/* roulang page: index */
:root{
    --turf:#123B33; --turf-deep:#0C2A24; --track:#FF5B27; --track-dark:#E64F1E;
    --score:#C8F135; --bg:#F6F4EF; --card:#FFFFFF; --soft:#EFEDE6;
    --text:#101A17; --muted:#5A6B65; --border:#E2E0D8; --divider:#EDEAE1;
    --radius-card:14px; --radius-btn:10px; --radius-input:10px;
    --shadow-card:0 1px 2px rgba(16,26,23,.06);
    --shadow-lift:0 10px 26px rgba(16,26,23,.10);
    --ease:cubic-bezier(.22,.61,.36,1);
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%}
  body{
    margin:0;background:var(--bg);color:var(--text);
    font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
    font-size:16px;line-height:1.85;letter-spacing:0;
  }
  img{max-width:100%;display:block;border-style:none}
  a{color:inherit;text-decoration:none}
  button,input,textarea,select{font:inherit;color:inherit}
  h1,h2,h3,h4,p,ul,ol,dl,dd{margin:0}
  ul,ol{padding:0;list-style:none}
  :focus-visible{outline:2px solid var(--score);outline-offset:2px;border-radius:6px}
  .wrap{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
  @media (min-width:1024px){ .wrap{padding-left:32px;padding-right:32px} }

  /* 顶部导航 */
  .site-header{position:sticky;top:0;z-index:60;background:rgba(246,244,239,.94);border-bottom:1px solid var(--border);transition:box-shadow .22s var(--ease),background .22s var(--ease)}
  .site-header.is-scrolled{background:#fff;box-shadow:0 4px 18px rgba(16,26,23,.08)}
  .nav-bar{display:flex;align-items:center;gap:18px;height:68px}
  .brand{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--turf);white-space:nowrap}
  .brand-mark{width:34px;height:34px;border-radius:10px;background:var(--turf);color:var(--score);display:grid;place-items:center;font-size:14px;font-weight:700;letter-spacing:-.02em}
  .nav-links{display:none;margin-left:auto;align-items:center;gap:4px}
  .nav-links a{padding:8px 14px;border-radius:10px;font-size:15px;color:var(--muted);transition:color .2s var(--ease),background .2s var(--ease),transform .2s var(--ease)}
  .nav-links a:hover{color:var(--turf);background:rgba(18,59,51,.06);transform:translateY(-1px)}
  .nav-links a.is-active{color:var(--turf);font-weight:600;box-shadow:inset 0 -2px 0 0 var(--turf)}
  .nav-cta{display:none}
  @media (min-width:1024px){
    .nav-links{display:flex}
    .nav-cta{display:inline-flex}
  }

  /* 按钮 */
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border:1px solid transparent;border-radius:var(--radius-btn);font-size:15px;font-weight:600;cursor:pointer;transition:transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease)}
  .btn-primary{background:var(--track);color:#fff;box-shadow:0 6px 16px rgba(255,91,39,.24)}
  .btn-primary:hover{background:var(--track-dark);transform:translateY(-1px);box-shadow:0 10px 22px rgba(255,91,39,.30)}
  .btn-primary:active{transform:translateY(1px);box-shadow:0 4px 10px rgba(255,91,39,.24)}
  .btn-outline-dark{background:transparent;border-color:var(--turf);color:var(--turf)}
  .btn-outline-dark:hover{background:rgba(18,59,51,.08);transform:translateY(-1px)}
  .btn-outline-light{background:transparent;border-color:rgba(242,245,243,.65);color:#F2F5F3}
  .btn-outline-light:hover{background:rgba(242,245,243,.14);transform:translateY(-1px)}
  .btn-sm{height:40px;padding:0 16px;font-size:14px}
  .link-more{display:inline-flex;align-items:center;gap:6px;color:var(--turf);font-weight:600;font-size:15px;border-bottom:1px solid rgba(18,59,51,.28);padding-bottom:2px;transition:color .2s var(--ease)}
  .link-more svg{transition:transform .2s var(--ease)}
  .link-more:hover{color:var(--track)}
  .link-more:hover svg{transform:translateX(3px)}

  /* 徽章与标签 */
  .badge{display:inline-flex;align-items:center;gap:6px;padding:3px 12px;border-radius:999px;font-size:13px;line-height:1.6;font-weight:500;white-space:nowrap}
  .badge-cat{background:#E3EDE8;color:var(--turf)}
  .badge-task{background:var(--score);color:#0C2A24;font-weight:600}
  .badge-time{background:var(--soft);color:var(--muted)}
  .badge-line{border:1px solid var(--border);color:var(--muted);background:#fff}

  /* 板块与标题 */
  .section{padding-top:56px;padding-bottom:56px}
  @media (min-width:1024px){ .section{padding-top:92px;padding-bottom:92px} }
  .h2{font-size:24px;line-height:1.35;font-weight:700;display:flex;align-items:center;gap:12px}
  .h2::before{content:"";display:block;width:4px;height:20px;border-radius:2px;background:var(--turf);flex:none}
  @media (min-width:1024px){ .h2{font-size:31px} .h2::before{height:26px} }
  .h3{font-size:20px;line-height:1.4;font-weight:600}
  .lead{color:var(--muted);font-size:15px;line-height:1.85}
  .eyebrow{font-size:13px;letter-spacing:.08em;color:var(--muted);text-transform:uppercase}

  /* 卡片 */
  .card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);box-shadow:var(--shadow-card);transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease)}
  .card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lift);border-color:#D5D2C8}
  .media{position:relative;overflow:hidden;border-radius:12px;background:var(--soft)}
  .media img{width:100%;height:100%;object-fit:cover}
  .ratio-16-10{aspect-ratio:16/10}
  .ratio-4-3{aspect-ratio:4/3}
  .clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

  /* Hero */
  .hero{position:relative;isolation:isolate;background-color:var(--turf-deep);background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;color:#F2F5F3}
  .hero::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(12,42,36,.62) 0%,rgba(12,42,36,.72) 100%);z-index:-1}
  .hero h1{font-size:29px;line-height:1.3;font-weight:700;letter-spacing:-.01em}
  @media (min-width:1024px){ .hero h1{font-size:43px;line-height:1.25} }
  .hero-sub{color:rgba(242,245,243,.86);font-size:16px;line-height:1.8;max-width:44ch}
  .stat-strip{display:grid;grid-template-columns:1fr;gap:1px;background:rgba(242,245,243,.18);border:1px solid rgba(242,245,243,.22);border-radius:var(--radius-card);overflow:hidden}
  @media (min-width:640px){ .stat-strip{grid-template-columns:repeat(3,1fr)} }
  .stat-cell{background:rgba(12,42,36,.55);padding:18px 20px}
  .stat-cell b{display:block;font-size:24px;font-weight:700;color:var(--score);letter-spacing:-.01em}
  .stat-cell span{font-size:13px;color:rgba(242,245,243,.8)}

  /* 流程 */
  .flow{display:grid;gap:18px}
  @media (min-width:768px){ .flow{grid-template-columns:repeat(2,1fr)} }
  @media (min-width:1024px){ .flow{grid-template-columns:repeat(4,1fr)} }
  .flow-step{position:relative;background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);padding:24px 22px;box-shadow:var(--shadow-card)}
  .flow-step .idx{width:38px;height:38px;border-radius:999px;background:var(--turf);color:#fff;display:grid;place-items:center;font-size:15px;font-weight:700}
  .flow-step h3{margin-top:16px;font-size:18px;font-weight:600;line-height:1.4}
  .flow-step p{margin-top:8px;color:var(--muted);font-size:14px;line-height:1.75}
  @media (min-width:1024px){
    .flow-step:not(:last-child)::after{content:"";position:absolute;top:42px;right:-14px;width:12px;height:2px;background:var(--border)}
  }

  /* 节奏卡片 */
  .rhythm-grid{display:grid;gap:18px}
  @media (min-width:768px){ .rhythm-grid{grid-template-columns:repeat(2,1fr)} }
  @media (min-width:1024px){ .rhythm-grid{grid-template-columns:repeat(4,1fr)} }
  .rhythm-card{background:#fff;border:1px solid var(--border);border-top:3px solid var(--turf);border-radius:var(--radius-card);padding:22px 20px;box-shadow:var(--shadow-card)}
  .rhythm-card .term{font-size:13px;color:var(--track);font-weight:600}
  .rhythm-card h3{margin-top:8px;font-size:18px;font-weight:600}
  .rhythm-card ul{margin-top:12px;display:grid;gap:8px}
  .rhythm-card li{position:relative;padding-left:16px;font-size:14px;color:var(--muted);line-height:1.7}
  .rhythm-card li::before{content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:999px;background:var(--score)}

  /* 奖励 */
  .reward-grid{display:grid;gap:20px}
  @media (min-width:1024px){ .reward-grid{grid-template-columns:1.15fr .85fr;align-items:stretch} }
  .reward-item{display:grid;grid-template-columns:88px 1fr;gap:16px;align-items:center;background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);padding:14px;box-shadow:var(--shadow-card);transition:transform .22s var(--ease),box-shadow .22s var(--ease)}
  .reward-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-lift)}
  .reward-item .media{height:74px}
  .reward-item h4{font-size:16px;font-weight:600}
  .reward-item p{margin-top:4px;font-size:13px;color:var(--muted);line-height:1.65}

