:root{
  --ink:#1E1B18;
  --ink-soft:#4A443C;
  --muted:#6E675E;
  --cream:#FFFBF4;
  --paper:#FFFFFF;
  --coral:#FF5E5B;
  --teal:#12B886;
  --amber:#FFC046;
  --violet:#7A5CFA;
  --blue:#2D7DFF;
  --line:#1E1B18;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:88px;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.72;
  color:var(--ink);
  background-color:var(--cream);
  background-image:radial-gradient(rgba(30,27,24,.085) 1.1px, transparent 1.1px);
  background-size:24px 24px;
  overflow-x:hidden;
}
img{max-width:100%;}
h1,h2,h3,h4{margin:0;color:var(--ink);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
a{color:var(--ink);}
.container{width:100%;max-width:1160px;margin:0 auto;padding:0 20px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,251,244,.95);
  border-bottom:2px solid var(--line);
  backdrop-filter:blur(8px);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  min-height:70px;
}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex:0 0 auto;}
.ai-page-logo{max-height:38px;width:auto;display:block;}
.brand-name{font-size:17px;font-weight:800;letter-spacing:.04em;white-space:nowrap;color:var(--ink);}
.site-nav{display:flex;align-items:center;}
.nav-links{display:flex;align-items:center;gap:0;margin:0;padding:0;list-style:none;}
.nav-links a{
  display:block;
  padding:8px 10px;
  font-size:14px;
  font-weight:600;
  color:var(--ink);
  text-decoration:none;
  border-radius:10px;
  white-space:nowrap;
  transition:background-color .2s ease,transform .2s ease;
}
.nav-links a:hover{background:#FFE7A3;transform:translateY(-2px);}
.menu-toggle{
  display:none;
  padding:8px 14px;
  font:inherit;
  font-size:14px;
  font-weight:700;
  color:var(--ink);
  background:#fff;
  border:2px solid var(--line);
  border-radius:12px;
  box-shadow:3px 3px 0 var(--violet);
  cursor:pointer;
}
.menu-toggle:active{transform:translate(2px,2px);box-shadow:1px 1px 0 var(--violet);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 28px;
  font-size:16px;
  font-weight:800;
  line-height:1.2;
  text-decoration:none;
  border:2px solid var(--line);
  border-radius:14px;
  cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease;
}
.btn-primary{background:var(--amber);color:var(--ink);box-shadow:5px 5px 0 var(--line);}
.btn-primary:hover{transform:translate(-2px,-2px);box-shadow:7px 7px 0 var(--line);}
.btn-primary:active{transform:translate(2px,2px);box-shadow:2px 2px 0 var(--line);}
.btn-ghost{background:#fff;color:var(--ink);box-shadow:5px 5px 0 var(--violet);}
.btn-ghost:hover{transform:translate(-2px,-2px);box-shadow:7px 7px 0 var(--violet);}
.btn-ghost:active{transform:translate(2px,2px);box-shadow:2px 2px 0 var(--violet);}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:12px;box-shadow:4px 4px 0 var(--line);}
.btn-block{width:100%;}

/* ---------- hero ---------- */
.hero{position:relative;padding:58px 0 64px;overflow:hidden;}
.hero-grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:48px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 15px;
  font-size:13px;
  font-weight:800;
  letter-spacing:.06em;
  color:var(--ink);
  background:#FFE7A3;
  border:2px solid var(--line);
  border-radius:999px;
  box-shadow:3px 3px 0 var(--coral);
}
.hero h1{
  margin:20px 0 16px;
  font-size:clamp(30px,4.6vw,50px);
  line-height:1.15;
  font-weight:900;
  letter-spacing:-.015em;
}
.hl{background:linear-gradient(transparent 60%,var(--amber) 60%);padding:0 3px;border-radius:2px;}
.hero-lead{max-width:560px;font-size:16px;color:var(--ink-soft);}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 20px;margin-top:26px;font-size:14px;font-weight:700;color:var(--ink-soft);}
.hero-points li{display:flex;align-items:center;gap:8px;}
.hero-points li::before{content:"";display:block;width:9px;height:9px;border-radius:50%;background:var(--teal);border:1.5px solid var(--line);}
.hero-points li:nth-child(2)::before{background:var(--coral);}
.hero-points li:nth-child(3)::before{background:var(--violet);}

