:root{
  --navy:#0b2742;
  --navy-2:#163e66;
  --blue:#2d6db6;
  --blue-2:#4f8bcf;
  --sky:#e9f2fb;
  --paper:#f6f8fb;
  --paper-2:#eef3f8;
  --line:#d8e3ee;
  --line-2:#c9d8e6;
  --text:#132334;
  --text-2:#516579;
  --muted:#7a8da0;
  --white:#fff;
  --radius-xl:30px;
  --radius-lg:22px;
  --radius-md:16px;
  --shadow:0 20px 56px rgba(11,39,66,.08);
  --shadow-soft:0 10px 24px rgba(11,39,66,.05);
  --max:1280px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Microsoft YaHei","PingFang SC","Noto Sans SC",Arial,sans-serif;color:var(--text);background:linear-gradient(180deg,#fbfdff 0%, #f7fafc 40%, #fff 100%);-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
.container{width:min(var(--max),calc(100% - 56px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:99;background:rgba(255,255,255,.82);backdrop-filter:blur(18px);border-bottom:1px solid rgba(216,227,238,.9)}
.header-inner{height:86px;display:flex;align-items:center;gap:24px}
.brand{display:flex;align-items:center;gap:14px;min-width:max-content}
.brand-mark{width:48px;height:48px;display:grid;place-items:center;overflow:hidden;flex:0 0 48px}
.brand-mark img{width:100%;height:100%;object-fit:contain}
.brand-copy strong{display:block;font-size:18px;font-weight:900;line-height:1.1}
.brand-copy small{display:block;margin-top:4px;font-size:10px;letter-spacing:.22em;font-weight:800;color:var(--muted)}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.main-nav a{padding:10px 13px;border-radius:999px;font-size:14px;font-weight:800;color:var(--text-2);transition:.22s}
.main-nav a:hover,.main-nav a.active{background:var(--paper-2);color:var(--navy-2)}
.contact-link{margin-left:8px;padding:12px 18px;border-radius:999px;background:linear-gradient(145deg,var(--navy-2),var(--blue));color:#fff;font-size:14px;font-weight:900;box-shadow:0 10px 24px rgba(22,62,102,.15)}
.menu-btn{display:none;border:0;background:transparent;font-size:24px;margin-left:auto}

.hero-shell{padding:34px 0 24px;border-bottom:1px solid var(--line)}
.hero{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:stretch}
.glass-panel{background:rgba(255,255,255,.78);border:1px solid rgba(216,227,238,.95);border-radius:var(--radius-xl);box-shadow:var(--shadow);backdrop-filter:blur(10px)}
.hero-copy{padding:52px 50px 46px}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:12px;font-weight:900;letter-spacing:.23em;color:var(--blue);text-transform:uppercase}
.eyebrow:before{content:"";width:28px;height:1px;background:var(--blue);opacity:.5}
.hero h1,.subhero h1{margin:20px 0 18px;font-size:62px;line-height:1.06;letter-spacing:-.05em;font-weight:900}
.hero h1 span,.subhero h1 span{color:var(--navy-2)}
.hero p,.subhero p,.section-head p,.media-copy p,.card p,.contact-copy p,.footer p,.about-intro p,.case-card p,.plain-list li{font-size:16px;line-height:1.9;color:var(--text-2);font-weight:500}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.btn-primary,.btn-secondary{display:inline-flex;align-items:center;justify-content:center;padding:14px 20px;border-radius:999px;font-size:14px;font-weight:900}
.btn-primary{background:linear-gradient(145deg,var(--navy-2),var(--blue));color:#fff;box-shadow:0 12px 28px rgba(22,62,102,.16)}
.btn-secondary{background:#fff;color:var(--text);border:1px solid var(--line-2)}
.pills{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.pill{padding:8px 12px;border-radius:999px;background:var(--sky);font-size:12px;font-weight:800;color:#5f768a}
.hero-visual{padding:16px;display:flex;flex-direction:column}
.hero-image{overflow:hidden;border-radius:24px;background:linear-gradient(180deg,#fff,#f4f7fb);border:1px solid var(--line)}
.hero-image img{width:100%;height:100%;object-fit:cover}
.hero-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:16px}
.hero-metrics div{padding:16px;border-radius:18px;background:var(--paper);border:1px solid var(--line)}
.hero-metrics span{display:block;font-size:11px;color:var(--muted);font-weight:800;letter-spacing:.08em;margin-bottom:6px}.hero-metrics strong{font-size:14px;line-height:1.5}

