/* roulang page: index */
:root{
  --ink:#0B0D10;
  --panel:#12151B;
  --card:#171B22;
  --lift:#1E232C;
  --lime:#B6F03C;
  --lime-light:#CBFF66;
  --coral:#FF6A3D;
  --t1:#F2F5F0;
  --t2:#A6ADB8;
  --t3:#6E7683;
  --line:rgba(255,255,255,.08);
  --line-hover:rgba(182,240,60,.45);
  --r-card:18px;
  --r-pill:999px;
  --r-badge:8px;
  --shadow:0 18px 40px -24px rgba(0,0,0,.9);
  --glow:0 0 0 1px rgba(182,240,60,.28),0 14px 34px -18px rgba(182,240,60,.32);
  --wrap:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink);
  color:var(--t1);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  padding-top:104px;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
svg{flex:none}
a:focus-visible,button:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:10px}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px;width:100%}
@media (max-width:640px){.wrap{padding:0 16px}}

/* ---------- header ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:60;padding:12px 0}
.site-header::before{
  content:"";position:absolute;inset:0;background:transparent;transition:background .25s ease,backdrop-filter .25s ease;
  pointer-events:none;
}
.site-header.scrolled::before{background:rgba(11,13,16,.9);backdrop-filter:blur(12px)}
.site-header .wrap{position:relative;z-index:1}
.nav-card{
  display:flex;align-items:center;gap:16px;
  background:var(--panel);border:1px solid var(--line);border-radius:18px;
  padding:12px 14px;box-shadow:var(--shadow);
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:11px;background:linear-gradient(160deg,var(--lime),var(--lime-light));
  color:#0B0D10;font-weight:800;font-size:17px;display:flex;align-items:center;justify-content:center;
}
.brand-text{font-size:15.5px;font-weight:800;letter-spacing:-.3px;white-space:nowrap}
.brand-text em{font-style:normal;color:var(--lime)}
.nav-chips{display:none;align-items:center;gap:10px;margin-left:6px}
.cat-chip{
  display:inline-flex;align-items:center;gap:7px;height:44px;padding:0 14px;border-radius:12px;
  border:1px solid var(--line);background:var(--lift);color:var(--t2);font-size:14px;font-weight:600;
  transition:transform .2s ease-out,border-color .2s ease-out,color .2s ease-out,background .2s ease-out;
  white-space:nowrap;
}
.cat-chip svg{stroke:currentColor}
.cat-chip:hover{border-color:var(--line-hover);color:var(--t1);transform:translateY(-1px)}
.cat-chip.active{border-color:var(--line-hover);color:var(--lime);background:rgba(182,240,60,.08)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:10px}
.menu-toggle{
  display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:var(--lift);color:var(--t1);cursor:pointer;transition:border-color .2s,color .2s;
}
.menu-toggle:hover{border-color:var(--line-hover);color:var(--lime)}
.drawer{
  display:none;flex-direction:column;gap:10px;margin-top:10px;padding:14px;
  background:var(--panel);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);
}
.drawer.open{display:flex}
.drawer a{
  display:flex;align-items:center;gap:10px;padding:14px 16px;border-radius:12px;
  border:1px solid var(--line);background:var(--lift);color:var(--t2);font-size:15px;font-weight:600;
  transition:border-color .2s,color .2s;
}
.drawer a:hover,.drawer a.active{border-color:var(--line-hover);color:var(--lime)}
.drawer .drawer-cta{
  justify-content:center;background:var(--lime);border-color:var(--lime);color:#0B0D10;font-weight:700;
}
.drawer .drawer-cta:hover{background:var(--lime-light);color:#0B0D10}
@media (min-width:900px){
  .nav-chips{display:flex}
  .menu-toggle{display:none}
  .drawer{display:none !important}
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease-out,background .2s ease-out,border-color .2s ease-out,color .2s ease-out;
  white-space:nowrap;
}
.btn-primary{background:var(--lime);color:#0B0D10}
.btn-primary:hover{background:var(--lime-light);transform:translateY(-1px)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{background:transparent;color:var(--t1);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--lime);color:var(--lime)}
.btn-sm{height:38px;padding:0 16px;font-size:13.5px}
.btn-full{width:100%}
.link-more{color:var(--t2);font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;transition:color .2s}
.link-more:hover{color:var(--lime)}

/* ---------- badges / tags ---------- */
.tag{
  display:inline-flex;align-items:center;font-size:11.5px;line-height:1;padding:5px 9px;border-radius:var(--r-badge);
  border:1px solid rgba(182,240,60,.45);background:rgba(182,240,60,.1);color:var(--lime);font-weight:600;
}
.badge-time{
  display:inline-flex;align-items:center;font-size:11px;font-weight:700;line-height:1;
  padding:5px 10px;border-radius:var(--r-pill);background:var(--coral);color:#0B0D10;
}
.badge-soft{
  display:inline-flex;align-items:center;font-size:11.5px;line-height:1;padding:5px 9px;border-radius:var(--r-badge);
  border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--t2);
}
.meta{font-size:12.5px;letter-spacing:.02em;color:var(--t3)}

/* ---------- hero ---------- */
.hero{position:relative;padding:28px 0 0;overflow:hidden}
.hero-bg{
  position:absolute;inset:-120px 0 auto 0;height:560px;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  opacity:.28;
  -webkit-mask-image:linear-gradient(180deg,#000 0%,transparent 92%);
  mask-image:linear-gradient(180deg,#000 0%,transparent 92%);
  pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:1fr;gap:36px;align-items:center}
@media (min-width:1024px){.hero-grid{grid-template-columns:55fr 45fr;gap:52px}}
.kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.08em;
  color:var(--lime);text-transform:none;margin-bottom:16px;
}
.kicker .dot{width:7px;height:7px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 4px rgba(182,240,60,.15)}
.hero-title{
  font-size:clamp(30px,5vw,52px);font-weight:800;line-height:1.15;letter-spacing:-.5px;
}
.hero-sub{margin-top:18px;color:var(--t2);font-size:16px;line-height:1.85;max-width:620px}
.hero-points{display:flex;flex-wrap:wrap;align-items:center;gap:0;margin-top:22px;color:var(--t2);font-size:13.5px}
.hero-points li{display:inline-flex;align-items:center;gap:7px;padding:0 16px;border-right:1px solid var(--line)}
.hero-points li:first-child{padding-left:0}
.hero-points li:last-child{border-right:0}
.hero-points svg{stroke:var(--lime)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}

.showcase{
  position:relative;border-radius:24px;border:1px solid var(--line);overflow:hidden;
  background:var(--card);aspect-ratio:9/16;max-width:400px;margin:0 auto;width:100%;
  box-shadow:var(--shadow);
}
.showcase img{width:100%;height:100%;object-fit:cover;object-position:center top}
.showcase-badge{
  position:absolute;top:14px;left:14px;font-size:11.5px;font-weight:700;line-height:1;
  padding:6px 11px;border-radius:var(--r-pill);background:rgba(182,240,60,.92);color:#0B0D10;
}
.showcase-scale{
  position:absolute;top:16%;right:12px;width:3px;height:60%;border-radius:3px;
  background:linear-gradient(180deg,rgba(182,240,60,.2),rgba(182,240,60,.04));
}
.showcase-bar{
  position:absolute;left:0;right:0;bottom:0;padding:16px;
  background:linear-gradient(180deg,rgba(11,13,16,0),rgba(11,13,16,.86) 40%,rgba(11,13,16,.96));
  display:flex;flex-direction:column;gap:4px;
}
.showcase-bar .sb-1{font-size:16px;font-weight:700}
.showcase-bar .sb-2{font-size:13px;color:var(--t2)}
.showcase-bar .sb-3{font-size:12px;color:var(--t3)}

/* ---------- tracks ---------- */
.track{display:flex;gap:12px;overflow-x:auto;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;scrollbar-width:none;padding-bottom:6px}
.track::-webkit-scrollbar{display:none}
.track > *{scroll-snap-align:start;flex:0 0 auto}
.hero-track{margin-top:44px;gap:14px}
.snap-card{
  width:132px;aspect-ratio:9/16;border-radius:14px;overflow:hidden;position:relative;
  border:1px solid var(--line);background:var(--card);display:block;
  transition:transform .2s ease-out,border-color .2s ease-out;
}
.snap-card:hover{transform:translateY(-4px);border-color:var(--line-hover)}
.snap-card.current{border-color:var(--line-hover)}
.snap-card img{width:100%;height:100%;object-fit:cover;object-position:center top}
.snap-card span{
  position:absolute;left:0;right:0;bottom:0;padding:16px 10px 10px;font-size:12.5px;font-weight:600;
  background:linear-gradient(180deg,rgba(11,13,16,0),rgba(11,13,16,.9));
}

