/* ===========================================================
   合肥攀达自动化科技有限公司 · 官网样式
   深色高端主题 / 零依赖 / 服务端直出内容 + 前端动效增强
   =========================================================== */

:root{
  --bg:#05080f;
  --bg-2:#0a1220;
  --bg-3:#0e1a2e;
  --panel:rgba(255,255,255,.045);
  --panel-2:rgba(255,255,255,.07);
  --line:rgba(255,255,255,.10);
  --line-2:rgba(255,255,255,.18);
  --txt:#e9f0fb;
  --txt-2:#a8b7cf;
  --txt-3:#6f809a;
  --acc:#2f7bff;
  --acc-2:#31e0cf;
  --acc-3:#7aa2ff;
  --grad:linear-gradient(118deg,#2f7bff 0%,#31e0cf 100%);
  --grad-soft:linear-gradient(118deg,rgba(47,123,255,.18),rgba(49,224,207,.14));
  --radius:16px;
  --radius-l:24px;
  --maxw:1280px;
  --ease:cubic-bezier(.19,1,.22,1);
  --font:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--txt);font-family:var(--font);
  font-size:16px;line-height:1.75;overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;letter-spacing:.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}

.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* ---------- 通用区块 ---------- */
.sec{position:relative;padding:112px 0}
.sec--tight{padding:80px 0}
.sec-head{max-width:760px;margin-bottom:56px}
.sec-head--center{margin-left:auto;margin-right:auto;text-align:center}
.kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--acc-2);font-weight:600;margin-bottom:16px;
}
.kicker::before{content:"";width:26px;height:1px;background:var(--grad)}
.sec-title{font-size:clamp(26px,3.4vw,44px);letter-spacing:-.01em}
.sec-title em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.sec-desc{margin-top:18px;color:var(--txt-2);font-size:16px}

/* ---------- 顶部导航 ---------- */
.hdr{
  position:fixed;inset:0 0 auto 0;z-index:90;
  transition:background .45s var(--ease),backdrop-filter .45s,border-color .45s,height .35s var(--ease);
  border-bottom:1px solid transparent;height:82px;
}
.hdr::before{
  content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,8,15,.86),rgba(5,8,15,0));
  opacity:1;transition:opacity .45s;pointer-events:none;
}
.hdr.solid{background:rgba(5,8,15,.82);backdrop-filter:blur(16px) saturate(140%);border-bottom-color:var(--line);height:68px}
.hdr.solid::before{opacity:0}
.hdr-in{position:relative;height:100%;display:flex;align-items:center;gap:32px}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{
  width:42px;height:42px;border-radius:11px;background:#fff;display:block;object-fit:contain;padding:2px;
  box-shadow:0 4px 16px rgba(0,0,0,.4);
}
.brand-txt strong{display:block;font-size:16px;letter-spacing:.02em;line-height:1.3}
.brand-txt span{display:block;font-size:11px;color:var(--txt-3);letter-spacing:.14em;text-transform:uppercase}
.nav{margin-left:auto;display:flex;align-items:center;gap:4px}
.nav a{
  position:relative;padding:10px 16px;font-size:15px;color:var(--txt-2);border-radius:10px;
  transition:color .3s,background .3s;
}
.nav a::after{
  content:"";position:absolute;left:16px;right:16px;bottom:4px;height:2px;border-radius:2px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .4s var(--ease);
}
.nav a:hover{color:var(--txt)}
.nav a:hover::after,.nav a.on::after{transform:scaleX(1)}
.nav a.on{color:var(--txt)}
.hdr-cta{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;padding:11px 20px;border-radius:999px;
  font-size:14px;font-weight:600;color:#04121f;background:var(--grad);
  box-shadow:0 8px 26px rgba(47,123,255,.32);transition:transform .3s var(--ease),box-shadow .3s;
}
.hdr-cta:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(47,123,255,.45)}
.burger{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);align-items:center;justify-content:center;margin-left:auto}
.burger i{display:block;width:18px;height:2px;background:var(--txt);position:relative;transition:.3s}
.burger i::before,.burger i::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--txt);transition:.3s}
.burger i::before{top:-6px}.burger i::after{top:6px}

