@charset "UTF-8";
/* ==========================================================================
   广东集创科技 CBL — 站点样式
   风格参照：工业级克制版式（严谨栅格 / 大留白 / 硬朗切角）
   配色：深钢蓝 + 琥珀（刻意避开 Siemens 标志性 Petrol 青绿）
   ========================================================================== */

:root{
  --ink:#0B1B2B;
  --ink-2:#37485A;
  --ink-3:#6C7D90;
  --steel:#0E4A6E;
  --steel-600:#0A3A57;
  --steel-050:#E9F1F7;
  --amber:#E8912D;
  --amber-600:#C9761A;
  --amber-050:#FDF4E9;
  --line:#DDE5EC;
  --line-2:#EDF2F6;
  --surface:#F5F8FA;
  --white:#FFFFFF;
  --radius:3px;
  --maxw:1280px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;padding:0;
  font-family:var(--font);
  background:var(--white);
  color:var(--ink);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;           /* 兜底：老浏览器 */
  -webkit-tap-highlight-color:transparent;
}
/* clip 不创建滚动容器，避免 iOS Safari 下吸顶导航 position:sticky 失效 */
@supports (overflow:clip){ body{overflow-x:clip} }
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
ul,ol{list-style:none;margin:0;padding:0}
h1,h2,h3,h4,h5{margin:0;letter-spacing:-.018em;line-height:1.24;font-weight:700}
p{margin:0}

.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 40px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:16px;top:8px;z-index:200;background:#fff;padding:10px 16px;border-radius:var(--radius)}

/* ---------------- 文字构件 ---------------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;
  color:var(--amber-600);
}
.eyebrow::before{content:"";width:28px;height:2px;background:var(--amber);display:block}
.eyebrow--light{color:#8FB6D1}
.eyebrow--light::before{background:var(--amber)}

h2{font-size:clamp(26px,3.4vw,40px)}
h3{font-size:19px}
.lead{font-size:17px;color:var(--ink-2);line-height:1.8}

.sec{padding:104px 0}
.sec--alt{background:var(--surface);border-top:1px solid var(--line-2);border-bottom:1px solid var(--line-2)}
.sec-head{max-width:760px;margin-bottom:56px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head.center .eyebrow{justify-content:center}
.sec-desc{margin-top:20px;font-size:17px;color:var(--ink-2);line-height:1.8}

/* ---------------- 按钮 ---------------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:50px;padding:0 26px;border-radius:var(--radius);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
  white-space:nowrap;
}
.btn--primary{background:var(--amber);color:#fff}
.btn--primary:hover{background:var(--amber-600);transform:translateY(-1px)}
.btn--steel{background:var(--steel);color:#fff}
.btn--steel:hover{background:var(--steel-600);transform:translateY(-1px)}
.btn--outline{border:1px solid var(--line);color:var(--ink);background:#fff}
.btn--outline:hover{border-color:var(--ink);transform:translateY(-1px)}
.btn--ghost-light{border:1px solid rgba(255,255,255,.4);color:#fff}
.btn--ghost-light:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn--sm{height:42px;padding:0 20px;font-size:14px}

.tlink{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--steel);transition:gap .2s ease,color .2s ease}
.tlink svg{transition:transform .2s ease}
.tlink:hover{color:var(--amber-600);gap:14px}
.tlink:hover svg{transform:translateX(2px)}
.arw{width:15px;height:15px}

/* ==========================================================================
   顶部工具条 + 导航
   ========================================================================== */
.topbar{background:var(--ink);color:#9FB0C0;font-size:12.5px}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;height:38px;gap:20px}
.topbar-l{display:flex;align-items:center;gap:22px;min-width:0}
.topbar-r{display:flex;align-items:center;gap:20px;flex:none}
.topbar a:hover{color:#fff}
.topbar .hot{color:var(--amber);font-weight:700;letter-spacing:.02em}

.nav{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:76px;gap:24px}
.brand{display:flex;align-items:center;gap:13px;flex:none}

/* 品牌标识：等轴测双棱块（配色由 CSS 变量驱动，深色底自动反白） */
.brand-mark{
  --mk-at:#F3AC5C;  /* 琥珀 · 顶面 */
  --mk-am:#E8912D;  /* 琥珀 · 前面 */
  --mk-st:#1E6E97;  /* 钢蓝 · 顶面 */
  --mk-sm:#155E85;  /* 钢蓝 · 前面 */
  --mk-sd:#0E4A6E;  /* 钢蓝 · 侧面 */
  width:42px;height:42px;flex:none;display:block;
}
.brand-mark .mk{width:100%;height:100%;display:block;overflow:visible}
.brand-mark .mk polygon{transition:fill .22s ease}
.mk-at{fill:var(--mk-at)}
.mk-am{fill:var(--mk-am)}
.mk-st{fill:var(--mk-st)}
.mk-sm{fill:var(--mk-sm)}
.mk-sd{fill:var(--mk-sd)}
.brand:hover .mk-at{fill:#F9C288}
.brand:hover .mk-st{fill:#2A82AF}

