/* roulang page: index */
:root{
  --ink-900:#08090B;
  --ink-800:#101215;
  --ink-700:#14171B;
  --panel:#0E1013;
  --line:rgba(255,255,255,.08);
  --line-soft:rgba(255,255,255,.07);
  --paper:#F2F0EB;
  --muted:#9BA1A9;
  --faint:#6B7178;
  --lime-500:#CDF250;
  --lime-600:#B4DC33;
  --violet-500:#7A5CFF;
  --coral:#FF7A59;
  --cyan:#4CC9F0;
  --ok:#4CC9A0;
  --err:#FF6B5A;
  --r-card:14px;
  --r-img:12px;
  --r-tag:6px;
  --r-pill:999px;
  --r-input:10px;
  --shadow-card:0 24px 60px rgba(0,0,0,.55);
  --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(--ink-900);color:var(--paper);
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;background:var(--ink-700)}
a{color:var(--paper);text-decoration:none;transition:color .15s var(--ease)}
a:hover{color:var(--lime-500)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.2}
p{margin:0}
:focus-visible{outline:2px solid var(--lime-500);outline-offset:2px;border-radius:4px}
.container{max-width:1280px;padding-left:24px;padding-right:24px;margin:0 auto}
@media (min-width:1200px){.container{max-width:1280px}}
svg{flex:none}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:1030;height:72px;display:flex;align-items:center;
  background:rgba(8,9,11,.55);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;transition:height .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease)}
.site-header.is-stuck{height:60px;background:rgba(8,9,11,.72);border-bottom-color:var(--line)}
.nav-wrap{display:flex;align-items:center;gap:28px;width:100%}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:800;letter-spacing:-.02em;white-space:nowrap}
.brand:hover{color:var(--paper)}
.brand-dot{width:10px;height:10px;border-radius:3px;background:var(--lime-500);box-shadow:0 0 0 4px rgba(205,242,80,.14)}
.nav-main{display:flex;align-items:center;gap:2px;flex:1}
.nav-item{position:relative}
.nav-link{display:inline-flex;align-items:center;gap:6px;padding:9px 14px;border-radius:8px;
  font-size:15px;color:var(--muted);transition:color .15s var(--ease),background .15s var(--ease)}
.nav-link:hover{color:var(--paper);background:var(--ink-700)}
.nav-link.active{color:var(--lime-500);position:relative}
.nav-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;background:var(--lime-500);border-radius:2px}
.nav-right{display:flex;align-items:center;gap:10px;margin-left:auto}
.icon-btn{width:40px;height:40px;border-radius:999px;border:1px solid var(--line);display:inline-flex;
  align-items:center;justify-content:center;color:var(--muted);transition:.15s var(--ease)}
.icon-btn:hover{color:var(--lime-500);border-color:rgba(205,242,80,.45);background:rgba(205,242,80,.06)}
.nav-toggle{display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  align-items:center;justify-content:center;color:var(--paper)}

/* mega */
.mega-panel{position:absolute;top:calc(100% + 16px);right:0;width:min(920px,92vw);background:var(--panel);
  border:1px solid var(--line);border-radius:16px;box-shadow:0 30px 80px rgba(0,0,0,.7);padding:24px;
  display:grid;grid-template-columns:1.1fr 1fr .9fr;gap:24px;
  opacity:0;visibility:hidden;transform:translateY(6px);transition:.18s var(--ease);z-index:60}
.nav-item:hover .mega-panel,.nav-item:focus-within .mega-panel,.nav-item.is-open .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-title{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--faint);font-weight:600;margin-bottom:14px}
.mega-cat{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:10px;font-size:14px;color:var(--muted);transition:.15s var(--ease)}
.mega-cat:hover{background:var(--ink-700);color:var(--paper);transform:translateX(2px)}
.mega-cat em{margin-left:auto;font-style:normal;font-size:12px;color:var(--faint)}
.dot{width:8px;height:8px;border-radius:999px;display:inline-block}
.dot-lime{background:var(--lime-500)}
.dot-violet{background:var(--violet-500)}
.dot-coral{background:var(--coral)}
.dot-cyan{background:var(--cyan)}
.mega-mini{display:flex;gap:10px;align-items:center;padding:8px;border-radius:10px;transition:.15s var(--ease)}
.mega-mini:hover{background:var(--ink-700)}
.mega-mini img{width:60px;height:40px;object-fit:cover;border-radius:8px}
.mega-mini span{font-size:13px;line-height:1.5;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mega-mini:hover span{color:var(--paper)}
.mega-card{display:block;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--ink-800);transition:.18s var(--ease)}
.mega-card:hover{border-color:rgba(205,242,80,.35);transform:translateY(-3px)}
.mega-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.mega-card .mega-card-t{display:flex;align-items:center;gap:8px;padding:12px 14px;font-size:14px;color:var(--paper)}
.mega-card:hover .mega-card-t{color:var(--lime-500)}

/* ---------- buttons ---------- */
.btn-lime,.btn-ghost,.btn-sm{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:999px;font-size:15px;font-weight:600;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease)}
.btn-lime{background:var(--lime-500);color:#08090B}
.btn-lime:hover{background:var(--lime-600);color:#08090B;transform:translateY(-2px);box-shadow:0 12px 28px rgba(205,242,80,.22)}
.btn-ghost{border:1px solid rgba(255,255,255,.18);color:var(--paper)}
.btn-ghost:hover{border-color:var(--lime-500);color:var(--lime-500);background:rgba(205,242,80,.06);transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-disabled{opacity:.4;pointer-events:none}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--muted);transition:.15s var(--ease)}
.text-link:hover{color:var(--lime-500)}
.text-link:hover svg{transform:translateX(4px)}
.text-link svg{transition:transform .15s var(--ease)}
.arrow-btn{width:40px;height:40px;border-radius:999px;border:1px solid var(--line);display:inline-flex;
  align-items:center;justify-content:center;color:var(--muted);transition:.15s var(--ease)}
.arrow-btn:hover{color:var(--lime-500);border-color:rgba(205,242,80,.45);background:rgba(205,242,80,.06)}

/* ---------- notice ---------- */
.notice-bar{background:var(--ink-800);border-bottom:1px solid var(--line)}
.notice-inner{display:flex;align-items:center;gap:12px;min-height:40px}
.notice-inner .bar{width:2px;height:16px;background:var(--lime-500);border-radius:2px}
.notice-inner p{font-size:13px;color:var(--muted)}
.notice-close{margin-left:auto;width:26px;height:26px;border-radius:999px;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--faint);transition:.15s var(--ease)}
.notice-close:hover{color:var(--paper);border-color:rgba(255,255,255,.2)}

/* ---------- hero ---------- */
.hero{position:relative;min-height:clamp(520px,78vh,820px);display:flex;align-items:flex-end;overflow:hidden;background:var(--ink-900)}
.hero-bg{position:absolute;inset:0;background-image:url(/assets/images/backpic/back-1.png);background-size:cover;background-position:center;background-color:var(--ink-700);animation:heroZoom 20s ease-in-out infinite alternate}
.hero-bg::after{content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(8,9,11,.95) 0%,rgba(8,9,11,.72) 38%,rgba(8,9,11,.5) 62%,rgba(8,9,11,.1) 100%)}
@keyframes heroZoom{from{transform:scale(1)}to{transform:scale(1.06)}}
.hero-inner{position:relative;z-index:2;width:100%;padding:120px 0 88px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-tag);
  border:1px solid rgba(205,242,80,.4);background:rgba(205,242,80,.08);color:var(--lime-500);
  font-size:12px;font-weight:600;letter-spacing:.04em;margin-bottom:22px}
.hero h1{font-size:clamp(32px,5vw,60px);line-height:1.12;font-weight:800;letter-spacing:-.02em;max-width:16em}
.hero-sub{margin-top:18px;font-size:clamp(15px,1.5vw,18px);color:var(--muted);max-width:34em}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-stats{display:flex;flex-wrap:wrap;align-items:center;gap:0;margin-top:56px}
.hero-stat{padding-right:32px;margin-right:32px;border-right:1px solid var(--line)}
.hero-stat:last-child{border-right:0;margin-right:0;padding-right:0}
.hero-stat b{display:block;font-size:28px;font-weight:700;letter-spacing:-.02em;line-height:1.2;color:var(--paper)}
.hero-stat span{font-size:13px;color:var(--faint)}
.scroll-hint{position:absolute;right:28px;bottom:32px;display:flex;flex-direction:column;align-items:center;gap:10px;z-index:3}
.scroll-hint span{font-size:11px;letter-spacing:.2em;color:var(--faint);writing-mode:vertical-rl}
.scroll-hint i{display:block;width:2px;height:56px;background:linear-gradient(to bottom,var(--lime-500),transparent);border-radius:2px;animation:hintMove 2.2s ease-in-out infinite}
@keyframes hintMove{0%,100%{transform:translateY(0);opacity:.9}50%{transform:translateY(20px);opacity:.35}}

/* ---------- sections ---------- */
.section{padding:104px 0}
.section-tight{padding:80px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.section-head h2{font-size:clamp(24px,3vw,36px);letter-spacing:-.02em}
.section-head .sub{margin-top:10px;font-size:13px;color:var(--faint)}
.head-actions{display:flex;align-items:center;gap:12px}
.eyebrow{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--violet-500);font-weight:600;margin-bottom:12px}

/* ---------- rail ---------- */
.rail{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 24px 24px;
  scrollbar-width:none;scroll-padding-left:24px}
.rail::-webkit-scrollbar{display:none}
.rail-card{flex:0 0 auto;width:clamp(180px,22vw,300px);scroll-snap-align:start}
.rail-poster{position:relative;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line-soft);
  background:var(--ink-800);aspect-ratio:2/3;box-shadow:var(--shadow-card);transition:.2s var(--ease)}
.rail-card:hover .rail-poster{transform:translateY(-4px);border-color:rgba(205,242,80,.35)}
.rail-poster img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.rail-card:hover .rail-poster img{transform:scale(1.04)}
.rail-rank{position:absolute;left:0;top:0;padding:4px 10px;border-radius:0 0 10px 0;background:rgba(8,9,11,.78);
  font-size:12px;font-weight:700;color:var(--lime-500)}
.rail-card h3{margin-top:12px;font-size:15px;font-weight:600;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rail-card:hover h3{color:var(--lime-500)}
.rail-meta{margin-top:8px;display:flex;align-items:center;gap:8px}

/* ---------- badges ---------- */
.badge-tag{display:inline-block;font-size:12px;line-height:1.6;padding:1px 8px;border-radius:var(--r-tag);border:1px solid;font-weight:500}
.tag-lime{color:var(--lime-500);border-color:rgba(205,242,80,.45);background:rgba(205,242,80,.08)}
.tag-violet{color:var(--violet-500);border-color:rgba(122,92,255,.45);background:rgba(122,92,255,.08)}
.tag-coral{color:var(--coral);border-color:rgba(255,122,89,.45);background:rgba(255,122,89,.08)}
.tag-cyan{color:var(--cyan);border-color:rgba(76,201,240,.45);background:rgba(76,201,240,.08)}
.meta-dot{font-size:12px;color:var(--faint)}

/* ---------- feature grid 7:5 ---------- */
.feature-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:start}
.feature-main{position:relative;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line-soft);
  background:var(--ink-800);box-shadow:var(--shadow-card);transition:.2s var(--ease)}
.feature-main:hover{border-color:rgba(205,242,80,.35);transform:translateY(-4px)}
.feature-main .cover{position:relative;aspect-ratio:16/9;overflow:hidden}
.feature-main .cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.feature-main:hover .cover img{transform:scale(1.04)}
.feature-rank{position:absolute;left:16px;bottom:0;font-size:96px;font-weight:800;line-height:1;
  color:transparent;-webkit-text-stroke:2px rgba(205,242,80,.35);letter-spacing:-.04em;pointer-events:none}
.feature-body{padding:24px}
.feature-body h3{font-size:22px;font-weight:700}
.feature-body p{margin-top:12px;font-size:14px;color:var(--muted);line-height:1.8}
.feature-side{display:flex;flex-direction:column;gap:16px}
.side-card{display:flex;gap:16px;padding:14px;border-radius:var(--r-card);border:1px solid var(--line-soft);
  background:var(--ink-800);transition:.2s var(--ease)}
.side-card:hover{background:var(--ink-700);border-color:rgba(205,242,80,.3);transform:translateY(-3px)}
.side-card img{width:132px;height:99px;object-fit:cover;border-radius:10px;flex:none}
.side-card h3{font-size:16px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.side-card:hover h3{color:var(--lime-500)}
.side-card .meta{margin-top:10px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}

