/* roulang page: index */
:root{
  --bg-0:#0B0D10;
  --bg-1:#14171C;
  --bg-2:#1C2027;
  --line:rgba(255,255,255,.07);
  --line-strong:rgba(255,255,255,.14);
  --brand:#B4FF39;
  --accent:#FF5C7A;
  --tag:#7B61FF;
  --text:#F2F4F7;
  --text-2:#9AA3AF;
  --text-3:#6B7280;
  --r-card:18px;
  --r-hero:24px;
  --r-sm:12px;
  --shadow:0 18px 40px -20px rgba(0,0,0,.75);
  --shadow-hover:0 26px 60px -24px rgba(0,0,0,.85);
  --ease:cubic-bezier(.2,.7,.3,1);
  --sb-w:232px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding:0;
  background-color:var(--bg-0);
  background-image:
    linear-gradient(rgba(255,255,255,.022) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.022) 1px,transparent 1px);
  background-size:64px 64px;
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--brand);}
button{font:inherit;color:inherit;cursor:pointer;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;padding:0;}
ul,ol{list-style:none;}
input,textarea{font:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.num,.stat b,.pick-no,.rank-no,.cms-meta,.clip-views,.pick-heat{font-variant-numeric:tabular-nums;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}

/* ---------- App shell ---------- */
.app-side{
  position:fixed;top:0;left:0;bottom:0;width:var(--sb-w);
  background:var(--bg-1);border-right:1px solid var(--line);
  display:flex;flex-direction:column;padding:18px 14px 16px;
  z-index:80;transition:width .25s var(--ease),transform .28s var(--ease);
}
.app-main{margin-left:var(--sb-w);transition:margin-left .25s var(--ease);min-height:100vh;display:flex;flex-direction:column;overflow-x:hidden;}

.side-logo{display:flex;align-items:center;gap:10px;padding:6px 6px 14px;border-bottom:1px solid var(--line);}
.logo-mark{
  flex:0 0 auto;width:36px;height:36px;border-radius:11px;
  background:linear-gradient(135deg,#B4FF39,#7ED016);
  color:#0B0D10;font-weight:800;font-size:17px;
  display:flex;align-items:center;justify-content:center;
}
.logo-text{font-size:15px;font-weight:700;letter-spacing:-.01em;line-height:1.25;color:var(--text);}
.logo-mini{display:none;font-size:13px;font-weight:700;color:var(--brand);}

.side-nav{display:flex;flex-direction:column;gap:4px;margin-top:16px;flex:1 1 auto;}
.nav-item{
  position:relative;display:flex;align-items:center;gap:12px;
  padding:11px 12px;border-radius:12px;color:var(--text-2);font-size:15px;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.nav-item i{width:20px;text-align:center;font-size:15px;}
.nav-item:hover{background:var(--bg-2);color:var(--text);}
.nav-item.is-active{background:var(--bg-2);color:var(--brand);}
.nav-item.is-active::before{
  content:'';position:absolute;left:-14px;top:50%;transform:translateY(-50%);
  width:3px;height:20px;border-radius:0 3px 3px 0;background:var(--brand);
}
.side-divider{height:1px;background:var(--line);margin:14px 6px;}

.side-card{
  background:var(--bg-2);border:1px solid var(--line);border-radius:14px;
  padding:14px;margin-bottom:12px;
}
.side-card b{display:block;font-size:13px;color:var(--brand);letter-spacing:.02em;}
.side-card p{font-size:12px;color:var(--text-3);line-height:1.6;margin-top:4px;}
.side-card .btn{margin-top:10px;width:100%;padding:8px 12px;font-size:13px;}
.sb-toggle{
  display:flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;border:1px solid var(--line);border-radius:10px;
  color:var(--text-3);font-size:13px;padding:9px;transition:all .2s var(--ease);
}
.sb-toggle:hover{border-color:var(--brand);color:var(--brand);}

body.sb-collapsed{--sb-w:72px;}
body.sb-collapsed .logo-text{display:none;}
body.sb-collapsed .logo-mini{display:block;}
body.sb-collapsed .side-logo{justify-content:center;padding-left:0;padding-right:0;}
body.sb-collapsed .nav-item{flex-direction:column;gap:4px;padding:9px 2px;font-size:10px;}
body.sb-collapsed .nav-item i{font-size:16px;}
body.sb-collapsed .nav-item span{font-size:10px;line-height:1.2;text-align:center;white-space:nowrap;}
body.sb-collapsed .nav-item.is-active::before{left:-8px;}
body.sb-collapsed .side-card p,body.sb-collapsed .side-card b{display:none;}
body.sb-collapsed .side-card{padding:8px;text-align:center;}
body.sb-collapsed .side-card .btn{padding:8px 0;font-size:12px;}
body.sb-collapsed .sb-toggle span{display:none;}

/* ---------- Topbar / drawer ---------- */
.topbar{
  position:sticky;top:0;z-index:70;height:56px;display:none;
  align-items:center;justify-content:space-between;gap:12px;padding:0 14px;
  background:rgba(11,13,16,.94);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.topbar-brand{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:700;}
.topbar-brand .logo-mark{width:28px;height:28px;font-size:14px;border-radius:9px;}
.icon-btn{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line);
  background:var(--bg-1);color:var(--text-2);display:flex;align-items:center;justify-content:center;
  transition:all .2s var(--ease);
}
.icon-btn:hover{border-color:var(--brand);color:var(--brand);}
.drawer-mask{
  position:fixed;inset:0;background:rgba(0,0,0,.66);z-index:75;
  opacity:0;visibility:hidden;transition:opacity .25s var(--ease),visibility .25s var(--ease);
}
body.drawer-open .drawer-mask{opacity:1;visibility:visible;}
.side-close{display:none;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid transparent;border-radius:999px;padding:12px 24px;
  font-size:15px;font-weight:600;line-height:1.2;
  transition:all .2s var(--ease);white-space:nowrap;
}
.btn-primary{background:linear-gradient(135deg,#C6FF5E,#98E31F);color:#0B0D10;}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);color:#0B0D10;box-shadow:0 0 0 4px rgba(180,255,57,.12);}
.btn-line{background:transparent;border-color:var(--line-strong);color:var(--text);}
.btn-line:hover{border-color:var(--brand);background:rgba(180,255,57,.10);color:var(--brand);}
.btn:active{transform:translateY(1px);}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-mini{
  padding:6px 14px;font-size:13px;border-radius:10px;border:1px solid var(--line-strong);
  background:transparent;color:var(--text-2);
}
.btn-mini:hover{border-color:var(--brand);color:var(--brand);background:rgba(180,255,57,.08);}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--text-2);}
.link-more:hover{color:var(--brand);}
.link-more i{font-size:12px;transition:transform .2s var(--ease);}
.link-more:hover i{transform:translateX(4px);}

/* ---------- Badges ---------- */
.badge{
  display:inline-flex;align-items:center;height:22px;padding:0 9px;border-radius:999px;
  font-size:12px;line-height:1;font-weight:600;letter-spacing:.01em;
}
.badge-tag{background:rgba(123,97,255,.18);color:#B9A9FF;border:1px solid rgba(123,97,255,.35);}
.badge-hot{background:rgba(255,92,122,.16);color:#FF97AC;border:1px solid rgba(255,92,122,.36);}
.pill-duration{
  display:inline-flex;align-items:center;height:22px;padding:0 8px;border-radius:6px;
  background:rgba(0,0,0,.62);color:#fff;font-size:12px;font-weight:600;
}

/* ---------- Sections ---------- */
.section{padding-block:clamp(28px,4vw,54px);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px;flex-wrap:wrap;}
.sec-head h2{
  position:relative;padding-left:16px;margin:0;
  font-size:clamp(22px,2.6vw,32px);font-weight:700;line-height:1.25;letter-spacing:-.01em;
}
.sec-head h2::before{
  content:'';position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:2px;background:var(--brand);
}
.sec-note{font-size:14px;color:var(--text-3);max-width:560px;margin-top:8px;line-height:1.7;}

/* ---------- Hero ---------- */
.hero{padding-top:clamp(30px,5vw,64px);}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:48px;align-items:center;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--brand);
  background:rgba(180,255,57,.08);border:1px solid rgba(180,255,57,.22);
  padding:5px 12px;border-radius:999px;margin-bottom:18px;
}
.hero h1{
  font-size:clamp(28px,4.2vw,46px);line-height:1.15;font-weight:800;letter-spacing:-.01em;
  margin:0 0 16px;max-width:16em;
}
.hero-sub{font-size:clamp(15px,1.4vw,17px);color:var(--text-2);margin-bottom:26px;}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:38px;}
.hero-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;border-top:1px solid var(--line);padding-top:22px;}
.stat b{display:block;font-size:clamp(22px,2.4vw,30px);font-weight:800;color:var(--brand);line-height:1.1;letter-spacing:-.01em;}
.stat b span{font-size:.6em;font-weight:700;margin-left:2px;}
.stat>span{display:block;font-size:13px;color:var(--text-3);margin-top:6px;}

.hero-visual{
  position:relative;width:100%;max-width:392px;margin-left:auto;
  height:clamp(420px,62vh,660px);border-radius:var(--r-hero);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow);
}
.hero-visual img{width:100%;height:100%;object-fit:cover;}
.hero-visual::after{
  content:'';position:absolute;left:0;right:0;bottom:0;height:44%;
  background:linear-gradient(to top,rgba(11,13,16,.94),rgba(11,13,16,0));
}
.hero-play{
  position:absolute;left:50%;top:46%;transform:translate(-50%,-50%);
  width:64px;height:64px;border-radius:50%;border:0;
  background:rgba(180,255,57,.92);color:#0B0D10;font-size:20px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 0 0 10px rgba(180,255,57,.12);z-index:3;
  transition:all .2s var(--ease);
}
.hero-play:hover{transform:translate(-50%,-50%) scale(1.06);background:#C6FF5E;}
.hero-pill{
  position:absolute;z-index:3;font-size:12px;font-weight:600;
  padding:6px 12px;border-radius:999px;background:rgba(11,13,16,.78);
  border:1px solid var(--line-strong);backdrop-filter:blur(6px);
  display:inline-flex;align-items:center;gap:6px;
}
.hero-pill-tl{left:14px;top:14px;color:var(--accent);}
.hero-pill-br{right:14px;bottom:14px;color:var(--brand);}

/* ---------- Clip grid ---------- */
.clip-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:20px;}
.clip-card{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.clip-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(180,255,57,.35);}
.clip-cover{position:relative;aspect-ratio:9/16;overflow:hidden;}
.clip-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.clip-card:hover .clip-cover img{transform:scale(1.03);}
.clip-cover .pill-duration{position:absolute;left:10px;top:10px;z-index:2;}
.clip-cover .badge-hot{position:absolute;right:10px;top:10px;z-index:2;}
.clip-shade{
  position:absolute;left:0;right:0;bottom:0;padding:14px 12px 12px;z-index:2;
  background:linear-gradient(to top,rgba(11,13,16,.96) 12%,rgba(11,13,16,.6) 60%,rgba(11,13,16,0));
  transition:background .25s var(--ease);
}
.clip-card:hover .clip-shade{background:linear-gradient(to top,rgba(11,13,16,1) 24%,rgba(11,13,16,.72) 66%,rgba(11,13,16,0));}
.clip-shade h3{
  font-size:14px;font-weight:600;line-height:1.45;color:#fff;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.clip-tag{
  display:inline-block;margin-top:8px;font-size:11px;color:#C9BFFF;
  background:rgba(123,97,255,.18);border:1px solid rgba(123,97,255,.32);
  padding:1px 8px;border-radius:999px;
}
.clip-views{font-size:12px;color:var(--text-2);margin-top:6px;}

/* ---------- Pick list ---------- */
.pick-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:32px;}
.pick-row{
  display:grid;grid-template-columns:38px 56px minmax(0,1fr) auto auto;
  align-items:center;gap:14px;padding:16px 12px;
  border-bottom:1px solid var(--line);border-radius:10px;
  transition:background .2s var(--ease);
}
.pick-row:hover{background:var(--bg-2);}
.pick-no{font-size:15px;font-weight:700;color:var(--brand);letter-spacing:.02em;}
.pick-thumb{width:56px;height:56px;border-radius:12px;object-fit:cover;border:1px solid var(--line);}
.pick-main h3{font-size:16px;font-weight:600;line-height:1.4;margin-bottom:2px;}
.pick-main p{font-size:13px;color:var(--text-3);line-height:1.6;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.pick-heat{font-size:13px;color:var(--accent);font-weight:600;white-space:nowrap;}

/* ---------- Quotes marquee ---------- */
.marquee{position:relative;overflow:hidden;padding:4px 0;}
.marquee::before,.marquee::after{
  content:'';position:absolute;top:0;bottom:0;width:90px;z-index:2;pointer-events:none;
}
.marquee::before{left:0;background:linear-gradient(to right,var(--bg-0),transparent);}
.marquee::after{right:0;background:linear-gradient(to left,var(--bg-0),transparent);}
.marquee-track{display:flex;gap:16px;width:max-content;animation:scrollL 52s linear infinite;}
.marquee.rev .marquee-track{animation:scrollR 60s linear infinite;}
.marquee:hover .marquee-track{animation-play-state:paused;}
@keyframes scrollL{from{transform:translateX(0);}to{transform:translateX(-50%);}}
@keyframes scrollR{from{transform:translateX(-50%);}to{transform:translateX(0);}}
.quote{
  display:flex;gap:12px;align-items:flex-start;
  background:var(--bg-1);border:1px solid var(--line);border-radius:14px;
  padding:14px 18px;width:330px;flex:0 0 auto;
}
.quote-avatar{
  flex:0 0 auto;width:32px;height:32px;border-radius:50%;
  background:var(--bg-2);border:1px solid var(--line-strong);
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;color:var(--brand);
}
.quote-top{display:flex;align-items:center;gap:8px;}
.quote-top b{font-size:13px;font-weight:600;color:var(--text);}
.stars{font-size:11px;color:var(--brand);letter-spacing:.06em;}
.quote-body p{font-size:13.5px;color:var(--text-2);line-height:1.65;margin-top:2px;}
.quote-body time{font-size:11px;color:var(--text-3);}