/* ---------- sections ---------- */
.section{padding:64px 0}
@media (min-width:1024px){.section{padding:92px 0}}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap}
.sec-title{font-size:clamp(22px,3vw,30px);font-weight:700;line-height:1.28;letter-spacing:-.3px}
.sec-sub{color:var(--t2);font-size:14.5px;margin-top:10px;max-width:640px}
.sec-line{width:44px;height:3px;border-radius:3px;background:var(--lime);margin-bottom:16px}

/* ---------- 热门轨道卡 ---------- */
.rail-card{
  width:228px;border-radius:var(--r-card);overflow:hidden;background:var(--card);
  border:1px solid var(--line);display:block;
  transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.rail-card:hover{transform:translateY(-4px);border-color:var(--line-hover);box-shadow:var(--glow)}
.rail-media{position:relative;aspect-ratio:9/16;overflow:hidden;background:var(--lift)}
.rail-media img{width:100%;height:100%;object-fit:cover;object-position:center top;transition:transform .25s ease-out}
.rail-card:hover .rail-media img{transform:scale(1.03)}
.rail-index{
  position:absolute;top:10px;left:10px;font-size:11px;font-weight:800;line-height:1;
  padding:6px 9px;border-radius:var(--r-badge);background:rgba(182,240,60,.92);color:#0B0D10;
}
.rail-time{position:absolute;right:10px;bottom:10px}
.rail-body{padding:14px 14px 16px}
.rail-body h3{font-size:15.5px;font-weight:600;line-height:1.5;min-height:46px}
.rail-body .meta{margin-top:8px;display:block}

/* ---------- 编号清单 ---------- */
.list-panel{border-top:1px solid var(--line)}
.list-row{
  display:grid;grid-template-columns:44px auto 1fr auto;gap:16px;align-items:center;
  padding:18px 12px;border-bottom:1px solid var(--line);border-radius:14px;
  transition:background .2s ease-out;
}
.list-row:hover{background:rgba(255,255,255,.03)}
.list-row:hover .list-num{opacity:1;color:var(--lime)}
.list-num{font-size:26px;font-weight:800;line-height:1;color:var(--lime);opacity:.55;transition:opacity .2s,color .2s}
.list-thumb{width:84px;height:84px;border-radius:14px;overflow:hidden;background:var(--lift);border:1px solid var(--line)}
.list-thumb img{width:100%;height:100%;object-fit:cover;object-position:center top}
.list-main h3{font-size:16.5px;font-weight:600;line-height:1.5}
.list-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.list-main .meta{display:block;margin-top:10px}
.list-go{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:var(--lift);
  display:flex;align-items:center;justify-content:center;color:var(--t2);transition:all .2s;
}
.list-row:hover .list-go{border-color:var(--lime);color:var(--lime);transform:translateX(2px)}
@media (min-width:1024px){
  .list-panel{display:grid;grid-template-columns:1fr 1fr;column-gap:32px}
  .list-row:nth-child(odd){grid-column:1}
  .list-row:nth-child(even){grid-column:2}
}
@media (max-width:640px){
  .list-row{grid-template-columns:34px 1fr;gap:12px;padding:16px 8px}
  .list-thumb{display:none}
  .list-go{display:none}
  .list-num{font-size:22px}
}

/* ---------- CMS 列表 ---------- */
.cms-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:768px){.cms-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.cms-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.cms-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;
  transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.cms-card:hover{transform:translateY(-4px);border-color:var(--line-hover);box-shadow:var(--glow)}
.cms-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--lift)}
.cms-cover img{width:100%;height:100%;object-fit:cover;object-position:center top;transition:transform .25s ease-out}
.cms-card:hover .cms-cover img{transform:scale(1.03)}
.cms-cover .tag{position:absolute;left:12px;top:12px;backdrop-filter:blur(4px)}
.cms-body{padding:18px;display:flex;flex-direction:column;flex:1}
.cms-body h3{font-size:16.5px;font-weight:600;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cms-excerpt{margin-top:10px;font-size:14px;line-height:1.7;color:var(--t2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;flex:1}
.cms-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:16px;padding-top:14px;border-top:1px solid var(--line)}
.cms-arrow{
  width:34px;height:34px;border-radius:50%;border:1px solid var(--line);background:var(--lift);
  display:flex;align-items:center;justify-content:center;color:var(--t2);transition:all .2s;
}
.cms-card:hover .cms-arrow{border-color:var(--lime);color:var(--lime)}
.cms-empty{
  grid-column:1/-1;display:flex;flex-direction:column;align-items:center;gap:14px;text-align:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:56px 24px;
}
.cms-empty p{color:var(--t2);font-size:14.5px}
.cms-empty svg{stroke:var(--lime);opacity:.9}

/* ---------- 口碑 ---------- */
.voice-card{
  width:300px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:20px;
  display:flex;flex-direction:column;gap:12px;transition:border-color .2s ease-out,transform .2s ease-out;
}
.voice-card:hover{border-color:var(--line-hover);transform:translateY(-3px)}
.voice-top{display:flex;align-items:center;gap:12px}
.avatar{
  width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:16px;color:#0B0D10;background:var(--lime);flex:none;
}
.avatar.b{background:var(--coral)}
.avatar.c{background:#7FD1E8}
.stars{display:flex;gap:3px;margin-top:4px}
.stars span{width:9px;height:9px;border-radius:2px;background:var(--lime);display:inline-block}
.stars span.off{background:rgba(255,255,255,.14)}
.voice-card p{font-size:14.5px;line-height:1.75;color:var(--t2)}
.voice-card .meta{margin-top:auto}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line);max-width:920px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  position:relative;display:flex;align-items:center;justify-content:space-between;gap:18px;width:100%;
  background:none;border:0;color:var(--t1);font-size:16px;font-weight:600;text-align:left;
  padding:20px 0;cursor:pointer;transition:padding-left .2s ease-out,color .2s ease-out;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:3px;height:0;
  background:var(--lime);border-radius:2px;transition:height .2s ease-out;
}
.faq-item.open .faq-q::before{height:22px}
.faq-item.open .faq-q{padding-left:12px;color:var(--lime)}
.faq-arrow{transition:transform .2s ease-out;stroke:var(--t3)}
.faq-item.open .faq-arrow{transform:rotate(180deg);stroke:var(--lime)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease-out,padding .26s ease-out;padding-left:0}
.faq-item.open .faq-a{max-height:420px;padding-left:12px;padding-bottom:20px}
.faq-a p{font-size:14.5px;line-height:1.8;color:var(--t2)}

/* ---------- CTA ---------- */
.cta-panel{
  position:relative;overflow:hidden;border-radius:24px;border:1px solid var(--line);
  background:var(--panel);padding:36px 24px;
}
.cta-panel::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(115deg,rgba(182,240,60,.12),rgba(182,240,60,0) 58%);
}
.cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:1fr;gap:24px;align-items:center}
@media (min-width:1024px){
  .cta-panel{padding:48px 52px}
  .cta-inner{grid-template-columns:60fr 40fr;gap:40px}
}
.cta-title{font-size:clamp(22px,3vw,30px);font-weight:700;line-height:1.3}
.cta-desc{color:var(--t2);font-size:15px;margin-top:12px;max-width:560px}
.cta-actions{display:flex;flex-direction:column;gap:12px}
@media (max-width:1023px){.cta-actions{width:100%}}

/* ---------- footer ---------- */
.site-footer{margin-top:64px;border-top:1px solid var(--line);background:var(--panel)}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;padding:52px 0 36px}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}}
.footer-title{font-size:14px;font-weight:700;margin-bottom:16px;color:var(--t1)}
.footer-text{font-size:14px;line-height:1.8;color:var(--t2);max-width:340px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:var(--t2);transition:color .2s,transform .2s;display:inline-flex;align-items:center;gap:6px}
.footer-links a:hover{color:var(--lime);transform:translateX(2px)}
.footer-chip{
  display:flex;align-items:center;gap:9px;padding:11px 13px;border-radius:12px;border:1px solid var(--line);
  background:var(--lift);font-size:13.5px;color:var(--t2);transition:border-color .2s,color .2s;
}
.footer-chip:hover{border-color:var(--line-hover);color:var(--lime)}
.footer-bottom{border-top:1px solid var(--line);padding:18px 0;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center}
.footer-bottom p{font-size:12.5px;color:var(--t3)}

