/* ============ 武汉漂伊纯医疗器械有限公司官网 ============ */
/* 绿色环保 · 浅色系 · 科技大气 */
:root {
  --green: #1e78c8;
  --green-dark: #14569a;
  --green-deep: #0d3d6e;
  --green-light: #e8f2fb;
  --green-line: #cfe2f4;
  --blue: #1668b4;
  --text: #333;
  --text2: #666;
  --muted: #999;
  --bg: #f5f9fd;
  --white: #fff;
  --radius: 10px;
  --shadow: 0 6px 24px rgba(20, 86, 154, .10);
  --shadow-h: 0 12px 32px rgba(20, 86, 154, .18);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  font-size: 15px;
  line-height: 1.75;
}
a { text-decoration: none; color: inherit; transition: color .25s; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
.container { width: min(1440px, 92%); margin: 0 auto; }

/* ---------- 顶部信息条 ---------- */
.topbar { background: #e8f2fb; color: #4a6480; font-size: 13px; border-bottom: 1px solid #d3e4f4; }
.topbar .container { display: flex; justify-content: space-between; align-items: center; height: 34px; }
.topbar a { color: var(--green-dark); font-weight: 600; }
.topbar a:hover { color: var(--green); }
.topbar .tb-left span { margin-right: 18px; }

/* ---------- 头部导航 ---------- */
.header { background: #fff; box-shadow: 0 2px 12px rgba(0,0,0,.06); position: sticky; top: 0; z-index: 100; }
.header .container { display: flex; align-items: center; justify-content: space-between; height: 86px; }
.logo { display: flex; align-items: center; gap: 14px; }
.logo img { height: 52px; }
.logo .logo-text { border-left: 1px solid #e3ecf5; padding-left: 14px; }
.logo .cn-name { font-size: 19px; font-weight: 700; color: var(--green-deep); letter-spacing: 1px; line-height: 1.3; }
.logo .en-name { font-size: 11px; color: var(--muted); letter-spacing: .5px; }
.nav { display: flex; }
.nav > li { position: relative; }
.nav > li > a {
  display: block; padding: 0 22px; line-height: 86px; font-size: 16px; font-weight: 600; color: #333;
}
.nav > li > a:hover, .nav > li.active > a { color: var(--green); }
.nav > li.active > a::after {
  content: ""; position: absolute; left: 22px; right: 22px; bottom: 18px; height: 3px;
  background: var(--green); border-radius: 2px;
}
.nav .dropdown {
  position: absolute; top: 100%; left: 50%; transform: translateX(-50%) translateY(12px);
  background: #fff; min-width: 210px; border-radius: 8px; box-shadow: var(--shadow-h);
  padding: 8px 0; opacity: 0; visibility: hidden; transition: all .28s; z-index: 99;
  border-top: 3px solid var(--green);
}
.nav li:hover .dropdown { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.nav .dropdown a { display: block; padding: 9px 22px; font-size: 14px; color: #555; }
.nav .dropdown a:hover { background: var(--green-light); color: var(--green); padding-left: 26px; }
.nav .dropdown.cols { min-width: 430px; display: grid; grid-template-columns: 1fr 1fr; padding: 10px 0; }

