/* ============================================================
   integine 北京才展软件有限公司 门户网站样式
   ============================================================ */
:root{
  --red:#d9261c;
  --red-dark:#b81d15;
  --dark:#2b2b2b;
  --dark-2:#1f1f1f;
  --text:#333;
  --text-light:#777;
  --bg:#fff;
  --bg-gray:#f4f5f7;
  --border:#e8e8e8;
  --nav-h:72px;
  --w:1200px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
  color:var(--text);background:var(--bg);line-height:1.7;font-size:15px;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s}
ul,ol{list-style:none}
.container{width:100%;max-width:var(--w);margin:0 auto;padding:0 20px}

/* ---------- 顶部导航 ---------- */
.header{
  position:sticky;top:0;z-index:100;background:#fff;
  box-shadow:0 1px 8px rgba(0,0,0,.06);
}
.nav{height:var(--nav-h);display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center;gap:2px;font-style:italic;font-weight:800;font-size:24px;color:var(--red);letter-spacing:-.5px}
.logo-mark{
  width:30px;height:30px;border-radius:50%;background:var(--red);position:relative;
  display:inline-flex;align-items:center;justify-content:center;margin-right:4px;
}
.logo-mark::before{content:"";position:absolute;inset:4px;border:2px solid #fff;border-radius:50%;border-right-color:transparent;transform:rotate(-30deg)}
.logo-mark::after{content:"";width:6px;height:6px;border-radius:50%;background:#fff}
.logo span{font-size:24px}
.menu{display:flex;gap:38px}
.menu a{
  position:relative;font-size:15px;color:#444;padding:6px 2px;font-weight:500;
}
.menu a::after{
  content:"";position:absolute;left:50%;bottom:-4px;width:0;height:2px;background:var(--red);
  transition:all .25s;transform:translateX(-50%);
}
.menu a:hover,.menu a.active{color:var(--red)}
.menu a:hover::after,.menu a.active::after{width:24px}
.nav-tools{display:flex;align-items:center;gap:18px;color:#555;cursor:pointer}
.nav-toggle{display:none;background:none;border:none;font-size:24px;color:#333;cursor:pointer}

/* ---------- 通用 Banner ---------- */
.page-banner{
  position:relative;height:340px;display:flex;align-items:center;overflow:hidden;
  background:linear-gradient(135deg,#16325c 0%,#2b5d96 45%,#3a78b8 100%);
}
.page-banner.city-night{
  background:
    linear-gradient(180deg,rgba(10,22,44,.72) 0%,rgba(10,22,44,.35) 55%,rgba(10,22,44,.55) 100%),
    radial-gradient(120% 90% at 70% 120%,#f0a64d 0%,#7a4a86 22%,#2b4d80 48%,#16294c 100%);
}
.page-banner.city-day{
  background:
    linear-gradient(180deg,rgba(20,50,90,.15),rgba(20,50,90,.35)),
    linear-gradient(180deg,#b9d9f2 0%,#9fc6e8 45%,#7fa9d0 100%);
}
/* 城市剪影 */
.skyline{position:absolute;left:0;right:0;bottom:0;height:45%;opacity:.55}
.page-banner .banner-card{
  position:relative;z-index:2;background:rgba(30,30,30,.55);backdrop-filter:blur(2px);
  padding:34px 46px;max-width:620px;border-left:3px solid var(--red);
}
.page-banner .banner-card h1{font-size:40px;line-height:1.25;color:#fff;font-weight:800}
.page-banner .banner-card h1 em{font-style:normal;color:#ff5b4d}
.page-banner .banner-card .sub{color:#d8d8d8;font-size:15px;margin-top:10px;letter-spacing:1px}
.page-banner .banner-card .en{color:rgba(255,255,255,.55);font-size:12px;letter-spacing:1.5px;margin-top:6px}
.banner-btn{
  display:inline-block;margin-top:22px;padding:10px 34px;border:1px solid rgba(255,255,255,.75);
  border-radius:30px;color:#fff;font-size:14px;background:rgba(255,255,255,.08);
}
.banner-btn:hover{background:var(--red);border-color:var(--red)}
.banner-center{text-align:center;margin:0 auto;position:relative;z-index:2}
.banner-center h1{font-size:38px;color:#123a6b;font-weight:800;letter-spacing:2px}
.banner-center .en{margin-top:12px;color:#555;letter-spacing:6px;font-size:13px}
.banner-center .en::before,.banner-center .en::after{content:"";display:inline-block;width:60px;height:1px;background:#888;vertical-align:middle;margin:0 14px}

