/* =========================================================
   青岛华昊胶带有限公司 官网改版 · 模板样式
   参考 dth 风格：主色 #0072BB（亮蓝）  点缀橙 #DD751C / #FF8F17
   字体：阿里巴巴普惠体 3.0
   无框架依赖，纯原生 CSS，Grid/Flex 布局
   ========================================================= */

/* ---------- 1. 设计变量 ---------- */
:root{
  /* 品牌亮蓝主色：导航 hover/选中、标题装饰、链接强调 */
  --brand:        #0072BB;
  --brand-600:    #00629E;
  --brand-700:    #00507F;
  --brand-050:    #EAF4FB;
  --brand-100:    #C9E2F4;

  /* 橙色点缀：行动按钮 / 工具栏 / 装饰圆点 */
  --accent:       #DD751C;
  --accent-600:   #B85E12;
  --accent-dot:   #FF8F17;
  --accent-050:   #FBF1E8;

  /* 多级灰阶 */
  --ink-900:      #171A20;
  --ink-800:      #2C313B;
  --ink-700:      #454C58;
  --ink-600:      #5E6673;
  --ink-500:      #7B8391;
  --ink-400:      #9BA2AD;
  --ink-300:      #C5CAD2;
  --line:         #E5E7EA;
  --line-soft:    #F0F2F4;
  --bg:           #FFFFFF;
  --bg-soft:      #F6F7F8;
  --bg-mute:      #EFF1F3;
  --bg-dark:      #1C1F25;

  --shadow-sm: 0 1px 2px rgba(23,26,32,.06), 0 1px 3px rgba(23,26,32,.05);
  --shadow-md: 0 6px 16px -4px rgba(23,26,32,.10), 0 2px 6px -2px rgba(23,26,32,.06);
  --shadow-lg: 0 22px 44px -14px rgba(23,26,32,.18);

  --radius:  10px;
  --radius-lg: 16px;
  --container: 1500px;
  --header-h: 96px;

  --font: 'AlibabaPuHuiTi', -apple-system, BlinkMacSystemFont, 'Segoe UI',
          'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
}

/* ---------- 2. 基础重置 ---------- */
*,*::before,*::after{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
body{
  margin:0; padding:0;
  font-family:var(--font);
  font-size:15px; line-height:1.75;
  color:var(--ink-700);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{ margin:0; color:var(--ink-900); font-weight:700; line-height:1.35; }
p{ margin:0 0 1em; }
a{ color:inherit; text-decoration:none; transition:color .2s ease, background .2s ease, border-color .2s ease, transform .2s ease, box-shadow .2s ease, opacity .2s ease; }
a:hover{ color:var(--brand-600); }
img{ max-width:100%; height:auto; border:0; display:block; }
ul,ol{ margin:0; padding:0; list-style:none; }
button,input,textarea,select{ font:inherit; color:inherit; }
table{ border-collapse:collapse; width:100%; }
::selection{ background:var(--brand); color:#fff; }

/* 内容排版（详情页富文本） */
.rich p{ margin:0 0 1.1em; }
.rich img{ margin:12px 0; border-radius:var(--radius); }
.rich ul,.rich ol{ margin:0 0 1.1em; padding-left:1.6em; list-style:disc; }
.rich ol{ list-style:decimal; }
.rich li{ margin-bottom:.4em; }
.rich h1,.rich h2,.rich h3,.rich h4{ margin:1.4em 0 .7em; }
.rich table{ margin:1em 0; border:1px solid var(--line); }
.rich th,.rich td{ border:1px solid var(--line); padding:8px 12px; }
.rich th{ background:var(--bg-soft); }

/* ---------- 3. 布局工具 ---------- */
.container{ width:100%; max-width:var(--container); margin:0 auto; padding:0 20px; }
.section{ padding:78px 0; }
.section--soft{ background:var(--bg-soft); }
.section--dark{ background:var(--bg-dark); }
.section--dark h2, .section--dark h3{ color:#fff; }

/* 区块标题（参考 dth .titles：大标题 + 副标题 + 主色横线中央橙点） */
.sec-head{ text-align:center; margin-bottom:54px; }
.sec-head__title{ font-size:40px; letter-spacing:.5px; }
.sec-head__title em{ font-style:normal; color:var(--brand); }
.sec-head__sub{ margin-top:10px; color:var(--ink-600); font-size:17px; }
.sec-head__bar{ width:68px; height:3px; border-radius:2px; background:var(--brand); margin:20px auto 0; position:relative; }
.sec-head__bar::after{ content:''; position:absolute; left:calc(50% - 5px); top:calc(50% - 5px);
  width:10px; height:10px; border-radius:50%; background:var(--accent-dot); }
.sec-head--left{ text-align:left; }
.sec-head--left .sec-head__bar{ margin-left:0; }
.sec-head--left .sec-head__bar::after{ left:auto; right:-4px; }
.sec-head__more{ display:inline-flex; align-items:center; gap:6px; font-size:14px; color:var(--ink-500); }
.sec-head__more:hover{ color:var(--brand); }
.sec-head__row{ display:flex; align-items:flex-end; justify-content:space-between; gap:20px; }

/* 按钮 */
.btn{ display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:12px 26px; border-radius:6px; border:1px solid transparent;
  font-size:15px; font-weight:600; cursor:pointer; white-space:nowrap; }
.btn--primary{ background:var(--accent); color:#fff; box-shadow:0 8px 20px -6px rgba(221,117,28,.45); }
.btn--primary:hover{ background:var(--accent-600); color:#fff; box-shadow:0 10px 24px -6px rgba(219,78,29,.5); }
.btn--ghost{ border-color:rgba(255,255,255,.6); color:#fff; background:transparent; }
.btn--ghost:hover{ background:rgba(255,255,255,.14); color:#fff; border-color:#fff; }
.btn--outline{ border-color:var(--line); color:var(--ink-800); background:#fff; }
.btn--outline:hover{ border-color:var(--brand); color:var(--brand); }
.btn--sm{ padding:8px 18px; font-size:14px; }

/* 标签徽章 */
.badge{ display:inline-block; padding:2px 9px; border-radius:4px; font-size:12px; line-height:1.7; }
.badge--top{ background:var(--accent); color:#fff; }
.badge--rec{ background:var(--brand); color:#fff; }
.badge--head{ background:#2E90FA; color:#fff; }

/* 图片比例占位 */
.ratio{ position:relative; overflow:hidden; background:var(--bg-soft); }
.ratio > img{ width:100%; height:100%; object-fit:cover; transition:transform .55s cubic-bezier(.2,.7,.3,1); }
.ratio--1x1::before, .ratio--4x3::before, .ratio--16x9::before, .ratio--3x2::before{ content:''; display:block; }
.ratio--1x1::before{ padding-top:100%; }
.ratio--4x3::before{ padding-top:75%; }
.ratio--3x2::before{ padding-top:66.667%; }
.ratio--16x9::before{ padding-top:56.25%; }
.ratio > img{ position:absolute; inset:0; }

/* 进场动画（IntersectionObserver 触发） */
/* 入场动画仅在 JS 可用时启用，避免无 JS 环境内容不可见 */
.js .reveal{ opacity:0; transform:translateY(26px); transition:opacity .7s ease, transform .7s cubic-bezier(.2,.7,.3,1); }
.js .reveal.is-in{ opacity:1; transform:none; }
@media (prefers-reduced-motion: reduce){
  .js .reveal{ opacity:1; transform:none; transition:none; }
  html{ scroll-behavior:auto; }
}

/* ---------- 4. 顶部信息条（深色，参考 dth head_top） ---------- */
.topbar{ background:#222222; color:#C0C0C0; font-size:13.5px; }
.topbar__inner{ display:flex; align-items:center; justify-content:space-between; min-height:38px; gap:16px; }
.topbar__list{ display:flex; align-items:center; gap:22px; flex-wrap:wrap; }
.topbar__item{ display:inline-flex; align-items:center; gap:7px; }
.topbar__item svg{ width:14px; height:14px; stroke:var(--accent); fill:none; stroke-width:1.8; flex:none; }
.topbar__item a{ color:#C0C0C0; }
.topbar__item a:hover{ color:#fff; }
.topbar__item:first-child a{ color:#fff; font-weight:600; font-size:14.5px; letter-spacing:.3px; }
.topbar__item:first-child svg{ stroke:#FFB169; }
.topbar__slogan{ color:#8A93A2; }
.topbar__slogan b{ color:#fff; font-weight:600; }

