/* roulang page: index */
:root{
    --ink:#0E0F12;
    --ink-2:#1A1C21;
    --paper:#F7F5F0;
    --card:#FFFFFF;
    --lime:#C6F24E;
    --lime-deep:#A8D92F;
    --clay:#FF6B4A;
    --line:#E4E0D7;
    --muted:#6E6B64;
    --radius-card:16px;
    --radius-shot:18px;
    --radius-big:22px;
    --shadow-hard:0 4px 0 var(--ink);
    --shadow-hard-lg:0 6px 0 rgba(14,15,18,.9);
    --ease:cubic-bezier(.2,.7,.2,1);
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;
    background:var(--paper);
    color:var(--ink);
    font-family:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
    font-size:16.5px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  body{padding-bottom:calc(72px + env(safe-area-inset-bottom))}
  @media (min-width:1024px){body{padding-bottom:0}}
  img{display:block;max-width:100%;height:auto}
  a{color:inherit;text-decoration:none}
  button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
  input,textarea{font:inherit;color:inherit}
  h1,h2,h3,h4,p,ul,ol{margin:0}
  ul,ol{padding:0;list-style:none}
  .num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}
  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
  @media (min-width:1024px){.container{padding:0 32px}}
  .sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

  /* ---------- 通用排版 ---------- */
  .eyebrow{
    display:inline-flex;align-items:center;gap:10px;
    font-size:12.5px;font-weight:600;letter-spacing:.2em;
    color:var(--muted);text-transform:none;
  }
  .eyebrow::before{content:"";width:24px;height:2px;background:var(--lime);display:block}
  .h1{font-size:clamp(32px,6vw,68px);font-weight:900;line-height:1.06;letter-spacing:-.02em}
  .h2{font-size:clamp(24px,3.4vw,40px);font-weight:800;line-height:1.18;letter-spacing:-.01em}
  .h3{font-size:clamp(19px,2vw,23px);font-weight:700;line-height:1.35}
  .lead{font-size:16.5px;line-height:1.8;color:var(--muted)}
  .sec-title{display:flex;flex-direction:column;gap:12px}
  .sec-title .bar{width:24px;height:4px;background:var(--lime);display:block}
  .sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px}
  .sec{padding:64px 0}
  @media (min-width:1024px){.sec{padding:104px 0}}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:13px 26px;border-radius:999px;font-size:15px;font-weight:700;
    border:1px solid var(--ink);transition:transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease);
    white-space:nowrap;line-height:1;
  }
  .btn-primary{background:var(--lime);color:var(--ink)}
  .btn-primary:hover{background:var(--lime-deep);transform:translateY(-2px);box-shadow:var(--shadow-hard)}
  .btn-ghost{background:transparent;color:var(--ink)}
  .btn-ghost:hover{background:var(--ink);color:var(--paper);transform:translateY(-2px)}
  .btn-light{background:var(--lime);color:var(--ink);border-color:var(--lime)}
  .btn-light:hover{background:var(--lime-deep);border-color:var(--lime-deep);transform:translateY(-2px)}
  .btn:active{transform:scale(.98)}
  .btn:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
  .btn-sm{padding:10px 18px;font-size:14px}
  .btn[disabled]{opacity:.4;pointer-events:none}

  /* ---------- 标签 ---------- */
  .chip{
    display:inline-flex;align-items:center;gap:6px;
    padding:5px 12px;border-radius:999px;background:var(--paper);
    border:1px solid var(--line);color:var(--ink);
    font-size:12.5px;font-weight:600;transition:all .2s var(--ease);
  }
  .chip:hover{background:var(--ink);color:var(--paper);border-color:var(--ink)}
  .chip-dark{background:rgba(14,15,18,.78);color:#F7F5F0;border-color:transparent;backdrop-filter:none}
  .chip-lime{background:var(--lime);border-color:var(--lime);color:var(--ink)}

  /* ---------- 导航 ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;background:rgba(247,245,240,.96);
    border-bottom:1px solid transparent;transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
  }
  .site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 2px 10px rgba(14,15,18,.06)}
  .nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;height:68px}
  .logo{display:flex;align-items:center;gap:10px;font-weight:900;letter-spacing:-.01em}
  .logo-mark{
    width:32px;height:32px;border-radius:10px;background:var(--ink);
    display:flex;align-items:center;justify-content:center;color:var(--lime);font-size:15px;
  }
  .logo-text{font-size:17px;line-height:1.1;display:flex;flex-direction:column}
  .logo-text small{display:block;font-size:11px;font-weight:600;color:var(--muted);letter-spacing:.14em}
  .nav-links{display:none;align-items:center;gap:4px}
  @media (min-width:1024px){.nav-links{display:flex}}
  .nav-links a{
    padding:9px 14px;border-radius:999px;font-size:14.5px;font-weight:600;color:var(--ink);
    transition:background .2s var(--ease),color .2s var(--ease);
  }
  .nav-links a:hover{background:#EDEAE1}
  .nav-links a.active{background:var(--ink);color:var(--paper)}
  .nav-right{display:flex;align-items:center;gap:10px}
  .nav-right .btn{display:none}
  @media (min-width:640px){.nav-right .btn{display:inline-flex}}
  .burger{
    width:42px;height:42px;border:1px solid var(--line);border-radius:12px;
    display:flex;align-items:center;justify-content:center;background:var(--card);
  }
  @media (min-width:1024px){.burger{display:none}}
  .drawer{
    display:none;border-top:1px solid var(--line);background:var(--paper);
    padding:14px 0 20px;
  }
  .drawer.open{display:block}
  .drawer a{display:block;padding:12px 4px;font-size:15.5px;font-weight:600;border-bottom:1px solid var(--line)}
  .drawer a:last-child{border-bottom:0}
  .drawer a.active{color:var(--ink)}
  .drawer a.active::before{content:"●";color:var(--lime);margin-right:8px;font-size:10px;vertical-align:2px}

  /* ---------- 移动底部 Tab ---------- */
  .tabbar{
    position:fixed;left:0;right:0;bottom:0;z-index:70;
    display:grid;grid-template-columns:repeat(5,1fr);
    background:rgba(247,245,240,.98);border-top:1px solid var(--line);
    padding-bottom:env(safe-area-inset-bottom);
  }
  @media (min-width:1024px){.tabbar{display:none}}
  .tabbar a{
    position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;
    gap:3px;height:62px;font-size:11.5px;font-weight:600;color:var(--muted);
    transition:color .2s var(--ease);
  }
  .tabbar a i{font-size:17px;transition:transform .2s var(--ease)}
  .tabbar a.active{color:var(--ink)}
  .tabbar a.active i{transform:scale(1.08);color:var(--ink)}
  .tabbar a.active::before{
    content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
    width:26px;height:2px;background:var(--lime);border-radius:2px;
  }
  .tabbar a.active::after{
    content:"";position:absolute;bottom:8px;width:4px;height:4px;border-radius:50%;background:var(--lime);
  }

  /* ---------- Hero ---------- */
  .hero{
    position:relative;background:var(--ink);color:var(--paper);overflow:hidden;
    border-radius:0 0 26px 26px;
  }
  .hero-bg{
    position:absolute;inset:0;
    background-image:url('/assets/images/backpic/back-1.webp');
    background-size:cover;background-position:center;
    opacity:.16;pointer-events:none;
  }
  .hero-grid{position:relative;display:grid;gap:40px;padding:56px 0 64px}
  @media (min-width:1024px){.hero-grid{grid-template-columns:6fr 6fr;align-items:center;padding:92px 0 100px;gap:56px}}
  .hero h1{color:#fff}
  .hero .lead{color:#B9B6AE;max-width:520px}
  .hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px}
  .hero-tags span{
    border:1px solid rgba(247,245,240,.25);color:#DAD7CF;
    padding:6px 13px;border-radius:999px;font-size:12.5px;font-weight:600;
  }
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
  .shot{
    position:relative;border-radius:20px;overflow:hidden;background:var(--ink-2);
    aspect-ratio:3/4;border:1px solid rgba(247,245,240,.14);
  }
  .shot img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
  .shot:hover img{transform:scale(1.03)}
  .shot .dur{
    position:absolute;right:12px;bottom:12px;z-index:2;
    background:rgba(14,15,18,.8);color:#F7F5F0;border-radius:8px;
    padding:3px 8px;font-size:12px;font-weight:600;
  }
  .shot .info{
    position:absolute;left:0;right:0;bottom:0;z-index:2;padding:14px;
    background:linear-gradient(to top,rgba(14,15,18,.9),rgba(14,15,18,0));
    font-size:13.5px;font-weight:600;color:#F7F5F0;
  }
  .play{
    position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:2;
    width:58px;height:58px;border-radius:50%;background:rgba(198,242,78,.94);
    display:flex;align-items:center;justify-content:center;color:var(--ink);font-size:19px;
    transition:transform .25s var(--ease),box-shadow .25s var(--ease);
  }
  .shot:hover .play{transform:translate(-50%,-50%) scale(1.06);box-shadow:0 0 0 10px rgba(198,242,78,.16)}
  .hero-card-wrap{position:relative}

  /* ---------- 数据条 ---------- */
  .stats{display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--card)}
  @media (min-width:768px){.stats{grid-template-columns:repeat(4,1fr)}}
  .stat{padding:26px 20px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
  @media (min-width:768px){.stat{border-bottom:0}.stat:last-child{border-right:0}}
  .stat b{display:block;font-size:clamp(28px,3.4vw,40px);font-weight:900;line-height:1;letter-spacing:-.02em}
  .stat span{display:block;margin-top:9px;font-size:13.5px;color:var(--muted)}

  /* ---------- 横滚 ---------- */
  .scroller{
    display:flex;gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;
    padding:6px 20px 22px;scroll-padding-left:20px;
    -ms-overflow-style:none;scrollbar-width:none;
  }
  @media (min-width:1024px){.scroller{padding-left:0;padding-right:0}}
  .scroller::-webkit-scrollbar{display:none}
  .scroller > *{scroll-snap-align:start;flex:0 0 auto}
  .card-clip{width:206px}
  @media (min-width:640px){.card-clip{width:236px}}
  @media (min-width:1024px){.card-clip{width:256px}}
  .clip-shot{
    position:relative;border-radius:var(--radius-shot);overflow:hidden;background:var(--ink-2);
    aspect-ratio:3/4;border:1px solid var(--line);
  }
  .clip-shot img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
  .clip-card:hover .clip-shot img{transform:scale(1.04)}
  .clip-card{display:block;transition:transform .25s var(--ease)}
  .clip-card:hover{transform:translateY(-4px)}
  .clip-card h3{font-size:15px;font-weight:700;line-height:1.45;margin-top:12px}
  .clip-meta{display:flex;align-items:center;gap:12px;margin-top:8px;font-size:12.5px;color:var(--muted)}
  .arrow-btn{
    width:42px;height:42px;border-radius:50%;border:1px solid var(--ink);background:var(--card);
    display:inline-flex;align-items:center;justify-content:center;transition:all .2s var(--ease);
  }
  .arrow-btn:hover{background:var(--ink);color:var(--paper);transform:translateY(-2px)}
  .arrow-btn:focus-visible{outline:2px solid var(--lime);outline-offset:2px}

  /* ---------- 清单 ---------- */
  .rank-row{
    display:grid;grid-template-columns:56px 1fr 56px 20px;align-items:center;gap:16px;
    padding:20px 8px;border-bottom:1px solid var(--line);transition:background .2s var(--ease);
  }
  @media (min-width:768px){.rank-row{grid-template-columns:96px 1fr 74px 24px;gap:24px;padding:24px 12px}}
  .rank-row:hover{background:var(--paper)}
  .rank-no{
    font-size:34px;font-weight:900;line-height:1;letter-spacing:-.03em;
    color:transparent;-webkit-text-stroke:1.4px var(--ink);
  }
  @media (min-width:768px){.rank-no{font-size:46px}}
  .rank-row:hover .rank-no{-webkit-text-stroke:1.4px var(--lime-deep)}
  .rank-thumb{width:56px;height:72px;border-radius:14px;overflow:hidden;background:var(--ink-2)}
  @media (min-width:768px){.rank-thumb{width:74px;height:94px;border-radius:16px}}
  .rank-thumb img{width:100%;height:100%;object-fit:cover}
  .rank-row p{font-size:14px;color:var(--muted);margin-top:6px}
  .rank-arrow{color:var(--muted);transition:transform .2s var(--ease),color .2s var(--ease)}
  .rank-row:hover .rank-arrow{color:var(--ink);transform:translateX(4px)}

  /* ---------- 内容卡 ---------- */
  .post-card{
    display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
    border-radius:var(--radius-card);overflow:hidden;height:100%;
    transition:transform .25s var(--ease),box-shadow .25s var(--ease);
  }
  .post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hard)}
  .post-cover{aspect-ratio:16/9;overflow:hidden;background:var(--ink-2)}
  .post-cover img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
  .post-card:hover .post-cover img{transform:scale(1.04)}
  .post-body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1}
  .post-body h3{font-size:17px;font-weight:700;line-height:1.5}
  .clamp2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .post-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12.5px;color:var(--muted);margin-top:auto}
  .empty-state{
    border:1px dashed var(--line);border-radius:var(--radius-card);background:var(--card);
    padding:48px 24px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:14px;
  }
  .empty-state i{font-size:30px;color:var(--muted)}

