/* roulang page: index */
:root{
  --c-primary:#1C5C50;
  --c-primary-dark:#14463D;
  --c-primary-soft:#E3EFEA;
  --c-accent:#D97642;
  --c-accent-soft:#FBE7DA;
  --c-ink:#1A2321;
  --c-ink-2:#5A6663;
  --c-ink-3:#8C9694;
  --c-line:#E3DED5;
  --c-bg:#F7F4EE;
  --c-bg-2:#FFFFFF;
  --c-bg-dark:#12211E;
  --r-card:16px;
  --r-sm:12px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(20,30,28,.06);
  --sh-2:0 14px 30px -18px rgba(20,30,28,.28);
  --mono:"SF Mono","JetBrains Mono",ui-monospace,Menlo,Consolas,monospace;
  --section-gap:80px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:17px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease-out;}
a:hover{color:var(--c-primary-dark);text-decoration:underline;text-decoration-thickness:2px;}
button{font-family:inherit;}
h1,h2,h3,h4,h5,h6{margin:0;color:var(--c-ink);line-height:1.3;letter-spacing:.01em;font-weight:700;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
figure{margin:0;}
input,textarea,select{font-family:inherit;font-size:16px;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}

/* Foundation 默认样式覆盖 */
body,.grid-container{font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;}
.grid-container{max-width:1200px;padding-left:24px;padding-right:24px;}
.grid-x{--xy-gutter:24px;}
.grid-x>.cell{padding-left:12px;padding-right:12px;}
.grid-x{margin-left:-12px;margin-right:-12px;}
h1{font-size:44px;}
h2{font-size:32px;margin-top:0;margin-bottom:20px;}
h3{font-size:22px;font-weight:600;margin-top:0;margin-bottom:14px;}
.button{text-transform:none;letter-spacing:0;border-radius:var(--r-btn);font-weight:600;}
.menu{align-items:center;}
.menu a{padding:0;}
.label{border-radius:999px;background:var(--c-primary-soft);color:var(--c-primary);font-size:13px;padding:6px 12px;}
.callout{border-radius:var(--r-sm);border:1px dashed rgba(28,92,80,.35);background:rgba(28,92,80,.05);color:var(--c-ink-2);}
table{border-collapse:collapse;width:100%;}

/* 结构容器 */
.hbar{max-width:1200px;margin:0 auto;padding:0 24px;display:flex;align-items:center;gap:18px;width:100%;}
.section{padding:var(--section-gap) 0;}
.section--tight{padding:56px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap;}
.section-head p{margin:6px 0 0;color:var(--c-ink-2);font-size:15px;}
.section-link{font-size:15px;font-weight:600;white-space:nowrap;}
.section-link::after{content:"→";margin-left:6px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--c-accent);font-weight:600;letter-spacing:.06em;margin-bottom:12px;}
.eyebrow::before{content:"";width:18px;height:3px;background:var(--c-accent);border-radius:2px;}

/* 双层吸顶导航 */
.site-header{position:sticky;top:0;z-index:60;background:var(--c-bg);border-bottom:1px solid var(--c-line);transition:box-shadow .18s ease-out;}
.site-header.is-compact{display:flex;align-items:center;height:58px;box-shadow:0 6px 18px -14px rgba(20,30,28,.45);}
.brandbar{height:44px;border-bottom:1px solid var(--c-line);background:var(--c-bg);}
.brandbar .hbar{gap:14px;}
.channelbar{height:48px;background:var(--c-bg-2);}
.channelbar .hbar{gap:24px;}
.logo{display:inline-flex;align-items:center;gap:9px;font-size:17px;font-weight:700;color:var(--c-ink);text-decoration:none;white-space:nowrap;}
.logo:hover{color:var(--c-primary);text-decoration:none;}
.logo-mark{width:14px;height:14px;border-radius:4px;background:var(--c-primary);box-shadow:6px 6px 0 -3px var(--c-accent);}
.brand-note{font-size:12.5px;color:var(--c-ink-3);margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1;min-width:0;}
.brandbar-right{margin-left:auto;display:flex;align-items:center;gap:10px;}
.search-form{display:flex;align-items:center;background:var(--c-bg-2);border:1px solid var(--c-line);border-radius:999px;padding:0 6px 0 14px;height:32px;}
.search-form input{border:none;background:transparent;height:30px;font-size:13.5px;width:150px;outline:none;color:var(--c-ink);}
.search-form button{border:none;background:var(--c-primary);color:#fff;font-size:13px;height:24px;border-radius:999px;padding:0 12px;cursor:pointer;transition:background .18s ease-out;}
.search-form button:hover{background:var(--c-primary-dark);}
.trend-link{font-size:13px;color:var(--c-ink-2);padding:4px 2px;white-space:nowrap;}
.trend-link:hover{color:var(--c-primary);}
.hamburger{display:none;width:36px;height:32px;border:1px solid var(--c-line);border-radius:8px;background:var(--c-bg-2);cursor:pointer;position:relative;}
.hamburger span{position:absolute;left:9px;width:16px;height:2px;background:var(--c-ink);border-radius:2px;transition:transform .18s ease-out,opacity .18s ease-out;}
.hamburger span:nth-child(1){top:10px;}
.hamburger span:nth-child(2){top:15px;}
.hamburger span:nth-child(3){top:20px;}
.channel-nav{display:flex;align-items:center;gap:26px;}
.channel-nav a{position:relative;font-size:15px;color:var(--c-ink-2);padding:13px 0;text-decoration:none;white-space:nowrap;transition:color .18s ease-out;}
.channel-nav a::after{content:"";position:absolute;left:0;right:0;bottom:6px;height:3px;border-radius:2px;background:transparent;transition:background .18s ease-out;}
.channel-nav a:hover{color:var(--c-primary);}
.channel-nav a.active{color:var(--c-ink);font-weight:700;}
.channel-nav a.active::after{background:var(--c-primary);}
.tag-scroll{margin-left:auto;display:flex;align-items:center;gap:8px;overflow-x:auto;max-width:52%;scrollbar-width:none;}
.tag-scroll::-webkit-scrollbar{display:none;}
.tag-pill{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;border:1px solid var(--c-line);background:var(--c-bg-2);font-size:13px;color:var(--c-ink-2);white-space:nowrap;text-decoration:none;}
.tag-pill:hover{border-color:rgba(28,92,80,.4);color:var(--c-primary);background:var(--c-primary-soft);text-decoration:none;}
.site-header.is-compact .brandbar{height:auto;border:none;padding:0 0 0 24px;background:transparent;flex:0 0 auto;}
.site-header.is-compact .channelbar{height:auto;flex:1 1 auto;background:transparent;padding:0 24px 0 0;overflow:hidden;}
.site-header.is-compact .brandbar .hbar,
.site-header.is-compact .channelbar .hbar{max-width:none;padding:0;width:auto;}
.site-header.is-compact .channelbar .hbar{justify-content:flex-end;}
.site-header.is-compact .brand-note,
.site-header.is-compact .tag-scroll,
.site-header.is-compact .trend-link{display:none;}
.site-header.is-compact .channel-nav a{padding:8px 0;}
.site-header.is-compact .channel-nav a::after{bottom:0;}

/* 移动抽屉 */
.drawer{position:fixed;inset:0;z-index:120;display:none;background:var(--c-bg);padding:20px 20px 40px;overflow-y:auto;}
.drawer.is-open{display:block;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;}
.drawer-close{width:38px;height:38px;border:1px solid var(--c-line);border-radius:10px;background:var(--c-bg-2);font-size:18px;color:var(--c-ink);cursor:pointer;line-height:1;}
.drawer-group{margin-bottom:28px;}
.drawer-group h4{font-size:13px;color:var(--c-ink-3);letter-spacing:.08em;font-weight:600;margin-bottom:10px;}
.drawer-group a{display:flex;align-items:center;min-height:48px;padding:0 14px;border-radius:12px;background:var(--c-bg-2);border:1px solid var(--c-line);color:var(--c-ink);font-size:16px;margin-bottom:8px;text-decoration:none;}
.drawer-group a:hover{border-color:rgba(28,92,80,.4);color:var(--c-primary);}
.drawer-tags{display:flex;flex-wrap:wrap;gap:8px;}
.drawer-tags a{min-height:36px;padding:0 14px;border-radius:999px;font-size:14px;background:var(--c-bg-2);border:1px solid var(--c-line);color:var(--c-ink-2);display:inline-flex;align-items:center;text-decoration:none;}
body.no-scroll{overflow:hidden;}

/* Hero */
.hero{padding:64px 0 72px;position:relative;overflow:hidden;}
.hero::after{content:"";position:absolute;right:-120px;top:120px;width:420px;height:280px;background:rgba(28,92,80,.06);border-radius:120px;z-index:0;}
.hero .grid-x{position:relative;z-index:1;}
.hero-badge{display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 14px;border-radius:999px;background:var(--c-accent-soft);color:#9A4A1E;font-size:13px;font-weight:600;margin-bottom:20px;}
.hero h1{font-size:44px;line-height:1.28;letter-spacing:.01em;margin-bottom:18px;}
.hero-sub{font-size:17px;color:var(--c-ink-2);margin-bottom:28px;max-width:560px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:34px;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:var(--r-btn);font-size:16px;font-weight:600;border:1px solid transparent;cursor:pointer;text-decoration:none;transition:background .18s ease-out,color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;}
.btn-primary{background:var(--c-primary);color:#fff;}
.btn-primary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-1px);text-decoration:none;box-shadow:var(--sh-2);}
.btn-primary:active{transform:none;}
.btn-ghost{background:var(--c-bg-2);color:var(--c-primary);border-color:rgba(28,92,80,.45);}
.btn-ghost:hover{background:var(--c-primary-soft);color:var(--c-primary-dark);text-decoration:none;}
.btn-dark{background:var(--c-bg-dark);color:#E6EFEB;}
.btn-dark:hover{background:#0C1916;color:#fff;text-decoration:none;}
.btn-sm{height:40px;font-size:14.5px;padding:0 18px;}
.hero-stats{display:flex;gap:36px;flex-wrap:wrap;}
.hero-stat strong{display:block;font-family:var(--mono);font-size:26px;color:var(--c-accent);line-height:1.2;}
.hero-stat span{font-size:13px;color:var(--c-ink-3);}
.hero-media{position:relative;}
.hero-cover{width:100%;height:380px;object-fit:cover;border-radius:var(--r-card);position:relative;z-index:1;}
.hero-media::after{content:"";position:absolute;inset:0;border-radius:var(--r-card);background:rgba(28,92,80,.12);z-index:2;}
.swatch-row{display:flex;gap:6px;margin-top:20px;}
.swatch{width:10px;border-radius:4px;}
.swatch:nth-child(1){height:96px;background:var(--c-primary);}
.swatch:nth-child(2){height:84px;background:#2E7A6A;}
.swatch:nth-child(3){height:72px;background:var(--c-accent);}
.swatch:nth-child(4){height:60px;background:#D9B48F;}
.swatch:nth-child(5){height:48px;background:#BFC9C5;}

