/* roulang page: index */
:root{
    --c-bg-dark:#0C1310;
    --c-bg-dark-2:#131A14;
    --c-bg:#F6F7F3;
    --c-card:#FFFFFF;
    --c-primary:#0FA36B;
    --c-signal:#C9F24D;
    --c-accent:#FF7A2F;
    --c-title:#0E1A14;
    --c-text:#3C4A42;
    --c-muted:#6B7A72;
    --c-line:#E3E8E2;
    --c-line-soft:#EEF1EC;
    --radius-card:14px;
    --radius-big:18px;
    --shadow-soft:0 1px 2px rgba(14,26,20,.06), 0 8px 24px -12px rgba(14,26,20,.18);
    --shadow-lift:0 2px 4px rgba(14,26,20,.08), 0 16px 34px -14px rgba(14,26,20,.26);
  }
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--c-bg);
    color:var(--c-text);
    font-size:16px;
    line-height:1.8;
    -webkit-font-smoothing:antialiased;
  }
  a{color:inherit;text-decoration:none;}
  img{max-width:100%;display:block;}
  button,input{font-family:inherit;}
  .no-scrollbar{-ms-overflow-style:none;scrollbar-width:none;}
  .no-scrollbar::-webkit-scrollbar{display:none;}

  .shell{
    width:100%;
    max-width:1280px;
    margin:0 auto;
    padding-left:16px;
    padding-right:16px;
  }
  @media (min-width:768px){
    .shell{padding-left:24px;padding-right:24px;}
  }
  @media (min-width:1024px){
    .shell{padding-left:32px;padding-right:32px;}
  }

  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    min-height:46px;
    padding:0 22px;
    border-radius:10px;
    font-size:15px;
    font-weight:600;
    border:1px solid transparent;
    cursor:pointer;
    transition:transform 180ms ease-out, background-color 180ms ease-out, box-shadow 180ms ease-out, color 180ms ease-out, border-color 180ms ease-out;
  }
  .btn-primary{
    background:var(--c-primary);
    color:#FFFFFF;
    box-shadow:0 8px 20px -12px rgba(15,163,107,.85);
  }
  .btn-primary:hover{background:#0C8E5C;transform:translateY(-1px);box-shadow:var(--shadow-lift);}
  .btn-signal{
    background:var(--c-signal);
    color:#0E1A14;
    box-shadow:0 8px 22px -14px rgba(201,242,77,.95);
  }
  .btn-signal:hover{background:#BCE43F;transform:translateY(-1px);}
  .btn-ghost{
    background:transparent;
    color:#F2F7F1;
    border-color:rgba(242,247,241,.42);
  }
  .btn-ghost:hover{background:rgba(242,247,241,.10);border-color:rgba(242,247,241,.75);transform:translateY(-1px);}
  .btn-outline{
    background:#FFFFFF;
    color:var(--c-primary);
    border-color:var(--c-primary);
  }
  .btn-outline:hover{background:rgba(15,163,107,.07);transform:translateY(-1px);}
  .btn:focus-visible,
  a:focus-visible,
  summary:focus-visible,
  input:focus-visible{
    outline:3px solid rgba(201,242,77,.55);
    outline-offset:2px;
  }

  .pill{
    display:inline-flex;
    align-items:center;
    gap:6px;
    padding:4px 12px;
    border-radius:999px;
    font-size:13px;
    font-weight:600;
    line-height:1.6;
  }
  .pill-signal{background:rgba(201,242,77,.18);color:#0E1A14;}
  .pill-brand{background:rgba(15,163,107,.10);color:#0C8E5C;}
  .pill-reward{background:rgba(255,122,47,.12);color:#C85614;}

  .surface{
    background:var(--c-card);
    border:1px solid var(--c-line);
    border-radius:var(--radius-card);
    box-shadow:var(--shadow-soft);
    transition:transform 200ms ease-out, box-shadow 200ms ease-out, border-color 200ms ease-out;
  }
  .surface-hover:hover{
    transform:translateY(-2px);
    box-shadow:var(--shadow-lift);
    border-color:#D2DBD2;
  }

  .eyebrow{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:13px;
    font-weight:700;
    letter-spacing:.02em;
    color:#0C8E5C;
  }
  .eyebrow-dark{color:var(--c-signal);}
  .section-title{
    font-size:30px;
    line-height:1.3;
    font-weight:700;
    color:var(--c-title);
    letter-spacing:-.01em;
    margin:0;
  }
  @media (max-width:767px){
    .section-title{font-size:24px;}
  }

  .kv-mask{
    background:
      linear-gradient(100deg, rgba(12,19,16,.96) 0%, rgba(12,19,16,.90) 42%, rgba(12,19,16,.62) 72%, rgba(19,26,20,.42) 100%),
      linear-gradient(180deg, rgba(12,19,16,.25), rgba(12,19,16,.55));
  }
  .kv-section{
    position:relative;
    overflow:hidden;
    background-color:var(--c-bg-dark);
    background-image:url('/assets/images/backpic/back-1.png');
    background-size:cover;
    background-position:center;
  }

