:root{--color-primary: #000000;--color-secondary: #333333;--color-muted: #666666;--color-inverse: #ffffff;--color-surface: #ffffff;--color-surface-muted: #f2f2f2;--color-surface-subtle: #eeeeee;--color-surface-input: #f7f7f7;--color-surface-dark: #333333;--color-surface-black: #000000;--color-border: #e4e4e4;--color-border-strong: #b3b3b3;--color-border-input: #d8d8d8;--color-success: #1f6f4a;--color-error: #a32a21;--font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--text-display-xl: clamp(36px, 4.2vw, 60px);--text-display-lg: clamp(32px, 3.5vw, 50px);--text-display-md: clamp(30px, 3vw, 42px);--text-title-lg: clamp(27px, 2.4vw, 36px);--text-title-md: 24px;--text-title-sm: clamp(17px, 1.4vw, 20px);--text-body-lg: 16px;--text-body-md: 15px;--text-body-sm: 14px;--leading-tight: 1.2;--leading-heading: 1.32;--leading-body: 1.5;--space-2xs: 4px;--space-xs: 8px;--space-sm: 12px;--space-md: 16px;--space-lg: 24px;--space-xl: 32px;--space-2xl: 40px;--space-3xl: 60px;--space-4xl: 80px;--space-5xl: 100px;--gutter: 35px;--page-margin: 40px;--section-y: 100px;--container-max: 1440px;--touch: 44px;--radius-none: 0px;--radius-sm: 6px;--radius-md: 10px;--radius-full: 9999px;--shadow-card: 0 4px 10px rgba(0, 0, 0, .1);--shadow-card-hover: 0 4px 14px rgba(0, 0, 0, .14);--rule-dark: rgba(255, 255, 255, .12);--motion-fast: .16s ease-out;--motion-base: .2s ease-out;--motion-panel: .24s ease-out}@media (max-width: 1023px){:root{--gutter: 24px;--page-margin: 24px;--section-y: 72px}}@media (max-width: 639px){:root{--gutter: 20px;--page-margin: 16px;--section-y: 56px;--text-body-lg: 15px}}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--color-surface);color:var(--color-primary);font-family:var(--font-sans);font-size:var(--text-body-lg);line-height:var(--leading-body);-webkit-font-smoothing:antialiased}html[data-lang=zh] body{line-height:1.7}h1,h2,h3,h4,p,figure,ul,ol{margin:0;padding:0}ul,ol{list-style:none}img{display:block;max-width:100%}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit}:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}.on-dark :focus-visible,.cta-band :focus-visible,.site-footer :focus-visible,.strip :focus-visible{outline-color:var(--color-inverse)}html[data-lang=zh] h1,html[data-lang=zh] h2,html[data-lang=zh] h3{line-height:1.35;letter-spacing:0;text-wrap:balance}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important;transform:none!important}}.container{width:100%;max-width:var(--container-max);margin:0 auto;padding-inline:var(--page-margin)}.section{padding-block:var(--section-y)}.band--muted{background:var(--color-surface-muted)}.band--rule{border-top:1px solid var(--color-border)}.stack-sm>*+*{margin-top:var(--space-md)}.skip-link{position:absolute;left:-9999px;top:0;z-index:200;background:var(--color-primary);color:var(--color-inverse);padding:var(--space-sm) var(--space-lg);font-size:var(--text-body-sm)}.skip-link:focus{left:0}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-xs);min-height:52px;min-width:180px;padding:14px 32px;border:1px solid transparent;border-radius:var(--radius-none);font-size:var(--text-body-lg);line-height:var(--leading-body);text-align:center;cursor:pointer;transition:background-color var(--motion-fast),border-color var(--motion-fast),color var(--motion-fast)}.btn--primary{background:var(--color-primary);color:var(--color-inverse)}.btn--primary:hover{background:var(--color-secondary)}.btn--primary:active{background:var(--color-primary);box-shadow:inset 0 1px #ffffff2e}.btn--outline{background:var(--color-surface);color:var(--color-primary);border-color:var(--color-border-strong)}.btn--outline:hover{border-color:var(--color-primary);background:#fafafa}.btn--inverse{background:var(--color-inverse);color:var(--color-primary)}.btn--inverse:hover{background:var(--color-surface-subtle)}.btn--text{background:transparent;color:var(--color-primary);min-width:0;min-height:var(--touch);padding:0;border:0;text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px;font-size:var(--text-body-lg)}.btn--text:hover{text-decoration-thickness:2px}.btn--block{width:100%;min-width:0}.btn[disabled]{cursor:not-allowed;opacity:.5}.link-underline{text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px}.link-underline:hover{text-decoration-thickness:2px}.site-header{background:var(--color-surface)}.header-utility{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;min-height:96px;gap:var(--space-lg);padding-inline:var(--page-margin);max-width:var(--container-max);margin:0 