/* ============================================================
   五方智工 官网设计系统 v1.0  ·  深蓝 #0B2B57 × 橙 #F28C1E
   智能制造 + 先进材料 双轮驱动
   ============================================================ */

:root{
  --navy:#0B2B57;
  --navy-2:#0F3A6E;
  --navy-3:#17508F;
  --navy-4:#2E6DB8;
  --navy-tint:#EDF3FB;
  --navy-tint-2:#DFEAF7;
  --orange:#F28C1E;
  --orange-deep:#D97B10;
  --orange-tint:#FEF2E1;
  --ink:#1E3350;
  --ink-2:#51627C;
  --ink-3:#8CA0B9;
  --line:#E1E8F1;
  --bg:#F5F8FC;
  --bg-deep:#EDF2F9;
  --white:#fff;
  --g-hero:linear-gradient(135deg,#0A2348 0%,#0F3A6E 55%,#12477F 100%);
  --g-band:linear-gradient(120deg,#0B2B57,#13457F 60%,#0F3566);
  --g-cta:linear-gradient(90deg,#F28C1E,#F6A335);
  --shadow-sm:0 2px 10px rgba(11,43,87,.06);
  --shadow-md:0 10px 30px rgba(11,43,87,.10);
  --shadow-lg:0 24px 60px rgba(11,43,87,.16);
  --r-lg:18px; --r-md:12px; --r-sm:8px;
  --container:1200px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:"HarmonyOS Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  color:var(--ink);
  background:var(--white);
  font-size:16px;line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer;border:0;background:none}
input,select,textarea{font-family:inherit;font-size:inherit}
::selection{background:var(--orange);color:#fff}

.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums}
.skip-link{position:absolute;left:-999px;top:0;background:var(--navy);color:#fff;padding:8px 14px;z-index:99}
.skip-link:focus{left:8px;top:8px}

/* ---------- 通用块 ---------- */
.section{padding:92px 0}
.section.tight{padding:64px 0}
.section.bg{background:var(--bg)}
.section.bg-deep{background:var(--bg-deep)}
.section.navy{background:var(--g-band);color:#fff}

.sec-head{margin-bottom:46px}
.sec-head .eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  color:var(--orange);font-weight:700;font-size:13px;letter-spacing:.35em;
  text-transform:uppercase;margin-bottom:14px;
}
.sec-head .eyebrow::before{content:"";width:26px;height:2px;background:var(--orange)}
.sec-head.center .eyebrow::after{content:"";width:26px;height:2px;background:var(--orange)}
.sec-head.center{text-align:center}
.sec-head.center .eyebrow{justify-content:center}
.sec-head h2{font-size:clamp(26px,3vw,38px);line-height:1.25;font-weight:800;color:var(--navy);letter-spacing:.01em}
.sec-head p.sub{margin-top:12px;color:var(--ink-2);font-size:16px;max-width:760px}
.sec-head.center p.sub{margin-inline:auto}
.section.navy .sec-head h2{color:#fff}
.section.navy .sec-head p.sub{color:#B9CCE5}

.more-link{display:inline-flex;align-items:center;gap:8px;color:var(--navy-3);font-weight:700;font-size:15px;transition:color .2s}
.more-link svg{width:16px;height:16px;transition:transform .25s var(--ease)}
.more-link:hover{color:var(--orange)}
.more-link:hover svg{transform:translateX(5px)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:13px 30px;border-radius:999px;font-weight:700;font-size:16px;
  transition:all .25s var(--ease);white-space:nowrap;line-height:1.2;
}
.btn svg{width:17px;height:17px}
.btn-primary{background:var(--g-cta);color:#fff;box-shadow:0 10px 22px rgba(242,140,30,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(242,140,30,.45)}
.btn-ghost{border:1.5px solid rgba(255,255,255,.55);color:#fff;background:rgba(255,255,255,.06)}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.14)}
.btn-navy{background:var(--navy);color:#fff;box-shadow:0 10px 22px rgba(11,43,87,.25)}
.btn-navy:hover{background:var(--navy-2);transform:translateY(-2px)}
.btn-line{border:1.5px solid var(--navy-4);color:var(--navy-3)}
.btn-line:hover{background:var(--navy);border-color:var(--navy);color:#fff}
.btn-sm{padding:9px 22px;font-size:14.5px}
.btn-block{width:100%}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--navy);color:#C6D5E8;font-size:13px}
.topbar .container{display:flex;align-items:center;justify-content:space-between;height:38px;gap:16px}
.topbar a:hover{color:#fff}
.topbar .tb-left{display:flex;gap:24px;align-items:center;white-space:nowrap;overflow:hidden}
.topbar .tb-left span{display:inline-flex;align-items:center;gap:7px}
.topbar svg{width:14px;height:14px;stroke:var(--orange);fill:none}
.topbar .tb-right{display:flex;gap:18px;align-items:center;white-space:nowrap}
.topbar .tb-right b{color:var(--orange);font-weight:600}

/* ---------- 头部导航 ---------- */
.site-head{position:sticky;top:0;z-index:60;background:#fff;box-shadow:0 1px 0 var(--line),0 6px 20px rgba(11,43,87,.05)}
.nav-bar{display:flex;align-items:center;height:76px;gap:26px}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand-mark{flex:0 0 auto}
.brand-name{display:flex;flex-direction:column;line-height:1.15}
.brand-name b{font-size:22px;font-weight:800;color:var(--navy);letter-spacing:.06em}
.brand-name span{font-size:9px;letter-spacing:.28em;color:var(--ink-3);font-weight:600;margin-top:3px;text-transform:uppercase}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.main-nav>a,.drop>button{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  padding:10px 15px;font-size:15.5px;font-weight:600;color:var(--ink);
  transition:color .2s;
}
.main-nav>a::after,.drop>button::after{
  content:"";position:absolute;left:15px;right:15px;bottom:2px;height:2.5px;border-radius:2px;
  background:var(--orange);transform:scaleX(0);transform-origin:left;transition:transform .25s var(--ease);
}
.main-nav>a:hover,.main-nav>a.active,.drop>button:hover,.drop.open>button{color:var(--navy-3)}
.main-nav>a:hover::after,.main-nav>a.active::after,.drop.open>button::after{transform:scaleX(1)}
.main-nav .caret{width:11px;height:11px;transition:transform .25s var(--ease)}
.drop.open .caret{transform:rotate(180deg)}
.nav-cta{display:flex;align-items:center;gap:14px}
.lang-switch{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--ink-2);font-weight:600}
.lang-switch a{color:var(--ink-3)}
.lang-switch a:hover{color:var(--orange)}

/* 下拉面板 */
.drop{position:relative}
.drop-menu{
  position:absolute;top:calc(100% + 12px);left:50%;transform:translateX(-50%) translateY(8px);
  background:#fff;border-radius:var(--r-md);box-shadow:var(--shadow-lg);border:1px solid var(--line);
  min-width:248px;padding:10px;opacity:0;visibility:hidden;transition:.25s var(--ease);z-index:70;
}
.drop-menu::before{content:"";position:absolute;top:-12px;left:0;right:0;height:12px}
.drop:hover .drop-menu,.drop.open .drop-menu,.drop:focus-within .drop-menu{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.drop-menu a{
  display:flex;flex-direction:column;gap:2px;padding:11px 16px;border-radius:9px;
  transition:background .2s;
}
.drop-menu a b{font-size:15px;color:var(--ink);font-weight:700}
.drop-menu a small{font-size:12px;color:var(--ink-3)}
.drop-menu a:hover{background:var(--navy-tint)}
.drop-menu a:hover b{color:var(--navy-3)}

/* 移动端 */
.nav-burger{display:none;width:42px;height:42px;border-radius:10px;align-items:center;justify-content:center;color:var(--navy)}
.nav-burger svg{width:24px;height:24px}
.i-close{display:none}
.mobile-panel{display:none}
@media(max-width:1024px){
  .main-nav,.nav-cta .btn,.tb-left{display:none}
  .nav-burger{display:inline-flex}
  .nav-bar{height:66px;gap:10px}
  .mobile-panel{
    display:block;position:fixed;inset:0;z-index:55;background:rgba(8,24,48,.5);
    opacity:0;visibility:hidden;transition:.25s;
  }
  .mobile-panel .mp-inner{
    background:#fff;width:min(88vw,380px);margin-left:auto;height:100%;overflow:auto;
    padding:24px;transform:translateX(20px);transition:transform .3s var(--ease);
  }
  .mobile-panel.open{opacity:1;visibility:visible}
  .mobile-panel.open .mp-inner{transform:none}
  .mp-inner .mp-title{font-size:15px;font-weight:800;color:var(--navy);padding-bottom:14px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}
  .mp-inner .mp-group{margin-top:18px}
  .mp-inner .mp-group>h4{font-size:13px;color:var(--ink-3);font-weight:700;letter-spacing:.2em;margin-bottom:8px}
  .mp-inner a.mp-link{display:block;padding:11px 6px;font-size:16.5px;font-weight:600;color:var(--ink);border-radius:8px}
  .mp-inner a.mp-link:hover{color:var(--orange)}
  .mp-inner .mp-btn{margin-top:22px}
  body.lock{overflow:hidden}
}
body.mobile-open .site-head{box-shadow:none}