.section{padding:86px 0}.section.soft{background:linear-gradient(180deg,#f7fafc 0%,#fbfdff 100%)}
.section-head{display:grid;grid-template-columns:1fr minmax(320px,520px);gap:42px;align-items:end;margin-bottom:30px}
.section-head h2{margin:12px 0 0;font-size:42px;line-height:1.12;font-weight:900;letter-spacing:-.045em}
.section-title-box{padding:24px 28px;background:linear-gradient(180deg,#fff,#f7fbff);border:1px solid var(--line);border-left:5px solid var(--blue);border-radius:24px;box-shadow:var(--shadow-soft)}
.section-title-box .subtitle{font-size:12px;font-weight:900;letter-spacing:.22em;color:var(--blue);text-transform:uppercase}
.section-title-box h2{margin:10px 0 0}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:20px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card,.media-panel,.case-card,.info-strip,.stat-box{background:rgba(255,255,255,.88);border:1px solid var(--line);border-radius:26px;box-shadow:var(--shadow-soft)}
.card{padding:28px}
.info-strip{padding:30px 34px;display:grid;grid-template-columns:220px 1fr;gap:26px;align-items:center}
.year-badge{height:160px;border-radius:24px;background:linear-gradient(145deg,var(--navy),var(--blue));color:#fff;display:flex;align-items:center;justify-content:center;flex-direction:column;box-shadow:var(--shadow)}
.year-badge strong{font-size:54px;line-height:1;font-weight:900;letter-spacing:-.04em}.year-badge span{font-size:13px;letter-spacing:.18em;text-transform:uppercase;font-weight:800;opacity:.8;margin-top:10px}
.about-intro h3,.card h3,.case-card h3{margin:0 0 12px;font-size:24px;line-height:1.35;font-weight:900}
.media-panel{padding:16px;overflow:hidden}.media-panel img{width:100%;border-radius:18px}.media-caption{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-top:14px;font-size:13px;color:var(--muted);font-weight:700}
.media-block{display:grid;grid-template-columns:1.05fr .95fr;gap:22px;align-items:center}
.media-copy{padding:8px 0}
.media-copy h3{margin:0 0 14px;font-size:30px;line-height:1.24;font-weight:900}

.feature{padding:28px;position:relative;overflow:hidden}
.feature:before{content:"";position:absolute;inset:auto -30px -30px auto;width:110px;height:110px;border-radius:50%;background:linear-gradient(145deg,rgba(79,139,207,.18),rgba(79,139,207,0));}
.feature .index{width:52px;height:52px;border-radius:16px;background:var(--sky);display:grid;place-items:center;color:var(--blue);font-weight:900;margin-bottom:22px}
.feature h3{margin:0 0 10px;font-size:22px;line-height:1.35;font-weight:900}.feature p{margin:0}.tag{display:inline-block;margin-top:16px;padding:6px 10px;border-radius:999px;background:var(--paper);font-size:11px;font-weight:900;color:#6f8395}

.case-section .section-head{margin-bottom:22px}
.case-grid{display:grid;grid-template-columns:1.15fr 1fr 1fr;gap:18px}
.case-large{grid-row:span 2;padding:18px;display:flex;flex-direction:column}
.case-large .case-visual{flex:1;border-radius:20px;overflow:hidden;background:linear-gradient(145deg,var(--navy),var(--blue));display:flex;align-items:center;justify-content:center;min-height:340px}
.case-large .case-visual img{max-width:100%;max-height:100%;object-fit:cover}
.case-card{padding:16px}.case-thumb{height:180px;border-radius:18px;overflow:hidden;background:linear-gradient(145deg,#f0f6fc,#e6eef7);margin-bottom:16px}.case-thumb img{width:100%;height:100%;object-fit:cover}.case-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.case-meta span{padding:6px 10px;border-radius:999px;background:var(--paper);font-size:11px;font-weight:800;color:#62778b}

.table-wrap{overflow:auto}.compare-table{width:100%;border-collapse:separate;border-spacing:0;min-width:720px;background:#fff;border:1px solid var(--line);border-radius:24px;overflow:hidden;box-shadow:var(--shadow-soft)}
.compare-table th,.compare-table td{padding:18px;border-bottom:1px solid var(--line);font-size:15px;line-height:1.8;text-align:left;vertical-align:top}.compare-table th{background:#f3f7fb;color:#536a7d;font-weight:900}.compare-table td{color:var(--text-2)}.compare-table tr:last-child td{border-bottom:0}

