@charset "UTF-8";
/* ==========================================================
   天鲁科技 www.cnrobot.cn — 企业官网样式
   纯静态，无外部依赖，可直接上传使用
   ========================================================== */

:root{
  --navy:#0B2B4F;
  --navy-deep:#071E38;
  --navy-2:#123E6C;
  --blue:#1B5E9C;
  --accent:#E6622C;
  --accent-dark:#C64E1C;
  --ink:#16212E;
  --text:#3C4A58;
  --muted:#6E7C8B;
  --steel:#8A98A7;
  --line:#E3E9F0;
  --line-2:#EDF1F6;
  --bg:#FFFFFF;
  --bg-soft:#F5F8FB;
  --bg-tint:#EDF3F9;
  --white:#FFFFFF;
  --radius:4px;
  --shadow-sm:0 2px 10px rgba(11,43,79,.06);
  --shadow:0 8px 28px rgba(11,43,79,.09);
  --shadow-lg:0 18px 48px rgba(11,43,79,.14);
  --maxw:1200px;
  --font:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC","Source Han Sans SC",Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);font-size:15px;line-height:1.75;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto;border:0}
a{color:inherit;text-decoration:none}
a:hover{color:var(--accent)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5{margin:0;color:var(--navy);font-weight:700;line-height:1.35;letter-spacing:.01em}
p{margin:0 0 14px}
button{font-family:inherit}
svg{display:inline-block;vertical-align:middle;flex:none;width:1em;height:1em}
::selection{background:var(--navy);color:#fff}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:84px 0}
.section.soft{background:var(--bg-soft)}
.section.tint{background:var(--bg-tint)}
.section.navy{background:var(--navy);color:#C9D8E7}
.section.navy h2,.section.navy h3,.section.navy h4{color:#fff}
.section.compact{padding:56px 0}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--navy-deep);color:#AEC1D4;font-size:13px;line-height:1.5}
.topbar .container{display:flex;align-items:center;justify-content:space-between;min-height:38px;gap:16px}
.topbar .tb-left{display:flex;align-items:center;gap:26px;flex-wrap:wrap}
.topbar .tb-left span{display:inline-flex;align-items:center;gap:7px}
.topbar .tb-left i{width:5px;height:5px;background:var(--accent);display:inline-block;transform:rotate(45deg)}
.topbar .tb-right{white-space:nowrap}
.topbar .tb-right a{color:#fff;font-weight:600;letter-spacing:.02em}
.topbar .tb-right a:hover{color:var(--accent)}
.topbar .tb-right b{font-size:15px;margin-left:4px}

