*,*::before,*::after{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",Roboto,sans-serif;
  color:#151318;
  background:#fffdf7;
  line-height:1.72;
  font-size:15.5px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background:
    radial-gradient(880px 520px at 6% -8%, rgba(255,197,61,.28), transparent 62%),
    radial-gradient(820px 520px at 98% 2%, rgba(43,107,255,.15), transparent 60%),
    radial-gradient(760px 620px at 50% 42%, rgba(18,184,134,.10), transparent 62%),
    radial-gradient(700px 520px at 8% 88%, rgba(255,91,46,.10), transparent 62%),
    linear-gradient(180deg,#fffdf7 0%,#fffaf0 55%,#fffdf7 100%);
}
img{max-width:100%;}
h1,h2,h3,h4,p,ul{margin:0;}
ul{padding:0;list-style:none;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
.container{width:100%;max-width:1180px;margin-left:auto;margin-right:auto;padding-left:24px;padding-right:24px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,253,247,.92);
  -webkit-backdrop-filter:saturate(180%) blur(12px);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid rgba(231,226,216,.9);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:70px;}
.brand{display:flex;align-items:center;flex-shrink:0;}
.ai-page-logo{display:block;width:auto;max-height:40px;}
.nav-links{display:flex;align-items:center;justify-content:center;gap:0;flex-wrap:nowrap;}
.nav-links a{
  display:inline-block;
  padding:8px 9px;
  font-size:13.5px;
  font-weight:600;
  color:#3c3a45;
  border-radius:8px;
  white-space:nowrap;
  transition:color .18s ease,background .18s ease;
}
.nav-links a:hover{color:#2b6bff;background:rgba(43,107,255,.08);}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:12px;
  border:1px solid #e4ddcf;background:#fff;color:#151318;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#151318;position:relative;transition:.25s;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:#151318;transition:.25s;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;
  font-size:15px;font-weight:700;line-height:1.2;
  border:2px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:linear-gradient(120deg,#ff5b2e,#ff8a3d);color:#ffffff;box-shadow:0 10px 22px rgba(255,91,46,.30);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(255,91,46,.38);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#ffffff;color:#151318;border-color:#e4ddcf;}
.btn-ghost:hover{border-color:#2b6bff;color:#2b6bff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(43,107,255,.14);}
.btn-sm{padding:9px 18px;font-size:13.5px;}

/* ---------- hero ---------- */
.hero{padding:60px 0 26px;}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:46px;align-items:center;}
.eyebrow{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.10em;
  color:#a63a12;background:rgba(255,197,61,.34);
  border:1px dashed rgba(255,91,46,.55);
  padding:5px 14px;border-radius:999px;
}
.hero h1{font-size:clamp(30px,4.6vw,50px);line-height:1.22;margin:18px 0 18px;letter-spacing:-.4px;color:#14121a;}
.hero h1 em{font-style:normal;position:relative;z-index:0;color:#d9430f;}
.hero h1 em::after{
  content:"";position:absolute;left:-3px;right:-3px;bottom:3px;height:13px;
  background:rgba(255,197,61,.62);border-radius:8px;z-index:-1;transform:rotate(-1.2deg);
}
.hero-sub{font-size:16.5px;color:#4a4756;max-width:620px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 24px;margin-top:26px;}
.hero-points li{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:#3c3a45;}
.hero-points li::before{content:"";width:8px;height:8px;border-radius:50%;background:#12b886;flex-shrink:0;}
.hero-points li:nth-child(2)::before{background:#2b6bff;}
.hero-points li:nth-child(3)::before{background:#ff5b2e;}

.hero-art{display:grid;grid-template-columns:1fr 1fr;gap:16px;padding:6px;}
.note{
  display:flex;flex-direction:column;gap:5px;
  background:#fff;border:1px solid #ece6d9;border-radius:18px;
  padding:20px 18px;
  box-shadow:0 18px 36px rgba(24,20,40,.09);
  transition:transform .3s ease,box-shadow .3s ease;
}
.note-k{font-size:15px;font-weight:800;color:#151318;}
.note-v{font-size:12.5px;color:#55525f;}
.note-a{transform:rotate(-2deg);border-top:4px solid #ff5b2e;}
.note-b{transform:rotate(2deg) translateY(16px);border-top:4px solid #2b6bff;}
.note-c{transform:rotate(1.6deg) translateY(-10px);border-top:4px solid #ffc53d;}
.note-d{transform:rotate(-1.6deg) translateY(8px);border-top:4px solid #12b886;}
.note:hover{transform:rotate(0) translateY(0);box-shadow:0 24px 46px rgba(24,20,40,.15);}

