:root{
  --ink:#2A221E;
  --primary:#A0522D;
  --primary-2:#C06A38;
  --accent:#6B5A4A;
  --bg:#F6F1EA;
  --bg-alt:#EEE6DB;
  --line:#E0D4C4;
  --heading:#2E241E;
  --muted:#73635A;
  --radius:10px;
  --shadow:0 12px 28px rgba(42,34,30,.10);
  --gradient:linear-gradient(135deg,#A0522D,#6B5A4A);
  --maxw:1160px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
h1,h2,h3,h4{color:var(--heading);line-height:1.3;margin:0 0 .5em}
h1{font-size:clamp(28px,4vw,44px)}
h2{font-size:clamp(22px,3vw,32px)}
h3{font-size:18px}
p{margin:0 0 1em}

/* ===== 顶栏 + 导航 ===== */
.dz-topbar{position:sticky;top:0;z-index:50;background:rgba(246,241,234,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.dz-topbar__inner{max-width:var(--maxw);margin:0 auto;padding:10px 18px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.dz-brand{display:flex;align-items:center;gap:10px;min-width:0}
.dz-brand__logo{height:34px;width:auto;border-radius:6px}
.dz-brand__name{font-weight:800;color:var(--heading);font-size:17px;white-space:nowrap}
.dz-brand__phone{color:var(--muted);font-size:13px;white-space:nowrap}
.dz-brand__phone b{color:var(--primary);font-size:15px}
.dz-burger{display:none;flex-direction:column;gap:4px;width:42px;height:38px;border:1px solid var(--line);border-radius:8px;background:#fff;cursor:pointer;align-items:center;justify-content:center}
.dz-burger span{width:20px;height:2px;background:var(--ink);border-radius:2px}
.dz-nav{border-bottom:1px solid var(--line);background:#fff}
.dz-nav__inner{max-width:var(--maxw);margin:0 auto;display:flex;flex-wrap:wrap;gap:4px;padding:0 18px}
.dz-nav__link{padding:13px 16px;font-size:15px;color:var(--accent);position:relative;font-weight:600}
.dz-nav__link:hover,.dz-nav__link--on{color:var(--primary)}
.dz-nav__link--on::after{content:"";position:absolute;left:16px;right:16px;bottom:6px;height:3px;border-radius:3px;background:var(--gradient)}

/* ===== 移动抽屉 ===== */
.dz-drawer{position:fixed;top:0;right:0;height:100%;width:min(82vw,320px);background:var(--bg);z-index:80;transform:translateX(105%);transition:transform .3s ease;box-shadow:var(--shadow);display:flex;flex-direction:column}
.dz-drawer.is-open{transform:translateX(0)}
.dz-drawer__head{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;border-bottom:1px solid var(--line);background:var(--gradient);color:#fff}
.dz-drawer__title{font-weight:700}
.dz-drawer__close{background:transparent;border:0;color:#fff;font-size:26px;line-height:1;cursor:pointer}
.dz-drawer__nav{display:flex;flex-direction:column;padding:10px 0;overflow:auto}
.dz-drawer__link{padding:13px 20px;color:var(--ink);font-weight:600;border-left:4px solid transparent}
.dz-drawer__link--on,.dz-drawer__link:hover{border-left-color:var(--primary);color:var(--primary);background:var(--bg-alt)}
.dz-drawer__tel{margin:auto 18px 20px;padding:12px;text-align:center;background:var(--primary);color:#fff;border-radius:var(--radius);font-weight:700}
.dz-scrim{position:fixed;inset:0;background:rgba(42,34,30,.45);z-index:70;opacity:0;visibility:hidden;transition:opacity .3s}
.dz-scrim.is-open{opacity:1;visibility:visible}
body.dz-noscroll{overflow:hidden}

