/* 纳海川智能体服务。页面独立作用域，兼容旧 PC 与 Materialize 移动模板。 */
.agent-v2{--av-blue:#2563eb;--av-ink:#0f172a;--av-copy:#475569;--av-muted:#64748b;--av-line:#dde4ec;--av-soft:#f8fafc;color:var(--av-ink);background:#fff;font-family:var(--font-sans,"Microsoft YaHei",sans-serif);font-size:16px;line-height:1.8;overflow-wrap:break-word;-webkit-font-smoothing:antialiased}
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.av-hero-intro{display:grid;grid-template-columns:1.12fr 1fr;gap:10%;align-items:end;margin-bottom:44px}.agent-v2 h1{font-size:clamp(40px,4.4vw,66px);letter-spacing:2px;margin:14px 0 10px}.av-hero-sub{font-size:23px;color:var(--av-copy);letter-spacing:1px}.av-hero-copy{padding-bottom:4px}.av-hero-copy>p{color:var(--av-copy);font-size:15px;line-height:1.95;max-width:450px}.av-actions{display:flex;align-items:center;gap:27px;flex-wrap:wrap;margin-top:25px}.av-btn{display:inline-flex;align-items:center;justify-content:center;gap:28px;min-height:50px;padding:12px 23px;color:#fff!important;background:var(--av-blue);font-size:14px;border-radius:4px;cursor:pointer}.av-btn:hover{background:#1d4ed8}.av-btn svg{width:20px;height:20px;stroke-width:1.6}.av-link{display:inline-flex;align-items:center;gap:16px;min-height:44px;font-size:13px;color:var(--av-copy)}.av-link:hover{color:var(--av-blue)}
.av-panorama{position:relative;background:#f1f4f7;overflow:hidden;border-radius:4px}.av-panorama picture,.av-courtyard picture{display:block}.av-panorama img{display:block;width:100%;height:380px;object-fit:cover;object-position:50% 59%}.av-panorama figcaption{position:absolute;bottom:0;left:0;display:flex;justify-content:space-between;width:100%;padding:22px 28px;color:var(--av-copy);font-size:11px;letter-spacing:1.5px;background:linear-gradient(transparent,#f8fafce8)}
.av-index{border-bottom:1px solid var(--av-line);padding:13px 0;background:#fff}.av-index nav{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}.av-index a{display:inline-flex;align-items:center;gap:12px;min-height:48px;color:var(--av-copy);font-size:13px}.av-index a span{color:var(--av-blue);font-size:11px}.av-index a:hover{color:var(--av-blue)}
.av-section{padding:100px 0}.av-soft{background:var(--av-soft)}.av-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:60px;margin-bottom:46px}.agent-v2 h2{font-size:34px;letter-spacing:.6px}.av-heading h2{margin-top:14px}.av-heading>p{font-size:14px;color:var(--av-copy);max-width:335px;line-height:1.95}.av-scenarios{border-top:1px solid var(--av-line)}.av-scenarios article{display:grid;grid-template-columns:40px 1.05fr 1.35fr .65fr;align-items:center;gap:27px;padding:32px 0;border-bottom:1px solid var(--av-line)}.av-no{font-family:Georgia,serif;font-size:18px;color:var(--av-blue);align-self:start;padding-top:3px}.av-context{display:block;color:var(--av-muted);font-size:12px;margin-top:10px}.av-scenarios article>p{font-size:14px;color:var(--av-copy);line-height:1.95}.av-output{font-size:11px;letter-spacing:.5px;color:var(--av-muted);border-left:1px solid var(--av-line);padding-left:27px}.av-output>span{display:block;font-size:12px;color:var(--av-copy);margin-top:7px;letter-spacing:0}
.av-build-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:48px}.av-build-grid article{border-top:1px solid #cbd8e9;padding-top:29px}.av-build-grid svg{width:43px;height:43px;color:var(--av-blue);margin-bottom:23px}.av-build-grid h3{margin-bottom:15px}.av-build-grid p{font-size:15px;color:var(--av-copy);line-height:1.95}.av-build-grid ul{padding:23px 0 0;list-style:none;font-size:13px;color:var(--av-copy)}.av-build-grid li{padding:5px 0 5px 16px;position:relative}.av-build-grid li:before{content:"";position:absolute;left:0;top:16px;width:4px;height:4px;background:var(--av-blue)}.av-evaluation{display:flex;align-items:center;gap:30px;border-top:1px solid var(--av-line);margin-top:42px;padding-top:25px}.av-evaluation strong{font-size:14px;font-weight:500;flex-shrink:0}.av-evaluation p{color:var(--av-copy);font-size:13px;max-width:595px}.av-evaluation a{margin-left:auto;white-space:nowrap}
