@charset "UTF-8";
:root{--blue:#165dff;--hover:#004ee6;--navy:#0c2044;--muted:#64799f;--line:#e0e9f9;--light:#f4f7fe}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:#f4f7fe;color:var(--navy);font-family:"Microsoft YaHei","PingFang SC",system-ui,sans-serif;line-height:1.65}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;cursor:pointer;border:0}a,button,summary{touch-action:manipulation}button,a,summary,textarea{outline-offset:5px}button:focus-visible,a:focus-visible,summary:focus-visible,textarea:focus-visible{outline:3px solid #0fc6c0}button{background:transparent}img{display:block;width:100%;height:auto}h1,h2,h3,p,figure{margin:0}h1,h2,h3{line-height:1.35}h2{font-size:29px}h3{font-size:22px}[hidden]{display:none!important}.wrap{width:min(1180px,calc(100% - 64px));margin:auto}.masthead{position:absolute;top:0;left:0;right:0;z-index:2;color:#fff}.nav{display:flex;justify-content:space-between;align-items:center;height:104px;gap:20px}.brand{font-size:30px;font-weight:750;white-space:nowrap}.brand span{font-size:23px;font-weight:600}.nav nav{display:flex;align-items:center;gap:12px;padding:7px 16px;border:1px solid #ffffff15;background:#ffffff14;backdrop-filter:blur(12px);border-radius:18px}.nav nav a,.nav nav button{padding:8px 12px;font-size:14px;white-space:nowrap}.nav .current{color:#5ca2ff;border-bottom:2px solid #3386ff}.nav nav a:hover,.nav nav button:hover{color:#9bcaff}.hero{padding:122px 0 30px;background:linear-gradient(135deg,#0f172a,#253f64);color:#fff}.hero-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:38px;align-items:center}.hero h1{font-size:clamp(32px,4.6vw,57px);font-weight:750;letter-spacing:-1.5px}.accent{width:62px;height:4px;background:#0fc6c0;margin:25px 0}.hero-copy>p{font-size:24px;color:#dce6f5}.hero-link{display:inline-block;margin-top:26px;font-size:13px;color:#acc6e7;border-bottom:1px solid #acc6e750;padding-bottom:4px}.hero-picture{padding:0;position:relative;overflow:hidden;border-radius:12px;background:#fff}.hero-picture img{aspect-ratio:1.2;object-fit:contain}.photo-caption{position:absolute;bottom:12px;right:12px;color:#64799f;background:#fffffff0;font-size:11px;padding:4px 10px;border-radius:4px}.content{padding-top:24px;padding-bottom:24px}.section-title{display:flex;align-items:center;justify-content:space-between;gap:20px;background:#ffffffd9;border:1px solid white;border-radius:16px;padding:25px 32px;margin-bottom:4px}.section-title p{font-size:12px;color:#748aad;letter-spacing:2px}.panel{background:#fff;border:1px solid #edf2fb;border-radius:16px;padding:26px 28px}.panel-title{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:18px}.panel-title h2,.panel-title h3{border-left:5px solid var(--blue);padding-left:16px;font-size:24px}.panel-title>span{color:#8192ae;font-size:12px}.sequence{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.sequence figure{min-width:0}.sequence button{padding:0;display:block;width:100%;border-radius:9px;overflow:hidden;background:#f4f7fe}.sequence img{aspect-ratio:1;object-fit:contain;transition:transform .3s}.sequence button:hover img{transform:scale(1.035)}figcaption{padding:13px 8px;text-align:center;background:#f0f6ff;border-radius:0 0 7px 7px}figcaption b{font-size:19px;color:#1552bc}figcaption span{display:block;font-size:11px;margin-top:5px;color:#7387a6}.note{font-size:11px;line-height:1.9;color:#7c8ba2;margin-top:16px}.gallery{margin-top:18px}.filters{display:flex;gap:8px;margin-bottom:18px;flex-wrap:wrap}.filters button{font-size:12px;background:#f4f7fe;color:#64799f;padding:6px 14px;border:1px solid #e3ebf7;border-radius:5px}.filters .active{background:var(--blue);color:#fff;border-color:var(--blue)}.