*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;font-size:15px;line-height:1.75;color:#3a5750;background-color:#f4fbf7;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
}
body::before{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(1100px 520px at 8% -10%,#d9f5e9 0%,rgba(217,245,233,0) 62%),
    radial-gradient(900px 480px at 98% 2%,#e2f7ef 0%,rgba(226,247,239,0) 60%),
    radial-gradient(900px 480px at 45% 100%,#eefaf4 0%,rgba(238,250,244,0) 72%);
}
img{max-width:100%;height:auto;border:0;}
a{color:#0a7a5b;text-decoration:none;transition:color .2s ease;}
a:hover{color:#0f9d76;}
h1,h2,h3,h4{margin:0;color:#0f2a23;line-height:1.35;font-weight:700;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.9);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid #dcf0e7;}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:70px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.ai-page-logo{display:block;max-height:40px;width:auto;}
.brand-text{font-size:17px;font-weight:800;color:#0f2a23;letter-spacing:.03em;}
.nav-links{display:flex;align-items:center;gap:0;flex-wrap:nowrap;}
.nav-links a{display:block;padding:9px 10px;border-radius:9px;font-size:14px;font-weight:500;color:#21453b;white-space:nowrap;transition:background-color .22s ease,color .22s ease;}
.nav-links a:hover,.nav-links a:focus-visible{background:#e6f7f0;color:#0a7a5b;}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-toggle{display:none;width:40px;height:40px;padding:0;border:1px solid #cfe9df;border-radius:10px;background:#fff;cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:4px;}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:#0a7a5b;transition:transform .26s ease,opacity .2s ease;}
.nav-toggle.is-active span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle.is-active span:nth-child(2){opacity:0;}
.nav-toggle.is-active span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 22px;border:1px solid transparent;border-radius:10px;font-size:15px;font-weight:600;line-height:1.4;cursor:pointer;transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease,color .22s ease;}
.btn-sm{padding:8px 16px;font-size:14px;}
.btn-lg{padding:14px 30px;font-size:16px;}
.btn-primary{background:linear-gradient(135deg,#12b98c,#0a8f6b);color:#fff;box-shadow:0 10px 22px rgba(10,143,107,.26);}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 30px rgba(10,143,107,.32);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;color:#0a7a5b;border-color:#bfe8d8;}
.btn-ghost:hover{background:#eaf9f2;transform:translateY(-2px);}
.btn-block{width:100%;}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding:70px 0 58px;}
.hero::before{content:"";position:absolute;top:-160px;right:-120px;width:440px;height:440px;border-radius:50%;background:radial-gradient(circle at 30% 30%,rgba(120,224,186,.42),rgba(120,224,186,0) 68%);pointer-events:none;animation:floatSlow 12s ease-in-out infinite;}
.hero::after{content:"";position:absolute;bottom:-180px;left:-140px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle at 60% 40%,rgba(160,236,210,.36),rgba(160,236,210,0) 70%);pointer-events:none;animation:floatSlow 14s ease-in-out infinite reverse;}
@keyframes floatSlow{0%,100%{transform:translate3d(0,0,0);}50%{transform:translate3d(-18px,16px,0);}}
.hero-inner{position:relative;z-index:1;max-width:900px;}
.eyebrow{display:inline-block;padding:6px 15px;border-radius:999px;background:#e3f7ee;border:1px solid #c9ecdd;color:#0a7a5b;font-size:13px;font-weight:600;letter-spacing:.04em;}
.hero h1{margin:20px 0 18px;font-size:clamp(27px,4.4vw,48px);letter-spacing:.01em;}
.hero-desc{max-width:760px;font-size:clamp(15px,1.6vw,17px);color:#4c6d64;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:26px;}
.hero-tags span{padding:6px 13px;border-radius:8px;background:rgba(255,255,255,.85);border:1px solid #d8eee5;color:#3f6459;font-size:13px;}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:38px;}
.stat{background:rgba(255,255,255,.86);border:1px solid #d9efe6;border-radius:14px;padding:16px 18px;transition:transform .25s ease,box-shadow .25s ease;}
.stat:hover{transform:translateY(-4px);box-shadow:0 16px 30px rgba(15,120,92,.1);}
.stat-num{font-size:26px;font-weight:800;line-height:1.2;color:#0a7a5b;}
.stat-num small{font-size:14px;font-weight:600;margin-left:2px;}
.stat-label{font-size:13px;color:#5b7a72;margin-top:4px;}

