/* 新构图以完整画面、常规字重和不同信息密度形成节奏；色面只表示图片需求，不是最终视觉素材。 */
:root{--ink:#153247;--muted:#526a7d;--line:#dce6ee;--space:clamp(24px,4.5cqw,64px);--blue:#195bfa;font-family:"Microsoft YaHei UI","Microsoft YaHei","PingFang SC",Arial,sans-serif}
body{background:#eef2f6;color:var(--ink);font-size:16px}
.review-bar{background:#173247;padding:13px 23px}
.review-title strong{font-size:17px;font-weight:500}
.review-controls select,.review-controls button{background:#234256;border-color:#628092}
.review-controls button[aria-pressed="true"]{background:white;color:#173247}
.review-context{background:#f7fafc;color:#526a7d;border-color:#dbe4ec}
.review-layout{padding:20px;gap:20px;max-width:1740px}
.site-viewport{max-width:1500px;border:0;box-shadow:none;background:white}
.review-notes{background:white;border-color:#dbe5ed}
.note-state{background:#edf4fb;color:#365a77}
.canvas-label{color:#536d80}
.site-header{background:white;position:sticky;top:0;min-height:88px;padding:20px var(--space);border-color:#e5edf2;z-index:20}
.brand{font-size:25px;font-weight:500;letter-spacing:-1px;color:#143348}
.site-nav{font-size:13px;gap:22px}
.site-nav>a{text-decoration:none}
.menu-panel{background:white;border-color:#d4e0e9;border-radius:12px;box-shadow:0 15px 36px #18364c16}
.menu-panel h3{font-weight:500}
.menu-panel a:hover{color:#195bfa}
.button{background:#195bfa;border:1px solid #195bfa;min-height:48px;padding:12px 25px;font-size:14px;font-weight:400;border-radius:999px}
.button.secondary{background:transparent;color:#22445c;border-color:#acbfd0}
.button:hover{background:#1048cb;border-color:#1048cb}
.button.secondary:hover{background:#edf4ff}
.text-link{color:#195bfa;font-size:14px;font-weight:400}
.button.small{min-height:42px;padding:9px 19px}
.slot-label{font-size:12px;font-weight:400;color:#5a7387;letter-spacing:0}
.breadcrumb{font-size:12px;color:#526c80}
.mobile-nav summary{color:#2d4f67}
.mobile-nav div{background:white;border-color:#dbe5ed}
.site-footer{background:#f0f5fa;border-color:#dbe6ef;padding-top:54px;padding-bottom:32px}
.footer-top h3{font-weight:500;font-size:14px}
.footer-top p,.footer-top a{font-size:13px;line-height:1.8;color:#526a7d}
.footer-bottom{font-size:12px;border-color:#d2e1eb;color:#526c80}

/* 首页首屏与产品首屏都使用一个全幅图片区，图片策划需保留单独的文案安全区域。 */
.composition-hero{position:relative;min-height:calc(100svh - 88px);overflow:hidden;color:white;background:#456780}
.full-picture{position:absolute;inset:0;background:#638098;overflow:hidden}
.full-picture::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#142f4dcc 0,#2b4d6860 51%,transparent 82%)}
.hero-photo-guide{position:absolute;right:7%;top:15%;bottom:12%;width:45%;border:1px solid #ffffff45;border-radius:12px;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:12px;text-align:center;color:#fff;z-index:1}
.hero-photo-guide strong{font-size:18px;font-weight:400}
.hero-photo-guide span{font-size:12px;max-width:230px}
.hero-copy{position:relative;z-index:2;padding:clamp(100px,13cqw,190px) var(--space) 95px;width:57%;min-height:calc(100svh - 88px);display:flex;flex-direction:column;justify-content:center;align-items:start}
.hero-copy h1{font-size:clamp(42px,5.556cqw,84px);font-weight:400;line-height:1.13;letter-spacing:-.035em}
.hero-copy h1 span{display:block}
.hero-copy p{font-size:18px;line-height:1.7;max-width:420px;margin-top:29px;color:#f0f5fa}
.hero-copy .slot-label{color:#e2ebf2;margin-bottom:25px;font-size:13px}
