlay{background-color:rgba(0,0,0,0.4)}.dark-bg .nickname,.dark-bg .section-title,.dark-bg .site-link,.dark-bg .contact-name{color:var(--white)}.dark-bg .signature,.dark-bg .footer,.dark-bg .footer-link,.dark-bg .copyright,.dark-bg .icp-info{color:rgba(255,255,255,0.8)}.dark-bg .site-card,.dark-bg .contact-icon,.dark-bg .bg-control-btn{background-color:rgba(255,255,255,0.15);backdrop-filter:blur(var(--backdrop-blur));border-color:rgba(255,255,255,0.2);color:var(--white)}.dark-bg .footer{border-top:1px solid rgba(255,255,255,0.1)}.dark-bg .site-link i{color:var(--white)}.dark-bg .bg-control-btn.active{background-color:var(--white);color:var(--primary)}