/* ---------- 5. 页头导航（白底大导航，参考 dth head_bot） ---------- */
.site-header{ position:sticky; top:0; z-index:1000; background:#fff;
  border-bottom:1px solid var(--line); }
.site-header.is-scrolled{ box-shadow:0 8px 24px -10px rgba(23,31,38,.25); }
.header__inner{ display:flex; align-items:center; gap:28px; height:var(--header-h); }
.logo{ display:flex; align-items:center; gap:11px; flex:none; }
.logo img{ height:52px; width:auto; }
.logo__text{ display:flex; flex-direction:column; line-height:1.2; }
.logo__cn{ font-size:21px; font-weight:700; color:var(--ink-900); letter-spacing:1px; }
.logo__en{ font-size:10.5px; color:var(--ink-400); letter-spacing:2.6px; text-transform:uppercase; }

.nav{ margin-left:auto; }
.nav__list{ display:flex; align-items:center; gap:6px; }
.nav__item{ position:relative; }
.nav__link{ display:flex; align-items:center; gap:5px; padding:0 14px; white-space:nowrap;
  font-size:17px; font-weight:500; color:var(--ink-900); line-height:var(--header-h); border-radius:0; }
.nav__link:hover{ color:var(--brand); background:transparent; font-weight:700; }
.nav__item.is-active > .nav__link{ color:var(--brand); font-weight:700; }
.nav__item.is-active > .nav__link::after{ content:''; position:absolute; left:50%; bottom:0;
  transform:translateX(-50%); width:24px; height:3px; border-radius:2px; background:var(--brand); }
.nav__caret{ width:11px; height:11px; stroke:currentColor; fill:none; stroke-width:2; opacity:.7; transition:transform .25s; }
.nav__item:hover .nav__caret{ transform:rotate(180deg); }
.nav__sub{ position:absolute; top:100%; left:50%; transform:translate(-50%,10px); min-width:190px; padding:8px;
  background:#fff; border-radius:0 0 10px 10px; box-shadow:0 0 10px 0 rgba(0,0,0,.12);
  opacity:0; visibility:hidden; transition:.25s ease; z-index:20; }
.nav__item:hover > .nav__sub{ opacity:1; visibility:visible; transform:translate(-50%,0); }
.nav__sub a{ display:block; padding:10px 14px; text-align:center; font-size:15px; color:var(--ink-600); }
.nav__sub a:hover{ background:var(--brand); color:#fff; }

.header__cta{ flex:none; display:flex; align-items:center; gap:18px; }
.header__tel{ display:flex; align-items:center; gap:10px; padding:7px 16px 7px 13px;
  background:linear-gradient(135deg,#FFF2E7 0%,#FFE2CB 100%); border:1px solid #FFD7B0;
  border-radius:8px; transition:.3s; }
.header__tel:hover{ box-shadow:0 4px 14px rgba(221,117,28,.28); transform:translateY(-1px); }
.header__tel svg{ width:26px; height:26px; stroke:var(--accent); fill:none; stroke-width:1.8; }
.header__tel span{ display:block; font-size:11.5px; color:#A0622A; line-height:1.2; }
.header__tel b{ display:block; font-size:22px; color:var(--accent); letter-spacing:.5px; line-height:1.3; white-space:nowrap; }

/* 移动端抽屉与汉堡 */
.nav-toggle{ display:none; margin-left:auto; width:42px; height:42px; border:0; background:none;
  cursor:pointer; padding:9px; border-radius:8px; }
.nav-toggle span{ display:block; height:2px; background:var(--ink-900); border-radius:2px; margin:5px 0; transition:.3s; }
.nav-toggle.is-open span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2){ opacity:0; }
.nav-toggle.is-open span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }
.mobile-nav{ display:none; }

/* ---------- 6. 首屏横幅（参考站：整幅图 + 两侧半透明箭头 + 底部横条指示） ---------- */
.hero{ position:relative; overflow:hidden; background:var(--bg-dark); }
.hero__slides{ position:relative; }
.hero__slide{ position:relative; }
.hero__slide img{ display:block; width:100%; height:auto; }
.hero__mask{ position:absolute; inset:0; z-index:1;
  background:linear-gradient(90deg,rgba(9,30,48,.72) 0%,rgba(9,30,48,.48) 42%,rgba(9,30,48,.12) 100%); }
.hero__text{ position:absolute; inset:0; z-index:2; display:flex; align-items:center; pointer-events:none; }
.hero__text .container{ width:100%; }
.hero__text h2{ margin:0; color:#fff; font-size:44px; font-weight:700; letter-spacing:1px;
  text-shadow:0 2px 12px rgba(0,0,0,.35); }
.hero__text p{ margin:14px 0 0; color:rgba(255,255,255,.92); font-size:18px; letter-spacing:.5px;
  text-shadow:0 1px 8px rgba(0,0,0,.35); }
.hero__dots{ position:absolute; left:50%; bottom:5.3%; transform:translateX(-50%); z-index:3; display:flex; gap:20px; }
.hero__dot{ width:50px; height:6px; border-radius:0; background:rgba(255,255,255,.3); border:0; cursor:pointer; padding:0; }
.hero__dot.is-on{ background:var(--brand); opacity:1; }
.hero__arrow{ position:absolute; top:50%; transform:translateY(-50%); z-index:3; width:50px; height:65px;
  border-radius:0; border:0; background:rgba(255,255,255,.5); color:#444;
  display:flex; align-items:center; justify-content:center; cursor:pointer; font-size:22px; }
.hero__arrow:hover{ background:var(--brand); color:#fff; }
.hero__arrow--prev{ left:0; }
.hero__arrow--next{ right:0; }
@media (max-width:1200px){
  .hero__dot{ width:36px; height:4px; }
  .hero__arrow{ width:40px; height:52px; }
}

/* ---------- 6b. 热门搜索条（参考 dth .hot_search） ---------- */
.hot-search{ background:#F5F5F5; padding:12px 0; }
.hot-search__inner{ display:flex; align-items:center; justify-content:space-between; gap:16px; }
.hot-search__hot{ font-size:16px; font-weight:700; color:var(--brand); white-space:nowrap; }
.hot-search__tags{ display:flex; align-items:center; gap:18px; flex-wrap:wrap; }
.hot-search__tags a{ font-size:14.5px; color:var(--ink-600); }
.hot-search__tags a:hover{ color:var(--brand); }
.hot-search__form{ display:flex; width:320px; flex:none; }
.hot-search__form input[type=text]{ width:calc(100% - 56px); height:46px; border:0; outline:none;
  background:#fff; font-size:15px; color:var(--ink-800); padding:0 1.2em; }
.hot-search__form input[type=text]::placeholder{ color:#B5B5B5; }
.hot-search__form input[type=submit]{ width:56px; height:46px; border:0; cursor:pointer;
  background:var(--brand); color:#fff; font-size:14px; }
.hot-search__form input[type=submit]:hover{ background:var(--brand-600); }

/* ---------- 7. 优势条 ---------- */
.feature-strip{ margin-top:34px; position:relative; z-index:5; }
.feature-strip__grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:18px; }
.f-card{ background:#fff; border:1px solid var(--line); border-radius:var(--radius-lg);
  padding:26px 24px; box-shadow:var(--shadow-md); transition:.3s ease; position:relative; overflow:hidden; }
.f-card::before{ content:''; position:absolute; left:0; top:0; width:100%; height:3px;
  background:linear-gradient(90deg,var(--brand),var(--brand-700)); transform:scaleX(0); transform-origin:left; transition:.35s ease; }
.f-card:hover{ transform:translateY(-6px); box-shadow:var(--shadow-lg); }
.f-card:hover::before{ transform:scaleX(1); }
.f-card__icon{ width:50px; height:50px; border-radius:12px; background:var(--brand-050);
  display:flex; align-items:center; justify-content:center; margin-bottom:16px; }
.f-card__icon svg{ width:26px; height:26px; stroke:var(--brand); fill:none; stroke-width:1.6; }
.f-card__title{ font-size:17px; margin-bottom:7px; }
.f-card__text{ margin:0; font-size:13.5px; color:var(--ink-500); line-height:1.7; }

