/* roulang page: index */
:root{
  --brand:#0B5D46;
  --brand-deep:#08402F;
  --accent:#FF7A29;
  --signal:#10BFA4;
  --ink:#0F1512;
  --body:#3C4A45;
  --line:#E2EAE5;
  --bg:#F3F6F4;
  --card:#FFFFFF;
  --dark:#0C1411;
  --soft:#F7FAF8;
  --muted:#75857E;
  --danger:#D64545;
  --r-card:16px;
  --r-img:14px;
  --r-btn:12px;
  --r-input:10px;
  --r-badge:6px;
  --sh:0 8px 24px rgba(11,93,70,.08);
  --sh-hover:0 16px 32px rgba(11,93,70,.14);
  --t:220ms cubic-bezier(.2,.7,.3,1);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--body);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);font-weight:700;line-height:1.25}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
a{color:var(--brand);text-decoration:none;transition:color var(--t)}
a:hover,a:focus{color:var(--accent)}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--signal);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums;font-weight:700}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border:1px solid transparent;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:transform var(--t),background var(--t),color var(--t),border-color var(--t),box-shadow var(--t);
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(-1px)}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(255,122,41,.28)}
.btn-primary:hover{background:#ff8a45;color:#fff;box-shadow:0 14px 26px rgba(255,122,41,.34)}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn-dark{background:var(--brand);color:#fff}
.btn-dark:hover{background:var(--brand-deep);color:#fff}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:10px}
.btn-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--brand);position:relative}
.btn-link i{transition:transform var(--t)}
.btn-link:hover i{transform:translateX(4px)}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-block;padding:3px 10px;border-radius:var(--r-badge);
  font-size:12px;font-weight:600;line-height:1.6;
  background:rgba(11,93,70,.08);color:var(--brand);
}
.badge-accent{background:rgba(255,122,41,.12);color:#C9541A}
.badge-signal{background:rgba(16,191,164,.14);color:#0A8574}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:50;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--t);
}
.site-header.is-stuck{box-shadow:0 6px 20px rgba(12,20,17,.07)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px;transition:height var(--t)}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:40px;height:40px;border-radius:11px;background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:18px;flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;line-height:1.24}
.brand-name{font-size:18px;font-weight:700;letter-spacing:.2px}
.brand-sub{font-size:12px;color:var(--muted);letter-spacing:.4px}
.topbar-actions{display:flex;align-items:center;gap:12px}
.search-box{position:relative;display:flex;align-items:center}
.search-toggle{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:#fff;
  color:var(--brand);cursor:pointer;transition:all var(--t);
}
.search-toggle:hover{border-color:var(--brand);background:var(--soft)}
.search-form{width:0;overflow:hidden;transition:width var(--t);margin-left:0}
.search-box.open .search-form{width:280px;margin-left:10px}
.search-form input{
  width:100%;height:40px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-input);
  font-size:14px;color:var(--ink);background:#fff;transition:border-color var(--t),box-shadow var(--t);
}
.search-form input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(255,122,41,.14)}
.menu-toggle{
  display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--brand);cursor:pointer;font-size:16px;
}
.channelbar{border-top:1px solid var(--line);background:#fff}
.channelbar-inner{display:flex;align-items:center;gap:16px;height:44px}
.channel-list{display:flex;align-items:center;gap:22px;flex:0 0 auto}
.channel-list a{
  position:relative;display:inline-block;padding:11px 0;font-size:15px;font-weight:600;color:var(--body);
}
.channel-list a::after{
  content:"";position:absolute;left:0;right:0;bottom:6px;height:2px;border-radius:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform var(--t);
}
.channel-list a:hover{color:var(--brand)}
.channel-list a:hover::after,.channel-list a.active::after{transform:scaleX(1)}
.channel-list a.active{color:var(--brand)}
.channel-divider{width:1px;height:18px;background:var(--line);flex:0 0 auto}
.hot-tags{display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none}
.hot-tags::-webkit-scrollbar{display:none}
.hot-tags a{
  display:inline-block;height:26px;line-height:24px;padding:0 12px;border-radius:13px;
  background:rgba(11,93,70,.07);color:var(--brand);font-size:13px;white-space:nowrap;
  border:1px solid transparent;transition:all var(--t);
}
.hot-tags a:hover{background:#fff;border-color:var(--brand);color:var(--brand)}
.site-header.compact .topbar-inner{height:52px}
.site-header.compact .brand-mark{width:34px;height:34px;font-size:16px;border-radius:9px}
.site-header.compact .brand-sub{display:none}
.site-header.compact .channelbar{display:none}

/* ============ 移动端侧滑 ============ */
.off-canvas{background:var(--dark)}
.oc-head{padding:22px 20px 18px;border-bottom:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;align-items:center}
.oc-head strong{color:#fff;font-size:16px}
.oc-close{width:34px;height:34px;border-radius:9px;border:1px solid rgba(255,255,255,.2);background:transparent;color:#fff;cursor:pointer}
.oc-nav{padding:10px 0}
.oc-nav a{display:block;padding:0 20px;height:48px;line-height:48px;color:#C9D6D0;font-size:15px;border-left:3px solid transparent}
.oc-nav a:hover,.oc-nav a.active{color:#fff;background:rgba(255,255,255,.05);border-left-color:var(--accent)}
.oc-tags{padding:16px 20px 30px;display:flex;flex-wrap:wrap;gap:8px}
.oc-tags a{font-size:13px;color:#9FB3AB;border:1px solid rgba(255,255,255,.16);border-radius:12px;padding:3px 10px}
.oc-tags a:hover{color:#fff;border-color:var(--accent)}
.off-canvas-content{box-shadow:none!important}

/* ============ 栅格间距覆盖 ============ */
.grid-margin-x{margin-left:-8px;margin-right:-8px}
.grid-margin-x>.cell{width:calc(100% - 16px);margin-left:8px;margin-right:8px}
@media screen and (min-width:640px){
  .grid-margin-x{margin-left:-12px;margin-right:-12px}
  .grid-margin-x>.cell{width:calc(100% - 24px);margin-left:12px;margin-right:12px}
  .grid-margin-x>.medium-4{width:calc(33.33333% - 24px)}
  .grid-margin-x>.medium-6{width:calc(50% - 24px)}
  .grid-margin-x>.medium-8{width:calc(66.66667% - 24px)}
}
@media screen and (min-width:1024px){
  .grid-margin-x>.large-3{width:calc(25% - 24px)}
  .grid-margin-x>.large-4{width:calc(33.33333% - 24px)}
  .grid-margin-x>.large-5{width:calc(41.66667% - 24px)}
  .grid-margin-x>.large-6{width:calc(50% - 24px)}
  .grid-margin-x>.large-7{width:calc(58.33333% - 24px)}
  .grid-margin-x>.large-8{width:calc(66.66667% - 24px)}
}

/* ============ 通用板块 ============ */
.section{padding:84px 0}
.section-tight{padding:56px 0}
.section-head{margin-bottom:40px;max-width:760px}
.section-head .eyebrow{
  display:inline-block;font-size:13px;font-weight:600;color:var(--accent);letter-spacing:1px;margin-bottom:10px;
}
.section-head h2{font-size:30px;margin-bottom:12px}
.section-head p{color:var(--body);font-size:16px}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.section-head-row h2{font-size:28px;margin-bottom:8px}
.section-head-row p{color:var(--muted);font-size:15px}
.bg-white{background:#fff}
.bg-soft{background:var(--soft)}

/* ============ Hero ============ */
.hero{position:relative;padding:64px 0 76px;overflow:hidden;background:var(--bg)}
.hero::before{
  content:"";position:absolute;top:-14%;right:-8%;width:44%;height:130%;background:var(--brand);
  transform:skewX(-9deg);border-radius:28px;z-index:0;
}
.hero::after{
  content:"";position:absolute;left:-120px;bottom:-160px;width:360px;height:360px;
  border:1px solid rgba(11,93,70,.16);border-radius:50%;z-index:0;
}
.hero-inner{position:relative;z-index:1}
.hero h1{font-size:44px;margin-bottom:16px;letter-spacing:-.3px}
.hero-sub{font-size:17px;color:var(--body);margin-bottom:28px;max-width:520px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.hero-stats{display:flex;flex-wrap:wrap;gap:36px}
.hero-stats .item .num{font-size:24px;color:var(--brand);display:block;line-height:1.3}
.hero-stats .item span{font-size:13px;color:var(--muted)}
.hero-figure{position:relative}
.hero-figure .frame{
  border-radius:var(--r-img);overflow:hidden;box-shadow:var(--sh);
  background:linear-gradient(135deg,#0B5D46,#0F7A5C);aspect-ratio:4/3;
}
.hero-figure .frame img{width:100%;height:100%;object-fit:cover;mix-blend-mode:luminosity;opacity:.92}
.float-card{
  position:absolute;right:-6px;bottom:-22px;background:#fff;border:1px solid var(--line);
  border-radius:14px;box-shadow:var(--sh-hover);padding:14px 18px;min-width:196px;
}
.float-card strong{display:block;font-size:20px;color:var(--brand);font-variant-numeric:tabular-nums}
.float-card span{font-size:13px;color:var(--muted)}

