/* ============ 设计系统 / Design Tokens ============ */
:root{
  --primary:#C4703F;
  --secondary:#E8996E;
  --accent:#EFA97E;
  --text:#5D4E45;
  --dark:#4A3527;
  --bg:#ffffff;
  --bg-alt:#FBF3EC;
  --line:#F0DCCC;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 10px 30px rgba(74,53,39,.08);
  --shadow-lg:0 20px 50px rgba(196,112,63,.16);
  --maxw:1180px;
  --font:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Noto Sans SC',sans-serif;
}
/* ============ 基础 ============ */
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--text);background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
section{scroll-margin-top:90px}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:999px;font-weight:600;font-size:15px;cursor:pointer;border:2px solid transparent;transition:.25s;white-space:nowrap}
.btn--primary{background:var(--primary);color:#fff}
.btn--primary:hover{background:#A85E33;transform:translateY(-2px);box-shadow:var(--shadow)}
.btn--accent{background:var(--accent);color:var(--dark)}
.btn--accent:hover{background:#D98A5F;transform:translateY(-2px);box-shadow:0 10px 24px rgba(233,154,110,.35)}
.btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.btn--ghost:hover{border-color:#fff;background:rgba(255,255,255,.12)}
/* 浅色背景上的 ghost 按钮（Hero） */
.hero .btn--ghost{color:var(--dark);border-color:rgba(74,53,39,.35)}
.hero .btn--ghost:hover{border-color:var(--dark);background:rgba(74,53,39,.08)}
.btn--block{width:100%}

/* ============ 顶部条 ============ */
.topbar{background:var(--dark);color:#E3D0C2;font-size:13px}
.topbar__inner{display:flex;justify-content:space-between;align-items:center;height:38px}
.topbar__right{display:flex;align-items:center;gap:10px}
.topbar__link{color:#F0C9A8}
.topbar__link:hover{color:#fff}
.topbar__sep{opacity:.4}

/* ============ 导航 ============ */
.header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.header__inner{display:flex;align-items:center;justify-content:space-between;height:74px}
.logo{display:flex;align-items:center;gap:12px}
.logo__mark{flex:0 0 auto}
.logo__text{display:flex;flex-direction:column;line-height:1.15}
.logo__text strong{font-size:18px;color:var(--dark);letter-spacing:.5px}
.logo__text em{font-style:normal;font-size:11px;color:var(--text);letter-spacing:.3px}
.nav{display:flex;align-items:center;gap:26px}
.nav__link{font-weight:500;color:var(--dark);position:relative;padding:6px 0}
.nav__link::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--secondary);transition:.25s}
.nav__link:hover::after{width:100%}
.nav__link.is-active{color:var(--primary)}
.nav__link.is-active::after{width:100%}

/* ============ nav Products 下拉菜单 ============ */
.nav__dd{position:relative}
.nav__dd-toggle{
  font:inherit;color:inherit;background:none;border:0;cursor:pointer;
  display:inline-flex;align-items:center;gap:5px;padding:6px 0;
  font-weight:500;position:relative;
}
.nav__dd-toggle::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--secondary);transition:.25s}
.nav__dd:hover .nav__dd-toggle::after,.nav__dd.is-open .nav__dd-toggle::after{width:100%}
.nav__dd-toggle.is-active{color:var(--primary)}
.nav__dd-toggle.is-active::after{width:100%}
.nav__caret{transition:transform .25s}
.nav__dd.is-open .nav__caret{transform:rotate(180deg)}
.nav__dd-panel{
  position:absolute;top:calc(100% + 14px);left:50%;
  transform:translateX(-50%) translateY(-6px);
  min-width:280px;max-width:320px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow-lg);padding:8px;
  display:-webkit-box;display:-ms-flexbox;display:flex;
  -webkit-box-orient:vertical;-moz-flex-direction:column;-ms-flex-direction:column;flex-direction:column;
  -webkit-flex-wrap:nowrap;-ms-flex-wrap:nowrap;flex-wrap:nowrap;
  align-items:stretch;gap:1px;
  opacity:0;visibility:hidden;transition:.22s;z-index:60;
}
/* 兜底：让子元素全部强制块级，即使 panel 的 flex-direction 没生效也能分行 */
.nav__dd-panel>.nav__dd-item,.nav__dd-panel>.nav__dd-head,.nav__dd-panel>.nav__dd-divider{
  display:block !important;width:100% !important;
  box-sizing:border-box;clear:both;
}
.nav__dd:hover .nav__dd-panel,.nav__dd.is-open .nav__dd-panel{
  opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)
}
.nav__dd-head{font-size:10.5px;font-weight:700;color:var(--secondary);letter-spacing:1.2px;padding:8px 14px 6px;text-transform:uppercase}
.nav__dd-item{
  display:-webkit-box !important;display:-ms-flexbox !important;display:flex !important;
  -webkit-box-orient:horizontal !important;-moz-flex-direction:row !important;-ms-flex-direction:row !important;flex-direction:row !important;
  align-items:center;gap:12px;
  padding:11px 14px;width:100% !important;
  border-radius:8px;color:var(--dark);font-weight:500;font-size:14px;
  transition:background .15s,color .15s;
  white-space:nowrap;line-height:1.2;text-decoration:none;
}
.nav__dd-item:hover{background:var(--bg-alt);color:var(--primary)}
.nav__dd-item:hover .nav__dd-arrow{opacity:1;transform:translateX(0)}
.nav__dd-no{font-size:11px;font-weight:700;color:var(--primary);background:var(--bg-alt);padding:3px 8px;border-radius:6px;min-width:34px;text-align:center;letter-spacing:.5px;flex:0 0 auto}
.nav__dd-name{flex:1 1 auto;min-width:0;overflow:hidden;text-overflow:ellipsis}
.nav__dd-arrow{opacity:0;transform:translateX(-4px);transition:.2s;color:var(--secondary);font-weight:700;flex:0 0 auto}
.nav__dd-divider{height:1px;background:var(--line);margin:6px 10px}
.nav__dd-item--all{
  margin-top:2px;color:var(--primary);font-weight:700;justify-content:flex-start;
  padding:11px 14px;
}
.nav__dd-item--all:hover{background:#fff5ec;color:var(--primary)}
.nav__dd-item--all .nav__dd-arrow{opacity:1;transform:none;color:var(--primary)}
.nav__cta{padding:9px 20px;margin-left:6px}
.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.hamburger span{width:26px;height:3px;background:var(--dark);border-radius:3px;transition:.3s}

