/* roulang page: index */
:root{
    --bg:#F6F7F3; --surface:#FFFFFF; --ink:#0A1F1A; --ink-soft:#3D564C;
    --brand:#0E9E63; --brand-deep:#0B2E24; --lime:#C6F24E; --coral:#FF6A3D;
    --line:#E3E8E0; --ring:rgba(14,158,99,.35);
    --grad-brand:linear-gradient(135deg,#0B2E24 0%,#0E9E63 55%,#34D399 100%);
    --grad-data:linear-gradient(90deg,#0E9E63,#C6F24E);
    --shadow-sm:0 4px 16px rgba(11,46,36,.06);
    --shadow-lg:0 12px 28px rgba(11,46,36,.12);
    --font:"Noto Sans SC","PingFang SC","HarmonyOS Sans","Microsoft YaHei",sans-serif;
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);
    font-size:16px;line-height:1.8;overflow-x:hidden;
  }
  img{display:block;max-width:100%;height:auto}
  a{color:inherit;text-decoration:none;transition:color .18s ease}
  a:hover{color:var(--brand)}
  button,input,textarea{font:inherit;color:inherit}
  button{cursor:pointer;border:0;background:none}
  h1,h2,h3,h4,p,ul,ol,figure{margin:0}
  ul,ol{padding:0;list-style:none}
  :focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
  .wrap{max-width:1200px;margin:0 auto;padding-left:16px;padding-right:16px}
  @media(min-width:640px){.wrap{padding-left:24px;padding-right:24px}}
  .sec{padding:56px 0}
  @media(min-width:768px){.sec{padding:80px 0}}
  @media(min-width:1024px){.sec{padding:96px 0}}
  .h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;font-weight:700;letter-spacing:-.01em}
  .h3{font-size:19px;line-height:1.5;font-weight:600}
  .lead{color:var(--ink-soft);font-size:15px;line-height:1.75}
  .eyebrow{font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--brand)}
  .num{font-variant-numeric:tabular-nums;font-weight:800;letter-spacing:-.01em}

  /* 双层导航 */
  .site-head{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .2s ease}
  .site-head.is-scrolled{box-shadow:var(--shadow-sm)}
  .nav-top{display:flex;align-items:center;gap:14px;min-height:68px}
  .logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
  .logo-mark{width:38px;height:38px;border-radius:12px;background:var(--grad-brand);display:flex;align-items:center;justify-content:center;color:#fff;flex-shrink:0;box-shadow:var(--shadow-sm)}
  .logo-text{display:flex;flex-direction:column;line-height:1.15}
  .logo-main{font-size:16px;font-weight:800;color:var(--brand-deep);white-space:nowrap}
  .logo-sub{font-size:11px;color:var(--ink-soft);letter-spacing:.08em}
  .nav-search{flex:1;max-width:420px;position:relative;display:none}
  @media(min-width:1024px){.nav-search{display:block}}
  .nav-search input{width:100%;height:46px;border-radius:14px;border:1px solid var(--line);background:#F9FAF7;padding:0 44px 0 16px;font-size:14px;transition:border-color .18s ease,box-shadow .18s ease}
  .nav-search input:focus{border-color:var(--brand);box-shadow:0 0 0 3px var(--ring);outline:none}
  .nav-search svg{position:absolute;right:14px;top:50%;transform:translateY(-50%);color:#8A9A92}
  .nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 20px;border-radius:12px;font-size:14px;font-weight:700;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease;white-space:nowrap}
  .btn-primary{background:var(--grad-brand);color:#fff;box-shadow:var(--shadow-sm)}
  .btn-primary:hover{color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-lg);filter:brightness(1.06)}
  .btn-primary:active{transform:translateY(1px);box-shadow:none}
  .btn-ghost{background:#fff;border:1px solid var(--brand);color:var(--brand)}
  .btn-ghost:hover{background:#EAF8F1;color:var(--brand-deep);transform:translateY(-1px)}
  .btn-ghost:active{transform:translateY(0)}
  .btn-sm{height:38px;padding:0 16px;font-size:13px;border-radius:10px}
  .icon-btn{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;display:inline-flex;align-items:center;justify-content:center;color:var(--brand-deep);transition:background .18s ease,border-color .18s ease}
  .icon-btn:hover{background:#EAF8F1;border-color:var(--brand);color:var(--brand)}
  .mobile-search{display:none;padding-bottom:14px}
  .mobile-search.open{display:block}
  @media(min-width:1024px){.mobile-search{display:none!important}}
  .mobile-search input{width:100%;height:46px;border-radius:14px;border:1px solid var(--line);background:#F9FAF7;padding:0 16px}
  .tabs-bar{position:relative;border-top:1px solid var(--line);background:#FCFDFA}
  .tabs-scroll{display:flex;gap:10px;align-items:center;padding:10px 0;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
  .tabs-scroll::-webkit-scrollbar{display:none}
  .tab{flex:0 0 auto;display:inline-flex;align-items:center;gap:6px;height:38px;padding:0 16px;border-radius:999px;font-size:14px;font-weight:600;color:var(--ink-soft);background:#fff;border:1px solid var(--line);transition:all .18s ease}
  .tab:hover{background:#EAF8F1;color:var(--brand-deep);border-color:#CDEBDB}
  .tab.active{background:var(--brand-deep);color:var(--lime);border-color:var(--brand-deep)}
  .tabs-fade{position:absolute;right:0;top:0;bottom:0;width:56px;pointer-events:none;background:linear-gradient(90deg,rgba(252,253,250,0),#FCFDFA)}

  /* Hero */
  .hero{position:relative;overflow:hidden;background:var(--brand-deep);color:#fff}
  .hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.42}
  .hero-mask{position:absolute;inset:0;background:linear-gradient(120deg,rgba(11,46,36,.96) 0%,rgba(11,46,36,.86) 45%,rgba(14,158,99,.55) 100%)}
  .hero-inner{position:relative;display:grid;gap:32px;padding:56px 0 60px}
  @media(min-width:1024px){.hero-inner{grid-template-columns:7fr 5fr;align-items:center;padding:84px 0 88px}}
  .hero h1{font-size:clamp(28px,4.2vw,46px);line-height:1.2;font-weight:700;letter-spacing:-.015em}
  .hero-sub{margin-top:14px;font-size:16px;color:#D6E8DE;max-width:32em}
  .badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
  .badge{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:999px;font-size:12.5px;font-weight:700;background:rgba(198,242,78,.16);color:var(--lime);border:1px solid rgba(198,242,78,.28)}
  .badge-solid{background:var(--lime);color:var(--brand-deep);border-color:var(--lime)}
  .badge-soft{background:#EAF8F1;color:var(--brand-deep);border:1px solid #CDEBDB}
  .badge-coral{background:rgba(255,106,61,.16);color:#FFD6C7;border:1px solid rgba(255,106,61,.35)}
  .hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
  .hero-card{background:rgba(255,255,255,.97);color:var(--ink);border-radius:22px;padding:22px;box-shadow:0 20px 44px rgba(0,0,0,.28)}
  .hero-card .thumb{margin-bottom:16px}
  .mini-row{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 0;border-top:1px dashed var(--line);font-size:13.5px;color:var(--ink-soft)}
  .mini-row:first-of-type{border-top:0}

  /* 通用卡片 */
  .card{background:var(--surface);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
  .card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:#CDEBDB}
  .card-pad{padding:22px}
  .card-top-line::before{content:"";display:block;height:4px;border-radius:20px 20px 0 0;background:var(--grad-data)}
  .thumb{position:relative;overflow:hidden;background:#EDEFEA;border-radius:16px}
  .thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .25s ease}
  .card:hover .thumb img{transform:scale(1.03)}
  .thumb-fallback{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;color:#8A9A92;font-size:12.5px;text-align:center;padding:12px}
  .ratio-16x9{aspect-ratio:16/9}
  .ratio-4x3{aspect-ratio:4/3}
  .ratio-1x1{aspect-ratio:1/1}
  .clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .clamp-3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
  .meta{font-size:13px;line-height:1.6;color:#7B8C84;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
  .dot{width:4px;height:4px;border-radius:50%;background:#C3CEC8;display:inline-block}

  /* 目录索引 */
  .pill-row{display:flex;gap:10px;overflow-x:auto;padding-bottom:6px;scrollbar-width:none}
  .pill-row::-webkit-scrollbar{display:none}
  .pill{flex:0 0 auto;padding:9px 16px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13.5px;font-weight:600;color:var(--ink-soft)}
  .pill:hover{border-color:var(--brand);color:var(--brand);background:#EAF8F1}
  .pill.on{background:var(--brand);border-color:var(--brand);color:#fff}
  .dir-card{display:flex;gap:18px;align-items:flex-start}
  .dir-no{font-size:32px;line-height:1;background:var(--grad-data);-webkit-background-clip:text;background-clip:text;color:transparent;font-variant-numeric:tabular-nums;font-weight:800}
  .arrow{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;background:#F1F5F0;color:var(--brand-deep);transition:transform .2s ease,background .2s ease}
  .card:hover .arrow,.row-item:hover .arrow{transform:translateX(4px);background:var(--lime);color:var(--brand-deep)}