/* ============ 价值主张条 ============ */
.value-strip{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.value-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.value-item{padding:30px 26px;border-right:1px solid var(--line)}
.value-item:last-child{border-right:0}
.value-item i{color:var(--brand);font-size:18px;margin-bottom:10px;display:block}
.value-item h3{font-size:16px;margin-bottom:6px}
.value-item p{font-size:14px;color:var(--muted);line-height:1.7}

/* ============ 功能分组 ============ */
.feature-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px;
  height:100%;display:flex;flex-direction:column;gap:12px;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(11,93,70,.22)}
.feature-card .ico{
  width:40px;height:40px;border-radius:10px;background:rgba(11,93,70,.08);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:17px;transition:all var(--t);
}
.feature-card:hover .ico{background:var(--brand);color:#fff}
.feature-card h3{font-size:19px}
.feature-card p{font-size:14.5px;color:var(--muted);line-height:1.75}
.feature-card .btn-link{margin-top:auto}
.feature-card-lg{background:var(--dark);border-color:var(--dark);color:#C9D6D0}
.feature-card-lg h3{color:#fff;font-size:22px}
.feature-card-lg p{color:#A9BBB4}
.feature-card-lg:hover{border-color:var(--dark)}
.feature-card-lg .ico{background:rgba(255,122,41,.18);color:var(--accent)}
.feature-card-lg:hover .ico{background:var(--accent);color:#fff}
.feature-card-lg .btn-link{color:var(--accent)}
.mini-metrics{display:flex;gap:26px;margin-top:6px;flex-wrap:wrap}
.mini-metrics div strong{display:block;font-size:22px;color:#fff;font-variant-numeric:tabular-nums}
.mini-metrics div span{font-size:12.5px;color:#8FA39B}

/* ============ 使用场景 ============ */
.scene-row{display:flex;align-items:center;gap:48px;position:relative;padding:34px 0}
.scene-row+.scene-row{border-top:1px solid var(--line)}
.scene-row.reverse{flex-direction:row-reverse}
.scene-text{flex:1 1 50%;position:relative;z-index:1}
.scene-media{flex:1 1 50%;position:relative}
.scene-media img{width:100%;border-radius:var(--r-img);box-shadow:var(--sh);aspect-ratio:16/10;object-fit:cover}
.scene-index{
  position:absolute;top:-6px;left:-4px;font-size:96px;font-weight:700;line-height:1;
  color:rgba(11,93,70,.08);z-index:0;font-variant-numeric:tabular-nums;
}
.scene-text h3{font-size:22px;margin-bottom:12px;position:relative;z-index:1}
.scene-text p{font-size:15.5px;margin-bottom:16px;position:relative;z-index:1}
.scene-list{display:grid;gap:8px;position:relative;z-index:1}
.scene-list li{display:flex;gap:10px;font-size:14.5px;color:var(--body)}
.scene-list li i{color:var(--signal);margin-top:5px;font-size:12px}

/* ============ 案例深色带 ============ */
.case-band{background:var(--dark);color:#C9D6D0;padding:76px 0}
.case-band .section-head h2{color:#fff}
.case-band .section-head p{color:#9FB3AB}
.case-labels{display:flex;gap:12px;overflow-x:auto;padding-bottom:6px;scrollbar-width:none}
.case-labels::-webkit-scrollbar{display:none}
.case-label{
  flex:0 0 auto;padding:16px 20px;border-radius:14px;border:1px solid rgba(255,255,255,.14);
  min-width:180px;background:rgba(255,255,255,.03);
}
.case-label strong{display:block;color:#fff;font-size:16px;margin-bottom:4px}
.case-label span{font-size:13px;color:#93A79F}
.case-stats{display:grid;gap:26px}
.case-stats .item strong{display:block;font-size:40px;color:var(--accent);line-height:1.1;font-variant-numeric:tabular-nums}
.case-stats .item span{font-size:14px;color:#9FB3AB}
.case-names{
  margin-top:36px;padding-top:26px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:12px;
}
.case-names span{
  font-size:13.5px;color:#B9C7C1;border:1px solid rgba(255,255,255,.14);
  border-radius:8px;padding:8px 16px;
}

/* ============ 价格 ============ */
.price-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:28px;
  height:100%;display:flex;flex-direction:column;position:relative;
  transition:transform var(--t),box-shadow var(--t);
}
.price-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.price-card.featured{border:2px solid var(--accent);transform:translateY(-8px)}
.price-card.featured:hover{transform:translateY(-12px)}
.price-card h3{font-size:18px;margin-bottom:6px}
.price-card .desc{font-size:14px;color:var(--muted);margin-bottom:18px}
.price-card .price{font-size:36px;color:var(--ink);font-variant-numeric:tabular-nums;font-weight:700;line-height:1.1}
.price-card .price small{font-size:14px;color:var(--muted);font-weight:400}
.price-card ul{margin:20px 0 24px;display:grid;gap:10px}
.price-card ul li{display:flex;gap:10px;font-size:14.5px}
.price-card ul li i{color:var(--signal);margin-top:5px;font-size:12px}
.price-card .btn{width:100%;margin-top:auto}
.price-flag{
  position:absolute;top:-13px;left:28px;background:var(--accent);color:#fff;
  font-size:12px;font-weight:600;padding:4px 12px;border-radius:6px;
}

/* ============ FAQ ============ */
.accordion{border:0;background:transparent;margin:0}
.accordion-item{border:0;background:var(--soft);border-radius:12px;margin-bottom:12px;overflow:hidden}
.accordion-title{
  border:0;padding:18px 56px 18px 20px;font-size:17px;font-weight:600;color:var(--ink);
  position:relative;background:transparent;transition:color var(--t);
}
.accordion-title:hover{color:var(--brand)}
.accordion-title::before{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  font-size:20px;font-weight:600;color:var(--brand);margin:0;line-height:1;
}
.accordion-item.is-active .accordion-title::before{content:"−"}
.accordion-content{border:0;padding:0 20px 20px;background:var(--soft);color:var(--body);font-size:15px;line-height:1.8}

/* ============ 资讯列表 ============ */
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  height:100%;display:flex;flex-direction:column;transition:transform var(--t),box-shadow var(--t);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.news-cover{display:block;aspect-ratio:16/9;background:rgba(11,93,70,.08);overflow:hidden}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform var(--t)}
.news-card:hover .news-cover img{transform:scale(1.03)}
.news-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.news-body h3{font-size:18px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-body h3 a{color:var(--ink)}
.news-body h3 a:hover{color:var(--brand)}
.news-body p{font-size:14.5px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;justify-content:space-between;margin-top:auto;font-size:13px;color:var(--muted)}
.news-meta .more{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600}
.news-meta .more i{transition:transform var(--t)}
.news-meta .more:hover i{transform:translateX(4px)}
.empty-state{
  border:1px dashed rgba(11,93,70,.3);background:var(--soft);border-radius:var(--r-card);
  padding:48px 24px;text-align:center;color:var(--muted);
}
.empty-state i{font-size:26px;color:rgba(11,93,70,.4);display:block;margin-bottom:12px}
.empty-state p{font-size:15px;margin-bottom:14px}

/* ============ CTA 带 ============ */
.cta-band{padding:0 0 84px}
.cta-inner{
  background:var(--dark);border-radius:20px;padding:40px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-inner h2{color:#fff;font-size:26px;margin-bottom:8px}
.cta-inner p{color:#9FB3AB;font-size:15px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:#B9C7C1;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.footer-brand strong{color:#fff;font-size:17px;display:block;margin-bottom:12px}
.footer-brand p{font-size:14px;line-height:1.8;color:#93A79F;margin-bottom:18px}
.qr-placeholder{
  width:96px;height:96px;border-radius:12px;border:1px dashed rgba(255,255,255,.24);
  display:flex;align-items:center;justify-content:center;color:#7E918A;font-size:12px;text-align:center;
  line-height:1.5;background:rgba(255,255,255,.03);
}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:#B9C7C1;display:inline-block;transition:all var(--t)}
.footer-col a:hover{color:#fff;transform:translateX(2px)}
.footer-bottom{
  margin-top:32px;border-top:1px solid rgba(255,255,255,.14);padding:22px 0 30px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#8FA39B;
}

