/* Approved Signage V9: existing LMC palette, generous editorial spacing. */
.sg-page { --sg-width:1200px; background:var(--surface-white); color:var(--surface-black); font-size:16px; line-height:1.7; }
.sg-page *, .sg-page *::before, .sg-page *::after { box-sizing:border-box; }
.sg-container { width:min(var(--sg-width),calc(100% - 96px)); margin-inline:auto; }
.sg-section { padding-block:88px; scroll-margin-top:96px; }
.sg-section + .sg-section { padding-top:40px; }
.sg-page h1, .sg-page h2, .sg-page h3 { font-family:inherit; font-weight:650; letter-spacing:-.025em; text-wrap:pretty; }
.sg-page h1 { font-size:clamp(36px,3.6vw,50px); line-height:1.22; margin:0 0 26px; }
.sg-page h1 span { display:block; font-family:inherit; font-style:normal; font-weight:inherit; }
.sg-page h2 { font-size:clamp(28px,2.8vw,38px); line-height:1.3; margin:0 0 18px; }
.sg-page h3 { font-size:21px; line-height:1.4; margin:0 0 10px; }
.sg-page p { margin:0 0 16px; }
.sg-page figure { margin:0; min-width:0; }
.sg-page figcaption { font-size:13px; color:var(--text-gray-on-light); line-height:1.65; margin-top:12px; }
.sg-kicker { color:var(--brand-red); font-size:14px; font-weight:700; letter-spacing:.025em; margin:0 0 12px!important; }
.sg-head { margin-bottom:32px; }
.sg-lead { max-width:850px; color:var(--text-gray-on-light); font-size:17px; line-height:1.75; }
.sg-note { font-size:13px; line-height:1.7; color:var(--text-gray-on-light); }
.sg-actions { display:flex; flex-wrap:wrap; align-items:center; gap:16px 26px; }
.sg-button { display:inline-flex; align-items:center; justify-content:center; gap:18px; padding:14px 24px; min-height:50px; border:1px solid var(--brand-red); border-radius:2px; background:var(--brand-red); color:white; font:inherit; font-size:14px; font-weight:600; cursor:pointer; text-align:center; line-height:1.45; }
.sg-button:hover { background:#822027; border-color:#822027; }
.sg-button--secondary { color:var(--surface-black); background:transparent; border-color:#afaeaa; }
.sg-button--secondary:hover { background:#e8e6df; border-color:var(--surface-black); }
.sg-link { display:inline-flex; align-items:center; gap:16px; min-height:44px; color:var(--brand-red); border-bottom:1px solid currentColor; font-size:14px; font-weight:650; text-decoration:none; }
button.sg-link { padding:0; background:transparent; border:0; border-bottom:1px solid currentColor; cursor:pointer; }
.sg-photo { display:block; width:100%; min-width:0; padding:0; border:0; background:transparent; color:inherit; cursor:zoom-in; }
.sg-frame { display:block; width:100%; aspect-ratio:var(--sg-ratio,3 / 2); overflow:hidden; background:#e5e2db; }
.sg-frame > img { display:block; width:100%; height:100%; object-fit:cover; }
.sg-frame--contain > img { object-fit:contain; }
.sg-page :is(a,button):focus-visible { outline:3px solid var(--brand-gold); outline-offset:5px; }
/* Compact product Hero: one image field, with a readable graduated text layer. */
.sg-hero { position:relative; isolation:isolate; overflow:hidden; background:var(--surface-black); color:var(--surface-white); }
.sg-hero::after { content:""; position:absolute; inset:0; z-index:0; pointer-events:none; background:linear-gradient(90deg,#090909 0%,#090909f5 30%,#090909bd 45%,#09090930 66%,#0909090a 100%); }
.sg-hero-inner { position:relative; z-index:1; display:flex; align-items:center; min-height:480px; pointer-events:none; }
.sg-hero-copy { width:min(100%,650px); padding-block:54px; pointer-events:auto; }
.sg-hero .sg-kicker { color:var(--brand-gold); letter-spacing:.1em; font-size:12px; margin-bottom:18px!important; }
