/* TouchMoon 官网 - 史诗宇宙感风格 */
:root{
  --bg:#070b16;
  --bg2:#0e1426;
  --stroke:rgba(124,163,255,.22);
  --text:#eef4ff;
  --muted:#9eb0d4;
  --blue:#77a8ff;
  --purple:#9e7cff;
  --gold:#f1c46b;
  --green:#67d7a2;
  --shadow:0 20px 60px rgba(0,0,0,.38);
  --radius:22px
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:#060a13;color:var(--text);font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Noto Sans SC','Microsoft Yahei',sans-serif;min-height:100%;line-height:1.55}
body{position:relative;min-height:100vh;overflow-x:hidden}
/* 星空背景层 */
body::before{content:'';position:fixed;inset:0;background:radial-gradient(circle at 15% 20%, rgba(85,130,255,.18), transparent 28%),radial-gradient(circle at 80% 15%, rgba(158,124,255,.18), transparent 26%),radial-gradient(circle at 50% 85%, rgba(241,196,107,.08), transparent 28%),linear-gradient(180deg,#060a13,#091020 48%,#060a13);z-index:-2;pointer-events:none}
/* 底部暗角遮罩 */
body::after{content:'';position:fixed;bottom:0;left:0;right:0;height:200px;background:linear-gradient(to top,rgba(6,10,19,.95),transparent);z-index:-1;pointer-events:none}
a{color:inherit;text-decoration:none}

/* 星空背景 */
.stars{position:fixed;inset:0;pointer-events:none;z-index:0}
.star{position:absolute;width:2px;height:2px;background:#fff;border-radius:50%;animation:twinkle 3s infinite}
@keyframes twinkle{0%,100%{opacity:0.3}50%{opacity:1}}

/* 头部导航 */
.header{position:fixed;top:0;left:0;right:0;z-index:100;background:linear-gradient(180deg,rgba(7,12,26,.98),rgba(7,12,26,.92));backdrop-filter:blur(20px);border-bottom:1px solid var(--stroke)}
.header::after{content:'';position:absolute;bottom:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(119,168,255,.3),transparent)}
.header-inner{max-width:1200px;margin:0 auto;padding:16px 24px;display:flex;justify-content:space-between;align-items:center}
.logo{display:flex;gap:12px;align-items:center}
.logo-mark{width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg,rgba(119,168,255,.95),rgba(158,124,255,.95) 55%,rgba(241,196,107,.92));box-shadow:0 8px 20px rgba(119,168,255,.3);display:flex;justify-content:center;align-items:center;font-weight:800;color:#0b1020;font-size:18px;position:relative;overflow:hidden}
.logo-mark.logo7{background:linear-gradient(135deg,#0a1226,#0e1628)}
.logo-mark.logo7 .moon{position:absolute;width:20px;height:20px;background:linear-gradient(135deg,#f8f8f8,#d8d8d8);border-radius:50%;top:50%;left:35%;transform:translateY(-50%);box-shadow:0 0 8px rgba(200,200,255,.5)}
.logo-mark.logo7 .star{position:absolute;font-size:14px;color:var(--blue);animation:twinkle 2s ease-in-out infinite;top:15%;right:20%}
.logo-mark.logo7 .star.s2{font-size:10px;top:55%;right:10%;animation-delay:.5s}
.logo-mark.logo7 .sparkle{position:absolute;width:3px;height:3px;background:var(--purple);border-radius:50%;top:35%;right:25%;animation:twinkle 1.5s ease-in-out infinite .3s}
.logo-mark.logo7 .sparkle.s2{top:65%;right:30%;animation-delay:.8s}
.logo h1{font-size:18px;margin:0;letter-spacing:1px}
.logo p{font-size:11px;color:var(--muted);margin:0}
.nav{display:flex;gap:8px;align-items:center}
.nav a{padding:10px 16px;border-radius:12px;color:var(--muted);transition:.2s;font-size:14px}
.nav a:hover,.nav a.active{background:linear-gradient(180deg,rgba(119,168,255,.12),rgba(158,124,255,.08));color:#fff}
.nav .btn{padding:10px 20px;background:linear-gradient(135deg,rgba(119,168,255,.95),rgba(158,124,255,.96));color:#071022;font-weight:600;border:none}
.nav .btn:hover{box-shadow:0 4px 20px rgba(119,168,255,.4)}
.mobile-menu-btn{display:none;background:none;border:none;color:var(--text);font-size:24px;cursor:pointer}

