/* roulang page: index */
:root{
  --ink-900:#0C1F1A;
  --ink-800:#12322A;
  --brand-600:#12A277;
  --brand-400:#2FE0A8;
  --accent-500:#FFB443;
  --paper:#F6F4EF;
  --card:#FFFFFF;
  --line:#E4E1D8;
  --text:#16211D;
  --text-muted:#5C6B65;
  --on-dark:#F2F7F4;
  --on-dark-muted:rgba(242,247,244,.66);
  --radius-card:16px;
  --radius-img:12px;
  --radius-big:20px;
  --radius-btn:10px;
  --shadow-soft:0 1px 2px rgba(12,31,26,.05), 0 8px 24px -12px rgba(12,31,26,.18);
  --shadow-lift:0 2px 4px rgba(12,31,26,.06), 0 18px 40px -16px rgba(12,31,26,.28);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--paper);
  color:var(--text);
  font-size:1.0625rem;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;background:none;border:0;color:inherit;cursor:pointer}
input{font:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
h1,h2,h3{overflow-wrap:break-word;word-break:break-word}
.num,.tabular{font-variant-numeric:tabular-nums}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.clamp-3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}

/* 容器 */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 24px}}
@media (min-width:1280px){.container{max-width:1280px;padding:0 32px}}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  height:60px;display:flex;align-items:center;
  background:transparent;color:var(--on-dark);
  border-bottom:1px solid transparent;
  transition:background .28s ease,color .28s ease,box-shadow .28s ease,border-color .28s ease;
}
@media (min-width:768px){.site-header{height:72px}}
.site-header.is-solid{
  background:rgba(246,244,239,.94);
  color:var(--text);
  border-bottom-color:var(--line);
  box-shadow:0 1px 2px rgba(12,31,26,.06);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;width:100%}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:1.0625rem;letter-spacing:-.01em}
.logo-mark{display:grid;grid-template-columns:repeat(3,4px);gap:3px}
.logo-mark i{width:4px;height:4px;border-radius:50%;background:var(--brand-400);transition:background .28s ease}
.site-header.is-solid .logo-mark i{background:var(--brand-600)}
.logo-text{white-space:nowrap}
.desktop-nav{display:none;align-items:center;gap:34px}
@media (min-width:1024px){.desktop-nav{display:flex}}
.nav-link{position:relative;font-size:.9375rem;opacity:.88;transition:opacity .2s ease}
.nav-link::after{
  content:"";position:absolute;left:50%;right:50%;bottom:-6px;height:2px;
  background:var(--brand-400);transition:left .24s ease,right .24s ease;
}
.nav-link:hover{opacity:1}
.nav-link:hover::after{left:0;right:0}
.nav-link.is-active{opacity:1;font-weight:600}
.nav-link.is-active::after{left:0;right:0}
.site-header.is-solid .nav-link::after{background:var(--brand-600)}
.nav-link:focus-visible{outline:2px solid var(--brand-400);outline-offset:4px;border-radius:2px}
.header-actions{display:flex;align-items:center;gap:12px}
.btn-pill{
  display:none;align-items:center;justify-content:center;height:40px;padding:0 18px;
  border:1px solid currentColor;border-radius:999px;font-size:.875rem;
  transition:background .2s ease,border-color .2s ease,color .2s ease;
}
@media (min-width:1024px){.btn-pill{display:inline-flex}}
.btn-pill:hover{background:rgba(18,162,119,.14);border-color:var(--brand-600);color:var(--brand-600)}
.site-header:not(.is-solid) .btn-pill:hover{color:var(--brand-400);border-color:var(--brand-400);background:rgba(47,224,168,.12)}
.menu-toggle{display:inline-flex;flex-direction:column;justify-content:center;gap:6px;width:44px;height:44px;padding:0 10px}
@media (min-width:1024px){.menu-toggle{display:none}}
.menu-toggle span{display:block;height:2px;border-radius:2px;background:currentColor}

/* 移动端抽屉 */
.mobile-drawer{
  position:fixed;inset:0;z-index:80;background:var(--ink-900);color:var(--on-dark);
  padding:20px 24px 40px;display:flex;flex-direction:column;
  opacity:0;transform:translateY(-8px);pointer-events:none;
  transition:opacity .24s ease,transform .24s ease;
}
.mobile-drawer.is-open{opacity:1;transform:none;pointer-events:auto}
.drawer-head{display:flex;align-items:center;justify-content:space-between;height:60px}
.drawer-head .logo-text{font-weight:700;font-size:1.0625rem}
.drawer-close{width:44px;height:44px;font-size:1.75rem;line-height:1;color:var(--on-dark-muted)}
.drawer-nav{display:flex;flex-direction:column;margin-top:24px}
.drawer-nav a{font-size:1.25rem;padding:16px 0;border-bottom:1px solid rgba(242,247,244,.12)}
.drawer-nav a.is-active{color:var(--brand-400);font-weight:600}
.drawer-cta{margin-top:auto}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 24px;border-radius:var(--radius-btn);font-size:.9375rem;font-weight:600;letter-spacing:.01em;transition:background .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease,color .2s ease}
.btn:focus-visible{outline:2px solid var(--brand-400);outline-offset:2px}
.btn-primary{background:var(--brand-600);color:#fff}
.btn-primary:hover{background:#0E8A66;transform:translateY(-2px);box-shadow:0 10px 24px -12px rgba(18,162,119,.75)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{border:1px solid var(--line);color:var(--text);background:transparent}
.btn-ghost:hover{border-color:var(--brand-600);color:var(--brand-600);background:rgba(18,162,119,.06)}
.btn-ghost-dark{border:1px solid rgba(242,247,244,.3);color:var(--on-dark);background:transparent}
.btn-ghost-dark:hover{border-color:var(--brand-400);color:var(--brand-400);background:rgba(47,224,168,.08)}
.btn-mint{background:var(--brand-400);color:var(--ink-900)}
.btn-mint:hover{background:#20C992;transform:translateY(-2px);box-shadow:0 10px 24px -12px rgba(47,224,168,.7)}
.btn-mint:active{transform:translateY(0)}

/* Hero */
.hero{
  position:relative;z-index:1;margin-top:-60px;
  padding:118px 0 84px;background:var(--ink-900);color:var(--on-dark);overflow:hidden;
}
@media (min-width:768px){.hero{margin-top:-72px;padding:172px 0 104px}}
.hero-bg{position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(242,247,244,.14) 1px,transparent 1px);
  background-size:8px 8px;opacity:.5}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(47,224,168,.55),transparent)}
.hero-inner{position:relative;display:grid;gap:44px}
@media (min-width:1024px){.hero-inner{grid-template-columns:7fr 5fr;gap:56px;align-items:center}}
.eyebrow{display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;
  border:1px solid rgba(47,224,168,.42);color:var(--brand-400);font-size:.8125rem;letter-spacing:.04em}
.hero h1{font-size:clamp(2rem,4.6vw,3.5rem);line-height:1.18;font-weight:700;letter-spacing:-.02em;margin-top:20px;max-width:18em}
.hero-sub{margin-top:20px;font-size:1.0625rem;line-height:1.85;color:var(--on-dark-muted);max-width:36em}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-stats{display:flex;flex-wrap:wrap;row-gap:20px;margin-top:44px;padding-top:24px;border-top:1px solid rgba(242,247,244,.15)}
.hero-stats li{padding-right:24px;margin-right:24px;border-right:1px solid rgba(242,247,244,.15)}
.hero-stats li:last-child{border-right:0;margin-right:0;padding-right:0}
.hero-stats strong{display:block;font-size:1.0625rem;font-weight:700;color:var(--brand-400);font-variant-numeric:tabular-nums}
.hero-stats span{display:block;font-size:.8125rem;line-height:1.6;color:rgba(242,247,244,.6);margin-top:2px}
.hero-visual{position:relative}
.hero-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-big);background:var(--ink-800)}
.hero-visual::after{content:"";position:absolute;inset:0;border-radius:var(--radius-big);
  background:linear-gradient(180deg,rgba(12,31,26,0) 48%,rgba(12,31,26,.62));pointer-events:none}
.hero-badge{position:absolute;top:16px;left:16px;z-index:2;padding:6px 14px;border-radius:999px;
  background:rgba(12,31,26,.72);border:1px solid rgba(47,224,168,.45);color:var(--brand-400);
  font-size:.8125rem;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.float-card{position:absolute;z-index:2;display:none;background:rgba(255,255,255,.97);color:var(--text);
  border-radius:var(--radius-img);padding:10px 14px;box-shadow:0 14px 32px -16px rgba(12,31,26,.65)}
@media (min-width:640px){.float-card{display:block}}
.float-card-a{right:10px;top:64px}
.float-card-b{left:-14px;bottom:56px}
.float-label{display:block;font-size:.75rem;line-height:1.5;color:var(--text-muted)}
.float-value{display:block;font-size:.875rem;font-weight:600;line-height:1.5}

/* 板块通用 */
.section{padding:56px 0}
@media (min-width:1024px){.section{padding:96px 0}}
.section-head{display:flex;flex-direction:column;gap:14px;margin-bottom:36px}
@media (min-width:768px){.section-head{flex-direction:row;align-items:flex-end;justify-content:space-between;gap:40px;margin-bottom:48px}}
.sec-index{display:block;font-size:.8125rem;font-weight:700;letter-spacing:.14em;color:var(--brand-600);
  font-variant-numeric:tabular-nums;margin-bottom:8px}
h2{font-size:clamp(1.5rem,2.6vw,2.125rem);line-height:1.28;font-weight:700;letter-spacing:-.01em}
.sec-desc{font-size:.9375rem;line-height:1.75;color:var(--text-muted);max-width:46em}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:.9375rem;font-weight:600;color:var(--brand-600);
  border-bottom:1px solid transparent;transition:border-color .2s ease,gap .2s ease;white-space:nowrap}
.link-more:hover{border-bottom-color:var(--brand-600);gap:10px}
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* 图文分栏 */
.split{display:grid;gap:36px;align-items:center}
@media (min-width:1024px){.split{grid-template-columns:5fr 7fr;gap:64px}}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-big);
  background:#E9E6DE;box-shadow:var(--shadow-soft)}
.point-list{margin-top:32px}
.point-list li{display:grid;grid-template-columns:52px 1fr;gap:16px;padding:22px 0;border-top:1px solid var(--line)}
.point-list li:last-child{border-bottom:1px solid var(--line)}
.point-num{font-size:.875rem;font-weight:700;letter-spacing:.1em;color:var(--brand-600);
  font-variant-numeric:tabular-nums;padding-top:4px}
.point-list h3{font-size:1.0625rem;font-weight:600;letter-spacing:-.01em;line-height:1.5}
.point-list p{margin-top:6px;font-size:.9375rem;line-height:1.8;color:var(--text-muted)}