  .progress-track{
    height:10px;
    border-radius:999px;
    background:var(--c-line);
    overflow:hidden;
  }
  .progress-fill{
    height:100%;
    border-radius:999px;
    background:linear-gradient(90deg, var(--c-primary), #34C485);
  }
  .progress-fill-signal{
    background:linear-gradient(90deg, var(--c-signal), #A8DC28);
  }

  .faq-item{
    border-bottom:1px solid var(--c-line);
  }
  .faq-item summary{
    list-style:none;
    cursor:pointer;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    min-height:60px;
    padding:14px 2px;
    font-size:16px;
    font-weight:600;
    color:var(--c-title);
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary .faq-mark{
    flex:0 0 auto;
    width:26px;height:26px;
    border-radius:999px;
    border:1px solid var(--c-line);
    display:flex;align-items:center;justify-content:center;
    color:var(--c-primary);
    font-size:16px;
    line-height:1;
    transition:transform 200ms ease-out, background-color 200ms ease-out;
  }
  .faq-item[open] summary .faq-mark{
    background:var(--c-signal);
    border-color:var(--c-signal);
    color:#0E1A14;
    transform:rotate(45deg);
  }
  .faq-answer{
    padding:0 2px 18px;
    font-size:15px;
    line-height:1.85;
    color:var(--c-text);
  }

  .rail{
    display:flex;
    gap:18px;
    overflow-x:auto;
    scroll-snap-type:x mandatory;
    padding-bottom:6px;
  }
  .rail > *{
    scroll-snap-align:start;
    flex:0 0 82%;
  }
  @media (min-width:640px){
    .rail > *{flex:0 0 46%;}
  }
  @media (min-width:1024px){
    .rail > *{flex:0 0 31%;}
  }

  .nav-tab{
    display:inline-flex;
    align-items:center;
    height:34px;
    padding:0 16px;
    border-radius:999px;
    font-size:14px;
    font-weight:600;
    color:#C9D6CC;
    white-space:nowrap;
    transition:background-color 180ms ease-out, color 180ms ease-out;
  }
  .nav-tab:hover{background:rgba(242,247,241,.10);color:#F2F7F1;}
  .nav-tab.is-active{background:var(--c-signal);color:#0E1A14;}

  .link-soft{
    color:#A9B8AD;
    font-size:14px;
    transition:color 180ms ease-out;
  }
  .link-soft:hover{color:var(--c-signal);}

  .step-index{
    display:flex;align-items:center;justify-content:center;
    width:38px;height:38px;
    border-radius:12px;
    background:var(--c-signal);
    color:#0E1A14;
    font-weight:700;
    font-size:15px;
  }

  .news-card h3{
    font-size:17px;
    font-weight:600;
    line-height:1.5;
    color:var(--c-title);
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
    overflow:hidden;
  }
  .news-card p{
    font-size:14px;
    line-height:1.7;
    color:var(--c-muted);
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
    overflow:hidden;
  }

  .mobile-drawer{
    max-height:0;
    overflow:hidden;
    transition:max-height 260ms ease-out;
  }
  .mobile-drawer.is-open{max-height:420px;}

/* roulang page: article */
:root{
  --c-bg-dark:#0C1310;
  --c-bg-dark-2:#131A14;
  --c-bg:#F6F7F3;
  --c-card:#FFFFFF;
  --c-primary:#0FA36B;
  --c-signal:#C9F24D;
  --c-accent:#FF7A2F;
  --c-title:#0E1A14;
  --c-text:#3C4A42;
  --c-muted:#6B7A72;
  --c-line:#E3E8E2;
  --c-line-soft:#EEF1EC;
  --shadow-sm:0 1px 2px rgba(14,26,20,.06), 0 8px 24px -12px rgba(14,26,20,.18);
  --shadow-md:0 2px 6px rgba(14,26,20,.08), 0 18px 40px -18px rgba(14,26,20,.28);
  --radius:14px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--c-bg);
  color:var(--c-text);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:none;background:none}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding-left:0;list-style:none}
::selection{background:rgba(201,242,77,.5);color:#0C1310}

.shell{width:100%;max-width:1280px;margin:0 auto;padding-left:16px;padding-right:16px}
@media(min-width:768px){.shell{padding-left:24px;padding-right:24px}}
@media(min-width:1024px){.shell{padding-left:32px;padding-right:32px}}

