:root{
  --brand:#e11d63;
  --brand-2:#ff4d8d;
  --brand-deep:#9c0e46;
  --ink:#241620;
  --ink-2:#4a3543;
  --muted:#77656f;
  --line:#f6d8e5;
  --card:#ffffff;
  --radius:18px;
  --shadow:0 10px 30px rgba(190,40,110,.08);
  --shadow-hover:0 18px 40px rgba(190,40,110,.16);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  color:var(--ink);
  line-height:1.7;
  background-color:#fff6f9;
  background-image:
    radial-gradient(1100px 620px at 88% -140px,#ffdcea 0%,rgba(255,220,234,0) 65%),
    radial-gradient(900px 560px at -6% 200px,#ffeaf4 0%,rgba(255,234,244,0) 62%);
  background-repeat:no-repeat;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;}
a{color:inherit;}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px;}
section[id]{scroll-margin-top:86px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,250,252,.94);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(12px);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;min-height:68px;
}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex:0 0 auto;}
.brand .ai-page-logo{width:38px;display:block;border-radius:8px;}
.brand-name{font-size:18px;font-weight:800;letter-spacing:1px;color:var(--brand-deep);white-space:nowrap;}
.nav{min-width:0;}
.nav-links{
  display:flex;align-items:center;gap:0;
  list-style:none;margin:0;padding:0;
}
.nav-links a{
  display:block;padding:8px 11px;border-radius:8px;
  font-size:14.5px;color:var(--ink-2);text-decoration:none;white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-links a:hover{color:var(--brand);background:#ffeaf3;}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;border-radius:999px;font-size:15px;font-weight:600;
  text-decoration:none;border:1px solid transparent;cursor:pointer;font-family:inherit;
  transition:transform .18s ease,box-shadow .22s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{
  background:linear-gradient(135deg,#ff4d8d 0%,#e11d63 55%,#b8114f 100%);
  color:#fff;box-shadow:0 12px 26px rgba(225,29,99,.30);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(225,29,99,.38);}
.btn-primary:active{transform:translateY(0) scale(.985);}
.btn-ghost{
  background:#fff;color:var(--brand-deep);border-color:#f7c9dc;
  box-shadow:0 8px 20px rgba(225,29,99,.08);
}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--brand);color:var(--brand);}
.btn-sm{padding:9px 20px;font-size:14px;}
.nav-toggle{
  display:none;width:40px;height:40px;padding:0;
  border:1px solid var(--line);background:#fff;border-radius:10px;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand);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:66px 0 58px;}
.hero-blob{
  position:absolute;border-radius:50%;filter:blur(64px);pointer-events:none;
  animation:floatBlob 15s ease-in-out infinite;
}
.hero-blob.a{width:420px;height:420px;background:#ffb3d1;opacity:.55;top:-170px;right:-110px;}
.hero-blob.b{width:380px;height:380px;background:#ffd6e7;opacity:.7;bottom:-190px;left:-130px;animation-delay:-7s;}
@keyframes floatBlob{
  0%,100%{transform:translate3d(0,0,0) scale(1);}
  50%{transform:translate3d(0,-26px,0) scale(1.07);}
}
.hero-inner{position:relative;z-index:1;text-align:center;max-width:880px;margin:0 auto;}
.hero-badge{
  display:inline-flex;align-items:center;padding:7px 18px;margin:0;
  border-radius:999px;background:#fff;border:1px solid var(--line);
  color:var(--brand-deep);font-size:13px;letter-spacing:.5px;
  box-shadow:0 6px 18px rgba(225,29,99,.10);
}
.hero h1{
  font-size:clamp(29px,4.6vw,52px);
  line-height:1.24;font-weight:800;letter-spacing:-.5px;
  margin:22px 0 18px;
}
.hero-sub{
  max-width:720px;margin:0 auto 30px;
  font-size:16px;color:var(--ink-2);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}
.hero-inner > *{animation:riseIn .72s ease both;}
.hero-inner > *:nth-child(2){animation-delay:.08s;}
.hero-inner > *:nth-child(3){animation-delay:.16s;}
.hero-inner > *:nth-child(4){animation-delay:.24s;}
@keyframes riseIn{from{opacity:0;transform:translateY(16px);}to{opacity:1;transform:none;}}
.hero-stats{
  position:relative;z-index:1;
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
  margin-top:50px;
}
.stat{
  background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:20px 14px;text-align:center;box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.stat:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:#f7bcd6;}
.stat b{display:block;font-size:28px;line-height:1.2;font-weight:800;color:var(--brand);}
.stat span{display:block;margin-top:5px;font-size:13.5px;color:var(--muted);}

