/* ============ 基础 ============ */
:root{
  --bg:#04060f;
  --bg2:#080d1f;
  --cyan:#00e5ff;
  --blue:#3d7bff;
  --purple:#8b5cf6;
  --pink:#ff4d8f;
  --text:#e8f0ff;
  --muted:#8fa3c8;
  --glass:rgba(255,255,255,.045);
  --border:rgba(120,180,255,.16);
  --radius:18px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  background:var(--bg);color:var(--text);
  overflow-x:hidden;line-height:1.7;
}
::selection{background:rgba(0,229,255,.3)}
::-webkit-scrollbar{width:9px}
::-webkit-scrollbar-track{background:#05070f}
::-webkit-scrollbar-thumb{background:linear-gradient(180deg,#00e5ff,#8b5cf6);border-radius:99px}

/* ============ 3D 背景 ============ */
#bg3d{position:fixed;inset:0;z-index:0;pointer-events:none}
.bg-overlay{
  position:fixed;inset:0;z-index:1;pointer-events:none;
  background:
    radial-gradient(1200px 800px at 75% -10%,rgba(59,123,255,.14),transparent 60%),
    radial-gradient(1000px 700px at 10% 110%,rgba(139,92,246,.12),transparent 60%),
    radial-gradient(600px 400px at 50% 50%,rgba(0,229,255,.05),transparent 70%);
}
#grid-overlay{
  position:fixed;inset:0;z-index:1;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(0,229,255,.05) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(0,229,255,.05) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse 80% 60% at 50% 40%,#000 30%,transparent 75%);
  -webkit-mask-image:radial-gradient(ellipse 80% 60% at 50% 40%,#000 30%,transparent 75%);
}

/* ============ 鼠标光晕 ============ */
#cursor-glow{
  position:fixed;width:420px;height:420px;border-radius:50%;z-index:2;pointer-events:none;
  background:radial-gradient(circle,rgba(0,229,255,.10),rgba(139,92,246,.06) 40%,transparent 70%);
  transform:translate(-50%,-50%);left:0;top:0;mix-blend-mode:screen;
}

/* ============ 加载页 ============ */
#loader{
  position:fixed;inset:0;z-index:1000;background:#04060f;display:flex;
  flex-direction:column;align-items:center;justify-content:center;gap:22px;
  transition:opacity .8s ease,visibility .8s;
}
#loader.hide{opacity:0;visibility:hidden}
.loader-ring{
  width:74px;height:74px;border-radius:50%;position:relative;
  border:2px solid rgba(0,229,255,.15);border-top-color:var(--cyan);
  animation:spin 1.1s linear infinite;
}
.loader-ring::after{
  content:"";position:absolute;inset:9px;border-radius:50%;
  border:2px solid rgba(139,92,246,.15);border-bottom-color:var(--purple);
  animation:spin 1.6s linear infinite reverse;
}
@keyframes spin{to{transform:rotate(360deg)}}
.loader-text{font-size:13px;letter-spacing:6px;color:var(--muted);text-transform:uppercase}
.loader-bar{width:220px;height:2px;background:rgba(255,255,255,.08);border-radius:99px;overflow:hidden}
.loader-bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--cyan),var(--purple));transition:width .3s}

/* ============ 导航 ============ */
nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 5vw;transition:all .4s;
}
nav.scrolled{
  background:rgba(5,8,18,.75);backdrop-filter:blur(18px);
  border-bottom:1px solid var(--border);padding:12px 5vw;
}
.logo{display:flex;align-items:center;gap:12px;text-decoration:none}
.logo-mark{
  width:42px;height:42px;border-radius:12px;position:relative;overflow:hidden;
  background:linear-gradient(135deg,var(--cyan),var(--blue) 50%,var(--purple));
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 0 24px rgba(0,229,255,.45);
}
.logo-mark span{font-size:22px;font-weight:800;color:#fff;text-shadow:0 2px 8px rgba(0,0,0,.4)}
.logo-name{font-size:19px;font-weight:700;letter-spacing:1px;white-space:nowrap}
.logo-name small{display:block;font-size:10px;color:var(--muted);letter-spacing:3px;font-weight:400}
.nav-links{display:flex;gap:30px;list-style:none;align-items:center}
.nav-links a{color:var(--muted);text-decoration:none;font-size:14.5px;position:relative;transition:color .3s}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:-6px;height:2px;width:0;
  background:linear-gradient(90deg,var(--cyan),var(--purple));
  transition:width .35s;border-radius:2px;
}
.nav-links a:hover,.nav-links a.active{color:#fff}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}

/* 下拉菜单(二级页面集成) */
.has-drop{position:relative}
.has-drop>a{display:inline-flex;align-items:center;gap:6px}
.has-drop>a .caret{font-size:9px;color:var(--muted);transition:transform .3s}
.has-drop:hover>a .caret,.has-drop.open>a .caret{transform:rotate(180deg)}
.drop{
  position:absolute;top:calc(100% + 16px);left:50%;transform:translate(-50%,10px);
  min-width:230px;padding:10px;border-radius:14px;
  background:rgba(6,10,22,.94);border:1px solid var(--border);backdrop-filter:blur(20px);
  display:flex;flex-direction:column;gap:2px;
  opacity:0;visibility:hidden;transition:all .3s;z-index:120;
  box-shadow:0 18px 44px rgba(0,0,0,.5);
}
.drop a{padding:9px 14px;border-radius:10px;font-size:13.5px;color:var(--muted);white-space:nowrap}
.drop a::after{display:none}
.drop a:hover{color:#fff;background:rgba(0,229,255,.09)}
.drop a .d-ico{margin-right:8px;font-size:14px}
.has-drop:hover .drop,.has-drop.open .drop{opacity:1;visibility:visible;transform:translate(-50%,0)}
.drop-head{
  padding:8px 14px 6px;font-size:11px;letter-spacing:2px;color:var(--cyan);
  border-bottom:1px solid var(--border);margin-bottom:4px;text-transform:uppercase;
}

.nav-cta{
  padding:9px 22px;border-radius:99px;text-decoration:none;font-size:14px;font-weight:600;
  color:#fff;background:linear-gradient(135deg,var(--cyan),var(--blue) 60%,var(--purple));
  box-shadow:0 0 20px rgba(0,229,255,.35);transition:transform .3s,box-shadow .3s;
  white-space:nowrap;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 0 32px rgba(0,229,255,.55)}
#menu-btn{display:none;background:none;border:1px solid var(--border);color:#fff;font-size:20px;padding:6px 12px;border-radius:10px;cursor:pointer;min-width:44px;min-height:44px;touch-action:manipulation}

/* ============ 通用 section ============ */
main{position:relative;z-index:3}
section{position:relative;padding:110px 5vw;max-width:1440px;margin:0 auto}
.sec-tag{
  display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:99px;
  border:1px solid var(--border);background:var(--glass);
  font-size:12.5px;letter-spacing:3px;color:var(--cyan);text-transform:uppercase;
  backdrop-filter:blur(8px);margin-bottom:20px;
}
.sec-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan)}
.sec-title{
  font-size:clamp(30px,4.6vw,52px);font-weight:800;line-height:1.25;
  background:linear-gradient(120deg,#fff 30%,var(--cyan) 60%,var(--purple));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  margin-bottom:18px;
}
.sec-sub{color:var(--muted);font-size:16px;max-width:720px;margin-bottom:60px}
.reveal{opacity:1;transform:none;will-change:opacity,transform}