/* ---------- section base ---------- */
.section{padding:70px 0;position:relative;}
.section-tint{background:linear-gradient(180deg,rgba(255,255,255,.72),rgba(255,255,255,.28));border-top:1px solid #e3f2eb;border-bottom:1px solid #e3f2eb;}
.section-head{max-width:780px;margin:0 auto 40px;text-align:center;}
.section-kicker{display:inline-block;padding:5px 14px;border-radius:999px;background:#e3f7ee;border:1px solid #c9ecdd;color:#0a7a5b;font-size:13px;font-weight:600;letter-spacing:.05em;}
.section-head h2{margin:16px 0 12px;font-size:clamp(22px,3vw,33px);}
.section-head p{color:#5b7a72;}

/* ---------- grids & cards ---------- */
.grid{display:grid;gap:18px;}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
.grid-auto{grid-template-columns:repeat(auto-fill,minmax(258px,1fr));}
.card{background:#fff;border:1px solid #e0f0e9;border-radius:16px;padding:22px;box-shadow:0 8px 24px rgba(15,110,85,.055);transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;}
.card:hover{transform:translateY(-4px);box-shadow:0 18px 34px rgba(15,110,85,.12);border-color:#bfe8d8;}
.card h3{font-size:16.5px;margin-bottom:8px;}
.card p{font-size:14px;color:#54736b;}
.about-grid{grid-template-columns:repeat(auto-fill,minmax(230px,1fr));}
.about-card{position:relative;padding-top:20px;}
.about-card::before{content:"";position:absolute;top:0;left:22px;width:34px;height:3px;border-radius:3px;background:linear-gradient(90deg,#12b98c,#8ee3c6);}
.intro-text{max-width:820px;margin:0 auto 34px;text-align:center;color:#4c6d64;font-size:15.5px;}

/* ---------- services ---------- */
.svc-card{background:#fff;border:1px solid #e0f0e9;border-radius:16px;padding:22px 20px;box-shadow:0 8px 24px rgba(15,110,85,.05);transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;}
.svc-card:hover{transform:translateY(-5px);box-shadow:0 18px 34px rgba(15,110,85,.13);border-color:#bfe8d8;}
.svc-card h3{font-size:16.5px;margin-bottom:8px;color:#0d4e3c;}
.svc-card p{font-size:13.8px;color:#54736b;}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:30px;}
.tag-cloud span{padding:7px 15px;border-radius:999px;background:#fff;border:1px solid #d8eee5;color:#3f6459;font-size:13.5px;transition:background-color .24s ease,color .24s ease,transform .24s ease;}
.tag-cloud span:hover{background:#e6f7f0;color:#0a7a5b;transform:translateY(-2px);}

/* ---------- timeline ---------- */
.timeline{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;}
.tl-item{background:#fff;border:1px solid #e0f0e9;border-radius:16px;padding:22px 18px;box-shadow:0 8px 22px rgba(15,110,85,.05);transition:transform .26s ease,box-shadow .26s ease;}
.tl-item:hover{transform:translateY(-4px);box-shadow:0 16px 30px rgba(15,110,85,.12);}
.tl-num{display:inline-block;font-size:13px;font-weight:800;letter-spacing:.08em;color:#0a7a5b;background:#e6f7f0;border-radius:8px;padding:3px 10px;margin-bottom:12px;}
.tl-item h3{font-size:15.5px;margin-bottom:8px;}
.tl-item p{font-size:13.6px;color:#54736b;}

/* ---------- process ---------- */
.step-card{background:#fff;border:1px solid #e0f0e9;border-radius:16px;padding:24px 20px;position:relative;overflow:hidden;transition:transform .26s ease,box-shadow .26s ease;}
.step-card:hover{transform:translateY(-4px);box-shadow:0 16px 30px rgba(15,110,85,.12);}
.step-index{width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,#12b98c,#0a8f6b);color:#fff;font-weight:800;font-size:16px;display:flex;align-items:center;justify-content:center;margin-bottom:14px;}
.step-card h3{font-size:16px;margin-bottom:8px;}
.step-card p{font-size:13.8px;color:#54736b;}

