/* roulang page: index */
:root{
    --primary:#0B4D3C;
    --deep:#0B2A20;
    --accent:#C8F14A;
    --aux:#FF7A2F;
    --sand:#F5F6F1;
    --line:#E2E4DB;
    --text:#1A2620;
    --body:#33443B;
    --muted:#5C6B62;
    --inverse:#F2F7F2;
    --radius-card:16px;
    --radius-btn:12px;
    --shadow-card:0 1px 2px rgba(11,77,60,.06),0 10px 24px -14px rgba(11,77,60,.18);
    --shadow-hover:0 2px 4px rgba(11,77,60,.08),0 20px 38px -18px rgba(11,77,60,.28);
  }
  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    margin:0;
    font-family:'PingFang SC','Noto Sans SC','Microsoft YaHei',system-ui,sans-serif;
    font-size:17px;
    line-height:1.85;
    color:var(--text);
    background:var(--sand);
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none}
  button{font:inherit;background:none;border:none;cursor:pointer}
  h1,h2,h3,h4,p,ul,ol,figure{margin:0}
  ul,ol{padding:0;list-style:none}
  :focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
  .no-scrollbar::-webkit-scrollbar{display:none}
  .no-scrollbar{-ms-overflow-style:none;scrollbar-width:none}
  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
  @media (min-width:768px){.container{padding:0 24px}}
  .num{font-variant-numeric:tabular-nums}

  /* ---------- 导航 ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:linear-gradient(100deg,#0B4D3C,#0B2A20);
    border-bottom:1px solid rgba(255,255,255,.14);
  }
  .nav-wrap{display:flex;align-items:center;gap:18px;height:72px}
  .brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
  .brand-mark{width:36px;height:36px;flex:0 0 auto;color:var(--accent)}
  .brand-text{display:flex;flex-direction:column;line-height:1.12}
  .brand-name{color:var(--inverse);font-size:16px;font-weight:800;letter-spacing:.02em}
  .brand-sub{color:rgba(242,247,242,.66);font-size:11px;letter-spacing:.08em}
  .nav-tabs{
    display:flex;align-items:center;gap:8px;flex:1 1 auto;min-width:0;
    overflow-x:auto;scroll-snap-type:x proximity;
    padding:6px 2px;
  }
  .nav-chip{
    position:relative;flex:0 0 auto;scroll-snap-align:start;
    padding:8px 16px;border-radius:999px;font-size:14px;white-space:nowrap;
    color:rgba(255,255,255,.78);background:rgba(255,255,255,.08);
    transition:all .2s ease-out;
  }
  .nav-chip:hover{background:rgba(255,255,255,.18);color:#fff}
  .nav-chip.is-active{background:var(--accent);color:#0B2A20;font-weight:700}
  .nav-chip.is-active::after{
    content:"";position:absolute;left:50%;bottom:-7px;transform:translateX(-50%);
    width:22px;height:2px;border-radius:2px;background:var(--accent);
  }
  .nav-actions{display:flex;align-items:center;gap:16px;flex:0 0 auto}
  .nav-help{font-size:14px;color:rgba(242,247,242,.78);text-decoration:underline;text-underline-offset:4px}
  .nav-help:hover{color:#fff}
  .nav-toggle{
    display:none;width:42px;height:42px;border-radius:12px;
    align-items:center;justify-content:center;color:var(--inverse);
    background:rgba(255,255,255,.08);
  }
  .nav-toggle:hover{background:rgba(255,255,255,.18)}
  .nav-drawer{
    display:none;background:#0B2A20;border-top:1px solid rgba(255,255,255,.14);
    padding:16px 20px 24px;
  }
  .nav-drawer.is-open{display:block;animation:drawerIn .18s ease-out}
  @keyframes drawerIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}
  .drawer-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-bottom:16px}
  .drawer-chip{
    display:block;padding:10px 12px;border-radius:12px;text-align:center;
    font-size:14px;color:rgba(242,247,242,.85);background:rgba(255,255,255,.08);
  }
  .drawer-chip.is-active{background:var(--accent);color:#0B2A20;font-weight:700}
  .drawer-cta{display:block;text-align:center;padding:12px;border-radius:12px;background:var(--accent);color:#0B2A20;font-weight:700}

  @media (max-width:1023px){
    .nav-tabs{display:none}
    .nav-actions{display:none}
    .nav-toggle{display:flex;margin-left:auto}
  }

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border-radius:var(--radius-btn);padding:12px 24px;font-size:15px;font-weight:700;
    border:1.5px solid transparent;transition:all .2s ease-out;cursor:pointer;line-height:1.3;
  }
  .btn-primary{background:var(--accent);color:#0B2A20}
  .btn-primary:hover{background:#d4f970;transform:translateY(-1px);box-shadow:0 12px 26px -12px rgba(11,77,60,.55)}
  .btn-primary:active{transform:translateY(0);box-shadow:none}
  .btn-ghost{border-color:var(--primary);color:var(--primary);background:transparent}
  .btn-ghost:hover{background:var(--primary);color:#fff}
  .btn-ghost-light{border-color:rgba(255,255,255,.5);color:var(--inverse);background:transparent}
  .btn-ghost-light:hover{background:var(--inverse);color:#0B2A20}
  .btn-sm{padding:9px 18px;font-size:14px}
  .link-arrow{color:var(--primary);font-weight:600;font-size:15px;text-decoration:underline;text-underline-offset:4px}
  .link-arrow:hover{color:var(--aux)}

  /* ---------- 通用版块 ---------- */
  .section{padding:56px 0}
  @media (min-width:768px){.section{padding:72px 0}}
  .bg-white-block{background:#fff}
  .bg-sand-block{background:var(--sand)}
  .h2{font-size:24px;line-height:1.35;font-weight:700;color:var(--primary)}
  @media (min-width:768px){.h2{font-size:28px}}
  .h3{font-size:20px;font-weight:600;line-height:1.5;color:var(--text)}
  .section-lead{margin-top:10px;font-size:16px;color:var(--muted);max-width:760px}
  .body-text{font-size:17px;line-height:1.85;color:var(--body);margin-top:12px}
  .card{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
    box-shadow:var(--shadow-card);transition:all .2s ease-out;
  }
  .card-hover:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
  .accent-bar{position:relative;overflow:hidden}
  .accent-bar::before{
    content:"";position:absolute;left:0;top:26px;bottom:26px;width:4px;
    border-radius:0 4px 4px 0;background:var(--accent);
  }
  .chip-outline{
    display:inline-flex;align-items:center;padding:3px 11px;border-radius:999px;
    border:1px solid var(--primary);color:var(--primary);font-size:12px;line-height:1.7;
  }
  .chip-solid{
    display:inline-flex;align-items:center;padding:3px 11px;border-radius:999px;
    background:var(--accent);color:#0B2A20;font-size:12px;font-weight:700;line-height:1.7;
  }
  .clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

  /* ---------- Hero ---------- */
  .hero{position:relative;min-height:560px;display:flex;align-items:center;overflow:hidden;background:var(--deep)}
  .hero-bg{
    position:absolute;inset:0;
    background-image:url('/assets/images/backpic/back-1.webp');
    background-size:cover;background-position:center;
  }
  .hero-bg::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(100deg,rgba(11,77,60,.88) 0%,rgba(11,42,32,.68) 55%,rgba(11,42,32,.42) 100%);
  }
  .hero-inner{position:relative;z-index:2;padding:88px 0 84px}
  .hero-eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;letter-spacing:.06em;color:rgba(242,247,242,.82);
    border:1px solid rgba(255,255,255,.22);border-radius:999px;padding:5px 14px;
  }
  .hero-title{
    margin-top:20px;max-width:660px;
    font-size:26px;line-height:1.24;font-weight:800;letter-spacing:-.01em;color:var(--inverse);
  }
  @media (min-width:768px){.hero-title{font-size:32px}}
  @media (min-width:1024px){.hero-title{font-size:40px}}
  .hero-sub{margin-top:18px;max-width:600px;font-size:17px;line-height:1.8;color:rgba(242,247,242,.86)}
  .hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
  .hero-chip{
    display:inline-flex;padding:6px 14px;border-radius:999px;font-size:13px;
    color:rgba(242,247,242,.9);background:rgba(255,255,255,.12);
    border:1px solid rgba(255,255,255,.18);
  }
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
  .status-card{display:none}
  @media (min-width:1024px){
    .status-card{
      display:block;position:absolute;right:8px;bottom:72px;width:268px;
      background:#fff;border-radius:16px;padding:16px 18px;
      box-shadow:0 24px 46px -20px rgba(0,0,0,.55);
    }
  }
  .status-row{display:flex;align-items:center;justify-content:space-between;padding:8px 0;font-size:13px;color:var(--muted)}
  .status-row + .status-row{border-top:1px dashed var(--line)}
  .status-row b{font-size:15px;color:var(--primary);font-weight:800}
  .status-row b.dot::before{
    content:"";display:inline-block;width:7px;height:7px;border-radius:50%;
    background:var(--accent);margin-right:7px;vertical-align:middle;
  }
  @media (max-width:640px){
    .hero{min-height:460px}
    .hero-inner{padding:64px 0 60px}
  }

  /* ---------- 步骤 ---------- */
  .step-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:26px 24px;box-shadow:var(--shadow-card);transition:all .2s ease-out}
  .step-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
  .step-badge{
    display:inline-flex;align-items:center;justify-content:center;
    min-width:62px;height:62px;border-radius:16px;
    background:var(--deep);color:var(--accent);
    font-size:28px;font-weight:800;line-height:1;font-variant-numeric:tabular-nums;
  }
  .stripe-divider{
    height:8px;border-radius:999px;
    background:repeating-linear-gradient(115deg,rgba(11,77,60,.06) 0 8px,transparent 8px 16px);
  }

  /* ---------- 数据带 ---------- */
  .stat-band{background:linear-gradient(100deg,#0B2A20,#0B4D3C);padding:56px 0}
  .stat-num{font-size:38px;font-weight:800;line-height:1.1;color:var(--accent);font-variant-numeric:tabular-nums}
  @media (min-width:768px){.stat-num{font-size:48px}}
  .stat-label{margin-top:8px;font-size:14px;color:rgba(242,247,242,.72)}
  .stat-note{margin-top:32px;font-size:13px;color:rgba(242,247,242,.55)}

  /* ---------- 证言 ---------- */
  .quote-mark{font-family:Georgia,"Songti SC",serif;font-size:62px;line-height:.8;color:var(--accent)}
  .quote-text{margin-top:12px;font-size:18px;line-height:1.85;color:var(--body)}
  .quote-person{display:flex;align-items:center;gap:12px;margin-top:18px}
  .quote-avatar{width:40px;height:40px;border-radius:50%;object-fit:cover;background:var(--sand);border:1px solid var(--line)}
  .quote-meta{font-size:13px;color:var(--muted)}

  /* ---------- 资讯卡片 ---------- */
  .news-card{
    display:flex;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
    overflow:hidden;box-shadow:var(--shadow-card);transition:all .2s ease-out;
  }
  .news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
  .news-card > a{display:flex;flex-direction:column;width:100%;height:100%}
  .news-cover{aspect-ratio:16/9;overflow:hidden;background:var(--sand)}
  .news-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
  .news-card:hover .news-cover img{transform:scale(1.03)}
  .news-body{display:flex;flex-direction:column;gap:10px;flex:1;padding:18px 20px 20px}
  .news-title{font-size:18px;font-weight:700;line-height:1.5;color:var(--text)}
  .news-summary{font-size:15px;line-height:1.65;color:var(--muted)}
  .news-foot{
    display:flex;align-items:center;justify-content:space-between;
    margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
    font-size:13px;color:var(--muted);
  }
  .news-foot .arrow{color:var(--primary);font-weight:700}
  .empty-state{
    grid-column:1/-1;text-align:center;padding:48px 20px;
    background:#fff;border:1px dashed var(--line);border-radius:var(--radius-card);color:var(--muted);
  }
  .empty-icon{
    width:52px;height:52px;margin:0 auto 14px;border:1.5px solid var(--line);
    border-radius:14px;display:flex;align-items:center;justify-content:center;color:var(--primary);
  }

  /* ---------- FAQ ---------- */
  .faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;margin-top:28px}
  .faq-item{
    background:#fff;border:1px solid var(--line);border-radius:12px;
    overflow:hidden;transition:all .2s ease-out;
  }
  .faq-item[open]{box-shadow:inset 3px 0 0 var(--accent);border-color:#cfd8cc}
  .faq-item summary{
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:16px 20px;font-size:17px;font-weight:600;color:var(--text);
    cursor:pointer;list-style:none;
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary::after{content:"+";font-size:22px;font-weight:400;color:var(--primary);line-height:1}
  .faq-item[open] summary::after{content:"−"}
  .faq-body{padding:0 20px 18px;font-size:15px;line-height:1.85;color:var(--muted)}

