*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.7;
  color:#2a1a20;
  background-color:#fff8fa;
  background-image:
    radial-gradient(900px 520px at 8% -8%, #ffe0ea 0%, rgba(255,224,234,0) 62%),
    radial-gradient(820px 480px at 98% 2%, #ffe8de 0%, rgba(255,232,222,0) 58%),
    radial-gradient(820px 640px at 50% 106%, #ffe6f0 0%, rgba(255,230,240,0) 60%),
    linear-gradient(180deg,#fffafc 0%,#fff5f8 45%,#fff9f5 100%);
}
img{max-width:100%;height:auto;display:block}
a{color:#b0164a;text-decoration:none}
h1,h2,h3,h4{margin:0;line-height:1.3;color:#2a1a20}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
section{scroll-margin-top:86px}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,250,252,.92);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid #f7d7e1;
}
.nav-bar{display:flex;align-items:center;gap:16px;min-height:68px;position:relative}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.ai-page-logo{height:38px;width:auto;max-width:160px;object-fit:contain}
.brand-name{font-size:19px;font-weight:800;letter-spacing:.5px;color:#a8123f;white-space:nowrap}
.nav-links{display:flex;align-items:center;justify-content:flex-end;gap:0;margin-left:auto;flex-wrap:nowrap}
.nav-links a{
  display:inline-block;padding:9px 11px;border-radius:9px;
  font-size:14.5px;color:#5b4650;white-space:nowrap;
  transition:color .2s ease,background-color .2s ease;
}
.nav-links a:hover{color:#a8123f;background:#ffeef3}
.nav-toggle{
  display:none;margin-left:auto;width:42px;height:38px;border-radius:10px;
  border:1px solid #f2bcd0;background:#fff;color:#a8123f;font-size:18px;
  cursor:pointer;align-items:center;justify-content:center
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;text-decoration:none;
  transition:transform .22s ease,box-shadow .25s ease,background-color .25s ease,color .25s ease;
}
.btn-primary{
  background:linear-gradient(135deg,#ff2e63 0%,#e63a6f 55%,#c81b52 100%);
  color:#fff;box-shadow:0 12px 24px -12px rgba(200,27,82,.9);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 30px -14px rgba(200,27,82,.95)}
.btn-ghost{background:#fff;color:#a8123f;border-color:#f3bcd0}
.btn-ghost:hover{background:#fff2f6;transform:translateY(-2px)}
.btn-lg{padding:15px 30px;font-size:16px}
.nav-cta{flex-shrink:0;padding:10px 20px;font-size:14.5px}

/* Hero */
.hero{padding:56px 0 20px;position:relative;overflow:hidden}
.hero::before,.hero::after{
  content:"";position:absolute;border-radius:50%;pointer-events:none;filter:blur(2px);
}
.hero::before{width:340px;height:340px;right:-120px;top:-90px;background:radial-gradient(circle,#ffd0df 0%,rgba(255,208,223,0) 70%)}
.hero::after{width:260px;height:260px;left:-110px;bottom:-60px;background:radial-gradient(circle,#ffe0cd 0%,rgba(255,224,205,0) 70%)}
.hero-inner{display:grid;grid-template-columns:1.12fr .88fr;gap:44px;align-items:center;position:relative;z-index:2}
.eyebrow{
  display:inline-block;padding:6px 15px;border-radius:999px;
  background:#ffe6ee;color:#a8123f;font-size:13px;font-weight:700;letter-spacing:.6px;
}
.hero h1{font-size:clamp(28px,3.5vw,46px);margin:18px 0 16px;font-weight:800;letter-spacing:-.5px}
.hero h1 em{font-style:normal;color:#d81a56}
.hero-desc{color:#5b4650;font-size:16px;max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px 10px;margin-top:26px}
.hero-tags li{
  font-size:13px;color:#8d1038;background:#fff;border:1px solid #f7cfe0;
  padding:5px 12px;border-radius:999px;
}
.hero-panel{
  background:rgba(255,255,255,.82);
  border:1px solid #f8cddb;border-radius:26px;padding:22px;
  box-shadow:0 32px 58px -34px rgba(200,27,82,.55);
  animation:floatY 7s ease-in-out infinite;
}
@keyframes floatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
.panel-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
.panel-title{font-size:15px;font-weight:700;color:#2a1a20}
.panel-badge{font-size:12px;font-weight:600;color:#fff;background:linear-gradient(135deg,#ff5c8a,#c81b52);padding:4px 11px;border-radius:999px}
.model-chips{display:flex;flex-wrap:wrap;gap:8px}
.model-chips span{
  font-size:12.5px;color:#7a2340;background:#fff3f7;border:1px solid #f9d5e2;
  padding:5px 10px;border-radius:8px;
}
.panel-foot{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:18px;padding-top:16px;border-top:1px dashed #f2c3d5}
.foot-item strong{display:block;font-size:13.5px;color:#a8123f}
.foot-item span{font-size:12px;color:#7d6670}

