/* Shared styles for the landing page and the clinic pages. */
:root {
  --paper: #f5eee2; --panel: #fbf7ef; --navy: #1c2838; --muted: #63605a;
  --clay: #b9512b; --jade: #2d6b5e; --gold: #c2963a; --rule: #ddd2bf; --sea: #dfe9e6;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Songti SC", "Noto Serif SC", "SimSun", serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--paper); color: var(--navy);
  font: 16.5px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
h1, h2, h3, p { margin: 0; }
h1, h2 { font-family: var(--serif); font-weight: 500; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 22px; }
.ribbon { background: var(--navy); color: #d9d2c4; font-size: 12.5px; text-align: center; padding: 6px 12px; }

.nav { position: sticky; top: 0; z-index: 10; background: rgba(245, 238, 226, .94); backdrop-filter: blur(8px); border-bottom: 1px solid var(--rule); }
.nav .wrap { display: flex; align-items: center; gap: 22px; height: 68px; }
.brand { font-family: var(--serif); font-size: 21px; color: var(--navy); text-decoration: none; white-space: nowrap; }
.nav nav { margin-left: auto; display: flex; gap: 22px; }
.nav nav a { color: var(--navy); text-decoration: none; font-size: 14.5px; opacity: .75; }
.nav nav a:hover { opacity: 1; color: var(--clay); }
.lang { background: none; border: 0; border-bottom: 1px solid var(--navy); padding: 2px 0; font: inherit; font-size: 14px; color: var(--navy); cursor: pointer; }
.btn { display: inline-block; padding: 13px 26px; background: var(--clay); color: #fff8ef; text-decoration: none; font-weight: 600; font-size: 15px; border: 0; border-radius: 2px; cursor: pointer; font-family: inherit; letter-spacing: .02em; }
.btn:hover { background: #9c4223; }
.btn.small { padding: 9px 16px; font-size: 14px; }
.link { color: var(--navy); font-weight: 600; text-decoration: underline; text-underline-offset: 4px; }
.kicker { font-size: 13px; letter-spacing: .22em; text-transform: uppercase; color: var(--clay); font-weight: 600; }

.hero { padding: 68px 0 40px; text-align: center; }
h1 { font-size: clamp(38px, 6.2vw, 66px); line-height: 1.08; letter-spacing: -.015em; margin: 18px auto 0; max-width: 14em; }
h1 em { font-style: italic; color: var(--jade); }
.hero p.sub { margin: 22px auto 0; max-width: 37em; font-size: 18.5px; color: var(--muted); }
.hero .cta-row { margin-top: 30px; display: flex; gap: 22px; justify-content: center; align-items: center; flex-wrap: wrap; }
.map { margin: 48px auto 0; max-width: 860px; background: var(--sea); border: 1px solid var(--rule); border-radius: 4px; overflow: hidden; }
.map svg { display: block; width: 100%; height: auto; }
.map text { font-family: -apple-system, "Segoe UI", "PingFang SC", sans-serif; fill: var(--navy); }

section { padding: 76px 0; }
.rule { border-top: 1px solid var(--rule); }
.head { text-align: center; max-width: 38em; margin: 0 auto 44px; }
.head .kicker { display: block; margin-bottom: 12px; }
.head h2 { font-size: clamp(28px, 4vw, 42px); line-height: 1.15; }
.head p { margin-top: 12px; color: var(--muted); }
.fine { text-align: center; font-size: 13.5px; color: var(--muted); margin-top: 18px; }

.cities { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--rule); background: var(--panel); }
.cities > div { padding: 30px 28px; }
.cities > div + div { border-left: 1px solid var(--rule); }
.num { font-family: var(--serif); font-size: 15px; color: var(--gold); letter-spacing: .1em; }
.cities h3 { font-family: var(--serif); font-weight: 500; font-size: 26px; margin: 6px 0 2px; }
.role { font-size: 13px; letter-spacing: .12em; text-transform: uppercase; color: var(--clay); font-weight: 600; }
.cities p { color: var(--muted); font-size: 15.5px; margin-top: 10px; }

