/* roulang page: index */
:root{
  --ink:#0B1512;
  --ink-2:#14211D;
  --mint:#2FE0A6;
  --gold:#C8A96A;
  --bg:#F7F6F2;
  --card:#FFFFFF;
  --line:#E4E1D8;
  --text:#1A1F1D;
  --muted:#5D6663;
  --danger:#C4553B;
  --r-card:14px;
  --r-img:12px;
  --r-input:8px;
  --sh-1:0 1px 2px rgba(11,21,18,.04), 0 14px 34px -22px rgba(11,21,18,.20);
  --sh-2:0 18px 40px -20px rgba(11,21,18,.28);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC",-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.9;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:0;background:none}
h1,h2,h3,h4,h5,h6{margin:0;font-weight:800;line-height:1.2;color:inherit;letter-spacing:0}
p{margin:0 0 1.4em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
input,textarea,select{font-family:inherit;font-size:15px;color:var(--text)}
input:focus,textarea:focus,button:focus,a:focus{outline:none}
:focus-visible{outline:2px solid var(--mint);outline-offset:3px}
h1{font-size:clamp(2.1rem,5vw,3.5rem);font-weight:900;line-height:1.08;letter-spacing:-.03em}
h2{font-size:clamp(1.5rem,2.8vw,2.2rem);font-weight:800;line-height:1.2}
h3{font-size:1.25rem;font-weight:700}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section--ink{background:var(--ink);color:var(--bg)}
.section--ink p{color:rgba(247,246,242,.78)}
.section-head{max-width:760px;margin:0 0 40px}
.section-head .eyebrow{display:inline-block;font-size:.8125rem;font-weight:500;letter-spacing:.06em;color:var(--gold);margin-bottom:14px;text-transform:uppercase}
.section-head h2{margin-bottom:16px}
.section-head p{font-size:.9375rem;color:var(--muted);margin:0}
.section--ink .section-head p{color:rgba(247,246,242,.72)}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:40px}
.head-row .section-head{margin-bottom:0}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;border-radius:999px;font-weight:700;transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease);white-space:nowrap}
.btn-primary{background:var(--ink);color:#fff;padding:14px 28px;font-size:15px}
.btn-primary:hover,.btn-primary:focus-visible{background:var(--mint);color:var(--ink);transform:translateY(-1px)}
.btn-ghost{background:transparent;border:1px solid var(--line);color:var(--ink);padding:13px 26px;font-size:15px}
.btn-ghost:hover,.btn-ghost:focus-visible{border-color:var(--ink);background:var(--card)}
.btn-dark-ghost{background:transparent;border:1px solid rgba(247,246,242,.28);color:var(--bg);padding:13px 26px;font-size:15px}
.btn-dark-ghost:hover,.btn-dark-ghost:focus-visible{border-color:var(--mint);color:var(--mint)}
.btn-sm{font-size:14px;padding:11px 22px}
.btn-lg{font-size:16px;padding:16px 34px}
.btn-block{width:100%}
.textlink{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:15px;color:var(--ink)}
.textlink i{transition:transform .18s var(--ease)}
.textlink:hover{color:var(--mint)}
.textlink:hover i{transform:translateX(3px)}

/* badge */
.badge{display:inline-flex;align-items:center;border:1px solid var(--gold);color:var(--ink);border-radius:999px;font-size:.8125rem;font-weight:500;letter-spacing:.06em;padding:3px 12px;background:transparent}
.badge--solid{background:var(--ink);color:var(--bg);border-color:var(--ink)}

/* header */
.site-header{position:sticky;top:0;z-index:1000;background:transparent;transition:background .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);border-bottom:1px solid transparent}
.site-header.is-scrolled{background:var(--bg);border-bottom-color:var(--line);box-shadow:0 6px 24px -22px rgba(11,21,18,.5)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.02em;font-size:1.0625rem;color:var(--ink)}
.logo-mark{width:30px;height:30px;flex:0 0 30px;position:relative;display:inline-block}
.logo-mark::before{content:"";position:absolute;inset:0;border:1.5px solid var(--ink);border-radius:9px}
.logo-mark::after{content:"";position:absolute;left:8px;top:8px;width:13px;height:13px;background:var(--mint);border-radius:4px}
.main-nav{display:flex;align-items:center;gap:30px}
.main-nav a{font-size:15px;font-weight:500;color:var(--ink);position:relative;padding:6px 0;transition:color .18s var(--ease)}
.main-nav a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--mint);transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease)}
.main-nav a:hover{color:var(--mint)}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav a.is-active{color:var(--ink);font-weight:700}
.main-nav a.is-active::after{transform:scaleX(1)}
.nav-cta{display:inline-flex}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;color:var(--ink);align-items:center;justify-content:center;font-size:16px}

/* mobile fullscreen menu */
.mobile-menu{position:fixed;inset:0;background:var(--ink);z-index:1200;display:flex;flex-direction:column;padding:24px;transform:translateY(-100%);transition:transform .3s var(--ease);visibility:hidden}
.mobile-menu.is-open{transform:translateY(0);visibility:visible}
.mobile-menu .mm-top{display:flex;align-items:center;justify-content:space-between;height:48px;margin-bottom:24px}
.mobile-menu .logo{color:var(--bg)}
.mobile-menu .logo-mark::before{border-color:var(--bg)}
.mobile-menu .mm-close{width:42px;height:42px;border:1px solid rgba(247,246,242,.28);border-radius:10px;color:var(--bg);display:flex;align-items:center;justify-content:center}
.mobile-menu nav{display:flex;flex-direction:column;gap:4px;margin-bottom:28px}
.mobile-menu nav a{color:var(--bg);font-size:1.25rem;font-weight:700;padding:14px 0;border-bottom:1px solid rgba(247,246,242,.12)}
.mobile-menu nav a.is-active{color:var(--mint)}

/* bottom tab */
.tabbar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:1100;background:var(--card);border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom)}
.tabbar-inner{display:flex;height:60px}
.tabbar a{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;font-size:11px;color:var(--muted);position:relative;transition:color .2s var(--ease)}
.tabbar a i{font-size:17px}
.tabbar a::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%) scaleX(0);width:26px;height:2px;background:var(--mint);transition:transform .24s var(--ease)}
.tabbar a.is-active{color:var(--mint);font-weight:700}
.tabbar a.is-active::before{transform:translateX(-50%) scaleX(1)}

/* hero */
.hero{background:var(--ink);color:var(--bg);padding:84px 0 96px;position:relative;overflow:hidden}
.hero-grid{row-gap:48px}
.hero .brand-line{display:inline-flex;align-items:center;gap:10px;font-size:.9375rem;font-weight:700;letter-spacing:.02em;color:var(--mint);margin-bottom:22px}
.hero .brand-line span.dot{width:7px;height:7px;background:var(--gold);border-radius:50%}
.hero h1{color:var(--bg);margin-bottom:22px}
.hero .lead{font-size:1.0625rem;line-height:1.9;color:rgba(247,246,242,.78);max-width:34em;margin-bottom:32px}
.hero-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-bottom:36px}
.hero .textlink{color:var(--bg)}
.hero .textlink:hover{color:var(--mint)}
.trust-row{display:flex;flex-wrap:wrap;gap:0}
.trust-row span{font-size:.875rem;color:rgba(247,246,242,.72);padding:0 18px;border-left:1px solid var(--gold)}
.trust-row span:first-child{padding-left:0;border-left:0}
.hero-media{position:relative;border-radius:var(--r-img);overflow:hidden;border:1px solid rgba(200,169,106,.55)}
.hero-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.hero-media::after{content:"";position:absolute;inset:0;background:rgba(11,21,18,.30)}
.hero-media .hero-tag{position:absolute;left:20px;bottom:20px;z-index:2;background:rgba(11,21,18,.72);border:1px solid rgba(200,169,106,.5);color:var(--bg);border-radius:999px;font-size:.8125rem;letter-spacing:.06em;font-weight:500;padding:7px 16px}

/* pain */
.pain-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.pain-item{padding:6px 26px;border-left:1px solid var(--line)}
.pain-item:first-child{border-left:0;padding-left:0}
.pain-item .num{font-size:1.75rem;font-weight:900;letter-spacing:-.04em;color:var(--gold);line-height:1;display:block;margin-bottom:14px}
.pain-item h3{font-size:1.1875rem;margin-bottom:10px}
.pain-item p{font-size:.9375rem;color:var(--muted);line-height:1.85;margin:0}

/* solution */
.solution-row{align-items:center;row-gap:36px}
.solution-row + .solution-row{margin-top:80px}
.solution-media{border-radius:var(--r-img);overflow:hidden;box-shadow:var(--sh-1)}
.solution-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s var(--ease)}
.solution-media:hover img{transform:scale(1.04)}
.solution-copy .circle-num{width:44px;height:44px;border-radius:50%;border:1px solid var(--gold);color:var(--gold);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:.9375rem;margin-bottom:18px}
.solution-copy h3{font-size:1.5rem;font-weight:800;margin-bottom:14px}
.solution-copy p{font-size:.9375rem;color:var(--muted);margin-bottom:18px}
.check-list{display:flex;flex-direction:column;gap:12px}
.check-list li{display:flex;gap:10px;font-size:.9375rem;color:var(--text)}
.check-list li i{color:var(--mint);font-size:14px;margin-top:7px}

/* stats */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.stat{padding-top:22px;border-top:1px solid var(--gold)}
.stat .value{font-size:clamp(2.4rem,5vw,3.6rem);font-weight:900;letter-spacing:-.04em;line-height:1.05;color:var(--ink);display:block}
.stat .label{font-size:.9375rem;color:var(--muted);margin-top:8px;display:block}