/* 主内容区 */
main{max-width:1200px;margin:0 auto;padding:100px 24px 60px}

/* 英雄区 */
.hero{position:relative;overflow:hidden;padding:60px 48px;border-radius:30px;background:radial-gradient(circle at 80% 20%, rgba(119,168,255,.18), transparent 20%),radial-gradient(circle at 86% 15%, rgba(255,255,255,.28), transparent 2%),radial-gradient(circle at 20% 0%, rgba(158,124,255,.16), transparent 26%),linear-gradient(135deg,rgba(9,16,32,.96),rgba(15,24,48,.9));border:1px solid rgba(119,168,255,.2);margin-bottom:40px}
.hero::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,transparent 40%,rgba(119,168,255,.03));pointer-events:none}
.hero::after{content:"";position:absolute;right:-90px;top:-30px;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(255,246,208,.95) 0%, rgba(241,196,107,.55) 20%, rgba(119,168,255,.08) 48%, transparent 58%);opacity:.95}
.hero .eyebrow{display:inline-block;padding:7px 14px;border-radius:999px;font-size:12px;letter-spacing:.08em;text-transform:uppercase;background:rgba(119,168,255,.12);border:1px solid rgba(119,168,255,.2);color:#cfe0ff}
.hero h1{font-size:52px;line-height:1.1;margin:16px 0;position:relative;z-index:1;font-weight:800;background:linear-gradient(135deg,#fff 0%,rgba(119,168,255,.9) 50%,rgba(158,124,255,.9) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero p{font-size:18px;max-width:720px;position:relative;z-index:1;color:var(--muted)}
.hero-lite{padding:40px;border-radius:24px;background:linear-gradient(135deg,rgba(119,168,255,.16),rgba(158,124,255,.12));border:1px solid rgba(119,168,255,.16)}

/* 按钮 */
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px;position:relative;z-index:1}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:14px;border:1px solid rgba(119,168,255,.24);background:linear-gradient(180deg,rgba(18,28,51,.82),rgba(12,19,36,.92));color:#eaf0ff;box-shadow:var(--shadow);font-size:15px;cursor:pointer;transition:.3s ease;position:relative;overflow:hidden}
.btn::before{content:'';position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.1),transparent);transition:.5s}
.btn:hover::before{left:100%}
.btn.primary{background:linear-gradient(135deg,rgba(119,168,255,.95),rgba(158,124,255,.96));color:#071022;border:none;font-weight:700;position:relative}
.btn.primary::after{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(255,255,255,.2),transparent);opacity:0;transition:.3s}
.btn.primary:hover::after{opacity:1}
.btn.primary:hover{box-shadow:0 8px 30px rgba(119,168,255,.5),0 0 40px rgba(119,168,255,.2);transform:translateY(-3px)}
.btn.ghost{background:transparent;box-shadow:none;border-color:rgba(119,168,255,.35)}
.btn.ghost:hover{background:rgba(119,168,255,.1);border-color:var(--blue)}
.btn:hover{background:linear-gradient(180deg,rgba(28,38,61,.92),rgba(22,29,46,.92));transform:translateY(-2px)}

/* 网格 */
.grid{display:grid;gap:20px}
.grid.cols-2{grid-template-columns:repeat(2,1fr)}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.grid.cols-4{grid-template-columns:repeat(4,1fr)}
.card{background:linear-gradient(180deg,rgba(17,27,52,.78),rgba(10,16,31,.92));border:1px solid var(--stroke);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);backdrop-filter:blur(10px);transition:all .3s ease;position:relative;overflow:hidden}
.card::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(119,168,255,.3),transparent)}
.card:hover{transform:translateY(-4px);border-color:rgba(119,168,255,.35);box-shadow:0 25px 50px rgba(0,0,0,.4),0 0 30px rgba(119,168,255,.1)}
.card h2,.card h3{margin:0 0 12px}
.card p{margin:0;color:var(--muted);line-height:1.7}

/* KPI */
.kpi{display:flex;flex-direction:column;gap:8px}
.kpi .label{font-size:14px;color:var(--muted)}
.kpi .value{font-size:36px;font-weight:800;background:linear-gradient(135deg,var(--blue),var(--purple));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.kpi .delta{font-size:13px;color:var(--green)}
.metric-band{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:30px 0}

