:root{
  --pink:#e5197a;
  --pink-2:#ff5c9d;
  --pink-deep:#b30f5e;
  --ink:#2a0f1d;
  --text:#43283a;
  --muted:#7d5c6f;
  --line:#f6d8e5;
  --soft:#fff2f7;
  --radius:16px;
  --shadow:0 18px 40px -26px rgba(190,20,100,.45);
}
*,*::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",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  color:var(--text);
  line-height:1.7;
  background-color:#fff7fa;
  background-image:
    radial-gradient(circle at 8% -4%, rgba(255,92,157,.20), transparent 42%),
    radial-gradient(circle at 94% 6%, rgba(229,25,122,.14), transparent 40%),
    radial-gradient(circle at 50% 104%, rgba(255,120,170,.18), transparent 50%);
  background-repeat:no-repeat;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--pink-deep);text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0}
h1,h2,h3{color:var(--ink);margin:0;line-height:1.3}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
section[id]{scroll-margin-top:84px}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;font-family:inherit;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
}
.btn-primary{
  background:linear-gradient(135deg,var(--pink-2),var(--pink) 55%,var(--pink-deep));
  color:#fff;box-shadow:0 14px 28px -14px rgba(229,25,122,.78);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 34px -14px rgba(229,25,122,.9)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  background:#fff;color:var(--pink-deep);border-color:#f6c9dc;
  box-shadow:0 10px 24px -18px rgba(190,20,100,.65);
}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--pink);color:var(--pink)}
.btn-sm{padding:9px 20px;font-size:14px}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.9);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .3s ease;
}
.site-header.scrolled{box-shadow:0 14px 32px -24px rgba(190,20,100,.7)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:10px 0;position:relative}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.ai-page-logo{max-height:38px;width:auto}
.nav-links{display:flex;align-items:center;gap:0;margin:0;padding:0}
.nav-links li{flex:0 0 auto}
.nav-links a{
  display:block;padding:8px 11px;border-radius:9px;
  font-size:14px;color:var(--text);font-weight:500;white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-links a:hover{color:var(--pink);background:#ffeaf3}
.header-cta{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;width:42px;height:42px;padding:0;border:1px solid var(--line);
  border-radius:12px;background:#fff;cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--pink-deep);transition:transform .25s ease,opacity .25s ease}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* 首屏 */
.hero{position:relative;overflow:hidden;padding:58px 0 46px}
.hero::before,
.hero::after{content:"";position:absolute;border-radius:50%;pointer-events:none}
.hero::before{
  width:520px;height:520px;right:-160px;top:-200px;
  background:radial-gradient(circle,rgba(255,92,157,.28),transparent 66%);
  animation:floaty 14s ease-in-out infinite;
}
.hero::after{
  width:420px;height:420px;left:-180px;bottom:-220px;
  background:radial-gradient(circle,rgba(229,25,122,.2),transparent 68%);
  animation:floaty 18s ease-in-out infinite reverse;
}
@keyframes floaty{
  0%,100%{transform:translate3d(0,0,0) scale(1)}
  50%{transform:translate3d(-18px,22px,0) scale(1.06)}
}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.08fr .92fr;gap:46px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:#ffe8f1;border:1px solid #fbd0e2;
  color:var(--pink-deep);font-size:13px;font-weight:600;
}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--pink);box-shadow:0 0 0 4px rgba(229,25,122,.14)}
.hero h1{font-size:clamp(28px,4.6vw,46px);margin:18px 0 16px;letter-spacing:-.6px}
.hero h1 .hl{color:var(--pink)}
.hero-lead{font-size:clamp(15px,1.6vw,17px);color:var(--muted);max-width:600px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.hero-note{margin-top:18px;font-size:13.5px;color:var(--muted)}
.hero-note span{color:var(--pink);font-weight:600}
.hero-panel{
  background:linear-gradient(160deg,#ffffff,#fff0f6);
  border:1px solid var(--line);border-radius:22px;padding:20px;
  box-shadow:var(--shadow);
  display:grid;grid-template-columns:1fr 1fr;gap:14px;
}
.stat{
  background:#fff;border:1px solid #fbe0ea;border-radius:14px;padding:16px 14px;
  display:flex;flex-direction:column;gap:2px;
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.stat:hover{transform:translateY(-4px);border-color:#f8bcd7;box-shadow:0 16px 28px -22px rgba(190,20,100,.8)}
.stat strong{font-size:26px;line-height:1.15;font-weight:800;color:var(--pink-deep);letter-spacing:-.5px}
.stat span{font-size:13px;color:var(--muted)}