  /* ---------- CTA ---------- */
  .cta-band{position:relative;overflow:hidden;background:linear-gradient(100deg,#0B2A20,#0B4D3C);padding:60px 0}
  .cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:28px;align-items:center;justify-content:space-between}
  .cta-title{font-size:24px;font-weight:800;line-height:1.35;color:var(--inverse)}
  @media (min-width:768px){.cta-title{font-size:28px}}
  .cta-text{margin-top:10px;font-size:16px;color:rgba(242,247,242,.78);max-width:620px}
  .cta-actions{display:flex;flex-wrap:wrap;gap:14px}
  .cta-arc{position:absolute;right:-70px;top:-50px;width:280px;height:280px;z-index:1;pointer-events:none;opacity:.85}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--deep);color:rgba(242,247,242,.78);padding:56px 0 0}
  .footer-grid{display:grid;grid-template-columns:1fr;gap:34px}
  @media (min-width:768px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.1fr}}
  .footer-title{font-size:14px;font-weight:700;color:var(--inverse);margin-bottom:14px}
  .footer-link{display:block;font-size:14px;color:rgba(242,247,242,.78);padding:5px 0;transition:all .2s ease-out}
  .footer-link:hover{color:#fff;text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:3px}
  .footer-note{font-size:13px;line-height:1.8;color:rgba(242,247,242,.6);margin-top:14px;max-width:340px}
  .footer-bottom{
    display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
    margin-top:40px;padding:18px 0;border-top:1px solid rgba(255,255,255,.14);
    font-size:13px;color:rgba(242,247,242,.55);
  }
  .footer-bottom a{color:rgba(242,247,242,.7)}
  .footer-bottom a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}

/* roulang page: article */
:root{
    --primary:#0B4D3C;
    --deep:#0B2A20;
    --accent:#C8F14A;
    --aux:#FF7A2F;
    --sand:#F5F6F1;
    --surface:#FFFFFF;
    --ink:#1A2620;
    --sub:#5C6B62;
    --line:#E2E4DB;
    --reverse:#F2F7F2;
    --radius-card:16px;
    --radius-btn:12px;
    --shadow-card:0 1px 2px rgba(11,77,60,.06), 0 10px 24px -14px rgba(11,77,60,.18);
    --shadow-card-hover:0 2px 4px rgba(11,77,60,.08), 0 20px 38px -18px rgba(11,77,60,.26);
    --edge:rgba(255,255,255,.14);
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
  body{
    margin:0;
    font-family:"PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
    font-size:17px;
    line-height:1.85;
    color:var(--ink);
    background:var(--sand);
    -webkit-font-smoothing:antialiased;
  }
  img{display:block;max-width:100%;height:auto;}
  a{color:inherit;text-decoration:none;}
  button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
  input{font:inherit;}
  :focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}
  h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.01em;}
  p{margin:0;}
  .num{font-variant-numeric:tabular-nums;}

  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
  @media (min-width:768px){.container{padding:0 24px;}}

  /* ---------- 顶部导航 ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:linear-gradient(100deg,var(--primary),var(--deep));
    border-bottom:1px solid var(--edge);
  }
  .header-inner{display:flex;align-items:center;gap:18px;height:60px;}
  @media (min-width:768px){.header-inner{height:72px;gap:24px;}}

  .brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--reverse);}
  .brand-mark{width:34px;height:34px;color:var(--accent);flex:0 0 auto;}
  .brand-text{display:flex;flex-direction:column;line-height:1.15;}
  .brand-name{font-size:16px;font-weight:800;letter-spacing:.01em;}
  .brand-sub{font-size:11px;letter-spacing:.08em;color:rgba(242,247,242,.72);}

  .nav-tabs{
    display:none;
    align-items:center;gap:8px;
    flex:1 1 auto;
    overflow-x:auto;
    scroll-snap-type:x mandatory;
    -webkit-overflow-scrolling:touch;
  }
  @media (min-width:900px){.nav-tabs{display:flex;}}
  .no-scrollbar{-ms-overflow-style:none;scrollbar-width:none;}
  .no-scrollbar::-webkit-scrollbar{display:none;}

  .nav-chip{
    position:relative;
    flex:0 0 auto;
    scroll-snap-align:start;
    padding:8px 16px;
    border-radius:999px;
    font-size:14px;
    font-weight:500;
    color:rgba(242,247,242,.78);
    background:rgba(255,255,255,.08);
    transition:all .2s ease-out;
    white-space:nowrap;
  }
  .nav-chip:hover{background:rgba(255,255,255,.16);color:#fff;}
  .nav-chip.is-active{
    background:var(--accent);
    color:var(--deep);
    font-weight:700;
  }
  .nav-chip.is-active::after{
    content:"";
    position:absolute;left:50%;bottom:-7px;
    width:22px;height:2px;border-radius:2px;
    background:var(--accent);
    transform:translateX(-50%);
  }

  .header-actions{margin-left:auto;display:flex;align-items:center;gap:10px;flex:0 0 auto;}
  .header-actions .btn-sm{padding:9px 16px;font-size:14px;display:none;}
  @media (min-width:560px){.header-actions .btn-sm{display:inline-flex;}}

  .nav-toggle{display:inline-flex;flex-direction:column;justify-content:center;gap:4px;width:40px;height:40px;padding:8px;border-radius:10px;background:rgba(255,255,255,.1);}
  @media (min-width:900px){.nav-toggle{display:none;}}
  .nav-toggle span{display:block;height:2px;border-radius:2px;background:var(--reverse);transition:all .2s ease-out;}
  .nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
  .nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
  .nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

  .mobile-drawer{
    position:fixed;left:0;right:0;top:60px;bottom:0;
    z-index:55;
    background:linear-gradient(160deg,var(--primary),var(--deep));
    padding:22px 20px 32px;
    opacity:0;transform:translateY(-8px);
    pointer-events:none;
    transition:opacity .18s ease-out,transform .18s ease-out;
    overflow-y:auto;
  }
  .mobile-drawer.is-open{opacity:1;transform:none;pointer-events:auto;}
  .drawer-nav{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
  .drawer-link{
    padding:12px 14px;border-radius:12px;font-size:14px;
    color:rgba(242,247,242,.82);background:rgba(255,255,255,.08);
    border:1px solid var(--edge);
  }
  .drawer-link.is-active{background:var(--accent);color:var(--deep);font-weight:700;border-color:transparent;}
  .drawer-cta{width:100%;justify-content:center;margin-top:18px;}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:12px 24px;
    border-radius:var(--radius-btn);
    font-size:15px;font-weight:700;
    transition:all .2s ease-out;
    border:1.5px solid transparent;
    cursor:pointer;
  }
  .btn-primary{background:var(--accent);color:var(--deep);}
  .btn-primary:hover{background:#D3F766;transform:translateY(-1px);box-shadow:0 10px 22px -12px rgba(11,42,32,.5);}
  .btn-primary:active{transform:translateY(0);box-shadow:none;}
  .btn-ghost{background:transparent;border-color:var(--primary);color:var(--primary);}
  .btn-ghost:hover{background:var(--primary);color:#fff;}
  .btn-outline-light{background:transparent;border-color:rgba(255,255,255,.6);color:#fff;}
  .btn-outline-light:hover{background:rgba(255,255,255,.14);}
  .link-text{color:var(--primary);font-weight:700;text-decoration:underline;text-underline-offset:4px;transition:color .2s ease-out;}
  .link-text:hover{color:var(--aux);}

  /* ---------- 面包屑 ---------- */
  .breadcrumb-bar{background:var(--surface);border-bottom:1px solid var(--line);}
  .breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:14px 0;font-size:13px;color:var(--sub);}
  .breadcrumb a{color:var(--primary);font-weight:600;}
  .breadcrumb a:hover{color:var(--aux);}
  .crumb-sep{color:#B7BFB4;}
  .crumb-current{color:var(--sub);}

  /* ---------- 文章头部 ---------- */
  .article-head{background:var(--surface);padding:34px 0 30px;}
  @media (min-width:768px){.article-head{padding:48px 0 38px;}}
  .article-wrap{max-width:820px;}
  .chip{
    display:inline-flex;align-items:center;gap:6px;
    padding:5px 14px;border-radius:999px;
    font-size:13px;font-weight:600;
    border:1px solid var(--primary);color:var(--primary);background:transparent;
  }
  .chip-solid{background:var(--accent);color:var(--deep);border-color:transparent;}
  .article-title{
    margin-top:16px;
    font-size:26px;font-weight:800;line-height:1.28;
    color:var(--primary);
  }
  @media (min-width:640px){.article-title{font-size:32px;}}
  @media (min-width:1024px){.article-title{font-size:36px;}}
  .article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:16px;font-size:14px;color:var(--sub);}
  .article-meta .dot{color:#B7BFB4;}

  .article-cover{margin-top:26px;border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);background:var(--sand);}
  .article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;}
  .article-cover figcaption{font-size:12px;color:var(--sub);padding:10px 14px;background:var(--surface);}

  /* ---------- 正文 ---------- */
  .article-section{background:var(--sand);padding:40px 0 56px;}
  @media (min-width:768px){.article-section{padding:56px 0 72px;}}
  .article-body{
    max-width:760px;margin:0 auto;
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    box-shadow:var(--shadow-card);
    padding:26px 22px 30px;
    font-size:17px;line-height:1.9;
  }
  @media (min-width:768px){.article-body{padding:40px 44px 46px;}}
  .article-body > * + *{margin-top:1.15em;}
  .article-body p{color:var(--ink);}
  .article-body h2{
    font-size:24px;font-weight:700;color:var(--primary);
    margin-top:2em;margin-bottom:.8em;
    padding-left:12px;border-left:4px solid var(--accent);
  }
  .article-body h3{font-size:20px;font-weight:600;color:var(--primary);margin-top:1.6em;margin-bottom:.6em;}
  .article-body ul,.article-body ol{padding-left:1.3em;}
  .article-body li{margin:.4em 0;}
  .article-body ul li::marker{color:var(--primary);}
  .article-body ol li::marker{color:var(--primary);font-weight:700;}
  .article-body blockquote{
    margin:1.4em 0;padding:16px 18px;
    background:var(--sand);border-left:3px solid var(--primary);
    border-radius:0 12px 12px 0;font-size:15px;color:var(--sub);
  }
  .article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:4px;}
  .article-body a:hover{color:var(--aux);}
  .article-body img{border-radius:12px;margin:1.4em auto;}
  .article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:1.4em 0;}
  .article-body th{background:var(--primary);color:#fff;padding:10px 12px;text-align:left;font-weight:600;}
  .article-body td{padding:10px 12px;border-bottom:1px solid var(--line);}
  .article-body tbody tr:nth-child(even){background:#FAFBF7;}
  .article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0;}

  .article-empty{
    max-width:760px;margin:0 auto;text-align:center;
    background:var(--surface);border:1px solid var(--line);
    border-radius:var(--radius-card);box-shadow:var(--shadow-card);
    padding:48px 24px;
  }
  .article-empty svg{width:52px;height:52px;margin:0 auto 16px;color:var(--primary);opacity:.75;}
  .article-empty-title{font-size:20px;font-weight:700;color:var(--primary);}
  .article-empty-desc{margin-top:8px;font-size:15px;color:var(--sub);}
  .article-empty .btn{margin-top:20px;}

  .article-foot{max-width:760px;margin:26px auto 0;display:flex;flex-wrap:wrap;gap:12px;}

  /* ---------- 相关阅读 ---------- */
  .related-section{background:var(--surface);padding:48px 0 56px;}
  .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:26px;}
  .section-title{font-size:24px;font-weight:700;color:var(--primary);padding-left:12px;border-left:4px solid var(--accent);}
  @media (min-width:768px){.section-title{font-size:28px;}}
  .section-sub{margin-top:6px;font-size:15px;color:var(--sub);}
  .grid-cards{display:grid;grid-template-columns:1fr;gap:20px;}
  @media (min-width:640px){.grid-cards{grid-template-columns:repeat(2,1fr);}}
  @media (min-width:1024px){.grid-cards{grid-template-columns:repeat(3,1fr);}}
  .card{
    display:flex;flex-direction:column;
    background:var(--surface);border:1px solid var(--line);
    border-radius:var(--radius-card);overflow:hidden;
    box-shadow:var(--shadow-card);
    transition:all .2s ease-out;
  }
  .card:hover{transform:translateY(-2px);box-shadow:var(--shadow-card-hover);border-color:#CFD8CB;}
  .card-media{background:var(--sand);overflow:hidden;}
  .card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease-out;}
  .card:hover .card-media img{transform:scale(1.03);}
  .card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;}
  .card-title{font-size:18px;font-weight:700;color:var(--ink);line-height:1.45;}
  .card-desc{font-size:15px;color:var(--sub);line-height:1.75;}
  .card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--sub);padding-top:6px;}
  .card-foot .arrow{color:var(--primary);font-weight:700;}

