/* roulang page: index */
:root{
  --ink:#0D0E10;
  --paper:#FAF9F6;
  --line:#E7E5E0;
  --lime:#C9F24D;
  --lime-ink:#1B1F0E;
  --muted:#8B8F96;
  --white:#FFFFFF;
  --r-card:14px;
  --r-img:12px;
  --r-pill:999px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(13,14,16,.05);
  --sh-2:0 14px 34px rgba(13,14,16,.13);
  --ease:cubic-bezier(.2,.7,.3,1);

  --bs-body-bg:var(--paper);
  --bs-body-color:var(--ink);
  --bs-border-color:var(--line);
  --bs-link-color:var(--ink);
  --bs-link-hover-color:var(--ink);
  --bs-primary:var(--ink);
  --bs-secondary-color:var(--muted);
  --bs-body-font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --bs-body-font-size:16px;
  --bs-border-radius:14px;
  --bs-focus-ring-color:rgba(201,242,77,.95);
  --bs-accordion-bg:transparent;
  --bs-accordion-border-color:var(--line);
  --bs-accordion-btn-color:var(--ink);
  --bs-accordion-active-bg:transparent;
  --bs-accordion-active-color:var(--ink);
  --bs-accordion-btn-focus-box-shadow:0 0 0 2px var(--lime);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.3;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}
::selection{background:var(--lime);color:var(--lime-ink);}

.ui-container{width:100%;max-width:1320px;margin:0 auto;padding-left:24px;padding-right:24px;}
.ui-section{padding:110px 0;}
.ui-section-sm{padding:72px 0;}

/* ---------- 通用文本 ---------- */
.ui-eyebrow{
  font-size:12px;letter-spacing:.18em;color:var(--muted);
  text-transform:uppercase;font-weight:600;margin:0;
}
.ui-sec-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:28px;margin-bottom:44px;flex-wrap:wrap;
}
.ui-sec-title{
  font-size:clamp(1.6rem,2.6vw,2.2rem);
  font-weight:700;letter-spacing:-.01em;
}
.ui-sec-desc{font-size:14px;color:var(--muted);margin-top:10px;letter-spacing:.01em;}
.ui-more{
  font-size:14px;font-weight:600;padding-bottom:3px;
  border-bottom:2px solid transparent;transition:border-color .2s var(--ease);
  white-space:nowrap;
}
.ui-more:hover{border-bottom-color:var(--lime);}
.ui-meta{font-size:13px;color:var(--muted);letter-spacing:.02em;}

/* ---------- 按钮 ---------- */
.ui-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:background-color .18s var(--ease),color .18s var(--ease),
             border-color .18s var(--ease),transform .18s var(--ease);
}
.ui-btn:active{transform:translateY(1px);}
.ui-btn[disabled]{opacity:.45;pointer-events:none;}
.ui-btn-ink{background:var(--ink);color:var(--paper);}
.ui-btn-ink:hover{background:var(--lime);color:var(--lime-ink);}
.ui-btn-lime{background:var(--lime);color:var(--lime-ink);}
.ui-btn-lime:hover{background:#b8e63c;color:var(--lime-ink);}
.ui-btn-ghost{background:transparent;color:var(--paper);border-color:rgba(250,249,246,.55);}
.ui-btn-ghost:hover{border-color:var(--lime);color:var(--lime);}
.ui-btn-outline{background:transparent;color:var(--ink);border-color:var(--line);}
.ui-btn-outline:hover{border-color:var(--ink);}
.ui-btn-sm{padding:8px 18px;font-size:14px;}

/* ---------- 徽章 / 胶囊 ---------- */
.ui-chip{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:.02em;
  padding:3px 9px;border-radius:var(--r-badge);
  background:var(--lime);color:var(--lime-ink);
}
.ui-chip-line{background:transparent;border:1px solid var(--line);color:var(--muted);}
.ui-pill{
  display:inline-block;font-size:13px;padding:7px 16px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--white);color:var(--muted);
  cursor:pointer;transition:all .18s var(--ease);
}
.ui-pill:hover,.ui-pill.is-active{background:var(--ink);color:var(--paper);border-color:var(--ink);}
.ui-pills{display:flex;flex-wrap:wrap;gap:10px;}

/* ---------- 导航 ---------- */
.ui-header{
  position:sticky;top:0;z-index:1030;
  background:var(--paper);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease);
}
.ui-header.is-scrolled{box-shadow:0 6px 20px rgba(13,14,16,.06);}
.ui-navbar{padding:0;background:transparent;}
.ui-nav-inner{
  display:flex;align-items:center;gap:26px;
  min-height:76px;flex-wrap:nowrap;
}
.ui-header.is-scrolled .ui-nav-inner{min-height:66px;transition:min-height .25s var(--ease);}
.ui-logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.ui-logo-mark{
  width:34px;height:34px;border-radius:10px;
  border:1.5px solid var(--ink);color:var(--ink);
  display:grid;place-items:center;flex-shrink:0;
}
.ui-logo-text{display:flex;flex-direction:column;line-height:1.15;}
.ui-logo-cn{font-size:16px;font-weight:700;letter-spacing:-.01em;white-space:nowrap;}
.ui-logo-sub{font-size:10px;letter-spacing:.24em;color:var(--muted);text-transform:lowercase;}
.ui-nav-links{display:flex;align-items:center;gap:4px;margin:0 0 0 12px;flex:1 1 auto;}
.ui-nav-links .nav-link{
  position:relative;font-size:15px;color:var(--ink);
  padding:10px 12px;font-weight:500;white-space:nowrap;
}
.ui-nav-links .nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;
  transition:transform .2s var(--ease);
}
.ui-nav-links .nav-link:hover::after{transform:scaleX(1);}
.ui-nav-links .nav-link.is-active{font-weight:600;}
.ui-nav-links .nav-link.is-active::after{transform:scaleX(1);}
.ui-nav-right{display:flex;align-items:center;gap:14px;flex-shrink:0;}
.ui-search{position:relative;width:230px;}
.ui-search input{
  width:100%;height:42px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--white);
  padding:0 44px 0 18px;font-size:14px;color:var(--ink);
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.ui-search input::placeholder{color:var(--muted);}
.ui-search input:focus{
  outline:none;border-color:var(--ink);
  box-shadow:0 0 0 2px var(--lime);
}
.ui-search button{
  position:absolute;right:6px;top:50%;transform:translateY(-50%);
  width:32px;height:32px;border-radius:50%;border:0;background:transparent;
  color:var(--muted);display:grid;place-items:center;cursor:pointer;
  transition:color .18s var(--ease),background-color .18s var(--ease);
}
.ui-search button:hover{color:var(--ink);background:rgba(13,14,16,.05);}
.ui-toggler{
  border:1px solid var(--line);background:var(--white);
  border-radius:10px;padding:9px 10px;margin-left:auto;
}
.ui-toggler:focus{box-shadow:0 0 0 2px var(--lime);}
.ui-bars{display:block;width:20px;}
.ui-bars i{display:block;height:2px;background:var(--ink);border-radius:2px;}
.ui-bars i + i{margin-top:4px;}

/* ---------- Hero ---------- */
.ui-hero{
  position:relative;min-height:80vh;display:flex;align-items:flex-end;
  background:var(--ink);overflow:hidden;
}
.ui-hero-media{
  position:absolute;inset:0;
  background-image:
    linear-gradient(180deg,rgba(13,14,16,0) 35%,rgba(13,14,16,.92) 100%),
    url(/assets/images/backpic/back-1.webp);
  background-size:cover;background-position:center;
}
.ui-hero-inner{position:relative;z-index:2;padding-top:170px;padding-bottom:84px;color:var(--paper);}
.ui-hero-content{max-width:880px;}
.ui-hero .ui-eyebrow{color:rgba(250,249,246,.68);}
.ui-hero h1{
  font-size:clamp(2.1rem,4vw,3.6rem);
  line-height:1.15;font-weight:800;letter-spacing:-.02em;
  margin:20px 0 22px;color:var(--paper);
}
.ui-hero-sub{
  font-size:17px;line-height:1.8;color:rgba(250,249,246,.78);
  max-width:640px;margin-bottom:34px;
}
.ui-hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.ui-hero-foot{
  position:relative;z-index:2;
  border-top:1px solid rgba(250,249,246,.16);
}
.ui-hero-facts{
  display:flex;flex-wrap:wrap;gap:14px 42px;
  padding:18px 0 22px;
}
.ui-hero-facts li{
  font-size:13px;letter-spacing:.02em;color:rgba(250,249,246,.7);
  display:flex;align-items:center;gap:8px;
}
.ui-hero-facts li::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--lime);
}

/* ---------- 横滑片库 ---------- */
.ui-rail-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px;flex-wrap:wrap;}
.ui-rail-ctrl{display:flex;gap:10px;}
.ui-rail-btn{
  width:44px;height:44px;border-radius:50%;
  border:1px solid var(--line);background:var(--white);color:var(--ink);
  display:grid;place-items:center;cursor:pointer;
  transition:background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.ui-rail-btn:hover{background:var(--ink);color:var(--paper);border-color:var(--ink);}
.ui-rail-wrap{position:relative;}
.ui-rail-wrap::before,.ui-rail-wrap::after{
  content:"";position:absolute;top:0;bottom:24px;width:56px;pointer-events:none;z-index:2;
}
.ui-rail-wrap::before{left:0;background:linear-gradient(90deg,var(--paper),rgba(250,249,246,0));}
.ui-rail-wrap::after{right:0;background:linear-gradient(270deg,var(--paper),rgba(250,249,246,0));}
.ui-rail{
  display:flex;gap:20px;overflow-x:auto;
  scroll-snap-type:x mandatory;
  padding:4px 4px 26px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.ui-rail::-webkit-scrollbar{display:none;}
.ui-rail .ui-poster{flex:0 0 224px;scroll-snap-align:start;}

/* ---------- 海报卡 ---------- */
.ui-poster{display:flex;flex-direction:column;}
.ui-poster-media{
  position:relative;display:block;border-radius:var(--r-img);
  overflow:hidden;aspect-ratio:2/3;
  background:#EFEDE8;border:1px solid var(--line);
}
.ui-poster-media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .5s var(--ease);
}
.ui-poster:hover .ui-poster-media img{transform:scale(1.04);}
.ui-poster-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(13,14,16,0) 55%,rgba(13,14,16,.55) 100%);
  opacity:0;transition:opacity .3s var(--ease);
}
.ui-poster:hover .ui-poster-media::after{opacity:1;}
.ui-poster-badge{
  position:absolute;left:10px;top:10px;z-index:2;
  font-size:12px;font-weight:600;padding:3px 9px;border-radius:var(--r-badge);
  background:var(--lime);color:var(--lime-ink);
}
.ui-poster-play{
  position:absolute;left:14px;bottom:14px;z-index:3;
  font-size:13px;font-weight:600;color:var(--lime);
  opacity:0;transform:translateY(6px);
  transition:opacity .3s var(--ease),transform .3s var(--ease);
}
.ui-poster:hover .ui-poster-play{opacity:1;transform:translateY(0);}
.ui-poster-title{
  font-size:1.02rem;font-weight:600;line-height:1.5;
  margin:14px 0 4px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.ui-poster-title a:hover{color:var(--ink);border-bottom:2px solid var(--lime);}
.ui-poster-meta{font-size:13px;color:var(--muted);letter-spacing:.02em;}

/* ---------- 热播推荐 ---------- */
.ui-feature-grid{
  display:grid;grid-template-columns:1.55fr .85fr .85fr;gap:24px;
}
.ui-feature-main{
  border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--white);overflow:hidden;box-shadow:var(--sh-1);
  transition:box-shadow .28s var(--ease),transform .28s var(--ease);
}
.ui-feature-main:hover{box-shadow:var(--sh-2);transform:translateY(-4px);}
.ui-feature-media{
  position:relative;display:block;aspect-ratio:16/9;overflow:hidden;
  background:#EFEDE8;border-bottom:1px solid var(--line);
}
.ui-feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.ui-feature-main:hover .ui-feature-media img{transform:scale(1.04);}
.ui-feature-rank{
  position:absolute;left:16px;top:16px;
  font-size:12px;font-weight:600;padding:4px 10px;border-radius:var(--r-badge);
  background:var(--lime);color:var(--lime-ink);
}
.ui-feature-body{padding:24px 26px 28px;}
.ui-feature-body h3{font-size:1.35rem;font-weight:700;margin:12px 0 10px;}
.ui-feature-body h3 a:hover{border-bottom:2px solid var(--lime);}
.ui-feature-body p{font-size:14px;color:var(--muted);line-height:1.8;margin-bottom:20px;}
.ui-feature-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;}

/* ---------- 片单分区 ---------- */
.ui-collections{padding-top:0;}
.ui-collection{padding:96px 0;}
.ui-collection + .ui-collection{border-top:1px solid var(--line);}
.ui-grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}

