/* ===== 全局 未来科技流体风 ===== */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"Inter","PingFang SC","Microsoft YaHei",sans-serif;
  background:#0a0a1a;color:#e2e8f0;line-height:1.7;
  overflow-x:hidden;position:relative;
}
a{text-decoration:none;color:inherit}
ul{list-style:none}
img{max-width:100%;display:block}

/* 网格背景 */
.grid-bg{
  position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(139,92,246,0.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(139,92,246,0.04) 1px,transparent 1px);
  background-size:50px 50px;
}
.orb{position:fixed;border-radius:50%;filter:blur(100px);z-index:0;pointer-events:none}
.orb-1{width:500px;height:500px;background:rgba(139,92,246,0.15);top:-100px;right:-100px;animation:orbFloat 15s ease-in-out infinite}
.orb-2{width:400px;height:400px;background:rgba(6,182,212,0.1);bottom:20%;left:-100px;animation:orbFloat 18s ease-in-out infinite reverse}
.orb-3{width:350px;height:350px;background:rgba(236,72,153,0.1);top:50%;right:20%;animation:orbFloat 20s ease-in-out infinite 2s}
@keyframes orbFloat{0%,100%{transform:translate(0,0)}50%{transform:translate(40px,-30px)}}

/* ===== 导航栏 ===== */
.navbar{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  padding:14px 0;transition:all .3s;
  background:rgba(10,10,26,0.6);backdrop-filter:blur(20px);
  border-bottom:1px solid rgba(139,92,246,0.15);
}
.navbar.scrolled{background:rgba(10,10,26,0.9);box-shadow:0 4px 30px rgba(139,92,246,0.1)}
.nav-inner{max-width:1200px;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between}
.nav-brand{display:flex;align-items:center;gap:10px}
.nav-logo{width:38px;height:38px;border-radius:10px;box-shadow:0 0 20px rgba(139,92,246,0.4)}
.nav-name{font-size:22px;font-weight:800;background:linear-gradient(135deg,#a78bfa,#22d3ee);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.nav-links{display:flex;gap:4px}
.nav-links a{font-size:14px;color:#94a3b8;padding:8px 16px;border-radius:8px;transition:all .3s;font-weight:500}
.nav-links a:hover{color:#fff;background:rgba(139,92,246,0.15)}
.nav-cta{
  padding:9px 22px;background:linear-gradient(135deg,#8b5cf6,#6366f1);
  color:#fff;border-radius:25px;font-size:14px;font-weight:600;
  box-shadow:0 4px 20px rgba(139,92,246,0.4);transition:all .3s;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 6px 28px rgba(139,92,246,0.5)}
.nav-toggle{display:none;flex-direction:column;gap:4px;background:none;border:none;cursor:pointer;padding:6px}
.nav-toggle span{width:22px;height:2px;background:#a78bfa;border-radius:2px;transition:.3s}

/* ===== Hero首屏 ===== */
.hero{min-height:100vh;display:flex;align-items:center;position:relative;padding:100px 0 60px;z-index:1}
.hero-inner{max-width:1200px;margin:0 auto;padding:0 24px;display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center;width:100%}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;padding:8px 18px;
  background:rgba(139,92,246,0.1);border:1px solid rgba(139,92,246,0.3);
  border-radius:20px;font-size:13px;color:#a78bfa;font-weight:500;margin-bottom:24px;
}
.badge-dot{width:8px;height:8px;border-radius:50%;background:#22d3ee;box-shadow:0 0 10px #22d3ee;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:0.4}}
.hero-title{margin-bottom:20px;line-height:1.15}
.title-line{display:block;font-size:48px;font-weight:800;color:#f1f5f9}
.title-gradient{
  display:block;font-size:48px;font-weight:800;
  background:linear-gradient(135deg,#a78bfa 0%,#22d3ee 50%,#ec4899 100%);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
}
.hero-desc{font-size:16px;color:#94a3b8;margin-bottom:32px;max-width:500px}
.hero-actions{display:flex;gap:14px;margin-bottom:36px;flex-wrap:wrap}
.btn-primary{
  display:inline-flex;align-items:center;gap:8px;padding:14px 32px;
  background:linear-gradient(135deg,#8b5cf6,#6366f1);color:#fff;
  border-radius:30px;font-size:16px;font-weight:600;
  box-shadow:0 5px 25px rgba(139,92,246,0.4);transition:all .3s;
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 8px 35px rgba(139,92,246,0.5)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;padding:14px 32px;
  background:transparent;color:#a78bfa;border:1px solid rgba(139,92,246,0.4);
  border-radius:30px;font-size:16px;font-weight:600;transition:all .3s;
}
.btn-ghost:hover{background:rgba(139,92,246,0.1);border-color:#a78bfa}
.hero-stats{display:flex;gap:36px}
.stat{display:flex;flex-direction:column}
.stat strong{font-size:26px;font-weight:800;background:linear-gradient(135deg,#a78bfa,#22d3ee);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.stat span{font-size:13px;color:#64748b}

