/* ============ 利速数控官网样式 ============ */
:root {
  --red: #e60012;
  --red-dark: #b8000e;
  --red-light: #ff2e3e;
  --ink: #22252a;
  --gray: #6b7280;
  --line: #e8eaee;
  --bg: #f5f6f8;
  --white: #fff;
  --shadow: 0 10px 30px rgba(17, 24, 39, .08);
  --radius: 12px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "Microsoft YaHei", "PingFang SC", "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--white);
  font-size: 15px;
  line-height: 1.7;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
.container { width: min(1200px, 92%); margin: 0 auto; }

/* 静态产品详情页：型号下的品类名（h1 已含机型+品类，此处降级 h2） */
.pd-info .pd-name-h2 { font-size: 22px; margin: 2px 0 10px; color: var(--ink); }

/* ---------- 文章详情页 ---------- */
.a-meta { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; }
.article-page { max-width: 860px; }
.a-content { font-size: 16px; color: #33373d; }
.a-content h2 { font-size: 21px; margin: 34px 0 14px; padding-left: 12px; border-left: 4px solid var(--red); }
.a-content h3 { font-size: 17px; margin: 24px 0 10px; }
.a-content p { margin: 0 0 16px; line-height: 1.9; }
.a-content ul { margin: 0 0 16px; padding-left: 22px; list-style: disc; color: #33373d; }
.a-content ul li { margin-bottom: 8px; line-height: 1.85; }
.a-content a { color: var(--red); border-bottom: 1px solid rgba(230,0,18,.35); }
.a-content a:hover { border-bottom-color: var(--red); }
.a-content strong { color: var(--ink); }
.a-cta { margin: 36px 0 8px; padding: 26px 28px; background: linear-gradient(135deg,#fff5f5,#fff); border: 1px solid #ffd9dc; border-radius: var(--radius); text-align: center; }
.a-cta p { font-size: 16px; font-weight: 600; margin-bottom: 16px; }
.a-cta-btns { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.a-related { padding-left: 0 !important; list-style: none !important; }
.a-related li { margin-bottom: 10px; }
.a-related a { color: var(--ink); }
.a-related a:hover { color: var(--red); }
.a-related .cdate { color: var(--gray); font-size: 13px; margin-right: 10px; }

/* ---------- SEO 语义隐藏标题（屏幕阅读器/爬虫可读，视觉不占位） ---------- */
.seo-h1 {
  position: absolute !important;
  width: 1px; height: 1px;
  margin: -1px; padding: 0; border: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

/* ---------- 导航 ---------- */
.header { position: sticky; top: 0; z-index: 100; background: #f5f5f5; border-bottom: 1px solid #e0e0e0; }
.header .container { display: flex; align-items: center; justify-content: space-between; height: 112px; gap: 0; }
.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; padding-right: 26px; border-right: 1px solid #e3e3e3; }
.logo img { height: 78px; width: auto; display: block; }
.header-brand { flex: 1; min-width: 0; padding: 0 28px; border-right: 1px solid #e3e3e3; }
.header-brand h1, .header-brand .hb-name { font-size: 25px; color: var(--red); font-weight: 700; line-height: 1.2; margin: 0; letter-spacing: .5px; white-space: nowrap; }
.header-tags { display: flex; gap: 22px; margin-top: 10px; }
.header-tags span { font-size: 14px; color: #555; display: flex; align-items: center; gap: 6px; white-space: nowrap; }
.header-tags em { font-style: normal; display: inline-flex; color: var(--red); }
.header-tags em svg { width: 17px; height: 17px; display: block; }
.header-right { display: flex; align-items: center; gap: 28px; flex-shrink: 0; padding-left: 28px; }
.alibaba { display: flex; align-items: center; gap: 8px; background: linear-gradient(135deg,#ff7d00,#ff5000); border-radius: 22px; padding: 12px 24px; color: #fff; font-size: 15px; font-weight: 700; letter-spacing: .5px; box-shadow: 0 4px 12px rgba(255,106,0,.35); transition: .2s; white-space: nowrap; }
.alibaba .ali-ico { flex-shrink: 0; width: 20px; height: 20px; }
.alibaba:hover { background: linear-gradient(135deg,#ff8f1f,#ff6410); box-shadow: 0 6px 16px rgba(255,106,0,.5); transform: translateY(-1px); color:#fff; }
.header-phone { display: flex; align-items: center; gap: 12px; color: var(--red); padding-left: 26px; border-left: 1px solid #e3e3e3; }
.header-phone .ico { width: 46px; height: 46px; border-radius: 50%; background: linear-gradient(135deg,#e60012,#ff3546); color: #fff; display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 12px rgba(230,0,18,.28); flex-shrink: 0; }
.header-phone .ico svg { width: 23px; height: 23px; display: block; }
.header-phone .txt { display: flex; flex-direction: column; }
.header-phone small { font-size: 12px; color: #888; line-height: 1; margin-bottom: 3px; white-space: nowrap; }
.header-phone b { font-size: 22px; line-height: 1.3; font-weight: 800; letter-spacing: .5px; white-space: nowrap; }
.nav-toggle { display: none; background: none; border: none; font-size: 26px; color: var(--ink); cursor: pointer; }