/* ---------- 头部 / 导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .25s}
.site-header.is-scrolled{box-shadow:0 4px 20px rgba(11,43,79,.10)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:78px}
.logo{display:flex;align-items:center;gap:12px;flex:none}
.logo-mark{width:42px;height:42px;flex:none}
.logo-txt{display:flex;flex-direction:column;line-height:1.2}
.logo-txt b{font-size:23px;color:var(--navy);letter-spacing:.16em;font-weight:800}
.logo-txt span{font-size:10.5px;color:var(--steel);letter-spacing:.20em;margin-top:5px;text-transform:uppercase;white-space:nowrap}
.main-nav{display:flex;align-items:center;height:100%;gap:2px;margin-left:auto}
.main-nav > li{position:relative;height:100%;display:flex;align-items:center}
.main-nav > li > a{display:flex;align-items:center;height:100%;padding:0 17px;font-size:15px;font-weight:600;color:#2A3948;position:relative;white-space:nowrap;transition:color .2s}
.main-nav > li > a::after{content:"";position:absolute;left:17px;right:17px;bottom:0;height:3px;background:var(--accent);transform:scaleX(0);transform-origin:center;transition:transform .25s}
.main-nav > li > a:hover,.main-nav > li.active > a{color:var(--navy)}
.main-nav > li.active > a::after,.main-nav > li > a:hover::after{transform:scaleX(1)}
.main-nav .caret{width:10px;height:10px;margin-left:5px;stroke:currentColor;fill:none;stroke-width:2;transition:transform .2s}
.main-nav > li:hover .caret{transform:rotate(180deg)}
.dropdown{position:absolute;top:100%;left:0;min-width:210px;background:#fff;border:1px solid var(--line);border-top:3px solid var(--accent);box-shadow:var(--shadow-lg);padding:8px 0;opacity:0;visibility:hidden;transform:translateY(8px);transition:.22s}
.main-nav > li:hover .dropdown,.main-nav > li:focus-within .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown a{display:block;padding:10px 20px;font-size:14px;color:var(--text);white-space:nowrap}
.dropdown a:hover{background:var(--bg-soft);color:var(--navy);padding-left:24px}
.dropdown a small{display:block;color:var(--steel);font-size:11.5px;line-height:1.4}
.header-cta{display:flex;align-items:center;gap:12px;flex:none}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 22px;font-size:14px;font-weight:600;border:1px solid transparent;border-radius:var(--radius);cursor:pointer;transition:.22s;line-height:1.4;white-space:nowrap}
.btn svg{width:15px;height:15px}
.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn-primary:hover{background:var(--accent-dark);border-color:var(--accent-dark);color:#fff;transform:translateY(-2px);box-shadow:0 8px 18px rgba(230,98,44,.25)}
.btn-navy{background:var(--navy);color:#fff;border-color:var(--navy)}
.btn-navy:hover{background:var(--navy-2);color:#fff;transform:translateY(-2px)}
.btn-outline{border-color:var(--navy);color:var(--navy);background:transparent}
.btn-outline:hover{background:var(--navy);color:#fff}
.btn-light{border-color:rgba(255,255,255,.65);color:#fff;background:rgba(255,255,255,.06)}
.btn-light:hover{background:#fff;color:var(--navy)}
.btn-lg{padding:14px 30px;font-size:15.5px}
.header-tel{background:var(--navy);color:#fff;padding:10px 18px;font-size:14px;display:flex;align-items:center;gap:8px;border-radius:var(--radius);font-weight:600}
.header-tel:hover{background:var(--navy-2);color:#fff}
.header-tel svg{width:16px;height:16px}
.header-tel b{font-size:15px;letter-spacing:.02em}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:var(--radius);padding:0;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px}
.nav-toggle span{display:block;width:19px;height:2px;background:var(--navy);transition:.25s}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- 首页 Hero ---------- */
.hero{position:relative;background:var(--navy-deep);color:#fff;overflow:hidden}
.hero-media{position:absolute;inset:0;background:url("../images/hero.jpg") center center/cover no-repeat}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,25,46,.95) 0%,rgba(7,30,56,.88) 42%,rgba(7,30,56,.42) 78%,rgba(7,30,56,.30) 100%)}
.hero-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);background-size:64px 64px;pointer-events:none}
.hero .container{position:relative;z-index:2;padding-top:88px;padding-bottom:0}
.hero-kicker{display:inline-block;font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:#C7D9EA;border-left:3px solid var(--accent);padding-left:12px;margin-bottom:24px;max-width:100%}
.hero h1{color:#fff;font-size:46px;line-height:1.28;font-weight:800;letter-spacing:.01em;max-width:830px}
.hero h1 em{font-style:normal;color:#FFB98E}
.hero-lead{font-size:16.5px;line-height:1.9;color:#D3E0EC;max-width:700px;margin:22px 0 0}
.hero-city{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hero-city span{font-size:12.5px;color:#DCE7F1;border:1px solid rgba(255,255,255,.26);background:rgba(255,255,255,.05);padding:5px 12px;border-radius:2px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);margin-top:76px;border-top:1px solid rgba(255,255,255,.18)}
.hero-stat{padding:26px 20px 28px;border-right:1px solid rgba(255,255,255,.14)}
.hero-stat:last-child{border-right:0}
.hero-stat b{display:block;color:#fff;font-size:32px;font-weight:800;line-height:1.2;font-variant-numeric:tabular-nums}
.hero-stat b i{font-style:normal;font-size:16px;font-weight:600;color:#FFB98E;margin-left:2px}
.hero-stat span{display:block;font-size:13px;color:#B4C7D9;margin-top:6px}

/* ---------- 信任条 ---------- */
.trust{background:#fff;border-bottom:1px solid var(--line)}
.trust-inner{display:grid;grid-template-columns:repeat(4,1fr);padding:0}
.trust-item{display:flex;align-items:center;gap:14px;padding:26px 20px;border-right:1px solid var(--line-2)}
.trust-item:last-child{border-right:0}
.trust-ic{width:42px;height:42px;flex:none;background:var(--bg-tint);color:var(--navy);display:flex;align-items:center;justify-content:center;border-radius:3px}
.trust-ic svg{width:22px;height:22px}
.trust-item b{display:block;color:var(--navy);font-size:15px;font-weight:700}
.trust-item span{display:block;font-size:12.5px;color:var(--muted);margin-top:2px;line-height:1.5}

