/* roulang page: index */
:root{
  --ink:#121316;
  --panel:#1B1A22;
  --paper:#F7F5F0;
  --line:#E4E2DC;
  --text:#3A3D42;
  --muted:#6E7278;
  --lime:#C9F24D;
  --orange:#FF6A3D;
  --r-sm:8px;
  --r-card:16px;
  --r-lg:20px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(18,19,22,.05),0 8px 24px rgba(18,19,22,.06);
  --shadow-2:0 6px 18px rgba(18,19,22,.10),0 18px 40px rgba(18,19,22,.08);
  --gap:24px;
  --sec:96px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--ink);text-decoration:none;transition:color .25s ease,opacity .25s ease}
a:hover{color:var(--ink)}
p{margin:0 0 16px}
ul,ol{margin:0 0 16px;padding-left:22px}
li{margin-bottom:8px}
button{font-family:inherit}
h1,h2,h3,h4{margin:0 0 12px;color:var(--ink);font-family:var(--font)}
h1{font-size:clamp(32px,4.6vw,56px);font-weight:800;line-height:1.15;letter-spacing:-.02em}
h2{font-size:clamp(24px,2.6vw,34px);font-weight:700;line-height:1.25;letter-spacing:-.01em}
h3{font-size:20px;font-weight:600;line-height:1.4}
h4{font-size:17px;font-weight:600}
::selection{background:var(--lime);color:var(--ink)}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px}

.wrap{width:min(1240px,calc(100% - 40px));margin:0 auto}
.section{padding:var(--sec) 0}
.section-sm{padding:64px 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.14em;color:var(--muted);text-transform:uppercase;font-weight:600;margin-bottom:14px}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--lime);display:inline-block}
.section-head{max-width:760px;margin-bottom:44px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-sub{color:var(--muted);font-size:16px;margin:0}
.meta{font-size:13px;letter-spacing:.06em;color:var(--muted)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-pill);font-size:15px;font-weight:600;
  border:1.5px solid transparent;cursor:pointer;line-height:1;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
}
.btn-primary{background:var(--orange);color:#F7F5F0}
.btn-primary:hover{background:var(--orange);color:#F7F5F0;transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--paper);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-lime{background:var(--lime);color:var(--ink)}
.btn-lime:hover{background:var(--lime);color:var(--ink);transform:translateY(-2px);box-shadow:0 12px 28px rgba(201,242,77,.28)}
.btn-sm{padding:11px 20px;font-size:14px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--ink)}
.link-arrow i{transition:transform .25s ease}
.link-arrow:hover i{transform:translateX(4px)}

/* ---------- floating pill nav ---------- */
.site-header{
  position:fixed;top:16px;left:50%;transform:translateX(-50%);
  width:min(1240px,calc(100% - 32px));z-index:80;
}
.nav-shell{
  display:flex;align-items:center;gap:16px;
  height:64px;padding:0 10px 0 18px;
  border-radius:var(--r-pill);
  background:rgba(247,245,240,.78);
  border:1px solid var(--line);
  box-shadow:var(--shadow-1);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  transition:height .3s ease,background .3s ease,box-shadow .3s ease;
}
.site-header.is-scrolled .nav-shell{height:52px;background:rgba(247,245,240,.94);box-shadow:var(--shadow-2)}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:11px;background:var(--ink);color:var(--lime);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:17px;
}
.brand-text{font-size:16px;font-weight:800;letter-spacing:-.01em;color:var(--ink);white-space:nowrap}
.brand-text em{font-style:normal;font-weight:600;color:var(--muted);font-size:14px;margin-left:2px}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  display:inline-flex;align-items:center;height:38px;padding:0 14px;border-radius:var(--r-pill);
  font-size:14.5px;font-weight:500;color:var(--muted);white-space:nowrap;
  transition:background .25s ease,color .25s ease;
}
.nav-link:hover{background:rgba(18,19,22,.06);color:var(--ink)}
.nav-link.is-active{background:var(--ink);color:var(--paper)}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-pill);
  background:transparent;cursor:pointer;padding:0;align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:17px;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s ease,opacity .25s ease}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- hero ---------- */
.hero{position:relative;padding:150px 0 88px;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(247,245,240,.94),rgba(247,245,240,.72) 42%,var(--paper) 78%),
             url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
  opacity:.9;z-index:0;
}
.hero .wrap{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:var(--r-pill);
  background:var(--lime);color:var(--ink);font-size:13px;font-weight:700;letter-spacing:.02em;margin-bottom:22px;
}
.hero h1{margin-bottom:18px}
.hero h1 span{position:relative;white-space:nowrap}
.hero h1 span::after{
  content:"";position:absolute;left:0;right:0;bottom:4px;height:10px;background:var(--lime);
  opacity:.55;border-radius:4px;z-index:-1;
}
.hero-sub{font-size:18px;line-height:1.8;color:var(--text);max-width:520px;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.hero-trust{display:flex;flex-wrap:wrap;gap:22px;list-style:none;padding:0;margin:0}
.hero-trust li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted);margin:0}
.hero-trust i{color:var(--orange)}
.hero-visual{position:relative}
.hero-figure{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow-2);aspect-ratio:4/3;background:var(--panel);
}
.hero-figure img{width:100%;height:100%;object-fit:cover}
.hero-tag{
  position:absolute;left:-16px;bottom:28px;background:var(--paper);border:1px solid var(--line);
  border-radius:var(--r-card);padding:14px 18px;box-shadow:var(--shadow-1);display:flex;align-items:center;gap:12px;
}
.hero-tag b{font-size:22px;color:var(--ink);line-height:1}
.hero-tag small{display:block;font-size:12px;color:var(--muted);letter-spacing:.06em}
.hero-strip{
  position:absolute;right:-10px;top:-14px;background:var(--ink);color:var(--lime);
  padding:10px 18px;border-radius:var(--r-pill);font-size:13px;font-weight:600;letter-spacing:.04em;
}

/* ---------- trust bar ---------- */
.trust-bar{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff}
.trust-items{display:flex;flex-wrap:wrap;gap:12px;padding:20px 0;list-style:none;margin:0}
.trust-items li{
  flex:1 1 200px;display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text);margin:0;
}
.trust-items i{color:var(--orange);font-size:16px}
.trust-items b{font-weight:700;color:var(--ink)}

/* ---------- game grid ---------- */
.game-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow-1);height:calc(100% - 24px);display:flex;flex-direction:column;margin-bottom:24px;
  transition:transform .3s ease,box-shadow .3s ease;
}
.game-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.game-cover{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--panel)}
.game-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.game-card:hover .game-cover img{transform:scale(1.04)}
.game-corner{
  position:absolute;top:12px;left:12px;background:var(--orange);color:#F7F5F0;
  font-size:12px;font-weight:700;padding:5px 12px;border-radius:var(--r-pill);letter-spacing:.04em;
}
.game-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.game-body h3{margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.game-desc{font-size:14.5px;color:var(--muted);margin:0 0 16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.game-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:14px;border-top:1px solid var(--line)}
.game-price{font-size:15px;font-weight:700;color:var(--orange)}

/* ---------- reviews ---------- */
.reviews{background:var(--panel);color:#EDEBE6;border-radius:26px;padding:56px 0}
.reviews .eyebrow{color:rgba(247,245,240,.6)}
.reviews h2{color:var(--paper)}
.reviews .section-sub{color:rgba(247,245,240,.66)}
.review-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px}
.review-nav{display:flex;gap:10px}
.review-nav button{
  width:44px;height:44px;border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.18);
  background:transparent;color:var(--paper);cursor:pointer;transition:background .25s ease,color .25s ease;
}
.review-nav button:hover{background:var(--lime);color:var(--ink);border-color:var(--lime)}
.review-track{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding-bottom:10px;scrollbar-width:thin;
}
.review-track::-webkit-scrollbar{height:6px}
.review-track::-webkit-scrollbar-thumb{background:rgba(255,255,255,.18);border-radius:99px}
.review-card{
  flex:0 0 clamp(260px,32%,380px);scroll-snap-align:start;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.10);
  border-radius:var(--r-card);padding:24px;
}
.review-stars{color:var(--lime);font-size:13px;letter-spacing:.14em;margin-bottom:12px}
.review-card p{font-size:15px;line-height:1.85;color:rgba(247,245,240,.9);margin-bottom:18px}
.review-user{display:flex;align-items:center;gap:12px}
.review-avatar{
  width:38px;height:38px;border-radius:50%;background:var(--lime);color:var(--ink);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;
}
.review-user b{display:block;font-size:14px;color:var(--paper);font-weight:600}
.review-user small{font-size:12px;color:rgba(247,245,240,.55);letter-spacing:.06em}

/* ---------- guarantee ---------- */
.guarantee{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.guarantee-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.guarantee-item{padding:36px 26px;border-right:1px solid var(--line)}
.guarantee-item:last-child{border-right:0}
.guarantee-item i{font-size:22px;color:var(--orange);margin-bottom:14px;display:block}
.guarantee-item h3{font-size:17px;margin-bottom:6px}
.guarantee-item p{font-size:14px;color:var(--muted);margin:0}

/* ---------- cta band ---------- */
.cta-band{background:var(--ink);color:var(--paper);border-radius:26px;padding:56px 48px;position:relative;overflow:hidden}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(201,242,77,.22),transparent 70%);
}
.cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-band h2{color:var(--paper);margin-bottom:8px}
.cta-band p{color:rgba(247,245,240,.7);margin:0;font-size:16px}

/* ---------- news ---------- */
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px;
  box-shadow:var(--shadow-1);height:calc(100% - 24px);margin-bottom:24px;display:flex;flex-direction:column;
  transition:transform .3s ease,box-shadow .3s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.tag-pill{
  display:inline-flex;align-items:center;align-self:flex-start;
  border:1px solid var(--lime);color:var(--ink);background:rgba(201,242,77,.16);
  border-radius:var(--r-pill);font-size:12px;font-weight:600;letter-spacing:.04em;padding:4px 12px;margin-bottom:14px;
}
.news-title{font-size:19px;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-title a:hover{color:var(--orange)}
.news-excerpt{font-size:14.5px;color:var(--muted);margin-bottom:20px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:14px;border-top:1px solid var(--line)}
.news-empty{
  text-align:center;padding:56px 24px;border:1px dashed var(--line);border-radius:var(--r-card);background:#fff;
}
.news-empty i{font-size:26px;color:var(--muted);display:block;margin-bottom:14px}
.news-empty p{color:var(--muted);margin-bottom:18px}