auto}.utility-left,.utility-right{display:flex;align-items:center;gap:var(--space-md);min-width:0}.utility-right{justify-content:flex-end}.utility-link{font-size:var(--text-body-sm);color:var(--color-secondary);min-height:var(--touch);display:inline-flex;align-items:center;white-space:nowrap}.utility-link:hover{color:var(--color-primary);text-decoration:underline;text-underline-offset:4px}.wordmark{display:inline-flex;flex-direction:column;align-items:center;gap:2px;line-height:1}.wordmark-main{font-size:clamp(26px,2.4vw,36px);letter-spacing:.16em;font-weight:600}.wordmark-sub{font-size:10px;letter-spacing:.34em;text-transform:uppercase;color:var(--color-muted)}.lang-switch{position:relative}.lang-btn{display:inline-flex;align-items:center;gap:var(--space-xs);height:var(--touch);padding:0 12px;background:var(--color-surface-subtle);border:0;border-radius:var(--radius-full);font-size:var(--text-body-sm);color:var(--color-secondary);cursor:pointer}.lang-btn .lang-divider{width:1px;height:14px;background:var(--color-border-strong)}.lang-btn .lang-inactive{opacity:.6}.lang-menu{position:absolute;top:calc(100% + 6px);left:0;z-index:60;width:200px;padding:var(--space-2xs) 0;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:var(--shadow-card)}.lang-option{display:flex;align-items:center;gap:var(--space-sm);width:100%;min-height:var(--touch);padding:0 var(--space-md);background:transparent;border:0;font-size:var(--text-body-sm);text-align:left;cursor:pointer}.lang-option:hover{background:var(--color-surface-muted)}.lang-current-dot{width:4px;height:16px;background:var(--color-primary);display:inline-block}.lang-dot-spacer{width:4px;height:16px;display:inline-block}.header-quote{min-width:0;min-height:44px;padding:0 22px;border-radius:var(--radius-full);background:var(--color-primary);color:var(--color-inverse);display:inline-flex;align-items:center;font-size:var(--text-body-sm);white-space:nowrap;transition:background-color var(--motion-fast)}.header-quote:hover{background:var(--color-secondary)}.nav-row{border-top:1px solid var(--color-border);border-bottom:1px solid var(--color-border)}.nav-list{display:flex;align-items:center;justify-content:center;gap:var(--space-2xs);min-height:71px;max-width:var(--container-max);margin:0 auto;padding-inline:var(--page-margin)}.nav-item{position:relative}.nav-link{display:inline-flex;align-items:center;gap:6px;min-height:var(--touch);padding:0 12px;background:transparent;border:0;font-size:var(--text-body-lg);color:var(--color-secondary);cursor:pointer;transition:color var(--motion-fast)}.nav-link:hover{color:var(--color-primary);text-decoration:underline;text-underline-offset:6px;text-decoration-thickness:1px}.nav-link.is-active{color:var(--color-primary);font-weight:600}.mega-panel{position:absolute;top:calc(100% + 1px);left:50%;transform:translate(-50%);z-index:50;width:min(680px,calc(100vw - 80px));display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--space-xl);padding:var(--space-xl);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:var(--shadow-card)}.mega-title{font-size:var(--text-body-sm);font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--color-secondary);margin-bottom:var(--space-sm)}.mega-link{display:flex;align-items:center;min-height:var(--touch);font-size:var(--text-body-lg);color:var(--color-secondary)}.mega-note{font-size:var(--text-body-sm);line-height:1.5;color:var(--color-muted)}.mega-link:hover{color:var(--color-primary);text-decoration:underline;text-underline-offset:4px}.mobile-bar{display:none;align-items:center;justify-content:space-between;gap:var(--space-md);min-height:56px;padding-inline:var(--page-margin);border-bottom:1px solid var(--color-border)}.menu-btn,.drawer-close{display:inline-flex;align-items:center;justify-content:center;width:var(--touch);height:var(--touch);background:transparent;border:0;cursor:pointer}.mobile-wordmark .wordmark-main{font-size:22px;letter-spacing:.14em}.mobile-wordmark .wordmark-sub{display:none}.drawer{position:fixed;top:0;right:0;bottom:0;left:0;z-index:120;background:var(--color-surface);overflow-y:auto;display:flex;flex-direction:column}.drawer-head{display:flex;align-items:center;justify-content:space-between;min-height:56px;padding-inline:var(--page-margin);border-bottom:1px solid var(--color-border)}.drawer-title{font-size:var(--text-body-sm);font-weight:600;letter-spacing:.04em;text-transform:uppercase}.drawer-nav{padding-inline:var(--page-margin)}.drawer-row{display:flex;align-items:center;justify-content:space-between;width:100%;min-height:56px;padding:0;background:transparent;border:0;border-bottom:1px solid var(--color-surface-subtle);font-size:var(--text-body-lg);font-weight:600;text-align:left;cursor:pointer}.drawer-sub{display:flex;align-items:center;min-height:48px;padding-left:var(--space-md);font-size:var(--text-body-md);font-weight:500;color:var(--color-secondary);border-bottom:1px solid var(--color-surface-subtle)}.drawer-utility{margin-top:var(--space-lg);display:grid;gap:var(--space-sm);padding:var(--space-lg) var(--page-margin) var(--space-2xl)}.drawer-lang{display:flex;align-items:center;gap:var(--space-sm);padding-top:var(--space-md);border-top:1px solid var(--color-border)}.hero{position:relative;display:flex;align-items:center;min-height:600px;background:var(--color-surface-muted);overflow:hidden}.hero-media,.hero-img{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%}.hero-img{object-fit:cover;object-position:center}.hero-panel{position:relative;z-index:2;width:min(800px,100%);margin-inline:var(--page-margin);padding:40px;background:#fffffff0;border-radius:var(--radius-md)}@supports (backdrop-filter: blur(12px)) or (-webkit-backdrop-filter: blur(12px)){.hero-panel{background:#fff9;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}}.hero-eyebrow{font-size:var(--text-body-sm);color:var(--color-secondary);margin-bottom:var(--space-md)}.hero-title{font-size:var(--text-display-md);line-height:var(--leading-heading);font-weight:400;letter-spacing:-.005em;max-width:18ch}html[data-lang=zh] .hero-title{max-width:22ch}.hero-body{margin-top:var(--space-md);max-width:62ch;color:var(--color-secondary);font-size:var(--text-body-lg)}.hero-actions{display:flex;flex-wrap:wrap;gap:var(--space-sm);margin-top:var(--space-xl)}.strip{background:var(--color-surface-dark);color:var(--color-inverse)}.strip-track{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:var(--space-lg);padding:20px var(--page-margin);max-width:var(--container-max);margin:0 auto;min-height:112px;align-items:center}.strip-item{display:flex;flex-direction:column;align-items:center;gap:var(--space-xs);text-align:center;max-width:190px;margin-inline:auto}.strip-title{font-size:var(--text-body-sm);font-weight:700;line-height:1.4}.strip-note{font-size:var(--text-body-sm);font-weight:400;line-height:1.4;color:#ffffffc7}.strip-controls{display:none}.section-head{max-width:900px}.section-head--center{margin-inline:auto;text-align:center}.eyebrow{font-size:var(--text-body-sm);color:var(--color-muted);letter-spacing:.02em}.section-title{margin-top:var(--space-xs);font-size:var(--text-title-lg);font-weight:400;line-height:var(--leading-heading);letter-spacing:-.005em;max-width:24ch}.section-intro{margin-top:var(--space-md);max-width:68ch;color:var(--color-secondary)}.section-head--center .section-intro{margin-inline:auto}.category-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--gutter);margin-top:var(--space-2xl)}.category-card{display:flex;flex-direction:column;background:var(--color-surface-muted);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-card);transition:box-shadow var(--motion-base)}.category-card:hover{box-shadow:var(--shadow-card-hover)}.category-media{aspect-ratio:4 / 3;overflow:hidden}.category-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--motion-base)}.category-card:hover .category-media img{transform:scale(1.02)}.category-body{display:flex;flex-direction:column;gap:var(--space-md);flex:1;padding:30px}.category-title{font-size:var(--text-title-md);font-weight:400;line-height:var(--leading-tight)}.category-title a:hover{text-decoration:underline;text-underline-offset:4px}.category-desc{color:var(--color-secondary);font-size:var(--text-body-lg);flex:1}.category-actions{margin-top:var(--space-xs)}.category-wide{grid-column:1 / -1;display:flex;flex-direction:column;gap:var(--space-md);padding:40px;background:var(--color-surface-dark);color:var(--color-inverse);border-radius:var(--radius-md);box-shadow:var(--shadow-card)}.category-wide .category-desc{color:#ffffffd1;max-width:64ch}.category-wide .category-actions{margin-top:0}.category-wide-inner{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:var(--space-lg)}.product-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--gutter);row-gap:40px;margin-top:var(--space-2xl)}.product-card{display:flex;flex-direction:column;gap:var(--space-sm);background:var(--color-surface)}.product-plate{aspect-ratio:1 / 1;background:var(--color-surface-input);border-radius:var(--radius-md);overflow:hidden;transition:background-color var(--motion-fast)}.product-card:hover .product-plate{background:var(--color-surface-muted)}.product-plate img{width:100%;height:100%;object-fit:cover}.product-name{font-size:var(--text-body-lg);font-weight:400}.product-card:hover .product-name{text-decoration:underline;text-underline-offset:4px}.product-spec{font-size:var(--text-body-sm);color:var(--color-muted)}.product-actions{margin-top:var(--space-2xs)}.spec-card{display:flex;flex-direction:column;justify-content:space-between;gap:var(--space-lg);min-height:100%;padding:30px;background:var(--color-surface-muted);border-radius:var(--radius-md)}.spec-card-title{font-size:var(--text-title-md);font-weight:400;line-height:var(--leading-tight)}.spec-card-body{margin-top:var(--space-sm);color:var(--color-secondary);font-size:var(--text-body-md)}.split{display:grid;grid-template-columns:7fr 5fr;gap:var(--space-3xl);align-items:center}.split--reverse{grid-template-columns:5fr 7fr}.split-media{border-radius:var(--radius-md);overflow:hidden;aspect-ratio:4 / 3}.split-media img{width:100%;height:100%;object-fit:cover}.split-list{display:grid;gap:var(--space-sm);margin-top:var(--space-lg)}.split-list li{display:flex;gap:var(--space-sm);align-items:flex-start;font-size:var(--text-body-lg);color:var(--color-secondary)}.split-actions{margin-top:var(--space-xl)}.why-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:var(--space-lg);margin-top:var(--space-2xl)}.why-item{padding:0 var(--space-lg);border-left:1px solid var(--color-border)}.why-item:first-child{border-left:0;padding-left:0}.why-item:last-child{padding-right:0}.why-title{margin-top:var(--space-md);font-size:var(--text-title-sm);font-weight:400;line-height:var(--leading-tight)}.why-body{margin-top:var(--space-xs);font-size:var(--text-body-md);color:var(--color-muted)}.partner-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:var(--space-2xl);margin-top:var(--space-xl);align-items:center}.partner-placeholder{display:flex;align-items:center;justify-content:center;min-height:64px;padding:var(--space-sm);border:1px dashed var(--color-border-strong);border-radius:var(--radius-sm);font-size:var(--text-body-sm);font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--color-muted);text-align:center}.partner-note{margin-top:var(--space-md);font-size:var(--text-body-sm);color:var(--color-muted)}.cta-band{background:var(--color-surface-black);color:var(--color-inverse);padding-block:80px}.cta-inner{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:var(--space-xl)}.cta-title{font-size:var(--text-display-xl);font-weight:400;line-height:var(--leading-tight);max-width:18ch}.cta-body{margin-top:var(--space-md);max-width:56ch;color:#ffffffd1;font-size:var(--text-body-lg)}.cta-actions{display:flex;flex-wrap:wrap;align-items:center;gap:var(--space-lg)}.cta-band .btn--text{color:var(--color-inverse)}.page-hero{padding-top:48px;padding-bottom:var(--space-xl)}.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:var(--space-xs);min-height:var(--touch);font-size:var(--text-body-sm);color:var(--color-muted)}.breadcrumb a:hover{color:var(--color-primary);text-decoration:underline;text-underline-offset:4px}.breadcrumb-current{color:var(--color-primary)}.page-title{margin-top:var(--space-sm);font-size:var(--text-display-lg);font-weight:400;line-height:var(--leading-heading);letter-spacing:-.01em;max-width:22ch}.page-intro{margin-top:var(--space-md);max-width:900px;color:var(--color-secondary)}.filter-bar{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:var(--space-md);margin-top:var(--space-2xl);padding-bottom:var(--space-md);border-bottom:1px solid