:root{
  --paper:#F6F9FD; --card:#FFFFFF; --ink:#0F1E33; --sub:#5B6B80;
  --brand:#2761C7; --brand-d:#1C4CA0; --accent:#E8732D;
  --line:#E3EAF3; --line-2:#CBD8E8;
  --r:10px; --max:1200px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);
  font:16px/1.75 -apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  -webkit-font-smoothing:antialiased}
img{max-width:100%;display:block;border-radius:var(--r)}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0 0 .6em;line-height:1.28;font-weight:700;letter-spacing:-.01em}
h1{font-size:clamp(28px,4vw,46px)}
h2{font-size:clamp(22px,2.6vw,32px)}
h3{font-size:19px}
p{margin:0 0 1em}
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}
.eyebrow{font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--brand);font-weight:600;margin-bottom:12px}
.lead{font-size:17px;color:var(--sub)}
.muted{color:var(--sub);font-size:14px}

/* header */
.site-hd{position:sticky;top:0;z-index:50;background:rgba(245,248,252,.92);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.hd-in{display:flex;align-items:center;gap:20px;height:72px}
.logo{display:flex;align-items:center;flex:0 0 auto}
.logo i{width:26px;height:26px;border-radius:6px;display:block;
  background:linear-gradient(135deg,var(--brand),#5E8FDD 55%,var(--accent));}
.logo span{color:var(--sub);font-weight:500;font-size:13px;margin-left:2px}
.nav{display:flex;gap:22px;margin-left:auto;font-size:16.5px;white-space:nowrap}
.nav a{padding:6px 0;position:relative;color:#3A4C63}
.nav a:hover{color:var(--brand)}
.nav a.on{color:var(--brand);font-weight:600}
.nav a.on::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--brand)}
.hd-cta{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.tel{font-weight:800;font-size:18px;color:var(--brand);letter-spacing:.02em}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:8px;font-size:16px;font-weight:600;
  border:1px solid transparent;transition:.18s;cursor:pointer}
.btn-p{background:var(--brand);color:#fff}
.btn-p:hover{background:var(--brand-d)}
.btn-a{background:var(--accent);color:#fff}
.btn-a:hover{filter:brightness(.93)}
.btn-o{border-color:var(--line-2);color:var(--ink);background:transparent}
.btn-o:hover{border-color:var(--brand);color:var(--brand)}
.burger{display:none;width:40px;height:40px;border:1px solid var(--line-2);border-radius:8px;background:none;cursor:pointer}
.burger span{display:block;width:18px;height:2px;background:var(--ink);margin:4px auto}

/* hero */
.hero{border-bottom:1px solid var(--line)}
.hero-in{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;padding:64px 24px 56px;align-items:center}
.hero h1{margin-bottom:18px}
.hero h1 em{font-style:normal;color:var(--brand);background:linear-gradient(180deg,transparent 62%,rgba(39,97,199,.12) 62%)}
.hero .lead{max-width:34em}
.hero-btns{display:flex;gap:12px;flex-wrap:wrap;margin:26px 0 30px}
.stats{display:flex;gap:36px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:22px}
.stats b{display:block;font-size:26px;line-height:1.2;letter-spacing:-.02em}
.stats span{font-size:13px;color:var(--sub)}
.mosaic{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.swatch{aspect-ratio:1/1;border-radius:var(--r);position:relative;overflow:hidden;
  border:1px solid rgba(0,0,0,.06);box-shadow:0 10px 30px -18px rgba(15,30,51,.4)}
.swatch b{position:absolute;left:14px;bottom:12px;font-size:12px;font-weight:600;
  color:#fff;text-shadow:0 1px 6px rgba(0,0,0,.45);letter-spacing:.04em}
.p-speck{background:
  radial-gradient(circle at 20% 30%,#7d8c86 1.6px,transparent 2px),
  radial-gradient(circle at 70% 65%,#5d6a66 1.4px,transparent 2px),
  radial-gradient(circle at 45% 80%,#8b968f 1.2px,transparent 2px),
  #cfd4cd;background-size:18px 18px,23px 23px,29px 29px,auto}
.p-wood{background:repeating-linear-gradient(90deg,#c79a6b 0 26px,#bd8f60 26px 30px,#c99d6e 30px 58px,#b98a5b 58px 62px)}
.p-stone{background:
  radial-gradient(ellipse at 30% 20%,#dfe2df 0 30%,transparent 31%),
  radial-gradient(ellipse at 75% 70%,#cbd1cf 0 26%,transparent 27%),#e4e7e4}
.p-sport{background:
  radial-gradient(circle at 25% 35%,#3E7ED2 3px,transparent 3.5px),
  radial-gradient(circle at 65% 70%,#e0a06b 2.6px,transparent 3px),
  #174E9E;background-size:34px 34px,26px 26px,auto}

