.knowledge-page{--kc-orange:#f36b22;--kc-ink:#1e2732;--kc-muted:#667085;--kc-line:#e9edf2;--kc-soft:#f7f8fa;--kc-warm:#fff7f1;padding-top:72px;background:#fff;color:var(--kc-ink);font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif}.knowledge-page *{box-sizing:border-box}.knowledge-detail-page [id]{scroll-margin-top:96px}.knowledge-shell{width:calc(100% - 48px);max-width:1180px;margin:0 auto}.knowledge-eyebrow{margin:0 0 8px;color:var(--kc-orange);font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase}.knowledge-hero{padding:72px 0 64px;background:linear-gradient(135deg,#fff9f5 0%,#fff 58%,#f8fafc 100%);border-bottom:1px solid var(--kc-line)}.knowledge-hero__inner{max-width:1000px}.knowledge-hero h1{max-width:780px;margin:0;font-size:48px;line-height:1.16;letter-spacing:-1.6px}.knowledge-hero__lead{max-width:780px;margin:20px 0 0;color:#596273;font-size:18px;line-height:1.8}.knowledge-directory{padding:24px 0;background:#fff;border-bottom:1px solid var(--kc-line)}.knowledge-filter-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}.knowledge-filter-row+.knowledge-filter-row{margin-top:12px}.knowledge-filter-label{min-width:52px;color:#7d8593;font-size:13px}.knowledge-filter-chip{display:inline-flex;align-items:center;min-height:36px;padding:7px 15px;border:1px solid #e6e8ec;border-radius:999px;background:#fff;color:#4b5563;font-size:14px;text-decoration:none;transition:.2s ease}.knowledge-filter-chip:hover,.knowledge-filter-chip.is-active{border-color:var(--kc-orange);background:var(--kc-warm);color:#b94c14}.knowledge-feed{padding:54px 0 84px}.knowledge-section-heading{display:flex;justify-content:space-between;gap:28px;align-items:flex-end;margin-bottom:28px}.knowledge-section-heading h2{margin:0;font-size:30px;line-height:1.3}.knowledge-section-heading>p,.knowledge-section-heading>a{max-width:480px;margin:0;color:#697386;font-size:14px;line-height:1.8}.knowledge-section-heading>a{color:var(--kc-orange);font-weight:600;text-decoration:none}.knowledge-section-heading--compact{display:block;margin-bottom:20px}.knowledge-card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.knowledge-card{overflow:hidden;border:1px solid var(--kc-line);border-radius:18px;background:#fff;box-shadow:0 8px 24px rgba(31,39,50,.045);transition:transform .2s ease,box-shadow .2s ease}.knowledge-card:hover{transform:translateY(-4px);box-shadow:0 16px 34px rgba(31,39,50,.09)}.knowledge-card__media{display:block;aspect-ratio:3/2;background:#f2f4f7;overflow:hidden}.knowledge-card__media img{width:100%;height:100%;object-fit:contain;transition:transform .35s ease}.knowledge-card:hover .knowledge-card__media img{transform:none}.knowledge-card__body{padding:21px 22px 23px}.knowledge-card__meta{display:flex;gap:12px;align-items:center;margin-bottom:10px;color:#8a93a2;font-size:12px}.knowledge-card__meta span{color:#bd531a;font-weight:600}.knowledge-card h2,.knowledge-card h3{margin:0;font-size:20px;line-height:1.48}.knowledge-card h3{font-size:18px}.knowledge-card h2 a,.knowledge-card h3 a{color:var(--kc-ink);text-decoration:none}.knowledge-card__body>p{display:-webkit-box;overflow:hidden;-webkit-line-clamp:3;-webkit-box-orient:vertical;min-height:72px;margin:12px 0 18px;color:#687284;font-size:14px;line-height:1.72}.knowledge-text-link{color:var(--kc-orange);font-size:14px;font-weight:650;text-decoration:none}.knowledge-pagination{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin-top:44px}.knowledge-pagination__item{display:inline-flex;align-items:center;justify-content:center;min-width:38px;height:38px;padding:0 12px;border:1px solid