*{box-sizing:border-box}
html{scroll-behavior:smooth;background:#f6f7fd}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  color:#141a2e;
  font-size:16px;
  line-height:1.7;
  background-color:#f6f7fd;
  background-image:
    radial-gradient(900px 520px at 8% -5%,rgba(99,102,241,.20),transparent 62%),
    radial-gradient(820px 480px at 92% 2%,rgba(14,165,233,.18),transparent 62%),
    radial-gradient(900px 620px at 50% 104%,rgba(236,72,153,.13),transparent 62%),
    linear-gradient(180deg,#f7f8ff 0%,#f4f6ff 48%,#fdf6fb 100%);
  background-attachment:fixed;
  background-repeat:no-repeat;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:#4338ca}
h1,h2,h3,h4{margin:0;color:#101728;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
section[id]{scroll-margin-top:88px}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.80);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(20,26,46,.07);
}
.nav-bar{position:relative;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:70px}
.brand{display:flex;align-items:center;flex-shrink:0}
.brand .ai-page-logo{width:142px;max-height:40px;object-fit:contain;height:auto;max-width:100%}
.nav-links{display:flex;align-items:center;gap:0;margin:0;padding:0;list-style:none;flex-wrap:nowrap}
.nav-links a{display:block;padding:8px 11px;font-size:14.5px;font-weight:500;color:#3b4460;text-decoration:none;border-radius:9px;transition:color .2s,background .2s;white-space:nowrap}
.nav-links a:hover,.nav-links a:focus-visible{color:#4f46e5;background:rgba(79,70,229,.08)}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:11px;border:1px solid rgba(20,26,46,.12);
  background:#fff;align-items:center;justify-content:center;cursor:pointer;padding:0;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#141a2e;border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:#141a2e;border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:999px;font-size:15px;font-weight:600;
  text-decoration:none;border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:linear-gradient(135deg,#5b5bf5,#0ea5e9);color:#fff;box-shadow:0 10px 24px rgba(79,70,229,.28)}
.btn-primary:hover,.btn-primary:focus-visible{transform:translateY(-2px);box-shadow:0 16px 32px rgba(79,70,229,.34)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:rgba(255,255,255,.9);color:#1c2440;border-color:rgba(20,26,46,.14);box-shadow:0 6px 16px rgba(28,38,80,.06)}
.btn-ghost:hover{transform:translateY(-2px);border-color:rgba(79,70,229,.35);box-shadow:0 12px 26px rgba(28,38,80,.10)}
.btn-sm{padding:9px 18px;font-size:14px}

/* 首屏 */
.hero{padding:62px 0 34px;position:relative}
.hero-inner{display:grid;grid-template-columns:1.08fr .92fr;gap:46px;align-items:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;padding:7px 15px;border-radius:999px;
  background:rgba(79,70,229,.10);color:#4338ca;font-size:13.5px;font-weight:600;
  border:1px solid rgba(79,70,229,.18);margin-bottom:20px;
}
.hero-badge .dot{width:7px;height:7px;border-radius:50%;background:#0ea5e9;box-shadow:0 0 0 0 rgba(14,165,233,.6);animation:pulse 2.4s infinite}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(14,165,233,.55)}
  70%{box-shadow:0 0 0 10px rgba(14,165,233,0)}
  100%{box-shadow:0 0 0 0 rgba(14,165,233,0)}
}
h1{font-size:clamp(30px,4.3vw,46px);line-height:1.22;font-weight:800;margin:0 0 18px}
.hero-lead{font-size:clamp(15px,1.5vw,17px);color:#4d5670;margin:0 0 26px;max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px}
.hero-points li{position:relative;padding-left:22px;font-size:14.5px;color:#48526c}
.hero-points li::before{
  content:"";position:absolute;left:0;top:8px;width:12px;height:7px;
  border-left:2px solid #0ea5e9;border-bottom:2px solid #0ea5e9;transform:rotate(-45deg);border-radius:1px;
}
.hero-visual{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.vision-card{
  background:rgba(255,255,255,.94);
  border:1px solid rgba(20,26,46,.08);
  border-radius:18px;padding:18px;
  box-shadow:0 12px 30px rgba(28,38,80,.09);
  animation:floaty 6.5s ease-in-out infinite;
}
.vision-card.wide{grid-column:span 2;background:linear-gradient(135deg,rgba(99,102,241,.10),rgba(14,165,233,.10)),#fff}
.vision-card:nth-child(2){animation-delay:-2.2s}
.vision-card:nth-child(3){animation-delay:-4.4s}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-7px)}}
.vc-tag{display:inline-block;font-size:12.5px;font-weight:700;color:#4338ca;background:rgba(79,70,229,.10);border-radius:999px;padding:3px 11px;margin-bottom:10px}
.vc-title{font-size:15px;font-weight:700;color:#182138;margin:0 0 12px}
.vc-line{height:8px;border-radius:6px;background:linear-gradient(90deg,rgba(99,102,241,.32),rgba(14,165,233,.10));margin-bottom:8px}
.vc-line.short{width:62%}
.vision-card:not(.wide) .vc-title{margin-bottom:0}

