*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  background:#0a0c0f;
  color:#eef2f6;
  line-height:1.5;
  overflow-x:hidden;
}
.container{max-width:1280px;margin:0 auto;padding:0 24px;}
.bg-glow{
  position:fixed;top:0;left:0;width:100%;height:100%;
  background:radial-gradient(circle at 20% 30%, rgba(0,180,255,0.08) 0%, transparent 40%),
             radial-gradient(circle at 80% 70%, rgba(160,80,255,0.08) 0%, transparent 40%);
  pointer-events:none;z-index:0;
}
.navbar{
  position:sticky;top:0;z-index:100;
  backdrop-filter:blur(18px);
  background:rgba(10,12,15,0.75);
  border-bottom:1px solid rgba(255,255,255,0.06);
  padding:12px 0;
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;}
.logo-area{display:flex;align-items:center;gap:12px;}
.logo-icon{height:34px;width:auto;border-radius:10px;object-fit:contain;}
.logo-text{
  font-weight:800;font-size:22px;letter-spacing:-0.5px;
  background:linear-gradient(135deg,#fff,#aad0ff);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}
.logo-badge{
  background:linear-gradient(135deg,#00c6ff,#0072ff);
  font-size:12px;font-weight:700;padding:3px 8px;border-radius:30px;color:#fff;
  letter-spacing:0.3px;margin-left:4px;box-shadow:0 0 12px #0072ff66;
}
.nav-links{display:flex;gap:26px;align-items:center;flex-wrap:wrap;}
.nav-links a{color:#cdd9e9;text-decoration:none;font-weight:500;font-size:15px;transition:0.2s;white-space:nowrap;}
.nav-links a:hover{color:#fff;text-shadow:0 0 12px #00c6ff;}
.nav-cta{
  background:linear-gradient(135deg,#00c6ff,#0072ff);
  padding:10px 22px;border-radius:40px;font-weight:700;color:#fff !important;
  box-shadow:0 8px 20px -6px #0072ff;transition:0.2s;
}
.nav-cta:hover{transform:scale(1.02);box-shadow:0 10px 28px -4px #00a6ff;}
.hero{position:relative;z-index:2;padding:70px 0 60px;display:flex;align-items:center;gap:40px;flex-wrap:wrap;}
.hero-left{flex:1 1 350px;}
.version-tag{
  display:inline-block;background:rgba(0,198,255,0.12);
  border:1px solid rgba(0,198,255,0.3);padding:6px 16px;border-radius:100px;
  font-size:14px;font-weight:600;color:#7fd6ff;letter-spacing:0.4px;margin-bottom:24px;
  backdrop-filter:blur(4px);
}
.hero-title{
  font-size:clamp(42px,7vw,64px);font-weight:800;line-height:1.1;
  letter-spacing:-1.5px;margin-bottom:18px;
}
.gradient-text{
  background:linear-gradient(120deg,#ffffff,#8ad0ff,#c27aff);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}
.hero-desc{font-size:18px;color:#9fb0c5;max-width:500px;margin-bottom:32px;}
.hero-buttons{display:flex;flex-wrap:wrap;gap:16px;align-items:center;}
.btn-primary{
  background:linear-gradient(135deg,#00c6ff,#0072ff);border:none;
  padding:14px 36px;border-radius:50px;font-weight:700;font-size:16px;color:#fff;
  text-decoration:none;display:inline-flex;align-items:center;gap:10px;
  box-shadow:0 12px 30px -8px #0072ff;transition:0.2s;
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 36px -8px #00a2ff;}
.btn-secondary{
  background:rgba(255,255,255,0.04);border:1px solid rgba(255,255,255,0.15);
  padding:14px 36px;border-radius:50px;font-weight:600;color:#eef2f6;
  text-decoration:none;transition:0.2s;backdrop-filter:blur(8px);
}
.btn-secondary:hover{background:rgba(255,255,255,0.1);border-color:rgba(0,198,255,0.5);}
.hero-right{flex:1 1 350px;display:flex;justify-content:center;position:relative;}
.hero-preview{
  width:100%;max-width:480px;border-radius:24px;
  box-shadow:0 30px 60px -20px #000000cc, 0 0 0 1px rgba(255,255,255,0.06) inset;
  border:1px solid rgba(255,255,255,0.08);transition:0.3s;display:block;
}
.hero-preview:hover{transform:scale(1.01);box-shadow:0 40px 70px -20px #0066ff50;}
.section{position:relative;z-index:2;padding:70px 0;scroll-margin-top:90px;}