  /* ---------- 口碑 ---------- */
  .review{
    width:290px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
    padding:22px;display:flex;flex-direction:column;gap:14px;
  }
  .stars{color:var(--clay);font-size:13px;letter-spacing:2px}
  .review p{font-size:15px;line-height:1.7}
  .review-user{display:flex;align-items:center;gap:10px;margin-top:auto}
  .avatar{
    width:38px;height:38px;border-radius:50%;background:var(--paper);border:1px solid var(--line);
    display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;
  }

  /* ---------- CTA ---------- */
  .cta{
    background:var(--ink);color:var(--paper);border-radius:26px;position:relative;overflow:hidden;
    padding:48px 28px;
  }
  @media (min-width:1024px){.cta{padding:72px 64px}}
  .cta-lines{
    position:absolute;inset:0;pointer-events:none;opacity:.16;
    background-image:linear-gradient(to right,rgba(247,245,240,.55) 1px,transparent 1px),
                     linear-gradient(to bottom,rgba(247,245,240,.55) 1px,transparent 1px);
    background-size:64px 64px;
  }
  .cta-inner{position:relative;display:flex;flex-direction:column;gap:26px}
  @media (min-width:1024px){.cta-inner{flex-direction:row;align-items:center;justify-content:space-between}}

  /* ---------- FAQ ---------- */
  .faq{max-width:820px;margin:0 auto}
  .faq-item{border-bottom:1px solid var(--line)}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:20px 4px;text-align:left;font-size:17px;font-weight:700;
  }
  .faq-q:hover{color:var(--ink-2)}
  .faq-q:focus-visible{outline:2px solid var(--lime);outline-offset:-2px}
  .faq-icon{color:var(--muted);font-size:16px;transition:transform .25s var(--ease),color .25s var(--ease)}
  .faq-item.open .faq-icon{transform:rotate(180deg);color:var(--ink)}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .35s var(--ease),opacity .3s var(--ease);opacity:0}
  .faq-item.open .faq-a{opacity:1}
  .faq-a p{padding:0 4px 22px;color:var(--muted);font-size:15.5px;line-height:1.85;max-width:660px}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--ink);color:#E7E4DC;margin-top:80px;padding:56px 0 26px}
  @media (min-width:1024px){.site-footer{margin-top:110px;padding:76px 0 30px}}
  .footer-grid{display:grid;gap:34px}
  @media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
  @media (min-width:1024px){.footer-grid{grid-template-columns:2fr 1fr 1fr 1.2fr;gap:40px}}
  .site-footer h4{font-size:14px;font-weight:700;letter-spacing:.12em;color:#9C988F;margin-bottom:16px}
  .site-footer a{color:#E7E4DC;font-size:14.5px;transition:color .2s var(--ease)}
  .site-footer a:hover{color:var(--lime)}
  .footer-list li{padding:6px 0}
  .footer-brand p{color:#9C988F;font-size:14px;line-height:1.85;margin-top:16px;max-width:320px}
  .footer-bottom{
    margin-top:44px;padding-top:22px;border-top:1px solid rgba(247,245,240,.14);
    display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
    font-size:13px;color:#9C988F;
  }

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

/* roulang page: article */
:root{
    --ink:#0E0F12;
    --ink-2:#1A1C21;
    --paper:#F7F5F0;
    --card:#FFFFFF;
    --lime:#C6F24E;
    --lime-deep:#A8D92F;
    --clay:#FF6B4A;
    --line:#E4E0D7;
    --muted:#6E6B64;
    --radius-phone:18px;
    --radius-card:16px;
    --radius-lg:22px;
    --radius-pill:999px;
    --shadow-hard:0 4px 0 var(--ink);
    --shadow-soft:0 1px 0 rgba(14,15,18,.06);
    --font-sans: system-ui, -apple-system, "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", sans-serif;
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%}
  body{
    margin:0;
    font-family:var(--font-sans);
    background:var(--paper);
    color:var(--ink);
    font-size:16px;
    line-height:1.75;
    padding-bottom:76px;
    overflow-x:hidden;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none}
  a:hover{color:inherit}
  button{font-family:inherit}
  h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
  ul,ol{padding:0;list-style:none}
  .num, .tabular{font-variant-numeric:tabular-nums}
  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
  @media (min-width:768px){ .container{padding:0 32px} }

  /* ============ Header ============ */
  .site-header{
    position:sticky;
    top:0;
    z-index:60;
    background:var(--paper);
    border-bottom:1px solid transparent;
    transition:border-color .2s ease, box-shadow .2s ease;
  }
  .site-header.is-scrolled{
    border-bottom-color:var(--line);
    box-shadow:var(--shadow-soft);
  }
  .header-inner{
    display:flex;
    align-items:center;
    gap:16px;
    height:68px;
  }
  .logo{
    display:flex;
    align-items:center;
    gap:10px;
    flex-shrink:0;
  }
  .logo-mark{
    width:34px;height:34px;
    border-radius:11px;
    background:var(--ink);
    color:var(--lime);
    display:grid;place-items:center;
    font-size:16px;
    flex-shrink:0;
  }
  .logo-text{
    display:flex;
    flex-direction:column;
    font-weight:900;
    font-size:16px;
    line-height:1.1;
    letter-spacing:-.01em;
  }
  .logo-text small{
    font-size:11px;
    font-weight:600;
    color:var(--muted);
    letter-spacing:.16em;
    margin-top:2px;
  }
  .nav-links{
    display:none;
    gap:2px;
    margin-left:auto;
  }
  .nav-links a{
    display:inline-block;
    padding:8px 14px;
    border-radius:var(--radius-pill);
    font-size:15px;
    font-weight:600;
    color:var(--ink-2);
    transition:background-color .2s ease, color .2s ease;
    white-space:nowrap;
  }
  .nav-links a:hover{background:#EDEAE2}
  .nav-links a.active{background:var(--ink);color:var(--paper)}
  .nav-links a.active:hover{background:var(--ink-2)}
  .header-cta{display:none;margin-left:12px}
  .nav-toggle{
    margin-left:auto;
    width:42px;height:42px;
    border-radius:12px;
    border:1px solid var(--line);
    background:var(--card);
    color:var(--ink);
    display:grid;place-items:center;
    font-size:16px;
    cursor:pointer;
  }
  .nav-toggle:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
  .mobile-nav{
    display:none;
    flex-direction:column;
    padding:8px 0 16px;
    border-bottom:1px solid var(--line);
    background:var(--paper);
  }
  .mobile-nav.open{display:flex}
  .mobile-nav a{
    padding:12px 4px;
    font-size:15px;
    font-weight:600;
    border-bottom:1px solid var(--line);
  }
  .mobile-nav a:last-child{border-bottom:0}
  .mobile-nav a.active{color:var(--ink)}
  .mobile-nav a.active::before{
    content:"";
    display:inline-block;
    width:8px;height:8px;
    border-radius:2px;
    background:var(--lime);
    border:1px solid var(--ink);
    margin-right:8px;
    vertical-align:middle;
  }
  @media (min-width:1024px){
    .nav-links{display:flex}
    .header-cta{display:inline-flex}
    .nav-toggle{display:none}
    .mobile-nav{display:none !important}
    .logo-text{font-size:17px}
    .logo-text small{font-size:12px}
  }

  /* ============ Buttons ============ */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    padding:12px 22px;
    border-radius:var(--radius-pill);
    border:1px solid var(--ink);
    font-size:15px;
    font-weight:700;
    cursor:pointer;
    transition:transform .2s cubic-bezier(.2,.7,.2,1), background-color .2s ease, color .2s ease, box-shadow .2s ease;
  }
  .btn-primary{background:var(--lime);color:var(--ink)}
  .btn-primary:hover{background:var(--lime-deep);transform:translateY(-2px);box-shadow:var(--shadow-hard)}
  .btn-ghost{background:transparent;color:var(--ink)}
  .btn-ghost:hover{background:var(--ink);color:var(--paper);transform:translateY(-2px)}
  .btn-light{background:var(--paper);color:var(--ink);border-color:var(--paper)}
  .btn-light:hover{background:var(--lime);border-color:var(--lime);transform:translateY(-2px)}
  .btn:active{transform:scale(.98)}
  .btn:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
  .btn-sm{padding:9px 16px;font-size:14px}
  .btn-lg{padding:15px 30px;font-size:16px}

  /* ============ Breadcrumb ============ */
  .breadcrumb-wrap{
    border-bottom:1px solid var(--line);
    background:var(--paper);
  }
  .breadcrumb{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:8px;
    padding:14px 0;
    font-size:13px;
    color:var(--muted);
  }
  .breadcrumb a{color:var(--muted);transition:color .2s ease}
  .breadcrumb a:hover{color:var(--ink)}
  .breadcrumb .sep{color:#C4BFB4}
  .breadcrumb .cur{color:var(--ink);font-weight:600;max-width:60vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

  /* ============ Article head ============ */
  .post-head{padding:36px 0 8px}
  .chip{
    display:inline-flex;
    align-items:center;
    gap:6px;
    padding:5px 12px;
    border-radius:var(--radius-pill);
    background:#EFEBE1;
    color:var(--ink-2);
    font-size:12.5px;
    font-weight:600;
    transition:background-color .2s ease,color .2s ease;
  }
  .chip:hover{background:var(--ink);color:var(--paper)}
  .post-title{
    font-size:clamp(28px,5vw,46px);
    font-weight:900;
    line-height:1.12;
    letter-spacing:-.02em;
    margin:16px 0 18px;
    max-width:900px;
  }
  .meta-row{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:10px 18px;
    font-size:13.5px;
    color:var(--muted);
    padding-bottom:22px;
    border-bottom:1px solid var(--line);
  }
  .meta-row .dot{width:4px;height:4px;border-radius:50%;background:#C4BFB4}
  .share-btn{
    margin-left:auto;
    display:inline-flex;
    align-items:center;
    gap:7px;
    padding:7px 14px;
    border-radius:var(--radius-pill);
    border:1px solid var(--line);
    background:var(--card);
    font-size:13px;
    font-weight:600;
    color:var(--ink-2);
    cursor:pointer;
    transition:border-color .2s ease, background-color .2s ease;
  }
  .share-btn:hover{border-color:var(--ink);background:#EFEBE1}
  .share-btn:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
  .cover-fig{
    margin-top:26px;
    border-radius:20px;
    overflow:hidden;
    border:1px solid var(--line);
    background:var(--card);
  }
  .cover-fig img{
    width:100%;
    aspect-ratio:16/9;
    object-fit:cover;
    transition:transform .5s cubic-bezier(.2,.7,.2,1);
  }
  .cover-fig:hover img{transform:scale(1.03)}

  /* ============ Post layout ============ */
  .post-layout{
    display:grid;
    grid-template-columns:minmax(0,1fr);
    grid-template-areas:"side" "main";
    gap:36px;
    padding-top:44px;
  }
  .post-main{grid-area:main;min-width:0}
  .post-side{grid-area:side;min-width:0}
  @media (min-width:1024px){
    .post-layout{
      grid-template-columns:minmax(0,1fr) 300px;
      grid-template-areas:"main side";
      gap:48px;
      padding-top:56px;
    }
    .post-side .sticky{position:sticky;top:92px}
  }

  /* ============ Article body ============ */
  .article-body{
    max-width:820px;
    font-size:17px;
    line-height:1.85;
    color:#23252B;
  }
  .article-body > *:first-child{margin-top:0}
  .article-body p{margin:0 0 1.2em}
  .article-body h2{
    position:relative;
    font-size:clamp(22px,3vw,30px);
    font-weight:800;
    line-height:1.3;
    letter-spacing:-.01em;
    margin:40px 0 16px;
    padding-left:18px;
    color:var(--ink);
  }
  .article-body h2::before{
    content:"";
    position:absolute;
    left:0;
    top:.16em;
    bottom:.16em;
    width:4px;
    border-radius:4px;
    background:var(--lime);
  }
  .article-body h3{
    font-size:20px;
    font-weight:700;
    line-height:1.4;
    margin:28px 0 12px;
    color:var(--ink);
  }
  .article-body h4{font-size:17px;font-weight:700;margin:22px 0 10px}
  .article-body blockquote{
    margin:24px 0;
    padding:16px 20px;
    border-left:3px solid var(--ink);
    background:#F1EEE6;
    border-radius:0 12px 12px 0;
    color:#33353C;
  }
  .article-body blockquote p:last-child{margin-bottom:0}
  .article-body ul{margin:0 0 1.2em;padding-left:22px}
  .article-body ul li{
    position:relative;
    margin-bottom:.55em;
    list-style:none;
  }
  .article-body ul li::before{
    content:"";
    position:absolute;
    left:-18px;
    top:.66em;
    width:8px;height:8px;
    border-radius:2px;
    background:var(--lime);
    border:1px solid var(--ink);
  }
  .article-body ol{margin:0 0 1.2em;padding-left:26px;list-style:decimal}
  .article-body ol li{margin-bottom:.55em}
  .article-body ol li::marker{color:var(--muted);font-weight:700}
  .article-body img{
    width:100%;
    height:auto;
    border-radius:12px;
    margin:22px 0 8px;
  }
  .article-body figure{margin:22px 0}
  .article-body figcaption{
    font-size:13px;
    color:var(--muted);
    text-align:center;
    margin-top:10px;
  }
  .article-body a{
    color:var(--ink);
    font-weight:600;
    text-decoration:underline;
    text-decoration-color:var(--lime);
    text-decoration-thickness:3px;
    text-underline-offset:4px;
  }
  .article-body a:hover{background:var(--lime)}
  .article-body strong{font-weight:700;color:var(--ink)}
  .article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}
  .article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px}
  .article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left}
  .article-body th{background:#EFEBE1;font-weight:700}