.brand-txt{display:flex;flex-direction:column;justify-content:center;line-height:1.1;min-width:0}
.brand-row{display:flex;align-items:center;gap:11px}
.brand-l1{font-size:19px;font-weight:800;letter-spacing:.09em;color:var(--ink)}
.brand-sep{display:block;width:1px;height:15px;background:var(--line);flex:none}
.brand-cn{font-size:14.5px;font-weight:500;letter-spacing:.02em;color:var(--ink-2);white-space:nowrap}
.brand-l2{display:block;font-size:9.5px;font-weight:500;letter-spacing:.1em;
  color:var(--ink-3);margin-top:5px;white-space:nowrap}

.nav-links{display:flex;align-items:center;gap:0;margin-left:auto}
.nav-links>li{position:relative}
.nav-links>li>a{
  display:block;padding:27px 14px;font-size:14.5px;font-weight:500;color:var(--ink-2);
  border-bottom:2px solid transparent;transition:color .18s,border-color .18s;
}
.nav-links>li>a:hover,.nav-links>li>a.on{color:var(--ink);border-bottom-color:var(--amber)}

/* 下拉 */
.has-menu:hover .submenu{opacity:1;visibility:visible;transform:none}
.submenu{
  position:absolute;top:100%;left:0;min-width:250px;background:#fff;
  border:1px solid var(--line);border-top:2px solid var(--steel);
  box-shadow:0 18px 40px -18px rgba(11,27,43,.28);
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s;
  z-index:90;
}
.submenu li a{display:block;padding:11px 18px;font-size:14px;color:var(--ink-2);border-bottom:1px solid var(--line-2)}
.submenu li:last-child a{border-bottom:none}
.submenu li a:hover{background:var(--surface);color:var(--steel)}

.nav-cta{display:flex;align-items:center;gap:10px;flex:none;padding-left:20px;border-left:1px solid var(--line);margin-left:8px}
.langsw{
  display:inline-flex;align-items:center;justify-content:center;
  height:42px;padding:0 13px;border:1px solid var(--line);border-radius:var(--radius);
  font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--ink-2);transition:.18s;
}
.langsw:hover{border-color:var(--steel);color:var(--steel);background:var(--steel-050)}
.burger{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:var(--radius);align-items:center;justify-content:center;flex:none}
.drawer{display:none;background:#fff;border-top:1px solid var(--line);padding:8px 0 20px;max-height:calc(100vh - 76px);overflow-y:auto}
.drawer.open{display:block}
.drawer a{display:block;padding:13px 0;font-size:16px;border-bottom:1px solid var(--line-2);color:var(--ink-2)}
.drawer .dsub a{padding:9px 0 9px 16px;font-size:14.5px;color:var(--ink-3)}
.drawer .btn{width:100%;margin-top:18px}
/* 抽屉底部工具条：语言切换 / 热线 */
.dfoot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:20px}
.dlang{
  display:inline-flex;align-items:center;justify-content:center;height:40px;padding:0 16px;
  border:1px solid var(--line);border-radius:var(--radius);
  font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--ink-2);
}
.dlang:hover{border-color:var(--steel);color:var(--steel);background:var(--steel-050)}
.dtel{
  display:inline-flex;align-items:center;height:40px;
  font-size:16px;font-weight:700;letter-spacing:.01em;color:var(--steel);
}
.dtel:hover{color:var(--amber-600)}

/* ==========================================================================
   首页 HERO
   ========================================================================== */
.hero{position:relative;background:var(--ink);color:#fff;overflow:hidden}
.hero-grid{
  position:absolute;inset:0;
  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:linear-gradient(105deg,#000 0%,#000 42%,transparent 78%);
  -webkit-mask-image:linear-gradient(105deg,#000 0%,#000 42%,transparent 78%);
}
.hero-glow{position:absolute;top:-30%;right:-8%;width:820px;height:820px;border-radius:50%;
  background:radial-gradient(circle,rgba(14,74,110,.75),rgba(11,27,43,0) 62%)}
.hero-art{position:absolute;top:50%;right:4%;transform:translateY(-50%);opacity:.5}
.hero .wrap{position:relative;z-index:2;display:grid;grid-template-columns:1fr 400px;gap:56px}
.hero-in{padding:128px 0 92px;max-width:730px}
.hero h1{margin-top:26px;font-size:clamp(34px,4.6vw,58px);font-weight:800;line-height:1.16;letter-spacing:-.03em;color:#fff}
.hero h1 em{font-style:normal;color:var(--amber)}
.hero-sub{margin-top:26px;font-size:17.5px;line-height:1.85;color:#B9C9D6;max-width:620px}
.hero-acts{display:flex;gap:14px;flex-wrap:wrap;margin-top:38px}
.hero-meta{display:flex;gap:36px;flex-wrap:wrap;margin-top:54px;padding-top:32px;border-top:1px solid rgba(255,255,255,.14)}
.hero-meta div b{display:block;font-size:26px;font-weight:800;letter-spacing:-.02em;color:#fff;line-height:1.2}
.hero-meta div span{font-size:13px;color:#8FA6B8}