/* ============ 响应式 ============ */
@media screen and (max-width:1023px){
  .hero::before{width:52%;right:-16%}
  .hero h1{font-size:36px}
  .value-grid{grid-template-columns:repeat(2,1fr)}
  .value-item:nth-child(2){border-right:0}
  .value-item:nth-child(1),.value-item:nth-child(2){border-bottom:1px solid var(--line)}
  .scene-row,.scene-row.reverse{flex-direction:column;gap:24px;align-items:flex-start}
  .scene-media,.scene-text{width:100%;flex:1 1 auto}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .price-card.featured{transform:none}
}
@media screen and (max-width:639px){
  .container{padding:0 16px}
  .section{padding:48px 0}
  .section-head h2{font-size:24px}
  .topbar-inner{height:60px}
  .brand-sub{display:none}
  .search-box{display:none}
  .menu-toggle{display:inline-flex;align-items:center;justify-content:center}
  .channelbar{display:none}
  .hero{padding:40px 0 56px}
  .hero::before{display:none}
  .hero::after{display:none}
  .hero h1{font-size:29px}
  .hero-sub{font-size:15.5px}
  .hero-stats{gap:22px}
  .hero-stats .item .num{font-size:21px}
  .float-card{position:static;margin-top:14px;box-shadow:var(--sh)}
  .value-grid{grid-template-columns:1fr}
  .value-item{border-right:0;border-bottom:1px solid var(--line);padding:22px 18px}
  .value-item:last-child{border-bottom:0}
  .scene-index{font-size:64px;top:-14px}
  .case-stats{grid-template-columns:1fr}
  .case-stats .item strong{font-size:30px}
  .cta-inner{padding:28px 22px}
  .cta-inner h2{font-size:21px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media screen and (min-width:1024px){
  .case-stats{grid-template-columns:repeat(3,1fr)}
}

/* roulang page: article */
:root{
  --brand:#0B5D46;
  --brand-700:#094D3A;
  --brand-100:#E7F2ED;
  --brand-50:#F1F7F4;
  --accent:#FF7A29;
  --accent-600:#EA6A1B;
  --signal:#10BFA4;
  --ink:#0F1512;
  --body:#3C4A45;
  --muted:#78877F;
  --line:#E2EAE5;
  --bg:#F3F6F4;
  --card:#FFFFFF;
  --dark:#0C1411;
  --r-card:16px;
  --r-img:14px;
  --r-btn:12px;
  --r-input:10px;
  --r-badge:6px;
  --shadow-sm:0 8px 24px rgba(11,93,70,.08);
  --shadow-lg:0 16px 32px rgba(11,93,70,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
  --danger:#D64545;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--body);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.75;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--accent)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--signal);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;letter-spacing:.2px;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.btn i{font-size:14px}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(255,122,41,.28)}
.btn-primary:hover{background:var(--accent-600);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,122,41,.34)}
.btn-primary:active{transform:translateY(1px)}
.btn-brand{background:var(--brand);color:#fff}
.btn-brand:hover{background:var(--brand-700);color:#fff;transform:translateY(-2px)}
.btn-brand:active{transform:translateY(1px)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--brand)}
.btn-ghost:hover{border-color:var(--brand);background:var(--brand-100);color:var(--brand);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.35);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff;transform:translateY(-2px)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--brand);
  transition:all .2s var(--ease);
}
.icon-btn:hover{border-color:var(--brand);background:var(--brand-100);color:var(--brand);transform:translateY(-1px)}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .24s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(11,93,70,.10)}
.header-inner{display:flex;align-items:center;gap:18px;height:72px;transition:height .24s var(--ease)}
.site-header.is-scrolled .header-inner{height:62px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:12px;flex-shrink:0;
  background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:700;letter-spacing:1px;
  position:relative;overflow:hidden;
}
.brand-mark::after{
  content:"";position:absolute;right:-10px;bottom:-10px;width:24px;height:24px;
  background:var(--accent);opacity:.9;transform:rotate(45deg);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-name{font-size:18px;font-weight:700;color:var(--ink);letter-spacing:.3px;white-space:nowrap}
.brand-sub{font-size:12px;color:var(--muted);letter-spacing:.2px;white-space:nowrap}
.site-header.is-scrolled .brand-sub{display:none}
.header-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.header-search{
  display:flex;align-items:center;gap:8px;height:40px;padding:0 14px;
  border:1px solid var(--line);border-radius:var(--r-input);background:var(--brand-50);
  transition:all .22s var(--ease);width:210px;
}
.header-search i{color:var(--muted);font-size:14px}
.header-search input{
  border:0;background:transparent;outline:none;width:100%;font-size:14px;color:var(--ink);
}
.header-search input::placeholder{color:#9CAAA3}
.header-search:focus-within{
  width:280px;background:#fff;border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(255,122,41,.14);
}
.menu-btn{display:none}
.channel-bar{border-top:1px solid var(--line);background:#fff}
.channel-inner{display:flex;align-items:center;gap:16px;height:44px}
.oc-nav{display:flex;align-items:center;gap:6px;flex-shrink:0}
.oc-nav a{
  position:relative;display:inline-block;padding:0 12px;line-height:44px;
  font-size:15px;color:var(--body);font-weight:500;white-space:nowrap;
}
.oc-nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:6px;height:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;
  transition:transform .22s var(--ease);
}
.oc-nav a:hover{color:var(--brand)}
.oc-nav a:hover::after{transform:scaleX(1)}
.oc-nav a.active{color:var(--brand);font-weight:600}
.oc-nav a.active::after{transform:scaleX(1)}
.channel-divider{width:1px;height:18px;background:var(--line);flex-shrink:0}
.hot-tags{display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none}
.hot-tags::-webkit-scrollbar{display:none}
.hot-tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:999px;background:var(--brand-100);color:var(--brand);
  font-size:12.5px;white-space:nowrap;transition:all .2s var(--ease);
}
.hot-tag:hover{background:#fff;border:1px solid var(--brand);color:var(--brand)}

/* ============ 移动端抽屉 ============ */
.drawer-mask{
  position:fixed;inset:0;background:rgba(12,20,17,.48);z-index:80;
  opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(84vw,340px);background:#fff;z-index:90;
  transform:translateX(102%);transition:transform .28s var(--ease);
  display:flex;flex-direction:column;padding:18px 18px 28px;overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--line)}
.drawer-head strong{font-size:16px;color:var(--ink)}
.drawer-close{width:34px;height:34px;border-radius:9px;border:1px solid var(--line);font-size:18px;line-height:1;color:var(--body)}
.drawer-nav{margin-top:12px;display:flex;flex-direction:column}
.drawer-nav a{
  display:flex;align-items:center;height:48px;font-size:15.5px;color:var(--body);
  border-bottom:1px solid var(--line);font-weight:500;
}
.drawer-nav a.active{color:var(--brand);font-weight:600;background:var(--brand-50);padding-left:10px;border-radius:8px}
.drawer-tags{margin-top:20px;display:flex;flex-wrap:wrap;gap:8px}

/* ============ 文章头部 ============ */
.article-hero{
  position:relative;background:#fff;border-bottom:1px solid var(--line);
  padding:24px 0 40px;overflow:hidden;
}
.article-hero::before{
  content:"";position:absolute;top:0;right:0;width:28%;height:100%;
  background:var(--brand);opacity:.045;
  clip-path:polygon(34% 0,100% 0,100% 100%,0 100%);
  pointer-events:none;
}
.article-hero::after{
  content:"";position:absolute;left:-60px;bottom:-90px;width:240px;height:240px;
  border:1px solid var(--line);border-radius:50%;pointer-events:none;
}
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);position:relative;z-index:1;
}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:#C3CFC9}
.breadcrumb .current{color:#8F9C95;max-width:60%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-hero-main{margin-top:20px;position:relative;z-index:1}
.hero-badges{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:14px}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-badge);
  font-size:12px;font-weight:600;letter-spacing:.4px;
}
.badge-brand{background:var(--brand-100);color:var(--brand)}
.badge-accent{background:rgba(255,122,41,.14);color:var(--accent-600)}
.badge-signal{background:rgba(16,191,164,.14);color:#0A8D7A}
.article-title{
  font-size:44px;line-height:1.26;font-weight:700;color:var(--ink);
  letter-spacing:-.2px;max-width:940px;
}
.article-lead{
  margin-top:18px;max-width:820px;font-size:16.5px;line-height:1.85;color:#4C5A54;
  background:var(--brand-50);border-left:3px solid var(--brand);
  border-radius:0 12px 12px 0;padding:16px 20px;
}
.article-meta{
  margin-top:22px;display:flex;align-items:center;gap:18px;flex-wrap:wrap;
  font-size:13.5px;color:var(--muted);
}
.meta-item{display:inline-flex;align-items:center;gap:6px}
.meta-item i{color:var(--signal);font-size:13px}
.share-group{margin-left:auto;display:flex;align-items:center;gap:10px}
.share-btn{
  display:inline-flex;align-items:center;gap:7px;height:38px;padding:0 15px;
  border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--body);
  font-size:13.5px;transition:all .2s var(--ease);
}
.share-btn:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-50);transform:translateY(-1px)}
.share-btn.is-on{border-color:var(--accent);color:var(--accent-600);background:rgba(255,122,41,.08)}

