/* ==========================================================================
   力强液压 LIQIANG HYDRAULIC — 首页样式
   工业高端风：深钢蓝 + 工程橙
   ========================================================================== */

:root{
  --ink:#050D16;
  --ink-2:#0A1725;
  --steel:#12293D;
  --steel-2:#1B3B55;
  --brand:#0E7BE0;
  --brand-d:#0A5FB0;
  --cyan:#17C2E8;
  --accent:#FF8A1E;
  --accent-d:#E8760A;
  --txt:#E9F0F7;
  --muted:#93A9BD;
  --muted-2:#6B8199;

  --light:#FFFFFF;
  --light-gray:#F3F6F9;
  --ink-txt:#0B1B2B;
  --ink-muted:#5A6E82;
  --line-l:#E3EAF1;
  --line-d:rgba(255,255,255,.10);

  --radius:16px;
  --radius-lg:22px;
  --shadow:0 18px 50px rgba(9,25,42,.10);
  --shadow-d:0 24px 60px rgba(0,0,0,.35);
  --wrap:1240px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font);color:var(--ink-txt);background:#fff;
  line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
ul,ol{list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}
.ic{width:1.05em;height:1.05em;flex:none}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.55em;
  font-weight:700;letter-spacing:.2px;border-radius:999px;border:1px solid transparent;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s,color .25s,border-color .25s;
  white-space:nowrap;cursor:pointer;
}
.btn-sm{padding:9px 18px;font-size:13.5px}
.btn-lg{padding:15px 30px;font-size:15.5px}
.btn-block{width:100%;padding:17px;font-size:16px}
.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent-d));color:#fff;box-shadow:0 10px 26px rgba(255,138,30,.32)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,138,30,.42)}
.btn-ghost{background:rgba(255,255,255,.06);color:#fff;border-color:rgba(255,255,255,.28);backdrop-filter:blur(6px)}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.5);transform:translateY(-2px)}

/* ---------- 头部 ---------- */
.site-header{position:sticky;top:0;z-index:90;background:rgba(5,13,22,.72);backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.07);transition:background .3s,box-shadow .3s}
.site-header.solid{background:rgba(5,13,22,.96);box-shadow:0 8px 30px rgba(0,0,0,.35)}
.header-in{display:flex;align-items:center;justify-content:space-between;height:74px;gap:20px}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{width:44px;height:44px;display:block;flex:none}
.brand-mark svg{width:100%;height:100%;border-radius:11px}
.brand-txt{display:flex;flex-direction:column;line-height:1.15}
.brand-txt b{font-size:19px;color:#fff;letter-spacing:2px}
.brand-txt i{font-style:normal;font-size:9.5px;color:var(--muted-2);letter-spacing:2.2px}
.nav{display:flex;align-items:center;gap:30px}
.nav a{font-size:15px;color:#C6D4E1;position:relative;padding:6px 0;transition:color .22s;white-space:nowrap}
.nav a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:linear-gradient(90deg,var(--cyan),var(--accent));transform:scaleX(0);transform-origin:left;transition:transform .28s var(--ease);border-radius:2px}
.nav a:hover,.nav a.active{color:#fff}
.nav a:hover::after,.nav a.active::after{transform:scaleX(1)}
.header-cta{display:flex;align-items:center;gap:14px}

