/* roulang page: index */
:root{
  --deep:#0E2A25;
  --deep-2:#0B3B36;
  --accent:#1FD286;
  --accent-soft:rgba(31,210,134,.12);
  --accent-line:rgba(31,210,134,.35);
  --amber:#FFB547;
  --amber-soft:rgba(255,181,71,.16);
  --bg:#F6F8F5;
  --card:#FFFFFF;
  --ink:#12201C;
  --muted:#5E6F69;
  --border:rgba(14,42,37,.08);
  --border-strong:rgba(14,42,37,.16);
  --shadow-1:0 8px 24px rgba(14,42,37,.06);
  --shadow-2:0 16px 40px rgba(14,42,37,.10);
  --r-lg:20px;
  --r-md:14px;
  --r-sm:12px;
  --r-pill:999px;
  --s1:24px;
  --s2:40px;
  --s3:64px;
  --s4:96px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease}
img{max-width:100%;display:block;border-radius:var(--r-md)}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
strong{font-weight:700}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:var(--s4) 0}
.section--tight{padding:var(--s3) 0}
.section--white{background:var(--card)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:var(--s2)}
.section-head h2{font-size:30px;line-height:1.3;font-weight:700;letter-spacing:-.4px}
.section-head p{margin-top:10px;color:var(--muted);font-size:15px;max-width:640px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--deep-2);background:var(--accent-soft);border:1px solid var(--accent-line);border-radius:var(--r-pill);padding:6px 14px;margin-bottom:16px;letter-spacing:.2px}
.eyebrow i{color:var(--accent);font-size:12px}
.text-link{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--deep-2);white-space:nowrap}
.text-link i{transition:transform .2s ease}
.text-link:hover{color:var(--accent);text-decoration:underline;text-underline-offset:6px}
.text-link:hover i{transform:translateX(4px)}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:15px;font-weight:600;line-height:20px;padding:12px 20px;border-radius:var(--r-pill);border:1px solid transparent;transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;cursor:pointer;white-space:nowrap}
.btn i{font-size:13px}
.btn-primary{background:var(--accent);color:var(--deep);box-shadow:0 8px 20px rgba(31,210,134,.28)}
.btn-primary:hover{background:#25e394;transform:translateY(-1px);box-shadow:0 12px 26px rgba(31,210,134,.34)}
.btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.42)}
.btn-outline:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.7);transform:translateY(-1px)}
.btn-ghost{background:#fff;color:var(--deep);border-color:var(--border-strong)}
.btn-ghost:hover{background:var(--accent-soft);border-color:var(--accent-line);color:var(--deep-2)}
.btn-dark{background:var(--deep);color:#fff}
.btn-dark:hover{background:var(--deep-2);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-lg{padding:15px 28px;font-size:16px}
.btn:active{transform:scale(.98)}
.btn[disabled],.btn.is-disabled{opacity:.5;pointer-events:none}

/* ---------- 徽章 / 标签 ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:500;line-height:18px;padding:4px 10px;border-radius:var(--r-pill);background:var(--accent-soft);color:var(--deep-2);border:1px solid var(--accent-line)}
.badge-amber{background:var(--amber-soft);color:#8A5A05;border-color:rgba(255,181,71,.42)}
.badge-plain{background:rgba(14,42,37,.05);color:var(--muted);border-color:var(--border)}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--border)}
.nav-wrap{display:flex;align-items:center;gap:20px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-icon{width:28px;height:28px;border-radius:9px;background:var(--deep);color:var(--accent);display:inline-flex;align-items:center;justify-content:center;font-size:13px}
.brand-text{font-size:18px;font-weight:800;letter-spacing:-.3px;color:var(--deep)}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:12px}
.main-nav a{font-size:15px;font-weight:500;color:var(--muted);padding:8px 14px;border-radius:var(--r-pill);position:relative}
.main-nav a:hover{color:var(--deep);background:rgba(14,42,37,.04)}
.main-nav a.active{color:var(--deep);background:var(--accent-soft);font-weight:600}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto}
.search-box{display:flex;align-items:center;gap:8px;width:228px;background:var(--bg);border:1px solid var(--border);border-radius:var(--r-sm);padding:9px 12px;transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease}
.search-box:focus-within{background:#fff;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.search-box i{color:var(--muted);font-size:13px}
.search-box input{width:100%;border:0;background:transparent;font-size:14px;outline:none}
.search-box input::placeholder{color:#93A29C}
.nav-search-mobile{display:none}
.menu-toggle{display:none;width:42px;height:42px;border-radius:var(--r-sm);border:1px solid var(--border-strong);align-items:center;justify-content:center;color:var(--deep);font-size:16px}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--deep);color:#fff;overflow:hidden}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center;opacity:.55}
.hero-mask{position:absolute;inset:0;background:linear-gradient(112deg,rgba(14,42,37,.95) 0%,rgba(11,59,54,.88) 46%,rgba(14,42,37,.6) 100%)}
.hero-inner{position:relative;display:grid;grid-template-columns:1.08fr .92fr;gap:48px;align-items:center;min-height:560px;padding:64px 0}
.hero-copy h1{font-size:40px;line-height:1.24;font-weight:800;letter-spacing:-.6px;margin-bottom:18px}
.hero-sub{font-size:17px;line-height:1.7;color:rgba(255,255,255,.82);max-width:560px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px}
.hero-stats li{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:var(--r-md);padding:12px 18px;min-width:118px;backdrop-filter:blur(4px)}
.hero-stats strong{display:block;font-size:20px;font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:-.2px}
.hero-stats span{font-size:13px;color:rgba(255,255,255,.66)}
.hero-card{background:#fff;border-radius:24px;padding:14px;box-shadow:var(--shadow-2);color:var(--ink)}
.hero-card img{width:100%;height:248px;object-fit:cover;border-radius:16px}
.hero-card-info{padding:18px 8px 8px}
.hero-card-info h3{font-size:19px;font-weight:700;margin:12px 0 8px;line-height:1.4}
.hero-card-info p{font-size:14px;color:var(--muted);line-height:1.7}

/* ---------- 合集目录 ---------- */
.anchor-tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:36px}
.anchor-tabs a{font-size:14px;font-weight:500;color:var(--muted);background:#fff;border:1px solid var(--border);border-radius:var(--r-pill);padding:8px 16px;transition:all .2s ease}
.anchor-tabs a:hover,.anchor-tabs a.is-on{color:var(--deep);background:var(--accent-soft);border-color:var(--accent-line)}
.catalog-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.catalog-card{position:relative;display:block;background:var(--card);border:1px solid var(--border);border-radius:var(--r-lg);padding:26px;box-shadow:var(--shadow-1);transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;overflow:hidden}
.catalog-card:nth-child(even){margin-top:28px}
.catalog-card::after{content:"";position:absolute;right:-40px;bottom:-40px;width:140px;height:140px;border-radius:50%;background:var(--accent-soft);opacity:0;transition:opacity .24s ease}
.catalog-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--accent-line)}
.catalog-card:hover::after{opacity:1}
.catalog-card:hover .catalog-name{color:var(--deep-2)}
.catalog-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;position:relative;z-index:1}
.catalog-num{font-size:26px;font-weight:800;color:var(--amber);font-variant-numeric:tabular-nums;letter-spacing:-1px}
.catalog-icon{width:44px;height:44px;border-radius:14px;background:var(--deep);color:var(--accent);display:inline-flex;align-items:center;justify-content:center;font-size:17px}
.catalog-name{font-size:20px;font-weight:700;margin-bottom:8px;position:relative;z-index:1;transition:color .2s ease}
.catalog-desc{font-size:14px;color:var(--muted);line-height:1.7;margin-bottom:18px;position:relative;z-index:1}
.catalog-meta{display:flex;align-items:center;gap:10px;position:relative;z-index:1}
.catalog-count{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
.catalog-arrow{margin-left:auto;width:34px;height:34px;border-radius:50%;background:var(--bg);color:var(--deep);display:inline-flex;align-items:center;justify-content:center;font-size:13px;transition:background-color .2s ease,color .2s ease,transform .2s ease}
.catalog-card:hover .catalog-arrow{background:var(--accent);color:var(--deep);transform:translateX(3px)}

