*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:88px}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  color:#12312a;line-height:1.7;-webkit-font-smoothing:antialiased;
  background-color:#f1faf5;
  background-image:
    radial-gradient(circle at 12% -4%, rgba(76,217,164,.20), rgba(76,217,164,0) 46%),
    radial-gradient(circle at 88% 2%, rgba(23,184,122,.14), rgba(23,184,122,0) 42%),
    linear-gradient(180deg,#eefaf4 0%,#f8fdfb 38%,#edf8f2 100%);
  background-attachment:fixed;
}
img{max-width:100%;display:block}
a{color:#0e8a5d}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.88);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid rgba(16,49,42,.08)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:70px;position:relative}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:#0d3b2e;font-weight:800;font-size:17px;letter-spacing:.5px;white-space:nowrap}
.brand img{width:36px;height:36px;object-fit:contain}
.nav-links{display:flex;align-items:center;justify-content:center;gap:0;flex-wrap:nowrap}
.nav-links a{display:block;padding:9px 11px;font-size:14px;color:#2c4d43;text-decoration:none;border-radius:9px;white-space:nowrap;transition:color .2s,background .2s}
.nav-links a:hover{color:#0b7a51;background:#e9faf2}
.header-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{display:none;width:40px;height:40px;border:1px solid rgba(16,49,42,.14);border-radius:11px;background:#fff;cursor:pointer;padding:10px;flex-direction:column;justify-content:space-between}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:#1d5b47}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:999px;font-size:15px;font-weight:700;text-decoration:none;border:1px solid transparent;cursor:pointer;font-family:inherit;transition:transform .22s,box-shadow .25s,background .25s,color .25s;white-space:nowrap}
.btn-primary{background:linear-gradient(135deg,#33d69d,#0e9b66);color:#fff;box-shadow:0 12px 26px -14px rgba(14,155,102,.95)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 32px -16px rgba(14,155,102,1)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:#fff;color:#0b7a51;border-color:#bde9d6}
.btn-outline:hover{background:#eefbf4;transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:14px}

/* ---------- hero ---------- */
.hero{position:relative;padding:70px 0 56px;overflow:hidden}
.hero::before{content:"";position:absolute;width:560px;height:560px;border-radius:50%;top:-240px;right:-140px;background:radial-gradient(circle,rgba(47,211,154,.24),rgba(47,211,154,0) 70%);pointer-events:none}
.hero::after{content:"";position:absolute;width:440px;height:440px;border-radius:50%;bottom:-260px;left:-170px;background:radial-gradient(circle,rgba(23,184,122,.16),rgba(23,184,122,0) 70%);pointer-events:none}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:44px;align-items:center;position:relative;z-index:1}
.eyebrow-pill{display:inline-block;font-size:13px;font-weight:700;letter-spacing:1px;color:#0b7a51;background:#e6faf0;border:1px solid #c6efe0;padding:5px 14px;border-radius:999px;margin-bottom:16px}
.hero h1{font-size:clamp(29px,4.2vw,48px);line-height:1.28;color:#082f24;letter-spacing:-.6px}
.hero h1 em{font-style:normal;color:#0e9b66;display:inline-block}
.hero-lead{margin-top:16px;font-size:16px;color:#4b6f63;max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-points{list-style:none;display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:26px}
.hero-points li{font-size:14px;color:#3c6356;display:flex;align-items:center;gap:7px}
.hero-points li::before{content:"";width:16px;height:16px;border-radius:50%;background:#d6f6e7;border:1px solid #a9e8cf;position:relative;flex:none}
.hero-points li::after{content:"";position:absolute;display:none}
.hero-panel{background:#fff;border:1px solid rgba(16,49,42,.09);border-radius:22px;padding:22px;box-shadow:0 30px 64px -38px rgba(10,60,45,.55)}
.panel-top{display:flex;align-items:center;gap:9px;font-size:13px;font-weight:700;color:#3b7a65}
.pulse{width:8px;height:8px;border-radius:50%;background:#17b87a;animation:pulse 2.4s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(23,184,122,.55)}70%{box-shadow:0 0 0 10px rgba(23,184,122,0)}100%{box-shadow:0 0 0 0 rgba(23,184,122,0)}}
.chip-cloud{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0 6px}
.chip-cloud span{font-size:13px;padding:5px 11px;border-radius:999px;background:#eefaf4;color:#14775a;border:1px solid #d5f2e5}
.panel-row{display:flex;gap:12px;align-items:baseline;padding:11px 0;border-top:1px dashed rgba(16,49,42,.13)}
.panel-row:first-of-type{border-top:1px solid rgba(16,49,42,.08);margin-top:8px}
.pr-label{font-size:12px;color:#7fa197;min-width:38px;flex:none}
.pr-val{font-size:14px;color:#12312a;font-weight:600}
.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:44px;position:relative;z-index:1}
.metric{background:rgba(255,255,255,.88);border:1px solid rgba(16,49,42,.08);border-radius:16px;padding:18px 20px;display:flex;flex-direction:column;gap:2px;transition:transform .25s,box-shadow .25s}
.metric:hover{transform:translateY(-3px);box-shadow:0 18px 32px -24px rgba(10,60,45,.6)}
.metric strong{font-size:26px;font-weight:800;color:#0e9b66;letter-spacing:-.5px}
.metric span{font-size:13px;color:#527569}