.hero-card{
  align-self:end;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius);padding:28px 26px;backdrop-filter:blur(8px);margin-bottom:92px;
}
.hero-card .hc-tag{display:inline-block;background:var(--amber);color:#fff;font-size:11.5px;font-weight:700;padding:4px 10px;letter-spacing:.1em;border-radius:2px}
.hero-card h4{margin-top:16px;font-size:20px;color:#fff;line-height:1.4}
.hero-card p{margin-top:12px;font-size:14px;color:#A9BCD0;line-height:1.75}
.hero-card ul{margin-top:20px;padding-top:18px;border-top:1px solid rgba(255,255,255,.14)}
.hero-card li{display:flex;gap:10px;font-size:13.5px;color:#C3D2DF;padding:5px 0}
.hero-card li svg{flex:none;margin-top:6px;color:var(--amber)}

/* ---------------- 数据条 ---------------- */
.facts{background:var(--steel);color:#fff}
.facts-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.fact{padding:44px 32px;border-left:1px solid rgba(255,255,255,.16)}
.fact:first-child{border-left:none}
.fact b{display:block;font-size:clamp(30px,3.6vw,42px);font-weight:800;letter-spacing:-.03em;line-height:1.1}
.fact b i{font-style:normal;color:var(--amber);font-size:.6em;margin-left:2px}
.fact span{display:block;margin-top:8px;font-size:14px;color:#A8C4D8}

/* ---------------- 关于 ---------------- */
.about-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:76px;align-items:start}
.about-body p+p{margin-top:20px}
.pillars{display:grid;gap:2px;background:var(--line);border:1px solid var(--line)}
.pillar{background:#fff;padding:26px 28px}
.pillar b{display:block;font-size:16px;margin-bottom:8px}
.pillar span{font-size:14.5px;color:var(--ink-3);line-height:1.7}

/* ---------------- 企业文化 ---------------- */
.culture{background:var(--ink);color:#fff;position:relative;overflow:hidden}
.culture::before{content:"";position:absolute;left:-10%;bottom:-40%;width:700px;height:700px;border-radius:50%;
  background:radial-gradient(circle,rgba(232,145,45,.14),transparent 65%)}
.culture .wrap{position:relative;z-index:1}
.culture .sec-desc{color:#A5B8C9}
.culture h2{color:#fff}
.cv-3{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin-bottom:56px}
.cv{border-top:2px solid var(--amber);padding-top:24px}
.cv .k{font-size:12px;font-weight:700;letter-spacing:.18em;color:var(--amber);text-transform:uppercase}
.cv h3{margin-top:12px;font-size:22px;color:#fff}
.cv p{margin-top:12px;font-size:15px;color:#A5B8C9;line-height:1.8}
.values{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding-top:48px;border-top:1px solid rgba(255,255,255,.14)}
.value h4{font-size:17px;color:#fff;display:flex;align-items:center;gap:10px}
.value h4 i{font-style:normal;width:26px;height:26px;flex:none;border-radius:2px;background:rgba(232,145,45,.16);
  color:var(--amber);display:grid;place-items:center;font-size:12px;font-weight:700}
.value p{margin-top:10px;font-size:14px;color:#93A8BB;line-height:1.75}

/* ==========================================================================
   产品
   ========================================================================== */
.prod-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:2px;background:var(--line);border:1px solid var(--line)}
.prod{background:#fff;padding:38px 36px;display:flex;gap:26px;transition:background .25s ease}
.prod:hover{background:var(--surface)}
.prod-ico{width:64px;height:64px;flex:none;background:var(--steel-050);border-radius:var(--radius);display:grid;place-items:center;color:var(--steel)}
.prod-txt .en{font-size:12px;font-weight:700;letter-spacing:.16em;color:var(--ink-3);text-transform:uppercase;margin-bottom:10px}
.prod-txt h3{font-size:20px}
.prod-txt p{margin-top:12px;font-size:15px;color:var(--ink-2);line-height:1.8}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.tags span{font-size:12.5px;padding:5px 11px;background:var(--surface);border:1px solid var(--line);color:var(--ink-2);border-radius:2px}

/* 产品卡片（分类页 / 中心页） */
.pcards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.pcards--2{grid-template-columns:repeat(2,1fr)}
.pcard{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.pcard:hover{transform:translateY(-4px);box-shadow:0 18px 40px -20px rgba(11,27,43,.28);border-color:var(--steel)}
.pcard-vis{height:150px;position:relative;overflow:hidden;background:var(--steel-050);
  border-bottom:1px solid var(--line)}
.pcard-vis svg{position:absolute;inset:0;width:100%;height:100%}
.pcard-vis .vis-art{transition:transform .5s cubic-bezier(.2,.7,.3,1)}
.pcard:hover .vis-art{transform:scale(1.06)}
.pcard-vis .vis-bg{opacity:.9;transition:opacity .35s ease}
.pcard:hover .vis-bg{opacity:1}
.pcard-body{padding:24px 24px 26px;display:flex;flex-direction:column;flex:1}
.pcard-body .k{font-size:11.5px;font-weight:700;letter-spacing:.14em;color:var(--ink-3);text-transform:uppercase}
.pcard-body h3{margin-top:10px;font-size:19px}
.pcard-body p{margin-top:10px;font-size:14.5px;color:var(--ink-3);line-height:1.75;flex:1}
.pcard-body .tlink{margin-top:18px;font-size:14px}

