/* roulang page: index */
:root{
  --yx-bg:#0B0D0C;
  --yx-surface:#14171A;
  --yx-surface-2:#1B1F22;
  --yx-primary:#17E0A8;
  --yx-accent:#D8FF3E;
  --yx-warn:#FF6A3D;
  --yx-text:#F2F5F3;
  --yx-text-2:#A3ADA8;
  --yx-text-3:#6C7671;
  --yx-line:rgba(255,255,255,.08);
  --yx-line-strong:rgba(255,255,255,.18);
  --yx-line-active:rgba(23,224,168,.45);
  --yx-radius:14px;
  --yx-radius-poster:12px;
  --yx-radius-badge:4px;
  --yx-shadow:0 18px 40px rgba(0,0,0,.45);
  --yx-shadow-hero:0 26px 60px rgba(0,0,0,.55);
  --yx-ease:cubic-bezier(.22,.61,.36,1);
  --yx-gap:96px;
  --yx-font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --yx-num:"Inter","PingFang SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--yx-bg);
  color:var(--yx-text);
  font-family:var(--yx-font);
  font-size:1.0625rem;
  line-height:1.9;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .18s var(--yx-ease)}
button,input{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--yx-primary);outline-offset:2px;border-radius:6px}
::selection{background:rgba(23,224,168,.3);color:#fff}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:#0F1211}
::-webkit-scrollbar-thumb{background:#2A3130;border-radius:999px;border:2px solid #0F1211}
::-webkit-scrollbar-thumb:hover{background:#3A4442}

.grid-container{max-width:1240px;padding-left:32px;padding-right:32px}
.grid-container.full{padding-left:0;padding-right:0;max-width:none}
body p{color:var(--yx-text-2)}

/* ============ 导航 ============ */
.yx-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  height:72px;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .22s var(--yx-ease),border-color .22s var(--yx-ease),backdrop-filter .22s var(--yx-ease);
}
.yx-header.is-stuck{
  background:rgba(11,13,12,.86);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom-color:var(--yx-line);
}
.yx-nav{height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.yx-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.yx-logo-mark{width:30px;height:30px;flex:0 0 auto;display:block}
.yx-logo-text{font-size:1.0625rem;font-weight:800;letter-spacing:.02em;color:var(--yx-text);white-space:nowrap}
.yx-logo-text em{font-style:normal;color:var(--yx-primary)}
.yx-nav-links{display:flex;align-items:center;gap:26px;margin:0}
.yx-nav-links a{
  position:relative;
  font-size:.875rem;
  letter-spacing:.02em;
  color:var(--yx-text-2);
  padding:6px 0;
  white-space:nowrap;
}
.yx-nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--yx-primary);transform:scaleX(0);transform-origin:left;
  transition:transform .2s var(--yx-ease);
}
.yx-nav-links a:hover{color:var(--yx-text)}
.yx-nav-links a:hover::after{transform:scaleX(1)}
.yx-nav-links a.is-active{color:var(--yx-text)}
.yx-nav-links a.is-active::after{transform:scaleX(1)}
.yx-nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.yx-icon-btn{
  width:36px;height:36px;border-radius:999px;border:1px solid var(--yx-line-strong);
  display:inline-flex;align-items:center;justify-content:center;
  background:transparent;cursor:pointer;color:var(--yx-text-2);
  transition:border-color .12s var(--yx-ease),color .12s var(--yx-ease);
}
.yx-icon-btn:hover{border-color:var(--yx-primary);color:var(--yx-primary)}
.yx-burger{display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--yx-line-strong);background:transparent;align-items:center;justify-content:center;cursor:pointer;color:var(--yx-text)}
.yx-burger span{display:block;width:18px;height:2px;background:currentColor;position:relative}
.yx-burger span::before,.yx-burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor}
.yx-burger span::before{top:-6px}
.yx-burger span::after{top:6px}

.yx-drawer{
  position:fixed;inset:0;z-index:80;background:var(--yx-surface);
  transform:translateX(100%);transition:transform .22s var(--yx-ease);
  display:flex;flex-direction:column;padding:20px;
}
.yx-drawer.is-open{transform:translateX(0)}
.yx-drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--yx-line)}
.yx-drawer-close{width:44px;height:44px;border-radius:10px;border:1px solid var(--yx-line-strong);background:transparent;color:var(--yx-text);cursor:pointer;font-size:1.25rem;line-height:1}
.yx-drawer-list{flex:1;overflow-y:auto;margin-top:8px}
.yx-drawer-list a{
  display:flex;align-items:center;justify-content:space-between;
  height:56px;border-bottom:1px solid var(--yx-line);
  font-size:1rem;color:var(--yx-text);
}
.yx-drawer-list a span{color:var(--yx-text-3);font-size:.8125rem}
.yx-drawer-foot{padding-top:16px;display:grid;gap:10px}

/* ============ 按钮 ============ */
.yx-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 26px;border-radius:999px;
  font-size:.9375rem;font-weight:600;letter-spacing:.02em;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .12s var(--yx-ease),box-shadow .12s var(--yx-ease),border-color .12s var(--yx-ease),color .12s var(--yx-ease),filter .12s var(--yx-ease);
}
.yx-btn--primary{background:var(--yx-primary);color:#0B0D0C}
.yx-btn--primary:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 10px 26px rgba(23,224,168,.28)}
.yx-btn--primary:active{transform:translateY(0);box-shadow:none}
.yx-btn--ghost{background:transparent;border-color:var(--yx-line-strong);color:var(--yx-text)}
.yx-btn--ghost:hover{border-color:var(--yx-primary);color:var(--yx-primary)}
.yx-btn--sm{height:38px;padding:0 18px;font-size:.875rem}
.yx-text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:.875rem;color:var(--yx-text-3);
  border-bottom:2px solid transparent;padding-bottom:4px;
  transition:color .12s var(--yx-ease),border-color .12s var(--yx-ease);
}
.yx-text-link:hover{color:var(--yx-primary);border-bottom-color:var(--yx-primary)}

/* ============ Hero ============ */
.yx-hero{
  position:relative;min-height:88vh;display:flex;align-items:flex-end;
  padding:140px 0 56px;overflow:hidden;isolation:isolate;
}
.yx-hero-bg{
  position:absolute;inset:0;z-index:-2;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  transform:scale(1.02);
}
.yx-hero-veil{
  position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,rgba(11,13,12,.72) 0%,rgba(11,13,12,.42) 34%,rgba(11,13,12,.94) 100%),
             radial-gradient(60% 60% at 12% 82%,rgba(23,224,168,.16),transparent 70%);
}
.yx-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.8125rem;letter-spacing:.08em;color:var(--yx-accent);
  text-transform:none;margin-bottom:18px;
}
.yx-kicker::before{content:"";width:22px;height:1px;background:var(--yx-accent);display:block}
.yx-hero-title{
  font-size:clamp(2.4rem,5vw,4.4rem);
  font-weight:900;line-height:1.06;letter-spacing:-.02em;
  color:#fff;margin-bottom:20px;max-width:20ch;
}
.yx-hero-title mark{background:none;color:var(--yx-accent)}
.yx-hero-sub{font-size:1.0625rem;line-height:1.9;color:#C7D0CC;max-width:46ch;margin-bottom:30px}
.yx-hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:52px}
.yx-hero-strip{display:flex;gap:14px;flex-wrap:wrap}
.yx-hero-chip{
  flex:1 1 200px;max-width:250px;padding:10px;border-radius:var(--yx-radius-poster);
  background:rgba(20,23,26,.82);border:1px solid var(--yx-line);
  box-shadow:var(--yx-shadow-hero);
  transition:transform .18s var(--yx-ease),border-color .18s var(--yx-ease);
}
.yx-hero-chip:hover{transform:translateY(-3px);border-color:var(--yx-line-active)}
.yx-hero-chip-media{display:block;aspect-ratio:16/10;border-radius:8px;overflow:hidden;margin-bottom:10px}
.yx-hero-chip-media img{width:100%;height:100%;object-fit:cover}
.yx-hero-chip-text{display:block;font-size:.8125rem;color:var(--yx-text);margin-bottom:8px}
.yx-progress{display:block;height:3px;border-radius:999px;background:rgba(255,255,255,.12);overflow:hidden}
.yx-progress i{display:block;height:100%;background:var(--yx-primary);border-radius:999px}

/* ============ 通用板块 ============ */
.yx-main{display:block}
.yx-section{padding:var(--yx-gap) 0}
.yx-section--tight{padding:64px 0}
.yx-section--alt{background:#0E1110;border-top:1px solid var(--yx-line);border-bottom:1px solid var(--yx-line)}
.yx-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:34px;flex-wrap:wrap}
.yx-head-title{font-size:clamp(1.5rem,2.4vw,1.9rem);font-weight:700;letter-spacing:-.01em;color:var(--yx-text)}
.yx-head-desc{font-size:.875rem;color:var(--yx-text-3);margin-top:6px;max-width:56ch}
.yx-eyebrow{
  display:block;font-size:.75rem;letter-spacing:.14em;color:var(--yx-primary);
  margin-bottom:8px;
}
.yx-badge{
  display:inline-block;padding:2px 8px;border-radius:var(--yx-radius-badge);
  font-size:.75rem;line-height:1.7;letter-spacing:.02em;
}
.yx-badge--cat{background:rgba(23,224,168,.12);color:var(--yx-primary)}
.yx-badge--hot{background:rgba(255,106,61,.14);color:var(--yx-warn)}
.yx-badge--soft{background:rgba(255,255,255,.06);color:var(--yx-text-2)}
.yx-meta{font-size:.8125rem;color:var(--yx-text-3);font-variant-numeric:tabular-nums}

/* ============ 横滑内容库 ============ */
.yx-rail{
  display:flex;gap:16px;overflow-x:auto;padding-bottom:14px;
  scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
}
.yx-poster-card{
  position:relative;flex:0 0 auto;width:168px;scroll-snap-align:start;
  border-radius:var(--yx-radius-poster);overflow:hidden;
  background:var(--yx-surface);border:1px solid var(--yx-line);
  box-shadow:var(--yx-shadow);
  transition:transform .18s var(--yx-ease),border-color .18s var(--yx-ease);
}
.yx-poster-card:hover{transform:scale(1.03);border-color:var(--yx-line-active)}
.yx-poster-media{aspect-ratio:2/3;overflow:hidden;position:relative;background:#0F1211}
.yx-poster-media img{width:100%;height:100%;object-fit:cover}
.yx-poster-play{
  position:absolute;right:10px;bottom:10px;width:34px;height:34px;border-radius:999px;
  background:rgba(11,13,12,.72);border:1px solid var(--yx-line-active);
  display:flex;align-items:center;justify-content:center;color:var(--yx-primary);
  opacity:0;transform:translateY(6px);
  transition:opacity .18s var(--yx-ease),transform .18s var(--yx-ease);
}
.yx-poster-card:hover .yx-poster-play{opacity:1;transform:translateY(0)}
.yx-poster-info{padding:14px 14px 16px;transition:transform .18s var(--yx-ease)}
.yx-poster-card:hover .yx-poster-info{transform:translateY(-6px)}
.yx-poster-title{
  font-size:.9375rem;font-weight:600;line-height:1.55;color:var(--yx-text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  margin-bottom:8px;
}
.yx-poster-foot{display:flex;align-items:center;justify-content:space-between;gap:8px}

/* ============ 榜单 ============ */
.yx-rank-list{display:grid;gap:6px}
.yx-rank-row{
  display:grid;grid-template-columns:64px 96px 1fr auto;align-items:center;gap:18px;
  padding:14px 18px;border-radius:var(--yx-radius);
  border:1px solid transparent;transition:background .18s var(--yx-ease),border-color .18s var(--yx-ease),transform .18s var(--yx-ease);
}
.yx-rank-row:hover{background:var(--yx-surface);border-color:var(--yx-line-active);transform:translateX(3px)}
.yx-rank-num{
  font-family:var(--yx-num);font-size:1.9rem;font-weight:800;letter-spacing:-.03em;
  color:var(--yx-accent);font-variant-numeric:tabular-nums;line-height:1;
}
.yx-rank-media{width:96px;aspect-ratio:2/3;border-radius:8px;overflow:hidden;background:#0F1211}
.yx-rank-media img{width:100%;height:100%;object-fit:cover}
.yx-rank-title{display:block;font-size:1.0625rem;font-weight:600;color:var(--yx-text);margin-bottom:4px}
.yx-rank-meta{display:block;font-size:.8125rem;color:var(--yx-text-3)}
.yx-rank-tag{font-size:.75rem;color:var(--yx-warn);letter-spacing:.06em}

/* ============ Bento 专题 ============ */
.yx-bento{display:grid;grid-template-columns:2fr 1fr 1fr;gap:16px}
.yx-bento-item{
  position:relative;border-radius:var(--yx-radius);overflow:hidden;
  background:var(--yx-surface);border:1px solid var(--yx-line);
  min-height:250px;display:flex;align-items:flex-end;padding:22px;
  transition:border-color .18s var(--yx-ease),transform .18s var(--yx-ease);
}
.yx-bento-item:hover{border-color:var(--yx-line-active);transform:translateY(-3px)}
.yx-bento-item img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;opacity:.5}
.yx-bento-item::after{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(180deg,rgba(11,13,12,.15),rgba(11,13,12,.9))}
.yx-bento-body{position:relative;z-index:2}
.yx-bento-body h3{font-size:1.125rem;font-weight:600;color:#fff;margin-bottom:6px}
.yx-bento-body p{font-size:.8125rem;color:#B6C0BB;line-height:1.7}
.yx-bento-item--wide{min-height:320px;grid-row:span 1}
.yx-bento-item--wide h3{font-size:1.4rem}

/* ============ 左文右卡 ============ */
.yx-split{display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:center}
.yx-split h2{font-size:clamp(1.5rem,2.4vw,1.9rem);font-weight:700;letter-spacing:-.01em;margin-bottom:16px}
.yx-split p{margin-bottom:14px}
.yx-split-points{display:grid;gap:10px;margin:22px 0 26px}
.yx-split-points li{display:flex;gap:10px;font-size:.9375rem;color:var(--yx-text-2)}
.yx-split-points li::before{content:"";flex:0 0 auto;width:6px;height:6px;margin-top:11px;border-radius:2px;background:var(--yx-primary)}
.yx-split-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.yx-mini-card{
  border-radius:var(--yx-radius);overflow:hidden;background:var(--yx-surface);
  border:1px solid var(--yx-line);box-shadow:var(--yx-shadow);
  transition:border-color .18s var(--yx-ease),transform .18s var(--yx-ease);
}
.yx-mini-card:hover{border-color:var(--yx-line-active);transform:translateY(-4px)}
.yx-mini-card .yx-thumb{aspect-ratio:16/10;overflow:hidden;background:#0F1211}
.yx-mini-card .yx-thumb img{width:100%;height:100%;object-fit:cover}
.yx-mini-card-body{padding:14px 16px 18px}
.yx-mini-card-body h3{font-size:.9375rem;font-weight:600;color:var(--yx-text);line-height:1.6;margin-bottom:8px}
.yx-mini-card-body p{font-size:.8125rem;line-height:1.7;color:var(--yx-text-2);margin-bottom:10px}

/* ============ 标签筛选 + 四列 ============ */
.yx-chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.yx-chip{
  height:36px;padding:0 16px;border-radius:999px;display:inline-flex;align-items:center;
  border:1px solid var(--yx-line);background:transparent;color:var(--yx-text-2);
  font-size:.875rem;cursor:pointer;transition:all .12s var(--yx-ease);
}
.yx-chip:hover{border-color:var(--yx-primary);color:var(--yx-primary)}
.yx-chip.is-on{background:rgba(23,224,168,.12);border-color:var(--yx-line-active);color:var(--yx-primary)}
.yx-grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.yx-card{
  border-radius:var(--yx-radius);overflow:hidden;background:var(--yx-surface);
  border:1px solid var(--yx-line);
  display:flex;flex-direction:column;
  transition:border-color .18s var(--yx-ease),transform .18s var(--yx-ease),box-shadow .18s var(--yx-ease);
}
.yx-card:hover{border-color:var(--yx-line-active);transform:translateY(-4px);box-shadow:var(--yx-shadow)}
.yx-card .yx-thumb{aspect-ratio:2/3;overflow:hidden;background:#0F1211}
.yx-card .yx-thumb img{width:100%;height:100%;object-fit:cover}
.yx-card-body{padding:16px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.yx-card-body h3{font-size:1rem;font-weight:600;line-height:1.6;color:var(--yx-text)}
.yx-card-body p{font-size:.8125rem;line-height:1.7;color:var(--yx-text-2)}
.yx-card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px}