/* 精选内容卡片 */
.bento-row{display:flex;flex-direction:column;gap:20px;margin-bottom:20px}
@media (min-width:1024px){.bento-row{flex-direction:row;gap:24px;margin-bottom:24px}}
.bento-col{display:flex;flex-direction:column;gap:20px}
@media (min-width:1024px){.bento-col{gap:24px}}
.w-7{flex:7}
.w-5{flex:5}
.w-4{flex:4}
.w-3{flex:3}
.c-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  transition:transform .45s cubic-bezier(.2,.7,.3,1),box-shadow .45s ease,border-color .45s ease}
.c-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lift);border-color:#D7D3C8}
.c-card-link{display:flex;flex-direction:column;height:100%}
.c-media{overflow:hidden;background:#E9E6DE}
.c-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .6s ease}
.c-card-lg .c-media img{aspect-ratio:16/10}
.c-card:hover .c-media img{transform:scale(1.03)}
.c-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
@media (min-width:768px){.c-body{padding:24px}}
.tag{display:inline-flex;align-self:flex-start;padding:4px 12px;border-radius:999px;
  border:1px solid rgba(18,162,119,.35);color:var(--brand-600);font-size:.75rem;letter-spacing:.02em}
.tag-accent{border-color:rgba(255,180,67,.6);color:#9A6412}
.c-card h3{font-size:1.125rem;font-weight:600;line-height:1.5;letter-spacing:-.01em}
.c-card-lg h3{font-size:1.3125rem}
.c-sum{font-size:.9375rem;line-height:1.8;color:var(--text-muted)}
.c-meta{display:flex;align-items:center;gap:8px;margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  font-size:.8125rem;color:var(--text-muted);font-variant-numeric:tabular-nums}

/* 最新信息 */
.cms-wrap{display:grid;gap:28px}
@media (min-width:1024px){.cms-wrap{grid-template-columns:5fr 7fr;gap:48px;align-items:start}}
.cms-feature{background:var(--ink-900);border-radius:var(--radius-card);color:var(--on-dark);
  border:1px solid var(--ink-800);transition:transform .45s ease,box-shadow .45s ease}
.cms-feature:hover{transform:translateY(-4px);box-shadow:0 22px 44px -22px rgba(12,31,26,.7)}
.cms-feature-link{display:block;padding:28px}
.cms-tag{display:inline-block;padding:4px 12px;border-radius:999px;border:1px solid rgba(47,224,168,.45);
  color:var(--brand-400);font-size:.75rem}
.cms-feature h3{margin-top:16px;font-size:1.25rem;font-weight:600;line-height:1.5}
.cms-feature .cms-sum{margin-top:12px;font-size:.9375rem;line-height:1.8;color:var(--on-dark-muted)}
.cms-meta{display:block;margin-top:20px;font-size:.8125rem;color:var(--text-muted);font-variant-numeric:tabular-nums}
.cms-feature .cms-meta{color:rgba(242,247,244,.55)}
.cms-list li{border-bottom:1px solid var(--line)}
.cms-list li:first-child{border-top:1px solid var(--line)}
.cms-list a{display:block;padding:20px 0;transition:padding-left .24s ease}
.cms-list a:hover{padding-left:8px}
.cms-list-tag{display:inline-block;font-size:.75rem;color:var(--brand-600);letter-spacing:.02em}
.cms-list h3{margin-top:6px;font-size:1.0625rem;font-weight:600;line-height:1.55;
  transition:color .2s ease}
.cms-list a:hover h3{color:var(--brand-600)}
.cms-list .cms-sum{margin-top:8px;font-size:.875rem;line-height:1.75;color:var(--text-muted)}
.cms-empty{border:1px dashed var(--line);border-radius:var(--radius-card);background:#FCFBF8;
  padding:48px 24px;text-align:center}
.cms-empty p{font-size:.9375rem;color:var(--text-muted)}
.cms-empty .btn{margin-top:18px}
.cms-note{font-size:.8125rem;color:var(--text-muted);margin-top:14px}

/* 信任背书 */
.logo-strip{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
@media (min-width:768px){.logo-strip{grid-template-columns:repeat(5,1fr)}}
.logo-strip span{display:flex;align-items:center;justify-content:center;text-align:center;
  min-height:64px;padding:10px;border:1px solid var(--line);border-radius:var(--radius-img);
  background:#FBFAF6;font-size:.875rem;color:var(--text-muted)}
.stat-row{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:40px;padding:32px 0;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
@media (min-width:768px){.stat-row{grid-template-columns:repeat(4,1fr);gap:32px}}
.stat-row strong{display:block;font-size:2.25rem;line-height:1.1;font-weight:700;color:var(--brand-600);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.stat-row span{display:block;margin-top:8px;font-size:.875rem;color:var(--text-muted);line-height:1.6}
.quote-scroll{display:flex;gap:20px;margin-top:40px;overflow-x:auto;padding:4px 2px 16px;
  scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch}
.quote-scroll::-webkit-scrollbar{height:6px}
.quote-scroll::-webkit-scrollbar-thumb{background:var(--line);border-radius:999px}
.quote-card{flex:0 0 280px;scroll-snap-align:start;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:24px;box-shadow:var(--shadow-soft)}
.quote-card p{font-size:.9375rem;line-height:1.8;color:var(--text)}
.quote-card footer{margin-top:16px;padding-top:14px;border-top:1px solid var(--line);
  font-size:.8125rem;color:var(--text-muted)}

/* 订阅 CTA */
.cta-block{background:var(--ink-900);border-radius:24px;padding:32px;color:var(--on-dark);
  display:grid;gap:28px}
@media (min-width:768px){.cta-block{padding:48px;grid-template-columns:1fr 1fr;gap:48px;align-items:center}}
.cta-block h2{color:var(--on-dark)}
.cta-block .sec-desc{color:var(--on-dark-muted);margin-top:14px}
.cta-form{display:flex;flex-wrap:wrap;gap:12px}
.cta-form input{flex:1 1 220px;min-width:0;height:48px;padding:0 16px;border-radius:var(--radius-btn);
  border:1px solid transparent;background:#fff;color:var(--text)}
.cta-form input::placeholder{color:#9AA6A0}
.cta-form input:focus{outline:none;border-color:var(--brand-400);box-shadow:0 0 0 3px rgba(47,224,168,.32)}
.form-note{flex:1 1 100%;font-size:.8125rem;line-height:1.6;color:var(--brand-400);min-height:1.4em}

/* FAQ */
.faq-list{max-width:880px;margin:0 auto}
.faq-item{border-top:1px solid var(--line)}
.faq-item:last-child{border-bottom:1px solid var(--line)}
.faq-q{display:flex;width:100%;align-items:flex-start;justify-content:space-between;gap:24px;
  padding:22px 0;text-align:left;font-size:1.0625rem;font-weight:600;line-height:1.6;
  transition:color .2s ease}
.faq-q:hover{color:var(--brand-600)}
.faq-item.is-open .faq-q{color:var(--brand-600)}
.faq-icon{position:relative;flex:0 0 20px;height:20px;margin-top:4px}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:currentColor;border-radius:2px}
.faq-icon::before{left:0;right:0;top:9px;height:1.5px}
.faq-icon::after{top:0;bottom:0;left:9px;width:1.5px;transition:transform .24s ease,opacity .24s ease}
.faq-item.is-open .faq-icon::after{transform:scaleY(0);opacity:0}
.faq-a{max-height:0;overflow:hidden;opacity:0;transition:max-height .24s ease,opacity .24s ease}
.faq-item.is-open .faq-a{opacity:1}
.faq-a p{padding:0 44px 24px 0;font-size:.9375rem;line-height:1.8;color:var(--text-muted);max-width:64ch}

/* 页脚 */
.site-footer{margin-top:80px;padding:64px 0 32px;background:var(--ink-900);color:var(--on-dark);
  border-top:1px solid rgba(255,255,255,.08)}
@media (min-width:1024px){.site-footer{margin-top:96px}}
.footer-grid{display:grid;gap:36px}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:2fr 1fr 1fr 1fr;gap:48px}}
.footer-brand .logo-mark i{background:var(--brand-400)}
.footer-brand p{margin-top:16px;font-size:.9375rem;line-height:1.8;color:var(--on-dark-muted);max-width:30em}
.footer-brand address{margin-top:14px;font-style:normal;font-size:.8125rem;color:rgba(242,247,244,.5)}
.footer-col h3{font-size:.9375rem;font-weight:600;letter-spacing:.02em;margin-bottom:16px}
.footer-col li+li{margin-top:10px}
.footer-col a{font-size:.875rem;color:var(--on-dark-muted);transition:color .2s ease}
.footer-col a:hover{color:var(--brand-400);text-decoration:underline;text-underline-offset:4px}
.footer-bottom{margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between}
.footer-bottom p{font-size:.8125rem;color:rgba(242,247,244,.55)}
.to-top{font-size:.8125rem;color:rgba(242,247,244,.78);border-bottom:1px solid transparent;
  padding-bottom:2px;transition:color .2s ease,border-color .2s ease}
.to-top:hover{color:var(--brand-400);border-bottom-color:var(--brand-400)}
.to-top:focus-visible{outline:2px solid var(--brand-400);outline-offset:3px}

/* roulang page: category1 */
:root{
    --ink-900:#0C1F1A;
    --ink-800:#12322A;
    --brand-600:#12A277;
    --brand-500:#17B98A;
    --brand-400:#2FE0A8;
    --accent-500:#FFB443;
    --paper:#F6F4EF;
    --card:#FFFFFF;
    --line:#E4E1D8;
    --text:#16211D;
    --text-muted:#5C6B65;
    --ink-text:#F2F7F4;
    --ink-muted:rgba(242,247,244,.66);
    --r-card:16px;
    --r-big:20px;
    --r-btn:10px;
    --sh-1:0 1px 2px rgba(12,31,26,.06), 0 8px 24px -12px rgba(12,31,26,.14);
    --sh-2:0 2px 6px rgba(12,31,26,.08), 0 18px 40px -16px rgba(12,31,26,.24);
    --container:1200px;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--paper);
    color:var(--text);
    font-family:"PingFang SC","HarmonyOS Sans SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
    font-size:1.0625rem;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button{font:inherit;color:inherit;}
  input{font:inherit;}
  ul,ol{margin:0;padding:0;list-style:none;}
  h1,h2,h3,h4,p{margin:0;}
  .tabular{font-variant-numeric:tabular-nums;}

  .container{
    width:100%;
    max-width:var(--container);
    margin:0 auto;
    padding-left:20px;
    padding-right:20px;
  }
  @media (min-width:768px){ .container{padding-left:24px;padding-right:24px;} }
  @media (min-width:1280px){ .container{max-width:1280px;padding-left:32px;padding-right:32px;} }

  /* ---------- Header ---------- */
  .site-header{
    position:sticky;
    top:0;
    z-index:70;
    background:rgba(246,244,239,.94);
    backdrop-filter:blur(10px);
    -webkit-backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
    transition:box-shadow .25s ease, background .25s ease;
  }
  .site-header.is-scrolled{box-shadow:0 6px 20px -14px rgba(12,31,26,.35);}
  .header-inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:24px;
    height:72px;
  }
  .logo{display:inline-flex;align-items:center;gap:10px;}
  .logo-mark{display:grid;grid-template-columns:repeat(3,4px);gap:3px;}
  .logo-mark i{display:block;width:4px;height:4px;border-radius:1px;background:var(--brand-600);}
  .logo-mark i:nth-child(5){background:var(--brand-400);}
  .logo-text{font-size:1.0625rem;font-weight:700;letter-spacing:-.01em;color:var(--text);}
  .desktop-nav{display:flex;align-items:center;gap:34px;}
  .nav-link{
    position:relative;
    font-size:.9375rem;
    color:var(--text-muted);
    padding:6px 0;
    transition:color .2s ease;
  }
  .nav-link::after{
    content:"";
    position:absolute;
    left:50%;
    bottom:0;
    width:0;
    height:2px;
    background:var(--brand-400);
    transform:translateX(-50%);
    transition:width .24s ease;
  }
  .nav-link:hover{color:var(--text);}
  .nav-link:hover::after{width:100%;}
  .nav-link.is-active{color:var(--text);font-weight:600;}
  .nav-link.is-active::after{width:100%;}
  .header-actions{display:flex;align-items:center;gap:12px;}
  .btn-pill{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    min-height:44px;
    padding:10px 20px;
    border:1px solid var(--line);
    border-radius:999px;
    font-size:.875rem;
    color:var(--text);
    background:transparent;
    transition:border-color .2s ease, color .2s ease, background .2s ease;
  }
  .btn-pill:hover{border-color:var(--brand-600);color:var(--brand-600);background:rgba(18,162,119,.06);}
  .btn-pill:focus-visible{outline:2px solid var(--brand-400);outline-offset:2px;}
  .menu-toggle{
    display:none;
    flex-direction:column;
    justify-content:center;
    align-items:center;
    gap:6px;
    width:44px;
    height:44px;
    border:0;
    background:transparent;
    cursor:pointer;
  }
  .menu-toggle span{display:block;width:24px;height:1.5px;background:var(--text);transition:transform .2s ease;}
  .menu-toggle:focus-visible{outline:2px solid var(--brand-400);outline-offset:2px;border-radius:6px;}