/* testimonials */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.quote-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:32px 28px;box-shadow:var(--sh-1);display:flex;flex-direction:column}
.quote-card .qmark{font-size:48px;line-height:1;color:var(--gold);font-weight:900;margin-bottom:12px;font-family:Georgia,serif}
.quote-card p{font-size:.9375rem;color:var(--text);line-height:1.9;flex:1}
.quote-person{display:flex;align-items:center;gap:12px;margin-top:22px;padding-top:18px;border-top:1px solid var(--line)}
.quote-person img{width:40px;height:40px;border-radius:50%;object-fit:cover}
.quote-person .name{font-size:.9375rem;font-weight:700;display:block;line-height:1.4}
.quote-person .role{font-size:.8125rem;color:var(--muted);letter-spacing:.06em}

/* news */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.news-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;position:relative;transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease)}
.news-card::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--mint);transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease)}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.news-card:hover::before{transform:scaleX(1)}
.news-media{position:relative;overflow:hidden;background:var(--bg)}
.news-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s var(--ease)}
.news-card:hover .news-media img{transform:scale(1.04)}
.news-media .badge{position:absolute;left:14px;top:14px;background:rgba(255,255,255,.92)}
.news-body{padding:22px 22px 18px;display:flex;flex-direction:column;flex:1}
.news-body h3{font-size:1.125rem;line-height:1.45;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-body p{font-size:.9375rem;color:var(--muted);line-height:1.85;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:0}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid var(--line);margin-top:18px;padding-top:14px;font-size:.8125rem;color:var(--muted);letter-spacing:.06em;font-weight:500}
.news-meta .arrow{color:var(--ink);transition:color .2s var(--ease),transform .2s var(--ease)}
.news-card:hover .news-meta .arrow{color:var(--mint);transform:translateX(3px)}
.empty-state{border:1px dashed var(--line);background:var(--bg);border-radius:var(--r-card);min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;color:var(--muted);text-align:center;padding:32px}
.empty-state i{font-size:24px;color:var(--gold)}
.empty-state span{font-size:.9375rem}

/* faq */
.faq-list{max-width:900px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:26px 0;font-size:1.0625rem;font-weight:600;color:var(--text);transition:color .2s var(--ease)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--mint)}
.faq-icon{flex:0 0 24px;width:24px;height:24px;border:1px solid var(--mint);border-radius:50%;position:relative}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--mint);left:50%;top:50%;transform:translate(-50%,-50%)}
.faq-icon::before{width:10px;height:1.5px}
.faq-icon::after{width:1.5px;height:10px;transition:transform .26s var(--ease),opacity .26s var(--ease)}
.faq-item[open] .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq-answer{max-width:68ch;font-size:.9375rem;color:var(--muted);line-height:1.85;padding:0 0 26px}
.faq-answer p{margin:0}

/* contact */
.contact-grid{align-items:start;row-gap:40px}
.contact-copy h2{margin-bottom:18px}
.contact-copy p{font-size:.9375rem;color:var(--muted);margin-bottom:24px}
.contact-points{display:flex;flex-direction:column;gap:14px}
.contact-points li{display:flex;gap:12px;align-items:flex-start;font-size:.9375rem}
.contact-points li i{color:var(--gold);margin-top:7px;font-size:13px}
.form-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:34px 32px;box-shadow:var(--sh-1)}
.form-card h3{font-size:1.25rem;margin-bottom:6px}
.form-card .form-hint{font-size:.875rem;color:var(--muted);margin-bottom:26px}
.field{position:relative;margin-bottom:30px}
.field input,.field textarea{width:100%;border:0;border-bottom:1px solid var(--line);background:transparent;border-radius:0;padding:14px 0 10px;font-size:15px;line-height:1.6;transition:border-color .18s var(--ease),padding .18s var(--ease);box-shadow:none;margin:0;height:auto}
.field textarea{resize:vertical;min-height:96px}
.field label{position:absolute;left:0;top:14px;font-size:15px;color:var(--muted);pointer-events:none;transition:all .18s var(--ease)}
.field input:focus,.field textarea:focus{border-bottom:2px solid var(--mint);padding-bottom:9px}
.field input:focus+label,.field input:not(:placeholder-shown)+label,
.field textarea:focus+label,.field textarea:not(:placeholder-shown)+label{top:-10px;font-size:12px;letter-spacing:.06em;color:var(--mint)}
.field.has-error input,.field.has-error textarea{border-bottom-color:var(--danger)}
.field.has-error label{color:var(--danger)}
.field-error{display:none;font-size:13px;color:var(--danger);margin-top:6px}
.field.has-error .field-error{display:block}
.form-note{font-size:.8125rem;color:var(--muted);margin-top:16px;letter-spacing:.02em}
.form-success{display:none;background:rgba(47,224,166,.12);border:1px solid var(--mint);border-radius:var(--r-input);padding:14px 16px;font-size:.9375rem;color:var(--ink);margin-bottom:22px}
.form-success.is-visible{display:block}

/* cta band */
.cta-band{background:var(--ink);color:var(--bg);position:relative;overflow:hidden;padding:88px 0}
.cta-band::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(247,246,242,.55) 1px,transparent 1px),linear-gradient(90deg,rgba(247,246,242,.55) 1px,transparent 1px);background-size:56px 56px;opacity:.06;pointer-events:none}
.cta-band .cta-inner{position:relative;text-align:center;max-width:760px;margin:0 auto}
.cta-band h2{color:var(--bg);margin-bottom:16px}
.cta-band p{color:rgba(247,246,242,.76);margin-bottom:30px}
.cta-actions{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}

/* footer */
.site-footer{background:var(--ink);color:rgba(247,246,242,.72);padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand .logo{color:var(--bg);margin-bottom:16px}
.footer-brand .logo-mark::before{border-color:var(--bg)}
.footer-brand p{font-size:.9375rem;color:rgba(247,246,242,.68);max-width:30em}
.footer-col h4{font-size:.8125rem;font-weight:600;letter-spacing:.1em;color:var(--gold);margin-bottom:18px;text-transform:uppercase}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a,.footer-col span{font-size:.9375rem;color:rgba(247,246,242,.72);transition:color .18s var(--ease)}
.footer-col a:hover{color:var(--mint)}
.footer-bottom{border-top:1px solid rgba(247,246,242,.14);display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 0 26px;flex-wrap:wrap}
.footer-bottom small{font-size:.8125rem;color:rgba(247,246,242,.6)}
.footer-bottom .disclaimer{font-size:.8125rem;color:rgba(247,246,242,.6);max-width:60ch;text-align:right}

/* reveal */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .42s var(--ease),transform .42s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* foundation overrides */
body,html{font-family:"Noto Sans SC",-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif!important}
.grid-x{row-gap:0}
.grid-x.grid-margin-x{row-gap:28px}
.callout{margin:0}

/* responsive */
@media screen and (max-width:1199px){
  .section{padding:84px 0}
  .pain-item{padding:6px 20px}
}
@media screen and (max-width:991px){
  .main-nav,.nav-cta{display:none}
  .nav-toggle{display:inline-flex}
  .tabbar{display:block}
  body{padding-bottom:calc(60px + env(safe-area-inset-bottom))}
  .section{padding:72px 0}
  .hero{padding:56px 0 72px}
  .pain-grid{grid-template-columns:repeat(2,1fr);column-gap:28px;row-gap:32px}
  .pain-item{border-left:0;padding:0;border-top:1px solid var(--line);padding-top:22px}
  .pain-item:first-child,.pain-item:nth-child(2){border-top:1px solid var(--line)}
  .quote-grid{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:20px;padding-bottom:8px;-webkit-overflow-scrolling:touch}
  .quote-card{min-width:300px;scroll-snap-align:start}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr);row-gap:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .solution-row + .solution-row{margin-top:56px}
}
@media screen and (max-width:767px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .hero .lead{font-size:1rem}
  .trust-row span{padding:0 12px;font-size:.8125rem}
  .news-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:22px}
  .form-card{padding:26px 22px}
  .cta-band{padding:64px 0}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .footer-bottom .disclaimer{text-align:left}
  .hero-media .hero-tag{left:14px;bottom:14px;font-size:.75rem}
}
@media screen and (max-width:519px){
  h1{font-size:2rem}
  .stats-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr}
  .btn{width:100%}
  .hero-actions{flex-direction:column;align-items:stretch;gap:14px}
  .hero-actions .textlink{justify-content:center}
}

/* roulang page: article */
:root{
  --ink:#0B1512;
  --ink-2:#14211D;
  --mint:#2FE0A6;
  --mint-deep:#12805F;
  --gold:#C8A96A;
  --bg:#F7F6F2;
  --card:#FFFFFF;
  --line:#E4E1D8;
  --text:#1A1F1D;
  --muted:#5D6663;
  --danger:#C4553B;
  --r-card:14px;
  --r-img:12px;
  --r-pill:999px;
  --r-input:8px;
  --sh-1:0 1px 2px rgba(11,21,18,.04), 0 14px 34px -22px rgba(11,21,18,.20);
  --sh-2:0 18px 40px -20px rgba(11,21,18,.28);
  --ease:cubic-bezier(.22,.61,.36,1);
  --header-h:72px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC",-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0;}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.25;}
button{font:inherit;cursor:pointer;}
input,textarea{font:inherit;}
:focus-visible{outline:2px solid var(--mint);outline-offset:3px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-head{max-width:760px;margin:0 0 40px;}
.section-head h2{font-size:clamp(1.5rem,2.8vw,2.2rem);font-weight:800;letter-spacing:-.02em;}
.section-head p{margin-top:14px;color:var(--muted);font-size:.9375rem;line-height:1.9;}
.eyebrow{
  display:inline-block;font-size:.8125rem;font-weight:500;letter-spacing:.06em;
  color:var(--muted);text-transform:none;margin-bottom:12px;
}
.eyebrow::before{
  content:"";display:inline-block;width:22px;height:1px;background:var(--gold);
  vertical-align:middle;margin-right:10px;
}

