:root{
  --bg:#05070f;
  --panel:rgba(255,255,255,.05);
  --panel-2:rgba(255,255,255,.025);
  --line:rgba(140,170,255,.16);
  --text:#e8edff;
  --muted:#9aa6c8;
  --cyan:#3ee9ff;
  --violet:#a86bff;
  --pink:#ff5cf0;
  --radius:18px;
  --max:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  background:#05070f;
  color:var(--text);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(900px 620px at 10% -6%, rgba(62,233,255,.16), transparent 62%),
    radial-gradient(880px 640px at 92% 8%, rgba(168,107,255,.18), transparent 64%),
    radial-gradient(780px 560px at 50% 98%, rgba(255,92,240,.10), transparent 62%);
}
.site-header,.site-main,.site-footer{position:relative;z-index:1;}
img{max-width:100%;border-style:none;}
p{margin:0 0 12px;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;color:#f2f6ff;letter-spacing:.01em;}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px;}
section[id]{scroll-margin-top:86px;}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(5,7,15,.78);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(140,170,255,.13);
}
.header-inner{display:flex;align-items:center;gap:22px;min-height:70px;position:relative;}
.brand{display:flex;align-items:center;flex:0 0 auto;width:136px;}
.ai-page-logo{display:block;width:100%;height:auto;}
.nav{margin-left:auto;display:flex;align-items:center;gap:16px;}
.nav-links{display:flex;align-items:center;gap:0;flex-wrap:nowrap;margin:0;padding:0;}
.nav-links a{
  display:block;padding:8px 11px;font-size:13.5px;color:#a9b4d4;border-radius:10px;
  transition:color .25s,background .25s;
}
.nav-links a:hover{color:#fff;background:rgba(62,233,255,.12);}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  padding:10px 20px;border-radius:999px;font-size:13.5px;font-weight:600;
  color:#04121a;background:linear-gradient(120deg,#5ef0ff,#8b7bff 58%,#ff7bf0);
  box-shadow:0 10px 26px -12px rgba(94,240,255,.85);
  transition:transform .25s,box-shadow .25s;
  white-space:nowrap;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 16px 34px -12px rgba(139,123,255,.9);}
.nav-toggle{
  display:none;margin-left:auto;
  width:44px;height:40px;border-radius:12px;
  background:rgba(255,255,255,.06);border:1px solid var(--line);
  cursor:pointer;padding:0;flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:#cfd8f5;transition:transform .3s,opacity .3s;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* 首屏 */
.hero{position:relative;overflow:hidden;padding:88px 0 76px;}
.hero-bg{position:absolute;inset:0;pointer-events:none;}
.orb{position:absolute;border-radius:50%;filter:blur(64px);opacity:.55;animation:orbFloat 18s ease-in-out infinite;}
.orb-1{width:360px;height:360px;background:radial-gradient(circle,#3ee9ff,transparent 70%);top:-140px;left:-80px;}
.orb-2{width:420px;height:420px;background:radial-gradient(circle,#a86bff,transparent 70%);top:-90px;right:-120px;animation-delay:-6s;}
.orb-3{width:320px;height:320px;background:radial-gradient(circle,#ff5cf0,transparent 70%);bottom:-180px;left:45%;animation-delay:-11s;}
.grid-lines{
  position:absolute;inset:-8% -10% 0;
  background-image:linear-gradient(rgba(140,170,255,.10) 1px,transparent 1px),linear-gradient(90deg,rgba(140,170,255,.10) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(70% 62% at 50% 30%,#000,transparent 78%);
  mask-image:radial-gradient(70% 62% at 50% 30%,#000,transparent 78%);
  opacity:.7;
}
@keyframes orbFloat{0%,100%{transform:translate3d(0,0,0);}50%{transform:translate3d(24px,-28px,0);}}
.hero-inner{position:relative;z-index:2;max-width:880px;}
.eyebrow{
  display:inline-block;font-size:12.5px;letter-spacing:.16em;color:#7fe9ff;
  padding:6px 14px;border-radius:999px;border:1px solid rgba(62,233,255,.32);
  background:rgba(62,233,255,.09);margin-bottom:24px;
}
.hero h1{
  font-size:clamp(30px,5vw,54px);line-height:1.22;letter-spacing:.01em;margin-bottom:20px;
  text-shadow:0 0 44px rgba(62,233,255,.25);
}
.hero-sub{font-size:clamp(15px,1.6vw,17px);color:#a9b4d4;max-width:760px;margin-bottom:32px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:20px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 30px;border-radius:999px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;font-family:inherit;
  transition:transform .25s,box-shadow .25s,background .25s,border-color .25s,color .25s;
}
.btn-primary{
  color:#04121a;background:linear-gradient(120deg,#5ef0ff,#8b7bff 58%,#ff7bf0);
  box-shadow:0 14px 34px -14px rgba(94,240,255,.9);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 44px -16px rgba(139,123,255,.95);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{color:#dce5ff;background:rgba(255,255,255,.06);border-color:rgba(140,170,255,.32);}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:rgba(62,233,255,.6);transform:translateY(-2px);}
.hero-note{font-size:13.5px;color:#8b96b8;margin-bottom:22px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
.hero-tags span{
  font-size:13px;color:#c4cff0;padding:7px 14px;border-radius:999px;
  border:1px solid rgba(140,170,255,.22);background:rgba(255,255,255,.04);
}

