/* roulang page: index */
:root{
  --ink-900:#0B0D26;
  --ink-800:#141838;
  --nebula-700:#472FBB;
  --nebula-600:#5B3FD6;
  --nebula-500:#7357E8;
  --nebula-050:#EDE9FE;
  --stardust-600:#10857A;
  --stardust-400:#35D0BA;
  --stardust-050:#DFF7F3;
  --ember-600:#C2410C;
  --ember-500:#FF7A45;
  --ember-050:#FFE9DF;
  --paper:#F7F6FB;
  --card:#FFFFFF;
  --line:#E6E4F2;
  --line-strong:#D9D3F5;
  --t1:#14162E;
  --t2:#5B5F7C;
  --t3:#8A8EA8;
  --on-dark-1:#EDEBFF;
  --on-dark-2:rgba(237,235,255,.72);
  --sh-1:0 1px 2px rgba(11,13,38,.04),0 8px 24px -12px rgba(11,13,38,.14);
  --sh-2:0 18px 48px -20px rgba(91,63,214,.28);
  --r-card:16px;
  --r-btn:12px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Source Han Sans SC','Noto Sans SC',system-ui,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--t1);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--stardust-400);outline-offset:2px;border-radius:6px}

.olu-container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){.olu-container{padding:0 32px}}

/* ============ 顶部倒计时条 ============ */
.olu-topbar{
  position:sticky;top:0;z-index:60;
  background:var(--ink-900);
  border-bottom:1px solid rgba(237,235,255,.08);
}
.olu-topbar__in{
  min-height:38px;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  padding-top:5px;padding-bottom:5px;
}
.olu-topbar__text{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;line-height:1.5;color:var(--on-dark-2);letter-spacing:.02em;
}
.olu-dot{
  width:7px;height:7px;border-radius:999px;background:var(--stardust-400);
  box-shadow:0 0 0 4px rgba(53,208,186,.16);flex:none;
}
.olu-clock{display:inline-flex;align-items:center;gap:2px;font-variant-numeric:tabular-nums;color:var(--on-dark-1);font-weight:700}
.olu-clock span[data-h],.olu-clock span[data-m],.olu-clock span[data-s]{
  display:inline-block;min-width:22px;text-align:center;
  background:rgba(237,235,255,.1);border-radius:6px;padding:1px 3px;
}
.olu-topbar__btn{
  display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:999px;
  background:var(--ember-500);color:#fff;font-size:12px;font-weight:600;letter-spacing:.04em;
  transition:background 180ms ease-out,transform 180ms ease-out;
}
.olu-topbar__btn:hover{background:var(--ember-600);transform:translateY(-1px)}

/* ============ 卡片化导航 ============ */
.olu-header{position:sticky;top:38px;z-index:50;background:var(--paper);padding:12px 0}
.olu-nav{
  display:flex;align-items:center;gap:12px;
  background:var(--card);border:1px solid var(--line);border-radius:16px;
  box-shadow:var(--sh-1);padding:10px 14px;
}
.olu-brand{display:inline-flex;align-items:center;gap:9px;flex:none}
.olu-brand__mark{color:var(--nebula-600);display:inline-flex}
.olu-brand__name{font-size:17px;font-weight:800;letter-spacing:.01em;color:var(--t1);white-space:nowrap}
.olu-nav__links{display:none}
@media (min-width:1024px){
  .olu-nav__links{display:flex;gap:8px;margin:0 auto}
}
.olu-nav__link{
  display:inline-flex;align-items:center;gap:6px;height:44px;padding:0 12px;border-radius:12px;
  font-size:14px;font-weight:600;color:var(--t2);white-space:nowrap;
  transition:background 160ms ease-out,color 160ms ease-out;
}
.olu-nav__link svg{flex:none}
.olu-nav__link:hover{background:var(--paper);color:var(--t1)}
.olu-nav__link.is-active{background:var(--nebula-050);color:var(--nebula-700)}
.olu-nav__cta{display:none;margin-left:16px;flex:none}
@media (min-width:1024px){.olu-nav__cta{display:block}}
.olu-burger{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;margin-left:auto;flex:none;
  border-radius:12px;border:1px solid var(--line);background:var(--card);color:var(--t1);cursor:pointer;
  transition:background 160ms ease-out;
}
.olu-burger:hover{background:var(--paper)}
@media (min-width:1024px){.olu-burger{display:none}}
.olu-drawer{display:none;margin-top:12px;background:var(--card);border:1px solid var(--line);border-radius:16px;box-shadow:var(--sh-1);padding:16px}
.olu-drawer.is-open{display:block;animation:oluDrop 200ms ease-out}
@keyframes oluDrop{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}
.olu-drawer__grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:12px}
.olu-drawer__item{
  display:flex;align-items:center;gap:8px;padding:12px;border:1px solid var(--line);border-radius:12px;
  background:var(--paper);font-size:14px;font-weight:600;color:var(--t1);
}
.olu-drawer__item svg{flex:none;color:var(--t2)}
.olu-drawer__item.is-active{background:var(--nebula-050);border-color:var(--line-strong);color:var(--nebula-700)}
.olu-drawer__item.is-active svg{color:var(--nebula-700)}

/* ============ 通用组件 ============ */
.olu-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 18px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;cursor:pointer;
  border:1px solid transparent;
  transition:background 180ms ease-out,color 180ms ease-out,border-color 180ms ease-out,box-shadow 180ms ease-out,transform 180ms ease-out;
}
.olu-btn--primary{background:var(--nebula-600);color:#fff}
.olu-btn--primary:hover{background:var(--nebula-700);transform:translateY(-2px);box-shadow:var(--sh-2)}
.olu-btn--primary:active{transform:translateY(0);box-shadow:none}
.olu-btn--ghost{background:transparent;border-color:rgba(237,235,255,.32);color:var(--on-dark-1)}
.olu-btn--ghost:hover{background:rgba(237,235,255,.1);transform:translateY(-2px)}
.olu-btn--outline{background:transparent;border-color:var(--line);color:var(--t1)}
.olu-btn--outline:hover{background:var(--nebula-050);border-color:var(--line-strong);transform:translateY(-2px)}
.olu-btn--ember{background:var(--ember-500);color:#fff}
.olu-btn--ember:hover{background:var(--ember-600);transform:translateY(-2px)}
.olu-btn--lg{height:48px;padding:0 24px;font-size:16px}
.olu-btn--sm{height:32px;padding:0 14px;font-size:13px}
.olu-btn--block{width:100%}

.olu-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.04em;line-height:1.5;
}
.olu-badge--purple{background:var(--nebula-050);color:var(--nebula-700)}
.olu-badge--teal{background:var(--stardust-050);color:var(--stardust-600)}
.olu-badge--ember{background:var(--ember-050);color:var(--ember-600)}
.olu-badge--dark{background:rgba(237,235,255,.14);color:var(--on-dark-1);border:1px solid rgba(237,235,255,.2)}

.olu-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);
  transition:border-color 180ms ease-out,box-shadow 180ms ease-out,transform 180ms ease-out;
}
.olu-card:hover{border-color:var(--line-strong);box-shadow:var(--sh-2);transform:translateY(-2px)}

.olu-link{
  color:var(--nebula-600);font-weight:600;font-size:14px;
  text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px;
  transition:color 160ms ease-out;
}
.olu-link:hover{color:var(--nebula-700)}

.olu-input{
  width:100%;height:48px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--t1);font-size:15px;padding:0 14px;
  transition:border-color 160ms ease-out,box-shadow 160ms ease-out;
}
.olu-input::placeholder{color:var(--t3)}
.olu-input:focus{outline:none;border-color:var(--nebula-600);box-shadow:0 0 0 3px rgba(91,63,214,.16)}
.olu-label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:var(--t1)}

.olu-stars{
  position:absolute;inset:0;pointer-events:none;opacity:.35;
  background-image:
    radial-gradient(1.5px 1.5px at 12% 22%, #EDEBFF 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 78% 14%, #EDEBFF 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 46% 68%, #EDEBFF 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 88% 62%, #EDEBFF 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 26% 84%, #EDEBFF 50%, transparent 51%);
}

.olu-section{padding:56px 0}
@media (min-width:1024px){.olu-section{padding:88px 0}}
.olu-head{margin-bottom:28px}
@media (min-width:1024px){.olu-head{margin-bottom:32px}}
.olu-head h2{font-size:clamp(21px,2.6vw,28px);line-height:1.38;font-weight:700;letter-spacing:.01em}
.olu-head p{margin-top:10px;color:var(--t2);font-size:15.5px;max-width:64ch}
.olu-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap}

/* ============ Hero ============ */
.olu-hero{position:relative;overflow:hidden;background:var(--ink-900);padding:56px 0 64px}
@media (min-width:1024px){.olu-hero{padding:88px 0 96px}}
.olu-hero__bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center;opacity:.42}
.olu-hero__veil{position:absolute;inset:0;background:rgba(11,13,38,.78)}
.olu-hero__grid{position:relative;display:grid;grid-template-columns:1fr;gap:32px;align-items:start}
@media (min-width:1024px){.olu-hero__grid{grid-template-columns:7fr 5fr;gap:48px;align-items:center}}
.olu-hero__copy{color:var(--on-dark-1)}
.olu-hero h1{
  font-size:clamp(26px,4.4vw,42px);line-height:1.3;font-weight:800;letter-spacing:.01em;
  margin-top:16px;color:#fff;max-width:22em;
}
.olu-hero__sub{margin-top:16px;font-size:16.5px;line-height:1.85;color:var(--on-dark-2);max-width:34ch}
.olu-hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.olu-hero__trust{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px}
.olu-hero__trust li{
  padding:6px 12px;border-radius:999px;background:rgba(237,235,255,.1);
  border:1px solid rgba(237,235,255,.16);color:var(--on-dark-2);
  font-size:12px;letter-spacing:.04em;line-height:1.5;
}
.olu-hero__panel-wrap{position:relative;z-index:2;margin-bottom:-24px}
@media (min-width:1024px){.olu-hero__panel-wrap{margin-bottom:0}}
.olu-panel{
  position:relative;background:#fff;border-radius:20px;padding:24px;
  box-shadow:0 24px 64px -28px rgba(11,13,38,.7);
}
.olu-panel__flag{position:absolute;top:-12px;right:18px}
.olu-panel h2{font-size:19px;font-weight:700;color:var(--t1)}
.olu-panel__hint{font-size:13px;color:var(--t3);margin-top:4px}
.olu-panel__form{margin-top:18px;display:flex;flex-direction:column;gap:14px}
.olu-panel__foot{margin-top:14px;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--t3)}
.olu-panel__foot a{color:var(--nebula-600);font-weight:600}
.olu-panel__foot a:hover{color:var(--nebula-700)}