/* 标签 */
.tag{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:999px;font-size:12px;background:rgba(119,168,255,.1);color:#dce8ff;border:1px solid rgba(119,168,255,.16)}
.status{font-size:12px;padding:5px 10px;border-radius:999px;display:inline-block;border:1px solid}
.status.success{color:#b4ffd8;border-color:rgba(103,215,162,.3);background:rgba(103,215,162,.08)}
.status.info{color:#cfe0ff;border-color:rgba(119,168,255,.28);background:rgba(119,168,255,.08)}
.status.warn{color:#ffd8a6;border-color:rgba(241,196,107,.26);background:rgba(241,196,107,.08)}

/* 列表 */
.list{display:flex;flex-direction:column;gap:12px}
.list-item{padding:16px 20px;border-radius:16px;background:rgba(255,255,255,.03);border:1px solid rgba(124,163,255,.11);font-size:15px;transition:all .3s ease;position:relative;overflow:hidden}
.list-item::before{content:'';position:absolute;left:0;top:0;bottom:0;width:3px;background:linear-gradient(180deg,var(--blue),var(--purple));opacity:0;transition:.3s}
.list-item:hover{background:rgba(119,168,255,.06);border-color:rgba(119,168,255,.25);transform:translateX(4px)}
.list-item:hover::before{opacity:1}
.list-item strong{color:var(--blue)}

/* 时间线 */
.timeline{display:flex;flex-direction:column;gap:20px;position:relative;padding-left:30px}
.timeline::before{content:"";position:absolute;left:8px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,var(--blue),var(--purple))}
.timeline-item{position:relative}
.timeline-item::before{content:"";position:absolute;left:-26px;top:6px;width:14px;height:14px;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--purple));box-shadow:0 0 20px rgba(119,168,255,.5)}
.timeline-item h3{font-size:18px;margin:0 0 8px}
.timeline-item p{margin:0;color:var(--muted)}

/* 表单 */
.form{display:grid;gap:16px}
.input,.textarea{width:100%;padding:14px 18px;border-radius:14px;border:1px solid rgba(124,163,255,.18);background:rgba(255,255,255,.03);color:var(--text);font-size:15px;font-family:inherit;transition:all .3s ease}
.input::placeholder,.textarea::placeholder{color:var(--muted)}
.input:focus,.textarea:focus{outline:none;border-color:var(--blue);background:rgba(119,168,255,.08);box-shadow:0 0 20px rgba(119,168,255,.15)}
.textarea{min-height:120px;resize:vertical}
.segmented{display:flex;gap:10px;flex-wrap:wrap}
.segmented .seg{padding:10px 16px;border-radius:999px;border:1px solid rgba(124,163,255,.18);color:var(--muted);cursor:pointer;transition:.2s;font-size:14px}
.segmented .seg.active{background:rgba(119,168,255,.12);color:#fff;border-color:var(--blue)}

/* 表格 */
.table{width:100%;border-collapse:collapse}
.table th,.table td{padding:16px 12px;border-bottom:1px solid rgba(124,163,255,.12);text-align:left}
.table th{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:#8ea2cb}
.table td{font-size:15px}

/* 进度条 */
.progress{height:10px;border-radius:999px;background:rgba(255,255,255,.06);overflow:hidden}
.progress>span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--blue),var(--purple))}
.split{display:grid;grid-template-columns:1.2fr .8fr;gap:24px}

/* 页脚 */
.footer{background:linear-gradient(180deg,rgba(7,12,26,.98),rgba(6,10,19,1));border-top:1px solid var(--stroke);padding:60px 24px;margin-top:80px;position:relative}
.footer::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(119,168,255,.4),transparent)}
.footer-inner{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px}
.footer h4{font-size:14px;margin:0 0 16px;color:var(--blue)}
.footer p,.footer a{color:var(--muted);font-size:14px;line-height:2}
.footer a:hover{color:#fff}
.footer-bottom{max-width:1200px;margin:40px auto 0;padding-top:24px;border-top:1px solid rgba(124,163,255,.12);text-align:center;color:var(--muted);font-size:13px}

/* 动画 */
.fade-in{opacity:0;transform:translateY(20px);animation:fadeIn .6s ease forwards}
@keyframes fadeIn{to{opacity:1;transform:translateY(0)}}.fade-in:nth-child(1){animation-delay:.1s}.fade-in:nth-child(2){animation-delay:.2s}.fade-in:nth-child(3){animation-delay:.3s}.fade-in:nth-child(4){animation-delay:.4s}

