@charset "utf-8";
/* =============================================================
   宁波天科电器服务有限公司 —— 前台样式表
   ============================================================= */

:root{
  --blue:#0e4b96;          /* 主色 深蓝 */
  --blue-d:#083573;        /* 深一档 */
  --blue-l:#1a63b8;        /* 浅一档 */
  --blue-bg:#f2f7fd;       /* 淡蓝底 */
  --blue-line:#dce8f7;
  --orange:#e8590c;        /* 强调色 */
  --orange-d:#c94809;
  --orange-l:#ff7a2e;
  --ink:#1c2b3a;           /* 主文字 */
  --ink-2:#42566b;         /* 次要文字 */
  --ink-3:#7b8ea2;         /* 辅助文字 */
  --line:#e6ecf3;
  --bg:#f6f8fb;
  --white:#fff;
  --radius:10px;
  --radius-lg:16px;
  --shadow-s:0 1px 3px rgba(20,55,105,.06);
  --shadow:0 4px 18px rgba(20,55,105,.08);
  --shadow-l:0 10px 34px rgba(20,55,105,.12);
  --maxw:1200px;
  --dur:.28s;
}

/* ---------- 复位 ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent;}
body{
  margin:0;
  font:15px/1.8 -apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC","Hiragino Sans GB",sans-serif;
  color:var(--ink);
  background:var(--white);
  overflow-x:hidden;
}
h1,h2,h3,h4,h5,h6,p,figure,ul,ol,dl,dd{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;height:auto;border:0;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--dur);}
a:hover{color:var(--blue-l);}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;outline:none;}
table{border-collapse:collapse;width:100%;}
em{font-style:normal;}

/* ---------- 版心 ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px;}
.wrap-sm{max-width:920px;margin:0 auto;padding:0 20px;}

/* =============================================================
   一、顶部信息条
   ============================================================= */
.topbar{
  background:var(--blue-d);color:#c9dcf3;font-size:13px;line-height:1;
}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;height:38px;}
.topbar .tb-left{display:flex;align-items:center;gap:8px;overflow:hidden;white-space:nowrap;}
.topbar .tb-dot{
  width:6px;height:6px;border-radius:50%;background:#4ee08a;flex:0 0 auto;
  box-shadow:0 0 0 3px rgba(78,224,138,.22);
}
.topbar .tb-right{display:flex;align-items:center;gap:18px;flex:0 0 auto;}
.topbar a:hover{color:#fff;}
.topbar .tb-time{color:#8fb6e2;}

/* =============================================================
   二、头部
   ============================================================= */
.header{
  background:var(--white);border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:900;
  transition:box-shadow var(--dur);
}
.header.is-stuck{box-shadow:0 3px 16px rgba(20,55,105,.09);}
.header .wrap{display:flex;align-items:center;gap:30px;height:82px;}

/* Logo */
.logo{display:flex;align-items:center;gap:13px;flex:0 0 auto;}
.logo-mark{
  width:46px;height:46px;border-radius:11px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--blue-l),var(--blue-d));
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 12px rgba(14,75,150,.28);
}
.logo-mark svg{width:27px;height:27px;fill:#fff;}
.logo-txt strong{
  display:block;font-size:19px;font-weight:700;color:var(--ink);
  letter-spacing:.6px;line-height:1.25;
}
.logo-txt span{
  display:block;font-size:10.5px;color:var(--ink-3);
  letter-spacing:.4px;text-transform:uppercase;line-height:1.4;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:330px;
}
.logo-img{height:46px;width:auto;}

/* 导航 */
.nav{margin-left:auto;display:flex;align-items:center;}
.nav ul{display:flex;align-items:center;gap:2px;}
.nav a{
  display:block;position:relative;padding:0 15px;height:82px;line-height:82px;
  font-size:15px;color:var(--ink-2);font-weight:500;white-space:nowrap;
}
.nav a::after{
  content:'';position:absolute;left:50%;bottom:22px;width:0;height:2.5px;
  background:var(--blue);border-radius:2px;transform:translateX(-50%);
  transition:width var(--dur);
}
.nav a:hover{color:var(--blue);}
.nav a:hover::after{width:24px;}
.nav li.on a{color:var(--blue);font-weight:700;}
.nav li.on a::after{width:24px;}

/* 头部电话 */
.head-phone{
  display:flex;align-items:center;gap:11px;flex:0 0 auto;
  padding-left:24px;border-left:1px solid var(--line);
}
.head-phone .hp-ico{
  width:40px;height:40px;border-radius:10px;flex:0 0 auto;
  background:var(--blue-bg);display:flex;align-items:center;justify-content:center;
}
.head-phone .hp-ico svg{width:20px;height:20px;fill:var(--blue);}
.head-phone em{display:block;font-size:11.5px;color:var(--ink-3);line-height:1.4;}
.head-phone b{
  display:block;font-size:19px;font-weight:700;color:var(--blue);
  letter-spacing:.4px;line-height:1.3;font-family:"DIN Alternate","Arial Narrow",Arial,sans-serif;
}
a.head-phone:hover b{color:var(--orange);}

/* 汉堡按钮 */
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);
  background:var(--white);border-radius:9px;cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;padding:0;
}
.nav-toggle i{display:block;width:20px;height:2px;background:var(--ink-2);border-radius:2px;transition:var(--dur);}
.nav-toggle.on i:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.on i:nth-child(2){opacity:0;}
.nav-toggle.on i:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* =============================================================
   三、通用按钮
   ============================================================= */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 30px;border-radius:8px;border:1.5px solid transparent;
  font-size:15.5px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:all var(--dur);letter-spacing:.4px;
}
.btn svg{width:19px;height:19px;fill:currentColor;flex:0 0 auto;}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 5px 16px rgba(232,89,12,.28);}
.btn-primary:hover{background:var(--orange-d);color:#fff;transform:translateY(-2px);box-shadow:0 8px 22px rgba(232,89,12,.34);}
.btn-blue{background:var(--blue);color:#fff;box-shadow:0 5px 16px rgba(14,75,150,.24);}
.btn-blue:hover{background:var(--blue-d);color:#fff;transform:translateY(-2px);}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.5);}
.btn-ghost:hover{background:#fff;color:var(--blue);border-color:#fff;}
.btn-line{background:var(--white);color:var(--blue);border-color:var(--blue-line);}
.btn-line:hover{background:var(--blue-bg);color:var(--blue);border-color:var(--blue-l);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-lg{height:56px;padding:0 40px;font-size:17px;}

/* =============================================================
   四、首页首屏
   ============================================================= */
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,#0a3f83 0%,#0e4b96 42%,#1a63b8 100%);
  color:#fff;padding:74px 0 0;
}
.hero::before{
  content:'';position:absolute;right:-170px;top:-170px;width:620px;height:620px;
  border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.10),transparent 68%);
}
.hero::after{
  content:'';position:absolute;left:-120px;bottom:-260px;width:520px;height:520px;
  border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.06),transparent 70%);
}
.hero .wrap{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1fr 396px;gap:60px;align-items:center;}

.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.24);
  padding:7px 16px;border-radius:100px;font-size:13.5px;color:#dce9fa;margin-bottom:24px;
}
.hero-badge svg{width:15px;height:15px;fill:#4ee08a;}

.hero h1{
  font-size:46px;line-height:1.3;font-weight:700;letter-spacing:.5px;
  margin-bottom:22px;text-shadow:0 2px 14px rgba(0,0,0,.14);
}
.hero h1 em{color:#ffc078;}
.hero-lead{
  font-size:16.5px;line-height:2;color:#cfe1f7;margin-bottom:34px;max-width:620px;
}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:38px;}

.hero-points{display:flex;gap:34px;flex-wrap:wrap;}
.hero-points li{display:flex;align-items:center;gap:9px;font-size:14.5px;color:#d5e5f8;}
.hero-points svg{width:19px;height:19px;fill:#4ee08a;flex:0 0 auto;}

