/* ============================================================
   银色年华老年公寓 · Silver Epoch Senior Suites
   Stylesheet
   ============================================================ */

:root{
  --red:#9E2B25;
  --red-deep:#7A1F1B;
  --red-soft:#C2544B;
  --ink:#2A2622;
  --ink-soft:#5C544C;
  --cream:#F7F2EA;
  --cream-2:#FBF8F2;
  --line:rgba(42,38,34,.12);
  --gold:#B8884A;
  --shadow:0 18px 50px -20px rgba(42,38,34,.28);
  --serif:"Noto Serif SC","Songti SC",serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --latin:"Cormorant Garamond",serif;
  --maxw:1180px;
}

*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  font-family:var(--sans);
  color:var(--ink);
  background:var(--cream-2);
  line-height:1.75;
  font-weight:300;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 clamp(20px,5vw,48px);}

/* ---------- Reveal animation ---------- */
.reveal{opacity:0;transform:translateY(34px);transition:opacity .9s cubic-bezier(.16,.8,.3,1),transform .9s cubic-bezier(.16,.8,.3,1);transition-delay:var(--d,0s);}
.reveal.in{opacity:1;transform:none;}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none;}}

/* ============================================================
   Navigation
   ============================================================ */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  transition:background .4s ease,box-shadow .4s ease,padding .4s ease;
  padding:18px 0;
}
.nav.scrolled{
  background:rgba(251,248,242,.92);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:0 1px 0 var(--line);
  padding:12px 0;
}
.nav-inner{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 clamp(20px,5vw,48px);display:flex;align-items:center;gap:28px;}
.brand{display:flex;align-items:center;gap:12px;}
.brand-mark{display:flex;}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-cn{font-family:var(--serif);font-weight:600;font-size:19px;letter-spacing:2px;color:var(--ink);}
.nav:not(.scrolled) .brand-cn{color:#fff;text-shadow:0 1px 14px rgba(0,0,0,.35);}
.brand-en{font-family:var(--latin);font-size:11px;letter-spacing:3px;color:var(--red);font-weight:500;}
.nav:not(.scrolled) .brand-en{color:#F1D9B8;}
.nav-links{display:flex;gap:30px;margin-left:auto;}
.nav-links a{font-size:15px;font-weight:400;letter-spacing:1px;position:relative;padding:4px 0;color:var(--ink);transition:color .3s;}
.nav:not(.scrolled) .nav-links a{color:rgba(255,255,255,.92);text-shadow:0 1px 10px rgba(0,0,0,.3);}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:1.5px;background:var(--red);transition:width .35s ease;}
.nav:not(.scrolled) .nav-links a::after{background:#F1D9B8;}
.nav-links a:hover::after{width:100%;}
.nav-cta{
  border:1.5px solid var(--red);color:var(--red);
  font-size:14px;font-weight:500;letter-spacing:1px;
  padding:8px 20px;border-radius:30px;transition:all .3s ease;white-space:nowrap;
}
.nav-cta:hover{background:var(--red);color:#fff;}
.nav:not(.scrolled) .nav-cta{border-color:rgba(255,255,255,.7);color:#fff;}
.nav:not(.scrolled) .nav-cta:hover{background:#fff;color:var(--red);border-color:#fff;}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px;margin-left:auto;}
.nav-toggle span{width:24px;height:2px;background:var(--ink);transition:.3s;}
.nav:not(.scrolled) .nav-toggle span{background:#fff;}

