/* roulang page: index */
:root{
  --ink:#101112;
  --ink-2:#2A2C2E;
  --paper:#F5F3EE;
  --paper-2:#FFFFFF;
  --lime:#CDF545;
  --clay:#FF5A2D;
  --line:rgba(16,17,18,.12);
  --muted:#8A8D91;
  --body:#3A3D40;
  --hair:#D8D5CE;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  --font-num:"Space Grotesk","Inter",system-ui,-apple-system,sans-serif;
  --r-card:18px;
  --r-img:14px;
  --r-input:12px;
  --sh-1:0 1px 2px rgba(16,17,18,.06);
  --sh-2:0 12px 32px -12px rgba(16,17,18,.18);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--body);
  font-family:var(--font-cn);font-size:16px;line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){.container{padding:0 40px}}

/* ---------- 通用文字 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.14em;
  color:var(--ink-2);text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--lime);display:inline-block;border-radius:2px}
.h1{font-size:clamp(32px,5vw,60px);font-weight:800;letter-spacing:-.02em;line-height:1.08;color:var(--ink)}
.h2{font-size:clamp(24px,3.2vw,38px);font-weight:700;letter-spacing:-.01em;line-height:1.2;color:var(--ink)}
.h3{font-size:clamp(18px,2vw,23px);font-weight:600;line-height:1.35;color:var(--ink)}
.lead{font-size:16px;line-height:1.75;color:var(--body);max-width:56ch}
.muted{color:var(--muted)}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(245,243,238,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 1px 12px rgba(16,17,18,.07)}
.header-inner{
  height:68px;display:flex;align-items:center;gap:20px;
  transition:height .2s var(--ease);
}
.site-header.is-scrolled .header-inner{height:56px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:28px;height:28px;border-radius:9px;background:var(--ink);
  position:relative;flex-shrink:0;
}
.logo-mark::before{
  content:"";position:absolute;inset:7px 6px;border:2px solid var(--lime);border-radius:3px;
}
.logo-mark::after{
  content:"";position:absolute;left:6px;right:6px;bottom:5px;height:2px;background:var(--lime);border-radius:2px;
}
.logo-text{font-size:17px;font-weight:800;letter-spacing:-.02em;color:var(--ink);white-space:nowrap}
.nav-pills{display:none;align-items:center;gap:4px;margin-left:auto}
@media (min-width:1024px){.nav-pills{display:flex}}
.pill{
  padding:9px 16px;border-radius:999px;font-size:14px;font-weight:600;
  color:var(--ink-2);border:1px solid transparent;white-space:nowrap;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.pill:hover{border-color:var(--line);background:var(--paper-2)}
.pill.active{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
@media (min-width:1024px){.header-actions{margin-left:0}}
.icon-btn{
  width:40px;height:40px;border-radius:999px;border:1px solid var(--line);
  background:transparent;display:none;align-items:center;justify-content:center;
  transition:background .18s var(--ease),border-color .18s var(--ease);
}
@media (min-width:1024px){.icon-btn{display:inline-flex}}
.icon-btn:hover{background:var(--paper-2);border-color:var(--hair)}
.hamburger{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:var(--paper-2);display:inline-flex;flex-direction:column;
  align-items:center;justify-content:center;gap:5px;
}
@media (min-width:1024px){.hamburger{display:none}}
.hamburger span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s var(--ease)}

/* ---------- 移动抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:90;background:var(--paper);
  padding:24px 20px 32px;overflow-y:auto;
  display:flex;flex-direction:column;
}
.drawer[hidden]{display:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}
.drawer-close{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:var(--paper-2);font-size:22px;line-height:1;color:var(--ink);
}
.drawer-nav{display:flex;flex-direction:column;border-top:1px solid var(--hair)}
.drawer-nav a{
  font-size:21px;font-weight:700;color:var(--ink);padding:18px 4px;
  border-bottom:1px solid var(--hair);display:flex;align-items:center;justify-content:space-between;
}
.drawer-nav a.active{color:var(--ink)}
.drawer-nav a.active::after{content:"";width:8px;height:8px;border-radius:50%;background:var(--lime)}
.drawer-foot{margin-top:auto;padding-top:28px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:transform .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn-lime{background:var(--lime);color:var(--ink);border-color:var(--lime)}
.btn-lime:hover{background:#D9FA5E}
.btn-ink{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.btn-ink:hover{background:#000}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-outline:hover{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.btn-ghost-light{background:transparent;color:var(--paper);border-color:rgba(245,243,238,.36)}
.btn-ghost-light:hover{background:var(--paper);color:var(--ink);border-color:var(--paper)}
.btn-sm{min-height:38px;padding:0 18px;font-size:14px}
.text-link{
  font-size:14px;font-weight:600;color:var(--ink);border-bottom:1px solid var(--ink);
  padding-bottom:2px;transition:border-color .18s var(--ease),color .18s var(--ease);
}
.text-link:hover{color:var(--clay);border-color:var(--clay)}

/* ---------- 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:8px;font-size:12px;font-weight:600;letter-spacing:.04em;
  background:rgba(205,245,69,.42);color:var(--ink);
}
.badge-ink{background:var(--ink);color:var(--paper)}
.badge-ghost{background:transparent;border:1px solid var(--line);color:var(--ink-2)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-1.png);
  background-size:cover;background-position:center;
  opacity:.16;pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:1fr;gap:36px;padding-top:44px;padding-bottom:28px}
@media (min-width:1024px){
  .hero-grid{grid-template-columns:5fr 7fr;gap:56px;align-items:center;padding-top:76px;padding-bottom:64px}
}
.hero-copy h1{margin:18px 0 16px}
.hero-sub{font-size:17px;color:var(--ink-2);font-weight:500;max-width:30ch}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:38px;border-top:1px solid var(--hair);padding-top:22px}
.hero-stats dt{font-size:12px;letter-spacing:.06em;color:var(--muted);font-weight:600}
.hero-stats dd{font-size:clamp(20px,2.4vw,28px);font-weight:800;color:var(--ink);font-family:var(--font-num);margin:4px 0 0}
.hero-sign{height:1px;background:var(--lime);max-width:1240px;margin:0 auto}

.hero-rail{
  display:grid;grid-auto-flow:column;grid-auto-columns:64%;gap:14px;
  overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 2px 14px;
  -webkit-overflow-scrolling:touch;
}
.hero-rail::-webkit-scrollbar{height:6px}
.hero-rail::-webkit-scrollbar-thumb{background:var(--hair);border-radius:99px}
@media (min-width:640px){.hero-rail{grid-auto-columns:42%}}
@media (min-width:1024px){
  .hero-rail{grid-auto-columns:32%;overflow:visible;padding-bottom:6px}
  .reel-card:nth-child(2){transform:translateY(20px)}
  .reel-card:nth-child(2):hover{transform:translateY(14px)}
}
.reel-card{
  position:relative;aspect-ratio:3/4;border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--line);background:var(--paper-2);scroll-snap-align:start;
  box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.reel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.reel-card img{width:100%;height:100%;object-fit:cover;transition:transform .28s var(--ease)}
.reel-card:hover img{transform:scale(1.04)}
.reel-shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(16,17,18,.06) 0%,rgba(16,17,18,.66) 100%)}
.reel-time{
  position:absolute;top:12px;right:12px;font-size:12px;font-weight:600;
  padding:3px 9px;border-radius:999px;background:rgba(16,17,18,.72);color:var(--paper);
  font-family:var(--font-num);
}
.reel-play{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:52px;height:52px;border-radius:50%;background:var(--lime);
  display:flex;align-items:center;justify-content:center;
  transition:transform .22s var(--ease);
}
.reel-card:hover .reel-play{transform:translate(-50%,-50%) scale(1.1)}
.reel-play svg{width:18px;height:18px;fill:var(--ink);margin-left:3px}
.reel-foot{position:absolute;left:14px;right:14px;bottom:16px;color:var(--paper)}
.reel-foot strong{display:block;font-size:15px;font-weight:600}
.reel-foot span{font-size:12px;color:rgba(245,243,238,.76)}
.reel-bar{position:absolute;left:0;bottom:0;height:2px;width:62%;background:var(--lime)}

/* ---------- 板块通用 ---------- */
.section{padding:64px 0}
@media (min-width:1024px){.section{padding:104px 0}}
.section-tight{padding:56px 0}
@media (min-width:1024px){.section-tight{padding:76px 0}}
.section-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:16px;margin-bottom:32px;
}
.section-head .h2{margin-top:12px;max-width:22ch}
.section-head p{margin-top:10px;max-width:52ch}

/* ---------- 片段轨道 ---------- */
.reel-track{
  display:grid;grid-auto-flow:column;grid-auto-columns:56%;gap:16px;
  overflow-x:auto;scroll-snap-type:x mandatory;padding:8px 2px 18px;
}
.reel-track::-webkit-scrollbar{height:6px}
.reel-track::-webkit-scrollbar-thumb{background:var(--hair);border-radius:99px}
@media (min-width:640px){.reel-track{grid-auto-columns:34%}}
@media (min-width:1024px){.reel-track{grid-auto-columns:23%}}
.clip-tag{
  position:absolute;top:12px;left:12px;z-index:2;
  font-size:12px;font-weight:600;padding:4px 10px;border-radius:8px;
  background:var(--paper);color:var(--ink);
}
.clip-tag.hot{background:var(--clay);color:#fff}
.clip-meta{
  position:absolute;left:14px;right:14px;bottom:14px;z-index:2;
  display:flex;align-items:center;justify-content:space-between;
  font-size:12px;color:rgba(245,243,238,.86);font-family:var(--font-num);
}

/* ---------- 种草清单 ---------- */
.pick-list{display:grid;grid-template-columns:1fr;border-top:1px solid var(--hair)}
@media (min-width:768px){.pick-list{grid-template-columns:1fr 1fr;column-gap:56px}}
.pick-item{
  display:grid;grid-template-columns:58px 1fr;gap:16px;align-items:start;
  padding:24px 4px;border-bottom:1px solid var(--hair);
  transition:background .18s var(--ease);
}
.pick-item:hover{background:rgba(255,255,255,.66)}
.pick-num{
  font-family:var(--font-num);font-size:30px;font-weight:700;line-height:1;
  color:var(--ink);position:relative;padding-bottom:8px;
}
.pick-num::after{content:"";position:absolute;left:0;bottom:0;width:26px;height:3px;background:var(--lime);border-radius:2px}
.pick-body h3{margin-bottom:6px;font-size:18px}
.pick-body p{font-size:15px;color:var(--body)}

/* ---------- 口碑 ---------- */
.voice-band{border-top:1px solid var(--hair);border-bottom:1px solid var(--hair);background:rgba(255,255,255,.56)}
.voice-track{display:grid;grid-auto-flow:column;grid-auto-columns:78%;gap:14px;overflow-x:auto;padding:6px 2px 18px;scroll-snap-type:x mandatory}
.voice-track::-webkit-scrollbar{height:6px}
.voice-track::-webkit-scrollbar-thumb{background:var(--hair);border-radius:99px}
@media (min-width:768px){.voice-track{grid-auto-columns:38%}}
@media (min-width:1024px){.voice-track{grid-auto-columns:27%}}
.voice-card{
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-card);
  padding:18px 20px 20px;scroll-snap-align:start;
}
.voice-top{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.avatar{
  width:38px;height:38px;border-radius:50%;background:var(--hair);
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;color:var(--ink-2);flex-shrink:0;
}
.voice-name{font-size:14px;font-weight:600;color:var(--ink)}
.voice-stars{display:flex;gap:3px;margin-top:2px}
.voice-stars i{width:7px;height:7px;border-radius:2px;background:var(--lime);display:block}
.voice-stars i.off{background:var(--hair)}
.voice-card p{font-size:14.5px;color:var(--body)}