var(--kc-line);border-radius:10px;background:#fff;color:#556070;font-size:14px;text-decoration:none}.knowledge-pagination__item.is-current{border-color:var(--kc-orange);background:var(--kc-orange);color:#fff}.knowledge-pagination__item.is-disabled{color:#a1a8b3;background:#fafafa}.knowledge-empty{padding:64px 20px;border:1px dashed #d9dde3;border-radius:18px;text-align:center;background:#fafbfc}.knowledge-empty h2{margin:0 0 8px}.knowledge-empty p{margin:0;color:var(--kc-muted)}.knowledge-breadcrumb{display:flex;gap:9px;align-items:center;padding:22px 0;color:#9299a5;font-size:13px;white-space:nowrap;overflow:hidden}.knowledge-breadcrumb a{color:#6d7684;text-decoration:none}.knowledge-breadcrumb span:last-child{overflow:hidden;text-overflow:ellipsis}.knowledge-article-hero{padding:46px 0 50px;background:linear-gradient(180deg,#fffaf7 0%,#fff 100%);border-bottom:1px solid var(--kc-line)}.knowledge-article-hero__inner{max-width:930px}.knowledge-article-tagline{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}.knowledge-topic-chip{display:inline-flex;padding:6px 11px;border-radius:999px;background:#fff0e7;color:#ba4d16;font-size:12px;font-weight:650}.knowledge-topic-chip--soft{background:#f1f4f7;color:#5e6876}.knowledge-article-hero h1{max-width:920px;margin:0;font-size:44px;line-height:1.22;letter-spacing:-1.1px}.knowledge-article-lead{max-width:850px;margin:18px 0 0;color:#5f6878;font-size:17px;line-height:1.85}.knowledge-article-meta{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:22px;color:#8a93a0;font-size:13px}.knowledge-article-grid{display:grid;grid-template-columns:190px minmax(0,790px);justify-content:center;gap:52px;padding-top:42px;padding-bottom:70px}.knowledge-article-nav{position:sticky;top:96px;align-self:start;display:flex;flex-direction:column;gap:4px;padding:18px 0;border-top:2px solid var(--kc-ink);border-bottom:1px solid var(--kc-line)}.knowledge-article-nav strong{margin-bottom:8px;font-size:14px}.knowledge-article-nav a{padding:7px 0;color:#77808e;font-size:13px;text-decoration:none}.knowledge-article-nav a:hover{color:var(--kc-orange)}.knowledge-article-main{min-width:0}.knowledge-direct-answer{margin-bottom:34px;padding:26px 28px;border:1px solid #ffd9c5;border-left:4px solid var(--kc-orange);border-radius:14px;background:var(--kc-warm)}.knowledge-direct-answer h2{margin:0 0 10px;font-size:24px}.knowledge-direct-answer>p:last-child{margin:0;color:#424b59;font-size:16px;line-height:1.9}.knowledge-key-points{margin-bottom:34px;padding:26px 28px;border:1px solid var(--kc-line);border-radius:16px;background:#fbfcfd}.knowledge-key-points ul{display:grid;gap:12px;margin:0;padding:0;list-style:none}.knowledge-key-points li{position:relative;padding-left:24px;color:#4d5664;line-height:1.75}.knowledge-key-points li:before{content:"✓";position:absolute;left:0;top:0;color:var(--kc-orange);font-weight:700}.knowledge-article-cover{margin:0 0 40px}.knowledge-article-cover img{display:block;width:auto;max-width:100%;height:auto;max-height:70vh;margin:0 auto;object-fit:contain;border-radius:18px}.knowledge-article-cover figcaption{padding:10px 4px 0;color:#8a93a0;font-size:12px;line-height:1.6}.knowledge-rich-section{margin-bottom:42px}.knowledge-rich-content{color:#333d4b;font-size:16px;line-height:1.95}.knowledge-rich-content h2{scroll-margin-top:100px;margin:42px 0 16px;color:#1f2937;font-size:28px;line-height:1.35}.knowledge-rich-content h3{scroll-margin-top:100px;margin:30px 0 12px;color:#253142;font-size:21px;line-height:1.45}.knowledge-rich-content p{margin:0 0 18px}.knowledge-rich-content ul,.knowledge-rich-content ol{margin:0 0 22px;padding-left:24px}.knowledge-rich-content li{margin:7px 0}.knowledge-rich-content a{color:#c75317;text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}.knowledge-rich-content