/* ---------- sections ---------- */
.section{padding:70px 0}
.band{background:rgba(255,255,255,.6);border-top:1px solid rgba(16,49,42,.06);border-bottom:1px solid rgba(16,49,42,.06)}
.section-head{max-width:740px;margin:0 auto 42px;text-align:center}
.section-head .tag{display:inline-block;font-size:13px;font-weight:700;letter-spacing:1px;color:#0b7a51;background:#e6faf0;border:1px solid #c6efe0;padding:5px 14px;border-radius:999px;margin-bottom:14px}
.section-head h2{font-size:clamp(23px,2.9vw,32px);line-height:1.36;color:#0a3527;letter-spacing:-.3px}
.section-head p{margin-top:12px;font-size:15.5px;color:#4f7267}

/* ---------- grids & cards ---------- */
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{background:#fff;border:1px solid rgba(16,49,42,.09);border-radius:18px;padding:24px;box-shadow:0 16px 34px -30px rgba(10,60,45,.6);transition:transform .28s,box-shadow .28s,border-color .28s}
.card:hover{transform:translateY(-4px);box-shadow:0 24px 44px -28px rgba(10,60,45,.55);border-color:#bde9d6}
.card h3{font-size:17.5px;color:#0a3527;margin-bottom:8px;letter-spacing:-.2px}
.card p{font-size:14.5px;color:#4f7267}
.icon-box{width:42px;height:42px;border-radius:13px;background:#e9faf2;color:#0e9b66;display:grid;place-items:center;margin-bottom:14px;border:1px solid #d0f1e2}
.icon-box svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}

/* about */
.about-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:36px;align-items:start}
.about-text p{font-size:15.5px;color:#3f6357;margin-bottom:14px}
.check-list{list-style:none;display:grid;gap:11px;margin-top:20px}
.check-list li{font-size:14.5px;color:#2c5347;padding-left:28px;position:relative}
.check-list li::before{content:"";position:absolute;left:0;top:6px;width:16px;height:16px;border-radius:50%;background:#17b87a;box-shadow:inset 0 0 0 3px #d8f7e9}
.about-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.mini-card{background:#fff;border:1px solid rgba(16,49,42,.09);border-radius:15px;padding:18px;transition:transform .25s,box-shadow .25s}
.mini-card:hover{transform:translateY(-3px);box-shadow:0 18px 32px -26px rgba(10,60,45,.6)}
.mini-card h3{font-size:15px;color:#0a3527;margin-bottom:5px}
.mini-card p{font-size:13px;color:#57796d}

/* scene tags */
.tag-cloud{display:flex;flex-wrap:wrap;gap:9px;margin-top:8px}
.tag-cloud span{font-size:13px;padding:6px 13px;border-radius:999px;background:#f0fbf6;border:1px solid #d3f0e3;color:#1a7358;transition:background .2s,transform .2s}
.tag-cloud span:hover{background:#e2f9ee;transform:translateY(-2px)}

/* timeline */
.timeline{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:18px}
.step{background:#fff;border:1px solid rgba(16,49,42,.09);border-radius:16px;padding:20px;position:relative;transition:transform .28s,box-shadow .28s}
.step:hover{transform:translateY(-4px);box-shadow:0 22px 40px -30px rgba(10,60,45,.6)}
.step .num{width:34px;height:34px;border-radius:11px;background:#e6faf0;color:#0e9b66;font-weight:800;font-size:14px;display:grid;place-items:center;margin-bottom:12px;border:1px solid #cdf0e0}
.step h3{font-size:15.5px;color:#0a3527;margin-bottom:6px}
.step p{font-size:13.5px;color:#587a6e}

/* cases */
.case-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.case{background:#fff;border:1px solid rgba(16,49,42,.09);border-radius:18px;overflow:hidden;transition:transform .3s,box-shadow .3s}
.case:hover{transform:translateY(-4px);box-shadow:0 24px 44px -30px rgba(10,60,45,.6)}
.case-wide{grid-column:span 2}
.case-media{background:#eafaf2;aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;padding:10px}
.case-wide .case-media{aspect-ratio:16/9}
.case-media img{width:100%;height:100%;object-fit:contain;transition:transform .5s ease}
.case:hover .case-media img{transform:scale(1.03)}
.case figcaption{padding:15px 18px 17px;font-size:14px;color:#3f6357}
.case figcaption strong{display:block;font-size:15px;color:#0a3527;margin-bottom:3px}

