/* ============================================
   ULTIMATE TECH STYLE - 蓝色科技感 + 动态背景
   ============================================ */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#071833;--bg2:#0a2150;--bg3:#0f2b66;
  --surface:rgba(76,150,255,.08);--surface2:rgba(76,150,255,.14);--surface3:rgba(120,180,255,.2);
  --text:#f2f7ff;--text2:#b6cdf0;--text3:#7e9cc9;
  --blue:#38a0ff;--cyan:#5fd0ff;--glow:rgba(56,160,255,.5);
  --line:rgba(130,180,255,.18);
  --radius:16px;--radius-sm:10px;
  --ease:cubic-bezier(.25,.46,.45,.94);
}
html{scroll-behavior:smooth;font-size:16px}
/* 蓝色科技背景: 亮蓝渐变 + 动态流光光斑 */
body{
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text","Helvetica Neue","PingFang SC","Microsoft YaHei",sans-serif;
  background:
    radial-gradient(ellipse 60% 38% at 12% 0%,rgba(56,160,255,.22),transparent 58%),
    radial-gradient(ellipse 55% 38% at 88% 8%,rgba(95,208,255,.16),transparent 58%),
    radial-gradient(ellipse 48% 34% at 6% 55%,rgba(76,120,255,.13),transparent 55%),
    radial-gradient(ellipse 44% 30% at 94% 62%,rgba(60,180,255,.12),transparent 55%),
    linear-gradient(165deg,#0a2452 0%,#0b2a63 40%,#08204c 75%,#071833 100%);
  background-attachment:fixed;
  color:var(--text);line-height:1.6;overflow-x:hidden;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  position:relative;
}
/* 动态流光层: 缓慢流动的蓝青色光晕 */
body::before{
  content:'';position:fixed;inset:-20%;z-index:0;pointer-events:none;
  background:
    radial-gradient(circle 340px at 20% 30%,rgba(80,190,255,.16),transparent 65%),
    radial-gradient(circle 300px at 78% 26%,rgba(120,220,255,.12),transparent 65%),
    radial-gradient(circle 280px at 62% 74%,rgba(70,130,255,.13),transparent 65%),
    radial-gradient(circle 320px at 32% 84%,rgba(80,200,255,.10),transparent 65%);
  animation:bgFlow 16s ease-in-out infinite alternate;
}
@keyframes bgFlow{
  0%{transform:translate(0,0) rotate(0deg) scale(1)}
  50%{transform:translate(3%,2%) rotate(2deg) scale(1.06)}
  100%{transform:translate(-2%,-3%) rotate(-2deg) scale(1.03)}
}
::selection{background:rgba(56,160,255,.3);color:#fff}
::-webkit-scrollbar{width:6px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:rgba(130,180,255,.25);border-radius:3px}
::-webkit-scrollbar-thumb:hover{background:rgba(130,180,255,.4)}
a{color:var(--text);text-decoration:none;transition:color .3s}
a:hover{color:#fff}

/* ---- 粒子背景 ---- */
#particles-canvas{position:fixed;top:0;left:0;z-index:1;pointer-events:none}
body > .navbar, body > section, body > .page-header, body > .hero, body > .footer, body > ul.nav-links-mobile{position:relative;z-index:2}

/* ============ 导航 (极简居中) ============ */
.nav-static{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(7,22,52,.55);
  backdrop-filter:saturate(140%) blur(24px);-webkit-backdrop-filter:saturate(140%) blur(24px);
  border-bottom:1px solid rgba(130,180,255,.12);
}
.nav-static .container{
  display:flex;align-items:center;justify-content:center;
  height:64px;max-width:1200px;margin:0 auto;padding:0 24px;
}
.nav-static .nav-links{display:flex;gap:34px;list-style:none;align-items:center}
.nav-static .nav-links a{
  color:var(--text2);font-size:.92rem;font-weight:400;letter-spacing:.14em;
  text-decoration:none;transition:color .3s;padding:8px 0;
}
.nav-static .nav-links a:hover{color:#fff}
.nav-static .nav-links a.active{color:#fff;border-bottom:1px solid rgba(255,255,255,.6)}
.nav-static .nav-mobile-btn{
  display:none;position:absolute;right:20px;top:50%;transform:translateY(-50%);
  background:none;border:none;font-size:1.4rem;color:#fff;cursor:pointer;z-index:10;
}
/* 移动端菜单 */
.nav-links-mobile{display:none}
@media(max-width:768px){
  .nav-static .nav-links{display:none}
  .nav-static .nav-mobile-btn{display:block}
  .nav-links-mobile{
    display:none;position:fixed;top:64px;left:0;right:0;
    background:rgba(7,20,48,.97);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);
    flex-direction:column;padding:24px;gap:6px;z-index:999;list-style:none;
  }
  .nav-links-mobile.active{display:flex}
  .nav-links-mobile a{padding:14px 4px;font-size:1.05rem;letter-spacing:.1em;border-bottom:1px solid rgba(255,255,255,.05)}
}