/* 红色导航栏 */
.nav-bar { background: var(--red); }
.nav-bar .container { display: flex; justify-content: space-between; gap: 4px; height: 54px; align-items: center; }
.nav-bar a { padding: 0 28px; color: #fff; font-size: 17px; font-weight: 500; line-height: 54px; transition: .2s; white-space: nowrap; }
.nav-bar a:hover, .nav-bar a.active { background: rgba(0,0,0,.18); color: #fff; }

/* ---------- Banner 轮播 ---------- */
.banner-section { background: #fff; }
.banner-slider { position: relative; overflow: hidden; max-width: 100%; }
.banner-track { display: flex; transition: transform .6s cubic-bezier(.4,0,.2,1); }
.banner-slide { min-width: 100%; display: flex; align-items: center; justify-content: center; background: #f5f5f5; }
.banner-slide img { width: 100%; height: auto; display: block; }
.banner-arrow { position: absolute; top: 50%; transform: translateY(-50%); width: 44px; height: 44px; border-radius: 50%; background: rgba(0,0,0,.4); color: #fff; border: none; font-size: 28px; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: .2s; z-index: 5; line-height: 1; }
.banner-arrow:hover { background: rgba(230,0,18,.85); }
.banner-arrow.prev { left: 20px; }
.banner-arrow.next { right: 20px; }
.banner-dots { position: absolute; bottom: 16px; left: 50%; transform: translateX(-50%); display: flex; gap: 8px; z-index: 5; }
.banner-dots button { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,.5); border: none; cursor: pointer; padding: 0; transition: .2s; }
.banner-dots button.active { background: var(--red); width: 28px; border-radius: 5px; }

/* ---------- 首屏 ---------- */
.hero {
  background:
    radial-gradient(1000px 420px at 85% -10%, rgba(255,255,255,.16), transparent 60%),
    radial-gradient(700px 380px at -5% 110%, rgba(255,255,255,.12), transparent 55%),
    linear-gradient(120deg, #c00010 0%, var(--red) 45%, #ff3546 100%);
  color: #fff; overflow: hidden; position: relative;
}
.hero .container { display: grid; grid-template-columns: 1.05fr .95fr; gap: 30px; align-items: center; padding: 68px 0 0; }
.hero-kicker { display: inline-flex; align-items: center; gap: 8px; background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.35); padding: 6px 16px; border-radius: 999px; font-size: 13px; letter-spacing: 2px; }
.hero h1 { font-size: 44px; line-height: 1.25; margin: 22px 0 14px; letter-spacing: 1px; }
.hero h1 span { color: #ffe28a; }
.hero p.lead { font-size: 17px; opacity: .93; max-width: 480px; }
.hero-btns { display: flex; gap: 14px; margin: 30px 0 40px; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 13px 30px; border-radius: 999px; font-size: 16px; font-weight: 600; transition: .25s; cursor: pointer; border: none; }
.btn-white { background: #fff; color: var(--red); box-shadow: 0 10px 24px rgba(0,0,0,.16); }
.btn-white:hover { transform: translateY(-2px); }
.btn-ghost { border: 1.5px solid rgba(255,255,255,.75); color: #fff; }
.btn-ghost:hover { background: rgba(255,255,255,.14); }
.btn-red { background: linear-gradient(135deg, var(--red), var(--red-light)); color: #fff; box-shadow: 0 8px 20px rgba(230,0,18,.3); }
.btn-red:hover { transform: translateY(-2px); }
.btn-line { border: 1.5px solid var(--red); color: var(--red); }
.btn-line:hover { background: #fdeaea; }
.hero-fig { position: relative; align-self: end; }
.hero-fig img { width: 100%; max-height: 430px; object-fit: contain; filter: drop-shadow(0 24px 40px rgba(0,0,0,.28)); }
.hero-stats { display: grid; grid-template-columns: repeat(4, 1fr); background: rgba(255,255,255,.1); border-top: 1px solid rgba(255,255,255,.22); }
.hero-stats .container { display: contents; }
.hstat { text-align: center; padding: 22px 8px; border-left: 1px solid rgba(255,255,255,.16); }
.hstat:first-child { border-left: none; }
.hstat b { font-size: 30px; display: block; line-height: 1.2; }
.hstat span { font-size: 13px; opacity: .88; }

