/* ================================================
   Junmei Paper Products - Official Website
   Multi-language (zh / en / fr) Corporate Style
   ================================================ */

/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --c-primary: #1a3a5c;
  --c-primary-light: #2d5a8b;
  --c-primary-dark: #0f2740;
  --c-accent: #c89517;
  --c-accent-light: #e0b030;
  --c-bg: #f8f9fb;
  --c-bg-alt: #eef1f5;
  --c-white: #ffffff;
  --c-text: #2a2f36;
  --c-text-light: #6b7280;
  --c-border: #e2e5ea;
  --c-shadow: 0 2px 12px rgba(0,0,0,.08);
  --c-shadow-lg: 0 8px 32px rgba(0,0,0,.12);
  --radius: 8px;
  --radius-lg: 16px;
  --max-w: 1280px;
  --header-h: 72px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font);
  color: var(--c-text);
  background: var(--c-bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--c-primary-light); text-decoration: none; transition: color .2s; }
a:hover { color: var(--c-accent); }

img { max-width: 100%; height: auto; display: block; }

ul { list-style: none; }

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }

/* ===== Header ===== */
.site-header {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--header-h);
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--c-border);
  z-index: 1000;
  transition: box-shadow .3s;
}
.site-header.scrolled { box-shadow: var(--c-shadow); }

.header-inner {
  max-width: var(--max-w); margin: 0 auto; padding: 0 24px;
  height: 100%; display: flex; align-items: center; justify-content: space-between;
}

.logo {
  display: flex; align-items: center; gap: 10px;
  font-size: 1.08rem; font-weight: 700; color: var(--c-primary);
  cursor: pointer;
}
.logo-img { height: 34px; width: auto; display: block; }
.logo-text { letter-spacing: -.5px; white-space: nowrap; }

.main-nav { display: flex; align-items: center; gap: 2px; }
.main-nav a {
  padding: 8px 11px; border-radius: var(--radius);
  font-size: .87rem; font-weight: 500; color: var(--c-text);
  transition: all .2s; white-space: nowrap;
}
.main-nav a:hover { background: var(--c-bg-alt); color: var(--c-primary); }
.main-nav a.active { background: var(--c-primary); color: #fff; }

.header-right { display: flex; align-items: center; gap: 12px; }

/* Language switcher */
.lang-switch {
  display: flex; align-items: center; gap: 4px;
  background: var(--c-bg-alt); border-radius: var(--radius); padding: 3px;
}
.lang-btn {
  padding: 5px 10px; border: none; background: none;
  font-size: .8rem; font-weight: 600; color: var(--c-text-light);
  cursor: pointer; border-radius: 5px; transition: all .2s;
}
.lang-btn.active { background: var(--c-white); color: var(--c-primary); box-shadow: 0 1px 3px rgba(0,0,0,.1); }

/* Quote button */
.btn-quote {
  padding: 8px 18px; border-radius: var(--radius);
  background: var(--c-accent); color: #fff;
  font-size: .88rem; font-weight: 600; border: none; cursor: pointer;
  transition: all .2s;
}
.btn-quote:hover { background: var(--c-accent-light); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(200,149,23,.35); }

/* Mobile menu toggle */
.menu-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.menu-toggle span { display: block; width: 24px; height: 2px; background: var(--c-text); margin: 5px 0; transition: .3s; border-radius: 2px; }

/* ===== Hero / Banner ===== */
.hero {
  position: relative; height: 560px; overflow: hidden;
  margin-top: var(--header-h);
}
.hero-slides { position: absolute; inset: 0; }
.hero-slide {
  position: absolute; inset: 0; opacity: 0; transition: opacity 1s ease;
  background-size: cover; background-position: center;
}
.hero-slide.active { opacity: 1; }
.hero-slide::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(15,39,64,.75) 0%, rgba(26,58,92,.55) 50%, rgba(200,149,23,.3) 100%);
}
.hero-content {
  position: relative; z-index: 2; height: 100%;
  display: flex; flex-direction: column; justify-content: center;
  max-width: var(--max-w); margin: 0 auto; padding: 0 24px;
}
.hero-title { font-size: 2.5rem; font-weight: 800; color: #fff; line-height: 1.3; max-width: 700px; margin-bottom: 16px; }
.hero-subtitle { font-size: 1.15rem; color: rgba(255,255,255,.9); max-width: 600px; }

