/* =========================================================
   东莞佳和 · 响应式企业站样式
   主题：工业金属蓝灰 (Industrial Blue-Gray)
   约定：CSS 自定义属性驱动配色；移动端优先断点增强
   ========================================================= */

:root {
  --c-ink: #1b2a3d;          /* 深钢蓝，主文字 */
  --c-steel: #21456b;        /* 品牌主色 */
  --c-steel-700: #16324f;
  --c-accent: #4f7cab;       /* 铝蓝高光 */
  --c-silver: #aebccd;       /* 金属银灰 */
  --c-silver-200: #e3e9f0;
  --c-bg: #f5f7fa;          /* 页面底色 */
  --c-surface: #ffffff;
  --c-muted: #5b6b7e;       /* 次级文字 */
  --c-line: #d8e0ea;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 10px 30px rgba(27, 42, 61, 0.08);
  --shadow-sm: 0 4px 14px rgba(27, 42, 61, 0.06);
  --maxw: 1120px;
  --header-h: 64px;
  /* 对比度：钢蓝 on 白 >= 7:1，满足 WCAG AAA */
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--c-ink);
  background: var(--c-bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* 关键兜底：必须给 height 一个 CSS 值。
   否则 HTML 的 height 属性会作为「呈现提示」生效（height: 1400px），
   导致 aspect-ratio 失效、图片被拉伸变形。 */
img { max-width: 100%; height: auto; display: block; }
a { color: var(--c-steel); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* 可访问性：跳转到主内容 */
.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 100;
  background: var(--c-steel); color: #fff; padding: 10px 16px; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

/* 统一键盘焦点指示（不移除 outline） */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--c-accent);
  outline-offset: 2px;
}

/* ===== Header / Nav ===== */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(160%) blur(8px);
  border-bottom: 1px solid var(--c-line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); }
.brand { display: flex; align-items: center; gap: 10px; }
.brand-logo { width: 36px; height: 36px; }
/* 横版彩 LOGO（header）：按宽度自适应，高约 38px */
.brand-logo-img { height: 38px; width: auto; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-text strong { font-size: 16px; color: var(--c-steel); }
.brand-text small { font-size: 11px; color: var(--c-muted); letter-spacing: .5px; }

.nav-menu { display: flex; align-items: center; gap: 22px; }
.nav-menu a { color: var(--c-ink); font-size: 15px; font-weight: 500; }
.nav-menu a:hover { color: var(--c-steel); text-decoration: none; }

.lang-toggle {
  border: 1px solid var(--c-line); background: var(--c-surface);
  color: var(--c-steel); font-weight: 600; font-size: 13px;
  padding: 6px 12px; border-radius: 999px; cursor: pointer;
}
.lang-toggle:hover { border-color: var(--c-accent); }

/* 汉堡按钮（移动端显示） */
.nav-toggle {
  display: none; flex-direction: column; gap: 5px;
  width: 42px; height: 42px; border: 1px solid var(--c-line);
  background: var(--c-surface); border-radius: 10px; cursor: pointer;
  align-items: center; justify-content: center;
}
.nav-toggle span { width: 20px; height: 2px; background: var(--c-steel); transition: .25s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== Buttons ===== */
.btn {
  display: inline-block; padding: 12px 22px; border-radius: 999px;
  font-weight: 600; font-size: 15px; cursor: pointer; border: 1px solid transparent;
  transition: transform .15s, box-shadow .2s, background .2s;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--c-steel); color: #fff; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--c-steel-700); color: #fff; }
.btn-ghost { background: transparent; color: var(--c-steel); border-color: var(--c-line); }
.btn-ghost:hover { border-color: var(--c-accent); }