/* ---------- split list ---------- */
.split{display:grid;grid-template-columns:4fr 8fr;gap:48px;padding:40px 0;border-top:1px solid var(--line)}
.split:first-of-type{border-top:0;padding-top:0}
.split-head h3{font-size:24px;font-weight:700}
.split-head p{margin-top:14px;font-size:14px;color:var(--muted);line-height:1.85;max-width:22em}
.split-head .text-link{margin-top:20px}
.row-list{display:flex;flex-direction:column}
.row-item{display:grid;grid-template-columns:40px 72px 1fr auto 24px;align-items:center;gap:16px;
  padding:12px 16px;min-height:72px;border-radius:12px;transition:.15s var(--ease)}
.row-item + .row-item{box-shadow:inset 0 1px 0 var(--line)}
.row-item:hover{background:var(--ink-700)}
.row-num{font-size:15px;font-weight:600;color:var(--faint);font-variant-numeric:tabular-nums}
.row-item:hover .row-num{color:var(--lime-500)}
.row-item img{width:72px;height:48px;object-fit:cover;border-radius:8px}
.row-title{min-width:0}
.row-title b{display:block;font-size:15px;font-weight:600;line-height:1.5;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.row-title span{font-size:12px;color:var(--faint)}
.row-item:hover .row-title b{color:var(--lime-500)}
.row-arrow{color:var(--faint);transition:transform .15s var(--ease),color .15s var(--ease)}
.row-item:hover .row-arrow{color:var(--lime-500);transform:translateX(4px)}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step{padding:28px 24px;border-radius:var(--r-card);border:1px solid var(--line-soft);background:var(--ink-800);
  transition:.2s var(--ease);position:relative;overflow:hidden}
.step::before{content:"";position:absolute;left:0;top:24px;bottom:24px;width:2px;background:var(--violet-500);border-radius:2px}
.step:hover{background:var(--ink-700);border-color:rgba(205,242,80,.3);transform:translateY(-4px)}
.step b{display:block;font-size:13px;color:var(--violet-500);font-weight:700;letter-spacing:.1em}
.step h3{margin-top:14px;font-size:18px}
.step p{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.8}

/* ---------- cms grid ---------- */
.cms-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.info-card{border-radius:var(--r-card);border:1px solid var(--line-soft);background:var(--ink-800);
  overflow:hidden;display:flex;flex-direction:column;transition:.2s var(--ease)}
.info-card:hover{transform:translateY(-4px);border-color:rgba(205,242,80,.32);box-shadow:var(--shadow-card)}
.info-cover{display:block;aspect-ratio:16/10;overflow:hidden;background:var(--ink-700)}
.info-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.info-card:hover .info-cover img{transform:scale(1.04)}
.info-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.info-body h3{font-size:16px;font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.info-card:hover .info-body h3{color:var(--lime-500)}
.info-desc{font-size:13px;color:var(--muted);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.info-foot{margin-top:auto;padding-top:12px;display:flex;align-items:center;justify-content:space-between;
  border-top:1px solid var(--line);font-size:12px;color:var(--faint)}
.empty-state{border:1px dashed rgba(255,255,255,.14);border-radius:var(--r-card);padding:48px;text-align:center;
  display:flex;flex-direction:column;align-items:center;gap:14px;grid-column:1/-1}
.empty-state p{font-size:14px;color:var(--muted)}
.empty-state svg{color:var(--violet-500)}
.skeleton{background:var(--ink-700);border-radius:var(--r-card);height:280px;overflow:hidden;position:relative}
.skeleton::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,.04),transparent);
  animation:shine 1.4s infinite}
@keyframes shine{from{transform:translateX(-100%)}to{transform:translateX(100%)}}

/* ---------- cta band ---------- */
.cta-band{background:var(--panel);border-top:1px solid var(--line);padding:88px 0}
.cta-inner{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.cta-inner h2{font-size:clamp(24px,3vw,34px);letter-spacing:-.02em}
.cta-inner .lead{margin-top:16px;font-size:15px;color:var(--muted);max-width:26em}
.sub-form{display:flex;gap:12px}
.sub-input{flex:1;height:48px;padding:0 16px;border-radius:var(--r-input);background:var(--ink-800);
  border:1px solid var(--line);color:var(--paper);font-size:15px;transition:.15s var(--ease)}
.sub-input::placeholder{color:var(--faint)}
.sub-input:focus{outline:none;border-color:var(--lime-500);box-shadow:0 0 0 2px rgba(205,242,80,.35)}
.sub-input.is-error{border-color:var(--err)}
.form-msg{margin-top:12px;font-size:12px;color:var(--faint)}
.form-msg.err{color:var(--err)}

/* ---------- faq ---------- */
.faq-list{max-width:900px}
.faq-item{border-bottom:1px solid var(--line);position:relative}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:16px;min-height:64px;
  padding:12px 8px 12px 18px;font-size:16px;font-weight:600;transition:.15s var(--ease)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:2px;background:transparent;border-radius:2px;transition:.15s var(--ease)}
.faq-item[open] summary::before{background:var(--lime-500)}
.faq-item summary:hover{color:var(--lime-500)}
.faq-item summary .plus{margin-left:auto;color:var(--faint);transition:transform .2s var(--ease)}
.faq-item[open] summary .plus{transform:rotate(45deg);color:var(--lime-500)}
.faq-answer{padding:0 8px 24px 18px;max-width:760px;font-size:15px;color:var(--muted);line-height:1.9}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-900);border-top:1px solid var(--line);padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:13px;color:var(--muted);line-height:1.85;max-width:24em}
.socials{display:flex;gap:10px;margin-top:22px}
.footer-col h4{font-size:13px;letter-spacing:.1em;color:var(--faint);font-weight:600;margin-bottom:18px}
.footer-col a{display:block;font-size:14px;color:var(--muted);padding:6px 0;text-decoration:underline;
  text-decoration-color:transparent;text-underline-offset:4px;text-decoration-thickness:1px;transition:.15s var(--ease)}
.footer-col a:hover{color:var(--lime-500);text-decoration-color:var(--lime-500);text-decoration-thickness:2px}
.footer-col p{font-size:13px;color:var(--muted);padding:6px 0;line-height:1.8}
.footer-bottom{margin-top:56px;border-top:1px solid var(--line);padding:22px 0;display:flex;
  align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--faint)}
.footer-bottom .links{display:flex;gap:20px}
.footer-bottom a{color:var(--faint)}
.footer-bottom a:hover{color:var(--lime-500)}

/* ---------- drawer ---------- */
.drawer{position:fixed;top:0;left:0;bottom:0;width:84vw;max-width:360px;background:var(--panel);
  border-right:1px solid var(--line);z-index:1060;transform:translateX(-100%);transition:transform .25s var(--ease);
  padding:24px;overflow-y:auto}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.drawer-group{border-bottom:1px solid var(--line)}
.drawer-group > span{display:block;padding:16px 0;font-size:12px;letter-spacing:.14em;color:var(--faint);font-weight:600}
.drawer a.drawer-link{display:flex;align-items:center;gap:10px;padding:14px 0;font-size:15px;color:var(--paper);border-bottom:1px solid var(--line)}
.drawer a.drawer-link.active{color:var(--lime-500)}
.drawer-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:1050;opacity:0;visibility:hidden;transition:.2s var(--ease)}
.drawer-backdrop.open{opacity:1;visibility:visible}

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

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition-duration:.01ms!important}
  .fade-up{opacity:1;transform:none}
}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .section{padding:88px 0}
  .cms-grid{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:991.98px){
  .nav-main{display:none}
  .nav-toggle{display:inline-flex}
  .hero{min-height:62vh}
  .hero-inner{padding:96px 0 64px}
  .hero-stat{padding-right:20px;margin-right:20px}
  .section{padding:72px 0}
  .section-tight{padding:64px 0}
  .rail-card{width:62vw}
  .feature-grid{grid-template-columns:1fr}
  .split{grid-template-columns:1fr;gap:28px;padding:32px 0}
  .steps{grid-template-columns:repeat(2,1fr)}
  .cms-grid{grid-template-columns:repeat(2,1fr)}
  .cta-inner{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .scroll-hint{display:none}
}
@media (max-width:767.98px){
  .container{padding-left:20px;padding-right:20px}
  .rail{padding-left:20px;padding-right:20px}
  .hero h1{letter-spacing:0}
  .section{padding:56px 0}
  .section-head{margin-bottom:24px}
  .row-item{grid-template-columns:32px 64px 1fr 20px;min-height:64px;gap:12px;padding:10px 12px}
  .row-item img{width:64px;height:44px}
  .row-item .row-badge{display:none}
  .steps{grid-template-columns:1fr}
  .cms-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .sub-form{flex-direction:column}
  .sub-form .btn-lime{width:100%}
  .side-card img{width:104px;height:78px}
  .feature-rank{font-size:64px}
  .hero-stats{margin-top:36px}
  .hero-stat b{font-size:22px}
}
@media (max-width:519.98px){
  .nav-wrap{gap:12px}
  .brand{font-size:17px}
  .hero-cta .btn-lime,.hero-cta .btn-ghost{width:100%}
}

/* roulang page: category1 */
:root{
  --ink-900:#08090B;
  --ink-800:#101215;
  --ink-700:#14171B;
  --ink-850:#0E1013;
  --line:rgba(255,255,255,.08);
  --line-soft:rgba(255,255,255,.07);
  --paper:#F2F0EB;
  --muted:#9BA1A9;
  --faint:#6B7178;
  --lime-500:#CDF250;
  --lime-600:#B4DC33;
  --violet-500:#7A5CFF;
  --coral:#FF7A59;
  --cyan:#4CC9F0;
  --ok:#4CC9A0;
  --err:#FF6B5A;
  --r-card:14px;
  --r-img:12px;
  --r-tag:6px;
  --r-input:10px;
  --r-panel:16px;
  --shadow-card:0 24px 60px rgba(0,0,0,.55);
  --shadow-panel:0 30px 80px rgba(0,0,0,.7);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--paper);
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.8;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block;background:var(--ink-700)}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0}
input{font:inherit}
:focus-visible{outline:2px solid var(--lime-500);outline-offset:2px;border-radius:6px}
::selection{background:rgba(205,242,80,.28);color:var(--paper)}