/* 数据指标 */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:44px;position:relative;z-index:2}
.metric{
  background:#fff;border:1px solid #f7d7e1;border-radius:18px;padding:20px 16px;text-align:center;
  transition:transform .25s ease,box-shadow .25s ease;
}
.metric:hover{transform:translateY(-4px);box-shadow:0 22px 36px -26px rgba(200,27,82,.6)}
.metric strong{display:block;font-size:26px;font-weight:800;color:#c81b52;line-height:1.2}
.metric span{font-size:13px;color:#6d5a62}

/* 通用区块 */
.section{padding:66px 0}
.section-head{max-width:780px;margin:0 auto 38px;text-align:center}
.section-head .tag{display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:2px;color:#c81b52}
.section-head h2{font-size:clamp(23px,2.6vw,33px);margin:10px 0 12px}
.section-head p{color:#5b4650;font-size:15.5px}
.section-head.left{text-align:left;margin-left:0}

/* 关于我们 */
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:start}
.about-text p{color:#5b4650;font-size:15.5px;margin-bottom:14px}
.about-list{display:grid;grid-template-columns:1fr;gap:10px;margin-top:20px}
.about-list li{
  display:flex;gap:10px;align-items:flex-start;
  background:#fff;border:1px solid #f9dee8;border-radius:14px;padding:13px 16px;
  font-size:14.5px;color:#4a343d;
  transition:border-color .25s ease,transform .25s ease;
}
.about-list li:hover{border-color:#f3b2ca;transform:translateX(4px)}
.about-list b{color:#a8123f;font-weight:700;white-space:nowrap}
.about-media{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.media-box{
  background:#fff3f7;border:1px solid #f8d3e0;border-radius:18px;overflow:hidden;
  aspect-ratio:4/3;
}
.media-box img{width:100%;height:100%;object-fit:cover;border-radius:18px}

/* 服务卡片 */
.card{
  background:#fff;border:1px solid #f7d7e1;border-radius:18px;padding:24px;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-5px);box-shadow:0 26px 42px -30px rgba(200,27,82,.65);border-color:#f3b2ca}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.ic{
  width:44px;height:44px;border-radius:14px;margin-bottom:14px;
  background:linear-gradient(135deg,#ffe1eb,#ffc9db);
  display:flex;align-items:center;justify-content:center;
}
.ic::after{content:"";width:16px;height:16px;border-radius:6px;background:linear-gradient(135deg,#ff5c8a,#c81b52)}
.card h3{font-size:17px;margin-bottom:8px;color:#2a1a20}
.card p{font-size:14.5px;color:#5b4650}

/* 标签云 */
.cloud-block{background:#fff;border:1px solid #f7d7e1;border-radius:22px;padding:26px}
.cloud-block h3{font-size:16px;color:#a8123f;margin-bottom:14px}
.cloud{display:flex;flex-wrap:wrap;gap:9px}
.cloud span{
  font-size:13.5px;color:#6d3247;background:#fff5f8;border:1px solid #f8d6e3;
  padding:6px 13px;border-radius:999px;transition:background-color .2s ease,color .2s ease,transform .2s ease;
}
.cloud span:hover{background:#ffe9f0;color:#a8123f;transform:translateY(-2px)}
.cloud-row{display:grid;grid-template-columns:1fr;gap:18px}

