:root{
  --bg:#fff;
  --ink:#151515;
  --muted:#707070;
  --line:#e8e8e8;
  --soft:#f6f6f3;
  --soft2:#fbfaf7;
  --dark:#111;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:Inter,Arial,Helvetica,sans-serif;
  -webkit-font-smoothing:antialiased;
}
a{text-decoration:none;color:inherit}
button,input{font:inherit}
.wrap{width:min(1460px,94vw);margin:0 auto}
.hidden{display:none!important}

/* HEADER */
header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.97);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(12px);
}
.nav{
  min-height:68px;
  display:grid;grid-template-columns:180px 1fr auto;
  gap:20px;align-items:center;
}
.brand{font-size:20px;font-weight:950;letter-spacing:-.045em;cursor:pointer}
.navlinks{display:flex;align-items:center;justify-content:center;gap:28px;font-size:13px;font-weight:780}
.navlinks a{padding:25px 0;position:relative;cursor:pointer}
.navlinks a.active:after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:#111}
.contact-cta{
  border:1px solid #111;background:#111;color:#fff;
  padding:11px 15px;font-size:12px;font-weight:900;cursor:pointer;
}
.contact-cta:hover{opacity:.82}

/* GLOBAL */
.kicker{font-size:11px;font-weight:900;letter-spacing:.14em;color:#777;text-transform:uppercase}
h1,h2,h3,p{margin-top:0}
.section-head{
  display:flex;justify-content:space-between;align-items:end;gap:18px;
  margin-bottom:16px
}
.section-head h2{font-size:26px;letter-spacing:-.045em;margin-bottom:4px}
.section-head p{font-size:11px;color:var(--muted);margin:0}
.section-link{font-size:10px;font-weight:900;border-bottom:1px solid #111;cursor:pointer}

/* HERO CAROUSEL */
.hero{
  margin-top:24px;
  position:relative;
  min-height:345px;
  border:1px solid #ecece7;
  overflow:hidden;
  background:#f5f4f0;
}
.hero-slide{
  position:absolute;inset:0;
  display:grid;grid-template-columns:1.05fr 1fr;
  opacity:0;pointer-events:none;
  transform:translateX(22px);
  transition:opacity .55s ease, transform .55s ease;
}
.hero-slide.active{opacity:1;pointer-events:auto;transform:translateX(0)}
.hero-slide.bg1{background:linear-gradient(110deg,#f1efe8 0%,#faf8f4 58%,#ebe9e1 100%)}
.hero-slide.bg2{background:linear-gradient(110deg,#f2f3f5 0%,#fbfbfc 58%,#eceef2 100%)}
.hero-slide.bg3{background:linear-gradient(110deg,#f4f1ee 0%,#fbfaf8 58%,#eee9e6 100%)}
.hero-copy{padding:47px 48px;display:flex;flex-direction:column;justify-content:center}
.hero h1{font-size:45px;line-height:.98;letter-spacing:-.06em;margin:10px 0 13px;max-width:640px}
.hero h2{font-size:21px;letter-spacing:-.04em;margin:0 0 12px}
.hero p{font-size:13px;line-height:1.65;color:#686868;max-width:610px;margin-bottom:22px}
.hero-actions{display:flex;gap:10px;flex-wrap:wrap}
.btn{
  border:1px solid #111;background:#fff;padding:11px 16px;
  font-size:11px;font-weight:900;cursor:pointer;
}
.btn.dark{background:#111;color:#fff}
.hero-art{position:relative;min-height:345px}
.hero-prod{
  position:absolute;border-radius:7px;
  box-shadow:0 26px 52px rgba(0,0,0,.15);
  border:6px solid rgba(255,255,255,.75);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;font-weight:950;line-height:.95;padding:15px;
}
.hero-prod small{font-size:8px;letter-spacing:.1em;margin-top:8px;opacity:.7}
.hp1{width:170px;height:236px;left:11%;top:63px;transform:rotate(-7deg)}
.hp2{width:183px;height:251px;left:36%;top:28px;z-index:2;transform:rotate(1deg)}
.hp3{width:165px;height:230px;left:63%;top:68px;transform:rotate(7deg)}
.hero-arrow{
  position:absolute;top:50%;transform:translateY(-50%);
  z-index:5;width:38px;height:38px;border-radius:50%;
  border:1px solid rgba(0,0,0,.18);background:rgba(255,255,255,.82);
  display:flex;align-items:center;justify-content:center;
  font-size:20px;cursor:pointer;transition:.16s
}
.hero-arrow:hover{background:#fff}
.hero-arrow.prev{left:14px}
.hero-arrow.next{right:14px}
.hero-dots{
  position:absolute;z-index:6;left:50%;transform:translateX(-50%);
  bottom:13px;display:flex;gap:7px;
}
.hero-dot{
  width:7px;height:7px;border-radius:50%;
  background:#c8c8c8;cursor:pointer;transition:.18s
}
.hero-dot.active{width:22px;border-radius:999px;background:#111}