.hero-copy .buttons{margin-top:29px}
.hero-copy .button.secondary{color:white;border-color:#ffffffa0}
.hero-copy .button.secondary:hover{background:#ffffff16}
.picture-tag{position:absolute;right:25px;bottom:23px;color:#fff;font-size:11px;z-index:3;background:#183d5dd9;padding:5px 11px;border-radius:20px}
.scroll-cue{position:absolute;left:var(--space);bottom:27px;z-index:3;color:#e6eef5;font-size:12px}
.scroll-cue::before{content:"";display:inline-block;width:1px;height:25px;background:#bed1df;vertical-align:middle;margin-right:12px}

/* 居中承接段通过静止和大幅留白缓和首屏，避免连续九段同一种标题与卡片排列。 */
.brand-statement{padding:150px var(--space) 145px;text-align:center;background:#fff}
.brand-statement h2{max-width:970px;margin:auto;font-size:clamp(32px,4.8cqw,72px);font-weight:400;line-height:1.25;letter-spacing:-.035em;color:#214159}
.brand-statement h2 span{display:block}
.brand-statement p{max-width:610px;margin:33px auto 0;font-size:18px;line-height:1.8;color:#5c7486}
.brand-statement .text-link{margin-top:24px}

/* 两条业务分别拥有完整的画面与入口，不将不同来源的小抠图混成一个产品集合。 */
.business-composition{padding:20px var(--space) 115px}
.business-composition .section-heading{margin-bottom:42px}
.business-composition h2{font-size:42px;font-weight:400;letter-spacing:-.03em}
.business-picture-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px}
.business-visual{height:520px;position:relative;background:#edf3f8;overflow:hidden;border-radius:12px}
.business-visual.semi{background:#dce8f1}
.business-visual .subject-zone{position:absolute;inset:12% 11% 16%;border:1px solid #68849a55;display:flex;align-items:center;justify-content:center;text-align:center;color:#3e627d;font-size:17px;font-weight:400;border-radius:4px}
.business-visual .picture-tag{background:#ffffffdc;color:#42627a;right:16px;bottom:16px}
.business-article h3{font-size:32px;font-weight:400;margin:26px 0 12px;line-height:1.4;color:#24475f}
.business-article .english{font-size:13px;color:#637a8c;display:block;margin-bottom:17px}
.business-article p{max-width:480px;font-size:16px;line-height:1.8;color:#587183}
.business-article .text-link{margin-top:19px}

/* 工程叙事在大屏中保持一个场景并逐项切换；按钮提供滚动之外的操作方式。 */
.story-track{height:235svh;position:relative;background:#304f68}
.story-stage{position:sticky;top:88px;height:calc(100svh - 88px);min-height:670px;overflow:hidden;background:#355971;color:white}
.story-stage::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#132d44b8 0,#365a7655 55%,transparent)}
.story-copy{position:relative;z-index:2;padding:65px var(--space);width:49%;height:100%;display:flex;flex-direction:column;justify-content:center}
.story-copy .slot-label{color:#e4eef5;font-size:13px;margin-bottom:22px}
.story-copy h2{font-size:clamp(34px,4.2cqw,62px);font-weight:400;line-height:1.16;letter-spacing:-.03em;margin-bottom:29px}
.story-copy h2 span{display:block}
.story-tabs{display:grid;max-width:480px}
.story-tab{display:block;padding:18px 0;border:0;border-top:1px solid #ffffff40;text-align:left;background:none;color:white;min-height:54px}
.story-tab:last-child{border-bottom:1px solid #ffffff40}
.story-tab .tab-title{font-size:22px;font-weight:400;display:flex;align-items:center;justify-content:space-between;gap:15px}
.story-tab .tab-title::after{content:"+";font-size:18px;font-weight:300;color:#d5e5ef}
.story-tab[aria-expanded="true"] .tab-title::after{content:"−"}