/* ---------- 首页轮播 ---------- */
.banner { position: relative; height: 640px; overflow: hidden; background: #dcecf8; }
.banner .slide {
  position: absolute; inset: 0; background-size: cover; background-position: center;
  opacity: 0; transition: opacity .9s ease;
}
.banner .slide.on { opacity: 1; }
.banner .slide::before {
  content: ""; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(90deg, rgba(255,255,255,.62) 0%, rgba(255,255,255,.34) 36%, rgba(255,255,255,0) 60%);
}
.banner .cap {
  position: absolute; z-index: 2; top: 50%; transform: translateY(-50%);
  left: max(calc((100vw - 1440px) / 2), 4vw); max-width: 680px; color: #0d3d6e;
}
.banner .cap-kicker {
  font-size: 14px; font-weight: 600; letter-spacing: 5px; color: #1e78c8; margin-bottom: 18px;
  display: flex; align-items: center; gap: 14px;
}
.banner .cap-kicker::before {
  content: ""; width: 46px; height: 2px; background: linear-gradient(90deg, #1e78c8, rgba(30,120,200,0));
}
.banner .cap h2 { font-size: 42px; letter-spacing: 2px; line-height: 1.28; color: #0d3d6e; text-shadow: 0 2px 18px rgba(255,255,255,.65); }
.banner .cap p { font-size: 18px; line-height: 1.85; margin-top: 16px; color: rgba(13,61,110,.85); text-shadow: 0 1px 10px rgba(255,255,255,.6); }
.banner-arrows a {
  position: absolute; top: 50%; transform: translateY(-50%); width: 46px; height: 46px; line-height: 44px;
  text-align: center; color: #0d3d6e; background: rgba(255,255,255,.72); border: 1px solid rgba(30,120,200,.25); border-radius: 50%; font-size: 22px; z-index: 5;
}
.banner-arrows a:hover { background: var(--green); color: #fff; }
.banner-arrows .prev { left: 26px; }
.banner-arrows .next { right: 26px; }
.banner-dots { position: absolute; bottom: 22px; left: 0; right: 0; text-align: center; z-index: 5; }
.banner-dots i {
  display: inline-block; width: 30px; height: 5px; margin: 0 5px; background: rgba(13,61,110,.28);
  border-radius: 3px; cursor: pointer; transition: all .3s;
}
.banner-dots i.on { background: var(--green); width: 44px; }

/* ---------- 通用区块 ---------- */
.section { padding: 56px 0; }
.section.gray { background: #fff; }
.sec-head { text-align: center; margin-bottom: 46px; }
.sec-head .en { font-size: 13px; color: var(--green); letter-spacing: 3px; text-transform: uppercase; }
.sec-head h2 { font-size: 32px; color: #222; letter-spacing: 2px; margin-top: 6px; }
.sec-head .line { width: 56px; height: 4px; background: var(--green); margin: 16px auto 0; border-radius: 2px; position: relative; }
.sec-head .line::after { content: ""; position: absolute; left: 20px; width: 16px; height: 4px; background: #9cc8ef; border-radius: 2px; }
.sec-head p.sub { color: var(--text2); margin-top: 14px; }

/* 左对齐区块标题（宽屏版，右侧“查看全部”） */
.sec-bar { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 34px; }
.sec-bar .sb-left .en { font-size: 13px; color: var(--green); letter-spacing: 3px; text-transform: uppercase; }
.sec-bar .sb-left h2 { font-size: 30px; color: #222; letter-spacing: 2px; margin-top: 4px; }
.sec-bar .sb-left .line { width: 56px; height: 4px; background: var(--green); margin-top: 14px; border-radius: 2px; position: relative; }
.sec-bar .sb-left .line::after { content: ""; position: absolute; left: 20px; width: 16px; height: 4px; background: #9cc8ef; border-radius: 2px; }
.sec-bar .sb-left p.sub { color: var(--text2); margin-top: 12px; }
.sec-bar .sb-more { font-size: 14px; color: var(--text2); white-space: nowrap; padding-bottom: 6px; }
.sec-bar .sb-more:hover { color: var(--green); }
.sec-bar .sb-more i { font-style: normal; margin-left: 6px; transition: margin-left .25s; }
.sec-bar .sb-more:hover i { margin-left: 10px; }

.btn {
  display: inline-block; padding: 11px 34px; border-radius: 30px; font-size: 15px;
  background: var(--green); color: #fff; letter-spacing: 2px; transition: all .3s;
  border: 1px solid var(--green); cursor: pointer;
}
.btn:hover { background: var(--green-dark); box-shadow: var(--shadow-h); color: #fff; }
.btn.ghost { background: transparent; color: var(--green); }
.btn.ghost:hover { background: var(--green); color: #fff; }
.more-btn { text-align: center; margin-top: 40px; }