/* 头部电话（点击拨号） */
.header-phone{display:flex;align-items:center;gap:10px;padding:7px 18px 7px 8px;border-radius:999px;
  background:linear-gradient(135deg,rgba(255,138,30,.16),rgba(255,138,30,.05));
  border:1px solid rgba(255,138,30,.38);
  transition:transform .25s var(--ease),background .25s,border-color .25s,box-shadow .25s}
.header-phone:hover{transform:translateY(-2px);background:linear-gradient(135deg,var(--accent),var(--accent-d));border-color:transparent;box-shadow:0 12px 26px rgba(255,138,30,.4)}
.hp-ic{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent-d));
  display:flex;align-items:center;justify-content:center;color:#fff;flex:none;transition:background .25s}
.hp-ic svg{width:18px;height:18px}
.header-phone:hover .hp-ic{background:rgba(255,255,255,.22)}
.hp-txt{display:flex;flex-direction:column;line-height:1.2}
.hp-txt i{font-style:normal;font-size:10.5px;color:#AFC3D4;letter-spacing:1.2px}
.hp-txt b{font-size:16.5px;color:#fff;letter-spacing:.6px;font-variant-numeric:tabular-nums}
.header-phone:hover .hp-txt i{color:rgba(255,255,255,.88)}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.05);border-radius:12px;flex-direction:column;gap:5px;align-items:center;justify-content:center}
.nav-toggle span{width:19px;height:2px;background:#fff;border-radius:2px;transition:.3s}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- 首屏 ---------- */
.hero{position:relative;min-height:100vh;display:flex;flex-direction:column;justify-content:center;background:var(--ink);overflow:hidden;padding:70px 0 0}
.hero-bg{position:absolute;inset:-6% -4%;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.92}
.hero-veil{position:absolute;inset:0;z-index:1;
  background:
    linear-gradient(90deg,rgba(5,13,22,.97) 0%,rgba(5,13,22,.90) 38%,rgba(5,13,22,.55) 66%,rgba(5,13,22,.35) 100%),
    linear-gradient(180deg,rgba(5,13,22,.75) 0%,transparent 30%,rgba(5,13,22,.9) 100%);
}
.hero-grid{position:absolute;inset:0;z-index:1;opacity:.35;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 80% 70% at 70% 50%,#000 20%,transparent 75%);
}
.hero-in{position:relative;z-index:2;display:grid;grid-template-columns:1.35fr .8fr;gap:56px;align-items:center;padding-bottom:96px;flex:1}

.kicker{display:inline-flex;align-items:center;gap:12px;font-size:12.5px;font-weight:700;letter-spacing:3px;color:#9FB6CA;text-transform:uppercase}
.kicker .kline{width:34px;height:2px;background:linear-gradient(90deg,var(--cyan),var(--accent));border-radius:2px;flex:none}
.kicker.light{color:#9FB6CA}
.kicker.dark{color:var(--brand)}

.hero h1{font-size:clamp(34px,4.2vw,60px);line-height:1.2;color:#fff;font-weight:800;letter-spacing:-.5px;margin:22px 0 22px}
.hero h1 .hl{position:relative;color:var(--accent);white-space:nowrap}
.hero h1 .hl::after{content:"";position:absolute;left:0;right:0;bottom:4px;height:8px;background:rgba(255,138,30,.18);border-radius:4px;z-index:-1}
.hero-sub{color:#B9CAD9;font-size:clamp(15px,1.3vw,17.5px);max-width:620px;line-height:1.85}
.hero-actions{display:flex;gap:16px;margin-top:34px;flex-wrap:wrap}
.hero-badges{display:flex;gap:38px;margin-top:44px;padding-top:30px;border-top:1px solid rgba(255,255,255,.12);flex-wrap:wrap}
.hero-badges li{display:flex;flex-direction:column;gap:3px}
.hero-badges b{color:#fff;font-size:17px;letter-spacing:.5px}
.hero-badges span{color:var(--muted-2);font-size:12.5px}

.hero-card{position:relative;background:linear-gradient(160deg,rgba(255,255,255,.13),rgba(255,255,255,.04));border:1px solid rgba(255,255,255,.18);border-radius:var(--radius-lg);padding:18px 18px 16px;backdrop-filter:blur(14px);box-shadow:var(--shadow-d)}
.hc-img{border-radius:14px;overflow:hidden;background:#fff;aspect-ratio:4/3}
.hc-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.hero-card:hover .hc-img img{transform:scale(1.05)}
.hc-tag{position:absolute;top:-13px;left:26px;background:linear-gradient(135deg,var(--cyan),var(--brand));color:#fff;font-size:12.5px;font-weight:700;padding:6px 14px;border-radius:999px;letter-spacing:.5px;box-shadow:0 8px 20px rgba(14,123,224,.4)}
.hc-foot{display:flex;align-items:center;justify-content:space-between;margin-top:14px;color:#CBD9E6;font-size:13px}
.hc-badge{background:rgba(255,138,30,.16);color:var(--accent);border:1px solid rgba(255,138,30,.3);padding:3px 10px;border-radius:999px;font-size:12px}