/* ============ Hero 全屏首屏 ============ */
.hero{
  min-height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;
  position:relative;overflow:hidden;padding-top:64px;
}
.hero::before{
  content:'';position:absolute;width:900px;height:900px;border-radius:50%;top:50%;left:50%;
  transform:translate(-50%,-50%);
  background:radial-gradient(circle,rgba(56,160,255,.14),transparent 55%);
  filter:blur(60px);pointer-events:none;animation:heroPulse 6s ease-in-out infinite alternate;
}
@keyframes heroPulse{0%{opacity:.6;transform:translate(-50%,-50%) scale(1)}100%{opacity:1;transform:translate(-50%,-50%) scale(1.15)}}
.hero-content{position:relative;z-index:1;max-width:1000px;padding:0 24px}
.hero-tag{
  color:var(--text3);font-size:.85rem;font-weight:400;letter-spacing:.42em;
  text-transform:uppercase;margin-bottom:40px;opacity:.8;
}
.hero-title{
  font-size:clamp(2.8rem,8vw,7rem);font-weight:600;letter-spacing:-.045em;
  line-height:1.05;margin-bottom:32px;color:#fff;
}
.hero-title span{
  background:linear-gradient(120deg,#ffffff 30%,#a8d4ff 55%,#38a0ff 90%);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}
.hero-sub{
  color:var(--text2);font-size:clamp(1rem,2vw,1.3rem);font-weight:400;
  line-height:1.7;margin-bottom:56px;letter-spacing:.05em;
}
.hero-btns{display:flex;gap:20px;justify-content:center;flex-wrap:wrap}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:15px 38px;border-radius:999px;font-size:.95rem;font-weight:500;
  border:none;cursor:pointer;transition:all .4s var(--ease);letter-spacing:.02em;
  position:relative;overflow:hidden;
}
.btn-ghost{background:rgba(76,150,255,.06);color:#fff;border:1px solid rgba(130,190,255,.4)}
.btn-ghost:hover{background:rgba(76,150,255,.14);border-color:rgba(130,190,255,.8);transform:translateY(-2px);box-shadow:0 8px 24px rgba(56,160,255,.2)}
.btn-ghost .arrow{display:inline-block;transition:transform .3s}
.btn-ghost:hover .arrow{transform:translateX(5px)}
.btn-primary{
  background:linear-gradient(135deg,#38a0ff,#2f6ef5);color:#fff;font-weight:600;
  box-shadow:0 8px 30px rgba(56,160,255,.35),inset 0 1px 0 rgba(255,255,255,.2);
}
.btn-primary:hover{background:linear-gradient(135deg,#55b5ff,#3f82ff);color:#fff;transform:translateY(-2px);box-shadow:0 14px 44px rgba(56,160,255,.45)}
.btn-primary:active,.btn-ghost:active{transform:scale(.98)}
.btn-light{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.14);backdrop-filter:blur(10px)}
.btn-light:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
.btn-sm{padding:9px 22px;font-size:.85rem}
.btn-lg{padding:16px 44px;font-size:1rem}
.btn-outline{background:transparent;color:var(--text2);border:1px solid rgba(255,255,255,.18)}
.btn-outline:hover{color:#fff;border-color:rgba(255,255,255,.4)}

/* ============ 布局 ============ */
.container{max-width:1100px;margin:0 auto;padding:0 24px}
.section{padding:130px 0}
.section-header{text-align:center;margin-bottom:72px}
.sec-label{
  color:var(--text3);font-size:.78rem;letter-spacing:.4em;text-transform:uppercase;
  margin-bottom:18px;
}
.section-header h2{
  font-size:clamp(2rem,4.5vw,3.4rem);font-weight:600;letter-spacing:-.03em;
  line-height:1.12;color:#fff;
}
.section-header p:last-child{color:var(--text2);font-size:1.05rem;max-width:600px;margin:14px auto 0}

/* ============ 卡片 ============ */
.card-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
@media(max-width:1100px){.card-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:700px){.card-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.card-grid{grid-template-columns:1fr}}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:34px 26px;transition:all .5s var(--ease);position:relative;overflow:hidden;
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
}
.card::after{
  content:'';position:absolute;top:-30%;left:50%;transform:translateX(-50%);
  width:110%;height:55%;background:radial-gradient(ellipse,rgba(95,208,255,.08),transparent 70%);
  opacity:0;transition:opacity .5s;pointer-events:none;
}
.card:hover{border-color:rgba(130,190,255,.4);background:var(--surface2);transform:translateY(-4px);box-shadow:0 14px 40px rgba(8,30,70,.5)}
.card:hover::after{opacity:1}

/* 服务卡片 */
.service-card{text-align:center;padding:46px 28px;display:flex;flex-direction:column;align-items:center}
.service-card .icon-wrap{
  width:64px;height:64px;border-radius:18px;margin:0 auto 22px;
  display:flex;align-items:center;justify-content:center;font-size:1.8rem;
  background:var(--surface2);border:1px solid var(--line);
  transition:all .5s var(--ease);flex-shrink:0;
}
.service-card:hover .icon-wrap{border-color:rgba(255,255,255,.3);transform:scale(1.08)}
.service-card h3{font-size:1.12rem;font-weight:500;margin-bottom:10px;color:#fff;letter-spacing:.01em}
.service-card p{color:var(--text3);font-size:.88rem;margin-bottom:20px;line-height:1.6;flex-grow:1}
.service-card .detail-more{color:var(--text2);font-size:.85rem;letter-spacing:.06em;transition:color .3s}
.service-card:hover .detail-more{color:#fff}
.service-link-card{text-decoration:none}
.service-link-card:hover h3{color:#fff}