  /* 进度与清单 */
  .prog{height:10px;border-radius:999px;background:#E9E7DF;overflow:hidden}
  .prog > i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--score),var(--track));transition:width .4s var(--ease)}
  .check-list{display:grid;gap:12px}
  .check-item{display:flex;align-items:flex-start;gap:12px;background:#fff;border:1px solid var(--border);border-radius:12px;padding:14px 16px}
  .check-box{flex:none;width:22px;height:22px;border-radius:6px;border:1px solid var(--border);background:#fff;display:grid;place-items:center;margin-top:2px}
  .check-item.done .check-box{background:var(--score);border-color:var(--score);color:#0C2A24}
  .check-item.done .check-title{color:var(--muted);text-decoration:line-through;text-decoration-thickness:1px}
  .check-title{font-size:15px;font-weight:600}
  .check-note{font-size:13px;color:var(--muted);margin-top:2px}

  /* 资讯卡片 */
  .news-grid{display:grid;gap:20px}
  @media (min-width:640px){ .news-grid{grid-template-columns:repeat(2,1fr)} }
  @media (min-width:1024px){ .news-grid{grid-template-columns:repeat(3,1fr)} }
  .news-card{display:flex;flex-direction:column;overflow:hidden;background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);box-shadow:var(--shadow-card);transition:transform .22s var(--ease),box-shadow .22s var(--ease)}
  .news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lift)}
  .news-card .body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
  .news-card h3{font-size:17px;font-weight:600;line-height:1.5}
  .news-card p{font-size:14px;color:var(--muted);line-height:1.75}
  .empty-state{display:grid;justify-items:center;gap:12px;padding:48px 20px;background:#fff;border:1px dashed var(--border);border-radius:var(--radius-card);text-align:center}
  .empty-state .ico{width:44px;height:44px;border-radius:999px;border:1px solid var(--border);display:grid;place-items:center;color:var(--turf)}

  /* CTA */
  .cta-band{background:var(--turf-deep);color:#F2F5F3;border-radius:18px;overflow:hidden;position:relative}
  .cta-band::after{content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:999px;background:rgba(200,241,53,.10)}
  .field{display:grid;gap:6px}
  .field label{font-size:14px;color:rgba(242,245,243,.9)}
  .field input,.field textarea{width:100%;height:46px;padding:0 14px;border-radius:var(--radius-input);border:1px solid rgba(242,245,243,.28);background:rgba(255,255,255,.96);color:var(--text);transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
  .field textarea{height:96px;padding:12px 14px;line-height:1.7;resize:vertical}
  .field input:focus,.field textarea:focus{outline:none;border-color:var(--turf);box-shadow:0 0 0 3px rgba(200,241,53,.55)}
  .field.has-error input,.field.has-error textarea{border-color:#D6402B}
  .field .err{font-size:13px;color:#FFD9CF;display:none}
  .field.has-error .err{display:block}
  .form-ok{display:none;align-items:center;gap:8px;margin-top:14px;padding:12px 14px;border-radius:12px;background:rgba(200,241,53,.16);border:1px solid rgba(200,241,53,.45);color:#EAF7C4;font-size:14px}
  .form-ok.show{display:flex}

  /* FAQ */
  .faq-item{border-bottom:1px solid var(--divider)}
  .faq-item:first-child{border-top:1px solid var(--divider)}
  .faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 0;background:none;border:0;text-align:left;font-size:16px;font-weight:600;cursor:pointer;transition:color .2s var(--ease)}
  .faq-q:hover{color:var(--turf)}
  .faq-icon{flex:none;width:24px;height:24px;border-radius:999px;border:1px solid var(--border);display:grid;place-items:center;color:var(--turf);transition:transform .22s var(--ease),background .22s var(--ease)}
  .faq-item.open .faq-icon{transform:rotate(45deg);background:var(--score);border-color:var(--score)}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .26s var(--ease)}
  .faq-a p{padding:0 0 20px;color:var(--muted);font-size:15px;line-height:1.85;max-width:66ch}

  /* 页脚 */
  .site-footer{background:var(--turf-deep);color:rgba(242,245,243,.82);margin-top:0}
  .site-footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:14px}
  .site-footer a{color:rgba(242,245,243,.8);font-size:14px;transition:color .2s var(--ease)}
  .site-footer a:hover{color:var(--score)}
  .foot-grid{display:grid;gap:32px;padding:56px 0 40px}
  @media (min-width:768px){ .foot-grid{grid-template-columns:repeat(2,1fr)} }
  @media (min-width:1024px){ .foot-grid{grid-template-columns:1.4fr 1fr 1fr 1.1fr} }
  .foot-list{display:grid;gap:10px}
  .foot-bottom{border-top:1px solid rgba(242,245,243,.16);padding:18px 0 26px;font-size:13px;color:rgba(242,245,243,.62);display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between}

  /* 移动底部 Tab */
  .tabbar{position:fixed;left:0;right:0;bottom:0;z-index:70;display:none;align-items:stretch;background:#fff;border-top:1px solid var(--border);padding-bottom:env(safe-area-inset-bottom)}
  .tabbar a{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;min-height:64px;font-size:11px;color:var(--muted);position:relative;transition:color .2s var(--ease)}
  .tabbar a::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:26px;height:2px;border-radius:2px;background:transparent;transition:background .2s var(--ease)}
  .tabbar a[aria-current="page"]{color:var(--track)}
  .tabbar a[aria-current="page"]::before{background:var(--track)}
  @media (max-width:767px){
    .tabbar{display:flex}
    body{padding-bottom:78px}
  }
  @media (prefers-reduced-motion: reduce){
    *{transition:none !important;animation:none !important}
  }

/* roulang page: article */
:root{
  --brand:#123B33;
  --brand-deep:#0C2A24;
  --brand-soft:#E3EEEA;
  --orange:#FF5B27;
  --orange-dark:#E94D1D;
  --lime:#C8F135;
  --bg:#F6F4EF;
  --card:#FFFFFF;
  --soft:#EFEDE6;
  --text:#101A17;
  --muted:#5A6B65;
  --invert:#F2F5F3;
  --border:#E2E0D8;
  --divider:#EDEAE1;
  --ok:#2F8F5B;
  --warn:#E0A020;
  --err:#D6402B;
  --r-card:14px;
  --r-btn:10px;
  --sh-card:0 1px 2px rgba(16,26,23,.06);
  --sh-lift:0 10px 26px rgba(16,26,23,.10);
  --ease:200ms ease-out;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family: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(--lime);outline-offset:2px;border-radius:6px;}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,244,239,.94);
  border-bottom:1px solid var(--border);
  transition:background var(--ease),box-shadow var(--ease);
}
.site-header.is-scrolled{background:#fff;box-shadow:0 6px 18px rgba(16,26,23,.08);}
.nav-bar{display:flex;align-items:center;gap:24px;height:68px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--brand);letter-spacing:-.01em;transition:opacity var(--ease);}
.brand:hover{opacity:.82;}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;
  background:var(--brand);color:var(--lime);
  font-size:13px;font-weight:700;letter-spacing:.02em;flex:none;
}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-links a{
  position:relative;padding:8px 14px;border-radius:8px;
  font-size:15px;color:var(--muted);
  transition:color var(--ease),transform var(--ease),background var(--ease);
}
.nav-links a:hover{color:var(--brand);transform:translateY(-1px);background:rgba(18,59,51,.05);}
.nav-links a.is-active{color:var(--brand);font-weight:600;}
.nav-links a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:1px;height:2px;
  border-radius:2px;background:var(--brand);
}
.nav-cta{flex:none;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1.2;white-space:nowrap;
  border:1px solid transparent;cursor:pointer;background:transparent;
  transition:background var(--ease),color var(--ease),transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 1px 2px rgba(255,91,39,.25);}
.btn-primary:hover{background:var(--orange-dark);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(1px);}
.btn-outline{border-color:var(--brand);color:var(--brand);}
.btn-outline:hover{background:var(--brand-soft);transform:translateY(-1px);}
.btn-outline:active{transform:translateY(1px);}
.btn-ghost{border-color:rgba(255,255,255,.55);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.14);transform:translateY(-1px);}
.btn-quiet{border-color:var(--border);color:var(--brand);background:#fff;}
.btn-quiet:hover{background:var(--soft);transform:translateY(-1px);}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600;font-size:14px;}
.link-arrow span{transition:transform var(--ease);}
.link-arrow:hover span{transform:translateX(3px);}

/* ---------- 面包屑 ---------- */
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:24px 0 0;font-size:13.5px;color:var(--muted);
}
.crumb a{color:var(--muted);transition:color var(--ease);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:var(--ink-light,#9AA8A2);}
.crumb-now{max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text);}

/* ---------- 文章头部 ---------- */
.article-head{padding:26px 0 0;}
.article-head h1{
  font-size:42px;line-height:1.25;font-weight:700;letter-spacing:-.01em;
  color:var(--text);margin-top:16px;max-width:920px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;
  margin-top:20px;font-size:13.5px;color:var(--muted);
}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  border-radius:999px;padding:6px 14px;font-size:13px;font-weight:600;line-height:1.4;
}
.badge-cat{background:var(--brand-soft);color:var(--brand);}
.badge-lime{background:var(--lime);color:#17330F;}
.badge-neutral{background:var(--soft);color:var(--muted);font-weight:500;}
.article-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.share-btn{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 16px;border-radius:999px;border:1px solid var(--border);
  background:#fff;font-size:13.5px;color:var(--muted);cursor:pointer;
  transition:color var(--ease),border-color var(--ease),transform var(--ease);
}
.share-btn:hover{color:var(--brand);border-color:var(--brand);transform:translateY(-1px);}
.share-btn svg{width:15px;height:15px;}

