.bym-page { --bym-green: #176b49; color: #253d31; background: #fff; }
.bym-page a { color: var(--bym-green); }
.bym-page a:focus-visible { outline: 2px solid var(--bym-green); outline-offset: 5px; }
.bym-crumbs { display: flex; flex-wrap: wrap; gap: 10px; padding: 26px 0; font-size: 13px; color: #6a796f; }
.bym-label { font-size: 12px; letter-spacing: .15em; color: var(--bym-green); margin: 0 0 24px; }
.bym-hero { background: #f3f6ef; }
.bym-hero-grid { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 64px; padding: 38px 0 65px; }
.bym-copy h1, .bym-heading h1 { font-family: "Songti SC", "STSong", serif; font-weight: 400; font-size: clamp(36px,4.2vw,62px); line-height: 1.35; margin: 0 0 26px; }
.bym-copy > p:not(.bym-label) { max-width: 490px; font-size: 17px; line-height: 1.9; color: #53675a; }
.bym-photo { margin: 0; background: #fff; }
.bym-photo img { display: block; width: 100%; height: auto; }
.bym-photo figcaption { padding: 0 24px 22px; color: #67796b; font-size: 12px; text-align: center; }
.bym-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.bym-page .bym-button { display: inline-flex; align-items: center; gap: 22px; padding: 13px 22px; background: var(--bym-green); border: 1px solid var(--bym-green); color: #fff; font-size: 14px; text-decoration: none; }
.bym-page .bym-button-light { background: transparent; color: var(--bym-green); }
.bym-subnav { border-bottom: 1px solid #dde6dd; background: #fff; }
.bym-subnav .site-shell { display: flex; flex-wrap: wrap; gap: 28px; padding: 21px 0; }
.bym-subnav a { font-size: 14px; text-decoration: none; }
.bym-subnav a[aria-current="page"] { font-weight: 600; text-decoration: underline; text-underline-offset: 7px; }
.bym-section { padding: 76px 0; }
.bym-section + .bym-section { border-top: 1px solid #e6ece3; }
.bym-heading { max-width: 780px; }
.bym-heading h2, .bym-section h2 { font-family: "Songti SC", "STSong", serif; font-size: clamp(27px,3vw,38px); font-weight: 400; line-height: 1.45; margin: 0 0 24px; }
.bym-heading > p:not(.bym-label) { line-height: 1.9; color: #5d7163; }
.bym-split { display: grid; grid-template-columns: .75fr 1.25fr; gap: 72px; }
.bym-body { font-size: 16px; line-height: 1.9; }
.bym-body p { margin: 0 0 18px; }
.bym-note { font-size: 13px; line-height: 1.8; color: #68796c; margin-top: 24px; }
.bym-cards { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; margin-top: 36px; }
.bym-card { border-top: 2px solid var(--bym-green); padding: 26px; background: #f5f7f2; }
.bym-card small { color: #778b7b; letter-spacing: .1em; }
.bym-card h3 { font-size: 22px; margin: 22px 0 18px; }
.bym-card p { font-size: 15px; line-height: 1.9; color: #5b7161; }
.bym-facts { margin: 28px 0 0; }
.bym-facts > div { display: grid; grid-template-columns: 105px 1fr; gap: 18px; padding: 13px 0; border-bottom: 1px solid #dbe3d7; font-size: 14px; }
.bym-facts dt { font-weight: 400; color: #6b7c6d; }
.bym-facts dd { margin: 0; }
.bym-ingredients { padding: 27px 30px; background: #f5f7f2; font-size: 15px; line-height: 2; overflow-wrap: anywhere; }
.bym-steps { margin: 0; padding: 0; list-style: none; counter-reset: bym-step; }
.bym-steps li { counter-increment: bym-step; position: relative; padding: 0 0 26px 54px; line-height: 1.8; }
.bym-steps li::before { content: "0" counter(bym-step); position: absolute; left: 0; top: 0; font-size: 15px; color: var(--bym-green); }