/* TIMELINE */
.timeline-section{padding:26px 0 30px}
.timeline-shell{
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  overflow:hidden;position:relative;background:#fff;
}
.timeline-track{
  width:max-content;display:flex;gap:28px;padding:22px 8px 24px;
  animation:timelineScroll 46s linear infinite;
}
.timeline-shell:hover .timeline-track{animation-play-state:paused}
@keyframes timelineScroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.t-card{width:136px;flex:0 0 auto;text-align:center}
.t-pack{
  width:78px;height:116px;margin:0 auto 9px;border-radius:5px;
  box-shadow:0 11px 21px rgba(0,0,0,.13);
  display:flex;align-items:center;justify-content:center;
  font-weight:950;font-size:13px;line-height:1;text-align:center;
  border:4px solid rgba(255,255,255,.66);
}
.t-series{font-size:11px;font-weight:900}
.t-date{font-size:9px;color:#888;margin-top:3px}

/* CATEGORY */
.cat-section{padding:6px 0 36px}
.category-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.category-card{
  min-height:145px;border:1px solid #eee;background:var(--soft);
  padding:17px;display:flex;justify-content:space-between;flex-direction:column;
  cursor:pointer;transition:.16s;
}
.category-card:hover{transform:translateY(-2px);border-color:#ccc}
.category-card strong{font-size:15px}
.category-card small{font-size:9px;color:#777}
.mini-row{display:flex;gap:6px;justify-content:flex-end}
.mini{width:48px;height:68px;border-radius:3px;box-shadow:0 8px 14px rgba(0,0,0,.1);display:flex;align-items:center;justify-content:center;font-size:9px;font-weight:950}

/* POPULAR */
.popular{background:var(--soft2);border:1px solid #efefeb;padding:29px;margin-bottom:42px}
.series-block+.series-block{margin-top:27px}
.series-title{font-size:14px;font-weight:950;border-bottom:1px solid #ddd;padding-bottom:8px;margin-bottom:14px}
.series-grid{display:grid;gap:13px}
.series-grid.four{grid-template-columns:repeat(4,1fr)}
.series-grid.six{grid-template-columns:repeat(6,1fr)}
.series-item{text-align:center;cursor:pointer}
.series-img{
  aspect-ratio:4/5;background:#fff;border:1px solid #e8e8e4;
  display:flex;align-items:center;justify-content:center;padding:14px;
}
.pack{
  width:54%;height:88%;border-radius:4px;box-shadow:0 12px 20px rgba(0,0,0,.12);
  display:flex;align-items:center;justify-content:center;text-align:center;
  font-weight:950;font-size:12px;line-height:1;padding:8px;
  border:4px solid rgba(255,255,255,.62);
}
.series-item strong{display:block;font-size:11px;margin-top:8px}
.series-item small{font-size:9px;color:#777}