.hero-stats{position:relative;z-index:2;background:rgba(8,18,29,.78);border-top:1px solid rgba(255,255,255,.1);backdrop-filter:blur(10px)}
.hero-stats-in{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding-top:26px;padding-bottom:26px}
.stat{display:flex;flex-direction:column;gap:4px;position:relative;padding-left:18px}
.stat::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;border-radius:3px;background:linear-gradient(180deg,var(--cyan),var(--brand))}
.stat b{color:#fff;font-size:clamp(24px,2.4vw,32px);font-weight:800;letter-spacing:-.5px;font-variant-numeric:tabular-nums}
.stat span{color:var(--muted-2);font-size:13px}

/* ---------- 跑马灯 ---------- */
.marquee{background:var(--ink-2);border-top:1px solid rgba(255,255,255,.05);border-bottom:1px solid rgba(255,255,255,.05);overflow:hidden;padding:15px 0}
.marquee-track{display:flex;gap:26px;align-items:center;white-space:nowrap;width:max-content;animation:slide 42s linear infinite}
.marquee-track span{color:#8FA6BA;font-size:14.5px;letter-spacing:1px}
.marquee-track i{color:var(--accent);font-size:9px;font-style:normal;opacity:.7}
@keyframes slide{to{transform:translateX(-50%)}}

/* ---------- 区块通用 ---------- */
.sec{padding:104px 0;position:relative}
.sec-light{background:#fff}
.sec-gray{background:linear-gradient(180deg,#F3F6F9,#EAF0F6)}
.sec-dark{background:var(--ink-2);color:var(--txt)}
.sec-dark-2{background:linear-gradient(160deg,#081422,#0D2438);color:var(--txt)}
.sec-head{max-width:840px;margin-bottom:56px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head.center .kicker{justify-content:center}
.sec-head h2{font-size:clamp(26px,3vw,42px);line-height:1.28;font-weight:800;letter-spacing:-.4px;margin:16px 0 0;color:var(--ink-txt)}
.sec-dark .sec-head h2,.sec-dark-2 .sec-head h2,.sec-cta .sec-head h2{color:#fff}
.sec-sub{margin-top:18px;color:var(--ink-muted);font-size:15.5px;line-height:1.9}
.sec-dark .sec-sub,.sec-dark-2 .sec-sub,.sec-cta .sec-sub{color:#A5B9CC}
.kline-row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap}
.more{display:inline-flex;align-items:center;gap:8px;color:var(--brand);font-weight:700;font-size:14px;transition:gap .25s}
.more:hover{gap:13px}

/* ---------- 核心业务 ---------- */
.biz-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.biz-card{position:relative;background:#fff;border:1px solid var(--line-l);border-radius:var(--radius);padding:34px 26px 28px;overflow:hidden;transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s}
.biz-card::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:linear-gradient(90deg,var(--brand),var(--cyan));transform:scaleX(0);transform-origin:left;transition:transform .4s var(--ease)}
.biz-card:hover{transform:translateY(-8px);box-shadow:var(--shadow);border-color:transparent}
.biz-card:hover::before{transform:scaleX(1)}
.biz-no{position:absolute;right:22px;top:18px;font-size:44px;font-weight:800;color:#EEF3F8;letter-spacing:-2px;line-height:1}
.biz-ic{width:56px;height:56px;border-radius:14px;background:linear-gradient(140deg,#E8F3FD,#DCEEFB);color:var(--brand);display:flex;align-items:center;justify-content:center;margin-bottom:20px}
.biz-ic svg{width:30px;height:30px}
.biz-card h3{font-size:19.5px;font-weight:800;color:var(--ink-txt);margin-bottom:12px}
.biz-card p{color:var(--ink-muted);font-size:14.5px;line-height:1.85;min-height:78px}
.biz-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;padding-top:18px;border-top:1px dashed var(--line-l)}
.biz-tags li{font-size:12.5px;color:var(--steel-2);background:#F1F6FB;border:1px solid #E2EDF7;padding:3px 10px;border-radius:6px}

