/* roulang page: index */
:root{
  --ink:#101614;
  --primary:#0E3B33;
  --primary-deep:#0A2C26;
  --accent:#FF6A2B;
  --accent-deep:#E2551A;
  --teal:#18B7A0;
  --bg:#F7F5F0;
  --surface:#FFFFFF;
  --line:#E4DED2;
  --text:#1B211F;
  --muted:#5C6660;
  --radius-l:20px;
  --radius-m:14px;
  --radius-s:10px;
  --radius-xs:6px;
  --shadow-s:0 1px 2px rgba(16,22,20,.05);
  --shadow-h:0 12px 28px -14px rgba(16,22,20,.28);
  --sp-1:8px; --sp-2:12px; --sp-3:16px; --sp-4:24px; --sp-5:32px; --sp-6:48px; --sp-7:72px; --sp-8:88px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.7;
  color:var(--text);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;border:0}
a{color:var(--primary);text-decoration:none;transition:color 180ms ease}
a:hover{color:var(--accent)}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
button{font-family:inherit;font-size:inherit;cursor:pointer}
input{font-family:inherit}
:focus-visible{outline:2px solid var(--teal);outline-offset:2px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 var(--sp-4)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ---------- header ---------- */
.topline{height:3px;background:linear-gradient(90deg,var(--primary) 0%,var(--primary) 55%,var(--accent) 100%)}
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.98);border-bottom:1px solid var(--line);transition:box-shadow 180ms ease,padding 180ms ease}
.site-header.is-scrolled{box-shadow:0 8px 24px -16px rgba(16,22,20,.35);background:rgba(255,255,255,.96)}
.hdr-top{display:flex;align-items:center;gap:var(--sp-4);height:64px;transition:height 180ms ease}
.site-header.is-scrolled .hdr-top{height:56px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--primary) 0%,var(--primary-deep) 60%,var(--accent) 140%);position:relative;flex:0 0 auto}
.brand-mark::after{content:"";position:absolute;inset:9px;border:2px solid rgba(255,255,255,.9);border-radius:4px;border-right-color:transparent;border-bottom-color:transparent;transform:rotate(45deg)}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:19px;font-weight:700;letter-spacing:-.01em;color:var(--ink)}
.brand-sub{font-size:12px;color:var(--muted);letter-spacing:.04em}
.hotwords{display:flex;align-items:center;gap:var(--sp-1);flex:1 1 auto;overflow:hidden}
.pill{display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;background:#F1EEE6;color:var(--muted);font-size:13px;white-space:nowrap;border:1px solid transparent;transition:all 180ms ease}
.pill:hover{background:rgba(14,59,51,.08);color:var(--primary);border-color:rgba(14,59,51,.18)}
.pill.is-hot{background:rgba(255,106,43,.12);color:var(--accent-deep)}
.hdr-actions{display:flex;align-items:center;gap:var(--sp-2);flex:0 0 auto}
.icon-btn{width:38px;height:38px;border-radius:var(--radius-s);border:1px solid var(--line);background:var(--surface);display:inline-flex;align-items:center;justify-content:center;color:var(--primary);transition:all 180ms ease}
.icon-btn:hover{border-color:rgba(14,59,51,.35);background:rgba(14,59,51,.06)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:var(--radius-s);font-weight:600;font-size:15px;border:1px solid transparent;transition:all 180ms ease;white-space:nowrap}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 16px -10px rgba(226,85,26,.9)}
.btn-primary:hover{background:var(--accent-deep);color:#fff;transform:translateY(-1px)}
.btn-outline{border:1.5px solid var(--primary);color:var(--primary);background:transparent}
.btn-outline:hover{background:rgba(14,59,51,.08);color:var(--primary)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.4)}
.btn-ghost:hover{background:rgba(255,255,255,.2);color:#fff}
.btn-text{height:auto;padding:0;color:var(--primary);font-weight:600}
.btn-text:hover{color:var(--accent)}
.btn-text .arrow{transition:transform 180ms ease}
.btn-text:hover .arrow{transform:translateX(4px)}
.btn-sm{height:36px;padding:0 16px;font-size:14px}
.hdr-nav{border-top:1px solid var(--line);height:48px;display:flex;align-items:center;gap:var(--sp-4)}
.nav-links{display:flex;align-items:center;gap:var(--sp-1);flex:1 1 auto;overflow-x:auto;scrollbar-width:none}
.nav-links::-webkit-scrollbar{display:none}
.nav-link{position:relative;display:inline-flex;align-items:center;height:48px;padding:0 14px;font-size:15px;color:var(--text);white-space:nowrap;font-weight:500}
.nav-link::after{content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform 180ms ease}
.nav-link:hover{color:var(--primary)}
.nav-link.active{color:var(--primary);font-weight:700}
.nav-link.active::after{transform:scaleX(1)}
.nav-search{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.nav-search input{height:34px;width:200px;padding:0 12px;border:1px solid var(--line);border-radius:var(--radius-xs);background:#FCFBF8;font-size:14px;color:var(--text);transition:all 180ms ease}
.nav-search input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(14,59,51,.12);outline:none}
.hamburger{display:none}
.drawer-mask{display:none}

/* ---------- hero ---------- */
.hero{padding:var(--sp-6) 0 var(--sp-7);background:
  radial-gradient(1200px 400px at 85% -10%,rgba(24,183,160,.10),transparent 60%),
  linear-gradient(180deg,#FBFAF6 0%,var(--bg) 100%)}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:var(--sp-6);align-items:center;min-height:500px}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--primary);background:rgba(14,59,51,.08);border-radius:999px;padding:6px 14px;margin-bottom:var(--sp-4)}
.hero-eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block}
.hero h1{font-size:44px;line-height:1.22;font-weight:700;letter-spacing:-.01em;color:var(--ink);margin-bottom:var(--sp-3)}
.hero h1 em{font-style:normal;color:var(--primary);box-shadow:inset 0 -12px 0 rgba(255,106,43,.18)}
.hero-sub{font-size:17px;color:var(--muted);margin-bottom:var(--sp-5);max-width:32em}
.hero-cta{display:flex;gap:var(--sp-2);flex-wrap:wrap;margin-bottom:var(--sp-5)}
.trust-row{display:flex;gap:var(--sp-5);flex-wrap:wrap;border-top:1px solid var(--line);padding-top:var(--sp-4)}
.trust-item{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text)}
.trust-item svg{flex:0 0 auto;color:var(--teal)}
.hero-media{position:relative;border-radius:var(--radius-l);overflow:hidden;aspect-ratio:16/10;background:rgba(14,59,51,.12);box-shadow:var(--shadow-h)}
.hero-media img{width:100%;height:100%;object-fit:cover}
.media-badge{position:absolute;top:16px;left:16px;background:rgba(10,44,38,.86);color:#fff;font-size:13px;padding:6px 12px;border-radius:var(--radius-xs);letter-spacing:.02em}
.img-wrap{position:relative;overflow:hidden;background:rgba(14,59,51,.12)}
.img-wrap img{width:100%;height:100%;object-fit:cover;transition:transform 180ms ease}
.img-wrap.is-fallback img{display:none}
.img-wrap.is-fallback::after{content:attr(data-alt);position:absolute;inset:0;display:flex;align-items:center;justify-content:center;text-align:center;padding:var(--sp-3);font-size:14px;color:var(--primary);background:rgba(14,59,51,.12)}

/* ---------- section base ---------- */
.section{padding:var(--sp-7) 0}
.section.alt{background:#FBFAF6;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:var(--sp-4);margin-bottom:var(--sp-5)}
.sec-title{font-size:30px;font-weight:700;letter-spacing:-.01em;color:var(--ink);position:relative;padding-left:16px;line-height:1.3}
.sec-title::before{content:"";position:absolute;left:0;top:8px;width:20px;height:4px;border-radius:2px;background:var(--accent)}
.sec-desc{font-size:15px;color:var(--muted);margin-top:8px;padding-left:16px;max-width:46em}

/* ---------- catalog ---------- */
.catalog-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--sp-4) var(--sp-5)}
.cat-item{display:flex;gap:var(--sp-4);padding:var(--sp-4) 0;border-bottom:1px dashed var(--line);align-items:flex-start}
.cat-num{font-size:34px;font-weight:700;color:rgba(14,59,51,.18);line-height:1;flex:0 0 auto;min-width:52px}
.cat-body{flex:1 1 auto}
.cat-body h3{font-size:19px;font-weight:700;color:var(--ink);margin-bottom:6px}
.cat-body p{font-size:15px;color:var(--muted)}
.cat-arrow{flex:0 0 auto;color:var(--line);transition:all 180ms ease;margin-top:4px}
.cat-item:hover .cat-arrow{color:var(--accent);transform:translateX(4px)}
.cat-item:hover h3{color:var(--primary)}

/* ---------- featured ---------- */
.feat-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:var(--sp-4)}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m);box-shadow:var(--shadow-s);overflow:hidden;transition:all 180ms ease;display:block;color:inherit}
.card:hover{box-shadow:var(--shadow-h);transform:translateY(-3px);border-color:rgba(14,59,51,.3);color:inherit}
.card:hover .img-wrap img{transform:scale(1.03)}
.card-body{padding:var(--sp-4)}
.card-title{font-size:19px;font-weight:700;line-height:1.45;color:var(--ink);margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-text{font-size:15px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.feat-main{grid-column:span 6}
.feat-main .img-wrap{aspect-ratio:16/9}
.feat-side{grid-column:span 2;display:flex;flex-direction:column}
.feat-side .img-wrap{aspect-ratio:1/1}
.feat-side .card-body{padding:var(--sp-3)}
.feat-side .card-title{font-size:16px;margin-bottom:6px}
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--radius-xs);font-size:13px;background:rgba(14,59,51,.10);color:var(--primary);font-weight:500}
.badge-soft{background:#F1EEE6;color:var(--muted)}
.card-meta{display:flex;align-items:center;gap:10px;margin-top:12px;font-size:13px;color:var(--muted)}

/* ---------- news list ---------- */
.news-list{display:flex;flex-direction:column;gap:var(--sp-3)}
.news-row{display:grid;grid-template-columns:200px 1fr auto;gap:var(--sp-4);align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m);padding:var(--sp-3);box-shadow:var(--shadow-s);transition:all 180ms ease;color:inherit}
.news-row:hover{border-color:rgba(14,59,51,.3);box-shadow:var(--shadow-h);transform:translateY(-2px);color:inherit}
.news-row .img-wrap{aspect-ratio:16/9;border-radius:var(--radius-s)}
.news-main h3{font-size:18px;font-weight:700;color:var(--ink);margin:8px 0 6px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-main p{font-size:15px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-date{font-size:13px;color:var(--muted);white-space:nowrap;align-self:flex-start;padding-top:6px}
.empty-card{border:1.5px dashed var(--line);border-radius:var(--radius-m);min-height:180px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--sp-3);text-align:center;padding:var(--sp-5);background:#FCFBF8}
.empty-card p{color:var(--muted);font-size:15px}

/* ---------- related scroller ---------- */
.scroller{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--sp-4)}
.rel-card .img-wrap{aspect-ratio:4/3}
.rel-card .card-body{padding:var(--sp-3)}
.rel-card .card-title{font-size:16px;margin:8px 0 6px}
.rel-date{font-size:13px;color:var(--muted)}

/* ---------- cta band ---------- */
.cta-band{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-deep) 100%);border-radius:var(--radius-l);padding:var(--sp-5) var(--sp-6);display:flex;align-items:center;justify-content:space-between;gap:var(--sp-5);color:#fff;flex-wrap:wrap}
.cta-band h2{font-size:24px;font-weight:700;color:#fff;margin-bottom:6px}
.cta-band p{font-size:15px;color:rgba(255,255,255,.78)}
.cta-actions{display:flex;gap:var(--sp-2);flex-wrap:wrap}