.card-list{display:grid;gap:16px}.mini-card{padding:20px 22px;border-radius:20px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-soft)}.mini-card strong{display:block;margin-bottom:8px;font-size:18px;line-height:1.4}

.contact-section{padding:84px 0}.contact-box{display:grid;grid-template-columns:1fr 1fr;gap:18px;padding:18px;background:linear-gradient(180deg,#ffffff,#f7fbff);border:1px solid var(--line);border-radius:30px;box-shadow:var(--shadow)}
.contact-copy{padding:24px 26px}
.contact-copy h2{margin:14px 0 14px;font-size:40px;line-height:1.14;font-weight:900}
.contact-cards{display:grid;grid-template-columns:1fr 1fr;gap:14px;padding:8px}
.stat-box{padding:22px;background:rgba(247,250,252,.95)}
.stat-box span{display:block;font-size:12px;color:var(--muted);font-weight:900;letter-spacing:.08em;text-transform:uppercase;margin-bottom:8px}
.stat-box strong{display:block;font-size:17px;line-height:1.55;font-weight:900}
.site-footer{padding:26px 0 36px;border-top:1px solid var(--line)}
.footer-row{display:flex;justify-content:space-between;gap:20px;align-items:flex-start}.footer-brand{display:flex;align-items:center;gap:12px}.footer-brand .brand-mark{width:40px;height:40px;flex-basis:40px}.footer-brand strong{display:block;font-size:16px;line-height:1.2}.footer p{margin:4px 0 0;font-size:13px;color:var(--muted)}

@media (max-width:1180px){
  .hero,.media-block,.section-head,.contact-box,.info-strip{grid-template-columns:1fr}
  .grid-4,.grid-3,.case-grid,.contact-cards{grid-template-columns:repeat(2,1fr)}
  .case-large{grid-row:auto;grid-column:1/-1}
  .main-nav{display:none}
  .contact-link{display:none}
  .menu-btn{display:block}
  .main-nav.open{display:grid;position:absolute;top:86px;left:14px;right:14px;grid-template-columns:repeat(2,1fr);gap:8px;background:rgba(255,255,255,.98);padding:16px;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow)}
  .main-nav.open a{background:#f7fafc}
}
@media (max-width:760px){
  .container{width:min(var(--max),calc(100% - 28px))}
  .header-inner{height:74px}.brand-mark{width:42px;height:42px;flex-basis:42px}.brand-copy strong{font-size:14px}.brand-copy small{display:none}
  .hero h1,.subhero h1{font-size:40px}.section-head h2,.contact-copy h2{font-size:30px}
  .grid-2,.grid-3,.grid-4,.case-grid,.contact-cards,.hero-metrics{grid-template-columns:1fr}
  .case-large{grid-column:auto}.contact-box{padding:12px}
  .main-nav.open{top:72px;grid-template-columns:1fr;left:10px;right:10px}
  .footer-row{display:block}
}