/* section */
.sec{padding:72px 0}
.sec-hd{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.sec-hd p{margin:6px 0 0;color:var(--sub);font-size:15px;max-width:44em}
.more{font-size:14px;color:var(--brand);font-weight:600;white-space:nowrap}
.more::after{content:" →"}

/* cards */
.grid{display:grid;gap:22px}
.g4{grid-template-columns:repeat(4,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;
  transition:.22s;display:flex;flex-direction:column}
.card:hover{transform:translateY(-3px);box-shadow:0 18px 40px -26px rgba(15,30,51,.45);border-color:var(--line-2)}
.card .ph{aspect-ratio:4/3;background:#EAF0F8}
.card .bd{padding:18px 18px 20px}
.card h3{margin:0 0 6px;font-size:17px}
.card p{margin:0;font-size:13.5px;color:var(--sub);line-height:1.65}
.card .tag{display:inline-block;font-size:11.5px;color:var(--brand);
  background:rgba(39,97,199,.08);padding:3px 8px;border-radius:4px;margin-bottom:10px}

/* feature list */
.feats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.feat{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:0 0 18px;overflow:hidden;transition:.2s}
.feat:hover{transform:translateY(-3px);box-shadow:0 14px 30px -20px rgba(15,30,51,.4);border-color:var(--line-2)}
.feat .f-img{height:108px;display:flex;align-items:center;justify-content:center;font-size:44px;margin-bottom:14px;user-select:none}
.fi-h{background:linear-gradient(135deg,#E3EDFB,#C9DDF8)}
.fi-s{background:linear-gradient(135deg,#E1F0EC,#C4E4D8)}
.fi-o{background:linear-gradient(135deg,#E8EEF7,#D3DEF0)}
.fi-f{background:linear-gradient(135deg,#E4E9F2,#CBD5E4)}
.fi-c{background:linear-gradient(135deg,#FCEFE3,#F8DEC6)}
.fi-k{background:linear-gradient(135deg,#FDF3DF,#FAE2B8)}
.feat b{display:block;font-size:15.5px;margin:0 18px 6px}
.feat p{margin:0 18px;font-size:13.5px;color:var(--sub)}
.feat .no{font-size:12px;color:var(--accent);font-weight:700;letter-spacing:.1em;margin-bottom:10px;display:block}

/* steps —— 紧凑流程条（放在案例之后，只作快速浏览） */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;counter-reset:s;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.step{padding:16px 20px;position:relative}
.step+.step{border-left:1px solid var(--line)}
.step::before{counter-increment:s;content:"0" counter(s);display:block;font-size:11px;
  font-weight:700;color:var(--accent);letter-spacing:.14em;margin-bottom:6px}
.step b{display:block;font-size:14.5px;margin:0 0 3px}
.step p{margin:0;font-size:12.5px;color:var(--sub);line-height:1.55}
@media(max-width:1120px){
  .nav{gap:16px;font-size:15.5px}
  .hd-cta .tel{display:none}
  .hd-in{gap:16px}
}
@media(max-width:720px){
  .steps{grid-template-columns:1fr 1fr}
  .step{padding:14px 16px}
  .step:nth-child(3),.step:nth-child(4){border-top:1px solid var(--line)}
  .step:nth-child(3){border-left:none}
}

/* cta band */
.band{background:var(--ink);color:#fff;border-radius:14px;padding:44px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.band h2{color:#fff;margin:0 0 8px}
.band p{margin:0;color:#A9BFDA;font-size:14.5px}
.band .btn-a{flex:none}

