*,*::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",sans-serif;
  font-size:16px;
  line-height:1.72;
  color:#0c2a1f;
  background:
    radial-gradient(1100px 560px at 82% -8%, #d8f3e6 0%, rgba(216,243,230,0) 62%),
    radial-gradient(900px 520px at -6% 18%, #e9faf1 0%, rgba(233,250,241,0) 58%),
    linear-gradient(180deg,#f4fbf7 0%,#f0faf5 55%,#f6fcf9 100%);
}
img{max-width:100%;display:block}
a{color:#0a6247;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;line-height:1.35}
p{margin:0}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
section[id]{scroll-margin-top:88px}
.section{padding:62px 0}
.section-tight{padding:48px 0}
.section-alt{background:linear-gradient(180deg,rgba(230,247,239,.62) 0%,rgba(230,247,239,.18) 60%,rgba(230,247,239,0) 100%)}
.section-head{max-width:780px;margin-bottom:32px}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:.1em;
  color:#0a6247;background:#e6f7ef;border:1px solid #cfe9dd;
  padding:4px 13px;border-radius:999px;margin-bottom:14px;
}
.section-head h2{font-size:clamp(23px,2.9vw,33px);color:#0c2a1f;margin-bottom:12px}
.lead{color:#5d7d70;font-size:16px}

/* 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;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease;
}
.btn-primary{background:linear-gradient(135deg,#16a578,#0a6b4b);color:#fff;box-shadow:0 8px 20px rgba(16,130,92,.26)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(16,130,92,.32)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:#0a6247;border-color:#cfe9dd;box-shadow:0 1px 3px rgba(12,70,52,.06)}
.btn-ghost:hover{transform:translateY(-2px);border-color:#9fd9c1;box-shadow:0 10px 22px rgba(12,70,52,.1)}
.btn-ghost:active{transform:translateY(0)}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(150%) blur(10px);
  border-bottom:1px solid #d9eee4;
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;min-height:68px}
.brand{display:flex;align-items:center;gap:10px;color:#0c2a1f;font-weight:700;font-size:17px}
.ai-page-logo{max-height:38px;width:auto;display:block}
.brand-name{white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:0;margin:0;padding:0;list-style:none}
.nav-links a{
  display:block;padding:8px 11px;font-size:15px;font-weight:500;color:#33564a;
  border-radius:10px;transition:color .2s ease,background .2s ease;
}
.nav-links a:hover,.nav-links a:focus-visible{color:#0a6247;background:#e6f7ef}
.nav-cta{padding:9px 18px;font-size:14px}
.nav-toggle{
  display:none;width:42px;height:42px;padding:0;border-radius:12px;
  border:1px solid #cfe9dd;background:#fff;cursor:pointer;
  align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:#0c2a1f;transition:transform .25s ease,opacity .25s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* 首屏 */
.hero{position:relative;overflow:hidden;padding:66px 0 58px}
.hero::before,.hero::after{content:"";position:absolute;border-radius:50%;pointer-events:none;z-index:0}
.hero::before{width:520px;height:520px;right:-160px;top:-220px;background:radial-gradient(circle,rgba(126,216,180,.42) 0%,rgba(126,216,180,0) 68%)}
.hero::after{width:420px;height:420px;left:-180px;bottom:-220px;background:radial-gradient(circle,rgba(168,232,205,.4) 0%,rgba(168,232,205,0) 70%)}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.3fr .7fr;gap:44px;align-items:center}
.hero-copy h1{font-size:clamp(28px,4.2vw,46px);color:#08251b;margin-bottom:18px}
.hero-desc{color:#4a6b5e;font-size:17px;max-width:620px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:16px}
.hero-note{font-size:14px;color:#5d7d70}
.hero-panel{display:grid;gap:12px}
.panel-item{
  display:flex;align-items:center;gap:14px;
  background:#fff;border:1px solid #d9eee4;border-left:4px solid #12855f;
  border-radius:14px;padding:14px 18px;
  box-shadow:0 1px 3px rgba(12,70,52,.06),0 10px 24px rgba(12,70,52,.05);
  transition:transform .25s ease,box-shadow .25s ease;
}
.panel-item:hover{transform:translateY(-3px);box-shadow:0 16px 32px rgba(12,70,52,.12)}
.panel-num{font-size:22px;font-weight:800;color:#0a6247;letter-spacing:-.02em;min-width:64px}
.panel-label{font-size:14px;color:#4a6b5e}