/* ---------- 首页 Hero ---------- */
.hero{
  position:relative;min-height:560px;display:flex;align-items:center;overflow:hidden;
  background:linear-gradient(120deg,#eef3f8 0%,#e4edf6 55%,#d8e6f4 100%);
}
.hero-visual{position:absolute;right:4%;top:50%;transform:translateY(-50%);width:46%;opacity:.95}
.hero-inner{position:relative;z-index:2}
.hero h1{font-size:52px;font-weight:900;line-height:1.25;color:#1f2d3d}
.hero h1 .accent{color:var(--red)}
.hero .tag{margin-top:18px;color:var(--red);letter-spacing:6px;font-size:17px;font-weight:600}
.hero .en{color:#98a6b5;letter-spacing:7px;font-size:13px;margin-top:6px}
.hero .line{width:70px;height:3px;background:var(--red);margin:22px 0}

/* ---------- 通用标题 ---------- */
.sec{padding:80px 0}
.sec.gray{background:var(--bg-gray)}
.sec-head{text-align:center;margin-bottom:56px}
.sec-head .dash{display:block;width:36px;height:2px;background:var(--red);margin:0 auto 16px}
.sec-head h2{font-size:32px;font-weight:800;letter-spacing:3px}
.sec-head p{color:var(--text-light);letter-spacing:2px;font-size:13px;text-transform:uppercase;margin-top:8px}
.sec-head .desc{color:var(--text-light);margin-top:14px;letter-spacing:0;text-transform:none;font-size:14px}

/* ---------- 业务类型 ---------- */
.biz-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;text-align:center}
.biz-item h3{color:var(--red);font-size:19px;margin-bottom:12px;letter-spacing:2px}
.biz-item .biz-en{color:#bbb;font-size:11px;letter-spacing:1px;margin-bottom:10px}
.biz-item p{color:var(--text-light);font-size:13.5px;line-height:1.9}

/* ---------- 近期交付 ---------- */
.delivery{display:grid;grid-template-columns:1fr 1.2fr;gap:50px;align-items:center;background:#fff;padding:48px;box-shadow:0 6px 30px rgba(0,0,0,.06)}
.delivery h3{font-size:18px;margin-bottom:16px}
.delivery ul{color:var(--text-light);font-size:13.5px}
.delivery ul li{position:relative;padding-left:14px;margin-bottom:10px;line-height:1.9}
.delivery ul li::before{content:"";position:absolute;left:0;top:11px;width:5px;height:5px;background:var(--red);border-radius:50%}
.delivery-visual{position:relative;height:300px;border-radius:4px;overflow:hidden;
  background:linear-gradient(160deg,#9fc0e0,#5b87b5 55%,#e8edf2);}
.delivery-visual .tank{
  position:absolute;bottom:0;width:100%;height:62%;
  background:repeating-linear-gradient(0deg,#f2f4f6 0 14px,#c9d4de 14px 16px);
}
.delivery-visual .tagbox{
  position:absolute;left:24px;bottom:24px;background:var(--red);color:#fff;
  padding:18px 22px;font-size:12.5px;line-height:1.9;max-width:62%;
}
.delivery-nav{margin-top:18px;text-align:center;color:#999;font-size:13px}
.delivery-nav button{background:none;border:none;font-size:20px;color:#999;cursor:pointer;margin:0 8px}
.delivery-nav button:hover{color:var(--red)}

