:root{--green:#1f3a33;--cream:#f6f1ea;--sand:#ece4d8;--gold:#c9a96e;--ink:#22302c;--muted:#5f6b66}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Jost,system-ui,sans-serif;font-weight:300;color:var(--ink);background:var(--cream);line-height:1.65;font-size:17px}
h1,h2,h3{font-family:"Cormorant Garamond",Georgia,serif;font-weight:500;color:var(--green);line-height:1.15;margin:0 0 .5em}
h1{font-size:clamp(2.4rem,5vw,4rem)}h2{font-size:clamp(2rem,3.4vw,2.8rem);text-align:center}h3{font-size:1.45rem}
a{color:inherit}
.wrap{max-width:1160px;margin:0 auto;padding:0 24px}.narrow{max-width:780px}
.top{position:sticky;top:0;z-index:5;background:rgba(246,241,234,.92);backdrop-filter:blur(8px);border-bottom:1px solid #e4dccf}
.bar{display:flex;align-items:center;gap:28px;height:78px}
.brand{color:var(--green);display:flex}.logo{height:46px;width:auto}
.top nav{display:flex;gap:26px;margin-left:auto;font-size:.95rem}.top nav a{text-decoration:none;letter-spacing:.04em}.top nav a:hover{color:var(--gold)}
.lang{font-size:.85rem;letter-spacing:.08em;text-decoration:none;border-bottom:1px solid var(--gold)}
.btn{display:inline-block;background:var(--green);color:var(--cream);text-decoration:none;padding:.85em 1.7em;border:1px solid var(--green);letter-spacing:.08em;font:400 .92rem Jost,sans-serif;text-transform:uppercase;cursor:pointer;transition:.2s}
.btn:hover{background:var(--gold);border-color:var(--gold);color:var(--green)}
.btn.ghost{background:transparent;color:var(--green)}.btn.ghost:hover{background:var(--green);color:var(--cream)}
.btn.sm{padding:.6em 1.1em;font-size:.8rem}
.hero{padding:80px 0 0;background:linear-gradient(180deg,var(--cream),var(--sand))}
.hero-in{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.eyebrow{text-transform:uppercase;letter-spacing:.22em;font-size:.78rem;color:var(--gold);font-weight:500}
.lead{font-size:1.15rem;color:var(--muted);max-width:34em}.btns{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
.hero-art{position:relative;height:440px}
.b{position:absolute;bottom:40px;background:linear-gradient(160deg,#fff 0%,#efe7da 55%,#e2d5c1 100%);box-shadow:0 30px 50px -25px rgba(31,58,51,.35)}
.b::before{content:"";position:absolute;left:50%;transform:translateX(-50%);background:var(--green)}
.b1{left:14%;width:120px;height:250px;border-radius:14px}.b1::before{top:-48px;width:54px;height:48px;border-radius:6px 6px 0 0}
.b2{left:44%;width:150px;height:170px;border-radius:24px}.b2::before{top:-30px;width:120px;height:30px;border-radius:10px 10px 0 0;background:var(--gold)}
.b3{left:74%;width:78px;height:300px;border-radius:40px}.b3::before{top:-70px;width:16px;height:70px}
.b::after{content:"YILONG88";position:absolute;left:0;right:0;top:44%;text-align:center;font:500 .72rem "Cormorant Garamond",serif;letter-spacing:.3em;color:var(--green)}
.ring{position:absolute;right:4%;top:6%;width:220px;height:220px;border:1px solid var(--gold);border-radius:50%;opacity:.6}
.facts{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid #d9cdb9;margin-top:40px}
.facts div{padding:26px 10px;text-align:center;border-right:1px solid #d9cdb9}.facts div:last-child{border:0}
.facts b{display:block;font:500 2.1rem "Cormorant Garamond",serif;color:var(--green)}.facts span{font-size:.88rem;color:var(--muted)}
.sec{padding:96px 0}.sub{text-align:center;color:var(--muted);max-width:42em;margin:0 auto 46px}
.cats{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.cat{background:#fff;padding:30px 26px;border:1px solid #ebe3d6;transition:.25s}.cat:hover{transform:translateY(-4px);box-shadow:0 20px 40px -24px rgba(31,58,51,.35)}
.cat p{font-size:.95rem;color:var(--muted);margin:0}.ico{width:46px;height:46px;margin-bottom:14px}
.dark{background:var(--green);color:var(--cream)}.dark h2,.dark h3{color:var(--cream)}
.steps{list-style:none;padding:0;margin:50px 0 0;display:grid;grid-template-columns:repeat(4,1fr);gap:32px}