/* 首屏右侧咨询卡 */
.hero-card{
  background:#fff;border-radius:var(--radius-lg);padding:30px 28px 26px;
  box-shadow:0 22px 50px rgba(4,28,62,.34);color:var(--ink);
}
.hero-card h3{font-size:19px;font-weight:700;color:var(--ink);margin-bottom:6px;}
.hero-card .hc-sub{font-size:13px;color:var(--ink-3);margin-bottom:20px;}
.hc-phone{
  display:flex;align-items:center;gap:12px;background:var(--blue-bg);
  border:1px solid var(--blue-line);border-radius:11px;padding:15px 17px;margin-bottom:16px;
}
.hc-phone .i{width:42px;height:42px;border-radius:50%;background:var(--blue);display:flex;align-items:center;justify-content:center;flex:0 0 auto;}
.hc-phone .i svg{width:21px;height:21px;fill:#fff;}
.hc-phone em{display:block;font-size:12px;color:var(--ink-3);line-height:1.4;}
.hc-phone b{
  font-size:23px;color:var(--blue);font-weight:700;letter-spacing:.5px;line-height:1.25;
  font-family:"DIN Alternate","Arial Narrow",Arial,sans-serif;
}
.hc-phone:hover b{color:var(--orange);}
.hero-card .btn{width:100%;}
.hc-note{
  text-align:center;font-size:12.5px;color:var(--ink-3);margin-top:14px;
  padding-top:14px;border-top:1px dashed var(--line);
}
.hc-tags{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:18px;}
.hc-tags span{
  background:var(--bg);border:1px solid var(--line);color:var(--ink-2);
  font-size:12.5px;padding:5px 11px;border-radius:5px;
}

/* 首屏底部快速入口 */
.hero-quick{
  position:relative;z-index:3;margin-top:56px;
  background:rgba(255,255,255,.09);
  border-top:1px solid rgba(255,255,255,.16);
  backdrop-filter:blur(6px);
}
.hero-quick ul{display:grid;grid-template-columns:repeat(6,1fr);}
.hero-quick li{border-right:1px solid rgba(255,255,255,.13);}
.hero-quick li:last-child{border-right:0;}
.hero-quick a{
  display:flex;flex-direction:column;align-items:center;gap:9px;
  padding:24px 10px;color:#dbe9fa;font-size:14.5px;transition:background var(--dur);
}
.hero-quick a:hover{background:rgba(255,255,255,.13);color:#fff;}
.hero-quick svg{width:30px;height:30px;fill:#8fc0f0;transition:fill var(--dur);}
.hero-quick a:hover svg{fill:#fff;}

/* =============================================================
   五、区块通用
   ============================================================= */
.sec{padding:78px 0;}
.sec-tight{padding:56px 0;}
.sec-gray{background:var(--bg);}
.sec-blue{background:var(--blue-bg);}

.sec-head{text-align:center;max-width:760px;margin:0 auto 46px;}
.sec-head.left{text-align:left;margin-left:0;}
.sec-tag{
  display:inline-block;color:var(--blue);font-size:13px;font-weight:600;
  letter-spacing:2.6px;text-transform:uppercase;margin-bottom:12px;
}
.sec-head h2{
  font-size:32px;font-weight:700;color:var(--ink);letter-spacing:.5px;line-height:1.4;
}
.sec-head h2 em{color:var(--blue);}
.sec-head h2::after{
  content:'';display:block;width:44px;height:3px;background:var(--orange);
  border-radius:2px;margin:18px auto 0;
}
.sec-head.left h2::after{margin-left:0;}
.sec-head p{font-size:15.5px;color:var(--ink-2);line-height:1.95;margin-top:18px;}

/* =============================================================
   六、服务项目卡片
   ============================================================= */
.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-lg);
  overflow:hidden;transition:all var(--dur);position:relative;display:flex;flex-direction:column;
}
.svc-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-l);border-color:var(--blue-line);}
.svc-thumb{
  height:158px;position:relative;overflow:hidden;
  background:linear-gradient(135deg,#eaf2fc,#dbe9fa);
  display:flex;align-items:center;justify-content:center;
}
.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 .ph-ico{width:62px;height:62px;fill:var(--blue-l);opacity:.5;}
.svc-hot{
  position:absolute;top:12px;left:12px;background:var(--orange);color:#fff;
  font-size:12px;padding:3px 10px;border-radius:4px;letter-spacing:.5px;
  box-shadow:0 3px 9px rgba(232,89,12,.32);
}
.svc-body{padding:22px 24px 24px;flex:1;display:flex;flex-direction:column;}
.svc-body h3{font-size:19px;font-weight:700;color:var(--ink);margin-bottom:7px;letter-spacing:.3px;}
.svc-body .svc-sub{font-size:12.5px;color:var(--ink-3);margin-bottom:13px;letter-spacing:.2px;}
.svc-body p{font-size:14px;color:var(--ink-2);line-height:1.85;flex:1;margin-bottom:16px;}
.svc-tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:18px;}
.svc-tags span{
  font-size:12px;color:var(--ink-2);background:var(--bg);
  border:1px solid var(--line);padding:3px 9px;border-radius:4px;
}
.svc-more{
  display:flex;align-items:center;justify-content:space-between;
  padding-top:15px;border-top:1px dashed var(--line);font-size:14px;
  color:var(--blue);font-weight:600;
}
.svc-more svg{width:17px;height:17px;fill:var(--blue);transition:transform var(--dur);}
.svc-card:hover .svc-more svg{transform:translateX(4px);}

/* =============================================================
   六之二、服务范围示意图版块
   （AI 生成场景图，明确标注，不承担信任背书）
   ============================================================= */
.scene-sec{background:var(--bg);}
.scene-note{
  display:flex;align-items:flex-start;gap:10px;
  max-width:960px;margin:0 auto 30px;padding:14px 18px;
  background:var(--blue-bg);border:1px solid var(--blue-line);
  border-radius:var(--radius);font-size:13.5px;line-height:1.85;color:var(--ink-2);
}
.scene-note svg{width:19px;height:19px;fill:var(--blue);flex:0 0 auto;margin-top:3px;}
.scene-note strong{color:var(--blue-d);}
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.scene-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-s);transition:box-shadow var(--dur),transform var(--dur);
}
.scene-item:hover{box-shadow:var(--shadow);transform:translateY(-3px);}
.scene-img{position:relative;height:186px;overflow:hidden;background:var(--blue-bg);}
.scene-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s;}
@supports (aspect-ratio:4/3){
  .scene-img{height:auto;aspect-ratio:4/3;}
}
.scene-item:hover .scene-img img{transform:scale(1.05);}
.scene-tag{
  position:absolute;left:10px;bottom:10px;
  background:rgba(12,32,58,.72);color:#fff;font-size:11.5px;
  padding:3px 9px;border-radius:4px;letter-spacing:.5px;backdrop-filter:blur(3px);
}
.scene-item figcaption{padding:13px 15px 15px;}
.scene-item figcaption strong{display:block;font-size:15px;font-weight:700;color:var(--ink);}
.scene-item figcaption span{display:block;font-size:12.5px;color:var(--ink-3);margin-top:3px;line-height:1.65;}

