/* 天鲁科技 · 北京机械加工/钣金加工官网 —— 全站样式 */

:root{
  --ink:#0b1115;
  --ink-2:#121a20;
  --ink-3:#1c262d;
  --paper:#f4f5f2;
  --paper-2:#eceded;
  --white:#ffffff;
  --accent:#e35226;
  --accent-deep:#c53f18;
  --steel:#6f7d84;
  --steel-l:#9aa7ac;
  --line:#d7dad6;
  --line-d:rgba(255,255,255,.13);
  --maxw:1200px;
  --shadow:0 18px 50px -24px rgba(9,16,20,.45);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.25}
p{margin:0}
table{border-collapse:collapse;width:100%}
button{font:inherit}

.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}
@media(min-width:768px){.wrap{padding:0 32px}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:48px;padding:0 22px;font-size:15px;font-weight:600;letter-spacing:.02em;
  border:1px solid transparent;cursor:pointer;transition:.18s ease;white-space:nowrap;
}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-deep)}
.btn-ghost{border-color:rgba(255,255,255,.34);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.6)}
.btn-dark{border:1px solid var(--ink);color:var(--ink)}
.btn-dark:hover{background:var(--ink);color:#fff}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px}

/* ---------- 顶栏 + 导航 ---------- */
.topbar{background:#070c0f;color:#96a3a8;font-size:13px;letter-spacing:.02em}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:38px;gap:12px}
.topbar .tb-left{display:flex;gap:22px;overflow:hidden;white-space:nowrap}
.topbar a{color:#c9d3d6}
.topbar a:hover{color:#fff}
.topbar .tb-hide{display:none}
@media(min-width:768px){.topbar .tb-hide{display:inline}}

.site-header{
  position:sticky;top:0;z-index:50;background:rgba(11,17,21,.94);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line-d);
}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:66px;gap:16px}

.logo{display:flex;align-items:center;gap:11px;color:#fff}
.logo svg{width:30px;height:30px;flex:none}
.logo .lg-name{font-size:20px;font-weight:800;letter-spacing:.12em;line-height:1.1}
.logo .lg-sub{display:block;font-size:10px;color:#8b999e;letter-spacing:.08em;margin-top:3px;white-space:nowrap}
@media(min-width:560px){.logo .lg-sub{font-size:11px;letter-spacing:.12em}}
.logo .lg-name span{color:var(--accent)}

.nav{display:none;align-items:center;gap:2px}
@media(min-width:960px){.nav{display:flex}}
.nav a{
  padding:8px 14px;font-size:15px;color:#c3cdd1;position:relative;transition:color .15s;
}
.nav a:hover{color:#fff}
.nav a.on{color:#fff}
.nav a.on::after{content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;background:var(--accent)}
.head-cta{display:none;align-items:center;gap:14px}
@media(min-width:960px){.head-cta{display:flex}}
.head-tel{color:#fff;text-align:right;line-height:1.2}
.head-tel small{display:block;font-size:11px;color:#8b999e;letter-spacing:.14em}
.head-tel b{font-size:19px;font-weight:700;letter-spacing:.04em;font-variant-numeric:tabular-nums}

.burger{
  display:flex;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;background:none;border:1px solid var(--line-d);cursor:pointer;padding:0 10px;
}
@media(min-width:960px){.burger{display:none}}
.burger span{display:block;height:2px;background:#fff;transition:.2s}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.mobile-nav{
  display:none;position:fixed;inset:0;z-index:45;background:#0b1115;padding:104px 20px 40px;
  overflow-y:auto;
}
.mobile-nav.open{display:block}
.mobile-nav a{
  display:flex;justify-content:space-between;align-items:center;
  padding:16px 4px;border-bottom:1px solid var(--line-d);color:#e6ecee;font-size:17px;
}
.mobile-nav a::after{content:"→";color:var(--accent);font-size:15px}
.mobile-nav .mn-tel{margin-top:26px;color:#fff}
.mobile-nav .mn-tel small{display:block;font-size:12px;color:#8b999e;letter-spacing:.14em}
.mobile-nav .mn-tel b{font-size:26px;letter-spacing:.04em;font-variant-numeric:tabular-nums}
.mobile-nav .mn-addr{margin-top:14px;font-size:14px;color:#93a1a6}