/* ============ 更新节奏数据 ============ */
.yx-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:34px}
.yx-stat{
  padding:22px;border-radius:var(--yx-radius);
  background:var(--yx-surface);border:1px solid var(--yx-line);
}
.yx-stat-num{
  display:block;font-family:var(--yx-num);font-size:2.2rem;font-weight:800;
  letter-spacing:-.03em;color:var(--yx-primary);line-height:1.1;
  font-variant-numeric:tabular-nums;margin-bottom:8px;
}
.yx-stat-label{display:block;font-size:.875rem;color:var(--yx-text-2)}
.yx-quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.yx-quote{
  padding:22px;border-radius:var(--yx-radius);
  background:var(--yx-surface-2);border-left:2px solid var(--yx-primary);
}
.yx-quote p{font-size:.9375rem;line-height:1.8;color:var(--yx-text);margin-bottom:12px}
.yx-quote span{font-size:.8125rem;color:var(--yx-text-3)}

/* ============ CMS 最新信息 ============ */
.yx-news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.yx-news-card{
  position:relative;padding:22px 24px;border-radius:var(--yx-radius);
  background:var(--yx-surface);border:1px solid var(--yx-line);
  border-left:2px solid transparent;
  transition:transform .18s var(--yx-ease),border-color .18s var(--yx-ease),background .18s var(--yx-ease);
}
.yx-news-card:hover{transform:translateX(2px);border-left-color:var(--yx-primary);background:var(--yx-surface-2)}
.yx-news-card h3{font-size:1.125rem;font-weight:600;line-height:1.6;margin:12px 0 10px}
.yx-news-card h3 a{color:var(--yx-text)}
.yx-news-card h3 a:hover{color:var(--yx-primary)}
.yx-news-sum{
  font-size:.9375rem;line-height:1.8;color:var(--yx-text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  margin-bottom:16px;
}
.yx-news-foot{display:flex;align-items:center;justify-content:space-between;gap:12px}
.yx-news-foot time{font-family:var(--yx-num);font-size:.8125rem;color:var(--yx-text-3);font-variant-numeric:tabular-nums}
.yx-empty{
  min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;text-align:center;border:1px dashed var(--yx-line-strong);border-radius:var(--yx-radius);
}
.yx-empty svg{color:var(--yx-text-3)}
.yx-empty p{font-size:.9375rem;color:var(--yx-text-3);margin:0}

/* ============ FAQ ============ */
.yx-faq{border-top:1px solid var(--yx-line);background:transparent;margin:0}
.yx-faq .accordion-item{border-bottom:1px solid var(--yx-line);background:transparent}
.yx-faq .accordion-title{
  border:0;background:transparent;padding:22px 44px 22px 0;
  font-size:1rem;font-weight:600;color:var(--yx-text);position:relative;
  transition:color .12s var(--yx-ease);
}
.yx-faq .accordion-title:hover{color:var(--yx-primary);background:transparent}
.yx-faq .accordion-title::before{
  content:"+";position:absolute;right:6px;top:50%;transform:translateY(-50%);
  font-size:1.3rem;font-weight:400;color:var(--yx-primary);
  transition:transform .22s var(--yx-ease);border:0;margin:0;width:auto;height:auto;
}
.yx-faq .accordion-item.is-active .accordion-title::before{content:"−";transform:translateY(-50%) rotate(180deg)}
.yx-faq .accordion-content{padding:0 44px 24px 0;background:transparent;border:0;color:var(--yx-text-2)}
.yx-faq .accordion-content p{max-width:72ch;font-size:.9375rem;line-height:1.9}

/* ============ CTA 横幅 ============ */
.yx-cta{
  position:relative;overflow:hidden;
  border-top:1px solid var(--yx-line);border-bottom:1px solid var(--yx-line);
  background:#0E1110;padding:80px 0;
}
.yx-cta::before{
  content:"";position:absolute;top:-30%;left:50%;transform:translateX(-50%);
  width:60%;height:160%;border-radius:50%;
  background:radial-gradient(circle,rgba(23,224,168,.12),transparent 68%);
  pointer-events:none;
}
.yx-cta-inner{position:relative;display:grid;grid-template-columns:1fr auto;gap:36px;align-items:center}
.yx-cta h2{font-size:clamp(1.5rem,2.4vw,1.9rem);font-weight:700;letter-spacing:-.01em;margin-bottom:10px}
.yx-cta p{font-size:.9375rem;color:var(--yx-text-2);max-width:52ch;margin:0}
.yx-form{display:flex;gap:12px;align-items:flex-end;flex-wrap:wrap}
.yx-field{display:flex;flex-direction:column;gap:8px}
.yx-field label{font-size:.75rem;letter-spacing:.06em;color:var(--yx-text-2)}
.yx-input{
  height:46px;width:280px;max-width:100%;padding:0 16px;border-radius:999px;
  background:transparent;border:1px solid rgba(255,255,255,.12);color:var(--yx-text);
  transition:border-color .12s var(--yx-ease),box-shadow .12s var(--yx-ease);
}
.yx-input::placeholder{color:var(--yx-text-3)}
.yx-input:focus{outline:none;border-color:var(--yx-primary);box-shadow:0 0 0 2px rgba(23,224,168,.2)}

/* ============ 页脚 ============ */
.yx-footer{background:#090B0A;padding:72px 0 0;border-top:1px solid var(--yx-line)}
.yx-footer-cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding-bottom:48px}
.yx-footer h3{
  font-size:.8125rem;letter-spacing:.08em;color:var(--yx-primary);
  font-weight:600;margin-bottom:18px;
}
.yx-footer-links{display:grid;gap:11px}
.yx-footer-links a,.yx-footer-links span{font-size:.875rem;color:var(--yx-text-2)}
.yx-footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:6px;text-decoration-color:var(--yx-primary);text-decoration-thickness:2px}
.yx-footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.yx-footer-brand strong{font-size:1.0625rem;font-weight:800;color:#fff}
.yx-footer-about{font-size:.875rem;line-height:1.9;color:var(--yx-text-3);max-width:34ch}
.yx-footer-bar{
  border-top:1px solid var(--yx-line);
  padding:22px 0 30px;display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;
  font-size:.8125rem;color:var(--yx-text-3);
}
.yx-footer-bar a{color:var(--yx-text-3)}
.yx-footer-bar a:hover{color:var(--yx-primary)}

/* ============ 入场动画 ============ */
.yx-reveal{opacity:0;transform:translateY(12px);transition:opacity .26s var(--yx-ease),transform .26s var(--yx-ease)}
.yx-reveal.is-in{opacity:1;transform:none}

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

/* ============ 响应式 ============ */
@media screen and (max-width:1280px){
  .yx-grid-4{grid-template-columns:repeat(3,1fr)}
}
@media screen and (max-width:1024px){
  :root{--yx-gap:72px}
  .yx-nav-links{display:none}
  .yx-burger{display:inline-flex}
  .yx-nav-actions .yx-btn{display:none}
  .yx-hero{min-height:76vh;padding:120px 0 44px}
  .yx-bento{grid-template-columns:1fr 1fr}
  .yx-bento-item--wide{grid-column:span 2}
  .yx-split{grid-template-columns:1fr;gap:28px}
  .yx-grid-4{grid-template-columns:repeat(2,1fr)}
  .yx-stats{grid-template-columns:repeat(2,1fr)}
  .yx-quotes{grid-template-columns:1fr}
  .yx-cta-inner{grid-template-columns:1fr}
  .yx-footer-cols{grid-template-columns:1fr 1fr}
}
@media screen and (max-width:640px){
  :root{--yx-gap:56px}
  .grid-container{padding-left:20px;padding-right:20px}
  .yx-hero{min-height:66vh;padding:104px 0 36px}
  .yx-hero-actions{margin-bottom:34px}
  .yx-hero-actions .yx-btn{flex:1 1 auto}
  .yx-hero-chip{flex:1 1 100%;max-width:none}
  .yx-poster-card{width:140px}
  .yx-poster-media{aspect-ratio:2/3}
  .yx-rank-row{grid-template-columns:44px 68px 1fr;gap:12px;padding:12px}
  .yx-rank-media{width:68px}
  .yx-rank-tag{display:none}
  .yx-rank-num{font-size:1.4rem}
  .yx-bento{grid-template-columns:1fr}
  .yx-bento-item--wide{grid-column:span 1;min-height:240px}
  .yx-split-cards{grid-template-columns:1fr}
  .yx-grid-4{grid-template-columns:repeat(2,1fr)}
  .yx-news-grid{grid-template-columns:1fr}
  .yx-stats{grid-template-columns:1fr 1fr;gap:12px}
  .yx-stat{padding:16px}
  .yx-stat-num{font-size:1.7rem}
  .yx-input{width:100%}
  .yx-form{width:100%}
  .yx-form .yx-field{flex:1 1 100%}
  .yx-form .yx-btn{width:100%}
  .yx-footer-cols{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .yx-footer-bar{flex-direction:column;gap:8px}
}

/* roulang page: article */
:root{
  --yx-primary:#17E0A8;
  --yx-accent:#D8FF3E;
  --yx-warn:#FF6A3D;
  --yx-bg:#0B0D0C;
  --yx-surface:#14171A;
  --yx-surface-2:#1B1F22;
  --yx-text:#F2F5F3;
  --yx-text-2:#A3ADA8;
  --yx-text-3:#6C7671;
  --yx-line:rgba(255,255,255,.08);
  --yx-line-active:rgba(23,224,168,.45);
  --yx-radius:14px;
  --yx-radius-sm:12px;
  --yx-radius-pill:999px;
  --yx-shadow:0 18px 40px rgba(0,0,0,.45);
  --yx-shadow-lg:0 26px 60px rgba(0,0,0,.55);
  --yx-ease:cubic-bezier(.22,.61,.36,1);
  --yx-gap:96px;
  --yx-font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--yx-bg);
  color:var(--yx-text);
  font-family:var(--yx-font);
  font-size:17px;
  line-height:1.9;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color 160ms var(--yx-ease);}
a:hover,a:focus{color:var(--yx-primary);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.2;}
p{margin:0;}
ul,ol{margin:0;}
input{font-family:inherit;}
::selection{background:rgba(23,224,168,.28);color:#fff;}
:focus-visible{outline:2px solid var(--yx-primary);outline-offset:2px;border-radius:4px;}
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:#0F1211;}
::-webkit-scrollbar-thumb{background:#242A28;border-radius:999px;border:2px solid #0F1211;}
::-webkit-scrollbar-thumb:hover{background:#313937;}

.grid-container{max-width:1240px;margin:0 auto;padding-left:32px;padding-right:32px;width:100%;}
.yx-main{display:block;}

/* ---------- header ---------- */
.yx-header{
  position:sticky;top:0;z-index:80;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background 220ms var(--yx-ease),border-color 220ms var(--yx-ease),backdrop-filter 220ms var(--yx-ease);
}
.yx-header.is-scrolled{
  background:rgba(11,13,12,.86);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom-color:var(--yx-line);
}
.yx-nav{
  height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.yx-logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.yx-logo-mark{width:28px;height:28px;flex:0 0 auto;}
.yx-logo-text{font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--yx-text);white-space:nowrap;}
.yx-logo-text em{font-style:normal;color:var(--yx-primary);}
.yx-nav-links{display:flex;align-items:center;gap:26px;font-size:14px;letter-spacing:.02em;}
.yx-nav-links a{position:relative;color:var(--yx-text-2);padding:6px 0;white-space:nowrap;}
.yx-nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--yx-primary);transform:scaleX(0);transform-origin:left;transition:transform 180ms var(--yx-ease);
}
.yx-nav-links a:hover{color:var(--yx-text);}
.yx-nav-links a:hover::after{transform:scaleX(1);}
.yx-nav-links a.is-active{color:var(--yx-text);}
.yx-nav-links a.is-active::after{transform:scaleX(1);}
.yx-nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.yx-icon-btn{
  width:36px;height:36px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  background:transparent;border:1px solid rgba(255,255,255,.18);color:var(--yx-text-2);cursor:pointer;
  transition:border-color 160ms var(--yx-ease),color 160ms var(--yx-ease),transform 160ms var(--yx-ease);
}
.yx-icon-btn:hover{border-color:var(--yx-primary);color:var(--yx-primary);}
.yx-burger{
  display:none;width:44px;height:44px;background:transparent;border:1px solid rgba(255,255,255,.16);
  border-radius:12px;cursor:pointer;align-items:center;justify-content:center;
}
.yx-burger span{display:block;width:18px;height:2px;background:var(--yx-text);border-radius:2px;position:relative;}
.yx-burger span::before,.yx-burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--yx-text);border-radius:2px;}
.yx-burger span::before{top:-6px;}
.yx-burger span::after{top:6px;}

/* ---------- buttons ---------- */
.yx-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 26px;border-radius:var(--yx-radius-pill);
  font-size:14px;font-weight:600;letter-spacing:.02em;white-space:nowrap;cursor:pointer;
  border:1px solid transparent;background:transparent;color:var(--yx-text);
  transition:background 120ms var(--yx-ease),color 120ms var(--yx-ease),border-color 120ms var(--yx-ease),transform 120ms var(--yx-ease),box-shadow 120ms var(--yx-ease),filter 120ms var(--yx-ease);
}
.yx-btn--primary{background:var(--yx-primary);color:#0B0D0C;}
.yx-btn--primary:hover{filter:brightness(1.06);color:#0B0D0C;transform:translateY(-1px);box-shadow:0 10px 26px rgba(23,224,168,.28);}
.yx-btn--primary:active{transform:translateY(0);box-shadow:none;}
.yx-btn--ghost{border-color:rgba(255,255,255,.18);color:var(--yx-text);}
.yx-btn--ghost:hover{border-color:var(--yx-primary);color:var(--yx-primary);}
.yx-btn--sm{height:38px;padding:0 20px;font-size:13px;}
.yx-link-more{font-size:14px;color:var(--yx-text-2);display:inline-flex;align-items:center;gap:6px;}
.yx-link-more:hover{color:var(--yx-primary);}

/* ---------- drawer ---------- */
.yx-drawer{
  position:fixed;inset:0;z-index:120;background:var(--yx-surface);
  display:flex;flex-direction:column;
  transform:translateX(100%);transition:transform 220ms var(--yx-ease);
  visibility:hidden;
}
.yx-drawer.is-open{transform:translateX(0);visibility:visible;}
.yx-drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--yx-line);}
.yx-drawer-close{width:44px;height:44px;border-radius:12px;background:transparent;border:1px solid rgba(255,255,255,.16);color:var(--yx-text);font-size:22px;line-height:1;cursor:pointer;}
.yx-drawer-links{flex:1 1 auto;overflow-y:auto;}
.yx-drawer-links a{display:flex;align-items:center;height:56px;padding:0 20px;border-bottom:1px solid var(--yx-line);color:var(--yx-text-2);font-size:15px;}
.yx-drawer-links a:hover,.yx-drawer-links a.is-active{color:var(--yx-primary);}
.yx-drawer-foot{padding:16px 20px 28px;display:grid;gap:12px;border-top:1px solid var(--yx-line);}
.yx-drawer-foot .yx-btn{width:100%;}

