:root {
    --bg-main:#08080c;
    --bg-dark:#0f0f14;
    --bg-card:#14141b;
    --neon:#00ff66;
    --neon-shadow:0 0 8px #00ff66,0 0 16px rgba(0,255,102,0.35);
    --text-white:#f7f7f7;
    --text-gray:#a2a2b8;
}

/* 🔥 修复图标核心代码 */
i {
    font-family: "Font Awesome 6 Free" !important;
    font-weight: 900 !important;
    font-style: normal !important;
    display: inline-block;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"Microsoft Yahei",system-ui;background:var(--bg-main);color:var(--text-white);line-height:1.7}
.container{max-width:1240px;margin:0 auto;padding:0 24px}
.section{padding:90px 0}
.dark-bg{background:var(--bg-dark)}

.mouse-follow{position:fixed;width:180px;height:180px;border-radius:50%;background:radial-gradient(circle,rgba(0,255,102,0.28) 0%,transparent 72%);pointer-events:none;z-index:999;mix-blend-mode:screen;transition:.08s ease-out}

.navbar{position:fixed;top:0;width:100%;z-index:998;background:rgba(8,8,12,0.75);backdrop-filter:blur(12px);padding:16px 0;border-bottom:1px solid rgba(0,255,102,0.08)}
.navbar .container{display:flex;justify-content:space-between;align-items:center}
.logo{font-size:24px;font-weight:700;color:var(--neon);display:flex;align-items:center;gap:8px}
.nav-menu{display:flex;gap:36px;list-style:none}
.nav-menu a{color:var(--text-gray);text-decoration:none;transition:.3s;display:flex;align-items:center;gap:8px}
.nav-menu a:hover{color:var(--neon);text-shadow:var(--neon-shadow)}

.section-head{text-align:center;margin-bottom:55px}
.section-title{font-size:34px;margin-bottom:12px;color:var(--text-white)}
.section-desc{color:var(--text-gray);font-size:16px}

.hero{height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;position:relative;background:linear-gradient(rgba(8,8,12,0.82),rgba(8,8,12,0.9)),url(../images/hero-bg.jpg);background-size:cover;background-attachment:fixed;background-position:center}
.hero-overlay{position:absolute;left:0;top:0;width:100%;height:100%;background:radial-gradient(circle at center,transparent 35%,rgba(0,0,0,0.65))}
.hero-content{position:relative;z-index:2;padding:0 20px}
.hero-subtitle{color:var(--neon);letter-spacing:4px;font-size:15px;margin-bottom:16px}
.name{font-size:48px;margin-bottom:14px}
.neon-text{color:var(--neon);text-shadow:var(--neon-shadow)}
.typewriter{font-size:28px;margin:22px 0;color:#ddd;min-height:36px}
.desc{max-width:620px;margin:0 auto 36px;color:var(--text-gray);font-size:18px}
.hero-btns{display:flex;gap:22px;justify-content:center;flex-wrap:wrap}

.btn{padding:13px 32px;border-radius:6px;text-decoration:none;font-weight:500;transition:.3s;display:inline-block;border:2px solid var(--neon)}
.neon-btn{background:transparent;color:#fff}
.neon-btn:hover{background:var(--neon);color:#000;box-shadow:var(--neon-shadow)}
.blank-btn{border-color:#fff;color:#fff}
.blank-btn:hover{background:#fff;color:#000}

.category-tabs{display:flex;gap:16px;justify-content:center;margin-bottom:42px;flex-wrap:wrap}
.tab-btn{border:1px solid rgba(0,255,102,0.3);background:transparent;color:#ccc;padding:9px 22px;border-radius:30px;cursor:pointer;transition:.3s}
.tab-btn.active,.tab-btn:hover{background:var(--neon);color:#000;border-color:var(--neon)}