/* ---------- 8. 产品卡片 ---------- */
.prod-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:24px; }
.prod-grid--3{ grid-template-columns:repeat(3,1fr); }
.p-card{ background:#fff; border:1px solid var(--line); border-radius:var(--radius-lg); overflow:hidden; }
.p-card__media{ display:block; }
.p-card:hover .ratio > img{ transform:scale(1.07); }
.p-card__body{ padding:17px 18px 19px; border-top:1px solid var(--line); }
.p-card__cat{ font-size:12px; color:var(--brand); letter-spacing:.5px; margin-bottom:5px; }
.p-card__title{ font-size:16px; font-weight:600; line-height:1.45; margin:0; }
.p-card__title a{ color:var(--ink-900); }
.p-card__title a:hover{ color:var(--brand); }
.p-card__desc{ margin:8px 0 0; font-size:13px; color:var(--ink-500); line-height:1.7;
  display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; }
.p-card__foot{ margin-top:12px; display:flex; align-items:center; justify-content:space-between; }
.p-card__more{ font-size:13px; color:var(--ink-400); display:inline-flex; align-items:center; gap:4px; }
.p-card:hover .p-card__more{ color:var(--brand); }

/* 产品分类宫格 */
.cat-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }
.cat-card{ position:relative; border-radius:var(--radius-lg); overflow:hidden; background:var(--bg-dark); }
.cat-card img{ width:100%; height:200px; object-fit:cover; opacity:.72; transition:transform .55s ease, opacity .35s ease; }
.cat-card::after{ content:''; position:absolute; inset:0;
  background:linear-gradient(to top, rgba(23,26,32,.88) 8%, rgba(23,26,32,.16) 62%); }
.cat-card:hover img{ transform:scale(1.08); opacity:.88; }
.cat-card__body{ position:absolute; inset:auto 0 0 0; z-index:2; padding:18px 20px; color:#fff; }
.cat-card__body h3{ color:#fff; font-size:17px; margin:0; }
.cat-card__body p{ margin:4px 0 0; font-size:12.5px; color:rgba(255,255,255,.72); }
.cat-card__num{ position:absolute; right:16px; top:12px; z-index:2; font-size:26px; font-weight:700;
  color:rgba(255,255,255,.3); font-style:italic; }

/* ---------- 9. 关于我们 ---------- */
.about-grid{ display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:center; }
.about-media{ position:relative; }
.about-media__main{ border-radius:var(--radius-lg); overflow:hidden; box-shadow:var(--shadow-lg); }
.about-media__badge{ position:absolute; right:-14px; bottom:-18px; background:var(--brand); color:#fff;
  border-radius:var(--radius-lg); padding:20px 26px; box-shadow:0 14px 30px -8px rgba(126,22,31,.45); }
.about-media__badge b{ display:block; font-size:30px; line-height:1.1; }
.about-media__badge span{ font-size:12.5px; opacity:.92; }
.about-lead{ font-size:16px; color:var(--ink-800); line-height:1.9; }
.about-text{ color:var(--ink-500); }
.about-stats{ display:grid; grid-template-columns:repeat(3,1fr); gap:14px; margin:26px 0 30px; }
.stat{ border-left:3px solid var(--brand); padding-left:14px; }
.stat b{ display:block; font-size:27px; color:var(--ink-900); line-height:1.2; }
.stat span{ font-size:13px; color:var(--ink-500); }

/* ---------- 10. 设备/案例网格 ---------- */
.case-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:22px; }
.case-card{ position:relative; border-radius:var(--radius-lg); overflow:hidden; background:var(--ink-900); }
.case-card img{ width:100%; height:230px; object-fit:cover; opacity:.85; transition:.5s ease; }
.case-card::after{ content:''; position:absolute; inset:0;
  background:linear-gradient(to top, rgba(23,26,32,.85), rgba(23,26,32,.05) 65%); }
.case-card:hover img{ transform:scale(1.06); opacity:1; }
.case-card__body{ position:absolute; inset:auto 0 0 0; z-index:2; padding:16px 18px; }
.case-card__body h3{ color:#fff; font-size:16px; font-weight:600; margin:0; }
.case-card__more{ position:absolute; right:16px; bottom:16px; z-index:2; width:32px; height:32px; border-radius:50%;
  background:rgba(255,255,255,.16); border:1px solid rgba(255,255,255,.3); color:#fff;
  display:flex; align-items:center; justify-content:center; font-size:15px; }
.case-card:hover .case-card__more{ background:var(--brand); border-color:var(--brand); }

/* ---------- 11. 资讯 ---------- */
.news-grid{ display:grid; grid-template-columns:1fr 1fr; gap:44px; }
.news-item{ display:flex; gap:18px; padding:20px 0; border-bottom:1px dashed var(--line); }
.news-item:first-child{ padding-top:0; }
.news-item__media{ flex:none; width:132px; }
.news-item:hover .ratio > img{ transform:scale(1.06); }
.news-item__date{ flex:none; width:64px; text-align:center; border-radius:8px; background:var(--bg-soft);
  border:1px solid var(--line); padding:8px 4px; align-self:flex-start; }
.news-item__date b{ display:block; font-size:20px; color:var(--brand); line-height:1.15; }
.news-item__date span{ font-size:11.5px; color:var(--ink-400); }
.news-item__title{ font-size:16px; font-weight:600; line-height:1.5; margin:0; }
.news-item__title a{ color:var(--ink-900); }
.news-item:hover .news-item__title a{ color:var(--brand); }
.news-item__desc{ margin:7px 0 0; font-size:13px; color:var(--ink-500); line-height:1.75;
  display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; }

/* ---------- 12. 询价 CTA ---------- */
.cta-band{ background:linear-gradient(105deg,#191F26 0%,#0A5A94 52%,#00507F 100%); color:#fff; }
.cta-band__inner{ display:flex; align-items:center; justify-content:space-between; gap:30px; flex-wrap:wrap; }
.cta-band h2{ color:#fff; font-size:28px; margin:0; }
.cta-band p{ margin:8px 0 0; color:rgba(255,255,255,.9); font-size:15px; }
.cta-band__tel{ display:flex; align-items:center; gap:14px; }
.cta-band__tel svg{ width:38px; height:38px; stroke:#fff; fill:none; stroke-width:1.5; }
.cta-band__tel span{ display:block; font-size:13px; opacity:.85; }
.cta-band__tel b{ display:block; font-size:26px; letter-spacing:1px; }
.cta-band .btn--ghost{ background:var(--accent); border-color:var(--accent); color:#fff; font-weight:600;
  box-shadow:0 8px 20px -6px rgba(221,117,28,.4); }
.cta-band .btn--ghost:hover{ background:var(--accent-600); border-color:var(--accent-600); color:#fff; }

/* ---------- 13. 页脚 ---------- */
.site-footer{ background:var(--bg-dark); color:#8A93A2; font-size:14px; }
.footer__top{ display:grid; grid-template-columns:2.1fr 1fr 1fr 1.2fr; gap:38px; padding:60px 0 44px; }
.footer__brand .logo__cn{ color:#fff; }
.footer__brand .logo__en{ color:#5B6572; }
.footer__brand p{ margin:16px 0 0; line-height:1.9; }
.footer__col h4{ color:#fff; font-size:15.5px; margin-bottom:18px; letter-spacing:.5px; }
.footer__col li{ margin-bottom:11px; }
.footer__col a{ color:#8A93A2; }
.footer__col a:hover{ color:#fff; padding-left:3px; }
.footer__contact li{ display:flex; gap:9px; margin-bottom:13px; line-height:1.65; }
.footer__contact svg{ width:15px; height:15px; stroke:var(--accent); fill:none; stroke-width:1.8; flex:none; margin-top:4px; }
.footer__qr{ text-align:center; }
.footer__qr img{ width:126px; height:126px; border-radius:10px; margin:0 auto; background:#fff; padding:6px; }
.footer__qr p{ margin:10px 0 0; font-size:12.5px; }
.footer__bottom{ border-top:1px solid rgba(255,255,255,.08); padding:20px 0; }
.footer__bottom .container{ display:flex; align-items:center; justify-content:space-between; gap:14px; flex-wrap:wrap; }
.footer__bottom a{ color:#8A93A2; }
.footer__bottom a:hover{ color:#fff; }