/* ---------- faq ---------- */
.faq-list{max-width:880px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);margin-bottom:14px;overflow:hidden;transition:box-shadow .25s ease}
.faq-item.is-open{box-shadow:var(--shadow-1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:transparent;border:0;padding:22px 24px;text-align:left;cursor:pointer;
  font-size:16.5px;font-weight:600;color:var(--ink);line-height:1.5;
}
.faq-q i{font-size:15px;color:var(--orange);transition:transform .3s ease;flex:0 0 auto}
.faq-item.is-open .faq-q i{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a p{padding:0 24px 22px;margin:0;color:var(--muted);font-size:15px;line-height:1.85}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(247,245,240,.72);padding:72px 0 0;margin-top:var(--sec)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{background:var(--lime);color:var(--ink)}
.footer-brand b{color:var(--paper);font-size:16px;font-weight:800}
.site-footer p{font-size:14px;line-height:1.85;color:rgba(247,245,240,.6)}
.footer-col h4{color:var(--paper);font-size:15px;margin-bottom:18px;letter-spacing:.02em}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:rgba(247,245,240,.68)}
.footer-col a:hover{color:var(--lime)}
.footer-sub{display:flex;gap:10px;margin-top:16px;flex-wrap:wrap}
.footer-sub input{
  flex:1 1 160px;height:48px;border-radius:12px;border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.05);color:var(--paper);padding:0 16px;font-size:14px;
  transition:border-color .25s ease;
}
.footer-sub input::placeholder{color:rgba(247,245,240,.4)}
.footer-sub input:focus{outline:none;border-color:var(--lime)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);padding:22px 0 30px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(247,245,240,.5);
}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px)}
.reveal.in-view{opacity:1;transform:none;transition:opacity .4s ease-out,transform .4s ease-out}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  :root{--sec:72px;--gap:20px}
  .nav-menu{
    position:absolute;top:74px;left:0;right:0;flex-direction:column;align-items:stretch;
    background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);
    padding:14px;box-shadow:var(--shadow-2);gap:6px;
    display:none;
  }
  .nav-menu.is-open{display:flex}
  .nav-link{height:46px;border-radius:12px;font-size:15px}
  .nav-toggle{display:flex}
  .nav-cta{display:none}
  .hero{padding:132px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-sub{max-width:none}
  .guarantee-grid{grid-template-columns:repeat(2,1fr)}
  .guarantee-item:nth-child(2){border-right:0}
  .guarantee-item:nth-child(1),.guarantee-item:nth-child(2){border-bottom:1px solid var(--line)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:640px){
  :root{--sec:56px;--gap:16px}
  .wrap{width:calc(100% - 32px)}
  .site-header{top:10px;width:calc(100% - 20px)}
  .nav-shell{height:56px;padding:0 8px 0 14px}
  .site-header.is-scrolled .nav-shell{height:52px}
  .brand-text{font-size:15px}
  .brand-text em{display:none}
  .hero{padding:110px 0 52px}
  .hero-tag{left:0;bottom:14px;padding:11px 14px}
  .hero-tag b{font-size:19px}
  .hero-strip{right:6px;top:-10px;font-size:12px}
  .trust-items li{flex:1 1 100%}
  .reviews{padding:40px 0;border-radius:20px}
  .review-head{flex-direction:column;align-items:flex-start}
  .review-card{flex:0 0 84%}
  .guarantee-grid{grid-template-columns:1fr}
  .guarantee-item{border-right:0;border-bottom:1px solid var(--line)}
  .guarantee-item:last-child{border-bottom:0}
  .cta-band{padding:38px 24px;border-radius:20px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .btn{padding:13px 22px;width:100%;justify-content:center}
  .hero-actions .btn{width:100%}
  .cta-inner .btn{width:100%}
  .link-arrow{width:auto}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: article */
:root{
  --ink:#121316;
  --panel:#1B1A22;
  --paper:#F7F5F0;
  --line:#E4E2DC;
  --text:#3A3D42;
  --muted:#6E7278;
  --lime:#C9F24D;
  --orange:#FF6A3D;
  --line-dark:rgba(255,255,255,.10);
  --r-sm:8px;
  --r-md:16px;
  --r-lg:20px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(18,19,22,.05),0 8px 24px rgba(18,19,22,.06);
  --shadow-2:0 6px 18px rgba(18,19,22,.10),0 18px 40px rgba(18,19,22,.08);
  --gut:24px;
  --sec:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:17px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--ink);text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.wrap{width:min(1240px,calc(100% - 32px));margin:0 auto}
.show-for-sr{position:absolute!important;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:16px;left:0;right:0;z-index:60;
  display:flex;justify-content:center;
  transition:top .3s ease;
}
.nav-shell{
  width:min(1240px,calc(100% - 32px));
  display:flex;align-items:center;gap:18px;
  padding:10px 12px 10px 18px;
  border-radius:var(--r-pill);
  background:rgba(247,245,240,.78);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--line);
  box-shadow:var(--shadow-1);
  transition:padding .3s ease,background .3s ease;
}
.site-header.is-shrink .nav-shell{padding:6px 12px 6px 18px;background:rgba(247,245,240,.94)}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  background:var(--ink);color:var(--lime);
  display:grid;place-items:center;
  font-weight:800;font-size:19px;letter-spacing:0;
  flex:0 0 auto;
}
.brand-text{font-size:18px;font-weight:800;color:var(--ink);letter-spacing:-.01em;white-space:nowrap}
.brand-text em{font-style:normal;color:var(--orange)}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  display:inline-block;
  padding:9px 14px;border-radius:var(--r-pill);
  font-size:15px;color:var(--muted);
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--ink);background:rgba(18,19,22,.06)}
.nav-link.is-active{color:var(--ink);background:rgba(18,19,22,.07);font-weight:600}
.nav-actions{display:flex;align-items:center;gap:8px;margin-left:8px}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);
  border-radius:var(--r-pill);background:transparent;cursor:pointer;
  padding:0;position:relative
}
.nav-toggle span{
  display:block;width:18px;height:2px;background:var(--ink);margin:4px auto;border-radius:2px;
  transition:transform .25s ease,opacity .25s ease
}
.site-header.is-open .nav-toggle span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.site-header.is-open .nav-toggle span:nth-child(2){opacity:0}
.site-header.is-open .nav-toggle span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);border:1.5px solid transparent;
  padding:14px 28px;font-size:16px;font-weight:600;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  text-align:center;line-height:1.2;
}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--orange);color:#FFFDF9;box-shadow:var(--shadow-1)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);color:#FFFDF9}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--paper)}
.btn-lime{background:var(--lime);color:var(--ink);border-color:var(--lime)}
.btn-lime:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn-sm{padding:10px 20px;font-size:14px}

/* ---------- breadcrumb ---------- */
.crumb-bar{padding:112px 0 0}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;letter-spacing:.06em;color:var(--muted)
}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--ink);text-decoration:underline;text-decoration-color:var(--lime);text-underline-offset:4px}
.breadcrumb .sep{color:#BFBCB4}
.breadcrumb .cur{color:var(--ink);font-weight:600}

/* ---------- article header ---------- */
.art-hero{position:relative;margin-top:22px;padding:44px 0 36px;border-radius:var(--r-lg);overflow:hidden;background:var(--panel)}
.art-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  opacity:.28;
}
.art-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(18,19,22,.94) 8%,rgba(27,26,34,.72) 62%,rgba(27,26,34,.42) 100%);
}
.art-hero-inner{position:relative;z-index:2;padding:0 40px;max-width:1000px}
.cat-chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 16px;border-radius:var(--r-pill);
  border:1px solid var(--lime);color:var(--lime);
  font-size:13px;letter-spacing:.08em;font-weight:600
}
.cat-chip i{font-size:12px}
.art-hero h1{
  margin-top:18px;
  font-size:clamp(30px,4.4vw,50px);
  font-weight:800;line-height:1.18;letter-spacing:-.02em;
  color:#FBF9F4;
}
.meta-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
  margin-top:22px;color:rgba(251,249,244,.66);
  font-size:13.5px;letter-spacing:.06em
}
.meta-bar span{display:inline-flex;align-items:center;gap:7px}
.meta-bar i{color:var(--lime);font-size:12.5px}

/* ---------- article body ---------- */
.art-main{padding:56px 0 8px}
.art-grid{display:block}
.art-body{
  max-width:760px;margin:0 auto;
  font-size:17px;line-height:1.9;color:var(--text)
}
.art-body>*+*{margin-top:20px}
.art-body h2{
  position:relative;
  margin:48px 0 16px;padding-left:16px;
  font-size:30px;font-weight:700;line-height:1.3;color:var(--ink)
}
.art-body h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:4px;background:var(--lime)
}
.art-body h3{margin:34px 0 12px;font-size:21px;font-weight:600;color:var(--ink)}
.art-body h4{margin:26px 0 10px;font-size:18px;font-weight:600;color:var(--ink)}
.art-body p{line-height:1.9}
.art-body a{
  color:var(--ink);font-weight:600;
  border-bottom:1px solid var(--lime);padding-bottom:1px
}
.art-body a:hover{background:rgba(201,242,77,.32)}
.art-body ul,.art-body ol{margin:18px 0;padding-left:0}
.art-body ul li,.art-body ol li{position:relative;padding-left:26px;margin-top:10px;line-height:1.85}
.art-body ul li::before{
  content:"";position:absolute;left:6px;top:.72em;width:8px;height:8px;border-radius:2px;background:var(--lime)
}
.art-body ol{counter-reset:li}
.art-body ol li::before{
  counter-increment:li;content:counter(li);
  position:absolute;left:0;top:.42em;
  width:20px;height:20px;border-radius:50%;
  background:var(--ink);color:var(--lime);
  font-size:12px;font-weight:700;display:grid;place-items:center;line-height:1
}
.art-body img{border-radius:12px;margin:26px auto;box-shadow:var(--shadow-1)}
.art-body figure{margin:26px 0}
.art-body figcaption{text-align:center;font-size:13.5px;color:var(--muted);letter-spacing:.04em;margin-top:10px}
.art-body blockquote{
  margin:28px 0;padding:20px 24px;
  border-left:4px solid var(--orange);
  border-radius:0 var(--r-md) var(--r-md) 0;
  background:rgba(255,106,61,.06);
  color:var(--ink);font-size:17px;line-height:1.85
}
.art-body table{
  width:100%;border-collapse:collapse;margin:26px 0;font-size:15.5px;
  border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden
}
.art-body thead{background:var(--panel);color:#FBF9F4}
.art-body th,.art-body td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line)}
.art-body tbody tr:last-child td{border-bottom:0}
.art-body tbody tr:nth-child(even){background:rgba(18,19,22,.025)}
.art-body code{
  background:rgba(18,19,22,.07);border-radius:6px;padding:2px 7px;
  font-size:15px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace
}
.art-body hr{border:0;border-top:1px solid var(--line);margin:40px 0}

/* ---------- empty state ---------- */
.empty-note{
  max-width:760px;margin:0 auto;text-align:center;
  padding:64px 28px;border:1px solid var(--line);border-radius:var(--r-lg);
  background:#FFFDF9;box-shadow:var(--shadow-1)
}
.empty-note i{font-size:34px;color:var(--orange)}
.empty-note h2{margin:18px 0 8px;font-size:24px}
.empty-note p{color:var(--muted);margin-bottom:22px}