/* 流程 */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.step{background:#fff;border:1px solid #f7d7e1;border-radius:16px;padding:22px 18px;transition:transform .25s ease,box-shadow .25s ease}
.step:hover{transform:translateY(-4px);box-shadow:0 22px 36px -28px rgba(200,27,82,.6)}
.step-num{
  width:34px;height:34px;border-radius:50%;margin-bottom:12px;
  background:linear-gradient(135deg,#ff5c8a,#c81b52);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;
}
.step h3{font-size:15.5px;margin-bottom:6px}
.step p{font-size:13.5px;color:#5b4650}

/* 案例 */
.case-card{padding:0;overflow:hidden;display:flex;flex-direction:column}
.case-img{aspect-ratio:4/3;background:#fff3f7;overflow:hidden}
.case-img img{width:100%;height:100%;object-fit:cover}
.case-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:8px;flex:1}
.case-body h3{font-size:16.5px}
.case-body p{font-size:14px;color:#5b4650}

/* 对比评测 */
.score-banner{
  display:flex;flex-wrap:wrap;align-items:center;gap:24px;justify-content:space-between;
  background:linear-gradient(120deg,#fff0f5 0%,#ffe8f0 55%,#ffeede 100%);
  border:1px solid #f6c3d6;border-radius:22px;padding:26px 30px;margin-bottom:26px;
}
.score-left{display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.score-num{font-size:46px;font-weight:800;color:#c81b52;line-height:1}
.score-num span{font-size:17px;color:#8d1038;font-weight:600}
.score-meta strong{display:block;font-size:15px;color:#2a1a20}
.stars{font-size:20px;letter-spacing:3px;color:#e63a6f;line-height:1.2}
.score-meta .note{font-size:13.5px;color:#6d5a62}
.table-wrap{overflow-x:auto;background:#fff;border:1px solid #f7d7e1;border-radius:18px;-webkit-overflow-scrolling:touch}
table{width:100%;border-collapse:collapse;min-width:760px}
th,td{padding:14px 16px;text-align:left;font-size:14.5px;border-bottom:1px solid #fbe6ec;vertical-align:top}
thead th{background:#fff0f5;color:#8d1038;font-weight:700;font-size:14.5px}
tbody tr:last-child td{border-bottom:none}
tbody td:first-child{color:#3a2730;font-weight:600}
td.good{color:#c81b52;font-weight:600}
td.mid{color:#6d5a62}

/* Token 比价 */
.price-card{background:#fff;border:1px solid #f7d7e1;border-radius:18px;padding:24px;transition:transform .25s ease,box-shadow .25s ease}
.price-card:hover{transform:translateY(-5px);box-shadow:0 26px 42px -30px rgba(200,27,82,.65)}
.price-card h3{font-size:16px;color:#a8123f;margin-bottom:10px}
.price-main{font-size:26px;font-weight:800;color:#c81b52;line-height:1.2;margin-bottom:6px}
.price-card p{font-size:13.5px;color:#5b4650}
.price-note{margin-top:18px;font-size:13.5px;color:#6d5a62;background:#fff5f8;border:1px dashed #f4bdd1;border-radius:14px;padding:14px 18px}

/* 用户评论 */
.review-card{background:#fff;border:1px solid #f7d7e1;border-radius:18px;padding:22px;display:flex;flex-direction:column;gap:14px;transition:transform .25s ease,box-shadow .25s ease}
.review-card:hover{transform:translateY(-5px);box-shadow:0 26px 42px -30px rgba(200,27,82,.65)}
.review-card blockquote{margin:0;font-size:14.5px;color:#4a343d}
.review-user{display:flex;align-items:center;gap:12px;margin-top:auto}
.avatar{
  width:42px;height:42px;border-radius:50%;flex-shrink:0;
  background:linear-gradient(135deg,#ff5c8a,#b0164a);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;
}
.review-user strong{display:block;font-size:14.5px;color:#2a1a20}
.review-user span{font-size:12.5px;color:#7d6670}
.review-mark{font-size:13px;color:#e63a6f;letter-spacing:2px}

