/* roulang page: index */
:root{
  --green:#16483F;
  --green-dark:#0E3A33;
  --ochre:#C86B3C;
  --ochre-soft:#F3E3D8;
  --paper:#F6F3EC;
  --surface:#FFFFFF;
  --surface-2:#EDE7DA;
  --line:#DCD5C7;
  --ink:#1C2422;
  --muted:#5A6561;
  --ok:#2F7D63;
  --warn:#B4894A;
  --topbar:#1B2A2C;
  --r-sm:6px;
  --r-md:10px;
  --r-lg:16px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(28,36,34,.06),0 2px 8px rgba(28,36,34,.05);
  --sh-2:0 6px 24px rgba(28,36,34,.10);
  --font-sans:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --font-mono:ui-monospace,"SFMono-Regular","DIN Alternate","Roboto Mono",Menlo,Consolas,monospace;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  color:var(--ink);
  background:var(--paper);
}
img{max-width:100%;display:block;}
a{color:var(--green);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--ochre);text-decoration:underline;text-underline-offset:3px;}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer;}
input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;line-height:1.35;font-weight:700;}
h1{font-size:clamp(30px,3.2vw,44px);line-height:1.3;}
h2{font-size:clamp(24px,2.2vw,32px);}
h3{font-size:20px;line-height:1.5;font-weight:600;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;}
.muted{color:var(--muted);}
.small{font-size:13px;line-height:1.6;color:var(--muted);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 28px;border-radius:8px;font-weight:600;font-size:15px;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
  cursor:pointer;
}
.btn-primary{background:var(--green);color:#fff;border:1px solid var(--green);}
.btn-primary:hover{background:var(--green-dark);border-color:var(--green-dark);color:#fff;text-decoration:none;transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--green);border:1px solid var(--green);}
.btn-ghost:hover{background:rgba(22,72,63,.06);color:var(--green);text-decoration:none;}
.btn-ochre{background:var(--ochre);color:#fff;border:1px solid var(--ochre);}
.btn-ochre:hover{background:#B55C31;border-color:#B55C31;color:#fff;text-decoration:none;}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--green);font-weight:600;padding:4px 0;}
.btn-text .arw{transition:transform .18s ease;}
.btn-text:hover{color:var(--ochre);text-decoration:none;}
.btn-text:hover .arw{transform:translateX(4px);}
.btn:active{transform:translateY(1px);box-shadow:none;}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--ochre);outline-offset:2px;
}
.badge{
  display:inline-flex;align-items:center;
  padding:3px 10px;border-radius:var(--r-pill);
  background:var(--ochre-soft);color:var(--ochre);
  font-size:12px;font-weight:600;line-height:1.6;
}
.badge-line{background:rgba(22,72,63,.07);color:var(--green);}

/* 顶部公示条 */
.topbar{background:var(--topbar);color:rgba(255,255,255,.75);font-size:13px;height:34px;display:flex;align-items:center;}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.topbar-links{display:flex;align-items:center;gap:16px;}
.topbar-links a{color:rgba(255,255,255,.75);font-size:13px;}
.topbar-links a:hover{color:#fff;text-decoration:none;}

/* 主导航 */
.site-header{background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50;}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:68px;}
.logo{display:flex;align-items:center;gap:10px;color:var(--ink);}
.logo:hover{text-decoration:none;color:var(--ink);}
.logo-mark{width:30px;height:30px;flex:0 0 30px;color:var(--green);}
.logo-text{display:flex;flex-direction:column;line-height:1.25;}
.logo-main{font-size:18px;font-weight:700;letter-spacing:-.01em;}
.logo-sub{font-size:12px;font-weight:500;color:var(--muted);}
.nav-menu{display:flex;align-items:center;gap:28px;}
.nav-menu a{position:relative;font-size:15px;font-weight:500;color:var(--ink);padding:6px 0;}
.nav-menu a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--green);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav-menu a:hover{color:var(--green);text-decoration:none;}
.nav-menu a:hover::after,.nav-menu a.is-active::after{transform:scaleX(1);}
.nav-menu a.is-active{color:var(--green);font-weight:600;}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-actions .btn{padding:9px 20px;font-size:14px;}
.burger{display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:8px;align-items:center;justify-content:center;background:#fff;}
.burger span{display:block;width:18px;height:2px;background:var(--green);position:relative;}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--green);}
.burger span::before{top:-6px;}
.burger span::after{top:6px;}

/* 抽屉 */
.mask{position:fixed;inset:0;background:rgba(18,26,24,.45);opacity:0;visibility:hidden;transition:opacity .2s ease,visibility .2s ease;z-index:60;}
.mask.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;width:84vw;max-width:360px;height:100%;background:#fff;
  transform:translateX(100%);transition:transform .28s ease;z-index:70;
  display:flex;flex-direction:column;padding:20px;overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{width:36px;height:36px;border:1px solid var(--line);border-radius:8px;font-size:18px;line-height:1;color:var(--green);}
.drawer-group{padding:14px 0;border-top:1px solid var(--line);}
.drawer-group h4{font-size:12px;color:var(--muted);font-weight:600;letter-spacing:.08em;margin-bottom:8px;}
.drawer-link{display:block;padding:10px 0;font-size:15px;font-weight:500;color:var(--ink);}
.drawer-link:hover{color:var(--green);text-decoration:none;}
.drawer-foot{margin-top:auto;padding-top:18px;display:grid;gap:10px;}
body.lock{overflow:hidden;}

/* 板块 */
.sec{padding:72px 0;}
.sec--white{background:var(--surface);}
.sec--paper{background:var(--paper);}
.sec--soft{background:var(--surface-2);}
.sec--dark{background:var(--green);color:#fff;}
.sec--dark h2,.sec--dark h3{color:#fff;}
.sec-head{max-width:780px;margin-bottom:40px;}
.sec-head h2{margin-bottom:10px;}
.sec-lead{font-size:14px;line-height:1.7;color:var(--muted);margin:0;}
.sec-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none;}

/* Hero */
.hero{background:var(--paper);border-bottom:1px solid var(--line);padding:64px 0 0;}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;padding-bottom:64px;}
.hero-kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--green);background:rgba(22,72,63,.07);border-radius:var(--r-pill);padding:5px 14px;margin-bottom:18px;}
.hero h1{margin-bottom:16px;}
.hero-sub{font-size:17px;line-height:1.7;color:var(--ink);margin-bottom:10px;}
.hero-note{font-size:14px;color:var(--muted);margin-bottom:24px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;}
.hero-media{position:relative;}
.hero-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-lg);border:1px solid var(--line);background:var(--surface-2);box-shadow:var(--sh-1);}
.hero-caption{margin-top:12px;font-size:13px;color:var(--muted);}