/* ---------- 封面与正文 ---------- */
.article-cover{
  margin-top:30px;border-radius:12px;overflow:hidden;
  aspect-ratio:16/10;background:var(--soft);box-shadow:var(--sh-card);
}
.article-cover img{width:100%;height:100%;object-fit:cover;}
.article-main{margin-top:44px;}
.article-body{
  max-width:760px;margin:0 auto;
  font-size:17.5px;line-height:1.9;color:#1B2320;
  word-break:break-word;
}
.article-body > * + *{margin-top:20px;}
.article-body p{margin-top:18px;}
.article-body h2{
  position:relative;font-size:30px;line-height:1.35;font-weight:700;
  margin-top:46px;padding-left:16px;color:var(--text);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.34em;
  width:4px;height:18px;border-radius:2px;background:var(--brand);
}
.article-body h3{font-size:21px;line-height:1.4;font-weight:600;margin-top:34px;color:var(--text);}
.article-body ul,.article-body ol{margin-top:18px;padding-left:24px;list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin-top:10px;padding-left:4px;}
.article-body li::marker{color:var(--brand);}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;
  border-left:4px solid var(--lime);background:#FAFBF5;
  border-radius:0 10px 10px 0;color:#33403B;
}
.article-body blockquote p{margin-top:0;}
.article-body img{border-radius:12px;margin:26px auto;height:auto;}
.article-body figure{margin:26px 0;}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px;line-height:1.5;}
.article-body a{color:var(--brand);text-decoration:underline;text-decoration-color:var(--lime);text-underline-offset:3px;}
.article-body a:hover{text-decoration-color:var(--brand);}
.article-body strong{font-weight:700;}
.article-body hr{border:0;border-top:1px solid var(--divider);margin:36px 0;}
.article-body table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--border);padding:12px 14px;text-align:left;}
.article-body th{background:var(--soft);font-weight:600;}

/* 阅读区分隔小节 */
.body-divider{max-width:760px;margin:44px auto 0;display:flex;align-items:center;gap:14px;}
.body-divider span{font-size:13px;color:var(--muted);white-space:nowrap;}
.body-divider i{flex:1;height:1px;background:var(--divider);display:block;}

/* ---------- 标签 ---------- */
.tag-row{max-width:760px;margin:46px auto 0;display:flex;flex-wrap:wrap;align-items:center;gap:10px;}
.tag-row .label{font-size:13.5px;color:var(--muted);}
.tag{
  display:inline-flex;align-items:center;
  padding:6px 14px;border-radius:999px;background:var(--soft);
  font-size:13.5px;color:var(--muted);
  transition:background var(--ease),color var(--ease);
}
.tag:hover{background:var(--brand-soft);color:var(--brand);}

/* ---------- 上一篇 / 下一篇 ---------- */
.pager{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;
  margin-top:34px;
}
.pager a{
  display:block;padding:22px;border:1px solid var(--border);
  border-radius:var(--r-card);background:var(--card);box-shadow:var(--sh-card);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.pager a:hover{transform:translateY(-3px);box-shadow:var(--sh-lift);border-color:#D6D3C8;}
.pager .dir{font-size:12.5px;color:var(--muted);letter-spacing:.04em;}
.pager h4{margin-top:10px;font-size:17px;font-weight:600;line-height:1.5;color:var(--text);}
.pager p{margin-top:8px;font-size:13.5px;line-height:1.7;color:var(--muted);}

/* ---------- 区块通用 ---------- */
.section{margin-top:88px;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;}
.section-head h2{
  position:relative;padding-left:16px;
  font-size:30px;line-height:1.35;font-weight:700;color:var(--text);
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.34em;
  width:4px;height:18px;border-radius:2px;background:var(--brand);
}
.section-head p{margin-top:10px;font-size:14.5px;color:var(--muted);}

/* ---------- 卡片网格 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-top:32px;}
.card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--r-card);box-shadow:var(--sh-card);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-lift);border-color:#D6D3C8;}
.card-img{aspect-ratio:16/10;background:var(--soft);overflow:hidden;}
.card-img img{width:100%;height:100%;object-fit:cover;transition:transform 320ms ease-out;}
.card:hover .card-img img{transform:scale(1.03);}
.card-body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1;}
.card-body h3{
  margin-top:12px;font-size:17.5px;font-weight:600;line-height:1.5;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-body p{
  margin-top:10px;font-size:14px;line-height:1.75;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{
  margin-top:16px;padding-top:14px;border-top:1px solid var(--divider);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--muted);
}

/* ---------- 空态 ---------- */
.empty-state{
  max-width:760px;margin:0 auto;padding:56px 28px;text-align:center;
  background:#fff;border:1px dashed var(--border);border-radius:var(--r-card);
}
.empty-state svg{width:44px;height:44px;color:var(--ink-light,#9AA8A2);margin:0 auto;}
.empty-state p{margin-top:16px;font-size:16px;color:var(--muted);}
.empty-state .btn{margin-top:22px;}

/* ---------- 文末 CTA ---------- */
.cta-strip{
  margin-top:88px;border-radius:18px;background:var(--brand-deep);
  padding:30px 34px;display:flex;flex-wrap:wrap;align-items:center;
  justify-content:space-between;gap:20px;color:#fff;
}
.cta-strip strong{display:block;font-size:19px;font-weight:600;line-height:1.5;}
.cta-strip span{display:block;margin-top:6px;font-size:14px;color:rgba(242,245,243,.75);line-height:1.7;}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:96px;background:var(--brand-deep);color:var(--invert);padding-top:56px;}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;}
.site-footer h4{font-size:15px;font-weight:600;color:#fff;}
.foot-list{margin-top:16px;}
.foot-list li{margin-bottom:10px;font-size:14px;line-height:1.7;color:rgba(242,245,243,.78);}
.foot-list a{color:rgba(242,245,243,.78);transition:color var(--ease);}
.foot-list a:hover{color:var(--lime);}
.foot-bottom{
  margin-top:44px;padding:20px 0 26px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(242,245,243,.6);
}

/* ---------- 移动端底部 Tab ---------- */
.mobile-tab{display:none;}
@media (max-width:767px){
  .mobile-tab{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:70;
    height:64px;background:#fff;border-top:1px solid var(--border);
    padding-bottom:env(safe-area-inset-bottom);
    box-shadow:0 -4px 16px rgba(16,26,23,.06);
  }
  body{padding-bottom:78px;}
  .mobile-tab a{
    flex:1;position:relative;display:flex;flex-direction:column;
    align-items:center;justify-content:center;gap:3px;
    min-height:48px;font-size:11.5px;color:var(--muted);
  }
  .mobile-tab svg{width:22px;height:22px;}
  .mobile-tab a[aria-current="page"]{color:var(--orange);font-weight:600;}
  .mobile-tab a[aria-current="page"]::before{
    content:"";position:absolute;top:0;left:26%;right:26%;height:2px;
    border-radius:0 0 2px 2px;background:var(--orange);
  }
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .wrap{padding:0 24px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .article-head h1{font-size:34px;}
  .section-head h2{font-size:26px;}
  .article-body h2{font-size:26px;}
}
@media (max-width:767px){
  .wrap{padding:0 20px;}
  .nav-links{display:none;}
  .nav-bar{height:62px;gap:12px;}
  .nav-cta{margin-left:auto;}
  .brand{font-size:15.5px;}
  .crumb{padding-top:18px;}
  .crumb-now{max-width:180px;}
  .article-head{padding-top:20px;}
  .article-head h1{font-size:28px;line-height:1.3;}
  .article-meta{gap:8px 12px;}
  .article-main{margin-top:32px;}
  .article-body{font-size:16.5px;line-height:1.9;}
  .article-body h2{font-size:22px;margin-top:36px;}
  .article-body h3{font-size:19px;}
  .pager{grid-template-columns:1fr;}
  .card-grid{grid-template-columns:1fr;}
  .section{margin-top:56px;}
  .section-head h2{font-size:22px;}
  .cta-strip{margin-top:56px;padding:24px 22px;border-radius:14px;}
  .site-footer{margin-top:60px;padding-top:44px;}
  .foot-grid{grid-template-columns:1fr;gap:28px;}
  .foot-bottom{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important;scroll-behavior:auto !important;}
}

/* roulang page: category1 */
:root{
  --ink:#123B33;
  --ink-deep:#0C2A24;
  --orange:#FF5B27;
  --lime:#C8F135;
  --bg:#F6F4EF;
  --white:#FFFFFF;
  --soft:#EFEDE6;
  --text:#101A17;
  --text2:#5A6B65;
  --inv:#F2F5F3;
  --muted:#9AA8A2;
  --border:#E2E0D8;
  --line:#EDEAE1;
  --ok:#2F8F5B;
  --warn:#E0A020;
  --err:#D6402B;
  --r-card:14px;
  --r-btn:10px;
  --r-input:10px;
  --r-img:12px;
  --sh:0 1px 2px rgba(16,26,23,.06);
  --sh-h:0 10px 26px rgba(16,26,23,.10);
  --wrap:1200px;
  --t:220ms ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color var(--t),border-color var(--t)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:-0.01em}
p{margin:0}
ul,ol{margin:0;padding:0}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 32px}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--bg);
  border-bottom:1px solid var(--border);
  transition:box-shadow var(--t),background var(--t);
}
.site-header.is-scrolled{background:#fff;box-shadow:0 6px 18px rgba(16,26,23,.08)}
.nav-bar{display:flex;align-items:center;gap:24px;height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:17px;color:var(--ink)}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:11px;
  background:var(--ink);color:var(--lime);
  font-size:14px;font-weight:700;letter-spacing:.02em;
}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{position:relative;padding:10px 14px;font-size:15px;color:var(--text2);border-radius:8px;transition:color var(--t),transform var(--t)}
.nav-links a:hover{color:var(--ink);transform:translateY(-1px)}
.nav-links a.is-active{color:var(--ink);font-weight:600}
.nav-links a.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;background:var(--ink);border-radius:2px}
.nav-cta{margin-left:8px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);border:1px solid transparent;
  height:46px;padding:0 22px;font-size:15px;font-weight:600;
  cursor:pointer;white-space:nowrap;
  transition:transform var(--t),background var(--t),box-shadow var(--t),color var(--t),border-color var(--t);
}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 6px 16px rgba(255,91,39,.24)}
.btn-primary:hover{background:#E84A18;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px);box-shadow:none}
.btn-outline{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-outline:hover{background:rgba(18,59,51,.07);transform:translateY(-1px)}
.btn-inverse{border-color:rgba(242,245,243,.55);color:var(--inv)}
.btn-inverse:hover{background:rgba(242,245,243,.14);transform:translateY(-1px)}
.btn-block{width:100%}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--ink)}
.link-arrow span.arrow{transition:transform var(--t)}
.link-arrow:hover span.arrow{transform:translateX(3px)}

