/* roulang page: index */
:root{
  --paper:#F4F1E9;
  --surface:#FFFDF7;
  --forest:#102C25;
  --deep:#0A211C;
  --ink:#1B2622;
  --muted:#5E6D65;
  --gold:#C69C5A;
  --lime:#D8F26E;
  --line:rgba(16,44,37,.12);
  --radius:6px;
  --radiusPill:999px;
  --fontSans:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  --fontSerif:"Songti SC","Noto Serif CJK SC",serif;
  --shadowSm:0 2px 6px rgba(16,44,37,.04);
  --shadowMd:0 14px 34px rgba(16,44,37,.08);
  --shadowLg:0 26px 60px rgba(16,44,37,.12);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  background:var(--paper);
  color:var(--ink);
  font-family:var(--fontSans);
  line-height:1.65;
  font-size:16px;
  padding-top:72px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;background:none;border:none;cursor:pointer;color:inherit;}
ul,ol{list-style:none;}
h1,h2,h3,h4,p{overflow-wrap:break-word;}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--gold);outline-offset:3px;border-radius:6px;}
::selection{background:var(--lime);color:var(--deep);}

.wrap{max-width:1200px;margin:0 auto;padding:0 24px;}
.section-block{padding:96px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:42px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--gold);font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;}
.eyebrow i{font-size:14px;}
.section-title{font-size:clamp(1.8rem,3vw,2.7rem);line-height:1.18;font-weight:780;letter-spacing:-.02em;color:var(--deep);margin-top:10px;}
.section-lead{color:var(--muted);font-size:15px;line-height:1.8;max-width:620px;margin-top:10px;}
.text-link{display:inline-flex;align-items:center;gap:9px;color:var(--deep);font-size:14px;font-weight:650;border-bottom:1px solid transparent;transition:color .25s,border-color .25s;white-space:nowrap;}
.text-link i{transition:transform .25s;}
.text-link:hover{color:var(--gold);}
.text-link:hover i{transform:translateX(4px);}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:13px 26px;border-radius:var(--radiusPill);font-weight:650;font-size:15px;
  line-height:1;border:1px solid transparent;transition:transform .25s,background-color .25s,border-color .25s,color .25s,box-shadow .25s;white-space:nowrap;
}
.btn i{transition:transform .25s;}
.btn:hover i.fa-arrow-right{transform:translateX(3px);}
.btn:hover i.fa-arrow-up{transform:translateY(-2px);}
.btn-lime{background:var(--lime);color:var(--deep);box-shadow:0 4px 16px rgba(216,242,110,.18);}
.btn-lime:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(216,242,110,.24);}
.btn-dark{background:var(--forest);color:#fff5e8;}
.btn-dark:hover{transform:translateY(-2px);background:#173d34;box-shadow:var(--shadowMd);}
.btn-outline-light{background:transparent;color:#fdfaf0;border-color:rgba(255,255,255,.35);}
.btn-outline-light:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-2px);}
.btn-outline-dark{background:transparent;color:var(--deep);border-color:rgba(16,44,37,.28);}
.btn-outline-dark:hover{border-color:var(--forest);background:var(--deep);color:var(--lime);transform:translateY(-2px);}
.btn-bookmark{display:inline-flex;align-items:center;gap:9px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);color:#eeeadd;font-weight:600;font-size:13px;padding:9px 16px;border-radius:var(--radiusPill);transition:all .25s;}
.btn-bookmark:hover{color:var(--lime);border-color:rgba(216,242,110,.5);background:rgba(216,242,110,.1);}
.btn-bookmark.active{color:var(--deep);background:var(--lime);border-color:var(--lime);}
.btn-bookmark i{font-size:13px;line-height:1;}

/* Header */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:60;height:72px;
  background:rgba(10,33,28,.78);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(255,255,255,.08);transition:background .3s,box-shadow .3s;
}
.site-header.scrolled{box-shadow:0 8px 28px rgba(10,33,28,.14);}
.header-inner{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:24px;height:72px;}
.logo{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:800;letter-spacing:.01em;transition:color .25s;}
.logo i{color:var(--lime);font-size:16px;}
.logo:hover{color:var(--lime);}
.logo .logo-mini{
  display:inline-grid;place-items:center;width:30px;height:30px;border:1px solid rgba(216,242,110,.6);
  border-radius:50%;color:var(--lime);font-family:var(--fontSerif);font-size:13px;font-weight:700;
  background:rgba(216,242,110,.08);
}
.site-nav{display:flex;justify-content:center;gap:6px;min-width:0;}
.nav-link{
  display:inline-flex;align-items:center;padding:9px 18px;border-radius:var(--radiusPill);
  color:#e6ded0;font-size:14px;font-weight:500;white-space:nowrap;transition:all .25s;
}
.nav-link:hover{background:rgba(255,255,255,.1);color:var(--lime);}
.nav-link.active{background:var(--paper);color:var(--forest);font-weight:700;}
.nav-link.active:hover{color:var(--deep);}
.site-cta{display:flex;justify-content:flex-end;align-items:center;}

/* Hero */
.hero{
  position:relative;min-height:84vh;display:flex;align-items:flex-end;
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;overflow:hidden;color:#fff;
}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(185deg,rgba(10,33,28,.22),rgba(10,33,28,.56) 58%,rgba(10,33,28,.94) 100%);}
.hero-inner{position:relative;z-index:2;padding:130px 24px 72px;}
.hero-kicker{display:inline-flex;align-items:center;gap:9px;margin-bottom:20px;color:var(--lime);font-size:14px;font-weight:650;letter-spacing:.05em;}
.hero-kicker .line{width:30px;height:1px;background:var(--gold);}
.hero-title{
  font-size:clamp(2.2rem,5.1vw,4.8rem);line-height:1.08;font-weight:820;letter-spacing:-.025em;
  max-width:980px;margin-bottom:22px;text-wrap:balance;
}
.hero-title em{font-style:normal;color:var(--lime);}
.hero-sub{color:rgba(255,255,255,.82);font-size:clamp(.98rem,1.25vw,1.18rem);line-height:1.85;max-width:630px;margin-bottom:34px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:54px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:34px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);}
.hero-meta span{display:block;font-size:12px;color:rgba(255,255,255,.52);letter-spacing:.06em;margin-bottom:5px;}
.hero-meta strong{font-weight:650;font-size:15px;color:#f5efe2;}

/* Catalog / main index */
.catalog-block{background:var(--paper);}
.catalog-frame{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadowSm);}
.catalog-row{display:grid;grid-template-columns:88px minmax(170px,1.1fr) minmax(220px,1.4fr) 40px;align-items:center;gap:24px;padding:28px 30px;border-bottom:1px solid var(--line);transition:background .25s;position:relative;}
.catalog-row:last-child{border-bottom:none;}
.catalog-row{text-align:left;}
.catalog-row:hover{background:#fff;}
.catalog-row .cat-no{font-size:34px;font-weight:760;letter-spacing:-.02em;color:var(--gold);font-family:var(--fontSans);transition:color .25s;}
.catalog-row:hover .cat-no{color:var(--deep);}
.catalog-row .cat-name{font-size:21px;font-weight:760;color:var(--deep);line-height:1.3;}
.catalog-row .cat-name small{display:block;font-size:13px;color:var(--muted);font-weight:500;margin-top:6px;letter-spacing:.03em;}
.catalog-row .cat-desc{font-size:14px;color:var(--muted);line-height:1.75;max-width:520px;}
.catalog-row .cat-arrow{color:var(--gold);text-align:right;font-size:20px;transition:transform .25s,color .25s;}
.catalog-row:hover .cat-arrow{transform:translateX(5px);color:var(--deep);}

/* News / latest */
.news-section{background:var(--paper);}
.news-layout{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:28px;align-items:start;}
.no-top-border{font-size:15px;color:var(--muted);background:#fff;border:1px dashed rgba(16,44,37,.2);border-radius:var(--radius);padding:30px 22px;text-align:center;}

.spot-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadowSm);transition:box-shadow .25s,transform .25s;}
.spot-card:hover{box-shadow:var(--shadowLg);transform:translateY(-4px);}
.spot-media{position:relative;display:block;overflow:hidden;aspect-ratio:16 / 10;background:var(--deep);}
.spot-media img{width:100%;height:100%;object-fit:cover;transition:transform .7s;}
.spot-card:hover .spot-media img{transform:scale(1.05);}
.spot-media .news-flag{position:absolute;top:16px;left:16px;background:var(--lime);color:var(--deep);font-weight:750;font-size:12px;padding:6px 13px;border-radius:999px;letter-spacing:.04em;}
.spot-media .no-cover{display:grid;place-items:center;height:100%;color:#d7d2c5;font-size:26px;font-weight:800;letter-spacing:.14em;background:linear-gradient(160deg,#14352c,#0a211c);}
.spot-body{padding:26px 26px 30px;}
.spot-body .cat-pill{display:inline-block;background:rgba(198,156,90,.12);color:#8a6420;border:1px solid rgba(198,156,90,.25);border-radius:999px;padding:5px 12px;font-size:12px;font-weight:650;margin-bottom:14px;}
.spot-body h3{font-size:clamp(1.3rem,2vw,1.8rem);line-height:1.35;font-weight:760;color:var(--deep);margin-bottom:12px;}
.spot-body h3 a{transition:color .25s;}
.spot-body h3 a:hover{color:var(--gold);}
.spot-body p{color:var(--muted);font-size:15px;line-height:1.85;margin-bottom:18px;}
.spot-body time{display:inline-flex;align-items:center;gap:7px;color:var(--muted);font-size:13px;}

.news-right{display:flex;flex-direction:column;gap:0;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadowSm);padding:6px 22px;}
.news-list-title{display:flex;align-items:center;gap:9px;padding:16px 0 14px;font-size:14px;font-weight:750;letter-spacing:.05em;color:var(--forest);}
.news-list-title .dot{width:7px;height:7px;border-radius:50%;background:var(--gold);}
.list-item{display:grid;grid-template-columns:1fr auto;gap:16px;padding:19px 0;border-bottom:1px solid var(--line);transition:padding-left .25s;}
.list-item:last-child{border-bottom:none;}
.list-item:hover{padding-left:6px;}
.list-item .li-info{min-width:0;}
.list-item .li-cat{display:block;font-size:12px;font-weight:650;color:var(--gold);margin-bottom:6px;letter-spacing:.04em;}
.list-item h4{font-size:16px;font-weight:700;line-height:1.5;color:var(--deep);margin-bottom:5px;}
.list-item h4 a{transition:color .25s;}
.list-item h4 a:hover{color:var(--gold);}
.list-item .li-meta{display:flex;gap:10px;align-items:center;font-size:12px;color:var(--muted);}
.list-item .li-sum{color:var(--muted);font-size:13px;line-height:1.7;margin-top:4px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.list-item .li-thumb{width:92px;height:66px;border-radius:6px;overflow:hidden;background:var(--deep);flex-shrink:0;}
.list-item .li-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s;}
.list-item:hover .li-thumb img{transform:scale(1.06);}
.list-item .li-thumb.placeholder{display:grid;place-items:center;color:#e2dccd;font-size:13px;font-weight:700;}

/* Feature selection */
.featured-block{background:#EFEBE1;}
.feature-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:26px;}
.feature-main{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:var(--deep);box-shadow:var(--shadowSm);display:block;min-height:520px;}
.feature-main img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;opacity:.82;transition:transform .8s,opacity .5s;}
.feature-main:hover img{transform:scale(1.05);opacity:.7;}
.feature-main .ft-mask{position:absolute;inset:auto 0 0 0;background:linear-gradient(to top,rgba(10,33,28,.95),rgba(10,33,28,.2),transparent);padding:44px 30px 30px;}
.feature-main .ft-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(216,242,110,.14);color:var(--lime);border:1px solid rgba(216,242,110,.35);font-size:12px;font-weight:700;padding:6px 12px;border-radius:999px;margin-bottom:16px;}
.feature-main h3{color:#fff;font-size:clamp(1.4rem,1.9vw,1.9rem);line-height:1.4;font-weight:760;margin-bottom:10px;max-width:560px;}
.feature-main p{color:rgba(255,255,255,.75);font-size:15px;line-height:1.8;margin-bottom:20px;max-width:580px;}
.feature-main .btn{padding:11px 22px;font-size:14px;}