.no-scrollbar{-ms-overflow-style:none;scrollbar-width:none}
.no-scrollbar::-webkit-scrollbar{display:none}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 20px;border-radius:10px;
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform .2s ease-out,background-color .2s ease-out,border-color .2s ease-out,color .2s ease-out,box-shadow .2s ease-out;
}
.btn:focus-visible{outline:3px solid rgba(201,242,77,.55);outline-offset:2px}
.btn-signal{background:var(--c-signal);color:#0C1310}
.btn-signal:hover{background:#bce440;transform:translateY(-1px)}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{background:#0C8D5C;transform:translateY(-1px);box-shadow:0 10px 24px -12px rgba(15,163,107,.75)}
.btn-outline{border:1px solid var(--c-primary);color:var(--c-primary);background:transparent}
.btn-outline:hover{background:rgba(15,163,107,.08);transform:translateY(-1px)}
.btn-ghost-light{border:1px solid rgba(255,255,255,.28);color:#fff;background:rgba(255,255,255,.05)}
.btn-ghost-light:hover{border-color:var(--c-signal);color:var(--c-signal);transform:translateY(-1px)}

.link-soft{color:#A9B8AD;font-size:14px;transition:color .18s ease}
.link-soft:hover{color:var(--c-signal)}

.nav-tab{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;
  font-size:14px;color:#A9B8AD;white-space:nowrap;
  transition:background-color .18s ease,color .18s ease;
}
.nav-tab:hover{color:#fff;background:rgba(255,255,255,.08)}
.nav-tab.is-active{background:var(--c-signal);color:#0C1310;font-weight:700}
.nav-tab:focus-visible{outline:2px solid var(--c-signal);outline-offset:2px}
input::placeholder{color:#7E8F84}

/* 面包屑 */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-muted);line-height:1.6}
.crumbs a{color:var(--c-muted);transition:color .18s ease}
.crumbs a:hover{color:var(--c-primary)}
.crumbs .sep{color:#BFCBC3}
.crumbs .current{color:var(--c-primary);font-weight:600;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* 文章头部 */
.post-head{padding:22px 0 0}
.post-tag{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;
  background:rgba(15,163,107,.1);color:var(--c-primary);font-size:13px;font-weight:600;
}
.post-title{
  margin-top:14px;font-size:30px;line-height:1.32;font-weight:800;
  color:var(--c-title);letter-spacing:-.01em;word-break:break-word;
}
@media(min-width:1024px){.post-title{font-size:37px}}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:16px;font-size:13.5px;color:var(--c-muted)}
.post-meta .dot{width:4px;height:4px;border-radius:50%;background:#C4CFC7}

.post-cover{
  margin-top:24px;border-radius:16px;overflow:hidden;
  border:1px solid var(--c-line);background:var(--c-card);box-shadow:var(--shadow-sm);
}
.post-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}

/* 正文排版 */
.article-body{margin-top:28px;font-size:17px;line-height:1.9;color:var(--c-text);overflow-wrap:anywhere}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.15em}
.article-body h2{
  position:relative;margin:2em 0 .7em;padding-left:14px;
  font-size:24px;line-height:1.4;font-weight:700;color:var(--c-title);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:2px;background:var(--c-primary);
}
.article-body h3{margin:1.6em 0 .55em;font-size:20px;font-weight:600;color:var(--c-title);line-height:1.45}
.article-body h4{margin:1.4em 0 .5em;font-size:17px;font-weight:600;color:var(--c-title)}
.article-body a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:#0C8D5C}
.article-body ul,.article-body ol{margin:0 0 1.15em;padding-left:1.3em}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin:.4em 0;line-height:1.85}
.article-body blockquote{
  margin:1.4em 0;padding:14px 18px;border-left:3px solid var(--c-primary);
  background:rgba(15,163,107,.06);border-radius:0 12px 12px 0;
}
.article-body img{margin:1.4em auto;border-radius:12px;height:auto}
.article-body figure{margin:1.6em 0}
.article-body figcaption{margin-top:10px;font-size:13.5px;color:var(--c-muted);text-align:center}
.article-body table{
  display:block;width:100%;max-width:100%;overflow-x:auto;
  border-collapse:collapse;font-size:15px;margin:1.4em 0;
}
.article-body th,.article-body td{border:1px solid var(--c-line);padding:10px 12px;text-align:left;white-space:nowrap}
.article-body th{background:var(--c-line-soft);font-weight:600;color:var(--c-title)}
.article-body code{background:var(--c-line-soft);padding:2px 6px;border-radius:6px;font-size:.92em}
.article-body pre{
  background:var(--c-bg-dark-2);color:#E8F2E9;padding:16px;border-radius:12px;overflow-x:auto;margin:1.4em 0;
}
.article-body pre code{background:transparent;padding:0;color:inherit}
.article-body hr{border:none;border-top:1px solid var(--c-line);margin:2em 0}

/* 空状态 */
.empty-state{
  margin-top:28px;background:var(--c-card);border:1px solid var(--c-line);
  border-radius:18px;padding:44px 24px;text-align:center;box-shadow:var(--shadow-sm);
}
.empty-icon{
  width:56px;height:56px;margin:0 auto 18px;border-radius:16px;
  background:rgba(15,163,107,.1);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:800;
}
.empty-title{font-size:20px;font-weight:700;color:var(--c-title)}
.empty-desc{margin-top:10px;font-size:15px;color:var(--c-muted);line-height:1.85}
.empty-state .btn{margin-top:22px}