/* ============ Hero ============ */
.hero{position:relative;background:linear-gradient(135deg,#F9E8DB 0%,#F6D9C2 55%,#F2C9AE 100%);color:var(--dark);overflow:hidden}
.hero__bg{position:absolute;inset:0;background:radial-gradient(circle at 80% 20%,rgba(255,255,255,.55),transparent 45%),radial-gradient(circle at 10% 90%,rgba(239,169,126,.28),transparent 40%)}
.hero__inner{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;padding:80px 24px 120px}
.hero__badge{display:inline-block;background:rgba(255,255,255,.65);border:1px solid rgba(196,112,63,.28);color:var(--dark);padding:7px 16px;border-radius:999px;font-size:13px;font-weight:600;margin-bottom:22px}
.hero__title{font-size:clamp(26px,3vw,40px);line-height:1.22;font-weight:800;margin-bottom:20px;display:flex;flex-direction:column}
.hero__sub{font-size:17px;max-width:560px;color:#6E5647;margin-bottom:30px}
.hero__actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:24px}
.hero__trust{font-size:14px;color:var(--dark);font-weight:700;display:flex;align-items:center;gap:8px}
.hero__trust::before{content:"";width:28px;height:2px;background:var(--accent)}
.hero__visual{position:relative;max-width:520px;margin-left:auto;border-radius:var(--radius-lg);overflow:hidden;box-shadow:0 12px 40px rgba(74,53,39,.12)}
.hero__visual img{display:block;width:100%;height:auto;aspect-ratio:5/4;object-fit:cover}
.hero__wave{position:absolute;left:0;right:0;bottom:-1px;height:60px;background:var(--bg);clip-path:ellipse(75% 100% at 50% 100%)}

/* ============ 数据条 ============ */
.stats{background:var(--bg);margin-top:-30px;position:relative;z-index:2}
.stats__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:28px 24px;transform:translateY(-40px)}
.stat{text-align:center}
.stat b{display:block;font-size:34px;color:var(--primary);font-weight:800;line-height:1}
.stat span{font-size:13px;color:var(--text)}

/* ============ 通用区块 ============ */
.section{padding:84px 0}
.section--alt{background:var(--bg-alt)}
.section__head{text-align:center;max-width:760px;margin:0 auto 48px}
.eyebrow{display:inline-block;color:var(--secondary);font-weight:700;font-size:13px;letter-spacing:2px;text-transform:uppercase;margin-bottom:12px}
.eyebrow--light{color:#F0C9A8}
.section__title{font-size:clamp(24px,3vw,36px);color:var(--dark);font-weight:800;line-height:1.25}
.section__lead{margin-top:14px;font-size:16px;color:var(--text)}