/* =============================================================
   七、服务优势
   ============================================================= */
.adv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.adv-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:30px 26px;transition:all var(--dur);position:relative;overflow:hidden;
}
.adv-item::before{
  content:'';position:absolute;left:0;top:0;width:3px;height:0;
  background:var(--blue);transition:height var(--dur);
}
.adv-item:hover::before{height:100%;}
.adv-item:hover{box-shadow:var(--shadow);transform:translateY(-4px);}
.adv-ico{
  width:54px;height:54px;border-radius:13px;background:var(--blue-bg);
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;
  transition:background var(--dur);
}
.adv-ico svg{width:27px;height:27px;fill:var(--blue);transition:fill var(--dur);}
.adv-item:hover .adv-ico{background:var(--blue);}
.adv-item:hover .adv-ico svg{fill:#fff;}
.adv-item h3{font-size:17.5px;font-weight:700;color:var(--ink);margin-bottom:7px;}
.adv-item .adv-sub{font-size:13px;color:var(--orange);margin-bottom:11px;font-weight:600;}
.adv-item p{font-size:14px;color:var(--ink-2);line-height:1.9;}

/* =============================================================
   八、数据统计
   ============================================================= */
.stat-band{
  background:linear-gradient(135deg,#0a3f83,#15539e 55%,#1a63b8);
  color:#fff;padding:52px 0;position:relative;overflow:hidden;
}
.stat-band::before{
  content:'';position:absolute;left:50%;top:-190px;width:560px;height:560px;
  margin-left:-280px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.09),transparent 70%);
}
.stat-band .wrap{position:relative;z-index:2;}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.stat-item{text-align:center;padding:6px 14px;border-right:1px solid rgba(255,255,255,.15);}
.stat-item:last-child{border-right:0;}
.stat-num{
  font-size:44px;font-weight:700;line-height:1.1;letter-spacing:.5px;
  font-family:"DIN Alternate","Arial Narrow",Arial,sans-serif;
}
.stat-num i{font-size:18px;font-style:normal;margin-left:3px;color:#9ec8f2;}
.stat-label{font-size:14px;color:#b9d4ef;margin-top:9px;letter-spacing:.5px;}

/* =============================================================
   九、服务流程
   ============================================================= */
.flow-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.flow-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px 26px 26px;position:relative;transition:all var(--dur);
}
.flow-item:hover{border-color:var(--blue-line);box-shadow:var(--shadow);transform:translateY(-4px);}
.flow-no{
  position:absolute;right:22px;top:20px;
  font-size:40px;font-weight:700;color:#eaf1fa;line-height:1;
  font-family:"DIN Alternate",Arial,sans-serif;letter-spacing:-1px;
}
.flow-ico{
  width:50px;height:50px;border-radius:12px;
  background:linear-gradient(135deg,var(--blue-l),var(--blue));
  display:flex;align-items:center;justify-content:center;margin-bottom:17px;
  box-shadow:0 5px 13px rgba(14,75,150,.2);
}
.flow-ico svg{width:25px;height:25px;fill:#fff;}
.flow-item h3{font-size:17px;font-weight:700;color:var(--ink);margin-bottom:10px;}
.flow-item p{font-size:13.5px;color:var(--ink-2);line-height:1.88;}
.flow-arrow{display:none;}

/* 流程时间轴（流程页） */
.flow-list{max-width:900px;margin:0 auto;}
.flow-row{
  display:grid;grid-template-columns:88px 1fr;gap:26px;position:relative;padding-bottom:34px;
}
.flow-row:last-child{padding-bottom:0;}
.flow-row::before{
  content:'';position:absolute;left:43px;top:88px;bottom:0;width:2px;
  background:linear-gradient(180deg,var(--blue-line),var(--blue-bg));
}
.flow-row:last-child::before{display:none;}
.flow-dot{
  width:88px;height:88px;border-radius:50%;background:#fff;
  border:2px solid var(--blue-line);display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:2px;position:relative;z-index:2;
  transition:all var(--dur);
}
.flow-dot svg{width:27px;height:27px;fill:var(--blue);}
.flow-dot b{
  font-size:11px;color:var(--blue);font-weight:700;letter-spacing:1px;
  font-family:"DIN Alternate",Arial,sans-serif;
}
.flow-row:hover .flow-dot{border-color:var(--blue);background:var(--blue-bg);}
.flow-body{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:24px 28px;transition:all var(--dur);
}
.flow-row:hover .flow-body{box-shadow:var(--shadow);border-color:var(--blue-line);}
.flow-body h3{font-size:18px;font-weight:700;color:var(--ink);margin-bottom:10px;}
.flow-body p{font-size:14.5px;color:var(--ink-2);line-height:1.92;}

/* =============================================================
   十、客户评价
   ============================================================= */
.testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.testi-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px 26px;position:relative;transition:all var(--dur);
}
.testi-item:hover{box-shadow:var(--shadow);transform:translateY(-4px);border-color:var(--blue-line);}
.testi-quote{
  position:absolute;right:24px;top:18px;font-size:56px;line-height:1;
  color:#eef4fb;font-family:Georgia,serif;
}
.testi-stars{display:flex;gap:3px;margin-bottom:14px;}
.testi-stars svg{width:15px;height:15px;fill:#f5a623;}
.testi-item p{font-size:14px;color:var(--ink-2);line-height:1.95;margin-bottom:18px;position:relative;z-index:2;
  display:-webkit-box;-webkit-line-clamp:5;-webkit-box-orient:vertical;overflow:hidden;}
.testi-user{display:flex;align-items:center;gap:12px;padding-top:16px;border-top:1px dashed var(--line);}
.testi-avatar{
  width:42px;height:42px;border-radius:50%;flex:0 0 auto;
  background:linear-gradient(135deg,var(--blue-l),var(--blue));
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:16px;font-weight:700;
}
.testi-user strong{display:block;font-size:14.5px;color:var(--ink);font-weight:700;}
.testi-user em{display:block;font-size:12.5px;color:var(--ink-3);margin-top:1px;}

/* =============================================================
   十一、品牌
   ============================================================= */
.brand-grid{display:grid;grid-template-columns:repeat(8,1fr);gap:14px;}
.brand-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 10px;text-align:center;transition:all var(--dur);
}
.brand-item:hover{border-color:var(--blue-line);box-shadow:var(--shadow-s);transform:translateY(-3px);}
.brand-item strong{display:block;font-size:15.5px;color:var(--ink);font-weight:700;letter-spacing:.3px;}
.brand-item em{display:block;font-size:11.5px;color:var(--ink-3);margin-top:4px;line-height:1.5;}
.brand-item img{max-height:38px;width:auto;margin:0 auto 8px;object-fit:contain;filter:grayscale(1);opacity:.72;transition:all var(--dur);}
.brand-item:hover img{filter:none;opacity:1;}

/* =============================================================
   十二、常见问题折叠
   ============================================================= */
.faq-list{max-width:920px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  margin-bottom:12px;overflow:hidden;transition:all var(--dur);
}
.faq-item.on{border-color:var(--blue-line);box-shadow:var(--shadow-s);}
.faq-q{
  display:flex;align-items:center;gap:14px;padding:20px 24px;cursor:pointer;
  user-select:none;transition:background var(--dur);
}
.faq-q:hover{background:var(--bg);}
.faq-item.on .faq-q{background:var(--blue-bg);}
.faq-q .q-mark{
  width:24px;height:24px;border-radius:6px;background:var(--blue);flex:0 0 auto;
  color:#fff;font-size:13px;font-weight:700;display:flex;
  align-items:center;justify-content:center;
}
.faq-q h3{font-size:16px;font-weight:600;color:var(--ink);flex:1;line-height:1.6;}
.faq-q .q-arrow{
  width:22px;height:22px;flex:0 0 auto;position:relative;transition:transform var(--dur);
}
.faq-q .q-arrow::before,.faq-q .q-arrow::after{
  content:'';position:absolute;background:var(--ink-3);border-radius:2px;
  transition:all var(--dur);
}
.faq-q .q-arrow::before{left:4px;top:10px;width:14px;height:2px;}
.faq-q .q-arrow::after{left:10px;top:4px;width:2px;height:14px;}
.faq-item.on .q-arrow::after{transform:rotate(90deg);opacity:0;}
.faq-item.on .q-arrow::before{background:var(--blue);}
.faq-q .faq-cat{
  font-size:12px;color:var(--blue);background:var(--blue-bg);
  padding:3px 10px;border-radius:4px;flex:0 0 auto;
}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .36s ease;
}
.faq-a-inner{
  padding:4px 24px 24px 62px;font-size:14.5px;color:var(--ink-2);line-height:1.95;
  border-top:1px dashed var(--line);padding-top:18px;margin-top:-1px;
}