/* ---------- footer tags & share ---------- */
.art-foot{max-width:760px;margin:56px auto 0;padding-top:28px;border-top:1px solid var(--line)}
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.tag-row .label{font-size:13.5px;letter-spacing:.06em;color:var(--muted)}
.tag{
  display:inline-block;padding:6px 15px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#FFFDF9;
  font-size:13.5px;color:var(--text);
  transition:border-color .2s ease,color .2s ease,transform .2s ease
}
.tag:hover{border-color:var(--lime);color:var(--ink);transform:translateY(-2px)}
.share-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:22px}
.share-row .label{font-size:13.5px;letter-spacing:.06em;color:var(--muted)}
.icon-btn{
  width:44px;height:44px;border-radius:50%;
  border:1px solid var(--line);background:#FFFDF9;color:var(--ink);
  display:grid;place-items:center;cursor:pointer;font-size:15px;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease
}
.icon-btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-1);background:var(--ink);color:var(--lime)}

/* ---------- sections ---------- */
.section{padding:var(--sec) 0 0}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px}
.sec-title{position:relative;padding-left:18px;font-size:clamp(24px,3vw,32px);font-weight:700;line-height:1.25}
.sec-title::before{content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:5px;border-radius:4px;background:var(--lime)}
.sec-desc{margin-top:10px;color:var(--muted);font-size:15.5px;max-width:640px}

/* ---------- related cards ---------- */
.rel-card{
  display:flex;flex-direction:column;height:100%;
  background:#FFFDF9;border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .28s ease,box-shadow .28s ease
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.rel-thumb{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--panel)}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.rel-card:hover .rel-thumb img{transform:scale(1.04)}
.rel-badge{
  position:absolute;left:12px;top:12px;
  padding:4px 12px;border-radius:var(--r-pill);
  background:var(--lime);color:var(--ink);font-size:12.5px;font-weight:700;letter-spacing:.04em
}
.rel-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-body h3{font-size:19px;font-weight:600;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-body p{font-size:15px;color:var(--muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13.5px;color:var(--muted);letter-spacing:.04em}
.rel-link{display:inline-flex;align-items:center;gap:6px;color:var(--orange);font-weight:600;font-size:14.5px}
.rel-link i{transition:transform .25s ease}
.rel-card:hover .rel-link i{transform:translateX(4px)}

/* ---------- cta band ---------- */
.cta-band{
  margin-top:var(--sec);
  background:var(--ink);color:#F4F2EC;
  border-radius:var(--r-lg);
  padding:56px 40px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
  border:1px solid var(--line-dark)
}
.cta-band h2{color:#FBF9F4;font-size:clamp(24px,3vw,32px);font-weight:700;line-height:1.3}
.cta-band p{margin-top:12px;color:rgba(244,242,236,.7);max-width:640px;font-size:15.5px}
.cta-band .btn{flex:0 0 auto}

/* ---------- footer ---------- */
.site-footer{margin-top:var(--sec);background:var(--ink);color:rgba(244,242,236,.72);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#FBF9F4;font-size:18px;font-weight:800}
.footer-brand .brand-mark{width:34px;height:34px;font-size:17px;border-radius:10px;background:#F7F5F0;color:var(--ink)}
.footer-col p{margin-top:14px;font-size:14.5px;line-height:1.8;color:rgba(244,242,236,.62)}
.footer-col h4{color:#FBF9F4;font-size:15px;font-weight:700;letter-spacing:.06em;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{color:rgba(244,242,236,.72);font-size:14.5px;transition:color .2s ease}
.footer-col ul a:hover{color:var(--lime)}
.footer-sub{display:flex;gap:8px;margin-top:16px}
.footer-sub input{
  flex:1;height:48px;min-width:0;
  border-radius:12px;border:1px solid var(--line-dark);
  background:rgba(255,255,255,.05);color:#FBF9F4;
  padding:0 14px;font-size:14.5px;outline:none;
  transition:border-color .2s ease
}
.footer-sub input::placeholder{color:rgba(244,242,236,.44)}
.footer-sub input:focus{border-color:var(--lime)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line-dark);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13.5px;color:rgba(244,242,236,.5);letter-spacing:.04em
}

/* ---------- responsive ---------- */
@media screen and (max-width:1023px){
  :root{--sec:72px}
  .nav-menu{display:none}
  .nav-toggle{display:block}
  .site-header.is-open .nav-menu{
    display:flex;flex-direction:column;align-items:stretch;gap:4px;
    position:absolute;top:calc(100% + 10px);left:0;right:0;
    padding:14px;border-radius:var(--r-lg);
    background:rgba(247,245,240,.98);
    border:1px solid var(--line);box-shadow:var(--shadow-2)
  }
  .nav-shell{position:relative}
  .nav-link{padding:13px 16px;font-size:15.5px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .art-hero-inner{padding:0 28px}
}
@media screen and (max-width:768px){
  :root{--sec:64px;--gut:20px}
  body{font-size:16px}
  .crumb-bar{padding-top:104px}
  .art-hero{padding:32px 0 26px}
  .art-body h2{font-size:25px;margin-top:40px}
  .art-body h3{font-size:19px}
  .cta-band{padding:40px 24px}
  .footer-grid{grid-template-columns:1fr}
}
@media screen and (max-width:520px){
  :root{--sec:56px;--gut:16px}
  .wrap{width:calc(100% - 28px)}
  .brand-text{font-size:16px}
  .art-hero-inner{padding:0 20px}
  .art-hero h1{font-size:26px}
  .meta-bar{font-size:12.5px;gap:8px 14px}
  .art-body h2{font-size:22px}
  .btn{padding:13px 22px;font-size:15px}
  .nav-cta{display:none}
  .footer-sub{flex-wrap:wrap}
  .footer-sub input{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
}

/* roulang page: category1 */
:root{
  --ink:#121316;
  --panel:#1B1A22;
  --paper:#F7F5F0;
  --line:#E4E2DC;
  --text:#3A3D42;
  --muted:#6E7278;
  --lime:#C9F24D;
  --orange:#FF6A3D;
  --r-sm:8px;
  --r-md:16px;
  --r-lg:20px;
  --r-pill:999px;
  --s-1:8px; --s-2:16px; --s-3:24px; --s-4:32px; --s-5:48px; --s-6:64px; --s-7:96px;
  --shadow-1:0 1px 2px rgba(18,19,22,.05),0 8px 24px rgba(18,19,22,.06);
  --shadow-2:0 6px 18px rgba(18,19,22,.10),0 18px 40px rgba(18,19,22,.08);
  --wrap:1240px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  padding:96px 0 0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--ink);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--ink)}
button{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:var(--r-sm)}
.show-for-sr{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}
.section{padding:var(--s-7) 0}
.section--tight{padding:var(--s-6) 0}
.section--paper{background:var(--paper)}
.section--mist{background:#F1EEE7}
.section--dark{background:var(--ink);color:#EDEBE6}
.section--panel{background:var(--panel);color:#EDEBE6}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:14px 28px;border:0;border-radius:var(--r-pill);
  font-size:16px;font-weight:600;letter-spacing:.01em;cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease,color .22s ease,border-color .22s ease;
}
.btn-sm{min-height:40px;padding:10px 20px;font-size:15px}
.btn-primary{background:var(--orange);color:#FFF8F4;box-shadow:0 4px 14px rgba(255,106,61,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);color:#FFF8F4}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--paper)}
.btn-lime{background:var(--lime);color:var(--ink)}
.btn-lime:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(201,242,77,.32);color:var(--ink)}
.btn-block{width:100%}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--ink);border-bottom:1px solid transparent}
.link-arrow i{transition:transform .22s ease}
.link-arrow:hover i{transform:translateX(4px)}
.link-arrow:hover{color:var(--orange)}

/* ---------- 悬浮胶囊导航 ---------- */
.site-header{
  position:fixed;top:16px;left:0;right:0;z-index:120;
  width:min(1240px,calc(100% - 32px));margin:0 auto;
  transition:top .25s ease;
}
.nav-shell{
  display:flex;align-items:center;gap:18px;
  height:64px;padding:0 12px 0 18px;
  border:1px solid var(--line);border-radius:var(--r-pill);
  background:rgba(247,245,240,.78);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  box-shadow:var(--shadow-1);
  transition:height .25s ease,background-color .25s ease,box-shadow .25s ease;
}
.site-header.is-shrunk .nav-shell{height:52px;background:rgba(247,245,240,.94);box-shadow:var(--shadow-2)}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:12px;
  background:var(--ink);color:var(--lime);
  display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:800;letter-spacing:0;
}
.brand-text{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:.01em}
.brand-text em{font-style:normal;color:var(--muted);font-weight:600;margin-left:2px;font-size:15px}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:40px;padding:0 14px;
  border-radius:var(--r-pill);font-size:15px;font-weight:500;color:var(--muted);
  transition:background-color .2s ease,color .2s ease;
}
.nav-link:hover{background:rgba(18,19,22,.06);color:var(--ink)}
.nav-link.is-active{background:var(--ink);color:var(--paper);font-weight:600}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-pill);
  background:transparent;cursor:pointer;padding:0;align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s ease,opacity .2s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- 面包屑 + 首页横幅 ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;letter-spacing:.02em;color:var(--muted)}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--ink)}
.crumb i{font-size:11px;opacity:.6}
.crumb .current{color:var(--ink);font-weight:600}

.page-hero{position:relative;padding:56px 0 0}
.hero-card{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background:var(--ink);color:#EFEDE8;
  border:1px solid rgba(255,255,255,.10);
}
.hero-card::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  opacity:.34;
}
.hero-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(18,19,22,.94) 12%,rgba(18,19,22,.55) 58%,rgba(27,26,34,.35) 100%);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:center;padding:56px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(201,242,77,.14);border:1px solid rgba(201,242,77,.5);
  color:var(--lime);font-size:13px;font-weight:600;letter-spacing:.08em;
}
.hero-title{
  margin:18px 0 0;
  font-size:clamp(32px,4.6vw,56px);
  font-weight:800;letter-spacing:-.02em;line-height:1.15;color:#FDFCF8;
}
.hero-lead{margin:20px 0 0;max-width:36em;font-size:17px;line-height:1.85;color:#D7D4CC}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-marks{display:flex;flex-wrap:wrap;gap:18px;margin-top:28px;font-size:14px;color:#B9B6AE}
.hero-marks span{display:inline-flex;align-items:center;gap:8px}
.hero-marks i{color:var(--lime)}
.hero-side{position:relative}
.hero-side .side-frame{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid rgba(255,255,255,.16);
  aspect-ratio:4/3;background:#1B1A22;
}
.hero-side .side-frame img{width:100%;height:100%;object-fit:cover;opacity:.92}
.hero-side .side-badge{
  position:absolute;left:-14px;bottom:22px;z-index:3;
  padding:10px 18px;border-radius:var(--r-pill);
  background:var(--lime);color:var(--ink);font-size:14px;font-weight:700;
  box-shadow:var(--shadow-1);
}
.hero-side .side-line{
  position:absolute;right:-10px;top:-14px;width:120px;height:6px;border-radius:var(--r-pill);
  background:var(--orange);transform:rotate(-14deg);opacity:.9;
}

