/* roulang page: index */
:root{
  --pine:#1C3F3A;
  --pine-dark:#131F1D;
  --copper:#B5804F;
  --paper:#F6F3EC;
  --surface:#FFFDF8;
  --ink:#20241F;
  --muted:#5C5F58;
  --faint:#8B8E86;
  --line:rgba(28,63,58,0.14);
  --card-shadow:0 2px 8px rgba(18,32,28,0.04);
  --card-shadow-hover:0 18px 36px rgba(18,32,28,0.10);
  --cta-shadow:0 14px 24px rgba(28,63,58,0.16);
  --radius:12px;
  --radius-sm:4px;
  --font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;background:var(--paper);}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font-family);line-height:1.75;overflow-x:hidden;-webkit-font-smoothing:antialiased;}
body.page-home{padding-bottom:72px;}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,border-color .2s ease,opacity .2s ease,transform .2s ease,box-shadow .2s ease;}
ul,ol{list-style:none;margin:0;padding:0;}
button{font-family:inherit;border:0;background:none;color:inherit;cursor:pointer;}
:focus-visible{outline:2px solid var(--copper);outline-offset:3px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 48px;}
.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .6s cubic-bezier(.2,.7,.2,1),transform .6s cubic-bezier(.2,.7,.2,1);}
.js .reveal.is-visible{opacity:1;transform:none;}
.section{padding:110px 0;}
.section-head{margin-bottom:52px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.16em;color:var(--copper);text-transform:uppercase;}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--copper);}
.section-title{font-size:clamp(1.5rem,3vw,2.4rem);line-height:1.25;margin:12px 0 14px;color:var(--pine);font-weight:700;letter-spacing:-.01em;}
.section-desc{color:var(--muted);font-size:1rem;max-width:720px;}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;height:56px;padding:0 32px;border-radius:var(--radius-sm);font-size:15px;font-weight:600;letter-spacing:.02em;transition:all .25s cubic-bezier(.2,.7,.2,1);white-space:nowrap;}
.btn-primary{background:var(--pine);color:#fff;box-shadow:0 2px 10px rgba(28,63,58,.08);}
.btn-primary:hover{background:#152F2B;transform:translateY(-2px);box-shadow:var(--cta-shadow);color:#fff;}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-secondary{border:1px solid rgba(28,63,58,.26);color:var(--pine);background:transparent;}
.btn-secondary:hover{background:rgba(28,63,58,.08);color:var(--pine);transform:translateY(-2px);}
.btn-light{background:#fff;color:var(--pine);}
.btn-light:hover{background:#F6F3EC;color:var(--pine-dark);transform:translateY(-2px);box-shadow:0 14px 28px rgba(0,0,0,.18);}
.btn-outline-light{border:1px solid rgba(255,255,255,.55);color:#fff;background:transparent;}
.btn-outline-light:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff;transform:translateY(-2px);}
.btn-lg{height:64px;padding:0 40px;font-size:16px;}
.btn-sm{height:44px;padding:0 22px;font-size:14px;}

.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;height:80px;background:rgba(246,243,236,.88);-webkit-backdrop-filter:saturate(160%) blur(18px);backdrop-filter:saturate(160%) blur(18px);transition:height .25s cubic-bezier(.2,.7,.2,1),background .3s ease,box-shadow .3s ease,border-color .3s ease;border-bottom:1px solid transparent;}
.site-header.scrolled{height:64px;border-bottom-color:rgba(28,63,58,.08);}
.header-inner{display:flex;align-items:center;height:100%;gap:28px;justify-content:space-between;}
.brand{display:inline-flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-badge{position:relative;width:36px;height:36px;border-radius:8px 8px 4px 8px;background:var(--pine);box-shadow:inset -6px -6px 0 rgba(181,128,79,.7);overflow:hidden;transition:transform .3s ease;}
.brand:hover .brand-badge{transform:rotate(-3deg);}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-name{font-size:20px;font-weight:700;color:var(--pine);letter-spacing:.02em;}
.brand-sub{font-size:11px;font-weight:400;letter-spacing:.18em;color:var(--muted);}
.main-nav{margin-left:auto;}
.main-nav ul{display:flex;align-items:center;gap:6px;}
.main-nav a{position:relative;display:inline-flex;align-items:center;height:44px;padding:0 14px;font-size:15px;color:var(--ink);font-weight:500;border-radius:6px;}
.main-nav a:hover{color:var(--pine);background:rgba(28,63,58,.05);}
.main-nav a.active{color:var(--pine);font-weight:600;}
.main-nav a.active::after{content:"";position:absolute;left:14px;right:14px;bottom:5px;height:2px;border-radius:99px;background:var(--copper);}
.header-cta{margin-left:6px;}
.nav-toggle{display:none;width:46px;height:46px;align-items:center;justify-content:center;flex-direction:column;gap:5px;border-radius:8px;}
.nav-toggle span{display:block;width:23px;height:2px;background:var(--pine);border-radius:2px;}
.nav-toggle:hover span{background:var(--copper);}

.mobile-menu{position:fixed;inset:0;z-index:1200;background:#FFFDF8;visibility:hidden;opacity:0;transform:translateY(-8px);transition:opacity .35s ease,transform .35s ease,visibility .35s ease;}
.mobile-menu.is-open{visibility:visible;opacity:1;transform:translateY(0);}
.mobile-menu-header{display:flex;align-items:center;justify-content:space-between;height:80px;padding:0 28px;border-bottom:1px solid rgba(28,63,58,.08);}
.mobile-menu-body{padding:48px 32px 60px;overflow-y:auto;max-height:calc(100vh - 80px);}
.mobile-menu-brandline{font-size:15px;letter-spacing:.12em;color:var(--pine-dark);font-weight:600;margin-bottom:28px;padding-left:4px;}
.mobile-menu li a{display:flex;align-items:center;justify-content:space-between;min-height:56px;font-size:20px;font-weight:600;color:var(--pine-dark);border-bottom:1px solid rgba(28,63,58,.08);}
.mobile-menu li a span{font-size:14px;color:var(--copper);font-weight:400;}
.mobile-menu li a:hover{color:var(--copper);padding-left:6px;}
.mobile-menu-cta{margin-top:42px;display:flex;gap:14px;flex-wrap:wrap;}
.nav-close{width:46px;height:46px;display:inline-flex;align-items:center;justify-content:center;font-size:34px;font-weight:300;color:var(--pine);border-radius:8px;line-height:1;}
.nav-close:hover{background:rgba(28,63,58,.06);color:var(--copper);}

.hero{position:relative;min-height:100svh;display:flex;align-items:center;color:#fff;background:linear-gradient(115deg,rgba(19,31,29,.76) 0%,rgba(28,63,58,.48) 60%,rgba(19,31,29,.28) 100%),url('/assets/images/backpic/back-1.png') center/cover no-repeat;}
.hero::after{content:"";position:absolute;inset:auto 0 0 0;height:120px;background:linear-gradient(180deg,transparent,rgba(246,243,236,.8));pointer-events:none;}
.hero .container{position:relative;z-index:2;padding-top:150px;padding-bottom:150px;}
.hero-eyebrow{display:inline-flex;align-items:center;gap:12px;font-size:13px;letter-spacing:.22em;color:rgba(255,255,255,.78);margin-bottom:28px;font-weight:500;}
.hero-eyebrow::before{content:"";width:36px;height:1px;background:var(--copper);}
.hero h1{font-size:clamp(2.4rem,7vw,5.4rem);font-weight:700;line-height:1.05;letter-spacing:-.02em;color:#fff;margin:0 0 26px;text-shadow:0 8px 36px rgba(0,0,0,.18);max-width:860px;}
.hero-lead{font-size:clamp(1rem,1.4vw,1.2rem);line-height:1.8;color:rgba(246,243,236,.9);max-width:620px;margin:0 0 40px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;align-items:center;}
.hero-quick{display:flex;flex-wrap:wrap;gap:10px;margin-top:54px;padding-top:30px;border-top:1px solid rgba(255,255,255,.2);max-width:680px;}
.quick-link{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;font-size:14px;color:#fff;border:1px solid rgba(255,255,255,.45);border-radius:999px;background:rgba(19,31,29,.12);}
.quick-link:hover{background:rgba(255,255,255,.14);border-color:#fff;}

.features{background:var(--surface);padding:110px 0;}
.feature-list{display:grid;grid-template-columns:repeat(3,1fr);gap:0;}
.feature-item{padding:34px 44px 34px 32px;border-left:1px solid var(--line);}
.feature-item:first-child{padding-left:0;border-left:0;}
.feature-index{display:block;font-size:clamp(2.2rem,4vw,3.4rem);line-height:1;font-weight:700;color:rgba(181,128,79,.9);letter-spacing:-.03em;}
.feature-title{font-size:1.35rem;color:var(--pine);font-weight:700;margin:22px 0 12px;line-height:1.3;}
.feature-text{font-size:.97rem;color:var(--muted);margin:0 0 20px;}
.feature-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--pine);}
.feature-link::after{content:"→";transition:transform .25s ease;}
.feature-link:hover{color:var(--copper);}
.feature-link:hover::after{transform:translateX(4px);}

.showcase{background:var(--paper);padding:110px 0;}
.fig-row{display:grid;grid-template-columns:1.05fr .95fr;gap:72px;align-items:center;padding:44px 0;border-bottom:1px solid rgba(28,63,58,.1);}
.fig-row:last-child{border-bottom:0;}
.fig-media{position:relative;}
.fig-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius);box-shadow:0 18px 42px rgba(18,32,28,.14);}
.fig-media::after{content:"";position:absolute;inset:18px -18px -18px 18px;border:1px solid var(--copper);border-radius:var(--radius);opacity:.6;pointer-events:none;}
.fig-caption{font-size:13px;color:var(--faint);margin-top:16px;padding-left:16px;border-left:2px solid var(--copper);}
.fig-content h3{font-size:clamp(1.45rem,2vw,2rem);line-height:1.3;margin:14px 0 20px;color:var(--pine);font-weight:700;}
.fig-content p{font-size:1rem;color:var(--muted);margin:0 0 28px;max-width:42ch;}

.trust{background:linear-gradient(140deg,var(--pine-dark),var(--pine));color:var(--paper);padding:110px 0;}
.trust .section-title{color:#fff;}
.trust .section-desc{color:rgba(246,243,236,.72);}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;margin:56px 0 52px;}
.stat-num{font-size:clamp(2.4rem,4.5vw,4rem);font-weight:700;line-height:1.1;color:#fff;letter-spacing:-.02em;}
.stat-num small{font-size:.45em;font-weight:500;color:rgba(246,243,236,.7);margin-left:6px;letter-spacing:0;}
.stat-label{margin-top:14px;font-size:14px;letter-spacing:.06em;color:rgba(246,243,236,.68);}
.trust-notes{border-top:1px solid rgba(255,255,255,.14);padding-top:28px;display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.trust-note{font-size:15px;line-height:1.8;color:rgba(246,243,236,.85);padding-left:20px;border-left:2px solid var(--copper);}
.trust-note span{display:block;margin-top:8px;font-size:13px;color:rgba(246,243,236,.5);}