/* ---------- section common ---------- */
.section{padding:66px 0;}
.section-soft{
  background:linear-gradient(180deg,#fffafc 0%,#fff4f8 100%);
  border-top:1px solid #f9e4ee;border-bottom:1px solid #f9e4ee;
}
.section-head{max-width:780px;margin:0 auto 42px;text-align:center;}
.section-head.left{margin-left:0;text-align:left;}
.eyebrow{
  display:inline-block;margin:0 0 12px;
  font-size:13px;font-weight:700;letter-spacing:2px;color:var(--brand);
}
.section-head h2{
  margin:0 0 14px;font-size:clamp(23px,3vw,34px);
  line-height:1.32;font-weight:800;
}
.section-head p{margin:0;color:var(--muted);font-size:15.5px;}

.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:#f7bcd6;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;align-items:stretch;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:stretch;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;align-items:stretch;}

/* ---------- about ---------- */
.about-grid{display:grid;grid-template-columns:1.35fr .9fr;gap:28px;align-items:start;}
.about-text h2{margin:0 0 16px;font-size:clamp(23px,3vw,32px);line-height:1.32;font-weight:800;}
.about-text p{margin:0 0 14px;color:var(--ink-2);font-size:15.5px;}
.about-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:20px;}
.about-tags span{
  padding:7px 15px;border-radius:999px;font-size:13.5px;
  background:#fff;border:1px solid var(--line);color:var(--brand-deep);
}
.about-card{padding:26px 24px;}
.about-card h3{margin:0 0 16px;font-size:17px;font-weight:800;}
.check-list{list-style:none;margin:0;padding:0;display:grid;gap:13px;}
.check-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--ink-2);line-height:1.65;}
.check-list li::before{
  content:"";flex:0 0 16px;width:16px;height:16px;margin-top:4px;border-radius:50%;
  background:linear-gradient(135deg,#ff8ab5,#e11d63);
  box-shadow:0 0 0 3px rgba(225,29,99,.10);
}

/* ---------- service cards ---------- */
.service-card{padding:26px 22px;display:flex;flex-direction:column;gap:10px;}
.service-icon{
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(135deg,#ffe1ee,#ffd0e3);color:var(--brand);
}
.service-card h3{margin:0;font-size:17.5px;font-weight:800;}
.service-card p{margin:0;color:var(--muted);font-size:14.5px;line-height:1.75;}

/* ---------- chips ---------- */
.chip-cloud{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  padding:8px 16px;border-radius:999px;background:#fff;border:1px solid var(--line);
  font-size:14px;color:var(--ink-2);
  transition:transform .2s ease,border-color .2s ease,color .2s ease,box-shadow .2s ease;
}
.chip:hover{transform:translateY(-2px);border-color:#f2a9c9;color:var(--brand);box-shadow:0 8px 18px rgba(225,29,99,.10);}
.chip-cloud.center{justify-content:center;}