.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px}
@media (max-width:767.98px){.container{padding:0 20px}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:200;
  background:rgba(8,9,11,.86);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:24px;height:72px;transition:height .18s var(--ease)}
.site-header.is-scrolled .header-inner{height:60px}
.site-header.is-scrolled{background:rgba(8,9,11,.72)}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;letter-spacing:-.01em;color:var(--paper);white-space:nowrap}
.brand-dot{width:10px;height:10px;border-radius:3px;background:var(--lime-500);box-shadow:0 0 0 4px rgba(205,242,80,.12);flex:none}
.nav-main{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  padding:8px 14px;font-size:15px;font-weight:500;color:var(--muted);
  border-radius:8px;cursor:pointer;white-space:nowrap;
  transition:color .16s var(--ease),background-color .16s var(--ease);
}
.nav-link:hover{color:var(--paper);background:var(--ink-700)}
.nav-link.active{color:var(--lime-500)}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:1px;height:2px;
  background:var(--lime-500);border-radius:2px;
}
.nav-item{position:relative}
.mega-panel{
  position:absolute;top:calc(100% + 16px);right:0;
  width:min(920px,92vw);
  display:grid;grid-template-columns:1.05fr 1.1fr .95fr;gap:26px;
  padding:24px;background:var(--ink-850);
  border:1px solid var(--line);border-radius:var(--r-panel);
  box-shadow:var(--shadow-panel);
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity .16s var(--ease),transform .16s var(--ease),visibility .16s var(--ease);
  z-index:60;
}
.mega-title{font-size:13px;font-weight:600;color:var(--faint);letter-spacing:.08em;margin-bottom:12px}
.mega-cat{
  display:flex;align-items:center;gap:10px;height:44px;padding:0 10px;border-radius:10px;
  font-size:14px;color:var(--muted);transition:background-color .16s var(--ease),color .16s var(--ease);
}
.mega-cat em{margin-left:auto;font-style:normal;font-size:12px;color:var(--faint)}
.mega-cat:hover{background:var(--ink-700);color:var(--paper)}
.dot{width:8px;height:8px;border-radius:50%;flex:none}
.dot-lime{background:var(--lime-500)}
.dot-violet{background:var(--violet-500)}
.dot-coral{background:var(--coral)}
.dot-cyan{background:var(--cyan)}
.mega-mini{
  display:flex;align-items:center;gap:12px;padding:8px;border-radius:10px;
  transition:background-color .16s var(--ease);
}
.mega-mini:hover{background:var(--ink-700)}
.mega-mini img{width:60px;height:40px;object-fit:cover;border-radius:8px;flex:none;background:var(--ink-700)}
.mega-mini span{font-size:13px;line-height:1.5;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mega-mini:hover span{color:var(--paper)}
.mega-entry{
  display:block;border:1px solid var(--line);border-radius:12px;overflow:hidden;
  transition:border-color .16s var(--ease),transform .16s var(--ease);
}
.mega-entry:hover{border-color:rgba(205,242,80,.35);transform:translateY(-2px)}
.mega-entry img{aspect-ratio:16/9;width:100%;object-fit:cover}
.mega-entry-body{padding:12px 14px;display:flex;align-items:center;gap:8px;font-size:14px;color:var(--paper)}
.mega-entry-body svg{flex:none;margin-left:auto;color:var(--lime-500)}
.header-actions{display:flex;align-items:center;gap:10px}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:50%;
  border:1px solid var(--line);color:var(--muted);background:transparent;
  transition:color .16s var(--ease),border-color .16s var(--ease),background-color .16s var(--ease);
  cursor:pointer;flex:none;
}
.icon-btn:hover{color:var(--lime-500);border-color:rgba(205,242,80,.4);background:rgba(205,242,80,.06)}
.icon-btn.is-active{color:var(--lime-500);border-color:rgba(205,242,80,.5);background:rgba(205,242,80,.1)}
.menu-toggle{display:none}

/* 按钮 */
.rl-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:999px;
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .16s var(--ease),background-color .16s var(--ease),color .16s var(--ease),border-color .16s var(--ease),box-shadow .16s var(--ease);
  white-space:nowrap;
}
.rl-btn-primary{background:var(--lime-500);color:#08090B}
.rl-btn-primary:hover{background:var(--lime-600);transform:translateY(-2px);box-shadow:0 12px 28px rgba(205,242,80,.22)}
.rl-btn-ghost{border-color:rgba(255,255,255,.18);color:var(--paper);background:transparent}
.rl-btn-ghost:hover{border-color:var(--lime-500);color:var(--lime-500);background:rgba(205,242,80,.06)}
.rl-btn-sm{height:40px;padding:0 20px;font-size:14px}
.rl-btn:disabled,.rl-btn.is-disabled{opacity:.4;pointer-events:none}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--lime-500)}
.text-link svg{transition:transform .16s var(--ease)}
.text-link:hover svg{transform:translateX(4px)}

/* ============ 分类头 ============ */
.cat-hero{
  position:relative;overflow:hidden;border-bottom:1px solid var(--line);
  padding:112px 0 64px;min-height:400px;display:flex;align-items:flex-end;
  background:var(--ink-900);
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:url("/assets/images/backpic/back-1.png") center/cover no-repeat;
  opacity:.52;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(8,9,11,.62) 0%,rgba(8,9,11,.78) 48%,rgba(8,9,11,.98) 100%);
}
.cat-hero .container{position:relative;z-index:2;width:100%}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--faint);margin-bottom:20px;flex-wrap:wrap}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--lime-500)}
.crumb .cur{color:var(--faint)}
.cat-hero h1{
  font-size:clamp(32px,4.6vw,54px);line-height:1.12;font-weight:800;letter-spacing:-.02em;
  max-width:760px;
}
.cat-hero .lead{margin-top:18px;font-size:15px;color:var(--muted);max-width:620px}
.cat-stats{display:flex;align-items:center;flex-wrap:wrap;gap:14px;margin-top:24px;font-size:14px;color:var(--muted)}
.cat-stats i{display:inline-block;width:1px;height:14px;background:var(--line)}
.cat-stats b{color:var(--paper);font-weight:700}

/* ============ 筛选条 ============ */
.filter-bar{
  position:sticky;top:60px;z-index:120;
  background:rgba(8,9,11,.86);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.filter-inner{display:flex;align-items:center;gap:16px;height:68px}
.pill-group{display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none;padding:4px 0}
.pill-group::-webkit-scrollbar{display:none}
.pill{
  display:inline-flex;align-items:center;height:36px;padding:0 18px;border-radius:999px;
  border:1px solid var(--line);color:var(--muted);font-size:14px;font-weight:500;
  cursor:pointer;white-space:nowrap;
  transition:color .16s var(--ease),background-color .16s var(--ease),border-color .16s var(--ease);
}
.pill:hover{color:var(--paper);border-color:rgba(255,255,255,.2)}
.pill.is-active{background:var(--lime-500);border-color:var(--lime-500);color:#08090B;font-weight:700}
.view-toggle{display:flex;align-items:center;gap:8px;margin-left:auto}

/* ============ 板块通用 ============ */
.section{padding:96px 0}
.section-tight{padding:80px 0}
.sec-head{margin-bottom:40px}
.sec-head h2{font-size:clamp(24px,3vw,36px);line-height:1.2;font-weight:700;letter-spacing:-.01em}
.sec-head p{margin-top:12px;font-size:13px;color:var(--faint)}
.sec-line{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--lime-500);font-weight:600;letter-spacing:.06em;margin-bottom:14px}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--lime-500);border-radius:2px}

/* 标签 */
.tag{
  display:inline-flex;align-items:center;height:22px;padding:0 8px;
  border-radius:var(--r-tag);font-size:12px;line-height:1;border:1px solid currentColor;
  font-weight:500;white-space:nowrap;
}
.tag-lime{color:var(--lime-500);background:rgba(205,242,80,.08)}
.tag-violet{color:var(--violet-500);background:rgba(122,92,255,.08)}
.tag-coral{color:var(--coral);background:rgba(255,122,89,.08)}
.tag-cyan{color:var(--cyan);background:rgba(76,201,240,.08)}
.tag-plain{color:var(--muted);background:rgba(255,255,255,.03);border-color:var(--line)}

/* ============ 海报网格 ============ */
.poster-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.m-card{
  display:block;background:var(--ink-800);
  border:1px solid var(--line-soft);border-radius:var(--r-card);
  overflow:hidden;
  transition:transform .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.m-card:hover{transform:translateY(-4px);border-color:rgba(205,242,80,.35);box-shadow:var(--shadow-card)}
.poster-thumb{position:relative;aspect-ratio:2/3;overflow:hidden;background:var(--ink-700)}
.poster-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .25s var(--ease)}
.m-card:hover .poster-thumb img{transform:scale(1.04)}
.poster-thumb .date-chip{
  position:absolute;left:12px;top:12px;display:inline-flex;align-items:center;
  height:26px;padding:0 10px;border-radius:999px;
  background:rgba(8,9,11,.78);border:1px solid var(--line);
  font-size:12px;font-weight:600;color:var(--paper);backdrop-filter:blur(4px);
}
.poster-body{padding:16px}
.poster-body h3{font-size:17px;line-height:1.35;font-weight:600;transition:color .16s var(--ease)}
.m-card:hover .poster-body h3{color:var(--lime-500)}
.poster-meta{display:flex;align-items:center;gap:8px;margin-top:10px;flex-wrap:wrap}
.poster-meta span{font-size:12px;color:var(--faint)}

.feature-card{
  grid-column:span 2;
  display:grid;grid-template-columns:1.1fr 1fr;align-items:stretch;
}
.feature-card .poster-thumb{aspect-ratio:auto;height:100%;min-height:320px}
.feature-body{padding:28px;display:flex;flex-direction:column;justify-content:center;gap:14px}
.feature-body h3{font-size:24px;line-height:1.3;font-weight:700;transition:color .16s var(--ease)}
.feature-card:hover .feature-body h3{color:var(--lime-500)}
.feature-body p{font-size:14px;color:var(--muted);line-height:1.8}

/* 分页 */
.pager{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:44px;flex-wrap:wrap}
.pager a,.pager span.num{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:8px;border:1px solid var(--line);
  font-size:14px;color:var(--muted);
  transition:color .16s var(--ease),border-color .16s var(--ease),background-color .16s var(--ease);
}
.pager a:hover{color:var(--lime-500);border-color:rgba(205,242,80,.4)}
.pager .current{background:var(--lime-500);border-color:var(--lime-500);color:#08090B;font-weight:700}
.pager .pager-text{width:auto;padding:0 14px;border-color:transparent}
.pager .pager-text:hover{border-color:transparent;color:var(--lime-500)}

/* ============ 左标题右列表 ============ */
.split{display:grid;grid-template-columns:4fr 8fr;gap:56px;align-items:start}
.split-left h2{font-size:clamp(24px,3vw,36px);line-height:1.2;font-weight:700;letter-spacing:-.01em}
.split-left p{margin-top:16px;font-size:15px;color:var(--muted);line-height:1.85}
.split-left .rl-btn{margin-top:24px}
.rank-list{border-top:1px solid var(--line)}
.rank-row{
  display:flex;align-items:center;gap:20px;
  min-height:72px;padding:16px 12px;border-bottom:1px solid var(--line);
  transition:background-color .16s var(--ease);
}
.rank-row:hover{background:var(--ink-700)}
.rank-row .no{font-size:14px;font-weight:700;color:var(--faint);width:26px;flex:none;letter-spacing:.04em}
.rank-row:hover .no{color:var(--lime-500)}
.rank-thumb{width:72px;height:48px;border-radius:8px;object-fit:cover;flex:none;background:var(--ink-700)}
.rank-text{min-width:0;flex:1}
.rank-text h3{font-size:16px;font-weight:600;line-height:1.4;transition:color .16s var(--ease)}
.rank-row:hover .rank-text h3{color:var(--lime-500)}
.rank-text p{font-size:13px;color:var(--faint);margin-top:4px;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.rank-row .arrow{color:var(--faint);flex:none;transition:transform .16s var(--ease),color .16s var(--ease)}
.rank-row:hover .arrow{color:var(--lime-500);transform:translateX(4px)}

/* ============ 流程 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{
  position:relative;background:var(--ink-800);border:1px solid var(--line-soft);
  border-radius:var(--r-card);padding:28px 24px;
  transition:transform .18s var(--ease),border-color .18s var(--ease);
}
.step:hover{transform:translateY(-4px);border-color:rgba(205,242,80,.35)}
.step .no{font-size:13px;font-weight:700;color:var(--violet-500);letter-spacing:.12em}
.step h3{font-size:18px;font-weight:600;margin-top:14px;line-height:1.4}
.step p{font-size:14px;color:var(--muted);margin-top:10px;line-height:1.8}

/* ============ 适合谁看 ============ */
.audience{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.aud-card{
  display:flex;gap:18px;align-items:flex-start;
  background:var(--ink-800);border:1px solid var(--line-soft);
  border-radius:var(--r-card);padding:24px;
  transition:transform .18s var(--ease),border-color .18s var(--ease);
}
.aud-card:hover{transform:translateY(-4px);border-color:rgba(205,242,80,.35)}
.aud-icon{
  width:44px;height:44px;border-radius:12px;flex:none;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);color:var(--lime-500);background:rgba(205,242,80,.06);
}
.aud-card h3{font-size:17px;font-weight:600;line-height:1.4}
.aud-card p{font-size:14px;color:var(--muted);margin-top:8px;line-height:1.8}