/* ---------- CMS list ---------- */
.cms-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.cms-card{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.cms-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(180,255,57,.35);}
.cms-cover{display:block;aspect-ratio:16/10;overflow:hidden;background:var(--bg-1);}
.cms-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.cms-card:hover .cms-cover img{transform:scale(1.03);}
.cms-body{padding:16px 18px 18px;display:flex;flex-direction:column;flex:1 1 auto;}
.cms-body .badge{align-self:flex-start;margin-bottom:10px;}
.cms-title{font-size:16px;font-weight:600;line-height:1.5;}
.cms-title a{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;color:var(--text);}
.cms-title a:hover{color:var(--brand);}
.cms-desc{
  font-size:13.5px;color:var(--text-3);line-height:1.7;margin-top:8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.cms-meta{margin-top:auto;padding-top:14px;font-size:12.5px;color:var(--text-3);display:flex;gap:12px;align-items:center;}
.cms-empty{
  grid-column:1/-1;background:var(--bg-1);border:1px dashed var(--line-strong);
  border-radius:var(--r-card);padding:52px 24px;text-align:center;
}
.empty-figure{
  width:62px;height:62px;margin:0 auto 16px;border-radius:18px;background:var(--bg-2);
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
  font-size:22px;color:var(--text-3);
}
.cms-empty p{font-size:14px;color:var(--text-2);margin-bottom:18px;}
.pager{display:flex;justify-content:center;gap:10px;margin-top:34px;flex-wrap:wrap;}
.pager-item{
  min-width:40px;height:40px;padding:0 12px;border-radius:10px;
  border:1px solid var(--line);background:transparent;color:var(--text-2);
  display:inline-flex;align-items:center;justify-content:center;font-size:14px;
  transition:all .2s var(--ease);
}
.pager-item:hover{border-color:var(--brand);color:var(--brand);}
.pager-item.is-current{background:var(--brand);border-color:var(--brand);color:#0B0D10;font-weight:700;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:920px;}
.faq-acc{background:transparent;border:0;margin:0;}
.faq-acc .accordion-item{
  background:var(--bg-1);border:1px solid var(--line);border-radius:14px;
  margin-bottom:12px;overflow:hidden;transition:border-color .2s var(--ease);
}
.faq-acc .accordion-item:hover{border-color:var(--line-strong);}
.faq-acc .accordion-item.is-active{border-color:rgba(180,255,57,.35);box-shadow:inset 3px 0 0 var(--brand);}
.faq-acc .accordion-title{
  position:relative;display:block;padding:18px 56px 18px 20px;
  font-size:15.5px;font-weight:600;color:var(--text);line-height:1.6;
  background:transparent;border:0;
}
.faq-acc .accordion-title:hover{background:var(--bg-2);color:var(--text);}
.faq-acc .accordion-title::before{
  content:'+';position:absolute;right:20px;left:auto;top:50%;
  transform:translateY(-50%);width:auto;height:auto;margin:0;
  font-size:22px;line-height:1;font-weight:400;color:var(--brand);
  transition:transform .25s var(--ease);
}
.faq-acc .accordion-item.is-active>.accordion-title::before{content:'−';transform:translateY(-50%) rotate(0deg);}
.faq-acc .accordion-content{
  padding:0 22px 20px;color:var(--text-2);font-size:14.5px;line-height:1.85;
  background:transparent;border:0;
}
.faq-acc .accordion-content p{margin:0;}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background-image:linear-gradient(135deg,rgba(180,255,57,.06),rgba(123,97,255,.05));
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;padding-block:clamp(34px,4vw,52px);flex-wrap:wrap;}
.cta-inner h2{font-size:clamp(20px,2.2vw,28px);font-weight:700;line-height:1.3;margin-bottom:8px;}
.cta-inner p{font-size:14.5px;color:var(--text-2);max-width:52ch;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:78;display:none;
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  background:rgba(20,23,28,.97);border-top:1px solid var(--line);
  align-items:center;justify-content:space-between;gap:14px;
  transform:translateY(110%);transition:transform .3s var(--ease);
}
.sticky-cta.is-show{transform:translateY(0);}
.sticky-cta b{font-size:14px;font-weight:600;}
.sticky-cta span{display:block;font-size:12px;color:var(--text-3);}

/* ---------- Footer ---------- */
.site-foot{background:var(--bg-1);border-top:1px solid var(--line);margin-top:auto;}
.foot-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;
  padding-block:clamp(38px,5vw,60px);
}
.foot-logo{font-size:16px;font-weight:700;color:var(--text);margin-bottom:12px;letter-spacing:-.01em;}
.foot-brand p{font-size:13.5px;color:var(--text-3);line-height:1.8;max-width:38ch;}
.foot-col h4{font-size:14px;font-weight:700;color:var(--text);margin-bottom:14px;}
.foot-col ul li{margin-bottom:9px;}
.foot-col ul a,.foot-col ul span{font-size:13.5px;color:var(--text-3);}
.foot-col ul a:hover{color:var(--brand);}
.foot-form{display:flex;gap:8px;margin-bottom:8px;}
.foot-form input{
  flex:1 1 auto;min-width:0;background:var(--bg-0);border:1px solid var(--line);
  border-radius:12px;padding:11px 14px;color:var(--text);font-size:13.5px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.foot-form input::placeholder{color:var(--text-3);}
.foot-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(180,255,57,.12);}
.form-tip{font-size:12.5px;color:var(--text-3);min-height:18px;}
.form-tip.is-ok{color:var(--brand);}
.form-tip.is-err{color:var(--accent);}
.foot-bar{border-top:1px solid var(--line);}
.foot-bar-inner{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-block:18px;font-size:13px;color:var(--text-3);
}
.foot-bar-inner a:hover{color:var(--brand);}

/* ---------- Responsive ---------- */
@media (max-width:1279px) and (min-width:1024px){
  :root{--sb-w:72px;}
  .logo-text{display:none;}
  .logo-mini{display:block;}
  .side-logo{justify-content:center;}
  .nav-item{flex-direction:column;gap:4px;padding:9px 2px;font-size:10px;}
  .nav-item i{font-size:16px;}
  .nav-item span{font-size:10px;line-height:1.2;text-align:center;white-space:nowrap;}
  .side-card p,.side-card b{display:none;}
  .side-card{padding:8px;text-align:center;}
  .side-card .btn{padding:8px 0;font-size:12px;}
  .sb-toggle span{display:none;}
}
@media (max-width:1023px){
  .app-side{width:272px;transform:translateX(-102%);box-shadow:0 0 60px rgba(0,0,0,.7);}
  body.drawer-open .app-side{transform:translateX(0);}
  .app-main{margin-left:0;}
  .topbar{display:flex;}
  .side-close{display:flex;position:absolute;right:12px;top:16px;width:32px;height:32px;border-radius:9px;
    border:1px solid var(--line);background:var(--bg-2);color:var(--text-2);align-items:center;justify-content:center;}
  .side-logo{padding-right:44px;}
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .hero-visual{margin:0 auto;max-width:340px;height:min(66vh,520px);}
  .clip-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
  .cms-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .sticky-cta{display:flex;}
  .site-foot{padding-bottom:76px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .hero-stats{grid-template-columns:1fr 1fr;gap:14px;}
  .pick-list{grid-template-columns:1fr;column-gap:0;}
  .pick-row{grid-template-columns:30px 48px minmax(0,1fr) auto;gap:12px;padding:14px 8px;}
  .pick-thumb{width:48px;height:48px;border-radius:11px;}
  .pick-heat{display:none;}
  .clip-grid{display:flex;overflow-x:auto;gap:14px;scroll-snap-type:x mandatory;padding-bottom:10px;-webkit-overflow-scrolling:touch;}
  .clip-card{flex:0 0 62%;scroll-snap-align:start;}
  .marquee::before,.marquee::after{width:44px;}
  .quote{width:272px;padding:12px 14px;}
  .foot-grid{grid-template-columns:1fr;gap:28px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .foot-bar-inner{font-size:12.5px;}
  .pager .pager-item:not(.is-current):not(.pager-nav){display:none;}
}
@media (max-width:519px){
  .hero-cta{flex-direction:column;align-items:stretch;}
  .hero-cta .btn{width:100%;}
  .hero-stats{grid-template-columns:1fr 1fr;}
  .clip-card{flex:0 0 74%;}
  .foot-form{flex-direction:column;}
  .foot-form .btn{width:100%;}
  .cms-grid{grid-template-columns:1fr;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
  .marquee-track{animation:none;flex-wrap:wrap;width:100%;justify-content:center;}
  .marquee::before,.marquee::after{display:none;}
}

/* roulang page: category1 */
:root{
  --bg-0:#0B0D10;
  --bg-1:#14171C;
  --bg-2:#1C2027;
  --line:rgba(255,255,255,.07);
  --brand:#B4FF39;
  --brand-deep:#86cc22;
  --accent:#FF5C7A;
  --tag:#7B61FF;
  --t1:#F2F4F7;
  --t2:#9AA3AF;
  --t3:#6B7280;
  --r-card:18px;
  --r-hero:24px;
  --shadow:0 18px 40px -20px rgba(0,0,0,.75), inset 0 1px 0 rgba(255,255,255,.04);
  --shadow-hover:0 26px 60px -24px rgba(0,0,0,.85), inset 0 1px 0 rgba(255,255,255,.06);
  --ease:cubic-bezier(.2,.7,.3,1);
  --side-w:232px;
  --side-w-min:72px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--t1);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:15px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  background-image:linear-gradient(rgba(255,255,255,.028) 1px, transparent 1px),linear-gradient(90deg, rgba(255,255,255,.028) 1px, transparent 1px);
  background-size:64px 64px;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--brand);}
button,input{font-family:inherit;font-size:inherit;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--t1);letter-spacing:-.01em;}
p{margin:0;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ================= Shell ================= */
.side-shell{
  position:fixed;top:0;left:0;bottom:0;width:var(--side-w);
  background:var(--bg-1);
  border-right:1px solid var(--line);
  display:flex;flex-direction:column;gap:14px;
  padding:18px 14px;
  z-index:60;
  transition:width .24s var(--ease),transform .24s var(--ease);
}
.brand-row{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:4px 2px 10px;border-bottom:1px solid var(--line);}
.brand{display:flex;align-items:center;gap:10px;min-width:0;}
.brand-mark{
  flex:0 0 auto;width:34px;height:34px;border-radius:11px;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  color:#0B0D10;font-weight:800;font-size:17px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 0 0 4px rgba(180,255,57,.08);
}
.brand-text{font-size:15px;font-weight:700;color:var(--t1);white-space:nowrap;transition:opacity .18s var(--ease);}
.collapse-btn{
  flex:0 0 auto;width:28px;height:28px;border-radius:9px;border:1px solid var(--line);
  background:var(--bg-2);color:var(--t2);cursor:pointer;font-size:12px;line-height:1;
  display:flex;align-items:center;justify-content:center;transition:all .2s var(--ease);
}
.collapse-btn:hover{color:var(--brand);border-color:rgba(180,255,57,.35);}
.side-nav{display:flex;flex-direction:column;gap:4px;}
.nav-item{
  position:relative;display:flex;align-items:center;gap:12px;
  padding:11px 12px;border-radius:12px;color:var(--t2);font-size:14.5px;font-weight:500;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.nav-item i{flex:0 0 20px;text-align:center;font-size:15px;}
.nav-item span{white-space:nowrap;transition:opacity .18s var(--ease);}
.nav-item:hover{background:var(--bg-2);color:var(--t1);}
.nav-item.is-active{background:var(--bg-2);color:var(--brand);}
.nav-item.is-active::before{content:"";position:absolute;left:0;top:22%;bottom:22%;width:3px;border-radius:0 3px 3px 0;background:var(--brand);}
.side-card{
  margin-top:auto;background:var(--bg-2);border:1px solid var(--line);border-radius:14px;padding:14px;
  transition:opacity .18s var(--ease);
}
.side-card h5{margin:0 0 6px;font-size:13.5px;color:var(--t1);font-weight:600;}
.side-card p{font-size:12.5px;color:var(--t2);line-height:1.65;margin-bottom:10px;}
.side-card .btn{width:100%;justify-content:center;}

body.nav-collapsed .side-shell{width:var(--side-w-min);}
body.nav-collapsed .main-area{margin-left:var(--side-w-min);}
body.nav-collapsed .brand-text,
body.nav-collapsed .nav-item span{opacity:0;width:0;overflow:hidden;}
body.nav-collapsed .side-card{height:0;padding:0;margin:0;border:0;opacity:0;overflow:hidden;}
body.nav-collapsed .brand-row{justify-content:center;}

.main-area{
  margin-left:var(--side-w);
  padding:0 32px 0;
  transition:margin-left .24s var(--ease),padding .24s var(--ease);
}
.wrap{max-width:1240px;margin:0 auto;}

/* ================= Topbar (mobile) ================= */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:56px;z-index:70;
  background:rgba(11,13,16,.94);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  align-items:center;justify-content:space-between;padding:0 14px;
}
.topbar .tb-btn{width:36px;height:36px;border-radius:11px;border:1px solid var(--line);background:var(--bg-1);color:var(--t1);display:flex;align-items:center;justify-content:center;cursor:pointer;}
.topbar .tb-brand{display:flex;align-items:center;gap:8px;font-weight:700;font-size:14.5px;}
.topbar .tb-brand .brand-mark{width:28px;height:28px;border-radius:9px;font-size:14px;}
.drawer-mask{
  display:none;position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:55;
}
body.drawer-open .drawer-mask{display:block;}

/* ================= Buttons ================= */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid transparent;border-radius:999px;cursor:pointer;
  padding:12px 24px;font-size:14.5px;font-weight:600;line-height:1;
  transition:all .2s var(--ease);white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand),#9ee82c);
  color:#0B0D10;box-shadow:0 10px 24px -14px rgba(180,255,57,.65);
}
.btn-primary:hover{color:#0B0D10;filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 0 0 4px rgba(180,255,57,.12),0 16px 30px -16px rgba(180,255,57,.7);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{background:transparent;border-color:rgba(255,255,255,.18);color:var(--t1);}
.btn-outline:hover{background:rgba(180,255,57,.10);border-color:var(--brand);color:var(--brand);transform:translateY(-2px);}
.btn-ghost{background:transparent;border-color:transparent;color:var(--t2);padding:8px 4px;}
.btn-ghost:hover{color:var(--brand);text-decoration:underline;text-underline-offset:4px;}
.btn-sm{padding:9px 18px;font-size:13px;}
.btn-sq{border-radius:10px;}

