:root{
  --bg:#f4f6ff;
  --card:#ffffff;
  --ink:#141a33;
  --ink2:#4b5473;
  --line:#e2e7f7;
  --cyan:#00c2ff;
  --violet:#7a5cff;
  --pink:#ff4fd8;
  --radius:18px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:84px;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  font-size:16px;
  line-height:1.7;
  color:var(--ink);
  background-color:#f4f6ff;
  background-image:
    radial-gradient(1100px 700px at 8% -8%, rgba(0,194,255,.16), transparent 60%),
    radial-gradient(1000px 700px at 96% 4%, rgba(255,79,216,.12), transparent 60%),
    radial-gradient(1200px 900px at 50% 52%, rgba(122,92,255,.09), transparent 62%),
    radial-gradient(1000px 800px at 40% 100%, rgba(0,194,255,.10), transparent 62%);
  background-repeat:no-repeat;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.35;letter-spacing:-.2px;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 22px;}
.section{padding:64px 0;position:relative;}
.section-head{max-width:820px;margin:0 auto 36px;text-align:center;}
.eyebrow{
  display:inline-block;margin-bottom:14px;padding:5px 15px;border-radius:999px;
  font-size:13px;font-weight:700;letter-spacing:1px;color:#5b45e0;
  background:rgba(122,92,255,.09);border:1px solid rgba(122,92,255,.18);
}
.section-head h2{font-size:clamp(23px,3.2vw,33px);font-weight:800;color:var(--ink);}
.section-desc{margin-top:12px;color:var(--ink2);font-size:15.5px;}
.sub-title{font-size:17px;font-weight:800;color:var(--ink);margin-bottom:14px;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;border-radius:999px;font-size:15px;font-weight:700;
  text-decoration:none;border:1px solid transparent;cursor:pointer;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease;
  font-family:inherit;
}
.btn-primary{
  color:#fff;background:linear-gradient(120deg,#00b8ff,#7a5cff 55%,#ff4fd8);
  box-shadow:0 12px 26px rgba(122,92,255,.30);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(122,92,255,.42);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{color:var(--ink);background:#fff;border-color:#d7deff;}
.btn-ghost:hover{transform:translateY(-2px);border-color:#a9b7ff;box-shadow:0 10px 24px rgba(80,96,180,.14);}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav{position:relative;display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:66px;}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0;}
.ai-page-logo{width:34px;display:block;}
.brand-name{font-size:17px;font-weight:800;letter-spacing:.4px;color:var(--ink);white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:0;margin-left:auto;}
.nav-links a{
  display:block;padding:9px 10px;font-size:14.5px;font-weight:600;color:#3d4463;
  text-decoration:none;border-radius:10px;white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-links a:hover{color:#5b45e0;background:rgba(122,92,255,.08);}
.nav-toggle{
  display:none;width:42px;height:42px;padding:0;border:1px solid var(--line);background:#fff;
  border-radius:12px;flex-direction:column;justify-content:center;align-items:center;gap:5px;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#2a2f52;border-radius:2px;transition:transform .25s ease,opacity .25s ease;}