/* ---------- stats ---------- */
.stats{padding:26px 0 8px;}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.stat{
  background:#fff;border:1px solid #ece6d9;border-radius:18px;
  padding:20px 22px;border-top:3px solid #2b6bff;
  box-shadow:0 8px 20px rgba(24,20,40,.05);
  transition:transform .25s ease,box-shadow .25s ease;
}
.stat:nth-child(2){border-top-color:#ff5b2e;}
.stat:nth-child(3){border-top-color:#12b886;}
.stat:nth-child(4){border-top-color:#ffc53d;}
.stat:hover{transform:translateY(-4px);box-shadow:0 16px 30px rgba(24,20,40,.10);}
.stat strong{display:block;font-size:26px;line-height:1.3;color:#14121a;}
.stat span{font-size:13.5px;color:#55525f;}

/* ---------- sections ---------- */
.section{padding:66px 0;}
.section-head{max-width:780px;margin-bottom:34px;}
.section-head h2{font-size:clamp(23px,3.1vw,33px);line-height:1.36;margin:12px 0 12px;color:#14121a;}
.section-head p{font-size:15.5px;color:#55525f;}
.tag{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.08em;
  color:#a63a12;background:rgba(255,197,61,.32);
  border:1px dashed rgba(255,91,46,.5);
  padding:4px 13px;border-radius:999px;
}
.tag.blue{color:#1d4ed8;background:rgba(43,107,255,.12);border-color:rgba(43,107,255,.42);}
.tag.green{color:#087f5b;background:rgba(18,184,134,.14);border-color:rgba(18,184,134,.42);}
.tag.purple{color:#6d28d9;background:rgba(139,92,246,.14);border-color:rgba(139,92,246,.42);}

/* ---------- about ---------- */
.about-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.about-item{
  background:#fff;border:1px solid #ece6d9;border-radius:18px;padding:22px 22px 24px;
  box-shadow:0 8px 20px rgba(24,20,40,.05);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.about-item:hover{transform:translateY(-5px);box-shadow:0 18px 34px rgba(24,20,40,.11);border-color:#dfd6c4;}
.about-item h3{font-size:16.5px;margin-bottom:8px;color:#14121a;}
.about-item p{font-size:14px;color:#55525f;line-height:1.75;}
.about-item .dot{display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:8px;vertical-align:middle;}

.model-strip{margin-top:28px;background:#fff;border:1px solid #ece6d9;border-radius:20px;padding:22px 24px;box-shadow:0 10px 24px rgba(24,20,40,.06);}
.model-strip h3{font-size:15px;margin-bottom:14px;color:#14121a;}
.chips{display:flex;flex-wrap:wrap;gap:9px;}
.chip{
  font-size:13px;font-weight:600;color:#3c3a45;background:#fbf7ee;
  border:1px solid #ece6d9;border-radius:999px;padding:6px 14px;
  transition:transform .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.chip:hover{transform:translateY(-2px);background:#fff3dc;border-color:#ffd08a;color:#a63a12;}

/* ---------- services ---------- */
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.service-card{
  position:relative;background:#fff;border:1px solid #ece6d9;border-radius:20px;
  padding:24px 22px 26px;overflow:hidden;
  box-shadow:0 10px 24px rgba(24,20,40,.06);
  transition:transform .25s ease,box-shadow .25s ease;
}
.service-card::before{content:"";position:absolute;left:0;top:0;width:100%;height:5px;background:linear-gradient(90deg,#ff5b2e,#ffc53d);}
.service-card:nth-child(2)::before{background:linear-gradient(90deg,#2b6bff,#5eead4);}
.service-card:nth-child(3)::before{background:linear-gradient(90deg,#12b886,#a7f3d0);}
.service-card:nth-child(4)::before{background:linear-gradient(90deg,#8b5cf6,#c4b5fd);}
.service-card:nth-child(5)::before{background:linear-gradient(90deg,#ffc53d,#fde68a);}
.service-card:nth-child(6)::before{background:linear-gradient(90deg,#ff5b2e,#fca5a5);}
.service-card:hover{transform:translateY(-6px);box-shadow:0 22px 40px rgba(24,20,40,.12);}
.service-card h3{font-size:17px;margin-bottom:10px;color:#14121a;}
.service-card p{font-size:14px;color:#55525f;line-height:1.78;}