/* ---------- topic bar ---------- */
.yx-topic-bar{border-bottom:1px solid var(--yx-line);background:linear-gradient(180deg,rgba(20,23,26,.9),rgba(11,13,12,.6));}
.yx-topic-bar .grid-container{display:flex;align-items:center;gap:14px;height:52px;font-size:13px;color:var(--yx-text-2);flex-wrap:nowrap;overflow:hidden;}
.yx-topic-bar-label{color:var(--yx-text-3);letter-spacing:.08em;font-size:12px;border:1px solid var(--yx-line);border-radius:4px;padding:2px 8px;flex:0 0 auto;}
.yx-topic-bar a{color:var(--yx-primary);flex:0 0 auto;}
.yx-topic-bar-hint{margin-left:auto;color:var(--yx-text-3);font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}

/* ---------- article head ---------- */
.yx-article-top{padding:36px 0 0;}
.yx-breadcrumb{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--yx-text-3);flex-wrap:wrap;}
.yx-breadcrumb a{color:var(--yx-text-2);}
.yx-breadcrumb a:hover{color:var(--yx-primary);}
.yx-breadcrumb span.sep{color:var(--yx-text-3);}
.yx-breadcrumb .current{color:var(--yx-text-3);}
.yx-article-head{padding:22px 0 0;max-width:900px;}
.yx-article-head h1{
  font-size:clamp(2rem,4.2vw,3.2rem);
  font-weight:900;line-height:1.14;letter-spacing:-.02em;margin:0 0 18px;
}
.yx-article-meta{display:flex;align-items:center;gap:14px;flex-wrap:wrap;font-size:13px;color:var(--yx-text-2);}
.yx-article-meta time{font-variant-numeric:tabular-nums;color:var(--yx-text-3);}
.yx-article-meta .yx-dot{width:4px;height:4px;border-radius:50%;background:var(--yx-text-3);display:inline-block;}
.yx-badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:4px;
  font-size:12px;letter-spacing:.04em;background:rgba(23,224,168,.12);color:var(--yx-primary);
}
.yx-badge--hot{background:rgba(255,106,61,.14);color:#FF8B66;}
.yx-badge--lime{background:rgba(216,255,62,.14);color:var(--yx-accent);}
.yx-cover{
  margin:30px 0 0;border-radius:var(--yx-radius);overflow:hidden;border:1px solid var(--yx-line);
  box-shadow:var(--yx-shadow);
}
.yx-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;}

/* ---------- article body ---------- */
.yx-article-body{padding:54px 0 0;}
.yx-article-wrap{max-width:820px;}
.yx-prose{font-size:1.0625rem;line-height:1.95;letter-spacing:.01em;color:#DCE2DE;}
.yx-prose > * + *{margin-top:22px;}
.yx-prose h2{
  position:relative;font-size:clamp(1.35rem,2.2vw,1.62rem);font-weight:700;letter-spacing:-.01em;
  color:var(--yx-text);margin:46px 0 18px;padding-left:15px;
}
.yx-prose h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:2px;background:var(--yx-primary);
}
.yx-prose h3{font-size:1.125rem;font-weight:600;color:var(--yx-text);margin:32px 0 12px;}
.yx-prose a{color:var(--yx-primary);border-bottom:1px solid rgba(23,224,168,.35);}
.yx-prose a:hover{border-bottom-color:var(--yx-primary);}
.yx-prose ul,.yx-prose ol{padding-left:24px;}
.yx-prose li{margin:8px 0;}
.yx-prose li::marker{color:var(--yx-primary);}
.yx-prose blockquote{
  margin:28px 0;padding:18px 22px;background:var(--yx-surface);border-left:3px solid var(--yx-primary);
  border-radius:0 var(--yx-radius-sm) var(--yx-radius-sm) 0;color:var(--yx-text-2);font-size:1rem;
}
.yx-prose img{border-radius:var(--yx-radius-sm);margin:26px 0;}
.yx-prose figure{margin:28px 0;}
.yx-prose figcaption{font-size:13px;color:var(--yx-text-3);margin-top:10px;text-align:center;}
.yx-prose table{width:100%;border-collapse:collapse;margin:26px 0;font-size:.95rem;display:table;}
.yx-prose th,.yx-prose td{border:1px solid var(--yx-line);padding:11px 14px;text-align:left;color:var(--yx-text-2);}
.yx-prose th{background:var(--yx-surface-2);color:var(--yx-primary);font-weight:600;}
.yx-prose code{
  font-family:"SFMono-Regular",Consolas,"Liberation Mono",monospace;font-size:.88em;
  background:var(--yx-surface-2);color:var(--yx-accent);padding:2px 6px;border-radius:4px;
}
.yx-prose pre{
  background:#0F1213;border:1px solid var(--yx-line);border-radius:var(--yx-radius-sm);
  padding:16px 18px;overflow-x:auto;font-size:.9rem;line-height:1.8;
}
.yx-prose pre code{background:transparent;color:#C9D4CF;padding:0;}
.yx-prose hr{border:0;border-top:1px solid var(--yx-line);margin:40px 0;}
.yx-empty{
  min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;
  border:1px dashed var(--yx-line);border-radius:var(--yx-radius);background:var(--yx-surface);
  padding:40px 24px;text-align:center;
}
.yx-empty svg{color:var(--yx-text-3);}
.yx-empty p{color:var(--yx-text-2);font-size:15px;}

/* ---------- tags ---------- */
.yx-tags{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:44px;padding-top:24px;border-top:1px solid var(--yx-line);}
.yx-tags .yx-tags-label{font-size:12px;color:var(--yx-text-3);letter-spacing:.08em;}
.yx-tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--yx-radius-pill);
  border:1px solid var(--yx-line);font-size:13px;color:var(--yx-text-2);background:var(--yx-surface);
  transition:border-color 160ms var(--yx-ease),color 160ms var(--yx-ease);
}
.yx-tag:hover{border-color:var(--yx-line-active);color:var(--yx-primary);}

/* ---------- section ---------- */
.yx-section{padding:var(--yx-gap) 0 0;}
.yx-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:30px;}
.yx-section-head h2{font-size:clamp(1.5rem,2.4vw,1.9rem);font-weight:700;letter-spacing:-.01em;}
.yx-section-head p{color:var(--yx-text-2);font-size:14px;margin-top:8px;}

/* ---------- related cards ---------- */
.yx-related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.yx-poster{
  display:block;background:var(--yx-surface);border:1px solid var(--yx-line);border-radius:var(--yx-radius);
  overflow:hidden;transition:transform 180ms var(--yx-ease),border-color 180ms var(--yx-ease),box-shadow 180ms var(--yx-ease);
}
.yx-poster:hover{transform:scale(1.03);border-color:var(--yx-line-active);box-shadow:0 18px 40px rgba(0,0,0,.45);color:inherit;}
.yx-poster-img{position:relative;aspect-ratio:2/3;overflow:hidden;}
.yx-poster-img img{width:100%;height:100%;object-fit:cover;transition:transform 240ms var(--yx-ease);}
.yx-poster:hover .yx-poster-img img{transform:scale(1.05);}
.yx-poster-img::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,13,12,0) 45%,rgba(11,13,12,.85) 100%);}
.yx-poster-info{padding:16px 18px 18px;transition:transform 180ms var(--yx-ease);}
.yx-poster:hover .yx-poster-info{transform:translateY(-6px);}
.yx-poster-info h3{font-size:1.0625rem;font-weight:600;line-height:1.5;margin-bottom:10px;color:var(--yx-text);}
.yx-poster-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--yx-text-3);}
.yx-poster-meta time{font-variant-numeric:tabular-nums;}

/* ---------- back row ---------- */
.yx-back-row{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-top:48px;padding-top:28px;border-top:1px solid var(--yx-line);}
.yx-back-row .yx-note{font-size:13px;color:var(--yx-text-3);}

/* ---------- faq ---------- */
.yx-faq-wrap{max-width:900px;}
.yx-faq{border-top:1px solid var(--yx-line);background:transparent;margin:0;}
.yx-faq .accordion-item{border-bottom:1px solid var(--yx-line);background:transparent;}
.yx-faq .accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:16px;border:0;padding:22px 4px;
  font-size:16px;font-weight:600;color:var(--yx-text);background:transparent;
  transition:color 180ms var(--yx-ease);
}
.yx-faq .accordion-title:hover{color:var(--yx-primary);}
.yx-faq .accordion-title::before{display:none;}
.yx-faq .accordion-title::after{
  content:"+";font-size:20px;font-weight:400;color:var(--yx-primary);transition:transform 220ms var(--yx-ease);
}
.yx-faq .accordion-item.is-active > .accordion-title::after{content:"−";}
.yx-faq .accordion-content{border:0;background:transparent;padding:0 4px 24px;color:var(--yx-text-2);font-size:15.5px;max-width:72ch;}
.yx-faq .accordion-content p{color:var(--yx-text-2);}

/* ---------- cta ---------- */
.yx-cta{
  position:relative;margin-top:var(--yx-gap);border-top:1px solid var(--yx-line);border-bottom:1px solid var(--yx-line);
  background:var(--yx-surface);overflow:hidden;
}
.yx-cta::before{
  content:"";position:absolute;left:50%;top:-30%;width:60%;height:160%;transform:translateX(-50%);
  background:radial-gradient(circle,rgba(23,224,168,.12),rgba(23,224,168,0) 70%);pointer-events:none;
}
.yx-cta-inner{position:relative;padding:72px 0;display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;}
.yx-cta-inner h2{font-size:clamp(1.6rem,2.6vw,2.1rem);font-weight:800;letter-spacing:-.01em;margin-bottom:14px;}
.yx-cta-inner p{color:var(--yx-text-2);font-size:15px;max-width:46ch;}
.yx-cta-form label{display:block;font-size:12px;letter-spacing:.06em;color:var(--yx-text-2);margin-bottom:10px;}
.yx-cta-form-row{display:flex;gap:12px;}
.yx-cta-form-row input{
  flex:1 1 auto;height:48px;padding:0 18px;border-radius:var(--yx-radius-pill);
  background:transparent;border:1px solid rgba(255,255,255,.12);color:var(--yx-text);font-size:14px;
  transition:border-color 160ms var(--yx-ease),box-shadow 160ms var(--yx-ease);
}
.yx-cta-form-row input::placeholder{color:var(--yx-text-3);}
.yx-cta-form-row input:focus{outline:none;border-color:var(--yx-primary);box-shadow:0 0 0 3px rgba(23,224,168,.2);}
.yx-cta-form-row input:invalid:not(:placeholder-shown){border-color:var(--yx-warn);}
.yx-cta-form-row .yx-btn{flex:0 0 auto;}

/* ---------- footer ---------- */
.yx-footer{border-top:1px solid var(--yx-line);background:#0A0C0B;padding:64px 0 0;margin-top:0;}
.yx-footer-cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;}
.yx-footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.yx-footer-brand strong{font-size:17px;letter-spacing:.01em;}
.yx-footer-about{color:var(--yx-text-2);font-size:14px;max-width:34ch;}
.yx-footer h3{font-size:13px;letter-spacing:.08em;color:var(--yx-primary);font-weight:600;margin-bottom:16px;}
.yx-footer-links{display:grid;gap:10px;}
.yx-footer-links a,.yx-footer-links span{font-size:14px;color:var(--yx-text-2);}
.yx-footer-links a:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--yx-primary);text-underline-offset:6px;text-decoration-thickness:2px;}
.yx-footer-bar{
  margin-top:52px;padding:20px 0;border-top:1px solid var(--yx-line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:var(--yx-text-3);
}

/* ---------- motion ---------- */
.yx-rise{opacity:0;transform:translateY(12px);animation:yxRise 260ms var(--yx-ease) forwards;}
@keyframes yxRise{to{opacity:1;transform:translateY(0);}}
.yx-d1{animation-delay:40ms;}
.yx-d2{animation-delay:80ms;}
.yx-d3{animation-delay:120ms;}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .yx-rise{opacity:1;transform:none;}
}

/* ---------- responsive ---------- */
@media (max-width:1280px){
  :root{--yx-gap:84px;}
}
@media (max-width:1024px){
  :root{--yx-gap:72px;}
  .yx-nav-links{display:none;}
  .yx-burger{display:inline-flex;}
  .yx-cta-inner{grid-template-columns:1fr;gap:28px;padding:60px 0;}
  .yx-footer-cols{grid-template-columns:1fr 1fr;gap:32px;}
  .yx-related-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
}
@media (max-width:640px){
  :root{--yx-gap:56px;}
  body{font-size:16px;}
  .grid-container{padding-left:20px;padding-right:20px;}
  .yx-nav{height:64px;}
  .yx-nav-actions .yx-btn{display:none;}
  .yx-article-head{padding-top:16px;}
  .yx-related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .yx-cta-form-row{flex-direction:column;}
  .yx-cta-form-row .yx-btn{width:100%;}
  .yx-footer-cols{grid-template-columns:1fr;}
  .yx-footer{padding-top:48px;}
  .yx-topic-bar-hint{display:none;}
  .yx-back-row{flex-direction:column;align-items:stretch;}
  .yx-back-row .yx-btn{width:100%;}
}

/* roulang page: category1 */
/* ============ 设计变量 ============ */
:root{
  --yx-main:#17E0A8;
  --yx-accent:#D8FF3E;
  --yx-warn:#FF6A3D;
  --yx-bg:#0B0D0C;
  --yx-surface:#14171A;
  --yx-surface-2:#1B1F22;
  --yx-text:#F2F5F3;
  --yx-text-2:#A3ADA8;
  --yx-text-3:#6C7671;
  --yx-line:rgba(255,255,255,.08);
  --yx-line-strong:rgba(255,255,255,.18);
  --yx-line-active:rgba(23,224,168,.45);
  --yx-radius:14px;
  --yx-radius-poster:12px;
  --yx-radius-badge:4px;
  --yx-pill:999px;
  --yx-shadow-card:0 18px 40px rgba(0,0,0,.45);
  --yx-shadow-hero:0 26px 60px rgba(0,0,0,.55);
  --yx-shadow-main:0 10px 26px rgba(23,224,168,.28);
  --yx-ease:cubic-bezier(.22,.61,.36,1);
  --yx-section:96px;
  --yx-font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --yx-mono:"Inter","SFMono-Regular",Menlo,Consolas,monospace;
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--yx-bg);
  color:var(--yx-text);
  font-family:var(--yx-font);
  font-size:1.0625rem;
  line-height:1.9;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--yx-text-2);text-decoration:none;transition:color .18s var(--yx-ease),border-color .18s var(--yx-ease);}
a:hover,a:focus{color:var(--yx-main);}
h1,h2,h3,h4{margin:0;color:var(--yx-text);}
h1{font-size:clamp(2.4rem,5vw,4.4rem);font-weight:900;line-height:1.06;letter-spacing:-.02em;}
h2{font-size:clamp(1.5rem,2.4vw,1.9rem);font-weight:700;letter-spacing:-.01em;line-height:1.3;}
h3{font-size:1.125rem;font-weight:600;line-height:1.5;}
p{margin:0 0 1rem;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;font-size:inherit;cursor:pointer;}
input{font-family:inherit;}
::selection{background:var(--yx-main);color:#0B0D0C;}
:focus-visible{outline:2px solid var(--yx-main);outline-offset:2px;border-radius:4px;}

::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:#0F1211;}
::-webkit-scrollbar-thumb{background:#262B29;border-radius:999px;border:2px solid #0F1211;}
::-webkit-scrollbar-thumb:hover{background:#39403D;}

/* Foundation 覆盖 */
.grid-container{max-width:1240px;padding-left:32px;padding-right:32px;margin:0 auto;}
.button,.button.primary,.button.secondary{background:transparent;color:inherit;border:0;border-radius:0;padding:0;margin:0;font-size:inherit;}
.accordion{margin:0;background:transparent;border:0;}