.av-governance{display:grid;grid-template-columns:1fr 1fr;gap:9%;align-items:center}.av-courtyard{position:relative;overflow:hidden;border-radius:4px;background:var(--av-soft)}.av-courtyard img{display:block;width:100%;height:auto;aspect-ratio:1;object-fit:cover}.av-courtyard figcaption{position:absolute;left:20px;bottom:20px;padding:9px 14px;border-radius:4px;background:#fffffff0;font-size:11px;letter-spacing:1px;color:var(--av-copy)}.av-governance h2{margin:15px 0 19px;font-size:39px}.av-intro{font-size:15px;line-height:1.95;color:var(--av-copy)}.av-governance dl{margin-top:25px}.av-governance dl>div{display:grid;grid-template-columns:75px 1fr;gap:20px;padding:17px 0;border-top:1px solid var(--av-line)}.av-governance dt{font-size:14px;font-weight:500}.av-governance dd{font-size:13px;color:var(--av-copy);line-height:1.9}.av-deploy-compare{display:grid;grid-template-columns:1fr 1fr;gap:56px;margin-top:43px}.av-deploy-compare article{display:grid;grid-template-columns:145px 1fr;gap:25px;border-top:1px solid var(--av-line);padding-top:25px}.av-deploy-compare .av-kicker{font-size:9px;letter-spacing:1px;display:block;margin-bottom:9px}.av-deploy-compare h3{font-size:21px;font-family:var(--font-serif,"SimSun",serif)}.av-deploy-compare p{color:var(--av-copy);font-size:13px;line-height:1.95}
.av-process{display:grid;grid-template-columns:repeat(4,1fr);list-style:none;padding:0;gap:35px}.av-process li{border-top:1px solid #cbd8e9;padding-top:20px;position:relative}.av-process li:before{content:"";width:5px;height:5px;position:absolute;top:-3px;left:0;border-radius:50%;background:var(--av-blue)}.av-process li>span{font-family:Georgia,serif;color:var(--av-blue);font-size:17px}.av-process h3{font-size:19px;margin:23px 0 12px}.av-process p{font-size:14px;color:var(--av-copy);line-height:1.9}.av-process small{display:block;color:var(--av-muted);font-size:12px;margin-top:22px}.av-delivery{display:grid;grid-template-columns:1fr 1fr;gap:50px;background:#fff;border:1px solid var(--av-line);border-radius:4px;padding:32px 36px;margin-top:45px}.av-delivery .av-kicker{font-size:11px}.av-delivery h3{font-size:20px;margin:10px 0}.av-delivery p:not(.av-kicker){font-size:12px;color:var(--av-muted)}.av-delivery ul{list-style:none;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:16px;align-content:center}.av-delivery li{font-size:12px;color:var(--av-copy);padding-left:12px;border-left:2px solid #adc7f7}
.av-faq-grid{display:grid;grid-template-columns:4fr 7fr;gap:8%}.av-faq-grid h2{margin-top:15px}.av-faq-note{font-size:14px;color:var(--av-copy);max-width:260px;margin-top:24px!important}.av-faq-list{border-top:1px solid var(--av-line)}.av-faq-list details{border-bottom:1px solid var(--av-line)}.av-faq-list summary{display:flex;align-items:center;justify-content:space-between;gap:22px;min-height:76px;padding:20px 0;list-style:none;cursor:pointer;font-size:16px;font-weight:500}.av-faq-list summary::-webkit-details-marker{display:none}.av-faq-list summary>span{position:relative;width:16px;height:16px;flex-shrink:0}.av-faq-list summary>span:before,.av-faq-list summary>span:after{position:absolute;content:"";width:12px;height:1px;left:2px;top:8px;background:var(--av-blue)}.av-faq-list summary>span:after{transform:rotate(90deg);transition:transform .2s}.av-faq-list details[open] summary>span:after{transform:rotate(0deg)}.av-faq-list details p{color:var(--av-copy);font-size:14px;padding:0 25px 25px 0;line-height:1.95}
.av-contact{background:#eef3fa;border-top:1px solid #dce5f1;padding:58px 0}.av-contact>.av-wrap{display:grid;grid-template-columns:1.12fr 1fr;gap:10%;align-items:center}.av-contact h2{font-size:38px;margin-top:14px}.av-contact p:not(.av-kicker){color:var(--av-copy);font-size:14px;line-height:1.95}.av-contact .av-btn{margin-top:25px}
@media(min-width:1600px){.av-hero{padding-top:120px}.av-panorama img{height:410px}}
@media(max-width:1023px){.av-hero-intro{gap:35px;grid-template-columns:1.1fr 1fr}.agent-v2 h1{font-size:45px}.av-hero-sub{font-size:20px}.av-actions{gap:16px}.av-heading{gap:32px}.av-heading>p{max-width:270px}.agent-v2 h2{font-size:29px}.av-scenarios article{grid-template-columns:28px 1fr 1.3fr;gap:20px}.av-output{display:none}.av-build-grid{gap:28px}.av-governance{gap:35px}.av-governance h2{font-size:33px}.av-deploy-compare{gap:30px}.av-deploy-compare article{grid-template-columns:1fr;gap:15px}.av-process{grid-template-columns:repeat(2,1fr);gap:35px}.av-delivery{grid-template-columns:1fr;gap:25px}.av-evaluation{flex-wrap:wrap;gap:12px 25px}.av-evaluation p{flex:1}.av-evaluation a{margin-left:0}.av-faq-grid{gap:35px}.av-contact h2{font-size:32px}}
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@media(max-width:374px){.av-wrap{padding:0 18px}.agent-v2 h1{font-size:35px}.av-actions{gap:13px}.av-btn{gap:15px;padding:12px 16px}.av-process{grid-template-columns:1fr}.av-index nav{gap:0 17px}}
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