/* 下载 */
.dl-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.dl-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:24px;box-shadow:var(--sh-1);display:flex;flex-direction:column;transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;}
.dl-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--green);}
.dl-icon{width:44px;height:44px;border-radius:12px;background:var(--ochre-soft);color:var(--ochre);display:flex;align-items:center;justify-content:center;margin-bottom:16px;}
.dl-card h3{font-size:17px;margin-bottom:8px;}
.dl-card p{font-size:14px;line-height:1.75;color:var(--muted);margin-bottom:18px;}
.dl-card .btn{width:100%;margin-top:auto;}

/* 指标 */
.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.kpi{background:#fff;border:1px solid var(--line);border-left:3px solid var(--ochre);border-radius:var(--r-md);padding:20px 22px;box-shadow:var(--sh-1);}
.kpi-num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-size:30px;font-weight:700;color:var(--green);line-height:1.2;}
.kpi-unit{font-size:13px;color:var(--muted);margin-left:4px;}
.kpi-name{font-size:14px;font-weight:600;margin-top:6px;}
.kpi-note{font-size:12px;color:var(--muted);margin-top:2px;}

/* 服务矩阵 */
.matrix-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.svc-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:24px;box-shadow:var(--sh-1);display:flex;flex-direction:column;gap:10px;transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;}
.svc-card:hover{border-color:var(--green);transform:translateY(-2px);box-shadow:var(--sh-2);}
.svc-icon{width:38px;height:38px;border-radius:10px;background:rgba(22,72,63,.08);color:var(--green);display:flex;align-items:center;justify-content:center;}
.svc-card h3{font-size:17px;}
.svc-card p{font-size:14px;line-height:1.75;color:var(--muted);margin:0;}
.svc-more{margin-top:auto;padding-top:8px;font-size:13px;font-weight:600;color:var(--green);display:inline-flex;align-items:center;gap:6px;}

/* 对比 */
.compare{display:grid;grid-template-columns:1fr auto 1fr;gap:28px;align-items:stretch;}
.compare-col{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:26px;box-shadow:var(--sh-1);}
.compare-col h3{font-size:18px;margin-bottom:16px;}
.compare-col ul li{display:flex;gap:12px;font-size:14.5px;line-height:1.8;padding:8px 0;color:var(--ink);}
.dot{width:8px;height:8px;border-radius:50%;background:#B9B3A6;flex:0 0 8px;margin-top:10px;}
.compare-before .dot{background:#B9B3A6;}
.compare-after .dot{background:var(--ochre);}
.vs{align-self:center;width:52px;height:52px;border-radius:50%;background:var(--ochre);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;font-family:var(--font-mono);box-shadow:0 6px 18px rgba(200,107,60,.28);}

/* 时间轴 */
.timeline{display:flex;gap:0;overflow-x:auto;padding-bottom:10px;position:relative;}
.tl-node{flex:1 0 190px;padding:30px 18px 0 0;position:relative;}
.tl-node::before{content:"";position:absolute;top:5px;left:0;right:0;height:1px;background:var(--line);}
.tl-node:last-child::before{right:calc(100% - 12px);}
.tl-dot{position:absolute;top:0;left:0;width:12px;height:12px;border-radius:50%;background:var(--green);}
.tl-node.is-current .tl-dot{background:var(--ochre);box-shadow:0 0 0 6px rgba(200,107,60,.18);}
.tl-year{font-family:var(--font-mono);font-size:13px;color:var(--muted);margin-bottom:6px;}
.tl-title{font-size:15px;font-weight:600;margin-bottom:6px;}
.tl-desc{font-size:13.5px;line-height:1.7;color:var(--muted);}

/* 资讯卡 */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:22px;box-shadow:var(--sh-1);display:flex;flex-direction:column;gap:12px;color:var(--ink);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--green);text-decoration:none;color:var(--ink);}
.post-card:hover .post-title{color:var(--green);}
.post-title{font-size:16px;font-weight:600;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .18s ease;}
.post-sum{font-size:14px;line-height:1.75;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin:0;}
.post-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);padding-top:6px;border-top:1px solid var(--line);}
.post-more{display:flex;align-items:center;gap:6px;color:var(--green);font-weight:600;}
.empty-state{grid-column:1/-1;border:1px dashed var(--line);border-radius:var(--r-md);background:#fff;padding:48px 24px;text-align:center;}
.empty-state .es-icon{width:48px;height:48px;border-radius:50%;background:var(--surface-2);color:var(--green);display:flex;align-items:center;justify-content:center;margin:0 auto 14px;}
.empty-state p{font-size:14px;color:var(--muted);margin:0 0 16px;}

/* 平台保障 */
.guard-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;}
.guard-item{padding:6px 24px;border-left:1px dashed var(--line);}
.guard-item:first-child{border-left:0;padding-left:0;}
.guard-icon{width:34px;height:34px;color:var(--green);margin-bottom:12px;}
.guard-item h3{font-size:15px;margin-bottom:6px;}
.guard-item p{font-size:13.5px;line-height:1.7;color:var(--muted);margin:0;}

/* 快速解答 */
.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.quick-item{display:flex;align-items:center;justify-content:space-between;gap:12px;background:rgba(255,255,255,.75);border:1px solid var(--line);border-radius:var(--r-md);padding:20px;color:var(--green);font-size:15px;font-weight:600;line-height:1.6;transition:background .2s ease,transform .2s ease,border-color .2s ease;}
.quick-item:hover{background:#fff;border-color:var(--green);transform:translateY(-2px);text-decoration:none;color:var(--green);}
.quick-item .arw{color:var(--ochre);transition:transform .18s ease;}
.quick-item:hover .arw{transform:translateX(4px);}

/* 分区 */
.zone-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.zone-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:24px;box-shadow:var(--sh-1);display:flex;flex-direction:column;gap:10px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.zone-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--green);}
.zone-top{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.zone-name{font-size:17px;font-weight:600;}
.zone-count{font-family:var(--font-mono);font-size:12px;font-weight:600;color:var(--ochre);background:var(--ochre-soft);border-radius:var(--r-pill);padding:2px 10px;white-space:nowrap;}
.zone-card p{font-size:14px;line-height:1.75;color:var(--muted);margin:0;}
.zone-card .zone-lines li{font-size:13.5px;line-height:1.7;color:var(--muted);padding-left:14px;position:relative;}
.zone-card .zone-lines li::before{content:"";position:absolute;left:0;top:11px;width:5px;height:5px;border-radius:50%;background:var(--line);}
.zone-card.is-link{cursor:pointer;}