/* 热词横滚 */
.hotwords{padding:22px 0;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);background:var(--c-bg-2);}
.hotwords-row{display:flex;align-items:center;gap:10px;overflow-x:auto;scrollbar-width:none;}
.hotwords-row::-webkit-scrollbar{display:none;}
.hotwords-label{font-size:13px;color:var(--c-ink-3);white-space:nowrap;}

/* 合集目录 */
.collection-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.collection-card{background:var(--c-bg-2);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;display:flex;flex-direction:column;min-height:280px;box-shadow:var(--sh-1);transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;}
.collection-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(28,92,80,.3);}
.collection-media{position:relative;overflow:hidden;aspect-ratio:16/9;}
.collection-media img{width:100%;height:100%;object-fit:cover;transition:transform .2s ease-out;}
.collection-card:hover .collection-media img{transform:scale(1.03);}
.collection-num{position:absolute;left:12px;top:12px;font-family:var(--mono);font-size:13px;background:rgba(18,33,30,.82);color:#F2E7DC;border-radius:8px;padding:3px 9px;letter-spacing:.06em;}
.collection-body{padding:20px;display:flex;flex-direction:column;flex:1;gap:10px;}
.collection-body h3{font-size:19px;margin:0;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.collection-body p{margin:0;font-size:14.5px;color:var(--c-ink-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.collection-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--c-ink-3);border-top:1px solid var(--c-line);padding-top:12px;}
.collection-foot .arrow{color:var(--c-accent);font-weight:700;}

/* 最新信息 CMS 区 */
.news-layout{display:grid;grid-template-columns:8fr 4fr;gap:32px;align-items:start;}
.news-list{border-top:1px solid var(--c-line);}
.news-item{display:grid;grid-template-columns:160px 1fr;gap:20px;padding:20px 0;border-bottom:1px solid var(--c-line);transition:padding-left .18s ease-out;}
.news-item:hover{padding-left:10px;}
.news-item::before{content:none;}
.news-thumb{display:block;border-radius:var(--r-sm);overflow:hidden;aspect-ratio:16/10;background:var(--c-primary-soft);}
.news-thumb img{width:100%;height:100%;object-fit:cover;}
.news-body h3{font-size:19px;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-body h3 a{color:var(--c-ink);text-decoration:none;}
.news-item:hover .news-body h3 a{color:var(--c-primary);}
.news-summary{font-size:14.5px;color:var(--c-ink-2);margin:0 0 10px;line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--c-ink-3);}
.badge{display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:999px;background:var(--c-primary-soft);color:var(--c-primary);font-size:13px;font-weight:600;}
.badge-accent{background:var(--c-accent-soft);color:#9A4A1E;}
.empty-callout{border:1px dashed rgba(28,92,80,.4);background:rgba(28,92,80,.05);border-radius:var(--r-sm);padding:32px;text-align:center;color:var(--c-ink-2);}
.empty-callout p{margin:0 0 14px;}
.sidebar{display:flex;flex-direction:column;gap:24px;}
.side-block{background:var(--c-bg-2);border:1px solid var(--c-line);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-1);}
.side-block h3{font-size:16px;margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid var(--c-line);}
.side-list li{padding:10px 0;border-bottom:1px dashed var(--c-line);}
.side-list li:last-child{border-bottom:none;padding-bottom:0;}
.side-list a{font-size:14.5px;color:var(--c-ink-2);display:block;line-height:1.65;}
.side-list a:hover{color:var(--c-primary);}
.side-list .side-num{font-family:var(--mono);font-size:12px;color:var(--c-accent);margin-right:8px;}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px;}

/* 精选条目 */
.featured-layout{display:grid;grid-template-columns:6fr 6fr;gap:32px;align-items:stretch;}
.featured-main{background:var(--c-bg-2);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--sh-1);transition:box-shadow .2s ease-out,transform .2s ease-out;}
.featured-main:hover{box-shadow:var(--sh-2);transform:translateY(-3px);}
.featured-main img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.featured-main .featured-body{padding:24px;display:flex;flex-direction:column;gap:12px;}
.featured-main h3{font-size:24px;margin:0;}
.featured-main p{margin:0;color:var(--c-ink-2);font-size:15px;}
.featured-side{display:flex;flex-direction:column;gap:0;border-top:1px solid var(--c-line);}
.mini-item{display:grid;grid-template-columns:44px 1fr;gap:14px;padding:18px 0;border-bottom:1px solid var(--c-line);align-items:start;transition:padding-left .18s ease-out;}
.mini-item:hover{padding-left:10px;}
.mini-num{font-family:var(--mono);font-size:14px;color:var(--c-accent);padding-top:3px;}
.mini-item h4{font-size:17px;font-weight:600;margin:0 0 6px;line-height:1.5;}
.mini-item h4 a{color:var(--c-ink);text-decoration:none;}
.mini-item h4 a:hover{color:var(--c-primary);}
.mini-item span{font-size:13px;color:var(--c-ink-3);}

/* 数据条 */
.stats-bar{background:var(--c-bg-dark);padding:44px 0;}
.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;text-align:center;}
.stat strong{display:block;font-family:var(--mono);font-size:34px;color:#F0E3D6;line-height:1.2;}
.stat span{font-size:13.5px;color:#9FB0AA;}

/* FAQ */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{background:var(--c-bg-2);border:1px solid var(--c-line);border-radius:var(--r-sm);margin-bottom:12px;overflow:hidden;transition:border-color .18s ease-out,background .18s ease-out;}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:52px;padding:0 20px;background:transparent;border:none;text-align:left;font-size:16.5px;font-weight:600;color:var(--c-ink);cursor:pointer;}
.faq-arrow{width:12px;height:12px;border-right:2px solid var(--c-ink-3);border-bottom:2px solid var(--c-ink-3);transform:rotate(45deg);transition:transform .18s ease-out;flex:0 0 auto;}
.faq-item.is-open{border-color:rgba(28,92,80,.35);background:rgba(28,92,80,.05);box-shadow:inset 3px 0 0 var(--c-primary);}
.faq-item.is-open .faq-arrow{transform:rotate(-135deg);border-color:var(--c-primary);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease-out,padding .22s ease-out;}
.faq-item.is-open .faq-a{max-height:460px;padding:0 20px 20px;}
.faq-a p{margin:0;font-size:15.5px;color:var(--c-ink-2);line-height:1.85;}

/* 相关推荐 */
.related-tags{margin-bottom:32px;}
.mini-card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
.mini-card{display:flex;align-items:center;justify-content:space-between;gap:14px;background:var(--c-bg-2);border:1px solid var(--c-line);border-radius:var(--r-sm);padding:16px 18px;box-shadow:var(--sh-1);transition:border-color .18s ease-out,transform .18s ease-out;}
.mini-card:hover{border-color:rgba(28,92,80,.35);transform:translateY(-2px);}
.mini-card a{font-size:15.5px;font-weight:600;color:var(--c-ink);text-decoration:none;}
.mini-card a:hover{color:var(--c-primary);}
.mini-card span{font-size:12.5px;color:var(--c-ink-3);white-space:nowrap;}

/* CTA */
.cta-band{background:var(--c-primary);border-radius:var(--r-card);padding:40px;display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center;color:#EAF4F0;position:relative;overflow:hidden;}
.cta-band::after{content:"";position:absolute;right:-80px;bottom:-120px;width:320px;height:320px;border-radius:50%;background:rgba(255,255,255,.06);}
.cta-text h2{color:#fff;margin-bottom:12px;font-size:28px;}
.cta-text p{margin:0;font-size:15px;color:#CDE2DB;}
.cta-form{display:flex;gap:12px;flex-wrap:wrap;align-items:flex-start;position:relative;z-index:1;}
.field{flex:1 1 220px;display:flex;flex-direction:column;gap:6px;}
.field label{font-size:13px;color:#BFD8D0;}
.field input{height:48px;border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.3);background:rgba(255,255,255,.12);color:#fff;padding:0 14px;outline:none;transition:border-color .18s ease-out,box-shadow .18s ease-out;}
.field input::placeholder{color:rgba(255,255,255,.6);}
.field input:focus{border-color:#fff;box-shadow:0 0 0 2px rgba(255,255,255,.25);}
.cta-form .btn-light{background:#fff;color:var(--c-primary);height:48px;padding:0 26px;border-radius:var(--r-btn);border:none;font-weight:600;cursor:pointer;transition:background .18s ease-out,transform .18s ease-out;}
.cta-form .btn-light:hover{background:var(--c-primary-soft);transform:translateY(-1px);}
.form-note{font-size:12.5px;color:#BFD8D0;margin-top:10px;}

/* 页脚 */
.site-footer{background:var(--c-bg-dark);color:#C9D3CF;padding:64px 0 0;margin-top:80px;}
.footer-cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.4fr;gap:32px;}
.footer-brand .logo{color:#fff;font-size:18px;}
.footer-brand p{font-size:14px;color:#9FB0AA;margin:16px 0 0;line-height:1.85;}
.footer-keyword{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;background:rgba(255,255,255,.08);color:#DCE6E2;font-size:13px;margin-top:16px;}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:16px;letter-spacing:.04em;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:#A9B8B2;text-decoration:none;}
.footer-col a:hover{color:#7FD3BE;text-decoration:none;}
.footer-form{display:flex;flex-direction:column;gap:10px;margin-top:6px;}
.footer-form input{height:44px;border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.06);color:#fff;padding:0 14px;outline:none;}
.footer-form input::placeholder{color:rgba(255,255,255,.45);}
.footer-form input:focus{border-color:#7FD3BE;}
.footer-form button{height:44px;border-radius:var(--r-btn);border:none;background:var(--c-primary);color:#fff;font-weight:600;cursor:pointer;transition:background .18s ease-out;}
.footer-form button:hover{background:#2A7A69;}
.footer-bottom{margin-top:48px;border-top:1px solid rgba(255,255,255,.08);height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:13px;color:#8C9B96;flex-wrap:wrap;padding:12px 0;}
.footer-bottom a{color:#A9B8B2;}
.footer-bottom a:hover{color:#7FD3BE;}