/* ---------- 一键跟买 ---------- */
.follow-block{
  background:var(--ink);border-radius:24px;padding:32px 24px;
  color:var(--paper);
}
@media (min-width:1024px){.follow-block{padding:52px 48px}}
.follow-top{display:grid;grid-template-columns:1fr;gap:24px;align-items:end}
@media (min-width:1024px){.follow-top{grid-template-columns:1.3fr 1fr;gap:48px}}
.follow-top h2{color:var(--paper);font-size:clamp(22px,2.8vw,34px);font-weight:700;letter-spacing:-.01em}
.follow-top p{color:rgba(245,243,238,.74);margin-top:12px;max-width:46ch}
.follow-actions{display:flex;flex-wrap:wrap;gap:12px}
@media (min-width:1024px){.follow-actions{justify-content:flex-end}}
.follow-rows{display:grid;grid-template-columns:1fr;gap:0;margin-top:34px;border-top:1px solid rgba(245,243,238,.16)}
@media (min-width:768px){.follow-rows{grid-template-columns:1fr 1fr;column-gap:40px;border-top:0}}
.follow-row{
  display:flex;align-items:center;gap:14px;padding:18px 4px;
  border-bottom:1px solid rgba(245,243,238,.16);
  transition:transform .18s var(--ease),color .18s var(--ease);
}
.follow-row:hover{transform:translateX(4px);color:var(--lime)}
.fr-icon{
  width:34px;height:34px;border-radius:10px;border:1px solid rgba(245,243,238,.24);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.fr-icon svg{width:16px;height:16px;stroke:var(--lime);fill:none;stroke-width:1.8}
.fr-name{font-size:15px;font-weight:600;flex:1}
.fr-arrow{font-family:var(--font-num);color:rgba(245,243,238,.6)}

/* ---------- 资讯列表 ---------- */
.news-grid{display:grid;grid-template-columns:1fr;gap:22px}
@media (min-width:640px){.news-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.news-grid{grid-template-columns:repeat(3,1fr)}}
.news-card{
  display:flex;flex-direction:column;background:var(--paper-2);
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:transparent}
.news-cover{aspect-ratio:16/10;overflow:hidden;background:var(--hair)}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform .28s var(--ease)}
.news-card:hover .news-cover img{transform:scale(1.04)}
.news-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-body h3{font-size:17px;line-height:1.45}
.news-body p{font-size:14.5px;color:var(--body)}
.news-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);font-family:var(--font-num)}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.empty-state{
  grid-column:1/-1;border:1px dashed var(--hair);border-radius:var(--r-card);
  background:var(--paper-2);padding:56px 24px;text-align:center;
}
.empty-state .ei{
  width:54px;height:54px;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;margin:0 auto 16px;
}
.empty-state .ei svg{width:22px;height:22px;stroke:var(--ink-2);fill:none;stroke-width:1.6}
.empty-state h3{font-size:17px;margin-bottom:8px}
.empty-state p{font-size:14.5px;color:var(--muted);margin-bottom:20px}

/* ---------- FAQ ---------- */
.faq-wrap{border-top:1px solid var(--hair);max-width:900px}
.faq-item{border-bottom:1px solid var(--hair)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:20px;padding:22px 4px;font-size:17px;font-weight:600;color:var(--ink);
  transition:color .18s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--ink-2)}
.faq-icon{
  width:28px;height:28px;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
  transition:transform .22s var(--ease),background .22s var(--ease);
}
.faq-icon svg{width:12px;height:12px;stroke:var(--ink);fill:none;stroke-width:2}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:var(--lime);border-color:var(--lime)}
.faq-body{padding:0 4px 24px;max-width:76ch;font-size:15px;color:var(--body)}

/* ---------- 尾部 CTA ---------- */
.cta-band{
  background:var(--lime);border-radius:24px;padding:36px 24px;
  display:grid;grid-template-columns:1fr;gap:24px;align-items:center;
}
@media (min-width:1024px){.cta-band{grid-template-columns:1.4fr 1fr;padding:52px 48px;gap:40px}}
.cta-band h2{color:var(--ink);font-size:clamp(22px,2.8vw,34px);font-weight:800;letter-spacing:-.01em}
.cta-band p{color:rgba(16,17,18,.72);margin-top:12px;max-width:48ch}
.cta-band .acts{display:flex;flex-wrap:wrap;gap:12px}
@media (min-width:1024px){.cta-band .acts{justify-content:flex-end}}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(245,243,238,.72);margin-top:72px;padding:56px 0 28px}
@media (min-width:1024px){.site-footer{padding:72px 0 32px}}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px}
@media (min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}}
.footer-brand .logo-text{color:var(--paper);font-size:18px}
.footer-brand p{margin-top:16px;font-size:14px;max-width:34ch;line-height:1.8}
.footer-col h4{color:var(--paper);font-size:14px;font-weight:600;letter-spacing:.06em;margin-bottom:16px}
.footer-col a{display:block;font-size:14px;padding:7px 0;color:rgba(245,243,238,.72);transition:color .18s var(--ease)}
.footer-col a:hover{color:var(--lime)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(245,243,238,.16);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(245,243,238,.5);
}
.footer-social{display:flex;gap:12px}
.footer-social span{
  width:30px;height:30px;border-radius:8px;border:1px solid rgba(245,243,238,.2);
  display:flex;align-items:center;justify-content:center;font-size:12px;color:rgba(245,243,238,.7);
}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
  .btn:hover,.news-card:hover,.reel-card:hover,.follow-row:hover{transform:none}
}

/* roulang page: article */
:root{
  --ink:#101112;
  --ink-2:#2A2C2E;
  --paper:#F5F3EE;
  --paper-2:#FFFFFF;
  --lime:#CDF545;
  --clay:#FF5A2D;
  --line:rgba(16,17,18,.12);
  --muted:#8A8D91;
  --body:#3A3D40;
  --hair:#D8D5CE;
  --r-card:18px;
  --r-img:14px;
  --r-input:12px;
  --sh-1:0 1px 2px rgba(16,17,18,.06);
  --sh-2:0 12px 32px -12px rgba(16,17,18,.18);
  --t:200ms cubic-bezier(.2,.7,.3,1);
  --max:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--body);
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4{color:var(--ink);margin:0}
p{margin:0}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px}
@media (min-width:1024px){.container{padding:0 40px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(245,243,238,.95);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--t),background var(--t);
}
.site-header.scrolled{box-shadow:0 8px 24px -18px rgba(16,17,18,.55)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;height:68px;transition:height var(--t)}
.site-header.scrolled .nav-wrap{height:56px}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{position:relative;width:34px;height:34px;border-radius:10px;background:var(--ink);flex-shrink:0}
.logo-mark::before{content:"";position:absolute;left:7px;top:9px;width:6px;height:16px;border-radius:2px;background:var(--lime)}
.logo-mark::after{content:"";position:absolute;right:7px;top:9px;width:6px;height:16px;border-radius:2px;background:rgba(245,243,238,.8)}
.logo-text{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--ink);white-space:nowrap}
@media (max-width:400px){.logo-text{font-size:15px}}
.nav-pills{display:none}
@media (min-width:1024px){
  .nav-pills{display:flex;align-items:center;gap:6px;margin:0 auto}
}
.pill{
  padding:8px 16px;border-radius:999px;font-size:14px;font-weight:600;
  color:var(--ink-2);border:1px solid transparent;white-space:nowrap;
  transition:background var(--t),color var(--t),border-color var(--t),transform var(--t);
}
.pill:hover{background:rgba(16,17,18,.06);transform:translateY(-1px)}
.pill.active{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.nav-actions{display:flex;align-items:center;gap:10px}
.icon-btn{
  width:40px;height:40px;border-radius:999px;border:1px solid var(--line);
  background:transparent;display:grid;place-items:center;cursor:pointer;
  transition:background var(--t),color var(--t),border-color var(--t);
}
.icon-btn:hover{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.icon-btn svg{width:18px;height:18px}
.nav-cta{display:none}
@media (min-width:768px){.nav-cta{display:inline-flex}}
.menu-btn{display:grid}
@media (min-width:1024px){.menu-btn{display:none}}

.mobile-drawer{
  position:fixed;inset:0;z-index:55;background:var(--paper);
  padding:92px 24px 40px;transform:translateY(-102%);
  transition:transform 260ms cubic-bezier(.2,.7,.3,1);overflow-y:auto;
}
.mobile-drawer.open{transform:translateY(0)}
@media (min-width:1024px){.mobile-drawer{display:none}}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  font-size:22px;font-weight:700;color:var(--ink);
  padding:16px 2px;border-bottom:1px solid var(--hair);
}
.drawer-link span{font-size:13px;font-weight:500;color:var(--muted)}
.drawer-foot{margin-top:28px;display:grid;gap:12px}
body.drawer-open{overflow:hidden}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 24px;border-radius:999px;
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform var(--t),background var(--t),color var(--t),border-color var(--t),box-shadow var(--t);
  white-space:nowrap;
}
.btn-primary{background:var(--ink);color:var(--paper)}
.btn-primary:hover{background:#000;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-lime{background:var(--lime);color:var(--ink)}
.btn-lime:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-outline{border-color:var(--line);color:var(--ink);background:transparent}
.btn-outline:hover{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.btn-sm{min-height:38px;padding:0 18px;font-size:14px}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;pointer-events:none}

/* ---------- breadcrumb ---------- */
.breadcrumb-wrap{padding-top:22px}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  list-style:none;margin:0;padding:0;font-size:13px;color:var(--muted);
}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px;max-width:100%}
.breadcrumb li+li::before{content:"/";color:var(--hair)}
.breadcrumb a{transition:color var(--t)}
.breadcrumb a:hover{color:var(--ink)}
.breadcrumb li[aria-current="page"]{
  color:var(--ink-2);max-width:min(52vw,420px);overflow:hidden;
  text-overflow:ellipsis;white-space:nowrap;
}

/* ---------- article head ---------- */
.article-head{padding:26px 0 0}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 12px;border-radius:8px;background:var(--lime);color:var(--ink);
  font-size:12px;font-weight:700;letter-spacing:.08em;
}
.article-title{
  font-size:clamp(28px,4.4vw,50px);font-weight:800;letter-spacing:-.02em;
  line-height:1.14;color:var(--ink);margin:18px 0 16px;max-width:900px;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
  font-size:13px;color:var(--muted);
}
.dot{width:4px;height:4px;border-radius:50%;background:var(--hair);display:inline-block}
.cover-figure{
  margin:28px 0 0;border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--line);background:var(--paper-2);
}
.cover-figure img{width:100%;aspect-ratio:16/9;object-fit:cover}
.cover-figure figcaption{padding:11px 16px;font-size:12px;color:var(--muted);border-top:1px solid var(--line)}

/* ---------- layout ---------- */
.layout{display:grid;gap:44px;padding:44px 0 8px}
@media (min-width:1024px){
  .layout{grid-template-columns:minmax(0,1fr) 260px;gap:56px;align-items:start}
}
.article-main{max-width:760px;min-width:0}

/* ---------- article body ---------- */
.article-body{font-size:16px;line-height:1.85;color:var(--body)}
.article-body>*+*{margin-top:1.1em}
.article-body h2{
  margin:2em 0 .6em;font-size:clamp(22px,2.6vw,30px);font-weight:700;
  letter-spacing:-.01em;line-height:1.32;color:var(--ink);
  scroll-margin-top:96px;
}
.article-body h3{
  margin:1.6em 0 .5em;font-size:clamp(18px,2vw,22px);font-weight:600;
  line-height:1.4;color:var(--ink);scroll-margin-top:96px;
}
.article-body p{margin:0 0 1.1em}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.4em}
.article-body li{margin:.35em 0}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li::marker{color:var(--ink-2)}
.article-body a{color:var(--ink);border-bottom:1px solid var(--lime);transition:background var(--t)}
.article-body a:hover{background:var(--lime)}
.article-body strong{color:var(--ink)}
.article-body blockquote{
  margin:1.6em 0;padding:16px 22px;border-left:4px solid var(--lime);
  background:#FBFAF5;border-radius:0 12px 12px 0;color:var(--ink-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);margin:1.5em auto}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:12px;color:var(--muted);text-align:center;margin-top:10px}
.article-body code{
  background:rgba(16,17,18,.06);padding:2px 6px;border-radius:6px;font-size:.9em;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.article-body pre{
  background:var(--ink);color:var(--paper);padding:18px 20px;border-radius:12px;
  overflow-x:auto;font-size:14px;line-height:1.7;margin:1.6em 0;
}
.article-body pre code{background:transparent;color:inherit;padding:0}
.article-body table{
  width:100%;border-collapse:separate;border-spacing:0;margin:1.6em 0;
  font-size:14px;border:1px solid var(--line);border-radius:12px;overflow:hidden;
}
.article-body th{background:var(--ink);color:var(--paper);font-weight:600;text-align:left;padding:12px 14px}
.article-body td{padding:12px 14px;border-top:1px solid var(--hair);color:var(--ink-2)}
.article-body tbody tr:nth-child(even){background:#FBFAF6}
.article-body hr{border:0;border-top:1px solid var(--hair);margin:2em 0}