/* =============================================================
   十三、文章
   ============================================================= */
.art-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.art-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;transition:all var(--dur);display:flex;flex-direction:column;
  position:relative;
}
.art-card:hover{box-shadow:var(--shadow-l);transform:translateY(-5px);border-color:var(--blue-line);}
.art-thumb{
  height:172px;overflow:hidden;background:linear-gradient(135deg,#eaf2fc,#dbe9fa);
  display:flex;align-items:center;justify-content:center;position:relative;
}
.art-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s;}
.art-card:hover .art-thumb img{transform:scale(1.06);}
.art-thumb .ph-ico{width:54px;height:54px;fill:var(--blue-l);opacity:.45;}
.art-cat{
  position:absolute;left:12px;top:12px;background:rgba(14,75,150,.92);
  color:#fff;font-size:12px;padding:4px 11px;border-radius:4px;backdrop-filter:blur(3px);
}
.art-body{padding:20px 22px 22px;flex:1;display:flex;flex-direction:column;}
.art-body h3{
  font-size:16.5px;font-weight:700;color:var(--ink);line-height:1.6;margin-bottom:11px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color var(--dur);
}
.art-card:hover .art-body h3{color:var(--blue);}
.art-body p{
  font-size:13.5px;color:var(--ink-2);line-height:1.85;flex:1;margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.art-meta{
  display:flex;align-items:center;gap:16px;font-size:12.5px;color:var(--ink-3);
  padding-top:14px;border-top:1px dashed var(--line);
}
.art-meta span{display:flex;align-items:center;gap:5px;}
.art-meta svg{width:14px;height:14px;fill:var(--ink-3);}

/* 文章列表项（列表页） */
.art-list{display:flex;flex-direction:column;gap:20px;}
.art-row{
  display:grid;grid-template-columns:250px 1fr;gap:26px;background:#fff;
  border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;
  transition:all var(--dur);
}
.art-row:hover{box-shadow:var(--shadow-l);border-color:var(--blue-line);}
.art-row-thumb{
  height:172px;overflow:hidden;background:linear-gradient(135deg,#eaf2fc,#dbe9fa);
  display:flex;align-items:center;justify-content:center;
}
.art-row-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s;}
.art-row:hover .art-row-thumb img{transform:scale(1.05);}
.art-row-thumb .ph-ico{width:52px;height:52px;fill:var(--blue-l);opacity:.45;}
.art-row-body{padding:24px 28px 24px 0;display:flex;flex-direction:column;}
.art-row-body h3{font-size:19px;font-weight:700;color:var(--ink);line-height:1.55;margin-bottom:12px;}
.art-row:hover .art-row-body h3{color:var(--blue);}
.art-row-body p{font-size:14px;color:var(--ink-2);line-height:1.88;flex:1;margin-bottom:14px;}
.art-row-body .art-meta{padding-top:0;border-top:0;}

/* =============================================================
   十四、行动号召条
   ============================================================= */
.cta-band{
  background:linear-gradient(120deg,#c94809,#e8590c 45%,#ff7a2e);
  color:#fff;padding:54px 0;position:relative;overflow:hidden;
}
.cta-band::before{
  content:'';position:absolute;right:-90px;top:-90px;width:380px;height:380px;
  border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.16),transparent 66%);
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;}
.cta-txt h2{font-size:30px;font-weight:700;letter-spacing:.6px;margin-bottom:12px;}
.cta-txt p{font-size:15px;color:rgba(255,255,255,.9);line-height:1.9;max-width:640px;}
.cta-act{display:flex;align-items:center;gap:18px;flex-wrap:wrap;}
.cta-phone{
  display:flex;align-items:center;gap:13px;background:rgba(255,255,255,.15);
  border:1px solid rgba(255,255,255,.32);border-radius:11px;padding:14px 22px;
  backdrop-filter:blur(5px);transition:all var(--dur);
}
.cta-phone:hover{background:#fff;color:var(--orange);}
.cta-phone .i{width:40px;height:40px;border-radius:50%;background:#fff;display:flex;align-items:center;justify-content:center;flex:0 0 auto;}
.cta-phone .i svg{width:20px;height:20px;fill:var(--orange);}
.cta-phone em{display:block;font-size:12px;opacity:.85;line-height:1.4;}
.cta-phone:hover em{color:var(--ink-3);opacity:1;}
.cta-phone b{
  font-size:24px;font-weight:700;letter-spacing:.6px;line-height:1.25;
  font-family:"DIN Alternate","Arial Narrow",Arial,sans-serif;
}
.cta-band .btn-white{background:#fff;color:var(--orange-d);}
.cta-band .btn-white:hover{background:#fff3e9;color:var(--orange-d);transform:translateY(-2px);}

/* =============================================================
   十五、内页横幅
   ============================================================= */
.pbanner{
  position:relative;background:linear-gradient(120deg,#0a3f83,#15539e 55%,#1a63b8);
  color:#fff;padding:52px 0 48px;overflow:hidden;
}
.pbanner::before{
  content:'';position:absolute;right:-140px;top:-140px;width:480px;height:480px;
  border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.09),transparent 68%);
}
.pbanner.has-img::after{
  content:'';position:absolute;inset:0;
  background-size:cover;background-position:center;opacity:.20;
}
.pbanner .wrap{position:relative;z-index:3;}
.pbanner h1{font-size:33px;font-weight:700;letter-spacing:.8px;margin-bottom:12px;line-height:1.4;}
.pbanner p{font-size:15.5px;color:#c6dcf5;line-height:1.9;max-width:760px;}

/* 面包屑 */
.crumb{
  background:var(--bg);border-bottom:1px solid var(--line);
}
.crumb .wrap{
  display:flex;align-items:center;gap:8px;height:48px;
  font-size:13.5px;color:var(--ink-3);overflow:hidden;white-space:nowrap;
}
.crumb a{color:var(--ink-2);}
.crumb a:hover{color:var(--blue);}
.crumb svg{width:12px;height:12px;fill:#b6c4d4;flex:0 0 auto;}
.crumb .cur{color:var(--blue);font-weight:600;overflow:hidden;text-overflow:ellipsis;}

/* =============================================================
   十六、内页布局（主内容 + 侧栏）
   ============================================================= */
.layout{display:grid;grid-template-columns:1fr 320px;gap:42px;align-items:start;}
.layout-full{display:block;}

/* 侧栏 */
.side-box{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;margin-bottom:22px;
}
.side-head{
  background:linear-gradient(120deg,var(--blue),var(--blue-l));color:#fff;
  padding:15px 20px;font-size:16px;font-weight:700;letter-spacing:.5px;
  display:flex;align-items:center;gap:9px;
}
.side-head svg{width:18px;height:18px;fill:#fff;}
.side-body{padding:8px 0;}
.side-nav li a{
  display:flex;align-items:center;gap:9px;padding:13px 20px;font-size:14.5px;
  color:var(--ink-2);border-left:3px solid transparent;transition:all var(--dur);
}
.side-nav li a:hover,.side-nav li.on a{
  background:var(--blue-bg);border-left-color:var(--blue);color:var(--blue);
  font-weight:600;padding-left:24px;
}
.side-nav li a svg{width:15px;height:15px;fill:currentColor;flex:0 0 auto;}

