/* roulang page: index */
:root{
  --brand:#F04A21;
  --brand-dark:#C43A14;
  --brand-tint:#FFEDE6;
  --accent:#B7F03C;
  --ink:#14110F;
  --text:#1E1A17;
  --muted:#6B645C;
  --line:#E7E1D8;
  --bg:#FAF7F2;
  --card:#FFFFFF;
  --ok:#1F9D6B;
  --warn:#D9A21A;
  --err:#D9433A;
  --r-card:12px;
  --r-btn:8px;
  --r-img:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,17,15,.04);
  --sh-2:0 8px 24px rgba(20,17,15,.06);
  --sh-3:0 14px 32px rgba(20,17,15,.10);
  --ease:cubic-bezier(.22,.61,.36,1);
  --sidebar-w:248px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:80px}
@media (min-width:1024px){html{scroll-padding-top:24px}}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;height:auto;border:0}
a{color:var(--brand);text-decoration:none;transition:color .18s var(--ease)}
a:hover{color:var(--brand-dark)}
button,input,select,textarea{font:inherit;color:inherit;margin:0}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5{margin:0;font-weight:700;color:var(--ink)}
p{margin:0}
.mono{font-family:ui-monospace,Menlo,Consolas,"Courier New",monospace;font-variant-numeric:tabular-nums;letter-spacing:.01em}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (max-width:639px){.container{padding:0 16px}}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}

/* ---------- 左侧 App Shell ---------- */
.app-sidebar{
  position:fixed;left:0;top:0;bottom:0;width:280px;
  background:var(--ink);
  color:rgba(255,255,255,.72);
  display:flex;flex-direction:column;
  padding:22px 18px 22px;
  z-index:80;
  overflow-y:auto;
  transform:translateX(-100%);
  transition:transform .24s var(--ease);
  -webkit-overflow-scrolling:touch;
}
.app-sidebar.is-open{transform:translateX(0)}
.sidebar-nav{display:flex;flex-direction:column;gap:4px;margin-top:30px;flex:1 1 auto}
.side-link{
  position:relative;display:flex;align-items:center;gap:10px;
  padding:11px 14px;border-radius:10px;
  font-size:15px;font-weight:500;color:rgba(255,255,255,.7);
  transition:background .18s var(--ease),color .18s var(--ease);
}
.side-link::before{
  content:"";position:absolute;left:0;top:11px;bottom:11px;width:3px;border-radius:3px;
  background:var(--brand);transform:scaleY(0);transform-origin:center;
  transition:transform .18s var(--ease);
}
.side-link:hover{background:rgba(255,255,255,.06);color:#fff}
.side-link.is-active{background:rgba(255,255,255,.06);color:#fff}
.side-link.is-active::before{transform:scaleY(1)}
.side-link .side-idx{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:11px;letter-spacing:.08em;color:var(--accent);width:20px;flex:0 0 auto}
.sidebar-foot{margin-top:26px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1)}
.side-note{font-size:12px;line-height:1.65;color:rgba(255,255,255,.42);margin:12px 0 0}

/* ---------- 品牌标识 ---------- */
.brand{display:inline-flex;align-items:center;gap:10px;color:#fff}
.brand:hover{color:#fff}
.brand-mark{
  width:34px;height:34px;flex:0 0 auto;border-radius:9px;
  background:linear-gradient(135deg,var(--brand),var(--brand-dark));
  display:grid;grid-template-columns:1fr 1fr;gap:3px;padding:7px;
  box-shadow:0 4px 12px rgba(240,74,33,.3);
}
.brand-mark i{display:block;background:rgba(255,255,255,.9);border-radius:2px}
.brand-mark i:last-child{background:var(--accent)}
.brand-text{font-size:15px;font-weight:800;letter-spacing:.02em;line-height:1.25;color:#fff}
.brand--compact .brand-text{color:var(--ink);font-size:14.5px}
.brand--compact .brand-mark{width:30px;height:30px;padding:6px;border-radius:8px}
.brand--footer .brand-text{color:var(--ink)}
.brand--footer .brand-mark{width:32px;height:32px;padding:6.5px}

/* ---------- 移动端顶栏 ---------- */
.topbar{
  position:fixed;top:0;left:0;right:0;height:60px;z-index:65;
  background:#fff;border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  padding:0 16px;
}
.topbar::after{content:"";position:absolute;left:0;bottom:-1px;height:2px;width:100%;background:linear-gradient(90deg,var(--brand),rgba(240,74,33,0));opacity:.9}
.hamburger{
  width:40px;height:40px;border:1px solid var(--line);border-radius:10px;background:#fff;
  display:inline-flex;align-items:center;justify-content:center;gap:4px;flex-direction:column;
  cursor:pointer;transition:border-color .18s var(--ease),background .18s var(--ease);
}
.hamburger:hover{border-color:var(--brand);background:var(--brand-tint)}
.hamburger span{display:block;width:16px;height:2px;border-radius:2px;background:var(--ink)}
.drawer-mask{
  position:fixed;inset:0;z-index:70;background:rgba(20,17,15,.6);
  opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible}
body{padding-top:60px}
@media (min-width:1024px){
  body{padding-top:0;padding-left:var(--sidebar-w)}
  .app-sidebar{width:var(--sidebar-w);transform:none;padding:26px 18px 22px}
  .topbar{display:none}
  .drawer-mask{display:none}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:0;cursor:pointer;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1.2;padding:13px 24px;
  text-align:center;
  transition:transform .18s var(--ease),background-color .18s var(--ease),color .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 1px 2px rgba(240,74,33,.24)}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(240,74,33,.28)}
.btn-primary:active{transform:translateY(0);box-shadow:0 2px 6px rgba(240,74,33,.24)}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.5)}
.btn-ghost:hover{background:#fff;color:var(--ink);border-color:#fff;transform:translateY(-2px)}
.btn-outline{background:transparent;color:var(--ink);border:1.5px solid var(--ink)}
.btn-outline:hover{background:var(--ink);color:#fff;border-color:var(--ink);transform:translateY(-2px)}
.btn-sm{padding:9px 16px;font-size:13.5px;border-radius:var(--r-btn)}
.btn-block{width:100%}
.link-more{
  display:inline-block;color:var(--ink);font-weight:600;font-size:14px;padding-bottom:3px;
  background-image:linear-gradient(var(--brand),var(--brand));
  background-repeat:no-repeat;background-size:0% 2px;background-position:0 100%;
  transition:background-size .18s var(--ease),color .18s var(--ease);
}
.link-more:hover{color:var(--brand);background-size:100% 2px}

/* ---------- 区块通用 ---------- */
.section{padding:96px 0}
@media (max-width:1023px){.section{padding:72px 0}}
@media (max-width:639px){.section{padding:56px 0}}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.sec-head h2{font-size:clamp(24px,3vw,34px);line-height:1.2;font-weight:800;letter-spacing:-.01em;margin:10px 0 0;color:var(--ink)}
.kicker{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;letter-spacing:.12em;color:var(--brand);text-transform:none}
.kicker::before{content:"";width:16px;height:2px;border-radius:2px;background:var(--brand)}
.sec-head--center{flex-direction:column;align-items:center;text-align:center}
@media (max-width:639px){.sec-head{flex-direction:column;align-items:flex-start;margin-bottom:28px}}
.sec-lead{font-size:14.5px;line-height:1.85;color:var(--muted);margin:14px 0 0;max-width:640px}
.card-row{margin:0 -12px}
.card-row>.cell{padding:0 12px;margin-bottom:24px}
@media (max-width:639px){.card-row{margin:0 -8px}.card-row>.cell{padding:0 8px;margin-bottom:16px}}