/* ---------- 产品网格 ---------- */
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.product-card {
  background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow);
  transition: all .35s; border: 1px solid #eaf2fa; display: block;
}
.product-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-h); }
.product-card .pic { height: auto; aspect-ratio: 4 / 3; overflow: hidden; background: #eaf3fa; display: flex; align-items: center; justify-content: center; }
.product-card .pic img { width: 100%; height: 100%; object-fit: cover; padding: 0; transition: transform .4s; }
.product-card:hover .pic img { transform: scale(1.06); }
.product-card .txt { padding: 16px 20px 20px; }
.product-card h3 {
  font-size: 17px; text-align: left; padding: 0 0 8px; color: #333; font-weight: 600;
}
.product-card .txt p { font-size: 13.5px; color: var(--text2); line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.product-card:hover h3 { color: var(--green); }
.product-card.solo h3 { text-align: center; padding: 14px 12px 16px; border-top: 1px solid #f0f5fa; }

/* ---------- 首页公司简介 ---------- */
.about-wrap {
  display: grid;
  grid-template-columns: minmax(0, 560px) minmax(0, 1fr);
  gap: clamp(42px, 5.4vw, 78px);
  align-items: center;
}
.about-facility { margin: 0; }
.about-facility::before, .about-facility::after { display: none; }
.facility-photo {
  position: relative; z-index: 1; overflow: hidden; aspect-ratio: 4 / 3;
  border: 1px solid #dbe7f1; border-radius: 6px; background: #dbe6ed;
  box-shadow: 0 24px 52px rgba(13, 61, 110, .18);
}
.facility-photo > img {
  width: 100%; height: 100%; object-fit: cover; object-position: center center;
  transform: none; transition: transform .7s ease;
}
.about-facility:hover .facility-photo > img { transform: none; }
.about-text .en { color: var(--green); letter-spacing: 3px; font-size: 13px; text-transform: uppercase; }
.about-text h2 { font-size: clamp(30px, 2.4vw, 36px); margin: 8px 0 20px; color: #173959; line-height: 1.25; }
.about-text p { color: var(--text2); margin-bottom: 14px; text-align: justify; line-height: 1.9; }
.about-text .btn { margin-top: 18px; }
.about-stats {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px;
  margin: 28px 0 0; padding: 20px 0 0; border-top: 1px solid #dce8f2;
}
.about-stats .stat { min-width: 0; }
.about-stats .stat b { display: block; font-size: 30px; line-height: 1.15; color: var(--green); font-family: Arial, sans-serif; }
.about-stats .stat span { display: block; color: var(--text2); font-size: 13px; line-height: 1.55; margin-top: 6px; }

/* ---------- 应用案例 ---------- */
.case-card {
  background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow);
  transition: all .35s; border: 1px solid #eaf2fa;
}
.case-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-h); }
.case-card .pic { height: 200px; overflow: hidden; }
.case-card .pic img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s; }
.case-card:hover .pic img { transform: scale(1.07); }
.case-card .txt { padding: 18px 20px 22px; }
.case-card h3 { font-size: 16px; color: #333; margin-bottom: 8px; }
.case-card:hover h3 { color: var(--green); }
.case-card p { font-size: 13.5px; color: var(--text2); display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }

/* ---------- 页面子横幅 ---------- */
.page-banner {
  height: clamp(380px, 31.5vw, 560px); background-size: cover; background-position: center; position: relative; z-index: 1;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.page-banner::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(246,252,255,.96) 0%, rgba(240,250,255,.88) 30%, rgba(231,248,253,.36) 53%, rgba(225,246,253,.05) 75%);
}
.page-banner .pb-inner {
  position: relative; z-index: 2; width: min(1440px, 92%); color: #123f67; text-align: left;
}
.page-banner h1 { font-size: 42px; line-height: 1.15; letter-spacing: 5px; text-shadow: none; }
.page-banner p { margin-top: 12px; color: #2771ad; font-size: 15px; font-weight: 600; letter-spacing: 2.4px; opacity: 1; }
.crumb { background: #fff; border-bottom: 1px solid #eef3f8; position: sticky; top: 86px; z-index: 90; box-shadow: 0 4px 14px rgba(20,86,154,.06); }
.crumb .container { height: 50px; display: flex; align-items: center; justify-content: space-between; font-size: 13px; color: var(--muted); }
.crumb-tabs { display: flex; margin-left: auto; gap: 4px; }
.crumb-tabs a { display: block; padding: 5px 18px; font-size: 13.5px; color: #555; border-radius: 16px; transition: all .25s; }
.crumb-tabs a:hover { color: var(--green); background: var(--green-light); }
.crumb-tabs a.on { background: var(--green); color: #fff; }
.about-block { scroll-margin-top: 156px; }
.crumb a { color: var(--text2); }
.crumb a:hover { color: var(--green); }
.crumb b { color: var(--green); font-weight: 600; }

