/* 利辉科技 - 主样式表 */
:root{--bg-primary:#0a0a0f;--neon-blue:#00d4ff;--neon-green:#00ff88;--gradient-primary:linear-gradient(135deg,#00d4ff,#b829ff,#00ffcc);--text-primary:#fff;--text-secondary:rgba(255,255,255,0.7)}
body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,sans-serif;background:var(--bg-primary);color:var(--text-primary);margin:0;line-height:1.6}
.hero{position:relative;overflow:hidden}
#particles-canvas{position:absolute;inset:0;width:100%;height:100%;z-index:0;pointer-events:none}
.hero-content{position:relative;z-index:1;padding:0 20px}
.hero-badge{display:inline-block;margin-bottom:20px;padding:8px 18px;border-radius:999px;background:rgba(0,212,255,0.12);border:1px solid rgba(0,212,255,0.25);color:var(--neon-blue);font-weight:600}
.hero-subtitle{color:var(--text-secondary);font-size:1.2rem;margin:0 0 30px}
.hero-trust{display:flex;gap:20px;justify-content:center;flex-wrap:wrap;color:var(--text-secondary);font-size:0.95rem;margin-bottom:30px}
.hero-cta{display:flex;gap:15px;justify-content:center;flex-wrap:wrap}
.btn-secondary{background:transparent;border:1px solid rgba(255,255,255,0.25)}
.section-title{font-size:2.5rem;text-align:center;margin-bottom:15px;background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.section-subtitle{text-align:center;color:var(--text-secondary);max-width:780px;margin:0 auto 50px}
.about-grid,.contact-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:40px;align-items:start}
.about-features{margin-top:25px;display:grid;gap:15px}
.about-feature{display:flex;gap:14px;align-items:flex-start;background:rgba(255,255,255,0.03);border:1px solid rgba(255,255,255,0.08);border-radius:16px;padding:16px}
.about-feature-icon{font-size:1.4rem;line-height:1}
.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.stat-card{background:rgba(20,20,35,0.8);border:1px solid rgba(255,255,255,0.1);border-radius:20px;padding:25px;text-align:center}
.stat-number{font-size:2.2rem;font-weight:800;color:var(--neon-blue);margin-bottom:8px}
.stat-label{color:var(--text-secondary);font-size:0.95rem}
.services-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:25px}
.service-card{background:rgba(20,20,35,0.8);border:1px solid rgba(255,255,255,0.1);border-radius:20px;padding:28px;transition:all 0.3s}
.service-card:hover{transform:translateY(-5px);border-color:rgba(0,212,255,0.3)}
.service-card{cursor:pointer;outline:none}
.service-card:focus{border-color:rgba(0,212,255,0.45);box-shadow:0 0 0 3px rgba(0,212,255,0.12)}
.service-icon{font-size:2rem;margin-bottom:12px}
.service-title{margin:0 0 10px;color:var(--neon-blue)}
.service-desc{margin:0 0 15px;color:var(--text-secondary);font-size:0.95rem}
.service-tags{display:flex;flex-wrap:wrap;gap:8px}
.service-tag{display:inline-block;padding:4px 12px;background:rgba(0,212,255,0.1);border:1px solid rgba(0,212,255,0.2);border-radius:20px;font-size:0.8rem;color:var(--neon-blue)}
.service-media{height:160px;border-radius:16px;margin:0 0 16px;background-size:cover;background-position:center;border:1px solid rgba(255,255,255,0.1);display:flex;align-items:center;justify-content:center}
.service-media-icon{width:78px;height:78px;opacity:0.92;filter:drop-shadow(0 10px 30px rgba(0,0,0,0.55))}
.service-modal{position:fixed;inset:0;z-index:2000;display:none}
.service-modal[aria-hidden="false"]{display:block}
.service-modal-backdrop{position:absolute;inset:0;background:rgba(0,0,0,0.65);backdrop-filter:blur(6px)}