/* ============ 主体布局 ============ */
.article-layout{padding:44px 0 72px}
.article-layout.grid-margin-x{margin-left:0;margin-right:0}
.article-layout.grid-margin-x>.cell{margin-left:0;margin-right:0}
.article-main{min-width:0}
.article-side{min-width:0}
@media (min-width:1024px){
  .article-main{padding-right:26px}
  .article-side{padding-left:10px}
}

.article-shell{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:36px 40px;box-shadow:var(--shadow-sm);
}

/* ============ 正文排版 ============ */
.article-body{
  max-width:760px;margin:0 auto;font-size:16px;line-height:1.9;color:#3C4A45;
  word-break:break-word;
}
.article-body>*:first-child{margin-top:0}
.article-body h2{
  position:relative;font-size:29px;line-height:1.36;font-weight:700;color:var(--ink);
  margin:40px 0 16px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:3px;
  background:var(--brand);border-radius:2px;
}
.article-body h3{font-size:20px;font-weight:600;color:var(--ink);margin:28px 0 12px;line-height:1.5}
.article-body h4{font-size:17px;font-weight:600;color:var(--ink);margin:22px 0 10px}
.article-body p{margin:0 0 1.2em}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.35em}
.article-body ul{list-style:none;padding-left:0}
.article-body ul>li{position:relative;padding-left:22px;margin-bottom:.55em}
.article-body ul>li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:2px;
  background:var(--signal);transform:rotate(45deg);
}
.article-body ol{list-style:decimal}
.article-body ol>li{margin-bottom:.55em;padding-left:4px}
.article-body ol>li::marker{color:var(--brand);font-weight:700}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;background:var(--brand-50);
  border-left:4px solid var(--accent);border-radius:0 12px 12px 0;color:#33413B;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);margin:24px auto}
.article-body figure{margin:24px 0}
.article-body figcaption{
  margin-top:10px;font-size:13.5px;color:var(--muted);text-align:center;
}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(11,93,70,.32)}
.article-body a:hover{color:var(--accent);border-bottom-color:var(--accent)}
.article-body table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;
  border:1px solid var(--line);border-radius:12px;overflow:hidden;
}
.article-body thead th{
  background:var(--brand-50);color:var(--ink);font-weight:600;text-align:left;
  padding:12px 14px;border-bottom:1px solid var(--line);white-space:nowrap;
}
.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);color:#46534D}
.article-body tbody tr:nth-child(even){background:#FAFCFB}
.article-body tbody tr:last-child td{border-bottom:0}
.article-body hr{border:0;height:1px;background:var(--line);margin:32px 0}
.article-body code{
  background:var(--brand-50);border:1px solid var(--line);border-radius:6px;
  padding:2px 6px;font-size:14px;color:var(--brand);
}
.article-body strong{color:var(--ink);font-weight:600}

/* 空态 */
.empty-state{
  max-width:660px;margin:20px auto;text-align:center;
  border:1px dashed #C7D6CF;background:var(--brand-50);
  border-radius:var(--r-card);padding:52px 28px;
}
.empty-icon{
  width:54px;height:54px;margin:0 auto 16px;border-radius:16px;
  background:#fff;border:1px solid var(--line);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:700;
}
.empty-state h3{font-size:19px;color:var(--ink);margin-bottom:10px;font-weight:600}
.empty-state p{font-size:14.5px;color:var(--muted);margin-bottom:20px}

/* ============ 文末区 ============ */
.article-foot{margin-top:40px;padding-top:32px;border-top:1px solid var(--line)}
.tag-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:32px}
.tag-label{font-size:13px;color:var(--muted);letter-spacing:.4px}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;
  border-radius:999px;background:var(--brand-50);border:1px solid var(--line);
  color:var(--brand);font-size:13px;transition:all .2s var(--ease);
}
.tag:hover{background:var(--brand);border-color:var(--brand);color:#fff;transform:translateY(-1px)}
.adjacent{margin-bottom:34px}
.adj-card{
  display:block;height:100%;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);padding:20px 22px;transition:all .22s var(--ease);
}
.adj-card:hover{border-color:var(--brand);box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.adj-label{font-size:12px;color:var(--accent-600);font-weight:600;letter-spacing:.5px}
.adj-card strong{display:block;margin-top:8px;font-size:16.5px;color:var(--ink);font-weight:600}
.adj-card p{margin-top:6px;font-size:13.5px;color:var(--muted);line-height:1.7}
.related-title{font-size:20px;font-weight:700;color:var(--ink);margin-bottom:18px}
.related-grid .cell{margin-bottom:20px}
.rel-card{
  display:block;height:100%;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;transition:all .22s var(--ease);
}
.rel-card:hover{border-color:var(--brand);box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.rel-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--brand-100)}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.rel-card:hover .rel-thumb img{transform:scale(1.05)}
.rel-body{padding:16px 18px 20px}
.rel-body strong{display:block;font-size:15.5px;color:var(--ink);font-weight:600;line-height:1.5}
.rel-body span{display:block;margin-top:8px;font-size:13px;color:var(--muted);line-height:1.7}
.back-row{margin-top:8px;display:flex;justify-content:center}

/* ============ 侧栏 ============ */
.side-sticky{position:sticky;top:104px}
.side-box{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px 20px 22px;margin-bottom:20px;box-shadow:var(--shadow-sm);
}
.side-title{
  display:flex;align-items:center;gap:9px;
  font-size:15.5px;font-weight:700;color:var(--ink);margin-bottom:14px;
}
.side-title::before{
  content:"";width:4px;height:16px;border-radius:2px;background:var(--accent);
}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:330px;overflow-y:auto}
.toc-link{
  display:block;font-size:14px;color:#55635D;padding:8px 10px;border-radius:8px;
  border-left:2px solid transparent;line-height:1.55;
  transition:all .18s var(--ease);
}
.toc-link:hover{background:var(--brand-50);color:var(--brand);border-left-color:var(--accent)}
.toc-link.is-sub{padding-left:24px;font-size:13.5px;color:#75847D}
.toc-link.is-active{background:var(--brand-50);color:var(--brand);font-weight:600;border-left-color:var(--brand)}
.toc-empty{font-size:13px;color:var(--muted)}
.side-card{
  display:flex;gap:12px;align-items:center;padding:10px;border-radius:12px;
  border:1px solid transparent;transition:all .2s var(--ease);
}
.side-card+.side-card{margin-top:6px}
.side-card:hover{background:var(--brand-50);border-color:var(--line);transform:translateX(2px)}
.side-card img{width:64px;height:48px;object-fit:cover;border-radius:9px;flex-shrink:0;background:var(--brand-100)}
.side-card strong{display:block;font-size:14.5px;color:var(--ink);font-weight:600;line-height:1.45}
.side-card span{display:block;margin-top:3px;font-size:12.5px;color:var(--muted);line-height:1.5}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag-cloud .tag{height:28px;padding:0 12px;font-size:12.5px}

/* ============ CTA 带 ============ */
.cta-band{background:var(--dark);padding:64px 0}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.14);
  border-radius:20px;padding:36px 40px;
}
.cta-inner h2{font-size:26px;font-weight:700;color:#fff;line-height:1.4}
.cta-inner p{margin-top:10px;font-size:15px;color:#B9C7C1;max-width:640px;line-height:1.8}
.cta-actions{display:flex;gap:12px;flex-shrink:0;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:#B9C7C1;padding:64px 0 28px;border-top:1px solid rgba(255,255,255,.08)}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand strong{display:block;font-size:18px;color:#fff;font-weight:700;margin-bottom:14px}
.footer-brand p{font-size:14px;line-height:1.85;color:#B9C7C1;max-width:340px}
.qr-placeholder{
  margin-top:18px;width:118px;height:118px;border-radius:12px;
  border:1px dashed rgba(255,255,255,.28);background:rgba(255,255,255,.04);
  display:flex;align-items:center;justify-content:center;text-align:center;
  font-size:12.5px;line-height:1.6;color:#8FA39B;
}
.footer-col h4{font-size:16px;color:#fff;font-weight:600;margin-bottom:16px}
.footer-col li{margin-bottom:11px}
.footer-col a{font-size:14px;color:#B9C7C1;display:inline-block;transition:all .2s var(--ease)}
.footer-col a:hover{color:#fff;transform:translateX(2px)}
.footer-bottom{
  padding-top:22px;display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:13px;color:#8FA39B;
}