/* 响应式 */
@media (max-width:1024px){
  .collection-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .news-layout{grid-template-columns:1fr;}
  .featured-layout{grid-template-columns:1fr;}
  .footer-cols{grid-template-columns:repeat(2,minmax(0,1fr));}
  .tag-scroll{max-width:34%;}
  .search-form input{width:110px;}
}
@media (max-width:768px){
  h1{font-size:32px;}
  h2{font-size:26px;}
  .hero h1{font-size:32px;}
  .hero{padding:40px 0 48px;}
  .section{padding:48px 0;}
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-band{grid-template-columns:1fr;padding:28px;}
  .mini-card-grid{grid-template-columns:1fr;}
  .grid-container{padding-left:16px;padding-right:16px;}
  .hbar{padding:0 16px;}
}
@media (max-width:640px){
  body{font-size:16px;}
  .brand-note,.search-form,.trend-link{display:none;}
  .channelbar{display:none;}
  .hamburger{display:block;}
  .hero-cover{height:220px;}
  .hero-media{margin-top:28px;}
  .collection-grid{grid-template-columns:1fr;}
  .news-item{grid-template-columns:1fr;}
  .news-thumb{aspect-ratio:16/9;}
  .news-item:hover{padding-left:0;}
  .mini-item:hover{padding-left:0;}
  .stats-grid{grid-template-columns:1fr;}
  .footer-cols{grid-template-columns:1fr;}
  .hero-stats{gap:24px;}
  .faq-q{font-size:15.5px;padding:0 16px;}
  .faq-item.is-open .faq-a{padding:0 16px 18px;}
  .swatch:nth-child(1){height:64px;}
  .swatch:nth-child(2){height:58px;}
  .swatch:nth-child(3){height:52px;}
  .swatch:nth-child(4){height:46px;}
  .swatch:nth-child(5){height:40px;}
}
@media (min-width:1440px){
  .grid-container,.hbar{max-width:1280px;}
}

/* roulang page: article */
:root{
  --c-primary:#1C5C50;
  --c-primary-dark:#14463D;
  --c-primary-soft:#E3EFEA;
  --c-accent:#D97642;
  --c-accent-soft:#FBE7DA;
  --c-ink:#1A2321;
  --c-ink-2:#5A6663;
  --c-ink-3:#8C9694;
  --c-line:#E3DED5;
  --c-bg:#F7F4EE;
  --c-bg-2:#FFFFFF;
  --c-bg-dark:#12211E;
  --r-card:16px;
  --r-sm:12px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,30,28,.06);
  --sh-2:0 14px 30px -18px rgba(20,30,28,.28);
  --w-max:1200px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:17px;
  line-height:1.9;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
h1,h2,h3,h4,h5,h6{
  margin:0;
  font-family:inherit;
  color:var(--c-ink);
  line-height:1.3;
  letter-spacing:.01em;
  font-weight:700;
}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease-out}
a:hover{color:var(--c-primary-dark);text-decoration:underline}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
button{font-family:inherit;cursor:pointer;border:0;background:none}
table{border-collapse:collapse;width:100%}
.grid-container{max-width:var(--w-max);margin:0 auto;padding-left:24px;padding-right:24px}
@media screen and (min-width:1440px){.grid-container{max-width:1280px}}

/* ---------- Foundation 覆盖 ---------- */
.button{
  text-transform:none;
  letter-spacing:0;
  border-radius:var(--r-btn);
  font-family:inherit;
  font-size:15px;
  padding:12px 22px;
  margin:0;
  transition:background-color .18s ease-out,color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out;
}
.button.primary{background:var(--c-primary);color:#fff}
.button.primary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-1px)}
.button.primary:active{transform:translateY(0)}
.button.hollow{border:1px solid var(--c-primary);color:var(--c-primary);background:transparent}
.button.hollow:hover{background:var(--c-primary-soft);color:var(--c-primary-dark);border-color:var(--c-primary-dark)}
.label{
  display:inline-block;
  background:var(--c-primary-soft);
  color:var(--c-primary);
  font-size:13px;
  line-height:1;
  padding:7px 10px;
  border-radius:var(--r-pill);
  font-weight:500;
}
.breadcrumbs{border:0;padding:0;margin:0;background:none}
.breadcrumbs::before,.breadcrumbs::after{content:'';display:none}
.breadcrumbs li{font-size:13px;color:var(--c-ink-3);text-transform:none;letter-spacing:0}
.breadcrumbs li a{color:var(--c-ink-3);text-decoration:none}
.breadcrumbs li a:hover{color:var(--c-primary)}
.breadcrumbs li.current,.breadcrumbs li.current a{color:var(--c-primary);font-weight:500}
.breadcrumbs li:not(:last-child)::after{content:'/';color:var(--c-ink-3);margin:0 8px}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:var(--c-bg-2);
  border-bottom:1px solid var(--c-line);
  box-shadow:0 1px 2px rgba(20,30,28,.05);
  transition:box-shadow .18s ease-out;
}
.site-header.is-compact{box-shadow:0 6px 18px -14px rgba(20,30,28,.4)}
.brand-bar{
  height:44px;
  display:flex;
  align-items:center;
  gap:20px;
  transition:height .18s ease-out;
}
.site-header.is-compact .brand-bar{height:38px}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:700;
  color:var(--c-ink);
  letter-spacing:.02em;
  white-space:nowrap;
  text-decoration:none;
}
.logo:hover{color:var(--c-ink);text-decoration:none}
.logo-mark{
  width:22px;height:22px;
  border-radius:6px;
  background:var(--c-primary);
  position:relative;
  flex:0 0 auto;
}
.logo-mark::after{
  content:'';
  position:absolute;
  right:-4px;bottom:-4px;
  width:11px;height:11px;
  border-radius:3px;
  background:var(--c-accent);
}
.brand-note{
  font-size:13px;
  color:var(--c-ink-3);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
  max-width:520px;
  transition:opacity .18s ease-out;
}
.site-header.is-compact .brand-note{opacity:0;pointer-events:none}
.brand-tools{margin-left:auto;display:flex;align-items:center;gap:6px}
.tool-link{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-size:13px;
  color:var(--c-ink-2);
  padding:7px 12px;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  text-decoration:none;
  transition:all .18s ease-out;
}
.tool-link:hover{color:var(--c-primary);border-color:var(--c-line);background:var(--c-bg);text-decoration:none}
.tool-link i{font-size:13px}
.channel-bar{
  height:48px;
  display:flex;
  align-items:center;
  gap:8px;
  border-top:1px solid var(--c-line);
  overflow:hidden;
  transition:height .18s ease-out;
}
.site-header.is-compact .channel-bar{height:42px}
.channel-bar{overflow-x:auto;scrollbar-width:none}
.channel-bar::-webkit-scrollbar{display:none}
.channel-nav{display:flex;align-items:center;gap:26px;flex:0 0 auto}
.channel-nav a{
  position:relative;
  display:inline-block;
  font-size:15px;
  color:var(--c-ink-2);
  padding:13px 0;
  white-space:nowrap;
  text-decoration:none;
  transition:color .18s ease-out;
}
.channel-nav a:hover{color:var(--c-primary);text-decoration:none}
.channel-nav a.active{color:var(--c-ink);font-weight:600}
.channel-nav a.active::after{
  content:'';
  position:absolute;
  left:0;right:0;bottom:6px;
  height:3px;
  border-radius:2px;
  background:var(--c-primary);
}
.hot-tags{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:8px;
  flex:0 0 auto;
  padding-left:24px;
}
.hot-tags span{font-size:12px;color:var(--c-ink-3);white-space:nowrap}
.tag-pill{
  display:inline-block;
  height:26px;
  line-height:24px;
  padding:0 12px;
  border-radius:var(--r-pill);
  border:1px solid var(--c-line);
  font-size:13px;
  color:var(--c-ink-2);
  background:var(--c-bg-2);
  white-space:nowrap;
  text-decoration:none;
  transition:all .18s ease-out;
}
.tag-pill:hover{border-color:var(--c-primary);color:var(--c-primary);text-decoration:none}
.nav-toggle{
  display:none;
  width:38px;height:38px;
  border-radius:var(--r-btn);
  border:1px solid var(--c-line);
  color:var(--c-ink);
  font-size:16px;
  align-items:center;
  justify-content:center;
}
/* 移动抽屉 */
.nav-drawer{
  position:fixed;
  inset:0;
  z-index:120;
  background:var(--c-bg-2);
  padding:20px 20px 40px;
  display:none;
  overflow-y:auto;
}
.nav-drawer.open{display:block}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-close{width:38px;height:38px;border-radius:var(--r-btn);border:1px solid var(--c-line);font-size:16px;color:var(--c-ink)}
.drawer-group{margin-bottom:26px}
.drawer-group h4{font-size:13px;color:var(--c-ink-3);font-weight:500;margin-bottom:10px;letter-spacing:.06em}
.drawer-group a{
  display:flex;
  align-items:center;
  min-height:48px;
  font-size:16px;
  color:var(--c-ink);
  border-bottom:1px solid var(--c-line);
  text-decoration:none;
}
.drawer-group a:hover{color:var(--c-primary);text-decoration:none}
.drawer-group .tag-pill{height:32px;line-height:30px;margin:0 8px 8px 0;display:inline-block}

/* ---------- 面包屑 / 栏目标题 ---------- */
.crumb-wrap{
  background:var(--c-bg-2);
  border-bottom:1px solid var(--c-line);
}
.crumb-inner{min-height:40px;display:flex;align-items:center}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  padding:26px 0 18px;
  border-bottom:1px solid var(--c-line);
}
.section-head h2{font-size:24px}
.section-head .section-sub{font-size:14px;color:var(--c-ink-3);margin-top:6px}
.section-link{font-size:14px;white-space:nowrap}

