:root{
  --orange:#ff5a1f;
  --orange-deep:#df4709;
  --orange-mid:#ff7a2f;
  --orange-light:#ff8a3d;
  --ink:#1e1712;
  --ink-soft:#4a3f38;
  --muted:#786559;
  --line:rgba(255,120,50,.16);
  --radius:16px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:86px;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:15px;
  line-height:1.75;
  color:var(--ink);
  background-color:#fff8f2;
  background-image:
    radial-gradient(900px 520px at 90% -4%, rgba(255,150,70,.30), rgba(255,150,70,0) 60%),
    radial-gradient(760px 500px at 2% 8%, rgba(255,196,140,.32), rgba(255,196,140,0) 58%),
    radial-gradient(1100px 700px at 50% 108%, rgba(255,190,140,.26), rgba(255,190,140,0) 64%);
  background-repeat:no-repeat;
  background-attachment:fixed;
}
img{max-width:100%;}
a{color:var(--orange-deep);}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;color:var(--ink);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,249,244,.92);
  backdrop-filter:saturate(160%) blur(12px);
  -webkit-backdrop-filter:saturate(160%) blur(12px);
  border-bottom:1px solid var(--line);
}
.nav-bar{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:68px;position:relative;}
.brand{display:flex;align-items:center;flex:none;max-width:150px;}
.brand .ai-page-logo{display:block;max-height:40px;width:auto;}
.nav-links{display:flex;align-items:center;gap:0;list-style:none;margin:0;padding:0;}
.nav-links a{
  display:block;padding:9px 11px;font-size:14px;font-weight:500;color:#3d322b;
  text-decoration:none;border-radius:9px;white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-links a:hover{color:var(--orange-deep);background:rgba(255,120,50,.10);}
.nav-actions{display:flex;align-items:center;flex:none;}
.nav-actions .btn{padding:10px 20px;font-size:14px;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
  background:#fff;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px;padding:0;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#3d322b;border-radius:2px;transition:transform .25s ease,opacity .25s ease;}
.nav-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.active span:nth-child(2){opacity:0;}
.nav-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:12px;font-size:15px;font-weight:600;
  text-decoration:none;cursor:pointer;border:1px solid transparent;font-family:inherit;
  transition:transform .18s ease,box-shadow .25s ease,background .25s ease;
}
.btn-primary{background:linear-gradient(135deg,#ff7a2f,#ff4d0a);color:#fff;box-shadow:0 10px 22px rgba(255,86,20,.28);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(255,86,20,.34);}
.btn-ghost{background:#fff;color:#c2420c;border-color:rgba(255,110,40,.30);box-shadow:0 6px 16px rgba(255,120,60,.10);}
.btn-ghost:hover{transform:translateY(-2px);box-shadow:0 12px 24px rgba(255,120,60,.18);}
.btn:active{transform:translateY(0) scale(.99);}
.btn-block{width:100%;}

/* ---------- section basics ---------- */
.section{padding:74px 0;}
.section-head{max-width:780px;margin:0 auto 40px;text-align:center;}
.section-head.left{margin-left:0;text-align:left;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:#c8400a;letter-spacing:.04em;
  background:rgba(255,110,40,.10);border:1px solid rgba(255,110,40,.22);
  padding:6px 14px;border-radius:999px;
}
.section-head h2{font-size:clamp(23px,3.1vw,34px);line-height:1.32;margin:16px 0 12px;}
.section-head p{color:#6c5a4f;font-size:15.5px;}

/* ---------- hero ---------- */
.hero{padding:60px 0 24px;}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:48px;align-items:center;}
.hero-copy{animation:floatUp .75s ease both;}
.hero-copy h1{font-size:clamp(29px,4.2vw,44px);line-height:1.24;margin:18px 0;letter-spacing:-.02em;}
.hero-copy h1 .accent{color:var(--orange-deep);}
.hero-sub{font-size:16px;color:#63524a;max-width:570px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:22px;}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 24px;font-size:13.5px;color:#5b4a3f;}
.hero-points li{display:flex;align-items:center;gap:8px;}
.hero-points li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--orange-mid);flex:none;}