/* ---------- mobile bar ---------- */
.mobile-bar{
  position:fixed;left:12px;right:12px;bottom:12px;z-index:70;display:none;
  align-items:center;gap:12px;padding:9px 10px 9px 16px;border-radius:var(--r-pill);
  background:rgba(11,13,16,.92);border:1px solid var(--line);backdrop-filter:blur(10px);
  box-shadow:var(--shadow);
}
.mobile-bar span{font-size:12.5px;color:var(--t2);flex:1;line-height:1.3}
@media (max-width:899px){
  .mobile-bar{display:flex}
  body{padding-bottom:88px}
}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .rail-card:hover,.cms-card:hover,.voice-card:hover,.snap-card:hover,.list-row:hover{transform:none !important}
  .rail-card:hover .rail-media img,.cms-card:hover .cms-cover img{transform:none !important}
}

/* roulang page: article */
:root{
  --acid:#B6F03C;
  --acid-light:#CBFF66;
  --coral:#FF6A3D;
  --ink:#0B0D10;
  --panel:#12151B;
  --card:#171B22;
  --raise:#1E232C;
  --line:rgba(255,255,255,.08);
  --line-acid:rgba(182,240,60,.45);
  --t1:#F2F5F0;
  --t2:#A6ADB8;
  --t3:#6E7683;
  --paper:#F7F5EF;
  --paper-t1:#1C1F24;
  --paper-t2:#5B6068;
  --paper-line:#E4E1D8;
  --r-sm:12px;
  --r-card:18px;
  --r-lg:24px;
  --shadow:0 18px 40px -24px rgba(0,0,0,.9);
  --shadow-acid:0 0 0 1px rgba(182,240,60,.28), 0 14px 34px -18px rgba(182,240,60,.32);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
html body{
  margin:0;
  background:var(--ink);
  color:var(--t1);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--acid);outline-offset:2px;border-radius:6px}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (max-width:520px){.wrap{padding:0 16px}}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;padding:12px 0;transition:background .25s ease}
.site-header.is-scrolled .nav-panel{
  background:rgba(11,13,16,.9);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
}
.nav-panel{
  display:flex;
  align-items:center;
  gap:14px;
  padding:10px 14px;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow);
  transition:background .25s ease,border-color .25s ease;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:11px;
  background:linear-gradient(135deg,var(--acid),#7DBF22);
  color:#0B0D10;font-weight:800;font-size:18px;
  display:grid;place-items:center;
}
.brand-text{font-weight:700;font-size:17px;letter-spacing:-.3px;white-space:nowrap}
.brand-text em{color:var(--acid);font-style:normal}

.nav-chips{display:flex;align-items:center;gap:10px;margin-left:12px}
.cat-chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 14px;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  background:rgba(255,255,255,.02);
  color:var(--t2);
  font-size:14px;
  transition:border-color .2s ease,color .2s ease,transform .2s ease,background .2s ease;
}
.cat-chip svg{stroke:currentColor;flex:0 0 auto}
.cat-chip:hover{border-color:var(--line-acid);color:var(--acid);transform:translateY(-2px)}
.cat-chip.active{color:var(--acid);border-color:var(--line-acid);background:rgba(182,240,60,.1)}

.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.hamburger{
  display:none;
  width:42px;height:42px;
  border:1px solid var(--line);
  border-radius:12px;
  place-items:center;
  color:var(--t1);
}
.hamburger:hover{border-color:var(--line-acid);color:var(--acid)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;
  border-radius:999px;
  border:1px solid transparent;
  font-size:15px;font-weight:700;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--acid);color:#0B0D10}
.btn-primary:hover{background:var(--acid-light);transform:translateY(-1px)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--t1)}
.btn-ghost:hover{border-color:var(--acid);color:var(--acid)}
.btn-ghost:active{transform:scale(.98)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.btn[disabled]{opacity:.4;cursor:not-allowed}

/* ---------- 抽屉 ---------- */
.mobile-drawer{
  position:fixed;inset:0;z-index:95;
  background:var(--ink);
  padding:18px 16px calc(24px + env(safe-area-inset-bottom));
  display:none;flex-direction:column;gap:12px;
  overflow-y:auto;
}
.mobile-drawer.open{display:flex}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px}
.drawer-title{font-size:13px;color:var(--t3);letter-spacing:.04em}
.drawer-close{
  width:40px;height:40px;border:1px solid var(--line);border-radius:12px;
  display:grid;place-items:center;color:var(--t1);
}
.drawer-close:hover{border-color:var(--acid);color:var(--acid)}
.drawer-row{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:16px;border:1px solid var(--line);border-radius:14px;background:var(--card);
  font-size:15px;font-weight:600;
}
.drawer-row span.sub{display:block;font-size:12.5px;font-weight:400;color:var(--t3);margin-top:4px}
.drawer-row:hover{border-color:var(--line-acid);color:var(--acid)}

/* ---------- 文章页头 ---------- */
.article-head{position:relative;overflow:hidden;padding:30px 0 34px;border-bottom:1px solid var(--line)}
.article-head::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;
  opacity:.3;
}
.article-head::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,13,16,.72) 0%,rgba(11,13,16,.96) 100%);
}
.article-head .wrap{position:relative;z-index:2}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--t3)}
.breadcrumb a{color:var(--t2);transition:color .2s ease}
.breadcrumb a:hover{color:var(--acid)}
.breadcrumb .sep{opacity:.55}
.breadcrumb .current{color:var(--t2)}
.head-kicker{
  display:inline-flex;align-items:center;gap:8px;
  margin-top:20px;padding:5px 12px;border-radius:999px;
  font-size:12px;letter-spacing:.06em;color:var(--acid);
  border:1px solid var(--line-acid);background:rgba(182,240,60,.08);
}
.article-title{
  margin:16px 0 18px;max-width:900px;
  font-size:clamp(26px,4.2vw,42px);
  line-height:1.25;font-weight:800;letter-spacing:-.5px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--t3)}
.meta-dot{width:3px;height:3px;border-radius:50%;background:var(--t3)}
.meta-badge{
  font-size:12px;padding:4px 10px;border-radius:8px;
  border:1px solid var(--line-acid);background:rgba(182,240,60,.1);color:var(--acid);
}

/* ---------- 正文布局 ---------- */
.section{padding:56px 0}
@media (min-width:768px){.section{padding:84px 0}}
.article-main{padding:36px 0 8px}
@media (min-width:768px){.article-main{padding:52px 0 12px}}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 306px;gap:30px;align-items:start}

.paper-card{
  background:var(--paper);
  color:var(--paper-t1);
  border-radius:20px;
  padding:28px 20px;
  box-shadow:0 26px 60px -32px rgba(0,0,0,.95);
}
@media (min-width:768px){.paper-card{padding:48px}}
.paper-body{max-width:760px;margin:0 auto;font-size:16px;line-height:1.95;color:var(--paper-t1)}
.paper-body p{margin:0 0 1.2em}
.paper-body h2{
  font-size:23px;line-height:1.45;font-weight:700;
  margin:2em 0 .8em;padding-left:12px;border-left:3px solid #9BD32A;color:#161A1F;
}
.paper-body h2:first-child{margin-top:0}
.paper-body h3{font-size:18px;font-weight:600;line-height:1.5;margin:1.6em 0 .6em;color:#161A1F}
.paper-body h4{font-size:16.5px;font-weight:600;margin:1.4em 0 .5em}
.paper-body ul,.paper-body ol{margin:0 0 1.2em;padding-left:1.5em}
.paper-body ul{list-style:disc}
.paper-body ol{list-style:decimal}
.paper-body li{margin:.45em 0;line-height:1.9}
.paper-body blockquote{
  margin:1.4em 0;padding:14px 18px;
  border-left:3px solid #C9C5BA;background:rgba(0,0,0,.03);
  font-style:italic;color:var(--paper-t2);border-radius:0 10px 10px 0;
}
.paper-body img{border-radius:12px;margin:1.4em auto;height:auto}
.paper-body figure{margin:1.4em 0}
.paper-body figcaption{font-size:13px;color:var(--paper-t2);text-align:center;margin-top:8px}
.paper-body a{
  color:var(--paper-t1);text-decoration:underline;
  text-decoration-color:#9BD32A;text-underline-offset:3px;
  transition:background .2s ease;
}
.paper-body a:hover{background:rgba(182,240,60,.32)}
.paper-body table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:14.5px}
.paper-body th{background:#EDEAE1;text-align:left;font-weight:600}
.paper-body th,.paper-body td{border:1px solid var(--paper-line);padding:10px 12px;line-height:1.7}
.paper-body hr{border:none;border-top:1px solid var(--paper-line);margin:2em 0}
.paper-body strong{font-weight:700;color:#111417}
.paper-note{
  max-width:760px;margin:34px auto 0;padding-top:18px;
  border-top:1px solid var(--paper-line);
  font-size:13px;line-height:1.8;color:var(--paper-t2);
}
.cms-empty{
  max-width:620px;margin:0 auto;text-align:center;padding:44px 8px;
  display:flex;flex-direction:column;align-items:center;gap:16px;
}
.cms-empty svg{stroke:#9BD32A}
.cms-empty h2{font-size:22px;font-weight:700;color:var(--paper-t1)}
.cms-empty p{font-size:15px;line-height:1.9;color:var(--paper-t2)}