.trips { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: start; }
.trip { background: var(--panel); border: 1px solid var(--rule); padding: 30px 30px 26px; }
.trip .kicker { display: block; }
.trip .tt { font-family: var(--serif); font-weight: 500; font-size: 27px; line-height: 1.2; margin: 8px 0 18px; }
.trip .after { margin-top: 16px; font-size: 14.5px; color: var(--muted); }
.days { margin: 0; list-style: none; padding: 0; }
.days li { display: grid; grid-template-columns: 92px 1fr; gap: 18px; padding: 16px 0; border-top: 1px solid var(--rule); }
.days li:last-child { border-bottom: 1px solid var(--rule); }
.days .d { font-family: var(--serif); font-size: 19px; color: var(--jade); }
.days h3 { font-size: 17px; }
.days p { color: var(--muted); font-size: 15.5px; margin-top: 4px; }

.plist { border-top: 1px solid var(--navy); }
.prow { display: grid; grid-template-columns: 1.25fr .8fr 1.35fr; gap: 30px; padding: 26px 4px; border-bottom: 1px solid var(--rule); align-items: start; }
.prow h3 { font-family: var(--serif); font-weight: 500; font-size: 24px; line-height: 1.2; }
.prow .desc { color: var(--muted); font-size: 15.5px; margin-top: 8px; }
.prow .time { font-size: 13.5px; color: var(--jade); margin-top: 10px; font-weight: 600; }
.prow .tag { display: inline-block; font-size: 11.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--clay); font-weight: 700; margin-bottom: 6px; }
.price .from { font-family: var(--serif); font-size: 30px; color: var(--jade); line-height: 1.1; }
.price .unit { font-size: 13px; color: var(--muted); margin-top: 2px; }
.price .us { font-size: 13.5px; color: var(--muted); margin-top: 12px; padding-top: 10px; border-top: 1px solid var(--rule); }
.price .us b { color: var(--navy); font-weight: 600; }
.incl-list { margin: 0; padding: 0; list-style: none; font-size: 15px; }
.incl-list li { padding: 0 0 10px 0; }
.incl-list .lbl { display: block; font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); font-weight: 700; }

.rules { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; max-width: 940px; margin: 0 auto; }
.rules > div { background: var(--panel); border: 1px solid var(--rule); padding: 26px 28px; }
.rules h3 { font-family: var(--serif); font-weight: 500; font-size: 22px; line-height: 1.25; margin: 6px 0 8px; }
.rules p { color: var(--muted); font-size: 15.5px; }

.offer-strip { display: block; text-decoration: none; font-size: 13.5px; padding: 8px 14px; background: var(--clay); color: #fff8ef; font-weight: 600; }
.offer-strip:hover { background: #9c4223; }
.offer-sec { padding: 64px 0 0; }
.offer { max-width: 940px; margin: 0 auto; background: var(--panel); border: 1px solid var(--rule); border-top: 4px solid var(--clay); padding: 34px 38px 28px; display: grid; grid-template-columns: 1fr 1.6fr; gap: 10px 40px; }
.offer-head h2 { font-size: clamp(26px, 3.4vw, 36px); line-height: 1.15; margin-top: 10px; }
.offer-head .spots { display: inline-block; margin-top: 14px; font-size: 13.5px; font-weight: 700; color: var(--jade); background: var(--sea); padding: 4px 10px; border-radius: 2px; }
.offer-list { list-style: none; margin: 0; padding: 0; }
.offer-list li { padding: 12px 0 12px 30px; border-top: 1px solid var(--rule); position: relative; }
.offer-list li:first-child { border-top: 0; padding-top: 4px; }
.offer-list li::before { content: "✓"; position: absolute; left: 4px; color: var(--clay); font-weight: 700; }
.offer-list li:first-child::before { top: 4px; }
.offer-list b { display: block; font-family: var(--serif); font-weight: 500; font-size: 20px; line-height: 1.25; }
.offer-list span { display: block; color: var(--muted); font-size: 15px; margin-top: 2px; }
.offer-terms { grid-column: 1 / -1; font-size: 12.5px; color: var(--muted); margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--rule); }
[data-offer][hidden] { display: none; }
.dark { background: var(--navy); color: #efe8da; }
.dark .head h2 { color: #fbf7ef; }
.dark .head p { color: #b9b3a6; }
.dark ul { list-style: none; margin: 0 auto; padding: 0; max-width: 820px; display: grid; grid-template-columns: 1fr 1fr; gap: 0 48px; }
.dark li { padding: 15px 0 15px 30px; border-top: 1px solid rgba(255, 255, 255, .14); position: relative; }
.dark li::before { content: "✓"; position: absolute; left: 2px; color: var(--gold); font-weight: 700; }