.dz-content{display:block}

/* ===== 通用区块 ===== */
.dz-sec{padding:62px 18px}
.dz-sec--alt{background:var(--bg-alt)}
.dz-sec--band{background:var(--gradient);color:#fff}
.dz-sec--band h2,.dz-sec--band h3{color:#fff}
.dz-sec--band .dz-sec__lead{color:rgba(255,255,255,.85)}
.dz-sec__inner{max-width:var(--maxw);margin:0 auto}
.dz-sec__head{text-align:center;max-width:760px;margin:0 auto 38px}
.dz-sec__head--center{text-align:center}
.dz-sec__eyebrow{display:inline-block;font-size:13px;letter-spacing:.18em;color:var(--primary);font-weight:700;text-transform:uppercase;margin-bottom:10px}
.dz-sec--band .dz-sec__eyebrow{color:#f3d9c4}
.dz-sec__title{margin-bottom:12px}
.dz-sec__lead{color:var(--muted);font-size:16px}
.dz-sec__more{display:inline-block;margin-top:14px;color:var(--primary);font-weight:700}
.dz-btn{display:inline-block;padding:12px 22px;border-radius:var(--radius);font-weight:700;transition:transform .15s,box-shadow .15s;cursor:pointer;border:1px solid transparent}
.dz-btn--lg{padding:15px 30px;font-size:17px}
.dz-btn--primary{background:var(--primary);color:#fff}
.dz-btn--primary:hover{background:var(--primary-2);box-shadow:var(--shadow);transform:translateY(-2px)}
.dz-btn--outline{background:transparent;border-color:var(--primary);color:var(--primary)}
.dz-btn--ghost{background:rgba(255,255,255,.15);color:#fff;border-color:rgba(255,255,255,.5)}
.dz-btn--light{background:#fff;color:var(--primary)}

/* ===== 磁贴墙 Hero ===== */
.dz-hero{background:var(--gradient);color:#fff;padding:44px 18px 52px}
.dz-hero__inner{max-width:var(--maxw);margin:0 auto}
.dz-hero__lead{font-size:13px;letter-spacing:.18em;text-transform:uppercase;color:#f3d9c4;margin-bottom:14px;display:block}
.dz-hero__title{color:#fff;font-size:clamp(26px,4.4vw,46px);margin-bottom:14px}
.dz-hero__title em{color:#f0c19a;font-style:normal}
.dz-hero__sub{color:rgba(255,255,255,.9);font-size:17px;max-width:640px}
.dz-hero__meta{margin-top:10px;color:#f3d9c4;font-size:14px}
.dz-hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:22px}
.dz-tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:34px}
.dz-tile{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);border-radius:var(--radius);padding:22px 18px;color:#fff;display:flex;flex-direction:column;gap:8px;transition:transform .15s,background .15s}
.dz-tile:hover{transform:translateY(-4px);background:rgba(255,255,255,.2)}
.dz-tile--wide{grid-column:span 2}
.dz-tile__k{font-size:13px;color:#f3d9c4;letter-spacing:.08em}
.dz-tile__t{font-size:19px;font-weight:800}
.dz-tile__d{font-size:14px;color:rgba(255,255,255,.82)}
.dz-tile__go{margin-top:auto;font-weight:700;color:#fff}

/* ===== 大数字 stat ===== */
.dz-stats{background:var(--ink);color:#fff;padding:48px 18px}
.dz-stats__inner{max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.dz-stat__num{font-size:clamp(30px,4vw,46px);font-weight:900;color:#E6A96B;line-height:1}
.dz-stat__num small{font-size:18px;font-weight:700;margin-left:2px}
.dz-stat__label{margin-top:8px;color:rgba(255,255,255,.78);font-size:14px}

/* ===== 引用条 ===== */
.dz-quote{background:var(--bg-alt);border-left:5px solid var(--primary);padding:24px 26px;margin:26px 0;border-radius:0 var(--radius) var(--radius) 0}
.dz-quote p{margin:0;font-size:17px;color:var(--heading);font-style:italic}
.dz-quote cite{display:block;margin-top:10px;font-style:normal;color:var(--muted);font-size:14px}