/* ============ 提示条 ============ */
.toast{
  position:fixed;left:50%;bottom:36px;transform:translate(-50%,20px);
  background:var(--dark);color:#fff;font-size:14px;padding:12px 22px;border-radius:12px;
  opacity:0;visibility:hidden;transition:all .26s var(--ease);z-index:120;
  box-shadow:0 16px 32px rgba(0,0,0,.24);
}
.toast.is-show{opacity:1;visibility:visible;transform:translate(-50%,0)}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .header-search{display:none}
  .header-right .btn-ghost{display:none}
  .menu-btn{display:inline-flex}
  .article-side{padding-left:0}
  .side-sticky{position:static}
  .article-shell{padding:28px 24px}
  .article-title{font-size:34px}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:30px 26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .brand-name{font-size:16px}
  .brand-sub{display:none}
  .header-right .btn-brand{height:38px;padding:0 14px;font-size:13.5px}
  .article-title{font-size:29px}
  .article-lead{font-size:15.5px;padding:14px 16px}
  .article-shell{padding:22px 18px}
  .article-body{font-size:15.5px}
  .article-body h2{font-size:23px;margin-top:32px}
  .article-body h3{font-size:18.5px}
  .article-body img{border-radius:12px}
  .share-group{margin-left:0;width:100%}
  .cta-band{padding:48px 0}
  .cta-inner h2{font-size:21px}
  .related-grid .cell{margin-bottom:16px}
}
@media (max-width:519px){
  .article-title{font-size:26px}
  .article-meta{gap:12px;font-size:13px}
  .oc-nav a{padding:0 10px;font-size:14.5px}
  .adj-card{padding:16px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category1 */
:root{
  --brand:#0B5D46;
  --brand-dark:#08432F;
  --accent:#FF7A29;
  --signal:#10BFA4;
  --ink:#0F1512;
  --body:#3C4A45;
  --muted:#6B7B74;
  --line:#E2EAE5;
  --bg:#F3F6F4;
  --card:#FFFFFF;
  --dark:#0C1411;
  --soft:#F7FAF8;
  --danger:#D64545;
  --r-card:16px;
  --r-img:14px;
  --r-btn:12px;
  --r-input:10px;
  --r-badge:6px;
  --shadow:0 8px 24px rgba(11,93,70,.08);
  --shadow-hover:0 16px 32px rgba(11,93,70,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--body);
  background:var(--bg);
}
body.no-scroll{overflow:hidden}
img{max-width:100%;height:auto;display:block}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.28}
p{margin:0 0 16px}
a{color:var(--brand);text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:var(--brand-dark)}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--signal);outline-offset:2px}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;width:100%}
@media screen and (max-width:639px){.container{padding:0 16px}}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .22s var(--ease)}
.site-header.compact{box-shadow:0 6px 18px rgba(11,93,70,.10)}
.topbar{height:72px;transition:height .22s var(--ease)}
.site-header.compact .topbar{height:60px}
.topbar-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:14px;min-width:0}
.brand-mark{font-size:20px;font-weight:800;color:var(--brand);letter-spacing:.4px;white-space:nowrap}
.brand-sub{font-size:13px;color:var(--muted);padding-left:14px;border-left:1px solid var(--line);white-space:nowrap}
.topbar-actions{display:flex;align-items:center;gap:12px}
.search-toggle{width:42px;height:42px;border-radius:var(--r-input);border:1px solid var(--line);background:#fff;color:var(--brand);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;transition:all .22s var(--ease)}
.search-toggle:hover{background:var(--soft);border-color:#CFE0D8;transform:translateY(-1px)}
.search-form{display:none;align-items:center;gap:8px}
.search-form.open{display:flex}
.search-form input{height:42px;width:280px;border:1px solid var(--line);border-radius:var(--r-input);padding:0 14px;font-size:14.5px;color:var(--ink);background:#fff;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.search-form input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(255,122,41,.16);outline:none}
.search-form button{height:42px;padding:0 16px;border-radius:var(--r-input);border:none;background:var(--brand);color:#fff;font-size:14.5px;font-weight:600;cursor:pointer;transition:background .22s var(--ease)}
.search-form button:hover{background:var(--brand-dark)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 20px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:all .22s var(--ease);white-space:nowrap}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:#F06A17;color:#fff;transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,122,41,.24)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.btn:active{transform:translateY(1px)}
.menu-toggle{display:none;width:42px;height:42px;border-radius:var(--r-input);border:1px solid var(--line);background:#fff;color:var(--brand);font-size:18px;cursor:pointer;align-items:center;justify-content:center}
.channelbar{height:44px;overflow:hidden;border-top:1px solid var(--line);background:#fff;transition:height .22s var(--ease),opacity .22s var(--ease)}
.site-header.compact .channelbar{height:0;opacity:0}
.channelbar-inner{height:44px;display:flex;align-items:center;gap:20px;overflow-x:auto;scrollbar-width:none}
.channelbar-inner::-webkit-scrollbar{display:none}
.oc-nav{display:flex;align-items:center;gap:24px;flex:0 0 auto}
.oc-nav a{position:relative;display:inline-flex;align-items:center;height:44px;font-size:15px;color:var(--body);white-space:nowrap}
.oc-nav a::after{content:"";position:absolute;left:0;right:0;bottom:8px;height:2px;background:var(--accent);border-radius:2px;transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease)}
.oc-nav a:hover{color:var(--brand)}
.oc-nav a:hover::after{transform:scaleX(1)}
.oc-nav a.active{color:var(--brand);font-weight:600}
.oc-nav a.active::after{transform:scaleX(1)}
.channel-divider{width:1px;height:18px;background:var(--line);flex:0 0 auto}
.hotwords{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.hotwords a{height:26px;display:inline-flex;align-items:center;padding:0 12px;border-radius:999px;background:#E9F2EE;color:var(--brand);font-size:12.5px;border:1px solid transparent;white-space:nowrap;transition:all .2s var(--ease)}
.hotwords a:hover{background:#fff;border-color:var(--brand);color:var(--brand)}
@media screen and (max-width:639px){
  .brand-mark{font-size:17px}
  .brand-sub{display:none}
  .topbar{height:64px}
  .site-header.compact .topbar{height:56px}
}
@media screen and (max-width:1023px){
  .menu-toggle{display:inline-flex}
  .search-form input{width:200px}
  .hotwords{display:none}
}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(12,20,17,.5);opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s;z-index:80}
.drawer-mask.open{opacity:1;visibility:visible}
.mobile-drawer{position:fixed;top:0;left:0;bottom:0;width:300px;max-width:84vw;background:#fff;z-index:90;transform:translateX(-102%);transition:transform .28s var(--ease);display:flex;flex-direction:column;box-shadow:0 0 40px rgba(0,0,0,.18)}
.mobile-drawer.open{transform:translateX(0)}
.drawer-head{height:64px;display:flex;align-items:center;justify-content:space-between;padding:0 18px;border-bottom:1px solid var(--line)}
.drawer-head span{font-weight:700;color:var(--brand);font-size:16px}
.drawer-close{width:36px;height:36px;border:1px solid var(--line);background:#fff;border-radius:10px;font-size:18px;color:var(--body);cursor:pointer}
.drawer-nav{display:flex;flex-direction:column;padding:10px 0}
.drawer-nav a{height:48px;display:flex;align-items:center;padding:0 20px;font-size:15.5px;color:var(--body);border-left:3px solid transparent}
.drawer-nav a.active{color:var(--brand);font-weight:600;border-left-color:var(--accent);background:var(--soft)}
.drawer-hot{padding:16px 20px;display:flex;flex-wrap:wrap;gap:8px;border-top:1px solid var(--line);margin-top:auto}
.drawer-hot a{height:28px;display:inline-flex;align-items:center;padding:0 12px;border-radius:999px;background:#E9F2EE;color:var(--brand);font-size:12.5px}

/* ---------- Hero ---------- */
.page-hero{position:relative;overflow:hidden;background:#EDF3F0;padding:64px 0 72px}
.page-hero::after{content:"";position:absolute;top:-90px;right:-50px;width:460px;height:320px;background:var(--brand);opacity:.07;transform:skewX(-18deg);border-radius:28px;pointer-events:none}
.eyebrow{display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 12px;border-radius:var(--r-badge);background:#fff;border:1px solid var(--line);color:var(--brand);font-size:12.5px;font-weight:600;margin-bottom:18px}
.page-hero h1{font-size:44px;letter-spacing:-.2px;margin-bottom:16px}
.hero-lead{font-size:17px;line-height:1.8;color:var(--body);max-width:640px}
.anchor-bar{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.anchor-bar a{height:38px;display:inline-flex;align-items:center;padding:0 16px;border-radius:999px;background:#fff;border:1px solid var(--line);color:var(--ink);font-size:14px;transition:all .22s var(--ease)}
.anchor-bar a:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow)}
.hero-figure{margin:0;border-radius:var(--r-img);overflow:hidden;box-shadow:var(--shadow);background:#DDE9E4}
.hero-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
@media screen and (max-width:1023px){
  .page-hero{padding:48px 0 56px}
  .page-hero h1{font-size:34px}
  .hero-lead{font-size:16px}
  .hero-figure{margin-top:32px}
}
@media screen and (max-width:639px){
  .page-hero{padding:36px 0 44px}
  .page-hero h1{font-size:28px;line-height:1.3}
}