/* 通用区块 */
.section{padding:84px 0;position:relative;}
.section-head{max-width:780px;margin:0 0 40px;}
.section-eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.16em;color:#7fe9ff;
  padding:6px 13px;border-radius:999px;border:1px solid rgba(62,233,255,.3);
  background:rgba(62,233,255,.08);margin-bottom:16px;
}
.section-title{font-size:clamp(23px,3.4vw,34px);margin-bottom:14px;}
.section-desc{color:#9aa6c8;font-size:15.5px;margin:0;}
.card{
  background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.02));
  border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;transition:transform .35s cubic-bezier(.2,.7,.3,1),border-color .35s,box-shadow .35s;
}
.card:hover{
  transform:translateY(-6px);
  border-color:rgba(62,233,255,.45);
  box-shadow:0 20px 46px -20px rgba(62,233,255,.55);
}
.card h3{font-size:17.5px;margin-bottom:10px;}
.card p{color:#9aa6c8;font-size:14.5px;margin:0;}
.reveal{opacity:0;transform:translateY(22px);transition:opacity .75s ease,transform .75s ease;}
.reveal.in{opacity:1;transform:none;}

/* 数据指标 */
.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:36px;}
.stat-card{
  border-radius:16px;padding:24px 22px;border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(62,233,255,.10),rgba(168,107,255,.08));
  transition:transform .35s,box-shadow .35s;
}
.stat-card:hover{transform:translateY(-5px);box-shadow:0 18px 40px -22px rgba(62,233,255,.7);}
.stat-card strong{display:block;font-size:30px;line-height:1.2;color:#eaf2ff;letter-spacing:.02em;}
.stat-card span{display:block;font-size:13.5px;color:#9aa6c8;margin-top:6px;}

/* 关于我们 */
.about-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:24px;align-items:start;}
.about-text p{color:#a9b4d4;font-size:15px;}
.about-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;}
.about-item{
  border-radius:14px;padding:18px;border:1px solid var(--line);background:rgba(255,255,255,.035);
  transition:border-color .3s,transform .3s,background .3s;
}
.about-item:hover{border-color:rgba(168,107,255,.5);transform:translateY(-3px);background:rgba(168,107,255,.08);}
.about-item h3{font-size:15px;margin-bottom:6px;}
.about-item p{font-size:13.5px;color:#9aa6c8;margin:0;}

