*{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:15.5px;
  line-height:1.75;
  color:#12162b;
  background-color:#f7f8fd;
  background-image:
    radial-gradient(760px 460px at 6% -4%, rgba(146,186,255,.42), transparent 62%),
    radial-gradient(700px 420px at 96% -2%, rgba(230,168,255,.36), transparent 60%),
    radial-gradient(880px 520px at 46% 34%, rgba(158,236,232,.22), transparent 70%),
    radial-gradient(700px 460px at 12% 76%, rgba(190,178,255,.20), transparent 70%),
    radial-gradient(700px 460px at 88% 96%, rgba(255,196,226,.22), transparent 70%);
  background-attachment:fixed;
  background-repeat:no-repeat;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;}
a{color:#4a3fd0;}
.container{width:100%;max-width:1180px;margin:0 auto;padding-left:22px;padding-right:22px;}
section[id]{scroll-margin-top:86px;}
.section{padding:72px 0;}
.section-tight{padding:52px 0;}
h1,h2,h3,h4{margin:0;color:#12162b;font-weight:700;letter-spacing:.1px;}
p{margin:0;color:#39405f;}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(250,251,255,.88);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(96,116,190,.16);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:72px;position:relative;}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0;}
.ai-page-logo{max-width:100%;height:auto;max-height:38px;width:auto;display:block;}
.brand-name{font-size:17px;font-weight:700;color:#12162b;letter-spacing:.5px;white-space:nowrap;}
.nav-links{display:flex;align-items:center;justify-content:flex-end;gap:0;flex-wrap:nowrap;}
.nav-links a{
  display:inline-block;padding:9px 11px;font-size:14.5px;color:#33395c;text-decoration:none;
  border-radius:9px;white-space:nowrap;
  transition:color .2s ease,background .2s ease,transform .2s ease;
}
.nav-links a:hover{color:#4238c8;background:rgba(140,160,255,.14);}
.nav-links .nav-cta{
  color:#ffffff;font-weight:600;margin-left:10px;padding:9px 18px;border-radius:999px;
  background:linear-gradient(120deg,#5b52f0,#8f5cf6 55%,#25b6cf);
  box-shadow:0 8px 18px rgba(90,80,235,.24);
}
.nav-links .nav-cta:hover{color:#ffffff;background:linear-gradient(120deg,#4b42e0,#7f4ce6 55%,#1aa5be);transform:translateY(-1px);box-shadow:0 12px 22px rgba(90,80,235,.32);}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:40px;padding:0 10px;border:1px solid rgba(96,116,190,.28);
  border-radius:10px;background:#fff;cursor:pointer;
}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:#3b4270;transition:transform .25s ease,opacity .25s ease;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 27px;border-radius:999px;font-size:15px;font-weight:600;
  text-decoration:none;border:1px solid transparent;cursor:pointer;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease;
}
.btn-primary{color:#ffffff;background:linear-gradient(120deg,#5b52f0,#8f5cf6 52%,#25b6cf);box-shadow:0 12px 26px rgba(90,80,235,.28);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(90,80,235,.36);color:#ffffff;}
.btn-primary:active{transform:translateY(0);box-shadow:0 8px 18px rgba(90,80,235,.3);}
.btn-ghost{color:#2a2f52;background:rgba(255,255,255,.9);border-color:rgba(96,116,190,.3);}
.btn-ghost:hover{background:#ffffff;transform:translateY(-2px);box-shadow:0 14px 26px rgba(44,54,110,.14);color:#2a2f52;}
.btn-ghost:active{transform:translateY(0);}

/* 标题区 */
.section-head{max-width:780px;margin-bottom:34px;}
.section-head h2{font-size:clamp(22px,3vw,30px);line-height:1.36;margin:14px 0 12px;}
.section-head p{color:#4a5175;font-size:15.5px;}
.tag{
  display:inline-block;padding:5px 14px;border-radius:999px;font-size:13px;font-weight:600;
  color:#3f37b8;letter-spacing:.4px;
  background:linear-gradient(120deg,rgba(150,190,255,.34),rgba(214,168,255,.34),rgba(160,238,236,.34));
  border:1px solid rgba(120,140,220,.3);
}

