:root{
  --red:#e0231c;
  --red-deep:#b31510;
  --red-soft:#fff1ef;
  --ink:#1c1714;
  --ink-2:#4a403c;
  --ink-3:#7a6d68;
  --line:#f0dcd8;
  --bg:#fff8f6;
  --white:#ffffff;
  --radius:16px;
  --shadow:0 10px 30px rgba(190,40,30,.10);
  --shadow-hover:0 18px 42px rgba(190,40,30,.20);
  --container:1180px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  background:
    radial-gradient(1200px 600px at 90% -10%, #ffe3de 0%, rgba(255,227,222,0) 60%),
    radial-gradient(900px 500px at -10% 10%, #fff0e8 0%, rgba(255,240,232,0) 55%),
    var(--bg);
  color:var(--ink);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit}
ul{list-style:none}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
section{padding:64px 0}
.id-anchor{scroll-margin-top:84px}

/* ---------- NAV ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,248,246,.92);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;min-height:68px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.ai-page-logo{width:auto;max-height:40px;object-fit:contain}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-size:16px;color:var(--ink);letter-spacing:.5px}
.brand-text span{font-size:11px;color:var(--ink-3);letter-spacing:2px}
.nav-links{display:flex;align-items:center;gap:0;flex-wrap:wrap}
.nav-links a{
  font-size:14px;color:var(--ink-2);padding:8px 11px;border-radius:8px;
  transition:color .25s,background .25s;white-space:nowrap;
}
.nav-links a:hover{color:var(--red);background:var(--red-soft)}
.nav-cta{
  display:inline-flex;align-items:center;gap:6px;
  background:linear-gradient(135deg,var(--red),var(--red-deep));
  color:#fff!important;padding:10px 18px;border-radius:999px;
  font-size:14px;font-weight:600;white-space:nowrap;
  box-shadow:0 6px 18px rgba(224,35,28,.3);
  transition:transform .25s,box-shadow .25s;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(224,35,28,.4);background:linear-gradient(135deg,var(--red),var(--red-deep))}
.menu-toggle{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
  background:#fff;align-items:center;justify-content:center;cursor:pointer;flex-shrink:0;
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative}
.menu-toggle span::before,.menu-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);transition:.3s;
}
.menu-toggle span::before{top:-6px}
.menu-toggle span::after{top:6px}
.nav-open .menu-toggle span{background:transparent}
.nav-open .menu-toggle span::before{top:0;transform:rotate(45deg)}
.nav-open .menu-toggle span::after{top:0;transform:rotate(-45deg)}

@media(max-width:1080px){
  .nav-links{
    display:none;position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;
    background:#fff;border-bottom:1px solid var(--line);
    padding:12px 20px 18px;box-shadow:0 16px 30px rgba(190,40,30,.12);
  }
  .nav-open .nav-links{display:flex}
  .nav-links a{padding:10px 6px;font-size:15px}
  .menu-toggle{display:flex}
  .header-inner{position:relative}
}

/* ---------- HERO ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:80px 0 70px;
  background:
    radial-gradient(800px 420px at 78% 12%, rgba(224,35,28,.14), transparent 62%),
    radial-gradient(620px 360px at 8% 84%, rgba(255,150,110,.16), transparent 60%),
    linear-gradient(160deg,#fff8f6 0%,#fff1ed 55%,#ffe9e3 100%);
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(224,35,28,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(224,35,28,.05) 1px,transparent 1px);
  background-size:52px 52px;
  mask-image:radial-gradient(700px 420px at 50% 30%,#000 10%,transparent 78%);
  -webkit-mask-image:radial-gradient(700px 420px at 50% 30%,#000 10%,transparent 78%);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--line);color:var(--red-deep);
  font-size:13px;font-weight:600;padding:6px 14px;border-radius:999px;
  box-shadow:0 4px 14px rgba(224,35,28,.08);
}
.hero-eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--red);display:inline-block;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(224,35,28,.5)}50%{box-shadow:0 0 0 7px rgba(224,35,28,0)}}
.hero h1{
  font-size:clamp(30px,4.4vw,50px);line-height:1.18;margin:20px 0 16px;
  color:var(--ink);letter-spacing:.5px;font-weight:800;
}
.hero h1 em{
  font-style:normal;color:var(--red);
  position:relative;display:inline-block;
}
.hero h1 em::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:9px;
  background:rgba(224,35,28,.16);border-radius:4px;z-index:-1;
}
.hero p.lead{font-size:16px;color:var(--ink-2);max-width:560px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.btn-primary{
  display:inline-flex;align-items:center;gap:8px;
  background:linear-gradient(135deg,#f03a2c,var(--red-deep));
  color:#fff;font-weight:700;font-size:16px;padding:14px 30px;border-radius:999px;
  box-shadow:0 12px 28px rgba(224,35,28,.34);
  transition:transform .25s,box-shadow .25s;
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 18px 38px rgba(224,35,28,.45)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;color:var(--red-deep);font-weight:600;font-size:15px;
  padding:13px 26px;border-radius:999px;border:1px solid #f4c4bd;
  transition:background .25s,transform .25s,border-color .25s;
}
.btn-ghost:hover{background:var(--red-soft);transform:translateY(-3px);border-color:var(--red)}
.hero-metrics{display:flex;flex-wrap:wrap;gap:26px;margin-top:34px}
.hero-metrics div{min-width:110px}
.hero-metrics strong{display:block;font-size:26px;color:var(--red);font-weight:800;line-height:1.2}
.hero-metrics span{font-size:13px;color:var(--ink-3)}