@keyframes rise{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}
.hero-copy > *{animation:rise .68s ease both}
.hero-copy > *:nth-child(2){animation-delay:.07s}
.hero-copy > *:nth-child(3){animation-delay:.14s}
.hero-copy > *:nth-child(4){animation-delay:.21s}
.hero-copy > *:nth-child(5){animation-delay:.28s}
.hero-panel .panel-item{animation:rise .68s ease both}
.hero-panel .panel-item:nth-child(2){animation-delay:.12s}
.hero-panel .panel-item:nth-child(3){animation-delay:.2s}
.hero-panel .panel-item:nth-child(4){animation-delay:.28s}

/* 滚动渐入 */
.js .reveal{opacity:0;transform:translateY(20px)}
.js .reveal.is-visible{opacity:1;transform:none;transition:opacity .62s ease,transform .62s ease}

/* 通用卡片与网格 */
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{
  background:#fff;border:1px solid #d9eee4;border-radius:18px;padding:24px;
  box-shadow:0 1px 3px rgba(12,70,52,.05),0 10px 24px rgba(12,70,52,.045);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:0 18px 36px rgba(12,70,52,.11);border-color:#a5ddc6}
.card h3{font-size:17px;color:#0c2a1f;margin-bottom:8px}
.card p{font-size:15px;color:#4f6f62}
.card .tag{
  display:inline-block;margin-top:14px;font-size:12px;font-weight:600;
  color:#0a6247;background:#edf9f3;border:1px solid #cfe9dd;
  padding:3px 10px;border-radius:999px;
}
.svc-card h3::before{
  content:"";display:inline-block;width:8px;height:8px;border-radius:3px;
  background:linear-gradient(135deg,#22b783,#0a6b4b);margin-right:9px;vertical-align:2px;
}

/* 关于我们 */
.about-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:34px;align-items:start}
.about-text p{color:#4f6f62;margin-bottom:14px;font-size:16px}
.about-text p:last-of-type{margin-bottom:20px}
.check-list li{
  position:relative;padding-left:26px;margin-bottom:10px;color:#33564a;font-size:15px;
}
.check-list li::before{
  content:"";position:absolute;left:0;top:9px;width:12px;height:12px;border-radius:50%;
  background:#c9ecdc;box-shadow:inset 0 0 0 3px #12855f;
}
.about-panel{background:#fff;border:1px solid #d9eee4;border-radius:18px;padding:24px;box-shadow:0 14px 32px rgba(12,70,52,.07)}
.about-panel h3{font-size:16px;margin-bottom:14px;color:#0a6247}
.about-panel li{
  display:flex;gap:10px;padding:10px 0;border-bottom:1px dashed #dcf0e7;font-size:15px;color:#33564a;
}
.about-panel li:last-child{border-bottom:none}
.about-panel strong{color:#0c2a1f;font-weight:600}

/* 模型标签云 */
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.chip{
  font-size:13px;font-weight:500;color:#0e6c4f;background:#fff;
  border:1px solid #cfe9dd;border-radius:999px;padding:6px 14px;
  transition:transform .2s ease,background .2s ease,border-color .2s ease;
}
.chip:hover{transform:translateY(-2px);background:#e6f7ef;border-color:#9fd9c1}