/* breadcrumb */
.crumb{font-size:13px;color:var(--sub);padding:22px 0 0}
.crumb a:hover{color:var(--brand)}
.crumb span{margin:0 8px;color:var(--line-2)}

/* page head */
.page-hd{padding:26px 0 40px;border-bottom:1px solid var(--line)}
.page-hd h1{margin-bottom:12px}
.page-hd p{max-width:52em;color:var(--sub);margin:0}

/* article / detail layout */
.detail{display:grid;grid-template-columns:1fr 320px;gap:56px;padding:44px 24px 80px}
.detail .main h2{font-size:24px;margin-top:36px}
.detail .main h2:first-child{margin-top:0}
.detail .main h3{font-size:18px;margin-top:26px}
.detail .main ul,.detail .main ol{padding-left:22px;color:#2E4056}
.detail .main li{margin-bottom:8px}
.side{position:sticky;top:96px;align-self:start}
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px}
.panel h4{font-size:15px;margin:0 0 14px}
.panel .list{list-style:none;margin:0;padding:0;font-size:14px}
.panel .list li{padding:9px 0;border-bottom:1px dashed var(--line);color:#3A4C63}
.panel .list li:last-child{border-bottom:0}
.panel .list a:hover{color:var(--brand)}
.spec{width:100%;border-collapse:collapse;font-size:14.5px;margin:8px 0 24px}
.spec th,.spec td{border:1px solid var(--line);padding:12px 14px;text-align:left}
.spec th{background:#EFF4FA;width:150px;font-weight:600;color:#3A4C63}

/* gallery */
.gal{display:grid;grid-template-columns:1.6fr .8fr .8fr;gap:12px;margin-bottom:8px}
.gal img{width:100%;height:100%;object-fit:cover;border-radius:8px}

/* article list */
.artlist{display:grid;gap:0}
.art-item{display:flex;gap:26px;padding:26px 0;border-bottom:1px solid var(--line);align-items:center}
.art-item:first-child{padding-top:0}
.art-date{flex:none;width:76px;text-align:center;border-right:1px solid var(--line);padding-right:20px}
.art-date b{display:block;font-size:24px;line-height:1.1}
.art-date span{font-size:12px;color:var(--sub)}
.art-item h3{margin:0 0 6px;font-size:18px}
.art-item p{margin:0;color:var(--sub);font-size:14px;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}

/* form */
.form{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:32px;max-width:680px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13.5px;margin-bottom:6px;color:#3A4C63}
.field input,.field textarea,.field select{width:100%;padding:12px 14px;border:1px solid var(--line-2);
  border-radius:8px;font:inherit;font-size:14.5px;background:#fff;color:var(--ink)}
.field input:focus,.field textarea:focus{outline:2px solid rgba(39,97,199,.16);border-color:var(--brand)}
.field textarea{min-height:130px;resize:vertical}

/* footer */
.ft{background:#0D1B2E;color:#8FA3BC;padding:56px 0 26px;margin-top:0}
.ft .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.08)}
.ft h5{color:#fff;font-size:14px;margin:0 0 14px;letter-spacing:.04em}
.ft a{color:#8FA3BC;font-size:13.5px;display:block;padding:5px 0}
.ft a:hover{color:#fff}
.ft .brandline{color:#fff;font-weight:700;font-size:18px;margin-bottom:10px}
.ft p{font-size:13.5px;margin:0 0 6px;line-height:1.9}
.ft .bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:22px;font-size:12.5px;color:#64748B}



/* hero 优势卡 */
.adv{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.adv div{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:16px 16px 14px}
.adv i{font-style:normal;font-size:26px;display:block;margin-bottom:8px}
.adv b{display:block;font-size:14.5px;margin-bottom:4px}
.adv p{margin:0;font-size:12.5px;color:var(--sub);line-height:1.6}
@media(max-width:1024px){.adv div{padding:13px 13px 11px}}