/* ============ 二级页面 Hero ============ */
.page-hero{
  position:relative;padding:170px 5vw 60px;max-width:1440px;margin:0 auto;
}
.page-hero .ph-en{font-size:12.5px;letter-spacing:8px;color:var(--muted);text-transform:uppercase;margin-bottom:14px}
.page-hero h1{
  font-size:clamp(34px,5.2vw,60px);font-weight:900;line-height:1.2;margin-bottom:18px;
  background:linear-gradient(120deg,#fff 25%,var(--cyan) 60%,var(--purple));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.page-hero .ph-sub{color:var(--muted);font-size:16px;max-width:760px}
.breadcrumb{
  display:inline-flex;align-items:center;gap:9px;margin-top:22px;padding:8px 16px;border-radius:99px;
  background:var(--glass);border:1px solid var(--border);font-size:12.5px;color:var(--muted);
}
.breadcrumb a{color:var(--cyan);text-decoration:none}
.breadcrumb a:hover{text-decoration:underline}
.breadcrumb .sep{color:var(--muted);opacity:.6}
.breadcrumb .cur{color:var(--text)}

/* ============ 页面内锚点导航(二级导航) ============ */
.sub-nav-wrap{
  position:sticky;top:80px;align-self:start;
  display:flex;flex-direction:column;gap:4px;padding:16px;border-radius:var(--radius);
  background:var(--glass);border:1px solid var(--border);backdrop-filter:blur(12px);
}
.sub-nav-wrap h6{font-size:12px;letter-spacing:2px;color:var(--muted);padding:4px 12px 10px;text-transform:uppercase;border-bottom:1px solid var(--border);margin-bottom:6px}
.sub-nav-wrap a{
  padding:9px 14px;border-radius:10px;font-size:13.5px;color:var(--muted);text-decoration:none;
  display:flex;align-items:center;gap:9px;transition:all .3s;
}
.sub-nav-wrap a::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--border);transition:all .3s;flex-shrink:0}
.sub-nav-wrap a:hover{color:#fff;background:rgba(0,229,255,.07)}
.sub-nav-wrap a:hover::before{background:var(--cyan);box-shadow:0 0 8px var(--cyan)}
.sub-nav-wrap a.on{color:#fff;background:rgba(0,229,255,.1)}
.sub-nav-wrap a.on::before{background:var(--cyan);box-shadow:0 0 8px var(--cyan)}
.sub-layout{display:grid;grid-template-columns:250px 1fr;gap:40px;align-items:start}

/* ============ 详情内容块 ============ */
.dblock{
  padding:40px;border-radius:var(--radius);background:var(--glass);
  border:1px solid var(--border);backdrop-filter:blur(10px);margin-bottom:26px;
  scroll-margin-top:110px;
}
.dblock:target{animation:blockFlash 1.6s ease}
@keyframes blockFlash{0%,60%{border-color:rgba(0,229,255,.65);box-shadow:0 0 0 4px rgba(0,229,255,.12)}100%{border-color:var(--border)}}
.dblock .db-head{display:flex;align-items:center;gap:16px;margin-bottom:16px;flex-wrap:wrap}
.dblock .db-ico{
  width:56px;height:56px;border-radius:15px;flex-shrink:0;font-size:27px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(0,229,255,.15),rgba(139,92,246,.15));
  border:1px solid var(--border);
}
.dblock h3{font-size:23px;font-weight:800}
.dblock .db-en{font-size:11.5px;letter-spacing:3px;color:var(--muted);text-transform:uppercase;margin-top:3px}
.dblock .db-lead{color:var(--muted);font-size:14.5px;margin-bottom:22px}
.dblock h4{font-size:15.5px;margin:24px 0 12px;display:flex;align-items:center;gap:8px}
.dblock h4::before{content:"";width:4px;height:16px;border-radius:4px;background:linear-gradient(180deg,var(--cyan),var(--purple))}
.dblock p.body{color:var(--muted);font-size:14px;margin-bottom:12px}
.dblock p.body strong{color:#fff}

.cap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.cap{
  padding:18px;border-radius:14px;background:rgba(5,10,24,.55);
  border:1px solid var(--border);transition:all .3s;
}
.cap:hover{border-color:rgba(0,229,255,.45);transform:translateY(-4px)}
.cap .c-ico{font-size:22px;display:block;margin-bottom:8px}
.cap b{display:block;font-size:14px;margin-bottom:5px}
.cap span{font-size:12.5px;color:var(--muted);line-height:1.6}

.li-check{list-style:none;display:flex;flex-direction:column;gap:10px}
.li-check li{
  display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--text);
  padding:11px 15px;border-radius:12px;background:rgba(5,10,24,.55);border:1px solid var(--border);
}
.li-check li::before{
  content:"✓";color:var(--cyan);font-weight:800;flex-shrink:0;
  width:21px;height:21px;border-radius:50%;background:rgba(0,229,255,.12);
  display:inline-flex;align-items:center;justify-content:center;font-size:11px;margin-top:2px;
}
.li-arrow{list-style:none;display:flex;flex-direction:column;gap:10px}
.li-arrow li{
  display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--muted);
  padding:11px 15px;border-radius:12px;background:rgba(5,10,24,.55);border:1px solid var(--border);
}
.li-arrow li::before{content:"→";color:var(--cyan);flex-shrink:0;font-weight:700}

.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag-row span{
  font-size:12px;padding:5px 12px;border-radius:99px;color:var(--cyan);
  background:rgba(0,229,255,.08);border:1px solid rgba(0,229,255,.22);
}

/* ============ 数据条带 ============ */
.stat-band{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin:0 5vw 70px;max-width:1440px;margin-left:auto;margin-right:auto;
}
.stat-band .st{
  text-align:center;padding:30px 16px;border-radius:var(--radius);
  background:var(--glass);border:1px solid var(--border);backdrop-filter:blur(10px);
}
.stat-band .st .n{
  font-size:clamp(28px,3.2vw,42px);font-weight:900;
  background:linear-gradient(120deg,var(--cyan),var(--purple));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.stat-band .st .l{font-size:13px;color:var(--muted);margin-top:6px}

/* ============ 时间线 ============ */
.timeline{position:relative;padding-left:38px}
.timeline::before{
  content:"";position:absolute;left:11px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--cyan),var(--purple));opacity:.4;border-radius:2px;
}
.tl-item{position:relative;padding:0 0 34px}
.tl-item::before{
  content:"";position:absolute;left:-34px;top:6px;width:12px;height:12px;border-radius:50%;
  background:var(--bg);border:2.5px solid var(--cyan);box-shadow:0 0 14px rgba(0,229,255,.6);
}
.tl-item:last-child{padding-bottom:0}
.tl-item .tl-year{
  font-size:12px;letter-spacing:2px;color:var(--cyan);font-weight:700;margin-bottom:4px;
}
.tl-item h4{font-size:18px;margin-bottom:8px}
.tl-item p{font-size:13.5px;color:var(--muted);max-width:640px}

/* ============ 流程步骤卡 ============ */
.step-card{
  display:grid;grid-template-columns:64px 1fr;gap:22px;padding:32px;border-radius:var(--radius);
  background:var(--glass);border:1px solid var(--border);backdrop-filter:blur(10px);margin-bottom:20px;
  scroll-margin-top:110px;transition:border-color .3s;
}
.step-card:hover{border-color:rgba(0,229,255,.4)}
.step-card .step-no{
  width:64px;height:64px;border-radius:18px;font-size:22px;font-weight:900;
  background:linear-gradient(135deg,var(--cyan),var(--blue) 60%,var(--purple));color:#04121f;
  display:flex;align-items:center;justify-content:center;box-shadow:0 0 22px rgba(0,229,255,.3);
}
.step-card h3{font-size:20px;margin-bottom:8px}
.step-card .deliver{
  margin-top:14px;font-size:12.5px;color:var(--muted);
  padding:9px 14px;border-radius:10px;background:rgba(139,92,246,.1);border:1px solid rgba(139,92,246,.3);display:inline-block;
}
.step-card .deliver b{color:#c4b5fd}

