/* roulang page: index */
:root{
  --c-primary:#A8E82B;
  --c-primary-hover:#BEF24E;
  --c-primary-active:#93CE22;
  --c-accent:#FF6B35;
  --c-bg:#0B0D0C;
  --c-panel:#13171A;
  --c-panel-soft:#101413;
  --c-light:#F3F6EE;
  --c-footer:#07090A;
  --c-text:#F2F5F0;
  --c-text-2:#98A29A;
  --c-text-3:#6B746C;
  --c-line:#232B2A;
  --c-outline:rgba(168,232,43,.28);
  --c-ok:#2BD97C;
  --c-warn:#FFC53D;
  --c-err:#FF5A5A;
  --r-card:16px;
  --r-sm:12px;
  --r-img:20px;
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --font-mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{background:none;border:0;padding:0;cursor:pointer;font:inherit;color:inherit}
input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.3;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
summary{list-style:none}
summary::-webkit-details-marker{display:none}
::selection{background:var(--c-primary);color:#0B0D0C}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px}
@media (prefers-reduced-motion: reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}
.wrap{width:100%;max-width:1240px;margin:0 auto;padding-left:20px;padding-right:20px}
@media (min-width:768px){.wrap{padding-left:32px;padding-right:32px}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-sm);
  font-size:15px;font-weight:700;white-space:nowrap;cursor:pointer;
  transition:background .2s ease-out,color .2s ease-out,border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
}
.btn-primary{background:var(--c-primary);color:#0B0D0C}
.btn-primary:hover{background:var(--c-primary-hover);transform:translateY(-1px);box-shadow:0 0 0 4px rgba(168,232,43,.15)}
.btn-primary:active{background:var(--c-primary-active);transform:translateY(0);box-shadow:none}
.btn-ghost{border:1px solid #3A4442;color:var(--c-text);background:transparent}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-dark{background:#12160F;color:var(--c-light)}
.btn-dark:hover{background:#1E2418;transform:translateY(-1px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--c-primary);font-size:14px;font-weight:600;transition:color .2s ease-out}
.link-arrow svg{transition:transform .2s ease-out}
.link-arrow:hover{color:var(--c-primary-hover)}
.link-arrow:hover svg{transform:translateX(2px)}
.link-arrow-dark{color:#4C7A0C}
.link-arrow-dark:hover{color:#35590A}

/* ---------- 导航 ---------- */
.site-header{background:rgba(11,13,12,.78);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:36px;padding:0 12px;
  border-radius:8px;font-size:14.5px;color:var(--c-text-2);
  transition:color .2s ease-out,background-color .2s ease-out;
}
.nav-link:hover{color:var(--c-text);background:rgba(255,255,255,.04)}
.nav-link.active{color:var(--c-primary)}
.nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--c-primary);border-radius:2px;
}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:10px;border:1px solid var(--c-line);
  color:var(--c-text-2);transition:all .2s ease-out;
}
.icon-btn:hover{color:var(--c-primary);border-color:var(--c-outline)}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:15px 4px;font-size:16px;color:var(--c-text);
  border-bottom:1px solid var(--c-line);transition:color .2s ease-out;
}
.drawer-link:hover{color:var(--c-primary)}

/* ---------- 通用区块 ---------- */
.sec-title{position:relative;padding-left:14px;font-size:clamp(22px,2.6vw,32px);font-weight:800;letter-spacing:-.01em}
.sec-title::before{content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:3px;border-radius:2px;background:var(--c-primary)}
.sec-sub{margin-top:12px;font-size:15px;color:var(--c-text-2);max-width:720px}

/* ---------- Hero ---------- */
.hero-grid{
  background-image:linear-gradient(rgba(168,232,43,.55) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(168,232,43,.55) 1px,transparent 1px);
  background-size:56px 56px;
  opacity:.07;
}
.hero-h1{
  font-size:clamp(30px,4.6vw,56px);
  font-weight:900;line-height:1.15;letter-spacing:-.015em;
}
.pill{
  display:inline-flex;align-items:center;gap:6px;height:32px;padding:0 14px;
  border-radius:999px;border:1px solid var(--c-line);background:rgba(255,255,255,.02);
  font-size:13px;color:var(--c-text-2);transition:border-color .2s ease-out,color .2s ease-out;
}
.pill:hover{border-color:var(--c-outline);color:var(--c-text)}
.pill i{width:6px;height:6px;border-radius:50%;background:var(--c-primary);display:inline-block}

/* ---------- 卡片 ---------- */
.card{
  position:relative;background:var(--c-panel);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:28px;
  transition:border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
}
.card:hover{border-color:var(--c-outline);transform:translateY(-2px);box-shadow:inset 0 0 0 1px rgba(168,232,43,.08)}
.card-bar::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;
  border-radius:var(--r-card) var(--r-card) 0 0;background:var(--c-primary);
}
.card-accent::before{background:var(--c-accent)}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;line-height:1;background:rgba(168,232,43,.12);color:var(--c-primary);
  white-space:nowrap;
}
.badge-warn{background:rgba(255,197,61,.14);color:var(--c-warn)}
.badge-accent{background:rgba(255,107,53,.14);color:var(--c-accent)}
.badge-soft{background:rgba(242,245,240,.07);color:var(--c-text-2)}

/* ---------- 痛点列表 ---------- */
.pain-list{border-left:1px solid var(--c-line);padding-left:26px;display:flex;flex-direction:column;gap:34px}
.pain-num{font-family:var(--font-mono);font-size:14px;letter-spacing:.08em;color:var(--c-accent)}

/* ---------- 数据区 ---------- */
.data-num{font-family:var(--font-mono);font-size:clamp(36px,4vw,52px);font-weight:800;line-height:1;letter-spacing:-.02em}

/* ---------- 表单 ---------- */
.field{
  width:100%;height:48px;border-radius:var(--r-sm);border:1px solid var(--c-line);
  background:var(--c-panel-soft);padding:0 14px;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.field::placeholder{color:#5C655D}
.field:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(168,232,43,.16)}
textarea.field{height:auto;min-height:132px;padding:12px 14px;line-height:1.7;resize:vertical}
select.field{appearance:none;-webkit-appearance:none;
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2398A29A' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;padding-right:40px;
}
.field-light{background:#FFFFFF;border-color:rgba(18,22,15,.16);color:#12160F}
.field-light::placeholder{color:#8A9186}
.field-light:focus{border-color:#4C7A0C;box-shadow:0 0 0 3px rgba(76,122,12,.16)}
.form-label{display:block;font-size:13px;font-weight:600;margin-bottom:8px}
.checkbox{width:18px;height:18px;accent-color:#4C7A0C;cursor:pointer}

/* ---------- FAQ ---------- */
.faq-wrap{border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;background:rgba(19,23,26,.6)}
.faq-item + .faq-item{border-top:1px solid var(--c-line)}
.faq-item summary{
  display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:16px;font-weight:600;color:var(--c-text);cursor:pointer;
  transition:color .2s ease-out;
}
.faq-item summary:hover{color:var(--c-primary)}
.faq-mark{
  flex:none;width:22px;height:22px;margin-top:3px;border-radius:999px;
  border:1px solid var(--c-outline);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-size:15px;line-height:1;
  transition:transform .2s ease-out;
}
.faq-item[open] .faq-mark{transform:rotate(45deg)}
.faq-body{padding:0 24px 22px;color:var(--c-text-2);font-size:15px;line-height:1.8}

/* ---------- 截断 ---------- */
.clamp-1{display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.clamp-3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- CTA 条 ---------- */
.cta-bar{
  border-radius:18px;border:1px solid var(--c-outline);
  background:linear-gradient(100deg, rgba(168,232,43,.16) 0%, rgba(255,107,53,.13) 55%, rgba(168,232,43,.06) 100%);
}

/* ---------- 页脚 ---------- */
.footer-link{display:block;font-size:13.5px;line-height:1.9;color:var(--c-text-2);transition:color .2s ease-out}
.footer-link:hover{color:var(--c-primary)}

/* ---------- 抽屉 ---------- */
.drawer-panel{transition:transform .22s ease-out}
.drawer-mask{transition:opacity .22s ease-out}

/* roulang page: article */
:root{
    --brand:#A8E82B;
    --brand-hover:#BEF24E;
    --brand-press:#93CE22;
    --brand-line:rgba(168,232,43,.28);
    --accent:#FF6B35;
    --bg:#0B0D0C;
    --panel:#13171A;
    --panel-soft:#101413;
    --light:#F3F6EE;
    --foot:#07090A;
    --t1:#F2F5F0;
    --t2:#98A29A;
    --t3:#6B746C;
    --line:#232B2A;
    --ok:#2BD97C;
    --warn:#FFC53D;
    --err:#FF5A5A;
    --r-card:16px;
    --r-md:14px;
    --r-sm:12px;
    --r-pill:999px;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--t1);
    font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
    font-size:16px;
    line-height:1.85;
    letter-spacing:.01em;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button,input,select,textarea{font:inherit;color:inherit;}
  a,button,summary,label[for]{cursor:pointer;}
  h1,h2,h3,h4,p,figure,blockquote{margin:0;}
  :focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}
  ::selection{background:rgba(168,232,43,.3);color:#0B0D0C;}