/* ---------- 数据带 ---------- */
.ui-stats{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--white);}
.ui-stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:56px 0;}
.ui-stat{padding-left:20px;border-left:2px solid var(--line);}
.ui-stat-num{
  font-size:clamp(1.7rem,2.6vw,2.3rem);font-weight:800;letter-spacing:-.02em;line-height:1.2;
}
.ui-stat-label{font-size:13px;color:var(--muted);letter-spacing:.02em;margin-top:6px;}

/* ---------- 最新信息 ---------- */
.ui-news{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.ui-news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.ui-news-card{
  display:flex;flex-direction:column;justify-content:space-between;
  border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--paper);padding:24px 24px 20px;
  transition:box-shadow .28s var(--ease),transform .28s var(--ease),border-color .28s var(--ease);
}
.ui-news-card:hover{box-shadow:var(--sh-2);transform:translateY(-4px);border-color:#DCD9D2;}
.ui-news-title{
  font-size:1.06rem;font-weight:600;line-height:1.55;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.ui-news-card:hover .ui-news-title{text-decoration:underline;text-decoration-color:var(--lime);text-decoration-thickness:3px;text-underline-offset:4px;}
.ui-news-sum{
  font-size:14px;color:var(--muted);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.ui-news-meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:22px;padding-top:16px;border-top:1px solid var(--line);
}
.ui-news-meta time{font-size:13px;color:var(--muted);letter-spacing:.02em;}
.ui-empty{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:16px;padding:72px 24px;border:1px dashed var(--line);border-radius:var(--r-card);
  background:var(--paper);text-align:center;
}
.ui-empty-icon{
  width:52px;height:52px;border-radius:14px;border:1.5px solid var(--line);
  position:relative;
}
.ui-empty-icon::after{
  content:"";position:absolute;left:14px;top:24px;width:24px;height:2px;
  background:var(--muted);border-radius:2px;
}
.ui-empty p{font-size:15px;color:var(--muted);}

/* ---------- FAQ ---------- */
.ui-faq .accordion-item{
  background:transparent;border:0;border-top:1px solid var(--line);
}
.ui-faq .accordion-item:last-child{border-bottom:1px solid var(--line);}
.ui-faq .accordion-header{margin:0;}
.ui-faq .accordion-button{
  position:relative;background:transparent;border:0;box-shadow:none;
  font-size:1.06rem;font-weight:600;color:var(--ink);
  padding:26px 56px 26px 20px;line-height:1.6;border-radius:0;
}
.ui-faq .accordion-button:not(.collapsed){color:var(--ink);}
.ui-faq .accordion-button:not(.collapsed)::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:24px;background:var(--lime);border-radius:2px;
}
.ui-faq .accordion-button::after{
  content:"+";background-image:none;width:auto;height:auto;
  font-size:22px;font-weight:300;color:var(--muted);line-height:1;
  margin-left:auto;position:absolute;right:16px;top:50%;transform:translateY(-50%);
  transition:color .26s var(--ease);
}
.ui-faq .accordion-button:not(.collapsed)::after{content:"−";color:var(--ink);}
.ui-faq .accordion-button:hover::after{color:var(--ink);}
.ui-faq .accordion-button:focus{box-shadow:none;outline:2px solid var(--lime);outline-offset:-2px;}
.ui-faq .accordion-collapse{transition:height .26s var(--ease);}
.ui-faq .accordion-body{
  padding:0 90px 28px 20px;font-size:15px;color:var(--muted);line-height:1.9;
}

/* ---------- CTA ---------- */
.ui-cta{background:var(--ink);color:var(--paper);padding:78px 0;}
.ui-cta-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:40px;flex-wrap:wrap;
}
.ui-cta-title{font-size:clamp(1.5rem,2.4vw,2rem);font-weight:700;letter-spacing:-.01em;color:var(--paper);}
.ui-cta-sub{font-size:15px;color:rgba(250,249,246,.68);margin-top:10px;max-width:520px;}
.ui-cta-form{display:flex;gap:12px;flex-wrap:wrap;}
.ui-cta-form input{
  height:48px;min-width:260px;border-radius:var(--r-pill);
  border:1px solid rgba(250,249,246,.28);background:rgba(250,249,246,.06);
  color:var(--paper);padding:0 20px;font-size:14px;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.ui-cta-form input::placeholder{color:rgba(250,249,246,.45);}
.ui-cta-form input:focus{outline:none;border-color:var(--lime);box-shadow:0 0 0 2px rgba(201,242,77,.55);}

/* ---------- 页脚 ---------- */
.ui-footer{background:var(--ink);color:rgba(250,249,246,.72);padding:74px 0 0;}
.ui-footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;
  padding-bottom:56px;
}
.ui-footer .ui-logo-mark{border-color:rgba(250,249,246,.6);color:var(--paper);}
.ui-footer .ui-logo-cn{color:var(--paper);}
.ui-footer .ui-logo-sub{color:rgba(250,249,246,.45);}
.ui-footer-desc{font-size:14px;line-height:1.9;margin-top:20px;max-width:320px;}
.ui-footer-title{
  font-size:13px;letter-spacing:.16em;color:rgba(250,249,246,.5);
  font-weight:600;margin-bottom:20px;text-transform:uppercase;
}
.ui-footer-links li + li{margin-top:12px;}
.ui-footer-links a{font-size:14px;color:rgba(250,249,246,.74);}
.ui-footer-links a:hover{color:var(--lime);}
.ui-footer-info{font-size:14px;line-height:1.9;}
.ui-footer-info li + li{margin-top:12px;}
.ui-footer-form{display:flex;gap:10px;margin-top:18px;flex-wrap:wrap;}
.ui-footer-form input{
  flex:1 1 150px;height:44px;border-radius:var(--r-pill);
  border:1px solid rgba(250,249,246,.24);background:rgba(250,249,246,.06);
  color:var(--paper);padding:0 18px;font-size:14px;
}
.ui-footer-form input::placeholder{color:rgba(250,249,246,.4);}
.ui-footer-form input:focus{outline:none;border-color:var(--lime);box-shadow:0 0 0 2px rgba(201,242,77,.5);}
.ui-footer-bottom{
  border-top:1px solid rgba(250,249,246,.12);
  padding:24px 0 30px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(250,249,246,.5);letter-spacing:.02em;
}

/* ---------- 动效 ---------- */
.ui-reveal{opacity:0;transform:translateY(16px);transition:opacity .42s var(--ease),transform .42s var(--ease);}
.ui-reveal.is-in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .ui-grid-4{gap:20px;}
  .ui-news-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991.98px){
  .ui-container{padding-left:20px;padding-right:20px;}
  .ui-section{padding:76px 0;}
  .ui-collection{padding:72px 0;}
  .ui-nav-inner{min-height:68px;gap:16px;}
  .ui-header.is-scrolled .ui-nav-inner{min-height:62px;}
  .ui-navbar-collapse{
    border-top:1px solid var(--line);margin-top:14px;padding-bottom:16px;
  }
  .ui-nav-links{flex-direction:column;align-items:stretch;margin:0;gap:0;}
  .ui-nav-links .nav-link{
    padding:15px 2px;font-size:16px;border-bottom:1px solid var(--line);
    min-height:48px;display:flex;align-items:center;
  }
  .ui-nav-links .nav-link::after{display:none;}
  .ui-nav-links .nav-link.is-active{color:var(--ink);}
  .ui-nav-links .nav-link.is-active::before{
    content:"";width:3px;height:18px;background:var(--lime);
    border-radius:2px;margin-right:10px;
  }
  .ui-nav-right{flex-direction:column;align-items:stretch;gap:12px;padding-top:18px;}
  .ui-search{width:100%;}
  .ui-nav-right .ui-btn{width:100%;min-height:46px;}
  .ui-hero{min-height:64vh;}
  .ui-hero-inner{padding-top:130px;padding-bottom:60px;}
  .ui-feature-grid{grid-template-columns:1fr 1fr;}
  .ui-feature-main{grid-column:1 / -1;}
  .ui-grid-4{grid-template-columns:repeat(3,1fr);}
  .ui-stats-grid{grid-template-columns:repeat(2,1fr);gap:32px 24px;padding:48px 0;}
  .ui-footer-grid{grid-template-columns:1fr 1fr;gap:40px 32px;}
  .ui-cta{padding:64px 0;}
  .ui-cta-form{width:100%;}
  .ui-cta-form input{flex:1 1 220px;}
}
@media (max-width:767.98px){
  .ui-sec-head{margin-bottom:32px;}
  .ui-grid-4{grid-template-columns:repeat(2,1fr);gap:18px;}
  .ui-news-grid{grid-template-columns:1fr;}
  .ui-hero-sub{font-size:16px;}
  .ui-faq .accordion-button{font-size:1rem;padding:22px 48px 22px 18px;}
  .ui-faq .accordion-body{padding:0 24px 24px 18px;}
  .ui-rail .ui-poster{flex:0 0 168px;}
  .ui-rail{gap:16px;}
  .ui-rail-wrap::before,.ui-rail-wrap::after{width:28px;}
}
@media (max-width:575.98px){
  .ui-container{padding-left:16px;padding-right:16px;}
  .ui-section{padding:56px 0;}
  .ui-collection{padding:56px 0;}
  .ui-hero{min-height:60vh;}
  .ui-hero-inner{padding-top:110px;padding-bottom:48px;}
  .ui-hero-actions{gap:10px;}
  .ui-hero-actions .ui-btn{flex:1 1 46%;}
  .ui-feature-grid{grid-template-columns:1fr;}
  .ui-feature-body{padding:20px 18px 24px;}
  .ui-rail .ui-poster{flex:0 0 148px;}
  .ui-stats-grid{grid-template-columns:1fr 1fr;gap:26px 16px;}
  .ui-stat{padding-left:14px;}
  .ui-footer-grid{grid-template-columns:1fr;gap:36px;}
  .ui-cta-form input{min-width:0;width:100%;}
  .ui-cta-form .ui-btn{width:100%;}
  .ui-footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
  .ui-reveal{opacity:1;transform:none;}
}

/* roulang page: article */
:root{
  --ui-ink:#0D0E10;
  --ui-bg:#FAF9F6;
  --ui-line:#E7E5E0;
  --ui-lime:#C9F24D;
  --ui-lime-ink:#1B1F0E;
  --ui-muted:#8B8F96;
  --ui-body:#23252A;
  --ui-font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;

  --ui-radius-card:14px;
  --ui-radius-img:12px;
  --ui-radius-pill:999px;
  --ui-radius-badge:6px;

  --ui-shadow-1:0 1px 2px rgba(13,14,16,.05);
  --ui-shadow-2:0 14px 34px rgba(13,14,16,.13);
  --ui-ease:cubic-bezier(.2,.7,.3,1);

  --bs-body-font-family:var(--ui-font);
  --bs-body-bg:var(--ui-bg);
  --bs-body-color:var(--ui-ink);
  --bs-border-color:var(--ui-line);
  --bs-link-color:var(--ui-ink);
  --bs-link-hover-color:var(--ui-ink);
  --bs-primary:#0D0E10;
  --bs-border-radius:14px;
  --bs-focus-ring-color:rgba(201,242,77,.9);
}

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

html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--ui-font);
  font-size:16px;
  line-height:1.8;
  color:var(--ui-body);
  background:var(--ui-bg);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--ui-ink);text-decoration:none;transition:color .18s var(--ui-ease);}
a:hover{color:var(--ui-ink);}
ul,ol{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4{margin:0;color:var(--ui-ink);font-weight:700;}
p{margin:0;}
button{font-family:inherit;}
::selection{background:var(--ui-lime);color:var(--ui-lime-ink);}

.container.ui-container{
  max-width:1320px;
  padding-left:24px;
  padding-right:24px;
}
@media (max-width:575.98px){
  .container.ui-container{padding-left:16px;padding-right:16px;}
}

/* ---------- 顶部进度条 ---------- */
.ui-progress{
  position:fixed;
  top:0;left:0;
  height:3px;width:100%;
  background:var(--ui-lime);
  transform:scaleX(0);
  transform-origin:left center;
  z-index:1100;
  will-change:transform;
}

/* ---------- 导航 ---------- */
.ui-header{
  position:sticky;
  top:0;
  z-index:1040;
  background:var(--ui-bg);
  border-bottom:1px solid var(--ui-line);
  transition:box-shadow .2s var(--ui-ease);
}
.ui-header.is-scrolled{box-shadow:0 6px 20px rgba(13,14,16,.06);}