.section-header{text-align:center;margin-bottom:48px;}
.section-tag{
  color:#5bb8ff;font-weight:600;font-size:14px;letter-spacing:2px;
  text-transform:uppercase;margin-bottom:10px;
}
.section-title{
  font-size:36px;font-weight:800;letter-spacing:-1px;
  background:linear-gradient(135deg,#ffffff 30%,#b8d6ff);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}
.section-sub{color:#8d9eb5;max-width:600px;margin:16px auto 0;font-size:16px;}
.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:24px;}
.feature-card{
  background:rgba(20,25,33,0.65);backdrop-filter:blur(12px);
  border:1px solid rgba(255,255,255,0.06);border-radius:24px;padding:28px 22px;
  transition:0.25s;box-shadow:0 8px 24px -12px #00000080;
}
.feature-card:hover{
  background:rgba(28,35,46,0.8);border-color:rgba(0,180,255,0.3);
  transform:translateY(-4px);box-shadow:0 20px 36px -16px #0072ff60;
}
.feature-icon{
  width:48px;height:48px;background:linear-gradient(135deg,#00c6ff22,#0072ff22);
  border-radius:14px;display:flex;align-items:center;justify-content:center;
  margin-bottom:20px;font-size:24px;border:1px solid rgba(0,198,255,0.25);
}
.feature-card h3{font-size:20px;font-weight:700;margin-bottom:10px;}
.feature-card p{color:#9aabbf;font-size:15px;}
.gallery-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.gallery-item{
  border-radius:20px;overflow:hidden;border:1px solid rgba(255,255,255,0.06);
  background:#10141b;transition:0.25s;aspect-ratio:1 / 1;
  display:flex;align-items:center;justify-content:center;
}
.gallery-item img{width:100%;height:100%;object-fit:cover;transition:0.3s;display:block;}
.gallery-item:hover{
  border-color:rgba(0,200,255,0.5);transform:scale(1.02);
  box-shadow:0 16px 30px -14px #0072ffaa;
}
.gallery-item:hover img{transform:scale(1.05);}
.version-block{
  display:flex;gap:40px;align-items:center;flex-wrap:wrap;
  background:rgba(16,22,30,0.6);backdrop-filter:blur(16px);
  border-radius:40px;padding:40px 48px;
  border:1px solid rgba(255,255,255,0.05);margin-top:20px;
}
.version-left{flex:1 1 300px;}
.version-left h2{font-size:32px;font-weight:800;margin-bottom:16px;}
.version-badge{
  display:inline-block;background:#00c6ff22;border:1px solid #00c6ff66;
  padding:4px 14px;border-radius:30px;font-weight:600;font-size:14px;
  margin-bottom:20px;color:#7fd6ff;
}
.version-list{list-style:none;margin-top:18px;}
.version-list li{
  display:flex;gap:12px;align-items:center;padding:8px 0;color:#cbd5e6;
  border-bottom:1px solid rgba(255,255,255,0.04);
}
.version-list li span{color:#00c6ff;font-weight:700;flex-shrink:0;}
.version-right{flex:1 1 260px;display:flex;justify-content:center;}
.version-right img{
  width:100%;max-width:340px;border-radius:24px;
  box-shadow:0 20px 40px -16px #000000;border:1px solid rgba(255,255,255,0.1);
}
.tutorial-steps{display:flex;flex-direction:column;gap:32px;max-width:960px;margin:0 auto;}
.tutorial-step{
  display:flex;gap:28px;align-items:center;
  background:rgba(20,25,33,0.55);backdrop-filter:blur(12px);
  border:1px solid rgba(255,255,255,0.06);border-radius:28px;padding:32px;transition:0.25s;
}
.tutorial-step:hover{
  border-color:rgba(0,180,255,0.25);background:rgba(28,35,46,0.8);
  box-shadow:0 20px 36px -20px #0072ff40;
}
.tutorial-step.reverse{flex-direction:row-reverse;}
.step-number{
  flex-shrink:0;width:56px;height:56px;
  background:linear-gradient(135deg,#00c6ff,#0072ff);border-radius:18px;
  display:flex;align-items:center;justify-content:center;
  font-size:24px;font-weight:800;color:#fff;box-shadow:0 8px 20px -6px #0072ff;
}
.step-content{flex:1 1 280px;}
.step-content h3{font-size:22px;font-weight:700;margin-bottom:10px;color:#ffffff;}
.step-content p{color:#a0b2c8;font-size:15px;line-height:1.7;margin-bottom:8px;}
