:root{
  --paper:#F2F4EE;
  --mist:#E6ECE2;
  --ink:#1C3430;
  --ink-deep:#132825;
  --malachite:#2F7A62;
  --azurite:#33658A;
  --seal:#BE3A24;
  --line:rgba(28,52,48,.14);
  --display:'Young Serif', 'Noto Serif SC', serif;
  --body:'Instrument Sans', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  --maxw:1100px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--body);background:var(--paper);color:var(--ink);line-height:1.65;font-size:16.5px}
body.lang-zh{font-size:16px;letter-spacing:.01em}
body.lang-zh .display{font-family:'Noto Serif SC', serif;font-weight:700;letter-spacing:.02em}
.display{font-family:var(--display);font-weight:400;line-height:1.15}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
a{color:inherit}
img{max-width:100%;display:block}
.eyebrow{
  display:inline-flex;align-items:center;gap:.6em;
  font-size:.78rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;
  color:var(--malachite);
}
body.lang-zh .eyebrow{letter-spacing:.3em;font-size:.8rem}
.eyebrow::before{content:"";width:26px;height:1.5px;background:var(--malachite)}

/* header */
header{position:sticky;top:0;z-index:50;background:rgba(242,244,238,.88);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:24px;height:64px}
.brand{display:flex;align-items:center;gap:11px;font-weight:600;text-decoration:none;font-size:1.02rem}
.sealmark{
  width:34px;height:34px;object-fit:contain;display:block;flex-shrink:0;
}
.nav-links{display:flex;gap:20px;margin-left:auto;font-size:.92rem}
.nav-links a{text-decoration:none;opacity:.75;transition:opacity .15s}
.nav-links a:hover{opacity:1}
.lang-btn{border:1px solid var(--line);background:transparent;border-radius:99px;padding:6px 14px;font:inherit;font-size:.85rem;font-weight:600;cursor:pointer;color:var(--ink);transition:background .15s}
.lang-btn:hover{background:var(--mist)}
.btn{display:inline-block;text-decoration:none;border-radius:99px;padding:11px 22px;font-weight:600;font-size:.95rem;border:none;cursor:pointer;font-family:var(--body);transition:transform .15s, box-shadow .15s}
.btn:active{transform:scale(.98)}
.btn-seal{background:var(--seal);color:#fff;box-shadow:0 4px 14px rgba(190,58,36,.28)}
.btn-seal:hover{box-shadow:0 6px 18px rgba(190,58,36,.4)}
.btn-ghost{border:1.5px solid var(--ink);color:var(--ink);background:transparent}
.btn-ghost:hover{background:var(--ink);color:var(--paper)}
.nav .btn{padding:8px 18px;font-size:.88rem}

/* hero — default: gradient + SVG mountains; .has-photo when images/background has files */
.hero{position:relative;overflow:hidden;background:linear-gradient(180deg,#EAF0E8 0%, var(--paper) 100%)}
.hero-inner{position:relative;z-index:2;padding:84px 24px 340px;text-align:center;max-width:840px;margin:0 auto}
.hero h1{font-size:clamp(2.3rem,5.4vw,3.8rem);margin:20px 0 18px;color:var(--ink-deep)}
.hero p.lead{font-size:1.13rem;max-width:680px;margin:0 auto 30px;opacity:.85}
.hero-ctas{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.mountains{position:absolute;bottom:-2px;left:0;width:100%;height:340px;z-index:1;pointer-events:none}
.mountains svg{width:100%;height:100%;display:block}
.hero-photo{position:absolute;inset:0;z-index:0;pointer-events:none}
.hero-photo img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 35%;
  opacity:0;transition:opacity 1.1s ease;
}
.hero-photo img.is-active{opacity:1}
.hero-photo::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg, rgba(242,244,238,.78) 0%, rgba(242,244,238,.55) 42%, rgba(242,244,238,.28) 68%, rgba(242,244,238,.12) 100%);
}
.hero.has-photo{min-height:72vh}
.hero.has-photo .hero-inner{padding:96px 24px 100px}
.hero.has-photo .mountains{display:none}
.trust-strip{position:relative;z-index:3;background:var(--ink-deep);color:rgba(242,244,238,.92);font-size:.88rem;text-align:center;padding:13px 20px;letter-spacing:.02em}
.trust-strip b{color:#fff}