.ui-navbar{padding:10px 0;}

.ui-logo{
  display:inline-flex;
  align-items:center;
  gap:11px;
  margin-right:auto;
  flex:0 0 auto;
}
.ui-logo-mark{
  width:38px;height:38px;
  display:grid;place-items:center;
  border:1px solid var(--ui-line);
  border-radius:11px;
  background:#fff;
  color:var(--ui-ink);
  transition:border-color .18s var(--ui-ease),background-color .18s var(--ui-ease);
}
.ui-logo:hover .ui-logo-mark{border-color:var(--ui-ink);}
.ui-logo-text{display:flex;flex-direction:column;line-height:1.15;}
.ui-logo-cn{
  font-size:17px;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--ui-ink);
  white-space:nowrap;
}
.ui-logo-sub{
  font-size:10px;
  letter-spacing:.3em;
  text-transform:uppercase;
  color:var(--ui-muted);
  margin-top:2px;
}

.ui-toggler{
  border:1px solid var(--ui-line);
  border-radius:11px;
  padding:9px 11px;
  background:#fff;
}
.ui-toggler:focus{box-shadow:none;outline:2px solid var(--ui-lime);outline-offset:2px;}
.ui-bars{display:block;width:20px;}
.ui-bars i{
  display:block;height:2px;background:var(--ui-ink);border-radius:2px;
}
.ui-bars i + i{margin-top:4px;}

.ui-navbar-collapse{
  flex-grow:1;
  align-items:center;
  justify-content:flex-end;
  gap:26px;
}
.ui-nav-links{
  flex-direction:row;
  align-items:center;
  gap:4px;
}
.ui-nav-links .nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  color:#3C3F45;
  font-size:15px;
  font-weight:500;
  padding:10px 13px;
  border-radius:9px;
  transition:color .18s var(--ui-ease);
}
.ui-nav-links .nav-link::after{
  content:"";
  position:absolute;
  left:13px;right:13px;bottom:5px;
  height:2px;
  background:var(--ui-lime);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .2s var(--ui-ease);
}
.ui-nav-links .nav-link:hover{color:var(--ui-ink);}
.ui-nav-links .nav-link:hover::after{transform:scaleX(1);}
.ui-nav-links .nav-link.is-active{color:var(--ui-ink);font-weight:600;}
.ui-nav-links .nav-link.is-active::after{transform:scaleX(1);}

.ui-nav-right{
  display:flex;
  align-items:center;
  gap:12px;
}
.ui-search{
  display:flex;
  align-items:center;
  width:236px;
  height:42px;
  padding:0 5px 0 16px;
  background:#fff;
  border:1px solid var(--ui-line);
  border-radius:var(--ui-radius-pill);
  transition:border-color .18s var(--ui-ease);
}
.ui-search:focus-within{
  border-color:var(--ui-ink);
  outline:2px solid var(--ui-lime);
  outline-offset:1px;
}
.ui-search input{
  flex:1 1 auto;
  min-width:0;
  border:0;
  background:transparent;
  outline:none;
  font-size:14px;
  color:var(--ui-ink);
}
.ui-search input::placeholder{color:var(--ui-muted);}
.ui-search button{
  flex:0 0 auto;
  width:32px;height:32px;
  display:grid;place-items:center;
  border:0;
  border-radius:var(--ui-radius-pill);
  background:var(--ui-ink);
  color:#FAF9F6;
  cursor:pointer;
  transition:background-color .18s var(--ui-ease),color .18s var(--ui-ease);
}
.ui-search button:hover{background:var(--ui-lime);color:var(--ui-lime-ink);}

/* ---------- 按钮体系 ---------- */
.ui-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 22px;
  border:1px solid transparent;
  border-radius:var(--ui-radius-pill);
  font-size:14px;
  font-weight:600;
  letter-spacing:.01em;
  line-height:1.4;
  cursor:pointer;
  white-space:nowrap;
  transition:background-color .18s var(--ui-ease),color .18s var(--ui-ease),border-color .18s var(--ui-ease),transform .18s var(--ui-ease);
}
.ui-btn:active{transform:translateY(1px);}
.ui-btn:focus-visible{outline:2px solid var(--ui-lime);outline-offset:2px;}
.ui-btn-ink{background:var(--ui-ink);color:#FAF9F6;}
.ui-btn-ink:hover{background:var(--ui-lime);color:var(--ui-lime-ink);}
.ui-btn-lime{background:var(--ui-lime);color:var(--ui-lime-ink);}
.ui-btn-lime:hover{background:var(--ui-ink);color:#FAF9F6;}
.ui-btn-ghost-light{background:transparent;border-color:rgba(250,249,246,.48);color:#FAF9F6;}
.ui-btn-ghost-light:hover{border-color:var(--ui-lime);color:var(--ui-lime);background:transparent;}
.ui-btn-sm{padding:9px 17px;font-size:13px;}
.ui-btn:disabled,.ui-btn.disabled{opacity:.45;pointer-events:none;}

/* ---------- 文章首屏 ---------- */
.ui-article-hero{
  position:relative;
  background:var(--ui-ink);
  padding:58px 0 70px;
  overflow:hidden;
}
.ui-article-hero-bg{
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  opacity:.34;
}
.ui-article-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(13,14,16,.55) 0%,rgba(13,14,16,.92) 100%);
}
.ui-article-hero .ui-container{position:relative;z-index:2;}

.ui-crumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  letter-spacing:.02em;
  color:#B9BCC2;
  margin-bottom:22px;
}
.ui-crumb a{color:#E9E9E6;}
.ui-crumb a:hover{color:var(--ui-lime);}
.ui-crumb span[aria-hidden]{color:#63676E;}

.ui-article-title{
  color:#FAF9F6;
  font-size:clamp(1.85rem,3.4vw,3rem);
  line-height:1.24;
  font-weight:800;
  letter-spacing:-.02em;
  max-width:20em;
}

.ui-meta-row{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:10px 16px;
  margin-top:24px;
  font-size:13px;
  letter-spacing:.02em;
  color:#A9ADB4;
}
.ui-badge-lime{
  display:inline-flex;
  align-items:center;
  padding:4px 11px;
  border-radius:var(--ui-radius-badge);
  background:var(--ui-lime);
  color:var(--ui-lime-ink);
  font-size:12px;
  font-weight:600;
  letter-spacing:.02em;
}
.ui-dot{
  width:3px;height:3px;border-radius:50%;
  background:#63676E;
}

/* ---------- 正文 ---------- */
.ui-article-section{padding:72px 0 24px;}
.ui-article-body{
  max-width:768px;
  margin:0 auto;
  font-size:17px;
  line-height:1.9;
  color:var(--ui-body);
}
.ui-article-body > *:first-child{margin-top:0;}
.ui-article-body p{margin:0 0 1.45em;}
.ui-article-body h2{
  position:relative;
  font-size:1.6rem;
  line-height:1.4;
  font-weight:700;
  letter-spacing:-.01em;
  margin:2.3em 0 .85em;
  padding-left:16px;
}
.ui-article-body h2::before{
  content:"";
  position:absolute;
  left:0;top:.28em;
  width:4px;height:1.05em;
  border-radius:2px;
  background:var(--ui-lime);
}
.ui-article-body h3{
  font-size:1.15rem;
  line-height:1.5;
  font-weight:600;
  margin:1.9em 0 .6em;
}
.ui-article-body h4{
  font-size:1rem;
  font-weight:600;
  margin:1.6em 0 .5em;
}
.ui-article-body a{
  color:var(--ui-ink);
  border-bottom:1px solid var(--ui-lime);
  transition:background-color .18s var(--ui-ease),color .18s var(--ui-ease);
}
.ui-article-body a:hover{background:var(--ui-lime);color:var(--ui-lime-ink);}
.ui-article-body ul,.ui-article-body ol{margin:0 0 1.5em 1.35em;padding:0;}
.ui-article-body ul{list-style:disc;}
.ui-article-body ol{list-style:decimal;}
.ui-article-body li{margin-bottom:.55em;}
.ui-article-body li::marker{color:var(--ui-muted);}
.ui-article-body blockquote{
  margin:1.7em 0;
  padding:2px 0 2px 20px;
  border-left:3px solid var(--ui-lime);
  color:#3A3D42;
  font-size:1.04rem;
}
.ui-article-body blockquote p:last-child{margin-bottom:0;}
.ui-article-body img{
  max-width:100%;
  height:auto;
  margin:1.9em auto;
  border-radius:var(--ui-radius-img);
}
.ui-article-body figure{margin:1.9em 0;}
.ui-article-body figure img{margin:0 auto;}
.ui-article-body figcaption{
  margin-top:10px;
  text-align:center;
  font-size:13px;
  color:var(--ui-muted);
}
.ui-article-body hr{
  border:0;
  border-top:1px solid var(--ui-line);
  margin:2.6em 0;
}
.ui-article-body table{
  width:100%;
  border-collapse:collapse;
  margin:1.8em 0;
  font-size:15px;
}
.ui-article-body th,.ui-article-body td{
  border:1px solid var(--ui-line);
  padding:11px 14px;
  text-align:left;
}
.ui-article-body th{background:#F3F1EC;font-weight:600;}
.ui-article-body code{
  background:#F1EFE9;
  border-radius:6px;
  padding:2px 6px;
  font-size:.92em;
}
.ui-article-body pre{
  background:var(--ui-ink);
  color:#E9E9E6;
  padding:18px 20px;
  border-radius:var(--ui-radius-img);
  overflow-x:auto;
  font-size:14px;
  line-height:1.7;
  margin:1.8em 0;
}
.ui-article-body pre code{background:transparent;color:inherit;padding:0;}

.ui-article-foot{
  max-width:768px;
  margin:40px auto 0;
  padding-top:26px;
  border-top:1px solid var(--ui-line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--ui-muted);
}

/* ---------- 空态 ---------- */
.ui-empty{
  max-width:768px;
  margin:0 auto;
  padding:64px 32px;
  text-align:center;
  background:#fff;
  border:1px solid var(--ui-line);
  border-radius:var(--ui-radius-card);
  box-shadow:var(--ui-shadow-1);
}
.ui-empty-title{
  font-size:1.4rem;
  font-weight:700;
  color:var(--ui-ink);
  margin-bottom:20px;
}

/* ---------- 继续浏览 ---------- */
.ui-section{padding:88px 0;}
.ui-section-line{border-top:1px solid var(--ui-line);}
.ui-section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:34px;
  flex-wrap:wrap;
}
.ui-h2{
  font-size:clamp(1.5rem,2.4vw,2.05rem);
  font-weight:700;
  letter-spacing:-.015em;
  line-height:1.3;
}
.ui-more{
  font-size:14px;
  font-weight:600;
  color:var(--ui-ink);
  border-bottom:1px solid var(--ui-lime);
  padding-bottom:2px;
}
.ui-more:hover{background:var(--ui-lime);color:var(--ui-lime-ink);}

.ui-related-list{display:grid;gap:14px;}
.ui-related-item{
  display:flex;
  align-items:center;
  gap:22px;
  padding:16px;
  background:#fff;
  border:1px solid var(--ui-line);
  border-radius:var(--ui-radius-card);
  box-shadow:var(--ui-shadow-1);
  transition:transform .2s var(--ui-ease),box-shadow .2s var(--ui-ease),border-color .2s var(--ui-ease);
}
.ui-related-item:hover{
  transform:translateY(-4px);
  box-shadow:var(--ui-shadow-2);
  border-color:#D9D6CF;
}
.ui-related-pic{
  flex:0 0 232px;
  overflow:hidden;
  border-radius:var(--ui-radius-img);
  background:#F1EFE9;
}
.ui-related-pic img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  transition:transform .35s var(--ui-ease);
}
.ui-related-item:hover .ui-related-pic img{transform:scale(1.04);}
.ui-related-text{display:flex;flex-direction:column;gap:7px;min-width:0;}
.ui-badge-line{
  display:inline-block;
  width:fit-content;
  padding:3px 10px;
  border:1px solid var(--ui-line);
  border-radius:var(--ui-radius-badge);
  font-size:12px;
  font-weight:600;
  letter-spacing:.02em;
  color:#5C6067;
}
.ui-related-title{
  font-size:1.08rem;
  font-weight:600;
  color:var(--ui-ink);
  line-height:1.5;
}
.ui-related-desc{
  font-size:14px;
  line-height:1.7;
  color:var(--ui-muted);
}