/* ---------------- 行业 ---------------- */
.ind-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.ind{position:relative;display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.ind:hover{transform:translateY(-4px);box-shadow:0 18px 40px -20px rgba(11,27,43,.28);border-color:var(--steel)}
/* 整卡可点：标题链接铺满整卡（stretched link），卡内产品链接抬高层级仍可单独点击 */
a.ind{color:inherit}
.ind-link::after{content:"";position:absolute;inset:0;z-index:0}
.ind-body .checks,.ind-rel{position:relative;z-index:1}
.ind-vis{height:158px;position:relative;overflow:hidden;background:var(--steel-050);
  border-bottom:1px solid var(--line)}
.ind-vis svg{position:absolute;inset:0;width:100%;height:100%}
.ind-vis .vis-art{transition:transform .5s cubic-bezier(.2,.7,.3,1)}
.ind:hover .vis-art{transform:scale(1.06)}
.ind-body{padding:24px 24px 26px;display:flex;flex-direction:column;flex:1}
.ind-body h3{font-size:18px}
.ind-body p{margin-top:10px;font-size:14.5px;color:var(--ink-3);line-height:1.75}
.ind-body .tlink{margin-top:18px;font-size:14px}
/* 整卡链接时把「了解详情」推到卡片底部，卡片等高对齐 */
a.ind .ind-body .tlink{margin-top:auto;padding-top:18px}
.ind-rel{margin-top:18px;display:flex;flex-wrap:wrap;gap:10px 22px}

/* ---------------- 服务体系 ---------------- */
.steps{display:grid;grid-template-columns:repeat(6,1fr);border-top:2px solid var(--steel);margin-top:8px}
.step{padding:28px 22px 0;position:relative}
.step::before{content:"";position:absolute;top:-7px;left:22px;width:12px;height:12px;background:var(--amber);border-radius:50%}
.step .no{font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--amber-600)}
.step h4{margin-top:10px;font-size:16.5px}
.step p{margin-top:8px;font-size:14px;color:var(--ink-3);line-height:1.75}

/* ---------------- 合作伙伴 ---------------- */
.partner-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:72px;align-items:center}
.partner-box{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}
.partner-box .ph{background:var(--steel);color:#fff;padding:26px 30px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.partner-box .ph b{font-size:18px}
.partner-box .ph span{font-size:11.5px;letter-spacing:.14em;color:#A8C4D8;text-transform:uppercase}
.partner-box .pb{padding:26px 30px}
.plist li{display:flex;gap:14px;padding:14px 0;border-bottom:1px solid var(--line-2);font-size:15px;color:var(--ink-2)}
.plist li:last-child{border-bottom:none}
.plist li svg{flex:none;margin-top:6px;color:var(--amber)}
.plist li b{color:var(--ink);font-weight:600}
.partner-body h2{font-size:clamp(24px,3vw,34px)}
.partner-body .lead+.lead{margin-top:18px}
.certs{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;background:var(--line);border:1px solid var(--line);margin-top:36px}
.cert{background:#fff;padding:22px 20px;text-align:center}
.cert b{display:block;font-size:24px;font-weight:800;color:var(--steel);letter-spacing:-.02em}
.cert span{display:block;margin-top:6px;font-size:13px;color:var(--ink-3)}

/* ---------------- 时间轴 ---------------- */
.tl{border-left:2px solid var(--line);margin-left:8px}
.tl-item{position:relative;padding:0 0 34px 38px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{content:"";position:absolute;left:-9px;top:6px;width:16px;height:16px;border-radius:50%;background:#fff;border:3px solid var(--steel)}
.tl-item.hl::before{border-color:var(--amber);background:var(--amber)}
.tl-item .y{font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--amber-600)}
.tl-item h4{margin-top:6px;font-size:17px}
.tl-item p{margin-top:6px;font-size:14.5px;color:var(--ink-3);line-height:1.75}

/* ==========================================================================
   内页：面包屑 / 页首 / 内容
   ========================================================================== */
.crumbs{background:var(--surface);border-bottom:1px solid var(--line-2);font-size:13.5px}
.crumbs .wrap{display:flex;align-items:center;gap:10px;flex-wrap:wrap;height:52px;color:var(--ink-3)}
.crumbs a:hover{color:var(--steel)}
.crumbs .sep{color:#B8C6D2}

.phead{position:relative;background:var(--ink);color:#fff;overflow:hidden}
.phead-grid{position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:linear-gradient(100deg,#000,#000 40%,transparent 80%);
  -webkit-mask-image:linear-gradient(100deg,#000,#000 40%,transparent 80%)}
.phead-glow{position:absolute;top:-40%;right:-6%;width:640px;height:640px;border-radius:50%;
  background:radial-gradient(circle,rgba(14,74,110,.7),rgba(11,27,43,0) 62%)}
.phead .wrap{position:relative;z-index:2;padding:76px 40px 72px;max-width:900px}
.phead .cat{font-size:11.5px;font-weight:700;letter-spacing:.16em;color:#8FB6D1;text-transform:uppercase}
.phead h1{margin-top:18px;font-size:clamp(30px,4.2vw,50px);font-weight:800;letter-spacing:-.03em;color:#fff;line-height:1.18}
.phead .tag{margin-top:18px;font-size:19px;color:var(--amber);font-weight:600}
.phead .desc{margin-top:20px;font-size:17px;line-height:1.85;color:#B9C9D6;max-width:720px}
.phead-meta{margin-top:22px;font-size:14px;color:#8FB6D1;letter-spacing:.02em}
.phead-acts{display:flex;gap:12px;flex-wrap:wrap;margin-top:34px}