/* 通用板块 */
.section{padding:64px 0;position:relative}
.section--panel{
  background:linear-gradient(180deg,rgba(255,255,255,.86),rgba(255,242,247,.92));
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.section-head{max-width:780px;margin:0 auto 38px;text-align:center}
.tag{
  display:inline-block;padding:5px 14px;border-radius:999px;
  background:#ffe8f1;color:var(--pink-deep);
  font-size:13px;font-weight:600;border:1px solid #fbd0e2;
}
.section-head h2{font-size:clamp(22px,3vw,32px);margin:14px 0 12px;letter-spacing:-.4px}
.section-head p{color:var(--muted);font-size:15px}

/* 关于我们 */
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:start}
.about-text p{color:var(--muted);font-size:15px}
.about-list{display:grid;gap:14px;margin-top:22px}
.about-list li{display:grid;grid-template-columns:22px 1fr;gap:10px;align-items:start;font-size:14.5px;color:var(--muted)}
.about-list li::before{
  content:"✓";display:flex;align-items:center;justify-content:center;
  width:20px;height:20px;border-radius:50%;margin-top:5px;
  background:linear-gradient(135deg,var(--pink-2),var(--pink));
  color:#fff;font-size:11px;font-weight:700;
}
.about-list strong{color:var(--ink);font-size:15px}
.about-media{
  margin:0;background:#fff;border:1px solid var(--line);border-radius:20px;
  padding:14px;box-shadow:var(--shadow);
}
.about-media img{width:100%;height:auto;border-radius:12px;object-fit:contain;background:#fff6fa}
.about-media figcaption{margin-top:12px;font-size:13.5px;color:var(--muted);text-align:center}

/* 服务卡片 */
.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(258px,1fr));gap:20px}
.service-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 20px;box-shadow:0 14px 30px -26px rgba(190,20,100,.55);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.service-card:hover{transform:translateY(-5px);border-color:#f8bcd7;box-shadow:0 24px 40px -28px rgba(190,20,100,.85)}
.service-card h3{font-size:17px;margin-bottom:8px}
.service-card h3::after{
  content:"";display:block;width:28px;height:3px;border-radius:3px;margin-top:10px;
  background:linear-gradient(90deg,var(--pink-2),var(--pink));
}
.service-card p{font-size:14px;color:var(--muted);margin-top:10px}

/* 模型标签云 */
.tagcloud-box{
  margin-top:32px;background:#fff;border:1px solid var(--line);border-radius:20px;
  padding:24px 22px;box-shadow:0 16px 34px -30px rgba(190,20,100,.6);
}
.tagcloud-box h3{font-size:16px;margin-bottom:14px}
.tagcloud{display:flex;flex-wrap:wrap;gap:9px}
.chip{
  padding:6px 14px;border-radius:999px;font-size:13px;
  background:#fff4f8;border:1px solid #f9d5e4;color:#8a3560;
  transition:background .22s ease,color .22s ease,transform .22s ease,border-color .22s ease;
}
.chip:hover{background:linear-gradient(135deg,var(--pink-2),var(--pink));color:#fff;border-color:transparent;transform:translateY(-2px)}

/* 能力列表 */
.capability-list{border-top:1px solid var(--line)}
.capability-list li{
  display:grid;grid-template-columns:230px 1fr;gap:20px;align-items:start;
  padding:20px 0;border-bottom:1px dashed var(--line);
}
.capability-list h3{font-size:16.5px;color:var(--pink-deep)}
.capability-list p{font-size:14.5px;color:var(--muted)}

/* 流程步骤 */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(196px,1fr));gap:16px}
.steps li{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 18px;box-shadow:0 14px 30px -28px rgba(190,20,100,.7);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.steps li:hover{transform:translateY(-5px);border-color:#f8bcd7;box-shadow:0 22px 38px -28px rgba(190,20,100,.85)}
.step-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:12px;margin-bottom:12px;
  background:linear-gradient(135deg,#ffe3ee,#ffd0e3);
  color:var(--pink-deep);font-weight:800;font-size:14px;letter-spacing:.5px;
}
.steps h3{font-size:16px;margin-bottom:6px}
.steps p{font-size:13.8px;color:var(--muted)}