.hero-dots { position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%); display: flex; gap: 10px; z-index: 3; }
.hero-dot { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,.4); cursor: pointer; transition: .3s; }
.hero-dot.active { background: var(--c-accent); width: 30px; border-radius: 5px; }

/* ===== Page Hero (sub-pages) ===== */
.page-hero {
  margin-top: var(--header-h);
  padding: 80px 0 60px;
  background: linear-gradient(135deg, var(--c-primary-dark), var(--c-primary));
  color: #fff; text-align: center;
}
.page-hero h1 { font-size: 2.2rem; font-weight: 800; margin-bottom: 10px; }
.page-hero p { font-size: 1.1rem; opacity: .85; }

/* ===== Section base ===== */
.section { padding: 72px 0; }
.section.alt { background: var(--c-bg-alt); }
.section-title { text-align: center; margin-bottom: 48px; }
.section-title h2 { font-size: 2rem; font-weight: 700; color: var(--c-primary); margin-bottom: 8px; }
.section-title p { color: var(--c-text-light); font-size: 1.05rem; }
.section-title .accent-line { width: 60px; height: 3px; background: var(--c-accent); margin: 12px auto 0; border-radius: 2px; }

/* ===== Who We Are ===== */
.who-section { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.who-text h2 { font-size: 1.8rem; color: var(--c-primary); margin-bottom: 16px; }
.who-text p { color: var(--c-text-light); margin-bottom: 20px; }
.who-points li { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 12px; color: var(--c-text); }
.who-points li::before { content: "✓"; color: var(--c-accent); font-weight: 700; margin-top: 2px; }
.who-image { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--c-shadow-lg); aspect-ratio: 4/3; }
.who-image img { width: 100%; height: 100%; object-fit: cover; }

/* ===== Product Categories Grid ===== */
.products-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.product-card {
  background: var(--c-white); border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--c-shadow); transition: all .3s; cursor: pointer;
}
.product-card:hover { transform: translateY(-4px); box-shadow: var(--c-shadow-lg); }
.product-card .img-wrap { position: relative; aspect-ratio: 4/3; overflow: hidden; }
.product-card .img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.product-card:hover .img-wrap img { transform: scale(1.06); }
.product-tag {
  position: absolute; top: 12px; left: 12px;
  padding: 4px 12px; border-radius: 20px;
  font-size: .75rem; font-weight: 600; color: #fff;
  background: var(--c-accent); z-index: 2;
}
.product-tag.key { background: var(--c-primary); }
.product-card .card-body { padding: 20px; }
.product-card h3 { font-size: 1.15rem; color: var(--c-primary); margin-bottom: 8px; }
.product-card p { font-size: .9rem; color: var(--c-text-light); }

/* ===== Scenarios ===== */
.scenarios-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.scenario-card { border-radius: var(--radius-lg); overflow: hidden; position: relative; aspect-ratio: 3/4; cursor: pointer; }
.scenario-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.scenario-card:hover img { transform: scale(1.08); }
.scenario-card .overlay {
  position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: flex-end;
  padding: 20px; background: linear-gradient(to top, rgba(15,39,64,.85), rgba(15,39,64,.1)); color: #fff;
}
.scenario-card h3 { font-size: 1.1rem; margin-bottom: 6px; }
.scenario-card p { font-size: .85rem; opacity: .85; }