  /* 编号精选条目 */
  .row-item{display:grid;gap:20px;align-items:center;padding:22px;background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
  .row-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:#CDEBDB}
  @media(min-width:900px){.row-item{grid-template-columns:minmax(0,1fr) 300px}.row-item.flip{grid-template-columns:300px minmax(0,1fr)}.row-item.flip .row-media{order:-1}}
  .big-no{font-size:38px;line-height:1;font-weight:800;color:#D3DED7;font-variant-numeric:tabular-nums}

  /* 横向滚动 */
  .snap-row{display:flex;gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 4px 16px;scrollbar-width:none}
  .snap-row::-webkit-scrollbar{display:none}
  .snap-row > *{scroll-snap-align:start;flex:0 0 82%}
  @media(min-width:640px){.snap-row > *{flex:0 0 46%}}
  @media(min-width:1024px){.snap-row > *{flex:0 0 30%}}

  /* 流程步骤 */
  .step{position:relative;background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease}
  .step:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}
  .step-no{width:36px;height:36px;border-radius:11px;background:var(--brand-deep);color:var(--lime);display:flex;align-items:center;justify-content:center;font-weight:800;font-variant-numeric:tabular-nums}

  /* CTA 通栏 */
  .cta-band{position:relative;overflow:hidden;border-radius:24px;background:var(--grad-brand);color:#fff;padding:32px;display:grid;gap:22px}
  @media(min-width:900px){.cta-band{grid-template-columns:1.2fr .8fr;align-items:center;padding:40px 44px}}
  .cta-band::after{content:"";position:absolute;right:-60px;bottom:-80px;width:280px;height:280px;border-radius:50%;background:rgba(198,242,78,.18)}
  .cta-band > *{position:relative;z-index:1}
  .cta-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 20px;border-radius:12px;font-weight:700;font-size:14px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.36);color:#fff;transition:all .18s ease}
  .cta-btn:hover{background:#fff;color:var(--brand-deep);transform:translateY(-1px)}
  .cta-btn:active{transform:translateY(1px)}
  .cta-btn.solid{background:var(--lime);border-color:var(--lime);color:var(--brand-deep)}
  .cta-btn.solid:hover{background:#D7F873;color:var(--brand-deep)}

  /* FAQ */
  .faq{background:#fff;border:1px solid var(--line);border-left:3px solid var(--brand);border-radius:16px;box-shadow:var(--shadow-sm);margin-bottom:12px;overflow:hidden}
  .faq summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;font-weight:700;font-size:16px}
  .faq summary::-webkit-details-marker{display:none}
  .faq summary:hover{background:#F7FBF9}
  .faq-icon{transition:transform .22s ease;color:var(--brand);flex-shrink:0}
  .faq[open] .faq-icon{transform:rotate(90deg)}
  .faq-body{padding:0 22px 20px;color:var(--ink-soft);font-size:15px;line-height:1.8}

  /* 空态 */
  .empty{background:#fff;border:1px dashed #C9D6CF;border-radius:20px;padding:44px 24px;text-align:center;color:var(--ink-soft)}
  .empty svg{margin:0 auto 12px;color:#A9B8B0}

  /* 页脚 */
  .site-foot{background:#081915;color:#C3D4CB;margin-top:20px}
  .foot-grid{display:grid;gap:32px;padding:56px 0 32px}
  @media(min-width:768px){.foot-grid{grid-template-columns:1.4fr 1fr 1fr 1fr}}
  .foot-title{color:#fff;font-size:15px;font-weight:700;margin-bottom:14px}
  .foot-link{display:block;font-size:14px;color:#A9BDB3;padding:5px 0}
  .foot-link:hover{color:var(--lime)}
  .foot-bottom{border-top:1px solid rgba(255,255,255,.12);padding:18px 0 28px;font-size:13px;color:#8FA69B;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between}
  .toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,20px);background:var(--brand-deep);color:#fff;padding:12px 20px;border-radius:999px;font-size:14px;opacity:0;pointer-events:none;transition:all .25s ease;z-index:90}
  .toast.show{opacity:1;transform:translate(-50%,0)}

/* roulang page: article */
:root{
  --bg:#F6F7F3;--surface:#FFFFFF;--ink:#0A1F1A;--ink-soft:#3D564C;
  --brand:#0E9E63;--brand-deep:#0B2E24;--lime:#C6F24E;--coral:#FF6A3D;
  --line:#E3E8E0;--ring:rgba(14,158,99,.35);
  --grad-brand:linear-gradient(135deg,#0B2E24 0%,#0E9E63 55%,#34D399 100%);
  --grad-data:linear-gradient(90deg,#0E9E63,#C6F24E);
  --r-lg:22px;--r-md:16px;--r-sm:12px;
  --sh:0 4px 16px rgba(11,46,36,.06);
  --sh-h:0 12px 28px rgba(11,46,36,.12);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"Noto Sans SC","PingFang SC","HarmonyOS Sans","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.8;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.2px}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
[id]{scroll-margin-top:132px}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 16px}
@media(min-width:640px){.wrap{padding:0 24px}}

/* ============ 顶部导航 ============ */
.site-head{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(8px);transition:box-shadow .25s ease}
.site-head.is-scrolled{box-shadow:0 8px 24px rgba(11,46,36,.09)}
.top-inner{display:flex;align-items:center;gap:16px;min-height:68px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{width:38px;height:38px;border-radius:13px;background:var(--grad-brand);color:#fff;display:flex;align-items:center;justify-content:center;flex-shrink:0;box-shadow:var(--sh)}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-main{font-size:16px;font-weight:800;color:var(--ink);white-space:nowrap}
.logo-sub{font-size:11px;color:var(--ink-soft);letter-spacing:.6px;white-space:nowrap}
@media(max-width:420px){.logo-main{font-size:14px}.logo-sub{display:none}}
.search{flex:1;max-width:420px;display:none;align-items:center;gap:8px;background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:6px 8px 6px 16px;transition:border-color .2s,box-shadow .2s}
.search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px var(--ring)}
.search input{flex:1;border:0;background:transparent;height:34px;font-size:14px;min-width:0}
.search input::placeholder{color:#8AA096}
.search button{border:0;cursor:pointer;border-radius:999px;background:var(--grad-brand);color:#fff;font-size:13px;font-weight:700;padding:8px 16px;white-space:nowrap}
.search button:hover{filter:brightness(1.08)}
.head-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.search-toggle{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;cursor:pointer;color:var(--brand-deep)}
.search-toggle:hover{background:#F0F7F2}
.search-panel{display:none;padding:0 0 14px}
.search-panel.open{display:block}
.search-panel .search{display:flex;max-width:none}
@media(min-width:1024px){
  .search{display:flex}
  .search-toggle{display:none}
  .search-panel{display:none !important}
}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-sm);font-size:14px;font-weight:700;padding:11px 20px;border:1px solid transparent;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,filter .18s ease;white-space:nowrap}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 6px 16px rgba(11,46,36,.18)}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 10px 22px rgba(11,46,36,.24)}
.btn-primary:active{transform:translateY(1px);box-shadow:none}
.btn-ghost{background:#fff;color:var(--brand);border-color:rgba(14,158,99,.4)}
.btn-ghost:hover{background:#EFFAF3;transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-lime{background:var(--lime);color:var(--brand-deep);box-shadow:0 6px 16px rgba(11,46,36,.18)}
.btn-lime:hover{filter:brightness(1.04);transform:translateY(-1px)}
.btn-lime:active{transform:translateY(1px);box-shadow:none}
.btn-outline-light{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.4)}
.btn-outline-light:hover{background:rgba(255,255,255,.2)}
.btn:disabled{filter:saturate(.6);cursor:not-allowed;opacity:.7}
.btn-sm{padding:8px 14px;font-size:13px}

.tabs-bar{background:#fff;border-bottom:1px solid var(--line)}
.tabs-scroll{display:flex;gap:8px;overflow-x:auto;padding:8px 0;scrollbar-width:none;-ms-overflow-style:none}
.tabs-scroll::-webkit-scrollbar{display:none}
.tab{flex:0 0 auto;display:inline-flex;align-items:center;padding:8px 16px;border-radius:999px;font-size:14px;font-weight:600;color:var(--ink-soft);border:1px solid transparent;transition:background .18s,color .18s,border-color .18s}
.tab:hover{background:#EFFAF3;color:var(--brand-deep)}
.tab.active{background:var(--brand-deep);color:var(--lime);border-color:var(--brand-deep)}
.tabs-fade{position:absolute;right:0;top:0;bottom:0;width:56px;pointer-events:none;background:linear-gradient(90deg,rgba(255,255,255,0),#fff 70%)}