.empty-state{
  border:1px dashed var(--line);border-radius:var(--r-card);background:var(--paper-2);
  padding:56px 24px;text-align:center;
}
.empty-state h2{font-size:22px;font-weight:700;margin-bottom:12px}
.empty-state p{color:var(--muted);max-width:460px;margin:0 auto 22px;font-size:15px}

/* ---------- tail blocks ---------- */
.tail-block{margin-top:36px;padding-top:26px;border-top:1px solid var(--hair)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}
.tag-pill{
  padding:6px 14px;border-radius:999px;border:1px solid var(--line);
  background:var(--paper-2);font-size:13px;color:var(--ink-2);
  transition:background var(--t),color var(--t),border-color var(--t);
}
.tag-pill:hover{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.prevnext{display:grid;gap:14px;margin-top:26px}
@media (min-width:768px){.prevnext{grid-template-columns:1fr 1fr}}
.prevnext a{
  display:block;padding:16px 18px;border:1px solid var(--line);border-radius:14px;
  background:var(--paper-2);transition:transform var(--t),border-color var(--t),box-shadow var(--t);
}
.prevnext a:hover{transform:translateY(-2px);border-color:var(--ink);box-shadow:var(--sh-1)}
.prevnext .k{display:block;font-size:12px;letter-spacing:.08em;color:var(--muted);margin-bottom:6px}
.prevnext .v{font-size:15px;font-weight:600;color:var(--ink)}

/* ---------- sidebar ---------- */
.side-col{display:block;min-width:0}
.side-card{
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;margin-bottom:20px;box-shadow:var(--sh-1);
}
.side-title{
  font-size:12px;letter-spacing:.1em;font-weight:700;color:var(--muted);
  margin:0 0 14px;
}
.toc-list{list-style:none;margin:0;padding:0;border-left:1px solid var(--hair)}
.toc-list li a{
  display:block;padding:6px 0 6px 14px;font-size:14px;color:var(--ink-2);
  border-left:2px solid transparent;margin-left:-1px;line-height:1.5;
  transition:color var(--t),border-color var(--t);
}
.toc-list li.toc-sub a{padding-left:26px;font-size:13px;color:var(--muted)}
.toc-list li a:hover,.toc-list li a.active{border-left-color:var(--lime);color:var(--ink);font-weight:600}
.toc-empty{font-size:13px;color:var(--muted);padding-left:14px;line-height:1.6}
.hot-list a{
  display:flex;gap:12px;padding:11px 0;border-bottom:1px solid var(--hair);
  font-size:14px;color:var(--ink-2);line-height:1.55;transition:color var(--t);
}
.hot-list a:last-child{border-bottom:0;padding-bottom:0}
.hot-list a:hover{color:var(--ink)}
.hot-num{
  font-family:"Space Grotesk",Inter,system-ui,sans-serif;font-weight:700;
  color:var(--clay);flex-shrink:0;font-size:14px;
}
.side-cta{background:var(--ink);color:rgba(245,243,238,.78);border-color:var(--ink)}
.side-cta .side-title{color:rgba(245,243,238,.6)}
.side-cta h3{color:#fff;font-size:17px;font-weight:700;line-height:1.45;margin-bottom:10px}
.side-cta p{font-size:13px;line-height:1.7;margin-bottom:16px}
.side-cta .btn{width:100%}

/* ---------- sections ---------- */
.section{padding:64px 0}
@media (min-width:1024px){.section{padding:104px 0}}
.section-tight{padding:56px 0}
@media (min-width:1024px){.section-tight{padding:88px 0}}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:20px;flex-wrap:wrap;margin-bottom:34px;
}
.section-head h2{font-size:clamp(24px,3vw,34px);font-weight:700;letter-spacing:-.01em}
.section-head p{margin-top:8px;font-size:15px;color:var(--muted);max-width:600px}
.section-link{font-size:14px;font-weight:600;color:var(--ink);border-bottom:2px solid var(--lime);padding-bottom:2px;transition:color var(--t)}
.section-link:hover{color:var(--clay)}

/* ---------- cards ---------- */
.card-grid{display:grid;gap:24px;grid-template-columns:1fr}
@media (min-width:768px){.card-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.card-grid{grid-template-columns:repeat(3,1fr)}}
.card{
  display:flex;flex-direction:column;background:var(--paper-2);
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);cursor:pointer;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(16,17,18,.2)}
.card-media{overflow:hidden}
.card-media img{width:100%;aspect-ratio:3/2;object-fit:cover;transition:transform 320ms cubic-bezier(.2,.7,.3,1)}
.card:hover .card-media img{transform:scale(1.04)}
.card-body{padding:16px 18px 20px;display:flex;flex-direction:column;gap:10px}
.kicker{font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--clay)}
.card-title{font-size:17px;font-weight:700;line-height:1.45;color:var(--ink)}
.card-text{font-size:14px;color:var(--muted);line-height:1.7}
.card-meta{font-size:12px;color:var(--muted);display:flex;gap:10px;align-items:center;margin-top:auto}

/* ---------- cta band ---------- */
.cta-band{
  background:var(--ink);color:var(--paper);border-radius:24px;
  padding:40px 28px;display:grid;gap:26px;
}
@media (min-width:900px){
  .cta-band{grid-template-columns:1.25fr .75fr;align-items:center;padding:56px 48px;gap:40px}
}
.cta-band h2{color:#fff;font-size:clamp(22px,3vw,34px);letter-spacing:-.01em;line-height:1.25;margin-bottom:12px}
.cta-band p{color:rgba(245,243,238,.72);font-size:15px;max-width:520px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-band .btn-outline{border-color:rgba(245,243,238,.4);color:var(--paper)}
.cta-band .btn-outline:hover{background:var(--paper);color:var(--ink);border-color:var(--paper)}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(245,243,238,.72);padding:64px 0 28px;margin-top:0}
.footer-grid{display:grid;gap:36px;grid-template-columns:1fr}
@media (min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px}}
.footer-brand .logo-text{color:#fff;font-size:18px;font-weight:800;display:inline-block}
.footer-brand p{margin-top:14px;font-size:14px;line-height:1.8;max-width:330px;color:rgba(245,243,238,.66)}
.footer-col h4{color:#fff;font-size:14px;letter-spacing:.06em;margin:0 0 14px}
.footer-col a{display:block;font-size:14px;padding:6px 0;color:rgba(245,243,238,.72);transition:color var(--t),transform var(--t)}
.footer-col a:hover{color:var(--lime);transform:translateX(3px)}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(245,243,238,.14);
  font-size:13px;color:rgba(245,243,238,.55);
}
.footer-social{display:inline-flex;gap:8px}
.footer-social span{
  display:inline-grid;place-items:center;width:28px;height:28px;border-radius:50%;
  border:1px solid rgba(245,243,238,.25);font-size:12px;color:rgba(245,243,238,.7);
}

/* ---------- motion ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 520ms ease,transform 520ms cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  *{animation:none!important;transition:none!important}
}
@media (max-width:1024px){
  .side-col{margin-top:8px}
}

/* roulang page: category1 */
:root{
  --ink:#101112;
  --ink-2:#2A2C2E;
  --paper:#F5F3EE;
  --paper-2:#FFFFFF;
  --lime:#CDF545;
  --clay:#FF5A2D;
  --line:rgba(16,17,18,.12);
  --muted:#8A8D91;
  --body:#3A3D40;
  --hair:#D8D5CE;
  --r-card:18px;
  --r-img:14px;
  --r-input:12px;
  --shadow-1:0 1px 2px rgba(16,17,18,.06);
  --shadow-2:0 12px 32px -12px rgba(16,17,18,.18);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  --font-num:"Space Grotesk",Inter,system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--body);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;}
button,input,textarea,select{font:inherit;color:inherit;}
button{cursor:pointer;background:none;border:none;padding:0;}
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:3px;}

.container{width:100%;max-width:1240px;margin:0 auto;padding-left:20px;padding-right:20px;}
@media (min-width:768px){.container{padding-left:40px;padding-right:40px;}}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:70;
  background:rgba(245,243,238,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 18px -12px rgba(16,17,18,.28);}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  height:68px;
  transition:height .2s var(--ease);
}
.site-header.is-scrolled .header-inner{height:56px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex:none;}
.logo-mark{
  width:32px;height:32px;border-radius:10px;background:var(--ink);
  display:inline-flex;align-items:center;justify-content:center;gap:2px;flex:none;
}
.logo-mark i{display:block;width:3px;border-radius:2px;background:var(--lime);}
.logo-mark i:nth-child(1){height:9px;opacity:.55;}
.logo-mark i:nth-child(2){height:15px;}
.logo-mark i:nth-child(3){height:11px;opacity:.8;}
.logo-text{font-size:16px;font-weight:800;letter-spacing:-.01em;color:var(--ink);white-space:nowrap;}
@media (max-width:400px){.logo-text{font-size:14px;}}

.nav-pills{display:none;align-items:center;gap:6px;}
@media (min-width:1024px){.nav-pills{display:flex;}}
.pill{
  display:inline-flex;align-items:center;
  padding:8px 16px;border-radius:999px;
  border:1px solid var(--line);
  font-size:14px;font-weight:600;color:var(--ink-2);
  background:transparent;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease);
}
.pill:hover{background:var(--ink);color:var(--paper);border-color:var(--ink);transform:translateY(-1px);}
.pill.active{background:var(--ink);color:var(--paper);border-color:var(--ink);}

.header-actions{display:flex;align-items:center;gap:10px;flex:none;}
.icon-btn{
  display:none;width:40px;height:40px;border-radius:999px;
  border:1px solid var(--line);align-items:center;justify-content:center;color:var(--ink-2);
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.icon-btn:hover{background:var(--ink);color:var(--paper);border-color:var(--ink);}
@media (min-width:768px){.icon-btn{display:inline-flex;}}
.header-cta{display:none;}
@media (min-width:1024px){.header-cta{display:inline-flex;}}

.menu-btn{
  display:inline-flex;flex-direction:column;justify-content:center;gap:5px;
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  align-items:center;
}
.menu-btn span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s var(--ease),opacity .2s var(--ease);}
@media (min-width:1024px){.menu-btn{display:none;}}
.menu-btn[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.menu-btn[aria-expanded="true"] span:nth-child(2){opacity:0;}
.menu-btn[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