.hero-panel{
  position:relative;background:rgba(255,255,255,.85);
  border:1px solid #f7d2cc;border-radius:24px;padding:26px;
  box-shadow:var(--shadow);backdrop-filter:blur(8px);
  animation:floaty 6s ease-in-out infinite;
}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
.hero-panel h2{font-size:15px;color:var(--ink-3);font-weight:600;letter-spacing:1px;margin-bottom:16px}
.model-chips{display:flex;flex-wrap:wrap;gap:8px}
.model-chips span{
  font-size:12.5px;padding:6px 12px;border-radius:8px;
  background:var(--red-soft);color:var(--red-deep);border:1px solid #ffe0da;
  transition:transform .2s,background .2s;
}
.model-chips span:hover{transform:translateY(-2px);background:#ffe4df}
.hero-panel .hint{
  margin-top:18px;padding-top:16px;border-top:1px dashed #f5c9c2;
  font-size:13px;color:var(--ink-2);
}
.hero-panel .hint b{color:var(--red)}

@media(max-width:900px){
  .hero-inner{grid-template-columns:1fr;gap:34px}
  .hero{padding:56px 0 50px}
  .hero-panel{animation:none}
}

/* ---------- SECTION TITLE ---------- */
.section-head{margin-bottom:38px}
.section-tag{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:2px;
  color:var(--red);background:var(--red-soft);padding:5px 14px;border-radius:999px;margin-bottom:14px;
}
.section-head h2{font-size:clamp(24px,3vw,34px);color:var(--ink);font-weight:800;line-height:1.3;letter-spacing:.4px}
.section-head p{margin-top:12px;color:var(--ink-3);font-size:15px;max-width:720px}
.section-head.center{text-align:center}
.section-head.center p{margin-left:auto;margin-right:auto}

/* ---------- CARDS BASE ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
@media(max-width:960px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.grid-3,.grid-4,.grid-2{grid-template-columns:1fr}}

.card{
  background:#fff;border:1px solid #f6dcd7;border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow);
  transition:transform .3s,box-shadow .3s,border-color .3s;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:#f4b6ad}
.card h3{font-size:17.5px;color:var(--ink);margin-bottom:10px;font-weight:700}
.card p{font-size:14px;color:var(--ink-3);line-height:1.72}
.icon-badge{
  width:46px;height:46px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#ffe3de,#ffcac2);color:var(--red-deep);
  font-weight:800;font-size:18px;margin-bottom:16px;
}

/* ---------- ABOUT ---------- */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
@media(max-width:900px){.about-grid{grid-template-columns:1fr;gap:28px}}
.about-text p{color:var(--ink-2);font-size:15px;margin-bottom:16px}
.about-list{display:grid;gap:12px;margin-top:8px}
.about-list li{
  display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:var(--ink-2);
  background:#fff;border:1px solid #f8e0db;border-radius:12px;padding:14px 16px;
  transition:transform .25s,border-color .25s;
}
.about-list li:hover{transform:translateX(4px);border-color:#f2b1a7}
.about-list li b{color:var(--red);flex-shrink:0}

/* ---------- SERVICES ---------- */
.service-card{
  background:#fff;border:1px solid #f6dcd7;border-radius:var(--radius);padding:24px;
  position:relative;overflow:hidden;transition:transform .3s,box-shadow .3s;
}
.service-card::after{
  content:"";position:absolute;top:0;left:0;width:4px;height:100%;
  background:linear-gradient(180deg,var(--red),#ff9a8b);opacity:0;transition:opacity .3s;
}
.service-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.service-card:hover::after{opacity:1}
.service-card h3{font-size:16.5px;margin-bottom:8px;color:var(--ink)}
.service-card p{font-size:13.8px;color:var(--ink-3)}