/* ---------- 文章头 ---------- */
.article-hero{padding:32px 0 8px}
.article-hero h1{
  font-size:44px;
  line-height:1.3;
  margin:14px 0 18px;
  max-width:900px;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:16px;
  font-size:13px;
  color:var(--c-ink-3);
  padding-bottom:22px;
  border-bottom:1px solid var(--c-line);
}
.article-meta time{font-family:"SF Mono","JetBrains Mono",ui-monospace,monospace;color:var(--c-ink-2)}
.article-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--c-ink-3);display:inline-block}
.article-cover{
  margin:26px 0 0;
  border-radius:var(--r-card);
  overflow:hidden;
  background:var(--c-primary-soft);
}
.article-cover img{
  width:100%;
  aspect-ratio:21/9;
  object-fit:cover;
}
.article-cover figcaption{
  font-size:12px;
  color:var(--c-ink-3);
  text-align:center;
  padding:10px 0 0;
}

/* ---------- 正文布局 ---------- */
.article-layout{padding:44px 0 0}
.article-main{max-width:760px}
.article-body{font-size:17px;line-height:1.9;color:var(--c-ink)}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  font-size:24px;
  margin:40px 0 20px;
  padding-left:14px;
  border-left:4px solid var(--c-primary);
}
.article-body h3{font-size:20px;font-weight:600;margin:28px 0 14px}
.article-body h4{font-size:17px;margin:22px 0 10px;color:var(--c-primary-dark)}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:4px}
.article-body ul li,.article-body ol li{
  position:relative;
  line-height:1.85;
  padding-left:20px;
  margin-bottom:8px;
  list-style:none;
}
.article-body ul li::before{
  content:'';
  position:absolute;
  left:2px;top:12px;
  width:6px;height:6px;
  border-radius:50%;
  background:var(--c-primary);
}
.article-body ol{counter-reset:olc}
.article-body ol li{counter-increment:olc}
.article-body ol li::before{
  content:counter(olc);
  position:absolute;
  left:0;top:2px;
  font-size:13px;
  font-family:"SF Mono","JetBrains Mono",ui-monospace,monospace;
  color:var(--c-accent);
  font-weight:600;
}
.article-body blockquote{
  margin:24px 0;
  padding:18px 20px;
  background:var(--c-primary-soft);
  border-left:4px solid var(--c-primary);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  color:var(--c-ink-2);
  font-size:16px;
}
.article-body a{text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{font-weight:600}
.article-body img{border-radius:var(--r-sm);margin:22px 0;width:100%;object-fit:cover}
.article-body figure{margin:22px 0}
.article-body figcaption{font-size:12px;color:var(--c-ink-3);text-align:center;margin-top:8px}
.article-body table{
  margin:24px 0;
  font-size:15px;
  border:1px solid var(--c-line);
  border-radius:var(--r-sm);
  overflow:hidden;
}
.article-body th,.article-body td{
  border:1px solid var(--c-line);
  padding:12px 14px;
  text-align:left;
  line-height:1.7;
}
.article-body th{background:var(--c-primary-soft);color:var(--c-primary-dark);font-weight:600}
.article-body tbody tr:nth-child(even){background:rgba(227,222,213,.28)}
.article-body pre{
  margin:22px 0;
  padding:18px 20px;
  background:#12211E;
  color:#DCE6E2;
  border-radius:var(--r-btn);
  overflow-x:auto;
  font-size:14px;
  line-height:1.7;
  font-family:"SF Mono","JetBrains Mono",ui-monospace,monospace;
}
.article-body code{
  font-family:"SF Mono","JetBrains Mono",ui-monospace,monospace;
  font-size:.92em;
  background:var(--c-primary-soft);
  color:var(--c-primary-dark);
  padding:2px 6px;
  border-radius:6px;
}
.article-body pre code{background:none;color:inherit;padding:0}

/* ---------- 空态 ---------- */
.empty-state{
  background:rgba(28,92,80,.05);
  border:1px dashed var(--c-primary);
  border-radius:var(--r-sm);
  padding:44px 32px;
  text-align:center;
}
.empty-state p{color:var(--c-ink-2);margin-bottom:18px}

/* ---------- 侧栏 ---------- */
.article-side{position:sticky;top:96px}
.side-block{
  background:var(--c-bg-2);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:20px;
  box-shadow:var(--sh-1);
  margin-bottom:24px;
}
.side-block:last-child{margin-bottom:0}
.side-block h3{
  font-size:15px;
  font-weight:600;
  margin-bottom:14px;
  display:flex;
  align-items:center;
  gap:8px;
}
.side-block h3::before{
  content:'';
  width:3px;height:14px;
  border-radius:2px;
  background:var(--c-primary);
}
#toc-list{display:flex;flex-direction:column;gap:2px}
#toc-list a{
  display:block;
  font-size:14px;
  color:var(--c-ink-2);
  padding:7px 10px;
  border-left:2px solid transparent;
  border-radius:0 8px 8px 0;
  text-decoration:none;
  line-height:1.6;
  transition:all .18s ease-out;
}
#toc-list a:hover{background:var(--c-primary-soft);color:var(--c-primary);border-left-color:var(--c-accent)}
#toc-list a.toc-h3{padding-left:24px;font-size:13px;color:var(--c-ink-3)}
.side-rel{display:flex;flex-direction:column;gap:14px}
.side-rel a{
  display:flex;
  gap:12px;
  text-decoration:none;
  color:var(--c-ink);
  font-size:14px;
  line-height:1.6;
}
.side-rel a:hover{color:var(--c-primary);text-decoration:none}
.side-rel .rel-num{
  font-family:"SF Mono","JetBrains Mono",ui-monospace,monospace;
  font-size:13px;
  color:var(--c-accent);
  font-weight:600;
  flex:0 0 auto;
  padding-top:2px;
}
.side-tags{display:flex;flex-wrap:wrap;gap:8px}

/* ---------- 文末区块 ---------- */
.article-footer{padding:10px 0 0;max-width:760px}
.tag-row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  padding:26px 0;
  border-top:1px solid var(--c-line);
}
.tag-row .tag-label{font-size:13px;color:var(--c-ink-3);margin-right:4px}
.action-card{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  background:var(--c-primary-soft);
  border:1px solid rgba(28,92,80,.16);
  border-radius:var(--r-card);
  padding:24px 26px;
  margin-bottom:34px;
}
.action-card p{font-size:15px;color:var(--c-primary-dark);font-weight:500}
.action-card span{display:block;font-size:13px;color:var(--c-ink-2);font-weight:400;margin-top:4px}
.action-btns{display:flex;gap:12px;flex:0 0 auto}
.btn-ghost{
  border:1px solid var(--c-primary);
  color:var(--c-primary);
  background:transparent;
  border-radius:var(--r-btn);
  padding:11px 20px;
  font-size:15px;
  transition:all .18s ease-out;
}
.btn-ghost:hover{background:#fff;color:var(--c-primary-dark)}
.btn-solid{
  background:var(--c-primary);
  color:#fff;
  border-radius:var(--r-btn);
  padding:12px 22px;
  font-size:15px;
  transition:all .18s ease-out;
}
.btn-solid:hover{background:var(--c-primary-dark);transform:translateY(-1px)}
.btn-solid.on{background:var(--c-accent)}
.rel-title{
  font-size:18px;
  font-weight:700;
  margin-bottom:18px;
  display:flex;
  align-items:center;
  gap:10px;
}
.rel-title::after{content:'';flex:1;height:1px;background:var(--c-line)}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.rel-card{
  background:var(--c-bg-2);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  display:flex;
  flex-direction:column;
  text-decoration:none;
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.rel-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--sh-2);
  border-color:rgba(28,92,80,.3);
  text-decoration:none;
}
.rel-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.rel-card .rel-body{padding:16px 18px 20px}
.rel-card h4{font-size:15px;font-weight:600;line-height:1.5;color:var(--c-ink)}
.rel-card:hover h4{color:var(--c-primary)}
.rel-card p{font-size:13px;color:var(--c-ink-3);margin-top:8px}
.back-channel{
  text-align:center;
  padding:40px 0 70px;
}
.back-channel a{
  display:inline-flex;
  flex-direction:column;
  align-items:center;
  gap:6px;
  font-size:14px;
  color:var(--c-primary);
  text-decoration:none;
}
.back-channel a:hover{text-decoration:none;color:var(--c-primary-dark)}
.back-channel i{font-size:14px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-bg-dark);color:#C9D3CF;margin-top:0}
.footer-cols{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:32px;
  padding:64px 0 44px;
}
.footer-brand .logo{color:#fff}
.footer-brand p{font-size:14px;line-height:1.85;color:#A9B6B1;margin-top:16px;max-width:340px}
.footer-keyword{
  display:inline-block;
  margin-top:16px;
  font-size:13px;
  color:#8FA39C;
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-pill);
  padding:6px 14px;
}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:18px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{color:#A9B6B1;font-size:14px;text-decoration:none;transition:color .18s ease-out}
.footer-col ul li a:hover{color:#4FB79E;text-decoration:none}
.footer-form{display:flex;flex-direction:column;gap:10px}
.footer-form input{
  height:44px;
  border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.06);
  color:#fff;
  padding:0 14px;
  font-size:14px;
  margin:0;
  box-shadow:none;
}
.footer-form input::placeholder{color:#7E8D88}
.footer-form input:focus{border-color:#4FB79E;box-shadow:0 0 0 3px rgba(79,183,158,.18);background:rgba(255,255,255,.1)}
.footer-form button{
  height:44px;
  border-radius:var(--r-btn);
  background:var(--c-primary);
  color:#fff;
  font-size:15px;
  transition:background-color .18s ease-out;
}
.footer-form button:hover{background:#227064}
.footer-bottom{
  min-height:56px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:#8FA39C;
  border-top:1px solid rgba(255,255,255,.08);
  padding:14px 0;
}
.footer-bottom a{color:#8FA39C;text-decoration:none}
.footer-bottom a:hover{color:#4FB79E}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  .article-side{position:static;margin-top:44px}
  .article-main{max-width:none}
  .footer-cols{grid-template-columns:1fr 1fr;gap:32px}
  .article-hero h1{font-size:34px}
}
@media screen and (max-width:1023px) and (min-width:641px){
  .rel-grid{grid-template-columns:repeat(2,1fr)}
}
@media screen and (max-width:640px){
  body{font-size:16px;line-height:1.85}
  .grid-container{padding-left:16px;padding-right:16px}
  .brand-note,.hot-tags,.tool-link .tool-text{display:none}
  .nav-toggle{display:inline-flex}
  .channel-bar{display:none}
  .brand-bar{height:56px}
  .site-header.is-compact .brand-bar{height:56px}
  .article-hero{padding:20px 0 0}
  .article-hero h1{font-size:28px;margin:12px 0 14px}
  .article-cover img{aspect-ratio:16/9}
  .article-body{font-size:16px;line-height:1.85}
  .article-body h2{font-size:21px;margin:32px 0 16px}
  .article-body h3{font-size:18px}
  .article-body table{border:0}
  .article-body thead{display:none}
  .article-body tr{
    display:block;
    border:1px solid var(--c-line);
    border-radius:var(--r-sm);
    padding:12px 14px;
    margin-bottom:12px;
    background:var(--c-bg-2);
  }
  .article-body td{display:block;border:0;padding:4px 0}
  .article-body td::before{
    content:attr(data-th);
    display:block;
    font-size:12px;
    color:var(--c-ink-3);
  }
  .action-card{flex-direction:column;align-items:stretch;gap:16px;padding:20px}
  .action-btns{display:grid;grid-template-columns:1fr 1fr;gap:12px}
  .btn-ghost,.btn-solid{width:100%;text-align:center}
  .rel-grid{grid-template-columns:1fr}
  .footer-cols{grid-template-columns:1fr;gap:30px;padding:44px 0 32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px}
}