/* 侧栏咨询卡 */
.side-contact{
  background:linear-gradient(150deg,#0a3f83,#1a63b8);border-radius:var(--radius-lg);
  padding:28px 24px;color:#fff;text-align:center;margin-bottom:22px;position:relative;overflow:hidden;
}
.side-contact::before{
  content:'';position:absolute;right:-70px;top:-70px;width:200px;height:200px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.13),transparent 68%);
}
.side-contact>*{position:relative;z-index:2;}
.side-contact .sc-ico{
  width:54px;height:54px;border-radius:50%;background:rgba(255,255,255,.15);
  border:1px solid rgba(255,255,255,.26);display:flex;align-items:center;justify-content:center;
  margin:0 auto 16px;
}
.side-contact .sc-ico svg{width:27px;height:27px;fill:#fff;}
.side-contact h3{font-size:16px;font-weight:600;margin-bottom:6px;color:#dbe9fa;}
.side-contact .sc-phone{
  font-size:25px;font-weight:700;letter-spacing:.6px;margin-bottom:6px;
  font-family:"DIN Alternate","Arial Narrow",Arial,sans-serif;
}
.side-contact .sc-phone a{color:#fff;}
.side-contact .sc-phone a:hover{color:#ffc078;}
.side-contact .sc-note{font-size:12.5px;color:#a8c9ec;margin-bottom:18px;}
.side-contact .btn{width:100%;height:44px;font-size:14.5px;background:#fff;color:var(--blue);}
.side-contact .btn:hover{background:#eaf2fc;color:var(--blue);}

/* 侧栏文章 */
.side-news li{border-bottom:1px dashed var(--line);}
.side-news li:last-child{border-bottom:0;}
.side-news a{display:flex;gap:12px;padding:14px 20px;transition:background var(--dur);}
.side-news a:hover{background:var(--bg);}
.side-news .sn-no{
  width:22px;height:22px;border-radius:5px;background:var(--bg);color:var(--ink-3);
  font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;
  flex:0 0 auto;margin-top:2px;transition:all var(--dur);
}
.side-news a:hover .sn-no{background:var(--blue);color:#fff;}
.side-news .sn-t{
  font-size:14px;color:var(--ink-2);line-height:1.65;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  margin-bottom:4px;
}
.side-news a:hover .sn-t{color:var(--blue);}
.side-news .sn-d{font-size:12px;color:var(--ink-3);}
.side-news li:nth-child(-n+2) .sn-no{background:var(--orange);color:#fff;}

/* =============================================================
   十七、正文内容排版（富文本输出区）
   ============================================================= */
.rich{font-size:15.5px;line-height:2;color:var(--ink-2);}
.rich>*:first-child{margin-top:0;}
.rich h2{
  font-size:23px;font-weight:700;color:var(--ink);margin:38px 0 18px;
  padding-left:15px;border-left:4px solid var(--blue);line-height:1.5;letter-spacing:.3px;
}
.rich h3{font-size:18.5px;font-weight:700;color:var(--ink);margin:30px 0 14px;line-height:1.55;}
.rich h4{font-size:16.5px;font-weight:700;color:var(--ink);margin:24px 0 12px;}
.rich p{margin:0 0 18px;}
.rich ul,.rich ol{margin:0 0 20px;padding-left:0;}
.rich ul li,.rich ol li{
  position:relative;padding-left:24px;margin-bottom:11px;line-height:1.95;
}
.rich ul li::before{
  content:'';position:absolute;left:6px;top:12px;width:6px;height:6px;
  border-radius:50%;background:var(--blue-l);
}
.rich ol{counter-reset:oli;}
.rich ol li::before{
  counter-increment:oli;content:counter(oli);
  position:absolute;left:0;top:4px;width:18px;height:18px;border-radius:50%;
  background:var(--blue-bg);color:var(--blue);font-size:11.5px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.rich strong{color:var(--ink);font-weight:700;}
.rich a{color:var(--blue);text-decoration:underline;text-underline-offset:3px;}
.rich a:hover{color:var(--orange);}
.rich img{border-radius:var(--radius);margin:22px auto;box-shadow:var(--shadow);}
.rich blockquote{
  background:var(--blue-bg);border-left:4px solid var(--blue-l);border-radius:0 8px 8px 0;
  padding:18px 24px;margin:24px 0;color:var(--ink-2);font-size:15px;line-height:1.95;
}
.rich blockquote p:last-child{margin-bottom:0;}
.rich table{margin:24px 0;border:1px solid var(--line);font-size:14.5px;}
.rich th,.rich td{border:1px solid var(--line);padding:12px 15px;text-align:left;line-height:1.75;}
.rich th{background:var(--blue-bg);color:var(--ink);font-weight:700;}
.rich tr:nth-child(even) td{background:#fafcfe;}
.rich hr{border:0;border-top:1px dashed var(--line);margin:34px 0;}
.rich iframe{max-width:100%;border-radius:var(--radius);}
.rich-gap>*:last-child{margin-bottom:0;}

/* 正文插图带图注 */
.rich figure{margin:24px 0;}
.rich figcaption{text-align:center;font-size:13px;color:var(--ink-3);margin-top:10px;}

/* =============================================================
   十八、详情页头部信息
   ============================================================= */
.detail-head{margin-bottom:26px;padding-bottom:24px;border-bottom:1px solid var(--line);}
.detail-head h1{font-size:30px;font-weight:700;color:var(--ink);line-height:1.45;margin-bottom:14px;letter-spacing:.4px;}
.detail-meta{display:flex;align-items:center;gap:22px;flex-wrap:wrap;font-size:13.5px;color:var(--ink-3);}
.detail-meta span{display:flex;align-items:center;gap:6px;}
.detail-meta svg{width:15px;height:15px;fill:var(--ink-3);}

/* 服务详情要点框 */
.svc-facts{
  background:var(--blue-bg);border:1px solid var(--blue-line);border-radius:var(--radius-lg);
  padding:24px 26px;margin:0 0 30px;
}
.svc-facts h3{
  font-size:16.5px;font-weight:700;color:var(--blue);margin-bottom:16px;
  display:flex;align-items:center;gap:9px;
}
.svc-facts h3 svg{width:19px;height:19px;fill:var(--blue);}
.svc-facts dl{display:grid;grid-template-columns:92px 1fr;gap:11px 16px;font-size:14.5px;}
.svc-facts dt{color:var(--ink-3);}
.svc-facts dd{color:var(--ink-2);line-height:1.8;}
.svc-facts .price-tip{
  margin-top:16px;padding-top:15px;border-top:1px dashed var(--blue-line);
  font-size:13.5px;color:var(--ink-2);line-height:1.85;
}

/* 故障标签 */
.tag-box{margin:28px 0;}
.tag-box .tb-title{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:13px;}
.tag-box .tb-list{display:flex;flex-wrap:wrap;gap:8px;}
.tag-box .tb-list span{
  background:var(--bg);border:1px solid var(--line);color:var(--ink-2);
  font-size:13px;padding:6px 13px;border-radius:5px;transition:all var(--dur);
}
.tag-box .tb-list span:hover{background:var(--blue-bg);border-color:var(--blue-line);color:var(--blue);}

/* 文章标签 */
.art-tags{display:flex;align-items:center;gap:9px;flex-wrap:wrap;margin:30px 0 0;padding-top:22px;border-top:1px dashed var(--line);}
.art-tags .at-label{font-size:13.5px;color:var(--ink-3);}
.art-tags a{
  font-size:13px;color:var(--ink-2);background:var(--bg);
  border:1px solid var(--line);padding:4px 12px;border-radius:5px;
}
.art-tags a:hover{background:var(--blue-bg);border-color:var(--blue-line);color:var(--blue);}