.sg-hero h1 { font-size:clamp(38px,3.9vw,56px); line-height:1.12; letter-spacing:-.03em; margin:0 0 10px; }
.sg-hero .sg-hero-slogan { color:var(--brand-gold); font-family:Georgia,"Times New Roman",serif; font-size:clamp(30px,3.1vw,44px); font-style:italic; line-height:1.18; letter-spacing:-.025em; margin:0 0 22px; }
.sg-page[lang="zh"] .sg-hero-slogan { font-family:inherit; font-style:normal; font-size:clamp(26px,2.5vw,36px); line-height:1.4; }
.sg-hero .sg-lead { color:var(--text-gray-on-dark); font-size:17px; line-height:1.65; max-width:540px; margin:0; white-space:pre-line; text-wrap:pretty; }
.sg-hero .sg-actions { margin-top:26px; gap:12px; }
.sg-hero .sg-button { padding-inline:20px; gap:14px; }
.sg-hero .sg-button--secondary { color:var(--surface-white); background:#09090926; border-color:#ffffff70; }
.sg-hero .sg-button--secondary:hover { background:#ffffff14; border-color:var(--surface-white); }
.sg-hero-media { position:absolute; inset:0 0 0 auto; width:62%; mask-image:linear-gradient(90deg,transparent,#000 24%); }
.sg-hero-media .sg-photo { height:100%; }
.sg-hero-media .sg-frame { height:100%; aspect-ratio:auto; overflow:hidden; background:var(--surface-black); }
.sg-hero-media .sg-frame > img { width:100%; height:100%; object-fit:cover; object-position:center; }
.sg-storefront-grid { display:grid; grid-template-columns:minmax(0,.36fr) minmax(0,.64fr); gap:30px; align-items:start; }
.sg-storefront-grid > figure:first-child .sg-frame { aspect-ratio:1.08; }
.sg-storefront-grid .sg-diagram .sg-frame { aspect-ratio:3 / 2; background:transparent; }
.sg-benefits { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:26px; margin:42px 0 26px; }
.sg-benefits > * + * { padding-left:26px; border-left:1px solid var(--line-on-light); }
.sg-benefits h3 { color:var(--brand-red); font-size:19px; margin-bottom:8px; }
.sg-benefits p { font-size:14px; color:var(--text-gray-on-light); margin:0; }
.sg-range-grid, .sg-case-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:34px 26px; }
.sg-range-grid h3, .sg-case h3 { font-size:19px; margin:12px 0 6px; }
.sg-range-grid p { font-size:14px; color:var(--text-gray-on-light); margin:0; }
.sg-range-grid .sg-frame, .sg-case-grid .sg-frame { aspect-ratio:3 / 2; }
.sg-applications .sg-head { margin-bottom:42px; }
.sg-applications-grid { display:grid; grid-template-columns:repeat(5,minmax(0,1fr)); gap:40px 28px; }
.sg-application { min-width:0; display:flex; flex-direction:column; padding:18px 0 22px; border-top:1px solid var(--line-on-light); }
.sg-application-visual { aspect-ratio:16 / 11; width:100%; margin:0 auto 22px; background:transparent; }
.sg-application h3 { font-size:18px; line-height:1.4; min-height:2.8em; margin:0 0 12px; }
.sg-application p { font-size:13px; line-height:1.85; color:var(--text-gray-on-light); margin:0 0 18px; }
.sg-application-uses { display:flex; flex-wrap:wrap; gap:4px 0; margin:auto 0 0; padding:0; list-style:none; color:var(--brand-red); font-size:11px; line-height:1.65; }
.sg-application-uses li:not(:last-child)::after { content:'·'; padding-inline:6px; color:var(--text-gray-on-light); }
.sg-materials-grid { display:grid; grid-template-columns:minmax(0,.46fr) minmax(0,.54fr); align-items:center; gap:44px; }
.sg-materials-grid > figure .sg-frame { aspect-ratio:1.72; }
.sg-swatches { display:grid; grid-template-columns:repeat(6,minmax(0,1fr)); gap:10px; margin:24px 0; }
.sg-swatches a { min-width:0; text-align:center; }
