/* roulang page: index */
:root{
  --bg-base:#0A0F0D;
  --bg-elev:#121A16;
  --bg-soft:#F4F6F0;
  --line:rgba(255,255,255,.08);
  --line-soft:rgba(16,24,20,.10);
  --text-1:#F2F5EF;
  --text-2:#9AA8A0;
  --ink-dark:#1A1F1C;
  --ink-dark-2:#5A6560;
  --accent:#C8F04A;
  --accent-2:#FF6A2B;
  --accent-3:#2FD6A8;
  --r-card:16px;
  --r-btn:12px;
  --ease:cubic-bezier(.22,1,.36,1);
  --sh-deep:0 24px 60px -32px rgba(0,0,0,.75);
  --sh-soft:0 10px 30px -18px rgba(16,24,20,.16);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--text-1);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,select,textarea{font-family:inherit;font-size:16px}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:8px}
::selection{background:var(--accent);color:#0A0F0D}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";letter-spacing:.02em}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
@media(min-width:768px){.container{padding-left:32px;padding-right:32px}}
@media(min-width:1024px){.container{padding-left:48px;padding-right:48px}}
@media(min-width:1536px){.container{max-width:1280px}}

/* ---------- App shell ---------- */
.shell{min-height:100vh}
@media(min-width:1024px){.shell{padding-left:88px}}
@media(min-width:1280px){.shell{padding-left:240px}}

.side{
  display:none;
}
@media(min-width:1024px){
  .side{
    display:flex;flex-direction:column;
    position:fixed;top:0;left:0;bottom:0;width:88px;
    background:var(--bg-elev);
    border-right:1px solid var(--line);
    padding:22px 12px 20px;
    z-index:60;
  }
}
@media(min-width:1280px){
  .side{width:240px;padding:26px 18px 22px}
}
.side-brand{display:flex;align-items:center;gap:10px;padding:0 4px 22px;border-bottom:1px solid var(--line)}
.side-mark{
  flex:0 0 auto;width:40px;height:40px;border-radius:12px;
  background:linear-gradient(150deg,var(--accent) 0%,var(--accent-3) 100%);
  color:#0A0F0D;display:grid;place-items:center;font-weight:800;font-size:16px;
}
.side-brand-text{display:none;line-height:1.3}
@media(min-width:1280px){.side-brand-text{display:block}}
.side-brand-text b{display:block;font-size:15px;font-weight:700;letter-spacing:-.01em}
.side-brand-text span{display:block;font-size:11px;color:var(--text-2);letter-spacing:.08em}
.side-nav{margin-top:20px;display:flex;flex-direction:column;gap:6px;flex:1 1 auto}
.side-link{
  position:relative;display:flex;align-items:center;gap:12px;height:44px;padding:0 12px;
  border-radius:10px;color:var(--text-2);font-size:14px;font-weight:600;
  transition:background .22s var(--ease),color .22s var(--ease);
}
.side-link i{width:20px;text-align:center;font-size:16px;flex:0 0 auto}
.side-link:hover{background:rgba(255,255,255,.04);color:var(--text-1)}
.side-link.is-active{background:rgba(200,240,74,.08);color:var(--text-1)}
.side-link.is-active::before{
  content:'';position:absolute;left:-12px;top:10px;bottom:10px;width:3px;
  border-radius:0 3px 3px 0;background:var(--accent);
}
.side-link-text{display:none}
@media(min-width:1280px){.side-link-text{display:inline}}
.side-tip{
  position:absolute;left:100%;top:50%;transform:translateY(-50%);margin-left:12px;
  background:#182220;border:1px solid var(--line);color:var(--text-1);
  padding:6px 10px;border-radius:8px;font-size:12px;white-space:nowrap;
  opacity:0;pointer-events:none;transition:opacity .18s var(--ease);z-index:70;
}
@media(min-width:1024px) and (max-width:1279px){
  .side-link:hover .side-tip{opacity:1}
}
@media(min-width:1280px){.side-tip{display:none}}
.side-foot{border-top:1px solid var(--line);padding-top:16px;margin-top:16px}
.side-cta{
  display:flex;align-items:center;justify-content:center;gap:8px;
  height:44px;border-radius:var(--r-btn);
  background:var(--accent);color:#0A0F0D;font-weight:700;font-size:14px;
  transition:transform .22s var(--ease),filter .22s var(--ease);
}
.side-cta:hover{filter:brightness(1.06);transform:translateY(-1px)}
.side-note{display:none;margin-top:12px;font-size:11px;color:var(--text-2);letter-spacing:.04em;text-align:center}
@media(min-width:1280px){.side-note{display:block}}
.side-cta-text{display:none}
@media(min-width:1280px){.side-cta-text{display:inline}}

/* ---------- Mobile top bar ---------- */
.topbar{
  position:sticky;top:0;z-index:70;height:56px;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 16px;background:rgba(10,15,13,.92);
  border-bottom:1px solid var(--line);backdrop-filter:blur(8px);
}
@media(min-width:1024px){.topbar{display:none}}
.topbar-brand{display:flex;align-items:center;gap:9px;font-weight:700;font-size:14px}
.topbar-mark{
  width:32px;height:32px;border-radius:10px;
  background:linear-gradient(150deg,var(--accent) 0%,var(--accent-3) 100%);
  color:#0A0F0D;display:grid;place-items:center;font-size:13px;font-weight:800;
}
.burger{
  width:44px;height:44px;display:grid;place-items:center;border-radius:10px;
  border:1px solid var(--line);background:transparent;color:var(--text-1);cursor:pointer;
  transition:border-color .22s var(--ease),background .22s var(--ease);
}
.burger:hover{border-color:rgba(200,240,74,.4);background:rgba(255,255,255,.04)}
.drawer-mask{
  position:fixed;inset:0;background:rgba(0,0,0,.5);opacity:0;pointer-events:none;
  transition:opacity .24s var(--ease);z-index:80;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;left:0;bottom:0;width:280px;background:var(--bg-elev);
  border-right:1px solid var(--line);z-index:90;padding:20px 16px;
  transform:translateX(-100%);transition:transform .26s var(--ease);
  display:flex;flex-direction:column;
}
.drawer.is-open{transform:translateX(0)}
@media(min-width:1024px){.drawer,.drawer-mask{display:none}}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line)}
.drawer-close{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:transparent;color:var(--text-1);cursor:pointer;
}
.drawer-nav{margin-top:16px;display:flex;flex-direction:column;gap:6px;flex:1 1 auto}
.drawer-nav a{
  display:flex;align-items:center;gap:12px;height:46px;padding:0 14px;border-radius:10px;
  color:var(--text-2);font-size:15px;font-weight:600;
}
.drawer-nav a.is-active{background:rgba(200,240,74,.08);color:var(--text-1)}
.drawer-nav a:hover{background:rgba(255,255,255,.04);color:var(--text-1)}

/* ---------- Typography ---------- */
.h1{font-size:clamp(32px,4.4vw,60px);font-weight:700;line-height:1.08;letter-spacing:-.02em;margin:0}
.h2{font-size:clamp(24px,2.4vw,36px);font-weight:700;line-height:1.2;letter-spacing:-.015em;margin:0}
.h3{font-size:20px;font-weight:600;line-height:1.4;margin:0}
.lead{font-size:clamp(15px,1.2vw,17px);color:var(--text-2);line-height:1.85;margin:0}
.eyebrow{font-size:12px;font-weight:600;letter-spacing:.16em;color:var(--accent-3);text-transform:uppercase}
.section{padding-top:64px;padding-bottom:64px}
@media(min-width:768px){.section{padding-top:96px;padding-bottom:96px}}
@media(min-width:1280px){.section{padding-top:118px;padding-bottom:118px}}
.section-soft{background:var(--bg-soft);color:var(--ink-dark)}
.section-soft .lead{color:var(--ink-dark-2)}
.section-head{max-width:720px;margin-bottom:40px}
@media(min-width:768px){.section-head{margin-bottom:52px}}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;cursor:pointer;border:1px solid transparent;
  transition:transform .22s var(--ease),filter .22s var(--ease),border-color .22s var(--ease),background .22s var(--ease),color .22s var(--ease);
}
.btn-primary{background:var(--accent);color:#0A0F0D}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.22)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text-1)}
.btn-ghost:hover{border-color:rgba(200,240,74,.45);color:var(--text-1);transform:translateY(-1px)}
.btn-dark{background:#121A16;color:var(--text-1);border-color:var(--line-soft)}
.btn-dark:hover{transform:translateY(-1px);filter:brightness(1.1)}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none}
.textlink{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--accent);
}
.textlink i{transition:transform .22s var(--ease)}
.textlink:hover i{transform:translateX(4px)}