  .empty-state{
    border:1px dashed var(--line);
    background:var(--card);
    border-radius:var(--radius-lg);
    padding:56px 24px;
    text-align:center;
  }
  .empty-state i{font-size:30px;color:var(--muted)}
  .empty-state p{margin:14px 0 20px;color:var(--muted);font-size:15px}

  /* ============ Sidebar ============ */
  .side-card{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    padding:20px;
  }
  .side-card + .side-card{margin-top:18px}
  .side-title{
    font-size:15px;
    font-weight:800;
    display:flex;
    align-items:center;
    gap:8px;
    margin-bottom:14px;
  }
  .side-title::before{
    content:"";
    width:18px;height:3px;
    border-radius:3px;
    background:var(--lime);
  }
  .side-list li + li{border-top:1px solid var(--line)}
  .side-list a{
    display:flex;
    gap:12px;
    padding:12px 0;
    font-size:14.5px;
    line-height:1.5;
    color:var(--ink-2);
    transition:color .2s ease, transform .2s ease;
  }
  .side-list a:hover{color:var(--ink);transform:translateX(3px)}
  .side-list .num{
    font-size:15px;
    font-weight:900;
    color:var(--muted);
    flex-shrink:0;
  }
  .side-card--dark{
    background:var(--ink);
    border-color:var(--ink);
    color:var(--paper);
  }
  .side-card--dark .side-title::before{background:var(--lime)}
  .side-card--dark p{font-size:14px;color:#B9B5AC;margin:0 0 16px}
  .side-tags{display:flex;flex-wrap:wrap;gap:8px}

  /* ============ Tags & author ============ */
  .post-foot{
    padding:44px 0 0;
    margin-top:48px;
    border-top:1px solid var(--line);
    max-width:820px;
  }
  .tag-list{display:flex;flex-wrap:wrap;gap:10px}
  .tag{
    display:inline-flex;
    padding:6px 14px;
    border-radius:var(--radius-pill);
    background:#EFEBE1;
    color:var(--ink-2);
    font-size:13px;
    font-weight:600;
    transition:background-color .2s ease,color .2s ease;
  }
  .tag:hover{background:var(--ink);color:var(--paper)}
  .author-card{
    display:flex;
    align-items:center;
    gap:16px;
    margin-top:26px;
    padding:18px 20px;
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    background:var(--card);
  }
  .author-avatar{
    width:52px;height:52px;
    border-radius:50%;
    background:var(--ink);
    color:var(--lime);
    display:grid;place-items:center;
    font-size:20px;
    flex-shrink:0;
  }
  .author-info h3{font-size:16px;font-weight:800}
  .author-info p{font-size:13.5px;color:var(--muted);margin-top:2px}

  /* ============ Section titles ============ */
  .section{padding:64px 0}
  @media (min-width:1024px){ .section{padding:96px 0} }
  .section-head{margin-bottom:32px}
  .eyebrow{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:12.5px;
    font-weight:600;
    letter-spacing:.2em;
    color:var(--muted);
    margin-bottom:12px;
  }
  .eyebrow::before{
    content:"";
    width:24px;height:3px;
    border-radius:3px;
    background:var(--lime);
  }
  .h2{
    font-size:clamp(24px,4vw,40px);
    font-weight:800;
    line-height:1.15;
    letter-spacing:-.015em;
  }
  .section-desc{
    margin-top:12px;
    color:var(--muted);
    font-size:15.5px;
    max-width:640px;
  }

  /* ============ Clip cards ============ */
  .clip-grid{
    display:grid;
    grid-template-columns:repeat(1,minmax(0,1fr));
    gap:24px;
  }
  @media (min-width:640px){ .clip-grid{grid-template-columns:repeat(2,minmax(0,1fr))} }
  @media (min-width:1024px){ .clip-grid{grid-template-columns:repeat(3,minmax(0,1fr))} }
  .clip-card{
    display:block;
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--radius-phone);
    overflow:hidden;
    transition:transform .2s cubic-bezier(.2,.7,.2,1), box-shadow .2s ease;
  }
  .clip-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hard)}
  .clip-thumb{
    position:relative;
    aspect-ratio:3/4;
    overflow:hidden;
    background:#EFEBE1;
  }
  .clip-thumb img{
    width:100%;height:100%;
    object-fit:cover;
    transition:transform .35s cubic-bezier(.2,.7,.2,1);
  }
  .clip-card:hover .clip-thumb img{transform:scale(1.04)}
  .clip-badge{
    position:absolute;
    left:12px;top:12px;
    padding:4px 10px;
    border-radius:var(--radius-pill);
    background:rgba(14,15,18,.72);
    color:#F7F5F0;
    font-size:11.5px;
    font-weight:600;
  }
  .clip-time{
    position:absolute;
    right:12px;bottom:12px;
    padding:4px 9px;
    border-radius:8px;
    background:rgba(14,15,18,.72);
    color:#F7F5F0;
    font-size:11.5px;
    font-weight:600;
  }
  .clip-body{padding:16px 16px 18px}
  .clip-body h3{
    font-size:17px;
    font-weight:700;
    line-height:1.45;
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
    overflow:hidden;
  }
  .clip-meta{
    display:flex;
    align-items:center;
    gap:14px;
    margin-top:12px;
    font-size:12.5px;
    color:var(--muted);
  }

  /* ============ Prev / Next ============ */
  .post-nav-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:16px;
  }
  @media (min-width:768px){ .post-nav-grid{grid-template-columns:repeat(2,minmax(0,1fr))} }
  .post-nav-item{
    display:flex;
    flex-direction:column;
    gap:6px;
    padding:20px;
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    background:var(--card);
    transition:transform .2s cubic-bezier(.2,.7,.2,1), box-shadow .2s ease, border-color .2s ease;
  }
  .post-nav-item:hover{transform:translateY(-4px);border-color:var(--ink);box-shadow:var(--shadow-hard)}
  .post-nav-item span{font-size:12.5px;color:var(--muted);letter-spacing:.1em}
  .post-nav-item strong{font-size:16px;font-weight:700;line-height:1.5}
  .back-entry{
    display:inline-flex;
    align-items:center;
    gap:8px;
    margin-top:24px;
    font-size:14.5px;
    font-weight:700;
    color:var(--ink);
  }
  .back-entry i{color:var(--muted);transition:transform .2s ease}
  .back-entry:hover i{transform:translateX(-4px)}

  /* ============ CTA ============ */
  .cta-band{
    background:var(--ink);
    color:var(--paper);
    position:relative;
    overflow:hidden;
  }
  .cta-band::before{
    content:"";
    position:absolute;
    inset:0;
    background-image:url('/assets/images/backpic/back-2.png');
    background-size:cover;
    background-position:center;
    opacity:.12;
  }
  .cta-inner{
    position:relative;
    display:grid;
    grid-template-columns:1fr;
    gap:28px;
    padding:72px 0;
  }
  @media (min-width:1024px){
    .cta-inner{grid-template-columns:1.4fr 1fr;align-items:center;padding:96px 0}
  }
  .cta-inner h2{
    font-size:clamp(26px,4vw,42px);
    font-weight:900;
    line-height:1.12;
    letter-spacing:-.02em;
  }
  .cta-inner p{margin-top:14px;color:#B9B5AC;font-size:15.5px;max-width:520px}
  .cta-actions{display:flex;flex-wrap:wrap;gap:14px}

  /* ============ Footer ============ */
  .site-footer{
    background:var(--ink);
    color:#F7F5F0;
    padding:64px 0 28px;
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:36px;
  }
  @media (min-width:640px){ .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))} }
  @media (min-width:1024px){ .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:48px} }
  .footer-brand .logo{margin-bottom:16px}
  .footer-brand p{color:#B9B5AC;font-size:14.5px;max-width:340px}
  .site-footer h4{
    font-size:15px;
    font-weight:800;
    margin-bottom:16px;
    letter-spacing:.04em;
  }
  .footer-list li + li{margin-top:10px}
  .footer-list a,.footer-list span{color:#B9B5AC;font-size:14.5px;transition:color .2s ease}
  .footer-list a:hover{color:var(--lime)}
  .footer-bottom{
    display:flex;
    flex-wrap:wrap;
    gap:10px 24px;
    justify-content:space-between;
    margin-top:48px;
    padding-top:22px;
    border-top:1px solid #2A2C32;
    color:#8B8780;
    font-size:13px;
  }

  /* ============ Mobile tabbar ============ */
  .tabbar{
    position:fixed;
    left:0;right:0;bottom:0;
    z-index:70;
    display:grid;
    grid-template-columns:repeat(5,1fr);
    background:var(--paper);
    border-top:1px solid var(--line);
    padding-bottom:env(safe-area-inset-bottom);
  }
  .tab-item{
    position:relative;
    display:flex;
    flex-direction:column;
    align-items:center;
    justify-content:center;
    gap:3px;
    height:62px;
    font-size:11.5px;
    font-weight:600;
    color:var(--muted);
    transition:color .2s ease;
  }
  .tab-item i{font-size:17px;transition:transform .2s ease}
  .tab-item:hover{color:var(--ink)}
  .tab-item.active{color:var(--ink)}
  .tab-item.active i{transform:scale(1.08)}
  .tab-item.active::before{
    content:"";
    position:absolute;
    top:0;left:50%;
    transform:translateX(-50%);
    width:22px;height:2px;
    border-radius:2px;
    background:var(--lime);
  }
  @media (min-width:1024px){
    .tabbar{display:none}
    body{padding-bottom:0}
  }

  /* ============ Reveal ============ */
  .reveal{opacity:0;transform:translateY(12px);transition:opacity .5s ease, transform .5s cubic-bezier(.2,.7,.2,1)}
  .reveal.in{opacity:1;transform:none}
  @media (prefers-reduced-motion: reduce){
    *{animation:none !important;transition:none !important}
    .reveal{opacity:1;transform:none}
  }

/* roulang page: category2 */
:root{
    --ink:#0E0F12;
    --ink-2:#1A1C21;
    --paper:#F7F5F0;
    --card:#FFFFFF;
    --lime:#C6F24E;
    --lime-deep:#A8D92F;
    --clay:#FF6B4A;
    --line:#E4E0D7;
    --muted:#6E6B64;
    --radius-card:16px;
    --radius-vert:18px;
    --radius-big:22px;
    --radius-pill:999px;
    --shadow-hard:0 4px 0 var(--ink);
    --shadow-soft:0 10px 24px rgba(14,15,18,.06);
    --container:1200px;
  }

  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;
    background:var(--paper);
    color:var(--ink);
    font-family:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
    font-size:16.5px;
    line-height:1.75;
    overflow-x:hidden;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none}
  button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
  input{font-family:inherit}
  h1,h2,h3,h4,p,ul,ol,figure{margin:0}
  ul{padding:0;list-style:none}
  .num{font-variant-numeric:tabular-nums}

  :focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px}

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

  /* ============ header ============ */
  .site-header{
    position:sticky;
    top:0;
    z-index:60;
    background:rgba(247,245,240,.96);
    border-bottom:1px solid transparent;
    transition:border-color .25s ease, box-shadow .25s ease;
  }
  .site-header.is-scrolled{
    border-bottom-color:var(--line);
    box-shadow:0 6px 18px rgba(14,15,18,.05);
  }
  .header-inner{
    position:relative;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:18px;
    min-height:68px;
  }
  .logo{
    display:inline-flex;
    align-items:center;
    gap:10px;
    flex-shrink:0;
  }
  .logo-mark{
    width:38px;height:38px;
    display:inline-flex;align-items:center;justify-content:center;
    background:var(--ink);
    color:var(--lime);
    border-radius:12px;
    font-size:17px;
  }
  .logo-text{
    font-size:19px;
    font-weight:900;
    letter-spacing:-.01em;
    line-height:1.05;
    display:inline-flex;
    align-items:baseline;
    gap:6px;
  }
  .logo-text small{
    font-size:15px;
    font-weight:800;
    color:var(--muted);
    letter-spacing:0;
  }
  .nav-links{
    display:flex;
    align-items:center;
    gap:24px;
    font-size:15px;
    font-weight:600;
  }
  .nav-links a{
    position:relative;
    padding:6px 0;
    color:#3B3A36;
    transition:color .2s ease;
  }
  .nav-links a::after{
    content:"";
    position:absolute;left:0;right:0;bottom:0;
    height:2px;background:var(--lime);
    transform:scaleX(0);
    transform-origin:left;
    transition:transform .22s cubic-bezier(.2,.7,.2,1);
  }
  .nav-links a:hover{color:var(--ink)}
  .nav-links a:hover::after{transform:scaleX(1)}
  .nav-links a.active{color:var(--ink);font-weight:800}
  .nav-links a.active::after{transform:scaleX(1)}