/* ---------- 侧栏 ---------- */
.article-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:18px}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:20px}
.side-title{font-size:14px;font-weight:700;color:var(--t1);margin-bottom:14px;letter-spacing:.02em}
.toc-list{display:flex;flex-direction:column;gap:10px}
.toc-list a{
  display:flex;align-items:center;gap:10px;font-size:14px;color:var(--t2);
  transition:color .2s ease,transform .2s ease;
}
.toc-list a::before{
  content:"";width:6px;height:6px;border-radius:2px;background:var(--acid);opacity:.6;flex:0 0 auto;
  transition:opacity .2s ease;
}
.toc-list a:hover{color:var(--acid);transform:translateX(2px)}
.toc-list a:hover::before{opacity:1}
.side-cta p{font-size:13.5px;line-height:1.8;color:var(--t2);margin-bottom:16px}
.side-cta .btn + .btn{margin-top:10px}

.mobile-toc{
  display:none;
  margin-bottom:18px;border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--card);padding:16px;
}
.mobile-toc summary{
  font-size:14px;font-weight:700;color:var(--t1);cursor:pointer;list-style:none;
  display:flex;align-items:center;justify-content:space-between;
}
.mobile-toc summary::-webkit-details-marker{display:none}
.mobile-toc summary::after{content:"+";color:var(--acid);font-size:18px;font-weight:600}
.mobile-toc[open] summary::after{content:"–"}
.mobile-toc .toc-list{margin-top:14px}

/* ---------- 标签 / 相关推荐 ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.tag-chip{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;
  font-size:13px;color:var(--t2);border:1px solid var(--line);background:rgba(255,255,255,.02);
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.tag-chip:hover{border-color:var(--line-acid);color:var(--acid);transform:translateY(-2px)}

.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
.section-title{font-size:clamp(21px,2.6vw,28px);font-weight:700;letter-spacing:-.3px}
.section-sub{font-size:14px;color:var(--t2);margin-top:8px}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--acid);white-space:nowrap}
.link-more svg{stroke:currentColor;transition:transform .2s ease}
.link-more:hover svg{transform:translateX(3px)}

.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.rel-card{
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.rel-card:hover{transform:translateY(-4px);border-color:var(--line-acid);box-shadow:var(--shadow-acid)}
.rel-cover{aspect-ratio:16/9;overflow:hidden;background:var(--raise)}
.rel-cover img{width:100%;height:100%;object-fit:cover;object-position:center top;transition:transform .2s ease}
.rel-card:hover .rel-cover img{transform:scale(1.03)}
.rel-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:10px}
.rel-title{font-size:15.5px;font-weight:600;line-height:1.6;color:var(--t1);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-meta{font-size:12.5px;color:var(--t3);letter-spacing:.02em}
.rel-card:hover .rel-title{color:var(--acid)}

/* ---------- 上下篇 ---------- */
.pn-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.pn-card{
  display:flex;flex-direction:column;gap:8px;
  padding:20px;border:1px solid var(--line);border-radius:var(--r-card);background:var(--card);
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.pn-card:hover{border-color:var(--line-acid);transform:translateY(-3px);box-shadow:var(--shadow-acid)}
.pn-label{font-size:12px;color:var(--coral);letter-spacing:.06em}
.pn-card.pn-next{text-align:right;align-items:flex-end}
.pn-title{font-size:15.5px;font-weight:600;line-height:1.6;color:var(--t1);max-width:32ch}
.pn-back{display:flex;justify-content:center;margin-top:30px}

/* ---------- CTA 面板 ---------- */
.cta-panel{
  position:relative;overflow:hidden;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:var(--panel);
  padding:32px 24px;
  display:flex;flex-direction:column;gap:22px;
}
.cta-panel::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(182,240,60,.12) 0%,rgba(182,240,60,0) 46%);
  pointer-events:none;
}
.cta-copy{position:relative;z-index:2;max-width:640px}
.cta-copy h2{font-size:clamp(21px,2.6vw,27px);font-weight:700;line-height:1.4;letter-spacing:-.3px}
.cta-copy p{font-size:14.5px;line-height:1.85;color:var(--t2);margin-top:12px}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:20px;
  background:var(--panel);
  border-top:1px solid var(--line);
  padding:56px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px}
.footer-title{font-size:14px;font-weight:700;color:var(--t1);margin-bottom:16px;letter-spacing:.02em}
.footer-text{font-size:13.5px;line-height:1.9;color:var(--t2)}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:13.5px;color:var(--t2);transition:color .2s ease}
.footer-links a:hover{color:var(--acid)}
.footer-chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 12px;border:1px solid var(--line);border-radius:12px;
  background:rgba(255,255,255,.02);
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.footer-chip:hover{border-color:var(--line-acid);color:var(--acid);transform:translateY(-2px)}
.footer-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:12.5px;color:var(--t3);
}

/* ---------- 移动端固定操作条 ---------- */
.mobile-bar{display:none}
@media (max-width:920px){
  .mobile-bar{
    display:block;position:fixed;left:0;right:0;bottom:0;z-index:70;
    padding:0 16px calc(12px + env(safe-area-inset-bottom));
  }
  .mobile-bar-inner{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    height:56px;padding:0 8px 0 18px;border-radius:999px;
    background:rgba(11,13,16,.92);
    border:1px solid var(--line);
    -webkit-backdrop-filter:blur(12px);
    backdrop-filter:blur(12px);
  }
  .mobile-bar-text{
    font-size:13px;color:var(--t2);
    white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  }
  html body{padding-bottom:78px}
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .article-side{display:none}
  .mobile-toc{display:block}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:920px){
  .nav-chips{display:none}
  .hamburger{display:grid}
  .nav-actions .btn{display:none}
}
@media (max-width:768px){
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .pn-grid{grid-template-columns:minmax(0,1fr)}
  .pn-card.pn-next{text-align:left;align-items:flex-start}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
}
@media (max-width:520px){
  .brand-text{font-size:15.5px}
  .related-grid{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .paper-body h2{font-size:20px}
  .paper-body table{display:block;overflow-x:auto;white-space:nowrap}
  .cta-actions .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important}
  html{scroll-behavior:auto}
}

/* roulang page: category1 */
:root {
    --ink: #0B0D10;
    --panel: #12151B;
    --card: #171B22;
    --float: #1E232C;
    --lime: #B6F03C;
    --lime-soft: #CBFF66;
    --coral: #FF6A3D;
    --text: #F2F5F0;
    --text-2: #A6ADB8;
    --text-3: #6E7683;
    --line: rgba(255, 255, 255, .08);
    --line-lime: rgba(182, 240, 60, .45);
    --paper: #F7F5EF;
    --radius: 18px;
    --radius-sm: 12px;
    --radius-lg: 24px;
    --shadow: 0 18px 40px -24px rgba(0, 0, 0, .9);
    --glow: 0 0 0 1px rgba(182, 240, 60, .28), 0 14px 34px -18px rgba(182, 240, 60, .32);
    --gap: 20px;
  }

  * { box-sizing: border-box; }

  html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

  body {
    margin: 0;
    background: var(--ink);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    font-size: 16px;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
  }

  img { display: block; max-width: 100%; }
  a { color: inherit; text-decoration: none; }
  button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
  ul, ol { margin: 0; padding: 0; list-style: none; }
  h1, h2, h3, h4, p { margin: 0; }
  svg { flex: none; }

  .wrap {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
  }

  /* ---------- 顶部导航 ---------- */
  .nav-bar {
    position: sticky;
    top: 0;
    z-index: 60;
    padding: 12px 0;
  }

  .nav-card {
    display: flex;
    align-items: center;
    gap: 14px;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 10px 14px;
    transition: background .25s ease, backdrop-filter .25s ease, box-shadow .25s ease;
  }

  .nav-card.is-scrolled {
    background: rgba(11, 13, 16, .9);
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
    box-shadow: var(--shadow);
  }

  .brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex: none;
  }

  .brand-mark {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: var(--lime);
    color: var(--ink);
    font-weight: 800;
    font-size: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    letter-spacing: 0;
  }

  .brand-text {
    font-size: 16px;
    font-weight: 700;
    letter-spacing: .01em;
    white-space: nowrap;
  }

  .brand-text em {
    font-style: normal;
    color: var(--lime);
  }

  .nav-chips {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1 1 auto;
    min-width: 0;
    overflow-x: auto;
    scrollbar-width: none;
    scroll-snap-type: x mandatory;
    padding: 2px 0;
  }