/* ============ 通用元素 ============ */
.yx-container{max-width:1240px;margin:0 auto;padding:0 32px;}
.yx-section{padding:var(--yx-section) 0;}
.yx-section--tight{padding:64px 0;}
.yx-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.8125rem;letter-spacing:.14em;color:var(--yx-main);
  text-transform:uppercase;
}
.yx-eyebrow::before{content:"";width:18px;height:1px;background:var(--yx-main);display:inline-block;}
.yx-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.yx-section-head p{color:var(--yx-text-2);margin:.6rem 0 0;max-width:62ch;font-size:.9375rem;}
.yx-link-more{
  font-size:.875rem;color:var(--yx-text-2);
  border-bottom:2px solid transparent;padding-bottom:2px;
}
.yx-link-more:hover{border-bottom-color:var(--yx-main);color:var(--yx-main);}

/* 按钮 */
.yx-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 26px;border-radius:var(--yx-pill);
  font-weight:600;font-size:.9375rem;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .12s var(--yx-ease),box-shadow .12s var(--yx-ease),
             background-color .12s var(--yx-ease),color .12s var(--yx-ease),border-color .12s var(--yx-ease);
  white-space:nowrap;
}
.yx-btn--primary{background:var(--yx-main);color:#0B0D0C;}
.yx-btn--primary:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:var(--yx-shadow-main);color:#0B0D0C;}
.yx-btn--primary:active{transform:translateY(0);}
.yx-btn--ghost{background:transparent;border-color:var(--yx-line-strong);color:var(--yx-text);}
.yx-btn--ghost:hover{border-color:var(--yx-main);color:var(--yx-main);}
.yx-btn--sm{height:38px;padding:0 20px;font-size:.875rem;}
.yx-btn--lg{height:50px;padding:0 32px;}
.yx-btn--block{width:100%;}

.yx-icon-btn{
  width:36px;height:36px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  background:transparent;border:1px solid var(--yx-line-strong);color:var(--yx-text-2);
  transition:border-color .18s var(--yx-ease),color .18s var(--yx-ease);
}
.yx-icon-btn:hover{border-color:var(--yx-main);color:var(--yx-main);}

/* 徽章 */
.yx-badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:.75rem;line-height:1;padding:5px 9px;border-radius:var(--yx-radius-badge);
  background:rgba(23,224,168,.12);color:var(--yx-main);letter-spacing:.02em;
}
.yx-badge--warn{background:rgba(255,106,61,.14);color:var(--yx-warn);}
.yx-badge--lemon{background:rgba(216,255,62,.14);color:var(--yx-accent);}
.yx-badge--mute{background:rgba(255,255,255,.06);color:var(--yx-text-2);}

.yx-num{font-family:var(--yx-mono);letter-spacing:-.03em;font-variant-numeric:tabular-nums;}

/* ============ 导航 ============ */
.yx-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  height:72px;display:flex;align-items:center;
  background:transparent;border-bottom:1px solid transparent;
  transition:background-color .2s var(--yx-ease),border-color .2s var(--yx-ease),backdrop-filter .2s var(--yx-ease);
}
.yx-header.is-solid{
  background:rgba(11,13,12,.86);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom-color:var(--yx-line);
}
.yx-nav{display:flex;align-items:center;justify-content:space-between;gap:24px;width:100%;}
.yx-logo{display:inline-flex;align-items:center;gap:10px;color:var(--yx-text);}
.yx-logo:hover{color:var(--yx-text);}
.yx-logo-mark{width:30px;height:30px;flex:none;}
.yx-logo-text{font-size:1.0625rem;font-weight:800;letter-spacing:.01em;}
.yx-logo-text em{font-style:normal;color:var(--yx-main);font-weight:800;}
.yx-nav-links{display:flex;align-items:center;gap:26px;}
.yx-nav-links a{
  position:relative;font-size:.875rem;letter-spacing:.02em;color:var(--yx-text-2);padding:6px 0;
}
.yx-nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--yx-main);
  transform:scaleX(0);transform-origin:left;transition:transform .18s var(--yx-ease);
}
.yx-nav-links a:hover{color:var(--yx-text);}
.yx-nav-links a:hover::after,.yx-nav-links a.is-active::after{transform:scaleX(1);}
.yx-nav-links a.is-active{color:var(--yx-text);}
.yx-nav-actions{display:flex;align-items:center;gap:12px;}
.yx-burger{
  display:none;width:44px;height:44px;border-radius:12px;background:transparent;
  border:1px solid var(--yx-line-strong);position:relative;
}
.yx-burger span,.yx-burger span::before,.yx-burger span::after{
  position:absolute;left:50%;width:16px;height:2px;background:var(--yx-text);border-radius:2px;
  transform:translateX(-50%);transition:transform .2s var(--yx-ease),opacity .2s var(--yx-ease);
}
.yx-burger span{top:50%;margin-top:-1px;}
.yx-burger span::before{content:"";top:-6px;left:0;transform:none;}
.yx-burger span::after{content:"";top:6px;left:0;transform:none;}

/* 移动抽屉 */
.yx-drawer{
  position:fixed;inset:0;z-index:80;background:var(--yx-surface);
  transform:translateX(100%);transition:transform .22s var(--yx-ease);
  display:flex;flex-direction:column;padding:20px 20px 28px;overflow-y:auto;
}
.yx-drawer.is-open{transform:translateX(0);}
.yx-drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;}
.yx-drawer-close{
  width:44px;height:44px;border-radius:12px;background:transparent;border:1px solid var(--yx-line-strong);
  color:var(--yx-text);font-size:1.1rem;
}
.yx-drawer nav a{
  display:flex;align-items:center;justify-content:space-between;
  height:56px;border-bottom:1px solid var(--yx-line);font-size:1rem;color:var(--yx-text);
}
.yx-drawer nav a.is-active{color:var(--yx-main);}
.yx-drawer-foot{margin-top:auto;padding-top:24px;display:grid;gap:12px;}
.yx-drawer-foot .yx-btn{width:100%;}

/* ============ 页头 ============ */
.yx-pagehead{
  position:relative;overflow:hidden;
  min-height:44vh;display:flex;align-items:flex-end;
  padding:150px 0 56px;
  background:
    radial-gradient(60% 90% at 18% 30%,rgba(23,224,168,.16),transparent 65%),
    linear-gradient(180deg,rgba(11,13,12,.72) 0%,rgba(11,13,12,.94) 72%,var(--yx-bg) 100%),
    url("/assets/images/backpic/back-1.png") center/cover no-repeat;
}
.yx-pagehead-inner{position:relative;z-index:2;max-width:820px;}
.yx-pagehead h1{margin:18px 0 16px;}
.yx-pagehead h1 span{color:var(--yx-accent);}
.yx-pagehead .yx-lead{color:var(--yx-text-2);font-size:1.0625rem;max-width:60ch;margin:0;}
.yx-crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:.8125rem;color:var(--yx-text-3);margin-bottom:8px;
}
.yx-crumb a{color:var(--yx-text-2);}
.yx-crumb span.is-current{color:var(--yx-text-3);}
.yx-pagehead-stats{
  display:flex;gap:36px;flex-wrap:wrap;margin-top:32px;
  padding-top:22px;border-top:1px solid var(--yx-line);
}
.yx-pagehead-stats div{min-width:96px;}
.yx-pagehead-stats b{
  display:block;font-family:var(--yx-mono);font-size:1.6rem;letter-spacing:-.03em;color:var(--yx-main);
}
.yx-pagehead-stats small{font-size:.8125rem;color:var(--yx-text-3);}

/* ============ 分组切换 ============ */
.yx-segmented{
  display:inline-flex;align-items:center;gap:4px;padding:4px;border-radius:var(--yx-pill);
  background:var(--yx-surface);border:1px solid var(--yx-line);
}
.yx-segmented a{
  display:inline-flex;align-items:center;height:36px;padding:0 18px;border-radius:var(--yx-pill);
  font-size:.875rem;color:var(--yx-text-2);
}
.yx-segmented a.is-active{background:rgba(23,224,168,.14);color:var(--yx-main);}
.yx-segmented a:hover{color:var(--yx-main);}

/* ============ 海报墙 ============ */
.yx-wall{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;
}
.yx-poster{
  position:relative;border-radius:var(--yx-radius-poster);overflow:hidden;
  background:var(--yx-surface);border:1px solid var(--yx-line);
  transition:transform .18s var(--yx-ease),border-color .18s var(--yx-ease),box-shadow .18s var(--yx-ease);
}
.yx-poster:hover{transform:scale(1.03);border-color:var(--yx-line-active);box-shadow:var(--yx-shadow-card);}
.yx-poster-media{position:relative;aspect-ratio:2/3;overflow:hidden;}
.yx-poster-media img{width:100%;height:100%;object-fit:cover;transition:transform .18s var(--yx-ease);}
.yx-poster:hover .yx-poster-media img{transform:scale(1.04);}
.yx-poster-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,13,12,0) 42%,rgba(11,13,12,.86) 100%);
}
.yx-poster-tag{position:absolute;top:12px;left:12px;z-index:2;}
.yx-poster-enter{
  position:absolute;right:12px;bottom:12px;z-index:3;
  width:38px;height:38px;border-radius:50%;background:var(--yx-main);color:#0B0D0C;
  display:flex;align-items:center;justify-content:center;
  opacity:0;transform:translateY(8px);transition:opacity .18s var(--yx-ease),transform .18s var(--yx-ease);
}
.yx-poster:hover .yx-poster-enter{opacity:1;transform:translateY(0);}
.yx-poster-body{
  position:relative;padding:16px 16px 18px;
  transition:transform .18s var(--yx-ease);
}
.yx-poster:hover .yx-poster-body{transform:translateY(-6px);}
.yx-poster-body h3{
  font-size:1rem;line-height:1.5;margin:8px 0 10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.yx-poster-meta{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:.8125rem;color:var(--yx-text-3);
}
.yx-poster-link{position:absolute;inset:0;z-index:4;border-radius:inherit;}

.yx-wall-foot{
  margin-top:40px;display:flex;flex-direction:column;align-items:center;gap:14px;
  padding-top:32px;border-top:1px solid var(--yx-line);
}
.yx-wall-foot p{color:var(--yx-text-3);font-size:.8125rem;margin:0;}

/* ============ 更新节奏（图文分栏） ============ */
.yx-split{
  display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center;
}
.yx-split-copy h2{margin:14px 0 16px;}
.yx-split-copy p{color:var(--yx-text-2);font-size:1rem;}
.yx-flowlist{margin-top:26px;display:grid;gap:14px;}
.yx-flowlist li{
  display:flex;gap:14px;align-items:flex-start;
  padding:16px 18px;border-radius:var(--yx-radius);background:var(--yx-surface);border:1px solid var(--yx-line);
  transition:border-color .18s var(--yx-ease),transform .18s var(--yx-ease);
}
.yx-flowlist li:hover{border-color:var(--yx-line-active);transform:translateX(2px);}
.yx-flowlist .yx-step{
  flex:none;width:28px;height:28px;border-radius:50%;border:1px solid var(--yx-line-active);
  color:var(--yx-main);display:flex;align-items:center;justify-content:center;
  font-family:var(--yx-mono);font-size:.8125rem;
}
.yx-flowlist strong{display:block;font-size:.9375rem;font-weight:600;}
.yx-flowlist span{font-size:.8125rem;color:var(--yx-text-3);}
.yx-split-media{position:relative;border-radius:var(--yx-radius);overflow:hidden;border:1px solid var(--yx-line);}
.yx-split-media img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.yx-split-media figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:18px 20px;
  background:linear-gradient(180deg,transparent,rgba(11,13,12,.92));
  font-size:.8125rem;color:var(--yx-text-2);
}

/* ============ FAQ ============ */
.yx-faq{max-width:900px;}
.yx-faq .accordion-item{border-bottom:1px solid var(--yx-line);background:transparent;}
.yx-faq .accordion-title{
  padding:24px 44px 24px 0;font-size:1rem;font-weight:600;color:var(--yx-text);
  border:0;background:transparent;position:relative;transition:color .18s var(--yx-ease);
}
.yx-faq .accordion-title:hover,.yx-faq .accordion-title:focus{color:var(--yx-main);}
.yx-faq .accordion-title::before{
  content:"+";position:absolute;right:6px;top:50%;transform:translateY(-50%);
  color:var(--yx-main);font-size:1.3rem;font-weight:400;
  transition:transform .22s var(--yx-ease);
}
.yx-faq .accordion-item.is-active .accordion-title::before{content:"+";transform:translateY(-50%) rotate(45deg);}
.yx-faq .accordion-content{
  padding:0 0 26px;background:transparent;border:0;color:var(--yx-text-2);max-width:72ch;
}

/* ============ CTA ============ */
.yx-cta{
  position:relative;overflow:hidden;border-top:1px solid var(--yx-line);border-bottom:1px solid var(--yx-line);
  background:#0E1110;
}
.yx-cta::before{
  content:"";position:absolute;left:50%;top:50%;width:60%;padding-bottom:60%;transform:translate(-50%,-50%);
  background:radial-gradient(circle,rgba(23,224,168,.12) 0%,rgba(23,224,168,0) 70%);
  pointer-events:none;
}
.yx-cta-inner{
  position:relative;z-index:2;padding:80px 0;
  display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;
}
.yx-cta-inner h2{margin-bottom:10px;}
.yx-cta-inner p{color:var(--yx-text-2);margin:0;font-size:.9375rem;max-width:48ch;}
.yx-subform{display:flex;gap:12px;align-items:flex-end;flex-wrap:wrap;}
.yx-subform label{
  display:block;font-size:.75rem;letter-spacing:.06em;color:var(--yx-text-3);margin-bottom:8px;
}
.yx-subform input{
  height:48px;width:280px;padding:0 18px;border-radius:var(--yx-pill);
  background:transparent;border:1px solid rgba(255,255,255,.12);color:var(--yx-text);
  transition:border-color .18s var(--yx-ease),box-shadow .18s var(--yx-ease);
}
.yx-subform input::placeholder{color:var(--yx-text-3);}
.yx-subform input:focus{
  outline:none;border-color:var(--yx-main);box-shadow:0 0 0 3px rgba(23,224,168,.2);
}

/* ============ 页脚 ============ */
.yx-footer{background:#0E1110;border-top:1px solid var(--yx-line);padding:72px 0 0;}
.yx-footer-cols{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:48px;border-bottom:1px solid var(--yx-line);
}
.yx-footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.yx-footer-brand strong{font-size:1.0625rem;font-weight:800;}
.yx-footer-about{color:var(--yx-text-3);font-size:.875rem;max-width:32ch;margin:0;}
.yx-footer h3{
  font-size:.8125rem;letter-spacing:.08em;color:var(--yx-main);margin-bottom:18px;font-weight:600;
}
.yx-footer-links{display:grid;gap:12px;}
.yx-footer-links a,.yx-footer-links span{font-size:.875rem;color:var(--yx-text-2);}
.yx-footer-links a:hover{color:#fff;border-bottom:2px solid var(--yx-main);padding-bottom:2px;}
.yx-footer-bar{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:24px 0 28px;font-size:.8125rem;color:var(--yx-text-3);
}

/* ============ 入场动效 ============ */
.yx-reveal{opacity:0;transform:translateY(12px);transition:opacity .26s var(--yx-ease),transform .26s var(--yx-ease);}
.yx-reveal.is-in{opacity:1;transform:none;}

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

/* ============ 响应式 ============ */
@media screen and (max-width:1024px){
  :root{--yx-section:72px;}
  .yx-nav-links{display:none;}
  .yx-burger{display:inline-flex;}
  .yx-wall{grid-template-columns:repeat(3,minmax(0,1fr));}
  .yx-split{grid-template-columns:1fr;gap:32px;}
  .yx-footer-cols{grid-template-columns:1fr 1fr;gap:36px;}
}
@media screen and (max-width:768px){
  .grid-container,.yx-container{padding-left:20px;padding-right:20px;}
  .yx-pagehead{padding:130px 0 44px;min-height:38vh;}
  .yx-wall{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
  .yx-cta-inner{padding:60px 0;flex-direction:column;align-items:flex-start;gap:28px;}
  .yx-subform input{width:100%;}
  .yx-subform{width:100%;}
  .yx-section-head{margin-bottom:26px;}
}
@media screen and (max-width:520px){
  body{font-size:1rem;}
  .yx-nav-actions .yx-btn{display:none;}
  .yx-pagehead-stats{gap:22px;}
  .yx-pagehead-stats b{font-size:1.35rem;}
  .yx-poster-body{padding:12px 12px 14px;}
  .yx-poster-body h3{font-size:.9375rem;}
  .yx-footer-cols{grid-template-columns:1fr;}
  .yx-segmented{display:flex;width:100%;overflow-x:auto;}
  .yx-segmented a{padding:0 14px;white-space:nowrap;}
}