/* ---------- 首屏 ---------- */
.hero{position:relative;isolation:isolate;overflow:hidden;background:var(--ink);color:#fff;padding:92px 0 84px}
.hero-bg{position:absolute;inset:0;z-index:0;background-size:cover;background-position:center;background-image:url("/assets/images/backpic/back-1.png");opacity:.4}
.hero-beam{position:absolute;top:-25%;right:-12%;width:66%;height:150%;z-index:1;pointer-events:none;
  background:linear-gradient(90deg,rgba(240,74,33,0),rgba(240,74,33,.26));transform:rotate(14deg)}
.hero::after{content:"";position:absolute;inset:0;z-index:2;
  background:linear-gradient(100deg,rgba(20,17,15,.95) 0%,rgba(20,17,15,.82) 44%,rgba(20,17,15,.5) 100%)}
.hero .container{position:relative;z-index:3}
.hero-copy{max-width:660px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;letter-spacing:.08em;color:var(--accent)}
.eyebrow i{width:6px;height:6px;border-radius:2px;background:var(--accent);display:inline-block}
.hero h1{font-size:clamp(30px,4.3vw,54px);line-height:1.1;letter-spacing:-.02em;font-weight:800;color:#fff;margin:16px 0 0}
.hero h1 em{font-style:normal;color:var(--brand)}
.hero-sub{font-size:17px;line-height:1.8;color:rgba(255,255,255,.76);margin:18px 0 0;max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-stats{display:flex;flex-wrap:wrap;gap:44px;margin-top:46px;padding-top:28px;border-top:1px solid rgba(255,255,255,.16)}
.hero-stat b{display:block;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:28px;font-weight:700;line-height:1.15;color:#fff}
.hero-stat span{display:block;font-size:12px;letter-spacing:.06em;color:rgba(255,255,255,.6);margin-top:4px}
.hero-visual{margin-top:36px}
.hero-frame{position:relative;border-radius:14px;overflow:hidden;box-shadow:var(--sh-3);border:1px solid rgba(255,255,255,.12)}
.hero-frame img{width:100%;aspect-ratio:16/10;object-fit:cover}
.hero-frame figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:16px 18px;font-size:12.5px;color:rgba(255,255,255,.86);
  background:linear-gradient(0deg,rgba(20,17,15,.86),rgba(20,17,15,0));
}
@media (min-width:1024px){.hero-visual{margin-top:0}}
@media (max-width:639px){
  .hero{padding:66px 0 56px}
  .hero h1{font-size:clamp(26px,7.4vw,34px)}
  .hero-sub{font-size:15.5px}
  .hero-stats{gap:28px;margin-top:34px}
  .hero-stat b{font-size:23px}
}

/* ---------- 赛事聚焦卡片 ---------- */
.ev-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;color:inherit;
  box-shadow:var(--sh-1);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.ev-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#DED6CA;color:inherit}
.ev-media{position:relative;overflow:hidden;background:#EFE9E0}
.ev-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .42s var(--ease)}
.ev-card:hover .ev-media img{transform:scale(1.04)}
.ev-media::after{content:"";position:absolute;inset:0;background:rgba(20,17,15,0);transition:background .24s var(--ease)}
.ev-card:hover .ev-media::after{background:rgba(20,17,15,.14)}
.badge{
  position:absolute;left:12px;top:12px;z-index:2;
  background:var(--brand);color:#fff;font-size:12px;font-weight:500;letter-spacing:.06em;
  line-height:1.4;padding:4px 9px;border-radius:6px;
}
.badge--accent{background:var(--accent);color:var(--ink)}
.ev-body{display:flex;flex-direction:column;gap:9px;padding:20px 22px 22px;flex:1 1 auto}
.ev-body h3{font-size:19px;line-height:1.42;font-weight:700;color:var(--text)}
.ev-body p{font-size:14px;line-height:1.75;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ev-card--lg .ev-body h3{font-size:23px}
.ev-card--lg .ev-body{padding:24px 26px 26px}
.ev-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--muted)}
.ev-meta .dot{width:3px;height:3px;border-radius:50%;background:#CFC7BC;display:inline-block}
.ev-go{margin-top:auto;padding-top:14px;display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:600;color:var(--brand);transition:gap .18s var(--ease)}
.ev-card:hover .ev-go{gap:11px}

/* ---------- 保障条 ---------- */
.guarantee{padding:8px 0 0}
.guarantee-row{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.guarantee-item{display:flex;flex-direction:column;gap:6px;padding:26px 22px;border-left:1px solid var(--line)}
.guarantee-item:first-child{border-left:0}
.gi-ico{color:var(--brand);display:inline-flex;width:20px;height:20px}
.guarantee-item b{font-size:14px;font-weight:700;color:var(--text);line-height:1.5}
.guarantee-item span{font-size:12px;line-height:1.65;color:var(--muted)}
@media (max-width:1023px){
  .guarantee-row{grid-template-columns:repeat(2,1fr)}
  .guarantee-item:nth-child(3){border-left:0}
  .guarantee-item:nth-child(n+3){border-top:1px solid var(--line)}
}
@media (max-width:639px){
  .guarantee-row{grid-template-columns:1fr}
  .guarantee-item{border-left:0;border-top:1px solid var(--line);padding:20px 4px}
  .guarantee-item:first-child{border-top:0}
}

/* ---------- 最新信息卡片 ---------- */
.news-card{
  display:flex;flex-direction:column;gap:10px;height:100%;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;color:inherit;box-shadow:var(--sh-1);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#DED6CA;color:inherit}
.tag{
  align-self:flex-start;display:inline-flex;align-items:center;
  font-size:12px;font-weight:500;letter-spacing:.04em;line-height:1.4;
  color:var(--brand-dark);background:var(--brand-tint);border-radius:var(--r-pill);padding:3px 10px;
}
.news-card h3{font-size:16.5px;line-height:1.52;font-weight:700;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card p{font-size:14px;line-height:1.75;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-foot{
  margin-top:auto;padding-top:13px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:12.5px;color:var(--muted);
}
.news-go{color:var(--brand);font-weight:600}
.empty-state{
  display:flex;flex-direction:column;align-items:center;gap:14px;text-align:center;
  padding:60px 24px;background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);
}
.empty-state svg{color:#C6BDB1}
.empty-state p{font-size:14.5px;color:var(--muted)}

/* ---------- 用户评价 ---------- */
.voices{background:#FFFDFA}
.rail-wrap{position:relative}
.rail{
  display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:4px 24px 16px;scrollbar-width:none;-ms-overflow-style:none;
}
.rail::-webkit-scrollbar{display:none}
.voice-card{
  flex:0 0 min(420px,78vw);scroll-snap-align:start;
  display:flex;flex-direction:column;gap:14px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 26px;box-shadow:var(--sh-1);
}
.voice-quote{font-size:52px;line-height:.7;font-weight:800;color:var(--brand-tint);font-family:Georgia,serif;height:26px}
.voice-card p{font-size:14.5px;line-height:1.85;color:var(--text)}
.voice-who{margin-top:auto;padding-top:16px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px}
.voice-who b{font-size:14px;font-weight:700;color:var(--text)}
.voice-who span{display:block;font-size:12px;color:var(--muted)}
.voice-score{display:inline-flex;gap:4px}
.voice-score i{width:7px;height:7px;border-radius:50%;background:var(--accent);display:block}
.rail-foot{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:14px}
.rail-progress{position:relative;flex:1 1 auto;max-width:340px;height:3px;border-radius:3px;background:var(--line);overflow:hidden}
.rail-progress i{position:absolute;left:0;top:0;bottom:0;width:12%;border-radius:3px;background:var(--brand);transition:width .18s var(--ease)}
.rail-arrows{display:flex;gap:10px}
.arrow{
  width:42px;height:42px;border-radius:50%;border:1.5px solid var(--line);background:#fff;
  color:var(--ink);font-size:16px;line-height:1;cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease);
}
.arrow:hover{background:var(--brand);border-color:var(--brand);color:#fff;transform:translateY(-2px)}

/* ---------- FAQ ---------- */
.faq-list{max-width:760px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  margin-bottom:12px;overflow:hidden;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.faq-item[open]{border-color:#DED6CA;box-shadow:var(--sh-1)}
.faq-item summary{
  position:relative;list-style:none;cursor:pointer;
  padding:19px 54px 19px 22px;
  font-size:16px;font-weight:600;line-height:1.55;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;
  background:var(--brand);opacity:0;transition:opacity .18s var(--ease);
}
.faq-item[open] summary::before{opacity:1}
.faq-item summary::after{
  content:"";position:absolute;right:24px;top:50%;width:8px;height:8px;
  border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);
  transform:translateY(-70%) rotate(45deg);
  transition:transform .18s var(--ease),border-color .18s var(--ease);
}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(-135deg);border-color:var(--brand)}
.faq-body{padding:0 22px 20px;font-size:14.5px;line-height:1.85;color:var(--muted);animation:fadeIn .18s var(--ease) both}
.faq-body p+p{margin-top:10px}
@keyframes fadeIn{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}

