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h2{font-size:15px}.results-meta>span{font-size:8px}.catalog-content .product-card-photo{height:180px;padding:20px}.product-breadcrumb{font-size:8px;padding-block:21px}.product-detail{display:block;padding-top:0;padding-bottom:50px}.detail-main-image{height:340px;padding:32px}.gallery-thumbnails{gap:10px;margin-top:12px}.gallery-thumbnails button{width:70px;height:58px;padding:9px}.gallery-hint{font-size:8px;margin-top:12px}.detail-copy{padding-top:32px}.detail-copy h1{font-size:35px}.detail-copy .eyebrow{margin-bottom:13px}.detail-name{font-size:12px;margin-top:11px}.detail-rule{margin-block:21px}.detail-description{font-size:12px;margin-bottom:25px;line-height:1.85}.spec-title{font-size:12px;margin-bottom:13px}.spec-list>div{font-size:10px;padding-block:12px}.spec-note{font-size:9px}.detail-copy .button-row{gap:23px;margin-top:25px}.detail-copy .button-row .btn{font-size:11px;min-height:48px;padding-inline:20px}.detail-copy .button-row .text-link{font-size:10px}.related-section .section-heading h2{font-size:24px}.structure-grid{display:flex;flex-direction:column;gap:32px;align-items:stretch}.structure-viewer{padding:22px 18px 18px}.sequence-stage{height:340px}.viewer-label{top:16px;left:18px;font-size:7px}.sequence-controls{padding-top:15px;margin-top:13px;gap:14px}.sequence-controls .btn{font-size:8px;padding:9px 12px;min-height:35px}.sequence-controls>span{font-size:7px}.structure-copy h2{font-size:30px;margin-bottom:19px}.structure-copy>p:not(.eyebrow){font-size:12px;line-height:1.85}.illustration-note{margin:18px 0;padding:15px 0}.illustration-note p{font-size:9px}.structure-copy .text-link{font-size:10px;gap:18px}.guide-grid{grid-template-columns:1fr 1fr;gap:28px 25px}.guide-number{font-size:9px;margin-bottom:20px}.guide-grid article{padding-top:17px}.guide-grid h3{font-size:18px;margin-bottom:12px}.guide-grid p{font-size:11px;line-height:1.8}.about-grid{display:block}.about-visual{min-height:350px;margin-bottom:34px}.about-visual>span{font-size:80px;left:20px}.about-visual>img{height:265px;max-width:360px}.about-visual-caption{font-size:6px;left:20px;right:20px;bottom:18px}.about-copy h2{font-size:32px;margin-bottom:22px}.about-copy>p:not(.eyebrow){font-size:12px;line-height:1.85}.about-copy>.text-link{font-size:11px;margin-top:6px}.guide-grid.three{grid-template-columns:1fr;gap:26px}.guide-grid.three .guide-number{margin-bottom:13px}.guide-grid.three h3{font-size:20px}.guide-grid.three p{max-width:440px}.about-values{padding-top:0}.contact-grid{display:flex;flex-direction:column;gap:35px}.contact-aside h2{font-size:23px;max-width:none}.contact-location{font-size:11px}.contact-phone{margin:23px 0 20px}.contact-phone>a{font-size:21px}.contact-aside .btn{min-height:46px;font-size:11px;padding:12px 20px;gap:25px}.contact-shortlist{margin-top:32px;padding-top:24px}.contact-shortlist h3{font-size:15px}.empty-shortlist{font-size:11px;margin:17px 0 10px;max-width:400px}.shortlist-item{padding-block:14px}.shortlist-item>img{width:70px;height:60px}.shortlist-item>div>a{font-size:13px}.shortlist-item>div>span{font-size:9px}.contact-form-wrap{padding:24px 20px}.contact-form-wrap>h2{font-size:21px;margin-bottom:24px}.form-grid{gap:18px 14px}.form-field>span{font-size:9px}.form-field input,.form-field textarea{font-size:12px;min-height:44px}.form-field small{font-size:7px}.form-field textarea{min-height:130px}.local-note{font-size:9px;margin-bottom:20px}.contact-form-wrap .btn{font-size:10px;min-height:47px;padding:12px 18px}.enquiry-ready .button-row{gap:12px}.enquiry-ready .btn{font-size:9px;min-height:43px}.prose{font-size:13px;line-height:1.9}.prose .btn{font-size:10px}.missing{padding-block:90px;min-height:55vh}.missing h1{font-size:32px}.missing p:not(.eyebrow){font-size:12px}.toast{bottom:20px;font-size:11px;padding:12px 20px}dialog{padding:20px;max-width:94vw}dialog img{width:82vw;max-height:68vh;height:68vh}html[lang="zh-CN"] .hero h1{font-size:49px;line-height:1.23}html[lang="zh-CN"] .page-head h1{font-size:37px;line-height:1.23}}