/* 页头板块锚点导航 */
.secnav{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.secnav-a{display:inline-flex;align-items:center;gap:9px;padding:9px 16px;border:1px solid rgba(255,255,255,.22);
  border-radius:var(--radius);color:#D6E3ED;font-size:13.5px;font-weight:600;text-decoration:none;
  background:rgba(255,255,255,.05);transition:background .2s,border-color .2s,color .2s}
.secnav-a:hover{background:rgba(255,255,255,.12);border-color:var(--amber);color:#fff}
.secnav-n{display:inline-block;min-width:19px;height:19px;line-height:19px;padding:0 5px;border-radius:10px;
  background:var(--amber);color:#0B1B2B;font-size:11.5px;font-weight:800;text-align:center}

/* 「查看全部」按钮行 */
.sec-more{display:flex;justify-content:center;margin-top:44px}
.sec-more-n{margin:0 4px;font-weight:800}

/* 通用两栏正文 */
.cols{display:grid;grid-template-columns:1.1fr .9fr;gap:72px;align-items:start}
.cols p+p{margin-top:20px}

/* 能力网格 */
.fgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;background:var(--line);border:1px solid var(--line)}
.fitem{background:#fff;padding:30px 28px}
.fitem .fi{width:44px;height:44px;background:var(--steel-050);border-radius:var(--radius);display:grid;place-items:center;color:var(--steel);margin-bottom:18px}
.fitem h3{font-size:17.5px}
.fitem p{margin-top:10px;font-size:14.5px;color:var(--ink-2);line-height:1.78}

/* 要点列表 */
.checks{display:grid;grid-template-columns:repeat(2,1fr);gap:16px 40px}
.checks li{display:flex;gap:13px;font-size:15.5px;color:var(--ink-2);line-height:1.75}
.checks li svg{flex:none;margin-top:6px;color:var(--amber)}
.checks li b{color:var(--ink);font-weight:600}

/* 规格表 */
.spectable{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.spectable .row{display:grid;grid-template-columns:220px 1fr;border-bottom:1px solid var(--line-2);background:#fff}
.spectable .row:last-child{border-bottom:none}
.spectable .row>div{padding:16px 24px;font-size:15px}
.spectable .row>div:first-child{background:var(--surface);font-weight:600;color:var(--ink-2)}
.spectable .row>div:last-child{color:var(--ink-2);line-height:1.75}

/* 模块列表 */
.mods{display:grid;grid-template-columns:repeat(2,1fr);gap:2px;background:var(--line);border:1px solid var(--line)}
.mod{background:#fff;padding:22px 24px;display:flex;gap:16px;align-items:flex-start}
.mod .mi{width:8px;height:8px;flex:none;background:var(--amber);margin-top:9px}
.mod b{display:block;font-size:15.5px}
.mod span{display:block;margin-top:5px;font-size:14px;color:var(--ink-3);line-height:1.7}

/* CTA 条 */
.ctabar{background:var(--steel);color:#fff}
.ctabar .wrap{display:flex;align-items:center;justify-content:space-between;gap:40px;padding-top:60px;padding-bottom:60px;flex-wrap:wrap}
.ctabar h2{font-size:clamp(22px,2.8vw,32px);color:#fff}
.ctabar p{margin-top:12px;font-size:16px;color:#A8C4D8;max-width:560px}
.ctabar .acts{display:flex;gap:12px;flex-wrap:wrap;flex:none}

/* ---------------- 联系我们 ---------------- */
.contact{background:var(--steel);color:#fff}
.contact h2{color:#fff}
.contact .sec-desc{color:#A8C4D8}
.ct-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
.ct-list li{display:flex;gap:18px;padding:20px 0;border-bottom:1px solid rgba(255,255,255,.16)}
.ct-list li:first-child{padding-top:0}
.ct-list .ic{width:40px;height:40px;flex:none;border:1px solid rgba(255,255,255,.24);border-radius:var(--radius);display:grid;place-items:center;color:var(--amber)}
.ct-list .k{font-size:12.5px;letter-spacing:.12em;color:#8FB6D1;text-transform:uppercase}
.ct-list .v{margin-top:4px;font-size:16px;color:#fff;line-height:1.6}
.ct-list .v a:hover{color:var(--amber)}
.ct-form{background:#fff;border-radius:var(--radius);padding:34px 32px;color:var(--ink)}
.ct-form h3{font-size:20px;margin-bottom:6px}
.ct-form .sub{font-size:14px;color:var(--ink-3);margin-bottom:24px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--ink-2);margin-bottom:7px}
.field input,.field textarea,.field select{
  width:100%;font-family:inherit;font-size:14.5px;color:var(--ink);
  padding:11px 13px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;
  transition:border-color .18s,box-shadow .18s;
}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--steel);box-shadow:0 0 0 3px var(--steel-050)}
.field textarea{resize:vertical;min-height:92px}
.ct-form .btn{width:100%;margin-top:6px}
.form-note{margin-top:14px;font-size:12.5px;color:var(--ink-3);text-align:center;line-height:1.6}

