:root{
  --bg:#F7F9FF;
  --white:#FFFFFF;
  --ink:#0A1440;
  --dim:#5F6C92;
  --blue:#0A5CFF;
  --violet:#7C3BFF;
  --cyan:#00D1FF;
  --pink:#FF5CA8;
  --grad:linear-gradient(100deg,var(--blue),var(--violet) 55%,var(--cyan));
  --grad2:linear-gradient(100deg,var(--blue),var(--violet));
  --line:rgba(10,20,64,.08);
  --shadow:0 18px 44px -18px rgba(10,92,255,.22);
  --lat:'Sora','Noto Sans SC','PingFang SC','HarmonyOS Sans SC','Microsoft YaHei',sans-serif;
  --sans:'Noto Sans SC','PingFang SC','HarmonyOS Sans SC','Source Han Sans SC','Microsoft YaHei',sans-serif;
  --ease:cubic-bezier(.22,.9,.28,1);
  --r:18px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);font-weight:300;line-height:1.85;overflow-x:hidden}
::selection{background:var(--blue);color:#fff}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-weight:900}
.gtx{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

#progress{position:fixed;top:0;left:0;height:3px;width:100%;background:var(--grad);z-index:1000;border-radius:0 3px 3px 0;transform-origin:left;transform:scaleX(0);will-change:transform}

nav{position:fixed;top:0;left:0;right:0;z-index:900;height:74px;padding:0 clamp(16px,4vw,56px);
  display:flex;align-items:center;justify-content:space-between;transition:.4s}
nav.scrolled{background:rgba(255,255,255,.82);backdrop-filter:blur(18px);box-shadow:0 6px 30px -12px rgba(10,20,64,.12)}
.brand{display:flex;align-items:center}
.brand-img{height:50px;width:auto;display:block}
.brand-cn{font-size:17px;font-weight:900;letter-spacing:2.5px;white-space:nowrap}
.brand-cn b{background:var(--grad2);-webkit-background-clip:text;background-clip:text;color:transparent}
.brand-en{font-family:var(--lat);font-size:8.5px;font-weight:600;letter-spacing:2.4px;color:var(--dim);text-transform:uppercase;white-space:nowrap}
.nav-links{display:flex;gap:clamp(8px,1.8vw,26px);align-items:center}
.nav-links a{font-size:14px;font-weight:400;letter-spacing:1.5px;color:var(--dim);padding:6px 4px;position:relative;transition:.3s}
.nav-links a::after{content:'';position:absolute;left:50%;bottom:0;width:0;height:3px;border-radius:3px;background:var(--grad2);transition:.35s var(--ease);transform:translateX(-50%)}
.nav-links a:hover,.nav-links a.active{color:var(--ink)}
.nav-links a:hover::after,.nav-links a.active::after{width:60%}
.nav-cta{background:var(--grad2);color:#fff!important;font-weight:500;padding:9px 24px!important;border-radius:999px;transition:.3s!important;box-shadow:0 8px 20px -8px rgba(10,92,255,.5)}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 12px 28px -8px rgba(124,59,255,.55)}
.nav-cta::after{display:none!important}
#burger{display:none;background:none;border:none;cursor:pointer;width:40px;height:40px;z-index:950}
#burger span{display:block;width:22px;height:2px;border-radius:2px;background:var(--ink);margin:5.5px auto;transition:.35s var(--ease)}
#burger.open span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
#burger.open span:nth-child(2){opacity:0}
#burger.open span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}

#hero{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;overflow:hidden;
  background:linear-gradient(180deg,#FFFFFF 0%,#F2F6FF 55%,#F7F9FF 100%)}
.blob{position:absolute;border-radius:50%;filter:blur(80px);opacity:.3;pointer-events:none;will-change:transform}
.blob.b1{width:56vw;height:56vw;max-width:760px;max-height:760px;background:radial-gradient(circle,#3D7BFF,transparent 65%);top:-20%;left:-14%;animation:drift1 16s ease-in-out infinite}
.blob.b2{width:48vw;height:48vw;max-width:640px;max-height:640px;background:radial-gradient(circle,#A06BFF,transparent 65%);top:-8%;right:-16%;animation:drift2 19s ease-in-out infinite}
.blob.b3{width:40vw;height:40vw;max-width:520px;max-height:520px;background:radial-gradient(circle,#33E0FF,transparent 65%);bottom:-18%;left:26%;animation:drift3 22s ease-in-out infinite}
@keyframes drift1{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(7vw,6vh) scale(1.12)}}
@keyframes drift2{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(-6vw,8vh) scale(.92)}}
@keyframes drift3{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(5vw,-6vh) scale(1.1)}}
#heroLines{position:absolute;inset:0;width:100%;height:100%}
.hero-fade{position:absolute;left:0;right:0;bottom:0;height:26%;background:linear-gradient(180deg,transparent,#F7F9FF 85%);pointer-events:none}
.hero-inner{position:relative;z-index:2;text-align:center;padding:130px 20px 80px;max-width:1060px;width:100%}
.hero-chips{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-bottom:24px;opacity:0;animation:riseIn .9s var(--ease) .2s forwards}
.chip{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.75);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.9);border-radius:999px;padding:7px 18px;font-size:13px;letter-spacing:2px;color:var(--ink);box-shadow:0 8px 24px -12px rgba(10,20,64,.18)}
.chip i{width:7px;height:7px;border-radius:50%;background:var(--grad2);flex:none}
.hero-title{font-size:clamp(34px,6.4vw,72px);font-weight:900;letter-spacing:.05em;line-height:1.28;opacity:0;animation:riseIn 1s var(--ease) .4s forwards}
.hero-sub{margin-top:20px;font-size:clamp(14px,1.6vw,17.5px);color:var(--dim);letter-spacing:2px;opacity:0;animation:riseIn 1s var(--ease) .62s forwards}
.hero-sub b{color:var(--ink);font-weight:500}
.hero-btns{margin-top:36px;display:flex;gap:16px;justify-content:center;flex-wrap:wrap;opacity:0;animation:riseIn 1s var(--ease) .82s forwards}
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 36px;border-radius:999px;font-size:15px;letter-spacing:2.5px;transition:.35s var(--ease)}
.btn-solid{background:var(--grad2);color:#fff;font-weight:500;box-shadow:0 14px 32px -12px rgba(10,92,255,.55)}
.btn-solid:hover{transform:translateY(-3px);box-shadow:0 20px 40px -12px rgba(124,59,255,.6)}
.btn-ghost{background:rgba(255,255,255,.7);border:1px solid rgba(10,92,255,.35);color:var(--blue)}
.btn-ghost:hover{border-color:var(--violet);color:var(--violet);transform:translateY(-3px)}
.btn .ar{transition:.3s}
.btn:hover .ar{transform:translateX(4px)}
.hero-stats{margin-top:60px;display:grid;grid-template-columns:repeat(4,1fr);gap:16px;opacity:0;animation:riseIn 1s var(--ease) 1s forwards}
.hstat{background:rgba(255,255,255,.8);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.95);border-radius:var(--r);padding:22px 8px 18px;box-shadow:var(--shadow);transition:.35s}
.hstat:hover{transform:translateY(-5px)}
.odo{display:inline-flex;align-items:baseline;gap:1px}
.reel{display:inline-block;height:1em;overflow:hidden;font-family:var(--lat);font-size:clamp(30px,3.6vw,46px);font-weight:800;line-height:1}
.reel .col{display:flex;flex-direction:column;transform:translateY(0);transition:transform 1.6s cubic-bezier(.16,1,.3,1)}
.reel .col span{height:1em;background:var(--grad2);-webkit-background-clip:text;background-clip:text;color:transparent}
.odo small{font-size:15px;color:var(--dim);font-weight:400;margin-left:3px}
.hstat .lab{margin-top:6px;font-size:12.5px;color:var(--dim);letter-spacing:3px}
.scroll-hint{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);z-index:2;font-size:12px;letter-spacing:4px;color:var(--dim);opacity:0;animation:riseIn 1s var(--ease) 1.3s forwards}
.scroll-hint::after{content:'';display:block;width:1px;height:36px;margin:8px auto 0;background:linear-gradient(180deg,var(--blue),transparent);animation:drip 2s ease-in-out infinite}
@keyframes drip{0%{transform:scaleY(0);transform-origin:top}45%{transform:scaleY(1);transform-origin:top}55%{transform:scaleY(1);transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}
@keyframes riseIn{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}