/* ---------- 产品中心 ---------- */
.prod-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.prod-card{display:block;background:#fff;border:1px solid var(--line-l);border-radius:var(--radius);overflow:hidden;transition:transform .35s var(--ease),box-shadow .35s var(--ease)}
.prod-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.pc-img{aspect-ratio:4/3;overflow:hidden;background:#FBFCFD}
.pc-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.prod-card:hover .pc-img img{transform:scale(1.08)}
.pc-body{padding:16px 18px 18px;border-top:1px solid var(--line-l)}
.pc-body h4{font-size:16px;font-weight:700;color:var(--ink-txt)}
.pc-body p{font-size:13px;color:var(--ink-muted);margin-top:4px}
.prod-card:hover .pc-body h4{color:var(--brand)}

/* ---------- 行业应用 ---------- */
.app-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.app-card{position:relative;border-radius:var(--radius);overflow:hidden;aspect-ratio:3/4;background:#0B1B2B;cursor:pointer}
.app-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease),filter .5s;filter:saturate(.9) brightness(.85)}
.app-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,15,25,.10) 0%,rgba(6,15,25,.55) 55%,rgba(6,15,25,.94) 100%)}
.app-card:hover img{transform:scale(1.09);filter:saturate(1.05) brightness(.95)}
.app-body{position:absolute;left:0;right:0;bottom:0;padding:26px 24px;z-index:2;transition:transform .45s var(--ease)}
.app-body h3{color:#fff;font-size:20px;font-weight:800;margin-bottom:8px}
.app-body p{color:#A9BCCE;font-size:13.5px;line-height:1.7}
.app-card::before{content:"";position:absolute;left:24px;bottom:0;width:0;height:3px;background:var(--accent);z-index:3;transition:width .45s var(--ease)}
.app-card:hover::before{width:52px}

/* ---------- 工厂实力 ---------- */
.factory-top{display:grid;grid-template-columns:1fr 1.05fr;gap:60px;align-items:center}
.factory-top .sec-head{margin-bottom:0}
.check-list{margin-top:26px;display:grid;gap:13px}
.check-list li{position:relative;padding-left:32px;color:#33485C;font-size:14.8px}
.check-list li::before{content:"";position:absolute;left:0;top:6px;width:18px;height:18px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--cyan))}
.check-list li::after{content:"";position:absolute;left:5.5px;top:10px;width:7px;height:4px;border-left:2px solid #fff;border-bottom:2px solid #fff;transform:rotate(-45deg)}
.factory-media{display:grid;gap:16px}
.fm-main{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);aspect-ratio:16/9}
.fm-main img,.fm-sub img{width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease)}
.fm-main:hover img,.fm-sub img:hover{transform:scale(1.05)}
.fm-sub{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.fm-sub img{border-radius:var(--radius);aspect-ratio:4/3;overflow:hidden}
.factory-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:64px;padding-top:44px;border-top:1px solid var(--line-l)}
.fs-item{text-align:center;padding:0 10px;border-right:1px solid var(--line-l)}
.fs-item:last-child{border-right:0}
.fs-item b{display:block;font-size:clamp(28px,3vw,40px);font-weight:800;color:var(--brand);letter-spacing:-1px;font-variant-numeric:tabular-nums}
.fs-item span{color:var(--ink-muted);font-size:13.5px}