/* ===== Hero ===== */
.hero {
  background:
    radial-gradient(1200px 400px at 80% -10%, rgba(79, 124, 171, 0.18), transparent 60%),
    linear-gradient(160deg, #eef3f9 0%, #f5f7fa 55%);
  padding: 64px 0 72px;
}
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center; }
.eyebrow { color: var(--c-accent); font-weight: 700; letter-spacing: .5px; margin: 0 0 10px; font-size: 14px; }
.hero h1 { font-size: clamp(28px, 5vw, 46px); line-height: 1.15; margin: 0 0 16px; color: var(--c-ink); }
.hero-sub { font-size: 17px; color: var(--c-muted); margin: 0 0 26px; max-width: 46ch; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.metal-panel {
  position: relative; overflow: hidden;
  background: linear-gradient(150deg, var(--c-steel) 0%, var(--c-steel-700) 100%);
  border-radius: var(--radius); padding: 28px; color: #fff;
  box-shadow: var(--shadow); display: grid; gap: 18px; grid-template-columns: 1fr 1fr;
  border: 1px solid rgba(255,255,255,0.08);
}
.metal-shine {
  position: absolute; top: -40%; right: -30%; width: 70%; height: 180%;
  background: linear-gradient(115deg, transparent, rgba(255,255,255,0.22), transparent);
  transform: rotate(18deg); pointer-events: none;
}
.stat { display: flex; flex-direction: column; }
.stat strong { font-size: 30px; color: #fff; }
.stat span { font-size: 13px; color: var(--c-silver); }

/* ===== Sections ===== */
.section { padding: 64px 0; }
.section-alt { background: var(--c-surface); border-top: 1px solid var(--c-line); border-bottom: 1px solid var(--c-line); }
.section-eyebrow { color: var(--c-accent); font-weight: 700; font-size: 13px; letter-spacing: 1px; text-transform: uppercase; margin: 0 0 8px; }
.section h2 { font-size: clamp(24px, 3.5vw, 34px); margin: 0 0 28px; color: var(--c-ink); }

/* About */
.about-grid { display: grid; grid-template-columns: 1.3fr .7fr; gap: 36px; align-items: start; }
.about-text p { color: var(--c-muted); margin: 0 0 16px; }
.about-points { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.about-points li { display: flex; align-items: flex-start; gap: 10px; color: var(--c-ink); font-weight: 500; }
.dot { flex: none; width: 10px; height: 10px; margin-top: 8px; border-radius: 50%; background: var(--c-accent); }

/* Products cards */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
/* 4 张卡时排成 2×2，避免出现「上3下1」的半空行 */
.cards.grid-2 { grid-template-columns: repeat(2, 1fr); }
.card {
  background: var(--c-bg); border: 1px solid var(--c-line); border-radius: var(--radius);
  padding: 24px; transition: transform .18s, box-shadow .2s, border-color .2s;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--c-silver); }
.card-icon {
  width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center;
  background: linear-gradient(150deg, var(--c-accent), var(--c-steel)); color: #fff; font-size: 22px; margin-bottom: 14px;
}
.card h3 { margin: 0 0 8px; font-size: 18px; color: var(--c-ink); }
.card p { margin: 0; color: var(--c-muted); font-size: 14.5px; }

/* Advantages */
.adv-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.adv { background: var(--c-surface); border: 1px solid var(--c-line); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow-sm); }
.adv h3 { margin: 0 0 8px; color: var(--c-steel); font-size: 18px; }
.adv p { margin: 0; color: var(--c-muted); font-size: 14.5px; }

/* Applications tags */
.tags { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 12px; }
.tags li {
  background: var(--c-bg); border: 1px solid var(--c-line); color: var(--c-ink);
  padding: 10px 18px; border-radius: 999px; font-weight: 500; font-size: 15px;
}

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.contact-info p { color: var(--c-muted); }
.contact-list { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 12px; }
.contact-list li { color: var(--c-ink); }
.contact-list span:first-child { color: var(--c-muted); font-weight: 600; margin-right: 6px; }

.contact-form { background: var(--c-surface); border: 1px solid var(--c-line); border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow-sm); }
.contact-form h3 { margin: 0 0 16px; color: var(--c-ink); }
.field { margin-bottom: 14px; display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: 14px; font-weight: 600; color: var(--c-ink); }
.field input, .field textarea {
  font: inherit; padding: 11px 13px; border: 1px solid var(--c-line); border-radius: var(--radius-sm);
  background: var(--c-bg); color: var(--c-ink); width: 100%;
}
.field input:focus, .field textarea:focus { background: #fff; border-color: var(--c-accent); outline: 3px solid var(--c-accent); outline-offset: 1px; }
.form-status { margin: 12px 0 0; font-size: 14px; min-height: 1.2em; }
.form-status.ok { color: #1b7a3d; }
.form-status.err { color: #b3261e; }
.hidden { position: absolute; left: -9999px; }

