/* ============================================================
   style.css — 西安尚丝钰商贸有限公司 全站共享样式
   参考: demoall2.5fa.cn/3735 (服装厂商模板，Pintuer框架)
   配色: 香槟金 #CCAC85 + 深炭灰 #222/#1a1a1a + 白 #fff
   ============================================================ */

/* ---------- 全局重置 ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: "Microsoft YaHei", "微软雅黑", Arial, sans-serif;
  font-size: 14px;
  line-height: 1.75;
  color: #5a5a5a;
  background: #fff;
  position: relative;
  overflow-x: hidden;
}
ul, li { list-style: none; }
a { color: #666; text-decoration: none; transition: color .25s; }
a:hover { color: #CCAC85; }
a:focus { outline: none; }
img { border: 0; vertical-align: middle; max-width: 100%; }
h1, h2, h3, h4, h5, h6 { color: #333; font-weight: 400; }
p { margin: 0; }
::selection { color: #fff; background: #CCAC85; }

/* ---------- 通用容器 ---------- */
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 15px; }
.layout { width: 100%; overflow: hidden; }
.text-center { text-align: center; }
.clearfix::after { content: ""; display: table; clear: both; }

/* grid 子项可收缩 (防止 1fr 因图片 min-content 撑爆容器导致移动端溢出) */
.product-card, .news-card, .partner-item, .team-card, .culture-card,
.pd-feature, .foot-col, .news-list-item, .pd-gallery, .pd-info,
.api-img, .api-text, .contact-info-list, .contact-form,
.tc-img, .media-img, .nli-img, .nli-body, .foot-qr { min-width: 0; }

/* <a> 图片容器强制 block：确保 height + overflow:hidden 跨浏览器生效，
   防止 hover 缩放图片溢出遮住下方标题文字 */
a.media-img, a.nli-img { display: block; }

/* ---------- 淡入动画 (特异性正确: html.js 前缀统一) ---------- */
.fade-in { opacity: 1; }
html.js .fade-in { opacity: 0; transform: translateY(40px); transition: opacity .8s ease, transform .8s ease; }
html.js .fade-in.visible { opacity: 1; transform: translateY(0); }

/* 图片兜底 */
.img-fallback {
  background: linear-gradient(135deg, #CCAC85, #222);
  display: flex; align-items: center; justify-content: center;
  width: 100%; height: 100%; min-height: 200px;
  color: #fff; font-size: 14px; text-align: center; padding: 10px;
}

/* ============================================================
   顶部信息栏 + 导航 (topbox 内含 menubox)
   ============================================================ */
.topbox {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: 80px;
  background: rgba(20, 18, 16, 0.45);
  transition: background .35s, box-shadow .35s;
}
.topbox.fixed {
  background: #1a1816;
  box-shadow: 0 2px 14px rgba(0, 0, 0, 0.22);
}
.topbox .container {
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo: SVG 图标 + 品牌名 + 行业关键词 */
.logo { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.logo-svg { width: 46px; height: 46px; display: block; }
.logo-text { line-height: 1.1; }
.logo-brand {
  font-size: 22px; font-weight: bold; color: #fff; letter-spacing: 1px;
}
.logo-sub {
  font-size: 11px; color: #CCAC85; letter-spacing: 3px; margin-top: 3px;
  text-transform: uppercase;
}

/* 导航 (menubox) */
.menubox { display: flex; align-items: center; }
.nav { display: flex; align-items: center; }
.nav > li { position: relative; }
.nav > li > a {
  display: block; height: 80px; line-height: 80px;
  padding: 0 18px; color: #fff; font-size: 15px;
  position: relative;
}
.nav > li > a::after {
  content: ""; position: absolute; left: 18px; right: 18px; bottom: 22px;
  height: 2px; background: #CCAC85; transform: scaleX(0); transition: transform .25s;
}
.nav > li:hover > a::after,
.nav > li.active > a::after { transform: scaleX(1); }
.nav > li:hover > a,
.nav > li.active > a { color: #CCAC85; }

/* 下拉子菜单 */
.nav .sub {
  position: absolute; top: 80px; left: 0;
  min-width: 170px; background: #1a1816;
  opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: all .25s; z-index: 10;
}
.nav > li:hover .sub { opacity: 1; visibility: visible; transform: translateY(0); }
.nav .sub li a {
  display: block; padding: 0 20px; height: 44px; line-height: 44px;
  color: #cfcfcf; font-size: 13px; border-bottom: 1px solid #2c2823;
}
.nav .sub li:last-child a { border-bottom: 0; }
.nav .sub li a:hover { background: #CCAC85; color: #fff; }