.model-panel{
  position:relative;background:#fff;border:1px solid rgba(255,120,50,.20);
  border-radius:22px;padding:24px 22px;
  box-shadow:0 30px 60px -34px rgba(200,85,25,.55);
  animation:floatUp .85s ease both;animation-delay:.14s;
}
.panel-head{display:flex;align-items:center;gap:9px;font-size:13px;font-weight:600;color:#8a5a3a;margin-bottom:18px;}
.panel-dot{width:8px;height:8px;border-radius:50%;background:var(--orange);box-shadow:0 0 0 4px rgba(255,90,31,.16);animation:pulse 2.4s ease-in-out infinite;}
.chip-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px;}
.chip{
  display:flex;align-items:center;gap:7px;justify-content:flex-start;
  font-size:12.5px;color:#4a3f38;background:#fff6ee;
  border:1px solid rgba(255,130,60,.18);border-radius:9px;padding:8px 10px;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.chip::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--orange);flex:none;}
.panel-foot{margin-top:16px;font-size:12.5px;color:#9a887b;text-align:center;}

.metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:52px;animation:floatUp .9s ease both;animation-delay:.24s;}
.metric{
  background:#fff;border:1px solid rgba(255,120,50,.16);border-radius:16px;padding:20px 18px;
  box-shadow:0 14px 32px -24px rgba(200,90,30,.6);
  transition:transform .22s ease,box-shadow .22s ease;
}
.metric:hover{transform:translateY(-4px);box-shadow:0 22px 40px -24px rgba(200,90,30,.55);}
.metric strong{display:block;font-size:25px;line-height:1.25;color:var(--orange-deep);font-weight:800;}
.metric span{font-size:13.5px;color:#6c5a4f;}

@keyframes floatUp{from{opacity:0;transform:translateY(22px);}to{opacity:1;transform:none;}}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.5;transform:scale(.8);}}

/* ---------- cards ---------- */
.card{
  background:#fff;border:1px solid rgba(255,120,50,.14);border-radius:var(--radius);padding:24px;
  box-shadow:0 14px 34px -26px rgba(200,90,30,.6);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:0 24px 46px -24px rgba(200,90,30,.55);border-color:rgba(255,110,40,.34);}
.card h3{font-size:17px;margin-bottom:8px;}
.card p{font-size:14.5px;color:#6c5a4f;}
.card-icon{
  width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#fff0e3,#ffe0c8);color:var(--orange-deep);margin-bottom:14px;
}
.card-icon svg{width:22px;height:22px;}

.grid-auto{display:grid;grid-template-columns:repeat(auto-fit,minmax(272px,1fr));gap:20px;}

/* ---------- about ---------- */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start;}
.about-copy p{color:#5d4c43;margin-bottom:16px;font-size:15px;}
.tag-cloud{display:flex;flex-wrap:wrap;gap:9px;margin-top:6px;}
.tag{
  font-size:12.5px;color:#a03a08;background:#fff2e6;border:1px solid rgba(255,120,50,.22);
  padding:5px 12px;border-radius:999px;transition:background .2s ease,color .2s ease;
}
.tag:hover{background:#ffe4d0;color:#8a2f05;}
.feature-list{display:flex;flex-direction:column;gap:12px;}
.feature-item{
  display:flex;gap:12px;background:#fff;border:1px solid rgba(255,120,50,.14);
  border-radius:14px;padding:16px 18px;box-shadow:0 12px 28px -24px rgba(200,90,30,.6);
  transition:transform .2s ease,border-color .2s ease;
}
.feature-item:hover{transform:translateX(4px);border-color:rgba(255,110,40,.36);}
.feature-item .fi-dot{width:8px;height:8px;border-radius:50%;background:var(--orange-mid);margin-top:9px;flex:none;}
.feature-item strong{display:block;font-size:14.5px;color:var(--ink);margin-bottom:2px;}
.feature-item span{font-size:13.5px;color:#6c5a4f;}