/* ---------- 精选条目 ---------- */
.feature-grid{display:grid;grid-template-columns:1.55fr 1fr;grid-template-rows:auto auto;gap:24px}
.feature-main{grid-row:1 / span 2;display:flex;flex-direction:column;background:var(--card);border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-1);transition:transform .24s ease,box-shadow .24s ease}
.feature-main:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.feature-main .thumb{overflow:hidden}
.feature-main .thumb img{width:100%;height:320px;object-fit:cover;border-radius:0;transition:transform .3s ease}
.feature-main:hover .thumb img{transform:scale(1.02)}
.feature-main .body{padding:26px 28px;display:flex;flex-direction:column;gap:12px;flex:1}
.feature-main h3{font-size:24px;line-height:1.4;font-weight:700}
.feature-main:hover h3{color:var(--deep-2)}
.feature-main p{font-size:15px;color:var(--muted);line-height:1.75}
.feature-side{display:flex;gap:18px;background:var(--card);border:1px solid var(--border);border-radius:var(--r-lg);padding:18px;box-shadow:var(--shadow-1);transition:transform .24s ease,box-shadow .24s ease}
.feature-side:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.feature-side .thumb{flex-shrink:0;width:118px;overflow:hidden;border-radius:var(--r-md)}
.feature-side .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.feature-side:hover .thumb img{transform:scale(1.03)}
.feature-side .body{display:flex;flex-direction:column;gap:8px}
.feature-side h4{font-size:17px;font-weight:700;line-height:1.45}
.feature-side:hover h4{color:var(--deep-2)}
.feature-side p{font-size:13px;color:var(--muted);line-height:1.65}
.meta-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:13px;color:var(--muted);margin-top:auto;font-variant-numeric:tabular-nums}

/* ---------- 最新信息 ---------- */
.latest-layout{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:40px;align-items:start}
.news-list{display:flex;flex-direction:column}
.news-item{display:flex;gap:20px;padding:22px 0;border-bottom:1px solid var(--border)}
.news-item:first-child{padding-top:0}
.news-item:last-child{border-bottom:0}
.news-date{flex-shrink:0;width:78px;height:78px;border-radius:var(--r-md);background:var(--bg);border:1px solid var(--border);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:6px}
.news-date-text{font-size:12px;line-height:1.4;color:var(--muted);font-variant-numeric:tabular-nums;word-break:break-all}
.news-body{min-width:0;display:flex;flex-direction:column;gap:8px}
.news-body h3{font-size:18px;font-weight:700;line-height:1.5}
.news-body h3 a:hover{color:var(--accent)}
.news-body p{font-size:14px;color:var(--muted);line-height:1.7}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.clamp-3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-foot{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
.news-foot .go{color:var(--deep-2);font-weight:600;display:inline-flex;align-items:center;gap:6px}
.news-foot .go:hover{color:var(--accent)}
.empty-state{border:1px dashed var(--border-strong);border-radius:var(--r-lg);padding:48px 24px;text-align:center;background:#fff}
.empty-state i{font-size:26px;color:var(--amber);margin-bottom:12px;display:block}
.empty-state p{font-size:15px;color:var(--muted)}
.side-card{background:var(--card);border:1px solid var(--border);border-radius:var(--r-lg);padding:24px;box-shadow:var(--shadow-1);margin-bottom:20px}
.side-card h3{font-size:16px;font-weight:700;margin-bottom:16px;display:flex;align-items:center;gap:8px}
.side-card h3 i{color:var(--accent);font-size:14px}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag-cloud a{font-size:13px;color:var(--muted);background:var(--bg);border:1px solid var(--border);border-radius:var(--r-pill);padding:6px 12px;transition:all .2s ease}
.tag-cloud a:hover{color:var(--deep);background:var(--accent-soft);border-color:var(--accent-line)}
.side-list li{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--border)}
.side-list li:last-child{border-bottom:0;padding-bottom:0}
.side-list img{width:96px;height:72px;object-fit:cover;border-radius:10px;flex-shrink:0}
.side-list h4{font-size:14px;font-weight:600;line-height:1.5}
.side-list h4 a:hover{color:var(--accent)}
.side-list span{font-size:12px;color:var(--muted)}
.side-note{font-size:14px;color:var(--muted);line-height:1.75}

/* ---------- 相关推荐 ---------- */
.scroll-x{display:flex;gap:20px;overflow-x:auto;padding:6px 4px 18px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch}
.scroll-x::-webkit-scrollbar{height:6px}
.scroll-x::-webkit-scrollbar-thumb{background:rgba(14,42,37,.16);border-radius:999px}
.rec-card{flex:0 0 268px;scroll-snap-align:start;background:var(--card);border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-1);transition:transform .24s ease,box-shadow .24s ease}
.rec-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.rec-card img{width:100%;height:150px;object-fit:cover;border-radius:0}
.rec-card .body{padding:16px 18px 20px}
.rec-card h3{font-size:16px;font-weight:700;line-height:1.5;margin:10px 0 6px}
.rec-card:hover h3{color:var(--deep-2)}
.rec-card p{font-size:13px;color:var(--muted);line-height:1.65}

/* ---------- 收藏/分享 CTA ---------- */
.cta-band{background:var(--deep);border-radius:24px;padding:44px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;color:#fff;position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;background:rgba(31,210,134,.14)}
.cta-band h2{font-size:26px;font-weight:700;line-height:1.35;position:relative}
.cta-band p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.72);position:relative}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative}
.icon-btn{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;padding:12px 20px;border-radius:var(--r-pill);background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.24);color:#fff;transition:all .2s ease}
.icon-btn:hover{background:var(--accent);border-color:var(--accent);color:var(--deep);transform:translateY(-1px)}
.icon-btn.copied{background:var(--accent);border-color:var(--accent);color:var(--deep)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--border);background:transparent}
.faq-item:first-of-type{border-top:1px solid var(--border)}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px 4px;font-size:16px;font-weight:600;line-height:1.5;cursor:pointer;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--deep-2)}
.faq-icon{flex-shrink:0;width:26px;height:26px;border-radius:50%;background:var(--accent-soft);color:var(--deep-2);display:inline-flex;align-items:center;justify-content:center;font-size:12px;transition:transform .2s ease,background-color .2s ease}
.faq-item[open] .faq-icon{transform:rotate(180deg);background:var(--accent);color:var(--deep)}
.faq-answer{padding:0 4px 24px;font-size:15px;line-height:1.85;color:var(--muted)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--deep);color:rgba(255,255,255,.78);padding:64px 0 28px;margin-top:var(--s4)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-brand .brand-text{color:#fff}
.footer-brand .brand-icon{background:var(--accent);color:var(--deep)}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;max-width:320px;color:rgba(255,255,255,.6)}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col a,.footer-col li{display:block;font-size:14px;line-height:2.1;color:rgba(255,255,255,.66)}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5)}
.footer-social{display:flex;gap:10px;margin-top:20px}
.footer-social a{width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.08);display:inline-flex;align-items:center;justify-content:center;font-size:14px;color:rgba(255,255,255,.75)}
.footer-social a:hover{background:var(--accent);color:var(--deep)}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .container{padding:0 20px}
  .hero-inner{min-height:520px;gap:36px}
  .hero-copy h1{font-size:36px}
  .main-nav a{padding:8px 11px;font-size:14px}
  .search-box{width:200px}
}
@media (max-width:992px){
  .section{padding:72px 0}
  .section--tight{padding:56px 0}
  .hero-inner{grid-template-columns:1fr;gap:32px;padding:56px 0 64px;min-height:auto}
  .hero-copy h1{font-size:34px}
  .hero-card img{height:220px}
  .catalog-grid{grid-template-columns:1fr;gap:20px}
  .catalog-card:nth-child(even){margin-top:0}
  .feature-grid{grid-template-columns:1fr;grid-template-rows:auto}
  .feature-main{grid-row:auto}
  .latest-layout{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .main-nav{display:none}
  .nav-right .search-box,.nav-right .btn-ghost{display:none}
  .menu-toggle{display:inline-flex}
  .site-header.menu-open .main-nav{display:flex;flex-direction:column;align-items:stretch;gap:4px;position:absolute;top:72px;left:0;right:0;background:#FFFDF9;padding:16px 20px 22px;border-bottom:1px solid var(--border);box-shadow:var(--shadow-2);margin-left:0}
  .site-header.menu-open .main-nav a{padding:12px 14px;font-size:15px}
  .site-header.menu-open .nav-search-mobile{display:flex;width:100%;margin-top:10px;background:#fff}
  .site-header.menu-open .nav-right .btn-primary{display:none}
  .hero-copy h1{font-size:29px}
  .hero-sub{font-size:16px}
  .hero-stats li{flex:1 1 30%;min-width:0;padding:10px 14px}
  .hero-stats strong{font-size:17px}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:28px}
  .section-head h2{font-size:24px}
  .feature-main .thumb img{height:220px}
  .feature-main h3{font-size:20px}
  .feature-side{flex-direction:column}
  .feature-side .thumb{width:100%;height:150px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 26px;border-radius:20px}
  .cta-band h2{font-size:22px}
  .cta-actions{width:100%}
  .cta-actions .icon-btn{flex:1 1 100%;justify-content:center}
  .news-item{flex-direction:column;gap:14px}
  .news-date{width:100%;height:auto;flex-direction:row;justify-content:flex-start;padding:8px 12px}
  .rec-card{flex:0 0 236px}
  .site-footer{padding:48px 0 24px}
}
@media (max-width:576px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .hero-inner{padding:44px 0 52px}
  .hero-copy h1{font-size:25px;line-height:1.3}
  .hero-actions .btn{width:100%}
  .hero-card img{height:180px}
  .catalog-card{padding:20px}
  .catalog-name{font-size:18px}
  .btn{font-size:14px;padding:11px 18px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
}