/* ---------- faq ---------- */
.faq-list{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m);overflow:hidden;box-shadow:var(--shadow-s)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:var(--sp-3);min-height:56px;padding:var(--sp-3) var(--sp-4);font-size:17px;font-weight:600;color:var(--ink)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-idx{font-size:13px;color:var(--accent);font-weight:700;flex:0 0 auto}
.faq-sign{margin-left:auto;width:22px;height:22px;position:relative;flex:0 0 auto;transition:transform 180ms ease;color:var(--primary)}
.faq-sign::before,.faq-sign::after{content:"";position:absolute;background:currentColor;border-radius:2px}
.faq-sign::before{left:2px;right:2px;top:10px;height:2px}
.faq-sign::after{top:2px;bottom:2px;left:10px;width:2px}
.faq-item[open] .faq-sign{transform:rotate(45deg)}
.faq-answer{padding:0 var(--sp-4) var(--sp-4);margin:0 var(--sp-4) var(--sp-3);background:#FBFAF6;border-radius:var(--radius-s);font-size:15px;color:var(--muted);line-height:1.8}
.faq-answer p{padding-top:14px}
.faq-item summary:hover{color:var(--primary)}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:var(--sp-7) 0 0;margin-top:var(--sp-8)}
.footer-grid{display:grid;grid-template-columns:6fr 2fr 2fr 2fr;gap:var(--sp-5)}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:var(--sp-3)}
.footer-brand .brand-mark{background:linear-gradient(135deg,#1B6B5C 0%,var(--primary) 60%,var(--accent) 140%)}
.footer-brand .brand-name{color:#fff}
.footer-brand .brand-sub{color:rgba(255,255,255,.5)}
.footer-desc{font-size:14px;line-height:1.8;max-width:34em;color:rgba(255,255,255,.62)}
.footer-social{display:flex;gap:10px;margin-top:var(--sp-4)}
.footer-social a{width:36px;height:36px;border-radius:var(--radius-s);border:1px solid rgba(255,255,255,.18);display:inline-flex;align-items:center;justify-content:center;color:rgba(255,255,255,.8);font-size:13px}
.footer-social a:hover{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.4)}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:var(--sp-3);letter-spacing:.02em}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66);transition:all 180ms ease;display:inline-block}
.footer-col a:hover{color:#fff;transform:translateX(2px)}
.sub-form{display:flex;gap:8px;margin-top:var(--sp-3)}
.sub-form input{flex:1 1 auto;min-width:0;height:44px;padding:0 14px;border-radius:var(--radius-s);border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:#fff;font-size:14px}
.sub-form input::placeholder{color:rgba(255,255,255,.42)}
.sub-form input:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 3px rgba(24,183,160,.18)}
.footer-note{font-size:13px;color:rgba(255,255,255,.44);margin-top:10px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:var(--sp-6);padding:var(--sp-4) 0;display:flex;align-items:center;justify-content:space-between;gap:var(--sp-3);flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5)}
.footer-bottom a{color:rgba(255,255,255,.62)}
.footer-bottom a:hover{color:#fff}

/* ---------- back to top ---------- */
.back-top{position:fixed;right:24px;bottom:24px;width:44px;height:44px;border-radius:50%;background:var(--primary);color:#fff;border:0;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 24px -12px rgba(10,44,38,.9);opacity:0;visibility:hidden;transform:translateY(10px);transition:all 180ms ease;z-index:90}
.back-top.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.back-top:hover{background:var(--accent)}

@media (prefers-reduced-motion:reduce){
  *{transition:opacity 120ms ease !important;animation:none !important}
  .card:hover{transform:none}
}

/* ---------- responsive ---------- */
@media (max-width:1280px){
  .hero h1{font-size:38px}
}
@media (max-width:1024px){
  .hotwords{display:none}
  .nav-search{display:none}
  .hero{padding:var(--sp-5) 0 var(--sp-6)}
  .hero-grid{grid-template-columns:1fr;min-height:0;gap:var(--sp-5)}
  .hero-media{order:-1;aspect-ratio:16/9}
  .hero h1{font-size:34px}
  .section{padding:56px 0}
  .sec-title{font-size:26px}
  .catalog-grid{grid-template-columns:1fr}
  .feat-grid{grid-template-columns:repeat(6,1fr)}
  .feat-main{grid-column:span 6}
  .feat-side{grid-column:span 3}
  .scroller{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:3fr 3fr 3fr 3fr}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .nav-links{display:none}
  .hdr-nav{justify-content:space-between}
  .hamburger{display:inline-flex}
  .hdr-top{height:60px}
  .site-header.is-scrolled .hdr-top{height:56px}
  .drawer-mask{display:block;position:fixed;inset:0;background:rgba(16,22,20,.45);opacity:0;visibility:hidden;transition:opacity 180ms ease;z-index:95}
  .drawer-mask.is-open{opacity:1;visibility:visible}
  .drawer{position:fixed;top:0;right:0;width:86%;max-width:340px;height:100%;background:#fff;z-index:100;transform:translateX(102%);transition:transform 220ms ease;overflow-y:auto;padding:var(--sp-4)}
  .drawer.is-open{transform:translateX(0)}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--sp-4)}
  .drawer-nav a{display:block;padding:14px 4px;border-bottom:1px solid var(--line);font-size:16px;color:var(--text);font-weight:500}
  .drawer-nav a.active{color:var(--primary);font-weight:700}
  .drawer .sub-form{margin-top:var(--sp-4)}
  .drawer .btn{width:100%;margin-top:var(--sp-3)}
  .hero h1{font-size:28px}
  .hero-sub{font-size:16px}
  .hero-cta .btn{flex:1 1 auto}
  .trust-row{gap:var(--sp-4)}
  .sec-head{flex-direction:column;align-items:flex-start;gap:8px}
  .sec-title{font-size:23px}
  .catalog-grid{grid-template-columns:1fr}
  .cat-num{font-size:28px;min-width:42px}
  .feat-grid{grid-template-columns:repeat(2,1fr)}
  .feat-main,.feat-side{grid-column:span 2}
  .feat-side .img-wrap{aspect-ratio:16/9}
  .news-row{grid-template-columns:1fr;gap:var(--sp-3)}
  .news-row .img-wrap{aspect-ratio:16/9}
  .news-main p{display:none}
  .news-date{padding-top:0}
  .scroller{grid-template-columns:1fr 1fr;gap:var(--sp-3)}
  .cta-band{padding:var(--sp-4);flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-brand-col{grid-column:span 2}
  .faq-item summary{font-size:16px}
}
@media (max-width:520px){
  .hero h1{font-size:25px}
  .scroller{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-brand-col{grid-column:span 1}
  .cat-item{gap:var(--sp-3)}
}

/* roulang page: article */
:root{
  --ink:#101614;
  --primary:#0E3B33;
  --primary-deep:#0A2C26;
  --accent:#FF6A2B;
  --accent-deep:#E2551A;
  --teal:#18B7A0;
  --bg:#F7F5F0;
  --surface:#FFFFFF;
  --line:#E4DED2;
  --text:#1B211F;
  --muted:#5C6660;
  --radius-l:20px;
  --radius-m:14px;
  --radius-s:10px;
  --radius-xs:6px;
  --shadow-s:0 1px 2px rgba(16,22,20,.05);
  --shadow-h:0 12px 28px -14px rgba(16,22,20,.28);
  --ease:180ms ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{margin:0;background:var(--bg);color:var(--text);font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;font-size:16px;line-height:1.7;font-variant-numeric:tabular-nums;-webkit-font-smoothing:antialiased;}
h1,h2,h3,h4,h5{margin:0;font-weight:700;line-height:1.32;letter-spacing:-.01em;color:var(--ink);}
p{margin:0;}
a{color:var(--primary);text-decoration:none;transition:color var(--ease);}
a:hover,a:focus{color:var(--accent);}
img{display:block;max-width:100%;height:auto;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,textarea,select{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--teal);outline-offset:2px;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}
.top-strip{height:3px;background:linear-gradient(90deg,var(--primary) 0%,var(--primary) 62%,var(--accent) 100%);}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);transition:box-shadow var(--ease);}
.site-header.is-stuck{box-shadow:0 10px 26px -20px rgba(16,22,20,.7);}
.header-top-inner{display:flex;align-items:center;gap:24px;height:64px;transition:height var(--ease);}
.site-header.is-stuck .header-top-inner{height:56px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{position:relative;width:32px;height:32px;border-radius:9px;background:linear-gradient(140deg,var(--primary),var(--teal));box-shadow:0 6px 14px -8px rgba(14,59,51,.9);}
.brand-mark::after{content:"";position:absolute;left:9px;top:14px;width:14px;height:3px;border-radius:2px;background:var(--accent);}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:-.01em;}
.brand-sub{font-size:11px;color:var(--muted);letter-spacing:.06em;}
.brand:hover .brand-name{color:var(--primary);}
.hotwords{display:flex;align-items:center;gap:8px;}
.pill{display:inline-flex;align-items:center;height:30px;padding:0 12px;border-radius:999px;font-size:13px;color:var(--primary);background:rgba(14,59,51,.06);border:1px solid transparent;white-space:nowrap;transition:background var(--ease),color var(--ease);}
.pill:hover{background:rgba(14,59,51,.12);color:var(--primary);}
.pill.is-hot{background:rgba(255,106,43,.12);color:var(--accent-deep);}
.pill.is-hot:hover{background:rgba(255,106,43,.2);color:var(--accent-deep);}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:44px;padding:0 20px;border-radius:var(--radius-s);font-size:15px;font-weight:600;letter-spacing:.01em;white-space:nowrap;transition:transform var(--ease),background var(--ease),color var(--ease),border-color var(--ease),box-shadow var(--ease);}
.btn-sm{height:36px;padding:0 14px;font-size:13.5px;border-radius:var(--radius-xs);}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 18px -12px rgba(226,85,26,.9);}
.btn-primary:hover{background:var(--accent-deep);color:#fff;transform:translateY(-1px);}
.btn-ghost{border:1.5px solid rgba(14,59,51,.35);color:var(--primary);background:transparent;}
.btn-ghost:hover{background:rgba(14,59,51,.08);color:var(--primary);border-color:var(--primary);}
.btn-outline-light{border:1.5px solid rgba(255,255,255,.45);color:#fff;background:transparent;}
.btn-outline-light:hover{background:rgba(255,255,255,.14);color:#fff;}
.btn-block{width:100%;}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:600;font-size:14px;}
.btn-text:hover{color:var(--accent);}
.btn-text .arrow{transition:transform var(--ease);}
.btn-text:hover .arrow{transform:translateX(4px);}
.burger{display:none;flex-direction:column;justify-content:center;align-items:center;gap:4px;width:40px;height:40px;border-radius:var(--radius-xs);border:1px solid var(--line);background:#fff;}
.burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--primary);}
.burger:hover{border-color:var(--primary);}
.header-nav{border-top:1px solid var(--line);background:var(--surface);}
.header-nav-inner{display:flex;align-items:center;gap:16px;height:48px;}
.channel-nav{display:flex;align-items:center;gap:4px;overflow-x:auto;scrollbar-width:none;}
.channel-nav::-webkit-scrollbar{display:none;}
.channel-nav a{position:relative;display:inline-block;padding:0 14px;line-height:48px;font-size:15px;color:var(--muted);white-space:nowrap;}
.channel-nav a:hover{color:var(--primary);}
.channel-nav a.is-active{color:var(--primary);font-weight:700;}
.channel-nav a.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;border-radius:2px;background:var(--accent);}
.nav-search{margin-left:auto;display:flex;align-items:center;gap:8px;width:262px;flex:0 0 auto;}
.nav-search input{width:100%;height:34px;padding:0 12px;font-size:13.5px;color:var(--text);background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-xs);transition:border-color var(--ease),box-shadow var(--ease);}
.nav-search input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(14,59,51,.12);}
.nav-search button{height:34px;padding:0 14px;font-size:13.5px;font-weight:600;color:#fff;background:var(--primary);border-radius:var(--radius-xs);transition:background var(--ease);}
.nav-search button:hover{background:var(--primary-deep);}

/* ---------- 抽屉 ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(16,22,20,.45);z-index:90;opacity:0;transition:opacity var(--ease);}
.drawer-mask.is-open{opacity:1;}
.mobile-drawer{position:fixed;top:0;right:0;bottom:0;width:min(86vw,340px);z-index:100;background:#fff;padding:20px;display:flex;flex-direction:column;gap:18px;overflow-y:auto;transform:translateX(102%);transition:transform 240ms ease;}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{width:34px;height:34px;border-radius:var(--radius-xs);border:1px solid var(--line);font-size:18px;line-height:1;color:var(--muted);}
.drawer-search{display:flex;gap:8px;}
.drawer-search input{flex:1;min-width:0;height:40px;padding:0 12px;border:1px solid var(--line);border-radius:var(--radius-xs);background:var(--bg);font-size:14px;}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav a{display:block;padding:12px 4px;font-size:15px;color:var(--text);border-bottom:1px solid var(--line);}
.drawer-nav a:hover{color:var(--primary);}
.drawer-hot{display:flex;flex-wrap:wrap;gap:8px;}