@media(max-width:380px){.wrap{width:calc(100% - 32px)}.hero h1{font-size:48px}.hero .button-row{gap:15px}.hero .btn{font-size:9px;padding-inline:13px;gap:14px}.hero .text-link{font-size:8px}.hero-visual{height:350px}.hero-image{height:270px;top:5px}.hero-orbit{width:370px;height:370px}.hero-element{font-size:160px;right:13%}.hero-product-label strong{font-size:14px}.category-image{height:120px;padding-inline:15px}.category-tile h3{font-size:12px}.category-tile-bottom{padding:13px 11px;min-height:77px}.category-tile-heading{padding:12px 11px 0}.category-grid{gap:11px}.product-card-photo,.catalog-content .product-card-photo{height:155px;padding:17px}.product-card h3{font-size:13px}.product-subtitle{font-size:8px}.product-grid{gap:20px 12px}.detail-main-image{height:300px;padding:25px}.structure-viewer{padding-inline:14px}.sequence-stage{height:280px}.sequence-controls{gap:10px}.sequence-controls .btn{font-size:7px;padding-inline:9px}.contact-form-wrap{padding:22px 16px}.contact-form-wrap>h2{font-size:19px}.form-grid{gap:16px 11px}.form-field>span{font-size:8px}.form-field small{font-size:6px}.page-head h1{font-size:36px}html[lang="zh-CN"] .hero h1{font-size:43px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}.hero-image img{transform:none!important}}

/* The structure story is an independent illustration, separated from the real product hero. */
.battery-story{padding:65px 0 27px;background:#faf9f7;border-bottom:1px solid #e9e6e1;isolation:isolate}
.story-intro{display:flex;align-items:flex-end;justify-content:space-between;gap:80px;padding-bottom:35px}
.story-intro h2{font-size:39px;line-height:1.12}.story-intro .eyebrow{margin-bottom:18px}
.story-intro-right{max-width:330px}.story-intro-right>p{font-size:12px;line-height:1.85}
.story-skip{display:inline-flex;align-items:center;gap:14px;margin-top:12px;font-size:9px}
.story-navigation{display:flex;align-items:center;justify-content:space-between;gap:30px;border-block:1px solid #dfdcd7;position:relative;z-index:6;background:#faf9f7}
.story-navigation nav{display:flex;align-items:center;gap:28px;min-height:64px}
.story-navigation nav button{display:flex;align-items:center;gap:9px;font-size:10px;color:#96918b;background:transparent;border:0;border-bottom:2px solid transparent;min-height:64px;padding:0}
.story-navigation nav button>span{font-size:8px;color:#aba6a0}.story-navigation nav button:hover{color:var(--ink)}
.story-navigation nav button[aria-current]{color:var(--red);border-bottom-color:var(--red)}
.story-navigation nav button[aria-current]>span{color:var(--red)}
.story-motion-toggle{display:inline-flex;align-items:center;justify-content:center;gap:7px;white-space:nowrap;min-height:30px;padding:6px 9px;background:#fff8;border:1px solid #ddd7d0;color:#8c847b;border-radius:2px;font-size:8px;line-height:1.4}
.story-motion-toggle:hover{border-color:#c78985;color:var(--red)}.story-motion-toggle:disabled{cursor:default;opacity:.6}
.motion-indicator{width:6px;height:6px;background:var(--red);display:block;border-radius:50%}
.story-motion-toggle[aria-pressed="true"] .motion-indicator{background:#a19a90;border-radius:0}
.hero-motion{position:absolute;top:20px;right:0;z-index:5;background:#ffffffb0}
.story-layout{position:relative}.story-visual{display:none}
.story-chapter{display:grid;grid-template-columns:1fr 1.12fr;gap:65px;align-items:center;min-height:560px;padding-block:60px;border-bottom:1px solid #e7e3dc}
.story-chapter:last-child{border-bottom:0}.story-chapter-copy{max-width:400px}.story-chapter-copy h3{font-size:40px;line-height:1.13}
.story-chapter-copy>p:not(.eyebrow){font-size:12px;line-height:1.95;max-width:350px;margin-top:25px}
.story-chapter-copy .eyebrow{margin-bottom:20px}.story-chapter-copy .eyebrow>span{color:#a79d92;margin-right:8px;font-size:8px}
.story-chapter-copy>.text-link{font-size:10px;margin-top:26px}
.story-static-figure{margin:0}.story-static-figure img{width:100%;max-height:440px;object-fit:contain;mix-blend-mode:multiply}