/* ---------- 非标定制 ---------- */
.custom-wrap{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.custom-media{position:relative;padding-bottom:68px;padding-right:56px}
.cm-big{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-d);aspect-ratio:4/3}
.cm-big img{width:100%;height:100%;object-fit:cover}
.cm-small{position:absolute;right:0;bottom:0;width:56%;border-radius:var(--radius);overflow:hidden;border:5px solid #0D2438;box-shadow:var(--shadow-d);aspect-ratio:4/3}
.cm-small img{width:100%;height:100%;object-fit:cover}
.cm-badge{position:absolute;left:0;bottom:26px;background:linear-gradient(135deg,var(--accent),var(--accent-d));color:#fff;padding:14px 22px;border-radius:14px;box-shadow:0 16px 34px rgba(255,138,30,.4)}
.cm-badge b{display:block;font-size:18px;font-weight:800;letter-spacing:.5px}
.cm-badge span{font-size:12.5px;opacity:.92}
.custom-copy h2{font-size:clamp(26px,3vw,40px);font-weight:800;color:#fff;line-height:1.3;margin:16px 0 0;letter-spacing:-.4px}
.flow{margin:34px 0 36px;display:grid;gap:2px;counter-reset:f}
.flow li{position:relative;display:flex;flex-direction:column;padding:14px 0 14px 62px;border-bottom:1px solid rgba(255,255,255,.08);counter-increment:f}
.flow li:last-child{border-bottom:0}
.flow li::before{content:counter(f,decimal-leading-zero);position:absolute;left:0;top:15px;width:42px;height:42px;border-radius:12px;background:rgba(23,194,232,.12);border:1px solid rgba(23,194,232,.28);color:var(--cyan);display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:800}
.flow li b{color:#fff;font-size:16px}
.flow li span{color:#8FA6BA;font-size:13.5px}

/* ---------- 品质资质 ---------- */
.honor-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.honor{background:#fff;border:1px solid var(--line-l);border-radius:var(--radius);padding:34px 22px;text-align:center;transition:transform .35s var(--ease),box-shadow .35s var(--ease)}
.honor:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.honor svg{width:48px;height:48px;color:var(--brand);margin:0 auto 16px}
.honor b{display:block;font-size:17.5px;font-weight:800;color:var(--ink-txt)}
.honor span{display:block;color:var(--ink-muted);font-size:13.5px;margin-top:6px}

/* ---------- 联系 ---------- */
.sec-cta{background:linear-gradient(150deg,#07182A,#0C2A44 60%,#0A2136);color:var(--txt);overflow:hidden}
.cta-glow{position:absolute;width:760px;height:760px;right:-220px;top:-260px;border-radius:50%;
  background:radial-gradient(circle,rgba(23,194,232,.22),rgba(14,123,224,.06) 55%,transparent 70%);pointer-events:none}
.cta-wrap{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
.cta-copy h2{font-size:clamp(26px,3vw,40px);font-weight:800;line-height:1.3;color:#fff;margin:16px 0 0;letter-spacing:-.4px}
.cta-info{margin-top:38px;display:grid;gap:20px}
.cta-info li{display:flex;gap:16px;align-items:flex-start}
.cta-info svg{width:22px;height:22px;color:var(--cyan);flex:none;margin-top:4px}
.cta-info b{display:block;color:#fff;font-size:14.5px}
.cta-info span{color:#9CB0C4;font-size:14px}
.cta-info .tel-line{display:block;color:#9CB0C4;font-size:14px;line-height:1.9}
.cta-info .tel-line a{color:#fff;font-weight:700;letter-spacing:.5px;
  border-bottom:1px dashed rgba(255,255,255,.4);transition:color .2s,border-color .2s}
.cta-info .tel-line a:hover{color:var(--accent);border-color:var(--accent)}