/* ---------- 首屏 ---------- */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;overflow:hidden;isolation:isolate}
.hero-slides{position:absolute;inset:0;z-index:-2}
.hero-slide{
  position:absolute;inset:0;opacity:0;transition:opacity 1.4s var(--ease);
}
.hero-slide.on{opacity:1}
.hero-slide img{
  width:100%;height:100%;object-fit:cover;object-position:center;
  transform:scale(1.06);transition:transform 9s linear;
}
.hero-slide.on img{transform:scale(1.14)}
.hero-veil{
  position:absolute;inset:0;z-index:-1;
  background:
    linear-gradient(90deg,rgba(5,8,15,.94) 0%,rgba(5,8,15,.80) 34%,rgba(5,8,15,.42) 62%,rgba(5,8,15,.72) 100%),
    linear-gradient(180deg,rgba(5,8,15,.86) 0%,rgba(5,8,15,.10) 30%,rgba(5,8,15,.55) 78%,var(--bg) 100%);
}
.hero-grid{
  position:absolute;inset:0;z-index:-1;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:72px 72px;
  mask-image:radial-gradient(ellipse 90% 70% at 30% 45%,#000 20%,transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse 90% 70% at 30% 45%,#000 20%,transparent 78%);
}
.hero-in{position:relative;width:100%;max-width:var(--maxw);margin:0 auto;padding:130px 24px 96px}
.hero-copys{position:absolute;inset:0;z-index:2}
.hero-slide-txt{
  position:absolute;left:0;right:0;top:50%;transform:translateY(-50%);
  opacity:0;visibility:hidden;transition:opacity .8s var(--ease),visibility .8s;
  pointer-events:none;
}
.hero-slide-txt.on{opacity:1;visibility:visible;pointer-events:auto}
.hero-slide-txt .wrap{max-width:var(--maxw)}
.hero-copy{max-width:720px}
.hero-kick{
  display:inline-flex;align-items:center;gap:10px;padding:7px 16px 7px 8px;border-radius:999px;
  border:1px solid var(--line-2);background:rgba(255,255,255,.05);backdrop-filter:blur(8px);
  font-size:12px;letter-spacing:.16em;color:var(--txt-2);text-transform:uppercase;font-weight:600;
}
.hero-kick b{display:inline-grid;place-items:center;width:22px;height:22px;border-radius:999px;background:var(--grad);color:#04121f;font-size:11px}
.hero h1{
  margin-top:26px;font-size:clamp(32px,4.6vw,60px);line-height:1.14;letter-spacing:-.022em;
  text-shadow:0 18px 50px rgba(0,0,0,.5);
}
.hero h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-desc{margin-top:24px;max-width:600px;color:#cddbef;font-size:clamp(15px,1.5vw,18px);line-height:1.85}
.hero-btns{margin-top:40px;display:flex;flex-wrap:wrap;gap:14px}
.btn{
  position:relative;display:inline-flex;align-items:center;gap:10px;padding:15px 30px;border-radius:999px;
  font-size:15px;font-weight:600;overflow:hidden;transition:transform .35s var(--ease),box-shadow .35s;
}
.btn--primary{color:#04121f;background:var(--grad);box-shadow:0 12px 34px rgba(47,123,255,.34)}
.btn--primary::after{
  content:"";position:absolute;top:0;left:-60%;width:45%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.55),transparent);transform:skewX(-18deg);
}
.btn--primary:hover::after{animation:sweep .85s var(--ease)}
.btn--ghost{color:var(--txt);border:1px solid var(--line-2);background:rgba(255,255,255,.04);backdrop-filter:blur(8px)}
.btn--ghost:hover{background:rgba(255,255,255,.09)}
.btn:hover{transform:translateY(-3px)}
.btn svg{width:16px;height:16px}
@keyframes sweep{to{left:120%}}