/* ---------- 区块标题 ---------- */
.sec-head{text-align:center;max-width:780px;margin:0 auto 48px}
.sec-head.left{text-align:left;margin-left:0;max-width:760px}
.sec-head .en{font-size:11.5px;font-weight:700;letter-spacing:.24em;text-transform:uppercase;color:var(--accent);margin-bottom:12px}
.sec-head h2{font-size:33px;line-height:1.35}
.sec-head h2 em{font-style:normal;color:var(--accent)}
.sec-head .line{width:46px;height:3px;background:var(--accent);margin:18px auto 16px}
.sec-head.left .line{margin-left:0}
.sec-head p{font-size:15px;color:var(--muted);line-height:1.9;margin:0}
.section.navy .sec-head p{color:#B7CADC}
.center-actions{text-align:center;margin-top:36px}
.sub-title{font-size:22px;text-align:center;margin:48px 0 22px}
.section.navy .sub-title{color:#fff}

/* ---------- 服务卡片 ---------- */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.svc-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.28s;display:flex;flex-direction:column;position:relative}
.svc-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:#C9D8E7}
.svc-thumb{height:196px;background:var(--bg-tint);overflow:hidden;position:relative}
.svc-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.svc-card:hover .svc-thumb img{transform:scale(1.06)}
.svc-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 60%,rgba(11,43,79,.14))}
.svc-num{position:absolute;top:0;left:0;background:var(--navy);color:#fff;font-size:11px;font-weight:700;letter-spacing:.12em;padding:6px 12px;z-index:2}
.svc-body{padding:24px 24px 26px;display:flex;flex-direction:column;flex:1}
.svc-body .tag{font-size:11.5px;color:var(--accent);font-weight:700;letter-spacing:.08em;text-transform:uppercase}
.svc-body h3{font-size:19px;margin:9px 0 12px}
.svc-body h3 a{color:var(--navy)}
.svc-body h3 a:hover{color:var(--accent)}
.svc-body p{font-size:13.8px;color:var(--muted);line-height:1.85;margin:0 0 18px;flex:1}
.svc-kw{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:18px}
.svc-kw i{font-style:normal;font-size:11.5px;color:var(--blue);background:var(--bg-tint);padding:3px 9px;border-radius:2px}
.svc-more{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line-2);padding-top:15px;font-size:13.5px;font-weight:700;color:var(--navy)}
.svc-more span{display:inline-flex;align-items:center;gap:6px}
.svc-more svg{width:15px;height:15px;transition:transform .25s}
.svc-card:hover .svc-more svg{transform:translateX(4px)}
.svc-more:hover{color:var(--accent)}

/* ---------- 关于 / 企业实力 ---------- */
.about-split{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.about-media{position:relative}
.about-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}
.detail-figure{margin:0 0 30px;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}
.detail-figure img{width:100%;max-height:420px;object-fit:contain;background:#fff}
.detail-figure figcaption{font-size:12.5px;color:var(--muted);padding:10px 16px;border-top:1px solid var(--line-2);background:#fff}
.about-media::before{content:"";position:absolute;left:-16px;top:-16px;width:120px;height:120px;border-left:4px solid var(--accent);border-top:4px solid var(--accent);z-index:1}
.about-badge{position:absolute;right:-20px;bottom:-22px;background:var(--navy);color:#fff;padding:18px 24px;box-shadow:var(--shadow-lg)}
.about-badge b{display:block;font-size:30px;font-weight:800;line-height:1.1}
.about-badge span{display:block;font-size:12.5px;color:#BFD2E5;margin-top:4px}
.about-txt h2{font-size:32px;margin-bottom:18px}
.about-txt h2 em{font-style:normal;color:var(--accent)}
.about-lead{font-size:16px;color:var(--navy);line-height:1.95;font-weight:600;margin-bottom:16px}
.about-txt p{color:var(--muted);font-size:14.5px;line-height:1.95}
.pts{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin:26px 0 30px}
.pt{display:flex;gap:12px;align-items:flex-start;padding:14px;border:1px solid var(--line);background:#fff;border-radius:var(--radius)}
.pt .ic{width:34px;height:34px;flex:none;background:var(--bg-tint);color:var(--navy);display:flex;align-items:center;justify-content:center;border-radius:3px}
.pt .ic svg{width:18px;height:18px}
.pt b{display:block;color:var(--navy);font-size:14.5px;line-height:1.4}
.pt span{display:block;font-size:12px;color:var(--muted);margin-top:2px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat{text-align:center;background:#fff;border:1px solid var(--line);padding:28px 14px;border-radius:var(--radius)}
.stat .num{font-size:36px;font-weight:800;color:var(--navy);line-height:1.2;font-variant-numeric:tabular-nums}
.stat .num i{font-style:normal;font-size:17px;color:var(--accent);margin-left:2px}
.stat .lbl{font-size:13px;color:var(--muted);margin-top:8px}
.section.navy .stat{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.16)}
.section.navy .stat .num{color:#fff}
.section.navy .stat .lbl{color:#B7CADC}

