/* 下载页 · 保险库门闸 */
.vault-intro{padding:2rem 0;background:#f8f6f0;border-bottom:2px solid #40916c}
.vault-intro h1{font-size:clamp(1.35rem,3.5vw,1.85rem);font-weight:900;color:#1b4332;margin-bottom:.45rem}
.vault-intro p{color:#52796f;max-width:580px;font-size:.92rem}

.vault-gates{padding:2.5rem 0 3rem;background:#fff}
.gate-list{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:.75rem}
.gate-panel{display:grid;grid-template-columns:56px 1fr auto;gap:1.15rem;align-items:center;background:#f8f6f0;border:2px solid #b7e4c7;border-radius:8px;padding:1.15rem 1.25rem;transition:border-color .15s}
.gate-panel:hover{border-color:#40916c}
.gate-panel.secure{border-color:#2d6a4f;background:#d8f3dc}
.gate-lock{width:48px;height:48px;background:#2d6a4f;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.2rem;font-weight:900;flex-shrink:0}
.gate-panel.secure .gate-lock{background:#1b4332}
.gate-body h2{font-size:1.02rem;margin-bottom:.25rem;font-weight:800;color:#1b4332}
.gate-body p{font-size:.84rem;color:#52796f}
.gate-body img{margin-top:.65rem;border:1px solid #b7e4c7;border-radius:6px;max-width:180px}
.btn-gate{display:inline-block;background:#2d6a4f;color:#fff!important;padding:.55rem 1.1rem;font-weight:800;font-size:.82rem;border-radius:4px;text-decoration:none!important;white-space:nowrap}
.btn-gate:hover{background:#1b4332}

.vault-trust{padding:2rem 0;background:#1b4332;text-align:center}
.vault-trust-row{display:flex;justify-content:center;gap:2.5rem;flex-wrap:wrap;color:#d8f3dc}
.vault-trust-row strong{display:block;font-size:1.25rem;color:#95d5b2;font-weight:900}
.vault-trust-row span{font-size:.78rem;color:#b7e4c7}

.vault-faq{padding:2.5rem 0;background:#f8f6f0}
.faq-list{max-width:720px;margin:0 auto}
.faq-item{border:1px solid #b7e4c7;margin-bottom:.4rem;background:#fff;border-radius:6px;overflow:hidden}
.faq-q{width:100%;text-align:left;background:#f8f6f0;border:none;padding:1rem 1.15rem;font-size:.92rem;font-weight:700;cursor:pointer;display:flex;justify-content:space-between;color:#1b4332;font-family:inherit}
.faq-item.open .faq-q{border-left:4px solid #2d6a4f;background:#d8f3dc}
.faq-q::after{content:"+";color:#40916c}
.faq-item.open .faq-q::after{content:"−"}
.faq-a{display:none;padding:0 1.15rem 1rem;font-size:.88rem;color:#52796f}
.faq-item.open .faq-a{display:block}

@media(max-width:640px){.gate-panel{grid-template-columns:1fr;text-align:center}.gate-lock{margin:0 auto}}