.ckgrid { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--rule); background: var(--panel); }
.ckgrid > div { padding: 28px 26px; }
.ckgrid > div + div { border-left: 1px solid var(--rule); }
.ckgrid h3 { font-family: var(--serif); font-weight: 500; font-size: 22px; line-height: 1.25; margin: 6px 0 8px; }
.ckgrid p { color: var(--muted); font-size: 15.5px; }
.cklist { max-width: 760px; margin: 40px auto 0; }
.cklist h3 { font-family: var(--serif); font-weight: 500; font-size: 22px; margin-bottom: 8px; }
.cklist ul { margin: 0; padding: 0; list-style: none; }
.cklist li { padding: 12px 0 12px 28px; border-top: 1px solid var(--rule); position: relative; }
.cklist li:last-child { border-bottom: 1px solid var(--rule); }
.cklist li::before { content: "+"; position: absolute; left: 4px; color: var(--clay); font-weight: 700; }
.cknote { margin-top: 16px; font-size: 14.5px; color: var(--muted); }
.clinic-photo { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; display: block; border-radius: 2px; }
.facts { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--rule); background: var(--panel); margin-top: 44px; }
.facts > div { padding: 22px 22px; }
.facts > div + div { border-left: 1px solid var(--rule); }
.facts b { display: block; font-family: var(--serif); font-weight: 500; font-size: 30px; color: var(--jade); line-height: 1.1; }
.facts span { display: block; font-size: 14px; color: var(--muted); margin-top: 6px; }
.founder { margin-top: 40px; background: var(--panel); border: 1px solid var(--rule); padding: 30px 32px; }
.founder h3 { font-family: var(--serif); font-weight: 500; font-size: 28px; margin-top: 8px; }
.founder .role { color: var(--jade); font-weight: 600; font-size: 14.5px; margin-top: 4px; }
.founder ul { margin: 16px 0 0; padding: 0; list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 0 32px; }
.founder li { padding: 10px 0 10px 22px; border-top: 1px solid var(--rule); position: relative; font-size: 15.5px; }
.founder li::before { content: ""; position: absolute; left: 2px; top: 19px; width: 8px; height: 8px; border-radius: 50%; background: var(--clay); }
.founder.has-photo { display: grid; grid-template-columns: 210px 1fr; gap: 34px; align-items: start; }
.founder .portrait { width: 100%; aspect-ratio: 3 / 4; object-fit: cover; display: block; border: 1px solid var(--rule); box-shadow: 0 10px 28px -14px rgba(28, 40, 56, .35); }
.lead-dr { display: flex; align-items: center; gap: 14px; margin-top: 16px; padding: 12px 0; border-top: 1px solid var(--rule); }
.lead-dr img, .ccard .lead-dr img { width: 64px; height: 64px; min-height: 0; border-radius: 50%; object-fit: cover; object-position: 50% 30%; border: 2px solid var(--paper); box-shadow: 0 0 0 1px var(--rule); flex: none; }
.lead-dr b { display: block; font-family: var(--serif); font-weight: 500; font-size: 18px; line-height: 1.2; }
.lead-dr span { display: block; font-size: 13.5px; color: var(--muted); margin-top: 2px; }
.gallery { margin-top: 40px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.gallery figure { margin: 0; }
.gallery img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; display: block; border-radius: 2px; }
.gallery figcaption { font-size: 13px; color: var(--muted); margin-top: 6px; }
.locs { margin-top: 44px; }
.locs h3 { font-family: var(--serif); font-weight: 500; font-size: 24px; }
.locgrid { margin-top: 14px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.locgrid > div { background: var(--panel); border: 1px solid var(--rule); padding: 20px 22px; }
.locgrid b { display: block; font-family: var(--serif); font-weight: 500; font-size: 20px; }
.locgrid .zh { color: var(--muted); font-size: 13.5px; }
.locgrid p { font-size: 14.5px; margin-top: 8px; }
.locgrid .note { color: var(--jade); font-weight: 600; font-size: 13.5px; }
.src { margin-top: 28px; font-size: 13px; color: var(--muted); text-align: center; }
.clinic { display: grid; grid-template-columns: .9fr 1.1fr; gap: 44px; align-items: center; }
.photo { aspect-ratio: 4 / 3; background: var(--panel); border: 1px dashed var(--clay); display: grid; place-items: center; color: var(--clay); font-size: 14px; letter-spacing: .08em; text-transform: uppercase; }
.clinic h2 { font-size: clamp(26px, 3.4vw, 36px); line-height: 1.2; margin-top: 10px; }
.clinic .lead { color: var(--muted); margin-top: 12px; }
.clinic ul { margin: 20px 0 0; padding: 0; list-style: none; }
.clinic li { padding: 12px 0; border-top: 1px solid var(--rule); }
.clinic li:last-child { border-bottom: 1px solid var(--rule); }
.ph { margin-top: 14px; font-size: 13px; color: var(--clay); }