/* 上/下一篇 */
.art-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:30px;}
.art-nav a{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:16px 20px;font-size:14px;color:var(--ink-2);line-height:1.7;
  transition:all var(--dur);display:flex;flex-direction:column;gap:5px;
}
.art-nav a:hover{border-color:var(--blue-line);box-shadow:var(--shadow-s);color:var(--blue);}
.art-nav em{font-size:12.5px;color:var(--ink-3);}
.art-nav a:hover em{color:var(--blue);}
.art-nav .na-next{text-align:right;align-items:flex-end;}
.art-nav .na-empty{background:var(--bg);border-style:dashed;color:var(--ink-3);text-align:center;align-items:center;justify-content:center;}

/* =============================================================
   十九、表单
   ============================================================= */
.form-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:34px 36px;box-shadow:var(--shadow-s);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.form-item{margin-bottom:20px;}
.form-item.full{grid-column:1 / -1;}
.form-item label{
  display:block;font-size:14px;color:var(--ink);font-weight:600;margin-bottom:9px;
}
.form-item label .req{color:var(--orange);margin-left:3px;}
.form-item input[type=text],
.form-item input[type=tel],
.form-item input[type=email],
.form-item select,
.form-item textarea{
  width:100%;border:1.5px solid var(--line);border-radius:8px;
  padding:12px 15px;font-size:14.5px;background:#fcfdfe;
  transition:all var(--dur);line-height:1.6;
}
.form-item textarea{resize:vertical;min-height:118px;line-height:1.8;}
.form-item input:focus,.form-item select:focus,.form-item textarea:focus{
  border-color:var(--blue);background:#fff;box-shadow:0 0 0 3px rgba(14,75,150,.08);
}
.form-item select{
  appearance:none;cursor:pointer;
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%237b8ea2'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 12px center;background-size:20px;
  padding-right:38px;
}
.form-item .hint{font-size:12.5px;color:var(--ink-3);margin-top:7px;line-height:1.7;}
.form-foot{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-top:6px;}
.form-foot .privacy{font-size:12.5px;color:var(--ink-3);line-height:1.7;flex:1;min-width:240px;}
.form-alert{
  border-radius:8px;padding:14px 18px;font-size:14px;margin-bottom:22px;line-height:1.8;
}
.form-alert.ok{background:#eafaf1;border-left:4px solid #12a150;color:#0d7a3e;}
.form-alert.err{background:#fdeeec;border-left:4px solid #e0483a;color:#b03225;}
.form-alert ul{margin:6px 0 0 18px;}
.form-alert li{margin-bottom:3px;}

/* =============================================================
   二十、联系信息块
   ============================================================= */
.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-bottom:36px;}
.contact-item{
  display:flex;gap:17px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:24px 26px;transition:all var(--dur);
}
.contact-item:hover{box-shadow:var(--shadow);border-color:var(--blue-line);transform:translateY(-3px);}
.contact-item .ci-ico{
  width:52px;height:52px;border-radius:13px;background:var(--blue-bg);
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.contact-item .ci-ico svg{width:25px;height:25px;fill:var(--blue);}
.contact-item .ci-body{flex:1;min-width:0;}
.contact-item h3{font-size:14px;color:var(--ink-3);font-weight:600;margin-bottom:6px;letter-spacing:.3px;}
.contact-item .ci-val{
  font-size:19px;font-weight:700;color:var(--ink);line-height:1.4;word-break:break-all;
}
.contact-item .ci-val a{color:var(--blue);}
.contact-item .ci-val a:hover{color:var(--orange);}
.contact-item .ci-sub{font-size:13px;color:var(--ink-3);margin-top:6px;line-height:1.7;}

/* 服务区域网格 */
.area-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.area-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 22px;transition:all var(--dur);position:relative;overflow:hidden;
}
.area-item::before{
  content:'';position:absolute;left:0;top:0;width:3px;height:100%;
  background:var(--blue-line);transition:background var(--dur);
}
.area-item:hover{border-color:var(--blue-line);box-shadow:var(--shadow-s);transform:translateY(-3px);}
.area-item:hover::before{background:var(--blue);}
.area-item strong{
  display:flex;align-items:center;gap:7px;font-size:16px;font-weight:700;color:var(--ink);margin-bottom:6px;
}
.area-item strong svg{width:16px;height:16px;fill:var(--blue);flex:0 0 auto;}
.area-item em{display:block;font-size:12.5px;color:var(--ink-3);line-height:1.7;}

/* 地图占位 */
.map-box{
  border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;background:var(--bg);
  height:300px;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:13px;
}
.map-box svg{width:44px;height:44px;fill:var(--blue-l);opacity:.6;}
.map-box p{font-size:14px;color:var(--ink-3);}
.map-box iframe{width:100%;height:100%;border:0;display:block;}

/* =============================================================
   二十一、公司简介（关于页）
   ============================================================= */
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;}
.about-fig{
  border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-l);position:relative;
  background:linear-gradient(135deg,#eaf2fc,#dbe9fa);min-height:340px;
  display:flex;align-items:center;justify-content:center;
}
.about-fig img{width:100%;height:100%;object-fit:cover;}
.about-fig .ph-ico{width:70px;height:70px;fill:var(--blue-l);opacity:.45;}
.about-fig .af-badge{
  position:absolute;left:22px;bottom:22px;background:rgba(255,255,255,.96);
  border-radius:11px;padding:14px 20px;box-shadow:var(--shadow);backdrop-filter:blur(6px);
}
.about-fig .af-badge b{
  display:block;font-size:26px;color:var(--blue);font-weight:700;line-height:1.2;
  font-family:"DIN Alternate",Arial,sans-serif;
}
.about-fig .af-badge em{display:block;font-size:12.5px;color:var(--ink-3);margin-top:2px;}

/* 承诺列表 */
.promise-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.promise-item{
  display:flex;gap:15px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:22px 24px;transition:all var(--dur);
}
.promise-item:hover{box-shadow:var(--shadow-s);border-color:var(--blue-line);}
.promise-item .pi-ico{
  width:38px;height:38px;border-radius:10px;background:#eafaf1;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
}
.promise-item .pi-ico svg{width:20px;height:20px;fill:#12a150;}
.promise-item h3{font-size:16px;font-weight:700;color:var(--ink);margin-bottom:7px;}
.promise-item p{font-size:13.5px;color:var(--ink-2);line-height:1.88;}

/* 资质 */
.honor-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.honor-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 20px;text-align:center;transition:all var(--dur);
}
.honor-item:hover{border-color:var(--blue-line);box-shadow:var(--shadow-s);transform:translateY(-3px);}
.honor-item .hi-ico{
  width:52px;height:52px;border-radius:50%;background:var(--blue-bg);
  display:flex;align-items:center;justify-content:center;margin:0 auto 14px;
}
.honor-item .hi-ico svg{width:25px;height:25px;fill:var(--blue);}
.honor-item strong{display:block;font-size:15px;font-weight:700;color:var(--ink);margin-bottom:6px;}
.honor-item em{display:block;font-size:12.5px;color:var(--ink-3);line-height:1.7;}

/* =============================================================
   二十二、页脚
   ============================================================= */
.footer{background:#0b2a4f;color:#9db6d2;font-size:14px;padding:0;margin-top:0;}
.footer-top{
  padding:56px 0 44px;display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.footer h4{
  font-size:16px;color:#fff;font-weight:700;margin-bottom:20px;
  letter-spacing:.5px;position:relative;padding-bottom:13px;
}
.footer h4::after{
  content:'';position:absolute;left:0;bottom:0;width:26px;height:2px;background:var(--blue-l);
}
.footer-about .fl-logo{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.footer-about .fl-mark{
  width:42px;height:42px;border-radius:10px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--blue-l),var(--blue-d));
  display:flex;align-items:center;justify-content:center;
}
.footer-about .fl-mark svg{width:24px;height:24px;fill:#fff;}
.footer-about .fl-name{font-size:17px;color:#fff;font-weight:700;line-height:1.3;}
.footer-about .fl-en{font-size:10.5px;color:#6f8db0;letter-spacing:.3px;line-height:1.4;}
.footer-about p{line-height:1.95;color:#8fa9c6;font-size:13.5px;margin-bottom:18px;}
.footer-about img{height:42px;width:auto;}