/* 数据指标 */
.metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:46px}
.metric{
  background:rgba(255,255,255,.88);
  border:1px solid rgba(20,26,46,.07);
  border-radius:16px;padding:18px 14px;text-align:center;
  box-shadow:0 8px 22px rgba(28,38,80,.06);
  transition:transform .25s ease,box-shadow .25s ease;
}
.metric:hover{transform:translateY(-4px);box-shadow:0 16px 30px rgba(28,38,80,.11)}
.metric strong{display:block;font-size:26px;line-height:1.2;color:#4338ca;font-weight:800}
.metric span{font-size:13px;color:#5c6580}

/* 通用区块 */
.section{padding:58px 0}
.section-head{max-width:790px;margin:0 auto 34px;text-align:center}
.eyebrow{display:inline-block;padding:6px 14px;border-radius:999px;background:rgba(14,165,233,.10);color:#0369a1;font-size:13px;font-weight:700;letter-spacing:.06em;margin-bottom:14px}
h2{font-size:clamp(23px,3vw,32px);line-height:1.32;margin:0 0 12px;font-weight:800}
.section-sub{color:#5c6580;font-size:15.5px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.grid-auto{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:16px}
.card{
  background:#fff;border:1px solid rgba(20,26,46,.08);border-radius:18px;padding:22px;
  box-shadow:0 6px 20px rgba(28,38,80,.06);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:0 18px 36px rgba(28,38,80,.12);border-color:rgba(79,70,229,.24)}
.card h3{font-size:17px;margin:0 0 8px;font-weight:700}
.card p{font-size:14.5px;color:#5c6580;line-height:1.68}
.icon{width:44px;height:44px;border-radius:13px;display:flex;align-items:center;justify-content:center;margin-bottom:14px;background:linear-gradient(135deg,rgba(99,102,241,.15),rgba(14,165,233,.17));color:#4338ca}
.icon svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* 关于我们 */
.about-grid{display:grid;grid-template-columns:1.35fr .85fr;gap:22px;align-items:start}
.about-text p{font-size:15.5px;color:#48526c;margin-bottom:14px}
.check-list{margin-top:6px;display:grid;gap:11px}
.check-list li{position:relative;padding-left:26px;font-size:15px;color:#333d58}
.check-list li::before{
  content:"";position:absolute;left:0;top:7px;width:13px;height:8px;
  border-left:2px solid #4f46e5;border-bottom:2px solid #4f46e5;transform:rotate(-45deg);border-radius:1px;
}
.about-card{background:linear-gradient(160deg,rgba(99,102,241,.09),rgba(14,165,233,.08)),#fff;border:1px solid rgba(79,70,229,.16);border-radius:18px;padding:22px;box-shadow:0 10px 26px rgba(28,38,80,.08)}
.about-card h3{font-size:16.5px;margin:0 0 14px}
.tag-list{display:flex;flex-wrap:wrap;gap:9px}
.tag-list li{font-size:13.5px;color:#3b4460;background:rgba(255,255,255,.9);border:1px solid rgba(79,70,229,.18);border-radius:999px;padding:5px 13px;transition:background .2s,color .2s,transform .2s}
.tag-list li:hover{background:#4f46e5;color:#fff;border-color:#4f46e5;transform:translateY(-2px)}

