*{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  color:#241a13;
  line-height:1.7;
  font-size:16px;
  background-color:#fff9f4;
  background-image:
    radial-gradient(900px 520px at 6% 0%, rgba(255,140,60,.20), transparent 62%),
    radial-gradient(820px 480px at 96% 14%, rgba(255,196,90,.16), transparent 60%),
    radial-gradient(900px 620px at 18% 48%, rgba(255,140,60,.10), transparent 66%),
    radial-gradient(760px 520px at 88% 78%, rgba(255,170,80,.12), transparent 66%),
    linear-gradient(180deg,#fff9f4 0%,#fff6ee 55%,#fff3e8 100%);
  background-repeat:no-repeat;
}
img{max-width:100%;}
a{color:#c8390a;}
[id]{scroll-margin-top:86px;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;color:#1f150f;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.wrap{width:100%;max-width:1160px;margin:0 auto;padding:0 20px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:12px;font-size:15px;font-weight:600;line-height:1.4;
  text-decoration:none;border:1px solid transparent;cursor:pointer;
  font-family:inherit;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.btn-primary{background:linear-gradient(135deg,#ff7a2f,#ef410a);color:#fff;box-shadow:0 8px 20px rgba(239,65,10,.28);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(239,65,10,.36);color:#fff;}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(239,65,10,.28);}
.btn-ghost{background:#ffffff;color:#c8390a;border-color:rgba(255,90,31,.38);}
.btn-ghost:hover{background:#fff2e8;transform:translateY(-2px);color:#b32f07;}
.btn-lg{padding:14px 30px;font-size:16px;border-radius:14px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,250,245,.94);
  border-bottom:1px solid rgba(255,90,31,.14);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}
.nav{
  position:relative;
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;min-height:70px;
}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0;}
.ai-page-logo{display:block;width:auto;max-height:38px;}
.brand span{font-size:17px;font-weight:700;color:#1f150f;letter-spacing:.02em;white-space:nowrap;}
.nav-wrap{display:flex;align-items:center;gap:14px;}
.nav-links{display:flex;align-items:center;gap:0;}
.nav-links a{
  display:block;padding:9px 11px;border-radius:9px;
  font-size:14px;font-weight:500;color:#3a2b21;text-decoration:none;white-space:nowrap;
  transition:background .2s ease,color .2s ease;
}
.nav-links a:hover{background:rgba(255,90,31,.10);color:#c8390a;}
.nav-cta{padding:10px 18px;font-size:14px;}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:42px;height:42px;padding:0 10px;border-radius:10px;
  background:#fff;border:1px solid rgba(255,90,31,.28);cursor:pointer;
}
.nav-toggle span{display:block;height:2px;width:100%;background:#c8390a;border-radius:2px;transition:transform .25s ease,opacity .25s ease;}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.open span:nth-child(2){opacity:0;}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;}
.hero::before{
  content:"";position:absolute;width:540px;height:540px;border-radius:50%;
  top:-200px;left:-170px;pointer-events:none;
  background:radial-gradient(circle,rgba(255,120,40,.24),transparent 66%);
  animation:floatA 14s ease-in-out infinite;
}
.hero::after{
  content:"";position:absolute;width:440px;height:440px;border-radius:50%;
  bottom:-190px;right:-130px;pointer-events:none;
  background:radial-gradient(circle,rgba(255,190,80,.24),transparent 66%);
  animation:floatB 17s ease-in-out infinite;
}
@keyframes floatA{0%,100%{transform:translate(0,0);}50%{transform:translate(20px,-24px);}}
@keyframes floatB{0%,100%{transform:translate(0,0);}50%{transform:translate(-22px,18px);}}
.hero-grid{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1.12fr .88fr;gap:44px;align-items:center;
  padding:60px 0 58px;
}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:.06em;
  color:#c8390a;background:rgba(255,90,31,.10);border:1px solid rgba(255,90,31,.22);
  padding:5px 14px;border-radius:999px;margin-bottom:18px;
}
.hero h1{font-size:clamp(28px,4.2vw,45px);line-height:1.26;margin-bottom:18px;letter-spacing:-.02em;}
.hero h1 em{font-style:normal;color:#e8410a;}
.hero-lead{font-size:16px;color:#5d4a3e;max-width:600px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:16px;}
.hero-note{font-size:13.5px;color:#8a7264;}
.hero-panel{
  background:#ffffff;border:1px solid rgba(255,90,31,.20);border-radius:20px;
  padding:24px;box-shadow:0 18px 44px rgba(190,85,25,.14);
  position:relative;overflow:hidden;
}
.hero-panel::before{
  content:"";position:absolute;inset:0 0 auto 0;height:4px;
  background:linear-gradient(90deg,#ff7a2f,#ffb020,#ef410a);
}
.panel-head{font-size:14px;font-weight:600;color:#3a2b21;margin-bottom:14px;}
.model-chips{display:flex;flex-wrap:wrap;gap:8px;}
.model-chips li{
  font-size:12.5px;color:#8a4a1d;background:#fff4ea;border:1px solid rgba(255,90,31,.16);
  padding:5px 11px;border-radius:8px;line-height:1.4;
}
.panel-foot{
  margin-top:18px;padding-top:14px;border-top:1px dashed rgba(255,90,31,.24);
  font-size:13px;color:#8a7264;
}