/* ===== Footer ===== */
.site-footer { background: var(--c-steel-700); color: #dbe5f0; padding: 40px 0 18px; }
.footer-grid { display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; }
.footer-grid strong { color: #fff; font-size: 17px; }
.footer-grid p { margin: 4px 0 0; color: var(--c-silver); font-size: 14px; }
.footer-nav { display: flex; gap: 18px; }
.footer-nav a { color: #dbe5f0; font-size: 14px; }
.footer-nav a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.12); margin-top: 24px; padding-top: 16px; font-size: 13px; color: var(--c-silver); }
/* ICP 备案号（拿到备案号后启用） */
.icp-no { color: var(--c-silver); text-decoration: none; }
.icp-no:hover { color: #fff; text-decoration: underline; }
/* 页脚竖版白 LOGO + 联系区竖版彩 LOGO */
.footer-brand { display: grid; gap: 12px; justify-items: start; }
.footer-logo { height: 132px; width: auto; }
.contact-logo { height: 112px; width: auto; margin-bottom: 12px; }

/* ===== 响应式断点 ===== */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 28px; }
  .about-grid { grid-template-columns: 1fr; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .nav-toggle { display: flex; }
  .nav-menu {
    position: absolute; top: var(--header-h); left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--c-surface); border-bottom: 1px solid var(--c-line);
    padding: 8px 20px 16px; box-shadow: var(--shadow);
    display: none;
  }
  .nav-menu.open { display: flex; }
  .nav-menu a { padding: 12px 4px; border-bottom: 1px solid var(--c-line); }
  .nav-menu .lang-toggle { margin-top: 12px; align-self: flex-start; }
  .brand-logo-img { height: 30px; }
  .hero-logo { height: 38px; margin-bottom: 12px; }
  .footer-logo { height: 112px; }
}

@media (max-width: 560px) {
  .cards { grid-template-columns: 1fr; }
  .adv-grid { grid-template-columns: 1fr; }
  .facts { grid-template-columns: 1fr 1fr; }
  .spec-grid-cards { grid-template-columns: 1fr; }
  .spec-params { grid-template-columns: 1fr; }
  .section { padding: 48px 0; }
  .hero { padding: 48px 0 56px; }
  .page-hero { padding: 28px 0 40px; }
}

/* 事实数据网格（关于/实力） */
.facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 22px 0 0; }
.fact { background: var(--c-bg); border: 1px solid var(--c-line); border-radius: var(--radius-sm); padding: 14px 16px; }
.fact dt { font-size: 13px; color: var(--c-muted); margin-bottom: 4px; }
.fact dd { margin: 0; font-size: 16px; font-weight: 600; color: var(--c-ink); }
.lead { font-size: 17px; color: var(--c-muted); max-width: 60ch; }
.section-sub { color: var(--c-muted); margin: -12px 0 28px; max-width: 64ch; }

/* ===== 二级页：产品技术参数 ===== */
.breadcrumb { padding: 16px 0 0; font-size: 14px; color: var(--c-muted); }
.breadcrumb a { color: var(--c-muted); }
.breadcrumb a:hover { color: var(--c-steel); text-decoration: none; }
.breadcrumb .sep { margin: 0 8px; opacity: .5; }

.page-hero {
  background:
    radial-gradient(1000px 360px at 85% -20%, rgba(79, 124, 171, .16), transparent 60%),
    linear-gradient(160deg, #eef3f9 0%, #f5f7fa 55%);
  padding: 36px 0 48px;
}
.page-hero .eyebrow { margin-bottom: 8px; }
.page-hero h1 { font-size: clamp(26px, 4.5vw, 40px); line-height: 1.15; margin: 0 0 12px; color: var(--c-ink); }
.page-hero p { color: var(--c-muted); max-width: 64ch; font-size: 16px; margin: 0; }