.hero-visual{position:relative;isolation:isolate;}
.hero-visual::before{
  content:"";
  position:absolute;
  top:-20px;right:-12px;
  width:66px;height:66px;
  border-radius:20px;
  background:var(--teal);
  border:2px solid var(--line);
  transform:rotate(14deg);
  z-index:-1;
}
.hero-visual::after{
  content:"";
  position:absolute;
  bottom:-18px;left:-16px;
  width:52px;height:52px;
  border-radius:50%;
  background:var(--coral);
  border:2px solid var(--line);
  z-index:-1;
}
.canvas-card{
  background:#fff;
  border:2px solid var(--line);
  border-radius:22px;
  padding:20px;
  box-shadow:10px 10px 0 var(--amber);
  animation:floaty 7s ease-in-out infinite;
}
@keyframes floaty{
  0%,100%{transform:rotate(-1.2deg) translateY(0);}
  50%{transform:rotate(-1.2deg) translateY(-9px);}
}
.canvas-top{display:flex;align-items:center;gap:8px;padding-bottom:14px;margin-bottom:6px;border-bottom:2px dashed #DCD4C5;}
.dot{display:block;width:10px;height:10px;border-radius:50%;border:1.5px solid var(--line);}
.dot-r{background:var(--coral);}
.dot-a{background:var(--amber);}
.dot-t{background:var(--teal);}
.canvas-label{margin-left:auto;font-size:12.5px;font-weight:800;color:var(--muted);letter-spacing:.04em;}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0 18px;}
.chip{
  display:inline-block;
  padding:5px 12px;
  font-size:13px;
  font-weight:700;
  color:var(--ink);
  background:#fff;
  border:2px solid var(--line);
  border-radius:999px;
}
.chip:nth-child(6n+1){background:#FFE0DE;}
.chip:nth-child(6n+2){background:#FFF0C7;}
.chip:nth-child(6n+3){background:#D8F5EA;}
.chip:nth-child(6n+4){background:#E6E0FF;}
.chip:nth-child(6n+5){background:#DDEBFF;}
.chip:nth-child(6n+6){background:#F6E8D8;}
.canvas-foot{
  padding:10px 14px;
  font-size:13px;
  font-weight:800;
  text-align:center;
  color:var(--ink);
  background:#FFF6DC;
  border:2px dashed var(--line);
  border-radius:12px;
}

/* ---------- stats ---------- */
.stats{padding:0 0 64px;}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.stat{
  padding:22px 20px;
  background:#fff;
  border:2px solid var(--line);
  border-radius:16px;
  box-shadow:5px 5px 0 rgba(30,27,24,.1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.stat:hover{transform:translateY(-5px);box-shadow:7px 7px 0 var(--amber);}
.stat-num{display:block;font-size:30px;font-weight:900;line-height:1.2;letter-spacing:-.02em;}
.stat:nth-child(1) .stat-num{color:var(--coral);}
.stat:nth-child(2) .stat-num{color:var(--teal);}
.stat:nth-child(3) .stat-num{color:var(--violet);}
.stat:nth-child(4) .stat-num{color:var(--blue);}
.stat-label{display:block;margin-top:4px;font-size:14px;font-weight:600;color:var(--ink-soft);}

/* ---------- section base ---------- */
.section{padding:62px 0;}
.section-head{max-width:720px;margin:0 auto 42px;text-align:center;}
.kicker{
  display:inline-block;
  padding:5px 14px;
  margin-bottom:14px;
  font-size:13px;
  font-weight:800;
  letter-spacing:.1em;
  color:var(--ink);
  background:#fff;
  border:2px solid var(--line);
  border-radius:999px;
  box-shadow:3px 3px 0 var(--violet);
}
.kicker--amber{box-shadow:3px 3px 0 var(--amber);}
.kicker--teal{box-shadow:3px 3px 0 var(--teal);}
.kicker--coral{box-shadow:3px 3px 0 var(--coral);}
.section-head h2{
  font-size:clamp(23px,3.2vw,34px);
  line-height:1.3;
  font-weight:900;
  letter-spacing:-.01em;
}
.section-head h2::after{
  content:"";
  display:block;
  width:66px;height:8px;
  margin:16px auto 0;
  border-radius:99px;
  background:linear-gradient(90deg,var(--coral),var(--amber),var(--teal),var(--violet));
}
.section-head p{margin-top:16px;font-size:15.5px;color:var(--ink-soft);}

