:root{
  --bg:#ebe8e1;
  --shell:#f7f4ee;
  --surface:#f3efe8;
  --surface-2:#f9f7f3;
  --text:#2a2620;
  --muted:#7f776d;
  --line:#e6dfd3;
  --brand:#b99653;
  --brand-deep:#907039;
  --shadow:0 24px 64px rgba(50,43,31,.10);
  --card-shadow:0 10px 28px rgba(38,31,21,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  padding:14px;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;
  line-height:1.7;
}
body.modal-open{overflow:hidden}
a{text-decoration:none;color:inherit}
button{font:inherit}
img{max-width:100%;display:block}
.site-shell{
  width:min(1220px,100%);
  margin:0 auto;
  background:var(--shell);
  border-radius:40px;
  overflow:hidden;
  box-shadow:var(--shadow);
}
.site-header{
  padding:0 34px;
  border-bottom:1px solid rgba(42,38,32,.05);
}
.nav{
  min-height:78px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
.brand img{width:34px;height:34px;object-fit:contain}
.brand-copy strong{font-size:13px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.nav-links{display:flex;align-items:center;gap:38px;font-size:13px}
.nav-links a{position:relative;color:var(--muted);transition:color .2s ease}
.nav-links a.active,.nav-links a:hover{color:var(--brand-deep)}
.nav-links a::after{content:"";position:absolute;left:50%;right:50%;bottom:-15px;height:2px;background:var(--brand);transition:left .24s ease,right .24s ease}
.nav-links a.active::after,.nav-links a:hover::after{left:0;right:0}
.menu-btn{display:none;border:0;background:transparent;padding:8px;cursor:pointer}
main{padding:0 34px 6px}
.hero{padding-top:0}
.hero-panel{
  display:grid;
  grid-template-columns:minmax(0,1.1fr) minmax(320px,.9fr);
  gap:24px;
  background:linear-gradient(90deg,#f8f6f2 0%,#f6f2eb 52%,#f2ede5 100%);
  border-radius:0 0 0 0;
  min-height:390px;
}
.hero-copy{padding:52px 30px 48px 34px;align-self:center}
.hero-copy h1{
  margin:0 0 18px;
  font-family:"Songti SC","STSong","SimSun",serif;
  font-weight:600;
  font-size:clamp(32px,4.6vw,56px);
  line-height:1.12;
  letter-spacing:-.04em;
}
.intro-wrap{max-width:610px;max-height:98px;overflow:hidden;position:relative;transition:max-height .55s cubic-bezier(.2,.75,.2,1)}
.intro-wrap.expanded{max-height:720px}
#company-intro{margin:0;white-space:pre-line;color:#5c564d;font-size:14px;line-height:1.95}
.intro-fade{position:absolute;left:0;right:0;bottom:0;height:48px;background:linear-gradient(to bottom,rgba(248,246,242,0),#f8f6f2);transition:opacity .25s ease}
.intro-wrap.expanded .intro-fade{opacity:0}
.hero-actions{margin-top:18px}
.hero-btn{display:inline-flex;align-items:center;gap:10px;padding:10px 18px;border:0;border-radius:999px;background:var(--brand);color:#fff;cursor:pointer;transition:transform .22s ease,background .22s ease}
.hero-btn:hover{transform:translateY(-1px);background:var(--brand-deep)}
.hero-btn-icon{font-size:15px}
.hero-visual{position:relative;display:flex;align-items:center;justify-content:center;min-height:390px;overflow:hidden}
.hero-visual::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 75% 38%,rgba(255,255,255,.6),transparent 26%),linear-gradient(180deg,rgba(255,255,255,.2),rgba(255,255,255,0))}
.hero-vase-svg{width:min(100%,460px);height:auto;transform:translate(12px,14px)}

