*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",system-ui,-apple-system,sans-serif;
  color:#1b1f2a;
  font-size:16px;
  line-height:1.7;
  background-color:#fffdfa;
  background-image:
    radial-gradient(circle at 8% 4%,rgba(255,160,122,.30),transparent 42%),
    radial-gradient(circle at 92% 2%,rgba(140,132,255,.28),transparent 44%),
    radial-gradient(circle at 84% 96%,rgba(96,214,196,.26),transparent 44%),
    radial-gradient(circle at 10% 84%,rgba(255,205,110,.24),transparent 42%);
  background-attachment:fixed;
  background-repeat:no-repeat;
}
img{max-width:100%;}
a{color:#4b3ff0;}
h1,h2,h3,h4{margin:0;color:#161a26;line-height:1.35;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px;}
section{padding:60px 0;scroll-margin-top:88px;}
.section-head{max-width:780px;margin:0 0 34px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
h2{font-size:clamp(23px,3.1vw,33px);margin:16px 0 12px;letter-spacing:-.01em;}
.section-sub{color:#545a6b;font-size:15.5px;}
.eyebrow{display:inline-flex;align-items:center;font-size:13px;font-weight:600;letter-spacing:.06em;padding:5px 14px;border-radius:999px;background:#f0edff;color:#4b3ff0;border:1px solid rgba(75,63,240,.16);}
.eyebrow.coral{background:#fff0eb;color:#c2410c;border-color:rgba(255,122,89,.3);}
.eyebrow.teal{background:#e6faf7;color:#0f766e;border-color:rgba(15,185,166,.3);}
.eyebrow.amber{background:#fff7e6;color:#a16207;border-color:rgba(245,165,36,.32);}

/* 顶部导航 */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,253,250,.9);backdrop-filter:blur(12px);border-bottom:1px solid rgba(75,63,240,.12);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:72px;position:relative;}
.brand{display:flex;align-items:center;flex-shrink:0;text-decoration:none;}
.ai-page-logo{display:block;width:120px;max-height:40px;object-fit:contain;}
.nav-toggle{display:none;width:44px;height:40px;border-radius:12px;border:1px solid #ddd8ee;background:#fff;color:#2b2f45;font-size:18px;cursor:pointer;align-items:center;justify-content:center;font-family:inherit;}
.site-nav{display:flex;align-items:center;gap:18px;}
.nav-links{display:flex;align-items:center;flex-wrap:wrap;gap:0;margin:0;padding:0;list-style:none;}
.nav-links a{display:block;padding:9px 13px;font-size:15px;color:#3b3f4d;text-decoration:none;border-radius:10px;white-space:nowrap;transition:background .2s,color .2s;}
.nav-links a:hover{background:rgba(75,63,240,.08);color:#4b3ff0;}
.nav-cta{display:inline-flex;align-items:center;justify-content:center;padding:10px 20px;border-radius:999px;background:linear-gradient(120deg,#4b3ff0,#8b5cf6 55%,#ff7a59);color:#fff;font-size:14.5px;font-weight:600;text-decoration:none;white-space:nowrap;box-shadow:0 8px 18px rgba(75,63,240,.26);transition:transform .2s,box-shadow .25s;}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 12px 24px rgba(75,63,240,.34);}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 28px;border-radius:999px;font-size:15.5px;font-weight:600;text-decoration:none;border:1px solid transparent;cursor:pointer;font-family:inherit;transition:transform .2s ease,box-shadow .25s ease,border-color .2s,color .2s;}
.btn-primary{background:linear-gradient(120deg,#4b3ff0,#8b5cf6 52%,#ff7a59);color:#fff;box-shadow:0 10px 24px rgba(75,63,240,.28);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(75,63,240,.36);}
.btn-ghost{background:#fff;color:#2b2f45;border-color:#ddd8ee;box-shadow:0 4px 14px rgba(40,32,86,.06);}
.btn-ghost:hover{transform:translateY(-2px);border-color:#b9b0ea;color:#4b3ff0;}