/* 服务能力 */
.cap-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.cap-card{position:relative;overflow:hidden;}
.cap-card::after{
  content:"";position:absolute;top:-40px;right:-40px;width:120px;height:120px;border-radius:50%;
  background:radial-gradient(circle,rgba(62,233,255,.25),transparent 70%);
  opacity:0;transition:opacity .35s;
}
.cap-card:hover::after{opacity:1;}
.cap-num{
  display:inline-block;font-size:12px;letter-spacing:.14em;color:#7fe9ff;
  margin-bottom:12px;
}

/* 一站式制作 */
.scene-group{margin-bottom:26px;}
.scene-group h3{font-size:15px;color:#c4cff0;margin-bottom:14px;display:flex;align-items:center;gap:10px;}
.scene-group h3::before{content:"";width:16px;height:2px;border-radius:2px;background:linear-gradient(90deg,#3ee9ff,#a86bff);}
.chips{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  display:inline-flex;align-items:center;padding:8px 15px;border-radius:999px;
  border:1px solid rgba(140,170,255,.22);background:rgba(255,255,255,.045);
  color:#cfd8f5;font-size:13.5px;transition:transform .28s,border-color .28s,background .28s,color .28s;
}
.chip:hover{transform:translateY(-2px);border-color:rgba(62,233,255,.6);background:rgba(62,233,255,.12);color:#fff;}

/* 行业方案 */
.solution-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.solution-card{border-radius:var(--radius);border:1px solid var(--line);padding:26px;background:rgba(255,255,255,.035);transition:transform .35s,border-color .35s;}
.solution-card:hover{transform:translateY(-6px);border-color:rgba(255,92,240,.45);}
.solution-card h3{font-size:17px;margin-bottom:10px;}
.solution-card p{font-size:14px;color:#9aa6c8;margin:0;}

/* 服务网络 */
.network-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px;}
.network-item{
  border-radius:14px;padding:20px;border:1px solid var(--line);
  background:linear-gradient(170deg,rgba(255,255,255,.055),rgba(255,255,255,.02));
  transition:transform .3s,border-color .3s;
}
.network-item:hover{transform:translateY(-4px);border-color:rgba(62,233,255,.45);}
.network-item h3{font-size:14.5px;margin-bottom:8px;}
.network-item p{font-size:13px;color:#9aa6c8;margin:0;}

/* 标准流程 */
.process-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;}
.process-item{position:relative;border-radius:16px;border:1px solid var(--line);padding:26px 22px;background:rgba(255,255,255,.035);}
.process-item::before{
  content:attr(data-step);
  position:absolute;top:16px;right:20px;font-size:34px;font-weight:800;line-height:1;
  color:rgba(140,170,255,.16);
}
.process-item h3{font-size:15.5px;margin-bottom:8px;}
.process-item p{font-size:13.5px;color:#9aa6c8;margin:0;}

/* 案例中心 */
.case-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
.case-card{
  border-radius:var(--radius);border:1px solid var(--line);overflow:hidden;
  background:rgba(255,255,255,.035);transition:transform .35s,border-color .35s,box-shadow .35s;
}
.case-card:hover{transform:translateY(-5px);border-color:rgba(62,233,255,.45);box-shadow:0 20px 46px -24px rgba(62,233,255,.6);}
.case-media{
  display:flex;align-items:center;justify-content:center;
  aspect-ratio:16/10;background:linear-gradient(140deg,rgba(62,233,255,.08),rgba(168,107,255,.10));
  padding:12px;
}
.case-media img{width:100%;height:100%;object-fit:contain;border-radius:10px;}
.case-media.is-square{aspect-ratio:1/1;max-width:360px;margin:0 auto;}
.case-body{padding:22px;}
.case-body h3{font-size:16.5px;margin-bottom:8px;}
.case-body p{font-size:13.8px;color:#9aa6c8;margin:0;}
.case-wrap{display:grid;gap:18px;}