/* roulang page: category2 */
:root{
  --yx-primary:#17E0A8;
  --yx-accent:#D8FF3E;
  --yx-warn:#FF6A3D;
  --yx-bg:#0B0D0C;
  --yx-surface:#14171A;
  --yx-elev:#1B1F22;
  --yx-text:#F2F5F3;
  --yx-muted:#A3ADA8;
  --yx-dim:#6C7671;
  --yx-line:rgba(255,255,255,.08);
  --yx-line-mid:rgba(255,255,255,.14);
  --yx-line-active:rgba(23,224,168,.45);
  --yx-r-card:14px;
  --yx-r-poster:12px;
  --yx-r-badge:4px;
  --yx-r-pill:999px;
  --yx-shadow-card:0 18px 40px rgba(0,0,0,.45);
  --yx-shadow-float:0 26px 60px rgba(0,0,0,.55);
  --yx-space-sec:96px;
  --yx-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(--yx-bg);
  color:var(--yx-text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,"Inter",Arial,sans-serif;
  font-size:17px;
  line-height:1.9;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .12s var(--yx-ease),border-color .12s var(--yx-ease);}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1{font-size:clamp(2.4rem,5vw,3.4rem);font-weight:900;line-height:1.08;letter-spacing:-.02em;}
h2{font-size:clamp(1.5rem,2.4vw,1.9rem);font-weight:700;letter-spacing:-.01em;line-height:1.3;}
h3{font-size:1.125rem;font-weight:600;line-height:1.5;}
p{color:var(--yx-muted);}
::selection{background:rgba(23,224,168,.28);color:#fff;}
:focus-visible{outline:2px solid var(--yx-primary);outline-offset:2px;border-radius:4px;}
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:#0E1110;}
::-webkit-scrollbar-thumb{background:#242A28;border-radius:999px;border:2px solid #0E1110;}
::-webkit-scrollbar-thumb:hover{background:#33３A37;}

.grid-container{max-width:1240px;margin:0 auto;padding-left:32px;padding-right:32px;width:100%;}
.yx-main{display:block;}
.yx-section{padding:var(--yx-space-sec) 0;}
.yx-section--tight{padding:64px 0;}
.yx-sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.yx-sec-head p{margin-top:10px;max-width:62ch;font-size:.9375rem;}
.yx-kicker{
  display:inline-block;
  font-size:.75rem;
  letter-spacing:.18em;
  color:var(--yx-primary);
  text-transform:uppercase;
  margin-bottom:14px;
}
.yx-hr{height:1px;background:var(--yx-line);border:0;margin:0;}

/* ---------- 按钮 ---------- */
.yx-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 26px;border-radius:var(--yx-r-pill);
  font-size:.9375rem;font-weight:600;letter-spacing:.02em;
  border:1px solid transparent;
  transition:transform .12s var(--yx-ease),background-color .12s var(--yx-ease),border-color .12s var(--yx-ease),color .12s var(--yx-ease),box-shadow .12s var(--yx-ease);
  white-space:nowrap;
}
.yx-btn--primary{background:var(--yx-primary);color:#0B0D0C;}
.yx-btn--primary:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 10px 26px rgba(23,224,168,.28);}
.yx-btn--primary:active{transform:translateY(0);}
.yx-btn--ghost{background:transparent;border-color:rgba(255,255,255,.18);color:var(--yx-text);}
.yx-btn--ghost:hover{border-color:var(--yx-primary);color:var(--yx-primary);}
.yx-btn--sm{height:38px;padding:0 20px;font-size:.875rem;}
.yx-btn--block{width:100%;}
.yx-link{
  font-size:.875rem;color:var(--yx-muted);
  border-bottom:2px solid transparent;padding-bottom:6px;
  transition:color .12s var(--yx-ease),border-color .12s var(--yx-ease);
}
.yx-link:hover{color:var(--yx-primary);border-bottom-color:var(--yx-primary);}

/* ---------- 顶栏 ---------- */
.yx-header{
  position:sticky;top:0;z-index:60;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background-color .18s var(--yx-ease),border-color .18s var(--yx-ease),backdrop-filter .18s var(--yx-ease);
}
.yx-header.is-scrolled{
  background:rgba(11,13,12,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom-color:var(--yx-line);
}
.yx-nav{display:flex;align-items:center;gap:28px;height:72px;}
.yx-logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.yx-logo-mark{width:30px;height:30px;flex:0 0 auto;}
.yx-logo-text{font-size:1.125rem;font-weight:800;letter-spacing:-.01em;color:var(--yx-text);}
.yx-logo-text em{font-style:normal;color:var(--yx-primary);}
.yx-nav-links{display:flex;align-items:center;gap:26px;margin-left:14px;flex:1 1 auto;}
.yx-nav-links a{
  position:relative;font-size:.875rem;letter-spacing:.02em;color:var(--yx-muted);padding:6px 0;
}
.yx-nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--yx-primary);
  transition:width .18s var(--yx-ease);
}
.yx-nav-links a:hover{color:var(--yx-text);}
.yx-nav-links a:hover::after{width:100%;}
.yx-nav-links a.is-active{color:var(--yx-text);}
.yx-nav-links a.is-active::after{width:100%;}
.yx-nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.yx-icon-btn{
  width:36px;height:36px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--yx-line-mid);color:var(--yx-muted);
  transition:color .12s var(--yx-ease),border-color .12s var(--yx-ease);
}
.yx-icon-btn:hover{color:var(--yx-primary);border-color:var(--yx-line-active);}
.yx-burger{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--yx-line-mid);position:relative;
}
.yx-burger span,
.yx-burger span::before,
.yx-burger span::after{
  position:absolute;left:50%;width:18px;height:2px;background:var(--yx-text);border-radius:2px;
  transform:translateX(-50%);transition:transform .18s var(--yx-ease),opacity .18s var(--yx-ease);
}
.yx-burger span{top:50%;margin-top:-1px;}
.yx-burger span::before{content:"";top:-6px;left:0;transform:none;}
.yx-burger span::after{content:"";top:6px;left:0;transform:none;}
.yx-burger[aria-expanded="true"] span{background:transparent;}
.yx-burger[aria-expanded="true"] span::before{top:0;transform:rotate(45deg);}
.yx-burger[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg);}

/* ---------- 移动抽屉 ---------- */
.yx-drawer{
  position:fixed;inset:0;z-index:80;background:var(--yx-surface);
  display:flex;flex-direction:column;
  transform:translateY(-100%);opacity:0;pointer-events:none;
  transition:transform .22s var(--yx-ease),opacity .22s var(--yx-ease);
}
.yx-drawer.is-open{transform:translateY(0);opacity:1;pointer-events:auto;}
.yx-drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--yx-line);}
.yx-drawer-links{flex:1 1 auto;overflow-y:auto;padding:8px 0;}
.yx-drawer-links a{
  display:flex;align-items:center;height:56px;padding:0 22px;
  font-size:1rem;color:var(--yx-text);border-bottom:1px solid var(--yx-line);
}
.yx-drawer-links a.is-active{color:var(--yx-primary);}
.yx-drawer-foot{padding:18px 20px 26px;border-top:1px solid var(--yx-line);display:grid;gap:12px;}

/* ---------- 页头 ---------- */
.yx-pagehead{position:relative;overflow:hidden;padding:72px 0 56px;border-bottom:1px solid var(--yx-line);}
.yx-pagehead-bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  opacity:.30;filter:saturate(.9);
}
.yx-pagehead::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 18% 30%,rgba(23,224,168,.20),transparent 58%),
             linear-gradient(180deg,rgba(11,13,12,.55),rgba(11,13,12,.95));
}
.yx-pagehead-inner{position:relative;z-index:2;}
.yx-crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.8125rem;color:var(--yx-dim);margin-bottom:22px;}
.yx-crumb a{color:var(--yx-muted);}
.yx-crumb a:hover{color:var(--yx-primary);}
.yx-crumb span[aria-current]{color:var(--yx-muted);}
.yx-pagehead h1{max-width:20ch;}
.yx-pagehead h1 em{font-style:normal;color:var(--yx-accent);}
.yx-pagehead-sub{margin-top:18px;max-width:58ch;font-size:1rem;color:var(--yx-muted);}
.yx-pagehead-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.yx-pagehead-meta{display:flex;flex-wrap:wrap;gap:36px;margin-top:38px;padding-top:24px;border-top:1px solid var(--yx-line);}
.yx-meta-item strong{display:block;font-size:1.5rem;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-.03em;color:var(--yx-text);}
.yx-meta-item span{font-size:.8125rem;color:var(--yx-dim);letter-spacing:.04em;}

/* ---------- 榜单布局 ---------- */
.yx-rank-layout{display:flex;flex-wrap:wrap;gap:40px;align-items:flex-start;}
.yx-rank-main{order:2;flex:1 1 620px;min-width:0;}
.yx-rank-aside{order:1;flex:1 1 260px;max-width:312px;min-width:0;}
.yx-filter-card{
  background:var(--yx-surface);border:1px solid var(--yx-line);border-radius:var(--yx-r-card);
  padding:20px;position:sticky;top:96px;
}
.yx-filter-card h2{font-size:1rem;font-weight:700;letter-spacing:.02em;}
.yx-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.yx-chip{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:var(--yx-r-pill);
  font-size:.8125rem;color:var(--yx-muted);
  background:rgba(255,255,255,.03);border:1px solid var(--yx-line-mid);
  transition:color .12s var(--yx-ease),border-color .12s var(--yx-ease),background-color .12s var(--yx-ease);
}
.yx-chip:hover{color:var(--yx-text);border-color:var(--yx-line-active);}
.yx-chip.is-active{color:#0B0D0C;background:var(--yx-primary);border-color:var(--yx-primary);font-weight:600;}
.yx-aside-note{margin-top:26px;padding-top:20px;border-top:1px solid var(--yx-line);}
.yx-aside-note h3{font-size:.8125rem;letter-spacing:.08em;color:var(--yx-primary);font-weight:600;text-transform:uppercase;}
.yx-aside-note ul{margin-top:14px;display:grid;gap:12px;}
.yx-aside-note li{font-size:.875rem;color:var(--yx-muted);line-height:1.7;padding-left:14px;position:relative;}
.yx-aside-note li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:1px;background:var(--yx-primary);}
.yx-aside-cta{margin-top:24px;}

.yx-rank-board{
  background:var(--yx-surface);border:1px solid var(--yx-line);border-radius:var(--yx-r-card);
  overflow:hidden;box-shadow:var(--yx-shadow-card);
}
.yx-rank-board-head{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  padding:22px 24px;border-bottom:1px solid var(--yx-line);
}
.yx-rank-board-head h2{font-size:1.125rem;font-weight:700;}
.yx-rank-board-head span{font-size:.8125rem;color:var(--yx-dim);font-variant-numeric:tabular-nums;}
.yx-rank-list > li + li{border-top:1px solid var(--yx-line);}
.yx-rank-row{
  display:grid;
  grid-template-columns:64px 56px minmax(0,1fr) auto auto;
  align-items:center;gap:18px;padding:18px 24px;
  transition:background-color .18s var(--yx-ease),transform .18s var(--yx-ease);
}
.yx-rank-row:hover{background:rgba(23,224,168,.05);}
.yx-rank-no{
  font-size:30px;font-weight:900;line-height:1;
  font-variant-numeric:tabular-nums;letter-spacing:-.03em;
  color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.26);
}
.yx-rank-row--top .yx-rank-no{color:var(--yx-accent);-webkit-text-stroke:0;}
.yx-rank-thumb{
  width:56px;height:84px;border-radius:8px;overflow:hidden;
  border:1px solid var(--yx-line);
  opacity:.16;filter:grayscale(1);
  transition:opacity .22s var(--yx-ease),filter .22s var(--yx-ease),transform .22s var(--yx-ease),border-color .22s var(--yx-ease);
}
.yx-rank-thumb img{width:100%;height:100%;object-fit:cover;aspect-ratio:2/3;}
.yx-rank-row:hover .yx-rank-thumb{opacity:1;filter:grayscale(0);transform:scale(1.04);border-color:var(--yx-line-active);}
.yx-rank-main{min-width:0;}
.yx-rank-main h3{font-size:1.0625rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.yx-rank-main p{margin-top:4px;font-size:.8125rem;color:var(--yx-dim);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.yx-rank-meta{display:flex;align-items:center;gap:10px;}
.yx-badge{
  display:inline-flex;align-items:center;height:22px;padding:0 8px;border-radius:var(--yx-r-badge);
  font-size:.6875rem;letter-spacing:.04em;font-weight:600;white-space:nowrap;
}
.yx-badge--up{background:rgba(23,224,168,.12);color:var(--yx-primary);}
.yx-badge--new{background:rgba(255,106,61,.14);color:var(--yx-warn);}
.yx-badge--flat{background:rgba(255,255,255,.06);color:var(--yx-muted);}
.yx-rank-score{font-size:1.125rem;font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:-.03em;color:var(--yx-text);min-width:56px;text-align:right;}
.yx-rank-delta{font-size:.8125rem;font-variant-numeric:tabular-nums;color:var(--yx-muted);min-width:44px;text-align:right;letter-spacing:-.01em;}
.yx-rank-delta.is-up{color:var(--yx-primary);}
.yx-rank-delta.is-down{color:var(--yx-dim);}

/* ---------- 数据卡 ---------- */
.yx-stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.yx-stat{
  background:var(--yx-surface);border:1px solid var(--yx-line);border-radius:var(--yx-r-card);
  padding:22px;transition:border-color .18s var(--yx-ease),transform .18s var(--yx-ease);
}
.yx-stat:hover{border-color:var(--yx-line-active);transform:translateY(-2px);}
.yx-stat strong{display:block;font-size:2rem;font-weight:900;line-height:1.1;letter-spacing:-.03em;font-variant-numeric:tabular-nums;color:var(--yx-primary);}
.yx-stat span{display:block;margin-top:10px;font-size:.8125rem;color:var(--yx-dim);letter-spacing:.04em;}
.yx-stat p{margin-top:12px;font-size:.875rem;line-height:1.75;}

/* ---------- 步骤 ---------- */
.yx-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;}
.yx-step{padding-top:22px;border-top:1px solid var(--yx-line);position:relative;}
.yx-step-num{
  font-size:.8125rem;font-variant-numeric:tabular-nums;letter-spacing:.1em;
  color:var(--yx-primary);font-weight:700;
}
.yx-step h3{margin-top:12px;font-size:1.0625rem;}
.yx-step p{margin-top:10px;font-size:.9375rem;}

