:root{
  --pink:#e6195f;
  --pink-d:#bf0f4c;
  --pink-soft:#ffe4ee;
  --ink:#241a20;
  --ink-2:#5f4c55;
  --ink-3:#8a7580;
  --line:#f6d8e4;
  --radius:18px;
  --shadow-s:0 6px 20px rgba(230,25,95,.07);
  --shadow-m:0 14px 34px rgba(230,25,95,.13);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  color:var(--ink);
  font-size:16px;
  line-height:1.7;
  background-color:#fff7fa;
  background-image:
    radial-gradient(760px 420px at 6% -4%, #ffe1ed 0%, rgba(255,225,237,0) 62%),
    radial-gradient(820px 520px at 98% 12%, #ffeef5 0%, rgba(255,238,245,0) 58%),
    linear-gradient(180deg,#fff7fa 0%,#fffdfe 38%,#fff4f9 72%,#fff7fa 100%);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none;margin:0;padding:0}
button{font-family:inherit}
p{margin:0}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
section[id],div[id]{scroll-margin-top:86px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 27px;border-radius:999px;font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .25s ease, box-shadow .25s ease, background-color .25s ease, color .25s ease;
}
.btn-primary{
  background:linear-gradient(135deg,#f43a78 0%,#d0114f 100%);
  color:#fff;box-shadow:0 12px 26px rgba(208,17,79,.28);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(208,17,79,.34)}
.btn-primary:active{transform:translateY(0);box-shadow:0 8px 18px rgba(208,17,79,.26)}
.btn-ghost{background:#fff;color:var(--pink-d);border-color:rgba(230,25,95,.3)}
.btn-ghost:hover{background:#ffeaf2;transform:translateY(-2px)}
.btn-sm{padding:9px 20px;font-size:14px}
.btn-block{width:100%}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,249,251,.93);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(230,25,95,.12);
}
.nav-bar{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:70px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand .ai-page-logo{max-height:36px;width:auto;max-width:150px;object-fit:contain}
.brand-name{font-size:17px;font-weight:800;color:#23161c;letter-spacing:.02em;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:0;flex-wrap:nowrap}
.nav-links a{
  display:block;padding:8px 10px;font-size:14.5px;color:#4d3a43;border-radius:999px;
  white-space:nowrap;transition:color .2s ease, background-color .2s ease;
}
.nav-links a:hover{color:var(--pink-d);background:#ffeaf2}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:4px;
  width:42px;height:38px;padding:0 10px;background:#fff;
  border:1px solid rgba(230,25,95,.28);border-radius:10px;cursor:pointer;
}
.nav-toggle span{display:block;height:2px;background:var(--pink-d);border-radius:2px;transition:transform .25s ease, opacity .25s ease}
.nav-toggle.active span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding:68px 0 76px}
.hero::before{
  content:"";position:absolute;top:-180px;right:-140px;width:560px;height:560px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,132,178,.35) 0%,rgba(255,132,178,0) 66%);
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;bottom:-160px;left:-120px;width:420px;height:420px;border-radius:50%;
  border:1px dashed rgba(230,25,95,.22);pointer-events:none;
}
.hero .container{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:46px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 15px;border-radius:999px;
  background:rgba(230,25,95,.09);color:var(--pink-d);font-size:13px;font-weight:700;letter-spacing:.02em;
}
.hero h1{
  font-size:clamp(28px,4.3vw,44px);line-height:1.28;margin:18px 0 0;
  font-weight:800;letter-spacing:-.01em;color:#22161c;
}
.hl{color:var(--pink-d)}
.hero-lead{margin:18px 0 0;font-size:16px;color:var(--ink-2);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:26px}
.hero-points li{position:relative;padding-left:18px;font-size:14px;color:#6b5760}
.hero-points li::before{
  content:"";position:absolute;left:0;top:8px;width:8px;height:8px;border-radius:50%;
  background:linear-gradient(135deg,#f43a78,#ff9dbb);
}
.hero-panel{
  background:linear-gradient(160deg,rgba(255,255,255,.96),rgba(255,238,245,.95));
  border:1px solid rgba(230,25,95,.16);border-radius:26px;padding:22px;
  box-shadow:0 24px 60px rgba(230,25,95,.12);
}
.metric-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.metric{
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px 16px;
  box-shadow:var(--shadow-s);transition:transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.metric:hover{transform:translateY(-4px);border-color:rgba(230,25,95,.3);box-shadow:var(--shadow-m)}
.metric strong{display:block;font-size:24px;font-weight:800;color:#d0114f;line-height:1.2;letter-spacing:-.01em}
.metric .unit{font-size:13px;font-weight:600;margin-left:2px;color:#d0114f}
.metric span{display:block;margin-top:6px;font-size:13px;color:#6b5760}