/* roulang page: article */
:root{
  --ink:#0E2A25;
  --ink-deep:#0B3B36;
  --accent:#1FD286;
  --accent-soft:rgba(31,210,134,.12);
  --amber:#FFB547;
  --amber-soft:rgba(255,181,71,.16);
  --bg:#F6F8F5;
  --card:#FFFFFF;
  --text:#12201C;
  --muted:#5E6F69;
  --border:rgba(14,42,37,.08);
  --r-lg:20px;
  --r-md:14px;
  --r-sm:12px;
  --sh-1:0 8px 24px rgba(14,42,37,.06);
  --sh-2:0 16px 40px rgba(14,42,37,.10);
  --container:1200px;
  --ease:.2s ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;border-radius:var(--r-md);}
a{color:inherit;text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--accent);}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input{font:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.3;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
}
.nav-wrap{display:flex;align-items:center;gap:20px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-icon{
  width:30px;height:30px;border-radius:9px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--accent),#12a86a);
  color:#fff;font-size:14px;
  box-shadow:0 6px 16px rgba(31,210,134,.32);
}
.brand-text{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:.2px;}
.main-nav{display:flex;align-items:center;gap:6px;flex:1;min-width:0;}
.main-nav > a{
  font-size:15px;font-weight:500;color:var(--muted);
  padding:9px 12px;border-radius:999px;white-space:nowrap;
  transition:background var(--ease),color var(--ease);
}
.main-nav > a:hover{color:var(--ink);background:rgba(14,42,37,.05);}
.main-nav > a.active{color:#fff;background:var(--accent);font-weight:600;}
.main-nav > a.active:hover{color:#fff;background:var(--accent);}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto;}
.search-box{
  position:relative;display:flex;align-items:center;
  width:224px;height:42px;background:#fff;
  border:1px solid var(--border);border-radius:var(--r-sm);
  padding:0 12px;transition:border-color var(--ease),box-shadow var(--ease);
}
.search-box:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft);}
.search-box i{color:var(--muted);font-size:14px;margin-right:8px;}
.search-box input{flex:1;min-width:0;border:0;outline:0;background:transparent;font-size:14px;color:var(--text);}
.search-box input::placeholder{color:#93a29c;}
.nav-search-mobile{display:none;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;
  padding:12px 18px;border-radius:var(--r-sm);
  border:1px solid transparent;cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
}
.btn-ghost{color:var(--ink);border-color:var(--border);background:#fff;}
.btn-ghost:hover{border-color:var(--accent);color:var(--ink);background:var(--accent-soft);}
.btn-primary{background:var(--accent);color:#04231a;border-radius:999px;box-shadow:0 8px 20px rgba(31,210,134,.28);}
.btn-primary:hover{background:#25e394;color:#04231a;transform:translateY(-1px);box-shadow:0 12px 26px rgba(31,210,134,.36);}
.btn-dark{background:var(--ink);color:#fff;border-radius:999px;}
.btn-dark:hover{background:var(--ink-deep);color:#fff;transform:translateY(-1px);}
.btn:active{transform:scale(.98);}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}
.menu-toggle{display:none;width:42px;height:42px;border-radius:var(--r-sm);border:1px solid var(--border);color:var(--ink);font-size:17px;}
.menu-toggle:hover{background:rgba(14,42,37,.05);}
.nav-overlay{
  position:fixed;inset:72px 0 0 0;background:rgba(11,59,54,.6);
  opacity:0;visibility:hidden;transition:opacity var(--ease);z-index:55;
}
.nav-overlay.show{opacity:1;visibility:visible;}

/* ---------- breadcrumb ---------- */
.crumb-bar{background:#fff;border-bottom:1px solid var(--border);}
.crumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:14px;color:var(--muted);padding:14px 0;}
.crumb a:hover{color:var(--accent);}
.crumb .sep{color:#b9c5c0;}
.crumb .current{color:var(--ink);font-weight:600;max-width:62ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- article head ---------- */
.article-head{background:#fff;padding:40px 0 32px;border-bottom:1px solid var(--border);}
.article-head-grid{display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:40px;align-items:center;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:500;line-height:1;
  padding:7px 12px;border-radius:999px;
  background:var(--accent-soft);color:#0d7f52;
}
.badge-amber{background:var(--amber-soft);color:#8a5b0c;}
.article-head h1{font-size:40px;line-height:1.28;font-weight:800;margin:16px 0 14px;letter-spacing:-.4px;}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:14px;color:var(--muted);}
.article-meta span{display:inline-flex;align-items:center;gap:6px;}
.article-meta i{color:var(--accent);}
.head-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px;}
.icon-btn{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--ink);
  padding:10px 16px;border-radius:999px;border:1px solid var(--border);background:#fff;
  transition:all var(--ease);
}
.icon-btn:hover{border-color:var(--accent);background:var(--accent-soft);color:var(--ink);}
.head-cover{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2);}
.head-cover img{width:100%;height:260px;object-fit:cover;border-radius:0;}

/* ---------- layout ---------- */
.article-main{padding:56px 0 72px;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;align-items:start;}
.article-body{max-width:780px;font-size:17px;line-height:1.85;color:var(--text);}
.article-body > * + *{margin-top:1.05em;}
.article-body p{margin:0 0 1.15em;}
.article-body h2{font-size:26px;font-weight:700;margin:2em 0 .75em;padding-left:14px;border-left:4px solid var(--accent);line-height:1.4;}
.article-body h3{font-size:20px;font-weight:600;margin:1.5em 0 .6em;color:var(--ink-deep);}
.article-body a{color:#0d7f52;font-weight:600;border-bottom:1px solid rgba(31,210,134,.5);}
.article-body a:hover{color:var(--accent);}
.article-body img{width:100%;border-radius:var(--r-md);box-shadow:var(--sh-1);margin:1.4em 0 .8em;}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-bottom:1.4em;}
.article-body ul,.article-body ol{padding-left:1.3em;margin:0 0 1.2em;list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin:.5em 0;}
.article-body blockquote{
  margin:1.4em 0;padding:18px 22px;background:#fff;
  border-left:3px solid var(--accent);border-radius:0 var(--r-md) var(--r-md) 0;
  color:var(--muted);box-shadow:var(--sh-1);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:15px;background:#fff;border-radius:var(--r-md);overflow:hidden;}
.article-body th,.article-body td{border:1px solid var(--border);padding:12px 14px;text-align:left;}
.article-body th{background:rgba(14,42,37,.04);color:var(--ink);font-weight:600;}
.article-body strong{color:var(--ink);}
.article-body code{background:rgba(14,42,37,.06);padding:2px 6px;border-radius:6px;font-size:15px;}
.article-body hr{border:0;border-top:1px solid var(--border);margin:2em 0;}
.table-scroll{overflow-x:auto;}
.empty-state{
  background:#fff;border:1px dashed var(--border);border-radius:var(--r-lg);
  padding:56px 28px;text-align:center;box-shadow:var(--sh-1);
}
.empty-state i{font-size:34px;color:var(--amber);}
.empty-state h3{margin:16px 0 8px;font-size:20px;}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:22px;}
.article-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:36px;padding-top:24px;border-top:1px solid var(--border);}

/* ---------- sidebar ---------- */
.sidebar{position:sticky;top:96px;display:grid;gap:20px;}
.side-card{background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);padding:22px;box-shadow:var(--sh-1);}
.side-card h3{font-size:16px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.side-card h3 i{color:var(--accent);font-size:14px;}
.toc-list li{border-bottom:1px dashed var(--border);}
.toc-list li:last-child{border-bottom:0;}
.toc-list a{display:flex;gap:10px;align-items:baseline;padding:10px 0;font-size:14px;color:var(--muted);}
.toc-list a:hover{color:var(--ink);}
.toc-list .num{font-size:12px;font-weight:700;color:var(--amber);}
.side-hot li + li{margin-top:12px;}
.side-hot a{display:flex;gap:12px;align-items:flex-start;font-size:14px;line-height:1.6;color:var(--text);}
.side-hot a:hover{color:var(--accent);}
.side-hot .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);margin-top:8px;flex-shrink:0;}
.side-tags{display:flex;flex-wrap:wrap;gap:8px;}
.side-tags span{font-size:12px;font-weight:500;padding:6px 11px;border-radius:999px;background:rgba(14,42,37,.05);color:var(--muted);}
.side-cta{background:var(--ink);border-radius:var(--r-lg);padding:24px;color:#eaf5f1;}
.side-cta h3{color:#fff;font-size:17px;}
.side-cta p{font-size:14px;line-height:1.7;color:rgba(234,245,241,.75);margin:8px 0 16px;}