/* roulang page: category1 */
:root{
  --c-primary:#1C5C50;
  --c-primary-dark:#14463D;
  --c-primary-soft:#E3EFEA;
  --c-accent:#D97642;
  --c-accent-soft:#FBE7DA;
  --c-ink:#1A2321;
  --c-ink-2:#5A6663;
  --c-ink-3:#8C9694;
  --c-line:#E3DED5;
  --c-bg:#F7F4EE;
  --c-bg-2:#FFFFFF;
  --c-bg-dark:#12211E;
  --r-card:16px;
  --r-sm:12px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(20,30,28,.06);
  --sh-2:0 14px 30px -18px rgba(20,30,28,.28);
  --gap-block:80px;
  --font-sans:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  --font-mono:"SF Mono","JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,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:17px;line-height:1.9;
  color:var(--c-ink);background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
body.drawer-open{overflow:hidden}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease-out}
a:hover{color:var(--c-primary-dark);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:3px}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
h1,h2,h3,h4,h5,h6{font-family:var(--font-sans);color:var(--c-ink);font-weight:700;line-height:1.3;letter-spacing:.01em;margin:0}
h1{font-size:44px}
h2{font-size:32px;margin:56px 0 20px}
h3{font-size:22px;font-weight:600;margin:32px 0 14px}
h4{font-size:17px;font-weight:600}
p{margin:0 0 1.2em}
p:last-child{margin-bottom:0}
ul,ol{margin:0 0 1.2em;padding-left:1.1em;line-height:1.85}
li{margin-bottom:6px}
figure{margin:0}
hr{border:0;border-top:1px solid var(--c-line);margin:32px 0}
/* Foundation 覆盖 */
.grid-container{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
.grid-x{margin-left:-12px;margin-right:-12px}
.grid-x>.cell{padding-left:12px;padding-right:12px}
.button,button,input[type="submit"]{text-transform:none;letter-spacing:0}
.menu{margin:0}
.breadcrumbs{margin:0}
.callout{margin:0;border-radius:var(--r-sm)}
table{border-collapse:collapse;width:100%}
@media (min-width:1440px){.grid-container{max-width:1280px}}
/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;font-family:var(--font-sans);
  border:1px solid transparent;cursor:pointer;
  transition:background-color .18s ease-out,color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
  white-space:nowrap;
}
.btn-primary{background:var(--c-primary);color:#fff;border-color:var(--c-primary)}
.btn-primary:hover,.btn-primary:focus{background:var(--c-primary-dark);border-color:var(--c-primary-dark);color:#fff;text-decoration:none;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:transparent;color:var(--c-primary);border-color:var(--c-primary)}
.btn-outline:hover,.btn-outline:focus{background:var(--c-primary-soft);color:var(--c-primary-dark);text-decoration:none;transform:translateY(-1px)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.btn-ghost:hover,.btn-ghost:focus{background:rgba(255,255,255,.14);color:#fff;text-decoration:none}
.btn-sm{height:40px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
/* 徽章 / 标签 */
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:999px;
  background:var(--c-primary-soft);color:var(--c-primary);font-size:13px;line-height:1;font-weight:600;
}
.badge-accent{background:var(--c-accent-soft);color:#A9502A}
.pill{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;
  border:1px solid var(--c-line);background:var(--c-bg-2);color:var(--c-ink-2);
  font-size:13px;line-height:1;white-space:nowrap;transition:border-color .18s ease-out,color .18s ease-out,background-color .18s ease-out;
}
.pill:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-soft);text-decoration:none}
.pill.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff}
/* 站点头部 */
.site-header{
  position:sticky;top:0;z-index:60;background:var(--c-bg-2);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .18s ease-out;
}
.site-header.is-compact{box-shadow:0 1px 2px rgba(20,30,28,.06)}
.header-top{border-bottom:1px solid var(--c-line);height:44px}
.header-top .grid-container{height:100%}
.header-inner{display:flex;align-items:center;gap:16px;height:100%}
.logo{
  display:inline-flex;align-items:center;gap:8px;font-size:18px;font-weight:700;
  color:var(--c-ink);letter-spacing:.02em;white-space:nowrap;
}
.logo:hover{color:var(--c-primary);text-decoration:none}
.logo-mark{
  width:12px;height:22px;border-radius:4px;background:var(--c-primary);position:relative;flex:0 0 auto;
}
.logo-mark::after{
  content:"";position:absolute;left:-6px;top:4px;width:6px;height:14px;border-radius:3px;
  background:var(--c-accent);
}
.brand-tagline{
  flex:1 1 auto;min-width:0;margin:0;
  font-size:13px;color:var(--c-ink-3);line-height:1.4;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.brand-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.icon-link{
  display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 10px;border-radius:999px;
  font-size:13px;color:var(--c-ink-2);border:1px solid transparent;
}
.icon-link:hover{border-color:var(--c-line);color:var(--c-primary);background:var(--c-bg);text-decoration:none}
.icon-link svg{width:15px;height:15px;fill:currentColor}
.header-bottom{height:48px}
.header-bottom .grid-container{height:100%}
.channel-nav{
  display:flex;align-items:center;gap:28px;height:100%;
  overflow-x:auto;-ms-overflow-style:none;scrollbar-width:none;
}
.channel-nav::-webkit-scrollbar{display:none}
.channel-nav a{
  position:relative;display:inline-flex;align-items:center;height:100%;
  font-size:15px;color:var(--c-ink-2);white-space:nowrap;font-weight:500;
}
.channel-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:3px;border-radius:2px;
  background:transparent;transition:background-color .18s ease-out;
}
.channel-nav a:hover{color:var(--c-primary);text-decoration:none}
.channel-nav a.active{color:var(--c-ink);font-weight:700}
.channel-nav a.active::after{background:var(--c-primary)}
.menu-toggle{
  display:none;width:40px;height:36px;border-radius:var(--r-btn);
  border:1px solid var(--c-line);background:var(--c-bg-2);cursor:pointer;padding:0;
  align-items:center;justify-content:center;
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px;position:relative}
.menu-toggle span::before,.menu-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-ink);border-radius:2px;
}
.menu-toggle span::before{top:-6px}
.menu-toggle span::after{top:6px}
/* 吸顶压缩态 */
.site-header.is-compact{display:flex;align-items:center;height:58px}
.site-header.is-compact .header-top{flex:0 0 auto;height:58px;border-bottom:0}
.site-header.is-compact .header-top .grid-container{padding-right:6px;max-width:none}
.site-header.is-compact .brand-tagline,
.site-header.is-compact .brand-actions{display:none}
.site-header.is-compact .header-bottom{flex:1 1 auto;min-width:0;display:flex;align-items:center;height:58px}
.site-header.is-compact .header-bottom .grid-container{max-width:none;padding-left:6px;width:100%}
.site-header.is-compact .channel-nav{height:58px;gap:22px}
/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;z-index:80;background:var(--c-bg-2);
  transform:translateX(100%);transition:transform .22s ease-out;
  display:flex;flex-direction:column;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  height:64px;padding:0 16px;border-bottom:1px solid var(--c-line);flex:0 0 auto;
}
.drawer-close{
  width:40px;height:40px;border-radius:var(--r-btn);border:1px solid var(--c-line);
  background:var(--c-bg-2);font-size:20px;line-height:1;color:var(--c-ink);cursor:pointer;
}
.drawer-body{padding:16px 16px 40px;overflow-y:auto}
.drawer-group{margin-bottom:24px}
.drawer-group h4{
  font-size:13px;color:var(--c-ink-3);font-weight:600;margin:0 0 8px;
  letter-spacing:.04em;
}
.drawer-group a{
  display:flex;align-items:center;min-height:48px;padding:0 12px;border-radius:var(--r-sm);
  font-size:16px;color:var(--c-ink);border-bottom:1px solid var(--c-line);
}
.drawer-group a:hover{background:var(--c-primary-soft);color:var(--c-primary);text-decoration:none}
.drawer-tags{display:flex;flex-wrap:wrap;gap:8px}
/* Hero */
.cat-hero{
  position:relative;min-height:300px;display:flex;align-items:center;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;overflow:hidden;
}
.cat-hero::before{content:"";position:absolute;inset:0;background:rgba(28,92,80,.72)}
.cat-hero .grid-container{position:relative;z-index:2;padding-top:48px;padding-bottom:48px;width:100%}
.cat-hero-inner{max-width:660px;color:#fff}
.cat-hero .breadcrumbs{margin-bottom:18px;background:transparent}
.cat-hero .breadcrumbs li{font-size:13px;color:rgba(255,255,255,.72)}
.cat-hero .breadcrumbs li a{color:rgba(255,255,255,.82);text-decoration:none}
.cat-hero .breadcrumbs li a:hover{color:#fff;text-decoration:underline}
.cat-hero .breadcrumbs li.disabled,
.cat-hero .breadcrumbs li.current{color:#fff;font-weight:600}
.cat-hero .breadcrumbs li+li::before{color:rgba(255,255,255,.5)}
.cat-hero .badge{background:rgba(255,255,255,.16);color:#fff;margin-bottom:16px}
.cat-hero h1{font-size:44px;color:#fff;margin-bottom:16px}
.cat-hero .hero-lead{
  font-size:17px;line-height:1.8;color:rgba(255,255,255,.88);max-width:520px;margin:0 0 24px;
}
.cat-hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.cat-hero .btn-outline{color:#fff;border-color:rgba(255,255,255,.65)}
.cat-hero .btn-outline:hover{background:rgba(255,255,255,.16);color:#fff}
/* 区块 */
.section{padding-top:var(--gap-block);padding-bottom:0}
.section-body{}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  padding-bottom:16px;border-bottom:1px solid var(--c-line);margin-bottom:32px;
}
.section-title{font-size:32px;margin:0;position:relative;padding-left:16px}
.section-title::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:2px;background:var(--c-primary);
}
.section-sub{font-size:14px;color:var(--c-ink-3);margin:8px 0 0 16px}
.section-link{font-size:14px;font-weight:600;white-space:nowrap}
.section-link:hover{text-decoration:underline}
/* 趋势条 */
.trend-strip{
  display:flex;gap:8px;overflow-x:auto;padding:20px 0 4px;
  -ms-overflow-style:none;scrollbar-width:none;
}
.trend-strip::-webkit-scrollbar{display:none}
.tab-row{display:flex;gap:10px;flex-wrap:wrap;padding-top:24px}
/* 大卡合集 */
.feature-card{
  display:flex;gap:20px;background:var(--c-bg-2);border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;height:100%;padding:16px;
  transition:box-shadow .18s ease-out,border-color .18s ease-out,transform .18s ease-out;
}
.feature-card:hover{box-shadow:var(--sh-2);border-color:rgba(28,92,80,.3);transform:translateY(-2px)}
.feature-media{
  flex:0 0 45%;border-radius:var(--r-sm);overflow:hidden;position:relative;background:var(--c-primary-soft);
  min-height:200px;
}
.feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease-out}
.feature-card:hover .feature-media img{transform:scale(1.03)}
.num-badge{
  position:absolute;left:10px;top:10px;z-index:2;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.04em;
  background:var(--c-accent);color:#fff;border-radius:999px;padding:3px 10px;line-height:1.4;
}
.feature-body{flex:1 1 auto;min-width:0;display:flex;flex-direction:column}
.feature-body h3{font-size:20px;margin:4px 0 10px;line-height:1.45}
.feature-body p{font-size:15px;color:var(--c-ink-2);line-height:1.8;margin:0 0 16px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.feature-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--c-ink-3);font-family:var(--font-mono)}
.feature-foot .go{font-family:var(--font-sans);font-weight:600;color:var(--c-primary);font-size:14px}
/* 参数对照条 */
.param-bar{
  margin-top:56px;background:var(--c-bg-2);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);
}
.param-bar .grid-x{padding:0}
.param-item{padding:28px 24px;border-right:1px solid var(--c-line);height:100%}
.param-item:last-child{border-right:0}
.param-item h3{
  font-size:16px;margin:0 0 6px;font-weight:700;
}
.param-item h3 .idx{font-family:var(--font-mono);color:var(--c-accent);font-size:13px;margin-right:8px}
.param-item .p-main{font-size:15px;color:var(--c-ink);font-weight:600;margin:0 0 4px}
.param-item .p-sub{font-size:13px;color:var(--c-ink-2);line-height:1.7;margin:0}
/* 迷你卡 */
.mini-card{
  display:flex;flex-direction:column;height:100%;background:var(--c-bg-2);
  border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;
  transition:box-shadow .18s ease-out,border-color .18s ease-out,transform .18s ease-out;
}
.mini-card:hover{box-shadow:var(--sh-2);border-color:rgba(28,92,80,.3);transform:translateY(-2px)}
.mini-media{aspect-ratio:16/9;overflow:hidden;background:var(--c-primary-soft)}
.mini-media img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease-out}
.mini-card:hover .mini-media img{transform:scale(1.03)}
.mini-body{padding:16px 18px 18px;display:flex;flex-direction:column;flex:1 1 auto}
.mini-body h3{font-size:17px;line-height:1.5;margin:0 0 8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mini-body p{font-size:14px;color:var(--c-ink-2);line-height:1.75;margin:0 0 14px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mini-meta{margin-top:auto;display:flex;align-items:center;gap:10px;font-size:13px;color:var(--c-ink-3);
  font-family:var(--font-mono)}
.mini-meta .tag{font-family:var(--font-sans);color:var(--c-primary);background:var(--c-primary-soft);
  border-radius:999px;padding:2px 10px;font-size:12px}
/* 步骤 */
.step-list{display:flex;flex-wrap:wrap;gap:0;margin:0;padding:0;list-style:none}
.step-item{
  flex:1 1 200px;padding:0 24px 0 0;position:relative;
}
.step-item::after{
  content:"";position:absolute;right:12px;top:26px;width:14px;height:1px;background:var(--c-line);
}
.step-item:last-child::after{display:none}
.step-no{
  font-family:var(--font-mono);font-size:13px;color:#fff;background:var(--c-accent);
  border-radius:999px;padding:3px 10px;display:inline-block;margin-bottom:12px;line-height:1.4;
}
.step-item h3{font-size:17px;margin:0 0 8px}
.step-item p{font-size:14px;color:var(--c-ink-2);line-height:1.8;margin:0}
/* FAQ */
.faq-list{list-style:none;margin:0;padding:0}
.faq-item{
  border:1px solid var(--c-line);border-radius:var(--r-sm);background:var(--c-bg-2);
  margin-bottom:12px;overflow:hidden;border-left-width:3px;border-left-color:transparent;
  transition:border-color .18s ease-out,background-color .18s ease-out;
}
.faq-item.is-open{border-left-color:var(--c-primary);background:#fff}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:52px;padding:12px 18px;background:transparent;border:0;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--c-ink);text-align:left;font-family:var(--font-sans);
  line-height:1.5;
}
.faq-q:hover{color:var(--c-primary)}
.faq-arrow{
  flex:0 0 auto;width:10px;height:10px;border-right:2px solid var(--c-ink-3);border-bottom:2px solid var(--c-ink-3);
  transform:rotate(45deg);transition:transform .18s ease-out,border-color .18s ease-out;margin-top:-4px;
}
.faq-item.is-open .faq-arrow{transform:rotate(-135deg);border-color:var(--c-primary);margin-top:2px}
.faq-a{display:none;padding:0 18px 20px;font-size:15px;color:var(--c-ink-2);line-height:1.85}
.faq-item.is-open .faq-a{display:block}
/* CTA */
.cta-band{
  margin-top:var(--gap-block);background:var(--c-primary);color:#fff;position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-60px;width:320px;height:320px;border-radius:50%;
  background:rgba(255,255,255,.07);
}
.cta-band .grid-container{position:relative;z-index:2;padding-top:56px;padding-bottom:56px}
.cta-band h2{margin:0 0 12px;font-size:30px;color:#fff}
.cta-band p{color:rgba(255,255,255,.86);font-size:15px;line-height:1.85;margin:0;max-width:520px}
.cta-form{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-start}
.cta-form .field{flex:1 1 220px;min-width:0}
.cta-form label{display:block;font-size:13px;color:rgba(255,255,255,.8);margin-bottom:6px}
.cta-form input{
  width:100%;height:48px;border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.35);
  background:rgba(255,255,255,.98);padding:0 14px;font-size:15px;color:var(--c-ink);font-family:var(--font-sans);
  box-shadow:none;margin:0;
}
.cta-form input:focus{border-color:#fff;outline:2px solid rgba(255,255,255,.5);outline-offset:1px}
.cta-form .btn{margin-top:25px}
.cta-note{font-size:13px;color:rgba(255,255,255,.7);margin-top:14px}
/* 页脚 */
.site-footer{background:var(--c-bg-dark);color:#C9D3CF;margin-top:var(--gap-block);padding-top:56px}
.site-footer a{color:#C9D3CF}
.site-footer a:hover{color:#7FD3BF;text-decoration:none}
.footer-cols{display:flex;flex-wrap:wrap;gap:32px;padding-bottom:40px}
.footer-brand{flex:1 1 300px;max-width:360px}
.footer-brand .logo{color:#fff;font-size:18px}
.footer-brand .logo:hover{color:#7FD3BF}
.footer-brand .logo-mark{background:#7FD3BF}
.footer-brand .logo-mark::after{background:var(--c-accent)}
.footer-brand p{font-size:14px;line-height:1.85;color:#9FADA8;margin:16px 0 14px}
.footer-keyword{
  display:inline-block;font-size:12px;color:#9FADA8;border:1px solid rgba(255,255,255,.18);
  border-radius:999px;padding:3px 12px;
}
.footer-col{flex:1 1 180px}
.footer-col h4{font-size:14px;color:#fff;margin:0 0 16px;letter-spacing:.04em}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li{margin-bottom:10px}
.footer-col li a{font-size:14px}
.footer-form{display:flex;gap:8px;flex-wrap:wrap}
.footer-form input{
  flex:1 1 140px;min-width:0;height:44px;border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.06);color:#fff;padding:0 12px;font-size:14px;font-family:var(--font-sans);
  margin:0;box-shadow:none;
}
.footer-form input::placeholder{color:#8C9694}
.footer-form input:focus{border-color:#7FD3BF;outline:2px solid rgba(127,211,191,.4);outline-offset:1px}
.footer-form button{
  height:44px;padding:0 18px;border-radius:var(--r-btn);border:0;cursor:pointer;
  background:var(--c-primary);color:#fff;font-size:14px;font-weight:600;font-family:var(--font-sans);
}
.footer-form button:hover{background:#2A7A69}
.footer-links-gap{margin-top:16px}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  min-height:56px;padding:14px 0;border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;color:#8C9694;
}
.footer-bottom a{font-size:13px}
/* 空态（本页无 CMS 循环，预留样式） */
.empty-state{
  background:rgba(28,92,80,.05);border:1px dashed rgba(28,92,80,.35);border-radius:var(--r-sm);
  padding:32px;text-align:center;
}
.empty-state p{color:var(--c-ink-2);font-size:15px;margin:0 0 16px}
/* 响应式 */
@media (max-width:1023px){
  .cat-hero h1{font-size:34px}
  .section-title{font-size:26px}
  .step-item{flex:1 1 45%;padding-bottom:24px}
  .step-item::after{display:none}
}
@media (max-width:639px){
  :root{--gap-block:48px}
  body{font-size:16px;line-height:1.85}
  .grid-container{padding-left:16px;padding-right:16px}
  .grid-x{margin-left:-8px;margin-right:-8px}
  .grid-x>.cell{padding-left:8px;padding-right:8px}
  h1{font-size:30px}
  h2{font-size:24px}
  h3{font-size:19px}
  .header-top{height:56px}
  .brand-tagline{display:none}
  .header-bottom{display:none}
  .menu-toggle{display:inline-flex}
  .site-header.is-compact{display:block;height:auto}
  .site-header.is-compact .header-top{height:56px;border-bottom:1px solid var(--c-line)}
  .site-header.is-compact .header-top .grid-container{padding-right:16px;max-width:1200px}
  .site-header.is-compact .header-bottom{display:none}
  .cat-hero{min-height:260px}
  .cat-hero h1{font-size:28px}
  .cat-hero .grid-container{padding-top:32px;padding-bottom:32px}
  .cat-hero .hero-lead{font-size:15px}
  .feature-card{flex-direction:column;padding:14px}
  .feature-media{flex:0 0 auto;aspect-ratio:16/10;min-height:0}
  .param-item{border-right:0;border-bottom:1px solid var(--c-line);padding:20px 16px}
  .param-item:last-child{border-bottom:0}
  .section-head{align-items:flex-start;flex-direction:column;gap:10px}
  .section-title{font-size:24px}
  .step-item{flex:1 1 100%;padding-right:0}
  .cta-band h2{font-size:24px}
  .cta-form .btn{margin-top:0;width:100%}
  .footer-cols{gap:24px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (min-width:640px) and (max-width:1023px){
  .header-bottom .channel-nav{gap:22px}
}