/* ---------- section ---------- */
.section{padding:62px 0}
.section-head{max-width:780px;margin:0 auto 34px;text-align:center}
.section-head h2{
  font-size:clamp(23px,3vw,32px);line-height:1.35;margin:12px 0 12px;
  font-weight:800;color:#23161c;letter-spacing:-.01em;
}
.section-head p{color:var(--ink-2);font-size:15.5px}

/* ---------- about cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(258px,1fr));gap:18px}
.info-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:18px;
  padding:26px 22px 22px;box-shadow:var(--shadow-s);
  transition:transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.info-card::before{
  content:"";position:absolute;left:22px;top:0;width:38px;height:3px;
  border-radius:0 0 4px 4px;background:linear-gradient(90deg,#f43a78,#ff9dbb);
}
.info-card:hover{transform:translateY(-5px);border-color:rgba(230,25,95,.3);box-shadow:var(--shadow-m)}
.info-card h3{font-size:17px;margin:0 0 10px;color:#2a1a21}
.info-card p{font-size:14.5px;color:var(--ink-2);line-height:1.75}

/* ---------- scene cards ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(262px,1fr));gap:18px}
.scene-card{
  background:linear-gradient(180deg,#ffffff 0%,#fff8fb 100%);
  border:1px solid var(--line);border-radius:18px;padding:22px;
  box-shadow:var(--shadow-s);
  transition:transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.scene-card:hover{transform:translateY(-5px);border-color:rgba(230,25,95,.35);box-shadow:0 18px 38px rgba(230,25,95,.14)}
.scene-card h3{font-size:16.5px;margin:0 0 8px;color:#2a1a21}
.scene-card p{font-size:14.5px;color:var(--ink-2);line-height:1.75}

/* ---------- tag cloud ---------- */
.block-label{margin:34px 0 14px;font-size:15px;font-weight:700;color:#3a2830;text-align:center}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;max-width:960px;margin:0 auto}
.tag{
  display:inline-block;background:#fff;border:1px solid rgba(230,25,95,.2);
  color:#b2154f;font-size:13.5px;padding:7px 15px;border-radius:999px;
  transition:background-color .25s ease, transform .25s ease, border-color .25s ease;
}
.tag:hover{background:#ffeaf2;border-color:rgba(230,25,95,.42);transform:translateY(-2px)}
.tag-cloud.models .tag{background:#ffe4ee;border-color:rgba(230,25,95,.16);color:#a80f45}

/* ---------- flow panel ---------- */
.flow-panel{
  position:relative;overflow:hidden;border-radius:28px;padding:44px 34px;
  background:linear-gradient(135deg,#2b1020 0%,#55112f 52%,#8a1445 100%);
  box-shadow:0 24px 50px rgba(90,10,44,.28);
}
.flow-panel::after{
  content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,120,170,.4) 0%,rgba(255,120,170,0) 70%);
  pointer-events:none;
}
.flow-inner{position:relative;z-index:1}
.flow-head{max-width:720px}
.flow-head h2{font-size:clamp(23px,3vw,31px);line-height:1.35;margin:0 0 12px;color:#fff;font-weight:800}
.flow-head p{color:#ffd6e4;font-size:15px}
.flow-steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(186px,1fr));gap:14px;margin-top:30px}
.flow-step{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);
  border-radius:16px;padding:18px;transition:transform .3s ease, background-color .3s ease;
}
.flow-step:hover{transform:translateY(-4px);background:rgba(255,255,255,.15)}
.flow-step .num{
  display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;
  border-radius:50%;background:#ff4f8b;color:#fff;font-size:13px;font-weight:800;margin-bottom:10px;
}
.flow-step h3{font-size:15.5px;margin:0 0 6px;color:#fff}
.flow-step p{font-size:13.5px;color:#ffd3e2;line-height:1.7}

