/* Approved UI refinement. Original content, real photography and brand vocabulary are retained. */
:root{--reading-ink:#3d4953;--reading-muted:#596874}
/* A consistent reading scale applies to product, standard, service and article templates. */
:where(.card,.card-body,.product-main,.article-body,.page-header-text,.stage-description){min-width:0}
:where(.prose,.article-body,.intro-prose){color:var(--reading-ink);line-height:1.9}
:where(.product-main .prose,.article-body,.intro-prose){max-width:72ch}
:where(.prose,.article-body,.intro-prose) p{margin-block:0 1.2em}
:where(.prose,.article-body) li{margin-block:.4em}
:where(.prose,.article-body) h2{line-height:1.4;margin-top:2em;margin-bottom:.8em}
:where(.prose,.article-body) h3{line-height:1.5;margin-top:1.6em;margin-bottom:.65em}
.page-header .lead,.section-lead{max-width:72ch;line-height:1.85}
.eyebrow,.card-meta,.card-brand,.card-foot,.small,.stage-source,.crumbs{font-size:13px}
.card-meta,.card-foot,.stage-source,.crumbs,.muted{color:var(--reading-muted)}
.crumbs li{font-size:12px;line-height:1.7}
.crumbs ol{row-gap:4px}
.model,.product-model,.stage-model,.card-models{word-break:normal;overflow-wrap:normal;hyphens:none}
.model-token{display:inline-block;max-width:100%;white-space:nowrap;word-break:normal;overflow-wrap:normal}
.model-token--long{white-space:normal}
.card-title,.post-title{overflow-wrap:normal;word-break:normal}
.card-params{font-size:13px;line-height:1.65}
.card-params dt{color:var(--reading-muted)}
.card-params dd{font-size:14px;line-height:1.65;font-variant-numeric:tabular-nums}
.chip{font-size:13px;line-height:1.55}
.product-main .prose{font-size:17px;line-height:1.9;max-width:72ch}
.spec-table th,.spec-table td{font-size:15px;line-height:1.75;vertical-align:top;padding:16px 18px;word-break:normal;overflow-wrap:break-word}
.spec-table th{width:34%;color:#45535e}
.note{font-size:14px;line-height:1.8}
.anchor-nav a{font-size:14px;min-height:48px;display:flex;align-items:center}
.side-card p,.side-list{font-size:14px;line-height:1.8}
/* Home: retain the full-width manufacturer film and improve supporting copy and controls. */
.film-eyebrow{font-size:13px;letter-spacing:.065em;line-height:1.8;color:#f1f4f6;max-width:660px}
.film-lead{font-size:17px;color:#f1f4f6}
.film-watch,.film-pause{font-size:14px;min-height:44px}
.film-topic{font-size:13px;color:#edf1f4}
.film-choice{opacity:.86}
.film-choice.is-active{opacity:1}
.film-directory span{font-size:12px}
.film-directory a{font-size:14px;min-height:48px}
/* Broad category cards: the image has its own area rather than competing with a thin text column. */
.page-home .compact-catalog,.page-products .grid-4,.page-brand .grid-4{grid-template-columns:repeat(3,minmax(0,1fr));gap:0 36px}
.page-home .compact-catalog .cat-card,.page-products .cat-card,.page-brand .cat-card{display:grid;grid-template-columns:minmax(0,1fr);grid-template-rows:auto 1fr;padding:26px 0 30px;border:0;border-bottom:1px solid var(--line);height:100%;background:none}
.page-home .compact-catalog .card-media,.page-products .cat-card .card-media,.page-brand .cat-card .card-media{height:250px;aspect-ratio:auto;background:#f4f6f7;border:0;width:100%;align-self:stretch}
.page-home .compact-catalog .card-media img,.page-products .cat-card .card-media img,.page-brand .cat-card .card-media img{padding:14px 22px;object-fit:contain}
.page-home .compact-catalog .card-body,.page-products .cat-card .card-body,.page-brand .cat-card .card-body{padding:22px 2px 0;align-self:start;justify-content:start;min-width:0}
.page-home .compact-catalog .card-title,.page-products .cat-card .card-title,.page-brand .cat-card .card-title{font-size:21px;line-height:1.5;margin-top:0;margin-bottom:8px}
.page-home .compact-catalog .card-desc,.page-products .cat-card .card-desc,.page-brand .cat-card .card-desc{display:block;font-size:14px;line-height:1.8;color:var(--reading-muted);margin:0 0 13px}
.page-home .compact-catalog .card-foot,.page-products .cat-card .card-foot,.page-brand .cat-card .card-foot{display:block;font-size:13px;line-height:1.7;padding-top:0;border:0;color:var(--reading-muted)}
.card-models{display:block;font-size:13px;line-height:1.9;margin-top:7px;color:#334653}
.catalog-filter button,.filter-chips button.chip{font-size:14px;min-height:48px;line-height:1.5}