/* ---------- 关于我们 ---------- */
.about-block { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); padding: 44px 48px; margin-bottom: 34px; }
.about-block h2.block-title {
  font-size: 24px; color: #222; padding-left: 16px; border-left: 5px solid var(--green);
  margin-bottom: 24px; letter-spacing: 1px;
}
.about-block p { color: var(--text2); text-align: justify; margin-bottom: 12px; }
.about-block p.lead { color: #444; font-weight: 600; }
.about-block .motto {
  background: var(--green-light); border-radius: 8px; padding: 20px 26px; color: var(--green-deep);
  font-size: 15px; line-height: 2; margin: 18px 0;
}
.brand-h { color: var(--green-dark); font-size: 18px; margin: 22px 0 10px; font-weight: 700; }
.about-pics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 26px; }
.about-pics img { border-radius: 8px; height: 190px; width: 100%; object-fit: cover; box-shadow: var(--shadow); }
.about-pics-single { position: relative; display: block; margin: 26px 0 0; overflow: hidden; border-radius: 10px; background: #e8f1f7; box-shadow: 0 18px 44px rgba(13, 61, 110, .16); }
.about-pics-single img { display: block; width: 100%; height: auto; aspect-ratio: auto; object-fit: contain; border-radius: 0; box-shadow: none; }
.facility-hd-signage { position: absolute; left: 29.5%; top: 70.8%; width: 16.1%; height: 13.4%; background: linear-gradient(100deg, #06b9c8 0%, #08c5d3 55%, #08c1ce 100%); pointer-events: none; overflow: hidden; }
.facility-hd-signage img { position: absolute; left: 17%; top: 10%; width: 66%; height: auto; content: url("../img/brand-logo.png"); mix-blend-mode: multiply; transform: rotate(1.1deg) skewX(-2deg); transform-origin: center; }
.facility-hd-signage strong { position: absolute; left: -5%; right: -5%; top: 60%; color: #07518b; font-family: "Microsoft YaHei", "Noto Sans CJK SC", sans-serif; font-size: clamp(4px, .82vw, 12.5px); font-weight: 800; line-height: 1; letter-spacing: -.075em; text-align: center; white-space: nowrap; transform: rotate(1.1deg) skewX(-2deg); transform-origin: center; }

/* 证书/专利轮播 */
.gallery { position: relative; }
.gallery-view { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow-h); overflow: hidden; }
.gallery-stage { height: 560px; display: flex; align-items: center; justify-content: center; background: #f2f7fc; position: relative; }
.gallery-stage img { max-height: 100%; max-width: 100%; object-fit: contain; }
.gallery-cap {
  text-align: center; padding: 16px; font-size: 16px; font-weight: 600; color: #333;
  border-top: 1px solid #eef3f8; background: #fff;
}
.gallery-cap span { color: var(--muted); font-weight: 400; margin-left: 10px; font-size: 13px; }
.gallery-nav a {
  position: absolute; top: 50%; transform: translateY(-50%); width: 48px; height: 48px; line-height: 46px;
  background: rgba(20,86,154,.75); color: #fff; border-radius: 50%; text-align: center; font-size: 22px; z-index: 6;
}
.gallery-nav a:hover { background: var(--green); }
.gallery-nav .prev { left: 22px; }
.gallery-nav .next { right: 22px; }
.gallery-thumbs { display: flex; gap: 12px; margin-top: 18px; overflow-x: auto; padding: 6px 2px 12px; }
.gallery-thumbs img {
  height: 86px; border-radius: 6px; cursor: pointer; border: 3px solid transparent; flex: 0 0 auto;
  background: #fff; object-fit: contain; padding: 2px; transition: all .25s;
}
.gallery-thumbs img.on { border-color: var(--green); box-shadow: var(--shadow); }

