:root {
    --bg-0:      #05050a;          /* 主背景深黑 */
    --bg-1:      #0b0b15;          /* 次级深色 */
    --bg-glass:  rgba(20, 20, 35, 0.55);  /* 玻璃拟态底 */
    --violet-400: #a78bfa;
    --violet-500: #8b5cf6;
    --violet-600: #7c3aed;
    --cyan-400:   #22d3ee;
    --cyan-500:   #06b6d4;
    --pink-400:   #f472b6;
    --ink-100:    #f8fafc;
    --ink-300:    #cbd5e1;
    --ink-500:    #94a3b8;
    --ink-700:    #475569;
    --ink-900:    #0f172a;
    --radius-md: 20px;
    --radius-lg: 28px;
    --glass-blur: blur(24px) saturate(180%);
    --glow:       0 0 80px rgba(139, 92, 246, 0.35);
  }
  *{box-sizing:border-box;margin:0;padding:0}
  body{
    font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text",
      "PingFang SC","Microsoft YaHei",sans-serif;
    background:var(--bg-0);color:var(--ink-100);min-height:100vh;
    -webkit-font-smoothing:antialiased;overflow-x:hidden;
  }

  /* 全局渐变光斑 (左上紫 / 右下青) */
  body::before{
    content:"";position:fixed;inset:0;z-index:-1;
    background:
      radial-gradient(circle at 12% 20%, rgba(139,92,246,.32) 0%, transparent 45%),
      radial-gradient(circle at 90% 75%, rgba(6,182,212,.22) 0%, transparent 45%),
      radial-gradient(circle at 50% 100%, rgba(244,114,182,.10) 0%, transparent 50%);
    pointer-events:none;
  }
  body::after{
    content:"";position:fixed;inset:0;z-index:-1;
    background-image:
      linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
    background-size:60px 60px;
    mask-image:radial-gradient(ellipse at center, black 30%, transparent 75%);
    pointer-events:none;
  }

  /* 顶 nav */
  .top-bar{
    position:sticky;top:0;z-index:10;
    background:rgba(5,5,10,.6);
    backdrop-filter:var(--glass-blur);
    -webkit-backdrop-filter:var(--glass-blur);
    border-bottom:1px solid rgba(255,255,255,.06);
    padding:18px 60px;display:flex;justify-content:space-between;align-items:center;
  }
  .brand{display:flex;align-items:center;gap:12px;font-weight:700;font-size:18px;letter-spacing:-.3px}
  .brand-icon{
    width:38px;height:38px;border-radius:11px;
    background:linear-gradient(135deg,var(--violet-500),var(--cyan-500));
    display:grid;place-items:center;color:#fff;font-size:18px;
    box-shadow:0 0 20px rgba(139,92,246,.5);
  }
  .nav-links{display:flex;gap:30px;align-items:center}
  .nav-links a{
    color:var(--ink-300);text-decoration:none;font-size:14px;font-weight:500;
    transition:color .15s;
  }
  .nav-links a:hover{color:var(--ink-100)}
  .nav-cta{
    background:linear-gradient(135deg,var(--violet-500),var(--violet-600)) !important;
    color:#fff !important;padding:9px 20px;border-radius:11px;font-weight:600;
    box-shadow:0 4px 14px rgba(139,92,246,.40);
  }

  /* 主网格: 左 50% 文案 / 右 50% 上传 + 3D 预览 */
  .hero-grid{
    max-width:1280px;margin:0 auto;padding:80px 60px 60px;
    display:grid;grid-template-columns:1fr 1.05fr;gap:60px;align-items:center;
  }