.care { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--rule); background: var(--panel); }
.care > div { padding: 26px 24px; }
.care > div + div { border-left: 1px solid var(--rule); }
.care h3 { font-family: var(--serif); font-weight: 500; font-size: 21px; line-height: 1.25; }
.care p { color: var(--muted); font-size: 15px; margin-top: 8px; }

.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 22px; }
.steps li { border-top: 1px solid var(--navy); padding-top: 14px; }
.steps .n { font-family: var(--serif); font-size: 30px; color: var(--gold); line-height: 1; display: block; margin-bottom: 10px; }
.steps h3 { font-size: 16.5px; line-height: 1.3; }
.steps p { color: var(--muted); font-size: 14.5px; margin-top: 6px; }

.faq { max-width: 760px; margin: 0 auto; }
details { border-top: 1px solid var(--rule); }
details:last-child { border-bottom: 1px solid var(--rule); }
summary { cursor: pointer; padding: 20px 30px 20px 0; font-family: var(--serif); font-size: 20px; list-style: none; position: relative; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 4px; top: 16px; font-size: 22px; color: var(--clay); font-family: sans-serif; }
details[open] summary::after { content: "–"; }
details p { padding: 0 0 22px; color: var(--muted); }

.contact { max-width: 620px; margin: 0 auto; background: var(--panel); border: 1px solid var(--rule); padding: 36px; }
label { display: block; font-size: 13px; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); margin: 18px 0 6px; font-weight: 600; }
label:first-child { margin-top: 0; }
input, select, textarea { width: 100%; padding: 12px; border: 1px solid var(--rule); border-radius: 2px; font: inherit; font-size: 15.5px; background: #fff; color: var(--navy); }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--jade); outline-offset: 1px; }
form .btn { width: 100%; margin-top: 22px; }
.formnote { font-size: 12.5px; color: var(--muted); text-align: center; margin-top: 10px; }
.ok { text-align: center; font-family: var(--serif); font-size: 20px; padding: 20px 0; color: var(--jade); }

footer { border-top: 1px solid var(--rule); padding: 34px 0 44px; font-size: 13px; color: var(--muted); }
footer p + p { margin-top: 8px; }