/* ---------- 首屏 ---------- */
.hero{position:relative;background:var(--ink);color:#fff;overflow:hidden}
.hero .hero-bg{position:absolute;inset:0}
.hero .hero-bg img{width:100%;height:100%;object-fit:cover;object-position:50% 55%}
.hero .hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,12,15,.72) 0%,rgba(7,12,15,.55) 45%,rgba(7,12,15,.92) 100%),
             linear-gradient(90deg,rgba(7,12,15,.92) 0%,rgba(7,12,15,.5) 52%,rgba(7,12,15,.12) 100%);
}
.hero .grid-lines{
  position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);
  background-size:72px 72px;
}
.hero .wrap{position:relative;padding-top:72px;padding-bottom:0}
@media(min-width:768px){.hero .wrap{padding-top:110px}}
.hero-tag{
  display:inline-flex;align-items:center;gap:10px;font-size:13px;letter-spacing:.1em;
  color:#dbe4e6;border-left:2px solid var(--accent);padding-left:12px;margin-bottom:26px;
}
.hero h1{
  font-size:clamp(30px,7.6vw,66px);line-height:1.16;letter-spacing:-.02em;max-width:15em;
}
.hero h1 em{font-style:normal;color:#fff;position:relative;white-space:nowrap}
.hero h1 em::after{
  content:"";position:absolute;left:0;right:0;bottom:.0em;height:.11em;background:var(--accent);opacity:.9;
}
.hero-lead{
  margin-top:22px;max-width:640px;font-size:15px;line-height:1.9;color:#c2ced2;
}
@media(min-width:768px){.hero-lead{font-size:17px}}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.hero-note{margin-top:14px;font-size:13px;color:#8d9ca1}
.hero-stats{
  position:relative;margin-top:56px;border-top:1px solid var(--line-d);
  display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line-d);
}
@media(min-width:768px){.hero-stats{grid-template-columns:repeat(4,1fr);margin-top:76px}}
.hero-stats div{background:rgba(11,17,21,.86);padding:20px 18px}
.hero-stats b{display:block;font-size:clamp(24px,4.4vw,36px);font-weight:800;letter-spacing:-.01em;font-variant-numeric:tabular-nums;line-height:1.1}
.hero-stats b i{font-style:normal;font-size:.52em;font-weight:600;color:var(--accent);margin-left:2px}
.hero-stats span{display:block;margin-top:8px;font-size:12px;color:#93a1a6;letter-spacing:.06em}

/* ---------- 通用区块 ---------- */
.sec{padding:64px 0}
@media(min-width:768px){.sec{padding:96px 0}}
.sec-tight{padding:48px 0}
.sec-dark{background:var(--ink);color:#fff}
.sec-dark .sec-lead,.sec-dark p{color:#b9c5c9}
.sec-alt{background:var(--paper-2)}

.sec-head{max-width:760px;margin-bottom:40px}
.sec-kicker{
  display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:600;
  letter-spacing:.14em;color:var(--accent);margin-bottom:14px;
}
.sec-kicker::before{content:"";width:26px;height:2px;background:var(--accent)}
.sec-title{font-size:clamp(26px,5.2vw,42px);line-height:1.2}
.sec-head p.sec-lead{margin-top:16px;font-size:15px;color:#5d6a70;line-height:1.9;max-width:620px}

/* ---------- 能力网格 ---------- */
.cap-grid{display:grid;grid-template-columns:1fr;gap:1px;background:var(--line);border:1px solid var(--line)}
@media(min-width:600px){.cap-grid{grid-template-columns:1fr 1fr}}
@media(min-width:1000px){.cap-grid{grid-template-columns:repeat(4,1fr)}}
.cap{background:#fff;display:flex;flex-direction:column}
.cap .cap-img{position:relative;aspect-ratio:4/3;overflow:hidden;background:#dfe3e4}
.cap .cap-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.2,.7,.2,1)}
.cap:hover .cap-img img{transform:scale(1.04)}
.cap .cap-img::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(11,17,21,.55))}
.cap .cap-body{padding:22px 22px 26px;flex:1;display:flex;flex-direction:column}
.cap .cap-no{font-size:12px;color:var(--steel);letter-spacing:.18em;margin-bottom:10px}
.cap h3{font-size:20px}
.cap p{margin-top:10px;font-size:14px;line-height:1.85;color:#5d6a70}
.cap .cap-more{margin-top:18px;font-size:13px;font-weight:600;color:var(--ink);display:inline-flex;gap:8px;align-items:center}
.cap .cap-more i{font-style:normal;color:var(--accent);transition:transform .2s}
.cap:hover .cap-more i{transform:translateX(4px)}

