@charset "UTF-8";
/* 知识中心、图片署名与科普文章的增量样式。 */
.knowledge-nav{display:flex;flex-wrap:wrap;gap:5px;border-block:1px solid var(--line);padding:12px 0;margin-bottom:32px}
.knowledge-nav a{padding:9px 19px;font-size:12px;color:var(--muted);border:1px solid transparent}
.knowledge-nav a[aria-current="page"]{background:var(--green);color:#fff}
.knowledge-nav a:hover{border-color:#9caa91}
.knowledge-lead{max-width:850px;margin-bottom:28px;font-size:14px;line-height:2.1}
.knowledge-callout{background:#eceee2;border-left:3px solid #9caa8b;padding:25px 30px;margin:0 0 35px}
.knowledge-callout h2{font-size:23px;margin-bottom:15px}
.knowledge-callout p{font-size:13px;line-height:2.1;max-width:980px}
.knowledge-callout p+p{margin-top:12px}
.photo-library-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:25px;align-items:start}
.reference-photo{min-width:0;border:1px solid var(--line);padding:12px;background:var(--white);margin-bottom:28px}
.photo-library-grid>.reference-photo{margin-bottom:0}
.reference-photo-image{display:flex;align-items:center;justify-content:center;height:330px;background:#eeefe9;overflow:hidden}
.reference-photo-image img{display:block;width:100%;height:100%;object-fit:contain;max-width:100%}
.reference-photo figcaption{padding:18px 7px 7px;min-width:0}
.reference-photo figcaption>strong{font-size:16px;font-weight:600;line-height:1.7}
.reference-photo figcaption p{font-size:13px;line-height:1.95;margin-top:10px;overflow-wrap:anywhere}
.reference-photo .photo-boundary{font-size:12px;padding:9px 12px;background:#ecefe4;border-left:2px solid #9eae8d;color:#536d50}
.photo-credit{font-size:11px;color:#687a5d;margin-top:14px;line-height:2;overflow-wrap:anywhere}
.photo-credit a{border-bottom:1px dotted #8d9e7d}
.photo-credit a:hover{color:var(--orange)}
.reference-photo figcaption small{display:block;font-size:10px;color:#74846a;border-top:1px solid var(--line);padding-top:11px;margin-top:12px;line-height:1.95;overflow-wrap:anywhere}
.reference-photo.compact-photo{max-width:560px;margin-top:22px}
.compact-photo .reference-photo-image{height:275px}
.article-body .reference-photo{margin-top:28px}
.article-body .reference-photo-image{height:auto;max-height:380px}
.article-body .reference-photo-image img{height:380px}
.direct-answer{border-left:3px solid var(--orange);padding:23px 27px;background:var(--green);margin-bottom:26px}
.direct-answer>span{font-size:11px;letter-spacing:.13em;color:#b9c7ac;display:block;margin-bottom:10px}
.article-body .direct-answer p{color:#edf1e4;font-size:15px;line-height:2.1;margin:0}
.article-toc{display:flex;flex-direction:column;gap:0;border-block:1px solid var(--line);padding:21px 0;margin-bottom:25px}
.article-toc strong{font-size:12px;margin-bottom:10px;font-weight:500;color:#7b8a70}
.article-toc a{font-size:13px;line-height:1.8;padding:7px 12px;border-left:1px solid #b0bca4;overflow-wrap:anywhere}
.article-toc a:hover{color:var(--orange);border-left-color:var(--orange)}
.knowledge-resource-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:19px;margin-bottom:54px}
.knowledge-resource-grid>a{display:flex;flex-direction:column;min-width:0;padding:25px;border:1px solid var(--line);border-top:2px solid #97a88b;background:#fafbf6}
.knowledge-resource-grid>a:hover{border-top-color:var(--orange);background:#eef1e6}
.knowledge-resource-grid>a>span{display:block;font-size:9px;color:#7b8c6f;letter-spacing:.08em}
.knowledge-resource-grid h2{font-size:23px;margin-block:17px 12px}
.knowledge-resource-grid p{font-size:12px;line-height:2;margin-bottom:24px}
.knowledge-resource-grid b{display:inline-flex;gap:20px;margin-top:auto;font-weight:500;font-size:11px}
.knowledge-resource-grid b span{font-size:16px}
.topic-links{display:flex;flex-wrap:wrap;gap:9px;padding-bottom:22px;border-bottom:1px solid var(--line)}
.topic-links a{font-size:12px;padding:8px 14px;border:1px solid #c4cdb8;background:#f3f5eb}
.topic-links a:hover{border-color:var(--orange);color:var(--orange)}
.question-group{padding-block:30px;scroll-margin-top:25px}
.question-group h2{font-size:25px;margin-bottom:21px}
.question-group .eyebrow{margin-bottom:10px}
.faq-answer{padding:0 25px 25px 33px}
.faq-list .faq-answer p{padding:0;font-size:13px;line-height:2.1}
.faq-answer>a{display:inline-flex;gap:17px;font-size:11px;border-bottom:1px solid #a1b192;margin-top:14px;padding-bottom:4px}
.faq-answer>a:hover{color:var(--orange)}
.misconception-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:23px;margin-bottom:40px}