  .wrap{width:100%;max-width:1240px;margin-inline:auto;padding-inline:20px;}
  @media (min-width:768px){.wrap{padding-inline:32px;}}

  /* ---------- 顶部导航 ---------- */
  .site-header{
    background:rgba(11,13,12,.8);
    -webkit-backdrop-filter:blur(8px);
    backdrop-filter:blur(8px);
  }
  .nav-link{
    position:relative;
    display:inline-flex;
    align-items:center;
    height:72px;
    padding:0 12px;
    font-size:14px;
    font-weight:600;
    color:var(--t2);
    transition:color .2s ease-out;
    white-space:nowrap;
  }
  .nav-link:hover{color:var(--t1);}
  .nav-link.active{color:var(--brand);}
  .nav-link.active::after{
    content:"";
    position:absolute;
    left:12px;right:12px;bottom:8px;
    height:2px;border-radius:2px;background:var(--brand);
  }
  .icon-btn{
    display:inline-flex;align-items:center;justify-content:center;
    width:40px;height:40px;border-radius:var(--r-sm);
    border:1px solid var(--line);background:var(--panel-soft);color:var(--t2);
    transition:color .2s ease-out,border-color .2s ease-out,transform .2s ease-out,background .2s ease-out;
  }
  .icon-btn:hover{color:var(--brand);border-color:var(--brand-line);transform:translateY(-1px);}
  .icon-btn:active{transform:translateY(0);background:var(--panel);}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border-radius:var(--r-sm);
    font-weight:700;font-size:15px;
    padding:12px 24px;
    border:1px solid transparent;
    white-space:nowrap;
    transition:background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
  }
  .btn-primary{background:var(--brand);color:#0B0D0C;}
  .btn-primary:hover{background:var(--brand-hover);transform:translateY(-1px);box-shadow:0 0 0 4px rgba(168,232,43,.15);}
  .btn-primary:active{background:var(--brand-press);transform:translateY(0);box-shadow:none;}
  .btn-ghost{background:transparent;border-color:#3A4442;color:var(--t1);}
  .btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px);}
  .btn-ghost:active{transform:translateY(0);}
  .btn-sm{padding:9px 18px;font-size:14px;border-radius:10px;}

  /* ---------- 徽章 / 短竖线 ---------- */
  .badge{
    display:inline-flex;align-items:center;gap:6px;
    padding:5px 12px;border-radius:var(--r-pill);
    font-size:12px;font-weight:600;letter-spacing:0;
    background:rgba(168,232,43,.12);color:var(--brand);
    border:1px solid var(--brand-line);
  }
  .badge-accent{background:rgba(255,107,53,.12);color:var(--accent);border-color:rgba(255,107,53,.3);}
  .side-bar{display:inline-block;width:3px;height:14px;border-radius:2px;background:var(--brand);flex:none;}

  /* ---------- 面包屑 ---------- */
  .breadcrumb{
    display:flex;flex-wrap:wrap;align-items:center;gap:8px;
    font-size:13px;color:var(--t3);
  }
  .breadcrumb a{color:var(--t2);transition:color .18s ease-out;}
  .breadcrumb a:hover{color:var(--brand);}
  .breadcrumb .sep{color:var(--t3);}
  .breadcrumb .cur{color:var(--brand);}

  /* ---------- 文章头部 ---------- */
  .meta-bar{
    display:flex;flex-wrap:wrap;align-items:center;gap:9px 18px;
    margin-top:20px;padding:12px 16px;
    border:1px solid var(--line);border-radius:var(--r-sm);
    background:var(--panel-soft);
    font-size:13px;color:var(--t2);
  }
  .meta-label{color:var(--t3);margin-right:6px;}
  .meta-dot{width:4px;height:4px;border-radius:50%;background:var(--t3);display:inline-block;}
  .cover-img{
    width:100%;aspect-ratio:16/9;object-fit:cover;
    border-radius:var(--r-card);border:1px solid var(--line);
    margin-top:26px;background:var(--panel);
  }

  /* ---------- 正文阅读区 ---------- */
  .article-body{
    max-width:760px;
    margin-top:36px;
    font-size:17px;
    line-height:1.9;
    letter-spacing:.01em;
    color:var(--t1);
    word-break:break-word;
  }
  .article-body > * + *{margin-top:1.1em;}
  .article-body p{margin:0;}
  .article-body h2{
    position:relative;
    font-size:24px;font-weight:800;line-height:1.4;letter-spacing:-.01em;
    margin-top:2.1em;margin-bottom:.7em;padding-left:14px;
  }
  .article-body h2::before{
    content:"";position:absolute;left:0;top:.3em;bottom:.3em;
    width:3px;border-radius:2px;background:var(--brand);
  }
  .article-body h3{font-size:19px;font-weight:700;line-height:1.5;margin-top:1.6em;margin-bottom:.6em;}
  .article-body h4{font-size:17px;font-weight:700;margin-top:1.3em;margin-bottom:.5em;}
  .article-body ul,.article-body ol{padding-left:1.4em;margin:0;}
  .article-body li + li{margin-top:.4em;}
  .article-body ul li::marker{color:var(--brand);}
  .article-body ol li::marker{color:var(--brand);font-weight:700;}
  .article-body blockquote{
    margin:0;padding:14px 18px;
    border-left:3px solid var(--accent);
    border-radius:0 var(--r-sm) var(--r-sm) 0;
    background:rgba(255,107,53,.06);
    color:var(--t2);font-size:16px;
  }
  .article-body table{
    width:100%;border-collapse:collapse;font-size:15px;
    border:1px solid var(--line);border-radius:var(--r-sm);overflow:hidden;
  }
  .article-body th{
    background:var(--panel);text-align:left;font-weight:700;
    padding:10px 14px;border-bottom:1px solid var(--line);
  }
  .article-body td{padding:10px 14px;border-bottom:1px solid var(--line);color:var(--t2);}
  .article-body tr:last-child td{border-bottom:0;}
  .article-body tbody tr:nth-child(even) td{background:rgba(255,255,255,.022);}
  .article-body img{border-radius:var(--r-sm);margin-inline:auto;max-width:100%;height:auto;}
  .article-body figure{margin:1.4em 0;}
  .article-body figcaption{font-size:12px;color:var(--t3);text-align:center;margin-top:10px;line-height:1.7;}
  .article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;transition:color .18s ease-out;}
  .article-body a:hover{color:var(--brand-hover);}
  .article-body strong{font-weight:800;color:#FFFFFF;}
  .article-body code{
    font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
    font-size:.9em;background:var(--panel);
    padding:2px 6px;border-radius:6px;border:1px solid var(--line);
  }
  .article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0;}

  .empty-box{
    margin-top:36px;
    border:1px solid var(--line);border-radius:var(--r-card);
    background:var(--panel);padding:56px 24px;text-align:center;
  }
  .empty-icon{
    width:52px;height:52px;margin:0 auto 18px;
    display:flex;align-items:center;justify-content:center;
    border-radius:16px;border:1px solid var(--line);background:var(--panel-soft);
    color:var(--t3);
  }

  /* ---------- 侧栏 ---------- */
  .side-card{
    border:1px solid var(--line);border-radius:var(--r-card);
    background:var(--panel);padding:20px;
  }
  .side-item{
    display:flex;gap:12px;align-items:baseline;
    padding:12px 0;transition:transform .2s ease-out;
  }
  .side-item:hover{transform:translateX(2px);}
  .side-idx{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px;color:var(--t3);flex:none;}
  .side-title{font-size:14.5px;line-height:1.55;color:var(--t1);transition:color .18s ease-out;}
  .side-item:hover .side-title{color:var(--brand);}

  .rel-card{
    display:flex;gap:12px;align-items:center;
    padding:10px;border-radius:var(--r-md);
    border:1px solid transparent;
    transition:border-color .2s ease-out,transform .2s ease-out,background-color .2s ease-out;
  }
  .rel-card:hover{border-color:var(--brand-line);background:rgba(168,232,43,.045);transform:translateY(-2px);}
  .rel-title{display:block;font-size:14px;font-weight:600;color:var(--t1);line-height:1.5;}
  .rel-card:hover .rel-title{color:var(--brand);}
  .rel-desc{display:block;font-size:12px;color:var(--t3);line-height:1.6;margin-top:2px;}