/* ============ 阅读进度条 ============ */
.progress-bar{
  position:fixed;top:0;left:0;height:2px;width:0;
  background:var(--mint);z-index:200;transition:width .1s linear;
}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:120;
  height:var(--header-h);
  background:var(--bg);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 10px 30px -24px rgba(11,21,18,.45);}
.nav-wrap{
  height:var(--header-h);
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  font-weight:700;letter-spacing:.02em;font-size:1.0625rem;color:var(--ink);
  flex:0 0 auto;
}
.logo-mark{
  width:30px;height:30px;border-radius:9px;background:var(--ink);
  position:relative;display:inline-block;flex:0 0 auto;
}
.logo-mark::after{
  content:"";position:absolute;inset:8px;border:2px solid var(--mint);
  border-radius:2px;transform:rotate(45deg);
}
.main-nav{display:flex;align-items:center;gap:6px;flex:1 1 auto;justify-content:center;}
.main-nav a{
  position:relative;display:inline-block;padding:8px 14px;border-radius:var(--r-pill);
  font-size:.9375rem;font-weight:500;color:var(--text);
  transition:color .2s var(--ease),background-color .2s var(--ease);
}
.main-nav a:hover{color:var(--mint-deep);background:rgba(47,224,166,.10);}
.main-nav a.is-active{color:var(--mint-deep);font-weight:700;}
.main-nav a.is-active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:18px;height:2px;background:var(--mint);border-radius:2px;
}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:var(--card);color:var(--ink);font-size:1.05rem;
  align-items:center;justify-content:center;
}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);border:1px solid transparent;
  font-weight:700;letter-spacing:.01em;text-align:center;
  transition:background-color .18s var(--ease),color .18s var(--ease),
             border-color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
  white-space:nowrap;
}
.btn-lg{padding:16px 32px;font-size:1rem;}
.btn-md{padding:14px 28px;font-size:.9375rem;}
.btn-sm{padding:10px 20px;font-size:.875rem;}
.btn-primary{background:var(--ink);color:#fff;}
.btn-primary:hover{background:var(--mint);color:var(--ink);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--ink);background:var(--card);transform:translateY(-2px);}
.btn-link{
  display:inline-flex;align-items:center;gap:8px;font-weight:700;
  color:var(--ink);font-size:.9375rem;
}
.btn-link i{transition:transform .2s var(--ease),color .2s var(--ease);}
.btn-link:hover{color:var(--mint-deep);}
.btn-link:hover i{transform:translateX(3px);color:var(--mint-deep);}
.nav-cta{flex:0 0 auto;}

/* 移动端菜单 */
.mobile-menu{
  position:fixed;top:var(--header-h);left:0;right:0;bottom:0;z-index:115;
  background:var(--bg);padding:20px 24px 96px;
  display:flex;flex-direction:column;gap:6px;
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s;
  overflow-y:auto;
}
.mobile-menu.is-open{opacity:1;visibility:visible;transform:translateY(0);}
.mobile-menu a{
  padding:16px 4px;border-bottom:1px solid var(--line);
  font-size:1.0625rem;font-weight:600;color:var(--ink);
  display:flex;align-items:center;justify-content:space-between;
}
.mobile-menu a i{color:var(--gold);font-size:.8rem;}
.mobile-menu a.is-active{color:var(--mint-deep);}
.mobile-menu .btn{margin-top:22px;}

/* 底部 Tab */
.tabbar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:130;
  height:calc(60px + env(safe-area-inset-bottom));
  padding-bottom:env(safe-area-inset-bottom);
  background:var(--card);border-top:1px solid var(--line);
  box-shadow:0 -8px 24px -22px rgba(11,21,18,.5);
}
.tabbar a{
  flex:1 1 0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  position:relative;font-size:.6875rem;font-weight:500;color:var(--muted);
  transition:color .2s var(--ease);
}
.tabbar a i{font-size:1.0625rem;}
.tabbar a.is-active{color:var(--mint-deep);font-weight:700;}
.tabbar a.is-active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:22px;height:2px;background:var(--mint);border-radius:0 0 2px 2px;
  transition:width .24s var(--ease);
}

/* ============ 文章头 ============ */
.article-hero{
  position:relative;background:var(--ink) url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  color:var(--bg);padding:56px 0 64px;overflow:hidden;
}
.article-hero::before{
  content:"";position:absolute;inset:0;background:rgba(11,21,18,.88);
}
.article-hero .container{position:relative;z-index:2;}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:.8125rem;color:rgba(247,246,242,.62);margin-bottom:26px;
}
.breadcrumb a{color:rgba(247,246,242,.62);}
.breadcrumb a:hover{color:var(--mint);}
.breadcrumb span.sep{color:rgba(200,169,106,.7);}
.breadcrumb span.current{color:var(--bg);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 16px;border:1px solid var(--gold);border-radius:var(--r-pill);
  background:transparent;color:var(--bg);
  font-size:.8125rem;font-weight:500;letter-spacing:.06em;
}
.article-hero h1{
  margin:22px 0 24px;max-width:940px;
  font-size:clamp(1.75rem,3.6vw,2.9rem);font-weight:900;
  line-height:1.14;letter-spacing:-.03em;color:#fff;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  font-size:.8125rem;font-weight:500;letter-spacing:.06em;color:rgba(247,246,242,.66);
}
.meta-sep{display:inline-block;width:1px;height:12px;background:var(--gold);opacity:.6;}

/* ============ 封面图 ============ */
.article-section{padding:64px 0 88px;}
.feature-figure{
  max-width:1100px;margin:0 auto 56px;
}
.feature-figure img{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  border-radius:var(--r-img);border:1px solid var(--line);
  box-shadow:var(--sh-1);
}
.feature-figure figcaption{
  margin-top:12px;text-align:center;font-size:.8125rem;color:var(--muted);
}

/* ============ 正文 ============ */
.article-body{
  max-width:740px;margin:0 auto;
  font-size:1rem;line-height:1.9;color:var(--text);
  overflow-wrap:break-word;
}
.article-body > * + *{margin-top:1.4em;}
.article-body p{line-height:1.9;}
.article-body h2{
  font-size:clamp(1.3rem,2.2vw,1.6rem);font-weight:800;line-height:1.3;
  margin-top:2.4em;margin-bottom:.8em;padding-left:16px;
  border-left:3px solid var(--mint);
}
.article-body h3{
  font-size:1.25rem;font-weight:700;margin-top:1.8em;margin-bottom:.6em;
}
.article-body h4{font-size:1.0625rem;font-weight:700;margin-top:1.6em;margin-bottom:.5em;}
.article-body ul,.article-body ol{padding-left:1.4em;margin-top:1.2em;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin-bottom:.6em;line-height:1.85;}
.article-body li::marker{color:var(--mint-deep);}
.article-body blockquote{
  margin:2em 0;padding:20px 22px;
  border-left:3px solid var(--gold);background:var(--bg);
  border-radius:0 var(--r-input) var(--r-input) 0;
  color:var(--text);
}
.article-body blockquote p{margin:0;}
.article-body blockquote p + p{margin-top:.8em;}
.article-body a{
  color:var(--text);
  text-decoration:none;
  background-image:linear-gradient(var(--mint),var(--mint));
  background-repeat:no-repeat;background-position:0 100%;background-size:0 2px;
  transition:background-size .28s var(--ease),color .2s var(--ease);
}
.article-body a:hover{color:var(--mint-deep);background-size:100% 2px;}
.article-body img{
  width:100%;border-radius:var(--r-img);margin:24px 0 8px;
  border:1px solid var(--line);
}
.article-body figure{margin:2em 0;}
.article-body figcaption{
  text-align:center;font-size:.8125rem;color:var(--muted);margin-top:10px;
}
.article-body table{
  display:block;width:100%;overflow-x:auto;
  border-collapse:collapse;font-size:.9375rem;
}
.article-body th,.article-body td{
  border:1px solid var(--line);padding:12px 14px;text-align:left;vertical-align:top;
}
.article-body th{background:var(--bg);font-weight:700;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.4em 0;}

/* 空态 */
.empty-state{
  min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;text-align:center;padding:40px 24px;
  background:var(--bg);border:1px dashed var(--line);border-radius:var(--r-card);
}
.empty-state i{font-size:24px;color:var(--gold);}
.empty-state p{font-size:.9375rem;color:var(--muted);margin:0;}

/* 标签行 */
.tag-row{
  max-width:740px;margin:64px auto 0;padding-top:28px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
}
.tag-label{font-size:.8125rem;letter-spacing:.06em;color:var(--muted);}
.tag{
  display:inline-flex;align-items:center;
  padding:6px 16px;border:1px solid var(--line);border-radius:var(--r-pill);
  background:var(--card);font-size:.8125rem;color:var(--text);
  transition:border-color .18s var(--ease),color .18s var(--ease),background-color .18s var(--ease);
}
.tag:hover{border-color:var(--ink);color:var(--mint-deep);background:rgba(47,224,166,.08);}
.back-btn{margin-left:auto;}

/* ============ 相关推荐 ============ */
.related-section{padding:0 0 96px;}
.related-section .section-head{margin-bottom:32px;}
.card-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:28px;
}
.card{
  position:relative;display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:var(--mint);transform:scaleX(0);transform-origin:left;
  transition:transform .3s var(--ease);z-index:3;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.card:hover::before{transform:scaleX(1);}
.card-media{position:relative;overflow:hidden;background:var(--bg);}
.card-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  transition:transform .4s var(--ease);
}
.card:hover .card-media img{transform:scale(1.04);}
.card-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto;}
.card-body h3{font-size:1.125rem;font-weight:700;line-height:1.45;}
.card-body p{font-size:.9375rem;color:var(--muted);line-height:1.8;}
.card-foot{
  margin-top:auto;padding-top:16px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:.8125rem;letter-spacing:.06em;color:var(--muted);
}
.card-foot i{color:var(--gold);transition:transform .2s var(--ease),color .2s var(--ease);}
.card:hover .card-foot i{transform:translateX(3px);color:var(--mint-deep);}

