/* 统一灰阶与基础尺寸，让审核集中于内容层级；颜色和品牌字体留待视觉设计阶段确定。 */
    :root{color-scheme:light;--ink:#232323;--muted:#676767;--line:#d4d4d4;--paper:#fff;--surface:#f0f0ee;--space:clamp(24px,4.5cqw,68px);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif}
    *{box-sizing:border-box}
    body{margin:0;background:#e7e7e4;color:var(--ink);font-size:14px;line-height:1.65}
    button,input,select,textarea{font:inherit}
    button,a,summary{-webkit-tap-highlight-color:transparent}
    button{cursor:pointer}
    a{color:inherit}
    button:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #555;outline-offset:4px}
    button{color:inherit}
    h1,h2,h3,p{margin:0}
    h1,h2,h3{line-height:1.25;text-wrap:balance}
    a,button,span,p{overflow-wrap:anywhere}
    [hidden]{display:none!important}

    /* 审核工具栏属于草图查看器，与客户将看到的网站页面分离。 */
    .review-bar{background:#262626;color:#fff;padding:18px 26px;display:flex;gap:24px;align-items:center;justify-content:space-between}
    .review-title strong{font-size:18px;display:block;font-weight:600;letter-spacing:.02em}
    .review-title span{font-size:12px;color:#d1d1d1}
    .review-controls{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
    .review-controls label{font-size:12px}
    .review-controls select,.review-controls button{min-height:40px;border:1px solid #787878;border-radius:5px;background:#333;color:white;padding:8px 12px}
    .review-controls button[aria-pressed="true"]{background:#fafafa;color:#222}
    .review-select{display:flex;align-items:center;gap:8px}
    .device-controls{display:flex;gap:5px}
    .review-context{display:flex;justify-content:space-between;gap:16px;padding:13px 26px;background:#f7f7f4;border-bottom:1px solid #ccc;font-size:12px;color:#555}
    .review-context strong{color:#262626}
    .review-layout{display:grid;grid-template-columns:minmax(0,1fr) 258px;gap:22px;max-width:1720px;margin:auto;padding:24px}
    .review-layout.without-notes{grid-template-columns:1fr}
    .canvas-wrap{min-width:0}
    .canvas-label{display:flex;justify-content:space-between;align-items:center;margin:0 0 10px;color:#555;font-size:12px}
    .canvas-label span:last-child{font-variant-numeric:tabular-nums}
    .site-viewport{width:100%;margin:0 auto;background:white;border:1px solid #c5c5c5;box-shadow:0 5px 22px #0000000c;container-type:inline-size;container-name:website}
    .canvas-wrap.mobile-mode .site-viewport{width:min(100%,390px)}
    .review-notes{align-self:start;position:sticky;top:18px;background:#f8f8f5;border:1px solid #d0d0cb;padding:23px 20px}
    .review-notes h2{font-size:18px;margin-bottom:12px}
    .review-notes h3{font-size:13px;margin:22px 0 8px}
    .review-notes p,.review-notes li{font-size:12px;color:#555}
    .review-notes ol{padding-left:19px;margin:0;display:grid;gap:12px}
    .note-state{display:inline-block;background:#e4e4df;padding:3px 8px;margin-bottom:16px;font-size:11px}
    .note-list{padding-left:16px;margin:0}
    .note-link{margin-top:16px;display:block;font-size:12px}
    .skip{position:absolute;left:-9999px}
    .skip:focus{position:fixed;left:20px;top:10px;background:white;color:black;padding:10px;z-index:30}

    /* 公共站点骨架统一导航、面包屑和页脚，以便检查不同页面之间的浏览关系。 */
    .site-header{padding:19px var(--space);display:flex;justify-content:space-between;align-items:center;gap:24px;border-bottom:1px solid var(--line);position:relative;z-index:5}
    .brand{text-decoration:none;font-size:23px;font-weight:650;letter-spacing:-.7px;white-space:nowrap}
    .site-nav{display:flex;gap:19px;align-items:center;font-size:12px}
    .site-nav>a{text-decoration:none}
    .product-menu{position:relative}
    .product-menu summary{cursor:pointer;list-style:none;min-height:38px;display:flex;align-items:center;gap:5px}
    .product-menu summary::after{content:"⌄";font-size:14px}
    .product-menu summary::-webkit-details-marker{display:none}