/* sections */
section{padding:88px 0}
.sec-head{max-width:680px;margin-bottom:46px}
.sec-head h2{font-size:clamp(1.7rem,3.4vw,2.4rem);margin:14px 0 12px;color:var(--ink-deep)}
.sec-head p{opacity:.8}
.alt{background:var(--mist)}

/* programs */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:#fff;border-radius:16px;overflow:hidden;border:1px solid var(--line);box-shadow:0 2px 10px rgba(28,52,48,.05);display:flex;flex-direction:column;transition:transform .2s, box-shadow .2s}
.card:hover{transform:translateY(-4px);box-shadow:0 10px 26px rgba(28,52,48,.1)}
.card-art{height:168px;overflow:hidden;background:var(--mist)}
.card-art img{width:100%;height:100%;object-fit:cover;display:block}
.card-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-meta{font-size:.78rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--azurite)}
body.lang-zh .card-meta{letter-spacing:.15em}
.card h3{font-size:1.24rem;color:var(--ink-deep)}
.card p{font-size:.94rem;opacity:.82}
.card-tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:auto;padding-top:10px}
.tag{font-size:.78rem;background:var(--mist);border-radius:99px;padding:4px 11px}

/* full catalog */
.catalog{margin-top:30px;border:1px solid var(--line);border-radius:14px;background:#fff;overflow:hidden}
.catalog summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;padding:18px 22px;font-weight:600;gap:16px}
.catalog summary::-webkit-details-marker{display:none}
.catalog summary::after{content:"+";font-size:1.4rem;font-weight:400;color:var(--malachite);transition:transform .2s}
.catalog[open] summary::after{transform:rotate(45deg)}
.table-scroll{overflow-x:auto;padding:0 22px 22px}
.catalog table{width:100%;border-collapse:collapse;font-size:.9rem;min-width:640px}
.catalog th{text-align:left;font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;color:var(--azurite);padding:10px 12px;border-bottom:1.5px solid var(--line)}
.catalog td{padding:12px;border-bottom:1px solid var(--line);vertical-align:top}
.catalog tr:last-child td{border-bottom:none}
.catalog td:first-child{font-weight:600;white-space:nowrap}
.catalog-note{padding:0 22px 20px;font-size:.84rem;opacity:.65}

/* why now */
.now-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.now{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px;display:flex;flex-direction:column;gap:10px}
.now .hot{display:inline-flex;align-self:flex-start;font-size:.72rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:#fff;background:var(--seal);border-radius:99px;padding:3px 10px}
.now h4{font-size:1.06rem;color:var(--ink-deep)}
.now p{font-size:.92rem;opacity:.8}
.now a.srclink{margin-top:auto;padding-top:8px;font-size:.85rem;font-weight:600;color:var(--azurite);text-decoration:none}
.now a.srclink:hover{text-decoration:underline}

/* cases */
.cases-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
a.case{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;display:flex;flex-direction:column;text-decoration:none;color:inherit;cursor:pointer;transition:border-color .2s,box-shadow .2s}
a.case:hover{border-color:var(--azurite);box-shadow:0 8px 24px rgba(15,40,35,.08)}
.case-photo{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(150deg,#DCE7E1,#CBD9D0)}
.case-photo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.case-photo .ph-tip{display:none;position:absolute;inset:0;place-items:center;text-align:center;font-size:.82rem;color:var(--ink);opacity:.55;padding:16px}
.case-photo.missing img{display:none}
.case-photo.missing .ph-tip{display:grid}
.case-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:8px;flex:1}
.case-meta{font-size:.78rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--seal)}
.case h3{font-size:1.1rem;color:var(--ink-deep);line-height:1.4}
.case p{font-size:.92rem;opacity:.8}
.cases-more{margin-top:26px;font-size:.92rem;opacity:.75;max-width:820px}
.cases-more a{color:var(--azurite);font-weight:600;text-decoration:none}
.cases-more a:hover{text-decoration:underline}