.works-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:36px}
.work-card{height:330px;perspective:1200px}
.card-inner{width:100%;height:100%;position:relative;transform-style:preserve-3d;transition:transform .7s cubic-bezier(0.25,0.46,0.45,0.94)}
.work-card:hover .card-inner{transform:rotateY(180deg)}
.card-front,.card-back{width:100%;height:100%;position:absolute;border-radius:12px;overflow:hidden;backface-visibility:hidden}
.card-front img{width:100%;height:100%;object-fit:cover}
.card-back{background:linear-gradient(145deg,#181824,#11111a);transform:rotateY(180deg);padding:30px 24px;display:flex;flex-direction:column;justify-content:center;border:1px solid rgba(0,255,102,0.2)}
.card-back h3{margin-bottom:12px;color:var(--neon)}
.card-back p{color:var(--text-gray);margin-bottom:22px;font-size:15px}
.no-data{grid-column:1/-1;text-align:center;padding:60px;color:var(--text-gray)}

.skills-wrap{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:28px}
.skill-card{background:var(--bg-card);padding:28px;border-radius:12px;border:1px solid rgba(0,255,102,0.1)}
.skill-top{display:flex;align-items:center;gap:12px;margin-bottom:16px;font-size:17px}
.skill-top i{font-size:22px;color:var(--neon)}
.skill-bar{height:9px;background:#20202c;border-radius:99px;overflow:hidden}
.skill-progress{height:100%;width:0;background:var(--neon);border-radius:99px;box-shadow:var(--neon-shadow);transition:1.6s ease}

.timeline-wrap{max-width:820px;margin:0 auto}
.timeline-item{position:relative;padding-left:64px;margin-bottom:46px}
.timeline-icon{width:42px;height:42px;border-radius:50%;background:var(--neon);color:#000;display:flex;align-items:center;justify-content:center;position:absolute;left:0;top:3px;box-shadow:var(--neon-shadow)}
.timeline-item::before{content:"";position:absolute;left:21px;top:42px;width:2px;height:calc(100% + 14px);background:linear-gradient(to bottom,var(--neon),transparent)}
.timeline-box{background:var(--bg-card);padding:26px;border-radius:12px;border:1px solid rgba(0,255,102,0.12)}
.time{color:var(--neon);margin-bottom:8px;font-size:15px}
.timeline-box h3{margin-bottom:10px;font-size:20px}
.timeline-box p{color:var(--text-gray)}

.order-glass{max-width:720px;margin:0 auto;background:rgba(20,20,27,0.65);backdrop-filter:blur(10px);padding:42px 36px;border-radius:14px;border:1px solid rgba(0,255,102,0.15);text-align:center}
.order-glass h3{font-size:26px;margin-bottom:28px;color:var(--neon)}
.service-list{list-style:none;margin-bottom:34px;text-align:left;max-width:540px;margin-left:auto;margin-right:auto}
.service-list li{margin-bottom:16px;font-size:16px;color:var(--text-gray);display:flex;align-items:center}
.service-list i{color:var(--neon);margin-right:10px}

.contact-form{max-width:700px;margin:0 auto}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-bottom:22px}
.form-col input,textarea{width:100%;background:var(--bg-card);border:1px solid rgba(0,255,102,0.15);padding:15px;border-radius:8px;color:#fff;font-size:16px;outline:none;transition:.3s}
textarea{min-height:160px;margin-bottom:26px;resize:none}
input:focus,textarea:focus{border-color:var(--neon);box-shadow:0 0 0 3px rgba(0,255,102,0.12)}
.tip-success{color:var(--neon);text-align:center;margin-bottom:20px;font-size:16px}
.tip-error{color:#ff5555;text-align:center;margin-bottom:20px;font-size:16px}
.contact-form button{border:none;cursor:pointer}

.footer{padding:32px 0;text-align:center;color:var(--text-gray);border-top:1px solid rgba(255,255,255,0.06)}

@media(max-width:768px){
    .nav-menu{display:none}
    .form-row{grid-template-columns:1fr}
    .works-grid{grid-template-columns:1fr}
    .name{font-size:34px}
    .section{padding:60px 0}
}