/* ---------- 服务内容 ---------- */
.service-card{display:grid;grid-template-columns:1fr 1.3fr;gap:50px;align-items:center;background:#fff;box-shadow:0 8px 40px rgba(0,0,0,.08);padding:46px}
.service-photo{height:250px;background:linear-gradient(160deg,#aec6dd,#5d7fa1 60%,#34506e);position:relative;overflow:hidden}
.service-photo::after{content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(90deg,rgba(255,255,255,.08) 0 30px,transparent 30px 60px)}
.service-text p{color:#555;font-size:14px;line-height:2;margin-bottom:24px}
.btn-outline{display:inline-block;border:1px solid var(--red);color:var(--red);padding:9px 30px;border-radius:24px;font-size:14px}
.btn-outline:hover{background:var(--red);color:#fff}

/* 红色能力条 */
.capability{background:var(--red);color:#fff;padding:52px 0}
.cap-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.cap-item{text-align:center;position:relative;padding:10px}
.cap-item+.cap-item::before{content:"";position:absolute;left:0;top:15%;height:70%;width:1px;background:rgba(255,255,255,.35)}
.cap-ico{width:52px;height:52px;margin:0 auto 14px}
.cap-ico svg{width:100%;height:100%;fill:none;stroke:#fff;stroke-width:1.6}
.cap-item h4{font-size:17px;letter-spacing:2px}
.cap-item .en{font-size:11px;opacity:.75;letter-spacing:1px;margin-top:4px}

/* ---------- 案例卡片 ---------- */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.case-card{position:relative;height:340px;overflow:hidden;color:#fff;cursor:pointer}
.case-card .ph{position:absolute;inset:0;transition:transform .5s}
.case-card:hover .ph{transform:scale(1.06)}
.case-card .mask{position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,30,45,.15),rgba(20,30,45,.82))}
.case-card .info{position:absolute;left:0;right:0;bottom:0;padding:28px;text-align:center}
.case-card .info .book-ico{width:38px;height:38px;margin:0 auto 12px;border:2px solid rgba(255,255,255,.85);border-radius:4px;position:relative}
.case-card .info .book-ico::before{content:"";position:absolute;left:50%;top:6px;bottom:6px;width:1.5px;background:rgba(255,255,255,.85)}
.case-card h3{font-size:20px;margin-bottom:10px;letter-spacing:1px}
.case-card p{font-size:13.5px;opacity:.9;line-height:2}
.ph-castle{background:linear-gradient(180deg,#c86a4a,#7a3a52 55%,#3a2742)}
.ph-gas{background:linear-gradient(180deg,#7db4e8,#3d6da3 60%,#dfe6ee)}
.ph-car{background:linear-gradient(180deg,#4a4a55,#23232b)}
.ph-finance{background:linear-gradient(180deg,#2b3f66,#101c33)}
.center-btn{text-align:center;margin-top:44px}
.btn-red{display:inline-flex;align-items:center;gap:10px;background:var(--red);color:#fff;padding:12px 38px;border-radius:6px;font-size:15px}
.btn-red:hover{background:var(--red-dark)}
.btn-red .arr{width:26px;height:26px;background:rgba(255,255,255,.25);border-radius:4px;display:inline-flex;align-items:center;justify-content:center;font-size:13px}

/* ---------- 关于页 ---------- */
.about-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:60px;align-items:center}
.about-grid h2{font-size:32px;color:var(--red);letter-spacing:2px}
.about-grid .en-sub{color:#999;letter-spacing:2px;margin:6px 0 22px}
.about-grid .rule{width:46px;height:3px;background:var(--red);margin-bottom:24px}
.about-grid p{color:#666;font-size:14px;line-height:2.1;margin-bottom:14px}
.about-photo{height:380px;background:linear-gradient(155deg,#b8cee2,#6988a8 55%,#2e4a68);position:relative;overflow:hidden}
.about-photo::after{content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(90deg,rgba(255,255,255,.07) 0 26px,transparent 26px 52px)}
.stats{display:flex;gap:56px;margin-top:34px}
.stat b{display:block;font-size:44px;color:#222;font-weight:800;line-height:1.1}
.stat span{font-size:13px;color:#999}

