/* 语义别名：--ya-* 保留本页既有取值语义，但取值来源改为 care-tokens.css 的 --care-*，
   不再是第二套颜色来源。品牌色由 care-tokens 统一提供，本页不新定义色值。 */
:root{
  --ya-ink:var(--care-ink,#183e34);--ya-muted:var(--care-muted,#5b6d63);
  --ya-line:var(--care-line,#dedfd4);--ya-paper:var(--care-paper,#f7f4ec);
  --ya-card:var(--care-card,#fffdf8);
  /* 内容字号改为可继承 rem，跟随 standard/large 两档阅读偏好；
     标题保留页面自身的 clamp 比例（rem 基准），不再写死 px 数字。 */
  --ya-fs-body:var(--care-fs-body-1,.9375rem);
  --ya-fs-small:var(--care-fs-body-2,.875rem);
  --ya-fs-xs:var(--care-fs-body-3,.8125rem);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body.yalian-page{margin:0;background:var(--ya-paper);color:var(--ya-ink);font-family:var(--care-font-body,"Microsoft YaHei","PingFang SC",sans-serif);font-size:var(--ya-fs-body);line-height:var(--care-lh-body,1.55)}
.yalian-page main{max-width:1100px;margin:auto;padding:0 24px 70px}
.yalian-page a{color:inherit;text-decoration:none}
.yalian-page p{line-height:1.8}
.yalian-topbar{min-height:72px;display:flex;align-items:center;gap:20px;border-bottom:1px solid var(--ya-line)}
/* Aa 阅读入口挂在本页顶栏：与全站同一个控件，不新增品牌设计。
   展开菜单向上时不被顶栏裁切，头区自身不设 overflow:hidden。 */
.yalian-reading{position:relative;flex:none}
.yalian-reading .care-reading-menu{top:auto;bottom:calc(100% + .4rem);right:auto;left:0}
.yalian-back{font-size:var(--care-fs-h2);display:flex;align-items:center;gap:8px;min-height:44px}.yalian-back span{font-size:var(--care-fs-body-1);font-weight:700}
.yalian-topbar-title{font-size:var(--ya-fs-small);color:var(--ya-muted);margin:auto}.yalian-chat{border:1px solid #8ea99b;border-radius:22px;padding:10px 16px;font-size:var(--ya-fs-small);white-space:nowrap}
.yalian-hero{display:grid;grid-template-columns:.96fr 1.04fr;align-items:stretch;min-height:420px;margin:28px 0 18px;border-radius:20px;overflow:hidden;background:#e6e9de}
.yalian-hero-copy{padding:64px 52px;display:flex;flex-direction:column;align-items:flex-start;justify-content:center}
.yalian-eyebrow,.yalian-section-heading>span{font-size:var(--ya-fs-xs);font-weight:700;letter-spacing:.12em;color:#637b67}
.yalian-hero h1{font-family:"Noto Serif SC","Songti SC",serif;font-size:clamp(2.375rem,5vw,3.875rem);line-height:1.2;letter-spacing:.05em;margin:18px 0}
.yalian-hero p{font-size:var(--ya-fs-body);max-width:430px;margin:0 0 26px}.yalian-hero img{width:100%;height:100%;object-fit:cover;display:block}
.yalian-hero-link,.yalian-ending a{display:inline-flex;gap:12px;align-items:center;background:var(--ya-ink);color:#fff!important;border-radius:26px;padding:11px 22px;font-size:var(--ya-fs-small);min-height:44px}
.yalian-local-nav{display:flex;gap:6px;justify-content:center;margin:18px auto 0;flex-wrap:wrap}.yalian-local-nav a{padding:10px 17px;min-height:44px;border-radius:24px;color:var(--ya-muted);font-size:var(--ya-fs-small)}.yalian-local-nav a:hover,.yalian-local-nav a:focus-visible{background:#e8ebdf;color:var(--ya-ink)}
.yalian-section{padding:82px 0 8px;scroll-margin-top:22px}.yalian-section-heading h2{font-family:"Noto Serif SC","Songti SC",serif;font-size:clamp(1.6875rem,3vw,2.375rem);line-height:1.35;font-weight:600;margin:13px 0 22px}.yalian-section-heading p{max-width:740px;color:var(--ya-muted)}
.yalian-origin-grid{display:grid;grid-template-columns:1fr 1fr;gap:36px;border-top:1px solid var(--ya-line);padding-top:19px}.yalian-origin-grid p{font-size:var(--ya-fs-body);margin:0 0 15px;color:#324b3f}.yalian-origin-grid figure{margin:0}.yalian-origin-grid img{width:100%;height:240px;display:block;object-fit:cover;border-radius:14px}.yalian-origin-grid figcaption{font-size:var(--ya-fs-xs);color:#748578;margin-top:8px}