section{position:relative;padding:clamp(84px,10vw,130px) clamp(20px,6vw,80px)}
.wrap{max-width:1200px;margin:0 auto;position:relative}
.sec-head{text-align:center;margin-bottom:clamp(46px,6vw,68px)}
.sec-eyebrow{font-family:var(--lat);display:inline-flex;align-items:center;gap:10px;font-size:12.5px;font-weight:600;letter-spacing:4px;color:var(--blue);text-transform:uppercase;margin-bottom:12px}
.sec-eyebrow::before,.sec-eyebrow::after{content:'';width:26px;height:2px;border-radius:2px;background:var(--grad2)}
.sec-title{font-size:clamp(26px,4vw,44px);letter-spacing:.05em;line-height:1.35}
.sec-desc{margin:16px auto 0;max-width:820px;color:var(--dim);font-size:clamp(14px,1.5vw,15.5px)}
.rv{opacity:0;transform:translateY(38px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.rv.in{opacity:1;transform:none}
.rv-d1{transition-delay:.12s}.rv-d2{transition-delay:.24s}.rv-d3{transition-delay:.36s}
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--r);transition:.4s var(--ease)}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(10,92,255,.25)}

#overview{background:var(--white)}
.ov-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(36px,5vw,72px);align-items:center}
.ov-text .sec-eyebrow{margin-bottom:10px}
.ov-text .sec-eyebrow::before{display:none}
.ov-title{font-size:clamp(26px,3.6vw,40px);letter-spacing:.05em;line-height:1.4;margin-bottom:22px}
.ov-text p{color:var(--dim);margin-bottom:18px;font-size:15px}
.ov-text p strong{color:var(--ink);font-weight:500}
.ov-text p em{font-style:normal;color:var(--blue);font-weight:500}
/* 双核主线 · 高端版 */
.dual-core{display:flex;gap:16px;margin:28px 0;align-items:stretch}
.dc{flex:1;display:flex;align-items:center;gap:15px;background:#fff;border-radius:16px;padding:18px 20px;position:relative;overflow:hidden;transition:.45s var(--ease);box-shadow:0 12px 32px -20px rgba(10,92,255,.35)}
.dc::before{content:'';position:absolute;inset:0;border-radius:16px;padding:1.2px;background:linear-gradient(135deg,rgba(10,92,255,.55),rgba(124,59,255,.2) 40%,rgba(0,209,255,.45));-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}
.dc::after{content:'';position:absolute;top:0;left:-70%;width:46%;height:100%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.75),transparent);transform:skewX(-18deg);transition:left .7s var(--ease);pointer-events:none}
.dc:hover{transform:translateY(-4px);box-shadow:0 20px 44px -18px rgba(94,59,255,.42)}
.dc:hover::after{left:130%}
.dc-ic{width:46px;height:46px;border-radius:13px;background:var(--grad2);display:flex;align-items:center;justify-content:center;flex:none;box-shadow:0 8px 18px -6px rgba(10,92,255,.55)}
.dc-ic svg{width:24px;height:24px}
.dc-tx{position:relative;z-index:1}
.dc-k{display:block;font-family:var(--lat);font-size:10px;font-weight:600;letter-spacing:2.5px;color:var(--dim);text-transform:uppercase;margin-bottom:3px}
.dc-v{font-size:17.5px;font-weight:700;letter-spacing:2px}
.dc-v b{background:var(--grad2);-webkit-background-clip:text;background-clip:text;color:transparent}
.dc-no{position:absolute;right:12px;top:2px;font-family:var(--lat);font-size:34px;font-weight:800;background:var(--grad2);-webkit-background-clip:text;background-clip:text;color:transparent;opacity:.12;pointer-events:none}
.dc-link{align-self:center;width:34px;height:34px;border-radius:50%;background:#fff;box-shadow:0 8px 20px -8px rgba(10,92,255,.4);display:flex;align-items:center;justify-content:center;flex:none;position:relative;z-index:1}
.dc-link::before{content:'';position:absolute;inset:0;border-radius:50%;padding:1.2px;background:var(--grad2);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude}
.dc-link span{font-family:var(--lat);font-size:15px;font-weight:800;background:var(--grad2);-webkit-background-clip:text;background-clip:text;color:transparent}
/* 五位一体链 · 高端版 */
.pillars{display:grid;grid-template-columns:repeat(6,1fr);gap:10px;position:relative}
.pillars::before{content:'';position:absolute;left:3%;right:3%;top:50%;height:2px;border-radius:2px;opacity:.38;
  background:linear-gradient(90deg,#0A5CFF,#7C3BFF,#00D1FF,#0A5CFF);background-size:300% 100%;animation:chainflow 7s linear infinite}
@keyframes chainflow{to{background-position:-300% 0}}
.pillar{text-align:center;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 4px 13px;transition:.4s var(--ease);cursor:default;position:relative;overflow:hidden;box-shadow:0 8px 22px -16px rgba(10,92,255,.3)}