/* ---------- solutions ---------- */
.solution-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(330px,1fr));gap:16px}
.solution-item{
  display:flex;gap:14px;align-items:flex-start;background:#fff;
  border-left:3px solid #f43a78;border-radius:14px;padding:18px 20px;
  box-shadow:var(--shadow-s);transition:transform .3s ease, box-shadow .3s ease;
}
.solution-item:hover{transform:translateX(4px);box-shadow:var(--shadow-m)}
.solution-item h3{font-size:15.5px;margin:0 0 4px;color:#2a1a21;flex:0 0 auto}
.solution-item p{font-size:14.5px;color:var(--ink-2);line-height:1.75}

/* ---------- network ---------- */
.network-bar{display:grid;grid-template-columns:repeat(auto-fit,minmax(228px,1fr));gap:16px}
.net-item{
  border:1px dashed rgba(230,25,95,.36);border-radius:16px;padding:20px;
  background:rgba(255,255,255,.72);transition:background-color .3s ease, transform .3s ease;
}
.net-item:hover{background:#fff;transform:translateY(-3px)}
.net-item h3{font-size:15.5px;margin:0 0 8px;color:#c00f4d}
.net-item p{font-size:14px;color:var(--ink-2);line-height:1.75}

/* ---------- process ---------- */
.step-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px}
.step{
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px 20px;
  box-shadow:var(--shadow-s);transition:transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.step:hover{transform:translateY(-4px);border-color:rgba(230,25,95,.3);box-shadow:var(--shadow-m)}
.step-num{
  display:flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:50%;
  background:#ffe4ee;color:#c00f4d;font-weight:800;font-size:14px;margin-bottom:12px;
}
.step h3{font-size:15.5px;margin:0 0 6px;color:#2a1a21}
.step p{font-size:14px;color:var(--ink-2);line-height:1.75}

/* ---------- cases ---------- */
.case-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(288px,1fr));gap:20px}
.case-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:18px;overflow:hidden;box-shadow:var(--shadow-s);
  transition:transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.case-card:hover{transform:translateY(-5px);border-color:rgba(230,25,95,.3);box-shadow:var(--shadow-m)}
.case-media{aspect-ratio:16/10;background:#fdeaf1;overflow:hidden}
.case-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.case-card:hover .case-media img{transform:scale(1.05)}
.case-body{padding:18px 20px 20px}
.case-body h3{font-size:16px;margin:0 0 6px;color:#2a1a21}
.case-body p{font-size:14px;color:var(--ink-2);line-height:1.7}

/* ---------- rating ---------- */
.rating-card{
  display:grid;grid-template-columns:auto 1fr;gap:28px;align-items:center;
  background:linear-gradient(120deg,#fff0f6 0%,#fff7fa 100%);
  border:1px solid rgba(230,25,95,.22);border-radius:22px;
  padding:28px 30px;margin-bottom:26px;box-shadow:var(--shadow-s);
}
.rating-score{font-size:52px;font-weight:800;color:#d0114f;line-height:1;letter-spacing:-.02em}
.rating-score span{font-size:18px;font-weight:600;color:#a80f45;margin-left:2px}
.stars{color:#f43a78;letter-spacing:4px;font-size:17px;margin-bottom:8px}
.rating-body p{font-size:14.5px;color:var(--ink-2);line-height:1.8}

/* ---------- table ---------- */
.table-wrap{
  overflow-x:auto;border-radius:18px;border:1px solid var(--line);
  background:#fff;box-shadow:var(--shadow-s);
}
.data-table{width:100%;border-collapse:collapse;min-width:700px;font-size:14.5px}
.data-table th,.data-table td{padding:14px 18px;text-align:left;border-bottom:1px solid #f7e2ea;vertical-align:top}
.data-table thead th{background:#fff0f6;color:#a80f45;font-weight:700;white-space:nowrap}
.data-table tbody tr:last-child td{border-bottom:0}
.data-table tbody tr:hover{background:#fff9fb}
.data-table td:first-child{font-weight:600;color:#2a1a21;white-space:nowrap}
.data-table td strong{color:#c00f4d}
.table-note{margin-top:14px;font-size:13.5px;color:var(--ink-3);text-align:center}

/* ---------- reviews ---------- */
.review-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:18px}
.review-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:18px;
  padding:24px 22px;box-shadow:var(--shadow-s);
  transition:transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.review-card:hover{transform:translateY(-4px);border-color:rgba(230,25,95,.3);box-shadow:var(--shadow-m)}
.review-card p{font-size:14.5px;color:var(--ink-2);line-height:1.8;margin:0 0 16px}
.review-user{display:flex;align-items:center;gap:10px;border-top:1px solid #fbe6ee;padding-top:14px}
.avatar{
  width:38px;height:38px;border-radius:50%;flex:0 0 auto;
  background:linear-gradient(135deg,#ffd2e2,#ffe9f1);color:#c00f4d;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;
}
.review-user strong{display:block;font-size:14.5px;color:#2a1a21}
.review-user span{display:block;font-size:12.5px;color:var(--ink-3)}