/* ---------- 14. 内页通用 ---------- */
.page-hero{ position:relative; background:var(--bg-dark); overflow:hidden; }
.page-hero img{ width:100%; height:230px; object-fit:cover; opacity:.55; }
.page-hero__body{ position:absolute; inset:0; display:flex; align-items:center; }
.page-hero h1{ color:#fff; font-size:30px; margin:0; }
.page-hero p{ margin:8px 0 0; color:rgba(255,255,255,.78); font-size:14.5px; }

.crumbs{ padding:18px 0; border-bottom:1px solid var(--line); font-size:13.5px; color:var(--ink-500); }
.crumbs .container{ display:flex; align-items:center; gap:8px; flex-wrap:wrap; }
.crumbs a{ color:var(--ink-500); }
.crumbs a:hover{ color:var(--brand); }
.crumbs svg{ width:13px; height:13px; stroke:var(--ink-400); fill:none; stroke-width:1.6; }
.crumbs .is-here{ color:var(--ink-900); }

.layout{ display:grid; grid-template-columns:262px 1fr; gap:40px; padding:44px 0 80px; align-items:start; }

/* 侧栏 */
.side{ display:flex; flex-direction:column; gap:26px; position:sticky; top:calc(var(--header-h) + 20px); }
.side-panel{ background:#fff; border:1px solid var(--line); border-radius:var(--radius-lg); overflow:hidden; }
.side-panel__head{ background:var(--bg-soft); padding:15px 20px; font-size:16px; font-weight:600;
  color:var(--ink-900); border-bottom:1px solid var(--line); display:flex; align-items:center; gap:9px; }
.side-panel__head i{ width:4px; height:16px; border-radius:2px; background:var(--brand); }
.side-nav a{ display:flex; align-items:center; justify-content:space-between; gap:8px;
  padding:13px 20px; font-size:15px; color:var(--ink-700); border-bottom:1px solid var(--line); }
.side-nav a:last-child{ border-bottom:0; }
.side-nav a::before{ content:''; width:5px; height:5px; border-radius:50%; background:var(--ink-400); flex:none; }
.side-nav a span{ flex:1; padding-left:12px; }
.side-nav a:hover{ background:var(--brand-050); color:var(--brand); }
.side-nav a.is-active{ background:var(--brand); color:#fff; font-weight:600; }
.side-nav a.is-active::before{ background:#fff; }
.side-nav a.is-active em{ color:rgba(255,255,255,.8); font-style:normal; }
.side-nav a em{ font-style:normal; font-size:12px; color:var(--ink-400); }

.side-contact{ background:linear-gradient(160deg,var(--brand) 0%,var(--brand-700) 100%); color:#fff;
  border-radius:var(--radius-lg); padding:26px 22px; }
.side-contact h4{ color:#fff; font-size:17px; margin-bottom:14px; }
.side-contact p{ margin:0 0 8px; font-size:13.5px; opacity:.94; line-height:1.7; }
.side-contact b{ font-size:24px; font-weight:800; letter-spacing:.5px; color:#FFD9B0; display:block; margin-bottom:4px; }
.side-contact .btn{ width:100%; margin-top:16px; background:var(--accent); color:#fff; border:0;
  box-shadow:0 8px 20px -8px rgba(221,117,28,.55); }
.side-contact .btn:hover{ background:#fff; color:var(--brand-700); }

/* 内容区标题 */
.panel-body{ padding:26px 28px 30px; }
.main-head{ display:flex; align-items:center; gap:12px; margin-bottom:26px; padding-bottom:15px; border-bottom:2px solid var(--ink-900); }
.main-head h2{ font-size:21px; margin:0; }
.main-head i{ width:4px; height:19px; border-radius:2px; background:var(--brand); }
.main-head span{ margin-left:auto; font-size:13px; color:var(--ink-400); }

/* 产品详情 */
.product-detail{ display:grid; grid-template-columns:460px 1fr; gap:40px; align-items:start; }
.pd-gallery__main{ border:1px solid var(--line); border-radius:var(--radius-lg); overflow:hidden; }
.pd-meta h1{ font-size:24px; margin-bottom:10px; }
.pd-meta__row{ display:flex; gap:8px; margin:14px 0; flex-wrap:wrap; }
.pd-meta__actions{ display:flex; gap:12px; margin-top:26px; flex-wrap:wrap; }
.pd-specs{ margin:20px 0 0; border:1px solid var(--line); border-radius:var(--radius-lg); overflow:hidden; }
.pd-specs div{ display:flex; border-bottom:1px solid var(--line); font-size:14px; }
.pd-specs div:last-child{ border-bottom:0; }
.pd-specs dt{ width:112px; flex:none; background:var(--bg-soft); padding:11px 16px; color:var(--ink-500); }
.pd-specs dd{ margin:0; padding:11px 16px; color:var(--ink-800); }

/* 详情正文 */
.detail-body{ padding:28px 0 0; }
.detail-title{ font-size:23px; line-height:1.45; margin-bottom:12px; }
.detail-meta{ display:flex; align-items:center; gap:20px; flex-wrap:wrap; padding:14px 0;
  border-top:1px solid var(--line); border-bottom:1px solid var(--line);
  font-size:13px; color:var(--ink-500); margin-bottom:26px; }
.detail-meta span{ display:inline-flex; align-items:center; gap:6px; }
.detail-meta svg{ width:14px; height:14px; stroke:var(--ink-400); fill:none; stroke-width:1.7; }
.detail-pager{ display:grid; grid-template-columns:1fr 1fr; gap:16px; margin-top:38px; padding-top:22px; border-top:1px solid var(--line); }
.detail-pager a{ display:block; font-size:14px; color:var(--ink-500); }
.detail-pager a:hover{ color:var(--brand); }
.detail-pager span{ display:block; font-size:12.5px; color:var(--ink-400); margin-bottom:4px; }
.detail-pager div:last-child{ text-align:right; }

/* 单页 */
.page-article{ padding:10px 0 30px; }
.page-article h1{ font-size:26px; text-align:center; margin-bottom:8px; }
.page-article__sub{ text-align:center; color:var(--ink-400); font-size:13.5px; margin-bottom:28px; }

/* 列表行 */
.row-list li{ border-bottom:1px dashed var(--line); }
.row-list a{ display:flex; align-items:center; gap:14px; padding:17px 4px; }
.row-list__dot{ width:6px; height:6px; border-radius:50%; background:var(--brand-100); flex:none; transition:.25s; }
.row-list a:hover .row-list__dot{ background:var(--brand); transform:scale(1.5); }
.row-list__title{ flex:1; font-size:15.5px; color:var(--ink-800); overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.row-list a:hover .row-list__title{ color:var(--brand); }
.row-list__date{ flex:none; font-size:13px; color:var(--ink-400); }

/* 分页 */
.pagination{ display:flex; align-items:center; justify-content:center; gap:8px; margin-top:44px; flex-wrap:wrap; }
.pagination a,.pagination span{ display:inline-flex; align-items:center; justify-content:center;
  min-width:38px; height:38px; padding:0 12px; border-radius:8px; border:1px solid var(--line);
  font-size:14px; color:var(--ink-700); background:#fff; }
.pagination a:hover{ border-color:var(--brand); color:var(--brand); }
.pagination .is-current{ background:var(--brand); border-color:var(--brand); color:#fff; font-weight:600; }
.pagination .disabled{ color:var(--ink-400); background:var(--bg-soft); cursor:not-allowed; }