/* ===== Capabilities ===== */
.capabilities-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }
/* 4 项时用 4 列并限宽居中，避免 5 列栅格留空列导致整体左偏 */
.capabilities-grid.cols-4 { grid-template-columns: repeat(4, 1fr); max-width: 1080px; margin: 0 auto; }
.cap-item { text-align: center; padding: 32px 16px; background: var(--c-white); border-radius: var(--radius-lg); box-shadow: var(--c-shadow); transition: .3s; }
.cap-item:hover { transform: translateY(-3px); box-shadow: var(--c-shadow-lg); }
.cap-icon { width: 56px; height: 56px; margin: 0 auto 16px; border-radius: 50%; background: var(--c-bg-alt); display: flex; align-items: center; justify-content: center; font-size: 1.5rem; color: var(--c-primary); }
.cap-item h3 { font-size: 1rem; color: var(--c-primary); margin-bottom: 8px; }
.cap-item p { font-size: .85rem; color: var(--c-text-light); }

/* ===== Compliance Strip ===== */
.compliance-strip { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.compliance-points li { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 16px; }
.compliance-points li::before { content: "✓"; width: 24px; height: 24px; border-radius: 50%; background: var(--c-primary); color: #fff; display: flex; align-items: center; justify-content: center; font-size: .75rem; font-weight: 700; flex-shrink: 0; }
.compliance-image { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--c-shadow-lg); aspect-ratio: 16/10; }
.compliance-image img { width: 100%; height: 100%; object-fit: cover; }

/* ===== CTA ===== */
.cta-section {
  padding: 64px 0; text-align: center;
  background: linear-gradient(135deg, var(--c-primary), var(--c-primary-dark));
  color: #fff;
}
.cta-section h2 { font-size: 2rem; margin-bottom: 12px; }
.cta-section p { font-size: 1.1rem; opacity: .85; margin-bottom: 28px; }
.btn-cta {
  display: inline-block; padding: 14px 40px; border-radius: var(--radius);
  background: var(--c-accent); color: #fff; font-size: 1rem; font-weight: 600;
  border: none; cursor: pointer; transition: all .2s;
}
.btn-cta:hover { background: var(--c-accent-light); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(200,149,23,.4); }

/* ===== About Page ===== */
.vision-block { max-width: 800px; margin: 0 auto; text-align: center; }
.vision-block h2 { font-size: 1.6rem; color: var(--c-primary); margin-bottom: 16px; }
.vision-block p { font-size: 1.05rem; color: var(--c-text-light); line-height: 1.8; }

.advantages-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.advantage-card { padding: 32px; background: var(--c-white); border-radius: var(--radius-lg); box-shadow: var(--c-shadow); transition: .3s; border-top: 3px solid transparent; }
.advantage-card:hover { transform: translateY(-3px); box-shadow: var(--c-shadow-lg); border-top-color: var(--c-accent); }
.advantage-card .num { font-size: 2rem; font-weight: 800; color: var(--c-accent); opacity: .3; margin-bottom: 8px; }
.advantage-card h3 { font-size: 1.15rem; color: var(--c-primary); margin-bottom: 10px; }
.advantage-card p { font-size: .9rem; color: var(--c-text-light); }

.production-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.production-item { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--c-shadow); background: var(--c-white); }
.production-item .img-wrap { aspect-ratio: 4/3; overflow: hidden; }
.production-item img { width: 100%; height: 100%; object-fit: cover; }
.production-item .body { padding: 16px; }
.production-item h4 { font-size: .95rem; color: var(--c-primary); margin-bottom: 6px; }
.production-item p { font-size: .82rem; color: var(--c-text-light); }

/* ===== Product Catalog Page ===== */
.catalog-entry { text-align: center; margin-bottom: 44px; }
.catalog-entry .btn-cta { font-size: .95rem; }

.catalog-intro { max-width: 880px; margin: 0 auto 34px; text-align: center; color: var(--c-text-light); font-size: 1.02rem; line-height: 1.85; }