/* 文章 / 百科 */
.news-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:start}
.panel{background:#fff;border:1px solid #f7d7e1;border-radius:20px;padding:26px}
.panel h3{font-size:17px;margin-bottom:16px;color:#2a1a20}
.article-list li+li{border-top:1px dashed #f7d7e1}
.article-list a{
  display:flex;align-items:flex-start;gap:12px;padding:13px 0;
  font-size:14.5px;color:#3a2730;transition:color .2s ease,transform .2s ease;
}
.article-list a:hover{color:#c81b52;transform:translateX(4px)}
.article-list i{
  font-style:normal;flex-shrink:0;width:22px;height:22px;border-radius:7px;
  background:#ffe6ee;color:#a8123f;font-size:12px;font-weight:700;
  display:flex;align-items:center;justify-content:center;margin-top:2px;
}
.wiki-list li+li{margin-top:14px;padding-top:14px;border-top:1px dashed #f7d7e1}
.wiki-list b{display:block;font-size:14.5px;color:#a8123f;margin-bottom:2px}
.wiki-list span{font-size:13.5px;color:#5b4650}

/* FAQ */
.faq-list{display:grid;grid-template-columns:1fr;gap:12px;max-width:940px;margin:0 auto}
.faq-item{background:#fff;border:1px solid #f7d7e1;border-radius:14px;overflow:hidden;transition:border-color .25s ease,box-shadow .25s ease}
.faq-item[open]{border-color:#f3b2ca;box-shadow:0 20px 34px -30px rgba(200,27,82,.7)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:16px 20px;font-weight:600;font-size:15px;color:#2a1a20;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:20px;font-weight:700;color:#c81b52;line-height:1;transition:transform .25s ease}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item p{padding:0 20px 18px;font-size:14.5px;color:#5b4650}

/* 表单 */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:26px;align-items:start}
.form-card{background:#fff;border:1px solid #f7d7e1;border-radius:22px;padding:28px;box-shadow:0 30px 50px -40px rgba(200,27,82,.6)}
.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:13.5px;font-weight:600;color:#5b4650}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:1px solid #f2cfdc;border-radius:12px;
  font-size:14.5px;color:#2a1a20;background:#fffafc;font-family:inherit;
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:#e63a6f;background:#fff;box-shadow:0 0 0 3px rgba(230,58,111,.14);
}
.field textarea{resize:vertical;min-height:110px}
.form-tip{font-size:12.5px;color:#7d6670;margin-top:10px}
.contact-card{background:#fff;border:1px solid #f7d7e1;border-radius:22px;padding:26px}
.contact-card h3{font-size:17px;margin-bottom:16px}
.contact-rows li{display:flex;justify-content:space-between;gap:14px;padding:11px 0;border-bottom:1px dashed #f7d7e1;font-size:14.5px}
.contact-rows li:last-child{border-bottom:none}
.contact-rows span{color:#6d5a62;flex-shrink:0}
.contact-rows b{color:#2a1a20;font-weight:600;text-align:right;word-break:break-all}
.qr-box{margin-top:18px;text-align:center;background:#fff6f9;border:1px dashed #f4bdd1;border-radius:16px;padding:16px}
.qr-box img{width:150px;height:150px;object-fit:contain;margin:0 auto 10px;border-radius:10px;background:#fff}
.qr-box p{font-size:13px;color:#6d5a62}

