/* ===================================================================
   靖江三一零科技 — 主样式
   主题：蓝色大气 · 环保水生态
   =================================================================== */

:root{
  --navy:#061C3A;
  --navy-2:#0A2A52;
  --blue:#0B63CE;
  --blue-2:#1565C0;
  --blue-l:#2E9BFF;
  --cyan:#2FD3F0;
  --green:#14C9A6;
  --text:#16263D;
  --muted:#6B7C93;
  --line:#E2EAF5;
  --bg:#F4F8FE;
  --white:#fff;
  --radius:18px;
  --shadow-sm:0 4px 16px rgba(11,99,206,.07);
  --shadow:0 14px 40px rgba(11,99,206,.12);
  --shadow-lg:0 26px 70px rgba(6,28,58,.16);
  --maxw:1240px;
}

*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:var(--text);
  background:var(--white);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{text-decoration:none;color:inherit;}
ul{list-style:none;}
img,svg{display:block;max-width:100%;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px;}

.grad{
  background:linear-gradient(100deg,var(--blue) 0%,var(--blue-l) 45%,var(--cyan) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.grad-light{
  background:linear-gradient(100deg,#7ED8F5 0%,#2FD3F0 50%,#14C9A6 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:52px;padding:0 32px;border-radius:999px;
  font-size:16px;font-weight:600;letter-spacing:.3px;
  border:1px solid transparent;cursor:pointer;transition:.3s cubic-bezier(.2,.7,.3,1);
  white-space:nowrap;
}
.btn-sm{height:42px;padding:0 22px;font-size:14px;}
.btn-primary{
  background:linear-gradient(100deg,var(--blue) 0%,var(--blue-l) 100%);
  color:#fff;box-shadow:0 10px 26px rgba(11,99,206,.32);
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 34px rgba(11,99,206,.42);}
.btn-ghost{
  background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.35);
  backdrop-filter:blur(6px);
}
.btn-ghost:hover{background:rgba(255,255,255,.18);transform:translateY(-3px);}

/* ===================== 顶部导航 ===================== */
.site-header{position:fixed;top:0;left:0;right:0;z-index:100;transition:.35s;}
.topbar{
  background:linear-gradient(90deg,rgba(6,28,58,.9),rgba(10,42,82,.75));
  border-bottom:1px solid rgba(255,255,255,.08);
  font-size:13px;color:rgba(255,255,255,.72);
  transition:.35s;
}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;height:40px;}
.topbar-txt{display:flex;align-items:center;gap:8px;letter-spacing:.5px;}
.topbar-txt .dot{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px rgba(20,201,166,.22);animation:blink 2s infinite;}
@keyframes blink{50%{opacity:.35;}}
.topbar-right a{transition:.25s;}
.topbar-right a:hover{color:#fff;}
.topbar-right .sep{margin:0 10px;opacity:.3;}
.topbar-right .tel b{color:var(--cyan);font-size:14px;letter-spacing:.5px;}

.nav-inner{display:flex;align-items:center;justify-content:space-between;height:74px;}
.logo{display:flex;align-items:center;gap:12px;}
.logo-mark{display:flex;}
.logo-text{display:flex;flex-direction:column;line-height:1.2;}
.logo-text b{font-size:20px;font-weight:800;color:#fff;letter-spacing:1px;}
.logo-text em{font-size:10px;font-style:normal;letter-spacing:1.5px;color:rgba(255,255,255,.55);white-space:nowrap;}
.logo-text.dark b{color:var(--navy);}
.logo-text.dark em{color:var(--muted);}

.nav{display:flex;gap:34px;}
.nav a{
  position:relative;font-size:15px;font-weight:500;color:rgba(255,255,255,.86);
  padding:6px 0;transition:.25s;
}
.nav a::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:2px;
  background:linear-gradient(90deg,var(--cyan),var(--blue-l));border-radius:2px;transition:.3s;
}
.nav a:hover,.nav a.active{color:#fff;}
.nav a:hover::after,.nav a.active::after{width:100%;}

.nav-actions{display:flex;align-items:center;gap:14px;}
.menu-toggle{display:none;flex-direction:column;gap:5px;width:40px;height:40px;
  background:none;border:none;cursor:pointer;padding:8px;}
.menu-toggle span{display:block;height:2px;background:#fff;border-radius:2px;transition:.3s;}

/* 滚动后状态 */
.site-header.scrolled{
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(160%) blur(14px);
  box-shadow:0 4px 24px rgba(6,28,58,.1);
}
.site-header.scrolled .topbar{height:0;overflow:hidden;opacity:0;border:none;transition:.3s;}
.site-header.scrolled .nav-inner{height:68px;}
.site-header.scrolled .logo-text b{color:var(--navy);}
.site-header.scrolled .logo-text em{color:var(--muted);}
.site-header.scrolled .nav a{color:rgba(22,38,61,.8);}
.site-header.scrolled .nav a:hover,.site-header.scrolled .nav a.active{color:var(--blue);}
.site-header.scrolled .menu-toggle span{background:var(--navy);}

/* ===================== HERO ===================== */
.hero{
  position:relative;min-height:100vh;display:flex;align-items:center;
  background:radial-gradient(120% 90% at 15% 10%,#0E3A73 0%,var(--navy-2) 45%,var(--navy) 100%);
  color:#fff;overflow:hidden;padding:150px 0 150px;
}
.hero-bg{position:absolute;inset:0;pointer-events:none;}
.glow{position:absolute;border-radius:50%;filter:blur(90px);}
.glow-1{width:640px;height:640px;top:-180px;right:-120px;background:rgba(47,211,240,.22);animation:float 14s ease-in-out infinite;}
.glow-2{width:520px;height:520px;bottom:-200px;left:-140px;background:rgba(20,201,166,.15);animation:float 18s ease-in-out infinite reverse;}
@keyframes float{0%,100%{transform:translate(0,0);}50%{transform:translate(-40px,40px);}}
.grid-lines{
  position:absolute;inset:0;opacity:.16;
  background-image:linear-gradient(rgba(255,255,255,.5) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:70px 70px;
  mask-image:radial-gradient(80% 60% at 50% 40%,#000 0%,transparent 100%);
  -webkit-mask-image:radial-gradient(80% 60% at 50% 40%,#000 0%,transparent 100%);
}
.waves{position:absolute;left:0;right:0;bottom:0;width:100%;height:300px;}
.wave{transform-origin:center bottom;}
.wave-a{animation:waveMove 11s ease-in-out infinite;}
.wave-b{animation:waveMove 15s ease-in-out infinite reverse;}
@keyframes waveMove{0%,100%{transform:translateX(0) scaleY(1);}50%{transform:translateX(-32px) scaleY(1.08);}}