/* ---------- Badges / tags ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.04em;
}
.badge-lime{background:rgba(200,240,74,.12);color:var(--accent);border:1px solid rgba(200,240,74,.24)}
.badge-mint{background:rgba(47,214,168,.12);color:var(--accent-3);border:1px solid rgba(47,214,168,.24)}
.badge-line{background:transparent;color:var(--text-2);border:1px solid var(--line)}
.badge-soft{background:rgba(26,31,28,.06);color:var(--ink-dark-2);border:1px solid var(--line-soft)}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  background:rgba(47,214,168,.10);color:var(--accent-3);font-size:12px;font-weight:600;
}
.status{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 11px;border-radius:999px;font-size:12px;font-weight:600}
.status-live{background:rgba(255,106,43,.14);color:var(--accent-2)}
.status-soon{background:rgba(200,240,74,.12);color:var(--accent)}
.status-done{background:rgba(154,168,160,.14);color:var(--text-2)}
.dot{width:6px;height:6px;border-radius:999px;background:currentColor}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  min-height:78vh;max-height:88vh;
  display:flex;align-items:center;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.hero::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(10,15,13,.94) 0%,rgba(10,15,13,.74) 52%,rgba(10,15,13,.55) 100%);
}
.hero::after{
  content:'';position:absolute;right:-120px;top:-120px;width:420px;height:420px;
  border:1px solid rgba(200,240,74,.14);border-radius:999px;pointer-events:none;
}
.hero-inner{position:relative;z-index:2;width:100%;padding-top:72px;padding-bottom:72px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px}
.hero-title{margin:0 0 18px;max-width:640px}
.hero-sub{max-width:34ch;font-size:clamp(15px,1.35vw,18px);color:var(--text-2);line-height:1.8;margin:0 0 30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-float{
  position:absolute;right:48px;bottom:56px;width:320px;
  border-radius:var(--r-card);overflow:hidden;
  border:1px solid rgba(255,255,255,.14);box-shadow:var(--sh-deep);
  transition:transform .3s var(--ease);
}
.hero-float img{width:100%;height:200px;object-fit:cover}
.hero-float:hover{transform:translateY(-4px)}
.hero-float-cap{
  position:absolute;left:0;right:0;bottom:0;padding:14px 16px;
  background:linear-gradient(to top,rgba(10,15,13,.94),rgba(10,15,13,0));
}
.hero-float-cap b{display:block;font-size:14px;font-weight:700}
.hero-float-cap span{font-size:12px;color:var(--text-2)}
@media(max-width:1279px){.hero-float{display:none}}

/* ---------- Stats ---------- */
.stats{
  display:grid;grid-template-columns:repeat(2,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
}
@media(min-width:900px){.stats{grid-template-columns:repeat(4,1fr)}}
.stat{background:var(--bg-elev);padding:26px 22px}
.stat b{display:block;font-size:clamp(26px,3vw,38px);font-weight:700;letter-spacing:-.02em;line-height:1.1;color:var(--accent)}
.stat span{display:block;margin-top:8px;font-size:13px;color:var(--text-2);letter-spacing:.04em}

/* ---------- Timeline ---------- */
.timeline{position:relative;display:flex;flex-direction:column;gap:36px}
.timeline::before{
  content:'';position:absolute;left:87px;top:10px;bottom:10px;width:1px;background:var(--line);
}
@media(min-width:1280px){.timeline::before{left:103px}}
.tl-item{position:relative;display:grid;grid-template-columns:88px 1fr;gap:28px;align-items:start}
@media(min-width:1280px){.tl-item{grid-template-columns:104px 1fr;gap:32px}}
.tl-item::before{
  content:'';position:absolute;left:84px;top:14px;width:8px;height:8px;border-radius:999px;
  background:var(--accent);box-shadow:0 0 0 4px rgba(200,240,74,.16);
}
@media(min-width:1280px){.tl-item::before{left:100px}}
.tl-time{font-size:20px;font-weight:700;text-align:right;color:var(--text-1);letter-spacing:-.01em}
.tl-card{
  background:var(--bg-elev);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px 22px;transition:transform .22s var(--ease),border-color .22s var(--ease);
}
.tl-card:hover{transform:translateY(-3px);border-color:rgba(200,240,74,.3)}
.tl-head{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap}
.tl-head h3{font-size:17px;font-weight:600;margin:0}
.tl-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:10px;font-size:13px;color:var(--text-2)}
@media(max-width:767px){
  .timeline::before{left:5px}
  .tl-item{grid-template-columns:1fr;gap:10px;padding-left:26px}
  .tl-item::before{left:1px;top:8px}
  .tl-time{text-align:left;font-size:17px}
}

/* ---------- Cards ---------- */
.card{
  display:flex;flex-direction:column;height:100%;
  background:var(--bg-elev);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.card:hover{transform:translateY(-3px);border-color:rgba(200,240,74,.3);box-shadow:var(--sh-deep)}
.card-media{overflow:hidden;aspect-ratio:16/10;background:#0e1513}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.card:hover .card-media img{transform:scale(1.04)}
.card-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto}
.card-title{font-size:17px;font-weight:600;line-height:1.5;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-desc{font-size:14px;line-height:1.85;color:var(--text-2);margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:14px;border-top:1px solid var(--line);font-size:12px;color:var(--text-2)}
.feature-wide{grid-column:span 2}
@media(max-width:1023px){.feature-wide{grid-column:span 1}}

/* ---------- Plans ---------- */
.plans{display:grid;gap:20px;grid-template-columns:1fr}
@media(min-width:640px){.plans{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1100px){.plans{grid-template-columns:repeat(4,1fr)}}
.plan{
  position:relative;display:flex;flex-direction:column;gap:18px;
  background:var(--bg-elev);border:1px solid var(--line);border-radius:var(--r-card);padding:26px 22px;
  transition:transform .22s var(--ease),border-color .22s var(--ease);
}
.plan:hover{transform:translateY(-3px)}
.plan-featured{border:1.5px solid rgba(200,240,74,.7);background:rgba(200,240,74,.05)}
.plan-flag{
  position:absolute;top:-13px;left:22px;height:26px;padding:0 12px;border-radius:999px;
  background:var(--accent);color:#0A0F0D;font-size:12px;font-weight:700;display:inline-flex;align-items:center;
}
.plan-name{font-size:15px;font-weight:700;color:var(--text-2);letter-spacing:.06em}
.plan-price{display:flex;align-items:baseline;gap:6px}
.plan-price b{font-size:36px;font-weight:700;letter-spacing:-.02em;line-height:1}
.plan-price span{font-size:13px;color:var(--text-2)}
.plan-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px;font-size:14px;color:var(--text-2)}
.plan-list li{display:flex;align-items:flex-start;gap:10px;line-height:1.7}
.plan-list li i{width:16px;margin-top:5px;font-size:12px;flex:0 0 auto}
.plan-list .yes{color:var(--text-1)}
.plan-list .yes i{color:var(--accent)}
.plan-list .no i{color:var(--text-2);opacity:.6}