/* 首屏 */
.hero{padding:54px 0 22px;}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:46px;align-items:center;}
.eyebrow{
  display:inline-block;padding:6px 15px;border-radius:999px;font-size:13px;font-weight:600;color:#3f37b8;
  background:rgba(255,255,255,.86);border:1px solid rgba(120,140,220,.3);
  box-shadow:0 6px 16px rgba(80,90,170,.08);
}
.hero h1{font-size:clamp(27px,4.4vw,44px);line-height:1.26;margin:18px 0 16px;letter-spacing:-.4px;}
.hero-sub{font-size:16px;color:#414a72;max-width:620px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-points{list-style:none;display:flex;flex-wrap:wrap;gap:10px 22px;padding:0;margin:26px 0 0;}
.hero-points li{position:relative;padding-left:20px;font-size:14px;color:#4a5175;}
.hero-points li::before{
  content:"";position:absolute;left:0;top:50%;width:9px;height:9px;margin-top:-4.5px;border-radius:3px;
  background:linear-gradient(135deg,#6b5df5,#25b6cf);transform:rotate(45deg);
}
.hero-panel{
  position:relative;overflow:hidden;
  padding:24px;border-radius:24px;
  background:linear-gradient(158deg,rgba(255,255,255,.96),rgba(255,255,255,.74));
  border:1px solid rgba(96,116,190,.22);
  box-shadow:0 24px 52px rgba(50,60,130,.14);
}
.hero-panel::before{
  content:"";position:absolute;top:-90px;right:-70px;width:230px;height:230px;border-radius:50%;
  background:conic-gradient(from 0deg,#8fd4ff,#c6b0ff,#ffc2e4,#a9f2e2,#8fd4ff);
  filter:blur(30px);opacity:.5;
}
.panel-head{position:relative;display:flex;align-items:center;gap:9px;font-size:13.5px;font-weight:600;color:#3c4370;}
.panel-head .dot{width:9px;height:9px;border-radius:50%;background:linear-gradient(135deg,#6b5df5,#25b6cf);box-shadow:0 0 0 4px rgba(107,93,245,.14);}
.chip-cloud{position:relative;display:flex;flex-wrap:wrap;gap:8px;margin:16px 0 18px;}
.chip-cloud span{
  display:inline-block;padding:6px 12px;border-radius:999px;font-size:13px;color:#2f3560;
  background:rgba(255,255,255,.92);border:1px solid rgba(96,116,190,.22);
  transition:transform .25s ease,background .25s ease,box-shadow .25s ease;
}
.chip-cloud span:hover{transform:translateY(-2px);background:linear-gradient(120deg,rgba(150,190,255,.44),rgba(214,168,255,.44));box-shadow:0 8px 16px rgba(90,100,180,.14);}
.panel-foot{position:relative;font-size:13.5px;color:#5b6280;padding-top:14px;border-top:1px dashed rgba(96,116,190,.26);}

/* 数据指标 */
.metrics{padding:26px 0 8px;}
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.metric{
  padding:22px 20px;border-radius:16px;text-align:center;
  background:rgba(255,255,255,.82);border:1px solid rgba(96,116,190,.18);
  box-shadow:0 8px 22px rgba(44,54,110,.06);
  transition:transform .3s ease,box-shadow .3s ease;
}
.metric:hover{transform:translateY(-4px);box-shadow:0 18px 32px rgba(44,54,110,.12);}
.metric strong{display:block;font-size:26px;line-height:1.3;background:linear-gradient(120deg,#4a3fd0,#8f5cf6 60%,#1aa5be);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;color:#4a3fd0;}
.metric span{display:block;margin-top:4px;font-size:13.5px;color:#4a5175;}