/* CATALOG */
.catalog{padding-bottom:44px}
.version-tabs{
  display:grid;grid-template-columns:repeat(3,1fr);
  border:1px solid var(--line);margin-bottom:12px;
}
.version-tab{
  padding:17px 12px;background:#fff;border:0;border-right:1px solid var(--line);
  font-size:13px;font-weight:900;cursor:pointer
}
.version-tab:last-child{border-right:0}
.version-tab.active{background:#111;color:#fff}
.catalog-tools{
  position:sticky;top:68px;z-index:30;background:#fff;
  display:flex;justify-content:space-between;align-items:center;gap:14px;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:11px 0;
}
.pills{display:flex;gap:7px;overflow:auto;scrollbar-width:none}
.pills::-webkit-scrollbar{display:none}
.pill{
  flex:0 0 auto;border:1px solid #ddd;background:#fff;border-radius:999px;
  padding:8px 12px;font-size:10px;font-weight:850;cursor:pointer
}
.pill.active{background:#111;color:#fff;border-color:#111}
.search{
  width:245px;height:36px;border:1px solid #ddd;display:flex;align-items:center;gap:7px;padding:0 10px
}
.search input{width:100%;border:0;outline:none;font-size:11px}
.product-grid{
  display:grid;grid-template-columns:repeat(5,1fr);
  gap:28px 17px;padding:22px 0 16px;
}
.product-photo{
  aspect-ratio:1/1;background:#f4f4f2;
  display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;
}
.badge{position:absolute;left:9px;top:9px;background:#111;color:#fff;padding:4px 6px;font-size:8px;font-weight:950}
.product-mock{
  width:63%;height:78%;border-radius:5px;
  box-shadow:0 15px 26px rgba(0,0,0,.14);
  display:flex;align-items:center;justify-content:center;text-align:center;
  font-weight:950;line-height:.98;padding:10px;border:4px solid rgba(255,255,255,.6);
}
.product-card h3{font-size:12px;margin:10px 0 4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.product-meta{font-size:9px;color:#858585;margin-bottom:8px}
.product-foot{display:flex;justify-content:space-between;align-items:end;gap:7px}
.price{font-size:12px;font-weight:950}
.price small{display:block;font-size:8px;color:#888;font-weight:500;margin-top:2px}
.inquire{
  border:0;background:transparent;padding:0 0 2px;border-bottom:1px solid #111;
  font-size:9px;font-weight:900;cursor:pointer
}
.load-more{text-align:center;padding-top:3px}
.load-more button{border:1px solid #111;background:#fff;padding:10px 18px;font-size:10px;font-weight:900;cursor:pointer}

/* TRUST CONTACT GUIDES */
.trust{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-bottom:34px
}
.trust div{padding:17px;text-align:center;border-right:1px solid var(--line);font-size:10px;font-weight:900}
.trust div:last-child{border-right:0}
.contact{
  background:#111;color:#fff;padding:30px 31px;margin-bottom:43px;
  display:flex;justify-content:space-between;align-items:center;gap:20px
}
.contact h2{font-size:23px;margin-bottom:5px;letter-spacing:-.04em}
.contact p{font-size:11px;color:#bbb;margin:0}
.channels{display:flex;gap:8px;flex-wrap:wrap}
.channel{border:1px solid #555;padding:10px 12px;font-size:10px;font-weight:900;cursor:pointer}
.channel.white{background:#fff;color:#111;border-color:#fff}
.guides{padding-bottom:50px}
.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.guide{border-top:1px solid #111;padding-top:11px}
.guide small{font-size:8px;font-weight:900;letter-spacing:.12em;color:#858585}
.guide h3{font-size:14px;line-height:1.35;margin:8px 0 13px}
.guide a{font-size:9px;font-weight:900;border-bottom:1px solid #111}