/* ---------- card ---------- */
.card{
  background:#fff;
  border:2px solid var(--line);
  border-radius:18px;
  padding:24px;
  box-shadow:5px 5px 0 rgba(30,27,24,.1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.card:hover{transform:translateY(-5px);box-shadow:8px 8px 0 rgba(30,27,24,.16);}
.card h3{font-size:17.5px;font-weight:800;margin-bottom:8px;}
.card p{font-size:14.5px;color:var(--ink-soft);}
.card-badge{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:40px;height:40px;
  margin-bottom:14px;
  font-size:15px;
  font-weight:900;
  color:var(--ink);
  background:#FFE7A3;
  border:2px solid var(--line);
  border-radius:12px;
}

/* ---------- about ---------- */
.about-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.about-grid .card:nth-child(1) .card-badge{background:#FFE0DE;}
.about-grid .card:nth-child(2) .card-badge{background:#D8F5EA;}
.about-grid .card:nth-child(3) .card-badge{background:#E6E0FF;}
.about-grid .card:nth-child(4) .card-badge{background:#DDEBFF;}
.about-grid .card:nth-child(5) .card-badge{background:#FFF0C7;}
.about-grid .card:nth-child(6) .card-badge{background:#F6E8D8;}

/* ---------- services ---------- */
.service-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.service-item{
  display:flex;
  gap:16px;
  align-items:flex-start;
  padding:22px;
  background:#fff;
  border:2px solid var(--line);
  border-radius:16px;
  box-shadow:4px 4px 0 rgba(30,27,24,.09);
  transition:transform .2s ease,box-shadow .2s ease;
}
.service-item:hover{transform:translateY(-4px);box-shadow:7px 7px 0 var(--c,var(--amber));}
.service-idx{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:44px;height:44px;
  font-size:15px;
  font-weight:900;
  color:var(--ink);
  background:var(--c,var(--amber));
  border:2px solid var(--line);
  border-radius:12px;
}
.service-item h3{font-size:17px;font-weight:800;margin-bottom:6px;}
.service-item p{font-size:14.5px;color:var(--ink-soft);}

/* ---------- studio ---------- */
.studio-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:start;}
.media-frame{
  margin:0;
  background:#F3EDE1;
  border:2px solid var(--line);
  border-radius:16px;
  overflow:hidden;
  box-shadow:5px 5px 0 rgba(30,27,24,.1);
}
.media-frame img{display:block;width:100%;height:auto;}
.media-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:16px;align-items:start;}
.studio-text h3{font-size:20px;font-weight:900;margin-bottom:12px;}
.studio-text p{font-size:15px;color:var(--ink-soft);}
.scene-list{display:flex;flex-wrap:wrap;gap:9px;margin-top:20px;}
.scene-list li{
  padding:6px 13px;
  font-size:13.5px;
  font-weight:700;
  color:var(--ink);
  background:#fff;
  border:2px solid var(--line);
  border-radius:999px;
}
.scene-list li:nth-child(4n+1){background:#FFF0C7;}
.scene-list li:nth-child(4n+2){background:#D8F5EA;}
.scene-list li:nth-child(4n+3){background:#E6E0FF;}
.scene-list li:nth-child(4n+4){background:#FFE0DE;}

/* ---------- solutions ---------- */
.solution-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.solution-card{
  padding:22px 20px;
  background:#fff;
  border:2px solid var(--line);
  border-radius:16px;
  box-shadow:5px 5px 0 rgba(30,27,24,.1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.solution-card:hover{transform:translateY(-5px);box-shadow:6px 6px 0 var(--violet);}
.solution-card h3{font-size:16.5px;font-weight:800;margin-bottom:10px;}
.solution-card p{font-size:14px;color:var(--ink-soft);}