.feature-side{display:grid;grid-template-rows:1fr 1fr;gap:26px;}
.feature-card{display:grid;grid-template-columns:1fr;align-content:end;position:relative;min-height:247px;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:var(--deep);}
.feature-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.82;transition:transform .7s,opacity .5s;}
.feature-card:hover img{transform:scale(1.06);opacity:.68;}
.feature-card .ft-copy{position:relative;z-index:2;padding:30px 24px 22px;background:linear-gradient(to top,rgba(10,33,28,.88),transparent);}
.feature-card .badge{display:inline-block;color:var(--lime);font-size:12px;font-weight:700;margin-bottom:10px;letter-spacing:.06em;}
.feature-card h3{color:#fff;font-size:22px;font-weight:740;line-height:1.4;margin-bottom:6px;}
.feature-card p{color:rgba(255,255,255,.7);font-size:13px;line-height:1.7;}

/* Principles dark */
.principles{background:var(--deep);color:#e9eee5;position:relative;overflow:hidden;}
.principles::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-2.webp') center 20%/cover no-repeat;opacity:.1;transform:scale(1.01);}
.principles .wrap{position:relative;z-index:2;}
.principles .eyebrow{color:var(--gold);}
.principles .section-title{color:#fff;}
.principles .section-lead{color:rgba(233,238,229,.64);}
.principles-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:44px;}
.principle{
  border:1px solid rgba(255,255,255,.1);border-radius:var(--radius);padding:30px 22px;
  background:rgba(255,255,255,.03);transition:border-color .25s,background .25s,transform .25s;
}
.principle:hover{border-color:rgba(216,242,110,.34);background:rgba(255,255,255,.055);transform:translateY(-4px);}
.principle b{font-size:15px;font-weight:650;color:var(--lime);letter-spacing:.05em;}
.principle h3{font-size:17px;color:#fff;margin:14px 0 8px;line-height:1.45;}
.principle p{font-size:13px;color:rgba(233,238,229,.62);line-height:1.85;}

/* Scenario columns */
.scenario-block{background:var(--paper);}
.scenario-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:48px;align-items:center;}
.scenario-visual{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadowLg);}
.scenario-visual img{width:100%;object-fit:cover;min-height:100%;transition:transform .8s;}
.scenario-visual:hover img{transform:scale(1.03);}
.usage-list{display:flex;flex-direction:column;}
.usage-item{display:grid;grid-template-columns:54px 1fr;gap:22px;padding:26px 0;border-bottom:1px solid var(--line);}
.usage-item:first-child{padding-top:0;}
.usage-item .u-no{font-family:var(--fontSans);font-size:28px;font-weight:750;color:var(--gold);}
.usage-item h3{font-size:19px;font-weight:740;color:var(--deep);margin-bottom:7px;line-height:1.45;}
.usage-item p{font-size:14px;color:var(--muted);line-height:1.85;}

/* FAQ */
.faq-block{background:#EFEBE1;}
.faq-grid{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:52px;align-items:start;}
.faq-list{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadowSm);padding:8px 28px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:none;}
.faq-item details summary{
  list-style:none;display:flex;align-items:center;gap:16px;padding:21px 0;cursor:pointer;font-size:16px;font-weight:650;color:var(--deep);line-height:1.55;transition:color .2s;
}
.faq-item details summary::-webkit-details-marker{display:none;}
.faq-item details summary::after{content:"+";flex-shrink:0;margin-left:auto;width:26px;height:26px;display:grid;place-items:center;border:1px solid rgba(198,156,90,.45);border-radius:50%;color:var(--gold);font-size:18px;font-weight:300;transition:all .25s;}
.faq-item details[open] summary{color:var(--gold);}
.faq-item details[open] summary::after{content:"–";transform:rotate(180deg);background:var(--gold);border-color:var(--gold);color:var(--deep);}
.faq-item .faq-answer{padding:0 0 24px 16px;color:var(--muted);font-size:14px;line-height:1.85;max-width:680px;}
.faq-aside{position:sticky;top:120px;}
.faq-aside-card{background:var(--forest);border-radius:var(--radius);padding:40px 34px;color:#fff;border:1px solid rgba(255,255,255,.08);}
.faq-aside-card h3{font-size:24px;color:#fff;line-height:1.4;margin-bottom:14px;}
.faq-aside-card p{color:rgba(255,255,255,.65);font-size:14px;line-height:1.85;margin-bottom:26px;}
.faq-aside-card .href-link{display:inline-flex;align-items:center;color:var(--lime);font-weight:650;font-size:14px;gap:10px;}
.faq-aside-card .href-link i{transition:transform .25s;}
.faq-aside-card .href-link:hover i{transform:translateX(4px);}

/* CTA band */
.cta-band{background:var(--deep);color:#fff;padding:100px 0;position:relative;overflow:hidden;}
.cta-band::after{content:"";position:absolute;right:-90px;top:-160px;width:360px;height:360px;border:1px solid rgba(216,242,110,.12);border-radius:50%;}
.cta-band::before{content:"";position:absolute;left:8%;bottom:-220px;width:420px;height:420px;border:1px solid rgba(255,255,255,.05);border-radius:50%;}
.cta-inner{position:relative;z-index:2;display:flex;flex-direction:column;align-items:center;text-align:center;}
.cta-inner .eyebrow{color:var(--lime);}
.cta-band h2{font-size:clamp(2rem,4vw,3.7rem);font-weight:800;line-height:1.2;max-width:900px;margin:18px 0 16px;}
.cta-band p{color:rgba(255,255,255,.65);font-size:15px;line-height:1.85;max-width:640px;margin-bottom:38px;}
.cta-buttons{display:flex;gap:16px;flex-wrap:wrap;justify-content:center;}

/* Footer */
.site-footer{background:var(--forest);color:#d8ddd5;margin-top:0;}
.footer-top{display:grid;grid-template-columns:1.2fr .9fr .9fr 1fr;gap:50px;padding:76px 0 52px;}
.footer-brand .footer-logo{color:#fff;font-size:21px;font-weight:850;display:flex;align-items:center;gap:10px;margin-bottom:20px;}
.footer-brand .footer-logo i{color:var(--lime);}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.58);max-width:300px;}
.footer-col h4{font-size:14px;color:var(--lime);letter-spacing:.04em;font-weight:650;margin-bottom:22px;}
.footer-col ul li{margin-bottom:13px;}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,.6);position:relative;transition:color .25s;padding-bottom:3px;}
.footer-col ul a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--gold);transition:width .25s;}
.footer-col ul a:hover{color:#fff;}
.footer-col ul a:hover::after{width:100%;}
.footer-note{font-size:13px;line-height:1.85;color:rgba(255,255,255,.42);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:26px 0;position:relative;}
.footer-bottom .footer-line{position:absolute;left:0;top:-1px;width:90px;height:2px;background:var(--lime);}
.footer-bottom .wrap{display:flex;justify-content:space-between;gap:18px;align-items:center;flex-wrap:wrap;}
.footer-bottom .wrap p{font-size:14px;color:rgba(255,255,255,.55);}
.footer-bottom .wrap a{color:var(--gold);}

/* Responsive */
@media(max-width:1024px){
  .header-inner{grid-template-columns:auto 1fr auto;gap:10px;}
  .site-nav{justify-content:flex-start;overflow-x:auto;}
}
@media(max-width:900px){
  .section-block{padding:70px 0;}
  .news-layout{grid-template-columns:1fr;}
  .feature-grid{grid-template-columns:1fr;}
  .feature-main{min-height:430px;}
  .principles-grid{grid-template-columns:repeat(2,1fr);}
  .scenario-grid{grid-template-columns:1fr;gap:34px;}
  .faq-grid{grid-template-columns:1fr;gap:36px;}
  .faq-aside{position:static;}
  .footer-top{grid-template-columns:1fr 1fr;gap:38px;}
  .catalog-row{grid-template-columns:80px 1fr 38px;padding:24px;}
  .catalog-row .cat-desc{grid-column:2 / -1;}
}
@media(max-width:768px){
  body{padding-top:54px;}
  .site-header{height:auto;min-height:54px;}
  .header-inner{display:flex;flex-wrap:wrap;height:auto;padding:8px 0;gap:10px;}
  .header-inner .site-cta{margin-left:auto;}
  .site-nav{order:3;width:100%;justify-content:flex-start;overflow-x:auto;margin-bottom:4px;padding-bottom:5px;}
  .nav-link{font-size:13px;padding:7px 14px;}
}
@media(max-width:520px){
  .wrap{padding:0 16px;}
  .hero-inner{padding-top:90px;padding-bottom:38px;}
  .hero-min-height:auto!important;
  .hero{min-height:88vh;}
  .hero-meta{gap:20px;}
  .section-block{padding:58px 0;}
  .section-head{margin-bottom:26px;}
  .btn{padding:11px 20px;font-size:14px;}
  .catalog-row{grid-template-columns:56px 1fr 30px;padding:19px 16px;gap:14px;}
  .catalog-row .cat-no{font-size:26px;}
  .catalog-row .cat-name{font-size:17px;}
  .catalog-row .cat-desc{grid-column:2 / -1;font-size:13px;}
  .catalog-row .cat-arrow{grid-column:3;grid-row:1;}
  .spot-body{padding:18px;}
  .spot-body h3{font-size:1.25rem;}
  .list-item{grid-template-columns:1fr;}
  .list-item .li-thumb{display:none;}
  .principles-grid{grid-template-columns:1fr;}
  .feature-card{min-height:210px;}
  .usage-item{grid-template-columns:44px 1fr;gap:14px;padding:20px 0;}
  .usage-item .u-no{font-size:22px;}
  .faq-block .wrap{padding:0;}
  .faq-list{padding:4px 18px;margin:0 8px;}
  .cta-buttons .btn{width:100%;}
  .footer-top{grid-template-columns:1fr;gap:34px;padding:48px 0 30px;}
  .cta-band{padding:72px 0;}
  body{font-size:15px;}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important;}
}

