/* ============ 菜悟空官网 公共样式 ============ */
:root{
  --green:#45A849; --green-dark:#3A8F3D; --green-soft:#F1F8F1; --green-soft2:#EAF5EA;
  --orange:#FF740E; --orange-dark:#E85F00;
  --ink:#1F2A24; --gray:#6B7770; --line:#E5EBE6; --bg:#FFFFFF; --bg-soft:#F7F9F8;
  --shadow:0 10px 30px rgba(31,42,36,.08); --shadow-sm:0 4px 14px rgba(31,42,36,.06);
  --radius:16px; --radius-sm:12px; --maxw:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;color:var(--ink);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:16px;font-weight:600;padding:13px 26px;border-radius:999px;cursor:pointer;border:none;transition:.2s;white-space:nowrap}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 8px 20px rgba(255,116,14,.28)}
.btn-primary:hover{background:var(--orange-dark);transform:translateY(-2px)}
.btn-ghost{background:#fff;color:var(--green-dark);border:1.5px solid var(--green)}
.btn-ghost:hover{background:var(--green-soft)}
.btn-lg{font-size:17px;padding:15px 34px}
section{padding:84px 0}
.sec-head{text-align:center;max-width:680px;margin:0 auto 52px}
.sec-tag{display:inline-block;font-size:14px;font-weight:600;color:var(--green);background:var(--green-soft);padding:5px 14px;border-radius:999px;margin-bottom:16px}
.sec-title{font-size:34px;font-weight:800;letter-spacing:-.5px;line-height:1.3}
.sec-sub{margin-top:14px;font-size:17px;color:var(--gray)}

/* SVG 语义图标 */
.icon{width:1em;height:1em;display:inline-block;vertical-align:-.125em;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.icon-box{width:56px;height:56px;border-radius:14px;background:var(--green-soft);color:var(--green-dark);display:flex;align-items:center;justify-content:center;font-size:28px;flex-shrink:0}
.icon-box.warn{background:#FFF1E6;color:var(--orange-dark)}

/* NAV */
header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid transparent;transition:.25s}
header.scrolled{border-bottom-color:var(--line);box-shadow:0 2px 12px rgba(31,42,36,.05)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.nav .logo img{height:48px}
.nav-links{display:flex;gap:30px;align-items:center}
.nav-links a{font-size:15.5px;font-weight:500;color:var(--ink);transition:.2s;position:relative}
.nav-links a:hover,.nav-links a.active{color:var(--green)}
.nav-links a.active::after{content:"";position:absolute;left:0;right:0;bottom:-26px;height:3px;background:var(--green);border-radius:3px}
.nav-right{display:flex;align-items:center;gap:14px}
.nav-tel{font-size:15px;font-weight:600;color:var(--green-dark)}
.nav-toggle{display:none;font-size:26px;background:none;border:none;cursor:pointer;color:var(--ink)}

/* PAGE HERO (子页通用小头图) */
.page-hero{background:linear-gradient(120deg,var(--green),var(--green-dark));color:#fff;padding:64px 0 56px;text-align:center}
.page-hero h1{font-size:40px;font-weight:800;letter-spacing:-.5px}
.page-hero p{margin-top:14px;font-size:18px;color:rgba(255,255,255,.9);max-width:680px;margin-left:auto;margin-right:auto}
.crumb{font-size:13.5px;color:rgba(255,255,255,.75);margin-bottom:18px}
.crumb a:hover{color:#fff}

/* CARDS 通用 */
.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(2,1fr)} .g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)} .g5{grid-template-columns:repeat(5,1fr)}
.card{border:1px solid var(--line);border-radius:var(--radius);padding:28px;background:#fff;transition:.25s}
.card:hover{box-shadow:var(--shadow);transform:translateY(-4px);border-color:transparent}
.card h3{font-size:19px;font-weight:800;margin:14px 0 8px}
.card p{font-size:14.5px;color:var(--gray)}
.card .gain{margin-top:12px;font-size:13.5px;font-weight:600;color:var(--orange)}

