:root{
  --ink:#0d0e11; --ink2:#14161c; --ink3:#1b1e26;
  --paper:#f7f4ee; --tan:#f0ebe0;
  --gold:#c8a15a; --gold2:#a9803e; --gold-soft:rgba(200,161,90,.32);
  --tx:#26262a; --mut:#6e6e75;
  --serif:'Noto Serif SC','Source Han Serif SC','STZhongsong','SimSun',serif;
  --sans:'PingFang SC','Microsoft YaHei','Hiragino Sans GB',sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--tx);background:var(--paper);line-height:1.75;font-size:15.5px}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
.wrap{max-width:1280px;margin:0 auto;padding:0 32px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:90;background:rgba(13,14,17,.94);backdrop-filter:blur(8px);border-bottom:1px solid rgba(200,161,90,.18);transition:background .3s}
.site-header.solid{background:#0d0e11;box-shadow:0 6px 24px rgba(0,0,0,.35)}
.header-inner{display:flex;align-items:center;gap:26px;height:78px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-seal{width:52px;height:52px;border:1.5px solid var(--gold);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--gold);font-family:var(--serif);font-size:19px;letter-spacing:.05em;line-height:1.1;text-align:center;flex-shrink:0}
.brand-text{display:flex;flex-direction:column}
.brand-text strong{color:#f2ede2;font-family:var(--serif);font-size:22px;font-weight:600;letter-spacing:.08em;white-space:nowrap}
.brand-text > span{color:rgba(242,237,226,.45);font-size:10.5px;letter-spacing:.16em;white-space:nowrap}
.brand-text .bn-short{display:none}
.nav{display:flex;gap:4px;margin-left:auto}
.nav a{color:rgba(242,237,226,.78);font-size:14.5px;padding:10px 13px;position:relative;white-space:nowrap;letter-spacing:.02em}
.nav a:hover{color:var(--gold)}
.nav a.on{color:var(--gold)}
.nav a.on::after{content:'';position:absolute;left:13px;right:13px;bottom:4px;height:1px;background:var(--gold)}
.header-tel{display:flex;align-items:center;gap:8px;color:var(--gold);border:1px solid var(--gold-soft);padding:9px 16px;border-radius:999px;font-size:14.5px;white-space:nowrap;flex-shrink:0;transition:background .25s}
.header-tel:hover{background:rgba(200,161,90,.12)}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;margin-left:auto;padding:10px}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--gold);margin:5px 0;transition:.3s}

/* ---------- hero ---------- */
.hero{background:var(--ink);color:#f2ede2;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 60% 80% at 78% 30%,rgba(200,161,90,.10),transparent 60%)}
.hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center;padding-top:96px;padding-bottom:96px;position:relative}
.kicker{display:inline-block;color:var(--gold);font-size:12.5px;letter-spacing:.3em;border:1px solid var(--gold-soft);padding:7px 16px;margin-bottom:26px}
.hero h1{font-family:var(--serif);font-size:46px;line-height:1.32;font-weight:600;letter-spacing:.04em;margin-bottom:22px}
.hero-sub{color:rgba(242,237,226,.68);font-size:16px;max-width:520px;margin-bottom:36px}
.hero-btns{display:flex;gap:14px}
.btn{display:inline-block;padding:13px 30px;font-size:15px;letter-spacing:.06em;border-radius:2px;transition:.25s}
.btn-gold{background:linear-gradient(135deg,var(--gold),var(--gold2));color:#151005;font-weight:600}
.btn-gold:hover{filter:brightness(1.08);transform:translateY(-1px)}
.btn-line{border:1px solid rgba(242,237,226,.35);color:#f2ede2}
.btn-line:hover{border-color:var(--gold);color:var(--gold)}
.hero-pic{position:relative}
.hero-pic figure{background:var(--paper);padding:14px;border:1px solid var(--gold-soft);box-shadow:0 30px 70px rgba(0,0,0,.5)}
.hero-pic img{width:100%}
.seal-badge{position:absolute;left:-34px;bottom:38px;width:104px;height:104px;border-radius:50%;background:radial-gradient(circle at 32% 28%,#d9b876,var(--gold2));color:#1c1305;display:flex;align-items:center;justify-content:center;text-align:center;font-family:var(--serif);font-size:21px;line-height:1.25;font-weight:600;box-shadow:0 14px 34px rgba(0,0,0,.45);letter-spacing:.06em}
.vertical{writing-mode:vertical-rl;color:var(--gold-soft);font-family:var(--serif);letter-spacing:.5em;font-size:20px;pointer-events:none;user-select:none}