/* ============ 面包屑 ============ */
.crumb{font-size:13px;color:var(--ink-soft);padding:18px 0 0;display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:#B9C7BF}
.crumb .now{color:var(--ink);max-width:46vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ============ 文章头部 ============ */
.art-head{padding:22px 0 8px}
.badge{display:inline-flex;align-items:center;gap:6px;border-radius:999px;font-size:12.5px;font-weight:700;padding:5px 13px;font-variant-numeric:tabular-nums}
.badge-lime{background:rgba(198,242,78,.42);color:var(--brand-deep)}
.badge-deep{background:var(--brand-deep);color:var(--lime)}
.badge-soft{background:#EFF4F0;color:var(--ink-soft);border:1px solid var(--line)}
.art-title{font-size:clamp(28px,4.2vw,44px);line-height:1.22;margin:14px 0 0;max-width:22em}
.art-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;margin-top:16px;font-size:13.5px;color:var(--ink-soft)}
.art-meta .dot{width:4px;height:4px;border-radius:50%;background:#C3D2C9}
.meta-tools{display:flex;align-items:center;gap:8px;margin-left:auto}
.icon-btn{width:38px;height:38px;border-radius:12px;border:1px solid var(--line);background:#fff;display:inline-flex;align-items:center;justify-content:center;color:var(--ink-soft);cursor:pointer;transition:all .18s}
.icon-btn:hover{color:var(--brand);border-color:rgba(14,158,99,.45);background:#EFFAF3}
.icon-btn:active{transform:translateY(1px)}

.art-hero{margin-top:22px;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);background:#EDF1EC;aspect-ratio:16/7}
.art-hero img{width:100%;height:100%;object-fit:cover}
@media(max-width:640px){.art-hero{aspect-ratio:16/9}}

/* ============ 布局 ============ */
.art-layout{display:grid;grid-template-columns:1fr;gap:32px;padding:34px 0 8px}
@media(min-width:1024px){.art-layout{grid-template-columns:minmax(0,1fr) 320px;gap:44px}}
.art-main{min-width:0}
.art-body{max-width:760px;font-size:17px;line-height:1.9;color:#183128;word-wrap:break-word;overflow-wrap:anywhere}
.art-body>*+*{margin-top:1.1em}
.art-body h2{font-size:24px;line-height:1.4;margin-top:1.8em;padding-left:12px;border-left:4px solid var(--brand);color:var(--ink)}
.art-body h3{font-size:19px;line-height:1.5;margin-top:1.5em;color:var(--ink)}
.art-body p{margin:0}
.art-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.art-body a:hover{color:var(--brand-deep)}
.art-body ul,.art-body ol{padding-left:2px}
.art-body ul li{position:relative;padding-left:20px;margin:.45em 0}
.art-body ul li::before{content:"";position:absolute;left:2px;top:.78em;width:7px;height:7px;border-radius:50%;background:var(--grad-data)}
.art-body ol{counter-reset:li}
.art-body ol li{position:relative;padding-left:30px;margin:.5em 0;counter-increment:li}
.art-body ol li::before{content:counter(li,decimal-leading-zero);position:absolute;left:0;top:.05em;font-size:14px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums}
.art-body blockquote{margin:1.6em 0;padding:16px 20px;background:#F2FAF1;border-left:4px solid var(--brand);border-radius:0 var(--r-md) var(--r-md) 0;font-style:italic;color:#22463A}
.art-body img{border-radius:16px;margin:1.4em 0 .6em}
.art-body figure{margin:1.6em 0}
.art-body figcaption,.art-body .caption{font-size:13px;color:var(--ink-soft)}
.art-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;border-radius:var(--r-md);overflow:hidden}
.art-body thead{background:var(--brand-deep);color:#fff}
.art-body th,.art-body td{padding:11px 14px;border:1px solid var(--line);text-align:left}
.art-body tbody tr:nth-child(even){background:#FAFCFA}
.art-body hr{border:0;height:1px;background:var(--line);margin:2em 0}

.empty-state{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:44px 26px;text-align:center;box-shadow:var(--sh);max-width:760px}
.empty-state svg{margin:0 auto 14px;color:#B4C6BB}
.empty-title{font-size:19px;font-weight:700;color:var(--ink)}
.empty-desc{font-size:15px;color:var(--ink-soft);margin:8px 0 20px}

/* ============ 侧栏 ============ */
.side{display:flex;flex-direction:column;gap:20px}
@media(min-width:1024px){.side{position:sticky;top:132px;align-self:start}}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:20px;box-shadow:var(--sh)}
.side-card.has-bar{position:relative;overflow:hidden}
.side-card.has-bar::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad-brand)}
.side-title{font-size:15px;font-weight:800;margin-bottom:12px;display:flex;align-items:center;gap:8px}
.side-nav a{display:flex;align-items:center;gap:8px;font-size:14.5px;color:var(--ink-soft);padding:8px 10px;border-radius:10px;transition:all .18s}
.side-nav a:hover{background:#EFFAF3;color:var(--brand-deep);padding-left:14px}
.side-nav a .no{font-size:12px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums}
.side-item{display:flex;gap:12px;padding:10px 0;border-top:1px dashed var(--line)}
.side-item:first-of-type{border-top:0;padding-top:0}
.side-item .thumb{width:74px;flex:0 0 74px;aspect-ratio:4/3;border-radius:10px;overflow:hidden;background:#EDF1EC;position:relative}
.side-item .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .25s}
.side-item:hover .thumb img{transform:scale(1.06)}
.side-item h4{font-size:14.5px;line-height:1.5;font-weight:700}
.side-item:hover h4{color:var(--brand)}
.side-item span{font-size:12.5px;color:var(--ink-soft)}

/* ============ 相关推荐 ============ */
.section{padding:52px 0}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:22px}
.sec-title{font-size:clamp(22px,2.6vw,28px);line-height:1.35}
.sec-desc{font-size:14.5px;color:var(--ink-soft);margin-top:8px}
.grid-3{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:640px){.grid-3{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.grid-3{grid-template-columns:repeat(3,1fr)}}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh);transition:transform .2s ease,box-shadow .2s ease;display:flex;flex-direction:column}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-h)}
.card .cover{aspect-ratio:16/9;background:#EDF1EC;overflow:hidden;position:relative}
.card .cover img{width:100%;height:100%;object-fit:cover;transition:transform .28s ease}
.card:hover .cover img{transform:scale(1.03)}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card h3{font-size:17.5px;line-height:1.5;font-weight:700;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card:hover h3{color:var(--brand)}
.card p{font-size:14.5px;color:var(--ink-soft);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-soft);padding-top:6px}
.arrow{transition:transform .2s ease;color:var(--brand)}
.card:hover .arrow{transform:translateX(4px)}

/* 图片失败占位 */
.is-fallback::after{content:"图片暂时无法显示";position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:12.5px;color:#8AA096;background:#EDF1EC;text-align:center;padding:8px}

/* ============ 上下篇 ============ */
.pager{display:grid;grid-template-columns:1fr;gap:16px}
@media(min-width:768px){.pager{grid-template-columns:repeat(2,1fr)}}
.pager a{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:18px 20px;box-shadow:var(--sh);transition:all .2s;display:block}
.pager a:hover{border-color:rgba(14,158,99,.4);transform:translateY(-2px);box-shadow:var(--sh-h)}
.pager .label{font-size:12.5px;color:var(--ink-soft);font-weight:700}
.pager .ttl{font-size:16px;font-weight:700;margin-top:6px}
.pager .right{text-align:right}

/* ============ CTA 通栏 ============ */
.cta-band{background:var(--grad-brand);border-radius:var(--r-lg);padding:32px 26px;color:#fff;display:flex;flex-wrap:wrap;align-items:center;gap:20px;justify-content:space-between;box-shadow:0 14px 34px rgba(11,46,36,.22);position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;right:-40px;bottom:-60px;width:200px;height:200px;border-radius:50%;background:rgba(198,242,78,.16)}
.cta-band h2{font-size:clamp(20px,2.4vw,26px);color:#fff;position:relative}
.cta-band p{font-size:14.5px;color:#D6EBE0;margin-top:8px;max-width:34em;position:relative}
.cta-actions{display:flex;flex-wrap:wrap;gap:10px;position:relative}

/* ============ FAQ ============ */
.faq{display:flex;flex-direction:column;gap:12px}
.faq details{background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--brand);border-radius:var(--r-md);box-shadow:var(--sh);overflow:hidden}
.faq summary{cursor:pointer;list-style:none;padding:18px 22px;font-size:16px;font-weight:700;display:flex;align-items:center;justify-content:space-between;gap:14px}
.faq summary::-webkit-details-marker{display:none}
.faq summary .chev{transition:transform .2s ease;color:var(--brand);flex:0 0 auto}
.faq details[open] summary .chev{transform:rotate(90deg)}
.faq .ans{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--ink-soft)}