/* 规格卡片网格 */
.spec-grid-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
/* 卡片数为奇数时，最后一张通栏撑满，消除半空行留白 */
.spec-grid-cards > article:last-child:nth-child(odd) { grid-column: 1 / -1; }
.spec-card {
  background: var(--c-surface); border: 1px solid var(--c-line); border-radius: var(--radius);
  padding: 22px; box-shadow: var(--shadow-sm); display: flex; flex-direction: column; gap: 14px;
  transition: transform .18s, box-shadow .2s, border-color .2s;
}
.spec-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--c-silver); }
.spec-card.wide { grid-column: 1 / -1; }
.spec-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; flex-wrap: wrap; border-bottom: 1px solid var(--c-line); padding-bottom: 12px; }
.spec-grade { font-size: 22px; font-weight: 700; color: var(--c-steel); letter-spacing: .3px; }
.spec-tag { font-size: 13px; color: var(--c-accent); font-weight: 600; white-space: nowrap; }
.spec-params { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 16px; margin: 0; }
.spec-params > div { display: flex; flex-direction: column; }
.spec-params dt { font-size: 12px; color: var(--c-muted); }
.spec-params dd { margin: 0; font-size: 15px; font-weight: 600; color: var(--c-ink); }
.spec-adv, .spec-app { font-size: 14px; color: var(--c-muted); margin: 0; line-height: 1.6; }
.spec-adv strong, .spec-app strong { color: var(--c-ink); font-weight: 600; }

/* 设备分类 / 回收案例 卡片的牌号标签 */
.dev-parts { font-size: 14px; color: var(--c-muted); margin: 0 0 12px; }
.dev-grades { display: flex; flex-wrap: wrap; gap: 6px; }
.dev-grades span { background: var(--c-bg); border: 1px solid var(--c-line); border-radius: 999px; padding: 3px 10px; font-size: 13px; color: var(--c-ink); }

/* 底部 CTA 居中 */
.cta-center { text-align: center; }
.cta-center .section-sub { margin-left: auto; margin-right: auto; }

/* 激活态导航项（当前二级页） */
.nav-menu a.active { color: var(--c-steel); font-weight: 700; }
.nav-menu a.active::before { content: ""; display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--c-accent); margin-right: 7px; vertical-align: middle; }

/* =========================================================
   图文与设计增强（工厂实拍 + 网络氛围图）
   ========================================================= */

/* 通用图片工具 */
.img-cover { width: 100%; height: 100%; object-fit: cover; }
.aspect-16x9 { aspect-ratio: 16 / 9; }
.aspect-4x3  { aspect-ratio: 4 / 3; }
.aspect-1x1  { aspect-ratio: 1 / 1; }

figure { margin: 0; }
figcaption { font-size: 13px; color: var(--c-muted); margin-top: 8px; }

/* 全幅图片 Hero */
.hero.hero--media {
  position: relative;
  min-height: clamp(620px, 92dvh, 900px);
  display: flex; align-items: center;
  padding: 110px 0 72px;
  color: #fff; overflow: hidden;
}
.hero-media-bg {
  position: absolute; inset: 0; z-index: 0;
  width: 100%; height: 100%;
  object-fit: cover; object-position: center;
}
.hero-overlay {
  position: absolute; inset: 0; z-index: 0;
  background: linear-gradient(90deg, rgba(9,18,31,.88) 0%, rgba(9,18,31,.62) 45%, rgba(9,18,31,.28) 100%);
}
.hero--media .container { position: relative; z-index: 1; }
.hero--media .hero-grid { grid-template-columns: 1.2fr .8fr; align-items: end; }
.hero--media .eyebrow { color: var(--c-accent); }
.hero--media h1 { color: #fff; text-shadow: 0 2px 20px rgba(0,0,0,.25); }
.hero--media .hero-sub { color: rgba(255,255,255,.84); max-width: 54ch; }
.hero--media .btn-primary { background: #fff; color: var(--c-steel); border-color: #fff; }
.hero--media .btn-primary:hover { background: var(--c-silver-200); color: var(--c-steel-700); }
.hero--media .btn-ghost { color: #fff; border-color: rgba(255,255,255,.45); }
.hero--media .btn-ghost:hover { background: rgba(255,255,255,.12); border-color: #fff; }