/* ============ CTA 条 ============ */
.cta-band{
  position:relative;background:var(--ink);color:#fff;
  padding:80px 0;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;opacity:.06;
  background-image:linear-gradient(rgba(255,255,255,.6) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.6) 1px,transparent 1px);
  background-size:48px 48px;
}
.cta-band .container{position:relative;z-index:2;}
.cta-band h2{
  font-size:clamp(1.5rem,2.8vw,2.2rem);font-weight:800;letter-spacing:-.02em;color:#fff;
}
.cta-band p{margin-top:14px;color:rgba(247,246,242,.72);font-size:.9375rem;max-width:640px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:16px;margin-top:32px;}
.cta-band .btn-primary{background:var(--mint);color:var(--ink);}
.cta-band .btn-primary:hover{background:#fff;color:var(--ink);}
.cta-band .btn-ghost{color:#fff;border-color:rgba(255,255,255,.28);}
.cta-band .btn-ghost:hover{border-color:var(--mint);color:var(--mint);background:transparent;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink);color:rgba(247,246,242,.72);
  padding:72px 0 28px;font-size:.9375rem;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:48px;border-bottom:1px solid rgba(228,225,216,.14);
}
.footer-brand .logo{color:#fff;}
.footer-brand .logo-mark{background:#182925;}
.footer-brand p{margin-top:18px;line-height:1.9;color:rgba(247,246,242,.6);max-width:320px;}
.footer-col h4{
  font-size:.8125rem;font-weight:600;letter-spacing:.1em;
  color:var(--gold);margin-bottom:18px;
}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a,.footer-col span{color:rgba(247,246,242,.72);}
.footer-col a:hover{color:var(--mint);}
.footer-bottom{
  padding-top:24px;display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;
}
.footer-bottom small{font-size:.8125rem;color:rgba(247,246,242,.5);}
.disclaimer{font-size:.8125rem;color:rgba(247,246,242,.45);max-width:620px;line-height:1.8;}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(12px);}
.reveal.is-in{
  opacity:1;transform:translateY(0);
  transition:opacity .42s var(--ease),transform .42s var(--ease);
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .card-grid{gap:24px;}
}
@media (max-width:991px){
  .main-nav,.nav-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .tabbar{display:flex;}
  body{padding-bottom:calc(60px + env(safe-area-inset-bottom));}
  .section{padding:72px 0;}
  .article-section{padding:48px 0 72px;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  .article-hero{padding:40px 0 48px;}
  .article-hero h1{margin:18px 0 20px;}
  .feature-figure{margin-bottom:40px;}
  .tag-row{margin-top:48px;}
  .back-btn{margin-left:0;width:100%;}
  .cta-band{padding:64px 0;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:575px){
  .logo{font-size:.9375rem;}
  .card-grid{grid-template-columns:1fr;gap:22px;}
  .article-body{font-size:.9688rem;}
  .cta-actions{flex-direction:column;align-items:stretch;}
  .cta-actions .btn{width:100%;}
}

/* roulang page: category2 */
:root{
  --ink:#0B1512;
  --ink-2:#14211D;
  --mint:#2FE0A6;
  --gold:#C8A96A;
  --bg:#F7F6F2;
  --card:#FFFFFF;
  --line:#E4E1D8;
  --text:#1A1F1D;
  --muted:#5D6663;
  --danger:#C4553B;
  --radius-card:14px;
  --radius-img:12px;
  --radius-input:8px;
  --shadow-soft:0 1px 2px rgba(11,21,18,.04), 0 14px 34px -22px rgba(11,21,18,.20);
  --shadow-hover:0 18px 40px -20px rgba(11,21,18,.28);
  --ease:cubic-bezier(.22,.61,.36,1);
  --nav-h:72px;
  --tab-h:60px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"Noto Sans SC",-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:1rem;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
  padding-bottom:calc(var(--tab-h) + env(safe-area-inset-bottom));
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--ink);text-decoration:none;transition:color .18s var(--ease);}
a:hover{color:var(--mint);}
h1,h2,h3,h4{margin:0;color:var(--ink);}
p{margin:0 0 1.4em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
:focus-visible{outline:2px solid var(--mint);outline-offset:3px;border-radius:4px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.site-header.is-scrolled{
  background:var(--bg);
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 2px rgba(11,21,18,.04);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:var(--nav-h);gap:20px;}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  font-weight:700;letter-spacing:.02em;font-size:1.0625rem;color:var(--ink);
}
.logo:hover{color:var(--ink);}
.logo-mark{
  width:26px;height:26px;flex:0 0 26px;border-radius:7px;
  background:var(--ink);
  position:relative;
  display:inline-block;
}
.logo-mark::before{
  content:"";position:absolute;inset:7px;
  border:2px solid var(--mint);
  transform:rotate(45deg);border-radius:2px;
}
.main-nav{display:flex;align-items:center;gap:6px;}
.main-nav a{
  position:relative;
  padding:8px 14px;border-radius:999px;
  font-size:.9375rem;font-weight:500;color:var(--text);
}
.main-nav a::after{
  content:"";position:absolute;left:50%;bottom:2px;
  width:0;height:2px;background:var(--mint);border-radius:2px;
  transform:translateX(-50%);transition:width .24s var(--ease);
}
.main-nav a:hover{color:var(--ink);}
.main-nav a:hover::after{width:22px;}
.main-nav a.is-active{color:var(--ink);font-weight:700;}
.main-nav a.is-active::after{width:22px;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  color:var(--ink);font-size:1.15rem;border:1px solid var(--line);
}
.nav-toggle:hover{border-color:var(--ink);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-weight:600;line-height:1;
  padding:14px 28px;font-size:1rem;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease);
  border:1px solid transparent;
}
.btn-primary{background:var(--ink);color:#fff;}
.btn-primary:hover{background:var(--mint);color:var(--ink);}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink);}
.btn-ghost:hover{border-color:var(--ink);background:var(--card);color:var(--ink);}
.btn-sm{padding:11px 22px;font-size:.875rem;}
.btn-lg{padding:16px 34px;font-size:1.0625rem;}
.btn-on-dark{background:var(--mint);color:var(--ink);}
.btn-on-dark:hover{background:#fff;color:var(--ink);}
.btn-outline-dark{background:transparent;border-color:rgba(247,246,242,.4);color:var(--bg);}
.btn-outline-dark:hover{border-color:var(--mint);color:var(--mint);background:transparent;}
.text-link{
  display:inline-flex;align-items:center;gap:8px;
  font-weight:600;color:var(--ink);
}
.text-link i{transition:transform .18s var(--ease);}
.text-link:hover{color:var(--mint);}
.text-link:hover i{transform:translateX(3px);}

/* ---------- category hero ---------- */
.cat-hero{
  background:var(--ink);color:var(--bg);
  position:relative;overflow:hidden;
  margin-top:calc(var(--nav-h) * -1);
  padding-top:calc(var(--nav-h) + 56px);
  padding-bottom:64px;
}
.cat-hero .hero-bg{
  position:absolute;top:0;right:0;bottom:0;width:34%;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  opacity:.5;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 70%);
  mask-image:linear-gradient(90deg,transparent,#000 70%);
}
.cat-hero .hero-inner{position:relative;z-index:2;max-width:760px;}
.crumb{display:flex;align-items:center;gap:8px;font-size:.8125rem;color:rgba(247,246,242,.62);letter-spacing:.06em;font-weight:500;margin-bottom:22px;}
.crumb a{color:rgba(247,246,242,.62);}
.crumb a:hover{color:var(--mint);}
.crumb span.sep{opacity:.5;}
.crumb strong{color:var(--bg);font-weight:600;}
.cat-hero h1{
  color:var(--bg);
  font-size:clamp(2.1rem,5vw,3.5rem);
  font-weight:900;line-height:1.08;letter-spacing:-.03em;
}
.cat-hero h1 em{font-style:normal;color:var(--mint);}
.hero-sub{margin-top:20px;font-size:1.0625rem;color:rgba(247,246,242,.78);max-width:600px;line-height:1.85;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.hero-facts{
  display:flex;flex-wrap:wrap;gap:18px;margin-top:38px;
  padding-top:22px;border-top:1px solid rgba(200,169,106,.28);
  font-size:.9375rem;color:rgba(247,246,242,.72);
}
.hero-facts i{color:var(--mint);margin-right:8px;}

/* ---------- section base ---------- */
.section{padding:96px 0;}
.section-alt{background:var(--card);}
.section-head{max-width:740px;margin-bottom:40px;}
.section-head .eyebrow{
  display:inline-block;font-size:.8125rem;font-weight:500;letter-spacing:.06em;
  color:var(--muted);margin-bottom:12px;
}
.section-head h2{
  font-size:clamp(1.5rem,2.8vw,2.2rem);font-weight:800;line-height:1.2;
}
.section-head p{margin-top:16px;color:var(--muted);font-size:1rem;}

/* ---------- intro ---------- */
.intro-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start;}
.intro-grid .copy p{color:var(--text);}
.intro-note{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:28px;box-shadow:var(--shadow-soft);
}
.intro-note h3{font-size:1.0625rem;font-weight:700;margin-bottom:14px;}
.intro-note ul li{
  display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--line);
  font-size:.9375rem;color:var(--muted);
}
.intro-note ul li:last-child{border-bottom:0;padding-bottom:0;}
.intro-note ul li i{color:var(--mint);margin-top:6px;font-size:.75rem;}

/* ---------- feature cards (2x2 uneven) ---------- */
.feature-grid{
  display:grid;grid-template-columns:repeat(2,1fr);
  gap:28px;align-items:start;
}
.fcard{
  position:relative;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px;box-shadow:var(--shadow-soft);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
  overflow:hidden;
}
.fcard::before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;
  background:var(--mint);transform:scaleX(0);transform-origin:left;
  transition:transform .28s var(--ease);
}
.fcard:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#D8D4C8;}
.fcard:hover::before{transform:scaleX(1);}
.fcard .media{
  border-radius:var(--radius-img);overflow:hidden;margin-bottom:20px;
  aspect-ratio:16/10;background:var(--bg);
}
.fcard .media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.fcard:hover .media img{transform:scale(1.04);}
.fcard .num{
  position:absolute;top:22px;left:22px;z-index:3;
  min-width:38px;height:38px;padding:0 12px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:999px;background:var(--ink);color:var(--bg);
  font-weight:900;font-size:.875rem;letter-spacing:.04em;
}
.fcard h3{font-size:1.125rem;font-weight:700;margin-bottom:12px;}
.fcard p{font-size:.9375rem;color:var(--muted);line-height:1.85;}
.fcard .tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line);}
.tag{
  display:inline-flex;align-items:center;
  padding:5px 13px;border-radius:999px;
  border:1px solid var(--line);
  font-size:.8125rem;font-weight:500;color:var(--muted);letter-spacing:.02em;
}
.tag-gold{border-color:var(--gold);color:var(--ink);}
.fcard.is-tall .media{aspect-ratio:4/3;}