/* ---------- 文章头部 ---------- */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);padding-top:22px;}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb .sep{color:#B9B2A4;}
.breadcrumb .crumb-current{color:var(--text);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-head{max-width:880px;padding:20px 0 30px;}
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--radius-xs);font-size:13px;font-weight:600;}
.badge-cat{background:rgba(14,59,51,.1);color:var(--primary);}
.badge-soft{background:#EFEBE1;color:var(--muted);font-weight:500;}
.article-title{font-size:34px;line-height:1.35;letter-spacing:-.015em;margin:14px 0 18px;}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13px;color:var(--muted);}
.article-meta .dot{width:3px;height:3px;border-radius:50%;background:#C6BFB0;}
.article-tools{margin-left:auto;display:flex;gap:8px;}
.tool-btn{display:inline-flex;align-items:center;gap:6px;height:34px;padding:0 14px;border-radius:var(--radius-xs);border:1px solid var(--line);background:#fff;color:var(--muted);font-size:13px;transition:all var(--ease);}
.tool-btn:hover{border-color:var(--primary);color:var(--primary);background:rgba(14,59,51,.05);}
.tool-btn.is-active{border-color:var(--accent);color:var(--accent-deep);background:rgba(255,106,43,.1);}

/* ---------- 正文 ---------- */
.article-main{padding-bottom:56px;}
.article-body{max-width:760px;margin:0 auto;font-size:17px;line-height:1.9;color:var(--text);}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.2em;}
.article-body h2{font-size:24px;line-height:1.4;margin:40px 0 16px;padding-left:14px;border-left:4px solid var(--accent);}
.article-body h3{font-size:20px;font-weight:700;margin:32px 0 12px;}
.article-body h4{font-size:17px;margin:24px 0 10px;}
.article-body ul,.article-body ol{margin:0 0 1.2em;}
.article-body ul li{position:relative;padding-left:22px;margin-bottom:8px;}
.article-body ul li::before{content:"";position:absolute;left:2px;top:.72em;width:6px;height:6px;border-radius:2px;background:var(--primary);}
.article-body ol{counter-reset:artol;}
.article-body ol li{position:relative;padding-left:32px;margin-bottom:8px;counter-increment:artol;}
.article-body ol li::before{content:counter(artol,decimal-leading-zero);position:absolute;left:0;top:.2em;font-size:13px;font-weight:700;color:var(--accent);}
.article-body blockquote{margin:24px 0;padding:16px 20px;background:#FBF7EF;border-left:3px solid var(--accent);border-radius:0 var(--radius-s) var(--radius-s) 0;color:#4A544E;}
.article-body img{border-radius:12px;margin:24px 0;}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:8px;}
.article-body a{color:var(--primary);border-bottom:1px solid rgba(14,59,51,.35);}
.article-body a:hover{color:var(--accent);border-bottom-color:var(--accent);}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:24px 0;}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left;}
.article-body th{background:rgba(14,59,51,.05);color:var(--primary);font-weight:700;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0;}
.empty-state{min-height:180px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;padding:36px 24px;text-align:center;background:#fff;border:1.5px dashed var(--line);border-radius:var(--radius-m);}
.empty-icon{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:rgba(14,59,51,.08);color:var(--primary);font-weight:700;}
.empty-state p{color:var(--muted);font-size:15px;}

/* ---------- 标签与分享 ---------- */
.article-tags{max-width:760px;margin:0 auto;padding-top:24px;display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.tag-label{font-size:13px;color:var(--muted);margin-right:4px;}
.tag{display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:var(--radius-xs);background:#fff;border:1px solid var(--line);font-size:13px;color:var(--muted);transition:all var(--ease);}
.tag:hover{border-color:var(--primary);color:var(--primary);background:rgba(14,59,51,.05);}
.share-band{max-width:1000px;margin:32px auto 0;padding:28px;border-radius:16px;background:linear-gradient(135deg,var(--primary),var(--primary-deep));display:flex;align-items:center;gap:24px;flex-wrap:wrap;color:#fff;}
.share-band h3{color:#fff;font-size:20px;}
.share-band p{color:rgba(255,255,255,.72);font-size:14px;margin-top:6px;}
.share-actions{margin-left:auto;display:flex;gap:12px;}

/* ---------- 板块与卡片 ---------- */
.section{padding:72px 0;}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;}
.section-title{position:relative;font-size:28px;padding-top:14px;}
.section-title::before{content:"";position:absolute;left:0;top:0;width:20px;height:4px;border-radius:2px;background:var(--accent);}
.section-sub{margin-top:10px;font-size:15px;color:var(--muted);}
.related-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:28px;align-items:start;}
.feature-card{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius-m);overflow:hidden;box-shadow:var(--shadow-s);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);}
.feature-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-h);border-color:rgba(14,59,51,.3);color:inherit;}
.thumb{position:relative;overflow:hidden;background:rgba(14,59,51,.1);}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform 320ms ease;}
.feature-card:hover .thumb img{transform:scale(1.03);}
.thumb.ratio-16-9{aspect-ratio:16/9;}
.thumb.ratio-3-2{aspect-ratio:3/2;}
.thumb.img-failed::after{content:"hth官网地址";position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:600;color:rgba(14,59,51,.55);}
.feature-body{padding:22px 24px 26px;}
.feature-body h3{font-size:20px;margin:12px 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.feature-body p{font-size:15px;color:var(--muted);line-height:1.8;}
.text-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius-m);overflow:hidden;box-shadow:var(--shadow-s);}
.text-list a{display:block;padding:18px 20px;border-bottom:1px solid var(--line);transition:background var(--ease);}
.text-list a:last-child{border-bottom:0;}
.text-list a:hover{background:#FBF9F4;}
.text-list h4{font-size:16px;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.text-list span{font-size:13px;color:var(--muted);}
.cta-band{padding:36px;border-radius:16px;background:linear-gradient(135deg,var(--primary),var(--primary-deep));display:flex;align-items:center;gap:24px;flex-wrap:wrap;color:#fff;}
.cta-band h3{color:#fff;font-size:22px;}
.cta-band p{color:rgba(255,255,255,.72);font-size:15px;margin-top:8px;}
.cta-actions{margin-left:auto;display:flex;gap:12px;}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:24px;padding-top:56px;background:#fff;border-top:1px solid var(--line);}
.footer-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:32px 24px;}
.footer-brand-col{grid-column:span 6;}
.footer-col{grid-column:span 2;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-desc{max-width:440px;font-size:14px;line-height:1.85;color:var(--muted);}
.footer-social{display:flex;gap:10px;margin-top:18px;}
.footer-social a{display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;border:1px solid var(--line);font-size:13px;color:var(--muted);transition:all var(--ease);}
.footer-social a:hover{border-color:var(--primary);color:var(--primary);background:rgba(14,59,51,.05);}
.footer-col h4{font-size:14px;color:var(--primary);margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{display:inline-block;font-size:14px;color:var(--muted);transition:transform var(--ease),color var(--ease);}
.footer-col ul a:hover{color:var(--primary);transform:translateX(-2px);}
.sub-form{display:flex;gap:8px;}
.sub-form input{flex:1;min-width:0;height:44px;padding:0 14px;font-size:14px;background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-s);transition:border-color var(--ease),box-shadow var(--ease);}
.sub-form input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(14,59,51,.12);}
.footer-note{margin-top:10px;font-size:12.5px;color:var(--muted);}
.footer-bottom{margin-top:48px;padding:20px 0;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px;font-size:13px;color:var(--muted);}
.footer-bottom a{color:var(--muted);}
.footer-bottom a:hover{color:var(--accent);}

/* ---------- 返回顶部 ---------- */
.back-top{position:fixed;right:24px;bottom:24px;z-index:70;width:46px;height:46px;border-radius:14px;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;box-shadow:var(--shadow-h);opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity var(--ease),transform var(--ease),visibility var(--ease),background var(--ease);}
.back-top.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.back-top:hover{background:var(--primary-deep);color:#fff;}

@media (max-width:1180px){
  .hotwords{display:none;}
}
@media (max-width:1024px){
  .header-top-inner{height:58px;}
  .site-header.is-stuck .header-top-inner{height:54px;}
  .footer-brand-col{grid-column:span 12;}
  .footer-col{grid-column:span 4;}
  .article-title{font-size:28px;}
  .section{padding:56px 0;}
  .related-grid{grid-template-columns:1fr;}
}
@media (max-width:768px){
  .container{padding:0 18px;}
  .header-nav-inner{height:44px;}
  .nav-search{display:none;}
  .burger{display:flex;}
  .article-title{font-size:24px;}
  .article-head{padding-bottom:22px;}
  .article-tools{margin-left:0;width:100%;}
  .section{padding:44px 0;}
  .section-title{font-size:23px;}
  .footer-col{grid-column:span 6;}
  .share-band,.cta-band{flex-direction:column;align-items:flex-start;padding:24px;}
  .share-actions,.cta-actions{margin-left:0;width:100%;flex-direction:column;}
  .share-actions .btn,.cta-actions .btn{width:100%;}
}
@media (max-width:520px){
  .brand-sub{display:none;}
  .footer-col{grid-column:span 12;}
  .article-body{font-size:16px;}
  .article-body h2{font-size:21px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;}
  .feature-card:hover{transform:none;}
  .btn-primary:hover{transform:none;}
}

/* roulang page: category1 */
:root{
  --ink:#101614;
  --primary:#0E3B33;
  --primary-deep:#0A2C26;
  --accent:#FF6A2B;
  --accent-deep:#E2551A;
  --teal:#18B7A0;
  --bg:#F7F5F0;
  --surface:#FFFFFF;
  --line:#E4DED2;
  --text:#1B211F;
  --muted:#5C6660;
  --radius-l:20px;
  --radius-m:14px;
  --radius-s:10px;
  --radius-xs:6px;
  --shadow-s:0 1px 2px rgba(16,22,20,.05);
  --shadow-h:0 12px 28px -14px rgba(16,22,20,.28);
  --ease:180ms ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--primary);text-decoration:none;transition:color var(--ease),background-color var(--ease),border-color var(--ease);}
a:hover{color:var(--accent);}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;color:var(--ink);line-height:1.35;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button,input{font-family:inherit;font-size:inherit;}
button{cursor:pointer;}
::selection{background:var(--accent);color:#fff;}
:focus-visible{outline:2px solid var(--teal);outline-offset:2px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}

/* ---------- 容器 ---------- */
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(247,245,240,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease),padding var(--ease),background-color var(--ease);
}
.site-header.is-scrolled{box-shadow:0 10px 24px -18px rgba(16,22,20,.5);background:rgba(247,245,240,.98);}
.topline{height:3px;background:linear-gradient(90deg,var(--primary),var(--accent));}
.header-inner{padding-top:10px;padding-bottom:10px;}
.site-header.is-scrolled .header-inner{padding-top:4px;padding-bottom:4px;}
.brand-row{display:flex;align-items:center;gap:24px;}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:var(--radius-xs);flex:0 0 auto;
  background:linear-gradient(135deg,var(--primary) 0 55%,var(--accent) 55% 100%);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-name{font-size:20px;font-weight:700;color:var(--primary);letter-spacing:-.01em;}
.brand-sub{font-size:12px;color:var(--muted);letter-spacing:.04em;}
.hotwords{display:flex;align-items:center;gap:8px;flex:1 1 auto;overflow:hidden;}
.pill{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;
  border:1px solid var(--line);border-radius:999px;background:var(--surface);
  font-size:13px;color:var(--muted);white-space:nowrap;transition:all var(--ease);
}
.pill:hover{border-color:rgba(14,59,51,.4);color:var(--primary);background:rgba(14,59,51,.05);}
.pill.is-hot{background:rgba(255,106,43,.12);border-color:rgba(255,106,43,.35);color:var(--accent-deep);}
.brand-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.icon-btn{
  width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--radius-s);background:var(--surface);color:var(--primary);
  transition:all var(--ease);
}
.icon-btn:hover{border-color:var(--primary);background:rgba(14,59,51,.06);color:var(--primary);}
.icon-btn svg{width:18px;height:18px;}
.burger{display:none;width:40px;height:38px;border:1px solid var(--line);border-radius:var(--radius-s);background:var(--surface);flex-direction:column;justify-content:center;align-items:center;gap:4px;}
.burger span{display:block;width:18px;height:2px;background:var(--primary);border-radius:2px;}
.channel-row{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-top:8px;padding-top:8px;border-top:1px solid var(--line);}
.site-header.is-scrolled .channel-row{margin-top:4px;padding-top:6px;}
.channels{display:flex;align-items:center;gap:28px;overflow-x:auto;scrollbar-width:none;}
.channels::-webkit-scrollbar{display:none;}
.channels a{position:relative;font-size:15px;color:var(--muted);padding:6px 0;white-space:nowrap;}
.channels a:hover{color:var(--primary);}
.channels a.is-active{color:var(--primary);font-weight:600;}
.channels a.is-active::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--accent);border-radius:2px;}
.nav-search{display:flex;align-items:center;gap:8px;flex:0 0 auto;}
.nav-search input{
  width:220px;height:38px;padding:0 12px;border:1px solid var(--line);border-radius:var(--radius-s);
  background:var(--surface);color:var(--text);transition:all var(--ease);
}
.nav-search input::placeholder{color:#9AA39D;}
.nav-search input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(14,59,51,.12);}
.drawer{display:none;border-top:1px solid var(--line);background:var(--surface);}
.drawer-inner{padding:16px 24px 24px;}
.drawer h3{font-size:14px;color:var(--primary);margin:16px 0 8px;}
.drawer-list{display:flex;flex-wrap:wrap;gap:10px;}
.drawer-list a{font-size:14px;padding:8px 12px;border:1px solid var(--line);border-radius:var(--radius-s);background:var(--bg);color:var(--primary);}
.drawer-form{display:flex;flex-direction:column;gap:10px;margin-top:16px;}
.drawer-form input{height:44px;padding:0 12px;border:1px solid var(--line);border-radius:var(--radius-s);background:var(--bg);}
.drawer-form input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(14,59,51,.12);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--radius-s);border:1.5px solid transparent;
  font-size:15px;font-weight:600;line-height:1;transition:all var(--ease);
}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent);}
.btn-primary:hover{background:var(--accent-deep);border-color:var(--accent-deep);color:#fff;transform:translateY(-1px);}
.btn-outline{background:transparent;color:var(--primary);border-color:var(--primary);}
.btn-outline:hover{background:rgba(14,59,51,.08);color:var(--primary);}
.btn-ghost{background:var(--surface);color:var(--primary);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--primary);background:rgba(14,59,51,.06);color:var(--primary);}
.btn-text{height:auto;padding:0;background:none;border:none;color:var(--primary);font-weight:600;}
.btn-text::after{content:"→";margin-left:6px;transition:transform var(--ease);}
.btn-text:hover{color:var(--accent);}
.btn-text:hover::after{transform:translateX(4px);}
.btn[disabled]{opacity:.55;cursor:not-allowed;transform:none;}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 9px;border-radius:var(--radius-xs);
  font-size:13px;font-weight:600;background:rgba(14,59,51,.10);color:var(--primary);
}
.badge-soft{background:#F1EDE3;color:var(--muted);font-weight:500;}
.badge-hot{background:rgba(255,106,43,.14);color:var(--accent-deep);}