.sg-swatches .sg-frame { aspect-ratio:1 / 1; border:1px solid #0001; border-radius:3px; }
.sg-swatches a > span:last-child { display:block; font-size:11px; line-height:1.5; margin-top:8px; }
.sg-materials-copy .sg-note { margin-top:16px; }
.sg-head--split { display:flex; align-items:start; justify-content:space-between; gap:32px; }
.sg-head--split > div { min-width:0; }
.sg-head--split > .sg-link { flex:none; margin-top:16px; }
.sg-case-label { display:block; margin:14px 0 3px; color:var(--brand-red); font-size:13px; font-weight:600; }
.sg-case h3 { margin-top:0; }
.sg-case-grid + .sg-note { text-align:center; margin-top:24px; }
.sg-structure-headings { display:grid; grid-template-columns:1fr 1fr; gap:48px; margin-bottom:24px; }
.sg-structure-headings h3 { color:var(--brand-red); font-size:24px; }
.sg-structure-headings p { color:var(--text-gray-on-light); }
.sg-structure-visual .sg-frame { aspect-ratio:var(--sg-ratio,3 / 2); background:transparent; }
.sg-structure-visual + .sg-note { text-align:center; margin-top:16px; }
.sg-technical-grid { display:grid; grid-template-columns:minmax(0,1.24fr) minmax(0,1fr); gap:48px; align-items:center; }
.sg-technical-grid > figure .sg-frame { aspect-ratio:var(--sg-ratio,1 / 1); background:transparent; }
.sg-technical-table { padding-left:32px; border-left:1px solid var(--line-on-light); }
.sg-technical-table h3 { font-size:22px; color:var(--brand-red); margin-bottom:18px; }
.sg-technical-table table { border-collapse:collapse; width:100%; }
.sg-technical-table tr { border-top:1px solid var(--line-on-light); }
.sg-technical-table th, .sg-technical-table td { padding:20px 0; text-align:left; vertical-align:top; line-height:1.65; }
.sg-technical-table th { font-size:16px; font-weight:650; min-width:105px; width:29%; padding-right:20px; }
.sg-technical-table td { font-size:14px; color:var(--text-gray-on-light); }
.sg-technical-table .sg-link { margin-top:16px; }
.sg-inline-link { color:var(--brand-red); text-decoration:underline; text-decoration-thickness:1px; text-underline-offset:4px; text-decoration-color:currentColor; }
.sg-inline-link:hover { color:#822027; text-decoration-thickness:2px; }
.sg-technical-note { border-left:3px solid var(--brand-red); padding-left:16px; margin:32px 0 0!important; font-size:14px; }
.sg-install-methods { display:grid; gap:52px; margin-top:40px; }
.sg-install-method { border-top:1px solid var(--line-on-light); padding-top:28px; }
.sg-install-method-head { display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1fr); align-items:start; gap:36px; margin-bottom:28px; }
.sg-install-method-head h3 { display:flex; align-items:baseline; gap:14px; color:var(--brand-red); font-size:24px; margin:0; }
.sg-install-method-code { font-size:15px; font-weight:600; letter-spacing:.02em; border-bottom:1px solid currentColor; padding-bottom:3px; }
.sg-install-method-head p { color:var(--text-gray-on-light); font-size:14px; margin:0; }
.sg-install-steps { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:28px; list-style:none; padding:0; margin:0; }
.sg-install-steps > li { min-width:0; }
.sg-install-art .sg-frame { aspect-ratio:4 / 3; background:transparent; }
.sg-install-step-head { display:flex; align-items:baseline; gap:10px; margin-top:20px; }
.sg-install-step-head > span { flex:none; font-size:12px; color:var(--brand-red); font-weight:650; font-variant-numeric:tabular-nums; }
.sg-install-step-head h4 { margin:0; font-size:17px; line-height:1.5; font-weight:650; letter-spacing:-.015em; }
.sg-install-steps > li > p { color:var(--text-gray-on-light); font-size:14px; line-height:1.8; margin:10px 0 0; }
