/* ============================================
   MELIEX — Pet Supply Sourcing Partner
   Gold #C4956A  ·  Navy #1A2B4A  ·  Cream #F5F0E8
   ============================================ */

:root {
  --gold:      #C4956A;
  --gold-lite: #D4B08C;
  --dark:      #1A2B4A;
  --dark-soft: #2C3E5A;
  --cream:     #F5F0E8;
  --white:     #FFFFFF;
  --gray:      #6B7280;
  --gray-lite: #9CA3AF;
  --line:      #E5E0D8;
  --bg:        #FAF8F5;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  color:var(--dark);background:var(--white);
  line-height:1.7;
  -webkit-font-smoothing:antialiased
}
img{display:block;max-width:100%}
a{color:var(--gold);text-decoration:none;transition:color .2s}
a:hover{color:var(--dark)}

/* -------- nav -------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line)
}
.nav-inner{
  max-width:1100px;margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;
  height:60px;padding:0 2rem
}
.nav-brand{
  font-family:Georgia,"Times New Roman",serif;
  font-size:1.05rem;font-weight:700;
  letter-spacing:.14em;color:var(--gold)
}
.nav-links{list-style:none;display:flex;gap:2rem}
.nav-links a{
  font-size:.72rem;font-weight:500;color:var(--dark);
  letter-spacing:.05em;padding-bottom:3px;
  border-bottom:2px solid transparent;transition:border-color .2s
}
.nav-links a:hover{border-bottom-color:var(--gold)}

/* -------- hero -------- */
.hero{
  position:relative;height:85vh;min-height:540px;
  display:flex;align-items:center;justify-content:center;
  overflow:hidden;margin-top:60px
}
.hero-bg{
  position:absolute;inset:0;z-index:0
}
.hero-bg img{
  width:100%;height:100%;object-fit:cover;
  filter:brightness(.5) saturate(.8)
}
.hero-overlay{
  position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,rgba(26,43,74,.2) 0%,rgba(26,43,74,.6) 100%)
}
.hero-content{
  position:relative;z-index:2;text-align:center;color:var(--white);
  padding:2rem;max-width:640px
}
.hero-title{
  font-family:Georgia,"Times New Roman",serif;
  font-size:3.2rem;font-weight:700;
  letter-spacing:.2em;margin-bottom:.4rem
}
.hero-sub{
  font-size:.78rem;font-weight:500;
  letter-spacing:.1em;opacity:.85;margin-bottom:.25rem
}
.hero-cn{
  font-size:.75rem;opacity:.55;letter-spacing:.06em;margin-bottom:2rem
}
.hero-tagline{
  font-size:.85rem;opacity:.7;
  letter-spacing:.04em;
  border-top:1px solid rgba(255,255,255,.15);
  padding-top:1.5rem
}

/* -------- sections -------- */
.section{padding:5.5rem 2rem}
.section-products{background:var(--bg)}
.section-contact{background:var(--white)}
.container{max-width:1000px;margin:0 auto}
.container-sm{max-width:780px;margin:0 auto}

.section-header{text-align:center;margin-bottom:3rem}
.section-title{
  font-size:1.55rem;font-weight:700;color:var(--dark);
  letter-spacing:.02em;margin-bottom:.35rem
}
.section-sub{
  color:var(--gray);font-size:.82rem;
  max-width:360px;margin:0 auto
}

/* -------- intro -------- */
.intro{padding-top:5rem;padding-bottom:4rem}
.intro-grid{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:1.5rem
}
.intro-card{
  text-align:center;padding:1.5rem 1rem
}
.intro-mark{
  font-size:.5rem;color:var(--gold);margin-bottom:1rem;opacity:.5
}
.intro-card h3{
  font-size:.92rem;font-weight:600;color:var(--dark);
  margin-bottom:.7rem;letter-spacing:.03em
}
.intro-card p{
  font-size:.76rem;color:var(--gray);line-height:1.75
}

/* -------- products -------- */
.product-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1.25rem;margin-bottom:3rem
}
.product-card{
  background:var(--white);
  border:1px solid var(--line);
  overflow:hidden;
  transition:transform .25s,border-color .25s,box-shadow .25s
}
.product-card:hover{
  transform:translateY(-4px);
  border-color:var(--gold-dim);
  box-shadow:0 8px 28px rgba(0,0,0,.05)
}
.pc-img{
  aspect-ratio:4/3;background:var(--bg);
  display:flex;align-items:center;justify-content:center
}
.pc-placeholder{
  font-family:Georgia,serif;
  font-size:2rem;color:var(--gold-dim);opacity:.4
}
.pc-img img{
  width:100%;height:100%;object-fit:cover
}
.product-card h4{
  font-size:.8rem;font-weight:600;color:var(--dark);
  padding:1rem 1.2rem .15rem;letter-spacing:.01em
}
.product-card p{
  font-size:.68rem;color:var(--gray);
  padding:.15rem 1.2rem 1.2rem
}

