:root{--primary: #1287E3;--primary-hover: #0f6ec0;--bg: #F0F6FC;--bg-card: #FFFFFF;--text: #1A2332;--text-muted: #6B7B8D;--border: #d0dbe8;--success: #0D9B5C;--success-bg: #ecfdf5;--danger: #D93025;--danger-bg: #fef2f2;--shadow-sm: 0 1px 2px rgba(26, 35, 50, .04);--shadow-md: 0 4px 12px rgba(26, 35, 50, .08);--shadow-lg: 0 12px 24px rgba(26, 35, 50, .1);--shadow-primary: 0 4px 14px rgba(18, 135, 227, .35);--radius-sm: 6px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--font-sans: "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;line-height:1.5}.page{min-height:100vh;display:flex;flex-direction:column}.header{position:sticky;top:0;z-index:50;height:64px;background:var(--bg-card);border-bottom:1px solid var(--border)}.header-inner{max-width:1200px;height:100%;margin:0 auto;padding:0 clamp(1rem,3vw,2rem);display:flex;align-items:center;justify-content:space-between}.logo-link{display:flex;align-items:center;gap:10px;text-decoration:none}.logo-img{height:32px;width:32px;object-fit:contain}.logo-text{font-size:18px;font-weight:700;color:var(--text);letter-spacing:-.01em}.header-label{font-size:14px;color:var(--text-muted)}.main{flex:1;display:flex;align-items:flex-start;justify-content:center;padding:2.5rem clamp(1rem,3vw,2rem)}.card{background:var(--bg-card);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);padding:3rem 2rem;text-align:center;min-width:300px;max-width:420px;width:100%}.card-title{font-size:1.5rem;font-weight:700;color:var(--text);margin-bottom:.75rem}.card-text{color:var(--text-muted);font-size:.9375rem;margin-bottom:1.5rem}.checkout-wrapper{width:100%;max-width:480px}.paddle-checkout{width:100%}.spinner{width:40px;height:40px;border:3px solid var(--border);border-left-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite;margin:0 auto 1.25rem}@keyframes spin{to{transform:rotate(360deg)}}.icon-circle{width:64px;height:64px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 1.5rem}.icon-success{background:var(--success-bg);color:var(--success)}.icon-error{background:var(--danger-bg);color:var(--danger)}.plan-badge{display:inline-block;background:#eef4fb;color:var(--primary);font-weight:600;font-size:.875rem;padding:4px 14px;border-radius:20px;margin-bottom:1rem}.btn-primary{display:inline-block;background:var(--primary);color:#fff;border:none;padding:.875rem 2rem;border-radius:var(--radius-md);font-size:1rem;font-weight:600;font-family:var(--font-sans);cursor:pointer;transition:all .15s ease-out;box-shadow:var(--shadow-primary)}.btn-primary:hover{background:var(--primary-hover);transform:translateY(-1px);box-shadow:0 6px 20px #1287e366}.support-link{color:var(--primary);font-weight:600;font-size:.9375rem;text-decoration:none}.support-link:hover{text-decoration:underline}.footer{text-align:center;padding:1.5rem clamp(1rem,3vw,2rem);border-top:1px solid var(--border);background:var(--bg-card)}.footer p{color:var(--text-muted);font-size:.75rem;margin-bottom:4px}.footer a{color:var(--text-muted);font-size:.75rem;text-decoration:none}.footer a:hover{color:var(--primary)}