/* ---------- make ---------- */
.make-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.make-item{background:#fff;border:1px solid #ece6d9;border-radius:16px;padding:20px;box-shadow:0 8px 18px rgba(24,20,40,.05);transition:transform .25s ease,box-shadow .25s ease;}
.make-item:hover{transform:translateY(-4px);box-shadow:0 16px 30px rgba(24,20,40,.10);}
.make-item span{display:block;font-size:12.5px;font-weight:700;color:#2b6bff;letter-spacing:.06em;margin-bottom:6px;}
.make-item h3{font-size:15.5px;margin-bottom:6px;color:#14121a;}
.make-item p{font-size:13.5px;color:#55525f;line-height:1.7;}

.media-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:26px;}
.media-card{background:#fff;border:1px solid #ece6d9;border-radius:20px;overflow:hidden;box-shadow:0 12px 26px rgba(24,20,40,.07);transition:transform .28s ease,box-shadow .28s ease;}
.media-card:hover{transform:translateY(-5px);box-shadow:0 22px 42px rgba(24,20,40,.13);}
.media-card img{display:block;width:100%;height:auto;}
.media-card figcaption{padding:14px 18px 18px;font-size:13.5px;color:#55525f;}

/* ---------- process ---------- */
.timeline{position:relative;padding-left:34px;}
.timeline::before{content:"";position:absolute;left:11px;top:10px;bottom:10px;width:2px;background:linear-gradient(180deg,#ff5b2e,#ffc53d,#12b886,#2b6bff);border-radius:2px;}
.timeline li{position:relative;padding:0 0 24px 0;}
.timeline li:last-child{padding-bottom:0;}
.timeline li::before{
  content:"";position:absolute;left:-30px;top:8px;width:12px;height:12px;border-radius:50%;
  background:#fff;border:3px solid #ff5b2e;
}
.timeline li:nth-child(2)::before{border-color:#ffc53d;}
.timeline li:nth-child(3)::before{border-color:#12b886;}
.timeline li:nth-child(4)::before{border-color:#2b6bff;}
.timeline li:nth-child(5)::before{border-color:#8b5cf6;}
.timeline li:nth-child(6)::before{border-color:#ff5b2e;}
.timeline h3{font-size:16px;margin-bottom:5px;color:#14121a;}
.timeline p{font-size:14px;color:#55525f;}

/* ---------- industry / network ---------- */
.industry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.industry-card{
  background:#fff;border:1px solid #ece6d9;border-radius:18px;padding:22px;
  box-shadow:0 8px 20px rgba(24,20,40,.05);
  border-left:4px solid #2b6bff;
  transition:transform .25s ease,box-shadow .25s ease;
}
.industry-card:nth-child(2){border-left-color:#ff5b2e;}
.industry-card:nth-child(3){border-left-color:#12b886;}
.industry-card:nth-child(4){border-left-color:#8b5cf6;}
.industry-card:nth-child(5){border-left-color:#ffc53d;}
.industry-card:nth-child(6){border-left-color:#0ea5e9;}
.industry-card:hover{transform:translateY(-5px);box-shadow:0 18px 34px rgba(24,20,40,.11);}
.industry-card h3{font-size:16px;margin-bottom:8px;color:#14121a;}
.industry-card p{font-size:13.8px;color:#55525f;line-height:1.75;}

.network-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.network-card{background:rgba(255,255,255,.86);border:1px dashed #ddd4c4;border-radius:18px;padding:22px;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;}
.network-card:hover{transform:translateY(-4px);border-color:#2b6bff;box-shadow:0 16px 30px rgba(43,107,255,.12);}
.network-card h3{font-size:15.5px;margin-bottom:8px;color:#14121a;}
.network-card p{font-size:13.5px;color:#55525f;}