.news{background:var(--surface);padding:110px 0;}
.news-top{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;margin-bottom:38px;}
.news-top .section-head{margin-bottom:0;}
.news-link{font-size:14px;font-weight:600;color:var(--pine);display:inline-flex;align-items:center;gap:6px;white-space:nowrap;}
.news-link::after{content:"→";transition:transform .25s ease;}
.news-link:hover{color:var(--copper);}
.news-link:hover::after{transform:translateX(4px);}
.news-list{border-top:1px solid var(--line);}
.news-row{display:grid;grid-template-columns:150px 170px minmax(0,1fr) 44px;gap:22px;align-items:center;padding:28px 6px 28px 0;border-bottom:1px solid var(--line);transition:background .25s ease;border-radius:8px;}
.news-row:hover{background:rgba(28,63,58,.03);}
.news-date{font-size:14px;color:var(--faint);font-variant-numeric:tabular-nums;}
.news-cat{display:inline-flex;align-items:center;justify-content:center;width:max-content;min-height:30px;padding:0 16px;background:rgba(28,63,58,.07);color:var(--pine);font-size:13px;border-radius:999px;line-height:30px;}
.news-main{min-width:0;}
.news-title{display:block;font-size:1.06rem;line-height:1.6;font-weight:600;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:color .2s;}
.news-row:hover .news-title{color:var(--pine);}
.news-excerpt{font-size:.92rem;color:var(--muted);margin:7px 0 0;line-height:1.65;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-arrow{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border:1px solid var(--line);border-radius:50%;color:var(--pine);font-size:18px;transition:background .25s ease,color .25s ease,border-color .25s ease,transform .25s ease;}
.news-row:hover .news-arrow{background:var(--pine);border-color:var(--pine);color:#fff;transform:translateX(3px);}
.news-empty{display:flex;align-items:center;justify-content:center;min-height:220px;border:1px dashed rgba(28,63,58,.3);background:rgba(246,243,236,.45);border-radius:var(--radius);color:var(--faint);font-size:15px;margin-top:24px;}

.faq{background:var(--paper);padding:110px 0;}
.faq-wrap{max-width:880px;margin:0 auto;}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:20px;width:100%;padding:28px 4px;font-size:1.14rem;font-weight:600;color:var(--ink);text-align:left;line-height:1.5;}
.faq-q:hover{color:var(--pine);}
.faq-icon{position:relative;width:24px;height:24px;flex-shrink:0;border-radius:50%;border:1px solid var(--copper);transition:transform .3s ease,background .3s ease;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;top:50%;left:50%;width:12px;height:1.5px;background:var(--copper);transform:translate(-50%,-50%);}
.faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);}
.faq-item.is-open .faq-icon{background:var(--copper);}
.faq-item.is-open .faq-icon::before,.faq-item.is-open .faq-icon::after{background:#fff;}
.faq-item.is-open .faq-icon{transform:rotate(135deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease,padding .3s ease;}
.faq-a p{padding:0 40px 30px 4px;margin:0;color:var(--muted);font-size:1rem;line-height:1.9;}
.faq-item.is-open .faq-a{max-height:500px;}

.cta-section{position:relative;background:linear-gradient(120deg,rgba(19,31,29,.92),rgba(28,63,58,.84)),url('/assets/images/backpic/back-2.webp') center/cover;background-attachment:fixed;color:#fff;text-align:center;padding:110px 0;}
.cta-card .section-title{color:#fff;margin-bottom:18px;}
.cta-card .section-desc{color:rgba(246,243,236,.78);margin:0 auto 36px;max-width:620px;}
.cta-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:16px;}

.site-footer{background:var(--pine-dark);color:rgba(246,243,236,.72);padding:76px 0 34px;}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:52px;padding-bottom:46px;border-bottom:1px solid rgba(255,255,255,.08);}
.footer-brand .brand-name{color:#fff;font-size:24px;}
.footer-brand .brand-sub{color:rgba(246,243,236,.45);}
.footer-desc{font-size:14px;line-height:1.85;margin-top:22px;max-width:38ch;color:rgba(246,243,236,.62);}
.footer-title{font-size:14px;font-weight:600;letter-spacing:.12em;color:#fff;margin-bottom:20px;}
.footer-col a{display:block;font-size:14px;padding:7px 0;color:rgba(246,243,236,.68);}
.footer-col a:hover{color:var(--copper);padding-left:4px;}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;padding-top:28px;font-size:13px;color:rgba(246,243,236,.4);}

.sticky-cta{position:fixed;left:0;right:0;bottom:0;z-index:900;height:72px;background:rgba(19,31,29,.94);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);color:#fff;border-top:1px solid rgba(255,255,255,.12);display:flex;align-items:center;}
.sticky-cta .container{display:flex;align-items:center;justify-content:space-between;gap:20px;}
.sticky-title{display:flex;align-items:center;gap:12px;font-size:16px;font-weight:600;color:#fff;min-width:0;}
.sticky-title::before{content:"";width:5px;height:22px;background:var(--copper);border-radius:3px;flex-shrink:0;}
.sticky-title span{font-weight:400;color:rgba(246,243,236,.62);font-size:14px;margin-left:8px;}
.sticky-actions{display:flex;gap:12px;align-items:center;}
.sticky-actions .btn{height:44px;padding:0 24px;border-radius:4px;font-size:14px;}

@media (max-width: 1199px){
  .container{padding:0 32px;}
  .fig-row{gap:46px;}
  .news-row{grid-template-columns:118px 150px minmax(0,1fr) 40px;gap:16px;}
  .footer-top{grid-template-columns:1.2fr 1fr 1fr;gap:36px;}
  .footer-col:last-child{grid-column:1/-1;}
}
@media (max-width: 991px){
  .main-nav,.header-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-inner{gap:12px;}
  .site-header{height:64px;}
  .site-header.scrolled{height:58px;}
  .hero .container{padding-top:120px;padding-bottom:120px;}
  .footer-top{grid-template-columns:1fr 1fr;}
  .footer-col:last-child{grid-column:auto;}
  .footer-brand{grid-column:1/-1;}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:36px 24px;}
  .trust-notes{grid-template-columns:1fr;}
  .feature-list{grid-template-columns:1fr;}
  .feature-item{border-left:0;padding:26px 0;border-bottom:1px solid var(--line);}
  .feature-item:last-child{border-bottom:0;}
  .fig-row{grid-template-columns:1fr;gap:36px;}
  .fig-content p{max-width:none;}
  .news-row{grid-template-columns:110px 1fr 40px;padding:22px 0;}
  .news-cat{display:none;}
  .news-excerpt{display:none;}
  .news-title{white-space:normal;}
}
@media (max-width: 767px){
  body.page-home{padding-bottom:62px;}
  .section{padding:64px 0;}
  .container{padding:0 20px;}
  .hero h1{letter-spacing:-.015em;}
  .hero-actions .btn,.sticky-actions .btn{width:100%;justify-content:center;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-quick{flex-direction:column;}
  .hero-quick .quick-link{justify-content:center;}
  .trust{padding:64px 0;}
  .stat-grid{grid-template-columns:1fr 1fr;}
  .cta-section{padding:64px 0;}
  .cta-actions{flex-direction:column;align-items:stretch;}
  .cta-actions .btn{width:100%;}
  .footer-top{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .news-top{flex-direction:column;align-items:flex-start;gap:14px;}
  .news-row{grid-template-columns:1fr auto;gap:8px 12px;align-items:start;}
  .news-date{grid-column:1/1;font-size:13px;}
  .news-main{grid-column:1/3;grid-row:2;}
  .news-arrow{grid-column:2/3;grid-row:1;}
  .news-excerpt{display:-webkit-box;}
  .sticky-cta{height:auto;min-height:62px;padding:10px 0;}
  .sticky-cta .container{flex-direction:column;align-items:stretch;}
  .sticky-actions{flex-direction:column;width:100%;}
  .sticky-title{justify-content:center;text-align:center;font-size:14px;}
  .sticky-title span{display:block;margin-left:0;margin-top:2px;}
}
@media (max-width: 519px){
  .container{padding:0 18px;}
  .stat-grid{grid-template-columns:1fr;gap:26px;}
  .hero-actions .btn,.sticky-actions .btn{height:52px;}
  .mobile-menu-body{padding:34px 20px 44px;}
  .mobile-menu li a{font-size:18px;min-height:52px;}
}