/* ---------- stats ---------- */
.stats{padding-bottom:6px;}
.stats-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
}
.stat{
  background:#ffffff;border:1px solid rgba(255,90,31,.16);border-radius:16px;
  padding:20px 18px;text-align:center;
  box-shadow:0 4px 16px rgba(190,85,25,.07);
  transition:transform .25s ease,box-shadow .25s ease;
}
.stat:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(190,85,25,.14);}
.stat strong{display:block;font-size:28px;line-height:1.2;color:#e8410a;font-weight:800;letter-spacing:-.02em;}
.stat span{display:block;font-size:13.5px;color:#77665a;margin-top:4px;}

/* ---------- section base ---------- */
.section{padding:64px 0;}
.section-head{max-width:780px;margin:0 auto 38px;text-align:center;}
.tag{
  display:inline-block;font-size:13px;font-weight:600;color:#c8390a;
  background:rgba(255,90,31,.10);border:1px solid rgba(255,90,31,.20);
  padding:4px 13px;border-radius:999px;margin-bottom:14px;letter-spacing:.04em;
}
.section-head h2{font-size:clamp(22px,3vw,32px);line-height:1.35;margin-bottom:12px;}
.section-head p{font-size:15px;color:#77665a;}

.card{
  background:#ffffff;border:1px solid rgba(255,90,31,.15);border-radius:16px;
  padding:22px;box-shadow:0 3px 14px rgba(190,85,25,.06);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:0 16px 32px rgba(190,85,25,.14);border-color:rgba(255,90,31,.34);}
.card h3{font-size:16.5px;margin-bottom:8px;color:#241a13;}
.card p{font-size:14px;color:#77665a;line-height:1.72;}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}

/* about */
.about-badge{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:11px;margin-bottom:14px;
  background:linear-gradient(135deg,#ff8a3d,#ef410a);
  color:#fff;font-weight:800;font-size:15px;
  box-shadow:0 6px 16px rgba(239,65,10,.24);
}

/* services */
.svc-card{position:relative;overflow:hidden;}
.svc-card::after{
  content:"";position:absolute;left:22px;bottom:0;width:0;height:3px;border-radius:3px;
  background:linear-gradient(90deg,#ff7a2f,#ffb020);
  transition:width .3s ease;
}
.svc-card:hover::after{width:56px;}
.tags{display:flex;flex-wrap:wrap;gap:9px;}
.tags li{
  font-size:13px;color:#7a4220;background:#ffffff;border:1px solid rgba(255,90,31,.20);
  padding:7px 14px;border-radius:999px;line-height:1.4;
  transition:background .2s ease,color .2s ease,transform .2s ease,border-color .2s ease;
}
.tags li:hover{background:#fff2e8;color:#b32f07;transform:translateY(-2px);border-color:rgba(255,90,31,.45);}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:34px;}
.step{
  background:#ffffff;border:1px solid rgba(255,90,31,.15);border-radius:16px;padding:22px;
  box-shadow:0 3px 14px rgba(190,85,25,.06);
  transition:transform .26s ease,box-shadow .26s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:0 16px 32px rgba(190,85,25,.14);}
.step-no{
  display:inline-block;font-size:13px;font-weight:800;color:#e8410a;
  background:#fff2e8;border-radius:8px;padding:3px 10px;margin-bottom:12px;letter-spacing:.06em;
}
.step h3{font-size:16px;margin-bottom:8px;}
.step p{font-size:13.8px;color:#77665a;}
.platform-box{
  background:#ffffff;border:1px solid rgba(255,90,31,.16);border-radius:18px;
  padding:26px;box-shadow:0 6px 22px rgba(190,85,25,.08);
}
.platform-box h3{font-size:17px;margin-bottom:16px;}
.platform-box h3 small{font-size:13px;font-weight:500;color:#9a8375;margin-left:8px;}