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.case-card{padding:16px 12px 12px;background:#f3f7fe;border-radius:9px;min-width:0}.case-card h3{font-size:22px}.case-card>p{font-size:14px;color:var(--muted);margin-top:3px}.card-picture{display:block;width:100%;padding:0;position:relative;border-radius:8px;overflow:hidden;margin-top:16px;background:#fff}.card-picture img{aspect-ratio:1.05;object-fit:cover;transition:transform .3s}.card-picture:hover img{transform:scale(1.025)}.card-picture.diagram img{object-fit:contain;padding:12px}.badge{position:absolute;bottom:10px;left:10px;background:#263b61dc;border-radius:14px;padding:3px 12px;color:#fff;font-size:12px}.case-card .caption{font-size:11px;line-height:1.8;margin:12px 4px 0}.filter-status{font-size:11px;color:#7c8ba2;margin-top:14px}.more{border-top:1px solid var(--line);margin-top:18px;padding-top:16px}.more summary{cursor:pointer;font-size:13px;color:var(--blue);padding:4px}.archive-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:20px}.archive-grid button{display:block;text-align:left;padding:0;background:#f4f7fe;border-radius:8px;overflow:hidden}.archive-grid img{aspect-ratio:1.2;object-fit:contain;background:#fff}.archive-grid b,.archive-grid span{display:block;padding:6px 12px;font-size:12px}.archive-grid span{color:#7c8ba2;padding-top:0;font-size:10px}.consult{background:#e8f1ff;padding:38px 0}.consult-grid{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:0 24px}.consult h2{font-size:33px}.consult p{color:var(--muted);margin-top:8px;font-size:15px}.primary{display:inline-flex;justify-content:center;align-items:center;min-height:48px;padding:12px 30px;background:var(--blue);border-radius:12px;color:#fff;font-weight:600;white-space:nowrap;transition:background .2s}.primary:hover{background:var(--hover)}footer{background:#111827;color:#9cabc2;padding:22px 0;font-size:12px}footer .wrap{display:flex;gap:24px;align-items:center}footer b{color:#e2e9f4}footer a{margin-left:auto}dialog{max-width:960px;width:calc(100% - 40px);max-height:92dvh;overflow:auto;padding:24px;border:1px solid var(--line);border-radius:14px;background:#fafcff;color:var(--navy)}dialog::backdrop{background:#08172ac9;backdrop-filter:blur(5px)}.dialog-top{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:16px}.dialog-top h2{font-size:21px}.dialog-top button{padding:6px 14px;background:#edf3ff;border-radius:6px;color:var(--blue)}#large-image{max-height:72dvh;object-fit:contain;background:#fff}#image-dialog>p{font-size:12px;color:#7c8ba2;margin-top:12px}#consult-dialog{max-width:640px}#consult-dialog>p{font-size:13px}label{display:block;margin-top:20px;font-size:13px;font-weight:600}textarea{width:100%;font:inherit;font-size:14px;border:1px solid #cbd9ed;background:#fff;border-radius:8px;padding:14px;resize:vertical;margin:10px 0}.dialog-actions{display:flex;flex-wrap:wrap;gap:16px;align-items:center;font-size:13px}.dialog-actions .primary{font-size:13px;border-radius:8px;padding:10px 18px}.dialog-actions a{color:var(--blue)}#copy-status{color:var(--blue);margin-top:12px}.modal-open{overflow:hidden}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