  .mobile-drawer{
    position:fixed;
    inset:0;
    z-index:90;
    background:var(--ink-900);
    color:var(--ink-text);
    padding:22px 22px 32px;
    display:flex;
    flex-direction:column;
    gap:22px;
    overflow-y:auto;
    transform:translateY(-100%);
    visibility:hidden;
    transition:transform .32s ease, visibility .32s ease;
  }
  .mobile-drawer.is-open{transform:translateY(0);visibility:visible;}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;}
  .drawer-head .logo-text{color:var(--ink-text);}
  .drawer-close{
    background:transparent;
    border:0;
    color:var(--ink-text);
    font-size:28px;
    line-height:1;
    width:44px;
    height:44px;
    cursor:pointer;
  }
  .drawer-nav{display:flex;flex-direction:column;}
  .drawer-nav a{
    font-size:1.25rem;
    padding:14px 0;
    color:var(--ink-muted);
    border-bottom:1px solid rgba(242,247,244,.12);
    transition:color .2s ease;
  }
  .drawer-nav a.is-active{color:var(--brand-400);font-weight:600;}
  .drawer-cta{align-self:flex-start;margin-top:8px;}

  /* ---------- Buttons ---------- */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    min-height:44px;
    padding:12px 22px;
    border-radius:var(--r-btn);
    border:1px solid transparent;
    font-size:.9375rem;
    font-weight:600;
    cursor:pointer;
    transition:background .2s ease, transform .2s ease, box-shadow .2s ease, border-color .2s ease, color .2s ease;
  }
  .btn:focus-visible{outline:2px solid var(--brand-400);outline-offset:2px;}
  .btn-primary{background:var(--brand-600);color:#fff;}
  .btn-primary:hover{background:#0E8A66;transform:translateY(-2px);box-shadow:var(--sh-2);}
  .btn-primary:active{transform:translateY(0);}
  .btn-ghost{border-color:var(--line);color:var(--text);background:transparent;}
  .btn-ghost:hover{border-color:var(--brand-600);color:var(--brand-600);background:rgba(18,162,119,.06);}
  .btn-mint{background:var(--brand-400);color:var(--ink-900);}
  .btn-mint:hover{background:#4DE9B8;transform:translateY(-2px);box-shadow:0 14px 30px -16px rgba(47,224,168,.6);}
  .btn-mint:active{transform:translateY(0);}

  /* ---------- Hero ---------- */
  .page-hero{
    position:relative;
    overflow:hidden;
    background-color:var(--ink-900);
    background-image:linear-gradient(180deg, rgba(12,31,26,.94), rgba(12,31,26,.97)), url('/assets/images/backpic/back-1.webp');
    background-size:cover;
    background-position:center;
    color:var(--ink-text);
    padding:44px 0 64px;
  }
  .page-hero::before{
    content:"";
    position:absolute;
    inset:0;
    background-image:radial-gradient(rgba(242,247,244,.16) 1px, transparent 1px);
    background-size:8px 8px;
    opacity:.5;
    pointer-events:none;
  }
  .page-hero .container{position:relative;z-index:2;}
  .breadcrumb{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:8px;
    font-size:.8125rem;
    color:var(--ink-muted);
    margin-bottom:22px;
  }
  .breadcrumb a:hover{color:var(--brand-400);}
  .breadcrumb .sep{opacity:.5;}
  .breadcrumb .current{color:var(--ink-text);}
  .eyebrow{
    display:inline-flex;
    align-items:center;
    gap:8px;
    padding:6px 14px;
    border-radius:999px;
    border:1px solid rgba(47,224,168,.45);
    color:var(--brand-400);
    font-size:.8125rem;
    letter-spacing:.04em;
    margin-bottom:20px;
  }
  .hero-grid{
    display:grid;
    grid-template-columns:1.1fr .9fr;
    gap:48px;
    align-items:center;
  }
  .page-hero h1{
    font-size:clamp(1.9rem,3.8vw,2.875rem);
    line-height:1.2;
    font-weight:700;
    letter-spacing:-.02em;
    color:var(--ink-text);
  }
  .hero-lead{
    margin-top:18px;
    font-size:1.0625rem;
    line-height:1.8;
    color:var(--ink-muted);
    max-width:38em;
  }
  .hero-stats{
    display:flex;
    flex-wrap:wrap;
    gap:22px;
    margin-top:30px;
    padding-top:24px;
    border-top:1px solid rgba(242,247,244,.14);
  }
  .hero-stats .stat{padding-left:20px;border-left:1px solid rgba(242,247,244,.16);}
  .hero-stats .stat:first-child{padding-left:0;border-left:0;}
  .hero-stats b{display:block;font-size:1.375rem;font-weight:700;color:var(--brand-400);line-height:1.3;}
  .hero-stats span{font-size:.8125rem;color:var(--ink-muted);}
  .hero-figure{
    position:relative;
    border-radius:var(--r-big);
    overflow:hidden;
    background:#0a1a16;
    aspect-ratio:4/3;
    box-shadow:0 26px 60px -30px rgba(0,0,0,.8);
  }
  .hero-figure img{width:100%;height:100%;object-fit:cover;}
  .hero-figure::after{
    content:"";
    position:absolute;
    inset:0;
    background:linear-gradient(180deg, rgba(12,31,26,0) 45%, rgba(12,31,26,.55));
  }
  .hero-badge{
    position:absolute;
    left:18px;
    bottom:18px;
    z-index:2;
    display:inline-flex;
    align-items:center;
    gap:8px;
    padding:8px 14px;
    border-radius:999px;
    background:rgba(12,31,26,.72);
    border:1px solid rgba(47,224,168,.35);
    color:var(--ink-text);
    font-size:.8125rem;
  }

  /* ---------- Sections ---------- */
  .section{padding:72px 0;}
  .section-tight{padding:52px 0;}
  .section-head{max-width:720px;margin-bottom:40px;}
  .section-kicker{
    display:inline-block;
    font-size:.8125rem;
    letter-spacing:.1em;
    color:var(--brand-600);
    font-weight:600;
    margin-bottom:12px;
  }
  .section-head h2{
    font-size:clamp(1.5rem,2.6vw,2.125rem);
    line-height:1.3;
    font-weight:700;
    letter-spacing:-.01em;
  }
  .section-head p{margin-top:14px;color:var(--text-muted);font-size:1rem;line-height:1.8;}

  /* ---------- Doc layout ---------- */
  .doc-grid{
    display:grid;
    grid-template-columns:240px minmax(0,1fr);
    gap:52px;
    align-items:start;
  }
  .doc-aside{position:sticky;top:96px;}
  .doc-aside .aside-title{
    font-size:.75rem;
    letter-spacing:.12em;
    color:var(--text-muted);
    text-transform:uppercase;
    padding-bottom:10px;
    border-bottom:1px solid var(--line);
    margin-bottom:12px;
  }
  .toc-link{
    display:block;
    font-size:.875rem;
    color:var(--text-muted);
    padding:9px 0 9px 14px;
    border-left:2px solid transparent;
    margin-left:-1px;
    transition:color .2s ease, border-color .2s ease;
  }
  .toc-link:hover{color:var(--text);border-left-color:var(--line);}
  .toc-link.is-active{color:var(--brand-600);font-weight:600;border-left-color:var(--brand-400);}
  .doc-body{max-width:760px;}
  .doc-body h2{
    position:relative;
    font-size:1.5rem;
    line-height:1.35;
    font-weight:700;
    padding-left:16px;
    margin:52px 0 18px;
    scroll-margin-top:110px;
  }
  .doc-body h2:first-child{margin-top:0;}
  .doc-body h2::before{
    content:"";
    position:absolute;
    left:0;
    top:.28em;
    bottom:.28em;
    width:3px;
    border-radius:2px;
    background:var(--brand-400);
  }
  .doc-body p{color:var(--text);margin-bottom:16px;}
  .doc-body p.dim{color:var(--text-muted);font-size:1rem;}
  .step-list{display:flex;flex-direction:column;gap:16px;margin:22px 0 8px;}
  .step-card{
    background:var(--card);
    border:1px solid var(--line);
    border-left:3px solid var(--brand-600);
    border-radius:14px;
    padding:20px 24px;
    transition:box-shadow .25s ease, transform .25s ease;
  }
  .step-card:hover{box-shadow:var(--sh-1);transform:translateY(-2px);}
  .step-num{
    display:block;
    font-size:.8125rem;
    font-weight:700;
    letter-spacing:.12em;
    color:var(--brand-600);
    margin-bottom:6px;
  }
  .step-card h3{font-size:1.125rem;font-weight:600;line-height:1.45;margin-bottom:8px;}
  .step-card p{font-size:1rem;color:var(--text-muted);margin:0;line-height:1.8;}
  .tip-box{
    margin-top:26px;
    background:rgba(18,162,119,.07);
    border:1px solid rgba(18,162,119,.28);
    border-radius:14px;
    padding:18px 22px;
    font-size:.9375rem;
    line-height:1.8;
    color:#0F5E48;
  }
  .tip-box strong{color:#0B4433;}

  .data-table{
    width:100%;
    border-collapse:collapse;
    font-size:.9375rem;
    margin:20px 0 8px;
    background:var(--card);
    border:1px solid var(--line);
    border-radius:12px;
    overflow:hidden;
  }
  .data-table th,.data-table td{
    border-bottom:1px solid var(--line);
    padding:12px 14px;
    text-align:left;
    vertical-align:top;
    line-height:1.7;
  }
  .data-table th{background:#EFEDE6;font-weight:600;color:var(--text);font-size:.875rem;}
  .data-table tbody tr:nth-child(even){background:#FBFAF7;}
  .data-table tbody tr:last-child td{border-bottom:0;}
  .data-table td:first-child{font-weight:600;white-space:nowrap;}

  .doc-figure{
    margin:26px 0;
    border-radius:12px;
    overflow:hidden;
    border:1px solid var(--line);
    background:#EDEAE2;
  }
  .doc-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;}
  .doc-figure figcaption{font-size:.8125rem;color:var(--text-muted);padding:10px 14px;background:var(--card);}

  /* ---------- Scene cards ---------- */
  .scene-card{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--r-card);
    padding:24px;
    height:100%;
    transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  }
  .scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D6D2C6;}
  .scene-tag{
    display:inline-flex;
    align-items:center;
    padding:4px 12px;
    border-radius:999px;
    border:1px solid rgba(18,162,119,.35);
    color:var(--brand-600);
    font-size:.75rem;
    letter-spacing:.04em;
    margin-bottom:14px;
  }
  .scene-card h3{font-size:1.125rem;font-weight:600;line-height:1.45;margin-bottom:10px;}
  .scene-card p{font-size:.9375rem;line-height:1.8;color:var(--text-muted);}
  .scene-meta{
    margin-top:16px;
    padding-top:14px;
    border-top:1px solid var(--line);
    font-size:.8125rem;
    color:var(--text-muted);
  }

