/* ============================================================
   富东康发电机 FDKPOWER  官网样式系统
   shenzhenfdj.cn
   ============================================================ */

:root{
  /* 海洋蓝主色系 */
  --navy-900:#062338;
  --navy-800:#0A3355;
  --navy-700:#0E4874;
  --navy-600:#146192;
  --accent:#0A7FC4;
  --accent-dark:#056AAB;
  --amber:#F2A93B;

  /* 绿色环保辅色 */
  --teal:#12A67A;
  --teal-dark:#0C8A64;
  --teal-light:#E6F6F0;
  --teal-soft:#D2EEE3;
  --blue:#2E90D9;
  --blue-light:#E4F1FA;
  --blue-soft:#CBE5F5;

  --ink:#0F2739;
  --ink-2:#39556B;
  --muted:#68829A;
  --line:#DCE8F1;
  --line-2:#EDF4F9;
  --bg:#FFFFFF;
  --bg-soft:#F4F9FC;
  --bg-deep:#062338;

  --radius-s:8px;
  --radius:14px;
  --radius-l:22px;

  --shadow-s:0 2px 8px rgba(14,43,71,.06);
  --shadow:0 8px 28px rgba(14,43,71,.09);
  --shadow-l:0 22px 60px rgba(8,24,43,.16);

  --wrap:1200px;
  --head-h:76px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
  color:var(--ink);
  background:var(--bg);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,h5{margin:0;line-height:1.3;font-weight:800;letter-spacing:-.01em;}
p{margin:0 0 1em;}
button,input,textarea,select{font-family:inherit;font-size:inherit;}

.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px;}

/* ---------- 通用文字 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:800;letter-spacing:.16em;
  color:var(--accent);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:28px;height:3px;border-radius:2px;background:var(--accent);}
.eyebrow.center::after{content:"";width:28px;height:3px;border-radius:2px;background:var(--accent);}

.h-xl{font-size:clamp(32px,5vw,58px);}
.h-lg{font-size:clamp(28px,3.6vw,42px);}
.h-md{font-size:clamp(22px,2.4vw,30px);}
.h-sm{font-size:20px;}
.lead{font-size:clamp(16px,1.4vw,19px);color:var(--ink-2);line-height:1.85;}
.muted{color:var(--muted);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 30px;border-radius:999px;font-weight:800;font-size:16px;
  border:2px solid transparent;cursor:pointer;transition:.25s ease;
  white-space:nowrap;line-height:1.2;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 10px 26px rgba(10,127,196,.28);}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-2px);box-shadow:0 14px 32px rgba(10,127,196,.34);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.btn-ghost:hover{background:#fff;color:var(--navy-800);border-color:#fff;}
.btn-line{background:#fff;color:var(--navy-800);border-color:var(--line);}
.btn-line:hover{border-color:var(--accent);color:var(--accent);}
.btn-lg{padding:17px 38px;font-size:17px;}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-block{display:flex;width:100%;}

/* ---------- 顶栏 ---------- */
.topbar{
  background:var(--navy-900);color:rgba(255,255,255,.82);
  font-size:13.5px;padding:8px 0;
}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;}
.topbar-left{display:flex;align-items:center;gap:26px;flex-wrap:wrap;}
.topbar-item{display:inline-flex;align-items:center;gap:7px;}
.topbar-item svg{width:15px;height:15px;opacity:.7;flex:none;}
.topbar a:hover{color:#fff;}
.topbar-right{display:flex;align-items:center;gap:18px;}
.topbar-tag{color:var(--amber);font-weight:700;}

/* ---------- 导航 ---------- */
.header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.94);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .3s;
}
.header.scrolled{box-shadow:var(--shadow);}
.header .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;height:var(--head-h);}

.logo{display:flex;align-items:center;gap:11px;flex:none;}
.logo-mark{
  width:42px;height:42px;border-radius:11px;flex:none;
  background:linear-gradient(135deg,var(--accent) 0%,#3FB8E8 100%);
  display:grid;place-items:center;box-shadow:0 6px 16px rgba(10,127,196,.32);
}
.logo-mark svg{width:24px;height:24px;fill:#fff;}
.logo-text b{display:block;font-size:19px;font-weight:900;letter-spacing:.02em;color:var(--navy-800);line-height:1.2;}
.logo-text span{display:block;font-size:10.5px;letter-spacing:.2em;color:var(--muted);font-weight:700;text-transform:uppercase;}

.nav{display:flex;align-items:center;gap:2px;}
.nav > li > a{
  display:block;padding:10px 15px;border-radius:9px;font-weight:700;font-size:15px;
  color:var(--ink-2);transition:.2s;position:relative;
}
.nav > li > a::after{
  content:"";position:absolute;left:15px;right:15px;bottom:5px;height:2px;
  background:var(--accent);border-radius:2px;transform:scaleX(0);transition:.25s;
}
.nav > li > a:hover,.nav > li > a.active{color:var(--accent);}
.nav > li > a:hover::after,.nav > li > a.active::after{transform:scaleX(1);}
.nav .has-drop{position:relative;}
.nav .drop{
  position:absolute;top:calc(100% + 10px);left:0;min-width:210px;
  background:#fff;border:1px solid var(--line);border-radius:12px;
  box-shadow:var(--shadow);padding:8px;opacity:0;visibility:hidden;transform:translateY(8px);
  transition:.24s;
}
.nav .has-drop:hover .drop{opacity:1;visibility:visible;transform:translateY(0);}
.nav .drop a{display:block;padding:9px 14px;border-radius:8px;font-size:14.5px;color:var(--ink-2);font-weight:600;}
.nav .drop a:hover{background:var(--bg-soft);color:var(--accent);}
.nav .drop a small{display:block;color:var(--muted);font-weight:500;font-size:12px;letter-spacing:0;}