  /* ---------- CTA 条 ---------- */
  .cta-bar{
    display:flex;flex-direction:column;gap:18px;
    align-items:flex-start;justify-content:space-between;
    border-radius:18px;padding:26px 24px;
    background:linear-gradient(118deg,rgba(168,232,43,.16),rgba(255,107,53,.12));
    border:1px solid var(--brand-line);
  }
  @media (min-width:768px){
    .cta-bar{flex-direction:row;align-items:center;padding:30px 36px;}
  }

  /* ---------- 页脚 ---------- */
  .footer-link{
    display:block;
    font-size:13.5px;line-height:1.9;color:var(--t2);
    transition:color .18s ease-out;
  }
  .footer-link:hover{color:var(--brand);}

  /* ---------- 移动端抽屉 ---------- */
  .drawer{
    position:fixed;top:0;right:0;z-index:80;
    height:100%;width:min(86vw,340px);
    background:var(--panel);
    border-left:1px solid var(--line);
    display:flex;flex-direction:column;
    transform:translateX(102%);
    transition:transform .24s ease-out;
  }
  .drawer.open{transform:translateX(0);}
  .drawer-mask{
    position:fixed;inset:0;z-index:70;
    background:rgba(0,0,0,.72);
    opacity:0;pointer-events:none;
    transition:opacity .24s ease-out;
  }
  .drawer-mask.open{opacity:1;pointer-events:auto;}
  .drawer-link{
    display:block;padding:13px 0;
    font-size:15px;color:var(--t2);
    border-bottom:1px solid var(--line);
    transition:color .18s ease-out;
  }
  .drawer-link:hover,.drawer-link.active{color:var(--brand);}

  @media (prefers-reduced-motion: reduce){
    *,*::before,*::after{
      transition-duration:.01ms !important;
      animation-duration:.01ms !important;
    }
    html{scroll-behavior:auto;}
  }

/* roulang page: category1 */
:root{
  --brand:#A8E82B; --brand-hover:#BEF24E; --brand-press:#93CE22;
  --accent:#FF6B35;
  --bg:#0B0D0C; --panel:#13171A; --panel-soft:#101413; --light:#F3F6EE; --foot:#07090A;
  --t1:#F2F5F0; --t2:#98A29A; --t3:#6B746C;
  --line:#232B2A; --line-brand:rgba(168,232,43,.28);
  --ok:#2BD97C; --warn:#FFC53D; --err:#FF5A5A;
  --r-card:16px; --r-sm:12px; --r-pill:999px;
  --font-zh:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --font-mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body.site-body{
  margin:0;
  background:var(--bg);
  color:var(--t1);
  font-family:var(--font-zh);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{letter-spacing:-0.01em;margin:0}
p{margin:0}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit;color:inherit}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums}
.wrap{max-width:1240px;margin:0 auto;padding-left:20px;padding-right:20px}
@media (min-width:768px){.wrap{padding-left:32px;padding-right:32px}}
.site-header{background:rgba(11,13,12,.78);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.nav-link{position:relative;display:inline-flex;align-items:center;height:40px;padding:0 12px;font-size:14.5px;font-weight:500;color:var(--t2);border-radius:10px;transition:color .18s ease-out,background-color .18s ease-out}
.nav-link:hover{color:var(--t1);background:rgba(255,255,255,.04)}
.nav-link.active{color:var(--brand);font-weight:700}
.nav-link.active::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--brand)}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:transparent;color:var(--t2);cursor:pointer;transition:all .18s ease-out}
.icon-btn:hover{color:var(--brand);border-color:var(--line-brand);background:rgba(168,232,43,.06)}
.icon-btn:active{transform:translateY(1px)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.45rem;border-radius:var(--r-sm);padding:12px 24px;border:1px solid transparent;font-size:15px;font-weight:700;line-height:1;cursor:pointer;transition:all .2s ease-out}
.btn-primary{background:var(--brand);color:#0B0D0C}
.btn-primary:hover{background:var(--brand-hover);transform:translateY(-1px);box-shadow:0 0 0 4px rgba(168,232,43,.15)}
.btn-primary:active{background:var(--brand-press);transform:translateY(0);box-shadow:none}
.btn-ghost{background:transparent;border-color:#3A4442;color:var(--t1)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn-ghost:active{background:rgba(168,232,43,.08)}
.btn-sm{padding:9px 16px;font-size:13.5px;border-radius:10px}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.footer-link{display:block;font-size:13.5px;line-height:1.9;color:var(--t2);transition:color .18s ease-out}
.footer-link:hover{color:var(--brand)}
.drawer-link{display:flex;align-items:center;height:46px;padding:0 4px;font-size:15.5px;color:var(--t2);border-bottom:1px solid var(--line);transition:color .18s ease-out}
.drawer-link:hover{color:var(--t1)}
.drawer-link.active{color:var(--brand);font-weight:700}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;letter-spacing:.08em;color:var(--brand)}
.eyebrow::before{content:"";display:inline-block;width:3px;height:12px;border-radius:2px;background:var(--brand)}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--t3)}
.crumb a{color:var(--t3);transition:color .18s ease-out}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:#3A4442}
.crumb .now{color:var(--brand)}
.h2-title{font-size:26px;font-weight:800;line-height:1.3}
@media (min-width:768px){.h2-title{font-size:30px}}
.h2-bar{position:relative;padding-left:14px}
.h2-bar::before{content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:3px;border-radius:2px;background:var(--brand)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand)}
.link-arrow span{transition:transform .18s ease-out}
.link-arrow:hover span{transform:translateX(2px)}
.tag{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:var(--r-pill);font-size:12px;font-weight:600;line-height:1.5}
.tag-ok{color:var(--ok);background:rgba(43,217,124,.12)}
.tag-warn{color:var(--warn);background:rgba(255,197,61,.12)}
.tag-hold{color:var(--accent);background:rgba(255,107,53,.12)}
.tag-brand{color:var(--brand);background:rgba(168,232,43,.12)}
.line-card{position:relative;display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--line);border-radius:var(--r-card);padding:24px 24px 22px 28px;transition:border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out}
.line-card::before{content:"";position:absolute;left:0;top:16px;bottom:16px;width:4px;border-radius:0 4px 4px 0;background:var(--brand)}
.line-card:hover{border-color:var(--line-brand);transform:translateY(-2px);box-shadow:inset 0 0 0 1px rgba(168,232,43,.08)}
.sect-divider{border-top:1px solid var(--line)}
.on-light{background:var(--light);color:#12160F}
.on-light .muted{color:#5A6355}
.stat-num{font-family:var(--font-mono);font-weight:800;font-size:clamp(36px,5vw,52px);line-height:1;color:#12160F}
.check-row{position:relative;padding:0 0 28px 56px}
.check-row:last-child{padding-bottom:0}
.check-row::before{content:"";position:absolute;left:19px;top:34px;bottom:0;width:1px;background:var(--line)}
.check-row:last-child::before{display:none}
.check-no{position:absolute;left:0;top:2px;width:38px;height:38px;border-radius:12px;border:1px solid var(--line-brand);background:rgba(168,232,43,.08);color:var(--brand);display:flex;align-items:center;justify-content:center;font-family:var(--font-mono);font-size:14px;font-weight:700}
.faq-panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden}
.faq-item{border-top:1px solid var(--line)}
.faq-item:first-child{border-top:0}
.faq-item summary{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;padding:20px 22px;cursor:pointer;list-style:none;font-size:16.5px;font-weight:700;color:var(--t1);transition:background-color .18s ease-out}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:rgba(255,255,255,.03)}
.faq-plus{flex:none;width:24px;height:24px;border-radius:var(--r-pill);border:1px solid var(--line-brand);color:var(--brand);display:inline-flex;align-items:center;justify-content:center;font-size:16px;line-height:1;transition:transform .2s ease-out,background-color .2s ease-out}
.faq-item[open] .faq-plus{transform:rotate(45deg);background:rgba(168,232,43,.14)}
.faq-a{padding:0 22px 22px;color:var(--t2);font-size:15px;line-height:1.85}
.cta-bar{background:linear-gradient(90deg,rgba(168,232,43,.16),rgba(255,107,53,.14));border:1px solid var(--line-brand);border-radius:18px}
.soft-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r-card);padding:22px;transition:border-color .2s ease-out,transform .2s ease-out}
.soft-card:hover{border-color:var(--line-brand);transform:translateY(-2px)}
.card-top-bar{height:3px;border-radius:3px;background:var(--brand)}
.card-top-bar.accent{background:var(--accent)}
.grid-fade{background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);background-size:44px 44px}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: category2 */
:root{
    --brand:#A8E82B; --brand-hover:#BEF24E; --brand-press:#93CE22;
    --accent:#FF6B35;
    --page:#0B0D0C; --panel:#13171A; --panel-soft:#101413; --light:#F3F6EE; --foot:#07090A;
    --t1:#F2F5F0; --t2:#98A29A; --t3:#6B746C; --line:#232B2A; --line-strong:#3A4442;
    --ok:#2BD97C; --warn:#FFC53D; --err:#FF5A5A;
    --r-card:16px; --r-sm:12px; --r-img:20px;
    --mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  }
  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    margin:0;padding-bottom:76px;background:var(--page);color:var(--t1);
    font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
    font-size:16px;line-height:1.85;letter-spacing:.01em;
    -webkit-font-smoothing:antialiased;
  }
  @media (min-width:1024px){ body{padding-bottom:0} }
  img{display:block;max-width:100%}
  a{color:inherit;text-decoration:none}
  button,input,select,textarea{font:inherit;color:inherit}
  h1,h2,h3,h4,p,ul,ol{margin:0}
  a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}