/* table */
.table-wrap{overflow-x:auto;border:1px solid rgba(16,49,42,.1);border-radius:16px;background:#fff;box-shadow:0 18px 36px -34px rgba(10,60,45,.6)}
table{width:100%;border-collapse:collapse;min-width:720px;font-size:14.5px}
thead th{background:#eafaf2;color:#0a3527;text-align:left;padding:14px 16px;font-weight:800;white-space:nowrap;font-size:14px}
tbody td{padding:13px 16px;border-top:1px solid rgba(16,49,42,.07);color:#39605200;color:#3f6357;vertical-align:top}
tbody td:first-child{color:#0a3527;font-weight:700;white-space:nowrap}
tbody tr:nth-child(even){background:#fbfefc}
td.hl,th.hl{background:#f0fdf7;color:#0b6a47;font-weight:700}
tbody tr:nth-child(even) td.hl{background:#e9fbf3}

/* rating */
.rating-card{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;background:linear-gradient(120deg,#0d3b2e,#12604a);color:#e6fbf1;border-radius:20px;padding:28px 30px;margin-bottom:30px;box-shadow:0 26px 50px -34px rgba(9,50,38,.9)}
.rating-card h3{font-size:19px;color:#fff;margin-bottom:6px}
.rating-card p{font-size:14px;color:#b9e8d6}
.stars{letter-spacing:4px;color:#7df0bd;font-size:20px;margin-bottom:6px}
.score{display:flex;align-items:baseline;gap:8px}
.score strong{font-size:46px;line-height:1;color:#fff;font-weight:800;letter-spacing:-2px}
.score span{font-size:14px;color:#a9e5d0}

/* reviews */
.review-card{background:#fff;border:1px solid rgba(16,49,42,.09);border-radius:18px;padding:24px;display:flex;flex-direction:column;gap:14px;transition:transform .28s,box-shadow .28s}
.review-card:hover{transform:translateY(-4px);box-shadow:0 24px 44px -30px rgba(10,60,45,.55)}
.review-card p{font-size:14.5px;color:#3f6357}
.reviewer{display:flex;align-items:center;gap:12px;margin-top:auto}
.avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#33d69d,#0e9b66);color:#fff;display:grid;place-items:center;font-weight:800;font-size:15px;flex:none}
.reviewer strong{display:block;font-size:14.5px;color:#0a3527}
.reviewer span{font-size:12.5px;color:#7b9a8f}

/* faq */
.faq-list{max-width:880px;margin:0 auto}
.faq-item{border:1px solid rgba(16,49,42,.1);border-radius:14px;background:#fff;margin-bottom:12px;overflow:hidden;transition:border-color .25s,box-shadow .25s}
.faq-item.open{border-color:#bde9d6;box-shadow:0 18px 34px -30px rgba(10,60,45,.6)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:16px 20px;background:none;border:0;font-size:15.5px;font-weight:700;color:#10312a;cursor:pointer;text-align:left;font-family:inherit;line-height:1.5}
.faq-q:hover{color:#0b7a51}
.faq-q .ic{flex:none;width:26px;height:26px;border-radius:50%;background:#e9faf2;color:#0e9b66;display:grid;place-items:center;font-size:17px;line-height:1;transition:transform .28s,background .28s}
.faq-item.open .ic{transform:rotate(45deg);background:#d3f5e5}
.faq-a{display:none;padding:0 20px 18px;font-size:14.5px;color:#4f7267}
.faq-item.open .faq-a{display:block}

/* form */
.form-wrap{max-width:860px;margin:0 auto;background:#fff;border:1px solid rgba(16,49,42,.09);border-radius:22px;padding:30px;box-shadow:0 28px 56px -40px rgba(10,60,45,.6)}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-size:14px;font-weight:700;color:#1d453a}
.field input,.field select,.field textarea{padding:12px 14px;border:1px solid rgba(16,49,42,.16);border-radius:12px;font-size:15px;font-family:inherit;background:#fbfefc;color:#12312a;transition:border-color .2s,box-shadow .2s,background .2s;width:100%}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:#33d69d;box-shadow:0 0 0 4px rgba(51,214,157,.16);background:#fff}
.field textarea{resize:vertical;min-height:110px}
.full{grid-column:1/-1}
.form-submit{margin-top:22px;width:100%}
.form-tip{margin-top:12px;font-size:13px;color:#7b9a8f;text-align:center}