/* ============================================================
   Hero
   ============================================================ */
.hero{position:relative;min-height:100vh;display:flex;flex-direction:column;justify-content:center;padding:120px 0 60px;overflow:hidden;}
.hero-bg{position:absolute;inset:0;z-index:-2;background:
  radial-gradient(1200px 600px at 78% -10%,rgba(158,43,37,.16),transparent 60%),
  linear-gradient(160deg,#3A2A26 0%,#5A332C 42%,#7A1F1B 100%);
}
.hero-bg::after{content:"";position:absolute;inset:0;opacity:.06;
  background-image:repeating-linear-gradient(45deg,#fff 0 1px,transparent 1px 22px);}
.hero-grid{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 clamp(20px,5vw,48px);
  display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(30px,5vw,70px);align-items:center;}
.hero-eyebrow{color:#F1D9B8;font-size:14px;letter-spacing:5px;font-weight:400;margin-bottom:22px;text-transform:uppercase;}
.hero-title{font-family:var(--serif);color:#fff;font-weight:600;line-height:1.18;font-size:clamp(38px,6vw,68px);letter-spacing:3px;margin-bottom:26px;}
.hero-title span{display:block;}
.hero-accent{color:#F1D9B8;}
.hero-sub{color:rgba(255,255,255,.86);font-size:clamp(15px,1.6vw,18px);font-weight:300;line-height:1.95;margin-bottom:36px;}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:48px;}
.btn{display:inline-block;font-size:15px;font-weight:500;letter-spacing:1.5px;padding:14px 34px;border-radius:34px;transition:all .35s ease;cursor:pointer;}
.btn-primary{background:#fff;color:var(--red-deep);box-shadow:0 10px 30px -12px rgba(0,0,0,.5);}
.btn-primary:hover{transform:translateY(-2px);background:#F1D9B8;}
.btn-ghost{border:1.5px solid rgba(255,255,255,.55);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;}
.hero-stats{list-style:none;display:flex;gap:clamp(24px,4vw,52px);}
.hero-stats li{display:flex;flex-direction:column;}
.hero-stats strong{font-family:var(--latin);font-size:clamp(34px,4.5vw,52px);font-weight:600;color:#fff;line-height:1;}
.hero-stats span{color:rgba(255,255,255,.7);font-size:13px;letter-spacing:1px;margin-top:8px;}
.hero-visual{position:relative;}
.hero-visual img{width:100%;border-radius:8px 8px 60px 8px;box-shadow:0 40px 80px -30px rgba(0,0,0,.6);}
.hero-tag{position:absolute;left:-18px;bottom:34px;background:#fff;padding:16px 24px;border-radius:6px;box-shadow:var(--shadow);border-left:4px solid var(--red);}
.hero-tag-en{display:block;font-family:var(--latin);font-size:11px;letter-spacing:2px;color:var(--gold);font-weight:600;}
.hero-tag-cn{display:block;font-family:var(--serif);font-size:15px;color:var(--ink);font-weight:500;margin-top:3px;}
.scroll-cue{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);width:26px;height:42px;border:1.5px solid rgba(255,255,255,.5);border-radius:14px;display:flex;justify-content:center;padding-top:8px;}
.scroll-cue span{width:3px;height:8px;border-radius:2px;background:#fff;animation:cue 1.6s infinite;}
@keyframes cue{0%{opacity:0;transform:translateY(-4px);}40%{opacity:1;}80%,100%{opacity:0;transform:translateY(12px);}}

/* ============================================================
   Sections (generic)
   ============================================================ */
.section{padding:clamp(70px,10vw,130px) 0;}
.section-tint{background:var(--cream);}
.sec-head{text-align:center;margin-bottom:clamp(44px,6vw,72px);}
.sec-kicker{font-family:var(--latin);font-size:14px;letter-spacing:5px;color:var(--gold);font-weight:600;text-transform:uppercase;margin-bottom:14px;}
.sec-title{font-family:var(--serif);font-size:clamp(28px,4.2vw,44px);font-weight:600;letter-spacing:3px;color:var(--ink);position:relative;display:inline-block;padding-bottom:18px;}
.sec-title::after{content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);width:46px;height:3px;background:var(--red);border-radius:2px;}
.sec-note{margin-top:18px;color:var(--ink-soft);font-size:15px;letter-spacing:2px;}
.sub-head{font-family:var(--serif);font-size:clamp(20px,2.6vw,26px);font-weight:500;letter-spacing:2px;margin:clamp(48px,6vw,72px) 0 30px;color:var(--ink);text-align:center;}