/* 特色卡片 */
.feature-card{text-align:center;padding:52px 30px}
.feature-card .feature-icon{font-size:2.6rem;margin-bottom:20px;display:block;opacity:.9}
.feature-card h3{font-size:1.15rem;font-weight:500;margin-bottom:12px;color:#fff}
.feature-card p{color:var(--text3);font-size:.9rem;line-height:1.7}

/* ============ 步骤 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center;position:relative}
.steps::before{
  content:'';position:absolute;top:38px;left:16%;right:16%;height:1px;
  background:linear-gradient(90deg,transparent,rgba(95,208,255,.4),rgba(56,160,255,.6),transparent);
}
.step-item{position:relative}
.step-num{
  width:76px;height:76px;border-radius:50%;margin:0 auto 20px;
  display:flex;align-items:center;justify-content:center;font-size:1.4rem;font-weight:500;
  background:var(--surface2);border:1px solid var(--line);
  color:#fff;transition:all .5s var(--ease);position:relative;z-index:1;
}
.step-item:hover .step-num{border-color:rgba(56,160,255,.6);background:var(--surface3);box-shadow:0 0 30px rgba(56,160,255,.12)}
.step-item h3{font-size:1rem;font-weight:500;margin-bottom:8px;color:#fff}
.step-item p{color:var(--text3);font-size:.84rem;line-height:1.6}
@media(max-width:768px){.steps{grid-template-columns:1fr 1fr;gap:16px}.steps::before{display:none}}
@media(max-width:480px){.steps{grid-template-columns:1fr}}

/* ============ 统计 ============ */
.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center;margin-bottom:18px}
.stats-row .stat-num{
  font-size:clamp(2.4rem,5vw,3.6rem);font-weight:600;letter-spacing:-.03em;color:#fff;
}
.stats-row-labels{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.stats-row-labels span{color:var(--text3);font-size:.9rem;letter-spacing:.2em}
@media(max-width:700px){.stats-row,.stats-row-labels{grid-template-columns:1fr 1fr;row-gap:28px}}

/* ============ CTA ============ */
.cta-title{font-size:clamp(1.8rem,4vw,2.8rem);font-weight:600;letter-spacing:-.03em;margin-bottom:16px;color:#fff}
.cta-title span{
  background:linear-gradient(120deg,#ffffff 30%,#a8d4ff 60%,#38a0ff 100%);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}

/* ============ 页脚 ============ */
.footer{border-top:1px solid rgba(130,180,255,.12);padding:56px 0 28px;background:rgba(5,16,40,.45)}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:44px;margin-bottom:36px}
.footer h4{color:#fff;font-size:.9rem;font-weight:500;margin-bottom:18px;letter-spacing:.04em}
.footer p,.footer li{color:var(--text3);font-size:.84rem;line-height:2}
.footer ul{list-style:none}
.footer a{color:var(--text3);transition:color .3s}
.footer a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(130,180,255,.1);padding-top:22px;text-align:center;color:var(--text3);font-size:.78rem}

/* ============ 内页页头 ============ */
.page-header{padding:140px 0 60px;text-align:center}
.page-header h1{font-size:clamp(2.2rem,4.5vw,3.4rem);font-weight:600;letter-spacing:-.03em;margin-bottom:14px;color:#fff}
.page-header h1 span{
  background:linear-gradient(120deg,#ffffff 30%,#a8d4ff 60%,#38a0ff 100%);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}
.page-header p{color:var(--text2);font-size:1.02rem;line-height:1.7}

/* ============ 表单 ============ */
.form-group{margin-bottom:26px}
.form-group label{display:block;margin-bottom:10px;font-weight:400;color:var(--text2);font-size:.9rem;letter-spacing:.03em}
.form-group input,.form-group select,.form-group textarea{
  width:100%;padding:15px 18px;border:1px solid var(--line);border-radius:var(--radius-sm);
  font-size:.95rem;transition:all .3s;background:var(--surface);color:var(--text);
  -webkit-appearance:none;
}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{
  border-color:rgba(56,160,255,.5);outline:none;background:var(--surface2);
  box-shadow:0 0 0 3px rgba(56,160,255,.08);
}
.form-group input::placeholder,.form-group textarea::placeholder{color:var(--text3)}
.form-group select{cursor:pointer}
.form-group select option{background:#0a2150;color:#fff}
.form-group textarea{resize:vertical;min-height:110px;font-family:inherit}

