/* ==========================================================================
   喵星人 — 云吸猫趣味站
   Warm cream + terracotta editorial system
   ========================================================================== */

:root{
  --cream:#FAF6EE;
  --cream-2:#F5EFE3;
  --cream-3:#EFDFCB;
  --card:#FFFFFF;
  --ink:#1F1E1B;
  --ink-2:#5C5A55;
  --ink-3:#8A8078;
  --ink-4:#B9ADA1;
  --line:#E8DCD0;
  --terra:#E07856;
  --terra-dark:#B4532F;
  --honey:#D4A574;
  --sage:#87A878;
  --espresso:#3B2F28;

  --r-card:20px;
  --r-plate:34px;
  --shadow-card:0 2px 4px rgba(63,45,32,.04), 0 18px 40px -24px rgba(63,45,32,.22);
  --shadow-plate:0 40px 80px -44px rgba(63,45,32,.5);

  --font-display:"ZCOOL KuaiLe","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-body:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-round:"Baloo 2","Noto Sans SC","PingFang SC",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}

html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}

body{
  margin:0;
  background:var(--cream);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.7;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}

img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer;}
h1,h2,h3,h4{margin:0;font-weight:400;}
p{margin:0;}
figure{margin:0;}
::selection{background:var(--terra);color:#fff;}

.wrap{width:min(1200px,100% - 64px);margin-inline:auto;}

/* ---------- grain atmosphere ---------- */
.grain{
  position:fixed;inset:0;z-index:9999;pointer-events:none;opacity:.42;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='.34'/%3E%3C/svg%3E");
  mix-blend-mode:multiply;
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;padding:17px 32px;
  font-size:16px;font-weight:500;line-height:1;
  transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s,background-color .22s,color .22s;
  white-space:nowrap;
}
.btn-primary{
  background:var(--terra);color:#fff;
  box-shadow:0 10px 24px -10px rgba(224,120,86,.85);
}
.btn-primary:hover{background:#D66A46;transform:translateY(-2px);box-shadow:0 16px 32px -12px rgba(224,120,86,.95);}
.btn-ghost{border:1px solid #CFC4B8;color:var(--ink);}
.btn-ghost:hover{background:#fff;border-color:var(--ink);transform:translateY(-2px);}
.btn-dark{background:var(--ink);color:var(--cream);}
.btn-dark:hover{background:#000;transform:translateY(-2px);}
.btn-sm{padding:13px 22px;font-size:14px;}
.btn-block{width:100%;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(250,246,238,.82);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .3s,box-shadow .3s;
}
.site-header.is-stuck{
  border-bottom-color:var(--line);
  box-shadow:0 8px 24px -20px rgba(63,45,32,.45);
}
.header-inner{
  height:80px;display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.brand{display:flex;align-items:center;gap:10px;}
.brand-mark{width:34px;height:34px;flex:none;}
.brand-name{
  font-family:var(--font-display);font-size:26px;letter-spacing:.02em;color:var(--ink);
}
.nav{display:flex;align-items:center;gap:38px;}
.nav-link{
  font-size:16px;font-weight:500;color:var(--ink-2);
  position:relative;padding:6px 0;transition:color .2s;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;
  background:var(--terra);border-radius:2px;transition:right .28s cubic-bezier(.2,.7,.3,1);
}
.nav-link:hover,.nav-link.is-active{color:var(--ink);}
.nav-link:hover::after,.nav-link.is-active::after{right:0;}

/* ---------- hero ---------- */
.hero{
  position:relative;
  padding:72px 0 112px;
  background:
    radial-gradient(120% 90% at 78% -10%, #FBEBD8 0%, rgba(251,235,216,0) 62%),
    radial-gradient(90% 70% at 8% 4%, #FDF3E6 0%, rgba(253,243,230,0) 55%),
    var(--cream);
}
.hero-head{display:flex;flex-direction:column;align-items:flex-start;gap:26px;}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 18px;border-radius:999px;
  background:var(--cream-2);border:1px solid #EBBFA8;
  color:var(--terra-dark);font-size:14px;font-weight:500;line-height:1;
}
.badge-dot{width:8px;height:8px;border-radius:50%;background:var(--terra);animation:pulse 2.4s ease-in-out infinite;}
@keyframes pulse{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.35);opacity:.55}}

.hero-title{
  font-family:var(--font-display);
  font-size:clamp(46px,7.6vw,94px);
  line-height:1.06;
  letter-spacing:.01em;
  display:flex;flex-direction:column;
}
.hero-title .accent{color:var(--terra);}

