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var(--color-border)}.user-sidebar__header{padding:16px;text-align:center}.user-sidebar__footer{padding:16px;position:absolute;bottom:16px;left:0;right:0}.user-mobile-bar{height:56px;display:flex;align-items:center;justify-content:space-between;padding:0 12px;background:#fff;border-bottom:1px solid var(--color-border);position:sticky;top:0;z-index:10}.user-content{padding:var(--spacing-lg);background:var(--color-bg);min-height:100vh}.purchase-page{max-width:640px;margin:0 auto}.purchase-card{background:var(--color-card);border-radius:var(--radius-xl);padding:var(--spacing-2xl);box-shadow:var(--shadow-md)}.order-detail-page{max-width:800px;margin:0 auto}.detail-info-row,.mobile-summary-row{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}.purchase-price{display:flex;align-items:baseline;gap:var(--spacing-xs);margin:var(--spacing-md) 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var(--transition-normal);cursor:pointer}.cert-card:hover{box-shadow:var(--shadow-glow);border-color:var(--color-primary);transform:translateY(-2px)}.cert-card__number{font-size:18px;font-weight:700;color:var(--color-primary-dark);font-family:Courier New,monospace}.cert-card__date{font-size:13px;color:var(--color-text-muted);margin-top:var(--spacing-xs)}@media (max-width: 768px){.portal-header__inner,.container,.portal-footer__inner{padding-left:var(--spacing-md);padding-right:var(--spacing-md)}.portal-header__logo .logo-text{font-size:16px;letter-spacing:0}.portal-footer__inner{flex-direction:column;align-items:flex-start;gap:20px}.portal-footer__right{flex-wrap:wrap;gap:12px 18px}.hero-section,.hero-slide{height:46vh;min-height:320px}.hero-slide__content{padding:calc(var(--header-height) + 48px) var(--spacing-md) 48px}.hero-slide__title{font-size:28px;max-width:100%}.intro-section,.news-section,.notice-section{padding:40px 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