/* 响应式 */
@media (max-width:1024px){
  .grid.cols-4,.metric-band{grid-template-columns:repeat(2,1fr)}
  .grid.cols-3{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:768px){
  .header-inner{flex-wrap:wrap}
  .nav{display:none;position:absolute;top:100%;left:0;right:0;background:rgba(7,12,26,.98);flex-direction:column;padding:20px;gap:4px}
  .nav.open{display:flex}
  .mobile-menu-btn{display:block}
  .hero{padding:40px 24px}
  .hero h1{font-size:32px}
  .hero p{font-size:15px}
  .grid.cols-2,.grid.cols-3,.grid.cols-4,.metric-band,.split,.footer-inner{grid-template-columns:1fr}
  main{padding:90px 16px 40px}
}

/* LOGO 展示区 */
.logo-showcase{background:linear-gradient(180deg,rgba(17,27,52,.78),rgba(10,16,31,.92));border:1px solid var(--stroke);border-radius:var(--radius);padding:48px;margin-bottom:40px}
.logo-showcase h2{text-align:center;font-size:28px;margin:0 0 8px;background:linear-gradient(135deg,var(--blue),var(--purple));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.logo-subtitle{text-align:center;color:var(--muted);font-size:14px;margin:0 0 32px}
.logo-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.logo-option{cursor:pointer;background:rgba(255,255,255,.02);border:2px solid transparent;border-radius:16px;padding:20px;transition:.3s;text-align:center}
.logo-option:hover{background:rgba(119,168,255,.08);border-color:var(--blue);transform:translateY(-4px)}
.logo-option.selected{background:rgba(119,168,255,.12);border-color:var(--blue);box-shadow:0 0 30px rgba(119,168,255,.3)}
.logo-preview{width:100px;height:100px;margin:0 auto 12px;display:flex;justify-content:center;align-items:center}
.logo-label{font-size:13px;color:var(--muted)}
.logo-votes{font-size:11px;color:var(--blue);margin-top:4px}
.logo-tip{text-align:center;color:var(--muted);font-size:13px;margin:24px 0 0}

@media (max-width:900px){.logo-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:500px){.logo-grid{grid-template-columns:repeat(2,1fr);gap:12px}.logo-option{padding:12px}.logo-preview{width:70px;height:70px}}

/* LOGO 1: 科技圆环 */
.logo1{position:relative;width:80px;height:80px}
.logo1 .outer-ring{position:absolute;width:80px;height:80px;border:2px solid transparent;border-top-color:var(--blue);border-right-color:var(--purple);border-radius:50%;animation:rotate 4s linear infinite}
.logo1 .middle-ring{position:absolute;width:56px;height:56px;top:12px;left:12px;border:1px solid rgba(119,168,255,.4);border-radius:50%}
.logo1 .moon{position:absolute;width:28px;height:28px;background:linear-gradient(135deg,#e8e8e8,#b8b8b8);border-radius:50%;top:50%;left:50%;transform:translate(-50%,-50%);box-shadow:0 0 12px rgba(200,200,255,.4)}
.logo1 .crater{position:absolute;background:rgba(0,0,0,.12);border-radius:50%}
.logo1 .crater:nth-child(4){width:5px;height:5px;top:30%;left:25%}
.logo1 .crater:nth-child(5){width:4px;height:4px;top:50%;left:60%}
.logo1 .crater:nth-child(6){width:6px;height:6px;top:65%;left:35%}
.logo1 .touch-point{position:absolute;width:6px;height:6px;background:var(--blue);border-radius:50%;box-shadow:0 0 10px var(--blue);animation:pulse 2s ease-in-out infinite}
.logo1 .touch-point:nth-child(7){top:10%;right:10%}

/* LOGO 2: 星轨环绕 */
.logo2{position:relative;width:80px;height:80px}
.logo2 .moon{position:absolute;width:32px;height:32px;background:linear-gradient(135deg,#f5f5f5,#d0d0d0);border-radius:50%;top:50%;left:50%;transform:translate(-50%,-50%);box-shadow:0 0 15px rgba(200,200,255,.3)}
.logo2 .crater{position:absolute;background:rgba(0,0,0,.1);border-radius:50%}
.logo2 .crater:nth-child(2){width:6px;height:6px;top:25%;left:30%}
.logo2 .crater:nth-child(3){width:4px;height:4px;top:45%;left:65%}
.logo2 .crater:nth-child(4){width:8px;height:8px;top:70%;left:35%}
.logo2 .orbit{position:absolute;width:70px;height:70px;top:5px;left:5px;border:1px dashed rgba(119,168,255,.3);border-radius:50%;animation:rotate 12s linear infinite}
.logo2 .star{position:absolute;width:3px;height:3px;background:var(--blue);border-radius:50%;box-shadow:0 0 6px var(--blue)}
.logo2 .star:nth-child(6){top:0;left:50%}