/* roulang page: article */
:root{
  --bg:#F4F1E9;
  --deep:#102C25;
  --deep-2:#0A211C;
  --ink:#1B2622;
  --muted:#5E6D65;
  --gold:#C69C5A;
  --acid:#D8F26E;
  --paper:#FBF9F3;
  --line:rgba(16,44,37,0.12);
  --white:#F8F5ED;
  --font-title:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  --font-body:"Songti SC","Noto Serif CJK SC",serif;
}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-title);
  line-height:1.7;
  margin:0;
  -webkit-font-smoothing:antialiased;
}
*,*::before,*::after{box-sizing:border-box}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button{font-family:inherit}
ul,ol{padding:0;margin:0;list-style:none}
.wrap{width:min(1200px,100% - 32px);margin-inline:auto}
.container{width:min(1200px,100% - 32px);margin-inline:auto;padding-left:16px;padding-right:16px}
.skip-link{position:fixed;left:16px;top:-80px;z-index:200;background:var(--acid);color:var(--deep-2);padding:8px 16px;border-radius:999px;font-weight:700}
.skip-link:focus{top:16px}
::selection{background:var(--acid);color:var(--deep-2)}
:focus-visible{outline:3px solid var(--acid);outline-offset:2px;border-radius:4px}
h1,h2,h3,h4{line-height:1.2;margin:0}
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(7,20,16,.78);
  backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(216,242,110,.14);
}
.header-inner{display:flex;align-items:center;gap:16px;min-height:72px}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:19px;font-weight:900;letter-spacing:.02em;white-space:nowrap;color:#FDFBF4;
}
.logo-mini{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;
  background:var(--acid);color:var(--deep-2);font-size:18px;font-weight:900;
}
.site-nav{
  flex:1;display:flex;align-items:center;gap:6px;
  overflow-x:auto;scrollbar-width:none;padding:6px 0;min-width:0;
}
.site-nav::-webkit-scrollbar{display:none}
.nav-link{
  flex:0 0 auto;padding:9px 16px;border-radius:999px;
  color:rgba(255,255,255,.78);font-size:14px;font-weight:500;
  line-height:1;white-space:nowrap;border:1px solid transparent;
}
.nav-link:hover{
  color:var(--acid);background:rgba(255,255,255,.1);
}
.nav-link.active{
  background:var(--paper);color:var(--deep-2);font-weight:700;
}
.site-cta{flex:0 0 auto;display:flex;align-items:center}
.btn-bookmark,
.btn-bookmark-ghost{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--deep);color:var(--white);border:1px solid rgba(216,242,110,.3);
  padding:9px 16px;border-radius:999px;font-size:14px;font-weight:600;cursor:pointer;
  transition:transform .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn-bookmark i{transition:transform .2s ease}
.btn-bookmark:hover{background:var(--acid);color:var(--deep-2)}
.btn-bookmark:hover i{transform:translateY(-1px)}
.btn-bookmark.is-saved{background:transparent;color:var(--acid)}
.article-hero{
  position:relative;background:var(--deep-2);
  background-image:linear-gradient(180deg,rgba(10,33,28,.32),rgba(10,33,28,.82)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;color:#FDFBF4;
  padding:56px 0 64px;border-bottom:3px solid var(--gold);
}
.article-hero .crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.68);margin-bottom:30px;flex-wrap:wrap}
.article-hero .crumb a{display:inline-flex;align-items:center;gap:6px;color:var(--acid)}
.article-hero .crumb a:hover{color:var(--white)}
.crumb-sep{color:rgba(255,255,255,.35)}
.hero-kicker{display:flex;align-items:center;gap:12px;margin-bottom:18px;flex-wrap:wrap}
.hero-kicker .cat-pill{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--acid);color:var(--deep-2);border-radius:999px;
  padding:6px 13px;font-size:13px;font-weight:800;letter-spacing:.02em;
}
.hero-kicker .source-pill{
  display:inline-flex;align-items:center;gap:7px;border:1px solid rgba(255,255,255,.28);
  border-radius:999px;padding:6px 13px;font-size:13px;color:rgba(255,255,255,.82);
}
.article-hero h1{
  max-width:900px;font-size:clamp(1.9rem,4.2vw,3.5rem);
  font-weight:850;line-height:1.18;margin-bottom:26px;letter-spacing:.01em;
}
.article-meta-top{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));
  gap:0;border:1px solid rgba(255,255,255,.18);border-radius:6px;
  background:rgba(255,255,255,.05);backdrop-filter:blur(4px);max-width:760px;
}
.article-meta-top div{
  padding:14px 18px;font-size:13px;color:rgba(255,255,255,.8);
  display:flex;align-items:center;gap:10px;
}
.article-meta-top div+div{border-left:1px solid rgba(255,255,255,.14)}
.article-meta-top i{color:var(--acid);width:16px;text-align:center}
.article-main{padding:64px 0 50px}
.article-layout{
  display:grid;grid-template-columns:1fr;
  max-width:860px;margin-inline:auto;
}
.article-content-col{max-width:800px;margin-inline:auto}
.article-body{
  font-family:var(--font-body);font-size:17px;line-height:1.95;
  color:#1E2E28;word-break:break-word;
}
.article-body p{margin:0 0 1.6em}
.article-body h1,.article-body h2,.article-body h3,.article-body h4{font-family:var(--font-title)}
.article-body h2{
  font-size:1.5em;font-weight:800;color:var(--deep-2);
  margin:1.8em 0 .9em;padding-left:18px;position:relative;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;width:5px;height:.9em;
  background:var(--gold);border-radius:999px;
}
.article-body h3{
  font-size:1.2em;font-weight:750;color:var(--deep);
  margin:1.6em 0 .7em;border-left:3px solid rgba(198,156,90,.55);
  padding-left:12px;
}
.article-body img{
  border-radius:6px;height:auto;margin:1.8em auto 1em;
  box-shadow:0 14px 30px rgba(16,44,37,.08);
}
.article-body a{color:#9A6B1E;text-decoration:underline;text-underline-offset:3px;text-decoration-color:rgba(154,107,30,.35)}
.article-body a:hover{color:var(--deep-2);text-decoration-color:var(--deep-2)}
.article-body blockquote{
  border-left:3px solid var(--gold);
  padding:14px 24px;margin:1.8em 0;font-size:1.04em;
  background:rgba(16,44,37,.025);color:#34483F;border-radius:0 6px 6px 0;
}
.article-body blockquote p:last-child{margin-bottom:0}
.tag-panel{
  max-width:800px;margin:28px auto 0;display:flex;align-items:flex-start;gap:16px;
  padding:24px 0 8px;border-top:1px solid var(--line);flex-wrap:wrap;
}
.tag-panel-title{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:800;color:var(--deep);letter-spacing:.06em;
  padding-top:4px;
}
.tag-items{display:flex;flex-wrap:wrap;gap:8px}
.tag-item{
  display:inline-block;border:1px solid var(--line);background:rgba(255,255,255,.7);
  border-radius:999px;padding:6px 14px;font-size:13px;color:var(--muted);
  transition:all .2s ease;
}
.tag-item:hover{border-color:var(--deep);background:var(--deep);color:var(--paper)}
.article-cta{
  background:var(--deep);color:var(--paper);
  padding:54px 0;border-top:3px solid var(--acid);margin-top:34px;
}
.article-cta-inner{
  display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center;
}
.article-cta h2{font-size:clamp(1.5rem,2.6vw,2.2rem);font-weight:850;margin:0 0 8px}
.article-cta p{color:rgba(255,255,255,.68);font-size:15px;margin:0}
.cta-buttons{display:flex;flex-wrap:wrap;gap:12px}
.btn-acid{
  display:inline-flex;align-items:center;gap:9px;
  background:var(--acid);color:var(--deep-2);border-radius:999px;
  padding:13px 22px;font-weight:800;font-size:14px;border:1px solid var(--acid);
  cursor:pointer;transition:transform .2s ease,background .2s ease,box-shadow .2s ease;
}
.btn-acid:hover{transform:translateY(-3px);box-shadow:0 12px 24px rgba(216,242,110,.22)}
.btn-acid.is-saved{background:transparent;color:var(--acid);transform:none}
.btn-ghost{
  display:inline-flex;align-items:center;gap:9px;
  background:transparent;color:var(--paper);border:1px solid rgba(255,255,255,.55);
  border-radius:999px;padding:13px 20px;font-size:14px;font-weight:700;cursor:pointer;
  transition:all .2s ease;
}
.btn-ghost:hover{background:var(--paper);color:var(--deep);transform:translateY(-2px)}
.related-section{padding:80px 0 60px;background:rgba(255,255,255,.32)}
.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:34px}
.section-heading .no{
  font-size:13px;font-weight:800;color:var(--gold);letter-spacing:.14em;
  display:block;margin-bottom:6px;
}
.section-heading h2{font-size:clamp(1.7rem,3vw,2.5rem);font-weight:850;color:var(--deep-2)}
.section-heading-link{font-size:14px;font-weight:600;color:var(--muted)}
.section-heading-link:hover{color:var(--gold)}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.related-card{
  position:relative;background:var(--paper);border:1px solid var(--line);
  border-radius:6px;overflow:hidden;box-shadow:0 2px 6px rgba(16,44,37,.04);
  transition:transform .25s ease,box-shadow .25s ease;height:100%;
  display:flex;flex-direction:column;
}
.related-card:hover{transform:translateY(-5px);box-shadow:0 20px 40px rgba(16,44,37,.10)}
.related-card-img{position:relative;overflow:hidden;aspect-ratio:16/9;background:rgba(16,44,37,.08)}
.related-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .7s ease}
.related-card:hover .related-card-img img{transform:scale(1.05)}
.related-card-body{padding:22px;display:flex;flex-direction:column;flex:1}
.related-card-body .cat{
  display:inline-block;font-size:12px;font-weight:800;letter-spacing:.08em;color:var(--gold);
  margin-bottom:10px;
}
.related-card-body h3{font-size:20px;font-weight:800;color:var(--deep-2);line-height:1.35;margin-bottom:8px}
.related-card-body p{font-size:14px;color:var(--muted);line-height:1.75;margin:0 0 18px;flex:1}
.card-link{
  display:inline-flex;align-items:center;gap:8px;font-weight:800;font-size:14px;color:var(--deep-2);
  transition:gap .2s ease,color .2s ease;
}
.card-link i{color:var(--gold)}
.card-link:hover{color:#8B641E}
.card-link:hover{gap:12px}
.faq-section{padding:72px 0 60px;background:var(--deep);color:var(--paper)}
.faq-section .section-heading h2{color:#FDFBF4}
.faq-section .section-heading-link{color:rgba(255,255,255,.7)}
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.faq-item{
  background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.12);
  border-radius:6px;padding:4px 20px;transition:border-color .2s ease,background .2s ease;
}
.faq-item:hover{border-color:rgba(198,156,90,.45);background:rgba(255,255,255,.08)}
.faq-item summary{
  cursor:pointer;font-weight:750;font-size:16px;list-style:none;display:flex;
  align-items:center;justify-content:space-between;gap:14px;padding:16px 0;color:#F6F3EA;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary i{color:var(--gold);font-size:20px;transition:transform .2s ease}
.faq-item[open] summary i{transform:rotate(180deg)}
.faq-item .faq-answer{color:rgba(255,255,255,.7);font-size:15px;line-height:1.8;padding:0 0 18px;border-top:1px solid rgba(255,255,255,.1);padding-top:14px}
.faq-item .faq-answer a{color:var(--acid);text-decoration:underline;text-underline-offset:3px}
.catalog-section{background:var(--bg);padding:64px 0 0;scroll-margin-top:80px}
.not-found{padding:120px 20px;text-align:center}
.not-found h1{font-size:clamp(2rem,5vw,3.4rem);color:var(--deep-2);font-weight:900;margin-bottom:12px}
.not-found p{color:var(--muted);margin-bottom:28px}
.back-link{
  display:inline-flex;align-items:center;gap:10px;background:var(--deep);
  color:var(--paper);padding:13px 26px;border-radius:999px;font-weight:800;
  transition:all .25s ease;
}
.back-link:hover{background:var(--acid);color:var(--deep-2)}
.site-footer{background:var(--deep-2);color:rgba(255,255,255,.76)}
.footer-top{
  display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;
  gap:42px;padding:58px 0 42px;
}
.footer-logo{
  display:inline-flex;align-items:center;gap:10px;
  color:#FDFBF4;font-size:19px;font-weight:900;margin-bottom:12px;
}
.footer-logo i{color:var(--acid)}
.footer-brand p{font-size:14px;line-height:1.85;max-width:280px;margin:0;color:rgba(255,255,255,.6)}
.footer-col h4{
  color:#FDFBF4;font-size:15px;font-weight:800;letter-spacing:.04em;
  margin-bottom:16px;
}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a,.footer-col p.footer-note{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6)}
.footer-col ul a:hover{color:var(--gold)}
.footer-note{margin:0}
.site-footer .footer-col ul a{
  text-decoration:none;box-shadow:0 1px 0 rgba(198,156,90,.4);padding-bottom:1px;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:24px 0 32px;
  display:flex;
}
.footer-line{display:block;width:120px;height:3px;background:var(--acid);border-radius:999px;margin-bottom:22px}
.footer-bottom p{
  font-size:13px;color:rgba(255,255,255,.48);margin:0;
  display:flex;justify-content:space-between;gap:12px;
}
.footer-bottom a{color:rgba(255,255,255,.55)}
.footer-bottom a:hover{color:var(--acid)}
.site-footer .footer-bottom p{display:block}
@media (max-width:1100px){
  .footer-top{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1/-1}
}
@media (max-width:900px){
  .article-cta-inner{grid-template-columns:1fr}
  .cta-buttons{flex-wrap:wrap}
  .related-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:768px){
  .wrap,.container{width:min(100% - 24px,1200px);padding-left:0;padding-right:0}
  .logo{font-size:17px}
  .logo-mini{width:30px;height:30px;font-size:16px}
  .header-inner{flex-wrap:nowrap;gap:12px}
  .site-cta .btn-bookmark .bk-text{display:none}
  .btn-bookmark{padding:9px 12px}
  .article-hero{padding:42px 0 48px}
  .article-meta-top{grid-template-columns:1fr}
  .article-meta-top div+div{border-left:0;border-top:1px solid rgba(255,255,255,.14)}
  .article-main{padding:40px 0}
  .related-grid{grid-template-columns:1fr}
  .faq-grid{grid-template-columns:1fr}
  .section-heading{align-items:flex-start;flex-direction:column;gap:10px}
  .footer-top{grid-template-columns:1fr;gap:36px;padding:44px 0 36px}
}
@media (max-width:520px){
  .site-header{min-height:64px}
  .header-inner{min-height:64px}
  .nav-link{padding:8px 13px;font-size:13px}
  .article-hero h1{font-size:2rem}
  .article-body{font-size:16px}
  .tag-panel{flex-direction:column;gap:12px}
  .article-cta{padding:42px 0}
  .cta-buttons .btn-acid,.cta-buttons .btn-ghost{width:100%;justify-content:center}
  .footer-bottom p{flex-direction:column;gap:8px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: category1 */
:root {
        --bg: #F4F1E9;
        --surface: #FFFFFF;
        --deep: #102C25;
        --ink: #0A211C;
        --body: #1B2622;
        --muted: #5E6D65;
        --gold: #C69C5A;
        --lime: #D8F26E;
        --line: rgba(16, 44, 37, 0.12);
        --line-deep: rgba(244, 241, 233, 0.16);
        --radius: 6px;
        --shadow: 0 2px 6px rgba(16, 44, 37, 0.04);
        --shadow-lg: 0 20px 40px rgba(16, 44, 37, 0.10);
        --header-h: 72px;
        --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
        --font-serif: "Songti SC", "Noto Serif CJK SC", serif;
    }
    * {
        box-sizing: border-box;
    }
    html {
        scroll-padding-top: 84px;
    }
    body {
        margin: 0;
        background: var(--bg);
        color: var(--body);
        font-family: var(--font-sans);
        font-size: 16px;
        line-height: 1.75;
        -webkit-text-size-adjust: 100%;
    }
    body {
        padding-top: var(--header-h);
    }
    a {
        color: inherit;
        text-decoration: none;
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
    }
    button {
        font-family: inherit;
        cursor: pointer;
    }
    h1, h2, h3, h4, p, ul, ol, figure {
        margin: 0;
    }
    ul, ol {
        padding-left: 0;
        list-style: none;
    }
    .wrap {
        width: min(1200px, 100%);
        margin: 0 auto;
        padding-left: 16px;
        padding-right: 16px;
    }
    @media (min-width: 768px) {
        .wrap {
            padding-left: 24px;
            padding-right: 24px;
        }
    }
    .site-header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 100;
        background: rgba(10, 33, 28, 0.92);
        -webkit-backdrop-filter: blur(14px);
        backdrop-filter: blur(14px);
        border-bottom: 1px solid rgba(244, 241, 233, 0.06);
    }
    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        min-height: var(--header-h);
    }
    .logo {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        color: #fff;
        font-size: 18px;
        font-weight: 800;
        letter-spacing: 0.01em;
        white-space: nowrap;
    }
    .logo-mini {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 30px;
        height: 30px;
        border-radius: 4px;
        background: var(--lime);
        color: var(--ink);
        font-weight: 900;
        font-size: 16px;
    }
    .site-nav {
        display: flex;
        align-items: center;
        gap: 6px;
        padding: 4px;
        background: rgba(255, 255, 255, 0.06);
        border-radius: 999px;
    }
    .nav-link {
        display: inline-block;
        white-space: nowrap;
        padding: 8px 17px;
        border-radius: 999px;
        color: rgba(244, 241, 233, 0.86);
        font-size: 14px;
        font-weight: 500;
        transition: color 0.2s ease, background 0.2s ease;
    }
    .nav-link:hover {
        color: var(--lime);
        background: rgba(255, 255, 255, 0.08);
    }
    .nav-link.active {
        background: var(--bg);
        color: var(--ink);
        font-weight: 700;
    }
    .site-cta {
        display: flex;
        align-items: center;
        justify-content: flex-end;
    }
    .btn-bookmark {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 10px 16px;
        border: 1px solid transparent;
        border-radius: 999px;
        background: var(--lime);
        color: var(--ink);
        font-size: 14px;
        font-weight: 700;
        line-height: 1;
        white-space: nowrap;
        transition: transform 0.2s ease, filter 0.2s ease, background 0.2s ease, border 0.2s ease;
    }
    .btn-bookmark:hover {
        background: #c8e659;
        transform: translateY(-1px);
    }
    .btn-bookmark:active {
        transform: translateY(0);
    }
    .btn-bookmark.is-saved {
        background: rgba(255, 255, 255, 0.1);
        border-color: var(--lime);
        color: var(--lime);
    }
    .btn-bookmark.is-saved .fa-solid,
    .btn-bookmark.is-saved .fa-regular {
        color: var(--lime);
    }
    a:focus-visible,
    button:focus-visible,
    summary:focus-visible {
        outline: 3px solid rgba(198, 156, 90, 0.85);
        outline-offset: 2px;
        border-radius: 4px;
    }