/* Shared production refinements; original blue-grey palette and page layouts retained. */
.inquiry-guide{grid-column:1/-1;padding:24px;border-top:1px solid var(--line)}
.inquiry-guide h3{font-size:19px;line-height:1.5;margin:0 0 14px}
.inquiry-items{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px 24px;list-style:none;margin:0;padding:0}
.inquiry-items li{min-width:0}
.inquiry-items strong{display:block;font-size:14px;line-height:1.6;margin-bottom:4px}
.inquiry-items span{display:block;font-size:13px;line-height:1.75;color:var(--text-2)}
.inquiry-guide>p{font-size:13px;line-height:1.75}
.contact-box{align-items:start}
.related-section{padding:30px 0 10px}
.related-section h2{font-size:25px;line-height:1.4;margin:0 0 18px}
.related-card{display:block;min-width:0;padding:22px;border:1px solid var(--line);border-radius:20px;background:#fff}
.related-card strong{font-size:17px;line-height:1.5;color:var(--navy-2)}
.related-card p{font-size:14px;line-height:1.8;color:var(--text-2);margin:10px 0 0}
.related-card:hover{border-color:var(--blue)}
.inquiry-questions{display:grid;gap:12px}
.inquiry-question{padding:20px 24px;border:1px solid var(--line);border-radius:20px;background:#fff}
.inquiry-question summary{cursor:pointer;font-weight:700;line-height:1.7}
.inquiry-question p{color:var(--text-2);font-size:15px;line-height:1.8;margin:14px 0 0}
@media(max-width:1180px){.inquiry-items{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){.inquiry-guide{padding:18px 16px}.inquiry-items{grid-template-columns:1fr}.related-card{padding:20px}.inquiry-question{padding:18px 20px}}
img{height:auto}
figure{margin:0}
address{font-style:normal}
button{font:inherit;cursor:pointer;color:inherit}
:focus-visible{outline:3px solid var(--blue);outline-offset:4px}
.skip-link{position:fixed;left:16px;top:-100px;z-index:120;background:var(--navy);color:white;padding:12px 20px;border-radius:12px}
.skip-link:focus{top:12px}
#main-content{scroll-margin-top:110px}
#contact{scroll-margin-top:95px}
.header-inner{gap:14px;position:relative;min-height:92px;height:auto;padding-top:12px;padding-bottom:12px}
.brand{gap:10px;min-width:0;flex-shrink:0}
.brand-mark{width:52px;flex-basis:52px}
.brand-copy strong{font-size:16px;line-height:1.35}
.brand-copy small{font-size:9px;letter-spacing:.12em;color:var(--text-2)}
.main-nav{gap:2px;min-width:0}
.main-nav a{padding:10px 8px;white-space:nowrap;font-size:13px}
.main-nav .nav-contact{display:none}
.contact-link{padding:11px 13px;white-space:nowrap;margin:0;font-size:13px}
.language-switch{display:flex;align-items:center;gap:2px;white-space:nowrap;flex-shrink:0;font-size:12px;color:var(--text-2)}
.language-switch a{display:inline-flex;align-items:center;justify-content:center;min-width:36px;min-height:44px;border-radius:9px}
.language-switch a[aria-current=true]{font-weight:800;color:var(--navy);background:var(--paper-2)}
.menu-btn{padding:8px;min-width:44px;min-height:44px;margin:0;border-radius:10px;line-height:1}
.menu-btn span{font-size:24px}
.section-head h1{margin:10px 0 0;font-size:42px;line-height:1.12;font-weight:900;letter-spacing:-.045em}
.hero h1{font-size:56px;line-height:1.16}
.hero{gap:30px}
.hero-copy{padding:40px 34px}
.hero-visual{justify-content:center}
.hero-image img{height:auto;aspect-ratio:4/3;object-fit:contain}
.hero-metrics div{padding:14px}
.hero-metrics span,.stat-box span,.footer p,.media-caption{color:var(--text-2)}
.year-badge strong{font-size:54px;letter-spacing:.02em}
.year-badge span{font-size:11px}
.case-large{justify-content:flex-start}
.case-large .case-visual{flex:none;min-height:0;aspect-ratio:4/3;background:var(--paper)}
.case-large .case-visual img{width:100%;height:100%;object-fit:contain}
.case-large h3{margin-top:18px}
.case-thumb{height:auto;aspect-ratio:4/3}
.case-thumb img{object-fit:contain}
.case-card p{margin-top:0}
.case-card{transition:box-shadow .2s,border-color .2s}
a.case-card:hover,a.feature:hover{border-color:var(--blue);box-shadow:var(--shadow)}
.figure-note{margin:14px 2px 0;font-size:13px;line-height:1.75;color:var(--text-2)}
.figure-note a{text-decoration:underline;text-underline-offset:3px}
.text-link{display:inline-flex;align-items:center;gap:10px;min-height:44px;font-weight:700;color:var(--navy-2);text-decoration:underline;text-underline-offset:4px}
.content-note{font-size:14px;line-height:1.8;color:var(--text-2);padding:14px 18px;background:var(--paper);border-left:3px solid var(--blue);border-radius:0 12px 12px 0;margin-top:20px}
.mini-card p{font-size:16px;line-height:1.8;color:var(--text-2);margin:0}
.table-wrap{margin-top:22px;border-radius:18px}
.compare-table caption{text-align:left;font-size:14px;color:var(--text-2);padding:0 0 12px;line-height:1.7}
.table-hint{display:none;margin:18px 0 0;color:var(--text-2);font-size:13px}
.compare-table tbody th{background:#fff}
.compare-table tbody tr:hover th,.compare-table tbody tr:hover td{background:var(--paper)}
.contact-cards>*{min-width:0}
.contact-cards strong,.contact-cards address{font-size:16px;line-height:1.7;font-weight:700;overflow-wrap:anywhere}
.contact-cards a{text-decoration:underline;text-underline-offset:4px}
.contact-cards .phone-number{display:block;white-space:nowrap;font-variant-numeric:tabular-nums;font-size:16px;font-weight:700;letter-spacing:normal;margin-bottom:6px}
.footer-brand{min-width:0;max-width:70%}
.footer-row>p{flex-shrink:0}
.footer-brand strong{line-height:1.5}
.footer-copy{max-width:360px}
.error-page{min-height:65vh;text-align:center;padding:90px 24px}
.error-page h1{font-size:72px;color:var(--navy);margin:0 0 18px}
.error-page p{line-height:1.9;color:var(--text-2)}
.error-page .hero-actions{justify-content:center}
:lang(en) .brand-copy{max-width:250px}
:lang(en) .brand-copy strong{font-size:14px}
:lang(en) .main-nav a{font-size:12px;padding:10px 6px}
:lang(en) .section-head h1,:lang(en) .section-head h2{font-size:36px;letter-spacing:-.025em;line-height:1.2}
:lang(en) .hero h1{font-size:48px;letter-spacing:-.025em}
:lang(en) .case-card h3{font-size:22px}
.stack-gap{margin-top:20px}
@media(max-width:1300px){
 .main-nav{display:none}.contact-link{display:none}.menu-btn{display:block}.language-switch{margin-left:auto}
 .main-nav.open{display:grid;position:absolute;top:calc(100% + 4px);left:0;right:0;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;padding:16px;background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);max-height:calc(100dvh - 110px);overflow-y:auto}
 .main-nav.open a{padding:12px;background:var(--paper);font-size:14px;white-space:normal}
 .main-nav.open .nav-contact{display:block}
}
@media(min-width:1301px){.main-nav{display:flex}.contact-link{display:block}.menu-btn{display:none}}
@media(max-width:760px){
 .header-inner{gap:6px;min-height:78px;padding-top:10px;padding-bottom:10px}
 .brand{flex:1;min-width:0;gap:6px}.brand-mark{width:38px;flex-basis:38px;height:36px}
 .brand-copy{min-width:0}.brand-copy strong{font-size:12px;max-width:155px;line-height:1.5}.brand-copy small{display:none}
 :lang(en) .brand-copy strong{font-size:11px;max-width:155px;line-height:1.4}
 .language-switch{font-size:11px;gap:0;margin-left:0}.language-switch a{min-width:30px}
 .menu-btn{min-width:38px;padding:6px}
 .main-nav.open{left:0;right:0;top:calc(100% + 4px);grid-template-columns:1fr;max-height:calc(100dvh - 100px)}
 .hero-shell{padding:24px 0}.hero{gap:20px}.hero-copy{padding:28px 24px}
 .hero h1{font-size:36px;line-height:1.2;letter-spacing:-.035em}.hero h1 span{display:inline-block}
 :lang(en) .hero h1{font-size:clamp(27px,8vw,32px);line-height:1.18}
 .eyebrow{font-size:10px;letter-spacing:.11em;line-height:1.6;gap:8px}
 .eyebrow:before{width:18px;flex-shrink:0}
 .hero-metrics{gap:8px}.hero-metrics div{padding:12px 14px}.hero-metrics span{margin-bottom:2px}
 .hero-metrics strong{font-size:14px}
 .section{padding:46px 0}.section-head{gap:12px;margin-bottom:22px}
 .table-hint{display:block}
 .section-title-box{padding:20px}.section-head h1,.section-head h2{font-size:28px;line-height:1.25}
 :lang(en) .section-head h1,:lang(en) .section-head h2{font-size:28px}
 .section-head p{margin-bottom:0}.section-title-box .subtitle{font-size:10px;letter-spacing:.14em}
 .card{padding:22px}.info-strip{padding:22px;gap:20px}.year-badge{height:110px}
 .media-panel{padding:12px}.media-caption{flex-wrap:wrap}
 .contact-section{padding:46px 0}.contact-copy{padding:16px}.contact-copy h2{font-size:30px}
 .contact-cards{padding:2px}.stat-box{padding:18px}
 .footer-brand{max-width:100%}.footer-row>p{margin-top:18px}
 .footer-brand strong{font-size:14px}.footer p{font-size:12px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}
.real-case-cover{aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;background:var(--paper);border-radius:18px;overflow:hidden}
.real-case-cover img{width:100%;height:100%;object-fit:contain}
.real-case-grid{margin-bottom:36px}
.case-photos{display:grid;gap:24px;margin-top:28px}
.case-photos img{width:100%;height:auto;object-fit:contain}
.case-prose{white-space:pre-wrap;overflow-wrap:anywhere}