  /* 左文案 */
  .hero-tag{
    display:inline-flex;align-items:center;gap:8px;
    background:rgba(139,92,246,.15);
    border:1px solid rgba(139,92,246,.3);
    color:#c4b5fd;
    padding:6px 14px;border-radius:999px;
    font-size:12px;font-weight:600;margin-bottom:24px;
    letter-spacing:.4px;text-transform:uppercase;
  }
  .hero-tag::before{
    content:"";width:6px;height:6px;border-radius:50%;
    background:var(--violet-400);
    box-shadow:0 0 8px var(--violet-400);
  }
  .hero h1{
    font-size:64px;font-weight:800;line-height:1.05;
    letter-spacing:-2.5px;margin-bottom:24px;
  }
  .hero h1 .grad{
    background:linear-gradient(135deg,#a78bfa 0%,#22d3ee 50%,#f472b6 100%);
    -webkit-background-clip:text;background-clip:text;
    -webkit-text-fill-color:transparent;
  }
  .hero p{
    font-size:18px;line-height:1.6;color:var(--ink-300);
    margin-bottom:36px;max-width:480px;
  }
  .hero-stats{
    display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
    padding-top:32px;border-top:1px solid rgba(255,255,255,.08);
    max-width:520px;
  }
  .stat{}
  .stat-val{
    font-size:28px;font-weight:800;letter-spacing:-1px;
    background:linear-gradient(135deg,#a78bfa,#22d3ee);
    -webkit-background-clip:text;background-clip:text;
    -webkit-text-fill-color:transparent;
    font-variant-numeric:tabular-nums;
    line-height:1.1;
  }
  .stat-lbl{font-size:11px;color:var(--ink-500);margin-top:6px;letter-spacing:.3px}

  /* 右上: 玻璃拟态上传卡 (含 3D 预览) */
  .upload-card{
    background:var(--bg-glass);
    backdrop-filter:var(--glass-blur);
    -webkit-backdrop-filter:var(--glass-blur);
    border:1px solid rgba(255,255,255,.1);
    border-radius:32px;
    padding:28px;box-shadow:var(--glow), 0 24px 48px rgba(0,0,0,.4);
    position:relative;overflow:hidden;
  }
  /* 角落高光 */
  .upload-card::before{
    content:"";position:absolute;top:-2px;left:40%;width:60%;height:2px;
    background:linear-gradient(90deg,transparent,rgba(255,255,255,.4),transparent);
  }
  .upload-zone{
    border:2px dashed rgba(139,92,246,.4);
    border-radius:24px;padding:48px 24px;text-align:center;
    background:linear-gradient(180deg,rgba(139,92,246,.05),rgba(6,182,212,.02));
    cursor:pointer;transition:all .3s ease;
    position:relative;overflow:hidden;
  }
  .upload-zone:hover{
    border-color:rgba(139,92,246,.7);
    background:linear-gradient(180deg,rgba(139,92,246,.12),rgba(6,182,212,.06));
  }
  .upload-icon{
    width:72px;height:72px;border-radius:50%;
    background:linear-gradient(135deg,rgba(139,92,246,.3),rgba(6,182,212,.3));
    border:1px solid rgba(255,255,255,.15);
    margin:0 auto 18px;display:grid;place-items:center;
    color:#c4b5fd;
    box-shadow:0 0 30px rgba(139,92,246,.35);
    animation:float 3s ease-in-out infinite;
  }
  @keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-5px)}}
  .upload-title{font-size:18px;font-weight:700;margin-bottom:6px;color:var(--ink-100)}
  .upload-sub{font-size:14px;color:var(--ink-300)}
  .upload-formats{margin-top:18px;display:flex;gap:8px;justify-content:center;flex-wrap:wrap}
  .format-chip{
    font-size:11px;color:var(--ink-300);
    background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08);
    padding:4px 11px;border-radius:999px;font-weight:500;
  }
  .divider-or{
    display:flex;align-items:center;gap:14px;margin:24px 0;
    color:rgba(255,255,255,.25);font-size:12px;font-weight:500;
  }
  .divider-or::before,.divider-or::after{content:"";flex:1;height:1px;background:rgba(255,255,255,.08)}
  .btn{
    display:flex;align-items:center;justify-content:center;gap:10px;
    width:100%;padding:16px;border-radius:14px;
    font-size:15px;font-weight:600;cursor:pointer;border:none;transition:all .2s ease;
  }
  .btn-primary{
    background:linear-gradient(135deg,var(--violet-500),var(--cyan-500));
    color:#fff;
    box-shadow:0 4px 20px rgba(139,92,246,.5),
      inset 0 1px 0 rgba(255,255,255,.2);
  }
  .btn-primary:hover{
    transform:translateY(-1px);
    box-shadow:0 6px 28px rgba(139,92,246,.65),
      inset 0 1px 0 rgba(255,255,255,.25);
  }
  .tip{
    margin-top:18px;padding:12px 14px;
    background:rgba(6,182,212,.08);border:1px solid rgba(6,182,212,.15);
    border-radius:12px;font-size:13px;color:var(--ink-300);
    display:flex;gap:10px;align-items:flex-start;line-height:1.55;
  }
  .tip-icon{color:var(--cyan-400);flex-shrink:0;margin-top:1px}