.hero-sub{
  font-size:20px;line-height:1.75;color:var(--ink-2);max-width:620px;
}
.hero-ctas{display:flex;flex-wrap:wrap;gap:14px;}
.hero-trust{
  display:flex;align-items:center;gap:10px;
  font-size:15px;color:var(--ink-3);
}
.hero-trust b{font-family:var(--font-round);font-weight:700;color:var(--ink);}
.trust-pulse{
  width:9px;height:9px;border-radius:50%;background:var(--sage);flex:none;
  box-shadow:0 0 0 0 rgba(135,168,120,.7);animation:ring 2.6s ease-out infinite;
}
@keyframes ring{0%{box-shadow:0 0 0 0 rgba(135,168,120,.65)}70%{box-shadow:0 0 0 10px rgba(135,168,120,0)}100%{box-shadow:0 0 0 0 rgba(135,168,120,0)}}

.hero-media{margin-top:64px;}
.hero-media-inner{position:relative;}
.hero-backdrop{
  position:absolute;top:-24px;right:-24px;bottom:24px;left:24px;
  border-radius:var(--r-plate);
  background:linear-gradient(140deg,#F3E4D1 0%,#EAD5BC 100%);
}
.hero-figure{
  position:relative;border-radius:var(--r-plate);overflow:hidden;
  box-shadow:var(--shadow-plate);
  background:var(--cream-3);
}
.hero-figure img{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  transition:transform 1.1s cubic-bezier(.2,.7,.3,1);
}
.hero-figure:hover img{transform:scale(1.03);}
.hero-figure figcaption{
  position:absolute;left:32px;bottom:28px;
  padding:11px 18px 11px 16px;border-radius:999px;
  background:rgba(31,30,27,.62);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  color:#F6F1E8;font-size:14px;line-height:1;
  border-left:3px solid var(--terra);
}

/* ---------- gallery ---------- */
.gallery{padding:104px 0 112px;background:var(--card);}
.section-head{display:flex;flex-direction:column;gap:18px;}
.kicker{
  display:inline-flex;align-items:center;gap:12px;
  font-size:13px;font-weight:500;letter-spacing:.04em;color:var(--terra-dark);
}
.kicker i{display:block;width:36px;height:2px;border-radius:1px;background:var(--terra);}
.section-title{
  font-family:var(--font-display);
  font-size:clamp(34px,4.2vw,54px);
  line-height:1.22;
}
.section-desc{font-size:18px;line-height:1.8;color:var(--ink-2);max-width:720px;}

.filters{display:flex;flex-wrap:wrap;gap:10px;margin-top:44px;}
.chip{
  padding:10px 20px;border-radius:999px;
  border:1px solid var(--line);background:var(--card);
  font-size:14px;font-weight:500;color:var(--ink-2);
  transition:all .22s;
}
.chip:hover{border-color:var(--ink-4);color:var(--ink);}
.chip.is-on{background:var(--ink);border-color:var(--ink);color:var(--cream);}

.grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px 24px;
  margin-top:40px;
}
.card{
  cursor:pointer;
  transition:opacity .35s ease,transform .35s ease;
}
.card.is-hidden{display:none;}
.card-media{
  border-radius:var(--r-card);overflow:hidden;background:var(--cream-2);
  box-shadow:var(--shadow-card);
}
.card-media img{
  width:100%;aspect-ratio:5/6;object-fit:cover;
  transition:transform .7s cubic-bezier(.2,.7,.3,1);
}
.card:hover .card-media img{transform:scale(1.06);}
.card-body{padding:20px 2px 0;display:flex;flex-direction:column;gap:7px;}
.card-name{font-size:20px;font-weight:700;letter-spacing:.01em;}
.card-en{
  font-family:var(--font-round);font-size:12px;font-weight:600;
  letter-spacing:.08em;color:var(--ink-4);line-height:1;
}
.card-trait{font-size:14px;font-weight:500;color:var(--terra);}
.card-desc{font-size:14px;line-height:1.68;color:#6E665E;}

.grid-note{
  margin-top:36px;font-size:14px;color:var(--ink-3);
  min-height:24px;
}

/* ---------- footer ---------- */
.site-footer{background:var(--espresso);color:var(--cream);overflow:hidden;}
.footer-top{
  display:flex;justify-content:space-between;gap:80px;
  padding:88px 0 56px;
}
.footer-brand{max-width:380px;}
.footer-logo{display:flex;align-items:center;gap:10px;}
.footer-wordmark{font-family:var(--font-display);font-size:28px;}
.footer-tagline{margin-top:22px;font-size:15px;line-height:1.85;color:#A2938A;}
.footer-cols{display:flex;gap:76px;}
.footer-col{display:flex;flex-direction:column;gap:15px;}
.footer-col h4{font-size:14px;font-weight:500;color:var(--cream);}
.footer-col a,.footer-col span{font-size:15px;color:#A2938A;transition:color .2s;}
.footer-col a:hover{color:var(--terra);}