  .nav-chips::-webkit-scrollbar { display: none; }

  .cat-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, .02);
    color: var(--text-2);
    font-size: 14px;
    font-weight: 600;
    white-space: nowrap;
    scroll-snap-align: start;
    transition: transform .2s ease, border-color .2s ease, color .2s ease, background .2s ease;
  }

  .cat-chip svg { stroke: currentColor; }

  .cat-chip:hover,
  .cat-chip:focus-visible {
    color: var(--text);
    border-color: var(--line-lime);
    transform: translateY(-2px);
    outline: none;
  }

  .cat-chip.active {
    color: var(--lime);
    border-color: var(--line-lime);
    background: rgba(182, 240, 60, .1);
  }

  .nav-right {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: none;
    margin-left: auto;
  }

  .menu-btn {
    display: none;
    width: 42px;
    height: 42px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--line);
    color: var(--text);
    align-items: center;
    justify-content: center;
    transition: border-color .2s ease, color .2s ease;
  }

  .menu-btn:hover { border-color: var(--line-lime); color: var(--lime); }

  /* ---------- 按钮 ---------- */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 48px;
    padding: 0 22px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: .01em;
    transition: transform .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
  }

  .btn-primary {
    background: var(--lime);
    color: var(--ink);
  }

  .btn-primary:hover,
  .btn-primary:focus-visible {
    background: var(--lime-soft);
    transform: translateY(-1px);
    outline: none;
  }

  .btn-primary:active { transform: scale(.98); }

  .btn-ghost {
    border: 1px solid var(--line);
    color: var(--text-2);
  }

  .btn-ghost:hover,
  .btn-ghost:focus-visible {
    border-color: var(--line-lime);
    color: var(--lime);
    outline: none;
  }

  .btn-sm { height: 40px; padding: 0 16px; font-size: 14px; }
  .btn-block { width: 100%; }

  :focus-visible {
    outline: 2px solid var(--lime);
    outline-offset: 2px;
  }

  /* ---------- 移动抽屉 ---------- */
  .drawer {
    position: fixed;
    inset: 0;
    z-index: 90;
    background: rgba(11, 13, 16, .97);
    padding: 20px;
    display: none;
    flex-direction: column;
    gap: 14px;
    overflow-y: auto;
  }

  .drawer.open { display: flex; }

  .drawer-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 6px;
  }

  .drawer-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    border-radius: var(--radius);
    border: 1px solid var(--line);
    background: var(--card);
    font-size: 16px;
    font-weight: 600;
    color: var(--text-2);
  }

  .drawer-item.active { color: var(--lime); border-color: var(--line-lime); background: rgba(182, 240, 60, .08); }

  .drawer-foot { margin-top: auto; padding-top: 18px; }

  .drawer-close {
    width: 42px;
    height: 42px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--line);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--text);
  }

  /* ---------- 页头 ---------- */
  .page-head {
    position: relative;
    padding: 48px 0 56px;
    border-bottom: 1px solid var(--line);
    overflow: hidden;
  }

  .page-head::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(182, 240, 60, .5) 1px, transparent 1px);
    background-size: 22px 22px;
    opacity: .06;
    pointer-events: none;
  }

  .page-head::after {
    content: "";
    position: absolute;
    right: -120px;
    top: -140px;
    width: 420px;
    height: 420px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(182, 240, 60, .14), transparent 68%);
    pointer-events: none;
  }

  .page-head .wrap { position: relative; z-index: 1; }

  .breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-3);
    margin-bottom: 18px;
    flex-wrap: wrap;
  }

  .breadcrumb a { color: var(--text-3); transition: color .2s ease; }
  .breadcrumb a:hover { color: var(--lime); }
  .breadcrumb span.current { color: var(--text-2); }

  .kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    letter-spacing: .12em;
    color: var(--lime);
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 14px;
  }

  .kicker::before {
    content: "";
    width: 22px;
    height: 2px;
    background: var(--lime);
    border-radius: 2px;
  }

  h1 {
    font-size: clamp(30px, 5vw, 52px);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -.5px;
    max-width: 860px;
  }

  .head-lead {
    margin-top: 18px;
    max-width: 720px;
    font-size: 16px;
    line-height: 1.85;
    color: var(--text-2);
  }

  .head-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 28px;
  }

  /* ---------- 通用板块 ---------- */
  .section { padding: 88px 0; }
  .section--tight { padding: 64px 0 88px; }

  .section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 28px;
    flex-wrap: wrap;
  }

  .section-head h2 {
    font-size: clamp(22px, 3vw, 30px);
    font-weight: 700;
    letter-spacing: -.3px;
  }

  .section-head p {
    margin-top: 8px;
    font-size: 14px;
    color: var(--text-3);
    max-width: 620px;
  }

  .link-more {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--lime);
    transition: gap .2s ease, color .2s ease;
  }

  .link-more:hover { gap: 10px; color: var(--lime-soft); }

  /* ---------- 竖屏卡墙 ---------- */
  .wall {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
  }

  .v-card {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--card);
    border: 1px solid var(--line);
    aspect-ratio: 9 / 16;
    display: flex;
    align-items: flex-end;
    transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
  }

  .v-card img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 22%;
    transition: transform .25s ease;
  }

  .v-card::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(11, 13, 16, .12) 0%, rgba(11, 13, 16, .38) 46%, rgba(11, 13, 16, .92) 100%);
  }

  .v-card:hover {
    transform: translateY(-4px);
    border-color: var(--line-lime);
    box-shadow: var(--glow);
  }

  .v-card:hover img { transform: scale(1.03); }

  .v-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    z-index: 2;
    font-size: 11px;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 999px;
    background: var(--coral);
    color: var(--ink);
  }

  .v-body {
    position: relative;
    z-index: 2;
    padding: 14px;
    width: 100%;
  }

  .v-body h3 {
    font-size: 15px;
    font-weight: 700;
    line-height: 1.45;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .v-meta {
    margin-top: 8px;
    font-size: 12px;
    letter-spacing: .02em;
    color: var(--text-2);
  }

  /* ---------- 编号清单 ---------- */
  .row-list {
    border-top: 1px solid var(--line);
  }

  .row {
    display: grid;
    grid-template-columns: 56px 96px 1fr auto;
    align-items: center;
    gap: 20px;
    padding: 20px 12px;
    border-bottom: 1px solid var(--line);
    transition: background .2s ease;
  }

  .row:hover { background: rgba(255, 255, 255, .03); }

  .row-no {
    font-size: 28px;
    font-weight: 800;
    color: var(--lime);
    opacity: .7;
    line-height: 1;
    letter-spacing: -.02em;
    transition: opacity .2s ease;
  }

  .row:hover .row-no { opacity: 1; }

  @supports (-webkit-text-stroke: 1px black) {
    .row-no { -webkit-text-stroke: 0; }
  }

  .row-thumb {
    width: 96px;
    height: 96px;
    border-radius: 14px;
    overflow: hidden;
    background: var(--card);
    border: 1px solid var(--line);
  }

  .row-thumb img { width: 100%; height: 100%; object-fit: cover; object-position: center 25%; }

  .row-main h3 { font-size: 18px; font-weight: 700; }

  .row-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 10px;
  }

  .tag {
    font-size: 12px;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 8px;
    border: 1px solid rgba(182, 240, 60, .45);
    background: rgba(182, 240, 60, .1);
    color: var(--lime);
  }

  .tag--muted {
    border-color: var(--line);
    background: rgba(255, 255, 255, .03);
    color: var(--text-2);
  }

  .row-meta {
    margin-top: 8px;
    font-size: 12px;
    color: var(--text-3);
    letter-spacing: .02em;
  }

  .row-go {
    width: 42px;
    height: 42px;
    border-radius: 999px;
    border: 1px solid var(--line);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--text-2);
    transition: border-color .2s ease, color .2s ease, transform .2s ease;
  }

  .row:hover .row-go { border-color: var(--line-lime); color: var(--lime); transform: translateX(3px); }

  /* ---------- 口碑横滑 ---------- */
  .rail {
    display: flex;
    gap: 16px;
    overflow-x: auto;
    scrollbar-width: none;
    scroll-snap-type: x mandatory;
    padding-bottom: 6px;
    margin: 0 -20px;
    padding-left: 20px;
    padding-right: 20px;
  }

  .rail::-webkit-scrollbar { display: none; }

  .review-card {
    flex: 0 0 auto;
    width: 300px;
    scroll-snap-align: start;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 20px;
  }

  .review-top {
    display: flex;
    align-items: center;
    gap: 12px;
  }

  .avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--float);
    color: var(--lime);
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: none;
  }