/* ============ 关于 ============ */
.about{display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:center}
.about__text p{margin-bottom:16px;font-size:16px}
.about__text strong{color:var(--primary)}
.checklist{list-style:none;margin:22px 0 28px;display:grid;gap:12px}
.checklist li{position:relative;padding-left:30px;font-weight:500;color:var(--dark)}
.checklist li::before{content:"✓";position:absolute;left:0;top:0;width:22px;height:22px;background:var(--secondary);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700}
.about__cards{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.mini-card{background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--radius-sm);padding:20px;transition:.25s}
.mini-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--secondary)}
.mini-card__num{display:block;font-size:22px;font-weight:800;color:var(--accent);margin-bottom:6px}
.mini-card span:last-child{font-size:14px;color:var(--text)}

/* ============ 产品分类 ============ */
.pcats{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px;margin-bottom:28px}
.pcat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;transition:.25s}
.pcat:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:var(--secondary)}
.pcat__icon{font-size:34px;margin-bottom:14px}
.pcat h3{color:var(--dark);font-size:18px;margin-bottom:8px}
.pcat p{font-size:14px}

/* ============ 产品表格 ============ */
.ptable-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow-x:auto}
.ptable{width:100%;border-collapse:collapse;font-size:12.5px;min-width:560px}
.ptable thead{background:linear-gradient(90deg,var(--primary),#D0754A);color:#fff}
.ptable th,.ptable td{padding:8px 10px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top;line-height:1.5}
.ptable th{font-weight:600;white-space:normal;line-height:1.3}
.ptable tbody tr:nth-child(even){background:var(--bg-alt)}
.ptable tbody tr:hover{background:#FBEEE2}
.ptable b{color:var(--primary)}
.ptable__code{font-weight:700;color:var(--primary);font-size:12.5px;letter-spacing:.2px}
.ptable__inci{color:var(--secondary);font-style:italic;font-size:11.5px}
.ptable td[rowspan]{background:var(--bg-alt);vertical-align:middle}
.ptable th:last-child,.ptable td:last-child{white-space:normal;word-break:break-word}
.ptable th:last-child{min-width:200px}
.ptable__note{padding:14px 18px;font-size:13px;color:var(--text);background:var(--bg-alt);border-radius:var(--radius-sm);text-align:center}

/* ============ 应用领域 ============ */
.apps{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:22px}
.app{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;transition:.25s;position:relative;overflow:hidden}
.app::before{content:"";position:absolute;top:0;left:0;width:100%;height:4px;background:linear-gradient(90deg,var(--secondary),var(--accent));transform:scaleX(0);transform-origin:left;transition:.3s}
.app:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.app:hover::before{transform:scaleX(1)}
.app__icon{font-size:36px;margin-bottom:14px}
.app h3{color:var(--dark);font-size:19px;margin-bottom:10px}
.app p{font-size:14px}

/* ============ 核心优势 ============ */
.advs{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:22px}
.adv{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;transition:.25s}
.adv:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:var(--primary)}
.adv__no{font-size:30px;font-weight:800;color:var(--line);display:block;margin-bottom:8px}
.adv h3{color:var(--dark);font-size:19px;margin-bottom:10px}
.adv p{font-size:14px}

/* ============ 资质 ============ */
.certs{background:var(--dark);color:#fff;text-align:center;padding:64px 0}
.certs__title{font-size:clamp(22px,3vw,32px);font-weight:800;margin-bottom:30px}
.certs__row{display:flex;flex-wrap:wrap;justify-content:center;gap:16px;margin-bottom:18px}
.cert{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.2);padding:14px 26px;border-radius:999px;font-weight:600;letter-spacing:1px}
.certs__note{font-size:14px;color:#D9C4B5;max-width:680px;margin:0 auto}

/* ============ 行业洞察 ============ */
.news{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news__item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:.25s}
.news__item:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.news__tag{display:inline-block;background:var(--bg-alt);color:var(--secondary);font-size:12px;font-weight:700;padding:4px 12px;border-radius:999px;margin-bottom:14px}
.news__item h3{color:var(--dark);font-size:18px;margin-bottom:10px;line-height:1.35}
.news__item p{font-size:14px}

/* ============ 联系询盘 ============ */
.section--contact{background:linear-gradient(135deg,#B85C38,#D0754A);padding-bottom:90px}
.contact{display:grid;grid-template-columns:1fr;gap:48px;align-items:start}
.contact__info{max-width:640px}
.contact__title{color:#fff;font-size:clamp(24px,3vw,34px);font-weight:800;margin:10px 0 14px}
.contact__lead{color:#FBE9DE;margin-bottom:26px;max-width:460px}
.contact__list{list-style:none;display:grid;gap:18px}
.contact__list li{display:flex;gap:14px;align-items:flex-start;color:#FDF1E9}
.contact__ic{font-size:22px;flex:0 0 auto}
.contact__list b{display:block;color:#fff;font-size:14px;margin-bottom:2px}
.contact__list a:hover{color:var(--accent)}