/* ---------- CTA ---------- */
.cta-band{background:var(--ink);color:#fff;padding:88px 0}
.cta-band h2{color:#fff;font-size:clamp(23px,2.7vw,32px);line-height:1.28;font-weight:800;margin:10px 0 12px}
.cta-band .kicker{color:var(--accent)}
.cta-band .kicker::before{background:var(--accent)}
.cta-band p{color:rgba(255,255,255,.66);font-size:14.5px;line-height:1.8;max-width:420px}
.cta-form{
  display:grid;gap:14px;max-width:560px;
  background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.13);
  border-radius:14px;padding:26px;
}
@media (min-width:1024px){.cta-form{margin-left:auto}}
.field label{display:block;font-size:12.5px;font-weight:500;letter-spacing:.06em;color:rgba(255,255,255,.62);margin-bottom:6px}
.field input{
  width:100%;background:#FAF7F2;border:1px solid transparent;border-radius:var(--r-btn);
  padding:12px 14px;font-size:14.5px;color:var(--text);
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.field input::placeholder{color:#A9A199}
.field input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(240,74,33,.24)}
.form-tip{font-size:12px;line-height:1.65;color:rgba(255,255,255,.42);margin:0}

/* ---------- 页脚 ---------- */
.site-footer{background:#fff;border-top:1px solid var(--line);padding:64px 0 0}
.footer-row{margin:0 -16px}
.footer-row>.cell{padding:0 16px;margin-bottom:34px}
.footer-brand p{font-size:13.5px;line-height:1.85;color:var(--muted);margin-top:16px;max-width:330px}
.footer-col h4{font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--ink);margin:0 0 14px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:13.5px;color:var(--muted)}
.footer-col a:hover{color:var(--brand)}
.footer-col p{font-size:13.5px;line-height:1.85;color:var(--muted)}
.footer-bottom{
  border-top:1px solid var(--line);padding:18px 0;
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:12.5px;color:#8A827A;
}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .42s var(--ease),transform .42s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
.stagger>.cell{opacity:0;transform:translateY(16px);transition:opacity .42s var(--ease),transform .42s var(--ease)}
.stagger.is-in>.cell{opacity:1;transform:none}
.stagger.is-in>.cell:nth-child(1){transition-delay:0ms}
.stagger.is-in>.cell:nth-child(2){transition-delay:80ms}
.stagger.is-in>.cell:nth-child(3){transition-delay:160ms}
.stagger.is-in>.cell:nth-child(4){transition-delay:240ms}
.stagger.is-in>.cell:nth-child(5){transition-delay:320ms}
.stagger.is-in>.cell:nth-child(6){transition-delay:400ms}
.stagger.is-in>.cell:nth-child(7){transition-delay:480ms}
.stagger.is-in>.cell:nth-child(8){transition-delay:560ms}
.stagger.is-in>.cell:nth-child(9){transition-delay:640ms}
.stagger.is-in>.cell:nth-child(10){transition-delay:720ms}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .reveal,.stagger>.cell{opacity:1 !important;transform:none !important}
}

/* roulang page: category1 */
:root{
  --brand:#F04A21;
  --brand-dark:#C43A14;
  --brand-soft:#FFEDE6;
  --lime:#B7F03C;
  --ink:#14110F;
  --text:#1E1A17;
  --muted:#6B645C;
  --line:#E7E1D8;
  --page:#FAF7F2;
  --card:#FFFFFF;
  --ok:#1F9D6B;
  --warn:#D9A21A;
  --err:#D9433A;
  --r-card:12px;
  --r-btn:8px;
  --r-img:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,17,15,.04);
  --sh-2:0 8px 24px rgba(20,17,15,.06);
  --sh-3:0 14px 32px rgba(20,17,15,.10);
  --ease:cubic-bezier(.22,.61,.36,1);
  --sidebar-w:248px;
  --topbar-h:60px;
  --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:ui-monospace,Menlo,Consolas,"Courier New",monospace;
}

*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;background-color:transparent;}
a:hover,a:focus{color:var(--brand-dark);}
button,input,select,textarea{font-family:inherit;font-size:inherit;line-height:inherit;margin:0;}
button{cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1,h2,h3,h4{font-weight:700;color:var(--text);line-height:1.2;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:.02em;}

/* ---------- Foundation 栅格微调 ---------- */
.grid-x{margin-left:-12px;margin-right:-12px;}
.grid-x>.cell{padding-left:12px;padding-right:12px;}

/* ---------- 左侧 App Shell ---------- */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
  background:var(--ink);color:#F5F1EC;z-index:80;
  display:flex;flex-direction:column;padding:26px 18px 22px;
  border-right:1px solid rgba(255,255,255,.06);
}
.brand{display:flex;align-items:center;gap:10px;}
.brand-mark{
  width:34px;height:34px;border-radius:9px;flex:0 0 auto;
  background:var(--brand);position:relative;display:block;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.25);
}
.brand-mark i{position:absolute;display:block;background:var(--ink);border-radius:2px;}
.brand-mark i:first-child{width:12px;height:3px;left:11px;top:11px;}
.brand-mark i:last-child{
  width:5px;height:5px;right:5px;bottom:5px;background:var(--lime);border-radius:50%;
}
.brand-text{
  font-size:16px;font-weight:700;letter-spacing:.01em;color:#fff;white-space:nowrap;
}
.brand--footer .brand-text{color:var(--text);}
.brand--footer .brand-mark i:first-child{background:#fff;}

.sidebar-nav{margin-top:38px;display:flex;flex-direction:column;gap:4px;}
.side-link{
  position:relative;display:flex;align-items:center;gap:10px;
  padding:12px 14px;border-radius:var(--r-btn);
  color:#B9B2AA;font-size:15px;font-weight:500;
  transition:color 180ms var(--ease),background-color 180ms var(--ease);
}
.side-link .side-idx{
  font-family:var(--mono);font-size:11px;color:#7B746C;letter-spacing:.06em;
  transition:color 180ms var(--ease);
}
.side-link:hover{color:#fff;background:rgba(255,255,255,.05);}
.side-link:focus-visible{outline:2px solid var(--lime);outline-offset:-2px;}
.side-link.is-active{
  color:#fff;background:rgba(255,255,255,.06);
}
.side-link.is-active::before{
  content:"";position:absolute;left:-18px;top:8px;bottom:8px;width:3px;
  border-radius:0 3px 3px 0;background:var(--brand);
}
.side-link.is-active .side-idx{color:var(--lime);}

.sidebar-foot{margin-top:auto;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);}
.sidebar-note{font-size:12px;line-height:1.7;color:#8B847C;margin-bottom:14px;}
.side-cta{
  display:flex;align-items:center;justify-content:center;gap:8px;
  width:100%;padding:11px 14px;border-radius:var(--r-btn);
  background:var(--brand);color:#fff;font-size:14px;font-weight:600;
  transition:background-color 180ms var(--ease),transform 180ms var(--ease),box-shadow 180ms var(--ease);
}
.side-cta:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 10px 22px rgba(240,74,33,.28);}
.side-cta:active{transform:translateY(0);box-shadow:none;}

/* ---------- 移动顶栏 ---------- */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:var(--topbar-h);
  background:rgba(250,247,242,.96);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);z-index:90;
  align-items:center;justify-content:space-between;padding:0 16px;
}
.topbar::after{
  content:"";position:absolute;left:0;bottom:-1px;height:3px;width:38%;
  background:var(--brand);border-radius:0 3px 3px 0;
}
.hamburger{
  width:42px;height:42px;border:1px solid var(--line);border-radius:10px;
  background:#fff;display:flex;flex-direction:column;justify-content:center;
  align-items:center;gap:5px;box-shadow:var(--sh-1);
}
.hamburger span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;}

/* ---------- 抽屉 ---------- */
.scrim{
  position:fixed;inset:0;background:rgba(20,17,15,.6);z-index:95;
  opacity:0;visibility:hidden;transition:opacity 240ms var(--ease),visibility 240ms var(--ease);
}
.scrim.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;left:0;bottom:0;width:280px;max-width:86vw;
  background:var(--ink);z-index:100;padding:22px 16px;
  transform:translateX(-100%);transition:transform 240ms var(--ease);
  display:flex;flex-direction:column;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}