  /* ---------- FAQ ---------- */
  .faq-wrap{max-width:880px;}
  .faq-item{border-top:1px solid var(--line);}
  .faq-item:last-child{border-bottom:1px solid var(--line);}
  .faq-q{
    width:100%;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:20px;
    background:transparent;
    border:0;
    padding:22px 0;
    text-align:left;
    font-size:1.0625rem;
    font-weight:600;
    line-height:1.6;
    cursor:pointer;
    transition:color .2s ease;
  }
  .faq-q:hover{color:var(--brand-600);}
  .faq-q:focus-visible{outline:2px solid var(--brand-400);outline-offset:2px;border-radius:6px;}
  .faq-q .sign{
    position:relative;
    flex:0 0 auto;
    width:18px;
    height:18px;
  }
  .faq-q .sign::before,
  .faq-q .sign::after{
    content:"";
    position:absolute;
    background:var(--brand-600);
    transition:transform .24s ease, opacity .24s ease;
  }
  .faq-q .sign::before{left:0;top:8px;width:18px;height:1.5px;}
  .faq-q .sign::after{left:8px;top:0;width:1.5px;height:18px;}
  .faq-item.is-open .faq-q{color:var(--brand-600);}
  .faq-item.is-open .sign::after{transform:rotate(90deg);opacity:0;}
  .faq-a{
    max-height:0;
    overflow:hidden;
    transition:max-height .24s ease;
  }
  .faq-a p{
    font-size:.9375rem;
    line-height:1.85;
    color:var(--text-muted);
    padding:0 0 22px;
    max-width:56em;
  }

  /* ---------- CTA ---------- */
  .cta-section{padding:0 0 72px;}
  .cta-panel{
    position:relative;
    overflow:hidden;
    background:var(--ink-900);
    border-radius:24px;
    padding:44px 40px;
    display:grid;
    grid-template-columns:1.1fr .9fr;
    gap:36px;
    align-items:center;
    color:var(--ink-text);
  }
  .cta-panel::before{
    content:"";
    position:absolute;
    inset:0;
    background-image:radial-gradient(rgba(242,247,244,.14) 1px, transparent 1px);
    background-size:8px 8px;
    opacity:.4;
    pointer-events:none;
  }
  .cta-panel > *{position:relative;z-index:2;}
  .cta-panel h2{font-size:clamp(1.375rem,2.2vw,1.75rem);line-height:1.35;font-weight:700;}
  .cta-panel p{margin-top:12px;color:var(--ink-muted);font-size:.9375rem;line-height:1.8;}
  .cta-form{display:flex;gap:12px;flex-wrap:wrap;}
  .cta-form input{
    flex:1 1 220px;
    min-height:48px;
    padding:0 16px;
    border-radius:var(--r-btn);
    border:1px solid transparent;
    background:#fff;
    color:var(--text);
    outline:none;
    transition:box-shadow .2s ease, border-color .2s ease;
  }
  .cta-form input::placeholder{color:#8B978F;}
  .cta-form input:focus{border-color:var(--brand-400);box-shadow:0 0 0 3px rgba(47,224,168,.35);}
  .form-hint{width:100%;font-size:.8125rem;color:var(--brand-400);min-height:18px;}

  /* ---------- Footer ---------- */
  .site-footer{
    background:var(--ink-900);
    color:var(--ink-muted);
    border-top:1px solid rgba(255,255,255,.08);
    padding:60px 0 28px;
    font-size:.875rem;
  }
  .footer-grid{
    display:grid;
    grid-template-columns:2fr 1fr 1fr 1fr;
    gap:36px;
    padding-bottom:40px;
    border-bottom:1px solid rgba(255,255,255,.1);
  }
  .footer-brand .logo-text{color:var(--ink-text);}
  .footer-brand p{margin-top:16px;max-width:34em;line-height:1.85;font-size:.875rem;}
  .footer-col h4{
    font-size:.8125rem;
    letter-spacing:.1em;
    color:var(--ink-text);
    font-weight:600;
    margin-bottom:16px;
  }
  .footer-col a{
    display:block;
    padding:6px 0;
    font-size:.875rem;
    color:var(--ink-muted);
    transition:color .2s ease;
  }
  .footer-col a:hover{color:var(--brand-400);text-decoration:underline;text-underline-offset:4px;}
  .footer-bottom{
    display:flex;
    flex-wrap:wrap;
    gap:12px 28px;
    justify-content:space-between;
    padding-top:22px;
    font-size:.8125rem;
    color:rgba(242,247,244,.5);
  }
  .to-top{
    background:transparent;
    border:0;
    color:rgba(242,247,244,.6);
    cursor:pointer;
    font-size:.8125rem;
    transition:color .2s ease;
  }
  .to-top:hover{color:var(--brand-400);}

  /* ---------- Responsive ---------- */
  @media (max-width:1024px){
    .desktop-nav{display:none;}
    .menu-toggle{display:flex;}
    .hero-grid{grid-template-columns:1fr;gap:32px;}
    .hero-figure{max-width:560px;}
    .doc-grid{grid-template-columns:1fr;gap:32px;}
    .doc-aside{position:static;top:auto;padding-bottom:8px;border-bottom:1px solid var(--line);margin-bottom:8px;}
    .doc-aside nav{display:flex;flex-wrap:wrap;gap:4px 20px;}
    .toc-link{border-left:0;padding:6px 0;margin-left:0;}
    .toc-link.is-active{border-left:0;}
    .cta-panel{grid-template-columns:1fr;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
    .footer-brand{grid-column:1 / -1;}
  }
  @media (max-width:768px){
    body{font-size:1rem;}
    .header-inner{height:60px;}
    .page-hero{padding:32px 0 48px;}
    .section{padding:56px 0;}
    .section-tight{padding:40px 0;}
    .section-head{margin-bottom:28px;}
    .hero-stats{gap:16px;}
    .hero-stats .stat{padding-left:14px;}
    .cta-section{padding-bottom:56px;}
    .cta-panel{padding:30px 22px;border-radius:20px;}
    .doc-body h2{font-size:1.3125rem;}
  }
  @media (max-width:520px){
    .hero-stats{flex-direction:column;gap:12px;}
    .hero-stats .stat{padding-left:0;border-left:0;border-top:1px solid rgba(242,247,244,.14);padding-top:12px;}
    .hero-stats .stat:first-child{border-top:0;padding-top:0;}
    .footer-grid{grid-template-columns:1fr;}
    .data-table{font-size:.875rem;}
    .data-table th,.data-table td{padding:10px;}
    .step-card{padding:16px 18px;}
    .btn{width:100%;}
    .btn-inline{width:auto;}
  }

/* roulang page: category2 */
:root{
  --ink-900:#0C1F1A;
  --ink-800:#12322A;
  --brand-600:#12A277;
  --brand-700:#0E8A66;
  --brand-400:#2FE0A8;
  --accent-500:#FFB443;
  --paper:#F6F4EF;
  --card:#FFFFFF;
  --line:#E4E1D8;
  --text:#16211D;
  --text-muted:#5C6B65;
  --ink-text:#F2F7F4;
  --ink-muted:rgba(242,247,244,.66);
  --radius-card:16px;
  --radius-img:12px;
  --radius-lg:20px;
  --radius-btn:10px;
  --shadow-sm:0 1px 2px rgba(12,31,26,.06), 0 8px 24px -12px rgba(12,31,26,.18);
  --shadow-md:0 2px 4px rgba(12,31,26,.08), 0 18px 40px -16px rgba(12,31,26,.28);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:1.0625rem;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;background:none;border:none;}
h1,h2,h3,h4,p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.num{font-variant-numeric:tabular-nums;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
@media(min-width:768px){.container{padding:0 28px;}}
@media(min-width:1280px){.container{max-width:1280px;padding:0 32px;}}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,244,239,.94);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.logo{display:flex;align-items:center;gap:11px;flex:0 0 auto;}
.logo-mark{
  display:grid;grid-template-columns:repeat(3,4px);gap:3px;
}
.logo-mark i{width:4px;height:4px;border-radius:50%;background:var(--brand-600);display:block;}
.logo-mark i:nth-child(2),
.logo-mark i:nth-child(6){background:var(--brand-400);}
.logo-text{
  font-size:1.0625rem;font-weight:700;letter-spacing:-.01em;color:var(--text);white-space:nowrap;
}
.desktop-nav{display:none;align-items:center;gap:34px;}
.nav-link{
  position:relative;font-size:.9375rem;color:var(--text-muted);padding:6px 0;
  transition:color .22s ease;
}
.nav-link::after{
  content:"";position:absolute;left:50%;right:50%;bottom:0;height:2px;
  background:var(--brand-400);transition:left .24s ease,right .24s ease;
}
.nav-link:hover{color:var(--text);}
.nav-link:hover::after{left:0;right:0;}
.nav-link.is-active{color:var(--text);font-weight:600;}
.nav-link.is-active::after{left:0;right:0;}
.header-actions{display:flex;align-items:center;gap:14px;}
.btn-pill{
  display:none;align-items:center;height:38px;padding:0 20px;
  border:1px solid var(--line);border-radius:999px;
  font-size:.875rem;color:var(--text);background:transparent;
  transition:border-color .22s ease,color .22s ease,background .22s ease,transform .22s ease;
}
.btn-pill:hover{border-color:var(--brand-600);color:var(--brand-600);background:rgba(18,162,119,.06);transform:translateY(-1px);}
.btn-pill:focus-visible{outline:2px solid var(--brand-400);outline-offset:2px;}
.menu-toggle{
  width:44px;height:44px;display:flex;flex-direction:column;justify-content:center;gap:6px;
  align-items:center;border-radius:10px;
}
.menu-toggle span{display:block;width:22px;height:1.5px;background:var(--text);transition:transform .24s ease,opacity .24s ease;}
.menu-toggle:focus-visible{outline:2px solid var(--brand-400);outline-offset:2px;}
@media(min-width:1024px){
  .desktop-nav{display:flex;}
  .btn-pill{display:inline-flex;}
  .menu-toggle{display:none;}
}