.mobile-drawer{
  position:fixed;inset:0;z-index:65;
  background:var(--paper);
  padding:88px 24px 32px;
  display:flex;flex-direction:column;
  transform:translateY(-102%);
  transition:transform .3s var(--ease);
  overflow-y:auto;
}
.mobile-drawer.open{transform:translateY(0);}
@media (min-width:1024px){.mobile-drawer{display:none;}}
.drawer-label{font-size:12px;letter-spacing:.14em;font-weight:700;color:var(--muted);margin-bottom:10px;}
.drawer-nav a{
  display:block;padding:16px 4px;font-size:21px;font-weight:700;color:var(--ink);
  border-bottom:1px solid var(--hair);
}
.drawer-nav a.is-active{color:var(--ink);}
.drawer-nav a.is-active::after{content:"当前";margin-left:10px;font-size:12px;font-weight:600;color:var(--ink);background:var(--lime);border-radius:6px;padding:2px 8px;vertical-align:middle;}
.drawer-foot{margin-top:auto;padding-top:28px;}
.drawer-foot p{font-size:14px;color:var(--muted);margin-bottom:16px;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:600;border:1px solid transparent;white-space:nowrap;
  transition:transform .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.btn:disabled,.btn.is-disabled{opacity:.45;pointer-events:none;}
.btn-ink{background:var(--ink);color:var(--paper);}
.btn-ink:hover{background:var(--ink-2);transform:translateY(-2px);}
.btn-lime{background:var(--lime);color:var(--ink);}
.btn-lime:hover{background:#daff63;transform:translateY(-2px);}
.btn-outline{border-color:var(--line);color:var(--ink);background:transparent;}
.btn-outline:hover{background:var(--ink);color:var(--paper);border-color:var(--ink);transform:translateY(-2px);}
.btn-ghost-light{border-color:rgba(245,243,238,.38);color:var(--paper);background:transparent;}
.btn-ghost-light:hover{background:var(--paper);color:var(--ink);border-color:var(--paper);transform:translateY(-2px);}
.btn-sm{min-height:38px;padding:0 18px;font-size:14px;}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--ink);color:var(--paper);overflow:hidden;border-bottom:2px solid var(--lime);}
.hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.42;}
.hero-veil{position:absolute;inset:0;background:linear-gradient(115deg,rgba(16,17,18,.95) 0%,rgba(16,17,18,.8) 46%,rgba(16,17,18,.4) 100%);}
.hero-inner{position:relative;z-index:2;padding-top:48px;padding-bottom:44px;}
@media (min-width:1024px){.hero-inner{padding-top:76px;padding-bottom:62px;}}

.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(245,243,238,.66);margin-bottom:22px;}
.breadcrumb li::after{content:"/";margin-left:8px;color:rgba(245,243,238,.34);}
.breadcrumb li:last-child::after{content:"";margin:0;}
.breadcrumb a{transition:color .18s var(--ease);}
.breadcrumb a:hover{color:var(--lime);}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:700;letter-spacing:.1em;
  padding:5px 12px;border-radius:8px;
}
.tag-lime{background:var(--lime);color:var(--ink);}
.tag-outline{border:1px solid rgba(245,243,238,.34);color:rgba(245,243,238,.9);background:transparent;}
.tag-ink{background:var(--ink);color:var(--paper);}
.tag-soft{background:rgba(16,17,18,.06);color:var(--ink-2);}

.hero h1{
  margin-top:18px;
  font-size:clamp(30px,5vw,58px);
  font-weight:800;
  letter-spacing:-.02em;
  line-height:1.08;
  max-width:19ch;
}
.hero-sub{margin-top:18px;font-size:16px;line-height:1.8;color:rgba(245,243,238,.78);max-width:46ch;}
@media (min-width:1024px){.hero-sub{font-size:17px;}}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px;}

.hero-stats{
  display:grid;grid-template-columns:repeat(2,1fr);gap:20px;
  margin-top:38px;padding-top:26px;border-top:1px solid rgba(245,243,238,.2);
}
@media (min-width:768px){.hero-stats{grid-template-columns:repeat(4,1fr);gap:24px;}}
.hero-stat b{display:block;font-family:var(--font-num);font-size:26px;font-weight:700;color:var(--lime);letter-spacing:-.02em;line-height:1.2;}
.hero-stat span{display:block;margin-top:4px;font-size:13px;color:rgba(245,243,238,.68);}

/* ---------- Sections ---------- */
.section{padding-top:64px;padding-bottom:64px;}
@media (min-width:768px){.section{padding-top:88px;padding-bottom:88px;}}
@media (min-width:1024px){.section{padding-top:112px;padding-bottom:112px;}}
.section-tight{padding-top:44px;padding-bottom:44px;}
@media (min-width:1024px){.section-tight{padding-top:60px;padding-bottom:60px;}}
.section-ink{background:var(--ink);color:var(--paper);}
.section-head{max-width:720px;margin-bottom:36px;}
.section-head h2{
  font-size:clamp(24px,3.4vw,38px);
  font-weight:700;letter-spacing:-.01em;line-height:1.2;color:var(--ink);
  margin-top:14px;
}
.section-ink .section-head h2{color:var(--paper);}
.section-head p{margin-top:14px;font-size:15px;line-height:1.8;color:var(--body);}
.section-ink .section-head p{color:rgba(245,243,238,.72);}

/* ---------- Filter ---------- */
.filter-bar{
  display:flex;gap:8px;align-items:center;
  overflow-x:auto;padding-bottom:6px;margin-bottom:28px;
  scrollbar-width:thin;
}
.chip{
  flex:none;
  padding:8px 18px;border-radius:999px;
  border:1px solid var(--line);background:transparent;
  font-size:14px;font-weight:600;color:var(--ink-2);
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.chip:hover{background:var(--ink);color:var(--paper);border-color:var(--ink);}
.chip.active{background:var(--ink);color:var(--paper);border-color:var(--ink);}

/* ---------- Review cards ---------- */
.review-grid{display:grid;grid-template-columns:1fr;gap:18px;}
@media (min-width:768px){.review-grid{grid-template-columns:repeat(2,1fr);gap:20px;}}
@media (min-width:1024px){.review-grid{grid-template-columns:repeat(3,1fr);gap:22px;}}
.review-card{
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.review-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.review-link{display:flex;flex-direction:column;height:100%;}
.review-media{position:relative;aspect-ratio:16/11;overflow:hidden;background:var(--hair);}
.review-media img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease);}
.review-card:hover .review-media img{transform:scale(1.04);}
.review-media .badge{
  position:absolute;top:12px;left:12px;
  font-size:12px;font-weight:700;letter-spacing:.06em;
  padding:4px 10px;border-radius:8px;background:var(--lime);color:var(--ink);
}
.review-media .badge.dark{background:var(--ink);color:var(--paper);}
.review-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.review-body h3{font-size:18px;font-weight:700;line-height:1.45;color:var(--ink);letter-spacing:-.01em;}
.review-desc{font-size:14px;line-height:1.75;color:var(--body);}
.review-metrics{display:flex;flex-wrap:wrap;gap:8px;margin-top:2px;}
.review-metrics li{
  display:flex;flex-direction:column;gap:2px;
  padding:8px 12px;border-radius:10px;background:rgba(16,17,18,.04);
  min-width:82px;
}
.review-metrics li span{font-size:11px;letter-spacing:.06em;color:var(--muted);}
.review-metrics li b{font-family:var(--font-num);font-size:15px;font-weight:700;color:var(--ink);}
.review-more{
  margin-top:auto;padding-top:6px;
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--ink);
}
.review-more i{font-style:normal;transition:transform .2s var(--ease);}
.review-card:hover .review-more i{transform:translateX(4px);}
@media (min-width:1024px){
  .review-card.wide{grid-column:span 2;}
  .review-card.wide .review-link{flex-direction:row;}
  .review-card.wide .review-media{aspect-ratio:auto;flex:1 1 52%;min-height:260px;}
  .review-card.wide .review-body{flex:1 1 48%;justify-content:center;padding:26px 26px 26px;}
  .review-card.wide .review-body h3{font-size:22px;}
}

/* ---------- Metric cards ---------- */
.metric-grid{display:grid;grid-template-columns:1fr;gap:18px;}
@media (min-width:640px){.metric-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.metric-grid{grid-template-columns:repeat(4,1fr);gap:20px;}}
.metric-card{
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 22px;box-shadow:var(--shadow-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.metric-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.metric-num{font-family:var(--font-num);font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--muted);}
.metric-card h3{margin-top:12px;font-size:19px;font-weight:700;color:var(--ink);}
.metric-card p{margin-top:10px;font-size:14px;line-height:1.75;color:var(--body);}
.metric-bar{margin-top:18px;height:6px;border-radius:999px;background:rgba(16,17,18,.08);overflow:hidden;}
.metric-bar span{display:block;height:100%;background:var(--lime);border-radius:999px;}
.metric-val{display:block;margin-top:10px;font-size:13px;font-weight:600;color:var(--ink-2);}

/* ---------- Steps ---------- */
.step-list{display:grid;grid-template-columns:1fr;gap:0;}
@media (min-width:768px){.step-list{grid-template-columns:repeat(2,1fr);gap:0 32px;}}
@media (min-width:1024px){.step-list{grid-template-columns:repeat(4,1fr);gap:0 28px;}}
.step-item{position:relative;padding:0 0 28px;border-top:2px solid var(--ink);padding-top:22px;}
@media (min-width:768px){.step-item{padding-bottom:34px;}}
.step-idx{font-family:var(--font-num);font-size:34px;font-weight:700;color:var(--ink);letter-spacing:-.03em;line-height:1;}
.step-item h3{margin-top:14px;font-size:18px;font-weight:700;color:var(--ink);}
.step-item p{margin-top:8px;font-size:14px;line-height:1.75;color:var(--body);}
.step-item::after{
  content:"";position:absolute;left:0;bottom:12px;width:36px;height:2px;background:var(--lime);
}
@media (min-width:1024px){.step-item::after{bottom:18px;}}

/* ---------- Rank list ---------- */
.rank-list{border-top:1px solid rgba(245,243,238,.2);}
.rank-row{
  display:grid;grid-template-columns:48px 1fr auto;
  align-items:center;gap:16px;
  padding:20px 6px;border-bottom:1px solid rgba(245,243,238,.14);
  transition:background .18s var(--ease),padding-left .18s var(--ease);
}
.rank-row:hover{background:rgba(245,243,238,.06);padding-left:14px;}
.rank-no{font-family:var(--font-num);font-size:20px;font-weight:700;color:var(--lime);letter-spacing:-.02em;}
.rank-info h3{font-size:16px;font-weight:600;color:var(--paper);line-height:1.5;}
.rank-info span{display:block;margin-top:3px;font-size:13px;color:rgba(245,243,238,.6);}
.rank-score{font-family:var(--font-num);font-size:22px;font-weight:700;color:var(--paper);letter-spacing:-.02em;}
.rank-score small{font-size:12px;color:rgba(245,243,238,.55);font-weight:500;margin-left:2px;}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--hair);max-width:900px;}
.faq-item{border-bottom:1px solid var(--hair);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:flex-start;justify-content:space-between;gap:18px;
  padding:22px 0;font-size:17px;font-weight:600;color:var(--ink);line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-ico{
  flex:none;width:26px;height:26px;border-radius:999px;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:600;color:var(--ink);
  transition:transform .22s var(--ease),background .22s var(--ease);
  margin-top:2px;
}
.faq-item:hover .faq-ico{background:var(--lime);border-color:var(--lime);}
.faq-item[open] .faq-ico{transform:rotate(45deg);background:var(--lime);border-color:var(--lime);}
.faq-body{padding:0 0 24px;font-size:15px;line-height:1.85;color:var(--body);max-width:76ch;}

/* ---------- CTA band ---------- */
.cta-band{background:var(--ink);color:var(--paper);padding-top:56px;padding-bottom:56px;}
@media (min-width:1024px){.cta-band{padding-top:76px;padding-bottom:76px;}}
.cta-inner{display:flex;flex-direction:column;gap:26px;}
@media (min-width:1024px){.cta-inner{flex-direction:row;align-items:center;justify-content:space-between;gap:48px;}}
.cta-inner h2{font-size:clamp(24px,3.2vw,36px);font-weight:700;letter-spacing:-.01em;line-height:1.2;}
.cta-inner p{margin-top:12px;font-size:15px;line-height:1.8;color:rgba(245,243,238,.74);max-width:56ch;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex:none;}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:rgba(245,243,238,.78);padding:56px 0 28px;border-top:1px solid rgba(245,243,238,.14);}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px;}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);gap:34px 28px;}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}}
.footer-brand .logo-text{display:block;font-size:18px;font-weight:800;color:var(--paper);margin-bottom:14px;}
.footer-brand p{font-size:14px;line-height:1.8;max-width:34ch;color:rgba(245,243,238,.66);}
.footer-col h4{font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--paper);margin-bottom:16px;}
.footer-col a{display:block;font-size:14px;line-height:1.6;padding:6px 0;color:rgba(245,243,238,.7);transition:color .18s var(--ease),transform .18s var(--ease);}
.footer-col a:hover{color:var(--lime);transform:translateX(3px);}
.footer-bottom{
  margin-top:42px;padding-top:22px;border-top:1px solid rgba(245,243,238,.14);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(245,243,238,.55);
}
.footer-social{display:inline-flex;gap:8px;}
.footer-social span{
  width:28px;height:28px;border-radius:999px;border:1px solid rgba(245,243,238,.26);
  display:inline-flex;align-items:center;justify-content:center;font-size:12px;color:rgba(245,243,238,.7);
}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease);}
.reveal.in{opacity:1;transform:translateY(0);}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
  *{transition:none !important;animation:none !important;}
}