/* audience */
.tracks{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.track{border-radius:16px;padding:34px 30px;color:var(--paper);display:flex;flex-direction:column;gap:12px}
.track.t-family{background:linear-gradient(150deg,#276450,var(--malachite))}
.track.t-school{background:linear-gradient(150deg,#2A5473,var(--azurite))}
.track h3{font-size:1.4rem;font-family:var(--display)}
body.lang-zh .track h3{font-family:'Noto Serif SC',serif}
.track ul{list-style:none;display:flex;flex-direction:column;gap:9px;font-size:.95rem}
.track li{padding-left:22px;position:relative;opacity:.94}
.track li::before{content:"";position:absolute;left:0;top:.55em;width:10px;height:10px;border-radius:3px;background:rgba(255,255,255,.55)}

/* trust / care cards */
.safety-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.safe{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px}
.safe h4{font-size:1.02rem;margin-bottom:6px;color:var(--ink-deep)}
.safe p{font-size:.9rem;opacity:.78}
.safe .glyph{width:38px;height:38px;border-radius:10px;background:var(--mist);display:grid;place-items:center;margin-bottom:14px;color:var(--malachite)}
.safe .glyph svg{width:20px;height:20px}
.care-foot{margin-top:36px;max-width:720px;display:flex;flex-direction:column;align-items:flex-start;gap:16px}
.care-foot p{font-size:.94rem;opacity:.8}

/* faq */
details.faq-item{border-bottom:1px solid var(--line)}
details.faq-item summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;padding:20px 4px;font-weight:600;font-size:1.02rem;gap:16px}
details.faq-item summary::-webkit-details-marker{display:none}
details.faq-item summary::after{content:"+";font-size:1.4rem;font-weight:400;color:var(--malachite);transition:transform .2s;flex-shrink:0}
details.faq-item[open] summary::after{transform:rotate(45deg)}
details.faq-item .ans{padding:0 4px 22px;opacity:.82;font-size:.96rem;max-width:720px}

/* contact */
.contact{background:var(--ink-deep);color:var(--paper)}
.contact .sec-head h2{color:#fff}
.contact .sec-head p{opacity:.75}
.contact .eyebrow{color:#8FC7AE}
.contact .eyebrow::before{background:#8FC7AE}
.contact-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:44px;align-items:start}
.form{display:flex;flex-direction:column;gap:14px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form label{font-size:.85rem;font-weight:600;display:block;margin-bottom:6px;opacity:.85}
.form input,.form select,.form textarea{width:100%;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.2);border-radius:10px;padding:12px 14px;color:#fff;font:inherit;font-size:.95rem}
.form input::placeholder,.form textarea::placeholder{color:rgba(255,255,255,.4)}
.form select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23ffffff' stroke-width='1.6' fill='none'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center}
.form select option{color:var(--ink)}
.form textarea{min-height:120px;resize:vertical}
.form input:focus,.form select:focus,.form textarea:focus{outline:2px solid var(--malachite);outline-offset:1px;border-color:transparent}
.form .btn{align-self:flex-start;margin-top:6px}
.form-note{font-size:.82rem;opacity:.55}
.country-combo{position:relative}
.country-combo input{padding-right:36px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23ffffff' stroke-width='1.6' fill='none'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center}
.country-list{position:absolute;left:0;right:0;top:calc(100% + 4px);z-index:20;max-height:220px;overflow:auto;margin:0;padding:6px 0;list-style:none;background:#1a2f28;border:1px solid rgba(255,255,255,.22);border-radius:10px;box-shadow:0 12px 28px rgba(0,0,0,.35);display:none}
.country-list.open{display:block}
.country-list li{padding:9px 14px;cursor:pointer;font-size:.92rem;color:rgba(255,255,255,.9)}
.country-list li:hover,.country-list li.active{background:rgba(143,199,174,.22)}
.country-list .empty{opacity:.55;cursor:default;pointer-events:none}
.direct{display:flex;flex-direction:column;gap:18px}
.direct-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:14px;padding:22px}
.direct-card h4{font-size:.98rem;margin-bottom:6px}
.direct-card p, .direct-card a{font-size:.92rem;opacity:.85;text-decoration:none}
.direct-card a:hover{text-decoration:underline}
.advisor{display:flex;gap:14px;align-items:center}
.a-name{font-weight:600;font-size:1.02rem}
.a-role{font-size:.82rem;opacity:.7}
.wa-btn{display:inline-flex;align-items:center;gap:9px;background:#25D366;color:#0b3d22;font-weight:600;border-radius:99px;padding:11px 20px;text-decoration:none;font-size:.94rem;margin-top:10px}
.wa-btn:hover{filter:brightness(1.05)}
.qr-box{
  width:132px;height:132px;border-radius:12px;object-fit:cover;
  display:block;margin-top:10px;background:#fff;
}
.official-links{list-style:none;display:flex;flex-direction:column;gap:6px;margin-top:8px;font-size:.9rem}
.official-links a{opacity:.85}