  .header-actions{display:flex;align-items:center;gap:10px}
  .nav-toggle{
    display:none;
    width:42px;height:42px;
    align-items:center;justify-content:center;
    border:1px solid var(--line);
    border-radius:12px;
    background:var(--card);
    font-size:17px;
  }
  @media (max-width:1023px){
    .nav-toggle{display:inline-flex}
    .nav-links{
      position:absolute;
      top:calc(100% + 1px);
      left:0;right:0;
      display:none;
      flex-direction:column;
      align-items:flex-start;
      gap:4px;
      padding:12px 20px 18px;
      background:var(--card);
      border-bottom:1px solid var(--line);
      box-shadow:var(--shadow-soft);
    }
    .nav-links.open{display:flex}
    .nav-links a{width:100%;padding:10px 0;border-bottom:1px solid var(--line)}
    .nav-links a:last-child{border-bottom:0}
  }
  @media (max-width:639px){
    .logo-text{font-size:16px;flex-direction:column;align-items:flex-start;gap:0;line-height:1.15}
    .logo-text small{font-size:13px}
    .logo-mark{width:34px;height:34px;border-radius:10px;font-size:15px}
    .header-actions .btn{display:none}
  }

  /* ============ buttons ============ */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    padding:12px 22px;
    border-radius:var(--radius-pill);
    font-size:15px;
    font-weight:800;
    line-height:1;
    border:1px solid var(--ink);
    transition:transform .2s cubic-bezier(.2,.7,.2,1),background-color .2s ease,color .2s ease,box-shadow .2s ease;
    white-space:nowrap;
  }
  .btn-primary{background:var(--lime);color:var(--ink)}
  .btn-primary:hover{background:var(--lime-deep);transform:translateY(-2px);box-shadow:var(--shadow-hard)}
  .btn-ghost{background:transparent;color:var(--ink)}
  .btn-ghost:hover{background:var(--ink);color:var(--paper);transform:translateY(-2px)}
  .btn-sm{padding:10px 18px;font-size:14px}
  .btn:active{transform:scale(.98)}
  .btn[disabled]{opacity:.4;pointer-events:none}

  /* ============ breadcrumb ============ */
  .crumb{
    display:flex;flex-wrap:wrap;align-items:center;gap:8px;
    font-size:13px;color:var(--muted);
    padding:20px 0 0;
  }
  .crumb a{color:var(--muted);transition:color .2s ease}
  .crumb a:hover{color:var(--ink)}
  .crumb .sep{color:#C7C2B8}
  .crumb .cur{color:var(--ink);font-weight:700}

  /* ============ category hero ============ */
  .cat-hero{padding:26px 0 40px}
  .hero-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:32px;
    align-items:center;
  }
  @media (min-width:1024px){
    .hero-grid{grid-template-columns:1fr 380px;gap:56px}
  }
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:12.5px;font-weight:700;letter-spacing:.2em;
    color:var(--muted);
    text-transform:none;
  }
  .eyebrow::before{content:"";width:24px;height:3px;background:var(--lime);border-radius:2px}
  .cat-hero h1{
    margin-top:16px;
    font-size:clamp(30px,6.4vw,58px);
    font-weight:900;
    line-height:1.08;
    letter-spacing:-.02em;
  }
  .cat-hero h1 em{
    font-style:normal;
    background:linear-gradient(transparent 62%, var(--lime) 62%);
    padding:0 4px;
  }
  .hero-sub{
    margin-top:18px;
    max-width:640px;
    font-size:17px;
    color:#3B3A36;
  }
  .hero-meta{
    display:flex;flex-wrap:wrap;align-items:center;gap:10px;
    margin-top:24px;
  }
  .pill{
    display:inline-flex;align-items:center;gap:7px;
    padding:8px 14px;
    font-size:13.5px;font-weight:700;
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--radius-pill);
    color:#3B3A36;
  }
  .pill i{color:var(--muted);font-size:12.5px}
  .pill.lime{background:var(--lime);border-color:var(--ink);color:var(--ink)}

  .hero-art{
    position:relative;
    border-radius:var(--radius-big);
    overflow:hidden;
    border:1px solid var(--line);
    background:var(--card);
    aspect-ratio:4/5;
  }
  .hero-art img{width:100%;height:100%;object-fit:cover}
  .hero-art::after{
    content:"";
    position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(14,15,18,0) 42%,rgba(14,15,18,.72) 100%);
  }
  .hero-art-cap{
    position:absolute;
    left:18px;right:18px;bottom:16px;
    z-index:2;
    color:var(--paper);
  }
  .hero-art-cap strong{display:block;font-size:17px;font-weight:800;line-height:1.35}
  .hero-art-cap span{display:block;font-size:13px;color:#D9D5CB;margin-top:4px}

  /* ============ sections ============ */
  .section{padding:56px 0}
  @media (min-width:1024px){
    .section{padding:96px 0}
  }
  .section-head{
    display:flex;flex-wrap:wrap;
    align-items:flex-end;justify-content:space-between;
    gap:16px;
    margin-bottom:32px;
  }
  .section-title{
    font-size:clamp(24px,4vw,40px);
    font-weight:800;
    line-height:1.15;
    letter-spacing:-.01em;
    position:relative;
    padding-left:18px;
  }
  .section-title::before{
    content:"";
    position:absolute;left:0;top:.18em;
    width:6px;height:.92em;
    background:var(--lime);
    border-radius:3px;
  }
  .section-desc{
    font-size:15px;color:var(--muted);
    max-width:520px;
    margin-top:10px;
  }
  .section-note{font-size:14px;color:var(--muted)}

  /* ============ pick list ============ */
  .pick-list{display:flex;flex-direction:column;gap:22px}
  .pick-item{
    display:grid;
    grid-template-columns:40% 1fr;
    gap:14px;
    padding:14px;
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--radius-vert);
    transition:transform .22s cubic-bezier(.2,.7,.2,1), box-shadow .22s ease, border-color .22s ease;
  }
  @media (min-width:1024px){
    .pick-item{
      grid-template-columns:340px 1fr;
      gap:32px;
      padding:22px;
      border-radius:var(--radius-big);
    }
  }
  .pick-item:hover{
    transform:translateY(-4px);
    border-color:var(--ink);
    box-shadow:var(--shadow-hardlg);
  }
  .pick-figure{
    position:relative;
    overflow:hidden;
    border-radius:14px;
    aspect-ratio:3/4;
    background:var(--paper);
  }
  @media (min-width:1024px){
    .pick-figure{aspect-ratio:4/3;border-radius:18px}
  }
  .pick-figure img{
    width:100%;height:100%;object-fit:cover;
    transition:transform .5s cubic-bezier(.2,.7,.2,1);
  }
  .pick-item:hover .pick-figure img{transform:scale(1.04)}
  .pick-no{
    position:absolute;top:10px;left:10px;
    min-width:34px;height:26px;
    display:inline-flex;align-items:center;justify-content:center;
    padding:0 8px;
    background:rgba(14,15,18,.86);
    color:var(--paper);
    font-size:12.5px;font-weight:800;
    border-radius:8px;
    font-variant-numeric:tabular-nums;
  }
  .pick-body{display:flex;flex-direction:column;gap:10px;padding:2px 2px 4px}
  @media (min-width:1024px){.pick-body{padding:6px 8px 8px 0}}
  .tagrow{display:flex;flex-wrap:wrap;gap:8px}
  .tag{
    display:inline-flex;align-items:center;
    padding:5px 11px;
    font-size:12.5px;font-weight:700;
    background:var(--paper);
    border:1px solid var(--line);
    border-radius:var(--radius-pill);
    color:#3B3A36;
    transition:background-color .2s ease,color .2s ease,border-color .2s ease;
  }
  .tag:hover{background:var(--ink);color:var(--paper);border-color:var(--ink)}
  .tag.solid{background:var(--lime);border-color:var(--ink);color:var(--ink)}
  .pick-title{
    font-size:19px;
    font-weight:800;
    line-height:1.32;
    letter-spacing:-.01em;
  }
  @media (min-width:1024px){.pick-title{font-size:24px}}
  .pick-title a{transition:color .2s ease}
  .pick-title a:hover{color:#3E4A16}
  .pick-desc{
    font-size:15px;
    color:#4A4842;
    line-height:1.7;
  }
  .pick-stats{
    display:flex;flex-wrap:wrap;gap:18px;
    margin-top:auto;
    padding-top:12px;
    border-top:1px solid var(--line);
  }
  .stat{display:flex;flex-direction:column;gap:2px}
  .stat b{font-size:15.5px;font-weight:800;font-variant-numeric:tabular-nums}
  .stat span{font-size:12px;color:var(--muted);letter-spacing:.04em}
  .pick-more{
    display:inline-flex;align-items:center;gap:8px;
    font-size:14px;font-weight:800;
    color:var(--ink);
    margin-top:4px;
  }
  .pick-more i{transition:transform .22s ease}
  .pick-item:hover .pick-more i{transform:translateX(4px)}

  /* ============ pager ============ */
  .pager{
    display:flex;align-items:center;justify-content:center;
    gap:10px;
    margin-top:44px;
    flex-wrap:wrap;
  }
  .page-btn{
    min-width:44px;height:44px;
    display:inline-flex;align-items:center;justify-content:center;
    padding:0 14px;
    font-size:14.5px;font-weight:800;
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--radius-pill);
    font-variant-numeric:tabular-nums;
    transition:transform .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
  }
  .page-btn:hover{border-color:var(--ink);transform:translateY(-2px)}
  .page-btn.active{background:var(--ink);color:var(--paper);border-color:var(--ink)}
  .page-btn.wide{letter-spacing:.02em}

  /* ============ faq ============ */
  .faq-wrap{max-width:820px;margin:0 auto}
  .faq-item{border-bottom:1px solid var(--line)}
  .faq-item:first-child{border-top:1px solid var(--line)}
  .faq-q{
    width:100%;
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:22px 0;
    text-align:left;
    font-size:17px;
    font-weight:700;
    line-height:1.5;
    transition:color .2s ease;
  }
  .faq-q:hover{color:#3E4A16}
  .faq-icon{
    flex-shrink:0;
    width:26px;height:26px;
    display:inline-flex;align-items:center;justify-content:center;
    font-size:14px;
    font-weight:800;
    color:var(--ink);
    background:var(--paper);
    border:1px solid var(--line);
    border-radius:50%;
    transition:background-color .2s ease,transform .25s ease;
  }
  .faq-item.open .faq-icon{background:var(--lime);border-color:var(--ink)}
  .faq-a{
    max-height:0;
    overflow:hidden;
    opacity:0;
    transition:max-height .32s ease,opacity .3s ease;
  }
  .faq-item.open .faq-a{opacity:1}
  .faq-a p{
    padding:0 0 22px;
    font-size:15.5px;
    color:#4A4842;
    line-height:1.8;
    max-width:700px;
  }

  /* ============ cta ============ */
  .cta-band{
    background:var(--ink);
    color:var(--paper);
    border-radius:24px;
    padding:38px 24px;
    position:relative;
    overflow:hidden;
  }
  @media (min-width:1024px){
    .cta-band{padding:64px 56px;border-radius:28px}
  }
  .cta-band::before{
    content:"";
    position:absolute;inset:0;
    background-image:linear-gradient(rgba(247,245,240,.06) 1px,transparent 1px),
                     linear-gradient(90deg,rgba(247,245,240,.06) 1px,transparent 1px);
    background-size:44px 44px;
    pointer-events:none;
  }
  .cta-inner{
    position:relative;
    display:grid;
    grid-template-columns:1fr;
    gap:26px;
    align-items:center;
  }
  @media (min-width:1024px){
    .cta-inner{grid-template-columns:1fr auto;gap:48px}
  }
  .cta-inner h2{
    font-size:clamp(24px,3.6vw,38px);
    font-weight:900;
    line-height:1.18;
    letter-spacing:-.01em;
  }
  .cta-inner p{
    margin-top:14px;
    font-size:15.5px;
    color:#C9C4BA;
    max-width:560px;
  }
  .cta-actions{display:flex;flex-wrap:wrap;gap:14px}
  .cta-actions .btn-ghost{color:var(--paper);border-color:rgba(247,245,240,.4)}
  .cta-actions .btn-ghost:hover{background:var(--paper);color:var(--ink);border-color:var(--paper)}