/* ---------- studio ---------- */
.studio-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:start;}
.studio-media{display:flex;flex-direction:column;gap:16px;}
.media-frame{
  background:#f8ede3;border:1px solid rgba(255,120,50,.16);border-radius:16px;
  overflow:hidden;aspect-ratio:16/9;display:flex;align-items:center;justify-content:center;
  box-shadow:0 16px 36px -28px rgba(200,90,30,.65);
}
.media-frame img{width:100%;height:100%;object-fit:contain;display:block;}
.media-row{display:grid;grid-template-columns:1.25fr .75fr;gap:16px;}
.media-frame.square{aspect-ratio:1/1;}
.studio-copy h3{font-size:clamp(20px,2.4vw,26px);margin-bottom:12px;}
.studio-copy > p{color:#5d4c43;font-size:15px;margin-bottom:20px;}
.mini-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:24px;}
.mini{
  background:#fff;border:1px solid rgba(255,120,50,.15);border-radius:12px;padding:14px 16px;
  transition:transform .2s ease,border-color .2s ease;
}
.mini:hover{transform:translateY(-3px);border-color:rgba(255,110,40,.35);}
.mini strong{display:block;font-size:14px;color:#241b15;margin-bottom:2px;}
.mini span{font-size:13px;color:#6c5a4f;}

/* ---------- network ---------- */
.network-bar{
  margin-top:28px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;
  background:#fff;border:1px solid rgba(255,120,50,.16);border-radius:16px;overflow:hidden;
  box-shadow:0 16px 36px -30px rgba(200,90,30,.7);
}
.network-item{padding:20px 18px;border-right:1px solid rgba(255,120,50,.12);}
.network-item:last-child{border-right:0;}
.network-item strong{display:block;font-size:14.5px;color:#241b15;margin-bottom:3px;}
.network-item span{font-size:13px;color:#6c5a4f;}

/* ---------- process ---------- */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:18px;}
.step{
  position:relative;background:#fff;border:1px solid rgba(255,120,50,.16);border-radius:16px;
  padding:26px 20px 22px;box-shadow:0 14px 32px -28px rgba(200,90,30,.7);
  transition:transform .22s ease,box-shadow .22s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:0 24px 44px -26px rgba(200,90,30,.6);}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;font-size:14px;font-weight:800;
  color:#fff;background:linear-gradient(135deg,#ff8a3d,#ff4d0a);
  box-shadow:0 8px 18px -8px rgba(255,86,20,.7);margin-bottom:14px;
}
.step h3{font-size:15.5px;margin-bottom:6px;}
.step p{font-size:13.8px;color:#6c5a4f;}

/* ---------- cases ---------- */
.case-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px;}
.case-item{
  background:#fff;border:1px solid rgba(255,120,50,.14);border-radius:16px;overflow:hidden;
  box-shadow:0 14px 34px -26px rgba(200,90,30,.6);
  transition:transform .22s ease,box-shadow .22s ease;
}
.case-item:hover{transform:translateY(-5px);box-shadow:0 26px 48px -26px rgba(200,90,30,.6);}
.case-media{background:#f8ede3;aspect-ratio:16/10;display:flex;align-items:center;justify-content:center;}
.case-media img{width:100%;height:100%;object-fit:contain;display:block;}
.case-body{padding:20px;}
.case-body h3{font-size:16px;margin-bottom:6px;}
.case-body p{font-size:14px;color:#6c5a4f;}

/* ---------- compare ---------- */
.score-card{
  display:flex;align-items:center;gap:26px;flex-wrap:wrap;
  background:linear-gradient(120deg,#fff4ea,#ffe7d5);
  border:1px solid rgba(255,120,50,.28);border-radius:18px;
  padding:24px 28px;margin-bottom:26px;
  box-shadow:0 20px 44px -32px rgba(200,90,30,.8);
}
.score-left{display:flex;align-items:baseline;gap:6px;flex:none;}
.score-num{font-size:44px;font-weight:800;line-height:1;color:var(--orange-deep);}
.score-total{font-size:16px;color:#8a5a3a;font-weight:700;}
.score-right{flex:1;min-width:220px;}
.stars{font-size:20px;letter-spacing:3px;color:#ff7a10;line-height:1.2;margin-bottom:6px;}
.score-right p{font-size:14.5px;color:#5d4c43;}