/* 头部电话 */
.head-phone {
  display: flex; align-items: center; gap: 8px;
  margin-left: 22px; padding-left: 22px;
  border-left: 1px solid rgba(204, 172, 133, 0.35);
  color: #fff;
}
.head-phone svg { width: 22px; height: 22px; color: #CCAC85; }
.head-phone .hp-txt { line-height: 1.2; }
.head-phone .hp-label { font-size: 11px; color: #b5a48f; letter-spacing: 1px; }
.head-phone .hp-num { font-size: 18px; font-weight: bold; color: #fff; }

/* 汉堡按钮 (移动端) */
.nav-toggle {
  display: none; width: 30px; height: 24px; position: relative;
  cursor: pointer; background: none; border: 0;
}
.nav-toggle span {
  position: absolute; left: 0; display: block; width: 100%; height: 3px;
  background: #fff; border-radius: 2px; transition: all .3s;
}
.nav-toggle span:nth-child(1) { top: 0; }
.nav-toggle span:nth-child(2) { top: 10px; }
.nav-toggle span:nth-child(3) { top: 20px; }
.nav-toggle.open span:nth-child(1) { top: 10px; transform: rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { top: 10px; transform: rotate(-45deg); }

/* ============================================================
   Banner 轮播 (fade)
   ============================================================ */
.hero { position: relative; width: 100%; height: 600px; overflow: hidden; background: #1a1816; }
.hero-slides { position: relative; width: 100%; height: 100%; list-style: none; }
.hero-slide {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  opacity: 0; transition: opacity 1s ease-in-out;
}
.hero-slide.active { opacity: 1; }
.hero-slide img { width: 100%; height: 100%; object-fit: cover; display: block; }
.hero-mask {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(20,18,16,0.45) 0%, rgba(20,18,16,0.25) 50%, rgba(20,18,16,0.55) 100%);
}
.hero-text {
  position: absolute; left: 0; right: 0; top: 50%; transform: translateY(-50%);
  text-align: center; color: #fff; padding: 0 20px; z-index: 2;
}
.hero-text h2 {
  font-size: 44px; font-weight: bold; color: #fff; letter-spacing: 3px;
  text-shadow: 0 2px 12px rgba(0,0,0,0.4); margin-bottom: 16px;
}
.hero-text h2 em { color: #CCAC85; font-style: normal; }
.hero-text p {
  font-size: 17px; color: #f0ebe4; letter-spacing: 2px; margin-bottom: 26px;
}
.hero-btn {
  display: inline-block; padding: 11px 34px; border: 1px solid #CCAC85;
  color: #fff; background: rgba(204,172,133,0.15); font-size: 14px; letter-spacing: 2px;
  transition: all .3s;
}
.hero-btn:hover { background: #CCAC85; color: #fff; }
.hero-dots {
  position: absolute; bottom: 26px; left: 0; right: 0; text-align: center; z-index: 3;
}
.hero-dots li {
  display: inline-block; width: 12px; height: 12px; margin: 0 5px;
  border-radius: 50%; background: rgba(255,255,255,0.4); border: 2px solid rgba(255,255,255,0.6);
  cursor: pointer; transition: all .3s;
}
.hero-dots li.active { background: #CCAC85; border-color: #CCAC85; transform: scale(1.15); }

/* ============================================================
   通用区块标题 (fh5co-heading)
   ============================================================ */
.sec-head { position: relative; text-align: center; padding: 0 60px; margin-bottom: 40px; }
.sec-head h2 {
  font-size: 28px; font-weight: bold; color: #333; letter-spacing: 2px;
  position: relative; display: inline-block; padding: 0 0 16px;
}
.sec-head h2::after {
  content: ""; position: absolute; left: 50%; bottom: 0; transform: translateX(-50%);
  width: 50px; height: 2px; background: #CCAC85;
}
.sec-head .sec-desc {
  font-size: 14px; color: #999; line-height: 1.9; margin-top: 16px;
}
.sec-more {
  position: absolute; right: 0; bottom: 4px;
  display: inline-block; width: 50px; height: 36px; line-height: 36px;
  background: #CCAC85; color: #fff; text-align: center; font-size: 18px;
}
.sec-more:hover { background: #222; color: #fff; }