  /* 作品墙: 8 等分 (4×2) 网格, 全部同大, hover 变 3D 旋转 */
  .gallery{
    max-width:1280px;margin:60px auto 0;padding:0 60px 80px;
  }
  .gallery-head{
    display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:28px;
  }
  .gallery-title{
    font-size:32px;font-weight:800;letter-spacing:-1px;
  }
  .gallery-sub{font-size:14px;color:var(--ink-500);margin-top:4px}
  .gallery-link{
    color:var(--violet-400);font-size:14px;text-decoration:none;font-weight:600;
    display:flex;align-items:center;gap:4px;
  }
  .gallery-link:hover{color:var(--violet-500)}
  .gallery-grid{
    display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
  }
  .gallery-item{
    aspect-ratio:1;border-radius:18px;overflow:hidden;cursor:pointer;
    position:relative;border:1px solid rgba(255,255,255,.08);
    transition:transform .3s, box-shadow .3s, border-color .3s;
  }
  .gallery-item:hover{
    transform:translateY(-4px);
    box-shadow:0 16px 32px rgba(139,92,246,.30);
    border-color:rgba(139,92,246,.4);
  }
  /* 玻璃渐变 (替代真实图) */
  .g1{background:linear-gradient(135deg,#f472b6 0%,#8b5cf6 50%,#06b6d4 100%)}
  .g2{background:linear-gradient(135deg,#22d3ee 0%,#a78bfa 100%)}
  .g3{background:linear-gradient(135deg,#bef264 0%,#22d3ee 100%)}
  .g4{background:linear-gradient(135deg,#fbbf24 0%,#f472b6 100%)}
  .g5{background:linear-gradient(135deg,#a78bfa 0%,#f472b6 100%)}
  .g6{background:linear-gradient(135deg,#14b8a6 0%,#8b5cf6 100%)}
  .g7{background:linear-gradient(135deg,#f43f5e 0%,#fbbf24 100%)}
  .g8{background:linear-gradient(135deg,#8b5cf6 0%,#06b6d4 50%,#22d3ee 100%)}

  /* hover 时 3D 旋转 (透明紫八面体) */
  .gallery-item .octa-hover{
    position:absolute;top:50%;left:50%;
    transform:translate(-50%,-50%) scale(0);
    width:50%;aspect-ratio:1;
    background:linear-gradient(135deg,#a78bfa,#8b5cf6 40%,#06b6d4);
    clip-path:polygon(50% 0%,100% 38%,82% 100%,18% 100%,0% 38%);
    box-shadow:0 0 40px rgba(139,92,246,.7);
    transition:transform .4s cubic-bezier(.34,1.56,.64,1);
  }
  .gallery-item:hover .octa-hover{
    transform:translate(-50%,-50%) rotateX(20deg) rotateY(45deg) scale(1);
    animation:rotate-octa 8s ease-in-out infinite;
  }
  @keyframes rotate-octa{
    0%,100%{transform:translate(-50%,-50%) rotateX(20deg) rotateY(0deg) scale(1)}
    50%{transform:translate(-50%,-50%) rotateX(35deg) rotateY(180deg) scale(1.05)}
  }

  /* 缩略图底部信息 */
  .gallery-info{
    position:absolute;bottom:8px;left:8px;right:8px;
    background:rgba(0,0,0,.55);backdrop-filter:blur(10px);
    border:1px solid rgba(255,255,255,.06);
    border-radius:10px;padding:7px 10px;
    color:#fff;
  }
  .gallery-info .name{font-size:12px;font-weight:700;line-height:1.2}
  .gallery-info .meta{font-size:10px;color:rgba(255,255,255,.65);margin-top:2px;display:flex;align-items:center;gap:4px}
  .gallery-info .meta::before{
    content:"";width:5px;height:5px;border-radius:50%;background:#4ade80;
    box-shadow:0 0 4px #4ade80;
  }