/* Product families: allow the real equipment to dominate, with a restrained model watermark. */
.stage-layout{grid-template-columns:110px minmax(0,1.35fr) minmax(0,1fr);grid-template-rows:minmax(520px,auto) auto;column-gap:36px;padding-top:44px}
.stage-watermark{font-size:clamp(60px,7vw,112px);top:20px;left:4%;max-width:70%;color:#52647219;transform:none;letter-spacing:-.03em;overflow:hidden}
.stage-index{padding-top:40px}
.stage-object{padding-top:30px;padding-bottom:22px;align-items:center;min-width:0;overflow:visible}
.stage-object img,.equipment-stage--tower .stage-object img{position:static;width:100%;height:510px;max-height:510px;max-width:100%;object-fit:contain;object-position:center;transform:none;animation:none}
.stage-description,.equipment-stage--tower .stage-description{transform:none;padding:18px 0 32px}
.stage-description h1,.equipment-stage--tower .stage-description h1{font-size:32px;line-height:1.4;margin-bottom:24px;overflow-wrap:normal;word-break:normal}
.stage-model,.equipment-stage--tower .stage-model{font-size:clamp(40px,4.2vw,64px);line-height:1.15;letter-spacing:-.035em;white-space:nowrap}
.stage-model.stage-model--long,.equipment-stage--long .stage-model{white-space:normal;font-size:clamp(28px,2.8vw,42px);line-height:1.28;letter-spacing:-.02em}
.stage-lead{font-size:16px;line-height:1.9;max-width:48ch}
.stage-source{display:inline-block;line-height:1.6;padding-block:8px}
.stage-data{grid-template-columns:1fr 1.25fr 1fr 190px;gap:25px;align-items:start;padding-block:24px 30px}
.stage-datum>span{font-size:13px;line-height:1.6;color:#4c5e6b}
.stage-datum>strong{font-size:23px;line-height:1.5;letter-spacing:-.015em;word-break:normal;overflow-wrap:normal}
.stage-datum .chip{font-size:15px;line-height:1.7}
.stage-phone{font-size:13px}
.product-layout{gap:64px}
.page-category #models .card-title{font-size:22px;line-height:1.5}
.page-category #models .card-meta,.page-category #models .card-params{font-size:13px}
.page-category #models .card-params dd{font-size:14px;line-height:1.6}
.page-category #models .chip{font-size:12px;line-height:1.6}
/* The same wider image and type treatment benefits technical recommendations and related products. */
.page-standard .grid-4,.page-article .grid-4{grid-template-columns:repeat(3,minmax(0,1fr))}
.article-body{font-size:17px;line-height:1.9}
.article-head .lead{max-width:70ch;font-size:17px;line-height:1.85}
@media(max-width:1199px){
 .page-home .compact-catalog,.page-products .grid-4,.page-brand .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));column-gap:32px}
 .stage-layout{grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);grid-template-rows:auto auto;column-gap:32px;padding-top:30px}
 .stage-index{display:none}.stage-object img,.equipment-stage--tower .stage-object img{height:440px;max-height:440px}
 .stage-description h1,.equipment-stage--tower .stage-description h1{font-size:28px}
 .stage-model,.equipment-stage--tower .stage-model{font-size:48px}
 .stage-data{grid-template-columns:1fr 1.25fr;gap:22px 30px}.stage-conversion{grid-column:2;grid-row:2}.stage-standards{grid-column:1;grid-row:2}
 .page-standard .grid-4,.page-article .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:760px){
 .wrap{padding-inline:24px}
 .section{padding-block:48px}
 .page-home .compact-catalog,.page-products .grid-4,.page-brand .grid-4{grid-template-columns:minmax(0,1fr);gap:0}
 .page-home .compact-catalog .cat-card,.page-products .cat-card,.page-brand .cat-card{grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);grid-template-rows:auto;gap:24px;padding-block:24px;align-items:center}
 .page-home .compact-catalog .card-media,.page-products .cat-card .card-media,.page-brand .cat-card .card-media{height:220px}
 .page-home .compact-catalog .card-media img,.page-products .cat-card .card-media img,.page-brand .cat-card .card-media img{padding:10px}
 .page-home .compact-catalog .card-body,.page-products .cat-card .card-body,.page-brand .cat-card .card-body{padding:0;align-self:center}
 .page-home .compact-catalog .card-title,.page-products .cat-card .card-title,.page-brand .cat-card .card-title{font-size:20px}
 .stage-layout{grid-template-columns:minmax(0,1fr);grid-template-rows:auto auto auto;padding-top:26px;gap:0}
 .stage-watermark{display:block;font-size:76px;top:28px;left:24px;color:#52647213;max-width:80%}