  /* ---------- CTA 带 ---------- */
  .cta-band{background:linear-gradient(120deg,var(--deep),var(--primary));color:var(--reverse);padding:52px 0;}
  .cta-inner{display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between;}
  .cta-title{font-size:24px;font-weight:800;color:#fff;}
  @media (min-width:768px){.cta-title{font-size:28px;}}
  .cta-desc{margin-top:10px;font-size:15px;color:rgba(242,247,242,.78);max-width:620px;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--deep);color:var(--reverse);padding:52px 0 24px;}
  .footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
  @media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
  @media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;}}
  .site-footer .brand{margin-bottom:14px;}
  .footer-note{font-size:14px;color:rgba(242,247,242,.68);line-height:1.8;max-width:330px;}
  .footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:14px;}
  .footer-link{display:block;font-size:14px;color:rgba(242,247,242,.78);padding:5px 0;transition:color .2s ease-out;}
  .footer-link:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:2px;}
  .footer-bottom{
    margin-top:36px;padding-top:18px;border-top:1px solid var(--edge);
    display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
    font-size:13px;color:rgba(242,247,242,.55);
  }
  .footer-bottom a{color:rgba(242,247,242,.72);}
  .footer-bottom a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}

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

/* roulang page: category1 */
:root{
    --primary:#0B4D3C;
    --deep:#0B2A20;
    --accent:#C8F14A;
    --aux:#FF7A2F;
    --sand:#F5F6F1;
    --card:#FFFFFF;
    --ink:#1A2620;
    --muted:#5C6B62;
    --line:#E2E4DB;
    --radius-card:16px;
    --radius-btn:12px;
    --shadow-card:0 1px 2px rgba(11,77,60,.06), 0 10px 24px -14px rgba(11,77,60,.18);
    --shadow-hover:0 2px 6px rgba(11,77,60,.09), 0 18px 36px -16px rgba(11,77,60,.26);
  }

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

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

  body{
    margin:0;
    background:var(--card);
    color:var(--ink);
    font-family:'PingFang SC','Noto Sans SC','Microsoft YaHei',system-ui,sans-serif;
    font-size:17px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }

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

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

  .container{
    width:100%;
    max-width:1200px;
    margin:0 auto;
    padding-left:20px;
    padding-right:20px;
  }
  @media (min-width:768px){
    .container{ padding-left:24px; padding-right:24px; }
  }

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

  /* ---------- 顶部导航 ---------- */
  .site-header{
    position:sticky;
    top:0;
    z-index:60;
    background:linear-gradient(100deg, #0B4D3C 0%, #0B2A20 100%);
    border-bottom:1px solid rgba(255,255,255,.12);
  }
  .header-inner{
    display:flex;
    align-items:center;
    gap:18px;
    height:72px;
  }
  .brand{
    display:inline-flex;
    align-items:center;
    gap:10px;
    color:#F2F7F2;
    flex:0 0 auto;
  }
  .brand-mark{
    width:34px;
    height:34px;
    color:var(--accent);
    flex:0 0 auto;
  }
  .brand-text{
    display:flex;
    flex-direction:column;
    line-height:1.15;
  }
  .brand-name{
    font-size:17px;
    font-weight:800;
    letter-spacing:.01em;
  }
  .brand-sub{
    font-size:11px;
    font-weight:600;
    letter-spacing:.08em;
    color:rgba(255,255,255,.7);
  }

  .nav-tabs{
    display:flex;
    align-items:center;
    gap:8px;
    flex:1 1 auto;
    min-width:0;
    overflow-x:auto;
    scroll-snap-type:x mandatory;
    padding:6px 2px;
  }
  .nav-chip{
    flex:0 0 auto;
    scroll-snap-align:start;
    position:relative;
    display:inline-flex;
    align-items:center;
    padding:8px 16px;
    border-radius:999px;
    font-size:14px;
    line-height:1.4;
    color:rgba(255,255,255,.78);
    background:rgba(255,255,255,.08);
    border:1px solid transparent;
    transition:all .2s ease-out;
    white-space:nowrap;
  }
  .nav-chip:hover{
    background:rgba(255,255,255,.18);
    color:#FFFFFF;
  }
  .nav-chip.is-active{
    background:var(--accent);
    color:#0B2A20;
    font-weight:700;
  }
  .nav-chip.is-active::after{
    content:"";
    position:absolute;
    left:50%;
    transform:translateX(-50%);
    bottom:-5px;
    width:20px;
    height:2px;
    border-radius:2px;
    background:var(--accent);
  }

  .header-actions{
    display:flex;
    align-items:center;
    gap:12px;
    flex:0 0 auto;
  }

  .nav-toggle{
    display:none;
    width:42px;
    height:42px;
    border-radius:12px;
    border:1px solid rgba(255,255,255,.24);
    background:rgba(255,255,255,.08);
    cursor:pointer;
    padding:0;
    align-items:center;
    justify-content:center;
    flex-direction:column;
    gap:4px;
    transition:all .2s ease-out;
  }
  .nav-toggle span{
    display:block;
    width:18px;
    height:2px;
    border-radius:2px;
    background:#F2F7F2;
    transition:all .2s ease-out;
  }
  .nav-toggle:hover{ background:rgba(255,255,255,.18); }
  .nav-toggle.is-open span:nth-child(1){ transform:translateY(6px) rotate(45deg); }
  .nav-toggle.is-open span:nth-child(2){ opacity:0; }
  .nav-toggle.is-open span:nth-child(3){ transform:translateY(-6px) rotate(-45deg); }

  .mobile-nav{
    display:none;
    background:var(--deep);
    border-top:1px solid rgba(255,255,255,.12);
  }
  .mobile-nav.is-open{
    display:block;
    animation:drawerIn .18s ease-out both;
  }
  .mobile-nav-inner{
    padding-top:16px;
    padding-bottom:20px;
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:10px;
  }
  .mobile-nav-inner .nav-chip{
    justify-content:center;
    padding:11px 12px;
  }
  .mobile-nav-inner .is-full{ grid-column:1 / -1; }
  @keyframes drawerIn{
    from{ opacity:0; transform:translateY(-8px); }
    to{ opacity:1; transform:translateY(0); }
  }

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    border-radius:var(--radius-btn);
    padding:12px 24px;
    font-size:15px;
    font-weight:700;
    line-height:1.4;
    border:1.5px solid transparent;
    cursor:pointer;
    transition:all .2s ease-out;
  }
  .btn-primary{
    background:var(--accent);
    color:#0B2A20;
    box-shadow:0 6px 16px -10px rgba(11,42,32,.55);
  }
  .btn-primary:hover{
    background:#d3f763;
    transform:translateY(-1px);
    box-shadow:0 12px 24px -12px rgba(11,42,32,.6);
  }
  .btn-primary:active{
    transform:translateY(0);
    box-shadow:0 4px 10px -8px rgba(11,42,32,.5);
  }
  .btn-outline{
    background:transparent;
    border-color:var(--primary);
    color:var(--primary);
  }
  .btn-outline:hover{
    background:var(--primary);
    color:#FFFFFF;
  }
  .btn-outline-light{
    background:transparent;
    border-color:rgba(255,255,255,.42);
    color:#F2F7F2;
  }
  .btn-outline-light:hover{
    background:rgba(255,255,255,.12);
    border-color:#FFFFFF;
  }
  .btn-sm{
    padding:9px 18px;
    font-size:14px;
  }
  .btn-block{ width:100%; }

  .link-underline{
    color:var(--primary);
    font-weight:600;
    text-decoration:underline;
    text-underline-offset:4px;
    transition:color .2s ease-out;
  }
  .link-underline:hover{ color:var(--aux); }

  /* ---------- 页头 ---------- */
  .page-hero{
    background:var(--sand);
    padding-top:44px;
    padding-bottom:52px;
    border-bottom:1px solid var(--line);
  }
  .breadcrumb{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:8px;
    font-size:13px;
    color:var(--muted);
    margin-bottom:20px;
  }
  .breadcrumb a{ color:var(--primary); font-weight:600; }
  .breadcrumb a:hover{ color:var(--aux); }
  .breadcrumb .sep{ color:#A9B3AB; }
  .breadcrumb .current{ color:var(--muted); }

  .page-hero-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:32px;
    align-items:center;
  }
  @media (min-width:1024px){
    .page-hero-grid{ grid-template-columns:1.25fr .75fr; gap:48px; }
  }

  .eyebrow{
    display:inline-flex;
    align-items:center;
    gap:8px;
    padding:6px 14px;
    border-radius:999px;
    background:#FFFFFF;
    border:1px solid var(--line);
    font-size:13px;
    font-weight:700;
    letter-spacing:.04em;
    color:var(--primary);
    margin-bottom:18px;
  }
  .eyebrow::before{
    content:"";
    width:8px;
    height:8px;
    border-radius:50%;
    background:var(--accent);
    box-shadow:0 0 0 3px rgba(200,241,74,.35);
  }

  h1{
    font-size:26px;
    font-weight:800;
    line-height:1.24;
    letter-spacing:-.01em;
    color:var(--primary);
  }
  @media (min-width:768px){ h1{ font-size:32px; } }
  @media (min-width:1024px){ h1{ font-size:40px; line-height:1.22; } }

  .page-lead{
    margin-top:18px;
    font-size:17px;
    line-height:1.85;
    color:var(--muted);
    max-width:660px;
  }

  .chip-row{
    display:flex;
    flex-wrap:wrap;
    gap:10px;
    margin-top:24px;
  }
  .chip{
    display:inline-flex;
    align-items:center;
    gap:6px;
    padding:6px 14px;
    border-radius:999px;
    font-size:13px;
    line-height:1.5;
    background:rgba(11,77,60,.06);
    border:1px solid var(--line);
    color:var(--primary);
    font-weight:600;
  }
  .chip-accent{
    background:var(--accent);
    border-color:var(--accent);
    color:#0B2A20;
    font-weight:700;
  }

  .hero-figure{
    width:100%;
    aspect-ratio:4 / 3;
    object-fit:cover;
    border-radius:var(--radius-card);
    border:1px solid var(--line);
    box-shadow:var(--shadow-card);
    background:var(--sand);
  }

  /* ---------- 通用板块 ---------- */
  .section{ padding-top:44px; padding-bottom:44px; }
  @media (min-width:768px){
    .section{ padding-top:56px; padding-bottom:56px; }
  }
  .section-sand{ background:var(--sand); }
  .section-dark{
    background:linear-gradient(100deg, #0B2A20 0%, #0B4D3C 100%);
    color:#F2F7F2;
  }

  h2{
    font-size:24px;
    font-weight:700;
    line-height:1.35;
    color:var(--primary);
    position:relative;
    padding-left:16px;
  }
  h2::before{
    content:"";
    position:absolute;
    left:0;
    top:6px;
    bottom:6px;
    width:4px;
    border-radius:4px;
    background:var(--accent);
  }
  @media (min-width:768px){
    h2{ font-size:28px; }
  }
  .section-dark h2{ color:#F2F7F2; }

  h3{
    font-size:20px;
    font-weight:600;
    line-height:1.5;
    color:var(--primary);
  }

  .section-intro{
    margin-top:14px;
    font-size:16px;
    line-height:1.8;
    color:var(--muted);
    max-width:760px;
  }

  /* ---------- 指引布局：锚点目录 + 步骤 ---------- */
  .guide-layout{
    display:grid;
    grid-template-columns:1fr;
    gap:32px;
    margin-top:32px;
  }
  @media (min-width:1024px){
    .guide-layout{ grid-template-columns:240px 1fr; gap:56px; }
  }

  .toc{
    align-self:start;
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    background:#FFFFFF;
    box-shadow:var(--shadow-card);
    padding:18px 18px 20px;
  }
  @media (min-width:1024px){
    .toc{ position:sticky; top:96px; }
  }
  .toc-title{
    font-size:13px;
    font-weight:700;
    letter-spacing:.08em;
    color:var(--muted);
    margin-bottom:12px;
  }
  .toc-link{
    display:flex;
    gap:10px;
    align-items:flex-start;
    padding:9px 10px;
    border-radius:10px;
    font-size:14px;
    line-height:1.6;
    color:var(--muted);
    transition:all .2s ease-out;
  }
  .toc-link:hover{
    background:var(--sand);
    color:var(--primary);
  }
  .toc-link.is-active{
    background:rgba(11,77,60,.07);
    color:var(--primary);
    font-weight:700;
    box-shadow:inset 3px 0 0 0 var(--accent);
  }
  .toc-link .toc-num{
    font-size:12px;
    font-weight:800;
    color:var(--primary);
    font-variant-numeric:tabular-nums;
    padding-top:2px;
  }

  .steps{ display:block; }
  .step-card{
    --dot-center:60px;
    position:relative;
    display:grid;
    grid-template-columns:64px 1fr;
    gap:22px;
    background:#FFFFFF;
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    box-shadow:var(--shadow-card);
    padding:26px 28px;
    transition:all .2s ease-out;
  }
  .step-card + .step-card{ margin-top:30px; }
  .step-card:hover{ box-shadow:var(--shadow-hover); }
  .step-card:not(:last-child)::after{
    content:"";
    position:absolute;
    left:var(--dot-center);
    bottom:-30px;
    height:30px;
    border-left:2px dashed rgba(11,77,60,.28);
  }
  .step-num{
    width:64px;
    height:64px;
    border-radius:14px;
    background:var(--accent);
    color:#0B2A20;
    display:grid;
    place-items:center;
    font-size:20px;
    font-weight:800;
    font-variant-numeric:tabular-nums;
    letter-spacing:.02em;
  }
  .step-body h3{ margin-bottom:10px; }
  .step-body p{
    font-size:16px;
    line-height:1.85;
    color:var(--muted);
  }
  .step-body p + p{ margin-top:10px; }