/* roulang page: article */
:root{
  --primary:#1C3F3A;
  --primary-dark:#131F1D;
  --accent:#B5804F;
  --bg:#F6F3EC;
  --surface:#FFFDF8;
  --text:#20241F;
  --muted:#5C5F58;
  --faint:#8B8E86;
  --border:rgba(28,63,58,.14);
  --radius:12px;
  --radius-sm:4px;
  --shadow-1:0 2px 8px rgba(18,32,28,.04);
  --shadow-2:0 18px 36px rgba(18,32,28,.10);
  --font:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",system-ui,sans-serif;
  --header-h:80px;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
  padding-top:var(--header-h);
  -webkit-font-smoothing:antialiased;
  color-scheme:light;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul,ol{list-style:none}
button{font:inherit;border:none;background:none;cursor:pointer}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 48px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  height:56px;padding:0 34px;border-radius:var(--radius-sm);
  background:var(--primary);color:#fff;font-weight:600;
  gap:8px;font-size:15px;border:1px solid transparent;
  transition:background .35s var(--ease),box-shadow .35s var(--ease),transform .35s var(--ease),color .35s var(--ease),border-color .35s var(--ease);
  white-space:nowrap;
}
.btn:hover{background:#15302B;transform:translateY(-2px);box-shadow:0 14px 24px rgba(28,63,58,.16);color:#fff}
.btn:active{transform:translateY(0)}
.btn-ghost{
  background:transparent;color:var(--primary);border-color:rgba(28,63,58,.42);
}
.btn-ghost:hover{background:rgba(28,63,58,.08);color:var(--primary);box-shadow:none;border-color:var(--primary)}
.btn-sm{height:42px;padding:0 20px;border-radius:var(--radius-sm);font-size:14px}
.btn-lg{height:64px;padding:0 42px;font-size:16px}
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  height:var(--header-h);
  background:rgba(246,243,236,.88);
  backdrop-filter:saturate(160%) blur(18px);
  -webkit-backdrop-filter:saturate(160%) blur(18px);
  border-bottom:1px solid transparent;
  transition:height .3s var(--ease),background .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.site-header.scrolled{
  height:64px;
  border-bottom-color:rgba(28,63,58,.08);
  background:rgba(246,243,236,.96);
  box-shadow:0 6px 22px rgba(18,32,28,.04);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;height:100%;position:relative}
.brand{display:flex;align-items:center;gap:12px;color:var(--primary)}
.brand-badge{
  width:38px;height:38px;border-radius:11px 4px 11px 4px;
  background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:17px;position:relative;flex:none;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.14);
}
.brand-badge::after{content:"南";color:#fff;font-family:var(--font)}
.brand-text{display:flex;align-items:baseline;gap:9px;min-width:0}
.brand-name{font-size:22px;font-weight:700;letter-spacing:.04em;display:block;line-height:1.1;color:var(--primary)}
.brand-sub{font-size:11px;letter-spacing:.18em;color:var(--muted);display:none}
.main-nav{display:flex;align-items:center}
.main-nav ul{display:flex;align-items:center;gap:6px}
.main-nav a{
  display:block;padding:10px 8px;margin:0 4px;font-size:15px;color:#535851;font-weight:500;
  position:relative;transition:color .3s var(--ease);
}
.main-nav a:hover{color:var(--primary)}
.main-nav a.active{color:var(--primary)}
.main-nav a.active::after{
  content:"";position:absolute;left:50%;bottom:4px;width:18px;height:2px;
  background:var(--accent);transform:translateX(-50%);border-radius:99px;
}
.mobile-nav-brand{display:none}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  flex-direction:column;align-items:center;justify-content:center;gap:6px;
  background:transparent;
}
.nav-toggle span{width:23px;height:2px;background:var(--primary);border-radius:99px;transition:transform .35s var(--ease),opacity .25s var(--ease)}
.site-header.nav-open .nav-toggle span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.site-header.nav-open .nav-toggle span:nth-child(2){opacity:0}
.site-header.nav-open .nav-toggle span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}
.article-page{min-height:70vh}
.article-hero{
  position:relative;
  color:#F6F3EC;
  padding:clamp(120px,10vw,170px) 0 130px;
  background:
    linear-gradient(105deg,rgba(19,31,29,.92) 0%,rgba(19,31,29,.74) 54%,rgba(28,63,58,.56) 100%),
    url('/assets/images/backpic/back-1.png') center 30%/cover no-repeat;
}
.article-hero__inner{max-width:1010px}
.cms-breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:rgba(246,243,236,.72);margin-bottom:30px;letter-spacing:.03em;
}
.cms-breadcrumb a{transition:color .25s}
.cms-breadcrumb a:hover{color:#fff}
.cms-breadcrumb .crumb-sep{opacity:.45}
.cms-breadcrumb .crumb-now{
  max-width:45vw;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;
}
.article-hero h1{
  font-size:clamp(2rem,4.4vw,3.3rem);
  line-height:1.18;letter-spacing:-.02em;font-weight:700;max-width:950px;
  text-wrap:balance;color:#fff;
}
.article-eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;letter-spacing:.16em;color:rgba(181,128,79,.96);
  text-transform:uppercase;margin-bottom:22px;font-weight:600;
}
.article-eyebrow::before{content:"";width:26px;height:1px;background:var(--accent)}
.article-meta{
  display:flex;flex-wrap:wrap;gap:14px 28px;margin-top:28px;
  color:rgba(246,243,236,.78);font-size:14px;align-items:center;
}
.article-meta span{
  display:inline-flex;align-items:center;gap:8px;
}
.article-meta .meta-chip{
  padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.09);
  border:1px solid rgba(255,255,255,.12);
  color:rgba(246,243,236,.9);
}
.article-meta time{color:rgba(246,243,236,.9)}
.article-layer{padding:0 0 92px;position:relative;z-index:3}
.article-shell{
  max-width:980px;margin:-46px auto 0;
}
.article-card{
  background:var(--surface);
  border:1px solid rgba(28,63,58,.08);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:0 26px 70px rgba(18,32,28,.12);
}
.article-cover{
  width:100%;height:280px;object-fit:cover;display:block;
  background:linear-gradient(120deg,#DCE4DB,#EDE9E0);
}
.article-cover img{width:100%;height:100%;object-fit:cover}
.article-body{
  padding:clamp(34px,6.5vw,72px) clamp(24px,7vw,78px);
}
.article-body p{
  margin-bottom:1.8em;font-size:1.07rem;line-height:1.92;color:#303831;
}
.article-body h2,
.article-body h3,
.article-body h4{
  color:var(--primary);font-weight:700;line-height:1.3;margin:2em 0 .85em;
}
.article-body h2{font-size:1.55rem;margin-top:2.2em}
.article-body h3{font-size:1.25rem}
.article-body h4{font-size:1.08rem}
.article-body a{color:var(--primary);border-bottom:1px solid rgba(28,63,58,.35);transition:border-color .25s,color .25s}
.article-body a:hover{color:var(--accent);border-bottom-color:var(--accent)}
.article-body ul,
.article-body ol{margin:1.5em 0 1.9em;padding-left:1.4em}
.article-body ul li{list-style:square;color:#303831;margin-bottom:.65em;line-height:1.8}
.article-body ol li{list-style:decimal;margin-bottom:.65em;line-height:1.8}
.article-body blockquote{
  border-left:3px solid var(--accent);
  background:rgba(181,128,79,.08);
  padding:20px 26px;border-radius:2px 10px 10px 2px;
  margin:2em 0;color:#4a544a;font-size:1.03rem;
}
.article-body blockquote p{margin-bottom:.4em}
.article-body img{
  border-radius:12px;margin:2.2em auto;max-width:100%;height:auto;
  box-shadow:var(--shadow-1);
}
.article-body figure{border-radius:12px;margin:2em auto;overflow:hidden}
.article-body figcaption{font-size:13px;color:var(--faint);padding:10px 4px 4px}
.article-body table{
  width:100%;border-collapse:collapse;margin:2.3em 0;font-size:.95rem;
  background:#fff;border-radius:8px;overflow:hidden;
}
.article-body th,
.article-body td{
  border:1px solid rgba(28,63,58,.12);
  padding:12px 14px;text-align:left;vertical-align:top;
}
.article-body th{background:rgba(28,63,58,.06);font-weight:600}
.article-body pre,.article-body code{
  font-family:"SFMono-Regular",Consolas,"Menlo",monospace;
}
.article-body pre{
  background:#111C1A;color:#EDECE4;padding:24px;border-radius:12px;overflow-x:auto;line-height:1.7;margin:1.8em 0;
}
.article-body code{
  background:rgba(28,63,58,.08);color:#1C3F3A;padding:.22em .5em;border-radius:4px;font-size:.9rem;
}
.article-body pre code{background:transparent;color:inherit;padding:0}
.article-keywords{
  display:flex;flex-wrap:wrap;gap:8px;
  padding-top:26px;border-top:1px solid rgba(28,63,58,.1);
  margin-top:34px;align-items:center;
}
.article-keywords .kw-label{font-size:13px;color:var(--muted);padding-right:6px;letter-spacing:.08em}
.article-keywords span.kw{
  padding:6px 13px;background:rgba(28,63,58,.07);
  border-radius:999px;font-size:13px;color:var(--primary);
  transition:background .25s,color .25s;
}
.article-keywords span.kw:hover{background:rgba(28,63,58,.13)}
.article-actions{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  max-width:980px;margin:36px auto 0;
}
.article-cta-band{
  background:
    linear-gradient(110deg,rgba(19,31,29,.92),rgba(19,31,29,.74)),
    url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  padding:92px 0;margin-top:70px;color:#EDECE4;text-align:center;
}
.article-cta-band h2{color:#fff;font-size:clamp(1.6rem,3vw,2.5rem);font-weight:700;letter-spacing:-.02em}
.article-cta-band p{margin:18px auto 32px;color:rgba(246,243,236,.75);max-width:560px;font-size:1.04rem}
.article-cta-band .cta-buttons{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.notfound-page{
  position:relative;min-height:50vh;padding:110px 0 140px;
  background:
    linear-gradient(135deg,rgba(19,31,29,.88) 0%,rgba(28,63,58,.78) 100%),
    url('/assets/images/backpic/back-2.webp') center 25%/cover no-repeat;
  color:#F6F3EC;
}
.notfound-wrap{
  max-width:650px;margin:0 auto;text-align:center;background:rgba(255,253,248,.06);
  border:1px solid rgba(255,255,255,.14);border-radius:18px;
  padding:clamp(38px,7vw,74px);
  backdrop-filter:blur(6px);
}
.notfound-icon{
  width:68px;height:68px;margin:0 auto 25px;
  border:1px solid rgba(181,128,79,.6);border-radius:50%;
  display:flex;align-items:center;justify-content:center;font-size:28px;color:var(--accent);
}
.notfound-wrap h1{color:#fff;font-size:2.4rem;margin-bottom:16px;font-weight:700}
.notfound-wrap p{color:rgba(246,243,236,.72);font-size:1.03rem;margin-bottom:30px}
.related-section{padding:100px 0 90px;background:var(--bg)}
.section-heading{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:28px;margin-bottom:42px;
}
.section-heading h2{
  font-size:clamp(1.5rem,3vw,2.3rem);color:var(--primary);
  font-weight:700;letter-spacing:-.02em;
}
.section-heading .section-sub{color:var(--muted);font-size:14px;margin-top:10px;letter-spacing:.04em}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.related-card{
  background:var(--surface);border:1px solid rgba(28,63,58,.08);
  border-radius:14px;overflow:hidden;box-shadow:var(--shadow-1);
  display:flex;flex-direction:column;
  transition:transform .45s var(--ease),box-shadow .45s var(--ease),border-color .3s;
}
.related-card:hover{
  transform:translateY(-6px);box-shadow:var(--shadow-2);border-color:rgba(28,63,58,.16);
}
.related-card .related-image{height:188px;overflow:hidden;background:#EAE6DC}
.related-card .related-image img{width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease)}
.related-card:hover .related-image img{transform:scale(1.04)}
.related-body{padding:27px 26px 30px;flex:1;display:flex;flex-direction:column}
.related-body .rc-label{
  font-size:12px;color:var(--accent);letter-spacing:.1em;font-weight:600;margin-bottom:12px;
}
.related-body h3{font-size:1.28rem;color:var(--text);font-weight:700;margin-bottom:11px;line-height:1.4}
.related-body p{font-size:.93rem;line-height:1.8;color:var(--muted);flex:1}
.related-body .rc-link{
  display:inline-flex;align-items:center;gap:8px;margin-top:22px;
  color:var(--primary);font-weight:600;font-size:.95rem;
  transition:gap .3s,color .3s;
}
.related-body .rc-link:hover{color:var(--accent);gap:14px}
.rc-arrow{font-size:18px;line-height:1}
.site-footer{
  background:var(--primary-dark);
  color:rgba(246,243,236,.72);
  padding:90px 0 0;
  font-size:14px;
}
.footer-top{
  display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;padding-bottom:60px;
}
.footer-bottom{
  border-top:1px solid rgba(246,243,236,.1);
  padding-top:24px;padding-bottom:26px;
  font-size:12px;color:rgba(246,243,236,.45);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 24px;
}
.footer-bottom .copyright{color:rgba(246,243,236,.7);letter-spacing:.06em}
.footer-brand .brand-name{color:#fff;font-size:24px;font-weight:700;letter-spacing:.03em}
.footer-brand .brand-sub{color:rgba(246,243,236,.42);font-size:12px;letter-spacing:.16em;margin-top:5px}
.footer-desc{font-size:13px;color:rgba(246,243,236,.6);max-width:330px;line-height:1.9;margin-top:27px}
.footer-col{min-width:0}
.footer-col .footer-title{
  font-size:14px;color:#fff;font-weight:700;letter-spacing:.1em;
  margin-bottom:23px;position:relative;padding-left:18px;
}
.footer-col .footer-title::before{
  content:"";position:absolute;left:0;top:.5em;bottom:.5em;width:2px;background:var(--accent);border-radius:99px;
}
.footer-col a{
  display:block;font-size:14px;color:rgba(246,243,236,.64);
  padding:7px 0;transition:color .3s,transform .3s var(--ease);
}
.footer-col a:hover{color:#fff;transform:translateX(4px)}
@media(max-width:1199px){
  .container{padding:0 36px}
  .related-grid{grid-template-columns:repeat(3,1fr);gap:20px}
}
@media(max-width:991px){
  body{padding-top:64px}
  .site-header,.site-header.scrolled{height:64px}
  .header-inner{gap:20px}
  .brand-name{font-size:19px}
  .brand-badge{width:34px;height:34px;font-size:15px}
  .header-cta{display:none}
  .nav-toggle{display:flex}
  .main-nav{
    position:fixed;top:64px;right:0;bottom:0;
    width:min(86%,430px);max-width:100%;
    background:var(--surface);box-shadow:-18px 0 34px rgba(18,32,28,.14);
    transform:translateX(102%);transition:transform .45s var(--ease);
    display:flex;flex-direction:column;align-items:stretch;
    padding:38px 24px 40px;overflow-y:auto;z-index:99;
    border-left:1px solid rgba(28,63,58,.08);
  }
  .site-header.nav-open .main-nav{transform:none}
  .mobile-nav-brand{
    display:block;font-size:16px;color:var(--primary);font-weight:700;
    letter-spacing:.06em;padding:6px 12px 22px;border-bottom:1px solid rgba(28,63,58,.1);
    margin-bottom:18px;
  }
  .main-nav ul{flex-direction:column;align-items:stretch;gap:6px}
  .main-nav a{padding:18px 12px;font-size:18px;border-radius:4px;margin:0}
  .main-nav a:hover{background:rgba(28,63,58,.06)}
  .main-nav a.active{background:rgba(181,128,79,.08);color:var(--primary)}
  .main-nav a.active::after{display:none}
  .article-cover{height:230px}
  .site-footer{padding-top:64px}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px 34px;padding-bottom:36px}
}
@media(max-width:767px){
  .container{padding:0 20px}
  .article-hero h1{font-size:clamp(1.65rem,6vw,2.2rem)}
  .article-hero{padding:96px 0 110px}
  .article-shell{margin-top:-36px}
  .article-body{padding:34px 24px}
  .article-body p{font-size:1.02rem;line-height:1.88}
  .article-actions .btn{width:100%}
  .related-grid{grid-template-columns:1fr;gap:18px}
  .section-heading{flex-direction:column;align-items:flex-start;gap:10px}
  .section-heading h2{font-size:1.65rem}
  .article-meta{gap:12px}
  .footer-top{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start;padding-bottom:24px;line-height:1.5}
}