/* ============ FAQ ============ */
.faq-list{border-top:1px solid var(--line);max-width:920px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  position:relative;display:flex;align-items:center;gap:16px;width:100%;
  min-height:64px;padding:14px 12px 14px 20px;text-align:left;
  font-size:16px;font-weight:600;color:var(--paper);cursor:pointer;
  transition:color .16s var(--ease),background-color .16s var(--ease);
}
.faq-q::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:2px;
  background:var(--lime-500);border-radius:2px;opacity:0;transition:opacity .16s var(--ease);
}
.faq-item.open .faq-q::before{opacity:1}
.faq-q:hover{color:var(--lime-500);background:var(--ink-700)}
.faq-q svg{margin-left:auto;flex:none;color:var(--faint);transition:transform .2s var(--ease),color .2s var(--ease)}
.faq-item.open .faq-q svg{transform:rotate(180deg);color:var(--lime-500)}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .24s var(--ease)}
.faq-item.open .faq-a{grid-template-rows:1fr}
.faq-a>div{overflow:hidden}
.faq-a p{
  max-width:760px;padding:0 12px 24px 20px;
  font-size:15px;color:var(--muted);line-height:1.9;
}

/* ============ CTA ============ */
.cta-band{background:var(--ink-850);border-top:1px solid var(--line);padding:80px 0}
.cta-inner{display:grid;grid-template-columns:6fr 6fr;gap:48px;align-items:center}
.cta-inner h2{font-size:clamp(24px,3vw,34px);line-height:1.22;font-weight:700;letter-spacing:-.01em}
.cta-inner p{margin-top:14px;font-size:15px;color:var(--muted)}
.sub-form{display:flex;gap:12px;align-items:flex-start}
.field{flex:1;min-width:0}
.field input{
  width:100%;height:48px;padding:0 18px;
  background:var(--ink-800);border:1px solid var(--line);border-radius:var(--r-input);
  color:var(--paper);font-size:15px;
  transition:border-color .16s var(--ease),box-shadow .16s var(--ease);
}
.field input::placeholder{color:var(--faint)}
.field input:hover{border-color:rgba(255,255,255,.18)}
.field input:focus{outline:none;border-color:var(--lime-500);box-shadow:0 0 0 2px rgba(205,242,80,.3)}
.field input.is-error{border-color:var(--err)}
.form-note{font-size:12px;color:var(--faint);margin-top:12px;line-height:1.6}
.form-msg{font-size:12px;margin-top:8px}
.form-msg.err{color:var(--err)}
.form-msg.ok{color:var(--ok)}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-900);border-top:1px solid var(--line);padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:56px}
.footer-brand .brand{font-size:17px}
.footer-brand p{font-size:13px;color:var(--muted);margin-top:16px;line-height:1.85;max-width:320px}
.socials{display:flex;gap:10px;margin-top:20px}
.footer-col h4{font-size:14px;font-weight:600;color:var(--paper);margin-bottom:18px}
.footer-col a{display:block;font-size:14px;color:var(--muted);padding:5px 0;transition:color .16s var(--ease)}
.footer-col a:hover{color:var(--lime-500);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px}
.footer-col p{font-size:13px;color:var(--faint);padding:4px 0;line-height:1.7}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid var(--line);padding:22px 0 30px;
  font-size:13px;color:var(--faint);
}
.footer-bottom-links{display:flex;gap:20px}
.footer-bottom-links a{color:var(--faint)}
.footer-bottom-links a:hover{color:var(--lime-500)}

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

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .poster-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991.98px){
  .split{grid-template-columns:1fr;gap:32px}
  .cta-inner{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .menu-toggle{display:inline-flex}
  .header-actions .rl-btn{display:none}
  .nav-main{
    position:fixed;top:0;left:0;bottom:0;width:84vw;max-width:360px;
    background:var(--ink-800);border-right:1px solid var(--line);
    flex-direction:column;align-items:stretch;justify-content:flex-start;
    gap:4px;padding:88px 20px 32px;margin-left:0;
    transform:translateX(-102%);transition:transform .22s var(--ease);
    overflow-y:auto;z-index:190;
  }
  .nav-main.open{transform:translateX(0)}
  .nav-main .nav-link{justify-content:space-between;font-size:15px;padding:12px 12px}
  .nav-main .nav-link.active::after{left:12px;right:12px;bottom:6px}
  .mega-panel{
    position:static;width:auto;opacity:1;visibility:visible;transform:none;
    display:none;grid-template-columns:1fr;gap:16px;
    padding:12px 0 12px 14px;margin:4px 0 8px;
    border:0;border-left:1px solid var(--line);border-radius:0;box-shadow:none;
    background:transparent;
  }
  .nav-item.open .mega-panel{display:grid}
  .mega-entry{max-width:260px}
}
@media (min-width:992px){
  .nav-item:hover .mega-panel,
  .nav-item:focus-within .mega-panel,
  .nav-item.open .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
  .nav-item:hover .mega-panel{transition-delay:.12s}
}
@media (max-width:767.98px){
  .section{padding:56px 0}
  .section-tight{padding:56px 0}
  .cat-hero{padding:72px 0 48px;min-height:340px}
  .cat-hero h1{letter-spacing:0}
  .poster-grid{grid-template-columns:1fr;gap:20px}
  .feature-card{grid-column:span 1;grid-template-columns:1fr}
  .feature-card .poster-thumb{aspect-ratio:16/9;min-height:0}
  .feature-body{padding:20px}
  .steps{grid-template-columns:1fr}
  .audience{grid-template-columns:1fr}
  .rank-row{min-height:64px;gap:14px;padding:14px 8px}
  .rank-thumb{width:60px;height:40px}
  .rank-row .arrow{display:none}
  .sub-form{flex-direction:column}
  .sub-form .rl-btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px}
  .filter-inner{height:60px;gap:12px}
  .filter-bar{top:60px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
  --ink-900:#08090B;
  --ink-800:#101215;
  --ink-700:#14171B;
  --panel:#0E1013;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --paper:#F2F0EB;
  --muted:#9BA1A9;
  --faint:#6B7178;
  --lime-500:#CDF250;
  --lime-600:#B4DC33;
  --violet-500:#7A5CFF;
  --coral:#FF7A59;
  --cyan:#4CC9F0;
  --ok:#4CC9A0;
  --err:#FF6B5A;
  --r-card:14px;
  --r-img:12px;
  --r-tag:6px;
  --r-btn:999px;
  --r-input:10px;
  --r-panel:16px;
  --shadow-card:0 24px 60px rgba(0,0,0,.55);
  --shadow-panel:0 30px 80px rgba(0,0,0,.7);
  --font-cn:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--paper);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--paper);text-decoration:none;transition:color .16s var(--ease)}
a:hover{color:var(--lime-500)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--lime-500);outline-offset:2px;border-radius:4px}
.container,.container-sm,.container-md,.container-lg,.container-xl{
  width:100%;max-width:1280px;margin:0 auto;padding-left:20px;padding-right:20px;
}
.section{padding:96px 0}
.section-tight{padding:64px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.section-head h2{font-size:clamp(24px,3vw,36px);line-height:1.2}
.section-head .sub{font-size:13px;color:var(--muted);margin-top:8px;line-height:1.6}
.eyebrow{font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--faint);font-weight:600}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(8,9,11,.78);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  transition:height .18s var(--ease),background .18s var(--ease);
  height:72px;
}
.site-header.is-scrolled{height:60px;background:rgba(8,9,11,.9)}
.header-inner{display:flex;align-items:center;gap:20px;height:100%}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:19px;font-weight:800;letter-spacing:-.02em;color:var(--paper);white-space:nowrap;
}
.brand:hover{color:var(--paper)}
.brand-dot{width:10px;height:10px;border-radius:3px;background:var(--lime-500);box-shadow:0 0 0 4px rgba(205,242,80,.14)}
.nav-main{display:flex;align-items:center;gap:4px;margin-right:auto}
.nav-link{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  padding:9px 12px;border:0;background:none;border-radius:10px;
  font-size:15px;font-weight:500;color:var(--muted);cursor:pointer;
  transition:color .16s var(--ease),background .16s var(--ease);
}
.nav-link:hover{color:var(--paper);background:var(--ink-700)}
.nav-link.active{color:var(--lime-500)}
.nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--lime-500);
}
.nav-item{position:relative}
.nav-item.open>.nav-link{color:var(--paper);background:var(--ink-700)}
.header-actions{display:flex;align-items:center;gap:10px}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:50%;
  border:1px solid var(--line);background:transparent;color:var(--muted);cursor:pointer;
  transition:border-color .16s var(--ease),color .16s var(--ease),transform .16s var(--ease);
}
.icon-btn:hover{border-color:rgba(205,242,80,.5);color:var(--lime-500);transform:translateY(-2px)}
.nav-toggle{display:none}
.mega-panel{
  position:absolute;top:calc(100% + 14px);right:0;
  width:min(920px,92vw);padding:24px;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-panel);
  box-shadow:var(--shadow-panel);
  display:grid;grid-template-columns:1.05fr 1.25fr 1fr;gap:24px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .18s var(--ease),transform .18s var(--ease),visibility .18s;
  z-index:90;
}
.nav-item.open .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-title{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--faint);margin-bottom:12px}
.mega-cat{display:flex;align-items:center;gap:10px;padding:10px;border-radius:10px;font-size:14px;color:var(--muted)}
.mega-cat em{margin-left:auto;font-style:normal;font-size:12px;color:var(--faint)}
.mega-cat:hover{background:var(--ink-700);color:var(--paper)}
.mega-cat:hover span:last-of-type{margin-left:0}
.dot{width:8px;height:8px;border-radius:50%;flex:none}
.dot-lime{background:var(--lime-500)}
.dot-violet{background:var(--violet-500)}
.dot-coral{background:var(--coral)}
.dot-cyan{background:var(--cyan)}
.mega-mini{display:flex;align-items:center;gap:12px;padding:8px;border-radius:10px;color:var(--muted)}
.mega-mini img{width:60px;height:40px;object-fit:cover;border-radius:8px;background:var(--ink-700);flex:none}
.mega-mini span{font-size:13px;line-height:1.5}
.mega-mini:hover{background:var(--ink-700);color:var(--paper)}
.mega-entry{
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:var(--ink-800);
  display:block;transition:border-color .16s var(--ease),transform .16s var(--ease);
}
.mega-entry img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--ink-700)}
.mega-entry .cap{display:flex;align-items:center;gap:8px;padding:12px 14px;font-size:13px;color:var(--muted)}
.mega-entry:hover{border-color:rgba(205,242,80,.35);transform:translateY(-4px)}
.mega-entry:hover .cap{color:var(--paper)}

/* ---------- 按钮 ---------- */
.btn-main,.btn-ghost,.btn-text{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;cursor:pointer;border-radius:var(--r-btn);
  transition:transform .16s var(--ease),box-shadow .16s var(--ease),background .16s var(--ease),color .16s var(--ease),border-color .16s var(--ease);
}
.btn-main{
  height:48px;padding:0 28px;border:1px solid transparent;background:var(--lime-500);color:#08090B;
}
.btn-main:hover{background:#D6F766;color:#08090B;transform:translateY(-2px);box-shadow:0 12px 28px rgba(205,242,80,.22)}
.btn-main.sm{height:40px;padding:0 20px;font-size:14px}
.btn-ghost{
  height:48px;padding:0 26px;background:transparent;color:var(--paper);border:1px solid rgba(255,255,255,.18);
}
.btn-ghost:hover{border-color:var(--lime-500);color:var(--lime-500);background:rgba(205,242,80,.06);transform:translateY(-2px)}
.btn-text{padding:0;border:0;background:none;color:var(--paper);font-weight:600}
.btn-text svg{transition:transform .16s var(--ease)}
.btn-text:hover{color:var(--lime-500)}
.btn-text:hover svg{transform:translateX(4px)}
.btn-text.rev:hover svg{transform:translateX(-4px)}
.btn-main[disabled],.btn-ghost[disabled]{opacity:.4;pointer-events:none}

/* ---------- 徽章 / 标签 ---------- */
.badge-cat{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;padding:3px 9px;border-radius:var(--r-tag);
  border:1px solid rgba(205,242,80,.45);color:var(--lime-500);background:rgba(205,242,80,.08);
  white-space:nowrap;
}
.badge-cat.violet{border-color:rgba(122,92,255,.5);color:#A794FF;background:rgba(122,92,255,.1)}
.badge-cat.coral{border-color:rgba(255,122,89,.5);color:#FF9C82;background:rgba(255,122,89,.1)}
.badge-cat.cyan{border-color:rgba(76,201,240,.5);color:#7BDBFF;background:rgba(76,201,240,.1)}
.tag-pill{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:var(--r-btn);
  border:1px solid var(--line);font-size:13px;color:var(--muted);
  transition:border-color .16s var(--ease),color .16s var(--ease),background .16s var(--ease);
}
.tag-pill:hover{border-color:var(--lime-500);color:var(--lime-500);background:rgba(205,242,80,.06)}