/* ===== 关于 ===== */
.dz-about{display:grid;grid-template-columns:1.4fr .9fr;gap:36px;align-items:center}
.dz-about__full{color:var(--ink);font-size:15px;max-height:170px;overflow:hidden;transition:max-height .3s ease;position:relative}
.dz-about__full.is-open{max-height:2000px}
.dz-about__full.is-clamped::after{content:"";position:absolute;left:0;right:0;bottom:0;height:46px;background:linear-gradient(transparent,var(--bg))}
.dz-about__toggle{margin:14px 0}
.dz-about__btn{background:transparent;border:1px solid var(--primary);color:var(--primary);padding:9px 18px;border-radius:var(--radius);cursor:pointer;font-weight:700}
.dz-about__media img{border-radius:var(--radius);box-shadow:var(--shadow)}

/* ===== 时间线产品（竖向节点） ===== */
.dz-timeline{position:relative;max-width:820px;margin:0 auto;padding-left:30px}
.dz-timeline::before{content:"";position:absolute;left:9px;top:6px;bottom:6px;width:3px;background:var(--line);border-radius:3px}
.dz-node{position:relative;padding:0 0 26px 26px}
.dz-node::before{content:"";position:absolute;left:-26px;top:4px;width:18px;height:18px;border-radius:50%;background:var(--primary);border:4px solid #fff;box-shadow:0 0 0 2px var(--primary)}
.dz-node__t{font-size:18px;font-weight:800;color:var(--heading)}
.dz-node__d{color:var(--muted);font-size:15px}

/* ===== 横向服务流程 ===== */
.dz-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.dz-flow__item{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);border-radius:var(--radius);padding:22px 18px;color:#fff}
.dz-flow__num{font-size:13px;letter-spacing:.1em;color:#f3d9c4;font-weight:700}
.dz-flow__title{color:#fff;margin:8px 0 6px}
.dz-flow__desc{color:rgba(255,255,255,.82);font-size:14px}

/* ===== 卡片网格 ===== */
.dz-grid{display:grid;gap:18px}
.dz-grid--3{grid-template-columns:repeat(3,1fr)}
.dz-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.dz-card__icon{width:46px;height:46px;color:var(--primary);margin-bottom:12px}
.dz-card__icon svg{width:100%;height:100%}
.dz-card__title{font-weight:800;margin-bottom:8px}
.dz-card__desc{color:var(--muted);font-size:15px}

/* ===== FAQ ===== */
.dz-faq{max-width:860px;margin:0 auto;display:grid;gap:12px}
.dz-faq__item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:0 18px;box-shadow:var(--shadow)}
.dz-faq__item summary{cursor:pointer;padding:16px 0;font-weight:700;color:var(--heading);list-style:none;position:relative;padding-right:28px}
.dz-faq__item summary::-webkit-details-marker{display:none}
.dz-faq__item summary::after{content:"+";position:absolute;right:0;top:14px;font-size:22px;color:var(--primary);font-weight:700}
.dz-faq__item[open] summary::after{content:"−"}
.dz-faq__body{padding:0 0 16px;color:var(--muted);font-size:15px}

/* ===== 分站互联 ===== */
.dz-citylinks{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px;max-width:var(--maxw);margin:0 auto}
.dz-citylinks__item{background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;display:flex;flex-direction:column;gap:4px;transition:transform .15s}
.dz-citylinks__item:hover{transform:translateY(-3px);border-color:var(--primary)}
.dz-citylinks__item--cur{background:var(--gradient);color:#fff;border-color:transparent}
.dz-citylinks__item--cur .dz-citylinks__site{color:rgba(255,255,255,.85)}
.dz-citylinks__region{font-size:16px;font-weight:800}
.dz-citylinks__site{font-size:13px;color:var(--muted)}