/* ---------- 首页 Hero ---------- */
.hero{position:relative;background:var(--g-hero);color:#fff;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(900px 460px at 88% -10%,rgba(242,140,30,.16),transparent 60%),
    radial-gradient(700px 500px at -10% 110%,rgba(46,109,184,.25),transparent 60%);
  pointer-events:none;
}
.hero .deco-grid{
  position:absolute;inset:0;pointer-events:none;opacity:.5;
  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:56px 56px;
  -webkit-mask-image:radial-gradient(75% 80% at 70% 20%,#000,transparent 80%);
  mask-image:radial-gradient(75% 80% at 70% 20%,#000,transparent 80%);
}
.hero .container{position:relative;display:grid;grid-template-columns:minmax(0,1.04fr) minmax(0,.96fr);gap:64px;align-items:center;padding-top:78px;padding-bottom:92px}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:10px;border:1px solid rgba(255,255,255,.25);
  border-radius:999px;padding:7px 18px;font-size:13.5px;color:#D9E6F7;background:rgba(255,255,255,.05);
  margin-bottom:26px;
}
.hero-eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--orange);box-shadow:0 0 0 4px rgba(242,140,30,.25)}
.hero h1{font-size:clamp(34px,4.6vw,58px);line-height:1.14;font-weight:900;letter-spacing:.01em}
.hero h1 .grad{background:linear-gradient(90deg,#fff,#F8C98A 92%);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lede{margin:24px 0 8px;font-size:17.5px;color:#C9DAEF;max-width:560px}
.hero .ticks{display:flex;flex-wrap:wrap;gap:10px 26px;margin:22px 0 34px}
.hero .ticks li{display:flex;align-items:center;gap:8px;font-size:14.5px;color:#D6E3F5}
.hero .ticks svg{width:16px;height:16px;stroke:var(--orange);fill:none;flex:0 0 auto}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap}
.hero-note{display:flex;align-items:center;gap:10px;margin-top:30px;font-size:13px;color:#9DB6D4}
.hero-note svg{width:16px;height:16px;stroke:var(--orange);fill:none}
.hero-media{position:relative}
.hero-media .frame{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid rgba(255,255,255,.22);
  box-shadow:0 40px 80px rgba(4,16,38,.45);
  transform:rotate(1.2deg);
}
.hero-media .frame::after{content:"";position:absolute;inset:0;background:linear-gradient(200deg,rgba(11,43,87,0) 55%,rgba(10,30,60,.45))}
.hero-media .frame img{width:100%;height:460px;object-fit:cover}
.hero-chip{
  position:absolute;z-index:2;display:flex;align-items:center;gap:12px;
  background:rgba(255,255,255,.96);color:var(--navy);border-radius:14px;padding:14px 20px;
  box-shadow:var(--shadow-lg);
}
.hero-chip .v{font-size:24px;font-weight:900;line-height:1}
.hero-chip .v small{font-size:12px;font-weight:800;color:var(--orange);margin-left:1px}
.hero-chip .k{font-size:12.5px;color:var(--ink-2);margin-top:4px}
.hero-chip.c1{top:-26px;right:-14px}
.hero-chip.c2{bottom:-24px;left:-16px}
.hero-chip .ic{width:44px;height:44px;border-radius:12px;background:var(--orange-tint);display:flex;align-items:center;justify-content:center}
.hero-chip .ic svg{width:24px;height:24px;stroke:var(--orange);fill:none}
.hero-badges{position:absolute;bottom:14px;left:18px;display:flex;gap:8px;z-index:2}
.hero-badges span{
  background:rgba(7,26,54,.72);backdrop-filter:blur(4px);color:#D9E6F7;font-size:12px;
  border:1px solid rgba(255,255,255,.2);border-radius:999px;padding:4px 12px;
}
@media(max-width:1024px){
  .hero .container{grid-template-columns:1fr;gap:54px;padding-top:58px;padding-bottom:96px}
  .hero-chip.c1{top:-18px;right:6px}
  .hero-media .frame img{height:auto;max-height:420px}
}

/* ---------- 数据带 ---------- */
.stat-band{margin-top:-46px;position:relative;z-index:5}
.stat-grid{
  display:grid;grid-template-columns:repeat(5,1fr);gap:0;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-md);overflow:hidden;
}
.stat-cell{padding:28px 20px;position:relative}
.stat-cell+.stat-cell{border-left:1px solid var(--line)}
.stat-cell .v{font-size:clamp(28px,3vw,38px);font-weight:900;color:var(--navy);line-height:1.1}
.stat-cell .v small{font-size:15px;color:var(--orange);font-weight:800}
.stat-cell .k{font-size:13.5px;color:var(--ink-2);margin-top:8px;line-height:1.5}
.stat-cell .d{font-size:12px;color:var(--ink-3);margin-top:2px}
@media(max-width:1024px){
  .stat-band{margin-top:0;padding:0 24px;position:static}
  .stat-band .container{padding:0}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .stat-cell+.stat-cell{border-left:0}
  .stat-cell:nth-child(even){border-left:1px solid var(--line)!important}
  .stat-cell:nth-child(n+3){border-top:1px solid var(--line)}
}
@media(max-width:640px){.stat-band{margin-top:-30px}.stat-band .container{padding:0 16px}}

/* ---------- 双业务板块卡片 ---------- */
.biz-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.biz-card{
  position:relative;border-radius:var(--r-lg);overflow:hidden;min-height:420px;display:flex;flex-direction:column;
  justify-content:flex-end;padding:36px;color:#fff;isolation:isolate;
  transition:transform .35s var(--ease),box-shadow .35s;
}
.biz-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.biz-card::after{content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(190deg,rgba(10,30,60,0) 30%,rgba(7,22,45,.88) 82%)}
.biz-card img.bg{position:absolute;inset:0;z-index:-2;width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease)}
.biz-card:hover img.bg{transform:scale(1.05)}
.biz-card .bc-tag{align-self:flex-start;font-size:12.5px;letter-spacing:.22em;font-weight:700;color:#FFD9A6;display:flex;align-items:center;gap:8px}
.biz-card .bc-tag::before{content:"";width:22px;height:2px;background:var(--orange)}
.biz-card h3{font-size:clamp(24px,2.6vw,34px);font-weight:900;margin-top:16px;line-height:1.3}
.biz-card .en{font-size:11px;letter-spacing:.3em;color:#9DB6D4;margin-top:6px;text-transform:uppercase}
.biz-card p.desc{margin-top:14px;font-size:15px;color:#CBD9EC;max-width:480px}
.biz-card .bc-foot{display:flex;align-items:center;justify-content:space-between;margin-top:26px}
.biz-card .bc-list{display:flex;flex-wrap:wrap;gap:8px}
.biz-card .bc-list li{font-size:12.5px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);padding:5px 12px;border-radius:999px;color:#E6EEF8}
.biz-card .bc-arrow{width:48px;height:48px;border-radius:50%;background:var(--orange);display:flex;align-items:center;justify-content:center;transition:transform .3s var(--ease)}
.biz-card .bc-arrow svg{width:19px;height:19px;stroke:#fff;fill:none}
.biz-card:hover .bc-arrow{transform:rotate(-45deg)}
.biz-card.orange .bc-arrow{background:var(--navy)}
@media(max-width:900px){.biz-grid{grid-template-columns:1fr}.biz-card{min-height:340px}}

/* ---------- 产品亮项（首页 2 款主设备） ---------- */
.feature-rows{display:grid;gap:34px}
.feature-row{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:52px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:38px 44px;transition:box-shadow .3s,transform .3s var(--ease);
}
.feature-row:hover{box-shadow:var(--shadow-md)}
.feature-row.flip .media{order:2}
.fr-media{position:relative;border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow-sm)}
.fr-media img{width:100%;height:330px;object-fit:cover;transition:transform .6s var(--ease)}
.feature-row:hover .fr-media img{transform:scale(1.04)}
.fr-media .tag{
  position:absolute;top:16px;left:16px;background:rgba(11,43,87,.85);color:#fff;font-size:12.5px;
  padding:6px 14px;border-radius:999px;letter-spacing:.1em;backdrop-filter:blur(3px);
}
.fr-copy .fr-kicker{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--orange);font-weight:700;letter-spacing:.18em}
.fr-copy .fr-kicker::after{content:"";flex:1;height:1px;background:var(--line)}
.fr-copy h3{font-size:clamp(23px,2.5vw,31px);font-weight:900;color:var(--navy);margin:12px 0 6px}
.fr-copy h4{font-size:16.5px;color:var(--ink-2);font-weight:600;margin-bottom:14px}
.fr-desc{font-size:15px;color:var(--ink-2)}
.fr-specs{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:22px 0 26px}
.fr-spec{background:var(--bg);border:1px solid var(--line);border-radius:var(--r-md);padding:14px 16px}
.fr-spec .v{font-size:22px;font-weight:900;color:var(--navy);line-height:1.15}
.fr-spec .v small{font-size:13px;color:var(--orange);font-weight:800}
.fr-spec .k{font-size:12.5px;color:var(--ink-2);margin-top:4px}
.fr-actions{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
@media(max-width:960px){
  .feature-row,.feature-row.flip{grid-template-columns:1fr;padding:28px 24px;gap:26px}
  .feature-row.flip .media{order:0}
  .fr-media img{height:240px}
}
@media(max-width:560px){.fr-specs{grid-template-columns:1fr}}