/* ============ 案例卡(大) ============ */
.case-full{
  padding:34px;border-radius:var(--radius);background:var(--glass);
  border:1px solid var(--border);backdrop-filter:blur(10px);margin-bottom:22px;scroll-margin-top:110px;
}
.case-full .case-head{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px;margin-bottom:10px}
.case-full .industry{font-size:12px;letter-spacing:2px;color:var(--purple);text-transform:uppercase}
.case-full h3{font-size:20px;margin-bottom:12px}
.case-metrics{display:flex;gap:14px;flex-wrap:wrap;margin:18px 0}
.case-metrics div{flex:1;min-width:110px;text-align:center;padding:12px 8px;border-radius:12px;background:rgba(0,229,255,.06);border:1px solid rgba(0,229,255,.14)}
.case-metrics b{display:block;font-size:20px;background:linear-gradient(120deg,#fff,var(--cyan));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.case-metrics span{font-size:11.5px;color:var(--muted)}

/* ============ 证言 ============ */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.quote-card{
  padding:28px;border-radius:var(--radius);background:var(--glass);
  border:1px solid var(--border);backdrop-filter:blur(10px);position:relative;
}
.quote-card::before{
  content:"“";position:absolute;top:10px;right:20px;font-size:64px;line-height:1;
  background:linear-gradient(180deg,var(--cyan),var(--purple));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;opacity:.35;
}
.quote-card p{font-size:13.5px;color:var(--muted);margin-bottom:18px}
.quote-card .q-who{display:flex;align-items:center;gap:12px}
.quote-card .q-avatar{
  width:40px;height:40px;border-radius:50%;flex-shrink:0;font-size:16px;
  background:linear-gradient(135deg,rgba(0,229,255,.2),rgba(139,92,246,.2));
  border:1px solid var(--border);display:flex;align-items:center;justify-content:center;
}
.quote-card .q-who b{display:block;font-size:13.5px}
.quote-card .q-who span{font-size:12px;color:var(--muted)}

/* ============ 联系页 ============ */
.map-card{
  margin-top:26px;padding:40px;border-radius:var(--radius);text-align:center;
  background:
    radial-gradient(500px 260px at 50% 0%,rgba(0,229,255,.08),transparent),
    var(--glass);
  border:1px solid var(--border);backdrop-filter:blur(10px);
}
.map-card .big{font-size:54px;display:block;margin-bottom:14px;filter:drop-shadow(0 0 20px rgba(0,229,255,.4))}
.map-card h3{font-size:20px;margin-bottom:8px}
.map-card p{font-size:13.5px;color:var(--muted)}
.faq-item{padding:22px 26px;border-radius:14px;background:var(--glass);border:1px solid var(--border);margin-bottom:12px}
.faq-item b{font-size:14.5px;display:block;margin-bottom:6px}
.faq-item p{font-size:13.5px;color:var(--muted)}

/* ============ Hero(首页) ============ */
#hero{
  min-height:100vh;display:flex;flex-direction:column;justify-content:center;
  padding-top:120px;position:relative;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:10px;padding:9px 20px;border-radius:99px;
  background:var(--glass);border:1px solid var(--border);backdrop-filter:blur(10px);
  font-size:13.5px;color:var(--text);margin-bottom:28px;width:fit-content;
  animation:fadeUp .9s .2s both;
}
.hero-badge .dot{width:8px;height:8px;border-radius:50%;background:#22e58a;box-shadow:0 0 12px #22e58a;animation:pulse 1.8s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
@keyframes fadeUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:none}}
.hero-title{
  font-size:clamp(40px,7.4vw,88px);font-weight:900;line-height:1.12;letter-spacing:1px;
  margin-bottom:22px;position:relative;z-index:2;
}
.hero-title .grad{
  background:linear-gradient(120deg,var(--cyan),var(--blue) 45%,var(--purple) 80%);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  filter:drop-shadow(0 0 26px rgba(0,229,255,.35));
}
.hero-en{
  font-size:13px;letter-spacing:10px;color:var(--muted);text-transform:uppercase;margin-bottom:16px;
  animation:fadeUp .9s .35s both;
}
.hero-desc{
  font-size:clamp(15px,1.6vw,19px);color:var(--muted);max-width:640px;margin-bottom:38px;
  min-height:3.2em;animation:fadeUp .9s .5s both;
}
.hero-desc .type-cursor{color:var(--cyan);animation:blink .8s infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:0}}
.hero-btns{display:flex;gap:18px;flex-wrap:wrap;animation:fadeUp .9s .65s both}
.btn{
  padding:14px 34px;border-radius:14px;font-size:15.5px;font-weight:600;text-decoration:none;
  transition:transform .3s,box-shadow .3s,background .3s;position:relative;overflow:hidden;
}
.btn-primary{
  color:#04121f;background:linear-gradient(135deg,var(--cyan),var(--blue));
  box-shadow:0 8px 30px rgba(0,229,255,.35);
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 12px 44px rgba(0,229,255,.55)}
.btn-ghost{
  color:#fff;border:1px solid var(--border);background:var(--glass);backdrop-filter:blur(8px);
}
.btn-ghost:hover{transform:translateY(-3px);border-color:var(--cyan);background:rgba(0,229,255,.08)}
.hero-stats{
  display:flex;gap:clamp(24px,5vw,72px);margin-top:70px;flex-wrap:wrap;
  animation:fadeUp .9s .8s both;
}
.hstat .num{
  font-size:clamp(26px,3.4vw,42px);font-weight:800;
  background:linear-gradient(120deg,#fff,var(--cyan));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.hstat .lbl{font-size:13px;color:var(--muted);letter-spacing:1px}
.scroll-hint{
  position:absolute;bottom:34px;left:50%;transform:translateX(-50%);
  display:flex;flex-direction:column;align-items:center;gap:8px;color:var(--muted);font-size:12px;letter-spacing:3px;
  animation:fadeUp 1s 1.1s both;
}
.scroll-hint .wheel{width:24px;height:40px;border:2px solid var(--muted);border-radius:14px;position:relative}
.scroll-hint .wheel::after{
  content:"";position:absolute;top:7px;left:50%;transform:translateX(-50%);
  width:4px;height:8px;border-radius:4px;background:var(--cyan);
  animation:wheel 1.6s infinite;
}
@keyframes wheel{0%{opacity:1;top:7px}100%{opacity:0;top:22px}}

/* ============ 关于(首页) ============ */
#about .about-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:54px;align-items:center}
.about-text p{color:var(--muted);font-size:15.5px;margin-bottom:16px}
.about-text strong{color:#fff}
.about-cards{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.acard{
  padding:24px;border-radius:var(--radius);background:var(--glass);
  border:1px solid var(--border);backdrop-filter:blur(10px);
  transition:transform .35s,border-color .35s,box-shadow .35s;
}
.acard:hover{transform:translateY(-6px);border-color:rgba(0,229,255,.5);box-shadow:0 14px 40px rgba(0,229,255,.12)}
.acard .ico{font-size:26px;margin-bottom:12px;display:block}
.acard h4{font-size:16px;margin-bottom:8px}
.acard p{font-size:13.5px;color:var(--muted)}