/* 榜单 + 专题 */
.board-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:start;}
.rank-list{border-top:1px solid var(--line);}
.rank-list li{display:flex;align-items:flex-start;gap:14px;padding:14px 0;border-bottom:1px solid var(--line);}
.rank-num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-size:15px;font-weight:700;color:var(--muted);flex:0 0 30px;line-height:1.7;}
.rank-num.is-top{color:var(--ochre);}
.rank-list a{font-size:15px;line-height:1.7;color:var(--ink);display:block;}
.rank-list a:hover{color:var(--green);text-decoration:none;}
.topic-stack{display:grid;gap:20px;}
.topic-card{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);color:var(--ink);transition:transform .2s ease,box-shadow .2s ease;}
.topic-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);text-decoration:none;color:var(--ink);}
.topic-card img{width:100%;aspect-ratio:3/2;object-fit:cover;background:var(--surface-2);}
.topic-body{padding:18px 20px;}
.topic-body h3{font-size:16px;margin-bottom:6px;}
.topic-body p{font-size:13.5px;line-height:1.7;color:var(--muted);margin:0;}

/* 流程 */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;}
.flow::before{content:"";position:absolute;top:20px;left:6%;right:6%;height:1px;background:var(--line);}
.flow-step{position:relative;padding-top:56px;}
.flow-num{position:absolute;top:0;left:0;width:40px;height:40px;border-radius:50%;background:var(--green);color:#fff;display:flex;align-items:center;justify-content:center;font-family:var(--font-mono);font-weight:700;font-size:15px;}
.flow-step h3{font-size:15.5px;margin-bottom:6px;}
.flow-step p{font-size:13.5px;line-height:1.7;color:var(--muted);margin:0;}

/* 误区 */
.myth-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.myth-item{background:#fff;border:1px solid var(--line);border-left:3px solid var(--green);border-radius:0 var(--r-md) var(--r-md) 0;padding:18px 22px;}
.myth-item h3{font-size:15px;margin-bottom:6px;}
.myth-item p{font-size:14px;line-height:1.75;color:var(--muted);margin:0;}

/* FAQ */
.faq{max-width:860px;margin:0 auto;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);margin-bottom:12px;overflow:hidden;transition:border-color .2s ease;}
.faq-item.open{border-color:var(--green);}
.faq-btn{width:100%;min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;padding:14px 20px;font-size:16px;font-weight:600;color:var(--ink);transition:background .2s ease;}
.faq-btn:hover{background:var(--paper);}
.faq-sign{flex:0 0 20px;font-size:20px;line-height:1;color:var(--ochre);font-weight:400;transition:transform .2s ease;}
.faq-item.open .faq-sign{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease;}
.faq-a-inner{padding:0 20px 18px;font-size:15px;line-height:1.9;color:var(--muted);}

/* 表单 */
.contact-grid{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start;}
.contact-info h2{margin-bottom:14px;}
.contact-info p{font-size:15px;line-height:1.85;color:var(--muted);}
.contact-points{margin-top:22px;display:grid;gap:12px;}
.contact-points li{display:flex;gap:10px;font-size:14px;line-height:1.7;color:var(--ink);}
.contact-points li::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--ochre);flex:0 0 8px;margin-top:9px;}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:28px;box-shadow:var(--sh-1);}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:6px;}
.req{color:var(--ochre);}
.field input,.field select,.field textarea{
  width:100%;height:44px;padding:0 14px;border:1px solid var(--line);border-radius:8px;background:#fff;
  transition:border-color .18s ease,box-shadow .18s ease;font-size:15px;
}
.field textarea{height:auto;min-height:120px;padding:12px 14px;line-height:1.8;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--green);box-shadow:0 0 0 3px rgba(22,72,63,.12);
}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--warn);}
.field-error{display:none;font-size:13px;color:var(--warn);margin-top:6px;}
.field.has-error .field-error{display:block;}
.form-ok{display:none;margin-top:16px;padding:12px 16px;border-radius:8px;background:rgba(47,125,99,.12);color:var(--ok);font-size:14px;line-height:1.7;}
.form-ok.show{display:block;}
.form-submit{width:100%;margin-top:6px;}

/* 公示条 */
.notice-bar{background:var(--surface-2);border-top:1px solid var(--line);padding:16px 0;}
.notice-bar p{font-size:13px;line-height:1.7;color:var(--muted);margin:0;}

/* 页脚 */
.site-footer{background:var(--topbar);color:rgba(255,255,255,.65);padding:56px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding-bottom:40px;}
.footer-brand .logo-main,.footer-brand .logo-sub{color:#fff;}
.footer-brand .logo-sub{color:rgba(255,255,255,.6);}
.footer-brand p{font-size:13px;line-height:1.8;color:rgba(255,255,255,.65);margin:14px 0 0;}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:13px;color:rgba(255,255,255,.65);}
.footer-col a:hover{color:#fff;text-decoration:none;}
.footer-col p{font-size:13px;line-height:1.8;color:rgba(255,255,255,.65);margin:0 0 10px;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:18px 0;font-size:13px;color:rgba(255,255,255,.5);display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;}

/* 响应式 */
@media (max-width:1249px){
  .container{max-width:1100px;}
}
@media (max-width:1024px){
  .sec{padding:56px 0;}
  .hero{padding-top:48px;}
  .hero-grid{grid-template-columns:1fr;gap:32px;padding-bottom:48px;}
  .kpi-grid{grid-template-columns:repeat(2,1fr);}
  .matrix-grid{grid-template-columns:repeat(2,1fr);}
  .post-grid{grid-template-columns:repeat(2,1fr);}
  .dl-grid{grid-template-columns:1fr;}
  .zone-grid{grid-template-columns:repeat(2,1fr);}
  .guard-grid{grid-template-columns:repeat(2,1fr);gap:24px;}
  .guard-item{padding:0;border-left:0;border-top:1px dashed var(--line);padding-top:20px;}
  .guard-item:first-child,.guard-item:nth-child(2){border-top:0;padding-top:0;}
  .quick-grid{grid-template-columns:repeat(2,1fr);}
  .board-grid{grid-template-columns:1fr;gap:32px;}
  .flow{grid-template-columns:repeat(2,1fr);gap:28px;}
  .flow::before{display:none;}
  .contact-grid{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .nav-menu{display:none;}
  .nav-actions .btn-ghost{display:none;}
  .burger{display:flex;}
}
@media (max-width:768px){
  .sec{padding:40px 0;}
  .container{padding:0 20px;}
  .topbar{height:auto;min-height:34px;padding:6px 0;}
  .topbar .container{flex-wrap:wrap;gap:6px;}
  .topbar-links{gap:12px;}
  .hero-cta .btn{flex:1 1 auto;}
  .compare{grid-template-columns:1fr;}
  .vs{justify-self:center;}
  .guard-grid{grid-template-columns:1fr;}
  .guard-item{border-top:1px dashed var(--line);padding-top:20px;}
  .guard-item:first-child{border-top:0;padding-top:0;}
  .guard-item:nth-child(2){border-top:1px dashed var(--line);padding-top:20px;}
  .zone-grid{grid-template-columns:1fr;}
  .myth-grid{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .sec-head--row{flex-direction:column;align-items:flex-start;}
  .timeline{flex-direction:column;overflow:visible;}
  .tl-node{flex:1 1 auto;width:100%;padding:0 0 24px 28px;}
  .tl-node::before{top:0;bottom:0;left:5px;right:auto;width:1px;height:auto;}
  .tl-node:last-child::before{bottom:auto;height:12px;}
  .tl-dot{top:2px;}
}
@media (max-width:480px){
  body{font-size:15px;line-height:1.8;}
  h1{font-size:26px;}
  h2{font-size:22px;}
  .kpi-grid{grid-template-columns:1fr;}
  .matrix-grid{grid-template-columns:1fr;}
  .post-grid{grid-template-columns:1fr;}
  .quick-grid{grid-template-columns:1fr;}
  .flow{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .hero-cta{flex-direction:column;}
  .hero-cta .btn{width:100%;}
  .form-card{padding:20px;}
  .logo-main{font-size:16px;}
  .logo-sub{font-size:11px;}
}