/* ---------- FAQ ---------- */
.yx-faq-wrap{display:grid;grid-template-columns:minmax(0,320px) minmax(0,1fr);gap:56px;align-items:start;}
.yx-faq-wrap > div > p{margin-top:14px;font-size:.9375rem;}
.yx-faq.accordion{background:transparent;border:0;margin:0;}
.yx-faq .accordion-item{background:transparent;border:0;border-top:1px solid var(--yx-line);}
.yx-faq .accordion-item:last-child{border-bottom:1px solid var(--yx-line);}
.yx-faq .accordion-title{
  display:block;position:relative;padding:22px 48px 22px 0;
  font-size:1rem;font-weight:600;color:var(--yx-text);border:0;background:transparent;
  transition:color .12s var(--yx-ease);
}
.yx-faq .accordion-title:hover{color:var(--yx-primary);}
.yx-faq .accordion-title::before{
  content:"+";position:absolute;right:8px;top:50%;transform:translateY(-50%);
  font-size:20px;font-weight:400;color:var(--yx-muted);line-height:1;
  transition:transform .22s var(--yx-ease),color .22s var(--yx-ease);
  float:none;margin:0;
}
.yx-faq .accordion-title[aria-expanded="true"]{color:var(--yx-text);}
.yx-faq .accordion-title[aria-expanded="true"]::before{content:"−";color:var(--yx-primary);transform:translateY(-50%) rotate(180deg);}
.yx-faq .accordion-content{
  background:transparent;border:0;padding:0 0 24px;color:var(--yx-muted);
  font-size:.9375rem;max-width:72ch;
}

/* ---------- CTA ---------- */
.yx-cta{
  position:relative;overflow:hidden;border-top:1px solid var(--yx-line);border-bottom:1px solid var(--yx-line);
  background:#0E1110;padding:84px 0;
}
.yx-cta::before{
  content:"";position:absolute;left:50%;top:50%;width:60%;padding-bottom:60%;
  transform:translate(-50%,-50%);
  background:radial-gradient(circle,rgba(23,224,168,.12),transparent 70%);
  pointer-events:none;
}
.yx-cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,440px);gap:48px;align-items:center;}
.yx-cta h2{max-width:22ch;}
.yx-cta p{margin-top:14px;font-size:.9375rem;max-width:52ch;}
.yx-form{display:grid;gap:12px;}
.yx-form label{font-size:.75rem;letter-spacing:.06em;color:var(--yx-muted);}
.yx-form-row{display:flex;gap:12px;}
.yx-input{
  flex:1 1 auto;height:48px;padding:0 18px;border-radius:var(--yx-r-pill);
  background:transparent;border:1px solid rgba(255,255,255,.12);color:var(--yx-text);
  font-size:.9375rem;transition:border-color .12s var(--yx-ease),box-shadow .12s var(--yx-ease);
}
.yx-input::placeholder{color:var(--yx-dim);}
.yx-input:focus{outline:none;border-color:var(--yx-primary);box-shadow:0 0 0 2px rgba(23,224,168,.20);}
.yx-form-hint{font-size:.75rem;color:var(--yx-dim);}

/* ---------- 页脚 ---------- */
.yx-footer{background:#0A0C0B;border-top:1px solid var(--yx-line);padding:72px 0 0;}
.yx-footer-cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;}
.yx-footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.yx-footer-brand strong{font-size:1.0625rem;font-weight:800;}
.yx-footer-about{font-size:.875rem;color:var(--yx-dim);max-width:34ch;line-height:1.8;}
.yx-footer h3{font-size:.8125rem;letter-spacing:.08em;color:var(--yx-primary);font-weight:600;margin-bottom:16px;}
.yx-footer-links{display:grid;gap:12px;}
.yx-footer-links a,.yx-footer-links span{font-size:.875rem;color:var(--yx-muted);}
.yx-footer-links a:hover{color:#fff;border-bottom:2px solid var(--yx-primary);padding-bottom:2px;}
.yx-footer-bar{
  margin-top:56px;padding:22px 0;border-top:1px solid var(--yx-line);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;
  font-size:.8125rem;color:var(--yx-dim);
}

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

@media screen and (max-width:1280px){
  :root{--yx-space-sec:80px;}
}
@media screen and (max-width:1024px){
  :root{--yx-space-sec:72px;}
  .yx-nav-links{display:none;}
  .yx-burger{display:inline-flex;align-items:center;justify-content:center;}
  .yx-nav-actions .yx-btn--primary{display:none;}
  .yx-rank-aside{order:2;max-width:none;flex:1 1 100%;}
  .yx-rank-main{order:1;flex:1 1 100%;}
  .yx-filter-card{position:static;}
  .yx-stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .yx-steps{grid-template-columns:1fr;gap:22px;}
  .yx-faq-wrap{grid-template-columns:1fr;gap:32px;}
  .yx-cta-inner{grid-template-columns:1fr;gap:32px;}
  .yx-footer-cols{grid-template-columns:1fr 1fr;gap:36px;}
}
@media screen and (max-width:640px){
  :root{--yx-space-sec:56px;}
  .grid-container{padding-left:20px;padding-right:20px;}
  body{font-size:16px;}
  .yx-pagehead{padding:52px 0 40px;}
  .yx-pagehead h1{font-size:clamp(2rem,8vw,2.6rem);}
  .yx-pagehead-cta{gap:10px;}
  .yx-pagehead-cta .yx-btn{flex:1 1 auto;}
  .yx-pagehead-meta{gap:22px;}
  .yx-cta{padding:56px 0;}
  .yx-form-row{flex-direction:column;}
  .yx-form-row .yx-btn{width:100%;}
  .yx-footer-cols{grid-template-columns:1fr;gap:32px;}
  .yx-footer-bar{flex-direction:column;gap:8px;}
  .yx-stat-grid{grid-template-columns:1fr;}
  .yx-rank-row{
    grid-template-columns:48px minmax(0,1fr) auto;
    grid-template-areas:
      "no main delta"
      "thumb meta score";
    gap:12px 14px;padding:16px 18px;
  }
  .yx-rank-no{grid-area:no;font-size:24px;}
  .yx-rank-thumb{grid-area:thumb;width:44px;height:66px;}
  .yx-rank-main{grid-area:main;}
  .yx-rank-delta{grid-area:delta;}
  .yx-rank-meta{grid-area:meta;}
  .yx-rank-score{grid-area:score;font-size:1rem;min-width:0;}
  .yx-rank-main h3{white-space:normal;}
  .yx-rank-main p{white-space:normal;}
  .yx-sec-head{flex-direction:column;align-items:flex-start;gap:14px;}
}

/* roulang page: category3 */
:root{
  --yx-primary:#17E0A8;
  --yx-accent:#D8FF3E;
  --yx-coral:#FF6A3D;
  --yx-bg:#0B0D0C;
  --yx-surface:#14171A;
  --yx-surface-2:#1B1F22;
  --yx-text:#F2F5F3;
  --yx-text-2:#A3ADA8;
  --yx-text-3:#6C7671;
  --yx-line:rgba(255,255,255,.08);
  --yx-line-strong:rgba(255,255,255,.18);
  --yx-line-active:rgba(23,224,168,.45);
  --yx-radius:14px;
  --yx-radius-sm:12px;
  --yx-shadow:0 18px 40px rgba(0,0,0,.45);
  --yx-shadow-hero:0 26px 60px rgba(0,0,0,.55);
  --yx-ease:cubic-bezier(.22,.61,.36,1);
  --yx-gap:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--yx-bg);
  color:var(--yx-text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Inter,Roboto,sans-serif;
  font-size:1.0625rem;
  line-height:1.9;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .12s var(--yx-ease)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
p{margin:0 0 16px}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em}
ul{margin:0;padding:0;list-style:none}
::selection{background:rgba(23,224,168,.3);color:#fff}
:focus-visible{outline:2px solid var(--yx-primary);outline-offset:2px;border-radius:8px}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:#0B0D0C}
::-webkit-scrollbar-thumb{background:#242A28;border-radius:999px;border:2px solid #0B0D0C}
::-webkit-scrollbar-thumb:hover{background:#313936}

.grid-container{max-width:1240px;padding-left:32px;padding-right:32px}
@media screen and (max-width:640px){
  .grid-container{padding-left:20px;padding-right:20px}
}

/* ============ Header ============ */
.yx-header{
  position:sticky;top:0;z-index:70;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .26s var(--yx-ease),border-color .26s var(--yx-ease),backdrop-filter .26s var(--yx-ease);
}
.yx-header.is-stuck{
  background:rgba(11,13,12,.86);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom-color:var(--yx-line);
}
.yx-nav{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.yx-logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.yx-logo-mark{width:30px;height:30px;flex:none;display:block}
.yx-logo-text{font-size:1.0625rem;font-weight:800}
.yx-logo-text em{font-style:normal;color:var(--yx-primary)}
.yx-nav-links{display:flex;align-items:center;gap:26px}
.yx-nav-links a{
  position:relative;display:inline-block;padding:6px 0;
  font-size:.875rem;letter-spacing:.02em;color:var(--yx-text-2);
  transition:color .12s var(--yx-ease);
}
.yx-nav-links a:hover{color:var(--yx-text)}
.yx-nav-links a.is-active{color:var(--yx-text);font-weight:600}
.yx-nav-links a.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--yx-primary);border-radius:2px;
}
.yx-nav-actions{display:flex;align-items:center;gap:12px}
.yx-icon-btn{
  width:36px;height:36px;border-radius:999px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--yx-line-strong);color:var(--yx-text-2);
  transition:border-color .12s var(--yx-ease),color .12s var(--yx-ease),background .12s var(--yx-ease);
}
.yx-icon-btn:hover{border-color:var(--yx-primary);color:var(--yx-primary);background:rgba(23,224,168,.08)}
.yx-burger{
  display:none;width:44px;height:44px;border-radius:10px;
  align-items:center;justify-content:center;border:1px solid var(--yx-line-strong);
}
.yx-burger span{display:block;width:18px;height:2px;background:var(--yx-text);position:relative;border-radius:2px}
.yx-burger span::before,.yx-burger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--yx-text);border-radius:2px;
}
.yx-burger span::before{top:-6px}
.yx-burger span::after{top:6px}

/* ============ Buttons ============ */
.yx-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 26px;border-radius:999px;
  font-size:.9375rem;font-weight:600;white-space:nowrap;
  transition:transform .12s var(--yx-ease),box-shadow .12s var(--yx-ease),background .12s var(--yx-ease),border-color .12s var(--yx-ease),color .12s var(--yx-ease),filter .12s var(--yx-ease);
}
.yx-btn--primary{background:var(--yx-primary);color:#0B0D0C}
.yx-btn--primary:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 10px 26px rgba(23,224,168,.28);color:#0B0D0C}
.yx-btn--primary:active{transform:translateY(0);box-shadow:none}
.yx-btn--ghost{border:1px solid var(--yx-line-strong);color:var(--yx-text)}
.yx-btn--ghost:hover{border-color:var(--yx-primary);color:var(--yx-primary);transform:translateY(-1px)}
.yx-btn--ghost:active{transform:translateY(0)}
.yx-btn--sm{height:38px;padding:0 18px;font-size:.875rem}
.yx-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:.875rem;color:var(--yx-text-2);
  transition:color .12s var(--yx-ease);
}
.yx-link:hover{color:var(--yx-primary);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:6px}

/* ============ Page head ============ */
.yx-page-head{
  position:relative;overflow:hidden;
  min-height:44vh;display:flex;align-items:flex-end;
  background:#0B0D0C url("/assets/images/backpic/back-2.png") center/cover no-repeat;
  border-bottom:1px solid var(--yx-line);
}
.yx-page-head::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(52% 58% at 76% 24%, rgba(23,224,168,.20), transparent 68%),
    linear-gradient(180deg, rgba(11,13,12,.62) 0%, rgba(11,13,12,.90) 62%, rgba(11,13,12,.98) 100%);
}
.yx-head-inner{position:relative;padding:64px 0 44px;width:100%}
.yx-crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.8125rem;color:var(--yx-text-3);margin-bottom:18px}
.yx-crumb a{color:var(--yx-text-2)}
.yx-crumb a:hover{color:var(--yx-primary)}
.yx-crumb span.sep{color:var(--yx-text-3)}
.yx-crumb .now{color:var(--yx-text)}
.yx-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.75rem;letter-spacing:.16em;color:var(--yx-primary);
  text-transform:uppercase;margin-bottom:16px;
}
.yx-eyebrow::before{content:"";width:22px;height:1px;background:var(--yx-primary);display:block}
.yx-page-head h1{
  font-size:clamp(2rem,4.2vw,3.4rem);
  font-weight:900;line-height:1.08;letter-spacing:-.02em;margin-bottom:16px;
  max-width:22ch;
}
.yx-page-head h1 em{font-style:normal;color:var(--yx-accent)}
.yx-head-sub{max-width:60ch;color:var(--yx-text-2);font-size:1rem;margin-bottom:26px}
.yx-head-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ============ Stat strip ============ */
.yx-strip{border-bottom:1px solid var(--yx-line);background:var(--yx-surface)}
.yx-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:var(--yx-line)}
.yx-stat{background:var(--yx-surface);padding:22px 20px}
.yx-stat-num{
  display:block;font-size:1.375rem;font-weight:800;letter-spacing:-.03em;
  font-variant-numeric:tabular-nums;color:var(--yx-text);
}
.yx-stat-num i{font-style:normal;color:var(--yx-primary)}
.yx-stat-label{display:block;font-size:.8125rem;color:var(--yx-text-3);margin-top:4px;line-height:1.6}

/* ============ Sections ============ */
.yx-section{padding:var(--yx-gap) 0}
.yx-section--tight{padding-top:64px}
.yx-sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:34px}
.yx-sec-head h2{font-size:clamp(1.5rem,2.4vw,1.9rem);font-weight:700;letter-spacing:-.01em}
.yx-sec-head p{color:var(--yx-text-2);font-size:.9375rem;margin:8px 0 0;max-width:64ch}

/* ============ Split layout ============ */
.yx-split{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,3fr);gap:40px;align-items:start}

/* ============ Post cards ============ */
.yx-post-list{display:flex;flex-direction:column;gap:18px}
.yx-post{
  display:grid;grid-template-columns:208px minmax(0,1fr);gap:20px;
  padding:18px;background:var(--yx-surface);
  border:1px solid var(--yx-line);border-radius:var(--yx-radius);
  transition:border-color .18s var(--yx-ease),transform .18s var(--yx-ease),box-shadow .18s var(--yx-ease);
}
.yx-post:hover{border-color:var(--yx-line-active);transform:translateY(-2px);box-shadow:var(--yx-shadow)}
.yx-post-thumb{
  aspect-ratio:16/10;border-radius:10px;overflow:hidden;background:var(--yx-surface-2);
}
.yx-post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .18s var(--yx-ease)}
.yx-post:hover .yx-post-thumb img{transform:scale(1.04)}
.yx-post-body{display:flex;flex-direction:column;gap:8px;min-width:0}
.yx-post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:.75rem;color:var(--yx-text-3)}
.yx-post h3{font-size:1.125rem;font-weight:600;line-height:1.5;letter-spacing:-.01em}
.yx-post h3 a{transition:color .12s var(--yx-ease)}
.yx-post:hover h3 a{color:var(--yx-primary)}
.yx-post p{color:var(--yx-text-2);font-size:.9375rem;line-height:1.8;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.yx-post-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:6px}
.yx-badge{
  display:inline-flex;align-items:center;height:22px;padding:0 8px;border-radius:4px;
  font-size:.75rem;font-weight:600;letter-spacing:.02em;
  background:rgba(23,224,168,.12);color:var(--yx-primary);
}
.yx-badge--new{background:rgba(255,106,61,.14);color:var(--yx-coral)}
.yx-badge--ghost{background:transparent;border:1px solid var(--yx-line-strong);color:var(--yx-text-2);font-weight:500}
.yx-time{font-size:.8125rem;color:var(--yx-text-3);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.yx-loadmore{display:flex;justify-content:center;margin-top:28px}