/* ---------- cases ---------- */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:start;}
.case-card{background:#fff;border:1px solid #ece6d9;border-radius:20px;overflow:hidden;box-shadow:0 12px 26px rgba(24,20,40,.07);transition:transform .28s ease,box-shadow .28s ease;}
.case-card:hover{transform:translateY(-6px);box-shadow:0 24px 44px rgba(24,20,40,.14);}
.case-card img{display:block;width:100%;height:auto;}
.case-body{padding:18px 20px 22px;}
.case-body h3{font-size:16px;margin-bottom:8px;color:#14121a;}
.case-body p{font-size:13.8px;color:#55525f;line-height:1.75;}

/* ---------- compare ---------- */
.score-panel{
  display:grid;grid-template-columns:auto 1fr;gap:30px;align-items:center;
  background:linear-gradient(120deg,#fff6e8,#eef4ff 60%,#eafaf3);
  border:1px solid #ece6d9;border-radius:22px;padding:26px 30px;margin-bottom:26px;
  box-shadow:0 12px 28px rgba(24,20,40,.07);
}
.score-main strong{font-size:44px;line-height:1;color:#d9430f;letter-spacing:-1px;}
.score-main .of{font-size:16px;color:#55525f;margin-left:4px;}
.stars{color:#ff9d18;font-size:18px;letter-spacing:3px;margin-top:6px;}
.score-main .rec{font-size:14px;font-weight:700;color:#087f5b;margin-top:4px;}
.score-note{font-size:14.5px;color:#4a4756;}

.table-wrap{overflow-x:auto;background:#fff;border:1px solid #ece6d9;border-radius:18px;box-shadow:0 10px 24px rgba(24,20,40,.06);}
table{width:100%;border-collapse:collapse;min-width:640px;font-size:14.5px;}
thead th{background:#fff7ea;text-align:left;padding:15px 18px;font-weight:800;color:#14121a;border-bottom:1px solid #f0ebe1;}
tbody td{padding:14px 18px;border-bottom:1px solid #f4efe6;color:#4a4756;vertical-align:top;}
tbody tr:last-child td{border-bottom:none;}
tbody td:first-child{font-weight:700;color:#14121a;white-space:nowrap;}
tbody tr:hover td{background:#fffdf6;}
.badge-strong{display:inline-block;font-size:12.5px;font-weight:700;color:#087f5b;background:rgba(18,184,134,.14);border-radius:999px;padding:2px 10px;}

/* ---------- token ---------- */
.token-note{margin-top:16px;font-size:13.5px;color:#6b6879;}

/* ---------- reviews ---------- */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:start;}
.review-card{background:#fff;border:1px solid #ece6d9;border-radius:18px;padding:22px;box-shadow:0 10px 22px rgba(24,20,40,.06);transition:transform .25s ease,box-shadow .25s ease;}
.review-card:hover{transform:translateY(-5px);box-shadow:0 20px 36px rgba(24,20,40,.11);}
.review-card p{font-size:14px;color:#4a4756;line-height:1.8;}
.review-meta{display:flex;align-items:center;gap:10px;margin-top:16px;}
.avatar{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;color:#fff;flex-shrink:0;}
.review-meta strong{display:block;font-size:14px;color:#14121a;}
.review-meta span{display:block;font-size:12.5px;color:#6b6879;}

/* ---------- articles ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start;}
.help-cards{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.help-card{background:#fff;border:1px solid #ece6d9;border-radius:16px;padding:18px;box-shadow:0 8px 18px rgba(24,20,40,.05);transition:transform .22s ease,border-color .22s ease;}
.help-card:hover{transform:translateY(-4px);border-color:#dfd6c4;}
.help-card h3{font-size:14.5px;margin-bottom:6px;color:#14121a;}
.help-card p{font-size:13px;color:#55525f;}
.article-list{background:#fff;border:1px solid #ece6d9;border-radius:18px;overflow:hidden;box-shadow:0 10px 24px rgba(24,20,40,.06);}
.article-list li{border-bottom:1px dashed #eee7db;}
.article-list li:last-child{border-bottom:none;}
.article-list a{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:15px 20px;font-size:14px;font-weight:600;color:#2a2833;transition:background .2s ease,color .2s ease;}
.article-list a:hover{background:#fffaf0;color:#d9430f;}
.article-list span{font-size:12.5px;color:#8a8697;flex-shrink:0;}