/* ---------- 图文分栏 ---------- */
.split{display:grid;grid-template-columns:1fr;gap:32px;align-items:center}
@media(min-width:900px){.split{grid-template-columns:1.05fr .95fr;gap:64px}}
.split-media{position:relative}
.split-media img{width:100%;object-fit:cover;border:1px solid var(--line-d)}
.split-media .tag{
  position:absolute;left:0;bottom:0;background:var(--accent);color:#fff;
  font-size:12px;letter-spacing:.12em;padding:8px 14px;
}
.lead-list{margin-top:22px;display:grid;gap:0}
.lead-list li{
  list-style:none;padding:16px 0;border-top:1px solid var(--line-d);
  display:grid;grid-template-columns:26px 1fr;gap:14px;align-items:start;
}
.lead-list .n{color:var(--accent);font-weight:700;font-size:13px;letter-spacing:.06em;padding-top:2px}
.lead-list h4{font-size:16px;margin-bottom:4px}
.lead-list p{font-size:14px;line-height:1.8;color:#aab7bb}

/* ---------- 参数表 ---------- */
.spec-wrap{overflow-x:auto;border:1px solid var(--line);background:#fff}
.spec{min-width:640px;table-layout:fixed;font-size:14px}
.spec col:nth-child(1){width:132px}
.spec col:nth-child(2){width:auto}
.spec th,.spec td{padding:15px 20px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
.spec tr:last-child td{border-bottom:0}
.spec th{background:var(--ink);color:#fff;font-weight:600;letter-spacing:.1em;font-size:13px;white-space:nowrap}
.spec td.k{color:var(--steel);font-weight:600;background:#fafbf9;white-space:nowrap}

/* ---------- 工艺流程 ---------- */
.flow{display:grid;grid-template-columns:1fr;gap:0;margin-top:8px}
@media(min-width:900px){.flow{grid-template-columns:repeat(3,1fr);gap:0 1px;background:var(--line-d)}}
.flow.four{grid-template-columns:1fr}
@media(min-width:900px){.flow.four{grid-template-columns:repeat(2,1fr)}}
.flow-step{position:relative;padding:28px 0 30px;border-top:1px solid var(--line-d)}
@media(min-width:900px){.flow-step{padding:32px 30px 36px;border-top:0;background:var(--ink)}}
.flow-step .fs-top{display:flex;align-items:baseline;gap:12px;margin-bottom:12px}
.flow-step .fs-no{font-size:clamp(30px,4vw,40px);font-weight:800;color:var(--accent);line-height:1;font-variant-numeric:tabular-nums}
.flow-step h4{font-size:17px;color:#fff}
.flow-step p{font-size:14px;color:#a3b0b4;line-height:1.85;margin-top:6px}

/* ---------- 行业 ---------- */
.ind-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line)}
.ind-grid.four{grid-template-columns:1fr}
@media(min-width:600px){.ind-grid.four{grid-template-columns:1fr 1fr}}
@media(min-width:768px){.ind-grid{grid-template-columns:repeat(3,1fr)}}
.ind{background:#fff;padding:24px 22px}
.ind h4{font-size:16px;position:relative;padding-left:15px;line-height:1.5}
.ind h4::before{content:"";position:absolute;left:0;top:.5em;width:6px;height:6px;background:var(--accent)}
.ind p{margin-top:8px;font-size:13.5px;color:#5d6a70;line-height:1.8}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line);padding:0}
.faq summary{
  cursor:pointer;list-style:none;padding:20px 0;display:flex;gap:16px;align-items:flex-start;
  font-size:16px;font-weight:600;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary .q{color:var(--accent);font-weight:700;font-size:13px;letter-spacing:.1em;padding-top:3px;flex:none}
.faq summary .sign{margin-left:auto;flex:none;color:var(--steel);font-size:18px;transition:.2s}
.faq details[open] .sign{transform:rotate(45deg);color:var(--accent)}
.faq .ans{padding:0 0 22px 44px;font-size:15px;line-height:1.9;color:#4d5a60}

/* ---------- CTA ---------- */
.cta{background:var(--ink);color:#fff;position:relative;overflow:hidden}
.cta::before{
  content:"";position:absolute;right:-10%;top:-40%;width:60%;height:180%;
  background:radial-gradient(circle,rgba(227,82,38,.22),transparent 62%);
}
.cta .wrap{position:relative;display:grid;grid-template-columns:1fr;gap:28px;align-items:center;padding-top:56px;padding-bottom:56px}
@media(min-width:900px){.cta .wrap{grid-template-columns:1.15fr .85fr;gap:60px;padding-top:72px;padding-bottom:72px}}
.cta h2{font-size:clamp(26px,4.6vw,40px);line-height:1.25}
.cta p{margin-top:14px;font-size:15px;color:#b6c2c6;line-height:1.9;max-width:520px}
.cta-tel{display:flex;flex-direction:column;align-items:flex-start}
@media(min-width:900px){.cta-tel{align-items:flex-end;text-align:right}}
.cta-tel small{font-size:12px;letter-spacing:.18em;color:#8b999e}
.cta-tel b{font-size:clamp(30px,5.4vw,46px);font-weight:800;letter-spacing:.03em;font-variant-numeric:tabular-nums;margin-top:8px;line-height:1.1}
.cta-tel .btn{margin-top:20px}

