/* ============================================================
   TWSC 德明利官网 · 核心样式
   风格：大气专业 / 灰白蓝科技风 / 响应式
   ============================================================ */

:root{
  /* 主色 */
  --c-ink:#0A1A33;        /* 深墨蓝 - 标题 */
  --c-navy:#0E2A5C;       /* 主品牌深蓝 */
  --c-blue:#1E6BFF;       /* 亮蓝强调 */
  --c-blue-2:#3B82F6;     /* 辅助蓝 */
  --c-cyan:#22D3EE;       /* 青蓝点缀 */
  --c-gold:#F5A623;       /* 数据高亮 */
  /* 中性 */
  --c-bg:#F7F9FC;         /* 页面底 */
  --c-bg-2:#EEF3FA;       /* 次底 */
  --c-card:#FFFFFF;
  --c-line:#E3E9F2;
  --c-text:#3A4A63;       /* 正文 */
  --c-text-2:#6B7A93;     /* 次正文 */
  --c-text-3:#9AA8BD;     /* 弱 */
  /* 深色区块 */
  --c-dark:#0A1A33;
  --c-dark-2:#0E2A5C;
  /* 字体 */
  --f-sans:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
  --f-en:"Inter","Helvetica Neue",Arial,sans-serif;
  /* 阴影 */
  --sh-sm:0 1px 3px rgba(14,42,92,.06),0 1px 2px rgba(14,42,92,.04);
  --sh:0 6px 24px rgba(14,42,92,.08);
  --sh-lg:0 18px 48px rgba(14,42,92,.14);
  /* 圆角 */
  --r:10px; --r-lg:18px; --r-xl:26px;
  /* 容器 */
  --w:1240px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--f-sans);
  color:var(--c-text);
  background:var(--c-bg);
  line-height:1.75;
  font-size:15px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}

/* ---- 双语切换 ---- */
body.lang-zh .en{display:none !important}
body.lang-en .zh{display:none !important}
body.lang-en{font-family:var(--f-en)}
body.lang-en .font-cn{font-family:var(--f-en)}

/* 容器 */
.wrap{max-width:var(--w);margin:0 auto;padding:0 28px}
.section{padding:96px 0}
.section.sm{padding:64px 0}

/* 通用标题 */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;
  color:var(--c-blue);
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--c-blue);border-radius:2px}
.h2{
  font-size:clamp(26px,3.4vw,40px);font-weight:800;color:var(--c-ink);
  line-height:1.25;letter-spacing:-.01em;margin:18px 0 14px;
}
.h2 .accent{color:var(--c-blue)}
.lead{font-size:17px;color:var(--c-text-2);max-width:760px;line-height:1.8}
.center{text-align:center}
.center .lead{margin:0 auto}
.sec-head{margin-bottom:54px}
.center .eyebrow::before{display:none}
.center .eyebrow{justify-content:center}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;gap:9px;
  padding:13px 28px;border-radius:40px;font-weight:600;font-size:15px;
  cursor:pointer;border:1px solid transparent;transition:.28s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:linear-gradient(120deg,var(--c-blue),var(--c-blue-2));color:#fff;box-shadow:0 8px 22px rgba(30,107,255,.32)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(30,107,255,.42)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.5);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn-dark{background:var(--c-ink);color:#fff}
.btn-dark:hover{background:var(--c-navy);transform:translateY(-2px)}
.btn-line{background:transparent;border-color:var(--c-line);color:var(--c-ink)}
.btn-line:hover{border-color:var(--c-blue);color:var(--c-blue)}
.btn .arr{transition:transform .28s var(--ease)}
.btn:hover .arr{transform:translateX(4px)}

