*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background-color:#f0f2ff;color:#1a1a2e;min-height:100vh;font-weight:500}.page{display:flex;flex-direction:column;min-height:100vh}.page-content{flex:1;padding:32px 16px 16px;display:flex;flex-direction:column;gap:12px}.app-header{background:#fff;border-bottom:1px solid #E2E4F0;padding:32px 16px 14px;display:flex;align-items:center}.app-header--back{gap:12px;position:relative}.app-title{font-size:17px;font-weight:600;color:#6c5ce7;position:absolute;left:50%;transform:translate(-50%)}.btn-back{background:none;border:none;color:#6c5ce7;font-size:15px;cursor:pointer;padding:0}.section-label{font-size:13px;color:#7b7b9a;text-transform:uppercase;letter-spacing:.5px;margin-top:8px;text-align:center}.balance-card{background:#fff;border-radius:20px;box-shadow:0 4px 20px #6c5ce71f;padding:36px 24px;display:flex;flex-direction:column;align-items:center;gap:6px}.balance-number{font-size:56px;font-weight:700;color:#6c5ce7;line-height:1}.balance-unit{font-size:15px;color:#7b7b9a}.btn-center{display:flex;justify-content:center;width:100%}.btn-primary{background:linear-gradient(135deg,#6c5ce7,#a29bfe);color:#fff;border:none;border-radius:14px;height:52px;width:100%;font-size:16px;font-weight:600;cursor:pointer;transition:opacity .15s,transform .1s;letter-spacing:.2px}.btn-primary:active{opacity:.85;transform:scale(.98)}.btn-select{background:linear-gradient(135deg,#6c5ce7,#a29bfe);color:#fff;border:none;border-radius:12px;padding:11px 26px;font-size:15px;font-weight:500;cursor:pointer;transition:opacity .15s;white-space:nowrap}.btn-select:active{opacity:.85}.package-card{background:#fff;border:1.5px solid #E2E4F0;border-radius:16px;box-shadow:0 2px 8px #6c5ce70f;padding:16px;position:relative}.package-card--popular{border-color:#6c5ce7}.popular-badge{position:absolute;top:-1px;right:12px;background:linear-gradient(135deg,#6c5ce7,#a29bfe);color:#fff;font-size:11px;font-weight:600;padding:3px 8px;border-radius:0 0 8px 8px}.package-card__header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.package-card__title{font-size:16px;font-weight:600;color:#1a1a2e}.package-card__price{font-size:16px;font-weight:700;color:#6c5ce7}.package-card__footer{display:flex;justify-content:space-between;align-items:center}.package-card__amount{font-size:14px;color:#7b7b9a}.stub-notice{text-align:center;font-size:13px;color:#7b7b9a;line-height:1.6;margin-top:8px}.spinner{width:36px;height:36px;border:3px solid #E2E4F0;border-top-color:#6c5ce7;border-radius:50%;animation:spin .7s linear infinite;margin:120px auto auto}@keyframes spin{to{transform:rotate(360deg)}}.error-text{text-align:center;color:#7b7b9a;margin-top:40px;font-size:15px}