/* ---------- 通用区块 ---------- */
.section { padding: 74px 0; }
.section.alt { background: var(--bg); }
.sec-head { text-align: center; max-width: 640px; margin: 0 auto 46px; }
.sec-tag { color: var(--red); font-size: 14px; letter-spacing: 4px; font-weight: 600; }
.sec-head h2 { font-size: 32px; margin: 8px 0 10px; letter-spacing: 1px; }
.sec-head p { color: var(--gray); }

/* ---------- 首页热门设备搜索（SEO 关键词内链） ---------- */
.kw-cloud { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px 14px; max-width: 980px; margin: 0 auto; }
.kw-cloud a {
  display: inline-block; padding: 9px 22px; border-radius: 999px;
  border: 1px solid #f0b9bd; background: #fff; color: #c01824;
  font-size: 15px; line-height: 1.4; transition: .22s;
}
.kw-cloud a:hover { background: var(--red); border-color: var(--red); color: #fff; transform: translateY(-2px); box-shadow: 0 6px 14px rgba(230,0,18,.18); }
@media (max-width: 480px) {
  .kw-cloud { gap: 9px 10px; }
  .kw-cloud a { padding: 7px 15px; font-size: 13.5px; }
}

/* ---------- 产品卡片 ---------- */
.cat-tabs { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-bottom: 36px; }
.cat-tabs button {
  padding: 9px 22px; border-radius: 999px; border: 1px solid var(--line);
  background: #fff; color: var(--ink); font-size: 15px; cursor: pointer; transition: .2s;
}
.cat-tabs button:hover { border-color: var(--red); color: var(--red); }
.cat-tabs button.active { background: linear-gradient(135deg, var(--red), var(--red-light)); border-color: transparent; color: #fff; box-shadow: 0 6px 16px rgba(230,0,18,.25); }
.prod-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.prod-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.pcard {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; transition: .28s; display: flex; flex-direction: column;
}
.pcard:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: transparent; }
.pcard .pimg { background: #fff; border-bottom: 1px solid var(--line); aspect-ratio: 4/3; display: flex; align-items: center; justify-content: center; padding: 14px; }
.pcard .pimg img { max-height: 100%; object-fit: contain; transition: .3s; }
.pcard:hover .pimg img { transform: scale(1.05); }
.pcard .pbody { padding: 16px 18px 18px; flex: 1; display: flex; flex-direction: column; }
.pcard .model { color: var(--red); font-weight: 700; font-size: 17px; letter-spacing: .5px; }
.pcard .pname { font-size: 15px; color: var(--ink); margin: 2px 0 10px; }
.pcard .pfeat { color: var(--gray); font-size: 13px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; flex: 1; }
.pcard .pmore { margin-top: 14px; font-size: 14px; color: var(--red); font-weight: 600; display: inline-flex; align-items: center; gap: 6px; }
.pcard .pmore:hover { gap: 10px; }

/* ---------- 四大优势（卡片网格） ---------- */
.adv-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
.adv-card { background: #fff; border: 1px solid #eef0f3; border-radius: 16px; overflow: hidden; transition: .3s; }
.adv-card:hover { transform: translateY(-6px); box-shadow: 0 20px 44px rgba(29,32,37,.10); border-color: var(--red); }
.adv-card-icon { height: 120px; display: flex; align-items: center; justify-content: center; color: #fff; position: relative; overflow: hidden; }
.adv-disk { position: relative; z-index: 1; width: 78px; height: 78px; border-radius: 50%; background: rgba(255,255,255,.15); border: 1px solid rgba(255,255,255,.35); display: flex; align-items: center; justify-content: center; }
.adv-card-icon svg { width: 40px; height: 40px; }
.adv-card-icon::before { content: ""; position: absolute; width: 160px; height: 160px; background: rgba(255,255,255,.12); border-radius: 50%; right: -40px; top: -40px; }
.adv-card-icon::after { content: ""; position: absolute; width: 90px; height: 90px; background: rgba(255,255,255,.08); border-radius: 50%; left: -20px; bottom: -20px; }
.adv-card-icon.bg1 { background: linear-gradient(135deg, #e60012, #ff3546); }
.adv-card-icon.bg2 { background: linear-gradient(135deg, #c00010, #e60012); }
.adv-card-icon.bg3 { background: linear-gradient(135deg, #b0000e, #d40014); }
.adv-card-icon.bg4 { background: linear-gradient(135deg, #8a000a, #c00010); }
.adv-card-body { padding: 26px 28px 28px; }
.adv-card-head { display: flex; align-items: center; gap: 14px; margin-bottom: 12px; }
.adv-card-no { font-size: 32px; font-weight: 800; color: var(--red); font-family: Arial, sans-serif; line-height: 1; letter-spacing: -1px; }
.adv-card-head h3 { font-size: 20px; }
.adv-card-desc { color: #6b7280; font-size: 14px; line-height: 1.6; margin-bottom: 16px; padding-bottom: 14px; border-bottom: 1px dashed #eef0f3; }
.adv-card-list { display: flex; flex-direction: column; gap: 9px; }
.adv-card-list li { font-size: 14px; color: #4a515a; line-height: 1.5; padding-left: 18px; position: relative; }
.adv-card-list li::before { content: ""; position: absolute; left: 0; top: 8px; width: 6px; height: 6px; background: var(--red); border-radius: 50%; }