  .wrap{max-width:1240px;margin:0 auto;padding-left:20px;padding-right:20px}
  @media (min-width:768px){ .wrap{padding-left:32px;padding-right:32px} }
  .mono{font-family:var(--mono);font-variant-numeric:tabular-nums}

  /* ---------- 导航 ---------- */
  .site-header{background:rgba(11,13,12,.78);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
  .nav-link{
    display:inline-flex;align-items:center;padding:10px 12px;font-size:14.5px;color:var(--t2);
    border-bottom:2px solid transparent;transition:color .2s ease-out,border-color .2s ease-out;
  }
  .nav-link:hover{color:var(--t1)}
  .nav-link.active{color:var(--brand);border-bottom-color:var(--brand)}
  .icon-btn{
    display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:10px;
    border:1px solid var(--line);background:transparent;color:var(--t2);cursor:pointer;
    transition:border-color .2s ease-out,color .2s ease-out,background .2s ease-out;
  }
  .icon-btn:hover{border-color:rgba(168,232,43,.45);color:var(--brand);background:rgba(168,232,43,.06)}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:var(--r-sm);
    font-size:15px;font-weight:700;line-height:1;cursor:pointer;border:1px solid transparent;
    transition:background .2s ease-out,color .2s ease-out,border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
  }
  .btn-primary{background:var(--brand);color:#0B0D0C}
  .btn-primary:hover{background:var(--brand-hover);transform:translateY(-1px);box-shadow:0 0 0 4px rgba(168,232,43,.15)}
  .btn-primary:active{background:var(--brand-press);transform:translateY(0);box-shadow:none}
  .btn-outline{background:transparent;border-color:var(--line-strong);color:var(--t1)}
  .btn-outline:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px)}
  .btn-sm{padding:9px 16px;font-size:14px}
  .btn-dark{background:#0B0D0C;color:#F2F5F0;border-color:rgba(11,13,12,.4)}
  .btn-dark:hover{background:#151A19}

  /* ---------- 标题与标签 ---------- */
  .h1{font-size:clamp(27px,3.6vw,44px);line-height:1.2;font-weight:900;letter-spacing:-.01em}
  .h2{display:inline-flex;align-items:center;gap:12px;font-size:clamp(21px,2.5vw,29px);line-height:1.3;font-weight:800;letter-spacing:-.01em}
  .h2::before{content:"";display:block;width:3px;height:26px;border-radius:2px;background:var(--brand)}
  .h3{font-size:19px;line-height:1.45;font-weight:700}
  .badge{
    display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:5px 12px;
    font-size:12px;font-weight:700;background:rgba(168,232,43,.12);color:var(--brand);
  }
  .badge-accent{background:rgba(255,107,53,.12);color:var(--accent)}
  .badge-muted{background:rgba(152,162,154,.14);color:var(--t2)}

  /* ---------- 卡片 ---------- */
  .card{
    background:var(--panel);border:1px solid var(--line);border-radius:var(--r-card);padding:26px;
    transition:border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
  }
  .card:hover{border-color:rgba(168,232,43,.28);transform:translateY(-2px);box-shadow:inset 0 0 0 1px rgba(168,232,43,.06)}
  .card-bar{border-top:3px solid var(--brand);border-radius:var(--r-card)}
  .card-bar-accent{border-top:3px solid var(--accent)}
  .link-more{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-size:14px;font-weight:700}
  .link-more span{transition:transform .2s ease-out}
  .link-more:hover span{transform:translateX(3px)}

  /* ---------- 提示条 ---------- */
  .notice{
    border-left:3px solid var(--accent);background:rgba(255,107,53,.08);border-radius:0 var(--r-sm) var(--r-sm) 0;
    padding:16px 20px;font-size:14.5px;line-height:1.85;
  }
  .notice strong{color:#FFB395}

  /* ---------- 准备清单 ---------- */
  .prep-item{position:relative;padding-left:26px}
  .prep-item::before{content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:50%;background:var(--brand)}
  .prep-list{border-left:1px solid var(--line);padding-left:22px}

  /* ---------- 步骤时间轴 ---------- */
  .step{position:relative;display:flex;gap:20px;padding-bottom:30px}
  .step:last-child{padding-bottom:0}
  .step:not(:last-child)::before{content:"";position:absolute;left:17px;top:42px;bottom:4px;width:1px;background:var(--line)}
  .step-num{
    flex:none;width:36px;font-family:var(--mono);font-size:30px;font-weight:800;line-height:1;color:var(--brand);padding-top:3px;
  }
  .step-title{font-size:19px;font-weight:700;line-height:1.45}
  .step-text{margin-top:8px;font-size:15px;line-height:1.85;color:var(--t2)}

  /* ---------- 浅底反色区 ---------- */
  .light-section{background:var(--light);color:#12160F}
  .light-section .h2{color:#12160F}
  .light-section .h2::before{background:#5E8A12}
  .light-section .sub{color:#4C5548}
  .stat-num{font-family:var(--mono);font-size:clamp(34px,4.4vw,50px);font-weight:800;line-height:1;color:#12160F}
  .stat-label{font-size:13px;line-height:1.7;color:#5A6553;margin-top:10px}
  .stat-note{font-size:12px;color:#7C8774;margin-top:8px}

  /* ---------- FAQ ---------- */
  .faq-box{border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:var(--panel)}
  .faq-item{border-bottom:1px solid var(--line)}
  .faq-item:last-child{border-bottom:0}
  .faq-item summary{
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:18px 22px;cursor:pointer;list-style:none;font-size:16.5px;font-weight:700;line-height:1.5;
    transition:color .2s ease-out,background .2s ease-out;
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary:hover{color:var(--brand);background:rgba(168,232,43,.04)}
  .faq-icon{position:relative;flex:none;width:16px;height:16px}
  .faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--brand);border-radius:2px}
  .faq-icon::before{left:0;top:7px;width:16px;height:2px}
  .faq-icon::after{left:7px;top:0;width:2px;height:16px;transition:transform .2s ease-out}
  details[open] .faq-icon::after{transform:scaleY(0)}
  .faq-answer{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--t2)}

  /* ---------- 表单 ---------- */
  .field{margin-bottom:18px}
  .field label{display:block;font-size:13px;color:var(--t2);margin-bottom:8px}
  .field input,.field select,.field textarea{
    width:100%;background:var(--panel-soft);border:1px solid var(--line);border-radius:var(--r-sm);
    padding:13px 14px;font-size:15px;line-height:1.6;transition:border-color .2s ease-out,box-shadow .2s ease-out;
  }
  .field select{height:48px;padding:0 14px}
  .field input{height:48px}
  .field textarea{min-height:120px;resize:vertical}
  .field input:focus,.field select:focus,.field textarea:focus{
    outline:none;border-color:var(--brand);box-shadow:0 0 0 2px rgba(168,232,43,.22);
  }
  .check-row{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--t2);line-height:1.75}
  .check-row input{width:16px;height:16px;margin-top:4px;accent-color:#A8E82B;flex:none}
  .privacy-note{font-size:12.5px;line-height:1.85;color:var(--t3)}

  /* ---------- CTA 条 ---------- */
  .cta-bar{
    border:1px solid rgba(168,232,43,.28);border-radius:18px;padding:26px 28px;
    background:linear-gradient(118deg,rgba(168,232,43,.16),rgba(255,107,53,.13) 92%);
  }

  /* ---------- 页脚 ---------- */
  .footer-link{display:block;padding:5px 0;font-size:13.5px;line-height:1.9;color:var(--t2);transition:color .2s ease-out}
  .footer-link:hover{color:var(--brand)}