.bubbles{position:absolute;inset:0;overflow:hidden;}
.bubble{
  position:absolute;bottom:-40px;border-radius:50%;
  background:radial-gradient(circle at 32% 28%,rgba(255,255,255,.85),rgba(47,211,240,.28) 55%,rgba(47,211,240,0) 72%);
  animation:rise linear infinite;
}
@keyframes rise{
  0%{transform:translateY(0) scale(.5);opacity:0;}
  12%{opacity:.7;}
  100%{transform:translateY(-112vh) scale(1.15);opacity:0;}
}

.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:999px;font-size:13px;letter-spacing:.5px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);
  color:rgba(255,255,255,.9);backdrop-filter:blur(6px);margin-bottom:26px;
}
.hero-title{
  font-size:clamp(34px,4.6vw,58px);line-height:1.22;font-weight:800;letter-spacing:.5px;
  margin-bottom:22px;
}
.hero-desc{font-size:17px;color:rgba(255,255,255,.76);max-width:520px;margin-bottom:36px;}
.hero-desc b{color:#fff;border-bottom:1px solid var(--cyan);padding-bottom:1px;}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:34px;}
.hero-tags{display:flex;gap:28px;flex-wrap:wrap;}
.hero-tags li{position:relative;padding-left:18px;font-size:14px;color:rgba(255,255,255,.72);}
.hero-tags li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:50%;
  background:var(--green);box-shadow:0 0 0 4px rgba(20,201,166,.2);
}

/* HERO 右侧卡片 */
.hero-visual{position:relative;}
.hero-card{
  background:linear-gradient(160deg,rgba(255,255,255,.13),rgba(255,255,255,.05));
  border:1px solid rgba(255,255,255,.18);
  border-radius:26px;padding:26px 26px 0;
  backdrop-filter:blur(18px);
  box-shadow:0 30px 80px rgba(0,0,0,.3);
  animation:cardFloat 7s ease-in-out infinite;
}
@keyframes cardFloat{0%,100%{transform:translateY(0);}50%{transform:translateY(-14px);}}
.hc-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px;}
.hc-title{font-size:16px;font-weight:700;letter-spacing:.5px;}
.hc-tag{font-size:12px;padding:4px 12px;border-radius:999px;background:var(--green);color:#04231d;font-weight:700;}
.mixer-svg{width:100%;height:auto;}
.impeller{transform-origin:160px 266px;animation:spin 3.4s linear infinite;}
@keyframes spin{to{transform:rotate(360deg);}}
.fl{animation:flow 1.8s linear infinite;}
.fl2{animation-delay:.5s;}
.fl3{animation-delay:1s;}
@keyframes flow{to{stroke-dashoffset:-104;}}

/* 曝气气泡 */
.bb1{animation:bubbleUp 3s ease-in-out infinite;}
.bb2{animation:bubbleUp 3.6s ease-in-out .6s infinite;}
.bb3{animation:bubbleUp 4.2s ease-in-out 1.2s infinite;}
@keyframes bubbleUp{
  0%{transform:translateY(6px) scale(.7);opacity:0;}
  30%{opacity:.85;}
  100%{transform:translateY(-46px) scale(1.15);opacity:0;}
}
.hc-specs{
  display:grid;grid-template-columns:repeat(3,1fr);gap:8px;
  margin:0 -26px;padding:18px 20px;
  background:rgba(6,28,58,.4);border-top:1px solid rgba(255,255,255,.1);
  border-radius:0 0 26px 26px;text-align:center;
}
.hc-specs b{display:block;font-size:19px;font-weight:800;color:#fff;}
.hc-specs span{font-size:11px;color:rgba(255,255,255,.6);}

.hero-scroll{
  position:absolute;left:50%;bottom:104px;transform:translateX(-50%);
  display:flex;flex-direction:column;align-items:center;gap:8px;
  font-size:12px;letter-spacing:2px;color:rgba(255,255,255,.55);z-index:3;
}
.hero-scroll span{
  width:24px;height:40px;border:1px solid rgba(255,255,255,.35);border-radius:14px;position:relative;
}
.hero-scroll span::after{
  content:"";position:absolute;left:50%;top:8px;width:4px;height:8px;margin-left:-2px;
  border-radius:2px;background:var(--cyan);animation:scrollDot 1.8s ease-in-out infinite;
}
@keyframes scrollDot{0%{opacity:0;transform:translateY(0);}30%{opacity:1;}100%{opacity:0;transform:translateY(18px);}}

/* ===================== 数据条 ===================== */
.stats{background:var(--white);padding:0;position:relative;z-index:5;}
.stats-grid{
  display:grid;grid-template-columns:repeat(5,1fr);
  background:linear-gradient(100deg,var(--blue) 0%,#1667c9 40%,#1B8FBF 100%);
  border-radius:var(--radius);
  box-shadow:0 30px 60px rgba(6,28,58,.22);
  overflow:hidden;margin-top:-64px;position:relative;
}
.stat-item{padding:34px 16px;text-align:center;color:#fff;position:relative;}
.stat-item+.stat-item::before{
  content:"";position:absolute;left:0;top:22%;height:56%;width:1px;background:rgba(255,255,255,.2);
}
.stat-item b{display:block;font-size:38px;font-weight:800;line-height:1.1;letter-spacing:-.5px;}
.stat-item span{font-size:14px;color:rgba(255,255,255,.78);}

/* ===================== 通用区块 ===================== */
.section{padding:110px 0;}
.section-alt{background:var(--bg);}
.sec-head{max-width:720px;margin:0 auto 60px;text-align:center;}
.sec-kicker{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:3px;
  color:var(--blue);margin-bottom:16px;text-transform:uppercase;
}
.sec-kicker.light{color:var(--cyan);}
.sec-title{font-size:clamp(26px,3.2vw,40px);font-weight:800;line-height:1.35;margin-bottom:16px;letter-spacing:.3px;}
.sec-desc{font-size:16px;color:var(--muted);}

.reveal{opacity:0;transform:translateY(34px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.3,1);}
.reveal.in{opacity:1;transform:none;}

/* ===================== 产品卡片 ===================== */
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.product-card{
  position:relative;background:var(--white);border:1px solid var(--line);
  border-radius:var(--radius);padding:32px 28px 26px;display:block;overflow:hidden;
  transition:.4s cubic-bezier(.2,.7,.3,1);
}
.product-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:linear-gradient(90deg,var(--blue),var(--cyan));transform:scaleX(0);transform-origin:left;transition:.4s;
}
.product-card:hover{transform:translateY(-10px);box-shadow:var(--shadow);border-color:transparent;}
.product-card:hover::before{transform:scaleX(1);}
.pc-icon{
  width:78px;height:78px;border-radius:20px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,rgba(11,99,206,.1),rgba(47,211,240,.16));margin-bottom:20px;
}
.product-card:hover .pc-icon{background:linear-gradient(140deg,rgba(11,99,206,.16),rgba(47,211,240,.26));}
.spin{transform-origin:32px 52px;animation:spin 4s linear infinite;}
.pulse{transform-origin:32px 44px;animation:pulse 2.2s ease-out infinite;}
@keyframes pulse{0%{opacity:.9;transform:scale(.7);}100%{opacity:0;transform:scale(1.5);}}