.pillar::before{content:'';position:absolute;top:0;left:50%;transform:translateX(-50%);width:26px;height:3px;border-radius:0 0 4px 4px;background:var(--grad2);opacity:.8;transition:.4s}
.pillar:hover,.pillar.lit{transform:translateY(-6px);background:linear-gradient(150deg,#4D7CFF,#7C3BFF);border-color:transparent;box-shadow:0 18px 36px -14px rgba(94,59,255,.5)}
.pillar:hover::before,.pillar.lit::before{width:100%;border-radius:0;opacity:.35}
.pillar .zi{font-size:21px;font-weight:700;position:relative;transition:color .35s}
.pillar .py{font-family:var(--lat);font-size:9.5px;font-weight:600;letter-spacing:1.8px;color:var(--blue);text-transform:uppercase;position:relative;transition:color .35s}
.pillar:hover .zi,.pillar.lit .zi{color:#fff}
.pillar:hover .py,.pillar.lit .py{color:rgba(255,255,255,.85)}
@media(max-width:880px){
  .dc{padding:14px 16px;gap:12px}
  .dc-ic{width:40px;height:40px;border-radius:11px}
  .dc-no{font-size:26px}
  .dc-link{align-self:center;margin:-4px auto}
}
.ov-visual{position:relative;aspect-ratio:1;max-width:470px;margin:0 auto;width:100%}
#orbit{width:100%;height:100%}

#units{background:linear-gradient(180deg,var(--bg),#EDF1FB)}
.unit-rail-wrap{position:relative}
.unit-rail{display:flex;gap:14px;overflow-x:auto;scroll-snap-type:x mandatory;padding:22px 8px 28px;scrollbar-width:none}
.unit-rail::-webkit-scrollbar{display:none}
.ucard{flex:0 0 clamp(200px,22vw,250px);scroll-snap-align:start;background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:24px 20px;cursor:pointer;transition:.4s var(--ease);position:relative;overflow:hidden}
.ucard::after{content:'';position:absolute;inset:0;border-radius:inherit;background:linear-gradient(140deg,#4D7CFF 0%,#7C3BFF 62%,#9B5CFF 100%);opacity:0;transition:opacity .4s var(--ease);z-index:0}
.ucard>*{position:relative;z-index:1}
.ucard:hover{transform:translateY(-10px) rotate(-2.5deg) scale(1.04);border-color:transparent;box-shadow:0 28px 60px -18px rgba(94,59,255,.5)}
.ucard:hover::after{opacity:1}
.ucard.sel{border-color:transparent;box-shadow:0 22px 50px -18px rgba(94,59,255,.45)}
.ucard.sel::after{opacity:1}
.ucard:hover .no,.ucard.sel .no{background:rgba(255,255,255,.22);color:#fff;border-color:rgba(255,255,255,.5)}
.ucard:hover h3,.ucard.sel h3{color:#fff}
.ucard:hover .en,.ucard.sel .en{color:rgba(255,255,255,.75)}
.ucard .no{font-family:var(--lat);font-size:13px;font-weight:700;color:#fff;background:var(--grad2);border:1px solid transparent;border-radius:999px;padding:3px 12px;display:inline-block;margin-bottom:14px;transition:.4s}
.ucard h3{font-size:16px;font-weight:700;letter-spacing:1.5px;line-height:1.5;min-height:3em;transition:color .4s}
.ucard .en{display:block;font-family:var(--lat);font-size:9.5px;font-weight:600;letter-spacing:1.5px;color:var(--dim);text-transform:uppercase;margin-top:6px;transition:color .4s}
.rail-btn{position:absolute;top:38%;width:44px;height:44px;border-radius:50%;background:var(--white);border:1px solid var(--line);box-shadow:var(--shadow);cursor:pointer;z-index:3;display:flex;align-items:center;justify-content:center;transition:.3s;color:var(--blue);font-size:18px}
.rail-btn:hover{background:var(--blue);color:#fff}
.rail-btn.prev{left:-18px}
.rail-btn.next{right:-18px}
.unit-detail{margin-top:14px;background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:clamp(24px,3vw,40px);box-shadow:var(--shadow);transition:opacity .35s}
.unit-detail.fading{opacity:0}
.ud-head{display:flex;align-items:center;gap:14px;margin-bottom:14px;flex-wrap:wrap}
.ud-head .no{font-family:var(--lat);font-size:14px;font-weight:700;color:#fff;background:var(--grad2);border-radius:999px;padding:4px 16px}
.ud-head h3{font-size:clamp(18px,2.2vw,23px);letter-spacing:2px}
.ud-head .en{font-family:var(--lat);font-size:11px;font-weight:600;letter-spacing:2px;color:var(--dim);text-transform:uppercase}
.unit-detail .lead{color:var(--ink);font-size:14.5px;margin-bottom:14px}
.unit-detail ul{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:8px 26px}
.unit-detail li{padding-left:20px;position:relative;font-size:13.5px;color:var(--dim)}
.unit-detail li::before{content:'';position:absolute;left:2px;top:11px;width:7px;height:7px;border-radius:50%;background:var(--grad2)}
.unit-detail li b{color:var(--blue);font-weight:500}