.sg-install-note { border-top:1px solid var(--line-on-light); padding-top:22px; margin:32px 0 0!important; }
.sg-craft-grid { display:grid; grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr); align-items:center; gap:64px; }
.sg-craft-grid .sg-head { margin:0; }
.sg-craft-grid h2 { max-width:480px; }
.sg-process-names { font-size:15px; color:var(--text-gray-on-light); line-height:2; margin-top:32px; }
.sg-test-head { display:flex; align-items:start; justify-content:space-between; gap:32px; }
.sg-test-head > div:first-child { max-width:860px; }
.sg-test-duration { color:var(--brand-red); white-space:nowrap; line-height:1; font-size:30px; font-weight:650; }
.sg-test-duration strong { font-size:90px; letter-spacing:-.08em; }
.sg-test-duration small { font-size:24px; }
.sg-test-grid { display:grid; grid-template-columns:minmax(0,1.65fr) minmax(0,1fr); gap:24px; }
.sg-test-grid > figure { display:flex; flex-direction:column; min-height:0; }
.sg-test-grid > figure .sg-photo { flex:1; min-height:0; }
.sg-test-grid > figure .sg-frame { height:100%; }
.sg-test-grid > figure .sg-frame { aspect-ratio:1.55; }
.sg-test-pair { display:grid; gap:24px; }
.sg-test-pair .sg-frame { aspect-ratio:1.95; }
.sg-page .sg-test-caption { position:static; margin:10px 0 0; padding:0; font-size:13px; line-height:1.65; color:var(--text-gray-on-light); background:transparent; }
.sg-test-grid + .sg-note { text-align:center; margin-top:24px; }
.sg-process-grid { display:grid; grid-template-columns:repeat(5,minmax(0,1fr)); gap:24px; list-style:none; padding:0; margin:40px 0 30px; }
.sg-process-grid > li { position:relative; padding-top:52px; }
.sg-process-grid > li::before { content:""; position:absolute; top:18px; left:0; right:-24px; height:1px; background:#b97679; }
.sg-process-grid > li:last-child::before { right:0; }
.sg-process-grid b { position:absolute; top:0; left:0; display:grid; place-items:center; width:37px; height:37px; border:3px solid var(--surface-white); border-radius:50%; background:var(--brand-red); color:white; font-size:14px; line-height:1; }
.sg-process-grid h3 { font-size:18px; margin-bottom:8px; }
.sg-process-grid p { font-size:14px; line-height:1.7; color:var(--text-gray-on-light); margin:0; }
.sg-inquiry { padding:54px 0; background:var(--surface-black); color:var(--surface-white); }
.sg-inquiry-inner { display:flex; align-items:center; justify-content:space-between; gap:40px; }
.sg-inquiry h2 { font-size:30px; margin-bottom:12px; }
.sg-inquiry p { max-width:850px; font-size:15px; color:var(--text-gray-on-dark); margin:0; }
.sg-inquiry .sg-button { flex:none; }
.sg-catalog { padding:70px 0; }
.sg-catalog .catalog-book-inner { width:min(var(--sg-width),calc(100% - 96px)); padding:0; grid-template-columns:minmax(0,.92fr) minmax(0,1.3fr); gap:32px; }
.sg-catalog .catalog-book-kicker { font-size:14px; }
.sg-catalog .catalog-book-description { margin:22px 0 28px; }
.sg-catalog .catalog-book-stage { aspect-ratio:1.6; }
.sg-catalog .catalog-book-paper { aspect-ratio:var(--catalog-spread-ratio); width:66%; }
.sg-book-spread { display:grid; grid-template-columns:1fr 1fr; height:100%; padding:6%; gap:7%; background:white; color:var(--surface-black); text-align:left; }
.sg-book-spread > .sg-book-leaf { min-width:0; display:flex; flex-direction:column; gap:8px; }
.sg-book-spread .sg-book-logo { width:75%; height:auto; }
.sg-book-spread .sg-book-logo-frame { aspect-ratio:4.5; width:78%; margin-bottom:6px; background:transparent; }
.sg-book-spread .sg-book-logo-frame img { object-fit:contain; }