  .footer{text-align:center;padding:32px 0;border-top:1px solid rgba(255,255,255,.05);color:var(--ink-700);font-size:12px}


  :root{
    --bg-0:#05050a; --bg-1:#0b0b15; --bg-glass:rgba(20,20,35,.55);
    --violet-400:#a78bfa; --violet-500:#8b5cf6; --violet-600:#7c3aed;
    --cyan-400:#22d3ee; --cyan-500:#06b6d4; --pink-400:#f472b6;
    --ink-100:#f8fafc; --ink-300:#cbd5e1; --ink-500:#94a3b8; --ink-700:#475569;
    --glass-blur:blur(24px) saturate(180%);
    --glow:0 0 80px rgba(139,92,246,.35);
  }
  body{
    font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","PingFang SC","Microsoft YaHei",sans-serif;
    background:var(--bg-0);color:var(--ink-100);min-height:100vh;
    -webkit-font-smoothing:antialiased;overflow-x:hidden;
  }
  body::before{
    content:"";position:fixed;inset:0;z-index:-1;
    background:
      radial-gradient(circle at 15% 30%, rgba(139,92,246,.30) 0%, transparent 45%),
      radial-gradient(circle at 85% 70%, rgba(6,182,212,.22) 0%, transparent 45%);
    pointer-events:none;
  }
  body::after{
    content:"";position:fixed;inset:0;z-index:-1;
    background-image:
      linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
    background-size:60px 60px;
    mask-image:radial-gradient(ellipse at center, black 30%, transparent 75%);
    pointer-events:none;
  }
  nav{
    position:sticky;top:0;z-index:10;
    background:rgba(5,5,10,.6);
    backdrop-filter:var(--glass-blur);
    border-bottom:1px solid rgba(255,255,255,.06);
    padding:18px 60px;display:flex;justify-content:space-between;align-items:center;
  }
  .brand-icon{
    width:38px;height:38px;border-radius:11px;
    background:linear-gradient(135deg,var(--violet-500),var(--cyan-500));
    display:grid;place-items:center;color:#fff;font-size:18px;
    box-shadow:0 0 20px rgba(139,92,246,.5);
  }
  .nav-right{display:flex;gap:24px;align-items:center}
  .nav-link{
    color:var(--ink-300);text-decoration:none;font-size:14px;font-weight:500;
    transition:color .15s;
  }
  .nav-link:hover{color:var(--ink-100)}
  .nav-status{
    display:flex;align-items:center;gap:8px;
    padding:6px 12px;border-radius:999px;
    background:rgba(139,92,246,.15);
    border:1px solid rgba(139,92,246,.3);
    font-size:12px;font-weight:600;color:#c4b5fd;
  }
  .nav-status::before{
    content:"";width:6px;height:6px;border-radius:50%;
    background:var(--violet-400);
    box-shadow:0 0 6px var(--violet-400);
    animation:pulse 1.6s ease-in-out infinite;
  }

  .progress-main{
    max-width:1280px;margin:0 auto;padding:60px;
    display:grid;grid-template-columns:1.2fr 1fr;gap:48px;align-items:start;
  }

  /* 左: 大 3D 舞台 */
  .status-row{display:flex;align-items:center;gap:12px;margin-bottom:20px}
  .pulse-dot{
    width:12px;height:12px;border-radius:50%;
    background:var(--violet-400);
    box-shadow:0 0 0 0 rgba(167,139,250,.50);
    animation:pulse 1.6s ease-in-out infinite;
  }
  @keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(167,139,250,.50)}50%{box-shadow:0 0 0 10px rgba(167,139,250,0)}}
  .status-text{font-size:14px;color:var(--ink-300);font-weight:500;letter-spacing:.3px}
  .status-step{color:var(--violet-400);font-weight:700;font-size:16px}

  .status-title{font-size:48px;font-weight:800;letter-spacing:-1.5px;line-height:1.1;margin-bottom:8px}
  .status-title .grad{
    background:linear-gradient(135deg,#a78bfa,#22d3ee);
    -webkit-background-clip:text;background-clip:text;
    -webkit-text-fill-color:transparent;
  }
  .status-sub{font-size:16px;color:var(--ink-300);margin-bottom:32px}