/* 资质证书 */
.cert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;background:#fff;padding:44px;box-shadow:0 6px 30px rgba(0,0,0,.05)}
.cert{text-align:center;padding:18px 10px;border:1px solid var(--border)}
.cert .paper{
  width:78px;height:104px;margin:0 auto 14px;background:linear-gradient(180deg,#f7f3e3,#e6dfc4);
  border:1px solid #cfc6a4;position:relative;padding:10px 8px;
}
.cert .paper::before{content:"";position:absolute;top:8px;left:8px;right:8px;height:26px;border:1px solid #c33}
.cert .paper::after{content:"★";position:absolute;bottom:10px;left:50%;transform:translateX(-50%);color:#c33;font-size:14px}
.cert .paper i{position:absolute;top:42px;left:12px;right:12px;height:2px;background:#b9ad88;box-shadow:0 7px 0 #d5ccae,0 14px 0 #d5ccae}
.cert p{font-size:13px;color:#555}

/* 发展历程 */
.timeline{position:relative;max-width:900px;margin:0 auto;padding:20px 0}
.timeline::before{content:"";position:absolute;left:50%;top:0;bottom:0;width:2px;background:#e0e0e0;transform:translateX(-50%)}
.tl-item{position:relative;width:50%;padding:0 46px 46px}
.tl-item:nth-child(odd){left:0;text-align:right}
.tl-item:nth-child(even){left:50%;text-align:left}
.tl-item::before{content:"";position:absolute;top:6px;width:12px;height:12px;border-radius:50%;background:var(--red);border:3px solid #fff;box-shadow:0 0 0 2px var(--red);z-index:2}
.tl-item:nth-child(odd)::before{right:-6px}
.tl-item:nth-child(even)::before{left:-6px}
.tl-item h3{font-size:19px;color:#333}
.tl-item h3 em{font-style:normal;color:var(--red)}
.tl-item p{color:#888;font-size:13px;margin-top:6px}

/* ---------- 产品页 ---------- */
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;max-width:1080px;margin:0 auto}
.prod-card{
  min-height:300px;padding:44px 36px;color:#fff;text-align:center;position:relative;
  display:flex;flex-direction:column;justify-content:center;
}
.prod-card+.prod-card{border-left:1px solid rgba(255,255,255,.12)}
.prod-card:nth-child(1){background:linear-gradient(160deg,#14335e,#0a1c38)}
.prod-card:nth-child(2){background:linear-gradient(160deg,#1b3f6e,#0d2342)}
.prod-card:nth-child(3){background:linear-gradient(160deg,#173a63,#081830)}
.prod-ico{width:64px;height:64px;margin:0 auto 20px}
.prod-ico svg{width:100%;height:100%;stroke:#7fc4ff;fill:none;stroke-width:1.5}
.prod-card h3{font-size:20px;margin-bottom:14px;letter-spacing:1px}
.prod-card p{font-size:13px;color:rgba(255,255,255,.72);line-height:2}