/* ================= Badges / chips ================= */
.badge{display:inline-flex;align-items:center;height:22px;padding:0 8px;border-radius:999px;font-size:12px;line-height:1;font-weight:600;}
.badge-tag{background:rgba(123,97,255,.18);color:#B7A6FF;}
.badge-hot{background:rgba(255,92,122,.9);color:#fff;}
.badge-dur{background:rgba(0,0,0,.62);color:#fff;font-variant-numeric:tabular-nums;}
.chip-row{display:flex;gap:10px;overflow-x:auto;padding-bottom:4px;scrollbar-width:none;}
.chip-row::-webkit-scrollbar{display:none;}
.chip{
  flex:0 0 auto;border:1px solid var(--line);background:transparent;color:var(--t2);
  border-radius:999px;padding:8px 16px;font-size:13px;cursor:pointer;transition:all .2s var(--ease);
}
.chip:hover{background:var(--bg-1);color:var(--t1);}
.chip.is-on{background:var(--tag);border-color:var(--tag);color:#fff;box-shadow:0 8px 20px -12px rgba(123,97,255,.9);}

/* ================= Section basics ================= */
.section{padding:clamp(56px,8vw,108px) 0 0;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px;}
.sec-head h2{font-size:clamp(22px,2.6vw,32px);font-weight:700;line-height:1.25;padding-left:14px;position:relative;}
.sec-head h2::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:3px;background:var(--brand);}
.sec-sub{margin-top:8px;color:var(--t2);font-size:14px;padding-left:14px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.08em;color:var(--brand);text-transform:uppercase;font-weight:700;}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--brand);border-radius:2px;}

/* ================= Cat hero ================= */
.cat-hero{
  position:relative;margin-top:28px;border-radius:var(--r-hero);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow);
}
.cat-hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  filter:saturate(.9);
}
.cat-hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(11,13,16,.94) 0%,rgba(11,13,16,.86) 46%,rgba(11,13,16,.6) 100%);}
.cat-hero-inner{position:relative;padding:clamp(26px,4vw,52px);}
.crumb{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--t2);margin-bottom:18px;}
.crumb a{color:var(--t2);}
.crumb a:hover{color:var(--brand);}
.crumb i{font-size:10px;color:var(--t3);}
.cat-hero h1{
  font-size:clamp(28px,4.2vw,46px);line-height:1.15;font-weight:800;letter-spacing:-.01em;
  margin:12px 0 14px;max-width:820px;
}
.cat-hero h1 em{font-style:normal;color:var(--brand);}
.cat-lead{color:#C8CFD8;font-size:15.5px;max-width:620px;line-height:1.85;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:38px;margin-top:32px;padding-top:24px;border-top:1px solid var(--line);}
.hero-stats li{min-width:110px;}
.hero-stats b{display:block;font-size:26px;font-weight:800;color:var(--brand);line-height:1.2;font-variant-numeric:tabular-nums;}
.hero-stats span{font-size:13px;color:var(--t2);}

/* ================= Clip grid (category 1) ================= */
.filter-bar{
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  margin-bottom:24px;
}
.filter-bar .sort{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--t3);}
.clip-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.clip-card{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow);transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.clip-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(180,255,57,.35);}
.clip-thumb{
  position:relative;display:block;aspect-ratio:9/16;overflow:hidden;background:var(--bg-1);
}
.clip-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease);}
.clip-card:hover .clip-thumb img{transform:scale(1.03);}
.clip-thumb .mask{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,13,16,.55) 0%,rgba(11,13,16,0) 32%,rgba(11,13,16,.72) 74%,rgba(11,13,16,.94) 100%);
}
.pill-dur{position:absolute;top:10px;left:10px;z-index:2;}
.thumb-top{position:absolute;top:10px;right:10px;z-index:2;}
.thumb-info{position:absolute;left:0;right:0;bottom:0;padding:12px 12px 13px;z-index:2;}
.thumb-info h3{font-size:14.5px;font-weight:600;line-height:1.45;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.thumb-info p{font-size:12px;color:#B8C0CA;display:flex;gap:8px;align-items:center;}
.play-dot{
  position:absolute;left:50%;top:44%;transform:translate(-50%,-50%);z-index:2;
  width:46px;height:46px;border-radius:50%;background:rgba(11,13,16,.55);
  border:1px solid rgba(180,255,57,.55);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:14px;
  transition:all .2s var(--ease);
}
.clip-card:hover .play-dot{background:rgba(180,255,57,.92);color:#0B0D10;border-color:var(--brand);}
.clip-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 14px;border-top:1px solid var(--line);}
.clip-meta .stat{font-size:13px;color:var(--t2);font-variant-numeric:tabular-nums;}
.clip-meta .stat b{color:var(--brand);font-weight:700;}

.pager{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:36px;}
.pager a,.pager span{
  min-width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:13.5px;color:var(--t2);background:transparent;transition:all .2s var(--ease);
}
.pager a:hover{border-color:rgba(180,255,57,.4);color:var(--brand);background:var(--bg-1);}
.pager .is-cur{background:var(--brand);border-color:var(--brand);color:#0B0D10;font-weight:700;}

/* ================= Steps ================= */
.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.step{
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;transition:all .2s var(--ease);
}
.step:hover{background:var(--bg-2);border-color:rgba(180,255,57,.3);transform:translateY(-4px);}
.step .idx{font-size:26px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1;}
.step h3{font-size:16px;font-weight:600;margin:14px 0 8px;}
.step p{font-size:13.5px;color:var(--t2);line-height:1.8;}

/* ================= Version panel ================= */
.version-panel{
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:0;
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-hero);overflow:hidden;box-shadow:var(--shadow);
}
.version-panel .vp-media{position:relative;min-height:300px;}
.version-panel .vp-media img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;}
.version-panel .vp-media::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,13,16,.45),rgba(11,13,16,.1));}
.version-panel .vp-body{padding:clamp(24px,3.4vw,38px);}
.version-panel h2{font-size:clamp(22px,2.4vw,28px);font-weight:700;padding-left:14px;position:relative;line-height:1.3;}
.version-panel h2::before{content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:3px;background:var(--brand);}
.version-panel .vp-desc{color:var(--t2);font-size:14.5px;margin:14px 0 22px;line-height:1.85;}
.vp-list li{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 0;border-top:1px solid var(--line);font-size:14px;}
.vp-list li:first-child{border-top:0;}
.vp-list span{color:var(--t2);}
.vp-list b{color:var(--t1);font-weight:600;font-variant-numeric:tabular-nums;}
.vp-list b.on{color:var(--brand);}

/* ================= FAQ ================= */
.faq-wrap{max-width:900px;}
.accordion{background:transparent;border:0;margin:0;}
.accordion-item{background:var(--bg-1);border:1px solid var(--line)!important;border-radius:16px;margin-bottom:12px;overflow:hidden;transition:border-color .2s var(--ease);}
.accordion-item:hover{border-color:rgba(255,255,255,.14)!important;}
.accordion-item.is-active{border-color:rgba(180,255,57,.3)!important;position:relative;}
.accordion-item.is-active::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;background:var(--brand);z-index:2;}
.accordion-title{
  background:transparent!important;border:0!important;color:var(--t1)!important;
  font-size:15.5px;font-weight:600;padding:18px 52px 18px 22px!important;position:relative;
}
.accordion-title:hover{color:var(--brand)!important;}
.accordion-title::before{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  color:var(--brand);font-size:20px;font-weight:400;line-height:1;display:block!important;
  transition:transform .2s var(--ease);
}
.accordion-item.is-active .accordion-title::before{content:"−";}
.accordion-content{background:transparent!important;border:0!important;color:var(--t2)!important;padding:0 22px 20px!important;font-size:14.5px;line-height:1.9;}

/* ================= CTA strip ================= */
.cta-strip{
  display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-hero);
  padding:clamp(24px,3.4vw,42px);box-shadow:var(--shadow);position:relative;overflow:hidden;
}
.cta-strip::after{content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(180,255,57,.14),transparent 65%);}
.cta-strip h2{font-size:clamp(20px,2.4vw,28px);font-weight:700;position:relative;z-index:1;padding-left:14px;}
.cta-strip h2::before{content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:3px;background:var(--brand);}
.cta-strip p{color:var(--t2);font-size:14px;margin-top:10px;padding-left:14px;max-width:560px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1;}

/* ================= Footer ================= */
.site-foot{margin-top:clamp(56px,8vw,100px);border-top:1px solid var(--line);background:var(--bg-1);}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px;padding:52px 0 40px;}
.foot-logo{font-size:17px;font-weight:800;color:var(--t1);margin-bottom:12px;}
.foot-logo::before{content:"";display:inline-block;width:8px;height:8px;border-radius:3px;background:var(--brand);margin-right:9px;vertical-align:middle;}
.foot-brand p{font-size:13.5px;color:var(--t2);line-height:1.85;max-width:330px;}
.foot-col h4{font-size:14px;font-weight:700;margin-bottom:16px;color:var(--t1);}
.foot-col ul li{margin-bottom:11px;font-size:13.5px;color:var(--t2);}
.foot-col ul li a{color:var(--t2);}
.foot-col ul li a:hover{color:var(--brand);}
.foot-form{display:flex;gap:8px;margin-bottom:10px;}
.foot-form input{
  flex:1;min-width:0;background:var(--bg-0);border:1px solid var(--line);border-radius:12px;
  color:var(--t1);padding:11px 14px;font-size:13.5px;transition:all .2s var(--ease);
}
.foot-form input::placeholder{color:var(--t3);}
.foot-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(180,255,57,.12);}
.form-tip{font-size:12.5px;color:var(--t3);line-height:1.7;}
.form-tip.err{color:var(--accent);}
.form-tip.ok{color:var(--brand);}
.foot-bar{border-top:1px solid var(--line);}
.foot-bar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:18px 0;font-size:13px;color:var(--t3);}

/* ================= Responsive ================= */
@media (max-width:1279.98px) and (min-width:1024px){
  .clip-grid{grid-template-columns:repeat(3,1fr);}
}
@media (max-width:1023.98px){
  .topbar{display:flex;}
  .side-shell{
    width:272px;transform:translateX(-100%);padding-top:20px;
    box-shadow:0 0 60px -10px rgba(0,0,0,.9);
  }
  body.drawer-open .side-shell{transform:translateX(0);}
  .main-area{margin-left:0!important;padding:0 18px 0!important;padding-top:76px!important;}
  body.nav-collapsed .side-shell{width:272px;}
  body.nav-collapsed .main-area{margin-left:0!important;}
  body.nav-collapsed .brand-text,
  body.nav-collapsed .nav-item span{opacity:1!important;width:auto!important;overflow:visible!important;}
  body.nav-collapsed .side-card{height:auto!important;padding:14px!important;margin-top:auto!important;border:1px solid var(--line)!important;opacity:1!important;overflow:visible!important;}
  .collapse-btn{display:none;}
  .cat-hero{margin-top:0;}
  .clip-grid{grid-template-columns:repeat(3,1fr);gap:18px;}
  .step-grid{grid-template-columns:repeat(2,1fr);}
  .version-panel{grid-template-columns:1fr;}
  .version-panel .vp-media{min-height:220px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px;padding:40px 0 30px;}
}
@media (max-width:639.98px){
  body{font-size:14.5px;}
  .main-area{padding:0 14px 0!important;padding-top:72px!important;}
  .cat-hero-inner{padding:22px 18px 26px;}
  .cat-hero h1{margin:10px 0 12px;}
  .hero-actions .btn{flex:1 1 auto;justify-content:center;}
  .hero-stats{gap:22px;}
  .hero-stats b{font-size:22px;}
  .clip-grid{grid-template-columns:repeat(2,1fr);gap:12px;}
  .clip-meta{padding:10px 11px;flex-direction:column;align-items:flex-start;gap:6px;}
  .step-grid{grid-template-columns:1fr;}
  .version-panel .vp-body{padding:22px 18px;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:10px;}
  .cta-strip{padding:24px 18px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;justify-content:center;}
  .foot-grid{grid-template-columns:1fr;gap:26px;}
  .foot-bar-inner{flex-direction:column;align-items:flex-start;gap:8px;}
  .pager a,.pager span{min-width:36px;height:36px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms!important;animation-duration:.01ms!important;}
}

/* roulang page: article */
:root{
  --bg-0:#0B0D10;
  --bg-1:#14171C;
  --bg-2:#1C2027;
  --line:rgba(255,255,255,.07);
  --brand:#B4FF39;
  --accent:#FF5C7A;
  --tag:#7B61FF;
  --tx-1:#F2F4F7;
  --tx-2:#9AA3AF;
  --tx-3:#6B7280;
  --r-card:18px;
  --r-hero:24px;
  --shadow-1:0 18px 40px -20px rgba(0,0,0,.75);
  --shadow-2:0 26px 60px -24px rgba(0,0,0,.85);
  --ease:cubic-bezier(.2,.7,.3,1);
  --side-w:232px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--tx-1);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto;object-fit:cover}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button{cursor:pointer;background:none;border:0;padding:0;font:inherit;color:inherit}
textarea,input{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
::selection{background:rgba(180,255,57,.28);color:#0B0D10}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.app-shell{display:grid;grid-template-columns:var(--side-w) minmax(0,1fr);min-height:100vh}
.main-area{min-width:0;display:flex;flex-direction:column}