/* ---------- section base ---------- */
.section{padding:72px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap;}
.section-head h2{font-size:30px;font-weight:700;letter-spacing:-.3px;}
.section-head p{font-size:15px;color:var(--muted);margin-top:10px;max-width:60ch;}
.section-head .more{font-size:14px;font-weight:600;color:#0d7f52;white-space:nowrap;}
.section-head .more:hover{color:var(--accent);}
.bg-white{background:#fff;}

/* ---------- related ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.post-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform var(--ease),box-shadow var(--ease);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.post-card:hover h3{color:#0d7f52;}
.post-card .thumb{overflow:hidden;border-radius:0;}
.post-card .thumb img{width:100%;height:168px;object-fit:cover;border-radius:0;transition:transform var(--ease);}
.post-card:hover .thumb img{transform:scale(1.02);}
.post-card .body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-card h3{font-size:17px;font-weight:600;line-height:1.5;}
.post-card p{font-size:14px;color:var(--muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-card .foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;font-size:13px;color:var(--muted);}
.back-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:32px;}

/* ---------- faq ---------- */
.faq-list{background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden;}
.faq-item + .faq-item{border-top:1px solid var(--border);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:16px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:#0d7f52;}
.faq-item summary .chev{color:var(--accent);font-size:14px;transition:transform var(--ease);}
.faq-item[open] summary .chev{transform:rotate(180deg);}
.faq-item .answer{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--muted);background:#fff;}

/* ---------- cta ---------- */
.cta-band{
  background:linear-gradient(135deg,var(--ink) 0%,var(--ink-deep) 100%);
  border-radius:24px;padding:40px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  box-shadow:var(--sh-2);
}
.cta-band h2{color:#fff;font-size:26px;font-weight:700;}
.cta-band p{color:rgba(255,255,255,.72);font-size:15px;margin-top:10px;max-width:52ch;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.cta-btn{
  display:inline-flex;align-items:center;gap:9px;
  padding:13px 22px;border-radius:999px;font-size:15px;font-weight:600;
  background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.18);
  transition:all var(--ease);
}
.cta-btn:hover{background:var(--accent);color:#04231a;border-color:var(--accent);transform:translateY(-1px);}
.cta-btn.solid{background:var(--accent);color:#04231a;border-color:var(--accent);}
.cta-btn.solid:hover{background:#25e394;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(246,248,245,.78);padding:64px 0 28px;margin-top:24px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;}
.footer-brand .brand-text{color:#fff;}
.footer-brand p{font-size:14px;line-height:1.8;margin:16px 0 18px;max-width:38ch;color:rgba(246,248,245,.68);}
.footer-social{display:flex;gap:10px;}
.footer-social a{
  width:38px;height:38px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.07);color:rgba(246,248,245,.85);
}
.footer-social a:hover{background:var(--accent);color:#04231a;}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-col a{display:block;font-size:14px;color:rgba(246,248,245,.72);padding:6px 0;}
.footer-col a:hover{color:var(--accent);}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:rgba(246,248,245,.6);
}

/* ---------- responsive ---------- */
@media (max-width:1200px){
  .container{padding:0 20px;}
  .article-head h1{font-size:34px;}
  .article-layout{gap:32px;}
}
@media (max-width:992px){
  .article-head-grid{grid-template-columns:1fr;gap:26px;}
  .head-cover img{height:220px;}
  .article-layout{grid-template-columns:1fr;}
  .sidebar{position:static;grid-template-columns:repeat(2,minmax(0,1fr));display:grid;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .main-nav > a{font-size:14px;padding:9px 10px;}
  .search-box{width:190px;}
}
@media (max-width:768px){
  .section{padding:56px 0;}
  .section-head h2{font-size:24px;}
  .menu-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .nav-right .search-box,.nav-right .btn-ghost{display:none;}
  .main-nav{
    position:fixed;top:72px;right:0;bottom:0;width:min(320px,86vw);
    background:#FBFCFA;flex-direction:column;align-items:stretch;gap:4px;
    padding:20px;overflow-y:auto;transform:translateX(102%);
    transition:transform .24s ease;box-shadow:-12px 0 32px rgba(14,42,37,.18);z-index:58;
  }
  .main-nav.open{transform:translateX(0);}
  .main-nav > a{padding:13px 14px;border-radius:var(--r-sm);font-size:15px;}
  .main-nav > a.active{background:var(--accent);}
  .nav-search-mobile{display:flex;width:100%;margin-top:12px;}
  .main-nav .btn{width:100%;margin-top:10px;}
  .article-head{padding:28px 0 24px;}
  .article-head h1{font-size:27px;line-height:1.35;}
  .article-body{font-size:16px;}
  .article-body h2{font-size:22px;}
  .article-body h3{font-size:18px;}
  .sidebar{grid-template-columns:1fr;}
  .related-grid{grid-template-columns:1fr;}
  .cta-band{padding:28px;border-radius:20px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
}
@media (max-width:576px){
  .container{padding:0 16px;}
  .article-head h1{font-size:23px;}
  .section-head h2{font-size:21px;}
  .btn{width:100%;}
  .head-actions .icon-btn,.head-actions .btn{width:100%;justify-content:center;}
  .back-row .btn{width:100%;}
  .faq-item summary{padding:16px 18px;font-size:15px;}
  .faq-item .answer{padding:0 18px 18px;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: category1 */
:root{
  --ink:#0E2A25;
  --ink-2:#0B3B36;
  --ink-soft:#15403A;
  --accent:#1FD286;
  --accent-soft:rgba(31,210,134,.12);
  --amber:#FFB547;
  --amber-soft:rgba(255,181,71,.16);
  --bg:#F6F8F5;
  --card:#FFFFFF;
  --text:#12201C;
  --muted:#5E6F69;
  --line:rgba(14,42,37,.08);
  --line-strong:rgba(14,42,37,.16);
  --r-lg:20px;
  --r-md:14px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(14,42,37,.06);
  --sh-2:0 16px 40px rgba(14,42,37,.10);
  --pad-x:24px;
  --sec-y:96px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
h1,h2,h3,h4,p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--pad-x)}
.section{padding:var(--sec-y) 0}
.section-head{margin-bottom:36px;max-width:760px}
.section-head h2{font-size:30px;line-height:38px;font-weight:700;color:var(--ink);letter-spacing:-.2px}
.section-head p{margin-top:12px;color:var(--muted);font-size:15px;line-height:1.8}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;letter-spacing:.12em;color:var(--ink-soft);text-transform:uppercase;background:var(--accent-soft);border-radius:var(--r-pill);padding:5px 12px;margin-bottom:16px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:20px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:18px;color:var(--ink);white-space:nowrap}
.brand-icon{
  width:28px;height:28px;border-radius:9px;background:var(--accent);color:#06231D;
  display:grid;place-items:center;font-size:14px;flex:0 0 auto;
}
.brand-text{letter-spacing:-.2px}
.main-nav{display:flex;align-items:center;gap:4px;flex:1;min-width:0}
.main-nav > a{
  font-size:15px;line-height:22px;padding:8px 13px;border-radius:var(--r-pill);
  color:#2C403A;transition:background .18s ease,color .18s ease;white-space:nowrap;
}
.main-nav > a:hover{background:var(--accent-soft);color:var(--ink)}
.main-nav > a.active{background:var(--ink);color:#fff}
.main-nav > a.active:hover{background:var(--ink-soft);color:#fff}
.nav-right{display:flex;align-items:center;gap:10px;margin-left:auto}
.search-box{
  display:flex;align-items:center;gap:8px;height:42px;padding:0 14px;
  border:1px solid var(--line);border-radius:var(--r-sm);background:#fff;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.search-box:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px rgba(31,210,134,.16)}
.search-box i{color:var(--muted);font-size:13px}
.search-box input{border:0;outline:0;background:none;width:186px;font-size:14px}
.search-box input::placeholder{color:#93A29C}
.nav-search-mobile{display:none}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;line-height:20px;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease,opacity .18s ease;
}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--ink);color:#fff;box-shadow:0 8px 20px rgba(14,42,37,.18)}
.btn-primary:hover{background:var(--ink-soft);transform:translateY(-1px);box-shadow:0 12px 26px rgba(14,42,37,.22)}
.btn-ghost{background:#fff;border-color:var(--line-strong);color:var(--ink)}
.btn-ghost:hover{background:var(--accent-soft);border-color:rgba(31,210,134,.5);transform:translateY(-1px)}
.btn-accent{background:var(--accent);color:#06231D}
.btn-accent:hover{filter:brightness(1.05);transform:translateY(-1px);box-shadow:0 10px 24px rgba(31,210,134,.32)}
.btn-text{color:var(--ink);padding:0 6px;height:auto;background:none}
.btn-text:hover{color:var(--accent);text-decoration:underline;text-underline-offset:4px}
.btn[disabled],.btn.is-disabled{opacity:.5;pointer-events:none}
.btn-pill{border-radius:var(--r-pill)}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-sm);
  border:1px solid var(--line-strong);background:#fff;color:var(--ink);
  place-items:center;font-size:17px;
}
.menu-toggle:hover{background:var(--accent-soft)}