.hero-foot{position:absolute;left:0;right:0;bottom:0;z-index:3;border-top:1px solid var(--line);background:rgba(5,8,15,.42);backdrop-filter:blur(10px)}
.hero-foot .wrap{display:flex;align-items:center;gap:26px;flex-wrap:wrap;padding-top:18px;padding-bottom:18px}
.hero-facts{display:flex;gap:26px;flex-wrap:wrap;margin-right:auto}
.hero-facts span{display:inline-flex;align-items:baseline;gap:7px;font-size:13px;color:var(--txt-2)}
.hero-facts b{font-size:20px;color:var(--txt);font-weight:800;letter-spacing:-.02em}
.hero-dots{display:flex;gap:9px}
.hero-dots button{width:34px;height:4px;border-radius:4px;background:rgba(255,255,255,.22);transition:.4s}
.hero-dots button.on{background:var(--grad);width:52px}
.hero-scroll{display:inline-flex;align-items:center;gap:9px;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--txt-3)}
.hero-scroll i{display:block;width:18px;height:28px;border:1px solid var(--line-2);border-radius:10px;position:relative}
.hero-scroll i::after{content:"";position:absolute;left:50%;top:6px;width:2px;height:6px;margin-left:-1px;border-radius:2px;background:var(--acc-2);animation:wheel 1.7s infinite}
@keyframes wheel{0%{opacity:0;transform:translateY(0)}30%{opacity:1}100%{opacity:0;transform:translateY(9px)}}

/* 文案入场 */
.hero-slide-txt.on .anim{animation:rise .95s var(--ease) both}
.hero-slide-txt.on .anim:nth-child(2){animation-delay:.09s}
.hero-slide-txt.on .anim:nth-child(3){animation-delay:.18s}
.hero-slide-txt.on .anim:nth-child(4){animation-delay:.27s}
@keyframes rise{from{opacity:0;transform:translateY(26px)}to{opacity:1;transform:none}}

/* ---------- 通栏滚动条 ---------- */
.ticker{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg-2);overflow:hidden;padding:16px 0}
.ticker-in{display:flex;gap:44px;width:max-content;animation:marquee 34s linear infinite}
.ticker-in span{font-size:13px;letter-spacing:.06em;color:var(--txt-2);white-space:nowrap;display:inline-flex;align-items:center;gap:14px}
.ticker-in span::before{content:"";width:6px;height:6px;border-radius:999px;background:var(--acc-2);flex:0 0 auto}
@keyframes marquee{to{transform:translateX(-50%)}}

/* ---------- 数据带 ---------- */
.stats{display:grid;grid-template-columns:repeat(6,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius-l);overflow:hidden}
.stat{background:var(--bg-2);padding:34px 22px;text-align:center;transition:background .4s}
.stat:hover{background:var(--bg-3)}
.stat b{
  display:flex;align-items:baseline;justify-content:center;gap:2px;white-space:nowrap;
  font-size:clamp(22px,2.5vw,34px);font-weight:800;letter-spacing:-.03em;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat b i{font-style:normal;font-size:.48em;margin-left:1px;letter-spacing:0}
.stat span{display:block;margin-top:8px;font-size:13px;color:var(--txt-3);letter-spacing:.08em}

/* ---------- 关于我们 ---------- */
.about{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
.about-media{position:relative;border-radius:var(--radius-l);overflow:hidden;border:1px solid var(--line);aspect-ratio:4/3}
.about-media img{width:100%;height:100%;object-fit:cover;transition:transform 1.1s var(--ease)}
.about-media:hover img{transform:scale(1.05)}
.about-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(5,8,15,.72))}
.about-badge{
  position:absolute;left:22px;bottom:22px;z-index:2;display:flex;align-items:center;gap:11px;
  padding:12px 18px;border-radius:999px;background:rgba(5,8,15,.72);backdrop-filter:blur(10px);border:1px solid var(--line-2);
}
.about-badge b{color:var(--acc-2);font-size:13px;letter-spacing:.06em}
.about-body p{color:var(--txt-2);margin-bottom:18px;font-size:15.5px}
.about-body p:first-of-type{color:var(--txt);font-size:17px}
.about-list{margin-top:26px;display:grid;gap:12px}
.about-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--txt-2)}
.about-list li svg{flex:0 0 auto;width:18px;height:18px;margin-top:5px;color:var(--acc-2)}