  /* ============ footer ============ */
  .site-footer{
    background:var(--ink);
    color:var(--paper);
    margin-top:64px;
    padding:56px 0 32px;
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:34px;
  }
  @media (min-width:640px){
    .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  }
  @media (min-width:1024px){
    .footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:44px}
  }
  .footer-brand p{
    margin-top:16px;
    font-size:14.5px;
    color:#9C988F;
    max-width:340px;
    line-height:1.8;
  }
  .site-footer h4{
    font-size:14px;
    font-weight:800;
    letter-spacing:.06em;
    color:var(--paper);
    margin-bottom:16px;
  }
  .footer-list li{margin-bottom:10px}
  .footer-list a{
    font-size:14.5px;
    color:#9C988F;
    transition:color .2s ease;
  }
  .footer-list a:hover{color:var(--lime)}
  .footer-bottom{
    display:flex;flex-wrap:wrap;gap:12px;
    justify-content:space-between;
    margin-top:42px;
    padding-top:22px;
    border-top:1px solid rgba(247,245,240,.12);
    font-size:13px;
    color:#8A867E;
  }

  /* ============ mobile tabbar ============ */
  .tabbar{
    position:fixed;
    left:0;right:0;bottom:0;
    z-index:70;
    display:grid;
    grid-template-columns:repeat(5,1fr);
    background:rgba(247,245,240,.98);
    border-top:1px solid var(--line);
    padding-bottom:env(safe-area-inset-bottom);
  }
  .tab-item{
    position:relative;
    display:flex;flex-direction:column;align-items:center;justify-content:center;
    gap:3px;
    height:62px;
    font-size:11.5px;
    font-weight:700;
    color:var(--muted);
    transition:color .2s ease;
  }
  .tab-item i{font-size:17px;transition:transform .2s ease}
  .tab-item.active{color:var(--ink)}
  .tab-item.active i{transform:scale(1.08)}
  .tab-item.active::before{
    content:"";
    position:absolute;top:0;left:50%;
    transform:translateX(-50%);
    width:26px;height:2px;
    background:var(--lime);
  }
  .tab-item:active i{transform:scale(.94)}
  @media (min-width:1024px){
    .tabbar{display:none}
  }
  body{padding-bottom:calc(62px + env(safe-area-inset-bottom))}
  @media (min-width:1024px){
    body{padding-bottom:0}
  }

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

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

/* roulang page: category1 */
:root{
    --ink:#0E0F12;
    --ink-2:#1A1C21;
    --paper:#F7F5F0;
    --card:#FFFFFF;
    --lime:#C6F24E;
    --lime-deep:#A8D92F;
    --clay:#FF6B4A;
    --line:#E4E0D7;
    --muted:#6E6B64;
    --r-sm:12px;
    --r-md:16px;
    --r-lg:18px;
    --r-xl:22px;
    --shadow-hover:0 6px 0 rgba(14,15,18,.9);
    --ease:cubic-bezier(.2,.7,.2,1);
  }

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

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

  body{
    margin:0;
    background:var(--paper);
    color:var(--ink);
    font-family:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
    padding-bottom:calc(62px + env(safe-area-inset-bottom));
  }

  @media (min-width:1024px){
    body{padding-bottom:0}
  }

  img{display:block;max-width:100%;height:auto}
  a{color:inherit;text-decoration:none}
  button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
  ul,ol{margin:0;padding:0;list-style:none}
  h1,h2,h3,h4,p{margin:0}
  input,textarea,select{font:inherit}

  .num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

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

  /* ---------- 顶部导航 ---------- */
  .site-header{
    position:sticky;
    top:0;
    z-index:60;
    background:var(--paper);
    border-bottom:1px solid transparent;
    transition:border-color .25s ease, box-shadow .25s ease;
  }
  .site-header.is-scrolled{
    border-bottom-color:var(--line);
    box-shadow:0 2px 0 rgba(14,15,18,.04);
  }
  .header-inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    min-height:68px;
  }

  .logo{
    display:inline-flex;
    align-items:center;
    gap:10px;
    flex-shrink:0;
  }
  .logo-mark{
    width:36px;
    height:36px;
    border-radius:11px;
    background:var(--lime);
    border:1px solid var(--ink);
    display:inline-flex;
    align-items:center;
    justify-content:center;
    color:var(--ink);
    font-size:16px;
    flex-shrink:0;
  }
  .logo-text{
    display:flex;
    align-items:baseline;
    gap:6px;
    font-size:17px;
    font-weight:800;
    letter-spacing:-.01em;
    line-height:1.1;
  }
  .logo-text small{
    font-size:12px;
    font-weight:600;
    letter-spacing:.08em;
    color:var(--muted);
  }

  .nav-links{
    align-items:center;
    gap:4px;
  }
  .nav-links a{
    display:inline-block;
    padding:8px 12px;
    border-radius:999px;
    font-size:14.5px;
    font-weight:600;
    color:var(--ink-2);
    white-space:nowrap;
    transition:background .2s var(--ease), color .2s var(--ease);
  }
  .nav-links a:hover{background:#EFEBE1}
  .nav-links a.active{
    background:var(--ink);
    color:var(--paper);
  }
  .nav-links a:focus-visible{
    outline:2px solid var(--lime);
    outline-offset:2px;
  }

  .header-cta{display:none}

  .nav-toggle{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:42px;
    height:42px;
    border:1px solid var(--ink);
    border-radius:12px;
    background:var(--card);
    font-size:16px;
    transition:background .2s var(--ease), color .2s var(--ease);
  }
  .nav-toggle:hover{background:var(--ink);color:var(--paper)}

  @media (max-width:1023px){
    .nav-links{display:none}
    .site-header.is-open .nav-links{
      display:flex;
      flex-direction:column;
      align-items:stretch;
      position:absolute;
      top:100%;
      left:0;
      right:0;
      background:var(--paper);
      border-bottom:1px solid var(--line);
      padding:12px 20px 18px;
      gap:2px;
      box-shadow:0 8px 0 rgba(14,15,18,.06);
    }
    .site-header.is-open .nav-links a{
      padding:12px 14px;
      border-radius:12px;
      font-size:16px;
    }
    .site-header.is-open .nav-links a:hover{background:#EFEBE1}
  }

  @media (min-width:1024px){
    .nav-links{display:flex}
    .nav-toggle{display:none}
    .header-cta{display:inline-flex}
  }

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    padding:13px 24px;
    border-radius:999px;
    font-size:15px;
    font-weight:700;
    letter-spacing:.01em;
    border:1px solid var(--ink);
    transition:transform .18s var(--ease), background .18s var(--ease), color .18s var(--ease), box-shadow .18s var(--ease);
    white-space:nowrap;
  }
  .btn-primary{
    background:var(--lime);
    color:var(--ink);
    box-shadow:0 3px 0 rgba(14,15,18,.85);
  }
  .btn-primary:hover{
    background:var(--lime-deep);
    transform:translateY(-2px);
    box-shadow:0 5px 0 rgba(14,15,18,.85);
  }
  .btn-ghost{
    background:transparent;
    color:var(--ink);
  }
  .btn-ghost:hover{
    background:var(--ink);
    color:var(--paper);
    transform:translateY(-2px);
  }
  .btn:active{transform:scale(.98)}
  .btn:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
  .btn[disabled]{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}
  .btn-sm{padding:10px 18px;font-size:14px}

  .btn-on-dark{
    background:var(--lime);
    color:var(--ink);
    border-color:var(--lime);
  }
  .btn-on-dark:hover{background:#fff;border-color:#fff}

  /* ---------- 面包屑 ---------- */
  .breadcrumb{
    padding:22px 0 4px;
  }
  .breadcrumb ol{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:8px;
    font-size:13px;
    color:var(--muted);
  }
  .breadcrumb li{display:inline-flex;align-items:center;gap:8px}
  .breadcrumb a{color:var(--muted);transition:color .2s var(--ease)}
  .breadcrumb a:hover{color:var(--ink)}
  .breadcrumb .sep{color:#B9B4A9}
  .breadcrumb [aria-current="page"]{color:var(--ink);font-weight:600}

  /* ---------- 分类头 ---------- */
  .cat-hero{
    position:relative;
    margin-top:18px;
    background:var(--ink);
    color:var(--paper);
    border-radius:var(--r-xl);
    overflow:hidden;
    padding:56px 24px 48px;
  }
  .cat-hero::before{
    content:"";
    position:absolute;
    inset:0;
    background-image:url("/assets/images/backpic/back-1.webp");
    background-size:cover;
    background-position:center;
    opacity:.22;
  }
  .cat-hero::after{
    content:"";
    position:absolute;
    inset:0;
    background-image:linear-gradient(to right,rgba(247,245,240,.07) 1px,transparent 1px);
    background-size:72px 100%;
    opacity:.5;
    pointer-events:none;
  }
  .cat-hero-inner{position:relative;z-index:2;max-width:760px}
  .eyebrow{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:12.5px;
    font-weight:600;
    letter-spacing:.2em;
    color:var(--lime);
    text-transform:none;
  }
  .eyebrow::before{
    content:"";
    width:22px;
    height:3px;
    background:var(--lime);
    border-radius:2px;
  }
  .cat-hero h1{
    margin-top:18px;
    font-size:clamp(30px,5.4vw,54px);
    font-weight:900;
    line-height:1.06;
    letter-spacing:-.02em;
  }
  .cat-hero h1 em{
    font-style:normal;
    color:var(--lime);
  }
  .cat-hero p{
    margin-top:18px;
    font-size:16.5px;
    line-height:1.8;
    color:#D8D4CB;
    max-width:60ch;
  }
  .hero-meta{
    display:flex;
    flex-wrap:wrap;
    gap:10px;
    margin-top:26px;
  }
  .hero-chip{
    display:inline-flex;
    align-items:center;
    gap:8px;
    padding:8px 14px;
    border-radius:999px;
    border:1px solid rgba(247,245,240,.28);
    font-size:13.5px;
    font-weight:600;
    color:#EDEAE3;
  }
  .hero-chip i{color:var(--lime)}

  /* ---------- 区块通用 ---------- */
  .section{padding:64px 0}
  @media (min-width:1024px){
    .section{padding:96px 0}
  }
  .section-head{
    display:flex;
    flex-wrap:wrap;
    align-items:flex-end;
    justify-content:space-between;
    gap:16px;
    margin-bottom:32px;
  }
  .section-title{
    position:relative;
    padding-left:20px;
    font-size:clamp(24px,4vw,40px);
    font-weight:800;
    line-height:1.15;
    letter-spacing:-.01em;
  }
  .section-title::before{
    content:"";
    position:absolute;
    left:0;
    top:.18em;
    width:6px;
    height:.86em;
    background:var(--lime);
    border-radius:3px;
  }
  .section-sub{
    margin-top:10px;
    padding-left:20px;
    font-size:15px;
    color:var(--muted);
    max-width:60ch;
  }
  .section-link{
    font-size:14px;
    font-weight:700;
    border-bottom:2px solid var(--lime);
    padding-bottom:2px;
    transition:color .2s var(--ease),border-color .2s var(--ease);
  }
  .section-link:hover{color:var(--lime-deep);border-color:var(--ink)}

  /* ---------- 竖屏封面网格 ---------- */
  .card-grid{
    display:grid;
    gap:20px;
    grid-template-columns:repeat(2,1fr);
  }
  @media (min-width:640px){
    .card-grid{grid-template-columns:repeat(3,1fr);gap:22px}
  }
  @media (min-width:1024px){
    .card-grid{grid-template-columns:repeat(4,1fr);gap:26px}
  }

  .v-card{
    position:relative;
    display:flex;
    flex-direction:column;
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    overflow:hidden;
    transition:transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
  }
  .v-card:hover{
    transform:translateY(-4px);
    box-shadow:var(--shadow-hover);
    border-color:var(--ink);
  }
  .v-card:focus-visible{outline:2px solid var(--lime);outline-offset:3px}
  .v-thumb{
    position:relative;
    aspect-ratio:3/4;
    overflow:hidden;
    background:#EFEBE1;
  }
  .v-thumb img{
    width:100%;
    height:100%;
    object-fit:cover;
    transition:transform .35s var(--ease);
  }
  .v-card:hover .v-thumb img{transform:scale(1.04)}
  .badge-num{
    position:absolute;
    top:10px;
    left:10px;
    z-index:2;
    min-width:34px;
    text-align:center;
    padding:4px 9px;
    border-radius:999px;
    background:var(--lime);
    border:1px solid var(--ink);
    color:var(--ink);
    font-size:12.5px;
    font-weight:800;
    letter-spacing:.04em;
  }
  .v-body{
    padding:14px 14px 16px;
    display:flex;
    flex-direction:column;
    gap:8px;
    flex:1;
  }
  .v-title{
    font-size:16.5px;
    font-weight:700;
    line-height:1.4;
    letter-spacing:-.005em;
  }
  .v-desc{
    font-size:13.5px;
    line-height:1.65;
    color:var(--muted);
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
    overflow:hidden;
  }
  .v-foot{
    margin-top:auto;
    padding-top:10px;
    border-top:1px solid var(--line);
    display:flex;
    align-items:center;
    justify-content:space-between;
    font-size:12.5px;
    color:var(--muted);
    font-weight:600;
  }
  .v-foot i{color:var(--clay)}

  /* ---------- 提示条 ---------- */
  .note-bar{
    display:flex;
    align-items:flex-start;
    gap:12px;
    margin-bottom:28px;
    padding:16px 18px;
    background:#EFEBE1;
    border:1px solid var(--line);
    border-left:4px solid var(--lime);
    border-radius:var(--r-sm);
    font-size:14.5px;
    color:var(--ink-2);
  }
  .note-bar i{color:var(--ink);margin-top:3px}