img{max-width:100%;height:auto;border-radius:14px}.knowledge-rich-content figure{margin:30px 0}.knowledge-rich-content figcaption{margin-top:8px;color:#8a93a0;font-size:13px;text-align:center}.knowledge-rich-content blockquote{margin:28px 0;padding:18px 22px;border-left:4px solid var(--kc-orange);background:#fff7f1;color:#535c69}.knowledge-rich-content table{width:100%;margin:28px 0;border-collapse:separate;border-spacing:0;overflow:hidden;border:1px solid #e1e5ea;border-radius:12px}.knowledge-rich-content th,.knowledge-rich-content td{padding:12px 14px;border-right:1px solid #e8ebef;border-bottom:1px solid #e8ebef;text-align:left;vertical-align:top}.knowledge-rich-content th{background:#f7f8fa}.knowledge-rich-content tr:last-child td{border-bottom:0}.knowledge-rich-content th:last-child,.knowledge-rich-content td:last-child{border-right:0}.knowledge-faq,.knowledge-sources{margin-top:42px;padding-top:36px;border-top:1px solid var(--kc-line)}.knowledge-faq-list{display:grid;gap:10px}.knowledge-faq-item{border:1px solid var(--kc-line);border-radius:13px;background:#fff}.knowledge-faq-item summary{position:relative;padding:17px 48px 17px 18px;cursor:pointer;font-weight:650;line-height:1.5;list-style:none}.knowledge-faq-item summary::-webkit-details-marker{display:none}.knowledge-faq-item summary:after{content:"+";position:absolute;right:18px;top:13px;color:var(--kc-orange);font-size:24px;font-weight:400}.knowledge-faq-item[open] summary:after{content:"−"}.knowledge-faq-item>div{padding:0 18px 16px;color:#5e6877;line-height:1.8}.knowledge-faq-item p{margin:0}.knowledge-source-list{display:grid;gap:12px;margin:0;padding-left:21px}.knowledge-source-list li{padding-left:4px;color:#687284;line-height:1.65}.knowledge-source-list a{color:#b94c14;text-decoration:none;word-break:break-word}.knowledge-source-list small{display:block;margin-top:3px;color:#9aa1ab}.knowledge-reviewer{display:grid;grid-template-columns:44px 1fr;gap:18px;margin-top:42px;padding:24px 26px;border:1px solid #dfe9e4;border-radius:16px;background:#f8fcfa}.knowledge-reviewer__icon{display:flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:50%;background:#e4f5eb;color:#26824c;font-size:20px;font-weight:700}.knowledge-reviewer h2{margin:0 0 10px;font-size:22px}.knowledge-reviewer p{margin:5px 0;color:#596472;line-height:1.6}.knowledge-related{padding:58px 0 78px;background:#f7f8fa;border-top:1px solid var(--kc-line)}.knowledge-card-grid--related{grid-template-columns:repeat(3,minmax(0,1fr))}.knowledge-card-grid--related .knowledge-card__body>p{min-height:48px;-webkit-line-clamp:2}
@media(max-width:980px){.knowledge-card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.knowledge-article-grid{grid-template-columns:1fr;gap:24px;max-width:830px}.knowledge-article-nav{position:static;display:none}.knowledge-article-main{width:100%}}
@media(max-width:767px){.knowledge-page{padding-top:68px}.knowledge-shell{width:calc(100% - 32px)}.knowledge-hero{padding:46px 0 40px}.knowledge-hero h1{font-size:34px;letter-spacing:-.7px}.knowledge-hero__lead{margin-top:14px;font-size:16px;line-height:1.7}.knowledge-directory{padding:18px 0}.knowledge-filter-row{align-items:flex-start}.knowledge-filter-label{flex-basis:100%;min-width:0;margin-bottom:1px}.knowledge-feed{padding:40px 0 58px}.knowledge-section-heading{display:block;margin-bottom:22px}.knowledge-section-heading h2{font-size:25px}.knowledge-section-heading>p,.knowledge-section-heading>a{margin-top:10px}.knowledge-card-grid,.knowledge-card-grid--related{grid-template-columns:1fr;gap:18px}.knowledge-card__body{padding:18px}.knowledge-card__body>p{min-height:0}.knowledge-breadcrumb{padding:16px 0}.knowledge-article-hero{padding:28px 0 34px}.knowledge-article-hero