.footer-links li{margin-bottom:11px;}
.footer-links a{
  color:#9db6d2;font-size:13.5px;transition:all var(--dur);
  display:inline-flex;align-items:center;gap:7px;
}
.footer-links a::before{
  content:'';width:4px;height:4px;border-radius:50%;background:#4a6f9c;
  transition:background var(--dur);flex:0 0 auto;
}
.footer-links a:hover{color:#fff;transform:translateX(4px);}
.footer-links a:hover::before{background:var(--blue-l);}

.footer-contact li{margin-bottom:15px;display:flex;gap:12px;font-size:13.5px;line-height:1.75;}
.footer-contact .fc-ico{
  width:32px;height:32px;border-radius:8px;background:rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.footer-contact .fc-ico svg{width:16px;height:16px;fill:#7fa9d8;}
.footer-contact b{color:#fff;font-weight:600;}
.footer-contact .fc-phone{
  font-size:20px;color:#fff;font-weight:700;letter-spacing:.5px;
  font-family:"DIN Alternate","Arial Narrow",Arial,sans-serif;
}
.footer-contact a:hover .fc-phone{color:#ffc078;}

.footer-bottom{
  padding:22px 0;display:flex;align-items:center;justify-content:space-between;
  gap:20px;flex-wrap:wrap;font-size:13px;color:#7d99ba;
}
.footer-bottom .fb-links{display:flex;gap:18px;flex-wrap:wrap;}
.footer-bottom a{color:#7d99ba;}
.footer-bottom a:hover{color:#fff;}
.footer-area{
  padding:14px 0;border-bottom:1px solid rgba(255,255,255,.08);
  font-size:12.5px;color:#6f8db0;line-height:1.8;
}

/* =============================================================
   二十三、悬浮与移动端底部栏
   ============================================================= */
.float-bar{
  position:fixed;right:22px;bottom:96px;z-index:800;
  display:flex;flex-direction:column;gap:12px;
}
.float-btn{
  width:52px;height:52px;border-radius:13px;background:#fff;
  border:1px solid var(--line);box-shadow:0 5px 18px rgba(20,55,105,.14);
  display:flex;align-items:center;justify-content:center;cursor:pointer;
  transition:all var(--dur);position:relative;
}
.float-btn svg{width:23px;height:23px;fill:var(--blue);}
.float-btn:hover{background:var(--blue);border-color:var(--blue);transform:translateY(-3px);}
.float-btn:hover svg{fill:#fff;}
.float-btn .fb-tip{
  position:absolute;right:62px;top:50%;transform:translateY(-50%) translateX(8px);
  background:var(--ink);color:#fff;font-size:13px;padding:7px 13px;border-radius:6px;
  white-space:nowrap;opacity:0;pointer-events:none;transition:all var(--dur);
}
.float-btn .fb-tip::after{
  content:'';position:absolute;left:100%;top:50%;transform:translateY(-50%);
  border:5px solid transparent;border-left-color:var(--ink);
}
.float-btn:hover .fb-tip{opacity:1;transform:translateY(-50%) translateX(0);}
.float-bar .float-top{opacity:0;visibility:hidden;transition:all var(--dur);}
.float-bar .float-top.on{opacity:1;visibility:visible;}

/* 移动端底部固定条 */
.m-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:950;
  background:#fff;border-top:1px solid var(--line);
  box-shadow:0 -3px 16px rgba(20,55,105,.1);
  grid-template-columns:repeat(3,1fr);padding-bottom:env(safe-area-inset-bottom);
}
.m-bar a{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  padding:9px 4px;font-size:11.5px;color:var(--ink-2);border-right:1px solid var(--line);
}
.m-bar a:last-child{border-right:0;}
.m-bar a svg{width:20px;height:20px;fill:var(--blue);}
.m-bar a.m-call{background:var(--orange);color:#fff;}
.m-bar a.m-call svg{fill:#fff;}

/* 返回顶部 */
.to-top{
  position:fixed;right:22px;bottom:30px;z-index:801;
  width:46px;height:46px;border-radius:50%;background:var(--blue);
  display:flex;align-items:center;justify-content:center;cursor:pointer;
  box-shadow:0 5px 18px rgba(14,75,150,.32);
  opacity:0;visibility:hidden;transition:all var(--dur);
}
.to-top.on{opacity:1;visibility:visible;}
.to-top svg{width:21px;height:21px;fill:#fff;}
.to-top:hover{background:var(--blue-d);transform:translateY(-3px);}

/* =============================================================
   二十四、分页
   ============================================================= */
.pager{display:flex;justify-content:center;align-items:center;gap:8px;margin-top:44px;flex-wrap:wrap;}
.pager a,.pager span{
  min-width:42px;height:42px;padding:0 14px;border-radius:9px;
  border:1px solid var(--line);background:#fff;color:var(--ink-2);
  font-size:14.5px;display:flex;align-items:center;justify-content:center;
  transition:all var(--dur);
}
.pager a:hover{border-color:var(--blue);color:var(--blue);background:var(--blue-bg);}
.pager .cur{background:var(--blue);border-color:var(--blue);color:#fff;font-weight:700;}
.pager .dis{color:#c3cfdc;cursor:not-allowed;background:var(--bg);}

/* =============================================================
   二十五、空状态
   ============================================================= */
.empty{
  text-align:center;padding:70px 20px;background:#fff;
  border:1px dashed var(--line);border-radius:var(--radius-lg);
}
.empty svg{width:56px;height:56px;fill:#c3d3e4;margin:0 auto 16px;}
.empty p{font-size:15px;color:var(--ink-3);}

/* =============================================================
   二十六、响应式
   ============================================================= */
@media (max-width:1180px){
  .hero h1{font-size:40px;}
  .brand-grid{grid-template-columns:repeat(6,1fr);}
  .footer-top{grid-template-columns:1.4fr 1fr 1.3fr;gap:34px;}
  .footer-top .footer-links:last-of-type{display:none;}
}

@media (max-width:1024px){
  .nav-toggle{display:flex;}
  .nav{
    position:fixed;left:0;right:0;top:82px;background:#fff;
    margin:0;flex-direction:column;align-items:stretch;
    border-bottom:1px solid var(--line);box-shadow:0 12px 30px rgba(20,55,105,.14);
    max-height:0;overflow:hidden;transition:max-height .36s ease;
  }
  .nav.on{max-height:520px;overflow-y:auto;}
  .nav ul{flex-direction:column;align-items:stretch;gap:0;padding:8px 0;}
  .nav a{
    height:auto;line-height:1.6;padding:14px 24px;border-bottom:1px solid var(--line);
    font-size:15.5px;
  }
  .nav a::after{display:none;}
  .nav li.on a{background:var(--blue-bg);border-left:3px solid var(--blue);}
  .nav ul li:last-child a{border-bottom:0;}
  .head-phone dl{display:none;}
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .hero-card{max-width:460px;}
  .layout{grid-template-columns:1fr;gap:34px;}
  .about-grid{grid-template-columns:1fr;gap:34px;}
  .svc-grid,.adv-grid,.flow-grid,.testi-grid,.art-grid{grid-template-columns:repeat(2,1fr);}
  .form-grid{grid-template-columns:1fr;}
  .contact-grid{grid-template-columns:1fr;}
  .area-grid{grid-template-columns:repeat(3,1fr);}
  .honor-grid{grid-template-columns:repeat(2,1fr);}
  .float-bar{display:none;}
  .to-top{bottom:96px;}
}