/* LOGO 3: 极简月牙 */
.logo3{position:relative;width:80px;height:80px;display:flex;justify-content:center;align-items:center}
.logo3 .moon{width:45px;height:45px;background:linear-gradient(135deg,#f0f0f0,#c8c8c8);border-radius:50%;position:relative;box-shadow:0 0 18px rgba(200,200,255,.35)}
.logo3 .moon::after{content:'';position:absolute;width:36px;height:36px;background:var(--bg);border-radius:50%;top:5px;left:7px}
.logo3 .glow{position:absolute;width:60px;height:60px;background:radial-gradient(circle,rgba(119,168,255,.1) 0%, transparent 70%);border-radius:50%}

/* LOGO 4: 双环科技 */
.logo4{position:relative;width:80px;height:80px}
.logo4 .ring{position:absolute;width:56px;height:56px;border:2px solid transparent;border-radius:50%;top:50%;left:50%;transform:translate(-50%,-50%)}
.logo4 .ring-1{border-top-color:var(--blue);border-bottom-color:var(--purple);animation:rotate 6s linear infinite}
.logo4 .ring-2{width:40px;height:40px;border-left-color:var(--blue);border-right-color:var(--purple);animation:rotate 4s linear infinite reverse}
.logo4 .center-dot{position:absolute;width:12px;height:12px;background:linear-gradient(135deg,var(--blue),var(--purple));border-radius:50%;top:50%;left:50%;transform:translate(-50%,-50%);box-shadow:0 0 12px var(--blue)}

/* LOGO 5: T + 月亮 */
.logo5{position:relative;width:80px;height:80px;display:flex;justify-content:center;align-items:center}
.logo5 .letter{font-size:50px;font-weight:200;color:var(--text);font-family:Arial,sans-serif;position:relative;z-index:1;letter-spacing:-2px}
.logo5 .moon{position:absolute;width:20px;height:20px;background:linear-gradient(135deg,#f0f0f0,#d0d0d0);border-radius:50%;top:20%;right:15%;box-shadow:0 0 10px rgba(200,200,255,.4)}
.logo5 .orbit{position:absolute;width:35px;height:35px;border:1px solid rgba(119,168,255,.4);border-radius:50%;top:15%;right:8%;animation:rotate 8s linear infinite}

/* LOGO 6: 手指触月 */
.logo6{position:relative;width:80px;height:80px}
.logo6 .finger{position:absolute;width:10px;height:30px;background:linear-gradient(180deg,#e8e8e8,#c0c0c0);border-radius:5px 5px 0 0;bottom:15px;left:50%;transform:translateX(-50%) rotate(-12deg);transform-origin:bottom center}
.logo6 .moon{position:absolute;width:25px;height:25px;background:linear-gradient(135deg,#f5f5f5,#d5d5d5);border-radius:50%;top:25%;left:50%;transform:translateX(-50%);box-shadow:0 0 15px rgba(200,200,255,.5)}
.logo6 .ripple{position:absolute;border:1px solid rgba(119,168,255,.4);border-radius:50%;top:25%;left:50%;transform:translateX(-50%)}
.logo6 .ripple:nth-child(3){width:32px;height:32px;animation:ripple 2s ease-out infinite}
.logo6 .ripple:nth-child(4){width:42px;height:42px;animation:ripple 2s ease-out infinite .5s;opacity:0}

/* LOGO 7: 星月融合 */
.logo7{position:relative;width:80px;height:80px}
.logo7 .moon{position:absolute;width:38px;height:38px;background:linear-gradient(135deg,#f8f8f8,#d8d8d8);border-radius:50%;top:50%;left:30%;transform:translateY(-50%);box-shadow:0 0 18px rgba(200,200,255,.4)}
.logo7 .star{position:absolute;font-size:20px;color:var(--blue);animation:twinkle 2s ease-in-out infinite}
.logo7 .star:nth-child(2){top:10%;right:15%}
.logo7 .star:nth-child(3){top:45%;right:5%;font-size:14px;animation-delay:.5s}
.logo7 .sparkle{position:absolute;width:4px;height:4px;background:var(--purple);border-radius:50%;animation:twinkle 1.5s ease-in-out infinite}
.logo7 .sparkle:nth-child(4){top:30%;right:20%;animation-delay:.3s}
.logo7 .sparkle:nth-child(5){top:55%;right:25%;animation-delay:.8s}