.catalog-tabs { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }
.catalog-tab {
  padding: 9px 20px; border: 1px solid var(--c-border); background: var(--c-white);
  border-radius: 24px; font-size: .88rem; font-weight: 600; color: var(--c-text-light);
  cursor: pointer; font-family: var(--font); transition: all .2s;
}
.catalog-tab:hover { border-color: var(--c-primary-light); color: var(--c-primary); }
.catalog-tab.active { background: var(--c-primary); border-color: var(--c-primary); color: #fff; box-shadow: 0 4px 12px rgba(26,58,92,.22); }

.catalog-panel { margin-bottom: 34px; }
.catalog-panel:last-child { margin-bottom: 0; }
.catalog-panel-head { display: flex; align-items: center; gap: 12px; border-left: 4px solid var(--c-accent); padding-left: 14px; margin-bottom: 8px; }
.catalog-panel-head h3 { font-size: 1.15rem; color: var(--c-primary); }
.catalog-count { font-size: .78rem; color: var(--c-text-light); background: var(--c-white); border: 1px solid var(--c-border); padding: 2px 10px; border-radius: 12px; }
.catalog-panel-desc { color: var(--c-text-light); font-size: .92rem; margin: 0 0 16px 18px; }
.catalog-hint { margin: 0 0 18px 18px; padding: 10px 16px; background: var(--c-white); border-left: 3px solid var(--c-accent); border-radius: var(--radius); font-size: .85rem; color: var(--c-text-light); }

/* 横向滑动条带 */
.catalog-strip {
  display: flex; gap: 14px;
  overflow-x: auto; padding: 4px 2px 14px;
  scroll-snap-type: x proximity; -webkit-overflow-scrolling: touch;
}
.catalog-strip::-webkit-scrollbar { height: 8px; }
.catalog-strip::-webkit-scrollbar-track { background: var(--c-bg); border-radius: 4px; }
.catalog-strip::-webkit-scrollbar-thumb { background: #ccd6e0; border-radius: 4px; }
.catalog-strip::-webkit-scrollbar-thumb:hover { background: #a9b8c7; }
.catalog-card {
  flex: 0 0 210px; scroll-snap-align: start;
  background: var(--c-white); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--c-shadow);
  border: 1px solid var(--c-border); transition: all .25s;
}
.catalog-card:hover { transform: translateY(-3px); box-shadow: var(--c-shadow-lg); border-color: var(--c-accent); }
.catalog-card .img-wrap { aspect-ratio: 4/3; overflow: hidden; background: var(--c-bg); }
.catalog-card .img-wrap img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .35s; }
.catalog-card:hover .img-wrap img { transform: scale(1.06); }
.catalog-card figcaption { padding: 9px 12px; }
.catalog-card figcaption h4 { font-size: .8rem; color: var(--c-primary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.catalog-swipe-hint { font-size: .75rem; color: var(--c-text-light); opacity: .75; }

/* 占位卡（图册待上传） */
.catalog-card.placeholder { background: transparent; box-shadow: none; border: 1.5px dashed var(--c-border); }
.catalog-card.placeholder:hover { transform: none; border-color: var(--c-accent); box-shadow: none; }
.catalog-card.placeholder .img-wrap { display: flex; align-items: center; justify-content: center; background: rgba(255,255,255,.5); }
.catalog-card.placeholder .ph-icon { font-size: 1.6rem; color: var(--c-text-light); opacity: .45; line-height: 1; }
.catalog-card.placeholder .ph-body { padding: 10px 12px; text-align: center; }
.catalog-card.placeholder .ph-body h4 { font-size: .8rem; font-weight: 600; color: var(--c-text-light); }