/* ---------- cases ---------- */
.case-card{background:#fff;border:1px solid #e0f0e9;border-radius:18px;overflow:hidden;box-shadow:0 10px 26px rgba(15,110,85,.07);transition:transform .26s ease,box-shadow .26s ease;}
.case-card:hover{transform:translateY(-5px);box-shadow:0 20px 38px rgba(15,110,85,.14);}
.case-media{background:#eaf8f2;padding:10px;display:flex;align-items:center;justify-content:center;}
.case-media img{display:block;width:100%;height:auto;max-height:280px;object-fit:contain;}
.case-body{padding:20px 22px 24px;}
.case-body h3{font-size:16.5px;margin-bottom:8px;}
.case-body p{font-size:14px;color:#54736b;}

/* ---------- reviews ---------- */
.review-card{background:#fff;border:1px solid #e0f0e9;border-radius:16px;padding:22px;box-shadow:0 8px 24px rgba(15,110,85,.05);transition:transform .26s ease,box-shadow .26s ease;display:flex;flex-direction:column;gap:12px;}
.review-card:hover{transform:translateY(-4px);box-shadow:0 18px 34px rgba(15,110,85,.12);}
.review-head{display:flex;align-items:center;gap:12px;}
.avatar{width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,#12b98c,#8ee3c6);color:#fff;font-weight:700;font-size:16px;display:flex;align-items:center;justify-content:center;flex:0 0 auto;}
.review-name{font-size:15px;font-weight:700;color:#0f2a23;}
.review-role{font-size:12.8px;color:#68887f;}
.stars{color:#f2a93b;font-size:13.5px;letter-spacing:2px;}
.review-card p{font-size:14px;color:#54736b;}

/* ---------- compare ---------- */
.score-panel{display:grid;grid-template-columns:minmax(0,300px) 1fr;gap:20px;align-items:stretch;margin-bottom:26px;}
.score-card{background:linear-gradient(150deg,#0d9a74,#075a44);color:#e6fff5;border-radius:18px;padding:26px 24px;display:flex;flex-direction:column;justify-content:center;gap:6px;box-shadow:0 18px 36px rgba(7,90,68,.24);}
.score-label{font-size:13.5px;letter-spacing:.08em;color:#b6efd8;}
.score-value{font-size:46px;font-weight:800;line-height:1.1;color:#fff;}
.score-value span{font-size:17px;font-weight:600;color:#b6efd8;margin-left:4px;}
.score-stars{font-size:18px;letter-spacing:4px;color:#ffd77a;}
.score-desc{font-size:13.5px;color:#c8f2e1;line-height:1.7;}
.score-points{background:#fff;border:1px solid #e0f0e9;border-radius:18px;padding:24px;box-shadow:0 8px 24px rgba(15,110,85,.06);}
.score-points h3{font-size:16.5px;margin-bottom:14px;}
.point-list{display:grid;grid-template-columns:repeat(2,1fr);gap:10px 20px;}
.point-list li{position:relative;padding-left:20px;font-size:14px;color:#4c6d64;}
.point-list li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;background:#12b98c;}
.table-wrap{overflow-x:auto;background:#fff;border:1px solid #dcefe7;border-radius:16px;box-shadow:0 8px 24px rgba(15,110,85,.055);-webkit-overflow-scrolling:touch;}
table{width:100%;border-collapse:collapse;min-width:700px;font-size:14.2px;}
thead th{background:#effaf5;color:#0b5c46;font-weight:700;text-align:left;padding:14px 16px;border-bottom:1px solid #dcf0e7;white-space:nowrap;}
tbody td{padding:13px 16px;border-bottom:1px solid #eef8f3;color:#4c6d64;vertical-align:top;}
tbody tr:last-child td{border-bottom:0;}
tbody tr:hover{background:#f8fdfa;}
td strong{color:#0d4e3c;}
.col-good{color:#0a8f6b;font-weight:600;}