/* ============================================================
   产品展示区
   ============================================================ */
.products-sec { padding: 70px 0 60px; background: #fff; }
.product-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px;
  width: 100%;
}
.product-card { text-align: center; }
.product-card .media-img {
  width: 100%; height: 230px; overflow: hidden; position: relative; background: #f3eee8;
}
.product-card .media-img img {
  width: 100%; height: 100%; object-fit: cover; transition: transform .6s, opacity .4s;
}
.product-card:hover .media-img img { transform: scale(1.06); opacity: .88; }
.product-card h3 {
  margin-top: 14px; font-size: 16px; font-weight: normal;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.product-card h3 a { color: #444; }
.product-card h3 a:hover { color: #CCAC85; }
.product-card .pc-desc {
  font-size: 12px; color: #999; padding: 4px 8px 0; line-height: 1.7;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ============================================================
   关于我们区 (背景图)
   ============================================================ */
.about-sec {
  position: relative; padding: 80px 0 90px;
  background: url("https://images.unsplash.com/photo-1710834925630-7dee6c880b07?w=1920&h=900&fit=crop&auto=format&q=80") center/cover no-repeat fixed;
}
.about-sec::before {
  content: ""; position: absolute; inset: 0;
  background: rgba(20, 18, 16, 0.78);
}
.about-intro { position: relative; z-index: 2; text-align: center; color: #ddd; max-width: 900px; margin: 0 auto; }
.about-intro h3 { font-size: 26px; color: #fff; letter-spacing: 3px; margin-bottom: 24px; }
.about-intro h3 em { color: #CCAC85; font-style: normal; }
.about-intro .about-desc {
  font-size: 15px; color: #cfc6b8; line-height: 2.1; margin-bottom: 32px;
}
.about-stats {
  display: flex; justify-content: center; gap: 60px; margin-top: 40px; flex-wrap: wrap;
}
.about-stat .as-num {
  font-size: 40px; font-weight: bold; color: #CCAC85; line-height: 1;
}
.about-stat .as-num span { font-size: 20px; }
.about-stat .as-label { font-size: 13px; color: #b5a48f; margin-top: 8px; letter-spacing: 1px; }
.about-btn {
  display: inline-block; margin-top: 36px; padding: 11px 38px;
  border: 1px solid #CCAC85; color: #fff; font-size: 13px; letter-spacing: 2px;
  transition: all .3s;
}
.about-btn:hover { background: #CCAC85; color: #fff; }

/* ============================================================
   新闻区
   ============================================================ */
.news-sec { padding: 70px 0 70px; background: #faf8f5; }
.news-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px;
  width: 100%;
}
.news-card { background: #fff; overflow: hidden; }
.news-card .media-img { width: 100%; height: 220px; overflow: hidden; background: #f3eee8; }
.news-card .media-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.news-card:hover .media-img img { transform: scale(1.06); }
.news-content { padding: 22px 22px 26px; }
.news-content h3 {
  font-size: 16px; font-weight: bold; margin-bottom: 8px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.news-content h3 a { color: #333; }
.news-content h3 a:hover { color: #CCAC85; }
.news-time { display: block; font-size: 12px; color: #b0b0b0; margin-bottom: 10px; }
.news-desc {
  font-size: 13px; color: #888; line-height: 1.8;
  border-bottom: 1px dotted #e2e2e2; padding-bottom: 14px; margin-bottom: 14px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.news-more { font-size: 12px; color: #444; font-weight: bold; }
.news-more:hover { color: #CCAC85; }

/* ============================================================
   合作伙伴
   ============================================================ */
.partner-sec { padding: 60px 0 60px; background: #fff; }
.partner-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; width: 100%;
}
.partner-item {
  height: 90px; display: flex; align-items: center; justify-content: center;
  border: 1px solid #ececec; background: #fafafa; color: #888; font-size: 15px;
  transition: all .3s;
}
.partner-item:hover { border-color: #CCAC85; color: #CCAC85; background: #fff; }

/* ============================================================
   页脚
   ============================================================ */
.footer { background: #222; color: #7b7b7b; }
.friend-link { background: #1a1816; border-bottom: 1px solid #2a2622; }
.friend-link .container { display: flex; align-items: center; flex-wrap: wrap; height: 46px; }
.friend-link span { color: #CCAC85; font-size: 14px; margin-right: 14px; flex-shrink: 0; }
.friend-link a { color: #999; font-size: 13px; margin-right: 16px; }
.friend-link a:hover { color: #fff; }