#mission{background:var(--white)}
.mvv{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(14px,2vw,22px)}
.mvv-card{padding:clamp(24px,2.8vw,34px);background:var(--bg);border-color:transparent}
.mvv-card:hover{background:var(--white)}
.mvv-card .glyph{width:54px;height:54px;margin-bottom:18px;border-radius:14px;background:var(--grad2);display:flex;align-items:center;justify-content:center;box-shadow:0 10px 22px -8px rgba(10,92,255,.45)}
.mvv-card .glyph svg{width:26px;height:26px}
.mvv-card h3{font-size:19px;letter-spacing:3px;margin-bottom:2px}
.mvv-card .en{font-family:var(--lat);font-size:10.5px;font-weight:600;letter-spacing:2.5px;color:var(--blue);text-transform:uppercase;margin-bottom:12px}
.mvv-card p{font-size:13.6px;color:var(--dim)}

#roadmap{background:linear-gradient(180deg,#EDF1FB,var(--bg))}
.rmx{position:relative;padding:30px 0 10px}
.rmx::before{content:'';position:absolute;left:2%;right:2%;top:118px;height:4px;border-radius:4px;background:var(--grad)}
.rmx-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:clamp(10px,1.6vw,20px)}
.rmx-item{position:relative;padding-top:64px}
.rmx-item .yr{position:absolute;top:38px;left:50%;transform:translate(-50%,-100%);font-family:var(--lat);font-size:clamp(16px,1.9vw,21px);font-weight:800;background:var(--grad2);-webkit-background-clip:text;background-clip:text;color:transparent;white-space:nowrap}
.rmx-item .nd{position:absolute;top:81px;left:50%;transform:translateX(-50%);width:18px;height:18px;border-radius:50%;background:var(--white);border:4px solid var(--blue);box-shadow:0 0 0 5px rgba(10,92,255,.15);transition:.35s;z-index:1}
.rmx-item:hover .nd{border-color:var(--violet);box-shadow:0 0 0 8px rgba(124,59,255,.18)}
.rmx-card{margin-top:28px;background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:20px 18px;transition:.4s var(--ease);height:100%}
.rmx-item:hover .rmx-card{transform:translateY(-6px);box-shadow:var(--shadow)}
.rmx-card h4{font-size:15px;letter-spacing:1.5px;margin-bottom:8px;font-weight:700}
.rmx-card p{font-size:12.6px;color:var(--dim)}

/* ====== 亮点聚焦 ====== */
#hl{background:var(--white)}
.hl-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(14px,2vw,22px)}
.hl-card{overflow:hidden;display:flex;flex-direction:column}
.hl-cover{height:150px;position:relative;display:flex;align-items:center;justify-content:center}
.hl-cover.c1{background:linear-gradient(130deg,#0A5CFF,#00D1FF)}
.hl-cover.c2{background:linear-gradient(130deg,#7C3BFF,#0A5CFF)}
.hl-cover.c3{background:linear-gradient(130deg,#00A8E8,#7C3BFF)}
.hl-cover svg{width:52px;height:52px;opacity:.95}
.hl-cover::after{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 70% 90% at 80% -10%,rgba(255,255,255,.35),transparent 60%)}
.hl-body{padding:22px 24px 26px;flex:1;display:flex;flex-direction:column}
.hl-tag{align-self:flex-start;font-size:11px;letter-spacing:2px;color:var(--blue);background:rgba(10,92,255,.08);border-radius:999px;padding:3px 12px;margin-bottom:12px}
.hl-body h3{font-size:17px;letter-spacing:1.5px;margin-bottom:8px;font-weight:700}
.hl-body p{font-size:13px;color:var(--dim);flex:1}
.hl-cover.photo{padding:0}
.hl-cover.photo img,.news-feat .cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.about-card .ph{border-radius:12px;overflow:hidden;margin-bottom:16px;height:170px}
.about-card .ph img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .6s var(--ease)}
.about-card:hover .ph img{transform:scale(1.05)}
@media(max-width:880px){.hl-grid{grid-template-columns:1fr}}

/* ====== 关于我们 ====== */
#about{background:linear-gradient(180deg,var(--bg),#EFF3FE)}
.about-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(16px,2.4vw,26px);align-items:stretch}
.about-hero{border-radius:var(--r);background:linear-gradient(150deg,#0A5CFF,#7C3BFF 60%,#00A8E8 120%);color:#fff;padding:clamp(28px,3.4vw,44px);display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden;min-height:340px}
.about-hero::after{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 80% 90% at 85% -10%,rgba(255,255,255,.3),transparent 60%)}
.about-hero .sl{font-size:clamp(22px,2.6vw,30px);font-weight:900;letter-spacing:.12em;line-height:1.8;position:relative}
.about-hero .st{display:flex;gap:clamp(14px,2vw,30px);position:relative;flex-wrap:wrap;margin-top:26px}
.about-hero .st div b{display:block;font-family:var(--lat);font-size:clamp(24px,2.6vw,34px);font-weight:800;line-height:1.2}
.about-hero .st div span{font-size:12px;letter-spacing:2px;opacity:.85}
.about-col{display:flex;flex-direction:column;gap:clamp(14px,2vw,20px)}
.about-card{padding:clamp(22px,2.6vw,30px);flex:1}
.about-card h3{font-size:17.5px;letter-spacing:2.5px;margin-bottom:10px}
.about-card h3 i{font-style:normal;font-family:var(--lat);font-size:11px;font-weight:600;letter-spacing:2px;color:var(--blue);text-transform:uppercase;margin-left:10px}
.about-card p{font-size:13.6px;color:var(--dim)}
.about-card p b{color:var(--ink);font-weight:500}
@media(max-width:880px){.about-grid{grid-template-columns:1fr}}