    .product-menu[open]>.menu-panel{display:grid}
    .menu-panel{display:none;position:absolute;top:43px;right:-130px;width:620px;padding:24px;background:white;border:1px solid #aaa;box-shadow:0 12px 20px #00000012;grid-template-columns:1.45fr 1fr;gap:25px}
    .menu-panel h3{font-size:14px;margin-bottom:10px}
    .menu-panel p{font-size:11px;color:var(--muted);margin-bottom:12px}
    .menu-panel button,.menu-panel a{display:block;text-align:left;background:none;border:0;padding:5px 0;text-decoration:none;font-size:12px}
    .menu-panel .menu-all{font-weight:600;border-top:1px solid var(--line);margin-top:10px;padding-top:10px}
    .mobile-nav{display:none}
    .mobile-nav summary{cursor:pointer;min-height:40px;display:flex;align-items:center}
    .mobile-nav div{position:absolute;left:0;right:0;top:70px;border-bottom:1px solid #aaa;background:white;padding:20px var(--space)}
    .mobile-nav a{display:block;text-decoration:none;padding:10px 0;font-size:14px}
    .button{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:44px;padding:12px 20px;border:1px solid var(--ink);background:var(--ink);color:white;text-decoration:none;font-size:12px;font-weight:550}
    .button.secondary{background:transparent;color:var(--ink)}
    .button.small{padding:8px 12px;min-height:38px}
    .text-link{display:inline-block;text-decoration:none;border-bottom:1px solid currentColor;padding:5px 0;font-size:12px}
    .buttons{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
    .breadcrumb{font-size:11px;color:var(--muted);padding:18px var(--space);display:flex;flex-wrap:wrap;gap:8px}
    .breadcrumb a{text-decoration:none}
    .site-footer{background:#eeeeeb;padding:40px var(--space) 24px;border-top:1px solid var(--line)}
    .footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:35px}
    .footer-top p{font-size:12px;color:var(--muted);margin-top:14px;max-width:300px}
    .footer-top h3{font-size:13px;margin-bottom:12px}
    .footer-top a{display:block;text-decoration:none;font-size:12px;margin:8px 0}
    .footer-bottom{display:flex;justify-content:space-between;gap:16px;margin-top:35px;border-top:1px solid #d0d0cd;padding-top:18px;font-size:10px;color:#666}
    .footer-bottom a{margin-left:14px}

    /* 图像框明确标出素材位置，不绘制任何可能被误认为真实产品的外观和配置。 */
    .media-box{position:relative;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:9px;min-height:230px;background:#e7e7e3;border:1px solid #d0d0cc;color:#666;overflow:hidden;text-align:center;padding:25px}
    .media-box::before,.media-box::after{content:"";position:absolute;width:140%;height:1px;background:#d6d6d1;transform:rotate(26deg)}
    .media-box::after{transform:rotate(-26deg)}
    .media-box>*{position:relative;z-index:1;background:#e7e7e3;padding:1px 8px}
    .media-box strong{font-size:15px;font-weight:500}
    .media-box span{font-size:11px}
    .media-box.short{min-height:170px}
    .media-box.tall{min-height:390px}
    .media-box .ratio{position:absolute;right:14px;bottom:12px;padding:3px 6px;font-size:10px}
    .wire-section{padding:60px var(--space);border-bottom:1px solid var(--line);scroll-margin-top:25px}
    .wire-section.tint{background:#f5f5f2}
    .section-heading{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:28px}
    .section-heading h2{font-size:clamp(24px,3.1cqw,38px);font-weight:550}
    .section-heading p{font-size:13px;color:var(--muted);max-width:440px;margin-top:12px}
    .slot-label{display:block;font-size:10px;color:#777;margin-bottom:14px;letter-spacing:.04em}
    .grid-two{display:grid;grid-template-columns:1fr 1fr;gap:28px}
    .grid-three{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
    .grid-four{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
    .plain-card h3{font-size:17px;margin:18px 0 10px;font-weight:550}
    .plain-card p{font-size:12px;color:var(--muted)}