.hero-stats {
  background: rgba(255,255,255,.1);
  backdrop-filter: blur(12px) saturate(150%);
  -webkit-backdrop-filter: blur(12px) saturate(150%);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: var(--radius);
  padding: 26px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 22px;
  box-shadow: 0 24px 60px rgba(0,0,0,.28);
}
.hero-stats .stat strong { font-size: 28px; color: #fff; }
.hero-stats .stat span { color: rgba(255,255,255,.75); font-size: 13px; }
/* Hero 横版白 LOGO（深色背景） */
.hero-logo { height: 48px; width: auto; margin-bottom: 16px; }

/* 图文并排 */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.split__media { position: relative; }
.split__media img { border-radius: var(--radius); box-shadow: var(--shadow); }
.split__badge {
  position: absolute; bottom: -16px; left: 24px;
  background: var(--c-steel); color: #fff;
  padding: 10px 18px; border-radius: 999px;
  font-size: 13px; font-weight: 600;
  box-shadow: var(--shadow-sm);
}

/* 图片卡片（上图下文） */
.media-card {
  background: var(--c-surface); border: 1px solid var(--c-line);
  border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform .2s, box-shadow .2s;
  height: 100%; display: flex; flex-direction: column;
}
.media-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.media-card__thumb { overflow: hidden; position: relative; background: var(--c-bg); }
.media-card__thumb img { transition: transform .55s ease; }
.media-card:hover .media-card__thumb img { transform: scale(1.06); }
.media-card__body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.media-card__body h3 { margin: 0 0 8px; font-size: 17px; color: var(--c-ink); }
.media-card__body p { margin: 0; color: var(--c-muted); font-size: 14px; line-height: 1.6; }
.media-card__meta { margin-top: auto; padding-top: 12px; font-size: 12px; color: var(--c-accent); font-weight: 600; }

/* 图文叠加卡片（应用领域） */
.image-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.image-card {
  position: relative; border-radius: var(--radius); overflow: hidden;
  min-height: 260px; box-shadow: var(--shadow-sm);
  display: flex; align-items: flex-end;
}
.image-card__thumb { position: absolute; inset: 0; z-index: 0; }
.image-card__thumb::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(9,18,31,.22) 0%, rgba(9,18,31,.72) 100%);
  transition: opacity .3s;
}
.image-card:hover .image-card__thumb::after { opacity: .88; }
.image-card__body { position: relative; z-index: 1; padding: 22px; color: #fff; }
.image-card__body h3 { margin: 0 0 6px; font-size: 18px; color: #fff; }
.image-card__body p { margin: 0; font-size: 14px; color: rgba(255,255,255,.82); }

/* 迷你图集（研发区） */
/* 研发板块迷你图集：
   上排两张为方形原图（1:1，不裁切设备主体），
   第三张牌匾图通栏并按原始比例 1000:703 展示（避免文字被裁）。 */
.mini-gallery { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; align-content: start; }
.mini-gallery img { border-radius: var(--radius-sm); box-shadow: var(--shadow-sm); width: 100%; height: auto; object-fit: cover; }
.mini-gallery img.is-square { aspect-ratio: 1 / 1; }
.mini-gallery img.is-wide { grid-column: 1 / -1; aspect-ratio: 16 / 9; }

/* 产业布局：地图 + 基地列表联动 */
.footprint-layout {
  display: grid; grid-template-columns: 1.5fr 1fr; gap: 28px;
  align-items: start; margin-top: 8px;
}
.map-panel { display: flex; flex-direction: column; gap: 12px; }

/* 大气版 SVG 地图（Albers 投影 + 省界 + 基地联动，纯内联无 SDK） */
.fp-map {
  margin: 0; position: relative; border-radius: 18px; overflow: hidden;
  background: #0d1b2e;
  border: 1px solid rgba(255, 255, 255, .10);
  box-shadow: 0 24px 60px rgba(13, 27, 46, .34), 0 2px 8px rgba(13, 27, 46, .18);
}
.fp-map__svg { width: 100%; height: auto; display: block; }
/* 四角定位标记，增强制图感 */
.fp-map::before, .fp-map::after {
  content: ""; position: absolute; width: 20px; height: 20px; pointer-events: none;
  border: 1px solid rgba(160, 205, 245, .45);
}
.fp-map::before { top: 12px; left: 12px; border-right: 0; border-bottom: 0; }
.fp-map::after { bottom: 12px; right: 12px; border-left: 0; border-top: 0; }