/* ---------- 客户痛点 ---------- */
.pain-section { background: linear-gradient(180deg, #fafbfc 0%, #f4f6f8 100%); }
.pain-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 10px; }
.pain-card { background: #fff; border: 1px solid #eef0f3; border-radius: 14px; padding: 28px 24px; text-align: center; transition: .3s; position: relative; }
.pain-card:hover { transform: translateY(-5px); box-shadow: 0 14px 32px rgba(29,32,37,.08); border-color: var(--red); }
.pain-ico { width: 48px; height: 48px; border-radius: 50%; background: linear-gradient(135deg, #e60012, #ff3546); color: #fff; display: flex; align-items: center; justify-content: center; margin: 0 auto 12px; box-shadow: 0 6px 14px rgba(230,0,18,.25); }
.pain-ico svg { width: 24px; height: 24px; display: block; }
.pain-no { color: var(--red); font-size: 12px; font-weight: 600; letter-spacing: 1px; margin-bottom: 6px; }
.pain-card h3 { font-size: 18px; margin-bottom: 8px; }
.pain-card p { color: #6b7280; font-size: 14px; line-height: 1.6; }

/* ---------- 产品优势 ---------- */
.padv-layout { display: grid; grid-template-columns: 1fr 1.2fr 1fr; gap: 30px; align-items: center; margin-top: 20px; }
.padv-col { display: flex; flex-direction: column; gap: 36px; }
.padv-item { display: flex; gap: 16px; align-items: flex-start; }
.padv-col.right .padv-item { flex-direction: row-reverse; text-align: right; }
.padv-ico { flex-shrink: 0; width: 52px; height: 52px; border-radius: 14px; background: linear-gradient(135deg, #fff0f1, #ffe0e3); color: var(--red); display: flex; align-items: center; justify-content: center; }
.padv-ico svg { width: 26px; height: 26px; }
.padv-item h3 { font-size: 18px; color: var(--red); margin-bottom: 8px; }
.padv-item p { color: #5b626b; font-size: 14px; line-height: 1.7; }
.padv-center { display: flex; align-items: center; justify-content: center; }
.padv-center img { max-width: 100%; height: auto; border-radius: 16px; box-shadow: 0 20px 50px rgba(29,32,37,.15); border: 3px solid #fff; }

/* ---------- 行业应用 ---------- */
.ind-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px; }
.icard { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); text-align: center; padding: 26px 8px; transition: .25s; }
.icard:hover { border-color: var(--red); transform: translateY(-4px); box-shadow: var(--shadow); }
.icard .ico { font-size: 30px; }
.icard p { margin-top: 10px; font-size: 14px; font-weight: 500; }

/* ---------- 新闻 ---------- */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.ncard { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: .28s; display: flex; flex-direction: column; }
.ncard:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.ncard .nbody { padding: 20px 22px 22px; flex: 1; display: flex; flex-direction: column; }
.ncard .ndate { color: var(--red); font-size: 13px; letter-spacing: 1px; }
.ncard h3 { font-size: 17px; margin: 8px 0 10px; line-height: 1.5; }
.ncard p { color: var(--gray); font-size: 14px; flex: 1; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.ncard .nmore { margin-top: 14px; color: var(--red); font-weight: 600; font-size: 14px; }

/* ---------- CTA ---------- */
.cta { background: linear-gradient(120deg, #c00010, var(--red) 55%, #ff3546); color: #fff; padding: 58px 0; }
.cta .container { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.cta h2 { font-size: 30px; letter-spacing: 1px; }
.cta p { opacity: .92; margin-top: 6px; }
.cta .tel { text-align: right; }
.cta .tel small { display: block; opacity: .85; font-size: 14px; }
.cta .tel b { font-size: 34px; letter-spacing: 1px; }