.footer-mega{
  font-family:var(--font-display);
  font-size:clamp(96px,15vw,190px);
  line-height:1;white-space:nowrap;overflow:hidden;
  color:#4E3E34;padding-left:40px;
  user-select:none;pointer-events:none;
}
.footer-bottom{padding-bottom:36px;}
.footer-rule{height:1px;background:#4B3C33;}
.footer-bottom-row{
  display:flex;justify-content:space-between;align-items:center;gap:24px;
  padding-top:26px;font-size:13px;color:#8A7A70;
}
.footer-legal{display:flex;gap:28px;}

/* ---------- lightbox ---------- */
.lightbox{position:fixed;inset:0;z-index:200;display:grid;place-items:center;padding:24px;}
.lightbox[hidden]{display:none;}
.lightbox-veil{
  position:absolute;inset:0;background:rgba(40,28,20,.62);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  animation:fade .3s ease both;
}
@keyframes fade{from{opacity:0}to{opacity:1}}
.lightbox-card{
  position:relative;z-index:1;
  width:min(920px,100%);max-height:calc(100vh - 48px);
  display:grid;grid-template-columns:1.05fr .95fr;
  background:var(--cream);border-radius:26px;overflow:hidden;
  box-shadow:0 60px 120px -40px rgba(0,0,0,.7);
  animation:pop .38s cubic-bezier(.2,.8,.3,1) both;
}
@keyframes pop{from{opacity:0;transform:translateY(24px) scale(.97)}to{opacity:1;transform:none}}
.lightbox-media{background:var(--cream-2);}
.lightbox-media img{width:100%;height:100%;object-fit:cover;min-height:320px;}
.lightbox-body{
  padding:40px 38px;display:flex;flex-direction:column;align-items:flex-start;gap:10px;
  overflow-y:auto;
}
.lightbox-kicker{font-size:13px;font-weight:500;color:var(--terra);letter-spacing:.03em;}
.lightbox-name{font-family:var(--font-display);font-size:38px;line-height:1.2;}
.lightbox-en{
  font-family:var(--font-round);font-size:12px;font-weight:600;
  letter-spacing:.1em;color:var(--ink-4);
}
.lightbox-trait{font-size:15px;font-weight:500;color:var(--terra-dark);}
.lightbox-desc{font-size:16px;line-height:1.8;color:var(--ink-2);margin-top:4px;}
.lightbox-body .btn{margin-top:22px;}
.lightbox-close{
  position:absolute;top:14px;right:16px;z-index:2;
  width:38px;height:38px;border-radius:50%;
  background:rgba(250,246,238,.9);color:var(--ink);
  font-size:22px;line-height:1;display:grid;place-items:center;
  transition:background .2s,transform .2s;
}
.lightbox-close:hover{background:#fff;transform:rotate(90deg);}

/* ---------- reveal ---------- */
html.js .reveal{opacity:0;transform:translateY(22px);}
html.js .reveal.is-in{
  opacity:1;transform:none;
  transition:opacity .7s cubic-bezier(.2,.7,.3,1),transform .7s cubic-bezier(.2,.7,.3,1);
}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .grid{grid-template-columns:repeat(3,1fr);}
  .footer-cols{gap:48px;}
}
@media (max-width:900px){
  .nav{display:none;}
  .footer-top{flex-direction:column;gap:48px;}
  .lightbox-card{grid-template-columns:1fr;}
  .lightbox-media img{min-height:220px;max-height:260px;}
}
@media (max-width:720px){
  .wrap{width:min(1200px,100% - 40px);}
  .header-inner{height:68px;}
  .brand-name{font-size:22px;}
  .btn-sm{padding:11px 18px;font-size:13px;}
  .hero{padding:48px 0 76px;}
  .hero-sub{font-size:17px;}
  .hero-media{margin-top:40px;}
  .hero-backdrop{top:-14px;right:-14px;bottom:14px;left:14px;}
  .hero-figure figcaption{left:16px;bottom:16px;font-size:12px;padding:9px 14px 9px 12px;}
  .gallery{padding:72px 0 80px;}
  .grid{grid-template-columns:repeat(2,1fr);gap:20px 16px;}
  .card-name{font-size:17px;}
  .card-desc{font-size:13px;}
  .filters{margin-top:32px;}
  .footer-top{padding:64px 0 40px;}
  .footer-cols{flex-wrap:wrap;gap:36px 48px;}
  .footer-bottom-row{flex-direction:column;align-items:flex-start;gap:12px;}
  .lightbox-body{padding:28px 24px;}
  .lightbox-name{font-size:28px;}
}
@media (max-width:420px){
  .grid{grid-template-columns:1fr;}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  .reveal{opacity:1;transform:none;}
}