/* ---------- Mobile drawer ---------- */
.mobile-drawer{
  position:fixed;inset:0;z-index:90;
  background:var(--ink-900);
  padding:24px;
  display:flex;flex-direction:column;
  transform:translateX(100%);
  transition:transform .3s cubic-bezier(.4,0,.2,1);
  visibility:hidden;
}
.mobile-drawer.is-open{transform:translateX(0);visibility:visible;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:36px;}
.drawer-head .logo-text{color:var(--ink-text);}
.drawer-close{
  width:44px;height:44px;border-radius:10px;color:var(--ink-muted);
  font-size:1.75rem;line-height:1;display:flex;align-items:center;justify-content:center;
}
.drawer-close:hover{color:var(--brand-400);}
.drawer-nav{display:flex;flex-direction:column;gap:6px;}
.drawer-nav a{
  font-size:1.25rem;color:var(--ink-muted);padding:12px 0;line-height:1.5;
  border-bottom:1px solid rgba(242,247,244,.08);
  transition:color .2s ease,padding-left .2s ease;
}
.drawer-nav a:hover,.drawer-nav a.is-active{color:var(--brand-400);padding-left:8px;}
.drawer-cta{
  margin-top:auto;display:inline-flex;align-items:center;justify-content:center;
  height:48px;border-radius:var(--radius-btn);background:var(--brand-400);
  color:var(--ink-900);font-weight:600;
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:.9375rem;font-weight:600;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
}
.btn-primary{background:var(--brand-600);color:#fff;box-shadow:var(--shadow-sm);}
.btn-primary:hover{background:var(--brand-700);transform:translateY(-2px);box-shadow:var(--shadow-md);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  border:1px solid var(--line);background:transparent;color:var(--text);
}
.btn-ghost:hover{border-color:var(--brand-600);color:var(--brand-600);background:rgba(18,162,119,.06);}
.btn-mint{background:var(--brand-400);color:var(--ink-900);}
.btn-mint:hover{background:#26c795;transform:translateY(-2px);}
.btn:focus-visible{outline:2px solid var(--brand-400);outline-offset:2px;}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:var(--ink-900);
  color:var(--ink-text);
  padding:64px 0 72px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(242,247,244,.16) 1px,transparent 1px);
  background-size:8px 8px;
  opacity:.5;pointer-events:none;
}
.page-hero::after{
  content:"";position:absolute;right:-140px;top:-120px;width:420px;height:420px;
  background:radial-gradient(circle,rgba(47,224,168,.18),transparent 68%);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;}
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:.8125rem;color:var(--ink-muted);margin-bottom:26px;
}
.crumbs a{color:var(--ink-muted);transition:color .2s ease;}
.crumbs a:hover{color:var(--brand-400);}
.crumbs .sep{opacity:.5;}
.crumbs .current{color:var(--ink-text);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:32px;padding:0 16px;border-radius:999px;
  border:1px solid rgba(47,224,168,.35);
  color:var(--brand-400);font-size:.8125rem;letter-spacing:.04em;
  background:rgba(47,224,168,.08);
  margin-bottom:22px;
}
.eyebrow::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-400);
}
.hero-grid{display:grid;grid-template-columns:1fr;gap:44px;align-items:center;}
@media(min-width:1024px){
  .hero-grid{grid-template-columns:7fr 5fr;gap:56px;}
  .page-hero{padding:80px 0 92px;}
}
.hero-title{
  font-size:clamp(2rem,4.6vw,3.25rem);
  line-height:1.18;font-weight:700;letter-spacing:-.02em;
  color:var(--ink-text);
}
.hero-sub{
  margin-top:22px;max-width:620px;
  font-size:1.0625rem;line-height:1.85;color:var(--ink-muted);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:0;margin-top:44px;
  border-top:1px solid rgba(242,247,244,.14);
  padding-top:26px;
}
.hero-stat{padding-right:28px;margin-right:28px;border-right:1px solid rgba(242,247,244,.14);}
.hero-stat:last-child{border-right:none;margin-right:0;padding-right:0;}
.hero-stat b{
  display:block;font-size:1.5rem;font-weight:700;color:var(--brand-400);
  line-height:1.3;font-variant-numeric:tabular-nums;
}
.hero-stat span{font-size:.8125rem;color:var(--ink-muted);}
.hero-visual{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  aspect-ratio:4/3;background:#0a1a16;
  box-shadow:0 24px 60px -30px rgba(0,0,0,.7);
}
.hero-visual img{width:100%;height:100%;object-fit:cover;}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(12,31,26,0) 40%,rgba(12,31,26,.72) 100%);
}
.hero-badge{
  position:absolute;left:20px;bottom:20px;z-index:3;
  display:inline-flex;align-items:center;gap:8px;
  height:34px;padding:0 14px;border-radius:999px;
  background:rgba(246,244,239,.94);color:var(--ink-900);
  font-size:.8125rem;font-weight:600;
}
.hero-float{
  position:absolute;z-index:3;background:rgba(246,244,239,.96);
  border-radius:14px;padding:12px 16px;color:var(--ink-900);
  box-shadow:0 16px 34px -18px rgba(0,0,0,.6);
}
.hero-float b{display:block;font-size:1.0625rem;font-weight:700;font-variant-numeric:tabular-nums;}
.hero-float span{font-size:.75rem;color:var(--text-muted);}
.hero-float.f1{right:-14px;top:36px;}
.hero-float.f2{right:26px;bottom:78px;}
@media(max-width:1023px){.hero-float{display:none;}}

/* ---------- Sections ---------- */
.section{padding:56px 0;}
@media(min-width:1024px){.section{padding:96px 0;}}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:40px;}
.section-head h2{
  font-size:clamp(1.5rem,2.6vw,2.125rem);line-height:1.28;font-weight:700;letter-spacing:-.015em;
}
.section-head p{margin-top:12px;max-width:640px;font-size:.9375rem;line-height:1.75;color:var(--text-muted);}
.section-link{
  font-size:.9375rem;font-weight:600;color:var(--brand-600);
  border-bottom:1px solid transparent;transition:border-color .22s ease;
}
.section-link:hover{border-color:var(--brand-600);}

/* ---------- Rail ---------- */
.rail-wrap{position:relative;}
.rail{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:6px 4px 22px;margin:0 -4px;
  scrollbar-width:thin;
}
.rail::-webkit-scrollbar{height:6px;}
.rail::-webkit-scrollbar-track{background:var(--line);border-radius:999px;}
.rail::-webkit-scrollbar-thumb{background:#c3c0b5;border-radius:999px;}
.rail-card{
  flex:0 0 300px;scroll-snap-align:start;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .3s ease,box-shadow .3s ease;
}
.rail-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.rail-media{position:relative;height:200px;background:#e9e6dd;overflow:hidden;}
.rail-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease;}
.rail-card:hover .rail-media img{transform:scale(1.03);}
.rail-body{padding:18px 18px 20px;}
.rail-body h3{font-size:1.0625rem;font-weight:600;line-height:1.4;margin-bottom:8px;}
.rail-body p{font-size:.875rem;line-height:1.7;color:var(--text-muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rail-meta{
  margin-top:14px;padding-top:12px;border-top:1px solid var(--line);
  font-size:.8125rem;color:var(--text-muted);font-variant-numeric:tabular-nums;
}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;margin-bottom:10px;
  border-radius:999px;font-size:.75rem;font-weight:600;
  color:var(--brand-600);background:rgba(18,162,119,.1);
}
.tag-accent{color:#9a6410;background:rgba(255,180,67,.16);border:1px solid rgba(255,180,67,.5);}

/* ---------- Mosaic ---------- */
.mosaic{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.mosaic-card{
  grid-column:span 12;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .3s ease,box-shadow .3s ease;
  display:flex;flex-direction:column;
}
.mosaic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.mosaic-media{position:relative;background:#e9e6dd;overflow:hidden;}
.mosaic-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease;}
.mosaic-card:hover .mosaic-media img{transform:scale(1.03);}
.mosaic-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1;}
.mosaic-body h3{font-size:1.25rem;font-weight:600;line-height:1.4;margin-bottom:10px;}
.mosaic-body p{font-size:.9375rem;line-height:1.75;color:var(--text-muted);}
.mosaic-foot{
  margin-top:auto;padding-top:16px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px 18px;
  font-size:.8125rem;color:var(--text-muted);font-variant-numeric:tabular-nums;
}
.mosaic-card.wide{grid-column:span 12;}
.mosaic-card.wide .mosaic-media{height:210px;}
.mosaic-card.tall .mosaic-media{aspect-ratio:16/10;}
@media(min-width:1024px){
  .mosaic-card.wide{
    grid-column:span 7;display:grid;
    grid-template-columns:minmax(0,250px) minmax(0,1fr);
  }
  .mosaic-card.wide .mosaic-media{height:100%;min-height:236px;}
  .mosaic-card.tall{grid-column:span 5;}
}

/* ---------- Filter chips ---------- */
.chip-row{display:flex;flex-wrap:wrap;gap:12px;}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  min-height:44px;padding:0 20px;border-radius:999px;
  border:1px solid var(--line);background:#fff;
  font-size:.9375rem;color:var(--text);
  transition:border-color .22s ease,color .22s ease,transform .22s ease,background .22s ease;
}
.chip:hover{border-color:var(--brand-600);color:var(--brand-600);transform:translateY(-2px);background:rgba(18,162,119,.05);}
.chip:focus-visible{outline:2px solid var(--brand-400);outline-offset:2px;}
.chip b{font-weight:600;font-variant-numeric:tabular-nums;color:var(--brand-600);}

/* ---------- Steps ---------- */
.steps{display:grid;gap:0;border-top:1px solid var(--line);}
.step{
  display:grid;grid-template-columns:1fr;gap:12px;
  padding:28px 0;border-bottom:1px solid var(--line);
}
@media(min-width:768px){
  .step{grid-template-columns:96px minmax(0,1fr);gap:28px;}
}
.step-num{
  font-size:.875rem;font-weight:700;color:var(--brand-600);
  letter-spacing:.08em;font-variant-numeric:tabular-nums;
}
.step h3{font-size:1.125rem;font-weight:600;margin-bottom:8px;}
.step p{font-size:.9375rem;line-height:1.8;color:var(--text-muted);max-width:720px;}

/* ---------- FAQ ---------- */
.faq-list{max-width:880px;margin:0 auto;}
.faq-item{border-top:1px solid var(--line);}
.faq-item:last-child{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:24px 4px;text-align:left;
  font-size:1.0625rem;font-weight:600;color:var(--text);
  transition:color .22s ease;
}
.faq-q:hover{color:var(--brand-600);}
.faq-q:focus-visible{outline:2px solid var(--brand-400);outline-offset:-2px;}
.faq-item.is-open .faq-q{color:var(--brand-600);}
.faq-icon{position:relative;flex:0 0 18px;width:18px;height:18px;}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:currentColor;border-radius:1px;
  transition:transform .24s ease,opacity .24s ease;
}
.faq-icon::before{left:0;top:8px;width:18px;height:1.5px;}
.faq-icon::after{left:8px;top:0;width:1.5px;height:18px;}
.faq-item.is-open .faq-icon::after{transform:scaleY(0);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease;}
.faq-a-inner{padding:0 4px 26px;max-width:740px;font-size:.9375rem;line-height:1.8;color:var(--text-muted);}

/* ---------- CTA ---------- */
.cta-band{background:var(--ink-900);color:var(--ink-text);position:relative;overflow:hidden;}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(242,247,244,.13) 1px,transparent 1px);
  background-size:8px 8px;opacity:.45;
}
.cta-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1fr;gap:32px;align-items:center;
  padding:56px 0;
}
@media(min-width:1024px){
  .cta-inner{grid-template-columns:1.1fr .9fr;gap:56px;padding:72px 0;}
}
.cta-inner h2{font-size:clamp(1.5rem,2.6vw,2rem);line-height:1.3;font-weight:700;}
.cta-inner p{margin-top:14px;font-size:.9375rem;line-height:1.8;color:var(--ink-muted);max-width:520px;}
.cta-form{display:flex;flex-wrap:wrap;gap:12px;}
.cta-form input{
  flex:1 1 240px;height:48px;padding:0 16px;border-radius:var(--radius-btn);
  border:1px solid transparent;background:#fff;color:var(--ink-900);outline:none;
  transition:box-shadow .2s ease;
}
.cta-form input::placeholder{color:#8b968f;}
.cta-form input:focus{box-shadow:0 0 0 3px rgba(47,224,168,.55);}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink-900);color:var(--ink-muted);border-top:1px solid rgba(242,247,244,.08);}
.footer-grid{
  display:grid;grid-template-columns:1fr;gap:40px;
  padding:64px 0 40px;
}
@media(min-width:768px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media(min-width:1024px){.footer-grid{grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;}}
.footer-brand .logo-text{color:var(--ink-text);}
.footer-brand p{margin-top:16px;font-size:.875rem;line-height:1.8;max-width:320px;}
.footer-col h4{
  font-size:.8125rem;font-weight:600;letter-spacing:.08em;
  color:var(--ink-text);margin-bottom:18px;
}
.footer-col a{
  display:block;font-size:.875rem;padding:7px 0;color:var(--ink-muted);
  transition:color .2s ease;
}
.footer-col a:hover{color:var(--brand-400);text-decoration:underline;text-underline-offset:4px;}
.footer-bottom{
  border-top:1px solid rgba(242,247,244,.08);
  padding:22px 0 32px;
  display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center;justify-content:space-between;
  font-size:.8125rem;
}
.to-top{color:var(--ink-muted);transition:color .2s ease;}
.to-top:hover{color:var(--brand-400);}