/* 首屏 */
.hero{position:relative;overflow:hidden;padding:76px 0 52px;}
.hero::before,.hero::after{content:"";position:absolute;border-radius:50%;pointer-events:none;z-index:0;}
.hero::before{width:520px;height:520px;left:-180px;top:-240px;background:radial-gradient(circle,rgba(255,122,89,.32),rgba(255,122,89,0) 70%);animation:floatA 15s ease-in-out infinite;}
.hero::after{width:560px;height:560px;right:-200px;top:-200px;background:radial-gradient(circle,rgba(120,110,255,.32),rgba(120,110,255,0) 70%);animation:floatA 18s ease-in-out infinite reverse;}
@keyframes floatA{0%,100%{transform:translate3d(0,0,0);}50%{transform:translate3d(24px,30px,0);}}
.hero-inner{position:relative;z-index:1;}
.hero h1{font-size:clamp(29px,4.6vw,50px);letter-spacing:-.02em;margin:18px 0 16px;max-width:15em;}
.hero-lead{max-width:660px;color:#464c5d;font-size:16.5px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:44px;}
.hero-stats li{background:rgba(255,255,255,.82);border:1px solid rgba(75,63,240,.14);border-radius:16px;padding:18px 16px;box-shadow:0 8px 22px rgba(40,32,86,.06);position:relative;overflow:hidden;}
.hero-stats li::before{content:"";position:absolute;left:0;top:0;width:100%;height:3px;background:linear-gradient(90deg,#4b3ff0,#8b5cf6,#ff7a59);}
.hero-stats strong{display:block;font-size:25px;font-weight:800;color:#3a2fbf;letter-spacing:-.01em;}
.hero-stats span{display:block;font-size:13.5px;color:#5b6070;margin-top:2px;}

/* 卡片与网格 */
.card{background:#fff;border:1px solid #ece9f5;border-radius:18px;padding:24px;box-shadow:0 4px 16px rgba(40,32,86,.05);transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;}
.card:hover{transform:translateY(-4px);box-shadow:0 16px 34px rgba(40,32,86,.12);border-color:rgba(75,63,240,.22);}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;align-items:stretch;}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;align-items:stretch;}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;align-items:stretch;}
.card h3{font-size:17.5px;margin-bottom:8px;}
.card p{color:#545a6b;font-size:14.8px;}
.cap-mark{display:block;width:30px;height:6px;border-radius:999px;margin-bottom:14px;background:linear-gradient(90deg,var(--c1,#4b3ff0),var(--c2,#8b5cf6));}

/* 关于我们 */
.about-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:34px;align-items:start;margin-bottom:34px;}
.about-copy p{color:#484e5f;font-size:15.6px;margin-top:12px;}
.about-points{margin-top:20px;display:grid;gap:10px;}
.about-points li{position:relative;padding-left:22px;color:#333948;font-size:15px;}
.about-points li::before{content:"";position:absolute;left:0;top:9px;width:9px;height:9px;border-radius:50%;background:linear-gradient(120deg,#4b3ff0,#ff7a59);}
.about-media{margin:0;background:#fff;border:1px solid #ece9f5;border-radius:20px;padding:14px;box-shadow:0 12px 30px rgba(40,32,86,.08);}
.about-media img{border-radius:12px;display:block;width:100%;height:auto;}

/* 服务能力 */
.svc-card{display:flex;flex-direction:column;}
.svc-card h3{font-size:17px;}
.svc-card p{font-size:14.6px;}