.fp-grat path { stroke: rgba(127, 208, 255, .12); stroke-width: 1; }
.fp-land { fill: url(#fpLand); }
.fp-border { fill: none; stroke: rgba(168, 210, 248, .42); stroke-width: .9; stroke-linejoin: round; }
.fp-pulse circle {
  fill: none; stroke: rgba(127, 208, 255, .28); stroke-width: 1; stroke-dasharray: 3 7;
  transform-box: fill-box; transform-origin: center;
  animation: fpRing 5s ease-out infinite;
}
.fp-inset rect { fill: rgba(255, 255, 255, .04); stroke: rgba(168, 210, 248, .42); stroke-width: 1; stroke-dasharray: 4 4; }
.fp-inset path { fill: none; stroke: rgba(186, 224, 255, .8); stroke-width: 2.6; stroke-linecap: round; }
.fp-inset text { fill: #9fc0dd; font-size: 11px; letter-spacing: .08em; }
.fp-links path {
  stroke: url(#fpArc); stroke-width: 1.8; stroke-dasharray: 7 9;
  animation: fpFlow 2.6s linear infinite;
}
.fp-mark__halo {
  fill: rgba(122, 208, 255, .16); stroke: rgba(150, 215, 255, .55); stroke-width: 1;
  transition: fill .25s, stroke .25s;
}
.fp-mark__dot { fill: #8fd8ff; stroke: #0d1b2e; stroke-width: 2.2; transition: fill .25s; }
.fp-mark__wave {
  fill: none; stroke: #7fd0ff; stroke-width: 1.6;
  transform-box: fill-box; transform-origin: center;
  animation: fpWave 3s ease-out infinite;
}
.fp-mark__name {
  fill: #eaf4ff; font-size: 15px; font-weight: 700;
  paint-order: stroke; stroke: rgba(9, 20, 35, .8); stroke-width: 4px; stroke-linejoin: round;
}
.fp-mark__city {
  fill: #a5c6e2; font-size: 12.5px;
  paint-order: stroke; stroke: rgba(9, 20, 35, .75); stroke-width: 3.5px; stroke-linejoin: round;
}
.fp-mark.is-active .fp-mark__dot { fill: #ffc65c; }
.fp-mark.is-active .fp-mark__halo { fill: rgba(255, 198, 92, .2); stroke: #ffc65c; }
.fp-mark.is-active .fp-mark__wave { stroke: #ffc65c; }
.fp-mark.is-active .fp-mark__name { fill: #ffe3a8; }
.fp-legend line { stroke: rgba(168, 210, 248, .55); stroke-width: 2; }
.fp-legend text { fill: #9fc0dd; font-size: 12px; letter-spacing: .04em; }

@keyframes fpWave {
  0% { transform: scale(.35); opacity: .85; }
  75% { transform: scale(2.8); opacity: 0; }
  100% { transform: scale(2.8); opacity: 0; }
}
@keyframes fpRing {
  0% { transform: scale(.3); opacity: 0; }
  30% { opacity: .65; }
  100% { transform: scale(1); opacity: 0; }
}
@keyframes fpFlow { to { stroke-dashoffset: -32; } }

.map-hint { margin: 0; font-size: 13px; color: var(--c-muted); }

.base-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.base-item {
  width: 100%; display: grid; grid-template-columns: auto 1fr auto; gap: 14px;
  align-items: center; text-align: left; cursor: pointer;
  padding: 16px 18px; font: inherit; color: inherit;
  background: var(--c-surface);
  border: 1px solid var(--c-line); border-radius: var(--radius-sm);
  transition: border-color .2s, box-shadow .2s, transform .2s;
}
.base-item:hover { border-color: var(--c-accent); box-shadow: var(--shadow-sm); transform: translateY(-2px); }
.base-item:focus-visible { outline: 3px solid var(--c-accent); outline-offset: 2px; }
.base-item.is-active { border-color: var(--c-steel); box-shadow: var(--shadow); }
.base-index {
  font-size: 13px; font-weight: 700; letter-spacing: .04em; color: var(--c-accent);
  background: var(--c-bg); border-radius: 8px; padding: 6px 8px;
}
.base-info { display: grid; gap: 2px; }
.base-name { font-size: 16px; font-weight: 700; color: var(--c-ink); }
.base-desc { font-size: 13px; color: var(--c-muted); line-height: 1.5; }
.base-go { color: var(--c-accent); font-size: 18px; }