/* 标签行 */
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:34px;padding-top:22px;border-top:1px solid var(--c-line)}
.tag-row .label{font-size:13.5px;color:var(--c-muted)}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 13px;border-radius:999px;
  background:var(--c-card);border:1px solid var(--c-line);color:var(--c-text);
  font-size:13.5px;transition:border-color .18s ease,color .18s ease,transform .18s ease;
}
.tag:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-1px)}

/* 侧栏 */
.sticky-col{position:sticky;top:130px}
.side-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:14px;
  padding:20px;box-shadow:var(--shadow-sm);
}
.side-card + .side-card{margin-top:18px}
.side-title{display:flex;align-items:center;gap:9px;font-size:15px;font-weight:700;color:var(--c-title)}
.side-title::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--c-primary)}
.side-list{margin-top:12px;display:flex;flex-direction:column}
.side-list a{
  display:flex;align-items:flex-start;gap:8px;font-size:14px;color:var(--c-text);
  padding:9px 0;border-bottom:1px dashed var(--c-line-soft);
  transition:color .18s ease,padding-left .18s ease;
}
.side-list a:last-child{border-bottom:none}
.side-list a:hover{color:var(--c-primary);padding-left:4px}
.side-list a span.idx{color:var(--c-primary);font-weight:700;font-size:13px;line-height:1.7}
.side-note{margin-top:12px;font-size:13.5px;line-height:1.85;color:var(--c-muted)}
.side-cta{display:flex;flex-direction:column;gap:10px;margin-top:14px}
.side-cta .btn{width:100%}

/* 相关推荐 */
.rel-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:20px}
.rel-head h2{font-size:24px;font-weight:700;color:var(--c-title)}
.rel-head a{font-size:14px;color:var(--c-primary);font-weight:600}
.rel-head a:hover{color:#0C8D5C}
.rel-card{
  display:flex;flex-direction:column;background:var(--c-card);
  border:1px solid var(--c-line);border-radius:14px;overflow:hidden;
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#CFE3D7}
.rel-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.rel-body{padding:16px 18px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.rel-body h3{font-size:17px;font-weight:600;color:var(--c-title);line-height:1.5}
.rel-body p{font-size:14px;color:var(--c-muted);line-height:1.8}
.rel-meta{margin-top:auto;font-size:13px;color:#8A9990;padding-top:6px}

/* 底部 CTA */
.cta-band{
  position:relative;overflow:hidden;border-radius:18px;
  background-image:linear-gradient(90deg,rgba(12,19,16,.94) 0%,rgba(12,19,16,.82) 52%,rgba(12,19,16,.62) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  color:#F2F7F1;
}
.cta-band .inner{padding:38px 26px}
@media(min-width:768px){.cta-band .inner{padding:52px 48px}}
.cta-band h2{font-size:25px;font-weight:800;color:#fff;line-height:1.35}
.cta-band p{margin-top:12px;font-size:15px;line-height:1.85;color:#C6D3C9;max-width:640px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}

/* 页脚 */
.footer-link{color:#A9B8AD;font-size:14px;transition:color .18s ease}
.footer-link:hover{color:var(--c-signal)}

/* roulang page: category1 */
:root{
    --c-bg-dark:#0C1310;
    --c-bg-dark-2:#131A14;
    --c-bg:#F6F7F3;
    --c-card:#FFFFFF;
    --c-primary:#0FA36B;
    --c-signal:#C9F24D;
    --c-accent:#FF7A2F;
    --c-title:#0E1A14;
    --c-text:#3C4A42;
    --c-muted:#6B7A72;
    --c-line:#E3E8E2;
    --c-line-soft:#EEF1EC;
    --r-sm:10px;
    --r-md:14px;
    --r-lg:18px;
    --r-pill:999px;
    --sh-1:0 1px 2px rgba(14,26,20,.06), 0 8px 24px -12px rgba(14,26,20,.18);
    --sh-2:0 2px 6px rgba(14,26,20,.08), 0 18px 36px -16px rgba(14,26,20,.26);
  }

  *{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    margin:0;
    background:var(--c-bg);
    color:var(--c-text);
    font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  a{color:inherit;text-decoration:none}
  img{display:block;max-width:100%}
  button{font-family:inherit}
  h1,h2,h3,p,ul,ol{margin:0}
  ul,ol{padding:0;list-style:none}

  .shell{max-width:1280px;margin:0 auto;padding-left:16px;padding-right:16px;width:100%}
  @media (min-width:768px){.shell{padding-left:24px;padding-right:24px}}
  @media (min-width:1280px){.shell{padding-left:32px;padding-right:32px}}

  .no-scrollbar{scrollbar-width:none;-ms-overflow-style:none}
  .no-scrollbar::-webkit-scrollbar{display:none}

  /* 导航 */
  .nav-tab{
    display:inline-flex;align-items:center;height:34px;padding:0 15px;
    border-radius:var(--r-pill);font-size:14px;font-weight:600;
    color:#C3D0C6;white-space:nowrap;
    transition:background .18s ease-out,color .18s ease-out;
  }
  .nav-tab:hover{background:rgba(255,255,255,.08);color:#FFFFFF}
  .nav-tab.is-active{background:var(--c-signal);color:#0C1310}
  .nav-tab.is-active:hover{background:var(--c-signal);color:#0C1310}