/* ---------- Overview ---------- */
.overview-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:clamp(30px,5vw,60px);align-items:start;}
.overview-lead p{font-size:clamp(16px,1.8vw,18px);line-height:2.1;color:var(--ink-soft);margin-bottom:22px;font-weight:300;}
.overview-lead em{font-style:normal;color:var(--red);font-weight:500;}
.overview-feature{background:#fff;border-radius:10px;padding:34px 32px;box-shadow:var(--shadow);border-top:4px solid var(--red);}
.overview-feature h3{font-family:var(--serif);font-size:20px;font-weight:600;letter-spacing:2px;margin-bottom:22px;color:var(--ink);}
.tag-list{list-style:none;display:flex;flex-direction:column;gap:14px;}
.tag-list li{position:relative;padding-left:26px;font-size:16px;color:var(--ink-soft);font-weight:400;}
.tag-list li::before{content:"";position:absolute;left:0;top:9px;width:9px;height:9px;background:var(--red);border-radius:50%;box-shadow:0 0 0 4px rgba(158,43,37,.12);}

.loc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.loc-item{background:#fff;border:1px solid var(--line);border-radius:10px;padding:24px 26px;display:flex;flex-direction:column;gap:6px;transition:transform .35s ease,box-shadow .35s ease;}
.loc-item:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.loc-dist{font-family:var(--latin);font-size:34px;font-weight:600;color:var(--red);line-height:1;}
.loc-dist small{font-size:15px;margin-left:3px;color:var(--ink-soft);font-family:var(--sans);}
.loc-name{font-size:15px;color:var(--ink-soft);letter-spacing:.5px;}

/* ---------- Culture ---------- */
.culture-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:clamp(50px,7vw,80px);}
.culture-card{background:#fff;border-radius:10px;padding:42px 34px;text-align:center;box-shadow:var(--shadow);position:relative;overflow:hidden;}
.culture-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--red),var(--gold));}
.culture-label{display:inline-block;font-family:var(--serif);font-size:15px;letter-spacing:4px;color:#fff;background:var(--red);padding:6px 22px;border-radius:24px;margin-bottom:24px;}
.culture-text{font-family:var(--serif);font-size:clamp(19px,2.4vw,24px);font-weight:500;line-height:1.8;color:var(--ink);letter-spacing:1px;}
.culture-values{font-size:clamp(16px,2vw,19px);color:var(--ink-soft);}

.brand-story{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,5vw,64px);background:#fff;border-radius:14px;padding:clamp(34px,5vw,56px);box-shadow:var(--shadow);}
.brand-story h3{font-family:var(--serif);font-size:21px;font-weight:600;letter-spacing:2px;color:var(--red);margin-bottom:20px;padding-bottom:14px;border-bottom:1px solid var(--line);}
.brand-story p{font-size:16px;line-height:2;color:var(--ink-soft);margin-bottom:14px;font-weight:300;}
.brand-story strong{color:var(--ink);font-weight:500;}
.brand-story-tagline{color:var(--red)!important;font-weight:400!important;font-family:var(--serif);font-size:17px!important;margin-top:8px;}