@media(max-width:800px){.wrap{width:calc(100% - 32px)}.nav{height:88px;gap:10px}.brand{font-size:24px}.brand span{font-size:18px}.nav nav{gap:0;padding:4px 7px;border-radius:12px}.nav nav a,.nav nav button{font-size:12px;padding:7px 8px}.hero{padding-top:104px}.hero-grid{gap:24px}.hero-copy>p{font-size:17px}.section-title{padding:20px}.section-title h2{font-size:24px}.panel{padding:22px 18px}.sequence{gap:12px}figcaption b{font-size:14px}.case-card h3{font-size:18px}.case-card>p{font-size:12px}.case-grid{gap:12px}.case-card{padding:12px 9px}.consult h2{font-size:27px}.consult-grid{padding:0}.archive-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:600px){.nav{height:92px;align-items:flex-start;padding-top:18px;flex-wrap:wrap;gap:9px}.brand{font-size:23px}.brand span{font-size:17px}.nav nav{padding:0;background:transparent;border:0;border-radius:0;width:100%;gap:12px}.nav nav a,.nav nav button{padding:4px 0;font-size:12px}.hero{padding-top:122px;padding-bottom:22px}.hero-grid{grid-template-columns:1fr;gap:20px}.hero h1{font-size:36px;letter-spacing:-1px}.accent{margin:16px 0;width:44px;height:3px}.hero-copy>p{font-size:18px}.hero-link{margin-top:12px;font-size:11px}.hero-picture img{aspect-ratio:1.4}.content{padding-top:16px;padding-bottom:16px}.section-title{display:block;padding:18px 16px;border-radius:12px}.section-title h2{font-size:23px}.section-title p{margin-top:7px;font-size:10px}.panel{border-radius:12px;padding:20px 14px}.panel-title{display:block;margin-bottom:16px}.panel-title h2,.panel-title h3{font-size:21px;padding-left:12px;border-width:4px}.panel-title>span{display:block;margin-top:7px;margin-left:16px;font-size:10px}.sequence{grid-template-columns:1fr;gap:16px}.sequence img{aspect-ratio:1.2}figcaption b{font-size:18px}figcaption span{font-size:11px}.note{font-size:10px}.gallery{margin-top:16px}.case-grid{grid-template-columns:1fr;gap:16px}.case-card{padding:18px 12px}.case-card h3{font-size:23px}.case-card>p{font-size:14px}.card-picture img{aspect-ratio:1.15}.case-card .caption{font-size:12px}.archive-grid{grid-template-columns:1fr 1fr;gap:12px}.consult{padding:30px 0}.consult-grid{display:block}.consult h2{font-size:27px}.consult p{font-size:13px;margin:9px 0 20px}.consult .primary{width:100%;border-radius:8px}footer .wrap{flex-wrap:wrap;gap:8px 18px}footer p{width:100%;order:2}footer a{margin-left:auto}dialog{padding:18px;width:calc(100% - 24px)}.dialog-top h2{font-size:18px}.dialog-top button{font-size:12px;white-space:nowrap}.dialog-actions{gap:12px}}
@media(min-width:801px){.hero{padding-top:104px}.hero-picture img{aspect-ratio:1.55}.hero-grid{gap:32px}}

/* 页面下部补充展示区 */
.supplement{margin-top:18px}.supplement-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.supplement-card{background:#f4f7fe;border:1px solid #e8effa;border-radius:10px;overflow:hidden;min-width:0}.supplement-card button{display:block;position:relative;width:100%;padding:0;background:#fff}.supplement-card img{aspect-ratio:1.1;object-fit:contain;transition:transform .25s}.supplement-card button:hover img{transform:scale(1.025)}.supplement-card>div{padding:16px}.supplement-card h3{font-size:18px}.supplement-card p{font-size:12px;color:var(--muted);margin-top:6px}.supplement-card:last-child{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr;align-items:center}.supplement-card:last-child img{height:340px;aspect-ratio:auto}.supplement-card:last-child>div{padding:32px}.supplement-card:last-child h3{font-size:24px}@media(max-width:800px){.supplement-grid{gap:14px}.supplement-card h3{font-size:16px}}@media(max-width:600px){.supplement-grid{grid-template-columns:1fr;gap:16px}.supplement-card img{aspect-ratio:1.05}.supplement-card h3{font-size:20px}.supplement-card p{font-size:13px}.supplement-card:last-child{display:block}.supplement-card:last-child>div{padding:16px}.supplement-card:last-child h3{font-size:20px}.supplement-card:last-child img{height:440px}.supplement{margin-top:16px}}