/* roulang page: article */
:root{
  --green:#16483F;
  --green-dark:#0E3A33;
  --ochre:#C86B3C;
  --ochre-soft:#F3E3D8;
  --paper:#F6F3EC;
  --surface:#FFFFFF;
  --surface-2:#EDE7DA;
  --line:#DCD5C7;
  --ink:#1C2422;
  --muted:#5A6561;
  --ok:#2F7D63;
  --warn:#B4894A;
  --topbar:#1B2A2C;
  --r-sm:6px;
  --r-md:10px;
  --r-lg:16px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(28,36,34,.06),0 2px 8px rgba(28,36,34,.05);
  --sh-2:0 6px 24px rgba(28,36,34,.10);
  --font-sans:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --font-mono:ui-monospace,"SFMono-Regular","DIN Alternate","Roboto Mono",Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  color:var(--ink);
  background:var(--paper);
}
h1,h2,h3,h4,h5,h6,p,ul,ol,figure,blockquote{margin:0;}
img{max-width:100%;display:block;}
a{color:var(--green);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--ochre);text-decoration:underline;text-underline-offset:3px;}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer;}
input,select,textarea{font:inherit;color:inherit;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.muted{color:var(--muted);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 28px;border-radius:8px;font-weight:600;font-size:15px;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
  cursor:pointer;
}
.btn-primary{background:var(--green);color:#fff;border:1px solid var(--green);}
.btn-primary:hover{background:var(--green-dark);border-color:var(--green-dark);color:#fff;text-decoration:none;transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--green);border:1px solid var(--green);}
.btn-ghost:hover{background:rgba(22,72,63,.06);color:var(--green);text-decoration:none;}
.btn-ochre{background:var(--ochre);color:#fff;border:1px solid var(--ochre);}
.btn-ochre:hover{background:#B55C31;border-color:#B55C31;color:#fff;text-decoration:none;}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--green);font-weight:600;padding:4px 0;}
.btn-text .arw{transition:transform .18s ease;}
.btn-text:hover{color:var(--ochre);text-decoration:none;}
.btn-text:hover .arw{transform:translateX(4px);}
.btn:active{transform:translateY(1px);box-shadow:none;}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--ochre);outline-offset:2px;
}
.badge{
  display:inline-flex;align-items:center;
  padding:3px 10px;border-radius:var(--r-pill);
  background:var(--ochre-soft);color:var(--ochre);
  font-size:12px;font-weight:600;line-height:1.6;
}
.badge-line{background:rgba(22,72,63,.07);color:var(--green);}
/* 顶部公示条 */
.topbar{background:var(--topbar);color:rgba(255,255,255,.75);font-size:13px;height:34px;display:flex;align-items:center;}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.topbar-links{display:flex;align-items:center;gap:16px;}
.topbar-links a{color:rgba(255,255,255,.75);font-size:13px;}
.topbar-links a:hover{color:#fff;text-decoration:none;}
/* 主导航 */
.site-header{background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50;}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:68px;}
.logo{display:flex;align-items:center;gap:10px;color:var(--ink);}
.logo:hover{text-decoration:none;color:var(--ink);}
.logo-mark{width:30px;height:30px;flex:0 0 30px;color:var(--green);}
.logo-text{display:flex;flex-direction:column;line-height:1.25;}
.logo-main{font-size:18px;font-weight:700;letter-spacing:-.01em;}
.logo-sub{font-size:12px;font-weight:500;color:var(--muted);}
.nav-menu{display:flex;align-items:center;gap:28px;}
.nav-menu a{position:relative;font-size:15px;font-weight:500;color:var(--ink);padding:6px 0;}
.nav-menu a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--green);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav-menu a:hover{color:var(--green);text-decoration:none;}
.nav-menu a:hover::after,.nav-menu a.is-active::after{transform:scaleX(1);}
.nav-menu a.is-active{color:var(--green);font-weight:600;}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-actions .btn{padding:9px 20px;font-size:14px;}
.burger{display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:8px;align-items:center;justify-content:center;}
.burger span{display:block;width:18px;height:2px;background:var(--green);position:relative;border-radius:2px;}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--green);border-radius:2px;}
.burger span::before{top:-6px;}
.burger span::after{top:6px;}
.drawer{
  position:fixed;top:0;right:0;width:84vw;max-width:360px;height:100%;background:#fff;
  transform:translateX(100%);transition:transform .28s ease;z-index:70;
  display:flex;flex-direction:column;padding:20px;overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px;}
.drawer-close{width:36px;height:36px;border:1px solid var(--line);border-radius:8px;font-size:18px;line-height:1;color:var(--green);}
.drawer-group{padding:14px 0;border-top:1px solid var(--line);}
.drawer-group h4{font-size:12px;color:var(--muted);font-weight:600;letter-spacing:.08em;margin-bottom:8px;}
.drawer-link{display:block;padding:10px 0;font-size:15px;font-weight:500;color:var(--ink);}
.drawer-link:hover{color:var(--green);text-decoration:none;}
.drawer-foot{margin-top:auto;padding-top:18px;display:grid;gap:10px;}
body.lock{overflow:hidden;}
/* 面包屑 */
.crumb{padding:22px 0 0;font-size:13px;color:var(--muted);}
.crumb ol{list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:0;margin:0;}
.crumb li{display:flex;align-items:center;gap:8px;}
.crumb li+li::before{content:"/";color:var(--line);}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--green);}
.crumb [aria-current]{color:var(--ink);}
/* 文章头部 */
.article-head{padding:18px 0 36px;border-bottom:1px solid var(--line);}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:13px;color:var(--muted);margin-bottom:16px;}
.meta-dot{width:3px;height:3px;border-radius:50%;background:var(--line);}
.article-head h1{
  font-size:clamp(26px,3vw,34px);line-height:1.4;font-weight:700;letter-spacing:-.01em;
  margin:0 0 20px;max-width:900px;overflow-wrap:break-word;
}
.lead{
  border-left:3px solid var(--ochre);
  background:var(--surface-2);
  padding:14px 20px;
  border-radius:0 var(--r-md) var(--r-md) 0;
  font-size:16px;line-height:1.9;color:var(--ink);
  max-width:820px;margin:0 0 26px;overflow-wrap:break-word;