.bym-steps strong { display: block; font-size: 19px; margin-bottom: 8px; }
.bym-channel { background: #edf3e8; }
.bym-faq-head { padding: 20px 0 48px; }
.bym-faq-index { display: flex; flex-wrap: wrap; gap: 12px; margin: 30px 0 0; }
.bym-faq-index a { padding: 10px 19px; border: 1px solid #ceddce; font-size: 14px; text-decoration: none; }
.bym-faq-group { padding: 40px 0; scroll-margin-top: 130px; }
.bym-faq-group + .bym-faq-group { border-top: 1px solid #dce5d8; }
.bym-faq-item { padding: 27px 0; border-top: 1px solid #e5ebe1; scroll-margin-top: 130px; }
.bym-faq-item h3 { margin: 0 0 18px; display: flex; gap: 20px; font-size: 19px; font-weight: 500; line-height: 1.6; }
.bym-faq-item h3 span { color: var(--bym-green); font-size: 13px; padding-top: 5px; }
.bym-faq-item > p { margin: 0 0 14px 42px; font-size: 15px; line-height: 1.9; overflow-wrap: anywhere; }
.bym-faq-item .bym-evidence { font-size: 12px; color: #738575; }
.bym-evidence a { margin-right: 16px; }
.bym-sources { padding: 38px 0 60px; border-top: 1px solid #dce5d8; }
.bym-sources h2 { font-size: 24px; }
.bym-source { padding: 13px 0; font-size: 13px; line-height: 1.85; scroll-margin-top: 130px; }
.bym-source p { margin: 5px 0 0; color: #68796c; }
.bym-source-date { font-size: 12px; color: #7a897c; }
.bym-center-entry { margin: 50px auto; display: grid; grid-template-columns: 180px 1fr; align-items: center; gap: 36px; padding: 26px 40px; background: #f1f5ed; color: #253d31; }
.bym-center-entry img { width: 180px; height: 180px; object-fit: contain; background: #fff; }
.bym-center-entry h2 { font-size: 25px; margin: 0 0 15px; }
.bym-center-entry p { color: #5d7163; }
.bym-center-entry a { color: #176b49; margin-right: 24px; display: inline-block; line-height: 2; }
.research-intro { max-width: 860px; padding: 40px 0 70px; }
.research-intro h1 { font: 400 clamp(34px,4vw,58px)/1.4 "Songti SC","STSong",serif; margin: 0 0 24px; }
.research-intro > p:not(.bym-label) { font-size: 17px; line-height: 1.9; color: #53675a; }
.research-hero { position: relative; overflow: hidden; }
.research-hero > .site-shell { position: relative; z-index: 1; }
.research-hero-media { position: absolute; inset: 0; }
.research-hero-media img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.research-hero-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg,#f3f6ef 5%,rgba(243,246,239,.97) 30%,rgba(243,246,239,.82) 43%,rgba(243,246,239,.12) 72%); }
.research-hero .research-intro { max-width: 610px; padding: 44px 0 72px; }
.research-hero .research-intro > p:not(.bym-label) { max-width: 470px; }
.research-series-intro { display: grid; grid-template-columns: 1.25fr .75fr; gap: 60px; align-items: center; }
.research-series-image { display: block; max-width: 310px; justify-self: center; }
.research-series-image img { display: block; width: 100%; height: auto; }
.bym-card h3 a { color: #253d31; }
.bym-card > a, .research-card > a { display: inline-block; margin-top: 14px; padding-bottom: 5px; border-bottom: 1px solid #b8cbbb; }
.bym-card, .research-card { transition: background-color .2s ease, border-color .2s ease; }
.bym-card:hover, .research-card:hover { background: #eaf2ee; }
.research-list { display: grid; grid-template-columns: repeat(2,1fr); gap: 28px; }
.research-card { background: #f3f6ef; padding: 32px; border-top: 2px solid #176b49; }
.research-card h3 { font: 400 27px/1.5 "Songti SC","STSong",serif; margin: 0 0 18px; }