/* ============ 活动卖点：编号竖排 + 错位横卡 ============ */
.olu-steps{position:relative;padding-left:22px}
.olu-steps::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:2px;
  background:var(--nebula-600);opacity:.32;border-radius:2px;
}
.olu-steps__list{display:flex;flex-direction:column;gap:24px}
.olu-stepcard{display:grid;grid-template-columns:1fr;overflow:hidden}
@media (min-width:768px){.olu-stepcard{grid-template-columns:40% 60%}}
.olu-stepcard__media{position:relative;min-height:170px}
.olu-stepcard__media img{width:100%;height:100%;object-fit:cover;min-height:170px}
.olu-stepcard__no{
  position:absolute;top:14px;left:14px;
  font-size:16px;font-weight:700;color:#fff;font-variant-numeric:tabular-nums;
  background:rgba(91,63,214,.9);border-radius:8px;padding:2px 9px;letter-spacing:.06em;
}
.olu-stepcard__body{padding:22px 24px}
.olu-stepcard__body h3{font-size:19px;font-weight:700;line-height:1.45}
.olu-stepcard__body p{margin-top:10px;color:var(--t2);font-size:15.5px;line-height:1.8}
.olu-stepcard__body .olu-link{display:inline-block;margin-top:14px}
.olu-strip{display:flex;flex-direction:column;gap:16px;padding:22px 24px}
@media (min-width:768px){.olu-strip{flex-direction:row;align-items:center;gap:24px}}
.olu-strip__icon{
  display:inline-flex;align-items:center;justify-content:center;flex:none;
  width:48px;height:48px;border-radius:14px;background:var(--stardust-050);color:var(--stardust-600);
}
.olu-strip__text{flex:1 1 auto;min-width:0}
.olu-strip__text h3{font-size:18px;font-weight:700}
.olu-strip__text p{margin-top:6px;color:var(--t2);font-size:15px;line-height:1.7}
.olu-strip__tags{display:flex;flex-wrap:wrap;gap:8px;flex:none}
.olu-strip__tags li{
  padding:5px 12px;border-radius:999px;border:1px solid var(--line-strong);
  background:var(--nebula-050);color:var(--nebula-700);font-size:12.5px;font-weight:600;
}

/* ============ 亮点图墙 ============ */
.olu-wall-wrap{background:var(--nebula-050);border-radius:24px;padding:28px 20px}
@media (min-width:1024px){.olu-wall-wrap{padding:40px 32px}}
.olu-filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px}
.olu-chip{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:999px;
  border:1px solid var(--line-strong);background:#fff;color:var(--t2);
  font-size:13.5px;font-weight:600;transition:background 160ms ease-out,color 160ms ease-out,border-color 160ms ease-out;
}
.olu-chip:hover{color:var(--nebula-700);border-color:var(--nebula-500)}
.olu-chip.is-active{background:var(--nebula-600);border-color:var(--nebula-600);color:#fff}
.olu-wall{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.olu-wall__item{
  position:relative;display:block;overflow:hidden;border-radius:18px;background:var(--ink-800);
  aspect-ratio:4/3;
}
.olu-wall__item img{width:100%;height:100%;object-fit:cover;transition:transform 200ms ease-out}
.olu-wall__item:hover img{transform:scale(1.03)}
.olu-wall__mask{
  position:absolute;left:0;right:0;bottom:0;height:0;opacity:0;overflow:hidden;
  display:flex;flex-direction:column;justify-content:flex-end;gap:6px;
  padding:0 18px;background:rgba(11,13,38,.78);
  transition:height 200ms ease-out,opacity 200ms ease-out,padding 200ms ease-out;
}
.olu-wall__item:hover .olu-wall__mask{height:44%;opacity:1;padding-bottom:16px}
.olu-wall__mask strong{color:#fff;font-size:15px;font-weight:700;line-height:1.5}
@media (min-width:768px){
  .olu-wall{grid-template-columns:repeat(6,1fr);grid-auto-rows:150px;gap:16px}
  .olu-wall__item{aspect-ratio:auto}
  .olu-wall__item--xl{grid-column:span 4;grid-row:span 2}
  .olu-wall__item--m{grid-column:span 2;grid-row:span 1}
  .olu-wall__item--l{grid-column:span 3;grid-row:span 1}
}

/* ============ 最新信息 ============ */
.olu-latest{display:grid;grid-template-columns:1fr;gap:24px}
@media (min-width:1024px){.olu-latest{grid-template-columns:5fr 7fr;gap:32px}}
.olu-latest__lead{display:block;overflow:hidden}
.olu-latest__media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--ink-800)}
.olu-latest__media img{width:100%;height:100%;object-fit:cover;transition:transform 200ms ease-out}
.olu-latest__lead:hover .olu-latest__media img{transform:scale(1.03)}
.olu-latest__tag{position:absolute;left:14px;bottom:14px}
.olu-latest__body{padding:20px 22px 22px}
.olu-latest__body h3{
  font-size:19px;font-weight:700;line-height:1.5;color:var(--t1);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.olu-latest__lead:hover h3{color:var(--nebula-700)}
.olu-latest__body p{
  margin-top:10px;font-size:15px;line-height:1.7;color:var(--t2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.olu-meta{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--t3);margin-top:14px}
.olu-meta span{display:inline-flex;align-items:center;gap:6px}
.olu-meta i{display:inline-block;width:4px;height:4px;border-radius:999px;background:var(--t3);font-style:normal}
.olu-latest__rows{display:flex;flex-direction:column;gap:12px}
.olu-latest__row{
  display:flex;gap:16px;align-items:flex-start;padding:12px;border-radius:16px;
  border:1px solid transparent;transition:background 180ms ease-out,box-shadow 180ms ease-out,border-color 180ms ease-out;
}
.olu-latest__row:hover{background:var(--paper);border-color:var(--line);box-shadow:var(--sh-1)}
.olu-latest__thumb{flex:none;width:96px;height:72px;border-radius:12px;overflow:hidden;background:var(--ink-800)}
.olu-latest__thumb img{width:100%;height:100%;object-fit:cover}
.olu-latest__row h4{
  font-size:16.5px;font-weight:700;line-height:1.5;color:var(--t1);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.olu-latest__row:hover h4{color:var(--nebula-700)}
.olu-empty{
  min-height:180px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  border:1px dashed var(--line-strong);border-radius:16px;background:var(--card);padding:32px 20px;text-align:center;
}
.olu-empty__mark{color:var(--nebula-500);display:inline-flex}
.olu-empty p{color:var(--t2);font-size:15px}

/* ============ 深色 CTA ============ */
.olu-cta{padding:56px 0}
@media (min-width:1024px){.olu-cta{padding:88px 0}}
.olu-cta__box{
  position:relative;overflow:hidden;background:var(--ink-900);border-radius:24px;
  padding:32px 24px;display:grid;grid-template-columns:1fr;gap:32px;
}
@media (min-width:1024px){.olu-cta__box{padding:56px 48px;grid-template-columns:55fr 45fr;gap:56px;align-items:center}}
.olu-cta__copy{position:relative;color:var(--on-dark-1)}
.olu-cta__copy h2{font-size:clamp(21px,2.6vw,28px);line-height:1.38;font-weight:700;color:#fff}
.olu-cta__list{margin-top:22px;display:flex;flex-direction:column;gap:12px}
.olu-cta__list li{display:flex;align-items:center;gap:10px;font-size:15.5px;color:var(--on-dark-1)}
.olu-cta__list svg{flex:none;color:var(--stardust-400)}
.olu-cta__note{margin-top:20px;font-size:13px;color:var(--on-dark-2);line-height:1.7}
.olu-formcard{
  position:relative;background:rgba(255,255,255,.05);border:1px solid rgba(237,235,255,.14);
  border-radius:20px;padding:24px;
}
.olu-formcard h3{font-size:17px;font-weight:700;color:#fff}
.olu-formcard__fields{margin-top:18px;display:flex;flex-direction:column;gap:14px}
.olu-formcard .olu-label{color:var(--on-dark-1)}
.olu-input--dark{
  background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.14);color:#fff;
}
.olu-input--dark::placeholder{color:rgba(237,235,255,.42)}
.olu-input--dark:focus{border-color:var(--stardust-400);box-shadow:0 0 0 3px rgba(53,208,186,.22)}
.olu-consent{margin-top:14px;font-size:12.5px;line-height:1.7;color:var(--on-dark-2)}

/* ============ FAQ ============ */
.olu-faq{background:var(--card);border:1px solid var(--line);border-radius:16px;box-shadow:var(--sh-1);overflow:hidden}
.olu-faq__item{border-bottom:1px solid var(--line)}
.olu-faq__item:last-child{border-bottom:0}
.olu-faq__item summary{
  display:flex;align-items:center;gap:14px;padding:18px 22px;cursor:pointer;
  list-style:none;transition:background 160ms ease-out;
}
.olu-faq__item summary::-webkit-details-marker{display:none}
.olu-faq__item summary:hover{background:var(--paper)}
.olu-faq__num{font-size:13px;color:var(--t3);font-variant-numeric:tabular-nums;flex:none;letter-spacing:.04em}
.olu-faq__q{flex:1 1 auto;font-size:17px;font-weight:600;line-height:1.5;color:var(--t1)}
.olu-faq__icon{position:relative;flex:none;width:20px;height:20px;color:var(--nebula-600)}
.olu-faq__icon::before,.olu-faq__icon::after{
  content:"";position:absolute;left:50%;top:50%;background:currentColor;border-radius:2px;
  transform:translate(-50%,-50%);transition:transform 200ms ease-out,opacity 200ms ease-out;
}
.olu-faq__icon::before{width:14px;height:2px}
.olu-faq__icon::after{width:2px;height:14px}
.olu-faq__item[open] .olu-faq__icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.olu-faq__a{padding:0 22px 20px 56px;color:var(--t2);font-size:15.5px;line-height:1.85}
.olu-faq__a p{max-width:70ch}

/* ============ 页脚 ============ */
.olu-footer{position:relative;overflow:hidden;background:var(--ink-900);color:var(--on-dark-2);padding:64px 0 32px}
.olu-footer__grid{position:relative;display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:640px){.olu-footer__grid{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.olu-footer__grid{grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px}}
.olu-footer__brand{display:flex;align-items:center;gap:10px}
.olu-footer__brand svg{color:var(--stardust-400);flex:none}
.olu-footer__brand span{font-size:17px;font-weight:800;color:var(--on-dark-1)}
.olu-footer__desc{margin-top:14px;font-size:14px;line-height:1.8;max-width:34ch}
.olu-qr{
  margin-top:20px;width:88px;height:88px;border-radius:12px;
  border:1px dashed rgba(237,235,255,.28);background:rgba(255,255,255,.05);
  display:flex;align-items:center;justify-content:center;color:rgba(237,235,255,.5);font-size:12px;text-align:center;
}
.olu-footer__col h3{font-size:14px;font-weight:600;color:var(--on-dark-1);letter-spacing:.04em}
.olu-footer__col ul{margin-top:16px;display:flex;flex-direction:column;gap:10px}
.olu-footer-link{
  display:inline-block;font-size:14px;color:var(--on-dark-2);
  transition:color 160ms ease-out,transform 160ms ease-out;
}
.olu-footer-link:hover{color:var(--stardust-400);transform:translateX(2px)}
.olu-footer__bottom{
  position:relative;margin-top:40px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;font-size:13px;
}
.olu-totop{
  display:inline-flex;align-items:center;justify-content:center;flex:none;
  width:44px;height:44px;border-radius:12px;cursor:pointer;
  border:1px solid rgba(237,235,255,.16);background:rgba(255,255,255,.05);color:var(--on-dark-1);
  transition:background 160ms ease-out,transform 160ms ease-out;
}
.olu-totop:hover{background:rgba(255,255,255,.12);transform:translateY(-2px)}