/* 一站式制作 */
.output-card{background:#fff;border:1px solid rgba(20,26,46,.08);border-radius:16px;padding:20px;box-shadow:0 6px 18px rgba(28,38,80,.05);transition:transform .25s ease,box-shadow .25s ease}
.output-card:hover{transform:translateY(-4px);box-shadow:0 16px 32px rgba(28,38,80,.11)}
.output-card h3{font-size:16px;margin:0 0 8px}
.output-card p{font-size:14px;color:#5c6580}

/* 流程 */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;counter-reset:step}
.step{position:relative;background:#fff;border:1px solid rgba(20,26,46,.08);border-radius:16px;padding:22px 20px 20px;box-shadow:0 6px 18px rgba(28,38,80,.05);transition:transform .25s ease,box-shadow .25s ease}
.step:hover{transform:translateY(-4px);box-shadow:0 16px 32px rgba(28,38,80,.11)}
.step-no{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,#5b5bf5,#0ea5e9);color:#fff;font-size:14px;font-weight:700;margin-bottom:12px}
.step h3{font-size:16px;margin:0 0 7px}
.step p{font-size:14px;color:#5c6580}

/* 案例 */
.case-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.case-card{background:#fff;border:1px solid rgba(20,26,46,.08);border-radius:18px;overflow:hidden;box-shadow:0 6px 20px rgba(28,38,80,.06);transition:transform .25s ease,box-shadow .25s ease}
.case-card:hover{transform:translateY(-5px);box-shadow:0 20px 38px rgba(28,38,80,.13)}
.case-media{aspect-ratio:4/3;background:linear-gradient(135deg,#eef1ff,#eaf6ff);display:flex;align-items:center;justify-content:center;padding:10px}
.case-media img{width:100%;height:100%;object-fit:contain}
.case-body{padding:16px 18px 20px}
.case-body h3{font-size:16px;margin:0 0 6px}
.case-body p{font-size:14px;color:#5c6580}

/* 对比评测 */
.review-hero{display:grid;grid-template-columns:.72fr 1.28fr;gap:20px;align-items:stretch;margin-bottom:22px}
.score-card{
  background:linear-gradient(150deg,#5b5bf5,#0ea5e9);
  border-radius:20px;padding:26px 24px;color:#fff;
  box-shadow:0 18px 38px rgba(79,70,229,.30);
  display:flex;flex-direction:column;justify-content:center;gap:8px;
}
.score-card .score-label{font-size:13.5px;letter-spacing:.1em;opacity:.92}
.score-card .score-num{font-size:46px;font-weight:800;line-height:1.1;color:#fff}
.score-card .score-num small{font-size:16px;font-weight:600;opacity:.9}
.score-card .stars{font-size:19px;letter-spacing:3px;color:#ffe27a}
.score-card .score-text{font-size:14px;color:#f2f6ff;line-height:1.7}
.review-points{background:#fff;border:1px solid rgba(20,26,46,.08);border-radius:20px;padding:24px;box-shadow:0 10px 26px rgba(28,38,80,.07)}
.review-points h3{font-size:17px;margin:0 0 14px}
.point-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 18px}
.point-grid li{position:relative;padding-left:22px;font-size:14.5px;color:#39425c}
.point-grid li::before{
  content:"";position:absolute;left:0;top:7px;width:12px;height:7px;
  border-left:2px solid #0ea5e9;border-bottom:2px solid #0ea5e9;transform:rotate(-45deg);border-radius:1px;
}
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:16px;border:1px solid rgba(20,26,46,.08);background:#fff;box-shadow:0 8px 22px rgba(28,38,80,.06)}
table{width:100%;border-collapse:collapse;min-width:660px;font-size:14.5px}
thead th{background:rgba(79,70,229,.07);color:#232b45;font-weight:700;white-space:nowrap}
th,td{padding:14px 16px;text-align:left;border-bottom:1px solid rgba(20,26,46,.07);vertical-align:top}
tbody tr:last-child th,tbody tr:last-child td{border-bottom:none}
tbody tr:hover{background:rgba(79,70,229,.035)}
td{color:#4a5470}
tbody th{font-weight:600;color:#1c2440;white-space:nowrap;background:rgba(248,249,255,.7)}
td strong{color:#141a2e}