.product-card h3{font-size:19px;font-weight:700;margin-bottom:10px;}
.product-card p{font-size:14.5px;color:var(--muted);margin-bottom:18px;min-height:76px;}
.pc-list{border-top:1px dashed var(--line);padding-top:14px;margin-bottom:16px;}
.pc-list li{position:relative;padding-left:16px;font-size:13.5px;color:var(--text);opacity:.85;margin-bottom:6px;}
.pc-list li::before{
  content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;
  background:var(--cyan);
}
.pc-more{font-size:14px;font-weight:700;color:var(--blue);transition:.3s;}
.product-card:hover .pc-more{gap:8px;transform:translateX(4px);display:inline-block;}

/* ===================== 技术优势 ===================== */
.adv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.adv-card{
  background:var(--white);border-radius:var(--radius);padding:34px 26px;
  box-shadow:var(--shadow-sm);position:relative;transition:.4s;overflow:hidden;
}
.adv-card:hover{transform:translateY(-8px);box-shadow:var(--shadow);}
.adv-no{
  font-size:44px;font-weight:800;line-height:1;
  background:linear-gradient(140deg,rgba(11,99,206,.22),rgba(47,211,240,.3));
  -webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:14px;
}
.adv-card h3{font-size:18px;font-weight:700;margin-bottom:10px;}
.adv-card p{font-size:14px;color:var(--muted);margin-bottom:22px;}
.adv-bar{height:6px;border-radius:4px;background:#EAF1FA;overflow:hidden;margin-bottom:10px;}
.adv-bar i{display:block;height:100%;width:0;border-radius:4px;background:linear-gradient(90deg,var(--blue),var(--cyan));transition:width 1.4s .3s cubic-bezier(.2,.7,.3,1);}
.reveal.in .adv-bar i{width:var(--w);}
.adv-metric{font-size:13px;color:var(--muted);}
.adv-metric b{color:var(--blue);font-size:16px;}

/* ===================== 应用领域 ===================== */
.app-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.app-item{
  position:relative;border-radius:var(--radius);overflow:hidden;min-height:220px;
  display:flex;align-items:flex-end;color:#fff;box-shadow:var(--shadow-sm);transition:.4s;
}
.app-item.app-lg{grid-column:span 2;min-height:220px;}
.app-bg{
  position:absolute;inset:0;
  background:linear-gradient(135deg,var(--c1),var(--c2));
  transition:.5s;
}
.app-bg::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(60% 50% at 80% 20%,rgba(255,255,255,.28),transparent 70%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='60'%3E%3Cpath d='M0 30 q25 -18 50 0 t50 0 t50 0 t50 0' fill='none' stroke='rgba(255,255,255,.16)' stroke-width='2'/%3E%3C/svg%3E") repeat-x bottom;
  background-size:auto,220px 66px;
}
.app-item:hover{transform:translateY(-8px);box-shadow:var(--shadow);}
.app-item:hover .app-bg{transform:scale(1.06);}
.app-body{position:relative;z-index:2;padding:28px;}
.app-body h3{font-size:20px;font-weight:700;margin-bottom:8px;}
.app-item.app-lg .app-body h3{font-size:24px;}
.app-body p{font-size:14px;color:rgba(255,255,255,.85);margin-bottom:0;}
.app-tag{
  display:inline-block;margin-top:14px;padding:5px 14px;border-radius:999px;
  background:rgba(255,255,255,.2);border:1px solid rgba(255,255,255,.3);font-size:12.5px;
}

/* ===================== 环保理念 ===================== */
.green{position:relative;padding:110px 0;background:linear-gradient(120deg,#062A55 0%,#0A3A6E 55%,#0E4E7C 100%);color:#fff;overflow:hidden;}
.green-bg{
  position:absolute;inset:0;
  background:
    radial-gradient(60% 70% at 85% 25%,rgba(20,201,166,.22),transparent 70%),
    radial-gradient(50% 60% at 10% 85%,rgba(47,211,240,.16),transparent 70%);
}
.green-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.green-copy h2{font-size:clamp(26px,3.2vw,40px);font-weight:800;line-height:1.35;margin:14px 0 18px;}
.green-copy p{color:rgba(255,255,255,.78);font-size:16px;margin-bottom:30px;}
.green-copy p b{color:#fff;}
.green-list li{display:flex;gap:14px;margin-bottom:18px;}
.green-list i{
  flex:none;width:22px;height:22px;margin-top:5px;border-radius:50%;
  background:linear-gradient(140deg,var(--cyan),var(--green));
  box-shadow:0 0 0 5px rgba(47,211,240,.15);
}
.green-list b{display:block;font-size:16px;margin-bottom:2px;}
.green-list span{font-size:14px;color:rgba(255,255,255,.68);}

.carbon-card{
  background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.18);
  backdrop-filter:blur(14px);border-radius:24px;padding:32px;
  box-shadow:0 24px 60px rgba(0,0,0,.28);
}
.cc-label{font-size:13px;letter-spacing:1px;color:rgba(255,255,255,.65);}
.cc-value{display:flex;align-items:baseline;gap:8px;margin:8px 0 4px;}
.cc-value b{font-size:56px;font-weight:800;line-height:1;
  background:linear-gradient(100deg,#7ED8F5,#14C9A6);-webkit-background-clip:text;background-clip:text;color:transparent;}
.cc-value em{font-style:normal;font-size:16px;color:rgba(255,255,255,.7);}
.cc-eq{font-size:14px;color:rgba(255,255,255,.75);margin-bottom:26px;}
.cc-eq b{color:var(--green);}
.cc-chart{display:flex;align-items:flex-end;gap:12px;height:130px;padding-bottom:6px;}
.cc-chart span{
  flex:1;height:100%;display:flex;align-items:flex-end;justify-content:center;position:relative;
}
.cc-chart span::before{
  content:"";display:block;width:100%;height:0;border-radius:8px 8px 0 0;
  background:linear-gradient(180deg,var(--cyan),rgba(20,201,166,.55));
  transition:height 1.2s .4s cubic-bezier(.2,.7,.3,1);
}
.reveal.in .cc-chart span::before{height:var(--h);}
.cc-chart i{position:absolute;bottom:-24px;font-style:normal;font-size:12px;color:rgba(255,255,255,.55);}
.cc-foot{display:block;margin-top:32px;font-size:12.5px;color:rgba(255,255,255,.5);}