/* ---------- breadcrumb ---------- */
.crumb{padding:18px 0 0;font-size:13px;color:var(--muted)}
.crumb ol{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.crumb li::after{content:"/";margin-left:8px;color:var(--line-strong)}
.crumb li:last-child::after{content:""}
.crumb a:hover{color:var(--accent)}

/* ---------- hero ---------- */
.cat-hero{position:relative;overflow:hidden;border-radius:0 0 var(--r-lg) var(--r-lg);margin-top:18px}
.cat-hero-media{position:absolute;inset:0;background-image:url("/assets/images/backpic/back-2.webp");background-size:cover;background-position:center;transform:scale(1.02)}
.cat-hero-mask{position:absolute;inset:0;background:linear-gradient(105deg,rgba(11,59,54,.94) 0%,rgba(11,59,54,.82) 46%,rgba(14,42,37,.55) 100%)}
.cat-hero-inner{position:relative;padding:64px 0 56px;color:#fff}
.cat-hero-top{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,.85fr);gap:40px;align-items:end}
.cat-hero h1{font-size:40px;line-height:48px;font-weight:800;letter-spacing:-.5px;color:#fff}
.cat-hero h1 .thin{display:block;font-size:20px;line-height:30px;font-weight:500;color:rgba(255,255,255,.78);margin-top:14px;letter-spacing:0}
.cat-hero p.lead{margin-top:18px;font-size:16px;line-height:1.85;color:rgba(255,255,255,.86);max-width:620px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.hero-tags span{
  display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:500;
  padding:7px 13px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);color:#fff;
}
.hero-tags i{color:var(--accent)}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.stat{
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-md);padding:16px 14px;
}
.stat b{display:block;font-size:24px;line-height:30px;font-weight:800;color:var(--accent);font-variant-numeric:tabular-nums}
.stat small{display:block;margin-top:6px;font-size:12px;line-height:18px;color:rgba(255,255,255,.72)}

/* ---------- filter bar ---------- */
.filter-bar{
  margin-top:-26px;position:relative;z-index:5;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:18px 20px;
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;
}
.chip-group{display:flex;flex-wrap:wrap;gap:8px}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:500;line-height:18px;
  padding:8px 14px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#FBFCFA;color:#33453F;
  transition:all .18s ease;
}
.chip:hover{border-color:rgba(31,210,134,.55);color:var(--ink);background:var(--accent-soft)}
.chip.is-on{background:var(--ink);border-color:var(--ink);color:#fff}
.filter-right{display:flex;align-items:center;gap:10px;margin-left:auto}
.select-wrap{position:relative;display:inline-flex;align-items:center}
.select-wrap i{position:absolute;right:12px;font-size:11px;color:var(--muted);pointer-events:none}
.select-wrap select{
  appearance:none;-webkit-appearance:none;
  height:42px;padding:0 34px 0 14px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:#fff;font-size:14px;color:#33453F;cursor:pointer;
}
.select-wrap select:hover{border-color:rgba(31,210,134,.5)}
.filter-search{height:42px;min-width:230px}

/* ---------- index list ---------- */
.index-list{display:flex;flex-direction:column;gap:14px;margin-top:8px}
.index-item{
  display:grid;grid-template-columns:64px 96px minmax(0,1fr) auto;
  gap:20px;align-items:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:18px 22px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.index-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(31,210,134,.35)}
.index-no{
  font-size:22px;font-weight:800;color:var(--amber);letter-spacing:-.5px;
  font-variant-numeric:tabular-nums;
}
.index-thumb{width:96px;height:72px;border-radius:10px;overflow:hidden;background:#EDF1ED}
.index-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .2s ease}
.index-item:hover .index-thumb img{transform:scale(1.02)}
.index-body h3{font-size:17px;line-height:26px;font-weight:600;color:var(--ink);transition:color .18s ease}
.index-item:hover .index-body h3{color:var(--accent)}
.index-body p{margin-top:6px;font-size:14px;line-height:1.75;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.index-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.badge{
  display:inline-flex;align-items:center;gap:5px;
  font-size:12px;line-height:18px;font-weight:500;
  padding:3px 10px;border-radius:var(--r-pill);
}
.badge-green{background:var(--accent-soft);color:#0C5A41}
.badge-amber{background:var(--amber-soft);color:#8A5A08}
.badge-plain{background:#F1F4F1;color:var(--muted)}
.index-go{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--muted);font-size:13px;font-weight:600;
  transition:color .18s ease,gap .18s ease;
}
.index-item:hover .index-go{color:var(--accent);gap:12px}

/* ---------- scene grid (2 col 错落) ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.scene-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease;
  display:flex;flex-direction:column;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.scene-card figure{margin:0;aspect-ratio:16/9;overflow:hidden;background:#EDF1ED}
.scene-card figure img{width:100%;height:100%;object-fit:cover;transition:transform .2s ease}
.scene-card:hover figure img{transform:scale(1.02)}
.scene-body{padding:22px}
.scene-body h3{font-size:20px;line-height:28px;font-weight:600;color:var(--ink)}
.scene-body p{margin-top:10px;font-size:15px;line-height:1.8;color:var(--muted)}
.scene-list{margin-top:14px;display:flex;flex-direction:column;gap:8px}
.scene-list li{display:flex;gap:10px;font-size:14px;line-height:1.7;color:#3B4F49}
.scene-list i{color:var(--accent);font-size:12px;margin-top:7px}
.scene-card:nth-child(2){margin-top:36px}
.scene-card:nth-child(3){margin-top:-36px}
.scene-card:nth-child(4){margin-top:0}

/* ---------- timeline ---------- */
.timeline{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;position:relative}
.step{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 24px;box-shadow:var(--sh-1);position:relative;
  transition:transform .2s ease,box-shadow .2s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.step-no{
  display:inline-grid;place-items:center;width:40px;height:40px;border-radius:12px;
  background:var(--accent-soft);color:#0C5A41;font-weight:800;font-size:15px;
}
.step h3{margin-top:16px;font-size:18px;line-height:26px;font-weight:600;color:var(--ink)}
.step p{margin-top:10px;font-size:14.5px;line-height:1.8;color:var(--muted)}

/* ---------- related categories ---------- */
.cat-switch{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.cat-card{
  display:flex;gap:18px;align-items:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(31,210,134,.35)}
.cat-card .icon-sq{
  width:52px;height:52px;border-radius:16px;flex:0 0 auto;display:grid;place-items:center;
  background:var(--ink);color:var(--accent);font-size:20px;
}
.cat-card.is-current .icon-sq{background:var(--accent);color:#06231D}
.cat-card h3{font-size:17px;line-height:26px;font-weight:600;color:var(--ink)}
.cat-card p{margin-top:6px;font-size:13.5px;line-height:1.7;color:var(--muted)}
.cat-card .arrow{margin-left:auto;color:var(--muted);transition:color .18s ease,transform .18s ease}
.cat-card:hover .arrow{color:var(--accent);transform:translateX(4px)}

/* ---------- FAQ ---------- */
.faq{max-width:860px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;text-align:left;font-size:16px;line-height:24px;font-weight:600;color:var(--ink);
  transition:color .18s ease;
}
.faq-q:hover{color:var(--accent)}
.faq-icon{
  flex:0 0 auto;width:30px;height:30px;border-radius:50%;
  display:grid;place-items:center;background:#F1F4F1;color:var(--ink);
  font-size:12px;transition:transform .2s ease,background .2s ease,color .2s ease;
}
.faq-item.open .faq-icon{transform:rotate(180deg);background:var(--accent);color:#06231D}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease}
.faq-a p{padding:0 4px 22px;font-size:15px;line-height:26px;color:var(--muted);max-width:760px}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--ink);border-radius:24px;padding:34px 36px;color:#fff;
  display:flex;align-items:center;gap:28px;flex-wrap:wrap;
  box-shadow:var(--sh-2);
}
.cta-band h2{font-size:22px;line-height:32px;font-weight:700;color:#fff}
.cta-band p{margin-top:8px;font-size:14px;line-height:1.75;color:rgba(255,255,255,.72)}
.cta-actions{display:flex;gap:12px;margin-left:auto;flex-wrap:wrap}
.cta-actions .btn{height:46px;border-radius:var(--r-pill)}
.btn-outline-light{background:transparent;border:1px solid rgba(255,255,255,.32);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.1);border-color:var(--accent);color:var(--accent);transform:translateY(-1px)}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{background:var(--accent);color:#06231D;transform:translateY(-1px)}

