/* ============================================================
   鸿松压铸官网 - 前台样式
   工业风：白/浅灰 + 品牌红 #E4312B + 松绿 #00A651
   ============================================================ */
:root {
  --red: #E4312B;
  --red-dark: #B71C1C;
  --green: #00A651;
  --ink: #22262E;
  --gray-600: #5B6472;
  --gray-400: #9AA3B2;
  --gray-200: #E7EAF0;
  --gray-100: #F5F6F9;
  --white: #fff;
  --shadow: 0 4px 18px rgba(30, 35, 45, .08);
  --shadow-lg: 0 14px 44px rgba(30, 35, 45, .16);
  --radius: 14px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: "Microsoft YaHei", "PingFang SC", "Segoe UI", system-ui, sans-serif;
  color: var(--ink);
  background: var(--gray-100);
  font-size: 14.5px;
  line-height: 1.7;
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
img { max-width: 100%; display: block; }
.hide { display: none !important; }

/* ===== 顶部公告条 ===== */
.ann-bar {
  background: linear-gradient(90deg, var(--red), #FF6A3D);
  color: #fff;
  font-size: 12.5px;
  padding: 7px 16px;
  text-align: center;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.ann-bar b { margin-right: 6px; }

/* ===== 导航 ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: var(--white);
  box-shadow: 0 1px 0 var(--gray-200);
}
.nav-wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  gap: 18px;
  height: 66px;
}
.logo { display: flex; align-items: center; gap: 10px; flex: none; }
.logo img { height: 42px; border-radius: 6px; }
.logo .lt b { font-size: 16px; display: block; line-height: 1.25; color: var(--red-dark); }
.logo .lt span { font-size: 11px; color: var(--gray-600); }
.nav-links { display: flex; gap: 4px; margin-left: 12px; }
.nav-link {
  padding: 8px 14px;
  border-radius: 9px;
  color: var(--gray-600);
  font-size: 14.5px;
  font-weight: 600;
  transition: all .15s;
}
.nav-link:hover { color: var(--red); background: #FDEEEC; }
.nav-link.active { color: var(--red); background: #FDEEEC; font-weight: 800; }
.nav-right { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.lang-btn {
  padding: 6px 12px;
  border: 1.5px solid var(--gray-200);
  border-radius: 8px;
  background: #fff;
  color: var(--gray-600);
  font-size: 13px;
  font-weight: 700;
}
.lang-btn:hover { border-color: var(--red); color: var(--red); }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  border: none;
  border-radius: 9px;
  font-size: 14px;
  font-weight: 700;
  transition: all .15s;
}
.btn:hover { filter: brightness(1.06); transform: translateY(-1px); }
.btn-red { background: var(--red); color: #fff; }
.btn-green { background: var(--green); color: #fff; }
.btn-ghost { background: var(--gray-100); color: var(--gray-600); }
.btn-ghost:hover { color: var(--red); }
.btn-line { background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,.7); }
.btn-line:hover { background: rgba(255,255,255,.15); }
.btn-sm { padding: 6px 13px; font-size: 13px; border-radius: 8px; }

/* ===== 首页 hero ===== */
.hero {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: center;
  background: #22303F;
  overflow: hidden;
  color: #fff;
}
.hero img.bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .55;
}
.hero .h-in {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  padding: 60px 20px;
  width: 100%;
}
.hero h1 {
  font-size: 44px;
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: 1px;
  text-shadow: 0 2px 18px rgba(0,0,0,.4);
}
.hero p {
  margin-top: 14px;
  font-size: 17px;
  opacity: .95;
  max-width: 640px;
}
.hero .h-btns { display: flex; gap: 14px; margin-top: 30px; }
.hero .hero-points { display: flex; gap: 26px; margin-top: 36px; flex-wrap: wrap; }
.hero .hero-points span { font-size: 13px; opacity: .9; display: flex; align-items: center; gap: 6px; }
.hero .hero-points svg { width: 16px; height: 16px; color: #FFD166; }

/* ===== 通用区块 ===== */
.section { max-width: 1200px; margin: 0 auto; padding: 52px 20px; }
.sec-head { text-align: center; margin-bottom: 34px; }
.sec-head .en { font-size: 12px; letter-spacing: 3px; color: var(--gray-400); text-transform: uppercase; }
.sec-head h2 { font-size: 30px; font-weight: 900; margin-top: 4px; }
.sec-head .ln { width: 52px; height: 4px; background: linear-gradient(90deg, var(--red), var(--orange, #FF7A00)); border-radius: 4px; margin: 12px auto 0; }
.sec-head p { color: var(--gray-600); margin-top: 10px; }