/* ---------- 设备清单 ---------- */
.equip-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.equip{background:#fff;padding:20px 22px;display:flex;align-items:center;gap:12px;font-size:14.5px;color:var(--navy);font-weight:600}
.equip svg{width:16px;height:16px;color:var(--accent)}
.section.navy .equip{background:rgba(255,255,255,.04);border-color:rgba(255,255,255,.14);color:#EAF1F8}

/* ---------- 优势 ---------- */
.adv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.adv{background:#fff;border:1px solid var(--line);padding:30px 28px 32px;border-radius:var(--radius);position:relative;transition:.25s}
.adv:hover{box-shadow:var(--shadow);border-color:#C9D8E7}
.adv .no{position:absolute;top:22px;right:24px;font-size:34px;font-weight:800;color:#E9EFF6;line-height:1}
.adv .ic{width:46px;height:46px;background:var(--bg-tint);color:var(--navy);display:flex;align-items:center;justify-content:center;border-radius:3px;margin-bottom:20px;position:relative}
.adv .ic svg{width:24px;height:24px}
.adv h3{font-size:18px;margin-bottom:10px}
.adv p{font-size:13.8px;color:var(--muted);line-height:1.85;margin:0}
.section.navy .adv{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.14)}
.section.navy .adv h3{color:#fff}
.section.navy .adv p{color:#B7CADC}
.section.navy .adv .ic{background:rgba(255,255,255,.10);color:#fff}
.section.navy .adv .no{color:rgba(255,255,255,.12)}

/* ---------- 工艺流程 ---------- */
.process{display:grid;grid-template-columns:repeat(6,1fr);gap:0;position:relative}
.process::before{content:"";position:absolute;left:8%;right:8%;top:30px;height:2px;background:var(--line)}
.step{text-align:center;padding:0 10px;position:relative}
.step .dot{width:60px;height:60px;margin:0 auto 20px;background:#fff;border:2px solid var(--line);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:800;color:var(--navy);position:relative;z-index:2;transition:.25s}
.step:hover .dot{border-color:var(--accent);background:var(--accent);color:#fff}
.step h3{font-size:15.5px;margin-bottom:8px}
.step p{font-size:12.8px;color:var(--muted);line-height:1.75;margin:0}

/* ---------- 双城服务区域 ---------- */
.city-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.city-card{background:#fff;border:1px solid var(--line);border-top:4px solid var(--navy);border-radius:var(--radius);overflow:hidden;transition:.28s}
.city-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-5px)}
.city-card.alt{border-top-color:var(--accent)}
.city-head{padding:28px 30px 20px;border-bottom:1px solid var(--line-2)}
.city-head .flag{font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);font-weight:700}
.city-head h3{font-size:24px;margin:8px 0 8px}
.city-head h3 a{color:var(--navy)}
.city-head h3 a:hover{color:var(--accent)}
.city-head p{font-size:13.8px;color:var(--muted);margin:0;line-height:1.8}
.city-body{padding:22px 30px 28px}
.city-body h4{font-size:13px;color:var(--navy);margin-bottom:10px;letter-spacing:.04em}
.area-tags{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:20px}
.area-tags span{font-size:12.5px;color:var(--text);background:var(--bg-soft);border:1px solid var(--line);padding:4px 10px;border-radius:2px}
.city-links{display:grid;grid-template-columns:repeat(2,1fr);gap:8px 16px;margin-bottom:22px}
.city-links a{font-size:13.5px;color:var(--blue);display:flex;align-items:center;gap:6px}
.city-links a::before{content:"";width:4px;height:4px;background:var(--accent);transform:rotate(45deg);flex:none}
.city-links a:hover{color:var(--accent)}
.city-foot{border-top:1px solid var(--line-2);padding-top:18px;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.city-foot .note{font-size:12.5px;color:var(--muted)}
.link-arrow{font-size:13.5px;font-weight:700;color:var(--navy);display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.link-arrow svg{width:15px;height:15px;transition:transform .25s}
.link-arrow:hover{color:var(--accent)}
.link-arrow:hover svg{transform:translateX(4px)}