/* ---------- 面包屑 ---------- */
.crumbs{font-size:13px;color:var(--muted);padding:20px 0 0;}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--primary);}
.crumbs span{color:#9AA39D;margin:0 6px;}

/* ---------- 分类页头 ---------- */
.page-head{padding:24px 0 8px;}
.page-head-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--accent-deep);font-weight:600;letter-spacing:.04em;}
.eyebrow::before{content:"";width:20px;height:4px;background:var(--accent);border-radius:2px;}
.page-head h1{font-size:44px;line-height:1.2;margin:16px 0 16px;}
.page-head .lede{font-size:17px;color:var(--muted);max-width:56ch;}
.meta-list{display:flex;flex-wrap:wrap;gap:20px;margin-top:24px;}
.meta-list li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text);}
.meta-list svg{width:16px;height:16px;color:var(--teal);flex:0 0 auto;}
.head-visual{position:relative;}
.head-visual .thumb{aspect-ratio:16/10;border-radius:var(--radius-l);}
.head-visual .float-badge{
  position:absolute;left:20px;top:20px;z-index:3;
  background:rgba(255,255,255,.94);color:var(--primary);box-shadow:var(--shadow-s);
}

/* ---------- 图片比例容器 ---------- */
.thumb{
  position:relative;display:block;overflow:hidden;border-radius:var(--radius-m);
  background:rgba(14,59,51,.12);
}
.thumb::after{
  content:attr(data-fallback);
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:600;color:var(--primary);opacity:.6;text-align:center;padding:12px;
}
.thumb img{position:relative;z-index:1;width:100%;height:100%;object-fit:cover;transition:transform var(--ease);}
.thumb-16-10{aspect-ratio:16/10;}
.thumb-3-2{aspect-ratio:3/2;}
.thumb-16-9{aspect-ratio:16/9;}
.thumb-1-1{aspect-ratio:1/1;}

/* ---------- 板块通用 ---------- */
.section{padding:72px 0;}
.section-alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;}
.sec-head h2{font-size:30px;position:relative;padding-left:16px;}
.sec-head h2::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:2px;background:var(--accent);}
.sec-head p{font-size:15px;color:var(--muted);margin-top:8px;padding-left:16px;}

/* ---------- 要点条 ---------- */
.feature-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.feature-strip > .cell{width:auto;}
.feature-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m);
  padding:24px;box-shadow:var(--shadow-s);transition:all var(--ease);
}
.feature-item:hover{box-shadow:var(--shadow-h);transform:translateY(-3px);border-color:rgba(14,59,51,.3);}
.feature-item .fnum{font-size:13px;color:var(--accent-deep);font-weight:700;letter-spacing:.08em;}
.feature-item h3{font-size:20px;margin:10px 0 8px;}
.feature-item p{font-size:15px;color:var(--muted);}

/* ---------- 图文大卡网格 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;}
.card-grid > .cell{width:auto;}
.entry-card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-m);overflow:hidden;box-shadow:var(--shadow-s);transition:all var(--ease);height:100%;
}
.entry-card:hover{box-shadow:var(--shadow-h);transform:translateY(-3px);border-color:rgba(14,59,51,.3);}
.entry-card:hover .thumb img{transform:scale(1.03);}
.entry-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto;}
.entry-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);}
.entry-card h3{font-size:20px;line-height:1.4;}
.entry-card h3 a{color:var(--ink);}
.entry-card h3 a:hover{color:var(--primary);}
.entry-card p{font-size:15px;color:var(--muted);}
.entry-foot{margin-top:auto;padding-top:6px;}
.entry-card.is-lead{grid-column:1 / -1;flex-direction:row;}
.entry-card.is-lead .thumb{flex:0 0 56%;border-radius:0;aspect-ratio:auto;min-height:340px;}
.entry-card.is-lead .entry-body{justify-content:center;padding:36px 40px;}
.entry-card.is-lead h3{font-size:28px;}

/* ---------- 加载更多 ---------- */
.more-wrap{display:flex;flex-direction:column;align-items:center;gap:12px;margin-top:40px;}
.more-note{font-size:14px;color:var(--muted);}

/* ---------- 相关分类胶囊 ---------- */
.cat-links{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.cat-links > .cell{width:auto;}
.cat-link{
  display:flex;flex-direction:column;gap:6px;padding:20px;border:1px solid var(--line);
  border-radius:var(--radius-m);background:var(--surface);transition:all var(--ease);
}
.cat-link strong{font-size:17px;color:var(--primary);}
.cat-link span{font-size:13px;color:var(--muted);}
.cat-link:hover{transform:translateY(-3px);border-color:rgba(14,59,51,.35);box-shadow:var(--shadow-h);}

/* ---------- FAQ ---------- */
.faq-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m);overflow:hidden;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-item summary{
  list-style:none;display:flex;align-items:center;gap:14px;min-height:56px;padding:14px 22px;
  cursor:pointer;font-size:16px;font-weight:600;color:var(--ink);transition:background var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:rgba(14,59,51,.04);}
.faq-item summary .qa-num{font-size:13px;font-weight:700;color:var(--accent-deep);letter-spacing:.06em;flex:0 0 auto;}
.faq-item summary .qa-icon{
  margin-left:auto;flex:0 0 auto;width:22px;height:22px;border-radius:50%;
  border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;
  font-size:15px;line-height:1;color:var(--primary);transition:transform var(--ease),background var(--ease);
}
.faq-item[open] summary .qa-icon{transform:rotate(45deg);background:rgba(255,106,43,.14);border-color:rgba(255,106,43,.4);color:var(--accent-deep);}
.faq-answer{margin:0 22px 18px 22px;padding:16px;border-radius:var(--radius-s);background:#F7F4EC;font-size:15px;color:var(--muted);}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  border-radius:var(--radius-l);padding:32px;display:flex;align-items:center;justify-content:space-between;gap:28px;
  color:#fff;
}
.cta-band h2{color:#fff;font-size:24px;margin-bottom:8px;}
.cta-band p{color:rgba(255,255,255,.72);font-size:15px;}
.cta-actions{display:flex;gap:12px;flex:0 0 auto;}
.cta-actions .btn-ghost{background:transparent;border-color:rgba(255,255,255,.4);color:#fff;}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--primary-deep);color:rgba(255,255,255,.72);margin-top:88px;padding-top:64px;}
.site-footer a{color:rgba(255,255,255,.72);}
.site-footer a:hover{color:#fff;}
.footer-grid{display:grid;grid-template-columns:6fr 2fr 2fr 2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.footer-brand .brand-mark{width:34px;height:34px;background:linear-gradient(135deg,#1E6B5C 0 55%,var(--accent) 55% 100%);}
.footer-brand .brand-name{color:#fff;font-size:20px;font-weight:700;display:block;}
.footer-brand .brand-sub{color:rgba(255,255,255,.6);font-size:12px;display:block;}
.footer-desc{font-size:14px;line-height:1.85;max-width:44ch;}
.footer-social{display:flex;gap:16px;margin-top:18px;font-size:14px;}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:16px;}
.footer-col li{margin-bottom:10px;}
.footer-col li a{font-size:14px;display:inline-block;transition:transform var(--ease),color var(--ease);}
.footer-col li a:hover{transform:translateX(-2px);}
.sub-form{display:flex;gap:8px;}
.sub-form input{
  flex:1 1 auto;min-width:0;height:44px;padding:0 12px;border-radius:var(--radius-s);
  border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.08);color:#fff;
}
.sub-form input::placeholder{color:rgba(255,255,255,.5);}
.sub-form input:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 3px rgba(24,183,160,.24);}
.footer-note{font-size:13px;color:rgba(255,255,255,.5);margin-top:12px;}
.footer-bottom{
  margin-top:48px;padding:20px 0;border-top:1px solid rgba(255,255,255,.14);
  display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:13px;flex-wrap:wrap;
}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;z-index:90;width:44px;height:44px;border-radius:50%;
  background:var(--primary);color:#fff;border:none;display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 10px 24px -12px rgba(16,22,20,.6);opacity:0;visibility:hidden;transition:all var(--ease);
}
.to-top.is-on{opacity:1;visibility:visible;}
.to-top:hover{background:var(--accent);}
.to-top svg{width:18px;height:18px;}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .hotwords{display:none;}
  .nav-search{display:none;}
  .burger{display:flex;}
  .page-head h1{font-size:34px;}
  .page-head-grid{grid-template-columns:1fr;gap:32px;}
  .head-visual .thumb{aspect-ratio:16/9;}
  .section{padding:56px 0;}
  .feature-strip{grid-template-columns:1fr 1fr;}
  .cat-links{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .site-footer{padding-top:48px;margin-top:56px;}
  .entry-card.is-lead{flex-direction:column;}
  .entry-card.is-lead .thumb{flex:none;width:100%;min-height:0;aspect-ratio:16/9;}
  .entry-card.is-lead .entry-body{padding:24px;}
  .entry-card.is-lead h3{font-size:24px;}
}
@media (max-width:768px){
  .container{padding:0 18px;}
  .page-head h1{font-size:28px;}
  .page-head .lede{font-size:16px;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:8px;}
  .sec-head h2{font-size:24px;}
  .section{padding:44px 0;}
  .feature-strip{grid-template-columns:1fr;}
  .card-grid{grid-template-columns:1fr;gap:20px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:24px;}
  .cta-actions{width:100%;flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .brand-sub{display:none;}
  .brand-name{font-size:18px;}
}
@media (max-width:520px){
  .page-head h1{font-size:24px;}
  .cat-links{grid-template-columns:1fr;}
  .channels{gap:20px;}
  .channels a{font-size:14px;}
  .nav-search input{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important;}
  .entry-card:hover,.feature-item:hover,.cat-link:hover,.btn-primary:hover{transform:none;}
}

