:root{
  --deep:#0b4f4c;
  --teal:#13766f;
  --leaf:#7cc65c;
  --mist:#eef5f2;
  --ink:#122523;
  --muted:#53665f;
  --line:#d9e5df;
  --white:#fff;
  --serif:"Fraunces","Noto Serif SC","Songti SC",SimSun,Georgia,serif;
  --sans:"Figtree","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font:17px/1.65 var(--sans);color:var(--ink);background:var(--white);-webkit-font-smoothing:antialiased}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
a{color:var(--teal)}
a:focus-visible,summary:focus-visible,.btn:focus-visible{outline:3px solid var(--leaf);outline-offset:3px;border-radius:6px}
h1,h2,h3{font-family:var(--serif);font-weight:500;line-height:1.12;margin:0;letter-spacing:-.01em}
h2{font-size:clamp(1.9rem,3.6vw,2.6rem)}
h3{font-size:1.25rem}
p{margin:0}

/* header */
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.88);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:72px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--deep);font-family:var(--serif);font-size:1.3rem;font-weight:500}
.brand img{border-radius:50%;display:block}
nav{display:flex;align-items:center;gap:26px}
nav .nl{color:var(--ink);text-decoration:none;font-weight:500;font-size:.98rem}
nav .nl:hover{color:var(--teal)}

/* buttons */
.btn{display:inline-block;padding:14px 26px;border-radius:999px;background:var(--teal);color:var(--white);text-decoration:none;font-weight:600;transition:background .2s,transform .2s}
.btn:hover{background:var(--deep)}
.btn-sm{padding:10px 20px;font-size:.95rem;white-space:nowrap}
.btn-light{background:var(--white);color:var(--deep)}
.btn-light:hover{background:var(--leaf);color:var(--deep)}
.btn-line{background:transparent;color:var(--white);box-shadow:inset 0 0 0 2px rgba(255,255,255,.55)}
.btn-line:hover{background:rgba(255,255,255,.14)}
.btn-ghost{background:transparent;color:var(--deep);box-shadow:inset 0 0 0 2px var(--deep)}
.btn-ghost:hover{background:var(--deep);color:var(--white)}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}

/* hero */
.hero{position:relative;overflow:hidden;color:var(--white);padding:104px 0 112px;background:radial-gradient(120% 120% at 85% 0%,#1d9a86 0%,var(--teal) 38%,var(--deep) 100%)}
.hero-grid{position:relative;display:grid;grid-template-columns:1.25fr .75fr;gap:56px;align-items:center}
.hero h1{font-size:clamp(2.5rem,6vw,4.4rem);max-width:13ch}
.lead{margin-top:24px;font-size:1.2rem;max-width:34em;color:rgba(255,255,255,.88)}
.orb{position:absolute;border-radius:50%;background:radial-gradient(circle at 35% 35%,rgba(124,198,92,.55),rgba(124,198,92,0) 70%);pointer-events:none}
.orb-a{width:520px;height:520px;right:-140px;top:-160px;animation:drift 18s ease-in-out infinite alternate}
.orb-b{width:340px;height:340px;left:-120px;bottom:-170px;opacity:.6;animation:drift 22s ease-in-out infinite alternate-reverse}
@keyframes drift{to{transform:translate(-26px,22px)}}

.hero-card{background:rgba(255,255,255,.96);color:var(--ink);border-radius:24px;padding:30px;box-shadow:0 30px 60px -24px rgba(0,0,0,.45)}
.rating{display:flex;flex-wrap:wrap;align-items:baseline;gap:10px;padding-bottom:20px;border-bottom:1px solid var(--line)}
.rating strong{font-family:var(--serif);font-size:2.6rem;line-height:1;color:var(--deep)}
.rating .stars{color:#e0a93b;letter-spacing:2px}
.rating span:last-child{flex-basis:100%;color:var(--muted);font-size:.95rem}
.hero-card dl{margin:20px 0 0;display:grid;gap:14px}
.hero-card dl div{display:grid;grid-template-columns:72px 1fr;gap:12px;align-items:baseline}
.hero-card dt{color:var(--muted);font-size:.92rem}
.hero-card dd{margin:0;font-weight:600}
.hero-card dd a{color:var(--deep);text-decoration:none}