/* ---------- network ---------- */
.network-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.network-card{
  padding:20px;
  background:#FFFDF7;
  border:2px dashed var(--line);
  border-radius:16px;
  transition:background-color .2s ease,transform .2s ease;
}
.network-card:hover{background:#fff;transform:translateY(-4px);}
.network-card h3{font-size:16px;font-weight:800;margin-bottom:8px;}
.network-card p{font-size:14px;color:var(--ink-soft);word-break:break-all;}

/* ---------- process ---------- */
.process-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;}
.step{
  position:relative;
  padding:24px 18px;
  background:#fff;
  border:2px solid var(--line);
  border-radius:16px;
  box-shadow:5px 5px 0 rgba(30,27,24,.1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.step:hover{transform:translateY(-5px);box-shadow:6px 6px 0 var(--c,var(--amber));}
.step-num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:34px;height:34px;
  margin-bottom:12px;
  font-size:14px;
  font-weight:900;
  color:var(--ink);
  background:var(--c,var(--amber));
  border:2px solid var(--line);
  border-radius:10px;
}
.step h3{font-size:15.5px;font-weight:800;margin-bottom:6px;}
.step p{font-size:13.5px;color:var(--ink-soft);}

/* ---------- table ---------- */
.table-wrap{
  overflow-x:auto;
  background:#fff;
  border:2px solid var(--line);
  border-radius:16px;
  box-shadow:6px 6px 0 rgba(30,27,24,.1);
  -webkit-overflow-scrolling:touch;
}
table{width:100%;min-width:660px;border-collapse:collapse;font-size:14.5px;}
th,td{padding:14px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #E7E0D2;}
thead th{background:var(--ink);color:#FFF8EC;font-weight:800;font-size:14px;letter-spacing:.02em;}
tbody tr:nth-child(even){background:#FFFCF6;}
tbody tr:last-child td{border-bottom:none;}
td.col-own{background:#FFF3CC;font-weight:700;color:var(--ink);}
.table-note{margin-top:14px;font-size:13.5px;color:var(--muted);text-align:center;}

/* ---------- cases ---------- */
.cases-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:32px;align-items:start;}
.case-list{display:grid;gap:14px;}
.case-item{
  padding:18px 20px;
  background:#fff;
  border:2px solid var(--line);
  border-radius:16px;
  box-shadow:4px 4px 0 rgba(30,27,24,.09);
  transition:transform .2s ease,box-shadow .2s ease;
}
.case-item:hover{transform:translateX(4px);box-shadow:6px 6px 0 var(--c,var(--teal));}
.case-item h3{font-size:16px;font-weight:800;margin-bottom:6px;}
.case-item p{font-size:14px;color:var(--ink-soft);}
.case-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px;}
.case-tags span{
  padding:3px 10px;
  font-size:12.5px;
  font-weight:700;
  background:#FFF6DC;
  border:1.5px solid var(--line);
  border-radius:999px;
}

/* ---------- compare ---------- */
.rate-box{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:22px;
  padding:28px;
  margin-bottom:30px;
  background:#FFF6DC;
  border:2px solid var(--line);
  border-radius:20px;
  box-shadow:8px 8px 0 var(--amber);
}
.rate-left{flex:1 1 300px;}
.rate-stars{font-size:24px;letter-spacing:4px;color:#FF9500;line-height:1;}
.rate-title{margin-top:10px;font-size:19px;font-weight:900;}
.rate-desc{margin-top:6px;font-size:14.5px;color:var(--ink-soft);}
.rate-score{display:flex;align-items:baseline;gap:8px;flex:0 0 auto;}
.rate-score strong{font-size:46px;font-weight:900;line-height:1;color:var(--coral);}
.rate-score span{font-size:15px;font-weight:700;color:var(--ink-soft);}