/* ---------- PROCESS ---------- */
.process-wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;position:relative}
@media(max-width:960px){.process-wrap{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.process-wrap{grid-template-columns:1fr}}
.process-step{
  background:#fff;border:1px solid #f6dcd7;border-radius:var(--radius);padding:26px 22px;
  box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s;
}
.process-step:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.step-num{
  font-size:13px;font-weight:800;color:var(--red);letter-spacing:2px;margin-bottom:12px;display:block;
}
.process-step h3{font-size:16.5px;margin-bottom:8px;color:var(--ink)}
.process-step p{font-size:13.6px;color:var(--ink-3)}

/* ---------- COMPARE ---------- */
.compare-score{
  display:grid;grid-template-columns:auto 1fr;gap:28px;align-items:center;
  background:linear-gradient(120deg,#fff,#fff2ef);
  border:1px solid #f7cfc8;border-radius:20px;padding:30px;margin-bottom:26px;
  box-shadow:var(--shadow);
}
@media(max-width:640px){.compare-score{grid-template-columns:1fr;gap:16px;text-align:center}}
.score-big{text-align:center;min-width:130px}
.score-big strong{font-size:52px;color:var(--red);font-weight:900;line-height:1;display:block}
.score-big small{font-size:14px;color:var(--ink-3);display:block;margin-top:6px}
.stars{color:#ff9d1f;font-size:20px;letter-spacing:3px;margin-top:6px}
.compare-score p{font-size:15px;color:var(--ink-2)}
.compare-score h3{font-size:20px;color:var(--ink);margin-bottom:8px}

.table-scroll{overflow-x:auto;border-radius:var(--radius);border:1px solid #f6dcd7;background:#fff;box-shadow:var(--shadow)}
table{width:100%;border-collapse:collapse;min-width:640px}
thead th{
  background:linear-gradient(135deg,#fff1ee,#ffe4de);color:var(--red-deep);
  font-size:14px;font-weight:700;text-align:left;padding:15px 18px;white-space:nowrap;
}
tbody td{padding:14px 18px;font-size:14px;color:var(--ink-2);border-top:1px solid #f8e6e2}
tbody tr{transition:background .25s}
tbody tr:hover{background:#fff7f5}
tbody td.good{color:var(--red-deep);font-weight:700}

/* ---------- CASE ---------- */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
@media(max-width:960px){.case-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.case-grid{grid-template-columns:1fr}}
.case-card{
  background:#fff;border:1px solid #f6dcd7;border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s;display:flex;flex-direction:column;
}
.case-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.case-media{aspect-ratio:16/10;background:#fff4f1;overflow:hidden}
.case-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.case-card:hover .case-media img{transform:scale(1.05)}
.case-body{padding:20px}
.case-body h3{font-size:16px;color:var(--ink);margin-bottom:8px}
.case-body p{font-size:13.6px;color:var(--ink-3)}

/* ---------- REVIEWS ---------- */
.review-card{
  background:#fff;border:1px solid #f6dcd7;border-radius:var(--radius);padding:24px;
  box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s;display:flex;flex-direction:column;gap:14px;
}
.review-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.review-top{display:flex;align-items:center;gap:12px}
.avatar{
  width:44px;height:44px;border-radius:50%;flex-shrink:0;
  background:linear-gradient(135deg,#ffd0c8,#ffb3a6);color:var(--red-deep);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px;
}
.review-top strong{font-size:14.5px;color:var(--ink);display:block;line-height:1.3}
.review-top small{font-size:12.5px;color:var(--ink-3)}
.review-card p{font-size:14px;color:var(--ink-2);line-height:1.75}
.review-stars{color:#ff9d1f;font-size:15px;letter-spacing:2px}