/* roulang page: category1 */
:root {
  --clr-primary: #1C3F3A;
  --clr-primary-dark: #131F1D;
  --clr-accent: #B5804F;
  --clr-bg: #F6F3EC;
  --clr-surface: #FFFDF8;
  --clr-text: #20241F;
  --clr-muted: #5C5F58;
  --clr-faint: #8B8E86;
  --clr-line: rgba(28, 63, 58, 0.14);
  --clr-white: #ffffff;
  --radius-card: 12px;
  --radius-btn: 4px;
  --radius-pill: 999px;
  --shadow-card: 0 2px 8px rgba(18, 32, 28, 0.04);
  --shadow-hover: 0 18px 36px rgba(18, 32, 28, 0.10);
  --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system, sans-serif;
}

html {
  scroll-behavior: smooth;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background: var(--clr-bg);
  color: var(--clr-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

ul,
ol {
  list-style: none;
}

button,
input {
  font: inherit;
  border: none;
  background: none;
}

button {
  cursor: pointer;
}

h1,
h2,
h3,
h4,
p {
  margin: 0;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--clr-accent);
  outline-offset: 2px;
  border-radius: 4px;
}

.container {
  width: min(1200px, calc(100% - 96px));
  margin-inline: auto;
}

.section-head {
  max-width: 880px;
  margin-bottom: 56px;
}

.section-head h2 {
  font-size: clamp(1.75rem, 3vw, 2.4rem);
  line-height: 1.2;
  color: var(--clr-primary-dark);
  margin: 14px 0 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.section-head p {
  color: var(--clr-muted);
  font-size: 1.03rem;
  max-width: 700px;
  line-height: 1.9;
}

.eyebrow {
  color: var(--clr-accent);
  font-size: 12px;
  letter-spacing: 0.24em;
  font-weight: 600;
  text-transform: uppercase;
}

.page-section {
  padding: 110px 0;
}

#industry-list,
#showcase,
#category-links,
#faq,
#cta-block {
  scroll-margin-top: 110px;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(246, 243, 236, 0.88);
  -webkit-backdrop-filter: saturate(160%) blur(18px);
  backdrop-filter: saturate(160%) blur(18px);
  transition: background 0.25s ease, box-shadow 0.25s ease;
}

.header-inner {
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  transition: height 0.25s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.site-header.scrolled {
  background: rgba(255, 253, 248, 0.95);
  box-shadow: 0 1px 0 rgba(28, 63, 58, 0.08);
}

.site-header.scrolled .header-inner {
  height: 64px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.brand-badge {
  width: 38px;
  height: 38px;
  background: var(--clr-primary);
  border-radius: 6px;
  position: relative;
  flex: none;
}

.brand-badge::after {
  content: "";
  position: absolute;
  inset: 6px;
  border: 2px solid rgba(246, 243, 236, 0.92);
  border-radius: 3px;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}

.brand-name {
  color: var(--clr-primary-dark);
  font-size: 1.32rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.brand-sub {
  color: var(--clr-muted);
  font-size: 12px;
  letter-spacing: 0.18em;
}

.main-nav {
  display: flex;
  align-items: center;
}

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 36px;
}

.main-nav a {
  position: relative;
  display: block;
  padding: 8px 0;
  color: var(--clr-text);
  font-size: 15px;
  font-weight: 500;
  transition: color 0.2s ease;
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--clr-accent);
  transition: width 0.25s ease;
}

.main-nav a:hover {
  color: var(--clr-primary);
}

.main-nav a.active {
  color: var(--clr-primary);
}

.main-nav a.active::after,
.main-nav a:hover::after {
  width: 100%;
}

.header-cta {
  flex: none;
}

.mobile-panel-brand {
  display: none;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 56px;
  padding: 0 32px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.btn-sm {
  height: 40px;
  padding: 0 20px;
  font-size: 14px;
}

.btn-lg {
  height: 64px;
  padding: 0 38px;
  font-size: 16px;
}

.btn-primary {
  background: var(--clr-primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--clr-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 14px 24px rgba(28, 63, 58, 0.16);
}

.btn-ghost {
  background: transparent;
  border: 1px solid rgba(246, 243, 236, 0.55);
  color: #fff;
}

.btn-ghost:hover {
  background: rgba(246, 243, 236, 0.15);
  transform: translateY(-2px);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 8px;
  position: relative;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 6px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--clr-primary-dark);
  transition: transform 0.25s ease, opacity 0.2s ease;
}

.nav-toggle.is-open span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.nav-toggle.is-open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-open span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.page-hero {
  position: relative;
  background: linear-gradient(115deg, rgba(19, 31, 29, 0.88), rgba(28, 63, 58, 0.72)), url('/assets/images/backpic/back-2.webp') no-repeat center center / cover;
  color: #fff;
  padding: 180px 0 90px;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  color: rgba(246, 243, 236, 0.7);
  font-size: 13px;
}

.breadcrumb a {
  transition: color 0.2s ease;
}

.breadcrumb a:hover {
  color: #fff;
}

.breadcrumb span {
  color: rgba(246, 243, 236, 0.38);
}

.hero-eyebrow {
  margin-top: 44px;
  color: #DEBE95;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.2em;
}

.page-hero h1 {
  font-size: clamp(2rem, 4.5vw, 3.4rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: #fff;
  font-weight: 700;
  margin: 16px 0 22px;
}

.hero-lead {
  max-width: 640px;
  color: rgba(246, 243, 236, 0.84);
  font-size: 1.06rem;
  line-height: 1.9;
  margin-bottom: 34px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.industry-overview {
  background: var(--clr-bg);
}

.industry-list {
  border-top: 1px solid var(--clr-line);
}

.industry-item {
  display: grid;
  grid-template-columns: 110px 1.1fr 1.5fr;
  gap: 32px;
  padding: 42px 0;
  border-bottom: 1px solid var(--clr-line);
  align-items: start;
}

.industry-no {
  color: var(--clr-accent);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.16em;
  padding-top: 8px;
}

.industry-item h3 {
  color: var(--clr-primary-dark);
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.3;
  padding-top: 4px;
}

.industry-desc {
  color: var(--clr-muted);
  font-size: 1rem;
  line-height: 1.95;
}

.stats-band {
  background: var(--clr-primary-dark);
  padding: 78px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  text-align: center;
}

.stat-card {
  padding: 8px 12px;
}

.stat-num {
  display: block;
  font-size: clamp(3rem, 6vw, 4.6rem);
  line-height: 1;
  font-weight: 700;
  color: #fff;
}

.stat-label {
  display: block;
  margin-top: 14px;
  color: rgba(246, 243, 236, 0.6);
  letter-spacing: 0.16em;
  font-size: 0.95rem;
}

.stats-note {
  text-align: center;
  color: rgba(246, 243, 236, 0.36);
  font-size: 0.88rem;
  line-height: 1.8;
  margin-top: 52px;
}

.showcase {
  background: var(--clr-surface);
}

.showcase-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}

.showcase-media {
  position: relative;
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.showcase-media img {
  width: 100%;
  height: 460px;
  object-fit: cover;
}

.media-note {
  position: absolute;
  left: 18px;
  bottom: 18px;
  background: rgba(19, 31, 29, 0.76);
  color: rgba(246, 243, 236, 0.92);
  font-size: 12px;
  letter-spacing: 0.12em;
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  backdrop-filter: blur(6px);
}

.showcase-content h2 {
  color: var(--clr-primary-dark);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  line-height: 1.25;
  margin: 14px 0 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.showcase-content > p {
  color: var(--clr-muted);
  font-size: 1.03rem;
  line-height: 1.95;
  margin-bottom: 28px;
}

.check-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.check-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  color: var(--clr-text);
}

.check-list li::before {
  content: "✓";
  flex: none;
  width: 22px;
  height: 22px;
  border: 1px solid var(--clr-accent);
  color: var(--clr-accent);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  margin-top: 4px;
}