/* roulang page: category2 */
:root{
  --ink:#101614;
  --primary:#0E3B33;
  --primary-deep:#0A2C26;
  --accent:#FF6A2B;
  --accent-deep:#E2551A;
  --teal:#18B7A0;
  --bg:#F7F5F0;
  --surface:#FFFFFF;
  --line:#E4DED2;
  --text:#1B211F;
  --muted:#5C6660;
  --radius-l:20px;
  --radius-m:14px;
  --radius-s:10px;
  --radius-xs:6px;
  --shadow-s:0 1px 2px rgba(16,22,20,.05);
  --shadow-h:0 12px 28px -14px rgba(16,22,20,.28);
  --sp-1:8px; --sp-2:12px; --sp-3:16px; --sp-4:24px;
  --sp-5:32px; --sp-6:48px; --sp-7:72px; --sp-8:88px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --t:180ms ease;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;
  font-family:var(--font-cn);
  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:0;}
a{color:var(--primary);text-decoration:none;transition:color var(--t);}
a:hover{color:var(--accent);}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;color:var(--ink);line-height:1.35;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button,input{font-family:inherit;font-size:inherit;}
button{cursor:pointer;border:0;background:none;color:inherit;}
:focus-visible{outline:2px solid var(--teal);outline-offset:2px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}
.section{padding:var(--sp-7) 0;}
.section--tight{padding:var(--sp-6) 0;}
.section--plain{background:var(--bg);}
.section--surface{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{margin-bottom:var(--sp-6);}
.section-head h2{
  font-size:30px;display:flex;align-items:center;gap:12px;flex-wrap:wrap;
}
.section-head h2::before{
  content:"";width:20px;height:4px;background:var(--accent);border-radius:2px;flex:0 0 auto;
}
.section-head .sub{margin-top:10px;font-size:15px;color:var(--muted);max-width:760px;}
.section-head--row{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap;}

/* 顶部条 */
.topline{height:3px;background:linear-gradient(90deg,#0E3B33 0%,#0E3B33 62%,#FF6A2B 100%);}

/* ===== 导航 ===== */
.site-header{position:sticky;top:0;z-index:80;background:rgba(247,245,240,.96);backdrop-filter:saturate(120%) blur(6px);transition:box-shadow var(--t),background var(--t);}
.site-header.is-stuck{box-shadow:0 10px 30px -18px rgba(16,22,20,.45);background:rgba(247,245,240,.98);}
.brand-bar{border-bottom:1px solid var(--line);}
.brand-bar-inner{display:flex;align-items:center;gap:24px;min-height:64px;padding-top:8px;padding-bottom:8px;transition:min-height var(--t);}
.is-stuck .brand-bar-inner{min-height:56px;}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,#0E3B33 0%,#18B7A0 65%,#FF6A2B 100%);position:relative;flex:0 0 auto;}
.brand-mark::after{content:"";position:absolute;inset:9px;border-radius:3px;border:2px solid rgba(255,255,255,.85);border-bottom-color:transparent;border-right-color:transparent;transform:rotate(-45deg);}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-name{font-size:19px;font-weight:700;color:var(--ink);letter-spacing:-.01em;}
.brand-sub{font-size:12px;color:var(--muted);}
.hotwords{display:flex;align-items:center;gap:10px;flex:1 1 auto;overflow:hidden;}
.pill{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;
  font-size:13px;color:var(--primary);background:rgba(14,59,51,.08);
  border:1px solid transparent;white-space:nowrap;transition:all var(--t);
}
.pill:hover{background:rgba(14,59,51,.14);color:var(--primary-deep);}
.pill.is-hot{background:rgba(255,106,43,.14);color:var(--accent-deep);}
.pill.is-hot:hover{background:rgba(255,106,43,.22);color:var(--accent-deep);}
.brand-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.icon-btn{width:38px;height:38px;border-radius:var(--radius-s);display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);background:var(--surface);color:var(--primary);transition:all var(--t);}
.icon-btn:hover{border-color:rgba(14,59,51,.4);color:var(--accent);}
.icon-btn svg{width:17px;height:17px;}
.channel-bar{border-bottom:1px solid var(--line);background:rgba(255,255,255,.7);}
.channel-inner{display:flex;align-items:center;gap:20px;min-height:48px;transition:min-height var(--t);}
.is-stuck .channel-inner{min-height:42px;}
.channel-nav{display:flex;align-items:center;gap:6px;flex:1 1 auto;overflow-x:auto;scrollbar-width:none;}
.channel-nav::-webkit-scrollbar{display:none;}
.channel-nav a{
  position:relative;padding:10px 12px;font-size:15px;color:var(--text);white-space:nowrap;font-weight:500;
}
.channel-nav a::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform var(--t);}
.channel-nav a:hover{color:var(--primary);}
.channel-nav a:hover::after{transform:scaleX(1);}
.channel-nav a.is-active{color:var(--primary-deep);font-weight:700;}
.channel-nav a.is-active::after{transform:scaleX(1);}
.channel-search{display:flex;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-s);overflow:hidden;flex:0 0 auto;transition:all var(--t);}
.channel-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(14,59,51,.12);}
.channel-search input{width:220px;height:38px;border:0;padding:0 12px;background:transparent;color:var(--text);font-size:14px;}
.channel-search input:focus{outline:none;}
.channel-search button{width:40px;height:38px;color:var(--primary);display:inline-flex;align-items:center;justify-content:center;}
.channel-search button:hover{color:var(--accent);}
.channel-search svg{width:16px;height:16px;}
.menu-toggle{display:none;width:40px;height:40px;border-radius:var(--radius-s);border:1px solid var(--line);background:var(--surface);color:var(--primary);align-items:center;justify-content:center;}
.menu-toggle svg{width:18px;height:18px;}
.mobile-drawer{display:none;border-bottom:1px solid var(--line);background:var(--surface);padding:16px 0 22px;}
.mobile-drawer.is-open{display:block;}
.mobile-drawer .drawer-nav{display:flex;flex-direction:column;gap:2px;margin-bottom:16px;}
.mobile-drawer .drawer-nav a{padding:12px 4px;border-bottom:1px dashed var(--line);font-size:15px;color:var(--text);}
.mobile-drawer .drawer-nav a.is-active{color:var(--primary);font-weight:700;}
.mobile-drawer .drawer-pills{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px;}
.drawer-search{display:flex;gap:10px;margin-bottom:14px;}
.drawer-search input{flex:1;height:44px;border:1px solid var(--line);border-radius:var(--radius-s);padding:0 12px;background:var(--bg);}
.drawer-search input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(14,59,51,.12);}
.drawer-search button{height:44px;padding:0 18px;}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:var(--radius-s);font-size:15px;font-weight:600;letter-spacing:0;transition:all var(--t);border:1.5px solid transparent;white-space:nowrap;}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 20px -12px rgba(226,85,26,.85);}
.btn-primary:hover{background:var(--accent-deep);color:#fff;transform:translateY(-1px);}
.btn-outline{border-color:var(--primary);color:var(--primary);background:transparent;}
.btn-outline:hover{background:rgba(14,59,51,.08);color:var(--primary-deep);}
.btn-ghost{color:var(--primary);padding:0;height:auto;font-weight:600;}
.btn-ghost:hover{color:var(--accent);}
.btn-ghost .arrow{display:inline-block;transition:transform var(--t);}
.btn-ghost:hover .arrow{transform:translateX(4px);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn-light{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.32);}
.btn-light:hover{background:rgba(255,255,255,.24);color:#fff;}
.btn-block{width:100%;}

/* ===== 徽章 / 标签 ===== */
.badge{display:inline-flex;align-items:center;height:24px;padding:0 9px;border-radius:var(--radius-xs);font-size:13px;background:rgba(14,59,51,.1);color:var(--primary);font-weight:600;}
.badge-soft{background:#F1EDE4;color:var(--muted);font-weight:400;}
.badge-accent{background:rgba(255,106,43,.14);color:var(--accent-deep);}

/* ===== 面包屑 ===== */
.crumb{font-size:13px;color:var(--muted);display:flex;align-items:center;gap:6px;flex-wrap:wrap;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--accent);}
.crumb .sep{color:#C7C0B2;}

/* ===== 分类页头 ===== */
.cat-hero{padding:var(--sp-6) 0 var(--sp-7);background:linear-gradient(180deg,#FFFFFF 0%,var(--bg) 100%);border-bottom:1px solid var(--line);}
.cat-hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;}
.cat-hero h1{font-size:40px;margin:14px 0 16px;line-height:1.28;}
.cat-hero .lead{font-size:17px;color:var(--muted);max-width:600px;}
.cat-hero .lead + .lead{margin-top:10px;}
.cat-hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px;}
.cat-hero-media{position:relative;border-radius:var(--radius-l);overflow:hidden;aspect-ratio:16/11;box-shadow:var(--shadow-h);}
.cat-hero-media img{width:100%;height:100%;object-fit:cover;}
.cat-hero-media .media-tag{position:absolute;left:16px;top:16px;background:rgba(14,59,51,.92);color:#fff;font-size:13px;padding:6px 12px;border-radius:999px;}
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:var(--sp-6);border:1px solid var(--line);border-radius:var(--radius-m);background:var(--surface);overflow:hidden;}
.stat-strip .stat{padding:20px 22px;border-right:1px solid var(--line);}
.stat-strip .stat:last-child{border-right:0;}
.stat .num{font-size:26px;font-weight:700;color:var(--primary);letter-spacing:-.01em;}
.stat .label{font-size:13px;color:var(--muted);margin-top:2px;}

/* ===== 媒体容器与降级 ===== */
.media{position:relative;overflow:hidden;background:rgba(14,59,51,.12);}
.media img{width:100%;height:100%;object-fit:cover;transition:transform 260ms ease;}
.media .ph{display:none;position:absolute;inset:0;align-items:center;justify-content:center;text-align:center;padding:10px;font-size:13px;color:var(--primary);}
.media.is-broken img{opacity:0;}
.media.is-broken .ph{display:flex;}

/* ===== 单列列表流 ===== */
.list-flow{max-width:960px;margin:0 auto;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-l);overflow:hidden;box-shadow:var(--shadow-s);}
.row-card{display:flex;gap:22px;padding:24px;border-bottom:1px solid var(--line);position:relative;transition:background var(--t);}
.row-card:last-child{border-bottom:0;}
.row-card:hover{background:#FBF9F4;}
.row-card .row-thumb{flex:0 0 180px;width:180px;height:120px;border-radius:var(--radius-m);}
.row-card .row-thumb img{width:180px;height:120px;}
.row-card:hover .row-thumb img{transform:scale(1.04);}
.row-body{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;gap:8px;}
.row-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.row-body h3{font-size:19px;line-height:1.45;}
.row-body h3 a{color:var(--ink);}
.row-body h3 a:hover{color:var(--primary);}
.row-body p{font-size:15px;color:var(--muted);}
.row-arrow{position:absolute;right:24px;bottom:22px;font-size:13px;color:var(--muted);display:inline-flex;align-items:center;gap:6px;transition:transform var(--t),color var(--t);}
.row-card:hover .row-arrow{color:var(--accent);transform:translateX(4px);}
.load-more-wrap{display:flex;justify-content:center;margin-top:var(--sp-5);}

/* ===== 查看顺序（步骤） ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.step{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m);padding:26px 22px;position:relative;transition:all var(--t);}
.step:hover{box-shadow:var(--shadow-h);transform:translateY(-3px);border-color:rgba(14,59,51,.28);}
.step .step-no{font-size:28px;font-weight:700;color:rgba(14,59,51,.24);letter-spacing:.02em;}
.step h3{font-size:18px;margin:10px 0 8px;}
.step p{font-size:14px;color:var(--muted);}

/* ===== 适用场景 ===== */
.scene-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.scene{display:flex;gap:16px;background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:var(--radius-m);padding:22px;transition:all var(--t);}
.scene:hover{box-shadow:var(--shadow-h);transform:translateY(-3px);}
.scene .ic{flex:0 0 42px;width:42px;height:42px;border-radius:12px;background:rgba(24,183,160,.14);color:var(--primary);display:flex;align-items:center;justify-content:center;}
.scene .ic svg{width:20px;height:20px;}
.scene h3{font-size:17px;margin-bottom:6px;}
.scene p{font-size:14px;color:var(--muted);}

/* ===== 分类互链胶囊 ===== */
.cat-links{display:flex;flex-wrap:wrap;gap:12px;}
.cat-links a{display:inline-flex;align-items:center;gap:8px;height:42px;padding:0 20px;border-radius:999px;border:1px solid var(--line);background:var(--surface);font-size:15px;color:var(--primary);transition:all var(--t);}
.cat-links a:hover{border-color:rgba(14,59,51,.4);background:rgba(14,59,51,.06);transform:translateY(-2px);}
.cat-links a.is-current{background:var(--primary);border-color:var(--primary);color:#fff;}

/* ===== FAQ ===== */
.faq-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-l);overflow:hidden;max-width:960px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;min-height:56px;padding:14px 24px;font-size:16px;font-weight:600;color:var(--ink);}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .qa-no{font-size:13px;color:var(--muted);font-weight:700;flex:0 0 auto;}
.faq-item summary .qa-sign{margin-left:auto;width:24px;height:24px;flex:0 0 auto;position:relative;}
.faq-item summary .qa-sign::before,
.faq-item summary .qa-sign::after{content:"";position:absolute;left:50%;top:50%;background:var(--primary);transform:translate(-50%,-50%);transition:transform var(--t);border-radius:2px;}
.faq-item summary .qa-sign::before{width:14px;height:2px;}
.faq-item summary .qa-sign::after{width:2px;height:14px;}
.faq-item[open] summary .qa-sign::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
.faq-item[open] summary{color:var(--primary);}
.faq-answer{background:#FBF9F4;padding:16px 24px 20px 62px;font-size:15px;color:var(--muted);}
.faq-item summary:hover{background:#FBF9F4;}