.cta-form{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius-lg);padding:32px;backdrop-filter:blur(12px);box-shadow:var(--shadow-d)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;color:#A9BCCE;margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;background:rgba(6,16,26,.5);border:1px solid rgba(255,255,255,.16);border-radius:11px;
  padding:13px 15px;color:#fff;font-size:14.5px;outline:none;transition:border-color .25s,box-shadow .25s,background .25s;
}
.field input::placeholder,.field textarea::placeholder{color:#5E7488}
.field select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2393A9BD' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;background-size:17px}
.field select option{background:#0C2136;color:#fff}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(23,194,232,.16);background:rgba(6,16,26,.72)}
.field textarea{resize:vertical;min-height:104px}
.form-tip{font-size:12.5px;color:#7A90A6;margin-top:14px;text-align:center}
.form-tip.ok{color:#4ADE80}
.form-tip.err{color:#FF8A8A}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#93A6B8}
.footer-in{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:48px;padding:70px 24px 50px}
.f-brand .brand{margin-bottom:20px}
.f-brand p{font-size:14px;line-height:1.9;color:#7E93A8;max-width:400px}
.f-slogan{margin-top:16px;color:var(--accent) !important;font-weight:700;letter-spacing:3px}
.f-col h5{color:#fff;font-size:15px;font-weight:700;margin-bottom:20px;letter-spacing:.5px}
.f-col a,.f-col .f-line{display:block;font-size:14px;color:#8A9EB2;margin-bottom:12px;transition:color .22s,transform .22s}
.f-col a:hover{color:var(--accent);transform:translateX(4px)}
.f-col a.f-tel{display:inline-flex;align-items:center;gap:8px;font-size:15.5px;font-weight:700;color:#fff;
  letter-spacing:.5px;font-variant-numeric:tabular-nums}
.f-col a.f-tel svg{width:15px;height:15px;color:var(--accent);flex:none}
.f-col a.f-tel em{font-style:normal;font-weight:400;font-size:12.5px;color:#8A9EB2}
.f-col a.f-tel:hover{color:var(--accent)}
.f-col a.f-tel:hover em{color:var(--accent)}
.f-col .f-addr{line-height:1.75;margin-top:4px}
.footer-bar{border-top:1px solid rgba(255,255,255,.08)}
.footer-bar-in{display:flex;align-items:center;justify-content:space-between;padding-top:22px;padding-bottom:22px;font-size:13px;color:#67798C;gap:16px;flex-wrap:wrap}
.f-links{display:flex;gap:24px}
.f-links a:hover{color:var(--accent)}