.table-wrap{
  overflow-x:auto;-webkit-overflow-scrolling:touch;
  background:#fff;border:1px solid rgba(255,120,50,.18);border-radius:16px;
  box-shadow:0 16px 38px -30px rgba(200,90,30,.7);
}
table{width:100%;border-collapse:collapse;min-width:700px;font-size:14.5px;background:#fff;}
thead th{
  background:linear-gradient(135deg,#fff2e6,#ffe2ce);
  color:#8a3208;font-weight:700;text-align:left;padding:14px 16px;white-space:nowrap;
}
tbody td{padding:13px 16px;border-top:1px solid rgba(255,120,50,.12);color:#4a3f38;vertical-align:top;}
tbody td:first-child{font-weight:600;color:#241b15;white-space:nowrap;}
tbody tr:hover{background:#fffaf5;}

/* ---------- token ---------- */
.token-notes{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:24px;}
.token-note{
  display:flex;align-items:center;gap:8px;font-size:13.5px;color:#7a3d14;
  background:#fff2e6;border:1px solid rgba(255,120,50,.2);border-radius:999px;padding:8px 16px;
}
.token-note::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--orange-mid);flex:none;}
.table-tip{margin-top:14px;font-size:13px;color:#8a7a6e;text-align:right;}

/* ---------- reviews ---------- */
.review-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(288px,1fr));gap:20px;}
.review{
  display:flex;flex-direction:column;gap:16px;background:#fff;
  border:1px solid rgba(255,120,50,.14);border-radius:16px;padding:22px;
  box-shadow:0 14px 34px -28px rgba(200,90,30,.7);
  transition:transform .22s ease,box-shadow .22s ease;
}
.review:hover{transform:translateY(-4px);box-shadow:0 24px 46px -26px rgba(200,90,30,.6);}
.review-text{font-size:14.5px;color:#4a3f38;}
.reviewer{display:flex;align-items:center;gap:11px;margin-top:auto;}
.avatar{
  width:38px;height:38px;border-radius:50%;flex:none;
  background:linear-gradient(135deg,#ff9a4d,#ff4d0a);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;
}
.reviewer-info strong{display:block;font-size:14px;color:#241b15;}
.reviewer-info span{display:block;font-size:12.5px;color:#8a7a6e;}

/* ---------- help ---------- */
.help-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px;}
.help-card{
  background:#fff;border:1px solid rgba(255,120,50,.14);border-radius:16px;padding:24px;
  box-shadow:0 14px 34px -28px rgba(200,90,30,.7);
}
.help-card h3{font-size:16px;margin-bottom:14px;}
.help-list{display:flex;flex-direction:column;gap:11px;}
.help-list li{display:flex;gap:9px;font-size:14px;color:#5d4c43;line-height:1.6;}
.help-list li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--orange-mid);margin-top:8px;flex:none;}
.article-list{display:flex;flex-direction:column;gap:12px;}
.article-list a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:14px;color:#3d322b;text-decoration:none;
  padding:10px 12px;border-radius:10px;background:#fffaf6;border:1px solid rgba(255,120,50,.12);
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.article-list a:hover{background:#fff1e5;color:var(--orange-deep);transform:translateX(3px);}
.article-list a::after{content:"›";font-size:17px;color:#d0764a;flex:none;line-height:1;}

/* ---------- faq ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;margin:0 auto;}
.faq-item{background:#fff;border:1px solid rgba(255,120,50,.16);border-radius:14px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;}
.faq-item.open{border-color:rgba(255,110,40,.4);box-shadow:0 16px 34px -26px rgba(200,90,30,.7);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:17px 20px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:15.5px;font-weight:600;color:#241b15;font-family:inherit;
  transition:color .2s ease;
}
.faq-q:hover{color:var(--orange-deep);}
.faq-icon{
  position:relative;width:18px;height:18px;flex:none;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;top:8px;left:0;width:18px;height:2px;border-radius:2px;
  background:var(--orange-mid);transition:transform .28s ease,opacity .28s ease;
}
.faq-icon::after{transform:rotate(90deg);}
.faq-item.open .faq-icon::after{transform:rotate(0deg);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease;}
.faq-a p{padding:0 20px 18px;font-size:14.5px;color:#6c5a4f;}