.research-card h3 a { color: #253d31; text-decoration: none; }
.research-card > p:not(.bym-label) { color: #53675a; font-size: 15px; line-height: 1.9; }
.research-article { max-width: 860px; }
.research-article .research-intro { padding-bottom: 35px; }
.research-section { padding: 30px 0; border-top: 1px solid #dce5d8; }
.research-section h2 { font: 400 29px/1.5 "Songti SC","STSong",serif; margin: 0 0 22px; }
.research-section p { font-size: 17px; line-height: 2; margin: 0 0 20px; }
.bym-page section[id] { scroll-margin-top: 130px; }
@media (max-width: 900px) {
  .research-hero .research-intro { max-width: 520px; }
  .research-hero .research-intro > p:not(.bym-label) { max-width: 380px; }
  .research-series-intro { gap: 30px; }
  .bym-hero-grid { gap: 30px; }
  .bym-split { grid-template-columns: 1fr; gap: 20px; }
  .bym-cards { gap: 15px; }
  .bym-card { padding: 20px; }
}
@media (max-width: 640px) {
  .research-hero { padding-bottom: 235px; }
  .research-hero-media { top: auto; height: 235px; }
  .research-hero-media img { object-position: 74% center; }
  .research-hero-media::after { background: linear-gradient(180deg,#f3f6ef,rgba(243,246,239,0) 26%); }
  .research-hero .research-intro { padding: 26px 0 38px; }
  .research-series-intro { grid-template-columns: 1fr; gap: 16px; }
  .research-series-image { width: 225px; }
  .research-intro { padding: 25px 0 40px; }
  .research-list { grid-template-columns: 1fr; }
  .research-card { padding: 24px; }
  .research-card h3 { font-size: 24px; }
  .research-section p { font-size: 15px; }
  .bym-crumbs { padding: 20px 0; gap: 7px; font-size: 11px; }
  .bym-hero-grid { grid-template-columns: 1fr; padding: 20px 0 36px; gap: 32px; }
  .bym-copy h1 { font-size: 38px; }
  .bym-copy > p:not(.bym-label) { font-size: 15px; }
  .bym-label { margin-bottom: 20px; }
  .bym-subnav .site-shell { gap: 23px; }
  .bym-section { padding: 45px 0; }
  .bym-cards { grid-template-columns: 1fr; }
  .bym-card h3 { margin-top: 16px; }
  .bym-ingredients { padding: 20px; font-size: 14px; }
  .bym-faq-head { padding-bottom: 30px; }
  .bym-faq-item h3 { gap: 12px; font-size: 17px; }
  .bym-faq-item > p { margin-left: 0; font-size: 14px; }
  .bym-faq-index a { padding: 9px 15px; }
  .bym-center-entry { grid-template-columns: 1fr; gap: 20px; padding: 24px; }
  .bym-center-entry img { width: 160px; height: 160px; }
}

.bym-detail .bym-hero { background: radial-gradient(ellipse at 85% 30%, #e4eee2, transparent 55%), #f3f6ef; }
.bym-detail .bym-hero-grid { grid-template-columns: 1.05fr 1fr; gap: 70px; padding: 28px 0 72px; }
.bym-detail .bym-copy h1 { font-size: clamp(36px,4vw,58px); line-height: 1.28; letter-spacing: -.025em; margin-bottom: 23px; }
.bym-detail .bym-copy > .bym-hero-alias { display: flex; align-items: center; flex-wrap: wrap; gap: 20px; color: #176b49; font-size: 18px; margin-bottom: 28px; }
.bym-detail .bym-hero-alias span { padding-left: 20px; border-left: 1px solid #becfbd; font-size: 14px; letter-spacing: .04em; }
.bym-detail .bym-copy > .bym-hero-intro { font-size: 15px; color: #748373; margin-top: 20px; }
.bym-detail .bym-photo { position: relative; border: 1px solid #dbe5d7; box-shadow: 0 18px 65px rgba(50,78,50,.06); padding: 26px 28px 0; }
.bym-detail .bym-photo-label { display: block; color: #647862; font-size: 10px; letter-spacing: .17em; }
.bym-detail .bym-photo img { margin: 0 auto; max-width: 460px; }