.story-static-figure figcaption{font-size:7px;letter-spacing:.1em;color:#a1998f;text-align:center;margin-top:10px}
.story-note{display:flex;align-items:flex-start;gap:12px;padding-top:22px;border-top:1px solid #e3dfd8}
.story-note>span{font-size:8px;width:15px;height:15px;line-height:14px;text-align:center;border:1px solid #c9c1b7;color:#9d9184;border-radius:50%;flex-shrink:0;margin-top:1px}
.story-note>p{font-size:8px;line-height:1.9;color:#9d9489;max-width:730px}.story-note>button{font-size:8px;white-space:nowrap;flex-shrink:0;margin-left:auto;padding-top:0;line-height:1.8}
.motion-enabled .hero-image img{animation:sainar-product-float 7s ease-in-out infinite}
.motion-enabled .hero-orbit:after{animation:sainar-ring-breathe 7s ease-in-out infinite}
.motion-paused .hero-image img,.motion-paused .hero-orbit:after{animation:none!important;transform:none!important}
.reveal-item{opacity:1;transform:none}
.motion-enabled .reveal-item:not(.is-revealed){opacity:0;transform:translateY(22px)}
.motion-enabled .reveal-item{transition:opacity .65s var(--ease) var(--reveal-delay,0ms),transform .65s var(--ease) var(--reveal-delay,0ms),border-color .2s,box-shadow .2s}
.motion-paused .reveal-item{opacity:1;transform:none;transition:none}
@keyframes sainar-product-float{0%,100%{transform:translateY(0) rotate(-2deg)}50%{transform:translateY(-6px) rotate(-1deg)}}
@keyframes sainar-ring-breathe{0%,100%{opacity:.45;transform:scale(.985)}50%{opacity:.95;transform:scale(1.015)}}
@media(min-width:900px){
  .story-enhanced .story-navigation{position:sticky;top:88px}
  .story-enhanced .story-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:60px;align-items:start}
  .story-enhanced .story-visual{display:block;grid-column:2;grid-row:1;position:sticky;top:153px;height:calc(100svh - 153px);min-height:430px;max-height:850px;padding-bottom:10px}
  .story-visual-inner{position:relative;height:100%;overflow:hidden;isolation:isolate}
  .story-visual-inner:before{content:"";position:absolute;inset:22% 2% 22%;z-index:-1;background:radial-gradient(ellipse,#e9e4dc88,transparent 68%)}
  .story-visual-kicker{position:absolute;top:24px;left:0;z-index:2;font-size:7px;letter-spacing:.13em;color:#a59a8c}
  .story-object{position:absolute;inset:25px -20px 68px;display:flex;align-items:center;justify-content:center}
  .story-object img{width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply}
  .story-crosshair{position:absolute;width:12px;height:12px;z-index:1;opacity:.45;pointer-events:none}
  .story-crosshair:before,.story-crosshair:after{content:"";position:absolute;background:#b6a99a;left:50%;top:50%}.story-crosshair:before{height:1px;width:12px;transform:translateX(-50%)}.story-crosshair:after{height:12px;width:1px;transform:translateY(-50%)}
  .crosshair-one{top:25%;left:4%}.crosshair-two{bottom:24%;right:4%}
  .story-callout{position:absolute;left:4%;top:27%;display:flex;align-items:center;gap:8px;color:#a78e76;font-size:8px;opacity:.85}
  .callout-line{display:block;width:21px;height:1px;background:#c6b09d}
  .story-scene-caption{position:absolute;bottom:26px;left:0;right:0;display:flex;align-items:center;gap:12px;padding-top:18px;border-top:1px solid #dfd9d1}
  .story-scene-caption>span:first-child{font-size:8px;letter-spacing:.08em;color:var(--red);white-space:nowrap}
  .story-scene-caption strong{font-size:11px;font-weight:600;color:#6e665d;letter-spacing:-.01em}
  .story-scroll-cue{font-size:6px;letter-spacing:.1em;color:#a39a90;white-space:nowrap;margin-left:auto}
  .story-progress{height:2px;position:absolute;bottom:0;left:0;right:0;background:#e3ded6}
  .story-progress>span{height:100%;background:var(--red);width:0;display:block}
  .story-enhanced .story-chapters{grid-column:1;grid-row:1}
  .story-enhanced .story-chapter{display:flex;min-height:calc(83svh - 90px);height:660px;max-height:800px;padding-block:85px;border:0}
  .story-enhanced .story-chapter:first-child{min-height:calc(85svh - 90px)}
  .story-enhanced .story-static-figure{display:none}
  .story-enhanced .story-chapter-copy{padding-right:20px}