.step-content .step-tip{
  display:inline-block;background:#00c6ff12;border-left:3px solid #00c6ff;
  padding:6px 14px;border-radius:8px;font-size:14px;color:#7fd6ff;margin-top:6px;
}
.step-img{flex:1 1 240px;display:flex;justify-content:center;}
.step-img img{
  width:100%;max-width:320px;border-radius:20px;
  box-shadow:0 16px 36px -20px #000000;border:1px solid rgba(255,255,255,0.08);display:block;
}
.faq-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px;max-width:1000px;margin:0 auto;}
.faq-item{
  background:rgba(20,25,33,0.6);backdrop-filter:blur(10px);
  border:1px solid rgba(255,255,255,0.06);border-radius:20px;padding:24px;transition:0.25s;
}
.faq-item:hover{border-color:rgba(0,180,255,0.25);background:rgba(28,35,46,0.8);}
.faq-item h3{
  font-size:18px;font-weight:700;margin-bottom:10px;
  display:flex;align-items:center;gap:10px;color:#d6e5ff;
}
.faq-item h3 span{color:#00c6ff;font-size:20px;flex-shrink:0;}
.faq-item p{color:#a0b2c8;font-size:15px;line-height:1.6;}
.review-block{
  display:flex;gap:32px;flex-wrap:wrap;
  background:rgba(16,22,30,0.5);backdrop-filter:blur(12px);
  border-radius:32px;padding:36px 32px;
  border:1px solid rgba(255,255,255,0.05);margin-bottom:20px;align-items:center;
}
.review-block.reverse{flex-direction:row-reverse;}
.review-text{flex:1 1 300px;}
.review-text h3{font-size:24px;font-weight:700;margin-bottom:12px;color:#ffffff;}
.review-text p{color:#a0b2c8;font-size:15px;margin-bottom:16px;line-height:1.7;}
.review-tag{
  display:inline-block;background:#00c6ff15;border:1px solid #00c6ff40;
  padding:4px 12px;border-radius:20px;font-size:13px;color:#7fd6ff;
  font-weight:500;margin-right:8px;margin-bottom:8px;
}
.review-img{flex:1 1 280px;display:flex;justify-content:center;}
.review-img img{
  width:100%;max-width:380px;border-radius:20px;
  box-shadow:0 20px 40px -20px #000000;border:1px solid rgba(255,255,255,0.08);display:block;
}
.comments-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:22px;max-width:1100px;margin:0 auto;}
.comment-card{
  background:rgba(20,25,33,0.65);backdrop-filter:blur(12px);
  border:1px solid rgba(255,255,255,0.06);border-radius:24px;padding:24px;
  transition:0.25s;display:flex;flex-direction:column;gap:14px;
}
.comment-card:hover{
  border-color:rgba(0,180,255,0.3);background:rgba(28,35,46,0.85);
  transform:translateY(-3px);box-shadow:0 18px 34px -18px #0072ff50;
}
.comment-head{display:flex;align-items:center;gap:12px;}
.comment-avatar{
  width:46px;height:46px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:18px;color:#fff;flex-shrink:0;
  border:2px solid rgba(255,255,255,0.1);
}
.avatar-1{background:linear-gradient(135deg,#00c6ff,#0072ff);}
.avatar-2{background:linear-gradient(135deg,#ff8a5b,#ff4d6d);}
.avatar-3{background:linear-gradient(135deg,#a855f7,#6d28d9);}
.avatar-4{background:linear-gradient(135deg,#10b981,#047857);}
.avatar-5{background:linear-gradient(135deg,#f59e0b,#d97706);}
.avatar-6{background:linear-gradient(135deg,#ec4899,#be185d);}
.comment-meta{flex:1;min-width:0;}
.comment-name{
  font-weight:700;font-size:15px;color:#ffffff;
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
}
.comment-badge{
  font-size:11px;font-weight:600;background:#00c6ff22;
  border:1px solid #00c6ff55;color:#7fd6ff;padding:1px 8px;border-radius:20px;
}
.comment-date{font-size:12px;color:#6f829c;margin-top:2px;}
.comment-stars{color:#fbbf24;font-size:14px;letter-spacing:1px;}
.comment-body{color:#b3c2d6;font-size:15px;line-height:1.7;}
.comment-actions{
  display:flex;gap:18px;padding-top:12px;
  border-top:1px solid rgba(255,255,255,0.05);
}
.comment-actions span{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;