/* ============ 分类页头部 ============ */
.cat-hero{
  position:relative;
  background-color:var(--ink-deep);
  background-image:linear-gradient(rgba(12,42,36,.74),rgba(12,42,36,.62)),url('/assets/images/backpic/back-1.png');
  background-size:cover,cover;
  background-position:center,center;
  background-repeat:no-repeat,no-repeat;
  color:var(--inv);
  padding:52px 0 60px;
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(242,245,243,.72);margin-bottom:22px}
.crumb a{color:rgba(242,245,243,.85)}
.crumb a:hover{color:var(--lime)}
.crumb .sep{opacity:.5}
.crumb .cur{color:#fff;font-weight:600}
.cat-hero h1{
  font-size:42px;line-height:1.25;font-weight:700;color:#fff;
  max-width:22ch;
}
.cat-lead{
  margin-top:18px;font-size:17px;line-height:1.85;
  color:rgba(242,245,243,.86);max-width:60ch;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-strip{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:18px;margin-top:42px;
  border-top:1px solid rgba(242,245,243,.22);
  padding-top:24px;
}
.hero-strip .item{display:flex;flex-direction:column;gap:4px}
.hero-strip .num{
  font-size:24px;font-weight:700;color:var(--lime);
  font-variant-numeric:tabular-nums;letter-spacing:0;
}
.hero-strip .lbl{font-size:13.5px;color:rgba(242,245,243,.72);line-height:1.5}

/* ============ 板块 ============ */
.section{padding:88px 0}
.section.soft{background:var(--soft)}
.section.plain{background:var(--white)}
.sec-head{max-width:760px;margin-bottom:44px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-title{
  position:relative;padding-left:18px;
  font-size:30px;line-height:1.35;font-weight:700;color:var(--ink);
}
.sec-title::before{
  content:"";position:absolute;left:0;top:.32em;
  width:4px;height:18px;border-radius:2px;background:var(--ink);
}
.sec-head.center .sec-title{padding-left:0}
.sec-head.center .sec-title::before{display:none}
.sec-desc{margin-top:14px;font-size:16px;line-height:1.85;color:var(--text2)}
.tagline{
  display:inline-block;padding:4px 14px;border-radius:999px;
  background:rgba(18,59,51,.09);color:var(--ink);
  font-size:13.5px;font-weight:600;margin-bottom:16px;
}

/* ============ 图文交错 ============ */
.flow-row{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  padding:36px 0;
}
.flow-row + .flow-row{border-top:1px solid var(--line)}
.flow-row.reverse .flow-media{order:-1}
.flow-media .frame{
  border-radius:var(--r-img);overflow:hidden;background:var(--soft);
  aspect-ratio:16/10;box-shadow:var(--sh);
}
.flow-media .frame img{width:100%;height:100%;object-fit:cover;transition:transform var(--t)}
.flow-media:hover .frame img{transform:scale(1.02)}
.flow-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:999px;
  background:var(--ink);color:var(--lime);
  font-size:15px;font-weight:700;font-variant-numeric:tabular-nums;
  margin-bottom:18px;
}
.flow-body h3{font-size:22px;line-height:1.4;font-weight:600;color:var(--ink)}
.flow-body p{margin-top:14px;font-size:16px;line-height:1.85;color:var(--text2)}
.mini-list{margin-top:20px;display:grid;gap:10px;list-style:none}
.mini-list li{position:relative;padding-left:20px;font-size:15px;line-height:1.75;color:var(--text)}
.mini-list li::before{
  content:"";position:absolute;left:0;top:.62em;
  width:8px;height:8px;border-radius:999px;
  background:var(--lime);box-shadow:0 0 0 3px rgba(200,241,53,.28);
}

/* ============ 条件清单 ============ */
.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.check-item{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--white);border:1px solid var(--border);
  border-radius:12px;padding:18px 20px;box-shadow:var(--sh);
  transition:box-shadow var(--t),transform var(--t);
}
.check-item:hover{box-shadow:var(--sh-h);transform:translateY(-2px)}
.check-item .mark{
  flex:0 0 24px;width:24px;height:24px;margin-top:4px;
  border-radius:999px;background:var(--lime);color:var(--ink-deep);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;
}
.check-item h4{font-size:16px;font-weight:600;color:var(--ink)}
.check-item p{margin-top:6px;font-size:14.5px;line-height:1.75;color:var(--text2)}

/* ============ 卡片 / 相关入口 ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--white);border:1px solid var(--border);
  border-radius:var(--r-card);box-shadow:var(--sh);
  transition:transform var(--t),box-shadow var(--t);
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-h)}
.card .thumb{aspect-ratio:16/10;background:var(--soft);overflow:hidden}
.card .thumb img{width:100%;height:100%;object-fit:cover}
.card .body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.card h3{font-size:18px;line-height:1.45;font-weight:600;color:var(--ink)}
.card p{font-size:14.5px;line-height:1.8;color:var(--text2)}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 14px;border-radius:999px;
  font-size:13px;font-weight:600;line-height:1.5;width:fit-content;
}
.badge-cat{background:rgba(18,59,51,.09);color:var(--ink)}
.badge-step{background:var(--lime);color:var(--ink-deep)}
.badge-time{background:var(--soft);color:var(--text2)}

/* ============ 进度条 ============ */
.bar-track{height:10px;border-radius:999px;background:#E9E7DF;overflow:hidden}
.bar-fill{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--lime),var(--orange))}
.stage-box{
  background:var(--white);border:1px solid var(--border);border-radius:var(--r-card);
  padding:26px 28px;box-shadow:var(--sh);
}
.stage-line{display:grid;gap:18px;margin-top:22px}
.stage-line .row{display:grid;gap:8px}
.stage-line .row .top{display:flex;justify-content:space-between;gap:12px;font-size:14.5px;color:var(--text2)}
.stage-line .row .top b{color:var(--ink);font-weight:600}
.stage-line .row .top .pct{font-variant-numeric:tabular-nums;color:var(--ink);font-weight:600}

/* ============ FAQ ============ */
.faq-layout{display:grid;grid-template-columns:320px 1fr;gap:56px;align-items:start}
.faq-aside{position:sticky;top:96px}
.faq-aside .sec-title{font-size:26px}
.faq-aside p{margin-top:14px;font-size:15px;line-height:1.85;color:var(--text2)}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:none;border:0;padding:22px 0;cursor:pointer;text-align:left;
  font-size:16.5px;font-weight:600;color:var(--ink);
  transition:color var(--t);
}
.faq-q:hover{color:var(--orange)}
.faq-icon{
  flex:0 0 24px;width:24px;height:24px;border-radius:999px;
  border:1px solid var(--border);position:relative;
  transition:transform var(--t),background var(--t),border-color var(--t);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--ink);
  transform:translate(-50%,-50%);border-radius:2px;
}
.faq-icon::before{width:11px;height:2px}
.faq-icon::after{width:2px;height:11px;transition:opacity var(--t)}
.faq-item.open .faq-icon{background:var(--lime);border-color:var(--lime);transform:rotate(180deg)}
.faq-item.open .faq-icon::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height var(--t)}
.faq-a p{padding:0 0 20px;font-size:15.5px;line-height:1.85;color:var(--text2);max-width:70ch}

/* ============ CTA 深色区 ============ */
.cta-band{
  background:linear-gradient(180deg,var(--ink) 0%,var(--ink-deep) 100%);
  color:var(--inv);padding:76px 0;
}
.cta-inner{display:grid;grid-template-columns:1.3fr 1fr;gap:48px;align-items:center}
.cta-inner h2{font-size:32px;line-height:1.35;font-weight:700;color:#fff}
.cta-inner p{margin-top:16px;font-size:16px;line-height:1.85;color:rgba(242,245,243,.82);max-width:52ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.cta-side{
  border:1px solid rgba(242,245,243,.22);border-radius:var(--r-card);
  padding:24px 26px;background:rgba(242,245,243,.05);
}
.cta-side h3{font-size:16px;color:#fff;font-weight:600}
.cta-side ul{margin-top:14px;display:grid;gap:10px;list-style:none}
.cta-side li{font-size:14.5px;color:rgba(242,245,243,.78);display:flex;gap:10px;align-items:flex-start;line-height:1.7}
.cta-side li::before{content:"";flex:0 0 6px;width:6px;height:6px;border-radius:999px;background:var(--lime);margin-top:.62em}