  .review-name { font-size: 15px; font-weight: 600; }

  .stars {
    display: flex;
    gap: 3px;
    margin-top: 4px;
  }

  .stars i {
    width: 10px;
    height: 10px;
    background: var(--lime);
    border-radius: 2px;
    display: block;
  }

  .review-text {
    margin-top: 14px;
    font-size: 14px;
    line-height: 1.75;
    color: var(--text-2);
  }

  .review-foot {
    margin-top: 14px;
    font-size: 12px;
    color: var(--text-3);
    letter-spacing: .02em;
  }

  /* ---------- FAQ ---------- */
  .faq-list {
    max-width: 860px;
  }

  .faq-item {
    border-bottom: 1px solid var(--line);
    border-left: 3px solid transparent;
    transition: border-color .2s ease;
  }

  .faq-item.open { border-left-color: var(--lime); }

  .faq-q {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    text-align: left;
    padding: 22px 12px 22px 0;
    font-size: 16px;
    font-weight: 600;
    transition: padding .2s ease, color .2s ease;
  }

  .faq-item.open .faq-q { padding-left: 12px; color: var(--lime); }

  .faq-q svg { transition: transform .2s ease; color: var(--text-3); }
  .faq-item.open .faq-q svg { transform: rotate(180deg); color: var(--lime); }

  .faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height .25s ease, padding .25s ease;
    padding: 0 24px 0 0;
  }

  .faq-item.open .faq-a { padding: 0 24px 22px 12px; }

  .faq-a p {
    font-size: 14.5px;
    line-height: 1.8;
    color: var(--text-2);
  }

  /* ---------- CTA 面板 ---------- */
  .cta-panel {
    position: relative;
    border-radius: var(--radius-lg);
    border: 1px solid var(--line);
    background: var(--panel);
    padding: 44px;
    display: flex;
    align-items: center;
    gap: 40px;
    overflow: hidden;
  }

  .cta-panel::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(115deg, rgba(182, 240, 60, .12) 0%, rgba(182, 240, 60, .02) 42%, transparent 70%);
    pointer-events: none;
  }

  .cta-panel > * { position: relative; z-index: 1; }

  .cta-copy { flex: 1 1 60%; }

  .cta-copy h2 {
    font-size: clamp(22px, 3vw, 30px);
    font-weight: 700;
    letter-spacing: -.3px;
  }

  .cta-copy p {
    margin-top: 12px;
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-2);
    max-width: 620px;
  }

  .cta-actions {
    flex: 0 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
    min-width: 220px;
  }

  /* ---------- 延伸阅读 ---------- */
  .mini-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .mini-card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
  }

  .mini-card:hover {
    transform: translateY(-4px);
    border-color: var(--line-lime);
    box-shadow: var(--glow);
  }

  .mini-cover {
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--float);
  }

  .mini-cover img { width: 100%; height: 100%; object-fit: cover; object-position: center 30%; transition: transform .25s ease; }
  .mini-card:hover .mini-cover img { transform: scale(1.03); }

  .mini-body { padding: 16px 18px 20px; }

  .mini-body h3 {
    font-size: 16px;
    font-weight: 700;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .mini-body p {
    margin-top: 8px;
    font-size: 13px;
    line-height: 1.7;
    color: var(--text-3);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  /* ---------- 页脚 ---------- */
  .site-footer {
    border-top: 1px solid var(--line);
    background: var(--panel);
    padding: 64px 0 28px;
    margin-top: 24px;
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 36px;
  }

  .footer-title {
    font-size: 14px;
    font-weight: 700;
    letter-spacing: .04em;
    color: var(--text);
    margin-bottom: 16px;
  }

  .footer-text {
    font-size: 13.5px;
    line-height: 1.85;
    color: var(--text-3);
    max-width: 360px;
  }

  .footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
    font-size: 14px;
    color: var(--text-2);
  }

  .footer-links a { transition: color .2s ease; }
  .footer-links a:hover { color: var(--lime); }

  .footer-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, .02);
    transition: border-color .2s ease, color .2s ease, transform .2s ease;
  }

  .footer-chip:hover { border-color: var(--line-lime); color: var(--lime); transform: translateY(-2px); }

  .footer-bottom {
    margin-top: 44px;
    padding-top: 20px;
    border-top: 1px solid var(--line);
    display: flex;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    font-size: 12.5px;
    color: var(--text-3);
    letter-spacing: .02em;
  }

  /* ---------- 移动端操作条 ---------- */
  .mobile-bar {
    position: fixed;
    left: 12px;
    right: 12px;
    bottom: 12px;
    z-index: 70;
    display: none;
    align-items: center;
    gap: 12px;
    height: 56px;
    padding: 0 10px 0 16px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: rgba(11, 13, 16, .92);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    box-shadow: var(--shadow);
  }

  .mobile-bar p {
    flex: 1 1 auto;
    font-size: 13px;
    color: var(--text-2);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  /* ---------- 响应式 ---------- */
  @media (max-width: 1024px) {
    .wall { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    .cta-panel { flex-direction: column; align-items: flex-start; gap: 28px; padding: 36px; }
    .cta-actions { width: 100%; flex-direction: row; flex-wrap: wrap; }
    .cta-actions .btn { flex: 1 1 200px; }
  }

  @media (max-width: 900px) {
    .nav-cta { display: none; }
    .menu-btn { display: inline-flex; }
  }

  @media (max-width: 768px) {
    .wrap { padding: 0 16px; }
    .section { padding: 56px 0; }
    .section--tight { padding: 44px 0 56px; }
    .wall { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
    .row-list { border-top: 1px solid var(--line); }
    .row {
      grid-template-columns: 40px 72px 1fr;
      grid-template-areas:
        "no thumb main"
        ". thumb go";
      gap: 12px 14px;
      padding: 18px 4px;
      align-items: start;
    }
    .row-no { grid-area: no; font-size: 22px; }
    .row-thumb { grid-area: thumb; width: 72px; height: 72px; border-radius: 12px; }
    .row-main { grid-area: main; }
    .row-main h3 { font-size: 16px; }
    .row-go { grid-area: go; width: 34px; height: 34px; justify-self: start; }
    .mini-grid { grid-template-columns: 1fr; gap: 14px; }
    .review-card { width: 272px; }
    .site-footer { padding: 48px 0 24px; }
    .footer-grid { grid-template-columns: 1fr; gap: 28px; }
    .footer-text { max-width: none; }
    .mobile-bar { display: flex; }
    body { padding-bottom: 76px; }
    .cta-panel { padding: 26px 20px; border-radius: var(--radius); }
    .cta-actions { flex-direction: column; }
    .cta-actions .btn { width: 100%; flex: none; }
    .page-head { padding: 32px 0 40px; }
    .head-actions .btn { flex: 1 1 100%; }
  }

  @media (max-width: 520px) {
    .wall { gap: 10px; }
    .v-card { border-radius: 14px; }
    .v-body { padding: 10px; }
    .v-body h3 { font-size: 13.5px; }
    .v-meta { margin-top: 6px; font-size: 11px; }
    .v-badge { top: 8px; left: 8px; padding: 3px 8px; font-size: 10px; }
    .faq-q { font-size: 15px; padding: 18px 8px 18px 0; }
    .faq-item.open .faq-q { padding-left: 10px; }
    .faq-a { padding-right: 12px; }
    .faq-item.open .faq-a { padding: 0 12px 18px 10px; }
  }

  @media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after {
      transition-duration: .001ms !important;
      animation-duration: .001ms !important;
    }
    .v-card:hover, .mini-card:hover, .cat-chip:hover, .btn-primary:hover { transform: none; }
    .v-card:hover img, .mini-card:hover .mini-cover img { transform: none; }
  }

/* roulang page: category2 */
:root {
    --lime: #B6F03C;
    --lime-light: #CBFF66;
    --coral: #FF6A3D;
    --ink: #0B0D10;
    --panel: #12151B;
    --card: #171B22;
    --raised: #1E232C;
    --line: rgba(255, 255, 255, .08);
    --line-lime: rgba(182, 240, 60, .45);
    --text: #F2F5F0;
    --text-2: #A6ADB8;
    --text-3: #6E7683;
    --paper: #F7F5EF;
    --r-card: 18px;
    --r-panel: 24px;
    --r-chip: 12px;
    --shadow: 0 18px 40px -24px rgba(0, 0, 0, .9);
    --glow: 0 0 0 1px rgba(182, 240, 60, .28), 0 14px 34px -18px rgba(182, 240, 60, .32);
  }

  *, *::before, *::after { box-sizing: border-box; }

  html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

  body {
    margin: 0;
    background: var(--ink);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    font-size: 16px;
    line-height: 1.75;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
  }

  img { display: block; max-width: 100%; }
  a { color: inherit; text-decoration: none; }
  button { font: inherit; color: inherit; }
  h1, h2, h3, h4, p { margin: 0; }
  ul { margin: 0; padding: 0; list-style: none; }