/* ============ 页脚 ============ */
.footer{background:var(--dark);color:#D9C4B5;padding:60px 0 24px}
.footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}
.footer__col h4{color:#fff;font-size:15px;margin-bottom:16px}
.footer__col a,.footer__col span{display:block;font-size:14px;margin-bottom:10px;color:#D9C4B5}
.footer__col a:hover{color:var(--accent)}
.footer__col--brand p{font-size:14px;margin-top:14px;max-width:300px;color:#C4AC99}
.logo--light .logo__text strong{color:#fff}
.logo--light .logo__text{line-height:1}
.footer__bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:36px;padding-top:20px;text-align:center;font-size:13px;color:#B29A8A}

/* ============ 浮动询盘按钮 ============ */
.fab{position:fixed;right:22px;bottom:22px;z-index:90;background:var(--accent);color:var(--dark);font-weight:700;padding:13px 22px;border-radius:999px;box-shadow:0 10px 26px rgba(239,169,126,.5);display:none}
.fab:hover{transform:translateY(-3px)}

/* ============ 滚动揭示 ============ */
.reveal{opacity:0;transform:translateY(28px);transition:.7s cubic-bezier(.2,.7,.2,1)}
.reveal.show{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media(max-width:980px){
  .hero__inner{grid-template-columns:1fr;padding-top:56px}
  .hero__visual{max-width:380px;margin:10px auto 0}
  .about{grid-template-columns:1fr;gap:32px}
  .contact{grid-template-columns:1fr;gap:32px}
  .pcats,.apps{grid-template-columns:repeat(2,1fr)}
  .advs,.news{grid-template-columns:repeat(2,1fr)}
  .footer__grid{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .nav{position:fixed;top:74px;right:0;height:calc(100vh - 74px);width:78%;max-width:320px;background:#fff;flex-direction:column;align-items:flex-start;gap:6px;padding:20px;transform:translateX(110%);transition:.3s;box-shadow:var(--shadow-lg);border-left:1px solid var(--line)}
  .nav.open{transform:translateX(0)}
  .nav__link{padding:12px 0;width:100%;border-bottom:1px solid var(--line)}
  .nav__dd{width:100%;border-bottom:1px solid var(--line)}
  .nav__dd-toggle{padding:12px 0;width:100%;justify-content:flex-start;font-weight:600}
  .nav__caret{margin-left:auto;margin-right:4px}
  .nav__dd-panel{
    position:static;transform:none;min-width:0;max-width:100%;opacity:1;visibility:hidden;
    max-height:0;overflow:hidden;padding:0;border:0;box-shadow:none;
    transition:.25s;background:transparent;
    display:block !important;
    -webkit-box-orient:vertical !important;flex-direction:column !important;
  }
  .nav__dd.is-open .nav__dd-panel{visibility:visible;max-height:1000px;padding:4px 0 6px}
  .nav__dd-panel>.nav__dd-item,.nav__dd-panel>.nav__dd-head,.nav__dd-panel>.nav__dd-divider{
    display:block !important;width:100% !important;box-sizing:border-box;clear:both;
  }
  .nav__dd-head{padding:6px 8px 4px}
  .nav__dd-item{padding:11px 8px;border-radius:0;font-size:14px;width:100%}
  .nav__dd-item:hover{background:transparent;color:var(--primary)}
  .nav__dd-item--all{margin-top:6px;border-top:1px solid var(--line);border-radius:8px;padding:12px;margin-left:0}
  .nav__dd-item--all:hover{background:#fff5ec}
  .nav__cta{margin:10px 0 0;width:100%}
  .hamburger{display:flex}
  .stats__grid{grid-template-columns:repeat(2,1fr);gap:14px;padding:20px 14px}
  .pcats,.apps,.advs,.news{grid-template-columns:1fr}
  .about__cards{grid-template-columns:1fr 1fr}
  .footer__grid{grid-template-columns:1fr}
  .topbar__inner{font-size:11px}
  .section{padding:60px 0}
  .fab{display:inline-flex}
}

/* ============ 产品中心 Hero ============ */
.phero{position:relative;background:linear-gradient(135deg,#C4703F 0%,#D88555 55%,#E8996E 100%);color:#fff;overflow:hidden;padding:30px 0 54px}
.phero__bg{position:absolute;inset:0;background:radial-gradient(circle at 88% 18%,rgba(255,255,255,.18),transparent 45%),radial-gradient(circle at 8% 80%,rgba(255,255,255,.12),transparent 40%)}
.phero__inner{position:relative}
.phero .breadcrumb{padding:0 0 18px;color:rgba(255,255,255,.85)}
.phero .breadcrumb a{color:rgba(255,255,255,.85)}
.phero .breadcrumb a:hover{color:#fff}
.phero .breadcrumb .cur{color:#fff;font-weight:700}
.phero__title .eyebrow{color:rgba(255,255,255,.85);font-weight:700}
.phero__title h1{font-size:clamp(28px,3.6vw,42px);font-weight:800;line-height:1.2;color:#fff;margin-bottom:14px}
.phero__title p{color:rgba(255,255,255,.92);font-size:15.5px;max-width:780px}