  .link-soft{color:#A9B8AD;font-size:14px;transition:color .18s ease-out}
  .link-soft:hover{color:var(--c-signal)}

  /* 按钮 */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;
    min-height:44px;padding:0 20px;border-radius:var(--r-sm);
    font-size:15px;font-weight:650;line-height:1;
    border:1px solid transparent;cursor:pointer;
    transition:transform .18s ease-out,background .18s ease-out,box-shadow .18s ease-out,color .18s ease-out,border-color .18s ease-out;
  }
  .btn:active{transform:translateY(0) scale(.99)}
  .btn-signal{background:var(--c-signal);color:#0C1310}
  .btn-signal:hover{background:#D9F96C;transform:translateY(-1px)}
  .btn-primary{background:var(--c-primary);color:#FFFFFF}
  .btn-primary:hover{background:#0C8E5C;transform:translateY(-1px)}
  .btn-outline{border-color:var(--c-primary);color:var(--c-primary);background:transparent}
  .btn-outline:hover{background:rgba(15,163,107,.08);transform:translateY(-1px)}
  .btn-ghost-light{border-color:rgba(255,255,255,.28);color:#F2F7F1;background:rgba(255,255,255,.04)}
  .btn-ghost-light:hover{border-color:var(--c-signal);color:var(--c-signal);transform:translateY(-1px)}
  .btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible{
    outline:3px solid rgba(201,242,77,.55);
    outline-offset:2px;
  }

  /* 分类 Hero */
  .cat-hero{
    position:relative;overflow:hidden;
    background-color:#0C1310;
    background-image:
      linear-gradient(100deg, rgba(12,19,16,.95) 0%, rgba(12,19,16,.82) 52%, rgba(12,19,16,.46) 100%),
      url('/assets/images/backpic/back-1.png');
    background-size:cover;
    background-position:center;
  }
  .cat-hero::after{
    content:'';position:absolute;right:-80px;bottom:-120px;
    width:320px;height:320px;border-radius:50%;
    background:radial-gradient(circle,rgba(201,242,77,.20),transparent 70%);
  }

  .crumb{font-size:13px;color:#A9B8AD}
  .crumb a{color:#C9D6CB}
  .crumb a:hover{color:var(--c-signal)}
  .crumb span{color:var(--c-signal)}

  .badge-signal{
    display:inline-flex;align-items:center;gap:6px;
    height:28px;padding:0 12px;border-radius:var(--r-pill);
    background:rgba(201,242,77,.16);border:1px solid rgba(201,242,77,.42);
    color:var(--c-signal);font-size:13px;font-weight:650;
  }

  /* 正文排版 */
  .prose-block p{margin-bottom:1.15em;color:var(--c-text);line-height:1.9}
  .prose-block p:last-child{margin-bottom:0}
  .prose-block strong{color:var(--c-title);font-weight:700}

  .h-sec{
    position:relative;padding-left:16px;
    font-size:21px;font-weight:700;color:var(--c-title);
    letter-spacing:-.01em;margin-top:2.2em;margin-bottom:.75em;line-height:1.45;
  }
  .h-sec::before{
    content:'';position:absolute;left:0;top:.22em;bottom:.22em;width:4px;
    border-radius:2px;background:var(--c-primary);
  }
  .h-sec:first-child{margin-top:0}

  /* 步骤流 */
  .step{position:relative;padding-left:58px;padding-bottom:26px}
  .step:last-child{padding-bottom:0}
  .step::before{
    content:attr(data-n);
    position:absolute;left:0;top:0;
    width:38px;height:38px;border-radius:12px;
    background:var(--c-signal);color:#0C1310;
    font-weight:800;font-size:15px;
    display:flex;align-items:center;justify-content:center;
    box-shadow:0 4px 12px -6px rgba(12,19,16,.5);
  }
  .step::after{
    content:'';position:absolute;left:18px;top:46px;bottom:6px;width:2px;
    background:var(--c-line);
  }
  .step:last-child::after{display:none}
  .step-title{font-size:17px;font-weight:700;color:var(--c-title);margin-bottom:4px}
  .step-desc{font-size:15px;color:var(--c-text);line-height:1.8}

  /* 卡片 */
  .side-card,.feature-card{
    background:var(--c-card);border:1px solid var(--c-line);
    box-shadow:var(--sh-1);
  }
  .side-card{border-radius:var(--r-md);padding:20px}
  .feature-card{
    border-radius:var(--r-lg);overflow:hidden;
    transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
  }
  .feature-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D6DED4}

  .tag{
    display:inline-flex;align-items:center;height:26px;padding:0 11px;
    border-radius:var(--r-pill);font-size:12.5px;font-weight:650;
    background:rgba(15,163,107,.1);color:var(--c-primary);
  }
  .tag-warn{background:rgba(255,122,47,.12);color:#C9550E}