/* ============ 页脚 ============ */
.site-foot{background:var(--brand-deep);color:#C7D9D0;margin-top:60px;padding:52px 0 26px}
.foot-grid{display:grid;grid-template-columns:1fr;gap:30px}
@media(min-width:640px){.foot-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.foot-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr}}
.foot-title{font-size:14px;font-weight:800;color:#fff;margin-bottom:14px;letter-spacing:.4px}
.foot-link{display:block;font-size:14px;color:#A9BDB3;padding:5px 0;transition:color .18s}
.foot-link:hover{color:var(--lime)}
.foot-bottom{margin-top:34px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:#8FA79C}

@media(max-width:520px){
  .art-title{font-size:26px}
  .cta-band{padding:26px 20px}
  .btn{padding:10px 16px;font-size:13.5px}
  .crumb .now{max-width:60vw}
}

/* roulang page: category1 */
:root{
    --bg:#F6F7F3;
    --surface:#FFFFFF;
    --ink:#0A1F1A;
    --ink-soft:#3D564C;
    --brand:#0E9E63;
    --brand-deep:#0B2E24;
    --brand-text:#0A6B47;
    --lime:#C6F24E;
    --coral:#FF6A3D;
    --line:#E3E8E0;
    --ring:rgba(14,158,99,.35);
    --grad-brand:linear-gradient(135deg,#0B2E24 0%,#0E9E63 55%,#34D399 100%);
    --grad-data:linear-gradient(90deg,#0E9E63,#C6F24E);
    --radius-lg:22px;
    --radius-md:16px;
    --radius-sm:12px;
    --shadow-sm:0 4px 16px rgba(11,46,36,.06);
    --shadow-md:0 12px 28px rgba(11,46,36,.12);
    --num:"SF Mono",ui-monospace,Menlo,Consolas,monospace;
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;
    background:var(--bg);
    color:var(--ink);
    font-family:"Noto Sans SC","PingFang SC","HarmonyOS Sans","Microsoft YaHei",sans-serif;
    font-size:16.5px;
    line-height:1.8;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,transform .2s ease}
  button,input{font:inherit;color:inherit}
  button{border:none;background:none;cursor:pointer}
  ul,ol{margin:0;padding:0;list-style:none}
  h1,h2,h3,h4,p{margin:0}
  :focus-visible{outline:2px solid var(--brand);outline-offset:2px}
  .wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
  section[id]{scroll-margin-top:140px}

  /* ============ 顶部第一行 ============ */
  .site-head{position:sticky;top:0;z-index:50;background:var(--surface);border-bottom:1px solid var(--line);transition:box-shadow .25s ease}
  .site-head.is-stuck{box-shadow:var(--shadow-sm)}
  .top-row{display:flex;align-items:center;gap:18px;height:70px}
  .logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
  .logo-mark{
    width:38px;height:38px;border-radius:13px;background:var(--grad-brand);color:#fff;
    display:grid;place-items:center;flex-shrink:0;box-shadow:0 6px 14px rgba(11,46,36,.18)
  }
  .logo-text{display:block;line-height:1.15}
  .logo-main{display:block;font-weight:700;font-size:17px;letter-spacing:.2px;color:var(--ink)}
  .logo-sub{display:block;font-size:12px;color:var(--ink-soft);margin-top:2px;letter-spacing:.3px}
  .search{
    flex:1;max-width:430px;display:flex;align-items:center;gap:8px;height:46px;
    background:#F3F6F1;border:1px solid var(--line);border-radius:14px;padding:0 6px 0 14px;
    transition:border-color .2s ease,box-shadow .2s ease
  }
  .search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px var(--ring)}
  .search svg{flex-shrink:0;color:#7E948A}
  .search input{flex:1;min-width:0;height:100%;border:none;background:transparent;outline:none;font-size:14.5px}
  .search input::placeholder{color:#8CA096}
  .search .go{
    height:36px;padding:0 16px;border-radius:10px;background:linear-gradient(135deg,#0B2E24,#0E9E63);
    color:#fff;font-size:14px;font-weight:600;transition:filter .2s ease,transform .2s ease
  }
  .search .go:hover{filter:brightness(1.1)}
  .search .go:active{transform:translateY(1px)}
  .head-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex-shrink:0}
  .search-toggle{display:none;width:46px;height:46px;border-radius:14px;border:1px solid var(--line);background:#fff;color:var(--brand-text);place-items:center}
  .search-toggle:hover{background:#EAF7F0}
  .mobile-search{display:none;padding:0 0 14px}
  .mobile-search.open{display:block}
  .mobile-search .search{max-width:none;width:100%}

  /* ============ 按钮 ============ */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 20px;
    border-radius:var(--radius-sm);font-size:15px;font-weight:600;border:1px solid transparent;
    transition:transform .18s ease,box-shadow .2s ease,filter .2s ease,background-color .2s ease,color .2s ease;
    white-space:nowrap
  }
  .btn-primary{background:linear-gradient(135deg,#0B2E24,#0E9E63);color:#fff;box-shadow:0 6px 16px rgba(11,46,36,.18)}
  .btn-primary:hover{filter:brightness(1.1);transform:translateY(-1px);color:#fff}
  .btn-primary:active{transform:translateY(1px);box-shadow:none}
  .btn-ghost{background:#fff;border-color:var(--brand);color:var(--brand-text)}
  .btn-ghost:hover{background:#EAF7F0;transform:translateY(-1px);color:var(--brand-text)}
  .btn-ghost:active{transform:translateY(1px)}
  .btn-light{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.4);color:#fff}
  .btn-light:hover{background:rgba(255,255,255,.24);transform:translateY(-1px);color:#fff}
  .btn-light:active{transform:translateY(1px)}
  .btn-sm{height:42px;padding:0 16px;font-size:14.5px}

  /* ============ 频道 Tabs ============ */
  .tabs-bar{background:#FBFCF9;border-bottom:1px solid var(--line)}
  .tabs-scroll{display:flex;gap:10px;overflow-x:auto;padding:9px 0;scrollbar-width:none;-ms-overflow-style:none}
  .tabs-scroll::-webkit-scrollbar{display:none}
  .tab{
    flex-shrink:0;padding:9px 17px;border-radius:999px;font-size:14.5px;font-weight:500;
    color:var(--ink-soft);white-space:nowrap;border:1px solid transparent
  }
  .tab:hover{background:#EAF7F0;color:var(--brand-deep)}
  .tab.active{background:var(--brand-deep);color:var(--lime);font-weight:600}
  .tab.active:hover{color:var(--lime)}
  .tabs-fade{
    position:absolute;top:0;right:0;bottom:0;width:56px;pointer-events:none;
    background:linear-gradient(90deg,rgba(251,252,249,0),#FBFCF9 70%)
  }

  /* ============ 面包屑 ============ */
  .crumb{font-size:13px;color:#6C8379;padding:20px 0 0}
  .crumb a{color:#6C8379}
  .crumb a:hover{color:var(--brand)}
  .crumb .sep{margin:0 8px;color:#B4C3BB}
  .crumb .now{color:var(--ink)}

  /* ============ Hero 窄条 ============ */
  .hero{position:relative;margin-top:18px;border-radius:24px;overflow:hidden;background:var(--brand-deep)}
  .hero-bg{
    position:absolute;inset:0;background-image:url("/assets/images/backpic/back-1.webp");
    background-size:cover;background-position:center;transform:scale(1.02)
  }
  .hero::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(100deg,rgba(6,28,22,.94) 0%,rgba(8,40,31,.86) 45%,rgba(11,46,36,.55) 100%)
  }
  .hero-inner{position:relative;z-index:2;padding:44px 34px 40px}
  .hero-eyebrow{
    display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
    background:var(--lime);color:#0B2E24;font-size:12.5px;font-weight:700;letter-spacing:.4px
  }
  .hero h1{
    margin-top:16px;color:#fff;font-size:clamp(28px,4.2vw,44px);line-height:1.2;font-weight:700;
    max-width:19em;letter-spacing:-.2px
  }
  .hero-lead{margin-top:14px;color:#C9DDD4;font-size:16.5px;max-width:44em}
  .hero-badges{display:flex;flex-wrap:wrap;gap:9px;margin-top:22px}

  /* ============ 徽章 ============ */
  .badge{
    display:inline-flex;align-items:center;gap:6px;padding:5px 13px;border-radius:999px;
    font-size:12.5px;font-weight:600;font-variant-numeric:tabular-nums;line-height:1.6
  }
  .badge-lime{background:var(--lime);color:#0B2E24}
  .badge-dark{background:var(--brand-deep);color:var(--lime)}
  .badge-soft{background:#EAF7F0;color:var(--brand-text)}
  .badge-coral{background:#FFEDE6;color:#B23C14}
  .badge-line{background:rgba(255,255,255,.12);color:#E4F1EB;border:1px solid rgba(255,255,255,.28)}