    .plain-card .text-link{margin-top:16px}
    .line-list{list-style:none;margin:20px 0 0;padding:0;border-top:1px solid var(--line)}
    .line-list li{padding:13px 0;border-bottom:1px solid var(--line);font-size:12px;display:flex;justify-content:space-between;gap:20px}
    .tiny{font-size:11px;color:var(--muted)}

    /* 首页采用整屏重点画面和连续内容区块，后续视觉阶段再确定图片、品牌色与动效。 */
    .home-hero{padding:70px var(--space) 56px;min-height:530px;display:grid;grid-template-columns:.9fr 1.1fr;gap:35px;align-items:center;background:#f5f5f2}
    .home-hero h1{font-size:clamp(35px,4.7cqw,60px);font-weight:500;letter-spacing:-.04em;line-height:1.16}
    /* 首屏分句各自保持自然换行，避免在句子之间拆开词语；窄屏字体随画布缩小。 */
    .home-hero h1 span{display:block}
    .home-hero p{margin-top:24px;color:#626262;font-size:14px;max-width:360px}
    .home-hero .media-box{min-height:360px}
    .business-entry{display:block;border-top:1px solid #8b8b85;padding-top:21px}
    .business-entry h3{font-size:25px;font-weight:500;margin:21px 0 10px}
    .business-entry .english{font-size:11px;display:block;color:#757575;margin-bottom:17px}
    .business-entry p{font-size:13px;color:var(--muted);min-height:44px}
    .business-entry .media-box{min-height:220px}
    .feature-row{display:grid;grid-template-columns:1.2fr .8fr;gap:42px;align-items:center;margin-top:34px}
    .feature-row.reverse{grid-template-columns:.8fr 1.2fr}
    .feature-row h3{font-size:30px;font-weight:500;margin-bottom:18px}
    .feature-row p{font-size:13px;color:var(--muted)}
    .process{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
    .process-step{border-top:1px solid #8b8b85;padding-top:20px}
    .process-step strong{font-size:11px;color:#777;font-weight:400}
    .process-step h3{font-size:18px;margin:14px 0 10px;font-weight:500}
    .process-step p{font-size:12px;color:var(--muted)}
    .logo-rail{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:12px}
    .logo-slot{height:67px;display:flex;align-items:center;justify-content:center;border:1px dashed #bfbfb9;background:#fafaf7;color:#777;font-size:11px}
    .inquiry-band{display:flex;align-items:center;justify-content:space-between;gap:30px}
    .inquiry-band h2{font-size:clamp(28px,4cqw,46px);font-weight:500}
    .inquiry-band p{margin-top:14px;font-size:13px;color:var(--muted)}

    /* 目录页先体现两条业务和分类层级；筛选只用于示意，不声称已接入完整产品数据库。 */
    .page-intro{padding:42px var(--space) 45px;background:#f5f5f2}
    .page-intro h1{font-size:clamp(30px,4.5cqw,54px);font-weight:500;letter-spacing:-.025em}
    .page-intro p{font-size:13px;max-width:600px;margin-top:17px;color:var(--muted)}
    .catalogue-layout{padding:40px var(--space) 60px;display:grid;grid-template-columns:205px minmax(0,1fr);gap:35px}
    .category-rail h2{font-size:13px;font-weight:600;margin-bottom:13px}
    .category-rail button{display:block;width:100%;text-align:left;border:0;border-bottom:1px solid #e4e4e0;background:white;padding:12px 10px;font-size:12px}
    .category-rail button[aria-current="true"]{background:#e9e9e5;border-left:3px solid #333;font-weight:600}
    .catalogue-main{min-width:0}
    .catalogue-main h2{font-size:27px;font-weight:500}
    .category-mobile{display:none}
    .group-chips{display:flex;flex-wrap:wrap;gap:8px;margin:19px 0 26px}
    .chip{background:white;border:1px solid #c3c3bd;padding:8px 12px;font-size:11px;min-height:38px}
    .chip[aria-pressed="true"]{background:#333;color:white;border-color:#333}
    .result-line{font-size:11px;color:#666;display:flex;justify-content:space-between;margin-bottom:17px}
    .product-card{text-decoration:none;display:block}
    .product-card .media-box{min-height:175px}
    .product-card h3{font-size:18px;margin:17px 0 8px;font-weight:550}
    .product-card p{font-size:11px;color:#666;min-height:35px}
    .product-card .text-link{margin-top:10px}