  /* ---------- 分页 / 加载更多 ---------- */
  .pager-wrap{
    margin-top:44px;
    display:flex;
    flex-direction:column;
    align-items:center;
    gap:22px;
  }
  .pager{
    display:flex;
    flex-wrap:wrap;
    justify-content:center;
    gap:8px;
  }
  .page-pill{
    min-width:42px;
    height:42px;
    padding:0 16px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    border:1px solid var(--line);
    border-radius:999px;
    background:var(--card);
    font-size:14.5px;
    font-weight:700;
    color:var(--ink-2);
    transition:background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
  }
  .page-pill:hover{background:var(--ink);color:var(--paper);border-color:var(--ink)}
  .page-pill.is-current{
    background:var(--lime);
    border-color:var(--ink);
    color:var(--ink);
  }

  /* ---------- FAQ ---------- */
  .faq-list{
    max-width:820px;
    margin:0 auto;
    border-top:1px solid var(--line);
  }
  .faq-item{border-bottom:1px solid var(--line)}
  .faq-q{
    width:100%;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:18px;
    padding:22px 2px;
    text-align:left;
    font-size:17px;
    font-weight:700;
    line-height:1.5;
    transition:color .2s var(--ease);
  }
  .faq-q:hover{color:var(--lime-deep)}
  .faq-q:focus-visible{outline:2px solid var(--lime);outline-offset:3px}
  .faq-icon{
    flex-shrink:0;
    width:28px;
    height:28px;
    border:1px solid var(--ink);
    border-radius:50%;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    font-size:14px;
    font-weight:700;
    transition:background .2s var(--ease), color .2s var(--ease), transform .3s var(--ease);
  }
  .faq-item.is-open .faq-icon{
    background:var(--lime);
    color:var(--ink);
    transform:rotate(180deg);
  }
  .faq-a{
    max-height:0;
    overflow:hidden;
    opacity:0;
    transition:max-height .38s var(--ease), opacity .3s var(--ease);
  }
  .faq-item.is-open .faq-a{opacity:1}
  .faq-a p{
    padding:0 2px 24px;
    font-size:15.5px;
    line-height:1.85;
    color:var(--muted);
    max-width:64ch;
  }

  /* ---------- CTA ---------- */
  .cta-block{
    position:relative;
    background:var(--ink);
    color:var(--paper);
    border-radius:var(--r-xl);
    padding:52px 24px;
    overflow:hidden;
  }
  .cta-block::before{
    content:"";
    position:absolute;
    inset:0;
    background-image:repeating-linear-gradient(90deg,rgba(247,245,240,.06) 0 1px,transparent 1px 80px);
    pointer-events:none;
  }
  .cta-inner{
    position:relative;
    z-index:2;
    display:flex;
    flex-direction:column;
    gap:26px;
  }
  .cta-block h2{
    font-size:clamp(24px,3.6vw,38px);
    font-weight:800;
    line-height:1.18;
    letter-spacing:-.01em;
  }
  .cta-block p{
    margin-top:14px;
    font-size:15.5px;
    line-height:1.8;
    color:#D8D4CB;
    max-width:52ch;
  }
  @media (min-width:900px){
    .cta-block{padding:64px 56px}
    .cta-inner{flex-direction:row;align-items:center;justify-content:space-between}
  }

  /* ---------- 页脚 ---------- */
  .site-footer{
    margin-top:72px;
    background:var(--ink);
    color:#D8D4CB;
    padding:56px 0 0;
  }
  @media (min-width:1024px){
    .site-footer{margin-top:96px;padding-top:72px}
  }
  .footer-grid{
    display:grid;
    gap:36px;
    grid-template-columns:1fr;
  }
  @media (min-width:640px){
    .footer-grid{grid-template-columns:repeat(2,1fr)}
  }
  @media (min-width:1024px){
    .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
  }
  .footer-brand p{
    margin-top:16px;
    font-size:14.5px;
    line-height:1.85;
    color:#9C988F;
    max-width:38ch;
  }
  .site-footer h4{
    font-size:14px;
    font-weight:700;
    color:var(--paper);
    letter-spacing:.06em;
    margin-bottom:16px;
  }
  .footer-list li{margin-bottom:12px}
  .footer-list a,
  .footer-list span{
    font-size:14.5px;
    color:#B9B4A9;
    transition:color .2s var(--ease);
  }
  .footer-list a:hover{color:var(--lime)}
  .footer-bottom{
    margin-top:48px;
    padding:22px 0 26px;
    border-top:1px solid rgba(247,245,240,.12);
    display:flex;
    flex-wrap:wrap;
    gap:10px 24px;
    justify-content:space-between;
    font-size:13px;
    color:#8D897F;
  }

  /* ---------- 移动底部 Tab ---------- */
  .mobile-tabbar{
    position:fixed;
    left:0;
    right:0;
    bottom:0;
    z-index:70;
    display:flex;
    background:var(--paper);
    border-top:1px solid var(--line);
    padding-bottom:env(safe-area-inset-bottom);
    box-shadow:0 -2px 0 rgba(14,15,18,.04);
  }
  .mobile-tabbar a{
    position:relative;
    flex:1 1 0;
    min-height:62px;
    display:flex;
    flex-direction:column;
    align-items:center;
    justify-content:center;
    gap:4px;
    font-size:11.5px;
    font-weight:600;
    color:var(--muted);
    transition:color .2s var(--ease);
  }
  .mobile-tabbar a i{
    font-size:17px;
    transition:transform .2s var(--ease);
  }
  .mobile-tabbar a.is-active{color:var(--ink)}
  .mobile-tabbar a.is-active i{transform:scale(1.08)}
  .mobile-tabbar a.is-active::before{
    content:"";
    position:absolute;
    top:0;
    left:50%;
    transform:translateX(-50%);
    width:26px;
    height:2px;
    background:var(--lime);
    border-radius:0 0 2px 2px;
  }
  .mobile-tabbar a:focus-visible{outline:2px solid var(--lime);outline-offset:-2px}

  @media (min-width:1024px){
    .mobile-tabbar{display:none}
  }

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

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

/* roulang page: category3 */
:root{
    --ink:#0E0F12;
    --ink-2:#1A1C21;
    --paper:#F7F5F0;
    --card:#FFFFFF;
    --lime:#C6F24E;
    --lime-deep:#A8D92F;
    --clay:#FF6B4A;
    --line:#E4E0D7;
    --muted:#6E6B64;
    --r-shot:18px;
    --r-card:16px;
    --r-lg:22px;
    --shadow-hard:0 4px 0 var(--ink);
    --shadow-hard-lg:0 6px 0 rgba(14,15,18,.9);
    --ease:cubic-bezier(.2,.7,.2,1);
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--paper);
    color:var(--ink);
    font-family:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
    font-size:16.5px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  img{max-width:100%;display:block;height:auto;}
  a{color:inherit;text-decoration:none;}
  button{font:inherit;color:inherit;background:none;border:none;cursor:pointer;}
  input{font:inherit;}
  ul,ol{margin:0;padding:0;list-style:none;}
  h1,h2,h3,h4,p{margin:0;}
  .num,.tabular{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

  :focus-visible{outline:2px solid var(--lime);outline-offset:2px;}

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

  /* ---------- 顶部导航 ---------- */
  .site-header{
    position:sticky;
    top:0;
    z-index:60;
    background:var(--paper);
    border-bottom:1px solid transparent;
    transition:border-color .25s var(--ease), box-shadow .25s var(--ease);
  }
  .site-header.is-scrolled{
    border-bottom-color:var(--line);
    box-shadow:0 1px 0 rgba(14,15,18,.04), 0 6px 18px -14px rgba(14,15,18,.35);
  }
  .header-inner{
    height:68px;
    display:flex;
    align-items:center;
    gap:18px;
  }
  .logo{
    display:inline-flex;
    align-items:center;
    gap:10px;
    flex-shrink:0;
  }
  .logo-mark{
    width:36px;height:36px;
    display:grid;place-items:center;
    background:var(--ink);
    color:var(--lime);
    border-radius:11px;
    font-size:16px;
    flex-shrink:0;
  }
  .logo-text{
    font-weight:900;
    font-size:19px;
    letter-spacing:-.01em;
    line-height:1.1;
    display:flex;
    flex-direction:column;
  }
  .logo-text small{
    font-size:11px;
    font-weight:600;
    letter-spacing:.28em;
    color:var(--muted);
    margin-top:2px;
  }
  .nav-links{
    display:none;
    align-items:center;
    gap:4px;
    margin-left:auto;
  }
  .nav-links a{
    position:relative;
    font-size:14.5px;
    font-weight:600;
    color:#3C3A35;
    padding:8px 12px;
    border-radius:999px;
    transition:color .2s var(--ease), background .2s var(--ease);
    white-space:nowrap;
  }
  .nav-links a:hover{color:var(--ink);background:#EDEAE1;}
  .nav-links a.active{color:var(--ink);background:var(--lime);}
  .header-cta{display:none;margin-left:10px;}
  @media (min-width:1024px){
    .nav-links{display:flex;}
    .header-cta{display:inline-flex;}
    .menu-toggle{display:none;}
  }
  .menu-toggle{
    margin-left:auto;
    width:42px;height:42px;
    display:grid;place-items:center;
    border:1px solid var(--line);
    border-radius:12px;
    background:var(--card);
    font-size:17px;
    transition:background .2s var(--ease);
  }
  .menu-toggle:hover{background:#EDEAE1;}
  .mobile-drawer{
    display:none;
    border-top:1px solid var(--line);
    background:var(--paper);
    padding:14px 0 20px;
  }
  .mobile-drawer.open{display:block;}
  .mobile-drawer a{
    display:block;
    padding:12px 14px;
    border-radius:12px;
    font-size:15.5px;
    font-weight:600;
    color:#3C3A35;
    transition:background .2s var(--ease);
  }
  .mobile-drawer a:hover{background:#EDEAE1;}
  .mobile-drawer a.active{background:var(--lime);color:var(--ink);}
  .mobile-drawer .drawer-cta{margin-top:12px;}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    font-size:15px;
    font-weight:700;
    padding:11px 22px;
    border-radius:999px;
    border:1px solid var(--ink);
    transition:transform .18s var(--ease), background .18s var(--ease), color .18s var(--ease), box-shadow .18s var(--ease);
    cursor:pointer;
    line-height:1.2;
    white-space:nowrap;
  }
  .btn-primary{background:var(--lime);color:var(--ink);}
  .btn-primary:hover{background:var(--lime-deep);transform:translateY(-2px);box-shadow:var(--shadow-hard);}
  .btn-ghost{background:transparent;color:var(--ink);}
  .btn-ghost:hover{background:var(--ink);color:var(--paper);transform:translateY(-2px);}
  .btn-light{background:transparent;color:#F7F5F0;border-color:#F7F5F0;}
  .btn-light:hover{background:#F7F5F0;color:var(--ink);transform:translateY(-2px);}
  .btn:active{transform:scale(.98);}
  .btn-sm{padding:8px 16px;font-size:14px;}
  .btn[disabled]{opacity:.4;pointer-events:none;}

  /* ---------- 通用排版 ---------- */
  .eyebrow{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:12.5px;
    font-weight:600;
    letter-spacing:.2em;
    color:var(--muted);
    text-transform:none;
  }
  .eyebrow::before{
    content:"";
    width:24px;height:2px;
    background:var(--lime);
    display:inline-block;
  }
  .section{padding:64px 0;}
  @media (min-width:1024px){.section{padding:96px 0;}}
  .section-title{
    display:flex;
    align-items:flex-start;
    gap:12px;
    font-size:clamp(24px,4vw,40px);
    font-weight:800;
    line-height:1.15;
    letter-spacing:-.015em;
  }
  .section-title::before{
    content:"";
    flex:0 0 24px;
    width:24px;height:4px;
    margin-top:16px;
    background:var(--lime);
    border-radius:2px;
  }
  .section-sub{
    color:var(--muted);
    font-size:15.5px;
    margin-top:14px;
    max-width:640px;
  }
  .section-head{margin-bottom:36px;}
  @media (min-width:1024px){.section-head{margin-bottom:48px;}}

  /* ---------- 面包屑 ---------- */
  .breadcrumb{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:8px;
    font-size:13px;
    color:var(--muted);
    padding:18px 0 0;
  }
  .breadcrumb a{transition:color .2s var(--ease);}
  .breadcrumb a:hover{color:var(--ink);text-decoration:underline;text-underline-offset:3px;}
  .breadcrumb .sep{opacity:.5;}
  .breadcrumb .current{color:var(--ink);font-weight:600;}