/* 对比评测 */
.compare-layout{display:grid;grid-template-columns:300px 1fr;gap:24px;align-items:start;}
.rating-card{
  border-radius:var(--radius);padding:30px 26px;text-align:center;
  border:1px solid rgba(62,233,255,.32);
  background:linear-gradient(170deg,rgba(62,233,255,.14),rgba(168,107,255,.12));
}
.rating-score strong{font-size:52px;line-height:1;color:#eaf6ff;}
.rating-score span{font-size:16px;color:#9aa6c8;margin-left:4px;}
.rating-stars{color:#ffd76a;font-size:20px;letter-spacing:3px;margin:14px 0 6px;}
.rating-card p{font-size:13.8px;color:#bfcbea;margin:0 0 10px;}
.rating-card .btn{margin-top:12px;width:100%;}
.table-wrap{overflow-x:auto;border-radius:16px;border:1px solid var(--line);background:rgba(255,255,255,.03);}
table{border-collapse:collapse;width:100%;min-width:720px;font-size:14px;}
th,td{padding:15px 18px;text-align:left;border-bottom:1px solid rgba(140,170,255,.12);}
th{background:rgba(140,170,255,.09);color:#dfe7ff;font-weight:600;font-size:13.5px;white-space:nowrap;}
td{color:#9aa6c8;}
td:first-child{color:#dfe7ff;font-weight:600;white-space:nowrap;}
th.hl{color:#7fe9ff;}
td.hl{color:#9ef2ff;font-weight:600;}
tbody tr:last-child td{border-bottom:none;}
tbody tr:hover td{background:rgba(62,233,255,.05);}

/* Token 比价 */
.price-note{
  display:flex;flex-wrap:wrap;gap:12px;margin-top:18px;
}
.price-note span{
  font-size:13.5px;color:#c4cff0;padding:9px 16px;border-radius:999px;
  border:1px solid rgba(140,170,255,.24);background:rgba(255,255,255,.04);
}

/* 用户评论 */
.review-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.review-card{
  border-radius:var(--radius);padding:24px;border:1px solid var(--line);
  background:rgba(255,255,255,.035);display:flex;flex-direction:column;gap:14px;
  transition:transform .35s,border-color .35s;
}
.review-card:hover{transform:translateY(-5px);border-color:rgba(168,107,255,.5);}
.review-quote{font-size:14.2px;color:#c2ccea;margin:0;flex:1;}
.review-user{display:flex;align-items:center;gap:12px;}
.avatar{
  width:40px;height:40px;border-radius:50%;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;color:#04121a;
  background:linear-gradient(135deg,#5ef0ff,#a86bff);
}
.review-user strong{display:block;font-size:14px;color:#eaf2ff;}
.review-user span{display:block;font-size:12.5px;color:#8b96b8;}

/* 文章列表 */
.article-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
.article-card{
  display:flex;flex-direction:column;gap:8px;padding:22px 24px;border-radius:16px;
  border:1px solid var(--line);background:rgba(255,255,255,.035);
  transition:transform .3s,border-color .3s,background .3s;
}
.article-card:hover{transform:translateY(-4px);border-color:rgba(62,233,255,.5);background:rgba(62,233,255,.07);}
.article-card h3{font-size:15.5px;}
.article-card p{font-size:13.5px;color:#9aa6c8;margin:0;}
.article-card .more{font-size:13px;color:#7fe9ff;}

/* FAQ */
.faq-list{display:grid;gap:12px;max-width:920px;}
.faq-item{border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.035);overflow:hidden;transition:border-color .3s;}
.faq-item.open{border-color:rgba(62,233,255,.5);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:transparent;border:0;cursor:pointer;
  font-family:inherit;font-size:15px;font-weight:600;color:#e6ecff;text-align:left;line-height:1.6;
}
.faq-q:hover{color:#9ef2ff;}
.faq-icon{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;position:relative;
  border:1px solid rgba(140,170,255,.4);transition:transform .3s,border-color .3s;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;top:50%;left:50%;background:#9ef2ff;border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:10px;height:2px;}
.faq-icon::after{width:2px;height:10px;transition:opacity .3s;}
.faq-item.open .faq-icon{transform:rotate(180deg);border-color:rgba(62,233,255,.7);}
.faq-item.open .faq-icon::after{opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .38s ease;}
.faq-a p{padding:0 22px 20px;margin:0;color:#9aa6c8;font-size:14.2px;}