/* ---------- 产品优势图标组 ---------- */
.adv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.adv-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:26px 22px;transition:all .3s var(--ease)}
.adv-item:hover{border-color:transparent;box-shadow:var(--shadow-md);transform:translateY(-4px)}
.adv-item .ai{width:52px;height:52px;border-radius:14px;background:var(--navy-tint);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.adv-item .ai svg{width:26px;height:26px;stroke:var(--navy-3);fill:none}
.adv-item h4{font-size:17.5px;color:var(--navy);font-weight:800;margin-bottom:8px}
.adv-item p{font-size:13.5px;color:var(--ink-2);line-height:1.7}
@media(max-width:1024px){.adv-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.adv-grid{grid-template-columns:1fr 1fr;gap:12px}.adv-item{padding:18px 14px}}

/* ---------- 工位流程横条 ---------- */
.flow-stage{margin-top:14px}
.flow-group-title{
  display:flex;align-items:center;gap:14px;margin:34px 0 18px;
  font-size:19px;font-weight:800;color:var(--navy);
}
.flow-group-title .n{width:34px;height:34px;border-radius:10px;background:var(--orange);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:16px;font-weight:900;flex:0 0 auto}
.flow-track{display:flex;gap:16px;overflow-x:auto;padding:6px 2px 16px;scroll-snap-type:x proximity;scrollbar-width:thin;scrollbar-color:var(--navy-tint-2) transparent}
.flow-card{flex:0 0 252px;scroll-snap-align:start;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:all .25s var(--ease)}
.flow-card:hover{box-shadow:var(--shadow-md);transform:translateY(-4px)}
.flow-card .ph{position:relative;height:150px;overflow:hidden}
.flow-card .ph img{width:100%;height:100%;object-fit:cover}
.flow-card .ph .idx{
  position:absolute;top:10px;left:10px;background:rgba(11,43,87,.9);color:#fff;
  font-size:12px;font-weight:800;padding:3px 10px;border-radius:999px;letter-spacing:.06em;
}
.flow-card .body{padding:16px 16px 18px}
.flow-card .body h4{font-size:15.5px;font-weight:800;color:var(--navy);display:flex;align-items:center;gap:8px}
.flow-card .body h4 .dot{width:6px;height:6px;border-radius:50%;background:var(--orange);flex:0 0 auto}
.flow-card .body p{font-size:12.5px;color:var(--ink-2);margin-top:7px;line-height:1.65}
.flow-card .body .code{font-size:10.5px;color:var(--ink-3);letter-spacing:.15em;margin-bottom:5px}

/* ---------- 视频卡 ---------- */
.video-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.video-card{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-sm);cursor:pointer;aspect-ratio:16/9.4}
.video-card img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.video-card:hover img{transform:scale(1.05)}
.video-card .vc-mask{position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(7,22,45,.78))}
.video-card .play{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:74px;height:74px;border-radius:50%;background:rgba(242,140,30,.95);display:flex;align-items:center;justify-content:center;box-shadow:0 0 0 12px rgba(255,255,255,.16);transition:transform .3s var(--ease)}
.video-card .play svg{width:26px;height:26px;fill:#fff;margin-left:3px}
.video-card:hover .play{transform:translate(-50%,-50%) scale(1.12)}
.video-card .vc-label{position:absolute;left:22px;right:22px;bottom:16px;color:#fff;font-size:15px;font-weight:700;display:flex;align-items:center;gap:10px}
.video-card .vc-label .l{font-size:11px;color:#FBC389;letter-spacing:.2em;font-weight:700;flex:0 0 auto}
.video-card video{display:none;width:100%;height:100%}
.video-card.playing .vc-mask,.video-card.playing .play,.video-card.playing .vc-label{display:none}
.video-card.playing video{display:block}
@media(max-width:860px){.video-grid{grid-template-columns:1fr}}

/* ---------- 数据/数值场景行（中页） ---------- */
.pain-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.pain-card{border-radius:var(--r-md);padding:22px 20px;border:1px solid var(--line);background:#fff;transition:.3s}
.pain-card:hover{border-color:var(--orange);box-shadow:var(--shadow-md)}
.pain-card .t{font-size:13px;color:var(--ink-2);font-weight:600}
.pain-card .v{font-size:26px;font-weight:900;color:var(--navy);margin-top:8px;line-height:1.2}
.pain-card .v small{font-size:14px;color:var(--orange)}
.pain-card .d{font-size:12px;color:var(--ink-3);margin-top:6px}
.pain-card.bad .v{color:#B4541F}
@media(max-width:1024px){.pain-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.pain-grid{grid-template-columns:1fr}}

/* ---------- 表格 ---------- */
.table-wrap{overflow-x:auto;border-radius:var(--r-md);border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-sm)}
table.spec{width:100%;border-collapse:collapse;min-width:640px;font-size:14.5px}
table.spec th,table.spec td{padding:14px 20px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
table.spec thead th{background:var(--navy);color:#fff;font-weight:700;white-space:nowrap}
table.spec thead th small{display:block;font-weight:400;font-size:11px;color:#B9CCE5;margin-top:2px}
table.spec tbody tr:nth-child(even){background:#F7FAFD}
table.spec tbody tr:last-child td{border-bottom:0}
table.spec td.param{color:var(--ink-3);font-weight:600;width:180px;background:#FBFCFE}
table.spec td.hl{font-weight:800;color:var(--navy)}
table.spec .o{color:var(--orange);font-weight:800}
table.spec caption{text-align:left;padding:12px 18px;font-size:12.5px;color:var(--ink-3);caption-side:bottom}
.note-line{font-size:13px;color:var(--ink-3);margin-top:12px}
.note-line b{color:var(--orange);font-weight:700}

/* 对比表 */
table.cmp{width:100%;border-collapse:collapse;font-size:14.5px;min-width:620px}
table.cmp th,table.cmp td{padding:15px 20px;border:1px solid var(--line);vertical-align:middle}
table.cmp thead th{font-weight:800}
table.cmp thead th.manual{background:#F4EFE6;color:#8a6a3b}
table.cmp thead th.auto{background:var(--navy);color:#fff}
table.cmp td.param{background:#F7FAFD;color:var(--ink-3);font-weight:600;width:150px}
table.cmp td.manual{background:#FBF7EF;color:#7d6a52}
table.cmp td.auto{background:var(--navy-tint);color:var(--navy);font-weight:600}
table.cmp td .tick{color:#2E9E5B;font-weight:900}
table.cmp td .cross{color:#C0392B;font-weight:900}

/* ---------- 通用文本/卡片布局 ---------- */
.prose{font-size:15.5px;color:var(--ink-2);line-height:1.9}
.prose h3{font-size:20px;color:var(--navy);margin:30px 0 12px;font-weight:800}
.prose p{margin-bottom:14px}
.prose ul{margin:6px 0 16px}
.prose li{padding-left:26px;position:relative;margin-bottom:8px}
.prose li::before{content:"";position:absolute;left:6px;top:.72em;width:7px;height:7px;border-radius:2px;background:var(--orange);transform:rotate(45deg)}
.prose strong{color:var(--navy)}

.img-frame{border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow-md)}
.img-frame img{width:100%;height:100%;object-fit:cover}
.caption{font-size:12.5px;color:var(--ink-3);text-align:center;margin-top:10px}

/* ---------- 深色 band CTA ---------- */
.cta-band{background:var(--g-band);color:#fff;position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;background:radial-gradient(700px 300px at 90% 0%,rgba(242,140,30,.2),transparent 65%)}
.cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:34px;padding:64px 0;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(24px,3vw,36px);font-weight:900;line-height:1.3}
.cta-inner p{color:#BFD1E8;margin-top:10px;max-width:640px}
.cta-actions{display:flex;align-items:center;gap:34px;flex-wrap:wrap}
.cta-phone .p-label{font-size:12.5px;color:#9DB6D4;letter-spacing:.3em}
.cta-phone .p-num{display:block;font-size:clamp(24px,2.6vw,34px);font-weight:900;color:#FFC97E;letter-spacing:.02em}
.cta-phone .p-num:hover{color:#fff}

/* ---------- 板块内页 hero ---------- */
.page-hero{background:var(--g-hero);color:#fff;position:relative;overflow:hidden;padding:66px 0 60px}
.page-hero .ph-bg{position:absolute;inset:0;opacity:.16}
.page-hero .ph-bg img{width:100%;height:100%;object-fit:cover}
.page-hero::after{content:"";position:absolute;inset:0;background:radial-gradient(720px 320px at 85% 0%,rgba(242,140,30,.14),transparent 60%)}
.page-hero .container{position:relative}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:#9DB6D4;margin-bottom:18px;flex-wrap:wrap}
.crumb a:hover{color:#fff}
.crumb svg{width:12px;height:12px;stroke:#5E7BA3;fill:none}
.page-hero h1{font-size:clamp(28px,3.6vw,44px);font-weight:900;line-height:1.25}
.page-hero .en-tag{font-size:12px;letter-spacing:.4em;color:var(--orange);font-weight:700;margin-top:12px;text-transform:uppercase}
.page-hero .lead{margin-top:14px;font-size:16px;color:#C4D6EC;max-width:780px}