/* ====== 园区实景 ====== */
#gallery{background:linear-gradient(180deg,#EFF3FE,var(--bg))}
.gal-grid{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:190px;gap:14px}
.gal{position:relative;border-radius:var(--r);overflow:hidden;cursor:zoom-in;background:#DDE4F5}
.gal img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .7s var(--ease)}
.gal:hover img{transform:scale(1.06)}
.gal .cap{position:absolute;left:0;right:0;bottom:0;padding:34px 18px 14px;font-size:13px;letter-spacing:1.5px;color:#fff;background:linear-gradient(180deg,transparent,rgba(10,20,64,.72));opacity:0;transform:translateY(8px);transition:.45s var(--ease)}
.gal:hover .cap{opacity:1;transform:none}
.gal.f{grid-column:span 2;grid-row:span 2}
.gal.w{grid-column:span 2}
@media(max-width:880px){
  .gal-grid{grid-template-columns:repeat(2,1fr);grid-auto-rows:150px}
  .gal .cap{opacity:1;transform:none;padding:26px 12px 10px;font-size:11.5px}
}
/* 灯箱 */
#lightbox{position:fixed;inset:0;z-index:1100;background:rgba(6,10,26,.86);backdrop-filter:blur(10px);display:none;align-items:center;justify-content:center;padding:4vw;cursor:zoom-out}
#lightbox.show{display:flex}
#lightbox img{max-width:100%;max-height:100%;border-radius:14px;box-shadow:0 30px 90px rgba(0,0,0,.5)}
#lightbox .lb-cap{position:absolute;bottom:24px;left:0;right:0;text-align:center;color:#fff;font-size:14px;letter-spacing:2px}

/* ====== 主营业务 ====== */
#biz{background:var(--white)}
.biz-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(12px,1.8vw,20px)}
.biz-card{padding:clamp(24px,2.6vw,32px) clamp(18px,2vw,26px);position:relative;overflow:hidden}
.biz-card .glyph{width:54px;height:54px;margin-bottom:18px;border-radius:14px;background:var(--grad2);display:flex;align-items:center;justify-content:center;box-shadow:0 10px 22px -8px rgba(10,92,255,.45)}
.biz-card .glyph svg{width:26px;height:26px}
.biz-card h3{font-size:16.5px;letter-spacing:2px;margin-bottom:8px}
.biz-card .en{font-family:var(--lat);font-size:10px;font-weight:600;letter-spacing:2px;color:var(--blue);text-transform:uppercase;display:block;margin-bottom:10px}
.biz-card p{font-size:13px;color:var(--dim)}
@media(max-width:1024px){.biz-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.biz-grid{grid-template-columns:1fr}}

/* ====== 新闻资讯 ====== */
#news{background:var(--white)}
.news-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(14px,2vw,22px);align-items:stretch}
.news-feat{display:flex;flex-direction:column;overflow:hidden}
.news-feat .cover{height:210px;background:linear-gradient(135deg,#0A5CFF,#7C3BFF 65%,#FF5CA8 130%);position:relative;display:flex;align-items:center;justify-content:center}
.news-feat .cover::after{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 70% 90% at 82% -8%,rgba(255,255,255,.35),transparent 60%)}
.news-feat .cover svg{width:64px;height:64px;opacity:.95}
.news-feat .nb{padding:22px 26px 26px;flex:1;display:flex;flex-direction:column}
.news-tag{align-self:flex-start;font-size:11px;letter-spacing:2px;color:var(--blue);background:rgba(10,92,255,.08);border-radius:999px;padding:3px 12px;margin-bottom:12px}
.news-feat h3{font-size:18.5px;letter-spacing:1.5px;line-height:1.6;margin-bottom:8px}
.news-feat p{font-size:13.2px;color:var(--dim);flex:1}
.news-date{font-family:var(--lat);font-size:12px;font-weight:600;letter-spacing:1.5px;color:var(--dim);margin-top:14px}
.news-list{display:flex;flex-direction:column;gap:clamp(12px,1.6vw,16px)}
.news-item{flex:1;display:flex;align-items:center;gap:clamp(14px,2vw,22px);padding:18px clamp(18px,2.2vw,26px);cursor:pointer}
.news-item .dt{flex:none;text-align:center;font-family:var(--lat);line-height:1.2}
.news-item .dt b{display:block;font-size:24px;font-weight:800;background:var(--grad2);-webkit-background-clip:text;background-clip:text;color:transparent}
.news-item .dt span{font-size:11px;font-weight:600;color:var(--dim);letter-spacing:1px}
.news-item .tx{flex:1}
.news-item h4{font-size:14.8px;font-weight:700;letter-spacing:1px;line-height:1.6}
.news-item p{font-size:12.2px;color:var(--dim);margin-top:2px}
.news-item .ar{flex:none;width:34px;height:34px;border-radius:50%;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--blue);transition:.3s}
.news-item:hover .ar{background:var(--grad2);border-color:transparent;color:#fff;transform:translateX(3px)}
.news-more{margin-top:16px;display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:880px){.news-more{grid-template-columns:1fr}}
@media(max-width:880px){.news-grid{grid-template-columns:1fr}}

#eco{background:linear-gradient(180deg,var(--bg),#EFF3FE)}
.eco-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;max-width:1000px;margin:0 auto}
.eco-card{text-align:center;padding:26px 16px}
.eco-card .lg{width:56px;height:56px;margin:0 auto 14px;border-radius:50%;background:linear-gradient(135deg,rgba(10,92,255,.1),rgba(124,59,255,.12));display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:900}
.eco-card .lg span{background:var(--grad2);-webkit-background-clip:text;background-clip:text;color:transparent;font-family:var(--lat)}
.eco-card h4{font-size:15.5px;letter-spacing:1.5px;margin-bottom:6px;font-weight:700}
.eco-card p{font-size:12.5px;color:var(--dim)}