/* roulang page: category2 */
:root{
  --c-primary:#1C5C50;
  --c-primary-dark:#14463D;
  --c-primary-soft:#E3EFEA;
  --c-accent:#D97642;
  --c-accent-soft:#FBE7DA;
  --c-ink:#1A2321;
  --c-ink-2:#5A6663;
  --c-ink-3:#8C9694;
  --c-line:#E3DED5;
  --c-bg:#F7F4EE;
  --c-bg-2:#FFFFFF;
  --c-bg-dark:#12211E;
  --c-dark-line:rgba(255,255,255,.08);
  --r-card:16px;
  --r-sm:12px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(20,30,28,.06);
  --sh-2:0 14px 30px -18px rgba(20,30,28,.28);
  --gap:80px;
  --font: -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans SC", sans-serif;
  --mono: "SF Mono", "JetBrains Mono", ui-monospace, monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.9;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease-out;}
a:hover{color:var(--c-primary-dark);text-decoration:underline;}
button{font-family:inherit;cursor:pointer;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
h1,h2,h3,h4{margin:0;color:var(--c-ink);letter-spacing:.01em;line-height:1.3;}
h1{font-size:44px;font-weight:700;}
h2{font-size:32px;font-weight:700;margin-top:56px;margin-bottom:20px;}
h3{font-size:22px;font-weight:600;margin-top:32px;margin-bottom:14px;}
p{margin:0 0 1.2em;}
ul{margin:0 0 1.2em;padding-left:1.1em;}
li{line-height:1.85;}
.grid-container{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;}
@media (min-width:1440px){.grid-container{max-width:1280px;}}
.grid-x{display:flex;flex-wrap:wrap;margin-left:-12px;margin-right:-12px;}
.grid-x>.cell{padding-left:12px;padding-right:12px;width:100%;}
.section{padding:var(--gap) 0;}
.section-tight{padding:56px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;}
.section-head h2{margin-top:0;margin-bottom:0;}
.more-link{font-size:15px;white-space:nowrap;}
.rule-line{height:3px;width:44px;background:var(--c-primary);border-radius:2px;margin:16px 0 0;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--c-bg);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .18s ease-out;
}
.site-header.is-stuck{box-shadow:0 6px 18px -14px rgba(20,30,28,.5);}
.topbar{height:44px;display:flex;align-items:center;border-bottom:1px solid var(--c-line);}
.topbar-inner{display:flex;align-items:center;gap:20px;width:100%;height:44px;}
.logo{
  display:flex;align-items:center;gap:10px;
  font-size:19px;font-weight:700;color:var(--c-ink);letter-spacing:.01em;
  white-space:nowrap;text-decoration:none;
}
.logo:hover{color:var(--c-primary);text-decoration:none;}
.logo-mark{width:14px;height:22px;border-radius:4px;background:var(--c-primary);position:relative;flex:0 0 auto;}
.logo-mark::after{content:"";position:absolute;left:0;bottom:0;width:14px;height:8px;border-radius:0 0 4px 4px;background:var(--c-accent);}
.topbar-note{
  margin:0;font-size:13px;color:var(--c-ink-3);line-height:1.4;
  flex:1 1 auto;min-width:0;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;
}
.topbar-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto;}
.icon-btn{
  display:inline-flex;align-items:center;gap:6px;
  height:30px;padding:0 12px;border-radius:999px;
  border:1px solid var(--c-line);background:var(--c-bg-2);
  font-size:13px;color:var(--c-ink-2);text-decoration:none;
  transition:background .18s ease-out,color .18s ease-out,border-color .18s ease-out;
}
.icon-btn:hover{background:var(--c-primary-soft);color:var(--c-primary-dark);border-color:rgba(28,92,80,.3);text-decoration:none;}
.menu-toggle{
  display:none;width:36px;height:32px;border-radius:8px;border:1px solid var(--c-line);
  background:var(--c-bg-2);position:relative;
}
.menu-toggle span{position:absolute;left:9px;right:9px;height:2px;background:var(--c-ink);border-radius:2px;transition:.18s ease-out;}
.menu-toggle span:nth-child(1){top:10px;}
.menu-toggle span:nth-child(2){top:15px;}
.menu-toggle span:nth-child(3){top:20px;}
.channel-wrap{
  display:flex;align-items:center;gap:20px;height:48px;
}
.channel-nav{display:flex;align-items:center;gap:26px;margin:0;list-style:none;padding:0;}
.channel-nav a{
  position:relative;display:inline-block;height:48px;line-height:48px;
  font-size:15px;color:var(--c-ink-2);text-decoration:none;
  transition:color .18s ease-out;white-space:nowrap;
}
.channel-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:10px;height:3px;
  background:transparent;border-radius:2px;transition:background .18s ease-out;
}
.channel-nav a:hover{color:var(--c-primary);}
.channel-nav a.active{color:var(--c-ink);font-weight:700;}
.channel-nav a.active::after{background:var(--c-primary);}
.tag-scroll{
  display:flex;gap:8px;overflow-x:auto;flex:1 1 auto;min-width:0;
  padding:8px 0;scrollbar-width:none;
}
.tag-scroll::-webkit-scrollbar{display:none;}
.tag-scroll a{
  flex:0 0 auto;height:32px;line-height:30px;padding:0 14px;border-radius:999px;
  border:1px solid var(--c-line);background:var(--c-bg-2);
  font-size:13px;color:var(--c-ink-2);text-decoration:none;
  transition:background .18s ease-out,color .18s ease-out,border-color .18s ease-out;
}
.tag-scroll a:hover{background:var(--c-primary-soft);color:var(--c-primary-dark);border-color:rgba(28,92,80,.28);}