/* ===== 图册放大弹窗 ===== */
.lightbox {
  position: fixed; inset: 0; z-index: 1200;
  background: rgba(10, 22, 36, .86);
  display: flex; align-items: center; justify-content: center;
  padding: 36px; animation: lbFade .18s ease-out;
}
@keyframes lbFade { from { opacity: 0; } to { opacity: 1; } }
.lightbox .lb-inner {
  background: var(--c-white); border-radius: var(--radius-lg);
  overflow: hidden; max-width: 1040px; width: 100%;
  box-shadow: 0 24px 60px rgba(0, 0, 0, .45);
  animation: lbPop .22s ease-out;
}
@keyframes lbPop { from { transform: scale(.96); opacity: .6; } to { transform: scale(1); opacity: 1; } }
.lightbox .lb-inner img { width: 100%; height: auto; display: block; background: var(--c-bg); }
.lightbox .lb-cap { padding: 16px 22px 20px; }
.lightbox .lb-cap h4 { font-size: 1.05rem; color: var(--c-primary); margin-bottom: 4px; }
.lightbox .lb-cap p { font-size: .86rem; color: var(--c-text-light); }
.lightbox .lb-close {
  position: absolute; top: 18px; right: 22px;
  width: 42px; height: 42px; border-radius: 50%; border: none;
  background: rgba(255, 255, 255, .16); color: #fff;
  font-size: 1.6rem; line-height: 1; cursor: pointer; transition: background .2s;
}
.lightbox .lb-close:hover { background: rgba(255, 255, 255, .3); }

/* ===== Process timeline ===== */
.process-timeline { display: flex; gap: 0; overflow-x: auto; padding-bottom: 16px; }
.process-step { flex: 1; min-width: 140px; text-align: center; position: relative; padding: 0 12px; }
.process-step .step-num { width: 48px; height: 48px; border-radius: 50%; background: var(--c-primary); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 1.1rem; font-weight: 700; margin: 0 auto 12px; position: relative; z-index: 2; }
.process-step:not(:last-child)::after { content: ''; position: absolute; top: 24px; left: 50%; width: 100%; height: 2px; background: var(--c-border); z-index: 1; }
.process-step h4 { font-size: .9rem; color: var(--c-primary); margin-bottom: 4px; }
.process-step p { font-size: .8rem; color: var(--c-text-light); }

/* ===== Products Page ===== */
.products-list { display: flex; flex-direction: column; gap: 40px; }
.product-full { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; background: var(--c-white); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--c-shadow); }
.product-full:nth-child(even) .pf-image { order: 2; }
.pf-image { aspect-ratio: 4/3; overflow: hidden; }
.pf-image img { width: 100%; height: 100%; object-fit: cover; }
.pf-body { padding: 32px; }
.pf-body .tag { display: inline-block; padding: 4px 14px; border-radius: 20px; font-size: .78rem; font-weight: 600; color: #fff; background: var(--c-accent); margin-bottom: 12px; }
.pf-body .tag.key { background: var(--c-primary); }
.pf-body h3 { font-size: 1.4rem; color: var(--c-primary); margin-bottom: 10px; }
.pf-body .en-name { font-size: .85rem; color: var(--c-text-light); margin-bottom: 16px; font-style: italic; }
.pf-body .desc { color: var(--c-text-light); margin-bottom: 20px; }
.pf-features { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.pf-features span { padding: 4px 12px; background: var(--c-bg-alt); border-radius: 20px; font-size: .8rem; color: var(--c-primary); }
.pf-custom h4, .pf-scenes h4 { font-size: .9rem; color: var(--c-primary); margin-bottom: 8px; font-weight: 700; }
.pf-custom ul { margin-bottom: 16px; }
.pf-custom li, .pf-scenes p { font-size: .85rem; color: var(--c-text-light); margin-bottom: 4px; padding-left: 16px; position: relative; }
.pf-custom li::before { content: "·"; position: absolute; left: 4px; color: var(--c-accent); font-weight: 700; }

/* ===== Custom Solution Page ===== */
.cap-detail-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.cap-detail-card { padding: 36px; background: var(--c-white); border-radius: var(--radius-lg); box-shadow: var(--c-shadow); }
.cap-detail-card .icon { width: 64px; height: 64px; border-radius: 16px; background: var(--c-primary); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 1.8rem; margin-bottom: 20px; }
.cap-detail-card h3 { font-size: 1.2rem; color: var(--c-primary); margin-bottom: 16px; }
.cap-detail-card ul li { padding: 6px 0 6px 20px; position: relative; font-size: .9rem; color: var(--c-text-light); border-bottom: 1px solid var(--c-border); }
.cap-detail-card ul li::before { content: "→"; position: absolute; left: 0; color: var(--c-accent); font-weight: 700; }
.cap-detail-card ul li:last-child { border-bottom: none; }