/* ---------- Form ---------- */
.form-panel{
  background:var(--bg-elev);border:1px solid var(--line);border-radius:var(--r-card);padding:26px;
}
@media(min-width:768px){.form-panel{padding:34px}}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:18px}
.field label{font-size:13px;font-weight:600;color:var(--text-2);letter-spacing:.04em}
.field input,.field select,.field textarea{
  width:100%;background:var(--bg-base);border:1px solid var(--line);border-radius:10px;
  padding:12px 14px;color:var(--text-1);transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field input::placeholder,.field textarea::placeholder{color:rgba(154,168,160,.65)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--accent);box-shadow:0 0 0 2px rgba(200,240,74,.2);
}
.field textarea{resize:vertical;min-height:104px;line-height:1.7}
.checkline{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--text-2);line-height:1.7;margin-bottom:20px}
.checkline input{width:18px;height:18px;margin-top:4px;accent-color:var(--accent);flex:0 0 auto}
.point-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:16px}
.point-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--text-2);line-height:1.7}
.point-list i{color:var(--accent);margin-top:6px;font-size:13px}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;background:transparent;border:0;color:var(--text-1);
  font-size:16px;font-weight:600;text-align:left;cursor:pointer;min-height:44px;
}
.faq-q:hover{color:var(--accent)}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:999px;border:1px solid var(--line);
  display:grid;place-items:center;font-size:12px;color:var(--text-2);
  transition:transform .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);border-color:rgba(200,240,74,.5);color:var(--accent)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s var(--ease)}
.faq-a p{margin:0 0 22px;color:var(--text-2);font-size:15px;line-height:1.9;max-width:74ch}

/* ---------- CTA strip ---------- */
.cta-strip{
  display:flex;flex-direction:column;gap:20px;align-items:flex-start;
  background:var(--bg-elev);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;
}
@media(min-width:768px){
  .cta-strip{flex-direction:row;align-items:center;justify-content:space-between;padding:32px 36px}
}
.cta-strip h2{font-size:22px;font-weight:700;margin:0 0 6px}
.cta-strip p{margin:0;color:var(--text-2);font-size:14px}

/* ---------- Empty state ---------- */
.empty-state{
  border:1px dashed var(--line);border-radius:var(--r-card);
  padding:54px 24px;text-align:center;color:var(--text-2);
}
.empty-state i{font-size:26px;color:var(--accent-3)}
.empty-state p{margin:14px 0 20px;font-size:15px}

/* ---------- Footer ---------- */
.footer{border-top:1px solid var(--line);background:var(--bg-elev);padding-top:64px;padding-bottom:28px}
.footer-grid{display:grid;gap:36px;grid-template-columns:1fr}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1100px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr}}
.footer h4{font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--text-2);margin:0 0 18px}
.footer-brand b{display:block;font-size:17px;font-weight:700;margin-bottom:12px}
.footer-brand p{margin:0;font-size:13px;color:var(--text-2);line-height:1.9;max-width:34ch}
.footer-links{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}
.footer-links a{font-size:14px;color:var(--text-2);transition:color .2s var(--ease)}
.footer-links a:hover{color:var(--accent)}
.footer-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:12px;color:var(--text-2);
}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(8px);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}
  *{animation:none!important;transition-duration:.01ms!important}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
  --bg-base:#0A0F0D;
  --bg-elev:#121A16;
  --bg-elev-2:#16201B;
  --bg-soft:#F4F6F0;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --line-dark:rgba(16,24,20,.10);
  --text-1:#F2F5EF;
  --text-2:#9AA8A0;
  --text-dark-1:#1A1F1C;
  --text-dark-2:#5A6560;
  --accent:#C8F04A;
  --accent-2:#FF6A2B;
  --accent-3:#2FD6A8;
  --r-card:16px;
  --r-sm:10px;
  --r-pill:999px;
  --shadow-deep:0 24px 60px -32px rgba(0,0,0,.75);
  --shadow-soft:0 10px 30px -18px rgba(16,24,20,.16);
  --ease:cubic-bezier(.22,1,.36,1);
  --mono:"SFMono-Regular",Menlo,Consolas,"Liberation Mono",monospace;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--text-1);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
ul,ol{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4,p{margin:0;}
::selection{background:var(--accent);color:#0A0F0D;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media(min-width:768px){.container{padding:0 32px;}}
@media(min-width:1280px){.container{padding:0 48px;}}
@media(min-width:1536px){.container{max-width:1280px;}}

/* ---------- App Shell ---------- */
.app-side{
  position:fixed;top:0;left:0;z-index:60;
  width:240px;height:100vh;
  background:var(--bg-elev);
  border-right:1px solid var(--line);
  display:flex;flex-direction:column;
  padding:24px 16px 20px;
  transition:width 220ms var(--ease);
}
.side-brand{display:flex;align-items:center;gap:10px;padding:4px 8px 20px;border-bottom:1px solid var(--line);}
.side-brand .mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:12px;
  background:linear-gradient(140deg,var(--accent),var(--accent-3));
  display:flex;align-items:center;justify-content:center;
  color:#0A0F0D;font-weight:800;font-size:15px;letter-spacing:-.03em;
}
.side-brand .name{display:flex;flex-direction:column;line-height:1.25;overflow:hidden;}
.side-brand .name b{font-size:14px;font-weight:700;letter-spacing:-.01em;white-space:nowrap;}
.side-brand .name span{font-size:11px;color:var(--text-2);letter-spacing:.08em;white-space:nowrap;}

.side-nav{display:flex;flex-direction:column;gap:6px;margin-top:20px;flex:1 1 auto;overflow-y:auto;}
.side-link{
  position:relative;display:flex;align-items:center;gap:12px;
  min-height:44px;padding:0 12px;border-radius:10px;
  color:var(--text-2);font-size:14px;font-weight:600;
  transition:background 220ms var(--ease),color 220ms var(--ease);
}
.side-link i{width:18px;text-align:center;font-size:15px;flex:0 0 18px;}
.side-link-text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.side-link:hover{background:rgba(255,255,255,.04);color:var(--text-1);}
.side-link.is-active{background:rgba(200,240,74,.08);color:var(--text-1);}
.side-link.is-active::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:20px;border-radius:3px;background:var(--accent);
}
.side-link.is-active i{color:var(--accent);}
.side-tip{display:none;}
.side-cta{
  display:flex;align-items:center;justify-content:center;gap:8px;
  margin-top:16px;min-height:44px;border-radius:10px;
  background:var(--accent);color:#0A0F0D;font-weight:700;font-size:14px;
  transition:filter 220ms var(--ease),transform 220ms var(--ease);
}
.side-cta:hover{filter:brightness(1.06);transform:translateY(-1px);}
.side-cta:active{transform:translateY(0);filter:brightness(.96);}
.side-foot{margin-top:14px;font-size:11px;line-height:1.7;color:var(--text-2);padding:0 4px;}

.page-main{margin-left:240px;min-height:100vh;display:flex;flex-direction:column;}

@media(max-width:1279px){
  .app-side{width:88px;padding:20px 12px;}
  .side-brand{justify-content:center;padding:4px 0 16px;}
  .side-brand .name{display:none;}
  .side-link{justify-content:center;padding:0;}
  .side-link-text{display:none;}
  .side-cta{font-size:0;padding:0;justify-content:center;}
  .side-cta i{font-size:16px;}
  .side-foot{display:none;}
  .page-main{margin-left:88px;}
}
@media(max-width:1023px){
  .app-side{display:none;}
  .page-main{margin-left:0;padding-top:56px;}
}