/* 流程 */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin-bottom:34px;}
.step{position:relative;background:#fff;border:1px solid #ece9f5;border-radius:18px;padding:24px 20px 22px;box-shadow:0 4px 16px rgba(40,32,86,.05);transition:transform .28s,box-shadow .28s;}
.step:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(40,32,86,.1);}
.step-no{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:12px;font-size:14px;font-weight:800;color:#fff;background:linear-gradient(135deg,#4b3ff0,#8b5cf6);margin-bottom:14px;}
.step h3{font-size:16.5px;margin-bottom:6px;}
.step p{color:#545a6b;font-size:14.4px;}
.tag-panel{background:rgba(255,255,255,.86);border:1px solid #ece9f5;border-radius:20px;padding:26px;box-shadow:0 8px 24px rgba(40,32,86,.06);}
.tag-panel h3{font-size:16.5px;margin-bottom:6px;}
.tag-panel p{color:#5b6070;font-size:14.5px;margin-bottom:16px;}
.model-tags{display:flex;flex-wrap:wrap;gap:9px;}
.model-tags span{display:inline-block;padding:6px 14px;border-radius:999px;background:#f7f5ff;border:1px solid rgba(75,63,240,.16);color:#3f3a70;font-size:13.5px;transition:background .2s,color .2s,transform .2s;}
.model-tags span:hover{background:#4b3ff0;color:#fff;transform:translateY(-2px);}

/* 行业方案 */
.sol-card{border-top:3px solid transparent;border-image:linear-gradient(90deg,#4b3ff0,#8b5cf6,#ff7a59) 1;}
.sol-card{border-image:none;border-top:3px solid #4b3ff0;}
.sol-card:nth-child(2){border-top-color:#8b5cf6;}
.sol-card:nth-child(3){border-top-color:#ff7a59;}
.sol-card:nth-child(4){border-top-color:#0fb9a6;}
.sol-card:nth-child(5){border-top-color:#f5a524;}
.sol-card:nth-child(6){border-top-color:#3a2fbf;}

/* 服务网络 */
.network{display:grid;grid-template-columns:.9fr 1.1fr;gap:30px;align-items:start;background:rgba(255,255,255,.88);border:1px solid #ece9f5;border-radius:22px;padding:30px;box-shadow:0 10px 28px rgba(40,32,86,.07);}
.network-copy h3{font-size:20px;margin:14px 0 10px;}
.network-copy p{color:#4b5162;font-size:15px;}
.network-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;}
.network-list li{background:#faf9ff;border:1px solid #eeeaf9;border-radius:14px;padding:16px;}
.network-list strong{display:block;font-size:15px;color:#2b2f45;margin-bottom:4px;}
.network-list span{font-size:13.8px;color:#5b6070;}

/* 案例 */
.case-card{padding:16px;display:flex;flex-direction:column;}
.case-media{aspect-ratio:16/10;background:#f4f2fb;border-radius:14px;overflow:hidden;display:flex;align-items:center;justify-content:center;margin-bottom:16px;}
.case-media img{width:100%;height:100%;object-fit:contain;display:block;}
.case-body{padding:0 4px 6px;}
.case-tag{display:inline-block;font-size:12.5px;font-weight:600;color:#4b3ff0;background:#f0edff;border-radius:999px;padding:3px 11px;margin-bottom:10px;}
.case-body h3{font-size:17px;margin-bottom:8px;}
.case-body p{font-size:14.6px;color:#545a6b;}