/* 通用卡片 */
.card{
  position:relative;overflow:hidden;
  padding:24px;border-radius:18px;
  background:#ffffff;border:1px solid rgba(96,116,190,.16);
  box-shadow:0 4px 16px rgba(44,54,110,.06);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,#8fd4ff,#c6b0ff,#ffc2e4,#a9f2e2);
  opacity:0;transition:opacity .3s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:0 18px 36px rgba(44,54,110,.13);border-color:rgba(120,140,220,.4);}
.card:hover::before{opacity:1;}
.card h3{font-size:16.5px;margin-bottom:9px;line-height:1.45;}
.card p{font-size:14.2px;color:#4a5175;line-height:1.72;}
.grid{display:grid;gap:18px;}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
.grid-auto{grid-template-columns:repeat(auto-fit,minmax(250px,1fr));}

/* 关于我们 */
.about-lead{
  padding:26px 28px;border-radius:18px;margin-bottom:22px;
  background:linear-gradient(120deg,rgba(255,255,255,.95),rgba(240,244,255,.9));
  border:1px solid rgba(96,116,190,.18);
  box-shadow:0 10px 26px rgba(44,54,110,.07);
}
.about-lead p{font-size:15.5px;color:#3a4166;}

/* 一站式制作 */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:flow;}
.flow-item{
  position:relative;padding:26px 22px 24px;border-radius:18px;
  background:#ffffff;border:1px solid rgba(96,116,190,.16);
  box-shadow:0 6px 18px rgba(44,54,110,.06);
  transition:transform .3s ease,box-shadow .3s ease;
}
.flow-item:hover{transform:translateY(-4px);box-shadow:0 18px 34px rgba(44,54,110,.12);}
.flow-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:11px;margin-bottom:14px;
  font-size:14px;font-weight:700;color:#ffffff;
  background:linear-gradient(135deg,#5b52f0,#25b6cf);
  box-shadow:0 8px 16px rgba(90,80,235,.24);
}
.flow-item h3{font-size:16px;margin-bottom:8px;}
.flow-item p{font-size:14px;color:#4a5175;}

/* 行业方案 */
.solution-card{padding:24px 22px;}
.solution-card .sol-label{
  display:inline-block;font-size:12.5px;font-weight:600;color:#3f37b8;
  padding:3px 11px;border-radius:999px;margin-bottom:12px;
  background:rgba(150,180,255,.2);border:1px solid rgba(120,140,220,.26);
}

/* 服务网络 */
.network-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:26px;align-items:start;}
.network-list{list-style:none;margin:0;padding:0;display:grid;gap:14px;}
.network-list li{
  padding:18px 20px;border-radius:14px;background:#ffffff;
  border:1px solid rgba(96,116,190,.16);
  box-shadow:0 6px 16px rgba(44,54,110,.05);
  transition:transform .3s ease,box-shadow .3s ease;
}
.network-list li:hover{transform:translateY(-3px);box-shadow:0 14px 28px rgba(44,54,110,.1);}
.network-list strong{display:block;font-size:15px;color:#12162b;margin-bottom:4px;}
.network-list span{font-size:14px;color:#4a5175;}

/* 标准流程时间线 */
.timeline{position:relative;padding-left:26px;}
.timeline::before{
  content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,#8fd4ff,#c6b0ff,#ffc2e4,#a9f2e2);
}
.timeline-item{position:relative;padding:0 0 26px 8px;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-item::before{
  content:"";position:absolute;left:-26px;top:7px;width:16px;height:16px;border-radius:50%;
  background:#ffffff;border:3px solid #6b5df5;box-shadow:0 0 0 4px rgba(107,93,245,.12);
}
.timeline-item h3{font-size:16px;margin-bottom:6px;}
.timeline-item p{font-size:14.2px;color:#4a5175;}

/* 案例 */
.case-card{
  margin:0;padding:14px;border-radius:18px;background:#ffffff;
  border:1px solid rgba(96,116,190,.16);
  box-shadow:0 6px 18px rgba(44,54,110,.06);
  transition:transform .3s ease,box-shadow .3s ease;
}
.case-card:hover{transform:translateY(-4px);box-shadow:0 18px 34px rgba(44,54,110,.13);}
.case-media{
  width:100%;aspect-ratio:16/10;border-radius:13px;overflow:hidden;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(146,186,255,.2),rgba(230,168,255,.18));
}
.case-media img{width:100%;height:100%;object-fit:contain;display:block;}
.case-card figcaption{padding:13px 6px 4px;font-size:14.5px;font-weight:600;color:#1c2140;display:flex;align-items:center;justify-content:space-between;gap:10px;}
.case-card figcaption span{font-size:12.5px;font-weight:500;color:#3f37b8;background:rgba(150,180,255,.18);border:1px solid rgba(120,140,220,.24);padding:2px 10px;border-radius:999px;white-space:nowrap;}