}
.article-cover{
  margin:0;max-width:920px;background:var(--surface-2);
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);
}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;}
/* 阅读区 */
.post-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 340px;
  gap:48px;align-items:start;padding:44px 0 0;
}
.post-main{min-width:0;}
.prose{
  max-width:760px;min-width:0;font-size:16px;line-height:1.95;letter-spacing:.01em;
  color:var(--ink);overflow-wrap:break-word;
}
.prose>*+*{margin-top:1em;}
.prose h2{
  position:relative;font-size:22px;line-height:1.55;font-weight:700;
  margin-top:2em;padding-left:14px;letter-spacing:-.01em;
}
.prose h2::before{
  content:"";position:absolute;left:0;top:.34em;width:4px;height:18px;
  background:var(--green);border-radius:2px;
}
.prose h3{font-size:18px;font-weight:600;margin-top:1.7em;line-height:1.6;}
.prose p{margin:0;}
.prose ul,.prose ol{padding-left:1.3em;}
.prose ul{list-style:none;padding-left:0;}
.prose ul>li{position:relative;padding-left:18px;margin:.45em 0;}
.prose ul>li::before{
  content:"";position:absolute;left:2px;top:.78em;width:6px;height:6px;
  border-radius:50%;background:var(--ochre);
}
.prose ol>li{margin:.45em 0;}
.prose blockquote{
  margin:1.6em 0;padding:14px 20px;
  border-left:3px solid var(--ochre);background:var(--surface-2);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  font-size:15px;font-style:italic;color:var(--muted);
}
.prose img{border-radius:var(--r-md);margin:1.4em auto;height:auto;}
.prose figure{margin:1.4em 0;}
.prose figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:8px;}
.prose table{
  width:100%;border-collapse:collapse;font-size:14px;margin:1.4em 0;
  border:1px solid var(--line);border-radius:var(--r-sm);overflow:hidden;
}
.prose th,.prose td{border-bottom:1px solid var(--line);padding:10px 14px;text-align:left;vertical-align:top;}
.prose thead th{background:var(--surface-2);font-weight:600;}
.prose tbody tr:nth-child(even){background:#FAF8F3;}
.prose pre{
  background:var(--surface-2);padding:16px;border-radius:var(--r-md);
  overflow-x:auto;font-size:13.5px;line-height:1.7;font-family:var(--font-mono);
}
.prose code{font-family:var(--font-mono);font-size:.92em;background:var(--surface-2);padding:1px 5px;border-radius:4px;}
.prose pre code{background:none;padding:0;}
.prose a{color:var(--green);text-decoration:underline;text-underline-offset:3px;}
.prose a:hover{color:var(--ochre);}
.prose hr{border:0;border-top:1px solid var(--line);margin:2em 0;}
/* 空态 */
.empty-state{
  border:1px dashed var(--line);border-radius:var(--r-lg);
  background:var(--surface);padding:56px 24px;text-align:center;max-width:760px;
}
.empty-state h2{font-size:20px;font-weight:700;margin-bottom:10px;}
.empty-state p{font-size:14px;color:var(--muted);margin-bottom:20px;}
/* 关键词标签 */
.tag-row{
  display:flex;flex-wrap:wrap;gap:10px;
  margin-top:36px;padding-top:26px;border-top:1px solid var(--line);max-width:760px;
}
.tag-label{font-size:13px;color:var(--muted);font-weight:600;align-self:center;margin-right:2px;}
.tag{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:var(--r-pill);
  background:var(--surface-2);color:var(--muted);font-size:13px;
  transition:background .18s ease,color .18s ease;
}
.tag:hover{background:rgba(22,72,63,.08);color:var(--green);text-decoration:none;}
/* 侧栏 */
.post-aside{position:sticky;top:96px;display:grid;gap:20px;min-width:0;}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);padding:20px;
}
.side-card h2{font-size:15px;font-weight:700;margin-bottom:12px;letter-spacing:-.01em;}
.toc-list{list-style:none;margin:0;padding:0;border-left:2px solid var(--line);}
.toc-list a{
  display:block;padding:7px 0 7px 14px;margin-left:-2px;
  border-left:2px solid transparent;
  font-size:14px;line-height:1.6;color:var(--muted);
  transition:color .18s ease,border-color .18s ease,background .18s ease;
}
.toc-list a:hover,.toc-list a.is-current{
  color:var(--green);border-left-color:var(--green);
  background:rgba(22,72,63,.04);text-decoration:none;
}
.toc-empty{font-size:13px;color:var(--muted);}
.side-dl{display:grid;}
.side-dl a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 0;border-bottom:1px dashed var(--line);
  font-size:14px;color:var(--ink);transition:color .18s ease;
}
.side-dl a:last-child{border-bottom:0;}
.side-dl a:hover{color:var(--green);text-decoration:none;}
.side-dl .arw{color:var(--ochre);font-weight:700;}
.side-cta{
  background:var(--green);border-radius:var(--r-lg);padding:24px;
  box-shadow:var(--sh-2);color:#fff;
}
.side-cta h2{font-size:17px;font-weight:700;color:#fff;margin-bottom:8px;}
.side-cta p{font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.82);margin-bottom:16px;}
.side-cta .btn{width:100%;background:#fff;color:var(--green);border-color:#fff;}
.side-cta .btn:hover{background:var(--ochre-soft);border-color:var(--ochre-soft);color:var(--green-dark);text-decoration:none;}
/* 板块通用 */
.section{padding:72px 0;}
.section--surface{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section--alt{background:var(--surface-2);border-top:1px solid var(--line);}
.sec-head{max-width:760px;margin-bottom:36px;}
.sec-head h2{font-size:clamp(22px,2.2vw,28px);font-weight:700;line-height:1.4;margin-bottom:10px;letter-spacing:-.01em;}
.sec-head p{font-size:14px;line-height:1.8;color:var(--muted);}
/* 延伸阅读 */
.read-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.read-card{
  position:relative;display:flex;flex-direction:column;gap:10px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);padding:24px 22px 22px 26px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.read-card::before{
  content:"";position:absolute;left:0;top:20px;bottom:20px;width:3px;
  background:var(--green);border-radius:0 2px 2px 0;
}
.read-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--green);text-decoration:none;}
.read-card:hover h3{color:var(--green);}
.read-card h3{font-size:16px;font-weight:600;line-height:1.6;color:var(--ink);transition:color .18s ease;}
.read-card p{font-size:14px;line-height:1.75;color:var(--muted);}
.read-card .more{font-size:13px;font-weight:600;color:var(--ochre);margin-top:auto;}
/* 下载区 */
.dl-band{