/* 首屏 */
.hero{position:relative;overflow:hidden;padding:76px 0 70px;}
.hero::before,.hero::after{
  content:"";position:absolute;border-radius:50%;filter:blur(72px);opacity:.55;
  pointer-events:none;z-index:0;
}
.hero::before{width:340px;height:340px;top:-130px;left:-90px;background:radial-gradient(circle,#7ce0ff,transparent 70%);animation:floatY 12s ease-in-out infinite;}
.hero::after{width:380px;height:380px;bottom:-170px;right:-100px;background:radial-gradient(circle,#ffa8ef,transparent 70%);animation:floatY 15s ease-in-out infinite reverse;}
@keyframes floatY{0%,100%{transform:translateY(0);}50%{transform:translateY(26px);}}
.hero-inner{position:relative;z-index:2;text-align:center;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;padding:7px 18px;border-radius:999px;
  font-size:13.5px;font-weight:700;color:#4a3fd0;
  background:rgba(255,255,255,.78);border:1px solid rgba(122,92,255,.26);
  box-shadow:0 6px 18px rgba(122,92,255,.12);
}
.hero-tag i{display:inline-block;width:7px;height:7px;border-radius:50%;background:linear-gradient(120deg,#00c2ff,#ff4fd8);animation:pulseDot 2.4s ease-in-out infinite;}
@keyframes pulseDot{0%,100%{transform:scale(1);opacity:1;}50%{transform:scale(1.5);opacity:.6;}}
.hero h1{
  margin:22px auto 18px;max-width:900px;
  font-size:clamp(28px,5vw,50px);font-weight:900;color:var(--ink);letter-spacing:-1px;
}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(100deg,#00a8ff,#7a5cff 50%,#ff4fd8);
  -webkit-background-clip:text;background-clip:text;color:#4a3fd0;
}
.hero-sub{max-width:760px;margin:0 auto 30px;font-size:16px;color:var(--ink2);}
.hero-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:48px;}
.stat{
  padding:20px 16px;border-radius:16px;background:rgba(255,255,255,.82);
  border:1px solid var(--line);text-align:center;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.stat:hover{transform:translateY(-4px);box-shadow:0 16px 34px rgba(80,96,180,.13);border-color:rgba(122,92,255,.35);}
.stat strong{display:block;font-size:23px;font-weight:900;color:#2a2f52;letter-spacing:-.5px;}
.stat span{display:block;margin-top:4px;font-size:13px;color:var(--ink2);}

/* 关于我们 */
.about-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:22px;align-items:stretch;}
.about-lead{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px;display:flex;flex-direction:column;justify-content:center;gap:16px;
  box-shadow:0 14px 38px rgba(80,96,180,.08);
}
.about-lead h3{font-size:20px;font-weight:800;}
.about-lead p{color:var(--ink2);font-size:15px;}
.about-points{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.about-points li{
  position:relative;padding:18px 18px 18px 20px;border-radius:14px;
  background:#fff;border:1px solid var(--line);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.about-points li::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--cyan),var(--pink));
}
.about-points li:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(80,96,180,.12);border-color:rgba(122,92,255,.3);}
.about-points strong{display:block;font-size:15px;font-weight:800;color:var(--ink);}
.about-points span{display:block;margin-top:5px;font-size:13.5px;color:var(--ink2);}

/* 通用网格 */
.grid{display:grid;gap:18px;align-items:stretch;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(80,96,180,.14);border-color:rgba(122,92,255,.34);}
.card h3{font-size:17.5px;font-weight:800;margin-bottom:9px;}
.card p{font-size:14.5px;color:var(--ink2);}
.card .num{
  display:inline-flex;align-items:center;justify-content:center;
  width:30px;height:30px;border-radius:9px;margin-bottom:14px;
  font-size:13px;font-weight:800;color:#fff;
  background:linear-gradient(120deg,#00b8ff,#7a5cff);
}

/* 模型标签云 */
.model-cloud{margin-top:26px;padding:26px;border-radius:var(--radius);background:rgba(255,255,255,.72);border:1px solid var(--line);}
.tag-cloud{display:flex;flex-wrap:wrap;gap:9px;}
.tag-cloud li{
  padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;color:#41496b;
  background:#fff;border:1px solid #dfe5f8;transition:color .2s ease,border-color .2s ease,transform .2s ease;
}
.tag-cloud li:hover{color:#5b45e0;border-color:#b9c3ff;transform:translateY(-2px);}