/* ---------- partner ---------- */
.partner-panel{
  position:relative;overflow:hidden;border-radius:26px;padding:42px 34px;
  background:linear-gradient(120deg,#d0114f 0%,#e6195f 45%,#ff6f9f 100%);
  box-shadow:0 22px 46px rgba(208,17,79,.28);
}
.partner-panel::after{
  content:"";position:absolute;right:-70px;bottom:-110px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.3) 0%,rgba(255,255,255,0) 70%);pointer-events:none;
}
.partner-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.4fr .6fr;gap:26px;align-items:center}
.partner-inner h2{font-size:clamp(22px,2.8vw,29px);margin:0 0 12px;color:#fff;font-weight:800;line-height:1.35}
.partner-inner p{color:#fff1f6;font-size:15px}
.partner-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}
.btn-light{background:#fff;color:#c00f4d;box-shadow:0 12px 26px rgba(120,10,45,.2)}
.btn-light:hover{transform:translateY(-2px);background:#fff5f9}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.7)}
.btn-outline-light:hover{background:rgba(255,255,255,.16);transform:translateY(-2px)}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;max-width:920px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;
  transition:border-color .25s ease, box-shadow .25s ease;
}
.faq-item:hover{border-color:rgba(230,25,95,.3)}
.faq-item.open{border-color:rgba(230,25,95,.4);box-shadow:var(--shadow-s)}
.faq-q{
  width:100%;display:flex;justify-content:space-between;align-items:center;gap:16px;
  padding:17px 20px;background:none;border:0;font-size:15.5px;font-weight:600;
  color:#2a1a21;text-align:left;cursor:pointer;line-height:1.5;
}
.faq-q::after{content:"+";font-size:20px;line-height:1;color:var(--pink);transition:transform .3s ease;flex:0 0 auto}
.faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a-inner{padding:0 20px 18px;font-size:14.5px;color:var(--ink-2);line-height:1.8}

/* ---------- insight ---------- */
.insight-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.panel-card{
  background:#fff;border:1px solid var(--line);border-radius:20px;padding:26px 24px;
  box-shadow:var(--shadow-s);
}
.panel-card h3{font-size:18px;margin:0 0 16px;color:#2a1a21}
.wiki-list{display:grid;gap:14px}
.wiki-item{padding-bottom:14px;border-bottom:1px dashed #f6d8e4}
.wiki-item:last-child{border-bottom:0;padding-bottom:0}
.wiki-item strong{display:block;font-size:14.5px;color:#c00f4d;margin-bottom:4px}
.wiki-item p{font-size:14px;color:var(--ink-2);line-height:1.75}
.article-widget{
  font-size:14px;color:var(--ink-2);padding:16px;border:1px dashed rgba(230,25,95,.3);
  border-radius:12px;background:#fff8fb;margin-bottom:16px;
}
.article-list{display:grid;gap:10px}
.article-list a{
  display:flex;align-items:center;gap:10px;padding:12px 14px;border-radius:12px;
  background:#fff8fb;border:1px solid #fbe6ee;font-size:14.5px;color:#3a2830;
  transition:background-color .25s ease, transform .25s ease, border-color .25s ease;
}
.article-list a::before{content:"";width:6px;height:6px;border-radius:50%;background:#f43a78;flex:0 0 auto}
.article-list a:hover{background:#ffeef5;border-color:rgba(230,25,95,.28);transform:translateX(3px)}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:26px;align-items:start}
.form-card{
  background:#fff;border:1px solid var(--line);border-radius:22px;padding:30px 28px;
  box-shadow:var(--shadow-m);
}
.form-card h3{font-size:19px;margin:0 0 6px;color:#2a1a21}
.form-card .form-tip{font-size:14px;color:var(--ink-3);margin-bottom:20px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}
.field label{font-size:14px;font-weight:600;color:#3a2830}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:1px solid #f0cddb;border-radius:12px;
  font-size:14.5px;font-family:inherit;background:#fff;color:#2a1a21;
  transition:border-color .2s ease, box-shadow .2s ease;
}
.field textarea{resize:vertical;min-height:110px}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--pink);box-shadow:0 0 0 3px rgba(230,25,95,.13);
}
.contact-side{display:grid;gap:18px}
.qr-card{
  background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px;
  text-align:center;box-shadow:var(--shadow-s);
}
.qr-card img{width:140px;max-width:100%;margin:0 auto 12px;border-radius:12px;object-fit:contain}
.qr-card p{font-size:14px;color:var(--ink-2)}
.contact-list{background:#fff;border:1px solid var(--line);border-radius:20px;padding:10px 22px;box-shadow:var(--shadow-s)}
.contact-list li{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:12px 0;border-bottom:1px dashed #f6d8e4;font-size:14.5px;
}
.contact-list li:last-child{border-bottom:0}
.contact-list li span{color:var(--ink-3);flex:0 0 auto}
.contact-list li a,.contact-list li strong{color:#2a1a21;font-weight:600;text-align:right;word-break:break-all}
.contact-list li a:hover{color:var(--pink-d)}