  display:grid;grid-template-columns:minmax(0,1fr) auto;gap:28px;align-items:center;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:30px 32px;
}
.dl-band h2{font-size:20px;font-weight:700;margin-bottom:8px;letter-spacing:-.01em;}
.dl-band p{font-size:14px;line-height:1.8;color:var(--muted);}
.dl-btns{display:flex;flex-wrap:wrap;gap:12px;}
.dl-note{font-size:13px;color:var(--muted);margin-top:12px;}
/* FAQ */
.faq{max-width:860px;margin:0 auto;border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:56px;padding:14px 6px;font-size:16px;font-weight:600;line-height:1.6;
  text-align:left;color:var(--ink);
  transition:background .18s ease,color .18s ease;
}
.faq-q:hover{background:var(--paper);color:var(--green);}
.faq-icon{position:relative;width:16px;height:16px;flex:0 0 16px;}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--ochre);border-radius:2px;transition:transform .2s ease;
}
.faq-icon::before{left:0;top:7px;width:16px;height:2px;}
.faq-icon::after{left:7px;top:0;width:2px;height:16px;}
.faq-item.open .faq-icon::after{transform:scaleY(0);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease;}
.faq-a-inner{padding:0 6px 20px;font-size:15px;line-height:1.9;color:var(--muted);}
/* 公示条 */
.notice-strip{background:var(--surface-2);border-top:1px solid var(--line);padding:18px 0;font-size:13px;line-height:1.8;color:var(--muted);}
.notice-strip .container{display:flex;flex-wrap:wrap;gap:8px 18px;}
/* 页脚 */
.site-footer{background:var(--topbar);color:rgba(255,255,255,.65);padding:56px 0 0;font-size:13px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding-bottom:40px;}
.footer-brand .logo-text{margin-bottom:14px;}
.footer-brand .logo-main{color:#fff;}
.footer-brand .logo-sub{color:rgba(255,255,255,.6);}
.footer-brand p{font-size:13px;line-height:1.9;color:rgba(255,255,255,.65);max-width:340px;}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px;}
.footer-col ul{list-style:none;padding:0;margin:0;display:grid;gap:8px;}
.footer-col p{color:rgba(255,255,255,.65);margin-bottom:8px;}
.footer-col a{color:rgba(255,255,255,.65);font-size:13px;}
.footer-col a:hover{color:#fff;text-decoration:none;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:18px 0 22px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:rgba(255,255,255,.55);
}
@media (max-width:1250px){
  .container{max-width:1140px;}
}
@media (max-width:1024px){
  .nav-menu{display:none;}
  .burger{display:flex;}
  .post-layout{grid-template-columns:minmax(0,1fr);gap:36px;padding-top:36px;}
  .post-aside{position:static;}
  .read-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .dl-band{grid-template-columns:minmax(0,1fr);align-items:start;}
  .section{padding:56px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:768px){
  .nav-actions .btn-ghost{display:none;}
  .article-head h1{font-size:24px;}
  .lead{font-size:15px;padding:12px 16px;}
  .prose{font-size:15.5px;line-height:1.9;}
  .read-grid{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:1fr;}
  .dl-btns .btn{flex:1 1 46%;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .topbar{height:auto;padding:8px 0;}
  .topbar .container{flex-direction:column;align-items:flex-start;gap:6px;}
  .topbar-links{gap:12px;}
  .logo-main{font-size:16px;}
  .logo-sub{font-size:11px;}
  .nav-inner{height:62px;}
  .nav-actions{display:none;}
  .section{padding:40px 0;}
  .prose{font-size:15px;line-height:1.8;}
  .prose h2{font-size:19px;}
  .prose h3{font-size:17px;}
  .dl-btns{width:100%;}
  .dl-btns .btn{flex:1 1 100%;}
  .dl-band{padding:22px;}
  .faq-q{font-size:15px;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: category1 */
:root{
  --green:#16483F;
  --green-dark:#0E3A33;
  --ochre:#C86B3C;
  --ochre-soft:#F3E3D8;
  --paper:#F6F3EC;
  --surface:#FFFFFF;
  --surface-2:#EDE7DA;
  --line:#DCD5C7;
  --ink:#1C2422;
  --muted:#5A6561;
  --ok:#2F7D63;
  --warn:#B4894A;
  --topbar:#1B2A2C;
  --r-sm:6px;
  --r-md:10px;
  --r-lg:16px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(28,36,34,.06),0 2px 8px rgba(28,36,34,.05);
  --sh-2:0 6px 24px rgba(28,36,34,.10);
  --font-sans:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --font-mono:ui-monospace,"SFMono-Regular","DIN Alternate","Roboto Mono",Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  color:var(--ink);
  background:var(--paper);
}
h1,h2,h3,h4{margin:0;line-height:1.35;letter-spacing:-.01em;font-weight:700;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;}
a{color:var(--green);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--ochre);text-decoration:underline;text-underline-offset:3px;}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer;}
input,select,textarea{font:inherit;color:inherit;}
table{border-collapse:collapse;width:100%;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.muted{color:var(--muted);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 28px;border-radius:8px;font-weight:600;font-size:15px;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
  cursor:pointer;
}
.btn-primary{background:var(--green);color:#fff;border:1px solid var(--green);}
.btn-primary:hover{background:var(--green-dark);border-color:var(--green-dark);color:#fff;text-decoration:none;transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--green);border:1px solid var(--green);}
.btn-ghost:hover{background:rgba(22,72,63,.06);color:var(--green);text-decoration:none;}
.btn-ochre{background:var(--ochre);color:#fff;border:1px solid var(--ochre);}
.btn-ochre:hover{background:#B55C31;border-color:#B55C31;color:#fff;text-decoration:none;}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--green);font-weight:600;padding:4px 0;}
.btn-text .arw{transition:transform .18s ease;}
.btn-text:hover{color:var(--ochre);text-decoration:none;}
.btn-text:hover .arw{transform:translateX(4px);}
.btn:active{transform:translateY(1px);box-shadow:none;}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--ochre);outline-offset:2px;
}
.badge{
  display:inline-flex;align-items:center;
  padding:3px 10px;border-radius:var(--r-pill);
  background:var(--ochre-soft);color:var(--ochre);
  font-size:12px;font-weight:600;line-height:1.6;
}
.badge-line{background:rgba(22,72,63,.07);color:var(--green);}
/* 顶部公示条 */