/* ---------- CTA ---------- */
.ui-cta{padding:0 0 96px;}
.ui-cta-inner{
  background:var(--ui-ink);
  border-radius:var(--ui-radius-card);
  padding:52px 48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.ui-cta-title{
  color:#FAF9F6;
  font-size:clamp(1.35rem,2.2vw,1.85rem);
  font-weight:700;
  letter-spacing:-.015em;
  line-height:1.35;
  margin-bottom:10px;
}
.ui-cta-text{
  color:#A9ADB4;
  font-size:15px;
  line-height:1.7;
}
.ui-cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.ui-footer{
  background:var(--ui-ink);
  color:#D9DADD;
  padding:74px 0 0;
}
.ui-footer .ui-logo-mark{
  background:transparent;
  border-color:rgba(250,249,246,.18);
  color:#FAF9F6;
}
.ui-footer .ui-logo-cn{color:#FAF9F6;}
.ui-footer .ui-logo-sub{color:var(--ui-muted);}
.ui-footer-desc{
  margin-top:18px;
  font-size:14px;
  line-height:1.8;
  color:#9DA1A8;
  max-width:30em;
}
.ui-footer-grid{
  display:grid;
  grid-template-columns:1.7fr 1fr 1.1fr 1.4fr;
  gap:44px;
  padding-bottom:56px;
}
.ui-footer-title{
  font-size:13px;
  letter-spacing:.16em;
  color:var(--ui-muted);
  margin-bottom:18px;
}
.ui-footer-links li + li{margin-top:12px;}
.ui-footer-links a{color:#D9DADD;font-size:14px;}
.ui-footer-links a:hover{color:var(--ui-lime);}
.ui-footer-info{
  font-size:14px;
  line-height:1.9;
  color:#9DA1A8;
}
.ui-footer-form{
  display:flex;
  gap:10px;
  margin-top:16px;
}
.ui-footer-form input{
  flex:1 1 auto;
  min-width:0;
  height:44px;
  padding:0 16px;
  background:transparent;
  border:1px solid rgba(250,249,246,.18);
  border-radius:var(--ui-radius-pill);
  color:#FAF9F6;
  font-size:14px;
  outline:none;
  transition:border-color .18s var(--ui-ease);
}
.ui-footer-form input::placeholder{color:#7C8088;}
.ui-footer-form input:focus{border-color:var(--ui-lime);outline:2px solid var(--ui-lime);outline-offset:1px;}
.ui-footer-bottom{
  border-top:1px solid rgba(250,249,246,.12);
  padding:22px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  letter-spacing:.02em;
  color:#8B8F96;
}

/* ---------- 进入视口动效 ---------- */
.ui-reveal{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .42s var(--ui-ease),transform .42s var(--ui-ease);
}
.ui-reveal.is-in{opacity:1;transform:translateY(0);}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .ui-search{width:200px;}
  .ui-footer-grid{grid-template-columns:1.6fr 1fr 1fr;gap:36px;}
}

@media (max-width:991.98px){
  .ui-navbar-collapse{
    flex-direction:column;
    align-items:stretch;
    justify-content:flex-start;
    gap:0;
    margin-top:14px;
    padding-top:14px;
    border-top:1px solid var(--ui-line);
  }
  .ui-nav-links{flex-direction:column;align-items:stretch;gap:2px;}
  .ui-nav-links .nav-link{
    min-height:44px;
    padding:12px 6px;
    font-size:16px;
    border-radius:10px;
  }
  .ui-nav-links .nav-link::after{left:6px;right:6px;bottom:8px;}
  .ui-nav-right{
    flex-direction:column;
    align-items:stretch;
    gap:12px;
    margin-top:14px;
  }
  .ui-search{width:100%;height:46px;}
  .ui-nav-right .ui-btn{width:100%;min-height:46px;}
  .ui-article-hero{padding:44px 0 56px;}
  .ui-section{padding:64px 0;}
  .ui-related-pic{flex:0 0 200px;}
  .ui-cta-inner{padding:42px 32px;}
  .ui-footer-grid{grid-template-columns:1fr 1fr;gap:34px;padding-bottom:44px;}
}

@media (max-width:767.98px){
  .ui-article-section{padding:52px 0 16px;}
  .ui-article-body{font-size:16.5px;}
  .ui-related-item{gap:16px;padding:14px;}
  .ui-related-pic{flex:0 0 148px;}
  .ui-related-title{font-size:1rem;}
  .ui-related-desc{font-size:13px;}
  .ui-cta{padding:0 0 64px;}
  .ui-cta-actions{width:100%;}
  .ui-cta-actions .ui-btn{flex:1 1 auto;}
}

@media (max-width:575.98px){
  .ui-logo-cn{font-size:15px;}
  .ui-logo-mark{width:34px;height:34px;}
  .ui-article-title{font-size:1.6rem;}
  .ui-related-item{flex-direction:column;align-items:stretch;}
  .ui-related-pic{flex:0 0 auto;}
  .ui-footer-grid{grid-template-columns:1fr;gap:30px;}
  .ui-footer-form{flex-wrap:wrap;}
  .ui-footer-form input{flex:1 1 100%;}
  .ui-footer-form .ui-btn{width:100%;}
  .ui-footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .ui-empty{padding:48px 20px;}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:0ms !important;
    transition-duration:0ms !important;
  }
  .ui-reveal{opacity:1;transform:none;}
}

/* roulang page: category1 */
:root{
  --ink:#0D0E10;
  --paper:#FAF9F6;
  --line:#E7E5E0;
  --lime:#C9F24D;
  --lime-ink:#1B1F0E;
  --muted:#8B8F96;
  --white:#FFFFFF;
  --r-card:14px;
  --r-img:12px;
  --r-pill:999px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(13,14,16,.05);
  --sh-2:0 14px 34px rgba(13,14,16,.13);
  --sec:clamp(52px,7vw,110px);
  --ease:cubic-bezier(.2,.7,.3,1);

  --bs-body-bg:var(--paper);
  --bs-body-color:var(--ink);
  --bs-body-font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --bs-link-color:var(--ink);
  --bs-link-hover-color:var(--ink);
  --bs-border-color:var(--line);
  --bs-border-radius:var(--r-card);
  --bs-emphasis-color:var(--ink);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--bs-body-font-family);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--ink);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--ink);}
button,input{font-family:inherit;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;line-height:1.25;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}

.ui-container{
  width:100%;
  max-width:1320px;
  margin-inline:auto;
  padding-inline:24px;
}
@media (max-width:767.98px){
  .ui-container{padding-inline:16px;}
}

/* ---------- 顶部导航 ---------- */
.ui-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:var(--paper);
  border-bottom:1px solid var(--line);
  transition:box-shadow .28s var(--ease);
}
.ui-header.is-scrolled{box-shadow:0 6px 20px rgba(13,14,16,.06);}
.ui-navbar{padding:0;background:transparent;}
.ui-nav-inner{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:74px;
}
.ui-logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.ui-logo-mark{
  width:34px;height:34px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);
  border-radius:10px;
  background:var(--white);
  color:var(--ink);
  flex:0 0 auto;
}
.ui-logo-text{display:flex;flex-direction:column;line-height:1.15;}
.ui-logo-cn{font-size:16px;font-weight:800;letter-spacing:-.01em;}
.ui-logo-sub{
  font-size:10px;color:var(--muted);letter-spacing:.22em;
  text-transform:uppercase;
}
.ui-toggler{
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  padding:8px 12px;
  margin-left:auto;
  background:var(--white);
}
.ui-toggler:focus{box-shadow:none;}
.ui-bars{display:inline-flex;flex-direction:column;gap:4px;}
.ui-bars i{display:block;width:18px;height:1.5px;background:var(--ink);border-radius:2px;}
.ui-nav-links{
  display:flex;
  align-items:center;
  gap:4px;
  flex:1 1 auto;
}
.ui-nav-links .nav-link{
  position:relative;
  padding:10px 14px;
  font-size:15px;
  font-weight:500;
  color:var(--ink);
  border-radius:var(--r-pill);
  white-space:nowrap;
}
.ui-nav-links .nav-link::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:4px;
  height:2px;
  background:var(--lime);
  border-radius:2px;
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .2s var(--ease);
}
.ui-nav-links .nav-link:hover::after{transform:scaleX(1);}
.ui-nav-links .nav-link.is-active{font-weight:700;}
.ui-nav-links .nav-link.is-active::after{transform:scaleX(1);}
.ui-nav-right{
  display:flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
}
.ui-search{
  display:flex;
  align-items:center;
  gap:6px;
  width:238px;
  padding:6px 8px 6px 16px;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.ui-search:focus-within{border-color:var(--ink);box-shadow:0 0 0 2px var(--lime);}
.ui-search input{
  flex:1 1 auto;
  min-width:0;
  border:0;
  background:transparent;
  font-size:14px;
  color:var(--ink);
  outline:none;
}
.ui-search input::placeholder{color:var(--muted);}
.ui-search button{
  width:30px;height:30px;
  display:inline-flex;align-items:center;justify-content:center;
  border:0;border-radius:var(--r-pill);
  background:var(--ink);color:var(--paper);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.ui-search button:hover{background:var(--lime);color:var(--lime-ink);}

/* ---------- 按钮 ---------- */
.ui-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:10px 22px;
  font-size:15px;
  font-weight:600;
  letter-spacing:.01em;
  line-height:1.4;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  cursor:pointer;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease);
}
.ui-btn:active{transform:translateY(1px);}
.ui-btn-ink{background:var(--ink);color:var(--paper);border-color:var(--ink);}
.ui-btn-ink:hover{background:var(--lime);color:var(--lime-ink);border-color:var(--lime);}
.ui-btn-lime{background:var(--lime);color:var(--lime-ink);border-color:var(--lime);}
.ui-btn-lime:hover{background:var(--ink);color:var(--paper);border-color:var(--ink);}
.ui-btn-ghost{background:transparent;color:var(--ink);border-color:var(--line);}
.ui-btn-ghost:hover{border-color:var(--ink);}
.ui-btn-outline-light{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.75);}
.ui-btn-outline-light:hover{border-color:var(--lime);color:var(--lime);}
.ui-btn-sm{padding:8px 16px;font-size:13.5px;}

/* ---------- 面包屑 ---------- */
.ui-crumb{
  padding:18px 0 0;
  font-size:13px;
  letter-spacing:.02em;
  color:var(--muted);
}
.ui-crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.ui-crumb li{display:flex;align-items:center;gap:8px;}
.ui-crumb li+li::before{content:"/";color:var(--line);}
.ui-crumb a{color:var(--muted);}
.ui-crumb a:hover{color:var(--ink);}
.ui-crumb .is-current{color:var(--ink);font-weight:600;}

/* ---------- 页面头图 ---------- */
.ui-hero{
  position:relative;
  margin-top:22px;
  border-radius:var(--r-card);
  overflow:hidden;
  background:linear-gradient(180deg,rgba(13,14,16,0) 35%,rgba(13,14,16,.92) 100%),
             url("/assets/images/backpic/back-2.png") center/cover no-repeat;
  background-color:#0D0E10;
  color:#fff;
  padding:clamp(84px,14vw,168px) clamp(22px,4vw,56px) clamp(32px,4vw,52px);
}
.ui-hero-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  font-size:12.5px;
  letter-spacing:.08em;
  background:var(--lime);
  color:var(--lime-ink);
  border-radius:var(--r-badge);
  font-weight:600;
}
.ui-hero h1{
  margin-top:20px;
  font-size:clamp(2.1rem,4vw,3.4rem);
  font-weight:800;
  letter-spacing:-.02em;
  line-height:1.15;
}
.ui-hero-sub{
  margin-top:16px;
  max-width:640px;
  font-size:clamp(15px,1.4vw,17px);
  line-height:1.8;
  color:rgba(255,255,255,.82);
}
.ui-hero-actions{margin-top:28px;display:flex;flex-wrap:wrap;gap:12px;}
.ui-hero-stats{
  margin-top:36px;
  display:flex;
  flex-wrap:wrap;
  gap:clamp(20px,4vw,56px);
  padding-top:24px;
  border-top:1px solid rgba(255,255,255,.18);
}
.ui-hero-stat b{display:block;font-size:clamp(1.3rem,2.4vw,1.9rem);font-weight:800;letter-spacing:-.01em;}
.ui-hero-stat span{font-size:12.5px;letter-spacing:.06em;color:rgba(255,255,255,.6);}

/* ---------- 通用板块 ---------- */
.ui-section{padding-block:var(--sec);}
.ui-section-line{border-top:1px solid var(--line);}
.ui-sec-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px;
  margin-bottom:clamp(26px,3.4vw,44px);
}
.ui-sec-title{
  font-size:clamp(1.5rem,2.4vw,2.15rem);
  font-weight:700;
  letter-spacing:-.015em;
}
.ui-sec-desc{
  margin-top:12px;
  max-width:640px;
  font-size:15px;
  color:var(--muted);
  line-height:1.8;
}
.ui-more{
  font-size:14px;
  font-weight:600;
  color:var(--ink);
  border-bottom:2px solid var(--lime);
  padding-bottom:2px;
}
.ui-more:hover{color:var(--ink);border-bottom-color:var(--ink);}
.ui-eyebrow{
  font-size:12.5px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--muted);
  margin-bottom:12px;
}