/* ---------- faq ---------- */
.faq-list{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:12px;}
.faq-item{background:#fff;border:1px solid #e0f0e9;border-radius:14px;overflow:hidden;transition:border-color .24s ease,box-shadow .24s ease;}
.faq-item.is-open{border-color:#a9e3cd;box-shadow:0 12px 26px rgba(15,120,92,.1);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:17px 20px;background:transparent;border:0;cursor:pointer;text-align:left;font-size:15px;font-weight:600;color:#122f27;}
.faq-icon{position:relative;width:18px;height:18px;flex:0 0 auto;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:#0a8f6b;border-radius:2px;transition:transform .26s ease,opacity .26s 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.is-open .faq-icon::after{transform:rotate(90deg);opacity:0;}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .3s ease;}
.faq-item.is-open .faq-a{grid-template-rows:1fr;}
.faq-a-inner{overflow:hidden;}
.faq-a-inner p{padding:0 20px 18px;font-size:14.2px;color:#54736b;}

/* ---------- articles ---------- */
.article-card{display:flex;flex-direction:column;gap:10px;background:#fff;border:1px solid #e0f0e9;border-radius:16px;padding:22px;box-shadow:0 8px 24px rgba(15,110,85,.05);transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;}
.article-card:hover{transform:translateY(-4px);box-shadow:0 18px 34px rgba(15,110,85,.12);border-color:#bfe8d8;}
.article-tag{align-self:flex-start;padding:3px 11px;border-radius:999px;background:#e6f7f0;color:#0a7a5b;font-size:12.5px;font-weight:600;}
.article-card h3{font-size:16px;line-height:1.5;}
.article-card p{font-size:13.8px;color:#54736b;}
.article-more{font-size:13.5px;font-weight:600;color:#0a8f6b;}

/* ---------- partner ---------- */
.partner-card{background:linear-gradient(140deg,#e6f9f1,#f6fdfa);border:1px solid #c9ecdd;border-radius:20px;padding:34px 28px;display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;}
.partner-card h2{font-size:clamp(20px,2.6vw,28px);margin-bottom:10px;}
.partner-card p{max-width:640px;color:#4c6d64;font-size:14.6px;}

/* ---------- contact ---------- */
.contact-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:22px;align-items:start;}
.panel{background:#fff;border:1px solid #e0f0e9;border-radius:18px;padding:26px;box-shadow:0 10px 28px rgba(15,110,85,.07);}
.panel h3{font-size:17px;margin-bottom:18px;}
.field{margin-bottom:16px;display:flex;flex-direction:column;gap:7px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field label{font-size:13.6px;font-weight:600;color:#2c5348;}
.field input,.field select,.field textarea{width:100%;padding:11px 13px;border:1px solid #d5ecE3;border-radius:10px;background:#fafefc;color:#173b32;font-size:14.5px;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:0;border-color:#5fd0ad;background:#fff;box-shadow:0 0 0 3px rgba(95,208,173,.18);}
.field textarea{resize:vertical;min-height:110px;}
.form-note{margin-top:12px;font-size:12.8px;color:#6b8a81;text-align:center;}
.contact-list{display:flex;flex-direction:column;gap:12px;}
.contact-list li{display:flex;gap:10px;font-size:14.2px;color:#4c6d64;}
.contact-list li b{flex:0 0 76px;color:#21453b;font-weight:600;}
.qr-box{margin-top:20px;padding-top:20px;border-top:1px dashed #d8eee5;text-align:center;}
.qr-box img{width:150px;max-width:100%;height:auto;border-radius:12px;border:1px solid #e0f0e9;background:#fff;padding:6px;}
.qr-box p{margin-top:10px;font-size:13.4px;color:#5b7a72;}