/* ---------- 页脚 ---------- */
.site-footer{background:#070c0f;color:#93a1a6;padding:56px 0 0;font-size:14px}
.foot-grid{display:grid;grid-template-columns:1fr;gap:36px;padding-bottom:44px}
@media(min-width:768px){.foot-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}}
.foot-brand .logo{margin-bottom:16px}
.foot-brand p{line-height:1.9;color:#85939824;color:#859398;font-size:13.5px}
.foot-col h5{margin:0 0 16px;font-size:13px;letter-spacing:.14em;color:#c7d1d4;font-weight:600}
.foot-col ul{display:grid;gap:10px;list-style:none}
.foot-col a{color:#859398;transition:.15s}
.foot-col a:hover{color:#fff}
.foot-contact p{margin-bottom:10px;line-height:1.8}
.foot-contact b{color:#fff;font-size:18px;letter-spacing:.03em;font-variant-numeric:tabular-nums}
.foot-bottom{border-top:1px solid var(--line-d);padding:20px 0;display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;font-size:12.5px;color:#6d7a80}
.foot-bottom .fb-links{display:flex;gap:18px;flex-wrap:wrap}

/* ---------- 内页头部 ---------- */
.page-hero{background:var(--ink);color:#fff;position:relative;overflow:hidden;padding:56px 0 52px}
@media(min-width:768px){.page-hero{padding:76px 0 68px}}
.page-hero .ph-bg{position:absolute;inset:0;opacity:.32}
.page-hero .ph-bg img{width:100%;height:100%;object-fit:cover}
.page-hero .ph-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#0b1115 8%,rgba(11,17,21,.72) 60%,rgba(11,17,21,.4))}
.page-hero .wrap{position:relative}
.crumb{font-size:12.5px;color:#8d9ca1;display:flex;gap:8px;align-items:center;margin-bottom:20px}
.crumb a:hover{color:#fff}
.crumb i{font-style:normal;color:#4f5c61}
.page-hero h1{font-size:clamp(28px,5.6vw,44px);line-height:1.22;max-width:760px}
.page-hero p{margin-top:16px;font-size:15px;color:#bac6ca;line-height:1.9;max-width:620px}

/* ---------- 内容块 ---------- */
.block{max-width:820px}
.block h2{font-size:clamp(24px,3.6vw,32px);margin-bottom:18px}
.block h3{font-size:20px;margin:32px 0 12px}
.block p{font-size:16px;line-height:2;color:#3f4c52;margin-bottom:16px}
.block p strong{color:var(--ink)}
.block ul.dot{display:grid;gap:10px;margin:8px 0 20px}
.block ul.dot li{list-style:none;display:grid;grid-template-columns:18px 1fr;gap:10px;font-size:15px;line-height:1.9;color:#3f4c52}
.block ul.dot li::before{content:"";width:6px;height:6px;background:var(--accent);margin-top:11px}

.quote-block{border-left:2px solid var(--accent);padding:6px 0 6px 22px;margin:26px 0;font-size:16px;line-height:1.9;color:#4d5a60}

/* ---------- 联系 ---------- */
.contact-grid{display:grid;grid-template-columns:1fr;gap:28px}
@media(min-width:900px){.contact-grid{grid-template-columns:1.1fr .9fr;gap:56px}}
.contact-card{background:#fff;border:1px solid var(--line);padding:28px 26px}
@media(min-width:768px){.contact-card{padding:36px 34px}}
.contact-card .cc-k{font-size:12px;letter-spacing:.16em;color:var(--steel);margin-bottom:6px}
.contact-card .cc-v{font-size:16px;font-weight:600;line-height:1.7}
.contact-card .cc-v.big{font-size:26px;letter-spacing:.02em;font-variant-numeric:tabular-nums}
.contact-card .cc-v.big a{color:var(--accent)}
.contact-card dl{display:grid;grid-template-columns:auto 1fr;gap:14px 18px;margin:0;font-size:15px}
.contact-card dt{color:var(--steel);white-space:nowrap}
.contact-card dd{margin:0;line-height:1.75}