  /* ---------- 移动端抽屉 ---------- */
  .drawer{
    position:fixed;top:0;right:0;z-index:60;height:100%;width:min(330px,86vw);padding:20px 20px 28px;
    background:#0E1211;border-left:1px solid var(--line);overflow-y:auto;
    transform:translateX(101%);transition:transform .24s ease-out;
  }
  .drawer.open{transform:translateX(0)}
  .drawer-link{display:block;padding:13px 4px;font-size:15px;color:var(--t2);border-bottom:1px solid var(--line)}
  .drawer-link.active{color:var(--brand)}
  .overlay{position:fixed;inset:0;z-index:55;background:rgba(0,0,0,.62);opacity:0;visibility:hidden;transition:opacity .2s ease-out,visibility .2s ease-out}
  .overlay.open{opacity:1;visibility:visible}

  /* ---------- 底部固定操作条 ---------- */
  .mobile-bar{
    position:fixed;left:0;right:0;bottom:0;z-index:40;display:flex;gap:10px;
    padding:9px 16px calc(9px + env(safe-area-inset-bottom));
    background:rgba(7,9,10,.95);border-top:1px solid var(--line);backdrop-filter:blur(8px);
  }
  .mobile-bar .btn{flex:1;padding:11px 12px;font-size:14px}
  @media (min-width:1024px){ .mobile-bar{display:none} }

  @media (prefers-reduced-motion: reduce){
    html{scroll-behavior:auto}
    *{transition-duration:.01ms !important;animation-duration:.01ms !important}
  }

/* roulang page: category3 */
:root{
    --brand:#A8E82B;
    --brand-hover:#BEF24E;
    --brand-press:#93CE22;
    --accent:#FF6B35;
    --page:#0B0D0C;
    --panel:#13171A;
    --panel-soft:#101413;
    --light:#F3F6EE;
    --foot:#07090A;
    --t1:#F2F5F0;
    --t2:#98A29A;
    --t3:#6B746C;
    --line:#232B2A;
    --line-2:#3A4442;
    --brand-line:rgba(168,232,43,.28);
    --ok:#2BD97C;
    --warn:#FFC53D;
    --err:#FF5A5A;
    --r-card:16px;
    --r-sm:12px;
    --r-pill:999px;
    --mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,"Courier New",monospace;
    --dur:.2s;
  }

  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{margin:0}

  .site-body{
    background:var(--page);
    color:var(--t1);
    font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
    font-size:16px;
    line-height:1.85;
    letter-spacing:.01em;
    -webkit-font-smoothing:antialiased;
  }

  img{max-width:100%;height:auto;display:block}
  a{color:inherit;text-decoration:none}
  button,input,select,textarea{font:inherit;color:inherit}
  button{cursor:pointer;background:none;border:0}
  h1,h2,h3,h4{margin:0;letter-spacing:-.01em}
  ul{margin:0;padding:0;list-style:none}

  .wrap{width:100%;max-width:1240px;margin:0 auto;padding-left:20px;padding-right:20px}
  @media (min-width:768px){.wrap{padding-left:32px;padding-right:32px}}

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

  /* 顶部导航 */
  .site-header{
    background:rgba(11,13,12,.78);
    -webkit-backdrop-filter:blur(6px);
    backdrop-filter:blur(6px);
  }
  .nav-link{
    position:relative;
    display:inline-flex;
    align-items:center;
    height:34px;
    padding:0 12px;
    font-size:14px;
    color:var(--t2);
    border-radius:10px;
    transition:color var(--dur) ease-out,background-color var(--dur) ease-out;
  }
  .nav-link:hover{color:var(--t1);background:rgba(255,255,255,.03)}
  .nav-link::after{
    content:'';
    position:absolute;
    left:12px;right:12px;bottom:1px;
    height:2px;border-radius:2px;
    background:transparent;
    transition:background-color var(--dur) ease-out;
  }
  .nav-link.active{color:var(--brand)}
  .nav-link.active::after{background:var(--brand)}

  .icon-btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:38px;height:38px;
    border-radius:10px;
    border:1px solid var(--line);
    color:var(--t2);
    transition:color var(--dur) ease-out,border-color var(--dur) ease-out,background-color var(--dur) ease-out;
  }
  .icon-btn:hover{color:var(--brand);border-color:var(--brand-line);background:rgba(168,232,43,.06)}

  /* 按钮 */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    padding:12px 24px;
    border-radius:var(--r-sm);
    font-size:15px;
    font-weight:700;
    border:1px solid transparent;
    cursor:pointer;
    transition:background-color var(--dur) ease-out,color var(--dur) ease-out,border-color var(--dur) ease-out,transform var(--dur) ease-out,box-shadow var(--dur) ease-out;
  }
  .btn-primary{background:var(--brand);color:#0B0D0C}
  .btn-primary:hover{background:var(--brand-hover);transform:translateY(-1px);box-shadow:0 0 0 4px rgba(168,232,43,.15)}
  .btn-primary:active{background:var(--brand-press);transform:translateY(0)}
  .btn-ghost{background:transparent;border-color:var(--line-2);color:var(--t1)}
  .btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
  .btn-sm{padding:9px 18px;font-size:14px}

  /* 面包屑 */
  .breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--t3)}
  .breadcrumb a{color:var(--t2);transition:color var(--dur) ease-out}
  .breadcrumb a:hover{color:var(--brand)}
  .breadcrumb .cur{color:var(--brand)}

  /* 标签与徽章 */
  .pill{
    display:inline-flex;align-items:center;height:30px;padding:0 14px;
    border-radius:var(--r-pill);border:1px solid var(--line);
    background:rgba(255,255,255,.02);font-size:13px;color:var(--t2);
  }
  .badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);font-size:12px;font-weight:700;line-height:1;white-space:nowrap}
  .badge-brand{background:rgba(168,232,43,.12);color:var(--brand)}
  .badge-accent{background:rgba(255,107,53,.12);color:var(--accent)}
  .badge-muted{background:rgba(152,162,154,.12);color:var(--t2)}

  .link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-size:14px;font-weight:700;transition:color var(--dur) ease-out}
  .link-arrow .arw{transition:transform var(--dur) ease-out}
  .link-arrow:hover .arw{transform:translateX(3px)}

  /* 页头小图 */
  .head-figure{position:relative;overflow:hidden;border-radius:var(--r-card);border:1px solid var(--line);background:#13171A;aspect-ratio:4/3}
  .head-figure img{width:100%;height:100%;object-fit:cover}
  .head-figure::after{content:'';position:absolute;inset:0;background:linear-gradient(155deg,rgba(11,13,12,.10),rgba(11,13,12,.72))}

  /* 浅色反色区块 */
  .light-block{background:var(--light);color:#12160F}
  .ink{color:#12160F}
  .ink-soft{color:#5B645A}
  .stat-num{font-family:var(--mono);font-size:clamp(34px,4.4vw,52px);font-weight:800;line-height:1;color:#12160F;letter-spacing:-.02em}
  .stat-note{font-size:13px;line-height:1.7;color:#5B645A}

  /* 时间线 */
  .tl{border-top:1px solid var(--line)}
  .tl-item{
    display:grid;grid-template-columns:1fr;gap:10px;
    padding:20px 0;border-bottom:1px solid var(--line);
    transition:background-color var(--dur) ease-out;
  }
  .tl-item:hover{background:linear-gradient(90deg,rgba(168,232,43,.05),rgba(168,232,43,0) 62%)}
  .tl-date{font-family:var(--mono);font-size:13.5px;color:var(--brand);letter-spacing:.02em;padding-top:3px}
  @media (min-width:768px){
    .tl-item{grid-template-columns:136px 1fr;gap:24px;padding:24px 0}
  }

  /* 小卡 */
  .mini-card{
    border:1px solid var(--line);border-radius:var(--r-card);background:var(--panel);
    padding:18px 18px 20px;
    transition:border-color var(--dur) ease-out,transform var(--dur) ease-out,box-shadow var(--dur) ease-out;
  }
  .mini-card:hover{
    border-color:var(--brand-line);
    transform:translateY(-2px);
    box-shadow:inset 0 0 0 1px rgba(168,232,43,.06);
  }
  .mini-card .num{font-family:var(--mono);font-size:13px;font-weight:700;color:var(--brand);letter-spacing:.04em}

  .notice{
    border:1px solid var(--line);
    border-left:3px solid var(--accent);
    border-radius:var(--r-sm);
    background:var(--panel);
    padding:16px 18px;
    font-size:14.5px;
    line-height:1.85;
    color:var(--t2);
  }