/* ---------- 行业应用 / 图片展示 ---------- */
.industry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.industry{background:#fff;border:1px solid var(--line);padding:26px 24px;border-radius:var(--radius);display:flex;gap:16px;transition:.25s}
.industry:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.industry .ic{width:42px;height:42px;flex:none;background:var(--bg-tint);color:var(--navy);display:flex;align-items:center;justify-content:center;border-radius:3px}
.industry .ic svg{width:22px;height:22px}
.industry h3{font-size:16.5px;margin-bottom:7px}
.industry p{font-size:13px;color:var(--muted);line-height:1.8;margin:0}
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.gallery figure{margin:0;position:relative;overflow:hidden;background:var(--bg-tint);border-radius:var(--radius)}
.gallery img{width:100%;height:210px;object-fit:cover;transition:transform .5s}
.gallery figure:hover img{transform:scale(1.07)}
.gallery figcaption{position:absolute;left:0;right:0;bottom:0;padding:26px 14px 12px;background:linear-gradient(180deg,transparent,rgba(7,30,56,.88));color:#fff;font-size:13.5px;font-weight:600}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px;margin:0 auto}
.faq-item{border:1px solid var(--line);background:#fff;margin-bottom:12px;border-radius:var(--radius)}
.faq-item summary{list-style:none;cursor:pointer;padding:18px 22px;display:flex;align-items:center;gap:14px;font-weight:700;color:var(--navy);font-size:15.5px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .q{width:26px;height:26px;flex:none;background:var(--navy);color:#fff;font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;border-radius:2px}
.faq-item summary .plus{margin-left:auto;color:var(--accent);font-size:20px;font-weight:400;line-height:1;transition:transform .25s}
.faq-item[open] summary .plus{transform:rotate(45deg)}
.faq-item[open] summary{border-bottom:1px solid var(--line-2);color:var(--accent)}
.faq-answer{padding:18px 24px 22px 62px;font-size:14.2px;color:var(--text);line-height:1.95}
.faq-answer p{margin:0 0 10px}
.faq-answer p:last-child{margin-bottom:0}
.faq-answer strong{color:var(--navy)}

/* ---------- CTA 带 ---------- */
.cta-band{background:var(--navy);color:#fff;position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border:1px solid rgba(255,255,255,.10);border-radius:50%}
.cta-band::before{content:"";position:absolute;right:20px;top:20px;width:220px;height:220px;border:1px solid rgba(255,255,255,.08);border-radius:50%}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:44px 0;position:relative;z-index:2}
.cta-inner h3{color:#fff;font-size:26px;margin-bottom:8px}
.cta-inner p{color:#B9CCDE;font-size:14.5px;margin:0}
.cta-right{text-align:right;flex:none}
.cta-right .big{font-size:32px;font-weight:800;letter-spacing:.04em;line-height:1.2;color:#fff;font-variant-numeric:tabular-nums}
.cta-right .sub{font-size:12.5px;color:#B9CCDE;margin:4px 0 14px}

/* ---------- 页脚 ---------- */
.site-footer{background:#081D34;color:#9FB3C7}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1.2fr 1.3fr;gap:44px;padding:60px 0 46px}
.site-footer h4{color:#fff;font-size:15.5px;margin-bottom:20px;position:relative;padding-bottom:12px}
.site-footer h4::after{content:"";position:absolute;left:0;bottom:0;width:26px;height:2px;background:var(--accent)}
.site-footer p{font-size:13.5px;line-height:1.9;color:#93A9BE;margin:0}
.f-logo{display:flex;align-items:center;gap:11px;margin-bottom:18px}
.f-logo .logo-mark{width:38px;height:38px}
.f-logo b{color:#fff;font-size:20px;letter-spacing:.14em}
.f-slogan{font-size:12px;color:#7C93AA;letter-spacing:.12em;margin-bottom:14px}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:13.5px;color:#9FB3C7;display:inline-flex;align-items:center;gap:8px;transition:.2s}
.footer-links a::before{content:"";width:4px;height:4px;background:var(--accent);transform:rotate(45deg);flex:none}
.footer-links a:hover{color:#fff;transform:translateX(3px)}
.f-contact li{display:flex;gap:10px;font-size:13.5px;margin-bottom:13px;line-height:1.7;color:#A9BDD0}
.f-contact li svg{width:15px;height:15px;color:var(--accent);margin-top:3px}
.f-contact .phone{font-size:20px;font-weight:800;color:#fff;letter-spacing:.02em;display:block;line-height:1.3}
.f-contact .phone:hover{color:#FFB98E}
.footer-bottom{border-top:1px solid rgba(255,255,255,.10);padding:20px 0;font-size:12.8px;color:#8299AF}
.footer-bottom .container{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.footer-bottom a{color:#A9BDD0}
.footer-bottom a:hover{color:#fff}
.footer-bottom .flinks{display:flex;gap:16px;flex-wrap:wrap}
.footer-bottom .flinks a{color:#8299AF}