/* VERSION PAGE */
.page-hero{
  padding:44px 0 22px;border-bottom:1px solid var(--line);
  display:flex;justify-content:space-between;align-items:end;gap:20px
}
.page-hero h1{font-size:40px;letter-spacing:-.055em;margin:8px 0 7px}
.page-hero p{font-size:12px;color:#6e6e6e;max-width:680px;margin:0;line-height:1.6}
.page-count{font-size:11px;color:#777}
.version-page-cats{padding:20px 0 9px}
.version-extra{margin:18px 0 35px;background:var(--soft2);border:1px solid #efefeb;padding:24px}
.version-extra h2{font-size:21px;margin-bottom:6px;letter-spacing:-.04em}
.version-extra p{font-size:11px;color:#777;margin-bottom:0}
.version-catalog{padding-bottom:45px}

/* FLOATING CONTACT */
.floating-contact{
  position:fixed;right:22px;bottom:22px;z-index:90;
  display:flex;align-items:center;gap:10px;
  border:0;background:#111;color:#fff;border-radius:999px;
  padding:10px 15px 10px 10px;box-shadow:0 14px 34px rgba(0,0,0,.18);
  cursor:pointer;transition:.18s;
}
.floating-contact:hover{transform:translateY(-2px);box-shadow:0 18px 38px rgba(0,0,0,.23)}
.bubble{
  width:34px;height:34px;border-radius:50%;background:#fff;color:#111;
  display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:900;
}
.floating-contact span{font-size:11px;font-weight:900}

/* FOOTER */
footer{border-top:1px solid var(--line);padding:27px 0 37px}
.footer-row{display:flex;justify-content:space-between;gap:22px;font-size:9px;color:#777}
.footer-row strong{color:#111}
.footer-alibaba{font-weight:900;color:#444;border-bottom:1px solid #777;cursor:pointer}

/* MODAL */
.modal-bg{
  display:none;position:fixed;inset:0;background:rgba(0,0,0,.46);z-index:200;
  align-items:center;justify-content:center;padding:18px
}
.modal{width:min(500px,100%);background:#fff;padding:27px;max-height:90vh;overflow-y:auto;position:relative}
.quick-contacts{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:20px}
.wechat-area{grid-column:span 2;border:1px solid #ddd;padding:12px;display:flex;justify-content:space-between;align-items:center}
.wechat-info strong{display:block;font-size:10px;color:#777;text-transform:uppercase}
.wechat-info span{font-size:14px;font-weight:900}
#copyWechatBtn{border:1px solid #111;background:#111;color:#fff;font-size:10px;font-weight:900;padding:6px 10px;cursor:pointer}
.inquiry-form-section{margin:25px 0}
.separator-text{text-align:center;border-bottom:1px solid #eee;line-height:0.1em;margin:10px 0 25px}
.separator-text span{background:#fff;padding:0 10px;font-size:10px;font-weight:900;color:#999}
.f-group{margin-bottom:15px}
.f-group label{display:block;font-size:11px;font-weight:900;margin-bottom:6px}
.f-group input,.f-group textarea{width:100%;border:1px solid #ddd;padding:10px;font-size:13px;outline:none}
.f-group textarea{height:100px;resize:vertical;font-family:inherit}
.quick-questions{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:8px}
.quick-questions button{border:1px solid #eee;background:#f9f9f9;padding:4px 8px;font-size:9px;font-weight:800;cursor:pointer}
.quick-questions button:hover{border-color:#ccc}
.submit-btn{width:100%;background:#111;color:#fff;border:0;padding:14px;font-weight:950;cursor:pointer;letter-spacing:0.05em}
.submit-btn:disabled{opacity:0.6;cursor:not-allowed}
.form-status{font-size:11px;color:#d00;margin-bottom:10px;min-height:1.2em}
.success-state{text-align:center;padding:20px 0}
.success-icon{width:60px;height:60px;background:#eee;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 15px;font-size:30px;color:#111}
.wa-success-link{display:block;margin-top:15px;font-weight:900;font-size:13px;text-decoration:underline}