/* Hero手机 */
.hero-visual{display:flex;justify-content:center;align-items:center;position:relative;min-height:500px}
.hero-phone{position:relative;animation:phoneFloat 6s ease-in-out infinite}
@keyframes phoneFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-15px)}}
.phone-frame{
  width:260px;height:520px;background:#1a1a2e;border-radius:36px;
  border:3px solid rgba(139,92,246,0.3);overflow:hidden;position:relative;
  box-shadow:0 25px 60px rgba(139,92,246,0.25),0 0 60px rgba(139,92,246,0.15);
}
.phone-notch{position:absolute;top:0;left:50%;transform:translateX(-50%);width:100px;height:24px;background:#0a0a1a;border-radius:0 0 16px 16px;z-index:2}
.phone-screen{width:100%;height:100%;object-fit:cover;object-position:top}
.phone-glow{position:absolute;inset:-20px;border-radius:46px;background:linear-gradient(135deg,rgba(139,92,246,0.3),rgba(34,211,238,0.2));filter:blur(30px);z-index:-1}
.float-card{
  position:absolute;padding:12px 16px;background:rgba(26,26,46,0.9);
  backdrop-filter:blur(10px);border:1px solid rgba(139,92,246,0.25);
  border-radius:14px;box-shadow:0 8px 30px rgba(0,0,0,0.3);
  animation:cardFloat 4s ease-in-out infinite;
}
.card-1{top:60px;left:-20px;display:flex;align-items:center;gap:10px}
.card-2{bottom:80px;right:-10px;display:flex;align-items:center;gap:8px;animation-delay:1s}
@keyframes cardFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
.fc-avatar{width:36px;height:36px;border-radius:50%;background-size:cover;background-position:center;border:2px solid #8b5cf6}
.fc-info{display:flex;flex-direction:column}
.fc-name{font-size:12px;font-weight:600;color:#e2e8f0}
.fc-status{font-size:10px;color:#22d3ee}
.fc-emoji{font-size:18px}
.fc-text{font-size:12px;color:#94a3b8}

.scroll-indicator{position:absolute;bottom:30px;left:50%;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:8px}
.scroll-indicator span{font-size:11px;color:#64748b;letter-spacing:2px}
.scroll-line{width:1px;height:40px;background:linear-gradient(to bottom,#8b5cf6,transparent);animation:scrollLine 2s ease-in-out infinite}
@keyframes scrollLine{0%{transform:scaleY(0);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}51%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* ===== 通用区块 ===== */
section{padding:90px 0;position:relative;z-index:1}
.section-head{text-align:center;margin-bottom:50px;padding:0 24px}
.section-tag{display:inline-block;font-size:12px;letter-spacing:3px;color:#22d3ee;font-weight:600;margin-bottom:12px;text-transform:uppercase}
.section-title{font-size:38px;font-weight:800;color:#f1f5f9;margin-bottom:12px}
.section-desc{font-size:15px;color:#94a3b8}

/* ===== AI能力矩阵 ===== */
.abilities-grid{max-width:1100px;margin:0 auto;padding:0 24px;display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.ability-card{
  padding:32px;background:rgba(26,26,46,0.6);border:1px solid rgba(139,92,246,0.2);
  border-radius:20px;position:relative;overflow:hidden;transition:all .4s;
}
.ability-card::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,#8b5cf6,#22d3ee);opacity:0;transition:opacity .4s}
.ability-card:hover{transform:translateY(-5px);border-color:rgba(139,92,246,0.5);box-shadow:0 15px 40px rgba(139,92,246,0.15)}
.ability-card:hover::before{opacity:1}
.ability-num{position:absolute;top:20px;right:24px;font-size:48px;font-weight:900;color:rgba(139,92,246,0.1);line-height:1}
.ability-icon{font-size:36px;margin-bottom:16px}
.ability-card h3{font-size:20px;font-weight:700;color:#f1f5f9;margin-bottom:10px}
.ability-card p{font-size:14px;color:#94a3b8;line-height:1.7;margin-bottom:16px}
.ability-tags{display:flex;gap:8px;flex-wrap:wrap}
.ability-tags span{font-size:11px;padding:4px 12px;background:rgba(139,92,246,0.15);color:#a78bfa;border-radius:12px;font-weight:500}