/* 移动端顶部栏 + 抽屉 */
.mobile-bar{
  display:none;position:fixed;top:0;left:0;right:0;z-index:70;height:56px;
  align-items:center;justify-content:space-between;padding:0 16px;
  background:rgba(18,26,22,.94);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.mobile-bar .m-brand{display:flex;align-items:center;gap:9px;font-weight:700;font-size:14px;}
.mobile-bar .m-brand .mark{
  width:30px;height:30px;border-radius:9px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--accent),var(--accent-3));color:#0A0F0D;font-size:13px;font-weight:800;
}
.hamburger{
  width:44px;height:44px;display:flex;align-items:center;justify-content:center;
  border-radius:10px;color:var(--text-1);font-size:18px;border:1px solid var(--line);
}
.hamburger:hover{background:rgba(255,255,255,.05);}
.drawer-mask{
  position:fixed;inset:0;z-index:80;background:rgba(0,0,0,.55);
  opacity:0;visibility:hidden;transition:opacity 220ms var(--ease),visibility 220ms var(--ease);
}
.drawer{
  position:fixed;top:0;left:0;bottom:0;z-index:90;width:280px;
  background:var(--bg-elev);border-right:1px solid var(--line);
  padding:22px 16px;display:flex;flex-direction:column;
  transform:translateX(-100%);transition:transform 240ms var(--ease);
}
body.drawer-open .drawer{transform:translateX(0);}
body.drawer-open .drawer-mask{opacity:1;visibility:visible;}
.drawer .side-nav{margin-top:18px;}
.drawer .side-link{justify-content:flex-start;padding:0 12px;}
.drawer .side-link-text{display:inline;}
.drawer .side-cta{font-size:14px;}
@media(max-width:1023px){
  .mobile-bar{display:flex;}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:10px;
  font-size:14px;font-weight:700;letter-spacing:.01em;
  transition:all 220ms var(--ease);
}
.btn-primary{background:var(--accent);color:#0A0F0D;}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);filter:brightness(.95);}
.btn-ghost{background:transparent;color:var(--text-1);border:1px solid var(--line-strong);}
.btn-ghost:hover{border-color:rgba(200,240,74,.4);color:var(--text-1);transform:translateY(-1px);}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}

/* ---------- 面包屑 ---------- */
.crumbs{padding:28px 0 0;font-size:12px;color:var(--text-2);letter-spacing:.02em;}
.crumbs a{transition:color 220ms var(--ease);}
.crumbs a:hover{color:var(--text-1);}
.crumbs .sep{margin:0 8px;opacity:.5;}
.crumbs .cur{color:var(--text-1);}

/* ---------- 文章头 ---------- */
.article-head{padding:26px 0 0;max-width:860px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;letter-spacing:.05em;
}
.badge-cat{background:rgba(47,214,168,.12);color:var(--accent-3);}
.badge-live{background:rgba(255,106,43,.12);color:var(--accent-2);}
.article-title{
  margin-top:18px;
  font-size:clamp(26px,3.4vw,42px);
  line-height:1.25;font-weight:700;letter-spacing:-.02em;
  color:var(--text-1);
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
  margin-top:20px;padding-bottom:24px;border-bottom:1px solid var(--line);
  font-size:13px;color:var(--text-2);
}
.article-meta .m{display:inline-flex;align-items:center;gap:7px;font-variant-numeric:tabular-nums;}
.article-meta .m i{color:var(--accent);font-size:12px;}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line-strong);}

.hero-cover{margin-top:28px;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-deep);}
.hero-cover img{width:100%;aspect-ratio:16/7;object-fit:cover;}

/* ---------- 正文 ---------- */
.article-shell{padding:40px 0 0;}
.article-body{
  max-width:72ch;
  font-size:16px;line-height:1.9;color:#D6DED7;
}
.article-body h2{
  margin:40px 0 16px;font-size:clamp(22px,2.2vw,30px);line-height:1.2;
  font-weight:700;letter-spacing:-.015em;color:var(--text-1);
}
.article-body h3{margin:28px 0 12px;font-size:20px;line-height:1.35;font-weight:600;color:var(--text-1);}
.article-body h4{margin:22px 0 10px;font-size:17px;font-weight:600;color:var(--text-1);}
.article-body p{margin:0 0 20px;}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:4px;}
.article-body ul li,.article-body ol li{position:relative;padding-left:20px;margin:8px 0;}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:12px;width:6px;height:6px;border-radius:50%;
  background:var(--accent);
}
.article-body ol{counter-reset:li;}
.article-body ol li{counter-increment:li;font-variant-numeric:tabular-nums;}
.article-body ol li::before{
  content:counter(li) ".";position:absolute;left:0;top:0;color:var(--accent);font-weight:700;font-size:14px;
}
.article-body blockquote{
  margin:28px 0;padding:18px 22px;border-left:3px solid var(--accent);
  background:rgba(200,240,74,.06);border-radius:0 12px 12px 0;color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:12px;margin:24px 0;}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:12px;color:var(--text-2);margin-top:10px;text-align:center;}
.article-body a{color:var(--accent);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{filter:brightness(1.1);}
.article-body strong{color:var(--text-1);}
.article-body hr{border:0;border-top:1px solid var(--line);margin:36px 0;}
.article-body code{font-family:var(--mono);font-size:14px;background:rgba(255,255,255,.06);padding:2px 6px;border-radius:6px;}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14px;}
.article-body th,.article-body td{border-bottom:1px solid var(--line);padding:12px 10px;text-align:left;}
.article-body th{color:var(--text-1);font-weight:600;background:rgba(255,255,255,.03);}

.empty-state{
  max-width:72ch;padding:36px 28px;border:1px dashed var(--line-strong);border-radius:var(--r-card);
  background:rgba(255,255,255,.02);
}
.empty-state i{font-size:26px;color:var(--accent);}
.empty-state h2{margin:14px 0 8px;font-size:20px;font-weight:700;}
.empty-state p{color:var(--text-2);font-size:15px;margin-bottom:20px;}

/* ---------- 标签行 ---------- */
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:44px;padding-top:26px;border-top:1px solid var(--line);}
.tag-row .label{font-size:12px;color:var(--text-2);letter-spacing:.06em;font-weight:600;}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--r-pill);
  border:1px solid var(--line-strong);font-size:12px;color:var(--text-2);
  transition:all 220ms var(--ease);
}
.tag:hover{border-color:rgba(200,240,74,.45);color:var(--text-1);background:rgba(200,240,74,.06);}

/* ---------- 相关推荐 ---------- */
.related{padding:72px 0 0;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;}
.sec-head h2{font-size:clamp(20px,2vw,26px);font-weight:700;letter-spacing:-.015em;}
.sec-head p{font-size:13px;color:var(--text-2);margin-top:6px;}
.sec-head a{font-size:13px;color:var(--accent);display:inline-flex;align-items:center;gap:6px;}
.sec-head a i{transition:transform 220ms var(--ease);}
.sec-head a:hover i{transform:translateX(4px);}

.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
@media(max-width:1023px){.card-grid{grid-template-columns:repeat(2,1fr);}}
@media(max-width:640px){.card-grid{grid-template-columns:1fr;}}

.post-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--bg-elev);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-deep);
  transition:transform 220ms var(--ease),border-color 220ms var(--ease);
}
.post-card:hover{transform:translateY(-3px);border-color:rgba(200,240,74,.3);}
.post-card .thumb{aspect-ratio:16/10;overflow:hidden;}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 320ms var(--ease);}
.post-card:hover .thumb img{transform:scale(1.04);}
.post-card .body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-card h3{
  font-size:16px;font-weight:600;line-height:1.5;color:var(--text-1);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card p{
  font-size:13.5px;line-height:1.75;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card .meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:12px;color:var(--text-2);font-variant-numeric:tabular-nums;
}
.post-card .meta i{color:var(--accent);transition:transform 220ms var(--ease);}
.post-card:hover .meta i{transform:translateX(4px);}

/* ---------- CTA 条 ---------- */
.cta-bar{
  margin:72px 0 0;padding:32px 34px;border-radius:var(--r-card);
  background:var(--bg-elev);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
}
.cta-bar h3{font-size:clamp(18px,1.8vw,22px);font-weight:700;letter-spacing:-.01em;}
.cta-bar p{margin-top:8px;font-size:13.5px;color:var(--text-2);}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

.back-link{
  display:inline-flex;align-items:center;gap:8px;margin-top:36px;
  font-size:13.5px;color:var(--text-2);transition:color 220ms var(--ease);
}
.back-link:hover{color:var(--text-1);}
.back-link i{transition:transform 220ms var(--ease);}
.back-link:hover i{transform:translateX(-4px);}