  /* 表单 */
  .field-label{display:block;font-size:13px;color:var(--t2);margin-bottom:8px}
  .field{
    width:100%;height:48px;
    background:var(--panel-soft);
    border:1px solid var(--line);
    border-radius:var(--r-sm);
    padding:0 14px;
    font-size:15px;
    transition:border-color var(--dur) ease-out,box-shadow var(--dur) ease-out;
  }
  .field::placeholder{color:var(--t3)}
  .field:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 2px rgba(168,232,43,.28)}
  textarea.field{height:auto;min-height:128px;padding:12px 14px;line-height:1.8;resize:vertical}
  select.field{appearance:none;background-image:linear-gradient(45deg,transparent 50%,#98A29A 50%),linear-gradient(135deg,#98A29A 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;padding-right:38px}
  .check-row{display:flex;align-items:flex-start;gap:10px;font-size:13px;line-height:1.7;color:var(--t2)}
  .check-row input[type="checkbox"]{width:16px;height:16px;margin-top:3px;accent-color:#A8E82B;flex:none}

  /* FAQ */
  .faq-item{border-bottom:1px solid var(--line)}
  .faq-item:last-child{border-bottom:0}
  .faq-q{
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:18px 20px;font-size:16.5px;font-weight:700;color:var(--t1);
    cursor:pointer;list-style:none;transition:color var(--dur) ease-out;
  }
  .faq-q::-webkit-details-marker{display:none}
  .faq-q:hover{color:var(--brand)}
  .faq-mark{position:relative;width:16px;height:16px;flex:none}
  .faq-mark::before,.faq-mark::after{content:'';position:absolute;background:var(--brand);border-radius:2px;transition:transform .22s ease-out}
  .faq-mark::before{left:0;right:0;top:7px;height:2px}
  .faq-mark::after{top:0;bottom:0;left:7px;width:2px}
  .faq-item[open] .faq-mark::after{transform:scaleY(0)}
  .faq-a{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--t2);max-width:860px}

  /* CTA 条 */
  .cta-bar{
    background:linear-gradient(100deg,rgba(168,232,43,.16),rgba(255,107,53,.14));
    border:1px solid var(--brand-line);
    border-radius:18px;
  }

  /* 页脚 */
  .footer-link{display:block;font-size:13.5px;line-height:1.95;color:var(--t2);transition:color var(--dur) ease-out}
  .footer-link:hover{color:var(--brand)}

  /* 抽屉 */
  .drawer{
    position:fixed;top:0;right:0;bottom:0;width:84%;max-width:360px;
    background:#0F1211;border-left:1px solid var(--line);
    transform:translateX(103%);
    transition:transform .24s ease-out;
    z-index:60;overflow-y:auto;padding:18px 18px 28px;
  }
  .drawer.open{transform:translateX(0)}
  .drawer-mask{
    position:fixed;inset:0;background:rgba(0,0,0,.62);
    opacity:0;visibility:hidden;transition:opacity .24s ease-out,visibility .24s ease-out;
    z-index:55;
  }
  .drawer-mask.open{opacity:1;visibility:visible}
  .drawer-link{display:block;padding:12px 4px;font-size:15.5px;color:var(--t2);border-bottom:1px solid var(--line);transition:color var(--dur) ease-out}
  .drawer-link:hover,.drawer-link.active{color:var(--brand)}

  /* 移动端底部操作条 */
  .mobile-bar{
    position:fixed;left:0;right:0;bottom:0;z-index:40;
    display:flex;align-items:center;gap:10px;height:56px;padding:0 16px;
    background:rgba(11,13,12,.94);
    border-top:1px solid var(--line);
    -webkit-backdrop-filter:blur(8px);
    backdrop-filter:blur(8px);
  }
  @media (min-width:1024px){.mobile-bar{display:none}}

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

/* roulang page: category4 */
:root{
  --brand:#A8E82B;--brand-hover:#BEF24E;--brand-press:#93CE22;
  --brand-soft:rgba(168,232,43,.12);--brand-line:rgba(168,232,43,.28);
  --accent:#FF6B35;--accent-soft:rgba(255,107,53,.12);
  --bg:#0B0D0C;--panel:#13171A;--panel-soft:#101413;--light:#F3F6EE;--light-2:#E4EBD9;--foot:#07090A;
  --t1:#F2F5F0;--t2:#98A29A;--t3:#6B746C;--ink:#12160F;--ink-2:#414F3B;
  --line:#232B2A;--line-2:#3A4442;
  --ok:#2BD97C;--warn:#FFC53D;--err:#FF5A5A;
  --r-card:16px;--r-sm:12px;--r-pill:999px;
  --mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  --sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--t1);
  font-family:var(--sans);font-size:16px;line-height:1.85;letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding-left:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

/* ============ 容器与通用色类 ============ */
.wrap{max-width:1240px;margin:0 auto;padding-left:20px;padding-right:20px}
@media(min-width:768px){.wrap{padding-left:32px;padding-right:32px}}
.text-t1{color:var(--t1)}
.text-t2{color:var(--t2)}
.text-t3{color:var(--t3)}
.text-brand{color:var(--brand)}
.bg-panel-soft{background:var(--panel-soft)}
.bg-footbg{background:var(--foot)}
.border-line{border-color:var(--line)}
.hover\:text-brand:hover{color:var(--brand)}
.mono{font-family:var(--mono)}

/* ============ 顶部导航 ============ */
.site-header{background:rgba(11,13,12,.78);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);border-bottom:1px solid var(--line)}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:38px;padding:0 11px;
  font-size:14.5px;color:var(--t2);border-radius:10px;white-space:nowrap;
  transition:color .2s ease-out,background-color .2s ease-out;
}
.nav-link:hover{color:var(--t1);background:rgba(255,255,255,.04)}
.nav-link.active{color:var(--brand)}
.nav-link.active::after{
  content:"";position:absolute;left:11px;right:11px;bottom:0;height:2px;border-radius:2px;background:var(--brand);
}
.icon-btn{
  display:inline-flex;height:40px;width:40px;align-items:center;justify-content:center;
  border-radius:12px;border:1px solid var(--line);color:var(--t2);background:transparent;cursor:pointer;
  transition:color .2s ease-out,border-color .2s ease-out,background-color .2s ease-out,transform .2s ease-out;
}
.icon-btn:hover{color:var(--brand);border-color:var(--brand-line);background:rgba(168,232,43,.06)}
.icon-btn:active{transform:translateY(1px)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:700;border-radius:12px;cursor:pointer;border:1px solid transparent;
  transition:background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
  white-space:nowrap;
}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-primary{height:48px;padding:0 24px;font-size:15px;background:var(--brand);color:#0B0D0C}
.btn-primary:hover{background:var(--brand-hover);transform:translateY(-1px);box-shadow:0 0 0 4px rgba(168,232,43,.15)}
.btn-primary:active{background:var(--brand-press);transform:translateY(0)}
.btn-ghost{height:48px;padding:0 24px;font-size:15px;background:transparent;border-color:var(--line-2);color:var(--t1)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-size:14px;font-weight:700}
.link-arrow span{transition:transform .2s ease-out}
.link-arrow:hover span{transform:translateX(3px)}

/* ============ 面包屑 ============ */
.crumbs{padding:20px 0 0;font-size:13px;color:var(--t3)}
.crumbs a{color:var(--t3);transition:color .2s ease-out}
.crumbs a:hover{color:var(--brand)}
.crumbs .sep{margin:0 8px;color:var(--line-2)}
.crumbs .cur{color:var(--brand)}

/* ============ 页头（窄幅） ============ */
.page-head{padding:22px 0 44px;border-bottom:1px solid var(--line)}
.page-head-grid{display:grid;grid-template-columns:1fr;gap:28px;align-items:center}
@media(min-width:1024px){
  .page-head-grid{grid-template-columns:1fr 400px;gap:48px}
}
.h1{font-size:clamp(27px,3.4vw,42px);font-weight:900;line-height:1.2;letter-spacing:-.01em;margin-top:16px}
.lead{margin-top:16px;font-size:16.5px;line-height:1.9;color:var(--t2);max-width:660px}
.head-media{border-radius:var(--r-sm);overflow:hidden;border:1px solid var(--line);position:relative;background:var(--panel)}
.head-media img{width:100%;aspect-ratio:16/9;object-fit:cover}
.head-media::after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(11,13,12,.42),rgba(11,13,12,.05))}
.head-media-note{
  position:absolute;right:12px;bottom:12px;z-index:2;background:rgba(11,13,12,.82);
  border:1px solid var(--brand-line);border-radius:10px;padding:8px 12px;
  font-family:var(--mono);font-size:11.5px;color:var(--t2);letter-spacing:.02em
}
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);font-size:12px;font-weight:700;letter-spacing:.02em}
.badge-accent{background:var(--accent-soft);color:var(--accent)}
.badge-brand{background:var(--brand-soft);color:var(--brand)}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 13px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--panel-soft);font-size:12.5px;color:var(--t2);
  transition:border-color .2s ease-out,color .2s ease-out
}
.tag:hover{border-color:var(--brand-line);color:var(--brand)}