/* ============ 产品中心：左切换 + 右表格 ============ */
.pcatalog{background:var(--bg);padding:54px 0 30px}
.pcat-layout{display:grid;grid-template-columns:280px 1fr;gap:36px;align-items:flex-start}
.pcat-side{position:sticky;top:96px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px 18px;align-self:start}
.pcat-side__head{margin-bottom:18px;padding:0 4px}
.pcat-side__head h3{font-size:18px;color:var(--dark);font-weight:800;margin:6px 0 6px}
.pcat-side__head p{font-size:13px;color:var(--text);line-height:1.55}
.pcat-side__list{list-style:none;display:grid;gap:4px;margin-bottom:18px}
.pcat-side__item{display:flex;align-items:center;gap:10px;width:100%;background:transparent;border:0;border-radius:10px;padding:11px 12px;text-align:left;cursor:pointer;font-family:inherit;font-size:14px;color:var(--text);transition:.18s}
.pcat-side__item:hover{background:var(--bg-alt);color:var(--dark)}
.pcat-side__item.is-active{background:linear-gradient(90deg,#FBE0CB,#F9D2B6);color:var(--dark);font-weight:700;box-shadow:inset 3px 0 0 var(--primary)}
.pcat-side__item.is-active .pcat-side__no{color:var(--primary)}
.pcat-side__no{flex:0 0 auto;font-size:12px;font-weight:800;color:#B9A99E;width:26px;height:26px;display:flex;align-items:center;justify-content:center;background:#fff;border-radius:8px;border:1px solid var(--line)}
.pcat-side__name{flex:1;line-height:1.3}
.pcat-side__cta{display:flex;align-items:center;gap:12px;padding:14px 12px;background:linear-gradient(135deg,var(--bg-alt),#fff);border:1px dashed var(--secondary);border-radius:12px;margin-top:6px}
.pcat-side__cta-ic{width:38px;height:38px;flex:0 0 auto;display:flex;align-items:center;justify-content:center;background:var(--primary);color:#fff;border-radius:10px;font-size:18px}
.pcat-side__cta strong{display:block;color:var(--dark);font-size:14px;margin-bottom:2px}
.pcat-side__cta em{font-style:normal;font-size:12px;color:var(--text)}

/* ---------- 右侧品类面板 ---------- */
.pcat-panels{min-width:0}
.pcat-panel{display:none;animation:fade .25s ease}
.pcat-panel.is-active{display:block}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.pcat-panel__head{display:flex;align-items:flex-start;gap:18px;margin-bottom:22px;padding-bottom:18px;border-bottom:1px solid var(--line)}
.pcat-panel__no{flex:0 0 auto;width:54px;height:54px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;border-radius:14px;font-size:22px;font-weight:800;box-shadow:0 6px 18px rgba(196,112,63,.25)}
.pcat-panel__head h2{font-size:clamp(22px,2.6vw,30px);color:var(--dark);font-weight:800;line-height:1.25;margin-bottom:8px}
.pcat-panel__head p{color:var(--text);font-size:14.5px;max-width:760px}

/* ---------- 表格适配：pdesc / pcodes ---------- */
.pcat-panel .ptable th{font-size:13px;letter-spacing:.3px}
.pcat-panel .ptable td{padding:16px 18px;vertical-align:top}
.pcat-panel .ptable tbody td b{display:block;color:var(--dark);font-size:15px;margin-bottom:4px}
.pdesc{display:block;font-size:13px;color:var(--text);line-height:1.5}
.pcodes{font-size:13px;color:var(--primary);font-weight:600;line-height:1.7;letter-spacing:.2px}
.pcodes code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12.5px;background:var(--bg-alt);padding:2px 7px;border-radius:6px;border:1px solid var(--line);margin:2px 3px 0 0;display:inline-block;color:var(--dark);font-weight:600}

