:root{
  --bg:#0a0a0c; --surface:#141417; --surface2:#1c1c22; --line:#2a2a33;
  --gold:#e3c27e; --gold2:#c9a24a; --gold-soft:rgba(227,194,126,.14);
  --text:#ececec; --muted:#9a9aa2; --maxw:1180px; --nav-h:64px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
  background:var(--bg);color:var(--text);line-height:1.6;overflow-x:hidden}

/* NAV */
.nav{position:fixed;top:0;left:0;right:0;z-index:1000;height:var(--nav-h);
  display:flex;align-items:center;justify-content:space-between;padding:0 28px;
  background:rgba(10,10,12,.82);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-logo{font-size:19px;font-weight:800;letter-spacing:1px}
.nav-logo span{color:var(--gold)}
.nav-links{display:flex;gap:26px;list-style:none}
.nav-links a{color:var(--muted);text-decoration:none;font-size:14px;transition:color .2s}
.nav-links a:hover{color:var(--gold)}
.nav-cta{background:var(--gold);color:#0a0a0c;padding:7px 18px;border-radius:6px;font-weight:700!important;color:#0a0a0c!important}
.nav-cta:hover{background:#f0d291}
.nav-toggle{display:none;background:none;border:none;color:var(--text);font-size:24px;cursor:pointer}

/* HERO */
.hero{min-height:100vh;display:flex;align-items:center;justify-content:center;position:relative;
  background:radial-gradient(1200px 600px at 70% -10%,rgba(227,194,126,.10),transparent 60%),
             radial-gradient(900px 500px at 0% 110%,rgba(227,194,126,.06),transparent 60%),#0a0a0c}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent,rgba(10,10,12,.4))}
.hero-content{position:relative;z-index:1;text-align:center;max-width:820px;padding:0 20px}
.hero-badge{display:inline-block;padding:6px 18px;border-radius:20px;background:var(--gold-soft);
  border:1px solid rgba(227,194,126,.3);color:var(--gold);font-size:13px;margin-bottom:26px}
.hero h1{font-size:clamp(34px,6vw,62px);font-weight:800;line-height:1.18;margin-bottom:22px;letter-spacing:1px}
.hero p{font-size:clamp(15px,2.4vw,20px);color:var(--muted);max-width:620px;margin:0 auto 36px}
.hero-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.btn-gold{background:var(--gold);color:#0a0a0c;padding:13px 32px;border-radius:8px;font-size:15px;font-weight:700;
  text-decoration:none;border:none;cursor:pointer;transition:.2s}
.btn-gold:hover{background:#f0d291;transform:translateY(-1px)}
.btn-outline{background:transparent;color:var(--text);padding:13px 32px;border-radius:8px;font-size:15px;font-weight:600;
  text-decoration:none;border:1px solid var(--line);cursor:pointer;transition:.2s}
.btn-outline:hover{border-color:var(--gold);color:var(--gold)}

/* SECTION */
.section{padding:92px 20px}
.section-dark{background:var(--surface)}
.container{max-width:var(--maxw);margin:0 auto}
.section-label{display:inline-block;font-size:12px;font-weight:700;letter-spacing:2px;color:var(--gold2);text-transform:uppercase;margin-bottom:14px}
.section-label.gold{color:var(--gold)}
.section-title{font-size:clamp(26px,4vw,40px);font-weight:800;margin-bottom:14px}
.section-subtitle{font-size:16px;color:var(--muted);max-width:660px;margin-bottom:50px;line-height:1.7}

/* ABOUT */
.about-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:48px;align-items:start}
.about-stats{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.about-stat{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:26px 18px;text-align:center}
.about-stat .num{font-size:34px;font-weight:800;color:var(--gold)}
.about-stat .label{font-size:13px;color:var(--muted);margin-top:6px}
.timeline{position:relative;padding-left:22px;border-left:2px solid var(--line)}
.tl-item{position:relative;padding:0 0 26px 18px}
.tl-item::before{content:"";position:absolute;left:-29px;top:4px;width:12px;height:12px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px rgba(227,194,126,.15)}
.tl-item .yr{font-size:13px;color:var(--gold2);font-weight:700}
.tl-item .tt{font-size:17px;font-weight:700;margin:2px 0 4px}
.tl-item .ds{font-size:14px;color:var(--muted);line-height:1.7}