/* LOGO 8: 渐变新月 */
.logo8{position:relative;width:80px;height:80px;display:flex;justify-content:center;align-items:center}
.logo8 .crescent{width:40px;height:40px;background:linear-gradient(135deg,var(--blue),var(--purple));border-radius:50%;position:relative;box-shadow:0 0 20px rgba(119,168,255,.5)}
.logo8 .crescent::after{content:'';position:absolute;width:32px;height:32px;background:var(--bg);border-radius:50%;top:5px;left:7px}
.logo8 .dot{position:absolute;width:4px;height:4px;background:var(--blue);border-radius:50%;box-shadow:0 0 6px var(--blue)}
.logo8 .dot:nth-child(2){top:15%;left:25%}
.logo8 .dot:nth-child(3){top:65%;right:20%}
.logo8 .dot:nth-child(4){top:40%;right:10%;width:3px;height:3px}

@keyframes rotate{from{transform:translate(-50%,-50%) rotate(0deg)}to{transform:translate(-50%,-50%) rotate(360deg)}}
@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.3)}}
@keyframes ripple{0%{transform:translateX(-50%) scale(.8);opacity:1}100%{transform:translateX(-50%) scale(1.5);opacity:0}}

/* AI客服机器人 */
.ai-chat-btn{position:fixed;bottom:30px;right:30px;z-index:1000;cursor:pointer;animation:float 3s ease-in-out infinite}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
.ai-chat-trigger{width:70px;height:70px;border-radius:50%;background:linear-gradient(135deg,rgba(119,168,255,.95),rgba(158,124,255,.96));box-shadow:0 8px 30px rgba(119,168,255,.4),0 0 40px rgba(119,168,255,.2);display:flex;justify-content:center;align-items:center;transition:.3s;position:relative;border:2px solid rgba(255,255,255,.2)}
.ai-chat-trigger:hover{transform:scale(1.12);box-shadow:0 12px 40px rgba(119,168,255,.5),0 0 60px rgba(119,168,255,.3)}
.ai-chat-trigger::before{content:'';position:absolute;inset:-3px;border-radius:50%;background:linear-gradient(135deg,rgba(119,168,255,.4),rgba(158,124,255,.4));z-index:-1;animation:rotate 4s linear infinite}
.ai-chat-trigger .robot-face{position:relative;width:44px;height:44px}
.ai-chat-trigger .robot-body{width:44px;height:44px;background:linear-gradient(135deg,#0a1226,#1a2a4a);border-radius:50%;position:relative;box-shadow:inset 0 -3px 8px rgba(0,0,0,.3),0 0 15px rgba(119,168,255,.2)}
.ai-chat-trigger .robot-eye{position:absolute;width:10px;height:10px;background:#fff;border-radius:50%;top:12px;box-shadow:0 0 10px var(--blue),0 0 20px rgba(119,168,255,.5);animation:robotBlink 3s ease-in-out infinite}
.ai-chat-trigger .robot-eye.left{left:8px}
.ai-chat-trigger .robot-eye.right{right:8px}
.ai-chat-trigger .robot-eye::after{content:'';position:absolute;width:4px;height:4px;background:#0a1226;border-radius:50%;top:3px;left:3px}
.ai-chat-trigger .robot-mouth{position:absolute;width:18px;height:8px;border:2px solid var(--blue);border-top:none;border-radius:0 0 12px 12px;bottom:8px;left:50%;transform:translateX(-50%);opacity:.8;box-shadow:0 0 8px rgba(119,168,255,.4)}
.ai-chat-trigger .robot-antenna{position:absolute;width:4px;height:12px;background:linear-gradient(to top,var(--purple),var(--blue));top:-10px;left:50%;transform:translateX(-50%);border-radius:3px}
.ai-chat-trigger .robot-antenna::after{content:'';position:absolute;width:8px;height:8px;background:var(--blue);border-radius:50%;top:-6px;left:50%;transform:translateX(-50%);animation:pulse 1.5s ease-in-out infinite;box-shadow:0 0 15px var(--blue)}
.ai-chat-trigger .robot-star{position:absolute;font-size:10px;color:#fff;animation:twinkle 2s ease-in-out infinite}
.ai-chat-trigger .robot-star.s1{top:3px;right:0;text-shadow:0 0 10px var(--blue)}
.ai-chat-trigger .robot-star.s2{top:28px;left:-6px;font-size:7px;animation-delay:.5s}
.ai-chat-trigger .notification{position:absolute;top:-4px;right:-4px;width:22px;height:22px;background:linear-gradient(135deg,#ff6b6b,#ff8e8e);border-radius:50%;font-size:11px;color:#fff;display:flex;justify-content:center;align-items:center;font-weight:700;box-shadow:0 2px 10px rgba(255,107,107,.5);animation:pulse 2s ease-in-out infinite}
.ai-chat-trigger .notification.hidden{display:none}