  /* ============ 目录墙布局 ============ */
  .wall{display:grid;grid-template-columns:250px 1fr;gap:34px;padding:44px 0 10px;align-items:start}
  .side-inner{position:sticky;top:140px}
  .side-title{font-size:13px;font-weight:700;letter-spacing:.8px;color:#7C9187;margin-bottom:12px}
  .side-nav{display:flex;flex-direction:column;gap:6px;margin-bottom:18px}
  .side-link{
    display:block;padding:11px 16px;border-radius:999px;background:var(--surface);border:1px solid var(--line);
    font-size:14.5px;color:var(--ink-soft);font-weight:500
  }
  .side-link:hover{border-color:var(--brand);color:var(--brand-deep);background:#F3FBF6;transform:translateX(2px)}
  .side-link.active{background:var(--brand-deep);border-color:var(--brand-deep);color:var(--lime);font-weight:600}
  .side-note{
    border-radius:var(--radius-md);background:#F0F7F2;border:1px solid var(--line);padding:14px 16px;
    font-size:13.5px;color:var(--ink-soft);line-height:1.7
  }
  .side-cta{width:100%;margin-top:16px}

  /* ============ 分组与卡片 ============ */
  .group{padding:8px 0 34px}
  .group:last-child{padding-bottom:8px}
  .group-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:6px}
  .group-head h2{font-size:clamp(22px,2.6vw,28px);font-weight:700;line-height:1.35;letter-spacing:-.2px}
  .group-head h2 .num{
    font-family:var(--num);font-size:.72em;font-weight:800;color:var(--brand);
    margin-right:10px;letter-spacing:1px
  }
  .group-desc{color:var(--ink-soft);font-size:15px;margin-bottom:20px;max-width:60em}
  .cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
  .card{
    position:relative;display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
    border-radius:var(--radius-lg);padding:26px 22px 20px;overflow:hidden;box-shadow:var(--shadow-sm);
    transition:transform .2s ease,box-shadow .22s ease,border-color .2s ease
  }
  .card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad-brand)}
  .card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:#CFE2D7}
  .card:focus-within{border-color:var(--brand)}
  .media{position:relative;width:100%;aspect-ratio:16/9;border-radius:var(--radius-md);overflow:hidden;background:#EEF1EC;margin-bottom:16px}
  .media .ph{
    position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;
    color:#8A9A92;font-size:12.5px;background:#EEF1EC;text-align:center;padding:0 12px
  }
  .media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .25s ease}
  .card:hover .media img{transform:scale(1.03)}
  .card h3{font-size:18.5px;font-weight:600;line-height:1.5;margin-bottom:8px}
  .card h3 a:hover{color:var(--brand)}
  .card p{font-size:14.5px;color:var(--ink-soft);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .card-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:16px;padding-top:14px;border-top:1px dashed var(--line)}
  .meta{display:flex;align-items:center;gap:10px;font-size:13px;color:#7B908A;font-variant-numeric:tabular-nums}
  .arrow{color:var(--brand);transition:transform .22s ease;display:inline-flex}
  .card:hover .arrow{transform:translateX(4px)}

  /* ============ 检查清单 ============ */
  .check-band{padding:26px 0 44px}
  .check-head{max-width:60em;margin-bottom:22px}
  .check-head h2{font-size:clamp(22px,2.6vw,28px);font-weight:700;line-height:1.35}
  .check-head p{margin-top:10px;color:var(--ink-soft);font-size:15px}
  .check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
  .check-item{
    display:flex;gap:16px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);
    padding:20px 22px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease
  }
  .check-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}
  .check-item .no{
    font-family:var(--num);font-size:30px;font-weight:800;line-height:1;
    background:var(--grad-data);-webkit-background-clip:text;background-clip:text;color:transparent;flex-shrink:0
  }
  .check-item h3{font-size:16.5px;font-weight:600;margin-bottom:6px}
  .check-item p{font-size:14.5px;color:var(--ink-soft);line-height:1.75}
  .stat-row{
    display:flex;flex-wrap:wrap;gap:10px;padding:22px 24px;margin-top:22px;
    background:#EFF6F1;border:1px solid var(--line);border-radius:var(--radius-lg)
  }

  /* ============ 通栏 CTA ============ */
  .cta-band{
    position:relative;margin:26px 0 60px;border-radius:24px;overflow:hidden;
    background:linear-gradient(135deg,#0B2E24 0%,#0E9E63 58%,#34D399 100%);color:#fff
  }
  .cta-band::after{
    content:"";position:absolute;right:-60px;top:-70px;width:280px;height:280px;border-radius:50%;
    background:radial-gradient(circle,rgba(198,242,78,.28),rgba(198,242,78,0) 68%)
  }
  .cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:26px;padding:36px 34px;flex-wrap:wrap}
  .cta-inner h2{font-size:clamp(21px,2.4vw,27px);font-weight:700;line-height:1.35}
  .cta-inner p{margin-top:8px;color:#D6EBE1;font-size:15px;max-width:36em}
  .cta-actions{display:flex;flex-wrap:wrap;gap:10px}
  .copy-tip{
    display:none;align-items:center;gap:8px;margin-top:14px;padding:10px 14px;border-radius:12px;
    background:rgba(255,255,255,.16);color:#fff;font-size:13.5px;width:100%
  }
  .copy-tip.show{display:inline-flex}

  /* ============ 页脚 ============ */
  .site-foot{background:var(--brand-deep);color:#CBD9D3;padding:54px 0 24px;margin-top:20px}
  .foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px}
  .foot-title{color:#fff;font-weight:700;font-size:15px;margin-bottom:12px}
  .foot-link{display:block;font-size:14.5px;color:#A9BDB3;padding:5px 0}
  .foot-link:hover{color:var(--lime)}
  .foot-bottom{
    margin-top:34px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);
    display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13.5px;color:#8FA79D
  }

  /* ============ 响应式 ============ */
  @media (max-width:1023px){
    .wall{grid-template-columns:1fr;gap:22px;padding-top:34px}
    .side-inner{position:static}
    .side-nav{flex-direction:row;overflow-x:auto;padding-bottom:6px;scrollbar-width:none;margin-bottom:12px}
    .side-nav::-webkit-scrollbar{display:none}
    .side-link{white-space:nowrap}
    .side-cta{width:auto;display:inline-flex}
    .foot-grid{grid-template-columns:1fr 1fr;gap:26px}
  }
  @media (max-width:899px){
    .search{display:none}
    .search-toggle{display:grid}
    .head-actions .btn-ghost{display:none}
  }
  @media (max-width:639px){
    body{font-size:16px}
    .top-row{height:64px;gap:12px}
    .logo-main{font-size:15.5px}
    .logo-sub{display:none}
    .logo-mark{width:34px;height:34px;border-radius:11px}
    .cards{grid-template-columns:1fr}
    .check-grid{grid-template-columns:1fr}
    .hero{border-radius:20px}
    .hero-inner{padding:30px 20px 28px}
    .hero h1{max-width:100%}
    .card{padding:22px 18px 18px}
    .cta-inner{padding:28px 20px}
    .cta-actions{width:100%}
    .cta-actions .btn{flex:1;min-width:0}
    .foot-grid{grid-template-columns:1fr;gap:24px}
    .tab{padding:8px 14px;font-size:14px}
  }

/* roulang page: category3 */
:root{
  --bg:#F6F7F3;
  --surface:#FFFFFF;
  --ink:#0A1F1A;
  --ink-soft:#3D564C;
  --brand:#0E9E63;
  --brand-deep:#0B2E24;
  --lime:#C6F24E;
  --coral:#FF6A3D;
  --line:#E3E8E0;
  --ring:rgba(14,158,99,.35);
  --grad-brand:linear-gradient(135deg,#0B2E24 0%,#0E9E63 55%,#34D399 100%);
  --grad-data:linear-gradient(90deg,#0E9E63,#C6F24E);
  --shadow-sm:0 4px 16px rgba(11,46,36,.06);
  --shadow-lg:0 12px 28px rgba(11,46,36,.12);
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:12px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"Noto Sans SC","PingFang SC","HarmonyOS Sans","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease;}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

.wrap{max-width:1200px;margin:0 auto;padding:0 16px;}
@media (min-width:640px){.wrap{padding:0 24px;}}

