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a{display:flex;align-items:center;gap:10px}.contact-info svg{width:22px;fill:none;stroke:var(--green);stroke-width:1.6}.contact-info span{display:flex;flex-direction:column}.contact-info small{font-size:9px;color:rgba(255,255,255,.38)}.contact-info strong{font-size:12px}.contact-form{display:flex;flex-direction:column;gap:15px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:15px}.contact-form label{font-size:11px;color:rgba(255,255,255,.58)}.contact-form input,.contact-form textarea{display:block;width:100%;margin-top:6px;padding:12px 14px;background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.14);border-radius:2px;color:#fff;outline:none;transition:.2s;resize:vertical}.contact-form input:focus,.contact-form textarea:focus{border-color:var(--green);background:rgba(255,255,255,.08)}.contact-form input::placeholder,.contact-form textarea::placeholder{color:rgba(255,255,255,.28)}.checkbox{display:flex;align-items:center;gap:8px}.checkbox 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div{display:flex;gap:25px}.back-top{position:fixed;right:24px;bottom:24px;width:42px;height:42px;border:0;background:var(--green);color:var(--navy);z-index:15;cursor:pointer;opacity:0;visibility:hidden;transform:translateY(10px);transition:.25s}.back-top.show{opacity:1;visibility:visible;transform:none}.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}.reveal.visible{opacity:1;transform:none}.delay-1{transition-delay:.12s}.delay-2{transition-delay:.24s}
@media(max-width:980px){.main-nav{gap:18px}.hero{min-height:auto;padding-top:140px}.hero-layout{grid-template-columns:1fr}.hero-copy{max-width:680px}.hero-visual{width:min(100%,600px);margin:auto}.stats{margin-top:60px}.service-grid{grid-template-columns:1fr 1fr}.service-card:nth-child(2){border-right:0}.service-card:nth-child(-n+2){border-bottom:1px solid var(--line)}.advantage-layout,.about-layout{gap:55px}.advantage-layout{grid-template-columns:1fr}.faq-layout{gap:50px}.contact-shell{gap:50px}.footer-top{grid-template-columns:1fr;gap:40px}}
@media(max-width:760px){.container{width:min(calc(100% - 32px),var(--container))}.site-header{height:70px}.nav-cta{display:none}.menu-toggle{display:block;z-index:2}.menu-toggle[aria-expanded=true] span:first-child{transform:translateY(4px) rotate(45deg)}.menu-toggle[aria-expanded=true] span:last-child{transform:translateY(-4px) rotate(-45deg)}.main-nav{position:fixed;inset:0;background:var(--navy);display:flex;flex-direction:column;justify-content:center;gap:26px;transform:translateX(100%);transition:.3s}.main-nav.open{transform:none}.main-nav a{font-size:22px}.hero{padding-top:125px}.hero-layout{gap:30px}.hero h1{font-size:45px}.hero-lead{font-size:15px}.hero-actions{align-items:flex-start;flex-direction:column;gap:15px}.trust-line{flex-wrap:wrap;margin-top:35px}.hero-visual{min-height:400px}.main-card{inset:20px 0 20px 0;padding:24px 20px}.float-one{right:-10px}.float-two{left:-8px}.stats{grid-template-columns:1fr 1fr}.stats>div:nth-child(2){border-right:0}.stats>div:nth-child(-n+2){border-bottom:1px solid rgba(255,255,255,.11)}.section{padding:80px 0}.section-heading{display:block}.section-heading>p{width:auto;margin-top:20px}.service-grid{grid-template-columns:1fr}.service-card{border-right:0!important;border-bottom:1px solid var(--line)!important}.service-card:last-child{border-bottom:0!important}.advantage-list{grid-template-columns:1fr}.process-line{grid-template-columns:1fr 1fr;gap:35px 15px}.process-line:before{display:none}.process-step:last-child{grid-column:1/-1}.about-layout,.faq-layout,.contact-shell{grid-template-columns:1fr}.about-art{height:380px}.art-circle{width:230px;height:230px;left:calc(50% - 115px);top:70px}.about-copy{order:-1}.faq-layout{gap:35px}.contact-section{background:var(--navy);padding:75px 0}.contact-info{flex-direction:column;gap:16px}.form-row{grid-template-columns:1fr}.footer-links{grid-template-columns:1fr 1fr}.footer-links .address{grid-column:1/-1}.footer-bottom{align-items:flex-start;gap:10px;flex-direction:column}.footer-bottom div{gap:8px;flex-direction:column}.chart{height:145px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal{opacity:1;transform:none;transition:none}.chart-line{animation:none;stroke-dashoffset:0}}

@media(max-width:760px){
  .site-header.menu-active{height:100dvh;background:var(--navy);backdrop-filter:none}
  .site-header.menu-active .nav-wrap{height:70px}
  .site-header.menu-active .main-nav{height:100dvh;min-height:100dvh}
}

/* 页脚文字可读性优化 */
.footer-brand>p{font-size:14px}
.footer-links h4{font-size:13px}
.footer-links a,.footer-links p{font-size:13px}
.footer-bottom{font-size:11px}