.catalog-bar{text-align:center;margin-top:.5rem}
.btn-catalog{
  display:inline-block;
  padding:.65rem 1.8rem;
  border:1.5px solid var(--gold);
  color:var(--gold);
  font-size:.78rem;font-weight:600;
  letter-spacing:.03em;
  transition:all .25s
}
.btn-catalog:hover{background:var(--gold);color:var(--white)}
.catalog-hint{
  display:block;margin-top:.65rem;
  font-size:.68rem;color:var(--gray-lite)
}

/* -------- advantages -------- */
.section-advantages{background:var(--white)}
.adv-grid{
  display:grid;grid-template-columns:1fr 1fr;
  gap:0
}
.adv-item{
  display:flex;align-items:flex-start;gap:1.2rem;
  padding:1.8rem 2rem;
  border-bottom:1px solid var(--line)
}
.adv-item:nth-child(odd){border-right:1px solid var(--line)}
.adv-item:nth-child(n+3){border-bottom:none}
.adv-num{
  flex-shrink:0;
  font-family:Georgia,serif;
  font-size:1.05rem;color:var(--gold);
  font-weight:700;letter-spacing:.04em;
  opacity:.65;line-height:1.2
}
.adv-item h3{
  font-size:.88rem;font-weight:600;color:var(--dark);
  margin-bottom:.3rem
}
.adv-item p{
  font-size:.73rem;color:var(--gray);line-height:1.7
}

.accent-block{margin-top:2.5rem}
.accent-img{
  width:100%;height:220px;object-fit:cover;
  border:1px solid var(--line)
}

/* -------- contact -------- */
.contact-card{
  display:flex;gap:3rem;
  max-width:860px;margin:2rem auto 0;
  padding:2.5rem 3rem;
  background:var(--bg);
  border:1px solid var(--line)
}
.contact-main{flex:1}
.contact-side{flex:0 0 300px}

.contact-name{
  font-size:1.05rem;font-weight:700;color:var(--dark);
  margin-bottom:.1rem
}
.contact-name span{
  font-weight:400;font-size:.75rem;
  color:var(--gray);margin-left:.5rem
}
.contact-role{
  font-size:.68rem;color:var(--gold);letter-spacing:.06em;
  margin-bottom:1.5rem;text-transform:uppercase
}

.contact-table{width:100%;border-collapse:collapse}
.contact-table td{
  padding:.45rem 0;font-size:.78rem;color:var(--dark);
  border-bottom:1px solid var(--line)
}
.ct-label{
  width:52px;font-size:.65rem!important;
  font-weight:700;color:var(--gold)!important;
  text-transform:uppercase;letter-spacing:.08em
}
.contact-table a{color:var(--dark)}
.contact-table a:hover{color:var(--gold)}

/* -------- license -------- */
.license-card{
  padding:1.8rem;background:var(--white);
  border:1px solid var(--line);text-align:center
}
.license-logo{max-width:52px;margin:0 auto .7rem;opacity:.65}
.license-name{
  font-size:.72rem;font-weight:600;color:var(--dark);
  margin-bottom:.25rem;line-height:1.5
}
.license-name-cn{
  font-size:.68rem;color:var(--gray);margin-bottom:.7rem
}
.license-card hr{
  border:none;height:1px;background:var(--line);
  width:36px;margin:0 auto .7rem
}
.license-detail{
  font-size:.6rem;color:var(--gray);line-height:2
}

/* -------- footer -------- */
.footer{
  background:var(--dark);padding:3rem 2rem
}
.footer-inner{
  display:flex;justify-content:space-between;align-items:center
}
.footer-name{
  font-family:Georgia,"Times New Roman",serif;
  font-size:.75rem;color:var(--gold);letter-spacing:.12em;
  margin-bottom:.1rem
}
.footer-inner p{color:rgba(255,255,255,.38);font-size:.63rem;line-height:1.8}
.footer-disclaimer{max-width:420px;margin-top:.6rem}
.footer-right{text-align:right}

/* -------- responsive -------- */
@media(max-width:768px){
  .hero{height:65vh;min-height:420px}
  .hero-title{font-size:2.2rem}
  .nav-inner{padding:0 1rem}
  .nav-links{gap:1rem}
  .section{padding:3.5rem 1.5rem}
  .intro-grid{grid-template-columns:1fr;gap:1rem}
  .intro-card{padding:1rem}
  .product-grid{grid-template-columns:repeat(2,1fr)}
  .adv-grid{grid-template-columns:1fr}
  .adv-item{border-right:none!important;padding:1.2rem 1.5rem}
  .adv-item:nth-child(3){border-bottom:1px solid var(--line)}
  .contact-card{flex-direction:column;gap:2rem;padding:2rem 1.5rem}
  .contact-side{flex:none}
  .footer-inner{flex-direction:column;gap:1rem;text-align:center}
  .footer-right{text-align:center}
}
@media(max-width:480px){
  .hero{height:55vh;min-height:360px}
  .hero-title{font-size:1.7rem}
  .nav-links{gap:.7rem;font-size:.7rem}
  .product-grid{grid-template-columns:1fr}
  .contact-card{padding:1.5rem 1rem}
}