:root{
  --green:#14532d; --green2:#1f6b45; --teal:#0f766e; --gold:#b8860b; --gold2:#c99a3a;
  --ink:#22302a; --muted:#6b7a72; --line:#e6e2d6; --bg:#f7f5ef; --card:#ffffff;
  --shadow:0 6px 24px rgba(20,60,40,.08); --radius:16px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth; scroll-padding-top:80px}
body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--ink);background:var(--bg);line-height:1.7;font-size:16px}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:1160px;margin:0 auto;padding:0 22px}
h1,h2,h3,h4{line-height:1.3;margin:0 0 .4em;font-weight:800;color:var(--green)}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand-logo{height:46px;width:auto}
.main-nav{display:flex;gap:28px;font-weight:600}
.main-nav a{color:var(--ink);padding:6px 2px;position:relative;transition:color .2s}
.main-nav a:hover{color:var(--green2)}
.main-nav a::after{content:"";position:absolute;left:0;bottom:-4px;width:0;height:2px;background:var(--gold2);transition:width .25s}
.main-nav a:hover::after{width:100%}
.nav-toggle{display:none;font-size:24px;background:none;border:0;color:var(--green);cursor:pointer}

/* hero */
.hero{background:linear-gradient(135deg,#0f3d24 0%,#1f6b45 55%,#0f766e 100%);color:#fff;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 80% 20%,rgba(201,154,58,.25),transparent 45%);pointer-events:none}
.hero-inner{display:flex;align-items:center;gap:40px;padding:70px 22px;position:relative}
.hero-text{flex:1}
.hero-eyebrow{color:var(--gold2);letter-spacing:4px;font-weight:600;margin:0 0 10px}
.hero h1{color:#fff;font-size:40px;margin:0 0 16px}
.hero-desc{color:rgba(255,255,255,.9);max-width:620px;font-size:17px}
.hero-values{display:flex;gap:12px;flex-wrap:wrap;margin:18px 0 26px}
.hero-values span{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.25);padding:5px 14px;border-radius:999px;font-size:14px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-mark{width:230px;flex-shrink:0}
.hero-mark img{filter:drop-shadow(0 10px 30px rgba(0,0,0,.3))}

.btn{display:inline-block;padding:12px 26px;border-radius:999px;font-weight:700;transition:transform .15s,box-shadow .2s,background .2s;cursor:pointer;border:0;font-size:16px}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--gold2);color:#2a1c00;box-shadow:0 8px 22px rgba(201,154,58,.35)}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.6)}
.btn-lg{padding:15px 34px;font-size:17px}
.btn-sm{padding:7px 16px;font-size:14px}

/* sections */
.section{padding:66px 0}
.section.alt{background:#fff}
.section-head{display:flex;align-items:flex-start;gap:18px;margin-bottom:34px}
.sec-index{font-size:40px;font-weight:800;color:var(--gold2);opacity:.5;line-height:1}
.section-head h2{font-size:28px;margin:0}
.sec-sub{color:var(--muted);margin:4px 0 0}

/* products */
.products{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.product-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:14px;transition:transform .2s,border-color .2s}
.section.alt .product-card{background:var(--bg)}
.product-card:hover{transform:translateY(-4px);border-color:var(--gold2)}
.product-ico{width:54px;height:54px;border-radius:14px;background:linear-gradient(135deg,var(--green2),var(--teal));display:flex;align-items:center;justify-content:center;color:#fff}
.product-ico svg{width:28px;height:28px}
.p-index{font-size:13px;color:var(--gold2);font-weight:800;letter-spacing:1px}
.product-card h3{margin:0;font-size:19px}
.product-card p{margin:0;color:var(--muted);font-size:15px;flex:1}
.p-feats{list-style:none;padding:0;margin:0;font-size:14px;color:var(--ink)}
.p-feats li{padding-left:20px;position:relative;margin:5px 0}
.p-feats li::before{content:"›";position:absolute;left:0;color:var(--teal);font-weight:800}
.btn-enter{display:block;text-align:center;background:var(--green2);color:#fff;padding:12px;border-radius:10px;font-weight:700;transition:background .2s}
.btn-enter:hover{background:var(--green)}
.btn-enter.soon{background:#d9d5c8;color:#8a8577;cursor:not-allowed}