/* ===================== 案例 ===================== */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.case-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:.4s;display:block;
}
.case-card:hover{transform:translateY(-10px);box-shadow:var(--shadow);border-color:transparent;}
.cc-img{
  height:190px;background:linear-gradient(135deg,var(--c1),var(--c2));position:relative;
}
.cc-img::after{
  content:"";position:absolute;inset:0;
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='80'%3E%3Cpath d='M0 40 q30 -22 60 0 t60 0 t60 0 t60 0' fill='none' stroke='rgba(255,255,255,.2)' stroke-width='2'/%3E%3Cpath d='M0 66 q30 -18 60 0 t60 0 t60 0 t60 0' fill='none' stroke='rgba(255,255,255,.12)' stroke-width='2'/%3E%3C/svg%3E") repeat-x bottom;
  background-size:240px 90px;
}
.cc-place{
  position:absolute;left:18px;top:18px;z-index:2;padding:5px 14px;border-radius:999px;
  background:rgba(255,255,255,.22);backdrop-filter:blur(6px);border:1px solid rgba(255,255,255,.3);
  font-size:12.5px;color:#fff;
}
.cc-body{padding:24px 26px 26px;}
.cc-body h3{font-size:18px;font-weight:700;margin-bottom:8px;}
.cc-body p{font-size:14px;color:var(--muted);margin-bottom:16px;}
.cc-meta{display:flex;gap:10px;}
.cc-meta span{
  padding:4px 12px;border-radius:6px;font-size:12.5px;font-weight:600;
  background:rgba(11,99,206,.08);color:var(--blue);
}

/* ===================== 服务流程 ===================== */
.flow-wrap{
  display:grid;grid-template-columns:repeat(5,1fr);gap:16px;position:relative;
}
.flow-step{
  position:relative;text-align:center;padding:34px 18px 26px;background:var(--white);
  border-radius:var(--radius);box-shadow:var(--shadow-sm);transition:.4s;
}
.flow-step::after{
  content:"";position:absolute;right:-16px;top:50%;width:16px;height:2px;
  background:linear-gradient(90deg,var(--blue),var(--cyan));z-index:2;
}
.flow-step:last-child::after{display:none;}
.flow-step:hover{transform:translateY(-6px);box-shadow:var(--shadow);}
.fs-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:46px;height:46px;border-radius:50%;margin-bottom:14px;
  background:linear-gradient(140deg,var(--blue),var(--cyan));
  color:#fff;font-size:18px;font-weight:800;box-shadow:0 8px 20px rgba(11,99,206,.28);
}
.flow-step h4{font-size:16px;font-weight:700;margin-bottom:6px;}
.flow-step p{font-size:13px;color:var(--muted);line-height:1.6;}

/* ===================== CTA ===================== */
.cta{
  padding:96px 0;
  background:linear-gradient(120deg,var(--navy) 0%,#0B3E78 50%,#136BA8 100%);
  color:#fff;position:relative;overflow:hidden;
}
.cta::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(50% 80% at 80% 30%,rgba(47,211,240,.2),transparent 70%);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.cta-copy h2{font-size:clamp(24px,2.8vw,36px);font-weight:800;line-height:1.4;margin-bottom:14px;}
.cta-copy p{color:rgba(255,255,255,.7);font-size:15.5px;}
.cta-form{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  backdrop-filter:blur(12px);border-radius:22px;padding:30px;
  display:grid;grid-template-columns:1fr 1fr;gap:14px;
}
.cta-form input{
  height:50px;padding:0 18px;border-radius:12px;font-size:15px;font-family:inherit;
  background:rgba(255,255,255,.94);border:1px solid rgba(255,255,255,.3);color:var(--text);outline:none;
  transition:.3s;
}
.cta-form input:focus{border-color:var(--cyan);box-shadow:0 0 0 4px rgba(47,211,240,.2);}
.cta-form input:nth-child(3){grid-column:span 2;}
.cta-form .btn{grid-column:span 2;width:100%;}
.form-note{grid-column:span 2;font-size:12px;color:rgba(255,255,255,.55);text-align:center;margin-top:-2px;}

/* ---------- 表单提交后的兜底联系卡 ---------- */
.form-fallback{
  grid-column:span 2;margin-top:12px;padding:18px 20px;border-radius:16px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.3);
}
.form-fallback[hidden]{display:none;}
.form-fallback h5{
  display:flex;align-items:center;gap:9px;font-size:14.5px;font-weight:700;color:#fff;margin-bottom:8px;
}
.form-fallback h5::before{
  content:'';width:8px;height:8px;border-radius:50%;flex:none;
  background:var(--cyan);box-shadow:0 0 0 4px rgba(47,211,240,.28);
}
.form-fallback p{font-size:12.5px;line-height:1.85;color:rgba(255,255,255,.78);margin-bottom:13px;}
.ff-actions{display:flex;flex-wrap:wrap;gap:8px;}
.ff-btn{
  display:inline-flex;align-items:center;gap:6px;padding:9px 15px;border-radius:999px;
  font-size:12.5px;font-weight:600;font-family:inherit;cursor:pointer;text-decoration:none;
  transition:.25s;color:#fff;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.38);
}
.ff-btn:hover{background:rgba(255,255,255,.3);border-color:rgba(255,255,255,.65);}
.ff-btn.ok{background:var(--cyan);color:#04243A;border-color:transparent;}
/* 浅色底内（联系页表单面板 / 新闻页订阅框）反色 */
.form-panel .form-fallback,.form-light .form-fallback{background:#F1F7FF;border-color:#D8E6F7;}
.form-panel .form-fallback,.form-light .form-fallback{grid-column:auto;}
.cta-form.form-light .form-fallback{grid-column:span 2;}
.form-panel .form-fallback h5,.form-light .form-fallback h5{color:var(--text);}
.form-panel .form-fallback p,.form-light .form-fallback p{color:var(--muted);}
.form-panel .ff-btn,.form-light .ff-btn{background:#fff;border-color:var(--line);color:var(--blue);}
.form-panel .ff-btn:hover,.form-light .ff-btn:hover{background:var(--blue);color:#fff;border-color:var(--blue);}
.form-panel .ff-btn.ok,.form-light .ff-btn.ok{background:var(--cyan);color:#04243A;border-color:transparent;}

/* 浅色底版本表单 */
.form-light{background:var(--white);border-color:var(--line);box-shadow:var(--shadow-sm);}
.form-light input{background:#FAFCFF;border-color:var(--line);color:var(--text);}
.form-light input:focus{border-color:var(--blue);background:#fff;}