/* ============ Sidebar ============ */
.yx-side{display:flex;flex-direction:column;gap:20px;position:sticky;top:96px}
.yx-side-card{
  background:var(--yx-surface);border:1px solid var(--yx-line);
  border-radius:var(--yx-radius);padding:20px;
}
.yx-side-card h3{font-size:.9375rem;font-weight:700;margin-bottom:14px}
.yx-side-title{
  display:flex;align-items:center;gap:8px;font-size:.75rem;letter-spacing:.14em;
  color:var(--yx-primary);margin-bottom:14px;
}
.yx-side-title::before{content:"";width:16px;height:1px;background:var(--yx-primary);display:block}
.yx-tags{display:flex;flex-wrap:wrap;gap:8px}
.yx-tag{
  display:inline-flex;align-items:center;height:30px;padding:0 12px;
  border-radius:999px;border:1px solid var(--yx-line);background:var(--yx-surface-2);
  font-size:.8125rem;color:var(--yx-text-2);
  transition:border-color .12s var(--yx-ease),color .12s var(--yx-ease);
}
.yx-tag:hover{border-color:var(--yx-primary);color:var(--yx-primary)}
.yx-pick{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--yx-line);align-items:center}
.yx-pick:last-child{border-bottom:0;padding-bottom:0}
.yx-pick:first-of-type{padding-top:0}
.yx-pick-img{width:64px;height:64px;flex:none;border-radius:10px;overflow:hidden;background:var(--yx-surface-2)}
.yx-pick-img img{width:100%;height:100%;object-fit:cover}
.yx-pick-body{min-width:0}
.yx-pick-body strong{display:block;font-size:.875rem;font-weight:600;line-height:1.55;margin-bottom:2px}
.yx-pick-body span{font-size:.75rem;color:var(--yx-text-3)}
.yx-sub p{font-size:.875rem;color:var(--yx-text-2);margin-bottom:14px;line-height:1.75}
.yx-field{display:block;margin-bottom:12px}
.yx-field label{display:block;font-size:.75rem;letter-spacing:.06em;color:var(--yx-text-2);margin-bottom:6px}
.yx-input{
  width:100%;height:46px;padding:0 14px;border-radius:10px;
  background:transparent;border:1px solid rgba(255,255,255,.12);
  color:var(--yx-text);font-size:.9375rem;
  transition:border-color .12s var(--yx-ease),box-shadow .12s var(--yx-ease);
}
.yx-input::placeholder{color:var(--yx-text-3)}
.yx-input:focus{outline:none;border-color:var(--yx-primary);box-shadow:0 0 0 4px rgba(23,224,168,.20)}
.yx-sub .yx-btn{width:100%}

/* ============ Scene list ============ */
.yx-scenes{display:flex;flex-direction:column;border-top:1px solid var(--yx-line)}
.yx-scene{
  display:grid;grid-template-columns:64px minmax(0,1fr) minmax(0,1.1fr);
  gap:24px;align-items:center;padding:26px 0;border-bottom:1px solid var(--yx-line);
  transition:background .18s var(--yx-ease);
}
.yx-scene:hover{background:rgba(255,255,255,.02)}
.yx-scene-no{
  font-size:1.5rem;font-weight:900;color:var(--yx-accent);
  letter-spacing:-.03em;font-variant-numeric:tabular-nums;
}
.yx-scene h3{font-size:1.0625rem;font-weight:600;line-height:1.6}
.yx-scene p{color:var(--yx-text-2);font-size:.9375rem;margin:0;line-height:1.8}

/* ============ Steps ============ */
.yx-steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.yx-step{
  position:relative;padding:24px 20px;border-radius:var(--yx-radius);
  background:var(--yx-surface);border:1px solid var(--yx-line);
  transition:border-color .18s var(--yx-ease),transform .18s var(--yx-ease);
}
.yx-step:hover{border-color:var(--yx-line-active);transform:translateY(-3px)}
.yx-step-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:32px;height:32px;border-radius:999px;
  border:1px solid var(--yx-line-active);color:var(--yx-primary);
  font-size:.8125rem;font-weight:700;font-variant-numeric:tabular-nums;margin-bottom:14px;
}
.yx-step h3{font-size:1.0625rem;font-weight:600;margin-bottom:8px}
.yx-step p{color:var(--yx-text-2);font-size:.875rem;line-height:1.8;margin:0}

/* ============ FAQ ============ */
.yx-faq{border-top:1px solid var(--yx-line)}
.yx-faq-item{border-bottom:1px solid var(--yx-line)}
.yx-faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;text-align:left;font-size:1rem;font-weight:600;
  transition:color .12s var(--yx-ease);
}
.yx-faq-q:hover{color:var(--yx-primary)}
.yx-faq-icon{position:relative;width:16px;height:16px;flex:none}
.yx-faq-icon::before,.yx-faq-icon::after{
  content:"";position:absolute;background:var(--yx-primary);border-radius:2px;
  transition:transform .22s var(--yx-ease),opacity .22s var(--yx-ease);
}
.yx-faq-icon::before{top:7px;left:0;width:16px;height:2px}
.yx-faq-icon::after{top:0;left:7px;width:2px;height:16px}
.yx-faq-item.is-open .yx-faq-icon::after{transform:scaleY(0);opacity:0}
.yx-faq-a{max-height:0;overflow:hidden;transition:max-height .22s var(--yx-ease)}
.yx-faq-a p{max-width:72ch;color:var(--yx-text-2);font-size:.9375rem;line-height:1.85;padding-bottom:22px;margin:0}

/* ============ CTA ============ */
.yx-cta{
  position:relative;overflow:hidden;
  border-top:1px solid var(--yx-line);border-bottom:1px solid var(--yx-line);
  background:#0B0D0C;
}
.yx-cta::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(58% 120% at 18% 50%, rgba(23,224,168,.12), transparent 70%);
}
.yx-cta-inner{
  position:relative;display:flex;align-items:center;justify-content:space-between;
  gap:36px;padding:64px 0;
}
.yx-cta h2{font-size:clamp(1.5rem,2.4vw,1.9rem);font-weight:700;margin-bottom:8px}
.yx-cta p{color:var(--yx-text-2);font-size:.9375rem;margin:0;max-width:56ch}
.yx-cta-form{display:flex;gap:12px;align-items:center;flex:none}
.yx-cta-form .yx-input{width:280px}

/* ============ Footer ============ */
.yx-footer{border-top:1px solid var(--yx-line);background:#0A0C0B;padding-top:64px}
.yx-footer-cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding-bottom:48px}
.yx-footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.yx-footer-brand strong{font-size:1rem;font-weight:800}
.yx-footer-about{color:var(--yx-text-2);font-size:.875rem;line-height:1.8;max-width:34ch;margin:0}
.yx-footer h3{font-size:.8125rem;letter-spacing:.08em;color:var(--yx-primary);margin-bottom:16px;font-weight:700}
.yx-footer-links{display:flex;flex-direction:column;gap:10px}
.yx-footer-links a,.yx-footer-links span{font-size:.875rem;color:var(--yx-text-2)}
.yx-footer-links a:hover{color:#fff;text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:5px;text-decoration-color:var(--yx-primary)}
.yx-footer-bar{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  padding:22px 0;border-top:1px solid var(--yx-line);
  font-size:.8125rem;color:var(--yx-text-3);
}

/* ============ Drawer ============ */
.yx-drawer{
  position:fixed;inset:0;z-index:90;background:var(--yx-surface);
  display:flex;flex-direction:column;
  transform:translateX(100%);visibility:hidden;
  transition:transform .22s var(--yx-ease),visibility .22s var(--yx-ease);
}
.yx-drawer.is-open{transform:translateX(0);visibility:visible}
.yx-drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 20px;border-bottom:1px solid var(--yx-line);
}
.yx-drawer-close{width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;font-size:1.25rem;color:var(--yx-text-2)}
.yx-drawer-links{flex:1;overflow-y:auto;padding:8px 0}
.yx-drawer-links a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:56px;padding:0 20px;font-size:1rem;color:var(--yx-text-2);
  border-bottom:1px solid var(--yx-line);
}
.yx-drawer-links a.is-active{color:var(--yx-primary);font-weight:600}
.yx-drawer-foot{padding:16px 20px;border-top:1px solid var(--yx-line);display:flex;flex-direction:column;gap:10px}
.yx-drawer-foot .yx-btn{width:100%}

/* ============ Animation ============ */
.yx-rise{opacity:0;transform:translateY(12px)}
.yx-rise.is-in{opacity:1;transform:none;transition:opacity .26s var(--yx-ease),transform .26s var(--yx-ease)}

/* ============ Responsive ============ */
@media screen and (max-width:1024px){
  :root{--yx-gap:72px}
  .yx-nav-links{display:none}
  .yx-burger{display:inline-flex}
  .yx-nav-actions .yx-btn{display:none}
  .yx-split{grid-template-columns:minmax(0,1fr);gap:32px}
  .yx-side{position:static;flex-direction:row;flex-wrap:wrap}
  .yx-side-card{flex:1 1 320px}
  .yx-steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .yx-footer-cols{grid-template-columns:1fr 1fr;gap:32px}
  .yx-cta-inner{flex-direction:column;align-items:flex-start;gap:24px;padding:56px 0}
}
@media screen and (max-width:640px){
  :root{--yx-gap:56px}
  body{font-size:1rem;line-height:1.85}
  .yx-page-head{min-height:0}
  .yx-head-inner{padding:48px 0 36px}
  .yx-page-head h1{font-size:clamp(1.75rem,7vw,2.2rem);max-width:none}
  .yx-head-actions .yx-btn{width:100%}
  .yx-stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .yx-post{grid-template-columns:minmax(0,1fr);gap:14px;padding:14px}
  .yx-post-thumb{aspect-ratio:16/9}
  .yx-scenes .yx-scene{grid-template-columns:44px minmax(0,1fr);gap:14px;padding:22px 0}
  .yx-scene p{grid-column:2 / -1}
  .yx-steps{grid-template-columns:minmax(0,1fr)}
  .yx-side{flex-direction:column}
  .yx-side-card{flex:1 1 auto}
  .yx-footer-cols{grid-template-columns:1fr;gap:28px;padding-bottom:36px}
  .yx-cta-form{flex-direction:column;align-items:stretch;width:100%}
  .yx-cta-form .yx-input{width:100%}
  .yx-cta-form .yx-btn{width:100%}
  .yx-footer-bar{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .yx-rise{opacity:1;transform:none}
}

/* roulang page: category4 */
:root{
  --yx-primary:#17E0A8;
  --yx-accent:#D8FF3E;
  --yx-warn:#FF6A3D;
  --yx-bg:#0B0D0C;
  --yx-surface:#14171A;
  --yx-surface-2:#1B1F22;
  --yx-text:#F2F5F3;
  --yx-text-2:#A3ADA8;
  --yx-text-3:#6C7671;
  --yx-line:rgba(255,255,255,.08);
  --yx-line-strong:rgba(255,255,255,.18);
  --yx-line-active:rgba(23,224,168,.45);
  --yx-r-card:14px;
  --yx-r-poster:12px;
  --yx-r-badge:4px;
  --yx-r-pill:999px;
  --yx-shadow-card:0 18px 40px rgba(0,0,0,.45);
  --yx-shadow-hero:0 26px 60px rgba(0,0,0,.55);
  --yx-ease:cubic-bezier(.22,.61,.36,1);
  --yx-gap:96px;
  --yx-font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --yx-mono:"Inter","SFMono-Regular",ui-monospace,Menlo,Consolas,monospace;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--yx-bg);
  color:var(--yx-text);
  font-family:var(--yx-font);
  font-size:1.0625rem;
  line-height:1.9;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .18s var(--yx-ease),border-color .18s var(--yx-ease);}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--yx-primary);outline-offset:2px;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
input{font-family:inherit;}
::selection{background:rgba(23,224,168,.3);color:#fff;}

::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:#0B0D0C;}
::-webkit-scrollbar-thumb{background:#22282a;border-radius:999px;border:2px solid #0B0D0C;}
::-webkit-scrollbar-thumb:hover{background:rgba(23,224,168,.5);}

.grid-container{
  max-width:1240px;
  padding-left:32px;
  padding-right:32px;
  margin-left:auto;
  margin-right:auto;
  width:100%;
}

/* ============ 顶部导航 ============ */
.yx-header{
  position:sticky;
  top:0;
  z-index:60;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .26s var(--yx-ease),border-color .26s var(--yx-ease),backdrop-filter .26s var(--yx-ease);
}
.yx-header.is-scrolled{
  background:rgba(11,13,12,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom-color:var(--yx-line);
}
.yx-nav{
  display:flex;
  align-items:center;
  gap:28px;
  height:72px;
}
.yx-logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.yx-logo-mark{width:28px;height:28px;flex:0 0 auto;}
.yx-logo-text{
  font-size:1.0625rem;
  font-weight:700;
  letter-spacing:-.01em;
  white-space:nowrap;
}
.yx-logo-text em{
  font-style:normal;
  color:var(--yx-primary);
}
.yx-nav-links{
  display:flex;
  align-items:center;
  gap:26px;
  margin-left:8px;
  flex:1 1 auto;
}
.yx-nav-links a{
  position:relative;
  font-size:.875rem;
  letter-spacing:.02em;
  color:var(--yx-text-2);
  padding:6px 0;
}
.yx-nav-links a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  background:var(--yx-primary);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .22s var(--yx-ease);
}
.yx-nav-links a:hover{color:var(--yx-text);}
.yx-nav-links a:hover::after,.yx-nav-links a.is-active::after{transform:scaleX(1);}
.yx-nav-links a.is-active{color:var(--yx-text);font-weight:600;}
.yx-nav-actions{
  display:flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
}
.yx-icon-btn{
  width:36px;height:36px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:999px;
  border:1px solid var(--yx-line-strong);
  background:transparent;
  color:var(--yx-text-2);
  transition:color .18s var(--yx-ease),border-color .18s var(--yx-ease),background .18s var(--yx-ease);
}
.yx-icon-btn:hover{color:var(--yx-primary);border-color:var(--yx-line-active);}
.yx-burger{
  display:none;
  width:44px;height:44px;
  border-radius:10px;
  border:1px solid var(--yx-line-strong);
  background:transparent;
  position:relative;
}
.yx-burger span,.yx-burger span::before,.yx-burger span::after{
  position:absolute;
  left:12px;
  width:20px;height:1.6px;
  background:var(--yx-text);
  content:"";
  transition:transform .22s var(--yx-ease),opacity .22s var(--yx-ease);
}
.yx-burger span{top:21px;}
.yx-burger span::before{top:-6px;left:0;}
.yx-burger span::after{top:6px;left:0;}
.yx-burger.is-open span{background:transparent;}
.yx-burger.is-open span::before{transform:translateY(6px) rotate(45deg);}
.yx-burger.is-open span::after{transform:translateY(-6px) rotate(-45deg);}

/* 移动抽屉 */
.yx-drawer{
  position:fixed;
  inset:0;
  background:var(--yx-surface);
  z-index:70;
  display:flex;
  flex-direction:column;
  transform:translateX(100%);
  transition:transform .22s var(--yx-ease);
  visibility:hidden;
}
.yx-drawer.is-open{transform:translateX(0);visibility:visible;}
.yx-drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 20px;
  border-bottom:1px solid var(--yx-line);
}
.yx-drawer-close{
  width:40px;height:40px;
  border-radius:10px;
  border:1px solid var(--yx-line-strong);
  background:transparent;color:var(--yx-text);
  font-size:1.25rem;line-height:1;
}
.yx-drawer-list{flex:1 1 auto;overflow-y:auto;}
.yx-drawer-list a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:56px;
  padding:0 20px;
  border-bottom:1px solid var(--yx-line);
  font-size:1rem;
  color:var(--yx-text-2);
}
.yx-drawer-list a.is-active{color:var(--yx-primary);}
.yx-drawer-foot{
  padding:16px 20px 24px;
  border-top:1px solid var(--yx-line);
  display:flex;flex-direction:column;gap:10px;
}