/* ============ 板块 ============ */
.section{padding:60px 0}
@media(min-width:768px){.section{padding:88px 0}}
.section + .section{border-top:1px solid var(--line)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap}
.h2{font-size:clamp(21px,2.3vw,29px);font-weight:800;line-height:1.32;letter-spacing:-.01em}
.h2::before{content:"";display:inline-block;width:3px;height:22px;border-radius:2px;background:var(--brand);margin-right:12px;vertical-align:-3px}
.h3{font-size:19px;font-weight:700;line-height:1.42}
.sec-sub{margin-top:12px;font-size:14.5px;color:var(--t2);max-width:720px}

/* ============ 两列说明块 ============ */
.grid-2{display:grid;grid-template-columns:1fr;gap:18px;margin-top:32px}
@media(min-width:1024px){.grid-2{grid-template-columns:1fr 1fr;gap:20px 24px}}
.info-card{
  position:relative;padding:24px 22px 22px 26px;border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--panel);overflow:hidden;
  transition:border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
}
.info-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--brand)}
.info-card.is-accent::before{background:var(--accent)}
.info-card:hover{border-color:var(--brand-line);transform:translateY(-2px);box-shadow:inset 0 0 0 1px rgba(168,232,43,.08)}
.info-card .num{font-family:var(--mono);font-size:13px;color:var(--brand);letter-spacing:.06em}
.info-card.is-accent .num{color:var(--accent)}
.info-card h3{margin-top:10px}
.info-card p{margin-top:10px;font-size:14.5px;line-height:1.9;color:var(--t2)}
.info-card .mini-list{margin-top:14px;display:grid;gap:8px}
.info-card .mini-list li{position:relative;padding-left:16px;font-size:13.5px;color:var(--t3);line-height:1.8}
.info-card .mini-list li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--line-2)}

/* ============ 浅底警示条 ============ */
.notice-band{
  margin-top:36px;background:var(--light);color:var(--ink);border-left:4px solid var(--accent);
  border-radius:0 var(--r-sm) var(--r-sm) 0;padding:24px 26px;
  display:grid;gap:12px;grid-template-columns:1fr;
}
@media(min-width:1024px){.notice-band{grid-template-columns:auto 1fr;gap:22px;align-items:center}}
.notice-band .nb-mark{
  display:inline-flex;align-items:center;justify-content:center;height:34px;padding:0 14px;border-radius:var(--r-pill);
  background:rgba(255,107,53,.16);color:#B8400F;font-size:12.5px;font-weight:800;letter-spacing:.04em;white-space:nowrap
}
.notice-band strong{font-size:16.5px;font-weight:800;color:var(--ink);display:block}
.notice-band p{margin-top:6px;font-size:14px;line-height:1.9;color:var(--ink-2)}

/* ============ 自查清单（深色 + 序号） ============ */
.check-grid{display:grid;grid-template-columns:1fr;gap:1px;margin-top:34px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden}
@media(min-width:768px){.check-grid{grid-template-columns:1fr 1fr}}
.check-item{background:var(--bg);padding:26px 24px;transition:background-color .2s ease-out}
.check-item:hover{background:var(--panel)}
.check-item .step{font-family:var(--mono);font-size:30px;font-weight:800;line-height:1;color:var(--brand);letter-spacing:-.02em}
.check-item h3{margin-top:14px;font-size:17px}
.check-item p{margin-top:8px;font-size:14px;line-height:1.9;color:var(--t2)}
.check-item .meta{margin-top:14px;display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:11.5px;color:var(--t3)}

/* ============ 数据条 ============ */
.stat-row{display:grid;grid-template-columns:1fr 1fr;gap:1px;margin-top:34px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden}
@media(min-width:1024px){.stat-row{grid-template-columns:repeat(4,1fr)}}
.stat-cell{background:var(--panel);padding:22px 20px}
.stat-cell .v{font-family:var(--mono);font-size:32px;font-weight:800;line-height:1;color:var(--brand)}
@media(min-width:768px){.stat-cell .v{font-size:38px}}
.stat-cell .k{margin-top:10px;font-size:13px;color:var(--t2);line-height:1.7}
.stat-cell .s{margin-top:8px;font-family:var(--mono);font-size:11.5px;color:var(--t3)}

/* ============ FAQ 双栏 ============ */
.faq-wrap{margin-top:34px;display:grid;grid-template-columns:1fr;gap:0 40px}
@media(min-width:1024px){.faq-wrap{grid-template-columns:1fr 1fr}}
.faq-col{border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:var(--panel);margin-bottom:20px;align-self:start}
.faq-item + .faq-item{border-top:1px solid var(--line)}
.faq-item summary{
  display:flex;align-items:flex-start;gap:14px;padding:18px 20px;cursor:pointer;list-style:none;
  font-size:15.5px;font-weight:700;line-height:1.6;color:var(--t1);transition:background-color .2s ease-out,color .2s ease-out
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:rgba(255,255,255,.03);color:var(--brand)}
.faq-item summary::after{
  content:"+";margin-left:auto;flex:none;font-family:var(--mono);font-size:20px;line-height:1.2;color:var(--brand);
  transition:transform .2s ease-out
}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg)}
.faq-item .answer{padding:0 20px 20px 20px;font-size:14.5px;line-height:1.9;color:var(--t2)}

/* ============ 合规说明 ============ */
.legal-grid{display:grid;grid-template-columns:1fr;gap:18px;margin-top:30px}
@media(min-width:1024px){.legal-grid{grid-template-columns:1fr 1fr}}
.legal-card{border:1px solid var(--line);border-radius:var(--r-card);padding:24px;background:var(--panel-soft)}
.legal-card h3{font-size:16px}
.legal-card p{margin-top:10px;font-size:13.5px;line-height:1.95;color:var(--t2)}

/* ============ CTA 条 ============ */
.cta-strip{
  display:grid;grid-template-columns:1fr;gap:20px;align-items:center;
  border-radius:18px;padding:28px 26px;border:1px solid var(--brand-line);
  background:linear-gradient(100deg,rgba(168,232,43,.14),rgba(255,107,53,.12));
}
@media(min-width:1024px){.cta-strip{grid-template-columns:1fr auto;padding:30px 34px}}
.cta-strip h3{font-size:19px;font-weight:800}
.cta-strip p{margin-top:8px;font-size:14px;color:var(--t2);max-width:640px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ============ 页脚 ============ */
.footer-link{display:block;padding:5px 0;font-size:13.5px;line-height:1.9;color:var(--t2);transition:color .2s ease-out,transform .2s ease-out}
.footer-link:hover{color:var(--brand);transform:translateX(2px)}

/* ============ 移动端抽屉与底栏 ============ */
.drawer-mask{position:fixed;inset:0;background:rgba(0,0,0,.72);z-index:60;opacity:0;transition:opacity .22s ease-out}
.drawer-mask.is-open{opacity:1}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:82%;max-width:340px;z-index:61;
  background:var(--panel);border-left:1px solid var(--line);
  transform:translateX(100%);transition:transform .24s ease-out;
  display:flex;flex-direction:column;padding:22px 20px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer .d-link{display:flex;align-items:center;justify-content:space-between;padding:13px 2px;font-size:15.5px;color:var(--t2);border-bottom:1px solid var(--line)}
.drawer .d-link:hover,.drawer .d-link.active{color:var(--brand)}
.drawer .d-foot{margin-top:auto;padding-top:24px;display:flex;gap:18px;flex-wrap:wrap}
.drawer .d-foot a{font-size:12.5px;color:var(--t3)}
.drawer .d-foot a:hover{color:var(--brand)}
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;height:56px;z-index:40;
  display:flex;align-items:center;gap:10px;padding:0 16px;
  background:rgba(11,13,12,.94);backdrop-filter:blur(6px);border-top:1px solid var(--line);
}
@media(max-width:1023.98px){body{padding-bottom:56px}}
@media(min-width:1024px){.mobile-bar{display:none}}

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

/* roulang page: category5 */
:root{
  --brand:#A8E82B;--brand-hover:#BEF24E;--brand-press:#93CE22;
  --coral:#FF6B35;
  --bg:#0B0D0C;--panel:#13171A;--panel-soft:#101413;--foot:#07090A;
  --t1:#F2F5F0;--t2:#98A29A;--t3:#6B746C;
  --line:#232B2A;--line-brand:rgba(168,232,43,.28);
  --soft:#F3F6EE;--soft-t:#12160F;--soft-t2:#54604F;
  --ok:#2BD97C;--warn:#FFC53D;--err:#FF5A5A;
  --r-card:16px;--r-sm:12px;--r-pill:999px;
  --sd-soft:0 8px 24px rgba(0,0,0,.06);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--t1);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;line-height:1.85;letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p{margin:0}
::selection{background:var(--brand);color:#0B0D0C}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