/* ---------- 页脚 ---------- */
.footer{margin-top:96px;border-top:1px solid var(--line);background:var(--bg-elev);}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;
  padding:56px 0 40px;
}
@media(max-width:1023px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px;}}
@media(max-width:640px){.footer-grid{grid-template-columns:1fr;gap:28px;}}
.footer-brand b{font-size:16px;font-weight:700;letter-spacing:-.01em;display:block;margin-bottom:12px;}
.footer-brand p{font-size:13px;line-height:1.9;color:var(--text-2);max-width:34ch;}
.footer h4{font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--text-1);margin-bottom:16px;}
.footer-links li{margin-bottom:11px;font-size:13px;color:var(--text-2);}
.footer-links a{transition:color 220ms var(--ease);}
.footer-links a:hover{color:var(--accent);}
.footer-bottom{
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  padding:22px 0 30px;border-top:1px solid var(--line);
  font-size:12px;color:var(--text-2);letter-spacing:.02em;
}

@media(prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category1 */
:root{
  --bg-base:#0A0F0D;
  --bg-elev:#121A16;
  --bg-soft:#F4F6F0;
  --line:rgba(255,255,255,.08);
  --line-soft:rgba(16,24,20,.10);
  --text-1:#F2F5EF;
  --text-2:#9AA8A0;
  --ink-1:#1A1F1C;
  --ink-2:#5A6560;
  --accent:#C8F04A;
  --accent-2:#FF6A2B;
  --accent-3:#2FD6A8;
  --r-card:16px;
  --r-btn:12px;
  --r-pill:999px;
  --shadow-deep:0 24px 60px -32px rgba(0,0,0,.75);
  --shadow-soft:0 10px 30px -18px rgba(16,24,20,.16);
  --ease:cubic-bezier(.22,1,.36,1);
  --dur:220ms;
  --side-w:240px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg-base);color:var(--text-1);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;line-height:1.9;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul{list-style:none;padding:0}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";letter-spacing:.02em}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 32px}}
@media(min-width:1024px){.container{max-width:1280px;padding:0 48px}}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}

/* ---------- 侧边导航 ---------- */
.side-shell{
  position:fixed;top:0;left:0;bottom:0;width:var(--side-w);
  background:var(--bg-elev);border-right:1px solid var(--line);
  display:flex;flex-direction:column;gap:8px;padding:24px 18px;
  z-index:60;transition:transform var(--dur) var(--ease);
}
.brand{display:flex;align-items:center;gap:12px;padding:6px 8px 18px;border-bottom:1px solid var(--line);margin-bottom:12px}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;
  background:var(--accent);color:#0A0F0D;display:grid;place-items:center;
  font-weight:700;font-size:18px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.35;min-width:0}
.brand-text b{font-size:15px;font-weight:700;letter-spacing:-.01em;white-space:nowrap}
.brand-text em{font-size:11px;font-style:normal;color:var(--text-2);letter-spacing:.06em;white-space:nowrap}
.side-nav{display:flex;flex-direction:column;gap:6px}
.side-link{
  position:relative;display:flex;align-items:center;gap:12px;
  height:44px;padding:0 12px;border-radius:10px;color:var(--text-2);
  font-size:14px;font-weight:600;transition:background var(--dur) var(--ease),color var(--dur) var(--ease);
}
.side-link i{width:20px;text-align:center;font-size:15px}
.side-link:hover{background:rgba(255,255,255,.04);color:var(--text-1)}
.side-link.is-active{background:rgba(255,255,255,.05);color:var(--text-1)}
.side-link.is-active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;
  border-radius:3px;background:var(--accent);
}
.side-link-text{white-space:nowrap}
.side-tip{display:none}
.side-foot{margin-top:auto;display:flex;flex-direction:column;gap:10px}
.side-cta{
  display:flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 14px;border-radius:var(--r-btn);
  background:var(--accent);color:#0A0F0D;font-weight:700;font-size:14px;
  transition:filter var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.side-cta:hover{filter:brightness(1.06);transform:translateY(-1px)}
.side-cta:active{transform:translateY(0)}
.side-note{font-size:11px;color:var(--text-2);letter-spacing:.04em;padding:0 4px;line-height:1.7}

/* ---------- 移动端顶栏 & 抽屉 ---------- */
.topbar{
  display:none;position:sticky;top:0;z-index:70;height:56px;
  align-items:center;justify-content:space-between;padding:0 16px;
  background:rgba(10,15,13,.94);border-bottom:1px solid var(--line);
  backdrop-filter:blur(6px);
}
.topbar .brand{padding:0;border:none;margin:0}
.menu-btn{
  width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
  background:transparent;color:var(--text-1);display:grid;place-items:center;font-size:16px;
}
.menu-btn:hover{border-color:rgba(200,240,74,.3)}
.drawer-mask{
  position:fixed;inset:0;background:rgba(0,0,0,.5);opacity:0;visibility:hidden;
  transition:opacity var(--dur) var(--ease);z-index:55;
}
@media(max-width:1023px){
  .topbar{display:flex}
  .side-shell{transform:translateX(-100%);box-shadow:var(--shadow-deep)}
  body.drawer-open .side-shell{transform:translateX(0)}
  body.drawer-open .drawer-mask{opacity:1;visibility:visible}
}
@media(min-width:1024px) and (max-width:1279px){
  :root{--side-w:88px}
  .side-shell{padding:24px 12px;align-items:center}
  .brand{justify-content:center;padding:6px 0 18px}
  .brand-text{display:none}
  .side-link{justify-content:center;width:48px;padding:0}
  .side-link-text{display:none}
  .side-tip{
    display:block;position:absolute;left:62px;top:50%;transform:translateY(-50%) translateX(-6px);
    background:var(--bg-elev);border:1px solid var(--line);border-radius:8px;
    padding:4px 10px;font-size:12px;font-style:normal;color:var(--text-1);
    white-space:nowrap;opacity:0;pointer-events:none;transition:opacity var(--dur) var(--ease),transform var(--dur) var(--ease);
    z-index:80;
  }
  .side-link:hover .side-tip{opacity:1;transform:translateY(-50%) translateX(0)}
  .side-cta span{display:none}
  .side-cta{width:48px;padding:0}
  .side-note{display:none}
}

/* ---------- 主区域 ---------- */
.page-main{padding-bottom:0}
@media(min-width:1024px){.page-main{margin-left:88px}}
@media(min-width:1280px){.page-main{margin-left:var(--side-w)}}

/* ---------- 分类 Hero ---------- */
.cat-hero{
  position:relative;padding:96px 0 64px;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,15,13,.82) 0%,rgba(10,15,13,.74) 52%,var(--bg-base) 100%);
}
.cat-hero .container{position:relative;z-index:2}
.crumb{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--text-2);margin-bottom:26px}
.crumb a:hover{color:var(--text-1)}
.crumb span.sep{opacity:.5}
.crumb .now{color:var(--text-1)}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px}
.pill{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;letter-spacing:.06em;border:1px solid var(--line);
  color:var(--text-2);background:rgba(255,255,255,.03);
}
.pill.lime{border-color:rgba(200,240,74,.35);color:var(--accent);background:rgba(200,240,74,.08)}
.pill.mint{border-color:rgba(47,214,168,.3);color:var(--accent-3);background:rgba(47,214,168,.08)}
.hero-title{display:flex;flex-direction:column;gap:14px}
.hero-title-main{font-size:clamp(34px,5vw,64px);font-weight:700;line-height:1.08;letter-spacing:-.02em}
.hero-title-sub{
  font-size:13px;font-weight:600;letter-spacing:.14em;color:var(--accent);
  text-transform:none;
}
.hero-lead{margin-top:22px;max-width:640px;color:var(--text-2);font-size:16px;line-height:1.9}
.hero-stats{display:flex;flex-wrap:wrap;gap:32px;margin-top:36px}
.hero-stat b{display:block;font-size:clamp(24px,2.6vw,34px);font-weight:700;color:var(--text-1);letter-spacing:-.01em}
.hero-stat span{font-size:12px;color:var(--text-2);letter-spacing:.08em}