.header-cta{display:flex;align-items:center;gap:12px;flex:none;}
.hotline{text-align:right;line-height:1.25;padding-right:12px;border-right:1px solid var(--line);}
.hotline small{display:block;font-size:11.5px;color:var(--muted);font-weight:700;letter-spacing:.06em;}
.hotline b{display:block;font-size:19px;font-weight:900;color:var(--navy-800);letter-spacing:.01em;}
.hotline b em{font-style:normal;color:var(--accent);}

.burger{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;
  border-radius:11px;cursor:pointer;padding:0;place-items:center;
}
.burger span{display:block;width:20px;height:2px;background:var(--navy-800);border-radius:2px;position:relative;transition:.25s;}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:20px;height:2px;background:var(--navy-800);border-radius:2px;transition:.25s;}
.burger span::before{top:-6px;}
.burger span::after{top:6px;}
.burger.on span{background:transparent;}
.burger.on span::before{top:0;transform:rotate(45deg);}
.burger.on span::after{top:0;transform:rotate(-45deg);}

.mobile-nav{
  display:none;position:fixed;inset:var(--head-h) 0 0;z-index:99;
  background:#fff;overflow-y:auto;padding:16px 24px 60px;
}
.mobile-nav.on{display:block;animation:fadeIn .24s ease;}
.mobile-nav a{
  display:block;padding:14px 4px;border-bottom:1px solid var(--line-2);
  font-weight:700;font-size:16px;color:var(--ink);
}
.mobile-nav .m-sub{display:block;padding-left:14px;font-size:14px;font-weight:600;color:var(--ink-2);}
.mobile-nav .m-cta{margin-top:22px;}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}

/* ---------- 通用区块 ---------- */
section{position:relative;}
.sec{padding:clamp(56px,7vw,100px) 0;}
.sec-soft{background:var(--bg-soft);}
.sec-deep{background:var(--bg-deep);color:#fff;}
.sec-tight{padding:clamp(44px,5vw,68px) 0;}

.sec-head{max-width:720px;margin-bottom:clamp(34px,4vw,56px);}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-head .lead{margin-top:16px;}
.sec-head.left-center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;flex-wrap:wrap;margin-bottom:clamp(30px,3.5vw,48px);}
.sec-head-row .sec-head{margin-bottom:0;}

/* ---------- HERO ---------- */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:
    radial-gradient(1000px 520px at 82% 8%,rgba(10,127,196,.20),transparent 62%),
    radial-gradient(760px 460px at 6% 96%,rgba(15,181,168,.18),transparent 60%),
    linear-gradient(150deg,var(--navy-900) 0%,var(--navy-800) 52%,#123a63 100%);
  background-color:var(--navy-900);
}
.hero::before{
  content:"";position:absolute;inset:0;opacity:.05;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.9) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.9) 1px,transparent 1px);
  background-size:56px 56px;
}
.hero .wrap{position:relative;z-index:2;padding-top:clamp(56px,6vw,92px);padding-bottom:clamp(48px,5vw,72px);}
.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:clamp(32px,4vw,60px);align-items:center;}
.hero h1{color:#fff;margin-bottom:22px;}
.hero h1 .hl{
  background:linear-gradient(100deg,var(--amber),var(--accent));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-desc{font-size:clamp(15.5px,1.35vw,18.5px);color:rgba(255,255,255,.84);max-width:560px;margin-bottom:30px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:38px;}

.hero-badges{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.14);border-radius:14px;overflow:hidden;}
.hero-badges div{background:rgba(255,255,255,.045);padding:18px 14px;text-align:center;}
.hero-badges b{display:block;font-size:clamp(21px,2.3vw,29px);font-weight:900;color:#fff;letter-spacing:-.02em;}
.hero-badges span{display:block;font-size:12.5px;color:rgba(255,255,255,.66);margin-top:3px;letter-spacing:.04em;}

.hero-art{position:relative;}
.hero-art-card{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius-l);padding:26px;backdrop-filter:blur(8px);
  box-shadow:0 30px 70px rgba(0,0,0,.32);
}
.hero-art-card .art-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.hero-art-card .art-head b{font-size:15px;color:#fff;letter-spacing:.04em;}
.pulse{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;color:#7ef0d8;font-weight:700;}
.pulse i{width:8px;height:8px;border-radius:50%;background:#2fe0a8;box-shadow:0 0 0 0 rgba(47,224,168,.7);animation:pulse 2s infinite;}
@keyframes pulse{70%{box-shadow:0 0 0 12px rgba(47,224,168,0)}100%{box-shadow:0 0 0 0 rgba(47,224,168,0)}}

.gauge-row{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:18px;}
.gauge{background:rgba(8,24,43,.42);border-radius:12px;padding:14px;text-align:center;}
.gauge b{display:block;font-size:22px;font-weight:900;color:#fff;}
.gauge span{display:block;font-size:11.5px;color:rgba(255,255,255,.6);letter-spacing:.05em;}
.gauge .bar{height:4px;border-radius:3px;background:rgba(255,255,255,.14);margin-top:9px;overflow:hidden;}
.gauge .bar i{display:block;height:100%;border-radius:3px;background:linear-gradient(90deg,var(--teal),var(--amber));}

.art-list{display:grid;gap:9px;}
.art-list li{
  display:flex;align-items:center;gap:10px;font-size:13.5px;color:rgba(255,255,255,.8);
  background:rgba(8,24,43,.34);border-radius:9px;padding:9px 13px;
}
.art-list svg{width:16px;height:16px;flex:none;fill:var(--teal);}

.float-card{
  position:absolute;background:#fff;border-radius:14px;padding:13px 17px;
  box-shadow:var(--shadow-l);display:flex;align-items:center;gap:11px;
}
.float-card b{display:block;font-size:14px;color:var(--navy-800);line-height:1.35;}
.float-card span{display:block;font-size:11.5px;color:var(--muted);}
.float-card .ic{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;flex:none;}
.float-1{left:-14px;bottom:34px;animation:floaty 5s ease-in-out infinite;}
.float-2{right:-10px;top:26px;animation:floaty 6.4s ease-in-out .7s infinite;}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}