/* roulang page: article */
:root{
  --ink-900:#0B0D26; --ink-800:#141838;
  --nebula-700:#472FBB; --nebula-600:#5B3FD6; --nebula-500:#7357E8; --nebula-050:#EDE9FE;
  --stardust-600:#10857A; --stardust-400:#35D0BA; --stardust-050:#DFF7F3;
  --ember-600:#C2410C; --ember-500:#FF7A45; --ember-050:#FFE9DF;
  --paper:#F7F6FB; --card:#FFFFFF;
  --line:#E6E4F2; --line-strong:#D9D3F5;
  --t1:#14162E; --t2:#5B5F7C; --t3:#8A8EA8;
  --on-dark-1:#EDEBFF; --on-dark-2:rgba(237,235,255,.72);
  --r-sm:12px; --r-card:16px; --r-lg:20px;
  --sh-1:0 1px 2px rgba(11,13,38,.04),0 8px 24px -12px rgba(11,13,38,.14);
  --sh-2:0 18px 48px -20px rgba(91,63,214,.28);
  --font:'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Source Han Sans SC','Noto Sans SC',system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
.olu-body{
  margin:0;font-family:var(--font);font-size:16.5px;line-height:1.75;color:var(--t1);
  background:var(--paper);
}
.olu-body img{max-width:100%;height:auto;display:block}
.olu-body a{color:inherit;text-decoration:none}
.olu-body button{font-family:inherit}
.olu-body ul,.olu-body ol{margin:0;padding:0;list-style:none}
.olu-body h1,.olu-body h2,.olu-body h3,.olu-body h4,.olu-body p{margin:0}
:focus-visible{outline:2px solid var(--stardust-400);outline-offset:2px;border-radius:8px}
.olu-container{max-width:1200px;margin:0 auto;padding:0 20px;width:100%}
@media (min-width:1024px){.olu-container{padding:0 32px}}
.olu-stars{
  position:absolute;inset:0;pointer-events:none;
  background-image:
    radial-gradient(1.6px 1.6px at 12% 24%,rgba(237,235,255,.55),transparent 60%),
    radial-gradient(1.4px 1.4px at 32% 68%,rgba(53,208,186,.45),transparent 60%),
    radial-gradient(1.8px 1.8px at 58% 18%,rgba(237,235,255,.4),transparent 60%),
    radial-gradient(1.3px 1.3px at 78% 52%,rgba(115,87,232,.55),transparent 60%),
    radial-gradient(1.6px 1.6px at 90% 80%,rgba(237,235,255,.35),transparent 60%);
}
/* ---------- 顶部倒计时条 ---------- */
.olu-topbar{position:sticky;top:0;z-index:60;background:var(--ink-900);color:var(--on-dark-2);border-bottom:1px solid rgba(255,255,255,.08)}
.olu-topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:40px;padding-top:4px;padding-bottom:4px}
.olu-topbar__text{display:flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.02em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.olu-clock{font-variant-numeric:tabular-nums;color:var(--on-dark-1);font-weight:700;letter-spacing:.06em}
.olu-topbar__btn{
  display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:999px;
  background:var(--ember-500);color:#fff;font-size:12.5px;font-weight:700;white-space:nowrap;
  transition:background 180ms ease-out,transform 180ms ease-out
}
.olu-topbar__btn:hover{background:var(--ember-600)}
.olu-topbar__btn:active{transform:translateY(1px)}
/* ---------- 卡片化导航 ---------- */
.olu-header{position:sticky;top:40px;z-index:50}
.olu-header__inner{position:relative}
.olu-nav{
  display:flex;align-items:center;gap:16px;margin-top:12px;padding:10px 14px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1)
}
.olu-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:var(--t1);white-space:nowrap;letter-spacing:.01em}
.olu-brand__mark{display:inline-flex;color:var(--nebula-600)}
.olu-brand:hover .olu-brand__mark{color:var(--nebula-500)}
.olu-nav__links{display:flex;align-items:center;gap:8px;margin-left:auto}
.olu-nav__link{
  display:inline-flex;align-items:center;gap:6px;height:44px;padding:0 12px;border-radius:var(--r-sm);
  font-size:14.5px;font-weight:600;color:var(--t2);transition:background 180ms ease-out,color 180ms ease-out
}
.olu-nav__link:hover{background:var(--paper);color:var(--nebula-700)}
.olu-nav__link.is-active{background:var(--nebula-050);color:var(--nebula-700)}
.olu-nav__right{display:flex;align-items:center;gap:10px;margin-left:16px}
.olu-burger{
  display:none;align-items:center;justify-content:center;width:44px;height:44px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:var(--card);color:var(--t1);cursor:pointer
}
.olu-burger:hover{background:var(--paper)}
.olu-drawer{
  position:absolute;left:20px;right:20px;top:calc(100% + 10px);z-index:70;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-2);
  padding:16px;display:none;opacity:0;transform:translateY(-8px);transition:opacity 200ms ease-out,transform 200ms ease-out
}
.olu-drawer.is-open{display:block;opacity:1;transform:translateY(0)}
.olu-drawer__grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.olu-drawer__item{
  display:flex;align-items:center;gap:8px;padding:12px;border-radius:var(--r-sm);
  background:var(--paper);border:1px solid var(--line);font-size:14px;font-weight:600;color:var(--t1)
}
.olu-drawer__item:hover{border-color:var(--line-strong);color:var(--nebula-700)}
.olu-drawer__cta{margin-top:12px}
@media (min-width:1024px){.olu-drawer{left:32px;right:32px}}
@media (max-width:1023px){
  .olu-nav__links{display:none}
  .olu-nav__right .olu-btn--nav{display:none}
  .olu-burger{display:inline-flex}
  .olu-brand{font-size:15.5px}
}
/* ---------- 按钮 / 徽章 ---------- */
.olu-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 22px;
  border-radius:var(--r-sm);font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:background 180ms ease-out,color 180ms ease-out,border-color 180ms ease-out,transform 180ms ease-out,box-shadow 180ms ease-out
}
.olu-btn--sm{height:40px;padding:0 16px;font-size:14px}
.olu-btn--mini{height:32px;padding:0 14px;font-size:13.5px}
.olu-btn--primary{background:var(--nebula-600);color:#fff;box-shadow:var(--sh-1)}
.olu-btn--primary:hover{background:var(--nebula-700);box-shadow:var(--sh-2);transform:translateY(-2px)}
.olu-btn--primary:active{transform:translateY(0);box-shadow:var(--sh-1)}
.olu-btn--outline{background:transparent;border-color:var(--line);color:var(--t1)}
.olu-btn--outline:hover{background:var(--nebula-050);border-color:var(--line-strong);color:var(--nebula-700)}
.olu-btn--ember{background:var(--ember-500);color:#fff}
.olu-btn--ember:hover{background:var(--ember-600);transform:translateY(-2px)}
.olu-btn--ghostdark{background:transparent;border-color:rgba(237,235,255,.32);color:var(--on-dark-1)}
.olu-btn--ghostdark:hover{background:rgba(255,255,255,.08);border-color:rgba(237,235,255,.55)}
.olu-link{color:var(--nebula-600);font-weight:600;text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px}
.olu-link:hover{color:var(--nebula-700)}
.olu-badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;font-size:12px;letter-spacing:.04em;line-height:1.5}
.olu-badge--cat{background:var(--nebula-050);color:var(--nebula-700)}
.olu-badge--ok{background:var(--stardust-050);color:var(--stardust-600)}
.olu-badge--limited{background:var(--ember-050);color:var(--ember-600)}
/* ---------- 卡片 / 面板 ---------- */
.olu-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);
  transition:border-color 180ms ease-out,box-shadow 180ms ease-out,transform 180ms ease-out
}
.olu-card:hover{border-color:var(--line-strong);box-shadow:var(--sh-2);transform:translateY(-2px)}
.olu-panel{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:24px}
.olu-input{
  width:100%;height:48px;padding:0 14px;border-radius:var(--r-sm);border:1px solid var(--line);
  background:var(--card);font-size:15px;color:var(--t1);transition:border-color 180ms ease-out,box-shadow 180ms ease-out
}
.olu-input::placeholder{color:var(--t3)}
.olu-input:focus{outline:none;border-color:var(--nebula-600);box-shadow:0 0 0 2px var(--nebula-050)}
/* ---------- 文章区 ---------- */
.olu-main{padding-bottom:64px}
.olu-crumb{padding:24px 0 0}
.olu-crumb ol{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--t2)}
.olu-crumb li{display:flex;align-items:center;gap:8px;max-width:320px}
.olu-crumb li + li::before{content:"/";color:var(--t3)}
.olu-crumb a:hover{color:var(--nebula-700)}
.olu-crumb li[aria-current] span{color:var(--t3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}
.olu-article-head{padding:20px 0 8px;max-width:860px}
.olu-h1{font-size:clamp(26px,4vw,38px);line-height:1.3;font-weight:800;letter-spacing:.01em;color:var(--t1)}
.olu-meta{display:flex;align-items:center;flex-wrap:wrap;gap:16px;margin-top:16px;font-size:13px;color:var(--t3)}
.olu-meta__item{display:inline-flex;align-items:center;gap:6px}
.olu-lead{
  margin-top:24px;border-left:3px solid var(--nebula-600);padding-left:16px;
  font-size:17.5px;line-height:1.8;color:var(--t2);max-width:66ch
}
.olu-article-body{padding:32px 0 8px}
.olu-article-inner{max-width:760px;margin:0 auto}
.olu-richtext{font-size:17px;line-height:1.9;color:#20223C}
.olu-richtext p{margin:0 0 1.15em}
.olu-richtext h2{
  position:relative;font-size:clamp(21px,2.6vw,26px);line-height:1.38;font-weight:700;color:var(--t1);
  margin:40px 0 16px;padding-left:20px
}
.olu-richtext h2::before{content:"";position:absolute;left:0;top:.55em;width:12px;height:3px;border-radius:2px;background:var(--nebula-600)}
.olu-richtext h3{font-size:20px;line-height:1.45;font-weight:700;margin:28px 0 12px;color:var(--t1)}
.olu-richtext h4{font-size:17px;line-height:1.5;font-weight:600;margin:20px 0 10px;color:var(--t1)}
.olu-richtext ul,.olu-richtext ol{margin:0 0 1.15em;padding-left:4px}
.olu-richtext li{position:relative;padding-left:20px;line-height:1.8;margin-bottom:8px}
.olu-richtext ul > li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:2px;background:var(--stardust-400)
}
.olu-richtext ol{counter-reset:olu-ol}
.olu-richtext ol > li{counter-increment:olu-ol}
.olu-richtext ol > li::before{
  content:counter(olu-ol);position:absolute;left:0;top:.28em;width:16px;font-size:13px;font-weight:700;
  color:var(--nebula-600);font-variant-numeric:tabular-nums;line-height:1.6
}
.olu-richtext blockquote{
  margin:0 0 1.15em;padding:20px 24px;background:var(--nebula-050);border-left:4px solid var(--nebula-600);
  border-radius:var(--r-sm);color:#2B2450
}
.olu-richtext blockquote p:last-child{margin-bottom:0}
.olu-richtext img{border-radius:14px;margin:0 0 12px}
.olu-richtext figure{margin:0 0 1.15em}
.olu-richtext figcaption{text-align:center;font-size:13px;color:var(--t3);margin-top:8px}
.olu-richtext a{color:var(--nebula-600);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.olu-richtext a:hover{color:var(--nebula-700)}
.olu-richtext table{width:100%;border-collapse:collapse;margin:0 0 1.2em;border:1px solid var(--line);border-radius:var(--r-sm);overflow:hidden}
.olu-richtext th,.olu-richtext td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);font-size:15px}
.olu-richtext th{background:var(--paper);font-size:14px;font-weight:600;color:var(--t1)}
.olu-richtext tbody tr:nth-child(even){background:var(--paper)}
.olu-richtext hr{border:none;border-top:1px dashed var(--line-strong);margin:32px 0}
.olu-empty{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;text-align:center;
  min-height:220px;padding:32px;border:1px dashed var(--line-strong);border-radius:var(--r-card);background:var(--card);color:var(--t2)
}
.olu-empty__icon{color:var(--nebula-500)}
.olu-article-foot{margin-top:40px;padding-top:24px;border-top:1px solid var(--line)}
.olu-tags{display:flex;flex-wrap:wrap;gap:10px}
.olu-tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;background:var(--paper);
  border:1px solid var(--line);font-size:13px;color:var(--t2);transition:180ms ease-out
}
.olu-tag:hover{background:var(--nebula-050);border-color:var(--line-strong);color:var(--nebula-700)}
.olu-actions{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px;margin-top:24px}
.olu-share{display:flex;align-items:center;gap:10px}
.olu-share__btn{
  display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:10px;
  border:1px solid var(--line);background:var(--card);color:var(--t2);cursor:pointer;transition:180ms ease-out
}
.olu-share__btn:hover{background:var(--nebula-050);color:var(--nebula-700);border-color:var(--line-strong)}
/* ---------- 继续查看 ---------- */
.olu-more{padding:72px 0 8px}
.olu-more__head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:24px}
.olu-h2{font-size:clamp(21px,2.6vw,28px);line-height:1.38;font-weight:700;color:var(--t1)}
.olu-sub{font-size:14px;line-height:1.6;color:var(--t2);margin-top:8px}
.olu-more__grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:768px){.olu-more__grid{grid-template-columns:repeat(3,1fr)}}
.olu-more__card{display:flex;flex-direction:column;gap:12px;padding:22px}
.olu-more__icon{
  display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:12px;
  background:var(--nebula-050);color:var(--nebula-700)
}
.olu-more__title{font-size:17px;font-weight:700;color:var(--t1)}
.olu-more__desc{font-size:14.5px;line-height:1.7;color:var(--t2)}
/* ---------- 深色 CTA ---------- */
.olu-cta{padding:72px 0 8px}
.olu-cta__box{
  position:relative;overflow:hidden;border-radius:24px;background:var(--ink-900);color:var(--on-dark-1);
  padding:40px 28px;display:grid;grid-template-columns:1fr;gap:28px
}
@media (min-width:1024px){.olu-cta__box{padding:56px 48px;grid-template-columns:1.1fr .9fr;align-items:center;gap:48px}}
.olu-cta__title{font-size:clamp(22px,2.8vw,30px);line-height:1.35;font-weight:800;color:var(--on-dark-1)}
.olu-cta__text{margin-top:14px;font-size:15.5px;line-height:1.8;color:var(--on-dark-2);max-width:52ch}
.olu-cta__list{margin-top:22px;display:grid;gap:12px}
.olu-cta__list li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:var(--on-dark-1)}
.olu-cta__list svg{flex:none;color:var(--stardust-400);margin-top:3px}
.olu-form{padding:24px;border-radius:var(--r-card);background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14)}
.olu-form__label{display:block;font-size:14px;font-weight:600;color:var(--on-dark-1);margin-bottom:8px}
.olu-form__field{margin-bottom:16px}
.olu-form .olu-input{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.14);color:var(--on-dark-1)}
.olu-form .olu-input::placeholder{color:rgba(237,235,255,.5)}
.olu-form .olu-input:focus{border-color:var(--stardust-400);box-shadow:0 0 0 2px rgba(53,208,186,.25)}
.olu-form__note{margin-top:12px;font-size:12.5px;line-height:1.6;color:var(--on-dark-2)}
.olu-form__head{font-size:17px;font-weight:700;color:var(--on-dark-1);margin-bottom:16px}
.olu-strip{
  position:relative;overflow:hidden;border-radius:24px;background:var(--ink-900);color:var(--on-dark-1);
  padding:26px 24px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap
}
/* ---------- 页脚 ---------- */
.olu-footer{position:relative;margin-top:72px;background:var(--ink-900);color:var(--on-dark-2);padding:64px 0 32px;overflow:hidden}
.olu-footer .olu-container{position:relative;z-index:2}
.olu-footer__grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:768px){.olu-footer__grid{grid-template-columns:1.4fr 1fr 1fr 1fr}}
.olu-footer__brand{display:flex;align-items:center;gap:10px;color:var(--on-dark-1);font-size:17px;font-weight:800;letter-spacing:.01em}
.olu-footer__brand svg{color:var(--nebula-500)}
.olu-footer__desc{margin-top:14px;font-size:14px;line-height:1.8;color:var(--on-dark-2);max-width:34ch}
.olu-qr{
  margin-top:18px;width:88px;height:88px;border-radius:12px;border:1px dashed rgba(237,235,255,.35);
  display:flex;align-items:center;justify-content:center;text-align:center;font-size:12px;line-height:1.5;color:var(--on-dark-2)
}
.olu-footer__col h3{font-size:14px;font-weight:600;color:var(--on-dark-1);margin:0 0 16px}
.olu-footer__col li + li{margin-top:10px}
.olu-footer-link{font-size:14px;color:var(--on-dark-2);display:inline-block;transition:color 180ms ease-out,transform 180ms ease-out}
.olu-footer-link:hover{color:var(--stardust-400);transform:translateX(2px)}
.olu-footer__bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--on-dark-2)
}
.olu-totop{
  display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:var(--on-dark-1);cursor:pointer;transition:180ms ease-out
}
.olu-totop:hover{background:rgba(115,87,232,.3);border-color:rgba(115,87,232,.6)}
@media (max-width:639px){
  .olu-topbar__text{font-size:12px}
  .olu-nav{padding:8px 10px;gap:10px}
  .olu-brand__name{max-width:150px;overflow:hidden;text-overflow:ellipsis}
  .olu-panel,.olu-more__card{padding:18px}
  .olu-cta{padding-top:56px}
  .olu-more{padding-top:56px}
}