/* ===== 新闻 ===== */
.dz-news{display:grid;gap:12px}
.dz-wide{grid-column:span 2}
.dz-showcase{margin-top:30px}
.dz-showcase__cap{margin-top:10px;font-weight:700;color:var(--heading)}
.dz-sec__cta--mt{margin-top:18px}
.dz-news__item{display:flex;justify-content:space-between;gap:14px;padding:14px 0;border-bottom:1px dashed var(--line)}
.dz-news__link{color:var(--heading);font-weight:600}
.dz-news__link:hover{color:var(--primary)}
.dz-news__date{color:var(--muted);font-size:13px;white-space:nowrap}
.dz-featured{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.dz-featured__title{font-size:20px;margin-bottom:8px}
.dz-featured__meta{color:var(--muted);font-size:13px;margin-bottom:12px}
.dz-featured__body{color:var(--ink);font-size:15px}
.dz-featured__more,.dz-news__more{display:inline-block;margin-top:12px;color:var(--primary);font-weight:700}

/* ===== 联系 CTA ===== */
.dz-cta{text-align:center}
.dz-cta__phone{display:inline-block;font-size:clamp(28px,5vw,44px);font-weight:900;color:var(--primary);margin:8px 0 18px}
.dz-cta__actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.dz-cta__actions--left{justify-content:flex-start}
.dz-input{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;font:inherit;background:#fff;color:var(--ink)}
.dz-field{display:block;margin-top:14px}
.dz-btn--mt{margin-top:16px}

/* ===== 底部 ===== */
.dz-city{background:var(--bg-alt);border-top:1px solid var(--line);padding:26px 18px}
.dz-city__inner{max-width:var(--maxw);margin:0 auto;display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.dz-city__label{font-weight:700;color:var(--heading)}
.dz-city__links{display:flex;flex-wrap:wrap;gap:8px}
.dz-city__link{background:#fff;border:1px solid var(--line);border-radius:20px;padding:6px 14px;font-size:13px;color:var(--accent)}
.dz-city__link:hover{background:var(--primary);color:#fff;border-color:var(--primary)}
.dz-city__link--fold{display:none}
.dz-city__link--fold.is-show{display:inline-block}
.dz-city__more{background:transparent;border:1px solid var(--primary);color:var(--primary);border-radius:20px;padding:6px 14px;cursor:pointer;font-size:13px}
.dz-foot{background:var(--ink);color:rgba(255,255,255,.82);padding:46px 18px 26px}
.dz-foot__inner{max-width:var(--maxw);margin:0 auto}
.dz-foot__cols{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:30px}
.dz-foot__brand{font-size:18px;font-weight:800;color:#fff;margin-bottom:10px}
.dz-foot__brand b{color:var(--primary-2)}
.dz-foot__text{font-size:14px}
.dz-foot__phone{display:inline-block;margin-top:8px;font-size:20px;font-weight:800;color:#E6A96B}
.dz-foot__title{font-weight:700;color:#fff;margin-bottom:10px}
.dz-foot__cols a{color:rgba(255,255,255,.8)}
.dz-foot__cols a:hover{color:var(--primary-2)}
.dz-foot__notice{margin-top:24px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:rgba(255,255,255,.62)}
.dz-foot__copy{margin-top:16px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;font-size:13px;color:rgba(255,255,255,.6)}
.dz-foot__copy a{color:var(--primary-2)}
.dz-callbar{position:fixed;left:0;right:0;bottom:0;z-index:60;background:var(--primary);display:none}
.dz-callbar__btn{display:flex;align-items:center;justify-content:center;gap:10px;padding:14px;color:#fff;font-weight:800;font-size:17px}
.dz-callbar__btn svg{width:20px;height:20px;fill:#fff}