/* ---------- 筛选标签 ---------- */
.ui-filters{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  padding-bottom:26px;
  margin-bottom:clamp(26px,3vw,40px);
  border-bottom:1px solid var(--line);
}
.ui-chip{
  display:inline-flex;
  align-items:center;
  padding:8px 18px;
  font-size:14px;
  font-weight:500;
  color:var(--ink);
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  transition:background .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease);
}
.ui-chip:hover{border-color:var(--ink);}
.ui-chip.is-active{background:var(--lime);color:var(--lime-ink);border-color:var(--lime);font-weight:600;}

/* ---------- 海报网格 ---------- */
.ui-poster-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:clamp(24px,3vw,36px) clamp(16px,2.2vw,28px);
}
.ui-poster-card{display:flex;flex-direction:column;gap:12px;}
.ui-poster-media{
  position:relative;
  display:block;
  overflow:hidden;
  border-radius:var(--r-img);
  background:var(--white);
  border:1px solid var(--line);
  aspect-ratio:2/3;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.ui-poster-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .45s var(--ease);
}
.ui-poster-media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(13,14,16,0) 45%,rgba(13,14,16,.72) 100%);
  opacity:.72;
  transition:opacity .3s var(--ease);
}
.ui-poster-card:hover .ui-poster-media{transform:translateY(-4px);box-shadow:var(--sh-2);}
.ui-poster-card:hover .ui-poster-media img{transform:scale(1.04);}
.ui-poster-card:hover .ui-poster-media::after{opacity:.92;}
.ui-badge{
  position:absolute;
  left:12px;top:12px;
  z-index:2;
  padding:4px 10px;
  font-size:11.5px;
  font-weight:600;
  letter-spacing:.04em;
  background:var(--lime);
  color:var(--lime-ink);
  border-radius:var(--r-badge);
}
.ui-poster-more{
  position:absolute;
  left:14px;bottom:14px;
  z-index:2;
  font-size:13px;
  font-weight:600;
  color:#fff;
  opacity:0;
  transform:translateY(6px);
  transition:opacity .26s var(--ease),transform .26s var(--ease);
}
.ui-poster-card:hover .ui-poster-more{opacity:1;transform:translateY(0);}
.ui-poster-title{font-size:1.05rem;font-weight:600;}
.ui-poster-title a:hover{border-bottom:2px solid var(--lime);}
.ui-poster-meta{font-size:13px;letter-spacing:.02em;color:var(--muted);line-height:1.6;}

/* ---------- 选片流程 ---------- */
.ui-flow{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:clamp(20px,2.6vw,32px);
}
.ui-flow-item{
  padding:clamp(24px,3vw,34px);
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  transition:box-shadow .3s var(--ease),transform .3s var(--ease);
}
.ui-flow-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.ui-flow-num{
  width:44px;height:44px;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:15px;
  font-weight:700;
  color:var(--ink);
  border:1.5px solid var(--lime);
  border-radius:var(--r-pill);
  margin-bottom:18px;
}
.ui-flow-item h3{font-size:1.08rem;font-weight:600;margin-bottom:10px;}
.ui-flow-item p{font-size:14.5px;color:var(--muted);line-height:1.8;}

/* ---------- 观看情境标签 ---------- */
.ui-scene-wrap{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:8px;
}
.ui-scene{
  display:flex;
  align-items:center;
  gap:10px;
  padding:14px 20px;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  font-size:14.5px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.ui-scene:hover{border-color:var(--ink);box-shadow:var(--sh-1);}
.ui-scene b{font-weight:600;}
.ui-scene span{color:var(--muted);font-size:13px;}
.ui-dot{width:8px;height:8px;border-radius:var(--r-pill);background:var(--lime);flex:0 0 auto;}

/* ---------- 说明段 ---------- */
.ui-note{
  padding:clamp(26px,3.4vw,44px);
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
}
.ui-note h2{font-size:clamp(1.25rem,1.9vw,1.6rem);font-weight:700;margin-bottom:16px;}
.ui-note p{font-size:15.5px;color:#3B3E44;line-height:1.9;}
.ui-note p+p{margin-top:14px;}
.ui-note-foot{
  margin-top:24px;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}

/* ---------- FAQ ---------- */
.ui-faq .accordion-item{
  background:transparent;
  border:0;
  border-bottom:1px solid var(--line);
}
.ui-faq .accordion-item:first-of-type{border-top:1px solid var(--line);}
.ui-faq .accordion-button{
  display:flex;
  align-items:center;
  gap:12px;
  padding:22px 4px;
  background:transparent;
  color:var(--ink);
  font-size:16.5px;
  font-weight:600;
  box-shadow:none;
}
.ui-faq .accordion-button:not(.collapsed){color:var(--ink);background:transparent;box-shadow:none;}
.ui-faq .accordion-button:not(.collapsed)::before{
  content:"";
  width:4px;height:18px;
  border-radius:2px;
  background:var(--lime);
  flex:0 0 auto;
}
.ui-faq .accordion-button::after{
  content:"+";
  background-image:none !important;
  width:auto;height:auto;
  margin-left:auto;
  font-size:22px;
  font-weight:400;
  line-height:1;
  color:var(--muted);
  transform:none;
  transition:transform .26s var(--ease),color .26s var(--ease);
}
.ui-faq .accordion-button:not(.collapsed)::after{content:"−";color:var(--ink);}
.ui-faq .accordion-button:focus{box-shadow:none;}
.ui-faq .accordion-body{
  padding:0 4px 26px;
  font-size:15px;
  line-height:1.9;
  color:#3B3E44;
  max-width:820px;
}
.ui-faq .accordion-collapse{transition:height .26s var(--ease);}

/* ---------- CTA 带 ---------- */
.ui-cta{
  background:var(--ink);
  color:var(--paper);
  border-radius:var(--r-card);
  padding:clamp(34px,5vw,64px);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:26px;
}
.ui-cta h2{
  font-size:clamp(1.4rem,2.4vw,2.1rem);
  font-weight:800;
  color:#fff;
  letter-spacing:-.015em;
  max-width:640px;
}
.ui-cta p{margin-top:12px;font-size:14.5px;color:rgba(250,249,246,.72);}
.ui-cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- 页脚 ---------- */
.ui-footer{
  margin-top:var(--sec);
  background:var(--ink);
  color:var(--paper);
  padding-top:clamp(48px,6vw,84px);
}
.ui-footer .ui-logo-mark{background:transparent;border-color:rgba(250,249,246,.22);color:var(--paper);}
.ui-footer .ui-logo-cn{color:#fff;}
.ui-footer .ui-logo-sub{color:rgba(250,249,246,.5);}
.ui-footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1.2fr 1.3fr;
  gap:clamp(24px,3.4vw,48px);
  padding-bottom:clamp(34px,4vw,56px);
}
.ui-footer-desc{
  margin-top:18px;
  font-size:14px;
  line-height:1.85;
  color:rgba(250,249,246,.66);
  max-width:300px;
}
.ui-footer-title{
  font-size:13px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:rgba(250,249,246,.55);
  margin-bottom:16px;
}
.ui-footer-links li+li{margin-top:10px;}
.ui-footer-links a{
  font-size:14.5px;
  color:rgba(250,249,246,.86);
  border-bottom:1px solid transparent;
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.ui-footer-links a:hover{color:var(--lime);border-bottom-color:var(--lime);}
.ui-footer-info{
  font-size:14px;
  line-height:1.9;
  color:rgba(250,249,246,.66);
}
.ui-footer-info li+li{margin-top:8px;}
.ui-footer-form{
  display:flex;
  gap:10px;
  margin-top:16px;
  flex-wrap:wrap;
}
.ui-footer-form input{
  flex:1 1 150px;
  min-width:0;
  padding:10px 16px;
  font-size:14px;
  color:#fff;
  background:rgba(250,249,246,.06);
  border:1px solid rgba(250,249,246,.2);
  border-radius:var(--r-pill);
  outline:none;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.ui-footer-form input::placeholder{color:rgba(250,249,246,.4);}
.ui-footer-form input:focus{border-color:var(--lime);box-shadow:0 0 0 2px rgba(201,242,77,.35);}
.ui-footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:24px 0 32px;
  border-top:1px solid rgba(250,249,246,.14);
  font-size:13px;
  color:rgba(250,249,246,.5);
  letter-spacing:.02em;
}

/* ---------- 动效 ---------- */
.ui-reveal{opacity:0;transform:translateY(16px);transition:opacity .42s var(--ease),transform .42s var(--ease);}
.ui-reveal.is-in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .ui-footer-grid{grid-template-columns:1.3fr 1fr 1.2fr;}
}
@media (max-width:991.98px){
  .ui-nav-inner{flex-wrap:wrap;min-height:66px;}
  .ui-navbar-collapse{padding-block:14px 20px;}
  .ui-nav-links{flex-direction:column;align-items:stretch;gap:0;}
  .ui-nav-links .nav-link{
    padding:13px 6px;
    font-size:16px;
    border-radius:0;
    border-bottom:1px solid var(--line);
    min-height:44px;
    display:flex;
    align-items:center;
  }
  .ui-nav-links .nav-link::after{display:none;}
  .ui-nav-links .nav-link.is-active{padding-left:14px;box-shadow:inset 3px 0 0 var(--lime);}
  .ui-nav-right{flex-direction:column;align-items:stretch;gap:12px;margin-top:16px;}
  .ui-search{width:100%;}
  .ui-nav-right .ui-btn{width:100%;}
  .ui-poster-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .ui-flow{grid-template-columns:1fr;}
  .ui-footer-grid{grid-template-columns:1fr 1fr;}
  .ui-hero{margin-top:16px;}
}
@media (max-width:575.98px){
  .ui-poster-grid{gap:18px 12px;}
  .ui-poster-title{font-size:.98rem;}
  .ui-poster-meta{font-size:12.5px;}
  .ui-hero-actions .ui-btn{width:100%;}
  .ui-hero-stats{gap:20px 32px;}
  .ui-footer-grid{grid-template-columns:1fr;}
  .ui-cta-actions .ui-btn{width:100%;}
  .ui-faq .accordion-button{font-size:15.5px;padding:18px 2px;}
}
@media (min-width:1440px){
  .ui-container{padding-inline:32px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .ui-reveal{opacity:1;transform:none;}
}

/* roulang page: category2 */
:root{
  --ink:#0D0E10;
  --paper:#FAF9F6;
  --line:#E7E5E0;
  --lime:#C9F24D;
  --lime-ink:#1B1F0E;
  --muted:#8B8F96;
  --soft:#52565C;
  --surface:#F2F0EA;
  --radius-card:14px;
  --radius-img:12px;
  --radius-pill:999px;
  --radius-badge:6px;
  --shadow-1:0 1px 2px rgba(13,14,16,.05);
  --shadow-2:0 14px 34px rgba(13,14,16,.13);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;

  --bs-body-bg:var(--paper);
  --bs-body-color:var(--ink);
  --bs-body-font-family:var(--font-cn);
  --bs-body-font-size:16px;
  --bs-body-line-height:1.8;
  --bs-border-color:var(--line);
  --bs-border-radius:var(--radius-card);
  --bs-link-color:var(--ink);
  --bs-link-hover-color:var(--ink);
  --bs-primary:#0D0E10;
  --bs-primary-rgb:13,14,16;
  --bs-secondary:#8B8F96;
  --bs-emphasis-color:#0D0E10;
  --bs-font-sans-serif:var(--font-cn);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--ink);text-decoration:none;transition:color .18s var(--ease);}
a:hover{color:var(--ink);}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0 0 1em;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.02em;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px;}

.ui-container{
  width:100%;
  max-width:1320px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
.ui-section{padding:96px 0;}
.ui-section-sm{padding:64px 0;}
.ui-eyebrow{
  font-size:12px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--muted);
  margin:0 0 12px;
}
.ui-h2{
  font-size:clamp(1.75rem,2.4vw,2.25rem);
  line-height:1.25;
  font-weight:700;
  margin:0 0 14px;
}
.ui-h3{font-size:1.08rem;font-weight:600;line-height:1.5;letter-spacing:-.01em;}
.ui-lead{color:var(--soft);font-size:16.5px;line-height:1.85;max-width:760px;}
.ui-meta{font-size:13px;letter-spacing:.02em;color:var(--muted);line-height:1.5;}
.ui-divider{height:1px;background:var(--line);border:0;margin:0;}