/* roulang page: article */
:root{
  --ink-900:#0C1F1A; --ink-800:#12322A;
  --brand-600:#12A277; --brand-700:#0E8A66; --brand-400:#2FE0A8;
  --accent-500:#FFB443;
  --paper:#F6F4EF; --card:#FFFFFF; --line:#E4E1D8;
  --text:#16211D; --text-muted:#5C6B65;
  --on-dark:#F2F7F4; --on-dark-muted:rgba(242,247,244,.66);
  --radius-card:16px; --radius-img:12px; --radius-lg:20px; --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(12,31,26,.05);
  --shadow-2:0 1px 2px rgba(12,31,26,.06), 0 8px 24px -12px rgba(12,31,26,.18);
  --shadow-3:0 2px 4px rgba(12,31,26,.08), 0 18px 40px -18px rgba(12,31,26,.26);
  --font-stack:"PingFang SC","HarmonyOS Sans SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
html body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--font-stack);
  font-size:1.0625rem;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img,svg{display:block;max-width:100%}
img{height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
table{border-collapse:collapse}
::selection{background:rgba(47,224,168,.35)}
:focus-visible{outline:2px solid var(--brand-400);outline-offset:2px;border-radius:6px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.tnum{font-variant-numeric:tabular-nums}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 24px}}
@media (min-width:1280px){.container{max-width:1280px;padding:0 32px}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,244,239,.92);
  -webkit-backdrop-filter:saturate(160%) blur(10px);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .3s ease, box-shadow .3s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 1px 2px rgba(12,31,26,.05)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:60px}
@media (min-width:1024px){.header-inner{height:72px}}
.logo{display:inline-flex;align-items:center;gap:10px}
.logo-mark{display:grid;grid-template-columns:repeat(3,4px);grid-template-rows:repeat(3,4px);gap:3px}
.logo-mark i{display:block;width:4px;height:4px;border-radius:1px;background:rgba(12,31,26,.42)}
.logo-mark i:nth-child(5){background:var(--brand-600)}
.logo-text{font-size:1.0625rem;font-weight:700;letter-spacing:-.01em;color:var(--text)}
.desktop-nav{display:none}
@media (min-width:1024px){.desktop-nav{display:flex;align-items:center;gap:32px}}
.nav-link{position:relative;padding:6px 0;font-size:.9375rem;color:var(--text-muted);transition:color .2s ease}
.nav-link::after{
  content:"";position:absolute;left:50%;right:50%;bottom:0;height:2px;border-radius:2px;
  background:var(--brand-400);transition:left .24s ease, right .24s ease;
}
.nav-link:hover{color:var(--text)}
.nav-link:hover::after{left:0;right:0}
.nav-link.is-active{color:var(--text);font-weight:600}
.nav-link.is-active::after{left:0;right:0}
.header-actions{display:flex;align-items:center;gap:12px}
.btn-pill{
  display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:0 18px;
  border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.6);
  font-size:.875rem;font-weight:600;color:var(--text);
  transition:border-color .2s ease, color .2s ease, background-color .2s ease, transform .2s ease;
}
.btn-pill:hover{border-color:var(--brand-600);color:var(--brand-700);background:rgba(18,162,119,.08);transform:translateY(-1px)}
.menu-toggle{display:inline-flex;flex-direction:column;justify-content:center;align-items:flex-end;gap:6px;width:44px;height:44px}
.menu-toggle span{display:block;width:24px;height:1.5px;background:var(--text);transition:transform .24s ease, width .24s ease}
.menu-toggle:hover span:last-child{width:18px}
@media (min-width:1024px){.menu-toggle{display:none}}
.mobile-drawer{
  position:fixed;inset:0;z-index:90;display:flex;flex-direction:column;
  padding:20px 20px 32px;background:var(--ink-900);color:var(--on-dark);
  opacity:0;visibility:hidden;transform:translateY(-12px);
  transition:opacity .28s ease, transform .28s ease, visibility .28s ease;
}
.mobile-drawer.is-open{opacity:1;visibility:visible;transform:translateY(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid rgba(255,255,255,.1)}
.drawer-head .logo-text{color:var(--on-dark)}
.drawer-close{width:44px;height:44px;font-size:1.5rem;line-height:1;color:var(--on-dark-muted);transition:color .2s ease}
.drawer-close:hover{color:var(--on-dark)}
.drawer-nav{display:flex;flex-direction:column;gap:22px;margin:34px 0 0}
.drawer-nav a{font-size:1.25rem;line-height:1.5;color:var(--on-dark-muted);transition:color .2s ease}
.drawer-nav a:hover,.drawer-nav a.is-active{color:var(--on-dark)}
.drawer-nav a.is-active{font-weight:600}
.drawer-cta{margin-top:auto}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 22px;
  border-radius:var(--radius-btn);font-size:.9375rem;font-weight:600;
  transition:transform .2s ease, box-shadow .2s ease, background-color .2s ease, border-color .2s ease, color .2s ease;
}
.btn-primary{background:var(--brand-600);color:#fff;box-shadow:var(--shadow-2)}
.btn-primary:hover{background:var(--brand-700);transform:translateY(-2px);box-shadow:var(--shadow-3)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{border:1px solid var(--line);background:rgba(255,255,255,.7);color:var(--text)}
.btn-ghost:hover{border-color:var(--brand-600);color:var(--brand-700);background:rgba(18,162,119,.06)}
.btn-mint{background:var(--brand-400);color:var(--ink-900)}
.btn-mint:hover{background:#4DEBBA;transform:translateY(-2px);box-shadow:0 12px 28px -14px rgba(47,224,168,.8)}
.btn-mint:active{transform:translateY(0)}

/* ---------- 文章头部 ---------- */
.article-head{position:relative;overflow:hidden;padding:36px 0 0;background:var(--paper)}
.article-head::before{
  content:"";position:absolute;top:0;right:0;width:min(560px,62vw);height:230px;
  background-image:radial-gradient(rgba(12,31,26,.16) 1px, transparent 1px);
  background-size:8px 8px;
  -webkit-mask-image:linear-gradient(215deg,#000,transparent 72%);
  mask-image:linear-gradient(215deg,#000,transparent 72%);
  pointer-events:none;
}
.article-head-inner{position:relative;z-index:1}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.8125rem;line-height:1.6;color:var(--text-muted)}
.breadcrumb a{transition:color .2s ease}
.breadcrumb a:hover{color:var(--brand-700);text-decoration:underline;text-underline-offset:3px}
.crumb-sep{color:rgba(92,107,101,.6)}
.crumb-current{color:var(--text);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
@media (max-width:640px){.crumb-current{white-space:normal}}
.article-head-meta{margin-top:22px}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:5px 13px;border-radius:999px;
  border:1px solid rgba(18,162,119,.28);background:rgba(18,162,119,.08);
  font-size:.75rem;font-weight:600;letter-spacing:.02em;color:var(--brand-700);
}
.article-title{
  margin-top:16px;max-width:900px;
  font-size:clamp(1.75rem,3.6vw,2.5rem);line-height:1.24;font-weight:700;letter-spacing:-.02em;color:var(--text);
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px;margin-top:18px;font-size:.8125rem;color:var(--text-muted)}
.article-meta .dot{width:3px;height:3px;border-radius:50%;background:rgba(92,107,101,.5)}
.head-rule{height:1px;background:var(--line);margin-top:28px}

/* ---------- 文章布局 ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:44px;padding:44px 0 0}
@media (min-width:1024px){
  .article-layout{grid-template-columns:minmax(0,760px) 208px;justify-content:center;gap:56px;padding:56px 0 0}
  .article-layout.no-toc{grid-template-columns:minmax(0,760px)}
}
.article-main{min-width:0}

/* ---------- 正文排版 ---------- */
.article-body{font-size:1.0625rem;line-height:1.9;color:#1B2A25;word-wrap:break-word}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 1.5em}
.article-body h2{
  position:relative;margin:48px 0 16px;padding-left:16px;
  font-size:clamp(1.3rem,2.4vw,1.5rem);line-height:1.4;font-weight:700;color:var(--text);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:3px;border-radius:2px;background:var(--brand-400);
}
.article-body h3{margin:32px 0 12px;font-size:1.25rem;line-height:1.45;font-weight:600;color:var(--text)}
.article-body h4{margin:26px 0 10px;font-size:1.0625rem;font-weight:600;color:var(--text)}
.article-body ul,.article-body ol{margin:0 0 1.5em;padding-left:1.4em}
.article-body ul li{position:relative;margin-bottom:.6em;list-style:none}
.article-body ul li::before{
  content:"";position:absolute;left:-1.1em;top:.72em;width:7px;height:7px;border-radius:2px;background:var(--brand-400);
}
.article-body ol{list-style:decimal}
.article-body ol li{margin-bottom:.6em;padding-left:.2em}
.article-body blockquote{
  margin:26px 0;padding:16px 22px;border-left:3px solid var(--brand-600);
  background:rgba(255,255,255,.86);border-radius:0 var(--radius-img) var(--radius-img) 0;
  color:var(--text-muted);font-size:1rem;line-height:1.85;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body a{color:var(--brand-700);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.article-body a:hover{color:var(--brand-600)}
.article-body img{margin:26px auto;border-radius:var(--radius-img);background:#EDEAE3}
.article-body figure{margin:26px 0}
.article-body figure img{margin:0}
.article-body figcaption{margin-top:10px;font-size:.8125rem;line-height:1.7;color:var(--text-muted);text-align:center}
.article-body hr{margin:40px 0;border:0;border-top:1px solid var(--line)}
.article-body strong{font-weight:700;color:var(--text)}
.article-body code{padding:2px 6px;border-radius:6px;background:#EFEDE6;font-size:.9em}
.article-body pre{margin:24px 0;padding:16px 18px;border-radius:var(--radius-img);background:var(--ink-900);color:#DDEBE5;overflow-x:auto;font-size:.9rem;line-height:1.7}
.article-body table{width:100%;margin:26px 0;border:1px solid var(--line);border-radius:var(--radius-img);overflow:hidden;font-size:.9375rem;background:#fff;display:block;overflow-x:auto}
.article-body thead th{padding:11px 14px;background:#EFEDE6;font-weight:600;text-align:left;white-space:nowrap}
.article-body td{padding:11px 14px;border-top:1px solid var(--line);text-align:left;vertical-align:top}
.article-body tbody tr:nth-child(even){background:#FBFAF7}

/* ---------- 目录 ---------- */
.toc{display:none}
@media (min-width:1024px){
  .toc{display:block;position:sticky;top:104px;align-self:start}
}
.toc-title{margin-bottom:12px;font-size:.75rem;font-weight:700;letter-spacing:.14em;color:var(--text-muted)}
.toc-list{border-left:1px solid var(--line)}
.toc-list a{
  display:block;margin-left:-1px;padding:7px 0 7px 14px;border-left:2px solid transparent;
  font-size:.875rem;line-height:1.6;color:var(--text-muted);transition:color .2s ease, border-color .2s ease;
}
.toc-list a:hover{color:var(--brand-700)}
.toc-list a.is-current{border-left-color:var(--brand-400);color:var(--text);font-weight:600}