/* ---------- partner ---------- */
.partner-card{
  display:grid;grid-template-columns:1.25fr .75fr;gap:32px;align-items:center;
  background:linear-gradient(125deg,#fff3e9,#ffe3cc);
  border:1px solid rgba(255,120,50,.3);border-radius:20px;padding:36px;
  box-shadow:0 26px 56px -38px rgba(200,90,30,.9);
}
.partner-card h2{font-size:clamp(21px,2.6vw,28px);margin-bottom:12px;}
.partner-card p{color:#5d4c43;font-size:15px;margin-bottom:20px;}
.partner-side{display:flex;flex-direction:column;gap:12px;}
.partner-side .partner-line{
  display:flex;align-items:center;gap:10px;font-size:14px;color:#7a3d14;
  background:rgba(255,255,255,.75);border:1px solid rgba(255,120,50,.22);
  border-radius:12px;padding:12px 16px;
}
.partner-side .partner-line::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--orange);flex:none;}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:32px;align-items:start;}
.panel-card{
  background:#fff;border:1px solid rgba(255,120,50,.16);border-radius:18px;padding:28px;
  box-shadow:0 18px 44px -32px rgba(200,90,30,.8);
}
.panel-card h3{font-size:17px;margin-bottom:18px;}
.contact-list{display:flex;flex-direction:column;gap:0;}
.contact-list li{
  display:flex;gap:12px;justify-content:space-between;align-items:center;
  padding:11px 0;border-bottom:1px dashed rgba(255,120,50,.18);font-size:14px;color:#3d322b;
}
.contact-list li:last-child{border-bottom:0;}
.contact-list li span{color:#8a7a6e;flex:none;font-size:13.5px;}
.contact-list li a{color:var(--orange-deep);text-decoration:none;font-weight:600;word-break:break-all;text-align:right;}
.contact-list li a:hover{text-decoration:underline;}
.qr-box{
  margin-top:20px;display:flex;flex-direction:column;align-items:center;gap:10px;
  background:#fff7f1;border:1px dashed rgba(255,120,50,.35);border-radius:14px;padding:16px;
}
.qr-box img{width:150px;height:150px;object-fit:contain;border-radius:10px;background:#fff;}
.qr-box p{font-size:13px;color:#8a5a3a;}

.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{display:flex;flex-direction:column;gap:7px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:13.5px;font-weight:600;color:#4a3f38;}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border-radius:10px;font-family:inherit;font-size:14.5px;
  color:#241b15;background:#fffaf5;border:1px solid rgba(180,120,80,.3);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{min-height:112px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;background:#fff;border-color:var(--orange-mid);
  box-shadow:0 0 0 3px rgba(255,106,32,.14);
}
.form-tip{font-size:12.5px;color:#8a7a6e;text-align:center;margin-top:4px;}

/* ---------- footer ---------- */
.site-footer{
  margin-top:0;padding:46px 0 22px;
  background:#fff3e9;border-top:1px solid rgba(255,120,50,.22);
  color:#3d322b;
}
.footer-main{display:grid;grid-template-columns:1.1fr .9fr 1.4fr;gap:36px;align-items:start;}
.footer-brand .ai-page-logo{display:block;max-height:38px;width:auto;margin-bottom:12px;}
.footer-desc{font-size:13.5px;color:#6c5a4f;margin-bottom:10px;}
.footer-home{font-size:13.5px;color:var(--orange-deep);text-decoration:none;font-weight:600;}
.footer-home:hover{text-decoration:underline;}
.site-footer h2{font-size:15px;color:#241b15;margin-bottom:12px;font-weight:700;}
.footer-contact p{font-size:13.5px;color:#5d4c43;margin-bottom:6px;}
.footer-contact a{color:var(--orange-deep);text-decoration:none;}
.footer-contact a:hover{text-decoration:underline;}
.friend-links{display:flex;flex-wrap:wrap;gap:8px 10px;}
.friend-links a{
  font-size:13px;color:#6c5a4f;text-decoration:none;
  background:#fff;border:1px solid rgba(255,120,50,.2);border-radius:8px;padding:5px 12px;
  transition:color .2s ease,border-color .2s ease,transform .2s ease;
}
.friend-links a:hover{color:var(--orange-deep);border-color:rgba(255,110,40,.5);transform:translateY(-2px);}
.footer-bottom{
  margin-top:30px;padding-top:16px;border-top:1px solid rgba(255,120,50,.18);
  text-align:center;font-size:13px;color:#8a7a6e;
}