/* 一站式制作 */
.wf-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:20px;align-items:stretch;}
.wf-shots{display:grid;grid-template-rows:1fr 1fr;gap:16px;}
.media{
  position:relative;overflow:hidden;border-radius:16px;background:#e9efff;
  border:1px solid var(--line);aspect-ratio:16/9;
}
.media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.media-cap{
  position:absolute;left:0;right:0;bottom:0;padding:22px 16px 12px;
  font-size:13px;font-weight:700;color:#fff;
  background:linear-gradient(180deg,rgba(10,16,40,0),rgba(10,16,40,.72));
}
.wf-side{display:flex;flex-direction:column;gap:16px;}
.wf-side .media.square{aspect-ratio:1/1;flex:1;}
.wf-list{display:grid;gap:10px;}
.wf-list li{
  padding:13px 16px;border-radius:12px;background:#fff;border:1px solid var(--line);
  font-size:14px;color:var(--ink2);
}
.wf-list strong{color:var(--ink);font-weight:800;}

/* 服务网络 */
.network-wrap{
  display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:center;
  padding:30px;border-radius:20px;background:rgba(255,255,255,.78);border:1px solid var(--line);
}
.network-list{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.network-list li{
  display:flex;align-items:center;gap:9px;padding:11px 14px;border-radius:11px;
  background:#fff;border:1px solid var(--line);font-size:14px;font-weight:600;color:#39405f;
}
.network-list .dot{
  width:7px;height:7px;border-radius:50%;flex-shrink:0;
  background:linear-gradient(120deg,#00c2ff,#ff4fd8);
}
.network-text h3{font-size:20px;font-weight:800;margin-bottom:10px;}
.network-text p{font-size:14.5px;color:var(--ink2);margin-bottom:16px;}

/* 流程 */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;counter-reset:step;}
.step{
  position:relative;padding:26px 22px;border-radius:16px;background:#fff;border:1px solid var(--line);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:0 18px 38px rgba(80,96,180,.13);border-color:rgba(0,194,255,.45);}
.step .step-no{
  font-size:13px;font-weight:900;letter-spacing:1.5px;
  color:#5b45e0;margin-bottom:10px;display:block;
}
.step h3{font-size:16.5px;font-weight:800;margin-bottom:8px;}
.step p{font-size:14px;color:var(--ink2);}

/* 案例 */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.case-item{
  border-radius:18px;overflow:hidden;background:#fff;border:1px solid var(--line);
  transition:transform .3s ease,box-shadow .3s ease;
}
.case-item:hover{transform:translateY(-5px);box-shadow:0 20px 44px rgba(80,96,180,.16);}
.case-item .media{border:none;border-radius:0;aspect-ratio:16/10;}
.case-body{padding:16px 18px 20px;}
.case-body h3{font-size:15.5px;font-weight:800;margin-bottom:6px;}
.case-body p{font-size:13.5px;color:var(--ink2);}

/* 对比评测 */
.compare-top{display:grid;grid-template-columns:.72fr 1.28fr;gap:20px;margin-bottom:24px;align-items:stretch;}
.score-card{
  padding:28px;border-radius:20px;text-align:center;color:#fff;
  background:linear-gradient(135deg,#1b1f4b,#3a2f8f 55%,#6d43c9);
  box-shadow:0 18px 40px rgba(58,47,143,.28);
}
.score-num{font-size:52px;font-weight:900;line-height:1;letter-spacing:-2px;}
.score-num span{font-size:18px;font-weight:700;opacity:.75;margin-left:4px;letter-spacing:0;}
.stars{margin:12px 0 8px;font-size:19px;letter-spacing:5px;color:#ffd76b;}
.score-card p{font-size:13.5px;color:#d6d4f7;}
.compare-note{
  padding:28px;border-radius:20px;background:#fff;border:1px solid var(--line);
  display:flex;flex-direction:column;justify-content:center;gap:12px;
}
.compare-note h3{font-size:19px;font-weight:800;}
.compare-note p{font-size:14.5px;color:var(--ink2);}
.table-wrap{
  overflow-x:auto;-webkit-overflow-scrolling:touch;
  border-radius:18px;border:1px solid var(--line);background:#fff;
  box-shadow:0 14px 38px rgba(80,96,180,.08);
}
table{width:100%;min-width:760px;border-collapse:collapse;font-size:14.5px;}
thead th{
  padding:15px 16px;text-align:left;font-size:13.5px;font-weight:800;color:#2a2f52;
  background:#f4f7ff;white-space:nowrap;border-bottom:1px solid var(--line);
}
tbody th,tbody td{padding:14px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #eef1fb;color:var(--ink2);}
tbody th{font-weight:800;color:var(--ink);white-space:nowrap;background:#fbfcff;}
tbody tr:last-child th,tbody tr:last-child td{border-bottom:none;}
td.hl{background:rgba(0,194,255,.07);color:#1b2140;font-weight:700;}