  .pill{
    display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 16px;
    border-radius:var(--r-pill);background:#fff;border:1px solid var(--c-line);
    color:var(--c-title);font-size:14px;font-weight:650;
    transition:transform .18s ease-out,border-color .18s ease-out,color .18s ease-out,box-shadow .18s ease-out;
  }
  .pill:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-1px);box-shadow:var(--sh-1)}

  /* 清单 */
  .check-list li{
    position:relative;padding-left:26px;margin-bottom:12px;
    font-size:14.5px;line-height:1.75;color:var(--c-text);
  }
  .check-list li:last-child{margin-bottom:0}
  .check-list li::before{
    content:'';position:absolute;left:0;top:.52em;
    width:14px;height:14px;border-radius:5px;
    background:rgba(15,163,107,.14);
    border:1px solid rgba(15,163,107,.45);
  }

  .notice-list li{
    padding:11px 0;border-bottom:1px dashed var(--c-line);
    font-size:14px;line-height:1.7;color:var(--c-text);
  }
  .notice-list li:last-child{border-bottom:0;padding-bottom:0}
  .notice-list .date{display:block;font-size:12.5px;color:var(--c-muted);margin-top:2px}

  /* FAQ */
  .acc-item{border-bottom:1px solid var(--c-line)}
  .acc-item:first-child{border-top:1px solid var(--c-line)}
  .acc-q{
    width:100%;background:transparent;border:0;cursor:pointer;text-align:left;
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    min-height:60px;padding:14px 2px;
    font-size:16.5px;font-weight:650;color:var(--c-title);line-height:1.6;
  }
  .acc-q:hover{color:var(--c-primary)}
  .acc-icon{
    flex:0 0 auto;width:28px;height:28px;border-radius:9px;
    background:var(--c-line-soft);color:var(--c-title);
    display:flex;align-items:center;justify-content:center;
    font-size:17px;font-weight:600;line-height:1;
    transition:transform .24s ease-out,background .24s ease-out,color .24s ease-out;
  }
  .acc-item.is-open .acc-icon{transform:rotate(45deg);background:var(--c-signal);color:#0C1310}
  .acc-a{max-height:0;overflow:hidden;transition:max-height .3s ease-out}
  .acc-a p{padding:0 2px 20px;font-size:15px;line-height:1.85;color:var(--c-text)}
  .acc-item.is-open .acc-a{max-height:480px}

  /* CTA */
  .cta-band{
    position:relative;overflow:hidden;
    background:linear-gradient(118deg,#0C1310 0%,#131A14 58%,#182619 100%);
    border-radius:var(--r-lg);
    padding:32px 24px;
    display:flex;flex-direction:column;gap:20px;align-items:flex-start;
  }
  .cta-band::after{
    content:'';position:absolute;right:-70px;top:-80px;
    width:240px;height:240px;border-radius:50%;
    background:radial-gradient(circle,rgba(201,242,77,.22),transparent 70%);
  }
  @media (min-width:768px){
    .cta-band{flex-direction:row;align-items:center;justify-content:space-between;padding:38px 42px}
  }
  .cta-band h2{color:#F2F7F1;font-size:24px;font-weight:750;line-height:1.4}
  .cta-band p{color:#A9B8AD;font-size:15px;margin-top:8px;max-width:560px}

  /* 进度条装饰 */
  .bar{height:10px;border-radius:var(--r-pill);background:var(--c-line-soft);overflow:hidden}
  .bar > i{display:block;height:100%;border-radius:var(--r-pill);background:var(--c-primary)}
  .bar > i.sig{background:var(--c-signal)}

  .divider{height:1px;background:var(--c-line)}

  @media (max-width:1023px){
    .h-sec{font-size:19px;margin-top:1.9em}
  }
  @media (max-width:639px){
    body{font-size:15.5px}
    .step{padding-left:50px}
    .step::before{width:34px;height:34px;border-radius:10px}
    .step::after{left:16px;top:42px}
    .acc-q{font-size:15.5px;min-height:56px}
  }

/* roulang page: category2 */
:root{
    --c-bg-dark:#0C1310;
    --c-bg-dark-2:#131A14;
    --c-bg:#F6F7F3;
    --c-card:#FFFFFF;
    --c-primary:#0FA36B;
    --c-primary-dark:#0B7A4F;
    --c-signal:#C9F24D;
    --c-accent:#FF7A2F;
    --c-title:#0E1A14;
    --c-text:#3C4A42;
    --c-muted:#6B7A72;
    --c-line:#E3E8E2;
    --c-line-soft:#EEF1EC;
    --r-sm:10px;
    --r-md:14px;
    --r-lg:18px;
    --sh-1:0 1px 2px rgba(14,26,20,.06), 0 8px 24px -12px rgba(14,26,20,.18);
    --sh-2:0 2px 6px rgba(14,26,20,.08), 0 18px 38px -18px rgba(14,26,20,.30);
    --ease:cubic-bezier(.22,.61,.36,1);
  }