/* roulang page: category1 */
:root{
  --ink-900:#0B0D26; --ink-800:#141838;
  --nebula-700:#472FBB; --nebula-600:#5B3FD6; --nebula-500:#7357E8; --nebula-050:#EDE9FE;
  --stardust-600:#10857A; --stardust-400:#35D0BA; --stardust-050:#DFF7F3;
  --ember-600:#C2410C; --ember-500:#FF7A45; --ember-050:#FFE9DF;
  --paper:#F7F6FB; --card:#FFFFFF; --line:#E6E4F2; --line-strong:#D9D3F5;
  --t1:#14162E; --t2:#5B5F7C; --t3:#8A8EA8;
  --on-dark-1:#EDEBFF; --on-dark-2:rgba(237,235,255,.72);
  --sh-1:0 1px 2px rgba(11,13,38,.04),0 8px 24px -12px rgba(11,13,38,.14);
  --sh-2:0 18px 48px -20px rgba(91,63,214,.28);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--paper);color:var(--t1);
  font-family:'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Source Han Sans SC','Noto Sans SC',system-ui,sans-serif;
  font-size:16.5px;line-height:1.85;-webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit;color:inherit}
button{border:0;background:none;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--stardust-400);outline-offset:2px;border-radius:6px}
section[id]{scroll-margin-top:130px}

.olu-container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:1024px){.olu-container{padding:0 32px}}

.olu-h1{font-size:clamp(26px,4.4vw,42px);line-height:1.3;font-weight:800;letter-spacing:.01em}
.olu-h2{font-size:clamp(21px,2.6vw,28px);line-height:1.38;font-weight:700}
.olu-h3{font-size:20px;line-height:1.45;font-weight:700}
.olu-lede{color:var(--t2);font-size:15.5px;line-height:1.8;max-width:62ch}

/* 倒计时条 */
.olu-timer{position:sticky;top:0;z-index:80;height:40px;background:var(--ink-900);color:var(--on-dark-2);font-size:13px}
.olu-timer__in{max-width:1200px;margin:0 auto;height:100%;padding:0 20px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.olu-timer__text{display:flex;align-items:center;gap:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.olu-timer__clock{display:inline-block;min-width:78px;text-align:center;font-weight:700;color:var(--on-dark-1);font-variant-numeric:tabular-nums;letter-spacing:.06em}
.olu-timer__btn{height:28px;padding:0 12px;border-radius:999px;background:var(--ember-500);color:#fff;font-size:12px;font-weight:600;display:inline-flex;align-items:center;white-space:nowrap;transition:background 180ms ease-out}
.olu-timer__btn:hover{background:var(--ember-600)}
@media(max-width:520px){.olu-timer__text{font-size:12px}}

/* 卡片化导航 */
.olu-header{position:sticky;top:40px;z-index:70;padding:12px 0 0}
.olu-nav{display:flex;align-items:center;justify-content:space-between;gap:16px;background:var(--card);border:1px solid var(--line);border-radius:16px;box-shadow:var(--sh-1);padding:10px 14px}
.olu-brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.olu-brand__mark{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:var(--nebula-050);color:var(--nebula-600)}
.olu-brand__name{font-size:17px;font-weight:800;letter-spacing:.01em;white-space:nowrap}
@media(max-width:560px){.olu-brand__name{font-size:14.5px;white-space:normal;line-height:1.25;max-width:150px}}
.olu-nav__links{display:none;align-items:center;gap:8px}
.olu-nav__link{display:inline-flex;align-items:center;gap:6px;height:44px;padding:0 12px;border-radius:12px;font-size:14.5px;font-weight:600;color:var(--t2);transition:background 180ms ease-out,color 180ms ease-out}
.olu-nav__link:hover{background:var(--paper);color:var(--t1)}
.olu-nav__link.is-active{background:var(--nebula-050);color:var(--nebula-700)}
.olu-nav__right{display:flex;align-items:center;gap:12px}
.olu-nav__cta{display:none}
@media(min-width:1024px){
  .olu-nav__links{display:flex}
  .olu-nav__cta{display:inline-flex}
}
.olu-burger{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:var(--card);display:grid;place-items:center;color:var(--t1);transition:background 180ms ease-out}
.olu-burger:hover{background:var(--paper)}
@media(min-width:1024px){.olu-burger{display:none}}
.olu-drawer{max-height:0;opacity:0;overflow:hidden;transition:max-height 220ms ease-out,opacity 200ms ease-out}
.olu-drawer.is-open{max-height:460px;opacity:1}
.olu-drawer__inner{margin-top:12px;background:var(--card);border:1px solid var(--line);border-radius:16px;box-shadow:var(--sh-1);padding:14px}
.olu-drawer__grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.olu-drawer__item{display:flex;align-items:center;gap:8px;min-height:56px;padding:10px 12px;border:1px solid var(--line);border-radius:12px;background:var(--paper);font-size:13.5px;font-weight:600;color:var(--t2)}
.olu-drawer__item.is-active{background:var(--nebula-050);border-color:var(--line-strong);color:var(--nebula-700)}
.olu-drawer__cta{margin-top:12px}