/* trace */
.trace-card{display:flex;gap:30px;align-items:center;background:linear-gradient(120deg,#fff,#f2f6f1);border:1px solid var(--line);border-radius:var(--radius);padding:34px;box-shadow:var(--shadow);flex-wrap:wrap}
.trace-info{flex:1;min-width:280px}
.trace-info h3{font-size:22px}
.trace-feats{list-style:none;padding:0;margin:14px 0 0;color:var(--ink)}
.trace-feats li{padding-left:26px;position:relative;margin:8px 0}
.trace-feats li::before{content:"✓";position:absolute;left:0;color:var(--teal);font-weight:800}
.trace-login{flex-shrink:0;text-align:center;background:var(--green);color:#fff;border-radius:var(--radius);padding:30px 34px;min-width:260px}
.trace-login-badge{font-size:13px;letter-spacing:3px;color:var(--gold2);margin-bottom:14px}
.trace-note{margin:14px 0 0;font-size:13px;color:rgba(255,255,255,.75)}

/* gap */
.gap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.gap-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px;box-shadow:var(--shadow);transition:transform .2s,border-color .2s}
.section.alt .gap-card{background:var(--bg)}
.gap-card:hover{transform:translateY(-4px);border-color:var(--gold2)}
.gap-card h4{color:var(--green2);font-size:17px;margin-bottom:6px}
.gap-card p{margin:0;color:var(--muted);font-size:15px}
.gap-flow{margin-top:34px;background:var(--green);border-radius:var(--radius);padding:26px 28px;color:#fff}
.gap-flow h4{color:#fff;margin-bottom:16px}
.flow-steps{list-style:none;display:flex;justify-content:space-between;gap:10px;padding:0;margin:0;flex-wrap:wrap}
.flow-steps li{flex:1;min-width:120px;text-align:center;font-weight:600;position:relative}
.flow-steps li span{display:inline-flex;width:34px;height:34px;border-radius:50%;background:var(--gold2);color:#2a1c00;align-items:center;justify-content:center;margin-bottom:8px;font-weight:800}

/* news */
.news-list{display:flex;flex-direction:column;gap:14px}
.news-item{background:#fff;border:1px solid var(--line);border-left:4px solid var(--teal);border-radius:12px;padding:18px 22px;box-shadow:var(--shadow)}
.news-top{display:flex;justify-content:space-between;gap:14px;align-items:baseline;flex-wrap:wrap}
.news-title{font-size:18px;font-weight:700;color:var(--green);cursor:pointer}
.news-title:hover{color:var(--green2)}
.news-meta{color:var(--muted);font-size:13px;white-space:nowrap}
.news-cat{display:inline-block;background:#eef4ee;color:var(--teal);border-radius:6px;padding:1px 9px;font-size:12px;margin-right:8px}
.news-sum{color:#41504a;margin:8px 0 0;display:none}
.news-item.open .news-sum{display:block}
.news-src{color:var(--muted);font-size:13px;margin-top:8px}
.news-src a{color:var(--teal)}
.tag-example{background:#fff3cd;color:#8a6d1a;border-radius:6px;padding:1px 8px;font-size:12px;margin-left:8px}

/* policy */
.policy-toolbar{display:flex;gap:12px;margin-bottom:18px;flex-wrap:wrap}
.policy-toolbar input,.policy-toolbar select{padding:10px 14px;border:1px solid var(--line);border-radius:10px;font-size:15px;background:#fff;color:var(--ink)}
.policy-toolbar input[type=search]{flex:1;min-width:200px}
.policy-list{display:flex;flex-direction:column;gap:12px}
.policy-item{display:flex;justify-content:space-between;gap:18px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 20px;box-shadow:var(--shadow);flex-wrap:wrap}
.section.alt .policy-item{background:var(--bg)}
.policy-main{flex:1;min-width:240px}
.policy-title{font-weight:700;color:var(--green);font-size:16px}
.policy-sub{color:var(--muted);font-size:13px;margin-top:4px}
.policy-badge{display:inline-block;background:var(--green2);color:#fff;border-radius:6px;padding:1px 9px;font-size:12px;margin-right:8px}
.policy-badge.prov{background:var(--gold2);color:#2a1c00}
.policy-acts{display:flex;gap:10px;flex-shrink:0}
.policy-acts .btn-primary{background:var(--green2);color:#fff;box-shadow:none}
.policy-acts .btn-ghost{color:var(--green2);border:1.5px solid var(--green2)}

