*{margin:0;padding:0;box-sizing:border-box}
:root{
--green:#1fd76b;
--green-dark:#0fb356;
--green-deep:#08341f;
--dark:#0a1410;
--ink:#0f2419;
--gray:#5b6b62;
--line:#e2ece6;
--bg:#f5fbf7;
--radius:16px;
--shadow:0 8px 30px rgba(9,52,31,.07);
}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;color:var(--ink);background:#fff;line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section.alt{background:var(--bg)}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--green-dark);background:rgba(31,215,107,.12);padding:6px 14px;border-radius:100px;margin-bottom:16px}
h2.sec-title{font-size:clamp(24px,3vw,36px);line-height:1.3;font-weight:800;letter-spacing:-.01em;margin-bottom:14px}
.sec-sub{color:var(--gray);font-size:16px;max-width:760px;margin-bottom:44px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;font-size:15px;padding:14px 28px;border-radius:100px;cursor:pointer;border:none;transition:transform .25s,box-shadow .25s,background .25s}
.btn-primary{background:linear-gradient(135deg,var(--green),var(--green-dark));color:#04220f;box-shadow:0 10px 26px rgba(31,215,107,.36)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(31,215,107,.48)}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.4)}
.btn-ghost:hover{background:rgba(255,255,255,.12);transform:translateY(-2px)}
.btn-line{background:#fff;color:var(--green-dark);border:1.5px solid var(--green)}
.btn-line:hover{background:var(--green);color:#04220f;transform:translateY(-2px)}

/* NAV */
header.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.9);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:70px}
.logo-wrap{display:flex;align-items:center;gap:10px}
.ai-page-logo{height:38px;width:auto}
.nav-links{display:flex;align-items:center;gap:0;list-style:none}
.nav-links li a{display:block;padding:10px 13px;font-size:14px;font-weight:600;color:#123;border-radius:8px;transition:color .2s,background .2s}
.nav-links li a:hover{color:var(--green-dark);background:rgba(31,215,107,.09)}
.nav-cta{display:flex;align-items:center;gap:12px}
.nav-cta .btn{padding:10px 20px;font-size:14px}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.burger span{width:24px;height:2.5px;background:var(--ink);border-radius:2px;transition:.3s}
.mobile-menu{display:none;flex-direction:column;background:#fff;border-bottom:1px solid var(--line);padding:10px 24px 20px}
.mobile-menu a{padding:12px 0;font-weight:600;border-bottom:1px solid var(--line);color:#123}
.mobile-menu.open{display:flex}

/* HERO */
.hero{position:relative;overflow:hidden;background:radial-gradient(circle at 78% 15%,rgba(31,215,107,.22),transparent 45%),radial-gradient(circle at 8% 90%,rgba(31,215,107,.16),transparent 42%),linear-gradient(150deg,#07180f 0%,#0b2517 55%,#0b3420 100%);color:#fff;padding:96px 0 104px}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(31,215,107,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(31,215,107,.07) 1px,transparent 1px);background-size:52px 52px;mask-image:radial-gradient(circle at 60% 40%,#000 20%,transparent 78%);pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.hero h1{font-size:clamp(30px,4.4vw,54px);line-height:1.18;font-weight:900;letter-spacing:-.015em;margin-bottom:20px}
.hero h1 em{font-style:normal;color:var(--green);text-shadow:0 0 32px rgba(31,215,107,.55)}
.hero p.lead{font-size:17px;color:rgba(255,255,255,.82);max-width:560px;margin-bottom:32px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.hero-stats{display:flex;flex-wrap:wrap;gap:28px}
.hero-stats .hs b{display:block;font-size:26px;font-weight:900;color:var(--green)}
.hero-stats .hs span{font-size:13px;color:rgba(255,255,255,.65)}
.hero-panel{position:relative}
.hero-card{background:rgba(255,255,255,.05);border:1px solid rgba(31,215,107,.28);border-radius:var(--radius);padding:26px;backdrop-filter:blur(4px);box-shadow:0 24px 60px rgba(0,0,0,.35)}
.hero-card h3{font-size:16px;margin-bottom:18px;color:var(--green);font-weight:800;letter-spacing:.03em}
.hero-card .row{display:flex;justify-content:space-between;align-items:center;padding:11px 0;border-bottom:1px dashed rgba(255,255,255,.13);font-size:14px}
.hero-card .row:last-child{border-bottom:none}
.hero-card .row span{color:rgba(255,255,255,.7)}
.hero-card .row b{color:#fff;font-weight:700}
.pulse{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--green);margin-right:8px;box-shadow:0 0 0 0 rgba(31,215,107,.6);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(31,215,107,.6)}70%{box-shadow:0 0 0 12px rgba(31,215,107,0)}100%{box-shadow:0 0 0 0 rgba(31,215,107,0)}}