/* 用户评论 */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.review{
  margin:0;padding:24px;border-radius:18px;background:#fff;border:1px solid var(--line);
  display:flex;flex-direction:column;gap:12px;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.review:hover{transform:translateY(-4px);box-shadow:0 18px 38px rgba(80,96,180,.13);border-color:rgba(255,79,216,.35);}
.review .stars-line{font-size:14px;letter-spacing:3px;color:#ffb020;}
.review blockquote{margin:0;font-size:14.5px;color:var(--ink2);}
.review figcaption{margin-top:auto;padding-top:12px;border-top:1px dashed var(--line);}
.review figcaption strong{display:block;font-size:14.5px;font-weight:800;color:var(--ink);}
.review figcaption span{font-size:13px;color:#7b84a3;}

/* Token 比价 */
.token-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:20px;}
.token-card{
  padding:26px;border-radius:18px;background:#fff;border:1px solid var(--line);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.token-card:hover{transform:translateY(-4px);box-shadow:0 18px 38px rgba(80,96,180,.13);border-color:rgba(0,194,255,.45);}
.token-card h3{font-size:16.5px;font-weight:800;margin-bottom:8px;}
.token-card p{font-size:14px;color:var(--ink2);}
.token-note{
  padding:20px 24px;border-radius:16px;font-size:14px;color:#3a4368;
  background:rgba(0,194,255,.07);border:1px dashed rgba(0,194,255,.42);
}

/* 表单 */
.form-wrap{
  display:grid;grid-template-columns:.85fr 1.15fr;gap:24px;align-items:stretch;
  padding:0;
}
.form-intro{
  padding:30px;border-radius:20px;color:#fff;
  background:linear-gradient(140deg,#22265a,#3d3391 60%,#7a3fb5);
  box-shadow:0 18px 44px rgba(61,51,145,.26);
}
.form-intro h3{font-size:21px;font-weight:800;margin-bottom:12px;}
.form-intro p{font-size:14.5px;color:#d8d6f8;margin-bottom:18px;}
.form-intro ul{display:grid;gap:10px;}
.form-intro li{font-size:14px;color:#e6e4ff;padding-left:18px;position:relative;}
.form-intro li::before{
  content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:2px;
  background:linear-gradient(120deg,#5ce1ff,#ff8ae6);
}
.demand-form{
  padding:28px;border-radius:20px;background:#fff;border:1px solid var(--line);
  display:grid;grid-template-columns:1fr 1fr;gap:16px;align-content:start;
}
.field{display:flex;flex-direction:column;gap:7px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:13.5px;font-weight:700;color:#39405f;}
.field input,.field select,.field textarea{
  width:100%;padding:11px 14px;font-size:14.5px;font-family:inherit;color:var(--ink);
  background:#fbfcff;border:1px solid #dde3f6;border-radius:11px;outline:none;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{resize:vertical;min-height:104px;}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:#8ea4ff;background:#fff;box-shadow:0 0 0 3px rgba(122,92,255,.14);
}
.demand-form .btn{grid-column:1 / -1;justify-self:start;}