/* ---------- 说明条 ---------- */
.intro-strip{
  margin-top:32px;display:grid;grid-template-columns:auto 1fr;gap:22px;align-items:start;
  padding:26px 30px;border-radius:var(--r-lg);
  background:#FFFDF8;border:1px solid var(--line);box-shadow:var(--shadow-1);
}
.intro-strip .strip-bar{width:40px;height:100%;min-height:56px;border-left:4px solid var(--lime);border-radius:4px}
.intro-strip p{font-size:16.5px;color:var(--text);max-width:76ch}
.intro-strip p + p{margin-top:10px}

/* ---------- 锚点 + 长条卡布局 ---------- */
.entry-wrap{display:grid;grid-template-columns:252px 1fr;gap:40px;align-items:start}
.anchor-rail{position:sticky;top:104px;align-self:start}
.anchor-card{
  padding:22px;border-radius:var(--r-lg);background:#FFFDF8;border:1px solid var(--line);box-shadow:var(--shadow-1);
}
.anchor-card h4{font-size:14px;letter-spacing:.08em;color:var(--muted);font-weight:600}
.anchor-list{margin-top:14px;display:flex;flex-direction:column;gap:2px}
.anchor-list a{
  display:flex;align-items:center;gap:10px;min-height:44px;padding:10px 12px;border-radius:var(--r-sm);
  font-size:15px;color:var(--text);transition:background-color .2s ease,color .2s ease,padding-left .2s ease;
}
.anchor-list a span.dot{width:6px;height:6px;border-radius:50%;background:var(--line);flex:0 0 6px;transition:background-color .2s ease}
.anchor-list a:hover{background:rgba(18,19,22,.05);color:var(--ink);padding-left:16px}
.anchor-list a:hover span.dot{background:var(--orange)}
.anchor-stats{margin-top:20px;padding-top:18px;border-top:1px solid var(--line);display:grid;gap:14px}
.anchor-stats .st b{display:block;font-size:24px;font-weight:800;color:var(--ink);letter-spacing:-.01em;line-height:1.2}
.anchor-stats .st small{font-size:13px;color:var(--muted);letter-spacing:.04em}

.entry-group + .entry-group{margin-top:56px}
.group-head{display:flex;align-items:flex-start;gap:14px;margin-bottom:22px}
.group-head .bar{width:4px;min-height:30px;border-radius:4px;background:var(--lime);margin-top:6px}
.group-head h2{font-size:clamp(24px,2.6vw,30px);font-weight:700;line-height:1.25;letter-spacing:-.01em;color:var(--ink)}
.group-head p{margin-top:8px;font-size:15.5px;color:var(--muted);max-width:66ch}

.entry-card{
  display:grid;grid-template-columns:280px 1fr;gap:26px;align-items:center;
  padding:20px;border-radius:var(--r-lg);background:#FFFDF8;border:1px solid var(--line);
  box-shadow:var(--shadow-1);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.entry-card + .entry-card{margin-top:18px}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#D8D5CC}
.entry-media{border-radius:var(--r-md);overflow:hidden;aspect-ratio:4/3;background:#EFEDE6}
.entry-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.entry-card:hover .entry-media img{transform:scale(1.04)}
.entry-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;letter-spacing:.02em;background:#F1EEE7;color:var(--muted);border:1px solid var(--line);
}
.tag-lime{background:transparent;border-color:var(--lime);color:#5C6B22}
.tag-solid{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.tag-orange{background:rgba(255,106,61,.12);border-color:rgba(255,106,61,.4);color:#C6421A}
.entry-body h3{font-size:21px;font-weight:600;color:var(--ink);line-height:1.35}
.entry-body p{margin-top:10px;font-size:16px;color:var(--text);max-width:64ch}
.entry-foot{margin-top:16px;display:flex;align-items:center;gap:20px;flex-wrap:wrap}

/* ---------- 卖点 ---------- */
.adv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:36px}
.adv-card{
  padding:28px 26px;border-radius:var(--r-lg);background:#FFFDF8;border:1px solid var(--line);
  transition:transform .25s ease,box-shadow .25s ease;
}
.adv-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.adv-icon{
  width:46px;height:46px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:rgba(201,242,77,.22);border:1px solid rgba(201,242,77,.6);color:#4D5A18;font-size:18px;
}
.adv-card h3{margin-top:18px;font-size:19px;font-weight:600;color:var(--ink)}
.adv-card p{margin-top:10px;font-size:15.5px;color:var(--muted)}

/* ---------- 流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:40px;counter-reset:flow}
.flow-step{position:relative;padding-top:26px}
.flow-step::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;border-radius:3px;background:var(--line)}
.flow-step.on::before{background:var(--lime)}
.flow-num{
  display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;
  background:var(--ink);color:var(--lime);font-size:14px;font-weight:700;
}
.flow-step h3{margin-top:14px;font-size:18px;font-weight:600;color:var(--ink)}
.flow-step p{margin-top:8px;font-size:15px;color:var(--muted)}

/* ---------- 适用场景 ---------- */
.scene-row{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:36px}
.scene-item{
  display:flex;gap:18px;padding:24px;border-radius:var(--r-lg);
  background:#FFFDF8;border:1px solid var(--line);
}
.scene-item i{flex:0 0 auto;width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:#F1EEE7;color:var(--ink)}
.scene-item h3{font-size:18px;font-weight:600;color:var(--ink)}
.scene-item p{margin-top:8px;font-size:15.5px;color:var(--muted)}

/* ---------- 数据条 ---------- */
.metrics{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
  padding:32px;border-radius:var(--r-lg);background:var(--panel);color:#EDEBE6;
  border:1px solid rgba(255,255,255,.10);
}
.metrics .m b{display:block;font-size:clamp(28px,3.4vw,40px);font-weight:800;letter-spacing:-.02em;color:var(--lime);line-height:1.1}
.metrics .m span{display:block;margin-top:8px;font-size:15px;color:#B9B6AE}
.metrics .m + .m{border-left:1px solid rgba(255,255,255,.10);padding-left:24px}

/* ---------- FAQ ---------- */
.faq-list{margin-top:36px;display:grid;gap:14px}
.faq-item{border:1px solid var(--line);border-radius:var(--r-md);background:#FFFDF8;overflow:hidden}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 24px;font-size:17px;font-weight:600;color:var(--ink);min-height:44px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .ic{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-size:15px;color:var(--ink);
  transition:transform .25s ease,background-color .25s ease,border-color .25s ease;
}
.faq-item[open] summary .ic{transform:rotate(45deg);background:var(--lime);border-color:var(--lime)}
.faq-body{padding:0 24px 24px;font-size:16px;line-height:1.8;color:var(--muted)}
.faq-item:hover{border-color:#D8D5CC}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);background:var(--ink);color:#EFEDE8;
  padding:56px;display:grid;grid-template-columns:1.4fr auto;gap:36px;align-items:center;
  border:1px solid rgba(255,255,255,.10);
}
.cta-band::before{
  content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-3.png') center/cover no-repeat;opacity:.16;
}
.cta-band > *{position:relative;z-index:2}
.cta-band h2{font-size:clamp(26px,3vw,38px);font-weight:800;line-height:1.25;letter-spacing:-.02em;color:#FDFCF8}
.cta-band p{margin-top:14px;color:#C9C6BE;max-width:56ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#B9B6AE;padding:72px 0 28px;margin-top:96px}
.site-footer .wrap{max-width:var(--wrap)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#FDFCF8;font-size:17px;font-weight:700}
.site-footer h4{font-size:15px;font-weight:600;color:#FDFCF8;letter-spacing:.02em}
.site-footer .footer-col p{margin-top:16px;font-size:15px;line-height:1.8;color:#9C9A93;max-width:34ch}
.site-footer .footer-col ul{margin-top:16px;display:grid;gap:10px}
.site-footer .footer-col ul a{font-size:15px;color:#B9B6AE}
.site-footer .footer-col ul a:hover{color:var(--lime)}
.footer-sub{margin-top:16px;display:flex;gap:10px;flex-wrap:wrap}
.footer-sub input{
  flex:1 1 160px;height:48px;padding:0 16px;border-radius:12px;
  border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.06);color:#FDFCF8;font-size:15px;
  transition:border-color .2s ease;
}
.footer-sub input::placeholder{color:#82807A}
.footer-sub input:focus{outline:none;border-color:var(--lime)}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:14px;color:#82807A;
}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(12px)}
.reveal.is-in{opacity:1;transform:none;transition:opacity .4s ease-out,transform .4s ease-out}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  body{padding-top:88px}
  .section{padding:72px 0}
  .hero-inner{grid-template-columns:1fr;gap:32px;padding:40px}
  .entry-wrap{grid-template-columns:1fr;gap:28px}
  .anchor-rail{position:static}
  .anchor-list{flex-direction:row;flex-wrap:wrap;gap:8px}
  .anchor-list a{background:#F4F1EA;border:1px solid var(--line);flex:1 1 auto;justify-content:center}
  .anchor-stats{grid-template-columns:repeat(3,1fr);display:grid}
  .adv-grid{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:repeat(2,1fr)}
  .cta-band{grid-template-columns:1fr;padding:40px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .nav-menu{display:none}
  .nav-menu.is-open{
    display:flex;flex-direction:column;align-items:stretch;gap:6px;
    position:absolute;top:78px;left:0;right:0;padding:16px;
    background:rgba(247,245,240,.98);border:1px solid var(--line);border-radius:var(--r-lg);
    box-shadow:var(--shadow-2);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  }
  .nav-menu.is-open .nav-link{height:46px;justify-content:flex-start;font-size:16px}
  .nav-toggle{display:flex}
}
@media (max-width:640px){
  body{padding-top:80px;font-size:16px}
  .wrap{padding:0 16px}
  .section{padding:56px 0}
  .nav-shell{height:56px;padding:0 8px 0 12px;gap:10px}
  .brand-text{font-size:15px}
  .brand-text em{font-size:13px}
  .nav-cta{display:none}
  .hero-inner{padding:28px 20px}
  .hero-card{border-radius:var(--r-md)}
  .hero-side .side-badge{left:8px}
  .intro-strip{grid-template-columns:1fr;padding:22px}
  .intro-strip .strip-bar{width:100%;min-height:0;height:4px;border-left:0;border-top:4px solid var(--lime)}
  .entry-card{grid-template-columns:1fr;gap:18px;padding:16px}
  .entry-body h3{font-size:19px}
  .entry-media{aspect-ratio:16/10}
  .adv-grid{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr;gap:20px}
  .scene-row{grid-template-columns:1fr}
  .metrics{grid-template-columns:1fr;padding:24px;gap:20px}
  .metrics .m + .m{border-left:0;border-top:1px solid rgba(255,255,255,.10);padding-left:0;padding-top:18px}
  .faq-item summary{padding:18px;font-size:16px}
  .faq-body{padding:0 18px 20px}
  .cta-band{padding:28px 20px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
  .anchor-list a{flex:1 1 100%}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category2 */
:root{
  --ink:#121316;
  --panel:#1B1A22;
  --paper:#F7F5F0;
  --line:#E4E2DC;
  --text:#3A3D42;
  --muted:#6E7278;
  --lime:#C9F24D;
  --orange:#FF6A3D;
  --r-sm:8px;
  --r-md:16px;
  --r-lg:20px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(18,19,22,.05),0 8px 24px rgba(18,19,22,.06);
  --shadow-2:0 6px 18px rgba(18,19,22,.10),0 18px 40px rgba(18,19,22,.08);
  --gutter:24px;
  --section:96px;
}
*,*::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","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.01em}
ul,ol{margin:0;padding:0}
p{margin:0}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
::selection{background:var(--lime);color:var(--ink)}