    .catalogue-help{border-top:1px solid var(--line);margin-top:35px;padding-top:25px}
    .catalogue-help h3{font-size:19px;font-weight:500}

    /* 详情页共用图文骨架，生物与半导体的参数、工艺内容分别安排，避免错误复用业务字段。 */
    .product-hero{padding:20px var(--space) 48px;display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center}
    .product-hero h1{font-size:clamp(33px,4.8cqw,56px);font-weight:500}
    .product-hero .intro{font-size:15px;margin-top:18px}
    .product-hero .copy>p{color:var(--muted);font-size:13px;margin-top:17px}
    .thumbs{display:grid;grid-template-columns:repeat(4,1fr);gap:9px;margin-top:10px}
    .thumb{border:1px solid var(--line);background:#f5f5f1;height:57px;font-size:10px;color:#777;display:flex;align-items:center;justify-content:center}
    .product-hero .media-box{min-height:350px}
    .quick-data{display:grid;grid-template-columns:1fr 1fr;gap:0 24px;margin-top:22px}
    .quick-data>div{padding:13px 0;border-top:1px solid var(--line)}
    .quick-data dt{font-size:10px;color:#777;margin-bottom:5px}
    .quick-data dd{margin:0;font-size:12px}
    .section-nav{display:flex;flex-wrap:wrap;gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:0 var(--space);background:#fafaf7}
    .section-nav a{font-size:11px;text-decoration:none;padding:16px 17px 16px 0;margin-right:17px}
    .spec-table{width:100%;border-collapse:collapse;font-size:12px}
    .spec-table th,.spec-table td{padding:16px 18px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
    .spec-table th{width:33%;font-weight:500;background:#f5f5f2}
    .faq details{border-top:1px solid var(--line)}
    .faq details:last-child{border-bottom:1px solid var(--line)}
    .faq summary{font-size:13px;padding:19px 0;cursor:pointer}
    .faq p{font-size:12px;color:var(--muted);padding:0 0 20px;max-width:680px}
    .config-box{border:1px solid var(--line);padding:23px;margin-bottom:15px}
    .config-box h3{font-size:17px;margin-bottom:10px}
    .config-box p{font-size:12px;color:var(--muted)}
    .configuration-grid{display:grid;grid-template-columns:1fr 1fr;gap:25px}
    .sequence{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
    .sequence span{padding:15px 20px;border:1px solid #c5c5be;font-size:12px}
    .sequence i{font-style:normal;color:#777}

    /* 询盘页展示字段和来源关联；本地预览只演示反馈，不保存、不发送客户资料。 */
    .inquiry-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:48px;padding:40px var(--space) 65px}
    .inquiry-layout h2{font-size:22px;font-weight:500}
    .inquiry-layout p{font-size:12px;color:var(--muted);margin-top:17px}
    .source-card{border:1px solid #bcbcb5;background:#f8f8f4;padding:20px;margin-top:24px}
    .source-card strong{font-size:12px;display:block;margin-bottom:10px}
    .source-card p{margin:5px 0;font-size:11px}
    .contact-slot{border-top:1px solid var(--line);margin-top:25px;padding-top:17px}
    .contact-slot p{margin-top:8px}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:19px}
    .field{display:block;font-size:12px}
    .field.full{grid-column:1/-1}
    .field span{display:block;margin-bottom:8px}
    .field input,.field textarea,.field select{display:block;width:100%;padding:11px 12px;background:white;border:1px solid #bcbcb5;min-height:45px;border-radius:0}
    .field input[readonly]{background:#f0f0ec;color:#666}
    .field small{font-size:10px;color:var(--muted);display:block;margin-top:6px}
    .consent{display:flex;align-items:start;gap:9px;font-size:11px;margin-top:20px}
    .consent input{width:18px;height:18px;flex-shrink:0;margin-top:1px}
    .demo-feedback{border:1px solid #888;padding:16px;margin-top:20px;font-size:12px;background:#f1f1eb}
    .outline-block{border:1px dashed #b8b8b0;padding:25px;min-height:115px}
    .outline-block h3{font-size:19px;margin-bottom:12px}
    .outline-block p{font-size:12px;color:var(--muted)}
    .outline-stack{display:grid;gap:22px}
    .outline-step{display:flex;align-items:start;gap:18px}
