/* 项目咨询区 */
.project-cta { background: #1c319e; color: #fff; }
.project-cta-content { max-width: 1390px; min-height: 130px; margin: 0 auto; padding: 28px 0; display: flex; align-items: center; justify-content: space-between; gap: 60px; }
.project-cta-copy h2 { margin: 0; font-size: 24px; font-weight: 700; line-height: 1.25; }
.project-cta-copy p { margin: 12px 0 0; font-size: 15px; line-height: 1.35; }
.project-cta-form { display: flex; align-items: flex-start; gap: 10px; min-width: 690px; }
.project-cta-fields { flex: 1; }
.project-cta-fields > input { width: 100%; height: 46px; padding: 0 18px; border: 0; border-radius: 24px; color: #1e293b; font: inherit; font-size: 15px; outline: none; }
.project-cta-fields > input::placeholder { color: #64748b; }
.project-cta-consent { display: flex; align-items: center; gap: 9px; margin-top: 8px; color: #fff; font-size: 15px; line-height: 1.25; cursor: pointer; }
.project-cta-consent input { width: 18px; height: 18px; margin: 0; accent-color: #fff; }
.project-cta-form button { height: 46px; padding: 0 18px; border: 0; border-radius: 24px; background: #fff; color: #172554; font-size: 12px; font-weight: 700; cursor: pointer; white-space: nowrap; transition: background .2s ease, color .2s ease; }
.project-cta-form button:hover { background: #dbeafe; color: #173fc0; }

/* 页脚 */
.footer { background: white; color: #202420; padding: 70px 0 0; }
.footer-content { max-width: 1800px; margin: 0 auto 40px; padding: 0 20px; display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; }
.footer-section h3 { font-size: 18px; margin-bottom: 20px; color: #111; letter-spacing: 1px; }
.footer-section p { font-size: 16px; color: #222; line-height: 1.9; margin-bottom: 15px; }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: #222; text-decoration: none; font-size: 16px; transition: color .3s; }
.footer-links a:hover { color: #173fc0; }
.footer-bottom { max-width: 1800px; margin: 0 auto; padding: 20px 20px 16px; border-top: 1px solid #e5e7eb; display: flex; justify-content: space-between; align-items: center; }

.footer-top-button { position: fixed; right: 28px; bottom: 84px; z-index: 20; width: 48px; height: 48px; padding: 0; border: 0; border-radius: 50%; background: #173fc0; color: #fff; font-size: 26px; font-weight: 700; line-height: 1; cursor: pointer; box-shadow: 0 6px 16px rgba(23, 63, 192, .25); transition: background .25s ease, transform .25s ease, box-shadow .25s ease; }
.footer-top-button:hover { background: #0f172a; box-shadow: 0 8px 20px rgba(15, 23, 42, .28); transform: translateY(-3px); }
.footer-top-button:focus-visible { outline: 3px solid rgba(23, 63, 192, .28); outline-offset: 3px; }

.payment-methods { display: flex; gap: 10px; }
.payment-methods img { height: 30px; }
.footer-socials { display: flex; gap: 10px; margin-top: 16px; }
.footer-socials span { width: 34px; height: 34px; border-radius: 50%; display: flex; align-items: center; justify-content: center; background: #f1f3f5; color: #161616; line-height: 1; }
.footer-socials svg { width: 16px; height: 16px; fill: currentColor; stroke: currentColor; stroke-width: 1.8; }
.footer-socials .social-youtube svg { width: 17px; height: 17px; stroke: none; }
.footer-socials .social-instagram svg rect, .footer-socials .social-instagram svg circle:first-of-type { fill: none; }
.footer-socials .social-instagram svg circle:last-of-type { fill: currentColor; }

@media (max-width: 768px) {
	.project-cta-content { min-height: 0; padding: 32px 20px; display: block; }
	.project-cta-copy h2 { font-size: 22px; }
	.project-cta-copy p { font-size: 14px; }
	.project-cta-form { min-width: 0; margin-top: 24px; display: block; }
	.project-cta-form button { width: 100%; margin-top: 16px; }
	.project-cta-consent { font-size: 13px; }
	.footer-content { grid-template-columns: 1fr; }
	.footer-bottom { min-height: 150px; padding: 20px; flex-direction: column; gap: 14px; }
	.footer-bottom .footer-socials, .payment-methods { position: static; }
	.footer-top-button { right: 20px; bottom: 84px; }
}