/* 对比评测 */
.compare-wrap{display:grid;grid-template-columns:.62fr 1.38fr;gap:24px;align-items:start;}
.score-panel{
  padding:28px 24px;border-radius:20px;text-align:center;
  background:linear-gradient(160deg,rgba(255,255,255,.97),rgba(240,244,255,.92));
  border:1px solid rgba(96,116,190,.22);
  box-shadow:0 16px 36px rgba(50,60,130,.1);
}
.score-num{font-size:46px;font-weight:800;line-height:1.1;letter-spacing:-1px;color:#4a3fd0;}
.score-num span{font-size:16px;font-weight:600;color:#5b6280;margin-left:4px;letter-spacing:0;}
.score-stars{font-size:22px;letter-spacing:4px;color:#f5a623;margin:10px 0 4px;}
.score-note{font-size:13.8px;color:#4a5175;margin-top:10px;}
.table-wrap{
  width:100%;overflow-x:auto;border-radius:16px;background:#ffffff;
  border:1px solid rgba(96,116,190,.18);
  box-shadow:0 10px 26px rgba(44,54,110,.07);
}
table{width:100%;border-collapse:collapse;min-width:620px;font-size:14.2px;}
thead th{
  padding:14px 16px;text-align:left;font-weight:700;color:#20264a;
  background:linear-gradient(120deg,rgba(150,190,255,.24),rgba(214,168,255,.22),rgba(160,238,236,.22));
  border-bottom:1px solid rgba(96,116,190,.2);
  white-space:nowrap;
}
tbody td{padding:13px 16px;color:#3a4166;border-bottom:1px solid rgba(96,116,190,.12);vertical-align:top;}
tbody tr:last-child td{border-bottom:none;}
tbody tr:hover td{background:rgba(150,180,255,.08);}
td.highlight{color:#2a2f8f;font-weight:600;}

/* 价格 */
.notice{
  margin-top:16px;padding:16px 20px;border-radius:14px;font-size:14px;color:#4a5175;
  background:rgba(255,255,255,.9);border:1px dashed rgba(96,116,190,.36);
}

/* 表单 */
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:26px;align-items:start;}
.contact-info{
  padding:28px 24px;border-radius:20px;
  background:linear-gradient(160deg,rgba(255,255,255,.97),rgba(242,246,255,.92));
  border:1px solid rgba(96,116,190,.2);
  box-shadow:0 14px 32px rgba(50,60,130,.09);
}
.contact-info h3{font-size:17px;margin-bottom:14px;}
.contact-list{list-style:none;margin:0;padding:0;display:grid;gap:12px;}
.contact-list li{font-size:14.2px;color:#3a4166;line-height:1.7;}
.contact-list li strong{color:#12162b;font-weight:600;}
.qr-box{margin-top:20px;text-align:center;}
.qr-box img{display:block;width:100%;max-width:190px;height:auto;margin:0 auto;border-radius:12px;border:1px solid rgba(96,116,190,.2);background:#fff;}
.qr-box p{margin-top:10px;font-size:13px;color:#5b6280;}
.contact-form{
  padding:28px 24px;border-radius:20px;background:#ffffff;
  border:1px solid rgba(96,116,190,.18);
  box-shadow:0 14px 32px rgba(50,60,130,.08);
  display:grid;grid-template-columns:repeat(2,1fr);gap:16px;
}
.field{display:flex;flex-direction:column;gap:7px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:13.5px;font-weight:600;color:#2c3255;}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;font-size:14.5px;font-family:inherit;color:#12162b;
  border:1px solid rgba(96,116,190,.28);border-radius:11px;background:#fbfcff;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{resize:vertical;min-height:108px;}
.field input::placeholder,.field textarea::placeholder{color:#98a0bd;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:#7b6cf0;background:#ffffff;
  box-shadow:0 0 0 4px rgba(107,93,245,.12);
}
.form-actions{grid-column:1 / -1;display:flex;align-items:center;gap:14px;flex-wrap:wrap;}
.form-tip{font-size:13px;color:#6a7193;}