/* ---------- toast ---------- */
.toast{
  position:fixed;left:50%;bottom:34px;transform:translate(-50%,14px);
  background:var(--ink);color:#fff;font-size:14px;
  padding:12px 20px;border-radius:var(--r-pill);box-shadow:var(--sh-2);
  opacity:0;pointer-events:none;transition:opacity .22s ease,transform .22s ease;z-index:200;
}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.78);margin-top:96px;padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.footer-brand .brand{color:#fff}
.footer-brand .brand-icon{background:var(--accent);color:#06231D}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:320px}
.footer-social{display:flex;gap:10px;margin-top:20px}
.footer-social a{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:rgba(255,255,255,.08);color:rgba(255,255,255,.8);
  transition:background .18s ease,color .18s ease,transform .18s ease;
}
.footer-social a:hover{background:var(--accent);color:#06231D;transform:translateY(-2px)}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.04em}
.footer-col a{display:block;font-size:14px;line-height:22px;padding:6px 0;color:rgba(255,255,255,.66);transition:color .18s ease}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- responsive ---------- */
@media (max-width:1200px){
  :root{--pad-x:20px;--sec-y:80px}
  .search-box input{width:158px}
  .main-nav > a{padding:8px 10px;font-size:14px}
}
@media (max-width:992px){
  :root{--sec-y:72px}
  .main-nav > a{padding:8px 9px;font-size:14px}
  .nav-right .search-box{display:none}
  .cat-hero-top{grid-template-columns:1fr;gap:28px;align-items:start}
  .hero-stats{max-width:520px}
  .index-item{grid-template-columns:52px 84px minmax(0,1fr);gap:16px}
  .index-thumb{width:84px;height:64px}
  .index-go{grid-column:3;justify-content:flex-start;margin-top:4px}
  .scene-grid{grid-template-columns:1fr}
  .scene-card:nth-child(2),.scene-card:nth-child(3){margin-top:0}
  .timeline{grid-template-columns:1fr}
  .cat-switch{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:768px){
  :root{--pad-x:16px;--sec-y:56px}
  .nav-wrap{height:64px;gap:12px}
  .menu-toggle{display:grid}
  .nav-right .btn-ghost{display:none}
  .main-nav{
    position:fixed;top:64px;left:0;right:0;bottom:0;z-index:70;
    display:flex;flex-direction:column;align-items:stretch;gap:6px;
    background:#FBFCFA;padding:20px 16px 32px;overflow-y:auto;
    transform:translateY(-10px);opacity:0;visibility:hidden;
    transition:transform .22s ease,opacity .22s ease,visibility .22s;
    border-top:1px solid var(--line);
  }
  .main-nav.open{transform:translateY(0);opacity:1;visibility:visible}
  .main-nav > a{padding:14px 14px;font-size:16px;border-radius:var(--r-sm)}
  .main-nav > a.active{background:var(--ink);color:#fff}
  .nav-search-mobile{display:flex;width:100%;margin-top:10px;height:46px}
  .nav-search-mobile input{width:100%}
  .nav-right .btn-primary{display:none}
  body.menu-open::before{
    content:"";position:fixed;inset:0;background:rgba(14,42,37,.6);z-index:65;
  }
  body.menu-open{overflow:hidden}
  .cat-hero{border-radius:0 0 18px 18px}
  .cat-hero-inner{padding:40px 0 44px}
  .cat-hero h1{font-size:30px;line-height:38px}
  .cat-hero h1 .thin{font-size:16px;line-height:26px;margin-top:10px}
  .hero-stats{grid-template-columns:repeat(3,1fr);gap:10px}
  .stat{padding:12px 10px}
  .stat b{font-size:20px;line-height:26px}
  .filter-bar{padding:16px;gap:12px;margin-top:-18px}
  .filter-right{width:100%;margin-left:0}
  .filter-search{width:100%;min-width:0}
  .index-item{grid-template-columns:44px minmax(0,1fr);gap:14px;padding:16px}
  .index-thumb{display:none}
  .index-go{grid-column:2}
  .index-no{font-size:19px}
  .cta-band{padding:26px 22px;flex-direction:column;align-items:flex-start;gap:20px}
  .cta-actions{margin-left:0;width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:576px){
  .section-head h2{font-size:24px;line-height:32px}
  .cat-hero h1{font-size:26px;line-height:34px}
  .hero-stats{grid-template-columns:1fr 1fr}
  .hero-stats .stat:last-child{grid-column:span 2}
  .index-body h3{font-size:16px;line-height:24px}
  .scene-body{padding:18px}
  .scene-body h3{font-size:18px;line-height:26px}
  .faq-q{font-size:15px;padding:18px 2px}
  .btn{width:100%}
  .btn-text,.index-go{width:auto}
  .brand{font-size:16px}
  .search-box input{width:100%}
}

/* roulang page: category2 */
/* ============ 设计变量 ============ */
:root{
  --ink:#0E2A25;
  --ink-deep:#0B3B36;
  --accent:#1FD286;
  --accent-dark:#12A969;
  --accent-soft:rgba(31,210,134,.12);
  --amber:#FFB547;
  --amber-soft:rgba(255,181,71,.18);
  --bg:#F6F8F5;
  --card:#FFFFFF;
  --text:#12201C;
  --muted:#5E6F69;
  --border:rgba(14,42,37,.08);
  --border-strong:rgba(14,42,37,.16);
  --radius-lg:24px;
  --radius-md:20px;
  --radius-sm:14px;
  --radius-xs:12px;
  --shadow-1:0 8px 24px rgba(14,42,37,.06);
  --shadow-2:0 16px 40px rgba(14,42,37,.10);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  --ease:200ms cubic-bezier(.4,0,.2,1);
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure,blockquote,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
a{color:inherit;text-decoration:none;transition:color var(--ease);}
img{max-width:100%;display:block;}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,select{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}
::selection{background:var(--accent-soft);}
.num,time,.stat-num{font-variant-numeric:tabular-nums;}

/* ============ 容器 ============ */
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 20px;
  font-size:15px;
  font-weight:600;
  line-height:20px;
  border-radius:var(--radius-xs);
  border:1px solid transparent;
  transition:transform var(--ease),box-shadow var(--ease),background-color var(--ease),color var(--ease),border-color var(--ease);
  white-space:nowrap;
}
.btn:active{transform:scale(.98);}
.btn-primary{
  background:var(--accent);
  color:#06301F;
  box-shadow:0 6px 18px rgba(31,210,134,.28);
}
.btn-primary:hover{
  filter:brightness(1.05);
  transform:translateY(-1px);
  box-shadow:0 10px 26px rgba(31,210,134,.34);
}
.btn-ghost{
  background:#fff;
  color:var(--ink);
  border-color:var(--border-strong);
}
.btn-ghost:hover{
  background:var(--accent-soft);
  border-color:var(--accent);
  color:var(--ink-deep);
}
.btn-dark{
  background:var(--ink-deep);
  color:#EAF6F1;
}
.btn-dark:hover{
  filter:brightness(1.12);
  transform:translateY(-1px);
  box-shadow:var(--shadow-2);
}
.btn-text{
  background:none;
  color:var(--accent-dark);
  padding:0 4px;
  height:auto;
  font-weight:600;
}
.btn-text:hover{text-decoration:underline;text-underline-offset:4px;}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.5;pointer-events:none;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--border);
}
.nav-wrap{
  display:flex;
  align-items:center;
  gap:24px;
  height:72px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-icon{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:28px;
  height:28px;
  border-radius:9px;
  background:var(--ink-deep);
  color:var(--accent);
  font-size:14px;
}
.brand-text{
  font-size:18px;
  font-weight:800;
  letter-spacing:.5px;
  color:var(--ink);
}
.main-nav{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:8px;
}
.main-nav > a{
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 14px;
  border-radius:999px;
  font-size:15px;
  line-height:22px;
  font-weight:500;
  color:var(--muted);
  transition:background-color var(--ease),color var(--ease);
}
.main-nav > a:hover{
  color:var(--ink);
  background:rgba(14,42,37,.05);
}
.main-nav > a.active{
  color:var(--ink-deep);
  background:var(--accent-soft);
  font-weight:600;
}
.nav-right{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:auto;
}
.search-box{
  display:flex;
  align-items:center;
  gap:8px;
  width:220px;
  height:40px;
  padding:0 14px;
  background:#fff;
  border:1px solid var(--border-strong);
  border-radius:var(--radius-xs);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.search-box:focus-within{
  border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(31,210,134,.16);
}
.search-box i{color:var(--muted);font-size:13px;}
.search-box input{
  flex:1;
  min-width:0;
  border:0;
  outline:none;
  background:transparent;
  font-size:14px;
  line-height:20px;
}
.search-box input::placeholder{color:#9AAAA4;}
.nav-search-mobile{display:none;}
.menu-toggle{
  display:none;
  width:42px;
  height:42px;
  border-radius:var(--radius-xs);
  border:1px solid var(--border-strong);
  background:#fff;
  color:var(--ink);
  font-size:17px;
}
.menu-toggle:hover{background:var(--accent-soft);}