/* 核心优势 */
.adv-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.adv-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 26px 22px;
  text-align: center;
  transition: all .2s;
}
.adv-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.adv-card .ic {
  width: 56px; height: 56px;
  margin: 0 auto 14px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  color: #fff;
}
.adv-card .ic svg { width: 28px; height: 28px; }
.adv-card h3 { font-size: 17px; }
.adv-card p { font-size: 13px; color: var(--gray-600); margin-top: 6px; }
.ic1 { background: linear-gradient(135deg, #FF6B5E, var(--red)); }
.ic2 { background: linear-gradient(135deg, #3DDC84, var(--green)); }
.ic3 { background: linear-gradient(135deg, #FFB347, #F57C00); }
.ic4 { background: linear-gradient(135deg, #4FC3F7, #0288D1); }

/* 产品 */
.prod-head { display: flex; align-items: center; gap: 10px; margin-bottom: 22px; flex-wrap: wrap; }
.prod-cats { display: flex; gap: 8px; flex-wrap: wrap; }
.pcat {
  padding: 7px 16px;
  border-radius: 20px;
  border: 1.5px solid var(--gray-200);
  background: #fff;
  color: var(--gray-600);
  font-size: 13.5px;
  font-weight: 600;
}
.pcat:hover { border-color: var(--red); color: var(--red); }
.pcat.active { background: var(--red); border-color: var(--red); color: #fff; }
.prod-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.prod-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all .2s;
  cursor: pointer;
  display: block;
}
.prod-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.prod-card .pc-img { aspect-ratio: 4 / 3; overflow: hidden; background: #EEF1F5; }
.prod-card .pc-img img { width: 100%; height: 100%; object-fit: contain; transition: transform .35s; }
.prod-card:hover .pc-img img { transform: scale(1.06); }
.prod-card .pc-body { padding: 14px 16px 16px; }
.prod-card h3 { font-size: 15.5px; font-weight: 800; }
.prod-card .pc-cat { font-size: 12px; color: var(--red); font-weight: 700; margin-top: 3px; }
.prod-card .pc-desc {
  font-size: 12.5px;
  color: var(--gray-600);
  margin-top: 6px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 38px;
}
.prod-card .pc-foot { display: flex; align-items: center; justify-content: space-between; margin-top: 10px; }
.prod-card .pc-foot span { font-size: 12px; color: var(--gray-400); }

/* 文章 */
.art-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.art-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  cursor: pointer;
  transition: all .2s;
}
.art-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.art-card .date { font-size: 12px; color: var(--gray-400); }
.art-card h3 { font-size: 15.5px; margin-top: 6px; font-weight: 800; }
.art-card p { font-size: 13px; color: var(--gray-600); margin-top: 8px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }

/* 页脚 */
.footer { background: #1C2531; color: #C7CED9; margin-top: 20px; }
.footer .f-in { max-width: 1200px; margin: 0 auto; padding: 44px 20px 20px; display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 30px; }
.footer h4 { color: #fff; font-size: 15px; margin-bottom: 12px; }
.footer p { font-size: 13px; line-height: 2; }
.footer .copy { text-align: center; padding: 16px 0; border-top: 1px solid rgba(255,255,255,.08); font-size: 12px; color: #8B94A3; }

/* ===== 列表页通用 ===== */
.page-hero {
  background: linear-gradient(120deg, #1F2A38 0%, #34455C 100%);
  color: #fff;
  padding: 44px 20px;
  text-align: center;
}
.page-hero h1 { font-size: 30px; font-weight: 900; }
.page-hero p { opacity: .85; margin-top: 8px; }
.page-body { max-width: 1200px; margin: 0 auto; padding: 40px 20px 60px; }

.toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 22px; }
.toolbar input {
  padding: 9px 14px;
  border: 1.5px solid var(--gray-200);
  border-radius: 10px;
  outline: none;
  width: 260px;
  background: #fff;
}
.toolbar input:focus { border-color: var(--red); }

/* 产品详情 */
.detail-layout { display: grid; grid-template-columns: 1fr 1.15fr; gap: 30px; align-items: start; }
.detail-img { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.detail-info h1 { font-size: 26px; font-weight: 900; }
.detail-info .cat { display: inline-block; margin: 8px 0 12px; }
.detail-info .desc { color: var(--gray-600); margin-bottom: 18px; }
.detail-info .acts { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 22px; }
.detail-info .stat { display: flex; gap: 26px; color: var(--gray-600); font-size: 13px; border-top: 1px solid var(--gray-200); padding-top: 16px; }
.detail-info .stat b { color: var(--ink); font-size: 18px; display: block; }

