.contact{max-width:720px;margin:0 auto;padding:var(--page-padding)}.contact .page-title{text-align:center;font-size:1.75rem;font-weight:700;margin:8px 0 28px;color:var(--text-color);letter-spacing:.02em}.contact .content{display:grid;grid-template-columns:1fr;grid-gap:20px;gap:20px}.contact .section{background:var(--card-bg);padding:28px 24px;border-radius:var(--radius-lg);border:1px solid var(--border-color);box-shadow:var(--shadow-sm)}.contact .section-title{font-size:1.15rem;font-weight:600;margin:0 0 16px;color:var(--text-color);padding-left:12px;border-left:3px solid var(--theme-color)}.contact .contact-tip{margin:0 0 1.25rem;padding:.75rem 1rem;font-size:.9rem;line-height:1.6;color:var(--desc-text-color);background:var(--theme-bg-color);border:1px solid var(--border-color);border-radius:var(--radius-md)}.contact .topic-label{display:block;margin-bottom:.5rem;color:var(--desc-text-color);font-size:14px}.contact .topic-chips{display:flex;flex-wrap:wrap;gap:8px}.contact .topic-chip{height:36px;padding:0 14px;border:1px solid var(--border-color);border-radius:var(--radius-pill);background:var(--input-bg);color:var(--text-color);font-size:14px;cursor:pointer;transition:color .2s ease,border-color .2s ease,background .2s ease,box-shadow .2s ease}.contact .topic-chip:hover{color:var(--theme-color);border-color:var(--theme-color);background:color-mix(in srgb,var(--theme-color) 8%,var(--input-bg))}.contact .topic-chip.active{color:var(--theme-on-color);border-color:var(--theme-color);background:var(--theme-color);box-shadow:0 4px 12px color-mix(in srgb,var(--theme-color) 28%,transparent)}.contact .contact-form .form-group{margin-bottom:1rem}.contact .contact-form .form-group label{display:block;margin-bottom:.5rem;color:var(--desc-text-color);font-size:14px}.contact .contact-form .form-group input,.contact .contact-form .form-group textarea{width:100%;padding:.75rem .9rem;border:1px solid var(--border-color);border-radius:var(--radius-md);font-size:15px;color:var(--text-color);background-color:var(--input-bg);transition:border-color .2s ease,box-shadow .2s ease}.contact .contact-form .form-group input::placeholder,.contact .contact-form .form-group textarea::placeholder{color:var(--desc-text-color)}.contact .contact-form .form-group input:focus,.contact .contact-form .form-group textarea:focus{outline:none;border-color:var(--theme-color);box-shadow:0 0 0 3px color-mix(in srgb,var(--theme-color) 16%,transparent)}.contact .contact-form .form-group textarea{resize:vertical;min-height:140px}.contact .contact-form .submit-button{width:100%;margin-top:4px;padding:.9rem;background-color:var(--theme-color);color:var(--theme-on-color);border:none;border-radius:var(--radius-md);font-size:15px;font-weight:600;cursor:pointer;transition:background-color .2s ease}.contact .contact-form .submit-button:hover:not(:disabled){background-color:var(--theme-color-hover)}.contact .contact-form .submit-button:disabled{opacity:.7;cursor:not-allowed}@media(max-width:768px){.contact{padding:16px 12px}.contact .section{padding:20px 16px}}