/* ---------- 按钮 ---------- */
.ui-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:9px 20px;
  border-radius:var(--radius-pill);
  border:1px solid transparent;
  font-size:14px;
  font-weight:600;
  letter-spacing:.01em;
  line-height:1.4;
  cursor:pointer;
  transition:background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
}
.ui-btn:active{transform:translateY(1px);}
.ui-btn:disabled{opacity:.45;cursor:not-allowed;}
.ui-btn-ink{background:var(--ink);color:var(--paper);border-color:var(--ink);}
.ui-btn-ink:hover{background:var(--lime);color:var(--lime-ink);border-color:var(--lime);}
.ui-btn-lime{background:var(--lime);color:var(--lime-ink);border-color:var(--lime);}
.ui-btn-lime:hover{background:var(--ink);color:var(--paper);border-color:var(--ink);}
.ui-btn-ghost{background:transparent;color:var(--ink);border-color:var(--line);}
.ui-btn-ghost:hover{border-color:var(--ink);}
.ui-btn-light{background:transparent;color:var(--paper);border:1.5px solid rgba(250,249,246,.7);}
.ui-btn-light:hover{border-color:var(--lime);color:var(--lime);}
.ui-btn-sm{padding:7px 16px;font-size:13px;}

/* ---------- 徽章 / 标签 ---------- */
.ui-badge{
  display:inline-flex;
  align-items:center;
  padding:3px 10px;
  border-radius:var(--radius-badge);
  font-size:12px;
  font-weight:600;
  letter-spacing:.02em;
  background:var(--lime);
  color:var(--lime-ink);
}
.ui-badge-line{
  background:transparent;
  border:1px solid var(--line);
  color:var(--muted);
  font-weight:500;
}

/* ---------- 导航 ---------- */
.ui-header{
  position:sticky;
  top:0;
  z-index:1040;
  background:var(--paper);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease);
}
.ui-header.is-scrolled{box-shadow:0 6px 20px rgba(13,14,16,.06);}
.ui-navbar{padding:0;background:transparent;}
.ui-nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  min-height:76px;
}
.ui-header.is-scrolled .ui-nav-inner{min-height:68px;}
.ui-logo{display:inline-flex;align-items:center;gap:11px;}
.ui-logo-mark{
  width:36px;height:36px;
  display:grid;place-items:center;
  border-radius:10px;
  background:var(--ink);
  color:var(--lime);
  flex:none;
}
.ui-logo-text{display:flex;flex-direction:column;line-height:1.15;}
.ui-logo-cn{font-size:16px;font-weight:800;letter-spacing:-.01em;color:currentColor;}
.ui-logo-sub{font-size:10px;letter-spacing:.24em;text-transform:uppercase;color:var(--muted);font-weight:500;}
.ui-toggler{
  border:1px solid var(--line);
  border-radius:10px;
  padding:9px 11px;
  background:transparent;
  box-shadow:none!important;
}
.ui-bars{display:block;width:18px;}
.ui-bars i{display:block;height:1.6px;background:var(--ink);border-radius:2px;margin:4px 0;}
.ui-nav-links{display:flex;align-items:center;gap:4px;}
.ui-nav-links .nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  padding:9px 14px;
  font-size:15px;
  font-weight:500;
  color:var(--ink);
  border-radius:8px;
}
.ui-nav-links .nav-link::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:3px;
  height:2px;
  background:var(--lime);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .2s var(--ease);
}
.ui-nav-links .nav-link:hover::after{transform:scaleX(1);}
.ui-nav-links .nav-link.is-active{font-weight:600;}
.ui-nav-links .nav-link.is-active::after{transform:scaleX(1);}
.ui-nav-right{display:flex;align-items:center;gap:12px;}
.ui-search{
  display:flex;
  align-items:center;
  gap:6px;
  height:42px;
  width:240px;
  padding:0 5px 0 16px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.ui-search:focus-within{border-color:var(--ink);box-shadow:0 0 0 2px rgba(201,242,77,.85);}
.ui-search input{
  flex:1;
  min-width:0;
  border:0;
  background:transparent;
  font-size:14px;
  color:var(--ink);
  outline:none;
}
.ui-search input::placeholder{color:var(--muted);}
.ui-search button{
  width:32px;height:32px;
  flex:none;
  display:grid;place-items:center;
  border:0;border-radius:var(--radius-pill);
  background:var(--ink);
  color:var(--paper);
  cursor:pointer;
  transition:background-color .18s var(--ease),color .18s var(--ease);
}
.ui-search button:hover{background:var(--lime);color:var(--lime-ink);}

/* ---------- Hero ---------- */
.ui-hero{
  position:relative;
  min-height:58vh;
  display:flex;
  align-items:flex-end;
  background:#0D0E10;
  overflow:hidden;
}
.ui-hero-bg{
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center 40%;
}
.ui-hero-shade{
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(13,14,16,0) 35%,rgba(13,14,16,.92) 100%);
}
.ui-hero-inner{position:relative;z-index:2;padding:132px 0 62px;color:var(--paper);max-width:880px;}
.ui-crumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13px;letter-spacing:.02em;color:rgba(250,249,246,.68);margin-bottom:18px;}
.ui-crumb a{color:rgba(250,249,246,.68);}
.ui-crumb a:hover{color:var(--lime);}
.ui-crumb span.sep{opacity:.5;}
.ui-hero h1{
  font-size:clamp(2.1rem,4vw,3.6rem);
  line-height:1.15;
  font-weight:800;
  letter-spacing:-.02em;
  color:var(--paper);
  margin-bottom:16px;
}
.ui-hero-sub{font-size:17px;line-height:1.85;color:rgba(250,249,246,.82);max-width:620px;margin-bottom:28px;}
.ui-hero-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- 数据条 ---------- */
.ui-stats{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background:var(--paper);
  box-shadow:var(--shadow-1);
  overflow:hidden;
}
.ui-stat{padding:26px 24px;border-right:1px solid var(--line);}
.ui-stat:last-child{border-right:0;}
.ui-stat-num{font-size:30px;font-weight:800;letter-spacing:-.02em;line-height:1.2;}
.ui-stat-num em{font-style:normal;font-size:14px;font-weight:600;color:var(--muted);margin-left:4px;}
.ui-stat-label{font-size:13px;color:var(--muted);letter-spacing:.02em;margin-top:4px;}

/* ---------- 双栏 ---------- */
.ui-split{
  display:grid;
  grid-template-columns:250px minmax(0,1fr);
  gap:56px;
  align-items:start;
}
.ui-toc{
  position:sticky;
  top:104px;
  border-right:1px solid var(--line);
  padding-right:26px;
}
.ui-toc-title{
  font-size:12px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--muted);
  margin:0 0 14px;
}
.ui-toc-list li + li{margin-top:2px;}
.ui-toc-list a{
  display:block;
  padding:9px 0 9px 14px;
  font-size:14px;
  color:var(--muted);
  border-left:2px solid transparent;
  transition:color .18s var(--ease),border-color .18s var(--ease);
}
.ui-toc-list a:hover{color:var(--ink);border-left-color:var(--lime);}
.ui-toc-note{
  margin-top:22px;
  padding:16px;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  font-size:13px;
  line-height:1.75;
  color:var(--muted);
  background:var(--surface);
}

/* ---------- 片单条目 ---------- */
.ui-pick{
  display:grid;
  grid-template-columns:minmax(0,330px) minmax(0,1fr);
  gap:34px;
  align-items:center;
  padding:38px 20px;
  margin:0 -20px;
  border-top:1px solid var(--line);
  border-radius:var(--radius-card);
  transition:background-color .2s var(--ease);
}
.ui-pick:first-of-type{border-top:0;padding-top:6px;}
.ui-pick:hover{background:#F4F2ED;}
.ui-pick-media{
  aspect-ratio:16 / 9;
  border-radius:var(--radius-img);
  overflow:hidden;
  background:var(--surface);
}
.ui-pick-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .5s var(--ease);
}
.ui-pick:hover .ui-pick-media img{transform:scale(1.04);}
.ui-pick-body{max-width:620px;}
.ui-pick-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px;}
.ui-pick-title{
  font-size:clamp(1.25rem,1.9vw,1.6rem);
  font-weight:700;
  letter-spacing:-.02em;
  line-height:1.35;
  margin:0 0 10px;
}
.ui-pick-desc{color:var(--soft);font-size:15.5px;line-height:1.85;margin:0 0 14px;}
.ui-pick-meta{display:flex;flex-wrap:wrap;gap:18px;font-size:13px;color:var(--muted);letter-spacing:.02em;}
.ui-pick-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;margin-top:14px;}
.ui-pick-link:hover{color:var(--lime-ink);}
.ui-pick-link i{font-size:12px;}

/* ---------- 卡片 ---------- */
.ui-grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.ui-card{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:30px 28px;
  box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
  height:100%;
}
.ui-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.ui-card-icon{
  width:42px;height:42px;
  display:grid;place-items:center;
  border-radius:12px;
  background:var(--lime);
  color:var(--lime-ink);
  font-size:16px;
  margin-bottom:18px;
}
.ui-card h3{margin-bottom:10px;}
.ui-card p{color:var(--soft);font-size:15px;line-height:1.85;margin:0;}

/* ---------- 流程 ---------- */
.ui-steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;}
.ui-step{border-top:2px solid var(--line);padding-top:22px;transition:border-color .22s var(--ease);}
.ui-step:hover{border-top-color:var(--lime);}
.ui-step-num{
  font-size:34px;
  font-weight:300;
  letter-spacing:-.02em;
  line-height:1;
  color:transparent;
  -webkit-text-stroke:1.2px var(--ink);
  margin-bottom:14px;
}
.ui-step h3{margin-bottom:8px;}
.ui-step p{color:var(--soft);font-size:14.5px;line-height:1.8;margin:0;}

/* ---------- FAQ ---------- */
.ui-faq .accordion-item{
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background:var(--paper);
  margin-bottom:12px;
  overflow:hidden;
}
.ui-faq .accordion-button{
  background:var(--paper);
  color:var(--ink);
  font-size:16px;
  font-weight:600;
  padding:20px 22px;
  box-shadow:none!important;
  gap:12px;
}
.ui-faq .accordion-button::before{
  content:"";
  width:3px;
  height:18px;
  flex:none;
  border-radius:2px;
  background:var(--line);
  transition:background-color .2s var(--ease);
}
.ui-faq .accordion-button:not(.collapsed){color:var(--ink);}
.ui-faq .accordion-button:not(.collapsed)::before{background:var(--lime);}
.ui-faq .accordion-button::after{
  background-image:none!important;
  content:"+";
  font-size:22px;
  font-weight:300;
  line-height:1;
  width:auto;height:auto;
  margin-left:auto;
  transform:none;
  color:var(--muted);
  transition:transform .26s var(--ease),color .2s var(--ease);
}
.ui-faq .accordion-button:not(.collapsed)::after{content:"−";color:var(--ink);}
.ui-faq .accordion-button:focus-visible{outline:2px solid var(--lime);outline-offset:-3px;}
.ui-faq .accordion-body{
  padding:2px 22px 22px 37px;
  color:var(--soft);
  font-size:15px;
  line-height:1.9;
}

/* ---------- CTA ---------- */
.ui-cta{background:var(--ink);color:var(--paper);padding:80px 0;}
.ui-cta-inner{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,420px);
  gap:48px;
  align-items:center;
}
.ui-cta h2{color:var(--paper);font-size:clamp(1.5rem,2.4vw,2.1rem);line-height:1.3;margin-bottom:12px;}
.ui-cta p{color:rgba(250,249,246,.72);font-size:15.5px;line-height:1.85;margin:0;}
.ui-cta-form{display:flex;gap:10px;}
.ui-cta-form input{
  flex:1;
  min-width:0;
  height:48px;
  padding:0 20px;
  border-radius:var(--radius-pill);
  border:1px solid rgba(250,249,246,.28);
  background:rgba(250,249,246,.06);
  color:var(--paper);
  font-size:14px;
  outline:none;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.ui-cta-form input::placeholder{color:rgba(250,249,246,.5);}
.ui-cta-form input:focus{border-color:var(--lime);box-shadow:0 0 0 2px rgba(201,242,77,.55);}
.ui-cta-note{margin-top:12px;font-size:13px;color:rgba(250,249,246,.5);}