/* ---------- contact / form ---------- */
.contact-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:start;}
.form-card{background:#fff;border:1px solid #ece6d9;border-radius:22px;padding:28px;box-shadow:0 14px 30px rgba(24,20,40,.08);}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:16px;}
.field label{font-size:13.5px;font-weight:700;color:#2a2833;}
.field input,.field select,.field textarea{
  width:100%;font-family:inherit;font-size:14.5px;color:#151318;
  background:#fdfbf5;border:1px solid #e4ddcf;border-radius:12px;
  padding:12px 14px;outline:none;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{min-height:110px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{border-color:#2b6bff;background:#fff;box-shadow:0 0 0 3px rgba(43,107,255,.14);}
.form-card .btn{width:100%;margin-top:4px;}
.form-tip{font-size:12.5px;color:#8a8697;margin-top:12px;}

.contact-card{background:#fff;border:1px solid #ece6d9;border-radius:22px;padding:26px;box-shadow:0 14px 30px rgba(24,20,40,.08);}
.contact-card h3{font-size:16px;margin-bottom:14px;color:#14121a;}
.contact-list li{display:flex;gap:10px;font-size:14px;color:#4a4756;padding:7px 0;border-bottom:1px dashed #f0ebe1;}
.contact-list li:last-child{border-bottom:none;}
.contact-list b{color:#14121a;font-weight:700;flex-shrink:0;min-width:74px;}
.contact-list a{color:#1d4ed8;font-weight:600;}
.contact-list a:hover{text-decoration:underline;}
.qr-box{margin-top:18px;text-align:center;background:#fdfbf5;border:1px dashed #e0d8c8;border-radius:16px;padding:16px;}
.qr-box img{display:block;width:100%;max-width:200px;height:auto;margin:0 auto 10px;border-radius:10px;}
.qr-box span{font-size:12.5px;color:#6b6879;}

/* ---------- join ---------- */
.join-panel{
  display:grid;grid-template-columns:1.05fr .95fr;gap:32px;align-items:center;
  background:linear-gradient(120deg,#fff6e8,#eef4ff);
  border:1px solid #ece6d9;border-radius:24px;padding:34px;
  box-shadow:0 16px 34px rgba(24,20,40,.09);
}
.join-panel h2{font-size:clamp(21px,2.8vw,29px);line-height:1.38;margin:12px 0 12px;color:#14121a;}
.join-panel p{font-size:14.5px;color:#4a4756;}
.join-panel .btn{margin-top:22px;}
.join-list{display:grid;gap:12px;}
.join-list li{background:#fff;border:1px solid #ece6d9;border-radius:14px;padding:14px 16px;display:flex;flex-direction:column;gap:3px;transition:transform .22s ease,box-shadow .22s ease;}
.join-list li:hover{transform:translateX(4px);box-shadow:0 10px 22px rgba(24,20,40,.09);}
.join-list strong{font-size:14.5px;color:#14121a;}
.join-list span{font-size:13px;color:#6b6879;}

/* ---------- faq ---------- */
.faq-item{background:#fff;border:1px solid #ece6d9;border-radius:16px;margin-bottom:12px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;}
.faq-item.open{border-color:#ffd08a;box-shadow:0 12px 26px rgba(255,140,60,.12);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:17px 20px;background:none;border:0;cursor:pointer;
  font-size:15px;font-weight:700;color:#14121a;text-align:left;line-height:1.5;
}
.faq-q .icon{width:22px;height:22px;border-radius:50%;background:#fff3dc;color:#d9430f;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;flex-shrink:0;transition:transform .25s ease,background .25s ease;}
.faq-item.open .faq-q .icon{transform:rotate(45deg);background:#ff5b2e;color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;padding:0 20px;}
.faq-a p{font-size:14px;color:#55525f;line-height:1.8;padding-bottom:18px;}
.faq-item.open .faq-a{padding-bottom:2px;}