/* ---------- 主区 ---------- */
.main-area{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column;}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;color:#fff;
  background-image:linear-gradient(90deg,rgba(20,17,15,.86) 0%,rgba(20,17,15,.62) 58%,rgba(20,17,15,.5) 100%),
    url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  padding:72px 0 56px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:56px 56px;opacity:.5;pointer-events:none;
}
.page-hero::after{
  content:"";position:absolute;left:-12%;top:-30%;width:52%;height:180%;
  background:linear-gradient(90deg,rgba(240,74,33,.34),rgba(240,74,33,0));
  transform:rotate(16deg);pointer-events:none;
}
.hero-inner{position:relative;z-index:2;max-width:860px;}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.7);margin-bottom:20px;flex-wrap:wrap;}
.crumbs a{color:rgba(255,255,255,.7);}
.crumbs a:hover{color:#fff;}
.crumbs .sep{color:rgba(255,255,255,.35);}
.crumbs .current{color:var(--brand);}
.page-hero h1{
  font-size:clamp(28px,3.6vw,42px);line-height:1.16;letter-spacing:-.01em;color:#fff;
  font-weight:800;margin-bottom:16px;
}
.page-hero h1 em{font-style:normal;color:var(--lime);}
.hero-sub{font-size:17px;color:rgba(255,255,255,.82);max-width:620px;margin-bottom:28px;}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  border:1.5px solid transparent;text-align:center;cursor:pointer;
  transition:background-color 180ms var(--ease),color 180ms var(--ease),
    border-color 180ms var(--ease),transform 180ms var(--ease),box-shadow 180ms var(--ease);
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(240,74,33,.22);}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(240,74,33,.3);}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 10px rgba(240,74,33,.22);}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.55);color:#fff;}
.btn-outline-light:hover{background:#fff;border-color:#fff;color:var(--ink);}
.btn-outline-dark{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn-outline-dark:hover{background:var(--ink);color:#fff;}
.btn-link{
  display:inline-block;padding:4px 0;font-size:14px;font-weight:600;color:var(--brand);
  background-image:linear-gradient(var(--brand),var(--brand));
  background-repeat:no-repeat;background-position:0 100%;background-size:0 1.5px;
  transition:background-size 180ms var(--ease),color 180ms var(--ease);
}
.btn-link:hover{color:var(--brand-dark);background-size:100% 1.5px;}
.btn-lg{padding:14px 28px;font-size:16px;}
.btn-block{width:100%;}

/* ---------- 数据条 ---------- */
.stat-band{background:var(--card);border-bottom:1px solid var(--line);}
.stat-band .grid-x{margin-top:0;}
.stat-cell{padding:28px 12px;border-right:1px solid var(--line);}
.stat-cell:last-child{border-right:none;}
.stat-num{font-family:var(--mono);font-size:28px;font-weight:700;color:var(--ink);line-height:1.1;}
.stat-num span{font-size:15px;color:var(--brand);margin-left:2px;}
.stat-label{font-size:12px;letter-spacing:.06em;color:var(--muted);margin-top:6px;}

/* ---------- 板块 ---------- */
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section--alt{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.sec-head{margin-bottom:44px;max-width:760px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.06em;color:var(--brand);
  background:var(--brand-soft);border-radius:var(--r-pill);padding:5px 12px;margin-bottom:16px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);}
.sec-title{font-size:clamp(24px,2.8vw,34px);letter-spacing:-.01em;margin-bottom:14px;}
.sec-desc{font-size:15px;color:var(--muted);max-width:660px;}

/* ---------- 卡片 ---------- */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;height:100%;
  display:flex;flex-direction:column;
  transition:transform 240ms var(--ease),box-shadow 240ms var(--ease),border-color 240ms var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#DCD4C8;}
.card-media{position:relative;overflow:hidden;border-radius:0;}
.card-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform 420ms var(--ease);}
.card:hover .card-media img{transform:scale(1.04);}
.card-media::after{
  content:"";position:absolute;inset:0;background:rgba(20,17,15,.0);
  transition:background-color 240ms var(--ease);
}
.card:hover .card-media::after{background:rgba(20,17,15,.18);}
.card-tag{
  position:absolute;left:14px;top:14px;z-index:2;
  background:var(--brand);color:#fff;font-size:12px;font-weight:500;
  padding:4px 10px;border-radius:var(--r-pill);letter-spacing:.02em;
}
.card-body{padding:22px;display:flex;flex-direction:column;flex:1 1 auto;}
.card-title{font-size:19px;font-weight:700;margin-bottom:10px;line-height:1.4;}
.card-text{font-size:14.5px;color:var(--muted);line-height:1.75;margin-bottom:18px;}
.card-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:14px;border-top:1px solid var(--line);font-size:12.5px;color:var(--muted);
}
.card-foot .arrow{
  font-family:var(--mono);color:var(--brand);font-weight:700;
  transition:transform 180ms var(--ease);
}
.card:hover .card-foot .arrow{transform:translateX(4px);}
.card--wide .card-title{font-size:22px;}
.card--wide .card-text{font-size:15px;}

/* ---------- 深色区块 ---------- */
.band-dark{
  background:var(--ink);color:#EDE8E2;position:relative;overflow:hidden;
}
.band-dark::before{
  content:"";position:absolute;right:-10%;top:-40%;width:46%;height:180%;
  background:radial-gradient(closest-side,rgba(240,74,33,.22),transparent);
  pointer-events:none;
}
.band-dark .sec-title{color:#fff;}
.band-dark .sec-desc{color:#A9A29A;}
.band-dark .eyebrow{background:rgba(240,74,33,.16);color:var(--lime);}
.band-dark .eyebrow::before{background:var(--lime);}
.band-inner{position:relative;z-index:2;}

.scene-list{display:flex;flex-direction:column;}
.scene-item{
  display:flex;gap:18px;padding:20px 18px;border-radius:var(--r-card);
  border-top:1px solid rgba(255,255,255,.08);
  transition:background-color 180ms var(--ease);
}
.scene-item:first-child{border-top:none;}
.scene-item:hover{background:rgba(255,255,255,.05);}
.scene-idx{font-family:var(--mono);font-size:13px;color:var(--lime);flex:0 0 34px;padding-top:3px;}
.scene-title{font-size:16px;font-weight:700;color:#fff;margin-bottom:6px;}
.scene-text{font-size:14px;color:#A9A29A;line-height:1.75;}

/* ---------- 流程 ---------- */
.steps{display:flex;flex-wrap:wrap;gap:0;margin:0 -12px;}
.step{
  flex:1 1 220px;padding:26px 22px;margin:0 12px 20px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);position:relative;
  transition:transform 240ms var(--ease),box-shadow 240ms var(--ease);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.step-num{
  font-family:var(--mono);font-size:12px;font-weight:700;color:#fff;
  background:var(--ink);width:30px;height:30px;border-radius:9px;
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.step:hover .step-num{background:var(--brand);}
.step-title{font-size:17px;font-weight:700;margin-bottom:8px;}
.step-text{font-size:14px;color:var(--muted);line-height:1.75;}
.step-line{
  position:absolute;right:-16px;top:40px;width:32px;height:2px;background:var(--line);
}
.step:last-child .step-line{display:none;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:760px;margin:0 auto;}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  margin-bottom:12px;box-shadow:var(--sh-1);overflow:hidden;
  transition:border-color 180ms var(--ease),box-shadow 180ms var(--ease);
}
.faq-item[open]{border-color:#DCD4C8;box-shadow:var(--sh-2);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 52px 20px 22px;position:relative;
  font-size:16px;font-weight:600;line-height:1.6;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";position:absolute;right:24px;top:50%;width:9px;height:9px;
  border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);
  transform:translateY(-70%) rotate(45deg);
  transition:transform 180ms var(--ease),border-color 180ms var(--ease);
}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(-135deg);border-color:var(--brand);}
.faq-item[open] summary{color:var(--brand);}
.faq-answer{
  padding:0 22px 22px 22px;font-size:14.5px;color:var(--muted);line-height:1.85;
  border-left:3px solid var(--brand);margin-left:0;
  animation:faqIn 180ms var(--ease);
}
@keyframes faqIn{from{opacity:0;transform:translateY(-4px);}to{opacity:1;transform:translateY(0);}}

/* ---------- CTA / 表单 ---------- */
.cta-band{
  background:var(--ink);color:#EDE8E2;border-radius:0;position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;left:-6%;bottom:-60%;width:40%;height:200%;
  background:linear-gradient(90deg,rgba(240,74,33,.3),rgba(240,74,33,0));
  transform:rotate(14deg);pointer-events:none;
}
.cta-inner{position:relative;z-index:2;}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);margin-bottom:12px;}
.cta-band p{color:#A9A29A;font-size:15px;}
.cta-note{font-size:12.5px;color:#8B847C;margin-top:14px;}
.form-card{
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);
  border-radius:var(--r-card);padding:24px;max-width:560px;
}
.field{margin-bottom:16px;}
.field label{display:block;font-size:12.5px;letter-spacing:.04em;color:#A9A29A;margin-bottom:8px;}
.field input,.field select{
  width:100%;padding:12px 14px;border-radius:var(--r-btn);
  background:#FAF7F2;border:1.5px solid transparent;color:var(--ink);
  transition:border-color 180ms var(--ease),box-shadow 180ms var(--ease);
}
.field input::placeholder{color:#9C948B;}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(240,74,33,.22);
}
.form-msg{font-size:13px;color:var(--lime);margin-top:12px;min-height:18px;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--card);border-top:1px solid var(--line);padding:64px 0 26px;
  margin-top:auto;
}
.footer-row{gap:24px 0;}
.footer-brand p{font-size:14px;color:var(--muted);margin-top:16px;max-width:360px;line-height:1.8;}
.footer-col h4{font-size:14px;font-weight:700;margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:var(--muted);transition:color 180ms var(--ease);}
.footer-col a:hover{color:var(--brand);}
.footer-col p{font-size:13px;color:var(--muted);line-height:1.85;}
.footer-bottom{
  margin-top:48px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:#9C948B;
}