/* sections */
.section{padding:96px 0}
.split{display:grid;grid-template-columns:.8fr 1.2fr;gap:64px;align-items:start}
.split-head{position:sticky;top:104px}
.split-head p{margin-top:16px;color:var(--muted);max-width:26em}

.services{list-style:none;margin:0;padding:0}
.services li{padding:26px 0;border-top:1px solid var(--line)}
.services li:last-child{border-bottom:1px solid var(--line)}
.services h3{color:var(--deep)}
.services p{margin-top:8px;color:var(--muted);max-width:36em}

/* visit */
.visit{background:var(--mist)}
.visit-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.visit h2{margin-bottom:20px}
address{font-style:normal;font-size:1.15rem}
.facts{list-style:none;margin:24px 0 0;padding:0;display:grid;gap:10px}
.facts li{display:grid;grid-template-columns:96px 1fr;gap:12px}
.facts span{color:var(--muted)}
.map{border-radius:24px;overflow:hidden;box-shadow:0 24px 50px -28px rgba(11,79,76,.55);background:#dbe8e2}
.map iframe{display:block}

/* contact form */
.form{display:grid;gap:18px;max-width:560px}
.form label{display:grid;gap:6px;font-weight:600;font-size:.95rem}
.form input,.form textarea{font:inherit;font-weight:400;color:var(--ink);background:var(--mist);border:1.5px solid var(--line);border-radius:12px;padding:14px 16px;width:100%}
.form textarea{resize:vertical;min-height:130px}
.form input:focus,.form textarea:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 3px rgba(19,118,111,.18);background:var(--white)}
.form .btn{border:0;cursor:pointer;font:inherit;font-weight:600;justify-self:start}
.form-error{color:#a3321f;font-size:.95rem}

/* faq */
.faq details{border-top:1px solid var(--line);padding:22px 0}
.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;font-weight:600;font-size:1.08rem;list-style:none;display:flex;justify-content:space-between;gap:16px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.5rem;color:var(--teal);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq p{margin-top:12px;color:var(--muted);max-width:38em}

/* footer */
.site-footer{background:var(--deep);color:rgba(255,255,255,.8);padding:30px 0;font-size:.95rem}
.site-footer a{color:var(--white)}
.foot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px}

/* responsive */
@media(max-width:860px){
  .hero{padding:72px 0 80px}
  .hero-grid,.split,.visit-grid{grid-template-columns:1fr;gap:36px}
  .split-head{position:static}
  .section{padding:68px 0}
  nav .nl{display:none}
}
@media(max-width:480px){
  body{font-size:16px}
  .wrap{padding:0 18px}
  .brand{gap:8px}
  .brand span{font-size:1rem;white-space:nowrap}
  .brand img{width:38px;height:38px}
  .btn-sm{padding:9px 14px;font-size:.9rem}
}
@media(prefers-reduced-motion:reduce){
  .orb{animation:none}
  html{scroll-behavior:auto}
  .btn,.faq summary::after{transition:none}
}

/* language switcher */
.lang{display:flex;gap:2px;padding:3px;border-radius:999px;background:var(--mist);border:1px solid var(--line)}
.lang a{padding:5px 11px;border-radius:999px;font-size:.85rem;font-weight:600;color:var(--muted);text-decoration:none}
.lang a:hover{color:var(--deep)}
.lang a[aria-current]{background:var(--deep);color:var(--white)}
html[lang="zh"] .hero h1{max-width:11em;line-height:1.25}
html[lang="zh"] h2,html[lang="zh"] h3{line-height:1.3;letter-spacing:0}
html[lang="zh"] body{line-height:1.8}
@media(max-width:480px){nav{gap:10px}.lang a{padding:5px 8px;font-size:.8rem}}
@media(max-width:520px){
  .bar{gap:10px}
  .brand span{white-space:nowrap;font-size:1.05rem}
  .site-header .btn-sm{display:none}
}