/* ============ 表格/状态/提示 ============ */
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse}
th,td{padding:14px 18px;text-align:left;border-bottom:1px solid rgba(255,255,255,.06)}
th{color:var(--text3);font-weight:400;font-size:.76rem;text-transform:uppercase;letter-spacing:.1em}
td{font-size:.9rem}
tr:hover td{background:rgba(255,255,255,.02)}
.status{display:inline-block;padding:4px 12px;border-radius:999px;font-size:.72rem;letter-spacing:.03em}
.status-pending{background:rgba(255,159,10,.1);color:#ffa94d}
.status-processing{background:rgba(56,160,255,.1);color:var(--cyan)}
.status-completed{background:rgba(48,209,88,.1);color:#34d399}
.status-cancelled{background:rgba(255,77,143,.1);color:#ff4d8f}
.alert{padding:16px 20px;border-radius:var(--radius-sm);margin-bottom:20px;border:1px solid}
.alert-success{background:rgba(48,209,88,.06);border-color:rgba(48,209,88,.18);color:#34d399}
.alert-error{background:rgba(255,77,143,.06);border-color:rgba(255,77,143,.18);color:#ff4d8f}
.alert-info{background:rgba(56,160,255,.06);border-color:rgba(56,160,255,.18);color:var(--cyan)}
.search-bar{display:flex;gap:12px;margin-bottom:24px;flex-wrap:wrap}
.search-bar input,.search-bar select{
  padding:12px 16px;border:1px solid var(--line);border-radius:var(--radius-sm);
  font-size:.9rem;background:var(--surface);color:var(--text);transition:all .3s;
}
.search-bar input:focus,.search-bar select:focus{border-color:rgba(56,160,255,.5);outline:none}

/* ============ 弹窗 ============ */
.modal-overlay{
  display:none;position:fixed;inset:0;z-index:2000;
  background:rgba(0,0,0,.75);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  align-items:center;justify-content:center;
}
.modal-overlay.active{display:flex}
.modal{
  background:linear-gradient(165deg,#0d2a5e,#0a1f49);border:1px solid rgba(130,180,255,.25);border-radius:var(--radius);
  padding:36px;width:90%;max-width:480px;max-height:90vh;overflow-y:auto;
  box-shadow:0 30px 90px rgba(4,16,40,.8);animation:modalIn .3s var(--ease);
}
@keyframes modalIn{from{opacity:0;transform:scale(.96) translateY(10px)}to{opacity:1;transform:scale(1) translateY(0)}}
.modal h2{font-size:1.3rem;font-weight:500;margin-bottom:24px;color:#fff}
.modal-actions{display:flex;gap:12px;justify-content:flex-end;margin-top:28px}

/* ============ 后台 ============ */
.admin-layout{display:flex;min-height:100vh;background:var(--bg)}
.sidebar{
  width:220px;background:linear-gradient(180deg,#0a2050,#081a3e);border-right:1px solid rgba(130,180,255,.1);
  padding:20px 0;flex-shrink:0;position:fixed;top:0;left:0;bottom:0;overflow-y:auto;
}
.sidebar .logo{padding:12px 24px 24px;font-size:1rem;font-weight:500;color:#fff;border-bottom:1px solid rgba(255,255,255,.05);margin-bottom:10px}
.sidebar .nav-item{
  display:flex;align-items:center;gap:12px;padding:13px 24px;color:var(--text3);
  font-size:.88rem;transition:all .3s;text-decoration:none;
}
.sidebar .nav-item:hover{color:#fff;background:rgba(255,255,255,.04)}
.sidebar .nav-item.active{color:#fff;background:rgba(56,160,255,.1);border-left:2px solid var(--blue)}
.admin-main{flex:1;padding:32px;margin-left:220px}
.admin-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:32px}
.admin-header h1{font-size:1.7rem;font-weight:500;letter-spacing:-.02em;color:#fff}
.pagination{display:flex;gap:6px;justify-content:center;margin-top:24px;padding:16px}
.pagination button{
  padding:8px 14px;border:1px solid var(--line);border-radius:var(--radius-sm);
  background:transparent;color:var(--text2);cursor:pointer;transition:all .3s;font-size:.85rem;
}
.pagination button:hover{border-color:rgba(255,255,255,.3);color:#fff}
.pagination button.active{background:#fff;color:#000;border-color:#fff}
.pagination button:disabled{opacity:.3;cursor:not-allowed}

/* ============ 联系页 ============ */
.contact-card{text-align:center;padding:44px 28px}
.contact-card .contact-icon{
  width:72px;height:72px;border-radius:50%;margin:0 auto 18px;
  display:flex;align-items:center;justify-content:center;font-size:1.8rem;
  background:var(--surface2);border:1px solid var(--line);transition:all .5s var(--ease);
}
.contact-card:hover .contact-icon{border-color:rgba(255,255,255,.3);transform:scale(1.08)}
.contact-card h3{font-size:1.05rem;font-weight:500;margin-bottom:8px;color:#fff}
.contact-card p{color:var(--text2);font-size:.95rem}

/* ============ 服务详情页 ============ */
.service-detail-hero{padding:140px 0 40px;text-align:center;position:relative;z-index:1}
.service-detail-hero h1{font-size:clamp(2.2rem,5vw,3.6rem);font-weight:600;letter-spacing:-.03em;margin-bottom:16px;color:#fff}
.service-detail-hero .sub{color:var(--text2);font-size:1.05rem;max-width:640px;margin:0 auto;line-height:1.7}
.service-detail-body{position:relative;z-index:1}
.detail-section{margin-bottom:44px}
.detail-section h2{font-size:1.3rem;font-weight:500;letter-spacing:-.01em;margin-bottom:22px;color:#fff}
.feature-list{list-style:none}
.feature-list li{padding:12px 0 12px 28px;position:relative;color:var(--text2);font-size:.95rem;border-bottom:1px solid rgba(255,255,255,.05)}
.feature-list li:last-child{border-bottom:none}
.feature-list li::before{content:'✓';position:absolute;left:0;top:12px;color:#34d399}
.detail-cta{text-align:center;padding:64px 0}
.detail-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.back-link{display:inline-flex;align-items:center;gap:6px;color:var(--text3);font-size:.88rem;margin-top:24px;letter-spacing:.05em}
.back-link:hover{color:#fff}