/* 按钮 */
.olu-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 20px;border-radius:12px;border:1px solid transparent;font-size:15px;font-weight:600;transition:background 180ms ease-out,border-color 180ms ease-out,box-shadow 180ms ease-out,transform 120ms ease-out}
.olu-btn--primary{background:var(--nebula-600);color:#fff}
.olu-btn--primary:hover{background:var(--nebula-700);box-shadow:var(--sh-2)}
.olu-btn--ghost{border-color:var(--line);color:var(--t1)}
.olu-btn--ghost:hover{background:var(--nebula-050);border-color:var(--line-strong)}
.olu-btn--ember{background:var(--ember-500);color:#fff}
.olu-btn--ember:hover{background:var(--ember-600)}
.olu-btn--block{width:100%}
.olu-btn:active{transform:translateY(1px);box-shadow:none}

/* 徽章 */
.olu-badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.04em;white-space:nowrap}
.olu-badge--nebula{background:var(--nebula-050);color:var(--nebula-700)}
.olu-badge--stardust{background:var(--stardust-050);color:var(--stardust-600)}
.olu-badge--ember{background:var(--ember-050);color:var(--ember-600)}
.olu-badge--ghost{background:rgba(237,235,255,.14);color:var(--on-dark-1)}

/* 星点装饰 */
.olu-stars{position:absolute;inset:0;pointer-events:none;
  background-image:
    radial-gradient(circle at 12% 24%,rgba(255,255,255,.35) 0 1.2px,transparent 1.4px),
    radial-gradient(circle at 68% 12%,rgba(255,255,255,.26) 0 1px,transparent 1.2px),
    radial-gradient(circle at 84% 64%,rgba(255,255,255,.3) 0 1.4px,transparent 1.6px),
    radial-gradient(circle at 36% 80%,rgba(255,255,255,.2) 0 1px,transparent 1.2px),
    radial-gradient(circle at 52% 46%,rgba(255,255,255,.16) 0 1px,transparent 1.2px);
}

/* 矮版 Hero */
.olu-hero-sm{position:relative;overflow:hidden;background:var(--ink-900);margin-top:20px;min-height:300px;display:flex;align-items:center}
.olu-hero-sm__bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.5}
.olu-hero-sm__veil{position:absolute;inset:0;background:linear-gradient(100deg,rgba(11,13,38,.94) 0%,rgba(11,13,38,.8) 48%,rgba(20,24,56,.62) 100%)}
.olu-hero-sm__inner{position:relative;z-index:2;padding-top:44px;padding-bottom:44px}
.olu-hero-sm h1{color:var(--on-dark-1);font-size:clamp(24px,3.8vw,36px);line-height:1.32;font-weight:800;letter-spacing:.01em;max-width:24ch;margin-top:14px}
.olu-hero-sm__sub{color:var(--on-dark-2);font-size:15.5px;line-height:1.8;max-width:56ch;margin-top:12px}
.olu-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.olu-chip{display:inline-flex;align-items:center;height:36px;padding:0 14px;border-radius:999px;border:1px solid rgba(237,235,255,.28);background:rgba(237,235,255,.06);color:var(--on-dark-2);font-size:13.5px;font-weight:600;transition:background 180ms ease-out,color 180ms ease-out,border-color 180ms ease-out}
.olu-chip:hover{color:#fff;border-color:rgba(237,235,255,.52)}
.olu-chip.is-on{background:var(--nebula-500);border-color:transparent;color:#fff}

/* 面包屑 */
.olu-crumb{margin-top:24px;font-size:13px;color:var(--t2)}
.olu-crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.olu-crumb li+li::before{content:"/";margin-right:8px;color:var(--t3)}
.olu-crumb a{color:var(--t2);transition:color 180ms ease-out}
.olu-crumb a:hover{color:var(--nebula-600)}
.olu-crumb [aria-current="page"]{color:var(--t3)}

/* 状态速览 */
.olu-status{margin-top:24px}
.olu-status__panel{position:relative;overflow:hidden;background:var(--ink-900);border-radius:20px;padding:22px;display:grid;gap:18px}
@media(min-width:768px){.olu-status__panel{grid-template-columns:repeat(3,minmax(0,1fr));padding:26px 30px;gap:24px}}
.olu-status__item{position:relative;z-index:2;display:flex;gap:12px;align-items:flex-start}
.olu-status__dot{flex:0 0 auto;width:8px;height:8px;margin-top:9px;border-radius:999px;background:var(--stardust-400);box-shadow:0 0 0 4px rgba(53,208,186,.16)}
.olu-status__label{font-size:12.5px;letter-spacing:.06em;color:var(--on-dark-2)}
.olu-status__value{font-size:16px;font-weight:700;color:var(--on-dark-1);line-height:1.55}
.olu-status__value small{display:block;font-size:13px;font-weight:400;color:var(--on-dark-2);margin-top:2px}

/* 板块 */
.olu-section{padding:56px 0}
@media(min-width:1024px){.olu-section{padding:88px 0}}
.olu-sechead{display:flex;flex-direction:column;gap:10px;margin-bottom:26px}
@media(min-width:768px){.olu-sechead{flex-direction:row;align-items:flex-end;justify-content:space-between;gap:40px}}
.olu-kicker{display:inline-flex;font-size:12.5px;font-weight:700;letter-spacing:.18em;color:var(--nebula-600);font-variant-numeric:tabular-nums}

/* 网格与卡片 */
.olu-grid{display:grid;gap:16px;grid-template-columns:1fr}
@media(min-width:640px){.olu-grid--3,.olu-grid--2{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}}
@media(min-width:1024px){.olu-grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}}

.olu-card{background:var(--card);border:1px solid var(--line);border-radius:16px;box-shadow:var(--sh-1);transition:transform 180ms ease-out,box-shadow 180ms ease-out,border-color 180ms ease-out}
.olu-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--line-strong)}

.olu-shot{overflow:hidden;display:flex;flex-direction:column}
.olu-shot__media{position:relative;display:block;aspect-ratio:4/3;overflow:hidden;background:var(--nebula-050)}
.olu-shot__media img{width:100%;height:100%;object-fit:cover;transition:transform 200ms ease-out}
.olu-card.olu-shot:hover .olu-shot__media img{transform:scale(1.03)}
.olu-shot__media .olu-badge{position:absolute;left:12px;top:12px}
.olu-shot__body{display:flex;flex-direction:column;gap:10px;flex:1;padding:18px 20px 20px}
.olu-shot__body p{font-size:14.5px;line-height:1.72;color:var(--t2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.olu-link{display:inline-flex;align-items:center;gap:6px;margin-top:auto;padding-top:4px;font-size:14.5px;font-weight:600;color:var(--nebula-600);transition:color 180ms ease-out}
.olu-link:hover{color:var(--nebula-700);text-decoration:underline;text-underline-offset:4px}

/* 深色 CTA */
.olu-cta{position:relative;overflow:hidden;background:var(--ink-900);border-radius:24px;padding:28px 22px;display:grid;gap:26px}
@media(min-width:1024px){.olu-cta{grid-template-columns:55fr 45fr;align-items:center;gap:48px;padding:46px 48px}}
.olu-cta__body{position:relative;z-index:2}
.olu-cta h2{color:var(--on-dark-1);margin-top:14px;font-size:clamp(21px,2.6vw,28px);line-height:1.38;font-weight:700}
.olu-ticks{margin-top:18px}
.olu-ticks li{display:flex;gap:10px;align-items:flex-start;padding:6px 0;font-size:15px;line-height:1.7;color:var(--on-dark-1)}
.olu-ticks svg{flex:0 0 auto;margin-top:4px;color:var(--stardust-400)}
.olu-cta__note{margin-top:16px;font-size:13.5px;line-height:1.75;color:var(--on-dark-2);max-width:46ch}

/* 表单 */
.olu-form{position:relative;z-index:2;display:grid;gap:14px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:16px;padding:22px}
.olu-field label{display:block;margin-bottom:6px;font-size:13.5px;font-weight:600;color:var(--on-dark-2)}
.olu-input{width:100%;height:48px;padding:0 14px;border-radius:12px;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.06);color:var(--on-dark-1);font-size:15px;transition:border-color 180ms ease-out,box-shadow 180ms ease-out}
.olu-input::placeholder{color:rgba(237,235,255,.42)}
.olu-input:focus{outline:none;border-color:var(--stardust-400);box-shadow:0 0 0 2px rgba(53,208,186,.28)}
.olu-consent{font-size:12.5px;line-height:1.6;color:var(--on-dark-2)}
.olu-form__tip{margin:0;font-size:13px;color:var(--stardust-400)}

/* 页脚 */
.olu-footer{position:relative;overflow:hidden;margin-top:8px;padding:64px 0 32px;background:var(--ink-900);color:var(--on-dark-2)}
.olu-footer__grid{position:relative;z-index:2;display:grid;gap:32px;grid-template-columns:1fr}
@media(min-width:640px){.olu-footer__grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.olu-footer__grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}}
.olu-footer__brand{display:flex;align-items:center;gap:10px;margin-bottom:12px;color:var(--on-dark-1);font-size:17px;font-weight:800}
.olu-footer__desc{font-size:14px;line-height:1.8;max-width:34ch}
.olu-qr{margin-top:16px;width:88px;height:88px;border-radius:12px;border:1px dashed rgba(237,235,255,.3);display:grid;place-items:center;text-align:center;font-size:12px;line-height:1.4;color:var(--on-dark-2)}
.olu-footer__col h3{margin-bottom:14px;font-size:14px;font-weight:600;color:var(--on-dark-1)}
.olu-footer__col li+li{margin-top:10px}
.olu-footer-link{display:inline-block;font-size:14px;color:var(--on-dark-2);transition:color 180ms ease-out,transform 180ms ease-out}
.olu-footer-link:hover{color:var(--stardust-400);transform:translateX(2px)}
.olu-footer__bottom{position:relative;z-index:2;margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;font-size:13px}
.olu-totop{width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.16);display:grid;place-items:center;color:var(--on-dark-1);transition:background 180ms ease-out}
.olu-totop:hover{background:rgba(237,235,255,.1)}