/* ---------- 页脚 ---------- */
.footer { background: #141519; color: #9aa1ab; font-size: 14px; }
.fgrid { display: grid; grid-template-columns: 1.15fr .8fr .85fr auto 1.3fr; gap: 42px; padding: 52px 0 46px; align-items: start; }
.fcol h4 { position: relative; color: #fff; font-size: 16px; font-weight: 700; letter-spacing: 1px; padding-left: 11px; margin-bottom: 18px; }
.fcol h4::before { content: ""; position: absolute; left: 0; top: 50%; transform: translateY(-50%); width: 4px; height: 16px; border-radius: 2px; background: var(--red); }
.fcol li { margin-bottom: 11px; }
.fcol a { color: #9aa1ab; display: inline-block; transition: .2s; }
.fcol a:hover { color: #fff; transform: translateX(3px); }
.fqrcode img { width: 150px; height: auto; display: block; border-radius: 4px; }
.fqrcode p { margin: 8px 0 0; font-size: 13px; color: #c9ccd3; text-align: center; }
.fcontact .flogo { display: inline-block; background: #fff; border-radius: 8px; padding: 9px 14px; margin-bottom: 18px; }
.fcontact .flogo img { display: block; height: 38px; width: auto; }
.fhotline span { display: block; font-size: 12px; color: #8a9099; margin-bottom: 8px; }
.fphones { display: flex; flex-direction: column; gap: 5px; }
.fphones a { display: flex; align-items: baseline; gap: 12px; }
.fphones b { color: #fff; font-size: 25px; font-weight: 800; letter-spacing: .5px; line-height: 1.25; transition: .2s; }
.fphones a:hover b { color: #ff4d5c; }
.fphones em { font-style: normal; color: #8a9099; font-size: 13px; }
.fmeta { margin-top: 18px; padding-top: 16px; border-top: 1px solid #26282e; }
.fmeta p { margin-bottom: 7px; line-height: 1.55; }
.fmeta .fcom { color: #d7dbe0; font-weight: 600; margin-bottom: 9px; }
.copyright { background: #0e0f12; border-top: 1px solid #24262c; }
.copyright .container { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 0 12px; padding: 16px 16px; font-size: 13px; color: #6f7680; }
.copyright .csep { width: 1px; height: 12px; background: #3a3d44; }
.copyright a { color: #6f7680; transition: .2s; }
.copyright a:hover { color: #c7ccd3; }

/* ---------- 内页 banner ---------- */
.page-banner { background: linear-gradient(120deg, #c00010, var(--red) 55%, #ff3546); color: #fff; padding: 46px 0; }
.page-banner h1 { font-size: 30px; letter-spacing: 1px; }
.page-banner .crumb { font-size: 13px; opacity: .88; margin-top: 6px; }
.page-banner .crumb a:hover { text-decoration: underline; }

/* ---------- 产品中心页 ---------- */
.cate-layout { display: grid; grid-template-columns: 240px 1fr; gap: 26px; align-items: start; }
.side-box { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; margin-bottom: 22px; }
.side-box h3 { background: linear-gradient(135deg, var(--red), var(--red-light)); color: #fff; padding: 13px 18px; font-size: 16px; letter-spacing: 1px; }
.side-box ul li a { display: flex; justify-content: space-between; align-items: center; padding: 12px 18px; border-bottom: 1px solid var(--line); font-size: 15px; transition: .2s; }
.side-box ul li:last-child a { border-bottom: none; }
.side-box ul li a:hover, .side-box ul li a.active { background: #fdeaea; color: var(--red); padding-left: 24px; }
.side-box ul li a span.count { font-size: 12px; color: var(--gray); background: var(--bg); border-radius: 999px; padding: 1px 9px; }
.side-contact { text-align: center; padding: 22px 18px; }
.side-contact small { color: var(--gray); }
.side-contact b { display: block; color: var(--red); font-size: 21px; margin: 4px 0 12px; }
.result-bar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; color: var(--gray); font-size: 14px; }
.result-bar b { color: var(--red); }