  ::selection { background: var(--lime); color: var(--ink); }

  .no-sb { scrollbar-width: none; -ms-overflow-style: none; }
  .no-sb::-webkit-scrollbar { display: none; }
  .nav-chips { scrollbar-width: none; -ms-overflow-style: none; }
  .nav-chips::-webkit-scrollbar { display: none; }

  .wrap { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
  @media (max-width: 640px) { .wrap { padding: 0 16px; } }

  /* ---------- 顶部导航 ---------- */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 60;
    padding: 12px 0;
    transition: background .25s ease-out, backdrop-filter .25s ease-out;
  }
  .site-header.is-scrolled {
    background: rgba(11, 13, 16, .9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
  }
  .nav-panel {
    display: flex;
    align-items: center;
    gap: 18px;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--r-card);
    padding: 12px 18px;
    box-shadow: var(--shadow);
  }
  .brand { display: flex; align-items: center; gap: 10px; flex: none; }
  .brand-mark {
    width: 34px; height: 34px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--lime), #7FBF1F);
    color: #0B0D10;
    font-weight: 800;
    font-size: 17px;
    display: grid;
    place-items: center;
    flex: none;
  }
  .brand-text { font-size: 16px; font-weight: 700; letter-spacing: -.2px; white-space: nowrap; }
  .brand-text em { font-style: normal; color: var(--lime); }

  .nav-chips {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
    justify-content: center;
    min-width: 0;
  }
  .cat-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 14px;
    border-radius: var(--r-chip);
    border: 1px solid var(--line);
    background: var(--card);
    color: var(--text-2);
    font-size: 14px;
    font-weight: 600;
    white-space: nowrap;
    transition: border-color .2s ease-out, color .2s ease-out, transform .2s ease-out, background .2s ease-out;
  }
  .cat-chip svg { stroke: currentColor; fill: none; flex: none; }
  .cat-chip:hover { border-color: var(--line-lime); color: var(--lime); transform: translateY(-2px); }
  .cat-chip.active {
    border-color: var(--line-lime);
    color: var(--lime);
    background: rgba(182, 240, 60, .08);
  }
  .cat-chip:focus-visible { outline: 2px solid var(--lime); outline-offset: 2px; }

  .nav-actions { display: flex; align-items: center; gap: 10px; flex: none; }

  .menu-btn {
    display: none;
    width: 40px; height: 40px;
    border-radius: var(--r-chip);
    border: 1px solid var(--line);
    background: var(--card);
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: border-color .2s ease-out, color .2s ease-out;
  }
  .menu-btn svg { stroke: currentColor; fill: none; }
  .menu-btn:hover { border-color: var(--line-lime); color: var(--lime); }

  /* ---------- 按钮 ---------- */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 46px;
    padding: 0 22px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 700;
    border: 1px solid transparent;
    cursor: pointer;
    white-space: nowrap;
    transition: background .2s ease-out, color .2s ease-out, border-color .2s ease-out, transform .2s ease-out, opacity .2s ease-out;
  }
  .btn-primary { background: var(--lime); color: #0B0D10; }
  .btn-primary:hover { background: var(--lime-light); transform: translateY(-1px); }
  .btn-primary:active { transform: scale(.98); }
  .btn-ghost { background: transparent; border-color: var(--line); color: var(--text); }
  .btn-ghost:hover { border-color: var(--line-lime); color: var(--lime); }
  .btn-sm { height: 40px; padding: 0 16px; font-size: 14px; }
  .btn:focus-visible { outline: 2px solid var(--lime); outline-offset: 2px; }

  /* ---------- 页面头部 ---------- */
  .page-hero {
    position: relative;
    padding: 68px 0 60px;
    border-bottom: 1px solid var(--line);
    background-image: linear-gradient(rgba(11, 13, 16, .82), rgba(11, 13, 16, .95)), url("/assets/images/backpic/back-2.webp");
    background-size: cover;
    background-position: center;
    overflow: hidden;
  }
  .page-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(255, 255, 255, .055) 1px, transparent 1px);
    background-size: 18px 18px;
    pointer-events: none;
  }
  .page-hero .wrap { position: relative; z-index: 1; }

  .crumbs { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: 13px; color: var(--text-3); }
  .crumbs a { transition: color .2s ease-out; }
  .crumbs a:hover { color: var(--lime); }
  .crumbs .cur { color: var(--text-2); }

  .kicker {
    display: inline-block;
    margin-top: 20px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .14em;
    color: var(--lime);
  }

  h1 {
    font-size: clamp(30px, 5vw, 52px);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -.5px;
    margin-top: 14px;
    max-width: 900px;
  }

  .lead {
    max-width: 780px;
    margin-top: 18px;
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-2);
  }

  .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }

  .hero-points { display: flex; flex-wrap: wrap; align-items: center; margin-top: 26px; font-size: 13px; color: var(--text-2); }
  .hero-points li { display: inline-flex; align-items: center; }
  .hero-points li + li::before {
    content: "";
    display: inline-block;
    width: 1px;
    height: 12px;
    background: var(--line);
    margin: 0 14px;
    vertical-align: -1px;
  }

  /* ---------- 通用板块 ---------- */
  .section { padding: 88px 0; }
  .section + .section { padding-top: 0; }
  @media (max-width: 768px) {
    .section { padding: 56px 0; }
    .section + .section { padding-top: 0; }
  }

  .sec-head { max-width: 740px; margin-bottom: 32px; }
  .sec-head h2 {
    font-size: clamp(24px, 3.4vw, 32px);
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: -.3px;
    margin-bottom: 10px;
  }
  .sec-head p { font-size: 15px; color: var(--text-2); }

  /* ---------- 双列对照 ---------- */
  .compare-list { border-top: 1px solid var(--line); }
  .compare-row {
    display: grid;
    grid-template-columns: minmax(210px, .9fr) 1.7fr;
    border-bottom: 1px solid var(--line);
    transition: background .2s ease-out;
  }
  .compare-row:hover { background: rgba(255, 255, 255, .02); }
  .compare-left { display: flex; align-items: center; gap: 16px; padding: 28px 26px 28px 0; }
  .compare-left .num {
    font-size: 28px;
    font-weight: 800;
    line-height: 1;
    color: var(--lime);
    opacity: .7;
    font-variant-numeric: tabular-nums;
    flex: none;
  }
  .compare-left h3 { font-size: 18px; font-weight: 600; }
  .compare-right { border-left: 1px solid var(--line); padding: 28px 0 28px 30px; }
  .compare-right p { font-size: 15px; line-height: 1.85; color: var(--text-2); }
  .compare-right .tip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 12px;
    font-size: 12px;
    color: var(--coral);
    border: 1px solid rgba(255, 106, 61, .35);
    background: rgba(255, 106, 61, .08);
    border-radius: 8px;
    padding: 4px 10px;
  }
  @media (max-width: 768px) {
    .compare-row { grid-template-columns: 1fr; }
    .compare-left { padding: 22px 0 12px; }
    .compare-right { border-left: 0; border-top: 1px solid var(--line); padding: 16px 0 22px; }
  }

  /* ---------- 分组小卡 ---------- */
  .group-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
  .group-card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--r-card);
    padding: 22px;
    transition: border-color .2s ease-out, transform .2s ease-out;
  }
  .group-card:hover { border-color: var(--line-lime); }
  .group-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
  }
  .group-card h3 .tag {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .04em;
    color: var(--lime);
    border: 1px solid var(--line-lime);
    background: rgba(182, 240, 60, .1);
    border-radius: 8px;
    padding: 3px 8px;
  }
  .mini-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
  .mini-card {
    background: var(--raised);
    border: 1px solid var(--line);
    border-radius: var(--r-chip);
    padding: 14px 12px;
    transition: border-color .2s ease-out, transform .2s ease-out;
  }
  .mini-card:hover { border-color: var(--line-lime); transform: translateY(-2px); }
  .mini-card svg { stroke: var(--lime); fill: none; }
  .mini-card strong { display: block; margin: 8px 0 4px; font-size: 14px; font-weight: 600; }
  .mini-card span { display: block; font-size: 12px; line-height: 1.65; color: var(--text-3); }

  @media (max-width: 1024px) { .group-grid { grid-template-columns: 1fr 1fr; } }
  @media (max-width: 680px) { .group-grid { grid-template-columns: 1fr; } }