.foot-top {
  display: grid; grid-template-columns: 5fr 3fr 4fr; gap: 40px;
  width: 100%; padding: 60px 0 40px;
}
.foot-col h2 {
  font-size: 17px; color: #CCAC85; margin-bottom: 26px; font-weight: normal;
}
.foot-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 22px; }
.foot-logo .logo-svg { width: 38px; height: 38px; }
.foot-logo .fl-brand { font-size: 18px; color: #fff; font-weight: bold; letter-spacing: 1px; }
.foot-contact p {
  font-size: 13px; color: #8a8a8a; line-height: 2.1;
  display: flex; align-items: flex-start; gap: 10px;
}
.foot-contact p svg { width: 16px; height: 16px; color: #CCAC85; flex-shrink: 0; margin-top: 6px; }
.foot-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 16px; }
.foot-nav a { color: #999; font-size: 13px; line-height: 2; }
.foot-nav a:hover { color: #CCAC85; padding-left: 4px; }
.foot-qr { display: flex; align-items: center; gap: 16px; }
.foot-qr img { width: 97px; height: 97px; background: #fff; padding: 5px; }
.foot-qr-txt .fqt-desc { font-size: 13px; color: #cfc6b8; margin-bottom: 6px; }
.foot-qr-txt .fqt-sub { font-size: 12px; color: #777; line-height: 1.7; }

.foot-copy {
  border-top: 1px dashed #363636; padding: 22px 0 28px; text-align: center;
}
.foot-copy .copy { font-size: 13px; color: #7b7b7b; line-height: 1.9; }
.foot-copy .copy a { color: #7b7b7b; }
.foot-copy .copy a:hover { color: #CCAC85; }

/* ============================================================
   移动端底部工具栏
   ============================================================ */
.m-toolbar { display: none; }
.back-top {
  display: none; position: fixed; right: 18px; bottom: 80px; z-index: 90;
  width: 44px; height: 44px; line-height: 44px; text-align: center;
  background: #CCAC85; color: #fff; font-size: 22px; cursor: pointer;
  border-radius: 4px; box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}
.back-top:hover { background: #222; }

/* ============================================================
   内页 Banner + 面包屑
   ============================================================ */
.n-banner {
  position: relative; width: 100%; height: 300px; margin-top: 0;
  background: center/cover no-repeat #1a1816;
}
.n-banner::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(20,18,16,0.5) 0%, rgba(20,18,16,0.65) 100%);
}
.n-banner .nb-inner {
  position: relative; z-index: 2; height: 100%;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
}
.n-banner .nb-en {
  font-size: 30px; color: rgba(204,172,133,0.5); letter-spacing: 8px;
  text-transform: uppercase; font-family: Arial; margin-bottom: 6px;
}
.n-banner .nb-title {
  font-size: 30px; color: #fff; font-weight: bold; letter-spacing: 4px;
}

.ntit { background: #f6f3ee; border-bottom: 1px solid #ebe5da; }
.ntit .container {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.ntit .ntt { display: flex; align-items: baseline; gap: 12px; }
.ntit .ntt h1 {
  font-size: 20px; color: #333; font-weight: bold; letter-spacing: 1px;
}
.ntit .ntt i { font-style: normal; font-size: 12px; color: #b8a48f; letter-spacing: 2px; text-transform: uppercase; }
.ntit .weiz { font-size: 13px; color: #999; }
.ntit .weiz a { color: #999; }
.ntit .weiz a:hover { color: #CCAC85; }
.ntit .weiz .sep { margin: 0 6px; color: #ccc; }
.ntit .weiz .cur { color: #CCAC85; }

/* ============================================================
   内页主体
   ============================================================ */
.main-body { padding: 50px 0 70px; }
.main-body .container { max-width: 1200px; }

/* 产品列表页 */
.prod-list-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; width: 100%;
}