/* ---------- 标签/胶囊 ---------- */
.pills{display:flex;flex-wrap:wrap;gap:10px}
.pill{font-size:13.5px;padding:8px 18px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--ink-2);transition:.2s;cursor:pointer}
.pill:hover{border-color:var(--orange);color:var(--orange-deep)}
.pill.on{background:var(--navy);border-color:var(--navy);color:#fff}
.tag{display:inline-block;font-size:12px;padding:3px 12px;border-radius:999px;background:var(--orange-tint);color:var(--orange-deep);font-weight:700}

/* ---------- 新闻 ---------- */
.news-list{display:grid;gap:16px}
.news-row{
  display:grid;grid-template-columns:108px minmax(0,1fr) auto;gap:22px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:20px 26px;
  transition:.25s var(--ease);
}
.news-row:hover{border-color:transparent;box-shadow:var(--shadow-md);transform:translateY(-2px)}
.news-row .ndate{text-align:center;padding-right:22px;border-right:1px solid var(--line)}
.news-row .ndate b{display:block;font-size:27px;font-weight:900;color:var(--navy);line-height:1.1}
.news-row .ndate span{font-size:12px;color:var(--ink-3)}
.news-row .nmain h4{font-size:17.5px;font-weight:700;color:var(--ink);transition:.2s}
.news-row:hover .nmain h4{color:var(--navy-3)}
.news-row .nmain p{font-size:13.5px;color:var(--ink-2);margin-top:6px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.news-row .narrow{display:flex;align-items:center;color:var(--ink-3)}
.news-row .narrow svg{width:18px;height:18px;stroke:currentColor;fill:none;transition:.2s}
.news-row:hover .narrow{color:var(--orange)}
@media(max-width:760px){.news-row{grid-template-columns:1fr;padding:18px}.news-row .ndate{display:flex;align-items:baseline;gap:8px;padding:0 0 10px;border-right:0;border-bottom:1px solid var(--line);text-align:left}.news-row .narrow{display:none}}

.news-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:.28s var(--ease);display:flex;flex-direction:column}
.news-card:hover{box-shadow:var(--shadow-md);transform:translateY(-5px)}
.news-card .nc-ph{height:168px;overflow:hidden;position:relative}
.news-card .nc-ph img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.news-card:hover .nc-ph img{transform:scale(1.07)}
.news-card .nc-ph .tag{position:absolute;top:12px;left:12px}
.news-card .nc-body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1}
.news-card .nc-meta{font-size:12.5px;color:var(--ink-3);margin-bottom:8px}
.news-card h4{font-size:16.5px;font-weight:700;color:var(--ink);line-height:1.5}
.news-card:hover h4{color:var(--navy-3)}
.news-card .nc-foot{margin-top:auto;padding-top:16px}
@media(max-width:960px){.news-cards{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.news-cards{grid-template-columns:1fr}}

/* ---------- 文章 ---------- */
.article{max-width:860px;margin:0 auto}
.article .a-head{text-align:center;margin-bottom:44px}
.article .a-head .tag{position:static}
.article .a-head h1{font-size:clamp(24px,3.2vw,38px);font-weight:900;color:var(--navy);line-height:1.35;margin:18px 0 12px}
.article .a-meta{display:flex;justify-content:center;gap:22px;color:var(--ink-3);font-size:14px;flex-wrap:wrap}
.a-feature{border-radius:var(--r-lg);overflow:hidden;margin:6px 0 30px;box-shadow:var(--shadow-md)}
.a-feature img{width:100%;max-height:480px;object-fit:cover}
.article .prose{font-size:16px}
.article .prose h3{border-left:4px solid var(--orange);padding-left:14px;line-height:1.4}
.a-nav{display:flex;justify-content:space-between;gap:20px;margin-top:52px;padding-top:26px;border-top:1px solid var(--line);font-size:14px}
.a-nav a{color:var(--navy-3);font-weight:600}
.a-nav a:hover{color:var(--orange)}

/* ---------- FAQ ---------- */
.faq{max-width:860px;margin:0 auto}
.faq-item{border:1px solid var(--line);border-radius:var(--r-md);background:#fff;margin-bottom:12px;overflow:hidden;transition:border-color .2s}
.faq-item.open{border-color:var(--orange)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;text-align:left;padding:19px 24px;font-size:16px;font-weight:700;color:var(--ink)}
.faq-q .fq-ic{width:28px;height:28px;flex:0 0 auto;border-radius:50%;background:var(--navy-tint);display:flex;align-items:center;justify-content:center;color:var(--navy-3);transition:all .3s var(--ease)}
.faq-q .fq-ic svg{width:14px;height:14px;stroke:currentColor;fill:none}
.faq-item.open .fq-ic{background:var(--orange);color:#fff;transform:rotate(135deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s var(--ease)}
.faq-a .in{padding:2px 24px 22px;font-size:14.5px;color:var(--ink-2);line-height:1.85}

/* ---------- 表单 ---------- */
.form-shell{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:start}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:36px;box-shadow:var(--shadow-md)}
.form-card h3{font-size:22px;font-weight:900;color:var(--navy);margin-bottom:6px}
.form-card .fc-sub{font-size:14px;color:var(--ink-2);margin-bottom:24px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-grid .full{grid-column:1/-1}
.field label{display:block;font-size:13.5px;font-weight:700;color:var(--ink);margin-bottom:7px}
.field label i{color:#E2574C;font-style:normal;margin-left:2px}
.field input,.field select,.field textarea{
  width:100%;border:1.5px solid var(--line);border-radius:10px;padding:11px 15px;font-size:14.5px;color:var(--ink);
  background:#FBFCFE;transition:border-color .2s,box-shadow .2s;outline:none;
}
.field select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%235B6B84' stroke-width='2.4'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:38px}
.field textarea{resize:vertical;min-height:110px}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--orange);box-shadow:0 0 0 4px rgba(242,140,30,.13);background:#fff}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--ink-2)}
.consent input{margin-top:4px;accent-color:var(--orange)}
.form-note{font-size:12.5px;color:var(--ink-3);margin-top:14px}
@media(max-width:980px){.form-shell{grid-template-columns:1fr}}
@media(max-width:620px){.form-grid{grid-template-columns:1fr}.form-card{padding:26px 20px}}

.contact-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.ccard{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:24px 22px;transition:.25s}
.ccard:hover{box-shadow:var(--shadow-md);transform:translateY(-3px)}
.ccard .ci{width:46px;height:46px;border-radius:12px;background:var(--orange-tint);display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.ccard .ci svg{width:22px;height:22px;stroke:var(--orange-deep);fill:none}
.ccard h4{font-size:14px;color:var(--ink-3);font-weight:700;letter-spacing:.12em;margin-bottom:8px}
.ccard .cv{font-size:16px;font-weight:800;color:var(--navy);line-height:1.6;word-break:break-all}
.ccard .cv a:hover{color:var(--orange)}
.ccard .cv.small{font-size:14px;font-weight:600}
@media(max-width:1000px){.contact-cards{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.contact-cards{grid-template-columns:1fr}}

/* 地图占位 */
.map-card{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);background:#fff}
.map-card .mapi{position:relative;height:380px;background:linear-gradient(160deg,#E9F0F9,#DFE9F5);display:flex;align-items:center;justify-content:center}
.map-card .mapi svg.pin{width:120px;height:120px}
.map-card .map-actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;padding:16px;border-top:1px solid var(--line)}

/* ---------- 步骤时间轴 ---------- */
.steps{display:grid;gap:0;counter-reset:step}
.step{display:grid;grid-template-columns:86px minmax(0,1fr);gap:26px;position:relative;padding-bottom:34px}
.step:last-child{padding-bottom:0}
.step::before{content:"";position:absolute;left:42px;top:64px;bottom:8px;width:2px;background:linear-gradient(var(--navy-tint-2),var(--navy-tint))}
.step:last-child::before{display:none}
.step .st-idx{text-align:center}
.step .st-idx b{width:64px;height:64px;border-radius:50%;background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:900;box-shadow:0 0 0 8px var(--navy-tint);position:relative;z-index:1;margin:0 auto}
.step .st-idx small{display:block;margin-top:12px;font-size:12px;color:var(--ink-3);line-height:1.5}
.step:nth-child(even) .st-idx b{background:var(--orange);box-shadow:0 0 0 8px var(--orange-tint)}
.step .st-body h4{font-size:19px;font-weight:800;color:var(--navy)}
.step .st-body p{font-size:14.5px;color:var(--ink-2);margin-top:6px}
@media(max-width:620px){.step{grid-template-columns:64px 1fr;gap:16px}}