/* ============ 动画 ============ */
.fade-up{opacity:0;transform:translateY(40px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.fade-up.visible{opacity:1;transform:translateY(0)}
.fade-up.delay-1{transition-delay:.1s}.fade-up.delay-2{transition-delay:.2s}
.fade-up.delay-3{transition-delay:.3s}.fade-up.delay-4{transition-delay:.4s}
.fade-up.delay-5{transition-delay:.5s}
.scale-in{opacity:0;transform:scale(.94);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.scale-in.visible{opacity:1;transform:scale(1)}

/* 分类标签(保留兼容) */
.category-tag{display:inline-block;padding:4px 12px;border-radius:999px;font-size:.7rem;letter-spacing:.05em}
.tag-repair{background:rgba(255,169,77,.1);color:#ffa94d}
.tag-system{background:rgba(56,160,255,.12);color:var(--cyan)}
.tag-network{background:rgba(45,212,191,.1);color:#2dd4bf}

/* 隐藏所有价格 */
.price, .price-col, .detail-price { display: none !important; }

/* ---- 首屏装饰光环 ---- */
.hero-rings{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:760px;height:760px;pointer-events:none;z-index:0;opacity:.75;
}
.hero-ring{
  position:absolute;inset:0;border-radius:50%;
  border:1px solid rgba(95,208,255,.16);
  animation:ringRotate 30s linear infinite;
}
.hero-ring:nth-child(2){inset:13%;border-color:rgba(120,160,255,.13);animation-duration:22s;animation-direction:reverse}
.hero-ring:nth-child(3){inset:26%;border-color:rgba(80,180,255,.18);animation-duration:40s}
.hero-ring::before{
  content:'';position:absolute;top:-3px;left:50%;width:6px;height:6px;border-radius:50%;
  background:#5fd0ff;box-shadow:0 0 14px rgba(95,208,255,.95);
}
.hero-ring:nth-child(2)::before{background:#8a7bff;box-shadow:0 0 14px rgba(138,123,255,.95)}
.hero-ring:nth-child(3)::before{background:#38a0ff;box-shadow:0 0 14px rgba(56,160,255,.95)}
@keyframes ringRotate{from{transform:rotate(0deg)}to{transform:rotate(360deg)}}

/* ---- 发光能量核心 ---- */
.hero-core{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:520px;height:520px;pointer-events:none;z-index:0;
}
.core-glow{
  position:absolute;inset:0;border-radius:50%;
  background:radial-gradient(circle,rgba(56,160,255,.22),rgba(56,160,255,.06) 45%,transparent 70%);
  animation:coreGlow 5s ease-in-out infinite alternate;
  filter:blur(10px);
}
.core-pulse{
  position:absolute;inset:25%;border-radius:50%;
  border:1px solid rgba(95,208,255,.35);
  animation:corePulse 3.5s ease-out infinite;
}
.core-pulse::before{
  content:'';position:absolute;inset:0;border-radius:50%;
  border:1px solid rgba(120,170,255,.3);
  animation:corePulse 3.5s ease-out 1.3s infinite;
}
.core-pulse::after{
  content:'';position:absolute;inset:0;border-radius:50%;
  border:1px solid rgba(80,200,255,.25);
  animation:corePulse 3.5s ease-out 2.4s infinite;
}
@keyframes coreGlow{
  0%{opacity:.6;transform:scale(.92)}
  100%{opacity:1;transform:scale(1.1)}
}
@keyframes corePulse{
  0%{transform:scale(.5);opacity:.9}
  100%{transform:scale(2.6);opacity:0}
}

/* ---- 四角 HUD 框 ---- */
.hud-corner{
  position:absolute;width:56px;height:56px;border:2px solid rgba(95,208,255,.5);
  z-index:1;pointer-events:none;opacity:.85;
  filter:drop-shadow(0 0 8px rgba(95,208,255,.4));
}
.hud-tl{top:22px;left:24px;border-right:none;border-bottom:none}
.hud-tr{top:22px;right:24px;border-left:none;border-bottom:none}
.hud-bl{bottom:22px;left:24px;border-right:none;border-top:none}
.hud-br{bottom:22px;right:24px;border-left:none;border-top:none}