/* ---------- plan / network ---------- */
.plan-card{padding:24px 22px;display:flex;flex-direction:column;gap:8px;}
.plan-card h3{margin:0;font-size:17px;font-weight:800;}
.plan-card p{margin:0;font-size:14.5px;color:var(--muted);line-height:1.75;}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;}
.step{
  position:relative;padding:24px 18px;background:#fff;
  border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease;
}
.step:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);}
.step-no{
  display:inline-block;margin-bottom:10px;padding:3px 12px;border-radius:999px;
  font-size:12.5px;font-weight:700;color:var(--brand);
  background:#ffeaf3;border:1px solid #f8cfe1;
}
.step h3{margin:0 0 8px;font-size:16px;font-weight:800;}
.step p{margin:0;font-size:14px;color:var(--muted);line-height:1.7;}

/* ---------- cases ---------- */
.case-card{padding:16px;display:flex;flex-direction:column;gap:14px;}
.case-media{
  width:100%;aspect-ratio:16/9;overflow:hidden;border-radius:13px;
  background:#fff3f8;display:grid;place-items:center;
}
.case-media img{width:100%;height:100%;object-fit:contain;display:block;transition:transform .5s ease;}
.case-card:hover .case-media img{transform:scale(1.04);}
.case-card h3{margin:0;font-size:16.5px;font-weight:800;}
.case-card p{margin:0;font-size:14px;color:var(--muted);line-height:1.7;}

/* ---------- tables ---------- */
.table-wrap{
  overflow-x:auto;border-radius:16px;border:1px solid var(--line);
  background:#fff;box-shadow:var(--shadow);
}
table{width:100%;border-collapse:collapse;min-width:700px;font-size:14.5px;}
thead th{
  background:linear-gradient(180deg,#ffeef5,#ffe3ee);
  color:var(--brand-deep);font-weight:700;text-align:left;
  padding:15px 18px;white-space:nowrap;
}
tbody td{
  padding:14px 18px;border-top:1px solid #f8e3ec;color:var(--ink-2);
  vertical-align:top;line-height:1.65;
}
tbody tr:hover td{background:#fff8fb;}
.col-brand{color:var(--brand);font-weight:700;}
.table-note{margin:14px 0 0;font-size:13px;color:var(--muted);}

/* ---------- rating ---------- */
.rating{
  display:flex;flex-wrap:wrap;align-items:center;gap:26px;
  margin-top:22px;padding:26px 28px;border-radius:18px;
  background:linear-gradient(120deg,#fff0f6,#ffe4ee);
  border:1px solid #f7c3da;
}
.rating-score{display:flex;align-items:baseline;gap:8px;}
.rating-score b{font-size:46px;line-height:1;font-weight:800;color:var(--brand);}
.rating-score span{font-size:15px;color:var(--brand-deep);font-weight:600;}
.rating-info{display:flex;flex-direction:column;gap:4px;}
.rating-stars{font-size:19px;letter-spacing:3px;color:var(--brand);}
.rating-info p{margin:0;font-size:14px;color:var(--ink-2);}

/* ---------- review ---------- */
.review-card{padding:24px;display:flex;flex-direction:column;gap:14px;}
.review-stars{font-size:14px;letter-spacing:2px;color:var(--brand);}
.review-text{margin:0;font-size:14.5px;color:var(--ink-2);line-height:1.8;}
.review-user{display:flex;align-items:center;gap:12px;margin-top:auto;}
.avatar{
  flex:0 0 40px;width:40px;height:40px;border-radius:50%;
  display:grid;place-items:center;color:#fff;
  background:linear-gradient(135deg,#ff8ab5,#e11d63);
}
.review-user strong{display:block;font-size:14.5px;font-weight:700;}
.review-user small{display:block;font-size:12.5px;color:var(--muted);}