/* ---------- 里程碑时间线 ---------- */
.milestones{position:relative;padding-left:34px}
.milestones::before{content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;background:linear-gradient(var(--navy-4),var(--navy-tint-2))}
.mile{position:relative;padding:0 0 36px 26px}
.mile:last-child{padding-bottom:4px}
.mile::before{content:"";position:absolute;left:-34px;top:6px;width:20px;height:20px;border-radius:50%;background:#fff;border:5px solid var(--orange);box-sizing:border-box}
.mile .m-year{font-size:30px;font-weight:900;color:var(--navy);letter-spacing:.02em}
.mile .m-year small{font-size:13px;color:var(--ink-3);font-weight:600;letter-spacing:.14em;margin-left:10px}
.mile h4{font-size:17px;font-weight:800;color:var(--ink);margin:6px 0 6px}
.mile p{font-size:14px;color:var(--ink-2);max-width:720px}

/* ---------- 案例 ---------- */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.case-card{position:relative;border-radius:var(--r-md);overflow:hidden;aspect-ratio:16/10.5;cursor:pointer}
.case-card img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.case-card::after{content:"";position:absolute;inset:0;background:linear-gradient(190deg,transparent 35%,rgba(7,22,45,.82));opacity:.9;transition:.3s}
.case-card:hover img{transform:scale(1.06)}
.case-card .cc-body{position:absolute;left:0;right:0;bottom:0;padding:20px 22px;z-index:2;color:#fff}
.case-card .cc-body .t{font-size:11.5px;color:#FBC389;letter-spacing:.18em;font-weight:700}
.case-card .cc-body h4{font-size:17px;font-weight:800;margin-top:5px;line-height:1.45}
.case-card .cc-body p{font-size:13px;color:#CBD9EC;margin-top:7px;display:none}
.case-card:hover .cc-body p{display:block}
@media(max-width:960px){.case-grid{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.case-grid{grid-template-columns:1fr}}

/* ---------- 玄武岩可视化卡 ---------- */
.bf-card{position:relative;border-radius:var(--r-lg);overflow:hidden;background:var(--navy);color:#fff;min-height:260px;display:flex;flex-direction:column;justify-content:flex-end;padding:26px 24px}
.bf-card .bf-vis{position:absolute;inset:0}
.bf-card .bf-vis svg{width:100%;height:100%}
.bf-card .bf-tag{position:relative;font-size:12px;color:#FBC389;letter-spacing:.2em;font-weight:700}
.bf-card h4{position:relative;font-size:22px;font-weight:900;margin-top:8px}
.bf-card p{position:relative;font-size:13.5px;color:#BED1E8;margin-top:8px}
.material-bands{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.m-band{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:24px}
.m-band h4{font-size:16px;font-weight:800;color:var(--navy);display:flex;align-items:center;gap:10px;margin-bottom:6px}
.m-band h4 .tag2{font-size:11px;padding:3px 10px;border-radius:999px;background:var(--orange);color:#fff;font-weight:700}
.m-band p{font-size:13.5px;color:var(--ink-2);margin-bottom:14px}
.m-band .bars{display:grid;gap:9px}
.m-band .bar-row{display:grid;grid-template-columns:92px 1fr 56px;gap:10px;align-items:center;font-size:12.5px;color:var(--ink-2)}
.m-band .bar-row .track{height:8px;border-radius:99px;background:var(--bg-deep);overflow:hidden}
.m-band .bar-row .fill{height:100%;border-radius:99px;background:var(--g-cta)}
.m-band .bar-row b{font-size:12.5px;color:var(--navy);text-align:right;font-variant-numeric:tabular-nums}
@media(max-width:900px){.material-bands{grid-template-columns:1fr}}

/* ---------- 关键数据大字 ---------- */
.kpi-row{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.kpi{text-align:center;padding:10px 8px}
.kpi .v{font-size:clamp(30px,3.4vw,44px);font-weight:900;color:var(--navy);line-height:1.1}
.kpi .v small{font-size:16px;color:var(--orange);font-weight:800}
.kpi .k{font-size:13.5px;color:var(--ink-2);margin-top:10px}
.kpi .d{font-size:12px;color:var(--ink-3);margin-top:3px}
@media(max-width:960px){.kpi-row{grid-template-columns:1fr 1fr}}

/* ---------- 深色上的内容辅助 ---------- */
.on-dark .sec-head h2{color:#fff}
.on-dark .kpi .v{color:#fff}
.on-dark .kpi .v small{color:#FFB257}
.on-dark .kpi .k{color:#B9CCE5}
.dark-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--r-md);padding:24px;color:#D6E3F5}
.dark-card h4{color:#fff;font-size:16.5px;font-weight:800;display:flex;gap:10px;align-items:center;margin-bottom:8px}
.dark-card h4 .ic{color:var(--orange)}
.dark-card p{font-size:13.5px;color:#AFC5E0}

/* ---------- 服务承诺四卡 ---------- */
.svc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.svc-card{background:#fff;border:1px solid var(--line);border-top:4px solid var(--orange);border-radius:var(--r-md);padding:26px 24px;transition:.3s var(--ease)}
.svc-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.svc-card .si{width:50px;height:50px;border-radius:50%;background:var(--navy-tint);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.svc-card .si svg{width:24px;height:24px;stroke:var(--navy-3);fill:none}
.svc-card h4{font-size:16.5px;color:var(--navy);font-weight:800;margin-bottom:8px}
.svc-card p{font-size:13.5px;color:var(--ink-2)}
@media(max-width:1024px){.svc-grid{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.svc-grid{grid-template-columns:1fr}}

/* ---------- 面包屑页脚翻页等 ---------- */
.pagination{display:flex;gap:10px;justify-content:center;margin-top:40px}
.pagination a,.pagination span{min-width:42px;height:42px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:10px;font-size:14.5px;font-weight:700;color:var(--ink-2);background:#fff;transition:.2s}
.pagination a:hover{border-color:var(--orange);color:var(--orange-deep)}
.pagination .on{background:var(--navy);border-color:var(--navy);color:#fff}

/* ---------- 锚点导航（产品页内） ---------- */
.subnav{position:sticky;top:76px;z-index:40;background:rgba(255,255,255,.95);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.subnav .container{display:flex;gap:6px;overflow-x:auto;padding:10px 24px;scrollbar-width:none}
.subnav::-webkit-scrollbar{display:none}
.subnav a{white-space:nowrap;padding:8px 18px;font-size:14.5px;font-weight:600;color:var(--ink-2);border-radius:999px;transition:.2s}
.subnav a:hover{color:var(--orange)}
.subnav a.on{background:var(--navy);color:#fff}
@media(max-width:1024px){.subnav{top:66px}}

/* ---------- 咨询侧栏/浮动 ---------- */
.fab-phone{position:fixed;right:26px;bottom:26px;z-index:45;display:flex;flex-direction:column;gap:10px}
.fab-phone a{width:54px;height:54px;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-md);transition:transform .25s}
.fab-phone a:hover{transform:scale(1.08)}
.fab-phone .f-tel{background:var(--orange);color:#fff}
.fab-phone .f-tel svg{width:24px;height:24px;fill:none;stroke:#fff}
.fab-phone .f-top{background:var(--navy);color:#fff;opacity:0;visibility:hidden;transition:.3s}
.fab-phone .f-top.show{opacity:1;visibility:visible}
.fab-phone .f-top svg{width:20px;height:20px;stroke:#fff;fill:none}
@media(max-width:760px){.fab-phone{right:16px;bottom:16px}.fab-phone a{width:48px;height:48px}}

/* ---------- 滚动显现 ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal-left{opacity:0;transform:translateX(-32px);transition:.75s var(--ease)}
.reveal-left.in{opacity:1;transform:none}
.reveal-right{opacity:0;transform:translateX(32px);transition:.75s var(--ease)}
.reveal-right.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .reveal,.reveal-left,.reveal-right{opacity:1;transform:none;transition:none}
  *{animation:none!important}
}

/* ---------- 页脚 ---------- */
.site-footer{background:#072140;color:#9FB4CE;font-size:14px}
.footer-top{border-bottom:1px solid rgba(255,255,255,.08)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:44px;padding:64px 0 44px}
.footer-brand .brand b{color:#fff}
.footer-brand .brand span{color:#6E89A8}
.footer-brand>p{margin-top:18px;font-size:13.5px;line-height:1.9;color:#8FA6C2}
.footer-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.footer-chips span{font-size:12px;border:1px solid rgba(255,255,255,.18);border-radius:999px;padding:4px 13px;color:#C4D5EA}
.footer-col h3{color:#fff;font-size:15.5px;font-weight:800;margin-bottom:18px;letter-spacing:.06em}
.footer-col ul li{margin-bottom:11px}
.footer-col ul a{color:#93A9C6;transition:.2s;display:inline-flex;align-items:center;gap:8px}
.footer-col ul a::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--orange);opacity:.75}
.footer-col ul a:hover{color:#fff;padding-left:3px}
.footer-contact li{display:flex;gap:10px;margin-bottom:14px;line-height:1.6}
.footer-contact svg{width:16px;height:16px;flex:0 0 auto;stroke:var(--orange);fill:none;margin-top:4px}
.footer-contact a:hover{color:#fff}
.footer-qr{display:flex;gap:14px;margin-top:6px}
.footer-qr .qr{
  width:84px;height:84px;border-radius:10px;background:#fff;display:flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.footer-qr .qrtxt{font-size:12px;color:#8FA6C2;line-height:1.8}
.footer-bottom{padding:20px 0;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:12.5px;color:#6E89A8}
.footer-bottom a:hover{color:#fff}
@media(max-width:1024px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.footer-grid{grid-template-columns:1fr;gap:34px}}