/* 搜索框 */
.search-form{ display:flex; gap:10px; margin-bottom:30px; }
.search-form input{ flex:1; height:44px; padding:0 16px; border:1px solid var(--line); border-radius:8px; outline:none; }
.search-form input:focus{ border-color:var(--brand); box-shadow:0 0 0 3px var(--brand-100); }

/* ---------- 15. 表单 ---------- */
.form-grid{ display:grid; grid-template-columns:1fr 1fr; gap:18px; }
.form-item{ display:flex; flex-direction:column; gap:7px; }
.form-item--full{ grid-column:1 / -1; }
.form-item label{ font-size:14px; font-weight:600; color:var(--ink-800); }
.form-item label em{ color:var(--brand); font-style:normal; margin-left:3px; }
.form-item input,.form-item textarea,.form-item select{
  height:46px; padding:0 14px; border:1px solid var(--line); border-radius:8px; outline:none;
  background:#fff; transition:border-color .2s, box-shadow .2s; }
.form-item textarea{ height:auto; padding:12px 14px; resize:vertical; min-height:120px; line-height:1.7; }
.form-item input:focus,.form-item textarea:focus{ border-color:var(--brand); box-shadow:0 0 0 3px var(--brand-100); }
.form-item .code-row{ display:flex; gap:10px; }
.form-item .code-row img{ height:46px; border-radius:8px; cursor:pointer; border:1px solid var(--line); }
.form-notice{ margin-top:18px; padding:14px 18px; border-radius:10px; background:var(--brand-050);
  border:1px solid var(--brand-100); font-size:13.5px; color:var(--brand-700); }

/* 留言列表 */
.msg-item{ border:1px solid var(--line); border-radius:var(--radius-lg); padding:20px 22px; margin-bottom:16px; background:#fff; }
.msg-item__head{ display:flex; align-items:center; gap:12px; margin-bottom:10px; }
.msg-item__avatar{ width:38px; height:38px; border-radius:50%; background:var(--brand-050); color:var(--brand);
  display:flex; align-items:center; justify-content:center; font-weight:700; font-size:16px; flex:none; }
.msg-item__name{ font-weight:600; color:var(--ink-900); }
.msg-item__time{ font-size:12.5px; color:var(--ink-400); }
.msg-item p{ margin:0; color:var(--ink-700); }
.msg-item__reply{ margin-top:14px; padding:14px 16px; border-radius:10px; background:var(--bg-soft); border-left:3px solid var(--brand); }
.msg-item__reply span{ display:block; font-size:12.5px; color:var(--brand); font-weight:600; margin-bottom:5px; }

/* ---------- 16. 联系我们 ---------- */
.contact-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:22px; margin-bottom:44px; }
.contact-card{ background:#fff; border:1px solid var(--line); border-radius:var(--radius-lg); padding:28px 26px; transition:.3s; }
.contact-card:hover{ box-shadow:var(--shadow-md); transform:translateY(-4px); }
.contact-card__icon{ width:48px; height:48px; border-radius:12px; background:var(--brand-050);
  display:flex; align-items:center; justify-content:center; margin-bottom:16px; }
.contact-card__icon svg{ width:24px; height:24px; stroke:var(--brand); fill:none; stroke-width:1.6; }
.contact-card h3{ font-size:17px; margin-bottom:8px; }
.contact-card p{ margin:0; font-size:15px; color:var(--ink-700); line-height:1.75; word-break:break-all; }
.contact-card p b{ color:var(--accent); font-size:21px; letter-spacing:.5px; }
.contact-map{ border-radius:var(--radius-lg); overflow:hidden; border:1px solid var(--line); background:var(--bg-soft); }
.contact-map iframe{ width:100%; height:360px; border:0; display:block; }
.contact-map--empty{ height:360px; display:flex; flex-direction:column; align-items:center; justify-content:center; color:var(--ink-400); font-size:14px; gap:10px; }

/* ---------- 17. 浮动工具 / 返回顶部（参考 dth 工具栏：实色方块） ---------- */
.float-bar{ position:fixed; right:18px; bottom:90px; z-index:900; display:flex; flex-direction:column; gap:6px; }
.float-bar button{ width:48px; height:48px; border-radius:0; border:0; background:rgba(221,117,28,.9);
  color:#fff; cursor:pointer; display:flex; align-items:center; justify-content:center; position:relative; }
.float-bar button svg{ width:21px; height:21px; stroke:#fff; fill:none; stroke-width:1.7; }
.float-bar button:hover{ background:var(--brand); }
.float-bar__pop{ position:absolute; right:60px; top:0; background:#fff; border:1px solid var(--line);
  border-radius:10px; box-shadow:var(--shadow-lg); padding:14px; white-space:nowrap; font-size:13px;
  opacity:0; visibility:hidden; transform:translateX(8px); transition:.25s; color:var(--ink-700); }
.float-bar button:hover + .float-bar__pop{ opacity:1; visibility:visible; transform:none; }

/* 移动端底部操作条 */
.mobile-bar{ display:none; position:fixed; left:0; right:0; bottom:0; z-index:1000; background:#fff;
  border-top:1px solid var(--line); box-shadow:0 -4px 16px rgba(23,26,32,.06); }
.mobile-bar a{ flex:1; display:flex; align-items:center; justify-content:center; gap:7px; height:52px; font-size:14.5px; color:var(--ink-800); }
.mobile-bar a svg{ width:18px; height:18px; stroke:currentColor; fill:none; stroke-width:1.7; }
.mobile-bar a + a{ border-left:1px solid var(--line); }
.mobile-bar a.is-brand{ background:var(--accent); color:#fff; }

/* ---------- 18. 响应式 ---------- */
@media (max-width:1080px){
  :root{ --header-h:70px; }
  .hero__title{ font-size:38px; }
  .feature-strip__grid,.prod-grid,.case-grid,.cat-grid{ grid-template-columns:repeat(3,1fr); }
  .layout{ grid-template-columns:1fr; gap:30px; }
  .side{ position:static; }
  .product-detail{ grid-template-columns:1fr; gap:26px; }
  .footer__top{ grid-template-columns:1fr 1fr; gap:30px; }
}

@media (max-width:900px){
  .topbar{ display:none; }
  .header__cta{ display:none; }
  .nav{ display:none; }
  .nav-toggle{ display:block; }
  .mobile-nav{ display:block; position:fixed; inset:var(--header-h) 0 0; background:#fff; z-index:999;
    overflow-y:auto; padding:14px 20px 90px; transform:translateX(100%); transition:transform .3s ease; }
  .mobile-nav.is-open{ transform:none; }
  .mobile-nav__group{ border-bottom:1px solid var(--line); }
  .mobile-nav__group > a{ display:flex; align-items:center; justify-content:space-between;
    padding:16px 4px; font-size:16.5px; font-weight:600; color:var(--ink-900); }
  .mobile-nav__sub{ display:none; padding:0 0 12px; }
  .mobile-nav__group.is-open .mobile-nav__sub{ display:block; }
  .mobile-nav__sub a{ display:block; padding:11px 12px; font-size:15px; color:var(--ink-700);
    border-radius:8px; background:var(--bg-soft); margin-bottom:7px; }
  .mobile-nav__sub a.is-active{ background:var(--brand); color:#fff; }
  .mobile-nav__caret{ transition:transform .25s; }
  .mobile-nav__group.is-open .mobile-nav__caret{ transform:rotate(180deg); }
  .mobile-bar{ display:flex; }
  body{ padding-bottom:52px; }
  .float-bar{ bottom:76px; }
  .section{ padding:56px 0; }
  .hot-search{ padding:12px 0; }
  .hot-search__inner{ flex-wrap:wrap; gap:10px; }
  .hot-search__hot{ font-size:15px; }
  .hot-search__tags{ width:100%; order:3; gap:8px 16px; }
  .hot-search__tags a{ font-size:13.5px; }
  .hot-search__form{ width:100%; order:2; }
  .hot-search__form input[type=text]{ height:40px; }
  .hot-search__form input[type=submit]{ height:40px; }
  .hero__slide img{ height:auto; }
  .hero__title{ font-size:31px; }
  .hero__desc{ font-size:15px; }
  .hero__text h2{ font-size:30px; }
  .hero__text p{ font-size:15px; }
  .feature-strip{ margin-top:0; }
  .feature-strip__grid{ grid-template-columns:1fr 1fr; }
  .prod-grid,.case-grid,.cat-grid{ grid-template-columns:1fr 1fr; gap:16px; }
  .prod-grid--3{ grid-template-columns:1fr 1fr; }
  .about-grid,.news-grid{ grid-template-columns:1fr; gap:34px; }
  .about-stats{ grid-template-columns:repeat(3,1fr); }
  .cta-band__inner{ flex-direction:column; text-align:center; }
  .form-grid{ grid-template-columns:1fr; }
  .contact-grid{ grid-template-columns:1fr; }
  .detail-pager{ grid-template-columns:1fr; }
  .detail-pager div:last-child{ text-align:left; }
  .footer__top{ grid-template-columns:1fr; padding:44px 0 32px; }
  .footer__bottom .container{ justify-content:center; text-align:center; }
  .sec-head__title{ font-size:25px; }
  .sec-head{ margin-bottom:36px; }
}

