.surface-faq{--green:#136654;--deep:#143c34;--text:#152c30;--muted:#4a5c56;--pale:#eaf0e9;--line:#dce3de;--bg:#fafbf9}
.surface-faq *{box-sizing:border-box}
.surface-faq{scroll-behavior:smooth;scroll-padding-top:24px}
.surface-faq{margin:0;color:var(--text);background:var(--bg);font:16px/1.8 system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif}
.surface-faq button,.surface-faq input{font:inherit}
.surface-faq button,.surface-faq a,.surface-faq summary,.surface-faq input{touch-action:manipulation}
.surface-faq a{color:var(--green);text-underline-offset:4px}
.surface-faq button{cursor:pointer}
.surface-faq a:focus-visible,.surface-faq button:focus-visible,.surface-faq summary:focus-visible,.surface-faq input:focus-visible,.surface-faq [tabindex="0"]:focus-visible{outline:3px solid #538c76;outline-offset:4px}
.surface-faq [hidden]{display:none!important}
.surface-faq{width:min(1120px,calc(100% - 48px));margin-inline:auto}
.surface-faq h1,.surface-faq h2,.surface-faq h3,.surface-faq p{margin:0}
.surface-faq h1,.surface-faq h2,.surface-faq h3{line-height:1.4;text-wrap:balance}
.surface-faq h1{font-size:38px;font-weight:600;letter-spacing:-.03em}
.surface-faq h2{font-size:27px;font-weight:600}
.surface-faq h3{font-size:18px;font-weight:600}
.surface-faq .skip{position:absolute;left:-9999px}
.surface-faq .skip:focus{left:20px;top:10px;background:white;padding:10px;z-index:5}
.surface-faq .draft-bar{background:var(--deep);color:#dce8e1;font-size:12px;letter-spacing:.04em}
.surface-faq .draft-bar .wrap{display:flex;justify-content:space-between;gap:12px;padding-block:7px}
.surface-faq .page-nav{background:white;border-bottom:1px solid var(--line)}
.surface-faq .nav-content{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:78px}
.surface-faq .brand{font-size:27px;font-weight:750;color:var(--green);letter-spacing:-.05em}
.surface-faq .brand small{font-size:12px;font-weight:500;letter-spacing:.15em;margin-left:16px;padding-left:16px;border-left:1px solid #c8d5cc}
.surface-faq .page-nav nav{display:flex;gap:26px;font-size:14px}
.surface-faq .page-nav nav a{text-decoration:none;color:var(--muted)}
.surface-faq .page-nav nav a:first-child{color:var(--green)}
.surface-faq .page-intro{padding-block:32px 28px}
.surface-faq .breadcrumb{color:var(--muted);font-size:12px;margin-bottom:18px}
.surface-faq .breadcrumb span{padding-inline:10px;color:#7b8c82}
.surface-faq .eyebrow{color:var(--green);font-size:11px;font-weight:650;letter-spacing:.16em}
.surface-faq .page-intro h1{margin-top:8px}
.surface-faq .page-intro>p{color:var(--muted);margin-top:12px;max-width:750px}
.surface-faq .audience-tabs{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.surface-faq .audience-tab{position:relative;display:flex;align-items:center;text-align:left;gap:20px;background:white;border:1px solid var(--line);color:var(--text);padding:25px 26px;min-width:0}
.surface-faq .tab-icon{width:48px;height:48px;flex-shrink:0;display:grid;place-items:center;background:#f0f4ef;border:1px solid var(--line);color:var(--green)}
.surface-faq .tab-icon svg{width:28px;height:28px}
.surface-faq .tab-copy{display:block;min-width:0}
.surface-faq .tab-copy strong{display:block;font-size:21px;font-weight:600;line-height:1.5}
.surface-faq .tab-copy small{display:block;color:var(--muted);font-size:13px;margin-top:4px;font-weight:400}
.surface-faq .tab-arrow{margin-left:auto;color:var(--green);font-size:23px}
.surface-faq .audience-tab[aria-selected="true"]{background:var(--pale);border-color:var(--green);box-shadow:inset 0 3px var(--green)}
.surface-faq .audience-tab[aria-selected="true"] .tab-icon{background:var(--green);color:white;border-color:var(--green)}
.surface-faq .audience-tab:hover{border-color:var(--green)}
.surface-faq .faq-panel{padding-top:34px;padding-bottom:44px}
.surface-faq .panel-heading{display:flex;gap:20px;align-items:center;justify-content:space-between;margin-bottom:18px}