/* ---------- 询盘 CTA ---------- */
.pcta{padding-top:30px;padding-bottom:80px}

/* ============ /products 总览：8 大类卡片 ============ */
.cat-overview{padding:56px 0 30px;background:var(--bg-alt)}
.cat-overview__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.cat-card{
  display:flex;flex-direction:column;gap:12px;padding:26px 24px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  color:var(--dark);transition:.25s;position:relative;
}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--secondary)}
.cat-card__no{
  font-size:12px;font-weight:700;color:var(--primary);
  background:var(--bg-alt);padding:4px 10px;border-radius:6px;
  align-self:flex-start;letter-spacing:1px;
}
.cat-card h3{color:var(--dark);font-size:18px;line-height:1.35}
.cat-card p{font-size:13.5px;color:var(--text);line-height:1.6;flex:1}
.cat-card__codes{display:flex;flex-wrap:wrap;gap:5px}
.cat-card__codes .code-chip{font-size:11px}
.cat-card__more{font-size:13px;font-weight:700;color:var(--primary);margin-top:6px}
.cat-card:hover .cat-card__more{color:var(--accent)}

/* ============ 品类汇总页 /products/<cat> 子产品卡片 ============ */
.cat-products{padding:56px 0 30px;background:var(--bg-alt)}
.cat-products__grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.prod-card{
  display:flex;flex-direction:column;gap:10px;padding:24px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  color:var(--dark);transition:.25s;position:relative;
}
.prod-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--secondary)}
.prod-card__head{display:flex;align-items:baseline;justify-content:space-between;gap:12px}
.prod-card__head h3{font-size:17px;color:var(--dark)}
.prod-card__inci{font-size:11.5px;color:var(--primary);background:var(--bg-alt);padding:3px 9px;border-radius:999px;font-weight:600;letter-spacing:.3px;white-space:nowrap}
.prod-card__desc{font-size:13.5px;color:var(--text);line-height:1.6;flex:1}
.prod-card__codes{display:flex;flex-wrap:wrap;gap:5px;margin-top:4px}
.prod-card__codes .code-chip{font-size:11px}
.prod-card__more{font-size:13px;font-weight:700;color:var(--primary);margin-top:6px}
.prod-card:hover .prod-card__more{color:var(--accent)}

/* ============ 品类页底部「其它品类」导航 ============ */
.cat-others{padding:50px 0 70px}
.cat-others h2{text-align:center;font-size:24px;color:var(--dark);margin-bottom:24px}
.cat-others__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:28px}
.other-link{
  display:flex;align-items:center;gap:10px;padding:14px 16px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  color:var(--dark);font-weight:500;font-size:13.5px;transition:.2s;
}
.other-link:hover{border-color:var(--secondary);background:var(--bg-alt);color:var(--primary);transform:translateY(-2px)}
.other-link__no{font-size:11px;font-weight:700;color:var(--primary);background:var(--bg-alt);padding:3px 8px;border-radius:6px;min-width:32px;text-align:center}
.other-link__name{flex:1}
.cat-others__all{text-align:center}

/* ============ 响应式：品类卡片 ============ */
@media (max-width:980px){
  .cat-overview__grid,.cat-others__grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:620px){
  .cat-overview__grid,.cat-others__grid,.cat-products__grid{grid-template-columns:1fr}
}
.pname{color:var(--primary);text-decoration:none;transition:.18s}
.pname:hover{text-decoration:underline;color:#A85E33}
.pcodes .pcode{color:var(--primary);font-weight:600;transition:.18s;padding-bottom:1px}
.pcodes a.pcode{text-decoration:none;border-bottom:1px dashed var(--accent)}
.pcodes a.pcode:hover{color:#A85E33;border-bottom-style:solid}
.pcodes span.pcode{border-bottom:none}
.pcta .contact{grid-template-columns:1fr}
.pcta .contact__info{max-width:none;text-align:center}
.pcta .contact__title{color:#fff}
.pcta .contact__lead{color:#FBE9DE;margin-left:auto;margin-right:auto}

/* ============ 响应式 ============ */
@media(max-width:980px){
  .pcat-layout{grid-template-columns:1fr;gap:24px}
  .pcat-side{position:static}
  .pcat-side__list{display:grid;grid-template-columns:repeat(2,1fr);gap:6px}
  .pcat-side__item{padding:10px}
  .pcat-panel__head{flex-direction:row;gap:14px}
  .pcat-panel__no{width:46px;height:46px;font-size:19px}
}
@media(max-width:640px){
  .phero{padding:22px 0 38px}
  .pcat-side__list{grid-template-columns:1fr}
  .pcat-panel__head{flex-direction:column;gap:10px}
  .pcat-panel .ptable thead{display:none}
  .pcat-panel .ptable,.pcat-panel .ptable tbody,.pcat-panel .ptable tr,.pcat-panel .ptable td{display:block;width:100%}
  .pcat-panel .ptable tr{background:var(--bg-alt);border:1px solid var(--line);border-radius:10px;padding:12px 14px;margin-bottom:10px}
  .pcat-panel .ptable tbody tr:nth-child(even){background:var(--bg-alt)}
  .pcat-panel .ptable td{padding:6px 0;border:0}
  .pcat-panel .ptable td:first-child::before{content:"Product Name";display:block;font-size:11px;color:var(--secondary);font-weight:700;letter-spacing:.5px;text-transform:uppercase;margin-bottom:4px}
  .pcat-panel .ptable td.pcodes{padding-top:8px;margin-top:6px;border-top:1px dashed var(--line)}
  .pcat-panel .ptable td.pcodes::before{content:"Grade Codes";display:block;font-size:11px;color:var(--secondary);font-weight:700;letter-spacing:.5px;text-transform:uppercase;margin-bottom:4px}
  .pcta{padding-bottom:60px}
}