/* FAQ */
.faq-list{max-width:900px;margin:0 auto;display:grid;gap:12px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:0 20px;transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item[open]{border-color:rgba(122,92,255,.4);box-shadow:0 14px 32px rgba(80,96,180,.1);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:17px 30px 17px 0;position:relative;
  font-size:15px;font-weight:800;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);
  font-size:20px;font-weight:700;color:#7a5cff;line-height:1;transition:transform .25s ease;
}
.faq-item[open] summary::after{content:"−";}
.faq-item p{padding:0 0 18px;font-size:14.5px;color:var(--ink2);}

/* 知识区 */
.knowledge-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:22px;align-items:start;}
.article-list{display:grid;gap:12px;}
.article-item{
  display:flex;align-items:center;gap:14px;padding:16px 18px;border-radius:14px;
  background:#fff;border:1px solid var(--line);text-decoration:none;
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.article-item:hover{transform:translateX(4px);box-shadow:0 14px 30px rgba(80,96,180,.12);border-color:rgba(0,194,255,.45);}
.article-tag{
  flex-shrink:0;padding:4px 11px;border-radius:999px;font-size:12px;font-weight:800;color:#5b45e0;
  background:rgba(122,92,255,.1);
}
.article-item strong{font-size:14.5px;font-weight:700;color:var(--ink);}
.knowledge-side{display:grid;gap:22px;}
.side-block{padding:24px;border-radius:18px;background:#fff;border:1px solid var(--line);}
.help-list{display:grid;gap:9px;}
.help-list a{
  display:block;padding:10px 14px;border-radius:11px;font-size:14px;font-weight:600;color:#39405f;
  text-decoration:none;background:#f8faff;border:1px solid #e6ebfa;
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.help-list a:hover{color:#5b45e0;border-color:#b9c3ff;background:#fff;}

/* 加盟 */
.join-card{
  display:grid;grid-template-columns:1.15fr .85fr;gap:26px;align-items:center;
  padding:34px;border-radius:22px;
  background:linear-gradient(120deg,rgba(0,194,255,.10),rgba(255,79,216,.10));
  border:1px solid rgba(122,92,255,.24);
}
.join-card h2{font-size:clamp(21px,2.8vw,28px);font-weight:800;margin-bottom:12px;}
.join-card p{font-size:14.5px;color:var(--ink2);margin-bottom:20px;}
.join-points{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.join-points li{
  padding:14px 16px;border-radius:12px;background:#fff;border:1px solid var(--line);
  font-size:14px;font-weight:700;color:#39405f;
}
.join-points li span{display:block;margin-top:4px;font-size:12.5px;font-weight:500;color:var(--ink2);}

/* 联系我们 */
.contact-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:22px;align-items:stretch;}
.contact-card{padding:30px;border-radius:20px;background:#fff;border:1px solid var(--line);}
.contact-list{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:18px;}
.contact-list li{
  padding:14px 16px;border-radius:12px;background:#f8faff;border:1px solid #e6ebfa;font-size:14px;color:var(--ink2);
}
.contact-list strong{display:block;font-size:12.5px;font-weight:800;color:#7b84a3;letter-spacing:.5px;margin-bottom:3px;}
.contact-list a{color:#3a3fbe;text-decoration:none;font-weight:700;}
.contact-list a:hover{text-decoration:underline;}
.qr-card{
  padding:30px;border-radius:20px;background:#fff;border:1px solid var(--line);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;text-align:center;
}
.qr-card img{width:150px;height:150px;object-fit:contain;border-radius:12px;background:#f3f6ff;padding:6px;}
.qr-card p{font-size:13.5px;color:var(--ink2);}