/* Process steps (custom page) */
.custom-process { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.custom-step { padding: 28px; background: var(--c-white); border-radius: var(--radius-lg); box-shadow: var(--c-shadow); position: relative; overflow: hidden; }
.custom-step::before { content: attr(data-step); position: absolute; top: -10px; right: 10px; font-size: 4rem; font-weight: 800; color: var(--c-bg-alt); z-index: 0; }
.custom-step .step-content { position: relative; z-index: 1; }
.custom-step h4 { font-size: 1.05rem; color: var(--c-primary); margin-bottom: 8px; }
.custom-step p { font-size: .88rem; color: var(--c-text-light); }

/* FAQ */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { background: var(--c-white); border-radius: var(--radius); margin-bottom: 12px; overflow: hidden; box-shadow: var(--c-shadow); }
.faq-q { padding: 18px 24px; cursor: pointer; display: flex; align-items: center; justify-content: space-between; font-weight: 600; color: var(--c-primary); }
.faq-q .arrow { transition: transform .3s; font-size: 1.2rem; }
.faq-item.open .faq-q .arrow { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .3s ease; padding: 0 24px; }
.faq-item.open .faq-a { max-height: 200px; padding: 0 24px 18px; color: var(--c-text-light); font-size: .92rem; }

/* ===== Compliance Page ===== */
.materials-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.material-card { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--c-shadow); background: var(--c-white); }
.material-card .img-wrap { aspect-ratio: 3/2; overflow: hidden; }
.material-card img { width: 100%; height: 100%; object-fit: cover; }
.material-card .body { padding: 16px; }
.material-card h4 { font-size: .95rem; color: var(--c-primary); margin-bottom: 6px; }
.material-card p { font-size: .82rem; color: var(--c-text-light); }

.cert-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.cert-card { padding: 32px; background: var(--c-white); border-radius: var(--radius-lg); text-align: center; box-shadow: var(--c-shadow); }
.cert-badge { width: 64px; height: 64px; margin: 0 auto 16px; border-radius: 50%; background: var(--c-primary); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; }
.cert-card h4 { font-size: 1rem; color: var(--c-primary); margin-bottom: 8px; }
.cert-card p { font-size: .85rem; color: var(--c-text-light); }

.production-control { max-width: 800px; margin: 0 auto; text-align: center; padding: 40px; background: var(--c-white); border-radius: var(--radius-lg); box-shadow: var(--c-shadow); }
.production-control h3 { font-size: 1.3rem; color: var(--c-primary); margin-bottom: 16px; }
.production-control p { color: var(--c-text-light); line-height: 1.8; }

/* ===== Contact Page ===== */
.contact-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.contact-form { background: var(--c-white); padding: 36px; border-radius: var(--radius-lg); box-shadow: var(--c-shadow); }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: .88rem; font-weight: 600; color: var(--c-primary); margin-bottom: 6px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 12px 16px; border: 1px solid var(--c-border); border-radius: var(--radius);
  font-size: .9rem; font-family: var(--font); transition: border-color .2s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--c-primary-light); }
.form-group textarea { resize: vertical; min-height: 120px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.btn-submit { width: 100%; padding: 14px; border: none; border-radius: var(--radius); background: var(--c-primary); color: #fff; font-size: 1rem; font-weight: 600; cursor: pointer; transition: .2s; }
.btn-submit:hover { background: var(--c-primary-light); }

