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.eyebrow{margin-bottom:8px}.action-number{font-size:84px;top:-3px;right:7px}.action-copy>p:not(.eyebrow){font-size:14px;margin-top:13px}.action-caption{margin-top:18px;padding-top:12px;font-size:10px}.detail-grid{grid-template-columns:1fr;gap:35px;margin-top:26px}.detail-grid img{height:270px}.detail-grid h3{font-size:22px}.detail-grid article>p:not(.eyebrow){font-size:14px}.breathing-steps{grid-template-columns:1fr;gap:17px;padding:0 0 28px}.breathing-steps article{padding-top:20px}.breathing-steps h3{font-size:21px;margin:10px 0}.breathing-steps>i{justify-self:center;transform:rotate(90deg);font-size:20px}.notice{font-size:12px;padding:15px 17px}.practice-layout{grid-template-columns:1fr;margin-top:25px;gap:28px}.practice-list p{font-size:13px}.practice-time{padding:23px}.practice-time h3{font-size:21px}.people-grid{grid-template-columns:1fr 1fr;gap:25px 20px;margin-top:32px;padding-top:28px}.people-grid h3{font-size:16px}.timeline{grid-template-columns:1fr;margin-top:30px;gap:0}.timeline:before{width:1px;height:auto;top:0;bottom:30px;left:20px;right:auto}.timeline article{padding-left:65px;padding-bottom:30px}.timeline article>span{position:absolute;left:0;top:0;width:41px;height:41px;font-size:17px}.timeline h3{font-size:18px;margin:5px 0 12px}.timeline p{font-size:13px}.timeline article:last-child{padding-bottom:0}.scene-image{height:270px;margin-top:25px}.scene-image figcaption{font-size:10px;bottom:15px;left:15px;padding:8px 11px;letter-spacing:.06em}.scene-points{grid-template-columns:1fr;gap:23px;padding-top:25px}.scene-points article{position:relative;padding-left:40px}.scene-points article>i{position:absolute;left:0;top:0;font-size:23px}.scene-points h3{font-size:18px;margin:0 0 9px}.scene-points p{font-size:13px}.download-section{padding-block:48px}.download-layout{grid-template-columns:1fr;gap:40px}.video-book{width:270px;padding:25px}.video-book>strong{font-size:43px}.download-copy h2{font-size:13px}.download-copy h3{font-size:27px;margin-bottom:18px}.download-copy>p:not(.eyebrow){font-size:14px}.download-copy .button{width:100%;padding:14px}.download-hint{text-align:center}.faq-section{grid-template-columns:1fr;gap:26px}.faq-section>div:first-child>p:last-child{display:none}.faq-list summary{font-size:14px;min-height:68px;gap:12px}.faq-list details>p{font-size:13px}.footer-top{display:block;margin-bottom:24px}footer nav{margin-top:23px;justify-content:space-between;gap:10px;font-size:11px}footer{padding-block:32px 22px}.footer-bottom{font-size:9px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}

/* 中式书册排版：正文、导航、按钮与辅助文字统一宋体，标题采用楷体。 */
h1,h2,h3,.brand>span,.vertical-title,.big-eight,.action-number,.seal,.video-book>strong{font-family:var(--heading-font);font-weight:400}
.hero h1{font-weight:400;letter-spacing:.07em;line-height:1.45}
h2{font-weight:700;letter-spacing:.06em}
h3{font-weight:400;letter-spacing:.035em}
body{line-height:1.95}
.hero-description,.section-intro,.about-layout p,.action-copy>p,.practice-list p,.timeline p{letter-spacing:.025em}
.button,.menu-toggle,.nav-wrap nav,footer nav,.eyebrow,.tags,.hero-meta,.source-note,.hero-portrait figcaption,.hero-art-note,.section-side,.action-index,.action-caption,.download-hint,.footer-bottom{font-family:var(--font)}
.brand small{font-family:var(--font)}
@media(max-width:600px){.hero h1{font-size:33px;line-height:1.45;letter-spacing:.045em}body{padding-bottom:env(safe-area-inset-bottom)}}