/* ===================== 页脚 ===================== */
.footer{background:#041426;color:rgba(255,255,255,.68);padding:70px 0 0;}
.footer-top{display:grid;grid-template-columns:1.3fr 2.2fr;gap:50px;padding-bottom:48px;}
.footer .logo-text b{color:#fff;}
.ft-brand p{font-size:14px;margin:14px 0 20px;color:rgba(255,255,255,.6);max-width:380px;}
.ft-contact span{display:block;font-size:14px;margin-bottom:8px;}
.ft-links{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.ft-links h5{font-size:15px;color:#fff;font-weight:700;margin-bottom:16px;}
.ft-links a{display:block;font-size:13.5px;margin-bottom:10px;transition:.25s;}
.ft-links a:hover{color:var(--cyan);transform:translateX(3px);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:22px 24px;
  display:flex;justify-content:space-between;align-items:center;font-size:13px;flex-wrap:wrap;gap:10px;
}
.fb-links a{margin-left:20px;transition:.25s;}
.fb-links a:hover{color:var(--cyan);}

/* ===================== 内页通用头图 ===================== */
.page-hero{
  position:relative;padding:150px 0 78px;color:#fff;overflow:hidden;
  background:radial-gradient(120% 100% at 12% 0%,#0E3A73 0%,var(--navy-2) 48%,var(--navy) 100%);
}
.page-hero::before{
  content:"";position:absolute;inset:0;opacity:.14;
  background-image:linear-gradient(rgba(255,255,255,.5) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:70px 70px;
  mask-image:radial-gradient(70% 80% at 60% 30%,#000,transparent 100%);
  -webkit-mask-image:radial-gradient(70% 80% at 60% 30%,#000,transparent 100%);
}
.page-hero::after{
  content:"";position:absolute;right:-140px;top:-120px;width:520px;height:520px;border-radius:50%;
  background:rgba(47,211,240,.22);filter:blur(90px);
}
.ph-inner{position:relative;z-index:2;}
.breadcrumb{
  display:flex;align-items:center;gap:10px;font-size:13px;color:rgba(255,255,255,.6);margin-bottom:16px;
}
.breadcrumb a{transition:.25s;}
.breadcrumb a:hover{color:#fff;}
.breadcrumb span{opacity:.4;}
.page-hero h1{font-size:clamp(28px,3.6vw,44px);font-weight:800;line-height:1.3;margin-bottom:14px;}
.page-hero p{font-size:16px;color:rgba(255,255,255,.74);max-width:680px;}

/* ===================== 筛选标签 ===================== */
.filter-tabs{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-bottom:46px;}
.filter-tabs button{
  height:40px;padding:0 22px;border-radius:999px;font-size:14.5px;font-family:inherit;
  background:var(--white);border:1px solid var(--line);color:var(--text);cursor:pointer;transition:.3s;
}
.filter-tabs button:hover{border-color:var(--blue);color:var(--blue);}
.filter-tabs button.active{
  background:linear-gradient(100deg,var(--blue),var(--blue-l));color:#fff;border-color:transparent;
  box-shadow:0 8px 20px rgba(11,99,206,.28);
}

/* ===================== 左右交错产品块 ===================== */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;margin-bottom:78px;scroll-margin-top:100px;}
.split:last-of-type{margin-bottom:0;}
.split.reverse .split-visual{order:2;}
.split-visual{
  position:relative;border-radius:24px;padding:44px;min-height:340px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(150deg,#EAF3FF 0%,#DCECFF 60%,#CFE6FA 100%);
  box-shadow:var(--shadow-sm);overflow:hidden;
}
.split-visual::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:110px;
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='260' height='90'%3E%3Cpath d='M0 46 q32 -24 65 0 t65 0 t65 0 t65 0' fill='none' stroke='rgba(11,99,206,.16)' stroke-width='2'/%3E%3Cpath d='M0 72 q32 -20 65 0 t65 0 t65 0 t65 0' fill='none' stroke='rgba(11,99,206,.1)' stroke-width='2'/%3E%3C/svg%3E") repeat-x bottom;
  background-size:260px 90px;
}
.split-visual svg{position:relative;z-index:2;width:100%;max-width:330px;height:auto;}
.split-body h2{font-size:28px;font-weight:800;margin-bottom:8px;line-height:1.35;}
.split-sub{font-size:14px;letter-spacing:2px;color:var(--blue);font-weight:700;margin-bottom:16px;text-transform:uppercase;}
.split-body>p{font-size:15.5px;color:var(--muted);margin-bottom:22px;}
.kv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:22px;}
.kv-grid div{
  background:var(--bg);border-radius:12px;padding:14px 12px;text-align:center;border:1px solid var(--line);
}
.kv-grid b{display:block;font-size:18px;color:var(--blue);font-weight:800;}
.kv-grid span{font-size:12px;color:var(--muted);}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px;}
.chips span{
  padding:5px 14px;border-radius:999px;font-size:13px;
  background:rgba(11,99,206,.07);color:var(--blue);border:1px solid rgba(11,99,206,.16);
}
.btn-line{
  display:inline-flex;align-items:center;height:48px;padding:0 28px;border-radius:999px;
  border:1.5px solid var(--blue);color:var(--blue);font-weight:600;font-size:15px;transition:.3s;
}
.btn-line:hover{background:var(--blue);color:#fff;transform:translateY(-2px);}

/* ===================== 参数表 ===================== */
.table-wrap{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-sm);
}
.table-scroll{overflow-x:auto;}
table.spec{width:100%;border-collapse:collapse;font-size:14.5px;min-width:720px;}
table.spec thead th{
  background:linear-gradient(100deg,var(--blue),#1B8FBF);color:#fff;font-weight:600;
  padding:16px 18px;text-align:left;white-space:nowrap;font-size:14px;
}
table.spec tbody td{padding:14px 18px;border-bottom:1px solid var(--line);color:var(--text);}
table.spec tbody tr:nth-child(even){background:#FAFCFF;}
table.spec tbody tr:hover{background:#EDF5FF;}
table.spec tbody td:first-child{font-weight:700;color:var(--blue);white-space:nowrap;}
.table-note{padding:14px 20px;font-size:13px;color:var(--muted);background:var(--bg);border-top:1px solid var(--line);}

/* ===================== 产品详情标签页 ===================== */
.tabs{display:flex;gap:6px;border-bottom:1px solid var(--line);margin-bottom:34px;flex-wrap:wrap;}
.tabs button{
  padding:14px 26px;font-size:15.5px;font-family:inherit;font-weight:600;background:none;border:none;
  color:var(--muted);cursor:pointer;position:relative;transition:.3s;border-radius:10px 10px 0 0;
}
.tabs button:hover{color:var(--blue);}
.tabs button.active{color:var(--blue);}
.tabs button.active::after{
  content:"";position:absolute;left:18px;right:18px;bottom:-1px;height:3px;border-radius:3px;
  background:linear-gradient(90deg,var(--blue),var(--cyan));
}
.tab-panel{display:none;}
.tab-panel.active{display:block;animation:fadeUp .5s ease;}
@keyframes fadeUp{from{opacity:0;transform:translateY(14px);}to{opacity:1;transform:none;}}
.prose h3{font-size:20px;font-weight:700;margin-bottom:14px;}
.prose h4{font-size:16px;font-weight:700;margin:24px 0 10px;}
.prose p{font-size:15px;color:var(--muted);margin-bottom:14px;}
.prose ul li{position:relative;padding-left:20px;font-size:15px;color:var(--muted);margin-bottom:9px;}
.prose ul li::before{
  content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:50%;
  background:linear-gradient(140deg,var(--blue),var(--cyan));
}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:40px;}