/* ---------- 通用栅格 ---------- */
.grid{display:grid;gap:26px;}
.g2{grid-template-columns:repeat(2,1fr);}
.g3{grid-template-columns:repeat(3,1fr);}
.g4{grid-template-columns:repeat(4,1fr);}
.g5{grid-template-columns:repeat(5,1fr);}

/* ---------- 服务卡 ---------- */
.svc{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-l);
  padding:32px 28px 28px;transition:.28s;position:relative;overflow:hidden;display:block;
}
.svc::after{
  content:"";position:absolute;inset:auto auto 0 0;height:3px;width:0;
  background:linear-gradient(90deg,var(--accent),var(--amber));transition:.35s;
}
.svc:hover{transform:translateY(-6px);box-shadow:var(--shadow-l);border-color:#fff;}
.svc:hover::after{width:100%;}
.svc-ic{
  width:56px;height:56px;border-radius:15px;display:grid;place-items:center;
  margin-bottom:20px;background:linear-gradient(140deg,#E6F6F0,#ffe6cf);
}
.svc-ic svg{width:29px;height:29px;fill:var(--accent);}
.svc h3{font-size:21px;margin-bottom:10px;color:var(--navy-800);}
.svc p{color:var(--ink-2);font-size:15px;margin-bottom:16px;}
.svc .tags{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:18px;}
.svc .tags li{font-size:12.5px;font-weight:700;color:var(--navy-600);background:var(--bg-soft);border-radius:6px;padding:4px 10px;}
.svc .more{font-size:14.5px;font-weight:800;color:var(--accent);display:inline-flex;align-items:center;gap:6px;}
.svc .more svg{width:15px;height:15px;fill:currentColor;transition:.25s;}
.svc:hover .more svg{transform:translateX(4px);}

.svc.on-dark{background:rgba(255,255,255,.055);border-color:rgba(255,255,255,.14);color:#fff;}
.svc.on-dark h3{color:#fff;}
.svc.on-dark p{color:rgba(255,255,255,.72);}
.svc.on-dark .tags li{background:rgba(255,255,255,.1);color:rgba(255,255,255,.82);}
.svc.on-dark:hover{background:rgba(255,255,255,.1);}

/* ---------- 特性条 ---------- */
.feat-bar{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.feat{text-align:center;padding:8px;}
.feat .ic{
  width:60px;height:60px;margin:0 auto 16px;border-radius:50%;
  display:grid;place-items:center;background:rgba(10,127,196,.09);
  border:1px solid rgba(10,127,196,.18);
}
.feat .ic svg{width:28px;height:28px;fill:var(--accent);}
.feat h4{font-size:17px;color:var(--navy-800);margin-bottom:8px;}
.feat p{font-size:14px;color:var(--muted);margin:0;line-height:1.7;}

/* ---------- 流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:0;position:relative;}
.flow::before{
  content:"";position:absolute;left:8%;right:8%;top:34px;height:2px;
  background:repeating-linear-gradient(90deg,var(--line) 0 10px,transparent 10px 20px);
}
.flow li{text-align:center;padding:0 12px;position:relative;}
.flow .n{
  width:68px;height:68px;border-radius:50%;margin:0 auto 18px;display:grid;place-items:center;
  background:#fff;border:2px solid var(--line);color:var(--navy-800);
  font-size:23px;font-weight:900;position:relative;z-index:2;
}
.flow li:nth-child(-n+2) .n{border-color:var(--accent);color:var(--accent);}
.flow h4{font-size:16.5px;color:var(--navy-800);margin-bottom:8px;}
.flow p{font-size:13.5px;color:var(--muted);margin:0;line-height:1.65;}

.flow.on-dark .n{background:var(--bg-deep);border-color:rgba(255,255,255,.2);color:#fff;}
.flow.on-dark li:nth-child(-n+2) .n{border-color:var(--accent);color:var(--accent);}
.flow.on-dark h4{color:#fff;}
.flow.on-dark p{color:rgba(255,255,255,.62);}
.flow.on-dark::before{background:repeating-linear-gradient(90deg,rgba(255,255,255,.22) 0 10px,transparent 10px 20px);}

/* ---------- 数据条 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.stat{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.13);
  border-radius:var(--radius);padding:28px 22px;text-align:center;
}
.stat b{display:block;font-size:clamp(28px,3.2vw,40px);font-weight:900;color:#fff;letter-spacing:-.02em;line-height:1.15;}
.stat b span{color:var(--accent);}
.stat p{margin:6px 0 0;font-size:14px;color:rgba(255,255,255,.66);}

/* ---------- 分割图文 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(34px,4.5vw,72px);align-items:center;}
.split.rev > .media{order:-1;}
.media{position:relative;}
.media-main{
  border-radius:var(--radius-l);overflow:hidden;box-shadow:var(--shadow-l);
  background:linear-gradient(150deg,var(--navy-800),var(--navy-900));
  aspect-ratio:4/3;display:grid;place-items:center;
}
.media-main svg{width:56%;fill:rgba(255,255,255,.14);}
.media-tag{
  position:absolute;left:-18px;bottom:-18px;background:#fff;border-radius:16px;
  padding:18px 24px;box-shadow:var(--shadow-l);border:1px solid var(--line);
}
.media-tag b{display:block;font-size:30px;font-weight:900;color:var(--accent);line-height:1;}
.media-tag span{font-size:13px;color:var(--muted);font-weight:700;}

.check li{
  display:flex;gap:12px;align-items:flex-start;padding:11px 0;
  border-bottom:1px dashed var(--line);font-size:15.5px;color:var(--ink-2);
}
.check li:last-child{border-bottom:0;}
.check svg{width:20px;height:20px;flex:none;margin-top:4px;fill:var(--teal);}
.check strong{color:var(--navy-800);font-weight:800;}
.check.on-dark li{color:rgba(255,255,255,.78);border-color:rgba(255,255,255,.12);}
.check.on-dark strong{color:#fff;}
.check.on-dark svg{fill:var(--amber);}