/* roulang page: category2 */
:root{
  --ink-900:#0B0D26;
  --ink-800:#141838;
  --nebula-700:#472FBB;
  --nebula-600:#5B3FD6;
  --nebula-500:#7357E8;
  --nebula-050:#EDE9FE;
  --stardust-600:#10857A;
  --stardust-400:#35D0BA;
  --stardust-050:#DFF7F3;
  --ember-600:#C2410C;
  --ember-500:#FF7A45;
  --paper:#F7F6FB;
  --card:#FFFFFF;
  --line:#E6E4F2;
  --line-strong:#D9D3F5;
  --t1:#14162E;
  --t2:#5B5F7C;
  --t3:#8A8EA8;
  --on-dark-1:#EDEBFF;
  --on-dark-2:rgba(237,235,255,.72);
  --sh-1:0 1px 2px rgba(11,13,38,.04),0 8px 24px -12px rgba(11,13,38,.14);
  --sh-2:0 18px 48px -20px rgba(91,63,214,.28);
  --r-card:16px;
  --r-btn:12px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Source Han Sans SC','Noto Sans SC',system-ui,sans-serif;
  background:var(--paper);
  color:var(--t1);
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--stardust-400);outline-offset:2px;border-radius:6px}
.olu-num{font-variant-numeric:tabular-nums}
.olu-container{max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){ .olu-container{padding:0 32px} }
.olu-section{padding:48px 0}
@media (min-width:1024px){ .olu-section{padding:80px 0} }
.olu-stars{
  position:absolute;inset:0;pointer-events:none;
  background-image:
    radial-gradient(2px 2px at 12% 24%,rgba(237,235,255,.5),transparent 60%),
    radial-gradient(2px 2px at 68% 12%,rgba(237,235,255,.35),transparent 60%),
    radial-gradient(2px 2px at 82% 62%,rgba(53,208,186,.4),transparent 60%),
    radial-gradient(2px 2px at 34% 78%,rgba(237,235,255,.3),transparent 60%),
    radial-gradient(2px 2px at 52% 44%,rgba(237,235,255,.28),transparent 60%);
}
/* ---------- 顶部倒计时条 ---------- */
.olu-topbar{
  position:sticky;top:0;z-index:60;
  background:var(--ink-900);
  color:var(--on-dark-1);
  min-height:38px;
  display:flex;align-items:center;
}
.olu-topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;padding-top:6px;padding-bottom:6px}
.olu-topbar__text{display:flex;align-items:center;gap:8px;font-size:13px;line-height:1.5;letter-spacing:.02em;color:var(--on-dark-2)}
.olu-topbar__time{display:inline-block;min-width:74px;text-align:center;color:var(--on-dark-1);font-weight:700;letter-spacing:.06em}
.olu-dot{width:7px;height:7px;border-radius:999px;background:var(--stardust-400);box-shadow:0 0 0 4px rgba(53,208,186,.16);flex:none}
.olu-topbar__cta{
  display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:999px;
  background:var(--ember-600);color:#fff;font-size:12.5px;font-weight:600;letter-spacing:.02em;
  transition:background 180ms ease-out,transform 180ms ease-out;
}
.olu-topbar__cta:hover{background:#9A3412;transform:translateY(-1px)}
/* ---------- 导航 ---------- */
.olu-navwrap{
  position:sticky;top:38px;z-index:50;
  padding:10px 0;
  background:rgba(247,246,251,.9);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}
.olu-nav{
  position:relative;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:16px;
  box-shadow:var(--sh-1);
  padding:10px 14px;
}
.olu-brand{display:flex;align-items:center;gap:10px;min-width:0}
.olu-brand__mark{display:inline-flex;color:var(--nebula-600);flex:none}
.olu-brand__name{font-size:17px;font-weight:800;letter-spacing:.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.olu-nav__links{display:none;align-items:center;gap:8px}
.olu-nav__link{
  display:inline-flex;align-items:center;gap:6px;height:44px;padding:0 12px;border-radius:12px;
  font-size:14.5px;font-weight:600;color:var(--t2);
  transition:background 180ms ease-out,color 180ms ease-out;
}
.olu-nav__link:hover{background:var(--paper);color:var(--t1)}
.olu-nav__link.is-active{background:var(--nebula-050);color:var(--nebula-700)}
.olu-nav__cta{display:none;margin-left:4px}
.olu-burger{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);color:var(--t1);
  transition:background 180ms ease-out;
}
.olu-burger:hover{background:var(--paper)}
.olu-drawer{
  position:absolute;left:0;right:0;top:calc(100% + 10px);
  background:var(--card);border:1px solid var(--line);border-radius:16px;box-shadow:var(--sh-2);
  padding:14px;display:none;
}
.olu-drawer.is-open{display:block;animation:oluSlide 200ms ease-out}
@keyframes oluSlide{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}
.olu-drawer__grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.olu-drawer__item{
  display:flex;flex-direction:column;gap:8px;padding:14px;border-radius:12px;
  border:1px solid var(--line);background:var(--paper);font-size:14px;font-weight:600;color:var(--t1);
}
.olu-drawer__item.is-active{background:var(--nebula-050);border-color:var(--line-strong);color:var(--nebula-700)}
.olu-drawer__foot{margin-top:12px}
.olu-drawer__foot .olu-btn{width:100%}
@media (min-width:1024px){
  .olu-nav__links{display:flex}
  .olu-nav__cta{display:inline-flex}
  .olu-burger{display:none}
  .olu-drawer{display:none !important}
}
/* ---------- 按钮 ---------- */
.olu-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15.5px;font-weight:600;letter-spacing:.01em;border:1px solid transparent;
  transition:background 180ms ease-out,color 180ms ease-out,border-color 180ms ease-out,box-shadow 180ms ease-out,transform 180ms ease-out;
}
.olu-btn--primary{background:var(--nebula-600);color:#fff;box-shadow:0 10px 24px -14px rgba(91,63,214,.75)}
.olu-btn--primary:hover{background:var(--nebula-700);transform:translateY(-2px);box-shadow:var(--sh-2)}
.olu-btn--ghost{background:transparent;border-color:var(--line);color:var(--t1)}
.olu-btn--ghost:hover{background:var(--nebula-050);border-color:var(--line-strong)}
.olu-btn--ember{background:var(--ember-600);color:#fff}
.olu-btn--ember:hover{background:#9A3412;transform:translateY(-2px)}
.olu-btn--sm{height:40px;padding:0 16px;font-size:14.5px}
.olu-btn--xs{height:32px;padding:0 14px;font-size:13.5px}
.olu-btn:active{transform:translateY(1px);box-shadow:none}
.olu-btn[disabled]{opacity:.5;cursor:not-allowed}
.olu-link{color:var(--nebula-700);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.olu-link:hover{color:var(--nebula-600);text-underline-offset:5px}
/* ---------- 徽章 ---------- */
.olu-badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;letter-spacing:.04em;
  padding:4px 10px;border-radius:999px;
  background:var(--nebula-050);color:var(--nebula-700);
}
.olu-badge--mint{background:var(--stardust-050);color:var(--stardust-600)}
.olu-badge--ember{background:#FFE9DF;color:var(--ember-600)}
.olu-badge--line{background:transparent;border:1px solid var(--line);color:var(--t2)}
/* ---------- 卡片 / 面板 ---------- */
.olu-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);
  transition:border-color 180ms ease-out,box-shadow 180ms ease-out,transform 180ms ease-out;
}
.olu-card--hover:hover{border-color:var(--line-strong);box-shadow:var(--sh-2);transform:translateY(-2px)}
.olu-panel{background:var(--card);border:1px solid var(--line);border-radius:20px;box-shadow:var(--sh-1)}
.olu-panel--dark{background:var(--ink-900);border-color:rgba(255,255,255,.08);color:var(--on-dark-1)}
.olu-divider{height:1px;background:var(--line);border:0;margin:0}
/* ---------- 面包屑 ---------- */
.olu-crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--t2);margin-bottom:12px}
.olu-crumb li{display:inline-flex;align-items:center;gap:8px}
.olu-crumb li+li::before{content:"/";color:var(--line-strong)}
.olu-crumb a:hover{color:var(--nebula-700)}
.olu-crumb [aria-current]{color:var(--t3)}
/* ---------- 无图 Hero ---------- */
.olu-pagehero{
  position:relative;overflow:hidden;
  background:
    linear-gradient(180deg,#FFFFFF 0%,#F7F6FB 100%);
  border-bottom:1px solid var(--line);
  padding:32px 0 40px;
}
.olu-pagehero::after{
  content:"";position:absolute;right:-80px;top:-60px;width:420px;height:260px;pointer-events:none;
  background-image:repeating-linear-gradient(115deg,rgba(91,63,214,.16) 0 1px,transparent 1px 14px);
  transform:rotate(-4deg);
  opacity:.7;
}
.olu-pagehero__tag{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.olu-pagehero h1{
  font-size:clamp(26px,4.4vw,42px);line-height:1.3;font-weight:800;letter-spacing:.01em;
  max-width:20ch;position:relative;z-index:1;
}
.olu-pagehero__sub{
  margin-top:14px;font-size:16.5px;line-height:1.85;color:var(--t2);max-width:66ch;position:relative;z-index:1;
}
.olu-pagehero__meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
  margin-top:20px;font-size:13px;color:var(--t3);position:relative;z-index:1;
}
.olu-pagehero__meta span{display:inline-flex;align-items:center;gap:6px}
.olu-pagehero__jump{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;position:relative;z-index:1}
.olu-chip{
  display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 16px;border-radius:999px;
  border:1px solid var(--line);background:#fff;color:var(--t2);font-size:13.5px;font-weight:600;
  transition:all 180ms ease-out;
}
.olu-chip:hover{border-color:var(--line-strong);color:var(--nebula-700);background:var(--nebula-050)}
.olu-chip.is-on{background:var(--nebula-600);border-color:var(--nebula-600);color:#fff}
/* ---------- 主体两栏 ---------- */
.olu-rulesgrid{display:grid;grid-template-columns:1fr;gap:28px}
@media (min-width:1024px){ .olu-rulesgrid{grid-template-columns:240px minmax(0,1fr);gap:40px} }
.olu-toc{min-width:0}
.olu-toc__card{padding:20px 18px;position:sticky;top:112px}
.olu-toc__title{font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--t3);margin-bottom:14px}
.olu-toc__link{
  display:block;padding:8px 0 8px 12px;font-size:14.5px;line-height:1.6;color:var(--t2);
  border-left:2px solid transparent;transition:all 180ms ease-out;
}
.olu-toc__link:hover{color:var(--nebula-700);border-left-color:var(--line-strong)}
.olu-toc__link.is-active{color:var(--nebula-700);font-weight:700;border-left-color:var(--nebula-600);background:linear-gradient(90deg,rgba(237,233,254,.7),transparent)}
.olu-toc__cta{width:100%;margin-top:16px}
@media (max-width:1023px){ .olu-toc__card{position:static} }
/* ---------- 富文本 ---------- */
.olu-richtext{font-size:17px;line-height:1.9;color:var(--t1);max-width:72ch}
.olu-richtext p{margin:0 0 1.15em}
.olu-richtext p:last-child{margin-bottom:0}
.olu-richtext h2{
  font-size:clamp(21px,2.6vw,28px);line-height:1.38;font-weight:700;
  margin:40px 0 16px;display:flex;align-items:center;gap:12px;
}
.olu-richtext h2::before{content:"";flex:none;width:20px;height:3px;border-radius:2px;background:var(--nebula-600)}
.olu-richtext h2:first-child{margin-top:0}
.olu-richtext h3{font-size:20px;line-height:1.45;font-weight:700;margin:28px 0 12px}
.olu-richtext ul{margin:0 0 1.15em;padding:0}
.olu-richtext ul li{position:relative;padding-left:20px;line-height:1.8;margin-bottom:8px}
.olu-richtext ul li::before{
  content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:2px;background:var(--stardust-400);
}
.olu-richtext ol{counter-reset:olu;margin:0 0 1.15em}
.olu-richtext ol li{position:relative;padding-left:30px;line-height:1.8;margin-bottom:10px;counter-increment:olu}
.olu-richtext ol li::before{
  content:counter(olu);position:absolute;left:0;top:.28em;width:20px;height:20px;border-radius:6px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--nebula-050);color:var(--nebula-700);font-size:12px;font-weight:700;font-variant-numeric:tabular-nums;
}
.olu-richtext a{color:var(--nebula-700);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.olu-richtext a:hover{color:var(--nebula-500);text-underline-offset:5px}
.olu-quote{
  background:var(--nebula-050);border-left:4px solid var(--nebula-600);border-radius:12px;
  padding:20px 24px;margin:0 0 1.15em;color:#2B2350;font-size:16px;line-height:1.85;
}
.olu-figure{margin:24px 0}
.olu-figure img{width:100%;height:auto;border-radius:14px;object-fit:cover}
.olu-figure figcaption{font-size:13px;color:var(--t3);text-align:center;margin-top:10px}
/* ---------- 表格 ---------- */
.olu-table-wrap{border:1px solid var(--line);border-radius:16px;overflow:hidden;margin:0 0 24px;background:#fff}
.olu-table{width:100%;border-collapse:collapse;font-size:15px}
.olu-table caption{text-align:left;font-size:13px;color:var(--t3);padding:14px 18px 0}
.olu-table th{
  font-size:14px;font-weight:600;text-align:left;padding:14px 18px;
  background:var(--paper);color:var(--t1);border-bottom:1px solid var(--line);white-space:nowrap;
}
.olu-table td{padding:14px 18px;border-bottom:1px solid var(--line);color:var(--t2);line-height:1.7;vertical-align:top}
.olu-table tbody tr:nth-child(even){background:var(--paper)}
.olu-table tbody tr:last-child td{border-bottom:0}
/* ---------- 对照清单卡 ---------- */
.olu-check{display:grid;grid-template-columns:1fr;gap:12px;margin:0 0 24px}
@media (min-width:768px){ .olu-check{grid-template-columns:1fr 1fr} }
.olu-check__item{
  display:flex;gap:12px;padding:16px 18px;border-radius:14px;background:#fff;border:1px solid var(--line);
}
.olu-check__item svg{flex:none;color:var(--stardust-400);margin-top:4px}
.olu-check__item h4{font-size:15.5px;font-weight:700;line-height:1.5;margin-bottom:4px}
.olu-check__item p{font-size:14.5px;line-height:1.75;color:var(--t2)}
/* ---------- FAQ ---------- */
.olu-faq{background:var(--card);border:1px solid var(--line);border-radius:16px;box-shadow:var(--sh-1);overflow:hidden}
.olu-faq__item+.olu-faq__item{border-top:1px solid var(--line)}
.olu-faq__q{
  width:100%;display:flex;align-items:flex-start;gap:14px;
  padding:18px 20px;text-align:left;transition:background 180ms ease-out;
}
.olu-faq__q:hover{background:var(--paper)}
.olu-faq__idx{flex:none;width:18px;font-size:14px;font-weight:700;color:var(--t3);line-height:1.9;font-variant-numeric:tabular-nums}
.olu-faq__text{flex:1;font-size:17px;font-weight:600;line-height:1.6;color:var(--t1)}
.olu-faq__icon{flex:none;position:relative;width:20px;height:20px;margin-top:6px;transition:transform 220ms ease-out}
.olu-faq__icon::before,.olu-faq__icon::after{
  content:"";position:absolute;background:var(--nebula-600);border-radius:2px;
}
.olu-faq__icon::before{left:0;top:9px;width:20px;height:2px}
.olu-faq__icon::after{left:9px;top:0;width:2px;height:20px;transition:opacity 200ms ease-out}
.olu-faq__item.is-open .olu-faq__icon{transform:rotate(180deg)}
.olu-faq__item.is-open .olu-faq__icon::after{opacity:0}
.olu-faq__a{max-height:0;overflow:hidden;transition:max-height 280ms ease-out}
.olu-faq__a-inner{padding:0 20px 20px 52px;font-size:16px;line-height:1.85;color:var(--t2)}
/* ---------- 结尾 CTA ---------- */
.olu-endcta{
  background:var(--card);border:1px solid var(--line);border-radius:24px;box-shadow:var(--sh-1);
  padding:32px 24px;display:flex;flex-direction:column;gap:20px;
}
@media (min-width:1024px){
  .olu-endcta{flex-direction:row;align-items:center;justify-content:space-between;padding:40px 40px}
}
.olu-endcta h2{font-size:clamp(21px,2.6vw,28px);line-height:1.38;font-weight:700;margin-bottom:10px}
.olu-endcta p{font-size:16px;line-height:1.8;color:var(--t2);max-width:56ch}
.olu-endcta__actions{display:flex;flex-wrap:wrap;gap:12px;flex:none}
/* ---------- 页脚 ---------- */
.olu-footer{position:relative;overflow:hidden;background:var(--ink-900);color:var(--on-dark-1);margin-top:48px;padding:64px 0 32px}
@media (min-width:1024px){ .olu-footer{margin-top:80px} }
.olu-footer__grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr;gap:36px}
@media (min-width:768px){ .olu-footer__grid{grid-template-columns:1.4fr 1fr 1fr 1fr} }
.olu-footer__brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:var(--on-dark-1);margin-bottom:14px}
.olu-footer__brand svg{color:var(--stardust-400);flex:none}
.olu-footer__desc{font-size:14px;line-height:1.8;color:var(--on-dark-2);max-width:34ch;margin-bottom:20px}
.olu-qr{
  width:88px;height:88px;border-radius:12px;border:1px dashed rgba(237,235,255,.28);background:rgba(255,255,255,.04);
  display:flex;align-items:center;justify-content:center;text-align:center;font-size:11.5px;line-height:1.6;color:var(--on-dark-2);
}
.olu-footer__col h3{font-size:14px;font-weight:600;color:var(--on-dark-1);margin-bottom:16px;letter-spacing:.04em}
.olu-footer__col ul{display:flex;flex-direction:column;gap:10px}
.olu-footer-link{
  display:inline-block;font-size:14px;color:var(--on-dark-2);
  transition:color 180ms ease-out,transform 180ms ease-out;
}
.olu-footer-link:hover{color:var(--stardust-400);transform:translateX(2px)}
.olu-footer__bottom{
  position:relative;z-index:1;margin-top:48px;padding-top:24px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  font-size:13px;color:var(--on-dark-2);
}
.olu-totop{
  display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;
  border:1px solid rgba(237,235,255,.22);color:var(--on-dark-1);
  transition:background 180ms ease-out,border-color 180ms ease-out,transform 180ms ease-out;
}
.olu-totop:hover{background:rgba(237,235,255,.1);border-color:rgba(237,235,255,.4);transform:translateY(-2px)}