  .check-list{ margin-top:16px; }
  .check-list li{
    position:relative;
    padding-left:20px;
    font-size:15px;
    line-height:1.8;
    color:var(--ink);
    margin-top:8px;
  }
  .check-list li::before{
    content:"";
    position:absolute;
    left:2px;
    top:11px;
    width:7px;
    height:7px;
    border-radius:50%;
    background:var(--primary);
  }

  .step-note{
    margin-top:16px;
    padding:12px 16px;
    border-radius:12px;
    background:var(--sand);
    border-left:3px solid var(--primary);
    font-size:15px;
    line-height:1.75;
    color:var(--muted);
  }

  /* ---------- 准备清单（非对称两栏） ---------- */
  .prep-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:30px;
    margin-top:32px;
    align-items:center;
  }
  @media (min-width:900px){
    .prep-grid{ grid-template-columns:.85fr 1.15fr; gap:48px; }
  }
  .prep-figure{
    width:100%;
    aspect-ratio:16 / 11;
    object-fit:cover;
    border-radius:var(--radius-card);
    border:1px solid var(--line);
    box-shadow:var(--shadow-card);
    background:var(--sand);
  }
  .prep-list{
    display:grid;
    gap:14px;
  }
  .prep-item{
    display:grid;
    grid-template-columns:auto 1fr;
    gap:16px;
    background:#FFFFFF;
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    padding:18px 20px;
    box-shadow:var(--shadow-card);
    transition:all .2s ease-out;
  }
  .prep-item:hover{
    transform:translateY(-2px);
    box-shadow:var(--shadow-hover);
  }
  .prep-index{
    font-size:15px;
    font-weight:800;
    color:var(--primary);
    font-variant-numeric:tabular-nums;
    padding-top:2px;
  }
  .prep-item h4{
    font-size:17px;
    font-weight:700;
    color:var(--ink);
    margin-bottom:4px;
  }
  .prep-item p{
    font-size:15px;
    line-height:1.75;
    color:var(--muted);
  }

  /* ---------- FAQ 手风琴 ---------- */
  .faq-list{
    margin-top:28px;
    display:grid;
    gap:12px;
    max-width:900px;
  }
  .faq-item{
    background:#FFFFFF;
    border:1px solid var(--line);
    border-radius:12px;
    box-shadow:var(--shadow-card);
    transition:all .2s ease-out;
    overflow:hidden;
  }
  .faq-item:hover{ box-shadow:var(--shadow-hover); }
  .faq-item.is-open{
    box-shadow:inset 3px 0 0 0 var(--accent), var(--shadow-hover);
  }
  .faq-q{
    width:100%;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    text-align:left;
    background:transparent;
    border:0;
    padding:18px 20px;
    font-size:17px;
    font-weight:600;
    line-height:1.6;
    color:var(--ink);
    cursor:pointer;
  }
  .faq-icon{
    position:relative;
    flex:0 0 auto;
    width:22px;
    height:22px;
    border-radius:50%;
    border:1.5px solid var(--primary);
    transition:all .2s ease-out;
  }
  .faq-icon::before,
  .faq-icon::after{
    content:"";
    position:absolute;
    left:50%;
    top:50%;
    background:var(--primary);
    transform:translate(-50%,-50%);
    transition:all .2s ease-out;
  }
  .faq-icon::before{ width:10px; height:1.8px; }
  .faq-icon::after{ width:1.8px; height:10px; }
  .faq-item.is-open .faq-icon{ background:var(--accent); border-color:var(--accent); }
  .faq-item.is-open .faq-icon::before,
  .faq-item.is-open .faq-icon::after{ background:#0B2A20; }
  .faq-item.is-open .faq-icon::after{ opacity:0; }
  .faq-a{
    max-height:0;
    overflow:hidden;
    transition:max-height .28s ease-out;
  }
  .faq-a p{
    padding:0 20px 20px;
    font-size:15px;
    line-height:1.8;
    color:var(--muted);
  }

  /* ---------- 相关链接 ---------- */
  .link-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:12px;
    margin-top:28px;
  }
  @media (min-width:640px){
    .link-grid{ grid-template-columns:1fr 1fr; gap:16px; }
  }
  .link-card{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:14px;
    background:#FFFFFF;
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    padding:16px 20px;
    box-shadow:var(--shadow-card);
    transition:all .2s ease-out;
  }
  .link-card:hover{
    transform:translateY(-2px);
    box-shadow:var(--shadow-hover);
    border-color:rgba(11,77,60,.28);
  }
  .link-card .link-text{
    font-size:16px;
    font-weight:600;
    color:var(--primary);
  }
  .link-card .link-desc{
    display:block;
    font-size:13px;
    font-weight:400;
    color:var(--muted);
    margin-top:2px;
  }
  .link-arrow{
    flex:0 0 auto;
    width:26px;
    height:26px;
    border-radius:50%;
    border:1.5px solid var(--line);
    display:grid;
    place-items:center;
    color:var(--primary);
    font-size:13px;
    transition:all .2s ease-out;
  }
  .link-card:hover .link-arrow{
    background:var(--accent);
    border-color:var(--accent);
    color:#0B2A20;
  }

  /* ---------- CTA ---------- */
  .cta-band{
    position:relative;
    background:linear-gradient(100deg, #0B2A20 0%, #0B4D3C 100%);
    color:#F2F7F2;
    padding-top:52px;
    padding-bottom:52px;
    overflow:hidden;
  }
  .cta-inner{
    position:relative;
    z-index:2;
    display:grid;
    grid-template-columns:1fr;
    gap:26px;
    align-items:center;
  }
  @media (min-width:900px){
    .cta-inner{ grid-template-columns:1.4fr auto; gap:40px; }
  }
  .cta-band h2{ color:#F2F7F2; }
  .cta-desc{
    margin-top:14px;
    font-size:16px;
    line-height:1.8;
    color:rgba(242,247,242,.78);
    max-width:620px;
  }
  .cta-actions{
    display:flex;
    flex-wrap:wrap;
    gap:12px;
  }
  .cta-deco{
    position:absolute;
    right:-40px;
    top:-30px;
    width:420px;
    max-width:60%;
    opacity:.16;
    pointer-events:none;
  }
  .cta-deco path,
  .cta-deco circle{
    stroke:#C8F14A;
    fill:none;
    stroke-width:1.4;
  }

  /* ---------- 页脚 ---------- */
  .site-footer{
    background:var(--deep);
    color:rgba(255,255,255,.78);
    padding-top:48px;
    padding-bottom:24px;
    border-top:1px solid rgba(255,255,255,.14);
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:32px;
  }
  @media (min-width:640px){
    .footer-grid{ grid-template-columns:1fr 1fr; gap:32px; }
  }
  @media (min-width:1024px){
    .footer-grid{ grid-template-columns:1.5fr 1fr 1fr 1fr; gap:40px; }
  }
  .footer-note{
    margin-top:16px;
    font-size:14px;
    line-height:1.8;
    color:rgba(255,255,255,.7);
    max-width:340px;
  }
  .footer-title{
    font-size:14px;
    font-weight:700;
    color:#FFFFFF;
    margin-bottom:14px;
    letter-spacing:.04em;
  }
  .footer-link{
    display:block;
    font-size:14px;
    line-height:1.6;
    color:rgba(255,255,255,.78);
    padding:5px 0;
    transition:all .2s ease-out;
  }
  a.footer-link:hover{
    color:#FFFFFF;
    text-decoration:underline;
    text-underline-offset:4px;
    text-decoration-thickness:2px;
  }
  .footer-bottom{
    margin-top:36px;
    padding-top:18px;
    border-top:1px solid rgba(255,255,255,.14);
    display:flex;
    flex-wrap:wrap;
    gap:10px 20px;
    align-items:center;
    justify-content:space-between;
    font-size:13px;
    color:rgba(255,255,255,.55);
  }
  .footer-bottom a{ color:rgba(255,255,255,.7); }
  .footer-bottom a:hover{ color:#FFFFFF; }
  .site-footer .brand-name,
  .site-footer .brand-sub{ color:#F2F7F2; }
  .site-footer .brand-sub{ color:rgba(255,255,255,.7); }

  /* ---------- 响应式收敛 ---------- */
  @media (max-width:900px){
    .nav-tabs{ display:none; }
    .nav-toggle{ display:inline-flex; }
    .header-actions .btn{ display:none; }
  }
  @media (max-width:640px){
    body{ font-size:16px; }
    .header-inner{ height:60px; gap:12px; }
    .brand-mark{ width:30px; height:30px; }
    .brand-name{ font-size:16px; }
    .page-hero{ padding-top:30px; padding-bottom:38px; }
    .page-lead{ font-size:16px; }
    .step-card{
      --dot-center:42px;
      grid-template-columns:44px 1fr;
      gap:16px;
      padding:20px;
    }
    .step-card:not(:last-child)::after{ display:none; }
    .step-card + .step-card{ margin-top:18px; }
    .step-num{ width:44px; height:44px; border-radius:12px; font-size:16px; }
    .faq-q{ font-size:16px; padding:16px; }
    .faq-a p{ padding:0 16px 18px; }
    .cta-deco{ display:none; }
  }

/* roulang page: category2 */
:root{
    --primary:#0B4D3C;
    --primary-600:#0E5C48;
    --deep:#0B2A20;
    --accent:#C8F14A;
    --accent-hover:#D6F76A;
    --aux:#FF7A2F;
    --sand:#F5F6F1;
    --surface:#FFFFFF;
    --ink:#1A2620;
    --muted:#5C6B62;
    --border:#E2E4DB;
    --line-dark:rgba(255,255,255,.14);
    --radius-card:16px;
    --radius-btn:12px;
    --shadow-card:0 1px 2px rgba(11,77,60,.06), 0 10px 24px -14px rgba(11,77,60,.18);
    --shadow-card-hover:0 2px 4px rgba(11,77,60,.08), 0 18px 34px -16px rgba(11,77,60,.26);
    --shadow-band:0 1px 2px rgba(11,42,32,.10), 0 24px 48px -28px rgba(11,42,32,.45);
    --maxw:1200px;
    --font: "PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  }

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

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

  body{
    margin:0;
    font-family:var(--font);
    font-size:17px;
    line-height:1.85;
    color:var(--ink);
    background:var(--sand);
    -webkit-font-smoothing:antialiased;
    text-rendering:optimizeLegibility;
  }

  img{ max-width:100%; display:block; }
  a{ color:inherit; text-decoration:none; }
  a:hover{ color:inherit; }
  button{ font-family:inherit; cursor:pointer; }
  ul,ol{ margin:0; padding:0; list-style:none; }

  h1,h2,h3,h4{ margin:0; color:var(--primary); letter-spacing:-0.01em; }
  p{ margin:0; }

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

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

  /* ---------- 容器 ---------- */
  .container{
    width:100%;
    max-width:var(--maxw);
    margin:0 auto;
    padding:0 20px;
  }
  @media (min-width:768px){
    .container{ padding:0 24px; }
  }

  /* ---------- 头部导航 ---------- */
  .site-header{
    position:sticky;
    top:0;
    z-index:60;
    background:linear-gradient(100deg, var(--primary) 0%, var(--deep) 100%);
    border-bottom:1px solid var(--line-dark);
  }
  .header-inner{
    display:flex;
    align-items:center;
    gap:14px;
    height:60px;
  }
  @media (min-width:768px){
    .header-inner{ height:72px; gap:22px; }
  }

  .brand{
    display:inline-flex;
    align-items:center;
    gap:10px;
    color:#F2F7F2;
    flex:none;
  }
  .brand-mark{
    width:32px;
    height:32px;
    flex:none;
    color:var(--accent);
  }
  @media (min-width:768px){
    .brand-mark{ width:36px; height:36px; }
  }
  .brand-text{
    display:flex;
    flex-direction:column;
    line-height:1.15;
  }
  .brand-name{
    font-size:15px;
    font-weight:800;
    letter-spacing:.02em;
  }
  .brand-sub{
    font-size:11px;
    letter-spacing:.08em;
    opacity:.78;
    margin-top:2px;
  }
  @media (min-width:768px){
    .brand-name{ font-size:16px; }
  }

  .nav-tabs{
    display:none;
    align-items:center;
    gap:8px;
    flex:1 1 auto;
    min-width:0;
    overflow-x:auto;
    scroll-snap-type:x proximity;
    -webkit-overflow-scrolling:touch;
    padding:4px 2px;
  }
  .no-scrollbar::-webkit-scrollbar{ display:none; }
  .no-scrollbar{ -ms-overflow-style:none; scrollbar-width:none; }
  @media (min-width:768px){
    .nav-tabs{ display:flex; }
  }