.sg-book-spread .sg-frame { aspect-ratio:1.1; flex-shrink:0; background:white; }
.sg-book-spread .sg-book-logo-frame { aspect-ratio:8.2; padding:5px 7px; }
.sg-book-spread strong { font-size:clamp(9px,1vw,14px); line-height:1.45; }
.sg-book-spread p, .sg-book-spread .sg-book-text { font-size:clamp(7px,.75vw,11px); line-height:1.65; margin:0; }
.sg-book-spread small { font-size:8px; color:var(--text-gray-on-light); }
.sg-book-spread .sg-book-copy { margin-top:auto; }
.sg-dialog { width:min(1200px,calc(100vw - 40px)); max-height:calc(100dvh - 40px); margin:auto; padding:24px; border:0; background:var(--surface-white); color:var(--surface-black); overflow:auto; }
.sg-dialog::backdrop { background:#09090ad9; }
.sg-dialog-head { display:flex; align-items:center; justify-content:space-between; gap:20px; margin-bottom:18px; }
.sg-dialog-head h2 { font-size:22px; margin:0; }
.sg-dialog-close { min-width:44px; min-height:44px; padding:8px 14px; background:transparent; border:1px solid #b0aea8; cursor:pointer; color:inherit; }
.sg-dialog-frame { display:block; width:100%; height:min(70dvh,900px); overflow:hidden; background:#efede7; }
.sg-dialog-frame > img { display:block; width:100%; height:100%; object-fit:contain; }
.sg-dialog-tools { display:flex; align-items:center; gap:22px; margin-bottom:16px; }
.sg-dialog-tools button { font-size:14px; }
.sg-dialog-scroll { height:min(65dvh,850px); overflow:auto; overscroll-behavior:contain; }
.sg-dialog-scroll .sg-dialog-frame { height:100%; }
.sg-dialog-scroll.is-zoomed .sg-dialog-frame { width:max(200%,1000px); height:auto; aspect-ratio:var(--sg-dialog-ratio,3 / 2); }
.sg-image-caption { margin:14px 0 0!important; font-size:14px; color:var(--text-gray-on-light); }
.sg-faq-layout { display:grid; grid-template-columns:minmax(0,.7fr) minmax(0,1.3fr); gap:64px; align-items:start; }
.sg-faq .sg-lead { max-width:340px; font-size:16px; }
.sg-faq-item { border-top:1px solid var(--line-on-light); }
.sg-faq-item:last-child { border-bottom:1px solid var(--line-on-light); }
.sg-faq-item summary { display:flex; justify-content:space-between; align-items:center; gap:24px; min-height:76px; padding:22px 0; font-size:18px; line-height:1.6; font-weight:600; cursor:pointer; list-style:none; }
.sg-faq-item summary::-webkit-details-marker { display:none; }
.sg-faq-item summary:focus-visible { outline:3px solid var(--brand-gold); outline-offset:5px; }
.sg-faq-item summary:hover, .sg-faq-item[open] summary { color:var(--brand-red); }
.sg-faq-toggle { flex:none; position:relative; width:18px; height:18px; color:var(--brand-red); }
.sg-faq-toggle::before, .sg-faq-toggle::after { content:""; position:absolute; background:currentColor; }
.sg-faq-toggle::before { width:16px; height:1.5px; left:1px; top:8px; }
.sg-faq-toggle::after { width:1.5px; height:16px; top:1px; left:8px; }
.sg-faq-item[open] .sg-faq-toggle::after { display:none; }
.sg-faq-answer { padding:0 42px 24px 0; }
.sg-faq-answer p { color:var(--text-gray-on-light); font-size:15px; line-height:1.9; margin:0; }
.sg-faq-answer .sg-link { margin-top:12px; }
.sg-dialog-body { display:grid; grid-template-columns:1fr 1fr; gap:24px; }
.sg-dialog-body .sg-book-spread { aspect-ratio:1.28; height:auto; border:1px solid var(--line-on-light); }
.sg-dialog-body .sg-book-spread strong { font-size:16px; }
.sg-dialog-body .sg-book-spread p { font-size:12px; }
.sg-dialog-body .sg-book-text { font-size:12px; }
@media (max-width:1200px) {
  .sg-applications-grid { grid-template-columns:repeat(2,minmax(0,1fr)); gap:36px; }