/* ---------- float ---------- */
.float-service{position:fixed;right:22px;bottom:22px;z-index:95;display:flex;flex-direction:column;align-items:flex-end;gap:12px;}
.service-btn{
  width:58px;height:58px;border-radius:50%;border:0;cursor:pointer;
  background:linear-gradient(135deg,#ff8a3d,#ff4d0a);color:#fff;
  font-size:13.5px;font-weight:700;font-family:inherit;
  box-shadow:0 14px 30px -10px rgba(255,80,20,.62);
  transition:transform .2s ease,box-shadow .2s ease;
}
.service-btn:hover{transform:translateY(-2px) scale(1.04);box-shadow:0 18px 36px -12px rgba(255,80,20,.7);}
.service-panel{
  width:228px;background:#fff;border:1px solid rgba(255,120,50,.22);border-radius:16px;padding:16px;
  box-shadow:0 24px 50px -26px rgba(180,80,20,.7);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s;
}
.service-panel.open{opacity:1;visibility:visible;transform:none;}
.service-panel .sp-title{font-size:14px;font-weight:700;color:#241b15;margin-bottom:10px;}
.service-panel .sp-line{font-size:13px;color:#5d4c43;margin-bottom:6px;word-break:break-all;}
.service-panel .sp-line a{color:var(--orange-deep);text-decoration:none;font-weight:600;}
.to-top{
  position:fixed;right:25px;bottom:92px;z-index:94;
  width:44px;height:44px;border-radius:50%;cursor:pointer;
  background:#fff;border:1px solid rgba(255,120,50,.3);color:var(--orange-deep);
  display:flex;align-items:center;justify-content:center;font-size:16px;font-family:inherit;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s;
  box-shadow:0 10px 24px -12px rgba(200,85,25,.6);
}
.to-top.show{opacity:1;visibility:visible;transform:none;}

/* ---------- reveal ---------- */
.reveal{transition:opacity .65s ease,transform .65s ease;}
.js .reveal{opacity:0;transform:translateY(20px);}
.js .reveal.in{opacity:1;transform:none;}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .nav-toggle{display:flex;}
  .nav-actions{display:none;}
  .nav-links{
    position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fffaf6;border-bottom:1px solid rgba(255,120,50,.24);
    box-shadow:0 24px 44px -30px rgba(180,80,20,.8);
    padding:8px 20px 16px;display:none;
  }
  .nav-links.open{display:flex;}
  .nav-links li{width:100%;}
  .nav-links a{padding:12px 6px;border-bottom:1px dashed rgba(255,120,50,.16);border-radius:0;}
}
@media (max-width:980px){
  .hero-grid,.about-grid,.studio-grid,.contact-grid,.partner-card{grid-template-columns:1fr;gap:32px;}
  .footer-main{grid-template-columns:1fr 1fr;gap:28px;}
  .footer-main > .footer-friends{grid-column:1 / -1;}
  .network-bar{grid-template-columns:1fr 1fr;}
  .network-item:nth-child(2){border-right:0;}
  .network-item:nth-child(1),.network-item:nth-child(2){border-bottom:1px solid rgba(255,120,50,.12);}
}
@media (max-width:768px){
  .section{padding:56px 0;}
  .hero{padding:44px 0 12px;}
  .metrics{grid-template-columns:1fr 1fr;gap:12px;margin-top:38px;}
  .metrics .metric{padding:16px 14px;}
  .metric strong{font-size:21px;}
  .form-grid{grid-template-columns:1fr;}
  .score-card{padding:20px 22px;gap:18px;}
  .score-num{font-size:36px;}
  .partner-card{padding:26px;}
  .footer-main{grid-template-columns:1fr;}
  .to-top{right:20px;bottom:86px;}
  .float-service{right:18px;bottom:18px;}
}
@media (max-width:520px){
  .network-bar{grid-template-columns:1fr;}
  .network-item{border-right:0;border-bottom:1px solid rgba(255,120,50,.12);}
  .network-item:last-child{border-bottom:0;}
  .mini-grid{grid-template-columns:1fr;}
  .media-row{grid-template-columns:1fr;}
  .hero-points{font-size:13px;}
  .service-panel{width:206px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
}