    .category-hero {
        position: relative;
        overflow: hidden;
        margin-top: 0;
        padding: 72px 0 90px;
        background-color: var(--deep);
        color: rgba(244, 241, 233, 0.95);
    }
    .category-hero::before {
        content: "";
        position: absolute;
        inset: 0;
        pointer-events: none;
        background-image:
            linear-gradient(rgba(198, 156, 90, 0.09) 1px, transparent 1px),
            linear-gradient(90deg, rgba(198, 156, 90, 0.09) 1px, transparent 1px);
        background-size: 56px 56px;
        mask-image: linear-gradient(to right, transparent, #000, transparent);
        -webkit-mask-image: linear-gradient(to right, transparent, #000, transparent);
    }
    .category-hero .wrap {
        position: relative;
        z-index: 1;
    }
    .crumb {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 8px;
        font-size: 13px;
        letter-spacing: 0.01em;
        color: rgba(244, 241, 233, 0.55);
        margin-bottom: 42px;
    }
    .crumb a {
        transition: color 0.2s ease;
    }
    .crumb a:hover {
        color: var(--gold);
    }
    .crumb-sep {
        opacity: 0.45;
    }
    .category-hero h1 {
        max-width: 980px;
        color: #ffffff;
        font-size: clamp(2.2rem, 5vw, 4.2rem);
        font-weight: 800;
        line-height: 1.12;
        letter-spacing: -0.02em;
        margin-bottom: 20px;
    }
    .hero-lead {
        max-width: 820px;
        color: rgba(244, 241, 233, 0.82);
        font-size: 17px;
        line-height: 1.9;
        margin-bottom: 26px;
    }
    .hero-lead strong {
        color: #fff;
        font-weight: 700;
    }
    .hero-actions {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 12px;
        margin-bottom: 40px;
    }
    .btn-solid,
    .btn-outline,
    .btn-lime {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 10px;
        padding: 12px 22px;
        border-radius: 999px;
        font-size: 15px;
        font-weight: 700;
        line-height: 1;
        transition: background 0.2s ease, color 0.2s ease, border 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
    }
    .btn-solid {
        background: var(--bg);
        color: var(--ink);
        border: 1px solid var(--bg);
    }
    .btn-solid:hover {
        background: #ffffff;
        transform: translateX(2px);
    }
    .btn-lime {
        border: 1px solid var(--lime);
        background: var(--lime);
        color: var(--ink);
    }
    .btn-lime:hover {
        background: #c8e659;
        transform: translateX(2px);
    }
    .btn-outline {
        border: 1px solid rgba(244, 241, 233, 0.35);
        color: var(--bg);
        background: transparent;
    }
    .btn-outline:hover {
        border-color: var(--lime);
        color: var(--lime);
        transform: translateX(2px);
    }
    .hero-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        color: rgba(244, 241, 233, 0.68);
        font-size: 13px;
    }
    .hero-tags span {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 6px 12px;
        border: 1px solid rgba(244, 241, 233, 0.13);
        border-radius: 999px;
        background: rgba(255, 255, 255, 0.03);
    }
    .hero-tags i {
        color: var(--gold);
    }

    .quick-rail {
        position: sticky;
        top: var(--header-h);
        z-index: 50;
        margin: 0 auto;
        padding: 14px 0;
        background: rgba(244, 241, 233, 0.94);
        -webkit-backdrop-filter: blur(10px);
        backdrop-filter: blur(10px);
        border-bottom: 1px solid var(--line);
    }
    .quick-rail .wrap {
        display: flex;
        align-items: center;
        gap: 10px;
        overflow-x: auto;
        scrollbar-width: none;
    }
    .quick-rail .wrap::-webkit-scrollbar {
        display: none;
    }
    .quick-link {
        display: inline-flex;
        align-items: center;
        gap: 7px;
        white-space: nowrap;
        padding: 8px 15px;
        border-radius: 999px;
        font-size: 14px;
        font-weight: 600;
        color: var(--muted);
        transition: background 0.2s ease, color 0.2s ease;
    }
    .quick-link i {
        color: var(--gold);
        font-size: 12px;
    }
    .quick-link:hover {
        background: #fff;
        color: var(--ink);
        box-shadow: var(--shadow);
    }

    .module {
        padding: 96px 0;
    }
    @media (max-width: 767px) {
        .module {
            padding: 56px 0;
        }
    }
    .module-bg-light {
        background: var(--surface);
    }
    .module-bg-deep {
        background: var(--deep);
        color: rgba(244, 241, 233, 0.86);
    }
    .module-head {
        max-width: 760px;
        margin-bottom: 46px;
    }
    .module-head.center {
        margin-left: auto;
        margin-right: auto;
        text-align: center;
    }
    .module-kicker {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-size: 14px;
        font-weight: 700;
        letter-spacing: 0.1em;
        color: var(--gold);
        margin-bottom: 14px;
    }
    .module-head h2,
    .module-head h3 {
        color: var(--ink);
        font-size: clamp(1.8rem, 3vw, 2.5rem);
        font-weight: 750;
        line-height: 1.18;
        letter-spacing: -0.01em;
        margin-bottom: 14px;
    }
    .module-head p {
        color: var(--muted);
        font-size: 16px;
        line-height: 1.8;
    }
    .module-bg-deep .module-head h2,
    .module-bg-deep .module-head h3 {
        color: #ffffff;
    }
    .module-bg-deep .module-head p {
        color: rgba(244, 241, 233, 0.62);
    }

    .split-feature-list {
        display: flex;
        flex-direction: column;
        gap: 26px;
    }
    .feature-row {
        display: grid;
        grid-template-columns: 7fr 5fr;
        align-items: stretch;
        border: 1px solid var(--line);
        border-radius: 10px;
        overflow: hidden;
        background: #fff;
        box-shadow: var(--shadow);
        transition: box-shadow 0.35s ease, transform 0.35s ease;
    }
    .feature-row:nth-child(even) {
        grid-template-columns: 5fr 7fr;
    }
    .feature-row:nth-child(even) .feature-media {
        order: 2;
    }
    .feature-row:nth-child(even) .feature-content {
        order: 1;
    }
    .feature-row:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-lg);
    }
    .feature-media {
        overflow: hidden;
        min-height: 260px;
        background: var(--deep);
    }
    .feature-media img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.7s ease;
    }
    .feature-row:hover .feature-media img {
        transform: scale(1.05);
    }
    .feature-content {
        display: flex;
        flex-direction: column;
        justify-content: center;
        padding: 42px 46px;
    }
    .feature-content .tag {
        align-self: flex-start;
        margin-bottom: 18px;
    }
    .feature-content h3 {
        color: var(--ink);
        font-size: 24px;
        font-weight: 750;
        line-height: 1.3;
        margin-bottom: 14px;
    }
    .feature-content p {
        color: var(--muted);
        font-size: 16px;
        line-height: 1.85;
        margin-bottom: 18px;
    }
    .feature-list {
        display: flex;
        flex-direction: column;
        gap: 7px;
    }
    .feature-list li {
        position: relative;
        padding-left: 22px;
        color: var(--deep);
        font-size: 14px;
    }
    .feature-list li::before {
        content: "";
        position: absolute;
        left: 0;
        top: 0.72em;
        width: 9px;
        height: 2px;
        background: var(--gold);
    }
    .feature-link {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        margin-top: 22px;
        color: var(--deep);
        font-size: 15px;
        font-weight: 700;
        transition: gap 0.2s ease, color 0.2s ease;
    }
    .feature-link i {
        color: var(--gold);
        transition: transform 0.2s ease;
    }
    .feature-link:hover {
        color: var(--gold);
        gap: 12px;
    }

    .tag {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 5px 14px;
        border-radius: 999px;
        background: rgba(198, 156, 90, 0.13);
        color: #876c3b;
        font-size: 13px;
        font-weight: 600;
        line-height: 1;
    }
    .tag-gold {
        border: 1px solid rgba(198, 156, 90, 0.28);
        background: rgba(198, 156, 90, 0.13);
        color: #876c3b;
    }
    .tag-soft {
        background: rgba(216, 242, 110, 0.22);
        color: #44521a;
    }