/* ---------- 布局：目录 + 内容 ---------- */
.cat-layout{display:grid;grid-template-columns:1fr;gap:44px;padding:72px 0 0}
@media(min-width:1180px){
  .cat-layout{grid-template-columns:232px 1fr;gap:60px;padding-top:88px}
}
.toc{padding:0}
.toc-inner{display:flex;gap:10px;overflow-x:auto;padding-bottom:8px}
@media(min-width:1180px){
  .toc-inner{position:sticky;top:32px;display:flex;flex-direction:column;gap:4px;overflow:visible;padding:0}
}
.toc-title{
  font-size:12px;font-weight:600;letter-spacing:.12em;color:var(--text-2);
  margin-bottom:12px;display:none;
}
@media(min-width:1180px){.toc-title{display:block}}
.toc-link{
  display:flex;align-items:center;gap:10px;white-space:nowrap;
  padding:10px 14px;border-radius:10px;font-size:13px;font-weight:600;
  color:var(--text-2);border:1px solid transparent;
  transition:color var(--dur) var(--ease),background var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.toc-link::before{
  content:"";width:6px;height:6px;border-radius:50%;background:rgba(255,255,255,.18);
  transition:background var(--dur) var(--ease),box-shadow var(--dur) var(--ease);flex:0 0 6px;
}
.toc-link:hover{color:var(--text-1);background:rgba(255,255,255,.04)}
.toc-link.is-current{
  color:var(--text-1);background:rgba(255,255,255,.05);border-color:rgba(200,240,74,.22);
}
.toc-link.is-current::before{background:var(--accent);box-shadow:0 0 0 4px rgba(200,240,74,.16)}

/* ---------- 内容区块 ---------- */
.section{padding:0 0 72px;scroll-margin-top:88px}
.section + .section{padding-top:8px}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:24px}
.sec-kicker{font-size:12px;font-weight:600;letter-spacing:.14em;color:var(--accent-3);margin-bottom:10px}
h2.sec-title{font-size:clamp(24px,2.4vw,34px);font-weight:700;line-height:1.2;letter-spacing:-.02em}
h3.sub-title{font-size:19px;font-weight:600;line-height:1.4;margin-bottom:10px}
p.body-text{color:var(--text-2);font-size:16px;line-height:1.9;max-width:72ch}
p.body-text + p.body-text{margin-top:16px}
.lead-strong{color:var(--text-1);font-weight:600}
.divider{height:1px;background:var(--line);margin:40px 0}

.bullet-list{display:flex;flex-direction:column;gap:14px;margin-top:22px}
.bullet-list li{
  display:flex;gap:12px;align-items:flex-start;color:var(--text-2);font-size:15px;line-height:1.85;
}
.bullet-list i{color:var(--accent);font-size:13px;margin-top:8px}
.bullet-list b{color:var(--text-1);font-weight:600}

/* 数据条 */
.metric-row{display:grid;grid-template-columns:1fr;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;margin-top:26px}
@media(min-width:640px){.metric-row{grid-template-columns:repeat(3,1fr)}}
.metric{background:var(--bg-elev);padding:22px 20px}
.metric b{display:block;font-size:28px;font-weight:700;letter-spacing:-.02em;color:var(--accent);line-height:1.2}
.metric span{font-size:12px;color:var(--text-2);letter-spacing:.08em}

/* 场次条 */
.match-strip{display:flex;flex-direction:column;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;margin-top:26px}
.match-row{
  display:grid;grid-template-columns:88px 1fr auto;gap:16px;align-items:center;
  background:var(--bg-elev);padding:18px 20px;
  transition:background var(--dur) var(--ease);
}
.match-row:hover{background:#151E19}
.match-time{font-size:17px;font-weight:700;color:var(--text-1);letter-spacing:.02em}
.match-name{font-size:15px;font-weight:600;color:var(--text-1)}
.match-meta{font-size:12px;color:var(--text-2);letter-spacing:.06em;margin-top:2px}
.badge{display:inline-flex;align-items:center;padding:4px 12px;border-radius:var(--r-pill);font-size:12px;font-weight:600;white-space:nowrap}
.badge.live{color:var(--accent-2);background:rgba(255,106,43,.12);border:1px solid rgba(255,106,43,.3)}
.badge.soon{color:var(--accent);background:rgba(200,240,74,.1);border:1px solid rgba(200,240,74,.3)}
.badge.done{color:var(--text-2);background:rgba(255,255,255,.05);border:1px solid var(--line)}
@media(max-width:639px){
  .match-row{grid-template-columns:72px 1fr;grid-template-areas:"time name" "time badge";row-gap:6px}
  .match-time{grid-area:time}
  .match-name{grid-area:name}
  .match-row .badge{grid-area:badge;justify-self:start}
}

/* 信息卡组 */
.card-grid{display:grid;grid-template-columns:1fr;gap:20px;margin-top:28px}
@media(min-width:720px){.card-grid{grid-template-columns:repeat(2,1fr);gap:24px}}
.info-card{
  background:var(--bg-elev);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-deep);
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.info-card:hover{transform:translateY(-3px);border-color:rgba(200,240,74,.3)}
.info-card figure{margin:0;aspect-ratio:16/10;overflow:hidden;background:#0E1512}
.info-card img{width:100%;height:100%;object-fit:cover;transition:transform 420ms var(--ease)}
.info-card:hover img{transform:scale(1.04)}
.info-card-body{padding:22px}
.info-card-body h3{font-size:17px;font-weight:600;line-height:1.4}
.info-card-body p{margin-top:8px;font-size:14px;line-height:1.8;color:var(--text-2)}
.tagline{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{
  font-size:12px;font-weight:600;letter-spacing:.04em;
  padding:4px 10px;border-radius:var(--r-pill);
  color:var(--accent-3);background:rgba(47,214,168,.1);border:1px solid rgba(47,214,168,.24);
}

/* FAQ */
.faq-list{margin-top:24px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;font-size:16px;font-weight:600;color:var(--text-1);cursor:pointer;
  transition:color var(--dur) var(--ease);min-height:44px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:20px;font-weight:400;color:var(--accent);line-height:1;
  transition:transform var(--dur) var(--ease);
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item summary:hover{color:var(--accent)}
.faq-body{padding:0 4px 22px;color:var(--text-2);font-size:15px;line-height:1.9;max-width:72ch}

/* CTA */
.cta-band{
  display:grid;grid-template-columns:1fr;gap:24px;align-items:center;
  background:var(--bg-elev);border:1px solid var(--line);border-radius:var(--r-card);
  padding:32px 28px;box-shadow:var(--shadow-deep);
}
@media(min-width:900px){.cta-band{grid-template-columns:1.4fr .6fr;padding:40px 40px}}
.cta-band h2{font-size:clamp(22px,2.2vw,30px);font-weight:700;line-height:1.25;letter-spacing:-.02em}
.cta-band p{margin-top:12px;color:var(--text-2);font-size:15px;line-height:1.85;max-width:56ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:14px;font-weight:700;letter-spacing:.02em;border:1px solid transparent;
  transition:filter var(--dur) var(--ease),transform var(--dur) var(--ease),border-color var(--dur) var(--ease),color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.btn-primary{background:var(--accent);color:#0A0F0D}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.25)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text-2)}
.btn-ghost:hover{border-color:rgba(200,240,74,.3);color:var(--text-1)}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none}

/* 浅底反转区 */
.soft-band{background:var(--bg-soft);color:var(--ink-1);padding:72px 0;margin-top:8px}
.soft-band h2{color:var(--ink-1)}
.soft-band p{color:var(--ink-2)}
.soft-grid{display:grid;grid-template-columns:1fr;gap:20px;margin-top:28px}
@media(min-width:720px){.soft-grid{grid-template-columns:repeat(2,1fr);gap:24px}}
@media(min-width:1180px){.soft-grid{grid-template-columns:repeat(4,1fr)}}
.soft-card{
  background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow-soft);
  transition:transform var(--dur) var(--ease);
}
.soft-card:hover{transform:translateY(-3px)}
.soft-card b{display:block;font-size:15px;color:var(--ink-1);font-weight:700}
.soft-card span{display:block;margin-top:8px;font-size:14px;line-height:1.8;color:var(--ink-2)}
.soft-num{font-size:26px;font-weight:700;color:#3F7A16;letter-spacing:-.02em;margin-bottom:12px;display:block}