/* ---------- footer ---------- */
.site-footer{
  margin-top:0;padding:46px 0 0;
  background:#fff2f7;border-top:1px solid var(--line);color:#3a2830;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:28px;padding-bottom:28px}
.footer-brand .ai-page-logo{max-height:38px;width:auto;margin-bottom:14px}
.footer-brand p{font-size:14px;color:#5f4c55;line-height:1.8;max-width:320px}
.footer-col h3{font-size:15px;margin:0 0 12px;color:#2a1a21;font-weight:700}
.footer-col a,.footer-col p{display:block;font-size:14px;color:#5f4c55;padding:4px 0;transition:color .2s ease}
.footer-col a:hover{color:var(--pink-d)}
.footer-friend{border-top:1px solid #f6d8e4;padding:22px 0 8px}
.footer-friend h3{font-size:15px;margin:0 0 12px;color:#2a1a21;font-weight:700}
.friend-links{display:flex;flex-wrap:wrap;gap:10px 18px}
.friend-links a{font-size:13.5px;color:#6b5760;transition:color .2s ease}
.friend-links a:hover{color:var(--pink-d)}
.footer-bottom{
  margin-top:16px;border-top:1px solid #f6d8e4;padding:16px 0 20px;
  text-align:center;font-size:13px;color:#8a7580;
}

/* ---------- float tools ---------- */
.float-tools{position:fixed;right:18px;bottom:22px;display:flex;flex-direction:column;gap:10px;z-index:70}
.float-btn{
  width:46px;height:46px;border-radius:14px;border:1px solid rgba(230,25,95,.22);
  background:#fff;color:var(--pink-d);font-size:13px;font-weight:700;
  display:flex;align-items:center;justify-content:center;cursor:pointer;
  box-shadow:0 10px 24px rgba(230,25,95,.16);
  transition:transform .25s ease, background-color .25s ease, opacity .25s ease;
}
.float-btn:hover{transform:translateY(-3px);background:#ffeaf2}
#backTop{opacity:0;pointer-events:none}
#backTop.show{opacity:1;pointer-events:auto}

/* ---------- reveal ---------- */
.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease, transform .6s ease}
.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .js .reveal{opacity:1;transform:none;transition:none}
  .btn,.metric,.info-card,.scene-card,.case-card,.review-card,.step,.solution-item{transition:none}
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .nav-links{
    position:absolute;top:100%;left:0;right:0;display:none;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff8fb;border-bottom:1px solid var(--line);
    box-shadow:0 18px 30px rgba(230,25,95,.1);padding:6px 20px 14px;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 8px;border-radius:10px;font-size:15px}
  .nav-toggle{display:flex}
  .nav-actions .btn-sm{display:none}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .contact-grid{grid-template-columns:1fr}
  .insight-grid{grid-template-columns:1fr}
  .partner-inner{grid-template-columns:1fr}
  .partner-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px}
}
@media (max-width:720px){
  .section{padding:48px 0}
  .hero{padding:52px 0 58px}
  .hero-panel{padding:18px}
  .flow-panel{padding:32px 20px}
  .partner-panel{padding:32px 22px}
  .form-card{padding:24px 20px}
  .form-row{grid-template-columns:1fr}
  .rating-card{grid-template-columns:1fr;gap:14px;padding:24px 20px}
  .rating-score{font-size:44px}
  .solution-list{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:18px}
  .footer-brand p{max-width:none}
  .float-tools{right:12px;bottom:14px}
  .float-btn{width:42px;height:42px;font-size:12px}
}