/* ============ 面包屑 ============ */
.crumb-bar{
  border-bottom:1px solid var(--border);
  background:#fff;
}
.crumb{
  display:flex;
  align-items:center;
  gap:8px;
  height:52px;
  font-size:14px;
  color:var(--muted);
  overflow-x:auto;
  white-space:nowrap;
}
.crumb a:hover{color:var(--accent-dark);}
.crumb .sep{color:#BFCBC6;}
.crumb .cur{color:var(--ink);font-weight:600;}

/* ============ Hero（色块版） ============ */
.hero-block{
  position:relative;
  overflow:hidden;
  background:
    radial-gradient(circle at 88% 12%,rgba(31,210,134,.22),transparent 46%),
    radial-gradient(circle at 6% 92%,rgba(255,181,71,.16),transparent 44%),
    linear-gradient(180deg,#FFFFFF 0%,var(--bg) 100%);
  border-bottom:1px solid var(--border);
}
.hero-block::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(rgba(14,42,37,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(14,42,37,.045) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.75),transparent 85%);
  pointer-events:none;
}
.hero-inner{
  position:relative;
  display:grid;
  grid-template-columns:1.35fr .65fr;
  gap:48px;
  align-items:center;
  padding:72px 0 68px;
}
.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:32px;
  padding:0 14px;
  border-radius:999px;
  background:var(--amber-soft);
  color:#8A5A05;
  font-size:12px;
  font-weight:600;
  letter-spacing:.5px;
}
.hero-title{
  margin-top:18px;
  font-size:40px;
  line-height:1.2;
  font-weight:800;
  letter-spacing:-.5px;
  color:var(--ink);
}
.hero-title em{
  font-style:normal;
  color:var(--accent-dark);
}
.hero-sub{
  margin-top:18px;
  max-width:600px;
  font-size:16px;
  line-height:1.85;
  color:var(--muted);
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:28px;
}
.hero-stats{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:16px;
}
.stat{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  padding:20px;
  box-shadow:var(--shadow-1);
}
.stat-num{
  display:block;
  font-size:28px;
  line-height:1.2;
  font-weight:800;
  color:var(--ink-deep);
}
.stat-label{
  display:block;
  margin-top:6px;
  font-size:13px;
  color:var(--muted);
}
.stat.is-accent{
  background:var(--ink-deep);
  border-color:transparent;
}
.stat.is-accent .stat-num{color:var(--accent);}
.stat.is-accent .stat-label{color:rgba(234,246,241,.72);}

/* ============ 通用板块 ============ */
.section{padding:80px 0;}
.section-alt{background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:32px;
}
.section-title{
  font-size:30px;
  line-height:1.28;
  font-weight:700;
  color:var(--ink);
  letter-spacing:-.3px;
}
.section-desc{
  margin-top:10px;
  max-width:680px;
  font-size:15px;
  line-height:1.8;
  color:var(--muted);
}
.section-link{
  flex-shrink:0;
  font-size:15px;
  font-weight:600;
  color:var(--accent-dark);
}
.section-link:hover{text-decoration:underline;text-underline-offset:4px;}

/* ============ 筛选条 ============ */
.filter-bar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  padding:16px 20px;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  box-shadow:var(--shadow-1);
  margin-bottom:36px;
}
.chip-row{
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
}
.chip{
  display:inline-flex;
  align-items:center;
  height:34px;
  padding:0 16px;
  border-radius:999px;
  border:1px solid var(--border-strong);
  background:#fff;
  font-size:14px;
  color:var(--muted);
  transition:all var(--ease);
}
.chip:hover{border-color:var(--accent);color:var(--ink);}
.chip.active{
  background:var(--ink-deep);
  border-color:var(--ink-deep);
  color:#EAF6F1;
  font-weight:600;
}
.filter-right{
  display:flex;
  align-items:center;
  gap:12px;
  flex-wrap:wrap;
}
.select-box{
  height:40px;
  padding:0 36px 0 14px;
  border:1px solid var(--border-strong);
  border-radius:var(--radius-xs);
  background:#fff url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%235E6F69' d='M1 1l5 5 5-5' stroke='%235E6F69' stroke-width='1.6' fill='none' stroke-linecap='round'/%3E%3C/svg%3E") no-repeat right 14px center;
  font-size:14px;
  color:var(--text);
  appearance:none;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.select-box:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(31,210,134,.16);outline:none;}

/* ============ 横向合集目录 ============ */
.scroll-row{
  display:flex;
  gap:20px;
  overflow-x:auto;
  padding:4px 4px 22px;
  scroll-snap-type:x proximity;
}
.scroll-row::-webkit-scrollbar{height:8px;}
.scroll-row::-webkit-scrollbar-thumb{background:rgba(14,42,37,.16);border-radius:999px;}
.scroll-row::-webkit-scrollbar-track{background:rgba(14,42,37,.05);border-radius:999px;}
.hub-card{
  position:relative;
  flex:0 0 268px;
  scroll-snap-align:start;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  padding:24px 22px;
  box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.hub-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-2);
  border-color:rgba(31,210,134,.4);
}
.hub-num{
  position:absolute;
  top:20px;
  right:22px;
  font-size:13px;
  font-weight:700;
  color:var(--amber);
  letter-spacing:1px;
}
.hub-icon{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:44px;
  height:44px;
  border-radius:13px;
  background:var(--accent-soft);
  color:var(--accent-dark);
  font-size:17px;
}
.hub-title{
  margin-top:18px;
  font-size:19px;
  line-height:1.5;
  font-weight:700;
  color:var(--ink);
  transition:color var(--ease);
}
.hub-card:hover .hub-title{color:var(--accent-dark);}
.hub-text{
  margin-top:8px;
  font-size:14px;
  line-height:1.75;
  color:var(--muted);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.hub-meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-top:18px;
  padding-top:16px;
  border-top:1px dashed var(--border-strong);
  font-size:13px;
  color:var(--muted);
}
.hub-meta .arrow{color:var(--accent-dark);font-size:13px;}

/* ============ 杂志图文流 ============ */
.mag-grid{
  display:grid;
  grid-template-columns:repeat(6,minmax(0,1fr));
  gap:24px;
}
.mag-card{
  position:relative;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  display:flex;
  flex-direction:column;
  transition:transform var(--ease),box-shadow var(--ease);
}
.mag-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.mag-a{grid-column:span 4;}
.mag-b{grid-column:span 2;}
.mag-c{grid-column:span 2;}
.mag-d{grid-column:span 4;}
.mag-cover{position:relative;overflow:hidden;}
.mag-cover img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform 220ms ease;
}
.mag-card:hover .mag-cover img{transform:scale(1.02);}
.mag-a .mag-cover{height:260px;}
.mag-d .mag-cover{height:200px;}
.mag-b .mag-cover,.mag-c .mag-cover{height:150px;}
.mag-body{padding:22px;display:flex;flex-direction:column;flex:1;}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  align-self:flex-start;
  height:26px;
  padding:0 12px;
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  line-height:18px;
  background:var(--accent-soft);
  color:var(--accent-dark);
}
.badge.is-amber{background:var(--amber-soft);color:#8A5A05;}
.badge.is-ink{background:rgba(14,42,37,.07);color:var(--ink-deep);}
.mag-title{
  margin-top:14px;
  font-size:21px;
  line-height:1.45;
  font-weight:700;
  color:var(--ink);
  transition:color var(--ease);
}
.mag-b .mag-title,.mag-c .mag-title{font-size:18px;}
.mag-card:hover .mag-title{color:var(--accent-dark);}
.mag-text{
  margin-top:10px;
  font-size:14px;
  line-height:1.8;
  color:var(--muted);
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.mag-meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-top:auto;
  padding-top:18px;
  font-size:13px;
  color:var(--muted);
}
.mag-meta .go{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-weight:600;
  color:var(--ink-deep);
}
.mag-card:hover .mag-meta .go{color:var(--accent-dark);}

/* ============ 编号索引列表（领取流程） ============ */
.step-list{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:0 40px;
}
.step{
  display:flex;
  gap:18px;
  padding:24px 0;
  border-bottom:1px solid var(--border);
}
.step-num{
  flex-shrink:0;
  width:44px;
  height:44px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:13px;
  background:var(--ink-deep);
  color:var(--accent);
  font-size:15px;
  font-weight:700;
  letter-spacing:1px;
  font-variant-numeric:tabular-nums;
}
.step-title{
  font-size:17px;
  line-height:1.6;
  font-weight:700;
  color:var(--ink);
}
.step-text{
  margin-top:6px;
  font-size:14px;
  line-height:1.8;
  color:var(--muted);
}