/* roulang page: category2 */
:root{
  --ink:#101112;
  --ink-2:#2A2C2E;
  --paper:#F5F3EE;
  --paper-2:#FFFFFF;
  --lime:#CDF545;
  --clay:#FF5A2D;
  --line:rgba(16,17,18,.12);
  --muted:#8A8D91;
  --body:#3A3D40;
  --hair:#D8D5CE;
  --r-card:18px;
  --r-img:14px;
  --r-input:12px;
  --shadow-1:0 1px 2px rgba(16,17,18,.06);
  --shadow-2:0 12px 32px -12px rgba(16,17,18,.18);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  --font-num:"Space Grotesk",Inter,system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--body);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:0;background:none}
input,textarea,select{font-family:inherit;font-size:15px;color:var(--ink)}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:var(--lime);color:var(--ink)}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 32px}}
@media(min-width:1024px){.container{padding:0 40px}}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(245,243,238,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s var(--ease),background .2s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--shadow-1);background:rgba(245,243,238,.92);backdrop-filter:saturate(140%) blur(6px)}
.header-inner{
  display:flex;align-items:center;gap:18px;
  height:68px;transition:height .2s var(--ease);
}
.site-header.is-scrolled .header-inner{height:56px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:30px;height:30px;border-radius:9px;background:var(--ink);
  position:relative;flex:0 0 auto;
}
.brand-mark::before{
  content:"";position:absolute;left:6px;right:6px;top:9px;height:3px;border-radius:2px;background:var(--lime);
}
.brand-mark::after{
  content:"";position:absolute;left:6px;right:11px;top:16px;height:3px;border-radius:2px;background:rgba(245,243,238,.7);
}
.logo-text{
  font-family:var(--font-num),var(--font-cn);
  font-size:17px;font-weight:700;color:var(--ink);letter-spacing:-.01em;white-space:nowrap;
}
.nav-pills{display:none;align-items:center;gap:6px;margin-left:auto}
@media(min-width:1024px){.nav-pills{display:flex}}
.pill{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;
  border-radius:999px;border:1px solid var(--line);
  font-size:14px;font-weight:600;color:var(--ink-2);background:transparent;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease);
}
.pill:hover{background:var(--paper-2);border-color:var(--ink);transform:translateY(-1px)}
.pill.active{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
@media(min-width:1024px){.header-actions{margin-left:0}}
.icon-btn{
  width:40px;height:40px;border-radius:999px;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--ink);
  transition:background .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease);
}
.icon-btn:hover{background:var(--paper-2);border-color:var(--ink);transform:translateY(-1px)}
.search-bar{
  display:none;align-items:center;gap:8px;height:40px;padding:0 14px;
  border:1px solid var(--line);border-radius:999px;background:var(--paper-2);
}
.search-bar input{border:0;outline:none;background:transparent;width:120px}
@media(min-width:1280px){.search-bar{display:flex}}
.menu-btn{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;background:var(--paper-2);
}
.menu-btn span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .2s var(--ease),opacity .2s var(--ease)}
@media(min-width:1024px){.menu-btn{display:none}}
.menu-btn.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-btn.open span:nth-child(2){opacity:0}
.menu-btn.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.mobile-drawer{
  position:fixed;inset:68px 0 0 0;z-index:55;
  background:var(--paper);border-top:1px solid var(--line);
  padding:24px 20px 40px;overflow-y:auto;
  transform:translateY(-8px);opacity:0;pointer-events:none;
  transition:opacity .22s var(--ease),transform .22s var(--ease);
}
.mobile-drawer.open{opacity:1;transform:translateY(0);pointer-events:auto}
@media(min-width:1024px){.mobile-drawer{display:none}}
.mobile-drawer a.dr-link{
  display:block;font-size:22px;font-weight:700;color:var(--ink);
  padding:16px 2px;border-bottom:1px solid var(--hair);
}
.mobile-drawer a.dr-link.active{color:var(--ink)}
.mobile-drawer a.dr-link.active::before{
  content:"";display:inline-block;width:8px;height:8px;border-radius:999px;background:var(--lime);
  margin-right:10px;vertical-align:middle;
}
.drawer-foot{margin-top:28px;display:flex;flex-direction:column;gap:12px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;transition:all .18s var(--ease);white-space:nowrap;
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn:disabled{opacity:.45;pointer-events:none}
.btn-sm{min-height:38px;padding:0 18px;font-size:14px}
.btn-dark{background:var(--ink);color:var(--paper)}
.btn-dark:hover{background:var(--ink-2)}
.btn-lime{background:var(--lime);color:var(--ink)}
.btn-lime:hover{background:#d9f75f}
.btn-outline{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-outline:hover{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.btn-light-outline{background:transparent;border-color:rgba(245,243,238,.4);color:var(--paper)}
.btn-light-outline:hover{background:var(--paper);border-color:var(--paper);color:var(--ink)}

/* ---------- 通用 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 10px;border-radius:8px;
  font-size:12px;font-weight:600;letter-spacing:.06em;
  background:var(--ink);color:var(--paper);
}
.badge-lime{background:var(--lime);color:var(--ink)}
.badge-ghost{background:transparent;border:1px solid var(--line);color:var(--ink-2)}
.eyebrow{
  font-family:var(--font-num);font-size:12px;font-weight:600;
  letter-spacing:.16em;color:var(--muted);text-transform:uppercase;
}
.section{padding:64px 0}
@media(min-width:1024px){.section{padding:104px 0}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:34px}
.section-head h2{font-size:clamp(26px,3.4vw,38px);line-height:1.18}
.section-head p{max-width:640px;color:var(--body);font-size:15px}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--ink);
  border-bottom:1px solid var(--ink);padding-bottom:2px;transition:gap .18s var(--ease),opacity .18s var(--ease);
}
.link-arrow:hover{gap:11px;opacity:.75}

/* ---------- 面包屑 ---------- */
.crumb-wrap{border-bottom:1px solid var(--line);background:var(--paper)}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:14px 0;font-size:13px;color:var(--muted)}
.crumb a{color:var(--ink-2);font-weight:600}
.crumb a:hover{color:var(--ink)}
.crumb li{display:inline-flex;align-items:center;gap:8px}
.crumb li:not(:last-child)::after{content:"/";color:var(--hair)}
.crumb li[aria-current]{color:var(--muted)}

/* ---------- 头图 Hero ---------- */
.hero-band{position:relative;overflow:hidden;background:var(--ink)}
.hero-band img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;opacity:.55}
.hero-band .hero-ratio{position:relative;padding-bottom:34%;min-height:230px}
@media(max-width:768px){.hero-band .hero-ratio{padding-bottom:0;min-height:0;height:260px}}
.hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(16,17,18,.88) 0%,rgba(16,17,18,.55) 52%,rgba(16,17,18,.25) 100%);
  display:flex;align-items:center;
}
.hero-inner{width:100%}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 12px;border-radius:999px;
  background:var(--lime);color:var(--ink);font-size:12px;font-weight:700;letter-spacing:.08em;
}
.hero-band h1{
  color:var(--paper);font-size:clamp(30px,4.6vw,54px);font-weight:800;
  letter-spacing:-.02em;line-height:1.08;margin:18px 0 14px;max-width:900px;
}
.hero-band p.lede{color:rgba(245,243,238,.82);font-size:15px;max-width:620px}
.hero-sign{height:2px;background:var(--lime);width:120px;margin-top:26px;border-radius:2px}

/* ---------- 关键数据条 ---------- */
.stat-strip{
  display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;margin-top:-32px;position:relative;z-index:5;
}
@media(min-width:900px){.stat-strip{grid-template-columns:repeat(4,1fr)}}
.stat-cell{background:var(--paper-2);padding:22px 20px}
.stat-cell .num{font-family:var(--font-num);font-size:clamp(24px,3vw,32px);font-weight:700;color:var(--ink);line-height:1.1}
.stat-cell .lbl{font-size:13px;color:var(--muted);margin-top:6px}

/* ---------- 原则卡 ---------- */
.grid-4{display:grid;grid-template-columns:1fr;gap:18px}
@media(min-width:640px){.grid-4{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.grid-4{grid-template-columns:repeat(4,1fr)}}
.card{
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(16,17,18,.2)}
.principle{padding:24px 22px;display:flex;flex-direction:column;gap:12px;height:100%}
.principle .idx{
  width:34px;height:34px;border-radius:10px;background:var(--paper);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-weight:700;font-size:14px;color:var(--ink);
}
.principle h3{font-size:18px}
.principle p{font-size:14px;color:var(--body)}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;padding-left:26px}
@media(min-width:900px){.timeline{padding-left:42px}}
.timeline::before{
  content:"";position:absolute;left:6px;top:8px;bottom:8px;width:2px;background:var(--hair);border-radius:2px;
}
@media(min-width:900px){.timeline::before{left:8px}}
.tl-item{position:relative;padding:0 0 26px}
@media(min-width:900px){.tl-item{padding-bottom:36px}}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-26px;top:26px;width:14px;height:14px;border-radius:999px;
  background:var(--paper);border:2px solid var(--ink);transform:translateY(-50%);
}
@media(min-width:900px){.tl-item::before{left:-42px}}
.tl-item.is-now::before{background:var(--lime);border-color:var(--ink)}
.tl-card{
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 22px 20px;box-shadow:var(--shadow-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.tl-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.tl-top{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:10px}
.tl-step{
  font-family:var(--font-num);font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--ink);
  background:var(--lime);border-radius:999px;padding:3px 12px;
}
.tl-week{font-size:13px;color:var(--muted);font-weight:600}
.tl-card h3{font-size:20px;margin-bottom:8px}
.tl-card p{font-size:15px;color:var(--body)}
.tl-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.chip{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;
  border:1px solid var(--line);font-size:12.5px;font-weight:600;color:var(--ink-2);background:var(--paper);
}
.chip-lime{background:rgba(205,245,69,.35);border-color:rgba(16,17,18,.16)}

/* ---------- 课表 ---------- */
.table-wrap{
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:var(--paper-2);
}
.table-scroll{overflow-x:auto}
table.plan{width:100%;border-collapse:collapse;min-width:640px}
table.plan caption{
  text-align:left;padding:18px 20px;font-size:14px;color:var(--muted);
  border-bottom:1px solid var(--line);
}
table.plan th{
  background:var(--ink);color:var(--paper);font-size:13px;font-weight:600;
  letter-spacing:.06em;text-align:left;padding:14px 18px;white-space:nowrap;
}
table.plan td{
  padding:15px 18px;font-size:14.5px;color:var(--body);
  border-top:1px solid var(--line);border-right:1px solid rgba(16,17,18,.06);
}
table.plan td:last-child{border-right:0}
table.plan tbody tr:nth-child(even) td{background:#FAF9F6}
table.plan tbody tr:hover td{background:rgba(205,245,69,.16)}
table.plan td.day{font-weight:700;color:var(--ink)}
.intensity{display:inline-flex;align-items:center;gap:8px}
.dot{width:8px;height:8px;border-radius:999px;background:var(--lime)}
.dot.mid{background:var(--ink)}
.dot.hard{background:var(--clay)}

/* ---------- 训练类型卡 ---------- */
.grid-3{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:768px){.grid-3{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.grid-3{grid-template-columns:repeat(3,1fr)}}
.media-card{overflow:hidden;display:flex;flex-direction:column;height:100%}
.media-card .thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--paper)}
.media-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.media-card:hover .thumb img{transform:scale(1.04)}
.media-card .thumb .badge{position:absolute;left:14px;top:14px}
.media-card .body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.media-card h3{font-size:19px}
.media-card p{font-size:14px;color:var(--body);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.media-card .foot{margin-top:auto;padding-top:12px;border-top:1px solid var(--hair);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted)}