.surface-faq .panel-heading h2{font-size:25px}
.surface-faq .panel-description{color:var(--muted);font-size:14px;margin-top:5px}
.surface-faq .expand-button{flex-shrink:0;border:0;background:transparent;color:var(--green);font-size:14px;padding:8px 0;text-decoration:underline;text-underline-offset:5px}
.surface-faq .faq-list{border-top:1px solid var(--line)}
.surface-faq .faq-item{border:1px solid var(--line);border-top:0;background:white}
.surface-faq .faq-item summary{display:flex;align-items:baseline;gap:17px;list-style:none;cursor:pointer;padding:19px 24px;color:var(--text);font-weight:550;font-size:17px;line-height:1.65}
.surface-faq .faq-item summary::-webkit-details-marker,.surface-faq .example summary::-webkit-details-marker{display:none}
.surface-faq .question-mark{color:var(--green);font-size:12px;font-variant-numeric:tabular-nums;font-weight:650;min-width:25px;letter-spacing:.02em}
.surface-faq .faq-item summary:after{content:"+";color:var(--green);font-size:23px;margin-left:auto;line-height:1;flex-shrink:0}
.surface-faq .faq-item[open] summary:after{content:"−"}
.surface-faq .faq-item[open]{background:#f5f8f3}
.surface-faq .faq-item[open] summary{color:var(--green)}
.surface-faq .faq-item summary:hover{background:#f5f8f3}
.surface-faq .faq-answer{padding:0 64px 22px;color:var(--muted);font-size:15px;max-width:990px}
.surface-faq .faq-answer p+p{margin-top:10px}
.surface-faq .faq-panel:focus{outline:none}
.surface-faq .examples-section{border-top:1px solid var(--line);padding:40px 0 58px}
.surface-faq .section-heading{display:flex;gap:28px;justify-content:space-between;align-items:flex-end;margin-bottom:24px}
.surface-faq .section-heading h2{margin-top:7px}
.surface-faq .section-heading p{font-size:15px;color:var(--muted);max-width:590px;margin-top:10px}
.surface-faq .common-badge{display:inline-block;padding:5px 11px;border:1px solid #c4d5c8;background:var(--pale);color:var(--green);font-size:12px;white-space:nowrap}
.surface-faq .example{background:white;border:1px solid var(--line);margin-top:12px;scroll-margin-top:24px}
.surface-faq .example>summary{display:flex;align-items:center;gap:22px;padding:24px;list-style:none;cursor:pointer}
.surface-faq .example-number{font-size:13px;font-weight:650;color:var(--green);letter-spacing:.08em;background:var(--pale);width:42px;height:42px;display:grid;place-items:center;flex-shrink:0}
.surface-faq .example-title{display:block;min-width:0}
.surface-faq .example-title strong{display:block;font-size:20px;font-weight:600}
.surface-faq .example-title small{display:block;color:var(--muted);font-size:14px;margin-top:4px}
.surface-faq .example>summary:after{content:"+";margin-left:auto;font-size:24px;color:var(--green);flex-shrink:0}
.surface-faq .example[open]>summary:after{content:"−"}
.surface-faq .example[open]>summary{border-bottom:1px solid var(--line);background:#f5f8f3}
.surface-faq .example>summary:hover{background:#f5f8f3}
.surface-faq .example-content{padding:26px}
.surface-faq .example-intro{color:var(--muted);font-size:15px;max-width:850px;margin-bottom:22px}
.surface-faq .example-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.surface-faq .example-box{border:1px solid var(--line);padding:22px;background:#fafbf9}
.surface-faq .example-box:last-child{background:#edf3ec}
.surface-faq .example-box h3{margin-bottom:18px}
.surface-faq .example-box ul{list-style:none;padding:0;margin:0}
.surface-faq .example-box li+li{border-top:1px solid var(--line);margin-top:15px;padding-top:15px}
.surface-faq .example-box li strong{font-size:15px;font-weight:600}
.surface-faq .example-box li p{font-size:14px;color:var(--muted);margin-top:5px}
.surface-faq .example-questions{margin-top:25px}
.surface-faq .example-questions h3{margin-bottom:12px}
.surface-faq .example-question{padding:15px 0;border-bottom:1px solid var(--line)}
.surface-faq .example-question h4{margin:0 0 7px;font-size:15px;font-weight:600}