/* ---------- 文章头 ---------- */
.article-hero{padding:44px 0 0;position:relative}
.article-hero::before{
  content:"";position:absolute;inset:0 0 auto 0;height:340px;
  background:linear-gradient(180deg,rgba(122,92,255,.14),rgba(8,9,11,0));
  pointer-events:none;
}
.breadcrumb-nav{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--faint);margin-bottom:20px;position:relative;
}
.breadcrumb-nav a{color:var(--muted)}
.breadcrumb-nav a:hover{color:var(--lime-500)}
.breadcrumb-nav .sep{color:var(--faint);opacity:.6}
.breadcrumb-nav .current{color:var(--faint);max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-title{
  font-size:clamp(30px,3.6vw,44px);line-height:1.25;font-weight:800;letter-spacing:-.02em;
  max-width:820px;position:relative;
}
.article-meta{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  margin-top:22px;font-size:13px;color:var(--muted);position:relative;
}
.meta-sep{width:1px;height:14px;background:var(--line-strong)}
.rule{height:1px;background:var(--line);margin:34px 0 0}
.article-figure{margin:34px 0 0;position:relative}
.article-figure img{
  width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:16px;background:var(--ink-700);
}
.article-figure figcaption{margin-top:12px;font-size:13px;color:var(--faint);text-align:center}

/* ---------- 文章布局 ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:56px;
  padding:48px 0 96px;
}
.article-body{max-width:760px;font-size:17px;line-height:1.9;color:#DEDBD4}
.article-body>*+*{margin-top:1.5em}
.article-body p{margin:0;color:#DEDBD4}
.article-body h2{
  position:relative;font-size:clamp(22px,2.4vw,30px);line-height:1.3;color:var(--paper);
  margin-top:2.5em;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:2px;background:var(--lime-500);border-radius:2px;
}
.article-body h3{
  font-size:20px;line-height:1.35;color:var(--paper);margin-top:2em;
  padding-bottom:10px;border-bottom:1px solid var(--line);
}
.article-body ul,.article-body ol{padding-left:0}
.article-body ul li{position:relative;padding-left:22px;margin-top:.6em;line-height:1.8}
.article-body ul li::before{
  content:"";position:absolute;left:6px;top:.72em;width:6px;height:6px;border-radius:2px;background:var(--lime-500);
}
.article-body ol{counter-reset:li}
.article-body ol li{position:relative;padding-left:28px;margin-top:.6em;counter-increment:li;line-height:1.8}
.article-body ol li::before{
  content:counter(li,decimal-leading-zero);position:absolute;left:0;top:0;font-size:13px;font-weight:700;color:var(--lime-500);
}
.article-body blockquote{
  margin:0;padding:20px 22px;border-left:3px solid var(--lime-500);
  background:var(--ink-800);border-radius:0 var(--r-card) var(--r-card) 0;color:var(--muted);
}
.article-body a{color:var(--paper);border-bottom:2px solid rgba(205,242,80,.6)}
.article-body a:hover{color:var(--lime-500)}
.article-body img{border-radius:var(--r-img);width:100%;height:auto;background:var(--ink-700)}
.article-body table{
  width:100%;border-collapse:collapse;font-size:15px;border-radius:var(--r-card);overflow:hidden;
}
.article-body th,.article-body td{padding:12px 16px;text-align:left;border:0}
.article-body thead th{background:var(--ink-700);color:var(--paper);font-weight:600;font-size:14px}
.article-body tbody tr:nth-child(odd){background:var(--ink-800)}
.article-body tbody tr:nth-child(even){background:var(--ink-700)}
.article-body hr{border:0;height:1px;background:var(--line)}

/* 空态 */
.empty-state{
  border:1px dashed var(--line-strong);border-radius:var(--r-card);
  padding:48px 24px;text-align:center;background:rgba(20,23,27,.4);
}
.empty-state svg{color:var(--muted);margin-bottom:14px}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:20px}

/* ---------- 侧栏 ---------- */
.sidebar{position:sticky;top:96px;align-self:start;display:flex;flex-direction:column;gap:28px}
.side-card{background:var(--ink-800);border:1px solid var(--line);border-radius:var(--r-card);padding:22px}
.side-card h3{font-size:15px;letter-spacing:.02em;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3::before{content:"";width:2px;height:14px;background:var(--lime-500);border-radius:2px}
.rank-list a{
  display:flex;align-items:flex-start;gap:12px;padding:11px 0;border-bottom:1px solid var(--line);
  font-size:14px;line-height:1.6;color:var(--muted);
}
.rank-list a:last-child{border-bottom:0;padding-bottom:0}
.rank-list .num{font-size:13px;font-weight:700;color:var(--violet-500);flex:none;min-width:22px}
.rank-list a:hover{color:var(--lime-500)}
.rank-list a:hover .num{color:var(--lime-500)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.side-entry{
  display:block;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:var(--ink-800);
  transition:border-color .16s var(--ease),transform .16s var(--ease);
}
.side-entry img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--ink-700)}
.side-entry .cap{padding:14px 16px;display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:14px;color:var(--paper)}
.side-entry:hover{border-color:rgba(205,242,80,.35);transform:translateY(-4px)}
.side-entry:hover .cap svg{transform:translateX(4px)}
.side-entry .cap svg{transition:transform .16s var(--ease);color:var(--lime-500)}

/* ---------- 正文下方模块 ---------- */
.after-body{max-width:760px;display:flex;flex-direction:column;gap:44px}
.block-title{font-size:20px;line-height:1.35;margin-bottom:18px;display:flex;align-items:center;gap:10px}
.block-title::before{content:"";width:2px;height:16px;background:var(--lime-500);border-radius:2px}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.card-info{
  display:flex;flex-direction:column;background:var(--ink-800);border:1px solid rgba(255,255,255,.07);
  border-radius:var(--r-card);overflow:hidden;
  transition:transform .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.card-info img{width:100%;aspect-ratio:16/10;object-fit:cover;background:var(--ink-700);transition:transform .25s var(--ease)}
.card-info .body{padding:16px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-info .title{font-size:15px;line-height:1.5;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-info .desc{font-size:13px;color:var(--muted);line-height:1.65;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-info .foot{display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--faint);margin-top:auto}
.card-info:hover{transform:translateY(-4px);border-color:rgba(205,242,80,.35);box-shadow:var(--shadow-card)}
.card-info:hover img{transform:scale(1.04)}
.card-info:hover .title{color:var(--lime-500)}
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.post-nav a{
  background:var(--ink-800);border:1px solid var(--line);border-radius:var(--r-card);padding:20px;
  display:flex;flex-direction:column;gap:8px;transition:background .16s var(--ease),border-color .16s var(--ease);
}
.post-nav a:hover{background:var(--ink-700);border-color:rgba(205,242,80,.3)}
.post-nav .label{font-size:12px;color:var(--faint);display:flex;align-items:center;gap:6px}
.post-nav .txt{font-size:15px;font-weight:600;line-height:1.5}
.post-nav .right{align-items:flex-end;text-align:right}
.back-link{margin-top:-8px}

/* ---------- CTA ---------- */
.cta-band{background:var(--panel);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:72px 0}
.cta-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.cta-inner h2{font-size:clamp(22px,2.6vw,32px);line-height:1.25;margin-bottom:12px}
.cta-inner p{color:var(--muted);font-size:14px;margin:0}
.sub-form{display:flex;gap:12px;flex-wrap:wrap}
.form-control,.field-input{
  height:48px;padding:0 16px;font-size:15px;border-radius:var(--r-input);
  background:var(--ink-800);border:1px solid var(--line);color:var(--paper);box-shadow:none;flex:1;min-width:200px;
}
.form-control::placeholder,.field-input::placeholder{color:var(--faint)}
.form-control:focus,.field-input:focus{
  background:var(--ink-800);color:var(--paper);border-color:var(--lime-500);
  box-shadow:0 0 0 2px rgba(205,242,80,.28);outline:none;
}
.form-note{font-size:12px;color:var(--faint);margin-top:12px}
.form-error{font-size:12px;color:var(--err);margin-top:10px;display:none}
.sub-form.is-error .field-input{border-color:var(--err);box-shadow:0 0 0 2px rgba(255,107,90,.2)}
.sub-form.is-error + .form-error{display:block}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);border-top:1px solid var(--line);padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:13px;color:var(--muted);line-height:1.75;max-width:34ch}
.socials{display:flex;gap:10px;margin-top:20px}
.footer-col h4{font-size:14px;margin-bottom:16px;color:var(--paper)}
.footer-col a{display:block;font-size:14px;color:var(--muted);padding:5px 0;border-bottom:1px solid transparent}
.footer-col a:hover{color:var(--lime-500);border-bottom-color:var(--lime-500)}
.footer-col p{font-size:13px;color:var(--muted);margin:0 0 8px;line-height:1.7}
.footer-bottom{
  border-top:1px solid var(--line);padding:22px 0;display:flex;align-items:center;justify-content:space-between;
  gap:16px;font-size:13px;color:var(--faint);flex-wrap:wrap;
}
.footer-bottom .links a{color:var(--faint);margin-left:18px}
.footer-bottom .links a:hover{color:var(--lime-500)}

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

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:991.98px){
  .site-header{height:64px}
  .nav-toggle{display:inline-flex}
  .nav-main{
    position:fixed;top:0;left:0;height:100vh;width:84vw;max-width:360px;
    background:var(--ink-900);border-right:1px solid var(--line);
    flex-direction:column;align-items:stretch;gap:4px;padding:88px 20px 32px;
    transform:translateX(-100%);transition:transform .2s var(--ease);overflow-y:auto;z-index:85;margin-right:0;
  }
  .nav-main.open{transform:translateX(0)}
  .nav-link{justify-content:space-between;padding:14px 12px;font-size:16px}
  .nav-link.active::after{display:none}
  .nav-link.active{background:rgba(205,242,80,.08)}
  .mega-panel{
    position:static;width:100%;padding:8px 0 12px 12px;border:0;box-shadow:none;background:transparent;
    grid-template-columns:1fr;gap:16px;opacity:1;visibility:visible;transform:none;display:none;
  }
  .nav-item.open .mega-panel{display:grid}
  .header-actions{margin-left:auto}
  .hide-sm{display:none !important}
  .article-layout{grid-template-columns:1fr;gap:40px;padding:36px 0 72px}
  .sidebar{position:static;flex-direction:column}
  .article-body{font-size:16px}
  .cta-inner{grid-template-columns:1fr;gap:24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:72px 0}
  .post-nav{grid-template-columns:1fr}
  .post-nav .right{text-align:left;align-items:flex-start}
}
@media (max-width:767.98px){
  .article-title{letter-spacing:0}
  .article-layout{padding:28px 0 64px}
  .related-grid{grid-template-columns:1fr}
  .article-body{font-size:16px;line-height:1.85}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .footer-bottom .links a{margin-left:0;margin-right:18px}
  .section{padding:56px 0}
  .cta-band{padding:56px 0}
}
@media (max-width:519.98px){
  .header-inner{gap:12px}
  .brand{font-size:17px}
  .btn-main,.btn-ghost{width:100%}
  .sub-form .btn-main{width:100%}
  .article-hero{padding-top:32px}
}