/* Bilingual navigation */
.nav{gap:16px}.language-switch{display:flex;gap:4px;flex-shrink:0;border:1px solid #ffffff35;border-radius:8px;padding:3px;background:#ffffff0c}.language-switch button{color:#dbe8fa;padding:7px 10px;font-size:12px;border-radius:5px;min-height:34px}.language-switch button.selected{background:#165dff;color:#fff}.language-switch button:hover{background:#ffffff20}.language-switch button.selected:hover{background:#004ee6}html[lang=en] .hero h1{font-size:clamp(32px,4vw,50px);letter-spacing:-1px}html[lang=en] .brand{font-size:25px}html[lang=en] .brand span{font-size:17px}html[lang=en] .hero-copy>p{font-size:19px}html[lang=en] h2{font-size:26px}html[lang=en] .case-card h3{font-size:20px}html[lang=en] figcaption b{font-size:17px}html[lang=en] .panel-title>span{max-width:38%;text-align:right}html[lang=en] .consult h2{font-size:30px}
@media(min-width:601px) and (max-width:1050px){.nav{flex-wrap:wrap;justify-content:flex-start;align-content:center;height:104px;gap:6px 14px}.brand{margin-right:auto}.nav nav{order:3;width:100%;background:none;border:0;padding:0;gap:18px}.nav nav a,.nav nav button{padding:3px 0}.language-switch{margin-left:auto}.hero{padding-top:126px}}
@media(max-width:600px){.nav{position:relative;padding-top:16px;gap:8px;height:112px}.brand{max-width:calc(100% - 134px);white-space:normal;font-size:21px}.brand span{display:block;font-size:13px}.language-switch{position:absolute;right:0;top:17px;gap:2px}.language-switch button{font-size:11px;padding:6px 9px}.nav nav{margin-top:2px;gap:18px}.hero{padding-top:136px}html[lang=en] .brand{font-size:21px}html[lang=en] .brand span{font-size:11px;line-height:1.5}html[lang=en] .hero h1{font-size:32px}html[lang=en] .hero-copy>p{font-size:15px}html[lang=en] .section-title h2{font-size:22px}html[lang=en] .panel-title>span{max-width:none;text-align:left}html[lang=en] .panel-title h2{font-size:22px}}

/* 顶部简化：语言选择紧接联系咨询，每次访问默认中文 */
.nav{height:86px;justify-content:flex-end;flex-wrap:nowrap;padding-top:0}.nav nav{order:0;width:auto;gap:12px;margin-top:0}.language-switch{position:static;margin-left:8px}.hero{padding-top:104px}
@media(max-width:1050px){.nav{height:80px;align-items:center;align-content:normal;justify-content:flex-start}.nav nav{width:100%;justify-content:flex-start;background:none;border:0;padding:0;gap:16px}.nav nav a,.nav nav>button{padding:5px 0}.language-switch{margin-left:auto}.hero{padding-top:100px}}
@media(max-width:600px){.nav{height:72px;padding-top:0;gap:0;align-items:center}.nav nav{gap:10px;flex-wrap:nowrap;width:100%;align-items:center}.nav nav a,.nav nav>button{font-size:11px;padding:6px 0}.language-switch{position:static;gap:2px;padding:2px;margin-left:auto;flex-shrink:0}.language-switch button{font-size:11px;padding:5px 7px;min-height:32px}.hero{padding-top:94px}}
@media(max-width:360px){.nav nav{gap:7px}.language-switch{margin-left:3px}.language-switch button{padding:5px 6px}}
.nav nav .language-switch button{padding:7px 10px;font-size:12px;line-height:1.5}@media(max-width:600px){.nav nav .language-switch{margin-left:2px}.nav nav .language-switch button{padding:5px 7px;font-size:11px}}