/* ---------- 文章收尾 ---------- */
.article-foot{display:flex;flex-wrap:wrap;gap:12px;margin-top:44px;padding-top:28px;border-top:1px solid var(--line)}
.empty-state{margin:8px 0 0;padding:40px 24px;text-align:center;border:1px dashed var(--line);border-radius:var(--radius-card);background:rgba(255,255,255,.7)}
.empty-title{font-size:1.25rem;font-weight:700;color:var(--text)}
.empty-desc{margin:10px auto 22px;max-width:520px;font-size:.9375rem;color:var(--text-muted)}

/* ---------- 区块通用 ---------- */
.section{padding:64px 0}
@media (min-width:1024px){.section{padding:88px 0}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px}
@media (min-width:1024px){.section-head{margin-bottom:44px}}
.section-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.75rem;font-weight:700;letter-spacing:.14em;color:var(--brand-700)}
.section-eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:var(--brand-400)}
.section-title{margin-top:12px;font-size:clamp(1.5rem,2.6vw,2.125rem);line-height:1.3;font-weight:700;letter-spacing:-.015em;color:var(--text)}
.section-sub{margin-top:12px;max-width:640px;font-size:.9375rem;line-height:1.8;color:var(--text-muted)}
.text-link{font-size:.875rem;font-weight:600;color:var(--brand-700);border-bottom:1px solid rgba(18,162,119,.35);padding-bottom:2px;transition:border-color .2s ease,color .2s ease}
.text-link:hover{color:var(--brand-600);border-color:var(--brand-600)}

/* ---------- 相关推荐卡 ---------- */
#related{padding-top:64px}
.related-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:20px}
@media (min-width:768px){.related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.related-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}}
.related-card{
  display:flex;flex-direction:column;height:100%;overflow:hidden;background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-1);
  transition:transform .35s ease, box-shadow .35s ease, border-color .35s ease;
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(18,162,119,.4)}
.related-thumb{aspect-ratio:16/9;background:#EDEAE3;overflow:hidden}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.related-card:hover .related-thumb img{transform:scale(1.03)}
.related-body{display:flex;flex-direction:column;flex:1;padding:18px 20px 22px}
.related-tag{font-size:.75rem;font-weight:600;color:var(--brand-700);letter-spacing:.02em}
.related-title{margin-top:8px;font-size:1.0625rem;line-height:1.5;font-weight:600;color:var(--text)}
.related-text{margin-top:10px;font-size:.875rem;line-height:1.75;color:var(--text-muted)}
.related-more{margin-top:auto;padding-top:16px;font-size:.8125rem;font-weight:600;color:var(--text)}

/* ---------- 路径卡 ---------- */
.path-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:0;border-top:1px solid var(--line)}
@media (min-width:768px){.path-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.path-card{
  position:relative;display:block;padding:26px 22px 30px;border-bottom:1px solid var(--line);
  transition:background-color .25s ease, transform .25s ease;
}
@media (min-width:768px){
  .path-card{border-right:1px solid var(--line)}
  .path-card:last-child{border-right:0}
}
.path-card:hover{background:rgba(255,255,255,.85)}
.path-num{font-size:.8125rem;font-weight:700;letter-spacing:.1em;color:var(--brand-600);font-variant-numeric:tabular-nums}
.path-card h3{margin-top:12px;font-size:1.125rem;line-height:1.45;font-weight:600;color:var(--text)}
.path-card p{margin-top:10px;font-size:.875rem;line-height:1.8;color:var(--text-muted)}
.path-arrow{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:.8125rem;font-weight:600;color:var(--brand-700)}
.path-card:hover .path-arrow{gap:10px}

/* ---------- 订阅 CTA ---------- */
.cta-section{padding:16px 0 72px}
@media (min-width:1024px){.cta-section{padding:24px 0 96px}}
.cta-band{
  display:grid;grid-template-columns:minmax(0,1fr);gap:28px;
  padding:34px 24px;border-radius:24px;background:var(--ink-900);color:var(--on-dark);
  box-shadow:var(--shadow-3);
}
@media (min-width:1024px){.cta-band{grid-template-columns:1.05fr .95fr;align-items:center;gap:48px;padding:48px 48px}}
.cta-label{font-size:.75rem;font-weight:700;letter-spacing:.14em;color:var(--brand-400)}
.cta-band h2{margin-top:12px;font-size:clamp(1.4rem,2.4vw,1.875rem);line-height:1.35;font-weight:700;color:var(--on-dark);letter-spacing:-.01em}
.cta-band p.cta-desc{margin-top:14px;font-size:.9375rem;line-height:1.8;color:var(--on-dark-muted)}
.cta-form{display:flex;flex-wrap:wrap;gap:12px}
.cta-form input{
  flex:1 1 220px;min-width:0;height:48px;padding:0 16px;border-radius:var(--radius-btn);
  border:1px solid transparent;background:#fff;color:var(--text);font-size:.9375rem;
  transition:box-shadow .2s ease;
}
.cta-form input::placeholder{color:#8E9B95}
.cta-form input:focus{outline:none;box-shadow:0 0 0 3px rgba(47,224,168,.55)}
.cta-form .btn{flex:0 0 auto}
.form-note{flex:1 1 100%;font-size:.8125rem;color:var(--brand-400)}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:8px;padding:56px 0 25px;background:var(--ink-900);color:var(--on-dark-muted)}
.site-footer::before{content:"";display:block;height:1px;margin:-56px 0 56px;background:rgba(255,255,255,.08)}
.footer-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:34px}
@media (min-width:768px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.7fr .9fr .9fr;gap:48px}}
.footer-brand .logo-mark i{background:rgba(242,247,244,.34)}
.footer-brand .logo-mark i:nth-child(5){background:var(--brand-400)}
.footer-brand .logo-text{color:var(--on-dark)}
.footer-desc{margin-top:16px;max-width:360px;font-size:.875rem;line-height:1.8;color:var(--on-dark-muted)}
.footer-quote{margin-top:16px;padding-left:14px;border-left:2px solid var(--brand-400);font-size:.8125rem;color:rgba(242,247,244,.8)}
.footer-title{margin-bottom:14px;font-size:.8125rem;font-weight:700;letter-spacing:.1em;color:var(--on-dark)}
.footer-link{display:block;padding:5px 0;font-size:.875rem;color:var(--on-dark-muted);transition:color .2s ease}
.footer-link:hover{color:var(--on-dark);text-decoration:underline;text-underline-offset:3px}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);
  font-size:.8125rem;color:rgba(242,247,244,.5);
}
.footer-bottom a{transition:color .2s ease}
.footer-bottom a:hover{color:var(--on-dark)}
.footer-bottom-right{display:flex;flex-wrap:wrap;align-items:center;gap:18px}

/* roulang page: category3 */
:root{
  --ink-900:#0C1F1A;
  --ink-800:#12322A;
  --brand-600:#12A277;
  --brand-700:#0E8A66;
  --brand-400:#2FE0A8;
  --accent-500:#FFB443;
  --paper:#F6F4EF;
  --card:#FFFFFF;
  --line:#E4E1D8;
  --text:#16211D;
  --text-muted:#5C6B65;
  --ink-text:#F2F7F4;
  --ink-muted:rgba(242,247,244,.66);
  --r-card:16px;
  --r-img:12px;
  --r-big:20px;
  --r-btn:10px;
  --shadow-1:0 1px 2px rgba(12,31,26,.06), 0 8px 24px -12px rgba(12,31,26,.18);
  --shadow-2:0 2px 4px rgba(12,31,26,.08), 0 18px 40px -16px rgba(12,31,26,.28);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:'PingFang SC','HarmonyOS Sans SC','Hiragino Sans GB','Microsoft YaHei',system-ui,sans-serif;
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
.num{font-variant-numeric:tabular-nums;}
:focus-visible{outline:2px solid var(--brand-400);outline-offset:2px;border-radius:4px;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(246,244,239,.92);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:72px;
}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--ink-900);}
.logo-mark{
  width:22px;height:22px;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  grid-template-rows:repeat(3,1fr);
  gap:2px;
}
.logo-mark i{display:block;background:var(--brand-600);border-radius:2px;}
.logo-mark i:nth-child(5){background:var(--accent-500);}
.logo-text{font-size:1.0625rem;font-weight:700;letter-spacing:-.01em;}
.desktop-nav{display:flex;align-items:center;gap:36px;}
.nav-link{
  position:relative;
  padding:6px 0;
  font-size:.9375rem;
  color:var(--text);
  transition:color .2s ease;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:50%;right:50%;
  bottom:0;
  height:2px;
  background:var(--brand-400);
  transition:left .24s ease,right .24s ease;
}
.nav-link:hover{color:var(--brand-700);}
.nav-link:hover::after{left:0;right:0;}
.nav-link.is-active{font-weight:600;color:var(--ink-900);}
.nav-link.is-active::after{left:0;right:0;}
.header-actions{display:flex;align-items:center;gap:14px;}
.btn-pill{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:44px;
  padding:0 20px;
  border:1px solid var(--line);
  border-radius:999px;
  font-size:.875rem;
  color:var(--ink-900);
  background:transparent;
  transition:border-color .2s ease,color .2s ease,background-color .2s ease;
}
.btn-pill:hover{border-color:var(--brand-600);color:var(--brand-700);background:rgba(18,162,119,.06);}
.menu-toggle{
  display:none;
  width:44px;height:44px;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:6px;
}
.menu-toggle span{display:block;width:24px;height:1.5px;background:var(--ink-900);transition:transform .24s ease;}
.menu-toggle[aria-expanded="true"] span:first-child{transform:translateY(3.75px) rotate(45deg);}
.menu-toggle[aria-expanded="true"] span:last-child{transform:translateY(-3.75px) rotate(-45deg);}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;
  inset:0;
  z-index:90;
  background:var(--ink-900);
  color:var(--ink-text);
  padding:24px 20px 32px;
  display:flex;
  flex-direction:column;
  gap:28px;
  transform:translateY(-100%);
  transition:transform .32s ease;
  overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateY(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-head .logo-text{color:var(--ink-text);font-size:1.125rem;}
.drawer-close{width:44px;height:44px;font-size:1.75rem;line-height:1;color:var(--ink-text);}
.drawer-nav{display:flex;flex-direction:column;gap:24px;}
.drawer-nav a{
  font-size:1.25rem;
  line-height:1.4;
  color:var(--ink-muted);
  transition:color .2s ease;
}
.drawer-nav a:hover,.drawer-nav a.is-active{color:var(--ink-text);}
.drawer-cta{margin-top:auto;width:100%;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 24px;
  border-radius:var(--r-btn);
  font-size:.9375rem;
  font-weight:600;
  border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,border-color .2s ease,color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--brand-600);color:#fff;box-shadow:var(--shadow-1);}
.btn-primary:hover{background:var(--brand-700);transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{border-color:var(--line);color:var(--ink-900);background:transparent;}
.btn-ghost:hover{border-color:var(--brand-600);color:var(--brand-700);background:rgba(18,162,119,.06);}
.btn-mint{background:var(--brand-400);color:var(--ink-900);border-color:var(--brand-400);}
.btn-mint:hover{background:#28c894;transform:translateY(-2px);box-shadow:0 12px 28px -14px rgba(47,224,168,.7);}
.btn-ink-ghost{border-color:rgba(242,247,244,.28);color:var(--ink-text);}
.btn-ink-ghost:hover{border-color:var(--brand-400);color:var(--brand-400);}