  /* ---------- 分类头 ---------- */
  .cat-hero{
    position:relative;
    margin-top:22px;
    border-radius:var(--r-lg);
    overflow:hidden;
    background:var(--ink);
    color:#F7F5F0;
    border:1px solid var(--ink);
  }
  .cat-hero-bg{
    position:absolute;
    inset:0;
    background-image:url('/assets/images/backpic/back-2.png');
    background-size:cover;
    background-position:center;
    opacity:.24;
  }
  .cat-hero-grid{
    position:absolute;inset:0;
    background-image:linear-gradient(to right, rgba(247,245,240,.08) 1px, transparent 1px),
                     linear-gradient(to bottom, rgba(247,245,240,.08) 1px, transparent 1px);
    background-size:56px 56px;
    mask-image:linear-gradient(to bottom, rgba(0,0,0,.9), transparent 85%);
  }
  .cat-hero-inner{
    position:relative;
    padding:44px 24px 40px;
  }
  @media (min-width:768px){.cat-hero-inner{padding:56px 44px 52px;}}
  @media (min-width:1024px){.cat-hero-inner{padding:68px 56px 60px;}}
  .cat-hero h1{
    font-size:clamp(32px,7vw,60px);
    font-weight:900;
    line-height:1.04;
    letter-spacing:-.02em;
    margin-top:16px;
  }
  .cat-hero h1 em{
    font-style:normal;
    color:var(--lime);
  }
  .cat-hero p.lead{
    margin-top:18px;
    color:#D5D2CA;
    font-size:16px;
    max-width:640px;
  }
  .hero-facts{
    display:flex;
    flex-wrap:wrap;
    gap:12px;
    margin-top:28px;
  }
  .hero-fact{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:13.5px;
    font-weight:600;
    padding:8px 15px;
    border-radius:999px;
    border:1px solid rgba(247,245,240,.28);
    color:#EDEAE1;
  }
  .hero-fact i{color:var(--lime);}

  /* ---------- 筛选标签 ---------- */
  .chip-row{
    display:flex;
    gap:10px;
    overflow-x:auto;
    padding:22px 0 6px;
    scrollbar-width:none;
  }
  .chip-row::-webkit-scrollbar{display:none;}
  .chip{
    flex:0 0 auto;
    font-size:13.5px;
    font-weight:600;
    padding:8px 16px;
    border-radius:999px;
    background:#EFECE3;
    color:var(--ink);
    border:1px solid transparent;
    transition:background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
    cursor:pointer;
  }
  .chip:hover{background:var(--ink);color:var(--paper);}
  .chip.active{background:var(--lime);border-color:var(--ink);}

  /* ---------- Masonry 错落流 ---------- */
  .masonry{
    column-count:1;
    column-gap:24px;
  }
  @media (min-width:768px){.masonry{column-count:2;}}
  @media (min-width:1024px){.masonry{column-count:3;column-gap:26px;}}
  .m-card{
    break-inside:avoid;
    -webkit-column-break-inside:avoid;
    page-break-inside:avoid;
    display:block;
    margin-bottom:24px;
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--r-shot);
    overflow:hidden;
    transition:transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease);
  }
  .m-card:hover{
    transform:translateY(-4px);
    box-shadow:var(--shadow-hard);
    border-color:var(--ink);
  }
  .m-media{
    position:relative;
    overflow:hidden;
    background:#E9E5DB;
  }
  .m-media img{
    width:100%;height:100%;
    object-fit:cover;
    transition:transform .35s var(--ease);
  }
  .m-card:hover .m-media img{transform:scale(1.04);}
  .ratio-tall{aspect-ratio:3/4;}
  .ratio-square{aspect-ratio:1/1;}
  .ratio-wide{aspect-ratio:4/3;}
  .ratio-cine{aspect-ratio:16/10;}
  .m-tag{
    position:absolute;
    top:12px;left:12px;
    background:rgba(14,15,18,.78);
    color:#F7F5F0;
    font-size:12px;
    font-weight:600;
    padding:5px 11px;
    border-radius:999px;
    letter-spacing:.04em;
  }
  .m-flag{
    position:absolute;
    top:12px;right:12px;
    background:var(--clay);
    color:#FFF;
    font-size:12px;
    font-weight:700;
    padding:5px 10px;
    border-radius:999px;
  }
  .m-body{padding:20px 20px 22px;}
  .m-title{
    font-size:19px;
    font-weight:700;
    line-height:1.35;
    letter-spacing:-.01em;
  }
  .m-text{
    margin-top:10px;
    font-size:14.5px;
    color:var(--muted);
    line-height:1.7;
  }
  .m-steps{
    margin-top:14px;
    border-top:1px solid var(--line);
  }
  .m-steps li{
    display:flex;
    gap:10px;
    padding:9px 0;
    border-bottom:1px solid var(--line);
    font-size:14px;
    color:#3C3A35;
  }
  .m-steps li:last-child{border-bottom:none;}
  .m-steps .step-no{
    flex:0 0 auto;
    width:22px;height:22px;
    border-radius:6px;
    background:var(--lime);
    color:var(--ink);
    font-size:12px;
    font-weight:800;
    display:grid;place-items:center;
    margin-top:2px;
  }
  .m-meta{
    display:flex;
    align-items:center;
    gap:14px;
    margin-top:16px;
    padding-top:14px;
    border-top:1px solid var(--line);
    font-size:12.5px;
    color:var(--muted);
    font-variant-numeric:tabular-nums;
  }
  .m-meta span{display:inline-flex;align-items:center;gap:6px;}
  .m-meta i{color:var(--ink);opacity:.55;}

  /* ---------- 分页 ---------- */
  .pagination{
    display:flex;
    align-items:center;
    justify-content:center;
    gap:10px;
    margin-top:44px;
    flex-wrap:wrap;
  }
  .page-dot{
    min-width:42px;height:42px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    padding:0 14px;
    border-radius:999px;
    border:1px solid var(--line);
    background:var(--card);
    font-size:14.5px;
    font-weight:700;
    color:#3C3A35;
    transition:background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease), transform .2s var(--ease);
    font-variant-numeric:tabular-nums;
  }
  .page-dot:hover{background:var(--ink);color:var(--paper);border-color:var(--ink);transform:translateY(-2px);}
  .page-dot.active{background:var(--lime);border-color:var(--ink);color:var(--ink);}
  .page-dot.disabled{opacity:.4;pointer-events:none;}

  /* ---------- FAQ ---------- */
  .faq-wrap{max-width:820px;margin:0 auto;}
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-item:first-child{border-top:1px solid var(--line);}
  .faq-q{
    width:100%;
    display:flex;
    align-items:flex-start;
    justify-content:space-between;
    gap:18px;
    text-align:left;
    padding:22px 4px;
    font-size:17px;
    font-weight:700;
    line-height:1.5;
    transition:color .2s var(--ease);
  }
  .faq-q:hover{color:#000;}
  .faq-icon{
    flex:0 0 auto;
    width:26px;height:26px;
    display:grid;place-items:center;
    border-radius:8px;
    background:var(--lime);
    color:var(--ink);
    font-size:13px;
    transition:transform .25s var(--ease), background .25s var(--ease);
    margin-top:2px;
  }
  .faq-item.open .faq-icon{background:var(--ink);color:var(--lime);transform:rotate(180deg);}
  .faq-a{
    max-height:0;
    overflow:hidden;
    transition:max-height .34s var(--ease), opacity .3s var(--ease);
    opacity:0;
  }
  .faq-item.open .faq-a{opacity:1;}
  .faq-a-inner{
    padding:0 4px 24px;
    color:var(--muted);
    font-size:15.5px;
    line-height:1.8;
  }
  .faq-a-inner strong{color:var(--ink);font-weight:700;}

  /* ---------- CTA ---------- */
  .cta-band{
    position:relative;
    background:var(--ink);
    color:#F7F5F0;
    border-radius:var(--r-lg);
    overflow:hidden;
    padding:44px 24px;
  }
  @media (min-width:768px){.cta-band{padding:56px 48px;}}
  .cta-grid-lines{
    position:absolute;inset:0;
    background-image:linear-gradient(to right, rgba(247,245,240,.07) 1px, transparent 1px);
    background-size:44px 44px;
    pointer-events:none;
  }
  .cta-inner{
    position:relative;
    display:flex;
    flex-direction:column;
    gap:28px;
  }
  @media (min-width:1024px){
    .cta-inner{flex-direction:row;align-items:center;justify-content:space-between;gap:48px;}
  }
  .cta-inner h2{
    font-size:clamp(24px,4vw,38px);
    font-weight:800;
    line-height:1.16;
    letter-spacing:-.015em;
  }
  .cta-inner p{
    margin-top:14px;
    color:#BDB9B0;
    font-size:15.5px;
    max-width:560px;
  }
  .cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

  /* ---------- 页脚 ---------- */
  .site-footer{
    background:var(--ink);
    color:#EDEAE1;
    margin-top:72px;
    padding:56px 0 28px;
  }
  @media (min-width:1024px){.site-footer{margin-top:104px;padding:72px 0 30px;}}
  .footer-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:34px;
  }
  @media (min-width:640px){.footer-grid{grid-template-columns:1fr 1fr;}}
  @media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}}
  .footer-brand p{
    margin-top:16px;
    color:#9C988F;
    font-size:14.5px;
    line-height:1.75;
    max-width:340px;
  }
  .site-footer h4{
    font-size:14px;
    font-weight:700;
    letter-spacing:.14em;
    color:#F7F5F0;
    margin-bottom:16px;
  }
  .footer-list li{margin-bottom:10px;}
  .footer-list a,.footer-list span{
    font-size:14.5px;
    color:#BDB9B0;
    transition:color .2s var(--ease);
  }
  .footer-list a:hover{color:var(--lime);}
  .footer-bottom{
    margin-top:44px;
    padding-top:22px;
    border-top:1px solid rgba(247,245,240,.14);
    display:flex;
    flex-direction:column;
    gap:8px;
    font-size:13px;
    color:#8C887F;
  }
  @media (min-width:768px){
    .footer-bottom{flex-direction:row;align-items:center;justify-content:space-between;}
  }

  /* ---------- 移动底部 Tab ---------- */
  .mobile-tab{
    position:fixed;
    left:0;right:0;bottom:0;
    z-index:70;
    display:flex;
    background:rgba(247,245,240,.97);
    border-top:1px solid var(--line);
    padding-bottom:env(safe-area-inset-bottom);
  }
  .mobile-tab a{
    flex:1;
    display:flex;
    flex-direction:column;
    align-items:center;
    justify-content:center;
    gap:3px;
    height:62px;
    font-size:11px;
    font-weight:600;
    color:var(--muted);
    position:relative;
    transition:color .2s var(--ease);
  }
  .mobile-tab a i{font-size:17px;transition:transform .2s var(--ease);}
  .mobile-tab a::before{
    content:"";
    position:absolute;
    top:0;left:50%;
    transform:translateX(-50%) scaleX(0);
    width:26px;height:2px;
    background:var(--lime);
    transition:transform .25s var(--ease);
  }
  .mobile-tab a.active{color:var(--ink);}
  .mobile-tab a.active i{transform:scale(1.08);}
  .mobile-tab a.active::before{transform:translateX(-50%) scaleX(1);}
  @media (min-width:1024px){.mobile-tab{display:none;}}
  body{padding-bottom:70px;}
  @media (min-width:1024px){body{padding-bottom:0;}}

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

/* roulang page: category4 */
:root{
  --ink:#0E0F12;
  --ink-2:#1A1C21;
  --paper:#F7F5F0;
  --card:#FFFFFF;
  --lime:#C6F24E;
  --lime-deep:#A8D92F;
  --clay:#FF6B4A;
  --line:#E4E0D7;
  --muted:#6E6B64;
  --radius-sm:12px;
  --radius:16px;
  --radius-lg:20px;
  --radius-pill:999px;
  --container:1200px;
}

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

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

body{
  margin:0;
  padding-bottom:64px;
  background:var(--paper);
  color:var(--ink);
  font-family:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",Inter,sans-serif;
  font-size:16.5px;
  line-height:1.75;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;cursor:pointer;background:none;border:0;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
em{font-style:normal;}

a:focus-visible,
button:focus-visible,
input:focus-visible{
  outline:2px solid var(--lime);
  outline-offset:2px;
}

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

.tnum{font-variant-numeric:tabular-nums;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(247,245,240,.97);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{
  border-bottom-color:var(--line);
  box-shadow:0 2px 0 rgba(14,15,18,.05);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:18px;
  height:68px;
}
.logo{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.logo-mark{
  width:36px;
  height:36px;
  border-radius:11px;
  background:var(--ink);
  color:var(--lime);
  display:grid;
  place-items:center;
  font-size:15px;
  flex:0 0 auto;
}
.logo-text{
  display:flex;
  flex-direction:column;
  line-height:1.05;
  font-weight:800;
  font-size:17px;
  letter-spacing:-.01em;
}
.logo-text small{
  font-size:11px;
  font-weight:600;
  color:var(--muted);
  letter-spacing:.08em;
}
@media (min-width:1024px){
  .logo-text{flex-direction:row;align-items:baseline;gap:6px;}
}

.nav-links{
  display:none;
  align-items:center;
  gap:2px;
  margin-left:auto;
}
.nav-links a{
  position:relative;
  padding:9px 13px;
  border-radius:var(--radius-pill);
  font-size:14.5px;
  color:var(--muted);
  white-space:nowrap;
  transition:background .2s ease,color .2s ease;
}
.nav-links a:hover{background:#fff;color:var(--ink);}
.nav-links a.active{
  color:var(--ink);
  font-weight:700;
  background:#fff;
}
.nav-links a.active::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:3px;
  transform:translateX(-50%);
  width:16px;
  height:2px;
  border-radius:2px;
  background:var(--lime);
}
@media (min-width:1024px){
  .nav-links{display:flex;}
}