.tabs{display:flex;justify-content:center;gap:0;margin-bottom:40px}
.tab-btn{
  padding:14px 44px;font-size:16px;background:#e8ebef;color:#555;border:none;cursor:pointer;
  letter-spacing:2px;
}
.tab-btn:first-child{border-radius:6px 0 0 6px}
.tab-btn:last-child{border-radius:0 6px 6px 0}
.tab-btn.active{background:var(--red);color:#fff;font-weight:600}
.tab-panel{display:none;text-align:center;max-width:760px;margin:0 auto}
.tab-panel.active{display:block;animation:fade .4s}
.tab-panel p{color:#666;line-height:2.1;font-size:15px}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.tab-visual{height:380px;margin-top:46px;position:relative;overflow:hidden;
  background:linear-gradient(120deg,#243447,#101a26);}
.tab-visual::before{
  content:"";position:absolute;inset:0;opacity:.25;
  background:repeating-linear-gradient(90deg,rgba(255,255,255,.4) 0 2px,transparent 2px 90px),
  repeating-linear-gradient(0deg,rgba(255,255,255,.4) 0 2px,transparent 2px 70px);
}
.tab-visual .grid-box{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:300px;height:300px;display:grid;grid-template-columns:1fr 1fr;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.25);
}
.tab-visual .grid-box span{border:1px solid rgba(255,255,255,.18);display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.75);font-size:14px;letter-spacing:3px}

/* 合作流程 */
.flow{display:flex;justify-content:space-between;position:relative;margin-top:20px}
.flow::before{content:"";position:absolute;left:5%;right:5%;top:34px;height:2px;
  background:repeating-linear-gradient(90deg,#c9c9c9 0 8px,transparent 8px 16px);z-index:0}
.flow-step{position:relative;z-index:1;text-align:center;width:13%}
.flow-step .circle{
  width:68px;height:68px;border-radius:50%;background:#fff;border:2px solid #cfcfcf;
  display:flex;align-items:center;justify-content:center;margin:0 auto 14px;
}
.flow-step .circle svg{width:28px;height:28px;stroke:#888;fill:none;stroke-width:1.6}
.flow-step p{font-size:13px;color:#555;white-space:nowrap}
.flow-step b{display:block;font-size:30px;color:#c2c2c2;font-weight:700;margin-top:4px;font-style:italic}
.flow-step:hover .circle{border-color:var(--red);box-shadow:0 4px 14px rgba(217,38,28,.25)}
.flow-step:hover .circle svg{stroke:var(--red)}
.btn-dark{display:inline-block;background:#222;color:#fff;padding:11px 34px;font-size:14px;letter-spacing:2px}
.btn-dark:hover{background:var(--red)}

/* ---------- 方案页 ---------- */
.solution-figure{border:1px solid var(--border);padding:14px;background:#fff;box-shadow:0 6px 30px rgba(0,0,0,.06)}
.solution-text{max-width:960px;margin:50px auto 0}
.solution-text p{color:#555;font-size:14.5px;line-height:2.2;margin-bottom:18px;text-indent:2em}
.solution-points{max-width:960px;margin:10px auto 0;display:grid;grid-template-columns:1fr 1fr;gap:18px 40px}
.sp-item{display:flex;gap:14px;background:#fff;padding:22px 24px;border-left:3px solid var(--red);box-shadow:0 4px 18px rgba(0,0,0,.05)}
.sp-item .n{font-size:26px;font-weight:800;color:var(--red);font-style:italic;line-height:1}
.sp-item h4{font-size:16px;margin-bottom:6px}
.sp-item p{font-size:13px;color:#888;line-height:1.8}

/* ---------- 案例页 ---------- */
.recent-cases{position:relative;max-width:1060px;margin:0 auto}
.rc-track{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.rc-card{background:#fff;box-shadow:0 6px 24px rgba(0,0,0,.07);transition:transform .3s,box-shadow .3s}
.rc-card:hover{transform:translateY(-6px);box-shadow:0 14px 34px rgba(0,0,0,.13)}
.rc-card .thumb{height:210px;position:relative}
.rc-card .thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(0,0,0,.25))}
.rc-card .rc-body{padding:22px;text-align:center}
.rc-card h3{font-size:17px;margin-bottom:8px}
.rc-card p{font-size:12.5px;color:#999;line-height:1.9}
.rc-card.featured .rc-body{background:var(--red);color:#fff}
.rc-card.featured .rc-body p{color:rgba(255,255,255,.85)}
.rc-card.featured h3{color:#fff}
.rc-arrow{position:absolute;top:95px;width:44px;height:44px;border-radius:50%;background:#fff;border:1px solid #ddd;
  font-size:18px;color:#999;cursor:pointer;z-index:3;box-shadow:0 3px 10px rgba(0,0,0,.1)}
.rc-arrow:hover{color:var(--red);border-color:var(--red)}
.rc-prev{left:-22px}
.rc-next{right:-22px}