/* drawer */
.drawer{
  position:fixed;inset:0;z-index:90;background:rgba(26,35,33,.4);
  opacity:0;pointer-events:none;transition:opacity .18s ease-out;
}
.drawer.open{opacity:1;pointer-events:auto;}
.drawer-panel{
  position:absolute;top:0;right:0;width:86%;max-width:360px;height:100%;
  background:var(--c-bg-2);padding:24px 20px;overflow-y:auto;
  transform:translateX(100%);transition:transform .2s ease-out;
}
.drawer.open .drawer-panel{transform:translateX(0);}
.drawer-group{margin-bottom:28px;}
.drawer-group h4{font-size:13px;color:var(--c-ink-3);font-weight:600;margin-bottom:10px;}
.drawer-group a{
  display:flex;align-items:center;min-height:48px;
  border-bottom:1px solid var(--c-line);color:var(--c-ink);font-size:16px;text-decoration:none;
}
.drawer-group a.active{color:var(--c-primary);font-weight:700;}
.drawer-close{
  width:100%;height:48px;border-radius:var(--r-btn);border:1px solid var(--c-line);
  background:var(--c-bg);color:var(--c-ink-2);font-size:15px;margin-top:8px;
}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;border-radius:var(--r-card);
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  margin-top:24px;
}
.hero::before{content:"";position:absolute;inset:0;background:rgba(28,92,80,.74);}
.hero-inner{position:relative;z-index:1;padding:64px 40px;color:#fff;}
.hero h1{color:#fff;max-width:760px;}
.hero-lead{margin:18px 0 0;max-width:640px;font-size:17px;line-height:1.8;color:rgba(255,255,255,.9);}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.hero-badges span{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);
  font-size:13px;color:#fff;
}
.crumbs{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:20px;}
.crumbs a{color:rgba(255,255,255,.86);text-decoration:none;}
.crumbs a:hover{color:#fff;text-decoration:underline;}
.crumbs .sep{opacity:.6;}
.crumbs .current{color:#fff;}
.swatch-strip{display:flex;gap:6px;justify-content:flex-end;align-items:flex-start;padding:64px 0;}
.swatch-strip span{display:block;width:10px;border-radius:4px;height:64px;}
.swatch-strip span:nth-child(1){background:#E3EFEA;height:96px;}
.swatch-strip span:nth-child(2){background:#7FB6A7;height:82px;}
.swatch-strip span:nth-child(3){background:#D97642;height:70px;}
.swatch-strip span:nth-child(4){background:#F1EAE0;height:58px;}
.swatch-strip span:nth-child(5){background:#14463D;height:46px;}