/* ---------- footer ---------- */
.site-footer{background:#17151c;color:#efeae1;margin-top:20px;padding:48px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px;align-items:start;}
.footer-brand h3{font-size:18px;color:#ffffff;margin-bottom:10px;}
.footer-brand p{font-size:13.8px;color:#b9b4ab;line-height:1.8;max-width:380px;}
.footer-col h4{font-size:14.5px;color:#ffffff;margin-bottom:12px;}
.footer-col li{margin-bottom:8px;}
.footer-col a,.footer-col span{font-size:13.5px;color:#b9b4ab;transition:color .2s ease;}
.footer-col a:hover{color:#ffc53d;}
.footer-links{margin-top:32px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;}
.footer-links b{font-size:13.5px;color:#ffffff;font-weight:700;}
.footer-links a{font-size:13px;color:#b9b4ab;border:1px solid rgba(255,255,255,.16);border-radius:999px;padding:5px 14px;transition:color .2s ease,border-color .2s ease,background .2s ease;}
.footer-links a:hover{color:#ffffff;border-color:#ffc53d;background:rgba(255,197,61,.14);}
.footer-bottom{margin-top:22px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:12.8px;color:#8f8a82;}
.footer-bottom a{color:#b9b4ab;}
.footer-bottom a:hover{color:#ffc53d;}

/* ---------- float tools ---------- */
.float-tools{position:fixed;right:18px;bottom:22px;z-index:90;display:flex;flex-direction:column;gap:10px;}
.float-btn{
  width:46px;height:46px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:#ffffff;color:#14121a;border:1px solid #e4ddcf;
  box-shadow:0 10px 22px rgba(24,20,40,.16);
  cursor:pointer;transition:transform .2s ease,background .2s ease,color .2s ease,box-shadow .2s ease,opacity .25s ease;
}
.float-btn:hover{transform:translateY(-3px);background:#ff5b2e;color:#fff;border-color:#ff5b2e;box-shadow:0 14px 28px rgba(255,91,46,.36);}
.float-btn svg{width:20px;height:20px;display:block;}
#backTop{opacity:0;pointer-events:none;transform:translateY(8px);}
#backTop.show{opacity:1;pointer-events:auto;transform:translateY(0);}

/* ---------- reveal ---------- */
html.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease;}
html.js .reveal.visible{opacity:1;transform:translateY(0);}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .nav-links a{padding:8px 7px;font-size:13px;}
  .service-grid{gap:16px;}
}
@media (max-width:960px){
  .nav-toggle{display:inline-flex;}
  .nav-links{
    display:none;
    position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fffdf7;border-bottom:1px solid #ece6d9;
    padding:6px 24px 16px;
    box-shadow:0 18px 30px rgba(24,20,40,.10);
    max-height:calc(100vh - 76px);overflow-y:auto;
  }
  .nav-links.open{display:flex;}
  .nav-links a{padding:13px 4px;font-size:14.5px;border-bottom:1px dashed #eee7db;border-radius:0;}
  .nav-links a:last-child{border-bottom:none;}
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .about-grid,.service-grid,.industry-grid,.review-grid,.case-grid{grid-template-columns:repeat(2,1fr);}
  .make-grid,.network-grid{grid-template-columns:repeat(2,1fr);}
  .contact-grid,.split,.join-panel{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .score-panel{grid-template-columns:1fr;gap:14px;}
}
@media (max-width:680px){
  body{font-size:15px;}
  .section{padding:48px 0;}
  .hero{padding:40px 0 16px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .about-grid,.service-grid,.industry-grid,.review-grid,.case-grid,.make-grid,.network-grid,.media-grid,.help-cards{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .hero h1{font-size:clamp(27px,7vw,36px);}
  .hero-art{gap:12px;}
  .note{padding:16px 14px;}
  .note-k{font-size:13.5px;}
  .note-v{font-size:12px;}
  .join-panel{padding:24px;}
  .form-card,.contact-card{padding:22px;}
  .float-tools{right:12px;bottom:16px;}
  .float-btn{width:42px;height:42px;}
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  html.js .reveal{opacity:1;transform:none;transition:none;}
  .btn,.note,.stat,.service-card,.about-item,.industry-card,.case-card,.review-card,.help-card,.network-card,.make-item,.media-card,.faq-item{transition:none !important;}
}