/* ---------- TOKEN / PRICE ---------- */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
@media(max-width:900px){.price-grid{grid-template-columns:1fr}}
.price-card{
  background:#fff;border:1px solid #f6dcd7;border-radius:20px;padding:28px;
  box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s;position:relative;
}
.price-card.featured{border:2px solid var(--red);box-shadow:0 18px 40px rgba(224,35,28,.18)}
.price-card.featured::before{
  content:"推荐";position:absolute;top:-13px;left:50%;transform:translateX(-50%);
  background:linear-gradient(135deg,var(--red),var(--red-deep));color:#fff;
  font-size:12px;font-weight:700;padding:4px 16px;border-radius:999px;letter-spacing:1px;
}
.price-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.price-card h3{font-size:17px;color:var(--ink);margin-bottom:8px}
.price-card .price{font-size:30px;font-weight:900;color:var(--red);line-height:1.2;margin:10px 0}
.price-card .price small{font-size:13px;color:var(--ink-3);font-weight:500}
.price-card ul{display:grid;gap:10px;margin-top:16px}
.price-card li{font-size:13.8px;color:var(--ink-2);padding-left:20px;position:relative}
.price-card li::before{content:"✓";position:absolute;left:0;color:var(--red);font-weight:700}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:900px;margin:0 auto}
.faq-item{background:#fff;border:1px solid #f6dcd7;border-radius:14px;overflow:hidden;transition:border-color .25s,box-shadow .25s}
.faq-item.open{border-color:#f4b6ad;box-shadow:var(--shadow)}
.faq-q{
  width:100%;background:none;border:none;text-align:left;cursor:pointer;
  padding:18px 22px;font-size:15.5px;font-weight:600;color:var(--ink);
  display:flex;justify-content:space-between;align-items:center;gap:16px;font-family:inherit;
}
.faq-q .arrow{
  flex-shrink:0;width:22px;height:22px;border-radius:50%;background:var(--red-soft);color:var(--red);
  display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;
  transition:transform .3s,background .3s;
}
.faq-item.open .faq-q .arrow{transform:rotate(45deg);background:var(--red);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a p{padding:0 22px 20px;font-size:14.2px;color:var(--ink-2);line-height:1.78}

/* ---------- ARTICLE ---------- */
.article-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
@media(max-width:760px){.article-list{grid-template-columns:1fr}}
.article-item{
  background:#fff;border:1px solid #f6dcd7;border-radius:14px;padding:20px 22px;
  display:flex;justify-content:space-between;align-items:center;gap:16px;
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.article-item:hover{transform:translateX(4px);box-shadow:var(--shadow);border-color:#f2b1a7}
.article-item strong{font-size:15px;color:var(--ink);font-weight:700;display:block;margin-bottom:4px}
.article-item span{font-size:13px;color:var(--ink-3)}
.article-item em{font-style:normal;color:var(--red);font-size:20px;flex-shrink:0}

/* ---------- FORM ---------- */
.form-wrap{
  background:linear-gradient(150deg,#fff,#fff3f0);
  border:1px solid #f7cfc8;border-radius:22px;padding:36px;box-shadow:var(--shadow);
}
@media(max-width:640px){.form-wrap{padding:24px}}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media(max-width:640px){.form-grid{grid-template-columns:1fr}}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1/-1}
.field label{font-size:13.5px;font-weight:600;color:var(--ink-2)}
.field input,.field select,.field textarea{
  font-family:inherit;font-size:14.5px;color:var(--ink);
  background:#fff;border:1px solid #f0cfc9;border-radius:10px;
  padding:12px 14px;outline:none;transition:border-color .25s,box-shadow .25s;
}
.field textarea{resize:vertical;min-height:110px}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--red);box-shadow:0 0 0 3px rgba(224,35,28,.12);
}
.form-submit{
  margin-top:22px;display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:linear-gradient(135deg,#f03a2c,var(--red-deep));color:#fff;
  border:none;font-family:inherit;font-size:16px;font-weight:700;
  padding:14px 42px;border-radius:999px;cursor:pointer;
  box-shadow:0 12px 28px rgba(224,35,28,.3);transition:transform .25s,box-shadow .25s;
}
.form-submit:hover{transform:translateY(-3px);box-shadow:0 18px 38px rgba(224,35,28,.42)}
.form-note{font-size:12.5px;color:var(--ink-3);margin-top:12px}

/* ---------- CONTACT ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:start}
@media(max-width:820px){.contact-grid{grid-template-columns:1fr}}
.contact-list{display:grid;gap:14px}
.contact-item{
  display:flex;align-items:center;gap:14px;background:#fff;border:1px solid #f6dcd7;
  border-radius:12px;padding:16px 18px;transition:transform .25s,border-color .25s;
}
.contact-item:hover{transform:translateY(-3px);border-color:#f2b1a7}
.contact-item strong{display:block;font-size:13px;color:var(--ink-3);font-weight:500}
.contact-item span{font-size:15px;color:var(--ink);font-weight:600;word-break:break-all}
.qr-box{
  background:#fff;border:1px solid #f6dcd7;border-radius:18px;padding:24px;text-align:center;
  box-shadow:var(--shadow);
}
.qr-box img{width:180px;max-width:100%;margin:0 auto 14px;border-radius:12px;border:1px solid #f8e0db}
.qr-box p{font-size:14px;color:var(--ink-2)}