/* ---------- 进度条块 ---------- */
.progress-block{
  background:var(--ink);color:var(--paper);border-radius:var(--r-card);padding:30px 24px;
  display:grid;gap:26px;
}
@media(min-width:900px){.progress-block{grid-template-columns:1.1fr 1fr;padding:40px 42px;gap:44px}}
.progress-block h2{color:var(--paper);font-size:clamp(24px,3vw,34px);line-height:1.2}
.progress-block p{color:rgba(245,243,238,.75);font-size:15px;margin-top:12px}
.meter{margin-bottom:20px}
.meter:last-child{margin-bottom:0}
.meter .row{display:flex;justify-content:space-between;font-size:13.5px;color:rgba(245,243,238,.85);margin-bottom:8px}
.meter .row b{font-family:var(--font-num);color:var(--lime)}
.meter .bar{height:8px;border-radius:999px;background:rgba(245,243,238,.16);overflow:hidden}
.meter .bar i{display:block;height:100%;background:var(--lime);border-radius:999px}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line)}
.faq-list details{border-bottom:1px solid var(--line)}
.faq-list summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 4px;font-size:17px;font-weight:600;color:var(--ink);
  transition:color .18s var(--ease);
}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary:hover{color:var(--ink-2)}
.faq-icon{
  flex:0 0 auto;width:28px;height:28px;border-radius:999px;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;transition:transform .22s var(--ease),background .22s var(--ease);
}
.faq-list details[open] .faq-icon{transform:rotate(45deg);background:var(--lime);border-color:var(--ink)}
.faq-body{padding:0 4px 22px;font-size:15px;color:var(--body);max-width:840px}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--ink);border-radius:var(--r-card);padding:36px 24px;
  display:flex;flex-direction:column;gap:24px;
}
@media(min-width:900px){.cta-band{flex-direction:row;align-items:center;justify-content:space-between;padding:48px 48px}}
.cta-band h2{color:var(--paper);font-size:clamp(24px,3.2vw,36px);line-height:1.2}
.cta-band p{color:rgba(245,243,238,.75);font-size:15px;margin-top:12px;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(245,243,238,.78);margin-top:64px;padding:56px 0 26px}
@media(min-width:1024px){.site-footer{padding:72px 0 28px;margin-top:104px}}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px}
@media(min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px}}
.footer-brand .logo-text{color:var(--paper);font-size:19px;display:inline-block}
.footer-brand p{margin-top:14px;font-size:14px;max-width:320px;color:rgba(245,243,238,.66)}
.footer-col h4{color:var(--paper);font-size:14px;letter-spacing:.08em;margin-bottom:14px;font-weight:600}
.footer-col a{display:block;font-size:14px;padding:6px 0;color:rgba(245,243,238,.72);transition:color .18s var(--ease),transform .18s var(--ease)}
.footer-col a:hover{color:var(--lime);transform:translateX(3px)}
.footer-bottom{
  margin-top:42px;padding-top:20px;border-top:1px solid rgba(245,243,238,.14);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(245,243,238,.55);
}
.footer-social{display:inline-flex;gap:8px}
.footer-social span{
  width:28px;height:28px;border-radius:8px;border:1px solid rgba(245,243,238,.24);
  display:inline-flex;align-items:center;justify-content:center;font-size:12px;color:rgba(245,243,238,.7);
}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  *{transition:none!important;animation:none!important}
}

/* roulang page: category3 */
:root{
  --ink:#101112;
  --ink-2:#2A2C2E;
  --paper:#F5F3EE;
  --paper-2:#FFFFFF;
  --lime:#CDF545;
  --clay:#FF5A2D;
  --line:rgba(16,17,18,.12);
  --muted:#8A8D91;
  --body:#3A3D40;
  --hair:#D8D5CE;
  --r-card:18px;
  --r-img:14px;
  --r-btn:999px;
  --sh-1:0 1px 2px rgba(16,17,18,.06);
  --sh-2:0 12px 32px -12px rgba(16,17,18,.18);
  --t:200ms cubic-bezier(.2,.7,.3,1);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  --font-num:"Space Grotesk",Inter,system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--body);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ---------- 容器 ---------- */
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){.container{padding:0 40px}}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(245,243,238,.94);
  border-bottom:1px solid var(--line);
  transition:height var(--t),box-shadow var(--t),background var(--t);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:68px;transition:height var(--t)}
.site-header.is-compact{box-shadow:0 8px 24px -18px rgba(16,17,18,.35)}
.site-header.is-compact .header-inner{height:56px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:34px;height:34px;border-radius:11px;background:var(--ink);
  position:relative;display:inline-block;flex:0 0 auto;
}
.logo-mark::before,.logo-mark::after{
  content:"";position:absolute;left:8px;right:8px;height:3px;border-radius:2px;background:var(--lime);
}
.logo-mark::before{top:11px}
.logo-mark::after{top:19px;opacity:.5}
.logo-text{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:-.02em;white-space:nowrap}
.nav-pills{
  display:flex;align-items:center;gap:4px;
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  padding:5px;
}
.pill{
  display:inline-block;padding:9px 15px;border-radius:var(--r-btn);
  font-size:14px;font-weight:600;color:var(--ink-2);white-space:nowrap;
  transition:background var(--t),color var(--t),transform var(--t);
}
.pill:hover{background:rgba(16,17,18,.06)}
.pill.active{background:var(--ink);color:var(--paper)}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.menu-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:14px;border:1px solid var(--line);
  background:var(--paper-2);cursor:pointer;transition:background var(--t)
}
.menu-toggle:hover{background:#EDEAE3}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative}
.menu-toggle span::before,.menu-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform var(--t)
}
.menu-toggle span::before{top:-6px}
.menu-toggle span::after{top:6px}
.mobile-drawer{
  position:fixed;left:0;right:0;top:68px;bottom:0;z-index:55;
  background:var(--paper);
  padding:24px 20px 32px;
  transform:translateY(-12px);opacity:0;visibility:hidden;
  transition:opacity var(--t),transform var(--t),visibility var(--t);
  overflow-y:auto;
  border-top:1px solid var(--line);
}
.mobile-drawer.is-open{transform:translateY(0);opacity:1;visibility:visible}
.drawer-link{
  display:block;padding:16px 4px;font-size:20px;font-weight:700;color:var(--ink);
  border-bottom:1px solid var(--hair);
}
.drawer-link.active{color:var(--ink);border-bottom-color:var(--lime)}
.drawer-foot{margin-top:26px;display:grid;gap:12px}
.drawer-note{font-size:13px;color:var(--muted)}
@media (max-width:1023px){
  .nav-pills{display:none}
  .menu-toggle{display:inline-flex}
  .header-cta{display:none}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  cursor:pointer;text-align:center;
  transition:transform var(--t),background var(--t),color var(--t),border-color var(--t),box-shadow var(--t);
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}
.btn-dark{background:var(--ink);color:var(--paper)}
.btn-dark:hover{box-shadow:var(--sh-2)}
.btn-lime{background:var(--lime);color:var(--ink)}
.btn-lime:hover{box-shadow:0 12px 28px -14px rgba(120,150,20,.85)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.btn-sm{min-height:38px;padding:0 18px;font-size:13.5px}

/* ---------- 面包屑 ---------- */
.crumbs{padding:22px 0 8px}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.crumbs li+li::before{content:"/";margin-right:8px;color:var(--hair)}
.crumbs a:hover{color:var(--ink)}
.crumbs li[aria-current]{color:var(--ink-2);font-weight:600}

/* ---------- Hero ---------- */
.hero-cat{padding:16px 0 0}
.hero-grid{align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-num);font-size:12px;font-weight:600;
  letter-spacing:.14em;text-transform:uppercase;color:var(--ink-2);
  background:var(--paper-2);border:1px solid var(--line);
  padding:7px 14px;border-radius:var(--r-btn);
}
.eyebrow::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--lime);display:inline-block}
.hero-title{
  margin-top:22px;
  font-size:clamp(34px,5vw,58px);
  font-weight:800;line-height:1.05;letter-spacing:-.02em;
}
.hero-sub{margin-top:16px;font-size:18px;font-weight:600;color:var(--ink-2)}
.hero-lead{margin-top:14px;max-width:620px;font-size:15.5px;color:var(--body)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,1fr);gap:16px;
  margin-top:36px;padding-top:24px;border-top:1px solid var(--line);
}
.stat-num{font-family:var(--font-num);font-size:30px;font-weight:700;color:var(--ink);letter-spacing:-.02em;line-height:1.1}
.stat-num em{font-style:normal;color:var(--clay)}
.stat-label{margin-top:6px;font-size:13px;color:var(--muted)}
.hero-media{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--sh-1);background:var(--paper-2);
  margin-top:36px;
}
.hero-media img{width:100%;height:100%;aspect-ratio:16/11;object-fit:cover;transition:transform 220ms cubic-bezier(.2,.7,.3,1)}
.hero-media:hover img{transform:scale(1.04)}
.hero-media-tag{
  position:absolute;left:16px;bottom:16px;
  background:rgba(16,17,18,.86);color:var(--paper);
  font-size:12.5px;font-weight:600;padding:8px 14px;border-radius:var(--r-btn);
}
.hero-rule{height:1px;background:var(--lime);margin-top:44px}
@media (min-width:1024px){
  .hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px}
  .hero-media{margin-top:0}
  .hero-rule{margin-top:64px}
}

/* ---------- 板块通用 ---------- */
.section{padding:64px 0}
@media (min-width:1024px){.section{padding:104px 0}}
.section-tight{padding:56px 0}
.section-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:16px;margin-bottom:32px;
}
.section-kicker{
  font-family:var(--font-num);font-size:12px;font-weight:600;letter-spacing:.14em;
  text-transform:uppercase;color:var(--muted);margin-bottom:10px;
}
.section-title{font-size:clamp(24px,3vw,36px);font-weight:700;letter-spacing:-.02em;line-height:1.2}
.section-desc{margin-top:10px;max-width:640px;font-size:15px;color:var(--body)}
.section-more{
  font-size:14px;font-weight:600;color:var(--ink);
  border-bottom:1px solid var(--ink);padding-bottom:3px;transition:opacity var(--t)
}
.section-more:hover{opacity:.6}

/* ---------- 卡片 ---------- */
.card{
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(16,17,18,.2)}
.card-num{
  font-family:var(--font-num);font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--muted);
}
.card-title{margin-top:14px;font-size:20px;font-weight:600}
.card-text{margin-top:10px;font-size:14.5px;color:var(--body)}
.card-mark{
  width:42px;height:42px;border-radius:14px;background:var(--lime);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-weight:700;color:var(--ink);font-size:16px;
}

/* ---------- 编号目录 ---------- */
.catalog{border-top:1px solid var(--ink)}
.catalog-group{
  padding:30px 0;border-bottom:1px solid var(--hair);
  display:grid;grid-template-columns:1fr;gap:14px;
}
@media (min-width:1024px){
  .catalog-group{grid-template-columns:230px 1fr;gap:44px;padding:38px 0}
}
.group-num{
  font-family:var(--font-num);font-size:44px;font-weight:700;
  color:var(--ink);letter-spacing:-.03em;line-height:1;
}
.group-title{margin-top:10px;font-size:22px;font-weight:700}
.group-note{margin-top:8px;font-size:13.5px;color:var(--muted)}
.row-list{display:flex;flex-direction:column}
.row-item{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:15px 6px;border-bottom:1px solid var(--hair);
  transition:background var(--t),padding-left var(--t);
}
.row-item:last-child{border-bottom:0}
.row-item:hover{background:var(--paper-2);padding-left:14px}
.row-main{display:flex;flex-direction:column;gap:3px;min-width:0}
.row-title{font-size:16px;font-weight:600;color:var(--ink)}
.row-desc{font-size:13.5px;color:var(--muted)}
.row-arrow{
  font-family:var(--font-num);font-size:15px;color:var(--ink);
  transition:transform var(--t);flex:0 0 auto;
}
.row-item:hover .row-arrow{transform:translateX(4px)}