/* roulang page: category3 */
:root{
  --ink-900:#0B0D26;
  --ink-800:#141838;
  --nebula-700:#472FBB;
  --nebula-600:#5B3FD6;
  --nebula-500:#7357E8;
  --nebula-050:#EDE9FE;
  --stardust-600:#10857A;
  --stardust-400:#35D0BA;
  --stardust-050:#DFF7F3;
  --ember-600:#C2410C;
  --ember-500:#FF7A45;
  --paper:#F7F6FB;
  --card:#FFFFFF;
  --line:#E6E4F2;
  --line-strong:#D9D3F5;
  --t1:#14162E;
  --t2:#5B5F7C;
  --t3:#8A8EA8;
  --on-dark-1:#EDEBFF;
  --on-dark-2:rgba(237,235,255,.72);
  --sh-1:0 1px 2px rgba(11,13,38,.04),0 8px 24px -12px rgba(11,13,38,.14);
  --sh-2:0 18px 48px -20px rgba(91,63,214,.28);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Source Han Sans SC','Noto Sans SC',system-ui,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--t1);
  background:var(--paper);
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
p{margin:0 0 1.05em}
p:last-child{margin-bottom:0}
:focus-visible{outline:2px solid var(--stardust-400);outline-offset:2px}

.olu-container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:1024px){.olu-container{padding:0 32px}}

/* ---------- 倒计时条 ---------- */
.olu-countdown{
  position:sticky;top:0;z-index:80;
  background:var(--ink-900);
  color:var(--on-dark-1);
  font-size:13px;letter-spacing:.02em;
}
.olu-countdown__inner{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  min-height:40px;padding-top:4px;padding-bottom:4px;
}
.olu-countdown__text{display:flex;align-items:center;gap:8px;margin:0;color:var(--on-dark-2)}
.olu-countdown__time{
  display:inline-block;min-width:74px;text-align:center;
  font-variant-numeric:tabular-nums;font-weight:700;color:var(--stardust-400);
}

/* ---------- 导航 ---------- */
.olu-navbar{position:sticky;top:40px;z-index:70}
.olu-nav.olu-nav{
  display:flex;align-items:center;gap:16px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:16px;
  box-shadow:var(--sh-1);
  padding:10px 14px;
}
.olu-brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.olu-brand__mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:11px;
  background:var(--nebula-050);color:var(--nebula-700);
}
.olu-brand__name{font-size:17px;font-weight:800;letter-spacing:.01em;color:var(--t1);white-space:nowrap}
.olu-nav__links{display:flex;align-items:center;gap:8px;list-style:none;margin:0;padding:0;flex:1 1 auto}
.olu-nav__link{
  display:inline-flex;align-items:center;gap:6px;
  height:44px;padding:0 12px;border-radius:12px;
  font-size:15px;font-weight:600;color:var(--t2);
  transition:background 180ms ease-out,color 180ms ease-out;
  white-space:nowrap;
}
.olu-nav__link:hover{background:var(--paper);color:var(--t1)}
.olu-nav__link.is-active{background:var(--nebula-050);color:var(--nebula-700)}
.olu-nav__cta{display:flex;align-items:center;gap:10px;margin-left:auto;flex:0 0 auto}
.olu-burger.olu-burger{
  display:none;width:44px;height:44px;border-radius:12px;
  align-items:center;justify-content:center;
  border:1px solid var(--line);background:#fff;color:var(--t1);cursor:pointer;
}
.olu-burger.olu-burger:hover{background:var(--paper)}

/* ---------- 抽屉 ---------- */
.olu-drawer{
  position:fixed;inset:0;z-index:120;
  background:rgba(11,13,38,.52);
  opacity:0;pointer-events:none;
  transition:opacity 200ms ease-out;
}
.olu-drawer.is-open{opacity:1;pointer-events:auto}
.olu-drawer__panel{
  position:absolute;top:0;left:0;right:0;
  background:var(--card);border-radius:0 0 20px 20px;
  padding:20px;
  transform:translateY(-14px);
  transition:transform 200ms ease-out;
}
.olu-drawer.is-open .olu-drawer__panel{transform:none}
.olu-drawer__grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-bottom:16px}
.olu-drawer__item{
  display:flex;flex-direction:column;gap:6px;
  padding:14px;border-radius:14px;border:1px solid var(--line);
  background:#fff;font-size:14px;font-weight:600;color:var(--t1);
}
.olu-drawer__item.is-active{background:var(--nebula-050);border-color:var(--line-strong);color:var(--nebula-700)}
.olu-drawer__item svg{color:var(--nebula-600)}

/* ---------- 按钮 ---------- */
.olu-btn.olu-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 18px;border-radius:12px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:background 180ms ease-out,color 180ms ease-out,border-color 180ms ease-out,box-shadow 180ms ease-out,transform 180ms ease-out;
}
.olu-btn.olu-btn:active{transform:translateY(1px);box-shadow:none}
.olu-btn.olu-btn--primary{background:var(--nebula-600);color:#fff}
.olu-btn.olu-btn--primary:hover{background:var(--nebula-700);box-shadow:var(--sh-2)}
.olu-btn.olu-btn--ghost{background:transparent;border-color:var(--line);color:var(--t1)}
.olu-btn.olu-btn--ghost:hover{background:var(--nebula-050);border-color:var(--line-strong)}
.olu-btn.olu-btn--ghost-dark{background:transparent;border-color:rgba(237,235,255,.32);color:var(--on-dark-1)}
.olu-btn.olu-btn--ghost-dark:hover{background:rgba(237,235,255,.1)}
.olu-btn.olu-btn--ember{background:var(--ember-500);color:#fff}
.olu-btn.olu-btn--ember:hover{background:var(--ember-600)}
.olu-btn.olu-btn--sm{height:32px;padding:0 14px;font-size:14px}
.olu-btn.olu-btn--lg{height:48px;padding:0 24px;font-size:16px}
.olu-link{
  color:var(--nebula-700);font-weight:600;
  text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;
}
.olu-link:hover{color:var(--nebula-600)}