/* ---------- 通用板块 ---------- */
.section{padding:80px 0;scroll-margin-top:130px}
.section-white{background:#fff}
.section-soft{background:var(--soft)}
.section-head{max-width:720px;margin-bottom:40px}
.section-kicker{display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:1px;color:var(--accent);text-transform:uppercase;margin-bottom:10px}
.section-head h2{font-size:30px;margin-bottom:14px}
.section-sub{font-size:16px;color:var(--muted);margin:0}
@media screen and (max-width:1023px){
  .section{padding:56px 0;scroll-margin-top:100px}
  .section-head h2{font-size:25px}
  .section-head{margin-bottom:28px}
}
@media screen and (max-width:639px){
  .section{padding:44px 0}
  .section-head h2{font-size:22px}
}

/* ---------- 侧栏目录 ---------- */
.layout-wrap{padding:72px 0 0}
.toc-card{position:sticky;top:132px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:22px;box-shadow:var(--shadow)}
.toc-title{font-size:13px;font-weight:700;color:var(--muted);letter-spacing:1px;margin-bottom:14px}
.toc-list{display:flex;flex-direction:column}
.toc-list a{display:block;padding:9px 0 9px 14px;font-size:14.5px;color:var(--body);border-left:2px solid var(--line);transition:all .2s var(--ease)}
.toc-list a:hover{color:var(--brand);border-left-color:var(--accent);padding-left:18px}
.toc-note{margin-top:18px;padding-top:16px;border-top:1px solid var(--line);font-size:13px;color:var(--muted);line-height:1.7}
.toc-details{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:6px 18px;margin-bottom:26px}
.toc-details summary{cursor:pointer;font-size:15px;font-weight:600;color:var(--brand);padding:12px 0;list-style:none}
.toc-details summary::-webkit-details-marker{display:none}
.toc-details summary::after{content:"\f107";font-family:"Font Awesome 6 Free";font-weight:900;float:right;color:var(--accent);transition:transform .2s var(--ease)}
.toc-details[open] summary::after{transform:rotate(180deg)}
.toc-details-body{display:flex;flex-direction:column;padding-bottom:12px}
.toc-details-body a{padding:10px 0;border-top:1px solid var(--line);font-size:14.5px;color:var(--body)}
@media screen and (min-width:1024px){.toc-details{display:none}}
@media screen and (max-width:1023px){.toc-card{display:none}}

/* ---------- 内容块 ---------- */
.content-block{margin-bottom:64px;scroll-margin-top:130px}
.content-block:last-child{margin-bottom:0}
.block-head{margin-bottom:28px}
.block-head h2{font-size:28px;margin-bottom:12px}
.block-head p{font-size:16px;color:var(--muted);margin:0;max-width:700px}
@media screen and (max-width:1023px){
  .content-block{margin-bottom:48px;scroll-margin-top:96px}
  .block-head h2{font-size:23px}
}

/* 功能卡 */
.feature-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;height:100%;transition:all .22s var(--ease)}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.feature-icon{width:40px;height:40px;border-radius:10px;background:#E9F2EE;color:var(--brand);display:inline-flex;align-items:center;justify-content:center;font-size:17px;margin-bottom:16px;transition:all .22s var(--ease)}
.feature-card:hover .feature-icon{background:var(--brand);color:#fff}
.feature-card h3{font-size:19px;margin-bottom:10px}
.feature-card p{font-size:14.5px;color:var(--body);margin:0;line-height:1.75}
.card-gap{margin-bottom:24px}

/* 安全清单 */
.check-list{display:flex;flex-direction:column;gap:14px}
.check-list li{display:flex;gap:18px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:20px 22px;transition:all .22s var(--ease)}
.check-list li:hover{transform:translateX(4px);box-shadow:var(--shadow);border-color:#CFE0D8}
.check-list .num{font-size:15px;font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums;flex:0 0 34px;padding-top:2px}
.check-list strong{display:block;color:var(--ink);font-size:16px;margin-bottom:4px}
.check-list p{margin:0;font-size:14.5px;color:var(--muted)}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-size:14.5px;font-weight:600;color:var(--brand);position:relative;padding-bottom:2px}
.link-arrow i{transition:transform .22s var(--ease)}
.link-arrow:hover i{transform:translateX(4px)}
.link-arrow::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--accent);transition:width .22s var(--ease)}
.link-arrow:hover::after{width:100%}

/* 图文流程 */
.media-figure{margin:0;border-radius:var(--r-img);overflow:hidden;box-shadow:var(--shadow);background:#DDE9E4}
.media-figure img{width:100%;aspect-ratio:16/11;object-fit:cover}
.step-list{display:flex;flex-direction:column;gap:18px;counter-reset:step}
.step-list li{position:relative;padding-left:52px}
.step-list li::before{counter-increment:step;content:counter(step,decimal-leading-zero);position:absolute;left:0;top:0;width:36px;height:36px;border-radius:10px;background:#E9F2EE;color:var(--brand);font-size:14px;font-weight:700;display:flex;align-items:center;justify-content:center;font-variant-numeric:tabular-nums}
.step-list b{display:block;color:var(--ink);font-size:16px;margin-bottom:4px}
.step-list p{margin:0;font-size:14.5px;color:var(--muted)}

/* 数据条 */
.stat-band{background:var(--dark);padding:56px 0;margin-top:8px}
.stat-band .stat{text-align:center;padding:10px 6px}
.stat-band .stat b{display:block;font-size:40px;font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums;line-height:1.1}
.stat-band .stat:nth-child(even) b{color:var(--signal)}
.stat-band .stat span{display:block;margin-top:8px;font-size:13.5px;color:#B9C7C1}
@media screen and (max-width:639px){
  .stat-band{padding:40px 0}
  .stat-band .stat b{font-size:30px}
}

/* 异常自查 */
.trouble-list{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden}
.trouble-row{display:flex;gap:24px;padding:22px 26px;border-bottom:1px solid var(--line);transition:background .2s var(--ease)}
.trouble-row:last-child{border-bottom:0}
.trouble-row:hover{background:var(--soft)}
.trouble-label{flex:0 0 170px;font-weight:700;color:var(--ink);font-size:15.5px;position:relative;padding-left:16px}
.trouble-label::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:2px;background:var(--accent)}
.trouble-row p{margin:0;font-size:14.5px;color:var(--body)}
@media screen and (max-width:639px){
  .trouble-row{flex-direction:column;gap:8px;padding:18px 20px}
  .trouble-label{flex:none}
}

/* FAQ */
.faq-accordion{border:0;background:transparent}
.faq-accordion .accordion-item{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden}
.faq-accordion .accordion-title{border:0;padding:18px 22px;font-size:17px;font-weight:600;color:var(--ink);background:#fff;transition:all .2s var(--ease)}
.faq-accordion .accordion-title:hover{background:var(--soft);color:var(--brand)}
.faq-accordion .accordion-title::before{color:var(--accent);font-weight:700;font-size:20px;line-height:1;margin-right:12px}
.faq-accordion .is-active>.accordion-title{color:var(--brand)}
.faq-accordion .is-active>.accordion-title::before{color:var(--brand)}
.faq-accordion .accordion-content{border:0;background:var(--soft);padding:20px 22px;color:var(--body);font-size:14.5px;line-height:1.8}
.faq-accordion .accordion-content p:last-child{margin-bottom:0}

/* CTA */
.cta-wrap{padding:0 0 88px}
.cta-band{background:var(--dark);border-radius:20px;padding:40px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.cta-band h2{color:#fff;font-size:26px;margin-bottom:8px}
.cta-band p{color:#B9C7C1;margin:0;font-size:14.5px;max-width:560px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
@media screen and (max-width:639px){
  .cta-wrap{padding-bottom:56px}
  .cta-band{padding:28px 22px;border-radius:16px}
  .cta-band h2{font-size:21px}
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#B9C7C1;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:36px}
.footer-brand strong{display:block;color:#fff;font-size:18px;margin-bottom:14px}
.footer-brand p{font-size:14px;line-height:1.8;margin-bottom:18px;max-width:340px}
.qr-placeholder{width:104px;height:104px;border:1px dashed rgba(255,255,255,.28);border-radius:12px;display:flex;align-items:center;justify-content:center;text-align:center;font-size:12.5px;color:#8FA39B;line-height:1.6}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:#B9C7C1;transition:all .2s var(--ease);display:inline-block}
.footer-col a:hover{color:#fff;transform:translateX(2px)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:32px;padding:20px 0;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13.5px;color:#8FA39B}
@media screen and (max-width:1023px){
  .site-footer{padding-top:48px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media screen and (max-width:639px){
  .footer-grid{grid-template-columns:1fr}
}