var(--color-border)}.filter-group{display:flex;flex-wrap:wrap;gap:var(--space-md);align-items:flex-end}.filter-label{font-size:var(--text-body-md);color:var(--color-secondary);display:block;margin-bottom:var(--space-2xs)}.select{height:50px;min-width:200px;padding:0 40px 0 16px;background:var(--color-surface) url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23333333' stroke-width='1.5'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") no-repeat right 16px center;border:1px solid var(--color-border-strong);border-radius:var(--radius-none);font-size:var(--text-body-lg);color:var(--color-primary);-webkit-appearance:none;-moz-appearance:none;appearance:none;cursor:pointer}.select:focus-visible{border-color:var(--color-primary)}.result-count{font-size:var(--text-body-sm);color:var(--color-muted)}.empty-state{padding-block:var(--space-3xl);color:var(--color-secondary)}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:var(--space-lg);row-gap:var(--space-lg)}.field--full{grid-column:1 / -1}.field-label{display:block;font-size:var(--text-body-md);color:var(--color-secondary);margin-bottom:var(--space-2xs)}.req{color:var(--color-error);font-size:11px;vertical-align:super;margin-left:2px}.input,.textarea{width:100%;height:50px;padding:14px;background:var(--color-surface-input);border:1px solid var(--color-border-input);border-radius:var(--radius-none);font-family:inherit;font-size:var(--text-body-lg);color:var(--color-primary)}.textarea{height:auto;min-height:132px;resize:vertical}.input::placeholder,.textarea::placeholder{color:var(--color-muted)}.input:focus,.textarea:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 2px var(--color-primary)}.field.has-error .input,.field.has-error .textarea,.field.has-error .select{border-color:var(--color-error);box-shadow:0 0 0 1px var(--color-error)}.field-error{display:flex;align-items:center;gap:6px;margin-top:var(--space-2xs);font-size:var(--text-body-sm);color:var(--color-error)}.form-note{font-size:var(--text-body-sm);color:var(--color-muted)}.form-foot{display:flex;flex-wrap:wrap;align-items:center;gap:var(--space-lg);margin-top:var(--space-xl)}.success-panel{padding:var(--space-lg);background:var(--color-surface);border:1px solid var(--color-success);border-radius:var(--radius-sm)}.success-icon{color:var(--color-success)}.success-title{margin-top:var(--space-sm);font-size:var(--text-title-md);font-weight:400;color:var(--color-success);line-height:var(--leading-tight)}.success-body{margin-top:var(--space-sm);color:var(--color-secondary);font-size:var(--text-body-lg)}.success-actions{margin-top:var(--space-lg)}.contact-methods{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:var(--space-lg);margin-top:var(--space-2xl)}.method-card{display:flex;flex-direction:column;gap:var(--space-xs);padding:var(--space-lg);border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface);text-align:center;align-items:center}.method-icon{color:var(--color-primary)}.method-title{font-size:var(--text-title-sm);font-weight:400;line-height:var(--leading-tight)}.method-body{font-size:var(--text-body-sm);color:var(--color-muted)}.contact-layout{display:grid;grid-template-columns:8fr 4fr;gap:var(--space-3xl);align-items:start;margin-top:var(--space-2xl)}.contact-aside{padding:var(--space-lg);background:var(--color-surface-muted);border-radius:var(--radius-md)}.contact-aside-title{font-size:var(--text-title-sm);font-weight:400}.contact-aside-list{display:grid;gap:var(--space-sm);margin-top:var(--space-md);font-size:var(--text-body-md);color:var(--color-secondary)}.contact-aside-list li{padding-bottom:var(--space-sm);border-bottom:1px solid var(--color-border)}.contact-aside-list li:last-child{border-bottom:0;padding-bottom:0}.site-footer{background:var(--color-surface-black);color:#f1eeec;padding-top:72px;padding-bottom:40px}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:var(--space-2xl)}.footer-brand .wordmark{align-items:flex-start}.footer-brand .wordmark-sub{color:#f1eeec99}.footer-desc{margin-top:var(--space-md);max-width:34ch;font-size:var(--text-body-md);color:#f1eeecc7}.footer-heading{font-size:var(--text-body-lg);font-weight:700;margin-bottom:var(--space-md)}.footer-col