/* ---------- 顶部栏 ---------- */
.site-head{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(140%) blur(6px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-head.scrolled{box-shadow:var(--shadow-sm);}
.head-inner{
  display:flex;align-items:center;gap:16px;
  min-height:68px;
}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:38px;height:38px;border-radius:12px;
  background:var(--grad-brand);
  display:flex;align-items:center;justify-content:center;
  color:#fff;flex-shrink:0;
  box-shadow:0 6px 14px rgba(11,46,36,.18);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-main{font-size:16px;font-weight:700;letter-spacing:.2px;color:var(--ink);white-space:nowrap;}
.logo-sub{font-size:11px;color:var(--ink-soft);letter-spacing:.4px;white-space:nowrap;}
.search{
  flex:1;max-width:420px;margin-left:auto;
  display:flex;align-items:center;gap:8px;
  background:#F1F4EF;border:1px solid var(--line);
  border-radius:14px;padding:0 6px 0 12px;height:44px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search:focus-within{border-color:var(--brand);box-shadow:0 0 0 2px var(--ring);background:#fff;}
.search svg{color:var(--ink-soft);flex-shrink:0;}
.search input{
  flex:1;border:0;background:transparent;outline:none;
  font-size:14px;min-width:0;
}
.search input::placeholder{color:#7C9188;}
.search-btn{
  border:0;border-radius:10px;padding:8px 14px;cursor:pointer;
  background:var(--grad-brand);color:#fff;font-size:14px;font-weight:600;
  transition:filter .18s ease,transform .18s ease;
}
.search-btn:hover{filter:brightness(1.08);}
.search-btn:active{transform:translateY(1px);}
.head-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.head-search-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;cursor:pointer;
  align-items:center;justify-content:center;color:var(--brand-deep);
}
.head-search-toggle:hover{background:#F1F7F3;}
.head-search-panel{display:none;border-top:1px solid var(--line);background:#fff;padding:12px 0 16px;}
.head-search-panel.open{display:block;}
.head-search-panel .search{max-width:none;margin:0;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:12px;padding:11px 20px;font-size:14px;font-weight:600;
  cursor:pointer;border:1px solid transparent;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,filter .18s ease,color .18s ease;
}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 6px 16px rgba(14,158,99,.22);}
.btn-primary:hover{filter:brightness(1.07);transform:translateY(-1px);box-shadow:var(--shadow-lg);}
.btn-primary:active{transform:translateY(1px);box-shadow:none;}
.btn-ghost{background:#fff;color:var(--brand-deep);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);background:#F4FAF6;}
.btn-ghost:active{transform:translateY(1px);}
.btn-lime{background:var(--lime);color:var(--brand-deep);}
.btn-lime:hover{filter:brightness(1.04);transform:translateY(-1px);}
.btn-lime:active{transform:translateY(1px);}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.5);}
.btn-outline-light:hover{background:rgba(255,255,255,.14);border-color:#fff;}
.btn:disabled{opacity:.6;filter:saturate(.6);cursor:not-allowed;transform:none;}

/* ---------- 频道 Tabs ---------- */
.tabs-bar{
  background:#fff;border-bottom:1px solid var(--line);
  position:sticky;top:68px;z-index:40;
}
.tabs-scroll{
  display:flex;align-items:center;gap:10px;
  overflow-x:auto;padding:9px 0;
  scrollbar-width:none;-ms-overflow-style:none;
}
.tabs-scroll::-webkit-scrollbar{display:none;}
.tab{
  flex:0 0 auto;
  padding:8px 16px;border-radius:999px;
  font-size:14px;font-weight:500;color:var(--ink-soft);
  border:1px solid transparent;white-space:nowrap;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.tab:hover{background:#EFF7F1;color:var(--brand-deep);}
.tab.active{
  background:var(--brand-deep);color:var(--lime);font-weight:600;
  box-shadow:0 6px 14px rgba(11,46,36,.18);
}
.tab.active:hover{background:var(--brand-deep);color:var(--lime);}
.tabs-fade{
  position:absolute;right:0;top:0;bottom:0;width:44px;pointer-events:none;
  background:linear-gradient(90deg,rgba(255,255,255,0) 0%,#fff 85%);
}

/* ---------- 面包屑 ---------- */
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-soft);padding:18px 0 4px;
}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:#B9C7C0;}
.crumb .now{color:var(--brand-deep);font-weight:600;}

/* ---------- 区块 ---------- */
.sec{padding:44px 0;}
@media (min-width:768px){.sec{padding:64px 0;}}
@media (min-width:1024px){.sec{padding:76px 0;}}
.sec-tight{padding:34px 0;}
@media (min-width:768px){.sec-tight{padding:48px 0;}}
.sec-head{max-width:760px;margin-bottom:26px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:1.6px;
  color:var(--brand);text-transform:uppercase;margin-bottom:10px;
}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--grad-data);}
h1{font-size:clamp(28px,4.2vw,46px);line-height:1.2;font-weight:700;letter-spacing:-.4px;}
h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;font-weight:700;letter-spacing:-.2px;}
h3{font-size:19px;line-height:1.5;font-weight:600;}
.lead{font-size:16px;color:var(--ink-soft);line-height:1.8;}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;
  background:#EBF7EF;color:#0B5C3B;
  font-variant-numeric:tabular-nums;
  border:1px solid #D8EEE1;
}
.badge-dark{background:var(--brand-deep);color:var(--lime);border-color:transparent;}
.badge-coral{background:#FFEDE6;color:#B23C14;border-color:#FBD8CB;}
.badge-lime{background:var(--lime);color:var(--brand-deep);border-color:transparent;}
.badge-row{display:flex;flex-wrap:wrap;gap:8px;}

/* ---------- 图片容器与失败占位 ---------- */
.media{position:relative;overflow:hidden;background:#EDF1EC;border-radius:var(--radius-md);}
.media img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease;}
.media-fallback{
  display:none;position:absolute;inset:0;
  flex-direction:column;align-items:center;justify-content:center;gap:6px;
  background:#EDF1EC;color:#7C9188;font-size:12.5px;text-align:center;padding:12px;
}
.media.is-failed img{display:none;}
.media.is-failed .media-fallback{display:flex;}

/* ---------- 图文对照 ---------- */
.compare-grid{display:grid;grid-template-columns:1fr;gap:28px;}
@media (min-width:1024px){
  .compare-grid{grid-template-columns:5fr 6fr;gap:44px;align-items:start;}
  .compare-media{position:sticky;top:136px;}
}
.compare-media .media{aspect-ratio:4/3;border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);border:1px solid var(--line);}
.compare-media .figure-note{
  margin-top:12px;font-size:13px;color:var(--ink-soft);
  display:flex;align-items:flex-start;gap:8px;
}
.compare-media .figure-note svg{flex-shrink:0;margin-top:3px;color:var(--brand);}
.chapter{padding:22px 0;border-bottom:1px dashed var(--line);}
.chapter:first-child{padding-top:0;}
.chapter:last-child{border-bottom:0;padding-bottom:0;}
.chapter h3{margin-bottom:8px;display:flex;align-items:center;gap:10px;}
.chapter h3 .num{
  font-size:13px;font-weight:700;letter-spacing:1px;
  color:var(--brand);font-variant-numeric:tabular-nums;
  background:#EBF7EF;border-radius:8px;padding:3px 9px;flex-shrink:0;
}
.chapter p{font-size:16px;color:var(--ink-soft);line-height:1.85;margin-bottom:12px;}
.mini-badge-list{display:flex;flex-wrap:wrap;gap:8px;}

/* ---------- 数据条 ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:20px;box-shadow:var(--shadow-sm);
}
@media (min-width:768px){.stat-strip{grid-template-columns:repeat(4,minmax(0,1fr));padding:26px;gap:20px;}}
.stat-item{border-left:3px solid transparent;border-image:var(--grad-data) 1;padding-left:14px;}
.stat-item .num{
  font-size:clamp(24px,3vw,32px);font-weight:700;line-height:1.1;
  color:var(--brand-deep);font-variant-numeric:tabular-nums;
}
.stat-item .label{font-size:13px;color:var(--ink-soft);margin-top:4px;}
.stat-item.has-fallback{border-image:none;border-left-color:var(--line);}

/* ---------- 流程 ---------- */
.flow{display:grid;grid-template-columns:1fr;gap:16px;}
@media (min-width:640px){.flow{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (min-width:1024px){.flow{grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}}
.flow-step{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:24px 22px;box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  overflow:hidden;
}
.flow-step::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad-brand);
}
.flow-step:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:#CFE4D6;}
.flow-step .step-num{
  font-size:26px;font-weight:700;color:#C9D8CF;
  font-variant-numeric:tabular-nums;line-height:1;margin-bottom:10px;
}
.flow-step h3{font-size:17px;margin-bottom:8px;}
.flow-step p{font-size:14.5px;color:var(--ink-soft);line-height:1.75;}