/* 流程 */
.flow{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.flow-step{position:relative;background:#fff;border:1px solid #d9eee4;border-radius:18px;padding:28px 24px 24px;box-shadow:0 10px 26px rgba(12,70,52,.06);transition:transform .25s ease,box-shadow .25s ease}
.flow-step:hover{transform:translateY(-4px);box-shadow:0 18px 36px rgba(12,70,52,.12)}
.flow-num{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:13px;background:linear-gradient(135deg,#1eb184,#0a6b4b);color:#fff;font-weight:700;font-size:15px;margin-bottom:14px}
.flow-step h3{font-size:17px;margin-bottom:8px}
.flow-step p{font-size:15px;color:#4f6f62}

/* 时间线流程 */
.timeline{position:relative;display:grid;gap:18px}
.tl-item{
  display:grid;grid-template-columns:56px 1fr;gap:18px;align-items:start;
  background:#fff;border:1px solid #d9eee4;border-radius:16px;padding:20px 22px;
  box-shadow:0 1px 3px rgba(12,70,52,.05);transition:transform .25s ease,box-shadow .25s ease;
}
.tl-item:hover{transform:translateX(4px);box-shadow:0 12px 28px rgba(12,70,52,.1)}
.tl-index{
  width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:#e6f7ef;color:#0a6247;font-weight:800;font-size:15px;border:1px solid #cfe9dd;
}
.tl-item h3{font-size:17px;margin-bottom:6px}
.tl-item p{font-size:15px;color:#4f6f62}

/* 案例 */
.case-card{padding:0;overflow:hidden}
.case-media{aspect-ratio:16/10;overflow:hidden;background:#e6f7ef}
.case-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.case-card:hover .case-media img{transform:scale(1.04)}
.case-body{padding:20px 22px 22px}
.case-body h3{font-size:17px;margin-bottom:8px}
.case-body p{font-size:15px;color:#4f6f62}
.case-card.square .case-media{aspect-ratio:1/1}

/* 对比评测 */
.score-card{
  display:flex;flex-wrap:wrap;align-items:center;gap:26px;
  background:linear-gradient(135deg,#0a6b4b 0%,#12855f 55%,#1ea97c 100%);
  color:#fff;border-radius:20px;padding:26px 30px;margin-bottom:26px;
  box-shadow:0 18px 40px rgba(10,90,64,.24);
}
.score-main{display:flex;align-items:baseline;gap:6px}
.score-num{font-size:48px;font-weight:800;letter-spacing:-.03em;line-height:1}
.score-total{font-size:17px;opacity:.85}
.score-meta{flex:1;min-width:220px}
.stars{display:block;font-size:20px;letter-spacing:3px;color:#ffe9a8;margin-bottom:4px}
.score-meta p{font-size:15px;color:#e7fff5}
.table-wrap{overflow-x:auto;border:1px solid #d9eee4;border-radius:18px;background:#fff;box-shadow:0 1px 3px rgba(12,70,52,.05)}
table{width:100%;border-collapse:collapse;min-width:660px;font-size:15px}
th,td{padding:14px 18px;text-align:left;border-bottom:1px solid #e4f2ec;vertical-align:top}
thead th{background:#e6f7ef;color:#0a6247;font-size:14px;font-weight:700;letter-spacing:.02em}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover{background:#f5fcf9}
td.hl,th.hl{color:#0a6247;font-weight:600;background:rgba(230,247,239,.55)}

/* 评论 */
.review-card{display:flex;flex-direction:column;gap:14px}
.review-quote{font-size:15px;color:#33564a;line-height:1.75}
.review-user{display:flex;align-items:center;gap:12px;margin-top:auto;padding-top:4px}
.avatar{
  width:40px;height:40px;border-radius:50%;flex:none;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#c9ecdc,#8fd9b9);color:#0a5c42;font-weight:700;font-size:15px;
}
.review-user strong{display:block;font-size:15px;color:#0c2a1f}
.review-user span{font-size:13px;color:#6b8a7d}