/* ============ HEADER ============ */
.site-head{
  position:fixed;top:0;left:0;right:0;z-index:100;
  transition:.35s var(--ease);
  background:rgba(255,255,255,0);
}
.site-head.scrolled{background:rgba(255,255,255,.92);backdrop-filter:blur(14px);box-shadow:0 1px 0 var(--c-line),0 6px 20px rgba(14,42,92,.06)}
.head-inner{display:flex;align-items:center;height:72px;gap:38px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  width:42px;height:42px;border-radius:11px;
  background:linear-gradient(135deg,var(--c-blue),var(--c-navy));
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:800;font-size:18px;letter-spacing:.02em;
  box-shadow:0 6px 16px rgba(30,107,255,.35);
}
.brand-txt b{display:block;font-size:19px;font-weight:800;color:var(--c-ink);line-height:1.1;letter-spacing:.01em}
.brand-txt span{display:block;font-size:11px;color:var(--c-text-2);letter-spacing:.14em;text-transform:uppercase;margin-top:2px}
.site-head:not(.scrolled) .brand-txt b{color:#fff}
.site-head:not(.scrolled) .brand-txt span{color:rgba(255,255,255,.7)}
.site-logo{max-height:42px;width:auto;display:block}

.nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav a{
  position:relative;padding:8px 15px;font-size:15px;font-weight:500;color:#fff;
  transition:color .25s;
}
.site-head.scrolled .nav a{color:var(--c-text)}
.nav a::after{content:"";position:absolute;left:15px;right:15px;bottom:2px;height:2px;background:var(--c-blue);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease);border-radius:2px}
.nav a:hover::after,.nav a.active::after{transform:scaleX(1)}
.nav a:hover{color:var(--c-blue)}
.site-head.scrolled .nav a:hover{color:var(--c-blue)}

.head-right{display:flex;align-items:center;gap:14px;margin-left:18px}
.lang-toggle{
  display:flex;align-items:center;gap:7px;padding:7px 14px;border-radius:30px;
  border:1px solid rgba(255,255,255,.4);font-size:13px;font-weight:600;color:#fff;
  cursor:pointer;transition:.25s;background:rgba(255,255,255,.06);
}
.site-head.scrolled .lang-toggle{border-color:var(--c-line);color:var(--c-ink);background:#fff}
.lang-toggle:hover{border-color:var(--c-blue);color:var(--c-blue)}
.lang-toggle .dot{width:7px;height:7px;border-radius:50%;background:var(--c-cyan)}
.head-cta{display:inline-flex}
.site-head:not(.scrolled) .btn-dark{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.3)}
.site-head:not(.scrolled) .btn-dark:hover{background:#fff;color:var(--c-ink)}

.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}
.burger span{width:24px;height:2px;background:#fff;border-radius:2px;transition:.3s}
.site-head.scrolled .burger span{background:var(--c-ink)}

/* 移动端抽屉 */
.mobile-nav{
  position:fixed;inset:0;z-index:99;background:rgba(10,26,51,.5);backdrop-filter:blur(4px);
  opacity:0;visibility:hidden;transition:.3s;
}
.mobile-nav.open{opacity:1;visibility:visible}
.mobile-panel{
  position:absolute;top:0;right:0;width:min(82vw,360px);height:100%;background:#fff;
  padding:84px 30px 40px;transform:translateX(100%);transition:transform .35s var(--ease);
  overflow-y:auto;
}
.mobile-nav.open .mobile-panel{transform:translateX(0)}
.mobile-panel a{display:block;padding:14px 0;font-size:17px;font-weight:600;color:var(--c-ink);border-bottom:1px solid var(--c-line)}
.mobile-panel a:hover{color:var(--c-blue)}
.mobile-panel .m-lang{margin-top:22px;display:flex;gap:10px}
.mobile-panel .m-lang button{flex:1;padding:11px;border-radius:10px;border:1px solid var(--c-line);background:#fff;font-weight:600;cursor:pointer}
.mobile-panel .m-lang button.on{background:var(--c-blue);color:#fff;border-color:var(--c-blue)}