.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 16px}
.section{padding:var(--section) 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.sec-label{display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--muted);margin-bottom:12px}
.sec-label::before{content:"";width:26px;height:2px;border-radius:2px;background:var(--lime)}
.sec-title{font-size:clamp(26px,3vw,34px);font-weight:700;line-height:1.25}
.sec-desc{font-size:15.5px;color:var(--muted);max-width:640px;line-height:1.8}

/* 悬浮胶囊导航 */
.site-header{position:fixed;top:0;left:0;right:0;z-index:120;padding:16px 0 0}
.nav-shell{
  position:relative;
  width:min(1240px,calc(100% - 32px));
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:12px;
  padding:10px 12px 10px 16px;
  background:rgba(247,245,240,.78);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  box-shadow:var(--shadow-1);
  transition:padding .3s ease,background .3s ease,box-shadow .3s ease;
}
.site-header.is-scrolled .nav-shell{padding:6px 12px 6px 16px;background:rgba(247,245,240,.94);box-shadow:var(--shadow-2)}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:36px;height:36px;border-radius:12px;
  background:var(--ink);color:var(--lime);
  display:grid;place-items:center;
  font-weight:800;font-size:17px;line-height:1;
  transition:transform .25s ease;
}
.brand:hover .brand-mark{transform:rotate(-6deg)}
.brand-text{font-weight:800;font-size:17px;color:var(--ink);white-space:nowrap;letter-spacing:-.01em}
.brand-text em{font-style:normal;font-weight:600;color:var(--muted);margin-left:2px}
.nav-menu{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{
  padding:9px 14px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;color:var(--text);white-space:nowrap;
  transition:background .2s ease,color .2s ease;
}
.nav-link:hover{background:rgba(18,19,22,.06);color:var(--ink)}
.nav-link.is-active{background:var(--ink);color:var(--paper)}
.nav-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .25s ease,opacity .25s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);padding:14px 28px;
  font-size:15px;font-weight:700;line-height:1;
  border:1.5px solid transparent;cursor:pointer;text-align:center;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
}
.btn-primary{background:var(--orange);color:#FFF6F2}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--paper);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-outline-light{background:transparent;border-color:rgba(247,245,240,.42);color:var(--paper)}
.btn-outline-light:hover{background:rgba(247,245,240,.14);border-color:var(--paper);transform:translateY(-2px)}
.btn-outline-light:active{transform:translateY(0)}
.btn-lime{background:var(--lime);color:var(--ink)}
.btn-lime:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(201,242,77,.28)}
.btn-lime:active{transform:translateY(0)}
.btn-sm{padding:11px 20px;font-size:14px}

/* Hero */
.hero{
  position:relative;
  background:var(--ink) url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
  border-radius:0 0 28px 28px;
  overflow:hidden;
  padding:148px 0 76px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(104deg,rgba(18,19,22,.95) 0%,rgba(18,19,22,.82) 46%,rgba(18,19,22,.52) 100%);
}
.hero-inner{position:relative;z-index:1}
.crumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13.5px;letter-spacing:.06em;color:rgba(247,245,240,.62);margin-bottom:20px}
.crumb a:hover{color:var(--lime)}
.crumb .sep{opacity:.45}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 15px;border-radius:var(--r-pill);
  background:rgba(201,242,77,.14);border:1px solid rgba(201,242,77,.42);
  color:var(--lime);font-size:13px;font-weight:700;letter-spacing:.08em;
  margin-bottom:20px;
}
.hero-title{
  color:var(--paper);
  font-size:clamp(32px,4.6vw,56px);
  font-weight:800;letter-spacing:-.02em;line-height:1.15;
  max-width:16em;margin-bottom:20px;
}
.hero-sub{color:rgba(247,245,240,.76);font-size:17px;line-height:1.8;max-width:620px;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px}
.hero-tags{list-style:none;display:flex;flex-wrap:wrap;gap:10px 26px}
.hero-tags li{position:relative;padding-left:16px;font-size:14px;color:rgba(247,245,240,.72);letter-spacing:.04em}
.hero-tags li::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:7px;height:7px;border-radius:50%;background:var(--lime)}

/* 题材筛选条 */
.filter-bar{
  display:flex;align-items:center;flex-wrap:wrap;gap:10px;
  padding:20px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--shadow-1);
}
.filter-title{font-size:14px;font-weight:700;color:var(--ink);letter-spacing:.04em;margin-right:6px}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:9px 17px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--paper);
  font-size:14px;font-weight:600;color:var(--text);
  transition:transform .2s ease,border-color .2s ease,background .2s ease,color .2s ease;
}
.chip:hover{border-color:var(--ink);transform:translateY(-2px);color:var(--ink)}
.chip.is-on{background:var(--ink);border-color:var(--ink);color:var(--paper)}

/* 主区栅格 */
.main-grid{margin-left:-12px;margin-right:-12px}
.main-grid>.cell{margin-left:0;margin-right:0;padding-left:12px;padding-right:12px}

.game-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.game-card{
  display:flex;flex-direction:column;height:100%;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .3s ease,box-shadow .3s ease;
}
.game-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:#E9E7E0}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.game-card:hover .card-media img{transform:scale(1.04)}
.card-tag{
  position:absolute;left:12px;top:12px;
  background:var(--lime);color:var(--ink);
  font-size:12px;font-weight:700;letter-spacing:.04em;
  padding:5px 11px;border-radius:var(--r-pill);
}
.card-hot{
  position:absolute;right:12px;top:12px;
  background:var(--orange);color:#FFF6F2;
  font-size:12px;font-weight:700;letter-spacing:.04em;
  padding:5px 11px;border-radius:var(--r-pill);
}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:20px;font-weight:700;line-height:1.35}
.card-body p{
  font-size:14.5px;line-height:1.7;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{
  margin-top:auto;padding-top:12px;border-top:1px dashed var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--muted);letter-spacing:.04em;
}
.card-link{display:inline-flex;align-items:center;gap:5px;font-weight:700;color:var(--ink);font-size:14px}
.card-link .arw{transition:transform .25s ease}
.game-card:hover .card-link .arw{transform:translateX(4px)}

/* 侧栏 */
.side-col{display:flex;flex-direction:column;gap:20px;margin-top:24px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--shadow-1)}
.side-card h3{font-size:17px;font-weight:700;margin-bottom:16px}
.side-card.dark{background:var(--panel);border-color:rgba(255,255,255,.10);color:rgba(247,245,240,.8)}
.side-card.dark h3{color:var(--paper)}
.side-card.dark .hot-list a{color:rgba(247,245,240,.84)}
.side-card.dark .hot-list a:hover{background:rgba(255,255,255,.08);color:var(--lime)}
.side-card.dark .side-note{color:rgba(247,245,240,.55);border-top-color:rgba(255,255,255,.10)}
.stat-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;text-align:center}
.stat-item{padding:14px 6px;border-radius:var(--r-sm);background:var(--paper);border:1px solid var(--line)}
.side-card.dark .stat-item{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.10)}
.stat-num{display:block;font-size:24px;font-weight:800;color:var(--ink);line-height:1.2;font-variant-numeric:tabular-nums}
.side-card.dark .stat-num{color:var(--lime)}
.stat-num small{font-size:13px;font-weight:700;margin-left:2px}
.stat-label{display:block;font-size:12.5px;color:var(--muted);letter-spacing:.04em;margin-top:4px}
.side-card.dark .stat-label{color:rgba(247,245,240,.55)}
.hot-list{list-style:none;display:flex;flex-direction:column;gap:2px}
.hot-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 12px;border-radius:12px;font-size:15px;font-weight:600;
  transition:background .2s ease,color .2s ease,padding-left .2s ease;
}
.hot-list a:hover{background:rgba(18,19,22,.05);padding-left:16px;color:var(--ink)}
.hot-list .rank{font-size:13px;font-weight:800;color:var(--muted);margin-right:10px;font-variant-numeric:tabular-nums}
.hot-list .item-main{display:flex;align-items:center;min-width:0}
.hot-list .item-meta{font-size:13px;color:var(--muted);white-space:nowrap}
.side-note{margin-top:16px;padding-top:16px;border-top:1px dashed var(--line);font-size:13.5px;line-height:1.7;color:var(--muted)}

/* 三步流程 */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.step{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);padding:28px 24px 26px;box-shadow:var(--shadow-1);
  transition:transform .3s ease,box-shadow .3s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.step-num{
  width:42px;height:42px;border-radius:13px;background:var(--lime);color:var(--ink);
  display:grid;place-items:center;font-weight:800;font-size:16px;margin-bottom:18px;
}
.step h3{font-size:20px;font-weight:700;margin-bottom:10px}
.step p{font-size:14.5px;line-height:1.8;color:var(--muted)}

/* 深色 CTA 条 */
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  background:var(--ink);color:var(--paper);
  border:1px solid rgba(255,255,255,.10);
  border-radius:24px;padding:48px;
}
.cta-band h2{color:var(--paper);font-size:clamp(24px,2.8vw,32px);font-weight:700;line-height:1.3;margin-bottom:12px}
.cta-band p{color:rgba(247,245,240,.7);font-size:15.5px;line-height:1.8;max-width:560px}
.cta-copy{flex:1 1 380px}

/* FAQ */
.faq{display:flex;flex-direction:column;gap:12px;max-width:920px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item.is-open{border-color:var(--ink);box-shadow:var(--shadow-1)}
.faq-q{
  width:100%;background:none;border:0;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;font-size:17px;font-weight:600;color:var(--ink);text-align:left;
  min-height:44px;
}
.faq-icon{
  flex:0 0 auto;width:30px;height:30px;border-radius:var(--r-pill);
  background:var(--paper);border:1px solid var(--line);
  display:grid;place-items:center;font-size:17px;font-weight:700;line-height:1;
  transition:transform .3s ease,background .3s ease,border-color .3s ease;
}
.faq-item.is-open .faq-icon{background:var(--lime);border-color:var(--lime);transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a-inner{padding:0 22px 22px;font-size:15.5px;line-height:1.8;color:var(--muted)}