/* ---------- Facilities ---------- */
.fac-block{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(30px,5vw,70px);align-items:center;margin-bottom:clamp(60px,8vw,110px);}
.fac-block:last-child{margin-bottom:0;}
.fac-reverse .fac-text{order:2;}
.fac-tag{font-family:var(--serif);font-size:14px;letter-spacing:3px;color:var(--gold);font-weight:500;margin-bottom:14px;}
.fac-text h3{font-family:var(--serif);font-size:clamp(24px,3vw,32px);font-weight:600;letter-spacing:2px;color:var(--ink);margin-bottom:22px;position:relative;padding-left:18px;}
.fac-text h3::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;background:var(--red);border-radius:2px;}
.fac-text p{font-size:16px;line-height:2.05;color:var(--ink-soft);margin-bottom:16px;font-weight:300;}
.fac-img img{border-radius:8px 40px 8px 8px;box-shadow:var(--shadow);width:100%;object-fit:cover;}
.fac-reverse .fac-img img{border-radius:40px 8px 8px 8px;}
.fac-img-pair{display:grid;grid-template-columns:1.3fr 1fr;gap:14px;}
.fac-img-pair img{border-radius:8px;height:100%;}

/* ---------- Data (dark) ---------- */
.section-dark{background:linear-gradient(165deg,#3A2A26,#5A332C 60%,#7A1F1B);color:#fff;}
.sec-head-light .sec-title{color:#fff;}
.sec-head-light .sec-title::after{background:#F1D9B8;}
.sec-head-light .sec-kicker{color:#F1D9B8;}
.sec-head-light .sec-note{color:rgba(255,255,255,.7);}
.metric-row{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-bottom:20px;}
.metric{text-align:center;padding:28px 18px;border:1px solid rgba(255,255,255,.16);border-radius:10px;background:rgba(255,255,255,.04);}
.metric strong{display:block;font-family:var(--latin);font-size:clamp(34px,4.5vw,50px);font-weight:600;color:#F1D9B8;line-height:1;margin-bottom:12px;}
.metric span{font-size:14px;color:rgba(255,255,255,.78);letter-spacing:1px;}
.sub-head-light{color:#fff;}
.table-wrap{overflow-x:auto;border-radius:10px;border:1px solid rgba(255,255,255,.16);}
.data-table{width:100%;border-collapse:collapse;min-width:640px;}
.data-table th,.data-table td{padding:16px 18px;text-align:center;font-size:15px;font-weight:300;}
.data-table th{background:rgba(255,255,255,.08);color:#F1D9B8;font-weight:500;letter-spacing:1px;font-size:14px;}
.data-table th small{display:block;font-size:11px;color:rgba(255,255,255,.55);font-weight:300;margin-top:2px;letter-spacing:0;}
.data-table td{border-top:1px solid rgba(255,255,255,.1);color:rgba(255,255,255,.9);}
.data-table tbody tr{transition:background .3s;}
.data-table tbody tr:hover{background:rgba(255,255,255,.06);}
.data-table td:first-child{font-weight:400;color:#fff;}
.data-foot{margin-top:22px;font-size:14px;color:rgba(255,255,255,.62);text-align:center;letter-spacing:.5px;line-height:1.9;}

/* ---------- Life gallery ---------- */
.life-gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.life-item{position:relative;overflow:hidden;border-radius:10px;box-shadow:var(--shadow);}
.life-wide{grid-column:1 / -1;}
.life-item img{width:100%;height:100%;object-fit:cover;transition:transform .8s cubic-bezier(.16,.8,.3,1);}
.life-wide img{max-height:420px;}
.life-item:not(.life-wide) img{height:300px;}
.life-item:hover img{transform:scale(1.05);}
.life-item figcaption{position:absolute;left:0;bottom:0;right:0;padding:40px 26px 22px;
  background:linear-gradient(transparent,rgba(42,38,34,.82));color:#fff;
  font-family:var(--serif);font-size:18px;letter-spacing:2px;font-weight:500;}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:clamp(44px,6vw,64px);}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:40px 34px;text-align:center;transition:transform .35s ease,box-shadow .35s ease;}
.contact-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);}
.contact-icon{display:inline-flex;align-items:center;justify-content:center;width:56px;height:56px;border-radius:50%;background:rgba(158,43,37,.08);color:var(--red);margin-bottom:22px;}
.contact-card h3{font-family:var(--serif);font-size:19px;font-weight:600;letter-spacing:2px;margin-bottom:14px;color:var(--ink);}
.contact-card p{font-size:16px;color:var(--ink-soft);font-weight:300;}
.contact-link{color:var(--red);font-weight:500;font-size:18px;letter-spacing:.5px;transition:color .3s;}
.contact-link:hover{color:var(--red-deep);text-decoration:underline;}
.contact-sub{font-size:13px!important;color:var(--ink-soft);opacity:.75;margin-top:6px;}
.contact-cta{text-align:center;background:var(--cream);border-radius:14px;padding:clamp(40px,6vw,60px);}
.contact-cta h3{font-family:var(--serif);font-size:clamp(20px,2.8vw,28px);font-weight:500;letter-spacing:2px;margin-bottom:28px;color:var(--ink);}
.contact-cta .btn-primary{background:var(--red);color:#fff;}
.contact-cta .btn-primary:hover{background:var(--red-deep);}