.surface-faq .example-question p{font-size:14px;color:var(--muted)}
.surface-faq .example-verification{margin-top:24px}
.surface-faq .example-verification h3{margin-bottom:7px}
.surface-faq .table-hint{font-size:12px;color:var(--muted);margin-bottom:10px}
.surface-faq .table-scroll{overflow:auto;border:1px solid var(--line)}
.surface-faq table{width:100%;min-width:650px;border-collapse:collapse;font-size:14px;text-align:left}
.surface-faq th,.surface-faq td{padding:13px 16px;vertical-align:top;border-bottom:1px solid var(--line);line-height:1.75}
.surface-faq thead th{background:var(--deep);color:white;font-weight:500}
.surface-faq tbody th{background:var(--pale);min-width:125px;font-weight:550}
.surface-faq td{color:var(--muted)}
.surface-faq tr:last-child>th,.surface-faq tr:last-child>td{border-bottom:0}
.surface-faq .example-related{display:flex;gap:9px;flex-wrap:wrap;align-items:center;margin-top:22px;font-size:13px;color:var(--muted)}
.surface-faq .example-related span{padding:3px 9px;border:1px solid var(--line);background:var(--bg)}
.surface-faq .example-note{font-size:13px;color:var(--muted);margin:20px 0 0;max-width:900px}
.surface-faq .page-footer{background:var(--pale);border-top:1px solid var(--line);font-size:12px;color:var(--muted)}
.surface-faq .page-footer .wrap{display:flex;justify-content:space-between;gap:20px;padding-block:20px}
@media(max-width:800px){.surface-faq{width:calc(100% - 36px)}
.surface-faq .audience-tab{padding:22px 18px;gap:13px}
.surface-faq .tab-icon{width:40px;height:40px}
.surface-faq .tab-copy strong{font-size:18px}
.surface-faq .tab-copy small{font-size:12px}
.surface-faq .tab-arrow{display:none}
.surface-faq .example-grid{grid-template-columns:1fr}
.surface-faq .section-heading{align-items:flex-start}
.surface-faq .common-badge{margin-top:8px}}
@media(max-width:560px){.surface-faq{font-size:15px}
.surface-faq{width:calc(100% - 32px)}
.surface-faq .draft-bar .wrap span:last-child{display:none}
.surface-faq .nav-content{min-height:66px;gap:15px}
.surface-faq .brand{font-size:23px}
.surface-faq .brand small{display:none}
.surface-faq .page-nav nav{gap:17px;font-size:13px}
.surface-faq .page-intro{padding-block:25px 24px}
.surface-faq h1{font-size:29px}
.surface-faq .breadcrumb{margin-bottom:13px}
.surface-faq .page-intro>p{font-size:14px}
.surface-faq .audience-tabs{gap:10px}
.surface-faq .audience-tab{padding:16px 13px;display:block}
.surface-faq .tab-icon{width:32px;height:32px;margin-bottom:13px}
.surface-faq .tab-icon svg{width:22px;height:22px}
.surface-faq .tab-copy strong{font-size:17px}
.surface-faq .tab-copy small{font-size:11px;line-height:1.75;margin-top:6px}
.surface-faq .faq-panel{padding-top:26px;padding-bottom:32px}
.surface-faq .panel-heading{align-items:flex-start;gap:12px;margin-bottom:15px}
.surface-faq .panel-heading h2{font-size:21px}
.surface-faq .panel-description{font-size:12px}
.surface-faq .expand-button{font-size:12px;padding-top:4px}
.surface-faq .faq-item summary{padding:16px 15px;gap:10px;font-size:15px}
.surface-faq .question-mark{font-size:11px;min-width:20px}
.surface-faq .faq-answer{padding:0 20px 18px 45px;font-size:14px}
.surface-faq .examples-section{padding-block:30px 38px}
.surface-faq .section-heading{display:block;margin-bottom:19px}
.surface-faq .section-heading h2{font-size:24px}
.surface-faq .section-heading p{font-size:14px}
.surface-faq .common-badge{margin-top:15px}
.surface-faq .example>summary{padding:17px 15px;gap:13px}
.surface-faq .example-number{width:32px;height:32px;font-size:11px}
.surface-faq .example-title strong{font-size:17px}
.surface-faq .example-title small{font-size:12px}
.surface-faq .example-content{padding:18px 15px}
.surface-faq .example-box{padding:18px}
.surface-faq .example-intro{font-size:14px}
.surface-faq .page-footer .wrap{display:block;line-height:1.9}
.surface-faq .page-footer .wrap span{display:block}}