#coop{background:linear-gradient(120deg,#0A46E4 0%,#6A2BE8 55%,#00A8E8 120%);color:#fff;overflow:hidden}
#coop .blob{opacity:.35}
#coop .cb1{width:44vw;height:44vw;max-width:560px;max-height:560px;background:radial-gradient(circle,#7BB0FF,transparent 65%);top:-24%;right:-10%;animation:drift2 18s ease-in-out infinite}
#coop .cb2{width:38vw;height:38vw;max-width:480px;max-height:480px;background:radial-gradient(circle,#B49BFF,transparent 65%);bottom:-26%;left:-8%;animation:drift1 21s ease-in-out infinite}
.coop-inner{text-align:center;max-width:880px;margin:0 auto;position:relative;z-index:2}
.coop-slogan{font-size:clamp(25px,4.2vw,46px);letter-spacing:.1em;line-height:1.6}
.coop-quote{margin-top:26px;font-size:clamp(13.5px,1.8vw,16.5px);letter-spacing:3px;color:rgba(255,255,255,.82)}
.coop-desc{margin:16px auto 0;color:rgba(255,255,255,.78);font-size:14.5px;max-width:760px}
.coop-five{display:flex;justify-content:center;gap:clamp(10px,1.6vw,16px);margin:40px 0;flex-wrap:wrap}
.coop-five span{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.35);border-radius:999px;padding:9px 22px;font-size:13.5px;letter-spacing:2.5px;transition:.35s;cursor:default;backdrop-filter:blur(6px)}
.coop-five span:hover{background:rgba(255,255,255,.28);transform:translateY(-2px)}
.btn-white{background:#fff;color:var(--blue);font-weight:700;box-shadow:0 16px 36px -12px rgba(0,0,0,.35)}
.btn-white:hover{transform:translateY(-3px)}

footer{background:#101832;color:#B9C2DC;padding:64px clamp(20px,6vw,80px) 26px}
.foot{max-width:1200px;margin:0 auto}
.foot-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.2fr;gap:clamp(24px,4vw,56px);padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1)}
.foot h5{font-size:14.5px;letter-spacing:3px;color:#fff;margin-bottom:18px;font-weight:700}
.foot-brand .b{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.foot-logo{display:inline-block}
.foot-logo img{height:60px;width:auto;display:block}
.foot-brand .brand-cn{color:#fff}
.foot-brand p{font-size:12.5px;letter-spacing:1px;color:#8E99B8}
.foot ul{list-style:none}
.foot li{font-size:12.8px;margin-bottom:9px;letter-spacing:1px;color:#8E99B8}
.foot li a{transition:.3s}
.foot li a:hover{color:#fff}
.foot-contact li{display:flex;align-items:center;gap:10px}
.foot-contact svg{width:15px;height:15px;flex:none}
.foot-bot{padding-top:22px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:11.5px;color:#6E7994;letter-spacing:1.5px}

@media(max-width:1024px){
  .rmx-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .rmx::before{display:none}
  .rmx-item{padding-top:0}
  .rmx-item .yr{position:static;transform:none;display:block;margin-bottom:6px}
  .rmx-item .nd{display:none}
  .rmx-card{margin-top:0}
  .rmx-grid .rmx-item:last-child{grid-column:1/-1}
  .eco-grid{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:880px){
  .nav-links{position:fixed;inset:0;background:rgba(255,255,255,.97);backdrop-filter:blur(20px);flex-direction:column;justify-content:center;gap:26px;transform:translateX(100%);transition:transform .5s var(--ease)}
  .nav-links.show{transform:none}
  .nav-links a{font-size:18px;letter-spacing:4px}
  #burger{display:block}
  .brand-cn{font-size:14.5px;letter-spacing:1.5px}
  .ov-grid,.mvv{grid-template-columns:1fr}
  .dual-core{flex-direction:column}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .unit-detail ul{grid-template-columns:1fr}
  .rail-btn{display:none}
  .foot-grid{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  html{scroll-behavior:auto}
  .rv{opacity:1;transform:none}
  .hero-chips,.hero-title,.hero-sub,.hero-btns,.hero-stats,.scroll-hint{opacity:1;animation:none}
  .blob{animation:none}
}

/* ====== 子页 Banner ====== */
.page-hero{position:relative;padding:160px 20px 72px;text-align:center;overflow:hidden;background:linear-gradient(180deg,#EAF0FF 0%,#F7F9FF 100%)}
.page-hero .ph-in{position:relative;z-index:2;max-width:900px;margin:0 auto}
.page-hero h1{font-size:clamp(30px,4.8vw,54px);font-weight:900;letter-spacing:.06em}
.page-hero h1 span{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.page-hero p{margin-top:14px;color:var(--dim);font-size:clamp(13.5px,1.6vw,16px);letter-spacing:2px}
.page-hero .crumb{font-family:var(--lat);font-size:12px;font-weight:600;letter-spacing:4px;color:var(--blue);text-transform:uppercase;margin-bottom:12px}