/* ---------- 产品卡 ---------- */
.prod{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:.28s;display:flex;flex-direction:column;
}
.prod:hover{transform:translateY(-6px);box-shadow:var(--shadow-l);}
.prod-img{
  aspect-ratio:16/10;display:grid;place-items:center;position:relative;
  background:linear-gradient(150deg,#eef3f9,#e2e9f2);overflow:hidden;
}
.prod-img svg{width:46%;fill:#96a9c0;transition:.35s;}
.prod:hover .prod-img svg{fill:var(--navy-600);transform:scale(1.05);}
.prod-badge{
  position:absolute;top:12px;left:12px;background:var(--accent);color:#fff;
  font-size:11.5px;font-weight:800;padding:4px 10px;border-radius:6px;letter-spacing:.04em;
}
.prod-badge.gray{background:var(--navy-600);}
.prod-body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1;}
.prod-body h3{font-size:17.5px;color:var(--navy-800);margin-bottom:10px;}
.prod-spec{font-size:13.5px;color:var(--muted);line-height:1.9;flex:1;}
.prod-spec b{color:var(--ink-2);font-weight:700;}
.prod-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:16px;padding-top:15px;border-top:1px solid var(--line-2);
}
.prod-price{font-size:19px;font-weight:900;color:var(--accent);}
.prod-price small{font-size:12px;color:var(--muted);font-weight:600;display:block;}
.prod-link{font-size:14px;font-weight:800;color:var(--navy-600);}

/* ---------- 表格 ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:#fff;}
table{width:100%;border-collapse:collapse;min-width:680px;}
th,td{padding:14px 18px;text-align:left;font-size:14.5px;border-bottom:1px solid var(--line-2);}
th{background:var(--bg-soft);color:var(--navy-800);font-weight:800;font-size:14px;white-space:nowrap;}
tbody tr:hover{background:#fbfcfe;}
td b{color:var(--navy-800);font-weight:800;}
td .hot{color:var(--accent);font-weight:800;}

/* ---------- FAQ ---------- */
.faq{max-width:880px;margin:0 auto;}
.faq details{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  margin-bottom:12px;overflow:hidden;transition:.24s;
}
.faq details[open]{border-color:var(--accent);box-shadow:var(--shadow-s);}
.faq summary{
  list-style:none;cursor:pointer;padding:19px 56px 19px 22px;position:relative;
  font-weight:800;color:var(--navy-800);font-size:16.5px;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  width:28px;height:28px;border-radius:50%;display:grid;place-items:center;
  background:var(--bg-soft);color:var(--accent);font-size:19px;font-weight:800;line-height:1;
}
.faq details[open] summary::after{content:"−";background:var(--accent);color:#fff;}
.faq .ans{padding:0 22px 20px;color:var(--ink-2);font-size:15px;border-top:1px solid var(--line-2);padding-top:15px;}

/* ---------- CTA 带 ---------- */
.cta-band{
  position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(120deg,var(--navy-700) 0%,var(--accent) 45%,var(--teal) 100%);
}
.cta-band::before{
  content:"";position:absolute;inset:0;opacity:.14;
  background-image:linear-gradient(rgba(255,255,255,.8) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.8) 1px,transparent 1px);
  background-size:46px 46px;
}
.cta-band .wrap{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:34px;flex-wrap:wrap;padding-top:clamp(38px,4.5vw,58px);padding-bottom:clamp(38px,4.5vw,58px);}
.cta-band h2{color:#fff;font-size:clamp(24px,3vw,34px);margin-bottom:10px;}
.cta-band p{margin:0;color:rgba(255,255,255,.92);font-size:16px;}
.cta-band .btn-primary{background:#fff;color:var(--accent-dark);box-shadow:0 12px 30px rgba(0,0,0,.2);}
.cta-band .btn-primary:hover{background:var(--navy-800);color:#fff;}
.cta-band .btn-ghost{border-color:rgba(255,255,255,.7);color:#fff;}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.18);color:#fff;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 表单 ---------- */
.form-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-l);
  padding:clamp(24px,3vw,34px);box-shadow:var(--shadow);
}
.form-row{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13.5px;font-weight:800;color:var(--navy-800);margin-bottom:7px;}
.field label span{color:var(--accent);}
.field input,.field select,.field textarea{
  width:100%;padding:12px 15px;border:1.5px solid var(--line);border-radius:10px;
  background:#fff;color:var(--ink);transition:.2s;font-size:15px;
}
.field textarea{resize:vertical;min-height:110px;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:0;border-color:var(--accent);box-shadow:0 0 0 3px rgba(10,127,196,.13);
}
.field input::placeholder,.field textarea::placeholder{color:#a9b7c7;}
.form-note{font-size:12.5px;color:var(--muted);margin-top:12px;}

/* ---------- 联系信息 ---------- */
.info-list li{
  display:flex;gap:15px;padding:20px 0;border-bottom:1px solid var(--line);
}
.info-list li:last-child{border-bottom:0;}
.info-list .ic{
  width:46px;height:46px;border-radius:13px;flex:none;display:grid;place-items:center;
  background:linear-gradient(140deg,#E6F6F0,#ffe6cf);
}
.info-list .ic svg{width:22px;height:22px;fill:var(--accent);}
.info-list b{display:block;font-size:19px;font-weight:900;color:var(--navy-800);letter-spacing:.01em;}
.info-list span{display:block;font-size:13px;color:var(--muted);font-weight:600;margin-top:2px;}