/* ==========================================================================
   页脚
   ========================================================================== */
footer{background:#071522;color:#8296A8;font-size:14px;padding:72px 0 28px}
.f-top{display:grid;grid-template-columns:1.7fr repeat(4,1fr);gap:40px;padding-bottom:44px;border-bottom:1px solid #16293A}
.f-brand .brand{margin-bottom:18px}
.f-brand .brand-mark{
  width:50px;height:50px;
  --mk-at:#F7BB7C;--mk-am:#E8912D;
  --mk-st:#7CB2D1;--mk-sm:#5895BA;--mk-sd:#3B7BA3;
}
.f-brand .brand-l1{color:#fff;font-size:21px}
.f-brand .brand-cn{color:#C3D2DE}
.f-brand .brand-sep{background:#2C465C;height:17px}
.f-brand .brand-l2{color:#5F7A8F;letter-spacing:.12em;font-size:9.5px}
.f-brand p{color:#8296A8;line-height:1.8;max-width:300px;font-size:13.5px}
footer h5{color:#fff;font-size:13.5px;font-weight:700;letter-spacing:.06em;margin-bottom:18px}
footer li{margin-bottom:11px}
footer li a{color:#8296A8;transition:color .18s}
footer li a:hover{color:var(--amber)}
.f-bot{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:26px;font-size:12.5px;color:#5B7A8F;line-height:1.7}
.f-bot .tm{max-width:780px}
.f-bot .icp{color:inherit;text-decoration:none;white-space:nowrap;border-bottom:1px solid transparent;transition:.18s}
.f-bot .icp:hover{color:#8FB6CF;border-bottom-color:currentColor}

/* ==========================================================================
   全局检索
   ========================================================================== */
.sbtn{
  display:inline-flex;align-items:center;gap:8px;height:42px;padding:0 14px;
  border:1px solid var(--line);border-radius:var(--radius);
  color:var(--ink-2);font-size:14px;transition:.18s;
}
.sbtn:hover{border-color:var(--steel);color:var(--steel);background:var(--steel-050)}
.sbtn-t{max-width:0;overflow:hidden;white-space:nowrap;transition:max-width .25s ease}
@media(min-width:1320px){.sbtn-t{max-width:80px}}

.dsearch{
  display:flex;align-items:center;gap:10px;width:100%;margin:6px 0 4px;
  padding:12px 14px;border:1px solid var(--line);border-radius:var(--radius);
  background:var(--surface);color:var(--ink-3);font-size:15px;text-align:left;
}
.dsearch:hover{border-color:var(--steel);color:var(--steel)}

.smask{
  position:fixed;inset:0;z-index:200;
  background:rgba(11,27,43,.42);backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px);
  display:flex;align-items:flex-start;justify-content:center;
  padding:11vh 22px 40px;
  opacity:0;visibility:hidden;transition:opacity .2s ease,visibility .2s;
}
.smask.open{opacity:1;visibility:visible}
.sbox{
  width:100%;max-width:720px;background:#fff;border-radius:var(--radius);
  box-shadow:0 40px 90px -30px rgba(11,27,43,.5);
  border-top:3px solid var(--steel);
  transform:translateY(-10px);transition:transform .22s cubic-bezier(.2,.7,.3,1);
  overflow:hidden;display:flex;flex-direction:column;max-height:76vh;
}
.smask.open .sbox{transform:none}

.sfield{display:flex;align-items:center;gap:12px;padding:16px 18px;border-bottom:1px solid var(--line);flex:none}
.sfield svg{color:var(--ink-3);flex:none}
.sfield input{
  flex:1;min-width:0;border:none;outline:none;background:none;
  font-family:inherit;font-size:17px;color:var(--ink);padding:2px 0;
}
.sfield input::placeholder{color:var(--ink-3)}
.sclose{
  flex:none;font-size:11px;font-weight:700;letter-spacing:.06em;color:var(--ink-3);
  border:1px solid var(--line);border-radius:var(--radius);padding:5px 9px;transition:.18s;
}
.sclose:hover{border-color:var(--steel);color:var(--steel)}

.sbody{overflow-y:auto;padding:8px 0 12px;-webkit-overflow-scrolling:touch}
.scount{padding:10px 18px 6px;font-size:12px;color:var(--ink-3);letter-spacing:.04em}
.slist{list-style:none;margin:0;padding:0}
.sitem{
  display:flex;align-items:flex-start;gap:12px;padding:12px 18px;
  border-left:3px solid transparent;cursor:pointer;transition:background .14s,border-color .14s;
}
.sitem.on{background:var(--steel-050);border-left-color:var(--amber)}
.sitem .sarw{margin-left:auto;margin-top:4px;color:var(--ink-3);flex:none;opacity:0;transition:opacity .14s}
.sitem.on .sarw{opacity:1;color:var(--steel)}
.stxt{min-width:0;display:block}
.stxt b{display:block;font-size:15.5px;font-weight:600;color:var(--ink);line-height:1.5}
.stxt .sctx{display:block;font-size:11.5px;letter-spacing:.08em;color:var(--steel);margin-top:3px}
.stxt em{
  display:block;font-style:normal;font-size:13px;color:var(--ink-3);line-height:1.6;margin-top:2px;
  overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
}
.sitem mark{background:var(--amber-050);color:var(--amber-600);padding:0 1px;border-radius:2px;font-weight:600}