@media (max-width:560px){
  .container{ padding:0 16px; }
  .prod-grid,.case-grid,.cat-grid,.feature-strip__grid{ grid-template-columns:1fr; }
  .prod-grid--3{ grid-template-columns:1fr; }
  .about-stats{ grid-template-columns:1fr 1fr; }
  .hero__slide img{ height:360px; }
  .hero__title{ font-size:26px; }
  .hero__actions .btn{ width:100%; }
  .page-hero img{ height:170px; }
  .page-hero h1{ font-size:24px; }
  .logo img{ height:40px; }
  .logo__cn{ font-size:19px; }
  .main-head span{ display:none; }
}

/* ---------- 19. 打印 ---------- */
@media print{
  .site-header,.site-footer,.float-bar,.mobile-bar,.topbar,.hero__arrow,.hero__dots{ display:none !important; }
  body{ padding:0; }
}

/* =========================================================
   20. 首页参考版式（dth：assembly / product / case / service / about / news）
   ========================================================= */

/* --- 20.1 公司实力 assembly --- */
.asm{ padding:72px 0 78px; overflow:hidden; }
.asm__inner{ display:flex; justify-content:space-between; gap:56px; }
.asm__left{ width:48.3%; }
.asm__tit{ margin:26px 0 0; font-size:36px; line-height:1.28; color:var(--ink-900); }
.asm__text{ margin-top:1.1em; font-size:17px; line-height:1.89; color:var(--ink-700); text-align:justify; }
.asm__text p{ margin:0; }
.asm__uls{ margin-top:44px; }
.asm__uls ul{ display:flex; gap:0; list-style:none; margin:0; padding:0; }
.asm__uls li{ margin-right:6.6%; }
.asm__uls li:last-child{ margin-right:0; }
.asm__uls li a{ display:flex; flex-flow:column; align-items:center; justify-content:center; gap:10px;
  width:112px; height:112px; background:#fff; border:1px dashed #e3e3e3; border-radius:10px; transition:.3s ease; }
.asm__uls li:hover a{ border-color:var(--brand); background:var(--brand); }
.asm__uls .imgs{ width:36px; height:36px; }
.asm__uls .imgs svg{ width:100%; height:100%; stroke:var(--brand); fill:none; stroke-width:1.5; transition:.3s ease; }
.asm__uls li:hover .imgs svg{ stroke:#fff; }
.asm__uls h4{ margin:0; font-size:15px; font-weight:400; color:var(--ink-900); white-space:nowrap; transition:.3s ease; }
.asm__uls li:hover h4{ color:#fff; }
.asm__right{ width:43.7%; }
.asm__right img{ width:100%; aspect-ratio:656/446; object-fit:cover; border-radius:10px;
  border:1px solid #fff; box-shadow:0 0 24px rgba(0,114,187,.12); }

/* --- 20.2 产品中心 prdref（背景图 + 白卡 4 列） --- */
.prdref{ padding:64px 0 70px; background-repeat:no-repeat; background-position:center; background-size:cover; position:relative; }
.prdref::before{ content:''; position:absolute; inset:0; background:rgba(248,250,252,.9); }
.prdref > .container{ position:relative; z-index:2; }
.prdref__uls{ margin-top:40px; }
/* 参考模式：分类标签行 + 8 图直连分类列表 */
.prdref__tabs{ margin-top:38px; text-align:center; }
.prdref__tabs ul{ display:flex; flex-wrap:wrap; justify-content:center; gap:12px; list-style:none; margin:0; padding:0; }
.prdref__tabs a{ display:block; padding:9px 20px; border-radius:6px; background:var(--brand); color:#fff;
  font-size:15px; white-space:nowrap; transition:.3s ease; }
.prdref__tabs a:hover{ background:var(--brand-700); transform:translateY(-2px); }
.prdref__grid{ margin-top:30px; }
.prdref__grid ul{ display:grid; grid-template-columns:repeat(4,1fr); gap:16px; list-style:none; margin:0; padding:0; }
.prdref__grid li{ width:auto; margin:0; }
.prdref__grid a{ display:block; background:#fff; border:1px solid #E2E8F0; transition:.3s; }
.prdref__grid a:hover{ border-color:var(--brand); box-shadow:0 10px 24px rgba(0,114,187,.14); transform:translateY(-3px); }
.prdref__grid img{ width:100%; aspect-ratio:4/3; object-fit:cover; display:block; transition:transform .4s ease; }
.prdref__grid a:hover img{ transform:scale(1.05); }
.prdref__grid b{ display:block; text-align:center; padding:11px 8px 12px; font-size:15px; font-weight:600;
  color:var(--ink-900); border-top:1px solid #EDF1F6; line-height:1.4; }
.prdref__grid a:hover b{ color:var(--brand); }
@media (max-width:900px){
  .prdref__grid ul{ grid-template-columns:repeat(2,1fr); gap:12px; }
}
.prdref__uls ul{ display:flex; flex-wrap:wrap; list-style:none; margin:0; padding:0 30px; }
.prdref__uls li{ width:24%; margin-right:calc(4% / 3); }
.prdref__uls li:nth-child(4n){ margin-right:0; }
.prdref__uls li:nth-child(n+5){ margin-top:18px; }
.prdref__uls li a{ display:block; padding:12px 12px 4px; background:#fff; border:1px solid #ebebeb; transition:.3s ease; }
.prdref__uls .imgs{ aspect-ratio:424/280; overflow:hidden; }
.prdref__uls .imgs img{ width:100%; height:100%; object-fit:cover; transition:.45s ease; }
.prdref__uls li:hover .imgs img{ transform:scale(1.06); }
.prdref__uls .text{ text-align:center; padding:16px 10px 14px; }
.prdref__uls .text h4{ margin:0; font-size:18px; font-weight:700; color:var(--ink-800);
  overflow:hidden; text-overflow:ellipsis; white-space:nowrap; transition:.3s ease; }
.prdref__uls li:hover a{ border-color:#bfdff3; box-shadow:0 10px 24px -10px rgba(0,114,187,.25); transform:translateY(-5px); }
.prdref__uls li:hover .text h4{ color:var(--brand); }