/* ===== 侧栏 ===== */
.sidebar{
  position:sticky;top:0;height:100vh;z-index:60;
  background:var(--bg-1);border-right:1px solid var(--line);
  display:flex;flex-direction:column;gap:18px;
  padding:20px 14px 18px;overflow-y:auto;overflow-x:hidden;
}
.side-top{display:flex;align-items:center;justify-content:space-between;gap:8px}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
.brand-mark{
  width:34px;height:34px;flex:0 0 auto;border-radius:11px;
  background:linear-gradient(135deg,#B4FF39,#8FE019);color:#0B0D10;
  display:grid;place-items:center;font-size:15px;font-weight:800;
}
.brand-text{font-weight:800;font-size:15px;letter-spacing:-.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand-mini{display:none;font-size:12px;font-weight:700;color:var(--tx-2);letter-spacing:.02em}
.side-collapse{
  width:28px;height:28px;flex:0 0 auto;border-radius:9px;border:1px solid var(--line);
  color:var(--tx-2);display:grid;place-items:center;font-size:11px;
  transition:color .2s var(--ease),border-color .2s var(--ease),transform .25s var(--ease);
}
.side-collapse:hover{color:var(--brand);border-color:rgba(180,255,57,.4)}
.side-nav{display:flex;flex-direction:column;gap:4px;margin-top:2px}
.nav-item{
  position:relative;display:flex;align-items:center;gap:11px;
  padding:11px 12px;border-radius:12px;color:var(--tx-2);font-size:14.5px;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.nav-item i{width:20px;text-align:center;font-size:15px;flex:0 0 auto}
.nav-item span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.nav-item:hover{background:var(--bg-2);color:var(--tx-1)}
.nav-item.is-active{background:var(--bg-2);color:var(--brand);font-weight:600}
.nav-item.is-active::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:20px;border-radius:0 3px 3px 0;background:var(--brand);
}
.side-div{height:1px;background:var(--line);margin:6px 0}
.side-card{
  margin-top:auto;background:var(--bg-2);border:1px solid var(--line);
  border-radius:16px;padding:16px;display:flex;flex-direction:column;gap:10px;
}
.side-card-title{font-size:13px;font-weight:700;color:var(--brand);letter-spacing:.02em}
.side-card-desc{font-size:12.5px;line-height:1.7;color:var(--tx-2)}
.side-card .btn{width:100%}

/* ===== 移动顶栏 & 抽屉 ===== */
.mobile-bar{
  display:none;position:fixed;top:0;left:0;right:0;height:56px;z-index:100;
  background:var(--bg-0);border-bottom:1px solid var(--line);
  align-items:center;justify-content:space-between;padding:0 12px;
}
.mb-btn{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  color:var(--tx-1);display:grid;place-items:center;font-size:15px;
}
.mb-btn:active{transform:translateY(1px)}
.mb-brand{font-size:15px;font-weight:800;letter-spacing:-.01em}
.drawer-mask{
  position:fixed;inset:0;background:rgba(0,0,0,.62);z-index:90;
  opacity:0;pointer-events:none;transition:opacity .25s var(--ease);
}
body.drawer-open .drawer-mask{opacity:1;pointer-events:auto}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-weight:600;font-size:14.5px;padding:11px 22px;
  border:1px solid transparent;white-space:nowrap;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,#B4FF39,#8FE019);color:#0B0D10;
  box-shadow:0 10px 24px -14px rgba(180,255,57,.7);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px -14px rgba(180,255,57,.75),0 0 0 4px rgba(180,255,57,.12)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--tx-1)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);background:rgba(180,255,57,.08)}
.btn-sm{padding:8px 16px;font-size:13.5px}
.btn-block{width:100%}

/* ===== 徽章 / 标签 ===== */
.badge{
  display:inline-flex;align-items:center;height:22px;padding:0 9px;border-radius:999px;
  font-size:12px;font-weight:600;line-height:1;
}
.badge-tag{background:rgba(123,97,255,.16);color:#A595FF;border:1px solid rgba(123,97,255,.32)}
.badge-hot{background:rgba(255,92,122,.16);color:#FF8BA0;border:1px solid rgba(255,92,122,.3)}
.badge-lime{background:rgba(180,255,57,.14);color:var(--brand);border:1px solid rgba(180,255,57,.32)}

/* ===== 面包屑 ===== */
.crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--tx-3);padding:28px 0 18px;
}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:#383E47}
.crumb .cur{color:var(--tx-2);max-width:min(460px,60vw);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ===== 文章布局 ===== */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:36px;align-items:start;padding-bottom:8px}
.post-head{padding-top:2px}
.post-title{
  font-size:clamp(26px,3.6vw,42px);line-height:1.2;font-weight:800;letter-spacing:-.01em;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{display:flex;align-items:center;flex-wrap:wrap;gap:16px;margin-top:18px;color:var(--tx-2);font-size:13px}
.meta-item{display:inline-flex;align-items:center;gap:6px}
.meta-item i{color:var(--tx-3)}
.meta-item .num{font-variant-numeric:tabular-nums}
.post-cover{
  position:relative;margin-top:26px;border-radius:var(--r-hero);overflow:hidden;
  border:1px solid var(--line);background:var(--bg-1);
}
.post-cover img{width:100%;aspect-ratio:16/8;object-fit:cover}
.post-cover figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:16px 20px;
  font-size:12.5px;color:var(--tx-2);
  background:linear-gradient(180deg,rgba(11,13,16,0),rgba(11,13,16,.9));
}
.post-body{max-width:760px;margin-top:34px;font-size:17px;line-height:1.95;color:#DFE3E8}
.post-body h2{
  position:relative;font-size:clamp(21px,2.4vw,28px);line-height:1.35;font-weight:700;
  color:var(--tx-1);margin:2em 0 .8em;padding-left:14px;scroll-margin-top:24px;
}
.post-body h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:2px;background:var(--brand);
}
.post-body h3{font-size:19px;font-weight:600;color:var(--tx-1);margin:1.6em 0 .6em}
.post-body h4{font-size:17px;font-weight:600;color:var(--tx-1);margin:1.4em 0 .5em}
.post-body p{margin:0 0 1.4em}
.post-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.post-body a:hover{color:#ceff7a}
.post-body ul,.post-body ol{margin:0 0 1.4em;padding-left:2px}
.post-body li{position:relative;padding-left:20px;margin-bottom:.5em}
.post-body li::before{
  content:"";position:absolute;left:2px;top:.78em;width:7px;height:7px;border-radius:2px;background:var(--brand);
}
.post-body blockquote{
  margin:1.6em 0;padding:16px 18px;border-left:3px solid var(--brand);
  background:var(--bg-1);border-radius:0 12px 12px 0;color:var(--tx-2);
}
.post-body img{border-radius:14px;margin:1.6em 0;width:100%}
.post-body figure{margin:1.6em 0}
.post-body figcaption{font-size:13px;color:var(--tx-3);text-align:center;margin-top:10px}
.post-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px}
.post-body th,.post-body td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left}
.post-body th{color:var(--tx-2);font-weight:600;background:var(--bg-1)}
.post-body code{background:var(--bg-1);padding:2px 6px;border-radius:6px;font-size:14.5px;color:var(--brand)}

/* ===== 空态 ===== */
.empty-state{
  max-width:760px;margin-top:34px;padding:52px 24px;text-align:center;
  background:var(--bg-1);border:1px dashed var(--line);border-radius:var(--r-card);
}
.empty-icon{
  width:56px;height:56px;margin:0 auto 18px;border-radius:18px;
  background:var(--bg-2);display:grid;place-items:center;font-size:22px;color:var(--tx-3);
}
.empty-state h2{font-size:20px;font-weight:700;margin-bottom:10px}
.empty-state p{color:var(--tx-2);font-size:14px;margin-bottom:24px;line-height:1.8}

/* ===== 标签行 / 互动 ===== */
.post-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:38px}
.tag{
  padding:6px 14px;border-radius:999px;border:1px solid var(--line);
  color:var(--tx-2);font-size:13px;
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.tag:hover{border-color:var(--brand);color:var(--brand);background:rgba(180,255,57,.08)}
.post-actions{
  display:flex;gap:12px;flex-wrap:wrap;align-items:center;
  margin-top:24px;padding:18px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.act-btn{
  display:inline-flex;align-items:center;gap:8px;padding:9px 18px;border-radius:10px;
  border:1px solid var(--line);background:var(--bg-1);color:var(--tx-2);font-size:14px;
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease),transform .2s var(--ease);
}
.act-btn:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px)}
.act-btn:active{transform:translateY(0)}
.act-btn.is-on{background:rgba(180,255,57,.12);border-color:rgba(180,255,57,.45);color:var(--brand)}
.act-hint{margin-left:auto;font-size:12.5px;color:var(--tx-3)}

/* ===== 区块标题 ===== */
.sec{margin-top:clamp(52px,6vw,84px)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px;flex-wrap:wrap}
.sec-title{
  position:relative;padding-left:14px;
  font-size:clamp(20px,2.2vw,26px);font-weight:700;line-height:1.3;
}
.sec-title::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:2px;background:var(--brand);
}
.sec-sub{font-size:13.5px;color:var(--tx-2)}
.ghost-link{
  display:inline-flex;align-items:center;gap:6px;font-size:13.5px;color:var(--brand);
}
.ghost-link:hover{text-decoration:underline;text-underline-offset:4px}

/* ===== 卡片 ===== */
.card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(180,255,57,.35)}
.card-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-1)}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.card:hover .card-cover img{transform:scale(1.04)}
.card-cover .badge{position:absolute;left:12px;top:12px}
.card-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.card-title{font-size:16px;font-weight:600;line-height:1.45}
.card-desc{
  font-size:13.5px;color:var(--tx-2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-more{margin-top:auto;padding-top:6px;font-size:13px;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.reco-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}

/* ===== 返回按钮行 ===== */
.back-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:34px}

/* ===== FAQ ===== */
.accordion{display:flex;flex-direction:column;gap:10px}
.accordion-item{
  position:relative;background:var(--bg-1);border:1px solid var(--line);
  border-radius:14px;overflow:hidden;
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.accordion-item:hover{border-color:rgba(255,255,255,.14)}
.accordion-item.is-open{border-color:rgba(180,255,57,.35);background:var(--bg-2)}
.accordion-item.is-open::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--brand);
}
.accordion-title{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 18px;font-weight:600;font-size:15px;color:var(--tx-1);text-align:left;
}
.plus{position:relative;width:14px;height:14px;flex:0 0 auto;color:var(--tx-3);transition:color .2s var(--ease)}
.plus::before,.plus::after{content:"";position:absolute;background:currentColor;border-radius:1px}
.plus::before{left:0;right:0;top:6px;height:2px}
.plus::after{top:0;bottom:0;left:6px;width:2px;transition:transform .25s var(--ease),opacity .25s var(--ease)}
.accordion-item.is-open .plus{color:var(--brand)}
.accordion-item.is-open .plus::after{transform:scaleY(0);opacity:0}
.accordion-content{display:none;padding:0 18px 18px;color:var(--tx-2);font-size:14.5px;line-height:1.85}
.accordion-item.is-open .accordion-content{display:block}

/* ===== 评论 ===== */
.comments{margin-top:clamp(52px,6vw,84px)}
.comment-form{
  display:flex;gap:12px;flex-wrap:wrap;background:var(--bg-1);
  border:1px solid var(--line);border-radius:18px;padding:18px;
}
.comment-form textarea{
  flex:1 1 320px;min-height:84px;resize:vertical;
  background:var(--bg-0);border:1px solid var(--line);border-radius:12px;
  padding:12px 14px;color:var(--tx-1);font-size:14.5px;line-height:1.7;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.comment-form textarea::placeholder{color:var(--tx-3)}
.comment-form textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(180,255,57,.14)}
.comment-form .form-side{display:flex;flex-direction:column;gap:8px;justify-content:flex-end}
.form-msg{font-size:13px;color:var(--accent);min-height:18px}
.form-msg.is-ok{color:var(--brand)}
.comment-empty{
  display:flex;align-items:center;gap:14px;margin-top:16px;padding:20px 22px;
  background:var(--bg-1);border:1px dashed var(--line);border-radius:16px;color:var(--tx-2);font-size:14px;
}
.comment-empty i{font-size:18px;color:var(--tx-3)}

/* ===== 右侧栏 ===== */
.article-side{position:sticky;top:24px;display:flex;flex-direction:column;gap:20px}
.side-block{background:var(--bg-1);border:1px solid var(--line);border-radius:18px;padding:18px}
.side-block h3{
  position:relative;padding-left:12px;font-size:15px;font-weight:700;margin-bottom:14px;
}
.side-block h3::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:3px;border-radius:2px;background:var(--brand);
}
.toc-list{display:flex;flex-direction:column}
.toc-link{
  display:block;padding:8px 10px;font-size:13.5px;color:var(--tx-2);
  border-left:2px solid var(--line);line-height:1.55;
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.toc-link:hover{color:var(--tx-1);border-color:var(--tx-3)}
.toc-link.is-cur{color:var(--brand);border-color:var(--brand);background:rgba(180,255,57,.06)}
.toc-empty{font-size:13px;color:var(--tx-3)}
.buy-card{display:flex;flex-direction:column;gap:12px}
.buy-thumb{border-radius:14px;overflow:hidden;border:1px solid var(--line);background:var(--bg-2)}
.buy-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover}
.buy-title{font-size:15px;font-weight:600}
.buy-desc{font-size:13px;color:var(--tx-2);line-height:1.7}
.cat-links{display:flex;flex-direction:column;gap:2px}
.cat-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 10px;border-radius:10px;font-size:14px;color:var(--tx-2);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.cat-links a:hover{background:var(--bg-2);color:var(--brand)}
.cat-links i{font-size:11px;color:var(--tx-3)}

/* ===== CTA 条带 ===== */
.cta-band{margin-top:clamp(56px,7vw,96px);background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:34px 0;flex-wrap:wrap}
.cta-text h2{font-size:clamp(19px,2.2vw,24px);font-weight:700;margin-bottom:8px}
.cta-text p{font-size:14px;color:var(--tx-2)}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ===== 页脚 ===== */
.site-foot{margin-top:clamp(56px,7vw,96px);background:var(--bg-1);border-top:1px solid var(--line);padding-top:52px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:36px;padding-bottom:42px}
.foot-logo{font-size:18px;font-weight:800;letter-spacing:-.01em;margin-bottom:12px}
.foot-brand p{font-size:13.5px;color:var(--tx-2);line-height:1.85;max-width:330px}
.foot-col h4{font-size:14px;font-weight:700;margin-bottom:16px}
.foot-col ul li{margin-bottom:10px;font-size:13.5px;color:var(--tx-2);line-height:1.6}
.foot-col ul li a:hover{color:var(--brand)}
.foot-form{display:flex;gap:8px;margin-bottom:12px}
.foot-form input{
  flex:1;min-width:0;background:var(--bg-0);border:1px solid var(--line);border-radius:12px;
  padding:10px 12px;color:var(--tx-1);font-size:13.5px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.foot-form input::placeholder{color:var(--tx-3)}
.foot-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(180,255,57,.14)}
.form-tip{font-size:12.5px;color:var(--tx-3);line-height:1.75}
.form-tip.is-ok{color:var(--brand)}
.foot-bar{border-top:1px solid var(--line);padding:18px 0}
.foot-bar-inner{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--tx-3)}