/* ---------- Footer ---------- */
.footer{background:#2A2622;color:rgba(255,255,255,.7);padding:56px 0 40px;}
.footer-inner{display:flex;flex-direction:column;align-items:center;gap:26px;text-align:center;}
.footer-brand{display:flex;flex-direction:column;gap:6px;}
.footer-brand .brand-cn{color:#fff;font-size:22px;}
.footer-company{font-size:13px;color:rgba(255,255,255,.55);letter-spacing:1px;}
.footer-links{display:flex;gap:24px;flex-wrap:wrap;justify-content:center;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.7);letter-spacing:1px;transition:color .3s;}
.footer-links a:hover{color:#F1D9B8;}
.footer-meta{font-size:13px;line-height:1.9;color:rgba(255,255,255,.45);letter-spacing:.5px;}

/* ============================================================
   Responsive
   ============================================================ */
@media(max-width:980px){
  .hero-grid{grid-template-columns:1fr;text-align:center;}
  .hero-copy{order:2;}
  .hero-visual{order:1;max-width:440px;margin:0 auto;}
  .hero-actions,.hero-stats{justify-content:center;}
  .hero-tag{left:50%;transform:translateX(-50%);bottom:-22px;}
  .overview-grid,.brand-story{grid-template-columns:1fr;}
  .fac-block{grid-template-columns:1fr;gap:28px;}
  .fac-reverse .fac-text{order:0;}
  .fac-img img,.fac-reverse .fac-img img{border-radius:8px 24px 8px 8px;}
  .metric-row{grid-template-columns:repeat(2,1fr);}
  .culture-grid{grid-template-columns:1fr;}
  .contact-grid{grid-template-columns:1fr;}
}
@media(max-width:760px){
  .nav-links{
    position:fixed;top:0;right:0;bottom:0;width:74%;max-width:320px;
    background:rgba(40,36,34,.97);backdrop-filter:blur(10px);
    flex-direction:column;justify-content:center;gap:30px;padding:40px;
    transform:translateX(100%);transition:transform .4s cubic-bezier(.16,.8,.3,1);margin:0;
  }
  .nav-links.open{transform:translateX(0);}
  .nav-links a{font-size:19px;color:#fff!important;text-shadow:none!important;}
  .nav-links a::after{display:none;}
  .nav-cta{display:none;}
  .nav-toggle{display:flex;}
  .nav-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg);}
  .nav-toggle.active span:nth-child(2){opacity:0;}
  .nav-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
  .loc-grid{grid-template-columns:repeat(2,1fr);}
  .life-gallery{grid-template-columns:1fr;}
  .life-item:not(.life-wide) img{height:240px;}
  .fac-img-pair{grid-template-columns:1fr 1fr;}
}
@media(max-width:440px){
  .hero-stats{gap:18px;}
  .metric-row{grid-template-columns:1fr;}
  .loc-grid{grid-template-columns:1fr;}
  .hero-title{letter-spacing:2px;}
}