.route-section {
  background: var(--clr-bg);
}

.route-list {
  display: grid;
  gap: 16px;
  max-width: 980px;
}

.route-link {
  display: grid;
  grid-template-columns: 64px 1fr 44px;
  align-items: center;
  gap: 24px;
  background: var(--clr-surface);
  border: 1px solid var(--clr-line);
  border-radius: var(--radius-card);
  padding: 26px 34px;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.route-link:hover {
  transform: translateY(-3px);
  border-color: rgba(181, 128, 79, 0.45);
  box-shadow: var(--shadow-hover);
}

.route-index {
  color: var(--clr-accent);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.16em;
}

.route-main strong {
  display: block;
  color: var(--clr-primary-dark);
  font-size: 1.2rem;
  font-weight: 700;
}

.route-main small {
  display: block;
  color: var(--clr-muted);
  line-height: 1.8;
  margin-top: 6px;
}

.route-arrow {
  justify-self: end;
  color: var(--clr-primary);
  font-size: 1.4rem;
  transition: transform 0.25s ease;
}

.route-link:hover .route-arrow {
  transform: translateX(4px);
}

.route-back {
  margin-top: 20px;
}

.faq-section {
  background: var(--clr-surface);
}

.faq-wrap {
  max-width: 880px;
  margin: 0 auto;
}

.faq-item {
  background: var(--clr-surface);
  border: 1px solid var(--clr-line);
  border-radius: var(--radius-card);
  margin-bottom: 16px;
  transition: border-color 0.25s ease;
}

.faq-item.open {
  border-color: rgba(181, 128, 79, 0.45);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  text-align: left;
  padding: 22px 28px;
  color: var(--clr-primary-dark);
  font-size: 1.08rem;
  font-weight: 600;
  line-height: 1.5;
}

.faq-question:hover {
  color: var(--clr-primary);
}

.faq-icon {
  position: relative;
  flex: none;
  width: 18px;
  height: 18px;
}

.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--clr-primary);
  transform: translate(-50%, -50%);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.faq-icon::before {
  width: 14px;
  height: 2px;
}

.faq-icon::after {
  width: 2px;
  height: 14px;
}

.faq-item.open .faq-icon::after {
  opacity: 0;
}

.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.35s ease;
}

.faq-answer > div {
  overflow: hidden;
}

.faq-item.open .faq-answer {
  grid-template-rows: 1fr;
}

.faq-answer p {
  padding: 0 28px 26px;
  color: var(--clr-muted);
  line-height: 1.95;
  font-size: 1rem;
}

.cta-panel {
  background: var(--clr-primary);
  padding: 88px 0;
  color: #fff;
  border-top: 1px solid rgba(246, 243, 236, 0.1);
}

.cta-inner {
  text-align: center;
  max-width: 760px;
  margin-inline: auto;
}

.cta-inner h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  line-height: 1.25;
}

.cta-inner p {
  color: rgba(246, 243, 236, 0.78);
  font-size: 1.06rem;
  line-height: 1.95;
  margin: 20px 0 34px;
}

.cta-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}

.cta-panel .btn-primary {
  background: #fff;
  color: var(--clr-primary-dark);
}

.cta-panel .btn-primary:hover {
  background: var(--clr-bg);
  box-shadow: 0 18px 30px rgba(19, 31, 29, 0.22);
}

.cta-panel .btn-ghost {
  border-color: rgba(246, 243, 236, 0.4);
}

.site-footer {
  background: var(--clr-primary-dark);
  color: rgba(246, 243, 236, 0.72);
  padding: 86px 0 36px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1.1fr;
  gap: 50px;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(246, 243, 236, 0.12);
}

.footer-brand-name {
  display: block;
  font-size: 24px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.02em;
}

.footer-brand-sub {
  display: block;
  color: rgba(246, 243, 236, 0.4);
  letter-spacing: 0.18em;
  font-size: 12px;
  margin-top: 8px;
}

.footer-desc {
  margin-top: 20px;
  color: rgba(246, 243, 236, 0.58);
  font-size: 0.95rem;
  line-height: 1.9;
  max-width: 360px;
}

.footer-title {
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 20px;
}

.footer-col a {
  display: block;
  color: rgba(246, 243, 236, 0.58);
  line-height: 1.8;
  padding: 5px 0;
  transition: color 0.2s ease, padding-left 0.2s ease;
}

.footer-col a:hover {
  color: #fff;
  padding-left: 4px;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding-top: 26px;
  font-size: 13px;
  color: rgba(246, 243, 236, 0.42);
}

.footer-bottom p {
  margin: 0;
}

.js .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.js .reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1199px) {
  .container {
    width: min(1200px, calc(100% - 64px));
  }

  .page-section {
    padding: 90px 0;
  }

  .showcase-grid {
    gap: 48px;
  }

  .industry-item {
    grid-template-columns: 80px 1fr 1.2fr;
    gap: 24px;
  }
}

@media (max-width: 991px) {
  .industry-item {
    grid-template-columns: 64px 1fr;
    gap: 8px 20px;
  }

  .industry-no {
    grid-row: span 2;
    padding-top: 6px;
  }

  .industry-desc {
    grid-column: 2 / 3;
  }

  .showcase-grid {
    grid-template-columns: 1fr;
  }

  .showcase-media img {
    height: 380px;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 767px) {
  .container {
    width: min(1200px, calc(100% - 40px));
  }

  .header-inner {
    height: 64px;
  }

  .site-header.scrolled .header-inner {
    height: 58px;
  }

  .brand-badge {
    width: 32px;
    height: 32px;
    border-radius: 5px;
  }

  .brand-badge::after {
    inset: 5px;
    border-width: 1.5px;
  }

  .brand-name {
    font-size: 1.18rem;
  }

  .brand-sub {
    font-size: 10px;
  }

  .header-cta {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .main-nav {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--clr-surface);
    padding: 12px 20px 60px;
    overflow: auto;
    display: none;
  }

  .main-nav.open {
    display: block;
  }

  .main-nav ul {
    flex-direction: column;
    gap: 0;
    margin-top: 8px;
  }

  .main-nav a {
    min-height: 56px;
    display: flex;
    align-items: center;
    font-size: 1.12rem;
    border-bottom: 1px solid var(--clr-line);
    border-radius: 0;
  }

  .main-nav a::after {
    content: none;
  }

  .main-nav a.active {
    color: var(--clr-primary);
  }

  .main-nav a.active::before {
    content: "·";
    color: var(--clr-accent);
    font-weight: 700;
    font-size: 1.5rem;
    margin-right: 8px;
  }

  .mobile-panel-brand {
    display: block;
    color: var(--clr-primary-dark);
    font-size: 19px;
    font-weight: 700;
    text-align: center;
    padding: 18px 0 8px;
    letter-spacing: 0.03em;
  }

  .page-hero {
    padding: 140px 0 64px;
  }

  .hero-eyebrow {
    margin-top: 32px;
    font-size: 12px;
  }

  .hero-lead {
    font-size: 1rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn-lg,
  .hero-actions .btn {
    width: 100%;
  }

  .page-section {
    padding: 64px 0;
  }

  .section-head {
    margin-bottom: 36px;
  }

  .industry-item {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 30px 0;
  }

  .industry-no {
    grid-row: auto;
  }

  .industry-desc {
    grid-column: auto;
  }

  .industry-item h3 {
    font-size: 1.25rem;
  }

  .stats-band {
    padding: 56px 0;
  }

  .stats-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .stats-note {
    margin-top: 32px;
  }

  .showcase-media img {
    height: 260px;
  }

  .media-note {
    left: 12px;
    bottom: 12px;
    font-size: 11px;
  }

  .route-link {
    grid-template-columns: 44px 1fr 30px;
    gap: 12px;
    padding: 20px;
  }

  .route-index {
    font-size: 13px;
  }

  .route-main strong {
    font-size: 1.08rem;
  }

  .route-main small {
    font-size: 0.94rem;
  }

  .route-arrow {
    font-size: 1.1rem;
  }

  .faq-question {
    padding: 18px 20px;
    font-size: 1rem;
    gap: 16px;
  }

  .faq-answer p {
    padding: 0 20px 22px;
  }

  .cta-panel {
    padding: 64px 0;
  }

  .cta-buttons {
    flex-direction: column;
  }

  .cta-buttons .btn {
    width: 100%;
  }

  .site-footer {
    padding: 58px 0 28px;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 34px;
    padding-bottom: 40px;
  }

  .footer-brand {
    grid-column: auto;
  }

  .footer-desc {
    max-width: 100%;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* roulang page: category2 */
:root {
    --brand: #1C3F3A;
    --deep: #131F1D;
    --accent: #B5804F;
    --paper: #F6F3EC;
    --surface: #FFFDF8;
    --text: #20241F;
    --text-secondary: #5C5F58;
    --text-muted: #8B8E86;
    --line: rgba(28, 63, 58, 0.14);
    --line-light: rgba(246, 243, 236, 0.18);
    --shadow-sm: 0 2px 8px rgba(18, 32, 28, 0.05);
    --shadow-md: 0 18px 36px rgba(18, 32, 28, 0.1);
    --radius-card: 12px;
    --radius-btn: 4px;
    --radius-tag: 999px;
    --font-stack: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system, sans-serif;
    --header-height: 80px;
    --container: 1200px;
    --speed: 0.25s cubic-bezier(0.2, 0.7, 0.2, 1);
  }

  *,
  *::before,
  *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }

  html {
    scroll-behavior: smooth;
  }

  body {
    font-family: var(--font-stack);
    background: var(--paper);
    color: var(--text);
    font-size: 16px;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
  }

  img {
    max-width: 100%;
    display: block;
  }

  a {
    color: inherit;
    text-decoration: none;
  }

  button {
    font-family: inherit;
    border: none;
    background: none;
    cursor: pointer;
  }

  ul,
  ol {
    list-style: none;
  }

  a:focus-visible,
  button:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 4px;
    border-radius: 4px;
  }

  section[id],
  div[id] {
    scroll-margin-top: 110px;
  }

  .container {
    max-width: var(--container);
    margin: 0 auto;
    padding-left: 48px;
    padding-right: 48px;
  }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 56px;
    padding: 0 32px;
    border-radius: var(--radius-btn);
    border: 1px solid transparent;
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 0.04em;
    transition: transform var(--speed), box-shadow var(--speed), background var(--speed), border-color var(--speed), color var(--speed);
    cursor: pointer;
    white-space: nowrap;
  }

  .btn-primary {
    background: var(--brand);
    color: #F7F5EF;
  }

  .btn-primary:hover {
    background: #152F2B;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 14px 24px rgba(28, 63, 58, 0.16);
  }

  .btn-outline {
    border-color: var(--brand);
    color: var(--brand);
  }

  .btn-outline:hover {
    background: rgba(28, 63, 58, 0.06);
    color: var(--brand);
  }

  .btn-light {
    background: #F3EDE2;
    color: var(--brand);
  }

  .btn-light:hover {
    background: #fff;
    transform: translateY(-2px);
    box-shadow: 0 14px 24px rgba(15, 25, 23, 0.16);
  }