/* 面向中老年读者：放大阅读字号与操作区域。 */
:root{--muted:#566052}
body{font-size:20px;line-height:1.9}
.nav-wrap nav{font-size:18px;font-weight:700;gap:24px}
.button{font-size:18px;min-height:54px;padding:14px 24px;font-weight:700}
.nav-download{font-size:17px;min-height:48px;padding:11px 18px}
.brand small{font-size:14px;letter-spacing:.04em}
.hero-description,.hero-secondary,.section-intro,.about-layout p:not(.eyebrow),.action-copy>p:not(.eyebrow),.start-end p,.detail-grid article>p:not(.eyebrow),.detail-grid ol,.breathing-steps p,.practice-list p,.practice-time p,.people-grid p,.timeline p,.scene-points p,.download-copy>p:not(.eyebrow),.faq-list details>p,.video-note>p:not(.eyebrow){font-size:20px;line-height:1.9;color:var(--muted)}
.download-copy>p:not(.eyebrow){color:#d6dfd0}
.hero-meta,.eyebrow,.section-side,.tags span,.action-caption,.source-note,.hero-portrait figcaption,.hero-portrait figcaption span,.hero-art-note,.start-end>span,.detail-grid .detail-tip,.breathing-steps article>span,.practice-list article>span,.scene-image figcaption,.download-hint,.video-book>p,.video-book>span:not(.seal),.video-book>small,.plain-list,.chapter-ribbon,.big-eight span,.footer-bottom{font-size:16px}
.action-copy .action-health-note,.detail-tip{font-size:17px!important}
.notice,.inline-cta,.text-link,.faq-section>div:first-child>p:last-child,footer .container>p{font-size:18px}
.faq-list summary{font-size:20px;min-height:76px}
footer nav{font-size:18px}
.action-index a{font-size:17px}
.video-start>span:last-child{font-size:20px}
.video-start small,.replay{font-size:16px}
h2{font-size:38px}
.detail-grid h3,.practice-list h3,.people-grid h3,.timeline h3,.scene-points h3,.start-end h3{font-size:25px}
.video-note h3,.practice-time h3,.breathing-steps h3{font-size:27px}
.action-copy h3{font-size:32px}
.hero-meta{gap:10px 18px}
.hero-meta span+span:before{content:none}
.inline-cta{flex-wrap:wrap}
.hero-portrait figcaption{flex-wrap:wrap}
.hero-art-note{letter-spacing:.25em}
.video-note{padding-left:22px}
.video-note .seal{position:static;display:inline-block;margin-bottom:20px}
.video-note .eyebrow{margin-bottom:12px}
.tags span{padding:5px 12px}
.people-grid{gap:28px}
.video-book{width:360px}
.video-book .seal{bottom:25px;right:20px}
.video-book>span:not(.seal),.video-book>small{padding-right:45px}
@media(max-width:1100px){
  .nav-wrap nav{display:none;position:absolute;left:0;right:0;top:88px;background:var(--bg);padding:18px 24px 24px;border-bottom:1px solid var(--line);flex-direction:column;gap:0}
  .nav-wrap nav.open{display:flex}
  .nav-wrap nav a{font-size:20px;padding:12px 0}
  .nav-download{margin-left:auto}
  .menu-toggle{display:block;font-size:28px}
  .video-layout{grid-template-columns:1fr}
  .video-note{display:none}
  .start-end{grid-template-columns:90px 160px 1fr}
}
@media(max-width:850px){
  .nav-wrap{height:84px}
  .nav-wrap nav{top:84px}
  h2{font-size:34px}
  .practice-layout,.download-layout{grid-template-columns:1fr}
  .detail-grid{grid-template-columns:1fr;gap:36px}
  .detail-grid img{height:280px}
  .timeline{grid-template-columns:1fr;gap:0}
  .timeline:before{width:1px;height:auto;top:0;bottom:30px;left:22px;right:auto}
  .timeline article{padding-left:70px;padding-bottom:30px}
  .timeline article>span{position:absolute;left:0;top:0}
  .timeline h3{margin:5px 0 12px}
  .timeline article:last-child{padding-bottom:0}
  .faq-section{grid-template-columns:1fr}
  .footer-top{flex-wrap:wrap}
}
@media(max-width:600px){
  html{scroll-padding-top:96px}
  body{font-size:18px}
  .nav-wrap{height:80px;gap:8px}
  .nav-wrap nav{top:80px}
  .brand small{font-size:12px}
  .nav-download{font-size:16px;min-height:46px;padding:10px 12px;flex-shrink:0;white-space:nowrap}
  .site-header .brand small{display:none}
  .nav-download i{font-size:18px}
  .menu-toggle{font-size:26px;padding:5px}
  .hero h1{font-size:36px}
  h2{font-size:29px}
  .hero-description,.hero-secondary,.section-intro,.about-layout p:not(.eyebrow),.action-copy>p:not(.eyebrow),.start-end p,.detail-grid article>p:not(.eyebrow),.detail-grid ol,.breathing-steps p,.practice-list p,.practice-time p,.people-grid p,.timeline p,.scene-points p,.download-copy>p:not(.eyebrow),.faq-list details>p{font-size:18px}
  .hero-buttons{flex-direction:column;align-items:stretch;gap:12px}
  .hero-buttons .button{width:100%;font-size:18px;min-height:54px;padding:14px 18px;flex:auto}
  .hero-buttons .button i{font-size:21px}
  .hero-meta,.eyebrow,.tags span,.action-caption,.source-note,.hero-art-note,.start-end>span,.breathing-steps article>span,.practice-list article>span,.scene-image figcaption,.download-hint,.chapter-ribbon,.footer-bottom{font-size:15px}
  .hero-meta{gap:10px 15px}
  .chapter-ribbon{flex-wrap:wrap;gap:10px}
  .hero-portrait figcaption,.hero-portrait figcaption span{font-size:14px}
  .hero-portrait figcaption{display:block}
  .hero-portrait figcaption span{margin-top:3px}
  .hero-art>.seal{bottom:90px}
  .action-index{grid-template-columns:repeat(2,1fr)}
  .action-index a{font-size:18px;min-height:48px;padding:10px}
  .start-end{display:block}
  .start-end h3,.detail-grid h3,.practice-list h3,.people-grid h3,.timeline h3,.scene-points h3{font-size:24px}
  .breathing-steps h3,.practice-time h3{font-size:25px}
  .action-copy h3{font-size:28px}
  .action-copy .action-health-note,.detail-tip{font-size:16px!important}
  .notice,.inline-cta,.text-link,footer .container>p{font-size:17px}
  .video-start>span:last-child{font-size:17px}
  .video-start small{font-size:14px}
  .faq-list summary{font-size:19px;min-height:76px}
  .people-grid{grid-template-columns:1fr;gap:24px}
  .download-copy h2{font-size:19px}
  .download-copy h3{font-size:30px}
  .video-book{width:300px}
  footer nav{font-size:17px;flex-wrap:wrap;gap:12px 22px;justify-content:flex-start}
  .footer-bottom{flex-wrap:wrap;gap:8px}
}

/* 全站二级标题统一加粗。 */
h2,.download-copy h2{font-weight:700}