.bym-detail .bym-photo figcaption { padding: 4px 0 20px; line-height: 1.6; font-size: 11px; }
.bym-detail-index { display: grid; grid-template-columns: repeat(4,1fr); gap: 28px; padding-top: 30px; }
.bym-detail-index a { display: flex; justify-content: space-between; gap: 12px; padding: 16px 0; border-bottom: 1px solid #d7e2d3; font-size: 14px; text-decoration: none; }
.bym-detail-index a:hover { border-color: #176b49; }
.bym-detail-index span { color: #84967e; font-size: 11px; }
.bym-detail-heading { display: grid; grid-template-columns: 1fr 1fr; align-items: end; gap: 80px; margin-bottom: 38px; }
.bym-detail-heading h2 { margin-bottom: 0; }
.bym-detail-heading > p { margin: 0 0 3px; max-width: 490px; font-size: 16px; line-height: 1.9; color: #62745f; }
.bym-botanical-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.bym-botanical { min-width: 0; background: #f5f7f2; }
.bym-botanical-image { position: relative; overflow: hidden; aspect-ratio: 1.4; }
.bym-botanical-image img { display: block; width: 300%; max-width: none; height: auto; }
.bym-botanical:nth-child(2) .bym-botanical-image img { transform: translateX(-33.333333%); }
.bym-botanical:nth-child(3) .bym-botanical-image img { transform: translateX(-66.666667%); }
.bym-botanical-copy { padding: 27px 28px 30px; border-top: 1px solid #e2e8db; }
.bym-botanical-copy > span { font-size: 10px; color: #637d5c; letter-spacing: .1em; }
.bym-botanical-copy h3 { font-size: 21px; font-weight: 500; line-height: 1.45; margin: 18px 0 15px; }
.bym-botanical-copy p { color: #52664e; font-size: 14px; line-height: 1.9; margin: 0 0 21px; }
.bym-botanical-copy small { display: block; border-top: 1px solid #dce4d5; padding-top: 15px; color: #7a8a74; font-size: 11px; line-height: 1.8; overflow-wrap: anywhere; }
.bym-detail .bym-ritual { background: #f3f6ef; }
.bym-detail .bym-steps { display: grid; grid-template-columns: repeat(3,1fr); gap: 32px; margin: 52px 0 28px; }
.bym-detail .bym-steps li { padding: 25px 0 0; border-top: 1px solid #bdcfb4; }
.bym-detail .bym-steps li::before { position: static; display: block; margin-bottom: 30px; font: 400 32px/1.1 "Songti SC", "STSong", serif; color: #81a175; }
.bym-detail .bym-steps strong { font-size: 20px; font-weight: 500; }
.bym-detail .bym-steps p { font-size: 14px; line-height: 1.9; color: #61775a; }
.bym-ritual-note { display: grid; grid-template-columns: 1fr auto; gap: 30px; align-items: center; border-top: 1px solid #d9e3d2; padding-top: 22px; }
.bym-ritual-note .bym-note { margin: 0; }
.bym-ritual-note a { font-size: 13px; }
.bym-info-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 70px; margin-top: 40px; }
.bym-info-grid > div { min-width: 0; }
.bym-info-grid h3 { font-size: 20px; font-weight: 500; margin: 0 0 18px; }
.bym-detail .bym-facts { margin-top: 0; }
.bym-detail .bym-facts > div { grid-template-columns: 92px 1fr; font-size: 13px; line-height: 1.8; }
.bym-detail .bym-facts dd { overflow-wrap: anywhere; }
.bym-formula-caption { color: #68796c; font-size: 13px; line-height: 1.8; }
.bym-detail .bym-ingredients { font-size: 13px; line-height: 2.1; margin-bottom: 16px; }
.bym-detail .bym-ingredients-original { font-size: 13px; line-height: 1.8; }
.bym-detail .bym-ingredients-original summary { cursor: pointer; color: #176b49; padding: 8px 0; }
.bym-detail .bym-channel { background: #e9f1e4; }
.bym-back-to-products { font-size: 13px; }