/* ---------- Tags ---------- */
.tag-pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:5px 14px;
  border-radius:999px;
  border:1px solid rgba(47,224,168,.42);
  color:var(--brand-400);
  font-size:.8125rem;
  letter-spacing:.02em;
}
.tag-pill.on-light{border-color:rgba(18,162,119,.32);color:var(--brand-700);background:rgba(18,162,119,.06);}
.badge-accent{
  display:inline-flex;
  align-items:center;
  padding:3px 10px;
  border:1px solid var(--accent-500);
  border-radius:999px;
  font-size:.75rem;
  color:#8a5a10;
  background:rgba(255,180,67,.12);
}

/* ---------- Hero ---------- */
.cat-hero{
  position:relative;
  background:var(--ink-900);
  color:var(--ink-text);
  overflow:hidden;
  padding:64px 0 72px;
}
.cat-hero-bg{
  position:absolute;
  inset:0;
  background-image:
    radial-gradient(rgba(47,224,168,.16) 1px, transparent 1px),
    linear-gradient(180deg, rgba(12,31,26,.72) 0%, rgba(12,31,26,.94) 100%),
    url('/assets/images/backpic/back-2.png');
  background-size:8px 8px, cover, cover;
  background-position:0 0, center, center;
  background-repeat:repeat, no-repeat, no-repeat;
}
.cat-hero-inner{position:relative;z-index:2;max-width:900px;}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:.8125rem;
  color:var(--ink-muted);
  margin-bottom:22px;
}
.breadcrumb a{transition:color .2s ease;}
.breadcrumb a:hover{color:var(--brand-400);}
.breadcrumb .sep{opacity:.5;}
.breadcrumb .current{color:var(--ink-text);}
.cat-hero h1{
  margin:20px 0 18px;
  font-size:clamp(2rem,4.6vw,3.25rem);
  line-height:1.18;
  font-weight:700;
  letter-spacing:-.02em;
}
.cat-hero .hero-lead{
  max-width:760px;
  font-size:1.0625rem;
  line-height:1.85;
  color:rgba(242,247,244,.78);
}
.hero-stats{
  display:flex;
  flex-wrap:wrap;
  gap:12px 36px;
  margin-top:34px;
  padding-top:26px;
  border-top:1px solid rgba(242,247,244,.14);
}
.hero-stat{display:flex;align-items:baseline;gap:8px;}
.hero-stat b{font-size:1.5rem;font-weight:700;color:var(--brand-400);font-variant-numeric:tabular-nums;}
.hero-stat span{font-size:.8125rem;color:var(--ink-muted);}

/* ---------- Sections ---------- */
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-head{max-width:720px;margin-bottom:44px;}
.section-kicker{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:.8125rem;
  letter-spacing:.06em;
  color:var(--brand-700);
  margin-bottom:14px;
}
.section-kicker::before{content:"";width:22px;height:1px;background:var(--brand-600);}
.section-title{
  font-size:clamp(1.5rem,2.6vw,2.125rem);
  line-height:1.28;
  font-weight:700;
  letter-spacing:-.01em;
}
.section-desc{margin-top:14px;color:var(--text-muted);font-size:1rem;line-height:1.85;}

/* ---------- FAQ layout + sticky card ---------- */
.faq-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 284px;
  gap:48px;
  align-items:start;
}
.faq-column{max-width:900px;width:100%;}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-trigger{
  width:100%;
  display:flex;
  align-items:flex-start;
  gap:18px;
  padding:26px 0;
  text-align:left;
  transition:color .2s ease;
}
.faq-index{
  flex:none;
  width:38px;
  font-size:.875rem;
  font-weight:700;
  color:var(--brand-600);
  font-variant-numeric:tabular-nums;
  padding-top:5px;
}
.faq-question{
  flex:1;
  font-size:1.125rem;
  font-weight:600;
  line-height:1.6;
  transition:color .24s ease;
}
.faq-trigger:hover .faq-question{color:var(--brand-700);}
.faq-trigger[aria-expanded="true"] .faq-question{color:var(--brand-700);}
.faq-icon{
  flex:none;
  position:relative;
  width:20px;height:20px;
  margin-top:8px;
}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  left:50%;top:50%;
  background:var(--text-muted);
  transition:transform .24s ease,background-color .24s ease;
}
.faq-icon::before{width:14px;height:1.5px;transform:translate(-50%,-50%);}
.faq-icon::after{width:1.5px;height:14px;transform:translate(-50%,-50%);}
.faq-trigger[aria-expanded="true"] .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);}
.faq-trigger[aria-expanded="true"] .faq-icon::before,.faq-trigger[aria-expanded="true"] .faq-icon::after{background:var(--brand-600);}
.faq-panel{
  max-height:0;
  overflow:hidden;
  transition:max-height .24s ease;
}
.faq-answer{
  padding:0 46px 28px 56px;
  font-size:1rem;
  line-height:1.95;
  color:var(--text-muted);
}
.faq-answer strong{color:var(--text);font-weight:600;}
.faq-answer ul{margin-top:12px;display:flex;flex-direction:column;gap:8px;}
.faq-answer li{position:relative;padding-left:16px;}
.faq-answer li::before{
  content:"";
  position:absolute;
  left:0;top:.72em;
  width:6px;height:6px;
  background:var(--brand-400);
  border-radius:1.5px;
}

.side-card{
  position:sticky;
  top:96px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px 24px;
  box-shadow:var(--shadow-1);
}
.side-card h3{font-size:1.0625rem;font-weight:700;margin-bottom:6px;}
.side-card .side-sub{font-size:.8125rem;color:var(--text-muted);line-height:1.6;margin-bottom:20px;}
.side-list{display:flex;flex-direction:column;gap:16px;}
.side-list li{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding-bottom:14px;border-bottom:1px solid var(--line);}
.side-list li:last-child{border-bottom:0;padding-bottom:0;}
.side-list b{font-size:1.25rem;font-weight:700;color:var(--ink-900);font-variant-numeric:tabular-nums;}
.side-list span{font-size:.8125rem;color:var(--text-muted);text-align:right;}
.side-card .btn{width:100%;margin-top:22px;}

/* ---------- Path cards ---------- */
.path-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;
}
.path-card{
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.path-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(18,162,119,.35);}
.path-media{
  position:relative;
  aspect-ratio:16/10;
  background:#E9E6DE;
  overflow:hidden;
}
.path-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease;}
.path-card:hover .path-media img{transform:scale(1.03);}
.path-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.path-body h3{font-size:1.0625rem;font-weight:600;line-height:1.45;}
.path-body p{font-size:.875rem;line-height:1.8;color:var(--text-muted);}
.path-link{
  margin-top:auto;
  font-size:.875rem;
  font-weight:600;
  color:var(--brand-700);
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.path-link::after{content:"→";transition:transform .24s ease;}
.path-card:hover .path-link::after{transform:translateX(4px);}

/* ---------- Steps ---------- */
.steps-wrap{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.step-card{
  position:relative;
  background:var(--card);
  border:1px solid var(--line);
  border-left:3px solid var(--brand-600);
  border-radius:var(--r-card);
  padding:26px 24px;
  box-shadow:var(--shadow-1);
  transition:transform .3s ease,box-shadow .3s ease;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.step-num{
  font-size:.8125rem;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--brand-600);
  font-variant-numeric:tabular-nums;
  display:block;
  margin-bottom:12px;
}
.step-card h3{font-size:1.125rem;font-weight:600;margin-bottom:10px;line-height:1.45;}
.step-card p{font-size:.9375rem;line-height:1.85;color:var(--text-muted);}

/* ---------- Notice ---------- */
.notice{
  margin-top:32px;
  display:flex;
  gap:16px;
  padding:22px 24px;
  border:1px dashed rgba(18,162,119,.45);
  border-radius:var(--r-card);
  background:rgba(18,162,119,.05);
}
.notice-mark{
  flex:none;
  width:32px;height:32px;
  border-radius:8px;
  background:var(--brand-600);
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:.875rem;font-weight:700;
}
.notice p{font-size:.9375rem;line-height:1.85;color:var(--text);}
.notice p span{color:var(--text-muted);}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--ink-900);
  color:var(--ink-text);
  border-radius:24px;
  padding:56px 48px;
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,420px);
  gap:40px;
  align-items:center;
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-60px;top:-60px;
  width:240px;height:240px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(47,224,168,.22),transparent 68%);
  pointer-events:none;
}
.cta-band h2{font-size:clamp(1.375rem,2.4vw,1.875rem);line-height:1.3;font-weight:700;}
.cta-band p{margin-top:14px;font-size:.9375rem;line-height:1.85;color:var(--ink-muted);max-width:520px;}
.cta-form{display:flex;gap:12px;flex-wrap:wrap;}
.cta-form input{
  flex:1 1 220px;
  min-height:48px;
  padding:0 18px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  background:#fff;
  color:var(--ink-900);
  font-size:.9375rem;
}
.cta-form input::placeholder{color:#93A09B;}
.cta-form input:focus{outline:2px solid var(--brand-400);outline-offset:2px;}
.cta-form .btn{flex:none;}
.cta-hint{width:100%;font-size:.8125rem;color:var(--ink-muted);margin-top:2px;}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--ink-900);
  color:var(--ink-text);
  border-top:1px solid rgba(255,255,255,.08);
  padding:72px 0 28px;
  margin-top:96px;
}
.footer-grid{
  display:grid;
  grid-template-columns:repeat(5,minmax(0,1fr));
  gap:40px 32px;
}
.footer-brand{grid-column:span 2;max-width:340px;}
.footer-brand .logo-text{color:var(--ink-text);}
.footer-brand p{margin-top:16px;font-size:.875rem;line-height:1.85;color:var(--ink-muted);}
.footer-col h4{font-size:.875rem;font-weight:600;letter-spacing:.02em;margin-bottom:18px;color:var(--ink-text);}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{
  font-size:.875rem;
  color:var(--ink-muted);
  transition:color .2s ease;
  border-bottom:1px solid transparent;
}
.footer-col a:hover{color:var(--brand-400);border-bottom-color:rgba(47,224,168,.5);}
.footer-bottom{
  margin-top:56px;
  padding-top:24px;
  border-top:1px solid rgba(255,255,255,.08);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  font-size:.8125rem;
  color:var(--ink-muted);
}
.footer-bottom a:hover{color:var(--brand-400);}
.to-top{
  font-size:.8125rem;
  color:var(--ink-muted);
  display:inline-flex;
  align-items:center;
  gap:6px;
  transition:color .2s ease;
}
.to-top:hover{color:var(--brand-400);}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .desktop-nav{display:none;}
  .menu-toggle{display:flex;}
  .faq-layout{grid-template-columns:minmax(0,1fr);gap:36px;}
  .side-card{position:static;}
  .path-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .steps-wrap{grid-template-columns:minmax(0,1fr);}
  .cta-band{grid-template-columns:minmax(0,1fr);padding:44px 32px;}
  .footer-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
  .footer-brand{grid-column:span 3;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .section{padding:64px 0;}
  .section-tight{padding:52px 0;}
  .cat-hero{padding:44px 0 54px;}
  .header-inner{height:64px;}
  .hero-stats{gap:10px 24px;}
  .faq-answer{padding:0 0 26px 0;}
  .faq-trigger{gap:12px;padding:22px 0;}
  .faq-index{width:30px;font-size:.8125rem;}
  .faq-question{font-size:1.0625rem;}
  .cta-band{border-radius:20px;padding:36px 22px;}
  .site-footer{margin-top:64px;padding:56px 0 24px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px 24px;}
  .footer-brand{grid-column:span 2;}
}
@media (max-width:520px){
  .container{padding-left:18px;padding-right:18px;}
  .path-grid{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:minmax(0,1fr);}
  .footer-brand{grid-column:span 1;}
  .cta-form .btn{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}