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@media(max-width:400px){.hero h1{font-size:33px}.hero-actions{flex-direction:column;align-items:stretch}.hero-visual{height:390px}.float-top{right:-6px}.float-bottom{bottom:50px}.map-nodes{grid-template-columns:repeat(2,1fr)}.map-lines{display:none}.map-nodes{margin-top:20px}.workflow-steps{grid-template-columns:repeat(2,1fr)}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}

/* Hero type scale: keep the English introduction legible beside the Chinese title. */
.eyebrow{font-size:14px;letter-spacing:.11em;line-height:1.5}
.hero h1{font-size:clamp(36px,3.65vw,54px);line-height:1.38;letter-spacing:-.045em}
.identity span{font-size:13px}
@media(max-width:1050px){.hero h1{font-size:clamp(34px,4.2vw,48px)}}
@media(max-width:760px){.eyebrow{font-size:11px;letter-spacing:.055em}.hero h1{font-size:clamp(32px,7.5vw,44px)}.identity span{font-size:11px}}
@media(max-width:400px){.hero h1{font-size:31px}}

/* Personal site refinement */
.hero-grid{min-height:620px}
.hero-visual{height:520px;align-self:center}
.portrait-frame{inset:0 34px;border-radius:18px;mask-image:linear-gradient(to bottom,#000 88%,transparent 100%)}
.portrait-frame img{object-position:center 18%}
.orbit-one{width:370px;height:370px;top:55px;left:20px;border-color:#65a9e743}
.float-bottom{left:-10px;bottom:25px}
.hero h1{letter-spacing:-.012em}
.hero-lead{font-size:17px;max-width:34em;line-height:1.85}
.identity span{font-size:13px}
.hero-actions{margin-top:32px}
.button{min-height:46px}
.section-index,.small-caps{font-size:12px}
.section-heading>p:last-of-type{max-width:36em}
.system-proof{margin:0;background:#e9f0fa;border:1px solid #d9e4f3;border-radius:24px;padding:22px;overflow:hidden}
.system-proof-image{height:auto;min-height:280px;border:1px solid #d0ddec;border-radius:11px;box-shadow:0 20px 40px #17407220}
.system-proof-image img{height:auto;object-fit:contain;object-position:center top}
.system-proof figcaption{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin:16px 1px 22px}
.system-proof figcaption strong{font-size:16px}
.system-proof figcaption span{color:#667b99;font-size:12px}
.proof-flow{display:flex;align-items:center;justify-content:space-between;gap:6px;padding:15px 4px 2px;border-top:1px solid #cad9ec;color:#355278;font-size:12px;font-weight:700}
.proof-flow b{color:#4582e6;font-size:17px}
.system-aside>p,.workflow-detail p,.product-body p,.method-list p,.contact-intro{font-size:16px}
.capability-detail p{font-size:14px}
.workflow-note{font-size:13px}
.product-meta,.product-tags span{font-size:12px}
.product-body>a,.product-body .text-button{display:inline-flex;align-items:center;min-height:44px;font-size:14px;margin-top:14px}
.product-image img{object-fit:contain}
.product-image{display:flex;align-items:center;justify-content:center;padding:12px}
.diagram-image{padding:0}
.case-grid{display:grid;grid-template-columns:1fr;gap:30px}
.case-card,.case-feature{grid-column:auto;display:grid;grid-template-columns:.9fr 1.1fr;border-radius:18px}
.case-card:nth-child(even) .case-info{order:2}
.case-card:nth-child(even) .case-image{order:1}
.case-card .case-info,.case-feature .case-info{padding:40px;display:block}
.case-card h3,.case-feature h3{font-size:26px;line-height:1.4}
.case-card .case-image,.case-feature .case-image{height:100%;min-height:420px}
.case-facts{margin:20px 0 0;border-top:1px solid #e0e6ef}
.case-facts div{display:grid;grid-template-columns:68px 1fr;gap:12px;border-bottom:1px solid #e0e6ef;padding:11px 0}
.case-facts dt{font-size:13px;color:#3973d5;font-weight:700}
.case-facts dd{font-size:15px;line-height:1.7;color:#56677f;margin:0}
.case-info a{display:inline-flex;align-items:center;min-height:44px;margin-top:14px}
.method-section{background:#edf3fa}
.contact-option-label{font-size:14px;color:#8fa4c2;margin:30px 0 -16px}
.contact-option{min-height:54px}
.contact-option span{font-size:23px;line-height:12px}
.contact-option.active span{color:#7ee2ef}
@media(max-width:1050px){.hero-visual{height:470px}.orbit-one{width:320px;height:320px}.case-card .case-info,.case-feature .case-info{padding:30px}}
@media(max-width:760px){
  .hero-grid{min-height:0}
  .hero-copy{display:contents}
  .hero .eyebrow,.hero h1,.hero-lead,.identity,.hero-actions{position:relative;z-index:2;width:100%}
  .hero .eyebrow{order:0;margin-top:34px;font-size:12px}
  .hero h1{order:1;font-size:clamp(31px,7.7vw,42px);margin:16px 0 8px;letter-spacing:0}
  .hero-visual{order:2;width:min(100%,340px);height:285px;margin:5px auto 18px;align-self:center}
  .hero-lead{order:3;font-size:16px;line-height:1.75}
  .identity{order:4;margin-top:16px}
  .identity span{font-size:12px}
  .hero-actions{order:5;margin:22px 0 30px}
  .portrait-frame{inset:0 17px}
  .orbit-one{width:275px;height:275px;top:5px;left:30px}
  .float-bottom{display:none}
  .section-heading>p:last-of-type{font-size:16px}
  .system-proof{padding:14px}
  .system-proof-image{min-height:0}
  .system-proof figcaption{flex-wrap:wrap}
  .proof-flow{flex-wrap:wrap;justify-content:center;text-align:center;font-size:11px}
  .case-card,.case-feature{display:flex;flex-direction:column}
  .case-card:nth-child(even) .case-info,.case-card:nth-child(even) .case-image{order:initial}
  .case-card .case-info,.case-feature .case-info{padding:25px}
  .case-card h3,.case-feature h3{font-size:22px}
  .case-card .case-image,.case-feature .case-image{height:240px;min-height:0}
  .case-facts dd{font-size:15px}
  .product-body p,.method-list p,.system-aside>p,.workflow-detail p{font-size:16px}
}
@media(max-width:400px){.hero h1{font-size:30px}.hero-visual{height:260px}.hero-actions{flex-direction:row}.hero-actions .button{flex:1}}