/* roulang page: category2 */
:root{
  --brand:#0B5D46;
  --brand-dark:#08432F;
  --accent:#FF7A29;
  --signal:#10BFA4;
  --ink:#0F1512;
  --body:#3C4A45;
  --muted:#6C7C75;
  --line:#E2EAE5;
  --bg:#F3F6F4;
  --card:#FFFFFF;
  --dark:#0C1411;
  --soft:#EAF3EF;
  --radius-card:16px;
  --radius-img:14px;
  --radius-btn:12px;
  --radius-input:10px;
  --radius-badge:6px;
  --shadow:0 8px 24px rgba(11,93,70,.08);
  --shadow-hover:0 16px 32px rgba(11,93,70,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--body);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand);text-decoration:none;transition:color .22s var(--ease);}
a:hover,a:focus{color:var(--accent);}
button{font-family:inherit;font-size:inherit;cursor:pointer;}
ul,ol{margin:0;padding:0;}
figure{margin:0;}
p{margin:0 0 16px;}
p:last-child{margin-bottom:0;}
h1,h2,h3,h4{color:var(--ink);line-height:1.3;margin:0;font-weight:700;letter-spacing:0;}
h1{font-size:44px;margin-bottom:16px;line-height:1.25;}
h2{font-size:30px;}
h3{font-size:21px;font-weight:600;}
h4{font-size:17px;font-weight:600;}
:focus-visible{outline:2px solid var(--signal);outline-offset:2px;border-radius:4px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:1.4px;color:var(--brand);text-transform:uppercase;}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;border:1px solid transparent;background:transparent;color:var(--brand);transition:transform .2s var(--ease),box-shadow .22s var(--ease),background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);white-space:nowrap;}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(255,122,41,.26);}
.btn-primary:hover,.btn-primary:focus{background:#FF8A45;color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(255,122,41,.32);}
.btn-primary:active{transform:translateY(-1px);box-shadow:0 6px 14px rgba(255,122,41,.26);}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--line);}
.btn-ghost:hover,.btn-ghost:focus{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow);}
.btn-outline-light{background:rgba(255,255,255,.06);color:#fff;border-color:rgba(255,255,255,.34);}
.btn-outline-light:hover,.btn-outline-light:focus{background:#fff;color:var(--brand);border-color:#fff;transform:translateY(-2px);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.chip{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--radius-badge);background:var(--soft);color:var(--brand);font-size:13px;border:1px solid transparent;transition:all .22s var(--ease);white-space:nowrap;}
.chip:hover,.chip:focus{background:#fff;border-color:var(--line);color:var(--brand);}

/* ---------- 顶部导航 ---------- */
.oc-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .22s var(--ease);}
.oc-header.is-compact{box-shadow:0 4px 16px rgba(11,93,70,.10);}
.oc-topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;transition:height .22s var(--ease);}
.oc-header.is-compact .oc-topbar-inner{height:60px;}
.oc-brand{display:flex;align-items:center;gap:12px;}
.oc-brand:hover{color:var(--brand);}
.oc-brand-mark{width:40px;height:40px;border-radius:12px;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-size:17px;flex:0 0 40px;}
.oc-brand-text strong{display:block;font-size:19px;font-weight:700;color:var(--ink);line-height:1.25;letter-spacing:.2px;}
.oc-brand-text em{display:block;font-style:normal;font-size:12px;color:#8494 8D;color:#84948D;letter-spacing:.4px;}
.oc-actions{display:flex;align-items:center;gap:14px;}
.oc-search{position:relative;display:flex;align-items:center;}
.oc-search-toggle{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--brand);display:flex;align-items:center;justify-content:center;transition:all .22s var(--ease);}
.oc-search-toggle:hover{border-color:var(--brand);background:var(--soft);}
.oc-search-form{position:absolute;right:0;top:50%;transform:translateY(-50%) scaleX(.6);transform-origin:right center;opacity:0;pointer-events:none;display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-input);padding:5px 5px 5px 14px;box-shadow:var(--shadow);width:320px;transition:all .22s var(--ease);}
.oc-search.is-open .oc-search-form{opacity:1;transform:translateY(-50%) scaleX(1);pointer-events:auto;}
.oc-search-form input{flex:1;border:0;height:34px;font-size:14px;color:var(--ink);background:transparent;outline:none;}
.oc-search-form input::placeholder{color:#9AAAA3;}
.oc-search-submit{height:34px;padding:0 14px;border:0;border-radius:8px;background:var(--brand);color:#fff;font-size:14px;font-weight:600;transition:background .22s var(--ease);}
.oc-search-submit:hover{background:var(--brand-dark);}
.oc-burger{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;flex-direction:column;align-items:center;justify-content:center;gap:4px;}
.oc-burger span{display:block;width:18px;height:2px;background:var(--brand);border-radius:2px;transition:all .22s var(--ease);}
.oc-channelbar{border-top:1px solid var(--line);background:#fff;overflow:hidden;transition:max-height .24s var(--ease),opacity .2s var(--ease);max-height:60px;opacity:1;}
.oc-header.is-compact .oc-channelbar{max-height:0;opacity:0;border-top-color:transparent;}
.oc-channelbar-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:44px;}
.oc-nav{display:flex;align-items:center;gap:28px;}
.oc-nav a{position:relative;font-size:15px;font-weight:500;color:var(--body);padding:12px 0;white-space:nowrap;}
.oc-nav a::after{content:"";position:absolute;left:0;right:0;bottom:6px;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:left center;transition:transform .22s var(--ease);}
.oc-nav a:hover,.oc-nav a:focus{color:var(--brand);}
.oc-nav a:hover::after,.oc-nav a.active::after{transform:scaleX(1);}
.oc-nav a.active{color:var(--brand);font-weight:700;}
.oc-hotwords{display:flex;align-items:center;gap:8px;min-width:0;}
.oc-hotwords-label{font-size:12px;color:#93A29B;flex:0 0 auto;}
.oc-hotword-list{display:flex;align-items:center;gap:8px;overflow:hidden;}

/* ---------- 移动抽屉 ---------- */
.oc-drawer{position:fixed;top:0;left:0;bottom:0;width:300px;max-width:86vw;background:#fff;z-index:90;transform:translateX(-102%);transition:transform .26s var(--ease);padding:20px;overflow-y:auto;box-shadow:12px 0 40px rgba(11,93,70,.16);}
.oc-drawer.is-open{transform:translateX(0);}
.oc-drawer-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--line);}
.oc-drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--brand);display:flex;align-items:center;justify-content:center;}
.oc-drawer-close:hover{background:var(--soft);}
.oc-drawer-nav{display:grid;gap:4px;padding:16px 0;}
.oc-drawer-nav a{height:48px;display:flex;align-items:center;padding:0 12px;border-radius:10px;font-size:15px;color:var(--body);font-weight:500;}
.oc-drawer-nav a:hover{background:var(--soft);color:var(--brand);}
.oc-drawer-nav a.active{background:var(--soft);color:var(--brand);font-weight:700;}
.oc-drawer-hot{padding:16px 0;border-top:1px solid var(--line);}
.oc-drawer-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}
.oc-drawer .btn{width:100%;margin-top:8px;}
.oc-overlay{position:fixed;inset:0;background:rgba(12,20,17,.45);opacity:0;pointer-events:none;transition:opacity .24s var(--ease);z-index:80;}
.oc-overlay.is-open{opacity:1;pointer-events:auto;}
body.oc-lock{overflow:hidden;}