/* METRICS */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.metric{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s}
.metric:hover{transform:translateY(-5px);box-shadow:0 18px 40px rgba(9,52,31,.12)}
.metric b{display:block;font-size:34px;font-weight:900;color:var(--green-dark);line-height:1.1;margin-bottom:6px}
.metric span{font-size:14px;color:var(--gray)}

/* CARDS */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s,border-color .3s}
.card:hover{transform:translateY(-6px);box-shadow:0 20px 44px rgba(9,52,31,.13);border-color:rgba(31,215,107,.5)}
.card .ico{width:48px;height:48px;border-radius:13px;background:linear-gradient(135deg,rgba(31,215,107,.18),rgba(31,215,107,.05));display:flex;align-items:center;justify-content:center;margin-bottom:18px;color:var(--green-dark)}
.card h3{font-size:18px;font-weight:800;margin-bottom:8px}
.card p{font-size:14.5px;color:var(--gray)}
.tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.tag{font-size:13px;font-weight:600;padding:7px 15px;border-radius:100px;background:#fff;border:1px solid var(--line);color:#1a4a2f;transition:.25s}
.tag:hover{background:var(--green);color:#04220f;border-color:var(--green)}

/* STEPS */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 22px 26px;box-shadow:var(--shadow)}
.step::before{counter-increment:step;content:counter(step,decimal-leading-zero);font-size:38px;font-weight:900;color:rgba(31,215,107,.2);line-height:1;display:block;margin-bottom:14px}
.step h3{font-size:16px;font-weight:800;margin-bottom:8px}
.step p{font-size:14px;color:var(--gray)}

/* TABLE */
.table-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--line);box-shadow:var(--shadow);background:#fff}
table{width:100%;border-collapse:collapse;min-width:720px}
th,td{padding:16px 20px;text-align:left;font-size:14.5px;border-bottom:1px solid var(--line)}
thead th{background:var(--green-deep);color:#fff;font-weight:700;font-size:14px}
tbody tr:hover{background:rgba(31,215,107,.05)}
td:first-child{font-weight:700;color:#123}
.badge{display:inline-block;font-size:12px;font-weight:700;padding:3px 10px;border-radius:100px;background:rgba(31,215,107,.14);color:var(--green-dark)}
.score{font-size:15px;font-weight:800;color:var(--green-dark)}

/* REVIEW */
.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.review{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s}
.review:hover{transform:translateY(-5px);box-shadow:0 18px 40px rgba(9,52,31,.12)}
.review .stars{color:#ffb400;letter-spacing:2px;margin-bottom:12px;font-size:15px}
.review p{font-size:14.5px;color:#2b3a32;margin-bottom:18px}
.review .who{display:flex;align-items:center;gap:12px}
.review .avatar{width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,var(--green),var(--green-dark));display:flex;align-items:center;justify-content:center;color:#04220f;font-weight:800;font-size:16px}
.review .who b{display:block;font-size:14px}
.review .who span{font-size:12.5px;color:var(--gray)}

/* CASES */
.cases{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.case{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s}
.case:hover{transform:translateY(-6px);box-shadow:0 20px 44px rgba(9,52,31,.13)}
.case .thumb{overflow:hidden;background:#eef7f1}
.case .thumb img{width:100%;height:220px;object-fit:cover;transition:transform .5s}
.case:hover .thumb img{transform:scale(1.05)}
.case .thumb.square img{height:260px;object-fit:cover}
.case .body{padding:20px 22px}
.case .body h3{font-size:16px;font-weight:800;margin-bottom:6px}
.case .body p{font-size:14px;color:var(--gray)}