.steps .n{font:500 2.6rem "Cormorant Garamond",serif;color:var(--gold)}.steps p{opacity:.85;font-size:.96rem}
.why{display:grid;grid-template-columns:repeat(2,1fr);gap:0;margin-top:40px;border-top:1px solid #e0d6c6}
.why div{padding:34px 34px 30px 0;border-bottom:1px solid #e0d6c6}.why div:nth-child(odd){padding-right:48px;border-right:1px solid #e0d6c6}.why div:nth-child(even){padding-left:48px}
.why p{color:var(--muted);margin:0}
.alt{background:var(--sand)}
details{border-bottom:1px solid #d6c9b3;padding:18px 0}summary{cursor:pointer;font:500 1.3rem "Cormorant Garamond",serif;color:var(--green);list-style:none;position:relative;padding-right:30px}
summary::after{content:"+";position:absolute;right:0;color:var(--gold);font-size:1.5rem;line-height:1}details[open] summary::after{content:"−"}
details p{color:var(--muted);margin:.6em 0 0}
.quote label{display:block;font-size:.85rem;letter-spacing:.05em;margin-bottom:16px}
.quote input,.quote select,.quote textarea{display:block;width:100%;margin-top:6px;padding:.75em .9em;border:1px solid #d6c9b3;background:#fff;font:inherit;font-size:1rem}
.quote input:focus,.quote select:focus,.quote textarea:focus{outline:2px solid var(--gold);outline-offset:-1px}
.g2{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}
fieldset{border:1px solid #d6c9b3;padding:14px 18px;margin:0 0 16px}legend{font-size:.85rem;padding:0 6px}
.chks{display:grid;grid-template-columns:1fr 1fr;gap:4px 18px}.quote .chk{display:flex;gap:8px;align-items:center;margin:0;font-size:.95rem;letter-spacing:0}.chk input{width:auto;margin:0}
.foot{background:var(--green);color:#cfd8d3;padding:50px 0;text-align:center;font-size:.9rem}.foot .brand{justify-content:center;color:var(--cream);margin-bottom:12px}.small{opacity:.6;font-size:.8rem}
@media(max-width:900px){.top nav{display:none}.hero-in{grid-template-columns:1fr}.hero-art{height:300px}.b1{width:90px;height:180px}.b2{width:110px;height:130px}.b3{width:60px;height:220px}
.facts{grid-template-columns:1fr 1fr}.facts div:nth-child(2){border-right:0}.facts div{border-bottom:1px solid #d9cdb9}
.cats{grid-template-columns:1fr 1fr}.steps{grid-template-columns:1fr 1fr}.why{grid-template-columns:1fr}.why div:nth-child(n){padding:26px 0;border-right:0}}
@media(max-width:560px){body{font-size:16px}.bar{gap:12px;height:66px}.logo{height:36px}.lang{display:none}.btn.sm{font-size:.7rem;padding:.55em .8em}
.hero{padding-top:44px}.cats,.steps,.g2,.chks{grid-template-columns:1fr}.sec{padding:64px 0}.facts b{font-size:1.7rem}}

.tabs{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin:-10px 0 34px}
.tab{background:#fff;border:1px solid #e0d6c6;color:var(--green);font:400 .88rem Jost,sans-serif;letter-spacing:.04em;padding:.55em 1.1em;cursor:pointer;border-radius:30px}
.tab i{font-style:normal;color:var(--gold);font-size:.8em;margin-left:3px}.tab.on,.tab:hover{background:var(--green);color:var(--cream);border-color:var(--green)}
.pgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.pc{background:#fff;border:1px solid #ebe3d6;padding:0 0 16px;transition:.25s}.pc:hover{box-shadow:0 20px 40px -24px rgba(31,58,51,.35)}
.pc img{display:block;width:100%;height:auto;aspect-ratio:1}.pc h3{font-size:1.15rem;margin:12px 16px 4px;line-height:1.25}
.pc p{display:flex;justify-content:space-between;margin:0 16px;font-size:.82rem;color:var(--muted)}.pc b{display:block;margin:8px 16px 0;font-weight:400;font-size:.8rem;letter-spacing:.06em;color:#8f7442;text-transform:uppercase}
.pnote{text-align:center;color:var(--muted);font-size:.88rem;margin:30px auto 0;max-width:46em}.btns.c{justify-content:center}
@media(max-width:900px){.pgrid{grid-template-columns:repeat(3,1fr)}}@media(max-width:560px){.pgrid{grid-template-columns:1fr 1fr;gap:12px}.pc h3{font-size:1rem;margin:10px 10px 4px}.pc p,.pc b{margin-left:10px;margin-right:10px}}