/* 产品详情 */
.pd-top { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-bottom: 40px; width: 100%; }
.pd-gallery { width: 100%; }
.pd-gallery .pd-main-img {
  width: 100%; height: 420px; overflow: hidden; background: #f3eee8;
}
.pd-gallery .pd-main-img img { width: 100%; height: 100%; object-fit: cover; }
.pd-info h1 {
  font-size: 24px; color: #333; font-weight: bold; margin-bottom: 14px; line-height: 1.4;
}
.pd-info .pd-sub { font-size: 14px; color: #888; line-height: 1.9; margin-bottom: 18px; padding-bottom: 18px; border-bottom: 1px solid #eee; }
.pd-params { width: 100%; border-collapse: collapse; margin-bottom: 22px; }
.pd-params th, .pd-params td {
  border: 1px solid #ececec; padding: 10px 14px; font-size: 13px; text-align: left;
}
.pd-params th { background: #faf8f5; color: #666; width: 130px; font-weight: normal; }
.pd-params td { color: #444; }
.pd-btn {
  display: inline-block; padding: 11px 36px; background: #CCAC85; color: #fff;
  font-size: 14px; letter-spacing: 1px; transition: all .3s;
}
.pd-btn:hover { background: #222; color: #fff; }

.pd-block { margin-top: 44px; }
.pd-block .pb-title {
  font-size: 18px; color: #333; font-weight: bold; margin-bottom: 20px;
  padding-left: 12px; border-left: 4px solid #CCAC85; line-height: 1.2;
}
.pd-desc p { font-size: 14px; color: #666; line-height: 2; margin-bottom: 14px; text-indent: 2em; }
.pd-desc img { display: block; max-width: 100%; margin: 16px auto; border-radius: 4px; }

.pd-features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; width: 100%; }
.pd-feature {
  padding: 22px 18px; background: #faf8f5; border: 1px solid #efe8db;
  transition: all .3s;
}
.pd-feature:hover { border-color: #CCAC85; transform: translateY(-3px); }
.pd-feature .pf-ic {
  width: 40px; height: 40px; line-height: 40px; text-align: center; margin-bottom: 12px;
  background: #CCAC85; color: #fff; border-radius: 50%; font-size: 18px;
}
.pd-feature .pf-ic svg { width: 22px; height: 22px; color: #fff; vertical-align: middle; }
.pd-feature h4 { font-size: 15px; color: #333; margin-bottom: 8px; }
.pd-feature p { font-size: 13px; color: #888; line-height: 1.7; }

.rel-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; width: 100%; }

/* 新闻列表 */
.news-list { width: 100%; }
.news-list-item {
  display: grid; grid-template-columns: 240px 1fr; gap: 26px;
  padding: 26px 0; border-bottom: 1px dashed #e5e5e5; width: 100%;
}
.news-list-item:first-child { padding-top: 0; }
.news-list-item .nli-img { width: 240px; height: 160px; overflow: hidden; background: #f3eee8; }
.news-list-item .nli-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.news-list-item:hover .nli-img img { transform: scale(1.05); }
.news-list-item .nli-body h3 { font-size: 17px; margin-bottom: 10px; }
.news-list-item .nli-body h3 a { color: #333; }
.news-list-item .nli-body h3 a:hover { color: #CCAC85; }
.news-list-item .nli-time { font-size: 12px; color: #b0b0b0; margin-bottom: 10px; }
.news-list-item .nli-desc { font-size: 13px; color: #888; line-height: 1.9; }

/* 新闻详情 */
.news-article { padding: 10px 0 0; }
.news-article .na-head { text-align: center; padding-bottom: 24px; border-bottom: 1px solid #eee; margin-bottom: 30px; }
.news-article .na-head h1 { font-size: 24px; color: #333; font-weight: bold; margin-bottom: 14px; line-height: 1.5; }
.news-article .na-meta { font-size: 13px; color: #999; }
.news-article .na-meta span { margin: 0 10px; }
.news-body p { font-size: 14px; color: #555; line-height: 2.1; margin-bottom: 18px; text-indent: 2em; }
.news-body img { display: block; max-width: 100%; margin: 20px auto; border-radius: 4px; }
.news-nav {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px;
  margin-top: 40px; padding-top: 24px; border-top: 1px solid #eee;
}
.news-nav a { font-size: 13px; color: #666; max-width: 48%; }
.news-nav a:hover { color: #CCAC85; }

/* 分页 */
.pager { text-align: center; padding: 36px 0 10px; }
.pager a, .pager span {
  display: inline-block; min-width: 36px; height: 36px; line-height: 36px;
  padding: 0 12px; margin: 0 3px; font-size: 13px; color: #666;
  background: #f5f3ef; border-radius: 3px;
}
.pager a:hover { background: #CCAC85; color: #fff; }
.pager .current { background: #CCAC85; color: #fff; }