/* ARTICLE */
.articles{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.article{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s}
.article:hover{transform:translateY(-5px);box-shadow:0 18px 40px rgba(9,52,31,.12)}
.article .meta{font-size:12px;color:var(--green-dark);font-weight:700;margin-bottom:10px}
.article h3{font-size:16px;font-weight:800;margin-bottom:8px}
.article p{font-size:13.5px;color:var(--gray)}

/* FAQ */
.faq{max-width:900px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:14px;overflow:hidden;box-shadow:0 4px 14px rgba(9,52,31,.04)}
.faq-q{width:100%;text-align:left;background:none;border:none;padding:20px 24px;font-size:15.5px;font-weight:700;color:var(--ink);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq-q .plus{font-size:22px;color:var(--green-dark);transition:transform .3s;flex-shrink:0;line-height:1}
.faq-item.open .plus{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a p{padding:0 24px 20px;font-size:14.5px;color:var(--gray)}
.faq-item.open .faq-a{max-height:320px}

/* FORM */
.form-layout{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.contact-box{background:linear-gradient(155deg,#07180f,#0b3420);color:#fff;border-radius:var(--radius);padding:38px;box-shadow:var(--shadow)}
.contact-box h3{font-size:22px;font-weight:800;margin-bottom:14px}
.contact-box p{color:rgba(255,255,255,.75);font-size:14.5px;margin-bottom:24px}
.contact-list{list-style:none;display:flex;flex-direction:column;gap:14px}
.contact-list li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:rgba(255,255,255,.85)}
.contact-list li b{color:var(--green)}
.qrcode{margin-top:26px;display:flex;align-items:center;gap:16px;background:rgba(255,255,255,.06);padding:16px;border-radius:12px;border:1px solid rgba(31,215,107,.25)}
.qrcode img{width:92px;height:92px;object-fit:cover;border-radius:8px;background:#fff}
.qrcode span{font-size:13.5px;color:rgba(255,255,255,.8)}
form.enquiry{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px;box-shadow:var(--shadow)}
.field{margin-bottom:18px}
.field label{display:block;font-size:13.5px;font-weight:700;margin-bottom:7px;color:#1a3a29}
.field input,.field select,.field textarea{width:100%;padding:13px 15px;border:1px solid var(--line);border-radius:10px;font-size:14.5px;font-family:inherit;color:var(--ink);background:#fbfdfc;transition:border-color .2s,box-shadow .2s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 3px rgba(31,215,107,.15);background:#fff}
.field textarea{resize:vertical;min-height:110px}
form.enquiry button{width:100%;margin-top:6px}

/* TIMELINE */
.timeline{position:relative;border-left:2px solid rgba(31,215,107,.35);margin-left:12px;padding-left:30px;display:flex;flex-direction:column;gap:28px}
.tl-item{position:relative}
.tl-item::before{content:"";position:absolute;left:-38px;top:5px;width:14px;height:14px;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px rgba(31,215,107,.18)}
.tl-item h4{font-size:15.5px;font-weight:800;margin-bottom:5px}
.tl-item p{font-size:14px;color:var(--gray)}

/* PRICING */
.prices{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.price{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s}
.price:hover{transform:translateY(-6px);box-shadow:0 20px 44px rgba(9,52,31,.13)}
.price.hot{border-color:var(--green);position:relative}
.price.hot::after{content:"热门";position:absolute;top:-12px;right:22px;background:var(--green);color:#04220f;font-size:12px;font-weight:800;padding:3px 12px;border-radius:100px}
.price h3{font-size:17px;font-weight:800;margin-bottom:8px}
.price .amount{font-size:30px;font-weight:900;color:var(--green-dark);margin-bottom:4px}
.price .amount small{font-size:13px;color:var(--gray);font-weight:600}
.price ul{list-style:none;margin-top:18px;display:flex;flex-direction:column;gap:10px}
.price ul li{font-size:14px;color:#334;display:flex;gap:8px;align-items:flex-start}
.price ul li::before{content:"✓";color:var(--green-dark);font-weight:900;flex-shrink:0}