  *{box-sizing:border-box;}

  html{scroll-behavior:smooth;scroll-padding-top:120px;}

  body{
    margin:0;
    background:var(--c-bg);
    color:var(--c-text);
    font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
    font-size:16px;
    line-height:1.8;
    -webkit-font-smoothing:antialiased;
    text-rendering:optimizeLegibility;
  }

  h1,h2,h3,h4{
    margin:0;
    color:var(--c-title);
    line-height:1.3;
    font-weight:700;
    letter-spacing:-0.01em;
  }

  p{margin:0 0 1.2em;}

  ul,ol,li{margin:0;padding:0;list-style:none;}

  img{display:block;max-width:100%;height:auto;}

  a{color:inherit;text-decoration:none;}

  button,input{font:inherit;color:inherit;}

  :focus-visible{outline:3px solid rgba(201,242,77,.65);outline-offset:2px;border-radius:6px;}

  /* 容器 */
  .shell{width:100%;max-width:1280px;margin:0 auto;padding-left:16px;padding-right:16px;}
  @media (min-width:640px){.shell{padding-left:24px;padding-right:24px;}}
  @media (min-width:1024px){.shell{padding-left:32px;padding-right:32px;}}

  .section{padding:56px 0;}
  @media (min-width:1024px){.section{padding:76px 0;}}

  .sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:28px;}
  .sec-title{font-size:23px;font-weight:700;}
  @media (min-width:768px){.sec-title{font-size:30px;}}
  .sec-sub{font-size:14px;color:var(--c-muted);margin:8px 0 0;}
  .sec-title::before{
    content:"";
    display:inline-block;
    width:4px;height:20px;
    background:var(--c-primary);
    border-radius:3px;
    margin-right:12px;
    vertical-align:-3px;
  }
  @media (min-width:768px){.sec-title::before{height:24px;vertical-align:-4px;}}

  /* 导航 */
  .nav-tab{
    display:inline-flex;
    align-items:center;
    height:34px;
    padding:0 14px;
    border-radius:999px;
    font-size:14px;
    color:#B9C7BD;
    white-space:nowrap;
    border:1px solid transparent;
    transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  }
  .nav-tab:hover{color:#FFFFFF;background:rgba(255,255,255,.08);}
  .nav-tab.is-active{background:var(--c-signal);color:var(--c-title);font-weight:700;border-color:var(--c-signal);}

  .link-soft{color:#A9B8AD;font-size:14px;transition:color .2s var(--ease);}
  .link-soft:hover{color:var(--c-signal);}

  .no-scrollbar{scrollbar-width:none;-ms-overflow-style:none;}
  .no-scrollbar::-webkit-scrollbar{display:none;}

  /* 按钮 */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    min-height:46px;
    padding:0 22px;
    border-radius:var(--r-sm);
    font-size:15px;
    font-weight:600;
    border:1px solid transparent;
    cursor:pointer;
    transition:transform .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  }
  .btn:hover{transform:translateY(-1px);}
  .btn:active{transform:translateY(0);}
  .btn-signal{background:var(--c-signal);color:var(--c-title);box-shadow:0 10px 26px -14px rgba(201,242,77,.9);}
  .btn-signal:hover{background:#D6F86A;box-shadow:0 14px 30px -14px rgba(201,242,77,.95);}
  .btn-primary{background:var(--c-primary);color:#FFFFFF;box-shadow:0 10px 26px -14px rgba(15,163,107,.85);}
  .btn-primary:hover{background:var(--c-primary-dark);}
  .btn-outline{border-color:var(--c-primary);color:var(--c-primary-dark);background:transparent;}
  .btn-outline:hover{background:rgba(15,163,107,.08);}
  .btn-outline-light{border-color:rgba(255,255,255,.3);color:#FFFFFF;background:rgba(255,255,255,.04);}
  .btn-outline-light:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.5);}

  /* 标签 */
  .pill{
    display:inline-flex;
    align-items:center;
    gap:6px;
    padding:3px 12px;
    border-radius:999px;
    font-size:13px;
    line-height:1.7;
    background:var(--c-line-soft);
    border:1px solid var(--c-line);
    color:var(--c-muted);
    white-space:nowrap;
  }
  .pill-signal{background:rgba(201,242,77,.32);border-color:rgba(201,242,77,.7);color:#33440F;}
  .pill-brand{background:rgba(15,163,107,.10);border-color:rgba(15,163,107,.28);color:var(--c-primary-dark);}
  .pill-accent{background:rgba(255,122,47,.12);border-color:rgba(255,122,47,.32);color:#B44F12;}

  /* 卡片 */
  .card{
    background:var(--c-card);
    border:1px solid var(--c-line);
    border-radius:var(--r-md);
    box-shadow:var(--sh-1);
    transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
  }
  .card-hover:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D5DED4;}