/* Partner clinics: selection criteria and clinic cards. */
.criteria { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border: 1px solid var(--rule); background: var(--panel); }
.criteria > div { padding: 22px 24px; border-top: 1px solid var(--rule); }
.criteria > div:nth-child(-n+3) { border-top: 0; }
.criteria > div:not(:nth-child(3n+1)) { border-left: 1px solid var(--rule); }
.criteria h3 { font-family: var(--serif); font-weight: 500; font-size: 19px; line-height: 1.3; }
.criteria p { color: var(--muted); font-size: 14.5px; margin-top: 6px; }
.clinics { margin-top: 40px; display: grid; gap: 20px; }
.ccard { display: grid; grid-template-columns: 1fr 1.25fr; background: var(--panel); border: 1px solid var(--rule); color: inherit; text-decoration: none; }
.ccard:hover { border-color: var(--clay); }
.ccard img { width: 100%; height: 100%; min-height: 260px; object-fit: cover; display: block; }
.ccard .body { padding: 28px 30px; }
.ccard .badge { display: inline-block; font-size: 11.5px; letter-spacing: .1em; text-transform: uppercase; color: #fff8ef; background: var(--jade); padding: 3px 9px; border-radius: 2px; font-weight: 700; }
.ccard h3 { font-family: var(--serif); font-weight: 500; font-size: 28px; line-height: 1.2; margin-top: 12px; }
.ccard .where { color: var(--jade); font-weight: 600; font-size: 14px; margin-top: 4px; }
.ccard p { color: var(--muted); font-size: 15.5px; margin-top: 12px; }
.ccard ul { margin: 14px 0 0; padding: 0; list-style: none; }
.ccard li { padding: 7px 0 7px 20px; border-top: 1px solid var(--rule); position: relative; font-size: 15px; }
.ccard li::before { content: ""; position: absolute; left: 2px; top: 16px; width: 7px; height: 7px; border-radius: 50%; background: var(--clay); }
.ccard .more { display: inline-block; margin-top: 16px; font-weight: 600; text-decoration: underline; text-underline-offset: 4px; }
.soon { margin-top: 14px; text-align: center; color: var(--muted); font-size: 14.5px; }

/* Clinic detail page. */
.back { display: inline-block; margin: 28px 0 0; color: var(--navy); font-size: 14.5px; }

@media (max-width: 900px) {
  .nav nav { display: none; }
  .lang { margin-left: auto; }
  .cities, .trips, .rules, .clinic, .ckgrid, .locgrid, .founder ul, .criteria, .ccard { grid-template-columns: 1fr; }
  .criteria > div, .criteria > div:nth-child(-n+3) { border-left: 0; border-top: 1px solid var(--rule); }
  .criteria > div:first-child { border-top: 0; }
  .ccard img { min-height: 0; aspect-ratio: 4 / 3; }
  .ccard .lead-dr img { aspect-ratio: auto; min-height: 0; }
  .founder.has-photo { grid-template-columns: 1fr; gap: 22px; }
  .offer { grid-template-columns: 1fr; padding: 28px 22px 22px; }
  .founder .portrait { max-width: 220px; }
  .facts, .gallery { grid-template-columns: 1fr 1fr; }
  .facts > div:nth-child(3) { border-left: 0; }
  .facts > div:nth-child(n+3) { border-top: 1px solid var(--rule); }
  .ckgrid > div + div { border-left: 0; border-top: 1px solid var(--rule); }
  .cities > div + div { border-left: 0; border-top: 1px solid var(--rule); }
  .prow { grid-template-columns: 1fr; gap: 16px; }
  .care { grid-template-columns: 1fr 1fr; }
  .care > div + div { border-left: 0; }
  .care > div:nth-child(even) { border-left: 1px solid var(--rule); }
  .care > div:nth-child(n+3) { border-top: 1px solid var(--rule); }
  .steps { grid-template-columns: 1fr 1fr; }
  .dark ul { grid-template-columns: 1fr; }
  .trip { padding: 22px 20px; }
  .days li { grid-template-columns: 84px 1fr; gap: 14px; }
  section { padding: 56px 0; }
  .contact { padding: 24px; }
}
@media (max-width: 560px) {
  .nav .btn { display: none; }
  .care, .steps { grid-template-columns: 1fr; }
  .care > div:nth-child(even) { border-left: 0; }
  .care > div + div { border-top: 1px solid var(--rule); }
}