/* ---------- 产品详情页 ---------- */
.pd-top { display: grid; grid-template-columns: 1.05fr .95fr; gap: 40px; align-items: start; }
.pd-gallery { position: sticky; top: 96px; }
.pd-main-img { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; display: flex; align-items: center; justify-content: center; }
.pd-main-img img { max-height: 420px; object-fit: contain; }
.pd-thumbs { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 14px; }
.pd-thumbs figure { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 10px; cursor: pointer; text-align: center; transition: .2s; }
.pd-thumbs figure.active, .pd-thumbs figure:hover { border-color: var(--red); }
.pd-thumbs img { height: 84px; object-fit: contain; margin: 0 auto; }
.pd-thumbs figcaption { font-size: 12px; color: var(--gray); margin-top: 6px; }
.pd-info .model { color: var(--red); font-size: 26px; font-weight: 800; letter-spacing: 1px; }
.pd-info h1 { font-size: 24px; margin: 4px 0 12px; }
.pd-info .brief { color: var(--gray); background: var(--bg); border-left: 3px solid var(--red); padding: 12px 16px; border-radius: 0 8px 8px 0; margin-bottom: 18px; }
.pd-quick { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 18px; margin-bottom: 22px; }
.pd-quick div { font-size: 14px; color: var(--gray); }
.pd-quick div b { color: var(--ink); font-weight: 600; }
.pd-btns { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 18px; }
.pd-note { font-size: 13px; color: var(--gray); }
.pd-note b { color: var(--red); }
.pd-section { margin-top: 54px; }
.pd-section h2 { font-size: 24px; margin-bottom: 20px; padding-left: 14px; border-left: 4px solid var(--red); letter-spacing: 1px; }
.feat-list { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.feat-list li { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 14px 18px; display: flex; gap: 10px; align-items: flex-start; font-size: 15px; }
.feat-list li::before { content: "✓"; color: #fff; background: var(--red); min-width: 22px; height: 22px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; font-size: 13px; margin-top: 2px; }
.spec-table { width: 100%; border-collapse: collapse; background: #fff; font-size: 14.5px; }
.spec-table th, .spec-table td { border: 1px solid var(--line); padding: 11px 16px; text-align: left; }
.spec-table th { background: #faf7f7; width: 220px; color: var(--ink); font-weight: 600; }
.spec-table tr:nth-child(even) td { background: #fcfcfd; }
.pd-catalog img { margin: 0 auto; border: 1px solid var(--line); border-radius: var(--radius); }

/* ---------- 关于/联系页 ---------- */
.about-page p { color: var(--gray); text-align: justify; margin-bottom: 14px; }
.about-page h2 { font-size: 24px; margin: 30px 0 14px; padding-left: 14px; border-left: 4px solid var(--red); }
.value-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 20px; }
.contact-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; align-items: start; }
.contact-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; }
.contact-card h3 { font-size: 20px; margin-bottom: 18px; }
.contact-line { display: flex; gap: 14px; padding: 14px 0; border-bottom: 1px dashed var(--line); font-size: 15px; }
.contact-line:last-child { border-bottom: none; }
.contact-line .ico { width: 42px; height: 42px; min-width: 42px; border-radius: 10px; background: #fdeaea; color: var(--red); display: flex; align-items: center; justify-content: center; font-size: 19px; }
.contact-line small { display: block; color: var(--gray); font-size: 13px; }
.contact-line b { font-weight: 600; }
.ctel { display: flex; flex-direction: column; gap: 3px; margin-top: 2px; }
.ctel b { display: flex; align-items: baseline; gap: 10px; font-weight: 700; }
.ctel a { font-size: 19px; color: var(--ink); transition: .2s; }
.ctel a:hover { color: var(--red); }
.ctel em { font-style: normal; color: var(--gray); font-size: 13px; font-weight: 400; }
.msg-form label { display: block; font-size: 14px; margin: 14px 0 6px; }
.msg-form input, .msg-form textarea {
  width: 100%; border: 1px solid var(--line); border-radius: 8px; padding: 11px 14px;
  font-size: 15px; font-family: inherit; outline: none; transition: .2s; background: #fff;
}
.msg-form input:focus, .msg-form textarea:focus { border-color: var(--red); box-shadow: 0 0 0 3px rgba(230,0,18,.08); }
.msg-form .form-tip { font-size: 13px; color: var(--gray); margin-top: 10px; }
.msg-form .form-tip.is-ok { color: #0a8f3c; }
.msg-form .form-tip.is-err { color: #e60012; }
/* 蜜罐字段：真人不可见 */
.hp-field { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; opacity: 0; pointer-events: none; }

/* ---------- 成功案例 ---------- */
.case-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.case-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: .28s; display: flex; flex-direction: column; }
.case-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.case-card .cimg { background: #fff; border-bottom: 1px solid var(--line); aspect-ratio: 1/1; display: flex; align-items: center; justify-content: center; padding: 12px; }
.case-card .cimg img { width: 100%; height: 100%; object-fit: contain; transition: .3s; }
.case-card:hover .cimg img { transform: scale(1.05); }
.case-card .cbody { padding: 16px 18px 18px; flex: 1; display: flex; flex-direction: column; }
.cmeta { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.chip { background: #fdeaea; color: var(--red); font-size: 12px; padding: 2px 10px; border-radius: 999px; font-weight: 600; }
.cdate { color: var(--gray); font-size: 12.5px; }
.case-card h3 { font-size: 16px; line-height: 1.5; margin-bottom: 8px; }
.case-card p { color: var(--gray); font-size: 13.5px; flex: 1; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.case-card .pmore { margin-top: 12px; color: var(--red); font-weight: 600; font-size: 14px; }