  .card-lg{border-radius:var(--r-lg);}

  .img-frame{border-radius:16px;overflow:hidden;background:var(--c-line-soft);}
  .img-frame img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease);}
  .card-hover:hover .img-frame img{transform:scale(1.04);}

  /* Hero */
  .cat-hero{
    position:relative;
    background-color:var(--c-bg-dark);
    background-image:
      linear-gradient(100deg, rgba(12,19,16,.95) 0%, rgba(12,19,16,.82) 52%, rgba(12,19,16,.55) 100%),
      url('/assets/images/backpic/back-2.webp');
    background-size:cover;
    background-position:center;
    border-bottom:1px solid rgba(255,255,255,.06);
  }
  .cat-hero::after{
    content:"";
    position:absolute;inset:auto 0 0 0;height:3px;
    background:linear-gradient(90deg,var(--c-signal),rgba(201,242,77,0) 62%);
    opacity:.85;
  }

  /* 数字条 */
  .stat-item{padding:20px 22px;border-radius:var(--r-md);background:var(--c-card);border:1px solid var(--c-line);box-shadow:var(--sh-1);}
  .stat-num{font-size:26px;font-weight:800;color:var(--c-title);letter-spacing:-0.02em;}
  .stat-label{font-size:13px;color:var(--c-muted);margin-top:4px;}

  /* 序号 */
  .num-badge{
    flex:0 0 auto;
    width:36px;height:36px;
    border-radius:12px;
    background:var(--c-signal);
    color:var(--c-title);
    font-weight:800;
    font-size:15px;
    display:flex;align-items:center;justify-content:center;
  }

  /* 卡轨 */
  .rail{
    display:flex;
    gap:20px;
    overflow-x:auto;
    scroll-snap-type:x mandatory;
    padding:6px 4px 18px;
    scrollbar-width:none;
  }
  .rail::-webkit-scrollbar{display:none;}
  .rail > article{
    flex:0 0 min(310px,82vw);
    scroll-snap-align:start;
  }
  @media (min-width:1024px){
    .rail > article{flex:0 0 320px;}
  }

  /* 时间线 */
  .steps{counter-reset:step;}
  .step{
    position:relative;
    padding-left:56px;
    padding-bottom:26px;
  }
  .step:last-child{padding-bottom:0;}
  .step::before{
    counter-increment:step;
    content:counter(step,decimal-leading-zero);
    position:absolute;
    left:0;top:0;
    width:38px;height:38px;
    border-radius:12px;
    background:var(--c-signal);
    color:var(--c-title);
    font-weight:800;font-size:14px;
    display:flex;align-items:center;justify-content:center;
  }
  .step::after{
    content:"";
    position:absolute;
    left:18px;top:44px;bottom:6px;
    width:2px;
    background:var(--c-line);
  }
  .step:last-child::after{display:none;}

  /* 进度条 */
  .progress{height:10px;border-radius:999px;background:var(--c-line);overflow:hidden;}
  .progress > span{display:block;height:100%;border-radius:999px;background:var(--c-primary);transition:width .5s var(--ease);}
  .progress.is-signal > span{background:var(--c-signal);}

  /* FAQ */
  .faq-list{background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh-1);padding:6px 22px;}
  .faq-item{border-bottom:1px solid var(--c-line);}
  .faq-item:last-child{border-bottom:none;}
  .faq-item summary{
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    min-height:62px;padding:14px 0;
    cursor:pointer;font-weight:600;font-size:16px;color:var(--c-title);
    list-style:none;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary:hover{color:var(--c-primary-dark);}
  .faq-icon{
    flex:0 0 auto;width:28px;height:28px;border-radius:9px;
    border:1px solid var(--c-line);background:var(--c-line-soft);
    color:var(--c-primary-dark);font-size:17px;line-height:1;
    display:flex;align-items:center;justify-content:center;
    transition:transform .25s var(--ease),background .25s var(--ease);
  }
  .faq-item[open] .faq-icon{transform:rotate(45deg);background:rgba(201,242,77,.35);border-color:rgba(201,242,77,.7);}
  .faq-body{padding:0 40px 20px 0;font-size:15px;line-height:1.85;color:var(--c-text);}

  /* CTA */
  .cta-band{
    position:relative;
    overflow:hidden;
    background-color:var(--c-bg-dark);
    background-image:
      linear-gradient(95deg, rgba(12,19,16,.96) 0%, rgba(12,19,16,.82) 58%, rgba(19,26,20,.6) 100%),
      url('/assets/images/backpic/back-3.webp');
    background-size:cover;
    background-position:center;
    border-radius:20px;
    border:1px solid rgba(255,255,255,.08);
  }

  /* 页脚 */
  .footer-link{color:#A9B8AD;font-size:14px;transition:color .2s var(--ease);}
  .footer-link:hover{color:var(--c-signal);}

  /* 正文排版 */
  .prose-cn p{font-size:16px;line-height:1.9;}
  @media (min-width:768px){.prose-cn p{font-size:17px;}}

  @media (max-width:1023px){
    .faq-body{padding-right:0;}
  }