/* ---------- FOOTER ---------- */
.site-footer{
  background:linear-gradient(160deg,#2a0f0c,#3a1512 60%,#2a0f0c);
  color:#f6ddd8;padding:52px 0 0;margin-top:20px;
}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.12)}
@media(max-width:900px){.footer-top{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.footer-top{grid-template-columns:1fr}}
.footer-brand .brand-text strong{color:#fff}
.footer-brand .brand-text span{color:#e0a89f}
.footer-brand p{font-size:13.5px;color:#e8bdb5;margin-top:14px;line-height:1.75;max-width:320px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:13.5px;color:#e8bdb5;transition:color .25s}
.footer-col a:hover{color:#ffb3a6}
.footer-links{display:flex;flex-wrap:wrap;gap:10px 18px;padding:22px 0;border-bottom:1px solid rgba(255,255,255,.12)}
.footer-links a{font-size:13px;color:#e8bdb5;transition:color .25s}
.footer-links a:hover{color:#ffb3a6}
.footer-bottom{padding:20px 0 24px;text-align:center;font-size:12.5px;color:#d6a49b}

/* ---------- FLOAT ---------- */
.float-box{position:fixed;right:20px;bottom:24px;z-index:200;display:flex;flex-direction:column;gap:12px;align-items:flex-end}
.float-btn{
  width:52px;height:52px;border-radius:50%;border:none;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#f03a2c,var(--red-deep));color:#fff;
  box-shadow:0 10px 24px rgba(224,35,28,.4);transition:transform .25s,box-shadow .25s;
  font-size:20px;
}
.float-btn:hover{transform:translateY(-4px) scale(1.05);box-shadow:0 16px 32px rgba(224,35,28,.5)}
.float-kefu{position:relative}
.float-kefu .kefu-pop{
  position:absolute;right:64px;bottom:0;width:200px;background:#fff;border:1px solid #f6dcd7;
  border-radius:14px;padding:16px;box-shadow:0 16px 40px rgba(190,40,30,.2);
  opacity:0;visibility:hidden;transform:translateX(10px);transition:.3s;text-align:center;
}
.float-kefu:hover .kefu-pop,.float-kefu.active .kefu-pop{opacity:1;visibility:visible;transform:translateX(0)}
.float-kefu .kefu-pop img{width:150px;max-width:100%;margin:0 auto 8px;border-radius:8px}
.float-kefu .kefu-pop p{font-size:12.5px;color:var(--ink-2)}

/* ---------- REVEAL ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.visible{opacity:1;transform:translateY(0)}

/* ---------- MISC ---------- */
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
.tag-cloud span{
  font-size:13px;color:var(--red-deep);background:#fff;border:1px solid #f4c4bd;
  padding:7px 15px;border-radius:999px;transition:background .25s,transform .25s;
}
.tag-cloud span:hover{background:var(--red-soft);transform:translateY(-2px)}
.network-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
@media(max-width:860px){.network-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.network-grid{grid-template-columns:1fr}}
.network-item{
  background:#fff;border:1px solid #f6dcd7;border-radius:14px;padding:20px;text-align:center;
  transition:transform .25s,box-shadow .25s;
}
.network-item:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.network-item strong{display:block;font-size:15px;color:var(--ink);margin-bottom:6px}
.network-item span{font-size:13px;color:var(--ink-3)}
.cta-band{
  background:linear-gradient(120deg,#f03a2c,var(--red-deep));
  border-radius:24px;padding:44px 36px;text-align:center;color:#fff;
  box-shadow:0 20px 44px rgba(224,35,28,.32);
}
@media(max-width:600px){.cta-band{padding:32px 22px}}
.cta-band h2{font-size:clamp(22px,3vw,30px);font-weight:800;margin-bottom:12px;color:#fff}
.cta-band p{font-size:15px;color:#ffe4df;max-width:640px;margin:0 auto 24px}
.cta-band .btn-primary{background:#fff;color:var(--red-deep);box-shadow:0 12px 28px rgba(0,0,0,.18)}
.cta-band .btn-primary:hover{background:#fff5f3;box-shadow:0 18px 36px rgba(0,0,0,.24)}
.cta-band .btn-ghost{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.5)}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.24)}