/* ===== 详情页双栏 ===== */
.dz-layout{max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:1fr 320px;gap:30px;padding:34px 18px}
.dz-layout__main{min-width:0}
.dz-layout__side{min-width:0}
.dz-post{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
.dz-post__title{font-size:clamp(22px,3vw,30px)}
.dz-post__meta{color:var(--muted);font-size:13px;margin-bottom:16px}
.dz-post__body{font-size:15px;color:var(--ink)}
.dz-post__body img{max-width:100%;border-radius:var(--radius);margin:14px 0}
.dz-side{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}
.dz-side__title{font-weight:800;margin-bottom:12px;color:var(--heading)}
.dz-side__item{padding:10px 0;border-bottom:1px dashed var(--line)}
.dz-side__item a{color:var(--accent);font-weight:600}
.dz-side__item a:hover{color:var(--primary)}

/* ===== 产品 hero / show ===== */
.dz-prodhero{display:grid;grid-template-columns:.8fr 1.2fr;gap:34px;max-width:var(--maxw);margin:0 auto;padding:40px 18px;align-items:center}
.dz-prodhero__media img{border-radius:var(--radius);box-shadow:var(--shadow)}
.dz-prodhero__kicker{font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--primary);font-weight:700}
.dz-prodhero__title{font-size:clamp(24px,3.4vw,36px);margin:8px 0 14px}
.dz-prodhero__desc{color:var(--muted);font-size:16px}
.dz-prodinfo{list-style:none;padding:0;margin:18px 0;display:grid;gap:8px}
.dz-prodinfo li{display:flex;gap:10px;font-size:14px;color:var(--ink)}
.dz-prodinfo b{color:var(--heading);min-width:78px}

/* ===== 广告图 ===== */
.dz-banner{margin:0 auto;max-width:var(--maxw);padding:0 18px 8px}
.dz-banner img{width:100%;border-radius:var(--radius);box-shadow:var(--shadow)}

/* ===== 列表 ===== */
.dz-list{display:grid;gap:16px;max-width:var(--maxw);margin:0 auto;padding:30px 18px}
.dz-listitem{display:grid;grid-template-columns:160px 1fr;gap:18px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow)}
.dz-listitem__img{width:160px;height:110px;object-fit:cover;border-radius:8px}
.dz-listitem__title{font-weight:800;color:var(--heading);font-size:18px}
.dz-listitem__title:hover{color:var(--primary)}
.dz-listitem__meta{color:var(--muted);font-size:13px;margin:6px 0}
.dz-listitem__desc{color:var(--ink);font-size:14px}
.dz-pager{display:flex;justify-content:center;gap:8px;flex-wrap:wrap;padding:10px 18px 40px;max-width:var(--maxw);margin:0 auto}
.dz-pager a,.dz-pager span{padding:8px 14px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--accent);font-size:14px}
.dz-pager .on,.dz-pager a:hover{background:var(--primary);color:#fff;border-color:var(--primary)}

/* ===== 响应式 ===== */
@media (max-width:900px){
  .dz-about{grid-template-columns:1fr}
  .dz-foot__cols{grid-template-columns:1fr}
  .dz-prodhero{grid-template-columns:1fr}
  .dz-layout{grid-template-columns:1fr}
  .dz-flow{grid-template-columns:repeat(2,1fr)}
  .dz-grid--3{grid-template-columns:1fr}
  .dz-stats__inner{grid-template-columns:repeat(2,1fr)}
  .dz-tiles{grid-template-columns:repeat(2,1fr)}
  .dz-tile--wide{grid-column:span 2}
}
@media (max-width:680px){
  .dz-burger{display:flex}
  .dz-nav{display:none}
  .dz-callbar{display:block}
  .dz-tiles{grid-template-columns:1fr}
  .dz-tile--wide{grid-column:span 1}
  .dz-flow{grid-template-columns:1fr}
  .dz-listitem{grid-template-columns:1fr}
  .dz-listitem__img{width:100%;height:160px}
}