/* 行业方案 */
.solution-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(272px,1fr));gap:18px}
.solution-card{
  background:linear-gradient(165deg,#ffffff,#fff6fa);
  border:1px solid var(--line);border-radius:var(--radius);padding:22px 20px;
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.solution-card:hover{transform:translateY(-5px);border-color:#f8bcd7;box-shadow:0 24px 42px -30px rgba(190,20,100,.85)}
.solution-card h3{font-size:16.5px;margin-bottom:8px;color:var(--pink-deep)}
.solution-card p{font-size:14px;color:var(--muted)}

/* 服务网络 */
.network-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.network-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px 18px;
  border-left:3px solid var(--pink);
  transition:transform .28s ease,box-shadow .28s ease;
}
.network-item:hover{transform:translateY(-4px);box-shadow:0 18px 32px -28px rgba(190,20,100,.9)}
.network-item h3{font-size:15.5px;margin-bottom:6px}
.network-item p{font-size:13.8px;color:var(--muted)}

/* 案例 */
.case-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:22px}
.case-card{
  background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;
  box-shadow:0 16px 34px -30px rgba(190,20,100,.7);
  transition:transform .3s ease,box-shadow .3s ease;
}
.case-card:hover{transform:translateY(-6px);box-shadow:0 28px 46px -30px rgba(190,20,100,.9)}
.case-media{background:#fff4f9;padding:12px}
.case-media img{width:100%;height:auto;border-radius:12px;object-fit:contain}
.case-body{padding:18px 20px 22px}
.case-body h3{font-size:16.5px;margin-bottom:8px}
.case-body p{font-size:14px;color:var(--muted)}

/* 对比评测 */
.score-board{
  display:flex;flex-wrap:wrap;align-items:center;gap:24px;
  background:linear-gradient(135deg,#fff0f6,#ffffff);
  border:1px solid #f9d0e2;border-radius:20px;padding:24px 26px;margin-bottom:26px;
  box-shadow:0 20px 40px -32px rgba(190,20,100,.8);
}
.score-main{display:flex;align-items:baseline;gap:6px}
.score-num{font-size:52px;font-weight:800;color:var(--pink);line-height:1;letter-spacing:-2px}
.score-total{font-size:18px;color:var(--muted)}
.score-meta p{font-size:14.5px;color:var(--muted);margin-top:4px}
.stars{font-size:20px;letter-spacing:4px;color:#ffa600}
.table-scroll{
  overflow-x:auto;-webkit-overflow-scrolling:touch;
  border:1px solid var(--line);border-radius:16px;background:#fff;
  box-shadow:0 18px 38px -34px rgba(190,20,100,.7);
}
table{border-collapse:collapse;width:100%;min-width:720px;font-size:14.5px}
thead th{
  background:linear-gradient(135deg,#ffe6f0,#fff6fa);
  color:var(--pink-deep);font-weight:700;text-align:left;
  padding:14px 18px;border-bottom:1px solid #f9d3e4;white-space:nowrap;
}
tbody td{padding:14px 18px;border-bottom:1px solid #fbe6ee;color:var(--muted);vertical-align:top}
tbody td:first-child{color:var(--ink);font-weight:600;white-space:nowrap}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover{background:#fff8fb}
td.best{color:var(--pink-deep);font-weight:600}

/* Token 比价 */
.price-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px}
.price-card{
  background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px 20px;
  border-top:3px solid var(--pink);
  transition:transform .28s ease,box-shadow .28s ease;
}
.price-card:hover{transform:translateY(-5px);box-shadow:0 24px 40px -30px rgba(190,20,100,.9)}
.price-card h3{font-size:16.5px;margin-bottom:8px;color:var(--pink-deep)}
.price-card p{font-size:14px;color:var(--muted)}
.price-note{margin-top:20px;font-size:13.5px;color:var(--muted);text-align:center}

/* 用户评论 */
.voice-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px}
.voice-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:18px;
  padding:24px 22px 20px;box-shadow:0 16px 34px -32px rgba(190,20,100,.8);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.voice-card:hover{transform:translateY(-5px);border-color:#f8bcd7;box-shadow:0 26px 44px -30px rgba(190,20,100,.85)}
.voice-card::before{
  content:"“";position:absolute;top:8px;right:20px;
  font-size:46px;line-height:1;color:#ffd7e7;font-family:Georgia,serif;
}
.voice-card p{font-size:14.5px;color:var(--text);position:relative;z-index:1}
.voice-meta{margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);font-size:13.5px}
.voice-meta strong{color:var(--pink-deep);font-size:14px}
.voice-meta span{color:var(--muted);margin-left:8px}