/* ---------- Bento 品类宫格 ---------- */
.chips{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px}
.chips span{
  display:inline-flex;align-items:center;gap:10px;padding:10px 18px;border-radius:999px;
  border:1px solid var(--line);background:rgba(255,255,255,.035);font-size:13px;color:var(--txt-2);
}
.chips b{color:var(--txt);font-weight:600}
.bento{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.cat{
  position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
  background:var(--bg-2);min-height:216px;display:flex;align-items:flex-end;
  transition:transform .5s var(--ease),border-color .4s,box-shadow .5s;
}
.cat:nth-child(1){grid-column:span 2;grid-row:span 2;min-height:446px}
.cat:nth-child(6){grid-column:span 2}
.cat:nth-child(11){grid-column:span 2}
.cat:nth-child(16){grid-column:span 2}
.cat img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ease),filter .6s;filter:saturate(.8) brightness(.6)}
.cat::after{content:"";position:absolute;inset:0;background:
  linear-gradient(180deg,rgba(5,8,15,.72) 0%,rgba(5,8,15,.34) 26%,rgba(5,8,15,.52) 60%,rgba(5,8,15,.94) 100%)}
.cat-in{position:relative;z-index:2;padding:22px 22px 20px;width:100%}
.cat-in h3{font-size:18px;display:flex;align-items:center;gap:9px}
.cat-in p{margin-top:6px;font-size:12.5px;color:var(--txt-3);letter-spacing:.05em}
.cat-in .go{
  margin-top:12px;display:inline-flex;align-items:center;gap:7px;font-size:12.5px;color:var(--acc-2);
  opacity:0;transform:translateY(8px);transition:.45s var(--ease);
}
.cat:hover{transform:translateY(-6px);border-color:rgba(49,224,207,.42);box-shadow:0 26px 60px rgba(0,0,0,.5)}
.cat:hover img{transform:scale(1.09);filter:saturate(1.05) brightness(.86)}
.cat:hover .go{opacity:1;transform:none}
.cat--group{background:var(--grad-soft);border-color:rgba(47,123,255,.3);align-items:center}
.cat--group::after{display:none}
.cat--group .cat-in h3{font-size:20px}

/* ---------- 滚动叙事 ---------- */
.narr{display:grid;gap:26px}
.narr-row{display:grid;grid-template-columns:1.15fr 1fr;gap:0;border-radius:var(--radius-l);overflow:hidden;border:1px solid var(--line);background:var(--bg-2)}
.narr-row:nth-child(even){grid-template-columns:1fr 1.15fr}
.narr-row:nth-child(even) .narr-media{order:2}
.narr-media{position:relative;overflow:hidden;min-height:380px}
.narr-media img{position:absolute;inset:-8% 0;width:100%;height:116%;object-fit:cover;will-change:transform}
.narr-media::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,8,15,.5),transparent 60%)}
.narr-row:nth-child(even) .narr-media::after{background:linear-gradient(270deg,rgba(5,8,15,.5),transparent 60%)}
.narr-txt{padding:52px 48px;display:flex;flex-direction:column;justify-content:center}
.narr-txt .step{font-size:56px;font-weight:800;line-height:1;letter-spacing:-.04em;color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.22)}
.narr-txt h3{margin-top:16px;font-size:clamp(20px,2.2vw,28px)}
.narr-txt p{margin-top:14px;color:var(--txt-2);font-size:15px}
.narr-txt .tag{margin-top:22px;align-self:flex-start;padding:6px 14px;border-radius:999px;border:1px solid rgba(49,224,207,.35);color:var(--acc-2);font-size:12px;letter-spacing:.1em}

/* ---------- 展品 ---------- */
.prods{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.prod{
  position:relative;border-radius:var(--radius);border:1px solid var(--line);background:#fff;overflow:hidden;
  transition:transform .5s var(--ease),box-shadow .5s,border-color .4s;
}
.prod-img{position:relative;aspect-ratio:1/1;background:#fff;overflow:hidden}
.prod-img img{width:100%;height:100%;object-fit:contain;padding:0;transition:transform .7s var(--ease)}
.prod-body{padding:16px 18px 18px;background:var(--bg-2);border-top:1px solid var(--line)}
.prod-body h3{font-size:15.5px;color:var(--txt)}
.prod-body .pcat{font-size:12px;color:var(--txt-3);margin-top:5px;letter-spacing:.06em}
.prod-body .price{margin-top:12px;font-size:12.5px;color:var(--acc-2);display:flex;align-items:center;gap:6px}
.prod-body .price svg{width:14px;height:14px;flex:0 0 auto}
.cat-in .go svg{width:13px;height:13px}
.prod:hover{transform:translateY(-7px);box-shadow:0 28px 60px rgba(0,0,0,.55);border-color:rgba(49,224,207,.4)}
.prod:hover .prod-img img{transform:scale(1.07)}
.prod-more{text-align:center;margin-top:44px}