  .btn-outline-light {
    border-color: rgba(246, 243, 236, 0.65);
    color: #F6F3EC;
  }

  .btn-outline-light:hover {
    background: rgba(246, 243, 236, 0.1);
    border-color: rgba(246, 243, 236, 0.95);
  }

  .btn-sm {
    height: 42px;
    padding: 0 20px;
    font-size: 14px;
  }

  .site-header {
    position: sticky;
    top: 0;
    left: 0;
    z-index: 30;
    height: var(--header-height);
    background: rgba(246, 243, 236, 0.88);
    -webkit-backdrop-filter: saturate(160%) blur(18px);
    backdrop-filter: saturate(160%) blur(18px);
    border-bottom: 1px solid transparent;
    transition: height var(--speed), background var(--speed), border-color var(--speed), box-shadow var(--speed);
  }

  .site-header.scrolled {
    height: 64px;
    border-bottom-color: var(--line);
    box-shadow: 0 4px 20px rgba(18, 32, 28, 0.05);
  }

  .header-inner {
    display: flex;
    align-items: center;
    height: 100%;
    gap: 32px;
  }

  .brand {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
  }

  .brand-badge {
    position: relative;
    display: block;
    width: 38px;
    height: 38px;
    border-radius: 9px 9px 9px 3px;
    background: var(--brand);
    overflow: hidden;
    flex: 0 0 auto;
  }

  .brand-badge::before {
    content: "";
    position: absolute;
    width: 18px;
    height: 18px;
    left: 5px;
    top: 5px;
    border: 1px solid rgba(246, 243, 236, 0.7);
    border-radius: 3px;
  }

  .brand-badge::after {
    content: "";
    position: absolute;
    width: 10px;
    height: 2px;
    right: 0;
    bottom: 4px;
    background: var(--accent);
  }

  .brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
  }

  .brand-name {
    font-size: 19px;
    font-weight: 700;
    color: var(--brand);
    letter-spacing: 0.05em;
  }

  .brand-sub {
    font-size: 10px;
    letter-spacing: 0.28em;
    color: var(--accent);
    margin-top: 2px;
  }

  .main-nav {
    display: flex;
    align-items: center;
  }

  .main-nav ul {
    display: flex;
    align-items: center;
    gap: 6px;
  }

  .main-nav li a {
    display: inline-flex;
    align-items: center;
    height: 44px;
    padding: 0 18px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text);
    border-radius: 999px;
    transition: color var(--speed), background var(--speed);
    position: relative;
  }

  .main-nav li a:hover {
    color: var(--brand);
    background: rgba(28, 63, 58, 0.06);
  }

  .main-nav li a.active {
    color: var(--brand);
    font-weight: 600;
  }

  .main-nav li a.active::after {
    content: "";
    position: absolute;
    left: 20px;
    right: 20px;
    bottom: 7px;
    height: 2px;
    background: var(--accent);
    border-radius: 4px;
  }

  .header-cta {
    margin-left: auto;
    flex-shrink: 0;
  }

  .nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    flex-shrink: 0;
    border-radius: 8px;
    padding: 12px;
    margin-left: auto;
    gap: 5px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
  }

  .nav-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--brand);
    border-radius: 2px;
    transition: transform var(--speed), opacity var(--speed);
  }

  .cat-hero {
    position: relative;
    background-image:
      linear-gradient(84deg, rgba(19, 31, 29, 0.8) 0%, rgba(28, 63, 58, 0.55) 58%, rgba(19, 31, 29, 0.22) 100%),
      url("/assets/images/backpic/back-3.png");
    background-size: cover;
    background-position: center;
    padding: 116px 0 96px;
    color: #F6F3EC;
  }

  .cat-hero-inner {
    max-width: 860px;
  }

  .breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    font-size: 13px;
    color: rgba(246, 243, 236, 0.72);
    gap: 8px;
    margin-bottom: 22px;
  }

  .breadcrumb a {
    color: rgba(246, 243, 236, 0.82);
    transition: color var(--speed);
  }

  .breadcrumb a:hover {
    color: #fff;
  }

  .breadcrumb .sep {
    opacity: 0.6;
  }

  .hero-eyebrow {
    font-size: 13px;
    letter-spacing: 0.28em;
    color: #E2C194;
    margin-bottom: 14px;
    text-transform: uppercase;
  }

  .cat-hero h1 {
    font-size: clamp(2rem, 4.5vw, 3.4rem);
    line-height: 1.1;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: #fff;
    margin-bottom: 20px;
  }

  .cat-hero .lead {
    font-size: clamp(1rem, 1.4vw, 1.2rem);
    line-height: 1.8;
    max-width: 720px;
    color: rgba(246, 243, 236, 0.9);
    margin-bottom: 34px;
  }

  .hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 46px;
  }

  .hero-quick {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    padding-top: 28px;
    border-top: 1px solid rgba(246, 243, 236, 0.26);
  }

  .hero-quick-item {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: rgba(246, 243, 236, 0.84);
  }

  .hero-quick-item::before {
    content: "";
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 2px;
  }

  .main-section {
    padding: 110px 0;
  }

  .section-head {
    max-width: 760px;
    margin-bottom: 58px;
  }

  .section-eyebrow {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.2em;
    color: var(--accent);
    margin-bottom: 12px;
  }

  .section-head h2 {
    font-size: clamp(1.5rem, 3vw, 2.4rem);
    line-height: 1.25;
    color: var(--text);
    font-weight: 700;
    letter-spacing: -0.02em;
  }

  .section-head p {
    margin-top: 16px;
    color: var(--text-secondary);
    font-size: 16px;
    line-height: 1.9;
  }

  .guide-index {
    background: var(--surface);
  }

  .guide-list {
    border-top: 1px solid var(--line);
  }

  .guide-row {
    display: grid;
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 44px;
    align-items: start;
    padding: 48px 8px;
    border-bottom: 1px solid var(--line);
    transition: background var(--speed), transform var(--speed);
    border-radius: 8px;
  }

  .guide-row:hover {
    background: rgba(28, 63, 58, 0.03);
    padding-left: 16px;
    padding-right: 16px;
  }

  .guide-num {
    font-size: clamp(2rem, 3vw, 2.8rem);
    font-weight: 700;
    line-height: 1;
    color: transparent;
    -webkit-text-stroke: 1px var(--accent);
    letter-spacing: -0.02em;
  }

  .guide-row h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 10px;
  }

  .guide-row p {
    color: var(--text-secondary);
    line-height: 1.85;
    max-width: 920px;
    margin-bottom: 14px;
  }

  .text-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--brand);
    position: relative;
  }

  .text-link::after {
    content: "→";
    display: inline-block;
    transition: transform var(--speed);
  }

  .text-link:hover::after {
    transform: translateX(4px);
  }

  .step-band {
    background: var(--deep);
    color: #EDEBE3;
    padding: 110px 0;
  }

  .step-band .section-eyebrow {
    color: #D9B488;
  }

  .step-band .section-head h2 {
    color: #F6F3EC;
  }

  .step-band .section-head p {
    color: rgba(246, 243, 236, 0.72);
  }

  .step-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 24px;
  }

  .step-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(246, 243, 236, 0.12);
    border-radius: var(--radius-card);
    padding: 34px 26px;
    min-height: 190px;
    transition: transform var(--speed), border-color var(--speed), background var(--speed);
  }

  .step-card:hover {
    transform: translateY(-6px);
    border-color: rgba(181, 128, 79, 0.4);
    background: rgba(255, 255, 255, 0.07);
  }

  .step-num {
    font-size: 15px;
    font-weight: 600;
    color: var(--accent);
    letter-spacing: 0.12em;
    margin-bottom: 50px;
    display: block;
  }

  .step-card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #F6F3EC;
    margin-bottom: 8px;
  }

  .step-card p {
    font-size: 14px;
    line-height: 1.75;
    color: rgba(246, 243, 236, 0.68);
  }

  .split-wrap {
    background: var(--surface);
  }

  .split-grid {
    display: grid;
    grid-template-columns: 1fr 0.9fr;
    gap: 70px;
    align-items: center;
  }

  .split-copy h2 {
    font-size: clamp(1.6rem, 2.8vw, 2.4rem);
    line-height: 1.24;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text);
  }

  .split-copy p {
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: 26px;
  }

  .check-list li {
    position: relative;
    padding-left: 32px;
    margin-bottom: 14px;
    font-weight: 500;
    color: var(--text);
  }

  .check-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.5em;
    width: 18px;
    height: 10px;
    border-left: 2px solid var(--accent);
    border-bottom: 2px solid var(--accent);
    transform: rotate(-45deg);
    border-radius: 1px;
  }

  .split-copy .btn {
    margin-top: 20px;
    margin-right: 12px;
  }

  .split-figure {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
  }

  .split-figure img {
    width: 100%;
    height: 460px;
    object-fit: cover;
    background: #E7E2D8;
  }

  .figure-caption {
    padding: 18px 22px;
    background: #fff;
    border-top: 1px solid var(--line);
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.65;
  }

  .faq-section {
    background: var(--paper);
    padding: 110px 0;
  }

  .faq-list {
    max-width: 900px;
    margin: 0 auto;
    border-top: 1px solid var(--line);
  }

  .faq-card {
    background: var(--surface);
    border: 1px solid transparent;
    border-bottom-color: var(--line);
    border-radius: 0;
    transition: background var(--speed), border-color var(--speed);
  }

  .faq-card + .faq-card {
    margin-top: 0;
  }

  .faq-card summary {
    list-style: none;
    padding: 32px 48px 32px 32px;
    cursor: pointer;
    position: relative;
    font-size: 1.1rem;
    font-weight: 600;
    line-height: 1.6;
    color: var(--text);
    transition: color var(--speed);
  }

  .faq-card summary::-webkit-details-marker {
    display: none;
  }

  .faq-card summary::after {
    content: "+";
    position: absolute;
    right: 26px;
    top: 50%;
    width: 32px;
    height: 32px;
    line-height: 28px;
    text-align: center;
    transform: translateY(-50%) rotate(0deg);
    font-size: 24px;
    font-weight: 300;
    color: var(--accent);
    border: 1px solid var(--line);
    border-radius: 50%;
    background: var(--paper);
    transition: transform var(--speed), border-color var(--speed), background var(--speed);
  }

  .faq-card[open] summary {
    color: var(--brand);
  }

  .faq-card[open] summary::after {
    content: "−";
    transform: translateY(-50%) rotate(0deg);
    border-color: var(--accent);
    background: rgba(181, 128, 79, 0.08);
    color: var(--accent);
  }

  .faq-card .answer {
    padding: 0 48px 30px 32px;
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.9;
    max-width: 92ch;
  }

  .faq-card[open] {
    box-shadow: var(--shadow-sm);
    background: #fffefa;
    border-radius: 4px;
  }

  .cat-outro {
    background: var(--brand);
    padding: 92px 0 96px;
    color: #F1EEE6;
    text-align: center;
  }