/* ===== 桌面收起态 ===== */
@media (min-width:1024px){
  body.nav-collapsed{--side-w:72px}
  body.nav-collapsed .sidebar{padding:20px 10px 18px}
  body.nav-collapsed .side-top{flex-direction:column;gap:10px}
  body.nav-collapsed .brand{flex-direction:column;gap:6px}
  body.nav-collapsed .brand-text{display:none}
  body.nav-collapsed .brand-mini{display:inline}
  body.nav-collapsed .side-collapse{transform:rotate(180deg)}
  body.nav-collapsed .nav-item{justify-content:center;padding:12px 0}
  body.nav-collapsed .nav-item span{display:none}
  body.nav-collapsed .side-card{display:none}
}

/* ===== 响应式 ===== */
@media (max-width:1279px){
  .article-layout{grid-template-columns:minmax(0,1fr) 296px;gap:28px}
  .foot-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
  .foot-col:last-child{grid-column:span 3}
}
@media (max-width:1023px){
  .app-shell{grid-template-columns:minmax(0,1fr)}
  .sidebar{
    position:fixed;left:0;top:0;width:288px;height:100%;
    transform:translateX(-100%);transition:transform .28s var(--ease);z-index:95;
  }
  body.drawer-open .sidebar{transform:none}
  .side-collapse{display:none}
  .mobile-bar{display:flex}
  .main-area{padding-top:56px}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:36px}
  .article-side{position:static;top:auto}
  .crumb{padding-top:20px}
  .reco-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .foot-grid{grid-template-columns:1fr 1fr}
  .foot-brand{grid-column:span 2}
  .foot-col:last-child{grid-column:span 2}
}
@media (max-width:639px){
  .container{padding:0 16px}
  .post-title{-webkit-line-clamp:4}
  .post-body{font-size:16.5px;line-height:1.9}
  .post-cover img{aspect-ratio:16/10}
  .reco-grid{grid-template-columns:minmax(0,1fr)}
  .foot-grid{grid-template-columns:minmax(0,1fr);gap:24px}
  .foot-brand,.foot-col:last-child{grid-column:auto}
  .foot-form{flex-wrap:wrap}
  .foot-form input{flex:1 1 100%}
  .foot-form .btn{width:100%}
  .cta-inner{padding:28px 0}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1}
  .act-hint{margin-left:0;width:100%}
  .comment-form .form-side{width:100%}
  .comment-form .form-side .btn{width:100%}
}

/* roulang page: category2 */
:root{
  --bg-0:#0B0D10;
  --bg-1:#14171C;
  --bg-2:#1C2027;
  --line:rgba(255,255,255,.07);
  --brand:#B4FF39;
  --brand-deep:#5FD34A;
  --accent:#FF5C7A;
  --tag:#7B61FF;
  --tx:#F2F4F7;
  --tx-2:#9AA3AF;
  --tx-3:#6B7280;
  --r-sm:10px;
  --r-card:18px;
  --r-hero:24px;
  --r-pill:999px;
  --sh:0 18px 40px -20px rgba(0,0,0,.75);
  --sh-hover:0 26px 60px -24px rgba(0,0,0,.85);
  --gap:24px;
  --sec:clamp(56px,8vw,108px);
  --side:232px;
  --side-mini:72px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--tx);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",Inter,system-ui,-apple-system,sans-serif;
  font-size:15px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);
  background-size:64px 64px;
}
body.drawer-open{overflow:hidden}
img{max-width:100%;display:block;object-fit:cover}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
ul{list-style:none;margin:0;padding:0}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em}
p{margin:0}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}

/* ---------- 侧边导航 ---------- */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--side);
  background:var(--bg-1);
  border-right:1px solid var(--line);
  display:flex;flex-direction:column;
  padding:20px 14px 18px;
  z-index:70;
  transition:width .25s cubic-bezier(.2,.7,.3,1),transform .28s cubic-bezier(.2,.7,.3,1);
}
.side-head{display:flex;align-items:center;gap:10px;padding:4px 6px 16px}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  color:#0B0D10;display:grid;place-items:center;font-weight:800;font-size:17px;
  box-shadow:0 8px 20px -10px rgba(180,255,57,.6);
}
.brand-text{font-size:15px;font-weight:800;line-height:1.2;white-space:nowrap;overflow:hidden}
.brand-text .b-full{display:block}
.brand-text .b-mini{display:none}
.nav-toggle{
  margin-left:auto;width:32px;height:32px;border-radius:9px;
  border:1px solid var(--line);background:var(--bg-2);color:var(--tx-2);
  cursor:pointer;display:grid;place-items:center;transition:.2s;flex:0 0 32px;
}
.nav-toggle:hover{color:var(--brand);border-color:rgba(180,255,57,.35)}
.side-nav{display:flex;flex-direction:column;gap:4px;margin-top:6px}
.nav-item{
  position:relative;display:flex;align-items:center;gap:12px;
  padding:11px 12px;border-radius:12px;color:var(--tx-2);font-size:14px;
  transition:background .2s,color .2s;
}
.nav-item i{width:20px;text-align:center;font-size:15px;flex:0 0 20px}
.nav-item span{white-space:nowrap;overflow:hidden}
.nav-item:hover{background:var(--bg-2);color:var(--tx)}
.nav-item.is-active{background:var(--bg-2);color:var(--brand)}
.nav-item.is-active::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;
  border-radius:0 3px 3px 0;background:var(--brand);
}
.side-sep{height:1px;background:var(--line);margin:16px 6px}
.side-card{
  margin-top:auto;background:var(--bg-2);border:1px solid var(--line);
  border-radius:var(--r-card);padding:14px;display:flex;flex-direction:column;gap:10px;
}
.side-card strong{font-size:14px;line-height:1.5}
.side-card p{font-size:13px;color:var(--tx-3);line-height:1.6}
body.nav-collapsed .sidebar{width:var(--side-mini)}
body.nav-collapsed .brand-text .b-full{display:none}
body.nav-collapsed .brand-text .b-mini{display:block}
body.nav-collapsed .nav-item span{display:none}
body.nav-collapsed .nav-item{justify-content:center;padding:12px 8px}
body.nav-collapsed .nav-toggle{display:none}
body.nav-collapsed .side-card{display:none}

/* ---------- 顶部栏（移动） ---------- */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:56px;z-index:80;
  background:rgba(20,23,28,.94);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  align-items:center;gap:12px;padding:0 14px;
}
.topbar .tb-btn{
  width:38px;height:38px;border-radius:11px;border:1px solid var(--line);
  background:var(--bg-2);color:var(--tx);display:grid;place-items:center;cursor:pointer;
}
.topbar .tb-title{font-weight:800;font-size:15px;flex:1;text-align:center}
.tb-search{
  display:none;position:fixed;top:56px;left:0;right:0;z-index:79;
  background:var(--bg-1);border-bottom:1px solid var(--line);padding:10px 14px;
}
.tb-search.open{display:block}
.drawer-mask{
  display:none;position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:65;
}
body.drawer-open .drawer-mask{display:block}

/* ---------- 主区域 ---------- */
.main{margin-left:var(--side);transition:margin-left .25s cubic-bezier(.2,.7,.3,1)}
body.nav-collapsed .main{margin-left:var(--side-mini)}
.section{padding:var(--sec) 0}
.section-tight{padding:clamp(36px,5vw,60px) 0}

/* ---------- 面包屑 ---------- */
.crumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13px;color:var(--tx-3);padding:22px 0 0}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:var(--tx-3)}
.crumb .cur{color:var(--tx-2)}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;margin-top:20px;border-radius:var(--r-hero);overflow:hidden;
  border:1px solid var(--line);background:var(--bg-1);
  padding:clamp(28px,5vw,56px);
  min-height:300px;display:flex;flex-direction:column;justify-content:flex-end;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  opacity:.42;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,13,16,.55) 0%,rgba(11,13,16,.88) 62%,rgba(11,13,16,.97) 100%);
}
.hero-inner{position:relative;z-index:2;max-width:760px}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;
  padding:6px 12px;border-radius:var(--r-pill);
  background:rgba(123,97,255,.16);border:1px solid rgba(123,97,255,.5);
  color:#CFC4FF;margin-bottom:16px;
}
h1{
  font-size:clamp(28px,4.2vw,46px);line-height:1.15;font-weight:800;letter-spacing:-.01em;
}
.hero-sub{margin-top:14px;color:var(--tx-2);font-size:15px;max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.hero-facts{display:flex;flex-wrap:wrap;gap:clamp(18px,3vw,42px);margin-top:28px}
.fact-num{font-size:26px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.2}
.fact-lab{font-size:13px;color:var(--tx-2)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);padding:11px 22px;font-size:14px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:.2s cubic-bezier(.2,.7,.3,1);
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  color:#0B0D10;border-color:transparent;
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 0 0 4px rgba(180,255,57,.12)}
.btn-primary:active{transform:translateY(-1px)}
.btn-secondary{background:transparent;border-color:var(--line);color:var(--tx)}
.btn-secondary:hover{background:rgba(180,255,57,.10);border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.btn-ghost{
  padding:8px 4px;background:none;border:none;color:var(--brand);border-radius:6px;
  text-underline-offset:4px;
}
.btn-ghost:hover{text-decoration:underline;text-underline-offset:4px}
.btn-sm{padding:8px 15px;font-size:13px}
.btn-square{border-radius:var(--r-sm);padding:8px 14px;font-size:13px}

/* ---------- 筛选 chip ---------- */
.filter-bar{
  display:flex;gap:10px;overflow-x:auto;padding:6px 2px 2px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.filter-bar::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;padding:8px 16px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:transparent;color:var(--tx-2);
  font-size:13px;cursor:pointer;transition:.2s;white-space:nowrap;
}
.chip:hover{background:var(--bg-1);color:var(--tx)}
.chip.is-on{background:var(--tag);border-color:var(--tag);color:#fff;font-weight:600}

/* ---------- 板块标题 ---------- */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px;flex-wrap:wrap}
h2{
  font-size:clamp(22px,2.6vw,32px);line-height:1.3;font-weight:700;
  padding-left:16px;position:relative;
}
h2::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:2px;background:var(--brand)}
.sec-desc{margin-top:10px;color:var(--tx-2);font-size:14px;max-width:640px;padding-left:16px}
h3{font-size:18px;font-weight:600;line-height:1.45}

/* ---------- 非对称双栏 ---------- */
.split{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:var(--gap);align-items:stretch}
.feature-card{
  position:relative;border:1px solid var(--line);border-radius:var(--r-hero);
  background:var(--bg-2);overflow:hidden;display:flex;flex-direction:column;
  box-shadow:var(--sh);transition:.2s cubic-bezier(.2,.7,.3,1);
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(180,255,57,.35)}
.feature-thumb{position:relative;aspect-ratio:16/10;width:100%;overflow:hidden}
.feature-thumb img{width:100%;height:100%;transition:transform .35s cubic-bezier(.2,.7,.3,1)}
.feature-card:hover .feature-thumb img{transform:scale(1.03)}
.thumb-mask{position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,13,16,.05) 30%,rgba(11,13,16,.85) 100%)}
.badge{
  display:inline-flex;align-items:center;height:22px;padding:0 9px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;line-height:1;
}
.badge-tag{background:rgba(123,97,255,.2);color:#C6BBFF;border:1px solid rgba(123,97,255,.45)}
.badge-hot{background:rgba(255,92,122,.18);color:#FFB1C0;border:1px solid rgba(255,92,122,.45)}
.badge-time{background:rgba(0,0,0,.6);color:#fff}
.badge-abs{position:absolute;top:14px;left:14px;z-index:3}
.badge-abs-r{position:absolute;top:14px;right:14px;z-index:3}
.feature-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.feature-body p{color:var(--tx-2);font-size:14px;line-height:1.75}
.feature-meta{display:flex;align-items:center;gap:14px;color:var(--tx-3);font-size:13px;font-variant-numeric:tabular-nums;margin-top:auto;padding-top:6px}

/* 右侧 2×3 清单卡 */
.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-template-rows:repeat(3,minmax(0,1fr));gap:16px}
.mini-card{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);
  padding:16px;display:flex;flex-direction:column;gap:10px;box-shadow:var(--sh);
  transition:.2s cubic-bezier(.2,.7,.3,1);
}
.mini-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(180,255,57,.35)}
.mini-top{display:flex;align-items:center;gap:10px}
.mini-thumb{width:44px;height:44px;flex:0 0 44px;border-radius:12px;overflow:hidden}
.mini-thumb img{width:100%;height:100%}
.mini-no{font-size:13px;color:var(--brand);font-weight:800;font-variant-numeric:tabular-nums}
.mini-card h3{font-size:15px;font-weight:600;line-height:1.45}
.mini-card p{font-size:13px;color:var(--tx-3);line-height:1.65}
.mini-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;font-size:12px;color:var(--tx-3);font-variant-numeric:tabular-nums}

/* ---------- 阶段要点 ---------- */
.stage-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.stage-card{
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;display:flex;flex-direction:column;gap:12px;transition:.2s;
  position:relative;overflow:hidden;
}
.stage-card::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--brand),transparent)}
.stage-card:hover{background:var(--bg-2);transform:translateY(-3px)}
.stage-lab{font-size:12px;color:var(--tag);font-weight:700;letter-spacing:.04em}
.stage-card ul{display:flex;flex-direction:column;gap:8px}
.stage-card li{font-size:13.5px;color:var(--tx-2);padding-left:16px;position:relative;line-height:1.7}
.stage-card li::before{content:"";position:absolute;left:0;top:.62em;width:6px;height:6px;border-radius:2px;background:var(--brand)}