/* ---------- 展品滚动图墙 ---------- */
.wall{position:relative;overflow:hidden;padding:4px 0 8px}
.wall::before,.wall::after{content:"";position:absolute;top:0;bottom:0;width:16%;z-index:2;pointer-events:none}
.wall::before{left:0;background:linear-gradient(90deg,var(--bg) 12%,transparent)}
.wall::after{right:0;background:linear-gradient(270deg,var(--bg) 12%,transparent)}
.wall-track{display:flex;width:max-content;animation:wallmove 78s linear infinite}
.wall:hover .wall-track{animation-play-state:paused}
@keyframes wallmove{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.wall figure{margin:0 14px 0 0;flex:0 0 auto;width:200px;background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:border-color .5s}
.wall figure:hover{border-color:rgba(47,123,255,.42)}
.wall img{width:200px;height:200px;object-fit:cover;display:block}
.wall figcaption{padding:10px 13px;font-size:13px;color:var(--txt-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* ---------- 展品中心：分类分组 ---------- */
.exgroup{margin-top:72px;scroll-margin-top:100px}
.exgroup-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;border-bottom:1px solid var(--line);padding-bottom:14px;margin-bottom:24px;flex-wrap:wrap}
.exgroup-head h3{font-size:22px}
.exgroup-head span{font-size:13px;color:var(--txt-3);letter-spacing:.04em}
.exgrid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.excard{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .5s var(--ease),border-color .5s,box-shadow .5s}
.excard:hover{transform:translateY(-6px);border-color:rgba(49,224,207,.4);box-shadow:0 22px 46px rgba(0,0,0,.5)}
.excard-img{aspect-ratio:1/1;background:#fff;overflow:hidden}
.excard-img img{width:100%;height:100%;object-fit:contain;padding:0;transition:transform .7s var(--ease)}
.excard:hover .excard-img img{transform:scale(1.07)}
.excard-body{padding:12px 14px 14px;border-top:1px solid var(--line)}
.excard-body h4{font-size:14px;color:var(--txt);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.excard-body span{display:block;margin-top:5px;font-size:11.5px;color:var(--txt-3);letter-spacing:.06em}
.exmore{margin-top:64px;text-align:center}
.exmore p{color:var(--txt-2);font-size:15px;max-width:640px;margin:0 auto 22px}
.exmore .hero-btns{justify-content:center}

/* ---------- 场景画廊 ---------- */
.gal{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.gal figure{
  margin:0;position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
  aspect-ratio:16/10;cursor:zoom-in;background:var(--bg-2);
}
.gal img{width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ease),filter .6s;filter:saturate(.82) brightness(.6)}
.gal figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:18px 20px;z-index:2;
  background:linear-gradient(180deg,transparent,rgba(5,8,15,.9));
}
.gal figcaption b{display:block;font-size:15px}
.gal figcaption span{font-size:12px;color:var(--txt-3);letter-spacing:.06em}
.gal figure::after{
  content:"＋";position:absolute;top:14px;right:14px;z-index:2;width:30px;height:30px;border-radius:999px;
  display:grid;place-items:center;background:rgba(5,8,15,.6);border:1px solid var(--line-2);font-size:14px;
  opacity:0;transform:scale(.85);transition:.4s var(--ease);
}
.gal figure:hover img{transform:scale(1.07);filter:saturate(.95) brightness(.82)}
.gal figure:hover::after{opacity:1;transform:none}
.gal-note{margin-top:26px;font-size:13px;color:var(--txt-3);text-align:center}