/* 图库板块 */
.gallery-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.gallery-item { position: relative; border-radius: var(--radius-sm); overflow: hidden; aspect-ratio: 4/3; cursor: zoom-in; }
.gallery-item img { transition: transform .55s ease; }
.gallery-item:hover img { transform: scale(1.07); }
.gallery-item__cap {
  position: absolute; bottom: 0; left: 0; right: 0; padding: 14px;
  background: linear-gradient(transparent, rgba(9,18,31,.78));
  color: #fff; font-size: 13px; opacity: 0; transition: opacity .25s;
}
.gallery-item:hover .gallery-item__cap { opacity: 1; }

/* 灯箱 */
.lightbox {
  display: none; position: fixed; inset: 0; z-index: 200;
  background: rgba(9,18,31,.95);
  align-items: center; justify-content: center;
  padding: 20px;
}
.lightbox.open { display: flex; }
.lightbox img { max-width: 92vw; max-height: 86vh; border-radius: var(--radius-sm); box-shadow: 0 30px 80px rgba(0,0,0,.45); }
.lightbox__close {
  position: absolute; top: 18px; right: 24px;
  color: #fff; font-size: 36px; line-height: 1;
  background: none; border: none; cursor: pointer;
}
.lightbox__close:focus-visible { outline-color: #fff; }

/* 可持续：大图横幅 */
.banner-card {
  position: relative; border-radius: var(--radius); overflow: hidden;
  min-height: 320px; display: flex; align-items: center;
  box-shadow: var(--shadow);
}
.banner-card__bg { position: absolute; inset: 0; object-fit: cover; z-index: 0; }
.banner-card__bg::after { /* not on img */ }
.banner-card__overlay { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(9,18,31,.82) 0%, rgba(9,18,31,.45) 60%, rgba(9,18,31,.2) 100%); z-index: 0; }
.banner-card__body { position: relative; z-index: 1; padding: 36px; max-width: 620px; color: #fff; }
.banner-card__body h3 { color: #fff; }
.banner-card__body p { color: rgba(255,255,255,.84); }

/* 二级页全幅标题 */
.page-hero--media {
  position: relative; min-height: 360px;
  display: flex; align-items: center;
  color: #fff; overflow: hidden;
  padding: 48px 0 56px;
}
.page-hero--media .hero-media-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0; }
.page-hero--media .hero-overlay { background: linear-gradient(90deg, rgba(9,18,31,.86) 0%, rgba(9,18,31,.55) 60%, rgba(9,18,31,.35) 100%); }
.page-hero--media .container { position: relative; z-index: 1; }
.page-hero--media h1 { color: #fff; }
.page-hero--media p { color: rgba(255,255,255,.84); }
.page-hero--media .eyebrow { color: var(--c-accent); }

/* 产品页章节横幅 */
.section-banner {
  margin: -10px 0 28px; border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow-sm);
  aspect-ratio: 21 / 9; background: var(--c-bg);
}
.section-banner img { width: 100%; height: 100%; object-fit: cover; }

/* 减少动效 */
@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; transition: none !important; }
  .media-card__thumb img, .gallery-item img, .image-card__thumb { transition: none !important; }
  /* 地图：关闭脉冲与流光，仅保留静态图层 */
  .fp-mark__wave, .fp-pulse circle, .fp-links path { animation: none !important; }
  .fp-mark__wave { opacity: .5; }
}