/* ---------- category tabs ---------- */
.cat-tabs{display:flex;flex-wrap:wrap;gap:10px;margin:28px 0 0;}
.cat-tabs a{
  display:inline-flex;align-items:center;height:38px;padding:0 18px;border-radius:999px;
  border:1px solid var(--c-line);background:var(--c-bg-2);
  font-size:14px;color:var(--c-ink-2);text-decoration:none;
  transition:background .18s ease-out,color .18s ease-out,border-color .18s ease-out;
}
.cat-tabs a:hover{background:var(--c-primary-soft);color:var(--c-primary-dark);border-color:rgba(28,92,80,.28);}
.cat-tabs a.is-current{background:var(--c-primary);border-color:var(--c-primary);color:#fff;font-weight:600;}

/* ---------- layout : toc + content ---------- */
.layout{margin-top:48px;}
.toc{position:sticky;top:120px;align-self:flex-start;}
.toc-card{
  background:var(--c-bg-2);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh-1);
}
.toc-card h4{font-size:13px;color:var(--c-ink-3);font-weight:600;letter-spacing:.06em;margin-bottom:14px;}
.toc-list{list-style:none;margin:0;padding:0;}
.toc-list li{margin-bottom:2px;}
.toc-list a{
  display:block;padding:9px 12px;border-radius:10px;
  font-size:14px;color:var(--c-ink-2);text-decoration:none;line-height:1.5;
  border-left:3px solid transparent;
  transition:background .18s ease-out,color .18s ease-out,border-color .18s ease-out;
}
.toc-list a:hover{background:var(--c-primary-soft);color:var(--c-primary-dark);border-left-color:var(--c-accent);text-decoration:none;}
.toc-note{margin:18px 0 0;padding-top:16px;border-top:1px solid var(--c-line);font-size:13px;color:var(--c-ink-3);line-height:1.7;}

.article-block{
  background:var(--c-bg-2);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:44px 48px;box-shadow:var(--sh-1);
}
.article-block > p{color:var(--c-ink-2);}
.article-block section + section{margin-top:48px;}
.article-block h2{font-size:28px;margin-top:0;margin-bottom:18px;}
.article-block h3{margin-top:28px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--mono);font-size:13px;color:var(--c-accent);letter-spacing:.08em;margin-bottom:12px;
}
.media-row{display:flex;gap:24px;align-items:center;margin:26px 0 30px;}
.media-row .media-img{flex:0 0 46%;max-width:46%;}
.media-row .media-body{flex:1 1 auto;}
.media-row.reverse{flex-direction:row-reverse;}
.media-img img{border-radius:var(--r-sm);object-fit:cover;width:100%;aspect-ratio:16/10;}
.caption{font-size:13px;color:var(--c-ink-3);text-align:center;margin:10px 0 0;}
.point-list{list-style:none;padding:0;margin:18px 0 24px;}
.point-list li{position:relative;padding-left:22px;margin-bottom:10px;color:var(--c-ink-2);}
.point-list li::before{
  content:"";position:absolute;left:0;top:.72em;width:8px;height:8px;border-radius:50%;
  background:var(--c-accent);
}
.quote{
  border-left:4px solid var(--c-primary);background:var(--c-primary-soft);
  padding:18px 20px;border-radius:0 10px 10px 0;margin:24px 0;color:var(--c-ink-2);
}
.quote p{margin:0;}

/* ---------- table ---------- */
.table-wrap{margin:28px 0 8px;border:1px solid var(--c-line);border-radius:var(--r-sm);overflow:hidden;background:var(--c-bg-2);}
table.params{width:100%;border-collapse:collapse;font-size:15px;}
table.params thead th{
  background:var(--c-primary-soft);color:var(--c-primary-dark);
  text-align:left;font-weight:600;font-size:14px;letter-spacing:.02em;
  padding:14px 18px;border-bottom:1px solid var(--c-line);
}
table.params td{padding:0 18px;height:48px;border-bottom:1px solid var(--c-line);color:var(--c-ink-2);vertical-align:middle;}
table.params tbody tr:nth-child(even) td{background:#FCFAF6;}
table.params tbody tr:last-child td{border-bottom:none;}
table.params td:first-child{color:var(--c-ink);font-weight:600;}

/* ---------- related cards ---------- */
.related-grid{display:flex;flex-wrap:wrap;gap:24px;margin-top:24px;}
.related-card{
  flex:1 1 280px;background:var(--c-bg-2);border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.related-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(28,92,80,.3);}
.related-card .thumb{overflow:hidden;}
.related-card .thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .2s ease-out;}
.related-card:hover .thumb img{transform:scale(1.03);}
.related-card .body{padding:20px 22px 24px;}
.related-card .tag{display:inline-block;font-size:13px;color:var(--c-primary);background:var(--c-primary-soft);border-radius:999px;padding:2px 12px;margin-bottom:10px;}
.related-card h3{margin:0 0 8px;font-size:18px;}
.related-card p{margin:0;font-size:15px;color:var(--c-ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}

/* ---------- cta ---------- */
.cta-dark{
  background:var(--c-bg-dark);border-radius:var(--r-card);color:#C9D3CF;
  padding:48px 44px;margin-top:64px;
}
.cta-dark h2{color:#fff;margin-top:0;font-size:28px;}
.cta-dark p{color:#C9D3CF;max-width:560px;margin-bottom:0;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px;}
.btn-primary,.btn-secondary,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;text-decoration:none;border:1px solid transparent;
  transition:background .18s ease-out,color .18s ease-out,transform .18s ease-out,border-color .18s ease-out;
}
.btn-primary{background:var(--c-primary);color:#fff;}
.btn-primary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-1px);text-decoration:none;}
.btn-primary:active{transform:translateY(0);}
.btn-secondary{background:transparent;color:var(--c-primary);border-color:var(--c-primary);}
.btn-secondary:hover{background:var(--c-primary-soft);color:var(--c-primary-dark);text-decoration:none;}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.24);}
.btn-ghost:hover{background:rgba(255,255,255,.16);color:#fff;text-decoration:none;}
.back-top{
  display:flex;align-items:center;justify-content:center;gap:8px;
  margin:48px 0 8px;font-size:15px;color:var(--c-primary);text-decoration:none;
}
.back-top .arrow{
  width:0;height:0;border-left:5px solid transparent;border-right:5px solid transparent;
  border-bottom:6px solid var(--c-primary);
}
.back-top:hover .arrow{border-bottom-color:var(--c-primary-dark);}

/* ---------- footer ---------- */
.site-footer{background:var(--c-bg-dark);color:#C9D3CF;margin-top:80px;padding-top:64px;}
.footer-cols{display:flex;flex-wrap:wrap;gap:32px;}
.footer-brand{flex:1 1 300px;max-width:380px;}
.footer-brand .logo{color:#fff;font-size:19px;margin-bottom:14px;}
.footer-brand .logo-mark{background:#fff;}
.footer-brand .logo-mark::after{background:var(--c-accent);}
.footer-brand p{font-size:14px;line-height:1.85;color:#9FB0AB;}
.footer-keyword{display:inline-block;margin-top:14px;font-size:12px;color:#7E918C;border:1px solid var(--c-dark-line);border-radius:999px;padding:4px 12px;}
.footer-col{flex:1 1 160px;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:600;}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col li{margin-bottom:10px;}
.footer-col a{color:#C9D3CF;font-size:14px;text-decoration:none;transition:color .18s ease-out;}
.footer-col a:hover{color:#7FB6A7;text-decoration:none;}
.footer-form{display:flex;flex-direction:column;gap:10px;max-width:260px;}
.footer-form input{
  height:48px;border-radius:var(--r-btn);border:1px solid var(--c-dark-line);
  background:rgba(255,255,255,.06);color:#fff;padding:0 14px;font-size:15px;
}
.footer-form input::placeholder{color:#7E918C;}
.footer-form input:focus{outline:none;border-color:#7FB6A7;box-shadow:0 0 0 2px rgba(127,182,167,.25);}
.footer-form button{
  height:48px;border-radius:var(--r-btn);border:none;background:var(--c-primary);color:#fff;
  font-size:15px;font-weight:600;transition:background .18s ease-out;
}
.footer-form button:hover{background:var(--c-primary-dark);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  min-height:56px;margin-top:48px;padding:12px 0;border-top:1px solid var(--c-dark-line);
  font-size:13px;color:#7E918C;
}
.footer-bottom a{color:#9FB0AB;text-decoration:none;}
.footer-bottom a:hover{color:#7FB6A7;text-decoration:none;}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .toc{position:static;}
  .article-block{padding:32px 28px;}
  .swatch-strip{justify-content:flex-start;padding:0 0 32px;}
  .hero-inner{padding:48px 28px;}
}
@media (max-width:900px){
  .topbar-note{display:none;}
}
@media (max-width:640px){
  :root{--gap:48px;}
  h1{font-size:30px;}
  h2{font-size:24px;}
  h3{font-size:19px;}
  body{font-size:16px;line-height:1.85;}
  .grid-container{padding-left:16px;padding-right:16px;}
  .grid-x{margin-left:-8px;margin-right:-8px;}
  .grid-x>.cell{padding-left:8px;padding-right:8px;}
  .channel-wrap,.channel-nav,.tag-scroll{display:none;}
  .menu-toggle{display:block;margin-left:auto;}
  .hero-inner{padding:36px 22px;}
  .hero-lead{font-size:15px;}
  .media-row,.media-row.reverse{flex-direction:column;align-items:stretch;}
  .media-row .media-img{flex:1 1 auto;max-width:100%;}
  .article-block{padding:24px 18px;border-radius:var(--r-sm);}
  .cta-dark{padding:32px 22px;}
  .table-wrap{border:none;}
  table.params thead{display:none;}
  table.params,table.params tbody,table.params tr,table.params td{display:block;width:100%;}
  table.params tr{
    background:var(--c-bg-2);border:1px solid var(--c-line);border-radius:var(--r-sm);
    padding:14px 16px;margin-bottom:12px;
  }
  table.params td{border:none;height:auto;padding:4px 0;font-size:15px;}
  table.params td::before{
    content:attr(data-label);display:block;font-size:13px;color:var(--c-ink-3);margin-bottom:2px;
  }
  table.params tbody tr:nth-child(even) td{background:transparent;}
  .footer-bottom{justify-content:flex-start;}
}