  .cat-outro h2 {
    font-size: clamp(1.7rem, 3vw, 2.6rem);
    font-weight: 700;
    color: #fff;
    line-height: 1.2;
    margin-bottom: 18px;
  }

  .cat-outro p {
    max-width: 640px;
    margin: 0 auto 36px;
    color: rgba(246, 243, 236, 0.8);
    font-size: 16px;
  }

  .cat-outro .btn {
    margin: 0 8px 8px;
  }

  .footer-extra {
    margin-top: 28px;
    padding-top: 28px;
    border-top: 1px solid var(--line-light);
    display: flex;
    justify-content: center;
    gap: 28px;
    font-size: 14px;
    color: rgba(246, 243, 236, 0.72);
  }

  .footer-extra a {
    color: rgba(246, 243, 236, 0.82);
  }

  .footer-extra a:hover {
    color: #fff;
  }

  .site-footer {
    background: var(--deep);
    color: rgba(246, 243, 236, 0.8);
    padding: 88px 0 48px;
    font-size: 14px;
  }

  .footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.2fr;
    gap: 52px;
    padding-bottom: 50px;
  }

  .footer-brand .brand-name {
    color: #fff;
    font-size: 22px;
    font-weight: 700;
    letter-spacing: 0.06em;
  }

  .footer-brand .brand-sub {
    color: rgba(246, 243, 236, 0.42);
    letter-spacing: 0.18em;
    font-size: 12px;
    margin-top: 6px;
  }

  .footer-desc {
    margin-top: 18px;
    color: rgba(246, 243, 236, 0.68);
    line-height: 1.9;
    max-width: 360px;
  }

  .footer-col .footer-title {
    color: #F6F3EC;
    font-weight: 600;
    font-size: 16px;
    margin-bottom: 20px;
  }

  .footer-col a {
    display: block;
    color: rgba(246, 243, 236, 0.7);
    padding: 6px 0;
    line-height: 1.7;
    transition: color var(--speed), transform var(--speed);
    transform-origin: left center;
  }

  .footer-col a:hover {
    color: #fff;
    transform: translateX(4px);
  }

  .footer-bottom {
    border-top: 1px solid var(--line-light);
    padding-top: 26px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 12px;
    color: rgba(246, 243, 236, 0.5);
    font-size: 13px;
  }

  @media (max-width: 1199px) {
    .footer-top {
      grid-template-columns: 1.6fr 1fr 1fr;
    }
  }

  @media (max-width: 767px) {
    .footer-top {
      grid-template-columns: 1fr;
      gap: 34px;
    }
  }

  @media (max-width: 1023px) {
    .container {
      padding-left: 32px;
      padding-right: 32px;
    }

    .header-cta {
      display: none;
    }

    .main-nav {
      position: absolute;
      top: 100%;
      left: 0;
      right: 0;
      background: var(--surface);
      flex-direction: column;
      align-items: stretch;
      max-height: 0;
      overflow: hidden;
      box-shadow: 0 18px 30px rgba(18, 32, 28, 0.1);
      border-bottom: 1px solid var(--line);
      transition: max-height 0.45s cubic-bezier(0.2, 0.7, 0.2, 1);
    }

    .main-nav.open {
      max-height: calc(100vh - 64px);
      border-top: 1px solid var(--line);
    }

    .main-nav ul {
      flex-direction: column;
      align-items: stretch;
      gap: 0;
      padding: 12px 16px 24px;
    }

    .main-nav ul li a {
      display: flex;
      align-items: center;
      height: 56px;
      padding: 0 16px;
      border-radius: 10px;
      font-size: 17px;
    }

    .main-nav li a.active {
      background: rgba(28, 63, 58, 0.05);
    }

    .main-nav li a.active::after {
      left: 16px;
      right: auto;
      width: 16px;
      bottom: 8px;
    }

    .nav-toggle {
      display: flex;
      margin-left: auto;
    }

    .site-header.scrolled .main-nav {
      top: 64px;
    }
  }

  @media (max-width: 767px) {
    .container {
      padding-left: 20px;
      padding-right: 20px;
    }

    .site-header {
      height: 64px;
    }

    .site-header.scrolled {
      height: 58px;
    }

    .brand-badge {
      width: 32px;
      height: 32px;
    }

    .brand-badge::before {
      width: 14px;
      height: 14px;
      top: 4px;
      left: 4px;
    }

    .brand-name {
      font-size: 16px;
    }

    .brand-sub {
      font-size: 9px;
      letter-spacing: 0.16em;
    }

    .cat-hero {
      padding: 78px 0 66px;
    }

    .cat-hero h1 {
      font-size: clamp(1.9rem, 8vw, 2.8rem);
    }

    .main-section,
    .step-band,
    .faq-section {
      padding: 70px 0;
    }

    .section-head {
      margin-bottom: 40px;
    }

    .guide-row {
      grid-template-columns: 1fr;
      gap: 16px;
      padding: 34px 4px;
    }

    .guide-num {
      font-size: 2rem;
      -webkit-text-stroke-width: 1px;
    }

    .guide-row h3 {
      font-size: 1.2rem;
    }

    .step-grid {
      grid-template-columns: 1fr;
      gap: 14px;
    }

    .step-card {
      min-height: 0;
      padding: 24px 22px;
    }

    .step-num {
      margin-bottom: 16px;
    }

    .split-grid {
      grid-template-columns: 1fr;
      gap: 40px;
    }

    .split-figure img {
      height: 280px;
    }

    .split-copy .btn {
      width: 100%;
      margin-right: 0;
      margin-bottom: 10px;
    }

    .faq-card summary {
      padding: 22px 46px 22px 22px;
      font-size: 16px;
    }

    .faq-card .answer {
      padding: 0 22px 24px;
    }

    .cat-outro {
      padding: 68px 0 72px;
    }

    .cat-outro .btn {
      width: 100%;
      max-width: 320px;
      margin: 8px auto;
    }

    .hero-actions {
      flex-direction: column;
      width: 100%;
    }

    .hero-actions .btn {
      width: 100%;
      order: 2;
    }

    .footer-top {
      grid-template-columns: 1fr;
    }

    .site-footer {
      padding-top: 68px;
    }
  }

/* roulang page: category3 */
:root {
  --brand-primary: #1C3F3A;
  --brand-dark: #131F1D;
  --accent: #B5804F;
  --paper: #F6F3EC;
  --panel: #FFFDF8;
  --text-strong: #20241F;
  --text-body: #5C5F58;
  --text-weak: #8B8E86;
  --line: rgba(28, 63, 58, 0.14);
  --radius-btn: 4px;
  --radius-card: 12px;
  --radius-full: 999px;
  --shadow-card: 0 2px 8px rgba(18, 32, 28, 0.05);
  --shadow-card-hover: 0 18px 36px rgba(18, 32, 28, 0.1);
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
  --container: 1200px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system, sans-serif;
  color: var(--text-strong);
  background: var(--paper);
  line-height: 1.7;
  font-size: 1rem;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

button,
input {
  font-family: inherit;
  font-size: inherit;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding-left: 48px;
  padding-right: 48px;
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 56px;
  padding: 0 32px;
  border-radius: var(--radius-btn);
  border: 1px solid transparent;
  background: var(--brand-primary);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background 0.2s var(--ease), transform 0.2s var(--ease), box-shadow 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.btn:hover {
  background: #0f2d28;
  transform: translateY(-2px);
  box-shadow: 0 14px 24px rgba(28, 63, 58, 0.16);
  color: #fff;
}

.btn:focus-visible,
a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.btn-sm {
  height: 44px;
  padding: 0 20px;
  font-size: 14px;
}

.btn-outline-light {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.58);
  color: #fff;
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #fff;
  color: #fff;
  box-shadow: none;
  transform: translateY(-2px);
}

/* Header 与导航 */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1000;
  width: 100%;
  height: 80px;
  background: rgba(246, 243, 236, 0.88);
  backdrop-filter: saturate(160%) blur(18px);
  -webkit-backdrop-filter: saturate(160%) blur(18px);
  border-bottom: 1px solid transparent;
  transition: height 0.25s var(--ease), border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.site-header.is-scrolled {
  height: 64px;
  border-bottom-color: rgba(28, 63, 58, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.brand-badge {
  width: 36px;
  height: 36px;
  display: inline-block;
  background:
    linear-gradient(var(--accent), var(--accent)) 50% 50% / 10px 10px no-repeat,
    linear-gradient(45deg, var(--brand-primary) 25%, transparent 25%), linear-gradient(-45deg, var(--brand-primary) 25%, transparent 25%);
  background-size: 22px 22px;
  border-radius: 6px;
  transform: rotate(-2deg);
}

.brand-name {
  font-weight: 700;
  color: var(--brand-primary);
  letter-spacing: 0.05em;
  font-size: 24px;
  line-height: 1.2;
}

.brand-sub {
  display: block;
  color: var(--text-weak);
  font-size: 11px;
  letter-spacing: 0.24em;
  line-height: 1.2;
}

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 6px;
}

.main-nav a {
  display: inline-block;
  padding: 10px 14px;
  color: var(--text-body);
  font-size: 15px;
  border-radius: 4px;
  position: relative;
  transition: color 0.2s, background 0.2s;
}

.main-nav a::after {
  content: "";
  position: absolute;
  bottom: 3px;
  left: 14px;
  right: 14px;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform 0.2s var(--ease);
  border-radius: 2px;
}

.main-nav a:hover {
  color: var(--brand-primary);
}

.main-nav a.active::after,
.main-nav a:hover::after {
  transform: scaleX(1);
}

.main-nav a.active {
  color: var(--brand-primary);
  font-weight: 600;
}

.header-cta {
  margin-left: 10px;
}

.nav-toggle {
  width: 44px;
  height: 44px;
  display: none;
  background: transparent;
  border: 0;
  cursor: pointer;
  padding: 10px;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--brand-primary);
  border-radius: 2px;
}

/* 一般页面区块 */
.section {
  padding: 110px 0;
}

.section-title {
  margin: 0 0 14px;
  font-size: clamp(1.5rem, 3vw, 2.4rem);
  line-height: 1.28;
  color: var(--brand-primary);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.eyebrow {
  display: block;
  margin-bottom: 14px;
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--accent);
  font-weight: 600;
}

.section-lead {
  color: var(--text-body);
  font-size: 1.05rem;
  max-width: 760px;
}

/* Hero */
.cat-hero {
  position: relative;
  isolation: isolate;
  padding: 180px 0 100px;
  background:
    linear-gradient(120deg, rgba(19, 31, 29, 0.88) 0%, rgba(28, 63, 58, 0.74) 58%, rgba(28, 63, 58, 0.5) 100%),
    url("/assets/images/backpic/back-2.webp") center center / cover no-repeat;
  color: #fff;
}

.cat-hero-inner {
  max-width: 820px;
  position: relative;
  z-index: 2;
}

.cat-hero .breadcrumb {
  color: rgba(255, 255, 255, 0.66);
  font-size: 14px;
  margin-bottom: 34px;
  letter-spacing: 0.04em;
}