@media (max-width:768px){
  body{font-size:14.5px;}
  .wrap{padding:0 16px;}
  .topbar .tb-right{display:none;}
  .topbar .wrap{justify-content:center;}
  .header .wrap{height:68px;gap:14px;}
  .logo-mark{width:40px;height:40px;}
  .logo-mark svg{width:23px;height:23px;}
  .logo-txt strong{font-size:16.5px;}
  .logo-txt span{display:none;}
  .nav{top:68px;}
  .head-phone{padding-left:14px;gap:9px;}
  .head-phone em{display:none;}
  .head-phone .hp-ico{width:36px;height:36px;}
  .head-phone b{font-size:15px;}
  .btn{height:46px;padding:0 22px;font-size:15px;}
  .btn-lg{height:50px;padding:0 30px;font-size:16px;}
  .sec{padding:52px 0;}
  .sec-tight{padding:40px 0;}
  .sec-head{margin-bottom:34px;}
  .sec-head h2{font-size:24px;}
  .sec-head p{font-size:14.5px;}
  .hero{padding:48px 0 0;}
  .hero h1{font-size:28px;margin-bottom:16px;}
  .hero-lead{font-size:15px;margin-bottom:26px;}
  .hero-btns{gap:11px;margin-bottom:30px;}
  .hero-btns .btn{flex:1;min-width:130px;}
  .hero-points{gap:16px;}
  .hero-points li{font-size:13.5px;}
  .hero-card{padding:24px 20px 20px;max-width:none;}
  .hero-quick ul{grid-template-columns:repeat(3,1fr);}
  .hero-quick li:nth-child(3n){border-right:0;}
  .hero-quick li{border-bottom:1px solid rgba(255,255,255,.13);}
  .hero-quick li:nth-child(n+10){border-bottom:0;}
  .hero-quick a{padding:17px 6px;font-size:13px;gap:7px;}
  .hero-quick a span{line-height:1.45;}
  .hero-quick svg{width:25px;height:25px;}
  .svc-grid,.adv-grid,.flow-grid,.testi-grid,.art-grid{grid-template-columns:1fr;gap:16px;}
  .scene-grid{grid-template-columns:repeat(2,1fr);gap:12px;}
  .scene-note{font-size:13px;padding:13px 15px;margin-bottom:22px;}
  .scene-item figcaption{padding:10px 12px 12px;}
  .scene-item figcaption strong{font-size:14px;}
  .scene-item figcaption span{font-size:12px;}
  .area-grid,.honor-grid,.promise-grid{grid-template-columns:1fr;gap:14px;}
  .brand-grid{grid-template-columns:repeat(3,1fr);gap:10px;}
  .brand-item{padding:15px 6px;}
  .brand-item strong{font-size:14px;}
  .brand-item em{font-size:11px;}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:22px 0;}
  .stat-item:nth-child(2n){border-right:0;}
  .stat-num{font-size:34px;}
  .stat-label{font-size:13px;}
  .pbanner{padding:36px 0 34px;}
  .pbanner h1{font-size:23px;}
  .pbanner p{font-size:14.5px;}
  .crumb .wrap{height:44px;font-size:12.5px;}
  .laywrap{}
  .detail-head h1{font-size:22px;}
  .rich{font-size:15px;}
  .rich h2{font-size:19.5px;margin:30px 0 14px;}
  .rich h3{font-size:17px;margin:24px 0 12px;}
  .rich img{margin:18px auto;}
  .rich p,.rich li{overflow-wrap:break-word;}
  .rich table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch;}
  /* iOS Safari：输入框字号 ≥16px 才不会聚焦时自动放大页面 */
  .form-item input[type=text],
  .form-item input[type=tel],
  .form-item input[type=email],
  .form-item select,
  .form-item textarea{font-size:16px;}
  .flow-row{grid-template-columns:64px 1fr;gap:16px;padding-bottom:26px;}
  .flow-dot{width:64px;height:64px;}
  .flow-dot svg{width:22px;height:22px;}
  .flow-row::before{left:31px;top:64px;}
  .flow-body{padding:18px 20px;}
  .art-row{grid-template-columns:1fr;gap:0;}
  .art-row-thumb{height:176px;}
  .art-row-body{padding:18px 20px 20px;}
  .art-row-body h3{font-size:17px;}
  .art-nav{grid-template-columns:1fr;}
  .cta-band{padding:40px 0;}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:24px;}
  .cta-txt h2{font-size:22px;}
  .cta-txt p{font-size:14.5px;}
  .cta-act{width:100%;flex-direction:column;align-items:stretch;}
  .cta-phone{justify-content:center;}
  .faq-q{padding:16px 18px;gap:11px;}
  .faq-q h3{font-size:15px;}
  .faq-a-inner{padding:16px 18px 20px 18px;font-size:14px;}
  .form-card{padding:24px 20px;}
  .contact-item{padding:20px;}
  .contact-item .ci-val{font-size:17px;}
  .side-contact{padding:24px 20px;}
  .side-contact .sc-phone{font-size:22px;}
  .svc-facts{padding:20px;}
  .svc-facts dl{grid-template-columns:1fr;gap:4px 0;}
  .svc-facts dt{font-size:13px;margin-top:8px;}
  .footer-top{grid-template-columns:1fr;gap:30px;padding:40px 0 32px;}
  .footer-top .footer-links:last-of-type{display:block;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;padding:18px 0;}
  .m-bar{display:grid;}
  body{padding-bottom:calc(62px + env(safe-area-inset-bottom));}
  .to-top{display:none;}
  .pager a,.pager span{min-width:38px;height:38px;font-size:14px;}
}

@media (max-width:480px){
  /* 号码收成圆形拨号按钮，保证 360px 窄屏头部不溢出（完整号码在底部通栏） */
  .head-phone{padding-left:10px;}
  .head-phone .hp-ico{width:40px;height:40px;border-radius:50%;background:var(--blue);box-shadow:0 3px 12px rgba(14,75,150,.32);}
  .head-phone .hp-ico svg{fill:#fff;width:19px;height:19px;}
  .head-phone > span:last-child{display:none;}
  .logo{gap:9px;}
  .logo-txt strong{font-size:15px;}
  .topbar{font-size:12px;}
  /* 首屏两个按钮改为纵向通栏，电话号码不再挤压溢出 */
  .hero-btns{flex-direction:column;}
  .hero-btns .btn{width:100%;}
  .hero-card .hc-phone b{font-size:21px;}
  .hero-points{flex-direction:column;gap:10px;}
  .hero-quick a{padding:14px 4px;font-size:12.5px;gap:6px;}
  .hero-quick svg{width:23px;height:23px;}
  /* 报修卡片标签增多后，小屏收紧间距保持整齐 */
  .hc-tags{gap:6px;margin-bottom:16px;}
  .hc-tags span{font-size:12px;padding:4px 9px;}
  .cta-phone b{font-size:20px;}
  .svc-thumb{height:132px;}
  .art-thumb{height:150px;}
  .detail-head h1{font-size:20px;}
  .stat-num{font-size:32px;}
}

@media (max-width:420px){
  .hero h1{font-size:24px;}
  .hero-quick ul{grid-template-columns:repeat(2,1fr);}
  .hero-quick li:nth-child(3n){border-right:1px solid rgba(255,255,255,.13);}
  .hero-quick li:nth-child(2n){border-right:0;}
  .hero-quick li:nth-child(10){border-bottom:1px solid rgba(255,255,255,.13);}
  .hero-quick li:nth-child(n+11){border-bottom:0;}
  .brand-grid{grid-template-columns:repeat(2,1fr);}
  .stat-num{font-size:30px;}
}

/* 打印 */
@media print{
  .header,.topbar,.footer,.float-bar,.to-top,.m-bar,.cta-band,.hero-quick{display:none;}
  body{background:#fff;padding:0;}
  .sec{padding:14px 0;}
}