 .stage-description,.equipment-stage--tower .stage-description{grid-row:1;padding:0 0 20px;max-width:640px}
 .stage-brand,.stage-brand img{width:138px;height:40px;margin-bottom:10px}
 .stage-description h1,.equipment-stage--tower .stage-description h1{font-size:28px;margin-bottom:16px}
 .stage-model,.equipment-stage--tower .stage-model{font-size:46px;line-height:1.2}
 .stage-model.stage-model--long,.equipment-stage--long .stage-model{font-size:30px;line-height:1.3}
 .stage-lead{font-size:15px;line-height:1.85;padding-top:15px;max-width:64ch;margin-bottom:2px}
 .stage-source{font-size:13px}
 .stage-object{grid-row:2;padding:4px 0 20px}
 .stage-object img,.equipment-stage--tower .stage-object img{height:360px;max-height:360px}
 .stage-data{grid-row:3;grid-column:1;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:22px 24px;padding-block:24px}
 .stage-datum>strong{font-size:21px;line-height:1.5}.stage-datum>span{font-size:13px}.stage-datum .chip{font-size:14px}
 .stage-conversion .btn{font-size:14px;min-height:48px;padding:12px;gap:8px}
 .page-header{padding-block:34px}.page-header h1{font-size:34px;line-height:1.35}.page-header .lead{font-size:16px}
 .page-header-inner,.page-category .page-header-inner{grid-template-columns:1fr;gap:25px}
 .page-header-aside{width:100%}.page-header-img{width:100%;height:250px}.page-header-img img{max-height:250px}
 .category-stage-three,.page-category .page-header-aside:has(.category-stage-three){width:100%;gap:18px}.category-stage-three img{height:180px}.category-stage-three a:nth-child(3){display:block}
 .product-main .prose,.article-body{font-size:16px;line-height:1.9}
 .spec-table th,.spec-table td{font-size:14px;line-height:1.75;padding:14px 12px}
 .anchor-nav a{font-size:13px;padding-inline:14px}
 .film-eyebrow{font-size:12px;letter-spacing:.04em}.film-lead{font-size:15px}.film-watch,.film-pause{font-size:13px;min-height:44px}.film-topic{font-size:12px}.film-number{font-size:11px}
 .film-content{padding-bottom:180px}.film-hero{min-height:660px;height:auto;max-height:none}.film-bottom{gap:18px}
 .film-directory .wrap{gap:12px 26px}.film-directory a{font-size:13px;white-space:normal;flex:initial;padding-block:12px}.film-directory a:last-child{display:flex}
 .film-dialog-head button{min-height:44px;font-size:14px}
 .card-meta,.card-params,.page-category #models .card-meta,.page-category #models .card-params{font-size:13px}
 .card-params dd,.page-category #models .card-params dd{font-size:14px}
 .page-category #models .product-card{grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:20px;padding:24px 0}
 .page-category #models .card-body{padding:0}.page-category #models .card-media{height:230px}.page-category #models .card-title{font-size:21px}
 .page-category #models .card-params div{display:block}.page-category #models .card-params dd{margin-top:3px}
 .jump-nav a{font-size:13px;min-height:48px}
 .filter-chips button.chip,.catalog-filter button{font-size:13px;min-height:48px}
 .article-head h1{font-size:32px;line-height:1.4}.article-head .lead{font-size:16px}.article-body h2{font-size:26px}
}
@media(max-width:480px){
 .wrap{padding-inline:20px}
 .header-row{padding-inline:12px}
 .section-head{gap:16px;align-items:flex-start}.section-link{font-size:13px;line-height:1.7}
 .page-home .compact-catalog .cat-card,.page-products .cat-card,.page-brand .cat-card{grid-template-columns:minmax(0,1fr);gap:18px;padding-block:24px}
 .page-home .compact-catalog .card-media,.page-products .cat-card .card-media,.page-brand .cat-card .card-media{height:260px}
 .page-home .compact-catalog .card-media img,.page-products .cat-card .card-media img,.page-brand .cat-card .card-media img{padding:12px 25px}
 .page-home .compact-catalog .card-title,.page-products .cat-card .card-title,.page-brand .cat-card .card-title{font-size:22px}
 .page-home .compact-catalog .card-desc,.page-products .cat-card .card-desc,.page-brand .cat-card .card-desc{font-size:15px}
 .page-home .compact-catalog .card-foot,.page-products .cat-card .card-foot,.page-brand .cat-card .card-foot,.card-models{font-size:13px}
 .stage-object img,.equipment-stage--tower .stage-object img{height:320px;max-height:320px}
 .stage-watermark{display:none}.stage-description h1,.equipment-stage--tower .stage-description h1{font-size:26px}