/* ---------- picker ---------- */
.picker{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.picker article{
  padding-top:22px;border-top:1px solid var(--gold);
}
.picker .idx{
  font-size:.8125rem;font-weight:500;letter-spacing:.06em;color:var(--gold);margin-bottom:14px;
}
.picker h3{font-size:1.0625rem;font-weight:700;margin-bottom:10px;}
.picker p{font-size:.9375rem;color:var(--muted);line-height:1.85;}
.quote-block{
  margin-top:48px;
  padding:22px 24px;
  background:var(--bg);
  border-left:3px solid var(--gold);
  border-radius:0 var(--radius-card) var(--radius-card) 0;
  font-size:1rem;color:var(--text);
}

/* ---------- faq ---------- */
.faq-list{max-width:860px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;text-align:left;
  font-size:1.0625rem;font-weight:600;color:var(--ink);
  transition:color .18s var(--ease);
}
.faq-q:hover{color:var(--mint);}
.faq-icon{
  flex:0 0 24px;width:24px;height:24px;border-radius:50%;
  border:1px solid var(--mint);color:var(--mint);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:.75rem;transition:transform .26s var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .26s var(--ease);
}
.faq-a p{
  max-width:68ch;font-size:.9375rem;color:var(--muted);line-height:1.85;
  padding-bottom:22px;
}

/* ---------- related links ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.rcard{
  display:block;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-soft);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
  color:var(--ink);
}
.rcard:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#D8D4C8;color:var(--ink);}
.rcard .badge{
  display:inline-block;padding:4px 12px;border-radius:999px;
  border:1px solid var(--gold);font-size:.8125rem;color:var(--ink);
  margin-bottom:16px;letter-spacing:.02em;
}
.rcard h3{font-size:1.0625rem;font-weight:700;margin-bottom:10px;}
.rcard p{font-size:.9375rem;color:var(--muted);line-height:1.8;}
.rcard .go{
  display:inline-flex;align-items:center;gap:8px;margin-top:18px;
  font-size:.875rem;font-weight:600;color:var(--ink);
}
.rcard:hover .go{color:var(--mint);}
.rcard:hover .go i{transform:translateX(3px);}
.rcard .go i{transition:transform .18s var(--ease);}

/* ---------- cta band ---------- */
.cta-band{
  background:var(--ink);color:var(--bg);
  position:relative;overflow:hidden;
  padding:80px 0;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(247,246,242,.06) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(247,246,242,.06) 1px,transparent 1px);
  background-size:64px 64px;
  pointer-events:none;
}
.cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;}
.cta-inner h2{color:var(--bg);font-size:clamp(1.5rem,2.8vw,2.2rem);font-weight:800;line-height:1.2;}
.cta-inner p{margin-top:14px;color:rgba(247,246,242,.72);font-size:1rem;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(247,246,242,.72);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .logo{color:var(--bg);font-size:1rem;margin-bottom:16px;}
.footer-brand .logo:hover{color:var(--bg);}
.footer-brand .logo-mark{background:rgba(247,246,242,.08);}
.footer-brand p{font-size:.9375rem;line-height:1.85;color:rgba(247,246,242,.62);max-width:280px;}
.footer-col h4{
  font-size:.8125rem;font-weight:600;letter-spacing:.1em;color:var(--gold);
  margin-bottom:18px;text-transform:uppercase;
}
.footer-col ul li{margin-bottom:12px;font-size:.9375rem;}
.footer-col ul li a,.footer-col ul li span{color:rgba(247,246,242,.72);font-size:.9375rem;}
.footer-col ul li a:hover{color:var(--mint);}
.footer-bottom{
  margin-top:56px;padding:22px 0;
  border-top:1px solid rgba(247,246,242,.12);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
}
.footer-bottom small{font-size:.8125rem;color:rgba(247,246,242,.55);}
.footer-bottom .disclaimer{font-size:.8125rem;color:rgba(247,246,242,.5);max-width:640px;}

/* ---------- mobile tab bar ---------- */
.tab-bar{
  display:none;
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  height:var(--tab-h);
  padding-bottom:env(safe-area-inset-bottom);
  background:var(--card);
  border-top:1px solid var(--line);
  box-shadow:0 -6px 24px -18px rgba(11,21,18,.4);
}
.tab-bar a{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  position:relative;font-size:.6875rem;color:var(--muted);font-weight:500;
}
.tab-bar a i{font-size:1.0625rem;}
.tab-bar a::before{
  content:"";position:absolute;top:0;left:50%;
  width:0;height:2px;background:var(--mint);border-radius:0 0 2px 2px;
  transform:translateX(-50%);transition:width .24s var(--ease);
}
.tab-bar a.is-active{color:var(--mint);font-weight:700;}
.tab-bar a.is-active::before{width:24px;}

/* ---------- mobile drawer ---------- */
.drawer{
  display:none;
  position:fixed;inset:0;z-index:80;
  background:var(--ink);color:var(--bg);
  padding:24px;
}
.drawer.is-open{display:flex;flex-direction:column;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:36px;}
.drawer-head .logo{color:var(--bg);}
.drawer-head .logo:hover{color:var(--bg);}
.drawer-close{width:42px;height:42px;border-radius:10px;border:1px solid rgba(247,246,242,.24);color:var(--bg);font-size:1.1rem;}
.drawer nav{display:flex;flex-direction:column;}
.drawer nav a{
  color:var(--bg);font-size:1.25rem;font-weight:700;
  padding:18px 0;border-bottom:1px solid rgba(247,246,242,.12);
}
.drawer nav a:hover,.drawer nav a.is-active{color:var(--mint);}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .42s var(--ease),transform .42s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .section{padding:80px 0;}
}
@media (max-width:991px){
  .main-nav{display:none;}
  .nav-cta{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .tab-bar{display:flex;}
  .section{padding:72px 0;}
  .intro-grid{grid-template-columns:1fr;gap:32px;}
  .picker{grid-template-columns:1fr;gap:24px;}
  .related-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cat-hero .hero-bg{width:46%;opacity:.34;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  .feature-grid{grid-template-columns:1fr;}
  .related-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .cat-hero{padding-top:calc(var(--nav-h) + 40px);padding-bottom:48px;}
  .cat-hero .hero-bg{display:none;}
  .hero-actions .btn{width:100%;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category1 */
:root{
  --ink:#0B1512;
  --ink-2:#14211D;
  --mint:#2FE0A6;
  --gold:#C8A96A;
  --bg:#F7F6F2;
  --card:#FFFFFF;
  --line:#E4E1D8;
  --text:#1A1F1D;
  --muted:#5D6663;
  --danger:#C4553B;
  --radius-card:14px;
  --radius-img:12px;
  --radius-input:8px;
  --shadow-sm:0 1px 2px rgba(11,21,18,.04), 0 14px 34px -22px rgba(11,21,18,.20);
  --shadow-lg:0 18px 40px -20px rgba(11,21,18,.28);
  --contain:1200px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC",-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.9;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--text);text-decoration:none;}
a:hover,a:focus{color:var(--mint);}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1{font-size:clamp(2.1rem,5vw,3.5rem);font-weight:900;line-height:1.08;letter-spacing:-0.03em;}
h2{font-size:clamp(1.5rem,2.8vw,2.2rem);font-weight:800;line-height:1.2;letter-spacing:-0.02em;}
h3{font-size:1.25rem;font-weight:700;line-height:1.5;}
p{line-height:1.9;}
.container{width:100%;max-width:var(--contain);margin:0 auto;padding:0 24px;}
.container-narrow{width:100%;max-width:740px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-head{max-width:720px;margin-bottom:40px;}
.section-head p{margin-top:16px;color:var(--muted);font-size:1rem;}
.eyebrow{display:inline-block;font-size:.8125rem;font-weight:500;letter-spacing:.06em;color:var(--muted);text-transform:uppercase;margin-bottom:14px;}
.gold-rule{width:56px;height:1px;background:var(--gold);margin:18px 0 0;}
:focus-visible{outline:2px solid var(--mint);outline-offset:3px;border-radius:4px;}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;border:1px solid transparent;font-weight:700;cursor:pointer;transition:background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease);}
.btn-lg{padding:16px 32px;font-size:16px;}
.btn-md{padding:14px 28px;font-size:15px;}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-primary{background:var(--ink);color:#fff;border-color:var(--ink);}
.btn-primary:hover,.btn-primary:focus{background:var(--mint);color:var(--ink);border-color:var(--mint);}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--line);}
.btn-ghost:hover,.btn-ghost:focus{border-color:var(--ink);background:var(--card);color:var(--ink);}
.btn-ghost-light{background:transparent;color:var(--bg);border-color:rgba(247,246,242,.4);}
.btn-ghost-light:hover,.btn-ghost-light:focus{border-color:var(--mint);color:var(--mint);}
.text-link{display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--text);}
.text-link i{transition:transform .18s var(--ease);}
.text-link:hover i,.text-link:focus i{transform:translateX(3px);}
.text-link:hover,.text-link:focus{color:var(--mint);}
.on-dark .text-link{color:var(--bg);}
.on-dark .text-link:hover{color:var(--mint);}