.story-tab p{font-size:15px;line-height:1.8;margin-top:14px;color:#e6eff6;max-width:395px}
.story-tab[aria-expanded="false"] p{display:none}
.story-picture-zone{position:absolute;right:6%;top:17%;bottom:14%;width:44%;border:1px solid #ffffff4d;border-radius:8px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:16px;z-index:1;color:#fff}
.story-picture-zone strong{font-size:25px;font-weight:400}
.story-picture-zone p{font-size:14px;max-width:300px;color:#e7eff5;line-height:1.8}
.story-picture-zone .scene-status{position:absolute;left:20px;bottom:19px;font-size:11px;color:#d1e1ec}
.story-progress{display:flex;gap:8px;position:absolute;right:7%;bottom:7%;z-index:3}
.story-progress span{height:2px;width:35px;background:#ffffff45}
.story-progress span.active{background:white}

/* 单个重点产品使用图像面与少量说明，允许不同的对齐关系，并明确新图片仍在策划。 */
.focus-product-section{padding:115px var(--space) 100px}
.focus-product-section .section-heading h2{font-size:40px;font-weight:400}
.product-focus{display:grid;grid-template-columns:1.25fr .75fr;gap:68px;align-items:center;margin-top:45px}
.product-focus.reverse{grid-template-columns:.75fr 1.25fr;margin-top:95px}
.focus-picture{min-height:550px;background:#e8f0f7;position:relative;border-radius:10px;display:flex;align-items:center;justify-content:center;text-align:center;color:#456b88;overflow:hidden}
.focus-picture.dark{background:#405f77;color:#fff}
.focus-picture::before{content:"";position:absolute;inset:11% 15%;border:1px solid currentColor;opacity:.22}
.focus-picture strong{font-size:21px;font-weight:400;max-width:240px;line-height:1.6}
.product-focus .copy h3{font-size:clamp(28px,3.7cqw,50px);font-weight:400;line-height:1.3;letter-spacing:-.025em}
.product-focus .copy h3 span{display:block}
.product-focus .copy p{font-size:17px;color:#5a7488;line-height:1.9;margin-top:26px}
.product-focus .copy .text-link{margin-top:25px}

/* 定制与合作步骤以文字顺序组织，应用使用可选择的编辑式结构，避免反复使用同类卡片。 */
.process-composition{padding:95px var(--space);background:#f3f7fb}
.process-composition h2{font-size:45px;line-height:1.3;font-weight:400;max-width:800px}
.process-composition>p{font-size:17px;max-width:580px;margin-top:24px;line-height:1.8;color:#5e7586}
.simple-process{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;margin-top:60px}
.simple-process article{border-top:1px solid #c6d8e6;padding-top:25px}
.simple-process span{font-size:13px;color:#65829a}
.simple-process h3{font-size:22px;font-weight:400;margin:17px 0 12px}
.simple-process p{font-size:15px;color:#587385;line-height:1.8}
.application-composition{padding:105px var(--space)}
.application-composition h2{font-size:44px;font-weight:400;margin-bottom:40px}
.application-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:62px;align-items:center}
.application-links{display:grid}
.application-button{min-height:65px;padding:18px 0;background:none;border:0;border-bottom:1px solid #d7e4ee;text-align:left;font-size:19px;line-height:1.6;font-weight:400;color:#3a5c76}
.application-button[aria-pressed="true"]{color:#195bfa}
.application-picture{min-height:510px;background:#e4edf5;position:relative;border-radius:12px;padding:60px 35px;display:flex;align-items:center;justify-content:center;flex-direction:column;text-align:center;color:#426682;gap:15px}
.application-picture strong{font-size:24px;font-weight:400}
.application-picture p{max-width:360px;font-size:16px;line-height:1.8}