/* ---------- 对比表 ---------- */
.table-wrap{
  overflow-x:auto;background:var(--paper-2);
  border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);
  -webkit-overflow-scrolling:touch;
}
.compare-table{width:100%;min-width:780px;border-collapse:collapse;font-size:14.5px}
.compare-table thead th{
  background:var(--ink);color:var(--paper);text-align:left;
  padding:16px 18px;font-size:13.5px;font-weight:600;letter-spacing:.03em;white-space:nowrap;
}
.compare-table tbody td{
  padding:15px 18px;border-top:1px solid var(--line);color:var(--body);vertical-align:top;
}
.compare-table tbody tr:nth-child(even){background:#FAF8F3}
.compare-table tbody tr:hover{background:#F0EDE5}
.compare-table td:first-child{font-weight:600;color:var(--ink);white-space:nowrap}
.compare-table td .price{font-family:var(--font-num);font-weight:700;color:var(--clay);white-space:nowrap}
.table-note{margin-top:14px;font-size:13px;color:var(--muted)}

/* ---------- 场景卡 ---------- */
.scene-card{
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t);
  display:flex;flex-direction:column;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.scene-card img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform 220ms cubic-bezier(.2,.7,.3,1)}
.scene-card:hover img{transform:scale(1.04)}
.scene-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:8px;flex:1}
.scene-tag{
  align-self:flex-start;font-size:12px;font-weight:600;letter-spacing:.06em;
  background:rgba(205,245,69,.5);color:var(--ink);padding:4px 10px;border-radius:8px;
}
.scene-title{font-size:17px;font-weight:600}
.scene-text{font-size:14px;color:var(--body)}

/* ---------- 步骤 ---------- */
.step{
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 22px;box-shadow:var(--sh-1);position:relative;
  transition:transform var(--t),box-shadow var(--t);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.step-num{
  font-family:var(--font-num);font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--ink);
  background:var(--lime);border-radius:8px;padding:4px 10px;display:inline-block;
}
.step-title{margin-top:16px;font-size:18px;font-weight:600}
.step-text{margin-top:8px;font-size:14px;color:var(--body)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px}
.faq-item{border-bottom:1px solid var(--hair)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:20px;padding:22px 4px;font-size:17px;font-weight:600;color:var(--ink);
  transition:color var(--t);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--ink-2)}
.faq-icon{
  flex:0 0 auto;width:30px;height:30px;border-radius:50%;
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-size:16px;line-height:1;color:var(--ink);
  transition:transform var(--t),background var(--t),border-color var(--t);
}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:var(--lime);border-color:var(--lime)}
.faq-body{padding:0 4px 24px;font-size:15px;color:var(--body);max-width:760px}

/* ---------- 深色 CTA ---------- */
.cta-band{
  background:var(--ink);color:var(--paper);
  border-radius:24px;padding:44px 26px;
}
@media (min-width:1024px){.cta-band{padding:60px 56px}}
.cta-title{color:var(--paper);font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.25;letter-spacing:-.02em}
.cta-text{color:rgba(245,243,238,.75);margin-top:14px;font-size:15px;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.cta-band .btn-ghost{border-color:rgba(245,243,238,.3);color:var(--paper)}
.cta-band .btn-ghost:hover{background:var(--paper);color:var(--ink);border-color:var(--paper)}
.cta-links{margin-top:36px;display:grid;gap:0}
@media (min-width:768px){.cta-links{grid-template-columns:repeat(3,1fr);gap:0 32px}}
.cta-link{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:16px 4px;border-top:1px solid rgba(245,243,238,.16);
  color:var(--paper);font-size:15px;font-weight:600;
  transition:transform var(--t),opacity var(--t);
}
.cta-link:hover{transform:translateX(4px);opacity:.85}
.cta-link small{display:block;font-size:12.5px;font-weight:400;color:rgba(245,243,238,.6);margin-top:2px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(245,243,238,.78);margin-top:64px;padding:56px 0 28px}
@media (min-width:1024px){.site-footer{margin-top:104px;padding:72px 0 32px}}
.footer-grid{display:grid;gap:34px;grid-template-columns:1fr}
@media (min-width:768px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}}
.footer-brand .logo-text{display:block;font-size:19px;font-weight:800;color:var(--paper);letter-spacing:-.02em}
.footer-brand p{margin-top:14px;font-size:14px;line-height:1.8;max-width:340px;color:rgba(245,243,238,.68)}
.footer-col h4{color:var(--paper);font-size:14px;font-weight:700;letter-spacing:.06em;margin-bottom:16px}
.footer-col a{display:block;padding:6px 0;font-size:14px;color:rgba(245,243,238,.72);transition:color var(--t),transform var(--t)}
.footer-col a:hover{color:var(--lime);transform:translateX(3px)}
.footer-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid rgba(245,243,238,.14);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(245,243,238,.55);
}
.footer-social{display:inline-flex;gap:8px}
.footer-social span{
  width:30px;height:30px;border-radius:50%;border:1px solid rgba(245,243,238,.24);
  display:inline-flex;align-items:center;justify-content:center;font-size:12px;color:rgba(245,243,238,.7);
}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s cubic-bezier(.2,.7,.3,1),transform .6s cubic-bezier(.2,.7,.3,1)}
.reveal.is-visible{opacity:1;transform:none}

@media (max-width:520px){
  .hero-stats{grid-template-columns:1fr;gap:12px}
  .stat-num{font-size:26px}
  .row-item{align-items:flex-start}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: category4 */
:root{
    --ink:#101112;
    --ink-2:#2A2C2E;
    --paper:#F5F3EE;
    --paper-2:#FFFFFF;
    --lime:#CDF545;
    --clay:#FF5A2D;
    --line:rgba(16,17,18,.12);
    --muted:#8A8D91;
    --body:#3A3D40;
    --hair:#D8D5CE;
    --r-card:18px;
    --r-img:14px;
    --r-input:12px;
    --sh-1:0 1px 2px rgba(16,17,18,.06);
    --sh-2:0 12px 32px -12px rgba(16,17,18,.18);
    --ease:cubic-bezier(.2,.7,.3,1);
    --hdr:68px;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--paper);
    color:var(--body);
    font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
    font-size:15px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;transition:color .18s var(--ease),background-color .18s var(--ease),border-color .18s var(--ease);}
  button{font:inherit;color:inherit;background:none;border:none;cursor:pointer;}
  input,textarea,select{font:inherit;}
  h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
  ul,ol{padding:0;list-style:none;}
  ::selection{background:var(--lime);color:var(--ink);}
  :focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px;}

  .num{font-family:"Space Grotesk",Inter,system-ui,sans-serif;font-variant-numeric:tabular-nums;}

  .container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}
  @media (min-width:1024px){.container{padding:0 40px;}}

  /* ============ Header ============ */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(245,243,238,.94);
    border-bottom:1px solid var(--line);
    transition:box-shadow .2s var(--ease),background-color .2s var(--ease);
  }
  .site-header.scrolled{box-shadow:0 6px 20px -16px rgba(16,17,18,.45);}
  .header-inner{display:flex;align-items:center;gap:20px;height:var(--hdr);transition:height .2s var(--ease);}
  .site-header.scrolled .header-inner{height:56px;}

  .brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
  .brand-mark{
    width:34px;height:34px;border-radius:11px;background:var(--ink);
    display:flex;align-items:center;justify-content:center;flex-shrink:0;
    transition:transform .2s var(--ease);
  }
  .brand:hover .brand-mark{transform:rotate(-6deg);}
  .brand-mark svg{width:18px;height:18px;display:block;}
  .logo-text{
    font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--ink);white-space:nowrap;
  }

  .nav-pills{display:flex;align-items:center;gap:6px;margin-left:8px;}
  .pill{
    display:inline-flex;align-items:center;
    padding:8px 16px;border-radius:999px;border:1px solid var(--line);
    font-size:14px;font-weight:500;color:var(--ink-2);background:transparent;
    white-space:nowrap;
  }
  .pill:hover{background:var(--paper-2);color:var(--ink);border-color:rgba(16,17,18,.24);}
  .pill.active{background:var(--ink);color:var(--paper);border-color:var(--ink);}

  .header-actions{margin-left:auto;display:flex;align-items:center;gap:10px;}
  .icon-btn{
    width:38px;height:38px;border-radius:999px;border:1px solid var(--line);
    display:flex;align-items:center;justify-content:center;background:transparent;
    transition:background-color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease);
  }
  .icon-btn:hover{background:var(--paper-2);border-color:rgba(16,17,18,.24);transform:translateY(-1px);}
  .icon-btn svg{width:17px;height:17px;}

  .hamburger{
    display:none;width:38px;height:38px;border-radius:999px;border:1px solid var(--line);
    flex-direction:column;align-items:center;justify-content:center;gap:4px;
  }
  .hamburger span{display:block;width:16px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s var(--ease),opacity .2s var(--ease);}
  .hamburger.open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
  .hamburger.open span:nth-child(2){opacity:0;}
  .hamburger.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

  /* ============ Buttons ============ */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    min-height:44px;padding:0 26px;border-radius:999px;
    font-size:15px;font-weight:600;letter-spacing:.01em;
    transition:transform .18s var(--ease),background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease);
  }
  .btn-primary{background:var(--ink);color:var(--paper);}
  .btn-primary:hover{background:#000;transform:translateY(-2px);box-shadow:var(--sh-2);}
  .btn-lime{background:var(--lime);color:var(--ink);}
  .btn-lime:hover{background:#c2ee2f;transform:translateY(-2px);box-shadow:0 12px 28px -14px rgba(16,17,18,.5);}
  .btn-ghost{background:transparent;border:1px solid var(--line);color:var(--ink);}
  .btn-ghost:hover{background:var(--ink);color:var(--paper);border-color:var(--ink);transform:translateY(-2px);}
  .btn-ghost-light{background:transparent;border:1px solid rgba(245,243,238,.42);color:var(--paper);}
  .btn-ghost-light:hover{background:var(--paper);color:var(--ink);border-color:var(--paper);transform:translateY(-2px);}
  .btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}

  .tag{
    display:inline-flex;align-items:center;gap:6px;
    padding:5px 12px;border-radius:8px;font-size:12px;font-weight:600;letter-spacing:.06em;
    background:var(--lime);color:var(--ink);
  }
  .tag-outline{background:transparent;border:1px solid var(--line);color:var(--ink-2);letter-spacing:.04em;}
  .tag-dark{background:rgba(16,17,18,.86);color:var(--paper);}

  /* ============ Hero ============ */
  .hero{position:relative;overflow:hidden;background:var(--ink);}
  .hero-photo{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.42;}
  .hero-veil{
    position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(16,17,18,.72) 0%,rgba(16,17,18,.86) 62%,rgba(16,17,18,.96) 100%);
  }
  .hero-content{position:relative;padding-top:56px;padding-bottom:64px;}
  @media (min-width:1024px){.hero-content{padding-top:78px;padding-bottom:96px;}}
  .crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(245,243,238,.62);margin-bottom:26px;}
  .crumbs li{display:flex;align-items:center;gap:8px;}
  .crumbs li::after{content:"/";color:rgba(245,243,238,.32);}
  .crumbs li:last-child::after{display:none;}
  .crumbs a:hover{color:var(--lime);}
  .crumbs .is-current{color:rgba(245,243,238,.92);}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:12px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;
    color:var(--lime);margin-bottom:18px;
  }
  .eyebrow::before{content:"";width:26px;height:2px;background:var(--lime);display:block;}
  .hero h1{
    color:var(--paper);
    font-size:clamp(32px,5vw,62px);
    font-weight:800;letter-spacing:-.02em;line-height:1.06;
    max-width:15em;
  }
  .hero-sub{
    margin-top:16px;color:var(--lime);font-size:16px;font-weight:600;letter-spacing:.02em;
  }
  .hero-desc{
    margin-top:18px;max-width:640px;color:rgba(245,243,238,.76);font-size:15px;line-height:1.85;
  }
  .hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px;}
  .hero-signature{height:2px;background:var(--lime);width:100%;}

  /* ============ Sections ============ */
  .section{padding:64px 0;}
  @media (min-width:1024px){.section{padding:104px 0;}}
  .section-tight{padding:52px 0;}
  @media (min-width:1024px){.section-tight{padding:76px 0;}}