/* 页脚 */
.site-footer{background:var(--ink);color:rgba(247,245,240,.7);padding:64px 0 28px;margin-top:var(--section)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;color:var(--paper);font-size:17px;font-weight:800;margin-bottom:14px}
.site-footer .brand-mark{background:rgba(255,255,255,.10);color:var(--lime)}
.footer-col p{font-size:14.5px;line-height:1.8;color:rgba(247,245,240,.62);max-width:340px}
.site-footer h4{color:var(--paper);font-size:15px;font-weight:700;margin-bottom:16px;letter-spacing:.06em}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer-col ul a{font-size:14.5px;color:rgba(247,245,240,.7);transition:color .2s ease,padding-left .2s ease}
.footer-col ul a:hover{color:var(--lime);padding-left:4px}
.footer-sub{display:flex;gap:8px;margin-top:14px}
.footer-sub input{
  flex:1;height:48px;border-radius:12px;padding:0 14px;
  border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.06);
  color:var(--paper);font-size:14.5px;transition:border-color .2s ease;
}
.footer-sub input::placeholder{color:rgba(247,245,240,.4)}
.footer-sub input:focus{outline:none;border-color:var(--lime)}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(247,245,240,.5);letter-spacing:.04em;
}

/* 入场动效 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .4s ease-out,transform .4s ease-out}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* 响应式 */
@media (max-width:1023px){
  :root{--section:72px}
  .nav-toggle{display:flex}
  .nav-menu{
    display:none;position:absolute;top:calc(100% + 10px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;margin-left:0;
    padding:10px;border:1px solid var(--line);border-radius:22px;
    background:rgba(247,245,240,.98);
    -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
    box-shadow:var(--shadow-2);
  }
  .nav-menu.is-open{display:flex}
  .nav-link{padding:13px 16px;font-size:16px}
  .hero{padding:132px 0 64px}
  .game-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
  .steps{grid-template-columns:1fr;gap:18px}
  .cta-band{padding:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  .sec-head{margin-bottom:24px}
  .footer-grid{grid-template-columns:1fr}
  .cta-band{padding:30px 24px}
}
@media (max-width:639px){
  :root{--section:56px}
  body{font-size:15.5px}
  .hero{border-radius:0 0 20px 20px;padding:120px 0 56px}
  .hero-sub{font-size:15.5px}
  .hero-actions .btn{width:100%}
  .game-grid{grid-template-columns:1fr}
  .stat-row{grid-template-columns:repeat(3,minmax(0,1fr))}
  .stat-num{font-size:20px}
  .filter-bar{padding:16px}
  .side-card{padding:20px}
  .faq-q{font-size:15.5px;padding:17px 18px}
  .faq-a-inner{padding:0 18px 18px}
  .footer-sub{flex-wrap:wrap}
  .footer-sub .btn{width:100%}
}

/* roulang page: category3 */
:root{
  --ink:#121316;
  --panel:#1B1A22;
  --paper:#F7F5F0;
  --card:#FFFFFF;
  --line:#E4E2DC;
  --line-dark:rgba(255,255,255,.10);
  --text:#3A3D42;
  --muted:#6E7278;
  --lime:#C9F24D;
  --orange:#FF6A3D;
  --r-sm:8px;
  --r-md:16px;
  --r-lg:20px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(18,19,22,.05),0 8px 24px rgba(18,19,22,.06);
  --shadow-2:0 6px 18px rgba(18,19,22,.10),0 18px 40px rgba(18,19,22,.08);
  --sec-y:96px;
  --gutter:24px;
}
*,*::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","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  font-weight:400;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;border-radius:var(--r-md)}
a{color:inherit;text-decoration:none;background:transparent}
a:hover{color:inherit}
button,input,select,textarea{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.25;letter-spacing:-.01em}
h1{font-size:clamp(32px,4.6vw,56px);font-weight:800;line-height:1.15;letter-spacing:-.02em}
h2{font-size:clamp(24px,2.6vw,34px);font-weight:700}
h3{font-size:20px;font-weight:600;line-height:1.4}
h4{font-size:16px;font-weight:600}
p{margin:0 0 14px}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
strong{color:var(--ink)}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px}
.wrap{width:min(1240px,100% - 40px);margin:0 auto}
.sec{padding:var(--sec-y) 0}
.sec.tight{padding-top:0}

/* ---------- 顶部胶囊导航 ---------- */
.site-header{
  position:fixed;
  top:16px;left:0;right:0;
  z-index:80;
}
.nav-shell{
  position:relative;
  width:min(1240px,calc(100% - 32px));
  margin:0 auto;
  height:64px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:0 12px 0 18px;
  background:rgba(247,245,240,.78);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  box-shadow:var(--shadow-1);
  transition:height .32s ease, background-color .32s ease, box-shadow .32s ease;
}
.site-header.is-scrolled .nav-shell{
  height:52px;
  background:rgba(247,245,240,.92);
  box-shadow:var(--shadow-2);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;
  display:grid;place-items:center;
  border-radius:12px;
  background:var(--ink);
  color:var(--lime);
  font-weight:800;font-size:17px;
  letter-spacing:0;
}
.brand-text{font-weight:700;font-size:17px;color:var(--ink);letter-spacing:-.01em;white-space:nowrap}
.brand-text em{font-style:normal;color:var(--muted);font-weight:600}
.nav-menu{display:flex;align-items:center;gap:4px;flex:1 1 auto;justify-content:center}
.nav-link{
  display:inline-flex;align-items:center;
  min-height:40px;
  padding:0 14px;
  border-radius:var(--r-pill);
  font-size:15px;
  color:var(--text);
  transition:background-color .2s ease,color .2s ease;
  white-space:nowrap;
}
.nav-link:hover{background:rgba(18,19,22,.06);color:var(--ink)}
.nav-link.is-active{background:var(--ink);color:var(--paper)}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:transparent;
  cursor:pointer;
  padding:0;
  position:relative;
}
.nav-toggle span{
  position:absolute;left:50%;width:18px;height:2px;
  background:var(--ink);border-radius:2px;
  transform:translateX(-50%);
  transition:transform .28s ease,opacity .28s ease;
}
.nav-toggle span:nth-child(1){top:15px}
.nav-toggle span:nth-child(2){top:21px}
.nav-toggle span:nth-child(3){top:27px}
.nav-toggle.is-open span:nth-child(1){transform:translateX(-50%) translateY(6px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateX(-50%) translateY(-6px) rotate(-45deg)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:12px 26px;
  border-radius:var(--r-pill);
  border:1.5px solid transparent;
  font-size:15.5px;
  font-weight:600;
  cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease,color .22s ease,border-color .22s ease;
  text-align:center;
  line-height:1.2;
}
.btn:active{transform:translateY(0)}
.btn-sm{min-height:40px;padding:9px 20px;font-size:14.5px}
.btn-primary{background:var(--orange);color:#FFF9F5;box-shadow:var(--shadow-1)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);color:#FFF9F5}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--paper);transform:translateY(-2px)}
.btn-lime{background:var(--lime);color:var(--ink);box-shadow:var(--shadow-1)}
.btn-lime:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);color:var(--ink)}
.btn-line{background:transparent;border-color:rgba(255,255,255,.35);color:var(--paper)}
.btn-line:hover{background:rgba(255,255,255,.12);transform:translateY(-2px);color:var(--paper)}

/* ---------- 页面横幅 ---------- */
.page-banner{
  position:relative;
  padding:150px 0 76px;
  background:var(--ink);
  color:rgba(247,245,240,.86);
  overflow:hidden;
}
.banner-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  opacity:.20;
}
.banner-glow{
  position:absolute;
  width:420px;height:420px;
  right:-120px;top:-140px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(201,242,77,.22),rgba(201,242,77,0) 68%);
  pointer-events:none;
}
.page-banner .wrap{position:relative;z-index:2}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;letter-spacing:.06em;
  color:rgba(247,245,240,.62);
  margin-bottom:22px;
}
.crumb a{color:rgba(247,245,240,.78)}
.crumb a:hover{color:var(--lime)}
.crumb .sep{opacity:.45}
.banner-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 16px;
  border-radius:var(--r-pill);
  border:1px solid rgba(201,242,77,.55);
  color:var(--lime);
  font-size:13.5px;
  letter-spacing:.06em;
  margin-bottom:20px;
}
.banner-badge i{font-size:12px}
.page-banner h1{color:#FBF9F4;max-width:20em}
.banner-lead{
  margin-top:20px;
  max-width:62ch;
  font-size:17px;
  line-height:1.9;
  color:rgba(247,245,240,.78);
}
.banner-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.banner-stats{
  display:flex;flex-wrap:wrap;gap:14px 38px;
  margin-top:36px;padding-top:26px;
  border-top:1px solid var(--line-dark);
}
.banner-stats div{font-size:14px;color:rgba(247,245,240,.66);letter-spacing:.04em}
.banner-stats b{display:block;font-size:22px;color:var(--lime);font-weight:800;letter-spacing:0;margin-bottom:2px}

/* ---------- 区块标题 ---------- */
.sec-head{max-width:760px;margin-bottom:48px;position:relative;padding-left:22px}
.sec-head::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;
  border-radius:3px;background:var(--lime);
}
.sec-kicker{
  display:inline-block;
  font-size:13px;letter-spacing:.12em;
  color:var(--muted);
  text-transform:uppercase;
  margin-bottom:10px;
}
.sec-sub{margin-top:12px;color:var(--muted);font-size:16px;max-width:62ch}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;margin:0}
.tl-item{
  position:relative;
  display:grid;
  grid-template-columns:76px minmax(0,1fr);
  gap:26px;
  padding-bottom:30px;
}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";
  position:absolute;
  left:37px;top:84px;bottom:-2px;
  width:2px;
  background:linear-gradient(180deg,var(--line),rgba(228,226,220,.2));
}
.tl-item:last-child::before{display:none}
.tl-num{
  width:76px;height:76px;
  display:grid;place-items:center;
  border-radius:26px;
  background:var(--ink);
  color:var(--lime);
  font-size:22px;
  font-weight:800;
  letter-spacing:0;
  font-variant-numeric:tabular-nums;
  box-shadow:var(--shadow-1);
  position:relative;z-index:2;
}
.tl-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px 28px;
  box-shadow:var(--shadow-1);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#D6D3CA}
.tl-card h3{margin-bottom:10px}
.tl-card p{color:var(--text);font-size:16px;line-height:1.85}
.tl-card--media{display:grid;grid-template-columns:minmax(0,1fr) 232px;gap:24px;align-items:center}
.tl-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border:1px solid var(--line);
}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tl-tags li{
  padding:5px 14px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:rgba(201,242,77,.16);
  color:var(--ink);
  font-size:13px;
  letter-spacing:.02em;
}