.misconception-grid>article{min-width:0;display:flex;flex-direction:column;padding:26px 29px;border:1px solid var(--line);background:#fcfcf6}
.misconception-number{font-size:11px;letter-spacing:.07em;color:var(--orange);margin-bottom:18px}
.misconception-grid h2{font-size:22px;line-height:1.7;margin-bottom:20px}
.misconception-grid article>div{border-left:2px solid #9aac8b;padding-left:17px;margin-bottom:23px}
.misconception-grid article>div>strong{font-size:11px;color:#76886a;font-weight:500}
.misconception-grid article>div>p{font-size:13px;line-height:2;margin-top:8px}
.misconception-grid article>a{font-size:11px;display:inline-flex;gap:17px;align-self:flex-start;border-bottom:1px solid #a7b69a;padding-bottom:5px;margin-top:auto}
.misconception-grid article>a:hover{color:var(--orange)}
.reference-section{padding-top:30px;margin-top:35px;border-top:1px solid var(--line);scroll-margin-top:25px}
.reference-section h2{font-size:22px;margin-bottom:20px}
.reference-section ol{padding-left:20px;line-height:2}
.reference-section li{font-size:12px;margin-bottom:15px;overflow-wrap:anywhere}
.reference-section li a{border-bottom:1px dotted #9dac8c}
.reference-section li a:hover{color:var(--orange)}
.reference-section li>span{display:block;font-size:10px;color:#7f8e74}
.reference-section p,.article-body .reference-section p{font-size:12px;line-height:2.1;margin-top:18px;color:#6d7c64}
.article-related a{white-space:normal;max-width:100%;overflow-wrap:anywhere}
.home-photo-feature{display:grid;grid-template-columns:1fr 1.05fr;gap:65px;align-items:center}
.home-photo-feature>div,.home-photo-feature>figure{min-width:0}
.home-photo-feature h2{font-size:31px;line-height:1.65;margin-bottom:20px}
.home-photo-feature>div>p:not(.eyebrow){font-size:13px;line-height:2.1;max-width:470px;margin-bottom:27px}
.home-photo-feature>.reference-photo{margin:0;max-width:none}
.product-learning .article-related{margin-bottom:25px}
@media(max-width:850px){
 .knowledge-resource-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
 .knowledge-resource-grid>a{padding:20px 17px}
 .knowledge-resource-grid h2{font-size:21px}
 .photo-library-grid{gap:18px}.reference-photo-image{height:250px}
 .misconception-grid{gap:18px}.misconception-grid>article{padding:23px}.misconception-grid h2{font-size:20px}
 .home-photo-feature{gap:30px}.home-photo-feature h2{font-size:27px}
}
@media(max-width:640px){
 .knowledge-nav{gap:5px;padding-block:10px;margin-bottom:25px}.knowledge-nav a{padding:8px 10px;font-size:11px}
 .knowledge-lead{font-size:13px;line-height:2}.knowledge-callout{padding:21px;margin-bottom:27px}
 .knowledge-callout h2{font-size:21px}.knowledge-callout p{font-size:12px}
 .photo-library-grid{grid-template-columns:1fr;gap:22px}
 .reference-photo{padding:9px;margin-bottom:22px}.reference-photo-image{height:245px}
 .reference-photo figcaption{padding:15px 5px 4px}.reference-photo figcaption>strong{font-size:15px}
 .reference-photo figcaption p{font-size:12px}.reference-photo .photo-boundary{font-size:11px}
 .photo-credit{font-size:10px}.reference-photo figcaption small{font-size:10px}
 .compact-photo .reference-photo-image{height:230px}
 .article-body .reference-photo-image img{height:auto;max-height:300px}
 .direct-answer{padding:20px}.article-body .direct-answer p{font-size:14px}
 .article-toc a{font-size:12px}.knowledge-resource-grid{grid-template-columns:1fr;gap:14px;margin-bottom:36px}
 .knowledge-resource-grid>a{padding:23px}.knowledge-resource-grid p{font-size:12px;margin-bottom:20px}
 .knowledge-resource-grid h2{font-size:23px;margin-block:13px 10px}
 .question-group{padding-block:25px}.question-group h2{font-size:23px}
 .topic-links a{font-size:11px;padding:7px 11px}.faq-answer{padding:0 10px 22px 12px}
 .faq-list .faq-answer p{font-size:12px}.faq-answer>a{font-size:11px}
 .misconception-grid{grid-template-columns:1fr;gap:17px;margin-bottom:30px}.misconception-grid>article{padding:23px}
 .misconception-grid h2{font-size:21px;margin-bottom:18px}.misconception-grid article>div>p{font-size:12px}
 .reference-section h2{font-size:21px}.reference-section li{font-size:12px}.reference-section p,.article-body .reference-section p{font-size:12px}
 .home-photo-feature{grid-template-columns:1fr;gap:27px}.home-photo-feature h2{font-size:27px}
 .home-photo-feature>div>p:not(.eyebrow){font-size:12px;margin-bottom:22px}
}
@media(prefers-reduced-motion:reduce){.knowledge-nav a,.knowledge-resource-grid>a{transition:none}}