/* CTA 区块 */
.cta{background:linear-gradient(120deg,var(--green),var(--green-dark));color:#fff}
.cta-box{display:grid;grid-template-columns:1.1fr 1fr;gap:50px;align-items:center}
.cta-box h2{font-size:34px;font-weight:800;line-height:1.3}
.cta-box .sub{margin-top:16px;font-size:17px;color:rgba(255,255,255,.9)}
.cta-perks{margin-top:24px;display:flex;flex-direction:column;gap:12px}
.cta-perks li{list-style:none;font-size:16px;display:flex;align-items:center;gap:10px}
.cta-perks li svg{flex-shrink:0;color:#FFD18A}
.form{background:#fff;border-radius:20px;padding:34px;box-shadow:0 20px 50px rgba(0,0,0,.2)}
.form h3{color:var(--ink);font-size:22px;font-weight:800;margin-bottom:6px}
.form .tip{color:var(--gray);font-size:14px;margin-bottom:20px}
.form .field{margin-bottom:14px}
.form label{display:block;font-size:13.5px;color:var(--ink);font-weight:600;margin-bottom:6px}
.form input,.form select{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;font-size:15px;color:var(--ink);font-family:inherit;background:#fff}
.form input:focus,.form select:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 3px var(--green-soft)}
.form .btn{width:100%;margin-top:8px}
.form .pl{font-size:12px;color:var(--gray);text-align:center;margin-top:12px}

/* FAQ */
.faq-list{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;overflow:hidden}
.faq-q{padding:20px 24px;font-size:16.5px;font-weight:700;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq-q .pm{color:var(--green);font-size:22px;transition:.2s;flex-shrink:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s;color:var(--gray);font-size:15px}
.faq-a div{padding:0 24px 20px}
.faq-item.open .faq-a{max-height:400px}
.faq-item.open .pm{transform:rotate(45deg)}

/* FOOTER */
footer{background:#16201A;color:rgba(255,255,255,.7);padding:60px 0 30px}
.foot-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1)}
.foot-brand img{height:40px;margin-bottom:16px;filter:brightness(0) invert(1)}
.foot-brand p{font-size:14px;max-width:280px}
.foot-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
.foot-col a,.foot-col p{display:block;font-size:14px;margin-bottom:10px;transition:.2s}
.foot-col a:hover{color:var(--green)}
.foot-bottom{padding-top:24px;text-align:center;font-size:13px;color:rgba(255,255,255,.5)}
.foot-bottom a{color:rgba(255,255,255,.5)}
.foot-bottom a:hover{color:#fff}

/* reveal */
.reveal{opacity:0;transform:translateY(24px);transition:.7s cubic-bezier(.16,1,.3,1)}
.reveal.in{opacity:1;transform:none}

/* RESPONSIVE */
@media(max-width:980px){
  .nav-links{display:none}
  .nav-toggle{display:block}
  .g3,.g4,.g5{grid-template-columns:repeat(2,1fr)}
  .cta-box{grid-template-columns:1fr;gap:30px}
  .sec-title{font-size:27px} .page-hero h1{font-size:30px}
  .foot-top{grid-template-columns:1fr 1fr}
}
@media(max-width:560px){
  section{padding:56px 0}
  .g2,.g3,.g4,.g5{grid-template-columns:1fr}
}