    .timeline-block {
        position: relative;
        display: grid;
        grid-template-columns: 1fr 1.4fr;
        gap: 20px;
    }
    .timeline-copy {
        position: sticky;
        top: 130px;
        align-self: start;
    }
    .timeline-copy h2 {
        color: #fff;
        font-size: clamp(1.75rem, 3vw, 2.4rem);
        font-weight: 750;
        line-height: 1.2;
        margin-bottom: 16px;
    }
    .timeline-copy p {
        color: rgba(244, 241, 233, 0.62);
        max-width: 460px;
        line-height: 1.8;
    }
    .timeline {
        position: relative;
        display: flex;
        flex-direction: column;
        gap: 14px;
    }
    .timeline-item {
        position: relative;
        display: grid;
        grid-template-columns: 64px 1fr;
        gap: 18px;
        border: 1px solid rgba(244, 241, 233, 0.12);
        border-radius: 6px;
        background: rgba(255, 255, 255, 0.03);
        padding: 26px 24px;
        transition: background 0.2s ease, border 0.2s ease, transform 0.2s ease;
    }
    .timeline-item:hover {
        border-color: rgba(216, 242, 110, 0.28);
        background: rgba(255, 255, 255, 0.06);
        transform: translateX(4px);
    }
    .tl-index {
        color: var(--gold);
        font-size: 26px;
        font-weight: 800;
        letter-spacing: -0.02em;
        line-height: 1;
        font-variant-numeric: tabular-nums;
    }
    .tl-content h3 {
        color: #fff;
        font-size: 20px;
        font-weight: 700;
        margin-bottom: 8px;
    }
    .tl-content p {
        color: rgba(244, 241, 233, 0.64);
        line-height: 1.8;
    }
    @media (max-width: 900px) {
        .timeline-block {
            display: block;
        }
        .timeline-copy {
            position: static;
            margin-bottom: 32px;
        }
        .timeline-item {
            grid-template-columns: 48px 1fr;
        }
    }

    .feature-row:nth-child(even) .feature-media {
        order: 2;
    }
    .feature-row:nth-child(even) .feature-content {
        order: 1;
    }

    .split-warning {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 22px;
    }
    @media (max-width: 767px) {
        .split-warning {
            grid-template-columns: 1fr;
        }
    }
    .warning-card {
        border: 1px solid var(--line);
        border-radius: 8px;
        background: #fff;
        padding: 34px;
        box-shadow: var(--shadow);
    }
    .warning-card i {
        display: inline-flex;
        width: 42px;
        height: 42px;
        border-radius: 50%;
        align-items: center;
        justify-content: center;
        background: var(--deep);
        color: var(--lime);
        font-size: 18px;
        margin-bottom: 18px;
    }
    .warning-card h3 {
        font-size: 20px;
        font-weight: 700;
        color: var(--ink);
        margin-bottom: 10px;
    }
    .warning-card p {
        color: var(--muted);
        line-height: 1.75;
        font-size: 15px;
    }

    .cat-gallery {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 22px;
    }
    @media (max-width: 767px) {
        .cat-gallery {
            grid-template-columns: 1fr;
        }
    }
    .gallery-card {
        position: relative;
        overflow: hidden;
        border-radius: 8px;
        border: 1px solid var(--line);
        background: var(--deep);
        min-height: 300px;
        box-shadow: var(--shadow);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
    }
    .gallery-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-lg);
    }
    .gallery-card img {
        width: 100%;
        height: 300px;
        object-fit: cover;
        opacity: 0.82;
        transition: transform 0.7s ease, opacity 0.3s ease;
    }
    .gallery-card:hover img {
        transform: scale(1.05);
        opacity: 0.96;
    }
    .gallery-card-body {
        position: absolute;
        inset: auto 0 0 0;
        z-index: 1;
        padding: 30px 28px 24px;
        background: linear-gradient(to top, rgba(10, 33, 28, 0.92), rgba(10, 33, 28, 0));
        color: #fff;
    }
    .gallery-card-body .tag {
        margin-bottom: 12px;
    }
    .gallery-card-body h3 {
        color: #fff;
        font-size: 22px;
        font-weight: 750;
        margin-bottom: 8px;
    }
    .gallery-card-body p {
        font-size: 14px;
        line-height: 1.75;
        color: rgba(255, 255, 255, 0.7);
    }

    .note-strip {
        border-left: 3px solid var(--gold);
        margin: 46px 0 10px;
        padding: 10px 0 8px 22px;
        color: var(--muted);
        font-size: 14px;
    }
    .note-strip a {
        color: var(--deep);
        text-decoration: underline;
        text-underline-offset: 3px;
    }
    .note-strip a:hover {
        color: var(--gold);
    }

    .faq-grid {
        padding-top: 8px;
        display: flex;
        flex-direction: column;
        gap: 0;
        border-top: 1px solid var(--line);
    }
    .faq-item {
        border-bottom: 1px solid var(--line);
        background: rgba(255, 255, 255, 0.42);
        transition: background 0.25s ease;
    }
    .faq-item:hover {
        background: var(--surface);
    }
    .faq-item summary {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 20px;
        list-style: none;
        padding: 24px 6px;
        color: var(--ink);
        font-weight: 700;
        font-size: 17px;
        cursor: pointer;
    }
    .faq-item summary::-webkit-details-marker {
        display: none;
    }
    .faq-item summary i {
        color: var(--gold);
        transition: transform 0.25s ease;
    }
    .faq-item[open] summary i {
        transform: rotate(45deg);
    }
    .faq-ans {
        padding: 0 6px 24px;
        color: var(--muted);
        line-height: 1.9;
        max-width: 880px;
    }

    .save-cta {
        position: relative;
        overflow: hidden;
        background: var(--ink);
        color: #fff;
        padding: 90px 0;
    }
    .save-cta::after {
        content: "SAVE";
        position: absolute;
        right: -12px;
        bottom: -54px;
        color: rgba(255, 255, 255, 0.03);
        font-size: clamp(5rem, 14vw, 12rem);
        font-weight: 900;
        line-height: 1;
        letter-spacing: -0.04em;
        pointer-events: none;
        white-space: nowrap;
    }
    .save-cta .wrap {
        position: relative;
        z-index: 1;
        text-align: center;
        max-width: 760px;
    }
    .save-cta h2 {
        font-size: clamp(1.8rem, 3.4vw, 2.8rem);
        font-weight: 800;
        margin-bottom: 14px;
        line-height: 1.2;
    }
    .save-cta p {
        color: rgba(255, 255, 255, 0.7);
        font-size: 16px;
        line-height: 1.8;
        margin-bottom: 28px;
    }
    .save-actions {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 12px;
    }

    .site-footer {
        background: var(--deep);
        color: rgba(244, 241, 233, 0.72);
    }
    .footer-top {
        display: grid;
        grid-template-columns: 1.4fr 0.8fr 0.9fr 1fr;
        gap: 40px;
        padding-top: 80px;
        padding-bottom: 56px;
    }
    @media (max-width: 1024px) {
        .footer-top {
            grid-template-columns: 1fr 1fr;
        }
    }
    @media (max-width: 600px) {
        .footer-top {
            grid-template-columns: 1fr;
            padding-top: 50px;
            padding-bottom: 30px;
            gap: 30px;
        }
    }
    .footer-brand .logo-style {
        color: #fff;
        font-size: 22px;
        font-weight: 800;
        display: inline-flex;
        align-items: center;
        gap: 12px;
        margin-bottom: 18px;
    }
    .footer-brand p {
        font-size: 14px;
        line-height: 1.85;
        max-width: 320px;
        color: rgba(244, 241, 233, 0.6);
    }
    .footer-col h4 {
        color: #fff;
        font-size: 15px;
        letter-spacing: 0.12em;
        margin-bottom: 20px;
    }
    .footer-col ul {
        display: flex;
        flex-direction: column;
        gap: 10px;
    }
    .footer-col ul a {
        font-size: 14px;
        color: rgba(244, 241, 233, 0.72);
        transition: color 0.2s ease;
    }
    .footer-col ul a:hover {
        color: var(--gold);
    }
    .footer-note {
        font-size: 13px;
        line-height: 1.9;
        color: rgba(244, 241, 233, 0.54);
        max-width: 260px;
    }
    .footer-bottom {
        border-top: 1px solid rgba(244, 241, 233, 0.14);
    }
    .footer-line {
        display: block;
        height: 2px;
        width: 46px;
        background: var(--lime);
        margin-top: -1px;
    }
    .footer-bottom .wrap {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        padding-top: 20px;
        padding-bottom: 24px;
        font-size: 13px;
        color: rgba(244, 241, 233, 0.5);
    }
    .footer-bottom a {
        color: rgba(244, 241, 233, 0.7);
        text-decoration: underline;
        text-underline-offset: 3px;
    }
    .footer-bottom a:hover {
        color: var(--lime);
    }

    @media (max-width: 900px) {
        :root {
            --header-h: 108px;
        }
        .site-header .header-inner {
            flex-wrap: wrap;
            min-height: var(--header-h);
            padding-top: 8px;
            padding-bottom: 8px;
            row-gap: 6px;
        }
        .logo {
            flex: 1 1 auto;
        }
        .site-nav {
            order: 3;
            width: 100%;
            justify-content: flex-start;
            overflow-x: auto;
            border-radius: 14px;
            scrollbar-width: none;
        }
        .site-nav::-webkit-scrollbar {
            display: none;
        }
        .nav-link {
            padding: 7px 14px;
            font-size: 13px;
        }
        .category-hero {
            padding: 40px 0 58px;
        }
        .crumb {
            margin-bottom: 26px;
        }
        .category-hero h1 {
            font-size: 34px;
        }
        .hero-lead {
            font-size: 15px;
        }
        .quick-rail {
            top: 108px;
        }
        .feature-row,
        .feature-row:nth-child(even) {
            grid-template-columns: 1fr;
        }
        .feature-row:nth-child(even) .feature-media {
            order: 0;
        }
        .feature-row:nth-child(even) .feature-content {
            order: 1;
        }
        .feature-media {
            min-height: 220px;
        }
        .feature-content {
            padding: 28px;
        }
        .quick-rail .wrap {
            display: flex;
            gap: 6px;
            width: 100%;
        }
        .quick-link {
            padding: 7px 12px;
            font-size: 13px;
        }
    }
    @media (max-width: 520px) {
        body {
            font-size: 15px;
        }
        .site-header .header-inner {
            gap: 8px;
        }
        .logo {
            font-size: 16px;
            gap: 7px;
        }
        .logo-mini {
            width: 25px;
            height: 25px;
            font-size: 14px;
        }
        .btn-bookmark {
            padding: 9px 12px;
            font-size: 13px;
        }
        .category-hero h1 {
            font-size: 32px;
        }
        .hero-lead {
            font-size: 15px;
        }
        .hero-actions .btn-solid,
        .hero-actions .btn-outline,
        .hero-actions .btn-lime {
            width: 100%;
        }
        .feature-content {
            padding: 26px 22px;
        }
        .feature-content h3 {
            font-size: 21px;
        }
        .feature-list li {
            font-size: 14px;
        }
        .warning-card {
            padding: 24px 20px;
        }
        .gallery-card-body {
            padding: 20px 18px 18px;
        }
        .gallery-card-body h3 {
            font-size: 18px;
        }
        .gallery-card-body p {
            font-size: 13px;
        }
        .timeline-item {
            padding: 20px 14px;
            grid-template-columns: 40px 1fr;
        }
        .tl-index {
            font-size: 20px;
        }
        .faq-item summary {
            font-size: 15px;
            padding: 18px 0;
        }
        .faq-ans {
            font-size: 15px;
        }
        .module {
            padding: 46px 0;
        }
        .save-cta {
            padding: 60px 0;
        }
        .save-actions .btn-bookmark,
        .save-actions .btn-solid,
        .save-actions .btn-outline {
            width: 100%;
        }
    }
    @media (prefers-reduced-motion: reduce) {
        *,
        *::before,
        *::after {
            animation-duration: 0.001s !important;
            transition-duration: 0.001s !important;
            scroll-behavior: auto !important;
        }
    }

/* roulang page: category2 */
:root {
      --bg: #F4F1E9;
      --deep: #102C25;
      --brand: #0A211C;
      --ink: #1B2622;
      --muted: #5E6D65;
      --gold: #C69C5A;
      --lime: #D8F26E;
      --line: rgba(16, 44, 37, 0.12);
      --card: #FAF8F2;
      --white: #FFFDF8;
      --radius: 6px;
      --shadow: 0 2px 6px rgba(16, 44, 37, 0.04);
      --shadow-lg: 0 20px 40px rgba(16, 44, 37, 0.10);
      --font-title: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      background: var(--bg);
      color: var(--ink);
      font-family: var(--font-title);
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
    }

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

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

    button {
      font-family: inherit;
      border: 0;
      cursor: pointer;
    }

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

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

    .wrap {
      width: min(1200px, 100% - 2rem);
      margin: 0 auto;
    }

    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 60;
      background: rgba(10, 33, 28, 0.88);
      -webkit-backdrop-filter: blur(14px);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      transition: background 0.3s ease;
    }