/* contact */
.contact-grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:30px;align-items:start}
.contact-list{display:grid;gap:12px}
.contact-item{display:flex;gap:14px;align-items:center;background:#fff;border:1px solid rgba(16,49,42,.09);border-radius:14px;padding:15px 18px;transition:transform .25s,box-shadow .25s}
.contact-item:hover{transform:translateY(-2px);box-shadow:0 18px 32px -28px rgba(10,60,45,.6)}
.contact-item .k{font-size:13px;color:#7b9a8f;min-width:88px;flex:none}
.contact-item .v{font-size:14.5px;color:#0a3527;font-weight:700;word-break:break-all}
.contact-item .v a{color:#0b7a51;text-decoration:none}
.contact-item .v a:hover{text-decoration:underline}
.qr-box{background:#fff;border:1px solid rgba(16,49,42,.09);border-radius:18px;padding:22px;text-align:center}
.qr-box .qr-img{width:170px;height:170px;margin:0 auto;border-radius:12px;background:#f2fbf7;display:flex;align-items:center;justify-content:center;overflow:hidden}
.qr-box .qr-img img{width:100%;height:100%;object-fit:contain}
.qr-box p{margin-top:14px;font-size:14px;color:#3f6357}

/* partner */
.partner-card{background:linear-gradient(120deg,#e9fbf2,#f7fffb);border:1px solid #c6efe0;border-radius:22px;padding:34px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px}
.partner-card h2{font-size:22px;color:#0a3527;margin-bottom:8px}
.partner-card p{font-size:14.5px;color:#4f7267;max-width:640px}

/* footer */
.site-footer{background:#0d3b2e;color:#cdebdf;padding:50px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr) minmax(0,1fr);gap:34px}
.footer-brand .brand{color:#fff;margin-bottom:14px}
.footer-brand p{font-size:14px;color:#a9d9c8;max-width:340px}
.footer-col h3{font-size:15px;color:#fff;margin-bottom:14px;letter-spacing:.5px}
.footer-col ul{list-style:none;display:grid;gap:9px}
.footer-col li{font-size:13.5px;color:#a9d9c8}
.footer-col a{color:#93e6c6;text-decoration:none;transition:color .2s}
.footer-col a:hover{color:#fff;text-decoration:underline}
.friend-links{display:flex;flex-wrap:wrap;gap:8px 16px}
.friend-links li{font-size:13.5px}
.footer-bottom{margin-top:34px;border-top:1px solid rgba(255,255,255,.14);padding:18px 0 22px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px}
.footer-bottom p{font-size:13px;color:#8fc7b4}
.footer-bottom a{color:#93e6c6;text-decoration:none}
.footer-bottom a:hover{color:#fff}

/* floating */
.float-tools{position:fixed;right:18px;bottom:22px;display:flex;flex-direction:column;gap:12px;z-index:70}
.float-btn{width:48px;height:48px;border-radius:50%;border:1px solid rgba(16,49,42,.12);background:#fff;color:#0b7a51;display:grid;place-items:center;cursor:pointer;box-shadow:0 14px 28px -16px rgba(10,60,45,.7);transition:transform .25s,background .25s,opacity .25s,visibility .25s;text-decoration:none}
.float-btn:hover{transform:translateY(-3px);background:#eefbf4}
.float-btn svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
#backTop{opacity:0;visibility:hidden}
#backTop.show{opacity:1;visibility:visible}

/* reveal */
.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .65s ease,transform .65s ease}
.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){
  .js .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
  .pulse{animation:none}
}

/* responsive */
@media (max-width:1119px){
  .nav-toggle{display:flex}
  .nav-links{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;background:#fff;border-radius:0 0 16px 16px;border:1px solid rgba(16,49,42,.1);border-top:0;padding:8px 12px 16px;box-shadow:0 24px 40px -30px rgba(10,60,45,.8)}
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 12px;border-radius:10px;font-size:15px}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .about-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .timeline{grid-template-columns:repeat(3,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1/-1}
}
@media (max-width:1023px){
  .grid-3,.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .case-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .case-wide{grid-column:span 2}
  .section{padding:56px 0}
}
@media (max-width:767px){
  .header-actions .btn-header{display:none}
  .hero{padding:52px 0 44px}
  .metrics{grid-template-columns:1fr;margin-top:32px}
  .timeline{grid-template-columns:repeat(2,minmax(0,1fr))}
  .form-wrap{padding:22px}
  .form-grid{grid-template-columns:1fr}
  .partner-card{padding:24px}
  .rating-card{padding:24px}
  .score strong{font-size:38px}
}
@media (max-width:639px){
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .case-grid{grid-template-columns:1fr}
  .case-wide{grid-column:span 1}
  .case-wide .case-media{aspect-ratio:4/3}
  .timeline{grid-template-columns:1fr}
  .about-cards{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .section{padding:46px 0}
  .section-head{margin-bottom:30px}
  .hero-actions .btn{flex:1 1 auto}
  .contact-item{flex-direction:column;align-items:flex-start;gap:4px}
  .contact-item .k{min-width:0}
}