/* ---------- 文章 ---------- */
.post-head{padding-bottom:0}
.post-meta{display:flex;flex-wrap:wrap;gap:10px 20px;font-size:13px;color:#8d9ca1;margin-top:18px}
.article{max-width:760px;padding:48px 0 64px}
.article h2{font-size:22px;margin:34px 0 14px}
.article h3{font-size:18px;margin:26px 0 10px}
.article p{font-size:16px;line-height:2;color:#3f4c52;margin-bottom:16px}
.article ul,.article ol{margin:0 0 18px;padding-left:22px;color:#3f4c52;line-height:1.95;font-size:15.5px}
.article li{margin-bottom:8px}
.article table{font-size:14.5px;border:1px solid var(--line);margin:20px 0}
.article th,.article td{padding:12px 16px;border:1px solid var(--line);text-align:left}
.article th{background:#eef0ee;font-weight:600}
.article .note{background:#fff;border:1px solid var(--line);border-left:2px solid var(--accent);padding:16px 20px;font-size:14.5px;color:#4d5a60;line-height:1.85;margin:24px 0}
.post-nav{display:flex;flex-wrap:wrap;gap:12px;padding:0 0 64px}

/* 列表卡片（资讯） */
.post-list{border-top:1px solid var(--line)}
.post-item{display:grid;grid-template-columns:1fr;gap:14px;padding:26px 0;border-bottom:1px solid var(--line);transition:.2s}
@media(min-width:768px){.post-item{grid-template-columns:200px 1fr auto;align-items:center;gap:28px}}
.post-item img{width:100%;aspect-ratio:4/3;object-fit:cover;background:#e3e6e6}
.post-item .pi-title{font-size:18px;font-weight:700;line-height:1.5}
.post-item .pi-desc{margin-top:8px;font-size:14px;color:#5d6a70;line-height:1.8}
.post-item .pi-date{font-size:13px;color:var(--steel);white-space:nowrap}
.post-item:hover .pi-title{color:var(--accent-deep)}

/* 设备表 */
.tool-table{border:1px solid var(--line);background:#fff;overflow-x:auto}
.tool-table table{min-width:620px;font-size:14.5px;table-layout:fixed}
.tool-table col:nth-child(1){width:24%}
.tool-table col:nth-child(2){width:10%}
.tool-table col:nth-child(3){width:30%}
.tool-table col:nth-child(4){width:36%}
.tool-table th,.tool-table td{padding:14px 18px;border-bottom:1px solid var(--line);text-align:left}
.tool-table th{background:var(--ink);color:#fff;font-weight:600;font-size:13px;letter-spacing:.08em}
.tool-table tbody tr:hover{background:#fafbf9}

/* 小工具 */
.mini-stats{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);margin:32px 0}
@media(min-width:768px){.mini-stats{grid-template-columns:repeat(4,1fr)}}
.mini-stats div{background:#fff;padding:22px}
.mini-stats b{display:block;font-size:26px;font-weight:800;font-variant-numeric:tabular-nums;line-height:1.1}
.mini-stats span{display:block;margin-top:6px;font-size:12.5px;color:var(--steel)}

/* 动效：仅在滚动进入时轻微抬升 */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  *{scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none;transition:none}
  .cap .cap-img img{transition:none}
}

/* 打印 */
@media print{
  .site-header,.topbar,.mobile-nav,.hero-actions,.cta,.site-footer,.post-nav{display:none}
  body{background:#fff;color:#000}
}

/* ---------- 图片组与左右互换 ---------- */
.gallery3{display:grid;grid-template-columns:1fr;gap:12px}
@media(min-width:768px){.gallery3{grid-template-columns:repeat(3,1fr);gap:16px}}
.gallery3 figure{margin:0;border:1px solid var(--line);background:#fff;overflow:hidden}
.gallery3 img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover}
.gallery3 figcaption{font-size:13px;color:var(--steel);padding:12px 14px;border-top:1px solid var(--line)}
@media(min-width:900px){.split-rev .split-media{order:2}}

/* 内页首屏标题可含换行 */
.page-hero h1 br{display:none}
@media(min-width:768px){.page-hero h1 br{display:inline}}

/* 服务页工序索引条 */
.svc-nav{display:flex;flex-wrap:wrap;gap:10px 28px;padding:20px 4px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff}
.svc-nav a{font-size:14px;color:#3f4c52;display:inline-flex;gap:8px;align-items:center}
.svc-nav a b{color:var(--accent);font-weight:700}
.svc-nav a:hover{color:var(--accent-deep)}