/* ---------- footer ---------- */
.site-footer{background:#07362b;color:#bfe3d6;padding:46px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
.footer-name{font-size:18px;font-weight:800;color:#fff;margin-bottom:12px;letter-spacing:.04em;}
.footer-desc{font-size:13.8px;color:#a9d5c6;max-width:380px;}
.ai-page-home-link{display:inline-block;margin-top:14px;padding:6px 16px;border:1px solid rgba(255,255,255,.26);border-radius:8px;color:#d7f5e9;font-size:13.5px;transition:background-color .22s ease,color .22s ease;}
.ai-page-home-link:hover{background:rgba(255,255,255,.12);color:#fff;}
.footer-title{font-size:15px;color:#fff;margin-bottom:14px;font-weight:700;}
.footer-list li{font-size:13.8px;color:#a9d5c6;margin-bottom:9px;}
.footer-list a{color:#8fe0c4;}
.footer-list a:hover{color:#ffffff;}
.footer-links{display:flex;flex-wrap:wrap;gap:8px 14px;}
.footer-links a{font-size:13.6px;color:#8fe0c4;}
.footer-links a:hover{color:#fff;}
.footer-bottom{margin-top:34px;border-top:1px solid rgba(255,255,255,.14);padding:16px 0;text-align:center;font-size:13px;color:#8fb9ab;}

/* ---------- floating ---------- */
.float-tools{position:fixed;right:18px;bottom:22px;z-index:200;display:flex;flex-direction:column;align-items:flex-end;gap:10px;}
.float-btn{width:52px;height:52px;border:0;border-radius:14px;background:#0a8f6b;color:#fff;font-size:13.5px;font-weight:700;cursor:pointer;box-shadow:0 12px 26px rgba(10,143,107,.32);display:flex;align-items:center;justify-content:center;transition:transform .22s ease,background-color .22s ease,opacity .22s ease;}
.float-btn:hover{background:#0f9d76;transform:translateY(-3px);}
.float-btn-main{background:linear-gradient(135deg,#12b98c,#0a8f6b);}
#backTop{background:#fff;color:#0a7a5b;border:1px solid #cfe9df;box-shadow:0 8px 20px rgba(15,110,85,.14);opacity:0;pointer-events:none;}
#backTop.show{opacity:1;pointer-events:auto;}
.kefu-panel{width:236px;background:#fff;border:1px solid #dcefe7;border-radius:16px;padding:16px;box-shadow:0 18px 40px rgba(15,110,85,.18);text-align:center;}
.kefu-title{font-size:14.5px;font-weight:700;color:#0f2a23;margin-bottom:10px;}
.kefu-panel img{width:100%;max-width:180px;height:auto;border-radius:10px;border:1px solid #e6f4ee;}
.kefu-tip{margin-top:10px;font-size:12.6px;color:#5b7a72;line-height:1.6;}

/* ---------- reveal ---------- */
.js .reveal{opacity:0;transform:translateY(20px);transition:opacity .62s cubic-bezier(.22,.7,.3,1),transform .62s cubic-bezier(.22,.7,.3,1);}
.js .reveal.is-in{opacity:1;transform:none;}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .nav{position:absolute;top:100%;left:0;right:0;display:none;background:#fff;border-bottom:1px solid #dcf0e7;box-shadow:0 20px 34px rgba(10,80,60,.1);padding:10px 20px 16px;}
  .nav.is-open{display:block;}
  .nav-links{flex-direction:column;align-items:stretch;}
  .nav-links a{padding:12px 10px;font-size:15px;border-radius:8px;}
  .nav-toggle{display:flex;}
  .header-inner{position:relative;}
}
@media (max-width:960px){
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr);}
  .timeline{grid-template-columns:repeat(2,1fr);}
  .score-panel{grid-template-columns:1fr;}
  .contact-layout{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .hero-stats{grid-template-columns:repeat(2,1fr);}
  .section{padding:54px 0;}
}
@media (max-width:640px){
  .grid-2,.grid-3,.grid-4,.about-grid{grid-template-columns:1fr;}
  .timeline{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .hero{padding:48px 0 42px;}
  .hero-actions .btn{width:100%;}
  .point-list{grid-template-columns:1fr;}
  .panel{padding:20px;}
  .partner-card{padding:26px 20px;}
  .float-tools{right:12px;bottom:14px;}
  .kefu-panel{width:214px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
  .js .reveal{opacity:1;transform:none;}
}