.solutions-section{padding:30px 0 30px}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:14px}
.section-title-wrap{display:flex;align-items:end;gap:14px;flex-wrap:wrap}
.section-head h2{margin:0;font-size:30px;font-family:"Songti SC","STSong","SimSun",serif;font-weight:600;letter-spacing:-.03em}
.section-script{font-family:"Times New Roman",serif;font-style:italic;font-size:18px;color:#c8b89b;transform:translateY(-2px)}
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.filter-btn{min-width:52px;padding:6px 15px;border:1px solid #ddd3c4;border-radius:999px;background:transparent;color:#71695d;font-size:12px;cursor:pointer;transition:all .2s ease}
.filter-btn:hover{border-color:var(--brand);color:var(--brand-deep)}
.filter-btn.active{background:var(--brand);border-color:var(--brand);color:#fff}
.magazine-grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));grid-auto-rows:76px;grid-auto-flow:dense;gap:10px}
.solution-card{position:relative;overflow:hidden;border-radius:12px;background:#ddd5c8;box-shadow:var(--card-shadow);cursor:pointer;transition:transform .35s cubic-bezier(.2,.75,.2,1), box-shadow .35s ease}
.solution-card:hover{transform:translateY(-4px);box-shadow:0 18px 34px rgba(38,31,21,.12)}
.solution-card.reveal{opacity:0;transform:translateY(18px) scale(.987)}
.solution-card.reveal.visible{opacity:1;transform:translateY(0) scale(1);transition:opacity .55s ease,transform .55s cubic-bezier(.2,.75,.2,1)}
.solution-card.layout-1{grid-column:span 7;grid-row:span 3}
.solution-card.layout-2{grid-column:span 5;grid-row:span 3}
.solution-card.layout-3{grid-column:span 4;grid-row:span 4}
.solution-card.layout-4{grid-column:span 4;grid-row:span 2}
.solution-card.layout-5{grid-column:span 4;grid-row:span 4}
.solution-card.layout-6{grid-column:span 4;grid-row:span 2}
.solution-card.layout-7{grid-column:span 4;grid-row:span 2}
.solution-card.layout-8{grid-column:span 4;grid-row:span 2}
.solution-card.layout-9{grid-column:span 6;grid-row:span 2}
.solution-card.layout-10{grid-column:span 6;grid-row:span 2}
.card-image,.card-image img{width:100%;height:100%}
.card-image{position:absolute;inset:0}
.card-image::after{content:"";position:absolute;left:0;right:0;bottom:0;height:56%;background:linear-gradient(to top,rgba(20,16,11,.78),rgba(20,16,11,0))}
.card-image img{object-fit:cover;transition:transform .7s cubic-bezier(.2,.75,.2,1)}
.solution-card:hover .card-image img{transform:scale(1.04)}
.card-category{position:absolute;top:10px;left:10px;z-index:2;padding:4px 9px;border-radius:999px;background:rgba(255,255,255,.84);font-size:11px;color:#71675a}
.card-body{position:absolute;left:0;right:0;bottom:0;z-index:3;padding:26px 14px 12px;color:#fff}
.card-title{font-size:14px;font-weight:700;line-height:1.4;text-shadow:0 1px 12px rgba(0,0,0,.25)}
.card-subtitle{margin-top:4px;font-size:11px;color:rgba(255,255,255,.82);line-height:1.45;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.loading,.empty-state{grid-column:1/-1;min-height:180px;display:grid;place-items:center;color:var(--muted)}

.contact-section{padding:10px 0 20px}
.contact-card{display:grid;grid-template-columns:1.1fr 1fr;gap:0;background:linear-gradient(180deg,#f6f3ee,#f3eee8);border:1px solid var(--line);border-radius:18px;padding:20px 28px}
.contact-left{padding-right:28px}
.contact-left h2{margin:0 0 10px;font-family:"Songti SC","STSong","SimSun",serif;font-size:26px}
.contact-left p{margin:0;color:var(--muted);font-size:13px}
.contact-right{display:grid;grid-template-columns:1fr;gap:10px;border-left:1px solid var(--line);padding-left:28px;align-content:center}
.contact-item small{display:block;color:var(--muted);margin-bottom:2px;font-size:11px}
.contact-item strong{font-size:14px;color:var(--text)}

.footer{margin-top:4px;padding:16px 34px 24px;border-top:1px solid rgba(42,38,32,.06)}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr;gap:18px;align-items:start}
.footer-brand{display:flex;align-items:flex-start;gap:10px}
.footer-brand img{width:34px;height:34px;object-fit:contain}
.footer-brand strong,.footer-nav strong{display:block;margin-bottom:4px;font-size:12px}
.footer p,.footer a{margin:0;color:var(--muted);font-size:11px}
.footer-nav{justify-self:end;text-align:right}
.footer-links{display:flex;flex-wrap:wrap;gap:6px 14px;justify-content:flex-end}
.footer-bottom{margin-top:12px;padding-top:10px;border-top:1px solid rgba(42,38,32,.08);color:var(--muted);font-size:11px;text-align:center}