/* ===== CTA 条 ===== */
.cta-band{background:linear-gradient(135deg,#0E3B33 0%,#0A2C26 100%);border-radius:var(--radius-l);padding:32px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;color:#fff;}
.cta-band h2{color:#fff;font-size:24px;}
.cta-band p{color:rgba(255,255,255,.72);font-size:15px;margin-top:8px;max-width:560px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ===== 页脚 ===== */
.site-footer{background:#0E3B33;color:rgba(255,255,255,.78);margin-top:var(--sp-8);}
.footer-grid{display:grid;grid-template-columns:6fr 2fr 2fr 2fr;gap:40px;padding:64px 0 40px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-mark{background:linear-gradient(135deg,#18B7A0 0%,#FF6A2B 100%);}
.footer-brand .brand-name{color:#fff;font-size:19px;font-weight:700;display:block;}
.footer-brand .brand-sub{color:rgba(255,255,255,.55);font-size:12px;display:block;}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:420px;}
.footer-social{display:flex;gap:16px;margin-top:18px;}
.footer-social a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-social a:hover{color:#fff;}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{font-size:14px;color:rgba(255,255,255,.66);display:inline-block;transition:all var(--t);}
.footer-col ul li a:hover{color:#fff;transform:translateX(-2px);}
.sub-form{display:flex;gap:10px;}
.sub-form input{flex:1 1 auto;min-width:0;height:44px;border-radius:var(--radius-s);border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.08);color:#fff;padding:0 12px;font-size:14px;}
.sub-form input::placeholder{color:rgba(255,255,255,.45);}
.sub-form input:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 3px rgba(24,183,160,.2);}
.footer-note{font-size:13px;color:rgba(255,255,255,.5);margin-top:12px;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding:18px 0 26px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.55);}
.footer-bottom a{color:rgba(255,255,255,.72);}
.footer-bottom a:hover{color:#fff;}

/* ===== 返回顶部 ===== */
.to-top{position:fixed;right:24px;bottom:24px;width:46px;height:46px;border-radius:14px;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-h);opacity:0;pointer-events:none;transform:translateY(10px);transition:all var(--t);z-index:70;}
.to-top.is-show{opacity:1;pointer-events:auto;transform:translateY(0);}
.to-top:hover{background:var(--accent);color:#fff;}
.to-top svg{width:18px;height:18px;}

/* ===== 响应式 ===== */
@media (max-width:1279px){
  .cat-hero h1{font-size:36px;}
}
@media (max-width:1023px){
  .hotwords{display:none;}
  .channel-search{display:none;}
  .menu-toggle{display:inline-flex;}
  .cat-hero-grid{grid-template-columns:1fr;gap:32px;}
  .cat-hero-media{order:-1;aspect-ratio:16/9;}
  .stat-strip{grid-template-columns:repeat(2,1fr);}
  .stat-strip .stat:nth-child(2n){border-right:0;}
  .stat-strip .stat:nth-child(-n+2){border-bottom:1px solid var(--line);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 32px;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .section{padding:44px 0;}
  .section--tight{padding:36px 0;}
  .section-head h2{font-size:23px;}
  .cat-hero{padding:32px 0 44px;}
  .cat-hero h1{font-size:28px;}
  .cat-hero .lead{font-size:16px;}
  .row-card{flex-direction:column;padding:18px;gap:14px;}
  .row-card .row-thumb,
  .row-card .row-thumb img{width:100%;flex:0 0 auto;height:auto;aspect-ratio:16/9;}
  .row-body h3{font-size:17px;}
  .row-arrow{position:static;align-self:flex-start;}
  .scene-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-brand-col{order:-1;}
  .cta-band{padding:24px;flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .faq-answer{padding:14px 18px 18px 18px;}
  .faq-item summary{padding:14px 18px;font-size:15px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:519px){
  .brand-name{font-size:17px;}
  .brand-sub{display:none;}
  .cat-hero h1{font-size:24px;}
  .stat-strip{grid-template-columns:1fr;}
  .stat-strip .stat{border-right:0;border-bottom:1px solid var(--line);}
  .stat-strip .stat:last-child{border-bottom:0;}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;scroll-behavior:auto !important;}
  .row-card:hover .row-thumb img,
  .step:hover,
  .scene:hover,
  .cat-links a:hover{transform:none;}
}