/* ============ 表单 ============ */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1/-1}
.field label{font-size:14.5px;font-weight:600;color:var(--ink)}
.field input,.field select,.field textarea{
  height:48px;padding:0 14px;border-radius:var(--r-input);
  background:#fff;border:1px solid var(--border);
  font-size:15px;color:var(--text);
  transition:border-color var(--t),box-shadow var(--t);
}
.field textarea{height:auto;min-height:120px;padding:12px 14px;line-height:1.75;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:var(--muted)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--ink);box-shadow:0 0 0 3px rgba(200,241,53,.55);
}
.field .hint{font-size:13px;color:var(--text2)}
.form-note{margin-top:18px;font-size:13.5px;color:var(--text2)}
.form-ok{
  display:none;margin-top:20px;padding:14px 18px;border-radius:12px;
  background:rgba(47,143,91,.10);border:1px solid rgba(47,143,91,.35);
  color:#226B44;font-size:14.5px;
}
.form-ok.show{display:block}
.form-shell{
  background:var(--white);border:1px solid var(--border);
  border-radius:var(--r-card);padding:34px 34px 30px;box-shadow:var(--sh);
}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-deep);color:var(--inv);padding:64px 0 0}
.site-footer .brand{color:#fff}
.site-footer .brand-mark{background:var(--lime);color:var(--ink-deep)}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;padding-bottom:40px}
.foot-grid h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:14px}
.foot-list{list-style:none;display:grid;gap:10px;font-size:14px;line-height:1.7;color:rgba(242,245,243,.78)}
.foot-list a{color:rgba(242,245,243,.78)}
.foot-list a:hover{color:var(--lime)}
.foot-bottom{
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;
  border-top:1px solid rgba(242,245,243,.16);
  padding:20px 0 26px;font-size:13px;color:rgba(242,245,243,.62);
}

/* ============ 移动端底部 Tab ============ */
.tabbar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:#fff;border-top:1px solid var(--border);
  padding-bottom:env(safe-area-inset-bottom);
  box-shadow:0 -6px 18px rgba(16,26,23,.07);
}
.tab-item{
  position:relative;flex:1;min-height:64px;padding:8px 4px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  font-size:11.5px;line-height:1.3;color:var(--text2);
  transition:color var(--t);
}
.tab-item svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.tab-item.is-active{color:var(--orange)}
.tab-item.is-active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:28px;height:2px;border-radius:2px;background:var(--orange);
}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .nav-cta{display:none}
  .nav-links a{padding:9px 10px;font-size:14px}
  .flow-row{gap:36px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .faq-layout{grid-template-columns:1fr;gap:32px}
  .faq-aside{position:static}
  .cta-inner{grid-template-columns:1fr;gap:32px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  .nav-links{display:none}
  .tabbar{display:flex}
  body{padding-bottom:78px}
  .section{padding:56px 0}
  .cat-hero{padding:36px 0 44px}
  .cat-hero h1{font-size:28px;line-height:1.3}
  .cat-lead{font-size:15.5px}
  .hero-strip{grid-template-columns:1fr;gap:14px;margin-top:32px}
  .hero-strip .num{font-size:20px}
  .sec-title{font-size:23px}
  .flow-row{grid-template-columns:1fr;gap:24px;padding:28px 0}
  .flow-row.reverse .flow-media{order:0}
  .flow-body h3{font-size:19px}
  .check-grid{grid-template-columns:1fr}
  .card-grid{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .form-shell{padding:24px 20px}
  .cta-inner h2{font-size:24px}
  .cta-band{padding:56px 0}
  .foot-grid{grid-template-columns:1fr;gap:24px}
  .foot-bottom{flex-direction:column;gap:8px}
}
@media (max-width:520px){
  .wrap{padding:0 20px}
  .brand span:last-child{font-size:15px}
  .btn{width:100%}
  .hero-actions{flex-direction:column}
  .cta-actions{flex-direction:column}
  .nav-cta{display:none}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root{
    --field:#123B33;
    --field-deep:#0C2A24;
    --track:#FF5B27;
    --track-dark:#E24A1A;
    --score:#C8F135;
    --bg:#F6F4EF;
    --card:#FFFFFF;
    --section:#EFEDE6;
    --t1:#101A17;
    --t2:#5A6B65;
    --t-mute:#9AA8A2;
    --t-inv:#F2F5F3;
    --edge:#E2E0D8;
    --line:#EDEAE1;
    --ok:#2F8F5B;
    --warn:#E0A020;
    --err:#D6402B;
    --r-card:14px;
    --r-btn:10px;
    --r-img:12px;
    --shadow:0 1px 2px rgba(16,26,23,.06);
    --shadow-lift:0 10px 26px rgba(16,26,23,.10);
    --ease:220ms ease-out;
  }
  *,*::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","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none}
  button,input,textarea,select{font:inherit;color:inherit}
  h1,h2,h3,h4,p,ul,ol,dl,figure{margin:0}
  ul{list-style:none;padding:0}
  .wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
  .num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}
  .mt-4{margin-top:16px}
  .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

  /* 顶部导航 */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(246,244,239,.94);
    border-bottom:1px solid var(--edge);
    transition:box-shadow var(--ease),background var(--ease);
  }
  .site-header.is-stuck{background:#fff;box-shadow:0 6px 18px rgba(16,26,23,.07)}
  .nav-bar{display:flex;align-items:center;gap:28px;height:70px}
  .brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:17px;letter-spacing:-.01em;color:var(--field)}
  .brand-mark{
    display:inline-flex;align-items:center;justify-content:center;
    width:38px;height:38px;border-radius:11px;
    background:var(--field);color:var(--score);
    font-size:14px;font-weight:700;letter-spacing:.02em;
  }
  .nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
  .nav-links a{
    position:relative;padding:9px 14px;border-radius:var(--r-btn);
    font-size:15px;color:var(--t2);transition:color var(--ease),transform var(--ease),background var(--ease);
  }
  .nav-links a:hover{color:var(--field);background:var(--section);transform:translateY(-1px)}
  .nav-links a.is-active{color:var(--field);font-weight:600}
  .nav-links a.is-active::after{
    content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--field);
  }
  .nav-cta{flex:none}

  /* 按钮 */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:13px 24px;border:1px solid transparent;border-radius:var(--r-btn);
    font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
    transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
  }
  .btn:focus-visible{outline:2px solid var(--score);outline-offset:2px}
  .btn-primary{background:var(--track);color:#fff}
  .btn-primary:hover{background:var(--track-dark);transform:translateY(-1px);box-shadow:0 8px 18px rgba(255,91,39,.24)}
  .btn-primary:active{transform:translateY(1px);box-shadow:none}
  .btn-outline{background:transparent;border-color:var(--field);color:var(--field)}
  .btn-outline:hover{background:rgba(18,59,51,.07);transform:translateY(-1px)}
  .btn-outline:active{transform:translateY(1px)}
  .btn-light{background:transparent;border-color:rgba(242,245,243,.55);color:var(--t-inv)}
  .btn-light:hover{background:rgba(242,245,243,.12);transform:translateY(-1px)}
  .btn-sm{padding:9px 18px;font-size:14px}
  .btn-block{width:100%}
  .link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--field);font-weight:600;font-size:15px}
  .link-arrow span{transition:transform var(--ease)}
  .link-arrow:hover span{transform:translateX(3px)}

  /* 徽章 / 标签 */
  .badge{display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:999px;font-size:13px;line-height:1.5;font-weight:600}
  .badge-dark{background:rgba(18,59,51,.10);color:var(--field)}
  .badge-lime{background:var(--score);color:#1B2A1F}
  .badge-neutral{background:var(--section);color:var(--t2)}
  .badge-soft{background:#fff;border:1px solid var(--edge);color:var(--t2);font-weight:500}

  /* 面包屑 */
  .crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--t2);padding:22px 0 0}
  .crumb a:hover{color:var(--field);text-decoration:underline}
  .crumb .sep{color:var(--t-mute)}
  .crumb .now{color:var(--t1);font-weight:600}

  /* 分区 */
  .section{padding:88px 0}
  .section-tight{padding:64px 0}
  .section-alt{background:var(--section)}
  .sec-head{max-width:760px}
  .sec-head h2{
    position:relative;padding-left:16px;
    font-size:31px;line-height:1.35;font-weight:700;letter-spacing:-.01em;
  }
  .sec-head h2::before{content:"";position:absolute;left:0;top:8px;width:4px;height:26px;border-radius:2px;background:var(--field)}
  .sec-head p{margin-top:14px;color:var(--t2);font-size:16px}
  .sec-head h3{font-size:21px;line-height:1.4;font-weight:600}

  /* 分类页 Hero */
  .page-hero{
    position:relative;overflow:hidden;border-radius:0 0 24px 24px;
    background:var(--field-deep) url('/assets/images/backpic/back-2.png') center/cover no-repeat;
    color:var(--t-inv);
  }
  .page-hero::before{content:"";position:absolute;inset:0;background:rgba(12,42,36,.66)}
  .page-hero .inner{position:relative;padding:66px 0 60px;max-width:820px}
  .page-hero h1{font-size:42px;line-height:1.25;font-weight:700;letter-spacing:-.01em;margin-top:18px}
  .page-hero .lead{margin-top:18px;font-size:17px;line-height:1.85;color:#DDE6E1;max-width:60ch}
  .hero-facts{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
  .fact{
    background:rgba(242,245,243,.10);border:1px solid rgba(242,245,243,.20);
    border-radius:12px;padding:12px 18px;min-width:150px;
  }
  .fact b{display:block;font-size:20px;font-weight:700;color:#fff}
  .fact span{font-size:13px;color:#C9D6D0}