/* --- 20.3 设备实力 eqref（case：左大图联动 + 右列表 + 电话条） --- */
.eqref{ padding:70px 0 80px; }
.eqref__cont{ display:flex; justify-content:space-between; align-items:stretch; gap:0; margin-top:40px; }
.eqref__left{ flex-grow:1; position:relative; }
.eqref__left ul{ list-style:none; margin:0; padding:0; height:100%; }
.eqref__left li{ position:absolute; inset:0; opacity:0; visibility:hidden; transition:.3s ease; }
.eqref__left li.curs{ position:relative; opacity:1; visibility:visible; }
.eqref__left li img{ width:100%; height:100%; aspect-ratio:1054/604; object-fit:cover; display:block; }
.eqref__right{ width:446px; flex:none; display:flex; flex-direction:column; }
.eqref__right > ul{ list-style:none; margin:0; padding:0; flex-grow:1; }
.eqref__right li a{ display:flex; align-items:center; justify-content:space-between;
  background:#f9f9f9; padding:22px; border-bottom:2px solid #eee; position:relative; transition:.3s ease; }
.eqref__right li:last-child a{ border-bottom:none; }
.eqref__right li a::before{ content:''; position:absolute; right:100%; top:50%; margin-top:-19px;
  border-top:19px solid transparent; border-bottom:19px solid transparent; border-right:18px solid var(--brand);
  opacity:0; visibility:hidden; transition:.3s ease; }
.eqref__right li.curs a{ background:var(--brand); }
.eqref__right li.curs a::before{ opacity:1; visibility:visible; }
.eqref__right .text{ flex-grow:1; text-align:right; }
.eqref__right .text h3{ margin:0; font-size:20px; font-weight:400; color:var(--ink-800);
  overflow:hidden; text-overflow:ellipsis; white-space:nowrap; transition:.3s ease; }
.eqref__right .text h5{ margin:6px 0 0; font-size:14px; font-weight:400; color:#888;
  overflow:hidden; text-overflow:ellipsis; white-space:nowrap; transition:.3s ease; }
.eqref__right li.curs h3, .eqref__right li.curs h5{ color:#fff; }
.eqref__right .imgs{ width:140px; flex:none; border:1px solid #fff; margin-left:8%; }
.eqref__right .imgs img{ width:100%; aspect-ratio:1054/604; object-fit:cover; display:block; }
.eqref__tel{ background:#eee; padding:26px 34px; display:flex; align-items:center; gap:18px; }
.eqref__tel .tis{ font-size:17px; color:#666; padding-left:46px; position:relative; flex:none; }
.eqref__tel .tis::before{ content:''; position:absolute; left:0; top:50%; transform:translateY(-50%);
  width:34px; height:34px; border-radius:50%; background:var(--brand);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='1.8'%3E%3Cpath d='M22 16.9v3a2 2 0 0 1-2.2 2 19.8 19.8 0 0 1-8.6-3.1 19.5 19.5 0 0 1-6-6A19.8 19.8 0 0 1 2.1 4.2 2 2 0 0 1 4.1 2h3a2 2 0 0 1 2 1.7c.1 1 .4 2 .7 2.9a2 2 0 0 1-.4 2.1L8.1 10a16 16 0 0 0 6 6l1.3-1.3a2 2 0 0 1 2.1-.4c.9.3 1.9.6 2.9.7a2 2 0 0 1 1.7 2Z'/%3E%3C/svg%3E");
  background-repeat:no-repeat; background-position:center; background-size:18px; }
.eqref__tel .tel p{ margin:0; font-size:30px; font-weight:800; color:var(--accent); letter-spacing:.5px; white-space:nowrap; }

/* --- 20.4 完善服务 svref（深色背景 + 白卡） --- */
.svref{ padding:64px 0 76px; background-repeat:no-repeat; background-position:center; background-size:cover; position:relative; }
.svref::before{ content:''; position:absolute; inset:0; background:rgba(13,32,48,.82); }
.svref > .container{ position:relative; z-index:2; }
.sec-head--light .sec-head__title, .sec-head--light .sec-head__sub{ color:#fff; }
.sec-head--light .sec-head__sub{ color:rgba(255,255,255,.78); }
.svref__uls{ margin-top:44px; }
.svref__uls ul{ display:flex; justify-content:space-between; align-items:stretch; gap:2%; list-style:none; margin:0; padding:0; }
.svref__uls li{ width:23.5%; }
.svref__uls li a{ display:block; height:100%; background:#fff; border-radius:20px; padding:34px 28px 30px; transition:.5s ease; }
.svref__uls li:hover a{ transform:translateY(-8px); }
.svref__uls .imgs{ width:88px; margin:0 auto; }
.svref__uls .imgs svg{ width:100%; height:100%; stroke:var(--brand); fill:none; stroke-width:1.4; }
.svref__uls .text{ text-align:center; }
.svref__uls .text h4{ margin:16px 0 0; font-size:22px; color:var(--ink-900); transition:.5s ease; }
.svref__uls li:hover .text h4{ color:var(--brand); }
.svref__uls .text .sums{ margin-top:12px; font-size:15px; line-height:1.7; color:#5c5c5c;
  display:-webkit-box; -webkit-line-clamp:4; -webkit-box-orient:vertical; overflow:hidden; }

/* --- 20.5 公司简介 abref（左文右图 + 计数卡） --- */
.abref{ padding:76px 0 80px; background:#fff; position:relative; }
.abref > .container{ position:relative; z-index:2; }
.abref__top{ display:flex; justify-content:space-between; align-items:flex-start; gap:60px; }
.abref__left{ width:42.7%; }
.abref__left h3{ margin:0; font-size:18px; font-weight:700; color:var(--brand); display:flex; align-items:center; }
.abref__left h3::before{ content:''; width:44px; height:2px; background:var(--brand); margin-right:22px; }
.abref__left h4{ margin:8px 0 0; font-size:40px; line-height:1.4; color:var(--ink-900); }
.abref__wz{ margin-top:22px; font-size:17px; line-height:2; color:var(--ink-700); text-align:justify; }
.abref__wz p{ margin:0; }
.abref__more{ display:inline-flex; align-items:center; justify-content:center; gap:14px;
  margin-top:34px; width:180px; line-height:3.4; font-size:16px; color:#fff;
  background:var(--brand); border-radius:3px; transition:.3s ease; }
.abref__more:hover{ background:#009bff; color:#fff; }
.abref__right{ width:50.3%; }
.abref__right img{ width:100%; display:block; }
.abref__bot{ margin-top:48px; }
.abref__bot ul{ display:flex; justify-content:space-between; gap:2%; list-style:none; margin:0; padding:0; }
.abref__bot li{ width:23.5%; }
.abref__bot .card{ display:flex; align-items:center; justify-content:space-between; height:100%;
  background:#F0F5FA; border:1px solid #E2EAF3; padding:26px 26px; transition:.3s ease; cursor:pointer; }
.abref__bot li:hover .card{ background:var(--brand); }
.abref__bot .imgs{ width:52px; height:52px; flex:none; }
.abref__bot .imgs svg{ width:100%; height:100%; stroke:var(--brand); fill:none; stroke-width:1.5; transition:.3s ease; }
.abref__bot li:hover .imgs svg{ stroke:#fff; }
.abref__bot .text{ text-align:right; margin-left:10px; }
.abref__bot .text h3{ margin:0; font-family:Arial, Helvetica, sans-serif; font-size:44px; line-height:1;
  font-weight:700; color:var(--ink-900); transition:.3s ease; }
.abref__bot .text h3 i{ font-style:normal; font-size:22px; margin-left:2px; }
.abref__bot .text h4{ margin:6px 0 0; font-size:15px; font-weight:400; color:#666; transition:.3s ease; }
.abref__bot li:hover .text h3, .abref__bot li:hover .text h4{ color:#fff; }