/* ---------- 悬浮 ---------- */
.float-contact{position:fixed;right:22px;bottom:26px;z-index:80;display:flex;flex-direction:column;gap:12px}
.fc-btn{width:52px;height:52px;border-radius:15px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;
  background:rgba(10,23,37,.9);border:1px solid rgba(255,255,255,.16);color:#C6D4E1;backdrop-filter:blur(10px);
  transition:transform .25s var(--ease),background .25s,color .25s,box-shadow .25s;box-shadow:0 10px 26px rgba(0,0,0,.28)}
.fc-btn svg{width:20px;height:20px}
.fc-btn span{font-size:8.5px;letter-spacing:.5px;opacity:.85}
.fc-btn:hover{transform:translateY(-3px);background:linear-gradient(135deg,var(--accent),var(--accent-d));border-color:transparent;color:#fff;box-shadow:0 14px 30px rgba(255,138,30,.42)}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .75s var(--ease),transform .75s var(--ease)}
.reveal.in{opacity:1;transform:none}
.d1{transition-delay:.08s}.d2{transition-delay:.16s}.d3{transition-delay:.24s}.d4{transition-delay:.32s}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .marquee-track{animation:none}
  html{scroll-behavior:auto}
}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .nav{gap:22px}
  .nav a{font-size:14px}
  .biz-grid,.prod-grid,.app-grid,.honor-grid{grid-template-columns:repeat(2,1fr)}
  .biz-card p{min-height:auto}
}
@media (max-width:1024px){
  /* 平板及以下：导航收进汉堡菜单，避免横向溢出 */
  .nav-toggle{display:flex}
  .nav{
    position:absolute;top:100%;left:0;right:0;background:rgba(5,13,22,.98);backdrop-filter:blur(16px);
    flex-direction:column;align-items:stretch;gap:0;padding:10px 24px 24px;border-bottom:1px solid rgba(255,255,255,.1);
    box-shadow:0 26px 50px rgba(0,0,0,.45);
    transform:translateY(-12px);opacity:0;visibility:hidden;transition:.3s var(--ease);
    max-height:calc(100vh - 74px);overflow:auto
  }
  .nav.open{transform:none;opacity:1;visibility:visible}
  .nav a{padding:15px 0;border-bottom:1px solid rgba(255,255,255,.07);font-size:16px}
  .nav a::after{display:none}
}
@media (max-width:980px){
  .hero-in{grid-template-columns:1fr;gap:44px;padding-bottom:64px}
  .hero-card{max-width:420px}
  .factory-top,.custom-wrap,.cta-wrap{grid-template-columns:1fr;gap:44px}
  .custom-media{padding-right:0;padding-bottom:0;display:grid;gap:16px}
  .cm-small{position:static;width:100%;border:0}
  .cm-badge{position:static;display:inline-flex;flex-direction:column;justify-content:center;padding:12px 20px;border-radius:12px}
  .footer-in{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:760px){
  .sec{padding:72px 0}
  .hero{padding-top:50px}
  .hero-stats-in{grid-template-columns:1fr 1fr;gap:22px}
  .stat b{font-size:24px}
  .biz-grid,.prod-grid,.honor-grid{grid-template-columns:1fr}
  .app-grid{grid-template-columns:1fr 1fr;gap:14px}
  .app-card{aspect-ratio:3/4}
  .app-body{padding:18px 16px}
  .app-body h3{font-size:17px}
  .app-body p{display:none}
  .fm-sub{grid-template-columns:1fr 1fr}
  .factory-stats{grid-template-columns:1fr 1fr;gap:26px 12px;margin-top:44px}
  .fs-item{border-right:0}
  .fs-item:nth-child(odd){border-right:1px solid var(--line-l)}
  .form-row{grid-template-columns:1fr}
  .cta-form{padding:24px}
  .footer-in{grid-template-columns:1fr;gap:32px;padding-top:52px}
  .float-contact{right:14px;bottom:16px}
  .fc-btn{width:46px;height:46px}
  .fc-btn span{display:none}
}
@media (max-width:560px){
  .brand-txt i{display:none}
  .brand-txt b{font-size:17px}
  .wrap{padding:0 18px}
  .header-in{height:66px}
  .header-phone{padding:6px 12px 6px 6px;gap:8px}
  .hp-ic{width:30px;height:30px}
  .hp-ic svg{width:15px;height:15px}
  .hp-txt i{display:none}
  .hp-txt b{font-size:14.5px;letter-spacing:.2px}
  .nav-toggle{width:40px;height:40px}
  .cta-info .tel-line{font-size:14.5px}
}

.lang-switch{margin-left:14px;flex:0 0 auto}
.lang-switch a{display:inline-block;padding:6px 10px;border:1px solid rgba(255,255,255,.28);border-radius:999px;font-size:12px;font-weight:700;letter-spacing:.06em;color:#E8F1F9;text-decoration:none;line-height:1}
.lang-switch a:hover{background:rgba(255,255,255,.12)}
@media(max-width:560px){.lang-switch{margin-left:6px}.lang-switch a{padding:5px 8px;font-size:11px}}

.footer-bar-in .f-icp{display:inline-flex;align-items:center;gap:4px;flex-wrap:wrap;color:#8FA6BA;font-size:12.5px}
.footer-bar-in .f-icp a{color:#9FB4C6;text-decoration:none}
.footer-bar-in .f-icp a:hover{color:#fff}
.footer-bar-in .f-icp i{font-style:normal;opacity:.5;margin:0 2px}
@media(max-width:760px){.footer-bar-in{flex-direction:column;gap:8px;text-align:center}.footer-bar-in .f-icp{justify-content:center}}