.nav-toggle{
  display:none;
  place-items:center;
  width:40px;
  height:40px;
  margin-left:auto;
  border:1px solid var(--line);
  border-radius:12px;
  background:#fff;
  color:var(--ink);
}
@media (min-width:640px) and (max-width:1023px){
  .nav-toggle{display:grid;}
}
@media (max-width:1023px){
  .nav-links.is-open{
    display:flex;
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    position:absolute;
    top:68px;
    left:0;
    right:0;
    padding:14px 20px 18px;
    background:var(--paper);
    border-bottom:1px solid var(--line);
  }
  .nav-links.is-open a{
    padding:12px 14px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:12px;
  }
  .nav-links.is-open a.active::after{display:none;}
}

.header-cta{display:none;}
@media (min-width:1024px){
  .header-cta{display:inline-flex;}
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border:1px solid var(--ink);
  border-radius:var(--radius-pill);
  font-size:15px;
  font-weight:700;
  transition:transform .18s ease,background .18s ease,color .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--lime);color:var(--ink);}
.btn-primary:hover{background:var(--lime-deep);transform:translateY(-2px);box-shadow:0 4px 0 var(--ink);}
.btn-ghost{background:transparent;color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:var(--paper);transform:translateY(-2px);}
.btn:active{transform:scale(.98);}
.btn[disabled]{opacity:.4;pointer-events:none;}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn-lg{height:52px;padding:0 30px;font-size:16px;}

/* ============ 面包屑 ============ */
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:#B9B5AC;
}
.breadcrumb a{transition:color .2s ease;}
.breadcrumb a:hover{color:var(--lime);}
.breadcrumb .sep{opacity:.5;}
.breadcrumb .current{color:var(--paper);}

/* ============ 分类头 ============ */
.page-hero{
  position:relative;
  overflow:hidden;
  background:var(--ink-2);
  color:var(--paper);
  padding:52px 0 46px;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url(/assets/images/backpic/back-2.png);
  background-size:cover;
  background-position:center;
  opacity:.3;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(120deg,rgba(14,15,18,.95) 0%,rgba(14,15,18,.74) 55%,rgba(14,15,18,.92) 100%);
}
.page-hero .container{position:relative;z-index:2;}
@media (min-width:1024px){
  .page-hero{padding:72px 0 64px;}
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.2em;
  color:var(--lime);
  margin-bottom:16px;
}
.eyebrow::before{
  content:"";
  width:24px;
  height:3px;
  border-radius:2px;
  background:var(--lime);
}

.page-hero h1{
  font-size:clamp(30px,5.4vw,58px);
  font-weight:900;
  line-height:1.06;
  letter-spacing:-.02em;
  max-width:16em;
}
.hero-lead{
  margin-top:18px;
  font-size:16.5px;
  line-height:1.8;
  color:#C9C5BC;
  max-width:36em;
}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  margin-top:26px;
  font-size:13px;
  color:#9C988F;
}
.hero-meta .count-pill{
  display:inline-flex;
  align-items:center;
  gap:7px;
  height:30px;
  padding:0 14px;
  border-radius:var(--radius-pill);
  background:var(--lime);
  color:var(--ink);
  font-weight:700;
  font-size:13px;
  font-variant-numeric:tabular-nums;
}
.hero-meta .dot{
  width:4px;
  height:4px;
  border-radius:50%;
  background:#57544E;
}

.chip-row{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:28px;
}
.chip{
  display:inline-flex;
  align-items:center;
  height:32px;
  padding:0 14px;
  border-radius:var(--radius-pill);
  background:rgba(247,245,240,.1);
  border:1px solid rgba(247,245,240,.18);
  color:#DDD9D1;
  font-size:13px;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.chip:hover{background:var(--lime);color:var(--ink);border-color:var(--lime);}

/* ============ 通用板块标题 ============ */
.section{padding:64px 0;}
@media (min-width:1024px){
  .section{padding:96px 0;}
}
.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px;
  margin-bottom:34px;
}
.section-title{
  position:relative;
  padding-left:38px;
  font-size:clamp(24px,4vw,40px);
  font-weight:800;
  line-height:1.15;
  letter-spacing:-.015em;
}
.section-title::before{
  content:"";
  position:absolute;
  left:0;
  top:.42em;
  width:24px;
  height:4px;
  border-radius:2px;
  background:var(--lime);
}
.section-desc{
  margin-top:12px;
  padding-left:38px;
  font-size:15px;
  color:var(--muted);
  max-width:40em;
}

/* ============ 清单列表 ============ */
.list-section{
  background:var(--paper);
  border-bottom:1px solid var(--line);
}
.checklist{
  border-top:1px solid var(--line);
}
.list-row{
  display:flex;
  align-items:center;
  gap:16px;
  padding:20px 4px;
  border-bottom:1px solid var(--line);
  transition:background .2s ease;
}
.list-row:hover{background:#fff;}
.row-index{
  flex:0 0 46px;
  font-size:24px;
  font-weight:900;
  line-height:1;
  letter-spacing:-.04em;
  color:var(--ink);
  opacity:.17;
  font-variant-numeric:tabular-nums;
}
.row-thumb{
  flex:0 0 72px;
  width:72px;
  height:72px;
  border-radius:var(--radius-sm);
  overflow:hidden;
  border:1px solid var(--line);
  background:#EFECE5;
}
.row-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .25s cubic-bezier(.2,.7,.2,1);
}
.list-row:hover .row-thumb img{transform:scale(1.04);}
.row-main{flex:1 1 auto;min-width:0;}
.row-main h3{
  font-size:18px;
  font-weight:700;
  line-height:1.4;
  letter-spacing:-.01em;
}
.row-main p{
  margin-top:5px;
  font-size:14.5px;
  line-height:1.65;
  color:var(--muted);
  overflow:hidden;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
}
.row-tags{
  display:flex;
  flex-wrap:wrap;
  gap:6px;
  margin-top:10px;
}
.tag{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  border-radius:6px;
  background:#EFECE5;
  color:var(--ink);
  font-size:12px;
  transition:background .2s ease,color .2s ease;
}
.list-row:hover .tag{background:var(--ink);color:var(--paper);}
.row-data{
  flex:0 0 auto;
  display:flex;
  align-items:center;
  gap:22px;
  font-size:13px;
  color:var(--muted);
  white-space:nowrap;
  font-variant-numeric:tabular-nums;
}
.row-data .data-item{display:flex;flex-direction:column;gap:2px;}
.row-data em{
  font-size:15px;
  font-weight:700;
  color:var(--ink);
  font-variant-numeric:tabular-nums;
}
.row-arrow{
  flex:0 0 36px;
  height:36px;
  display:grid;
  place-items:center;
  border-radius:50%;
  border:1px solid var(--line);
  background:#fff;
  font-size:13px;
  color:var(--ink);
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.list-row:hover .row-arrow{
  background:var(--lime);
  border-color:var(--ink);
  transform:translateX(3px);
}

@media (max-width:900px){
  .row-thumb{display:none;}
  .row-data{gap:16px;}
}
@media (max-width:767px){
  .list-row{
    flex-wrap:wrap;
    align-items:flex-start;
    gap:10px 12px;
    padding:18px 2px;
  }
  .row-index{flex:0 0 auto;font-size:20px;}
  .row-thumb{display:block;flex:0 0 52px;width:52px;height:52px;border-radius:10px;}
  .row-main{flex:1 1 100%;}
  .row-data{flex:1 1 100%;gap:18px;}
  .row-arrow{display:none;}
}

/* ============ 分页与加载更多 ============ */
.pager-wrap{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:22px;
  margin-top:34px;
}
.pager{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:center;
  gap:8px;
}
.pager a,.pager span{
  min-width:42px;
  height:42px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:0 12px;
  border-radius:var(--radius-pill);
  border:1px solid var(--line);
  background:#fff;
  font-size:14px;
  font-variant-numeric:tabular-nums;
  transition:border-color .2s ease,background .2s ease,color .2s ease;
}
.pager a:hover{border-color:var(--ink);background:var(--paper);}
.pager .is-current{
  background:var(--ink);
  border-color:var(--ink);
  color:var(--paper);
  font-weight:700;
}
.pager .pager-next{gap:6px;padding:0 18px;}
.load-more-note{
  font-size:14px;
  color:var(--muted);
  text-align:center;
}

/* ============ FAQ ============ */
.faq-section{
  background:var(--card);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.faq-wrap{max-width:820px;margin:0 auto;}
.faq-list{margin-top:30px;border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:20px 0;
  text-align:left;
  font-size:17px;
  font-weight:700;
  line-height:1.5;
  color:var(--ink);
}
.faq-sign{
  flex:0 0 26px;
  width:26px;
  height:26px;
  display:grid;
  place-items:center;
  border-radius:50%;
  border:1px solid var(--line);
  font-size:13px;
  color:var(--ink);
  transition:background .2s ease,border-color .2s ease,transform .25s ease;
}
.faq-item.is-open .faq-sign{
  background:var(--lime);
  border-color:var(--ink);
  transform:rotate(180deg);
}
.faq-a{
  max-height:0;
  overflow:hidden;
  opacity:0;
  transition:max-height .32s ease,opacity .28s ease;
}
.faq-item.is-open .faq-a{opacity:1;}
.faq-a p{
  padding:0 0 22px;
  font-size:15.5px;
  line-height:1.85;
  color:var(--muted);
  max-width:44em;
}

/* ============ CTA ============ */
.cta-section{
  position:relative;
  overflow:hidden;
  background:var(--ink);
  color:var(--paper);
  padding:64px 0;
}
.cta-section::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(to right,rgba(247,245,240,.06) 1px,transparent 1px),
                   linear-gradient(to bottom,rgba(247,245,240,.06) 1px,transparent 1px);
  background-size:64px 64px;
  opacity:.7;
}
.cta-section .container{position:relative;z-index:2;}
.cta-inner{
  display:grid;
  gap:28px;
  align-items:center;
}
@media (min-width:900px){
  .cta-inner{grid-template-columns:1.5fr auto;}
}
.cta-inner h2{
  font-size:clamp(24px,3.6vw,38px);
  font-weight:800;
  line-height:1.2;
  letter-spacing:-.015em;
}
.cta-inner p{
  margin-top:14px;
  font-size:15.5px;
  line-height:1.85;
  color:#B7B3AA;
  max-width:40em;
}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}
.cta-actions .btn-primary:hover{box-shadow:0 4px 0 rgba(247,245,240,.85);}
.cta-actions .btn-ghost{color:var(--paper);border-color:rgba(247,245,240,.5);}
.cta-actions .btn-ghost:hover{background:var(--paper);color:var(--ink);}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink);
  color:#D8D4CC;
  padding:56px 0 0;
  border-top:1px solid #26282D;
}
.footer-grid{
  display:grid;
  gap:34px;
  grid-template-columns:1fr;
}
@media (min-width:768px){
  .footer-grid{grid-template-columns:repeat(2,1fr);}
}
@media (min-width:1024px){
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:26px;}
}
.site-footer h4{
  font-size:15px;
  font-weight:700;
  color:var(--paper);
  margin-bottom:14px;
}
.footer-brand p{
  margin-top:16px;
  font-size:14.5px;
  line-height:1.85;
  color:#9C988F;
  max-width:34em;
}
.footer-list{
  display:grid;
  gap:10px;
  font-size:14.5px;
}
.footer-list a{transition:color .2s ease;}
.footer-list a:hover{color:var(--lime);}
.footer-bottom{
  margin-top:44px;
  padding:20px 0 26px;
  border-top:1px solid #26282D;
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  justify-content:space-between;
  font-size:13px;
  color:#8A867E;
}
.site-footer .logo-text small{color:#9C988F;}

/* ============ 移动底部 Tab ============ */
.tabbar{
  position:fixed;
  left:0;
  right:0;
  bottom:0;
  z-index:70;
  display:flex;
  background:var(--paper);
  border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
}
.tabbar a{
  position:relative;
  flex:1 1 0;
  height:60px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:3px;
  font-size:11.5px;
  color:var(--muted);
  transition:color .2s ease;
}
.tabbar a i{font-size:16px;transition:transform .2s ease;}
.tabbar a.active{color:var(--ink);font-weight:700;}
.tabbar a.active i{transform:scale(1.08);color:var(--ink);}
.tabbar a.active::before{
  content:"";
  position:absolute;
  top:0;
  left:50%;
  transform:translateX(-50%);
  width:22px;
  height:2px;
  border-radius:2px;
  background:var(--lime);
}
@media (min-width:1024px){
  .tabbar{display:none;}
  body{padding-bottom:0;}
}

/* ============ 入场动效 ============ */
.reveal{
  opacity:0;
  transform:translateY(12px);
  transition:opacity .5s ease,transform .5s cubic-bezier(.2,.7,.2,1);
}
.reveal.is-visible{opacity:1;transform:none;}

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