  .nav-chip{
    flex:none;
    scroll-snap-align:start;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    position:relative;
    padding:8px 16px;
    border-radius:999px;
    font-size:14px;
    line-height:1.4;
    white-space:nowrap;
    color:rgba(255,255,255,.78);
    background:rgba(255,255,255,.08);
    border:1px solid transparent;
    transition:all .2s ease-out;
  }
  .nav-chip:hover{
    color:#FFFFFF;
    background:rgba(255,255,255,.16);
  }
  .nav-chip.is-active{
    background:var(--accent);
    color:var(--deep);
    font-weight:700;
  }
  .nav-chip.is-active::after{
    content:"";
    position:absolute;
    left:50%;
    bottom:3px;
    transform:translateX(-50%);
    width:18px;
    height:2px;
    border-radius:2px;
    background:var(--deep);
    opacity:.75;
  }

  .header-actions{
    display:none;
    align-items:center;
    gap:14px;
    margin-left:auto;
    flex:none;
  }
  @media (min-width:1024px){
    .header-actions{ display:flex; }
  }
  .header-link{
    font-size:14px;
    color:rgba(255,255,255,.78);
    transition:all .2s ease-out;
  }
  .header-link:hover{ color:#FFFFFF; text-decoration:underline; text-underline-offset:4px; }

  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    padding:12px 24px;
    border-radius:var(--radius-btn);
    font-size:15px;
    font-weight:700;
    line-height:1.3;
    border:1.5px solid transparent;
    transition:all .2s ease-out;
    white-space:nowrap;
  }
  .btn-primary{
    background:var(--accent);
    color:var(--deep);
    box-shadow:0 6px 16px -10px rgba(200,241,74,.9);
  }
  .btn-primary:hover{
    background:var(--accent-hover);
    transform:translateY(-1px);
    box-shadow:0 12px 24px -12px rgba(200,241,74,.95);
    color:var(--deep);
  }
  .btn-primary:active{
    transform:translateY(0);
    box-shadow:0 4px 10px -8px rgba(200,241,74,.8);
  }
  .btn-outline{
    background:transparent;
    border:1.5px solid var(--primary);
    color:var(--primary);
  }
  .btn-outline:hover{
    background:var(--primary);
    color:#FFFFFF;
    transform:translateY(-1px);
  }
  .btn-outline:active{ transform:translateY(0); }
  .btn-on-dark{
    background:transparent;
    border:1.5px solid rgba(255,255,255,.6);
    color:#F2F7F2;
  }
  .btn-on-dark:hover{
    background:rgba(255,255,255,.12);
    border-color:#FFFFFF;
    color:#FFFFFF;
  }
  .btn-sm{ padding:9px 18px; font-size:14px; }

  .link-arrow{
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-size:14px;
    font-weight:600;
    color:var(--primary);
    border-bottom:1.5px solid rgba(11,77,60,.28);
    text-underline-offset:4px;
    transition:all .2s ease-out;
  }
  .link-arrow:hover{
    color:var(--aux);
    border-color:var(--aux);
  }

  /* 移动端菜单按钮与抽屉 */
  .nav-toggle{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:40px;
    height:40px;
    margin-left:auto;
    border-radius:10px;
    background:rgba(255,255,255,.10);
    border:1px solid var(--line-dark);
    color:#F2F7F2;
    flex:none;
  }
  .nav-toggle:hover{ background:rgba(255,255,255,.18); }
  @media (min-width:768px){
    .nav-toggle{ display:none; }
  }
  .nav-toggle span{
    display:block;
    width:18px;
    height:2px;
    border-radius:2px;
    background:currentColor;
    position:relative;
  }
  .nav-toggle span::before,
  .nav-toggle span::after{
    content:"";
    position:absolute;
    left:0;
    width:18px;
    height:2px;
    border-radius:2px;
    background:currentColor;
  }
  .nav-toggle span::before{ top:-6px; }
  .nav-toggle span::after{ top:6px; }

  .nav-drawer{
    display:none;
    background:var(--deep);
    border-top:1px solid var(--line-dark);
    padding:16px 20px 22px;
  }
  .nav-drawer.is-open{
    display:block;
    animation:drawerIn .18s ease-out both;
  }
  @keyframes drawerIn{
    from{ opacity:0; transform:translateY(-8px); }
    to{ opacity:1; transform:translateY(0); }
  }
  @media (min-width:768px){
    .nav-drawer{ display:none !important; }
  }
  .drawer-grid{
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:10px;
  }
  .drawer-chip{
    display:flex;
    align-items:center;
    justify-content:center;
    padding:11px 12px;
    border-radius:12px;
    font-size:14px;
    text-align:center;
    color:rgba(255,255,255,.82);
    background:rgba(255,255,255,.08);
    border:1px solid var(--line-dark);
    transition:all .2s ease-out;
  }
  .drawer-chip:hover{ background:rgba(255,255,255,.16); color:#FFFFFF; }
  .drawer-chip.is-active{
    background:var(--accent);
    color:var(--deep);
    font-weight:700;
    border-color:transparent;
  }
  .drawer-cta{
    margin-top:14px;
    display:flex;
    justify-content:center;
  }
  .drawer-cta .btn{ width:100%; }

  /* ---------- 页头（分类页紧凑页头） ---------- */
  .page-head{
    background:var(--sand);
    padding:28px 0 26px;
    border-bottom:1px solid var(--border);
  }
  @media (min-width:768px){
    .page-head{ padding:38px 0 34px; }
  }
  .breadcrumb{
    display:flex;
    align-items:center;
    gap:8px;
    font-size:13px;
    color:var(--muted);
    margin-bottom:14px;
    flex-wrap:wrap;
  }
  .breadcrumb a{
    color:var(--primary);
    font-weight:600;
    transition:color .2s ease-out;
  }
  .breadcrumb a:hover{ color:var(--aux); }
  .breadcrumb .sep{ color:rgba(92,107,98,.6); }
  .breadcrumb .current{ color:var(--muted); }

  .page-head-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:16px;
    align-items:end;
  }
  @media (min-width:1024px){
    .page-head-grid{ grid-template-columns:minmax(0,1fr) auto; gap:32px; }
  }
  .page-head h1{
    font-size:26px;
    font-weight:800;
    line-height:1.22;
    letter-spacing:-0.01em;
    margin-bottom:10px;
  }
  @media (min-width:768px){
    .page-head h1{ font-size:32px; }
  }
  @media (min-width:1024px){
    .page-head h1{ font-size:40px; }
  }
  .page-head-desc{
    font-size:15px;
    line-height:1.75;
    color:var(--muted);
    max-width:640px;
  }
  .head-chips{
    display:flex;
    flex-wrap:wrap;
    gap:8px;
  }
  .chip-outline{
    display:inline-flex;
    align-items:center;
    padding:6px 14px;
    border-radius:999px;
    border:1px solid rgba(11,77,60,.35);
    background:transparent;
    color:var(--primary);
    font-size:13px;
    font-weight:600;
    line-height:1.5;
  }
  .chip-solid{
    display:inline-flex;
    align-items:center;
    padding:6px 14px;
    border-radius:999px;
    background:var(--accent);
    color:var(--deep);
    font-size:13px;
    font-weight:700;
    line-height:1.5;
  }

  /* ---------- 板块 ---------- */
  .section{
    padding:40px 0;
  }
  @media (min-width:768px){
    .section{ padding:56px 0; }
  }
  .section-white{ background:var(--surface); }
  .section-alt{ background:var(--sand); }
  .section-dark{
    background:linear-gradient(120deg, var(--deep) 0%, var(--primary) 100%);
    color:#F2F7F2;
  }
  .section-dark h2,
  .section-dark h3{ color:#F2F7F2; }

  .h2{
    font-size:23px;
    font-weight:700;
    line-height:1.3;
    color:var(--primary);
    margin-bottom:14px;
  }
  @media (min-width:768px){
    .h2{ font-size:28px; }
  }
  .h2-strip{
    padding-left:12px;
    border-left:4px solid var(--accent);
  }
  .section-lead{
    font-size:16px;
    color:var(--muted);
    max-width:760px;
    margin-bottom:26px;
    line-height:1.8;
  }
  .h3{
    font-size:19px;
    font-weight:600;
    color:var(--primary);
    margin-bottom:10px;
  }

  /* ---------- 两列布局 ---------- */
  .two-col{
    display:grid;
    grid-template-columns:1fr;
    gap:30px;
  }
  @media (min-width:1024px){
    .two-col{
      grid-template-columns:62fr 38fr;
      gap:44px;
      align-items:start;
    }
  }
  .article-block p{
    font-size:17px;
    line-height:1.85;
    color:var(--ink);
    margin-bottom:1.05em;
  }
  .article-block p:last-child{ margin-bottom:0; }
  .article-block .h2,
  .article-block .h3{ margin-top:1.6em; }
  .article-block .h2:first-child,
  .article-block .h3:first-child{ margin-top:0; }
  .article-block strong{ color:var(--primary); }

  .figure-inline{
    margin:28px 0 0;
  }
  .figure-inline img{
    width:100%;
    aspect-ratio:16/9;
    object-fit:cover;
    border-radius:var(--radius-card);
    border:1px solid var(--border);
    background:var(--sand);
  }
  .figure-inline figcaption{
    margin-top:10px;
    font-size:13px;
    color:var(--muted);
  }

  /* 风险提示卡 */
  .risk-card{
    border:1.5px solid var(--aux);
    background:rgba(255,122,47,.06);
    border-radius:var(--radius-card);
    padding:22px 20px;
  }
  @media (min-width:1024px){
    .risk-card{ position:sticky; top:96px; }
  }
  .risk-title{
    display:flex;
    align-items:center;
    gap:8px;
    font-size:15px;
    font-weight:800;
    color:#B44A12;
    margin-bottom:16px;
    letter-spacing:.02em;
  }
  .risk-title::before{
    content:"";
    width:8px;
    height:8px;
    border-radius:50%;
    background:var(--aux);
    flex:none;
  }
  .risk-list li{
    position:relative;
    padding-left:18px;
    font-size:15px;
    line-height:1.8;
    color:#3B2A20;
    margin-bottom:14px;
  }
  .risk-list li:last-child{ margin-bottom:0; }
  .risk-list li::before{
    content:"";
    position:absolute;
    left:0;
    top:11px;
    width:6px;
    height:6px;
    border-radius:50%;
    background:var(--aux);
  }

  /* 全宽提示条 */
  .alert-bar{
    display:flex;
    align-items:flex-start;
    gap:14px;
    background:var(--surface);
    border:1px solid var(--border);
    border-left:4px solid var(--aux);
    border-radius:12px;
    padding:18px 20px;
    box-shadow:var(--shadow-card);
  }
  .alert-bar .alert-icon{
    flex:none;
    width:22px;
    height:22px;
    color:var(--aux);
    margin-top:2px;
  }
  .alert-bar p{
    font-size:15px;
    line-height:1.8;
    color:var(--ink);
  }
  .alert-bar strong{ color:var(--primary); }

  /* ---------- 自查清单 ---------- */
  .check-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:14px;
  }
  @media (min-width:640px){
    .check-grid{ grid-template-columns:repeat(2,minmax(0,1fr)); gap:16px; }
  }
  @media (min-width:1024px){
    .check-grid{ gap:18px; }
  }
  .check-item{
    display:flex;
    align-items:flex-start;
    gap:14px;
    background:var(--surface);
    border:1px solid var(--border);
    border-radius:var(--radius-card);
    padding:18px 18px;
    box-shadow:var(--shadow-card);
    transition:all .2s ease-out;
  }
  .check-item:hover{
    transform:translateY(-2px);
    box-shadow:var(--shadow-card-hover);
    border-color:rgba(11,77,60,.28);
  }
  .check-num{
    flex:none;
    width:34px;
    height:34px;
    border-radius:10px;
    background:var(--accent);
    color:var(--deep);
    font-weight:800;
    font-size:15px;
    display:flex;
    align-items:center;
    justify-content:center;
    font-variant-numeric:tabular-nums;
  }
  .check-body h3{
    font-size:16px;
    font-weight:700;
    color:var(--primary);
    margin-bottom:6px;
    line-height:1.45;
  }
  .check-body p{
    font-size:15px;
    line-height:1.75;
    color:var(--muted);
  }

  /* ---------- 行列表 ---------- */
  .row-list{
    border-top:1px solid var(--border);
  }
  .row-item{
    display:grid;
    grid-template-columns:1fr;
    gap:6px;
    padding:18px 0;
    border-bottom:1px solid var(--border);
    transition:background .2s ease-out;
  }
  @media (min-width:768px){
    .row-item{
      grid-template-columns:280px minmax(0,1fr);
      gap:32px;
      align-items:baseline;
      padding:20px 0;
    }
  }
  .row-title{
    font-size:17px;
    font-weight:700;
    color:var(--primary);
    line-height:1.5;
  }
  .row-desc{
    font-size:15px;
    line-height:1.8;
    color:var(--muted);
  }
  .row-desc strong{ color:var(--primary); font-weight:600; }