/* hero banner carousel */
.banner{position:relative;height:430px;overflow:hidden;border-bottom:1px solid var(--line);background:var(--ink)}
.banner .slide{position:absolute;inset:0;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .7s ease,visibility .7s;display:flex;align-items:center}
.banner .slide.on{opacity:1;visibility:visible;pointer-events:auto;z-index:2}
.banner .slide .wrap{display:flex;align-items:center;gap:40px;width:100%}
.banner h2{color:#fff;font-size:clamp(26px,3.4vw,40px);margin:0 0 12px;letter-spacing:-.01em}
.banner p{color:#C4D3E4;font-size:16px;margin:0 0 22px;max-width:32em}
.banner .btn-a{background:#fff;color:var(--brand-d);font-weight:700}
.banner .btn-a:hover{filter:brightness(.94)}
.b-art{position:absolute;right:0;top:0;bottom:0;width:46%;opacity:.55;pointer-events:none}
.b-art .p-speck,.b-art .p-wood,.b-art .p-stone,.b-art .p-sport{position:absolute;inset:0;border-radius:0}
.b-dots{position:absolute;left:0;right:0;bottom:16px;display:flex;justify-content:center;gap:10px;z-index:5}
.b-dots button{width:26px;height:5px;border:none;border-radius:3px;background:rgba(255,255,255,.35);cursor:pointer;transition:.25s;padding:0}
.b-dots button.on{background:#fff;width:40px}
.b-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:5;width:44px;height:44px;border-radius:50%;
  border:1px solid rgba(255,255,255,.4);background:rgba(15,30,51,.35);color:#fff;font-size:18px;cursor:pointer;
  display:flex;align-items:center;justify-content:center;transition:.2s}
.b-arrow:hover{background:rgba(39,97,199,.75);border-color:transparent}
.b-prev{left:18px}.b-next{right:18px}
@media(max-width:1024px){.banner{height:380px}}
@media(max-width:720px){
  .banner{height:320px}
  .banner .slide .wrap{gap:0}
  .banner h2{font-size:23px}
  .banner .slide .wrap>div{max-width:100%!important}
  .b-art{width:100%;opacity:.22}
  .banner p{font-size:14px;margin-bottom:18px}
  .banner .btn-a{width:100%;padding:13px 20px}
  .b-arrow{width:36px;height:36px;left:auto;right:12px}
  .b-prev{left:12px;right:auto}
}
/* 首页资讯列表 */
.home-news .art-item{padding:20px 0}
.home-news .art-item:first-child{padding-top:0}
.news-cols{display:grid;grid-template-columns:1fr 1fr;gap:0 48px}
@media(max-width:720px){.news-cols{grid-template-columns:1fr}}



/* 子页固定 banner */
.pbn{position:relative;overflow:hidden;background:linear-gradient(110deg,#0F1E33 0%,#1C3E6E 58%,#2761C7 100%);color:#fff;border-bottom:1px solid var(--line)}
.pbn-in{position:relative;z-index:2;padding:34px 24px 30px}
.pbn h1{color:#fff;font-size:clamp(24px,3vw,34px);margin:8px 0 10px}
.pbn .page-p{color:#C4D3E4;font-size:14.5px;margin:0;max-width:52em;line-height:1.8}
.pbn .pbn-art{position:absolute;right:0;top:0;bottom:0;width:36%;opacity:.3;pointer-events:none}
.pbn .pbn-art>div{position:absolute;inset:0;border-radius:0}
.pbn .crumb{padding:0 0 10px;color:#AFC4E2}
.pbn .crumb a{color:#AFC4E2}
.pbn .crumb a:hover{color:#fff}
.pbn .crumb span{color:#DDE7F5!important}
.pbn .crumb span[style]{color:#fff!important}
@media(max-width:720px){.pbn-in{padding:24px 24px 22px}.pbn h1{font-size:22px}.pbn .page-p{font-size:13.5px}.pbn .pbn-art{width:100%;opacity:.16}}