/* ============ 营业范围(首页) ============ */
.scope-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.scope-card{
  position:relative;padding:30px 26px;border-radius:var(--radius);
  background:var(--glass);border:1px solid var(--border);backdrop-filter:blur(10px);
  transition:transform .4s,border-color .4s,box-shadow .4s;overflow:hidden;
}
.scope-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--cyan),var(--purple));
  transform:scaleX(0);transform-origin:left;transition:transform .5s;
}
.scope-card:hover::before{transform:scaleX(1)}
.scope-card:hover{transform:translateY(-8px) rotateX(3deg);border-color:rgba(0,229,255,.45);box-shadow:0 20px 50px rgba(0,229,255,.14)}
.scope-card .ico{
  width:54px;height:54px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  font-size:26px;margin-bottom:18px;
  background:linear-gradient(135deg,rgba(0,229,255,.14),rgba(139,92,246,.14));
  border:1px solid var(--border);
}
.scope-card h3{font-size:17.5px;margin-bottom:10px}
.scope-card p{font-size:13.5px;color:var(--muted);margin-bottom:14px}
.scope-card .card-link{display:inline-block;font-size:12.5px;color:var(--cyan);text-decoration:none;transition:all .3s}
.scope-card .card-link:hover{text-decoration:underline;letter-spacing:.5px}
.scope-card.ext-card::before{background:linear-gradient(90deg,var(--purple),var(--cyan))}
.scope-card.ext-card .ico{background:rgba(139,92,246,.14);box-shadow:0 0 18px rgba(139,92,246,.18)}
.scope-card.ext-card h3::after{content:"延伸";display:inline-block;font-size:10px;font-weight:600;color:var(--purple);border:1px solid rgba(139,92,246,.4);border-radius:99px;padding:2px 8px;margin-left:8px;vertical-align:3px;letter-spacing:1px}
.tags{display:flex;flex-wrap:wrap;gap:7px}
.tags span{
  font-size:11.5px;padding:4px 10px;border-radius:99px;color:var(--cyan);
  background:rgba(0,229,255,.08);border:1px solid rgba(0,229,255,.2);
}

/* ============ 服务模式(首页) ============ */
.model-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.model-card{
  display:flex;gap:22px;padding:32px;border-radius:var(--radius);
  background:var(--glass);border:1px solid var(--border);backdrop-filter:blur(10px);
  transition:transform .4s,border-color .4s;
}
.model-card:hover{transform:translateY(-6px);border-color:rgba(139,92,246,.5)}
.model-num{
  font-size:44px;font-weight:900;line-height:1;
  background:linear-gradient(180deg,var(--cyan),transparent);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  opacity:.9;flex-shrink:0;
}
.model-card h3{font-size:19px;margin-bottom:10px}
.model-card p{font-size:14px;color:var(--muted)}
.model-card .m-tag{
  display:inline-block;margin-top:14px;font-size:12px;padding:5px 12px;border-radius:99px;
  background:rgba(139,92,246,.12);border:1px solid rgba(139,92,246,.3);color:#c4b5fd;
}

/* ============ 服务流程(横向滚动) ============ */
#process{padding:110px 0}
#process .sec-head{padding:0 5vw;max-width:1440px;margin:0 auto 30px}
.flow-wrap{overflow:hidden}
.flow-track{display:flex;gap:26px;padding:20px 5vw;width:max-content;align-items:stretch}
.flow-node{
  width:340px;flex-shrink:0;padding:30px 26px;border-radius:var(--radius);
  background:var(--glass);border:1px solid var(--border);backdrop-filter:blur(10px);
  position:relative;
}
.flow-node .step{
  font-size:12px;letter-spacing:3px;color:var(--cyan);text-transform:uppercase;margin-bottom:14px;display:flex;align-items:center;gap:10px;
}
.flow-node .step i{font-style:normal;width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--cyan),var(--blue));color:#04121f;font-weight:800;display:inline-flex;align-items:center;justify-content:center;font-size:14px;letter-spacing:0}
.flow-node h3{font-size:18px;margin-bottom:10px}
.flow-node p{font-size:13.5px;color:var(--muted)}
.flow-line{
  position:absolute;top:47px;left:calc(5vw + 340px);right:0;height:2px;
  background:linear-gradient(90deg,var(--cyan),var(--purple));opacity:.35;
}
.flow-hint{text-align:center;color:var(--muted);font-size:13px;letter-spacing:2px;margin-top:36px}
.flow-hint .arr{color:var(--cyan);animation:slide 1.4s infinite;display:inline-block;margin-left:6px}
@keyframes slide{0%,100%{transform:translateX(0);opacity:1}50%{transform:translateX(8px);opacity:.4}}

/* ============ 服务内容(tabs) ============ */
.tabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:36px}
.tab-btn{
  padding:10px 20px;border-radius:99px;font-size:14px;cursor:pointer;color:var(--muted);
  background:var(--glass);border:1px solid var(--border);transition:all .3s;
}
.tab-btn:hover{color:#fff;border-color:rgba(0,229,255,.5)}
.tab-btn.on{color:#04121f;font-weight:600;background:linear-gradient(135deg,var(--cyan),var(--blue));border-color:transparent;box-shadow:0 0 22px rgba(0,229,255,.4)}
.tab-panel{display:none;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.tab-panel.on{display:grid;animation:fadeUp .5s both}
.tab-panel h3{font-size:26px;margin-bottom:14px}
.tab-panel .lead{color:var(--muted);font-size:15px;margin-bottom:22px}
.feature-list{list-style:none;display:flex;flex-direction:column;gap:12px}
.feature-list li{
  display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:var(--text);
  padding:12px 16px;border-radius:12px;background:var(--glass);border:1px solid var(--border);
}
.feature-list li::before{
  content:"✓";color:var(--cyan);font-weight:800;flex-shrink:0;
  width:22px;height:22px;border-radius:50%;background:rgba(0,229,255,.12);
  display:inline-flex;align-items:center;justify-content:center;font-size:12px;margin-top:1px;
}
.tab-visual{
  min-height:320px;border-radius:var(--radius);position:relative;overflow:hidden;
  border:1px solid var(--border);background:radial-gradient(500px 300px at 60% 30%,rgba(0,229,255,.1),transparent),var(--glass);
  display:flex;align-items:center;justify-content:center;
}
.tab-visual .big-emoji{font-size:96px;filter:drop-shadow(0 0 34px rgba(0,229,255,.45));animation:float 4s ease-in-out infinite}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)}}
.tab-visual .glow-ring{
  position:absolute;width:240px;height:240px;border-radius:50%;
  border:1.5px dashed rgba(0,229,255,.35);animation:spin 14s linear infinite;
}
.tab-visual .glow-ring.r2{width:330px;height:330px;border-color:rgba(139,92,246,.3);animation-direction:reverse;animation-duration:20s}

/* ============ 服务效果(首页) ============ */
.effect-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:64px}
.effect-card{
  text-align:center;padding:36px 20px;border-radius:var(--radius);
  background:var(--glass);border:1px solid var(--border);backdrop-filter:blur(10px);
  transition:transform .4s,box-shadow .4s;
}
.effect-card:hover{transform:translateY(-8px);box-shadow:0 18px 46px rgba(139,92,246,.18)}
.effect-card .num{
  font-size:clamp(30px,3.6vw,46px);font-weight:900;line-height:1.2;
  background:linear-gradient(120deg,var(--cyan),var(--purple));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.effect-card .num .plus{font-size:.7em}
.effect-card .lbl{font-size:13.5px;color:var(--muted);margin-top:8px}
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.case-card{
  padding:30px;border-radius:var(--radius);position:relative;overflow:hidden;
  background:var(--glass);border:1px solid var(--border);backdrop-filter:blur(10px);
  transition:transform .4s,border-color .4s;
}
.case-card:hover{transform:translateY(-6px);border-color:rgba(0,229,255,.45)}
.case-card .industry{
  font-size:12px;letter-spacing:2px;color:var(--purple);text-transform:uppercase;margin-bottom:12px;
}
.case-card h4{font-size:17px;margin-bottom:12px}
.case-metrics{display:flex;gap:18px;margin-top:18px}
.case-metrics div{flex:1;text-align:center;padding:10px 6px;border-radius:10px;background:rgba(0,229,255,.06);border:1px solid rgba(0,229,255,.14)}
.case-metrics b{
  display:block;font-size:19px;
  background:linear-gradient(120deg,#fff,var(--cyan));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.case-metrics span{font-size:11.5px;color:var(--muted)}