  /* ---------- FAQ ---------- */
  .faq{
    display:flex;
    flex-direction:column;
    gap:12px;
  }
  .faq-item{
    background:var(--surface);
    border:1px solid var(--border);
    border-radius:12px;
    overflow:hidden;
    transition:all .2s ease-out;
  }
  .faq-item:hover{ border-color:rgba(11,77,60,.28); }
  .faq-item.is-open{
    border-color:rgba(11,77,60,.35);
    box-shadow:var(--shadow-card);
  }
  .faq-q{
    width:100%;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    padding:18px 20px;
    background:transparent;
    border:0;
    text-align:left;
    font-size:17px;
    font-weight:600;
    color:var(--primary);
    line-height:1.6;
    position:relative;
  }
  .faq-q::before{
    content:"";
    position:absolute;
    left:0;
    top:14px;
    bottom:14px;
    width:3px;
    border-radius:0 3px 3px 0;
    background:var(--accent);
    opacity:0;
    transition:opacity .2s ease-out;
  }
  .faq-item.is-open .faq-q::before{ opacity:1; }
  .faq-icon{
    flex:none;
    width:20px;
    height:20px;
    position:relative;
    color:var(--primary);
  }
  .faq-icon::before,
  .faq-icon::after{
    content:"";
    position:absolute;
    background:currentColor;
    border-radius:2px;
    transition:transform .2s ease-out;
  }
  .faq-icon::before{ left:0; top:9px; width:20px; height:2px; }
  .faq-icon::after{ left:9px; top:0; width:2px; height:20px; }
  .faq-item.is-open .faq-icon::after{ transform:scaleY(0); }
  .faq-a{
    max-height:0;
    overflow:hidden;
    transition:max-height .28s ease-out;
  }
  .faq-a-inner{
    padding:0 20px 20px 20px;
    font-size:15px;
    line-height:1.85;
    color:var(--muted);
  }

  /* ---------- 相关链接 ---------- */
  .link-cols{
    display:grid;
    grid-template-columns:1fr;
    gap:12px;
  }
  @media (min-width:640px){
    .link-cols{ grid-template-columns:repeat(2,minmax(0,1fr)); gap:14px 32px; }
  }
  .link-item{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:14px;
    padding:15px 18px;
    background:var(--surface);
    border:1px solid var(--border);
    border-radius:12px;
    font-size:15px;
    font-weight:600;
    color:var(--primary);
    transition:all .2s ease-out;
  }
  .link-item:hover{
    transform:translateY(-2px);
    border-color:rgba(11,77,60,.3);
    box-shadow:var(--shadow-card);
    color:var(--primary);
  }
  .link-item svg{
    flex:none;
    width:16px;
    height:16px;
    color:var(--accent);
    transition:transform .2s ease-out;
  }
  .link-item:hover svg{ transform:translateX(3px); color:var(--aux); }

  /* ---------- CTA 带 ---------- */
  .cta-band{
    background:linear-gradient(120deg, var(--deep) 0%, var(--primary) 100%);
    color:#F2F7F2;
    padding:48px 0;
    position:relative;
    overflow:hidden;
  }
  @media (min-width:768px){
    .cta-band{ padding:64px 0; }
  }
  .cta-inner{
    display:grid;
    grid-template-columns:1fr;
    gap:24px;
    align-items:center;
    position:relative;
    z-index:2;
  }
  @media (min-width:1024px){
    .cta-inner{ grid-template-columns:minmax(0,1fr) auto; gap:40px; }
  }
  .cta-band h2{
    color:#F2F7F2;
    font-size:24px;
    font-weight:800;
    line-height:1.3;
    margin-bottom:12px;
  }
  @media (min-width:768px){
    .cta-band h2{ font-size:30px; }
  }
  .cta-band p{
    font-size:16px;
    line-height:1.8;
    color:rgba(242,247,242,.82);
    max-width:620px;
  }
  .cta-actions{
    display:flex;
    flex-wrap:wrap;
    gap:12px;
  }
  .cta-deco{
    position:absolute;
    right:-40px;
    bottom:-60px;
    width:340px;
    height:200px;
    opacity:.22;
    pointer-events:none;
  }

  /* ---------- 页脚 ---------- */
  .site-footer{
    background:var(--deep);
    color:#F2F7F2;
    padding:48px 0 0;
    border-top:1px solid var(--line-dark);
  }
  @media (min-width:768px){
    .site-footer{ padding:60px 0 0; }
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:32px;
    padding-bottom:36px;
  }
  @media (min-width:640px){
    .footer-grid{ grid-template-columns:repeat(2,minmax(0,1fr)); }
  }
  @media (min-width:1024px){
    .footer-grid{ grid-template-columns:1.5fr 1fr 1fr 1fr; gap:40px; }
  }
  .site-footer .brand{ margin-bottom:14px; }
  .footer-note{
    font-size:14px;
    line-height:1.8;
    color:rgba(242,247,242,.68);
    max-width:330px;
  }
  .footer-title{
    font-size:14px;
    font-weight:700;
    color:#F2F7F2;
    margin-bottom:14px;
    letter-spacing:.02em;
  }
  .footer-link{
    display:block;
    font-size:14px;
    line-height:1.6;
    color:rgba(242,247,242,.78);
    margin-bottom:11px;
    transition:all .2s ease-out;
    width:fit-content;
  }
  .footer-link:hover{
    color:#FFFFFF;
    text-decoration:underline;
    text-underline-offset:4px;
    text-decoration-thickness:2px;
  }
  .footer-bottom{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    justify-content:space-between;
    gap:10px;
    padding:18px 0 26px;
    border-top:1px solid var(--line-dark);
    font-size:13px;
    color:rgba(242,247,242,.55);
  }
  .footer-bottom a{
    color:rgba(242,247,242,.7);
    transition:color .2s ease-out;
  }
  .footer-bottom a:hover{ color:#FFFFFF; text-decoration:underline; text-underline-offset:4px; }

  @media (max-width:520px){
    .page-head h1{ font-size:24px; }
    .h2{ font-size:21px; }
    .cta-band h2{ font-size:22px; }
    .btn{ width:100%; }
    .header-actions .btn{ width:auto; }
    .cta-actions{ width:100%; }
    .row-title{ font-size:16px; }
  }

/* roulang page: category3 */
:root{
  --primary:#0B4D3C;
  --deep:#0B2A20;
  --accent:#C8F14A;
  --aux:#FF7A2F;
  --sand:#F5F6F1;
  --card:#FFFFFF;
  --ink:#1A2620;
  --muted:#5C6B62;
  --line:#E2E4DB;
  --radius-card:16px;
  --radius-btn:12px;
  --shadow-card:0 1px 2px rgba(11,77,60,.06),0 10px 24px -14px rgba(11,77,60,.18);
  --shadow-card-hover:0 2px 6px rgba(11,77,60,.08),0 18px 34px -16px rgba(11,77,60,.26);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--ink);
  background:var(--sand);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
a:hover{color:var(--primary)}
button,input{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:2px;
  border-radius:8px;
}
h1,h2,h3,h4{margin:0;color:var(--primary);letter-spacing:-0.01em}
h1{font-size:40px;font-weight:800;line-height:1.22}
h2{font-size:28px;font-weight:700;line-height:1.3}
h3{font-size:20px;font-weight:600;line-height:1.45}
p{margin:0}
.num{font-variant-numeric:tabular-nums}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
@media (min-width:768px){.container{padding-left:24px;padding-right:24px}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:linear-gradient(100deg,var(--primary) 0%,var(--deep) 100%);
  border-bottom:1px solid rgba(255,255,255,.10);
}
.nav-inner{
  display:flex;align-items:center;gap:18px;
  height:72px;
}
.brand{display:flex;align-items:center;gap:10px;color:#F2F7F2;flex:0 0 auto}
.brand:hover{color:#fff}
.brand-mark{width:38px;height:38px;color:var(--accent);flex:0 0 auto}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:17px;font-weight:800;letter-spacing:.01em}
.brand-sub{font-size:11px;letter-spacing:.08em;color:rgba(242,247,242,.72)}
.nav-tabs{
  display:flex;align-items:center;gap:8px;
  overflow-x:auto;scroll-snap-type:x proximity;
  padding:6px 2px 10px;
  flex:1 1 auto;
}
.no-scrollbar{-ms-overflow-style:none;scrollbar-width:none}
.no-scrollbar::-webkit-scrollbar{display:none}
.nav-chip{
  position:relative;
  flex:0 0 auto;scroll-snap-align:start;
  display:inline-flex;align-items:center;
  padding:8px 16px;border-radius:999px;
  font-size:14px;white-space:nowrap;
  background:rgba(255,255,255,.08);
  color:rgba(255,255,255,.78);
  transition:all .2s ease-out;
}
.nav-chip:hover{background:rgba(255,255,255,.16);color:#fff}
.nav-chip.is-active{
  background:var(--accent);color:var(--deep);font-weight:700;
}
.nav-chip.is-active::after{
  content:"";position:absolute;left:50%;bottom:-7px;transform:translateX(-50%);
  width:18px;height:2px;border-radius:2px;background:var(--accent);
}
.nav-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--accent);color:var(--deep);font-weight:700;font-size:14px;
  padding:10px 20px;border-radius:var(--radius-btn);
  transition:all .2s ease-out;white-space:nowrap;
}
.nav-cta:hover{background:#d3f565;color:var(--deep);transform:translateY(-1px);box-shadow:0 10px 18px -10px rgba(0,0,0,.5)}
.nav-cta:active{transform:translateY(0);box-shadow:none}
.nav-ghost{font-size:14px;color:rgba(255,255,255,.78);text-decoration:underline;text-decoration-color:transparent;text-underline-offset:4px;transition:all .2s ease-out}
.nav-ghost:hover{color:#fff;text-decoration-color:#fff}
.nav-burger{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1.5px solid rgba(255,255,255,.28);color:#F2F7F2;
  align-items:center;justify-content:center;flex:0 0 auto;
}
.nav-burger:hover{background:rgba(255,255,255,.10)}
.nav-drawer{
  display:none;position:fixed;inset:0;z-index:80;
  background:var(--deep);padding:22px 20px 40px;overflow-y:auto;
}
.nav-drawer.is-open{display:block;animation:drawerIn .18s ease-out}
@keyframes drawerIn{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1.5px solid rgba(255,255,255,.28);color:#F2F7F2;display:flex;align-items:center;justify-content:center}
.drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.drawer-chip{
  display:flex;align-items:center;padding:12px 14px;border-radius:12px;
  background:rgba(255,255,255,.08);color:rgba(255,255,255,.85);font-size:14px;
}
.drawer-chip.is-active{background:var(--accent);color:var(--deep);font-weight:700}
.drawer-cta{margin-top:20px;display:flex;justify-content:center;width:100%}
@media (max-width:767px){
  .nav-inner{height:60px;justify-content:space-between}
  .nav-tabs,.nav-actions{display:none}
  .nav-burger{display:flex}
}

/* ============ 页头 ============ */
.page-hero{background:var(--sand);border-bottom:1px solid var(--line);padding:30px 0 34px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.crumb a{color:var(--primary)}
.crumb a:hover{color:var(--aux)}
.crumb .sep{color:#A9B3AA}
.crumb .current{color:var(--muted)}
.hero-row{display:flex;flex-wrap:wrap;align-items:flex-end;gap:26px;margin-top:16px}
.hero-main{flex:1 1 460px;min-width:0}
.hero-main h1{max-width:820px}
.hero-lead{margin-top:14px;font-size:15px;line-height:1.8;color:var(--muted);max-width:660px}
.hero-side{flex:0 0 auto;display:flex;flex-wrap:wrap;gap:8px;max-width:340px}
.chip-o{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 13px;border-radius:999px;font-size:13px;line-height:1.5;
  border:1px solid var(--primary);color:var(--primary);background:transparent;
  transition:all .2s ease-out;
}
.chip-o:hover{background:rgba(11,77,60,.06)}
.chip-solid{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 13px;border-radius:999px;font-size:13px;font-weight:700;
  background:var(--accent);color:var(--deep);
}

/* ============ 通用板块 ============ */
.section{padding:56px 0}
.section-white{background:#FFFFFF}
.section-sand{background:var(--sand)}
.section-deep{background:linear-gradient(100deg,var(--deep) 0%,var(--primary) 100%);color:#F2F7F2}
.section-head{max-width:760px;margin-bottom:28px}
.section-head h2{position:relative;padding-left:16px}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:3px;background:var(--accent);
}
.section-head p{margin-top:12px;font-size:15px;color:var(--muted)}
.section-deep .section-head h2{color:#F2F7F2}
.section-deep .section-head p{color:rgba(242,247,242,.76)}