/* ---------- 产品中心 ---------- */
.products-layout { display: grid; grid-template-columns: 270px 1fr; gap: 30px; align-items: start; position: relative; }
.products-layout > .side-col { grid-column: 1; grid-row: 1; }
.products-layout > .p-detail.on { grid-column: 2; grid-row: 1; }
.side-col { align-self: start; transition: opacity .25s ease; }
.side-col.fade { opacity: 0; pointer-events: none; }
.side-col.fixed { position: fixed; top: 166px; left: max(calc((100vw - 1440px) / 2), 4vw); width: 270px; z-index: 60;
  max-height: calc(100vh - 186px); overflow-y: auto; scrollbar-width: thin; scrollbar-color: #b8d4ee transparent; }
.side-col::-webkit-scrollbar { width: 5px; }
.side-col::-webkit-scrollbar-thumb { background: #b8d4ee; border-radius: 3px; }
.side-list { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
.side-list .sl-head {
  background: var(--green-deep); color: #fff; padding: 16px 22px; font-size: 17px; font-weight: 700; letter-spacing: 2px;
}
.side-list a {
  display: flex; justify-content: space-between; align-items: center; padding: 13px 22px; font-size: 14.5px;
  color: #444; border-bottom: 1px solid #f2f6fb; transition: all .25s;
}
.side-list a i { font-style: normal; color: #c3d8ee; font-size: 12px; }
.side-list a:hover { color: var(--green); background: var(--green-light); padding-left: 26px; }
.side-list a.on { background: var(--green); color: #fff; font-weight: 600; }
.side-list a.on i { color: #fff; }
.side-contact { margin-top: 24px; background: linear-gradient(135deg, var(--green), var(--green-dark)); border-radius: var(--radius); padding: 26px 24px; color: #fff; }
.side-contact h4 { font-size: 16px; margin-bottom: 12px; letter-spacing: 1px; }
.side-contact p { font-size: 13.5px; opacity: .95; line-height: 1.9; }
.side-contact b { font-size: 21px; font-family: Arial; letter-spacing: .5px; }

.p-detail { display: none; }
.p-detail.on { display: block; animation: fadeUp .45s ease; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
.p-head {
  background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden;
  display: grid; grid-template-columns: 460px 1fr; gap: 0; margin-bottom: 26px;
}
.p-head .p-pic { padding: 0; display: flex; align-items: center; aspect-ratio: 4 / 3; overflow: hidden; background: #eaf3fa; }
.p-head .p-pic img { width: 100%; height: 100%; object-fit: cover; }
.p-detail#pd-parts .p-head { grid-template-columns: minmax(0, 1.7fr) minmax(320px, 1fr); }
.p-detail#pd-parts .p-pic { aspect-ratio: 1581 / 830; background: #fff; }
.p-detail#pd-parts .p-pic img { object-fit: contain; }
.p-head .p-info { padding: 30px 34px; }
.p-head h1 { font-size: 26px; color: #222; margin-bottom: 4px; }
.p-head .p-sub { color: var(--green); font-size: 14px; margin-bottom: 16px; letter-spacing: 1px; }
.p-head .p-intro { color: var(--text2); text-align: justify; }
.p-sec { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); padding: 30px 34px; margin-bottom: 26px; }
.p-sec h3 { font-size: 19px; color: #222; padding-left: 14px; border-left: 4px solid var(--green); margin-bottom: 18px; }
.p-sec ul.feat li {
  position: relative; padding: 7px 0 7px 24px; color: var(--text2); border-bottom: 1px dashed #e0ecf7;
}
.p-sec ul.feat li::before {
  content: ""; position: absolute; left: 4px; top: 16px; width: 8px; height: 8px;
  background: var(--green); border-radius: 50%;
}
.p-sec ul.feat li b { color: #333; }
.spec-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.spec-table th { background: var(--green-light); color: var(--green-deep); font-weight: 600; padding: 11px 12px; border: 1px solid #cfe0f2; text-align: center; }
.spec-table td { padding: 10px 12px; border: 1px solid #d8e6f4; color: #555; text-align: center; }
.spec-table tr:nth-child(even) td { background: #fafdfe; }
.spec-table.kv td:nth-child(odd) { background: #f7fafd; color: #333; font-weight: 600; width: 190px; }
.p-note { color: var(--muted); font-size: 13px; margin-top: 12px; }