/* 灯箱 */
.lb{position:fixed;inset:0;z-index:200;background:rgba(3,6,12,.94);backdrop-filter:blur(10px);display:none;place-items:center;padding:32px}
.lb.on{display:grid}
.lb img{max-width:min(1400px,94vw);max-height:86vh;width:auto;object-fit:contain;border-radius:12px;box-shadow:0 40px 100px rgba(0,0,0,.7)}
.lb-close{position:absolute;top:24px;right:26px;width:46px;height:46px;border-radius:999px;border:1px solid var(--line-2);display:grid;place-items:center;font-size:22px;color:#fff;background:rgba(255,255,255,.06)}
.lb-cap{position:absolute;bottom:26px;left:0;right:0;text-align:center;font-size:14px;color:var(--txt-2)}

/* ---------- 优势 ---------- */
.adv{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.adv-card{
  position:relative;padding:34px 28px;border-radius:var(--radius);border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.012));
  overflow:hidden;transition:transform .5s var(--ease),border-color .4s;
}
.adv-card::before{
  content:"";position:absolute;inset:0;background:var(--grad-soft);opacity:0;transition:opacity .5s;
}
.adv-card:hover{transform:translateY(-6px);border-color:rgba(47,123,255,.42)}
.adv-card:hover::before{opacity:1}
.adv-card>*{position:relative}
.adv-no{font-size:12px;letter-spacing:.2em;color:var(--acc-2);font-weight:700}
.adv-ico{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;background:rgba(47,123,255,.16);border:1px solid rgba(47,123,255,.32);margin:20px 0 18px;color:var(--acc-2)}
.adv-ico svg{width:22px;height:22px}
.adv-card h3{font-size:19px}
.adv-card p{margin-top:12px;font-size:14px;color:var(--txt-2);line-height:1.85}

/* ---------- 新闻 ---------- */
.news{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius-l);overflow:hidden}
.news-item{display:flex;align-items:center;gap:24px;padding:24px 30px;background:var(--bg-2);transition:background .35s,padding-left .35s var(--ease)}
.news-item:hover{background:var(--bg-3);padding-left:38px}
.news-date{flex:0 0 116px;font-size:13px;color:var(--acc-2);letter-spacing:.06em;font-variant-numeric:tabular-nums}
.news-item h3{flex:1;font-size:15.5px;font-weight:500;color:var(--txt)}
.news-item svg{width:18px;height:18px;color:var(--txt-3);flex:0 0 auto}
.news-note{margin-top:22px;font-size:13px;color:var(--txt-3)}

/* ---------- 联系 CTA ---------- */
.cta{
  position:relative;border-radius:var(--radius-l);overflow:hidden;border:1px solid var(--line);
  padding:72px 64px;background:var(--bg-2);
}
.cta::before{content:"";position:absolute;inset:0;background:var(--grad-soft)}
.cta::after{
  content:"";position:absolute;right:-140px;top:-140px;width:520px;height:520px;border-radius:999px;
  background:radial-gradient(circle,rgba(47,123,255,.34),transparent 68%);
}
.cta-in{position:relative;display:grid;grid-template-columns:1.3fr 1fr;gap:48px;align-items:center}
.cta h2{font-size:clamp(24px,3vw,38px)}
.cta p{margin-top:16px;color:var(--txt-2)}
.cta-box{display:grid;gap:12px}
.cta-line{display:flex;align-items:center;gap:14px;padding:16px 20px;border-radius:14px;background:rgba(5,8,15,.5);border:1px solid var(--line)}
.cta-line svg{width:18px;height:18px;color:var(--acc-2);flex:0 0 auto}
.cta-line b{font-size:15px}
.cta-line span{font-size:12px;color:var(--txt-3);display:block}
.cta-line--tel b{font-size:20px;letter-spacing:.02em;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- 页脚 ---------- */
.ftr{border-top:1px solid var(--line);background:var(--bg-2);padding:72px 0 0;margin-top:112px}
.ftr-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:44px}
.ftr h4{font-size:14px;letter-spacing:.14em;text-transform:uppercase;color:var(--txt-3);margin-bottom:20px}
.ftr p,.ftr li{font-size:14px;color:var(--txt-2);line-height:2}
.ftr a:hover{color:var(--acc-2)}
.ftr-brand{display:flex;align-items:center;gap:12px;margin-bottom:20px}
.ftr-qr{display:flex;gap:14px;margin-top:18px}
.ftr-qr div{text-align:center;font-size:11px;color:var(--txt-3)}
.ftr-qr img{width:88px;height:88px;object-fit:contain;background:#fff;border-radius:10px;padding:5px}
.ftr-bot{margin-top:56px;border-top:1px solid var(--line);padding:24px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px;color:var(--txt-3)}