  /* ---------- 步骤条 ---------- */
  .steps {
    display: flex;
    gap: 0;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding-bottom: 10px;
  }
  .step {
    flex: 0 0 268px;
    scroll-snap-align: start;
    padding-right: 22px;
    position: relative;
  }
  .step-top { display: flex; align-items: center; margin-bottom: 18px; }
  .step-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--lime);
    flex: none;
    box-shadow: 0 0 0 4px rgba(182, 240, 60, .15);
  }
  .step-line {
    flex: 1;
    height: 1px;
    margin-left: 10px;
    background: linear-gradient(90deg, var(--lime), rgba(255, 255, 255, .08));
    opacity: .6;
  }
  .step:last-child .step-line { background: transparent; opacity: 0; }
  .step-idx {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .08em;
    color: var(--lime);
    margin-bottom: 8px;
  }
  .step h3 { font-size: 17px; font-weight: 600; margin-bottom: 8px; }
  .step p { font-size: 14px; line-height: 1.75; color: var(--text-2); }

  @media (max-width: 768px) {
    .step { flex: 0 0 232px; padding-right: 16px; }
  }

  /* ---------- FAQ ---------- */
  .faq { border-top: 1px solid var(--line); }
  .faq-item { border-bottom: 1px solid var(--line); }
  .faq-q {
    position: relative;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 0;
    background: none;
    border: 0;
    text-align: left;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: color .2s ease-out, padding-left .2s ease-out;
  }
  .faq-q::before {
    content: "";
    position: absolute;
    left: 0;
    top: 16px;
    bottom: 16px;
    width: 3px;
    border-radius: 3px;
    background: var(--lime);
    opacity: 0;
    transition: opacity .2s ease-out;
  }
  .faq-q:hover { color: var(--lime); }
  .faq-q[aria-expanded="true"] { color: var(--lime); padding-left: 12px; }
  .faq-q[aria-expanded="true"]::before { opacity: 1; }
  .faq-q:focus-visible { outline: 2px solid var(--lime); outline-offset: 2px; }
  .faq-arrow { flex: none; stroke: currentColor; fill: none; color: var(--text-3); transition: transform .2s ease-out, color .2s ease-out; }
  .faq-q[aria-expanded="true"] .faq-arrow { transform: rotate(180deg); color: var(--lime); }
  .faq-a { padding: 0 0 20px; transition: padding-left .2s ease-out; }
  .faq-a p { font-size: 15px; line-height: 1.85; color: var(--text-2); }
  .faq-q[aria-expanded="true"] + .faq-a { padding-left: 12px; }

  /* ---------- 延伸阅读 ---------- */
  .read-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
  .read-card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--r-card);
    overflow: hidden;
    transition: transform .2s ease-out, border-color .2s ease-out;
    display: block;
  }
  .read-card:hover { transform: translateY(-4px); border-color: var(--line-lime); }
  .read-card .thumb { aspect-ratio: 16 / 9; background: var(--raised); overflow: hidden; }
  .read-card .thumb img { width: 100%; height: 100%; object-fit: cover; object-position: center top; transition: transform .25s ease-out; }
  .read-card:hover .thumb img { transform: scale(1.03); }
  .read-card .body { padding: 18px; }
  .read-card .body .badge {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .04em;
    color: var(--lime);
    border: 1px solid var(--line-lime);
    background: rgba(182, 240, 60, .1);
    border-radius: 8px;
    padding: 3px 8px;
    margin-bottom: 10px;
  }
  .read-card h3 { font-size: 16px; font-weight: 600; line-height: 1.5; margin-bottom: 8px; }
  .read-card p { font-size: 13px; line-height: 1.7; color: var(--text-3); }
  @media (max-width: 900px) {
    .read-grid { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; gap: 14px; padding-bottom: 8px; }
    .read-grid::-webkit-scrollbar { display: none; }
    .read-card { flex: 0 0 268px; scroll-snap-align: start; }
  }

  /* ---------- 底部行动面板 ---------- */
  .cta-band { padding: 0 0 96px; }
  @media (max-width: 768px) { .cta-band { padding-bottom: 64px; } }
  .cta-panel {
    position: relative;
    overflow: hidden;
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 34px;
    align-items: center;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--r-panel);
    padding: 46px;
  }
  .cta-panel::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(115deg, rgba(182, 240, 60, .12), rgba(182, 240, 60, 0) 58%);
    pointer-events: none;
  }
  .cta-panel > * { position: relative; z-index: 1; }
  .cta-panel h2 {
    font-size: clamp(22px, 3vw, 30px);
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: -.3px;
    margin-bottom: 12px;
  }
  .cta-panel p { font-size: 15px; line-height: 1.8; color: var(--text-2); }
  .cta-actions { display: flex; flex-direction: column; gap: 12px; }
  @media (max-width: 768px) {
    .cta-panel { grid-template-columns: 1fr; padding: 30px 22px; gap: 24px; }
    .cta-actions .btn { width: 100%; }
  }

  /* ---------- 页脚 ---------- */
  .site-footer { border-top: 1px solid var(--line); background: var(--panel); padding: 64px 0 0; }
  .footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 34px; }
  .footer-title { font-size: 14px; font-weight: 700; margin-bottom: 16px; color: var(--text); }
  .footer-text { font-size: 13.5px; line-height: 1.85; color: var(--text-3); }
  .footer-links { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; }
  .footer-links a { font-size: 14px; color: var(--text-2); transition: color .2s ease-out; }
  .footer-links a:hover { color: var(--lime); }
  .footer-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    border-radius: var(--r-chip);
    border: 1px solid var(--line);
    background: var(--card);
    color: var(--text-2);
    font-size: 14px;
    font-weight: 600;
    transition: border-color .2s ease-out, color .2s ease-out, transform .2s ease-out;
  }
  .footer-chip:hover { border-color: var(--line-lime); color: var(--lime); transform: translateY(-2px); }
  .footer-bottom {
    margin-top: 48px;
    padding: 22px 0;
    border-top: 1px solid var(--line);
    display: flex;
    flex-wrap: wrap;
    gap: 8px 24px;
    justify-content: space-between;
    font-size: 13px;
    color: var(--text-3);
  }
  @media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; } }
  @media (max-width: 520px) { .footer-grid { grid-template-columns: 1fr; gap: 26px; } }

  /* ---------- 移动端抽屉 ---------- */
  .drawer {
    position: fixed;
    inset: 0;
    z-index: 90;
    background: rgba(11, 13, 16, .98);
    backdrop-filter: blur(10px);
    padding: 20px 18px 32px;
    overflow-y: auto;
  }
  .drawer[hidden] { display: none; }
  .drawer-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 22px; }
  .drawer-close {
    width: 40px; height: 40px;
    border-radius: var(--r-chip);
    border: 1px solid var(--line);
    background: var(--card);
    display: grid;
    place-items: center;
    cursor: pointer;
  }
  .drawer-close svg { stroke: currentColor; fill: none; }
  .d-card {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 16px;
    margin-bottom: 12px;
    font-weight: 600;
    font-size: 15px;
    color: var(--text-2);
    transition: border-color .2s ease-out, color .2s ease-out;
  }
  .d-card svg { stroke: currentColor; fill: none; flex: none; }
  .d-card.active { border-color: var(--line-lime); color: var(--lime); background: rgba(182, 240, 60, .08); }
  .drawer .d-cta { display: block; width: 100%; margin-top: 20px; }

  /* ---------- 移动端底部操作条 ---------- */
  .mobile-bar { display: none; }

  @media (max-width: 860px) {
    .nav-panel { flex-wrap: wrap; padding: 10px 14px; gap: 12px; }
    .brand { order: 1; }
    .nav-actions { order: 2; margin-left: auto; }
    .nav-actions .btn { display: none; }
    .menu-btn { display: inline-flex; }
    .nav-chips {
      order: 3;
      flex-basis: 100%;
      justify-content: flex-start;
      overflow-x: auto;
      scroll-snap-type: x mandatory;
      padding-bottom: 2px;
    }
    .cat-chip { scroll-snap-align: start; }
    .brand-text { font-size: 15px; }
  }

  @media (max-width: 640px) {
    .mobile-bar {
      position: fixed;
      left: 12px;
      right: 12px;
      bottom: 12px;
      z-index: 70;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      height: 56px;
      padding: 0 8px 0 18px;
      background: rgba(11, 13, 16, .92);
      backdrop-filter: blur(10px);
      -webkit-backdrop-filter: blur(10px);
      border: 1px solid var(--line);
      border-radius: 999px;
      box-shadow: var(--shadow);
    }
    .mobile-bar span { font-size: 13px; color: var(--text-2); }
    body { padding-bottom: 72px; }
  }

  @media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
      animation-duration: .001ms !important;
      transition-duration: .001ms !important;
      scroll-behavior: auto !important;
    }
    .cat-chip:hover, .btn-primary:hover, .read-card:hover, .mini-card:hover, .footer-chip:hover { transform: none; }
  }