/* ---------- 页头 ---------- */
.page-head{
  position:relative;overflow:hidden;color:#fff;
  background:
    radial-gradient(760px 400px at 88% 10%,rgba(10,127,196,.18),transparent 60%),
    linear-gradient(140deg,var(--navy-900),var(--navy-700));
}
.page-head::before{
  content:"";position:absolute;inset:0;opacity:.05;
  background-image:linear-gradient(rgba(255,255,255,.9) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.9) 1px,transparent 1px);
  background-size:52px 52px;
}
.page-head .wrap{position:relative;z-index:2;padding-top:clamp(44px,5vw,70px);padding-bottom:clamp(40px,4.5vw,62px);}
.crumb{display:flex;align-items:center;gap:9px;font-size:13.5px;color:rgba(255,255,255,.66);margin-bottom:16px;}
.crumb a:hover{color:#fff;}
.crumb span{opacity:.4;}
.page-head h1{font-size:clamp(28px,4vw,46px);color:#fff;margin-bottom:16px;}
.page-head p{max-width:660px;color:rgba(255,255,255,.8);font-size:16.5px;margin:0;}
.page-head .lead-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.page-head .lead-tags li{
  font-size:13.5px;font-weight:700;padding:7px 15px;border-radius:999px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);color:rgba(255,255,255,.9);
}

/* ---------- 内容块 ---------- */
.block{margin-bottom:clamp(40px,5vw,72px);}
.block h2{margin-bottom:18px;}
.block .lead{max-width:820px;}
.rich p{color:var(--ink-2);font-size:16px;line-height:1.95;margin-bottom:16px;}
.rich h3{font-size:22px;color:var(--navy-800);margin:32px 0 14px;padding-left:14px;border-left:4px solid var(--accent);}
.rich ul li{position:relative;padding-left:26px;color:var(--ink-2);font-size:16px;margin-bottom:12px;line-height:1.85;}
.rich ul li::before{
  content:"";position:absolute;left:4px;top:13px;width:8px;height:8px;border-radius:2px;
  background:var(--accent);transform:rotate(45deg);
}
.rich ol{counter-reset:n;margin-bottom:16px;}
.rich ol li{position:relative;padding-left:34px;color:var(--ink-2);font-size:16px;margin-bottom:12px;line-height:1.85;counter-increment:n;}
.rich ol li::before{
  content:counter(n);position:absolute;left:0;top:4px;width:24px;height:24px;border-radius:7px;
  background:var(--navy-800);color:#fff;font-size:13px;font-weight:800;display:grid;place-items:center;
}

.pill-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.pill{
  font-size:13.5px;font-weight:700;padding:8px 16px;border-radius:999px;
  background:var(--bg-soft);color:var(--navy-700);border:1px solid var(--line);
}
.pill:hover{border-color:var(--accent);color:var(--accent);}

.note-box{
  background:#f4f8fc;border-left:4px solid var(--navy-600);border-radius:0 12px 12px 0;
  padding:20px 24px;margin:24px 0;
}
.note-box b{display:block;color:var(--navy-800);font-size:16.5px;margin-bottom:7px;}
.note-box p{margin:0;color:var(--ink-2);font-size:15px;}
.note-box.warn{background:#fff7ed;border-color:var(--accent);}

/* ---------- 案例 ---------- */
.case{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:.28s;display:flex;flex-direction:column;
}
.case:hover{transform:translateY(-5px);box-shadow:var(--shadow-l);}
.case-img{aspect-ratio:16/9;display:grid;place-items:center;position:relative;background:linear-gradient(140deg,#eaf0f7,#dde7f1);}
.case-img svg{width:34%;fill:#9db0c6;}
.case-cat{
  position:absolute;left:12px;top:12px;background:var(--navy-800);color:#fff;
  font-size:11.5px;font-weight:800;padding:4px 11px;border-radius:6px;
}
.case-body{padding:20px;flex:1;display:flex;flex-direction:column;}
.case-body h3{font-size:17.5px;color:var(--navy-800);margin-bottom:9px;}
.case-body p{font-size:14px;color:var(--ink-2);flex:1;}
.case-meta{
  display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:15px;padding-top:14px;
  border-top:1px solid var(--line-2);font-size:12.5px;color:var(--muted);
}
.case-meta b{color:var(--navy-700);font-weight:800;}

/* ---------- 新闻 ---------- */
.news{
  display:flex;gap:20px;padding:22px 0;border-bottom:1px solid var(--line);align-items:flex-start;
}
.news:last-child{border-bottom:0;}
.news-date{
  flex:none;width:76px;text-align:center;border-radius:12px;padding:11px 6px;
  background:var(--bg-soft);border:1px solid var(--line);
}
.news-date b{display:block;font-size:24px;font-weight:900;color:var(--accent);line-height:1;}
.news-date span{font-size:11.5px;color:var(--muted);font-weight:700;}
.news-main{flex:1;}
.news-main h3{font-size:18px;color:var(--navy-800);margin-bottom:7px;}
.news-main h3 a:hover{color:var(--accent);}
.news-main p{font-size:14.5px;color:var(--ink-2);margin:0;}

/* ---------- 面包屑（浅色区） ---------- */
.crumb-light{display:flex;align-items:center;gap:9px;font-size:13.5px;color:var(--muted);margin-bottom:22px;}
.crumb-light a:hover{color:var(--accent);}

/* ---------- 悬浮咨询 ---------- */
.float-contact{position:fixed;right:18px;bottom:22px;z-index:90;display:flex;flex-direction:column;gap:10px;}
.float-contact button,.float-contact a{
  width:52px;height:52px;border-radius:15px;border:1px solid var(--line);background:#fff;
  box-shadow:var(--shadow);cursor:pointer;display:grid;place-items:center;
}
.float-contact svg{width:23px;height:23px;fill:var(--navy-700);}
.float-contact .fc-main{background:var(--accent);border-color:var(--accent);width:auto;height:auto;padding:13px 18px;gap:9px;display:flex;align-items:center;}
.float-contact .fc-main svg{fill:#fff;width:20px;height:20px;}
.float-contact .fc-main span{color:#fff;font-weight:800;font-size:15px;}