/* ============================================================
   关于我们页
   ============================================================ */
.about-page .ap-intro {
  display: grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items: center;
  margin-bottom: 60px; width: 100%;
}
.about-page .ap-intro .api-img { width: 100%; height: 360px; overflow: hidden; }
.about-page .ap-intro .api-img img { width: 100%; height: 100%; object-fit: cover; }
.about-page .ap-intro .api-text h3 { font-size: 22px; color: #333; margin-bottom: 18px; font-weight: bold; }
.about-page .ap-intro .api-text p { font-size: 14px; color: #666; line-height: 2; margin-bottom: 14px; text-indent: 2em; }

/* 发展历程时间轴 */
.timeline { position: relative; padding: 20px 0 10px; margin-bottom: 50px; }
.timeline::before {
  content: ""; position: absolute; left: 50%; top: 0; bottom: 0; width: 2px;
  background: #CCAC85; transform: translateX(-1px);
}
.tl-item { position: relative; width: 50%; padding: 0 40px 36px 0; }
.tl-item:nth-child(even) { margin-left: 50%; padding: 0 0 36px 40px; }
.tl-item::before {
  content: ""; position: absolute; top: 6px; right: -7px; width: 14px; height: 14px;
  background: #CCAC85; border: 3px solid #fff; border-radius: 50%; box-shadow: 0 0 0 2px #CCAC85;
}
.tl-item:nth-child(even)::before { left: -7px; right: auto; }
.tl-year { font-size: 22px; color: #CCAC85; font-weight: bold; margin-bottom: 6px; }
.tl-text { font-size: 14px; color: #666; line-height: 1.8; }

/* 企业文化 */
.culture-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; width: 100%; margin-bottom: 50px; }
.culture-card {
  text-align: center; padding: 40px 26px; background: #faf8f5; border: 1px solid #efe8db;
  transition: all .3s;
}
.culture-card:hover { transform: translateY(-4px); box-shadow: 0 8px 24px rgba(204,172,133,0.18); border-color: #CCAC85; }
.culture-card .cc-ic { width: 56px; height: 56px; line-height: 56px; margin: 0 auto 18px; background: #CCAC85; color: #fff; border-radius: 50%; font-size: 26px; }
.culture-card .cc-ic svg { width: 30px; height: 30px; color: #fff; vertical-align: middle; }
.culture-card h4 { font-size: 18px; color: #333; margin-bottom: 12px; }
.culture-card p { font-size: 13px; color: #888; line-height: 1.8; }

/* 团队 */
.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; width: 100%; }
.team-card { text-align: center; }
.team-card .tc-img {
  width: 100%; height: 260px; overflow: hidden; background: #f3eee8; border-radius: 4px;
}
.team-card .tc-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.team-card:hover .tc-img img { transform: scale(1.05); }
.team-card h4 { font-size: 17px; color: #333; margin-top: 16px; }
.team-card .tc-pos { font-size: 13px; color: #CCAC85; margin-top: 4px; }

/* ============================================================
   联系我们页
   ============================================================ */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; width: 100%; margin-bottom: 50px; }
.contact-info-list .cil-item {
  display: flex; gap: 18px; padding: 22px 0; border-bottom: 1px dashed #ece5da;
}
.contact-info-list .cil-item .cil-ic {
  width: 50px; height: 50px; flex-shrink: 0; line-height: 50px; text-align: center;
  background: #CCAC85; color: #fff; border-radius: 50%;
}
.contact-info-list .cil-item .cil-ic svg { width: 24px; height: 24px; color: #fff; vertical-align: middle; }
.contact-info-list .cil-item h4 { font-size: 16px; color: #333; margin-bottom: 4px; }
.contact-info-list .cil-item p { font-size: 14px; color: #777; line-height: 1.7; }