/* ---------- stats ---------- */
.stats{background:var(--ink2);border-top:1px solid rgba(200,161,90,.16);border-bottom:1px solid rgba(200,161,90,.16)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding-top:40px;padding-bottom:40px}
.stat{text-align:center;color:#f2ede2}
.stat .num{font-family:var(--serif);font-size:44px;font-weight:600;color:var(--gold)}
.stat i{font-style:normal;color:var(--gold);font-size:17px;margin-left:4px}
.stat em{display:block;font-style:normal;color:rgba(242,237,226,.55);font-size:13.5px;letter-spacing:.14em;margin-top:4px}

/* ---------- sections ---------- */
.sec{padding:88px 0}
.sec-dark{background:var(--ink);color:#f2ede2}
.sec-dark .sec-head h2{color:#f2ede2}
.sec-tan{background:var(--tan)}
.sec-head{max-width:760px;margin-bottom:44px}
.sec-head .kicker{margin-bottom:14px}
.sec-head h2{font-family:var(--serif);font-size:32px;font-weight:600;letter-spacing:.05em}
.sec-sub{color:var(--mut);margin-top:10px;font-size:15px}
.sec-dark .sec-sub{color:rgba(242,237,226,.6)}

/* ---------- cards ---------- */
.cards3{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.card3{background:#fff;border:1px solid rgba(0,0,0,.07);transition:.3s;display:block;overflow:hidden}
.card3:hover{transform:translateY(-5px);box-shadow:0 24px 50px rgba(0,0,0,.14)}
.card3 img{aspect-ratio:4/3;object-fit:cover;width:100%}
.c3-body{padding:24px 24px 26px}
.c3-body h3{font-family:var(--serif);font-size:20px;margin-bottom:8px;letter-spacing:.04em}
.c3-body p{color:var(--mut);font-size:14px;min-height:66px}
.more{color:var(--gold2);font-size:14px;letter-spacing:.05em}

/* ---------- features ---------- */
.feat4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.feat3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:26px}
.feat{border:1px solid var(--gold-soft);padding:26px 22px;background:rgba(255,255,255,.02)}
.sec .feat{background:#fff;border-color:rgba(0,0,0,.07);box-shadow:0 10px 30px rgba(0,0,0,.05)}
.sec-dark .feat{background:rgba(255,255,255,.03);border-color:var(--gold-soft);box-shadow:none}
.sec-dark .feat h3{color:#f2ede2}
.feat b{font-family:var(--serif);color:var(--gold);font-size:26px;display:block;margin-bottom:10px}
.feat h3{font-family:var(--serif);font-size:18px;margin-bottom:8px;letter-spacing:.04em}
.feat p{font-size:13.5px;color:var(--mut)}
.sec-dark .feat p{color:rgba(242,237,226,.62)}

/* ---------- gallery ---------- */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.gallery .gitem{background:#fff;border:1px solid rgba(0,0,0,.07);padding:10px;cursor:zoom-in;transition:.3s}
.gallery .gitem:hover{box-shadow:0 18px 44px rgba(0,0,0,.13);transform:translateY(-3px)}
.gallery img{aspect-ratio:4/3;object-fit:cover;width:100%}
.gallery figcaption{text-align:center;font-size:13.5px;color:var(--mut);padding:10px 4px 4px;letter-spacing:.03em}
.sec-dark .gallery .gitem{background:#161920;border-color:rgba(200,161,90,.16)}
.sec-dark .gallery figcaption{color:rgba(242,237,226,.62)}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;counter-reset:st}
.steps li{background:#fff;border:1px solid rgba(0,0,0,.07);border-top:2px solid var(--gold);padding:24px 20px}
.steps b{font-family:var(--serif);color:var(--gold2);font-size:22px}
.steps h4{font-family:var(--serif);font-size:17px;margin:8px 0 6px}
.steps p{font-size:13px;color:var(--mut)}

/* ---------- prose ---------- */
.prose{max-width:860px}
.prose p{margin-bottom:16px}
.prose strong{color:var(--gold2)}
.quote{font-family:var(--serif);font-size:26px;color:var(--gold);letter-spacing:.1em;margin-bottom:18px}
.prose2{max-width:980px}
.prose2 p{margin-bottom:16px}
.prose2 strong{color:var(--gold2)}
.wide-pic{margin-bottom:34px;border:1px solid var(--gold-soft);padding:10px;background:#fff}
.wide-pic img{width:100%}