  /* 大 3D 舞台 */
  .preview-stage{
    aspect-ratio:1.2;
    background:linear-gradient(180deg,#0b0b15,#1a1a2e);
    border:1px solid rgba(139,92,246,.25);
    border-radius:32px;position:relative;overflow:hidden;
    box-shadow:var(--glow);
  }
  .preview-stage::before{
    content:"";position:absolute;inset:0;
    background-image:linear-gradient(rgba(139,92,246,.10) 1px,transparent 1px),
      linear-gradient(90deg,rgba(139,92,246,.10) 1px,transparent 1px);
    background-size:32px 32px;
    mask-image:radial-gradient(ellipse at center,black 20%,transparent 70%);
  }
  .preview-stage::after{
    content:"";position:absolute;bottom:15%;left:10%;right:10%;height:1px;
    background:linear-gradient(90deg,transparent,rgba(139,92,246,.4),transparent);
  }
  .stage-object{
    position:absolute;top:45%;left:50%;
    transform:translate(-50%,-50%);
    width:36%;aspect-ratio:1;
    background:linear-gradient(135deg,#a78bfa,#8b5cf6 40%,#06b6d4);
    border-radius:30% 70% 70% 30%/30% 30% 70% 70%;
    box-shadow:0 0 80px rgba(139,92,246,.6),
      inset 0 -16px 30px rgba(0,0,0,.3);
    animation:rotate-3d 6s ease-in-out infinite;
  }
  @keyframes rotate-3d{0%,100%{transform:translate(-50%,-50%) rotate(-5deg) scale(1)}50%{transform:translate(-50%,-50%) rotate(5deg) scale(1.05)}}
  .stage-shadow{
    position:absolute;bottom:18%;left:50%;
    width:30%;height:14px;
    background:radial-gradient(ellipse,rgba(139,92,246,.4),transparent 70%);
    transform:translateX(-50%);
  }
  .stage-hint{
    position:absolute;bottom:20px;left:50%;transform:translateX(-50%);
    color:var(--ink-300);font-size:13px;
    background:rgba(0,0,0,.5);backdrop-filter:blur(10px);
    border:1px solid rgba(255,255,255,.08);
    padding:6px 14px;border-radius:999px;
  }

  /* 右: 玻璃步骤卡 */
  .step-card{
    background:var(--bg-glass);
    backdrop-filter:var(--glass-blur);
    border:1px solid rgba(255,255,255,.1);
    border-radius:28px;
    padding:36px;box-shadow:var(--glow),0 24px 48px rgba(0,0,0,.4);
    position:relative;overflow:hidden;
  }
  .step-card::before{
    content:"";position:absolute;top:-2px;left:30%;width:40%;height:2px;
    background:linear-gradient(90deg,transparent,rgba(255,255,255,.4),transparent);
  }
  .step-card-title{
    font-size:12px;color:var(--ink-500);font-weight:600;
    text-transform:uppercase;letter-spacing:.8px;margin-bottom:20px;
  }
  .progress{height:8px;background:rgba(255,255,255,.08);border-radius:999px;overflow:hidden;margin-bottom:14px;position:relative}
  .progress-fill{
    height:100%;width:62%;
    background:linear-gradient(90deg,var(--violet-500),var(--cyan-500));
    border-radius:999px;
    box-shadow:0 0 12px rgba(139,92,246,.6);
  }
  .progress-marks{
    position:absolute;inset:0;display:flex;justify-content:space-between;
    padding:0 20%;pointer-events:none;
  }
  .progress-marks span{width:2px;background:rgba(255,255,255,.4)}
  .progress-meta{
    display:flex;justify-content:space-between;
    font-size:13px;color:var(--ink-300);margin-bottom:28px;
  }
  .progress-meta b{color:var(--ink-100);font-weight:700;font-size:15px;font-variant-numeric:tabular-nums}
  .steps{display:flex;flex-direction:column;gap:0;margin-bottom:24px}
  .step{display:flex;align-items:center;gap:14px;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.04)}
  .step:last-child{border-bottom:none}
  .step-icon{
    width:32px;height:32px;border-radius:50%;
    display:grid;place-items:center;font-size:14px;font-weight:700;flex-shrink:0;
    border:1px solid transparent;
  }
  .step.done .step-icon{background:rgba(34,197,94,.15);color:#4ade80;border-color:rgba(34,197,94,.3)}
  .step.active .step-icon{
    background:linear-gradient(135deg,var(--violet-500),var(--cyan-500));
    color:#fff;
    box-shadow:0 0 16px rgba(139,92,246,.5);
    border-color:rgba(255,255,255,.2);
  }
  .step.pending .step-icon{background:rgba(255,255,255,.04);color:var(--ink-500);border-color:rgba(255,255,255,.06)}
  .step-text{font-size:15px;color:var(--ink-100)}
  .step.pending .step-text{color:var(--ink-500)}
  .step.active .step-text{color:var(--ink-100);font-weight:600}
  .step-time{margin-left:auto;font-size:13px;color:var(--ink-500);font-variant-numeric:tabular-nums}
  .step.active .step-time{color:var(--violet-400);font-weight:600}
  .step.done .step-time{color:#4ade80}