.sbadge{
  flex:none;display:inline-block;margin-top:3px;padding:3px 7px;border-radius:2px;
  font-size:11px;font-weight:700;letter-spacing:.04em;color:#fff;background:var(--ink-3);
}
.sb-product{background:var(--steel)}
.sb-cat{background:#3E7CA0}
.sb-ind{background:var(--amber-600)}
.sb-page{background:#8A9AA9}

.shot{padding:16px 18px 6px}
.shot>span{display:block;font-size:11.5px;letter-spacing:.1em;color:var(--ink-3);margin-bottom:12px}
.hw{display:flex;flex-wrap:wrap;gap:8px}
.hw-b{
  padding:7px 13px;border:1px solid var(--line);border-radius:var(--radius);
  background:var(--surface);font-size:13.5px;color:var(--ink-2);transition:.18s;
}
.hw-b:hover{border-color:var(--steel);color:var(--steel);background:var(--steel-050)}
.shint{margin:16px 0 0;padding-top:14px;border-top:1px solid var(--line-2);font-size:12.5px;color:var(--ink-3)}

.snone{padding:34px 18px 30px;text-align:center}
.snone b{display:block;font-size:16px;color:var(--ink)}
.snone p{margin:8px 0 20px;font-size:13.5px;color:var(--ink-3)}

.sfoot{
  flex:none;padding:11px 18px;border-top:1px solid var(--line);background:var(--surface);
  font-size:11.5px;color:var(--ink-3);letter-spacing:.04em;
}
@media(max-width:820px){
  .smask{padding:0}
  .sbox{max-height:100vh;height:100vh;border-radius:0}
  .sfoot{display:none}
}
@media (prefers-reduced-motion:reduce){
  .smask,.sbox{transition:none}
}

/* ==========================================================================
   进场动画
   ========================================================================== */
.rv{opacity:0;transform:translateY(20px);transition:opacity .7s cubic-bezier(.2,.7,.3,1),transform .7s cubic-bezier(.2,.7,.3,1)}
.rv.in{opacity:1;transform:none}

/* ==========================================================================
   响应式：平板 / 手机
   ========================================================================== */
/* 锚点跳转时避开吸顶导航 */
[id]{scroll-margin-top:96px}
/* 抽屉展开时锁定页面滚动 */
body.nav-open{overflow:hidden}

/* ---- 移动端基础加固 ---- */
/* 可点击元素的最小触控尺寸（移动端可用性） */
@media (hover:none) and (pointer:coarse){
  .nav-links>li>a,.drawer a,.langsw,.burger,.sbtn,.btn{min-height:44px}
  .drawer a,.drawer .dsub a{display:flex;align-items:center}
}
/* 长英文单词 / 型号在窄屏断行，不撑破容器 */
.plist li,.checks li,.mod,.fitem,.pillar,.pcard-body,.ind-body,.sresult,.fact{
  overflow-wrap:break-word;word-break:break-word;
}