/* ---------- 动效 ---------- */
.js .reveal{opacity:0;transform:translateY(16px);transition:opacity 420ms var(--ease),transform 420ms var(--ease);}
.js .reveal.in-view{opacity:1;transform:translateY(0);}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{transition-duration:.001ms !important;animation-duration:.001ms !important;}
  .js .reveal{opacity:1;transform:none;}
}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  .sidebar{display:none;}
  .topbar{display:flex;}
  .main-area{margin-left:0;padding-top:var(--topbar-h);}
  .section{padding:72px 0;}
  .page-hero{padding:52px 0 44px;}
  .stat-cell{border-right:none;border-bottom:1px solid var(--line);padding:22px 12px;}
  .stat-cell:last-child{border-bottom:none;}
  .step-line{display:none;}
}
@media screen and (max-width:639px){
  .container{padding:0 16px;}
  .grid-x{margin-left:-8px;margin-right:-8px;}
  .grid-x>.cell{padding-left:8px;padding-right:8px;}
  .section{padding:56px 0;}
  .section--tight{padding:48px 0;}
  .sec-head{margin-bottom:28px;}
  .page-hero h1{font-size:28px;}
  .hero-sub{font-size:15px;}
  .hero-cta .btn{width:100%;}
  .card-body{padding:18px;}
  .card--wide .card-title{font-size:19px;}
  .stat-num{font-size:24px;}
  .footer-bottom{flex-direction:column;gap:6px;}
}

/* roulang page: article */
:root{
  --brand:#F04A21;
  --brand-dark:#C43A14;
  --brand-soft:#FFEDE6;
  --lime:#B7F03C;
  --dark:#14110F;
  --ink:#1E1A17;
  --muted:#6B645C;
  --line:#E7E1D8;
  --paper:#FAF7F2;
  --card:#FFFFFF;
  --ok:#1F9D6B;
  --warn:#D9A21A;
  --err:#D9433A;
  --sidebar:248px;
  --r-card:12px;
  --r-btn:8px;
  --r-img:10px;
  --sh-1:0 1px 2px rgba(20,17,15,.04);
  --sh-2:0 8px 24px rgba(20,17,15,.06);
  --sh-3:0 14px 32px rgba(20,17,15,.10);
  --ease:cubic-bezier(.22,.61,.36,1);
  --mono:ui-monospace,Menlo,Consolas,"Liberation Mono",monospace;
  --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{font-size:16px;-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--ink);text-decoration:none;transition:color .18s var(--ease)}
a:hover{color:var(--brand)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.2;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;white-space:nowrap;
  transition:transform .18s var(--ease),background-color .18s var(--ease),color .18s var(--ease),box-shadow .24s var(--ease),border-color .18s var(--ease);
}
.btn--primary{background:var(--brand);color:#fff;box-shadow:var(--sh-1)}
.btn--primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(240,74,33,.28)}
.btn--primary:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn--ghost{border:1.5px solid var(--ink);color:var(--ink);background:transparent}
.btn--ghost:hover{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn--light{border:1.5px solid rgba(255,255,255,.5);color:#fff;background:transparent}
.btn--light:hover{background:#fff;color:var(--dark);border-color:#fff}
.btn--sm{height:38px;padding:0 16px;font-size:14px}
.btn--block{width:100%}

/* 品牌标记 */
.brand{display:inline-flex;align-items:center;gap:10px}
.brand-mark{position:relative;flex:0 0 32px;width:32px;height:32px;border-radius:9px;background:var(--brand);box-shadow:0 6px 16px rgba(240,74,33,.32)}
.brand-mark i{position:absolute;display:block;border-radius:2px}
.brand-mark i:first-child{left:7px;top:7px;width:8px;height:8px;background:var(--dark)}
.brand-mark i:last-child{right:7px;bottom:7px;width:8px;height:8px;background:var(--lime)}
.brand-text{font-size:17px;font-weight:800;letter-spacing:-.01em;color:#fff;white-space:nowrap}

/* 左侧导航 */
.app-sidebar{
  position:fixed;top:0;left:0;width:var(--sidebar);height:100vh;z-index:70;
  display:flex;flex-direction:column;padding:26px 18px;
  background:var(--dark);border-right:1px solid rgba(255,255,255,.06);
}
.sidebar-inner{display:flex;flex-direction:column;height:100%}
.sidebar-nav{display:flex;flex-direction:column;gap:4px;margin-top:34px}
.side-link{
  position:relative;display:flex;align-items:center;gap:10px;
  padding:12px 12px 12px 14px;border-radius:8px;
  color:rgba(255,255,255,.72);font-size:15px;font-weight:500;
  transition:background-color .18s var(--ease),color .18s var(--ease);
}
.side-link:hover{background:rgba(255,255,255,.06);color:#fff}
.side-link.is-active{color:#fff;background:rgba(255,255,255,.06);font-weight:600}
.side-link.is-active::before{content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:0 3px 3px 0;background:var(--brand)}
.side-idx{font-family:var(--mono);font-size:12px;letter-spacing:.04em;color:rgba(255,255,255,.42)}
.side-link.is-active .side-idx{color:var(--lime)}
.sidebar-foot{margin-top:auto;padding-top:22px;border-top:1px solid rgba(255,255,255,.1)}
.sidebar-note{font-size:12px;line-height:1.7;color:rgba(255,255,255,.5);margin-bottom:14px}

/* 移动顶栏与抽屉 */
.topbar{
  display:flex;align-items:center;justify-content:space-between;
  height:60px;padding:0 16px;position:sticky;top:0;z-index:50;
  background:#FFFDFA;border-bottom:1px solid var(--line);
}
.topbar .brand-text{color:var(--ink)}
.topbar-line{height:3px;position:sticky;top:60px;z-index:49;background:linear-gradient(90deg,var(--brand) 0 64%,var(--lime) 64% 72%,transparent 72%)}
.hamburger{
  width:42px;height:42px;border-radius:8px;border:1px solid var(--line);
  display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink)}
.app-drawer{
  position:fixed;top:0;left:0;bottom:0;width:280px;z-index:90;
  padding:22px 18px;overflow-y:auto;
  background:var(--dark);transform:translateX(-100%);
  transition:transform .24s var(--ease);
}
.app-drawer.is-open{transform:translateX(0)}
.drawer-mask{
  position:fixed;inset:0;z-index:85;background:rgba(20,17,15,.6);
  opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer-close{margin-left:auto;color:rgba(255,255,255,.66);font-size:13px;letter-spacing:.04em}

/* 主区布局 */
.site-main{margin-left:0}
@media (min-width:1024px){
  .site-main,.site-footer{margin-left:var(--sidebar)}
  .topbar,.topbar-line{display:none}
  .app-drawer,.drawer-mask{display:none}
}

/* 面包屑 */
.article-hero{padding:36px 0 0}
.crumbs-wrap{margin-bottom:26px}
.breadcrumbs{display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none;background:transparent;font-size:13px}
.breadcrumbs li{display:flex;align-items:center;max-width:100%;color:var(--muted)}
.breadcrumbs li::after{content:"/";margin-left:8px;color:#C7BFB4}
.breadcrumbs li:last-child::after{display:none}
.breadcrumbs li a{color:var(--muted)}
.breadcrumbs li a:hover{color:var(--brand)}
.breadcrumbs li:last-child{color:var(--brand-dark);font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* 文章头部 */
.article-head{display:flex;flex-wrap:wrap;justify-content:space-between;gap:24px;padding-bottom:26px;border-bottom:1px solid var(--line)}
.article-head-main{flex:1 1 560px;min-width:0}
.article-head h1{font-size:clamp(28px,3.6vw,44px);line-height:1.16;letter-spacing:-.02em;margin:14px 0 18px;max-width:820px}
.pill{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand-dark);font-size:12px;font-weight:600;letter-spacing:.06em;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:13px;color:var(--muted)}
.meta-time{font-family:var(--mono);font-variant-numeric:tabular-nums}
.meta-dot{width:4px;height:4px;border-radius:50%;background:#CFC7BC}
.head-actions{display:flex;gap:10px;align-items:flex-start;padding-top:8px}
.icon-btn{
  height:40px;padding:0 16px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:#fff;font-size:14px;font-weight:500;color:var(--ink);
  transition:border-color .18s var(--ease),color .18s var(--ease),background-color .18s var(--ease),transform .18s var(--ease);
}
.icon-btn:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px)}
.icon-btn.is-on{background:var(--brand);border-color:var(--brand);color:#fff}