/* 页脚 */
.footer{background:var(--bg-elev);border-top:1px solid var(--line);padding:64px 0 28px;margin-top:8px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);gap:40px}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr}}
.footer-brand b{font-size:17px;font-weight:700;letter-spacing:-.01em;display:block;margin-bottom:14px}
.footer-brand p{color:var(--text-2);font-size:14px;line-height:1.85;max-width:38ch}
.footer h4{font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--text-1);margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a,.footer-links span{font-size:14px;color:var(--text-2);transition:color var(--dur) var(--ease)}
.footer-links a:hover{color:var(--accent)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  margin-top:48px;padding-top:22px;border-top:1px solid var(--line);
  font-size:12px;color:var(--text-2);letter-spacing:.04em;
}

/* 进场动效 */
.reveal{opacity:0;transform:translateY(8px);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}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category2 */
:root{
  --bg-base:#0A0F0D;
  --bg-elev:#121A16;
  --bg-soft:#F4F6F0;
  --line:rgba(255,255,255,.08);
  --line-dark:rgba(16,24,20,.10);
  --text-1:#F2F5EF;
  --text-2:#9AA8A0;
  --ink-1:#1A1F1C;
  --ink-2:#5A6560;
  --accent:#C8F04A;
  --accent-2:#FF6A2B;
  --accent-3:#2FD6A8;
  --radius-lg:16px;
  --radius-md:12px;
  --radius-sm:10px;
  --shadow-deep:0 24px 60px -32px rgba(0,0,0,.75);
  --shadow-soft:0 10px 30px -18px rgba(16,24,20,.16);
  --ease:cubic-bezier(.22,1,.36,1);
  --dur:220ms;
  --nav-w:240px;
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --font-num:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--text-1);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}

div.container{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;width:100%;}
@media (min-width:768px){div.container{padding-left:32px;padding-right:32px;}}
@media (min-width:1536px){div.container{max-width:1280px;padding-left:48px;padding-right:48px;}}

/* ---------- 布局骨架 ---------- */
.layout{display:block;min-height:100vh;}
.app-main{margin-left:var(--nav-w);min-height:100vh;}

/* ---------- 侧边导航 ---------- */
.side-nav{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--nav-w);
  background:var(--bg-elev);
  border-right:1px solid var(--line);
  padding:26px 18px 22px;
  display:flex;
  flex-direction:column;
  z-index:60;
  transition:transform var(--dur) var(--ease);
}
.brand{display:flex;align-items:center;gap:12px;padding:6px 6px 22px;border-bottom:1px solid var(--line);}
.brand-mark{
  flex:0 0 auto;width:36px;height:36px;border-radius:var(--radius-sm);
  background:var(--accent);color:#0A0F0D;display:flex;align-items:center;justify-content:center;
  font-size:15px;
}
.brand-text{display:flex;flex-direction:column;min-width:0;}
.brand-text b{font-size:15px;font-weight:700;letter-spacing:.01em;color:var(--text-1);line-height:1.35;}
.brand-text em{font-style:normal;font-size:11px;letter-spacing:.14em;color:var(--text-2);margin-top:3px;}

.side-links{display:flex;flex-direction:column;gap:6px;margin-top:22px;flex:1;}
.side-link{
  position:relative;
  display:flex;align-items:center;gap:12px;
  height:44px;padding:0 12px;border-radius:var(--radius-sm);
  color:var(--text-2);font-size:14px;font-weight:600;
  transition:background-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.side-link i{width:20px;text-align:center;font-size:15px;}
.side-link:hover{background:rgba(255,255,255,.04);color:var(--text-1);}
.side-link.is-active{background:rgba(200,240,74,.09);color:var(--text-1);}
.side-link.is-active::before{
  content:"";position:absolute;left:-18px;top:50%;transform:translateY(-50%);
  width:3px;height:22px;border-radius:0 3px 3px 0;background:var(--accent);
}
.side-tip{display:none;}

.side-foot{margin-top:18px;display:flex;flex-direction:column;gap:10px;}
.side-note{font-size:12px;color:var(--text-2);letter-spacing:.04em;text-align:center;}

/* ---------- 顶部栏（移动端） ---------- */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:56px;
  background:var(--bg-elev);border-bottom:1px solid var(--line);z-index:70;
  align-items:center;
}
.topbar-inner{width:100%;max-width:100%;padding:0 16px;display:flex;align-items:center;justify-content:space-between;}
.brand-sm{padding:0;border:none;gap:10px;}
.brand-sm .brand-mark{width:30px;height:30px;font-size:13px;border-radius:8px;}
.brand-sm .brand-name{font-size:14px;font-weight:700;color:var(--text-1);}
.burger{
  width:44px;height:44px;border-radius:var(--radius-sm);
  background:transparent;border:1px solid var(--line);color:var(--text-1);
  font-size:16px;cursor:pointer;display:flex;align-items:center;justify-content:center;
  transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.burger:hover{border-color:rgba(200,240,74,.4);color:var(--accent);}

.scrim{display:none;position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:55;}
.scrim.is-on{display:block;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:transform var(--dur) var(--ease),background-color var(--dur) var(--ease),
             border-color var(--dur) var(--ease),color var(--dur) var(--ease),filter var(--dur) var(--ease);
}
.btn i{font-size:13px;}
.btn-primary{background:var(--accent);color:#0A0F0D;}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.28);}
.btn-ghost{background:transparent;color:var(--text-1);border-color:var(--line);}
.btn-ghost:hover{border-color:rgba(200,240,74,.38);color:var(--text-1);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-block{width:100%;}

/* ---------- 通用排版 ---------- */
.section{padding:96px 0;}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.18em;
  color:var(--accent-3);margin-bottom:14px;text-transform:uppercase;
}
.section-head{max-width:720px;margin-bottom:48px;}
.section-head h2{font-size:clamp(24px,2.4vw,36px);font-weight:700;line-height:1.2;letter-spacing:-.01em;}
.section-head p{margin-top:14px;color:var(--text-2);font-size:16px;line-height:1.9;}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:999px;border:1px solid var(--line);
  background:rgba(255,255,255,.03);color:var(--text-2);
  font-size:12px;font-weight:600;letter-spacing:.06em;
}
.pill i{color:var(--accent);font-size:12px;}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:112px 0 96px;
  background-image:linear-gradient(180deg,rgba(10,15,13,.88) 0%,rgba(10,15,13,.76) 52%,var(--bg-base) 100%),
                   url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center right;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(200,240,74,.35),transparent);
}
.hero-inner{
  display:grid;grid-template-columns:1.35fr .95fr;gap:56px;align-items:center;
  position:relative;z-index:2;
}
.hero-title{margin:20px 0 0;line-height:1.06;letter-spacing:-.02em;}
.hero-title-main{display:block;font-size:clamp(32px,4.4vw,60px);font-weight:700;color:var(--text-1);}
.hero-title-sub{
  display:inline-block;margin-top:14px;padding-left:14px;border-left:3px solid var(--accent);
  font-size:clamp(15px,1.5vw,19px);font-weight:600;color:var(--accent);letter-spacing:.02em;line-height:1.4;
}
.hero-lead{margin-top:24px;font-size:clamp(17px,1.6vw,20px);font-weight:600;color:var(--text-1);line-height:1.6;}
.hero-text{margin-top:14px;color:var(--text-2);font-size:16px;line-height:1.9;max-width:600px;}
.hero-actions{margin-top:32px;display:flex;flex-wrap:wrap;gap:12px;}

.hero-card{
  margin:0;padding:14px;border-radius:var(--radius-lg);
  background:var(--bg-elev);border:1px solid var(--line);box-shadow:var(--shadow-deep);
  max-width:380px;margin-left:auto;
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.hero-card:hover{transform:translateY(-4px);border-color:rgba(200,240,74,.28);}
.hero-card img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius-md);}
.hero-card figcaption{
  margin-top:12px;font-size:12px;font-weight:600;letter-spacing:.06em;color:var(--text-2);
  display:flex;align-items:center;gap:8px;
}
.hero-card figcaption::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);}