/* 聊天窗口 */
.ai-chat-window{position:fixed;bottom:110px;right:30px;width:380px;height:520px;background:linear-gradient(180deg,rgba(17,27,52,.98),rgba(10,16,31,.99));border:1px solid rgba(119,168,255,.3);border-radius:24px;box-shadow:0 20px 60px rgba(0,0,0,.5),0 0 40px rgba(119,168,255,.1),inset 0 1px 0 rgba(255,255,255,.1);display:none;flex-direction:column;overflow:hidden;z-index:1000;backdrop-filter:blur(10px)}
.ai-chat-window::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(119,168,255,.5),transparent)}
.ai-chat-window.open{display:flex;animation:slideUp .3s ease-out}
@keyframes slideUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
.ai-chat-header{background:linear-gradient(135deg,rgba(119,168,255,.15),rgba(158,124,255,.1));padding:16px 20px;display:flex;align-items:center;gap:12px;border-bottom:1px solid rgba(119,168,255,.15);position:relative}
.ai-chat-header::after{content:'';position:absolute;bottom:0;left:20px;right:20px;height:1px;background:linear-gradient(90deg,transparent,rgba(119,168,255,.3),transparent)}
.ai-chat-header .header-avatar{width:44px;height:44px;background:linear-gradient(135deg,rgba(119,168,255,.9),rgba(158,124,255,.9));border-radius:50%;display:flex;justify-content:center;align-items:center;position:relative;box-shadow:0 0 20px rgba(119,168,255,.4)}
.ai-chat-header .header-avatar::after{content:'';position:absolute;bottom:0;right:0;width:12px;height:12px;background:#67d7a2;border-radius:50%;border:2px solid rgba(17,27,52,.98)}
.ai-chat-header .header-avatar .mini-robot{position:relative;width:30px;height:30px}
.ai-chat-header .mini-robot .body{width:30px;height:30px;background:linear-gradient(135deg,#0a1226,#1a2a4a);border-radius:50%;box-shadow:inset 0 -2px 5px rgba(0,0,0,.3)}
.ai-chat-header .mini-robot .eye{position:absolute;width:7px;height:7px;background:#fff;border-radius:50%;top:9px;box-shadow:0 0 6px var(--blue)}
.ai-chat-header .mini-robot .eye.l{left:5px}
.ai-chat-header .mini-robot .eye.r{right:5px}
.ai-chat-header .mini-robot .antenna{position:absolute;width:3px;height:8px;background:var(--purple);top:-6px;left:50%;transform:translateX(-50%);border-radius:2px}
.ai-chat-header .mini-robot .antenna::after{content:'';position:absolute;width:5px;height:5px;background:var(--blue);border-radius:50%;top:-4px;left:50%;transform:translateX(-50%)}
.ai-chat-header .header-info{flex:1}
.ai-chat-header .header-info h3{margin:0;font-size:16px;color:#fff;font-weight:600}
.ai-chat-header .header-info p{margin:2px 0 0;font-size:11px;color:#67d7a2}
.ai-chat-header .close-btn{background:none;border:none;color:var(--muted);font-size:22px;cursor:pointer;padding:4px;transition:.2s;border-radius:50%;width:32px;height:32px;display:flex;align-items:center;justify-content:center}
.ai-chat-header .close-btn:hover{background:rgba(255,107,107,.2);color:#ff6b6b}