.modal-top{display:flex;justify-content:space-between;align-items:start}
.modal h3{font-size:20px;margin-bottom:6px}
.modal p{font-size:10px;color:#777;margin-bottom:16px}
.close{background:none;border:0;font-size:22px;cursor:pointer}
.modal-link{display:block;border:1px solid #ddd;padding:12px;font-size:10px;font-weight:900;text-align:center}
.modal-link:hover{border-color:#111}
.alibaba-separator{margin:18px 0 8px;border-top:1px solid #eee;padding-top:14px}
.alibaba-note{font-size:9px;color:#888;line-height:1.5;margin-bottom:8px}
.modal-link.alibaba-soft{background:#f7f7f5;border-color:#e5e5e2}

/* COLORS */
.c1{background:linear-gradient(145deg,#30204e,#b88de7,#efe4ff)}
.c2{background:linear-gradient(145deg,#15475d,#6bc1d0,#e6fbff)}
.c3{background:linear-gradient(145deg,#5c2418,#ef8a5a,#fff0df)}
.c4{background:linear-gradient(145deg,#314326,#8ec678,#efffe8)}
.c5{background:linear-gradient(145deg,#4f3512,#e9c557,#fff4c9)}
.c6{background:linear-gradient(145deg,#4f1730,#e66d99,#ffe4ef)}
.c7{background:linear-gradient(145deg,#20345d,#718fd5,#e7edff)}
.c8{background:linear-gradient(145deg,#33243d,#b87ab3,#faeafa)}
.c9{background:linear-gradient(145deg,#1b3532,#65aaa1,#e4faf8)}
.c10{background:linear-gradient(145deg,#4b3429,#c99878,#f7e6dc)}
.c11{background:linear-gradient(145deg,#2b213d,#8472c5,#f0ecff)}
.c12{background:linear-gradient(145deg,#173d44,#76b9ad,#e8fbf5)}

@media(max-width:1100px){
  .navlinks{gap:14px;font-size:11px}
  .hero h1{font-size:39px}
  .category-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .series-grid.six{grid-template-columns:repeat(3,1fr)}
  .product-grid{grid-template-columns:repeat(4,1fr)}
}
@media(max-width:820px){
  .nav{grid-template-columns:1fr auto}
  .navlinks{display:none}
  .hero{min-height:600px}
  .hero-slide{grid-template-columns:1fr}
  .hero-copy{padding:34px 28px 10px}
  .hero-art{min-height:265px}
  .hero h1{font-size:35px}
  .hero-prod{width:132px!important;height:185px!important}
  .hp1{left:12%;top:48px}
  .hp2{left:38%;top:22px}
  .hp3{left:64%;top:50px}
  .category-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .series-grid.four,.series-grid.six{grid-template-columns:repeat(2,1fr)}
  .product-grid{grid-template-columns:repeat(3,1fr)}
  .contact{align-items:flex-start;flex-direction:column}
  .guide-grid{grid-template-columns:1fr}
}
@media(max-width:560px){
  .wrap{width:94vw}
  .contact-cta{padding:10px 11px;font-size:10px}
  .hero{min-height:585px}
  .hero-copy{padding:30px 22px 6px}
  .hero h1{font-size:33px}
  .hero h2{font-size:18px}
  .hero-arrow{width:32px;height:32px}
  .hero-prod{width:112px!important;height:162px!important}
  .hp1{left:9%;top:58px}
  .hp2{left:35%;top:34px}
  .hp3{left:63%;top:60px}
  .product-grid{grid-template-columns:repeat(2,1fr);gap:22px 10px}
  .catalog-tools{align-items:stretch;flex-direction:column}
  .search{width:100%}
  .version-tabs{grid-template-columns:1fr}
  .version-tab{border-right:0;border-bottom:1px solid var(--line)}
  .version-tab:last-child{border-bottom:0}
  .trust{grid-template-columns:repeat(2,1fr)}
  .trust div:nth-child(2){border-right:0}
  .trust div:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .page-hero{align-items:flex-start;flex-direction:column}
  .footer-row{flex-direction:column}
  .floating-contact{right:14px;bottom:14px;padding-right:12px}
  .floating-contact span{display:none}
  .modal{padding:20px;width:95vw}
  .quick-contacts{grid-template-columns:1fr}
  .wechat-area{grid-column:auto}
}