/* ---------- 公司简介（走进我们） ---------- */
.sec-head.deco h2 { color: var(--red); position: relative; display: inline-block; padding: 0 20px; }
.sec-head.deco h2::before, .sec-head.deco h2::after { content: ""; position: absolute; top: 54%; width: 64px; height: 1px; background: #dcdfe4; }
.sec-head.deco h2::before { left: -70px; }
.sec-head.deco h2::after { right: -70px; }
.sec-head.deco .en-sub { color: var(--ink); font-weight: 700; font-size: 15px; letter-spacing: 4px; margin-top: 2px; }
.sec-head.deco p { display: none; }
.about2-wrap { display: grid; grid-template-columns: .95fr 1.05fr; gap: 46px; align-items: center; }
.about2-fig { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); background: #fff; box-shadow: var(--shadow); }
.about2-fig img { width: 100%; height: 100%; object-fit: contain; padding: 20px; }
/* 实景照片（如公司大门）：铺满卡片，不用白底内边距 */
.about2-fig img.about2-photo { object-fit: cover; padding: 0; min-height: 420px; display: block; }
.about2-title { font-size: 24px; margin-bottom: 16px; letter-spacing: .5px; }
.about2-wrap p { color: var(--gray); text-align: justify; margin-bottom: 14px; }
.more-link { display: inline-block; margin-top: 8px; color: var(--red); font-weight: 700; font-size: 16px; border-bottom: 2px solid transparent; transition: .2s; }
.more-link:hover { border-bottom-color: var(--red); gap: 6px; }

/* ---------- 公司环境 ---------- */
/* ---------- 公司环境滚动带 ---------- */
.marquee { overflow: hidden; padding: 4px 0; -webkit-mask-image: linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent); mask-image: linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent); }
.marquee-track { display: flex; width: max-content; animation: marquee 48s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track img { width: 400px; aspect-ratio: 16 / 9; height: auto; object-fit: cover; margin-right: 16px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
@keyframes marquee { to { transform: translateX(-50%); } }
/* 公司环境图片墙：首张大图跨 2×2，其余统一 4:3 卡片 */
.env-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.env-grid figure { position: relative; margin: 0; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); background: #f2f3f5; aspect-ratio: 4 / 3; }
.env-grid figure:nth-child(1) { grid-column: span 2; grid-row: span 2; aspect-ratio: auto; }
.env-grid img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .5s ease; }
.env-grid figure:hover img { transform: scale(1.05); }
.env-grid figure::after { content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 45%; background: linear-gradient(transparent, rgba(0,0,0,.28)); pointer-events: none; }
.env-grid figcaption { position: absolute; left: 12px; bottom: 12px; z-index: 1; background: rgba(29,32,37,.78); color: #fff; font-size: 13px; letter-spacing: .5px; padding: 6px 16px; border-radius: 999px; }

/* ---------- 合作客户 logo 墙 ---------- */
.logo-wall { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; }
.logo-card { background: #fff; border: 1px solid #eef0f3; border-radius: 12px; padding: 28px 20px; display: flex; align-items: center; justify-content: center; transition: .25s; }
.logo-card:hover { border-color: var(--red); transform: translateY(-3px); box-shadow: 0 8px 20px rgba(29,32,37,.08); }
.logo-card img { max-width: 100%; max-height: 72px; width: auto; height: auto; object-fit: contain; }