.topbar{background:var(--topbar);color:rgba(255,255,255,.75);font-size:13px;height:34px;display:flex;align-items:center;}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.topbar-links{display:flex;align-items:center;gap:16px;}
.topbar-links a{color:rgba(255,255,255,.75);font-size:13px;}
.topbar-links a:hover{color:#fff;text-decoration:none;}
/* 主导航 */
.site-header{background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50;}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:68px;}
.logo{display:flex;align-items:center;gap:10px;color:var(--ink);}
.logo:hover{text-decoration:none;color:var(--ink);}
.logo-mark{width:30px;height:30px;flex:0 0 30px;color:var(--green);}
.logo-text{display:flex;flex-direction:column;line-height:1.25;}
.logo-main{font-size:18px;font-weight:700;letter-spacing:-.01em;}
.logo-sub{font-size:12px;font-weight:500;color:var(--muted);}
.nav-menu{display:flex;align-items:center;gap:28px;}
.nav-menu a{position:relative;font-size:15px;font-weight:500;color:var(--ink);padding:6px 0;}
.nav-menu a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--green);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav-menu a:hover{color:var(--green);text-decoration:none;}
.nav-menu a:hover::after,.nav-menu a.is-active::after{transform:scaleX(1);}
.nav-menu a.is-active{color:var(--green);font-weight:600;}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-actions .btn{padding:9px 20px;font-size:14px;}
.burger{display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:8px;align-items:center;justify-content:center;background:#fff;}
.burger span{display:block;width:18px;height:2px;background:var(--green);position:relative;}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--green);}
.burger span::before{top:-6px;}
.burger span::after{top:6px;}
/* 抽屉 */
.drawer-overlay{position:fixed;inset:0;background:rgba(27,42,44,.45);opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease;z-index:60;}
.drawer-overlay.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;width:84vw;max-width:360px;height:100%;background:#fff;
  transform:translateX(100%);transition:transform .28s ease;z-index:70;
  display:flex;flex-direction:column;padding:20px;overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{width:36px;height:36px;border:1px solid var(--line);border-radius:8px;font-size:18px;line-height:1;color:var(--green);}
.drawer-group{padding:14px 0;border-top:1px solid var(--line);}
.drawer-group h4{font-size:12px;color:var(--muted);font-weight:600;letter-spacing:.08em;margin-bottom:8px;}
.drawer-link{display:block;padding:10px 0;font-size:15px;font-weight:500;color:var(--ink);}
.drawer-link:hover{color:var(--green);text-decoration:none;}
.drawer-foot{margin-top:auto;padding-top:18px;display:grid;gap:10px;}
body.lock{overflow:hidden;}
/* 通用板块 */
.sec{padding:64px 0;}
.sec--paper{background:var(--paper);}
.sec--surface{background:var(--surface);}
.sec--soft{background:var(--surface-2);}
.sec-head{margin-bottom:32px;}
.sec-head h2{font-size:clamp(22px,2.2vw,30px);margin-bottom:10px;}
.sec-lead{font-size:14px;line-height:1.75;color:var(--muted);margin:0;}
/* 分类页头 */
.cat-head{background:var(--surface);border-bottom:1px solid var(--line);padding:36px 0 28px;}
.breadcrumb{font-size:13px;color:var(--muted);margin-bottom:14px;}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:6px;}
.breadcrumb li{display:flex;align-items:center;gap:6px;}
.breadcrumb li+li::before{content:"/";color:var(--line);}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--green);text-decoration:none;}
.breadcrumb [aria-current]{color:var(--green);font-weight:600;}
.cat-head h1{font-size:clamp(26px,3vw,38px);line-height:1.3;margin-bottom:14px;max-width:900px;}
.cat-intro{max-width:760px;font-size:15px;line-height:1.9;color:var(--muted);}
.cat-stats{font-size:13px;color:var(--muted);margin-top:16px;font-variant-numeric:tabular-nums;}
.cat-stats strong{color:var(--green);font-family:var(--font-mono);}
/* 条目列表 */
.post-list{border-top:1px solid var(--line);}
.post-row{border-bottom:1px solid var(--line);}
.post-row-link{
  display:grid;grid-template-columns:88px minmax(0,1fr) 28px;gap:20px;align-items:flex-start;
  padding:22px 12px;color:inherit;transition:background .18s ease;
}
.post-row-link:hover{background:#FAF8F3;text-decoration:none;color:inherit;}
.post-date{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
  background:var(--ochre-soft);border-radius:var(--r-md);padding:10px 6px;
  font-variant-numeric:tabular-nums;
}
.post-date-text{font-family:var(--font-mono);font-size:11px;line-height:1.5;color:#9C4E28;text-align:center;word-break:break-all;letter-spacing:0;}
.post-date-label{font-size:10.5px;color:#A9765A;letter-spacing:.08em;}
.post-body{display:block;min-width:0;}
.post-title{display:block;font-size:18px;font-weight:600;line-height:1.55;margin-bottom:6px;color:var(--ink);transition:color .18s ease;}
.post-row-link:hover .post-title{color:var(--green);}
.post-sum{
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  font-size:14px;line-height:1.75;color:var(--muted);
}
.post-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px;}
.post-arrow{font-size:18px;color:var(--green);line-height:1;padding-top:8px;transition:transform .18s ease,color .18s ease;}
.post-row-link:hover .post-arrow{transform:translateX(4px);color:var(--ochre);}
.list-foot{display:flex;justify-content:center;margin-top:26px;}
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;
  border:1px dashed var(--line);border-radius:var(--r-lg);background:var(--surface);
  padding:56px 24px;text-align:center;color:var(--muted);font-size:15px;
}
.empty-icon{font-size:26px;color:var(--ochre);line-height:1;}
/* 编辑挑选 */
.pick-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.pick-card{
  background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--green);
  border-radius:var(--r-md);box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.pick-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--green);}
.pick-media{aspect-ratio:3/2;background:var(--surface-2);overflow:hidden;}
.pick-media img{width:100%;height:100%;object-fit:cover;}
.pick-body{padding:20px 22px 22px;}
.pick-body h3{font-size:17px;line-height:1.5;margin-bottom:8px;}