/* carousel */
.carousel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.car-viewport{position:relative;overflow:hidden}
.car-track{display:flex;transition:transform .45s ease;will-change:transform}
.car-slide{margin:0;flex:0 0 100%;background:#f4f6f2}
.car-slide img{width:100%;height:auto;aspect-ratio:16/9;object-fit:contain;display:block;cursor:zoom-in}
.car-arrow{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border-radius:50%;border:0;background:rgba(20,60,40,.42);color:#fff;font-size:28px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;z-index:3;transition:background .2s}
.car-arrow:hover{background:rgba(20,60,40,.72)}
.car-prev{left:14px}
.car-next{right:14px}
.car-bar{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:14px 18px;flex-wrap:wrap}
.car-caption{font-weight:700;color:var(--green);font-size:15px}
.car-dots{display:flex;gap:8px}
.car-dot{width:9px;height:9px;border-radius:50%;background:#cfd8cf;border:0;cursor:pointer;padding:0;transition:transform .2s,background .2s}
.car-dot.active{background:var(--gold2);transform:scale(1.35)}

/* lightbox */
.lightbox{position:fixed;inset:0;background:rgba(8,20,14,.9);display:flex;align-items:center;justify-content:center;z-index:120;padding:24px}
.lightbox[hidden]{display:none}
.lightbox img{max-width:96vw;max-height:92vh;object-fit:contain;border-radius:8px;box-shadow:0 10px 40px rgba(0,0,0,.5)}
.lb-close{position:absolute;top:20px;right:26px;color:#fff;font-size:30px;cursor:pointer;line-height:1}

/* footer */
.site-footer{background:#0f2c1c;color:rgba(255,255,255,.82);padding:44px 0 20px;margin-top:20px}
.footer-inner{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:30px}
.foot-logo{height:112px;width:auto;opacity:1;margin-bottom:14px}
.site-footer h5{color:#fff;margin:0 0 10px;font-size:15px}
.site-footer a{display:block;color:rgba(255,255,255,.75);margin:6px 0}
.site-footer a:hover{color:var(--gold2)}
.foot-contact p{margin:0;white-space:pre-line}
.foot-bottom{border-top:1px solid rgba(255,255,255,.15);margin-top:26px;padding-top:16px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;font-size:13px;color:rgba(255,255,255,.6)}

/* modal */
.modal{position:fixed;inset:0;background:rgba(10,25,18,.6);display:flex;align-items:center;justify-content:center;z-index:100;padding:20px}
.modal[hidden]{display:none}
.modal-box{background:#fff;border-radius:14px;width:min(920px,96vw);height:min(82vh,900px);display:flex;flex-direction:column;overflow:hidden}
.modal-head{display:flex;justify-content:space-between;align-items:center;padding:14px 18px;border-bottom:1px solid var(--line);font-weight:700;color:var(--green)}
.modal-close{background:none;border:0;font-size:20px;cursor:pointer;color:var(--muted)}
#previewFrame{flex:1;width:100%;border:0}

.loading,.empty{color:var(--muted);text-align:center;padding:30px}

/* responsive */
@media(max-width:820px){
  .main-nav{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;flex-direction:column;gap:0;padding:10px 22px;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
  .main-nav.show{display:flex}
  .main-nav a{padding:12px 0;border-bottom:1px solid var(--line)}
  .nav-toggle{display:block}
  .hero-inner{flex-direction:column;text-align:center;padding:48px 22px}
  .hero h1{font-size:30px}
  .hero-cta,.hero-values{justify-content:center}
  .hero-mark{width:150px}
  .products{grid-template-columns:1fr}
  .car-arrow{width:36px;height:36px;font-size:22px}
  .car-bar{justify-content:center}
  .car-caption{width:100%;text-align:center;font-size:14px}
  .gap-grid{grid-template-columns:1fr 1fr}
  .footer-inner{grid-template-columns:1fr}
  .flow-steps li{min-width:80px}
}
@media(max-width:520px){ .gap-grid{grid-template-columns:1fr} }

/* 隐藏平台注入的品牌栏/角标（千问办公水印） */
#mulepage-bar, #mulepage-footer, [id^="mulepage-"], [class*="mulepage-"] { display: none !important; }