/* ===== 角色画廊 ===== */
.gallery-wrap{max-width:1100px;margin:0 auto;padding:0 24px;display:grid;grid-template-columns:2fr 1fr;gap:24px}
.gallery-main{position:relative;border-radius:20px;overflow:hidden;border:1px solid rgba(139,92,246,0.2)}
.gallery-img{width:100%;height:400px;object-fit:cover;transition:transform .5s}
.gallery-main:hover .gallery-img{transform:scale(1.03)}
.gallery-overlay{position:absolute;bottom:0;left:0;right:0;padding:20px;background:linear-gradient(transparent,rgba(10,10,26,0.9))}
.gallery-overlay span{font-size:14px;color:#a78bfa;font-weight:600}
.gallery-thumbs{display:flex;flex-direction:column;gap:12px}
.gthumb{
  display:flex;align-items:center;gap:12px;padding:10px;
  background:rgba(26,26,46,0.6);border:1px solid rgba(139,92,246,0.15);
  border-radius:14px;cursor:pointer;transition:all .3s;
}
.gthumb:hover,.gthumb.active{border-color:#8b5cf6;background:rgba(139,92,246,0.1)}
.gthumb img{width:50px;height:50px;border-radius:10px;object-fit:cover}
.gthumb span{font-size:13px;color:#94a3b8;font-weight:500}
.gthumb.active span{color:#a78bfa}

/* ===== 创建流程 ===== */
.create-steps{max-width:900px;margin:0 auto;padding:0 24px;display:flex;gap:0;align-items:flex-start}
.step{flex:1;display:flex;flex-direction:column;align-items:center;text-align:center;position:relative}
.step-circle{
  width:60px;height:60px;border-radius:50%;
  background:linear-gradient(135deg,#8b5cf6,#6366f1);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 0 30px rgba(139,92,246,0.4);margin-bottom:20px;
}
.step-num{font-size:24px;font-weight:800;color:#fff}
.step-content h3{font-size:18px;font-weight:700;color:#f1f5f9;margin-bottom:8px}
.step-content p{font-size:13px;color:#94a3b8;max-width:200px;margin:0 auto}
.step-line{position:absolute;top:30px;right:-50%;width:100%;height:2px;background:linear-gradient(90deg,#8b5cf6,transparent);z-index:-1}
.step:last-child .step-line{display:none}

/* ===== 模型对比 ===== */
.models-table{max-width:900px;margin:0 auto;padding:0 24px}
.model-row{
  display:grid;grid-template-columns:1.2fr 2fr 1.5fr 0.8fr;
  padding:18px 24px;align-items:center;gap:16px;
  border-bottom:1px solid rgba(139,92,246,0.1);transition:background .3s;
}
.model-row:not(.model-head):hover{background:rgba(139,92,246,0.05)}
.model-head{font-size:12px;color:#64748b;font-weight:600;letter-spacing:1px;text-transform:uppercase;border-bottom:2px solid rgba(139,92,246,0.3)}
.mcol{font-size:14px;color:#cbd5e1}
.m-name strong{color:#a78bfa;font-weight:700;margin-right:6px}
.m-tag{text-align:center}
.m-tag span{display:inline-block;font-size:11px;padding:3px 10px;border-radius:10px;font-weight:600}
.m-tag.hot{background:rgba(236,72,153,0.15);color:#ec4899}
.m-tag.new{background:rgba(34,211,238,0.15);color:#22d3ee}

/* ===== 用户心声 ===== */
.voices-grid{max-width:1100px;margin:0 auto;padding:0 24px;display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.voice-card{
  padding:28px;background:rgba(26,26,46,0.6);border:1px solid rgba(139,92,246,0.15);
  border-radius:20px;position:relative;transition:all .4s;
}
.voice-card:hover{transform:translateY(-5px);border-color:rgba(139,92,246,0.4)}
.voice-quote{position:absolute;top:16px;right:24px;font-size:48px;color:rgba(139,92,246,0.2);font-family:Georgia,serif;line-height:1}
.voice-text{font-size:14px;color:#cbd5e1;line-height:1.8;margin-bottom:20px;font-style:italic}
.voice-user{display:flex;align-items:center;gap:12px}
.voice-avatar{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;color:#fff}
.voice-user strong{display:block;font-size:14px;color:#f1f5f9}
.voice-user span{font-size:12px;color:#64748b}