/* roulang page: category3 */
/* ================= 设计变量 ================= */
:root{
  --ink:#101614;
  --primary:#0E3B33;
  --primary-deep:#0A2C26;
  --accent:#FF6A2B;
  --accent-deep:#E2551A;
  --teal:#18B7A0;
  --bg:#F7F5F0;
  --surface:#FFFFFF;
  --line:#E4DED2;
  --text:#1B211F;
  --muted:#5C6660;
  --radius-l:20px;
  --radius-m:14px;
  --radius-s:10px;
  --radius-xs:6px;
  --shadow-s:0 1px 2px rgba(16,22,20,.05);
  --shadow-h:0 12px 28px -14px rgba(16,22,20,.28);
  --tr:180ms ease;
}
/* ================= reset ================= */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--primary);text-decoration:none}
a:hover{color:var(--accent-deep)}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
button,input{font-family:inherit;font-size:inherit}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.num{font-variant-numeric:tabular-nums}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--teal);outline-offset:2px}
/* ================= 容器 ================= */
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.section{padding:80px 0}
.section-alt{background:#FFFDF9;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{
  font-size:30px;font-weight:700;letter-spacing:-.01em;line-height:1.35;
  padding-left:16px;position:relative;color:var(--ink);
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.42em;width:6px;height:20px;border-radius:3px;
  background:linear-gradient(180deg,var(--accent),var(--accent-deep));
}
.section-head p{margin-top:12px;color:var(--muted);font-size:15.5px}
/* ================= 导航 ================= */
.site-header{position:sticky;top:0;z-index:80;background:#FFFDF9;border-bottom:1px solid var(--line);transition:box-shadow var(--tr)}
.site-header::before{content:"";display:block;height:3px;background:linear-gradient(90deg,var(--primary),var(--accent))}
.site-header.is-scrolled{box-shadow:0 12px 26px -20px rgba(16,22,20,.6)}
.nav-top{height:64px;transition:height var(--tr)}
.nav-top-inner{height:100%;display:flex;align-items:center;gap:18px}
.site-header.is-scrolled .nav-top{height:56px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:24px;height:24px;border-radius:8px;background:linear-gradient(135deg,var(--primary),var(--teal));position:relative;flex:0 0 auto}
.brand-mark::after{content:"";position:absolute;inset:8px;background:var(--accent);border-radius:3px}
.brand-name{display:block;font-size:18px;font-weight:700;color:var(--ink);line-height:1.2;letter-spacing:-.01em}
.brand-sub{display:block;font-size:12px;color:var(--muted);line-height:1.3}
.hotwords{display:flex;gap:8px;margin-left:28px}
.pill{
  display:inline-flex;align-items:center;height:30px;padding:0 12px;border-radius:var(--radius-xs);
  border:1px solid var(--line);background:#fff;color:var(--muted);font-size:13px;transition:all var(--tr);
}
.pill:hover{border-color:rgba(14,59,51,.35);color:var(--primary);transform:translateY(-1px)}
.pill.is-hot{background:rgba(255,106,43,.12);border-color:rgba(255,106,43,.3);color:var(--accent-deep)}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.icon-btn{
  width:36px;height:36px;border-radius:var(--radius-xs);border:1px solid var(--line);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;color:var(--primary);cursor:pointer;transition:all var(--tr);
}
.icon-btn:hover{border-color:rgba(14,59,51,.4);background:rgba(14,59,51,.05)}
.menu-toggle{display:none;width:38px;height:38px;border-radius:var(--radius-xs);border:1px solid var(--line);background:#fff;cursor:pointer;padding:0}
.menu-toggle span{display:block;width:18px;height:2px;margin:3px auto;background:var(--primary);border-radius:2px}
.nav-channel{height:48px;border-top:1px solid var(--line);transition:height var(--tr)}
.site-header.is-scrolled .nav-channel{height:42px}
.nav-channel-inner{height:100%;display:flex;align-items:center;gap:18px}
.channel-list{display:flex;gap:2px;overflow-x:auto;scrollbar-width:none}
.channel-list::-webkit-scrollbar{display:none}
.channel-list a{
  display:inline-flex;align-items:center;height:48px;padding:0 14px;font-size:15px;color:var(--text);
  border-bottom:2px solid transparent;white-space:nowrap;transition:all var(--tr);
}
.nav-channel .channel-list a{height:48px}
.channel-list a:hover{color:var(--primary);background:rgba(14,59,51,.04)}
.channel-list a.is-active{color:var(--primary);font-weight:600;border-bottom-color:var(--accent)}
.nav-search{margin-left:auto;display:flex;gap:8px;width:290px;flex:0 0 auto}
.nav-search input{
  width:100%;height:36px;padding:0 12px;border:1px solid var(--line);border-radius:var(--radius-s);
  background:#fff;font-size:14px;transition:all var(--tr);
}
.nav-search input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(14,59,51,.12);outline:none}
/* 移动抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(16,22,20,.42);opacity:0;visibility:hidden;transition:all var(--tr);z-index:110}
body.drawer-open .drawer-mask{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;top:0;right:0;height:100%;width:min(330px,88vw);background:#FFFDF9;z-index:120;
  transform:translateX(102%);transition:transform var(--tr);padding:20px;overflow-y:auto;border-left:1px solid var(--line);
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-title{font-size:15px;font-weight:700;color:var(--ink)}
.drawer-close{width:34px;height:34px;border-radius:var(--radius-xs);border:1px solid var(--line);background:#fff;cursor:pointer;color:var(--primary);line-height:1}
.drawer-list{display:flex;flex-direction:column;gap:6px;margin-bottom:20px}
.drawer-list a{padding:11px 12px;border-radius:var(--radius-s);font-size:15px;color:var(--text);border:1px solid transparent}
.drawer-list a:hover{background:rgba(14,59,51,.06)}
.drawer-list a.is-active{background:rgba(14,59,51,.08);color:var(--primary);font-weight:600;border-color:rgba(14,59,51,.18)}
.drawer-pills{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.drawer-cta{display:block;text-align:center}
/* ================= 按钮 ================= */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;
  border-radius:var(--radius-s);font-size:15px;font-weight:600;border:1.5px solid transparent;
  cursor:pointer;transition:all var(--tr);white-space:nowrap;
}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-deep);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px -14px rgba(226,85,26,.9)}
.btn-ghost{border-color:var(--primary);color:var(--primary);background:transparent}
.btn-ghost:hover{background:rgba(14,59,51,.08);color:var(--primary)}
.btn-light{border-color:rgba(255,255,255,.6);color:#fff;background:transparent}
.btn-light:hover{background:rgba(255,255,255,.14);color:#fff}
.btn-sm{height:36px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.btn.is-done{opacity:.6;cursor:default;transform:none}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary)}
.text-link .arrow{transition:transform var(--tr)}
.text-link:hover{color:var(--accent-deep)}
.text-link:hover .arrow{transform:translateX(4px)}
/* ================= 面包屑 / 徽章 ================= */
.crumbs{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--muted);margin-bottom:20px}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--primary)}
.crumbs .sep{color:#B9B2A6}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--radius-xs);
  font-size:13px;background:rgba(14,59,51,.1);color:var(--primary);font-weight:600;
}
.badge-soft{background:#F1EDE4;color:var(--muted);font-weight:500}
/* ================= 分类页头 ================= */
.page-hero{padding:48px 0 56px;background:#FFFDF9;border-bottom:1px solid var(--line)}
.hero-grid{align-items:center}
.hero-title{font-size:40px;line-height:1.25;font-weight:700;letter-spacing:-.01em;color:var(--ink)}
.hero-lead{margin-top:18px;font-size:16.5px;color:var(--muted);max-width:620px}
.hero-lead + .hero-lead{margin-top:10px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-facts{display:flex;flex-wrap:wrap;gap:22px;margin-top:26px}
.hero-fact{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--muted)}
.hero-fact svg{flex:0 0 auto;color:var(--accent)}
.hero-figure{position:relative;border-radius:var(--radius-l);overflow:hidden;box-shadow:var(--shadow-h);background:rgba(14,59,51,.12)}
.hero-figure img{width:100%;aspect-ratio:16/11;object-fit:cover}
.hero-figure .fig-badge{position:absolute;left:16px;top:16px;background:rgba(255,255,255,.94);color:var(--primary);font-size:13px;font-weight:600;height:28px;padding:0 12px;border-radius:var(--radius-xs);display:inline-flex;align-items:center}
/* ================= 编号流程条目 ================= */
.flow-grid{row-gap:8px}
.flow-item{margin-bottom:28px}
.flow-inner{
  display:flex;gap:20px;height:100%;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-m);padding:26px 24px;box-shadow:var(--shadow-s);transition:all var(--tr);
}
.flow-inner:hover{transform:translateY(-3px);box-shadow:var(--shadow-h);border-color:rgba(14,59,51,.3)}
.flow-num{font-size:44px;font-weight:700;line-height:1;color:rgba(14,59,51,.18);flex:0 0 auto;min-width:56px}
.flow-main{flex:1 1 auto;min-width:0;border-left:2px solid rgba(255,106,43,.35);padding-left:18px}
.flow-main h3{font-size:19px;font-weight:700;line-height:1.45;margin:10px 0 0;color:var(--ink)}
.flow-main h3 a{color:inherit}
.flow-main h3 a:hover{color:var(--primary)}
.flow-main p{margin-top:10px;font-size:15px;color:var(--muted)}
.flow-thumb{margin-top:16px;border-radius:var(--radius-s);overflow:hidden;background:rgba(14,59,51,.12);position:relative}
.flow-thumb img{width:100%;height:132px;object-fit:cover;transition:transform var(--tr)}
.flow-inner:hover .flow-thumb img{transform:scale(1.03)}
.flow-thumb.img-fallback::after{
  content:"hth官网地址";position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  color:var(--primary);font-size:13px;font-weight:600;
}
.flow-main .text-link{margin-top:14px}
.flow-foot{display:flex;justify-content:center;margin-top:22px}
@media (min-width:1024px){
  .flow-item.is-offset{margin-top:44px}
}
/* ================= 深色说明段 ================= */
.section-dark{
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#E8EFEC;padding:78px 0;
}
.section-dark h2{font-size:30px;font-weight:700;color:#fff;letter-spacing:-.01em;padding-left:16px;position:relative}
.section-dark h2::before{content:"";position:absolute;left:0;top:.42em;width:6px;height:20px;border-radius:3px;background:var(--accent)}
.section-dark p{color:rgba(232,239,236,.78);font-size:15.5px;margin-top:14px}
.stat-row{margin-top:8px}
.stat{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius-m);
  padding:22px 20px;margin-bottom:20px;height:calc(100% - 20px);
}
.stat-num{display:block;font-size:34px;font-weight:700;color:#fff;line-height:1.1}
.stat-label{display:block;margin-top:6px;font-size:13px;color:var(--accent);font-weight:600}
.stat p{margin-top:10px;font-size:14.5px;color:rgba(232,239,236,.72)}
/* ================= FAQ ================= */
.faq-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m);overflow:hidden;box-shadow:var(--shadow-s)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-item summary{
  display:flex;align-items:center;gap:14px;min-height:56px;padding:14px 22px;cursor:pointer;
  list-style:none;font-size:16px;font-weight:600;color:var(--ink);transition:background var(--tr);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:#FBF8F2}
.faq-num{font-size:13px;color:var(--accent);font-weight:700;flex:0 0 auto}
.faq-q{flex:1 1 auto}
.faq-icon{position:relative;width:16px;height:16px;flex:0 0 auto;transition:transform var(--tr)}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--primary);border-radius:2px}
.faq-icon::before{left:0;top:7px;width:16px;height:2px}
.faq-icon::after{top:0;left:7px;width:2px;height:16px}
.faq-item[open] .faq-icon{transform:rotate(45deg)}
.faq-a{padding:0 22px 20px 50px;font-size:15px;color:var(--muted);background:#FBF8F2}
/* ================= 相关分类 ================= */
.rel-grid{display:flex;flex-wrap:wrap;gap:12px;margin-top:8px}
.rel-pill{
  display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 18px;border-radius:999px;
  border:1px solid var(--line);background:#fff;color:var(--text);font-size:15px;transition:all var(--tr);
}
.rel-pill:hover{border-color:rgba(14,59,51,.4);color:var(--primary);transform:translateY(-2px);box-shadow:var(--shadow-s)}
.rel-pill.is-current{background:rgba(14,59,51,.08);border-color:rgba(14,59,51,.28);color:var(--primary);font-weight:600}
.rel-pill .dot{width:6px;height:6px;border-radius:50%;background:var(--accent)}
/* ================= CTA ================= */
.cta-band{padding:0 0 80px}
.cta-inner{
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));border-radius:var(--radius-l);
  padding:38px 40px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-inner h2{font-size:26px;font-weight:700;color:#fff;letter-spacing:-.01em}
.cta-inner p{margin-top:10px;color:rgba(232,239,236,.76);font-size:15px;max-width:560px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
/* ================= 页脚 ================= */
.site-footer{background:#0A2C26;color:rgba(232,239,236,.75);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:6fr 2fr 2fr 2fr;gap:32px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{width:24px;height:24px}
.footer-brand .brand-name{color:#fff;font-size:18px;font-weight:700;display:block;line-height:1.2}
.footer-brand .brand-sub{color:rgba(232,239,236,.6);font-size:12px;display:block}
.footer-desc{font-size:14px;line-height:1.85;max-width:420px;color:rgba(232,239,236,.72)}
.footer-social{display:flex;gap:16px;margin-top:18px}
.footer-social a{font-size:14px;color:rgba(232,239,236,.75)}
.footer-social a:hover{color:var(--accent)}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col ul a{font-size:14px;color:rgba(232,239,236,.72);transition:all var(--tr);display:inline-block}
.footer-col ul a:hover{color:#fff;transform:translateX(-2px)}
.sub-form{display:flex;gap:8px}
.sub-form input{
  flex:1 1 auto;min-width:0;height:44px;padding:0 12px;border-radius:var(--radius-s);
  border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.06);color:#fff;font-size:14px;
}
.sub-form input::placeholder{color:rgba(232,239,236,.5)}
.sub-form input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(255,106,43,.18)}
.footer-note{margin-top:12px;font-size:13px;color:rgba(232,239,236,.55)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0;display:flex;align-items:center;
  justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(232,239,236,.6);
}
.footer-bottom a{color:rgba(232,239,236,.8)}
.footer-bottom a:hover{color:var(--accent)}
/* ================= 返回顶部 ================= */
#backToTop{
  position:fixed;right:24px;bottom:24px;width:46px;height:46px;border-radius:50%;border:1px solid rgba(14,59,51,.2);
  background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;
  opacity:0;visibility:hidden;transform:translateY(10px);transition:all var(--tr);z-index:90;
}
#backToTop.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
#backToTop:hover{background:var(--accent)}
/* ================= 响应式 ================= */
@media (max-width:1023px){
  .hotwords{display:none}
  .nav-search{width:210px}
  .hero-title{font-size:32px}
  .section{padding:56px 0}
  .section-dark{padding:56px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand-col{grid-column:1 / -1}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .nav-channel{display:none}
  .menu-toggle{display:block}
  .nav-search{display:none}
  .nav-actions .btn{display:none}
  .page-hero{padding:32px 0 40px}
  .hero-title{font-size:28px}
  .hero-lead{font-size:15.5px}
  .hero-figure{margin-top:26px}
  .section{padding:44px 0}
  .section-head h2{font-size:22px}
  .section-dark{padding:44px 0}
  .section-dark h2{font-size:22px}
  .flow-inner{flex-direction:column;gap:12px;padding:22px 18px}
  .flow-num{font-size:34px;min-width:auto}
  .flow-main{border-left:0;padding-left:0}
  .flow-main h3{font-size:17px}
  .flow-thumb img{height:160px}
  .cta-inner{padding:28px 22px}
  .cta-inner h2{font-size:21px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .faq-item summary{padding:14px 16px;font-size:15px}
  .faq-a{padding:0 16px 18px 16px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  #backToTop{right:16px;bottom:16px}
}
@media (max-width:480px){
  .hero-title{font-size:25px}
  .flow-thumb img{height:140px}
  .rel-pill{height:40px;font-size:14px;padding:0 14px}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important}
  .flow-inner:hover,.rel-pill:hover,.btn-primary:hover{transform:none}
}

/* roulang page: category4 */
:root{
  --ink:#101614;
  --primary:#0E3B33;
  --primary-deep:#0A2C26;
  --accent:#FF6A2B;
  --accent-deep:#E2551A;
  --teal:#18B7A0;
  --bg:#F7F5F0;
  --surface:#FFFFFF;
  --line:#E4DED2;
  --text:#1B211F;
  --muted:#5C6660;
  --radius-l:20px;
  --radius-m:14px;
  --radius-s:10px;
  --radius-xs:6px;
  --shadow-s:0 1px 2px rgba(16,22,20,.05);
  --shadow-h:0 12px 28px -14px rgba(16,22,20,.28);
  --ease:180ms ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.7;
  color:var(--text);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;background:transparent}
a:hover,a:focus{color:var(--primary)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
:focus-visible{outline:2px solid var(--teal);outline-offset:2px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--radius-s);
  font-size:15px;font-weight:600;letter-spacing:-.01em;
  border:1.5px solid transparent;transition:all var(--ease);white-space:nowrap;
}
.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn-primary:hover,.btn-primary:focus{background:var(--accent-deep);border-color:var(--accent-deep);color:#fff;transform:translateY(-1px)}
.btn-outline{background:transparent;color:var(--primary);border-color:var(--primary)}
.btn-outline:hover,.btn-outline:focus{background:rgba(14,59,51,.08);color:var(--primary)}
.btn-ghost{background:rgba(255,255,255,.10);color:#fff;border-color:rgba(255,255,255,.35)}
.btn-ghost:hover,.btn-ghost:focus{background:rgba(255,255,255,.20);color:#fff}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:600;font-size:15px}
.btn-text::after{content:"→";transition:transform var(--ease)}
.btn-text:hover{color:var(--accent)}
.btn-text:hover::after{transform:translateX(4px)}