/* 菱形行业分类 */
.diamonds{display:flex;flex-wrap:wrap;justify-content:center;gap:26px;margin-top:20px}
.diamond{
  width:150px;height:150px;transform:rotate(45deg);background:#8a8f96;
  display:flex;align-items:center;justify-content:center;transition:.3s;cursor:pointer;
}
.diamond:nth-child(2){background:var(--red)}
.diamond:hover{background:var(--red)}
.diamond span{transform:rotate(-45deg);color:#fff;text-align:center;font-size:14px;letter-spacing:1px;line-height:1.8;display:block}
.diamond span small{display:block;font-size:9px;opacity:.7;letter-spacing:1px}
.diamond-down{text-align:center;margin:30px 0 0}
.diamond-down i{display:inline-block;width:0;height:0;border-left:20px solid transparent;border-right:20px solid transparent;border-top:24px solid #222}

/* 客户与伙伴 */
.client-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:0;max-width:1000px;margin:0 auto}
.client-card{height:300px;position:relative;display:flex;align-items:flex-start;justify-content:center;padding-top:40px;color:#fff}
.client-card+.client-card{border-left:1px solid rgba(255,255,255,.25)}
.client-card .badge{background:#fff;color:#333;padding:8px 18px;font-size:14px;font-weight:600;letter-spacing:1px}
.client-card:nth-child(1){background:linear-gradient(180deg,#4b6fa8,#1e3455)}
.client-card:nth-child(2){background:linear-gradient(180deg,#3b5f94,#15294a)}
.client-card:nth-child(3){background:linear-gradient(180deg,#5a6b80,#26313e)}
.partner-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;max-width:1060px;margin:0 auto}
.partner{
  height:64px;background:#fff;border:1px solid var(--border);display:flex;align-items:center;justify-content:center;
  font-weight:700;color:#555;letter-spacing:1px;font-size:16px;gap:6px;
}
.partner .logo-mini{font-size:20px}
.partner:hover{box-shadow:0 6px 18px rgba(0,0,0,.1);transform:translateY(-2px);transition:.25s}

/* ---------- 联系页 ---------- */
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);background:#fff;box-shadow:0 6px 30px rgba(0,0,0,.06)}
.contact-item{text-align:center;padding:48px 30px;position:relative}
.contact-item+.contact-item::before{content:"";position:absolute;left:0;top:25%;height:50%;width:1px solid var(--border)}
.contact-ico{width:56px;height:56px;border-radius:50%;background:#fdecea;display:flex;align-items:center;justify-content:center;margin:0 auto 18px}
.contact-ico svg{width:26px;height:26px;stroke:var(--red);fill:none;stroke-width:1.6}
.contact-item h3{font-size:16px;margin-bottom:10px}
.contact-item p{color:#888;font-size:14px}
.map-box{margin-top:44px;height:440px;position:relative;overflow:hidden;border:1px solid var(--border);
  background:
    linear-gradient(rgba(210,224,238,.85),rgba(210,224,238,.85)),
    repeating-linear-gradient(90deg,#cdd9e6 0 2px,transparent 2px 130px),
    repeating-linear-gradient(0deg,#cdd9e6 0 2px,transparent 2px 130px),#e8eff6;
}
.map-roads{position:absolute;inset:0}
.map-road{position:absolute;background:#fff;box-shadow:0 0 0 2px #c3d2e0}
.map-road.r1{left:38%;top:0;bottom:0;width:22px}
.map-road.r2{left:0;right:0;top:58%;height:20px}
.map-road.r3{left:12%;top:0;bottom:0;width:14px;transform:skewX(-6deg)}
.map-road.r4{left:0;right:0;top:30%;height:12px}
.map-pin{position:absolute;left:46%;top:48%;z-index:3;text-align:left}
.map-pin .pin-dot{width:18px;height:18px;background:var(--red);border:3px solid #fff;border-radius:50% 50% 50% 0;transform:rotate(-45deg);box-shadow:0 3px 8px rgba(0,0,0,.25)}
.map-card{position:absolute;left:24px;top:-86px;background:#fff;padding:14px 18px;font-size:13px;line-height:1.9;box-shadow:0 4px 18px rgba(0,0,0,.12);white-space:nowrap}
.map-card b{color:var(--red)}
.map-label{position:absolute;background:#fff;border-radius:4px;padding:3px 10px;font-size:12px;color:#777;box-shadow:0 2px 6px rgba(0,0,0,.08)}
.map-l1{left:30%;top:20%}.map-l2{right:18%;top:42%}.map-l3{left:18%;bottom:18%}