.modal{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;padding:28px;background:rgba(235,232,225,.88);backdrop-filter:blur(10px);visibility:hidden;opacity:0;transition:opacity .25s ease,visibility .25s ease}
.modal.open{visibility:visible;opacity:1}
.modal-panel{width:min(1180px,100%);height:min(820px,92vh);display:grid;grid-template-columns:58% 42%;overflow:hidden;border-radius:24px;background:var(--shell);box-shadow:0 34px 100px rgba(50,43,31,.18);transform:translateY(24px) scale(.987);opacity:0;transition:transform .42s cubic-bezier(.18,.78,.18,1),opacity .32s ease;position:relative}
.modal.open .modal-panel{transform:translateY(0) scale(1);opacity:1}
.close-btn{position:absolute;right:14px;top:14px;z-index:5;width:38px;height:38px;border:0;border-radius:50%;background:rgba(42,38,32,.08);color:var(--text);cursor:pointer;font-size:24px}
.slider{position:relative;display:flex;align-items:center;justify-content:center;background:var(--surface);overflow:hidden}
.slide-image{width:100%;height:100%;object-fit:contain;transition:opacity .2s ease,transform .35s ease}
.slide-image.switching{opacity:.25;transform:scale(.985)}
.slide-btn{position:absolute;top:50%;transform:translateY(-50%);width:42px;height:42px;border:0;border-radius:50%;background:rgba(247,244,238,.9);color:var(--text);cursor:pointer;font-size:24px;box-shadow:0 4px 14px rgba(50,43,31,.12)}
.slide-prev{left:16px}.slide-next{right:16px}
.slide-count{position:absolute;left:50%;bottom:16px;transform:translateX(-50%);padding:5px 10px;border-radius:999px;background:rgba(247,244,238,.92);color:var(--text);font-size:12px;box-shadow:0 3px 12px rgba(50,43,31,.10)}
.modal-content{padding:52px 34px 34px;overflow:auto;color:var(--text)}
.modal-category{font-size:12px;color:#d2b06a;font-weight:700;letter-spacing:.06em}
.modal-title{margin:16px 0 20px;font-family:"Songti SC","STSong","SimSun",serif;font-size:28px;line-height:1.35}
.modal-text{white-space:pre-line;color:var(--muted);font-size:15px}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px}
.tag{padding:6px 10px;border-radius:999px;border:1px solid rgba(185,150,83,.38);color:var(--brand-deep);font-size:12px;background:rgba(185,150,83,.06)}

.reveal-section{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.75,.2,1)}
.reveal-section.visible{opacity:1;transform:translateY(0)}

@media (max-width:1000px){
  body{padding:10px}
  .site-shell{border-radius:28px}
  .site-header,.footer,main{padding-left:24px;padding-right:24px}
  .hero-panel{grid-template-columns:1fr;min-height:0}
  .hero-visual{min-height:260px}
  .magazine-grid{grid-template-columns:repeat(8,minmax(0,1fr));grid-auto-rows:70px}
  .solution-card.layout-1,.solution-card.layout-9{grid-column:span 5;grid-row:span 3}
  .solution-card.layout-2,.solution-card.layout-10{grid-column:span 3;grid-row:span 3}
  .solution-card.layout-3,.solution-card.layout-5{grid-column:span 4;grid-row:span 4}
  .solution-card.layout-4,.solution-card.layout-6,.solution-card.layout-7,.solution-card.layout-8{grid-column:span 4;grid-row:span 2}
}
@media (max-width:760px){
  body{padding:0;background:var(--shell)}
  .site-shell{border-radius:0;box-shadow:none;width:100%}
  .site-header,.footer,main{padding-left:16px;padding-right:16px}
  .nav{min-height:62px}
  .nav-links{display:none;position:absolute;left:16px;right:16px;top:62px;flex-direction:column;align-items:stretch;background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px;box-shadow:var(--shadow)}
  .nav-links.open{display:flex}
  .menu-btn{display:block}
  .hero-panel{gap:0;border-radius:0 0 18px 18px}
  .hero-copy{padding:28px 16px 20px}
  .hero-copy h1{font-size:24px}
  .hero-visual{min-height:180px}
  .hero-vase-svg{width:92%;transform:translate(0,0)}
  .section-head h2{font-size:24px}
  .magazine-grid{grid-template-columns:repeat(2,minmax(0,1fr));grid-auto-rows:auto;gap:8px}
  .solution-card,.solution-card[class*='layout-']{grid-column:span 1;grid-row:auto;height:170px}
  .solution-card:nth-child(3n+1){height:190px}
  .card-body{padding:22px 10px 10px}
  .card-title{font-size:12px}
  .card-subtitle{font-size:10px}
  .contact-card{grid-template-columns:1fr;padding:18px}
  .contact-left{padding-right:0;padding-bottom:14px}
  .contact-right{border-left:0;border-top:1px solid var(--line);padding-left:0;padding-top:14px}
  .footer-top{grid-template-columns:1fr;gap:12px}
  .footer-nav{justify-self:start;text-align:left}
  .footer-links{justify-content:flex-start}
  .modal{padding:0}
  .modal-panel{width:100%;height:100%;border-radius:0;grid-template-columns:1fr;grid-template-rows:56% 44%}
  .modal-content{padding:26px 18px 30px}
}

/* 每5篇重复：2张 + 3张；3张底部保持齐平 */
@media (min-width:761px){

  .magazine-grid > .solution-card:nth-child(5n+1){
    grid-column:span 7 !important;
    grid-row:span 3 !important;
  }

  .magazine-grid > .solution-card:nth-child(5n+2){
    grid-column:span 5 !important;
    grid-row:span 3 !important;
  }

  .magazine-grid > .solution-card:nth-child(5n+3),
  .magazine-grid > .solution-card:nth-child(5n+4),
  .magazine-grid > .solution-card:nth-child(5n+5){
    grid-column:span 4 !important;
    grid-row:span 4 !important;
  }

}