* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            background: #000;
            color: #fff;
            min-height: 100vh;
        }
        
        a { text-decoration: none; color: inherit; }
        
        /* Header */
        .header {
            background: #000;
            padding: 12px 15px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-bottom: 1px solid #222;
        }
        
        .logo {
            font-size: 22px;
            font-weight: 700;
        }
        
        .logo span:first-child { color: #ff6b00; }
        .logo span:last-child { color: #fff; }
        
        .back-btn {
            color: #888;
            font-size: 14px;
        }
        
        /* Main */
        .main {
            padding: 20px 15px;
            max-width: 600px;
            margin: 0 auto;
        }
        
        .page-title {
            font-size: 24px;
            color: #ff6b00;
            margin-bottom: 10px;
            text-align: center;
        }
        
        .page-desc {
            color: #888;
            font-size: 14px;
            text-align: center;
            margin-bottom: 30px;
        }
        
        /* Success Message */
        .success-box {
            background: #14532d;
            border: 1px solid #22c55e;
            border-radius: 10px;
            padding: 30px;
            text-align: center;
            margin-bottom: 20px;
        }
        
        .success-box h2 {
            color: #22c55e;
            font-size: 20px;
            margin-bottom: 10px;
        }
        
        .success-box p {
            color: #86efac;
            font-size: 14px;
        }
        
        /* Error */
        .error-box {
            background: #7f1d1d;
            border: 1px solid #dc2626;
            border-radius: 8px;
            padding: 12px 15px;
            color: #fca5a5;
            font-size: 14px;
            margin-bottom: 20px;
        }
        
        /* Form */
        .form-group {
            margin-bottom: 20px;
        }
        
        .form-label {
            display: block;
            font-size: 14px;
            color: #ccc;
            margin-bottom: 8px;
        }
        
        .form-label .required {
            color: #ff6b00;
        }
        
        .form-input, .form-select, .form-textarea {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid #333;
            border-radius: 8px;
            background: #111;
            color: #fff;
            font-size: 16px;
            transition: border-color 0.2s;
        }
        
        .form-input:focus, .form-select:focus, .form-textarea:focus {
            outline: none;
            border-color: #ff6b00;
        }
        .form-input:focus-visible, .form-select:focus-visible, .form-textarea:focus-visible {
            outline: 2px solid #ff6b00;
            outline-offset: 2px;
        }
        
        .form-textarea {
            min-height: 100px;
            resize: vertical;
        }
        
        .form-select {
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23888' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 12px center;
        }
        
        /* QR Section */
        .qr-section {
            background: #111;
            border: 1px solid #222;
            border-radius: 10px;
            padding: 15px;
            margin-bottom: 20px;
        }
        
        .qr-section h3 {
            font-size: 14px;
            color: #ff6b00;
            margin-bottom: 12px;
        }
        
        .qr-row {
            display: flex;
            gap: 10px;
            align-items: center;
        }
        
        .qr-row .form-input {
            flex: 1;
        }
        
        .qr-upload-btn {
            padding: 12px 15px;
            background: #222;
            border: 1px solid #333;
            border-radius: 8px;
            color: #888;
            font-size: 12px;
            cursor: pointer;
            white-space: nowrap;
        }
        
        .file-input {
            display: none;
        }
        
        .qr-preview {
            margin-top: 10px;
        }
        
        .qr-preview img {
            max-width: 100px;
            max-height: 100px;
            border-radius: 8px;
        }
        
        /* Submit */
        .submit-btn {
            width: 100%;
            padding: 15px;
            background: #ff6b00;
            color: #000;
            border: none;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
        }
        
        .submit-btn:hover {
            background: #ff8533;
        }
        
        /* Info Box */
        .info-box {
            background: #111;
            border: 1px solid #222;
            border-radius: 10px;
            padding: 20px;
            margin-top: 30px;
        }
        
        .info-box h3 {
            color: #ff6b00;
            font-size: 16px;
            margin-bottom: 15px;
        }
        
        .info-box ul {
            list-style: none;
            color: #aaa;
            font-size: 13px;
            line-height: 1.8;
        }
        
        .info-box ul li::before {
            content: '✓ ';
            color: #ff6b00;
        }
        
        /* Footer */
        
        /* PC View */
        @media (min-width: 768px) {
            body {
                max-width: 480px;
                margin: 0 auto;
            }
        }