ul{display:grid;gap:2px}.footer-link{display:inline-flex;align-items:center;min-height:var(--touch);padding-block:6px;font-size:var(--text-body-md);color:#f1eeecdb}.footer-link:hover{text-decoration:underline;text-underline-offset:4px;color:var(--color-inverse)}.footer-legal{margin-top:var(--space-2xl);padding-top:var(--space-md);border-top:1px solid var(--rule-dark);display:flex;flex-wrap:wrap;gap:var(--space-md);justify-content:space-between;align-items:center;font-size:var(--text-body-sm);color:#f1eeeca8}.footer-legal p{max-width:70ch}.notfound{padding-block:var(--space-5xl);text-align:center}.notfound-actions{display:flex;flex-wrap:wrap;gap:var(--space-sm);justify-content:center;margin-top:var(--space-xl)}@media (max-width: 1023px){.header-utility,.nav-row{display:none}.mobile-bar{display:flex}.hero{display:block;min-height:0;background:var(--color-surface)}.hero-media{position:relative;inset:auto;aspect-ratio:4 / 3}.hero-img{position:static}.hero-panel{width:auto;margin:0;padding:var(--space-lg) var(--page-margin) 0;background:var(--color-surface);border-radius:0;-webkit-backdrop-filter:none;backdrop-filter:none}.hero-actions{margin-top:var(--space-lg)}.strip-track{gap:var(--space-md);padding-block:var(--space-md);min-height:96px}.category-grid,.product-grid,.why-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.why-item{padding:0 var(--space-md)}.why-item:nth-child(odd){border-left:0;padding-left:0}.split,.split--reverse{grid-template-columns:1fr;gap:var(--space-xl)}.split--reverse .split-media{order:-1}.contact-methods{grid-template-columns:repeat(2,minmax(0,1fr))}.contact-layout{grid-template-columns:1fr;gap:var(--space-xl)}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--space-xl)}.partner-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--space-lg)}.cta-band{padding-block:64px}}@media (max-width: 639px){.hero-media{aspect-ratio:3 / 2}.hero-title{max-width:none}.hero-actions .btn{width:100%}.strip-track{grid-template-columns:1fr;padding-block:var(--space-lg);text-align:center}.strip-item:not(.is-active){display:none}.strip-controls{display:flex;align-items:center;justify-content:center;gap:var(--space-md);padding-bottom:var(--space-md)}.strip-control{display:inline-flex;align-items:center;justify-content:center;width:var(--touch);height:var(--touch);background:transparent;border:1px solid var(--rule-dark);border-radius:var(--radius-full);color:var(--color-inverse);cursor:pointer}.strip-dots{display:flex;gap:6px}.strip-dot{width:6px;height:6px;border-radius:var(--radius-full);background:#ffffff4d}.strip-dot.is-active{background:var(--color-inverse)}.category-grid,.product-grid,.why-grid,.contact-methods,.partner-grid,.footer-grid{grid-template-columns:1fr}.category-body{padding:var(--space-lg);gap:var(--space-sm);text-align:center;align-items:center}.category-media{aspect-ratio:1 / 1}.category-body .btn{width:auto}.category-wide{padding:var(--space-lg)}.category-wide-inner{flex-direction:column;align-items:flex-start}.category-wide .btn{width:100%}.why-item{border-left:0;padding:0;padding-bottom:var(--space-md);border-bottom:1px solid var(--color-border)}.why-item:last-child{border-bottom:0;padding-bottom:0}.spec-card{padding:var(--space-lg)}.cta-inner{align-items:flex-start}.cta-actions{width:100%;flex-direction:column;align-items:stretch;gap:var(--space-sm)}.cta-actions .btn{width:100%}.form-grid{grid-template-columns:1fr}.form-foot{flex-direction:column;align-items:stretch}.form-foot .btn{width:100%}.filter-bar{flex-direction:column;align-items:stretch}.select{width:100%;min-width:0}.footer-grid{gap:var(--space-lg)}.footer-legal{flex-direction:column;align-items:flex-start}.page-hero{padding-top:var(--space-lg)}}.editorial-lede{max-width:68ch;font-size:var(--text-display-sm, 30px);font-size:clamp(22px,2.2vw,30px);line-height:1.45;color:var(--color-primary)}html[data-lang=zh] .editorial-lede{line-height:1.6;max-width:34em}.tri-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--space-2xl)}.capability-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--space-md) var(--space-2xl);margin-top:var(--space-xl);max-width:1000px}.capability-list li{display:flex;gap:var(--space-sm);align-items:flex-start;font-size:var(--text-body-lg);color:var(--color-secondary);padding-bottom:var(--space-sm);border-bottom:1px solid var(--color-border)}@media (max-width: 1023px){.tri-grid{grid-template-columns:1fr;gap:var(--space-lg)}.capability-list{grid-template-columns:1fr}}