  .cancel-row{text-align:center;padding-top:16px;border-top:1px solid rgba(255,255,255,.06)}
  .cancel-link{color:var(--ink-500);font-size:13px;text-decoration:underline;cursor:pointer}
  .cancel-link:hover{color:var(--ink-100)}

  /* duplicate :root vars safe to redeclare for css coverage */
  :root{
    --bg-0:#05050a; --bg-1:#0b0b15; --bg-glass:rgba(20,20,35,.55);
    --violet-400:#a78bfa; --violet-500:#8b5cf6; --violet-600:#7c3aed;
    --cyan-400:#22d3ee; --cyan-500:#06b6d4; --green-400:#4ade80; --green-500:#22c55e;
    --pink-400:#f472b6;
    --ink-100:#f8fafc; --ink-300:#cbd5e1; --ink-500:#94a3b8; --ink-700:#475569;
    --glass-blur:blur(24px) saturate(180%);
    --glow:0 0 80px rgba(139,92,246,.35);
  }
  body{
    font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","PingFang SC","Microsoft YaHei",sans-serif;
    background:var(--bg-0);color:var(--ink-100);min-height:100vh;
    -webkit-font-smoothing:antialiased;overflow-x:hidden;
  }
  body::before{
    content:"";position:fixed;inset:0;z-index:-1;
    background:
      radial-gradient(circle at 15% 30%, rgba(139,92,246,.30) 0%, transparent 45%),
      radial-gradient(circle at 85% 70%, rgba(6,182,212,.22) 0%, transparent 45%);
    pointer-events:none;
  }
  body::after{
    content:"";position:fixed;inset:0;z-index:-1;
    background-image:
      linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
    background-size:60px 60px;
    mask-image:radial-gradient(ellipse at center, black 30%, transparent 75%);
    pointer-events:none;
  }
  nav{
    position:sticky;top:0;z-index:10;
    background:rgba(5,5,10,.6);
    backdrop-filter:var(--glass-blur);
    border-bottom:1px solid rgba(255,255,255,.06);
    padding:18px 60px;display:flex;justify-content:space-between;align-items:center;gap:12px;
    font-weight:700;font-size:18px;
  }
  .brand-icon{
    width:38px;height:38px;border-radius:11px;
    background:linear-gradient(135deg,var(--violet-500),var(--cyan-500));
    display:grid;place-items:center;color:#fff;font-size:18px;
    box-shadow:0 0 20px rgba(139,92,246,.5);
  }

  /* (done-main block originally here, now using the canonical one below) */

  .done-main{
    max-width:1280px;margin:0 auto;padding:60px;
    display:grid;grid-template-columns:1.25fr 1fr;gap:40px;
    align-items:start;
  }