  /* 阶梯时间轴 */
  .tiers{margin-top:48px;position:relative}
  .tier{position:relative;padding-left:66px;padding-bottom:38px}
  .tier:last-child{padding-bottom:0}
  .tier::before{
    content:"";position:absolute;left:22px;top:44px;bottom:0;width:2px;background:var(--line);
  }
  .tier:last-child::before{display:none}
  .tier-node{
    position:absolute;left:0;top:6px;width:46px;height:46px;border-radius:999px;
    display:flex;align-items:center;justify-content:center;
    background:#fff;border:2px solid var(--field);color:var(--field);
    font-weight:700;font-size:17px;
  }
  .tier.is-current .tier-node{background:var(--track);border-color:var(--track);color:#fff}
  .tier-card{
    background:#fff;border:1px solid var(--edge);border-radius:var(--r-card);
    box-shadow:var(--shadow);padding:22px 24px;transition:box-shadow var(--ease),transform var(--ease);
  }
  .tier-card:hover{box-shadow:var(--shadow-lift);transform:translateY(-2px)}
  .tier-top{display:flex;flex-wrap:wrap;align-items:center;gap:12px}
  .tier-top h3{font-size:20px;font-weight:600;line-height:1.4}
  .tier-card p{margin-top:12px;color:var(--t2);font-size:15.5px}
  .tier-meta{display:flex;flex-wrap:wrap;gap:20px;margin-top:16px;font-size:13.5px;color:var(--t2)}
  .tier-meta b{color:var(--t1);font-weight:600}

  .progress{position:relative;height:10px;border-radius:999px;background:#E9E7DF;overflow:hidden;margin-top:14px}
  .progress > i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--score),var(--track));transition:width 400ms ease-out}
  .p15>i{width:15%}.p30>i{width:30%}.p55>i{width:55%}.p78>i{width:78%}.p100>i{width:100%}
  .progress-row{display:flex;align-items:center;gap:14px;margin-top:6px}
  .progress-row .pct{font-size:13.5px;color:var(--t2);min-width:44px;text-align:right}

  /* 卡片与网格 */
  .grid{display:grid;gap:24px}
  .g-2{grid-template-columns:repeat(2,minmax(0,1fr))}
  .g-3{grid-template-columns:repeat(3,minmax(0,1fr))}
  .g-reward{grid-template-columns:1.15fr .85fr}
  .card{
    background:#fff;border:1px solid var(--edge);border-radius:var(--r-card);
    box-shadow:var(--shadow);padding:24px;transition:box-shadow var(--ease),transform var(--ease),border-color var(--ease);
  }
  .card:hover{box-shadow:var(--shadow-lift);transform:translateY(-3px);border-color:#D8D5CB}
  .card h3{font-size:20px;font-weight:600;line-height:1.4;margin-top:16px}
  .card p{margin-top:10px;color:var(--t2);font-size:15.5px}
  .card-media{
    width:100%;aspect-ratio:16/10;border-radius:var(--r-img);overflow:hidden;background:var(--section);
  }
  .card-media img{width:100%;height:100%;object-fit:cover}
  .card-lg{padding:28px}
  .card-lg h3{font-size:23px;margin-top:20px}
  .stack{display:flex;flex-direction:column;gap:16px}
  .mini{
    display:flex;gap:16px;align-items:flex-start;
    background:#fff;border:1px solid var(--edge);border-radius:var(--r-card);
    box-shadow:var(--shadow);padding:16px 18px;transition:box-shadow var(--ease),transform var(--ease);
  }
  .mini:hover{box-shadow:var(--shadow-lift);transform:translateY(-2px)}
  .mini-thumb{width:64px;height:64px;flex:none;border-radius:12px;overflow:hidden;background:var(--section)}
  .mini-thumb img{width:100%;height:100%;object-fit:cover}
  .mini h4{font-size:16.5px;font-weight:600;line-height:1.45}
  .mini p{margin-top:6px;font-size:14px;color:var(--t2);line-height:1.7}

  /* 清单 */
  .check-list{margin-top:8px}
  .check-list li{
    display:flex;gap:14px;align-items:flex-start;padding:14px 0;border-bottom:1px solid var(--line);font-size:15.5px;
  }
  .check-list li:last-child{border-bottom:0}
  .tick{
    width:24px;height:24px;flex:none;border-radius:8px;border:1px solid var(--edge);
    display:flex;align-items:center;justify-content:center;margin-top:4px;color:transparent;background:#fff;
  }
  .tick.is-done{background:var(--score);border-color:var(--score);color:#1B2A1F}
  .check-list small{display:block;color:var(--t2);font-size:13.5px;line-height:1.7;margin-top:2px}

  /* 定义列表 / 对照 */
  .def-card{background:#fff;border:1px solid var(--edge);border-radius:var(--r-card);box-shadow:var(--shadow);padding:8px 24px;margin-top:28px}
  .def-row{display:grid;grid-template-columns:200px 1fr;gap:24px;padding:20px 0;border-bottom:1px solid var(--line)}
  .def-row:last-child{border-bottom:0}
  .def-row dt{font-weight:600;font-size:15.5px}
  .def-row dd{margin:0;color:var(--t2);font-size:15.5px}

  /* FAQ */
  .faq-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:start}
  .faq-side{position:sticky;top:100px}
  .faq{border-top:1px solid var(--line)}
  .faq-item{border-bottom:1px solid var(--line)}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
    background:none;border:0;padding:20px 0;text-align:left;cursor:pointer;
    font-size:17px;font-weight:600;line-height:1.6;color:var(--t1);
  }
  .faq-q:focus-visible{outline:2px solid var(--score);outline-offset:3px;border-radius:6px}
  .faq-icon{
    width:28px;height:28px;flex:none;border-radius:999px;border:1px solid var(--edge);
    display:flex;align-items:center;justify-content:center;color:var(--field);
    transition:transform var(--ease),background var(--ease);
  }
  .faq-q[aria-expanded="true"] .faq-icon{transform:rotate(45deg);background:var(--score);border-color:var(--score)}
  .faq-a{max-height:0;overflow:hidden;transition:max-height 260ms ease-out}
  .faq-a p{padding:0 44px 20px 0;color:var(--t2);font-size:15.5px;line-height:1.85}

  /* 相关分类 */
  .rel-card{display:block;background:#fff;border:1px solid var(--edge);border-radius:var(--r-card);box-shadow:var(--shadow);overflow:hidden;transition:box-shadow var(--ease),transform var(--ease)}
  .rel-card:hover{box-shadow:var(--shadow-lift);transform:translateY(-3px)}
  .rel-card .card-media{border-radius:0;aspect-ratio:16/9}
  .rel-card .body{padding:20px 22px 24px}
  .rel-card h3{font-size:18.5px;font-weight:600;line-height:1.45}
  .rel-card p{margin-top:8px;color:var(--t2);font-size:14.5px;line-height:1.75}

  /* CTA + 表单 */
  .cta-band{background:var(--field-deep);color:var(--t-inv);border-radius:20px;padding:52px 48px;position:relative;overflow:hidden}
  .cta-band::after{
    content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:999px;
    background:radial-gradient(circle,rgba(200,241,53,.22),rgba(200,241,53,0) 70%);
  }
  .cta-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:start}
  .cta-band h2{font-size:30px;line-height:1.35;font-weight:700}
  .cta-band p{margin-top:14px;color:#C9D6D0;font-size:16px;max-width:44ch}
  .cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
  .cta-info{margin-top:24px;font-size:13.5px;color:#A9BAB3}

  .form-card{background:#fff;border-radius:var(--r-card);padding:26px;box-shadow:0 12px 30px rgba(0,0,0,.16);color:var(--t1)}
  .form-card h3{font-size:19px;font-weight:600}
  .field{margin-top:16px}
  .field label{display:block;font-size:14px;color:var(--t2);margin-bottom:7px}
  .field input,.field textarea{
    width:100%;padding:12px 14px;border:1px solid var(--edge);border-radius:var(--r-btn);
    background:#fff;font-size:15px;line-height:1.6;transition:border-color var(--ease),box-shadow var(--ease);
  }
  .field input{height:46px;padding:0 14px}
  .field textarea{min-height:92px;resize:vertical}
  .field input:focus,.field textarea:focus{outline:none;border-color:var(--field);box-shadow:0 0 0 3px rgba(200,241,53,.55)}
  .field.has-error input,.field.has-error textarea{border-color:var(--err)}
  .field .hint{margin-top:6px;font-size:13px;color:var(--t2)}
  .field .err-msg{margin-top:6px;font-size:13.5px;color:var(--err);display:none}
  .field.has-error .err-msg{display:block}
  .form-ok{
    display:none;margin-top:16px;padding:12px 16px;border-radius:10px;
    background:rgba(47,143,91,.10);border:1px solid rgba(47,143,91,.32);color:#246B45;font-size:14.5px;
  }
  .form-ok.show{display:block}
  .form-note{margin-top:12px;font-size:13px;color:var(--t2)}

  /* 页脚 */
  .site-footer{background:var(--field);color:var(--t-inv);margin-top:0;padding:64px 0 0}
  .foot-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr 1fr;gap:36px}
  .site-footer .brand{color:#fff}
  .site-footer .brand-mark{background:#fff;color:var(--field)}
  .site-footer h4{font-size:15px;font-weight:600;color:#fff}
  .foot-list{margin-top:16px;display:flex;flex-direction:column;gap:10px}
  .foot-list li{font-size:14px;color:#C9D6D0;line-height:1.7}
  .foot-list a{color:#C9D6D0;transition:color var(--ease)}
  .foot-list a:hover{color:var(--score)}
  .foot-bottom{
    margin-top:48px;border-top:1px solid rgba(242,245,243,.16);
    padding:20px 0 24px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
    font-size:13px;color:#A9BAB3;
  }