/* industry */
.ind-card{
  background:linear-gradient(160deg,#ffffff,#fff8f2);
  border:1px solid rgba(255,90,31,.16);border-radius:16px;padding:22px;
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
  box-shadow:0 3px 14px rgba(190,85,25,.06);
}
.ind-card:hover{transform:translateY(-4px);box-shadow:0 16px 32px rgba(190,85,25,.14);border-color:rgba(255,90,31,.34);}
.ind-card h3{font-size:16.5px;margin-bottom:8px;}
.ind-card p{font-size:14px;color:#77665a;}

/* network */
.net-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.net-item{
  display:flex;gap:14px;align-items:flex-start;
  background:#ffffff;border:1px solid rgba(255,90,31,.15);border-radius:14px;
  padding:18px 20px;box-shadow:0 3px 12px rgba(190,85,25,.05);
  transition:transform .26s ease,box-shadow .26s ease;
}
.net-item:hover{transform:translateY(-3px);box-shadow:0 14px 28px rgba(190,85,25,.12);}
.net-dot{
  flex:0 0 auto;width:10px;height:10px;border-radius:50%;margin-top:8px;
  background:linear-gradient(135deg,#ff8a3d,#ef410a);
  box-shadow:0 0 0 4px rgba(255,90,31,.14);
}
.net-item h3{font-size:15.5px;margin-bottom:5px;}
.net-item p{font-size:13.8px;color:#77665a;}

/* timeline */
.timeline{position:relative;display:grid;grid-template-columns:repeat(5,1fr);gap:16px;}
.timeline::before{
  content:"";position:absolute;left:0;right:0;top:19px;height:2px;
  background:linear-gradient(90deg,rgba(255,90,31,.18),rgba(255,90,31,.5),rgba(255,90,31,.18));
}
.tl-item{position:relative;padding-top:52px;text-align:center;}
.tl-dot{
  position:absolute;top:8px;left:50%;transform:translateX(-50%);
  width:24px;height:24px;border-radius:50%;background:#fff;border:3px solid #ef410a;
  box-shadow:0 0 0 4px rgba(255,90,31,.12);
}
.tl-item h3{font-size:15px;margin-bottom:6px;}
.tl-item p{font-size:13.4px;color:#77665a;}

/* cases */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:start;}
.case-card{
  margin:0;background:#ffffff;border:1px solid rgba(255,90,31,.15);border-radius:16px;
  overflow:hidden;box-shadow:0 3px 14px rgba(190,85,25,.06);
  transition:transform .26s ease,box-shadow .26s ease;
}
.case-card:hover{transform:translateY(-4px);box-shadow:0 16px 32px rgba(190,85,25,.14);}
.case-media{
  aspect-ratio:16/10;background:#fff4ea;
  display:flex;align-items:center;justify-content:center;
  padding:10px;overflow:hidden;
}
.case-media img{width:100%;height:100%;object-fit:contain;display:block;border-radius:8px;}
.case-card figcaption{padding:16px 18px 18px;}
.case-card h3{font-size:15.5px;margin-bottom:6px;}
.case-card p{font-size:13.6px;color:#77665a;}