  .section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:34px;}
  .section-head h2{
    font-size:clamp(24px,3.4vw,38px);font-weight:700;letter-spacing:-.01em;color:var(--ink);line-height:1.2;
  }
  .section-head p{margin-top:10px;color:var(--muted);font-size:14px;max-width:620px;}
  .link-more{font-size:14px;font-weight:600;color:var(--ink);border-bottom:2px solid var(--lime);padding-bottom:2px;}
  .link-more:hover{color:var(--clay);border-color:var(--clay);}

  /* ============ Stats ============ */
  .stats-band{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
  .stats-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--line);}
  @media (min-width:900px){.stats-grid{grid-template-columns:repeat(4,minmax(0,1fr));}}
  .stat{background:var(--paper-2);padding:26px 22px;}
  .stat dt{font-size:12px;font-weight:600;letter-spacing:.1em;color:var(--muted);text-transform:uppercase;}
  .stat dd{margin:8px 0 0;font-size:clamp(26px,3.4vw,40px);font-weight:800;color:var(--ink);letter-spacing:-.02em;line-height:1.1;}
  .stat dd small{font-size:14px;font-weight:600;color:var(--muted);margin-left:4px;}
  .stat .bar{height:2px;background:var(--hair);margin-top:16px;position:relative;overflow:hidden;}
  .stat .bar i{position:absolute;left:0;top:0;bottom:0;background:var(--lime);display:block;}

  /* ============ Review masonry ============ */
  .masonry{column-count:1;column-gap:20px;}
  @media (min-width:768px){.masonry{column-count:2;}}
  @media (min-width:1080px){.masonry{column-count:3;}}
  .review{
    break-inside:avoid;background:var(--paper-2);border:1px solid var(--line);
    border-radius:var(--r-card);padding:22px;margin-bottom:20px;box-shadow:var(--sh-1);
    transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
  }
  .review:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(16,17,18,.2);}
  .review-top{display:flex;align-items:center;gap:12px;}
  .avatar{
    width:40px;height:40px;border-radius:999px;flex-shrink:0;
    display:flex;align-items:center;justify-content:center;
    font-size:15px;font-weight:700;color:var(--ink);background:var(--lime);
  }
  .avatar.alt{background:#E4E0D7;}
  .avatar.alt2{background:var(--ink);color:var(--paper);}
  .review-name{font-size:15px;font-weight:600;color:var(--ink);line-height:1.35;}
  .review-meta{font-size:12px;color:var(--muted);letter-spacing:.02em;}
  .stars{display:inline-flex;gap:2px;margin-left:auto;flex-shrink:0;}
  .stars i{font-style:normal;font-size:12px;color:var(--clay);letter-spacing:1px;}
  .review-text{margin-top:14px;font-size:14.5px;line-height:1.8;color:var(--body);}
  .review-figure{margin-top:14px;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);}
  .review-figure img{width:100%;height:170px;object-fit:cover;transition:transform .25s var(--ease);}
  .review:hover .review-figure img{transform:scale(1.04);}
  .review-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:16px;padding-top:14px;border-top:1px solid var(--hair);}
  .chip{font-size:12px;font-weight:600;color:var(--ink-2);background:var(--paper);border:1px solid var(--line);border-radius:8px;padding:4px 10px;}
  .helpful{font-size:12.5px;color:var(--muted);display:inline-flex;align-items:center;gap:6px;}
  .helpful:hover{color:var(--ink);}
  .helpful svg{width:14px;height:14px;}

  /* ============ FAQ ============ */
  .faq-list{border-top:1px solid var(--hair);max-width:900px;}
  .faq-item{border-bottom:1px solid var(--hair);}
  .faq-item summary{
    list-style:none;cursor:pointer;display:flex;align-items:center;gap:16px;
    padding:22px 4px;font-size:17px;font-weight:600;color:var(--ink);
    transition:color .18s var(--ease);
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary:hover{color:var(--ink-2);}
  .faq-index{font-size:12px;font-weight:700;color:var(--muted);letter-spacing:.1em;flex-shrink:0;width:26px;}
  .faq-icon{
    margin-left:auto;flex-shrink:0;width:22px;height:22px;position:relative;
    transition:transform .22s var(--ease);
  }
  .faq-icon::before,.faq-icon::after{
    content:"";position:absolute;background:var(--ink);border-radius:2px;
  }
  .faq-icon::before{left:0;right:0;top:10px;height:2px;}
  .faq-icon::after{top:0;bottom:0;left:10px;width:2px;}
  .faq-item[open] .faq-icon{transform:rotate(45deg);}
  .faq-body{padding:0 4px 24px 42px;font-size:15px;color:var(--body);line-height:1.85;max-width:760px;}

  /* ============ Form ============ */
  .form-shell{
    background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-card);
    padding:28px 22px;box-shadow:var(--sh-1);
  }
  @media (min-width:768px){.form-shell{padding:40px;}}
  .form-grid{display:grid;grid-template-columns:1fr;gap:22px;}
  @media (min-width:768px){.form-grid{grid-template-columns:1fr 1fr;}.form-grid .span-2{grid-column:1 / -1;}}
  .form-field label{display:block;font-size:13px;font-weight:600;color:var(--ink);margin-bottom:8px;letter-spacing:.02em;}
  .input{
    width:100%;background:var(--paper-2);border:1px solid var(--line);
    border-radius:var(--r-input);padding:12px 14px;font-size:15px;color:var(--ink);
    transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
  }
  .input::placeholder{color:#A9ACB0;}
  .input:focus{outline:none;border-color:var(--ink);box-shadow:0 0 0 2px var(--lime);}
  textarea.input{min-height:130px;resize:vertical;line-height:1.75;}
  .err{display:block;min-height:18px;margin-top:6px;font-size:13px;color:var(--clay);}
  .hint{display:block;margin-top:6px;font-size:12.5px;color:var(--muted);}

  .rate-row{display:flex;align-items:center;gap:6px;}
  .star-btn{width:38px;height:38px;display:flex;align-items:center;justify-content:center;border-radius:10px;transition:background-color .18s var(--ease),transform .18s var(--ease);}
  .star-btn:hover{background:var(--paper);transform:translateY(-2px);}
  .star-btn svg{width:24px;height:24px;fill:#D8D5CE;transition:fill .18s var(--ease);}
  .star-btn.on svg{fill:var(--clay);}
  .rate-value{font-size:13px;color:var(--muted);margin-left:6px;}

  .form-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:6px;}
  .form-note{font-size:12.5px;color:var(--muted);}
  .form-success{
    display:none;margin-top:18px;padding:14px 16px;border-radius:12px;
    background:rgba(205,245,69,.35);border:1px solid rgba(16,17,18,.14);
    font-size:14px;font-weight:600;color:var(--ink);
  }
  .form-success.show{display:block;}

  /* ============ CTA band ============ */
  .cta-band{background:var(--ink);color:var(--paper);border-radius:0;}
  .cta-inner{display:grid;grid-template-columns:1fr;gap:28px;padding:56px 0;}
  @media (min-width:1024px){.cta-inner{grid-template-columns:1.2fr 1fr;align-items:center;padding:72px 0;}}
  .cta-inner h2{font-size:clamp(24px,3.4vw,38px);font-weight:700;letter-spacing:-.01em;color:var(--paper);line-height:1.22;}
  .cta-inner p{margin-top:14px;color:rgba(245,243,238,.72);max-width:560px;font-size:15px;}
  .cta-buttons{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
  .cta-rows{border-top:1px solid rgba(245,243,238,.18);}
  .cta-rows a{
    display:flex;align-items:center;gap:14px;padding:18px 4px;
    border-bottom:1px solid rgba(245,243,238,.18);
    transition:transform .18s var(--ease),color .18s var(--ease);
  }
  .cta-rows a:hover{transform:translateX(4px);color:var(--lime);}
  .cta-rows .row-icon{
    width:34px;height:34px;border-radius:10px;background:rgba(245,243,238,.08);
    display:flex;align-items:center;justify-content:center;flex-shrink:0;
  }
  .cta-rows .row-icon svg{width:16px;height:16px;}
  .cta-rows .row-name{font-size:15px;font-weight:600;}
  .cta-rows .row-desc{font-size:12.5px;color:rgba(245,243,238,.55);}
  .cta-rows .arrow{margin-left:auto;font-size:16px;color:rgba(245,243,238,.5);}

  /* ============ Panels ============ */
  .panel{
    background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-card);
    padding:24px;box-shadow:var(--sh-1);
  }
  .topic-list{display:grid;grid-template-columns:1fr;gap:0;}
  .topic-list a{
    display:flex;align-items:center;gap:14px;padding:16px 4px;border-bottom:1px solid var(--hair);
  }
  .topic-list a:last-child{border-bottom:none;}
  .topic-list a:hover{background:var(--paper);}
  .topic-list .idx{font-size:13px;font-weight:700;color:var(--muted);width:28px;flex-shrink:0;}
  .topic-list .t{font-size:15px;font-weight:600;color:var(--ink);}
  .topic-list .d{font-size:12.5px;color:var(--muted);}
  .topic-list .arrow{margin-left:auto;color:var(--muted);}

  /* ============ Footer ============ */
  .site-footer{background:var(--ink);color:rgba(245,243,238,.78);padding:56px 0 28px;margin-top:0;}
  .footer-grid{display:grid;grid-template-columns:1fr;gap:34px;}
  @media (min-width:768px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr;gap:28px;}}
  .footer-brand .logo-text{display:block;color:var(--paper);font-size:18px;font-weight:800;margin-bottom:14px;}
  .footer-brand p{font-size:14px;line-height:1.85;color:rgba(245,243,238,.62);max-width:360px;}
  .footer-col h4{font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--paper);margin-bottom:16px;text-transform:uppercase;}
  .footer-col a{display:block;font-size:14px;color:rgba(245,243,238,.68);padding:6px 0;}
  .footer-col a:hover{color:var(--lime);}
  .footer-bottom{
    margin-top:44px;padding-top:22px;border-top:1px solid rgba(245,243,238,.16);
    display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
    font-size:13px;color:rgba(245,243,238,.5);
  }
  .footer-social{display:inline-flex;gap:8px;}
  .footer-social span{
    width:28px;height:28px;border-radius:8px;border:1px solid rgba(245,243,238,.24);
    display:flex;align-items:center;justify-content:center;font-size:12px;color:rgba(245,243,238,.7);
  }

  /* ============ Reveal ============ */
  .reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease);}
  .reveal.in{opacity:1;transform:none;}

  /* ============ Mobile nav ============ */
  @media (max-width:1023px){
    :root{--hdr:64px;}
    .hamburger{display:flex;}
    .header-actions .header-cta{display:none;}
    .nav-pills{
      position:fixed;left:0;right:0;top:var(--hdr);
      flex-direction:column;align-items:stretch;gap:0;margin:0;
      background:var(--paper);border-bottom:1px solid var(--line);
      padding:14px 20px 26px;
      max-height:calc(100vh - var(--hdr));overflow-y:auto;
      opacity:0;visibility:hidden;transform:translateY(-10px);
      transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;
      box-shadow:0 20px 40px -28px rgba(16,17,18,.5);
    }
    .nav-pills.open{opacity:1;visibility:visible;transform:none;}
    .pill{
      border:none;border-bottom:1px solid var(--hair);border-radius:0;
      padding:16px 4px;font-size:19px;font-weight:600;color:var(--ink);
    }
    .pill:last-child{border-bottom:none;}
    .pill:hover{background:transparent;color:var(--clay);}
    .pill.active{background:transparent;color:var(--ink);border-color:var(--hair);}
    .pill.active::before{content:"";width:18px;height:2px;background:var(--lime);display:block;margin-right:10px;}
    .pill.active{display:flex;align-items:center;}
    .crumbs{margin-bottom:20px;}
  }

  @media (prefers-reduced-motion: reduce){
    *,*::before,*::after{animation-duration:.01ms !important;transition-duration:.01ms !important;}
    html{scroll-behavior:auto;}
    .reveal{opacity:1;transform:none;}
  }