/* 正文区 */
.article-section{padding:44px 0 64px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:56px}
@media (min-width:1200px){
  .article-layout{grid-template-columns:minmax(0,1fr) 320px}
}
.article-body{max-width:760px;font-size:16px;line-height:1.85;color:var(--ink)}
.article-body > *{margin:0 0 1.4em}
.article-body > *:last-child{margin-bottom:0}
.article-body h2{font-size:26px;line-height:1.32;font-weight:800;margin:2em 0 1em;letter-spacing:-.01em}
.article-body h3{font-size:20px;line-height:1.4;font-weight:700;margin:1.7em 0 .8em}
.article-body p{margin:0 0 1.4em;color:#2A241F}
.article-body a{color:var(--brand-dark);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--brand)}
.article-body ul,.article-body ol{padding-left:1.5em;margin:0 0 1.4em}
.article-body li{margin-bottom:.5em}
.article-body ol{list-style:none;counter-reset:item;padding-left:0}
.article-body ol > li{counter-increment:item;position:relative;padding-left:2em}
.article-body ol > li::before{
  content:counter(item,decimal-leading-zero);position:absolute;left:0;top:0;
  font-family:var(--mono);font-size:15px;font-weight:600;color:var(--brand);
}
.article-body blockquote{
  margin:0 0 1.4em;padding:16px 20px;border-left:4px solid var(--brand);
  background:var(--brand-soft);border-radius:0 var(--r-card) var(--r-card) 0;color:#3D332B;
}
.article-body blockquote p{margin:0;color:#3D332B}
.article-body img{border-radius:var(--r-img);margin:1.6em 0 .7em;width:100%}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:13px;color:var(--muted);margin-top:8px}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;display:block;overflow-x:auto;margin:0 0 1.4em}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;white-space:nowrap}
.article-body th{background:var(--brand-soft);font-weight:600}
.article-body code{font-family:var(--mono);font-size:14px;background:#F3EEE7;padding:2px 6px;border-radius:6px}
.article-body pre{background:#F7F3ED;border:1px solid var(--line);border-radius:var(--r-card);padding:16px;overflow-x:auto;margin:0 0 1.4em}
.article-body pre code{background:none;padding:0}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0}

/* 空态 */
.empty-state{
  max-width:760px;padding:48px 32px;text-align:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);
}
.empty-state h2{font-size:22px;margin-bottom:12px}
.empty-state p{color:var(--muted);margin-bottom:22px;font-size:15px}

/* 右侧栏 */
.article-side{display:none}
@media (min-width:1200px){
  .article-side{display:block;position:sticky;top:32px;align-self:start}
}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-1);margin-bottom:20px}
.side-card h3{font-size:15px;letter-spacing:.02em;margin-bottom:14px}
.side-list{list-style:none;margin:0;padding:0}
.side-list li{display:flex;gap:12px;padding:11px 0;border-top:1px solid var(--line);font-size:14px;line-height:1.65}
.side-list li:first-child{border-top:0;padding-top:0}
.side-list .num{font-family:var(--mono);font-size:12px;color:var(--brand);padding-top:3px}
.side-list a{color:#3A342E}
.side-list a:hover{color:var(--brand)}
.side-hint{font-size:13px;line-height:1.8;color:var(--muted)}

/* 文末区域 */
.article-foot{padding:0 0 72px}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;padding:24px 0 28px;border-top:1px solid var(--line)}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;
  border:1px solid var(--line);background:#fff;font-size:13px;color:var(--muted);
  transition:border-color .18s var(--ease),color .18s var(--ease),transform .18s var(--ease);
}
.tag:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px)}
.pager{display:grid;grid-template-columns:1fr;gap:16px;margin:0 0 52px}
@media (min-width:640px){.pager{grid-template-columns:1fr 1fr}}
.pager a{
  display:block;padding:20px 22px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.pager a:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#DED5C9;color:var(--ink)}
.pager .kicker{font-family:var(--mono);font-size:12px;letter-spacing:.06em;color:var(--brand);margin-bottom:8px;display:block}
.pager h4{font-size:16px;font-weight:600;line-height:1.55}
.rec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px}
.rec-head h2{font-size:clamp(20px,2.2vw,26px)}
.rec-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media (min-width:640px){.rec-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.rec-grid{grid-template-columns:repeat(3,1fr)}}
.rec-card{
  display:flex;flex-direction:column;overflow:hidden;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.rec-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:#DED5C9}
.rec-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:#EFEAE2}
.rec-media img{width:100%;height:100%;object-fit:cover;transition:transform .42s var(--ease),filter .42s var(--ease)}
.rec-card:hover .rec-media img{transform:scale(1.04);filter:brightness(.94)}
.rec-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.rec-body h3{font-size:17px;line-height:1.5}
.rec-body p{font-size:14px;line-height:1.7;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rec-more{margin-top:auto;font-size:14px;font-weight:600;color:var(--brand-dark)}
.rec-card:hover .rec-more{color:var(--brand)}
.back-row{margin-top:36px}

/* 订阅 CTA */
.cta-band{position:relative;background:var(--dark);color:#fff;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;opacity:.36}
.cta-band::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(20,17,15,.95) 0%,rgba(20,17,15,.74) 55%,rgba(20,17,15,.92) 100%)}
.cta-inner{position:relative;z-index:2;padding:72px 0}
.cta-inner h2{font-size:clamp(24px,3vw,34px);color:#fff}
.cta-lead{margin-top:14px;font-size:15px;line-height:1.9;color:rgba(255,255,255,.76);max-width:440px}
.cta-points{list-style:none;margin:22px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:10px 20px}
.cta-points li{font-size:13px;color:rgba(255,255,255,.7);display:flex;align-items:center;gap:8px}
.cta-points li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime)}
.cta-form{margin-top:28px;padding:24px;border:1px solid rgba(255,255,255,.14);border-radius:var(--r-card);background:rgba(255,255,255,.04)}
.field{display:block;margin-bottom:14px}
.field span{display:block;font-size:13px;color:rgba(255,255,255,.7);margin-bottom:8px}
.field input,.field select{
  width:100%;height:48px;padding:0 14px;border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.2);background:#FFFDFA;color:var(--ink);font-size:15px;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.field input:focus,.field select:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(240,74,33,.28)}
.form-note{font-size:12px;line-height:1.7;color:rgba(255,255,255,.5);margin-top:12px}

/* FAQ */
.faq-section{padding:72px 0}
.section-head{max-width:760px;margin:0 auto 34px;text-align:center}
.section-head h2{font-size:clamp(24px,2.8vw,34px)}
.section-head p{margin-top:12px;font-size:15px;color:var(--muted)}
.faq-list{max-width:760px;margin:0 auto;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  position:relative;list-style:none;cursor:pointer;
  padding:20px 44px 20px 0;font-size:17px;font-weight:600;line-height:1.5;
  transition:color .18s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";position:absolute;right:8px;top:26px;width:10px;height:10px;
  border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);
  transform:rotate(45deg);transition:transform .18s var(--ease);
}
.faq-item[open] summary::after{transform:rotate(-135deg)}
.faq-item[open] summary{color:var(--brand-dark)}
.faq-a{padding:0 0 22px 18px;border-left:3px solid var(--brand);color:#4A423B;font-size:15px;line-height:1.85;animation:fadeUp .18s var(--ease)}
@keyframes fadeUp{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

/* 页脚 */
.site-footer{background:#FFFDFA;border-top:1px solid var(--line);padding:56px 0 24px}
.footer-row{gap:32px 0}
.footer-row > .cell{padding-right:24px}
.footer-brand .brand{margin-bottom:16px}
.brand--footer .brand-text{color:var(--ink)}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--muted);max-width:360px}
.footer-col h4{font-size:14px;letter-spacing:.06em;margin-bottom:14px;color:var(--ink)}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:var(--muted)}
.footer-col a:hover{color:var(--brand)}
.footer-col p{font-size:13px;line-height:1.85;color:var(--muted)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  font-size:13px;color:var(--muted);
}