/* ---------- 双栏图文说明 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.split .media{position:relative}
.split.rev .media{order:2}
.badge-img{position:absolute;right:-16px;bottom:-16px;background:var(--orange);color:#fff;border-radius:var(--r-md);padding:16px 20px;box-shadow:var(--shadow-md)}
.badge-img b{display:block;font-size:26px;font-weight:900;line-height:1.1}
.badge-img small{font-size:12px;opacity:.92}
@media(max-width:960px){.split{grid-template-columns:1fr;gap:32px}.split.rev .media{order:0}}

/* 资质条 */
cert-strip{display:flex}
.cert-band{background:var(--bg)}
.cert-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.cert-card{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:20px}
.cert-card .ck{width:40px;height:40px;border-radius:10px;background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:center;flex:0 0 auto}
.cert-card .ck svg{width:20px;height:20px;stroke:#fff;fill:none}
.cert-card h4{font-size:15.5px;font-weight:800;color:var(--navy);margin-bottom:4px}
.cert-card p{font-size:12.5px;color:var(--ink-2);line-height:1.7}
@media(max-width:960px){.cert-grid{grid-template-columns:1fr}}

/* ---------- 品牌深底高亮数字 ---------- */
.brand-strip{background:var(--g-hero);color:#fff;position:relative;overflow:hidden}
.brand-strip::before{content:"";position:absolute;inset:0;background:radial-gradient(800px 340px at 8% 0%,rgba(46,109,184,.3),transparent 60%),radial-gradient(700px 300px at 96% 100%,rgba(242,140,30,.16),transparent 55%)}
.brand-strip .container{position:relative;display:flex;justify-content:space-between;gap:22px;flex-wrap:wrap;padding:52px 24px}
.brand-strip .bs-cell{display:flex;align-items:center;gap:16px}
.brand-strip .bs-cell .bi{width:52px;height:52px;border-radius:14px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);display:flex;align-items:center;justify-content:center;flex:0 0 auto}
.brand-strip .bs-cell .bi svg{width:25px;height:25px;stroke:var(--orange);fill:none}
.brand-strip .bs-cell b{display:block;font-size:24px;font-weight:900;line-height:1.2}
.brand-strip .bs-cell b small{font-size:14px;color:#FFB257}
.brand-strip .bs-cell span{font-size:13px;color:#AFC5E0}

/* ---------- 模块小节 ---------- */
.hr-title{display:flex;align-items:center;gap:18px;margin:8px 0 26px}
.hr-title .ht-line{height:1px;background:var(--line);flex:1}
.hr-title h2{font-size:clamp(23px,2.8vw,32px);font-weight:900;color:var(--navy)}
.hr-title .en{font-size:11px;color:var(--orange);letter-spacing:.32em;font-weight:700}

.two-col{display:grid;grid-template-columns:1fr 1fr;gap:24px}
@media(max-width:860px){.two-col{grid-template-columns:1fr}}

/* 图片墙（一行多图小卡） */
.mini-strip{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.mini-strip .mi{border-radius:10px;overflow:hidden;aspect-ratio:3/2;border:1px solid var(--line)}
.mini-strip .mi img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.mini-strip .mi:hover img{transform:scale(1.08)}
@media(max-width:980px){.mini-strip{grid-template-columns:repeat(3,1fr)}}
@media(max-width:600px){.mini-strip{grid-template-columns:repeat(2,1fr)}}

/* 二维码样式占位（SVG 生成的模块） */
.qr-art{width:100%;height:100%;display:block}

/* 打印友好 */
@media print{
  .topbar,.site-head,.subnav,.cta-band,.site-footer,.fab-phone,.hero-cta{display:none!important}
  body{background:#fff;color:#000}
  .section{padding:30px 0}
  .reveal{opacity:1!important;transform:none!important}
}

/* ============================================================
   v1.1 补丁：产品卡 / 下拉激活态 / 顶部条响应式
   ============================================================ */
.drop-menu a.active{background:var(--navy-tint)}
.drop-menu a.active b{color:var(--navy-3)}
.drop-menu a.active small{color:var(--ink-2)}

.pcard-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.pcard{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;display:flex;flex-direction:column;transition:transform .3s var(--ease),box-shadow .3s}
.pcard:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.pcard .pc-ph{position:relative;aspect-ratio:16/10;overflow:hidden}
.pcard .pc-ph img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.pcard:hover .pc-ph img{transform:scale(1.06)}
.pcard .pc-ph .tag{position:absolute;top:12px;left:12px;background:rgba(11,43,87,.92);color:#fff}
.pcard .pc-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.pcard .pc-k{font-size:11px;letter-spacing:.18em;color:var(--orange-deep);font-weight:700}
.pcard .pc-body h4{font-size:19px;color:var(--navy);font-weight:800;margin:6px 0 10px}
.pcard .pc-body>p{font-size:13.5px;color:var(--ink-2)}
.pcard .pc-spec{font-size:12.5px;color:var(--ink-3);margin-top:12px;line-height:1.8}
.pcard .pc-foot{margin-top:auto;padding-top:18px;display:flex;gap:12px;flex-wrap:wrap}
@media(max-width:960px){.pcard-grid{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.pcard-grid{grid-template-columns:1fr}}

/* 顶部条移动端降噪 */
@media(max-width:900px){.tb-hide-md{display:none!important}}
@media(max-width:700px){
  .topbar .container{height:auto;padding-top:6px;padding-bottom:6px;justify-content:center}
  .tb-hide-sm{display:none!important}
  .tb-tel{font-size:12.5px}
}

/* ============ v1.2 文章详情与正文排版 ============ */
.article .prose p{line-height:1.95;margin-bottom:18px}
.article .prose h3{margin:36px 0 14px;font-size:20px;font-weight:800;color:var(--navy);border-left:4px solid var(--orange);padding-left:14px;line-height:1.4}
.article .prose ul{list-style:none;margin:4px 0 20px;padding:0}
.article .prose ul li{position:relative;padding-left:24px;line-height:1.95;color:var(--ink);margin-bottom:6px}
.article .prose ul li::before{content:"";position:absolute;left:2px;top:.82em;width:8px;height:8px;border-radius:50%;background:var(--orange)}
.a-cover{border-radius:var(--r-lg);overflow:hidden;margin:4px 0 30px;box-shadow:var(--shadow-md)}
.a-cover img{width:100%;max-height:520px;object-fit:cover;display:block}
.a-cover figcaption{text-align:center;font-size:12.5px;color:var(--ink-3);padding:10px 12px;background:#F6F8FB}
.a-foot{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;margin-top:46px;padding-top:22px;border-top:1px solid var(--line)}
.a-back{font-size:14.5px}
.a-tags{display:flex;gap:8px;flex-wrap:wrap}
.rel-sec{max-width:860px;margin:70px auto 0}
.rel-sec .sec-head{margin-bottom:24px}

/* ============ v1.3 列表与杂项补丁 ============ */
.check-list{list-style:none;padding:0;margin:16px 0 22px}
.check-list li{position:relative;padding-left:30px;margin-bottom:10px;font-size:14.5px;line-height:1.85;color:var(--ink-2)}
.check-list li::before{content:"✓";position:absolute;left:2px;top:0;color:var(--orange-deep);font-weight:900}
.check-list li b{color:var(--ink);font-weight:700}
.adv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
@media(max-width:1060px){.adv-grid{grid-template-columns:1fr 1fr}}

/* ============ v1.4 misc ============ */
.mp-close{background:none;border:0;cursor:pointer;padding:4px}

/* ============ v1.5 hero 文字显式白（防隐性覆盖） ============ */
.hero h1{color:#fff}
.hero .lede,.hero .ticks li,.hero-note,.hero-eyebrow{color:#fff}
.hero .ticks li small,.hero-note small{color:#D6E3F5}
.hero .lede{opacity:.96}

/* ============ v1.6 客户意见：深蓝底文字提白 + 全局紧凑 + 返回键 ============ */
/* （1）蓝色底框（顶栏/页头/深蓝带/CTA/页脚）上的文字改为白色系，不再用发蓝灰的字 */
.topbar{color:#fff}
.topbar .tb-right span{color:#EAF2FC}
.crumb,.crumb a{color:#fff}
.crumb svg{stroke:#8FB0D8}
.page-hero .lead{color:#D9E6F7}
.section.navy .sec-head p.sub{color:#C9DAEF}
.on-dark .kpi .k{color:#fff}
.on-dark .kpi .d{color:#C9DAEF}
.cta-inner p{color:#D3E1F3}
.cta-phone .p-label{color:#C4D6EC}
.dark-card p{color:#C9DAEF}
.biz-card .en{color:#C9DAEF}
.footer-brand .brand span{color:#9FB4CE}
.footer-brand>p{color:#AFC4DE}
.footer-col ul a{color:#BCCFE5}
.footer-bottom{color:#9FB4CE}