/* 浮动工具 */
.float-tools{position:fixed;right:18px;bottom:24px;z-index:80;display:flex;flex-direction:column;gap:10px;}
.float-btn{
  width:48px;height:48px;border-radius:14px;border:1px solid #dfe5f8;background:#fff;
  color:#3a3fbe;font-size:13px;font-weight:800;font-family:inherit;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 24px rgba(80,96,180,.18);
  transition:transform .25s ease,box-shadow .25s ease,color .25s ease;
}
.float-btn:hover{transform:translateY(-3px);color:#7a5cff;box-shadow:0 14px 30px rgba(122,92,255,.3);}
#toTop{opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease,transform .25s ease;}
#toTop.show{opacity:1;visibility:visible;}
.service-panel{
  position:fixed;right:18px;bottom:130px;z-index:81;width:216px;padding:18px;
  background:#fff;border:1px solid var(--line);border-radius:16px;text-align:center;
  box-shadow:0 20px 44px rgba(80,96,180,.22);
}
.service-panel img{width:132px;height:132px;object-fit:contain;margin:0 auto 8px;border-radius:10px;background:#f3f6ff;padding:5px;}
.service-panel p{font-size:12.5px;color:var(--ink2);line-height:1.6;}

/* 页脚 */
.site-footer{background:#101633;color:#c7d0ee;padding:46px 0 22px;margin-top:20px;}
.footer-main{display:grid;grid-template-columns:1.15fr .75fr 1.1fr;gap:28px;align-items:start;}
.footer-brand .brand{color:#fff;}
.footer-brand .brand-name{color:#fff;}
.footer-brand p{margin-top:14px;font-size:13.5px;color:#9aa6cd;line-height:1.75;}
.footer-home{
  display:inline-block;margin-top:14px;padding:7px 16px;border-radius:999px;
  font-size:13px;font-weight:700;color:#8fd8ff;text-decoration:none;
  border:1px solid rgba(143,216,255,.4);transition:background .2s ease,color .2s ease;
}
.footer-home:hover{background:rgba(143,216,255,.14);color:#d5f2ff;}
.footer-col h3{font-size:14.5px;font-weight:800;color:#fff;margin-bottom:14px;}
.footer-links{display:flex;flex-wrap:wrap;gap:8px 16px;}
.footer-links a{font-size:13.5px;color:#a9b5da;text-decoration:none;transition:color .2s ease;}
.footer-links a:hover{color:#8fd8ff;}
.footer-bottom{
  margin-top:32px;padding-top:18px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;
  font-size:13px;color:#8b96bd;
}
.footer-bottom a{color:#a9b5da;text-decoration:none;}
.footer-bottom a:hover{color:#8fd8ff;}

/* 动效 */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .65s ease,transform .65s ease;}
.reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion: reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  .hero::before,.hero::after,.hero-tag i{animation:none;}
  html{scroll-behavior:auto;}
}

/* 响应式 */
@media (max-width:980px){
  .nav-toggle{display:flex;}
  .nav-links{
    position:absolute;left:0;right:0;top:100%;display:none;
    flex-direction:column;align-items:stretch;margin-left:0;
    background:#fff;border-bottom:1px solid var(--line);
    padding:6px 0 12px;border-radius:0 0 16px 16px;
    box-shadow:0 18px 34px rgba(80,96,180,.14);
  }
  .nav-links.open{display:flex;}
  .nav-links a{padding:12px 22px;border-radius:0;font-size:15px;}
  .about-grid,.wf-grid,.network-wrap,.form-wrap,.knowledge-grid,.join-card,.contact-grid,.compare-top{grid-template-columns:1fr;}
  .grid-3,.steps,.case-grid,.review-grid,.token-grid{grid-template-columns:repeat(2,1fr);}
  .hero-stats{grid-template-columns:repeat(2,1fr);}
  .footer-main{grid-template-columns:1fr 1fr;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:640px){
  .section{padding:48px 0;}
  .hero{padding:56px 0 52px;}
  .grid-3,.steps,.case-grid,.review-grid,.token-grid,.about-points,.network-list,.contact-list,.join-points{grid-template-columns:1fr;}
  .hero-stats{grid-template-columns:1fr 1fr;gap:10px;}
  .stat{padding:16px 10px;}
  .stat strong{font-size:20px;}
  .demand-form{grid-template-columns:1fr;padding:22px;}
  .footer-main{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .float-tools{right:12px;bottom:16px;}
  .service-panel{right:12px;bottom:122px;}
  .case-item .media{aspect-ratio:16/9;}
}