/* ============ HERO ============ */
.hero{
  position:relative;min-height:100vh;display:flex;align-items:center;
  background:linear-gradient(135deg,#06122B 0%,#0E2A5C 55%,#0A1A33 100%);
  color:#fff;overflow:hidden;padding-top:72px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(59,130,246,.08) 1px,transparent 1px),
    linear-gradient(90deg,rgba(59,130,246,.08) 1px,transparent 1px);
  background-size:54px 54px;
  mask-image:radial-gradient(ellipse 80% 70% at 70% 40%,#000 30%,transparent 75%);
}
.hero::after{
  content:"";position:absolute;right:-10%;top:-20%;width:60vw;height:60vw;max-width:780px;max-height:780px;
  background:radial-gradient(circle,rgba(34,211,238,.22),transparent 62%);
  filter:blur(8px);
}
.hero-glow{position:absolute;left:-8%;bottom:-25%;width:50vw;height:50vw;max-width:620px;max-height:620px;background:radial-gradient(circle,rgba(30,107,255,.3),transparent 60%);filter:blur(10px)}
.hero-inner{position:relative;z-index:2;padding:40px 0}
.hero .eyebrow{color:var(--c-cyan)}
.hero .eyebrow::before{background:var(--c-cyan)}
.hero h1{
  font-size:clamp(34px,5.6vw,68px);font-weight:800;line-height:1.12;letter-spacing:-.02em;
  margin:22px 0 10px;
}
.hero h1 .grad{background:linear-gradient(120deg,#fff 30%,var(--c-cyan));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .h1-sub{font-size:clamp(18px,2.2vw,24px);font-weight:500;color:rgba(255,255,255,.82);margin-bottom:8px;letter-spacing:.02em}
.hero .hero-desc{font-size:17px;color:rgba(255,255,255,.7);max-width:560px;margin:18px 0 36px;line-height:1.85}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:54px}
.hero-stats{display:flex;gap:42px;flex-wrap:wrap;padding-top:30px;border-top:1px solid rgba(255,255,255,.14)}
.hero-stat b{font-size:clamp(26px,3vw,38px);font-weight:800;color:#fff;line-height:1;font-family:var(--f-en)}
.hero-stat b .u{font-size:.5em;font-weight:600;color:var(--c-cyan);margin-left:3px}
.hero-stat span{display:block;font-size:13px;color:rgba(255,255,255,.62);margin-top:8px;letter-spacing:.04em}
.hero-stock{
  position:absolute;top:88px;right:28px;z-index:3;text-align:right;
  font-size:12px;color:rgba(255,255,255,.6);letter-spacing:.1em;
}
.hero-stock b{display:block;font-size:22px;color:var(--c-cyan);font-weight:800;font-family:var(--f-en);letter-spacing:0;margin-top:2px}
.scroll-hint{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);z-index:3;color:rgba(255,255,255,.5);font-size:12px;letter-spacing:.2em;display:flex;flex-direction:column;align-items:center;gap:8px}
.scroll-hint .line{width:1px;height:34px;background:linear-gradient(rgba(255,255,255,.6),transparent);animation:scrolldown 1.8s infinite}
@keyframes scrolldown{0%{transform:scaleY(0);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}50.1%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* ============ 通用区块 ============ */
.tint{background:var(--c-bg-2)}
.dark-sec{background:linear-gradient(160deg,#0A1A33,#0E2A5C);color:#fff}
.dark-sec .h2{color:#fff}
.dark-sec .lead{color:rgba(255,255,255,.72)}
.dark-sec .eyebrow{color:var(--c-cyan)}
.dark-sec .eyebrow::before{background:var(--c-cyan)}

/* 数据条 */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:30px 26px;transition:.3s var(--ease);position:relative;overflow:hidden;
}
.stat-card::before{content:"";position:absolute;left:0;top:0;height:3px;width:100%;background:linear-gradient(90deg,var(--c-blue),var(--c-cyan));transform:scaleX(0);transform-origin:left;transition:transform .4s var(--ease)}
.stat-card:hover{transform:translateY(-5px);box-shadow:var(--sh-lg);border-color:transparent}
.stat-card:hover::before{transform:scaleX(1)}
.stat-card .num{font-size:38px;font-weight:800;color:var(--c-ink);line-height:1;font-family:var(--f-en)}
.stat-card .num .u{font-size:.46em;color:var(--c-blue);font-weight:700;margin-left:3px}
.stat-card .num .plus{color:var(--c-blue)}
.stat-card .lab{margin-top:11px;font-size:14px;color:var(--c-text-2);font-weight:500}

/* 卡片网格 */
.grid{display:grid;gap:26px}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}