/* ---------- 服务支持 ---------- */
.svc-idea {
  background: linear-gradient(135deg, #f0f7fd, #e3eef9); color: #4a6480;
  border: 1px solid #d3e4f4; border-radius: var(--radius); padding: 40px 46px; margin-bottom: 34px;
}
.svc-idea h2 { font-size: 24px; letter-spacing: 2px; margin-bottom: 16px; color: #0d3d6e; padding-left: 14px; border-left: 4px solid var(--green); line-height: 1.3; }
.svc-idea .idea-tags { display: flex; gap: 14px; margin: 6px 0 20px; flex-wrap: wrap; }
.svc-idea .idea-tags span { background: #fff; border: 1px solid #b8d4ee; color: var(--green-dark); padding: 7px 22px; border-radius: 22px; font-size: 15px; letter-spacing: 2px; }
.svc-idea p { text-align: justify; font-size: 14.5px; color: #4a6480; }
.svc-idea p + p { margin-top: 15px; }
.svc-idea p b { color: var(--green-dark); font-size: 15px; letter-spacing: 1px; }
.svc-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.svc-step { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); padding: 30px 24px; text-align: center; transition: all .3s; }
.svc-step:hover { transform: translateY(-6px); box-shadow: var(--shadow-h); }
.svc-step .num {
  width: 54px; height: 54px; line-height: 54px; margin: 0 auto 16px; border-radius: 50%;
  background: var(--green-light); color: var(--green); font-size: 22px; font-weight: 700; font-family: Arial;
}
.svc-step h4 { font-size: 17px; margin-bottom: 10px; color: #333; }
.svc-step p { font-size: 13.5px; color: var(--text2); }
.svc-net { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); padding: 30px 34px; }
.svc-net img { width: 100%; border-radius: 8px; }

/* ---------- 联系我们 ---------- */
.contact-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; margin-bottom: 34px; }
.contact-card {
  background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); padding: 32px 28px; text-align: center;
  transition: all .3s; border-top: 4px solid transparent;
}
.contact-card:hover { border-top-color: var(--green); transform: translateY(-6px); }
.contact-card .ic {
  width: 62px; height: 62px; line-height: 62px; margin: 0 auto 16px; border-radius: 50%;
  background: var(--green-light); font-size: 26px;
}
.contact-card h4 { font-size: 16px; color: #333; margin-bottom: 8px; }
.contact-card p { color: var(--text2); font-size: 14px; }
.contact-card b { color: var(--green-dark); font-size: 19px; font-family: Arial; }
.map-box { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px; }
.map-box #mapBox { width: 100%; height: 460px; border-radius: 8px; background: #e8f2fb; z-index: 1; }
.pyc-pin .pin-in { position: relative; width: 24px; height: 24px; background: #1e78c8; border: 3px solid #fff; border-radius: 50% 50% 50% 0; transform: rotate(-45deg); box-shadow: 0 3px 10px rgba(13,61,110,.4); }
.pyc-pin .pin-in span { position: absolute; left: 50%; top: 50%; width: 8px; height: 8px; margin: -4px 0 0 -4px; background: #fff; border-radius: 50%; }
.pyc-tip { font-weight: 600; font-size: 13px; color: var(--green-dark); border: 1px solid #b8d4ee; box-shadow: 0 2px 8px rgba(13,61,110,.15); }
.leaflet-container { font: 12px/1.4 inherit; }
.leaflet-control-attribution { background: rgba(255,255,255,.8); font-size: 11px; }
.map-tip { text-align: center; color: var(--text2); font-size: 13.5px; margin-top: 14px; }
.map-tip a { color: var(--green); font-weight: 600; }