/* ---------- 内页横幅 / 面包屑 ---------- */
.page-hero{position:relative;background:var(--navy) url("../images/hero.jpg") center 45%/cover no-repeat;color:#fff}
.page-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,25,46,.94),rgba(7,30,56,.72))}
.page-hero .container{position:relative;z-index:2;padding-top:60px;padding-bottom:58px}
.page-hero .en{font-size:11.5px;letter-spacing:.22em;text-transform:uppercase;color:#FFB98E;margin-bottom:10px}
.page-hero h1{color:#fff;font-size:36px;font-weight:800;margin-bottom:10px}
.page-hero .desc{font-size:14.5px;color:#C6D7E7;max-width:760px;line-height:1.85;margin:0}
.crumb{display:flex;align-items:center;gap:10px;font-size:13px;color:#AFC4D8;margin-top:20px;flex-wrap:wrap}
.crumb a{color:#D7E4F0}
.crumb a:hover{color:#FFB98E}
.crumb i{font-style:normal;color:#6D8AA8}
.crumb span{color:#fff}

/* ---------- 详情页主体 ---------- */
.content-layout{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:44px;align-items:start}
.prose{color:var(--text);font-size:15px;line-height:2}
.prose h2{font-size:25px;margin:44px 0 18px;padding-left:14px;border-left:4px solid var(--accent)}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:18px;margin:26px 0 10px;color:var(--navy-2)}
.prose p{margin:0 0 16px}
.prose strong{color:var(--navy)}
.prose ul.dot{margin:0 0 18px}
.prose ul.dot li{position:relative;padding-left:20px;margin-bottom:9px}
.prose ul.dot li::before{content:"";position:absolute;left:2px;top:12px;width:6px;height:6px;background:var(--accent);transform:rotate(45deg)}
.prose .lead{font-size:16.5px;color:var(--navy);font-weight:600;line-height:1.95;background:var(--bg-soft);border-left:4px solid var(--navy);padding:20px 24px;margin-bottom:28px}
.prose .callout{background:var(--bg-tint);border:1px solid #D8E5F1;padding:20px 24px;margin:22px 0;border-radius:var(--radius);font-size:14.5px}
.prose table{width:100%;border-collapse:collapse;margin:18px 0 24px;font-size:14px}
.prose th,.prose td{border:1px solid var(--line);padding:11px 14px;text-align:left}
.prose th{background:var(--bg-tint);color:var(--navy);font-weight:700}
.prose td{color:var(--text)}
.kw-row{display:flex;flex-wrap:wrap;gap:8px;margin:24px 0 0;padding-top:20px;border-top:1px solid var(--line-2)}
.kw-row span{font-size:12.5px;color:var(--blue);background:var(--bg-soft);border:1px solid var(--line);padding:4px 11px;border-radius:2px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);margin-bottom:22px;overflow:hidden}
.side-card h3{font-size:16px;padding:16px 20px;border-bottom:1px solid var(--line);background:var(--bg-soft);margin:0}
.side-card ul{padding:8px 0}
.side-card li a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 20px;font-size:13.8px;color:var(--text)}
.side-card li a svg{width:13px;height:13px;color:var(--steel)}
.side-card li a:hover{background:var(--bg-soft);color:var(--navy)}
.side-contact{background:var(--navy);color:#fff;padding:24px 22px;border-radius:var(--radius)}
.side-contact h3{color:#fff;font-size:16px;margin-bottom:12px}
.side-contact p{font-size:13px;color:#C3D4E5;line-height:1.8;margin-bottom:14px}
.side-contact .phone{display:block;font-size:24px;font-weight:800;color:#fff;letter-spacing:.02em;margin-bottom:14px}
.side-contact .phone:hover{color:#FFB98E}
.side-contact .addr{font-size:13px;color:#C3D4E5;border-top:1px solid rgba(255,255,255,.16);padding-top:12px;margin:0}