/* （2）页面内容整体紧凑（段落/区块留白收敛一档） */
.section{padding:68px 0}
.section.tight{padding:52px 0}
.sec-head{margin-bottom:32px}
.hero .container{padding-top:62px;padding-bottom:78px}
.hero-eyebrow{margin-bottom:18px}
.hero .lede{margin:18px 0 6px}
.hero .ticks{margin:16px 0 26px}
.page-hero{padding:50px 0 46px}
.stat-band{margin-top:-40px}
.cta-inner{padding:52px 0}
.footer-grid{padding:50px 0 34px}
.feature-rows{gap:26px}
.feature-row{padding:28px 32px;gap:44px}
.feature-row .fr-media img{height:300px}
.form-shell{gap:32px}
.form-card{padding:28px}
.pcard .pc-body{padding:18px 18px 20px}
.pcard-grid{gap:18px}
.cert-card{padding:18px}
.cert-grid{gap:16px}
.biz-card{min-height:380px;padding:30px}
.biz-grid{gap:24px}
.svc-card{padding:22px 20px}
.svc-grid{gap:18px}
.dark-card{padding:20px}
.kpi-row{gap:18px}
.a-foot{margin-top:34px;padding-top:18px}
.rel-sec{margin:52px auto 0}
.faq-item .faq-q{padding:16px 22px}

/* （3）返回上一页悬浮键（白底蓝箭头，追加在右下角悬浮组内，与电话/置顶区分） */
.fab-phone .f-back{background:#fff;border:1px solid rgba(11,43,87,.28)}
.fab-phone .f-back svg{width:20px;height:20px;stroke:var(--navy);fill:none}
.fab-phone .f-back:hover{background:var(--orange);border-color:var(--orange);transform:scale(1.08)}
.fab-phone .f-back:hover svg{stroke:#fff}

/* ============ v1.7 联系页：去掉右侧示意地图，表单整宽（客户意见） ============ */
.form-shell{grid-template-columns:1fr}
.form-card{max-width:880px;margin-inline:auto}

/* ============ v1.8 深色带内指标数值/标签全部提纯白（客户意见：3500–3800 等看不清） ============ */
.navy .kpi .v,.on-dark .kpi .v{color:#fff}
.navy .kpi .v small,.on-dark .kpi .v small{color:#fff}
.navy .kpi .k,.on-dark .kpi .k{color:#fff}
.navy .kpi .d,.on-dark .kpi .d{color:#D9E6F5}
.brand-strip .bs-cell b small{color:#fff}
.brand-strip .bs-cell span{color:#D9E6F5}

/* ============ v1.9 全站品牌 LOGO 换成客户官方 WF 图标（assets/img/logo-wf.png） ============ */
.brand .brand-mark{height:40px;width:auto;object-fit:contain}
.site-footer .brand .brand-mark{background:#fff;border-radius:12px;padding:5px}



/* ============ v2.0 顶栏语言切换位（中 / EN / RU） ============ */
/* 位置：顶栏右侧（.topbar .container 为 space-between，左侧联系信息、右侧语言）。
   三语已上线：当前语种为 span.on，其余两种为指向 en/ 或 ru/ 同名页的 a 标签。
   切换位由 _i18n/build.py 统一生成，勿手改各页；.pending 样式保留以备新增语种占位。 */
.topbar .tb-lang{display:flex;align-items:center;gap:3px;white-space:nowrap}
.topbar .tb-lang>svg{margin-right:4px;flex:none}
.topbar .tb-lang .on,.topbar .tb-lang a,.topbar .tb-lang .pending{
  padding:2px 9px;border-radius:999px;font-size:12.5px;line-height:1.7;letter-spacing:.02em}
/* 当前语种：橙底配深蓝字（白字在橙底上对比度不足） */
.topbar .tb-lang .on{background:var(--orange);color:var(--navy);font-weight:700}
.topbar .tb-lang a{color:#C6D5E8}
.topbar .tb-lang a:hover{background:rgba(255,255,255,.14);color:#fff}
.topbar .tb-lang .pending{color:#8AA3BF;cursor:default}
@media(max-width:700px){
  .topbar .container{flex-wrap:wrap;row-gap:2px;justify-content:center}
  .topbar .tb-lang{gap:2px}
  .topbar .tb-lang>svg{display:none}
}

/* ============ v2.1 多语言上线微调 ============ */
/* 首页 hero 浮动芯片：原型 .k 为行内 span 却带 margin-top，英俄文一行放不下且与数字粘连；
   改为块级后三语统一「数字在上、说明在下」，芯片也随之变窄。 */
.hero-chip .k{display:block}
/* 首页 hero 左下芯片与图片底部标签行（.hero-badges，同为 z-index:2、DOM 在后）重叠：
   原型即如此，中文页也被压住。芯片整体提到标签行之上，左下芯片上移让出标签行。 */
.hero-chip{z-index:3}
.hero-chip.c2{bottom:54px}

/* ============ v2.2 性能优化 ============ */
/* 内容图补了 width/height 属性用于预留版位（防 CLS）；CSS 只给 width:100% 的图需要 height:auto 才能按比例缩放。
   低优先级选择器，不影响已显式设定高度的规则（hero 框、卡片 object-fit:cover 等）。 */
img{height:auto}

/* 对比度（WCAG AA 4.5:1，Lighthouse 标出的白/浅底小字）：--ink-3 灰与品牌橙作前景色不达标，
   只在浅底场景覆盖为同色相的深一档；深色底上的原色保持不变。橙底徽章改藏青字（同语言切换胶囊）。 */
.brand-name span{color:#5C7697}
.stat-cell .d,.pain-card .d,.drop-menu a small,.flow-card .body .code,table.spec td.param,table.spec caption,table.cmp td.param,.caption,.news-row .ndate span,.news-row .narrow,.news-card .nc-meta,.article .a-meta,.form-note,.ccard h4,.step .st-idx small,.mile .m-year small,.pcard .pc-spec,.a-cover figcaption{color:#5C7697}
.note-line,p.note-line{color:#5A7494}
.stat-cell .v small,.sec-head .eyebrow,.eyebrow{color:#AF600A}
.badge-img b,.badge-img small{color:var(--navy)}
/* 键盘可达：原型只有表单 :focus，链接/按钮无可见焦点环 */
a:focus-visible,button:focus-visible,[role="button"]:focus-visible{outline:2px solid var(--orange);outline-offset:3px;border-radius:4px}
/* 触控目标（移动端）：语言链接 / 面包屑 / 「更多」链接 / 页脚与抽屉链接 / 联系卡链接 / 勾选框 */
@media(max-width:700px){
  .topbar .tb-lang a,.topbar .tb-lang .on{padding:6px 10px}
  .crumb a,.more-link,.footer-col a,.ccard .cv a{display:inline-block;padding:8px 2px}
  .mp-inner a.mp-link{padding-top:12px;padding-bottom:12px}
  .consent input{width:20px;height:20px;flex:0 0 auto}
  /* iOS：输入框字号 <16px 聚焦会自动放大页面 */
  .field input,.field select,.field textarea{font-size:16px}
}
@media(max-width:700px){
  .footer-bottom a{display:inline-block;padding:8px 0}
  .topbar .tb-lang a,.topbar .tb-lang .on{padding:8px 10px}
}
.note-line b{color:#AF600A}
/* 英俄长按钮：.btn 原型为 nowrap，移动端允许换行，避免撑出视口 */
@media(max-width:700px){.btn{white-space:normal;text-align:center;line-height:1.35}}
/* 卸板系统页痛点卡片：HTML 内联 grid-template-columns:1fr 1fr 压过了原型的 ≤560px 单列规则，俄文长词把两列撑出视口 */
@media(max-width:560px){.pain-grid{grid-template-columns:1fr!important}.pain-card .v{overflow-wrap:anywhere}}

/* ============ v2.3 客户修改意见（2026-09-12） ============ */
/* 1. 首页 hero 图换视频（静音自动循环），两个浮动芯片按要求去掉 */
.hero-media .frame video{display:block;width:100%;height:460px;object-fit:cover;background:var(--navy)}
@media(max-width:1024px){.hero-media .frame video{height:auto;aspect-ratio:16/9;max-height:420px}}
/* 2. 首页玄武岩卡片右上两张实拍 */
.biz-card .bc-photos{position:absolute;top:22px;right:22px;display:flex;gap:10px;z-index:0}
.biz-card .bc-photos img{width:104px;height:138px;object-fit:cover;border-radius:10px;border:2px solid rgba(255,255,255,.4);box-shadow:var(--shadow-md)}
@media(max-width:560px){.biz-card .bc-photos{top:16px;right:16px;gap:8px}.biz-card .bc-photos img{width:74px;height:98px}}
/* 3. 明星产品位视频（点击播放） */
.fr-media video{display:block;width:100%;height:330px;object-fit:cover;background:#000}
@media(max-width:960px){.fr-media video{height:240px}}
/* 5. 数字与单位不跨行（桌面端；移动端允许换行以免溢出）；玄武岩带标题一行放下、右列稍右移 */
@media(min-width:701px){.kpi .v,.stat-cell .v,.fr-spec .v{white-space:nowrap}}
@media(min-width:1024px){.section.navy .split .sec-head h2{font-size:36px;letter-spacing:0}}
.basalt-kpis .kpi .v{font-size:clamp(28px,3vw,40px)}
/* 6/7. 玄武岩页：示意图换照片，供应卡实拍 */
.pcard .pc-ph img{width:100%;height:100%;object-fit:cover;display:block}
/* 10. 产线页工位横向滚动条加深 */
.flow-track{scrollbar-color:#5C7697 #E3EAF3}
.flow-track::-webkit-scrollbar{height:8px}
.flow-track::-webkit-scrollbar-track{background:#E3EAF3;border-radius:4px}
.flow-track::-webkit-scrollbar-thumb{background:#5C7697;border-radius:4px}
/* 12. 关于我们：公司简介用整图展示，不裁切 */
.fr-media.profile img{object-fit:contain;background:#fff}
/* hero 视频修正（2026-09-12 客户反馈：歪、糊、挡字幕）：去掉原型给图框的 1.2° 倾斜与底部压暗渐变；
   框按视频 16:9 显示不裁切不放大；三个标签移到视频下方；桌面端媒体列略加宽 */
.hero-media .frame{transform:none}
.hero-media .frame::after{display:none}
.hero-media .frame video{height:auto;aspect-ratio:16/9;max-height:none}
.hero-badges{position:static;margin-top:14px;justify-content:flex-start;flex-wrap:wrap}
@media(min-width:1025px){.hero .container{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr)}}