/* 对比评测 */
.review-top{display:grid;grid-template-columns:.85fr 1.15fr;gap:22px;align-items:stretch;margin-bottom:26px;}
.score-card{background:linear-gradient(150deg,#fff4ec,#f2efff 65%,#e9fbf7);border:1px solid rgba(75,63,240,.16);border-radius:20px;padding:28px;box-shadow:0 12px 30px rgba(40,32,86,.08);}
.score-stars{color:#f5a524;font-size:22px;letter-spacing:3px;margin-bottom:8px;}
.score-num{font-size:46px;font-weight:800;color:#231d5e;line-height:1.1;letter-spacing:-.02em;}
.score-num span{font-size:16px;font-weight:600;color:#5b6070;margin-left:6px;}
.score-label{font-size:14.5px;font-weight:700;color:#3a2fbf;margin-top:6px;}
.score-text{color:#4b5162;font-size:14.6px;margin-top:12px;}
.review-points{background:#fff;border:1px solid #ece9f5;border-radius:20px;padding:26px;box-shadow:0 4px 16px rgba(40,32,86,.05);}
.review-points h3{font-size:18px;margin-bottom:14px;}
.review-points ul{display:grid;gap:10px;}
.review-points li{position:relative;padding-left:24px;font-size:14.8px;color:#3c4253;}
.review-points li::before{content:"";position:absolute;left:0;top:8px;width:12px;height:7px;border-left:2px solid #0fb9a6;border-bottom:2px solid #0fb9a6;transform:rotate(-45deg);}
.table-wrap{width:100%;overflow-x:auto;border-radius:18px;border:1px solid #ece9f5;background:#fff;box-shadow:0 6px 20px rgba(40,32,86,.06);}
table{width:100%;border-collapse:collapse;min-width:760px;font-size:14.5px;}
th,td{padding:14px 16px;text-align:left;border-bottom:1px solid #f2eff9;vertical-align:top;}
thead th{background:#f7f5ff;color:#2b2f45;font-weight:700;white-space:nowrap;}
thead th.hl{background:#eae5ff;color:#3a2fbf;}
tbody tr:last-child td{border-bottom:none;}
tbody tr:hover{background:#fbfaff;}
td.hl{background:#fbf9ff;color:#231d5e;font-weight:600;}

/* Token 比价 */
.price-notes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:22px;}
.price-note{background:#fff;border:1px solid #ece9f5;border-radius:16px;padding:20px;box-shadow:0 4px 16px rgba(40,32,86,.05);}
.price-note h3{font-size:16px;margin-bottom:6px;}
.price-note p{font-size:14.4px;color:#545a6b;}

/* 用户评价 */
.review-card{display:flex;flex-direction:column;gap:14px;}
.review-user{display:flex;align-items:center;gap:12px;}
.avatar{flex:0 0 auto;width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;color:#fff;background:linear-gradient(135deg,#4b3ff0,#8b5cf6);}
.review-card:nth-child(2) .avatar{background:linear-gradient(135deg,#ff7a59,#f5a524);}
.review-card:nth-child(3) .avatar{background:linear-gradient(135deg,#0fb9a6,#4b3ff0);}
.review-card:nth-child(4) .avatar{background:linear-gradient(135deg,#8b5cf6,#ff7a59);}
.review-card:nth-child(5) .avatar{background:linear-gradient(135deg,#f5a524,#0fb9a6);}
.review-card:nth-child(6) .avatar{background:linear-gradient(135deg,#3a2fbf,#8b5cf6);}
.review-name{font-size:15px;font-weight:700;color:#1b1f2a;}
.review-role{font-size:13px;color:#6b7280;}
.review-text{font-size:14.7px;color:#4b5162;}

/* 百科 */
.wiki-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;}
.wiki-item{background:rgba(255,255,255,.88);border:1px solid #ece9f5;border-radius:16px;padding:18px;transition:transform .25s,box-shadow .25s;}
.wiki-item:hover{transform:translateY(-3px);box-shadow:0 12px 26px rgba(40,32,86,.1);}
.wiki-item h3{font-size:15.5px;margin-bottom:6px;color:#3a2fbf;}
.wiki-item p{font-size:14px;color:#545a6b;}

/* 文章 */
.article-list{display:grid;gap:12px;}
.article-item{display:flex;align-items:center;justify-content:space-between;gap:16px;background:#fff;border:1px solid #ece9f5;border-radius:16px;padding:16px 20px;text-decoration:none;color:#1b1f2a;box-shadow:0 4px 14px rgba(40,32,86,.05);transition:transform .22s,box-shadow .22s,border-color .22s;}
.article-item:hover{transform:translateX(4px);box-shadow:0 10px 24px rgba(40,32,86,.1);border-color:rgba(75,63,240,.24);}
.article-title{font-size:15.4px;font-weight:600;}
.article-meta{font-size:13px;color:#6b7280;white-space:nowrap;}