.card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:34px 30px;transition:.32s var(--ease);position:relative;overflow:hidden;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--sh-lg);border-color:rgba(30,107,255,.3)}
.card-ico{
  width:54px;height:54px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(30,107,255,.12),rgba(34,211,238,.12));color:var(--c-blue);
  margin-bottom:20px;
}
.card-ico svg{width:28px;height:28px}
.card h3{font-size:19px;font-weight:700;color:var(--c-ink);margin-bottom:11px;line-height:1.3}
.card p{font-size:14.5px;color:var(--c-text-2);line-height:1.8}
.card .more{display:inline-flex;align-items:center;gap:6px;margin-top:18px;font-size:14px;font-weight:600;color:var(--c-blue)}
.card .more .arr{transition:transform .25s}
.card:hover .more .arr{transform:translateX(4px)}

/* ============ 全栈能力链 ============ */
.chain{display:flex;gap:0;flex-wrap:wrap;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--c-line)}
.chain-step{flex:1;min-width:140px;padding:26px 20px;background:var(--c-card);position:relative;text-align:center;transition:.3s}
.chain-step:not(:last-child){border-right:1px solid var(--c-line)}
.chain-step:hover{background:linear-gradient(180deg,#fff,var(--c-bg-2))}
.chain-step .n{font-size:12px;font-weight:700;color:var(--c-blue);letter-spacing:.1em}
.chain-step .t{font-size:15px;font-weight:600;color:var(--c-ink);margin-top:8px}
.chain-step:not(:last-child)::after{content:"";position:absolute;right:-7px;top:50%;transform:translateY(-50%);width:14px;height:14px;background:var(--c-card);border-top:1px solid var(--c-line);border-right:1px solid var(--c-line);rotate:45deg;z-index:2}

/* ============ 产品线 ============ */
.pl-tab{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:34px}
.pl-tab button{
  padding:11px 24px;border-radius:30px;border:1px solid var(--c-line);background:#fff;
  font-size:15px;font-weight:600;color:var(--c-text);cursor:pointer;transition:.25s;
}
.pl-tab button.on,.pl-tab button:hover{background:var(--c-blue);color:#fff;border-color:var(--c-blue);box-shadow:0 6px 16px rgba(30,107,255,.28)}
.pl-panels{position:relative}
.pl-panel{display:none;animation:fadeUp .5s var(--ease)}
.pl-panel.on{display:block}
.pl-layout{display:grid;grid-template-columns:1fr 1.05fr;gap:50px;align-items:center}
.pl-visual{
  background:#f4f6f8;border:1px solid #e8ecf1;border-radius:var(--r-xl);
  padding:24px;min-height:420px;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;
}
.pl-visual::before{display:none}
.pl-visual img{
  position:relative;z-index:2;max-height:380px;max-width:100%;width:auto;height:auto;object-fit:contain;border-radius:12px;
  background:transparent;padding:0;box-shadow:none;transition:transform .35s ease;
}
.pl-visual:hover img{transform:scale(1.03)}
.pl-visual .img-landscape{
  width:100%;height:100%;max-height:none;max-width:none;object-fit:cover;object-position:center 45%;border-radius:12px;
}
.pl-panel .img-wide{max-height:340px}
.pl-visual .img-wide{max-height:240px}
.img-cover{width:100%;height:100%;object-fit:cover;border-radius:var(--r-lg);display:block}
.pl-info h3{font-size:27px;font-weight:800;color:var(--c-ink);margin-bottom:6px}
.pl-info .tag{display:inline-block;padding:5px 14px;border-radius:20px;background:rgba(30,107,255,.1);color:var(--c-blue);font-size:13px;font-weight:600;margin-bottom:18px}
.pl-info p{color:var(--c-text-2);line-height:1.85;margin-bottom:20px}
.specs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px}
.specs li{padding:8px 16px;background:var(--c-bg-2);border-radius:8px;font-size:13.5px;color:var(--c-text);font-weight:500;border:1px solid var(--c-line)}