  .sg-application-visual { max-width:360px; }
  .sg-container { width:calc(100% - 64px); }
  .sg-materials-grid { gap:30px; }
  .sg-benefits { gap:20px; }
  .sg-benefits > * + * { padding-left:20px; }
  .sg-technical-grid { gap:28px; }
  .sg-technical-table { padding-left:24px; }
  .sg-catalog .catalog-book-inner { width:calc(100% - 64px); }
}
@media (max-width:900px) {
  .sg-faq-layout { grid-template-columns:1fr; gap:8px; }
  .sg-faq .sg-lead { max-width:620px; }
  .sg-install-method-head { grid-template-columns:1fr; gap:12px; }
  .sg-install-steps { grid-template-columns:repeat(2,minmax(0,1fr)); gap:32px 24px; }
  .sg-applications-grid { grid-template-columns:repeat(2,minmax(0,1fr)); gap:32px; }
  .sg-application h3 { min-height:0; }
  .sg-section { padding-block:64px; }
  .sg-benefits { grid-template-columns:repeat(2,minmax(0,1fr)); gap:28px; }
  .sg-benefits > :nth-child(3) { border-left:0; padding-left:0; }
  .sg-storefront-grid { grid-template-columns:1fr; gap:28px; }
  .sg-storefront-grid > figure:first-child .sg-frame { aspect-ratio:1.7; }
  .sg-materials-grid { grid-template-columns:1fr; gap:32px; }
  .sg-materials-grid > figure .sg-frame { aspect-ratio:2; }
  .sg-swatches { max-width:600px; }
  .sg-head--split { display:block; }
  .sg-head--split > .sg-link { margin-top:0; }
  .sg-technical-grid { grid-template-columns:1fr; gap:32px; }
  .sg-technical-grid > figure { max-width:640px; margin:auto; width:100%; }
  .sg-technical-table { padding-left:0; border:0; }
  .sg-craft-grid { gap:28px; }
  .sg-test-duration strong { font-size:66px; }
  .sg-process-grid { gap:16px; }
  .sg-process-grid h3 { font-size:16px; }
  .sg-process-grid > li::before { right:-16px; }
  .sg-inquiry-inner { align-items:start; flex-direction:column; gap:26px; }
}
@media (max-width:640px) {
  .sg-faq-item summary { gap:18px; min-height:72px; padding-block:20px; font-size:17px; }
  .sg-faq-answer { padding-right:0; }
  .sg-faq-answer p { font-size:14px; }
  .sg-install-methods { margin-top:28px; gap:36px; }
  .sg-install-method { padding-top:22px; }
  .sg-install-method-head { margin-bottom:20px; }
  .sg-install-method-head h3 { font-size:22px; }
  .sg-install-steps { grid-template-columns:1fr; gap:32px; }
  .sg-install-art { max-width:420px; margin-inline:auto!important; }
  .sg-install-step-head { margin-top:16px; }
  .sg-install-step-head h4 { font-size:18px; }
  .sg-applications .sg-head { margin-bottom:24px; }
  .sg-applications-grid { gap:24px 20px; }
  .sg-application { padding:14px 0 16px; }
  .sg-application-visual { margin-bottom:16px; }
  .sg-application h3 { font-size:17px; }
  .sg-application p { font-size:13px; line-height:1.75; }
  .sg-application-uses { font-size:11px; }
  .sg-container { width:calc(100% - 40px); }
  .sg-section { padding-block:50px; scroll-margin-top:84px; }
  .sg-page { font-size:15px; }
  .sg-page h2 { font-size:27px; line-height:1.4; }
  .sg-kicker { font-size:12px; }
  .sg-head { margin-bottom:24px; }
  .sg-lead { font-size:15px; }
  .sg-storefront-grid > figure:first-child .sg-frame { aspect-ratio:1.4; }
  .sg-benefits { gap:24px 18px; margin-top:28px; }
  .sg-benefits > * + * { padding-left:18px; }
  .sg-benefits h3 { font-size:17px; }
  .sg-benefits p { font-size:13px; }
  .sg-range-grid, .sg-case-grid { grid-template-columns:1fr; gap:28px; }
  .sg-range-grid h3, .sg-case h3 { font-size:20px; }
  .sg-swatches { gap:10px; grid-template-columns:repeat(3,minmax(0,1fr)); }
  .sg-swatches a > span:last-child { font-size:12px; }
  .sg-swatches .sg-frame { aspect-ratio:1.35; }