/* ============ v2.4 客户修改意见 2（2026-09-15） ============ */
/* 2. 首页主标题一行（仅中文；英俄文较长保持换行） */
@media(min-width:1025px){html[lang="zh-CN"] .hero h1{white-space:nowrap;font-size:clamp(40px,4vw,52px)}}
/* 3. 首屏视频「全屏播放完整视频」按钮：放右上角，避开底部字幕 */
.hero-media .frame .hero-fs{position:absolute;top:12px;right:12px;z-index:3;display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:999px;background:rgba(8,20,40,.72);color:#fff;font-size:13px;font-weight:700;border:1px solid rgba(255,255,255,.35);backdrop-filter:blur(4px);transition:background .2s}
.hero-media .frame .hero-fs svg{width:14px;height:14px;fill:var(--orange)}
.hero-media .frame .hero-fs:hover{background:var(--orange)}
.hero-media .frame .hero-fs:hover svg{fill:#fff}
/* 5. 竖屏实拍视频在 16:9 卡片里完整显示 */
.video-card video{object-fit:contain;background:#000}
/* 6. 型号统一写法：标题下方分行 */
.model-lines{display:flex;flex-wrap:wrap;gap:4px 18px;margin:6px 0 10px;font-size:15px;font-weight:700;color:var(--orange-deep,#AF600A)}
.model-lines span{white-space:nowrap}
.model-lines.on-dark{color:#FFB257;font-size:clamp(16px,1.8vw,20px);margin:8px 0 4px}
/* 通用：可放大缩略图 + 灯箱 */
.thumb{position:relative;display:block;border-radius:10px;overflow:hidden;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);transition:transform .25s var(--ease),box-shadow .25s}
.thumb img{display:block;width:100%;height:100%;object-fit:contain}
.thumb:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.thumb .zoom{position:absolute;right:8px;top:8px;width:28px;height:28px;border-radius:50%;background:rgba(11,43,87,.78);display:flex;align-items:center;justify-content:center;opacity:.85}
.thumb .zoom svg{width:15px;height:15px;stroke:#fff;fill:none;stroke-width:2.2;stroke-linecap:round}
.thumb .t-cap{display:block;text-align:center;font-size:12.5px;color:var(--ink-2);padding:7px 6px;background:#F6F8FB;border-top:1px solid var(--line)}
.lb{position:fixed;inset:0;z-index:9999;background:rgba(4,12,26,.92);display:flex;align-items:center;justify-content:center;padding:56px 64px}
.lb-stage{margin:0;max-width:100%;max-height:100%;display:flex;flex-direction:column;align-items:center;gap:10px}
.lb-stage img{max-width:min(92vw,1400px);max-height:calc(100vh - 140px);object-fit:contain;border-radius:6px;background:#fff}
.lb-stage video{width:min(92vw,1280px);max-height:calc(100vh - 120px);background:#000;border-radius:6px}
.lb-stage figcaption{color:#D6E3F5;font-size:14px;text-align:center}
.lb button{position:absolute;border:0;background:rgba(255,255,255,.12);color:#fff;width:46px;height:46px;border-radius:50%;font-size:26px;line-height:1;cursor:pointer}
.lb button:hover{background:var(--orange)}
.lb .lb-x{top:14px;right:16px}
.lb .lb-prev{left:12px;top:50%;transform:translateY(-50%)}
.lb .lb-next{right:12px;top:50%;transform:translateY(-50%)}
.lb .lb-count{position:absolute;bottom:14px;left:50%;transform:translateX(-50%);color:#9FB4CE;font-size:13px}
@media(max-width:700px){.lb{padding:52px 8px}.lb .lb-prev,.lb .lb-next{top:auto;bottom:10px;transform:none}}
/* 1. 关于我们：证书墙（高新证横版 + 4 张竖版，等高对齐） */
.cert-show{display:grid;grid-template-columns:2fr repeat(4,1fr);gap:16px;margin-top:22px;align-items:start}
.cert-show .thumb img{aspect-ratio:3/4;padding:6px}
.cert-show .thumb.land img{aspect-ratio:3/2}
@media(max-width:960px){.cert-show{grid-template-columns:repeat(2,1fr)}.cert-show .thumb.land{grid-column:1/-1}}
/* 8. 关于我们 hero：企业简介框（底色取自客户提供展板的文字框紫色 #423CAA） */
.ph-split{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:44px;align-items:center}
.intro-box{background:linear-gradient(135deg,rgba(70,64,176,.94),rgba(58,52,150,.94));border:1px solid rgba(172,164,255,.35);border-radius:14px;padding:20px 26px;box-shadow:0 18px 40px rgba(10,14,50,.35)}
.intro-box .ib-title{font-size:16px;font-weight:800;color:#fff;display:flex;align-items:center;gap:10px;margin-bottom:8px}
.intro-box .ib-title::before{content:"";width:22px;height:2px;background:var(--orange)}
.intro-box p{font-size:14px;line-height:1.9;color:#F1EEFF;text-align:justify}
@media(max-width:1024px){.ph-split{grid-template-columns:1fr;gap:24px}}
/* 8b. 公司图册：默认小图，点开放大 */
.brochures{margin-top:26px}
.brochures .br-head{display:flex;align-items:baseline;gap:12px;margin-bottom:12px}
.brochures .br-head b{font-size:16px;color:var(--navy)}
.brochures .br-head span{font-size:12.5px;color:#5C7697}
.br-row{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.br-row .thumb img{aspect-ratio:10/7;object-fit:cover}
@media(max-width:760px){.br-row{grid-template-columns:repeat(2,1fr)}}
/* 9. 联系我们：宣传海报三联 */
.poster-row{display:grid;grid-template-columns:repeat(3,minmax(0,260px));justify-content:center;gap:22px;margin-top:28px}
.poster-row .thumb img{aspect-ratio:1400/1970}
@media(max-width:700px){.poster-row{grid-template-columns:repeat(3,1fr);gap:8px}}
/* 12. 新闻资讯 hero：五块展板 */
.board-row{display:grid;grid-template-columns:repeat(5,1fr);gap:10px}
.board-row .thumb{border-color:rgba(255,255,255,.25);background:rgba(255,255,255,.06)}
.board-row .thumb img{aspect-ratio:1200/2021;object-fit:cover}
.board-row .thumb .zoom{width:22px;height:22px;right:5px;top:5px}
@media(max-width:1024px){.board-row{grid-template-columns:repeat(5,minmax(96px,1fr));overflow-x:auto;padding-bottom:4px}}
/* 8/10. 新闻正文：正文图两联 + 签约图通栏 */
.a-gallery{background:#F6F8FB;padding:12px}
.a-gallery .ag-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:12px}
.a-gallery .thumb img{aspect-ratio:3/2;object-fit:cover}
.a-gallery .thumb.wide img{aspect-ratio:4/2.4;object-fit:cover}
.a-gallery figcaption{background:transparent;padding:10px 4px 0}
/* 11. 产线页「解决五个老问题」：标题居中、视频居中、五点 3+2 两行 */
.why-video{max-width:900px;margin:0 auto 34px;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-md);background:#000}
.why-video video{display:block;width:100%;aspect-ratio:16/9}
.why-bands{grid-template-columns:repeat(6,1fr)}
.why-bands .m-band{grid-column:span 2}
.why-bands .m-band:nth-child(4){grid-column:2/span 2}
@media(max-width:960px){.why-bands{grid-template-columns:1fr 1fr}.why-bands .m-band,.why-bands .m-band:nth-child(4){grid-column:auto}}
@media(max-width:600px){.why-bands{grid-template-columns:1fr}}
/* 新闻图2（企业荣誉墙）：卡片裁切时保留顶部「企业荣誉墙」标题 */
.news-card .nc-ph img[src*="news-2"]{object-position:50% 0}