/* FAQ */
.faq-wrap{max-width:900px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;
  transition:box-shadow .25s ease,border-color .25s ease;
}
.faq-item + .faq-item{margin-top:12px}
.faq-item summary{
  cursor:pointer;padding:16px 52px 16px 18px;font-weight:600;
  font-size:15.5px;color:var(--ink);position:relative;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";position:absolute;right:22px;top:50%;width:9px;height:9px;
  border-right:2px solid var(--pink);border-bottom:2px solid var(--pink);
  transform:translateY(-70%) rotate(45deg);transition:transform .25s ease;
}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq-item[open]{border-color:#f7bcd6;box-shadow:0 18px 34px -28px rgba(190,20,100,.75)}
.faq-item[open] summary{color:var(--pink-deep)}
.faq-answer{padding:0 18px 16px;font-size:14.5px;color:var(--muted)}

/* 文章 */
.article-list{display:grid;gap:12px;max-width:920px;margin:0 auto}
.article-item{
  display:grid;grid-template-columns:1fr auto;gap:16px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 20px;
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease,background .26s ease;
}
.article-item:hover{transform:translateX(4px);border-color:#f8bcd7;background:#fffafc;box-shadow:0 18px 32px -30px rgba(190,20,100,.9)}
.article-item h3{font-size:15.5px;margin-bottom:4px}
.article-item p{font-size:13.5px;color:var(--muted)}
.article-more{font-size:13.5px;font-weight:600;color:var(--pink);white-space:nowrap}

/* 加盟代理 */
.join-box{
  background:linear-gradient(135deg,#ff6aa9,#e5197a 60%,#a80f58);
  border-radius:24px;padding:40px 32px;color:#fff;
  display:grid;grid-template-columns:1.4fr auto;gap:26px;align-items:center;
  box-shadow:0 30px 60px -34px rgba(190,20,100,.95);
}
.join-box h2{color:#fff;font-size:clamp(20px,2.6vw,28px);margin-bottom:10px}
.join-box p{color:#ffe3ee;font-size:14.5px;max-width:640px}
.join-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.join-points span{
  padding:5px 14px;border-radius:999px;font-size:13px;
  background:rgba(255,255,255,.18);color:#fff;border:1px solid rgba(255,255,255,.4);
}
.join-box .btn-light{
  background:#fff;color:var(--pink-deep);border-color:#fff;
  box-shadow:0 16px 30px -18px rgba(0,0,0,.4);white-space:nowrap;
}
.join-box .btn-light:hover{transform:translateY(-2px);background:#fff6fa}

/* 联系表单 */
.contact-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:28px;align-items:start}
.contact-form{
  background:#fff;border:1px solid var(--line);border-radius:20px;padding:26px 24px;
  box-shadow:0 20px 44px -34px rgba(190,20,100,.8);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:6px}
.field-full{grid-column:1 / -1}
.field-label{font-size:13.5px;font-weight:600;color:var(--ink)}
.field input,
.field select,
.field textarea{
  width:100%;padding:12px 14px;border-radius:11px;border:1px solid #f3d3e1;
  background:#fffafc;color:var(--text);font-size:14.5px;font-family:inherit;
  transition:border-color .22s ease,box-shadow .22s ease,background .22s ease;
}
.field textarea{resize:vertical;min-height:104px}
.field input::placeholder,
.field textarea::placeholder{color:#b598a8}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;background:#fff;border-color:var(--pink);
  box-shadow:0 0 0 3px rgba(229,25,122,.12);
}
.form-submit{margin-top:20px;width:100%}
.contact-info{
  background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px 22px;
  box-shadow:0 20px 44px -34px rgba(190,20,100,.8);
}
.contact-info h3{font-size:16.5px;margin-bottom:14px}
.contact-list{display:grid;gap:12px;font-size:14px;color:var(--muted)}
.contact-list span{color:var(--ink);font-weight:600}
.qr-box{margin-top:18px;padding-top:18px;border-top:1px dashed var(--line);text-align:center}
.qr-box img{width:150px;height:auto;margin:0 auto 10px;border-radius:10px;border:1px solid var(--line);background:#fff}
.qr-box p{font-size:13px;color:var(--muted)}