/* ---------- reviews ---------- */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.review-card{
  display:flex;
  flex-direction:column;
  padding:24px;
  background:#fff;
  border:2px solid var(--line);
  border-radius:18px;
  box-shadow:5px 5px 0 rgba(30,27,24,.1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.review-card:hover{transform:translateY(-5px);box-shadow:7px 7px 0 var(--teal);}
.review-mark{font-size:28px;font-weight:900;line-height:1;color:var(--amber);margin-bottom:8px;}
.review-card p{font-size:14.5px;color:var(--ink-soft);flex:1 1 auto;}
.review-author{display:flex;align-items:center;gap:12px;margin-top:18px;padding-top:16px;border-top:2px dashed #E7E0D2;}
.avatar{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:42px;height:42px;
  font-size:16px;
  font-weight:900;
  color:var(--ink);
  border:2px solid var(--line);
  border-radius:50%;
}
.review-author strong{display:block;font-size:14.5px;font-weight:800;}
.review-author small{display:block;font-size:12.5px;color:var(--muted);}

/* ---------- partner ---------- */
.partner-box{
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:32px;
  align-items:center;
  padding:38px;
  background:#E6E0FF;
  border:2px solid var(--line);
  border-radius:24px;
  box-shadow:9px 9px 0 var(--violet);
}
.partner-box h2{font-size:clamp(21px,2.6vw,28px);font-weight:900;line-height:1.32;margin-bottom:12px;}
.partner-box p{font-size:15px;color:var(--ink-soft);}
.partner-box .btn{margin-top:24px;}
.partner-list{display:grid;gap:12px;}
.partner-list li{
  display:flex;
  align-items:center;
  gap:10px;
  padding:12px 16px;
  font-size:14.5px;
  font-weight:700;
  background:#fff;
  border:2px solid var(--line);
  border-radius:12px;
}
.partner-list li::before{
  content:"";
  flex:0 0 auto;
  width:9px;height:9px;
  border-radius:50%;
  background:var(--teal);
  border:1.5px solid var(--line);
}

/* ---------- help ---------- */
.help-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.help-card{
  padding:22px 20px;
  background:#fff;
  border:2px solid var(--line);
  border-radius:16px;
  box-shadow:5px 5px 0 rgba(30,27,24,.1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.help-card:hover{transform:translateY(-5px);box-shadow:6px 6px 0 var(--coral);}
.help-card h3{font-size:16px;font-weight:800;margin-bottom:8px;}
.help-card p{font-size:14px;color:var(--ink-soft);}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:14px;max-width:900px;margin:0 auto;}
.faq-item{
  background:#fff;
  border:2px solid var(--line);
  border-radius:16px;
  box-shadow:4px 4px 0 rgba(30,27,24,.09);
  overflow:hidden;
  transition:box-shadow .2s ease;
}
.faq-item.is-open{box-shadow:6px 6px 0 var(--amber);}
.faq-q{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  width:100%;
  padding:17px 20px;
  font:inherit;
  font-size:16px;
  font-weight:800;
  color:var(--ink);
  text-align:left;
  background:none;
  border:none;
  cursor:pointer;
}
.faq-q::after{
  content:"+";
  flex:0 0 auto;
  font-size:22px;
  font-weight:700;
  line-height:1;
  color:var(--coral);
  transition:transform .25s ease;
}
.faq-item.is-open .faq-q::after{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease;}
.faq-a p{padding:0 20px 18px;font-size:14.5px;color:var(--ink-soft);}