/* 进入视口动效 */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .42s var(--ease),transform .42s var(--ease)}
.reveal.in-view{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

@media (max-width:639px){
  .container{padding:0 16px}
  .article-hero{padding-top:26px}
  .article-section{padding:32px 0 48px}
  .cta-inner{padding:56px 0}
  .faq-section{padding:56px 0}
  .site-footer{padding:44px 0 20px}
  .pager h4{font-size:15px}
}

/* roulang page: category2 */
:root{
  --brand:#F04A21;
  --brand-dark:#C43A14;
  --brand-soft:#FFEDE6;
  --lime:#B7F03C;
  --ink:#14110F;
  --text:#1E1A17;
  --muted:#6B645C;
  --line:#E7E1D8;
  --bg:#FAF7F2;
  --card:#FFFFFF;
  --ok:#1F9D6B;
  --warn:#D9A21A;
  --r-card:12px;
  --r-btn:8px;
  --r-img:10px;
  --sh-1:0 1px 2px rgba(20,17,15,.04);
  --sh-2:0 8px 24px rgba(20,17,15,.06);
  --sh-3:0 14px 32px rgba(20,17,15,.10);
  --ease:cubic-bezier(.22,.61,.36,1);
  --sidebar-w:248px;
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-mono:ui-monospace,Menlo,Consolas,"Courier New",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:var(--font-sans);font-size:16px;line-height:1.85;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
body.nav-open{overflow:hidden}
img{max-width:100%;display:block;border-radius:0}
a{color:inherit;text-decoration:none;transition:color 180ms var(--ease)}
a:hover{color:var(--brand-dark)}
h1,h2,h3,h4,p,ul,ol,dl,dd,figure{margin:0}
ul{list-style:none;padding:0}
h1,h2,h3{font-weight:800;letter-spacing:-.01em;color:var(--ink)}
p{color:var(--text)}
button,input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
section[id],div[id]{scroll-margin-top:80px}

/* ---------- 基础容器 ---------- */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.eyebrow{display:inline-block;font-size:12px;line-height:1.4;letter-spacing:.06em;font-weight:500;color:var(--brand);margin-bottom:12px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;padding-bottom:22px;margin-bottom:40px;border-bottom:1px solid var(--line)}
.section-head h2{font-size:clamp(26px,3.2vw,40px);line-height:1.2;letter-spacing:-.02em}
.section-desc{max-width:420px;font-size:15px;color:var(--muted);line-height:1.8}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.02em;
  border:1.5px solid transparent;background:transparent;cursor:pointer;
  transition:background 240ms var(--ease),color 240ms var(--ease),transform 240ms var(--ease),box-shadow 240ms var(--ease),border-color 240ms var(--ease);
}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 10px 22px rgba(240,74,33,.28)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 10px rgba(240,74,33,.20)}
.btn-ghost{border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.link-more{font-size:14px;font-weight:600;color:var(--brand);background-image:linear-gradient(currentColor,currentColor);background-size:0 1.5px;background-repeat:no-repeat;background-position:0 100%;transition:background-size 180ms var(--ease)}
.link-more:hover{background-size:100% 1.5px;color:var(--brand-dark)}
.link-more::after{content:"→";margin-left:6px;font-family:var(--font-mono)}

/* ---------- 品牌 ---------- */
.brand{display:inline-flex;align-items:center;gap:10px;line-height:1.2}
.brand-mark{width:30px;height:30px;flex:none;border-radius:8px;background:var(--brand);display:grid;grid-template-columns:1fr 1fr;gap:3px;padding:5px}
.brand-mark i{display:block;background:rgba(255,255,255,.9);border-radius:2px}
.brand-mark i:last-child{background:var(--lime)}
.brand-text{font-weight:800;font-size:16px;letter-spacing:.01em}

/* ---------- 左侧 App Shell ---------- */
.app-sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
  background:var(--ink);color:#fff;z-index:60;padding:28px 20px 24px;
  overflow-y:auto;
}
.sidebar-inner{display:flex;flex-direction:column;min-height:100%}
.app-sidebar .brand{color:#fff;margin-bottom:36px}
.app-sidebar .brand:hover{color:#fff}
.sidebar-nav{display:flex;flex-direction:column;gap:4px}
.side-link{
  position:relative;display:flex;align-items:center;gap:12px;
  padding:13px 14px;border-radius:8px;font-size:15px;font-weight:500;
  color:rgba(255,255,255,.72);transition:background 180ms var(--ease),color 180ms var(--ease)
}
.side-link::before{content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:2px;background:var(--brand);opacity:0;transition:opacity 180ms var(--ease)}
.side-link:hover{background:rgba(255,255,255,.06);color:#fff}
.side-link.is-active{background:rgba(255,255,255,.06);color:#fff;font-weight:600}
.side-link.is-active::before{opacity:1}
.side-idx{font-family:var(--font-mono);font-size:12px;color:rgba(255,255,255,.45)}
.side-link.is-active .side-idx{color:var(--lime)}
.sidebar-foot{margin-top:auto;padding-top:32px}
.sidebar-note{font-size:12px;line-height:1.7;color:rgba(255,255,255,.48);margin-bottom:16px}
.sidebar-foot .btn-primary{font-size:14px;height:44px}

/* ---------- 移动顶栏 ---------- */
.mobile-topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:60px;z-index:70;
  align-items:center;justify-content:space-between;padding:0 16px;
  background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--sh-1)
}
.mobile-topbar .brand-text{font-size:15px}
.nav-toggle{
  width:44px;height:44px;border-radius:8px;border:1px solid var(--line);
  background:#fff;display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:background 180ms var(--ease),border-color 180ms var(--ease)
}
.nav-toggle:hover{background:var(--brand-soft);border-color:var(--brand)}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-mask{display:none;position:fixed;inset:0;background:rgba(20,17,15,.6);z-index:55;opacity:0;transition:opacity 240ms var(--ease)}
.nav-mask.is-open{display:block;opacity:1}

/* ---------- 主区域 ---------- */
.app-main{padding-left:var(--sidebar-w);display:flex;flex-direction:column;min-height:100vh}
.app-main main{flex:1 1 auto}

/* ---------- 页头横幅 ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--ink);min-height:400px;display:flex;align-items:flex-end}
.page-hero-bg{position:absolute;inset:0;background-image:url("/assets/images/backpic/back-2.webp");background-size:cover;background-position:center;transform:scale(1.02)}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(20,17,15,.92) 0%,rgba(20,17,15,.72) 46%,rgba(20,17,15,.35) 100%)}
.page-hero::before{content:"";position:absolute;z-index:1;top:-20%;right:-6%;width:64%;height:150%;background:linear-gradient(90deg,rgba(240,74,33,0) 0%,rgba(240,74,33,.30) 55%,rgba(240,74,33,0) 100%);transform:rotate(12deg);pointer-events:none}
.page-hero-inner{position:relative;z-index:2;padding-top:110px;padding-bottom:64px}
.crumb{display:flex;align-items:center;gap:10px;font-size:13px;color:rgba(255,255,255,.6);margin-bottom:22px}
.crumb a{color:rgba(255,255,255,.75)}
.crumb a:hover{color:#fff}
.crumb span.sep{font-family:var(--font-mono);color:rgba(255,255,255,.35)}
.crumb-current{color:var(--lime)}
.page-hero h1{
  color:#fff;font-size:clamp(34px,5vw,64px);line-height:1.08;letter-spacing:-.02em;
  max-width:16em;margin-bottom:20px
}
.page-hero-sub{font-size:clamp(15px,1.6vw,18px);color:rgba(255,255,255,.82);max-width:32em;line-height:1.7}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.page-hero .btn-ghost{border-color:rgba(255,255,255,.55);color:#fff}
.page-hero .btn-ghost:hover{background:#fff;color:var(--ink);border-color:#fff}

/* ---------- 数据条 ---------- */
.kpi-band{background:#fff;border-bottom:1px solid var(--line)}
.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.kpi-cell{padding:32px 24px;border-left:1px solid var(--line)}
.kpi-cell:first-child{border-left:none}
.kpi-num{font-family:var(--font-mono);font-size:28px;font-weight:700;color:var(--ink);letter-spacing:-.02em;line-height:1.2}
.kpi-num em{font-style:normal;font-size:15px;color:var(--brand);margin-left:2px}
.kpi-label{font-size:12px;letter-spacing:.06em;color:var(--muted);margin-top:6px}