/* ---------- 徽章 / 胶囊 ---------- */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 9px;border-radius:var(--radius-xs);
  font-size:12px;font-weight:600;letter-spacing:.02em;
  background:rgba(14,59,51,.10);color:var(--primary);
}
.badge-soft{background:#EFEBE2;color:var(--muted)}
.pill{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;
  font-size:13px;font-weight:600;color:var(--muted);
  background:rgba(14,59,51,.06);border:1px solid transparent;transition:all var(--ease);
}
.pill:hover{color:var(--primary);background:rgba(14,59,51,.12)}
.pill.is-hot{color:var(--accent-deep);background:rgba(255,106,43,.12)}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(247,245,240,.97);border-bottom:1px solid var(--line);transition:box-shadow var(--ease)}
.site-header.is-stuck{box-shadow:0 8px 22px -16px rgba(16,22,20,.45);background:rgba(247,245,240,.97)}
.top-strip{height:3px;background:linear-gradient(90deg,var(--primary) 0%,var(--primary) 45%,var(--accent) 100%)}
.brand-row{display:flex;align-items:center;gap:24px;height:64px;transition:height var(--ease)}
.site-header.is-stuck .brand-row{height:58px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:36px;height:36px;border-radius:10px;background:var(--primary);
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.brand-mark svg{width:22px;height:22px;stroke:var(--accent);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:-.01em}
.brand-sub{font-size:11px;color:var(--muted);letter-spacing:.06em}
.hotwords{display:flex;align-items:center;gap:8px;flex:1 1 auto;overflow:hidden}
.brand-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;margin-left:auto}
.icon-btn{
  width:38px;height:38px;border-radius:var(--radius-s);border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;background:var(--surface);transition:all var(--ease);
}
.icon-btn svg{width:18px;height:18px;stroke:var(--primary);fill:none;stroke-width:1.8;stroke-linecap:round}
.icon-btn:hover{border-color:var(--primary);background:rgba(14,59,51,.06)}
.hamburger{display:none;width:40px;height:40px;border-radius:var(--radius-s);border:1px solid var(--line);background:var(--surface);align-items:center;justify-content:center;flex-direction:column;gap:4px}
.hamburger span{display:block;width:18px;height:2px;background:var(--primary);border-radius:2px}
.channel-row{border-top:1px solid var(--line);background:rgba(255,255,255,.6)}
.channel-inner{display:flex;align-items:center;gap:20px;height:48px;transition:height var(--ease)}
.site-header.is-stuck .channel-inner{height:44px}
.channels{display:flex;align-items:center;gap:4px;flex:1 1 auto;overflow-x:auto;scrollbar-width:none}
.channels::-webkit-scrollbar{display:none}
.channel{
  position:relative;display:inline-flex;align-items:center;height:48px;padding:0 14px;
  font-size:15px;font-weight:600;color:var(--muted);white-space:nowrap;transition:color var(--ease);
}
.site-header.is-stuck .channel{height:44px}
.channel:hover{color:var(--primary)}
.channel.is-active{color:var(--primary)}
.channel.is-active::after{content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;background:var(--accent);border-radius:2px}
.search-inline{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.search-inline input{
  width:220px;height:38px;padding:0 14px;border-radius:var(--radius-s);
  border:1px solid var(--line);background:var(--surface);font-size:14px;transition:all var(--ease);
}
.search-inline input::placeholder{color:#9AA29B}
.search-inline input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(14,59,51,.12)}
.search-inline button{
  height:38px;padding:0 16px;border-radius:var(--radius-s);background:var(--primary);color:#fff;font-size:14px;font-weight:600;transition:all var(--ease);
}
.search-inline button:hover{background:var(--primary-deep)}
.drawer{position:fixed;inset:0 0 0 auto;width:82%;max-width:340px;background:var(--surface);z-index:120;box-shadow:-18px 0 40px -20px rgba(16,22,20,.5);padding:20px;overflow-y:auto;transform:translateX(103%);transition:transform 220ms ease}
.drawer.is-open{transform:translateX(0)}
.drawer[hidden]{display:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-head strong{font-size:16px;color:var(--ink)}
.drawer-close{width:36px;height:36px;border-radius:var(--radius-s);border:1px solid var(--line);background:var(--surface);font-size:18px;line-height:1;color:var(--primary)}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:20px}
.drawer-nav a{padding:11px 12px;border-radius:var(--radius-s);font-size:15px;font-weight:600;color:var(--text);transition:all var(--ease)}
.drawer-nav a:hover,.drawer-nav a.is-active{background:rgba(14,59,51,.08);color:var(--primary)}
.drawer .hotwords{flex-direction:row;flex-wrap:wrap;overflow:visible;margin-bottom:18px}
.drawer form{display:flex;gap:8px;margin-bottom:12px}
.drawer form input{flex:1 1 auto;height:44px;padding:0 14px;border-radius:var(--radius-s);border:1px solid var(--line)}
.drawer form button{height:44px;padding:0 18px;border-radius:var(--radius-s);background:var(--accent);color:#fff;font-weight:600}
.drawer .drawer-cta{width:100%}

/* ---------- 通用板块 ---------- */
.section{padding:80px 0}
.section-alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}
.section-title{position:relative;padding-left:18px;font-size:30px;font-weight:700;line-height:1.3;letter-spacing:-.01em;color:var(--ink)}
.section-title::before{content:"";position:absolute;left:0;top:.58em;width:20px;height:4px;border-radius:2px;background:var(--accent)}
.section-desc{margin-top:10px;font-size:15px;color:var(--muted);max-width:640px}

/* ---------- 分类页头区 ---------- */
.cat-hero{padding:36px 0 0}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:22px}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:#B6BDB7}
.breadcrumb .current{color:var(--primary);font-weight:600}
.cat-hero-head{max-width:820px}
.cat-hero-head h1{margin-top:14px;font-size:44px;line-height:1.24;font-weight:700;letter-spacing:-.01em;color:var(--ink)}
.cat-hero-head .cat-lead{margin-top:18px;font-size:17px;color:var(--muted)}
.cat-hero-head .cat-lead span{display:block;margin-top:6px}
.cat-hero-media{position:relative;margin-top:34px;border-radius:var(--radius-l);overflow:hidden;background:rgba(14,59,51,.12);aspect-ratio:16/6;box-shadow:var(--shadow-h)}
.cat-hero-media img{width:100%;height:100%;object-fit:cover}
.cat-hero-media .media-mask{position:absolute;inset:auto 0 0 0;padding:26px 28px;background:linear-gradient(180deg,rgba(10,44,38,0) 0%,rgba(10,44,38,.82) 100%);color:#fff;display:flex;flex-wrap:wrap;gap:26px}
.media-stat{min-width:120px}
.media-stat b{display:block;font-size:26px;font-weight:700;letter-spacing:-.01em}
.media-stat span{font-size:13px;opacity:.86}

/* ---------- 筛选标签 ---------- */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.filter-chip{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:999px;
  border:1px solid var(--line);background:var(--surface);color:var(--muted);
  font-size:14px;font-weight:600;transition:all var(--ease);
}
.filter-chip:hover{border-color:var(--primary);color:var(--primary)}
.filter-chip.is-selected{background:var(--primary);border-color:var(--primary);color:#fff}

/* ---------- 紧凑条目卡 ---------- */
.compact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.compact-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m);
  overflow:hidden;box-shadow:var(--shadow-s);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.compact-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-h);border-color:rgba(14,59,51,.30)}
.thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:rgba(14,59,51,.08)}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease)}
.compact-card:hover .thumb img{transform:scale(1.03)}
.thumb.img-fallback img{display:none}
.thumb.img-fallback::after{
  content:"hth官网地址";position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;color:var(--primary);background:rgba(14,59,51,.12);
}
.compact-body{padding:16px 18px 20px}
.compact-body h3{
  font-size:18px;line-height:1.45;font-weight:700;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.compact-body .meta{margin-top:10px;display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted)}
.empty-card{
  border:1.5px dashed var(--line);border-radius:var(--radius-m);min-height:180px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  text-align:center;padding:28px;background:var(--surface);
}
.empty-card .dot{width:36px;height:36px;border-radius:50%;background:rgba(255,106,43,.14);display:flex;align-items:center;justify-content:center;color:var(--accent-deep);font-weight:700}
.empty-card p{font-size:15px;color:var(--muted)}

/* ---------- 适用场景 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scene-card{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-m);padding:26px 24px;transition:all var(--ease)}
.scene-card:hover{background:var(--surface);border-color:rgba(14,59,51,.28);box-shadow:var(--shadow-h);transform:translateY(-3px)}
.scene-card .scene-icon{width:42px;height:42px;border-radius:var(--radius-s);background:rgba(14,59,51,.10);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.scene-card .scene-icon svg{width:22px;height:22px;stroke:var(--primary);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.scene-card h3{font-size:19px;font-weight:700;color:var(--ink);margin-bottom:10px}
.scene-card p{font-size:15px;color:var(--muted)}
.scene-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}

/* ---------- 检索路径 ---------- */
.path-track{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:8px;border-top:1px solid var(--line)}
.path-step{position:relative;padding:26px 22px 4px 0}
.path-step::before{content:"";position:absolute;top:-5px;left:0;width:9px;height:9px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(255,106,43,.16)}
.path-step h3{font-size:17px;font-weight:700;color:var(--ink);margin-bottom:8px}
.path-step p{font-size:15px;color:var(--muted)}
.path-step .step-label{font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--accent-deep);margin-bottom:8px}

/* ---------- 互链胶囊 ---------- */
.cat-links{display:flex;flex-wrap:wrap;gap:12px}
.cat-pill{
  display:inline-flex;align-items:center;height:42px;padding:0 20px;border-radius:999px;
  border:1px solid var(--line);background:var(--surface);font-size:15px;font-weight:600;color:var(--primary);transition:all var(--ease);
}
.cat-pill:hover{border-color:var(--primary);background:rgba(14,59,51,.06)}
.cat-pill.is-current{background:var(--primary);border-color:var(--primary);color:#fff}

/* ---------- FAQ ---------- */
.faq-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m);overflow:hidden}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-q{display:flex;align-items:center;gap:16px;min-height:56px;padding:15px 22px;cursor:pointer;list-style:none;font-size:16px;font-weight:600;color:var(--ink);transition:background var(--ease)}
.faq-q::-webkit-details-marker{display:none}
.faq-q:hover{background:rgba(14,59,51,.04)}
.faq-q .faq-num{font-size:13px;font-weight:700;color:var(--accent-deep);letter-spacing:.04em}
.faq-icon{position:relative;margin-left:auto;width:20px;height:20px;flex:0 0 auto}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--primary);border-radius:2px;transition:transform var(--ease)}
.faq-icon::before{left:0;top:9px;width:20px;height:2px}
.faq-icon::after{left:9px;top:0;width:2px;height:20px}
details[open] .faq-icon::after{transform:scaleY(0)}
.faq-a{padding:0 22px 20px 62px;background:var(--bg);font-size:15px;color:var(--muted);line-height:1.8;border-top:1px solid var(--line)}
details[open] .faq-a{padding-top:16px}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:linear-gradient(140deg,var(--primary) 0%,var(--primary-deep) 100%);
  border-radius:16px;padding:30px 32px;display:flex;align-items:center;justify-content:space-between;gap:28px;color:#fff;
}
.cta-band h2{font-size:22px;font-weight:700;letter-spacing:-.01em;color:#fff;padding:0}
.cta-band h2::before{display:none}
.cta-band p{margin-top:8px;font-size:15px;color:rgba(255,255,255,.78)}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex:0 0 auto}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--surface);border-top:1px solid var(--line);padding:64px 0 0;margin-top:8px}
.footer-grid{display:grid;grid-template-columns:6fr 2fr 2fr 2fr;gap:40px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{width:34px;height:34px}
.footer-desc{font-size:14px;color:var(--muted);max-width:420px}
.footer-social{display:flex;gap:16px;margin-top:18px}
.footer-social a{font-size:14px;font-weight:600;color:var(--primary);transition:all var(--ease)}
.footer-social a:hover{color:var(--accent);transform:translateX(2px)}
.footer-col h4{font-size:14px;font-weight:700;color:var(--primary);margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{font-size:14px;color:var(--muted);transition:all var(--ease);display:inline-block}
.footer-col ul a:hover{color:var(--primary);transform:translateX(-2px)}
.sub-form{display:flex;gap:8px;margin-bottom:12px}
.sub-form input{flex:1 1 auto;min-width:0;height:44px;padding:0 14px;border-radius:var(--radius-s);border:1px solid var(--line);background:var(--bg);font-size:14px;transition:all var(--ease)}
.sub-form input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(14,59,51,.12)}
.sub-form .btn{flex:0 0 auto}
.footer-note{font-size:13px;color:var(--muted)}
.footer-bottom{border-top:1px solid var(--line);padding:20px 0 28px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--muted)}
.footer-bottom a{color:var(--primary);font-weight:600}
.footer-bottom a:hover{color:var(--accent)}

/* ---------- 返回顶部 ---------- */
.back-top{
  position:fixed;right:24px;bottom:24px;width:46px;height:46px;border-radius:50%;
  background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:0 12px 26px -14px rgba(16,22,20,.6);opacity:0;visibility:hidden;transform:translateY(10px);
  transition:all var(--ease);z-index:70;
}
.back-top.is-on{opacity:1;visibility:visible;transform:translateY(0)}
.back-top:hover{background:var(--accent)}
.back-top svg{width:18px;height:18px;stroke:#fff;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .hotwords{display:none}
  .search-inline input{width:160px}
  .cat-hero-head h1{font-size:36px}
  .scene-grid{grid-template-columns:repeat(2,1fr)}
  .path-track{grid-template-columns:repeat(2,1fr);gap:0 24px}
  .footer-grid{grid-template-columns:6fr 3fr 3fr;gap:32px}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .hamburger{display:flex}
  .channel-row{display:none}
  .brand-row{height:60px;gap:12px}
  .brand-actions .btn-primary{display:none}
  .section{padding:56px 0}
  .section-title{font-size:24px}
  .cat-hero{padding:26px 0 0}
  .cat-hero-head h1{font-size:30px}
  .cat-hero-media{aspect-ratio:16/10}
  .cat-hero-media .media-mask{padding:18px 20px;gap:18px}
  .media-stat b{font-size:20px}
  .compact-grid{grid-template-columns:1fr;gap:20px}
  .scene-grid{grid-template-columns:1fr}
  .path-track{grid-template-columns:1fr;gap:0}
  .path-step{padding:22px 0 10px 0}
  .cta-band{flex-direction:column;align-items:flex-start;padding:26px 22px}
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .faq-a{padding-left:22px}
  .back-top{right:16px;bottom:16px}
}
@media (max-width:520px){
  .cat-hero-head h1{font-size:26px}
  .cat-hero-head .cat-lead{font-size:16px}
  .section-title{font-size:22px}
  .filter-chip{height:34px;padding:0 13px;font-size:13px}
  .compact-body h3{font-size:16px}
  .cta-band h2{font-size:19px}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:1ms !important;animation-duration:1ms !important}
  .compact-card:hover{transform:none}
}