@media(max-width:1240px){
  .brand-l2{display:none}
}
@media(max-width:1180px){
  .nav-links{display:none}
  .burger{display:flex}
  .brand-l2{display:block}
}
@media(max-width:1100px){
  .hero .wrap{grid-template-columns:1fr}
  .hero-art{display:none}
  .hero-in{padding:96px 0 72px}
  .hero-card{align-self:start;margin-bottom:0}
  .about-grid,.partner-grid,.ct-grid,.cols{grid-template-columns:1fr;gap:48px}
  .ind-grid{grid-template-columns:repeat(2,1fr)}
  .pcards{grid-template-columns:repeat(2,1fr)}
  .cv-3{grid-template-columns:1fr;gap:28px}
  .values{grid-template-columns:repeat(2,1fr)}
  .f-top{grid-template-columns:1fr 1fr}
  .fgrid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:980px){
  .hero-card{padding:24px 22px}
  .pcards,.pcards--2{gap:18px}
  .ind-grid{gap:18px}
  .about-grid,.partner-grid,.ct-grid,.cols{gap:40px}
  .sec-head{margin-bottom:40px}
}
@media(max-width:900px){
  .nav-in{height:68px}
  .nav-cta{padding-left:10px}
}
@media(max-width:820px){
  .wrap{padding:0 20px}
  .phead .wrap{padding:52px 20px 48px}
  .sec{padding:64px 0}
  .sec-head{margin-bottom:36px}
  .lead,.sec-desc{font-size:16px}
  .topbar-l span:not(:first-child){display:none}
  .topbar .wrap{height:auto;min-height:34px;padding:7px 0;gap:12px}
  .prod-grid,.pcards,.pcards--2,.checks,.mods{grid-template-columns:1fr}
  .ind-grid{grid-template-columns:1fr;max-width:460px}
  .facts-grid{grid-template-columns:1fr 1fr}
  .fact{border-left:none;border-top:1px solid rgba(255,255,255,.16);padding:30px 22px}
  .fact:nth-child(-n+2){border-top:none}
  .steps{grid-template-columns:1fr 1fr;border-top:none}
  .step{border-top:2px solid var(--line);padding-top:24px}
  .certs{grid-template-columns:1fr}
  .f-top{grid-template-columns:1fr;gap:32px}
  .prod{flex-direction:column;gap:18px}
  .prod-ico{width:52px;height:52px}
  .fgrid{grid-template-columns:1fr}
  .spectable .row{grid-template-columns:1fr}
  .spectable .row>div:first-child{padding-bottom:0}
  .ctabar .wrap{flex-direction:column;align-items:flex-start;gap:24px}
  .nav-cta{padding-left:12px;margin-left:4px;gap:8px}
  .nav-cta>.btn{display:none}
  .sbtn{padding:0 11px}
  .nav-in{height:64px}
  .crumbs .wrap{height:auto;min-height:0;padding:12px 0;gap:8px;line-height:1.5}
  .hero-in{padding:72px 0 56px}
  .hero-sub{font-size:16.5px}
  .hero-acts{margin-top:30px}
  .hero-meta{margin-top:40px;padding-top:26px;gap:26px}
  .pcard-vis{height:132px}
  .ind-vis{height:136px}
  .ct-form{padding:26px 22px}
  .btn{height:48px}
  .drawer a{padding:14px 0}
  .sitem{padding:14px 16px}
  /* iOS 聚焦时不自动放大：表单字号 >= 16px */
  .field input,.field textarea,.field select,.sfield input{font-size:16px}
}
@media(max-width:640px){
  .wrap{padding:0 18px}
  .phead .wrap{padding:46px 18px 44px}
  .nav-in{height:62px;gap:10px}
  .sbtn{display:none}          /* 搜索入口移至抽屉内的搜索条 */
  .brand-l2{display:none}      /* 集团英文全名过长，小屏收起 */
  .sec{padding:56px 0}
  .hero-in{padding:64px 0 50px}
  .hero-meta{gap:18px 26px}
  .fact{padding:24px 18px}
  .steps{grid-template-columns:1fr}
  .spectable .row>div{padding:14px 18px}
  .f-top{gap:28px}
  .ct-list li{gap:14px}
  .ct-list .ic{width:36px;height:36px}
  .checks li,.plist li{font-size:15px}
}
@media(max-width:520px){
  .wrap{padding:0 16px}
  .phead .wrap{padding:42px 16px 40px}
  .hero-in{padding:56px 0 46px}
  .hero h1{font-size:31px;letter-spacing:-.02em}
  .hero-meta div b{font-size:21px}
  .values{grid-template-columns:1fr}
  .hero-acts .btn,.phead-acts .btn{width:100%}
  .brand{gap:9px}
  .brand-mark{width:34px;height:34px}
  .brand-l1{font-size:16.5px;letter-spacing:.06em}
  .brand-cn{font-size:12.5px}
  .brand-row{gap:7px}
  .fact{padding:22px 16px}
  .fact b{font-size:28px}
  .pcard-body{padding:20px 18px 22px}
  .ind-body{padding:20px 18px 22px}
  .prod{padding:28px 20px}
  .fitem,.pillar,.mod{padding:20px 18px}
  .ct-form{padding:22px 18px}
  .sfield{padding:13px 14px}
  .hw-b{padding:6px 11px;font-size:13px}
  .f-bot{flex-direction:column;gap:10px}
  .f-bot .tm{max-width:none}
  .secnav-a{padding:8px 13px;font-size:13px}
}
@media(max-width:380px){
  .topbar{display:none}
  .brand-cn,.brand-sep{display:none}
  .hero-meta{flex-direction:column;gap:14px}
}

/* --------------------------------------------------------------------------
   刘海屏 / 手势条安全区
   置于所有断点之后，确保不被前面的 .wrap padding 覆盖；
   max() 保证「栅格留白」与「安全区」取较大值，非刘海机型等于原值。
   -------------------------------------------------------------------------- */
@supports (padding:max(0px)){
  .wrap{
    padding-left:max(40px, env(safe-area-inset-left));
    padding-right:max(40px, env(safe-area-inset-right));
  }
  @media(max-width:820px){
    .wrap{
      padding-left:max(20px, env(safe-area-inset-left));
      padding-right:max(20px, env(safe-area-inset-right));
    }
    .phead .wrap{
      padding-left:max(20px, env(safe-area-inset-left));
      padding-right:max(20px, env(safe-area-inset-right));
    }
  }
  @media(max-width:640px){
    .wrap{
      padding-left:max(18px, env(safe-area-inset-left));
      padding-right:max(18px, env(safe-area-inset-right));
    }
  }
  @media(max-width:520px){
    .wrap{
      padding-left:max(16px, env(safe-area-inset-left));
      padding-right:max(16px, env(safe-area-inset-right));
    }
    .phead .wrap{
      padding-left:max(16px, env(safe-area-inset-left));
      padding-right:max(16px, env(safe-area-inset-right));
    }
  }
  /* 底部 CTA 条避开 iPhone 手势条 */
  .ctabar{padding-bottom:env(safe-area-inset-bottom)}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  .rv{opacity:1;transform:none}
}