/* NETWORK */
.network{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.network .n{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px;text-align:center;box-shadow:var(--shadow);font-weight:700;font-size:15px;transition:.3s}
.network .n span{display:block;font-size:12.5px;color:var(--gray);font-weight:500;margin-top:4px}
.network .n:hover{border-color:var(--green);transform:translateY(-4px)}

/* FOOTER */
footer.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;margin-bottom:44px}
footer.site-footer h4{color:#fff;font-size:15px;font-weight:800;margin-bottom:16px}
footer.site-footer ul{list-style:none;display:flex;flex-direction:column;gap:10px}
footer.site-footer a{font-size:14px;color:rgba(255,255,255,.68);transition:color .2s}
footer.site-footer a:hover{color:var(--green)}
footer .brand p{font-size:14px;margin:16px 0;color:rgba(255,255,255,.62)}
footer .brand .ai-page-logo{height:36px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:22px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.5)}
.friend-links{display:flex;flex-wrap:wrap;gap:14px;font-size:13px;margin-bottom:14px}

/* FLOAT */
.float-widget{position:fixed;right:22px;bottom:88px;z-index:200;display:flex;flex-direction:column;gap:12px}
.float-widget .fw{width:52px;height:52px;border-radius:50%;background:linear-gradient(135deg,var(--green),var(--green-dark));color:#04220f;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 26px rgba(31,215,107,.42);cursor:pointer;border:none;transition:transform .25s;font-weight:800;font-size:13px;text-align:center;line-height:1.1;flex-direction:column}
.float-widget .fw:hover{transform:scale(1.08)}
.kefu-pop{position:fixed;right:84px;bottom:150px;background:#fff;border-radius:14px;box-shadow:0 18px 50px rgba(0,0,0,.18);padding:14px;z-index:200;display:none;border:1px solid var(--line)}
.kefu-pop.show{display:block}
.kefu-pop img{width:170px;height:170px;object-fit:cover;border-radius:10px}
.kefu-pop p{text-align:center;font-size:12.5px;color:var(--gray);margin-top:8px}
.back-top{position:fixed;right:22px;bottom:24px;z-index:200;width:52px;height:52px;border-radius:50%;background:#fff;border:1px solid var(--line);box-shadow:0 8px 24px rgba(9,52,31,.14);display:flex;align-items:center;justify-content:center;cursor:pointer;opacity:0;pointer-events:none;transition:opacity .3s,transform .3s;color:var(--green-dark)}
.back-top.show{opacity:1;pointer-events:auto}
.back-top:hover{transform:translateY(-4px)}

/* REVEAL */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.gallery img{border-radius:var(--radius);box-shadow:var(--shadow);width:100%;height:100%;object-fit:cover;transition:transform .4s,box-shadow .4s}
.gallery img:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(9,52,31,.16)}

@media(max-width:1024px){
.hero-grid{grid-template-columns:1fr;gap:40px}
.metrics,.cards,.reviews,.cases,.articles,.prices,.steps,.network{grid-template-columns:repeat(2,1fr)}
.footer-grid{grid-template-columns:1fr 1fr}
.form-layout{grid-template-columns:1fr}
.nav-links{display:none}
.burger{display:flex}
.nav-cta .btn-line{display:none}
}
@media(max-width:640px){
.section{padding:58px 0}
.container{padding:0 18px}
.metrics,.cards,.reviews,.cases,.articles,.prices,.steps,.network,.gallery{grid-template-columns:1fr}
.footer-grid{grid-template-columns:1fr}
.hero{padding:64px 0 72px}
.hero-stats{gap:20px}
.hero-actions .btn{width:100%}
.contact-box,form.enquiry{padding:24px}
.faq-q{padding:16px 18px;font-size:14.5px}
.faq-a p{padding:0 18px 16px}
.kefu-pop{right:12px;bottom:150px}
.table-wrap{border-radius:12px}
}