/* 产品演示 */
.tabs{display:flex;justify-content:center;gap:10px;margin-bottom:38px;flex-wrap:wrap}
.tab{font-size:15.5px;font-weight:600;padding:10px 24px;border-radius:999px;cursor:pointer;color:var(--gray);background:#fff;border:1px solid var(--line);transition:.2s}
.tab.active{background:var(--green);color:#fff;border-color:var(--green)}
.tab-panel{display:none}.tab-panel.active{display:block;animation:fade .4s}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1}}
.shots{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.shot{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow-sm);transition:.25s}
.shot:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.shot .cap{padding:11px;text-align:center;font-size:13.5px;color:var(--gray);font-weight:500}
.shots-wide{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.shot-ph{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:260px;background:repeating-linear-gradient(45deg,#fff,#fff 12px,var(--bg-soft) 12px,var(--bg-soft) 24px);color:var(--gray);font-size:14px;text-align:center;padding:20px;border:1px dashed var(--line);border-radius:18px}
/* 解决方案行 */
.sol-item{display:grid;grid-template-columns:auto 1fr;gap:24px;align-items:start;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 32px;transition:.25s;margin-bottom:20px}
.sol-item:hover{box-shadow:var(--shadow);border-color:transparent}
.sol-item .big-ic{width:64px;height:64px;border-radius:16px;background:var(--green-soft);color:var(--green-dark);display:flex;align-items:center;justify-content:center;font-size:32px}
.sol-item h3{font-size:21px;font-weight:800;margin-bottom:8px}
.sol-item p{font-size:15px;color:var(--gray);margin-bottom:12px}
.sol-item .pts{display:flex;flex-wrap:wrap;gap:8px}
.sol-item .pts span{font-size:13px;background:var(--green-soft);color:var(--green-dark);padding:5px 12px;border-radius:999px;font-weight:600}
/* 价值量化 */
.value-band{background:linear-gradient(120deg,#13371C,#1F5028);color:#fff}
.value-band .sec-title{color:#fff}.value-band .sec-sub{color:rgba(255,255,255,.8)}
.val-card{text-align:center;padding:30px 18px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius)}
.val-card .num{font-size:46px;font-weight:800;color:#FFD18A;line-height:1}.val-card .num small{font-size:24px}
.val-card .lbl{margin-top:12px;font-size:15px;color:rgba(255,255,255,.9)}
/* 资讯 */
.news-cats{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-bottom:40px}
.news-cat{font-size:14.5px;font-weight:600;padding:8px 20px;border-radius:999px;cursor:pointer;color:var(--gray);background:#fff;border:1px solid var(--line)}
.news-cat.active{background:var(--green);color:#fff;border-color:var(--green)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;transition:.25s;display:flex;flex-direction:column}
.news-card:hover{box-shadow:var(--shadow);transform:translateY(-4px);border-color:transparent}
.news-card .body{padding:24px;display:flex;flex-direction:column;flex:1}
.news-card .tagline{font-size:12.5px;font-weight:600;color:var(--green);margin-bottom:10px}
.news-card h3{font-size:18px;font-weight:700;line-height:1.45;margin-bottom:10px}
.news-card p{font-size:14px;color:var(--gray);flex:1}
.news-card .date{margin-top:16px;font-size:12.5px;color:var(--gray)}
/* 文章正文 */
.article{max-width:760px;margin:0 auto}
.article h1{font-size:33px;font-weight:800;line-height:1.35;margin-bottom:16px}
.article .meta{font-size:13.5px;color:var(--gray);margin-bottom:32px;padding-bottom:20px;border-bottom:1px solid var(--line)}
.article h2{font-size:23px;font-weight:800;margin:34px 0 14px}
.article h3{font-size:18.5px;font-weight:700;margin:24px 0 10px}
.article p{font-size:16px;color:#374039;margin-bottom:16px;line-height:1.85}
.article ul{margin:0 0 16px 22px;color:#374039}.article li{font-size:16px;margin-bottom:8px;line-height:1.8}
.article .lead{font-size:18px;color:var(--gray);margin-bottom:24px}
/* 案例 / logo墙 / 证言 */