/* ---------- flow / table / faq ---------- */
.flow-line{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin:30px 0 8px}
.flow-line span{background:#fff;border:1px solid var(--gold-soft);color:var(--gold2);font-family:var(--serif);padding:10px 20px;letter-spacing:.08em}
.flow-line i{color:var(--gold);font-style:normal}
.tbl-wrap{overflow-x:auto}
.ptable{width:100%;border-collapse:collapse;background:#fff;font-size:14.5px}
.ptable th,.ptable td{border:1px solid rgba(0,0,0,.1);padding:14px 18px;text-align:left}
.ptable th{background:var(--ink);color:var(--gold);font-family:var(--serif);letter-spacing:.08em;font-weight:600}
.ptable td:first-child{font-weight:600;white-space:nowrap}
.faq details{border:1px solid var(--gold-soft);background:rgba(255,255,255,.02);margin-bottom:14px}
.faq summary{cursor:pointer;padding:18px 22px;font-family:var(--serif);font-size:16.5px;color:#f2ede2;letter-spacing:.03em;list-style:none;position:relative}
.faq summary::after{content:'+';position:absolute;right:22px;color:var(--gold);font-size:20px}
.faq details[open] summary::after{content:'−'}
.faq details p{padding:0 22px 18px;color:rgba(242,237,226,.66);font-size:14.5px}

/* ---------- page head ---------- */
.page-head{background:var(--ink);color:#f2ede2;padding:64px 0 56px;position:relative}
.page-head h1{font-family:var(--serif);font-size:36px;font-weight:600;letter-spacing:.06em}
.page-head p{color:rgba(242,237,226,.6);margin-top:10px}
.crumb{margin-top:20px;font-size:13px;color:rgba(242,237,226,.45);letter-spacing:.05em}
.crumb a:hover{color:var(--gold)}
.crumb span{margin:0 8px}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:40px;align-items:start}
.contact-card{background:#fff;border:1px solid rgba(0,0,0,.07);border-top:3px solid var(--gold);padding:36px;box-shadow:0 12px 36px rgba(0,0,0,.06)}
.contact-card h3,.contact-form h3{font-family:var(--serif);font-size:22px;margin-bottom:18px;letter-spacing:.05em}
.big-tel a{font-family:var(--serif);font-size:34px;color:var(--gold2);letter-spacing:.06em}
.contact-card p{margin-bottom:12px;color:var(--mut)}
.contact-card p a{color:var(--gold2)}
.contact-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.contact-tags span{border:1px solid var(--gold-soft);color:var(--gold2);font-size:13px;padding:6px 14px;letter-spacing:.05em}
.contact-form{background:#fff;border:1px solid rgba(0,0,0,.07);padding:36px}
.contact-form label{display:block;font-size:13.5px;color:var(--mut);margin-bottom:16px}
.contact-form input,.contact-form select,.contact-form textarea{width:100%;margin-top:6px;border:1px solid rgba(0,0,0,.14);padding:11px 14px;font-size:14.5px;font-family:var(--sans);background:var(--paper);color:var(--tx)}
.contact-form input:focus,.contact-form textarea:focus,.contact-form select:focus{outline:none;border-color:var(--gold)}
.contact-form .btn{width:100%;border:none;cursor:pointer}
.form-tip{color:var(--gold2);font-size:14px;min-height:20px}
.form-note{font-size:12.5px;color:var(--mut)}

/* ---------- cta ---------- */
.cta-band{background:linear-gradient(120deg,var(--ink2),var(--ink3));color:#f2ede2;border-top:1px solid var(--gold-soft)}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px;padding-top:56px;padding-bottom:56px}
.cta-inner h2{font-family:var(--serif);font-size:26px;letter-spacing:.05em;margin-bottom:8px}
.cta-inner p{color:rgba(242,237,226,.6);font-size:14.5px}
.cta-tel{display:block;text-align:center;border:1px solid var(--gold);padding:16px 34px;font-family:var(--serif);font-size:26px;color:var(--gold);letter-spacing:.08em;white-space:nowrap;transition:.25s}
.cta-tel:hover{background:rgba(200,161,90,.12)}
.cta-tel small{display:block;font-family:var(--sans);font-size:11px;letter-spacing:.3em;color:rgba(242,237,226,.5);margin-bottom:2px}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(242,237,226,.62);padding:70px 0 0;border-top:1px solid rgba(200,161,90,.2)}
.footer-grid{display:grid;grid-template-columns:1.3fr .8fr 1fr;gap:44px;padding-bottom:44px}
.footer-brand p{font-size:13.5px;margin-top:18px;line-height:1.9}
.footer-col h4{font-family:var(--serif);color:#f2ede2;font-size:17px;letter-spacing:.12em;margin-bottom:16px}
.footer-col li{margin-bottom:9px;font-size:13.5px}
.footer-col a:hover{color:var(--gold)}
.footer-kw{border-top:1px solid rgba(200,161,90,.14);padding:22px 0;font-size:12.5px;line-height:2.1}
.footer-kw a{margin-right:18px;color:rgba(242,237,226,.42)}
.footer-kw a:hover{color:var(--gold)}
.footer-bottom{border-top:1px solid rgba(200,161,90,.14);padding:20px 0;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;font-size:12.5px;color:rgba(242,237,226,.4)}
.footer-bottom a:hover{color:var(--gold)}