/* ===== 下载CTA ===== */
.cta{padding:60px 24px}
.cta-card{max-width:700px;margin:0 auto;position:relative;border-radius:28px;overflow:hidden;border:1px solid rgba(139,92,246,0.3)}
.cta-bg{position:absolute;inset:0;background:linear-gradient(135deg,rgba(139,92,246,0.2),rgba(34,211,238,0.1),rgba(236,72,153,0.15))}
.cta-bg::before{content:'';position:absolute;inset:0;background:radial-gradient(circle at 30% 50%,rgba(139,92,246,0.3),transparent 60%)}
.cta-content{position:relative;z-index:1;padding:50px 40px;text-align:center}
.cta-logo{width:64px;height:64px;border-radius:16px;margin:0 auto 20px;box-shadow:0 0 30px rgba(139,92,246,0.5)}
.cta-title{font-size:30px;font-weight:800;color:#f1f5f9;margin-bottom:10px}
.cta-desc{font-size:15px;color:#94a3b8;margin-bottom:28px}
.cta-btn{
  display:inline-flex;align-items:center;gap:8px;padding:16px 44px;
  background:linear-gradient(135deg,#8b5cf6,#6366f1);color:#fff;
  border-radius:35px;font-size:18px;font-weight:600;
  box-shadow:0 6px 30px rgba(139,92,246,0.5);transition:all .3s;
}
.cta-btn:hover{transform:translateY(-3px) scale(1.03);box-shadow:0 10px 40px rgba(139,92,246,0.6)}
.cta-meta{display:flex;gap:24px;justify-content:center;margin-top:24px;font-size:13px;color:#94a3b8;flex-wrap:wrap}
.cta-site{margin-top:14px;font-size:13px;color:#a78bfa;font-weight:600}

/* ===== 页脚 ===== */
.footer{background:rgba(10,10,26,0.8);border-top:1px solid rgba(139,92,246,0.15);padding:50px 0 0;position:relative;z-index:1}
.footer-inner{max-width:1200px;margin:0 auto;padding:0 24px 36px;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:36px}
.footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-logo img{width:34px;height:34px;border-radius:8px}
.footer-logo span{font-size:18px;font-weight:800;background:linear-gradient(135deg,#a78bfa,#22d3ee);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.footer-brand p{font-size:13px;color:#64748b;line-height:1.8;margin-bottom:4px}
.footer-url{color:#a78bfa !important;font-weight:600}
.footer-col h4{font-size:14px;font-weight:700;color:#e2e8f0;margin-bottom:14px}
.footer-col li{margin-bottom:8px}
.footer-col a{font-size:13px;color:#64748b;transition:color .3s}
.footer-col a:hover{color:#a78bfa}
.footer-bottom{border-top:1px solid rgba(139,92,246,0.1);padding:18px 24px;text-align:center}
.footer-bottom p{font-size:12px;color:#475569;line-height:1.8}

/* ===== 响应式 ===== */
@media(max-width:1024px){
  .hero-inner{grid-template-columns:1fr;text-align:center}
  .hero-text{order:2}
  .hero-visual{order:1;min-height:400px}
  .hero-desc,.hero-stats{margin-left:auto;margin-right:auto}
  .hero-actions{justify-content:center}
  .abilities-grid{grid-template-columns:1fr}
  .gallery-wrap{grid-template-columns:1fr}
  .gallery-thumbs{flex-direction:row;overflow-x:auto}
  .gthumb{flex-shrink:0}
  .voices-grid{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr 1fr}
  .nav-links{display:none}
  .model-row{grid-template-columns:1fr 1fr;gap:8px}
  .model-head{display:none}
}
@media(max-width:640px){
  .nav-cta{display:none}
  .nav-toggle{display:flex}
  .nav-links.active{display:flex;position:absolute;top:100%;left:0;right:0;flex-direction:column;background:rgba(10,10,26,0.98);padding:16px 24px;gap:4px;border-bottom:1px solid rgba(139,92,246,0.2)}
  .title-line,.title-gradient{font-size:36px}
  .section-title{font-size:28px}
  .create-steps{flex-direction:column;gap:30px}
  .step-line{display:none}
  .footer-inner{grid-template-columns:1fr}
  .phone-frame{width:220px;height:440px}
  .float-card{display:none}
  .cta-meta{flex-direction:column;gap:6px}
  .hero-stats{gap:20px}
}