/* ---------- Hero ---------- */
.hero-narrow{position:relative;background:var(--brand);color:#fff;overflow:hidden;}
.hero-media{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center 20%;}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(104deg,rgba(11,93,70,.96) 10%,rgba(11,93,70,.86) 52%,rgba(12,20,17,.72) 100%);}
.hero-inner{position:relative;z-index:2;padding:52px 0 56px;max-width:860px;}
.crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:rgba(255,255,255,.66);margin-bottom:20px;}
.crumb a{color:rgba(255,255,255,.86);}
.crumb a:hover{color:#fff;}
.crumb-current{color:rgba(255,255,255,.58);}
.hero-narrow .eyebrow{color:#FFBE8C;}
.hero-narrow h1{color:#fff;font-size:42px;margin:12px 0 16px;}
.hero-sub{font-size:16.5px;color:rgba(255,255,255,.84);max-width:700px;margin:0;}
.anchor-bar{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px;}
.anchor-bar a{display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 16px;border-radius:10px;border:1px solid rgba(255,255,255,.3);color:#fff;font-size:14px;background:rgba(255,255,255,.06);transition:all .22s var(--ease);}
.anchor-bar a:hover,.anchor-bar a:focus{background:#fff;color:var(--brand);border-color:#fff;transform:translateY(-2px);}
.anchor-bar i{font-size:13px;}

/* ---------- 板块 ---------- */
.section{padding:84px 0;}
.section-alt{background:#fff;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:40px;}
.section-head h2{margin:10px 0 0;}
.section-desc{max-width:430px;font-size:15px;color:var(--muted);margin:0;}
.panel-grid{margin-bottom:-24px;}
.panel-grid > .cell{margin-bottom:24px;}

/* ---------- 功能大卡 ---------- */
.feature-card{height:100%;display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);padding:28px;box-shadow:var(--shadow);transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#CFE0D8;}
.feature-icon{width:44px;height:44px;border-radius:12px;background:var(--soft);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:18px;transition:background-color .22s var(--ease),color .22s var(--ease);}
.feature-card:hover .feature-icon{background:var(--brand);color:#fff;}
.feature-card h3{font-size:21px;margin:18px 0 10px;}
.feature-card > p{font-size:15.5px;color:var(--body);margin-bottom:18px;}
.feature-list{list-style:none;display:grid;gap:10px;margin:0 0 22px;}
.feature-list li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:#4A5A53;}
.feature-list li i{color:var(--signal);font-size:12px;margin-top:6px;flex:0 0 auto;}
.link-arrow{margin-top:auto;display:inline-flex;align-items:center;gap:8px;font-size:14.5px;font-weight:600;color:var(--brand);position:relative;width:fit-content;}
.link-arrow::after{content:"";position:absolute;left:0;bottom:-4px;height:2px;width:100%;background:var(--accent);transform:scaleX(0);transform-origin:left center;transition:transform .22s var(--ease);}
.link-arrow:hover::after,.link-arrow:focus::after{transform:scaleX(1);}
.link-arrow:hover,.link-arrow:focus{color:var(--brand);}
.link-arrow i{transition:transform .22s var(--ease);}
.link-arrow:hover i{transform:translateX(4px);}

/* ---------- 流程 ---------- */
.flow-figure{border-radius:var(--radius-img);overflow:hidden;box-shadow:var(--shadow);}
.flow-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.step-list{list-style:none;display:grid;gap:14px;margin:26px 0 0;}
.step-list li{display:flex;gap:16px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 20px;transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);}
.step-list li:hover{transform:translateX(4px);border-color:#CFE0D8;box-shadow:var(--shadow);}
.step-num{flex:0 0 32px;width:32px;height:32px;border-radius:50%;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;}
.step-list strong{display:block;font-size:16px;color:var(--ink);margin-bottom:2px;}
.step-list span{font-size:14.5px;color:var(--body);}

/* ---------- 数据条 ---------- */
.stat-band{background:var(--dark);padding:64px 0;}
.stat-grid > .cell{margin-bottom:0;}
.stat-item{border-left:2px solid rgba(255,255,255,.16);padding-left:20px;}
.stat-item strong{display:block;font-size:38px;font-weight:700;color:#fff;line-height:1.1;font-variant-numeric:tabular-nums;letter-spacing:-.5px;}
.stat-item strong em{font-style:normal;font-size:20px;color:var(--accent);margin-left:2px;}
.stat-item span{display:block;margin-top:10px;font-size:14px;color:#B9C7C1;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:920px;margin:0 auto;}
.faq-accordion{list-style:none;margin:0;}
.faq-accordion .accordion-item{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;margin-bottom:12px;transition:border-color .22s var(--ease),box-shadow .22s var(--ease);}
.faq-accordion .accordion-item:hover{border-color:#CFE0D8;}
.faq-accordion .accordion-item.is-active{box-shadow:var(--shadow);}
.faq-accordion .accordion-title{display:block;position:relative;border:0;background:transparent;color:var(--ink);font-size:17px;font-weight:600;padding:20px 56px 20px 22px;transition:color .22s var(--ease);}
.faq-accordion .accordion-title:hover,.faq-accordion .accordion-title:focus{color:var(--brand);}
.faq-accordion .accordion-title::before{content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);font-size:22px;line-height:1;color:var(--brand);font-weight:400;}
.faq-accordion .accordion-item.is-active .accordion-title::before{content:"−";}
.faq-accordion .accordion-content{border:0;background:#F7FAF8;padding:0 22px 22px;color:var(--body);font-size:15px;line-height:1.85;}

/* ---------- CTA ---------- */
.cta-band{padding:0 0 84px;}
.cta-inner{position:relative;overflow:hidden;background:var(--dark);border-radius:20px;padding:40px;display:flex;align-items:center;justify-content:space-between;gap:32px;}
.cta-inner::after{content:"";position:absolute;right:-70px;top:-80px;width:240px;height:240px;border:1px solid rgba(255,255,255,.12);border-radius:50%;}
.cta-inner::before{content:"";position:absolute;right:40px;bottom:-90px;width:160px;height:160px;border:1px solid rgba(255,255,255,.08);border-radius:50%;}
.cta-text{position:relative;z-index:1;}
.cta-text h2{color:#fff;font-size:26px;margin-bottom:8px;}
.cta-text p{color:#B9C7C1;font-size:15px;margin:0;}
.cta-actions{position:relative;z-index:1;display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#B9C7C1;padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px;}
.footer-brand strong{display:block;color:#fff;font-size:18px;margin-bottom:14px;font-weight:700;}
.footer-brand p{font-size:14px;line-height:1.85;color:#9FB0A9;margin:0 0 20px;}
.qr-placeholder{width:124px;height:124px;border:1px dashed rgba(255,255,255,.24);border-radius:12px;display:flex;align-items:center;justify-content:center;text-align:center;font-size:13px;line-height:1.6;color:#8FA09A;}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:16px;}
.footer-col ul{list-style:none;display:grid;gap:10px;}
.footer-col a{display:inline-block;font-size:14px;color:#B9C7C1;transition:color .2s var(--ease),transform .2s var(--ease);}
.footer-col a:hover,.footer-col a:focus{color:#fff;transform:translateX(2px);}
.footer-bottom{margin-top:32px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:13px;color:#8FA09A;}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .container{padding:0 20px;}
  h1{font-size:36px;}
  .hero-narrow h1{font-size:34px;}
  .section{padding:64px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:32px;}
  .section-desc{max-width:none;}
  .stat-item strong{font-size:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .oc-channelbar-inner{overflow-x:auto;scrollbar-width:none;}
  .oc-channelbar-inner::-webkit-scrollbar{display:none;}
  .oc-hotwords{flex:0 0 auto;}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:32px;}
  .cta-inner::before,.cta-inner::after{opacity:.6;}
}
@media (max-width:639px){
  .container{padding:0 16px;}
  body{font-size:15.5px;}
  h1{font-size:28px;}
  .hero-narrow h1{font-size:28px;}
  .hero-inner{padding:36px 0 42px;}
  .hero-sub{font-size:15.5px;}
  .anchor-bar{gap:8px;margin-top:22px;}
  .anchor-bar a{height:36px;padding:0 13px;font-size:13px;}
  h2{font-size:24px;}
  .section{padding:52px 0;}
  .oc-channelbar{display:none;max-height:0;}
  .oc-search{display:none;}
  .oc-burger{display:flex;}
  .oc-topbar-inner{height:64px;}
  .oc-brand-text strong{font-size:17px;}
  .oc-brand-text em{font-size:11px;}
  .oc-actions .btn{display:none;}
  .feature-card{padding:22px;}
  .feature-card h3{font-size:19px;}
  .step-list li{padding:16px;}
  .stat-band{padding:48px 0;}
  .stat-item{border-left:0;border-top:2px solid rgba(255,255,255,.16);padding:16px 0 0;}
  .stat-item strong{font-size:30px;}
  .stat-grid > .cell{margin-bottom:26px;}
  .stat-grid > .cell:last-child{margin-bottom:0;}
  .faq-accordion .accordion-title{font-size:16px;padding:18px 48px 18px 18px;}
  .faq-accordion .accordion-title::before{right:18px;}
  .faq-accordion .accordion-content{padding:0 18px 18px;}
  .cta-band{padding:0 0 52px;}
  .cta-text h2{font-size:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1;}
  .site-footer{padding:48px 0 24px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
}