/* 回到顶部 */
.top{
  position:fixed;right:26px;bottom:26px;z-index:80;width:48px;height:48px;border-radius:999px;
  border:1px solid var(--line-2);background:rgba(10,18,32,.86);backdrop-filter:blur(10px);
  display:grid;place-items:center;opacity:0;pointer-events:none;transition:.45s var(--ease);
}
.top.on{opacity:1;pointer-events:auto}
.top:hover{transform:translateY(-4px);border-color:var(--acc-2)}
.top svg{width:18px;height:18px;color:var(--txt)}

/* 光标跟随光晕（桌面端） */
.glow{position:fixed;z-index:1;width:520px;height:520px;border-radius:999px;pointer-events:none;left:0;top:0;
  background:radial-gradient(circle,rgba(47,123,255,.13),transparent 62%);transform:translate(-50%,-50%);
  opacity:0;transition:opacity .6s;mix-blend-mode:screen}
.glow.on{opacity:1}

/* ---------- 合肥产业土壤（WHY HEFEI） ---------- */
.hf-facts{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:46px}
.hf-fact{
  position:relative;background:var(--bg-2);border:1px solid var(--line);
  border-radius:var(--radius);padding:26px 22px 24px;
  transition:transform .5s var(--ease),border-color .5s;
}
.hf-fact:hover{transform:translateY(-5px);border-color:rgba(47,123,255,.42)}
.hf-fact b{
  display:block;font-size:clamp(28px,2.8vw,38px);line-height:1;font-weight:700;letter-spacing:-.02em;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hf-fact b i{font-style:normal;font-size:.5em;margin-left:2px;letter-spacing:0}
.hf-fact span{display:block;margin-top:14px;font-size:14px;color:var(--txt);line-height:1.7}
.hf-fact em{display:block;margin-top:10px;font-style:normal;font-size:12px;color:var(--txt-3);line-height:1.7}
.hf-story{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;align-items:start}
.hf-story>div{max-width:none}
.hf-story p{color:var(--txt-2);font-size:15.5px;margin-bottom:16px;line-height:1.9}
.hf-story p:first-child{color:var(--txt);font-size:17px}
.hf-timeline{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;position:sticky;top:96px}
.hf-timeline h4{font-size:15px;color:var(--txt);margin-bottom:18px;letter-spacing:.04em}
.hf-timeline ul{list-style:none}
.hf-timeline li{position:relative;padding:0 0 18px 22px;border-left:1px solid var(--line)}
.hf-timeline li:last-child{padding-bottom:2px;border-left-color:transparent}
.hf-timeline li::before{content:'';position:absolute;left:-4px;top:6px;width:7px;height:7px;border-radius:50%;background:var(--acc);box-shadow:0 0 10px rgba(47,123,255,.6)}
.hf-timeline .y{display:block;font-weight:800;font-size:14px;color:var(--acc);margin-bottom:3px;letter-spacing:.02em}
.hf-timeline .t{display:block;font-size:13px;color:var(--txt-2);line-height:1.7}
.hf-bene{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:38px}
.hf-bene>div{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;transition:background .4s,border-color .4s}
.hf-bene>div:hover{background:var(--panel-2);border-color:rgba(47,123,255,.32)}
.hf-bene h4{font-size:16px;margin-bottom:10px;color:var(--txt)}
.hf-bene p{font-size:14px;color:var(--txt-2);line-height:1.85}
.hf-note{margin-top:30px;font-size:12.5px;color:var(--txt-3);line-height:1.9;max-width:980px}

/* ---------- 入场动画 ---------- */
.rv{opacity:0;transform:translateY(30px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.rv.in{opacity:1;transform:none}
.rv[data-d="1"]{transition-delay:.08s}
.rv[data-d="2"]{transition-delay:.16s}
.rv[data-d="3"]{transition-delay:.24s}
.rv[data-d="4"]{transition-delay:.32s}