/* ---------- wiki / tags ---------- */
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;max-width:900px;margin:0 auto;}
.tag-cloud li{
  padding:8px 16px;
  font-size:14px;
  font-weight:700;
  background:#fff;
  border:2px solid var(--line);
  border-radius:999px;
  transition:transform .2s ease,background-color .2s ease;
}
.tag-cloud li:hover{transform:translateY(-3px) rotate(-1.5deg);}
.tag-cloud li:nth-child(5n+1){background:#FFE0DE;}
.tag-cloud li:nth-child(5n+2){background:#FFF0C7;}
.tag-cloud li:nth-child(5n+3){background:#D8F5EA;}
.tag-cloud li:nth-child(5n+4){background:#E6E0FF;}
.tag-cloud li:nth-child(5n+5){background:#DDEBFF;}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.news-card{
  display:flex;
  flex-direction:column;
  padding:22px;
  background:#fff;
  border:2px solid var(--line);
  border-radius:16px;
  text-decoration:none;
  box-shadow:5px 5px 0 rgba(30,27,24,.1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.news-card:hover{transform:translateY(-5px);box-shadow:7px 7px 0 var(--blue);}
.news-card h3{font-size:16px;font-weight:800;margin-bottom:8px;line-height:1.5;}
.news-card p{font-size:14px;color:var(--ink-soft);flex:1 1 auto;}
.news-more{display:inline-block;margin-top:14px;font-size:13.5px;font-weight:800;color:var(--blue);}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:start;}
.form-card{
  padding:30px;
  background:#fff;
  border:2px solid var(--line);
  border-radius:20px;
  box-shadow:8px 8px 0 var(--teal);
}
.form-card h3{font-size:19px;font-weight:900;margin-bottom:6px;}
.form-card > p{font-size:14px;color:var(--muted);margin-bottom:22px;}
.form-field{margin-bottom:16px;}
.form-field label{display:block;margin-bottom:6px;font-size:14px;font-weight:800;color:var(--ink);}
.form-field input,
.form-field select,
.form-field textarea{
  width:100%;
  padding:12px 14px;
  font:inherit;
  font-size:15px;
  color:var(--ink);
  background:#FFFDF8;
  border:2px solid var(--line);
  border-radius:12px;
  transition:box-shadow .2s ease,background-color .2s ease;
}
.form-field textarea{min-height:112px;resize:vertical;}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus{
  outline:none;
  background:#fff;
  box-shadow:0 0 0 4px rgba(255,192,70,.6);
}
.form-tip{margin-top:12px;font-size:13px;color:var(--muted);}
.contact-side{padding:28px;background:#FFF6DC;border:2px solid var(--line);border-radius:20px;box-shadow:8px 8px 0 var(--amber);}
.contact-side h3{font-size:18px;font-weight:900;margin-bottom:16px;}
.contact-list{display:grid;gap:12px;}
.contact-list li{font-size:14.5px;color:var(--ink-soft);word-break:break-all;}
.contact-list strong{display:inline-block;min-width:76px;color:var(--ink);font-weight:800;}
.qr-box{margin-top:20px;padding-top:20px;border-top:2px dashed #D8CDB4;}
.qr-box img{display:block;width:150px;max-width:100%;height:auto;border:2px solid var(--line);border-radius:12px;background:#fff;}
.qr-box p{margin-top:10px;font-size:13.5px;font-weight:700;color:var(--ink-soft);}

/* ---------- footer ---------- */
.site-footer{
  margin-top:20px;
  padding:52px 0 0;
  background:var(--ink);
  border-top:6px solid var(--amber);
  color:#EDE7DC;
}
.footer-top{display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:32px;align-items:start;}
.footer-brand h3{font-size:19px;font-weight:900;color:#fff;margin-bottom:12px;}
.footer-brand p{font-size:14px;color:#C9C1B4;}
.footer-col h3{font-size:15px;font-weight:800;color:#fff;margin-bottom:14px;}
.footer-col ul{display:grid;gap:9px;}
.footer-col li{font-size:14px;color:#C9C1B4;word-break:break-all;}
.footer-col a{color:#F2ECE0;text-decoration:none;border-bottom:1px solid rgba(255,255,255,.3);transition:color .2s ease,border-color .2s ease;}
.footer-col a:hover{color:var(--amber);border-color:var(--amber);}
.footer-links{margin-top:32px;padding-top:24px;border-top:1px solid rgba(255,255,255,.14);}
.footer-links h3{font-size:15px;font-weight:800;color:#fff;margin-bottom:14px;}
.friends{display:flex;flex-wrap:wrap;gap:10px;}
.friends a{
  padding:6px 13px;
  font-size:13.5px;
  color:#F2ECE0;
  text-decoration:none;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.2);
  border-radius:999px;
  transition:background-color .2s ease,color .2s ease,transform .2s ease;
}
.friends a:hover{background:var(--amber);color:var(--ink);transform:translateY(-2px);border-color:var(--amber);}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  margin-top:26px;
  padding:18px 0 22px;
  border-top:1px solid rgba(255,255,255,.14);
  font-size:13px;
  color:#B7AFA2;
}
.footer-bottom a{color:#F2ECE0;text-decoration:none;border-bottom:1px solid rgba(255,255,255,.3);}
.footer-bottom a:hover{color:var(--amber);}