.wrap{width:100%;max-width:1240px;margin:0 auto;padding-left:20px;padding-right:20px}
@media(min-width:768px){.wrap{padding-left:32px;padding-right:32px}}
.mono{font-family:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;font-variant-numeric:tabular-nums}

/* ============ 导航 ============ */
.site-header{
  background:rgba(11,13,12,.78);
  -webkit-backdrop-filter:blur(6px);
  backdrop-filter:blur(6px);
}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:36px;
  padding:0 14px;border-radius:10px;font-size:14px;color:var(--t2);
  transition:color .2s ease-out,background-color .2s ease-out;
}
.nav-link:hover{color:var(--t1);background:rgba(255,255,255,.04)}
.nav-link.active{color:var(--brand)}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:-2px;height:2px;
  border-radius:2px;background:var(--brand);
}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:12px;border:1px solid var(--line);
  color:var(--t2);transition:color .2s ease-out,border-color .2s ease-out,background-color .2s ease-out;
}
.icon-btn:hover{color:var(--brand);border-color:var(--line-brand);background:rgba(168,232,43,.06)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:12px;font-weight:700;white-space:nowrap;cursor:pointer;
  transition:transform .2s ease-out,background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.btn-sm{height:38px;padding:0 18px;font-size:13.5px}
.btn-md{height:48px;padding:0 24px;font-size:15px}
.btn-primary{background:var(--brand);color:#0B0D0C}
.btn-primary:hover{background:var(--brand-hover);transform:translateY(-1px);box-shadow:0 0 0 4px rgba(168,232,43,.15)}
.btn-primary:active{background:var(--brand-press);transform:translateY(0);box-shadow:none}
.btn-ghost{background:transparent;border:1px solid #3A4442;color:var(--t1)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn-ghost:active{transform:translateY(1px)}

.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-size:13.5px;font-weight:700}
.link-arrow span{transition:transform .2s ease-out}
.link-arrow:hover span{transform:translateX(3px)}

/* ============ 通用组件 ============ */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 12px;
  border-radius:var(--r-pill);font-size:12px;font-weight:700;letter-spacing:.04em;
  background:rgba(168,232,43,.12);color:var(--brand);
}
.eyebrow.coral{background:rgba(255,107,53,.12);color:var(--coral)}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;background:rgba(168,232,43,.12);color:var(--brand);
}
.badge-coral{background:rgba(255,107,53,.12);color:var(--coral)}
.badge-muted{background:rgba(152,162,154,.12);color:var(--t2)}
.pill{
  display:inline-flex;align-items:center;gap:6px;height:34px;padding:0 16px;
  border-radius:var(--r-pill);border:1px solid var(--line);font-size:13px;color:var(--t2);
  transition:color .2s ease-out,border-color .2s ease-out,background-color .2s ease-out;
}
.pill:hover{color:var(--brand);border-color:var(--line-brand);background:rgba(168,232,43,.06)}
.card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-card);
  transition:border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
}
.card:hover{border-color:var(--line-brand);transform:translateY(-2px)}
.h2-block{
  font-size:clamp(22px,2.6vw,32px);line-height:1.3;font-weight:800;letter-spacing:-.01em;
  padding-left:14px;position:relative;
}
.h2-block::before{
  content:"";position:absolute;left:0;top:.24em;width:3px;height:1em;border-radius:2px;background:var(--brand);
}

/* 面包屑 */
.crumb{font-size:13px;color:var(--t2);display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumb a{transition:color .2s ease-out}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:var(--t3)}
.crumb .cur{color:var(--brand)}

/* 页头 */
.page-hero{
  border-bottom:1px solid var(--line);
  background:
    radial-gradient(900px 320px at 82% -20%, rgba(168,232,43,.10), transparent 62%),
    linear-gradient(180deg,#0E1211 0%, #0B0D0C 100%);
}
.h1-page{font-size:clamp(26px,3.8vw,44px);line-height:1.22;font-weight:900;letter-spacing:-.01em}

/* FAQ 手风琴 */
.faq-group{border:1px solid var(--line);border-radius:var(--r-card);background:var(--panel);overflow:hidden}
.faq-item{border-top:1px solid var(--line)}
.faq-item:first-child{border-top:0}
.faq-item > summary{
  list-style:none;cursor:pointer;display:flex;align-items:flex-start;gap:16px;
  padding:20px 22px;transition:background-color .2s ease-out;
}
.faq-item > summary::-webkit-details-marker{display:none}
.faq-item > summary:hover{background:rgba(168,232,43,.04)}
.faq-item[open] > summary{background:rgba(168,232,43,.05)}
.faq-num{flex:none;font-size:13px;font-weight:700;color:var(--t3);line-height:1.9;letter-spacing:.04em}
.faq-q{flex:1;font-size:17px;font-weight:700;line-height:1.6;letter-spacing:-.01em;transition:color .2s ease-out}
.faq-item[open] .faq-q{color:var(--brand)}
.faq-item[open] .faq-num{color:var(--coral)}
.faq-mark{
  flex:none;position:relative;width:26px;height:26px;border-radius:8px;
  border:1px solid var(--line);color:var(--t2);margin-left:4px;
  display:flex;align-items:center;justify-content:center;
  transition:color .2s ease-out,border-color .2s ease-out;
}
.faq-mark::before,.faq-mark::after{content:"";position:absolute;background:currentColor;border-radius:2px}
.faq-mark::before{width:11px;height:1.6px}
.faq-mark::after{width:1.6px;height:11px;transition:transform .22s ease-out,opacity .22s ease-out}
.faq-item[open] .faq-mark{color:var(--brand);border-color:var(--line-brand)}
.faq-item[open] .faq-mark::after{transform:rotate(90deg);opacity:0}
.faq-body{padding:0 22px 22px 60px;color:var(--t2);font-size:15px;line-height:1.9}
.faq-body p + p{margin-top:10px}

/* 浅底反色 */
.soft-block{background:var(--soft);color:var(--soft-t)}
.soft-block .soft-muted{color:var(--soft-t2)}
.soft-card{background:#FFFFFF;border:1px solid #DDE4D7;border-radius:var(--r-card);box-shadow:var(--sd-soft)}
.soft-num{
  font-family:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  font-size:15px;font-weight:800;color:#3E7A1E;
}

/* 步骤 */
.step{display:flex;gap:18px;align-items:flex-start;padding:18px 0;border-bottom:1px dashed var(--line)}
.step:last-child{border-bottom:0}
.step-num{
  flex:none;font-family:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  font-size:30px;line-height:1;font-weight:800;color:var(--brand);letter-spacing:-.02em;
}

/* 表单 */
.field{display:block}
.field > .lbl{display:block;font-size:13px;color:var(--t2);margin-bottom:8px}
.input,.textarea,.select{
  width:100%;border-radius:12px;background:var(--panel-soft);border:1px solid var(--line);
  color:var(--t1);font-size:15px;padding:0 14px;height:48px;
  transition:border-color .2s ease-out,box-shadow .2s ease-out,background-color .2s ease-out;
}
.textarea{height:auto;padding:12px 14px;line-height:1.85;resize:vertical;min-height:132px}
.select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,#98A29A 50%),linear-gradient(135deg,#98A29A 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.input::placeholder,.textarea::placeholder{color:var(--t3)}
.input:focus,.textarea:focus,.select:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(168,232,43,.16)}
.check{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--t2);line-height:1.7}
.check input[type="checkbox"]{margin-top:4px;width:16px;height:16px;accent-color:#A8E82B;flex:none}
.inline-link{color:var(--brand);text-decoration:underline;text-underline-offset:3px}

/* CTA 条 */
.cta-strip{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
  padding:26px 28px;border-radius:18px;border:1px solid rgba(168,232,43,.22);
  background:linear-gradient(100deg, rgba(168,232,43,.14), rgba(255,107,53,.12));
}

/* 页脚 */
.footer-link{display:block;font-size:13.5px;line-height:1.9;color:var(--t2);transition:color .2s ease-out}
.footer-link:hover{color:var(--brand)}

/* 移动端抽屉 */
.drawer-mask{background:rgba(0,0,0,.62)}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:13px 14px;border-radius:12px;font-size:15px;color:var(--t2);
  border:1px solid transparent;transition:color .2s ease-out,border-color .2s ease-out,background-color .2s ease-out;
}
.drawer-link:hover{color:var(--brand);border-color:var(--line-brand);background:rgba(168,232,43,.06)}
.drawer-link.active{color:var(--brand);background:rgba(168,232,43,.08);border-color:var(--line-brand)}

@media(max-width:640px){
  .faq-item > summary{padding:17px 16px;gap:12px}
  .faq-q{font-size:15.5px}
  .faq-body{padding:0 16px 18px 16px}
  .cta-strip{padding:22px 20px}
  .step-num{font-size:24px}
}

@media (prefers-reduced-motion: reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important}
}