/* ---------- 紧凑横向列表 ---------- */
.compact-list{display:flex;flex-direction:column;gap:16px;}
.compact-item{
  display:grid;grid-template-columns:112px 1fr;gap:16px;align-items:center;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:16px;box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
@media (min-width:768px){.compact-item{grid-template-columns:168px 1fr;gap:22px;padding:18px 22px;}}
.compact-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:#CFE4D6;}
.compact-item .media{aspect-ratio:4/3;border-radius:var(--radius-md);}
.compact-item .media img{transition:transform .24s ease;}
.compact-item:hover .media img{transform:scale(1.04);}
.compact-body h3{font-size:17px;margin-bottom:6px;line-height:1.5;}
@media (min-width:768px){.compact-body h3{font-size:19px;}}
.compact-body p{font-size:14.5px;color:var(--ink-soft);line-height:1.75;}
.compact-foot{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:10px;}
.arrow-link{
  display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:600;color:var(--brand);
}
.arrow-link svg{transition:transform .2s ease;}
.compact-item:hover .arrow-link svg{transform:translateX(4px);}

/* ---------- CTA 通栏 ---------- */
.cta-band{
  background:var(--grad-brand);color:#fff;border-radius:var(--radius-lg);
  padding:32px 24px;box-shadow:0 16px 34px rgba(11,46,36,.2);
  position:relative;overflow:hidden;
}
@media (min-width:768px){.cta-band{padding:44px 40px;}}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;
  border-radius:50%;background:rgba(198,242,78,.16);
}
.cta-inner{position:relative;z-index:1;display:flex;flex-direction:column;gap:22px;}
@media (min-width:1024px){.cta-inner{flex-direction:row;align-items:center;justify-content:space-between;}}
.cta-band h2{color:#fff;margin-bottom:8px;}
.cta-band p{color:rgba(255,255,255,.86);font-size:15px;max-width:46em;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- 页脚 ---------- */
.site-foot{background:var(--brand-deep);color:#fff;padding:46px 0 0;margin-top:20px;}
.foot-grid{display:grid;grid-template-columns:1fr;gap:28px;}
@media (min-width:768px){.foot-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}}
@media (min-width:1024px){.foot-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;}}
.foot-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:12px;letter-spacing:.4px;}
.foot-link{
  display:block;font-size:14px;color:#A9BDB3;padding:5px 0;
}
.foot-link:hover{color:var(--lime);}
.foot-bottom{
  margin-top:34px;border-top:1px solid rgba(255,255,255,.12);
  padding:18px 0;font-size:13px;color:#8FA79C;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
}

@media (max-width:1023px){
  .search{max-width:300px;}
}
@media (max-width:860px){
  .search{display:none;}
  .head-search-toggle{display:inline-flex;}
}
@media (max-width:520px){
  .head-actions .btn-ghost{display:none;}
  .logo-main{font-size:14px;}
  .logo-sub{font-size:10px;}
  .tabs-bar{top:68px;}
}

/* roulang page: category2 */
:root{
  --bg:#F6F7F3;
  --surface:#FFFFFF;
  --ink:#0A1F1A;
  --ink-soft:#3D564C;
  --brand:#0E9E63;
  --brand-deep:#0B2E24;
  --lime:#C6F24E;
  --coral:#FF6A3D;
  --line:#E3E8E0;
  --ring:rgba(14,158,99,.35);
  --grad-brand:linear-gradient(135deg,#0B2E24 0%,#0E9E63 55%,#34D399 100%);
  --grad-data:linear-gradient(90deg,#0E9E63,#C6F24E);
  --sh-1:0 4px 16px rgba(11,46,36,.06);
  --sh-2:0 12px 28px rgba(11,46,36,.12);
  --r-lg:22px;
  --r-md:16px;
  --r-sm:12px;
  --font-cn:"Noto Sans SC","PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-deep)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:.2px}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.num{font-variant-numeric:tabular-nums;font-weight:700}

.wrap{max-width:1200px;margin:0 auto;padding:0 16px}
@media (min-width:640px){.wrap{padding:0 24px}}

/* ---------- header ---------- */
.site-head{
  position:sticky;top:0;z-index:50;
  background:#FFFFFF;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-head.scrolled{box-shadow:0 8px 24px rgba(11,46,36,.08)}
.head-row{display:flex;align-items:center;gap:14px;height:68px}
.logo{display:flex;align-items:center;gap:10px;color:var(--ink);flex:0 0 auto}
.logo:hover{color:var(--ink)}
.logo-mark{
  width:38px;height:38px;flex:0 0 auto;
  border-radius:13px;
  background:var(--grad-brand);
  color:var(--lime);
  display:grid;place-items:center;
  box-shadow:0 6px 14px rgba(11,46,36,.18);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-main{font-size:16px;font-weight:700}
.logo-sub{font-size:12px;color:var(--ink-soft);font-weight:400}

.search-box{
  display:none;align-items:center;gap:8px;
  flex:1;max-width:420px;height:44px;
  padding:0 8px 0 14px;
  background:#F3F6F1;
  border:1px solid var(--line);
  border-radius:14px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px var(--ring)}
.search-box svg{flex:0 0 auto;color:var(--ink-soft)}
.search-box input{
  flex:1;height:100%;border:0;background:transparent;outline:none;
  font-size:14px;color:var(--ink);font-family:inherit;
}
.search-box input::placeholder{color:#8A9A92}
.search-btn{
  height:32px;padding:0 14px;border:0;border-radius:9px;
  background:var(--brand-deep);color:var(--lime);
  font-size:13px;font-weight:600;cursor:pointer;transition:filter .2s ease;
}
.search-btn:hover{filter:brightness(1.15)}

.head-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.search-toggle{
  margin-left:auto;width:44px;height:44px;flex:0 0 auto;
  display:grid;place-items:center;
  background:#F3F6F1;border:1px solid var(--line);border-radius:13px;
  color:var(--brand-deep);cursor:pointer;transition:background .2s ease;
}
.search-toggle:hover{background:#EAF7F0}

.mobile-search{display:none;padding:0 0 14px}
.mobile-search.open{display:block}
.mobile-search form{display:flex;gap:8px}
.mobile-search input{
  flex:1;height:46px;padding:0 14px;
  border:1px solid var(--line);border-radius:14px;background:#F8FAF6;
  font-size:14px;font-family:inherit;color:var(--ink);
}
.mobile-search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--ring)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;
  border-radius:12px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,filter .18s ease,background-color .18s ease,color .18s ease;
}
.btn:active{transform:translateY(1px);box-shadow:none}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 6px 18px rgba(11,46,36,.2)}
.btn-primary:hover{filter:brightness(1.07);transform:translateY(-1px);color:#fff}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:#EAF7F0;color:var(--brand-deep)}
.btn-soft{background:rgba(198,242,78,.32);color:var(--brand-deep);border-color:rgba(11,46,36,.12)}
.btn-soft:hover{background:rgba(198,242,78,.5);color:var(--brand-deep)}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:11px}

/* ---------- tabs ---------- */
.tabs-bar{background:#FBFCF9;border-top:1px solid var(--line)}
.tabs-scroll{
  display:flex;gap:8px;overflow-x:auto;
  padding:9px 0;margin:0;scrollbar-width:none;
}
.tabs-scroll::-webkit-scrollbar{display:none}
.tab{
  flex:0 0 auto;white-space:nowrap;
  padding:8px 15px;border-radius:999px;
  font-size:14.5px;color:var(--ink-soft);
  border:1px solid transparent;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.tab:hover{background:#EAF7F0;color:var(--brand-deep);border-color:#D4EDE0}
.tab.active{background:var(--brand-deep);color:var(--lime);border-color:var(--brand-deep)}
.tab.active:hover{color:var(--lime)}
.tabs-fade{
  position:absolute;right:0;top:0;bottom:0;width:52px;pointer-events:none;
  background:linear-gradient(90deg,rgba(251,252,249,0),#FBFCF9 75%);
}

/* ---------- sections ---------- */
.sec{padding:52px 0}
@media (min-width:768px){.sec{padding:72px 0}}
@media (min-width:1024px){.sec{padding:84px 0}}
.sec-tight{padding:40px 0}
.sec-head{max-width:760px;margin-bottom:26px}
.sec-head h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35}
.sec-head p{margin-top:10px;color:var(--ink-soft);font-size:16px}
.eyebrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:600;color:var(--brand);letter-spacing:.4px;
  margin-bottom:8px;
}
.eyebrow::before{content:"";width:18px;height:3px;border-radius:2px;background:var(--grad-data)}

.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-soft);padding:16px 0 0;
}
.crumb a{color:var(--ink-soft)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:#B9C6BE}

/* ---------- hero ---------- */
.pg-hero{
  position:relative;overflow:hidden;color:#fff;
  background:var(--brand-deep);
  border-radius:0;
}
.pg-hero .bgimg{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:cover;opacity:.32;
}
.pg-hero .veil{
  position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(11,46,36,.96) 0%,rgba(11,46,36,.82) 45%,rgba(14,158,99,.62) 100%);
}
.pg-hero .inner{position:relative;padding:48px 0 52px}
@media (min-width:768px){.pg-hero .inner{padding:64px 0 68px}}
.pg-hero h1{
  color:#fff;
  font-size:clamp(28px,4.2vw,46px);
  line-height:1.2;
  max-width:22em;
}
.pg-hero .lead{
  margin-top:14px;max-width:38em;
  font-size:16.5px;line-height:1.8;color:#D7E6DD;
}
.hero-badges{display:flex;flex-wrap:wrap;gap:9px;margin-top:22px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}