.surface-faq .section-heading .photo-reference-note{font-size:12px;margin-top:7px;color:#62716a}
.surface-faq .example>summary{padding:16px 24px;gap:25px;min-height:140px}
.surface-faq .example-thumb{display:block;flex:0 0 142px;width:142px;height:104px;border:1px solid var(--line);background:white}
.surface-faq .example-thumb img{display:block;width:100%;height:100%;object-fit:contain}
.surface-faq .example-number{display:block;width:auto;height:auto;background:none;letter-spacing:.09em;font-size:10px;margin-bottom:5px;line-height:1.5}
.surface-faq .example-photo{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:0;margin:0 0 27px;border:1px solid var(--line);background:var(--bg)}
.surface-faq .photo-original{position:relative;display:flex;align-items:center;justify-content:center;background:white;min-width:0;padding:14px 14px 39px}
.surface-faq .photo-original img{display:block;width:100%;height:280px;object-fit:contain}
.surface-faq .photo-original>span{position:absolute;bottom:12px;right:16px;font-size:12px}
.surface-faq .example-photo figcaption{align-self:center;padding:26px 30px}
.surface-faq .example-photo h3{margin:9px 0 12px;font-size:20px}
.surface-faq .example-photo p{font-size:14px;color:var(--muted)}
.surface-faq .example-photo .photo-credit{margin-top:22px;font-size:12px}
.surface-faq .example-photo .photo-scope{font-size:12px;margin-top:9px;color:#62716a}
.surface-faq .example-photo a:hover{color:var(--deep)}
@media(max-width:800px){.surface-faq .example-photo{grid-template-columns:1fr 1fr}
.surface-faq .example-photo figcaption{padding:22px}
.surface-faq .photo-original img{height:250px}
.surface-faq .example-title strong{font-size:19px}}
@media(max-width:560px){.surface-faq .example>summary{padding:14px 12px;gap:13px;min-height:117px}
.surface-faq .example-thumb{flex-basis:82px;width:82px;height:78px}
.surface-faq .example-number{font-size:8px;letter-spacing:.03em;margin-bottom:4px}
.surface-faq .example-title strong{font-size:16px;line-height:1.5}
.surface-faq .example-title small{font-size:11px;line-height:1.65;margin-top:5px}
.surface-faq .example>summary:after{font-size:21px}
.surface-faq .example-photo{grid-template-columns:1fr;margin-bottom:23px}
.surface-faq .photo-original img{height:225px}
.surface-faq .example-photo figcaption{padding:20px}
.surface-faq .example-photo h3{font-size:18px}
.surface-faq .example-photo .photo-credit{margin-top:16px}}
.surface-faq .ai-image-badge{display:inline-block;margin-top:7px;padding:1px 7px;border:1px solid #bdcfc3;background:var(--pale);color:var(--green);font-size:10px;line-height:1.6;letter-spacing:.03em}
@media(prefers-reduced-motion:reduce){.surface-faq{scroll-behavior:auto}}


.surface-faq{margin-inline:auto;padding-bottom:48px}.surface-faq .page-jumps{display:flex;gap:20px;flex-wrap:wrap;margin-top:20px;font-size:14px}.surface-faq .example-related a{padding:3px 9px;border:1px solid var(--line);background:var(--bg)}.surface-faq .surface-next{border-top:1px solid var(--line);padding:32px 0}.surface-faq .surface-next p{margin:12px 0 20px}.surface-faq .surface-next .button{color:#fff}.surface-faq .surface-next .button.outline{color:var(--green)}

.surface-faq .supplier-cases-heading{margin:34px 0 20px;scroll-margin-top:24px}.surface-faq .supplier-cases-heading h3{font-size:23px}.surface-faq .supplier-cases-heading p{font-size:14px;color:var(--muted);margin-top:9px}.surface-faq .example-faq-reference{font-size:13px;color:var(--muted);margin-top:15px}.surface-faq .case-provenance{margin-top:24px;border-top:1px solid var(--line);padding-top:14px;font-size:13px;color:var(--muted)}.surface-faq .case-provenance>summary{cursor:pointer;display:list-item;padding:0;list-style:disclosure-closed}.surface-faq .case-provenance[open]>summary{list-style:disclosure-open}.surface-faq .case-provenance>summary:after{display:none}.surface-faq .case-provenance p{margin-top:10px}