/* 工程案例横向流动 */
.case-rail{display:flex;gap:20px;overflow-x:auto;overflow-y:hidden;padding:6px 0 8px;
  scrollbar-width:none;-ms-overflow-style:none;
  -webkit-mask-image:linear-gradient(90deg,#000 0,#000 calc(100% - 30px),transparent 100%);
  mask-image:linear-gradient(90deg,#000 0,#000 calc(100% - 30px),transparent 100%)}
.case-rail::-webkit-scrollbar{display:none}
.case-rail .card{flex:0 0 clamp(268px,31%,356px);margin:0}
.case-rail .card .bd h3{font-size:15.5px;line-height:1.45;margin-bottom:6px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:45px}
.case-rail .card .bd p{font-size:13px;color:var(--sub);margin:0}
.rail-btns{display:flex;gap:8px;align-items:center}
.rail-btns button{width:38px;height:38px;border-radius:50%;border:1px solid var(--line-2);
  background:#fff;color:var(--brand);font-size:20px;line-height:1;cursor:pointer;
  display:flex;align-items:center;justify-content:center;transition:.18s;padding:0 0 3px}
.rail-btns button:hover{background:var(--brand);color:#fff;border-color:transparent}
@media(max-width:720px){
  .case-rail{gap:14px;padding-bottom:8px}
  .case-rail .card{flex:0 0 78%}
  .rail-btns{display:none}
}

/* 移动端底部悬浮预约/电话 */
.mbar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:80;gap:10px;
  padding:10px 14px calc(10px + env(safe-area-inset-bottom));
  background:rgba(255,255,255,.96);backdrop-filter:blur(8px);
  border-top:1px solid var(--line);box-shadow:0 -4px 16px rgba(15,30,51,.08)}
.mbar a{flex:1;display:flex;align-items:center;justify-content:center;gap:8px;
  padding:13px;border-radius:10px;font-weight:700;font-size:16px;color:#fff}
.mbar .mb-book{background:var(--accent)}
.mbar .mb-book:hover{filter:brightness(.94)}
.mbar .mb-tel{background:var(--brand)}
.mbar .mb-tel:hover{background:var(--brand-d)}

/* mobile */
@media(max-width:1024px){
  .hero-in{grid-template-columns:1fr;gap:36px;padding:40px 24px}
  .g4{grid-template-columns:repeat(2,1fr)}
  .feats{grid-template-columns:1fr 1fr}
  .detail{grid-template-columns:1fr;gap:36px}
  .side{position:static}
  .ft .cols{grid-template-columns:1fr 1fr}
}
@media(max-width:720px){
  .nav{position:fixed;inset:72px 0 auto 0;background:var(--paper);flex-direction:column;
    gap:0;padding:8px 24px 20px;border-bottom:1px solid var(--line);display:none}
  .nav.open{display:flex}
  .nav a{padding:13px 0;border-bottom:1px solid var(--line);font-size:16px}
  .burger{display:block;margin-left:0}
  .hd-in{gap:14px}
  .hd-cta{margin-left:auto}
  .logo{min-width:0}
  .logo img{height:34px}
  .hd-cta .tel{display:none}
  .hd-cta .btn{display:none}
  .g4,.g3,.g2,.feats,.steps{grid-template-columns:1fr}
  .sec{padding:48px 0}
  .gal{grid-template-columns:1fr 1fr}
  .gal img:first-child{grid-column:1/-1}
  .band{padding:30px 24px}
  .stats{gap:24px}
  .stats b{font-size:22px}
  .art-item{gap:16px}
  .art-date{width:60px;padding-right:12px}
  .form{padding:22px}
  .ft .cols{grid-template-columns:1fr}
  .mbar{display:flex}
  body{padding-bottom:74px}
}
@media(max-width:380px){
  .logo img{height:30px}
}

/* ==================== Pboot 模板补充 ==================== */
/* 轮播：背景图由后台幻灯片控制 */
.banner .slide{background-size:cover;background-position:center right;background-repeat:no-repeat}
/* 文字可读性蒙层：藏蓝渐变（与 --ink 同色），左深右浅，不遮主体 */
.banner .slide::before{content:'';position:absolute;inset:0;z-index:1;pointer-events:none;
  background:linear-gradient(90deg,rgba(15,30,51,.88) 0%,rgba(15,30,51,.74) 26%,rgba(15,30,51,.34) 55%,rgba(15,30,51,0) 76%)}
@media(max-width:760px){
  .banner .slide{background-position:62% center}
  .banner .slide::before{background:linear-gradient(90deg,rgba(15,30,51,.9) 0%,rgba(15,30,51,.8) 45%,rgba(15,30,51,.45) 100%)}
}
.logo img{border-radius:0;height:40px;width:auto;flex:0 0 auto}