.partner-composition{padding:65px var(--space);background:#f4f8fc;border-top:1px solid #e1ebf3;border-bottom:1px solid #e1ebf3}
.partner-composition h2{font-size:35px;font-weight:400}
.partner-composition p{font-size:16px;line-height:1.9;color:#5c7689;margin-top:20px;max-width:620px}
.partner-composition .text-link{margin-top:20px}
.knowledge-composition{padding:100px var(--space)}
.knowledge-composition .section-heading h2{font-size:41px;font-weight:400}
.knowledge-covers{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.knowledge-cover{height:235px;background:#eaf1f8;border-radius:9px;display:flex;align-items:center;justify-content:center;color:#496b86;font-size:14px;font-weight:400}
.knowledge-item h3{font-size:23px;line-height:1.45;font-weight:400;margin-top:25px}
.knowledge-item p{font-size:15px;color:#587486;line-height:1.8;margin-top:15px}
.knowledge-item .text-link{margin-top:18px}
.closing-composition{padding:115px var(--space);text-align:center;background:#edf4fc}
.closing-composition h2{font-size:clamp(32px,4.6cqw,66px);font-weight:400;line-height:1.2}
.closing-composition p{max-width:590px;margin:27px auto 0;font-size:18px;line-height:1.8;color:#58748a}
.closing-composition .buttons{justify-content:center;margin-top:35px}

/* 产品详情改为大幅独立画面，资料表与配置仍在后半页，图片制作请求通过标识衔接。 */
.product-hero.detail-stage{min-height:730px;padding:0;position:relative;display:block;background:#e1eaf2;overflow:hidden}
.detail-image-plan{position:absolute;inset:0;background:#aec2d3}
.detail-image-plan::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#f2f6fae6 0,#f2f6fa66 55%,transparent)}
.detail-subject-zone{position:absolute;right:7%;top:13%;bottom:13%;width:44%;border:1px solid #496b8755;display:flex;align-items:center;justify-content:center;flex-direction:column;text-align:center;color:#375a76;font-size:22px;font-weight:400;padding:20px;gap:15px}
.detail-subject-zone span{font-size:13px;line-height:1.8}
.detail-stage .copy{position:relative;z-index:2;width:51%;padding:105px var(--space) 92px;min-height:730px;display:flex;flex-direction:column;align-items:start;justify-content:center}
.detail-stage h1{font-size:clamp(40px,5.556cqw,80px);font-weight:400;color:#173b57;line-height:1.12;letter-spacing:-.035em}
.detail-stage .intro{font-size:24px;font-weight:400;line-height:1.5;color:#274d69;margin-top:27px}
.detail-stage .copy>p{font-size:18px;max-width:430px;line-height:1.8;margin-top:25px}
.detail-stage .slot-label{font-size:13px;margin-bottom:20px}
.detail-stage .picture-tag{color:#345a77;background:#ffffffc7}
.section-nav{background:white;border-color:#dbe5ee;padding-top:3px;padding-bottom:3px}
.section-nav a{font-size:14px;color:#3e627c}
.wire-section{padding-top:85px;padding-bottom:85px;border-color:#e0e9f1}
.wire-section.tint{background:#f4f8fc}
.section-heading h2{font-weight:400;font-size:clamp(27px,3.3cqw,48px);line-height:1.3}
.section-heading p{font-size:16px;line-height:1.8}
.page-intro{background:#f2f7fc}
.page-intro h1{font-weight:400;font-size:clamp(32px,4.6cqw,65px);line-height:1.2}
.page-intro p{font-size:16px;line-height:1.8;max-width:680px}
.media-box{background:#e7eef5;border:0;border-radius:9px;min-height:290px;color:#456984}
.media-box::before,.media-box::after{display:none}
.media-box>*{background:none}
.media-box strong{font-size:18px;font-weight:400}
.media-box span{font-size:12px}
.media-box.tall{min-height:470px}