.files-head { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin: 8px 0 16px; }
.file-type {
  padding: 5px 12px;
  border-radius: 16px;
  border: 1.5px solid var(--gray-200);
  background: #fff;
  color: var(--gray-600);
  font-size: 12.5px;
  font-weight: 600;
}
.file-type.active { background: var(--green); border-color: var(--green); color: #fff; }
.file-item {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--white);
  border-radius: 12px;
  box-shadow: var(--shadow);
  padding: 13px 16px;
  margin-bottom: 10px;
}
.file-item .fi-ic {
  width: 42px; height: 42px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  flex: none;
}
.file-item .fi-ic svg { width: 20px; height: 20px; }
.file-item .fi-info { flex: 1; min-width: 0; }
.file-item .fi-info b { font-size: 14px; display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.file-item .fi-info span { font-size: 12px; color: var(--gray-400); }
.file-item .fi-acts { display: flex; gap: 8px; }

/* 时间轴（发展史） */
.timeline { position: relative; padding-left: 26px; }
.timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 6px;
  bottom: 6px;
  width: 3px;
  background: linear-gradient(180deg, var(--red), var(--orange, #FF7A00));
  border-radius: 3px;
}
.tl-item { position: relative; padding: 0 0 26px 18px; }
.tl-item::before {
  content: "";
  position: absolute;
  left: -25px;
  top: 7px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--red);
  border: 3px solid #fff;
  box-shadow: 0 0 0 2px var(--red);
}
.tl-item .tl-date { font-size: 13px; color: var(--red); font-weight: 800; }
.tl-item h3 { font-size: 16px; margin: 2px 0 4px; }
.tl-item p { font-size: 13.5px; color: var(--gray-600); }

/* 业务员 */
.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.team-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
  text-align: center;
}
.team-card .tc-ava {
  width: 64px; height: 64px;
  margin: 0 auto 12px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--red), var(--orange, #FF7A00));
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 24px; font-weight: 900;
}
.team-card h3 { font-size: 16px; }
.team-card .role { font-size: 12.5px; color: var(--green); font-weight: 700; margin-top: 2px; }
.team-card p { font-size: 12.5px; color: var(--gray-600); margin-top: 8px; text-align: left; }
.leader-card {
  display: flex;
  gap: 18px;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
  align-items: flex-start;
}
.leader-card .tc-ava { width: 72px; height: 72px; border-radius: 50%; flex: none; }

/* 报价 */
.quote-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.quote-item {
  background: var(--white);
  border-radius: 12px;
  box-shadow: var(--shadow);
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.quote-item .qi-ic {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, #FFB347, #F57C00);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  flex: none;
}
.quote-item .qi-info { flex: 1; min-width: 0; padding-right: 8px; }
.quote-item .qi-info b { font-size: 13.5px; display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.quote-item .qi-info span { font-size: 12px; color: var(--gray-400); }

/* 文章详情 */
.article-page { max-width: 820px; margin: 0 auto; padding: 40px 20px 60px; }
.article-page h1 { font-size: 28px; font-weight: 900; }
.article-page .meta { color: var(--gray-400); font-size: 13px; margin: 12px 0 24px; }
.article-page .content { font-size: 15.5px; line-height: 2; white-space: pre-wrap; background: var(--white); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow); }

/* 询价表单 */
.inq-form label { display: block; font-size: 13px; color: var(--gray-600); margin: 12px 0 5px; font-weight: 600; }
.inq-form input, .inq-form select, .inq-form textarea {
  width: 100%;
  padding: 10px 13px;
  border: 1.5px solid var(--gray-200);
  border-radius: 9px;
  outline: none;
  font-size: 14px;
}
.inq-form input:focus, .inq-form textarea:focus, .inq-form select:focus { border-color: var(--red); }
.inq-form textarea { min-height: 90px; resize: vertical; }

/* 弹窗 */
.modal-mask {
  position: fixed;
  inset: 0;
  background: rgba(15, 18, 26, .55);
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal-mask.show { display: flex; }
.modal {
  background: #fff;
  border-radius: 16px;
  width: 100%;
  max-width: 520px;
  max-height: 88vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  padding: 24px;
  animation: rise .25s ease both;
}
.modal .m-title { font-size: 17px; font-weight: 900; margin-bottom: 14px; }
.modal .m-close { float: right; border: none; background: none; font-size: 20px; color: var(--gray-400); line-height: 1; }
.modal .m-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 18px; }
@keyframes rise { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }

/* 扫码分享 */
.qr-box { text-align: center; padding: 10px 0 4px; }
.qr-box img { width: 210px; height: 210px; margin: 0 auto; border-radius: 10px; border: 1px solid var(--gray-200); padding: 6px; }
.qr-urlbar {
  display: flex; align-items: center; justify-content: center; gap: 7px;
  margin: 16px auto 14px;
  padding: 10px 14px;
  background: var(--gray-100);
  border-radius: 10px;
  color: var(--gray-600);
  font-size: 13px;
}
.qr-urlbar svg { flex: none; color: var(--gray-400); }
.qr-urlbar span { word-break: break-all; }
.qr-actions { display: flex; gap: 10px; margin-top: 4px; }
.qr-actions button {
  flex: 1;
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 11px 10px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: all .15s;
}
.qr-copy { background: #fff; border: 1.5px solid var(--gray-200); color: var(--ink); }
.qr-copy:hover { border-color: var(--gray-400); }
.qr-download { background: #2563EB; border: 1.5px solid #2563EB; color: #fff; }
.qr-download:hover { background: #1D4ED8; }
.qr-download[disabled] { opacity: .5; cursor: not-allowed; }

/* 在线客服 */
.kf-btn {
  position: fixed;
  right: 22px;
  bottom: 26px;
  z-index: 80;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  border: none;
  background: linear-gradient(135deg, var(--red), #FF6A3D);
  color: #fff;
  box-shadow: 0 8px 24px rgba(228, 49, 43, .4);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform .2s;
}
.kf-btn:hover { transform: scale(1.08); }
.kf-btn svg { width: 26px; height: 26px; }
.kf-panel {
  position: fixed;
  right: 22px;
  bottom: 92px;
  z-index: 80;
  width: 300px;
  background: #fff;
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  display: none;
}
.kf-panel.show { display: block; animation: rise .2s ease both; }
.kf-head { background: linear-gradient(120deg, var(--red), #FF6A3D); color: #fff; padding: 14px 16px; font-weight: 800; }
.kf-body { padding: 14px 16px; }
.kf-line { display: flex; align-items: center; gap: 10px; padding: 9px 0; border-bottom: 1px dashed var(--gray-200); font-size: 13.5px; }
.kf-line:last-child { border-bottom: none; }
.kf-line .kl-ic { width: 32px; height: 32px; border-radius: 9px; background: var(--gray-100); display: flex; align-items: center; justify-content: center; color: var(--red); flex: none; }
.kf-line a { color: var(--ink); font-weight: 700; }
.kf-line span { color: var(--gray-600); }

/* 空状态 / 加载 */
.empty { text-align: center; color: var(--gray-400); padding: 50px 0; }
.loading { text-align: center; color: var(--gray-400); padding: 44px 0; }
.spinner {
  width: 28px; height: 28px;
  border: 3px solid var(--gray-200);
  border-top-color: var(--red);
  border-radius: 50%;
  animation: spin .8s linear infinite;
  margin: 0 auto 10px;
}
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes hs-marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

.toast {
  position: fixed;
  top: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(-12px);
  background: #22262E;
  color: #fff;
  padding: 11px 22px;
  border-radius: 10px;
  font-size: 13.5px;
  z-index: 200;
  opacity: 0;
  transition: all .25s;
  pointer-events: none;
  box-shadow: 0 8px 24px rgba(0,0,0,.25);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.ok { background: var(--green); }
.toast.err { background: var(--red); }

/* 标签 */
.tag { display: inline-block; padding: 3px 12px; border-radius: 20px; font-size: 12px; font-weight: 700; }
.tag-red { background: #FDEEEC; color: var(--red); }
.tag-green { background: #E4F7EC; color: var(--green); }
.tag-gray { background: var(--gray-200); color: var(--gray-600); }

/* ===== 响应式 ===== */
@media (max-width: 1080px) {
  .adv-grid, .prod-grid { grid-template-columns: repeat(3, 1fr); }
  .team-grid { grid-template-columns: repeat(3, 1fr); }
  .art-grid { grid-template-columns: repeat(2, 1fr); }
  .quote-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 860px) {
  /* --- 顶部导航：紧凑、logo 去长标题 --- */
  .nav-wrap { flex-wrap: wrap; height: auto; padding: 8px 12px; gap: 6px; }
  .logo { gap: 8px; }
  .logo img { height: 36px; }
  .logo .lt b { font-size: 14px; }
  .logo .lt span { display: none; }
  .nav-right { gap: 6px; }
  .lang-btn { padding: 5px 10px; font-size: 12px; }
  .nav-right .btn-ghost span { display: none; }
  .btn-sm { padding: 7px 12px; font-size: 12.5px; }
  .nav-links {
    order: 3; width: 100%; margin: 2px -2px 0; padding-bottom: 4px;
    overflow-x: auto; scrollbar-width: none;
  }
  .nav-links::-webkit-scrollbar { display: none; }
  .nav-link { padding: 6px 12px; font-size: 13.5px; white-space: nowrap; }

  /* --- Hero --- */
  .hero { min-height: 380px; }
  .hero .h-in { padding: 40px 18px; }
  .hero h1 { font-size: 26px; letter-spacing: 0; }
  .hero p { font-size: 14.5px; }
  .hero .h-btns { flex-direction: column; gap: 10px; margin-top: 22px; }
  .hero .h-btns .btn { justify-content: center; width: 100%; }
  .hero .hero-points { gap: 14px; margin-top: 24px; }