  /* 左: 大 3D 预览 + 文件信息 */
  .preview-card{
    background:var(--bg-glass);
    backdrop-filter:var(--glass-blur);
    border:1px solid rgba(255,255,255,.1);
    border-radius:32px;overflow:hidden;
    box-shadow:var(--glow),0 24px 48px rgba(0,0,0,.4);
    position:relative;
  }
  .preview-card::before{
    content:"";position:absolute;top:-2px;left:30%;width:40%;height:2px;
    background:linear-gradient(90deg,transparent,rgba(255,255,255,.4),transparent);
    z-index:1;
  }
  .preview-stage{
    aspect-ratio:1.1;
    background:linear-gradient(180deg,#0b0b15,#1a1a2e);
    position:relative;overflow:hidden;
    max-height:540px;
  }
  .preview-stage::before{
    content:"";position:absolute;inset:0;
    background-image:linear-gradient(rgba(139,92,246,.10) 1px,transparent 1px),
      linear-gradient(90deg,rgba(139,92,246,.10) 1px,transparent 1px);
    background-size:32px 32px;
    mask-image:radial-gradient(ellipse at center,black 20%,transparent 70%);
  }
  .stage-3d-object{
    position:absolute;top:50%;left:50%;
    transform:translate(-50%,-50%);
    width:36%;aspect-ratio:1;
    background:linear-gradient(135deg,#a78bfa,#8b5cf6 40%,#06b6d4);
    border-radius:30% 70% 70% 30%/30% 30% 70% 70%;
    box-shadow:0 0 100px rgba(139,92,246,.6),
      inset 0 -16px 30px rgba(0,0,0,.3);
    animation:rotate-3d 6s ease-in-out infinite;
  }
  @keyframes rotate-3d{0%,100%{transform:translate(-50%,-50%) rotate(-5deg) scale(1)}50%{transform:translate(-50%,-50%) rotate(5deg) scale(1.05)}}
  .stage-shadow{
    position:absolute;bottom:15%;left:50%;
    width:24%;height:14px;
    background:radial-gradient(ellipse,rgba(139,92,246,.4),transparent 70%);
    transform:translateX(-50%);
  }
  .stage-hint{
    position:absolute;bottom:20px;left:50%;transform:translateX(-50%);
    color:var(--ink-300);font-size:13px;
    background:rgba(0,0,0,.5);backdrop-filter:blur(10px);
    border:1px solid rgba(255,255,255,.08);
    padding:6px 14px;border-radius:999px;
  }
  /* 三轴 gizmo (专业感) */
  .gizmo{
    position:absolute;top:20px;right:20px;
    width:60px;height:60px;border-radius:50%;
    background:rgba(0,0,0,.45);backdrop-filter:blur(10px);
    border:1px solid rgba(255,255,255,.10);
    display:grid;place-items:center;
  }
  .gizmo svg{transform:rotate(-30deg) rotateX(15deg)}

  /* 文件信息条 */
  .file-info{
    padding:20px 24px;border-top:1px solid rgba(255,255,255,.06);
    display:flex;align-items:center;gap:14px;
  }
  .file-icon{
    width:44px;height:44px;border-radius:11px;
    background:linear-gradient(135deg,rgba(139,92,246,.25),rgba(6,182,212,.25));
    border:1px solid rgba(139,92,246,.3);
    color:var(--violet-400);
    display:grid;place-items:center;flex-shrink:0;
  }
  .file-meta{flex:1;min-width:0}
  .file-name{font-size:15px;font-weight:600;color:var(--ink-100);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .file-sub{font-size:12px;color:var(--ink-300);margin-top:3px;display:flex;gap:12px;flex-wrap:wrap}
  .file-sub span{display:inline-flex;align-items:center;gap:4px}
  .file-sub .ok{color:#4ade80}
  .file-badge{
    font-size:11px;color:var(--violet-400);
    background:rgba(139,92,246,.15);border:1px solid rgba(139,92,246,.3);
    padding:3px 10px;border-radius:999px;font-weight:700;letter-spacing:.4px;
  }