/* ---------- badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;line-height:1.4;
  background:rgba(198,242,78,.34);color:#0B2E24;
  font-variant-numeric:tabular-nums;
  white-space:nowrap;
}
.badge-dark{background:rgba(11,46,36,.86);color:var(--lime)}
.badge-line{background:#fff;color:var(--brand-deep);border:1px solid var(--line)}
.badge-coral{background:rgba(255,106,61,.14);color:#B7411D}
.badge-ghost{background:rgba(255,255,255,.16);color:#EAF7EF;border:1px solid rgba(255,255,255,.24)}

/* ---------- pills filter ---------- */
.pill-row{
  display:flex;gap:9px;overflow-x:auto;padding:4px 0 18px;
  scrollbar-width:none;
}
.pill-row::-webkit-scrollbar{display:none}
.pill{
  flex:0 0 auto;white-space:nowrap;
  height:40px;padding:0 18px;
  border-radius:999px;border:1px solid var(--line);
  background:#fff;color:var(--ink-soft);
  font-size:14px;font-weight:600;cursor:pointer;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .18s ease;
}
.pill:hover{background:#EAF7F0;color:var(--brand-deep);border-color:#CFE8DB}
.pill[aria-pressed="true"]{background:var(--brand);color:#fff;border-color:var(--brand);box-shadow:0 6px 16px rgba(14,158,99,.28)}

/* ---------- ladder ---------- */
.ladder{display:flex;flex-direction:column;gap:16px}
.ladder-item{
  position:relative;
  display:flex;gap:20px;align-items:flex-start;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:22px 24px 22px 28px;
  box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  color:var(--ink);
}
.ladder-item::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:4px;
  border-radius:0 4px 4px 0;background:var(--grad-data);
}
.ladder-item:hover{
  transform:translateY(-2px);
  box-shadow:var(--sh-2);
  border-color:#CDE6DA;
  color:var(--ink);
}
.ladder-no{
  flex:0 0 auto;min-width:62px;
  font-size:34px;line-height:1;font-weight:800;
  font-variant-numeric:tabular-nums;
  background:var(--grad-data);
  -webkit-background-clip:text;background-clip:text;
  color:transparent;
}
.ladder-main{flex:1;min-width:0}
.ladder-main h3{font-size:20px;line-height:1.5;font-weight:600}
.ladder-main p{
  margin-top:8px;color:var(--ink-soft);font-size:15.5px;line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.ladder-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.arrow{
  flex:0 0 auto;align-self:center;color:var(--brand);
  transition:transform .2s ease;
}
.ladder-item:hover .arrow{transform:translateX(4px)}

/* ---------- cards grid ---------- */
.grid-2{display:grid;gap:20px;grid-template-columns:1fr}
@media (min-width:768px){.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.grid-2{gap:24px}}

.card{
  position:relative;overflow:hidden;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  color:var(--ink);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#CDE6DA;color:var(--ink)}
.card::after{
  content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--grad-data);
}
.thumb{
  position:relative;width:100%;aspect-ratio:16/9;
  background:linear-gradient(180deg,#F1F4EF,#E7ECE6);
  overflow:hidden;
}
.thumb img{
  position:relative;z-index:1;width:100%;height:100%;object-fit:cover;
  transition:transform .25s ease;background:#EDF0EC;
}
.card:hover .thumb img{transform:scale(1.03)}
.thumb::after{
  content:"图片未能加载，稍后刷新重试";
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  font-size:12.5px;color:#8A9A92;white-space:nowrap;
}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:18px;line-height:1.5;font-weight:600}
.card-body p{
  color:var(--ink-soft);font-size:15px;line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{
  margin-top:auto;display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding-top:12px;border-top:1px dashed var(--line);
  font-size:13px;color:var(--ink-soft);
}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}

/* ---------- stats ---------- */
.stat-grid{
  display:grid;gap:14px;grid-template-columns:repeat(2,minmax(0,1fr));
}
@media (min-width:768px){.stat-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}}
.stat{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:18px 20px;box-shadow:var(--sh-1);
}
.stat .k{font-size:26px;line-height:1.2;font-weight:800;font-variant-numeric:tabular-nums;color:var(--brand-deep)}
.stat .k span{font-size:14px;font-weight:600;color:var(--brand);margin-left:2px}
.stat .v{margin-top:6px;font-size:13.5px;color:var(--ink-soft)}

/* ---------- steps ---------- */
.steps{display:grid;gap:16px;grid-template-columns:1fr;counter-reset:step}
@media (min-width:640px){.steps{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.steps{grid-template-columns:repeat(4,minmax(0,1fr))}}
.step{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:20px;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease;
}
.step:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.step .n{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:11px;
  background:rgba(198,242,78,.4);color:var(--brand-deep);
  font-weight:800;font-size:15px;font-variant-numeric:tabular-nums;
}
.step h3{margin-top:12px;font-size:17px}
.step p{margin-top:8px;color:var(--ink-soft);font-size:14.5px;line-height:1.75}

/* ---------- faq ---------- */
.faq{display:flex;flex-direction:column;gap:12px}
.faq-item{
  position:relative;overflow:hidden;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);box-shadow:var(--sh-1);
}
.faq-item::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;
  background:var(--grad-data);
}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:18px 22px;cursor:pointer;font-size:16.5px;font-weight:600;color:var(--ink);
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand)}
.chev{flex:0 0 auto;color:var(--brand);transition:transform .22s ease}
.faq-item[open] .chev{transform:rotate(90deg)}
.faq-body{padding:0 22px 20px;color:var(--ink-soft);font-size:15px;line-height:1.8}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--grad-brand);
  border-radius:24px;
  padding:30px 26px;
  color:#fff;
  display:flex;flex-wrap:wrap;gap:22px;align-items:center;justify-content:space-between;
  box-shadow:0 18px 40px rgba(11,46,36,.22);
}
.cta-band::after{
  content:"";position:absolute;right:-40px;top:-60px;width:220px;height:220px;
  border-radius:50%;background:rgba(198,242,78,.16);
}
.cta-band h2{color:#fff;font-size:clamp(20px,2.4vw,26px);line-height:1.35}
.cta-band p{margin-top:10px;color:#D8EADF;font-size:15px;max-width:34em}
.cta-actions{position:relative;display:flex;flex-wrap:wrap;gap:12px}
.cta-actions .btn-light{background:#fff;color:var(--brand-deep);border-color:#fff}
.cta-actions .btn-light:hover{background:#F0FBF4;color:var(--brand-deep)}
.cta-actions .btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.cta-actions .btn-outline:hover{background:rgba(255,255,255,.12);color:#fff}

/* ---------- notice ---------- */
.note{
  display:flex;gap:12px;align-items:flex-start;
  background:#F1F8E8;border:1px solid #DCEBC6;border-radius:var(--r-md);
  padding:16px 18px;color:var(--ink-soft);font-size:14.5px;line-height:1.75;
}
.note svg{flex:0 0 auto;color:var(--brand);margin-top:3px}

/* ---------- footer ---------- */
.site-foot{
  margin-top:56px;
  background:var(--brand-deep);
  color:#fff;
  padding:48px 0 22px;
}
.foot-grid{display:grid;gap:28px;grid-template-columns:1fr}
@media (min-width:768px){.foot-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.foot-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr}}
.site-foot .logo{color:#fff}
.site-foot .logo:hover{color:#fff}
.foot-title{color:#fff;font-size:15px;font-weight:700;margin-bottom:12px}
.foot-link{display:block;color:#A9BDB3;font-size:14px;padding:4px 0}
.foot-link:hover{color:var(--lime)}
.foot-bottom{
  margin-top:28px;padding-top:16px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between;
  font-size:13px;color:#93AAA0;
}
.site-foot p{font-size:14px}

/* ---------- responsive nav ---------- */
@media (max-width:1023px){
  .head-actions .btn-ghost{display:none}
}
@media (min-width:1024px){
  .search-box{display:flex}
  .search-toggle{display:none}
}
@media (max-width:767px){
  .head-row{height:64px}
  .logo-main{font-size:14.5px}
  .logo-sub{display:none}
  .ladder-item{padding:18px 18px 18px 22px;gap:14px}
  .ladder-no{min-width:46px;font-size:28px}
  .ladder-main h3{font-size:18px}
  .cta-band{padding:24px 20px;border-radius:20px}
}
@media (max-width:400px){
  .head-actions .btn{padding:0 14px;font-size:14px}
}