/* ---------- 页脚 ---------- */
.footer { background: linear-gradient(180deg, #f0f7fd, #e3eef9); color: #4a6480; margin-top: 70px; border-top: 1px solid #d3e4f4; }
.footer .f-main { display: grid; grid-template-columns: 1.3fr 0.9fr 1.1fr minmax(360px, 1.6fr); gap: 40px; padding: 52px 0 40px; }
.f-prod .f-links { display: grid; grid-template-columns: 1fr 1fr; column-gap: 16px; }
.f-addr { white-space: nowrap; }
.footer h4 { color: #0d3d6e; font-size: 16px; margin-bottom: 18px; letter-spacing: 1px; position: relative; padding-bottom: 10px; }
.footer h4::after { content: ""; position: absolute; left: 0; bottom: 0; width: 26px; height: 2px; background: var(--green); }
.footer p, .footer a { font-size: 13.5px; color: #4a6480; line-height: 2.1; display: block; }
.footer a:hover { color: var(--green-dark); }
.footer .f-logo img { height: 44px; background: #fff; border-radius: 6px; padding: 5px; margin-bottom: 14px; box-shadow: 0 2px 8px rgba(20,86,154,.10); }
.footer .f-bottom { border-top: 1px solid #c9ddf0; text-align: center; padding: 18px 0; font-size: 13px; color: #7c92a8; }

/* ---------- 浮动客服栏 ---------- */
.float-bar { position: fixed; right: 18px; bottom: 90px; z-index: 200; display: flex; flex-direction: column; box-shadow: var(--shadow-h); border-radius: 8px; overflow: hidden; }
.float-bar a, .float-bar button {
  width: 52px; height: 52px; background: var(--green); color: #fff; border: 0; font-size: 22px;
  display: flex; align-items: center; justify-content: center; cursor: pointer; transition: background .25s;
  border-bottom: 1px solid rgba(255,255,255,.25);
}
.float-bar a:last-child, .float-bar button:last-child { border-bottom: 0; }
.float-bar a:hover, .float-bar button:hover { background: var(--green-dark); }
#backTop { display: none; }
.float-phone-tip {
  position: absolute; right: 60px; top: 50%; transform: translateY(-50%); background: #fff; color: #333;
  font-size: 13px; padding: 8px 14px; border-radius: 6px; box-shadow: var(--shadow); white-space: nowrap;
  opacity: 0; visibility: hidden; transition: all .25s;
}
.float-bar:hover .float-phone-tip { opacity: 1; visibility: visible; }

/* ---------- 响应式 ---------- */
/* 汉堡按钮（桌面隐藏） */
.nav-toggle { display: none; width: 42px; height: 42px; flex-direction: column; align-items: center; justify-content: center; gap: 5px; background: transparent; border: 1px solid var(--green-line); border-radius: 8px; cursor: pointer; }
.nav-toggle span { display: block; width: 20px; height: 2px; background: var(--green-deep); transition: all .3s; }
.nav-toggle.on span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.on span:nth-child(2) { opacity: 0; }
.nav-toggle.on span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); gap: 18px; }
  .about-wrap, .products-layout, .p-head { grid-template-columns: 1fr; }
  .p-detail#pd-parts .p-head { grid-template-columns: 1fr; }
  .banner { height: 460px; }
  .banner .slide::before { background: linear-gradient(90deg, rgba(255,255,255,.72) 0%, rgba(255,255,255,.42) 55%, rgba(255,255,255,.12) 100%); }
  .banner .cap { max-width: 82%; }
  .banner .cap h2 { font-size: 32px; }
  .banner .cap p { font-size: 15px; }
  .svc-steps, .contact-cards { grid-template-columns: repeat(2, 1fr); }
  .footer .f-main { grid-template-columns: 1fr 1fr; gap: 28px; }
  .about-wrap { gap: 34px; }
  .about-facility { max-width: 680px; }
  .sec-bar { margin-bottom: 26px; }
  .sec-bar .sb-left h2 { font-size: 25px; }

  /* 移动端导航面板 */
  .nav-toggle { display: flex; }
  .nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: #fff; flex-direction: column; box-shadow: 0 16px 26px rgba(0,0,0,.12); border-top: 1px solid #eef3f8; max-height: calc(100vh - 86px); overflow-y: auto; }
  .nav.open { display: flex; }
  .nav > li > a { line-height: 50px; padding: 0 22px; border-bottom: 1px solid #f2f6fb; }
  .nav > li.active > a::after { display: none; }
  .nav .dropdown { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border-top: 0; min-width: 0; background: #f7fafd; padding: 4px 0; display: none; }
  .nav li.open .dropdown { display: block; }
  .nav .dropdown a { padding: 10px 36px; border-bottom: 1px dashed #e0ecf7; }
  .nav .dropdown.cols { grid-template-columns: 1fr; min-width: 0; }