/* ===== 图文增强响应式补充 ===== */
@media (max-width: 900px) {
  .hero--media .hero-grid { grid-template-columns: 1fr; align-items: center; }
  .hero-stats { max-width: 420px; }
  .split { grid-template-columns: 1fr; gap: 36px; }
  .split__media { order: -1; }
  .image-cards { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  /* 产业布局：窄屏改为地图在上、基地列表在下 */
  .footprint-layout { grid-template-columns: 1fr; }
  .fp-map__svg { max-height: 60vh; }
  .fp-map { border-radius: 14px; }
  .partner-grid { grid-template-columns: 1fr; }
  .value-chain { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .hero.hero--media { min-height: 100dvh; padding: 90px 0 48px; }
  .hero-overlay { background: linear-gradient(180deg, rgba(9,18,31,.85) 0%, rgba(9,18,31,.65) 60%, rgba(9,18,31,.45) 100%); }
  .hero-stats { grid-template-columns: 1fr 1fr; gap: 16px; padding: 20px; }
  .image-cards { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
  .banner-card__body { padding: 26px; }
  .base-item { grid-template-columns: auto 1fr; padding: 14px 16px; }
  .base-go { display: none; }
  /* 单列时 2×2 网格自然退化为 1 列 */
  .cards.grid-2 { grid-template-columns: 1fr; }
  .logo-wall { grid-template-columns: repeat(2, 1fr); }
}

/* ===== 供应链合作伙伴 ===== */
.value-chain {
  list-style: none; margin: 0 0 28px; padding: 0;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
}
.value-chain li {
  position: relative;
  background: var(--c-surface); border: 1px solid var(--c-line);
  border-radius: var(--radius-sm); padding: 18px 20px;
  display: grid; grid-template-columns: auto 1fr; gap: 14px; align-items: start;
}
.value-chain li.is-hub {
  border-color: var(--c-steel); background: var(--c-steel);
  box-shadow: var(--shadow-sm);
}
.value-chain li.is-hub strong,
.value-chain li.is-hub span { color: #fff; }
.vc-step {
  font-size: 12px; font-weight: 700; letter-spacing: .06em;
  color: var(--c-accent); background: var(--c-bg);
  border-radius: 8px; padding: 5px 8px;
}
.value-chain li.is-hub .vc-step { color: var(--c-steel); }
.vc-body { display: grid; gap: 4px; }
.vc-body strong { font-size: 15px; color: var(--c-ink); }
.vc-body span { font-size: 13px; color: var(--c-muted); line-height: 1.6; }

.partner-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.partner-card {
  background: var(--c-surface); border: 1px solid var(--c-line);
  border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow-sm);
}
.partner-card h3 { margin: 0 0 6px; font-size: 18px; color: var(--c-ink); }
.partner-note { margin: 0 0 16px; font-size: 13px; color: var(--c-muted); }
/* 合作伙伴 LOGO 墙：统一磁贴排版，支持后续替换为真实 LOGO 图片 */
.logo-wall {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px;
}
.logo-tile {
  position: relative; display: grid; place-items: center; text-align: center;
  min-height: 76px; padding: 10px 12px; overflow: hidden;
  background: var(--c-surface); border: 1px solid var(--c-line);
  border-radius: var(--radius-sm);
  transition: border-color .2s, box-shadow .2s, transform .2s;
}
.logo-tile:hover { border-color: var(--c-accent); box-shadow: var(--shadow-sm); transform: translateY(-2px); }
.logo-tile__txt {
  font-size: 15px; font-weight: 800; letter-spacing: .04em; line-height: 1.3;
  background: linear-gradient(180deg, var(--c-ink), var(--c-steel));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.logo-tile__img { max-width: 86%; max-height: 62%; object-fit: contain; }
.logo-tile.has-logo .logo-tile__txt { display: none; }

/* ===== 企业微信在线咨询按钮 ===== */
.btn-wecom {
  display: inline-flex; align-items: center; gap: 10px;
  margin-top: 18px;
  background: #0f6f3f; color: #fff;
  border: 1px solid #0f6f3f; border-radius: var(--radius-sm);
  padding: 12px 20px; font: inherit; font-weight: 600; font-size: 15px;
  text-decoration: none;
  transition: background .2s, transform .2s, box-shadow .2s;
}
.btn-wecom:hover { background: #0b5731; transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-wecom:focus-visible { outline: 3px solid var(--c-accent); outline-offset: 2px; }
.wecom-ico { width: 20px; height: 20px; fill: #fff; flex: none; }
.wecom-hint { margin: 10px 0 0; font-size: 13px; color: var(--c-muted); }