/* Case categories and structured engineering attributes. */
.case-filters{display:flex;flex-wrap:wrap;gap:10px;margin:24px 0}
.case-filters[hidden],.case-card[hidden],.case-empty[hidden]{display:none}
.case-filters button{font:inherit;font-size:14px;text-align:left;white-space:normal;max-width:100%;padding:10px 16px;border:1px solid #c2d3e2;border-radius:24px;color:#173e67;background:#fff;cursor:pointer}
.case-filters button[aria-pressed="true"]{background:#163e63;color:#fff;border-color:#163e63}
.case-filters button:focus-visible,.drawing-zoom:focus-visible{outline:3px solid #328de5;outline-offset:4px}
.case-category{display:inline-block;color:#235477;font-size:14px;font-weight:600;overflow-wrap:anywhere}
.case-card-summary{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.case-empty{padding:24px;border:1px solid #dbe5ef;border-radius:12px;background:#f5f8fc;color:#526b83}
.case-detail h1{overflow-wrap:anywhere}.case-breadcrumb{margin-bottom:20px;font-size:14px}
.case-section{margin-top:36px;padding-top:24px;border-top:1px solid #dbe5ef}
.case-properties{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:#dbe5ef;border:1px solid #dbe5ef;border-radius:12px;overflow:hidden;margin:24px 0}
.case-properties>div{padding:20px;background:#f7faff}.case-properties dt{font-size:14px;color:#526b83;margin-bottom:8px}.case-properties dd{margin:0;overflow-wrap:anywhere}
.case-photos figure{margin:20px 0}.case-photos img{display:block;width:100%;height:auto;object-fit:contain}.drawing-zoom{display:block;cursor:zoom-in}
@media(max-width:600px){.case-properties{grid-template-columns:1fr}.case-properties>div{padding:16px}.case-filters button{flex:1 1 145px;border-radius:12px}.case-detail h1{font-size:30px}}
.case-properties>div:last-child:nth-child(odd){grid-column:1/-1}