.bym-product-entry .center-product-image { background: #edf3e8; }
.bym-product-entry .center-product-image img { mix-blend-mode: multiply; }
@media (max-width: 900px) {
  .bym-detail .bym-hero-grid { gap: 32px; }
  .bym-detail-heading { gap: 35px; }
  .bym-info-grid { gap: 35px; grid-template-columns: 1fr 1.2fr; }
  .bym-botanical-grid { gap: 16px; }
  .bym-botanical-copy { padding: 23px 19px; }
  .bym-botanical-copy h3 { font-size: 19px; }
  .bym-detail .bym-steps { gap: 24px; }
}
@media (max-width: 640px) {
  .bym-detail .bym-hero-grid { grid-template-columns: 1fr; gap: 32px; padding: 20px 0 36px; }
  .bym-detail .bym-copy h1 { font-size: 37px; }
  .bym-detail .bym-copy > .bym-hero-alias { margin-bottom: 21px; font-size: 16px; }
  .bym-detail .bym-copy > .bym-hero-intro { font-size: 14px; }
  .bym-detail .bym-photo { padding: 22px 22px 0; }
  .bym-detail .bym-actions { gap: 10px; }
  .bym-detail .bym-button { padding: 12px 17px; font-size: 13px; gap: 14px; }
  .bym-detail-index { grid-template-columns: repeat(2,1fr); gap: 5px 24px; padding-top: 20px; }
  .bym-detail-index a { font-size: 13px; }
  .bym-detail-heading { grid-template-columns: 1fr; gap: 22px; margin-bottom: 28px; }
  .bym-detail-heading > p { font-size: 14px; }
  .bym-botanical-grid { grid-template-columns: 1fr; gap: 24px; }
  .bym-botanical-image { aspect-ratio: 1.55; }
  .bym-botanical-copy { padding: 23px 24px 27px; }
  .bym-botanical-copy h3 { font-size: 22px; }
  .bym-detail .bym-steps { grid-template-columns: 1fr; gap: 20px; margin-top: 30px; }
  .bym-detail .bym-steps li { padding-left: 55px; }
  .bym-detail .bym-steps li::before { position: absolute; top: 27px; left: 0; font-size: 27px; }
  .bym-detail .bym-steps p { margin-bottom: 0; }
  .bym-ritual-note { grid-template-columns: 1fr; gap: 18px; }
  .bym-info-grid { grid-template-columns: 1fr; gap: 36px; margin-top: 30px; }
  .bym-detail .bym-facts > div { grid-template-columns: 85px 1fr; gap: 14px; }
}

.bym-image-header { position: static; height: auto; z-index: auto; border: 0; background: #f3f5f1; padding-top: 24px; padding-bottom: 30px; }
.bym-image-header .bym-label { margin: 26px 0 12px; }
.bym-image-header h1 { font-size: clamp(28px,3vw,44px); font-weight: 500; line-height: 1.35; margin: 0 0 12px; }
.bym-image-alias { margin: 0; color: #62745f; font-size: 16px; }
.bym-image-index { display: flex; flex-wrap: wrap; gap: 12px 34px; padding-top: 20px; padding-bottom: 20px; }
.bym-image-index a { font-size: 14px; text-decoration: none; }
.bym-longform { padding: 20px 20px 36px; background: #eef2eb; scroll-margin-top: 90px; }
.bym-detail-art { width: 100%; max-width: 750px; margin: 0 auto; }
.bym-detail-art img { display: block; width: 100%; height: auto; }
.bym-detail-art figcaption { padding: 16px 4px 0; color: #65745f; font-size: 12px; line-height: 1.9; }
.bym-usage-text { max-width: 850px; line-height: 1.9; }
.bym-image-detail #ingredients, .bym-image-detail #usage, .bym-image-detail #channels { scroll-margin-top: 90px; }
@media (max-width: 640px) {
  .bym-image-header { padding-top: 18px; padding-bottom: 24px; }
  .bym-image-header h1 { font-size: 28px; }
  .bym-image-alias { font-size: 14px; }
  .bym-image-index { gap: 12px 22px; padding-top: 16px; padding-bottom: 16px; }
  .bym-image-index a { font-size: 13px; }
  .bym-longform { padding: 0 0 24px; }
  .bym-detail-art figcaption { padding: 16px 20px 0; }
}