/* ---------- 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 .2s ease,box-shadow .2s ease;
}
.faq-item.open{border-color:#f3b6d1;box-shadow:var(--shadow);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:17px 20px;background:none;border:0;font-family:inherit;
  font-size:15.5px;font-weight:600;color:var(--ink);text-align:left;cursor:pointer;
  transition:color .2s ease;
}
.faq-q:hover{color:var(--brand);}
.faq-icon{position:relative;flex:0 0 18px;width:18px;height:18px;}
.faq-icon::before,
.faq-icon::after{
  content:"";position:absolute;background:var(--brand);border-radius:2px;
  transition:transform .25s ease,opacity .25s ease;
}
.faq-icon::before{top:8px;left:0;width:18px;height:2px;}
.faq-icon::after{top:0;left:8px;width:2px;height:18px;}
.faq-item.open .faq-icon::after{transform:rotate(90deg);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{margin:0;padding:0 20px 18px;font-size:14.5px;color:var(--muted);line-height:1.8;}

/* ---------- form ---------- */
.form-card{padding:30px 28px;}
.form-card h3{margin:0 0 6px;font-size:19px;font-weight:800;}
.form-card .form-tip{margin:0 0 22px;font-size:13.5px;color:var(--muted);}
.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:var(--ink-2);}
.field input,
.field select,
.field textarea{
  width:100%;padding:12px 14px;border:1px solid #f0d3e0;border-radius:10px;
  font-size:14.5px;font-family:inherit;color:var(--ink);background:#fffafc;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{resize:vertical;min-height:110px;}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;border-color:var(--brand);background:#fff;
  box-shadow:0 0 0 3px rgba(225,29,99,.12);
}
.form-actions{margin-top:20px;display:flex;flex-wrap:wrap;align-items:center;gap:14px;}
.form-actions small{font-size:12.5px;color:var(--muted);}
.match-aside{display:flex;flex-direction:column;gap:16px;}
.match-card{padding:24px 22px;}
.match-card h3{margin:0 0 10px;font-size:16.5px;font-weight:800;}
.match-card p{margin:0;font-size:14.5px;color:var(--muted);line-height:1.75;}

/* ---------- news ---------- */
.news-list{display:grid;gap:12px;}
.news-item{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 22px;background:#fff;border:1px solid var(--line);border-radius:14px;
  text-decoration:none;color:var(--ink);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#f7bcd6;}
.news-item strong{font-size:15px;font-weight:700;line-height:1.5;}
.news-item span{flex:0 0 auto;font-size:13px;color:var(--brand);}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.contact-card{padding:22px 20px;display:flex;flex-direction:column;gap:6px;}
.contact-card h3{margin:0;font-size:14px;font-weight:700;color:var(--brand-deep);}
.contact-card p{margin:0;font-size:15px;color:var(--ink);word-break:break-all;}
.contact-qr{padding:20px;display:flex;flex-direction:column;align-items:center;gap:10px;text-align:center;}
.contact-qr img{width:150px;border-radius:12px;display:block;}
.contact-qr span{font-size:13.5px;color:var(--muted);}

/* ---------- join banner ---------- */
.join-banner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
  padding:34px 32px;border-radius:20px;
  background:linear-gradient(120deg,#ffe7f1 0%,#ffd7e8 55%,#ffc9e0 100%);
  border:1px solid #f7bcd6;
}
.join-banner h2{margin:0 0 10px;font-size:clamp(21px,2.6vw,28px);font-weight:800;color:var(--brand-deep);}
.join-banner p{margin:0;font-size:14.5px;color:#6b3a4e;max-width:640px;line-height:1.8;}