/* 帮助中心 */
.help-card{padding:22px 20px;}

/* FAQ */
.faq-list{display:grid;gap:12px;}
.faq-item{
  border-radius:14px;background:#ffffff;border:1px solid rgba(96,116,190,.16);
  box-shadow:0 4px 14px rgba(44,54,110,.05);
  overflow:hidden;transition:box-shadow .3s ease,border-color .3s ease;
}
.faq-item.open{border-color:rgba(120,140,220,.44);box-shadow:0 14px 30px rgba(44,54,110,.11);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 20px;font-size:15px;font-weight:600;color:#1c2140;text-align:left;
  background:transparent;border:none;cursor:pointer;font-family:inherit;line-height:1.6;
  transition:color .2s ease;
}
.faq-q:hover{color:#4238c8;}
.faq-q::after{
  content:"+";flex-shrink:0;width:24px;height:24px;line-height:22px;text-align:center;
  border-radius:50%;font-size:16px;font-weight:600;color:#4a3fd0;
  background:rgba(150,180,255,.2);border:1px solid rgba(120,140,220,.28);
  transition:transform .3s ease,background .3s ease;
}
.faq-item.open .faq-q::after{content:"−";transform:rotate(180deg);background:linear-gradient(135deg,#6b5df5,#25b6cf);color:#ffffff;border-color:transparent;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;}
.faq-item.open .faq-a{max-height:420px;}
.faq-a p{padding:0 20px 18px;font-size:14.2px;color:#4a5175;}

/* 文章 */
.article-list{display:grid;gap:12px;}
.article-item{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 20px;border-radius:14px;background:#ffffff;text-decoration:none;
  border:1px solid rgba(96,116,190,.16);
  box-shadow:0 4px 14px rgba(44,54,110,.05);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.article-item:hover{transform:translateX(4px);box-shadow:0 12px 26px rgba(44,54,110,.11);border-color:rgba(120,140,220,.4);}
.article-item span.art-title{font-size:14.8px;color:#1c2140;font-weight:600;}
.article-item span.art-more{font-size:13px;color:#4a3fd0;white-space:nowrap;}

/* 评论 */
.review-card{padding:24px 22px;display:flex;flex-direction:column;gap:14px;}
.review-top{display:flex;align-items:center;gap:12px;}
.avatar{
  width:44px;height:44px;border-radius:50%;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:700;color:#ffffff;
  background:linear-gradient(135deg,#6b5df5,#25b6cf);
  box-shadow:0 8px 16px rgba(90,80,235,.22);
}
.review-name{font-size:14.8px;font-weight:700;color:#12162b;line-height:1.4;}
.review-role{font-size:12.8px;color:#6a7193;}
.review-card p{font-size:14.2px;color:#414a72;}
.review-stars{font-size:14px;letter-spacing:2px;color:#f5a623;}

/* 加盟 */
.join-band{
  position:relative;overflow:hidden;
  padding:38px 34px;border-radius:22px;
  background:linear-gradient(125deg,rgba(255,255,255,.97),rgba(238,243,255,.93));
  border:1px solid rgba(96,116,190,.22);
  box-shadow:0 18px 40px rgba(50,60,130,.1);
}
.join-band::before{
  content:"";position:absolute;right:-60px;bottom:-80px;width:260px;height:260px;border-radius:50%;
  background:conic-gradient(from 90deg,#8fd4ff,#c6b0ff,#ffc2e4,#a9f2e2,#8fd4ff);
  filter:blur(38px);opacity:.42;
}
.join-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;}
.join-text{max-width:640px;}
.join-text h2{font-size:clamp(20px,2.6vw,26px);margin-bottom:10px;}
.join-text p{font-size:14.6px;color:#414a72;}