/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  .hf-story{grid-template-columns:1fr;gap:28px}
  .hf-timeline{position:static}
  .stats{grid-template-columns:repeat(3,1fr)}
  .hf-facts{grid-template-columns:repeat(2,1fr)}
  .hf-bene{grid-template-columns:1fr}
  .exgrid{grid-template-columns:repeat(4,1fr)}
  .bento{grid-template-columns:repeat(3,1fr)}
  .cat:nth-child(1){grid-column:span 2;grid-row:span 1;min-height:260px}
  .prods,.adv{grid-template-columns:repeat(3,1fr)}
  .ftr-grid{grid-template-columns:1fr 1fr;gap:36px}
  .about{grid-template-columns:1fr;gap:36px}
  .cta-in{grid-template-columns:1fr}
}
@media (max-width:820px){
  .nav,.hdr-cta{display:none}
  .burger{display:flex}
  .hdr.open .nav{
    display:flex;flex-direction:column;position:absolute;top:100%;left:0;right:0;gap:2px;padding:14px 20px 22px;
    background:rgba(5,8,15,.97);backdrop-filter:blur(18px);border-bottom:1px solid var(--line);
  }
  .hdr.open .nav a{padding:14px 12px;border-bottom:1px solid var(--line)}
  .sec{padding:76px 0}
  .bento{grid-template-columns:repeat(2,1fr);gap:12px}
  .cat,.cat:nth-child(1),.cat:nth-child(6),.cat:nth-child(11),.cat:nth-child(16){grid-column:span 2;grid-row:span 1;min-height:200px}
  .prods,.adv{grid-template-columns:repeat(2,1fr);gap:12px}
  .exgrid{grid-template-columns:repeat(3,1fr);gap:10px}
  .wall figure{width:180px}
  .wall img{width:180px;height:180px}
  .gal{grid-template-columns:1fr;gap:12px}
  .narr-row,.narr-row:nth-child(even){grid-template-columns:1fr}
  .narr-row:nth-child(even) .narr-media{order:0}
  .narr-media{min-height:240px}
  .narr-txt{padding:32px 26px}
  .hero-in{padding:118px 20px 190px}
  .hero-slide-txt{top:44%;transform:translateY(-50%)}
  .hero-slide-txt .wrap{padding:0 20px}
  .hero-copy{padding-bottom:20px}
  .hero h1{margin-top:20px}
  .hero-btns{margin-top:28px;gap:10px}
  .btn{padding:13px 22px;font-size:14px}
  .hero-foot .wrap{gap:14px;padding-top:14px;padding-bottom:14px}
  .hero-facts{gap:16px}
  .hero-scroll{display:none}
  .cta{padding:44px 26px}
  .news-item{flex-direction:column;align-items:flex-start;gap:8px;padding:20px 22px}
  .ftr-grid{grid-template-columns:1fr}
  .glow{display:none}
}
@media (max-width:520px){
  .stats{grid-template-columns:repeat(2,1fr)}
  .hf-facts{grid-template-columns:1fr}
  .exgrid{grid-template-columns:repeat(2,1fr)}
  .prods{grid-template-columns:repeat(2,1fr)}
  .adv{grid-template-columns:1fr}
  .brand-txt strong{font-size:14.5px}
  .brand-txt span{font-size:10px}
}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  .rv{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* ---------- 移动端底部转化条（仅手机显示） ---------- */
.mbar{display:none}
@media (max-width:820px){
  .mbar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:95;
    background:rgba(8,12,22,.94);backdrop-filter:blur(12px);border-top:1px solid var(--line);
    padding:8px 10px calc(8px + env(safe-area-inset-bottom));gap:8px}
  .mbar-i{flex:1;display:flex;align-items:center;justify-content:center;gap:6px;height:44px;border-radius:12px;
    border:1px solid var(--line);background:transparent;color:var(--txt);font-size:13.5px;font-weight:600;
    text-decoration:none;cursor:pointer;font-family:inherit}
  .mbar-i svg{width:17px;height:17px;flex:0 0 auto}
  .mbar-cta{background:var(--blue);border-color:var(--blue);color:#fff}
  body{padding-bottom:66px}
  .top{bottom:78px}
}