/* ---------- 步骤条 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.step{
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;display:flex;gap:16px;transition:.2s;
}
.step:hover{background:var(--bg-2);border-color:rgba(180,255,57,.28)}
.step-no{
  font-size:30px;font-weight:800;color:var(--brand);line-height:1;
  font-variant-numeric:tabular-nums;flex:0 0 auto;
}
.step-body h3{margin-bottom:8px}
.step-body p{font-size:13.5px;color:var(--tx-2);line-height:1.75}

/* ---------- FAQ ---------- */
.accordion{border:none;background:transparent;margin:0}
.accordion-item{
  border:1px solid var(--line);background:var(--bg-1);border-radius:14px;
  margin-bottom:12px;overflow:hidden;transition:.2s;
}
.accordion-item:hover{border-color:rgba(255,255,255,.14)}
.accordion-item.is-active{border-color:rgba(180,255,57,.3)}
.accordion-title{
  position:relative;display:block;padding:16px 54px 16px 20px;
  color:var(--tx);font-size:15.5px;font-weight:600;line-height:1.6;
  background:transparent;border:none;
}
.accordion-title::after{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  color:var(--brand);font-size:20px;font-weight:400;transition:transform .25s;
}
.accordion-item.is-active .accordion-title::after{content:"−"}
.accordion-item.is-active .accordion-title::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  border-radius:0 3px 3px 0;background:var(--brand);
}
.accordion-content{
  padding:0 20px 18px;border:none!important;background:transparent!important;
  color:var(--tx-2);font-size:14px;line-height:1.85;
}

/* ---------- CTA 条带 ---------- */
.cta-band{
  background:linear-gradient(135deg,#1A2008,#14171C 62%);
  border:1px solid rgba(180,255,57,.24);border-radius:var(--r-hero);
  padding:clamp(24px,4vw,40px);display:flex;align-items:center;justify-content:space-between;
  gap:24px;flex-wrap:wrap;
}
.cta-band h2{padding-left:0}
.cta-band h2::before{display:none}
.cta-band p{color:var(--tx-2);font-size:14px;margin-top:10px;max-width:560px}

/* ---------- 分页 ---------- */
.pager{display:flex;align-items:center;gap:8px;justify-content:center;margin-top:34px;flex-wrap:wrap}
.pager a,.pager span{
  min-width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--r-sm);font-size:13.5px;color:var(--tx-2);
  background:var(--bg-1);transition:.2s;font-variant-numeric:tabular-nums;padding:0 12px;
}
.pager a:hover{border-color:var(--brand);color:var(--brand);background:rgba(180,255,57,.08)}
.pager .is-cur{background:var(--brand);border-color:var(--brand);color:#0B0D10;font-weight:700}
.pager .is-dis{opacity:.45;cursor:not-allowed}

/* ---------- 页脚 ---------- */
.site-foot{border-top:1px solid var(--line);background:var(--bg-1);margin-top:clamp(48px,7vw,90px)}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px;padding:clamp(38px,5vw,58px) 24px}
.foot-logo{font-size:17px;font-weight:800;color:var(--brand);margin-bottom:14px}
.foot-col p{font-size:13.5px;color:var(--tx-3);line-height:1.85;max-width:320px}
.foot-col h4{font-size:14px;margin-bottom:16px;color:var(--tx)}
.foot-col ul{display:flex;flex-direction:column;gap:10px}
.foot-col li{font-size:13.5px;color:var(--tx-3)}
.foot-col li a{transition:.2s}
.foot-col li a:hover{color:var(--brand)}
.foot-form{display:flex;gap:8px;margin-bottom:12px}
.foot-form input{
  flex:1;min-width:0;background:var(--bg-2);border:1px solid var(--line);
  border-radius:12px;padding:10px 13px;font-size:13.5px;transition:.2s;
}
.foot-form input::placeholder{color:var(--tx-3)}
.foot-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(180,255,57,.12)}
.form-tip{font-size:13px;color:var(--tx-3);line-height:1.7}
.form-tip.err{color:var(--accent)}
.form-tip.ok{color:var(--brand)}
.foot-bar{border-top:1px solid var(--line)}
.foot-bar-inner{
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  padding:18px 24px;font-size:13px;color:var(--tx-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .stage-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:1023px){
  .sidebar{transform:translateX(-100%);width:270px;box-shadow:0 0 60px rgba(0,0,0,.6)}
  body.drawer-open .sidebar{transform:translateX(0)}
  body.nav-collapsed .sidebar{width:270px}
  body.nav-collapsed .nav-item span{display:block}
  body.nav-collapsed .nav-item{justify-content:flex-start;padding:11px 12px}
  body.nav-collapsed .brand-text .b-full{display:block}
  body.nav-collapsed .brand-text .b-mini{display:none}
  body.nav-collapsed .side-card{display:flex}
  .nav-toggle{display:none}
  .topbar{display:flex}
  .main{margin-left:0;padding-top:56px}
  body.nav-collapsed .main{margin-left:0}
  .split{grid-template-columns:1fr}
  .check-grid{grid-template-rows:auto}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .page-hero{min-height:260px;border-radius:20px}
  .check-grid{grid-template-columns:1fr}
  .stage-grid,.steps{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr;gap:26px;padding:34px 16px}
  .foot-bar-inner{padding:16px;font-size:12.5px}
  .cta-band{flex-direction:column;align-items:flex-start}
  .hero-facts{gap:22px}
}
@media (max-width:519px){
  .hero-actions .btn{width:100%}
  .fact-num{font-size:22px}
  .pager a,.pager span{min-width:34px;height:34px;font-size:13px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
}

/* roulang page: category3 */
:root{
  --bg-0:#0B0D10;
  --bg-1:#14171C;
  --bg-2:#1C2027;
  --line:rgba(255,255,255,.07);
  --line-strong:rgba(255,255,255,.14);
  --brand:#B4FF39;
  --brand-dim:#8FD12B;
  --accent:#FF5C7A;
  --tag:#7B61FF;
  --text:#F2F4F7;
  --text-2:#9AA3AF;
  --text-3:#6B7280;
  --r-card:18px;
  --r-hero:24px;
  --r-sm:12px;
  --shadow:0 18px 40px -20px rgba(0,0,0,.75);
  --shadow-hover:0 26px 60px -24px rgba(0,0,0,.85);
  --side-w:232px;
  --side-w-min:72px;
  --top-h:56px;
  --gap-block:clamp(56px,8vw,108px);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.nav-open{overflow:hidden}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700;letter-spacing:-.01em}
p{margin:0}
ul,ol,li{margin:0;padding:0;list-style:none}
a{color:var(--text);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--brand)}
img{max-width:100%;display:block;object-fit:cover}
button,input{font-family:inherit;font-size:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.mono{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ===================== 侧边导航 ===================== */
.side-nav{
  position:fixed;
  top:0;left:0;
  width:var(--side-w);
  height:100vh;
  background:var(--bg-1);
  border-right:1px solid var(--line);
  padding:18px 14px 20px;
  display:flex;
  flex-direction:column;
  gap:6px;
  z-index:60;
  transition:width .24s var(--ease),transform .28s var(--ease);
}
.brand{
  display:flex;align-items:center;gap:10px;
  padding:6px 8px 18px;
  border-bottom:1px solid var(--line);
  margin-bottom:10px;
}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;
  border-radius:11px;
  background:linear-gradient(135deg,var(--brand),#6FE39B);
  color:#0B0D10;
  display:grid;place-items:center;
  font-size:17px;font-weight:800;
  box-shadow:0 0 0 1px rgba(180,255,57,.25);
}
.brand-txt{min-width:0}
.brand-txt strong{display:block;font-size:15px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.brand-txt span{display:block;font-size:11px;color:var(--text-3);letter-spacing:.06em;white-space:nowrap}
.side-nav .nav-item{
  position:relative;
  display:flex;align-items:center;gap:12px;
  padding:11px 12px;
  border-radius:12px;
  color:var(--text-2);
  font-size:14.5px;
  font-weight:500;
  white-space:nowrap;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.side-nav .nav-item i{width:20px;text-align:center;font-size:15px;flex:0 0 20px}
.side-nav .nav-item:hover{background:var(--bg-2);color:var(--text)}
.side-nav .nav-item::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:0;border-radius:0 3px 3px 0;background:var(--brand);
  transition:height .2s var(--ease);
}
.side-nav .nav-item.is-active{background:var(--bg-2);color:var(--brand)}
.side-nav .nav-item.is-active::before{height:22px}
.side-sep{height:1px;background:var(--line);margin:14px 8px}
.side-card{
  margin-top:auto;
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:14px;
  padding:14px;
}
.side-card h4{font-size:13.5px;font-weight:700;margin-bottom:4px}
.side-card p{font-size:12px;color:var(--text-3);line-height:1.7;margin-bottom:10px}
.side-toggle{
  display:flex;align-items:center;justify-content:center;gap:8px;
  width:100%;height:36px;
  border:1px solid var(--line);
  border-radius:10px;
  color:var(--text-3);
  font-size:12.5px;
  transition:.2s var(--ease);
}
.side-toggle:hover{border-color:var(--brand);color:var(--brand);background:rgba(180,255,57,.08)}
body.side-collapsed .side-nav{width:var(--side-w-min);padding-left:10px;padding-right:10px}
body.side-collapsed .brand-txt,
body.side-collapsed .side-nav .nav-item span,
body.side-collapsed .side-card{display:none}
body.side-collapsed .side-nav .nav-item{justify-content:center;padding:12px 0}
body.side-collapsed .brand{justify-content:center;padding-left:0;padding-right:0}

/* ===================== 移动顶部栏与抽屉 ===================== */
.topbar{
  display:none;
  position:fixed;top:0;left:0;right:0;height:var(--top-h);
  background:rgba(11,13,16,.94);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(8px);
  align-items:center;justify-content:space-between;
  padding:0 14px;z-index:70;
}
.topbar-btn{
  width:38px;height:38px;border-radius:10px;
  display:grid;place-items:center;color:var(--text-2);font-size:16px;
  transition:.2s var(--ease);
}
.topbar-btn:hover{background:var(--bg-2);color:var(--brand)}
.topbar-brand{display:flex;align-items:center;gap:8px;font-size:14.5px;font-weight:800}
.topbar-brand .brand-mark{width:28px;height:28px;flex:0 0 28px;border-radius:9px;font-size:13px}
.nav-mask{
  display:none;position:fixed;inset:0;background:rgba(0,0,0,.62);
  z-index:55;opacity:0;transition:opacity .25s var(--ease);
}
body.nav-open .nav-mask{display:block;opacity:1}

/* ===================== 主区域 ===================== */
.page-main{
  margin-left:var(--side-w);
  min-height:100vh;
  transition:margin-left .24s var(--ease);
}
body.side-collapsed .page-main{margin-left:var(--side-w-min)}
.content-wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}

/* ===================== 页头 ===================== */
.page-hero{
  position:relative;
  border-bottom:1px solid var(--line);
  padding:clamp(48px,7vw,86px) 0 clamp(34px,5vw,54px);
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  opacity:.42;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,13,16,.72),rgba(11,13,16,.94) 65%,var(--bg-0));
}
.page-hero .content-wrap{position:relative;z-index:2}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:18px}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--brand)}
.crumb i{font-size:10px;color:var(--text-3)}
.hero-tagline{
  display:inline-flex;align-items:center;gap:8px;
  height:28px;padding:0 12px;border-radius:999px;
  background:rgba(123,97,255,.16);
  color:#BFAEFF;font-size:12px;font-weight:600;
  border:1px solid rgba(123,97,255,.35);
  margin-bottom:16px;
}
.page-hero h1{
  font-size:clamp(28px,4.2vw,46px);
  line-height:1.15;font-weight:800;letter-spacing:-.01em;
  max-width:820px;
}
.page-hero .hero-sub{
  margin-top:16px;font-size:clamp(15px,1.4vw,17.5px);
  color:var(--text-2);max-width:700px;
}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:16px;margin-top:32px;max-width:640px;
}
.stat{
  background:var(--bg-1);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:16px 18px;
  box-shadow:var(--shadow);
}
.stat b{display:block;font-size:clamp(20px,2.4vw,28px);font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.3}
.stat span{display:block;font-size:12.5px;color:var(--text-3);margin-top:2px}

/* ===================== 通用板块 ===================== */
.section{padding:clamp(40px,5.2vw,76px) 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px;flex-wrap:wrap}
.sec-title{position:relative;padding-left:16px;font-size:clamp(22px,2.6vw,32px);line-height:1.25;font-weight:700}
.sec-title::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:3px;background:var(--brand)}
.sec-desc{margin-top:10px;color:var(--text-2);font-size:15px;max-width:720px}
.link-more{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;color:var(--brand);font-weight:600;
  border-bottom:1px solid transparent;
}
.link-more:hover{color:var(--brand);border-bottom-color:var(--brand)}
.panel{
  background:var(--bg-1);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow);
}

/* ===================== 筛选条 ===================== */
.filter-bar{
  display:flex;align-items:center;gap:10px;
  overflow-x:auto;padding:4px 0 14px;
  scrollbar-width:none;
}
.filter-bar::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;
  height:34px;padding:0 16px;
  display:inline-flex;align-items:center;gap:7px;
  border:1px solid var(--line-strong);
  border-radius:999px;
  font-size:13.5px;color:var(--text-2);
  background:transparent;
  transition:.2s var(--ease);
}
.chip:hover{background:var(--bg-1);color:var(--text)}
.chip.is-active{background:var(--tag);border-color:var(--tag);color:#fff;font-weight:600}
.filter-note{margin-left:auto;font-size:12.5px;color:var(--text-3);white-space:nowrap}