/* ============ 产品详情页 ============ */
.breadcrumb{font-size:13px;color:var(--text);padding:20px 0 0}
.breadcrumb a{color:var(--text)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{margin:0 8px;opacity:.45}
.breadcrumb .cur{color:var(--primary);font-weight:600}
.prod-hero{background:linear-gradient(135deg,#F9E8DB 0%,#F4D2BB 100%);padding:28px 0 52px}
.prod-hero__inner{display:flex;align-items:center;gap:24px}
.prod-hero__ic{font-size:44px;width:90px;height:90px;flex:0 0 auto;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.6);border:1px solid rgba(196,112,63,.25);border-radius:20px}
.prod-hero h1{color:var(--dark);font-size:clamp(26px,3.4vw,40px);font-weight:800;line-height:1.2;margin-bottom:10px}
.prod-hero p{color:#6E5647;max-width:660px;font-size:15px}
.prod-codes{margin-top:16px;display:flex;flex-wrap:wrap;gap:7px}
.prod-codes .code-chip{font-size:12px;padding:4px 11px}
.prod-section{padding:52px 0}
.prod-section h2{color:var(--dark);font-size:23px;font-weight:800;margin-bottom:20px;display:flex;align-items:center;gap:11px}
.prod-section h2::before{content:"";width:6px;height:24px;background:var(--secondary);border-radius:3px;display:inline-block}
.prod-desc p{font-size:15.5px;margin-bottom:14px;max-width:840px;color:var(--text)}
.prod-meta{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin:6px 0 4px}
.prod-meta__item{background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--radius-sm);padding:16px 18px}
.prod-meta__item b{display:block;color:var(--primary);font-size:12.5px;margin-bottom:5px;letter-spacing:.3px}
.prod-meta__item span{font-size:14px;color:var(--dark)}
.sample-note{font-size:12.5px;color:var(--text);background:#FFF7EF;border:1px dashed var(--accent);border-radius:var(--radius-sm);padding:11px 15px;margin:16px 0;display:inline-block;line-height:1.55}
.prod-cta{background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--radius);padding:32px 28px;text-align:center;margin-top:8px}
.prod-cta h3{color:var(--dark);font-size:21px;margin-bottom:10px}
.prod-cta p{margin-bottom:20px;font-size:14.5px;max-width:560px;margin-left:auto;margin-right:auto}
.prod-back{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:600;font-size:14px;margin-top:8px}
.prod-back:hover{text-decoration:underline}

/* ============ 响应式补充 ============ */
@media(max-width:980px){
  .pcat-index{grid-template-columns:48px 1fr;grid-template-areas:"ic body" "link link";row-gap:14px}
  .pcat-index__ic{grid-area:ic}
  .pcat-index__body{grid-area:body}
  .pcat-index__link{grid-area:link;justify-content:center}
  .pcat-index--soon .tag-soon{grid-area:link;justify-self:start}
}
@media(max-width:640px){
  .prod-hero__inner{flex-direction:column;align-items:flex-start;gap:16px}
  .prod-hero__ic{width:72px;height:72px;font-size:36px}
}

/* ============ 创基式产品中心 v3：左 Products 侧栏 + 右主内容 ============ */
.psection{padding:30px 0 22px;border-bottom:1px solid var(--line);background:#fff}
.psection__h1{font-size:clamp(24px,2.6vw,32px);color:var(--dark);font-weight:700;margin:8px 0 0;letter-spacing:-.01em}
.psection__lead{margin:14px 0 0;font-size:14.5px;color:var(--text);line-height:1.7;max-width:780px}
.psection__codes{margin:12px 0 0;display:flex;flex-wrap:wrap;gap:6px}
.psection__codes .code-chip{font-size:12px;padding:3px 10px}

.pcat-layout{display:block;padding:30px 0 60px;background:#FAF7F4}
.pcat-layout__inner{display:grid;grid-template-columns:240px 1fr;gap:32px;align-items:start}