/* ---------- 战队分栏列表 ---------- */
.roster-list{border-top:1px solid var(--line)}
.roster-row{
  position:relative;display:grid;
  grid-template-columns:42px 96px minmax(0,1fr) auto auto;
  align-items:center;gap:24px;padding:22px 20px 22px 16px;
  border-bottom:1px solid var(--line);background:#fff;
  transition:background 240ms var(--ease),transform 240ms var(--ease)
}
.roster-row::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:2px;background:var(--brand);opacity:0;transition:opacity 240ms var(--ease)}
.roster-row:hover{background:var(--bg)}
.roster-row:hover::before{opacity:1}
.roster-idx{font-family:var(--font-mono);font-size:14px;color:var(--muted);letter-spacing:.02em}
.roster-row:hover .roster-idx{color:var(--brand)}
.roster-thumb{width:96px;height:96px;border-radius:var(--r-img);object-fit:cover;background:var(--bg)}
.roster-title{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-bottom:8px}
.roster-title h3{font-size:20px;line-height:1.4}
.roster-main p{font-size:14px;line-height:1.75;color:var(--muted);max-width:46em}
.tag{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;background:var(--brand-soft);color:var(--brand-dark);font-size:12px;font-weight:500;letter-spacing:.02em;white-space:nowrap}
.tag-lime{background:rgba(183,240,60,.24);color:#4a6b00}
.tag-line{background:transparent;border:1px solid var(--line);color:var(--muted)}
.roster-specs{display:grid;grid-template-columns:repeat(3,auto);gap:22px}
.roster-specs dt{font-size:12px;color:var(--muted);letter-spacing:.04em;margin-bottom:2px}
.roster-specs dd{font-family:var(--font-mono);font-size:16px;font-weight:700;color:var(--ink);line-height:1.3}
.roster-act{display:flex;justify-content:flex-end}
.roster-row:hover .btn-primary{transform:translateY(-2px)}

/* ---------- 双列说明 ---------- */
.notes-grid{margin-top:0}
.note-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;height:100%;display:flex;flex-direction:column;transition:box-shadow 240ms var(--ease),transform 240ms var(--ease)}
.note-card:hover{box-shadow:var(--sh-2);transform:translateY(-3px)}
.note-cover{width:100%;aspect-ratio:16/10;object-fit:cover}
.note-body{padding:28px 26px 30px}
.note-body h3{font-size:20px;line-height:1.4;margin-bottom:12px}
.note-body p{font-size:14.5px;color:var(--muted);line-height:1.8;margin-bottom:18px}
.point-list li{position:relative;padding-left:20px;font-size:14px;color:var(--text);line-height:1.8;margin-bottom:10px}
.point-list li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:2px;background:var(--brand)}
.point-list li:last-child{margin-bottom:0}

/* ---------- 流程 ---------- */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.flow-step{position:relative;padding-top:22px;border-top:2px solid var(--line)}
.flow-step::after{content:"";position:absolute;top:-2px;left:0;width:56px;height:2px;background:var(--brand)}
.flow-num{font-family:var(--font-mono);font-size:13px;letter-spacing:.08em;color:var(--brand);margin-bottom:10px;display:block}
.flow-step h3{font-size:17px;line-height:1.45;margin-bottom:10px}
.flow-step p{font-size:14px;color:var(--muted);line-height:1.75}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:760px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);margin-bottom:12px;overflow:hidden;transition:box-shadow 240ms var(--ease),border-color 240ms var(--ease)}
.faq-item[open]{box-shadow:inset 3px 0 0 var(--brand),var(--sh-1);border-color:#dcd4c8}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;font-size:16px;font-weight:600;color:var(--ink);line-height:1.6
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";flex:none;width:9px;height:9px;margin-right:4px;
  border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);
  transform:rotate(45deg);transition:transform 180ms var(--ease)
}
.faq-item[open] summary::after{transform:rotate(-135deg);border-color:var(--brand)}
.faq-answer{padding:0 24px 22px;font-size:14.5px;line-height:1.85;color:var(--muted);animation:fadeIn 180ms var(--ease)}
@keyframes fadeIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}

/* ---------- CTA ---------- */
.cta-band{background:var(--ink);color:#fff;padding:80px 0}
.cta-inner{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:56px;align-items:start}
.cta-copy h2{color:#fff;font-size:clamp(26px,3.2vw,40px);line-height:1.2;margin-bottom:16px}
.cta-copy p{color:rgba(255,255,255,.72);font-size:15px;line-height:1.85;max-width:34em}
.cta-points{margin-top:24px}
.cta-points li{position:relative;padding-left:20px;font-size:14px;color:rgba(255,255,255,.78);margin-bottom:10px}
.cta-points li::before{content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:2px;background:var(--lime)}
.cta-form{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:var(--r-card);padding:26px;max-width:560px}
.cta-form label{display:block;font-size:13px;color:rgba(255,255,255,.7);margin-bottom:16px}
.cta-form input{
  display:block;width:100%;margin-top:8px;height:48px;padding:0 14px;
  border-radius:var(--r-btn);border:1.5px solid transparent;background:#FAF7F2;color:var(--ink);
  transition:border-color 180ms var(--ease),box-shadow 180ms var(--ease)
}
.cta-form input::placeholder{color:#a49b90}
.cta-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(240,74,33,.22)}
.form-hint{font-size:12px;color:rgba(255,255,255,.5);line-height:1.7;margin-top:14px}

/* ---------- 页脚 ---------- */
.site-footer{background:#fff;border-top:1px solid var(--line);padding:64px 0 0;font-size:14px;color:var(--muted)}
.footer-row{row-gap:32px}
.footer-brand .brand{color:var(--ink);margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--muted);max-width:34em}
.footer-col h4{font-size:14px;font-weight:700;color:var(--ink);margin-bottom:16px;letter-spacing:.02em}
.footer-col li{margin-bottom:10px}
.footer-col a{color:var(--muted);font-size:14px}
.footer-col a:hover{color:var(--brand)}
.footer-col p{font-size:13.5px;line-height:1.85;color:var(--muted)}
.footer-bottom{
  margin-top:48px;border-top:1px solid var(--line);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--muted)
}
.footer-bottom span:last-child{font-family:var(--font-mono);letter-spacing:.02em}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity 420ms var(--ease),transform 420ms var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .roster-specs{gap:16px}
}
@media (max-width:1023px){
  .mobile-topbar{display:flex}
  .app-sidebar{transform:translateX(-100%);transition:transform 240ms var(--ease);box-shadow:var(--sh-3)}
  .app-sidebar.is-open{transform:translateX(0)}
  .app-main{padding-left:0;padding-top:60px}
  .section{padding:72px 0}
  .page-hero-inner{padding-top:80px;padding-bottom:52px}
  .page-hero{min-height:340px}
  .kpi-grid{grid-template-columns:repeat(2,1fr)}
  .kpi-cell:nth-child(odd){border-left:none}
  .kpi-cell:nth-child(n+3){border-top:1px solid var(--line)}
  .flow-grid{grid-template-columns:repeat(2,1fr);gap:28px}
  .cta-inner{grid-template-columns:1fr;gap:36px}
  .roster-row{grid-template-columns:38px 80px minmax(0,1fr);row-gap:16px}
  .roster-thumb{width:80px;height:80px}
  .roster-specs{grid-column:2 / -1}
  .roster-act{grid-column:2 / -1;justify-content:flex-start}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .section{padding:56px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:28px}
  .section-desc{max-width:none}
  .page-hero{min-height:300px}
  .page-hero-inner{padding-top:64px;padding-bottom:44px}
  .hero-actions{gap:10px}
  .hero-actions .btn{width:100%}
  .kpi-cell{padding:24px 18px}
  .kpi-num{font-size:24px}
  .flow-grid{grid-template-columns:1fr}
  .roster-row{grid-template-columns:minmax(0,1fr);gap:14px;padding:20px 16px}
  .roster-idx{position:absolute;top:18px;right:18px}
  .roster-thumb{width:100%;height:auto;aspect-ratio:16/10}
  .roster-specs{grid-column:auto;grid-template-columns:repeat(3,1fr);width:100%}
  .roster-act{grid-column:auto}
  .roster-act .btn{width:100%}
  .cta-form{padding:20px}
  .footer-bottom{flex-direction:column}
}
@media (max-width:520px){
  .roster-specs{grid-template-columns:repeat(2,1fr);gap:12px 16px}
  .faq-item summary{padding:16px 18px;font-size:15px}
  .faq-answer{padding:0 18px 18px}
}