/* 页脚 */
.site-footer{
  background:#2a0f1d;color:#ffd9e8;padding:44px 0 22px;margin-top:8px;
}
.footer-top{display:grid;grid-template-columns:1.2fr 1fr;gap:32px;align-items:start}
.footer-title{font-size:19px;font-weight:700;color:#fff;margin-bottom:10px}
.footer-desc{font-size:13.8px;color:#f0c2d7;max-width:460px}
.footer-contact{margin-top:12px;font-size:13.5px;color:#ffb9d5}
.footer-contact a{color:#ffd9e8}
.footer-contact a:hover{color:#fff;text-decoration:underline}
.footer-links-title{font-size:14.5px;font-weight:600;color:#fff;margin-bottom:12px}
.link-cloud{display:flex;flex-wrap:wrap;gap:8px}
.link-cloud a{
  display:inline-block;padding:5px 12px;border-radius:999px;font-size:13px;
  color:#ffc9de;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);
  transition:background .22s ease,color .22s ease,transform .22s ease;
}
.link-cloud a:hover{background:rgba(255,255,255,.2);color:#fff;transform:translateY(-2px)}
.footer-bottom{
  margin-top:28px;padding-top:18px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:#e8b3cc;
}
.footer-bottom a{color:#ffd9e8}
.footer-bottom a:hover{color:#fff;text-decoration:underline}

/* 浮动客服 */
.float-dock{position:fixed;right:18px;bottom:22px;z-index:90;display:flex;flex-direction:column;gap:10px}
.dock-btn{
  width:52px;height:52px;border-radius:16px;border:1px solid #f6c9dc;
  background:#fff;color:var(--pink-deep);font-size:13px;font-weight:700;
  cursor:pointer;font-family:inherit;
  box-shadow:0 16px 30px -18px rgba(190,20,100,.85);
  transition:transform .24s ease,background .24s ease,color .24s ease;
}
.dock-btn:hover{transform:translateY(-3px);background:linear-gradient(135deg,var(--pink-2),var(--pink));color:#fff;border-color:transparent}
.kefu-panel{
  position:fixed;right:18px;bottom:86px;z-index:95;
  width:230px;background:#fff;border:1px solid var(--line);border-radius:18px;
  padding:16px;box-shadow:0 26px 50px -26px rgba(190,20,100,.85);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .26s ease,transform .26s ease,visibility .26s;
}
.kefu-panel.open{opacity:1;visibility:visible;transform:translateY(0)}
.kefu-panel img{width:100%;height:auto;border-radius:10px;background:#fff5f9}
.kefu-panel p{font-size:13px;color:var(--muted);margin-top:10px;text-align:center;line-height:1.6}
.kefu-panel strong{color:var(--pink-deep)}

/* 进场动画 */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-visible{opacity:1;transform:translateY(0)}

/* 响应式 */
@media (max-width:1024px){
  .nav-links{display:none}
  .nav-links.open{
    display:flex;flex-direction:column;align-items:stretch;
    position:absolute;left:0;right:0;top:100%;
    background:#fff;border-bottom:1px solid var(--line);
    padding:10px 20px 16px;
    box-shadow:0 22px 36px -26px rgba(190,20,100,.7);
  }
  .nav-links.open a{padding:11px 8px;font-size:15px}
  .header-cta{display:none}
  .nav-toggle{display:flex}
}
@media (max-width:960px){
  .hero-inner{grid-template-columns:1fr;gap:30px}
  .about-grid{grid-template-columns:1fr;gap:26px}
  .contact-grid{grid-template-columns:1fr}
  .join-box{grid-template-columns:1fr;padding:32px 24px}
  .footer-top{grid-template-columns:1fr;gap:24px}
}
@media (max-width:640px){
  .section{padding:48px 0}
  .hero{padding:40px 0 34px}
  .hero-panel{padding:16px;gap:12px}
  .stat strong{font-size:22px}
  .form-grid{grid-template-columns:1fr}
  .capability-list li{grid-template-columns:1fr;gap:4px}
  .score-board{padding:20px 18px;gap:14px}
  .score-num{font-size:42px}
  .article-item{grid-template-columns:1fr;gap:8px}
  .footer-bottom{flex-direction:column}
  .float-dock{right:12px;bottom:16px}
  .kefu-panel{right:12px;bottom:80px;width:calc(100% - 24px);max-width:250px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important}
  .reveal{opacity:1;transform:none}
}