/* 首页产品系列纹理（按栏目序号） */
.sw-1{background:
  radial-gradient(circle at 20% 30%,#7d8c86 1.6px,transparent 2px),
  radial-gradient(circle at 70% 65%,#5d6a66 1.4px,transparent 2px),
  radial-gradient(circle at 45% 80%,#8b968f 1.2px,transparent 2px),
  #cfd4cd;background-size:18px 18px,23px 23px,29px 29px,auto}
.sw-2{background:
  radial-gradient(ellipse at 30% 20%,#dfe2df 0 30%,transparent 31%),
  radial-gradient(ellipse at 75% 70%,#cbd1cf 0 26%,transparent 27%),#e4e7e4}
.sw-3{background:repeating-linear-gradient(90deg,#c79a6b 0 26px,#bd8f60 26px 30px,#c99d6e 30px 58px,#b98a5b 58px 62px)}
.sw-4{background:
  radial-gradient(circle at 25% 35%,#3E7ED2 3px,transparent 3.5px),
  radial-gradient(circle at 65% 70%,#e0a06b 2.6px,transparent 3px),
  #174E9E;background-size:34px 34px,26px 26px,auto}

/* 分页 */
.pagebar{margin-top:44px;text-align:center;font-size:14px;line-height:1}
.pagebar a,.pagebar span{display:inline-block;min-width:38px;height:38px;line-height:36px;padding:0 12px;margin:0 4px 8px;
  border:1px solid var(--line-2);border-radius:8px;color:var(--ink);background:#fff;vertical-align:middle}
.pagebar a:hover{border-color:var(--brand);color:var(--brand)}
.pagebar .active,.pagebar span.active{background:var(--brand);border-color:var(--brand);color:#fff}
.pagebar .disabled{opacity:.45}

/* 资讯列表页 */
.news-list .art-item{padding:22px 0;border-bottom:1px solid var(--line)}
.news-list .art-item:first-child{padding-top:0}
.news-list .art-item:last-child{border-bottom:0}

/* 关于页 */
.about-grid{display:grid;grid-template-columns:1fr 320px;gap:44px;align-items:start}
.about-body img{width:100%;display:block;margin:24px 0;border-radius:10px}

/* 联系页 */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.contact-list{margin:18px 0 26px}
.contact-list>div{display:flex;gap:14px;padding:12px 0;border-bottom:1px dashed var(--line)}
.contact-list b{flex:0 0 90px;font-size:13.5px;color:var(--sub);font-weight:600}
.contact-list span,.contact-list a{font-size:15px;color:var(--ink)}
.contact-note{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px;margin-bottom:22px}
.contact-note p{margin:0 0 8px;font-size:13.5px;color:var(--sub)}
.contact-body img{width:100%;border-radius:10px;display:block;margin-top:8px}

/* 留言页 */
.msg-grid{display:grid;grid-template-columns:1fr 360px;gap:44px;align-items:start}
.code-row{display:flex;gap:10px;align-items:center}
.code-row input{flex:1}
.code-row img{height:46px;border:1px solid var(--line-2);border-radius:8px;cursor:pointer;background:#fff}

@media(max-width:900px){
  .about-grid,.contact-grid,.msg-grid{grid-template-columns:1fr;gap:28px}
  .contact-list b{flex:0 0 78px}
}
.pagebar .pginfo{display:inline-block;margin-left:10px;color:var(--sub);font-size:13px}
.empty{padding:60px 0;text-align:center;color:var(--sub)}