.logo-wall{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.logo-item{display:flex;align-items:center;justify-content:center;gap:10px;padding:18px 12px;background:var(--bg-soft);border:1px solid var(--line);border-radius:12px;font-size:14.5px;font-weight:600;color:var(--gray);transition:.25s}
.logo-item:hover{color:var(--ink);box-shadow:var(--shadow-sm)}
.logo-item .dot-img{width:36px;height:36px;object-fit:contain;flex-shrink:0}
.case-card{border:1px solid var(--line);border-radius:var(--radius);padding:28px;background:#fff;transition:.25s}
.case-card:hover{box-shadow:var(--shadow);transform:translateY(-4px);border-color:transparent}
.case-card .meta{font-size:13px;font-weight:600;color:var(--green);margin-bottom:12px}
.case-card h3{font-size:18px;font-weight:700;margin-bottom:10px}
.case-card .desc{font-size:14.5px;color:var(--gray);margin-bottom:16px}
.case-card .kpis{display:flex;gap:18px;border-top:1px solid var(--line);padding-top:16px}
.case-card .kpi b{display:block;font-size:23px;font-weight:800;color:var(--orange)}
.case-card .kpi span{font-size:12px;color:var(--gray)}
.quote{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.quote p{font-size:15px;color:#374039;line-height:1.8;margin-bottom:16px}
.quote .who{font-size:13.5px;color:var(--gray);font-weight:600}
.about-intro{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.about-intro img{border-radius:var(--radius);box-shadow:var(--shadow)}
.about-intro h2{font-size:30px;font-weight:800;line-height:1.3;margin-bottom:16px}
.about-intro p{font-size:16px;color:var(--gray);margin-bottom:14px}
@media(max-width:980px){.shots{grid-template-columns:repeat(3,1fr)}.sol-item{grid-template-columns:1fr}.sol-item .big-ic{width:52px;height:52px}.news-grid{grid-template-columns:repeat(2,1fr)}.logo-wall{grid-template-columns:repeat(3,1fr)}.about-intro{grid-template-columns:1fr}}
@media(max-width:560px){.shots{grid-template-columns:repeat(2,1fr)}.news-grid{grid-template-columns:1fr}.logo-wall{grid-template-columns:repeat(2,1fr)}}
/* 导航 App 下载下拉 */
.nav-dl{position:relative}
.nav-dl-btn{font-size:15.5px;font-weight:500;color:var(--ink);cursor:pointer;display:inline-flex;align-items:center;gap:4px}
.nav-dl:hover .nav-dl-btn{color:var(--green)}
.nav-dl-panel{display:none;position:absolute;top:100%;right:0;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:18px;z-index:200}
.nav-dl:hover .nav-dl-panel{display:block}
.nav-dl-panel>p{font-size:13px;color:var(--gray);margin-bottom:12px;text-align:center;font-weight:600}
.dl-codes{display:flex;gap:14px}
.dl-codes>div{text-align:center}
.dl-codes .qr{width:88px;height:88px;border-radius:10px;background:var(--green-soft);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--green-dark);font-size:13px;font-weight:700;margin-bottom:6px}
.dl-codes span{font-size:12px;color:var(--gray)}
@media(max-width:980px){.nav-dl,.nav-tel{display:none}}
/* 合作伙伴跑马灯 */
.logo-marquee{overflow:hidden;display:flex;flex-direction:column;gap:20px;-webkit-mask:linear-gradient(90deg,transparent,#000 5%,#000 95%,transparent);mask:linear-gradient(90deg,transparent,#000 5%,#000 95%,transparent)}
.logo-track.rev{animation-direction:reverse}
.logo-track{display:flex;gap:18px;width:max-content;animation:logoscroll 40s linear infinite}
.logo-marquee:hover .logo-track{animation-play-state:paused}
@keyframes logoscroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.logo-track .logo-item{flex-shrink:0;flex-direction:column;text-align:center;justify-content:center;font-size:15.5px;font-weight:600;padding:24px 30px;gap:12px;min-width:160px}
.logo-track .dot-img{width:66px;height:66px}
/* App 下载按钮 */
.store-btns{display:flex;flex-wrap:wrap;gap:12px}
.store-btn{display:inline-flex;align-items:center;gap:9px;background:var(--ink);color:#fff;padding:11px 22px;border-radius:11px;font-size:14.5px;font-weight:600;transition:.2s;width:fit-content;min-width:158px}
.store-btn:hover{background:#000;transform:translateY(-2px)}
.store-btn svg{flex-shrink:0}
.store-btn b{font-size:15px;font-weight:700}
.store-btn small{display:block;font-size:10.5px;font-weight:400;opacity:.75;line-height:1.1}