  /* 移动底部 Tab */
  .mobile-tab{display:none}
  @media (max-width:767px){
    body{padding-bottom:76px}
    .mobile-tab{
      display:grid;grid-template-columns:repeat(4,1fr);
      position:fixed;left:0;right:0;bottom:0;z-index:70;
      background:#fff;border-top:1px solid var(--edge);
      padding:6px 4px calc(6px + env(safe-area-inset-bottom,0px));
      box-shadow:0 -6px 20px rgba(16,26,23,.07);
    }
    .mobile-tab a{
      position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
      min-height:48px;font-size:11.5px;color:var(--t2);border-radius:8px;
    }
    .mobile-tab a::before{content:"";position:absolute;top:-6px;left:22%;right:22%;height:2px;border-radius:2px;background:transparent}
    .mobile-tab a.is-active{color:var(--track);font-weight:600}
    .mobile-tab a.is-active::before{background:var(--track)}
    .mobile-tab svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
  }

  /* 响应式 */
  @media (max-width:1023px){
    .wrap{padding:0 24px}
    .nav-links{display:none}
    .nav-bar{height:64px}
    .nav-cta{margin-left:auto}
    .section{padding:72px 0}
    .page-hero h1{font-size:34px}
    .g-3{grid-template-columns:repeat(2,minmax(0,1fr))}
    .g-reward{grid-template-columns:1fr}
    .faq-wrap{grid-template-columns:1fr;gap:28px}
    .faq-side{position:static}
    .cta-grid{grid-template-columns:1fr;gap:32px}
    .cta-band{padding:40px 32px}
    .foot-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
  }
  @media (max-width:640px){
    .wrap{padding:0 20px}
    .section{padding:56px 0}
    .section-tight{padding:44px 0}
    .page-hero{border-radius:0 0 18px 18px}
    .page-hero .inner{padding:44px 0 40px}
    .page-hero h1{font-size:28px;line-height:1.3}
    .page-hero .lead{font-size:15.5px}
    .sec-head h2{font-size:23px}
    .sec-head h2::before{height:20px;top:6px}
    .g-2,.g-3{grid-template-columns:1fr}
    .tier{padding-left:0;padding-bottom:26px}
    .tier::before{display:none}
    .tier-node{position:static;margin-bottom:12px}
    .tier-card{padding:18px}
    .def-row{grid-template-columns:1fr;gap:6px}
    .cta-band{padding:32px 22px;border-radius:16px}
    .cta-band h2{font-size:23px}
    .btn-block-mobile{width:100%}
    .foot-grid{grid-template-columns:1fr}
    .foot-bottom{flex-direction:column}
  }
  @media (prefers-reduced-motion:reduce){
    *{transition:none !important;animation:none !important}
    .card:hover,.mini:hover,.rel-card:hover,.tier-card:hover{transform:none}
  }

/* roulang page: category3 */
:root{
  --ink:#123B33;
  --ink-deep:#0C2A24;
  --orange:#FF5B27;
  --lime:#C8F135;
  --bg:#F6F4EF;
  --soft:#EFEDE6;
  --card:#FFFFFF;
  --text:#101A17;
  --muted:#5A6B65;
  --line:#E2E0D8;
  --line2:#EDEAE1;
  --success:#2F8F5B;
  --warn:#E0A020;
  --error:#D6402B;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh:0 1px 2px rgba(16,26,23,.06);
  --sh-h:0 10px 26px rgba(16,26,23,.10);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  padding-bottom:64px;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4,p,ul,ol,dl,dd,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
button,input,textarea,select{font:inherit;color:inherit;}
section{scroll-margin-top:84px;}
.wrap{max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
@media (min-width:1024px){.wrap{padding-left:32px;padding-right:32px;}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,244,239,.96);
  border-bottom:1px solid var(--line);
  transition:background .24s var(--ease),box-shadow .24s var(--ease);
  backdrop-filter:saturate(120%) blur(2px);
}
.site-header.is-scrolled{background:#fff;box-shadow:0 6px 20px rgba(16,26,23,.07);}
.nav-bar{display:flex;align-items:center;justify-content:space-between;gap:18px;height:68px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:16px;font-weight:700;color:var(--ink);letter-spacing:-.01em;}
.brand-mark{
  width:34px;height:34px;flex:none;border-radius:10px;background:var(--ink);color:#fff;
  display:grid;place-items:center;font-size:13px;font-weight:700;letter-spacing:.02em;
}
.nav-links{display:none;align-items:center;gap:4px;}
.nav-links a{
  position:relative;padding:9px 13px;border-radius:8px;font-size:15px;color:var(--muted);
  transition:color .22s var(--ease),transform .22s var(--ease),background .22s var(--ease);
}
.nav-links a:hover{color:var(--ink);transform:translateY(-1px);background:rgba(18,59,51,.05);}
.nav-links a.is-active{color:var(--ink);font-weight:600;}
.nav-links a.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;border-radius:2px;background:var(--ink);
}
.nav-cta{white-space:nowrap;}
@media (min-width:1024px){.nav-links{display:flex;}}
@media (max-width:520px){.nav-cta{display:none;}}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .22s var(--ease),background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 1px 2px rgba(16,26,23,.14);}
.btn-primary:hover{background:#E84E1D;transform:translateY(-1px);box-shadow:0 8px 18px rgba(255,91,39,.24);}
.btn-primary:active{transform:translateY(1px);}
.btn-outline{border-color:var(--ink);color:var(--ink);background:transparent;}
.btn-outline:hover{background:rgba(18,59,51,.07);transform:translateY(-1px);}
.btn-outline:active{transform:translateY(1px);}
.btn-light{border-color:rgba(255,255,255,.5);color:#fff;background:transparent;}
.btn-light:hover{background:rgba(255,255,255,.14);transform:translateY(-1px);}
.btn-sm{height:40px;padding:0 16px;font-size:14px;}
.btn-block{width:100%;}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--lime);outline-offset:2px;
}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--ink);font-weight:600;font-size:15px;}
.link-arrow span.arrow{transition:transform .2s var(--ease);}
.link-arrow:hover span.arrow{transform:translateX(3px);}

/* ---------- badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:999px;font-size:13px;line-height:1.5;font-weight:600;
}
.badge-ink{background:rgba(18,59,51,.10);color:var(--ink);}
.badge-lime{background:var(--lime);color:#20310A;}
.badge-soft{background:var(--soft);color:var(--muted);font-weight:500;}

/* ---------- hero ---------- */
.cat-hero{
  position:relative;
  background-color:var(--ink-deep);
  background-image:url(/assets/images/backpic/back-2.png);
  background-size:cover;
  background-position:center;
  color:#F2F5F3;
  overflow:hidden;
}
.cat-hero__mask{
  position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(12,42,36,.86) 0%,rgba(12,42,36,.62) 100%);
}
.cat-hero__inner{position:relative;padding-top:34px;padding-bottom:56px;}
@media (min-width:1024px){.cat-hero__inner{padding-top:44px;padding-bottom:88px;}}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(242,245,243,.72);margin-bottom:26px;}
.crumbs a{color:rgba(242,245,243,.86);}
.crumbs a:hover{color:var(--lime);}
.crumbs span.sep{opacity:.6;}
.cat-hero h1{
  margin:18px 0 0;
  font-size:28px;line-height:1.3;font-weight:700;letter-spacing:-.01em;max-width:22ch;
}
@media (min-width:1024px){.cat-hero h1{font-size:42px;line-height:1.25;}}
.cat-hero__lead{margin-top:16px;font-size:16px;line-height:1.8;color:rgba(242,245,243,.86);max-width:56ch;}
.hero-strip{
  margin-top:34px;display:grid;gap:12px;
  grid-template-columns:repeat(3,minmax(0,1fr));
  border-top:1px solid rgba(242,245,243,.22);padding-top:22px;
}
.hero-strip div{min-width:0;}
.hero-strip b{display:block;font-size:20px;font-weight:700;color:#fff;letter-spacing:-.01em;}
.hero-strip span{display:block;font-size:13px;color:rgba(242,245,243,.7);}
@media (min-width:768px){.hero-strip b{font-size:26px;}}

/* ---------- sections ---------- */
.section{padding:52px 0;}
@media (min-width:1024px){.section{padding:92px 0;}}
.section-soft{background:var(--soft);}
.section-line{border-top:1px solid var(--line2);}
.section-head{max-width:720px;margin-bottom:32px;}
@media (min-width:1024px){.section-head{margin-bottom:46px;}}
h2.sec-title{
  position:relative;padding-left:16px;
  font-size:22px;line-height:1.35;font-weight:700;letter-spacing:-.01em;
}
h2.sec-title::before{
  content:"";position:absolute;left:0;top:.28em;width:4px;height:18px;border-radius:2px;background:var(--ink);
}
@media (min-width:1024px){h2.sec-title{font-size:30px;padding-left:18px;}h2.sec-title::before{height:24px;top:.24em;}}
.sec-desc{margin-top:14px;font-size:15px;line-height:1.85;color:var(--muted);}
h3{font-size:20px;line-height:1.4;font-weight:600;}