.service-modal-dialog{position:relative;max-width:880px;margin:80px auto 40px;background:rgba(20,20,35,0.96);border:1px solid rgba(0,212,255,0.25);border-radius:22px;padding:28px 28px 24px;box-shadow:0 30px 80px rgba(0,0,0,0.6)}
.service-modal-close{position:absolute;top:14px;right:14px;width:40px;height:40px;border-radius:12px;border:1px solid rgba(255,255,255,0.16);background:rgba(255,255,255,0.06);color:#fff;font-size:22px;cursor:pointer}
.service-modal-title{margin:0 0 10px;color:var(--neon-blue);font-size:1.5rem}
.service-modal-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.service-modal-tags .service-tag{margin:0}
.service-modal-body{color:var(--text-secondary);line-height:1.8}
.detail-section{margin-top:14px}
.detail-title{margin:0 0 8px;color:var(--text-primary);font-size:1.05rem}
.detail-list{margin:0;padding-left:18px}
.detail-list li{margin:6px 0}
.service-modal-actions{margin-top:18px;display:flex;justify-content:flex-end}
.no-scroll{overflow:hidden}
.monitor-highlight{margin-top:60px;background:rgba(20,20,35,0.8);border:1px solid rgba(0,212,255,0.2);border-radius:25px;padding:35px}
.monitor-title{margin:0 0 10px;color:var(--neon-blue);text-align:center}
.monitor-subtitle{text-align:center;color:var(--text-secondary);margin:0 0 20px}
.monitor-gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:22px 0 26px}
.monitor-shot{height:120px;border-radius:16px;background-size:cover;background-position:center;border:1px solid rgba(255,255,255,0.1);display:flex;align-items:center;justify-content:center}
.monitor-shot-icon{width:56px;height:56px;opacity:0.92;filter:drop-shadow(0 10px 30px rgba(0,0,0,0.55))}
.compare-table{width:100%;border-collapse:collapse;margin:20px 0}
.highlight-cell{color:var(--neon-green);font-weight:700}
.warning-cell{color:#ffcc66}
.contact-section .contact-form form{margin:0}
.form-group label{display:block;margin-bottom:8px;color:var(--text-secondary)}
.form-error{color:#ff6b6b;margin-bottom:15px;padding:10px;background:rgba(255,0,0,0.1);border-radius:8px}
.form-success{color:var(--neon-green);margin-bottom:15px;padding:10px;background:rgba(0,255,136,0.1);border-radius:8px}
.captcha-question{background:rgba(0,212,255,0.1);border:1px solid rgba(0,212,255,0.3);border-radius:12px;padding:12px 14px;color:var(--neon-blue);font-weight:700;min-width:140px;text-align:center}
.captcha-refresh{background:rgba(255,255,255,0.08);border:1px solid rgba(255,255,255,0.18);color:#fff;border-radius:12px;padding:12px 14px;cursor:pointer}
.contact-methods{display:grid;gap:14px;margin-top:20px}
.contact-method{display:flex;gap:12px;align-items:flex-start;background:rgba(255,255,255,0.03);border:1px solid rgba(255,255,255,0.08);border-radius:16px;padding:16px}
.contact-method-icon{font-size:1.2rem;line-height:1}
.contact-method-title{color:var(--text-secondary);font-size:0.9rem}
.contact-method-value{color:var(--text-primary);font-weight:600}
.wechat-box{margin-top:25px;background:rgba(20,20,35,0.8);border:1px solid rgba(255,255,255,0.1);border-radius:20px;padding:22px;text-align:center}
.wechat-placeholder{height:160px;border-radius:14px;background:rgba(255,255,255,0.05);display:flex;align-items:center;justify-content:center;color:var(--text-secondary)}
.wechat-id{margin-top:12px;color:var(--text-secondary)}
body{overflow-x:hidden}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
nav{position:fixed;top:0;left:0;right:0;z-index:1000;padding:15px 0;background:rgba(10,10,15,0.9);backdrop-filter:blur(20px)}
.nav-container{display:flex;justify-content:space-between;align-items:center;padding:0 20px;max-width:1400px;margin:0 auto}