/* compare */
.review-banner{
  display:flex;align-items:center;gap:26px;flex-wrap:wrap;
  background:linear-gradient(135deg,#fff4ea,#ffffff);
  border:1px solid rgba(255,90,31,.28);border-radius:18px;
  padding:24px 28px;margin-bottom:26px;
  box-shadow:0 10px 28px rgba(190,85,25,.10);
}
.score-num{font-size:46px;font-weight:800;color:#e8410a;line-height:1;letter-spacing:-.03em;}
.score-max{font-size:16px;color:#9a8375;font-weight:600;}
.stars{font-size:20px;color:#ff9a1f;letter-spacing:3px;line-height:1;}
.review-info p{font-size:14.5px;color:#5d4a3e;margin-top:6px;}
.table-scroll{overflow-x:auto;border-radius:16px;border:1px solid rgba(255,90,31,.16);background:#fff;box-shadow:0 6px 22px rgba(190,85,25,.08);}
.cmp-table{width:100%;border-collapse:collapse;min-width:640px;font-size:14.5px;}
.cmp-table thead th{
  background:linear-gradient(135deg,#ff7a2f,#ef410a);color:#fff;
  padding:15px 18px;text-align:left;font-weight:600;white-space:nowrap;
}
.cmp-table thead th:nth-child(2){background:linear-gradient(135deg,#ef410a,#c8390a);}
.cmp-table tbody th{
  text-align:left;font-weight:600;color:#2a1d14;padding:14px 18px;
  background:#fffaf6;border-top:1px solid rgba(255,90,31,.10);white-space:nowrap;
}
.cmp-table tbody td{
  padding:14px 18px;color:#5d4a3e;border-top:1px solid rgba(255,90,31,.10);vertical-align:top;
}
.cmp-table tbody td:nth-child(1){color:#5d4a3e;}
.cmp-table tbody tr td:nth-child(2){background:#fff8f2;color:#8a3a0c;font-weight:600;}
.cmp-table tbody tr:hover td{background:#fff5ec;}
.cmp-table tbody tr:hover td:nth-child(2){background:#ffeedf;}

/* token */
.price-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.price-card{
  background:#ffffff;border:1px solid rgba(255,90,31,.16);border-radius:16px;padding:22px;
  box-shadow:0 3px 14px rgba(190,85,25,.06);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.price-card:hover{transform:translateY(-4px);box-shadow:0 16px 32px rgba(190,85,25,.14);border-color:rgba(255,90,31,.36);}
.price-card h3{font-size:16px;margin-bottom:8px;}
.price-card p{font-size:13.8px;color:#77665a;}
.price-note{margin-top:18px;font-size:13px;color:#9a8375;text-align:center;}

/* form */
.form-wrap{
  background:#ffffff;border:1px solid rgba(255,90,31,.18);border-radius:20px;
  padding:30px;box-shadow:0 12px 34px rgba(190,85,25,.10);
}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-bottom:18px;}
.field{display:block;}
.field span{display:block;font-size:13.5px;font-weight:600;color:#3a2b21;margin-bottom:7px;}
.field input,.field select,.field textarea{
  width:100%;font-family:inherit;font-size:14.5px;color:#241a13;
  background:#fffdfb;border:1px solid rgba(255,90,31,.24);border-radius:11px;
  padding:11px 14px;outline:none;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field input::placeholder,.field textarea::placeholder{color:#b3a094;}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:#ff6a1f;background:#fff;box-shadow:0 0 0 3px rgba(255,90,31,.14);
}
.field textarea{resize:vertical;min-height:110px;}
.form-foot{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:20px;}
.form-tip{font-size:13px;color:#9a8375;}

/* comments */
.comment-card{
  background:#ffffff;border:1px solid rgba(255,90,31,.15);border-radius:16px;padding:22px;
  box-shadow:0 3px 14px rgba(190,85,25,.06);
  display:flex;flex-direction:column;gap:12px;
  transition:transform .26s ease,box-shadow .26s ease;
}
.comment-card:hover{transform:translateY(-4px);box-shadow:0 16px 32px rgba(190,85,25,.14);}
.comment-head{display:flex;align-items:center;gap:12px;}
.avatar{
  width:42px;height:42px;border-radius:50%;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#ff8a3d,#ef410a);color:#fff;font-weight:700;font-size:16px;
}
.comment-head strong{display:block;font-size:14.5px;color:#241a13;}
.comment-head em{display:block;font-style:normal;font-size:12.5px;color:#9a8375;}
.comment-card p{font-size:14px;color:#5d4a3e;line-height:1.75;}
.comment-stars{font-size:14px;color:#ff9a1f;letter-spacing:2px;}