/* ---------- 页脚 ---------- */
.footer{background:var(--bg-deep);color:rgba(255,255,255,.7);padding-top:clamp(48px,5vw,70px);}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.35fr;gap:40px;padding-bottom:44px;}
.footer .logo-text b{color:#fff;}
.footer .logo-text span{color:rgba(255,255,255,.45);}
.footer-intro{margin-top:20px;font-size:14.5px;line-height:1.85;max-width:330px;}
.footer h5{color:#fff;font-size:16px;margin-bottom:18px;letter-spacing:.02em;}
.footer-links li{margin-bottom:11px;}
.footer-links a{font-size:14.5px;transition:.2s;}
.footer-links a:hover{color:var(--accent);padding-left:5px;}
.footer-contact li{display:flex;gap:10px;margin-bottom:14px;font-size:14.5px;align-items:flex-start;}
.footer-contact svg{width:17px;height:17px;flex:none;margin-top:5px;fill:var(--accent);}
.footer-contact b{color:#fff;font-weight:800;}
.kw-cloud{display:flex;flex-wrap:wrap;gap:7px;margin-top:16px;}
.kw-cloud a{
  font-size:12.5px;padding:4px 10px;border-radius:6px;background:rgba(255,255,255,.07);
  color:rgba(255,255,255,.65);
}
.kw-cloud a:hover{background:var(--accent);color:#fff;}
.footer-bot{
  border-top:1px solid rgba(255,255,255,.1);padding:22px 0 30px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13.5px;
}
.footer-bot a:hover{color:var(--accent);}
.footer-bot .sep{opacity:.3;margin:0 8px;}
.back-top{
  position:fixed;right:18px;bottom:88px;z-index:89;width:44px;height:44px;border-radius:13px;
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);cursor:pointer;display:grid;place-items:center;
  opacity:0;visibility:hidden;transition:.28s;
}
.back-top.on{opacity:1;visibility:visible;}
.back-top svg{width:19px;height:19px;fill:var(--navy-700);}

/* ============================================================
   海洋蓝 + 绿色环保 专属组件
   ============================================================ */

/* 波浪分隔（海洋意象） */
.wave-div{position:relative;margin-top:-1px;}
.wave-div svg{display:block;width:100%;height:clamp(38px,6vw,74px);}

/* 环保理念条 */
.eco-bar{
  background:linear-gradient(110deg,var(--teal-dark) 0%,var(--teal) 55%,#1FBE8C 100%);
  color:#fff;position:relative;overflow:hidden;
}
.eco-bar::before{
  content:"";position:absolute;inset:0;opacity:.1;
  background-image:radial-gradient(circle at 12px 12px,rgba(255,255,255,1) 1.4px,transparent 1.6px);
  background-size:26px 26px;
}
.eco-bar .wrap{position:relative;z-index:2;display:flex;align-items:center;gap:clamp(18px,3vw,44px);flex-wrap:wrap;padding-top:clamp(26px,3vw,40px);padding-bottom:clamp(26px,3vw,40px);}
.eco-bar h3{font-size:clamp(19px,2.2vw,25px);color:#fff;flex:none;}
.eco-bar p{margin:0;font-size:15.5px;color:rgba(255,255,255,.92);flex:1;min-width:260px;}
.eco-pill{
  display:inline-flex;align-items:center;gap:7px;font-size:13.5px;font-weight:800;
  background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.32);
  padding:6px 14px;border-radius:999px;color:#fff;white-space:nowrap;
}
.eco-pill svg{width:15px;height:15px;fill:#fff;}

/* 燃料/产品类型卡 */
.fuel-card{
  position:relative;overflow:hidden;border-radius:var(--radius-l);
  padding:30px 26px;background:#fff;border:1px solid var(--line);
  transition:.28s;display:flex;flex-direction:column;
}
.fuel-card::before{
  content:"";position:absolute;inset:0 0 auto 0;height:4px;
  background:linear-gradient(90deg,var(--accent),var(--teal));
}
.fuel-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-l);}
.fuel-card .ic{
  width:58px;height:58px;border-radius:16px;display:grid;place-items:center;margin-bottom:18px;
  background:linear-gradient(140deg,var(--blue-light),var(--teal-light));
}
.fuel-card .ic svg{width:30px;height:30px;fill:var(--accent);}
.fuel-card h3{font-size:20px;color:var(--navy-800);margin-bottom:8px;}
.fuel-card .sub{font-size:13.5px;font-weight:700;color:var(--teal);margin-bottom:12px;letter-spacing:.02em;}
.fuel-card p{font-size:14.5px;color:var(--ink-2);flex:1;margin-bottom:16px;}
.fuel-card .spec{display:grid;gap:7px;font-size:13.5px;color:var(--ink-2);margin-bottom:18px;}
.fuel-card .spec div{display:flex;gap:8px;align-items:baseline;}
.fuel-card .spec b{color:var(--navy-700);font-weight:800;min-width:58px;flex:none;}
.fuel-card.green{border-color:var(--teal-soft);background:linear-gradient(180deg,var(--teal-light) 0%,#fff 46%);}
.fuel-card.green .ic{background:linear-gradient(140deg,#D8F2E8,var(--teal-soft));}
.fuel-card.green .ic svg{fill:var(--teal-dark);}

/* 六大优势卡（带编号） */
.adv{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-l);
  padding:30px 26px 26px;position:relative;transition:.28s;overflow:hidden;
}
.adv:hover{transform:translateY(-5px);box-shadow:var(--shadow-l);border-color:var(--teal-soft);}
.adv .no{
  position:absolute;right:14px;top:6px;font-size:76px;font-weight:900;line-height:1;
  color:var(--blue-soft);font-family:Georgia,"Times New Roman",serif;user-select:none;
}
.adv h3{font-size:19px;color:var(--navy-800);margin-bottom:11px;position:relative;padding-right:52px;}
.adv p{font-size:14.5px;color:var(--ink-2);margin:0;position:relative;}
.adv .tagline{
  display:inline-block;font-size:12.5px;font-weight:800;color:var(--teal-dark);
  background:var(--teal-light);border-radius:6px;padding:4px 11px;margin-bottom:13px;
}