/* footer */
footer{background:var(--ink-deep);color:rgba(242,244,238,.6);border-top:1px solid rgba(255,255,255,.1)}
.foot{display:flex;justify-content:space-between;align-items:center;padding:26px 0;font-size:.85rem;flex-wrap:wrap;gap:12px}
.foot .brand{color:#fff;font-size:.95rem}

/* reveal */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease, transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
  .card:hover{transform:none}
}
:focus-visible{outline:2.5px solid var(--malachite);outline-offset:2px}

/* responsive */
@media (max-width:900px){
  .cards{grid-template-columns:1fr}
  .now-grid{grid-template-columns:1fr}
  .cases-grid{grid-template-columns:1fr}
  .tracks{grid-template-columns:1fr}
  .safety-grid{grid-template-columns:1fr 1fr}
  .contact-grid{grid-template-columns:1fr}
  .nav-links{display:none}
  .hero-inner{padding-bottom:250px}
  .hero.has-photo{min-height:64vh}
  .hero.has-photo .hero-inner{padding-bottom:72px}
  .mountains{height:250px}
}
@media (max-width:560px){
  section{padding:64px 0}
  .safety-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .trust-strip{font-size:.78rem}
}

/* ── SEO subpages ── */
.lang-btn{text-decoration:none;display:inline-flex;align-items:center}
.breadcrumb{font-size:.85rem;opacity:.7;padding:18px 0 0;display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.breadcrumb a{text-decoration:none;opacity:.85}
.breadcrumb a:hover{text-decoration:underline;opacity:1}
.breadcrumb span[aria-hidden]{opacity:.45}
.page-hero{padding:48px 0 28px;background:linear-gradient(180deg,#EAF0E8 0%, var(--paper) 100%)}
.page-hero h1{font-size:clamp(1.9rem,4vw,2.8rem);margin:14px 0 14px;color:var(--ink-deep);max-width:820px}
.page-hero .lead{font-size:1.08rem;opacity:.85;max-width:720px;margin-bottom:22px}
.page-hero .meta-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:8px}
.prose{max-width:720px}
.prose p{margin:0 0 1em;opacity:.88}
.prose ul{margin:0 0 1.2em;padding-left:1.2em;opacity:.88}
.prose li{margin:.4em 0}
.prose h2{font-size:1.45rem;margin:1.6em 0 .6em;color:var(--ink-deep);font-family:var(--display)}
body.lang-zh .prose h2{font-family:'Noto Serif SC',serif;font-weight:700}
.camp-cover{border-radius:16px;overflow:hidden;border:1px solid var(--line);margin:28px 0 36px;aspect-ratio:16/9;background:var(--mist)}
.camp-cover img{width:100%;height:100%;object-fit:cover}
.related{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:20px}
.related a{text-decoration:none;background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;display:flex;flex-direction:column;gap:8px;transition:border-color .2s,box-shadow .2s}
.related a:hover{border-color:var(--azurite);box-shadow:0 8px 20px rgba(28,52,48,.08)}
.related h3{font-size:1.05rem;color:var(--ink-deep)}
.related p{font-size:.88rem;opacity:.75}
.cta-band{background:var(--ink-deep);color:var(--paper);padding:48px 0;margin-top:24px}
.cta-band h2{color:#fff;font-size:clamp(1.4rem,3vw,1.9rem);margin:0 0 12px;font-family:var(--display)}
.cta-band p{opacity:.8;margin:0 0 20px;max-width:560px}
.foot-nav{display:flex;flex-wrap:wrap;gap:14px 22px;font-size:.88rem}
.foot-nav a{color:rgba(242,244,238,.75);text-decoration:none}
.foot-nav a:hover{color:#fff;text-decoration:underline}
.card-link{text-decoration:none;color:inherit;display:flex;flex-direction:column;height:100%}
.card-link .card-more{font-size:.88rem;font-weight:600;color:var(--azurite);margin-top:4px}
a.card{text-decoration:none;color:inherit}
@media (max-width:900px){
  .related{grid-template-columns:1fr}
}