/* ============ 场景卡 ============ */
.scene-card{
  position:relative;border-radius:var(--r-lg);overflow:hidden;min-height:340px;
  background:linear-gradient(160deg,#0E2A5C,#0A1A33);color:#fff;padding:34px;
  display:flex;flex-direction:column;justify-content:flex-end;transition:.35s var(--ease);
}
.scene-card:hover{transform:translateY(-6px);box-shadow:var(--sh-lg)}
.scene-card .bg{position:absolute;inset:0;opacity:.5}
.scene-card .ico{position:absolute;top:30px;right:30px;width:48px;height:48px;color:var(--c-cyan);opacity:.85}
.scene-card h3{font-size:22px;font-weight:700;position:relative;z-index:2}
.scene-card .sub{font-size:13px;color:var(--c-cyan);letter-spacing:.08em;margin-bottom:10px;position:relative;z-index:2;font-weight:600}
.scene-card .tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;position:relative;z-index:2}
.scene-card .tags span{padding:5px 12px;border-radius:16px;background:rgba(255,255,255,.12);font-size:12.5px;border:1px solid rgba(255,255,255,.16)}
.scene-card .ft{display:flex;flex-wrap:wrap;gap:14px;margin-top:18px;position:relative;z-index:2}
.scene-card .ft span{font-size:13px;color:rgba(255,255,255,.8);display:flex;align-items:center;gap:6px}
.scene-card .ft span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-cyan)}

/* ============ 时间轴 ============ */
.timeline{position:relative;padding-left:8px}
.timeline::before{content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;background:linear-gradient(var(--c-blue),var(--c-cyan))}
.tl-item{position:relative;padding:0 0 42px 38px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{content:"";position:absolute;left:0;top:4px;width:16px;height:16px;border-radius:50%;background:#fff;border:3px solid var(--c-blue);box-shadow:0 0 0 4px rgba(30,107,255,.14)}
.tl-item .yr{font-size:15px;font-weight:800;color:var(--c-blue);font-family:var(--f-en);letter-spacing:.02em}
.tl-item .ph{font-size:18px;font-weight:700;color:var(--c-ink);margin:4px 0 10px}
.tl-item ul li{font-size:14.5px;color:var(--c-text-2);padding:3px 0 3px 16px;position:relative}
.tl-item ul li::before{content:"";position:absolute;left:0;top:13px;width:6px;height:6px;border-radius:50%;background:var(--c-blue-2)}

/* ============ 全球布局 ============ */
.map-wrap{position:relative;background:linear-gradient(150deg,#0E2A5C,#0A1A33);border-radius:var(--r-xl);padding:50px;color:#fff;overflow:hidden}
.map-wrap::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(59,130,246,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(59,130,246,.08) 1px,transparent 1px);background-size:40px 40px;mask-image:radial-gradient(ellipse at center,#000,transparent 80%)}
.map-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:34px;position:relative;z-index:2}
.map-stat{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:14px;padding:24px}
.map-stat b{font-size:34px;font-weight:800;color:#fff;font-family:var(--f-en)}
.map-stat b .plus{color:var(--c-cyan)}
.map-stat span{display:block;font-size:13px;color:rgba(255,255,255,.65);margin-top:6px}
.map-cities{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;position:relative;z-index:2}
.map-cities span{padding:7px 16px;border-radius:20px;background:rgba(34,211,238,.12);border:1px solid rgba(34,211,238,.3);color:var(--c-cyan);font-size:13px;font-weight:600}

/* ============ 芯片矩阵 ============ */
.chip-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px}
.chip{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r);
  padding:22px;transition:.28s var(--ease);
}
.chip:hover{transform:translateY(-4px);box-shadow:var(--sh);border-color:var(--c-blue)}
.chip .code{font-size:17px;font-weight:800;color:var(--c-ink);font-family:var(--f-en);letter-spacing:.01em}
.chip .if{font-size:13px;color:var(--c-blue);font-weight:600;margin-top:6px}
.chip .desc{font-size:12.5px;color:var(--c-text-3);margin-top:8px}