/* ---------- 页脚 ---------- */
.ui-footer{background:var(--ink);color:rgba(250,249,246,.78);padding-top:76px;}
.ui-footer .ui-logo{color:var(--paper);}
.ui-footer .ui-logo-mark{background:var(--lime);color:var(--ink);}
.ui-footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.3fr;
  gap:44px;
  padding-bottom:56px;
}
.ui-footer-desc{margin-top:18px;font-size:14px;line-height:1.85;color:rgba(250,249,246,.62);max-width:280px;}
.ui-footer-title{
  font-size:13px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:rgba(250,249,246,.5);
  margin:0 0 16px;
}
.ui-footer-links li + li{margin-top:10px;}
.ui-footer-links a{font-size:14px;color:rgba(250,249,246,.78);}
.ui-footer-links a:hover{color:var(--lime);}
.ui-footer-info{font-size:14px;line-height:1.9;color:rgba(250,249,246,.62);}
.ui-footer-info li + li{margin-top:8px;}
.ui-footer-form{display:flex;gap:8px;margin-top:14px;}
.ui-footer-form input{
  flex:1;
  min-width:0;
  height:44px;
  padding:0 18px;
  border-radius:var(--radius-pill);
  border:1px solid rgba(250,249,246,.24);
  background:rgba(250,249,246,.06);
  color:var(--paper);
  font-size:14px;
  outline:none;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.ui-footer-form input::placeholder{color:rgba(250,249,246,.45);}
.ui-footer-form input:focus{border-color:var(--lime);box-shadow:0 0 0 2px rgba(201,242,77,.5);}
.ui-footer-bottom{
  border-top:1px solid rgba(250,249,246,.12);
  padding:22px 0;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:space-between;
  font-size:13px;
  letter-spacing:.02em;
  color:rgba(250,249,246,.5);
}
.ui-footer-bottom p{margin:0;}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .42s var(--ease),transform .42s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .ui-split{grid-template-columns:220px minmax(0,1fr);gap:40px;}
  .ui-pick{grid-template-columns:minmax(0,280px) minmax(0,1fr);gap:28px;}
}
@media (max-width:991.98px){
  .ui-section{padding:72px 0;}
  .ui-hero-inner{padding:104px 0 52px;}
  .ui-split{grid-template-columns:1fr;gap:30px;}
  .ui-toc{position:static;border-right:0;border-bottom:1px solid var(--line);padding:0 0 20px;}
  .ui-toc-list{display:flex;flex-wrap:wrap;gap:8px;}
  .ui-toc-list a{
    display:inline-flex;
    align-items:center;
    padding:8px 14px;
    border:1px solid var(--line);
    border-radius:var(--radius-pill);
    border-left:1px solid var(--line);
    color:var(--ink);
    font-size:13px;
  }
  .ui-toc-list a:hover{border-color:var(--ink);border-left-color:var(--ink);}
  .ui-toc-note{margin-top:18px;}
  .ui-navbar-collapse{
    background:var(--paper);
    border-top:1px solid var(--line);
    margin-top:14px;
    padding:16px 0 20px;
  }
  .ui-nav-links{flex-direction:column;align-items:stretch;gap:2px;}
  .ui-nav-links .nav-link{padding:12px 6px;min-height:44px;}
  .ui-nav-links .nav-link::after{left:6px;right:auto;width:28px;}
  .ui-nav-right{flex-direction:column;align-items:stretch;gap:12px;margin-top:16px;}
  .ui-search{width:100%;height:46px;}
  .ui-nav-right .ui-btn{width:100%;min-height:44px;}
  .ui-stats{grid-template-columns:repeat(2,minmax(0,1fr));}
  .ui-stat:nth-child(2){border-right:0;}
  .ui-stat:nth-child(1),
  .ui-stat:nth-child(2){border-bottom:1px solid var(--line);}
  .ui-grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .ui-steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .ui-cta-inner{grid-template-columns:1fr;gap:28px;}
  .ui-footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:36px;}
}
@media (max-width:767.98px){
  .ui-container{padding-left:16px;padding-right:16px;}
  .ui-section{padding:56px 0;}
  .ui-hero{min-height:52vh;}
  .ui-hero-inner{padding:92px 0 44px;}
  .ui-hero-sub{font-size:16px;margin-bottom:22px;}
  .ui-pick{grid-template-columns:1fr;gap:18px;padding:28px 14px;margin:0 -14px;}
  .ui-pick:first-of-type{padding-top:4px;}
  .ui-grid-3{grid-template-columns:1fr;}
  .ui-steps{grid-template-columns:1fr;gap:20px;}
  .ui-stat{padding:20px 18px;}
  .ui-stat-num{font-size:26px;}
  .ui-cta{padding:56px 0;}
  .ui-cta-form{flex-direction:column;}
  .ui-cta-form .ui-btn{width:100%;min-height:46px;}
  .ui-footer{padding-top:56px;}
  .ui-footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:40px;}
  .ui-footer-bottom{flex-direction:column;}
  .ui-footer-form{flex-direction:column;}
  .ui-footer-form .ui-btn{width:100%;min-height:44px;}
}
@media (max-width:520px){
  .ui-hero h1{font-size:1.85rem;}
  .ui-stats{grid-template-columns:1fr;}
  .ui-stat{border-right:0;border-bottom:1px solid var(--line);}
  .ui-stat:last-child{border-bottom:0;}
  .ui-card{padding:24px 20px;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{transition-duration:0ms!important;animation-duration:0ms!important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category3 */
:root{
  --ink:#0D0E10;
  --paper:#FAF9F6;
  --line:#E7E5E0;
  --lime:#C9F24D;
  --lime-ink:#1B1F0E;
  --muted:#8B8F96;
  --card:#FFFFFF;
  --r-card:14px;
  --r-img:12px;
  --r-pill:999px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(13,14,16,.05);
  --sh-2:0 14px 34px rgba(13,14,16,.13);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;

  --bs-body-font-family:var(--font-cn);
  --bs-body-color:var(--ink);
  --bs-body-bg:var(--paper);
  --bs-border-color:var(--line);
  --bs-link-color:var(--ink);
  --bs-link-hover-color:var(--ink);
  --bs-primary:var(--ink);
  --bs-primary-rgb:13,14,16;
  --bs-border-radius:var(--r-card);
  --bs-border-radius-lg:var(--r-card);
  --bs-border-radius-pill:var(--r-pill);
  --bs-emphasis-color:var(--ink);
}

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

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

body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  overflow-x:hidden;
}

img{max-width:100%;height:auto;display:block;}
a{color:var(--ink);text-decoration:none;transition:color .18s var(--ease);}
a:hover{color:var(--ink);}
button{font-family:inherit;}
ul,ol{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4,p{margin:0;}
input,button,select,textarea{font-family:inherit;font-size:inherit;}

:focus{outline:none;}
a:focus-visible,button:focus-visible,input:focus-visible,[tabindex]:focus-visible{
  outline:2px solid var(--lime);
  outline-offset:2px;
  border-radius:4px;
}

.ui-container{max-width:1320px;margin:0 auto;padding:0 24px;width:100%;}

/* ================= 顶部导航 ================= */
.ui-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:var(--paper);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease);
}
.ui-header.is-scrolled{box-shadow:0 6px 20px rgba(13,14,16,.06);}

.ui-navbar{padding:0;background:transparent;}
.ui-nav-inner{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:74px;
  padding-top:8px;
  padding-bottom:8px;
}
.ui-header.is-scrolled .ui-nav-inner{min-height:66px;}

.ui-logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.ui-logo-mark{
  width:36px;height:36px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1.5px solid var(--ink);
  border-radius:10px;
  color:var(--ink);
  background:transparent;
  flex:0 0 auto;
}
.ui-logo-text{display:flex;flex-direction:column;line-height:1.15;}
.ui-logo-cn{font-size:1.02rem;font-weight:800;letter-spacing:-.01em;color:var(--ink);white-space:nowrap;}
.ui-logo-sub{font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);}

.ui-navbar-collapse{display:flex;align-items:center;justify-content:space-between;gap:20px;flex:1 1 auto;}
.ui-nav-links{display:flex;align-items:center;gap:4px;margin:0;flex-direction:row;}
.ui-nav-links li{list-style:none;}
.ui-nav-links .nav-link{
  position:relative;
  display:inline-flex;align-items:center;
  min-height:44px;
  padding:0 14px;
  font-size:.95rem;
  font-weight:500;
  color:var(--ink);
  border-radius:var(--r-pill);
  background:transparent;
  transition:color .18s var(--ease);
}
.ui-nav-links .nav-link::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:8px;
  height:2px;
  background:var(--lime);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .2s var(--ease);
}
.ui-nav-links .nav-link:hover{color:var(--ink);}
.ui-nav-links .nav-link:hover::after{transform:scaleX(1);}
.ui-nav-links .nav-link.is-active{font-weight:600;}
.ui-nav-links .nav-link.is-active::after{transform:scaleX(1);}

.ui-nav-right{display:flex;align-items:center;gap:12px;}

.ui-search{
  display:flex;align-items:center;gap:6px;
  width:236px;
  height:44px;
  padding:0 6px 0 16px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:#fff;
  transition:border-color .18s var(--ease);
}
.ui-search:focus-within{border-color:var(--ink);}
.ui-search input{
  flex:1 1 auto;min-width:0;
  border:0;background:transparent;
  font-size:.9rem;color:var(--ink);
  outline:none;
}
.ui-search input::placeholder{color:var(--muted);}
.ui-search button{
  flex:0 0 auto;
  width:34px;height:34px;
  border:0;border-radius:50%;
  background:var(--lime);
  color:var(--lime-ink);
  display:inline-flex;align-items:center;justify-content:center;
  transition:background .18s var(--ease);
}
.ui-search button:hover{background:var(--ink);color:var(--paper);}

.ui-btn{
  display:inline-flex;align-items:center;justify-content:center;
  gap:8px;
  min-height:44px;
  padding:8px 20px;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  font-size:.93rem;
  font-weight:600;
  letter-spacing:.01em;
  cursor:pointer;
  transition:transform .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.ui-btn:active{transform:translateY(1px);}
.ui-btn:disabled{opacity:.45;cursor:not-allowed;}

.ui-btn-ink{background:var(--ink);color:var(--paper);border-color:var(--ink);}
.ui-btn-ink:hover{background:var(--lime);color:var(--lime-ink);border-color:var(--lime);}

.ui-btn-lime{background:var(--lime);color:var(--lime-ink);border-color:var(--lime);}
.ui-btn-lime:hover{background:var(--ink);color:var(--paper);border-color:var(--ink);}

.ui-btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink);}
.ui-btn-ghost:hover{background:var(--ink);color:var(--paper);}

.ui-btn-light{background:transparent;color:#FAF9F6;border:1.5px solid rgba(250,249,246,.75);}
.ui-btn-light:hover{border-color:var(--lime);color:var(--lime);}

.ui-btn-sm{min-height:38px;padding:6px 16px;font-size:.86rem;}

.ui-toggler{
  margin-left:auto;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  padding:10px 14px;
  background:#fff;
  box-shadow:none;
}
.ui-toggler:focus{box-shadow:none;}
.ui-bars{display:inline-flex;flex-direction:column;gap:4px;}
.ui-bars i{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;}

/* ================= 英雄区 ================= */
.ui-hero{
  position:relative;
  min-height:60vh;
  display:flex;
  align-items:flex-end;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  overflow:hidden;
  isolation:isolate;
}
.ui-hero::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(13,14,16,0) 35%, rgba(13,14,16,.92) 100%);
  z-index:1;
}
.ui-hero-inner{
  position:relative;
  z-index:2;
  padding:96px 0 56px;
  width:100%;
  color:#FAF9F6;
}
.ui-crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.02em;
  color:rgba(250,249,246,.72);
  margin-bottom:18px;
}
.ui-crumbs a{color:rgba(250,249,246,.72);}
.ui-crumbs a:hover{color:var(--lime);}
.ui-crumbs span.sep{opacity:.55;}
.ui-crumbs span.now{color:#FAF9F6;}

.ui-hero h1{
  font-size:clamp(2.1rem,4vw,3.4rem);
  line-height:1.15;
  font-weight:800;
  letter-spacing:-.02em;
  color:#FAF9F6;
  max-width:16em;
}
.ui-hero-sub{
  margin-top:16px;
  font-size:1.03rem;
  line-height:1.8;
  color:rgba(250,249,246,.82);
  max-width:44em;
}
.ui-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.ui-hero-meta{
  display:flex;flex-wrap:wrap;gap:10px 22px;
  margin-top:26px;
  padding-top:18px;
  border-top:1px solid rgba(250,249,246,.18);
  font-size:13px;
  letter-spacing:.02em;
  color:rgba(250,249,246,.68);
}
.ui-hero-meta b{color:#FAF9F6;font-weight:600;}

/* ================= 通用板块 ================= */
.ui-section{padding:96px 0;}
.ui-section-tight{padding:72px 0;}
.ui-section-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:18px;
  margin-bottom:36px;
}
.ui-title{
  font-size:clamp(1.6rem,2.6vw,2.15rem);
  font-weight:700;
  line-height:1.3;
  letter-spacing:-.01em;
  color:var(--ink);
}
.ui-title-sub{
  margin-top:10px;
  font-size:.97rem;
  color:var(--muted);
  max-width:52em;
  line-height:1.8;
}
.ui-link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:.92rem;font-weight:600;
  color:var(--ink);
  border-bottom:2px solid transparent;
  padding-bottom:2px;
  transition:border-color .18s var(--ease);
}
.ui-link-more:hover{border-bottom-color:var(--lime);}
.ui-divider{border-top:1px solid var(--line);}

.ui-eyebrow{
  display:inline-block;
  font-size:12px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--muted);
  margin-bottom:12px;
}