/* ---------- 处置卡片（Foundation 栅格） ---------- */
.risk-band{background:#F1EFE9;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.risk-card{
  height:100%;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px 24px;
  box-shadow:var(--shadow-1);
  transition:transform .28s ease,box-shadow .28s ease;
}
.risk-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.risk-icon{
  width:46px;height:46px;
  display:grid;place-items:center;
  border-radius:14px;
  background:rgba(255,106,61,.12);
  color:var(--orange);
  font-size:18px;
  margin-bottom:16px;
}
.risk-card h3{margin-bottom:10px;font-size:19px}
.risk-card p{color:var(--muted);font-size:15.5px;line-height:1.8}
.risk-card ul{margin-top:14px;display:flex;flex-direction:column;gap:8px}
.risk-card ul li{
  position:relative;
  padding-left:18px;
  font-size:14.5px;
  color:var(--text);
}
.risk-card ul li::before{
  content:"";
  position:absolute;left:0;top:.62em;
  width:7px;height:7px;border-radius:50%;
  background:var(--lime);
  box-shadow:0 0 0 2px rgba(201,242,77,.32);
}
.risk-more{
  display:inline-flex;align-items:center;gap:8px;
  margin-top:18px;
  font-size:14.5px;font-weight:600;color:var(--ink);
}
.risk-more i{transition:transform .22s ease}
.risk-more:hover i{transform:translateX(4px)}

/* ---------- 习惯条 ---------- */
.habit{
  background:var(--panel);
  border-radius:var(--r-lg);
  padding:44px 40px;
  border:1px solid var(--line-dark);
  color:rgba(247,245,240,.8);
}
.habit h2{color:#FBF9F4;margin-bottom:14px}
.habit p{max-width:66ch;font-size:16px}
.habit-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.habit-chips li{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 18px;
  border-radius:var(--r-pill);
  border:1px solid rgba(201,242,77,.42);
  color:var(--lime);
  font-size:14px;
  letter-spacing:.02em;
}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:940px;margin:0 auto}
.faq-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--shadow-1);
  overflow:hidden;
  transition:box-shadow .25s ease,border-color .25s ease;
}
.faq-item.is-open{border-color:#D2CFC5;box-shadow:var(--shadow-2)}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;
  background:transparent;border:0;
  text-align:left;cursor:pointer;
  font-size:17px;font-weight:600;color:var(--ink);
  min-height:56px;
}
.faq-q .pm{
  flex:0 0 30px;
  width:30px;height:30px;
  display:grid;place-items:center;
  border-radius:50%;
  border:1px solid var(--line);
  color:var(--ink);
  font-size:15px;font-weight:600;
  transition:transform .3s ease,background-color .3s ease,color .3s ease;
}
.faq-item.is-open .faq-q .pm{background:var(--lime);transform:rotate(180deg)}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .38s ease;
}
.faq-a-inner{
  padding:0 24px 24px;
  color:var(--muted);
  font-size:15.8px;
  line-height:1.85;
}

/* ---------- CTA 大条 ---------- */
.cta-band{
  background:var(--ink);
  border-radius:var(--r-lg);
  padding:56px 48px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;right:-80px;bottom:-120px;
  width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(201,242,77,.18),rgba(201,242,77,0) 70%);
}
.cta-band .cta-text{position:relative;z-index:2;max-width:60ch}
.cta-band h2{color:#FBF9F4}
.cta-band p{color:rgba(247,245,240,.74);margin-top:12px;font-size:16px}
.cta-band .btn{position:relative;z-index:2}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:var(--sec-y);
  background:var(--ink);
  color:rgba(247,245,240,.72);
  padding:72px 0 26px;
  font-size:15px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.3fr;
  gap:40px;
  padding-bottom:44px;
  border-bottom:1px solid var(--line-dark);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand b{color:#FBF9F4;font-size:17px;font-weight:700}
.footer-col h4{color:#FBF9F4;margin-bottom:16px;font-size:15.5px;letter-spacing:.02em}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{color:rgba(247,245,240,.72);transition:color .2s ease}
.footer-col a:hover{color:var(--lime)}
.footer-col p{color:rgba(247,245,240,.66);font-size:14.5px;line-height:1.8}
.footer-sub{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
.footer-sub input{
  flex:1 1 180px;
  height:48px;
  padding:0 16px;
  border-radius:12px;
  border:1px solid var(--line-dark);
  background:rgba(255,255,255,.06);
  color:#FBF9F4;
  font-size:15px;
  min-width:0;
}
.footer-sub input::placeholder{color:rgba(247,245,240,.42)}
.footer-sub input:focus{outline:none;border-color:var(--lime);box-shadow:0 0 0 3px rgba(201,242,77,.18)}
.footer-sub input.is-error{border-color:var(--orange);box-shadow:0 0 0 3px rgba(255,106,61,.16)}
.footer-sub .sub-msg{
  flex:1 1 100%;
  font-size:13.5px;
  color:var(--orange);
  display:none;
}
.footer-sub .sub-msg.show{display:block}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;
  justify-content:space-between;
  padding-top:22px;
  font-size:13.5px;
  color:rgba(247,245,240,.5);
  letter-spacing:.02em;
}
.show-for-sr{
  position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;
}

/* ---------- 入场动效 ---------- */
.js .reveal{opacity:0;transform:translateY(12px);transition:opacity .4s ease-out,transform .4s ease-out}
.js .reveal.is-in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms!important;
    animation-iteration-count:1!important;
    transition-duration:.001ms!important;
    scroll-behavior:auto!important;
  }
  .js .reveal{opacity:1!important;transform:none!important}
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  :root{--sec-y:72px}
  .nav-menu{
    display:none;
    position:absolute;
    top:calc(100% + 10px);
    left:0;right:0;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    padding:12px;
    background:rgba(247,245,240,.97);
    -webkit-backdrop-filter:blur(14px);
    backdrop-filter:blur(14px);
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    box-shadow:var(--shadow-2);
  }
  .nav-menu.is-open{display:flex}
  .nav-link{min-height:46px;padding:0 16px;border-radius:12px;font-size:16px}
  .nav-toggle{display:block}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .tl-card--media{grid-template-columns:minmax(0,1fr) 190px}
  .page-banner{padding:132px 0 64px}
}
@media (max-width:767px){
  :root{--sec-y:56px;--gutter:20px}
  body{font-size:16px}
  .wrap{width:min(1240px,100% - 32px)}
  .nav-shell{padding:0 10px 0 14px;height:58px}
  .brand-text{font-size:15.5px}
  .brand-text em{display:inline}
  .nav-cta{display:none}
  .page-banner{padding:118px 0 56px}
  .banner-actions .btn{flex:1 1 100%}
  .banner-stats{gap:14px 26px}
  .banner-stats b{font-size:19px}
  .sec-head{padding-left:16px;margin-bottom:34px}
  .tl-item{grid-template-columns:56px minmax(0,1fr);gap:16px;padding-bottom:22px}
  .tl-num{width:56px;height:56px;border-radius:20px;font-size:18px}
  .tl-item::before{left:27px;top:64px}
  .tl-card{padding:20px}
  .tl-card p{font-size:15.5px}
  .tl-card--media{grid-template-columns:1fr;gap:16px}
  .tl-media img{aspect-ratio:16/9}
  .habit{padding:30px 22px}
  .cta-band{padding:38px 24px}
  .cta-band .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:6px}
}
@media (max-width:519px){
  .banner-badge{font-size:12.5px}
  .faq-q{padding:16px 18px;font-size:16px}
  .faq-a-inner{padding:0 18px 20px}
  .tl-num{width:48px;height:48px;font-size:16px;border-radius:16px}
  .tl-item{grid-template-columns:48px minmax(0,1fr)}
  .tl-item::before{left:23px;top:56px}
}

/* roulang page: category4 */
:root{
  --ink:#121316;
  --panel:#1B1A22;
  --paper:#F7F5F0;
  --line:#E4E2DC;
  --text:#3A3D42;
  --muted:#6E7278;
  --lime:#C9F24D;
  --orange:#FF6A3D;
  --radius-s:8px;
  --radius-m:16px;
  --radius-l:20px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(18,19,22,.05),0 8px 24px rgba(18,19,22,.06);
  --shadow-2:0 6px 18px rgba(18,19,22,.10),0 18px 40px rgba(18,19,22,.08);
  --gap-lg:24px;
  --gap-md:20px;
  --gap-sm:16px;
  --sec:96px;
}
*,*::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","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
figure{margin:0;}
.show-for-sr{position:absolute!important;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

.wrap{width:min(1240px,calc(100% - 32px));margin:0 auto;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--radius-pill);
  font-size:15.5px;font-weight:600;line-height:1;letter-spacing:.01em;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--orange);color:#FFF7F3;box-shadow:0 6px 16px rgba(255,106,61,.28);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--ink);}
.btn-ghost:hover{background:var(--ink);color:var(--paper);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-lime{background:var(--lime);color:var(--ink);font-weight:700;}
.btn-lime:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(201,242,77,.35);}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-block{width:100%;}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:14.5px;color:var(--ink);}
.btn-text i{transition:transform .25s ease;font-size:12px;}
.btn-text:hover i{transform:translateX(4px);}

/* ---------- Header / Nav ---------- */
.site-header{
  position:fixed;top:16px;left:0;right:0;z-index:120;
  display:flex;justify-content:center;
  transition:top .3s ease;
}
.nav-shell{
  width:min(1240px,calc(100% - 32px));
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:10px 14px 10px 18px;
  border-radius:var(--radius-pill);
  background:rgba(247,245,240,.78);
  border:1px solid rgba(18,19,22,.08);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:0 8px 26px rgba(18,19,22,.07);
  transition:padding .3s ease,box-shadow .3s ease,background .3s ease;
}
.site-header.is-shrink .nav-shell{padding:6px 12px 6px 16px;background:rgba(247,245,240,.9);box-shadow:0 10px 30px rgba(18,19,22,.1);}
.brand{display:inline-flex;align-items:center;gap:10px;min-height:44px;}
.brand-mark{
  width:34px;height:34px;border-radius:11px;
  display:grid;place-items:center;
  background:var(--ink);color:var(--lime);
  font-weight:800;font-size:16px;letter-spacing:-.02em;
  flex:0 0 auto;
}
.brand-text{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--ink);line-height:1.1;}
.brand-text em{font-style:normal;color:var(--orange);}
.nav-menu{display:flex;align-items:center;gap:4px;}
.nav-link{
  display:inline-flex;align-items:center;min-height:44px;
  padding:10px 14px;border-radius:var(--radius-pill);
  font-size:14.5px;font-weight:500;color:var(--muted);
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--ink);background:rgba(18,19,22,.05);}
.nav-link.is-active{color:var(--ink);font-weight:700;background:rgba(201,242,77,.36);}
.nav-actions{display:flex;align-items:center;gap:10px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--radius-pill);
  border:1px solid var(--line);background:rgba(255,255,255,.6);
  padding:0;place-items:center;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .3s ease,opacity .3s ease;}
.nav-toggle span + span{margin-top:4px;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* ---------- Hero ---------- */
.page-hero{padding:132px 0 56px;position:relative;overflow:hidden;}
.page-hero::after{
  content:"";position:absolute;right:-120px;top:80px;width:360px;height:360px;
  background:radial-gradient(circle,rgba(201,242,77,.35),rgba(201,242,77,0) 68%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:var(--radius-pill);
  background:rgba(201,242,77,.45);color:var(--ink);
  font-size:13px;font-weight:700;letter-spacing:.06em;
}
.hero-title{
  margin-top:20px;
  font-size:clamp(32px,4.6vw,56px);
  font-weight:800;letter-spacing:-.02em;line-height:1.15;color:var(--ink);
}
.hero-sub{margin-top:20px;max-width:560px;font-size:17px;color:var(--muted);line-height:1.85;}
.hero-points{margin-top:26px;display:flex;flex-wrap:wrap;gap:10px;}
.hero-points li{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:var(--radius-pill);
  background:#fff;border:1px solid var(--line);
  font-size:13.5px;font-weight:600;color:var(--text);
}
.hero-points i{color:var(--orange);font-size:12px;}
.hero-cta{margin-top:32px;display:flex;flex-wrap:wrap;gap:14px;}
.hero-visual{position:relative;}
.hero-shot{
  border-radius:var(--radius-l);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-1);
  background:#fff;
}
.hero-shot img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-badge{
  position:absolute;left:-14px;bottom:34px;
  padding:12px 20px;border-radius:var(--radius-pill);
  background:var(--lime);color:var(--ink);
  font-size:14px;font-weight:800;box-shadow:var(--shadow-1);
}
.hero-note{
  position:absolute;right:-10px;top:-14px;
  padding:10px 18px;border-radius:var(--radius-pill);
  background:var(--ink);color:var(--lime);
  font-size:13px;font-weight:700;letter-spacing:.04em;
}