  color:#7d8fa8;transition:0.2s;user-select:none;
}
.comment-actions span:hover{color:#00c6ff;text-shadow:0 0 10px #00c6ff66;}
.download-area{
  background:linear-gradient(135deg,#0a1422 0%,#0d1a2b 100%);
  border-radius:48px;padding:56px 48px;
  border:1px solid rgba(0,198,255,0.2);
  box-shadow:0 30px 60px -30px #000000, 0 0 0 1px #ffffff08 inset;
  text-align:center;position:relative;overflow:hidden;
}
.download-area::before{
  content:'';position:absolute;top:-50%;left:-20%;width:140%;height:140%;
  background:radial-gradient(circle at 30% 40%,#0072ff15,transparent 60%);
  pointer-events:none;
}
.download-title{font-size:38px;font-weight:800;margin-bottom:16px;letter-spacing:-1px;}
.download-desc{
  color:#a2b6d0;margin-bottom:32px;font-size:16px;
  max-width:520px;margin-left:auto;margin-right:auto;
}
.download-btn{
  background:linear-gradient(135deg,#00c6ff,#0072ff);border:none;
  padding:18px 48px;border-radius:60px;font-weight:800;font-size:18px;color:#fff;
  text-decoration:none;display:inline-flex;align-items:center;gap:12px;
  box-shadow:0 18px 40px -12px #0072ff;transition:0.2s;position:relative;z-index:2;
}
.download-btn:hover{transform:scale(1.02);box-shadow:0 24px 50px -12px #0099ff;}
.mirror-note{margin-top:20px;font-size:14px;color:#6c7e96;}
.mirror-note a{color:#6fb9ff;text-decoration:none;word-break:break-all;}
.footer{
  padding:40px 0 32px;border-top:1px solid rgba(255,255,255,0.05);
  text-align:center;color:#677a92;font-size:14px;position:relative;z-index:2;
}
.footer a{color:#8dc2ff;text-decoration:none;}
.footer-meta{
  display:flex;flex-wrap:wrap;justify-content:center;gap:8px 22px;
  margin-top:14px;align-items:center;font-size:13px;color:#5e7188;
}
.footer-meta span{display:inline-flex;align-items:center;gap:6px;}
.footer-meta .dot{width:3px;height:3px;border-radius:50%;background:#3a4c62;}
.footer-beian{color:#6d8dbb;}
.footer-beian:hover{color:#8dc2ff;}
@media (max-width:1024px){
  .gallery-grid{grid-template-columns:repeat(3,1fr);}
}
@media (max-width:900px){
  .nav-links{gap:18px;}
  .nav-links a{font-size:14px;}
}
@media (max-width:768px){
  .nav-inner{justify-content:center;}
  .nav-links{justify-content:center;gap:14px 20px;width:100%;padding-top:8px;}
  .nav-cta{padding:8px 18px;font-size:14px;}
  .hero{padding:40px 0;text-align:center;}
  .hero-left{display:flex;flex-direction:column;align-items:center;}
  .hero-desc{text-align:center;}
  .hero-title{font-size:42px;}
  .hero-buttons{justify-content:center;}
  .gallery-grid{grid-template-columns:repeat(2,1fr);}
  .version-block{padding:30px 24px;}
  .download-area{padding:40px 24px;}
  .section-title{font-size:28px;}
  .download-title{font-size:30px;}
  .review-block,.review-block.reverse{flex-direction:column;padding:28px 20px;text-align:center;}
  .review-tag{margin-right:4px;}
  .section{scroll-margin-top:140px;}
  .faq-grid{grid-template-columns:1fr;}
  .tutorial-step,.tutorial-step.reverse{flex-direction:column;text-align:center;padding:26px 20px;}
  .step-number{margin-bottom:6px;}
  .step-img img{max-width:260px;}
  .comments-grid{grid-template-columns:1fr;}
  .footer-meta{flex-direction:column;gap:6px;}
  .footer-meta .dot{display:none;}
}
@media (max-width:480px){
  .logo-text{font-size:18px;}
  .logo-icon{height:28px;}
  .hero-title{font-size:34px;}
  .hero-buttons .btn-primary,.hero-buttons .btn-secondary{width:100%;justify-content:center;}
  .gallery-grid{grid-template-columns:1fr;}
  .download-btn{font-size:16px;padding:14px 28px;}
  .download-area{padding:30px 20px;}
  .nav-links{gap:10px 16px;}
  .nav-links a{font-size:13px;}
  .nav-cta{padding:6px 16px;font-size:13px;}
  .section{scroll-margin-top:170px;}
  .step-content h3{font-size:19px;}
}