/* ============ 合作伙伴 ============ */
#partners .partner-row{
  display:flex;flex-wrap:wrap;gap:16px;justify-content:center;
}
.partner-group{margin-bottom:28px}
.partner-group h6{font-size:13px;letter-spacing:2px;color:var(--cyan);margin-bottom:14px;display:flex;align-items:center;gap:10px}
.partner-group h6::after{content:"";flex:1;height:1px;background:var(--border)}
.partner-chip{
  padding:14px 30px;border-radius:14px;font-size:16px;font-weight:600;letter-spacing:1px;
  color:var(--muted);background:var(--glass);border:1px solid var(--border);
  backdrop-filter:blur(8px);transition:all .35s;user-select:none;
}
.partner-chip:hover{color:#fff;border-color:rgba(0,229,255,.55);transform:translateY(-4px);box-shadow:0 10px 30px rgba(0,229,255,.12)}

/* ============ 联系 ============ */
#contact .contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:44px}
.contact-info .ci{
  display:flex;gap:16px;align-items:flex-start;padding:18px 0;border-bottom:1px solid var(--border);
}
.contact-info .ci .ci-ico{
  width:44px;height:44px;border-radius:12px;flex-shrink:0;
  background:linear-gradient(135deg,rgba(0,229,255,.14),rgba(139,92,246,.14));
  border:1px solid var(--border);display:flex;align-items:center;justify-content:center;font-size:19px;
}
.contact-info .ci b{display:block;font-size:15px;margin-bottom:3px}
.contact-info .ci span{font-size:13.5px;color:var(--muted)}
.form-card{
  padding:36px;border-radius:var(--radius);background:var(--glass);
  border:1px solid var(--border);backdrop-filter:blur(12px);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:7px;letter-spacing:1px}
.field input,.field textarea{
  width:100%;padding:13px 16px;border-radius:12px;font-size:14.5px;color:#fff;
  background:rgba(5,10,24,.6);border:1px solid var(--border);outline:none;
  transition:border-color .3s,box-shadow .3s;font-family:inherit;resize:vertical;
}
.field input:focus,.field textarea:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(0,229,255,.12)}
.form-submit{
  width:100%;padding:15px;border:none;border-radius:12px;cursor:pointer;
  font-size:15.5px;font-weight:700;color:#04121f;font-family:inherit;
  background:linear-gradient(135deg,var(--cyan),var(--blue));
  box-shadow:0 8px 26px rgba(0,229,255,.35);transition:transform .3s,box-shadow .3s;
}
.form-submit:hover{transform:translateY(-2px);box-shadow:0 12px 36px rgba(0,229,255,.5)}
.form-ok{
  display:none;margin-top:14px;padding:12px;border-radius:10px;text-align:center;font-size:14px;
  color:#22e58a;background:rgba(34,229,138,.1);border:1px solid rgba(34,229,138,.3);
}

/* ============ Footer ============ */
footer{
  position:relative;z-index:3;border-top:1px solid var(--border);
  background:rgba(4,6,15,.7);backdrop-filter:blur(14px);padding:44px 5vw;
}
.foot-grid{max-width:1440px;margin:0 auto;display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;align-items:start}
.foot-grid p{color:var(--muted);font-size:13.5px;margin-top:14px;max-width:360px}
.foot-grid h5{font-size:14px;letter-spacing:2px;margin-bottom:16px;color:#fff}
.foot-grid ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.foot-grid ul a{color:var(--muted);text-decoration:none;font-size:13.5px;transition:color .3s}
.foot-grid ul a:hover{color:var(--cyan)}
.foot-bottom{
  max-width:1440px;margin:36px auto 0;padding-top:24px;border-top:1px solid var(--border);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  color:var(--muted);font-size:12.5px;
}

/* ============ 返回顶部 ============ */
#toTop{
  position:fixed;right:26px;bottom:26px;z-index:99;width:46px;height:46px;border-radius:14px;
  background:var(--glass);border:1px solid var(--border);color:var(--cyan);font-size:19px;
  cursor:pointer;backdrop-filter:blur(10px);opacity:0;visibility:hidden;transition:all .4s;
}
#toTop.show{opacity:1;visibility:visible}
#toTop:hover{background:linear-gradient(135deg,var(--cyan),var(--blue));color:#04121f}

/* ============ 行业全景 / 服务商 / 对标 / 标准 页面 ============ */
.cat-head{display:flex;align-items:center;gap:16px;margin:8px 0 22px;padding-bottom:14px;border-bottom:1px solid var(--border)}
.cat-head .ch-ico{width:48px;height:48px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:24px;background:linear-gradient(135deg,rgba(0,229,255,.15),rgba(139,92,246,.15));border:1px solid var(--border)}
.cat-head h3{font-size:21px}
.cat-head span{font-size:12.5px;color:var(--muted);letter-spacing:1px}

.provider-card{padding:28px;border-radius:var(--radius);background:var(--glass);border:1px solid var(--border);margin-bottom:18px;scroll-margin-top:110px}
.provider-card:target{animation:blockFlash 1.6s ease}
.provider-card .pc-top{display:flex;justify-content:space-between;align-items:flex-start;gap:14px;flex-wrap:wrap;margin-bottom:12px}
.provider-card h3{font-size:19px;display:flex;align-items:center;gap:10px}
.provider-card .pc-type{font-size:11.5px;padding:4px 11px;border-radius:99px;background:rgba(139,92,246,.14);border:1px solid rgba(139,92,246,.35);color:#c4b5fd;white-space:nowrap}
.provider-card .pc-meta{font-size:12.5px;color:var(--muted);margin-bottom:10px}
.provider-card .pc-desc{font-size:14px;color:var(--muted);margin-bottom:14px}
.dim-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px 18px}
.dim{display:flex;gap:10px;align-items:flex-start;padding:10px 13px;border-radius:11px;background:rgba(5,10,24,.5);border:1px solid var(--border);font-size:13px}
.dim b{flex-shrink:0;color:var(--cyan);font-weight:600;font-size:12.5px;min-width:76px}
.dim span{color:var(--text);line-height:1.6}

.provider-mini-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.pmini{padding:18px;border-radius:14px;background:var(--glass);border:1px solid var(--border);transition:all .3s}
.pmini:hover{border-color:rgba(0,229,255,.45);transform:translateY(-4px)}
.pmini b{display:block;font-size:14.5px;margin-bottom:4px}
.pmini .pm-type{font-size:11px;color:var(--purple);letter-spacing:1px;display:block;margin-bottom:6px}
.pmini p{font-size:12.5px;color:var(--muted);line-height:1.65}

.table-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--border);margin-bottom:26px}
.dim-table{width:100%;border-collapse:collapse;min-width:880px;font-size:13px;background:rgba(5,10,24,.4)}
.dim-table th{padding:13px 15px;text-align:left;background:rgba(0,229,255,.07);border-bottom:1px solid var(--border);color:var(--cyan);font-weight:600;letter-spacing:1px;white-space:nowrap}
.dim-table td{padding:13px 15px;border-bottom:1px solid var(--border);color:var(--muted);vertical-align:top;line-height:1.7}
.dim-table tr:last-child td{border-bottom:none}
.dim-table td strong{color:#fff}
.dim-table tr.us td{background:rgba(0,229,255,.06)}
.dim-table td.us{color:var(--text)}

.std-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.std-card{padding:26px;border-radius:var(--radius);background:var(--glass);border:1px solid var(--border);scroll-margin-top:110px}
.std-card h3{font-size:17px;margin-bottom:6px}
.std-card .std-no{font-size:12px;color:var(--cyan);letter-spacing:1px;margin-bottom:10px;display:block}
.std-card p{font-size:13.5px;color:var(--muted);margin-bottom:12px}
.level-row{display:flex;gap:6px;flex-wrap:wrap;margin-top:12px}
.level-row span{font-size:11.5px;padding:5px 10px;border-radius:99px;background:rgba(0,229,255,.08);border:1px solid rgba(0,229,255,.2);color:var(--cyan)}

.policy-list{list-style:none;display:flex;flex-direction:column;gap:10px}
.policy-list li{display:flex;gap:12px;padding:14px 16px;border-radius:12px;background:var(--glass);border:1px solid var(--border);font-size:13.5px;color:var(--muted)}
.policy-list li b{color:#fff;flex-shrink:0;min-width:150px}