/* ================= 移动端观感精调（≤880px，不影响PC） ================= */
@media(max-width:880px){
  /* 全局节奏：缩紧留白与字距 */
  section{padding:60px 18px}
  .sec-head{margin-bottom:34px}
  .sec-title{letter-spacing:.03em}
  .sec-desc{font-size:13.5px;line-height:1.9;margin-top:12px}
  .sec-eyebrow{font-size:11px;letter-spacing:3px}
  .card{border-radius:14px}
  /* 导航 */
  nav{height:62px;padding:0 16px}
  .brand-img{height:40px}
  /* 首屏 */
  .hero-inner{padding:100px 16px 56px}
  .hero-chips{gap:8px;margin-bottom:20px}
  .chip{padding:6px 13px;font-size:11.5px;letter-spacing:1px;gap:6px}
  .hero-title{letter-spacing:.03em;line-height:1.32}
  .hero-sub{font-size:12.8px;letter-spacing:.5px;line-height:2;margin-top:16px}
  .hero-btns{margin-top:28px;gap:12px}
  .btn{padding:12px 26px;font-size:13.5px;letter-spacing:2px}
  .hero-stats{gap:10px;margin-top:44px}
  .hstat{padding:16px 6px 13px;border-radius:14px}
  .reel{font-size:27px}
  .odo small{font-size:12px}
  .hstat .lab{font-size:11px;letter-spacing:2px;margin-top:4px}
  .scroll-hint{display:none}
  .blob{filter:blur(48px)}
  /* 子页 Banner */
  .page-hero{padding:112px 18px 44px}
  .page-hero p{letter-spacing:1px;font-size:12.5px}
  /* 概述 */
  .ov-grid{gap:30px}
  .ov-title{margin-bottom:16px}
  .ov-text p{font-size:14px;line-height:1.95}
  .ov-visual{max-width:300px}
  .dual-core{gap:10px;margin:20px 0}
  .dc{padding:13px 16px}
  .dc-v{font-size:16px}
  .pillars{gap:7px}
  .pillar{padding:10px 2px;border-radius:10px}
  .pillar .zi{font-size:16.5px}
  .pillar .py{font-size:8px;letter-spacing:1px}
  /* 关于我们 */
  .about-hero{min-height:0;padding:26px 22px;border-radius:14px}
  .about-hero .sl{font-size:22px;letter-spacing:.1em;line-height:1.7}
  .about-hero .st{margin-top:22px;gap:20px}
  .about-hero .st div b{font-size:24px}
  .about-hero .st div span{font-size:10.5px}
  .about-card{padding:20px 18px}
  .about-card .ph{height:150px;margin-bottom:12px}
  .about-card p{font-size:13px;line-height:1.9}
  /* 园区实景 */
  .gal-grid{gap:10px;grid-auto-rows:128px}
  .gal{border-radius:12px}
  /* 主营业务 / 战略定位 */
  .biz-card{padding:20px 18px}
  .biz-card .glyph,.mvv-card .glyph{width:46px;height:46px;margin-bottom:14px}
  .mvv-card{padding:20px 18px}
  .mvv-card p,.biz-card p{font-size:12.8px;line-height:1.85}
  /* 十大单元 */
  .ucard{flex:0 0 min(250px,74vw);padding:20px 18px}
  .ucard h3{min-height:0}
  .unit-detail{padding:20px 16px;border-radius:14px}
  .ud-head{gap:10px;margin-bottom:10px}
  .ud-head h3{font-size:17px}
  .unit-detail .lead{font-size:13.5px}
  .unit-detail ul{gap:7px}
  .unit-detail li{font-size:12.8px}
  /* 路线图 */
  .rmx{padding:6px 0 0}
  .rmx-card{padding:16px 15px}
  /* 亮点聚焦 / 新闻 */
  .hl-cover{height:132px}
  .hl-body{padding:18px 18px 22px}
  .hl-body h3{font-size:15.5px}
  .news-feat .cover{height:170px}
  .news-feat .nb{padding:18px 18px 20px}
  .news-feat h3{font-size:16px}
  .news-item{padding:13px 13px;gap:12px}
  .news-item .dt b{font-size:19px}
  .news-item h4{font-size:13.5px;line-height:1.65}
  .news-item p{font-size:11px}
  .news-item .ar{width:30px;height:30px;font-size:13px}
  .news-list,.news-more{gap:12px}
  /* 生态伙伴 */
  .eco-grid{gap:10px}
  .eco-card{padding:18px 10px}
  .eco-card .lg{width:46px;height:46px;font-size:18px;margin-bottom:10px}
  .eco-card h4{font-size:14px}
  .eco-card p{font-size:11.5px}
  /* 合作展望 */
  .coop-slogan{letter-spacing:.06em}
  .coop-quote{letter-spacing:1.5px;margin-top:20px}
  .coop-desc{font-size:13px;line-height:1.95}
  .coop-five{margin:28px 0;gap:8px}
  .coop-five span{padding:8px 16px;font-size:12px;letter-spacing:1.5px}
  /* 页脚 */
  footer{padding:42px 18px 20px}
  .foot-grid{gap:24px;padding-bottom:28px}
  .foot h5{margin-bottom:12px}
  .foot-logo img{height:52px}
  .foot-bot{padding-top:16px;font-size:10.5px}
}
/* ============ 超小屏（≤520px） ============ */
@media(max-width:520px){
  .rmx-grid{grid-template-columns:1fr}
  .rmx-grid .rmx-item:last-child{grid-column:auto}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .hero-title{font-size:31px}
  .page-hero h1{font-size:28px}
  .coop-slogan{font-size:23px}
  .gal-grid{grid-auto-rows:112px}
  .about-hero .st{gap:14px}
  .biz-grid{gap:10px}
}

/* ============ 移动端菜单修复 ============ */
@media(max-width:880px){
  /* 去掉导航的 backdrop-filter，避免其成为 fixed 子元素的包含块 */
  nav.scrolled{background:rgba(255,255,255,.97);backdrop-filter:none;-webkit-backdrop-filter:none}
  /* 菜单改为不透明纯色整屏，可滚动，永远盖住页面内容 */
  .nav-links{background:#F5F8FF;backdrop-filter:none;-webkit-backdrop-filter:none;overflow-y:auto;padding:76px 0 44px;z-index:940}
  body.menu-lock{overflow:hidden}
  body.menu-lock nav{background:#F5F8FF}
}

/* ============ 移动端首屏留白收紧 ============ */
@media(max-width:880px){
  #hero{align-items:flex-start;min-height:0}
  .hero-inner{padding:104px 16px 60px}
  #heroLines,.hero-floorless{min-height:0}
}

/* ============ 关于我们页：去Banner后的排版 ============ */
#about{padding-top:clamp(130px,15vw,168px);background:linear-gradient(180deg,#EAF0FF 0%,#EFF3FE 100%)}
@media(max-width:880px){#about{padding-top:104px}}