/* faq */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-item{
  background:#ffffff;border:1px solid rgba(255,90,31,.16);border-radius:14px;
  margin-bottom:12px;overflow:hidden;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item[open]{border-color:rgba(255,90,31,.42);box-shadow:0 10px 24px rgba(190,85,25,.10);}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:16px 52px 16px 20px;
  font-size:15px;font-weight:600;color:#2a1d14;line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  font-size:20px;line-height:1;color:#e8410a;font-weight:600;
  transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"−";}
.faq-body{padding:0 20px 18px;font-size:14.2px;color:#77665a;line-height:1.78;}

/* posts */
.post-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.post{
  background:#ffffff;border:1px solid rgba(255,90,31,.15);border-radius:16px;padding:22px;
  box-shadow:0 3px 14px rgba(190,85,25,.06);
  transition:transform .26s ease,box-shadow .26s ease;
}
.post:hover{transform:translateY(-4px);box-shadow:0 16px 32px rgba(190,85,25,.14);}
.post-meta{
  display:inline-block;font-size:12px;font-weight:600;color:#c8390a;
  background:#fff2e8;border-radius:6px;padding:3px 10px;margin-bottom:10px;
}
.post h3{font-size:16px;line-height:1.5;margin-bottom:8px;}
.post h3 a{color:#241a13;text-decoration:none;transition:color .2s ease;}
.post h3 a:hover{color:#e8410a;}
.post p{font-size:13.8px;color:#77665a;}
.post:last-child:nth-child(odd){grid-column:1 / -1;}

/* contact */
.contact-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:start;}
.contact-box{
  background:#ffffff;border:1px solid rgba(255,90,31,.16);border-radius:18px;
  padding:26px;box-shadow:0 8px 26px rgba(190,85,25,.08);
}
.contact-box h3{font-size:17px;margin-bottom:16px;}
.contact-list li{
  display:flex;flex-wrap:wrap;gap:8px;align-items:baseline;
  padding:11px 0;border-bottom:1px dashed rgba(255,90,31,.18);
  font-size:14.5px;
}
.contact-list li:last-child{border-bottom:none;}
.contact-list strong{color:#3a2b21;min-width:96px;font-weight:600;font-size:14px;}
.contact-list span,.contact-list a{color:#5d4a3e;text-decoration:none;word-break:break-all;}
.contact-list a:hover{color:#c8390a;}
.qr-box{
  background:linear-gradient(160deg,#fff4ea,#ffffff);
  border:1px solid rgba(255,90,31,.20);border-radius:18px;
  padding:24px;text-align:center;box-shadow:0 8px 26px rgba(190,85,25,.08);
}
.qr-box img{
  display:block;width:180px;max-width:100%;height:auto;margin:0 auto 14px;
  border-radius:12px;border:1px solid rgba(255,90,31,.18);background:#fff;padding:6px;
}
.qr-box h3{font-size:16px;margin-bottom:6px;}
.qr-box p{font-size:13.5px;color:#77665a;}
.join-box{
  margin-top:24px;
  background:linear-gradient(135deg,#ff7a2f,#ef410a);
  border-radius:18px;padding:28px;color:#fff;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
  box-shadow:0 14px 34px rgba(239,65,10,.26);
}
.join-box h3{font-size:19px;color:#fff;margin-bottom:8px;}
.join-box p{font-size:14.2px;color:rgba(255,255,255,.92);max-width:660px;}
.join-box .btn{background:#fff;color:#c8390a;box-shadow:0 8px 20px rgba(0,0,0,.14);}
.join-box .btn:hover{background:#fff6ef;color:#a82c05;}

/* footer */
.site-footer{
  margin-top:20px;
  background:#fff2e8;
  border-top:1px solid rgba(255,90,31,.22);
  color:#3a2a20;
}
.footer-top{
  display:grid;grid-template-columns:.9fr 1.1fr;gap:32px;
  padding:38px 20px 26px;
}
.footer-brand .ai-page-logo{max-height:36px;margin-bottom:12px;}
.footer-brand p{font-size:13.8px;color:#7a5f4f;line-height:1.8;}
.footer-col h3{font-size:14.5px;color:#2a1d14;margin-bottom:12px;}
.footer-links-list{display:flex;flex-wrap:wrap;gap:10px 18px;}
.footer-links-list a{
  font-size:13.5px;color:#8a4a1d;text-decoration:none;
  transition:color .2s ease;
}
.footer-links-list a:hover{color:#c8390a;text-decoration:underline;}
.footer-bottom{
  border-top:1px solid rgba(255,90,31,.20);
  padding:16px 20px 22px;
  display:flex;flex-wrap:wrap;gap:10px 22px;align-items:center;justify-content:space-between;
  font-size:13px;color:#7a5f4f;
}
.footer-bottom a{color:#c8390a;text-decoration:none;}
.footer-bottom a:hover{text-decoration:underline;}