/* badge */
.badge{display:inline-flex;align-items:center;gap:6px;border-radius:999px;border:1px solid var(--gold);background:transparent;color:var(--text);font-size:.8125rem;font-weight:500;letter-spacing:.06em;padding:4px 14px;}
.badge-light{border-color:var(--gold);color:#F3EEE2;}

/* header */
.site-header{
  position:sticky;top:0;z-index:60;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background-color .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.site-header.is-scrolled{background:var(--bg);border-bottom:1px solid var(--line);box-shadow:0 1px 2px rgba(11,21,18,.04);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.02em;font-size:1rem;color:#F7F6F2;transition:color .24s var(--ease);}
.site-header.is-scrolled .logo{color:var(--ink);}
.logo-mark{width:20px;height:20px;border-radius:6px;background:linear-gradient(135deg,var(--mint) 0%,var(--mint) 48%,var(--gold) 52%,var(--gold) 100%);position:relative;flex:none;}
.logo-mark::after{content:"";position:absolute;inset:6px;background:var(--ink);border-radius:2px;}
.site-header.is-scrolled .logo-mark::after{background:var(--bg);}
.main-nav{display:flex;align-items:center;gap:28px;}
.main-nav a{font-size:.9375rem;font-weight:500;color:rgba(247,246,242,.82);position:relative;padding:6px 0;transition:color .2s var(--ease);}
.site-header.is-scrolled .main-nav a{color:var(--muted);}
.main-nav a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--mint);transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease);}
.main-nav a:hover,.main-nav a:focus{color:var(--mint);}
.main-nav a:hover::after,.main-nav a:focus::after,.main-nav a.is-active::after{transform:scaleX(1);}
.main-nav a.is-active{color:var(--mint);font-weight:700;}
.site-header.is-scrolled .main-nav a.is-active{color:var(--ink);}
.nav-cta{flex:none;}
.site-header:not(.is-scrolled) .nav-cta{background:transparent;border-color:rgba(247,246,242,.45);color:#F7F6F2;}
.site-header:not(.is-scrolled) .nav-cta:hover{background:var(--mint);border-color:var(--mint);color:var(--ink);}
.nav-toggle{display:none;background:transparent;border:1px solid rgba(247,246,242,.35);border-radius:999px;width:42px;height:42px;color:#F7F6F2;cursor:pointer;transition:border-color .2s var(--ease),color .2s var(--ease);}
.site-header.is-scrolled .nav-toggle{border-color:var(--line);color:var(--ink);}
.nav-toggle:hover{border-color:var(--mint);color:var(--mint);}
.mobile-menu{display:none;position:fixed;inset:72px 0 60px 0;background:var(--bg);z-index:55;padding:32px 24px;overflow-y:auto;}
.mobile-menu.is-open{display:block;}
.mobile-menu a{display:block;padding:18px 4px;border-bottom:1px solid var(--line);font-size:1.125rem;font-weight:600;}
.mobile-menu a.is-active{color:var(--mint);}
.mobile-menu .btn{width:100%;margin-top:26px;}

/* bottom tab */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;display:none;
  background:var(--card);border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
  box-shadow:0 -1px 2px rgba(11,21,18,.04);
}
.tabbar ul{display:flex;}
.tabbar li{flex:1;}
.tabbar a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;height:60px;font-size:.6875rem;font-weight:500;color:var(--muted);position:relative;}
.tabbar a i{font-size:1.05rem;}
.tabbar a::before{content:"";position:absolute;top:0;left:50%;width:22px;height:2px;background:var(--mint);transform:translateX(-50%) scaleX(0);transition:transform .24s var(--ease);}
.tabbar a.is-active{color:var(--mint);font-weight:700;}
.tabbar a.is-active::before{transform:translateX(-50%) scaleX(1);}

/* hero */
.hero{
  background:var(--ink);color:var(--bg);position:relative;overflow:hidden;
  margin-top:-72px;padding:calc(72px + 84px) 0 84px;
}
.hero::before{
  content:"";position:absolute;right:0;top:0;bottom:0;width:34%;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  opacity:.38;
  -webkit-mask-image:linear-gradient(to right,rgba(0,0,0,0),#000 55%);
  mask-image:linear-gradient(to right,rgba(0,0,0,0),#000 55%);
}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,var(--ink) 42%,rgba(11,21,18,.35) 100%);}
.hero .container{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:48px;align-items:end;}
.hero h1{color:#fff;margin-top:20px;}
.hero-sub{margin-top:20px;font-size:1.0625rem;color:rgba(247,246,242,.82);max-width:44ch;}
.hero-actions{margin-top:32px;display:flex;align-items:center;gap:24px;flex-wrap:wrap;}
.trust-row{display:flex;flex-wrap:wrap;gap:0;margin-top:44px;}
.trust-row li{display:flex;align-items:center;font-size:.9375rem;color:rgba(247,246,242,.86);}
.trust-row li+li::before{content:"";display:inline-block;width:1px;height:16px;background:var(--gold);margin:0 20px;}
.hero-side{border-left:1px solid rgba(200,169,106,.45);padding-left:28px;}
.hero-side h3{color:#fff;font-size:1rem;font-weight:700;}
.hero-side ul{margin-top:14px;}
.hero-side li{font-size:.9375rem;color:rgba(247,246,242,.78);padding:8px 0;border-bottom:1px solid rgba(247,246,242,.12);}
.hero-side li:last-child{border-bottom:0;}
.hero-side li span{color:var(--gold);font-weight:700;margin-right:8px;font-size:.8125rem;letter-spacing:.06em;}

/* breadcrumb */
.breadcrumb{padding:24px 0 0;font-size:.8125rem;color:var(--muted);font-weight:500;letter-spacing:.02em;}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.breadcrumb li::after{content:"/";margin-left:8px;color:var(--line);}
.breadcrumb li:last-child::after{content:"";}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--mint);}
.breadcrumb .current{color:var(--ink);font-weight:700;}

/* intro band */
.intro-band{padding:56px 0 0;}
.intro-band p{color:var(--muted);font-size:1rem;}
.intro-band p+p{margin-top:1.4em;}

/* numbered list (no cards) */
.num-list{margin-top:8px;}
.num-list li{display:grid;grid-template-columns:88px 1fr;gap:24px;padding:34px 0;border-bottom:1px solid var(--line);}
.num-list li:first-child{border-top:1px solid var(--line);}
.num-list .no{font-size:1.75rem;font-weight:900;letter-spacing:-0.03em;color:var(--gold);line-height:1;}
.num-list h3{margin-bottom:10px;}
.num-list p{color:var(--muted);font-size:.9375rem;line-height:1.85;}

/* steps alternating */
.step-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:44px 0;border-top:1px solid var(--line);}
.step-row:last-child{border-bottom:1px solid var(--line);}
.step-row.rev .step-media{order:2;}
.step-media{position:relative;border-radius:var(--radius-img);overflow:hidden;background:var(--bg);box-shadow:var(--shadow-sm);}
.step-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s var(--ease);}
.step-media:hover img{transform:scale(1.04);}
.step-no{width:44px;height:44px;border-radius:999px;background:var(--ink);color:var(--mint);display:inline-flex;align-items:center;justify-content:center;font-weight:900;font-size:1rem;margin-bottom:18px;}
.step-body h3{font-size:1.25rem;font-weight:700;margin-bottom:12px;}
.step-body p{color:var(--muted);font-size:.9375rem;line-height:1.85;}
.step-body ul{margin-top:16px;}
.step-body ul li{position:relative;padding-left:18px;font-size:.9375rem;color:var(--muted);line-height:1.85;margin-bottom:8px;}
.step-body ul li::before{content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:999px;background:var(--mint);}

/* checklist panel */
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);padding:36px;box-shadow:var(--shadow-sm);}
.panel-list li{display:flex;gap:14px;padding:14px 0;border-bottom:1px solid var(--line);font-size:.9375rem;color:var(--muted);}
.panel-list li:last-child{border-bottom:0;}
.panel-list i{color:var(--mint);margin-top:.45em;font-size:.9rem;}
.panel-list strong{color:var(--text);font-weight:700;}

/* split section */
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;align-items:start;}
.audience-tags{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 26px;}
.tag{display:inline-flex;align-items:center;border:1px solid var(--line);background:var(--card);border-radius:999px;padding:6px 16px;font-size:.8125rem;font-weight:500;color:var(--muted);letter-spacing:.02em;}
.plain-list li{padding:16px 0;border-bottom:1px solid var(--line);font-size:.9375rem;color:var(--muted);}
.plain-list li:first-child{border-top:1px solid var(--line);}
.plain-list strong{display:block;color:var(--text);font-weight:700;font-size:1rem;margin-bottom:6px;}

/* link cards */
.link-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.link-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;display:flex;flex-direction:column;position:relative;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.link-card::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--mint);transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease);z-index:3;}
.link-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);}
.link-card:hover::before{transform:scaleX(1);}
.link-card .thumb{overflow:hidden;background:var(--bg);}
.link-card .thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s var(--ease);}
.link-card:hover .thumb img{transform:scale(1.04);}
.link-card .card-body{padding:24px 24px 20px;display:flex;flex-direction:column;flex:1;}
.link-card h3{margin:14px 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.link-card p{color:var(--muted);font-size:.9375rem;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.link-card .card-foot{margin-top:auto;padding-top:16px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:.8125rem;color:var(--muted);font-weight:500;letter-spacing:.04em;}
.link-card .card-foot i{transition:transform .18s var(--ease);}
.link-card:hover .card-foot i{transform:translateX(4px);color:var(--mint);}
.link-card .badge{position:absolute;top:16px;left:16px;z-index:2;background:rgba(255,255,255,.92);}