.category-rail button{font-size:14px;line-height:1.5;padding:13px 10px;border-color:#e0eaf2}
.category-rail button[aria-current="true"]{color:#195bfa;border-left-color:#195bfa;background:#edf4ff}
.catalogue-main h2{font-size:33px;font-weight:400}
.chip{border-radius:999px;min-height:42px;font-size:12px;padding:9px 15px;border-color:#c4d7e7}
.chip[aria-pressed="true"]{background:#195bfa;border-color:#195bfa}
.product-card h3{font-size:22px;font-weight:400}
.product-card p{font-size:14px;line-height:1.8}
.product-card .media-box{min-height:210px}
.spec-table{font-size:15px}
.spec-table th,.spec-table td{padding:21px 20px;line-height:1.9;border-color:#dbe6ef}
.spec-table th{font-weight:400;background:#edf4fb}
.config-box{border-color:#d1e0ed;border-radius:10px;padding:30px}
.config-box h3{font-size:23px;font-weight:400}
.config-box p,.faq p{font-size:16px;line-height:1.9}
.faq summary{font-size:17px;font-weight:400;line-height:1.6;padding:24px 0}
.field{font-size:15px}
.field input,.field textarea,.field select{font-size:16px;min-height:48px;border-color:#bdd0df;border-radius:6px}
.inquiry-layout p{font-size:16px;line-height:1.8}
.inquiry-layout h2{font-size:31px;font-weight:400}
.source-card{background:#edf4fb;border-color:#cadcea;border-radius:8px}
.source-card p{font-size:14px}
.outline-block{background:#f6f9fc;border:1px solid #dce7ef;border-radius:10px}
.outline-block h3{font-weight:400;font-size:23px}
.outline-block p{font-size:16px;line-height:1.9}

/* 窄屏单独安排文字、主体和场景次序，不依赖桌面固定场景完成阅读。 */
@container website (max-width:900px){
  .site-nav{gap:12px}
  .composition-hero{min-height:900px}
  .hero-copy{width:60%;padding-top:110px;padding-bottom:110px;min-height:900px}
  .hero-copy h1{font-size:clamp(42px,5.556cqw,68px)}
  .story-track{height:auto}
  .story-stage{position:relative;top:0;height:auto;min-height:720px}
  .story-copy{width:52%;padding:65px var(--space)}
  .story-picture-zone{right:5%;width:40%}
  .business-visual{height:400px}
  .product-focus,.product-focus.reverse{gap:35px}
}
@container website (max-width:700px){
  .site-header{min-height:76px;padding:15px 24px}
  .mobile-nav div{top:76px}
  .composition-hero{min-height:940px}
  .full-picture::after{background:linear-gradient(180deg,#16344dc7 0,#42658055 57%,transparent)}
  .hero-copy{width:100%;min-height:0;padding:65px 24px 30px;align-items:center;text-align:center}
  .hero-copy h1{font-size:clamp(36px,10.2cqw,42px);line-height:1.15;letter-spacing:-.035em}
  .hero-copy .slot-label{font-size:12px;margin-bottom:22px}
  .hero-copy p{font-size:16px;line-height:1.75;max-width:330px;margin-top:24px}
  .hero-copy .buttons{justify-content:center;margin-top:25px}
  .hero-photo-guide{top:48%;bottom:8%;right:10%;width:80%;border-radius:10px}
  .hero-photo-guide strong{font-size:19px}
  .hero-photo-guide span{font-size:12px}
  .scroll-cue{display:none}
  .picture-tag{right:15px;bottom:17px;font-size:10px}
  .brand-statement{padding:100px 24px 95px}
  .brand-statement h2{font-size:32px;line-height:1.4}
  .brand-statement p{font-size:16px;line-height:1.85;margin-top:28px}
  .business-composition{padding:10px 24px 75px}
  .business-composition h2{font-size:32px;line-height:1.4}
  .business-picture-grid{grid-template-columns:1fr;gap:55px}
  .business-visual{height:410px;border-radius:10px}
  .business-article h3{font-size:28px;margin-top:23px}
  .business-article .english{font-size:12px}
  .business-article p{font-size:16px}