 .stage-model,.equipment-stage--tower .stage-model{font-size:42px}.stage-model.stage-model--long,.equipment-stage--long .stage-model{font-size:29px}
 .stage-data{gap:22px 16px}.stage-datum>strong{font-size:18px}.stage-datum>span{font-size:12px}.stage-datum .chip{font-size:13px}
 .stage-conversion .btn{font-size:13px}.spec-table th{width:35%}
 .film-content{padding:32px 20px 205px}.film-hero{min-height:720px}.film-bottom{padding-inline:20px;bottom:22px}.film-selector{gap:20px}.film-choice{min-width:0;gap:8px}.film-choice strong{font-size:15px}.film-topic{font-size:12px;line-height:1.6}
 .film-lead{font-size:14px}.film-eyebrow{font-size:12px;max-width:330px}.film-primary{font-size:14px;min-height:48px}.film-watch{font-size:13px;min-height:44px}.film-actions{gap:12px 20px}.film-pause{font-size:13px;min-height:44px}
 .film-directory .wrap{gap:0;align-items:stretch}.film-directory a{flex:1 1 100%;justify-content:space-between;border-bottom:1px solid #d7dde1;font-size:14px;padding-block:14px}.film-directory a:last-child{border:0}
 .page-category #models .product-card{grid-template-columns:minmax(0,1fr);gap:14px;padding:25px 0}
 .page-category #models .card-media{height:270px;background:#f4f6f7}.page-category #models .card-media img{padding:15px 25px}
 .page-category #models .card-title{font-size:22px}.page-category #models .card-params div{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:14px;align-items:start}.page-category #models .card-params dd{margin:0}
 .page-standard .grid-4,.page-article .grid-4{grid-template-columns:minmax(0,1fr)}
 .article-head h1,.page-header h1{font-size:30px}
}
@media(prefers-reduced-motion:reduce){.stage-object img,.stage-description{animation:none!important}}

/* Review 2026-10-05: no reserved end slot after decorative-arrow removal. */
.stage-conversion .btn{justify-content:center;gap:0}
.film-primary,.section-link,.link-arrow,.mega-all{column-gap:0}
/* 2026-10-15 review quick fixes (docs/operations/2026-10-15-体验与SEO-GEO审查.md A1/A2/T1/T6). */
/* T6: white text on the orange CTA reaches WCAG AA (≈5.2:1); accent lines and highlights keep the brighter orange. */
.btn-accent,.skip-link{background:#c2410c;border-color:#c2410c;color:#fff}
.btn-accent:hover{background:#9a3412;border-color:#9a3412;color:#fff}
/* A1: home catalogue search. */
.catalog-search{margin:0 0 28px;max-width:640px;border-radius:2px;background:#fff}
.catalog-search .btn{border-radius:2px;min-height:44px}
.catalog-search input{font-size:15px}
@media(min-width:1200px){
 /* T1: readable primary navigation. */
 .main-nav .nav-item>a,.main-nav li>a{font-size:14px;font-weight:500}
 .main-nav>ul{gap:18px}
 /* A1: header search collapses to an icon and expands over the navigation when focused. */
 .header-row>.search-box{display:block;position:relative;flex:none;width:36px;height:36px;margin:0}
 .header-row>.search-box input{position:absolute;right:0;top:0;width:36px;height:36px;padding:0 0 0 36px;border:1px solid transparent;border-radius:18px;background:transparent;color:transparent;cursor:pointer;font-size:14px;transition:width .2s,background .2s}
 .header-row>.search-box input::placeholder{color:transparent}
 .header-row>.search-box input::-webkit-search-cancel-button{display:none}
 .header-row>.search-box:focus-within input{width:300px;padding:0 40px 0 16px;border-color:var(--line);background:#fff;color:var(--ink);cursor:text;box-shadow:0 6px 18px #17325214}
 .header-row>.search-box:focus-within input::placeholder{color:var(--muted)}
 .header-row>.search-box button{position:absolute;right:0;top:0;width:36px;height:36px;border:0;border-radius:50%;background:transparent;color:var(--ink-2);display:flex;align-items:center;justify-content:center;pointer-events:none}
 .header-row>.search-box:focus-within button{pointer-events:auto;color:var(--primary)}
 .header-row>.search-box .search-drop{left:auto;right:0;width:400px;top:44px}
 .header-row>.search-box:hover button{color:var(--primary)}
}
/* A2: hotline visible on desktop. */
@media(min-width:1440px){
 .header-row>.header-phone,.page-home .header-row>.header-phone{display:flex;flex:none;margin:0;text-align:right;line-height:1.35}
 .header-row>.header-phone .header-phone-label{font-size:11px;color:var(--muted)}
 .header-row>.header-phone .header-phone-num{font-family:var(--sans);font-size:15px;font-weight:600;color:var(--ink);font-variant-numeric:tabular-nums}
}