/* ---------- 数据带 ---------- */
.band{border-bottom:1px solid var(--line);background:var(--bg-elev);}
.band-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding-top:44px;padding-bottom:44px;}
.band-item{border-left:1px solid var(--line);padding-left:22px;}
.band-item b{
  display:block;font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:clamp(30px,3vw,42px);font-weight:700;color:var(--accent);line-height:1.1;letter-spacing:-.02em;
}
.band-item h3{margin-top:8px;font-size:15px;font-weight:600;color:var(--text-1);}
.band-item p{margin-top:6px;font-size:13px;color:var(--text-2);line-height:1.7;}

/* ---------- 横向轨道 ---------- */
.rail{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
  position:relative;margin-bottom:72px;padding-top:34px;
}
.rail::before{content:"";position:absolute;left:0;right:0;top:9px;height:1px;background:var(--line);}
.rail li{position:relative;font-size:13px;font-weight:600;color:var(--text-2);letter-spacing:.04em;}
.rail li::before{
  content:"";position:absolute;top:-29px;left:0;width:9px;height:9px;border-radius:50%;
  background:var(--accent);box-shadow:0 0 0 4px rgba(200,240,74,.15);
}
.rail li span{
  display:block;font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:12px;color:var(--accent-3);letter-spacing:.08em;margin-bottom:4px;
}

/* ---------- 大数字步骤流 ---------- */
.steps{display:flex;flex-direction:column;gap:84px;}
.step{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.step:nth-child(even) .step-media{order:-1;}
.step-body{max-width:520px;}
.step-num{
  display:block;font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:clamp(52px,5.6vw,92px);font-weight:800;line-height:1;letter-spacing:-.05em;
  color:rgba(200,240,74,.20);-webkit-text-stroke:1px rgba(200,240,74,.55);
  margin-bottom:16px;
}
.step-body h3{font-size:20px;font-weight:600;color:var(--text-1);}
.step-body p{margin-top:12px;color:var(--text-2);font-size:16px;line-height:1.9;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.04em;
  background:rgba(47,214,168,.12);color:var(--accent-3);border:1px solid rgba(47,214,168,.22);
}
.step-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-lg);
  border:1px solid var(--line);
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.step-media{overflow:hidden;border-radius:var(--radius-lg);}
.step-media:hover img{transform:scale(1.03);border-color:rgba(200,240,74,.26);}

/* ---------- 浅底反转区 ---------- */
.soft{background:var(--bg-soft);color:var(--ink-1);border-top:1px solid var(--line-dark);border-bottom:1px solid var(--line-dark);}
.soft .eyebrow{color:#1F7A5F;}
.soft .section-head h2{color:var(--ink-1);}
.soft .section-head p{color:var(--ink-2);}
.soft-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.soft-card{
  background:#fff;border:1px solid var(--line-dark);border-radius:var(--radius-lg);
  padding:30px;box-shadow:var(--shadow-soft);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.soft-card:hover{transform:translateY(-3px);box-shadow:0 18px 40px -22px rgba(16,24,20,.28);}
.soft-card h3{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--ink-1);}
.soft-card h3 i{color:#1F7A5F;font-size:15px;}
.soft-list{margin-top:20px;display:flex;flex-direction:column;gap:14px;}
.soft-list li{display:flex;gap:12px;font-size:15px;color:var(--ink-2);line-height:1.8;}
.soft-list li i{color:#1F7A5F;font-size:13px;margin-top:6px;}
.soft-strip{
  margin-top:24px;padding:22px 28px;border-radius:var(--radius-md);
  background:rgba(26,31,28,.05);border:1px dashed rgba(16,24,20,.18);
  display:flex;align-items:center;gap:16px;flex-wrap:wrap;
  font-size:14px;color:var(--ink-2);
}
.soft-strip b{color:var(--ink-1);font-weight:700;}
.soft-strip i{color:var(--accent-2);}

/* ---------- FAQ ---------- */
.faq-list{margin-top:8px;}
.faq-item{border-top:1px solid var(--line);}
.faq-item:last-child{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;min-height:44px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:22px 4px;font-size:16px;font-weight:600;color:var(--text-1);
  transition:color var(--dur) var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--accent);}
.faq-item summary i{color:var(--accent);font-size:14px;transition:transform var(--dur) var(--ease);}
.faq-item[open] summary i{transform:rotate(45deg);}
.faq-body{padding:0 4px 24px;max-width:840px;color:var(--text-2);font-size:15px;line-height:1.9;}

/* ---------- CTA 条 ---------- */
.cta-section{padding:72px 0 96px;}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  background:var(--bg-elev);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:44px;box-shadow:var(--shadow-deep);
}
.cta-inner h2{font-size:clamp(22px,2.2vw,30px);font-weight:700;letter-spacing:-.01em;}
.cta-inner p{margin-top:10px;color:var(--text-2);font-size:15px;line-height:1.8;max-width:620px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.footer{background:var(--bg-elev);border-top:1px solid var(--line);padding:72px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand b{display:block;font-size:18px;font-weight:700;color:var(--text-1);margin-bottom:14px;}
.footer-brand p{color:var(--text-2);font-size:14px;line-height:1.9;max-width:380px;}
.footer h4{font-size:14px;font-weight:600;letter-spacing:.06em;color:var(--text-1);margin:0 0 18px;}
.footer-links{display:flex;flex-direction:column;gap:12px;}
.footer-links a,.footer-links span{color:var(--text-2);font-size:14px;transition:color var(--dur) var(--ease);}
.footer-links a:hover{color:var(--accent);}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;letter-spacing:.04em;color:var(--text-2);
}

/* ---------- 进场动效 ---------- */
.reveal{opacity:0;transform:translateY(8px);transition:opacity 420ms var(--ease),transform 420ms var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (min-width:1024px) and (max-width:1279px){
  :root{--nav-w:88px;}
  .side-nav{padding:24px 12px;align-items:center;}
  .brand{justify-content:center;padding:6px 0 22px;width:100%;}
  .brand-text{display:none;}
  .side-links{width:100%;align-items:center;}
  .side-link{width:48px;justify-content:center;padding:0;}
  .side-link-text{display:none;}
  .side-link.is-active::before{left:-14px;}
  .side-tip{
    display:block;position:absolute;left:58px;top:50%;transform:translateY(-50%) translateX(-6px);
    background:var(--bg-base);border:1px solid var(--line);border-radius:var(--radius-sm);
    padding:6px 12px;font-style:normal;font-size:12px;font-weight:600;color:var(--text-1);
    white-space:nowrap;opacity:0;pointer-events:none;
    transition:opacity var(--dur) var(--ease),transform var(--dur) var(--ease);
  }
  .side-link:hover .side-tip{opacity:1;transform:translateY(-50%) translateX(0);}
  .side-cta-label{display:none;}
  .side-note{display:none;}
  .side-foot{width:100%;}
  .side-foot .btn{padding:0;width:48px;}
}

@media (max-width:1023px){
  :root{--nav-w:0px;}
  .app-main{margin-left:0;padding-top:56px;}
  .topbar{display:flex;}
  .side-nav{
    width:280px;transform:translateX(-100%);
    box-shadow:24px 0 60px -32px rgba(0,0,0,.85);
    padding-top:22px;
  }
  .side-nav.is-open{transform:translateX(0);}
  .side-nav .brand{padding-bottom:18px;}
  .hero{padding:72px 0 64px;}
  .hero-inner{grid-template-columns:1fr;gap:40px;}
  .hero-card{margin-left:0;max-width:100%;}
  .band-grid{grid-template-columns:repeat(2,1fr);gap:28px 20px;}
  .band-item{border-left:none;padding-left:0;border-top:1px solid var(--line);padding-top:16px;}
  .section{padding:72px 0;}
  .soft-grid{grid-template-columns:1fr;}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}

@media (max-width:767px){
  .rail{display:none;}
  .steps{gap:56px;}
  .step{grid-template-columns:1fr;gap:26px;}
  .step:nth-child(even) .step-media{order:0;}
  .step-body{max-width:100%;}
  .section{padding:64px 0;}
  .section-head{margin-bottom:36px;}
  .band-grid{grid-template-columns:1fr 1fr;}
  .cta-section{padding:56px 0 72px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer{padding:56px 0 24px;}
  .footer-bottom{margin-top:32px;flex-direction:column;gap:8px;}
}

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