  /* 顶栏仅保留热线 */
  .topbar .tb-left { display: none; }
  .topbar .container { justify-content: flex-end; }

  /* 长参数表横向滚动 */
  .products-layout > * { min-width: 0; }
  .p-sec { overflow-x: auto; }
  .spec-table:not(.kv) { min-width: 620px; }
  .side-col, .side-col.fixed { position: static; max-height: none; overflow: visible; width: auto; }
  .f-addr { white-space: normal; }
  .side-list { position: static; }
}
@media (max-width: 640px) {
  .grid-4 { grid-template-columns: 1fr; }
  .banner { height: 380px; }
  .banner .cap { max-width: 88%; }
  .banner .cap-kicker { font-size: 11px; letter-spacing: 3px; margin-bottom: 10px; }
  .banner .cap h2 { font-size: 25px; }
  .banner .cap p { font-size: 13.5px; line-height: 1.7; margin-top: 8px; }
  .about-pics { grid-template-columns: 1fr; }
  .footer .f-main { grid-template-columns: 1fr; }
  .gallery-stage { height: 380px; }

  .logo img { height: 42px; }
  .logo .logo-text { display: none; }
  .crumb { top: 68px; }
  .about-block { scroll-margin-top: 150px; }
  .crumb .container { height: auto; flex-direction: column; align-items: flex-start; padding: 8px 0; gap: 4px; }
  .crumb-tabs { margin-left: 0; flex-wrap: wrap; gap: 6px; }
  .crumb-tabs a { padding: 4px 12px; font-size: 12.5px; }
  .header .container { height: 68px; }
  .nav { max-height: calc(100vh - 68px); }
  .contact-cards { grid-template-columns: 1fr; }
  .sec-bar { flex-direction: column; align-items: flex-start; gap: 6px; }
  .sec-bar .sb-more { padding-bottom: 0; }
  .about-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 20px; }
  .about-stats .stat b { font-size: 24px; }
  .about-pics:not(.about-pics-single) img { height: 160px; }
  .p-head .p-info { padding: 20px 18px; }
  .p-head h1 { font-size: 21px; }
  .p-sec { padding: 20px 16px; }
  .p-sec h3 { font-size: 17px; }
  .about-block { padding: 26px 18px; }
  .svc-idea { padding: 26px 20px; }
  .svc-idea h2 { font-size: 20px; }
  .svc-step { padding: 24px 16px; }
  .gallery-cap { font-size: 14px; }
  .page-banner { height: 260px; background-size: auto 100%; background-position: right center; }
  .page-banner h1 { font-size: 26px; letter-spacing: 3px; }
  .section { padding: 44px 0; }
  .more-btn .btn { padding: 9px 26px; }
  .float-bar { right: 10px; bottom: 70px; }
}

.facility-hd-signage::after { content: ""; position: absolute; left: 31%; top: 44%; width: 39%; height: 8%; border-top: 2px solid #eb7c21; border-radius: 50%; transform: rotate(1.1deg) skewX(-8deg); box-shadow: 0 3px 0 -1px #eb7c21; }
.facility-photo .facility-hd-signage { left: 17.5%; top: 70.5%; width: 24%; height: 26.5%; }
.facility-photo .facility-hd-signage strong { font-size: clamp(4px, 1.1vw, 13px); }



/* 配件、耗材供应：标题说明在上，配图在下，共用同一张白色卡片 */
.p-detail#pd-parts .p-head { display: flex; flex-direction: column; }
.p-detail#pd-parts .p-info { order: 1; padding: 30px 34px 18px; }
.p-detail#pd-parts .p-pic { order: 2; width: auto; margin: 0 34px 34px; aspect-ratio: 1581 / 830; background: #fff; }


/* ICP filing link */
.f-bottom .icp-link { display: inline; color: inherit; text-decoration: none; }
.f-bottom .icp-link:hover { color: var(--green-dark); text-decoration: underline; }