/* FAQ */
.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;align-items:start;}
.faq-item{background:#fff;border:1px solid #ece9f5;border-radius:16px;padding:2px 20px;box-shadow:0 4px 16px rgba(40,32,86,.05);transition:border-color .25s,box-shadow .25s;}
.faq-item[open]{border-color:rgba(75,63,240,.28);box-shadow:0 12px 28px rgba(40,32,86,.1);}
.faq-item summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:12px;padding:16px 0;font-weight:600;font-size:15.4px;color:#1b1f2a;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";font-size:20px;color:#4b3ff0;line-height:1;transition:transform .25s;}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item p{margin:0 0 16px;color:#545a6b;font-size:14.6px;}

/* 联系我们 */
.contact-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:start;}
.contact-form{background:#fff;border:1px solid #ece9f5;border-radius:20px;padding:28px;box-shadow:0 10px 28px rgba(40,32,86,.07);}
.field-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:600;color:#2b2f45;margin-bottom:6px;}
.field input,.field select,.field textarea{width:100%;padding:11px 14px;border:1px solid #ddd8ee;border-radius:12px;font-size:14.5px;font-family:inherit;color:#1b1f2a;background:#fff;transition:border-color .2s,box-shadow .2s;}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:#8b7cf6;box-shadow:0 0 0 3px rgba(139,124,246,.16);}
.field textarea{resize:vertical;}
.form-submit{width:100%;margin-top:4px;}
.form-tip{font-size:13px;color:#6b7280;margin-top:12px;}
.contact-info{display:grid;gap:16px;}
.info-card{background:#fff;border:1px solid #ece9f5;border-radius:20px;padding:24px;box-shadow:0 6px 20px rgba(40,32,86,.06);}
.info-card h3{font-size:17px;margin-bottom:14px;}
.qr-box{text-align:center;}
.qr-box img{width:150px;max-width:100%;height:auto;border-radius:12px;display:block;margin:0 auto 10px;}
.qr-box span{font-size:13.5px;color:#5b6070;}
.info-list{display:grid;gap:10px;}
.info-list li{display:flex;justify-content:space-between;gap:12px;font-size:14.6px;color:#3c4253;padding-bottom:10px;border-bottom:1px dashed #eeeaf9;}
.info-list li:last-child{border-bottom:none;padding-bottom:0;}
.info-list b{font-weight:600;color:#6b7280;flex:0 0 auto;}
.info-list a{color:#3a2fbf;text-decoration:none;}
.info-list a:hover{text-decoration:underline;}
.agent-box{background:linear-gradient(140deg,#fff4ec,#f2efff);border:1px solid rgba(75,63,240,.16);border-radius:20px;padding:24px;}
.agent-box h3{font-size:17px;margin-bottom:8px;}
.agent-box p{font-size:14.6px;color:#4b5162;}

/* 页脚 */
.site-footer{background:linear-gradient(135deg,#1d1a33,#2b2550);color:#e9e6ff;padding:46px 0 22px;margin-top:0;}
.footer-top{display:grid;grid-template-columns:1.05fr 1.95fr;gap:36px;padding-bottom:26px;border-bottom:1px solid rgba(255,255,255,.14);}
.footer-name{font-size:19px;font-weight:800;color:#ffffff;margin-bottom:10px;}
.footer-desc{font-size:14.4px;color:#c9c4ec;max-width:360px;}
.footer-contact{font-size:14px;color:#b9b2f5;margin-top:12px;}
.footer-links-title{font-size:15px;font-weight:700;color:#ffffff;margin-bottom:12px;}
.footer-links ul{display:flex;flex-wrap:wrap;gap:8px 6px;}
.footer-links a{display:inline-block;padding:5px 12px;border-radius:999px;background:rgba(255,255,255,.08);color:#d6d1ff;font-size:13.5px;text-decoration:none;transition:background .2s,color .2s;}
.footer-links a:hover{background:rgba(255,255,255,.2);color:#ffffff;}
.footer-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;padding-top:18px;font-size:13.5px;color:#a9a3d6;}
.footer-bottom a{color:#cfcaff;text-decoration:none;}
.footer-bottom a:hover{color:#ffffff;text-decoration:underline;}