  /* --- 通用区块 --- */
  .section { padding: 36px 16px; }
  .sec-head { margin-bottom: 22px; }
  .sec-head h2 { font-size: 23px; }
  .sec-head .en { font-size: 11px; }
  .sec-head p { font-size: 13.5px; }

  /* --- 优势卡片 2 列紧凑 --- */
  .adv-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .adv-card { padding: 18px 12px; }
  .adv-card .ic { width: 46px; height: 46px; border-radius: 12px; margin-bottom: 10px; }
  .adv-card h3 { font-size: 14.5px; }
  .adv-card p { font-size: 12px; margin-top: 4px; }

  /* --- 产品卡片 2 列紧凑 --- */
  .prod-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .prod-card .pc-body { padding: 10px 12px 12px; }
  .prod-card h3 { font-size: 14px; }
  .prod-card .pc-desc { min-height: 0; font-size: 12px; margin-top: 4px; }
  .prod-card .pc-foot { margin-top: 6px; }

  /* --- 其他网格 --- */
  .art-grid { grid-template-columns: 1fr; gap: 14px; }
  .quote-grid { grid-template-columns: 1fr; gap: 10px; }
  .team-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .team-card { padding: 16px 12px; }
  .leader-card { padding: 16px; gap: 12px; }
  .leader-card .tc-ava { width: 56px; height: 56px; }

  /* --- 列表工具栏 --- */
  .toolbar { gap: 8px; }
  .toolbar input { width: 100%; }

  /* --- 二级页头 --- */
  .page-hero { padding: 30px 16px; }
  .page-hero h1 { font-size: 23px; }
  .page-body { padding: 26px 14px 50px; }

  /* --- 详情 --- */
  .detail-layout { grid-template-columns: 1fr; gap: 18px; }
  .detail-info h1 { font-size: 21px; }
  .file-item { padding: 11px 12px; }
  .file-item .fi-ic { width: 36px; height: 36px; }

  /* --- 文章详情 --- */
  .article-page { padding: 26px 14px 50px; }
  .article-page h1 { font-size: 22px; }
  .article-page .content { padding: 20px 16px; font-size: 14.5px; }

  /* --- 页脚 --- */
  .footer .f-in { padding: 30px 18px 14px; grid-template-columns: 1fr; gap: 18px; }
  .footer p { line-height: 1.9; font-size: 12.5px; }

  /* --- 客服按钮 --- */
  .kf-btn { right: 16px; bottom: 18px; width: 50px; height: 50px; }
  .kf-panel { right: 10px; left: 10px; width: auto; bottom: 80px; }

  /* --- 弹窗 / 表单 --- */
  .modal { padding: 20px 16px; border-radius: 14px; }
  .inq-form input, .inq-form select, .inq-form textarea { font-size: 16px; } /* 防 iOS 聚焦自动放大 */
  .qr-box img { width: 180px; height: 180px; }
}
@media (max-width: 560px) {
  .hero { min-height: 360px; }
  .hero h1 { font-size: 23px; }
  .ann-bar { font-size: 12px; padding: 6px 12px; }
}

/* 合作单位 */
.partner-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 16px;
  margin-top: 24px;
}
.partner-card {
  background: #fff;
  border-radius: 12px;
  padding: 20px 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 90px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
  transition: transform .2s, box-shadow .2s;
}
.partner-card:hover { transform: translateY(-2px); box-shadow: 0 4px 16px rgba(0,0,0,0.1); }
.partner-card img { max-width: 100%; max-height: 60px; object-fit: contain; }
.partner-card span { font-size: 15px; font-weight: 600; color: #333; text-align: center; }
@media (max-width: 768px) {
  .partner-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .partner-card { min-height: 70px; padding: 14px 10px; }
}
/* 首页团队滚动卡片 */
.team-scroll {
  overflow: hidden;
  margin-top: 30px;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent);
}
.team-track {
  display: flex;
  gap: 20px;
  width: max-content;
  animation: teamScroll 40s linear infinite;
}
.team-scroll:hover .team-track { animation-play-state: paused; }
@keyframes teamScroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
.team-card {
  width: 220px;
  flex-shrink: 0;
  background: #fff;
  border-radius: 18px;
  padding: 28px 20px 20px;
  text-align: center;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  border: 1px solid #f0f0f0;
  transition: transform .25s, box-shadow .25s;
}
.team-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 28px rgba(228,49,43,0.12);
}
.tc-ava {
  width: 110px;
  height: 110px;
  margin: 0 auto 14px;
  border-radius: 50%;
  padding: 4px;
  background: radial-gradient(circle, #fde68a, #fef3c7);
}
.tc-ava img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
}
.tc-name {
  font-size: 18px;
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 4px;
}
.tc-role {
  font-size: 13.5px;
  color: #1e6fd9;
  margin-bottom: 12px;
}
.tc-contact {
  font-size: 12.5px;
  color: #666;
  line-height: 1.9;
  margin-bottom: 14px;
}
.tc-btn {
  display: inline-block;
  padding: 7px 24px;
  border: 1.5px solid #f5c451;
  border-radius: 20px;
  font-size: 13px;
  color: #b8860b;
  transition: all .2s;
}
.tc-btn:hover { background: #f5c451; color: #fff; }
@media (max-width: 768px) {
  .team-card { width: 170px; padding: 20px 14px 16px; }
  .tc-ava { width: 85px; height: 85px; }
  .tc-name { font-size: 16px; }
  .tc-contact { font-size: 11.5px; }
}
/* 黑白模式（哀悼日） */
.grayscale-mode, .grayscale-mode * {
  filter: grayscale(100%) !important;
}