/* 案例筛选 */
.case-filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
.f-chip{padding:8px 17px;border-radius:99px;font-size:13px;cursor:pointer;color:var(--muted);background:var(--glass);border:1px solid var(--border);transition:all .3s}
.f-chip:hover{color:#fff;border-color:rgba(0,229,255,.5);transform:translateY(-2px)}
.f-chip.on{color:#04121f;font-weight:600;background:linear-gradient(135deg,var(--cyan),var(--blue));border-color:transparent;box-shadow:0 0 18px rgba(0,229,255,.35)}

/* L1-L5 进阶阶梯 */
.ladder{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:34px}
.ladder-step{position:relative;padding:20px 16px;border-radius:16px;text-align:center;text-decoration:none;background:var(--glass);border:1px solid var(--border);backdrop-filter:blur(10px);transition:all .45s;display:block}
.ladder-step:hover{transform:translateY(-8px) scale(1.03);border-color:rgba(0,229,255,.55);box-shadow:0 22px 46px rgba(0,229,255,.14)}
.ladder-step b{display:block;font-size:22px;font-weight:900;background:linear-gradient(120deg,var(--cyan),var(--purple));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:4px}
.ladder-step span{display:block;font-size:14px;color:#fff;font-weight:600;margin-bottom:4px}
.ladder-step small{font-size:11.5px;color:var(--muted)}
.ladder-step:not(:last-child)::after{content:"→";position:absolute;right:-13px;top:50%;transform:translateY(-50%);color:var(--cyan);font-size:16px;z-index:2}
@media(max-width:1080px){.ladder{grid-template-columns:repeat(2,1fr)}.ladder-step:not(:last-child)::after{display:none}}
@media(max-width:820px){.ladder{grid-template-columns:1fr}}

.map-frame{width:100%;height:340px;border:1px solid var(--border);border-radius:16px;background:rgba(5,10,24,.4)}

/* ============ 3D 升级效果引擎 ============ */
.persp{perspective:1200px}
/* 浮雕文字 */
.emboss{
  text-shadow:
    0 1px 0 rgba(255,255,255,.10),
    0 -1px 0 rgba(0,0,0,.65),
    0 5px 16px rgba(0,0,0,.5),
    0 0 44px rgba(0,229,255,.16);
}
.h3d{text-shadow:0 2px 0 rgba(255,255,255,.06),0 7px 20px rgba(0,0,0,.55)}
/* 呼吸漂浮卡 */
.floaty{animation:floaty 5.5s ease-in-out infinite}
.floaty.d1{animation-delay:-1.4s}.floaty.d2{animation-delay:-2.8s}.floaty.d3{animation-delay:-4.2s}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
/* 悬停抬升(悬空感) */
.lift{transition:transform .5s cubic-bezier(.2,.8,.2,1),box-shadow .5s,border-color .5s,background .5s}
.lift:hover{transform:translateY(-12px) scale(1.02);box-shadow:0 34px 70px rgba(0,229,255,.16),0 14px 34px rgba(0,0,0,.5);border-color:rgba(0,229,255,.5)}
/* 翻转卡(3D 翻页) */
.flip-wrap{perspective:1100px}
.flip-card{position:relative;transform-style:preserve-3d;transition:transform .75s cubic-bezier(.3,.8,.3,1);min-height:250px}
.flip-wrap:hover .flip-card,.flip-card.flip{transform:rotateY(180deg)}
.flip-face{position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;display:flex;flex-direction:column;justify-content:center;padding:26px;border-radius:var(--radius);background:var(--glass);border:1px solid var(--border);backdrop-filter:blur(12px);overflow:hidden}
.flip-face::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--cyan),var(--purple));opacity:.8}
.flip-back{transform:rotateY(180deg);background:linear-gradient(150deg,rgba(0,229,255,.10),rgba(139,92,246,.10)),rgba(6,10,22,.92)}
.flip-face h4{font-size:17px;margin-bottom:8px}
.flip-face p{font-size:13px;color:var(--muted)}
.flip-face .f-ico{font-size:30px;margin-bottom:10px;display:block;filter:drop-shadow(0 0 14px rgba(0,229,255,.4))}
.flip-face .f-go{display:inline-block;margin-top:14px;font-size:12.5px;color:var(--cyan);text-decoration:none}
/* 磁吸元素 */
.magnetic{transition:transform .35s cubic-bezier(.2,.8,.2,1);display:inline-block}
/* 裸眼3D 视差层 */
.p3d-scene{position:relative;isolation:isolate}
.p3d{will-change:transform;transition:transform .5s cubic-bezier(.2,.8,.2,1)}
/* 光晕层(鼠标驱动 CSS 变量, 全站页面英雄区生效) */
.p3d-scene::before,.p3d-scene::after{content:"";position:absolute;border-radius:50%;pointer-events:none;z-index:-1;will-change:transform}
.p3d-scene::before{width:320px;height:320px;background:radial-gradient(circle,rgba(0,229,255,.13),transparent 70%);top:6%;left:4%;filter:blur(2px);transform:translate(calc(var(--px,0)*34px + var(--sy,0)*-0.03px),calc(var(--py,0)*24px + var(--sy,0)*-0.02px))}
.p3d-scene::after{width:440px;height:440px;background:radial-gradient(circle,rgba(139,92,246,.11),transparent 70%);bottom:2%;right:2%;filter:blur(3px);transform:translate(calc(var(--px,0)*-24px + var(--sy,0)*0.04px),calc(var(--py,0)*-18px + var(--sy,0)*0.025px))}
/* 滚动3D 元素(由 GSAP 驱动) */
.r3d{transform-style:preserve-3d;opacity:1;transform:none}
/* 凸起按钮 */
.btn-3d{box-shadow:0 8px 0 rgba(0,229,255,.22),0 20px 44px rgba(0,229,255,.32);transform:translateY(-3px)}
.btn-3d:hover{transform:translateY(-6px);box-shadow:0 11px 0 rgba(0,229,255,.22),0 26px 54px rgba(0,229,255,.42)}
.btn-3d:active{transform:translateY(2px);box-shadow:0 3px 0 rgba(0,229,255,.2)}
/* 内层文字/图标抬升(空间感) */
.card-3d{transform-style:preserve-3d}
.card-3d .c-up{transform:translateZ(26px)}
/* 发光描边卡 */
.glow-card{position:relative}
.glow-card::after{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;opacity:0;transition:opacity .5s;box-shadow:inset 0 0 0 1px rgba(0,229,255,.4),0 0 44px rgba(0,229,255,.18)}
.glow-card:hover::after{opacity:1}
/* 上下滑动的 3D 滚动提示 */
.scroll3d{animation:scroll3d 2.2s ease-in-out infinite}
@keyframes scroll3d{0%,100%{transform:translateY(0) rotateX(0)}50%{transform:translateY(10px) rotateX(14deg)}}
/* 徽章光带 */
.badge-glow{position:relative;overflow:hidden}
.badge-glow::before{content:"";position:absolute;top:0;left:-80%;width:60%;height:100%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.18),transparent);transform:skewX(-20deg);animation:sheen 3.6s ease-in-out infinite}
@keyframes sheen{0%{left:-80%}60%,100%{left:130%}}

/* 业务分级徽标 */
.lv-badge{display:inline-flex;align-items:center;gap:6px;font-size:11.5px;padding:4px 12px;border-radius:99px;color:#c4b5fd;background:rgba(139,92,246,.14);border:1px solid rgba(139,92,246,.35)}

/* 滚动进度条 */
#scroll-bar{position:fixed;top:0;left:0;height:3px;width:0;z-index:300;background:linear-gradient(90deg,var(--cyan),var(--blue),var(--purple));box-shadow:0 0 14px rgba(0,229,255,.7);transition:width .08s linear}