/* 表单 */
.form-card{background:#fff;border:1px solid rgba(20,26,46,.08);border-radius:20px;padding:26px;box-shadow:0 12px 30px rgba(28,38,80,.08)}
.demand-form{display:grid;gap:16px}
.form-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.field{display:flex;flex-direction:column;gap:7px}
.field span{font-size:14px;font-weight:600;color:#2b3350}
.field input,.field select,.field textarea{
  width:100%;padding:11px 14px;border-radius:11px;border:1px solid rgba(20,26,46,.14);
  background:#fbfcff;color:#141a2e;font-size:14.5px;font-family:inherit;transition:border-color .2s,box-shadow .2s,background .2s;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:#6366f1;background:#fff;box-shadow:0 0 0 3px rgba(99,102,241,.14);
}
.field textarea{resize:vertical;min-height:110px}
.form-submit{justify-self:start;padding:13px 34px}
.form-note{font-size:13px;color:#7b839a}

/* 标签云 */
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.tag-cloud li a{
  display:inline-block;font-size:14px;color:#3b4460;background:#fff;
  border:1px solid rgba(20,26,46,.10);border-radius:999px;padding:7px 16px;text-decoration:none;
  transition:transform .2s,color .2s,background .2s,border-color .2s;
}
.tag-cloud li a:hover{transform:translateY(-3px);background:linear-gradient(135deg,#5b5bf5,#0ea5e9);color:#fff;border-color:transparent}

/* 文章 */
.article-feed{margin-bottom:18px;background:rgba(255,255,255,.7);border:1px dashed rgba(79,70,229,.28);border-radius:14px;padding:14px 18px;font-size:14px;color:#5c6580}
.article-list{display:grid;gap:12px}
.article-item{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:#fff;border:1px solid rgba(20,26,46,.08);border-radius:14px;padding:16px 20px;
  text-decoration:none;transition:transform .2s,box-shadow .2s,border-color .2s;
}
.article-item:hover{transform:translateX(4px);box-shadow:0 10px 24px rgba(28,38,80,.10);border-color:rgba(79,70,229,.26)}
.article-item strong{font-size:15px;color:#182138;font-weight:600}
.article-item span{font-size:13px;color:#7b839a;white-space:nowrap}

/* 用户评论 */
.review-card{background:#fff;border:1px solid rgba(20,26,46,.08);border-radius:18px;padding:22px;box-shadow:0 6px 20px rgba(28,38,80,.06);display:flex;flex-direction:column;gap:16px;transition:transform .25s ease,box-shadow .25s ease}
.review-card:hover{transform:translateY(-4px);box-shadow:0 18px 36px rgba(28,38,80,.12)}
.review-text{font-size:14.8px;color:#39425c;line-height:1.78;flex:1}
.review-author{display:flex;align-items:center;gap:11px}
.avatar{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:15px;background:linear-gradient(135deg,#6366f1,#0ea5e9);flex-shrink:0}
.review-author strong{display:block;font-size:14.5px;color:#141a2e}
.review-author span{display:block;font-size:12.5px;color:#7b839a}