/* 文章列表封面图 */
.art-cover { width:100%; height:160px; overflow:hidden; border-radius:8px 8px 0 0; margin:-16px -16px 12px -16px; background:#f5f5f5; }
.art-cover img { width:100%; height:100%; object-fit:cover; }

/* 点赞按钮 */
.art-like-btn { display:inline-flex; align-items:center; gap:8px; padding:10px 28px; border:2px solid #e5e7eb; border-radius:999px; background:#fff; cursor:pointer; font-size:15px; transition:all .2s; }
.art-like-btn:hover { border-color:#10b981; color:#10b981; }
.art-like-btn.liked { background:#10b981; color:#fff; border-color:#10b981; }
.art-like-icon { font-size:18px; }
.art-like-count { font-weight:600; font-size:16px; }

/* 轮播图 */
.hs-carousel { position:relative; width:calc(100% - 40px); max-width:1280px; aspect-ratio: 16 / 9; overflow:hidden; margin:24px auto 0; background:#111; border-radius:14px; box-shadow:0 8px 30px rgba(0,0,0,.12); }
.hs-carousel-slide { position:absolute; top:0; left:0; width:100%; height:100%; opacity:0; transition:opacity .8s; z-index:1; }
.hs-carousel-slide.active { opacity:1; z-index:2; }
.hs-carousel-slide img { width:100%; height:100%; object-fit:cover; object-position:center center; display:block; }
@media (max-width: 768px) {
  .hs-carousel { width:calc(100% - 20px); aspect-ratio: 16 / 9; margin-top:12px; border-radius:10px; }
}
.hs-carousel-dots { position:absolute; bottom:14px; left:50%; transform:translateX(-50%); display:flex; gap:8px; z-index:2; }
.hs-dot { width:10px; height:10px; border-radius:50%; background:rgba(255,255,255,.5); cursor:pointer; transition:background .2s; }
.hs-dot.active { background:#fff; }
/* 业务员卡片二维码 */
.tc-qr { margin-top:10px; text-align:center; }
.tc-qr img { width:80px; height:80px; object-fit:contain; border:1px solid #e5e7eb; border-radius:6px; background:#fff; padding:3px; }

/* ============================================================
   首页高端大气升级版 v2.0
   ============================================================ */

/* --- Hero 区升级：更高大、带渐变遮罩 --- */
.hero {
  min-height: 600px;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
}
.hero img.bg { opacity: .35; filter: saturate(1.1); }
.hero::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,.1) 0%, rgba(0,0,0,.5) 100%);
  pointer-events: none;
}
.hero .h-in { padding: 80px 20px; z-index: 2; }
.hero h1 {
  font-size: 52px;
  font-weight: 900;
  letter-spacing: 2px;
  background: linear-gradient(90deg, #fff, #f0e6d3);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: none;
  filter: drop-shadow(0 4px 20px rgba(0,0,0,.3));
}
.hero p { font-size: 18px; max-width: 680px; line-height: 1.9; }
.hero .h-btns .btn { padding: 13px 32px; font-size: 15px; border-radius: 10px; }
.hero .hero-points { gap: 32px; }
.hero .hero-points span { font-size: 14px; }

/* --- 轮播图升级：更大气 --- */
.hs-carousel {
  position: relative;
  width: calc(100% - 40px);
  max-width: 1280px;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  margin: 24px auto 0;
  background: #111;
  border-radius: 14px;
  box-shadow: 0 8px 30px rgba(0,0,0,.12);
}
.hs-carousel-slide img { object-fit: cover; }
.hs-carousel-dots { bottom: 20px; }
.hs-dot { width: 12px; height: 12px; }