/* --- 20.6 新闻中心 nwref（大卡 + 三卡日期条） --- */
.nwref{ padding:74px 0 84px; }
.nwref__top{ margin-top:40px; background:#fff url('../images/bg-about.jpg') no-repeat right bottom / cover;
  box-shadow:0 0 20px 20px rgba(0,0,0,.02); position:relative; }
.nwref__top::before{ content:''; position:absolute; inset:0; background:rgba(255,255,255,.94); }
.nwref__top > a{ position:relative; z-index:2; display:flex; justify-content:space-between; align-items:flex-start;
  gap:36px; padding:36px 34px; }
.nwref__top .imgs{ width:490px; flex:none; }
.nwref__top .imgs img{ width:100%; aspect-ratio:490/292; object-fit:cover; display:block; }
.nwref__top .text{ flex-grow:1; padding-top:8px; }
.nwref__top .text h4{ margin:0; font-size:24px; font-weight:700; color:var(--ink-900);
  overflow:hidden; text-overflow:ellipsis; white-space:nowrap; transition:.3s ease; }
.nwref__top > a:hover .text h4{ color:var(--brand); }
.nwref__top .text .sums{ margin-top:14px; font-size:16px; line-height:1.75; color:#888; text-align:justify;
  display:-webkit-box; -webkit-line-clamp:3; -webkit-box-orient:vertical; overflow:hidden; }
.nwref__top .text .btns{ display:inline-block; width:118px; line-height:2.6; margin-top:22px;
  font-size:14px; color:#fff; background:var(--brand); border-radius:3px; text-align:center; }
.nwref__bot{ margin-top:32px; }
.nwref__bot ul{ display:flex; justify-content:space-between; gap:3%; list-style:none; margin:0; padding:0; }
.nwref__bot li{ width:31.4%; }
.nwref__bot li a{ display:block; background:#fff; border:1px solid #f0f0f0; transition:.3s ease; height:100%; }
.nwref__bot li:hover a{ border-color:#bfdff3; box-shadow:0 10px 24px -12px rgba(0,114,187,.2); }
.nwref__bot .text{ padding:26px 24px 22px; }
.nwref__bot .text h4{ margin:0; font-size:19px; font-weight:700; color:var(--ink-900);
  overflow:hidden; text-overflow:ellipsis; white-space:nowrap; transition:.3s ease; }
.nwref__bot li:hover .text h4{ color:var(--brand); }
.nwref__bot .text .sums{ margin-top:12px; font-size:14.5px; line-height:1.72; color:#888; height:5.2em;
  display:-webkit-box; -webkit-line-clamp:3; -webkit-box-orient:vertical; overflow:hidden; }
.nwref__bot .tims{ background:#f0f0f0; display:flex; justify-content:space-between; align-items:center;
  font-size:15px; color:var(--ink-800); padding:8px 24px; transition:.3s ease; margin:-1px; }
.nwref__bot .tims p{ margin:0; }
.nwref__bot .tims .jt{ color:var(--ink-500); transition:.3s ease; }
.nwref__bot li:hover .tims{ background:var(--brand); color:#fff; }
.nwref__bot li:hover .tims .jt{ color:#fff; }

/* --- 20.7 响应式 --- */
@media (max-width:1200px){
  .asm__tit{ font-size:27px; }
  .asm__uls{ margin-top:30px; }
  .asm__uls li a{ width:90px; height:90px; }
  .eqref__right{ width:380px; }
  .eqref__right li a{ padding:14px; }
  .eqref__right .imgs{ width:110px; }
  .eqref__tel .tel p{ font-size:22px; }
  .svref__uls ul{ display:grid; grid-template-columns:1fr 1fr; gap:16px; }
  .svref__uls li{ width:auto !important; margin-top:0 !important; }
  .abref__left h4{ font-size:30px; }
  .abref__bot .text h3{ font-size:36px; }
}
@media (max-width:990px){
  .asm__inner, .abref__top{ flex-flow:column-reverse; }
  .asm__left, .asm__right, .abref__left, .abref__right{ width:100%; }
  .asm__left{ margin-top:22px; }
  .eqref__cont{ flex-flow:column; }
  .eqref__right{ width:100%; margin-top:20px; }
  .svref__uls ul{ grid-template-columns:1fr; gap:14px; }
  .abref__bot ul{ flex-wrap:wrap; }
  .abref__bot li{ width:48.5%; }
  .abref__bot li:nth-child(n+3){ margin-top:14px; }
  .nwref__top > a{ flex-flow:column; }
  .nwref__top .imgs{ width:100%; }
  .nwref__bot ul{ flex-wrap:wrap; }
  .nwref__bot li{ width:100%; }
  .nwref__bot li + li{ margin-top:14px; }
  .prdref__uls li{ width:48.5%; margin-right:0; }
  .prdref__uls li:nth-child(n+3){ margin-top:14px; }
}

/* --- 20.8 小屏修正（≤560px） --- */
@media (max-width:560px){
  .eqref__right{ width:100%; }
  .eqref__right li a{ padding:12px; }
  .eqref__right .imgs{ width:88px; }
  .eqref__tel{ padding:18px 20px; flex-wrap:wrap; gap:12px; }
  .eqref__tel .tis{ padding-left:38px; }
  .eqref__tel .tis::before{ width:28px; height:28px; background-size:15px; }
  .eqref__tel .tel p{ font-size:24px; }
}

/* --- 20.9 关于/服务单页板式 --- */
.rich .lead{ font-size:16.5px; line-height:1.9; color:var(--ink-900); background:var(--bg-soft); border-left:3px solid var(--brand); padding:14px 18px; border-radius:0 var(--radius) var(--radius) 0; }
.rich h3{ display:flex; align-items:center; gap:10px; margin:30px 0 12px; font-size:18px; color:var(--ink-900); }
.rich h3::before{ content:""; width:4px; height:17px; border-radius:2px; background:var(--brand); }
.rich p{ line-height:1.85; color:var(--ink-700); text-align:justify; }
.rich .facts{ display:grid; grid-template-columns:repeat(4,1fr); gap:12px; margin:20px 0 6px; }
.rich .facts>div{ background:var(--bg-soft); border:1px solid var(--line); border-radius:var(--radius); text-align:center; padding:16px 8px 13px; transition:.25s; }
.rich .facts>div:hover{ border-color:var(--brand); background:#fff; box-shadow:0 6px 18px rgba(0,114,187,.10); }
.rich .facts b{ display:block; font-size:26px; color:var(--brand); line-height:1.2; }
.rich .facts span{ display:block; margin-top:5px; font-size:13px; color:var(--ink-500); }
.rich .svc-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:14px; margin:18px 0; }
.rich .svc-card{ border:1px solid var(--line); border-top:3px solid var(--brand); border-radius:var(--radius); padding:18px 18px 14px; background:#fff; transition:.25s; }
.rich .svc-card:hover{ box-shadow:0 8px 22px rgba(0,114,187,.12); transform:translateY(-3px); }
.rich .svc-card h4{ display:flex; align-items:center; gap:10px; margin:0 0 12px; font-size:16.5px; color:var(--ink-900); }
.rich .svc-card h4 i{ font-style:normal; width:30px; height:30px; border-radius:6px; background:var(--brand); color:#fff; font-size:14px; display:flex; align-items:center; justify-content:center; }
.rich .svc-card ol{ margin:0; padding-left:1.5em; list-style:decimal; }
.rich .svc-card li{ margin-bottom:7px; font-size:14.5px; line-height:1.7; color:var(--ink-700); }
.rich .svc-note{ margin-top:18px; background:#FFF7EE; border:1px solid #F5D9B8; border-left:3px solid var(--accent); border-radius:var(--radius); padding:15px 18px; }
.rich .svc-note b{ display:flex; align-items:center; gap:8px; font-size:15.5px; color:var(--accent); margin-bottom:8px; }
.rich .svc-note b::before{ content:"!"; width:18px; height:18px; border-radius:50%; background:var(--accent); color:#fff; font-size:12px; display:inline-flex; align-items:center; justify-content:center; }
.rich .svc-note ul{ margin:0; padding-left:1.4em; list-style:disc; }
.rich .svc-note li{ font-size:14.5px; line-height:1.8; color:var(--ink-700); }
@media (max-width:900px){
  .rich .facts{ grid-template-columns:repeat(2,1fr); }
  .rich .svc-grid{ grid-template-columns:1fr; }
  .rich .lead{ font-size:15px; }
}
.page-cta{ margin-top:26px; background:var(--bg-soft); border:1px dashed var(--brand); border-radius:var(--radius); padding:16px 20px; display:flex; align-items:center; gap:16px; flex-wrap:wrap; }
.page-cta p{ margin:0; flex:1; min-width:200px; font-size:14.5px; }
.page-cta a{ flex-shrink:0; background:var(--brand); color:#fff; font-size:14.5px; padding:9px 22px; border-radius:99px; transition:.25s; }
.page-cta a:hover{ background:var(--accent); color:#fff; }
.page-cta a i{ font-style:normal; margin-left:6px; }