/* ===================== 榜单列表 ===================== */
.rank-panel{overflow:hidden}
.rank-head{
  display:grid;grid-template-columns:56px 64px minmax(0,1fr) 130px 148px;
  gap:16px;padding:14px 20px;
  font-size:12px;color:var(--text-3);
  letter-spacing:.06em;
  border-bottom:1px solid var(--line);
  background:var(--bg-1);
}
.rank-list{background:var(--bg-1);border-radius:0 0 var(--r-card) var(--r-card)}
.rank-row{
  display:grid;grid-template-columns:56px 64px minmax(0,1fr) 130px 148px;
  gap:16px;align-items:center;
  padding:16px 20px;
  border-bottom:1px solid var(--line);
  transition:background .2s var(--ease);
}
.rank-row:last-child{border-bottom:0}
.rank-row:hover{background:var(--bg-2)}
.rank-num{
  font-size:32px;font-weight:800;color:var(--brand);
  font-variant-numeric:tabular-nums;line-height:1;
  letter-spacing:-.02em;
}
.rank-num.top{color:var(--brand);text-shadow:0 0 18px rgba(180,255,57,.28)}
.rank-thumb{
  width:64px;height:64px;border-radius:14px;
  border:1px solid var(--line);
}
.rank-body{min-width:0}
.rank-body h3{font-size:16.5px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rank-body p{font-size:13px;color:var(--text-3);margin-top:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rank-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:9px}
.tag{
  display:inline-flex;align-items:center;
  height:22px;padding:0 9px;border-radius:999px;
  font-size:12px;font-weight:600;
  background:rgba(123,97,255,.16);color:#BFAEFF;
}
.tag-pink{background:rgba(255,92,122,.16);color:#FF9AAE}
.tag-dim{background:rgba(255,255,255,.06);color:var(--text-2)}
.delta{
  display:inline-flex;align-items:center;gap:4px;
  font-size:12.5px;font-weight:700;font-variant-numeric:tabular-nums;
}
.delta.up{color:var(--brand)}
.delta.down{color:var(--accent)}
.delta.flat{color:var(--text-3)}
.rank-heat{text-align:right;font-size:13px;color:var(--text-2);font-variant-numeric:tabular-nums}
.rank-heat b{display:block;font-size:17px;color:var(--text);font-weight:700}
.rank-act{display:flex;justify-content:flex-end;gap:8px}
.btn-row{
  height:34px;padding:0 16px;
  display:inline-flex;align-items:center;gap:6px;
  border:1px solid var(--line-strong);border-radius:10px;
  font-size:13px;color:var(--text-2);
  transition:.2s var(--ease);white-space:nowrap;
}
.btn-row:hover{border-color:var(--brand);color:var(--brand);background:rgba(180,255,57,.10)}
.btn-row.ghost{border-color:transparent}
.btn-row.ghost:hover{background:transparent;color:var(--brand)}

/* ===================== 分页 ===================== */
.pager{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:28px;flex-wrap:wrap}
.pager a,.pager span{
  min-width:40px;height:40px;padding:0 12px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line-strong);border-radius:10px;
  font-size:14px;color:var(--text-2);
  font-variant-numeric:tabular-nums;
  transition:.2s var(--ease);
}
.pager a:hover{border-color:var(--brand);color:var(--brand);background:rgba(180,255,57,.08)}
.pager .is-current{background:var(--brand);border-color:var(--brand);color:#0B0D10;font-weight:700}
.pager .is-disabled{opacity:.4;pointer-events:none}

/* ===================== 维度卡 ===================== */
.dim-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.dim-card{
  background:var(--bg-1);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:22px;
  box-shadow:var(--shadow);
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.dim-card:hover{transform:translateY(-4px);border-color:rgba(180,255,57,.35);box-shadow:var(--shadow-hover)}
.dim-icon{
  width:44px;height:44px;border-radius:13px;
  display:grid;place-items:center;
  background:rgba(180,255,57,.12);color:var(--brand);font-size:18px;
  margin-bottom:14px;
}
.dim-card h3{font-size:18px;margin-bottom:8px}
.dim-card p{font-size:14px;color:var(--text-2);line-height:1.8}
.dim-card .kv{margin-top:14px;font-size:12.5px;color:var(--text-3);font-variant-numeric:tabular-nums}

/* ===================== 上升最快 ===================== */
.rise-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.rise-card{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:18px;
  transition:transform .2s var(--ease),border-color .2s var(--ease);
}
.rise-card:hover{transform:translateY(-4px);border-color:rgba(180,255,57,.35)}
.rise-card img{width:56px;height:56px;border-radius:12px;flex:0 0 56px}
.rise-card h3{font-size:15.5px;margin-bottom:6px}
.rise-card p{font-size:13px;color:var(--text-3);line-height:1.7}
.rise-card .delta{margin-top:8px;font-size:13px}

/* ===================== FAQ ===================== */
.faq-wrap{max-width:900px}
.accordion{border:0;background:transparent;margin:0}
.accordion .accordion-item{
  background:var(--bg-1);
  border:1px solid var(--line);
  border-radius:14px;
  margin-bottom:12px;
  overflow:hidden;
}
.accordion .accordion-title{
  display:block;
  padding:18px 54px 18px 20px;
  font-size:16px;font-weight:600;color:var(--text);
  background:transparent;border:0;
  border-left:3px solid transparent;
  position:relative;
  transition:.2s var(--ease);
}
.accordion .accordion-title::before{display:none}
.accordion .accordion-title::after{
  content:"\f067";
  font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:20px;top:50%;transform:translateY(-50%);
  font-size:13px;color:var(--text-3);
  transition:transform .24s var(--ease),color .2s var(--ease);
}
.accordion .accordion-title:hover{background:var(--bg-2);color:var(--brand)}
.accordion .is-active>.accordion-title{border-left-color:var(--brand);color:var(--brand)}
.accordion .is-active>.accordion-title::after{content:"\f068";color:var(--brand);transform:translateY(-50%) rotate(180deg)}
.accordion .accordion-content{
  background:transparent;border:0;color:var(--text-2);
  padding:0 20px 20px;font-size:14.5px;line-height:1.9;
}

/* ===================== CTA 条带 ===================== */
.cta-band{
  background:var(--brand);
  border-radius:var(--r-hero);
  padding:clamp(26px,3.4vw,40px);
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  flex-wrap:wrap;
}
.cta-band h2{color:#0B0D10;font-size:clamp(20px,2.4vw,28px);line-height:1.3}
.cta-band p{color:rgba(11,13,16,.72);font-size:14.5px;margin-top:6px;max-width:560px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:999px;
  font-size:14.5px;font-weight:700;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,#B4FF39,#8FE05A);
  color:#0B0D10;
  box-shadow:0 10px 26px -12px rgba(180,255,57,.7);
}
.btn-primary:hover{color:#0B0D10;filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 0 0 4px rgba(180,255,57,.12),0 14px 30px -12px rgba(180,255,57,.7)}
.btn-primary:active{transform:translateY(0)}
.btn-dark{background:#0B0D10;color:var(--brand)}
.btn-dark:hover{color:var(--brand);transform:translateY(-2px);box-shadow:0 0 0 4px rgba(11,13,16,.14)}
.btn-secondary{background:transparent;color:var(--text);border:1px solid var(--line-strong)}
.btn-secondary:hover{color:var(--brand);border-color:var(--brand);background:rgba(180,255,57,.10);transform:translateY(-2px)}
.btn-sm{height:38px;padding:0 18px;font-size:13.5px}

/* ===================== 页脚 ===================== */
.site-foot{margin-top:var(--gap-block);border-top:1px solid var(--line);background:var(--bg-1)}
.foot-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:32px;padding:clamp(36px,5vw,64px) 0 40px;
}
.foot-col h4{font-size:14px;color:var(--text);margin-bottom:14px;letter-spacing:.02em}
.foot-col ul li{margin-bottom:9px;font-size:13.5px;color:var(--text-3)}
.foot-col ul li a{color:var(--text-2)}
.foot-col ul li a:hover{color:var(--brand)}
.foot-logo{font-size:18px;font-weight:800;margin-bottom:12px}
.foot-brand p{font-size:13.5px;color:var(--text-3);line-height:1.85;max-width:340px}
.foot-form{display:flex;gap:8px;margin-bottom:10px}
.foot-form input{
  flex:1;min-width:0;height:38px;padding:0 12px;
  background:var(--bg-0);border:1px solid var(--line);border-radius:10px;
  color:var(--text);font-size:13.5px;
}
.foot-form input::placeholder{color:var(--text-3)}
.foot-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(180,255,57,.14)}
.form-tip{font-size:12.5px;color:var(--text-3)}
.form-tip.err{color:var(--accent)}
.form-tip.ok{color:var(--brand)}
.foot-bar{border-top:1px solid var(--line)}
.foot-bar-inner{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:16px 0;font-size:13px;color:var(--text-3);flex-wrap:wrap;
}

/* ===================== 响应式 ===================== */
@media (max-width:1279px){
  body.side-collapsed .page-main{margin-left:var(--side-w-min)}
}
@media (max-width:1023px){
  .topbar{display:flex}
  .side-nav{
    transform:translateX(-100%);
    width:272px;
    box-shadow:0 0 60px rgba(0,0,0,.6);
    padding-top:20px;
  }
  body.nav-open .side-nav{transform:translateX(0)}
  body.side-collapsed .side-nav{width:272px;padding-left:14px;padding-right:14px}
  body.side-collapsed .brand-txt,
  body.side-collapsed .side-nav .nav-item span,
  body.side-collapsed .side-card{display:block}
  body.side-collapsed .side-nav .nav-item{justify-content:flex-start;padding:11px 12px}
  body.side-collapsed .brand{justify-content:flex-start;padding-left:8px}
  .side-toggle{display:none}
  .page-main,body.side-collapsed .page-main{margin-left:0;padding-top:var(--top-h)}
  .container,.content-wrap{padding:0 18px}
  .rank-head{display:none}
  .rank-row{grid-template-columns:48px 60px minmax(0,1fr);row-gap:12px;padding:16px}
  .rank-thumb{width:60px;height:60px}
  .rank-heat{grid-column:2 / -1;text-align:left;display:flex;align-items:baseline;gap:8px}
  .rank-heat b{display:inline;font-size:15px}
  .rank-act{grid-column:2 / -1;justify-content:flex-start}
  .dim-grid,.rise-grid{grid-template-columns:1fr;gap:16px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:26px}
}
@media (max-width:639px){
  .hero-stats{grid-template-columns:1fr;gap:12px;max-width:100%}
  .stat{display:flex;align-items:baseline;gap:10px;padding:14px 16px}
  .stat b{font-size:22px}
  .stat span{margin-top:0}
  .rank-row{grid-template-columns:40px 52px minmax(0,1fr);gap:12px}
  .rank-thumb{width:52px;height:52px;border-radius:12px}
  .rank-num{font-size:26px}
  .rank-body h3{font-size:15px}
  .rank-body p{display:none}
  .foot-grid{grid-template-columns:1fr}
  .foot-bar-inner{flex-direction:column;align-items:flex-start;gap:6px}
  .cta-band{border-radius:18px}
  .cta-band .btn{width:100%}
  .filter-note{display:none}
}

/* roulang page: category4 */
:root{
  --bg-0:#0B0D10;
  --bg-1:#14171C;
  --bg-2:#1C2027;
  --line:rgba(255,255,255,.07);
  --brand:#B4FF39;
  --brand-deep:#7CE800;
  --accent:#FF5C7A;
  --tag:#7B61FF;
  --tx:#F2F4F7;
  --tx-2:#9AA3AF;
  --tx-3:#6B7280;
  --r-card:18px;
  --r-lg:24px;
  --r-sm:10px;
  --r-pill:999px;
  --sh:0 18px 40px -20px rgba(0,0,0,.75);
  --sh-hover:0 26px 60px -24px rgba(0,0,0,.9);
  --ease:cubic-bezier(.2,.7,.3,1);
  --side:232px;
}
body.is-mini{--side:72px}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--tx);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",Inter,system-ui,-apple-system,"Segoe UI",Helvetica,Arial,sans-serif;
  font-size:15px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body.nav-open{overflow:hidden}
img{max-width:100%;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease),opacity .2s var(--ease)}
a:hover,a:focus{color:var(--brand)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5,h6{margin:0;font-weight:700;color:var(--tx);line-height:1.25;letter-spacing:-.01em}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
::selection{background:rgba(180,255,57,.24)}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}

/* ===== 侧栏 ===== */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--side);
  background:var(--bg-1);
  border-right:1px solid var(--line);
  display:flex;flex-direction:column;
  padding:18px 14px 16px;
  z-index:60;
  transition:width .28s var(--ease),transform .28s var(--ease);
}
.side-top{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:20px}
.brand{display:flex;align-items:center;gap:10px;min-width:0;color:var(--tx)}
.brand:hover{color:var(--tx)}
.brand-mark{
  flex:0 0 auto;width:34px;height:34px;border-radius:11px;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  color:#0B0D10;font-weight:800;font-size:16px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 0 0 4px rgba(180,255,57,.08);
}
.brand-name{font-size:15px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;letter-spacing:-.01em}
.brand-short{display:none;font-size:14px;font-weight:700}
.side-toggle{
  flex:0 0 auto;width:28px;height:28px;border-radius:9px;
  background:var(--bg-2);border:1px solid var(--line);color:var(--tx-2);
  display:flex;align-items:center;justify-content:center;cursor:pointer;
  font-size:12px;transition:all .2s var(--ease);
}
.side-toggle:hover{color:var(--brand);border-color:rgba(180,255,57,.35)}
body.is-mini .side-toggle i{transform:rotate(180deg)}

.side-nav{display:flex;flex-direction:column;gap:4px;flex:1 1 auto;overflow-y:auto;margin-bottom:14px}
.nav-item{
  position:relative;display:flex;align-items:center;gap:11px;
  padding:10px 12px;border-radius:12px;
  color:var(--tx-2);font-size:14px;font-weight:500;
  transition:all .2s var(--ease);
}
.nav-item i{font-size:15px;width:20px;text-align:center;flex:0 0 20px}
.nav-item span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.nav-item:hover{background:var(--bg-2);color:var(--tx)}
.nav-item.is-active{background:var(--bg-2);color:var(--brand);font-weight:600}
.nav-item.is-active::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:20px;border-radius:0 3px 3px 0;background:var(--brand);
}
body.is-mini .sidebar{padding-left:10px;padding-right:10px}
body.is-mini .brand-name{display:none}
body.is-mini .brand-short{display:inline}
body.is-mini .nav-item{justify-content:center;padding:11px 8px;gap:0}
body.is-mini .nav-item span{display:none}
body.is-mini .side-card{display:none}
body.is-mini .side-toggle{position:absolute;right:-13px;top:26px;background:var(--bg-2);border-color:var(--line)}