/* ---- HUD 状态标签 / 坐标角标 ---- */
.hud-badge{
  position:absolute;z-index:1;pointer-events:none;
  font-size:.62rem;letter-spacing:.28em;color:rgba(150,220,255,.75);
  display:flex;align-items:center;gap:8px;
}
.hud-badge::before{
  content:'';display:inline-block;width:7px;height:7px;border-radius:50%;
  background:#38ff9e;box-shadow:0 0 10px #38ff9e;animation:blinkDot 2s ease-in-out infinite;
}
.hud-badge-l{top:80px;left:30px}
.hud-badge-r{top:80px;right:30px}
.hud-badge-r::before{background:#ffaf4d;box-shadow:0 0 10px #ffaf4d;animation-delay:.5s}
@keyframes blinkDot{0%,100%{opacity:1}50%{opacity:.3}}
.hud-coord{
  position:absolute;z-index:1;pointer-events:none;
  font-size:.56rem;letter-spacing:.22em;color:rgba(130,190,255,.55);
}
.hud-coord-l{bottom:76px;left:30px}
.hud-coord-r{bottom:76px;right:30px}

/* ---- 首屏底部扫描线 ---- */
.hero-scan{
  position:absolute;bottom:0;left:0;right:0;height:120px;pointer-events:none;z-index:0;
  background:linear-gradient(180deg,transparent,rgba(56,160,255,.10));
  animation:scanMove 4s ease-in-out infinite;
}
@keyframes scanMove{0%,100%{opacity:.35}50%{opacity:1}}

/* ============================================
   科技特效增强层
   ============================================ */

/* ---- 顶部滚动进度条 ---- */
#scroll-progress{
  position:fixed;top:0;left:0;height:3px;width:0%;
  background:linear-gradient(90deg,#38a0ff,#5fd0ff,#8a7bff);
  z-index:3000;border-radius:0 3px 3px 0;
  box-shadow:0 0 12px rgba(56,160,255,.6);
  pointer-events:none;
}

/* ---- 鼠标跟随光斑 ---- */
#cursor-glow{
  position:fixed;top:0;left:0;width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle,rgba(80,180,255,.10),rgba(60,130,255,.05) 40%,transparent 70%);
  transform:translate(-50%,-50%);pointer-events:none;z-index:0;
  transition:left .2s cubic-bezier(.25,.46,.45,.94),top .2s cubic-bezier(.25,.46,.45,.94);
}

/* ---- 首屏装饰光环 ---- */
.hero-rings{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:780px;height:780px;pointer-events:none;z-index:0;opacity:.7;
}
.hero-ring{
  position:absolute;inset:0;border-radius:50%;
  border:1px solid rgba(95,208,255,.14);
  animation:ringRotate 30s linear infinite;
}
.hero-ring:nth-child(2){inset:12%;border-color:rgba(120,160,255,.12);animation-duration:22s;animation-direction:reverse}
.hero-ring:nth-child(3){inset:24%;border-color:rgba(80,180,255,.16);animation-duration:40s}
.hero-ring::before{
  content:'';position:absolute;top:-3px;left:50%;width:6px;height:6px;border-radius:50%;
  background:#5fd0ff;box-shadow:0 0 12px rgba(95,208,255,.9);
}
.hero-ring:nth-child(2)::before{background:#8a7bff;box-shadow:0 0 12px rgba(138,123,255,.9)}
.hero-ring:nth-child(3)::before{background:#38a0ff;box-shadow:0 0 12px rgba(56,160,255,.9)}
@keyframes ringRotate{from{transform:rotate(0deg)}to{transform:rotate(360deg)}}

/* ---- 首屏底部扫描线 ---- */
.hero-scan{
  position:absolute;bottom:0;left:0;right:0;height:120px;pointer-events:none;z-index:0;
  background:linear-gradient(180deg,transparent,rgba(56,160,255,.08));
  animation:scanMove 4s ease-in-out infinite;
}
@keyframes scanMove{0%,100%{opacity:.4}50%{opacity:1}}

/* ---- 按钮流光增强 ---- */
.btn.glowing{
  position:relative;overflow:hidden;
}
.btn.glowing::after{
  content:'';position:absolute;top:0;left:-130%;width:60%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.4),transparent);
  transform:skewX(-20deg);pointer-events:none;
}
.btn.glowing:hover::after{animation:btnShine 1s var(--ease)}
@keyframes btnShine{from{left:-130%}to{left:160%}}

/* ---- 卡片霓虹边框(悬停) ---- */
.card.neon{position:relative}
.card.neon::before{
  content:'';position:absolute;inset:0;border-radius:var(--radius);padding:1px;
  background:linear-gradient(135deg,rgba(56,160,255,.7),rgba(95,208,255,.3),rgba(138,123,255,.5));
  -webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;
  opacity:0;transition:opacity .5s;pointer-events:none;
}
.card.neon:hover::before{opacity:1}
.card.neon:hover{transform:translateY(-6px);box-shadow:0 20px 60px rgba(10,40,90,.6),0 0 30px rgba(56,160,255,.12)}

/* ---- 步骤数字光环 ---- */
.step-num.glow-ring::after{
  content:'';position:absolute;inset:-5px;border-radius:50%;
  border:1px dashed rgba(95,208,255,.35);
  animation:ringRotate 12s linear infinite;pointer-events:none;
}
.step-item:hover .step-num.glow-ring::after{border-color:rgba(95,208,255,.8)}