/* roulang page: category2 */
:root{
  --ink-900:#08090B;
  --ink-800:#101215;
  --ink-700:#14171B;
  --panel:#0E1013;
  --line:rgba(255,255,255,.08);
  --line-soft:rgba(255,255,255,.07);
  --paper:#F2F0EB;
  --muted:#9BA1A9;
  --faint:#6B7178;
  --lime-500:#CDF250;
  --lime-600:#B4DC33;
  --violet-500:#7A5CFF;
  --coral:#FF7A59;
  --cyan:#4CC9F0;
  --ok:#4CC9A0;
  --err:#FF6B5A;
  --r-card:14px;
  --r-img:12px;
  --r-tag:6px;
  --r-btn:999px;
  --r-input:10px;
  --shadow-card:0 24px 60px rgba(0,0,0,.55);
  --shadow-panel:0 30px 80px rgba(0,0,0,.7);
  --header-h:72px;
  --header-h-min:60px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--paper);
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus{outline:none}
:focus-visible{outline:2px solid var(--lime-500);outline-offset:2px;border-radius:4px}
::selection{background:rgba(205,242,80,.28);color:#fff}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 20px}
.section{padding:96px 0}
.section-tight{padding:64px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.section-head h2{font-size:clamp(24px,3vw,36px);line-height:1.2}
.section-head .sub{font-size:13px;color:var(--faint);margin-top:8px;max-width:620px}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* ---------- 顶部公告条 ---------- */
.topbar{display:flex;align-items:center;gap:14px;height:40px;background:var(--ink-800);border-bottom:1px solid var(--line)}
.topbar .bar-mark{width:2px;height:16px;background:var(--lime-500);border-radius:2px;flex:0 0 auto}
.topbar p{font-size:13px;color:var(--muted);flex:1 1 auto;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar a{color:var(--lime-500)}
.topbar .bar-close{width:24px;height:24px;border-radius:999px;border:1px solid var(--line);background:transparent;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;flex:0 0 auto;transition:border-color .16s ease-out,color .16s ease-out}
.topbar .bar-close:hover{border-color:rgba(205,242,80,.5);color:var(--lime-500)}

/* ---------- 头部导航 ---------- */
.site-header{position:sticky;top:0;z-index:1040;background:rgba(8,9,11,.86);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;gap:26px;height:var(--header-h);transition:height .18s ease-out}
.site-header.is-scrolled .header-inner{height:var(--header-h-min)}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:800;letter-spacing:-.02em;white-space:nowrap}
.brand-dot{width:12px;height:12px;border-radius:3px;background:var(--lime-500);box-shadow:0 0 0 4px rgba(205,242,80,.12);flex:0 0 auto}
.nav-wrap{flex:1 1 auto;min-width:0}
.nav-main{display:flex;align-items:center;gap:2px}
.nav-link{
  display:inline-flex;align-items:center;gap:6px;
  padding:9px 14px;border-radius:999px;border:0;background:transparent;
  font-size:14.5px;color:var(--muted);cursor:pointer;position:relative;
  transition:color .16s ease-out,background .16s ease-out;white-space:nowrap;
}
.nav-link:hover{color:var(--paper);background:var(--ink-700)}
.nav-link.active{color:var(--lime-500)}
.nav-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--lime-500)}
.nav-item{position:relative}
.header-right{display:flex;align-items:center;gap:12px;margin-left:auto;flex:0 0 auto}
.icon-btn{
  width:40px;height:40px;border-radius:999px;border:1px solid var(--line);background:transparent;
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;color:var(--muted);
  transition:border-color .16s ease-out,color .16s ease-out,background .16s ease-out;
}
.icon-btn:hover{border-color:rgba(205,242,80,.5);color:var(--lime-500);background:rgba(205,242,80,.06)}
.icon-btn.is-active{border-color:rgba(205,242,80,.5);color:var(--lime-500);background:rgba(205,242,80,.08)}
.burger{display:none}

/* ---------- 按钮 ---------- */
.btn-lime{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-btn);border:0;
  background:var(--lime-500);color:#08090B;font-size:15px;font-weight:600;
  cursor:pointer;transition:background .16s ease-out,transform .16s ease-out,box-shadow .16s ease-out;
}
.btn-lime:hover{background:#D8F877;transform:translateY(-2px);box-shadow:0 12px 28px rgba(205,242,80,.22);color:#08090B}
.btn-lime:active{transform:translateY(0)}
.btn-lime.sm{height:40px;padding:0 20px;font-size:14px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.18);background:transparent;color:var(--paper);
  font-size:15px;font-weight:600;cursor:pointer;
  transition:border-color .16s ease-out,color .16s ease-out,background .16s ease-out,transform .16s ease-out;
}
.btn-ghost:hover{border-color:var(--lime-500);color:var(--lime-500);background:rgba(205,242,80,.06);transform:translateY(-2px)}
.btn-ghost[disabled],.btn-lime[disabled]{opacity:.4;pointer-events:none}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--muted);transition:color .16s ease-out}
.link-arrow svg{transition:transform .16s ease-out}
.link-arrow:hover{color:var(--lime-500)}
.link-arrow:hover svg{transform:translateX(4px)}

/* ---------- 标签 / 徽章 ---------- */
.badge-tag{display:inline-flex;align-items:center;height:22px;padding:0 8px;border-radius:var(--r-tag);border:1px solid;font-size:12px;line-height:1;white-space:nowrap}
.tag-lime{color:var(--lime-500);border-color:rgba(205,242,80,.45);background:rgba(205,242,80,.08)}
.tag-violet{color:#A793FF;border-color:rgba(122,92,255,.5);background:rgba(122,92,255,.1)}
.tag-coral{color:#FF9B80;border-color:rgba(255,122,89,.5);background:rgba(255,122,89,.1)}
.tag-cyan{color:#7BD8F8;border-color:rgba(76,201,240,.5);background:rgba(76,201,240,.1)}
.dot{width:8px;height:8px;border-radius:999px;flex:0 0 auto}
.dot-lime{background:var(--lime-500)}
.dot-violet{background:var(--violet-500)}
.dot-coral{background:var(--coral)}
.dot-cyan{background:var(--cyan)}

/* ---------- Mega 面板 ---------- */
.mega-panel{
  position:absolute;top:calc(100% + 14px);right:0;width:min(920px,92vw);
  background:var(--panel);border:1px solid var(--line);border-radius:16px;
  box-shadow:var(--shadow-panel);padding:24px;
  display:grid;grid-template-columns:1.05fr 1.15fr 1fr;gap:24px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .16s ease-out,transform .16s ease-out,visibility .16s ease-out;
  z-index:1060;
}
.nav-item:hover .mega-panel,.nav-item:focus-within .mega-panel,.nav-item.is-open .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-title{font-size:12px;font-weight:600;color:var(--faint);letter-spacing:.08em;text-transform:uppercase;margin-bottom:12px}
.mega-cat{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;font-size:14px;color:var(--muted);transition:background .16s ease-out,color .16s ease-out}
.mega-cat em{margin-left:auto;font-style:normal;font-size:12px;color:var(--faint)}
.mega-cat:hover{background:var(--ink-700);color:var(--paper)}
.mega-cat:hover em{color:var(--lime-500)}
.mega-mini{display:flex;align-items:center;gap:12px;padding:8px;border-radius:10px;font-size:13.5px;color:var(--muted);line-height:1.5;transition:background .16s ease-out,color .16s ease-out}
.mega-mini img{width:60px;height:40px;object-fit:cover;border-radius:8px;background:var(--ink-700);flex:0 0 auto}
.mega-mini span{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mega-mini:hover{background:var(--ink-700);color:var(--paper)}
.mega-entry{display:block;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--ink-800);transition:border-color .16s ease-out,transform .16s ease-out}
.mega-entry:hover{border-color:rgba(205,242,80,.35);transform:translateY(-3px)}
.mega-entry .media{aspect-ratio:16/9;background:var(--ink-700);overflow:hidden}
.mega-entry .media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.mega-entry:hover .media img{transform:scale(1.04)}
.mega-entry .body{padding:12px 14px;display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--muted)}
.mega-entry:hover .body{color:var(--paper)}

/* ---------- 分类头 ---------- */
.cat-head{
  position:relative;min-height:400px;display:flex;align-items:flex-end;
  padding:128px 0 56px;
  background:
    linear-gradient(to top,rgba(8,9,11,.96) 0%,rgba(8,9,11,.74) 46%,rgba(8,9,11,.34) 100%),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.cat-kicker{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.14em;color:var(--lime-500);text-transform:uppercase;margin-bottom:16px}
.cat-head h1{font-size:clamp(32px,5vw,60px);line-height:1.12;font-weight:800;letter-spacing:-.02em}
.cat-head .cat-desc{margin-top:16px;font-size:14px;color:var(--muted);max-width:640px}
.cat-stats{display:flex;flex-wrap:wrap;align-items:center;gap:0;margin-top:28px}
.cat-stats span{font-size:13px;color:var(--faint);padding:0 16px;border-left:1px solid var(--line)}
.cat-stats span:first-child{padding-left:0;border-left:0}
.cat-stats b{display:block;font-size:20px;font-weight:700;color:var(--paper);line-height:1.3}
.breadcrumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--faint);margin-bottom:20px;flex-wrap:wrap}
.breadcrumbs a{color:var(--muted);transition:color .16s ease-out}
.breadcrumbs a:hover{color:var(--lime-500)}
.breadcrumbs .sep{color:rgba(255,255,255,.2)}
.breadcrumbs .cur{color:var(--faint)}

/* ---------- 筛选条 ---------- */
.filter-bar{position:sticky;top:var(--header-h-min);z-index:1020;background:rgba(8,9,11,.86);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.filter-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 20px;flex-wrap:wrap}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{
  height:36px;padding:0 18px;border-radius:999px;border:1px solid var(--line);
  background:transparent;color:var(--muted);font-size:14px;cursor:pointer;
  transition:border-color .16s ease-out,color .16s ease-out,background .16s ease-out;
}
.chip:hover{border-color:rgba(205,242,80,.45);color:var(--paper)}
.chip.is-active{background:var(--lime-500);border-color:var(--lime-500);color:#08090B;font-weight:600}
.view-toggles{display:flex;gap:8px}

/* ---------- 榜单主体 ---------- */
.rank-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:start}
.rank-feature{
  background:var(--ink-800);border:1px solid var(--line-soft);border-radius:var(--r-card);
  overflow:hidden;transition:transform .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out;
}
.rank-feature:hover{transform:translateY(-4px);border-color:rgba(205,242,80,.35);box-shadow:var(--shadow-card)}
.rank-feature .media{position:relative;aspect-ratio:16/9;background:var(--ink-700);overflow:hidden}
.rank-feature .media img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.rank-feature:hover .media img{transform:scale(1.04)}
.rank-feature .media::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(16,18,21,.92),rgba(16,18,21,.15) 55%,rgba(16,18,21,0))}
.rank-feature .media .badge-tag{position:absolute;left:16px;top:16px;z-index:2}
.rank-feature .body{padding:24px}
.rank-feature .body h3{font-size:22px;line-height:1.35;margin-top:6px}
.rank-feature .body p{margin-top:12px;font-size:14.5px;color:var(--muted);line-height:1.8}
.rank-no{
  display:inline-block;font-size:40px;font-weight:800;line-height:1;letter-spacing:-.03em;
  color:transparent;-webkit-text-stroke:1.5px rgba(205,242,80,.55);margin-bottom:6px;
}
.meta-line{display:flex;align-items:center;gap:0;margin-top:18px;padding-top:16px;border-top:1px solid var(--line);flex-wrap:wrap}
.meta-line span{font-size:13px;color:var(--faint);padding:0 14px;border-left:1px solid var(--line)}
.meta-line span:first-child{padding-left:0;border-left:0}
.meta-line b{color:var(--paper);font-weight:600}
.rise{color:var(--ok)}
.fall{color:var(--err)}

.rank-side{display:grid;gap:14px}
.rank-row{
  display:flex;gap:14px;align-items:center;padding:12px;
  background:var(--ink-800);border:1px solid var(--line-soft);border-radius:var(--r-card);
  transition:transform .18s ease-out,border-color .18s ease-out,background .18s ease-out,box-shadow .18s ease-out;
}
.rank-row:hover{transform:translateY(-4px);border-color:rgba(205,242,80,.35);background:var(--ink-700);box-shadow:var(--shadow-card)}
.rank-row .thumb{width:96px;height:64px;border-radius:10px;overflow:hidden;background:var(--ink-700);flex:0 0 auto}
.rank-row .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.rank-row:hover .thumb img{transform:scale(1.04)}
.rank-row .info{min-width:0;flex:1 1 auto}
.rank-row .info h3{font-size:14.5px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .16s ease-out}
.rank-row:hover .info h3{color:var(--lime-500)}
.rank-row .info .row-meta{display:flex;align-items:center;gap:10px;margin-top:8px;flex-wrap:wrap}
.rank-row .info .row-meta em{font-style:normal;font-size:12px;color:var(--faint)}
.rank-row .order{font-size:13px;font-weight:700;color:var(--faint);width:22px;flex:0 0 auto;text-align:center}
.rank-row:hover .order{color:var(--lime-500)}