/* ---------- 联系卡片 ---------- */
.contact-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.c-card{background:#fff;border:1px solid var(--line);border-top:3px solid var(--navy);padding:30px 26px;text-align:center;border-radius:var(--radius);transition:.25s}
.c-card:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.c-card .ic{width:52px;height:52px;margin:0 auto 18px;background:var(--bg-tint);color:var(--navy);display:flex;align-items:center;justify-content:center;border-radius:50%}
.c-card .ic svg{width:24px;height:24px}
.c-card h3{font-size:17px;margin-bottom:10px}
.c-card p{font-size:14.5px;color:var(--muted);margin:0}
.c-card .phone{font-size:20px;font-weight:800;color:var(--accent)}
.c-card .phone:hover{color:var(--accent-dark)}
.notice-box{background:var(--bg-soft);border:1px dashed #C8D6E4;padding:24px 28px;margin-top:30px;font-size:14px;color:var(--text);line-height:1.9;border-radius:var(--radius)}
.notice-box b{color:var(--navy)}

/* ---------- 城市页专用 ---------- */
.city-hero-band{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:44px}
.city-hero-band div{background:#fff;border:1px solid var(--line);border-left:3px solid var(--accent);padding:20px 22px;border-radius:var(--radius)}
.city-hero-band b{display:block;color:var(--navy);font-size:15.5px;margin-bottom:6px}
.city-hero-band span{font-size:13.2px;color:var(--muted);line-height:1.8}
.area-panel{background:#fff;border:1px solid var(--line);padding:30px 32px;border-radius:var(--radius)}
.area-panel h3{font-size:18px;margin-bottom:14px}
.area-panel .area-tags{margin-bottom:0}
.area-panel .area-tags span{font-size:13px;padding:6px 13px}
.local-seo-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.local-seo-links a{font-size:13.5px;color:var(--navy);border:1px solid var(--line);background:#fff;padding:8px 15px;border-radius:2px;font-weight:600}
.local-seo-links a:hover{border-color:var(--accent);color:var(--accent);background:#FFF7F2}