/* 表单 */
.lead-form{
  max-width:820px;margin:0 auto;display:grid;gap:16px;
  background:#fff;border:1px solid #d9eee4;border-radius:20px;padding:28px;
  box-shadow:0 16px 38px rgba(12,70,52,.08);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:7px;font-size:14px;font-weight:600;color:#33564a}
.field em{color:#d94a2f;font-style:normal}
.field input,.field select,.field textarea{
  font:inherit;font-size:15px;font-weight:400;color:#0c2a1f;
  background:#f7fdfa;border:1px solid #d9eee4;border-radius:12px;
  padding:11px 13px;outline:none;width:100%;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{resize:vertical;min-height:112px}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:#12855f;background:#fff;box-shadow:0 0 0 3px rgba(18,133,95,.13);
}
.form-note{font-size:13px;color:#6b8a7d;text-align:center}
.lead-form .btn{justify-self:center;min-width:200px}

/* FAQ */
.faq-list{display:grid;gap:12px}
.faq-item{
  background:#fff;border:1px solid #d9eee4;border-radius:14px;padding:0 20px;
  box-shadow:0 1px 3px rgba(12,70,52,.05);transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item:hover{border-color:#a5ddc6;box-shadow:0 10px 24px rgba(12,70,52,.08)}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:17px 30px 17px 0;font-size:16px;font-weight:600;color:#0c2a1f;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";position:absolute;right:4px;top:21px;width:8px;height:8px;
  border-right:2px solid #0a6247;border-bottom:2px solid #0a6247;
  transform:rotate(45deg);transition:transform .25s ease;
}
.faq-item[open] summary::after{transform:rotate(-135deg)}
.faq-body{padding:0 0 18px;font-size:15px;color:#4f6f62;border-top:1px dashed #dcf0e7;padding-top:14px}

/* 百科 */
.wiki-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.wiki-item{background:#fff;border:1px solid #d9eee4;border-left:4px solid #9fd9c1;border-radius:14px;padding:18px 20px;transition:transform .25s ease,box-shadow .25s ease}
.wiki-item:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(12,70,52,.09)}
.wiki-item dt{font-size:16px;font-weight:700;color:#0a6247;margin-bottom:6px}
.wiki-item dd{margin:0;font-size:15px;color:#4f6f62}

/* 资讯 */
.news-card{display:flex;flex-direction:column;gap:10px}
.news-card h3{font-size:17px}
.news-card p{font-size:15px;color:#4f6f62}
.news-link{font-size:14px;font-weight:600;color:#0a6247;margin-top:auto}
.news-link:hover{text-decoration:underline}

/* 加盟代理 */
.agent-band{
  background:linear-gradient(135deg,#eafaf2 0%,#d8f3e6 100%);
  border:1px solid #bfe6d4;border-radius:22px;padding:34px;
}
.agent-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:30px;align-items:center}
.agent-band h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:12px}
.agent-band p{color:#3f6355}
.agent-list{display:grid;gap:10px;margin:18px 0 22px}
.agent-list li{position:relative;padding-left:24px;font-size:15px;color:#33564a}
.agent-list li::before{
  content:"";position:absolute;left:0;top:8px;width:10px;height:10px;border-radius:3px;
  background:#12855f;transform:rotate(45deg);
}
.agent-actions{display:flex;flex-wrap:wrap;gap:12px}
.agent-side{background:#fff;border:1px solid #cfe9dd;border-radius:18px;padding:24px;box-shadow:0 14px 32px rgba(12,70,52,.08)}
.agent-side h3{font-size:16px;color:#0a6247;margin-bottom:12px}
.agent-side li{padding:9px 0;border-bottom:1px dashed #dcf0e7;font-size:15px;color:#33564a}
.agent-side li:last-child{border-bottom:none}

/* 联系 */
.contact-grid .card{display:flex;flex-direction:column;gap:10px}
.contact-card h3{font-size:16px;color:#0a6247}
.contact-card p,.contact-card a{font-size:15px;color:#33564a;word-break:break-all}
.contact-card a:hover{text-decoration:underline}
.qr-card{align-items:center;text-align:center}
.qr-card img{width:150px;border-radius:12px;border:1px solid #d9eee4;background:#fff;padding:6px}