/* 三大理由 */
.reason{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-l);
  padding:34px 28px;position:relative;transition:.28s;
}
.reason:hover{box-shadow:var(--shadow-l);transform:translateY(-5px);}
.reason::after{
  content:"";position:absolute;inset:auto 0 0 0;height:4px;width:0;
  background:linear-gradient(90deg,var(--teal),var(--accent));transition:.35s;
}
.reason:hover::after{width:100%;}
.reason .no{
  width:52px;height:52px;border-radius:15px;display:grid;place-items:center;
  font-size:22px;font-weight:900;color:#fff;margin-bottom:20px;
  background:linear-gradient(140deg,var(--accent),#2E90D9);
}
.reason:nth-child(2) .no{background:linear-gradient(140deg,var(--teal-dark),#1FBE8C);}
.reason:nth-child(3) .no{background:linear-gradient(140deg,var(--navy-700),var(--accent));}
.reason h3{font-size:21px;color:var(--navy-800);margin-bottom:12px;}
.reason p{font-size:15px;color:var(--ink-2);margin-bottom:14px;}
.reason ul{font-size:14px;color:var(--muted);}
.reason ul li{padding:5px 0 5px 18px;position:relative;line-height:1.7;}
.reason ul li::before{
  content:"";position:absolute;left:0;top:14px;width:6px;height:6px;border-radius:50%;
  background:var(--teal);
}

/* 目标 / 理念双栏 */
.promise{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.promise .box{
  border-radius:var(--radius-l);padding:32px 28px;position:relative;overflow:hidden;
}
.promise .box.goal{background:linear-gradient(150deg,var(--navy-800),var(--navy-600));color:#fff;}
.promise .box.phil{background:linear-gradient(150deg,var(--teal-dark),var(--teal));color:#fff;}
.promise .box .lbl{
  display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:.18em;
  background:rgba(255,255,255,.2);border:1px solid rgba(255,255,255,.3);
  padding:5px 13px;border-radius:999px;margin-bottom:16px;color:#fff;
}
.promise .box h3{font-size:21px;color:#fff;margin-bottom:12px;}
.promise .box p{margin:0;font-size:15.5px;line-height:1.85;color:rgba(255,255,255,.9);}
.promise .box::after{
  content:"";position:absolute;right:-30px;bottom:-30px;width:150px;height:150px;
  border-radius:50%;background:rgba(255,255,255,.07);
}

/* 客户 logo 墙 */
.logo-wall{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(132px,1fr));gap:12px;
}
.logo-cell{
  background:#fff;border:1px solid var(--line);border-radius:11px;
  padding:16px 10px;text-align:center;font-size:14.5px;font-weight:700;
  color:var(--navy-700);transition:.24s;line-height:1.35;
  display:flex;align-items:center;justify-content:center;min-height:62px;
}
.logo-cell:hover{border-color:var(--teal);color:var(--teal-dark);transform:translateY(-3px);box-shadow:var(--shadow-s);background:var(--teal-light);}

/* 品牌标签墙 */
.brand-wall{display:flex;flex-wrap:wrap;gap:9px;}
.brand-chip{
  display:inline-flex;align-items:center;gap:7px;font-size:13.5px;font-weight:700;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:7px 15px;color:var(--navy-700);transition:.22s;
}
.brand-chip:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px);box-shadow:var(--shadow-s);}
.brand-chip .en{font-size:11.5px;color:var(--muted);font-weight:600;letter-spacing:.03em;}

/* 分组标题 */
.group-title{
  display:flex;align-items:center;gap:14px;margin-bottom:20px;flex-wrap:wrap;
}
.group-title h3{font-size:20px;color:var(--navy-800);}
.group-title .count{
  font-size:12.5px;font-weight:800;color:var(--teal-dark);background:var(--teal-light);
  padding:3px 11px;border-radius:999px;
}
.group-title::after{content:"";flex:1;height:1px;background:var(--line);min-width:40px;}

/* 联系卡（联系人） */
.contact-hero{
  background:linear-gradient(140deg,var(--navy-800),var(--navy-600));
  border-radius:var(--radius-l);padding:clamp(26px,3.4vw,40px);color:#fff;position:relative;overflow:hidden;
}
.contact-hero::after{
  content:"";position:absolute;right:-40px;top:-40px;width:220px;height:220px;border-radius:50%;
  background:rgba(255,255,255,.06);
}
.contact-hero .who{font-size:13.5px;color:rgba(255,255,255,.72);font-weight:700;letter-spacing:.05em;}
.contact-hero .nm{font-size:clamp(26px,3vw,34px);color:#fff;margin:6px 0 20px;}
.contact-hero .row{display:flex;gap:14px;align-items:flex-start;margin-bottom:14px;position:relative;z-index:2;}
.contact-hero .row svg{width:20px;height:20px;flex:none;margin-top:4px;fill:#7FD9BC;}
.contact-hero .row b{display:block;font-size:19px;color:#fff;font-weight:800;letter-spacing:.01em;}
.contact-hero .row span{display:block;font-size:13px;color:rgba(255,255,255,.7);}
.contact-hero .acts{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px;position:relative;z-index:2;}
.contact-hero .btn-ghost{border-color:rgba(255,255,255,.5);color:#fff;}

/* 服务区域网格 */
.zone-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px;}
.zone{
  background:#fff;border:1px solid var(--line);border-radius:11px;padding:14px 16px;
  display:flex;align-items:center;justify-content:space-between;gap:10px;transition:.22s;
}
.zone:hover{border-color:var(--accent);transform:translateY(-2px);box-shadow:var(--shadow-s);}
.zone b{font-size:15.5px;color:var(--navy-700);font-weight:800;}
.zone span{font-size:12.5px;color:var(--muted);font-weight:700;white-space:nowrap;}