/* 浮窗 */
.float-tools{position:fixed;right:18px;bottom:22px;z-index:80;display:flex;flex-direction:column;gap:10px;}
.float-btn{
  width:50px;height:50px;border-radius:50%;border:1px solid rgba(96,116,190,.24);
  background:#ffffff;color:#2a2f52;font-size:13px;font-weight:600;
  display:flex;align-items:center;justify-content:center;text-decoration:none;cursor:pointer;
  box-shadow:0 10px 24px rgba(44,54,110,.16);
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease;
  font-family:inherit;
}
.float-btn:hover{transform:translateY(-3px);box-shadow:0 16px 30px rgba(44,54,110,.22);}
.float-btn.top-btn{opacity:0;pointer-events:none;font-size:18px;}
.float-btn.top-btn.show{opacity:1;pointer-events:auto;}

/* 页脚 */
.site-footer{
  margin-top:0;padding:44px 0 22px;
  background:#ffffff;border-top:1px solid rgba(96,116,190,.18);
  color:#3a4166;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:28px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:12px;}
.footer-brand span{font-size:17px;font-weight:700;color:#12162b;}
.footer-col p{font-size:14px;color:#4a5175;}
.footer-col h3{font-size:15px;margin-bottom:12px;color:#12162b;}
.footer-links{list-style:none;margin:0;padding:0;display:grid;gap:9px;}
.footer-links a{font-size:14px;color:#3a4166;text-decoration:none;transition:color .2s ease;}
.footer-links a:hover{color:#4238c8;}
.footer-contact{list-style:none;margin:0;padding:0;display:grid;gap:9px;}
.footer-contact li{font-size:14px;color:#3a4166;}
.footer-bottom{
  margin-top:30px;padding-top:18px;border-top:1px solid rgba(96,116,190,.16);
  font-size:13px;color:#5b6280;text-align:center;
}

/* 进入动画 */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s cubic-bezier(.2,.7,.3,1),transform .7s cubic-bezier(.2,.7,.3,1);}
.reveal.in{opacity:1;transform:none;}

/* 响应式 */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .compare-wrap{grid-template-columns:1fr;}
  .contact-grid{grid-template-columns:1fr;}
  .network-grid{grid-template-columns:1fr;}
  .metrics-grid{grid-template-columns:repeat(2,1fr);}
  .flow-grid{grid-template-columns:repeat(2,1fr);}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:980px){
  .nav-toggle{display:flex;}
  .nav-links{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;flex-wrap:nowrap;
    padding:10px 22px 20px;background:#ffffff;
    border-bottom:1px solid rgba(96,116,190,.18);
    box-shadow:0 22px 36px rgba(30,36,80,.12);
    display:none;
  }
  .nav-links.open{display:flex;}
  .nav-links a{padding:13px 4px;border-bottom:1px dashed rgba(96,116,190,.14);border-radius:0;}
  .nav-links a:last-child{border-bottom:none;}
  .nav-links .nav-cta{margin:14px 0 0;padding:12px 20px;text-align:center;border-radius:11px;border-bottom:none;}
}
@media (max-width:880px){
  .grid-3{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:760px){
  .section{padding:52px 0;}
  .hero{padding:36px 0 16px;}
  .contact-form{grid-template-columns:1fr;padding:22px 18px;}
  .footer-grid{grid-template-columns:1fr;gap:22px;}
  .join-band{padding:28px 22px;}
  .score-panel{padding:22px 18px;}
}
@media (max-width:620px){
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .flow-grid{grid-template-columns:1fr;}
  .metrics-grid{grid-template-columns:repeat(2,1fr);}
  .hero-actions .btn{width:100%;}
  .brand-name{font-size:15.5px;}
  .float-tools{right:12px;bottom:16px;}
  .float-btn{width:46px;height:46px;font-size:12px;}
  .article-item{flex-direction:column;align-items:flex-start;gap:6px;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;transition:none;}
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;}
}

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