    .header-inner {
      min-height: 72px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      padding-top: 8px;
      padding-bottom: 8px;
    }

    .logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      color: #fff;
      font-weight: 800;
      font-size: 18px;
      letter-spacing: 0.02em;
      white-space: nowrap;
    }

    .logo-mini {
      width: 32px;
      height: 32px;
      display: grid;
      place-items: center;
      border-radius: 4px;
      background: rgba(216, 242, 110, 0.10);
      border: 1px solid rgba(216, 242, 110, 0.65);
      color: var(--lime);
      font-weight: 800;
      font-size: 16px;
    }

    .site-nav {
      display: flex;
      align-items: center;
      gap: 6px;
      padding: 4px;
      background: rgba(255, 255, 255, 0.06);
      border-radius: 999px;
    }

    .nav-link {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 34px;
      padding: 0 15px;
      border-radius: 999px;
      color: rgba(255, 255, 255, 0.78);
      font-size: 14px;
      font-weight: 500;
      white-space: nowrap;
      transition: color 0.2s ease, background 0.2s ease, transform 0.2s ease;
    }

    .nav-link:hover {
      color: var(--lime);
      background: rgba(255, 255, 255, 0.10);
    }

    .nav-link.active {
      background: var(--bg);
      color: var(--brand);
      font-weight: 700;
    }

    .site-cta {
      display: grid;
      place-items: center;
    }

    .btn-bookmark {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 36px;
      padding: 0 14px;
      background: rgba(255, 255, 255, 0.12);
      border: 1px solid rgba(255, 255, 255, 0.16);
      border-radius: 999px;
      color: #fff;
      font-size: 14px;
      font-weight: 600;
      transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
    }

    .btn-bookmark i {
      transition: transform 0.2s ease;
    }

    .btn-bookmark:hover {
      background: var(--lime);
      border-color: var(--lime);
      color: var(--brand);
    }

    .btn-bookmark:hover i {
      transform: rotate(-8deg) scale(1.06);
    }

    .btn-bookmark.is-done {
      background: transparent;
      border-color: var(--lime);
      color: var(--lime);
    }

    .page-hero {
      background: var(--deep);
      color: #fff;
      padding: 148px 0 42px;
      position: relative;
      overflow: hidden;
    }

    .page-hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(rgba(216, 242, 110, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(216, 242, 110, 0.05) 1px, transparent 1px);
      background-size: 44px 44px;
      pointer-events: none;
    }

    .page-hero::after {
      content: "";
      position: absolute;
      left: 0;
      bottom: 0;
      width: 180px;
      height: 4px;
      background: var(--lime);
    }

    .hero-inner {
      position: relative;
      z-index: 2;
    }

    .hero-breadcrumb {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 8px;
      font-size: 13px;
      color: rgba(255, 255, 255, 0.58);
      margin-bottom: 26px;
    }

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

    .hero-breadcrumb a:hover {
      color: var(--lime);
    }

    .hero-breadcrumb .sep {
      color: rgba(255, 255, 255, 0.24);
    }

    .hero-breadcrumb .current {
      color: rgba(255, 255, 255, 0.92);
    }

    .hero-tagline {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 14px;
      color: var(--lime);
      font-size: 13px;
      font-weight: 600;
      letter-spacing: 0.06em;
    }

    .hero-tagline::before {
      content: "";
      width: 24px;
      height: 1px;
      background: var(--gold);
    }

    .page-hero h1 {
      font-size: clamp(2.1rem, 5vw, 3.5rem);
      font-weight: 800;
      line-height: 1.14;
      max-width: 860px;
      letter-spacing: -0.02em;
    }

    .hero-lead {
      margin-top: 18px;
      max-width: 640px;
      color: rgba(255, 255, 255, 0.72);
      font-size: 16px;
      line-height: 1.7;
    }

    .hero-anchors {
      margin-top: 28px;
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .hero-anchor {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 14px;
      border-radius: 999px;
      border: 1px solid rgba(255, 255, 255, 0.16);
      font-size: 13px;
      color: rgba(255, 255, 255, 0.72);
      transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
    }

    .hero-anchor i {
      color: var(--gold);
      font-size: 11px;
    }

    .hero-anchor:hover {
      color: var(--lime);
      border-color: rgba(216, 242, 110, 0.5);
      background: rgba(216, 242, 110, 0.06);
    }

    .content-section {
      padding: 84px 0;
    }

    .section-header {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 28px;
      border-bottom: 1px solid var(--line);
      padding-bottom: 18px;
      margin-bottom: 34px;
    }

    .section-eyebrow {
      display: block;
      font-size: 12px;
      letter-spacing: 0.08em;
      color: var(--gold);
      font-weight: 600;
      margin-bottom: 8px;
    }

    .section-title {
      font-size: clamp(1.75rem, 3vw, 2.5rem);
      font-weight: 800;
      line-height: 1.2;
      letter-spacing: -0.02em;
    }

    .section-desc {
      max-width: 280px;
      color: var(--muted);
      font-size: 14px;
    }

    .mosaic-card {
      background: var(--card);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      overflow: hidden;
      min-height: 100%;
      display: flex;
      flex-direction: column;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .mosaic-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
    }

    .mosaic-img {
      position: relative;
      height: 190px;
      overflow: hidden;
      background: var(--deep);
    }

    .mosaic-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.7s ease;
    }

    .mosaic-card:hover .mosaic-img img {
      transform: scale(1.05);
    }

    .mosaic-img .img-tag {
      position: absolute;
      top: 12px;
      left: 12px;
      z-index: 2;
      padding: 4px 10px;
      background: rgba(10, 33, 28, 0.78);
      color: var(--lime);
      border-radius: 999px;
      font-size: 12px;
      letter-spacing: 0.04em;
      -webkit-backdrop-filter: blur(4px);
      backdrop-filter: blur(4px);
    }

    .mosaic-body {
      padding: 22px 22px 24px;
      flex: 1;
      display: flex;
      gap: 18px;
    }

    .mosaic-body .mc-index {
      font-size: 14px;
      color: var(--gold);
      font-weight: 800;
      letter-spacing: 0.02em;
      line-height: 1.8;
    }

    .mosaic-body h3 {
      font-size: 19px;
      font-weight: 700;
      margin-bottom: 10px;
      letter-spacing: -0.01em;
    }

    .mosaic-body p {
      color: var(--muted);
      font-size: 14px;
      line-height: 1.75;
    }

    .index-entry {
      display: flex;
      align-items: center;
      gap: 18px;
      padding: 16px 6px;
      border-bottom: 1px solid var(--line);
      transition: background 0.2s ease, padding-left 0.2s ease;
    }

    .index-entry:first-child {
      border-top: 1px solid var(--line);
    }

    .index-entry:hover {
      padding-left: 12px;
      background: #fff;
    }

    .index-entry .ie-no {
      color: var(--gold);
      font-weight: 800;
      font-size: 13px;
      min-width: 28px;
    }

    .index-entry .ie-main {
      flex: 1;
    }

    .index-entry .ie-title {
      font-weight: 700;
      font-size: 16px;
      color: var(--ink);
      transition: color 0.2s ease;
    }

    .index-entry:hover .ie-title {
      color: var(--gold);
    }

    .index-entry .ie-note {
      display: block;
      color: var(--muted);
      font-size: 13px;
      margin-top: 3px;
    }

    .index-entry .ie-arrow {
      width: 30px;
      height: 30px;
      display: grid;
      place-items: center;
      color: var(--muted);
      transition: transform 0.2s ease, color 0.2s ease;
    }

    .index-entry:hover .ie-arrow {
      transform: translateX(4px);
      color: var(--gold);
    }

    .usage-band {
      background:
        linear-gradient(rgba(10, 33, 28, 0.90), rgba(16, 44, 37, 0.95)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      color: #fff;
      padding: 88px 0;
      position: relative;
    }

    .usage-kicker {
      color: var(--lime);
      font-size: 13px;
      font-weight: 700;
      letter-spacing: 0.05em;
      display: block;
      margin-bottom: 10px;
    }

    .usage-band h2 {
      font-size: clamp(1.75rem, 3vw, 2.5rem);
      font-weight: 800;
      line-height: 1.2;
      margin-bottom: 16px;
    }

    .usage-band .usage-lead {
      color: rgba(255, 255, 255, 0.70);
      font-size: 15px;
      max-width: 360px;
    }

    .usage-row {
      display: flex;
      gap: 20px;
      padding: 22px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.12);
      transition: padding-left 0.2s ease;
    }

    .usage-row:first-child {
      border-top: 1px solid rgba(255, 255, 255, 0.12);
    }

    .usage-row:hover {
      padding-left: 10px;
    }

    .usage-row .u-no {
      color: var(--lime);
      font-weight: 800;
      font-size: 13px;
      padding-top: 4px;
    }

    .usage-row h3 {
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .usage-row p {
      color: rgba(255, 255, 255, 0.62);
      font-size: 14px;
      max-width: 620px;
    }

    .quality-card {
      background: var(--card);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      padding: 26px 26px 28px;
      box-shadow: var(--shadow);
      transition: transform 0.25s ease, box-shadow 0.25s ease;
      min-height: 100%;
    }

    .quality-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-lg);
    }

    .quality-card .q-icon {
      color: var(--gold);
      font-size: 22px;
      margin-bottom: 14px;
    }

    .quality-card h3 {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 10px;
    }

    .quality-card p {
      color: var(--muted);
      font-size: 14px;
      line-height: 1.8;
    }

    .faq-list {
      max-width: 840px;
      margin: 0 auto;
    }

    .faq-item {
      border-bottom: 1px solid var(--line);
      background: transparent;
      transition: background 0.2s ease;
    }

    .faq-item[open] {
      background: rgba(255, 255, 255, 0.55);
    }

    .faq-item summary {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      padding: 18px 8px;
      font-size: 16px;
      font-weight: 600;
      color: var(--ink);
      cursor: pointer;
      list-style: none;
      user-select: none;
    }

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

    .faq-item summary::after {
      content: "+";
      color: var(--gold);
      font-size: 26px;
      font-weight: 400;
      line-height: 1;
      transition: transform 0.25s ease;
    }

    .faq-item[open] summary::after {
      content: "−";
    }

    .faq-item .faq-answer {
      padding: 0 8px 22px;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.85;
    }

    .faq-item .faq-answer p + p {
      margin-top: 8px;
    }

    .cta-band {
      background: var(--brand);
      padding: 76px 0;
      position: relative;
      overflow: hidden;
    }

    .cta-inner {
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      gap: 20px;
      position: relative;
      z-index: 2;
    }

    .cta-inner::before {
      content: "";
      position: absolute;
      top: 50%;
      left: 50%;
      width: 360px;
      height: 360px;
      transform: translate(-50%, -50%);
      background: rgba(198, 156, 90, 0.08);
      border-radius: 50%;
      filter: blur(40px);
    }

    .cta-kicker {
      color: var(--lime);
      font-size: 13px;
      letter-spacing: 0.08em;
      font-weight: 700;
    }

    .cta-inner h2 {
      color: #fff;
      font-size: clamp(2rem, 5vw, 3.4rem);
      font-weight: 800;
      letter-spacing: -0.02em;
      line-height: 1.2;
      max-width: 720px;
      position: relative;
      z-index: 1;
    }

    .cta-buttons {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: center;
      gap: 14px;
      position: relative;
      z-index: 1;
    }

    .btn-lime {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      min-height: 48px;
      padding: 0 26px;
      border-radius: 999px;
      background: var(--lime);
      color: var(--brand);
      font-weight: 800;
      font-size: 15px;
      transition: transform 0.2s ease, opacity 0.2s ease, background 0.2s ease;
    }

    .btn-lime:hover {
      transform: translateY(-2px);
      background: #e2fa85;
    }

    .btn-outline-light {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      min-height: 48px;
      padding: 0 26px;
      border-radius: 999px;
      background: transparent;
      border: 1px solid rgba(255, 255, 255, 0.55);
      color: #fff;
      font-weight: 700;
      font-size: 15px;
      transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
    }

    .btn-outline-light:hover {
      background: var(--lime);
      border-color: var(--lime);
      color: var(--brand);
      transform: translateY(-2px);
    }

    .site-footer {
      background: var(--deep);
      color: rgba(255, 255, 255, 0.70);
      padding-top: 64px;
    }

    .footer-top {
      display: grid;
      grid-template-columns: 1.4fr 0.8fr 0.8fr 1.2fr;
      gap: 40px;
      padding-bottom: 44px;
    }