    .outline-step .order{font-size:11px;color:#777;min-width:35px;margin-top:4px}
    .outline-step>div{flex:1}
    .empty-result{padding:35px 0;border-top:1px solid var(--line);margin-top:20px}
    .empty-result h3{font-size:19px}
    .empty-result p{font-size:12px;color:var(--muted);margin:15px 0}

    /* 容器查询依据草图画布宽度调整站点布局，使电脑上的手机模式与真实窄屏结构一致。 */
    @container website (max-width:900px){
      .site-nav{gap:11px}.site-nav>a:not(.button){font-size:11px}
      .catalogue-layout{grid-template-columns:160px minmax(0,1fr);gap:22px}
      .grid-three{gap:16px}.home-hero{gap:23px}.product-hero{gap:25px}
    }
    @container website (max-width:700px){
      .site-header{padding:14px 22px}.site-nav{display:none}.mobile-nav{display:block}.brand{font-size:22px}
      .home-hero{grid-template-columns:1fr;padding:38px 22px 28px;gap:26px;min-height:auto}
      .home-hero h1{font-size:clamp(32px,10cqw,39px)}.home-hero p{font-size:13px;margin-top:18px}
      .home-hero .media-box{min-height:260px}.buttons{gap:9px;margin-top:20px}
      .wire-section{padding:36px 22px}.section-heading{display:block;margin-bottom:21px}.section-heading h2{font-size:27px}
      .section-heading .text-link{margin-top:13px}
      .grid-two,.grid-three,.grid-four{grid-template-columns:1fr;gap:24px}
      .business-entry h3{font-size:24px}.business-entry .media-box{min-height:190px}
      .feature-row,.feature-row.reverse{grid-template-columns:1fr;gap:22px}
      .feature-row.reverse .media-box{grid-row:1}.feature-row h3{font-size:25px}.media-box.tall{min-height:260px}
      .process{grid-template-columns:1fr 1fr;gap:23px 18px}
      .process-step h3{font-size:17px}.logo-rail{grid-template-columns:repeat(3,minmax(0,1fr))}
      .inquiry-band{display:block}.inquiry-band h2{font-size:31px}.inquiry-band>.button{margin-top:23px}
      .page-intro{padding:25px 22px 30px}.page-intro h1{font-size:32px}.breadcrumb{padding:16px 22px}
      .catalogue-layout{display:block;padding:24px 22px 38px}.category-rail{display:none}.category-mobile{display:block;margin-bottom:23px}
      .category-mobile label{font-size:11px}.category-mobile select{display:block;width:100%;min-height:44px;margin-top:8px;padding:8px}
      .catalogue-main h2{font-size:25px}.catalogue-main .grid-three{grid-template-columns:1fr 1fr;gap:20px 14px}
      .product-card .media-box{min-height:145px;padding:12px}.product-card .media-box strong{font-size:12px}
      .product-card h3{font-size:16px}.product-card p{font-size:10px}
      .group-chips{gap:6px}.chip{font-size:10px;min-height:38px;padding:7px 9px}
      .product-hero{display:flex;flex-direction:column;padding:7px 22px 30px;gap:28px;align-items:stretch}
      .product-hero h1{font-size:37px}.product-hero .media-box{min-height:270px}
      .section-nav{padding:0 22px}.section-nav a{padding:12px 8px 12px 0;margin-right:11px}
      .spec-table th,.spec-table td{padding:13px 12px;font-size:11px}.spec-table th{width:38%}
      .configuration-grid{grid-template-columns:1fr}
      .inquiry-layout{display:block;padding:26px 22px 40px}.inquiry-layout form{margin-top:30px}
      .form-grid{grid-template-columns:1fr}.field{grid-column:1/-1}
      .footer-top{grid-template-columns:1fr 1fr;gap:25px}.footer-top>div:first-child{grid-column:1/-1}
      .site-footer{padding:32px 22px 22px}.footer-bottom{display:block}.footer-bottom>div{margin-top:10px}.footer-bottom a{margin:0 15px 0 0}
    }
    /* 查看器本身也适配窄屏，保证负责人在手机上能选择页面、模式和批注。 */
    @media(max-width:1000px){.review-layout{grid-template-columns:1fr}.review-notes{position:static;display:grid;grid-template-columns:1fr 1fr;gap:15px}.review-notes>h2,.review-notes>.note-state{grid-column:1/-1}.review-notes h3{margin-top:0}.review-bar{align-items:start}.review-title{max-width:240px}}
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