/* ============ 分页占位 ============ */
.pager{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  margin-top:44px;
  flex-wrap:wrap;
}
.pager a,.pager span{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:42px;
  height:42px;
  padding:0 14px;
  border-radius:var(--radius-xs);
  border:1px solid var(--border-strong);
  background:#fff;
  font-size:14px;
  color:var(--muted);
  transition:all var(--ease);
}
.pager a:hover{border-color:var(--accent);color:var(--ink);}
.pager .current{
  background:var(--ink-deep);
  border-color:var(--ink-deep);
  color:#EAF6F1;
  font-weight:700;
}
.pager .disabled{opacity:.45;pointer-events:none;}

/* ============ 相关推荐横向 ============ */
.rec-row{
  display:flex;
  gap:20px;
  overflow-x:auto;
  padding:4px 4px 22px;
  scroll-snap-type:x proximity;
}
.rec-row::-webkit-scrollbar{height:8px;}
.rec-row::-webkit-scrollbar-thumb{background:rgba(14,42,37,.16);border-radius:999px;}
.rec-card{
  flex:0 0 272px;
  scroll-snap-align:start;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease);
}
.rec-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.rec-thumb{height:140px;overflow:hidden;}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 220ms ease;}
.rec-card:hover .rec-thumb img{transform:scale(1.02);}
.rec-body{padding:18px;}
.rec-title{
  margin-top:12px;
  font-size:16px;
  line-height:1.6;
  font-weight:600;
  color:var(--ink);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  transition:color var(--ease);
}
.rec-card:hover .rec-title{color:var(--accent-dark);}
.rec-cat{
  margin-top:12px;
  font-size:13px;
  color:var(--muted);
}

/* ============ FAQ ============ */
.faq{max-width:900px;}
.faq-item{border-bottom:1px solid var(--border);}
.faq-q{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  width:100%;
  padding:24px 4px;
  text-align:left;
  font-size:16px;
  line-height:1.5;
  font-weight:600;
  color:var(--ink);
  transition:color var(--ease);
}
.faq-q:hover{color:var(--accent-dark);}
.faq-q .icon{
  flex-shrink:0;
  width:28px;
  height:28px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  background:var(--accent-soft);
  color:var(--accent-dark);
  font-size:12px;
  transition:transform var(--ease),background-color var(--ease);
}
.faq-item.open .faq-q .icon{transform:rotate(180deg);background:var(--accent);color:#06301F;}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height 220ms ease,padding 220ms ease;
  color:var(--muted);
}
.faq-item.open .faq-a{padding:0 4px 26px;}
.faq-a p{
  font-size:15px;
  line-height:1.85;
  max-width:760px;
}

/* ============ CTA ============ */
.cta-band{
  background:var(--ink-deep);
  border-radius:var(--radius-lg);
  padding:40px 44px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-60px;
  top:-60px;
  width:240px;
  height:240px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(31,210,134,.24),transparent 68%);
  pointer-events:none;
}
.cta-copy{position:relative;z-index:1;}
.cta-title{
  font-size:24px;
  line-height:1.45;
  font-weight:700;
  color:#F3FBF7;
}
.cta-text{
  margin-top:10px;
  font-size:15px;
  line-height:1.8;
  color:rgba(234,246,241,.72);
  max-width:560px;
}
.cta-actions{
  position:relative;
  z-index:1;
  display:flex;
  gap:12px;
  flex-wrap:wrap;
}
.cta-actions .btn-ghost{
  background:transparent;
  color:#EAF6F1;
  border-color:rgba(234,246,241,.32);
}
.cta-actions .btn-ghost:hover{
  background:rgba(31,210,134,.16);
  border-color:var(--accent);
  color:#fff;
}
.btn-icon{
  width:44px;
  height:44px;
  padding:0;
  border-radius:var(--radius-xs);
  border:1px solid rgba(234,246,241,.32);
  background:transparent;
  color:#EAF6F1;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  transition:all var(--ease);
}
.btn-icon:hover{background:var(--accent);border-color:var(--accent);color:#06301F;transform:translateY(-1px);}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink);
  color:rgba(234,246,241,.78);
  padding:64px 0 28px;
  margin-top:8px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(234,246,241,.12);
}
.footer-brand .brand-text{color:#F3FBF7;}
.footer-brand .brand-icon{background:rgba(31,210,134,.16);color:var(--accent);}
.footer-brand p{
  margin-top:18px;
  font-size:14px;
  line-height:1.85;
  color:rgba(234,246,241,.66);
  max-width:340px;
}
.footer-social{
  display:flex;
  gap:10px;
  margin-top:20px;
}
.footer-social a{
  width:38px;
  height:38px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:11px;
  border:1px solid rgba(234,246,241,.16);
  color:rgba(234,246,241,.78);
  transition:all var(--ease);
}
.footer-social a:hover{
  background:var(--accent);
  border-color:var(--accent);
  color:#06301F;
  transform:translateY(-2px);
}
.footer-col h4{
  font-size:15px;
  font-weight:700;
  color:#F3FBF7;
  margin-bottom:16px;
}
.footer-col a{
  display:block;
  font-size:14px;
  line-height:1.6;
  padding:6px 0;
  color:rgba(234,246,241,.7);
}
.footer-col a:hover{color:var(--accent);}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding-top:24px;
  font-size:13px;
  color:rgba(234,246,241,.55);
}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .container{padding:0 20px;}
  .hero-inner{gap:32px;}
  .nav-wrap{gap:16px;}
  .search-box{width:200px;}
}
@media (max-width:992px){
  .hero-inner{grid-template-columns:1fr;gap:36px;padding:56px 0;}
  .hero-stats{grid-template-columns:repeat(4,minmax(0,1fr));}
  .section{padding:64px 0;}
  .section-title{font-size:26px;}
  .mag-grid{grid-template-columns:repeat(4,minmax(0,1fr));}
  .mag-a,.mag-d{grid-column:span 4;}
  .mag-b,.mag-c{grid-column:span 2;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:34px 30px;}
  .step-list{grid-template-columns:1fr;gap:0;}
}
@media (max-width:768px){
  .container{padding:0 16px;}
  .nav-wrap{height:64px;}
  .main-nav{
    position:fixed;
    top:64px;
    left:0;
    right:0;
    bottom:0;
    z-index:70;
    display:flex;
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    margin:0;
    padding:20px 20px 40px;
    background:#FBFDFA;
    border-top:1px solid var(--border);
    overflow-y:auto;
    transform:translateY(-12px);
    opacity:0;
    visibility:hidden;
    transition:opacity var(--ease),transform var(--ease),visibility var(--ease);
  }
  .main-nav.open{opacity:1;visibility:visible;transform:translateY(0);}
  .main-nav > a{
    height:52px;
    padding:0 18px;
    border-radius:var(--radius-xs);
    font-size:16px;
    background:#fff;
    border:1px solid var(--border);
  }
  .nav-search-mobile{
    display:flex;
    width:100%;
    height:48px;
    margin-top:8px;
  }
  .nav-right .search-box{display:none;}
  .nav-right .btn-ghost{display:none;}
  .nav-right .btn-primary{height:40px;padding:0 16px;font-size:14px;}
  .menu-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .hero-title{font-size:30px;}
  .hero-sub{font-size:15px;}
  .hero-actions{width:100%;}
  .hero-actions .btn{flex:1 1 100%;}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;}
  .section{padding:52px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:24px;}
  .section-title{font-size:23px;}
  .filter-bar{padding:16px;gap:14px;}
  .filter-right{width:100%;}
  .filter-right .select-box{flex:1;}
  .mag-grid{grid-template-columns:1fr;gap:18px;}
  .mag-a,.mag-b,.mag-c,.mag-d{grid-column:span 1;}
  .mag-a .mag-cover,.mag-d .mag-cover,.mag-b .mag-cover,.mag-c .mag-cover{height:190px;}
  .hub-card{flex:0 0 240px;}
  .rec-card{flex:0 0 240px;}
  .cta-band{padding:28px 22px;border-radius:var(--radius-md);}
  .cta-title{font-size:20px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:576px){
  .brand-text{font-size:16px;}
  .hero-title{font-size:26px;}
  .hero-inner{padding:44px 0;}
  .stat{padding:16px;}
  .stat-num{font-size:22px;}
  .section-title{font-size:21px;}
  .mag-title{font-size:18px;}
  .step-num{width:38px;height:38px;font-size:14px;border-radius:11px;}
  .btn{width:100%;}
  .btn-icon{width:100%;}
  .pager a,.pager span{min-width:38px;height:38px;padding:0 10px;}
  .crumb{height:46px;}
}