    .footer-logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      color: #fff;
      font-size: 20px;
      font-weight: 800;
      letter-spacing: 0.02em;
      margin-bottom: 14px;
    }

    .footer-logo i {
      color: var(--gold);
    }

    .footer-brand p {
      font-size: 14px;
      line-height: 1.8;
      color: rgba(255, 255, 255, 0.56);
      max-width: 300px;
    }

    .footer-col h4 {
      color: #fff;
      font-size: 15px;
      font-weight: 700;
      margin-bottom: 16px;
      letter-spacing: 0.02em;
    }

    .footer-col ul li {
      margin-bottom: 10px;
    }

    .footer-col ul a {
      font-size: 14px;
      color: rgba(255, 255, 255, 0.62);
      transition: color 0.2s ease;
    }

    .footer-col ul a:hover {
      color: var(--gold);
      text-decoration: underline;
      text-underline-offset: 4px;
    }

    .footer-note {
      font-size: 13px;
      line-height: 1.8;
      color: rgba(255, 255, 255, 0.48);
    }

    .footer-line {
      display: block;
      height: 1px;
      background: linear-gradient(90deg, var(--lime) 0%, rgba(255, 255, 255, 0.08) 220px);
    }

    .footer-bottom {
      padding: 20px 0 26px;
      font-size: 13px;
      color: rgba(255, 255, 255, 0.40);
    }

    .footer-bottom .wrap {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 8px;
      padding-top: 14px;
    }

    .footer-bottom a {
      color: rgba(255, 255, 255, 0.46);
      transition: color 0.2s ease;
    }

    .footer-bottom a:hover {
      color: var(--lime);
    }

    @media (max-width: 1024px) {
      .footer-top {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
      }
    }

    @media (max-width: 900px) {
      .header-inner {
        flex-wrap: wrap;
        gap: 4px 12px;
        padding-top: 10px;
        padding-bottom: 10px;
      }

      .site-cta {
        margin-left: auto;
      }

      .site-nav {
        order: 3;
        width: 100%;
        overflow-x: auto;
        overflow-y: hidden;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        padding: 4px;
        border-radius: 999px;
      }

      .site-nav::-webkit-scrollbar {
        display: none;
      }

      .page-hero {
        padding-top: 174px;
      }
    }

    @media (max-width: 767px) {
      .content-section {
        padding: 60px 0;
      }

      .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
      }

      .section-desc {
        max-width: none;
      }

      .page-hero {
        padding-top: 166px;
        padding-bottom: 28px;
      }

      .page-hero h1 {
        font-size: clamp(1.85rem, 8vw, 2.5rem);
      }

      .hero-lead {
        font-size: 15px;
      }

      .usage-band {
        padding: 58px 0;
      }

      .usage-band .usage-lead {
        max-width: none;
      }

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

      .footer-bottom .wrap {
        flex-direction: column;
        gap: 2px;
      }

      .mosaic-body {
        padding: 18px;
      }
    }

    @media (max-width: 520px) {
      .wrap {
        width: min(100% - 1.25rem, 1200px);
      }

      .logo {
        font-size: 16px;
      }

      .logo-mini {
        width: 28px;
        height: 28px;
        font-size: 14px;
      }

      .btn-bookmark {
        padding: 0 10px;
        font-size: 13px;
      }

      .nav-link {
        padding: 0 12px;
        min-height: 32px;
        font-size: 13px;
      }

      .hero-anchors {
        gap: 8px;
      }

      .hero-anchor {
        font-size: 12px;
        padding: 5px 11px;
      }

      .index-entry {
        gap: 12px;
        align-items: flex-start;
      }

      .index-entry .ie-note {
        line-height: 1.65;
      }

      .mosaic-body {
        flex-direction: column;
        gap: 8px;
      }

      .mosaic-body .mc-index {
        line-height: 1.2;
      }
    }

    .btn-bookmark:focus-visible,
    .nav-link:focus-visible,
    .btn-lime:focus-visible,
    .btn-outline-light:focus-visible,
    .faq-item summary:focus-visible,
    a:focus-visible {
      outline: 2px solid var(--lime);
      outline-offset: 3px;
    }

    @media (prefers-reduced-motion: reduce) {
      *,
      *::before,
      *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
      }

      .mosaic-card:hover,
      .mosaic-card {
        transform: none !important;
      }

      .mosaic-card:hover .mosaic-img img {
        transform: none;
      }
    }

/* roulang page: category3 */
:root{
  --paper:#F4F1E9;
  --paper-2:#FBF9F3;
  --ink:#1B2622;
  --muted:#5E6D65;
  --deep:#102C25;
  --dark:#0A211C;
  --gold:#C69C5A;
  --lime:#D8F26E;
  --line:rgba(16,44,37,0.14);
  --line-light:rgba(255,255,255,0.18);
  --radius:6px;
  --radius-pill:999px;
  --shadow-card:0 2px 6px rgba(16,44,37,0.04);
  --shadow-hover:0 20px 40px rgba(16,44,37,0.12);
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  --font-serif:"Songti SC","Noto Serif CJK SC",serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-sans);
  background:var(--paper);
  color:var(--ink);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
button,input,select,textarea{font-family:inherit;font-size:inherit}
.wrap{max-width:1200px;margin-inline:auto;padding-inline:20px;width:100%}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:3px solid rgba(198,156,90,0.5);
  outline-offset:2px;
  border-radius:4px;
}
::selection{background:var(--lime);color:var(--dark)}

/* Header */
.site-header{
  position:fixed;
  inset:0 0 auto;
  height:72px;
  z-index:50;
  background:rgba(10,33,28,0.88);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,0.08);
  transition:background .3s ease,box-shadow .3s ease;
}
.site-header.scrolled{
  background:rgba(10,33,28,0.95);
  box-shadow:0 8px 24px rgba(10,33,28,0.16);
}
.header-inner{
  height:72px;
  display:flex;
  align-items:center;
  gap:20px;
  justify-content:space-between;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:#FBF9F3;
  font-weight:800;
  font-size:19px;
  letter-spacing:.02em;
  white-space:nowrap;
  flex-shrink:0;
}
.logo-mini{
  width:30px;height:30px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:var(--gold);
  color:var(--dark);
  border-radius:3px;
  font-size:15px;
  font-weight:800;
}
.site-nav{
  display:flex;
  align-items:center;
  gap:6px;
  overflow-x:auto;
  scrollbar-width:none;
  white-space:nowrap;
  flex:1;
  justify-content:center;
  padding:4px 2px;
}
.site-nav::-webkit-scrollbar{display:none}
.nav-link{
  padding:7px 16px;
  border-radius:var(--radius-pill);
  color:rgba(255,255,255,0.8);
  font-size:14px;
  font-weight:500;
  border:1px solid transparent;
  transition:background .2s,color .2s,transform .2s;
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.nav-link:hover{
  color:var(--lime);
  background:rgba(255,255,255,0.08);
}
.nav-link.active{
  background:var(--paper);
  color:var(--deep);
  font-weight:700;
}
.site-cta{flex-shrink:0;display:flex;align-items:center}
.btn-bookmark{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 15px;
  background:var(--paper);
  color:var(--dark);
  border:0;
  border-radius:var(--radius-pill);
  font-size:13px;
  font-weight:700;
  cursor:pointer;
  transition:background .2s,transform .2s,color .2s;
}
.btn-bookmark:hover{
  background:var(--lime);
  transform:translateY(-1px);
}
.btn-bookmark.booked{
  background:transparent;
  color:var(--paper);
  border:1px solid var(--line-light);
}
.btn-bookmark .fa-star{margin-top:1px}
.btn-bookmark:hover .fa-star{animation:starJelly .35s ease}
@keyframes starJelly{
  0%,100%{transform:scale(1)}
  40%{transform:scale(1.28) rotate(-10deg)}
  70%{transform:scale(.9) rotate(8deg)}
}
.btn-bookmark.booked .fa-star{color:var(--gold)}

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  padding:11px 20px;
  border-radius:var(--radius-pill);
  font-weight:700;
  font-size:14px;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s,box-shadow .2s,background .2s,border-color .2s,color .2s;
}
.btn .fa-arrow-right,.btn .fa-arrow-down,.btn .fa-up-right-from-square{
  transition:transform .2s;
}
.btn:hover .fa-arrow-right{transform:translateX(4px)}
.btn:hover .fa-arrow-down{transform:translateY(4px)}
.btn:hover .fa-up-right-from-square{transform:translate(2px,-2px)}
.btn-lime{background:var(--lime);color:var(--dark)}
.btn-lime:hover{box-shadow:0 8px 20px rgba(216,242,110,0.18);transform:translateY(-2px)}
.btn-outline{border-color:rgba(255,255,255,0.55);color:#FFF;background:rgba(255,255,255,0.04)}
.btn-outline:hover{background:#fff;color:var(--dark);transform:translateY(-2px)}
.btn-deep{background:var(--dark);color:var(--paper)}
.btn-deep:hover{background:#163D33;transform:translateY(-2px);box-shadow:var(--shadow-hover)}

/* Category hero */
.category-hero{
  position:relative;
  background-color:var(--deep);
  color:var(--paper);
  padding:156px 0 54px;
  overflow:hidden;
}
.category-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,0.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,0.05) 1px,transparent 1px);
  background-size:48px 48px;
  pointer-events:none;
}
.category-hero::after{
  content:"";
  position:absolute;
  left:0;bottom:0;top:0;
  width:6px;
  background:var(--gold);
}
.category-hero .wrap{position:relative;z-index:1}
.breadcrumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:rgba(255,255,255,0.65);
  margin-bottom:24px;
}
.breadcrumb a:hover{color:var(--lime)}
.breadcrumb .sep{opacity:.5}
.category-hero .page-title{
  font-size:clamp(2.4rem,5vw,3.8rem);
  font-weight:800;
  line-height:1.1;
  color:#fff;
  margin-bottom:14px;
  letter-spacing:.01em;
}
.category-hero .hero-note{
  max-width:820px;
  color:rgba(255,255,255,0.82);
  font-size:16px;
  line-height:1.9;
}
.hero-metrics{
  margin-top:30px;
  display:flex;
  flex-wrap:wrap;
  gap:44px;
}
.metric-item{
  position:relative;
  padding-left:2px;
  display:flex;
  flex-direction:column;
}
.metric-item .metric-num{
  font-size:28px;
  font-weight:800;
  color:var(--gold);
  line-height:1.15;
  font-variant-numeric:tabular-nums;
  letter-spacing:.04em;
}
.metric-item .metric-label{
  font-size:12px;
  color:rgba(255,255,255,0.64);
  margin-top:6px;
  letter-spacing:.04em;
}
.hero-actions{
  margin-top:32px;
  display:flex;
  flex-wrap:wrap;
  gap:14px;
}
.page-anchors{
  position:sticky;
  top:72px;
  z-index:30;
  background:rgba(244,241,233,0.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.page-anchors .wrap{
  display:flex;
  align-items:center;
  gap:4px;
  overflow-x:auto;
  scrollbar-width:none;
  padding-top:8px;
  padding-bottom:8px;
  white-space:nowrap;
}
.page-anchors::-webkit-scrollbar{display:none}
.page-anchors a{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 14px;
  border-radius:var(--radius-pill);
  font-size:13px;
  font-weight:600;
  color:var(--muted);
  border:1px solid transparent;
  transition:color .2s,border-color .2s,background .2s;
}
.page-anchors a i{font-size:10px;color:var(--gold)}
.page-anchors a:hover{
  color:var(--dark);
  background:#fff;
  border-color:var(--line);
}
.section{padding-block:88px}
.section-alt{background:var(--paper-2)}
.eyebrow{
  font-size:12px;
  letter-spacing:.16em;
  color:var(--gold);
  font-weight:700;
  text-transform:uppercase;
  display:flex;
  align-items:center;
  gap:10px;
}
.eyebrow::before{content:"";width:24px;height:2px;background:var(--gold);display:inline-block}
.section h2{
  font-size:clamp(1.75rem,3vw,2.6rem);
  line-height:1.25;
  font-weight:800;
  margin-top:10px;
  letter-spacing:.01em;
}
.section-head{max-width:820px;margin-bottom:44px}
.section-head p{margin-top:12px;color:var(--muted);font-size:16px;line-height:1.9}