/* 自定义光标(延迟光环 + 跟随点) */
#c-ring{position:fixed;left:0;top:0;width:36px;height:36px;border-radius:50%;border:1.5px solid rgba(0,229,255,.55);pointer-events:none;z-index:400;transform:translate(-50%,-50%);transition:width .3s,height .3s,border-color .3s,opacity .3s;mix-blend-mode:screen;will-change:transform}
#c-ring.hover{width:58px;height:58px;border-color:rgba(139,92,246,.75);box-shadow:0 0 22px rgba(0,229,255,.25)}
#c-dot{position:fixed;left:0;top:0;width:6px;height:6px;border-radius:50%;background:var(--cyan);pointer-events:none;z-index:400;transform:translate(-50%,-50%);box-shadow:0 0 10px var(--cyan);will-change:transform}
@media(pointer:coarse){#c-ring,#c-dot{display:none}}

/* 卡片 3D 倾斜 */
.tilt{transform-style:preserve-3d;will-change:transform}

/* 英雄区悬浮 3D 标签 */
.hero-chips{position:absolute;inset:0;pointer-events:none;z-index:1}
.hchip{position:absolute;padding:10px 18px;border-radius:99px;background:var(--glass);border:1px solid var(--border);backdrop-filter:blur(10px);font-size:12.5px;color:var(--muted);box-shadow:0 12px 34px rgba(0,0,0,.45),0 0 22px rgba(0,229,255,.08);white-space:nowrap}
.hchip b{color:var(--cyan);font-weight:700}
@media(max-width:820px){.hchip{display:none}}
.lv-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.lv-row .lv{flex:1;min-width:150px;padding:14px;border-radius:12px;background:rgba(5,10,24,.5);border:1px solid var(--border);text-align:center;font-size:12.5px;color:var(--muted)}
.lv-row .lv b{display:block;font-size:14px;color:var(--cyan);margin-bottom:4px}
.lv-row .lv.on{border-color:rgba(0,229,255,.5);background:rgba(0,229,255,.07)}
.lv-row .lv.on b{color:#fff}

/* 业务板块补充信息 */
.deliver{margin-top:14px;font-size:12.5px;color:var(--muted);padding:9px 14px;border-radius:10px;background:rgba(139,92,246,.1);border:1px solid rgba(139,92,246,.3);display:inline-block;line-height:1.7}
.deliver b{color:#c4b5fd}
.case-line{margin-top:14px;display:flex;gap:10px;align-items:flex-start;padding:12px 15px;border-radius:12px;background:rgba(0,229,255,.05);border:1px solid rgba(0,229,255,.16);font-size:13px;color:var(--muted);line-height:1.7}
.case-line .cl-ico{flex-shrink:0}
.case-line b{color:#fff}

/* ============ 响应式 ============ */
@media(max-width:1080px){
  .dim-grid{grid-template-columns:1fr}
  .provider-mini-grid{grid-template-columns:repeat(2,1fr)}
  .std-grid{grid-template-columns:1fr}
}
@media(max-width:820px){
  .provider-mini-grid{grid-template-columns:1fr}
  .policy-list li{flex-direction:column;gap:4px}
  .policy-list li b{min-width:0}
}

/* ============ 转化/信任区块 ============ */
.why-card{padding:28px 24px;border-radius:var(--radius);background:var(--glass);border:1px solid var(--border);backdrop-filter:blur(10px);transition:all .45s;position:relative;overflow:hidden}
.why-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--cyan),var(--purple));transform:scaleX(0);transform-origin:left;transition:transform .5s}
.why-card:hover::before{transform:scaleX(1)}
.why-card .w-ico{font-size:28px;display:block;margin-bottom:12px;filter:drop-shadow(0 0 14px rgba(0,229,255,.35))}
.why-card h4{font-size:16.5px;margin-bottom:8px}
.why-card p{font-size:13px;color:var(--muted)}

.promise-row{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.promise{padding:22px 14px;border-radius:16px;text-align:center;background:var(--glass);border:1px solid var(--border);backdrop-filter:blur(10px);transition:all .4s}
.promise:hover{transform:translateY(-6px);border-color:rgba(0,229,255,.5)}
.promise .p-ico{font-size:24px;display:block;margin-bottom:8px}
.promise b{display:block;font-size:14px;margin-bottom:4px}
.promise span{font-size:12px;color:var(--muted)}

.steps-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.step-item{position:relative;padding:26px 20px;border-radius:16px;background:var(--glass);border:1px solid var(--border);backdrop-filter:blur(10px);transition:all .45s;text-align:left}
.step-item:hover{transform:translateY(-8px);border-color:rgba(139,92,246,.5);box-shadow:0 22px 46px rgba(139,92,246,.15)}
.step-item .s-no{font-size:30px;font-weight:900;background:linear-gradient(180deg,var(--cyan),transparent);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;display:block;margin-bottom:10px}
.step-item h4{font-size:16px;margin-bottom:6px}
.step-item p{font-size:12.5px;color:var(--muted)}
.step-item:not(:last-child)::after{content:"→";position:absolute;right:-13px;top:50%;transform:translateY(-50%);color:var(--cyan);font-size:18px}
@media(max-width:1080px){.promise-row{grid-template-columns:repeat(3,1fr)}.steps-row{grid-template-columns:repeat(2,1fr)}.step-item:not(:last-child)::after{display:none}}
@media(max-width:820px){.promise-row{grid-template-columns:repeat(2,1fr)}.steps-row{grid-template-columns:1fr}}
@media(max-width:1080px){
  .scope-grid{grid-template-columns:repeat(2,1fr)}
  .effect-grid{grid-template-columns:repeat(2,1fr)}
  .case-grid{grid-template-columns:1fr}
  .about-grid,.contact-grid{grid-template-columns:1fr}
  .tab-panel{grid-template-columns:1fr}
  .cap-grid{grid-template-columns:repeat(2,1fr)}
  .quote-grid{grid-template-columns:1fr}
  .stat-band{grid-template-columns:repeat(2,1fr)}
  .sub-layout{grid-template-columns:1fr}
  .sub-nav-wrap{position:static;flex-direction:row;flex-wrap:wrap;gap:6px}
  .sub-nav-wrap h6{width:100%}
  .sub-nav-wrap a{flex:1 1 auto;min-width:0;white-space:normal}
}
@media(max-width:820px){
  .sub-nav-wrap{padding:12px 10px}
  .sub-nav-wrap a{flex:1 1 44%;max-width:100%;min-width:0;font-size:12.5px;padding:8px 10px;overflow-wrap:break-word}
  .sub-nav-wrap a::before{flex-shrink:0}
}
@media(max-width:820px){
  .nav-links{
    position:fixed;top:70px;right:16px;flex-direction:column;gap:6px;padding:16px;border-radius:16px;
    background:rgba(5,8,18,.92);border:1px solid var(--border);backdrop-filter:blur(20px);
    transform:translateY(-14px);opacity:0;visibility:hidden;transition:all .35s;align-items:stretch;min-width:220px;max-height:calc(100vh - 90px);overflow-y:auto;
  }
  .nav-links.open{transform:none;opacity:1;visibility:visible}
  .nav-links a{padding:10px 14px;font-size:15px}
  #menu-btn{display:block}
  .nav-cta{display:none}
  .has-drop{position:static}
  .drop{
    position:static;transform:none;min-width:0;display:none;opacity:0;visibility:hidden;
    background:transparent;border:none;box-shadow:none;padding:0 0 2px 12px;
  }
  .has-drop.open .drop{display:flex;opacity:1;visibility:visible;transform:none}
  .has-drop.open>a .caret{transform:rotate(180deg)}
  .model-grid{grid-template-columns:1fr}
  .scope-grid{grid-template-columns:1fr}
  .effect-grid{grid-template-columns:1fr 1fr}
  .form-row{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .flow-node{width:300px}
  .cap-grid{grid-template-columns:1fr}
  .stat-band{grid-template-columns:1fr 1fr}
  .step-card{grid-template-columns:1fr}
  .step-card .step-no{width:52px;height:52px;font-size:18px}
}