/* ---------- reveal / lightbox ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s ease,transform .8s ease}
.reveal.in{opacity:1;transform:none}
.lightbox{position:fixed;inset:0;background:rgba(10,10,12,.9);display:none;align-items:center;justify-content:center;z-index:200;padding:40px;cursor:zoom-out}
.lightbox.on{display:flex}
.lightbox img{max-width:92vw;max-height:88vh;box-shadow:0 30px 80px rgba(0,0,0,.6)}

/* ---------- mobile one-tap call bar ---------- */
.m-call{display:none;position:fixed;left:0;right:0;bottom:0;z-index:95;align-items:center;gap:9px;padding:8px 14px calc(8px + env(safe-area-inset-bottom,0px));background:rgba(13,14,17,.97);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-top:1px solid rgba(200,161,90,.28);box-shadow:0 -8px 26px rgba(0,0,0,.45)}
.m-call a{display:flex;align-items:center;justify-content:center;gap:9px;height:52px;border-radius:9px;text-decoration:none;transition:transform .18s,opacity .18s}
.m-call a:active{transform:scale(.98);opacity:.9}
.m-call-tel{flex:1;background:linear-gradient(135deg,#e3c68c,#c8a15a 52%,#a9803e);color:#171208;box-shadow:0 5px 16px rgba(200,161,90,.3)}
.m-call-tel .ic{display:flex;flex-shrink:0}
.m-call-tel .tx{display:flex;flex-direction:column;line-height:1.16}
.m-call-tel .tx small{font-size:10.5px;letter-spacing:.18em;opacity:.72;font-weight:600}
.m-call-tel .tx b{font-family:var(--serif);font-size:18px;font-weight:600;letter-spacing:.06em}
.m-call-msg{flex:0 0 auto;min-width:104px;padding:0 14px;border:1px solid var(--gold-soft);color:var(--gold);font-size:14px;letter-spacing:.04em;background:rgba(200,161,90,.06)}
.m-call-msg svg{opacity:.85}

/* ---------- responsive ---------- */
@media (max-width:1420px){.brand-text > span{display:none}}
@media (max-width:1180px){
  .nav a{padding:10px 8px;font-size:13.5px}
  .hero h1{font-size:38px}
  .feat4{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:920px){
  .header-tel{display:none}
  .m-call{display:flex}
  body{padding-bottom:76px}
  .nav{position:fixed;top:78px;left:0;right:0;background:#0d0e11;flex-direction:column;padding:14px 24px 24px;gap:2px;transform:translateY(-8px);opacity:0;pointer-events:none;transition:.3s;border-bottom:1px solid var(--gold-soft)}
  .nav.open{transform:none;opacity:1;pointer-events:auto}
  .nav a{padding:13px 4px;font-size:15px}
  .nav-toggle{display:block}
  .hero-inner{grid-template-columns:1fr;gap:44px;padding-top:64px;padding-bottom:64px}
  .hero h1{font-size:32px}
  .seal-badge{left:auto;right:18px;bottom:-30px;width:88px;height:88px;font-size:18px}
  .cards3,.gallery,.feat4,.feat3{grid-template-columns:1fr 1fr}
  .stats-grid{grid-template-columns:1fr 1fr;gap:14px}
  .steps{grid-template-columns:1fr 1fr}
  .contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .cta-inner{flex-direction:column;text-align:center}
  .sec{padding:64px 0}
  .sec-head h2{font-size:26px}
  .vertical{display:none}
}
@media (max-width:620px){
  .wrap{padding:0 20px}
  .brand{gap:11px}
  .brand-seal{width:46px;height:46px;font-size:17px}
  .brand-text strong{font-size:23px;letter-spacing:.05em;line-height:1.2}
  .brand-text .bn-full{display:none}
  .brand-text .bn-short{display:inline}
  .header-inner{height:70px;gap:10px}
  .nav{top:70px}
  .nav-toggle{padding:8px 4px}
  .cards3,.gallery,.feat4,.feat3,.steps,.stats-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;gap:8px;text-align:center}
  .hero h1{font-size:27px}
  .stat .num{font-size:36px}
  .hero-btns{flex-direction:column}
  .btn{text-align:center}
}