}
@media(min-width:1500px){.story-enhanced .story-chapter{height:740px}.story-chapter-copy h3{font-size:45px}}
@media(min-width:900px) and (max-width:1180px){.story-enhanced .story-layout{gap:35px}.story-chapter-copy h3{font-size:35px}.story-chapter-copy>p:not(.eyebrow){font-size:11px}.story-navigation nav{gap:22px}.story-navigation nav button{font-size:9px}.story-enhanced .story-navigation{top:88px}}
@media(min-width:900px) and (max-width:960px){.story-enhanced .story-navigation{top:78px}.story-enhanced .story-visual{top:143px;height:calc(100svh - 143px)}}
/* Keep the caption and progress inside a short desktop viewport. */
@media(min-width:900px) and (max-height:620px){
  .story-enhanced .story-visual{min-height:0}
  .story-object{inset:15px -20px 56px}
  .story-visual-kicker{top:12px}
  .story-scene-caption{bottom:18px;padding-top:11px}
  .story-callout{top:25%}
}
@media(max-width:899px){
  .battery-story{padding-top:45px}.story-intro{gap:40px;padding-bottom:27px}.story-intro h2{font-size:31px}.story-intro-right{max-width:280px}.story-intro-right>p{font-size:11px}.story-intro .eyebrow{font-size:8px;margin-bottom:14px}
  .story-navigation{gap:20px}.story-navigation nav{gap:20px;min-height:58px}.story-navigation nav button{font-size:9px;min-height:58px;gap:6px}.story-motion-toggle{font-size:7px;padding-inline:7px}
  .story-chapter{gap:35px;min-height:440px;padding-block:45px}.story-chapter-copy h3{font-size:31px}.story-chapter-copy>p:not(.eyebrow){font-size:11px;line-height:1.9;margin-top:20px}.story-chapter-copy .eyebrow{font-size:8px;margin-bottom:17px}.story-static-figure img{max-height:350px}.story-note>p{font-size:8px;max-width:520px}.story-note>button{display:none}
  .hero-motion{top:18px;font-size:7px}
}
@media(max-width:740px){
  .battery-story{padding-top:38px;padding-bottom:23px}.story-intro{display:block;padding-bottom:24px}.story-intro h2{font-size:30px;line-height:1.15}.story-intro-right{max-width:none;margin-top:18px}.story-intro-right>p{font-size:11px;line-height:1.8;max-width:370px}.story-skip{font-size:8px;margin-top:9px}.story-intro .eyebrow{font-size:7px;margin-bottom:14px}
  .story-navigation{flex-wrap:wrap;gap:0;padding-bottom:12px}.story-navigation nav{width:100%;gap:0;justify-content:space-between;min-height:57px}.story-navigation nav button{min-height:57px;font-size:8px;gap:5px;line-height:1.4;align-items:center;max-width:24%;text-align:left}.story-navigation nav button>span{font-size:6px}.story-motion-toggle{font-size:7px;min-height:27px;padding:6px 8px}.motion-indicator{width:5px;height:5px}
  .story-chapter{display:flex;flex-direction:column;gap:15px;align-items:stretch;padding:35px 0 26px;min-height:0}.story-chapter-copy{max-width:none}.story-chapter-copy .eyebrow{font-size:7px;margin-bottom:14px}.story-chapter-copy h3{font-size:29px;line-height:1.15}.story-chapter-copy h3 br{display:none}.story-chapter-copy>p:not(.eyebrow){font-size:11px;line-height:1.85;max-width:450px;margin-top:15px}.story-chapter-copy>.text-link{font-size:9px;margin-top:17px}.story-static-figure img{height:300px;max-height:300px;width:100%;object-fit:contain;max-width:360px;margin-inline:auto}.story-static-figure figcaption{font-size:6px;letter-spacing:.06em;margin-top:0}.story-note{gap:9px;padding-top:18px}.story-note>p{font-size:7px;line-height:1.9}.story-note>span{width:13px;height:13px;font-size:7px;line-height:12px}
  .hero-motion{top:8px;right:0;font-size:6px;background:#ffffffa8;min-height:25px;padding:5px 7px}
  .motion-enabled .hero-image img{animation-duration:8s}.motion-enabled .reveal-item:not(.is-revealed){transform:translateY(14px)}
}
@media(max-width:380px){.story-navigation nav button{font-size:7px;gap:4px}.story-static-figure img{height:265px}.story-chapter-copy h3{font-size:26px}.story-intro h2{font-size:28px}}
@media(prefers-reduced-motion:reduce){.reveal-item{opacity:1!important;transform:none!important}.story-visual{display:none!important}.story-chapter{height:auto!important;max-height:none!important}.hero-motion{opacity:.7}}