/* ============ 移动端精修(国际标准响应式) ============ */
/* 触控目标最小 44px, 文本可读, 无横向滚动, 适配刘海屏/安全区 */
@media(max-width:820px){
  html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
  body{font-size:15px;padding-bottom:env(safe-area-inset-bottom)}
  .page-hero{padding:90px 20px 50px}
  .page-hero h1{font-size:clamp(26px,7.5vw,36px)}
  .ph-sub{font-size:14px;line-height:1.75}
  .breadcrumb{font-size:12px;flex-wrap:wrap}
  .stat-band{gap:10px}
  .stat-band .st{padding:14px 10px}
  .stat-band .st .n{font-size:clamp(20px,6vw,30px)}
  .stat-band .st .l{font-size:11.5px}
  .sec-title{font-size:clamp(22px,6.4vw,30px);margin-bottom:14px}
  .sec-sub{font-size:14px;line-height:1.75;margin-bottom:34px}
  .dblock{padding:20px 16px}
  .dblock h3{font-size:19px}
  .dblock .db-ico{width:46px;height:46px;font-size:22px}
  .dblock .db-lead{font-size:13.5px}
  .dblock h4{font-size:14.5px}
  .dblock p.body{font-size:13.5px}
  .cap{padding:16px 14px}
  .cap b{font-size:13.5px}
  .cap span{font-size:12.5px}
  .li-check li,.li-arrow li{font-size:13.5px}
  .tag-row span{font-size:11.5px;padding:4px 10px}
  .table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
  .dim-table{min-width:640px}
  .faq-item{padding:16px 14px}
  .faq-item b{font-size:13.5px}
  .faq-item p{font-size:13px}
  .hero-title{font-size:clamp(34px,10vw,48px)}
  .hero-desc{font-size:15px}
  .hero-btns{flex-direction:column;align-items:stretch;gap:12px}
  .hero-btns .btn{text-align:center;padding:14px 20px;font-size:15px}
  .hero-stats{gap:10px}
  .hstat .num{font-size:clamp(22px,6.5vw,32px)}
  .hstat .lbl{font-size:11.5px}
  .about-cards{grid-template-columns:1fr}
  .why-card{padding:22px 18px}
  .flip-card{min-height:230px}
  .flip-face{padding:20px 16px}
  .lv-row .lv{min-width:130px;font-size:12px}
  .step-item{padding:20px 16px}
  .promise{padding:18px 10px}
  .promise b{font-size:13px}
  .promise span{font-size:11px}
  .case-metrics{flex-wrap:wrap;gap:10px}
  .case-metrics div{flex:1 1 30%;min-width:80px}
  .quote-card{padding:18px 16px}
  .provider-card{padding:18px 14px}
  .pc-top{flex-direction:column}
  .pc-type{margin-top:6px}
  .dim{border-left:2px solid var(--border);padding-left:12px}
  .level-row span{font-size:10.5px;padding:4px 8px}
  .policy-list li{padding:12px 12px}
  .policy-list li b{font-size:13px}
  .contact-info{padding:0 4px}
  .form-card{padding:20px 16px}
  .map-card{padding:18px 14px}
  .map-frame{height:260px}
  .foot-bottom{flex-direction:column;gap:6px;text-align:center}
  .scroll-hint{display:none}
}

/* 超小屏(≤380px)进一步收紧 */
@media(max-width:380px){
  .stat-band{grid-template-columns:1fr 1fr}
  .hstat .lbl{font-size:10.5px}
  .hero-chips{display:none}
}

/* 减少动态效果偏好: 直接关闭动画与 3D 背景 */
@media(prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  .reveal,.r3d{opacity:1!important;transform:none!important}
  .floaty{animation:none!important}
  canvas#bg3d{display:none!important}
}

/* ============ 关于我们: 豪华版公司简介 ============ */
.about-hero{display:grid;grid-template-columns:1fr 320px;gap:30px;align-items:start}
.about-hero-text .db-lead{margin-bottom:16px;font-size:15.5px;line-height:1.9}
.about-hero-card{
  border-radius:18px;padding:26px 22px;position:relative;overflow:hidden;
  background:linear-gradient(150deg,rgba(0,229,255,.10),rgba(139,92,246,.12) 55%,rgba(255,77,143,.08));
  border:1px solid rgba(0,229,255,.28);box-shadow:0 18px 50px rgba(0,0,0,.4),inset 0 0 40px rgba(0,229,255,.05);
}
.about-hero-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--cyan),var(--purple),var(--pink))}
.about-hero-card::after{content:"";position:absolute;right:-50px;top:-50px;width:160px;height:160px;border-radius:50%;background:radial-gradient(circle,rgba(0,229,255,.16),transparent 70%);pointer-events:none}
.ahc-head{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;margin-bottom:18px;padding-bottom:14px;border-bottom:1px solid rgba(120,180,255,.18)}
.ahc-head span{font-size:24px}
.ahc-row{display:flex;justify-content:space-between;gap:12px;padding:9px 0;font-size:13px;border-bottom:1px dashed rgba(120,180,255,.14)}
.ahc-row span{color:var(--muted)}
.ahc-row b{color:#fff;font-weight:600;text-align:right}
.ahc-tag{margin-top:16px;font-size:13px;letter-spacing:3px;color:var(--cyan);text-align:center;padding:10px;border-radius:10px;background:rgba(0,229,255,.08);border:1px solid rgba(0,229,255,.2)}
.about-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.astat{
  padding:28px 18px;border-radius:16px;text-align:center;position:relative;overflow:hidden;
  background:var(--glass);border:1px solid var(--border);transition:all .4s;
}
.astat:hover{transform:translateY(-6px);border-color:rgba(0,229,255,.5);box-shadow:0 16px 40px rgba(0,229,255,.12)}
.astat::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 50% 0%,rgba(0,229,255,.09),transparent 60%)}
.astat .an{font-size:clamp(28px,3.4vw,40px);font-weight:900;background:linear-gradient(180deg,var(--cyan),var(--purple));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:6px}
.astat .al{font-size:13px;color:var(--muted)}
.qual-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.qcard{
  padding:22px 16px;border-radius:16px;text-align:center;transition:all .4s;position:relative;overflow:hidden;
  background:var(--glass);border:1px solid var(--border);
}
.qcard:hover{transform:translateY(-6px);border-color:rgba(139,92,246,.55);box-shadow:0 16px 40px rgba(139,92,246,.15)}
.qcard .q-ico{font-size:30px;display:block;margin-bottom:10px;filter:drop-shadow(0 0 12px rgba(0,229,255,.35))}
.qcard b{display:block;font-size:14px;margin-bottom:5px}
.qcard small{font-size:11.5px;color:var(--muted);line-height:1.6}
.about-map{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.about-map a{
  display:flex;align-items:center;gap:9px;padding:14px 14px;border-radius:13px;text-decoration:none;
  background:var(--glass);border:1px solid var(--border);color:var(--text);font-size:13.5px;transition:all .35s;
}
.about-map a:hover{transform:translateY(-4px);border-color:rgba(0,229,255,.5);background:rgba(0,229,255,.06);color:#fff}
.about-map a span{font-size:19px}
@media(max-width:1080px){
  .about-hero{grid-template-columns:1fr}
  .qual-grid{grid-template-columns:repeat(2,1fr)}
  .about-map{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:820px){
  .about-stats{grid-template-columns:repeat(2,1fr);gap:12px}
  .qual-grid{grid-template-columns:repeat(2,1fr);gap:10px}
  .about-map{grid-template-columns:repeat(2,1fr);gap:10px}
  .about-hero-card{padding:20px 16px}
  .astat{padding:20px 12px}
  .qcard{padding:18px 10px}
}