/* 友情链接 */
.links-friends{display:flex;flex-wrap:wrap;gap:8px 14px;font-size:13.5px;}
.links-friends a{
  color:rgba(255,255,255,.62);padding:2px 0;border-bottom:1px solid transparent;transition:.2s;
}
.links-friends a:hover{color:#7FD9BC;border-bottom-color:#7FD9BC;}

/* 新闻分类条 */
.news-tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px;}
.news-tabs a{
  font-size:13.5px;font-weight:700;padding:8px 18px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:var(--ink-2);transition:.22s;
}
.news-tabs a:hover,.news-tabs a.active{background:var(--accent);border-color:var(--accent);color:#fff;}

/* 大修/中修/小修 三段式 */
.overhaul{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;
}
.overhaul .hd{padding:20px 22px;color:#fff;}
.overhaul .hd h3{color:#fff;font-size:19px;margin-bottom:4px;}
.overhaul .hd .hrs{font-size:13px;opacity:.88;font-weight:700;}
.overhaul.minor .hd{background:linear-gradient(120deg,#2E90D9,#5FB4E8);}
.overhaul.mid .hd{background:linear-gradient(120deg,var(--accent),#2E90D9);}
.overhaul.major .hd{background:linear-gradient(120deg,var(--navy-700),var(--navy-900));}
.overhaul .bd{padding:20px 22px 24px;flex:1;}
.overhaul ol{counter-reset:ov;margin:0;}
.overhaul ol li{
  position:relative;padding-left:28px;font-size:14px;color:var(--ink-2);
  margin-bottom:10px;line-height:1.75;counter-increment:ov;
}
.overhaul ol li::before{
  content:counter(ov);position:absolute;left:0;top:4px;width:19px;height:19px;
  border-radius:6px;background:var(--blue-light);color:var(--navy-700);
  font-size:11px;font-weight:800;display:grid;place-items:center;
}
.overhaul .bd > p.note{
  font-size:12.5px;color:var(--muted);background:var(--bg-soft);
  border-radius:9px;padding:11px 13px;margin:14px 0 0;line-height:1.65;
}

/* 故障清单双列 */
.fault-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px 26px;}
.fault-grid li{
  display:flex;gap:11px;align-items:flex-start;padding:11px 0;
  border-bottom:1px dashed var(--line);font-size:14.5px;color:var(--ink-2);
}
.fault-grid li:last-child{border-bottom:0;}
.fault-grid .no{
  flex:none;width:23px;height:23px;border-radius:7px;background:var(--blue-light);
  color:var(--navy-700);font-size:11.5px;font-weight:800;display:grid;place-items:center;margin-top:2px;
}

/* 时间线 */
.timeline{position:relative;padding-left:32px;}
.timeline::before{
  content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;
  background:linear-gradient(180deg,var(--accent),var(--teal));
}
.timeline li{position:relative;padding-bottom:26px;}
.timeline li:last-child{padding-bottom:0;}
.timeline li::before{
  content:"";position:absolute;left:-28px;top:6px;width:12px;height:12px;border-radius:50%;
  background:#fff;border:3px solid var(--accent);
}
.timeline .yr{font-size:13px;font-weight:900;color:var(--accent);letter-spacing:.04em;}
.timeline h4{font-size:17px;color:var(--navy-800);margin:4px 0 7px;}
.timeline p{font-size:14.5px;color:var(--ink-2);margin:0;}

/* 高亮数字条 */
.power-strip{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
}
.power-strip div{background:#fff;padding:22px 16px;text-align:center;}
.power-strip b{display:block;font-size:clamp(22px,2.4vw,30px);font-weight:900;color:var(--accent);letter-spacing:-.02em;}
.power-strip b.green{color:var(--teal);}
.power-strip span{display:block;font-size:13px;color:var(--muted);margin-top:4px;font-weight:700;}

/* 响应式补充 */
@media (max-width:1080px){
  .promise{grid-template-columns:1fr;}
}
@media (max-width:720px){
  .fault-grid{grid-template-columns:1fr;}
  .logo-wall{grid-template-columns:repeat(auto-fill,minmax(108px,1fr));}
  .adv .no{font-size:60px;}
  .eco-bar .wrap{flex-direction:column;align-items:flex-start;}
}
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease;}
.reveal.in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .hero-grid,.split{grid-template-columns:1fr;}
  .split.rev > .media{order:0;}
  .g4,.g5,.feat-bar,.stats,.flow{grid-template-columns:repeat(2,1fr);}
  .flow::before{display:none;}
  .flow .n{margin-bottom:12px;}
  .footer-top{grid-template-columns:1fr 1fr;gap:34px;}
  .nav,.header-cta .hotline{display:none;}
  .burger{display:grid;}
  .float-1,.float-2{display:none;}
  .g3{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:720px){
  .wrap{padding:0 18px;}
  .g2,.g3,.g4,.g5,.feat-bar,.stats,.flow,.form-row{grid-template-columns:1fr;}
  .hero-badges{grid-template-columns:repeat(2,1fr);}
  .topbar-left .hide-sm{display:none;}
  .footer-top{grid-template-columns:1fr;}
  .footer-bot{flex-direction:column;text-align:center;}
  .gauge-row{grid-template-columns:1fr;}
  .news{flex-direction:column;gap:12px;}
  .news-date{width:auto;display:flex;align-items:baseline;gap:8px;padding:6px 14px;border-radius:8px;}
  .news-date b{font-size:18px;}
  .cta-band .wrap{flex-direction:column;align-items:flex-start;}
  .float-contact{right:12px;bottom:14px;}
  .float-contact button,.float-contact a{width:46px;height:46px;}
  .float-contact .fc-main{width:auto;padding:11px 15px;}
  .back-top{bottom:72px;right:12px;}
  .hero-art{padding:0 4px;}
}

@media print{
  .header,.topbar,.float-contact,.back-top,.cta-band,.mobile-nav{display:none!important;}
  body{font-size:12pt;}
}