/* ---- 回到顶部按钮 ---- */
#back-top{
  position:fixed;right:26px;bottom:26px;width:46px;height:46px;border-radius:50%;
  background:rgba(10,36,80,.8);border:1px solid rgba(130,190,255,.35);
  color:#fff;font-size:1.1rem;cursor:pointer;z-index:2000;
  display:flex;align-items:center;justify-content:center;
  opacity:0;transform:translateY(16px);pointer-events:none;
  transition:all .4s var(--ease);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
}
#back-top.show{opacity:1;transform:translateY(0);pointer-events:auto}
#back-top:hover{background:rgba(56,130,255,.9);box-shadow:0 0 24px rgba(56,160,255,.5);transform:translateY(-3px)}
#back-top.show:hover{transform:translateY(-3px)}

/* ---- 卡片轻微倾斜效果 ---- */
.tilt{transform-style:preserve-3d;will-change:transform}

/* ---- 波纹涟漪按钮 ---- */
.ripple-btn{position:relative;overflow:hidden}
.ripple{
  position:absolute;border-radius:50%;background:rgba(255,255,255,.35);
  transform:scale(0);animation:rippleAnim .7s ease-out;pointer-events:none;
}
@keyframes rippleAnim{to{transform:scale(4);opacity:0}}

/* ---- 浮动光斑装饰(背景) ---- */
body::after{
  content:'';position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(circle 200px at 8% 12%,rgba(95,208,255,.10),transparent 70%),
    radial-gradient(circle 240px at 92% 18%,rgba(138,123,255,.09),transparent 70%),
    radial-gradient(circle 180px at 12% 80%,rgba(56,160,255,.08),transparent 70%),
    radial-gradient(circle 220px at 88% 88%,rgba(80,200,255,.09),transparent 70%);
  animation:bgFloat 12s ease-in-out infinite alternate;
}
@keyframes bgFloat{
  0%{opacity:.6;transform:translateY(0)}
  100%{opacity:1;transform:translateY(-12px)}
}

/* ---- 文字渐变流动(标题) ---- */
.gradient-flow{
  background:linear-gradient(120deg,#38a0ff,#5fd0ff,#8a7bff,#38a0ff);
  background-size:300% 100%;
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
  animation:gradMove 6s linear infinite;
}
@keyframes gradMove{0%{background-position:0% 50%}100%{background-position:300% 50%}}

/* ---- 数据统计数字光效 ---- */
.stat-num.glow-text{
  text-shadow:0 0 30px rgba(56,160,255,.45),0 0 60px rgba(56,160,255,.2);
}

/* ---- HUD 数据面板 ---- */
.hud-panel{
  position:relative;padding:44px 30px;border-radius:20px;
  background:linear-gradient(160deg,rgba(18,48,110,.5),rgba(10,32,75,.4));
  border:1px solid rgba(95,208,255,.3);
  overflow:hidden;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  box-shadow:0 20px 60px rgba(8,30,70,.5),inset 0 1px 0 rgba(255,255,255,.1);
}
.hud-panel::before{
  content:'';position:absolute;top:0;left:-60%;width:40%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(95,208,255,.12),transparent);
  animation:panScan 5s ease-in-out infinite;pointer-events:none;
}
@keyframes panScan{0%{left:-60%}50%{left:130%}100%{left:-60%}}
.hud-panel-badge{
  position:absolute;top:12px;left:50%;transform:translateX(-50%);
  font-size:.6rem;letter-spacing:.34em;color:rgba(140,220,255,.7);
  background:rgba(10,32,75,.7);padding:4px 14px;border-radius:999px;
  border:1px solid rgba(95,208,255,.3);white-space:nowrap;
}
.stat-item{text-align:center}
.stat-item .stat-num{
  font-size:clamp(2.4rem,5vw,3.6rem);font-weight:600;letter-spacing:-.03em;color:#fff;
}
.stat-item .stat-label{color:var(--text3);font-size:.9rem;letter-spacing:.2em;margin-top:6px}

/* 服务项目页 */
.services-page .card-grid{grid-template-columns:repeat(auto-fill,minmax(230px,1fr))}
.services-page .section{padding-top:40px}


/* ============ 移动端性能降级 (added 20261010094541) ============ */
@media (max-width: 768px) {
  /* 关掉大模糊光斑(最耗 GPU),保留静态底色 */
  .hero::before { filter: none; animation: none; opacity: .4; }
  .core-glow { filter: none; animation: none; opacity: .5; }