/* ============ 按钮 ============ */
.yx-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 26px;
  border-radius:var(--yx-r-pill);
  font-size:.9375rem;
  font-weight:600;
  letter-spacing:.01em;
  border:1px solid transparent;
  transition:background .12s var(--yx-ease),color .12s var(--yx-ease),border-color .12s var(--yx-ease),transform .12s var(--yx-ease),box-shadow .12s var(--yx-ease),filter .12s var(--yx-ease);
  white-space:nowrap;
}
.yx-btn--primary{
  background:var(--yx-primary);
  color:#0B0D0C;
}
.yx-btn--primary:hover{
  filter:brightness(1.06);
  transform:translateY(-1px);
  box-shadow:0 10px 26px rgba(23,224,168,.28);
  color:#0B0D0C;
}
.yx-btn--primary:active{transform:translateY(0);}
.yx-btn--ghost{
  background:transparent;
  color:var(--yx-text);
  border-color:var(--yx-line-strong);
}
.yx-btn--ghost:hover{
  color:var(--yx-primary);
  border-color:var(--yx-line-active);
  transform:translateY(-1px);
}
.yx-btn--ghost:active{transform:translateY(0);}
.yx-btn--sm{height:38px;padding:0 20px;font-size:.875rem;}
.yx-link{
  color:var(--yx-text-2);
  font-size:.875rem;
  border-bottom:2px solid transparent;
  padding-bottom:2px;
  transition:color .18s var(--yx-ease),border-color .18s var(--yx-ease);
}
.yx-link:hover{color:var(--yx-primary);border-bottom-color:var(--yx-primary);}

/* ============ 徽章 / 标签 ============ */
.yx-badge{
  display:inline-flex;
  align-items:center;
  height:22px;
  padding:0 8px;
  border-radius:var(--yx-r-badge);
  font-size:.75rem;
  letter-spacing:.04em;
  background:rgba(23,224,168,.12);
  color:var(--yx-primary);
  white-space:nowrap;
}
.yx-badge--warn{background:rgba(255,106,61,.14);color:var(--yx-warn);}
.yx-badge--accent{background:rgba(216,255,62,.14);color:var(--yx-accent);}
.yx-badge--mute{background:rgba(255,255,255,.06);color:var(--yx-text-2);}

/* ============ 内页页头 ============ */
.yx-pagehead{
  position:relative;
  overflow:hidden;
  padding:96px 0 64px;
  border-bottom:1px solid var(--yx-line);
  background-color:#0E1211;
  background-image:linear-gradient(180deg,rgba(11,13,12,.72) 0%,rgba(11,13,12,.92) 62%,#0B0D0C 100%),url("/assets/images/backpic/back-1.png");
  background-size:cover;
  background-position:center;
}
.yx-pagehead::after{
  content:"";
  position:absolute;
  top:-30%;
  right:-8%;
  width:56%;
  height:130%;
  background:radial-gradient(circle,rgba(23,224,168,.16) 0%,rgba(23,224,168,0) 66%);
  pointer-events:none;
}
.yx-pagehead .grid-container{position:relative;z-index:1;}
.yx-crumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:.8125rem;
  color:var(--yx-text-3);
  margin-bottom:22px;
  flex-wrap:wrap;
}
.yx-crumb a:hover{color:var(--yx-primary);}
.yx-crumb span.sep{color:var(--yx-text-3);}
.yx-crumb .current{color:var(--yx-text-2);}
.yx-pagehead h1{
  font-size:clamp(2.2rem,4.6vw,3.6rem);
  font-weight:900;
  line-height:1.08;
  letter-spacing:-.02em;
  margin-bottom:18px;
  max-width:20ch;
}
.yx-pagehead h1 em{
  font-style:normal;
  color:var(--yx-accent);
}
.yx-pagehead-lead{
  max-width:60ch;
  color:var(--yx-text-2);
  font-size:1.0625rem;
  margin-bottom:28px;
}
.yx-pagehead-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* 数据条 */
.yx-stats{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:1px;
  margin-top:44px;
  background:var(--yx-line);
  border:1px solid var(--yx-line);
  border-radius:var(--yx-r-card);
  overflow:hidden;
}
.yx-stat{
  background:rgba(20,23,26,.72);
  padding:18px 20px;
}
.yx-stat dt{
  font-size:.75rem;
  letter-spacing:.06em;
  color:var(--yx-text-3);
  margin-bottom:6px;
}
.yx-stat dd{
  margin:0;
  font-family:var(--yx-mono);
  font-size:1.375rem;
  font-weight:600;
  letter-spacing:-.03em;
  color:var(--yx-text);
}
.yx-stat dd small{font-size:.8125rem;color:var(--yx-text-2);font-weight:400;margin-left:4px;letter-spacing:0;}

/* 季度锚点 */
.yx-anchors{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  padding:20px 0 0;
}
.yx-anchor{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:34px;
  padding:0 14px;
  border-radius:var(--yx-r-pill);
  border:1px solid var(--yx-line-strong);
  font-size:.8125rem;
  color:var(--yx-text-2);
  transition:color .18s var(--yx-ease),border-color .18s var(--yx-ease),background .18s var(--yx-ease);
}
.yx-anchor:hover{color:var(--yx-primary);border-color:var(--yx-line-active);background:rgba(23,224,168,.06);}
.yx-anchor b{font-family:var(--yx-mono);font-weight:600;color:var(--yx-accent);}

/* ============ 通用板块 ============ */
.yx-section{padding-top:var(--yx-gap);}
.yx-section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:36px;
  flex-wrap:wrap;
}
.yx-section-head h2{
  font-size:clamp(1.5rem,2.4vw,1.9rem);
  font-weight:700;
  letter-spacing:-.01em;
  line-height:1.3;
}
.yx-section-head p{
  color:var(--yx-text-2);
  font-size:.9375rem;
  max-width:52ch;
  margin-top:8px;
}

/* ============ 归档分段 ============ */
.yx-arch-block{
  padding-top:52px;
  margin-top:52px;
  border-top:1px solid var(--yx-line);
}
.yx-arch-block:first-of-type{border-top:0;margin-top:0;padding-top:0;}
.yx-arch-head{
  display:flex;
  align-items:flex-end;
  gap:24px;
  margin-bottom:38px;
  flex-wrap:wrap;
}
.yx-arch-num{
  font-family:var(--yx-mono);
  font-size:clamp(3.4rem,7.5vw,5.6rem);
  font-weight:900;
  line-height:.86;
  letter-spacing:-.05em;
  color:transparent;
  -webkit-text-stroke:1.5px rgba(23,224,168,.5);
  flex:0 0 auto;
}
.yx-arch-title{flex:1 1 320px;min-width:0;}
.yx-arch-title h2{
  font-size:clamp(1.4rem,2.2vw,1.75rem);
  font-weight:700;
  letter-spacing:-.01em;
  display:flex;
  align-items:center;
  gap:12px;
  flex-wrap:wrap;
}
.yx-arch-title p{
  color:var(--yx-text-2);
  font-size:.9375rem;
  margin-top:10px;
  max-width:56ch;
}
.yx-arch-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:28px;
}
.yx-arch-col{display:flex;flex-direction:column;gap:28px;}
.yx-arch-col--offset{margin-top:56px;}

.yx-card{
  position:relative;
  display:flex;
  flex-direction:column;
  background:var(--yx-surface);
  border:1px solid var(--yx-line);
  border-radius:var(--yx-r-card);
  overflow:hidden;
  box-shadow:var(--yx-shadow-card);
  transition:transform .18s var(--yx-ease),border-color .18s var(--yx-ease),box-shadow .18s var(--yx-ease);
}
.yx-card:hover{
  transform:translateY(-4px);
  border-color:var(--yx-line-active);
}
.yx-card figure{
  margin:0;
  aspect-ratio:16/10;
  overflow:hidden;
  background:#0F1214;
}
.yx-card figure img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .3s var(--yx-ease);
}
.yx-card:hover figure img{transform:scale(1.04);}
.yx-card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.yx-card-tags{display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.yx-card h3{
  font-size:1.125rem;
  font-weight:600;
  line-height:1.5;
  letter-spacing:-.005em;
}
.yx-card h3 a{display:block;}
.yx-card h3 a:hover{color:var(--yx-primary);}
.yx-card p{
  color:var(--yx-text-2);
  font-size:.9375rem;
  line-height:1.8;
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.yx-card-foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-top:auto;
  padding-top:6px;
  font-size:.8125rem;
  color:var(--yx-text-3);
}
.yx-card-foot time{font-family:var(--yx-mono);letter-spacing:-.02em;}
.yx-card-foot .yx-link{font-size:.8125rem;}

/* ============ 阅读方式（左文右列表） ============ */
.yx-how{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:48px;
  align-items:start;
}
.yx-how-intro h2{
  font-size:clamp(1.5rem,2.4vw,1.9rem);
  font-weight:700;
  letter-spacing:-.01em;
  margin-bottom:16px;
}
.yx-how-intro p{color:var(--yx-text-2);font-size:1rem;max-width:46ch;}
.yx-how-list{display:flex;flex-direction:column;gap:1px;background:var(--yx-line);border:1px solid var(--yx-line);border-radius:var(--yx-r-card);overflow:hidden;}
.yx-how-item{
  background:var(--yx-surface);
  padding:22px 24px;
  display:grid;
  grid-template-columns:44px 1fr;
  gap:18px;
  align-items:start;
  transition:background .18s var(--yx-ease);
}
.yx-how-item:hover{background:var(--yx-surface-2);}
.yx-how-item .idx{
  font-family:var(--yx-mono);
  font-size:1rem;
  font-weight:700;
  color:var(--yx-accent);
  letter-spacing:-.03em;
  padding-top:2px;
}
.yx-how-item h3{font-size:1.0625rem;font-weight:600;margin-bottom:6px;}
.yx-how-item p{color:var(--yx-text-2);font-size:.9375rem;}

/* ============ FAQ ============ */
.yx-faq.accordion{
  background:transparent;
  border:0;
  margin:0;
}
.yx-faq .accordion-item{
  background:transparent;
  border-bottom:1px solid var(--yx-line);
}
.yx-faq .accordion-item:first-child{border-top:1px solid var(--yx-line);}
.yx-faq .accordion-title{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:22px 0;
  font-size:1rem;
  font-weight:600;
  color:var(--yx-text);
  border:0;
  background:transparent;
  transition:color .18s var(--yx-ease);
}
.yx-faq .accordion-title:hover{color:var(--yx-primary);background:transparent;}
.yx-faq .accordion-title::before{
  content:"+";
  order:2;
  font-family:var(--yx-mono);
  font-size:1.25rem;
  font-weight:400;
  color:var(--yx-primary);
  line-height:1;
  margin:0;
  transform:rotate(0deg);
  transition:transform .22s var(--yx-ease);
  position:static;
  flex:0 0 auto;
}
.yx-faq .accordion-item.is-active .accordion-title::before{
  content:"+";
  transform:rotate(45deg);
}
.yx-faq .accordion-content{
  padding:0 0 24px 0;
  border:0;
  background:transparent;
  color:var(--yx-text-2);
  font-size:.9375rem;
  line-height:1.9;
  max-width:72ch;
}
.yx-faq .accordion-content p{margin-bottom:10px;}
.yx-faq .accordion-content p:last-child{margin-bottom:0;}

/* ============ CTA 横幅 ============ */
.yx-cta{
  position:relative;
  margin-top:var(--yx-gap);
  padding:64px 0;
  border-top:1px solid var(--yx-line);
  border-bottom:1px solid var(--yx-line);
  overflow:hidden;
  background:#0D100F;
}
.yx-cta::after{
  content:"";
  position:absolute;
  top:50%;left:50%;
  width:60%;height:220%;
  transform:translate(-50%,-50%);
  background:radial-gradient(circle,rgba(23,224,168,.12) 0%,rgba(23,224,168,0) 62%);
  pointer-events:none;
}
.yx-cta .grid-container{position:relative;z-index:1;}
.yx-cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
  flex-wrap:wrap;
}
.yx-cta-copy{flex:1 1 380px;min-width:0;}
.yx-cta-copy h2{
  font-size:clamp(1.5rem,2.4vw,1.9rem);
  font-weight:700;
  letter-spacing:-.01em;
  margin-bottom:12px;
}
.yx-cta-copy p{color:var(--yx-text-2);font-size:.9375rem;max-width:52ch;}
.yx-cta-form{display:flex;gap:12px;flex:0 1 460px;min-width:0;flex-wrap:wrap;}
.yx-field{flex:1 1 220px;min-width:0;}
.yx-field label{
  display:block;
  font-size:.75rem;
  letter-spacing:.06em;
  color:var(--yx-text-2);
  margin-bottom:8px;
}
.yx-field input{
  width:100%;
  height:46px;
  padding:0 16px;
  background:transparent;
  border:1px solid rgba(255,255,255,.12);
  border-radius:10px;
  color:var(--yx-text);
  font-size:.9375rem;
  transition:border-color .18s var(--yx-ease),box-shadow .18s var(--yx-ease);
}
.yx-field input::placeholder{color:var(--yx-text-3);}
.yx-field input:focus{
  outline:none;
  border-color:var(--yx-primary);
  box-shadow:0 0 0 3px rgba(23,224,168,.2);
}
.yx-cta-form .yx-btn{align-self:flex-end;}

/* ============ 页脚 ============ */
.yx-footer{
  padding:72px 0 0;
  background:#090B0A;
  border-top:1px solid var(--yx-line);
}
.yx-footer-cols{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:48px;
}
.yx-footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
}
.yx-footer-brand strong{font-size:1.0625rem;font-weight:700;}
.yx-footer-about{
  color:var(--yx-text-2);
  font-size:.875rem;
  line-height:1.9;
  max-width:34ch;
}
.yx-footer h3{
  font-size:.8125rem;
  font-weight:600;
  letter-spacing:.08em;
  color:var(--yx-primary);
  margin-bottom:18px;
}
.yx-footer-links{display:flex;flex-direction:column;gap:12px;}
.yx-footer-links a,
.yx-footer-links span{
  font-size:.875rem;
  color:var(--yx-text-2);
}
.yx-footer-links a:hover{
  color:#fff;
  border-bottom:1px solid var(--yx-primary);
  padding-bottom:1px;
}
.yx-footer-bar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding:22px 0 28px;
  border-top:1px solid var(--yx-line);
  font-size:.8125rem;
  color:var(--yx-text-3);
}

/* ============ 动画 ============ */
.yx-reveal{
  opacity:0;
  transform:translateY(12px);
  transition:opacity .26s var(--yx-ease),transform .26s var(--yx-ease);
}
.yx-reveal.is-in{opacity:1;transform:none;}

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

/* ============ 响应式 ============ */
@media screen and (max-width:1024px){
  :root{--yx-gap:72px;}
  .grid-container{padding-left:24px;padding-right:24px;}
  .yx-nav-links{display:none;}
  .yx-burger{display:inline-flex;align-items:center;justify-content:center;}
  .yx-nav-actions .yx-btn--sm{display:none;}
  .yx-arch-grid{gap:22px;}
  .yx-arch-col--offset{margin-top:42px;}
  .yx-how{grid-template-columns:1fr;gap:32px;}
  .yx-footer-cols{grid-template-columns:1fr 1fr;gap:32px;}
}

@media screen and (max-width:640px){
  :root{--yx-gap:56px;}
  body{font-size:1rem;line-height:1.85;}
  .grid-container{padding-left:20px;padding-right:20px;}
  .yx-pagehead{padding:72px 0 48px;}
  .yx-pagehead h1{max-width:none;font-size:clamp(1.9rem,8vw,2.4rem);}
  .yx-stats{grid-template-columns:1fr;}
  .yx-arch-grid{grid-template-columns:1fr;gap:20px;}
  .yx-arch-col{gap:20px;}
  .yx-arch-col--offset{margin-top:0;}
  .yx-arch-num{font-size:3rem;}
  .yx-how-item{grid-template-columns:32px 1fr;gap:12px;padding:18px;}
  .yx-card figure{aspect-ratio:16/9;}
  .yx-cta{padding:52px 0;}
  .yx-cta-inner{gap:24px;}
  .yx-cta-form{flex-direction:column;align-items:stretch;flex:1 1 100%;}
  .yx-cta-form .yx-btn{align-self:stretch;width:100%;}
  .yx-footer-cols{grid-template-columns:1fr;gap:28px;}
  .yx-footer-bar{flex-direction:column;align-items:flex-start;gap:8px;}
  .yx-pagehead-actions .yx-btn{width:100%;}
}