.contact-form { background: #faf8f5; padding: 34px 30px; border: 1px solid #efe8db; }
.contact-form h3 { font-size: 18px; color: #333; margin-bottom: 22px; padding-left: 12px; border-left: 4px solid #CCAC85; line-height: 1.2; }
.form-group { margin-bottom: 18px; }
.form-label { display: block; font-size: 13px; color: #666; margin-bottom: 6px; }
.form-input, .form-textarea {
  width: 100%; padding: 10px 14px; font-size: 14px; color: #444;
  border: 1px solid #ddd; background: #fff; font-family: inherit; transition: border-color .25s;
}
.form-input:focus, .form-textarea:focus { border-color: #CCAC85; outline: none; }
.form-textarea { min-height: 110px; resize: vertical; }
.form-btn {
  display: inline-block; padding: 11px 40px; background: #CCAC85; color: #fff;
  border: 0; font-size: 14px; cursor: pointer; letter-spacing: 2px; font-family: inherit; transition: background .3s;
}
.form-btn:hover { background: #222; }

/* CSS 模拟地图 (不嵌入iframe，不冒充二维码) */
.contact-map {
  position: relative; width: 100%; height: 360px; margin-top: 10px;
  background: #e8e4dd; border: 1px solid #d8d2c6; overflow: hidden;
  background-image:
    linear-gradient(rgba(204,172,133,0.18) 1px, transparent 1px),
    linear-gradient(90deg, rgba(204,172,133,0.18) 1px, transparent 1px);
  background-size: 40px 40px;
}
.contact-map .road-h { position: absolute; left: 0; right: 0; height: 14px; background: #f3efe7; border-top: 1px solid #cfc6b8; border-bottom: 1px solid #cfc6b8; }
.contact-map .road-h.r1 { top: 38%; }
.contact-map .road-v { position: absolute; top: 0; bottom: 0; width: 14px; background: #f3efe7; border-left: 1px solid #cfc6b8; border-right: 1px solid #cfc6b8; }
.contact-map .road-v.v1 { left: 44%; }
.contact-map .block { position: absolute; background: #ddd6c9; }
.contact-map .b1 { left: 4%; top: 6%; width: 36%; height: 26%; }
.contact-map .b2 { right: 4%; top: 6%; width: 30%; height: 26%; }
.contact-map .b3 { left: 4%; bottom: 6%; width: 30%; height: 24%; }
.contact-map .b4 { right: 4%; bottom: 6%; width: 40%; height: 24%; }
.contact-map .pin {
  position: absolute; left: 44%; top: 38%; transform: translate(-50%, -100%);
  width: 28px; height: 28px;
}
.contact-map .pin-dot {
  position: absolute; left: 44%; top: 38%; transform: translate(-50%, -50%);
  width: 14px; height: 14px; background: #CCAC85; border: 3px solid #fff; border-radius: 50%;
  box-shadow: 0 0 0 8px rgba(204,172,133,0.25);
  animation: pinPulse 2s infinite;
}
@keyframes pinPulse {
  0% { box-shadow: 0 0 0 0 rgba(204,172,133,0.5); }
  100% { box-shadow: 0 0 0 16px rgba(204,172,133,0); }
}
.contact-map .pin svg { width: 28px; height: 28px; color: #CCAC85; filter: drop-shadow(0 2px 3px rgba(0,0,0,0.3)); }
.contact-map .addr-bubble {
  position: absolute; left: 46%; top: 30%; transform: translateX(8px);
  background: #1a1816; color: #fff; padding: 10px 16px; font-size: 13px; border-radius: 4px;
  white-space: nowrap; box-shadow: 0 4px 14px rgba(0,0,0,0.25);
}
.contact-map .addr-bubble::after {
  content: ""; position: absolute; left: -6px; top: 50%; transform: translateY(-50%);
  border: 6px solid transparent; border-right-color: #1a1816;
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1024px) {
  .hero { height: 460px; }
  .hero-text h2 { font-size: 32px; }
  .hero-text p { font-size: 15px; }
  .product-grid { grid-template-columns: repeat(3, 1fr); }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .partner-grid { grid-template-columns: repeat(3, 1fr); }
  .team-grid { grid-template-columns: repeat(3, 1fr); }
  .pd-features { grid-template-columns: repeat(2, 1fr); }
  .prod-list-grid { grid-template-columns: repeat(3, 1fr); }
  .foot-top { grid-template-columns: 1fr 1fr; gap: 30px; }
  .foot-col.foot-col3 { grid-column: 1 / -1; }
  .about-sec { background-attachment: scroll; }
}

@media (max-width: 768px) {
  .topbox { height: 60px; background: #1a1816; }
  .topbox .container { height: 60px; }
  .logo-svg { width: 38px; height: 38px; }
  .logo-brand { font-size: 18px; }
  .logo-sub { font-size: 10px; letter-spacing: 2px; }
  .head-phone { display: none; }