.entry-card{
  display:flex;align-items:center;gap:16px;padding:18px;
  border:1px dashed rgba(255,255,255,.16);border-radius:var(--r-card);
  transition:border-color .16s ease-out,background .16s ease-out,transform .16s ease-out;
}
.entry-card:hover{border-color:rgba(205,242,80,.45);background:rgba(205,242,80,.04);transform:translateY(-3px)}
.entry-card .info h3{font-size:15px;font-weight:600;transition:color .16s ease-out}
.entry-card:hover .info h3{color:var(--lime-500)}
.entry-card .info p{font-size:13px;color:var(--faint);margin-top:6px}
.entry-card svg{margin-left:auto;color:var(--faint);flex:0 0 auto;transition:transform .16s ease-out,color .16s ease-out}
.entry-card:hover svg{transform:translateX(4px);color:var(--lime-500)}

/* ---------- 排位说明 ---------- */
.how-grid{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start}
.how-intro h2{font-size:clamp(24px,3vw,36px);line-height:1.2}
.how-intro p{margin-top:14px;font-size:14.5px;color:var(--muted)}
.how-list{display:grid;gap:2px;background:var(--line);border-top:1px solid var(--line)}
.how-item{display:flex;gap:20px;padding:24px 4px;background:var(--ink-900);align-items:flex-start}
.how-no{font-size:13px;font-weight:700;color:var(--lime-500);width:30px;flex:0 0 auto;padding-top:4px;letter-spacing:.06em}
.how-item h3{font-size:17px;line-height:1.4}
.how-item p{margin-top:8px;font-size:14px;color:var(--muted);max-width:700px}

/* ---------- 节奏时间线 ---------- */
.timeline-wrap{background:var(--ink-800);border:1px solid var(--line-soft);border-radius:16px;padding:40px}
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;position:relative}
.timeline::before{content:"";position:absolute;left:0;right:0;top:7px;height:1px;background:var(--line)}
.timeline li{position:relative;padding-top:28px}
.timeline li::before{content:"";position:absolute;left:0;top:0;width:14px;height:14px;border-radius:999px;background:var(--ink-900);border:2px solid var(--lime-500)}
.tl-time{display:block;font-size:13px;font-weight:700;color:var(--lime-500);letter-spacing:.06em}
.timeline h3{font-size:16px;margin-top:8px}
.timeline p{margin-top:8px;font-size:13.5px;color:var(--muted);line-height:1.75}

/* ---------- 分页 ---------- */
.pager{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:48px;flex-wrap:wrap}
.page-num{
  width:36px;height:36px;border-radius:999px;border:1px solid var(--line);background:transparent;
  display:inline-flex;align-items:center;justify-content:center;font-size:14px;color:var(--muted);
  cursor:pointer;transition:border-color .16s ease-out,color .16s ease-out,background .16s ease-out;
}
.page-num:hover{border-color:rgba(205,242,80,.5);color:var(--paper)}
.page-num.is-active{background:var(--lime-500);border-color:var(--lime-500);color:#08090B;font-weight:700}
.page-text{font-size:14px;color:var(--muted);padding:8px 14px;border-radius:999px;transition:color .16s ease-out,background .16s ease-out}
.page-text:hover{color:var(--lime-500);background:rgba(205,242,80,.06)}

/* ---------- CTA 带 ---------- */
.cta-band{background:var(--panel);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:72px 0}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.cta-grid h2{font-size:clamp(24px,3vw,34px);line-height:1.25}
.cta-grid .cta-sub{margin-top:14px;font-size:14.5px;color:var(--muted);max-width:520px}
.cta-points{display:flex;gap:24px;margin-top:22px;flex-wrap:wrap}
.cta-points span{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--faint)}
.cta-form{display:flex;gap:12px;flex-wrap:wrap}
.cta-form input{
  flex:1 1 240px;height:48px;padding:0 18px;border-radius:var(--r-input);
  background:var(--ink-800);border:1px solid var(--line);color:var(--paper);font-size:15px;
  transition:border-color .16s ease-out,box-shadow .16s ease-out;
}
.cta-form input::placeholder{color:var(--faint)}
.cta-form input:focus{border-color:var(--lime-500);box-shadow:0 0 0 2px rgba(205,242,80,.25)}
.cta-form input.is-invalid{border-color:var(--err);box-shadow:0 0 0 2px rgba(255,107,90,.18)}
.form-msg{font-size:12px;margin-top:12px;color:var(--faint);min-height:18px}
.form-msg.is-error{color:var(--err)}
.form-msg.is-ok{color:var(--ok)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);border-top:1px solid var(--line);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--muted);max-width:340px;line-height:1.8}
.socials{display:flex;gap:10px;margin-top:22px}
.socials .icon-btn{width:36px;height:36px}
.footer-col h4{font-size:14px;font-weight:600;margin-bottom:16px;color:var(--paper)}
.footer-col a,.footer-col p{display:block;font-size:14px;color:var(--muted);margin-bottom:10px;transition:color .16s ease-out;text-decoration:underline;text-decoration-color:transparent;text-underline-offset:4px;text-decoration-thickness:1px}
.footer-col a:hover{color:var(--lime-500);text-decoration-color:var(--lime-500);text-decoration-thickness:2px}
.footer-col p{text-decoration:none}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;border-top:1px solid var(--line);padding:20px 0;font-size:13px;color:var(--faint);flex-wrap:wrap}
.footer-bottom a{color:var(--faint);transition:color .16s ease-out}
.footer-bottom a:hover{color:var(--lime-500)}
.footer-bottom .fb-links{display:flex;gap:20px}

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

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .rank-grid{grid-template-columns:6fr 6fr}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;row-gap:36px}
}
@media (max-width:991.98px){
  :root{--header-h:64px}
  .section{padding:72px 0}
  .section-tight{padding:56px 0}
  .burger{display:inline-flex}
  .nav-wrap{
    position:fixed;top:0;left:0;bottom:0;width:84vw;max-width:360px;
    background:#0B0D10;border-right:1px solid var(--line);
    padding:88px 18px 32px;overflow-y:auto;z-index:1050;
    transform:translateX(-102%);transition:transform .2s var(--ease);
  }
  .nav-wrap.is-open{transform:translateX(0)}
  .nav-main{flex-direction:column;align-items:stretch;gap:2px}
  .nav-link{width:100%;justify-content:space-between;padding:14px 14px;border-radius:10px;font-size:15px}
  .nav-link.active::after{display:none}
  .nav-link.active{background:rgba(205,242,80,.08)}
  .mega-panel{
    position:static;width:100%;min-width:0;opacity:1;visibility:visible;transform:none;
    display:none;grid-template-columns:1fr;gap:18px;box-shadow:none;margin-top:6px;padding:18px;
  }
  .nav-item.is-open .mega-panel{display:grid}
  .cat-head{min-height:360px;padding:104px 0 48px}
  .filter-bar{top:64px}
  .rank-grid{grid-template-columns:1fr;gap:20px}
  .how-grid{grid-template-columns:1fr;gap:28px}
  .timeline{grid-template-columns:repeat(2,1fr);gap:24px}
  .timeline::before{display:none}
  .timeline li{padding-top:0;padding-left:24px}
  .timeline li::before{top:5px}
  .cta-grid{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767.98px){
  body{font-size:15.5px}
  .section{padding:56px 0}
  .container{padding:0 18px}
  .cat-head h1{letter-spacing:0}
  .cat-stats span{padding:0 12px;font-size:12.5px}
  .cat-stats b{font-size:17px}
  .rank-feature .body{padding:18px}
  .rank-feature .body h3{font-size:19px}
  .rank-row .thumb{width:80px;height:56px}
  .timeline-wrap{padding:26px 20px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .header-inner{gap:14px}
  .brand{font-size:17px}
  .btn-lime.sm{padding:0 16px;height:38px}
  .icon-btn{width:38px;height:38px}
  .timeline{grid-template-columns:1fr}
  .cta-form input{flex:1 1 100%}
  .cta-form .btn-lime{width:100%}
  .pager{gap:8px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category3 */
:root{
  --ink-900:#08090B;
  --ink-800:#101215;
  --ink-700:#14171B;
  --ink-600:#0E1013;
  --line:rgba(255,255,255,.08);
  --paper:#F2F0EB;
  --muted:#9BA1A9;
  --faint:#6B7178;
  --lime-500:#CDF250;
  --lime-600:#B4DC33;
  --violet-500:#7A5CFF;
  --coral:#FF7A59;
  --cyan:#4CC9F0;
  --ok:#4CC9A0;
  --err:#FF6B5A;
  --r-card:14px;
  --r-img:12px;
  --r-tag:6px;
  --r-pill:999px;
  --r-input:10px;
  --shadow-card:0 24px 60px rgba(0,0,0,.55);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--paper);
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color .16s var(--ease),border-color .16s var(--ease),background .16s var(--ease)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.24;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--lime-500);outline-offset:2px;border-radius:6px}

.wrap{width:100%;max-width:1280px;margin:0 auto;padding:0 24px}

/* 按钮 */
.rl-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 28px;border-radius:var(--r-pill);font-size:15px;font-weight:600;white-space:nowrap;transition:transform .16s var(--ease),background .16s var(--ease),color .16s var(--ease),border-color .16s var(--ease),box-shadow .16s var(--ease)}
.rl-btn--primary{background:var(--lime-500);color:#08090B}
.rl-btn--primary:hover{background:var(--lime-600);color:#08090B;transform:translateY(-2px);box-shadow:0 12px 28px rgba(205,242,80,.22)}
.rl-btn--ghost{border:1px solid rgba(255,255,255,.18);color:var(--paper)}
.rl-btn--ghost:hover{border-color:var(--lime-500);color:var(--lime-500);background:rgba(205,242,80,.06)}
.rl-btn--sm{height:40px;padding:0 18px;font-size:14px}
.rl-btn[disabled],.rl-btn.is-disabled{opacity:.4;pointer-events:none}

/* 徽章 */
.rl-badge{display:inline-flex;align-items:center;height:24px;padding:0 9px;border-radius:var(--r-tag);font-size:12px;line-height:1;font-weight:500;border:1px solid transparent;white-space:nowrap}
.rl-badge--lime{color:var(--lime-500);border-color:rgba(205,242,80,.45);background:rgba(205,242,80,.08)}
.rl-badge--violet{color:#A08CFF;border-color:rgba(122,92,255,.45);background:rgba(122,92,255,.1)}
.rl-badge--coral{color:#FF9B82;border-color:rgba(255,122,89,.45);background:rgba(255,122,89,.1)}
.rl-badge--cyan{color:#7BD8F5;border-color:rgba(76,201,240,.45);background:rgba(76,201,240,.1)}

/* 顶部导航 */
.site-header{position:sticky;top:0;z-index:70;background:rgba(8,9,11,.86);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line);transition:background .2s var(--ease),box-shadow .2s var(--ease)}
.site-header.is-scrolled{background:rgba(8,9,11,.96);box-shadow:0 12px 34px rgba(0,0,0,.5)}
.header-inner{display:flex;align-items:center;gap:20px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:800;letter-spacing:-.01em;flex:0 0 auto}
.brand:hover{color:var(--lime-500)}
.brand-dot{width:10px;height:10px;border-radius:3px;background:var(--lime-500);box-shadow:0 0 14px rgba(205,242,80,.6);flex:0 0 auto}
.nav-main{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{display:inline-flex;align-items:center;gap:6px;padding:9px 14px;border-radius:9px;font-size:15px;color:var(--muted);position:relative;transition:color .16s var(--ease),background .16s var(--ease)}
.nav-link:hover{color:var(--paper);background:var(--ink-700)}
.nav-link.active{color:var(--lime-500)}
.nav-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--lime-500)}
.nav-item{position:relative}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;border:1px solid rgba(255,255,255,.14);color:var(--muted);transition:.16s var(--ease)}
.icon-btn:hover{color:var(--lime-500);border-color:rgba(205,242,80,.5);background:rgba(205,242,80,.06)}
.burger{display:none;align-items:center;justify-content:center;width:40px;height:40px;border-radius:10px;border:1px solid rgba(255,255,255,.14);color:var(--paper)}
.burger:hover{border-color:rgba(205,242,80,.5);color:var(--lime-500)}