/* 浮动客服 */
.float-dock{position:fixed;right:18px;bottom:22px;z-index:80;display:flex;flex-direction:column;gap:10px;}
.dock-btn{width:52px;height:52px;border-radius:16px;border:1px solid rgba(75,63,240,.16);background:#fff;color:#3a2fbf;font-size:13px;font-weight:700;cursor:pointer;box-shadow:0 10px 24px rgba(40,32,86,.16);display:flex;align-items:center;justify-content:center;transition:transform .2s,box-shadow .2s;font-family:inherit;}
.dock-btn:hover{transform:translateY(-3px);box-shadow:0 14px 28px rgba(40,32,86,.24);}
#backTop{opacity:0;pointer-events:none;transform:translateY(10px);transition:opacity .25s ease,transform .25s ease;}
#backTop.show{opacity:1;pointer-events:auto;transform:translateY(0);}
.kf-panel{position:fixed;right:18px;bottom:88px;width:236px;background:#fff;border:1px solid #ece9f5;border-radius:18px;padding:16px;box-shadow:0 18px 40px rgba(40,32,86,.2);z-index:79;opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .25s,transform .25s,visibility .25s;}
.kf-panel.show{opacity:1;visibility:visible;transform:translateY(0);}
.kf-title{font-size:14.5px;font-weight:700;color:#1b1f2a;margin-bottom:10px;text-align:center;}
.kf-qr{width:100%;max-width:170px;height:auto;display:block;margin:0 auto 10px;border-radius:10px;}
.kf-meta{font-size:13px;color:#5b6070;text-align:center;line-height:1.9;}

/* 滚动渐入 */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .6s ease,transform .6s ease;}
.reveal.is-visible{opacity:1;transform:none;}

@media (prefers-reduced-motion: reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  .hero::before,.hero::after{animation:none;}
  html{scroll-behavior:auto;}
}

/* 响应式 */
@media (max-width:1000px){
  .nav-toggle{display:inline-flex;}
  .site-nav{display:none;position:absolute;top:100%;left:-20px;right:-20px;background:#fffdfa;border-bottom:1px solid #ece9f5;box-shadow:0 18px 34px rgba(40,32,86,.14);padding:8px 20px 18px;flex-direction:column;align-items:stretch;gap:12px;}
  .site-nav.open{display:flex;}
  .nav-links{flex-direction:column;align-items:stretch;gap:0;}
  .nav-links a{padding:12px 6px;border-bottom:1px solid #f1eef9;border-radius:0;}
  .nav-cta{width:100%;padding:12px 20px;}
  .about-grid,.network,.review-top,.contact-grid{grid-template-columns:1fr;}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .wiki-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-top{grid-template-columns:1fr;gap:24px;}
}
@media (max-width:768px){
  body{background-attachment:scroll;}
  section{padding:48px 0;}
  .hero{padding:52px 0 40px;}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));}
  .grid-2,.grid-3,.grid-4,.faq-grid,.price-notes,.steps,.wiki-grid,.network-list,.field-row{grid-template-columns:1fr;}
  .article-item{flex-direction:column;align-items:flex-start;gap:6px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .float-dock{right:12px;bottom:16px;}
  .kf-panel{right:12px;bottom:80px;}
}