/* CARDS */
.cards-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:28px 22px;transition:.25s}
.card:hover{transform:translateY(-4px);border-color:var(--gold)}
.card .ic{font-size:34px;margin-bottom:14px}
.card h4{font-size:18px;font-weight:700;margin-bottom:8px}
.card p{font-size:14px;color:var(--muted);line-height:1.7}
.card .tag{display:inline-block;margin-top:12px;font-size:12px;color:var(--gold);background:var(--gold-soft);padding:3px 10px;border-radius:10px}

/* CASES */
.cases-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.case{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:24px;transition:.25s}
.case:hover{border-color:var(--gold)}
.case .met{font-size:15px;font-weight:800;color:var(--gold);margin-bottom:8px}
.case h4{font-size:17px;font-weight:700;margin-bottom:6px}
.case p{font-size:13px;color:var(--muted);line-height:1.7}
.case img{width:100%;border-radius:10px;margin-top:12px;max-height:160px;object-fit:cover}

/* COOP */
.coop-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.coop-card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:30px 26px}
.coop-card h3{font-size:20px;font-weight:800;margin-bottom:16px;color:var(--gold)}
.coop-card .price{font-size:24px;font-weight:800;color:var(--gold);margin-bottom:14px}
.coop-card ol,.coop-card ul{margin:0 0 14px 18px;color:var(--muted);font-size:14px;line-height:1.9}
.coop-card .note{font-size:13px;color:var(--muted);border-top:1px dashed var(--line);padding-top:12px}

/* SALON */
.salon-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.salon{background:var(--surface);border:1px solid var(--line);border-radius:16px;overflow:hidden;display:flex;flex-direction:column}
.salon img{width:100%;height:150px;object-fit:cover;background:#222}
.salon .body{padding:20px;flex:1;display:flex;flex-direction:column}
.salon h4{font-size:17px;font-weight:700;margin-bottom:6px}
.salon .when{font-size:13px;color:var(--gold);font-weight:700;margin-bottom:4px}
.salon .where{font-size:13px;color:var(--muted);margin-bottom:8px}
.salon p{font-size:13px;color:var(--muted);line-height:1.6;flex:1}
.salon .cnt{font-size:12px;color:var(--muted);margin:10px 0}
.salon button{align-self:flex-start}

/* CONTACT */
.contact-wrap{text-align:center}
.contact-wrap .section-subtitle{margin-left:auto;margin-right:auto}
.wechat-row{display:flex;gap:24px;justify-content:center;flex-wrap:wrap;margin:10px 0 18px}
.wx{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:18px;width:240px}
.wx .lbl{font-size:14px;font-weight:700;margin-bottom:10px}
.wx img{width:180px;height:180px;object-fit:contain;background:#fff;border-radius:8px}
.wx .ph{width:180px;height:180px;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:13px;border:1px dashed var(--line);border-radius:8px}
.contact-note{font-size:13px;color:var(--muted)}

/* FOOTER */
.footer{background:#070708;color:var(--muted);text-align:center;padding:38px 20px;font-size:13px;border-top:1px solid var(--line)}
.footer strong{color:var(--text)}

/* MODAL */
.modal{position:fixed;inset:0;background:rgba(0,0,0,.7);display:none;align-items:center;justify-content:center;z-index:2000}
.modal.open{display:flex}
.modal-box{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:28px;width:340px;max-width:90vw;position:relative}
.modal-box h3{font-size:18px;font-weight:800;margin-bottom:16px}
.modal-box input{width:100%;padding:11px 12px;margin-bottom:12px;background:var(--bg);border:1px solid var(--line);border-radius:8px;color:var(--text);font-size:14px}
.modal-box .btn-gold{width:100%}
.modal-tip{font-size:12px;color:var(--muted);margin-top:10px;line-height:1.6}
.modal-close{position:absolute;top:10px;right:14px;background:none;border:none;color:var(--muted);font-size:24px;cursor:pointer}

/* RESPONSIVE */
@media(max-width:980px){.cards-4{grid-template-columns:repeat(2,1fr)}.cases-grid{grid-template-columns:repeat(2,1fr)}.salon-grid{grid-template-columns:1fr 1fr}.coop-grid{grid-template-columns:1fr}}
@media(max-width:768px){
  .nav-links{display:none}
  .nav-links.open{display:flex;flex-direction:column;position:absolute;top:var(--nav-h);left:0;right:0;background:rgba(10,10,12,.97);padding:16px 28px;gap:14px;border-bottom:1px solid var(--line)}
  .nav-toggle{display:block}
  .section{padding:64px 16px}
  .about-grid{grid-template-columns:1fr;gap:32px}
  .cards-4,.cases-grid,.salon-grid,.coop-grid{grid-template-columns:1fr}
  .wechat-row{flex-direction:column;align-items:center}
}