  /* 隐藏旋转光环和扩散脉冲 */
  .hero-rings, .hero-core { display: none; }

  /* 关掉全屏背景浮动光斑动画 */
  body::after { animation: none; }

  /* 关掉首屏底部扫描线 */
  .hero-scan { display: none; }

  /* HUD 角标去掉 drop-shadow */
  .hud-corner { filter: none; }

  /* 减少标题字重阴影开销 */
  .hero-title { text-shadow: none; }
}


/* ============ 提亮配色 (added) ============ */
:root{
  --bg:#1a3d7a;
  --bg2:#2456a8;
  --bg3:#2e6cc9;
  --surface:rgba(120,180,255,.14);
  --surface2:rgba(120,180,255,.22);
  --surface3:rgba(150,200,255,.3);
  --text:#ffffff;
  --text2:#d6e6ff;
  --text3:#a8c4ec;
  --line:rgba(160,200,255,.28);
}
body{
  background:
    radial-gradient(ellipse 60% 40% at 12% 0%,rgba(90,180,255,.45),transparent 60%),
    radial-gradient(ellipse 55% 40% at 88% 8%,rgba(120,220,255,.35),transparent 60%),
    radial-gradient(ellipse 48% 34% at 6% 55%,rgba(100,140,255,.3),transparent 58%),
    radial-gradient(ellipse 44% 30% at 94% 62%,rgba(80,200,255,.28),transparent 58%),
    linear-gradient(165deg,#2a64b8 0%,#2e74d0 40%,#2456a8 75%,#1a3d7a 100%);
}
body::before{
  background:
    radial-gradient(circle 380px at 20% 30%,rgba(120,210,255,.3),transparent 65%),
    radial-gradient(circle 340px at 78% 26%,rgba(150,230,255,.25),transparent 65%),
    radial-gradient(circle 320px at 62% 74%,rgba(110,160,255,.25),transparent 65%),
    radial-gradient(circle 360px at 32% 84%,rgba(120,220,255,.22),transparent 65%);
}


/* ============ 科技感配色覆盖 (tech v2) ============ */
:root{
  --bg:#0a0f24;
  --bg2:#0f1735;
  --bg3:#131f4a;
  --surface:rgba(0,229,255,.06);
  --surface2:rgba(0,229,255,.1);
  --surface3:rgba(120,180,255,.16);
  --text:#eaf4ff;
  --text2:#9db8e0;
  --text3:#5f7aab;
  --blue:#00c8ff;
  --cyan:#00e5ff;
  --glow:rgba(0,229,255,.45);
  --line:rgba(0,229,255,.18);
}
body{
  background:
    radial-gradient(ellipse 70% 50% at 50% -10%,rgba(0,180,255,.18),transparent 60%),
    radial-gradient(ellipse 50% 40% at 100% 20%,rgba(120,80,255,.14),transparent 60%),
    radial-gradient(ellipse 50% 40% at 0% 80%,rgba(0,140,255,.12),transparent 60%),
    linear-gradient(180deg,#0a0f24 0%,#0d1533 50%,#0a0f24 100%);
}
/* 网格纹理 (科技感 v2: 更细更淡) */
body::after{
  content:'';position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(0,229,255,.025) 1px,transparent 1px),
    linear-gradient(90deg,rgba(0,229,255,.025) 1px,transparent 1px);
  background-size:32px 32px;
  mask-image:radial-gradient(ellipse at center,black 20%,transparent 75%);
  -webkit-mask-image:radial-gradient(ellipse at center,black 20%,transparent 75%);
}
/* 玻璃拟态卡片 */
.card,.hud-panel,.btn,.nav-static{
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
}
/* 标题霓虹光 */
.hero-title{
  text-shadow:0 0 40px rgba(0,200,255,.35),0 0 80px rgba(0,200,255,.15);
}
/* 按钮发光 */
.btn{
  box-shadow:0 0 20px rgba(0,200,255,.25),inset 0 1px 0 rgba(255,255,255,.15);
}


/* ============ 导航栏科技感动效 ============ */
.nav-static{
  background:linear-gradient(180deg,rgba(10,15,36,.75),rgba(10,15,36,.55));
  border-bottom:1px solid rgba(0,229,255,.15);
  box-shadow:0 1px 0 rgba(0,229,255,.08),0 8px 32px rgba(0,0,0,.3);
}
/* 底部渐变光线 */
.nav-static::after{
  content:'';position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(0,229,255,.6),rgba(120,80,255,.5),transparent);
  background-size:200% 100%;
  animation:navScan 6s linear infinite;
}
@keyframes navScan{
  0%{background-position:0% 50%}
  100%{background-position:200% 50%}
}
.nav-static .nav-links a{
  position:relative;padding:10px 2px;
  transition:color .3s,text-shadow .3s;
}
/* hover 下划线扫入 */
.nav-static .nav-links a::after{
  content:'';position:absolute;left:50%;bottom:0;width:0;height:1px;
  background:linear-gradient(90deg,transparent,#00e5ff,transparent);
  transition:width .35s var(--ease),left .35s var(--ease);
  box-shadow:0 0 8px rgba(0,229,255,.8);
}
.nav-static .nav-links a:hover{
  color:#fff;text-shadow:0 0 12px rgba(0,229,255,.6);
}
.nav-static .nav-links a:hover::after{width:100%;left:0}
.nav-static .nav-links a.active{
  color:#fff;text-shadow:0 0 14px rgba(0,229,255,.7);
  border-bottom:none;
}
.nav-static .nav-links a.active::after{
  width:100%;left:0;
  background:linear-gradient(90deg,transparent,#00e5ff,#78c8ff,transparent);
}


/* ============ 导航栏透出粒子 ============ */
.nav-static{
  background:linear-gradient(180deg,rgba(10,15,36,.35),rgba(10,15,36,.2));
  backdrop-filter:saturate(160%) blur(18px);
  -webkit-backdrop-filter:saturate(160%) blur(18px);
}


/* ============ 隐藏导航栏 ============ */
.nav-static, ul.nav-links-mobile{ display:none !important; }
.hero{ padding-top:0 !important; }