/* 加盟代理 */
.agent-card{
  background:linear-gradient(135deg,rgba(99,102,241,.12),rgba(14,165,233,.12) 55%,rgba(236,72,153,.10)),#fff;
  border:1px solid rgba(79,70,229,.18);border-radius:22px;padding:32px;
  display:grid;grid-template-columns:1.4fr .6fr;gap:24px;align-items:center;
  box-shadow:0 16px 36px rgba(28,38,80,.09);
}
.agent-card h2{margin-bottom:10px}
.agent-card p{font-size:15px;color:#48526c;margin-bottom:8px}
.agent-actions{display:flex;flex-direction:column;gap:12px}

/* 联系我们 */
.contact-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:20px;align-items:start}
.contact-list{display:grid;gap:12px}
.contact-item{display:flex;align-items:flex-start;gap:12px;background:#fff;border:1px solid rgba(20,26,46,.08);border-radius:14px;padding:15px 18px;box-shadow:0 5px 16px rgba(28,38,80,.05)}
.contact-item .k{font-size:13px;color:#7b839a;min-width:76px;padding-top:2px}
.contact-item .v{font-size:14.8px;color:#182138;font-weight:600;word-break:break-all}
.contact-item .v a{color:#4338ca;text-decoration:none}
.contact-item .v a:hover{text-decoration:underline}
.qr-card{background:#fff;border:1px solid rgba(20,26,46,.08);border-radius:18px;padding:22px;text-align:center;box-shadow:0 10px 26px rgba(28,38,80,.07)}
.qr-card img{width:170px;height:170px;object-fit:contain;margin:0 auto 12px;border-radius:12px;background:#f6f7fd}
.qr-card p{font-size:14px;color:#5c6580}

/* 帮助中心 */
.help-card{display:block;text-decoration:none;background:#fff;border:1px solid rgba(20,26,46,.08);border-radius:16px;padding:18px 20px;box-shadow:0 5px 16px rgba(28,38,80,.05);transition:transform .22s,box-shadow .22s,border-color .22s}
.help-card:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(28,38,80,.11);border-color:rgba(79,70,229,.28)}
.help-card strong{display:block;font-size:15px;color:#182138;margin-bottom:5px}
.help-card span{font-size:13.5px;color:#7b839a}

/* FAQ */
.faq-list{display:grid;gap:12px;max-width:900px;margin:0 auto}
.faq-item{background:#fff;border:1px solid rgba(20,26,46,.08);border-radius:14px;overflow:hidden;transition:border-color .25s,box-shadow .25s}
.faq-item.open{border-color:rgba(79,70,229,.3);box-shadow:0 12px 26px rgba(28,38,80,.09)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:17px 20px;background:none;border:none;font-size:15.5px;font-weight:600;color:#141a2e;text-align:left;cursor:pointer}
.faq-q:hover{color:#4f46e5}
.plus{width:22px;height:22px;flex-shrink:0;position:relative}
.plus::before,.plus::after{content:"";position:absolute;background:#4f46e5;border-radius:2px}
.plus::before{left:3px;top:10px;width:16px;height:2px}
.plus::after{left:10px;top:3px;width:2px;height:16px;transition:transform .28s,opacity .28s}
.faq-item.open .plus::after{transform:rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.faq-a p{padding:0 20px 18px;font-size:14.5px;color:#4a5470;line-height:1.78}