/* Visual component overview and same-language detail navigation. */
.real-case-cover{position:relative}.drawing-placeholder-badge{position:absolute;bottom:8px;left:8px;padding:4px 10px;border-radius:8px;background:#eaf1f8;color:#31516f;font-size:12px}
.component-spec{font-size:14px;overflow-wrap:anywhere;color:#31516f}
.component-switcher{margin:24px 0;padding:18px;border:1px solid #dbe5ef;border-radius:16px;background:#f7faff}
.component-switcher-bar,.component-step-links{display:flex;justify-content:space-between;gap:16px;align-items:center;font-size:14px}
.component-step-links{margin-top:16px}.component-step-links>span{color:#66798c}
.component-thumbnails{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:16px}
.component-thumbnails a{min-width:0;display:grid;align-content:start;gap:6px;padding:12px;border:2px solid transparent;border-radius:12px;background:#fff;overflow-wrap:anywhere}
.component-thumbnails a[aria-current="page"]{border-color:#235477;background:#edf5fc}
.component-thumbnails img{width:100%;height:110px;object-fit:contain;background:white}
.component-thumbnails span{font-size:15px;font-weight:600}.component-thumbnails small{font-size:12px;color:#526b83}
.component-switcher a:focus-visible{outline:3px solid #328de5;outline-offset:3px}
@media(max-width:600px){.component-switcher{padding:12px}.component-thumbnails{gap:6px}.component-thumbnails a{padding:6px}.component-thumbnails img{height:75px}.component-thumbnails span{font-size:12px}.component-thumbnails small{font-size:11px}}

.home-case-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.home-case-grid>.card{min-width:0}.home-cases-all{margin-top:24px;text-align:center}
@media(max-width:1100px){.home-case-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:600px){.home-case-grid{grid-template-columns:1fr}}

/* Keep illustration presentation uniform while preserving each source aspect ratio. */
.case-photos[aria-labelledby="case-illustrations"] figure>img{width:100%;height:auto;aspect-ratio:4/3;object-fit:contain;background:var(--paper)}