/* ---------- 徽章 / 胶囊 ---------- */
.olu-badge.olu-badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;line-height:1.5;letter-spacing:.04em;
  padding:4px 10px;border-radius:999px;white-space:nowrap;
}
.olu-badge.olu-badge--cat{background:var(--nebula-050);color:var(--nebula-700)}
.olu-badge.olu-badge--state{background:var(--stardust-050);color:var(--stardust-600)}
.olu-badge.olu-badge--time{background:#FFE9DF;color:var(--ember-600)}
.olu-badge.olu-badge--dark{background:rgba(237,235,255,.14);color:var(--on-dark-1)}

.olu-chip.olu-chip{
  display:inline-flex;align-items:center;gap:6px;
  border:1px solid var(--line);background:#fff;color:var(--t2);
  border-radius:999px;padding:8px 16px;font-size:14px;font-weight:600;
  cursor:pointer;transition:all 160ms ease-out;
}
.olu-chip.olu-chip:hover{border-color:var(--line-strong);color:var(--nebula-700)}
.olu-chip.olu-chip.is-active{background:var(--nebula-600);border-color:var(--nebula-600);color:#fff}
.olu-chip.olu-chip--dark{background:rgba(237,235,255,.08);border-color:rgba(237,235,255,.28);color:var(--on-dark-1)}
.olu-chip.olu-chip--dark:hover{background:rgba(237,235,255,.16);color:#fff}

/* ---------- 排版 ---------- */
.olu-h1{
  font-size:clamp(26px,4.4vw,42px);line-height:1.3;font-weight:800;
  letter-spacing:.01em;margin:0 0 14px;color:var(--on-dark-1);
}
.olu-h2{font-size:clamp(21px,2.6vw,28px);line-height:1.38;font-weight:700;margin:0;color:var(--t1)}
.olu-h3{font-size:20px;line-height:1.45;font-weight:700;margin:0;color:var(--t1)}
.olu-h4{font-size:17px;line-height:1.5;font-weight:600;margin:0;color:var(--t1)}
.olu-t2{color:var(--t2)}
.olu-t3{color:var(--t3)}

/* ---------- 板块 ---------- */
.olu-section{padding:48px 0}
@media(min-width:1024px){.olu-section{padding:80px 0}}
.olu-section--white{background:#fff}
.olu-sechead{max-width:760px;margin-bottom:24px}
.olu-secdesc{color:var(--t2);font-size:16px;margin:10px 0 0;line-height:1.85}

/* ---------- Hero ---------- */
.olu-hero{position:relative;background:var(--ink-900);color:var(--on-dark-1);overflow:hidden}
.olu-hero__bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.52}
.olu-hero__veil{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,13,38,.84),rgba(11,13,38,.74) 46%,rgba(11,13,38,.96));
}
.olu-stars{
  position:absolute;inset:0;pointer-events:none;
  background-image:
    radial-gradient(2px 2px at 14% 24%,rgba(255,255,255,.55),transparent),
    radial-gradient(2px 2px at 38% 68%,rgba(53,208,186,.5),transparent),
    radial-gradient(1.6px 1.6px at 66% 32%,rgba(255,255,255,.42),transparent),
    radial-gradient(1.6px 1.6px at 84% 74%,rgba(115,87,232,.6),transparent);
  opacity:.34;
}
.olu-hero__inner{position:relative;z-index:2;padding-top:56px;padding-bottom:56px}
@media(min-width:1024px){.olu-hero__inner{padding-top:72px;padding-bottom:72px}}
.olu-hero__eyebrow{display:flex;align-items:center;gap:10px;font-size:13px;letter-spacing:.04em;color:var(--on-dark-2);margin:0 0 16px}
.olu-hero__sub{font-size:17px;color:var(--on-dark-1);margin:0 0 10px;font-weight:600;max-width:60ch}
.olu-hero__desc{color:var(--on-dark-2);font-size:15.5px;max-width:66ch;margin:0 0 22px}
.olu-anchors{display:flex;flex-wrap:wrap;gap:10px}

/* ---------- 图墙 ---------- */
.olu-wall{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.olu-wall__col{display:contents}
@media(min-width:768px){
  .olu-wall{grid-template-columns:repeat(3,1fr);gap:16px}
  .olu-wall__col{display:flex;flex-direction:column;gap:16px}
}
.olu-tile.olu-tile{
  position:relative;overflow:hidden;margin:0;
  border-radius:16px;background:var(--ink-800);
  box-shadow:var(--sh-1);
  transition:box-shadow 200ms ease-out,transform 200ms ease-out;
}
.olu-tile.olu-tile:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.olu-tile--tall{aspect-ratio:3/4}
.olu-tile--wide{aspect-ratio:4/3}
.olu-tile--big{aspect-ratio:16/10}
.olu-tile img{width:100%;height:100%;object-fit:cover;transition:transform 220ms ease-out}
.olu-tile.olu-tile:hover img{transform:scale(1.03)}
.olu-tile__mask{
  position:absolute;left:0;right:0;bottom:0;
  padding:16px;
  background:linear-gradient(to top,rgba(11,13,38,.88),rgba(11,13,38,0));
  opacity:1;transform:none;
  transition:opacity 200ms ease-out,transform 200ms ease-out;
}
@media(hover:hover){
  .olu-tile__mask{opacity:0;transform:translateY(12px)}
  .olu-tile.olu-tile:hover .olu-tile__mask{opacity:1;transform:none}
}
.olu-tile__title{color:#fff;font-size:15px;font-weight:600;line-height:1.5;margin:8px 0 0}
.olu-tile.is-hidden{display:none !important}
.olu-filters{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 24px}

/* ---------- 步骤 ---------- */
.olu-steps{display:grid;grid-template-columns:1fr;gap:16px}
@media(min-width:640px){.olu-steps{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.olu-steps{grid-template-columns:repeat(4,1fr)}}
.olu-card.olu-card{
  background:var(--card);border:1px solid var(--line);border-radius:16px;
  box-shadow:var(--sh-1);
  transition:box-shadow 180ms ease-out,border-color 180ms ease-out,transform 180ms ease-out;
}
.olu-card.olu-card:hover{border-color:var(--line-strong);box-shadow:var(--sh-2);transform:translateY(-2px)}
.olu-step__num{
  font-variant-numeric:tabular-nums;font-size:16px;font-weight:800;color:var(--nebula-600);
  letter-spacing:.04em;
}

/* ---------- 深色横条 CTA ---------- */
.olu-band.olu-band{
  position:relative;overflow:hidden;
  background:var(--ink-900);color:var(--on-dark-1);
  border-radius:24px;padding:28px 24px;
  display:flex;flex-direction:column;gap:18px;align-items:flex-start;
}
@media(min-width:768px){
  .olu-band.olu-band{
    flex-direction:row;align-items:center;justify-content:space-between;
    padding:32px 40px;min-height:110px;
  }
}
.olu-band__title{font-size:clamp(20px,2.4vw,26px);font-weight:700;margin:0 0 6px;color:var(--on-dark-1)}
.olu-band__desc{color:var(--on-dark-2);font-size:15px;margin:0;max-width:56ch}

/* ---------- FAQ ---------- */
.olu-faq.olu-faq{
  background:var(--card);border:1px solid var(--line);border-radius:16px;
  box-shadow:var(--sh-1);overflow:hidden;
}
.olu-faq__item{border-top:1px solid var(--line)}
.olu-faq__item:first-child{border-top:0}
.olu-faq__q{
  display:flex;align-items:center;gap:12px;
  padding:20px 22px;cursor:pointer;list-style:none;
  font-size:17px;font-weight:600;color:var(--t1);
  transition:background 160ms ease-out;
}
.olu-faq__q::-webkit-details-marker{display:none}
.olu-faq__item:hover .olu-faq__q{background:var(--paper)}
.olu-faq__idx{font-size:14px;color:var(--t3);font-variant-numeric:tabular-nums;min-width:22px;font-weight:600}
.olu-faq__icon{margin-left:auto;width:20px;height:20px;color:var(--t3);flex:0 0 auto;transition:transform 200ms ease-out}
.olu-faq__item[open] .olu-faq__icon{transform:rotate(45deg)}
.olu-faq__a{padding:0 22px 20px 56px;color:var(--t2);font-size:15.5px;line-height:1.85;max-width:72ch}

/* ---------- 面包屑 ---------- */
.olu-crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--t2);padding:20px 0 0}
.olu-crumb a{color:var(--t2)}
.olu-crumb a:hover{color:var(--nebula-700)}
.olu-crumb span[aria-current]{color:var(--t3)}

/* ---------- 页脚 ---------- */
.olu-footer{position:relative;background:var(--ink-900);color:var(--on-dark-1);padding:64px 0 32px;overflow:hidden}
.olu-footer .olu-stars{opacity:.2}
.olu-footer__inner{position:relative;z-index:2}
.olu-footer__grid{display:grid;grid-template-columns:1fr;gap:32px}
@media(min-width:768px){.olu-footer__grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px}}
.olu-footer__brand{display:flex;align-items:center;gap:10px;color:var(--on-dark-1);margin-bottom:14px}
.olu-footer__brand span{font-size:16px;font-weight:800}
.olu-footer__desc{color:var(--on-dark-2);font-size:14px;line-height:1.8;max-width:36ch;margin:0 0 18px}
.olu-qr{
  width:88px;height:88px;border-radius:12px;
  border:1px dashed rgba(237,235,255,.3);
  display:flex;align-items:center;justify-content:center;
  text-align:center;font-size:12px;line-height:1.5;color:var(--on-dark-2);
}
.olu-footer__col h3{font-size:14px;font-weight:600;color:var(--on-dark-1);margin:0 0 14px}
.olu-footer__col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.olu-footer-link{
  font-size:14px;color:var(--on-dark-2);display:inline-block;
  transition:color 160ms ease-out,transform 160ms ease-out;
}
.olu-footer-link:hover{color:var(--stardust-400);transform:translateX(2px)}
.olu-footer__bottom{
  margin-top:40px;padding-top:24px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  font-size:13px;color:var(--on-dark-2);
}
.olu-totop.olu-totop{
  width:44px;height:44px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid rgba(237,235,255,.24);background:transparent;color:var(--on-dark-1);
  cursor:pointer;transition:background 160ms ease-out;
}
.olu-totop.olu-totop:hover{background:rgba(237,235,255,.12)}

/* ---------- 移动端导航 ---------- */
@media(max-width:767px){
  .olu-nav__links{display:none}
  .olu-nav__cta .olu-btn--primary{display:none}
  .olu-burger.olu-burger{display:inline-flex}
  .olu-nav.olu-nav{padding:6px 12px;min-height:56px}
  .olu-brand__name{font-size:15px}
}