/* ---------- 返回顶部 / 动画 ---------- */
#backTop{position:fixed;right:22px;bottom:24px;width:44px;height:44px;background:var(--navy);color:#fff;border:0;border-radius:3px;font-size:20px;cursor:pointer;z-index:50;opacity:0;visibility:hidden;transform:translateY(10px);transition:.25s;box-shadow:var(--shadow)}
#backTop.show{opacity:1;visibility:visible;transform:translateY(0)}
#backTop:hover{background:var(--accent)}
.js [data-reveal]{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.js [data-reveal].visible{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  .main-nav > li > a{padding:0 11px;font-size:14px}
  .main-nav > li > a::after{left:11px;right:11px}
  .header-tel{display:none}
  .hero h1{font-size:39px}
  .content-layout{grid-template-columns:minmax(0,1fr) 250px;gap:28px}
  .footer-top{gap:28px}
}
@media (max-width:960px){
  .section{padding:62px 0}
  .nav-toggle{display:flex}
  .header-inner{height:68px}
  .header-cta .btn{display:none}
  .main-nav{position:absolute;top:100%;left:0;right:0;background:#fff;display:none;flex-direction:column;align-items:stretch;height:auto;border-bottom:1px solid var(--line);box-shadow:var(--shadow-lg);padding:8px 0 16px;max-height:calc(100vh - 70px);overflow-y:auto}
  .main-nav.open{display:flex}
  .main-nav > li{height:auto;display:block}
  .main-nav > li > a{height:auto;padding:12px 24px;font-size:15px;justify-content:space-between}
  .main-nav > li > a::after{display:none}
  .main-nav > li.active > a{color:var(--accent);background:var(--bg-soft)}
  .dropdown{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;border-top:0;border-left:3px solid var(--accent);margin:0 24px 6px;padding:2px 0;min-width:0;background:var(--bg-soft)}
  .dropdown a{padding:9px 16px}
  .dropdown a:hover{padding-left:20px}
  .hero h1{font-size:34px}
  .hero-stats{grid-template-columns:repeat(2,1fr);margin-top:52px}
  .hero-stat:nth-child(2){border-right:0}
  .hero-stat:nth-child(-n+2){border-bottom:1px solid rgba(255,255,255,.14)}
  .trust-inner{grid-template-columns:repeat(2,1fr)}
  .trust-item:nth-child(2){border-right:0}
  .trust-item:nth-child(-n+2){border-bottom:1px solid var(--line-2)}
  .svc-grid,.adv-grid,.industry-grid{grid-template-columns:repeat(2,1fr)}
  .about-split{grid-template-columns:1fr;gap:44px}
  .about-media{max-width:640px}
  .about-media::before{left:-10px;top:-10px;width:80px;height:80px}
  .about-badge{right:0}
  .stats{grid-template-columns:repeat(2,1fr)}
  .equip-grid{grid-template-columns:repeat(2,1fr)}
  .process{grid-template-columns:repeat(3,1fr);row-gap:34px}
  .process::before{display:none}
  .gallery{grid-template-columns:repeat(2,1fr)}
  .content-layout{grid-template-columns:1fr}
  .sidebar{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
  .sidebar .side-card{margin-bottom:0}
  .footer-top{grid-template-columns:repeat(2,1fr);gap:32px}
  .city-grid{grid-template-columns:1fr}
  .city-hero-band{grid-template-columns:1fr}
}
@media (max-width:640px){
  .container{padding:0 18px}
  .section{padding:52px 0}
  .topbar .container{flex-direction:column;align-items:flex-start;gap:1px;padding-top:5px;padding-bottom:5px;min-height:0}
  .topbar .tb-left span:nth-child(2){display:none}
  .topbar{font-size:12px}
  .topbar .tb-right b{font-size:13px}
  .topbar .tb-label{display:none}
  .topbar .tb-left span{gap:5px}
  .topbar .tb-left{overflow:hidden;white-space:nowrap;max-width:100%}
  .logo-txt b{font-size:20px}
  .logo-txt span{font-size:9px;letter-spacing:.12em}
  .logo-mark{width:38px;height:38px}
  .hero .container{padding-top:60px}
  .hero h1{font-size:28px;line-height:1.35}
  .hero-lead{font-size:14.5px}
  .hero-kicker{font-size:10px;letter-spacing:.08em;padding-left:9px;margin-bottom:18px}
  .hero-actions{flex-direction:column;align-items:stretch;gap:10px}
  .hero-actions .btn{flex:none;width:100%;min-width:0}
  .hero-stats{margin-top:44px}
  .hero-stat{padding:18px 12px}
  .hero-stat b{font-size:26px}
  .hero-stat span{font-size:11.5px}
  .trust-inner{grid-template-columns:1fr}
  .trust-item{border-right:0;border-bottom:1px solid var(--line-2);padding:18px 6px}
  .trust-item:nth-child(2){border-bottom:1px solid var(--line-2)}
  .trust-item:last-child{border-bottom:0}
  .sec-head{margin-bottom:34px}
  .sec-head h2{font-size:26px}
  .sec-head p{font-size:14px}
  .svc-grid,.adv-grid,.industry-grid,.city-links,.contact-cards{grid-template-columns:1fr}
  .svc-thumb{height:190px}
  .about-media::before{display:none}
  .about-badge{position:static;display:inline-block;margin-top:14px}
  .about-txt h2{font-size:26px}
  .pts{grid-template-columns:1fr 1fr;gap:10px}
  .pt{padding:10px;gap:8px}
  .pt .ic{width:28px;height:28px}
  .pt b{font-size:13px}
  .pt span{font-size:11px}
  .stats{gap:12px}
  .stat{padding:20px 8px}
  .stat .num{font-size:28px}
  .equip-grid{grid-template-columns:1fr}
  .process{grid-template-columns:repeat(2,1fr);row-gap:28px}
  .step .dot{width:50px;height:50px;font-size:17px;margin-bottom:14px}
  .gallery{grid-template-columns:repeat(2,1fr);gap:10px}
  .gallery img{height:150px}
  .gallery figcaption{font-size:11.5px;padding:20px 9px 9px}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:34px 0}
  .cta-inner h3{font-size:22px}
  .cta-right{text-align:left}
  .cta-right .big{font-size:27px}
  .footer-top{grid-template-columns:1fr;gap:26px;padding:44px 0 30px}
  .footer-bottom .container{flex-direction:column;align-items:flex-start}
  .page-hero .container{padding-top:42px;padding-bottom:42px}
  .page-hero h1{font-size:27px}
  .prose{font-size:14.5px}
  .prose h2{font-size:21px;margin-top:34px}
  .prose .lead{font-size:15px;padding:16px 18px}
  .prose table{display:block;overflow-x:auto;white-space:nowrap}
  .process[style]{grid-template-columns:repeat(2,1fr)!important;row-gap:28px}
  .process[style]::before{display:none}
  .faq-item summary{font-size:14.2px;padding:15px 16px}
  .faq-answer{padding:14px 16px 18px 16px;font-size:13.8px}
  .sidebar{grid-template-columns:1fr}
  .city-head,.city-body{padding-left:20px;padding-right:20px}
  .area-panel{padding:22px 20px}
  .contact-cards{gap:14px}
  .c-card{padding:24px 20px}
}
@media print{.topbar,.site-header,#backTop,.cta-band{display:none}}