/* 加盟代理 */
.partner-card{
  border-radius:24px;padding:40px;
  border:1px solid rgba(168,107,255,.35);
  background:linear-gradient(140deg,rgba(62,233,255,.12),rgba(168,107,255,.14) 55%,rgba(255,92,240,.10));
  display:grid;grid-template-columns:1.4fr 1fr;gap:28px;align-items:center;
}
.partner-card h2{font-size:clamp(21px,3vw,28px);margin-bottom:12px;}
.partner-card p{color:#bfcbea;font-size:14.5px;margin:0;}
.partner-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;}

/* 联系我们 */
.contact-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:24px;align-items:start;}
.contact-form{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;
  border-radius:var(--radius);border:1px solid var(--line);padding:28px;
  background:rgba(255,255,255,.035);
}
.field{display:flex;flex-direction:column;gap:8px;}
.field-full{grid-column:1/-1;}
.field label{font-size:13.5px;color:#c4cff0;font-weight:600;}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border-radius:12px;font-family:inherit;font-size:14px;
  color:#eaf2ff;background:rgba(8,12,26,.75);
  border:1px solid rgba(140,170,255,.22);
  transition:border-color .25s,box-shadow .25s;
}
.field input::placeholder,.field textarea::placeholder{color:#6b7799;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:rgba(62,233,255,.7);
  box-shadow:0 0 0 3px rgba(62,233,255,.16);
}
.field textarea{resize:vertical;min-height:110px;}
.field select option{color:#0a1020;background:#eef2ff;}
.contact-info{display:grid;gap:14px;}
.info-card{border-radius:16px;border:1px solid var(--line);padding:22px;background:rgba(255,255,255,.035);}
.info-card h3{font-size:15.5px;margin-bottom:12px;}
.info-card ul{display:grid;gap:8px;}
.info-card li{font-size:13.8px;color:#9aa6c8;}
.info-card li strong{color:#dfe7ff;font-weight:600;}
.info-card a{color:#7fe9ff;}
.info-card a:hover{text-decoration:underline;}
.qr-box{display:flex;align-items:center;gap:16px;}
.qr-media{
  width:112px;padding:8px;border-radius:12px;background:#fff;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
}
.qr-media img{width:100%;height:auto;display:block;border-radius:6px;}
.qr-box p{font-size:13.5px;color:#9aa6c8;margin:0;}

/* 页脚 */
.site-footer{
  border-top:1px solid rgba(140,170,255,.14);
  background:rgba(4,6,13,.72);
  padding:48px 0 26px;
  margin-top:0;
}
.footer-top{display:grid;grid-template-columns:1fr 1.4fr;gap:32px;align-items:start;}
.footer-brand .footer-logo-text{
  font-size:19px;font-weight:700;color:#eef3ff;letter-spacing:.04em;margin-bottom:12px;display:block;
}
.footer-brand p{font-size:13.8px;color:#8f9abb;margin:0 0 14px;max-width:420px;}
.ai-page-home-link{color:#7fe9ff;font-size:13.8px;}
.ai-page-home-link:hover{text-decoration:underline;}
.footer-links h3{font-size:14px;color:#cfd8f5;margin-bottom:14px;}
.footer-links ul{display:flex;flex-wrap:wrap;gap:10px;}
.footer-links a{
  display:inline-block;font-size:13px;color:#9aa6c8;padding:7px 14px;border-radius:999px;
  border:1px solid rgba(140,170,255,.18);background:rgba(255,255,255,.035);
  transition:border-color .25s,color .25s,background .25s;
}
.footer-links a:hover{color:#fff;border-color:rgba(62,233,255,.55);background:rgba(62,233,255,.1);}
.footer-bottom{
  margin-top:28px;padding-top:18px;border-top:1px solid rgba(140,170,255,.12);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;
}
.footer-bottom p{font-size:13px;color:#7c88a8;margin:0;}
.footer-bottom a{color:#8fd9ff;}
.footer-bottom a:hover{text-decoration:underline;}