  .sg-materials-grid > figure .sg-frame { aspect-ratio:1.5; }
  .sg-structure-headings { gap:20px; }
  .sg-structure-headings h3 { font-size:21px; }
  .sg-structure-headings p { font-size:13px; }
  .sg-technical-table th { width:31%; font-size:15px; padding-right:14px; }
  .sg-technical-table td { font-size:13px; }
  .sg-technical-table th, .sg-technical-table td { padding-block:16px; }
  .sg-craft-grid { grid-template-columns:1fr; gap:26px; }
  .sg-process-names { margin-top:22px; font-size:14px; }
  .sg-test-head { flex-direction:column; gap:18px; }
  .sg-test-duration { align-self:flex-end; margin-bottom:20px; }
  .sg-test-grid { grid-template-columns:1fr; gap:24px; }
  .sg-test-grid > figure .sg-photo { flex:none; }
  .sg-test-grid > figure .sg-frame { height:auto; aspect-ratio:1.4; }
  .sg-test-pair { grid-template-columns:1fr 1fr; gap:10px; }
  .sg-test-pair .sg-frame { aspect-ratio:1.05; }
  .sg-page .sg-test-caption { margin-top:8px; font-size:12px; }
  .sg-process-grid { grid-template-columns:1fr; gap:0; margin-top:30px; }
  .sg-process-grid > li { padding:0 0 30px 54px; min-height:75px; }
  .sg-process-grid > li::before { top:0; bottom:0; left:18px; width:1px; height:auto; right:auto; }
  .sg-process-grid > li:last-child::before { display:none; }
  .sg-process-grid > li:last-child { padding-bottom:0; }
  .sg-process-grid h3 { font-size:19px; padding-top:3px; }
  .sg-inquiry { padding:40px 0; }
  .sg-inquiry h2 { font-size:26px; }
  .sg-catalog { padding:48px 0; }
  .sg-catalog .catalog-book-inner { width:calc(100% - 40px); display:flex; flex-direction:column; gap:24px; }
  .sg-catalog .catalog-book-copy { padding:0; width:100%; }
  .sg-catalog .catalog-book-visual { width:100%; }
  .sg-book-spread strong { font-size:10px; }
  .sg-book-spread p, .sg-book-spread .sg-book-text { font-size:7px; }
  .sg-dialog { width:calc(100vw - 20px); max-height:calc(100dvh - 20px); padding:16px; }
  .sg-dialog-head h2 { font-size:18px; }
  .sg-dialog-frame { height:65dvh; }
  .sg-dialog-body { grid-template-columns:1fr; }
  .sg-dialog-body .sg-book-spread strong { font-size:14px; }
  .sg-dialog-body .sg-book-spread p { font-size:11px; }
  .sg-dialog-body .sg-book-text { font-size:11px; }
}
@media (prefers-reduced-motion:reduce) { .sg-page *, .sg-page *::before, .sg-page *::after { animation:none!important; transition:none!important; scroll-behavior:auto; } }

@media (max-width:900px) {
  .sg-hero-inner { min-height:450px; }
  .sg-hero-copy { width:min(100%,580px); padding-block:44px; }
  .sg-hero-media { width:85%; }
  .sg-hero::after { background:linear-gradient(90deg,#090909ed 0%,#090909d6 38%,#09090980 72%,#09090940 100%); }
}
@media (max-width:640px) {
  .sg-hero-inner { width:calc(100% - 48px); min-height:500px; align-items:flex-end; }
  .sg-hero-copy { padding:122px 0 32px; }
  .sg-hero-media { width:100%; mask-image:none; }
  .sg-hero-media .sg-frame > img { object-position:58% top; }
  .sg-hero::after { background:linear-gradient(180deg,#09090918 0%,#0909095c 16%,#090909d9 41%,#090909f5 68%,#090909 100%); }
  .sg-hero .sg-kicker { font-size:11px; margin-bottom:12px!important; }
  .sg-hero h1 { font-size:clamp(29px,9.2vw,36px); }
  .sg-hero .sg-hero-slogan { font-size:29px; margin-bottom:18px; }
  .sg-page[lang="zh"] .sg-hero-slogan { font-size:clamp(21px,6.5vw,25px); }
  .sg-hero .sg-lead { font-size:15px; line-height:1.65; }
  .sg-hero .sg-actions { margin-top:22px; gap:10px; }
  .sg-hero .sg-button { width:100%; min-height:46px; padding:11px 14px; font-size:13px; }
}