/* 页脚 */
.site-footer{margin-top:20px;background:rgba(255,255,255,.78);border-top:1px solid rgba(20,26,46,.08);padding:36px 0 22px}
.footer-top{display:grid;grid-template-columns:1.3fr .7fr;gap:28px;align-items:start}
.footer-brand .ai-page-logo{width:142px;max-height:40px;object-fit:contain;margin-bottom:14px}
.footer-brand p{font-size:14.5px;color:#5c6580;max-width:460px;margin-bottom:16px}
.footer-links h3{font-size:15px;margin:0 0 12px;color:#141a2e}
.footer-links ul{display:flex;flex-wrap:wrap;gap:8px 16px}
.footer-links a{font-size:14px;color:#3f4a66;text-decoration:none;transition:color .2s}
.footer-links a:hover{color:#4f46e5;text-decoration:underline}
.footer-bottom{margin-top:26px;padding-top:16px;border-top:1px solid rgba(20,26,46,.08);display:flex;flex-wrap:wrap;gap:8px 18px;justify-content:space-between;align-items:center}
.footer-bottom p{font-size:13px;color:#7b839a}

/* 浮动工具 */
.float-tools{position:fixed;right:18px;bottom:24px;z-index:70;display:flex;flex-direction:column;gap:10px}
.tool-btn{
  width:56px;height:56px;border-radius:50%;border:none;cursor:pointer;
  font-size:12.5px;font-weight:700;color:#fff;line-height:1.15;
  background:linear-gradient(135deg,#5b5bf5,#0ea5e9);
  box-shadow:0 10px 24px rgba(79,70,229,.34);
  transition:transform .2s,box-shadow .2s,opacity .25s;
}
.tool-btn:hover{transform:translateY(-3px);box-shadow:0 16px 30px rgba(79,70,229,.42)}
.back-top{opacity:0;visibility:hidden;background:linear-gradient(135deg,#334155,#0f172a)}
.back-top.show{opacity:1;visibility:visible}
.service-panel{
  position:fixed;right:18px;bottom:154px;z-index:70;width:236px;
  background:#fff;border:1px solid rgba(20,26,46,.10);border-radius:16px;padding:16px;text-align:center;
  box-shadow:0 22px 44px rgba(20,26,46,.20);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s,transform .25s,visibility .25s;
}
.service-panel.open{opacity:1;visibility:visible;transform:none}
.service-panel img{width:150px;height:150px;object-fit:contain;margin:0 auto 10px;border-radius:10px;background:#f6f7fd}
.service-panel p{font-size:13px;color:#4a5470;line-height:1.6}
.service-panel strong{display:block;font-size:14px;color:#141a2e;margin-bottom:6px}

/* 入场动画 */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s cubic-bezier(.2,.7,.3,1),transform .7s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}

/* 响应式 */
@media (max-width:1040px){
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .nav-links a{padding:8px 9px;font-size:14px}
}
@media (max-width:980px){
  .nav-toggle{display:flex}
  .nav-links{
    display:none;position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:0;
    padding:8px 14px 16px;background:#fff;
    box-shadow:0 18px 32px rgba(20,26,46,.14);
    border-radius:0 0 16px 16px;border:1px solid rgba(20,26,46,.07);
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 10px;font-size:15px}
  .nav-actions .btn-nav{display:none}
  .hero-inner{grid-template-columns:1fr;gap:34px}
  .hero-visual{max-width:520px}
  .about-grid{grid-template-columns:1fr}
  .review-hero{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .agent-card{grid-template-columns:1fr}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .case-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-top{grid-template-columns:1fr}
}
@media (max-width:680px){
  .section{padding:44px 0}
  .hero{padding:44px 0 26px}
  .metrics{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:34px}
  .grid-2,.grid-3,.grid-4,.case-grid,.steps{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .point-grid{grid-template-columns:1fr}
  .metric strong{font-size:23px}
  .hero-points{flex-direction:column;gap:8px}
  .score-card .score-num{font-size:38px}
  .form-card,.agent-card{padding:20px}
  .float-tools{right:12px;bottom:16px}
  .tool-btn{width:50px;height:50px;font-size:12px}
  .service-panel{right:12px;bottom:132px;width:214px}
  .article-item{flex-direction:column;align-items:flex-start;gap:6px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

.reveal{opacity:1;transform:none}