/* ===================== 结构图解 ===================== */
.diagram{
  background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:30px;
}
.diagram svg{width:100%;height:auto;}
.legend{display:grid;grid-template-columns:1fr;gap:10px;}
.legend li{display:flex;gap:12px;align-items:flex-start;font-size:14px;}
.legend b{
  flex:none;width:26px;height:26px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--blue),var(--cyan));color:#fff;font-size:12.5px;font-weight:700;
}
.legend span{color:var(--muted);}
.legend strong{color:var(--text);display:block;font-size:14.5px;}

/* ===================== FAQ 折叠 ===================== */
.faq{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--white);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:none;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 26px;background:none;border:none;font-family:inherit;font-size:16px;font-weight:600;
  color:var(--text);text-align:left;cursor:pointer;transition:.25s;
}
.faq-q:hover{color:var(--blue);}
.faq-q i{
  flex:none;width:22px;height:22px;border-radius:50%;position:relative;
  background:rgba(11,99,206,.1);transition:.3s;
}
.faq-q i::before,.faq-q i::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--blue);transition:.3s;
}
.faq-q i::before{width:10px;height:2px;margin:-1px 0 0 -5px;}
.faq-q i::after{width:2px;height:10px;margin:-5px 0 0 -1px;}
.faq-item.open .faq-q{color:var(--blue);}
.faq-item.open .faq-q i{background:var(--blue);transform:rotate(180deg);}
.faq-item.open .faq-q i::before,.faq-item.open .faq-q i::after{background:#fff;}
.faq-item.open .faq-q i::after{transform:scaleY(0);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease;}
.faq-a p{padding:0 26px 22px;font-size:14.5px;color:var(--muted);}

/* ===================== 案例网格 ===================== */
.case-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.case-big{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.4s;display:block;
}
.case-big:hover{transform:translateY(-10px);box-shadow:var(--shadow);border-color:transparent;}
.case-big .cb-img{
  height:200px;position:relative;background:linear-gradient(135deg,var(--c1),var(--c2));
}
.case-big .cb-img::after{
  content:"";position:absolute;inset:0;
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='90'%3E%3Cpath d='M0 45 q30 -24 60 0 t60 0 t60 0 t60 0' fill='none' stroke='rgba(255,255,255,.2)' stroke-width='2'/%3E%3Cpath d='M0 74 q30 -20 60 0 t60 0 t60 0 t60 0' fill='none' stroke='rgba(255,255,255,.12)' stroke-width='2'/%3E%3C/svg%3E") repeat-x bottom;
  background-size:240px 90px;
}
.cb-tag{
  position:absolute;left:16px;top:16px;z-index:2;padding:5px 13px;border-radius:999px;font-size:12px;font-weight:600;
  background:rgba(255,255,255,.24);border:1px solid rgba(255,255,255,.32);color:#fff;backdrop-filter:blur(6px);
}
.cb-body{padding:24px 26px 26px;}
.cb-body h3{font-size:18px;font-weight:700;margin-bottom:10px;}
.cb-body>p{font-size:14px;color:var(--muted);margin-bottom:18px;}
.cb-data{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;border-top:1px dashed var(--line);padding-top:16px;}
.cb-data div{text-align:center;}
.cb-data b{display:block;font-size:17px;color:var(--blue);font-weight:800;}
.cb-data span{font-size:11.5px;color:var(--muted);}

/* ===================== 客户评价 ===================== */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.quote-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:30px 28px;
  position:relative;transition:.4s;
}
.quote-card:hover{transform:translateY(-8px);box-shadow:var(--shadow);}
.quote-mark{
  font-size:56px;line-height:1;font-weight:800;
  background:linear-gradient(140deg,rgba(11,99,206,.2),rgba(47,211,240,.32));
  -webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:6px;
}
.quote-card p{font-size:14.5px;color:var(--muted);margin-bottom:20px;}
.quote-who{display:flex;align-items:center;gap:12px;}
.quote-who i{
  flex:none;width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--blue),var(--cyan));color:#fff;font-weight:700;font-size:15px;
}
.quote-who b{display:block;font-size:14.5px;}
.quote-who span{font-size:12.5px;color:var(--muted);}

/* ===================== 时间轴 ===================== */
.timeline{position:relative;padding-left:34px;}
.timeline::before{
  content:"";position:absolute;left:8px;top:8px;bottom:8px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,var(--cyan),var(--blue),rgba(11,99,206,.15));
}
.tl-item{position:relative;padding-bottom:34px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-34px;top:6px;width:18px;height:18px;border-radius:50%;
  background:#fff;border:3px solid var(--blue);box-shadow:0 0 0 4px rgba(11,99,206,.12);
}
.tl-item:first-child::before{background:var(--cyan);border-color:var(--cyan);box-shadow:0 0 0 5px rgba(47,211,240,.2);}
.tl-year{font-size:22px;font-weight:800;color:var(--blue);line-height:1.2;}
.tl-item h4{font-size:17px;font-weight:700;margin:4px 0 6px;}
.tl-item p{font-size:14.5px;color:var(--muted);}

/* ===================== 资质 / 数据小卡 ===================== */
.mini-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.mini-card{
  background:var(--white);border:1px solid var(--line);border-radius:14px;padding:26px 22px;text-align:center;
  transition:.4s;
}
.mini-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent;}
.mini-card b{display:block;font-size:30px;font-weight:800;color:var(--blue);line-height:1.2;}
.mini-card span{font-size:13.5px;color:var(--muted);}
.mini-card p{font-size:13px;color:var(--muted);margin-top:8px;line-height:1.6;}

.cert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.cert-card{
  background:linear-gradient(150deg,#EAF3FF,#D8E9FF);border:1px solid rgba(11,99,206,.14);
  border-radius:14px;padding:28px 20px;text-align:center;transition:.4s;
}
.cert-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-sm);}
.cert-card svg{margin:0 auto 12px;}
.cert-card b{display:block;font-size:15px;margin-bottom:4px;}
.cert-card span{font-size:12.5px;color:var(--muted);}

/* ===================== 工艺流程 SVG ===================== */
.flowchart{
  background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:36px 28px;
}
.flowchart svg{width:100%;height:auto;}
.fc-note{
  display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:26px;
  border-top:1px dashed var(--line);padding-top:22px;
}
.fc-note div{font-size:13.5px;}
.fc-note b{display:block;font-size:14.5px;color:var(--blue);margin-bottom:3px;}
.fc-note span{color:var(--muted);}