/* --- 区块标题升级 --- */
.sec-head { margin-bottom: 44px; }
.sec-head .en { font-size: 13px; letter-spacing: 6px; color: var(--red); font-weight: 700; }
.sec-head h2 { font-size: 36px; font-weight: 900; letter-spacing: 2px; margin-top: 8px; }
.sec-head .ln { width: 64px; height: 4px; background: linear-gradient(90deg, var(--red), #FF7A00); margin-top: 16px; }
.sec-head p { font-size: 15px; margin-top: 14px; max-width: 600px; margin-left: auto; margin-right: auto; }

/* --- 核心优势卡片升级 --- */
.adv-grid { gap: 24px; }
.adv-card {
  padding: 36px 24px;
  border-radius: 18px;
  border: 1px solid rgba(0,0,0,.04);
  position: relative;
  overflow: hidden;
}
.adv-card::before {
  content: "";
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, transparent, var(--red), transparent);
  opacity: 0; transition: opacity .3s;
}
.adv-card:hover::before { opacity: 1; }
.adv-card:hover { transform: translateY(-6px); box-shadow: 0 20px 50px rgba(0,0,0,.1); }
.adv-card .ic {
  width: 68px; height: 68px;
  border-radius: 18px;
  margin-bottom: 20px;
}
.adv-card h3 { font-size: 18px; font-weight: 800; }
.adv-card p { font-size: 13.5px; margin-top: 8px; line-height: 1.8; }

/* --- 产品卡片升级 --- */
.prod-grid { gap: 24px; }
.prod-card { border-radius: 18px; }
.prod-card .pc-img { aspect-ratio: 16 / 11; }
.prod-card .pc-body { padding: 18px 20px 20px; }
.prod-card h3 { font-size: 16px; }

/* --- 文章卡片升级 --- */
.art-card { border-radius: 18px; padding: 24px; }

/* --- 团队滚动卡片升级 --- */
.team-card {
  width: 240px;
  border-radius: 20px;
  padding: 32px 20px 24px;
  border: 1px solid rgba(228,49,43,.08);
}
.team-card:hover {
  box-shadow: 0 12px 40px rgba(228,49,43,.15);
  border-color: rgba(228,49,43,.2);
}
.tc-ava { width: 120px; height: 120px; }
.tc-name { font-size: 19px; }
.tc-btn { padding: 8px 28px; border-radius: 25px; font-size: 13.5px; }

/* --- 合作单位卡片升级 --- */
.partner-card {
  border-radius: 16px;
  min-height: 100px;
  padding: 24px 18px;
  border: 1px solid rgba(0,0,0,.04);
}
.partner-card img { max-height: 70px; }

/* --- 页脚升级 --- */
.footer {
  background: #1a1a2e;
  margin-top: 60px;
}
.footer .f-in { padding: 50px 20px 20px; }
.footer h4 { font-size: 16px; margin-bottom: 14px; color: #fff; }
.footer p { color: rgba(255,255,255,.65); font-size: 13.5px; line-height: 2; }
.footer a:hover { color: #fff; }
.copy { background: rgba(0,0,0,.2); color: rgba(255,255,255,.5); }

/* --- 公告条升级 --- */
.ann-bar { padding: 9px 16px; font-size: 13px; }

/* --- 导航升级 --- */
.header { box-shadow: 0 2px 20px rgba(0,0,0,.06); }
.nav-wrap { height: 72px; }
.logo img { height: 48px; }
.logo .lt b { font-size: 17px; }
.nav-link { padding: 10px 18px; font-size: 15px; }

/* ============================================================
   手机版深度优化 v2.0
   ============================================================ */
@media (max-width: 860px) {
  .hero { min-height: 480px; }
  .hero .h-in { padding: 50px 18px; }
  .hero h1 { font-size: 30px; letter-spacing: 1px; }
  .hero p { font-size: 15px; line-height: 1.8; }
  .hero .h-btns .btn { padding: 12px 24px; font-size: 14px; }
  .hero .hero-points { gap: 16px; margin-top: 28px; }
  .hero .hero-points span { font-size: 12.5px; }

  .hs-carousel { aspect-ratio: 16 / 9; border-radius: 0; }

  .sec-head { margin-bottom: 28px; }
  .sec-head .en { font-size: 11px; letter-spacing: 4px; }
  .sec-head h2 { font-size: 24px; letter-spacing: 1px; }
  .sec-head .ln { width: 48px; height: 3px; margin-top: 10px; }
  .sec-head p { font-size: 13px; margin-top: 10px; }

  .adv-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .adv-card { padding: 22px 14px; border-radius: 14px; }
  .adv-card .ic { width: 52px; height: 52px; border-radius: 14px; margin-bottom: 12px; }
  .adv-card h3 { font-size: 15px; }
  .adv-card p { font-size: 12px; margin-top: 6px; }