/* ---------- fab ---------- */
.fab-wrap{position:fixed;right:18px;bottom:22px;z-index:90;display:flex;flex-direction:column;align-items:flex-end;gap:12px;}
.fab{
  width:48px;height:48px;border-radius:50%;border:0;cursor:pointer;
  display:grid;place-items:center;color:#fff;
  background:linear-gradient(135deg,#ff4d8d,#c81254);
  box-shadow:0 12px 26px rgba(225,29,99,.32);
  transition:transform .2s ease,box-shadow .2s ease;
}
.fab:hover{transform:translateY(-3px);box-shadow:0 16px 32px rgba(225,29,99,.42);}
.fab-ghost{background:#fff;color:var(--brand);border:1px solid var(--line);box-shadow:0 10px 22px rgba(190,40,110,.14);}
.fab-panel{
  display:none;position:absolute;right:0;bottom:120px;width:240px;
  background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:16px 18px;box-shadow:0 20px 44px rgba(190,40,110,.20);
}
.fab-panel.show{display:block;animation:riseIn .28s ease both;}
.fab-panel .fab-title{margin:0 0 10px;font-size:14px;font-weight:800;color:var(--brand-deep);}
.fab-panel p{margin:0 0 8px;font-size:13.5px;color:var(--ink-2);line-height:1.7;}
.fab-panel a{color:var(--brand);text-decoration:none;font-weight:600;}

/* ---------- footer ---------- */
.site-footer{
  background:linear-gradient(160deg,#2b1420 0%,#1a0b12 100%);
  color:#f3d9e4;padding:46px 0 22px;
}
.footer-top{display:flex;flex-wrap:wrap;align-items:flex-start;justify-content:space-between;gap:24px;}
.footer-name{margin:0 0 8px;font-size:19px;font-weight:800;color:#fff;letter-spacing:1px;}
.footer-desc{margin:0;max-width:430px;font-size:13.5px;color:#c9a4b6;line-height:1.8;}
.footer-links{display:flex;flex-wrap:wrap;gap:12px 20px;align-items:center;}
.footer-links a{color:#ffb9d3;font-size:14px;text-decoration:none;transition:color .2s ease;}
.footer-links a:hover{color:#fff;}
.footer-friend{margin-top:26px;padding-top:20px;border-top:1px solid rgba(255,255,255,.10);}
.friend-title{display:block;margin-bottom:10px;font-size:13px;color:#c9a4b6;}
.friend-list{display:flex;flex-wrap:wrap;gap:10px 18px;}
.friend-list a{color:#e9c6d6;font-size:13px;text-decoration:none;transition:color .2s ease;}
.friend-list a:hover{color:#fff;}
.footer-bottom{
  margin-top:22px;padding-top:16px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:12.5px;color:#b99aa9;
}
.footer-bottom a{color:#b99aa9;text-decoration:none;transition:color .2s ease;}
.footer-bottom a:hover{color:#ffb9d3;}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease;}
.reveal.in{opacity:1;transform:none;}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .nav-links{
    position:absolute;top:100%;left:0;right:0;display:none;flex-direction:column;
    gap:0;background:#fff;border-bottom:1px solid var(--line);
    box-shadow:0 20px 30px rgba(190,40,110,.10);
    padding:10px 20px 18px;margin:0;
  }
  .nav-links.open{display:flex;}
  .nav-links a{padding:12px 6px;border-radius:8px;font-size:15px;}
  .nav-toggle{display:flex;}
  .btn-sm{padding:9px 16px;font-size:13.5px;}
  .about-grid{grid-template-columns:1fr;gap:22px;}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .contact-grid{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(3,1fr);}
  .hero-stats{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:767px){
  .section{padding:48px 0;}
  .hero{padding:48px 0 44px;}
  .hero-sub{font-size:15px;}
  .btn{width:100%;max-width:320px;}
  .hero-actions .btn{max-width:none;}
  .grid-2,.grid-3,.grid-4,.contact-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .form-grid{grid-template-columns:1fr;}
  .form-card,.about-card,.match-card{padding:22px 18px;}
  .rating{padding:22px 20px;gap:18px;}
  .rating-score b{font-size:38px;}
  .join-banner{padding:26px 22px;}
  .news-item{flex-direction:column;align-items:flex-start;gap:6px;}
  .footer-top{flex-direction:column;}
  .fab{width:44px;height:44px;}
  .stat b{font-size:24px;}
}
@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  .reveal{opacity:1;transform:none;}
}

.reveal{opacity:1;transform:none;}