/* ---------- side tools ---------- */
.side-tools{position:fixed;right:18px;bottom:22px;z-index:120;display:flex;flex-direction:column;align-items:flex-end;gap:12px;}
.fab{
  padding:12px 20px;
  font:inherit;
  font-size:14px;
  font-weight:800;
  color:var(--ink);
  background:var(--amber);
  border:2px solid var(--line);
  border-radius:999px;
  box-shadow:4px 4px 0 var(--line);
  cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease;
}
.fab:hover{transform:translate(-2px,-2px);box-shadow:6px 6px 0 var(--line);}
.fab:active{transform:translate(2px,2px);box-shadow:1px 1px 0 var(--line);}
.to-top{
  width:44px;height:44px;
  font:inherit;
  font-size:18px;
  font-weight:800;
  color:var(--ink);
  background:#fff;
  border:2px solid var(--line);
  border-radius:50%;
  box-shadow:4px 4px 0 var(--violet);
  cursor:pointer;
  opacity:0;
  visibility:hidden;
  transform:translateY(8px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
}
.to-top.is-show{opacity:1;visibility:visible;transform:none;}
.fab-panel{
  position:absolute;
  right:0;
  bottom:calc(100% + 12px);
  width:236px;
  padding:18px;
  background:#fff;
  border:2px solid var(--line);
  border-radius:16px;
  box-shadow:6px 6px 0 var(--amber);
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
}
.fab-panel.is-open{opacity:1;visibility:visible;transform:none;}
.fab-panel img{display:block;width:100%;height:auto;border:2px solid var(--line);border-radius:10px;background:#fff;}
.fab-title{font-size:14px;font-weight:900;margin-bottom:10px;}
.fab-line{margin-top:8px;font-size:13px;font-weight:600;color:var(--ink-soft);word-break:break-all;}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .65s cubic-bezier(.2,.7,.3,1),transform .65s cubic-bezier(.2,.7,.3,1);}
.reveal.is-visible{opacity:1;transform:none;}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .menu-toggle{display:inline-flex;}
  .site-nav{
    display:none;
    position:absolute;
    top:100%;
    left:0;
    right:0;
    background:var(--cream);
    border-bottom:2px solid var(--line);
    padding:14px 20px 18px;
    box-shadow:0 18px 30px rgba(30,27,24,.1);
  }
  .site-nav.is-open{display:block;}
  .nav-links{flex-direction:column;align-items:stretch;gap:0;}
  .nav-links a{padding:12px 14px;font-size:15px;border-radius:12px;}
}
@media (max-width:960px){
  .hero{padding:44px 0 52px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-visual{max-width:440px;margin:0 auto;}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .about-grid{grid-template-columns:repeat(2,1fr);}
  .service-grid{grid-template-columns:1fr;}
  .studio-grid{grid-template-columns:1fr;gap:26px;}
  .solution-grid{grid-template-columns:repeat(2,1fr);}
  .network-grid{grid-template-columns:repeat(2,1fr);}
  .process-grid{grid-template-columns:repeat(2,1fr);}
  .cases-layout{grid-template-columns:1fr;gap:26px;}
  .review-grid{grid-template-columns:repeat(2,1fr);}
  .partner-box{grid-template-columns:1fr;padding:28px;}
  .help-grid{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .contact-grid{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr 1fr;}
}
@media (max-width:640px){
  .section{padding:48px 0;}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:12px;}
  .about-grid{grid-template-columns:1fr;}
  .solution-grid{grid-template-columns:1fr;}
  .network-grid{grid-template-columns:1fr;}
  .process-grid{grid-template-columns:1fr;}
  .review-grid{grid-template-columns:1fr;}
  .help-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .media-row{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr;}
  .rate-score strong{font-size:38px;}
  .hero-actions .btn{width:100%;}
  .form-card{padding:22px;}
  .contact-side{padding:22px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;}
}