  .prod-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .prod-card .pc-img { aspect-ratio: 4 / 3; }
  .prod-card .pc-body { padding: 12px 14px 14px; }
  .prod-card h3 { font-size: 14px; }

  .team-card { width: 180px; padding: 22px 14px 18px; border-radius: 16px; }
  .tc-ava { width: 90px; height: 90px; margin-bottom: 12px; }
  .tc-name { font-size: 16px; }
  .tc-role { font-size: 12.5px; margin-bottom: 10px; }
  .tc-contact { font-size: 11.5px; margin-bottom: 12px; }
  .tc-btn { padding: 6px 20px; font-size: 12px; }

  .partner-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .partner-card { min-height: 80px; padding: 16px 12px; border-radius: 12px; }

  .footer .f-in { padding: 36px 18px 16px; }
  .footer h4 { font-size: 15px; margin-bottom: 10px; }
  .footer p { font-size: 12.5px; line-height: 1.9; }

  .nav-wrap { padding: 10px 14px; gap: 8px; }
  .logo img { height: 40px; }
  .nav-links { padding-bottom: 6px; }
  .nav-link { padding: 8px 14px; font-size: 14px; }
}

@media (max-width: 560px) {
  .hero { min-height: 440px; }
  .hero .h-in { padding: 40px 16px; }
  .hero h1 { font-size: 26px; }
  .hero p { font-size: 14px; }
  .hero .h-btns { margin-top: 24px; }
  .hero .h-btns .btn { width: 100%; justify-content: center; }

  .hs-carousel { aspect-ratio: 16 / 10; }

  .sec-head h2 { font-size: 21px; }
  .adv-grid { gap: 10px; }
  .adv-card { padding: 18px 10px; }
  .adv-card .ic { width: 44px; height: 44px; }
  .adv-card h3 { font-size: 13.5px; }
  .adv-card p { font-size: 11.5px; }

  .prod-grid { gap: 10px; }
  .prod-card .pc-body { padding: 10px 12px 12px; }
  .prod-card h3 { font-size: 13px; }

  .team-card { width: 160px; }
  .tc-ava { width: 75px; height: 75px; }
  .tc-name { font-size: 15px; }
}
.art-list { display:flex; flex-direction:column; gap:16px; }
.art-list-item { display:flex; gap:20px; background:#fff; border-radius:12px; overflow:hidden; box-shadow:0 1px 3px rgba(0,0,0,.08); transition:all .25s; text-decoration:none; color:inherit; }
.art-list-item:hover { transform:translateY(-2px); box-shadow:0 8px 24px rgba(0,0,0,.12); }
.art-list-cover { flex:0 0 280px; height:180px; overflow:hidden; background:#f5f5f5; }
.art-list-cover img { width:100%; height:100%; object-fit:contain; background:#f5f5f5; }
.art-list-body { flex:1; padding:18px 20px 18px 0; display:flex; flex-direction:column; justify-content:center; }
.art-list-body h3 { font-size:17px; font-weight:700; color:#222; margin-bottom:8px; line-height:1.4; }
.art-list-body p { font-size:13.5px; color:#666; line-height:1.6; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; }
.art-list-body .date { font-size:12px; color:#999; margin-top:10px; }
@media(max-width:768px){
  .art-list-item { flex-direction:column; }
  .art-list-cover { flex:none; height:180px; width:100%; }
  .art-list-body { padding:14px 16px; }
}

/* 手机端公司简介适配 */
@media(max-width:768px){
  .page-hero { height:auto !important; padding:60px 0 !important; }
  .page-hero h1 { font-size:32px !important; }
  .page-hero p { font-size:14px !important; }
  .page-hero div[style*="letter-spacing"] { font-size:12px !important; padding:6px 16px !important; }
  /* 数据卡片改2x2 */
  .page-body > div[style*="grid-template-columns:repeat(4"] { grid-template-columns:repeat(2,1fr) !important; }
  .page-body > div[style*="grid-template-columns:repeat(4"] > div { padding:20px 10px !important; }
  .page-body > div[style*="grid-template-columns:repeat(4"] > div > div[style*="font-size:44px"] { font-size:28px !important; }
  .page-body > div[style*="grid-template-columns:repeat(4"] > div:nth-child(2) { border-right:none; }
  .page-body > div[style*="grid-template-columns:repeat(4"] > div:nth-child(-n+2) { border-bottom:1px solid #f0f0f0; }
  /* 标题缩小 */
  .section h2 { font-size:24px !important; }
  .section p { font-size:14px !important; line-height:1.9 !important; }
  /* 视频 */
  .page-body video { max-height:260px !important; }
}