/* 浮动客服与返回顶部 */
.float-support{position:fixed;right:20px;bottom:20px;z-index:80;}
.support-toggle{
  width:56px;height:56px;border-radius:50%;border:1px solid rgba(62,233,255,.5);
  background:linear-gradient(140deg,#5ef0ff,#a86bff);
  color:#04121a;font-size:13px;font-weight:700;cursor:pointer;
  box-shadow:0 14px 34px -14px rgba(94,240,255,.9);
  transition:transform .25s,box-shadow .25s;
}
.support-toggle:hover{transform:translateY(-3px);box-shadow:0 20px 40px -16px rgba(139,123,255,.95);}
.support-panel{
  position:absolute;right:0;bottom:70px;width:236px;
  border-radius:16px;border:1px solid rgba(140,170,255,.28);
  background:rgba(8,12,24,.98);
  padding:18px;display:none;box-shadow:0 24px 50px -20px rgba(0,0,0,.9);
}
.support-panel.open{display:block;animation:panelIn .28s ease;}
@keyframes panelIn{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:none;}}
.support-panel img{width:100%;height:auto;display:block;border-radius:10px;background:#fff;padding:6px;margin-bottom:12px;}
.support-panel p{font-size:13px;color:#a9b4d4;margin:0 0 6px;}
.support-panel p:last-child{margin-bottom:0;}
.back-top{
  position:fixed;right:20px;bottom:88px;z-index:79;
  width:44px;height:44px;border-radius:50%;border:1px solid rgba(140,170,255,.3);
  background:rgba(10,15,30,.9);color:#cfd8f5;font-size:16px;cursor:pointer;
  display:none;align-items:center;justify-content:center;
  transition:border-color .25s,color .25s,transform .25s;
}
.back-top.show{display:flex;}
.back-top:hover{border-color:rgba(62,233,255,.7);color:#9ef2ff;transform:translateY(-3px);}

/* 响应式 */
@media (max-width:1080px){
  .nav-toggle{display:flex;}
  .nav{
    position:absolute;top:100%;left:0;right:0;margin-left:0;
    display:none;flex-direction:column;align-items:stretch;gap:0;
    background:rgba(6,9,20,.99);
    border-bottom:1px solid rgba(140,170,255,.18);
    padding:8px 20px 20px;
  }
  .nav.open{display:flex;}
  .nav-links{flex-direction:column;align-items:stretch;gap:0;width:100%;}
  .nav-links a{padding:13px 6px;font-size:15px;border-bottom:1px solid rgba(140,170,255,.1);border-radius:0;}
  .nav-cta{margin-top:16px;justify-content:center;padding:12px 20px;font-size:14px;}
  .cap-grid,.solution-grid,.review-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .network-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
  .process-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .compare-layout{grid-template-columns:1fr;}
  .partner-card{grid-template-columns:1fr;padding:32px;}
  .partner-actions{justify-content:flex-start;}
  .contact-grid{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr;}
}
@media (max-width:860px){
  .about-grid{grid-template-columns:1fr;}
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .case-grid{grid-template-columns:1fr;}
  .article-grid{grid-template-columns:1fr;}
}
@media (max-width:640px){
  .hero{padding:60px 0 56px;}
  .section{padding:58px 0;}
  .cap-grid,.solution-grid,.review-grid,.network-grid,.process-grid,.about-list{grid-template-columns:1fr;}
  .contact-form{grid-template-columns:1fr;padding:22px;}
  .btn{width:100%;}
  .hero-actions .btn{width:100%;}
  .partner-actions{width:100%;}
  .partner-actions .btn{width:100%;}
  .float-support{right:14px;bottom:14px;}
  .back-top{right:14px;bottom:80px;}
  .support-panel{width:210px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .section-head{margin-bottom:28px;}
  .card,.solution-card{padding:22px;}
}
@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;}
}

.reveal{opacity:1;transform:none;}