.psidebar{position:sticky;top:96px;background:#fff;border:1px solid var(--line);border-radius:6px;overflow:hidden}
.psidebar__h{font-size:13px;font-weight:700;color:#fff;background:var(--primary);padding:10px 18px;margin:0;letter-spacing:.4px;text-transform:uppercase}
.psidebar__list{list-style:none;padding:6px 0;margin:0}
.psidebar__list li a{display:flex;align-items:center;gap:10px;padding:9px 18px;color:var(--dark);font-size:13.5px;border-left:3px solid transparent;transition:background .15s,color .15s,border-color .15s;line-height:1.4}
.psidebar__list li a:hover{background:var(--bg-alt);color:var(--primary)}
.psidebar__list li a.is-current{background:var(--bg-alt);color:var(--primary);border-left-color:var(--secondary);font-weight:600}
.psidebar__list li a span:first-child{font-size:11px;color:var(--text);font-weight:600;min-width:18px;text-align:center}
.psidebar__all{display:block;padding:11px 18px;font-size:13px;color:var(--primary);font-weight:600;border-top:1px solid var(--line);text-align:center}
.psidebar__all:hover{background:var(--bg-alt)}

.pcat-main{min-width:0}
.pcat-h2{color:var(--dark);font-size:20px;font-weight:700;margin:24px 0 14px;padding-bottom:6px;border-bottom:2px solid var(--secondary);display:inline-block}
.pcat-h2:first-child{margin-top:0}
.pcat-intro{font-size:14.5px;color:var(--text);line-height:1.7;margin:6px 0 18px}

/* 05-10 品类：item 待补充时的占位块 */
.pcat-empty{background:#fff;border:1px dashed var(--line);border-left:3px solid var(--accent);border-radius:6px;padding:20px 22px;margin:4px 0 6px}
.pcat-empty p{margin:0 0 8px;font-size:14px;line-height:1.7;color:var(--text)}
.pcat-empty p:last-child{margin-bottom:0}
.pcat-empty p:first-child b{color:var(--dark);font-size:15px}

/* 总览表：待补充牌号 */
.ptable-cat--overview .pdesc{font-size:13px;line-height:1.65;color:var(--text)}
.pcode--soon{color:var(--secondary) !important;font-size:12.5px;font-style:italic;border-bottom:none !important;font-weight:400 !important}

.ptable-cat{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:4px;overflow:hidden;font-size:13.5px}
.ptable-cat thead th{background:var(--primary);color:#fff;padding:11px 14px;text-align:left;font-weight:600;letter-spacing:.3px;border-right:1px solid rgba(255,255,255,.15)}
.ptable-cat thead th:last-child{border-right:none}
.ptable-cat tbody td,.ptable-cat tbody th{padding:11px 14px;border-bottom:1px solid var(--line);color:var(--dark);vertical-align:top}
.ptable-cat tbody tr:last-child td,.ptable-cat tbody tr:last-child th{border-bottom:none}
.ptable-cat tbody tr:hover{background:#FDF9F4}
.ptable-cat .pname a{font-weight:600;color:var(--primary);text-decoration:none}
.ptable-cat .pname a:hover{text-decoration:underline}
.ptable-cat .pcodes{color:var(--text);line-height:1.75}
.ptable-cat .pcat-intro-cell{color:var(--text);line-height:1.6;font-size:13.5px}

.ptable-cat--spec thead th{font-size:13px}
.ptable-cat--spec tbody td{font-size:13px}
.ptable-cat--spec tbody td b{color:var(--primary)}

.ptable-cat--meta tbody th{background:var(--bg-alt);color:var(--primary);font-weight:600;text-align:left;width:20%}
.ptable-cat--meta tbody td{color:var(--dark)}

.ptable-cat--cat thead th{font-size:13px}

.pcat-cta{margin-top:28px;padding:22px 24px;background:var(--bg-alt);border:1px solid var(--line);border-radius:6px;display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap}
.pcat-cta p{margin:0;font-size:14px;color:var(--dark);line-height:1.6;flex:1;min-width:240px}
.pcat-cta__btn{display:inline-flex;align-items:center;gap:8px;background:var(--secondary);color:#fff;padding:11px 22px;border-radius:6px;font-weight:700;font-size:14px;text-decoration:none;white-space:nowrap;transition:background .2s}
.pcat-cta__btn:hover{background:#A05A2E}

@media(max-width:980px){
  .pcat-layout__inner{grid-template-columns:1fr;gap:18px}
  .psidebar{position:static}
}
@media(max-width:640px){
  .ptable-cat{font-size:12.5px}
  .ptable-cat thead th,.ptable-cat tbody td{padding:9px 10px}
  .pcat-cta{flex-direction:column;align-items:flex-start}
  .pcat-cta__btn{width:100%;justify-content:center}
}