  .story-stage{display:flex;flex-direction:column;min-height:0}
  .story-copy{width:100%;padding:55px 24px 30px}
  .story-copy h2{font-size:36px;line-height:1.3;margin-bottom:28px}
  .story-tab .tab-title{font-size:20px}
  .story-tab p{font-size:15px;line-height:1.85}
  .story-picture-zone{position:relative;right:auto;top:auto;bottom:auto;margin:12px 24px 70px;width:auto;height:410px}
  .story-picture-zone strong{font-size:22px}
  .story-picture-zone p{font-size:14px;padding:0 10px}
  .story-progress{bottom:32px;right:26px}
  .focus-product-section{padding:75px 24px}
  .focus-product-section .section-heading h2{font-size:32px}
  .product-focus,.product-focus.reverse{display:flex;flex-direction:column;align-items:stretch;gap:31px;margin-top:30px}
  .product-focus.reverse{margin-top:65px}
  .product-focus.reverse .focus-picture{order:-1}
  .focus-picture{min-height:405px}
  .product-focus .copy h3{font-size:34px;line-height:1.35}
  .product-focus .copy p{font-size:16px;line-height:1.85;margin-top:21px}
  .process-composition{padding:75px 24px}
  .process-composition h2{font-size:34px}
  .process-composition>p{font-size:16px}
  .simple-process{grid-template-columns:1fr 1fr;gap:27px 20px;margin-top:45px}
  .simple-process h3{font-size:21px}
  .simple-process p{font-size:15px}
  .application-composition{padding:75px 24px}
  .application-composition h2{font-size:33px;margin-bottom:30px}
  .application-layout{grid-template-columns:1fr;gap:33px}
  .application-button{font-size:18px;min-height:63px}
  .application-picture{min-height:420px;padding:35px 24px}
  .application-picture strong{font-size:22px}
  .partner-composition{padding:60px 24px}
  .partner-composition h2{font-size:30px}
  .partner-composition p{font-size:16px}
  .knowledge-composition{padding:75px 24px}
  .knowledge-composition .section-heading h2{font-size:32px}
  .knowledge-covers{grid-template-columns:1fr;gap:42px}
  .knowledge-cover{height:245px}
  .knowledge-item h3{font-size:24px}
  .closing-composition{padding:85px 24px}
  .closing-composition h2{font-size:37px}
  .closing-composition p{font-size:16px}
  .product-hero.detail-stage{min-height:920px;padding:0}
  .detail-stage .copy{width:100%;min-height:0;padding:65px 24px 30px;align-items:center;text-align:center}
  .detail-stage h1{font-size:47px}
  .detail-stage .intro{font-size:21px;margin-top:22px}
  .detail-stage .copy>p{font-size:16px;line-height:1.8;max-width:330px}
  .detail-stage .buttons{justify-content:center}
  .detail-subject-zone{top:47%;bottom:8%;right:9%;width:82%;font-size:22px}
  .detail-subject-zone span{font-size:13px}
  .wire-section{padding:65px 24px}
  .section-heading h2{font-size:32px}
  .section-heading p{font-size:16px}
  .page-intro{padding:38px 24px}
  .page-intro h1{font-size:37px}
  .page-intro p{font-size:16px}
  .spec-table th,.spec-table td{font-size:14px;padding:18px 12px}
  .config-box{padding:25px}
  .faq summary{font-size:16px}
  .faq p{font-size:15px}
  .inquiry-layout{padding:40px 24px 55px}
  .inquiry-layout h2{font-size:28px}
  .site-footer{padding:48px 24px 28px}
}
@media(prefers-reduced-motion:reduce){
  .story-track{height:auto}
  .story-stage{position:relative;top:0;height:auto;min-height:780px}
  *{scroll-behavior:auto!important}
}
/* 静态截图总览只展示一个工程场景，不把滚动占位距离误导为长空白内容。 */
.capture-overview .story-track{height:auto}
.capture-overview .story-stage{position:relative;top:0;height:800px}