/* ============ 工程化增强：过渡/回顶/灯箱切换/滑轨指示 ============ */
body{animation:pageIn .38s ease}
@keyframes pageIn{from{opacity:0}to{opacity:1}}
#toTop{position:fixed;right:18px;bottom:22px;width:44px;height:44px;border-radius:50%;border:none;cursor:pointer;z-index:950;
  background:var(--grad2);color:#fff;font-size:18px;box-shadow:0 12px 26px -8px rgba(10,92,255,.5);
  opacity:0;pointer-events:none;transform:translateY(12px);transition:.35s var(--ease)}
#toTop.show{opacity:1;pointer-events:auto;transform:none}
#toTop:hover{transform:translateY(-3px)}
.lb-btn{position:absolute;top:50%;transform:translateY(-50%);width:46px;height:46px;border-radius:50%;border:none;cursor:pointer;
  background:rgba(255,255,255,.14);color:#fff;font-size:24px;line-height:1;backdrop-filter:blur(6px);transition:.3s}
.lb-btn:hover{background:rgba(255,255,255,.3)}
.lb-prev{left:18px}.lb-next{right:18px}
.rail-dots{display:none}
@media(max-width:880px){
  .rail-dots{display:flex;justify-content:center;gap:7px;margin:2px 0 14px}
  .rail-dots i{width:7px;height:7px;border-radius:99px;background:rgba(10,92,255,.22);transition:.3s var(--ease)}
  .rail-dots i.on{width:20px;background:var(--grad2)}
  #toTop{right:14px;bottom:16px;width:40px;height:40px}
}
.news-item{cursor:default}

/* ============ 主营业务：淡渐变底 · 素雅卡 ============ */
#biz{background:linear-gradient(150deg,#EBF2FF 0%,#F4EFFF 46%,#FBFDFF 100%);position:relative;overflow:hidden}
#biz::before{content:'';position:absolute;inset:0;pointer-events:none;background:
  radial-gradient(ellipse 46% 40% at 88% 6%,rgba(124,59,255,.06),transparent 65%),
  radial-gradient(ellipse 44% 38% at 6% 96%,rgba(10,92,255,.06),transparent 65%)}
#biz .wrap{position:relative}
.biz-card{background:rgba(255,255,255,.86);backdrop-filter:blur(6px);border:1px solid rgba(255,255,255,.95);border-radius:var(--r);padding:26px 24px 28px;position:relative;overflow:hidden;box-shadow:0 14px 36px -24px rgba(43,80,200,.28)}
.biz-card:hover{transform:translateY(-6px);box-shadow:0 24px 48px -22px rgba(43,80,200,.38);border-color:rgba(255,255,255,.95)}
/* 顶部发丝渐变线：悬停淡入 */
.biz-card::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:var(--grad);opacity:0;transition:opacity .45s var(--ease)}
.biz-card:hover::before{opacity:1}
/* 顶行：渐变图标 × 幽灵编号 */
.biz-top{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:16px}
.biz-card .biz-top .glyph{width:50px;height:50px;margin:0;border-radius:14px;background:var(--grad2);display:flex;align-items:center;justify-content:center;box-shadow:0 10px 22px -8px rgba(10,92,255,.4);border:none;transition:.4s}
.biz-card:hover .glyph{transform:scale(1.06) rotate(-3deg)}
.bno{font-family:var(--lat);font-size:46px;font-weight:800;line-height:.9;background:var(--grad2);-webkit-background-clip:text;background-clip:text;color:transparent;opacity:.13;transition:.4s}
.biz-card:hover .bno{opacity:.26}
.biz-card h3{margin:0 0 4px}
.biz-card .en{margin:0 0 10px}
.biz-card p{margin:0}
@media(max-width:880px){
  #biz{background:linear-gradient(165deg,#EDF3FF 0%,#F5F0FF 55%,#FBFDFF 100%)}
  .biz-card{padding:20px 18px 22px}
  .biz-card .biz-top .glyph{width:44px;height:44px;border-radius:12px}
  .bno{font-size:38px}
}

/* 六柱条移动端两行 */
@media(max-width:880px){
  .pillars{grid-template-columns:repeat(3,1fr)}
  .pillars::before{display:none}
}

/* ===== 05 低空智能装备（新增，仅追加不改动原有规则） ===== */
.hl-cover.video{padding:0;background:#000}
.hl-cover.video video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hl-cover.video::after{background:radial-gradient(ellipse 70% 90% at 80% -10%,rgba(255,255,255,.12),transparent 60%)}
#fleet .fleet-feature{overflow:hidden;padding:0;background:#05070F}
#fleet .fleet-feature img{display:block;width:100%;height:clamp(240px,38vw,460px);object-fit:cover}
#fleet .fleet-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(14px,2vw,22px);margin-top:clamp(14px,2vw,22px)}
#fleet .fleet-item{overflow:hidden;padding:0;background:#05070F;display:flex;flex-direction:column}
#fleet .fleet-item video{display:block;width:100%;aspect-ratio:16/9;object-fit:cover}
#fleet .fleet-item span{display:block;padding:14px 18px;font-size:13px;letter-spacing:1.5px;color:var(--dim);background:var(--white)}
@media(max-width:880px){#fleet .fleet-grid{grid-template-columns:1fr}}

/* ===== 关于我们左栏照片面板（新增，仅追加） ===== */
.about-hero .sp{position:relative;flex:1;margin-top:clamp(20px,2.4vw,28px);border-radius:12px;overflow:hidden;min-height:150px;box-shadow:0 10px 30px -12px rgba(5,10,40,.45)}
.about-hero .sp img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.about-hero .sp::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,14,44,0) 45%,rgba(8,14,44,.55));pointer-events:none}
.about-hero .sp .cap{position:absolute;left:14px;bottom:11px;z-index:2;font-size:11.5px;letter-spacing:2px;color:rgba(255,255,255,.92)}
.about-hero .st{margin-top:clamp(20px,2.4vw,28px)}
@media(max-width:880px){.about-hero .sp{min-height:180px}}

/* ===== 低空智能装备 · 移动端精调（仅追加） ===== */
@media(max-width:880px){
  #fleet .fleet-feature img{height:200px}
  #fleet .fleet-grid{gap:12px;margin-top:12px}
  #fleet .fleet-item span{padding:11px 14px;font-size:11.5px;letter-spacing:1px}
  .hl-cover.video{height:150px}
}
@media(max-width:520px){
  #fleet .fleet-feature img{height:170px}
}