/* FAQ */
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{width:100%;background:transparent;border:0;text-align:left;padding:24px 0;display:flex;align-items:center;justify-content:space-between;gap:24px;cursor:pointer;font-size:17px;font-weight:600;line-height:1.6;color:var(--text);transition:color .2s var(--ease);}
.faq-q:hover{color:var(--mint);}
.faq-icon{flex:none;width:24px;height:24px;border-radius:999px;border:1px solid var(--mint);color:var(--mint);display:inline-flex;align-items:center;justify-content:center;font-size:.75rem;transition:transform .26s var(--ease),background-color .26s var(--ease);}
.faq-item.is-open .faq-icon{background:var(--mint);color:var(--ink);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s var(--ease);}
.faq-a p{padding:0 0 26px;max-width:68ch;font-size:15px;color:var(--muted);line-height:1.85;}

/* CTA band */
.cta-band{background:var(--ink);color:var(--bg);position:relative;overflow:hidden;}
.cta-band::before{
  content:"";position:absolute;inset:0;opacity:.06;pointer-events:none;
  background-image:linear-gradient(rgba(247,246,242,.9) 1px,transparent 1px),linear-gradient(90deg,rgba(247,246,242,.9) 1px,transparent 1px);
  background-size:56px 56px;
}
.cta-band .container{position:relative;z-index:2;padding-top:80px;padding-bottom:80px;}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;}
.cta-inner h2{color:#fff;max-width:22ch;}
.cta-inner p{margin-top:14px;color:rgba(247,246,242,.78);font-size:1rem;max-width:46ch;}
.cta-actions{display:flex;gap:16px;flex-wrap:wrap;}

/* footer */
.site-footer{background:var(--ink);color:rgba(247,246,242,.72);padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand .logo{color:#fff;font-size:1.0625rem;}
.footer-brand .logo-mark::after{background:var(--ink);}
.footer-brand p{margin-top:18px;font-size:.9375rem;color:rgba(247,246,242,.62);max-width:30ch;line-height:1.8;}
.footer-col h4{font-size:13px;font-weight:600;letter-spacing:.1em;color:var(--gold);margin-bottom:18px;}
.footer-col li{padding:7px 0;font-size:.9375rem;}
.footer-col a{color:rgba(247,246,242,.72);}
.footer-col a:hover,.footer-col a:focus{color:var(--mint);}
.footer-col span{color:rgba(247,246,242,.62);}
.footer-bottom{border-top:1px solid rgba(247,246,242,.14);padding:22px 0 30px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;}
.footer-bottom small{font-size:13px;color:rgba(247,246,242,.55);}
.disclaimer{font-size:13px;color:rgba(247,246,242,.5);max-width:62ch;line-height:1.7;}

/* reveal */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .42s var(--ease),transform .42s var(--ease);}
.reveal.is-visible{opacity:1;transform:none;}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;}
}
@media (max-width:1199px){
  .section{padding:80px 0;}
}
@media (max-width:991px){
  .main-nav,.nav-cta{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .tabbar{display:block;}
  body{padding-bottom:60px;}
  .section{padding:72px 0;}
  .hero{margin-top:-72px;padding:calc(72px + 64px) 0 64px;}
  .hero::before{width:48%;opacity:.3;}
  .hero-grid{grid-template-columns:1fr;gap:36px;align-items:start;}
  .hero-side{border-left:0;padding-left:0;border-top:1px solid rgba(200,169,106,.45);padding-top:24px;}
  .step-row{grid-template-columns:1fr;gap:28px;}
  .step-row.rev .step-media{order:0;}
  .split{grid-template-columns:1fr;gap:36px;}
  .link-cards{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .container-narrow{padding:0 20px;}
  .section{padding:56px 0;}
  .num-list li{grid-template-columns:52px 1fr;gap:18px;padding:26px 0;}
  .num-list .no{font-size:1.375rem;}
  .panel{padding:24px;}
  .link-cards{grid-template-columns:1fr;}
  .cta-band .container{padding-top:56px;padding-bottom:56px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .hero-actions .btn{width:100%;}
  .hero-actions{flex-direction:column;align-items:stretch;gap:16px;}
  .trust-row{margin-top:32px;}
  .trust-row li{font-size:.875rem;}
  .trust-row li+li::before{margin:0 12px;}
}
@media (max-width:575px){
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  h1{font-size:2rem;}
}

/* roulang page: category3 */
:root{
  --ink:#0B1512;
  --ink-2:#14211D;
  --mint:#2FE0A6;
  --gold:#C8A96A;
  --bg:#F7F6F2;
  --card:#FFFFFF;
  --line:#E4E1D8;
  --text:#1A1F1D;
  --muted:#5D6663;
  --danger:#C4553B;

  --radius-card:14px;
  --radius-img:12px;
  --radius-input:8px;

  --shadow-sm:0 1px 2px rgba(11,21,18,.04), 0 14px 34px -22px rgba(11,21,18,.20);
  --shadow-lg:0 18px 40px -20px rgba(11,21,18,.28);

  --ease:cubic-bezier(.22,.61,.36,1);
  --container:1200px;
  --read:740px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC",-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:1rem;
  font-weight:400;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border:0}
a{color:inherit;text-decoration:none;background-color:transparent}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.2;letter-spacing:-.02em;color:inherit}
p{margin:0 0 1.4em}
p:last-child{margin-bottom:0}
strong{font-weight:700}
:focus-visible{outline:2px solid var(--mint);outline-offset:3px;border-radius:6px}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.read{max-width:var(--read)}
.section{padding:96px 0}
.section--tight{padding:72px 0}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background-color .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.site-header.is-scrolled{
  background:var(--bg);
  border-bottom-color:var(--line);
  box-shadow:0 1px 2px rgba(11,21,18,.05);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:1.0625rem;font-weight:700;letter-spacing:.02em;color:var(--text);
}
.logo-mark{
  position:relative;flex:0 0 auto;width:28px;height:28px;border-radius:8px;background:var(--ink);
}
.logo-mark::before{
  content:"";position:absolute;left:7px;top:7px;right:7px;bottom:7px;
  border:2px solid var(--mint);border-radius:3px;
}
.logo-mark::after{
  content:"";position:absolute;right:3px;top:3px;width:5px;height:5px;border-radius:1px;background:var(--gold);
}
.main-nav{display:flex;align-items:center;gap:30px}
.main-nav a{
  position:relative;padding:6px 2px;
  font-size:.9375rem;font-weight:500;color:var(--muted);
  transition:color .18s var(--ease);
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;border-radius:2px;
  background:var(--mint);transform:scaleX(0);transform-origin:left;
  transition:transform .24s var(--ease);
}
.main-nav a:hover{color:var(--text)}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav a.is-active{color:var(--text);font-weight:700}
.main-nav a.is-active::after{transform:scaleX(1)}

.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
  color:var(--text);font-size:1.05rem;background:var(--card);
  transition:border-color .18s var(--ease),color .18s var(--ease);
}
.nav-toggle:hover{border-color:var(--ink)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;border:1px solid transparent;font-weight:600;line-height:1.2;
  transition:background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
}
.btn i{font-size:.875em}
.btn-lg{padding:16px 34px;font-size:1rem}
.btn-md{padding:14px 28px;font-size:.9375rem}
.btn-sm{padding:10px 22px;font-size:.875rem}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{background:var(--mint);color:var(--ink)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text)}
.btn-ghost:hover{border-color:var(--ink);background:var(--card)}
.btn-light{background:var(--bg);color:var(--ink)}
.btn-light:hover{background:var(--mint);color:var(--ink)}
.btn-outline-light{background:transparent;border-color:rgba(247,246,242,.34);color:var(--bg)}
.btn-outline-light:hover{border-color:var(--mint);color:var(--mint)}
.btn:active{transform:translateY(1px)}

.text-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.9375rem;font-weight:600;color:var(--text);
  transition:color .18s var(--ease);
}
.text-link i{transition:transform .18s var(--ease)}
.text-link:hover{color:var(--mint)}
.text-link:hover i{transform:translateX(3px)}
.text-link--light{color:var(--bg)}
.text-link--light:hover{color:var(--mint)}

/* ---------- 分类页 Hero ---------- */
.cat-hero{position:relative;background:var(--ink);color:var(--bg);overflow:hidden;border-bottom:1px solid rgba(200,169,106,.16)}
.cat-hero .hero-grid{
  position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);
  background-size:64px 64px;
}
.cat-hero .container{position:relative;z-index:2}
.hero-top{padding-top:26px}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:9px;
  font-size:.8125rem;font-weight:500;letter-spacing:.06em;color:rgba(247,246,242,.6);
}
.breadcrumb a{color:rgba(247,246,242,.6);transition:color .18s var(--ease)}
.breadcrumb a:hover{color:var(--mint)}
.breadcrumb .sep{opacity:.45}
.breadcrumb .current{color:var(--bg);font-weight:600}
.hero-inner{
  display:grid;grid-template-columns:1fr;gap:36px;
  padding:34px 0 60px;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 15px;border-radius:999px;border:1px solid rgba(200,169,106,.5);
  font-size:.8125rem;font-weight:600;letter-spacing:.06em;color:var(--gold);
  margin-bottom:22px;
}
.cat-hero h1{
  font-size:clamp(2.1rem,5vw,3.4rem);font-weight:900;line-height:1.08;letter-spacing:-.03em;
  color:var(--bg);max-width:22ch;
}
.hero-sub{
  margin:20px 0 0;font-size:1.0625rem;line-height:1.85;color:rgba(247,246,242,.74);max-width:44ch;
}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:20px;margin-top:32px}
.hero-points{display:flex;flex-wrap:wrap;margin-top:34px}
.hero-points li{
  padding:0 18px;font-size:.875rem;color:rgba(247,246,242,.7);
  border-left:1px solid rgba(200,169,106,.55);
}
.hero-points li:first-child{padding-left:0;border-left:0}
.hero-media{
  position:relative;overflow:hidden;border-radius:var(--radius-img);
  border:1px solid rgba(200,169,106,.45);height:210px;
}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media::after{content:"";position:absolute;inset:0;background:rgba(11,21,18,.3)}