/* ---------- 页脚 ---------- */
.footer{background:var(--dark);color:#b5b5b5;padding:60px 0 0;font-size:13px}
.footer-grid{display:grid;grid-template-columns:repeat(4,1fr) 1.4fr;gap:30px;padding-bottom:44px;border-bottom:1px solid #444}
.footer h4{color:#fff;font-size:14px;margin-bottom:20px;font-weight:600}
.footer ul li{margin-bottom:12px}
.footer ul li a:hover{color:var(--red)}
.footer-hotline{text-align:right}
.footer-hotline .lbl{color:#ddd;font-size:13px;margin-bottom:6px}
.footer-hotline .tel{font-size:30px;color:#fff;font-weight:800;letter-spacing:1px}
.footer-hotline .addr{margin-top:10px;line-height:1.9;font-size:12px}
.copyright{text-align:center;padding:22px 0;color:#888;font-size:12px}

/* ---------- 滚动动画 ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:all .7s ease}
.reveal.visible{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media(max-width:960px){
  .menu{
    position:absolute;top:var(--nav-h);left:0;right:0;background:#fff;flex-direction:column;
    gap:0;padding:10px 0;box-shadow:0 10px 20px rgba(0,0,0,.08);display:none;
  }
  .menu.open{display:flex}
  .menu a{padding:14px 28px}
  .menu a::after{display:none}
  .nav-toggle{display:block}
  .nav-tools .search-link{display:none}
  .hero h1{font-size:34px}
  .hero-visual{display:none}
  .biz-grid,.cap-grid{grid-template-columns:repeat(2,1fr);gap:34px 0}
  .cap-item:nth-child(3)::before{display:none}
  .delivery,.service-card,.about-grid{grid-template-columns:1fr;padding:28px}
  .case-grid,.rc-track,.client-strip{grid-template-columns:1fr}
  .cert-grid,.partner-grid{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr}
  .contact-item+.contact-item::before{display:none}
  .solution-points{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-hotline{text-align:left;grid-column:1/-1}
  .prod-grid{grid-template-columns:1fr}
  .prod-card+.prod-card{border-left:none;border-top:1px solid rgba(255,255,255,.12)}
  .flow{flex-wrap:wrap;gap:24px}
  .flow::before{display:none}
  .flow-step{width:30%}
  .timeline::before{left:8px}
  .tl-item{width:100%;left:0!important;text-align:left!important;padding:0 0 36px 36px}
  .tl-item::before{left:2px!important;right:auto!important}
  .page-banner .banner-card{padding:24px;margin:0 16px}
  .page-banner .banner-card h1{font-size:28px}
  .diamond{width:120px;height:120px}
  .rc-arrow{display:none}
}