/* 加盟 */
.agent-banner{
  background:linear-gradient(125deg,#5a0f2a 0%,#8d1140 52%,#c81b52 100%);
  border-radius:26px;padding:38px 34px;color:#fff;
  display:grid;grid-template-columns:1.15fr .85fr;gap:30px;align-items:center;
  box-shadow:0 34px 60px -40px rgba(141,17,64,.9);
}
.agent-banner h2{color:#fff;font-size:clamp(21px,2.3vw,28px);margin-bottom:12px}
.agent-banner p{color:#ffd9e4;font-size:14.5px}
.agent-points{display:grid;gap:10px;margin-top:20px}
.agent-points li{display:flex;gap:9px;align-items:flex-start;font-size:14px;color:#ffe7ef}
.agent-points li::before{content:"◆";color:#ff9ab8;font-size:11px;line-height:1.8}
.agent-right{display:flex;flex-direction:column;gap:14px;align-items:flex-start}
.agent-right .btn{background:#fff;color:#a8123f;box-shadow:none;width:100%;max-width:280px}
.agent-right .btn:hover{background:#ffeef4;transform:translateY(-2px)}
.agent-right small{font-size:12.5px;color:#ffd9e4}

/* 页脚 */
.site-footer{
  background:linear-gradient(160deg,#4a0f24 0%,#6b1436 55%,#8d1140 100%);
  color:#ffe7ef;padding:50px 0 22px;margin-top:20px;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:30px}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:14px;font-weight:700}
.footer-brand{font-size:19px;font-weight:800;color:#fff;margin-bottom:10px;letter-spacing:.5px}
.site-footer p{font-size:13.5px;color:#ffc9da;line-height:1.75}
.footer-links li{margin-bottom:9px}
.site-footer a{color:#ffd3e0;font-size:13.5px;transition:color .2s ease}
.site-footer a:hover{color:#fff}
.footer-contact li{font-size:13.5px;color:#ffc9da;margin-bottom:9px;word-break:break-all}
.footer-contact b{color:#fff;font-weight:600}
.footer-bottom{
  margin-top:32px;padding-top:18px;border-top:1px solid rgba(255,255,255,.18);
  display:flex;flex-wrap:wrap;gap:10px 20px;justify-content:space-between;align-items:center;
  font-size:13px;color:#ffc9da;
}

/* 浮动 */
.float-dock{position:fixed;right:16px;bottom:22px;z-index:90;display:flex;flex-direction:column;gap:10px;align-items:flex-end}
.float-dock a,.float-dock button{
  display:inline-flex;align-items:center;justify-content:center;
  padding:11px 15px;border-radius:999px;border:none;cursor:pointer;
  font-size:13px;font-weight:600;font-family:inherit;
  background:linear-gradient(135deg,#ff2e63,#c81b52);color:#fff;
  box-shadow:0 14px 26px -14px rgba(200,27,82,.95);
  transition:transform .2s ease,opacity .25s ease;
}
.float-dock a:hover,.float-dock button:hover{transform:translateY(-3px)}
#backTop{opacity:0;pointer-events:none;background:#fff;color:#a8123f;border:1px solid #f3bcd0;box-shadow:0 12px 22px -14px rgba(200,27,82,.8)}
#backTop.show{opacity:1;pointer-events:auto}

/* 动效 */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* 响应式 */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:34px}
  .hero-panel{max-width:620px}
  .about-grid{grid-template-columns:1fr;gap:28px}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(3,1fr)}
  .news-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .agent-banner{grid-template-columns:1fr;padding:30px 24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
}
@media (max-width:900px){
  .nav-toggle{display:flex}
  .nav-cta{display:none}
  .nav-links{
    display:none;position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border:1px solid #f7d7e1;border-radius:0 0 16px 16px;
    padding:8px 10px 12px;box-shadow:0 24px 36px -26px rgba(200,27,82,.7);
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:11px 12px;font-size:15px}
}
@media (max-width:640px){
  .section{padding:48px 0}
  .metrics{grid-template-columns:repeat(2,1fr);gap:12px}
  .grid-3,.grid-4,.grid-2{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:22px}
  .score-banner{padding:20px}
  .score-num{font-size:38px}
  .hero{padding:38px 0 12px}
  .about-media{grid-template-columns:1fr}
  .brand-name{font-size:17px}
  .float-dock a,.float-dock button{padding:10px 12px;font-size:12.5px}
}
@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .reveal{opacity:1;transform:none}
}