.pick-body p{font-size:14px;line-height:1.75;color:var(--muted);margin:0;}
/* 热度榜 */
.rank-wrap{display:grid;grid-template-columns:1fr 1fr;gap:0 40px;}
.rank-item{display:flex;gap:14px;align-items:flex-start;padding:14px 0;border-bottom:1px dashed var(--line);}
.rank-num{font-family:var(--font-mono);font-size:15px;font-weight:700;color:var(--green);font-variant-numeric:tabular-nums;min-width:26px;line-height:1.7;}
.rank-item:nth-child(-n+3) .rank-num{color:var(--ochre);}
.rank-text{min-width:0;}
.rank-name{display:block;font-size:15px;font-weight:600;color:var(--ink);}
.rank-desc{display:block;font-size:13px;line-height:1.7;color:var(--muted);margin-top:2px;}
.rank-note{margin-top:20px;font-size:13px;color:var(--muted);}
/* 专题 */
.topic-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.topic-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.topic-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--green);}
.topic-card h3{font-size:18px;margin-bottom:8px;}
.topic-card p{font-size:14px;line-height:1.75;color:var(--muted);margin-bottom:14px;}
/* FAQ */
.faq{max-width:860px;margin:0 auto;}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);margin-bottom:12px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;}
.faq-item.open{border-color:var(--green);box-shadow:var(--sh-1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:14px 20px;text-align:left;font-size:16px;font-weight:600;color:var(--ink);
  transition:background .18s ease;
}
.faq-q:hover{background:#F6F3EC;}
.faq-q:focus-visible{outline:2px solid var(--ochre);outline-offset:-2px;}
.faq-icon{flex:0 0 auto;font-size:20px;line-height:1;color:var(--ochre);transition:transform .2s ease;}
.faq-item.open .faq-icon{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease;}
.faq-item.open .faq-a{max-height:520px;}
.faq-a-inner{padding:0 20px 18px;font-size:15px;line-height:1.9;color:var(--muted);}
/* 订阅条 */
.sub-band{
  background:var(--green-dark);color:#fff;border-radius:var(--r-lg);
  padding:28px 32px;display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center;
}
.sub-band h2{font-size:20px;color:#fff;margin-bottom:6px;}
.sub-band p{font-size:14px;line-height:1.7;color:rgba(255,255,255,.72);margin:0;}
.sub-form{display:flex;gap:10px;align-items:center;}
.sub-form input{
  height:44px;min-width:260px;padding:0 16px;border-radius:8px;border:1px solid transparent;
  background:#fff;color:var(--ink);font-size:15px;transition:box-shadow .18s ease,border-color .18s ease;
}
.sub-form input:focus{outline:none;border-color:var(--ochre);box-shadow:0 0 0 3px rgba(200,107,60,.28);}
.sub-form .btn{height:44px;padding:0 24px;}
.sub-msg{grid-column:1/-1;font-size:13px;color:#BFE3D3;min-height:18px;}
/* 下载 */
.dl-band{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:32px;display:grid;grid-template-columns:1.05fr 1fr;gap:28px;align-items:center;
  box-shadow:var(--sh-1);
}
.dl-band h2{font-size:22px;margin-bottom:10px;}
.dl-band p{font-size:14px;line-height:1.75;color:var(--muted);margin:0;}
.dl-actions{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;}
.dl-btn{
  display:flex;flex-direction:column;align-items:center;gap:4px;
  padding:16px 12px;border:1px solid var(--line);border-radius:var(--r-md);
  background:var(--paper);color:var(--green);font-weight:600;font-size:14px;text-align:center;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease,background .2s ease;
}
.dl-btn:hover{border-color:var(--green);background:#fff;box-shadow:var(--sh-2);transform:translateY(-2px);text-decoration:none;color:var(--green);}
.dl-btn .dl-small{font-size:12px;font-weight:400;color:var(--muted);}
.dl-notice{margin-top:22px;font-size:13px;color:var(--muted);}
/* 页脚 */
.site-footer{background:var(--topbar);color:rgba(255,255,255,.65);padding:56px 0 0;font-size:13px;line-height:1.8;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;padding-bottom:40px;}
.footer-brand .logo-text{margin-bottom:12px;}
.footer-brand .logo-main{color:#fff;font-size:18px;font-weight:700;}
.footer-brand .logo-sub{color:rgba(255,255,255,.55);font-size:12px;}
.footer-brand p{margin:0;color:rgba(255,255,255,.62);font-size:13px;}
.footer-col h4{color:#fff;font-size:14px;font-weight:600;margin-bottom:14px;}
.footer-col ul li{margin-bottom:8px;}
.footer-col p{color:rgba(255,255,255,.55);margin-bottom:10px;font-size:13px;}
.footer-col a{color:rgba(255,255,255,.65);font-size:13px;}
.footer-col a:hover{color:#fff;text-decoration:none;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:18px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:13px;color:rgba(255,255,255,.5);
}
@media (max-width:1024px){
  .nav-menu{display:none;}
  .burger{display:inline-flex;}
  .nav-actions .btn-ghost{display:none;}
  .pick-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .rank-wrap{grid-template-columns:1fr;gap:0;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px;}
  .dl-band{grid-template-columns:1fr;}
  .sub-band{grid-template-columns:1fr;gap:18px;}
  .sub-form input{min-width:0;flex:1;}
}
@media (max-width:768px){
  .container{padding:0 20px;}
  .sec{padding:48px 0;}
  .cat-head{padding:28px 0 24px;}
  .pick-grid{grid-template-columns:1fr;}
  .topic-grid{grid-template-columns:1fr;}
  .post-row-link{grid-template-columns:76px minmax(0,1fr) 20px;gap:14px;padding:18px 8px;}
  .post-title{font-size:16.5px;}
  .sub-form{flex-direction:column;align-items:stretch;}
  .sub-form .btn{width:100%;}
  .dl-actions{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:6px;}
  .topbar{height:auto;padding:8px 0;font-size:12px;}
  .topbar .container{flex-wrap:wrap;gap:6px;}
  .topbar-links a:nth-child(2){display:none;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .sec{padding:40px 0;}
  .nav-inner{height:62px;gap:12px;}
  .logo-main{font-size:16px;}
  .logo-sub{font-size:11px;}
  .post-row-link{grid-template-columns:1fr;gap:10px;padding:16px 6px;}
  .post-date{flex-direction:row;justify-content:flex-start;gap:8px;padding:6px 10px;width:max-content;}
  .post-arrow{display:none;}
  .footer-grid{grid-template-columns:1fr;}
  .sub-band{padding:22px 18px;}
  .dl-band{padding:22px 18px;}
  .btn{width:100%;}
  .nav-actions .btn{padding:9px 14px;font-size:13px;width:auto;}
  .breadcrumb{font-size:12px;}
}