/* 消息区域 */
.ai-chat-messages{flex:1;padding:16px;overflow-y:auto;display:flex;flex-direction:column;gap:16px;background:linear-gradient(180deg,transparent,rgba(119,168,255,.02))}
.ai-chat-messages::-webkit-scrollbar{width:6px}
.ai-chat-messages::-webkit-scrollbar-track{background:rgba(255,255,255,.02)}
.ai-chat-messages::-webkit-scrollbar-thumb{background:rgba(119,168,255,.2);border-radius:3px}
.ai-chat-messages .message{display:flex;gap:10px;max-width:85%;animation:fadeInMsg .3s ease-out}
@keyframes fadeInMsg{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
.ai-chat-messages .message.user{flex-direction:row-reverse;max-width:90%}
.ai-chat-messages .message-avatar{width:36px;height:36px;border-radius:50%;flex-shrink:0;display:flex;justify-content:center;align-items:center;font-size:16px;box-shadow:0 2px 10px rgba(0,0,0,.2)}
.ai-chat-messages .message.bot .message-avatar{background:linear-gradient(135deg,rgba(119,168,255,.7),rgba(158,124,255,.7))}
.ai-chat-messages .message.user .message-avatar{background:linear-gradient(135deg,rgba(103,215,162,.7),rgba(119,168,255,.7))}
.ai-chat-messages .message-content{padding:12px 16px;border-radius:18px;font-size:14px;line-height:1.5;position:relative}
.ai-chat-messages .message.bot .message-content{background:rgba(119,168,255,.12);border:1px solid rgba(119,168,255,.2);color:var(--text);border-top-left-radius:4px;box-shadow:0 2px 15px rgba(0,0,0,.1)}
.ai-chat-messages .message.user .message-content{background:linear-gradient(135deg,rgba(119,168,255,.35),rgba(158,124,255,.3));color:#fff;border-top-right-radius:4px;box-shadow:0 2px 15px rgba(119,168,255,.2)}
.ai-chat-messages .message-content .quick-replies{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;padding-top:10px;border-top:1px solid rgba(119,168,255,.1)}
.ai-chat-messages .message-content .quick-btn{padding:8px 14px;background:rgba(119,168,255,.15);border:1px solid rgba(119,168,255,.3);border-radius:20px;font-size:12px;color:var(--blue);cursor:pointer;transition:.3s ease}
.ai-chat-messages .message-content .quick-btn:hover{background:rgba(119,168,255,.35);border-color:var(--blue);transform:scale(1.05);box-shadow:0 4px 15px rgba(119,168,255,.3)}

/* 输入区域 */
.ai-chat-input{padding:16px;border-top:1px solid rgba(119,168,255,.15);display:flex;gap:10px;background:rgba(0,0,0,.2)}
.ai-chat-input input{flex:1;padding:14px 18px;background:rgba(255,255,255,.05);border:1px solid rgba(119,168,255,.2);border-radius:25px;color:var(--text);font-size:14px;transition:.3s ease}
.ai-chat-input input::placeholder{color:var(--muted)}
.ai-chat-input input:focus{outline:none;border-color:var(--blue);background:rgba(119,168,255,.12);box-shadow:0 0 20px rgba(119,168,255,.2)}
.ai-chat-input button{padding:14px 24px;background:linear-gradient(135deg,rgba(119,168,255,.95),rgba(158,124,255,.95));border:none;border-radius:25px;color:#071022;font-weight:600;cursor:pointer;transition:.3s ease;font-size:14px;box-shadow:0 4px 15px rgba(119,168,255,.3)}
.ai-chat-input button:hover{box-shadow:0 6px 25px rgba(119,168,255,.6),0 0 30px rgba(119,168,255,.2);transform:scale(1.02)}
.ai-chat-input button:active{transform:scale(0.98)}

/* 打字动画 */
.ai-chat-typing{display:flex;gap:4px;padding:12px 16px;background:rgba(119,168,255,.1);border-radius:18px;border-top-left-radius:4px;width:fit-content}
.ai-chat-typing span{width:8px;height:8px;background:var(--blue);border-radius:50%;animation:typingBounce 1.4s ease-in-out infinite;box-shadow:0 0 8px var(--blue)}
.ai-chat-typing span:nth-child(2){animation-delay:.2s}
.ai-chat-typing span:nth-child(3){animation-delay:.4s}

@keyframes robotBlink{0%,45%,55%,100%{transform:scaleY(1)}50%{transform:scaleY(0.1)}}
@keyframes typingBounce{0%,80%,100%{transform:translateY(0)}40%{transform:translateY(-6px)}}

/* 移动端适配 */
@media (max-width:480px){
  .ai-chat-btn{bottom:20px;right:20px}
  .ai-chat-trigger{width:60px;height:60px}
  .ai-chat-trigger .robot-body{width:38px;height:38px}
  .ai-chat-trigger .robot-eye{width:8px;height:8px;top:10px}
  .ai-chat-trigger .robot-eye.left{left:6px}
  .ai-chat-trigger .robot-eye.right{right:6px}
  .ai-chat-trigger .robot-mouth{bottom:7px;width:14px}
  .ai-chat-window{bottom:90px;right:10px;left:10px;width:auto;height:65vh;border-radius:20px}
}