.cat-hero .breadcrumb a {
  transition: color 0.2s;
}

.cat-hero .breadcrumb a:hover {
  color: #fff;
}

.hero-title {
  font-size: clamp(2rem, 4.5vw, 3.4rem);
  line-height: 1.16;
  margin: 10px 0 16px;
  color: #fff;
  letter-spacing: -0.02em;
  font-weight: 700;
}

.brand-line {
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--accent);
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-line::before {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--accent);
}

.hero-lead {
  font-size: 1.18rem;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.86);
  margin: 10px 0 30px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 38px;
}

.hero-quick {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: 28px;
}

.hero-quick a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid rgba(255, 255, 255, 0.36);
  color: #fff;
  padding: 8px 16px;
  font-size: 14px;
  border-radius: 999px;
  transition: border-color 0.2s, background 0.2s;
}

.hero-quick a:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

/* 资讯通道说明 */
.channel-wrap {
  background: var(--paper);
}

.channel-head {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 38px;
}

.channel-list {
  border-top: 1px solid var(--line);
}

.channel-item {
  display: grid;
  grid-template-columns: 100px 1fr 170px;
  align-items: center;
  gap: 34px;
  padding: 34px 0;
  border-bottom: 1px solid var(--line);
  transition: background 0.2s ease, padding-left 0.2s ease;
}

.channel-index {
  font-size: 2.2rem;
  font-weight: 700;
  color: rgba(181, 128, 79, 0.7);
  letter-spacing: -0.04em;
}

.channel-item h2 {
  margin: 0 0 8px;
  font-size: 1.28rem;
  color: var(--text-strong);
  font-weight: 650;
}

.channel-item p {
  margin: 0;
  color: var(--text-body);
  font-size: 0.97rem;
  line-height: 1.85;
  max-width: 680px;
}

.channel-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--brand-primary);
  font-weight: 600;
  font-size: 15px;
  white-space: nowrap;
  transition: color 0.2s, gap 0.2s;
}

.channel-link:hover {
  color: var(--accent);
  gap: 13px;
}

/* 场景与流程 */
.visual-band {
  background: var(--brand-dark);
  color: #fff;
  padding: 110px 0;
}

.visual-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
  align-items: center;
}

.visual-img {
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.18);
}

.visual-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.band-title {
  font-size: clamp(1.5rem, 3vw, 2.4rem);
  color: #fff;
  margin: 0 0 16px;
  line-height: 1.35;
}

.band-copy {
  color: rgba(255, 255, 255, 0.72);
  font-size: 1.04rem;
  margin-bottom: 38px;
  line-height: 1.9;
}

.steps {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.step {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.step-num {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.56);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
  flex-shrink: 0;
}

.step h3 {
  margin: 0 0 5px;
  color: #fff;
  font-size: 1.1rem;
}

.step p {
  margin: 0;
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.95rem;
  line-height: 1.8;
}

/* 核心特点 */
.feature-panel {
  background: var(--panel);
}

.feature-three {
  display: flex;
  gap: 16px;
  margin-top: 40px;
}

.feature-block {
  background: var(--paper);
  padding: 30px 28px;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  border-top: 2px solid var(--accent);
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.feature-block:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-card-hover);
}

.feature-num {
  color: var(--accent);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.feature-title {
  font-size: 1.3rem;
  color: var(--brand-primary);
  margin: 12px 0 10px;
  font-weight: 650;
}

.feature-copy {
  color: var(--text-body);
  font-size: 0.96rem;
  line-height: 1.85;
  margin: 0;
}

/* FAQ */
.faq-area {
  padding: 110px 0;
  background: var(--paper);
}

.faq-wrap {
  max-width: 850px;
  margin: 40px auto 0;
}

.faq-heading {
  text-align: center;
  margin-bottom: 8px;
}

.faq-heading .section-title {
  color: var(--brand-dark);
}

details {
  background: var(--panel);
  border: 1px solid rgba(28, 63, 58, 0.08);
  border-radius: 10px;
  margin-bottom: 14px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 22px 26px;
  cursor: pointer;
  font-size: 1.12rem;
  font-weight: 600;
  color: var(--text-strong);
  list-style: none;
  transition: color 0.2s;
}

summary::-webkit-details-marker {
  display: none;
}

summary::after {
  content: "";
  width: 18px;
  height: 18px;
  background: var(--line);
  flex-shrink: 0;
  position: relative;
  border-radius: 50%;
  transition: background 0.2s;
}

summary::after {
  background:
    linear-gradient(#1C3F3A, #1C3F3A) center center / 10px 2px no-repeat;
}

details[open] summary::after {
  background:
    linear-gradient(#1C3F3A, #1C3F3A) center center / 10px 2px no-repeat,
    linear-gradient(#1C3F3A, #1C3F3A) center center / 2px 10px no-repeat;
}

details[open] summary {
  color: var(--brand-primary);
  border-bottom: 1px solid rgba(28, 63, 58, 0.07);
}

.faq-answer {
  padding: 0 26px 24px;
  color: var(--text-body);
  line-height: 1.95;
  font-size: 0.98rem;
}

/* 页面互通区块 */
.pages-bridge {
  background: var(--panel);
  padding: 90px 0;
}

.bridge-inner {
  display: grid;
  grid-template-columns: 1.3fr 0.8fr;
  gap: 60px;
  align-items: center;
}

.bridge-link {
  display: flex;
  align-items: baseline;
  gap: 22px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  font-size: 1.1rem;
  transition: background 0.2s;
}

.bridge-link:hover {
  padding-left: 8px;
}

.bridge-link .bridge-n {
  color: var(--accent);
  font-size: 13px;
  letter-spacing: .1em;
  min-width: 30px;
}

.bridge-link .bridge-text {
  color: var(--brand-primary);
  font-weight: 600;
}

.bridge-link .bridge-des {
  margin-left: auto;
  color: var(--text-weak);
  font-size: 0.92rem;
}

.cta-inner {
  background: var(--brand-primary);
  border-radius: 18px;
  overflow: hidden;
  position: relative;
  padding: 58px;
  color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 320px;
}

.cta-inner .eyebrow {
  color: rgba(255, 255, 255, 0.7);
}

.cta-inner h2 {
  color: #fff;
  font-size: 1.8rem;
  line-height: 1.3;
  margin: 0 0 20px;
}

.cta-inner .btn {
  background: #fff;
  color: var(--brand-primary);
}

.cta-inner .btn:hover {
  background: var(--paper);
  color: var(--brand-primary);
}

.btn-outline-light.no-bg {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255,255,255,.6);
}

.btn-outline-light.no-bg:hover {
  background: transparent;
  border-color: #fff;
  color: #fff;
}

/* 页脚 */
.site-footer {
  margin-top: 0;
  background: var(--brand-dark);
  color: rgba(246, 243, 236, 0.7);
  padding-top: 80px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}

.footer-brand .brand-name {
  font-size: 24px;
  color: #fff;
  font-weight: 700;
  display: block;
}

.footer-brand .brand-sub {
  color: rgba(246, 243, 236, 0.42);
  letter-spacing: 0.15em;
  font-size: 12px;
  margin-top: 4px;
}

.footer-desc {
  color: rgba(255, 255, 255, 0.48);
  font-size: 0.92rem;
  margin-top: 20px;
  max-width: 260px;
  line-height: 1.8;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 13px;
}

.footer-title {
  color: #fff;
  font-weight: 600;
  font-size: 16px;
  margin: 0 0 6px;
  letter-spacing: .03em;
}

.footer-col a {
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
  transition: color 0.2s, padding-left 0.2s;
  width: fit-content;
}

.footer-col a:hover {
  color: #fff;
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  margin-top: 20px;
  color: rgba(255, 255, 255, 0.4);
  font-size: 13px;
}

.copyright {
  margin: 0;
}

.footer-legal {
  margin: 0;
}

/* 响应式 */
@media (max-width: 1199.98px) {
  .feature-three {
    flex-direction: column;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 991.98px) {
  .section {
    padding: 80px 0;
  }

  .visual-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .main-nav {
    position: fixed;
    top: 0;
    right: 0;
    height: 100vh;
    height: 100dvh;
    width: min(440px, 100%);
    background: rgba(255, 253, 248, 0.99);
    backdrop-filter: saturate(160%) blur(18px);
    z-index: 1100;
    transform: translateY(-8px);
    padding: 120px 38px 40px;
    transition: left 0.25s var(--ease);
    left: 0;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    overflow-y: auto;
  }

  .main-nav.open {
    left: 0;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .main-nav.open {
    left: auto;
    right: 0;
  }

  .main-nav ul {
    flex-direction: column;
    gap: 0;
    align-items: stretch;
  }

  .main-nav a {
    font-size: 1.25rem;
    padding: 18px 0;
    border-bottom: 1px solid rgba(28, 63, 58, 0.08);
    width: 100%;
  }

  .main-nav a::after {
    display: none;
  }

  .main-nav .header-cta {
    margin: 30px 0 0;
  }

  .header-cta.desktop {
    display: none;
  }

  .nav-toggle {
    display: flex;
    position: relative;
    z-index: 1200;
  }

  .header-cta:not(.header-cta-inline) {
    display: none;
  }

  .main-nav .btn {
    margin-top: 30px;
    height: 52px;
  }

  .bridge-inner {
    grid-template-columns: 1fr;
    gap: 46px;
  }

  .brand-sub {
    letter-spacing: 0.12em;
  }
}

@media (max-width: 767.98px) {
  .section {
    padding: 64px 0;
  }

  .visual-band {
    padding: 72px 0;
  }

  .container {
    padding-left: 20px;
    padding-right: 20px;
  }

  .header-inner {
    height: 64px;
  }

  .site-header {
    height: 64px;
  }

  .site-header.is-scrolled {
    height: 58px;
  }

  .brand-badge {
    width: 32px;
    height: 32px;
  }

  .brand-name {
    font-size: 20px;
  }

  .brand-sub {
    font-size: 10px;
  }

  .cat-hero {
    padding-top: 140px;
    padding-bottom: 64px;
  }

  .hero-lead {
    font-size: 1.05rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .hero-quick {
    gap: 12px 8px;
  }

  .channel-item {
    grid-template-columns: 42px 1fr;
    gap: 12px 24px;
    padding: 28px 0;
  }

  .channel-index {
    font-size: 1.1rem;
    grid-row: span 2;
  }

  .channel-link {
    grid-column: 2;
    margin-top: -6px;
  }

  .visual-grid {
    gap: 28px;
  }

  .cta-inner {
    padding: 34px 24px;
    min-height: 0;
  }

  .feature-block {
    padding: 24px 22px;
  }

  details summary {
    padding: 18px 18px;
    font-size: 1rem;
    align-items: flex-start;
    line-height: 1.55;
  }

  .faq-answer {
    padding: 0 18px 20px;
  }

  .bridge-link {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .bridge-link .bridge-des {
    display: none;
  }

  .btn {
    height: 50px;
    padding: 0 24px;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (min-width: 992px) {
  .header-cta.nav-only {
    display: none;
  }
}