/* 补充：首页 CTA 按钮组、留言成功提示、分页当前页 */
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin:26px 0 30px}
.pagebar a.page-num-current{background:var(--brand);border-color:var(--brand);color:#fff}
/* 留言表单：精简版（称呼+电话必填，说明选填） */
.msg-grid .form,.msg-grid .msg-done{max-width:620px;margin-left:auto;margin-right:auto}
.form-sm{padding:24px}
.form .field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-sm .field{margin-bottom:14px}
.form-sm .field label{font-size:13px;margin-bottom:5px}
.form-sm .field input,.form-sm .field textarea{padding:10px 12px;font-size:14px}
.form-sm .field textarea{min-height:86px}
.form-sm .code-row img{height:41px}
.field .opt{color:var(--sub);font-weight:400;font-size:12px;margin-left:6px}
.form-tip{font-size:12.5px;color:var(--sub);margin:10px 0 0}

/* 提交按钮：整行铺满 */
.form-sm .btn{display:flex;width:100%;padding:13px 20px;font-size:15.5px;border-radius:10px}
.form-sm .btn[disabled]{opacity:.72;cursor:default}

/* 蜜罐字段：真人不可见，机器人会填 */
.hp{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}
@media(max-width:560px){
  .form .field-row{grid-template-columns:1fr;gap:0}
  .form-sm{padding:20px}
}

/* 提交成功卡片 */
.msg-done{max-width:620px;background:#F0FAF4;border:1px solid #BFE7CF;border-radius:var(--r);
  padding:30px 26px;text-align:center;animation:doneIn .3s ease}
.msg-done .done-ic{width:54px;height:54px;border-radius:50%;background:#12A150;
  display:flex;align-items:center;justify-content:center;margin:0 auto 16px;box-shadow:0 6px 18px rgba(18,161,80,.24)}
.msg-done .done-ic svg{width:28px;height:28px;stroke:#fff;stroke-width:3;fill:none}
.msg-done h3{margin:0 0 8px;font-size:19px;color:#0E7A3E}
.msg-done p{margin:0;font-size:13.5px;color:#3A4C63;line-height:1.75}
.msg-done a{color:var(--brand);font-weight:700}
@keyframes doneIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

/* 案例相册 */
.case-gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:28px}
.case-gallery .cg-item{display:block;border-radius:8px;overflow:hidden;background:var(--card)}
.case-gallery img{width:100%;aspect-ratio:1;object-fit:cover;display:block;transition:transform .3s}
.case-gallery .cg-item:hover img{transform:scale(1.04)}
@media(max-width:900px){.case-gallery{grid-template-columns:repeat(2,1fr);gap:8px}}

/* 资讯列表缩略图 */
.art-thumb{flex:none;width:168px;height:112px;border-radius:10px;overflow:hidden;background:#eef1f5}
.art-thumb img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .3s}
.art-item:hover .art-thumb img{transform:scale(1.05)}
.home-news .art-thumb{width:132px;height:92px}
@media(max-width:760px){
  .art-thumb{width:104px;height:76px;border-radius:8px}
  .home-news .art-thumb{width:88px;height:66px}
}

/* SEO 正文块与页脚关键词内链 */
.seo-prose{max-width:880px}
.seo-prose p{color:var(--sub);font-size:15.5px;line-height:1.85;margin:0 0 1em}
.seo-prose a{color:var(--brand);border-bottom:1px solid rgba(39,97,199,.3);padding-bottom:1px}
.seo-prose a:hover{border-bottom-color:var(--brand);color:var(--brand-d)}
.seo-links{margin-top:26px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:#8FA3BC;line-height:2}
.seo-links span{color:#6E8099;margin-right:6px}
.seo-links a{color:#A9BBD2;margin-right:14px;white-space:nowrap}
.seo-links a:hover{color:#fff}

/* FAQ */
.faq{max-width:900px}
.faq details{border-bottom:1px solid var(--line);padding:16px 0}
.faq details:last-child{border-bottom:0}
.faq summary{cursor:pointer;font-weight:700;font-size:16.5px;color:var(--ink);list-style:none;position:relative;padding-right:28px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';position:absolute;right:4px;top:-2px;font-size:20px;color:var(--brand);font-weight:400}
.faq details[open] summary::after{content:'−'}
.faq details p{margin:10px 0 0;color:var(--sub);font-size:15px;line-height:1.85}