.ui-badge{
  display:inline-flex;align-items:center;
  padding:4px 10px;
  border-radius:var(--r-badge);
  font-size:12px;
  font-weight:600;
  letter-spacing:.02em;
  background:var(--lime);
  color:var(--lime-ink);
}
.ui-badge-outline{
  background:transparent;
  border:1px solid var(--line);
  color:var(--muted);
  font-weight:500;
}

/* ================= 数据速览 ================= */
.ui-stats{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
}
.ui-stat{
  background:var(--card);
  padding:28px 24px;
}
.ui-stat-num{
  font-size:2rem;
  font-weight:800;
  letter-spacing:-.02em;
  color:var(--ink);
  line-height:1.1;
}
.ui-stat-num em{font-style:normal;font-size:.95rem;font-weight:600;color:var(--muted);margin-left:4px;}
.ui-stat-label{margin-top:8px;font-size:.9rem;font-weight:600;color:var(--ink);}
.ui-stat-desc{margin-top:6px;font-size:13px;line-height:1.6;color:var(--muted);letter-spacing:.02em;}

/* ================= 榜单主体 ================= */
.ui-rank-wrap{border-top:1px solid var(--line);}
.ui-rank-row{
  display:grid;
  grid-template-columns:88px minmax(0,1fr) 132px;
  align-items:center;
  gap:24px;
  padding:22px 20px 22px 14px;
  border-bottom:1px solid var(--line);
  position:relative;
  transition:background .2s var(--ease);
}
.ui-rank-row::before{
  content:"";
  position:absolute;left:0;top:14px;bottom:14px;
  width:3px;
  background:var(--lime);
  border-radius:2px;
  transform:scaleY(0);
  transform-origin:top center;
  transition:transform .2s var(--ease);
}
.ui-rank-row:hover{background:#F4F3EE;}
.ui-rank-row:hover::before{transform:scaleY(1);}

.ui-rank-no{
  font-size:3rem;
  line-height:1;
  font-weight:800;
  letter-spacing:-.03em;
  color:var(--muted);
  text-align:center;
  transition:color .2s var(--ease),-webkit-text-stroke .2s var(--ease);
}
.ui-rank-row.is-top .ui-rank-no{
  color:var(--ink);
  -webkit-text-stroke:1.6px var(--lime);
}
.ui-rank-body{min-width:0;}
.ui-rank-title{
  font-size:1.14rem;
  font-weight:600;
  line-height:1.4;
  color:var(--ink);
  margin-bottom:6px;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.ui-rank-desc{
  font-size:.95rem;
  color:#4B4F55;
  line-height:1.7;
  margin-bottom:8px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.ui-rank-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px;
  font-size:13px;
  letter-spacing:.02em;
  color:var(--muted);
}
.ui-rank-meta .hot{color:var(--ink);font-weight:600;}
.ui-rank-thumb{
  width:132px;
  aspect-ratio:16/10;
  border-radius:var(--r-img);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--paper);
  flex:0 0 auto;
}
.ui-rank-thumb img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .3s var(--ease);
}
.ui-rank-row:hover .ui-rank-thumb img{transform:scale(1.04);}

.ui-rank-note{
  margin-top:22px;
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  font-size:13px;
  color:var(--muted);
  letter-spacing:.02em;
}

/* ================= 规则/说明卡片 ================= */
.ui-rule-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
}
.ui-rule-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:28px 24px;
  box-shadow:var(--sh-1);
  transition:box-shadow .25s var(--ease),transform .25s var(--ease);
}
.ui-rule-card:hover{box-shadow:var(--sh-2);transform:translateY(-4px);}
.ui-rule-index{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;
  border-radius:50%;
  border:1.5px solid var(--lime);
  color:var(--lime-ink);
  background:var(--lime);
  font-size:.85rem;
  font-weight:700;
  margin-bottom:16px;
}
.ui-rule-card h3{font-size:1.06rem;font-weight:600;margin-bottom:10px;}
.ui-rule-card p{font-size:.94rem;color:#4B4F55;line-height:1.8;}

/* ================= 入口卡片 ================= */
.ui-entry-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.ui-entry-card{
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:box-shadow .25s var(--ease),transform .25s var(--ease);
}
.ui-entry-card:hover{box-shadow:var(--sh-2);transform:translateY(-4px);}
.ui-entry-media{
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--paper);
  border-bottom:1px solid var(--line);
}
.ui-entry-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease);}
.ui-entry-card:hover .ui-entry-media img{transform:scale(1.04);}
.ui-entry-body{padding:22px 22px 26px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.ui-entry-body h3{font-size:1.08rem;font-weight:600;line-height:1.45;}
.ui-entry-body p{font-size:.93rem;color:#4B4F55;line-height:1.8;flex:1 1 auto;}
.ui-entry-tags{display:flex;flex-wrap:wrap;gap:8px;}

/* ================= FAQ ================= */
.ui-faq{max-width:900px;}
.accordion.ui-accordion .accordion-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  margin-bottom:12px;
  overflow:hidden;
}
.accordion.ui-accordion .accordion-button{
  position:relative;
  width:100%;
  background:var(--card);
  color:var(--ink);
  font-size:1rem;
  font-weight:600;
  line-height:1.6;
  padding:20px 56px 20px 26px;
  box-shadow:none;
  border:0;
  transition:color .18s var(--ease);
}
.accordion.ui-accordion .accordion-button::before{
  content:"";
  position:absolute;
  left:12px;top:50%;
  width:3px;height:0;
  background:var(--lime);
  border-radius:2px;
  transform:translateY(-50%);
  transition:height .22s var(--ease);
}
.accordion.ui-accordion .accordion-button:not(.collapsed)::before{height:22px;}
.accordion.ui-accordion .accordion-button:not(.collapsed){
  background:var(--card);
  color:var(--ink);
}
.accordion.ui-accordion .accordion-button:focus{box-shadow:none;border-color:var(--line);}
.accordion.ui-accordion .accordion-button::after{
  content:"+";
  position:absolute;
  right:22px;top:50%;
  transform:translateY(-50%);
  width:auto;height:auto;
  background-image:none !important;
  font-size:1.35rem;
  font-weight:400;
  line-height:1;
  color:var(--ink);
  transition:transform .2s var(--ease),color .2s var(--ease);
}
.accordion.ui-accordion .accordion-button:not(.collapsed)::after{
  content:"−";
  transform:translateY(-50%) rotate(0deg);
  color:var(--lime-ink);
}
.accordion.ui-accordion .accordion-body{
  padding:4px 26px 24px;
  font-size:.95rem;
  line-height:1.85;
  color:#4B4F55;
}
.accordion.ui-accordion .accordion-collapse{transition:height .26s var(--ease);}

/* ================= CTA ================= */
.ui-cta{
  background:var(--ink);
  color:#FAF9F6;
  border-radius:var(--r-card);
  padding:56px 48px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:28px;
}
.ui-cta h2{
  font-size:clamp(1.5rem,2.4vw,2rem);
  font-weight:700;
  line-height:1.35;
  color:#FAF9F6;
  max-width:22em;
}
.ui-cta p{
  margin-top:12px;
  font-size:.95rem;
  color:rgba(250,249,246,.72);
  max-width:34em;
}
.ui-cta .ui-hero-actions{margin-top:0;}

/* ================= 页脚 ================= */
.ui-footer{
  background:var(--ink);
  color:#FAF9F6;
  padding:72px 0 0;
  margin-top:0;
}
.ui-footer .ui-logo-mark{border-color:rgba(250,249,246,.4);color:#FAF9F6;}
.ui-footer .ui-logo-cn{color:#FAF9F6;}
.ui-footer .ui-logo-sub{color:rgba(250,249,246,.5);}
.ui-footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.3fr;
  gap:36px;
  padding-bottom:48px;
}
.ui-footer-desc{
  margin-top:16px;
  font-size:.92rem;
  line-height:1.8;
  color:rgba(250,249,246,.66);
  max-width:26em;
}
.ui-footer-title{
  font-size:13px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:rgba(250,249,246,.55);
  margin-bottom:16px;
}
.ui-footer-links li{margin-bottom:10px;}
.ui-footer-links a{
  font-size:.94rem;
  color:#FAF9F6;
  border-bottom:1px solid transparent;
  transition:border-color .18s var(--ease),color .18s var(--ease);
}
.ui-footer-links a:hover{color:var(--lime);border-bottom-color:var(--lime);}
.ui-footer-info{
  font-size:.92rem;
  line-height:1.9;
  color:rgba(250,249,246,.66);
}
.ui-footer-info li{margin-bottom:6px;}
.ui-footer-form{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap;}
.ui-footer-form input{
  flex:1 1 150px;
  min-width:0;
  height:40px;
  padding:0 16px;
  border-radius:var(--r-pill);
  border:1px solid rgba(250,249,246,.25);
  background:transparent;
  color:#FAF9F6;
  font-size:.9rem;
  outline:none;
  transition:border-color .18s var(--ease);
}
.ui-footer-form input::placeholder{color:rgba(250,249,246,.45);}
.ui-footer-form input:focus{border-color:var(--lime);}
.ui-footer-bottom{
  border-top:1px solid rgba(250,249,246,.14);
  padding:22px 0 26px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  font-size:13px;
  letter-spacing:.02em;
  color:rgba(250,249,246,.55);
}

/* ================= 动效 ================= */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .42s var(--ease),transform .42s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

/* ================= 响应式 ================= */
@media (max-width:1199.98px){
  .ui-nav-links .nav-link{padding:0 10px;font-size:.9rem;}
  .ui-search{width:200px;}
  .ui-footer-grid{grid-template-columns:1.4fr 1fr 1fr;}
  .ui-footer-grid > div:last-child{grid-column:1 / -1;}
}

@media (max-width:991.98px){
  .ui-container{padding:0 20px;}
  .ui-navbar-collapse{
    flex-direction:column;
    align-items:stretch;
    gap:8px;
    padding:14px 0 20px;
    border-top:1px solid var(--line);
    margin-top:10px;
  }
  .ui-nav-links{flex-direction:column;align-items:stretch;gap:0;}
  .ui-nav-links .nav-link{min-height:48px;border-radius:10px;padding:0 12px;font-size:.98rem;}
  .ui-nav-links .nav-link::after{left:12px;right:auto;width:22px;bottom:12px;}
  .ui-nav-right{flex-direction:column;align-items:stretch;gap:12px;}
  .ui-search{width:100%;height:46px;}
  .ui-nav-right .ui-btn{width:100%;}
  .ui-section{padding:72px 0;}
  .ui-section-tight{padding:56px 0;}
  .ui-stats{grid-template-columns:repeat(2,minmax(0,1fr));}
  .ui-rule-grid{grid-template-columns:1fr;gap:16px;}
  .ui-entry-grid{grid-template-columns:1fr 1fr;gap:18px;}
  .ui-cta{padding:40px 28px;}
  .ui-footer{margin-top:0;}
  .ui-footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .ui-footer-grid > div:last-child{grid-column:1 / -1;}
  .ui-rank-row{grid-template-columns:64px minmax(0,1fr) 108px;gap:16px;padding:18px 12px;}
  .ui-rank-no{font-size:2.35rem;}
  .ui-rank-thumb{width:108px;}
}

@media (max-width:767.98px){
  .ui-hero{min-height:56vh;}
  .ui-hero-inner{padding:64px 0 40px;}
  .ui-hero-sub{font-size:.98rem;}
  .ui-section{padding:56px 0;}
  .ui-section-head{margin-bottom:26px;}
  .ui-entry-grid{grid-template-columns:1fr;}
  .ui-rank-row{grid-template-columns:52px minmax(0,1fr);gap:12px;padding:16px 10px;}
  .ui-rank-no{font-size:1.95rem;}
  .ui-rank-thumb{display:none;}
  .ui-rank-title{font-size:1.05rem;}
  .ui-rank-desc{-webkit-line-clamp:3;}
  .ui-cta{padding:32px 22px;border-radius:var(--r-card);}
  .ui-cta .ui-hero-actions{width:100%;}
  .ui-cta .ui-btn{width:100%;}
  .ui-footer-grid{grid-template-columns:1fr;gap:26px;}
  .ui-footer-bottom{flex-direction:column;align-items:flex-start;}
}

@media (max-width:575.98px){
  .ui-container{padding:0 16px;}
  .ui-stats{grid-template-columns:1fr;}
  .ui-stat{padding:22px 18px;}
  .ui-logo-cn{font-size:.95rem;}
  .ui-hero h1{font-size:1.85rem;}
  .ui-hero-actions .ui-btn{width:100%;}
  .accordion.ui-accordion .accordion-button{padding:16px 46px 16px 22px;font-size:.96rem;}
  .accordion.ui-accordion .accordion-body{padding:0 22px 20px;}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .reveal{opacity:1;transform:none;}
}