/* ===================== 痛点 - 方案 ===================== */
.ps-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px;}
.ps-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px;transition:.4s;
}
.ps-card:hover{box-shadow:var(--shadow);transform:translateY(-6px);}
.ps-top{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.ps-top i{
  width:32px;height:32px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:15px;
  font-style:normal;font-weight:800;
}
.ps-bad .ps-top i{background:rgba(230,90,90,.12);color:#D9534F;}
.ps-good .ps-top i{background:rgba(20,201,166,.14);color:#0FA98A;}
.ps-card h4{font-size:16px;font-weight:700;margin-bottom:8px;}
.ps-bad p{font-size:14.5px;color:#8A5A5A;}
.ps-good p{font-size:14.5px;color:var(--muted);}
.ps-tag{
  display:inline-block;margin-top:14px;padding:4px 12px;border-radius:6px;font-size:12.5px;font-weight:600;
  background:rgba(11,99,206,.08);color:var(--blue);
}

/* ===================== 新闻 ===================== */
.news-feature{
  display:grid;grid-template-columns:1.1fr .9fr;gap:0;
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  margin-bottom:34px;transition:.4s;
}
.news-feature:hover{box-shadow:var(--shadow);}
.nf-img{
  min-height:300px;background:linear-gradient(135deg,var(--c1),var(--c2));position:relative;
}
.nf-img::after{
  content:"";position:absolute;inset:0;
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='260' height='100'%3E%3Cpath d='M0 50 q32 -26 65 0 t65 0 t65 0 t65 0' fill='none' stroke='rgba(255,255,255,.2)' stroke-width='2'/%3E%3C/svg%3E") repeat-x bottom;
  background-size:260px 100px;
}
.nf-cap{
  position:absolute;left:26px;bottom:22px;z-index:2;color:#fff;font-size:13px;
  padding:7px 16px;border-radius:999px;background:rgba(6,28,58,.32);backdrop-filter:blur(4px);
}
.art-meta{
  display:flex;align-items:center;gap:14px;margin-top:18px;
  font-size:14px;color:rgba(255,255,255,.7);
}
.nf-body{padding:36px 38px;display:flex;flex-direction:column;justify-content:center;}
.nf-label{
  align-self:flex-start;padding:5px 14px;border-radius:999px;font-size:12.5px;font-weight:700;
  background:linear-gradient(100deg,var(--blue),var(--cyan));color:#fff;margin-bottom:16px;
}
.nf-body h3{font-size:24px;font-weight:800;line-height:1.4;margin-bottom:12px;}
.nf-body p{font-size:15px;color:var(--muted);margin-bottom:18px;}
.nf-date{font-size:13px;color:var(--muted);}

.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.news-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  display:flex;flex-direction:column;transition:.4s;
}
.news-card:hover{transform:translateY(-10px);box-shadow:var(--shadow);border-color:transparent;}
.nc-img{height:150px;background:linear-gradient(135deg,var(--c1),var(--c2));position:relative;}
.nc-cat{
  position:absolute;left:14px;top:14px;padding:4px 12px;border-radius:999px;font-size:12px;
  background:rgba(255,255,255,.24);border:1px solid rgba(255,255,255,.3);color:#fff;backdrop-filter:blur(4px);
}
.nc-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1;}
.nc-body h3{font-size:17px;font-weight:700;line-height:1.5;margin-bottom:10px;transition:.3s;}
.news-card:hover .nc-body h3{color:var(--blue);}
.nc-body p{font-size:14px;color:var(--muted);margin-bottom:16px;flex:1;}
.nc-foot{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--muted);}
.nc-foot em{font-style:normal;color:var(--blue);font-weight:600;}

.pager{display:flex;justify-content:center;gap:10px;margin-top:50px;}
.pager-info{
  margin-top:44px;text-align:center;font-size:13.5px;color:var(--muted);
}
.pager a,.pager span{
  width:42px;height:42px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:14.5px;
  border:1px solid var(--line);background:var(--white);transition:.3s;color:var(--text);
}
.pager a:hover{border-color:var(--blue);color:var(--blue);}
.pager .cur{background:linear-gradient(100deg,var(--blue),var(--blue-l));color:#fff;border-color:transparent;}

/* ===================== 联系页 ===================== */
.contact-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:44px;align-items:start;}
.contact-info{display:grid;gap:16px;}
.ci-item{
  display:flex;gap:18px;align-items:flex-start;padding:24px 26px;
  background:var(--white);border:1px solid var(--line);border-radius:16px;transition:.4s;
}
.ci-item:hover{transform:translateX(6px);box-shadow:var(--shadow-sm);border-color:rgba(11,99,206,.3);}
.ci-item i{
  flex:none;width:48px;height:48px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,rgba(11,99,206,.12),rgba(47,211,240,.2));
}
.ci-item b{display:block;font-size:16px;margin-bottom:3px;}
.ci-item span{font-size:14px;color:var(--muted);display:block;}
.ci-item b.big{font-size:20px;color:var(--blue);}
.ci-item b.big a{color:var(--blue);}
.ci-item b.big a:hover{text-decoration:underline;}

/* 公司名片 */
.ci-profile{
  position:relative;overflow:hidden;padding:26px 28px;border-radius:16px;color:#fff;
  background:linear-gradient(135deg,var(--blue) 0%,#1667c9 55%,#1B8FBF 100%);
  box-shadow:0 14px 34px rgba(11,99,206,.22);
}
.ci-profile::after{
  content:"";position:absolute;right:-46px;top:-56px;width:190px;height:190px;border-radius:50%;
  background:rgba(255,255,255,.12);
}
.ci-profile h3{position:relative;font-size:19px;font-weight:800;margin-bottom:14px;line-height:1.4;}
.ci-profile .cp-sub{
  position:relative;display:block;font-size:11.5px;letter-spacing:1.6px;
  color:rgba(255,255,255,.72);margin-bottom:6px;line-height:1.5;
}
.ci-profile p{position:relative;font-size:14px;line-height:2;color:rgba(255,255,255,.94);}
.ci-profile p b{font-weight:700;}
.ci-profile .cp-tag{
  position:relative;display:inline-block;margin-top:16px;padding:6px 15px;border-radius:999px;
  background:rgba(255,255,255,.18);font-size:12.5px;font-weight:600;color:#fff;
}