/* Category 3 grid: left explain + right panel */
.member-grid{
  display:grid;
  grid-template-columns:minmax(0,1.32fr) minmax(0,.86fr);
  gap:56px;
  align-items:start;
}
.member-content p{
  color:#3c4c44;
  margin-bottom:1.2em;
  font-size:16px;
  line-height:1.95;
  max-width:72ch;
}
.member-content .drop{
  font-size:17px;
  color:var(--ink);
}
.member-content strong{color:var(--ink);font-weight:700}
.member-list{
  list-style:none;
  margin-top:20px;
  border-top:1px solid var(--line);
}
.member-list li{
  display:grid;
  grid-template-columns:54px minmax(0,1fr);
  gap:18px;
  padding:22px 2px;
  border-bottom:1px solid var(--line);
  transition:background .2s;
}
.member-list li:hover{background:rgba(198,156,90,0.06)}
.member-list .step-num{
  font-weight:800;
  font-size:20px;
  color:var(--gold);
  font-variant-numeric:tabular-nums;
  line-height:1.2;
  padding-top:2px;
}
.member-list h3{
  font-size:17px;
  font-weight:700;
  margin-bottom:4px;
}
.member-list p{color:var(--muted);font-size:14px;line-height:1.8;margin:0;max-width:58ch}
.member-list .arrow{
  margin-left:8px;
  color:var(--gold);
  opacity:0;
  transform:translateX(-4px);
  transition:transform .2s,opacity .2s;
  font-size:13px;
}
.member-list li:hover .arrow{
  opacity:1;
  transform:translateX(0);
}

/* Right panel form */
.panel-info{
  background:#fff;
  border-radius:var(--radius);
  box-shadow:var(--shadow-card);
  border:1px solid var(--line);
  overflow:hidden;
  position:relative;
}
.panel-info::before{
  content:"";
  display:block;
  height:5px;
  background:linear-gradient(90deg,var(--gold) 0%,var(--lime) 100%);
}
.panel-info .panel-inner{padding:28px}
.panel-info h3{
  font-size:20px;
  font-weight:750;
}
.panel-info .panel-sub{
  font-size:13px;
  color:var(--muted);
  line-height:1.8;
  margin-top:6px;
}
.consult-form{margin-top:22px;display:grid;gap:14px}
.form-field label{
  display:block;
  font-size:12px;
  font-weight:700;
  margin-bottom:5px;
  color:var(--ink);
  letter-spacing:.04em;
}
.form-field input,.form-field select,.form-field textarea{
  width:100%;
  background:#faf8f2;
  border:1px solid var(--line);
  border-radius:5px;
  padding:10px 12px;
  color:var(--ink);
  transition:border-color .2s,background .2s,box-shadow .2s;
}
.form-field textarea{min-height:104px;resize:vertical;font-family:var(--font-sans)}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{
  outline:0;
  border-color:var(--gold);
  background:#fff;
  box-shadow:0 0 0 3px rgba(198,156,90,0.15);
}
.checkbox-group{
  display:flex;
  flex-wrap:wrap;
  gap:8px 18px;
  font-size:13px;
  color:var(--ink);
}
.checkbox-group label{
  display:inline-flex;
  align-items:center;
  gap:6px;
  cursor:pointer;
}
.checkbox-group input{accent-color:var(--deep);width:15px;height:15px}
.submit-btn{
  width:100%;
  border:0;
  border-radius:5px;
  background:var(--dark);
  color:var(--paper);
  padding:12px 16px;
  font-weight:700;
  cursor:pointer;
  transition:background .2s,box-shadow .2s,transform .2s;
}
.submit-btn:hover{background:#163D33;transform:translateY(-2px);box-shadow:0 10px 20px rgba(10,33,28,0.14)}
.form-success{
  margin-top:14px;
  padding:10px 12px;
  background:rgba(198,156,90,0.16);
  border-left:3px solid var(--gold);
  color:var(--dark);
  font-size:13px;
  border-radius:3px;
  display:none;
}

/* Scene list */
.scene-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  border-top:1px solid var(--line);
  border-left:1px solid var(--line);
}
.scene-cell{
  padding:28px 30px;
  background:rgba(255,255,255,0.85);
  border-right:1px solid var(--line);
  border-bottom:1px solid var(--line);
  transition:background .2s,box-shadow .2s;
  position:relative;
}
.scene-cell:hover{
  background:#fff;
  box-shadow:var(--shadow-hover);
  z-index:1;
}
.scene-cell .scene-icon{
  color:var(--gold);
  font-size:14px;
  display:block;
  margin-bottom:12px;
}
.scene-cell h3{
  font-size:17px;
  font-weight:700;
  margin-bottom:7px;
  display:flex;
  align-items:center;
  gap:8px;
}
.scene-cell h3::after{
  content:"";
  width:22px;height:1px;
  background:var(--gold);
  transition:width .25s;
}
.scene-cell:hover h3::after{width:42px}
.scene-cell p{
  font-size:14px;
  color:var(--muted);
  line-height:1.85;
}

/* Flow */
.flow-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:28px;
  counter-reset:flow;
}
.flow-step{
  position:relative;
  padding-top:52px;
  border-top:2px solid rgba(198,156,90,0.5);
}
.flow-step .flow-num{
  position:absolute;
  top:-1px;
  left:0;
  transform:translateY(-50%);
  background:var(--paper);
  padding-right:14px;
  font-size:28px;
  color:var(--gold);
  font-weight:800;
  font-variant-numeric:tabular-nums;
}
.flow-step h3{font-size:17px;font-weight:700;margin-bottom:6px}
.flow-step p{font-size:14px;color:var(--muted);line-height:1.85}

/* Standard + image */
.standard-wrap{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:60px;
  align-items:center;
}
.standard-media{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius);
  box-shadow:var(--shadow-card);
}
.standard-media img{
  width:100%;
  height:380px;
  object-fit:cover;
  transition:transform .7s ease;
}
.standard-media:hover img{transform:scale(1.05)}
.standard-media .img-note{
  position:absolute;
  left:0;right:0;bottom:0;
  background:linear-gradient(0deg,rgba(10,33,28,0.88),rgba(10,33,28,0));
  color:#fff;
  padding:30px 20px 14px;
  font-size:12px;
}
.standard-copy h2{margin-bottom:10px}
.standard-copy .eyebrow{margin-bottom:16px}
.standard-copy p{color:#3c4c44;line-height:1.9;font-size:16px;margin-top:14px}
.check-list{
  list-style:none;
  margin-top:22px;
}
.check-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding-block:10px;
  border-bottom:1px dashed rgba(16,44,37,0.15);
}
.check-list .check-icon{
  width:22px;
  height:22px;
  flex-shrink:0;
  border:1px solid var(--gold);
  border-radius:99px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:var(--gold);
  font-size:10px;
  margin-top:3px;
}
.check-list strong{color:var(--ink)}
.check-list span{display:block;font-size:13px;color:var(--muted);margin-top:2px}

/* FAQ */
.faq-wrap{
  max-width:900px;
  margin:0 auto;
  border-top:1px solid var(--line);
}
.faq-item{
  border-bottom:1px solid var(--line);
  background:transparent;
  transition:background .2s;
}
.faq-item:hover{background:rgba(255,255,255,0.6)}
.faq-item summary{
  list-style:none;
  padding:22px 8px;
  cursor:pointer;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:24px;
  font-size:16px;
}
.faq-item summary h3{
  font-size:16px;
  font-weight:700;
  display:inline;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-icon{
  width:30px;
  height:30px;
  border:1px solid var(--line);
  color:var(--gold);
  border-radius:50%;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  flex-shrink:0;
  transition:transform .3s,background .2s,color .2s,border-color .2s;
}
.faq-item[open] summary .faq-icon{
  background:var(--dark);
  color:var(--lime);
  border-color:var(--dark);
  transform:rotate(135deg);
}
.faq-answer{
  padding:0 26px 24px 20px;
  color:var(--muted);
  font-size:15px;
  line-height:1.9;
  max-width:85ch;
}
.faq-answer p{margin-top:0}

/* Save CTA */
.site-save{
  background:var(--dark);
  color:var(--paper);
  position:relative;
  overflow:hidden;
  padding:72px 0;
}
.site-save::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,0.035) 1px,transparent 1px);
  background-size:34px 34px;
}
.site-save .wrap{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
  flex-wrap:wrap;
}
.save-copy h2{
  font-size:clamp(1.8rem,3vw,2.8rem);
  font-weight:800;
}
.save-copy p{
  margin-top:8px;
  color:rgba(255,255,255,0.72);
  max-width:520px;
  font-size:15px;
  line-height:1.9;
}
.save-actions{
  display:flex;
  align-items:center;
  gap:14px;
  flex-wrap:wrap;
}
.site-save .btn-bookmark{
  background:var(--lime);
}
.site-save .btn-bookmark.booked{
  background:transparent;
  border-color:rgba(255,255,255,0.5);
}
.site-save .btn-outline{
  background:rgba(255,255,255,0.04);
}
.site-save .btn-outline:hover{
  background:#fff;
}
.cta-link{
  margin-top:18px;
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13px;
  color:var(--lime);
}
.cta-link i{font-size:10px;transition:transform .2s}
.cta-link:hover i{transform:translateX(4px)}

/* Footer */
.site-footer{
  background:var(--deep);
  color:rgba(255,255,255,0.72);
  padding-top:64px;
}
.footer-top{
  display:grid;
  grid-template-columns:1.2fr 0.8fr 0.8fr 1fr;
  gap:40px;
  padding-bottom:44px;
}
.footer-brand .footer-logo{
  color:#fff;
  font-size:22px;
  font-weight:800;
  display:flex;
  align-items:center;
  gap:10px;
}
.footer-brand .footer-logo i{color:var(--gold);font-size:18px}
.footer-brand p{font-size:14px;line-height:1.9;margin-top:14px;max-width:30ch;}
.footer-col h4{
  color:#fff;
  font-size:15px;
  font-weight:700;
  margin-bottom:14px;
}
.footer-col ul{list-style:none}
.footer-col ul li{margin-bottom:8px}
.footer-col a{
  color:rgba(255,255,255,0.68);
  font-size:14px;
  transition:color .2s;
  background-image:linear-gradient(var(--gold),var(--gold));
  background-repeat:no-repeat;
  background-size:0 1px;
  background-position:left calc(100% - 2px);
}
.footer-col a:hover{color:var(--gold);background-size:100% 1px}
.footer-note{
  font-size:13px;
  line-height:1.9;
  color:rgba(255,255,255,0.58);
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.08);
  padding:14px 0 18px;
}
.footer-line{
  display:block;
  width:100%;
  height:2px;
  background:linear-gradient(90deg,var(--lime) 0 80px,transparent 80px);
}
.footer-bottom .wrap{
  display:flex;
  justify-content:space-between;
  gap:10px;
  flex-wrap:wrap;
  align-items:center;
  padding-top:14px;
  font-size:12px;
  color:rgba(255,255,255,0.5);
}
.footer-bottom a{
  color:rgba(255,255,255,0.64);
  transition:color .2s;
}
.footer-bottom a:hover{color:var(--gold)}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.01ms !important;
    transition-duration:.01ms !important;
    scroll-behavior:auto !important;
  }
}

@media (max-width:1024px){
  .member-grid{grid-template-columns:1fr;gap:32px}
  .panel-info{max-width:720px}
  .flow-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 26px}
  .standard-wrap{grid-template-columns:1fr;gap:32px}
  .standard-media img{height:320px}
  .footer-top{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:768px){
  .header-inner{height:72px}
  .site-header{height:72px}
  .category-hero{padding:132px 0 40px}
  .category-hero .page-title{font-size:clamp(1.8rem,7vw,2.7rem)}
  .category-hero .hero-note{font-size:14px}
  .site-save .wrap{gap:20px}
  .save-actions{width:100%}
  .save-actions .btn{flex:1}
  .category-hero .hero-note{max-width:100%}
  .footer-top{grid-template-columns:1fr}
  .footer-bottom .wrap{flex-direction:column;align-items:flex-start}
  .scene-cell{padding:22px}
  .site-cta .bk-text{display:none}
  .btn-bookmark{padding:8px 11px}
  .hero-metrics{gap:26px}
  .section{padding-block:60px}
  .site-save{padding:52px 0}
  .page-anchors a{padding:5px 12px;font-size:12px}
}
@media (max-width:540px){
  .scene-grid{grid-template-columns:1fr}
  .flow-grid{grid-template-columns:1fr}
  .member-list li{grid-template-columns:44px minmax(0,1fr);gap:12px}
  .category-hero .page-title{font-size:2.1rem}
  .logo{font-size:17px}
  .header-inner{gap:8px}
  .nav-link{padding:7px 12px;font-size:13px}
  .hero-actions .btn{width:100%}
  .standard-media img{height:240px}
}