.logo{font-size:1.5rem;font-weight:700;background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.nav-links{display:flex;gap:30px;list-style:none}
.nav-links a{color:var(--text-secondary);text-decoration:none}
.hero{min-height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;padding-top:80px}
.hero h1{font-size:clamp(2.5rem,6vw,4.5rem);margin-bottom:20px}
.hero h1 span{background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.hero p{color:var(--text-secondary);font-size:1.2rem;margin-bottom:30px}
.btn{background:var(--gradient-primary);color:#fff;padding:15px 35px;border-radius:50px;text-decoration:none;display:inline-block;font-weight:600}
.section{padding:80px 0}
.section h2{font-size:2.5rem;text-align:center;margin-bottom:50px;background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:25px}
.card{background:rgba(20,20,35,0.8);border:1px solid rgba(255,255,255,0.1);border-radius:20px;padding:30px;transition:all 0.3s}
.card:hover{transform:translateY(-5px);border-color:rgba(0,212,255,0.3)}
.card h3{color:var(--neon-blue);margin-bottom:10px}
.card p{color:var(--text-secondary);font-size:0.9rem}
.tag{display:inline-block;padding:4px 12px;background:rgba(0,212,255,0.1);border:1px solid rgba(0,212,255,0.2);border-radius:20px;font-size:0.8rem;color:var(--neon-blue);margin-top:10px;margin-right:5px}
table{width:100%;border-collapse:collapse;margin:20px 0}
th,td{padding:15px;border:1px solid rgba(255,255,255,0.1);text-align:center}
th{background:rgba(0,212,255,0.1);color:var(--neon-blue)}
.good{color:var(--neon-green);font-weight:600}
.bad{color:#ff6b6b}
form{background:rgba(20,20,35,0.8);border:1px solid rgba(0,212,255,0.2);border-radius:25px;padding:40px;max-width:500px;margin:0 auto}
input,select,textarea{width:100%;padding:15px;margin-bottom:15px;background:rgba(255,255,255,0.05);border:1px solid rgba(255,255,255,0.1);border-radius:12px;color:#fff}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--neon-blue)}
select{color-scheme:dark}
select option,select optgroup{color:#111;background:#fff}
.captcha{display:flex;gap:10px;align-items:center;margin-bottom:15px}
.captcha-box{display:flex;gap:10px;align-items:center;flex-wrap:wrap;background:rgba(0,212,255,0.1);border:1px solid rgba(0,212,255,0.3);border-radius:12px;padding:15px;color:var(--neon-blue);font-weight:600}
footer{text-align:center;padding:40px 0;border-top:1px solid rgba(255,255,255,0.1);color:var(--text-secondary)}
.error{color:#ff6b6b;margin-bottom:15px;padding:10px;background:rgba(255,0,0,0.1);border-radius:8px}
.success{color:var(--neon-green);margin-bottom:15px;padding:10px;background:rgba(0,255,136,0.1);border-radius:8px}
@media(max-width:768px){.grid{grid-template-columns:1fr}}
@media(max-width:768px){.monitor-gallery{grid-template-columns:1fr}.monitor-shot{height:160px}}
@media(max-width:768px){.service-modal-dialog{margin:70px 16px 20px;padding:22px;max-height:calc(100vh - 110px);overflow:auto}.service-modal-actions{justify-content:center}}
@media(max-width:768px){.about-grid,.contact-grid{grid-template-columns:1fr}.stats-grid{grid-template-columns:1fr}}
@media(max-width:768px){.hero{padding-top:70px}.hero-content{padding:0 16px}.hero h1{font-size:2.2rem}.hero p{font-size:1.05rem}}
@media(max-width:768px){.monitor-highlight{overflow-x:auto}.compare-table{min-width:680px}}
@media(max-width:576px){.section{padding:60px 0}.service-card{padding:22px}.service-media{height:140px}.monitor-highlight{padding:22px}.captcha-question{min-width:0;width:100%}}