.feature-box{background:linear-gradient(150deg,#0E2A5C,#0A1A33);border-radius:var(--r-xl);padding:46px;color:#fff;position:relative;overflow:hidden}
.feature-box::after{content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;background:radial-gradient(circle,rgba(34,211,238,.25),transparent 60%)}
.feature-box .ft-list{display:grid;grid-template-columns:1fr 1fr;gap:18px 30px;margin-top:26px;position:relative;z-index:2}
.feature-box .ft-list li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:rgba(255,255,255,.85)}
.feature-box .ft-list li b{color:#fff}
.feature-box .ft-list li .ck{width:22px;height:22px;border-radius:50%;background:rgba(34,211,238,.2);color:var(--c-cyan);display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:12px;margin-top:2px}

/* ============ 实验室/制造 ============ */
.lab-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.lab-item{background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r);padding:24px;display:flex;align-items:center;gap:16px;transition:.28s}
.lab-item:hover{box-shadow:var(--sh);transform:translateY(-3px)}
.lab-item .li-ico{width:46px;height:46px;border-radius:12px;background:linear-gradient(135deg,rgba(30,107,255,.12),rgba(34,211,238,.12));display:flex;align-items:center;justify-content:center;color:var(--c-blue);flex-shrink:0}
.lab-item .li-t{font-size:15px;font-weight:600;color:var(--c-ink)}
.lab-item .li-s{font-size:12.5px;color:var(--c-text-3);margin-top:2px}

.capacity{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.cap{background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:26px 20px;text-align:center;transition:.3s}
.cap:hover{transform:translateY(-4px);box-shadow:var(--sh);border-color:var(--c-blue)}
.cap .v{font-size:26px;font-weight:800;color:var(--c-blue);font-family:var(--f-en);line-height:1}
.cap .v .u{font-size:.55em;color:var(--c-text-2);font-weight:600}
.cap .k{font-size:13px;color:var(--c-text-2);margin-top:9px;font-weight:500}

.badge-row{display:flex;flex-wrap:wrap;gap:12px}
.badge{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:30px;background:#fff;border:1px solid var(--c-line);font-size:13.5px;font-weight:600;color:var(--c-text);transition:.25s}
.badge:hover{border-color:var(--c-blue);color:var(--c-blue);transform:translateY(-2px)}
.badge .bk{width:8px;height:8px;border-radius:50%;background:linear-gradient(135deg,var(--c-blue),var(--c-cyan))}

/* ============ CTA条 ============ */
.cta-band{position:relative;border-radius:var(--r-xl);overflow:hidden;background:linear-gradient(120deg,#0E2A5C,#1E6BFF);padding:64px 56px;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.cta-band::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px);background-size:40px 40px;mask-image:radial-gradient(ellipse at 80% 50%,#000,transparent 70%)}
.cta-band h3{font-size:clamp(24px,3vw,34px);font-weight:800;position:relative;z-index:2}
.cta-band p{color:rgba(255,255,255,.82);margin-top:8px;position:relative;z-index:2}
.cta-band .btn{position:relative;z-index:2}

/* ============ FOOTER ============ */
.site-foot{background:#060F22;color:rgba(255,255,255,.66);padding:70px 0 0}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:50px;border-bottom:1px solid rgba(255,255,255,.1)}
.foot-brand .brand-mark{margin-bottom:18px}
.foot-brand b{display:block;font-size:17px;color:#fff;font-weight:700;margin-bottom:6px}
.foot-brand p{font-size:13.5px;line-height:1.8}
.foot-col h5{font-size:14px;color:#fff;font-weight:700;margin-bottom:18px;letter-spacing:.04em}
.foot-col a{display:block;font-size:13.5px;padding:6px 0;transition:.2s}
.foot-col a:hover{color:var(--c-cyan);transform:translateX(3px)}
.foot-contact li{font-size:13.5px;padding:7px 0;display:flex;gap:10px;align-items:flex-start}
.foot-contact svg{width:16px;height:16px;color:var(--c-cyan);flex-shrink:0;margin-top:4px}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;padding:24px 0;font-size:12.5px;color:rgba(255,255,255,.4)}
.foot-bottom a:hover{color:var(--c-cyan)}