/* ---------- Section base ---------- */
.section{padding:var(--sec) 0;}
.section-tight{padding:64px 0;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:40px;}
.sec-head-l{position:relative;padding-left:18px;}
.sec-head-l::before{content:"";position:absolute;left:0;top:8px;width:4px;height:38px;border-radius:4px;background:var(--lime);}
.sec-title{font-size:clamp(24px,3vw,32px);font-weight:700;line-height:1.25;letter-spacing:-.01em;color:var(--ink);}
.sec-desc{margin-top:12px;max-width:720px;font-size:15.5px;color:var(--muted);}
.sec-link{font-size:14.5px;font-weight:600;color:var(--ink);display:inline-flex;align-items:center;gap:8px;min-height:44px;}
.sec-link i{color:var(--orange);transition:transform .25s ease;}
.sec-link:hover i{transform:translateX(4px);}

/* ---------- Stat bar ---------- */
.stat-bar{
  background:var(--ink);border-radius:var(--radius-l);
  padding:34px 24px;position:relative;overflow:hidden;
  margin-top:-16px;
}
.stat-bar::before{
  content:"";position:absolute;left:-60px;bottom:-80px;width:240px;height:240px;
  background:radial-gradient(circle,rgba(255,106,61,.35),rgba(255,106,61,0) 70%);
}
.stat-bar .grid-x{position:relative;z-index:1;}
.stat-item{text-align:center;padding:12px 8px;border-right:1px solid rgba(255,255,255,.12);}
.stat-item:last-child{border-right:0;}
.stat-num{font-size:clamp(28px,3.4vw,40px);font-weight:800;color:var(--lime);letter-spacing:-.02em;line-height:1.1;}
.stat-num small{font-size:16px;font-weight:700;margin-left:2px;}
.stat-label{margin-top:8px;font-size:13.5px;color:rgba(247,245,240,.72);letter-spacing:.06em;}

/* ---------- Waterfall grid ---------- */
.waterfall{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  gap:var(--gap-lg);align-items:start;
}
.wf-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-m);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .3s ease,box-shadow .3s ease;
  display:flex;flex-direction:column;
}
.wf-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.wf-media{overflow:hidden;position:relative;background:#EFEDE7;}
.wf-media img{width:100%;object-fit:cover;transition:transform .45s ease;}
.wf-card:hover .wf-media img{transform:scale(1.04);}
.wf-media.r-4x3 img{aspect-ratio:4/3;}
.wf-media.r-16x9 img{aspect-ratio:16/9;}
.wf-media.r-1x1 img{aspect-ratio:1/1;}
.wf-media.r-3x4 img{aspect-ratio:3/3.6;}
.wf-flag{
  position:absolute;left:14px;top:14px;
  padding:6px 14px;border-radius:var(--radius-pill);
  background:var(--orange);color:#FFF7F3;
  font-size:12px;font-weight:700;letter-spacing:.04em;
}
.wf-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.tag{
  display:inline-flex;align-items:center;
  padding:5px 13px;border-radius:var(--radius-pill);
  border:1px solid var(--lime);background:rgba(201,242,77,.18);
  color:var(--ink);font-size:12.5px;font-weight:700;letter-spacing:.04em;
  width:fit-content;
}
.wf-title{font-size:20px;font-weight:600;line-height:1.4;color:var(--ink);}
.wf-desc{font-size:15px;color:var(--muted);line-height:1.85;}
.wf-meta{
  margin-top:auto;padding-top:14px;border-top:1px dashed var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
}
.wf-meta .m{font-size:13px;color:var(--muted);letter-spacing:.06em;}
.wf-meta .m b{color:var(--ink);font-weight:700;}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:var(--gap-lg);}
.step{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-m);
  padding:26px 24px;position:relative;transition:transform .3s ease,box-shadow .3s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.step-no{
  width:44px;height:44px;border-radius:14px;
  display:grid;place-items:center;
  background:var(--ink);color:var(--lime);
  font-weight:800;font-size:17px;
}
.step h3{margin-top:18px;font-size:19px;font-weight:600;color:var(--ink);}
.step p{margin-top:10px;font-size:14.5px;color:var(--muted);line-height:1.8;}
.step::after{
  content:"";position:absolute;right:-14px;top:44px;width:14px;height:2px;
  background:var(--line);
}
.steps .step:last-child::after{display:none;}

/* ---------- Guard bar ---------- */
.guard{background:var(--panel);border-radius:var(--radius-l);padding:44px 24px;color:var(--paper);}
.guard .grid-x{row-gap:20px;}
.guard-item{display:flex;gap:14px;align-items:flex-start;padding:6px 10px;}
.guard-icon{
  width:44px;height:44px;flex:0 0 auto;border-radius:14px;
  display:grid;place-items:center;
  background:rgba(201,242,77,.14);color:var(--lime);font-size:17px;
  border:1px solid rgba(255,255,255,.1);
}
.guard-item h3{font-size:16.5px;font-weight:600;color:#fff;}
.guard-item p{margin-top:6px;font-size:14px;color:rgba(247,245,240,.7);line-height:1.75;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:920px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-m);
  overflow:hidden;transition:box-shadow .3s ease,border-color .3s ease;
}
.faq-item.is-open{box-shadow:var(--shadow-1);border-color:rgba(18,19,22,.16);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;text-align:left;font-size:16.5px;font-weight:600;color:var(--ink);
  min-height:44px;
}
.faq-q .ic{
  width:30px;height:30px;flex:0 0 auto;border-radius:var(--radius-pill);
  display:grid;place-items:center;
  background:rgba(201,242,77,.35);color:var(--ink);
  font-size:16px;font-weight:700;transition:transform .3s ease;
}
.faq-item.is-open .faq-q .ic{transform:rotate(135deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;}
.faq-a p{padding:0 24px 22px;font-size:15px;color:var(--muted);line-height:1.8;}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--ink);border-radius:var(--radius-l);padding:56px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-60px;width:300px;height:300px;
  background:radial-gradient(circle,rgba(201,242,77,.28),rgba(201,242,77,0) 70%);
}
.cta-band .cb-l{position:relative;z-index:1;max-width:640px;}
.cta-band h2{font-size:clamp(24px,3vw,32px);font-weight:700;color:#fff;line-height:1.3;letter-spacing:-.01em;}
.cta-band p{margin-top:14px;font-size:15.5px;color:rgba(247,245,240,.72);}
.cta-band .cb-r{position:relative;z-index:1;display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:rgba(247,245,240,.72);padding:72px 0 0;margin-top:var(--sec);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand b{font-size:17px;color:#fff;font-weight:800;letter-spacing:-.01em;}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px;letter-spacing:.02em;}
.footer-col ul li{margin-bottom:12px;}
.footer-col ul a{font-size:14.5px;color:rgba(247,245,240,.68);transition:color .2s ease;}
.footer-col ul a:hover{color:var(--lime);}
.footer-col p{font-size:14.5px;line-height:1.85;color:rgba(247,245,240,.66);}
.footer-sub{margin-top:16px;display:flex;flex-direction:column;gap:10px;}
.footer-sub label{font-size:13px;color:rgba(247,245,240,.6);letter-spacing:.06em;}
.footer-sub input{
  height:48px;border-radius:12px;border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.06);color:#fff;
  padding:0 16px;font-size:14.5px;font-family:inherit;
  transition:border-color .2s ease,background .2s ease;
}
.footer-sub input::placeholder{color:rgba(247,245,240,.42);}
.footer-sub input:focus{border-color:var(--lime);background:rgba(255,255,255,.1);outline:none;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(247,245,240,.5);letter-spacing:.04em;
}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .4s ease-out,transform .4s ease-out;}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- Responsive ---------- */
@media screen and (max-width:1024px){
  :root{--sec:72px;}
  .nav-menu{gap:0;}
  .nav-link{padding:10px 11px;font-size:13.5px;}
  .hero-inner{grid-template-columns:1fr;gap:36px;}
  .hero-sub{max-width:none;}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .step::after{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .guard-item{margin-bottom:8px;}
  .stat-item{border-right:0;}
}
@media screen and (max-width:768px){
  :root{--sec:60px;}
  .nav-menu{
    position:absolute;left:0;right:0;top:calc(100% + 12px);
    flex-direction:column;align-items:stretch;gap:4px;
    background:rgba(247,245,240,.96);backdrop-filter:blur(14px);
    border:1px solid var(--line);border-radius:22px;
    padding:12px;box-shadow:var(--shadow-1);
    opacity:0;visibility:hidden;transform:translateY(-8px);
    transition:opacity .25s ease,transform .25s ease,visibility .25s;
  }
  .nav-menu.is-open{opacity:1;visibility:visible;transform:none;}
  .nav-link{justify-content:flex-start;padding:12px 16px;}
  .nav-shell{position:relative;}
  .nav-toggle{display:grid;}
  .nav-cta{display:none;}
  .waterfall{grid-template-columns:1fr;gap:var(--gap-md);}
  .steps{grid-template-columns:1fr;}
  .sec-head{align-items:flex-start;}
  .cta-band{padding:40px 26px;}
  .cta-band .cb-r{width:100%;}
  .cta-band .cb-r .btn{flex:1;}
  .page-hero{padding:118px 0 44px;}
  .hero-badge{left:auto;right:12px;bottom:12px;}
  .hero-note{right:12px;top:-12px;}
}
@media screen and (max-width:520px){
  :root{--sec:56px;--gap-lg:16px;}
  body{font-size:16px;}
  .wrap{width:calc(100% - 28px);}
  .nav-shell{padding:8px 10px 8px 14px;}
  .brand-text{font-size:15.5px;}
  .wf-body{padding:18px 18px 20px;}
  .wf-title{font-size:18px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{justify-content:flex-start;}
  .btn{padding:13px 22px;font-size:15px;}
  .stat-bar{padding:26px 16px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}