/* ---------- 动画 ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: .7s ease; }
.reveal.on { opacity: 1; transform: none; }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .header .container { height: 92px; }
  .logo { padding-right: 16px; }
  .logo img { height: 56px; }
  .header-brand { padding: 0 16px; }
  .header-brand h1, .header-brand .hb-name { font-size: 17px; overflow: hidden; text-overflow: ellipsis; }
  .header-tags { gap: 12px; margin-top: 7px; }
  .header-tags span { font-size: 12.5px; }
  .header-tags em svg { width: 15px; height: 15px; }
  .header-right { gap: 14px; padding-left: 16px; }
  .alibaba { padding: 9px 15px; font-size: 13px; border-radius: 18px; }
  .alibaba .ali-ico { width: 17px; height: 17px; }
  .header-phone { padding-left: 16px; gap: 9px; }
  .header-phone .ico { width: 40px; height: 40px; }
  .header-phone .ico svg { width: 20px; height: 20px; }
  .header-phone small { font-size: 11px; }
  .header-phone b { font-size: 18px; }
  .nav-bar .container { height: 48px; }
  .nav-bar a { line-height: 48px; font-size: 15px; padding: 0 12px; }
  .prod-grid, .prod-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
  .adv-grid { gap: 20px; }
  .pain-grid { gap: 16px; }
  .padv-layout { gap: 20px; }
  .padv-item { gap: 12px; }
  .adv-card-icon { height: 100px; }
  .adv-disk { width: 66px; height: 66px; }
  .adv-card-icon svg { width: 34px; height: 34px; }
  .adv-card-body { padding: 22px 24px 24px; }
  .ind-grid { grid-template-columns: repeat(4, 1fr); }
  .footer .fgrid { grid-template-columns: 1fr 1fr; gap: 36px 32px; }
  .footer .fcontact { grid-column: span 2; display: grid; grid-template-columns: 210px 1fr; column-gap: 34px; }
  .footer .fcontact .flogo { grid-column: 1; margin-bottom: 14px; }
  .footer .fcontact .fhotline { grid-column: 1; }
  .footer .fcontact .fmeta { grid-column: 2; grid-row: 1 / span 2; margin-top: 0; padding-top: 0; border-top: none; }
  .fphones { gap: 4px; }
  .fphones a { gap: 8px; }
  .fphones b { font-size: 20px; }
  .fphones em { font-size: 12px; }
  .hero .container { grid-template-columns: 1fr; padding-top: 46px; }
  .hero-fig { display: none; }
  .pd-top { grid-template-columns: 1fr; }
  .pd-gallery { position: static; }
  .about2-wrap, .contact-layout { grid-template-columns: 1fr; }
  .about2-fig img.about2-photo { min-height: 240px; }
  .cate-layout { grid-template-columns: 1fr; }
  .case-grid { grid-template-columns: repeat(2, 1fr); }
  .logo-wall { grid-template-columns: repeat(4, 1fr); gap: 12px; }
  .logo-card { padding: 16px 10px; }
  .logo-card img { max-height: 40px; }
  .env-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .header-brand { display: none; }
  .alibaba { display: none; }
  .header .container { height: 64px; gap: 12px; }
  .logo { border-right: none; padding-right: 0; }
  .logo img { height: 44px; }
  .header-right { gap: 14px; padding-left: 0; }
  .header-phone { border-left: none; padding-left: 0; gap: 10px; }
  .header-phone .ico { width: 38px; height: 38px; }
  .header-phone .ico svg { width: 19px; height: 19px; }
  .nav-bar { display: none; position: absolute; top: 100px; left: 0; right: 0; background: var(--red); flex-direction: column; padding: 6px 0; box-shadow: 0 10px 20px rgba(0,0,0,.12); }
  .nav-bar.open { display: flex; }
  .nav-bar .container { flex-direction: column; height: auto; align-items: stretch; }
  .nav-bar a { padding: 12px 20px; line-height: 1.4; }
  .nav-toggle { display: block; }
  .header-phone b { font-size: 15px; }
  .banner-arrow { width: 34px; height: 34px; font-size: 22px; }
  .banner-arrow.prev { left: 8px; }
  .banner-arrow.next { right: 8px; }
  .hero h1 { font-size: 31px; }
  .pain-grid { grid-template-columns: 1fr; }
  .padv-layout { grid-template-columns: 1fr; gap: 30px; }
  .padv-col { gap: 24px; }
  .padv-col.right .padv-item { flex-direction: row; text-align: left; }
  .padv-center { order: -1; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .hstat:nth-child(3) { border-left: none; }
  .hstat { border-top: 1px solid rgba(255,255,255,.16); }
  .hstat:nth-child(-n+2) { border-top: none; }
  .prod-grid, .prod-grid.cols-3 { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: 1fr; }
  .feat-list, .value-grid { grid-template-columns: 1fr; }
  .ind-grid { grid-template-columns: repeat(3, 1fr); }
  .case-grid { grid-template-columns: 1fr; }
  .env-grid { grid-template-columns: 1fr; }
  .marquee-track img { width: 270px; margin-right: 10px; }
  .env-grid figure:nth-child(1) { grid-column: span 1; grid-row: span 1; aspect-ratio: 4 / 3; }
  .section { padding: 52px 0; }
  .sec-head h2 { font-size: 25px; }
  .sec-head.deco h2::before, .sec-head.deco h2::after { display: none; }
  .cta .tel { text-align: left; }
  .footer .fgrid { grid-template-columns: 1fr; gap: 28px; }
  .footer .fcontact { grid-column: auto; display: block; }
  .footer .fmeta { margin-top: 18px; padding-top: 16px; border-top: 1px solid #26282e; }
  .footer .fqrcode img { width: 160px; }
  .pd-thumbs { grid-template-columns: repeat(2, 1fr); }
  .spec-table th { width: 130px; }
}
@media (max-width: 480px) {
  .prod-grid, .prod-grid.cols-3 { grid-template-columns: 1fr; }
  .hero-btns .btn { padding: 11px 20px; font-size: 14px; }
  .logo-wall { grid-template-columns: repeat(3, 1fr); gap: 10px; }
  .logo-card { padding: 12px 8px; }
  .logo-card img { max-height: 32px; }
  .adv-grid { grid-template-columns: 1fr; }
}