/* ============ 页面通用 banner ============ */
.page-hero{
  position:relative;padding:160px 0 80px;color:#fff;
  background:linear-gradient(135deg,#06122B,#0E2A5C 60%,#0A1A33);
  overflow:hidden;
}
.page-hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(59,130,246,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(59,130,246,.08) 1px,transparent 1px);background-size:50px 50px;mask-image:radial-gradient(ellipse 70% 80% at 75% 30%,#000,transparent 75%)}
.page-hero::after{content:"";position:absolute;right:-5%;top:-30%;width:50vw;height:50vw;max-width:640px;max-height:640px;background:radial-gradient(circle,rgba(34,211,238,.18),transparent 62%);filter:blur(6px)}
.page-hero .wrap{position:relative;z-index:2}
.page-hero .eyebrow{color:var(--c-cyan)}
.page-hero .eyebrow::before{background:var(--c-cyan)}
.page-hero h1{font-size:clamp(30px,4.4vw,52px);font-weight:800;line-height:1.15;margin:18px 0 14px;letter-spacing:-.01em}
.page-hero p{font-size:17px;color:rgba(255,255,255,.72);max-width:620px;line-height:1.8}
.breadcrumb{display:flex;gap:8px;font-size:13px;color:rgba(255,255,255,.5);margin-top:26px;align-items:center}
.breadcrumb a:hover{color:var(--c-cyan)}
.breadcrumb span{color:rgba(255,255,255,.8)}

/* ============ 联系页 ============ */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:start}
.contact-info li{display:flex;gap:18px;padding:24px 0;border-bottom:1px solid var(--c-line)}
.contact-info li:first-child{padding-top:0}
.contact-info .ci-ico{width:50px;height:50px;border-radius:14px;background:linear-gradient(135deg,rgba(30,107,255,.12),rgba(34,211,238,.12));color:var(--c-blue);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.contact-info .ci-l{font-size:13px;color:var(--c-text-3);font-weight:600;letter-spacing:.06em;text-transform:uppercase}
.contact-info .ci-v{font-size:17px;color:var(--c-ink);font-weight:600;margin-top:5px}
.contact-form{background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-xl);padding:38px;box-shadow:var(--sh)}
.field{margin-bottom:20px}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--c-ink);margin-bottom:8px}
.field input,.field textarea,.field select{width:100%;padding:13px 16px;border:1px solid var(--c-line);border-radius:10px;font-size:15px;font-family:inherit;background:var(--c-bg);color:var(--c-text);transition:.25s}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--c-blue);background:#fff;box-shadow:0 0 0 3px rgba(30,107,255,.1)}
.field textarea{resize:vertical;min-height:120px}
.form-msg{margin-top:14px;padding:12px 16px;border-radius:10px;font-size:14px;display:none}
.form-msg.ok{display:block;background:rgba(34,197,94,.1);color:#16a34a;border:1px solid rgba(34,197,94,.3)}

/* ============ 动画 ============ */
@keyframes fadeUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}.reveal.d4{transition-delay:.32s}

/* ============ 响应式 ============ */
@media(max-width:1080px){
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .g4{grid-template-columns:repeat(2,1fr)}
  .capacity{grid-template-columns:repeat(3,1fr)}
  .pl-layout{grid-template-columns:1fr;gap:34px}
  .contact-grid{grid-template-columns:1fr}
  .feature-box .ft-list{grid-template-columns:1fr}
}
@media(max-width:860px){
  .nav,.head-right .head-cta,.head-right .lang-toggle{display:none}
  .burger{display:flex}
  .section{padding:68px 0}
  .g3,.g2,.lab-grid,.map-stats{grid-template-columns:1fr}
  .capacity{grid-template-columns:repeat(2,1fr)}
  .hero-stats{gap:28px}
  .cta-band{padding:44px 30px;flex-direction:column;align-items:flex-start}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .hero-stock{display:none}
  .chain{flex-direction:column}
  .chain-step:not(:last-child){border-right:none;border-bottom:1px solid var(--c-line)}
  .chain-step::after{display:none}
}
@media(max-width:560px){
  .wrap{padding:0 20px}
  .stat-grid,.g4,.foot-grid,.capacity{grid-template-columns:1fr}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{justify-content:center}
  .pl-tab{flex-direction:column;align-items:stretch}
  .pl-tab button{width:100%}
}