.form-panel{
  background:var(--white);border:1px solid var(--line);border-radius:22px;padding:36px;box-shadow:var(--shadow-sm);
}
.form-panel h3{font-size:22px;font-weight:800;margin-bottom:6px;}
.form-panel>p{font-size:14.5px;color:var(--muted);margin-bottom:26px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.form-field{margin-bottom:14px;}
.form-field.full{grid-column:span 2;}
.form-field label{display:block;font-size:13.5px;font-weight:600;margin-bottom:7px;}
.form-field input,.form-field select,.form-field textarea{
  width:100%;height:50px;padding:0 16px;border-radius:12px;font-size:14.5px;font-family:inherit;
  border:1px solid var(--line);background:#FAFCFF;color:var(--text);outline:none;transition:.3s;
}
.form-field textarea{height:110px;padding:14px 16px;resize:vertical;line-height:1.7;}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{
  border-color:var(--blue);background:#fff;box-shadow:0 0 0 4px rgba(11,99,206,.1);
}
.form-panel .btn{width:100%;margin-top:8px;}
.form-tip{margin-top:14px;font-size:12.5px;color:var(--muted);text-align:center;}

/* 联系方式一览 */
.info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.info-card{
  display:flex;gap:16px;align-items:flex-start;padding:22px 24px;
  background:var(--white);border:1px solid var(--line);border-radius:14px;transition:.4s;
}
.info-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-sm);border-color:rgba(11,99,206,.3);}
.info-card i{
  flex:none;width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,rgba(11,99,206,.12),rgba(47,211,240,.2));
}
.info-card em{
  display:block;font-style:normal;font-size:12.5px;color:var(--muted);margin-bottom:5px;
}
.info-card b{display:block;font-size:15.5px;font-weight:700;line-height:1.5;word-break:break-all;}
.info-card b a{transition:.25s;}
.info-card b a:hover{color:var(--blue);}
.info-note{margin-top:22px;font-size:13.5px;color:var(--muted);text-align:center;line-height:1.8;}
.info-note b{color:var(--text);font-weight:700;}

/* 网站地图分组 */
.sitemap-group{margin-bottom:42px;}
.sitemap-group:last-child{margin-bottom:0;}
.sitemap-group h3{
  font-size:19px;font-weight:800;margin-bottom:18px;padding-left:14px;
  border-left:4px solid var(--blue);
}
.sitemap-group .branch-card em{font-family:Consolas,Monaco,monospace;letter-spacing:0;}

.branch-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.branch-card{
  background:var(--white);border:1px solid var(--line);border-radius:14px;padding:22px;transition:.4s;
}
.branch-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-sm);border-color:rgba(11,99,206,.3);}
.branch-card b{display:block;font-size:16px;margin-bottom:6px;}
.branch-card span{display:block;font-size:13.5px;color:var(--muted);}
.branch-card em{
  display:inline-block;margin-top:10px;font-style:normal;font-size:12.5px;padding:3px 10px;border-radius:6px;
  background:rgba(20,201,166,.12);color:#0FA98A;font-weight:600;
}

/* ===================== 通用 CTA 条 ===================== */
.cta-band{
  padding:70px 0;background:linear-gradient(100deg,var(--blue) 0%,#1667c9 45%,#1B8FBF 100%);color:#fff;
}
.cta-band-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;}
.cta-band h2{font-size:clamp(22px,2.6vw,32px);font-weight:800;line-height:1.4;}
.cta-band p{font-size:15px;color:rgba(255,255,255,.8);margin-top:8px;}
.cta-band .btn{background:#fff;color:var(--blue);box-shadow:0 12px 30px rgba(0,0,0,.18);}
.cta-band .btn:hover{transform:translateY(-3px);box-shadow:0 18px 36px rgba(0,0,0,.24);}

/* ===================== 响应式 ===================== */
@media (max-width:1080px){
  .hero-inner,.green-inner,.cta-inner{grid-template-columns:1fr;gap:40px;}
  .hero{min-height:auto;padding:120px 0 130px;}
  .hero-visual{max-width:460px;}
  .product-grid,.adv-grid,.case-grid{grid-template-columns:repeat(2,1fr);}
  .app-grid{grid-template-columns:repeat(2,1fr);}
  .app-item.app-lg{grid-column:span 2;}
  .flow-wrap{grid-template-columns:repeat(3,1fr);}
  .flow-step:nth-child(3)::after{display:none;}
  .stats-grid{grid-template-columns:repeat(3,1fr);}
  .stat-item:nth-child(4)::before{display:none;}
  .footer-top{grid-template-columns:1fr;}
  .split{grid-template-columns:1fr;gap:34px;margin-bottom:56px;}
  .split.reverse .split-visual{order:0;}
  .split-visual{min-height:280px;padding:34px;}
  .two-col,.contact-grid,.ps-grid{grid-template-columns:1fr;gap:28px;}
  .mini-grid,.cert-grid,.branch-grid,.info-grid{grid-template-columns:repeat(2,1fr);}
  .quote-grid,.case-grid-3,.news-grid{grid-template-columns:repeat(2,1fr);}
  .news-feature{grid-template-columns:1fr;}
  .nf-img{min-height:210px;}
  .fc-note{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:840px){
  .nav{
    position:fixed;top:0;right:0;bottom:0;width:280px;background:rgba(6,28,58,.98);
    flex-direction:column;padding:100px 32px;gap:22px;transform:translateX(100%);transition:.4s;
    backdrop-filter:blur(10px);z-index:99;
  }
  .nav.open{transform:none;}
  .nav a{color:rgba(255,255,255,.85)!important;font-size:17px;}
  .menu-toggle{display:flex;}
  .nav-actions .btn{display:none;}
  .topbar-right a,.topbar-right .sep{display:none;}
  .hero-title{font-size:32px;}
  .hero-tags{gap:16px;}
  .section{padding:72px 0;}
  .green{padding:72px 0;}
  .product-grid,.adv-grid,.case-grid,.app-grid{grid-template-columns:1fr;}
  .app-item.app-lg{grid-column:span 1;}
  .product-card p{min-height:auto;}
  .flow-wrap{grid-template-columns:1fr 1fr;}
  .flow-step::after{display:none;}
  .cta-form{grid-template-columns:1fr;}
  .cta-form input:nth-child(3),.cta-form .btn,.form-note,.form-fallback{grid-column:span 1;}
  .ft-links{grid-template-columns:repeat(2,1fr);}
  .stat-item b{font-size:30px;}
  .hero-scroll{display:none;}
  .page-hero{padding:120px 0 60px;}
  .mini-grid,.cert-grid,.branch-grid,.quote-grid,.case-grid-3,.news-grid,.info-grid{grid-template-columns:1fr;}
  .fc-note{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .form-field.full{grid-column:span 1;}
  .tabs button{padding:12px 16px;font-size:14.5px;}
  .nf-body{padding:28px;}
  .split-body h2{font-size:23px;}
}
@media (max-width:520px){
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .stat-item+.stat-item::before{display:none;}
  .flow-wrap{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;text-align:center;}
  .fb-links a{margin:0 10px;}
}