/* ---------- feature card ---------- */
.feature-card{
  display:grid;gap:0;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh);overflow:hidden;
}
@media (min-width:900px){.feature-card{grid-template-columns:1.05fr .95fr;align-items:stretch;}}
.feature-card__text{padding:26px 24px 28px;}
@media (min-width:1024px){.feature-card__text{padding:42px 44px;}}
.feature-card__text h3{margin-top:16px;font-size:22px;line-height:1.4;}
@media (min-width:1024px){.feature-card__text h3{font-size:26px;}}
.feature-card__text p{margin-top:14px;color:var(--muted);font-size:15.5px;line-height:1.85;}
.feature-card__media{position:relative;background:var(--soft);min-height:230px;}
.feature-card__media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10;}
.tick-list{margin-top:22px;display:grid;gap:12px;}
.tick-list li{display:flex;gap:10px;font-size:15px;line-height:1.75;color:#26332F;}
.tick-list li::before{
  content:"";flex:none;width:18px;height:18px;margin-top:5px;border-radius:50%;
  background:var(--lime);border:1px solid rgba(18,59,51,.16);
  background-image:linear-gradient(transparent,transparent);
}
.feature-card__actions{margin-top:26px;display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- point cards ---------- */
.grid-2{display:grid;gap:20px;grid-template-columns:1fr;}
@media (min-width:640px){.grid-2{grid-template-columns:repeat(2,minmax(0,1fr));}}
.grid-3{display:grid;gap:20px;grid-template-columns:1fr;}
@media (min-width:640px){.grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (min-width:1024px){.grid-3{grid-template-columns:repeat(3,minmax(0,1fr));}}
.point-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.point-card:hover{transform:translateY(-3px);box-shadow:var(--sh-h);border-color:#D8D5CA;}
.point-card h3{margin-top:14px;font-size:19px;}
.point-card p{margin-top:10px;font-size:15px;line-height:1.8;color:var(--muted);}
.point-card ul{margin-top:14px;display:grid;gap:8px;}
.point-card ul li{position:relative;padding-left:14px;font-size:14px;color:#3C4A45;line-height:1.7;}
.point-card ul li::before{
  content:"";position:absolute;left:0;top:.72em;width:5px;height:5px;border-radius:50%;background:var(--orange);
}

/* ---------- compare list ---------- */
.compare-list{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh);overflow:hidden;
}
.compare-list .row{
  display:grid;gap:6px;padding:20px 22px;border-top:1px solid var(--line2);
}
.compare-list .row:first-child{border-top:0;}
@media (min-width:768px){
  .compare-list .row{grid-template-columns:280px 1fr;gap:26px;padding:24px 28px;align-items:start;}
}
.compare-list dt{font-size:16px;font-weight:600;color:var(--ink);}
.compare-list dd{font-size:15.5px;line-height:1.85;color:var(--muted);}
.compare-list dd strong{color:#26332F;font-weight:600;}

/* ---------- steps timeline ---------- */
.steps{display:grid;gap:0;counter-reset:step;}
.steps li{
  position:relative;padding:0 0 26px 54px;
}
.steps li:last-child{padding-bottom:0;}
.steps li::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  position:absolute;left:0;top:0;width:38px;height:38px;border-radius:50%;
  background:var(--ink);color:#fff;display:grid;place-items:center;
  font-size:13px;font-weight:700;letter-spacing:.02em;
}
.steps li::after{
  content:"";position:absolute;left:18px;top:44px;bottom:6px;width:2px;background:var(--line);
}
.steps li:last-child::after{display:none;}
.steps h3{font-size:19px;}
.steps p{margin-top:8px;font-size:15px;line-height:1.8;color:var(--muted);max-width:70ch;}
.steps .step-note{
  display:inline-flex;align-items:center;gap:8px;margin-top:12px;
  background:var(--soft);border-radius:999px;padding:5px 14px;font-size:13px;color:var(--muted);
}
@media (min-width:900px){
  .steps{grid-template-columns:repeat(3,minmax(0,1fr));gap:26px;}
  .steps li{padding:66px 20px 24px 0;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:66px 24px 26px;box-shadow:var(--sh);}
  .steps li::before{left:24px;top:22px;}
  .steps li::after{display:none;}
}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;gap:28px;}
@media (min-width:1024px){.faq-layout{grid-template-columns:320px 1fr;gap:56px;align-items:start;}}
.faq-aside{position:static;}
@media (min-width:1024px){.faq-aside{position:sticky;top:96px;}}
.faq-aside p{margin-top:14px;font-size:15px;line-height:1.85;color:var(--muted);}
.faq-list{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh);overflow:hidden;}
.faq-item{border-top:1px solid var(--line2);}
.faq-item:first-child{border-top:0;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:16.5px;font-weight:600;line-height:1.6;color:var(--text);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.faq-q:hover{background:rgba(18,59,51,.04);color:var(--ink);}
.faq-icon{position:relative;width:18px;height:18px;flex:none;}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--ink);border-radius:2px;
  transition:transform .22s var(--ease),opacity .22s var(--ease);
}
.faq-icon::before{left:0;right:0;top:8px;height:2px;}
.faq-icon::after{top:0;bottom:0;left:8px;width:2px;}
.faq-item.is-open .faq-icon::after{transform:rotate(90deg);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s var(--ease);}
.faq-a p{padding:0 22px 20px;font-size:15.5px;line-height:1.85;color:var(--muted);}
.faq-item.is-open .faq-q{color:var(--ink);}

/* ---------- category cards ---------- */
.cat-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.cat-card:hover{transform:translateY(-3px);box-shadow:var(--sh-h);}
.cat-card__media{aspect-ratio:16/10;background:var(--soft);overflow:hidden;}
.cat-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .24s var(--ease);}
.cat-card:hover .cat-card__media img{transform:scale(1.03);}
.cat-card__body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.cat-card__body h3{font-size:19px;}
.cat-card__body p{font-size:14.5px;line-height:1.8;color:var(--muted);}
.cat-card__foot{margin-top:auto;padding-top:8px;font-size:13px;color:var(--muted);display:flex;align-items:center;gap:8px;}
.cat-card.is-current{border-color:rgba(18,59,51,.35);}
.cat-card.is-current .cat-card__foot{color:var(--ink);font-weight:600;}

/* ---------- CTA + form ---------- */
.cta-join{
  background:linear-gradient(140deg,var(--ink) 0%,var(--ink-deep) 100%);
  color:#F2F5F3;
}
.cta-join__inner{display:grid;gap:32px;padding:56px 0;}
@media (min-width:1024px){
  .cta-join__inner{grid-template-columns:1fr 420px;gap:64px;padding:88px 0;align-items:start;}
}
.cta-join h2{
  position:relative;padding-left:16px;font-size:24px;line-height:1.35;font-weight:700;letter-spacing:-.01em;color:#fff;
}
.cta-join h2::before{
  content:"";position:absolute;left:0;top:.26em;width:4px;height:20px;border-radius:2px;background:var(--lime);
}
@media (min-width:1024px){.cta-join h2{font-size:30px;}}
.cta-join p.lead{margin-top:16px;font-size:16px;line-height:1.85;color:rgba(242,245,243,.85);max-width:52ch;}
.cta-meta{margin-top:26px;display:grid;gap:12px;border-top:1px solid rgba(242,245,243,.22);padding-top:22px;}
.cta-meta li{display:flex;gap:10px;font-size:14.5px;color:rgba(242,245,243,.82);}
.cta-meta li::before{content:"";flex:none;width:6px;height:6px;margin-top:10px;border-radius:50%;background:var(--lime);}
.form-card{background:#fff;color:var(--text);border-radius:var(--r-card);padding:24px;box-shadow:0 18px 40px rgba(4,18,15,.28);}
@media (min-width:1024px){.form-card{padding:30px;}}
.form-card h3{font-size:19px;}
.form-card .form-tip{margin-top:8px;font-size:13.5px;color:var(--muted);line-height:1.7;}
.field{margin-top:18px;}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:#26332F;}
.field input,.field select,.field textarea{
  width:100%;background:#fff;border:1px solid var(--line);border-radius:var(--r-btn);
  padding:0 14px;height:46px;font-size:15px;color:var(--text);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field textarea{height:96px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--ink);box-shadow:0 0 0 3px rgba(200,241,53,.55);outline:none;
}
.field .err{display:none;margin-top:6px;font-size:13px;color:var(--error);}
.field.has-error input,.field.has-error textarea{border-color:var(--error);}
.field.has-error .err{display:block;}
.form-actions{margin-top:22px;}
.form-note{margin-top:12px;font-size:13px;color:var(--muted);line-height:1.7;}
.form-success{
  display:none;margin-top:18px;padding:12px 14px;border-radius:var(--r-btn);
  background:rgba(47,143,91,.10);border:1px solid rgba(47,143,91,.35);color:#1F6A43;font-size:14px;line-height:1.7;
}
.form-success.is-visible{display:block;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-deep);color:#F2F5F3;padding-top:56px;}
@media (min-width:1024px){.site-footer{padding-top:76px;}}
.foot-grid{display:grid;gap:32px;}
@media (min-width:640px){.foot-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (min-width:1024px){.foot-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;}}
.site-footer h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:14px;}
.foot-list{display:grid;gap:10px;}
.foot-list li{font-size:14px;color:rgba(242,245,243,.76);line-height:1.7;}
.foot-list a{color:rgba(242,245,243,.86);transition:color .2s var(--ease);}
.foot-list a:hover{color:var(--lime);}
.site-footer .brand{color:#fff;}
.site-footer .brand-mark{background:rgba(255,255,255,.14);}
.foot-bottom{
  margin-top:44px;border-top:1px solid rgba(242,245,243,.16);padding:20px 0 28px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(242,245,243,.62);
}

/* ---------- mobile tabbar ---------- */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  display:flex;height:64px;background:#fff;border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
  box-shadow:0 -4px 16px rgba(16,26,23,.06);
}
.tabbar a{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  min-height:48px;font-size:11px;color:var(--muted);position:relative;
  transition:color .2s var(--ease);
}
.tabbar a svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.tabbar a.is-active{color:var(--orange);font-weight:600;}
.tabbar a.is-active::before{
  content:"";position:absolute;top:0;left:22%;right:22%;height:2px;border-radius:0 0 3px 3px;background:var(--orange);
}
@media (min-width:768px){
  .tabbar{display:none;}
  body{padding-bottom:0;}
}

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