.contact-info { padding: 36px 0; }
.contact-info h3 { font-size: 1.4rem; color: var(--c-primary); margin-bottom: 24px; }
.info-item { display: flex; gap: 16px; margin-bottom: 20px; }
.info-item .icon { width: 44px; height: 44px; border-radius: 12px; background: var(--c-bg-alt); display: flex; align-items: center; justify-content: center; font-size: 1.2rem; color: var(--c-primary); flex-shrink: 0; }
.info-item .text h4 { font-size: .85rem; color: var(--c-text-light); margin-bottom: 2px; }
.info-item .text p { font-size: .95rem; color: var(--c-text); }
.contact-note { margin-top: 28px; padding: 20px; background: var(--c-bg-alt); border-radius: var(--radius); border-left: 3px solid var(--c-accent); }
.contact-note h4 { font-size: .9rem; color: var(--c-primary); margin-bottom: 6px; }
.contact-note p { font-size: .85rem; color: var(--c-text-light); }

/* Consultation block */
.consult-block { max-width: 700px; margin: 0 auto; text-align: center; padding: 48px 36px; background: var(--c-white); border-radius: var(--radius-lg); box-shadow: var(--c-shadow); border-top: 4px solid var(--c-accent); }
.consult-block h3 { font-size: 1.5rem; color: var(--c-primary); margin-bottom: 16px; }
.consult-block p { font-size: 1.05rem; color: var(--c-text-light); margin-bottom: 28px; line-height: 1.8; }

/* ===== Footer ===== */
.site-footer { background: var(--c-primary-dark); color: rgba(255,255,255,.8); padding: 56px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px; margin-bottom: 40px; }
.footer-col h3 { font-size: 1rem; color: #fff; margin-bottom: 16px; }
.footer-col p { font-size: .88rem; line-height: 1.7; margin-bottom: 12px; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a { color: rgba(255,255,255,.7); font-size: .88rem; transition: .2s; }
.footer-col ul li a:hover { color: var(--c-accent); }
.footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.footer-logo .logo-img { height: 30px; }
.footer-logo span { font-size: 1.05rem; font-weight: 700; color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding-top: 24px; text-align: center; }
.footer-bottom p { font-size: .82rem; color: rgba(255,255,255,.5); }
/* 备案号：深色底上必须显式提亮，否则会沿用全局蓝色 a 而看不清 */
.footer-bottom a { color: rgba(255,255,255,.65); border-bottom: 1px solid rgba(255,255,255,.18); }
.footer-bottom a:hover { color: var(--c-accent-light); border-bottom-color: var(--c-accent-light); }

/* ===== Responsive ===== */
@media (max-width: 968px) {
  .main-nav { display: none; position: fixed; top: var(--header-h); left: 0; right: 0; flex-direction: column; background: var(--c-white); padding: 16px; box-shadow: var(--c-shadow-lg); gap: 0; }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 14px 16px; border-radius: 0; border-bottom: 1px solid var(--c-border); }
  .menu-toggle { display: block; }
  .header-right .btn-quote { display: none; }
  
  .hero { height: 420px; }
  .hero-title { font-size: 1.8rem; }
  .hero-subtitle { font-size: 1rem; }
  
  .who-section, .compliance-strip, .contact-layout { grid-template-columns: 1fr; }
  .products-grid, .scenarios-grid, .capabilities-grid, .capabilities-grid.cols-4, .advantages-grid, .production-grid, .cap-detail-grid, .custom-process, .materials-grid, .cert-grid, .catalog-grid { grid-template-columns: 1fr 1fr; }
  .product-full { grid-template-columns: 1fr; }
  .product-full:nth-child(even) .pf-image { order: 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .products-grid, .scenarios-grid, .capabilities-grid, .capabilities-grid.cols-4, .advantages-grid, .production-grid, .cap-detail-grid, .custom-process, .materials-grid, .cert-grid { grid-template-columns: 1fr; }
  .catalog-card, .catalog-card.placeholder { flex-basis: 150px; }
  .hero { height: 360px; }
  .hero-title { font-size: 1.4rem; }
  .section { padding: 48px 0; }
  .section-title h2 { font-size: 1.5rem; }
  .page-hero { padding: 60px 0 40px; }
  .page-hero h1 { font-size: 1.6rem; }
}