.yalian-timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:28px}.yalian-timeline article{border-top:2px solid #9aab87;padding-top:20px}.yalian-timeline span{font-family:Georgia,serif;font-size:var(--care-fs-h1);color:#55705d}.yalian-timeline p{margin:11px 0 0;font-size:var(--ya-fs-small);color:#41564b}
.yalian-products h3{font-size:var(--care-fs-h3);font-weight:700;margin:39px 0 16px}.yalian-feature-product{display:grid;grid-template-columns:40% 1fr;min-height:230px;border-radius:17px;overflow:hidden;background:#e7e5d9}.yalian-feature-art{position:relative;margin:0;background:#f6f1e8}.yalian-feature-art img{width:100%;height:100%;min-height:230px;object-fit:cover;display:block}.yalian-feature-art figcaption{position:absolute;bottom:8px;left:8px;background:rgba(255,253,248,.86);border-radius:12px;padding:3px 8px;font-size:10px;color:#4b6253}.yalian-feature-product>div:last-child{padding:28px 36px}.yalian-product-type{font-size:var(--ya-fs-xs);color:#728274}.yalian-feature-product h4{font-size:var(--care-fs-h2);margin:9px 0 10px}.yalian-feature-product p{margin:0;color:#45564b;font-size:var(--ya-fs-small)}
.yalian-product-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.yalian-product{background:var(--ya-card);border-radius:16px;overflow:hidden;box-shadow:0 5px 18px rgba(40,56,39,.05)}.yalian-product img{display:block;width:100%;aspect-ratio:1/1;object-fit:cover}.yalian-product>div{padding:17px 18px 22px}.yalian-product span{font-size:var(--ya-fs-xs);color:#718676}.yalian-product h4{font-size:var(--care-fs-h3);line-height:1.45;margin:7px 0}.yalian-product p{font-size:var(--ya-fs-small);color:#53665a;margin:0}
.yalian-ending{text-align:center;background:#e8eddf;border-radius:18px;padding:38px 20px;margin:82px 0 36px}.yalian-ending h2{font-family:"Noto Serif SC","Songti SC",serif;font-size:var(--care-fs-h2);margin:0}.yalian-ending p{color:#506357}.yalian-footer{border-top:1px solid var(--ya-line);padding:22px 0;color:#718074;font-size:var(--ya-fs-xs);display:flex;justify-content:space-between;gap:30px}.yalian-footer p{margin:0;max-width:700px}.yalian-footer a{white-space:nowrap;text-decoration:underline}
@media(max-width:760px){.yalian-page main{padding:0 16px 50px}.yalian-topbar{min-height:58px}.yalian-hero{grid-template-columns:1fr;margin-top:16px}.yalian-hero-copy{padding:38px 26px}.yalian-hero p{font-size:var(--ya-fs-body)}.yalian-hero img{height:240px}.yalian-section{padding-top:62px}.yalian-origin-grid{grid-template-columns:1fr;gap:12px}.yalian-timeline{grid-template-columns:1fr;gap:13px}.yalian-timeline article{padding-top:13px}.yalian-product-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.yalian-product>div{padding:13px}.yalian-product h4{font-size:var(--care-fs-h3)}.yalian-feature-product{grid-template-columns:1fr}.yalian-feature-art{min-height:160px}.yalian-feature-product>div:last-child{padding:22px}.yalian-footer{display:block}.yalian-footer a{display:inline-block;margin-top:12px}}
@media(max-width:420px){.yalian-topbar-title{display:none}.yalian-chat{margin-left:auto}.yalian-product-grid{grid-template-columns:1fr 1fr}.yalian-product h4{font-size:15px}.yalian-product p{font-size:var(--ya-fs-xs)}.yalian-local-nav a{font-size:var(--ya-fs-xs);padding:10px}}
@media(max-width:340px){.yalian-product-grid{grid-template-columns:1fr}.yalian-product img{aspect-ratio:4/3}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}