.portal-container{min-height:100vh;background:#f5f5f7;color:#1d1d1f;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}.portal-header{background:rgba(255,255,255,.8);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid rgba(0,0,0,.1);position:sticky;top:0;z-index:100;justify-content:space-between;padding:0 48px;height:64px}.portal-header,.portal-logo{display:flex;align-items:center}.portal-logo{font-size:20px;font-weight:600;letter-spacing:-.5px;gap:8px;color:#1d1d1f;text-decoration:none}.portal-nav{display:flex;gap:24px}.portal-nav a{color:#1d1d1f;text-decoration:none;font-size:14px;opacity:.8;transition:opacity .2s}.portal-nav a:hover{opacity:1}.portal-hero{padding:80px 24px;text-align:center;background:linear-gradient(180deg,#ffffff,#f5f5f7)}.portal-hero h1{font-size:48px;font-weight:700;letter-spacing:-1px;margin-bottom:16px}.portal-hero p{font-size:20px;color:#86868b;margin-bottom:40px}.portal-search-bar{max-width:600px;margin:0 auto;position:relative}.portal-search-bar input{width:100%;padding:20px 24px 20px 56px;font-size:18px;border:none;border-radius:32px;background:#ffffff;box-shadow:0 4px 24px rgba(0,0,0,.04);outline:none;transition:box-shadow .2s,transform .2s}.portal-search-bar input:focus{box-shadow:0 8px 32px rgba(0,0,0,.08);transform:translateY(-2px)}.portal-search-icon{position:absolute;left:20px;top:50%;transform:translateY(-50%);color:#86868b}.portal-content{max-width:1200px;margin:0 auto;padding:48px 24px;display:grid;grid-template-columns:2fr 1fr;gap:48px}.portal-section-title{font-size:24px;font-weight:600;margin-bottom:24px;letter-spacing:-.5px}.portal-categories{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}.portal-card{background:#ffffff;border-radius:20px;padding:24px;box-shadow:0 2px 12px rgba(0,0,0,.03);transition:transform .2s,box-shadow .2s;text-decoration:none;color:inherit;display:flex;flex-direction:column;gap:12px}.portal-card:hover{transform:translateY(-4px);box-shadow:0 8px 24px rgba(0,0,0,.06)}.portal-card-icon{width:48px;height:48px;border-radius:12px;background:#f5f5f7;display:flex;align-items:center;justify-content:center;color:#0066cc}.portal-card h3{font-size:18px;font-weight:600;margin:0}.portal-card p{font-size:14px;color:#86868b;margin:0;line-height:1.4}.portal-tickets{background:#ffffff;border-radius:20px;padding:24px;box-shadow:0 2px 12px rgba(0,0,0,.03)}.portal-ticket-item{display:flex;justify-content:space-between;align-items:center;padding:16px 0;border-bottom:1px solid #f5f5f7}.portal-ticket-item:last-child{border-bottom:none}.portal-ticket-info h4{margin:0 0 4px;font-size:14px;font-weight:600}.portal-ticket-info p{margin:0;font-size:12px;color:#86868b}.portal-ticket-status{padding:4px 12px;border-radius:12px;font-size:12px;font-weight:500}.status-new{background:#e3f2fd;color:#1976d2}.status-active{background:#e8f5e9;color:#2e7d32}.status-closed{background:#f5f5f7;color:#86868b}.portal-article{background:#ffffff;border-radius:20px;padding:48px;box-shadow:0 2px 12px rgba(0,0,0,.03);margin-bottom:48px}.portal-article h1{font-size:32px;margin-bottom:16px;letter-spacing:-.5px}.portal-meta{display:flex;gap:16px;color:#86868b;font-size:14px;margin-bottom:32px;padding-bottom:24px;border-bottom:1px solid #f5f5f7}.portal-body{font-size:16px;line-height:1.6;color:#1d1d1f}.portal-checkout-form{display:flex;flex-direction:column;gap:24px;margin-top:32px}.portal-form-group{display:flex;flex-direction:column;gap:8px}.portal-form-group label{font-size:14px;font-weight:500}.portal-form-group textarea{padding:16px;border:1px solid #d2d2d7;border-radius:12px;font-size:16px;font-family:inherit;resize:vertical;outline:none;transition:border-color .2s}.portal-form-group textarea:focus{border-color:#0066cc}.portal-btn-primary{background:#0066cc;color:white;border:none;border-radius:20px;padding:12px 24px;font-size:16px;font-weight:500;cursor:pointer;transition:background .2s;align-self:flex-start}.portal-btn-primary:hover{background:#0055aa}