h1{font-size:31px;line-height:1.28;letter-spacing:-.5px}.knowledge-article-lead{font-size:15px;line-height:1.75}.knowledge-article-grid{padding-top:26px;padding-bottom:50px}.knowledge-direct-answer,.knowledge-key-points{padding:20px 18px}.knowledge-direct-answer h2{font-size:21px}.knowledge-rich-content{font-size:15px;line-height:1.9}.knowledge-rich-content h2{margin-top:34px;font-size:24px}.knowledge-rich-content h3{font-size:19px}.knowledge-rich-content table{display:block;overflow-x:auto;white-space:nowrap}.knowledge-reviewer{grid-template-columns:1fr;padding:20px}.knowledge-related{padding:44px 0 56px}}
.knowledge-article-hero__copy{min-width:0}.knowledge-article-hero__cover{margin:28px 0 0}.knowledge-article-hero__cover img{width:100%;height:auto;object-fit:contain;display:block;border-radius:24px}
@media(min-width:981px){.knowledge-detail-page .knowledge-article-hero__inner{max-width:1180px;padding:42px 46px;background:#fff;box-shadow:0 0 12px 4px #f1f1f1;border-radius:36px}.knowledge-detail-page .knowledge-article-hero__inner:has(.knowledge-article-hero__cover){display:grid;grid-template-columns:minmax(0,1fr) 360px;align-items:center;gap:44px}.knowledge-detail-page .knowledge-article-hero__cover{margin:0}.knowledge-detail-page .knowledge-article-hero__cover img{max-height:320px}}
@media(max-width:980px){.knowledge-detail-page .knowledge-article-hero__cover{margin-top:26px}.knowledge-detail-page .knowledge-article-hero__cover img{max-width:100%;margin:0 auto}}
.knowledge-detail-page .knowledge-article-hero{background:none;border-bottom:0;padding:18px 0 24px}
.knowledge-detail-page .knowledge-article-nav{padding:18px;background:#fff;border:1px solid #eaeaea;border-radius:24px}
.knowledge-detail-page .knowledge-article-nav strong{padding:0 10px 6px}
.knowledge-detail-page .knowledge-article-nav a{padding:8px 10px;border-radius:12px;transition:color .2s ease,background-color .2s ease}
.knowledge-detail-page .knowledge-article-nav a:hover{background:#fffaf5;color:#ff6b00}
.knowledge-detail-page .knowledge-article-nav a.is-active{color:#ff6b00;font-weight:650;background:#fff7eb}
.knowledge-detail-page .knowledge-direct-answer{background:#fffdfb;border-radius:24px;border:1px solid #fda82b;border-left:1px solid #fda82b;box-shadow:none}
.knowledge-detail-page .knowledge-key-points{background:#fafafa;border:1px solid #eaeaea;border-radius:24px}
.knowledge-detail-page .knowledge-topic-chip{background:#fff7eb;border:1px solid #ffa31a;border-radius:30px;color:#b96a00}
.knowledge-detail-page .knowledge-topic-chip--soft{background:#f5f8ff;border:1px solid #b9c8eb;color:#526a9d}
@media(max-width:767px){.knowledge-detail-page .knowledge-article-hero{padding:10px 0 28px}}
.knowledge-detail-page .knowledge-topic-chip--soft{background:#fff4f2;border:1px solid #fc5638;border-radius:30px;color:#d63d22}
@media(min-width:981px){.knowledge-detail-page .knowledge-article-grid{padding-top:24px;grid-template-columns:190px minmax(0,1fr);gap:48px}}
.knowledge-detail-page .knowledge-article-main>*{margin-bottom:0}
.knowledge-detail-page .knowledge-article-main>*+*{margin-top:36px}
.knowledge-detail-page .knowledge-faq-item summary{font-size:17px;line-height:1.6}
.knowledge-detail-page .knowledge-faq-item>div{font-size:16px;line-height:1.85}
.knowledge-detail-page .knowledge-source-list{font-size:15px;line-height:1.75}
.knowledge-detail-page .knowledge-source-list small{font-size:14px;line-height:1.65}
.knowledge-detail-page .knowledge-reviewer p{font-size:15px;line-height:1.75}
.knowledge-detail-page .knowledge-article-meta{font-size:14px}
.knowledge-detail-page .knowledge-article-cover figcaption,.knowledge-detail-page .knowledge-rich-content figcaption{font-size:14px;line-height:1.7}