/* Mega 面板 */
.mega-panel{position:absolute;top:calc(100% + 12px);right:0;width:min(780px,92vw);background:var(--ink-600);border:1px solid var(--line);border-radius:16px;box-shadow:0 30px 80px rgba(0,0,0,.7);padding:22px;display:grid;grid-template-columns:1fr 1.25fr;gap:26px;opacity:0;visibility:hidden;transform:translateY(8px);pointer-events:none;z-index:80;transition:opacity .16s var(--ease) .1s,transform .16s var(--ease) .1s,visibility .16s .1s}
.nav-item:hover .mega-panel,
.nav-item:focus-within .mega-panel,
.nav-item.is-open .mega-panel{opacity:1;visibility:visible;transform:translateY(0);pointer-events:auto;transition-delay:0s}
.mega-title{font-size:12px;font-weight:600;letter-spacing:.12em;color:var(--faint);margin-bottom:10px}
.mega-cat{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;font-size:14px;color:var(--muted);transition:.16s var(--ease)}
.mega-cat em{margin-left:auto;font-style:normal;font-size:12px;color:var(--faint)}
.mega-cat:hover{background:var(--ink-700);color:var(--paper)}
.mega-cat:hover em{color:var(--lime-500)}
.dot{width:8px;height:8px;border-radius:3px;flex:0 0 auto}
.dot-lime{background:var(--lime-500)}
.dot-violet{background:var(--violet-500)}
.dot-coral{background:var(--coral)}
.dot-cyan{background:var(--cyan)}
.mega-mini{display:grid;grid-template-columns:64px 1fr;gap:12px;align-items:center;padding:8px 10px;border-radius:10px;font-size:14px;line-height:1.45;color:var(--muted);transition:.16s var(--ease)}
.mega-mini img{width:64px;height:42px;object-fit:cover;border-radius:8px;background:var(--ink-700)}
.mega-mini:hover{background:var(--ink-700);color:var(--paper)}

/* 移动端菜单 */
.mobile-nav{border-top:1px solid var(--line);background:var(--ink-900)}
.mobile-nav .inner{padding:12px 24px 22px;display:flex;flex-direction:column}
.mobile-nav a{padding:13px 4px;border-bottom:1px solid var(--line);font-size:15px;color:var(--muted);display:flex;align-items:center;justify-content:space-between}
.mobile-nav a:hover{color:var(--paper)}
.mobile-nav a.active{color:var(--lime-500)}

/* 分类头 */
.cat-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);min-height:360px;display:flex;align-items:flex-end}
.cat-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center 35%;background-color:var(--ink-700);animation:heroZoom 20s ease-out forwards}
@keyframes heroZoom{from{transform:scale(1)}to{transform:scale(1.06)}}
.cat-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(8,9,11,.97) 4%,rgba(8,9,11,.78) 44%,rgba(8,9,11,.42) 100%)}
.cat-hero-inner{position:relative;z-index:2;padding-top:108px;padding-bottom:52px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.14em;color:var(--lime-500);margin-bottom:16px}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--lime-500);border-radius:2px}
.cat-hero h1{font-size:clamp(34px,5vw,56px);font-weight:800;letter-spacing:-.02em;line-height:1.12;max-width:900px}
.cat-lead{margin-top:16px;font-size:16px;color:var(--muted);max-width:660px;line-height:1.75}
.cat-stats{display:flex;flex-wrap:wrap;align-items:center;margin-top:22px;font-size:13px;color:var(--faint)}
.cat-stats span{position:relative;padding-left:26px}
.cat-stats span:first-child{padding-left:0}
.cat-stats span:not(:first-child)::before{content:"";position:absolute;left:12px;top:50%;transform:translateY(-50%);width:1px;height:14px;background:var(--line)}
.cat-stats b{color:var(--paper);font-size:15px;font-weight:700;margin-right:4px}

/* 筛选条 */
.filter-bar{position:sticky;top:72px;z-index:50;background:rgba(8,9,11,.86);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.filter-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px;padding-top:10px;padding-bottom:10px}
.pill-group{display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none}
.pill-group::-webkit-scrollbar{display:none}
.pill{display:inline-flex;align-items:center;height:36px;padding:0 18px;border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.16);font-size:14px;color:var(--muted);white-space:nowrap;transition:.16s var(--ease)}
.pill:hover{color:var(--paper);border-color:rgba(255,255,255,.34)}
.pill.is-active{background:var(--lime-500);border-color:var(--lime-500);color:#08090B;font-weight:600}
.view-toggle{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.view-toggle .icon-btn{width:36px;height:36px;border-radius:10px}
.view-toggle .icon-btn.is-active{color:var(--lime-500);border-color:rgba(205,242,80,.5);background:rgba(205,242,80,.06)}

/* 列表区 */
.list-section{padding-bottom:24px}
.list-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:56px;margin-bottom:18px}
.list-head h2{font-size:clamp(22px,2.6vw,30px)}
.list-head .list-note{font-size:13px;color:var(--faint)}

.row-item{display:grid;grid-template-columns:44px 1fr 26px;gap:18px;align-items:center;padding:18px 16px;border-bottom:1px solid var(--line);border-radius:12px;transition:background .16s var(--ease)}
.row-item:hover{background:var(--ink-700)}
.row-num{font-size:20px;font-weight:700;color:var(--faint);font-variant-numeric:tabular-nums;letter-spacing:.02em;transition:color .16s var(--ease)}
.row-item:hover .row-num{color:var(--lime-500)}
.row-main{display:grid;grid-template-columns:160px 1fr auto;gap:20px;align-items:center;min-width:0}
.row-thumb{width:160px;height:100px;object-fit:cover;border-radius:var(--r-img);background:var(--ink-700)}
.row-title{font-size:17px;font-weight:600;line-height:1.45;transition:color .16s var(--ease)}
.row-item:hover .row-title{color:var(--lime-500)}
.row-desc{margin-top:6px;font-size:14px;line-height:1.6;color:var(--muted);max-width:560px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.row-side{display:flex;flex-direction:column;align-items:flex-end;gap:8px;flex:0 0 auto}
.row-date{font-size:13px;color:var(--faint);font-variant-numeric:tabular-nums}
.row-arrow{display:inline-flex;align-items:center;justify-content:center;color:var(--faint);transition:transform .16s var(--ease),color .16s var(--ease)}
.row-item:hover .row-arrow{color:var(--lime-500);transform:translateX(4px)}

/* 分页 */
.pager{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;padding:44px 0 8px}
.pager-num{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;border:1px solid rgba(255,255,255,.16);font-size:14px;color:var(--muted);font-variant-numeric:tabular-nums;transition:.16s var(--ease)}
.pager-num:hover{border-color:var(--lime-500);color:var(--lime-500)}
.pager-num.is-active{background:var(--lime-500);border-color:var(--lime-500);color:#08090B;font-weight:700}
.pager-text{display:inline-flex;align-items:center;height:36px;padding:0 14px;font-size:14px;color:var(--muted);transition:.16s var(--ease)}
.pager-text:hover{color:var(--lime-500)}

/* 问答区 */
.q-section{border-top:1px solid var(--line);background:var(--ink-600);padding:96px 0}
.q-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:64px;align-items:start}
.q-lead h2{font-size:clamp(24px,3vw,36px);line-height:1.24}
.q-lead p{margin-top:18px;font-size:16px;line-height:1.85;color:var(--muted);max-width:520px}
.q-points{margin-top:26px;display:flex;flex-direction:column;gap:14px}
.q-points li{display:flex;align-items:flex-start;gap:12px;font-size:15px;color:var(--paper);line-height:1.6}
.q-points li svg{flex:0 0 auto;margin-top:4px;color:var(--lime-500)}
.q-actions{margin-top:34px;display:flex;gap:14px;flex-wrap:wrap}

.q-item{border-bottom:1px solid var(--line)}
.q-item:first-child{border-top:1px solid var(--line)}
.q-item summary{position:relative;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:22px 4px;font-size:16px;font-weight:600;cursor:pointer;list-style:none;transition:color .16s var(--ease)}
.q-item summary::-webkit-details-marker{display:none}
.q-item summary::after{content:"";flex:0 0 auto;width:10px;height:10px;border-right:1.5px solid var(--faint);border-bottom:1.5px solid var(--faint);transform:rotate(45deg);transition:transform .18s var(--ease),border-color .18s var(--ease);margin-right:6px}
.q-item[open] summary::after{transform:rotate(-135deg);border-color:var(--lime-500)}
.q-item[open] summary{color:var(--lime-500)}
.q-item summary:hover{color:var(--lime-500)}
.q-item[open] summary::before{content:"";position:absolute;left:-16px;top:20px;bottom:20px;width:2px;border-radius:2px;background:var(--lime-500)}
.q-item .q-answer{padding:0 4px 24px;font-size:15px;line-height:1.85;color:var(--muted);max-width:760px}

/* 页脚 */
.site-footer{background:var(--ink-900);border-top:1px solid var(--line);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:44px;padding-bottom:44px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--muted);max-width:330px;line-height:1.75}
.socials{display:flex;gap:10px;margin-top:20px}
.footer-col h4{font-size:14px;font-weight:600;color:var(--paper);margin-bottom:14px;letter-spacing:.02em}
.footer-col a{display:block;font-size:14px;color:var(--muted);padding:6px 0;text-decoration:underline;text-decoration-color:transparent;text-decoration-thickness:1px;text-underline-offset:4px;transition:.16s var(--ease)}
.footer-col a:hover{color:var(--lime-500);text-decoration-color:var(--lime-500);text-decoration-thickness:2px}
.footer-col p{font-size:14px;color:var(--muted);padding:6px 0}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:22px;font-size:13px;color:var(--faint)}
.footer-bottom-links{display:flex;gap:20px}
.footer-bottom-links a:hover{color:var(--lime-500)}

/* 入场动效 */
.anim-ready .fade-up{opacity:0;transform:translateY(12px);transition:opacity .55s var(--ease),transform .55s var(--ease)}
.anim-ready .fade-up.is-visible{opacity:1;transform:none}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  .anim-ready .fade-up{opacity:1;transform:none}
}

/* 响应式 */
@media (max-width:1199.98px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:36px}
  .footer-col:last-child{grid-column:1 / -1}
}
@media (max-width:991.98px){
  .nav-main{display:none}
  .burger{display:inline-flex}
  .mobile-nav{display:block}
  .header-inner{height:64px}
  .filter-bar{top:64px}
  .cat-hero-inner{padding-top:84px;padding-bottom:44px}
  .q-grid{grid-template-columns:1fr;gap:36px}
  .q-section{padding:72px 0}
  .row-item{grid-template-columns:36px 1fr 24px;gap:14px}
  .row-main{grid-template-columns:130px 1fr auto;gap:16px}
  .row-thumb{width:130px;height:82px}
  .row-desc{max-width:420px}
}
@media (min-width:992px){
  .mobile-nav{display:none !important}
}
@media (max-width:767.98px){
  .wrap{padding:0 20px}
  .header-actions .rl-btn{display:none}
  .cat-hero{min-height:320px}
  .cat-hero-inner{padding-top:72px;padding-bottom:36px}
  .cat-lead{font-size:15px}
  .cat-stats{font-size:12px}
  .cat-stats span{padding-left:18px}
  .cat-stats span:not(:first-child)::before{left:8px}
  .list-head{padding-top:44px}
  .row-item{display:block;padding:16px 8px}
  .row-num{display:none}
  .row-main{grid-template-columns:1fr;gap:12px}
  .row-thumb{width:100%;height:170px}
  .row-side{flex-direction:row;align-items:center;gap:12px}
  .row-arrow{display:none}
  .row-desc{max-width:none}
  .q-section{padding:56px 0}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:28px}
  .footer-col:last-child{grid-column:auto}
  .pager{padding:32px 0 4px}
}