  /* 右: 成功 + 数据 + 操作 + 帮助 */
  .right-col{display:flex;flex-direction:column;gap:20px}
  .success-head{
    background:var(--bg-glass);
    backdrop-filter:var(--glass-blur);
    border:1px solid rgba(255,255,255,.1);
    border-radius:24px;padding:28px;
    box-shadow:0 16px 32px rgba(0,0,0,.3);
    position:relative;overflow:hidden;
  }
  .success-head::before{
    content:"";position:absolute;top:-2px;left:30%;width:40%;height:2px;
    background:linear-gradient(90deg,transparent,rgba(74,222,128,.5),transparent);
  }
  .success-icon{
    width:56px;height:56px;border-radius:50%;
    background:linear-gradient(135deg,rgba(74,222,128,.2),rgba(34,197,94,.2));
    border:1px solid rgba(74,222,128,.3);
    margin-bottom:16px;display:grid;place-items:center;color:#4ade80;
    box-shadow:0 0 24px rgba(74,222,128,.4);
    animation:pop .5s cubic-bezier(.34,1.56,.64,1);
  }
  @keyframes pop{0%{transform:scale(.5);opacity:0}100%{transform:scale(1);opacity:1}}
  .success-title{font-size:28px;font-weight:800;letter-spacing:-.5px;margin-bottom:6px}
  .success-title .grad{
    background:linear-gradient(135deg,#4ade80,#22d3ee);
    -webkit-background-clip:text;background-clip:text;
    -webkit-text-fill-color:transparent;
  }
  .success-sub{font-size:14px;color:var(--ink-300)}
  .success-stats{
    display:grid;grid-template-columns:repeat(3,1fr);
    gap:12px;margin-top:20px;padding-top:20px;
    border-top:1px solid rgba(255,255,255,.06);
  }
  .stat{text-align:center}
    font-size:24px;font-weight:800;letter-spacing:-.5px;
    font-variant-numeric:tabular-nums;
    background:linear-gradient(135deg,#a78bfa,#22d3ee);
    -webkit-background-clip:text;background-clip:text;
    -webkit-text-fill-color:transparent;
  }
  .stat-lbl{font-size:11px;color:var(--ink-500);margin-top:4px;text-transform:uppercase;letter-spacing:.5px;font-weight:600}

  .actions-card{
    background:var(--bg-glass);
    backdrop-filter:var(--glass-blur);
    border:1px solid rgba(255,255,255,.1);
    border-radius:24px;padding:24px;
  }
  .actions-title{font-size:12px;color:var(--ink-500);font-weight:600;text-transform:uppercase;letter-spacing:.8px;margin-bottom:14px}
  .btn{
    display:flex;align-items:center;justify-content:center;gap:10px;
    width:100%;padding:16px;border-radius:14px;
    font-size:15px;font-weight:600;cursor:pointer;border:none;transition:all .2s ease;margin-bottom:10px;
  }
  .btn:last-child{margin-bottom:0}
  .btn-primary{
    background:linear-gradient(135deg,var(--violet-500),var(--cyan-500));
    color:#fff;
    box-shadow:0 4px 20px rgba(139,92,246,.5),
      inset 0 1px 0 rgba(255,255,255,.2);
  }
  .btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 28px rgba(139,92,246,.65)}
  .btn-secondary{
    background:rgba(255,255,255,.04);color:var(--ink-100);
    border:1px solid rgba(255,255,255,.12);
  }
  .btn-secondary:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.2)}
  .btn-meta{font-size:11px;opacity:.75;margin-left:6px;font-weight:500}

  .help-card{
    background:var(--bg-glass);
    backdrop-filter:var(--glass-blur);
    border:1px solid rgba(255,255,255,.08);
    border-radius:16px;padding:18px;
    display:flex;gap:12px;align-items:flex-start;
  }
  .help-icon{
    width:32px;height:32px;border-radius:8px;
    background:linear-gradient(135deg,var(--cyan-500),var(--violet-500));
    display:grid;place-items:center;flex-shrink:0;
    font-weight:700;font-size:14px;color:#fff;
  }
  .help-text{font-size:14px;color:var(--ink-100);line-height:1.6}
  .help-text b{color:var(--ink-100)}
  .help-text ol{margin:8px 0 0 18px;font-size:13px;color:var(--ink-300)}
  .help-text ol li{margin-bottom:4px}

  .again-row{
    display:flex;gap:16px;align-items:center;justify-content:space-between;
    padding:0 60px 60px;max-width:1280px;margin:0 auto;
  }
  .again-link{
    color:var(--violet-400);font-size:15px;text-decoration:none;
    font-weight:600;display:inline-flex;align-items:center;gap:6px;
  }
  .again-link:hover{color:var(--violet-500)}
  .share-link{color:var(--ink-500);font-size:13px;text-decoration:none}
  .share-link:hover{color:var(--ink-100)}