.side-card{
  background:var(--bg-2);border:1px solid var(--line);border-radius:16px;
  padding:14px;box-shadow:var(--sh);
}
.side-card-title{font-size:13px;font-weight:700;margin-bottom:4px;color:var(--tx)}
.side-card-desc{font-size:12px;color:var(--tx-2);line-height:1.7;margin-bottom:10px}

/* ===== 顶栏（移动） ===== */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:56px;z-index:55;
  background:rgba(20,23,28,.94);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  align-items:center;justify-content:space-between;padding:0 12px;
}
.topbar-brand{font-size:15px;font-weight:700;color:var(--tx);letter-spacing:-.01em}
.icon-btn{
  width:38px;height:38px;border-radius:11px;border:1px solid transparent;
  background:transparent;color:var(--tx-2);font-size:16px;cursor:pointer;
  display:flex;align-items:center;justify-content:center;transition:all .2s var(--ease);
}
.icon-btn:hover{background:var(--bg-2);color:var(--brand)}
.scrim{
  position:fixed;inset:0;background:rgba(4,6,9,.68);z-index:58;
  opacity:0;visibility:hidden;transition:opacity .25s var(--ease),visibility .25s;
}
body.nav-open .scrim{opacity:1;visibility:visible}

/* ===== 主区 ===== */
.main-area{margin-left:var(--side);min-height:100vh;transition:margin-left .28s var(--ease)}
.section{padding:clamp(56px,8vw,108px) 0}
.section + .section{padding-top:0}

.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap}
.sec-title{
  position:relative;padding-left:16px;font-size:clamp(22px,2.6vw,32px);font-weight:700;
}
.sec-title::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:3px;
  background:var(--brand);
}
.sec-sub{font-size:13px;color:var(--tx-2);margin-top:8px;padding-left:16px}

/* ===== 页头 ===== */
.page-hero{
  position:relative;overflow:hidden;
  background-image:linear-gradient(180deg,rgba(11,13,16,.86),rgba(11,13,16,.96)),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
  padding:clamp(44px,7vw,84px) 0 clamp(36px,5vw,60px);
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.35;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:64px 64px;
}
.page-hero .container{position:relative;z-index:2;max-width:980px}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--tx-3);margin-bottom:18px;flex-wrap:wrap}
.crumb a{color:var(--tx-2)}
.crumb a:hover{color:var(--brand)}
.crumb i{font-size:10px;color:var(--tx-3)}
.crumb .current{color:var(--tx)}
.page-hero h1{
  font-size:clamp(28px,4.2vw,46px);line-height:1.15;font-weight:800;
  letter-spacing:-.01em;margin:14px 0 14px;
}
.hero-sub{font-size:16px;color:var(--tx-2);max-width:620px;line-height:1.8}
.hero-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:32px;max-width:620px}
.stat{background:var(--bg-1);border:1px solid var(--line);border-radius:14px;padding:14px 16px}
.stat-num{display:block;font-size:24px;font-weight:800;color:var(--brand);line-height:1.2;font-variant-numeric:tabular-nums}
.stat-label{display:block;font-size:12px;color:var(--tx-2);margin-top:4px}

/* ===== 徽章 / 按钮 ===== */
.badge{
  display:inline-flex;align-items:center;gap:5px;height:22px;padding:0 9px;
  border-radius:var(--r-pill);font-size:12px;line-height:1;font-weight:600;white-space:nowrap;
}
.badge-tag{background:rgba(123,97,255,.16);color:#A99BFF;border:1px solid rgba(123,97,255,.3)}
.badge-hot{background:rgba(255,92,122,.14);color:var(--accent);border:1px solid rgba(255,92,122,.28)}
.badge-soft{background:rgba(255,255,255,.05);color:var(--tx-2);border:1px solid var(--line)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:all .2s var(--ease);white-space:nowrap;text-align:center;
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  color:#0B0D10;box-shadow:0 12px 28px -14px rgba(180,255,57,.6);
}
.btn-primary:hover{
  color:#0B0D10;filter:brightness(1.08);transform:translateY(-2px);
  box-shadow:0 0 0 4px rgba(180,255,57,.12),0 18px 34px -16px rgba(180,255,57,.55);
}
.btn-primary:active{transform:translateY(1px)}
.btn-secondary{
  background:transparent;color:var(--tx);border-color:rgba(255,255,255,.16);
}
.btn-secondary:hover{background:rgba(180,255,57,.1);border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.btn-secondary:active{transform:translateY(1px)}
.btn-sm{height:34px;padding:0 16px;font-size:13px}
.btn-block{width:100%}

.link-ghost{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:600;color:var(--tx-2);text-decoration:none;
}
.link-ghost i{font-size:11px;transition:transform .2s var(--ease)}
.link-ghost:hover{color:var(--brand);text-decoration:underline;text-underline-offset:4px}
.link-ghost:hover i{transform:translateX(3px)}

/* ===== 筛选条 ===== */
.filter-bar{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 0 0;flex-wrap:wrap;
}
.chips{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;padding-bottom:2px}
.chips::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;height:34px;padding:0 16px;border-radius:var(--r-pill);
  background:transparent;border:1px solid var(--line);color:var(--tx-2);
  font-size:13px;font-weight:500;cursor:pointer;transition:all .2s var(--ease);
  display:inline-flex;align-items:center;gap:6px;
}
.chip:hover{background:var(--bg-1);color:var(--tx)}
.chip.is-active{background:var(--tag);border-color:var(--tag);color:#fff;font-weight:600}
.sort-links{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--tx-3)}
.sort-links button{background:none;border:0;color:var(--tx-3);font-size:13px;cursor:pointer;padding:0;transition:color .2s var(--ease)}
.sort-links button:hover{color:var(--tx)}
.sort-links button.is-active{color:var(--brand);font-weight:600}

/* ===== 时间线 ===== */
.timeline{position:relative;margin-top:36px}
.timeline::before{
  content:"";position:absolute;left:96px;top:10px;bottom:10px;width:2px;transform:translateX(-1px);
  background:linear-gradient(180deg,rgba(180,255,57,.55),rgba(180,255,57,.14) 60%,rgba(180,255,57,.02));
}
.tl-item{
  position:relative;display:grid;grid-template-columns:96px minmax(0,1fr);
  column-gap:28px;padding-bottom:18px;
}
.tl-mark{position:relative;text-align:right;padding-right:24px;padding-top:20px}
.tl-dot{
  position:absolute;right:-8px;top:26px;width:14px;height:14px;border-radius:50%;
  background:var(--bg-0);border:2px solid var(--brand);
  box-shadow:0 0 0 5px rgba(180,255,57,.09);
}
.tl-meta{font-size:12px;color:var(--tx-3);display:block;line-height:1.6;font-variant-numeric:tabular-nums}
.tl-card{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--sh);transition:all .2s var(--ease);
}
.tl-card:hover{transform:translateY(-4px);border-color:rgba(180,255,57,.35);box-shadow:var(--sh-hover)}
.tl-tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:10px}
.tl-title{font-size:19px;font-weight:600;margin-bottom:8px}
.tl-desc{font-size:14px;color:var(--tx-2);line-height:1.85;margin-bottom:14px}
.tl-foot{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding-top:14px;border-top:1px solid var(--line);flex-wrap:wrap;
}
.tl-time{font-size:13px;color:var(--tx-3);display:inline-flex;align-items:center;gap:7px;font-variant-numeric:tabular-nums}
.tl-time i{color:var(--brand);font-size:12px}

/* ===== 领取须知 ===== */
.guide-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.guide-card{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh);transition:all .2s var(--ease);
}
.guide-card:hover{transform:translateY(-4px);border-color:rgba(180,255,57,.35);box-shadow:var(--sh-hover)}
.guide-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.g-body{padding:18px}
.g-body h3{font-size:17px;font-weight:600;margin:10px 0 8px}
.g-body p{font-size:13.5px;color:var(--tx-2);line-height:1.8}

/* ===== 口碑 ===== */
.voice-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.voice-card{
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--sh);transition:all .2s var(--ease);
}
.voice-card:hover{background:var(--bg-2);transform:translateY(-4px);border-color:rgba(180,255,57,.35)}
.voice-top{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.avatar{
  width:32px;height:32px;border-radius:50%;flex:0 0 32px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(123,97,255,.18);color:#A99BFF;font-size:13px;font-weight:700;
}
.voice-name{font-size:14px;font-weight:600}
.voice-stars{color:var(--brand);font-size:12px;letter-spacing:2px;margin-top:2px}
.voice-text{font-size:14px;color:var(--tx-2);line-height:1.8}
.voice-time{display:block;font-size:12px;color:var(--tx-3);margin-top:12px;font-variant-numeric:tabular-nums}

/* ===== FAQ ===== */
.faq-wrap{max-width:880px}
.accordion{display:block}
.accordion-item{
  position:relative;background:var(--bg-1);border:1px solid var(--line);
  border-radius:14px;margin-bottom:12px;overflow:hidden;
  transition:all .2s var(--ease);
}
.accordion-item:hover{border-color:rgba(255,255,255,.14)}
.accordion-item.is-active{border-color:rgba(180,255,57,.35);background:var(--bg-2)}
.accordion-item.is-active::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;background:var(--brand);
}
.accordion-title{
  width:100%;display:block;text-align:left;background:transparent;border:0;
  color:var(--tx);font-size:16px;font-weight:600;line-height:1.6;
  padding:16px 54px 16px 20px;position:relative;cursor:pointer;
}
.accordion-title::after{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  color:var(--brand);font-size:20px;font-weight:400;line-height:1;
  transition:transform .25s var(--ease);
}
.accordion-item.is-active .accordion-title::after{content:"−"}
.accordion-content{
  padding:0 20px 18px;font-size:14px;color:var(--tx-2);line-height:1.9;
  border:0;background:transparent;
}
.accordion-content[hidden]{display:none}

/* ===== CTA 条带 ===== */
.cta-band{
  background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:clamp(36px,5vw,56px) 0;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.cta-text h2{font-size:clamp(20px,2.4vw,28px);font-weight:700;margin-bottom:8px}
.cta-text p{font-size:14px;color:var(--tx-2);max-width:560px}

/* ===== 分页 ===== */
.pager{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:36px;flex-wrap:wrap}
.pager a,.pager span{
  min-width:38px;height:38px;padding:0 12px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:transparent;color:var(--tx-2);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:600;font-variant-numeric:tabular-nums;
  transition:all .2s var(--ease);
}
.pager a:hover{border-color:var(--brand);color:var(--brand);background:rgba(180,255,57,.08)}
.pager .is-current{background:var(--brand);border-color:var(--brand);color:#0B0D10}
.pager .is-disabled{opacity:.4;pointer-events:none}

/* ===== 页脚 ===== */
.site-foot{margin-top:clamp(56px,8vw,96px);background:var(--bg-1);border-top:1px solid var(--line);padding-top:clamp(40px,5vw,64px)}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:40px}
.foot-logo{font-size:16px;font-weight:800;color:var(--tx);margin-bottom:12px;letter-spacing:-.01em}
.foot-brand p{font-size:13px;color:var(--tx-2);line-height:1.9;max-width:320px}
.foot-col h4{font-size:13px;font-weight:700;color:var(--tx);margin-bottom:14px;letter-spacing:.02em}
.foot-col ul{display:flex;flex-direction:column;gap:9px}
.foot-col ul li{font-size:13px;color:var(--tx-2);line-height:1.7}
.foot-col ul li a{color:var(--tx-2);font-size:13px}
.foot-col ul li a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.foot-form{display:flex;gap:8px;margin-bottom:10px}
.foot-form input{
  flex:1 1 auto;min-width:0;height:40px;padding:0 14px;border-radius:12px;
  background:var(--bg-0);border:1px solid var(--line);color:var(--tx);font-size:13px;
  transition:all .2s var(--ease);
}
.foot-form input::placeholder{color:var(--tx-3)}
.foot-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(180,255,57,.12)}
.form-tip{font-size:12px;color:var(--tx-3);line-height:1.8}
.form-tip.is-error{color:var(--accent)}
.form-tip.is-ok{color:var(--brand)}
.foot-bar{border-top:1px solid var(--line);padding:18px 0;background:var(--bg-0)}
.foot-bar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--tx-3)}

/* ===== 响应式 ===== */
@media (max-width:1279px){
  .container{padding:0 22px}
}
@media (max-width:1023px){
  .sidebar{transform:translateX(-100%);width:280px;z-index:62;padding:18px 16px}
  body.nav-open .sidebar{transform:translateX(0)}
  body.is-mini .sidebar{width:280px;padding:18px 16px}
  body.is-mini .brand-name{display:inline}
  body.is-mini .brand-short{display:none}
  body.is-mini .nav-item{justify-content:flex-start;padding:10px 12px;gap:11px}
  body.is-mini .nav-item span{display:inline}
  body.is-mini .side-card{display:block}
  body.is-mini .side-toggle{position:static}
  .topbar{display:flex}
  .main-area{margin-left:0;padding-top:56px}
  .guide-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .voice-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .foot-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
}
@media (max-width:767px){
  body{font-size:14.5px}
  .container{padding:0 16px}
  .hero-stats{grid-template-columns:1fr;gap:10px;max-width:100%}
  .stat{display:flex;align-items:baseline;gap:10px;padding:12px 14px}
  .stat-num{font-size:20px}
  .guide-grid{grid-template-columns:1fr}
  .voice-grid{grid-template-columns:1fr}
  .timeline::before{left:20px}
  .tl-item{grid-template-columns:20px minmax(0,1fr);column-gap:22px}
  .tl-mark{text-align:left;padding-right:0;padding-top:22px}
  .tl-dot{right:auto;left:-7px;top:28px}
  .tl-meta{position:absolute;left:26px;top:26px;white-space:nowrap}
  .tl-mark{min-height:0}
  .tl-card{padding:16px}
  .tl-title{font-size:17px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-inner .btn{width:100%}
  .foot-grid{grid-template-columns:1fr;gap:26px}
  .foot-bar-inner{justify-content:flex-start;gap:8px}
  .foot-form{flex-wrap:wrap}
  .foot-form .btn{width:100%}
  .pager a:not(.pager-prev):not(.pager-next):not(.is-current){display:none}
}
@media (max-width:520px){
  .sec-head{margin-bottom:20px}
  .page-hero h1{font-size:26px}
  .hero-sub{font-size:14.5px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important}
  html{scroll-behavior:auto}
}