/* ============ 速览图文行 ============ */
.overview{display:grid;grid-template-columns:1fr;gap:26px;align-items:center}
@media (min-width:900px){.overview{grid-template-columns:46% 54%;gap:38px}}
.overview-media{border-radius:16px;overflow:hidden;border:1px solid var(--line);background:var(--sand)}
.overview-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.overview-list{list-style:none;margin:0;padding:0;display:grid;gap:14px}
.overview-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:14px 16px;border-radius:14px;background:#fff;
  border:1px solid var(--line);box-shadow:var(--shadow-card);
  transition:all .2s ease-out;
}
.overview-list li:hover{transform:translateY(-2px);box-shadow:var(--shadow-card-hover)}
.dot{
  flex:0 0 auto;margin-top:9px;width:8px;height:8px;border-radius:50%;
  background:var(--accent);box-shadow:0 0 0 3px rgba(200,241,74,.28);
}
.overview-list strong{display:block;font-size:15px;font-weight:700;color:var(--primary)}
.overview-list span{display:block;font-size:15px;color:var(--muted);line-height:1.75}

/* ============ 对比表 ============ */
.table-wrap{
  border-radius:16px;overflow:hidden;border:1px solid var(--line);
  background:#fff;box-shadow:var(--shadow-card);
}
table.compare{width:100%;border-collapse:collapse;font-size:15px}
table.compare thead th{
  background:var(--primary);color:#F2F7F2;font-weight:700;text-align:left;
  padding:15px 18px;font-size:15px;letter-spacing:.02em;
  border-right:1px solid rgba(255,255,255,.14);
}
table.compare thead th:last-child{border-right:0}
table.compare tbody td{
  padding:15px 18px;border-bottom:1px solid var(--line);vertical-align:top;line-height:1.75;
}
table.compare tbody tr:nth-child(even){background:#FAFBF7}
table.compare tbody tr:last-child td{border-bottom:0}
table.compare tbody td:first-child{font-weight:600;color:var(--primary);width:24%}
table.compare tbody td:nth-child(2){width:24%;color:var(--ink)}
table.compare tbody td:last-child{color:var(--muted)}
.state-ok{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:700}
.state-ok::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--accent);display:inline-block}
.state-tip{display:inline-flex;align-items:center;gap:6px;color:#B34F14;font-weight:700}
.state-tip::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--aux);display:inline-block}
.table-note{margin-top:14px;font-size:13px;line-height:1.6;color:var(--muted)}

/* ============ 提示条 ============ */
.notice{
  display:flex;gap:14px;align-items:flex-start;
  background:#FFF3EA;border:1px solid rgba(255,122,47,.35);border-left:4px solid var(--aux);
  border-radius:14px;padding:16px 18px;margin-top:26px;
}
.notice-icon{flex:0 0 auto;color:var(--aux);margin-top:2px}
.notice strong{display:block;color:#8F3E0D;font-size:15px}
.notice p{font-size:15px;color:#7A4620;line-height:1.75;margin-top:4px}

/* ============ 时间线 ============ */
.timeline{position:relative;margin-top:8px;padding-left:26px}
.timeline::before{
  content:"";position:absolute;left:6px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--accent),rgba(200,241,74,.25));
  border-radius:2px;
}
.tl-item{position:relative;padding:0 0 30px 0}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-26px;top:8px;width:14px;height:14px;border-radius:50%;
  background:var(--accent);border:3px solid #fff;box-shadow:0 0 0 1px var(--line);
}
.tl-ver{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:700;color:var(--deep);
  background:rgba(200,241,74,.55);padding:3px 12px;border-radius:999px;
}
.tl-date{font-size:13px;color:var(--muted);margin-left:10px}
.tl-item h3{margin-top:12px;font-size:19px}
.tl-item p{margin-top:8px;font-size:15px;color:var(--muted);line-height:1.8;max-width:820px}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.tl-tag{font-size:12px;padding:3px 10px;border-radius:999px;border:1px solid var(--line);color:var(--muted);background:#fff}

/* ============ 兼容清单 ============ */
.check-grid{display:grid;grid-template-columns:1fr;gap:14px;margin-top:6px}
@media (min-width:760px){.check-grid{grid-template-columns:1fr 1fr;gap:16px 30px}}
.check-item{display:flex;gap:12px;align-items:flex-start;padding:14px 0;border-bottom:1px dashed var(--line)}
.check-item:last-child{border-bottom:0}
.check-num{
  flex:0 0 auto;width:30px;height:30px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:800;color:var(--primary);background:rgba(11,77,60,.08);
}
.check-item strong{display:block;font-size:16px;color:var(--primary)}
.check-item span{display:block;font-size:15px;color:var(--muted);line-height:1.75;margin-top:2px}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{
  border:1px solid var(--line);border-radius:12px;background:#fff;overflow:hidden;
  transition:all .2s ease-out;
}
.faq-item[open]{border-color:rgba(11,77,60,.35)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:16px 18px;
  font-size:17px;font-weight:600;color:var(--primary);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";flex:0 0 auto;width:10px;height:10px;
  border-right:2px solid var(--primary);border-bottom:2px solid var(--primary);
  transform:rotate(45deg);transition:transform .2s ease-out;margin-top:-4px;
}
.faq-item[open] summary::after{transform:rotate(-135deg);margin-top:2px}
.faq-body{
  padding:0 18px 18px 18px;font-size:15px;line-height:1.85;color:var(--muted);
  border-left:3px solid transparent;
}
.faq-item[open] .faq-body{border-left:3px solid var(--accent);padding-left:15px}

/* ============ 底部相关链接 ============ */
.related{background:#fff;border-top:1px solid var(--line);padding:44px 0}
.related-grid{display:grid;grid-template-columns:1fr;gap:10px 32px}
@media (min-width:760px){.related-grid{grid-template-columns:1fr 1fr}}
.related-link{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:14px 16px;border-radius:12px;border:1px solid var(--line);background:var(--sand);
  font-size:15px;color:var(--primary);transition:all .2s ease-out;
}
.related-link:hover{border-color:var(--primary);background:#fff;transform:translateY(-2px);box-shadow:var(--shadow-card)}
.related-link .arrow{color:var(--aux);font-weight:700}

/* ============ CTA ============ */
.cta-band{position:relative;overflow:hidden;background:linear-gradient(100deg,var(--deep) 0%,var(--primary) 100%);color:#F2F7F2;padding:52px 0}
.cta-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;position:relative;z-index:2}
.cta-text{flex:1 1 460px;min-width:0}
.cta-text h2{color:#F2F7F2;font-size:28px}
.cta-text p{margin-top:10px;font-size:15px;color:rgba(242,247,242,.78);max-width:600px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:12px 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:700;transition:all .2s ease-out;
}
.btn-primary{background:var(--accent);color:var(--deep)}
.btn-primary:hover{background:#d3f565;color:var(--deep);transform:translateY(-1px);box-shadow:0 12px 22px -12px rgba(0,0,0,.55)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-outline{border:1.5px solid rgba(255,255,255,.55);color:#F2F7F2;background:transparent}
.btn-outline:hover{background:#fff;color:var(--primary);border-color:#fff}
.btn-outline-dark{border:1.5px solid var(--primary);color:var(--primary);background:transparent}
.btn-outline-dark:hover{background:var(--primary);color:#fff}
.cta-arc{
  position:absolute;right:-40px;bottom:-70px;width:320px;height:320px;
  border:2px solid rgba(200,241,74,.35);border-radius:50%;z-index:1;pointer-events:none;
}
.cta-arc::after{
  content:"";position:absolute;inset:44px;border:1px solid rgba(255,255,255,.18);border-radius:50%;
}

/* ============ 页脚 ============ */
.site-footer{background:var(--deep);color:rgba(242,247,242,.78);padding:56px 0 26px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:760px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px}}
.site-footer .brand{color:#F2F7F2;margin-bottom:14px}
.site-footer .brand-name{color:#F2F7F2}
.footer-note{font-size:13px;line-height:1.8;color:rgba(242,247,242,.62);max-width:330px}
.footer-title{font-size:14px;font-weight:700;color:#F2F7F2;margin-bottom:14px;letter-spacing:.03em}
.footer-link{display:block;font-size:14px;color:rgba(242,247,242,.78);margin-bottom:10px;text-decoration:underline;text-decoration-color:transparent;text-underline-offset:4px;transition:all .2s ease-out}
.footer-link:hover{color:#fff;text-decoration-color:#fff;text-decoration-thickness:2px}
.footer-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(242,247,242,.55);
}
.footer-bottom a{color:rgba(242,247,242,.75);text-decoration:underline;text-underline-offset:4px}
.footer-bottom a:hover{color:#fff}

@media (max-width:1023px){
  h1{font-size:32px}
  h2{font-size:24px}
  .section{padding:44px 0}
}
@media (max-width:639px){
  body{font-size:16px}
  h1{font-size:26px;line-height:1.28}
  h2{font-size:22px}
  h3{font-size:18px}
  .section{padding:36px 0}
  .page-hero{padding:22px 0 26px}
  .hero-row{margin-top:12px}
  .timeline{padding-left:22px}
  .timeline::before{left:4px}
  .tl-item::before{left:-22px}
  table.compare{font-size:14px}
  table.compare thead th,table.compare tbody td{padding:12px 12px}
  .cta-text h2{font-size:22px}
  .btn{width:100%}
  .cta-actions{width:100%}
}

/* roulang page: category4 */
:root{
    --primary:#0B4D3C;
    --deep:#0B2A20;
    --accent:#C8F14A;
    --aux:#FF7A2F;
    --sand:#F5F6F1;
    --card:#FFFFFF;
    --text:#1A2620;
    --muted:#5C6B62;
    --line:#E2E4DB;
    --on-dark:#F2F7F2;
    --radius-card:16px;
    --radius-btn:12px;
    --shadow-card:0 1px 2px rgba(11,77,60,.06),0 10px 24px -14px rgba(11,77,60,.18);
    --shadow-hover:0 2px 4px rgba(11,77,60,.08),0 18px 34px -16px rgba(11,77,60,.26);
  }

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

  html{scroll-behavior:smooth}

  html body{
    margin:0;
    padding:0;
    background:var(--sand);
    color:var(--text);
    font-family:"PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
    font-size:17px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
    text-rendering:optimizeLegibility;
  }

  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none}
  button{font-family:inherit}

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

  body .container{
    width:100%;
    max-width:1200px;
    margin:0 auto;
    padding-left:20px;
    padding-right:20px;
  }
  @media (min-width:768px){
    body .container{padding-left:24px;padding-right:24px}
  }

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

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

  /* ============ 头部导航 ============ */
  .site-header{
    position:sticky;
    top:0;
    z-index:60;
    background:linear-gradient(100deg,#0B4D3C 0%,#0B2A20 100%);
    border-bottom:1px solid rgba(255,255,255,.14);
  }
  .header-inner{
    max-width:1200px;
    margin:0 auto;
    padding:0 20px;
    height:72px;
    display:flex;
    align-items:center;
    gap:18px;
  }
  @media (min-width:768px){
    .header-inner{padding:0 24px}
  }

  .brand{
    display:inline-flex;
    align-items:center;
    gap:10px;
    color:var(--on-dark);
    flex:0 0 auto;
  }
  .brand-mark{width:32px;height:32px;color:var(--accent);flex:0 0 auto}
  .brand-name{display:block;font-size:15px;font-weight:800;line-height:1.15;letter-spacing:.01em}
  .brand-sub{display:block;font-size:11px;letter-spacing:.08em;line-height:1.3;color:rgba(242,247,242,.7)}

  .nav-tabs{
    display:flex;
    align-items:center;
    gap:8px;
    flex:1 1 auto;
    min-width:0;
    overflow-x:auto;
    scroll-snap-type:x proximity;
    padding:4px 2px;
  }
  .nav-chip{
    position:relative;
    flex:0 0 auto;
    scroll-snap-align:start;
    padding:8px 16px;
    border-radius:999px;
    font-size:14px;
    line-height:1.4;
    color:rgba(255,255,255,.78);
    background:rgba(255,255,255,.08);
    transition:all .2s ease-out;
    white-space:nowrap;
  }
  .nav-chip:hover{background:rgba(255,255,255,.18);color:#fff}
  .nav-chip.is-active{
    background:var(--accent);
    color:var(--deep);
    font-weight:700;
  }
  .nav-chip.is-active::after{
    content:"";
    position:absolute;
    left:50%;
    transform:translateX(-50%);
    bottom:3px;
    width:18px;
    height:2px;
    border-radius:2px;
    background:var(--deep);
  }

  .header-actions{
    display:flex;
    align-items:center;
    gap:14px;
    margin-left:auto;
    flex:0 0 auto;
  }
  .header-help{
    font-size:14px;
    color:rgba(242,247,242,.78);
    border-bottom:1px solid transparent;
    transition:all .2s ease-out;
    white-space:nowrap;
  }
  .header-help:hover{color:#fff;border-bottom-color:#fff}

  .btn-primary{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    background:var(--accent);
    color:var(--deep);
    font-weight:700;
    font-size:15px;
    padding:12px 24px;
    border-radius:var(--radius-btn);
    border:1px solid transparent;
    cursor:pointer;
    transition:all .2s ease-out;
  }
  .btn-primary:hover{
    background:#d3f566;
    transform:translateY(-1px);
    box-shadow:0 14px 26px -12px rgba(11,42,32,.55);
  }
  .btn-primary:active{transform:translateY(0);box-shadow:0 4px 10px -6px rgba(11,42,32,.45)}