/* 页脚 */
.site-footer{background:#0b3d2c;color:#d5efe3;padding:44px 0 26px;margin-top:20px}
.footer-top{display:grid;grid-template-columns:1.15fr .85fr;gap:32px;padding-bottom:26px;border-bottom:1px solid rgba(213,239,227,.16)}
.footer-brand h3{font-size:19px;color:#ffffff;margin-bottom:10px}
.footer-brand p{font-size:14px;color:#bfe0d1;margin-bottom:6px}
.footer-brand a{color:#9fe3c4}
.footer-brand a:hover{text-decoration:underline}
.footer-links h4{font-size:15px;color:#ffffff;margin-bottom:12px}
.link-group{display:flex;flex-wrap:wrap;gap:8px 18px}
.link-group a{font-size:14px;color:#a9e0c8}
.link-group a:hover{color:#ffffff;text-decoration:underline}
.footer-bottom{padding-top:18px;display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between;align-items:center}
.footer-bottom p{font-size:13px;color:#a9cdbd}

/* 浮动客服 */
.float-dock{position:fixed;right:18px;bottom:22px;z-index:70;display:flex;flex-direction:column;align-items:flex-end;gap:10px}
.dock-btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:11px 16px;border-radius:999px;border:1px solid #cfe9dd;
  background:#fff;color:#0a6247;font-size:14px;font-weight:600;cursor:pointer;
  box-shadow:0 10px 26px rgba(12,70,52,.16);
  transition:transform .2s ease,box-shadow .25s ease;
}
.dock-btn:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(12,70,52,.22)}
.dock-btn.primary{background:linear-gradient(135deg,#16a578,#0a6b4b);color:#fff;border-color:transparent}
#toTop{display:none}
#toTop.show{display:inline-flex}
.kefu-panel{
  width:246px;background:#fff;border:1px solid #cfe9dd;border-radius:16px;
  padding:18px;box-shadow:0 20px 44px rgba(12,70,52,.18);text-align:center;
}
.kefu-panel .kefu-title{font-size:15px;font-weight:700;color:#0a6247;margin-bottom:10px}
.kefu-panel img{width:150px;margin:0 auto 12px;border-radius:12px;border:1px solid #e4f2ec;padding:6px;background:#fff}
.kefu-panel p{font-size:13px;color:#33564a;margin-bottom:6px;word-break:break-all}
.kefu-panel p:last-child{margin-bottom:0}

/* 响应式 */
@media (max-width:1024px){
  .nav{order:3;flex-basis:100%;display:none;border-top:1px solid #d9eee4;margin-top:10px;padding:8px 0 16px}
  .nav.open{display:block}
  .nav-links{flex-direction:column;align-items:stretch;gap:0}
  .nav-links a{padding:12px 8px;font-size:15px}
  .nav-toggle{display:inline-flex}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-panel{grid-template-columns:repeat(2,1fr)}
  .about-grid{grid-template-columns:1fr}
  .agent-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr}
}
@media (max-width:900px){
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:1fr}
  .wiki-list{grid-template-columns:1fr}
  .section{padding:52px 0}
}
@media (max-width:860px){
  .form-row{grid-template-columns:1fr}
}
@media (max-width:640px){
  .container{padding:0 16px}
  .hero{padding:44px 0 40px}
  .hero-panel{grid-template-columns:1fr}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .section{padding:44px 0}
  .section-head{margin-bottom:24px}
  .score-card{padding:22px}
  .score-num{font-size:40px}
  .lead-form{padding:20px}
  .agent-band{padding:24px}
  .nav-cta{padding:8px 14px;font-size:13px}
  .brand{font-size:16px}
  .tl-item{grid-template-columns:44px 1fr;gap:14px;padding:18px}
  .footer-bottom{justify-content:flex-start}
  .float-dock{right:12px;bottom:16px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .reveal{opacity:1;transform:none;transition:none}
  .hero-copy > *,.hero-panel .panel-item{animation:none}
}