/* ---------- 板块标题 ---------- */
.section-head{max-width:780px;margin-bottom:44px}
.eyebrow{
  display:block;margin-bottom:14px;
  font-size:.8125rem;font-weight:600;letter-spacing:.08em;color:var(--gold);
}
.section-head h2{font-size:clamp(1.5rem,2.8vw,2.2rem);font-weight:800;line-height:1.2}
.section-head p{margin-top:16px;font-size:1rem;color:var(--muted)}
.body-text p{font-size:1rem;line-height:1.9;color:var(--muted);margin-bottom:1.4em}
.body-text p:last-child{margin-bottom:0}
.body-text strong{color:var(--text)}

/* ---------- 图文块 ---------- */
.split{display:grid;grid-template-columns:1fr;gap:36px;align-items:center}
.split-media{overflow:hidden;border-radius:var(--radius-img);border:1px solid var(--line)}
.split-media img{width:100%;aspect-ratio:16/10;object-fit:cover}

/* ---------- 信号卡 ---------- */
.signal-grid{display:grid;grid-template-columns:1fr;gap:24px;margin-top:8px}
.signal-card{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:30px 26px 26px;overflow:hidden;
  transition:box-shadow .24s var(--ease),transform .24s var(--ease),border-color .24s var(--ease);
}
.signal-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;background:var(--mint);
  transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease);
}
.signal-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px);border-color:transparent}
.signal-card:hover::before{transform:scaleX(1)}
.signal-num{font-size:.8125rem;font-weight:600;letter-spacing:.08em;color:var(--gold)}
.signal-card h3{font-size:1.125rem;font-weight:700;margin:14px 0 10px}
.signal-card p{font-size:.9375rem;line-height:1.85;color:var(--muted);margin:0}

/* ---------- 时间线 ---------- */
.timeline{position:relative;display:grid;grid-template-columns:1fr;margin-top:12px}
.tl-step{position:relative;padding-bottom:34px}
.tl-dot{
  display:inline-flex;align-items:center;justify-content:center;
  width:52px;height:52px;border-radius:999px;background:var(--card);
  border:1px solid var(--line);box-shadow:var(--shadow-sm);
  font-size:1rem;font-weight:900;letter-spacing:-.02em;color:var(--ink);
  position:relative;z-index:2;
}
.tl-step h3{font-size:1.125rem;font-weight:700;margin:16px 0 10px}
.tl-step p{font-size:.9375rem;line-height:1.85;color:var(--muted);margin:0}

/* ---------- 适用场景 ---------- */
.scene-grid{display:grid;grid-template-columns:1fr}
.scene-item{padding:26px 0 22px;border-top:1px solid var(--gold)}
.scene-item h3{font-size:1.0625rem;font-weight:700;margin-bottom:10px}
.scene-item p{font-size:.9375rem;line-height:1.85;color:var(--muted);margin:0}

/* ---------- 卡片 ---------- */
.card-grid{display:grid;grid-template-columns:1fr;gap:28px}
.card{
  position:relative;display:flex;flex-direction:column;overflow:hidden;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  transition:box-shadow .24s var(--ease),transform .24s var(--ease),border-color .24s var(--ease);
}
.card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;background:var(--mint);
  transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease);z-index:3;
}
.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px);border-color:transparent}
.card:hover::before{transform:scaleX(1)}
.card-media{position:relative;overflow:hidden;background:var(--bg);aspect-ratio:16/10}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
.card:hover .card-media img{transform:scale(1.04)}
.card-badge{
  position:absolute;left:14px;top:14px;z-index:2;
  padding:5px 13px;border-radius:999px;border:1px solid var(--gold);
  background:rgba(247,246,242,.94);color:var(--ink);
  font-size:.75rem;font-weight:600;letter-spacing:.06em;
}
.card-body{display:flex;flex-direction:column;flex:1;padding:22px 22px 18px}
.card-body h3{font-size:1.125rem;font-weight:700;margin-bottom:10px}
.card-body p{font-size:.9375rem;line-height:1.8;color:var(--muted);margin-bottom:18px}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:14px;border-top:1px solid var(--line);
  font-size:.8125rem;font-weight:500;letter-spacing:.06em;color:var(--muted);
}
.card-foot .go{
  display:inline-flex;align-items:center;justify-content:center;
  width:30px;height:30px;border-radius:999px;border:1px solid var(--line);
  color:var(--text);transition:background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.card:hover .card-foot .go{background:var(--mint);border-color:var(--mint);color:var(--ink)}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:24px 0;text-align:left;
  font-size:1.0625rem;font-weight:600;line-height:1.6;color:var(--text);
  transition:color .18s var(--ease);
}
.faq-q:hover{color:var(--ink)}
.faq-icon{
  flex:0 0 26px;width:26px;height:26px;border-radius:999px;
  border:1px solid var(--mint);color:var(--mint);
  display:inline-flex;align-items:center;justify-content:center;font-size:.7rem;
  transition:transform .26s var(--ease),background-color .26s var(--ease),color .26s var(--ease);
}
.faq-item.is-open .faq-icon{background:var(--mint);color:var(--ink);transform:rotate(45deg)}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .26s var(--ease)}
.faq-item.is-open .faq-a{grid-template-rows:1fr}
.faq-a-inner{min-height:0;overflow:hidden}
.faq-text{
  max-width:68ch;padding-bottom:26px;
  font-size:.9375rem;line-height:1.85;color:var(--muted);
}

/* ---------- CTA 条 ---------- */
.cta-band{position:relative;background:var(--ink);color:var(--bg);overflow:hidden;padding:88px 0}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:72px 72px;
}
.cta-band .container{position:relative;z-index:2}
.cta-inner{max-width:720px}
.cta-band h2{font-size:clamp(1.5rem,2.8vw,2.2rem);font-weight:800;color:var(--bg)}
.cta-band p{margin:18px 0 32px;font-size:1rem;color:rgba(247,246,242,.72)}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(247,246,242,.72);padding-top:72px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px;padding-bottom:48px}
.footer-brand .logo{color:var(--bg)}
.site-footer .logo-mark{background:var(--ink-2);border:1px solid rgba(255,255,255,.12)}
.footer-brand p{margin-top:18px;font-size:.9375rem;line-height:1.85;max-width:32ch}
.footer-col h4{font-size:.8125rem;font-weight:600;letter-spacing:.1em;color:var(--gold);margin-bottom:20px}
.footer-col ul li{margin-bottom:12px;font-size:.9375rem;line-height:1.7}
.footer-col a,.footer-col span{transition:color .18s var(--ease)}
.footer-col a:hover{color:var(--mint)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  padding:22px 0 30px;border-top:1px solid rgba(255,255,255,.08);
  font-size:.8125rem;color:rgba(247,246,242,.55);
}
.footer-bottom .disclaimer{max-width:660px;line-height:1.7}

/* ---------- 移动端底部 Tab ---------- */
.mobile-tabbar{display:none}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .42s var(--ease),transform .42s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}

/* ---------- 断点 ---------- */
@media (min-width:576px){
  .scene-grid{grid-template-columns:repeat(2,1fr);column-gap:36px}
  .cat-hero .hero-media{height:250px}
}
@media (min-width:768px){
  .card-grid{grid-template-columns:repeat(3,1fr)}
  .signal-grid{grid-template-columns:repeat(3,1fr)}
  .split{grid-template-columns:1fr 1fr;gap:48px}
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
}
@media (min-width:992px){
  .hero-inner{grid-template-columns:minmax(0,1fr) 30%;align-items:center;gap:56px;padding:46px 0 84px}
  .cat-hero .hero-media{height:290px}
  .scene-grid{grid-template-columns:repeat(4,1fr);column-gap:28px}
  .timeline{grid-template-columns:repeat(4,1fr);gap:28px}
  .timeline::before{
    content:"";position:absolute;left:26px;right:26px;top:26px;height:1px;
    background:linear-gradient(90deg,rgba(200,169,106,0),rgba(200,169,106,.7),rgba(200,169,106,0));
  }
  .tl-step{padding:0 8px 0 0}
  .tl-step h3{margin-top:20px}
}
@media (max-width:991px){
  .nav-toggle{display:inline-flex}
  .main-nav{
    position:fixed;left:0;right:0;top:72px;bottom:0;z-index:99;
    display:flex;flex-direction:column;align-items:stretch;gap:0;
    padding:16px 24px 90px;background:var(--bg);
    border-top:1px solid var(--line);
    opacity:0;visibility:hidden;transform:translateY(-8px);
    transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s var(--ease);
  }
  body.nav-open .main-nav{opacity:1;visibility:visible;transform:none}
  .main-nav a{
    padding:18px 4px;font-size:1.125rem;font-weight:600;color:var(--text);
    border-bottom:1px solid var(--line);
  }
  .main-nav a::after{display:none}
  .main-nav a.is-active{color:var(--mint);font-weight:700}
  .nav-cta{display:none}

  .mobile-tabbar{
    display:grid;grid-template-columns:repeat(5,1fr);
    position:fixed;left:0;right:0;bottom:0;z-index:120;
    height:60px;padding-bottom:env(safe-area-inset-bottom);
    background:rgba(247,246,242,.98);border-top:1px solid var(--line);
  }
  .mobile-tabbar a{
    position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
    padding-top:6px;font-size:.6875rem;font-weight:500;color:var(--muted);
  }
  .mobile-tabbar a i{font-size:1.05rem}
  .mobile-tabbar a.is-active{color:var(--mint);font-weight:700}
  .mobile-tabbar a.is-active::before{
    content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
    width:22px;height:2px;border-radius:2px;background:var(--mint);
  }
  body{padding-bottom:calc(60px + env(safe-area-inset-bottom))}
  .section{padding:72px 0}
  .section--tight{padding:56px 0}
}
@media (max-width:575px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .section-head{margin-bottom:32px}
  .hero-inner{padding:28px 0 48px;gap:28px}
  .hero-actions{gap:14px}
  .hero-actions .btn{width:100%}
  .hero-points li{padding:0 12px;font-size:.8125rem}
  .cta-band{padding:64px 0}
  .cta-actions .btn{width:100%}
  .faq-q{font-size:1rem;padding:20px 0}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}