  .btn-ghost{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    background:transparent;
    color:var(--primary);
    font-weight:700;
    font-size:15px;
    padding:12px 24px;
    border-radius:var(--radius-btn);
    border:1.5px solid var(--primary);
    cursor:pointer;
    transition:all .2s ease-out;
  }
  .btn-ghost:hover{background:var(--primary);color:#fff;transform:translateY(-1px)}

  .btn-on-dark{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    background:transparent;
    color:#fff;
    font-weight:700;
    font-size:15px;
    padding:12px 24px;
    border-radius:var(--radius-btn);
    border:1.5px solid rgba(255,255,255,.6);
    cursor:pointer;
    transition:all .2s ease-out;
  }
  .btn-on-dark:hover{background:rgba(255,255,255,.12);border-color:#fff;transform:translateY(-1px)}

  .btn-sm{padding:10px 18px;font-size:14px}

  .nav-toggle{
    display:none;
    width:42px;
    height:42px;
    border-radius:10px;
    background:rgba(255,255,255,.1);
    border:1px solid rgba(255,255,255,.2);
    color:var(--on-dark);
    align-items:center;
    justify-content:center;
    cursor:pointer;
    margin-left:auto;
    transition:all .2s ease-out;
  }
  .nav-toggle:hover{background:rgba(255,255,255,.2)}

  .drawer{
    display:none;
    position:fixed;
    left:0;
    right:0;
    top:60px;
    bottom:0;
    background:var(--deep);
    padding:20px;
    z-index:55;
    overflow-y:auto;
    border-top:1px solid rgba(255,255,255,.14);
    animation:drawerIn .18s ease-out;
  }
  .drawer.is-open{display:block}
  .drawer-chips{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:10px;
    margin-bottom:18px;
  }
  .drawer-chips .nav-chip{
    text-align:center;
    padding:11px 10px;
    border-radius:12px;
    font-size:14px;
  }
  .drawer-cta{width:100%}
  @keyframes drawerIn{
    from{opacity:0;transform:translateY(-8px)}
    to{opacity:1;transform:translateY(0)}
  }

  /* ============ 页头 ============ */
  .page-head{
    background:var(--sand);
    border-bottom:1px solid var(--line);
    padding:34px 0 30px;
  }
  .breadcrumb{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:8px;
    font-size:13px;
    color:var(--muted);
    margin-bottom:16px;
  }
  .breadcrumb a{color:var(--primary);transition:color .2s ease-out}
  .breadcrumb a:hover{color:var(--aux)}
  .breadcrumb .sep{color:#9fb0a6}
  .breadcrumb .current{color:var(--muted)}

  .page-head-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:22px;
  }
  @media (min-width:960px){
    .page-head-grid{grid-template-columns:1fr auto;align-items:end;gap:36px}
  }

  h1.page-title{
    font-size:26px;
    font-weight:800;
    line-height:1.22;
    letter-spacing:-.01em;
    color:var(--primary);
    margin:0 0 12px;
  }
  @media (min-width:768px){
    h1.page-title{font-size:32px}
  }
  @media (min-width:1024px){
    h1.page-title{font-size:40px}
  }
  .page-lead{
    font-size:15px;
    line-height:1.8;
    color:var(--muted);
    margin:0;
    max-width:660px;
  }

  .stat-chips{
    display:flex;
    flex-wrap:wrap;
    gap:8px;
  }
  .stat-chip{
    display:inline-flex;
    align-items:center;
    gap:6px;
    border:1px solid var(--primary);
    border-radius:999px;
    padding:6px 14px;
    font-size:13px;
    color:var(--primary);
    background:rgba(255,255,255,.6);
    white-space:nowrap;
  }
  .stat-chip strong{font-weight:800;font-variant-numeric:tabular-nums}

  /* ============ 搜索区 ============ */
  .search-section{
    background:#fff;
    padding:26px 0 8px;
  }
  .search-bar{
    display:flex;
    align-items:center;
    gap:10px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--radius-btn);
    padding:6px 6px 6px 16px;
    box-shadow:var(--shadow-card);
  }
  .search-bar:focus-within{border-color:var(--primary);box-shadow:0 0 0 2px rgba(11,77,60,.16),var(--shadow-card)}
  .search-ic{width:20px;height:20px;color:var(--primary);flex:0 0 auto}
  .search-bar input{
    flex:1 1 auto;
    min-width:0;
    height:44px;
    border:0;
    outline:none;
    background:transparent;
    font-size:15px;
    color:var(--text);
  }
  .search-bar input::placeholder{color:#93a49a}
  .search-btn{flex:0 0 auto;padding:11px 22px}
  .search-hints{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:8px;
    font-size:13px;
    color:var(--muted);
    margin-top:12px;
  }
  .search-hints .hint-tag{
    border:1px solid var(--line);
    border-radius:999px;
    padding:3px 12px;
    font-size:13px;
    background:#fff;
    cursor:pointer;
    color:var(--muted);
    transition:all .2s ease-out;
  }
  .search-hints .hint-tag:hover{border-color:var(--primary);color:var(--primary)}

  /* ============ 锚点 chip ============ */
  .anchor-row{
    display:flex;
    gap:8px;
    overflow-x:auto;
    padding:18px 0 4px;
    scroll-snap-type:x proximity;
  }
  .anchor-chip{
    flex:0 0 auto;
    scroll-snap-align:start;
    border:1px solid var(--line);
    background:#fff;
    color:var(--muted);
    border-radius:999px;
    padding:6px 14px;
    font-size:13px;
    transition:all .2s ease-out;
    white-space:nowrap;
  }
  .anchor-chip:hover{border-color:var(--primary);color:var(--primary)}
  .anchor-chip.is-current{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:700}

  /* ============ FAQ ============ */
  .faq-section{background:#fff;padding:34px 0 56px}
  .faq-group{margin-bottom:34px;scroll-margin-top:96px}
  .group-title{
    display:flex;
    align-items:center;
    gap:10px;
    font-size:20px;
    font-weight:700;
    color:var(--primary);
    margin:0 0 16px;
    padding-left:12px;
    position:relative;
  }
  .group-title::before{
    content:"";
    position:absolute;
    left:0;
    top:4px;
    bottom:4px;
    width:4px;
    border-radius:2px;
    background:var(--accent);
  }
  .group-count{
    font-size:13px;
    font-weight:600;
    color:var(--muted);
    border:1px solid var(--line);
    border-radius:999px;
    padding:2px 10px;
    background:var(--sand);
  }

  .faq-item{
    border:1px solid var(--line);
    border-radius:var(--radius-btn);
    background:#fff;
    margin-bottom:10px;
    transition:all .2s ease-out;
  }
  .faq-item:hover{border-color:#c9d2c9;box-shadow:var(--shadow-card)}
  .faq-item.is-open{
    border-color:var(--primary);
    box-shadow:var(--shadow-card);
    position:relative;
    overflow:hidden;
  }
  .faq-item.is-open::before{
    content:"";
    position:absolute;
    left:0;
    top:0;
    bottom:0;
    width:3px;
    background:var(--accent);
  }
  .faq-q{
    width:100%;
    display:flex;
    align-items:flex-start;
    justify-content:space-between;
    gap:14px;
    text-align:left;
    background:transparent;
    border:0;
    cursor:pointer;
    padding:16px 18px;
    font-size:17px;
    font-weight:600;
    color:var(--text);
    line-height:1.6;
  }
  .faq-q:hover{color:var(--primary)}
  .faq-ic{
    flex:0 0 auto;
    width:20px;
    height:20px;
    margin-top:3px;
    color:var(--primary);
    transition:transform .24s ease-out;
  }
  .faq-item.is-open .faq-ic{transform:rotate(45deg)}
  .faq-a{
    max-height:0;
    overflow:hidden;
    transition:max-height .28s ease-out;
  }
  .faq-item.is-open .faq-a{max-height:520px}
  .faq-a-inner{
    padding:0 18px 18px 18px;
    font-size:15px;
    line-height:1.85;
    color:var(--muted);
  }
  .faq-a-inner p{margin:0 0 10px}
  .faq-a-inner p:last-child{margin-bottom:0}
  .faq-a-inner strong{color:var(--text);font-weight:700}

  .no-result{
    display:none;
    text-align:center;
    padding:44px 20px;
    border:1px dashed var(--line);
    border-radius:var(--radius-card);
    color:var(--muted);
    font-size:15px;
    margin-bottom:30px;
  }
  .no-result.is-show{display:block}

  /* ============ 未解决引导 ============ */
  .help-block{background:var(--sand);padding:52px 0}
  .help-card{
    display:grid;
    grid-template-columns:1fr;
    gap:26px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    box-shadow:var(--shadow-card);
    padding:26px;
  }
  @media (min-width:900px){
    .help-card{grid-template-columns:1.25fr .85fr;align-items:center;padding:34px}
  }
  .help-card h2{
    font-size:24px;
    font-weight:700;
    color:var(--primary);
    margin:0 0 12px;
    line-height:1.35;
  }
  @media (min-width:768px){
    .help-card h2{font-size:28px}
  }
  .help-card p{font-size:15px;color:var(--muted);margin:0 0 20px}
  .help-list{
    list-style:none;
    margin:0 0 22px;
    padding:0;
  }
  .help-list li{
    position:relative;
    padding-left:18px;
    font-size:15px;
    color:var(--muted);
    margin-bottom:8px;
  }
  .help-list li::before{
    content:"";
    position:absolute;
    left:0;
    top:11px;
    width:7px;
    height:7px;
    border-radius:50%;
    background:var(--primary);
  }
  .help-actions{display:flex;flex-wrap:wrap;gap:12px}
  .help-figure{
    border-radius:var(--radius-card);
    overflow:hidden;
    border:1px solid var(--line);
    background:var(--sand);
    aspect-ratio:16/11;
  }
  .help-figure img{width:100%;height:100%;object-fit:cover}

  /* ============ CTA ============ */
  .cta-band{
    position:relative;
    overflow:hidden;
    background-color:var(--deep);
    background-image:linear-gradient(100deg,rgba(11,42,32,.94) 0%,rgba(11,77,60,.86) 60%,rgba(11,77,60,.7) 100%),url('/assets/images/backpic/back-2.webp');
    background-size:cover;
    background-position:center;
    color:var(--on-dark);
    padding:56px 0;
  }
  .cta-inner{
    display:grid;
    grid-template-columns:1fr;
    gap:24px;
    align-items:center;
  }
  @media (min-width:900px){
    .cta-inner{grid-template-columns:1.4fr auto}
  }
  .cta-band h2{
    font-size:24px;
    font-weight:800;
    margin:0 0 10px;
    line-height:1.32;
    color:#fff;
  }
  @media (min-width:768px){
    .cta-band h2{font-size:28px}
  }
  .cta-band p{
    font-size:15px;
    color:rgba(242,247,242,.78);
    margin:0;
    max-width:600px;
  }
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px}

  /* ============ 页脚 ============ */
  .site-footer{
    background:var(--deep);
    color:var(--on-dark);
    padding:48px 0 26px;
    border-top:1px solid rgba(255,255,255,.14);
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:30px;
  }
  @media (min-width:640px){
    .footer-grid{grid-template-columns:1fr 1fr}
  }
  @media (min-width:1024px){
    .footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px}
  }
  .footer-note{
    font-size:14px;
    line-height:1.8;
    color:rgba(242,247,242,.68);
    margin:14px 0 0;
    max-width:340px;
  }
  .footer-title{
    font-size:14px;
    font-weight:700;
    color:#fff;
    margin-bottom:14px;
    letter-spacing:.02em;
  }
  .footer-link{
    display:block;
    font-size:14px;
    color:rgba(242,247,242,.78);
    margin-bottom:10px;
    border-bottom:2px solid transparent;
    transition:color .2s ease-out,border-color .2s ease-out;
    width:fit-content;
  }
  .footer-link:hover{color:#fff;border-bottom-color:var(--accent)}
  .footer-bottom{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    justify-content:space-between;
    gap:10px;
    margin-top:36px;
    padding-top:20px;
    border-top:1px solid rgba(255,255,255,.14);
    font-size:13px;
    color:rgba(242,247,242,.55);
  }
  .footer-bottom a{color:rgba(242,247,242,.7);transition:color .2s ease-out}
  .footer-bottom a:hover{color:var(--accent)}

  @media (max-width:767px){
    .nav-tabs{display:none}
    .header-actions{display:none}
    .nav-toggle{display:flex}
    .header-inner{height:60px}
    .page-head{padding:26px 0 24px}
    .faq-q{font-size:16px;padding:14px 15px}
    .faq-a-inner{padding:0 15px 15px}
    .group-title{font-size:18px}
    .cta-band{padding:44px 0}
  }

  @media (max-width:520px){
    html body{font-size:16px}
    .search-bar{flex-wrap:wrap;padding:12px}
    .search-bar input{width:100%;flex:1 1 100%;height:40px}
    .search-btn{width:100%}
    .search-ic{display:none}
    .help-actions .btn-primary,
    .help-actions .btn-ghost{width:100%}
    .cta-actions .btn-primary,
    .cta-actions .btn-on-dark{width:100%}
  }