/* float tools */
.float-tools{position:fixed;right:18px;bottom:22px;z-index:200;display:flex;flex-direction:column;align-items:flex-end;gap:10px;}
.float-btn{
  width:50px;height:50px;border-radius:14px;border:none;cursor:pointer;
  font-size:13px;font-weight:600;font-family:inherit;color:#fff;
  background:linear-gradient(135deg,#ff7a2f,#ef410a);
  box-shadow:0 10px 24px rgba(239,65,10,.32);
  display:flex;align-items:center;justify-content:center;
  transition:transform .22s ease,box-shadow .22s ease;
}
.float-btn:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(239,65,10,.4);}
.float-btn:active{transform:translateY(0);}
.kefu-panel{
  display:none;
  width:216px;background:#fff;border:1px solid rgba(255,90,31,.24);border-radius:16px;
  padding:16px;text-align:center;
  box-shadow:0 16px 38px rgba(190,85,25,.20);
}
.kefu-panel.show{display:block;animation:popIn .22s ease;}
@keyframes popIn{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:translateY(0);}}
.kefu-panel img{width:150px;max-width:100%;height:auto;display:block;margin:0 auto 10px;border-radius:10px;}
.kefu-panel p{font-size:12.8px;color:#77665a;line-height:1.7;}

/* reveal */
.js .reveal{opacity:0;transform:translateY(20px);transition:opacity .6s ease,transform .6s ease;}
.js .reveal.in{opacity:1;transform:translateY(0);}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
  .js .reveal{opacity:1;transform:none;}
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .nav-links a{padding:9px 8px;font-size:13.5px;}
  .hero-grid{grid-template-columns:1fr;gap:34px;padding:48px 0 46px;}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .price-grid{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .timeline{grid-template-columns:repeat(3,1fr);row-gap:26px;}
  .timeline::before{display:none;}
  .tl-item{padding-top:46px;}
  .case-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:960px){
  .nav-toggle{display:flex;}
  .nav-wrap{
    display:none;
    position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:12px;
    background:#fff9f4;border-bottom:1px solid rgba(255,90,31,.20);
    padding:14px 20px 20px;
    box-shadow:0 16px 30px rgba(190,85,25,.14);
  }
  .nav-wrap.open{display:flex;}
  .nav-links{flex-direction:column;align-items:stretch;gap:0;}
  .nav-links a{padding:12px 10px;font-size:14.5px;border-bottom:1px solid rgba(255,90,31,.10);border-radius:0;}
  .nav-cta{width:100%;justify-content:center;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:820px){
  .contact-grid{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr;gap:22px;padding:30px 20px 22px;}
  .net-list{grid-template-columns:1fr;}
  .post-list{grid-template-columns:1fr;}
  .post:last-child:nth-child(odd){grid-column:auto;}
}
@media (max-width:640px){
  .section{padding:48px 0;}
  .hero-grid{padding:36px 0 40px;}
  .grid-3,.grid-2,.price-grid,.steps,.case-grid{grid-template-columns:1fr;}
  .timeline{grid-template-columns:1fr;}
  .tl-item{text-align:left;padding-top:0;padding-left:44px;}
  .tl-dot{left:0;top:2px;transform:none;}
  .hero-actions .btn{flex:1 1 100%;}
  .form-grid{grid-template-columns:1fr;}
  .form-wrap{padding:22px;}
  .review-banner{padding:20px;gap:18px;}
  .score-num{font-size:38px;}
  .join-box{padding:22px;}
  .float-tools{right:12px;bottom:16px;}
  .float-btn{width:46px;height:46px;}
  .stat strong{font-size:24px;}
}