  /* 移动端导航: 抽屉式下拉 */
  .nav-toggle { display: block; }
  .menubox {
    position: fixed; top: 60px; left: 0; right: 0;
    background: #1a1816; max-height: 0; overflow: hidden;
    transition: max-height .35s ease; flex-direction: column; align-items: stretch;
  }
  .menubox.open { max-height: 560px; }
  .nav { flex-direction: column; width: 100%; }
  .nav > li { width: 100%; border-bottom: 1px solid #2c2823; }
  .nav > li > a { height: 48px; line-height: 48px; padding: 0 20px; font-size: 15px; }
  .nav > li > a::after { display: none; }
  .nav .sub { position: static; opacity: 1; visibility: visible; transform: none; min-width: 0; background: #14110e; }
  .nav .sub li a { height: 40px; line-height: 40px; padding-left: 38px; border-bottom: 0; }

  .hero { height: 320px; }
  .hero-text h2 { font-size: 22px; letter-spacing: 1px; }
  .hero-text p { font-size: 13px; margin-bottom: 16px; }
  .hero-btn { padding: 8px 22px; font-size: 12px; }

  .sec-head { padding: 0 10px; margin-bottom: 26px; }
  .sec-head h2 { font-size: 22px; }
  .sec-more { display: none; }

  .products-sec, .news-sec, .partner-sec { padding: 40px 0; }
  .about-sec { padding: 50px 0; }
  .product-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .product-card .media-img { height: 160px; }
  .news-grid { grid-template-columns: 1fr; gap: 20px; }
  .news-card .media-img { height: 200px; }
  .partner-grid { grid-template-columns: repeat(2, 1fr); }
  .about-stats { gap: 30px; }
  .about-stat .as-num { font-size: 30px; }

  .foot-top { grid-template-columns: 1fr; gap: 30px; padding: 40px 0 24px; }
  .friend-link { display: none; }

  .n-banner { height: 180px; }
  .n-banner .nb-title { font-size: 22px; }
  .n-banner .nb-en { font-size: 20px; }
  .ntit .container { height: 54px; }
  .ntit .ntt h1 { font-size: 16px; }
  .ntit .weiz { font-size: 12px; }

  .main-body { padding: 30px 0 50px; }
  .pd-top { grid-template-columns: 1fr; gap: 24px; }
  .pd-gallery .pd-main-img { height: 280px; }
  .pd-features { grid-template-columns: 1fr; }
  .prod-list-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .rel-grid { grid-template-columns: repeat(2, 1fr); }
  .news-list-item { grid-template-columns: 1fr; gap: 14px; }
  .news-list-item .nli-img { width: 100%; height: 200px; }

  .about-page .ap-intro { grid-template-columns: 1fr; gap: 24px; }
  .about-page .ap-intro .api-img { height: 240px; }
  .timeline::before { left: 8px; }
  .tl-item { width: 100%; padding: 0 0 30px 32px; }
  .tl-item:nth-child(even) { margin-left: 0; padding: 0 0 30px 32px; }
  .tl-item::before { left: 1px; right: auto; }
  .culture-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: repeat(2, 1fr); gap: 18px; }
  .team-card .tc-img { height: 200px; }

  .contact-grid { grid-template-columns: 1fr; gap: 30px; }
  .contact-map { height: 280px; }

  /* 移动底部工具栏 */
  .m-toolbar {
    display: flex; position: fixed; bottom: 0; left: 0; right: 0; z-index: 95;
    height: 54px; background: #1a1816;
  }
  .m-toolbar a {
    flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center;
    color: #CCAC85; font-size: 11px; border-right: 1px solid #2c2823;
  }
  .m-toolbar a:last-child { border-right: 0; }
  .m-toolbar a svg { width: 20px; height: 20px; margin-bottom: 2px; }
  .back-top { bottom: 70px; right: 12px; width: 40px; height: 40px; }
  body { padding-bottom: 54px; }
}

@media (max-width: 480px) {
  .hero-text h2 { font-size: 18px; }
  .product-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .prod-list-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .team-grid { grid-template-columns: 1fr 1fr; }
  .sec-head h2 { font-size: 20px; }
  .pd-info h1 { font-size: 20px; }
  .news-article .na-head h1 { font-size: 19px; }
}