/* roulang page: index */
:root{
    --brand:#FF5A36;
    --brand-dark:#D93F1F;
    --brand-soft:#FF8A5B;
    --amber:#FFC24B;
    --ink:#0F5C4E;
    --page:#FFF7F1;
    --soft:#F5EFE9;
    --card:#FFFFFF;
    --line:#EDE4DC;
    --divider:#F0E8E1;
    --t-main:#1B1A19;
    --t-sub:#5C5855;
    --t-faint:#8A8480;
    --grad-brand:linear-gradient(135deg,#D93F1F 0%,#FF5A36 55%,#FFC24B 100%);
    --grad-line:linear-gradient(90deg,#FF5A36 0%,#FF8A5B 100%);
    --r-card:16px;
    --r-big:24px;
    --r-huge:28px;
    --shadow-rest:0 8px 24px rgba(27,26,25,0.06);
    --shadow-hover:0 16px 40px rgba(255,90,54,0.16);
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",sans-serif;
    font-size:16px;
    line-height:1.75;
    letter-spacing:.02em;
    color:var(--t-main);
    background:#FFF7F1;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button,input,select{font:inherit;color:inherit;}
  button{cursor:pointer;border:0;background:none;}
  h1,h2,h3,h4{margin:0;line-height:1.28;letter-spacing:.01em;}
  p{margin:0;}
  ul{margin:0;padding:0;list-style:none;}
  :focus-visible{outline:none;box-shadow:0 0 0 4px rgba(255,90,54,.24);border-radius:10px;}
  .num{font-variant-numeric:tabular-nums;}
  .container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
  @media (min-width:1024px){.container-x{padding:0 32px;}}
  .section{padding:48px 0;}
  @media (min-width:768px){.section{padding:64px 0;}}
  @media (min-width:1024px){.section{padding:88px 0;}}
  .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap;}
  .section-title{font-size:clamp(22px,2.8vw,32px);font-weight:700;}
  .section-sub{color:var(--t-sub);font-size:15px;margin-top:8px;}
  .text-link{color:var(--brand);font-weight:600;font-size:15px;display:inline-flex;align-items:center;gap:6px;transition:color .2s ease-out;}
  .text-link:hover{color:var(--brand-dark);text-decoration:underline;text-underline-offset:3px;}
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:999px;font-size:15px;font-weight:600;transition:all .2s ease-out;white-space:nowrap;}
  .btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 8px 20px rgba(255,90,54,.28);}
  .btn-primary:hover{filter:brightness(.94);transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,90,54,.32);}
  .btn-primary:active{transform:translateY(0);filter:brightness(.88);}
  .btn-ghost{background:#fff;color:var(--brand);border:1.5px solid var(--brand);}
  .btn-ghost:hover{background:rgba(255,90,54,.08);transform:translateY(-2px);}
  .btn-ghost:active{transform:translateY(0);}
  .btn-white{background:#fff;color:var(--ink);font-weight:700;}
  .btn-white:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(15,92,78,.18);}
  .btn-sm{height:38px;padding:0 18px;font-size:14px;}
  .badge{display:inline-flex;align-items:center;gap:5px;border-radius:999px;padding:4px 10px;font-size:12px;font-weight:700;}
  .badge-amber{background:var(--amber);color:#3A2A06;}
  .badge-ink{background:var(--ink);color:#fff;}
  .badge-outline{background:#fff;border:1px solid var(--line);color:var(--t-sub);font-weight:600;}
  .pill-grad{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:999px;font-size:13px;font-weight:700;color:var(--brand-dark);background:rgba(255,90,54,.08);border:1px solid rgba(255,90,54,.32);}
  .card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-rest);transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;overflow:hidden;}
  .card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(255,90,54,.35);}
  .card-media{position:relative;overflow:hidden;border-radius:12px;}
  .card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease-out;}
  .card:hover .card-media img{transform:scale(1.03);}
  .clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
  .hero-wrap{position:relative;overflow:hidden;background:linear-gradient(180deg,#FFFBF7 0%,#FFF7F1 100%);}
  .hero-glow{position:absolute;top:-180px;right:-160px;width:620px;height:620px;border-radius:50%;background:radial-gradient(circle,rgba(255,90,54,.12) 0%,rgba(255,90,54,0) 68%);pointer-events:none;}
  .hero-img{border-radius:28px;overflow:hidden;box-shadow:0 18px 48px rgba(27,26,25,.14);}
  .hero-img img{width:100%;height:100%;object-fit:cover;}
  .float-card{position:absolute;background:#fff;border-radius:16px;box-shadow:0 12px 32px rgba(27,26,25,.14);padding:12px 16px;}
  .stat-badges{display:flex;flex-wrap:wrap;gap:10px;}
  .stat-badges span{display:inline-flex;align-items:center;gap:6px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 14px;font-size:13px;font-weight:600;color:var(--t-sub);}
  .stat-badges b{color:var(--brand-dark);font-weight:800;}
  .nav-item{position:relative;font-size:15px;font-weight:500;color:var(--t-sub);padding:6px 2px;transition:color .2s ease-out;}
  .nav-item::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;border-radius:2px;background:var(--grad-line);transform:scaleX(0);transform-origin:left;transition:transform .2s ease-out;}
  .nav-item:hover{color:var(--brand);}
  .nav-item:hover::after{transform:scaleX(1);}
  .nav-item.active{color:var(--brand);font-weight:700;}
  .nav-item.active::after{transform:scaleX(1);}
  .search-box{height:40px;border-radius:999px;background:var(--soft);display:flex;align-items:center;gap:8px;padding:0 14px;transition:all .2s ease-out;}
  .search-box:focus-within{background:#fff;border:1px solid var(--brand);box-shadow:0 0 0 4px rgba(255,90,54,.14);}
  .search-box input{border:0;background:transparent;outline:none;width:100%;font-size:14px;color:var(--t-main);}
  .search-box input::placeholder{color:var(--t-faint);}
  .mobile-panel{max-height:0;overflow:hidden;transition:max-height .2s ease-out;}
  .mobile-panel.open{max-height:520px;}
  .rail{display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 2px 18px;scrollbar-width:none;}
  .rail::-webkit-scrollbar{display:none;}
  .rail-item{scroll-snap-align:start;flex:0 0 82vw;max-width:320px;}
  @media (min-width:768px){.rail-item{flex:0 0 320px;}}
  .arrow-btn{width:42px;height:42px;border-radius:50%;background:#fff;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;color:var(--t-sub);transition:all .2s ease-out;}
  .arrow-btn:hover{background:var(--grad-brand);color:#fff;border-color:transparent;}
  .guard-bar{background:var(--soft);border-radius:20px;padding:8px 0;}
  .guard-item{padding:18px 20px;}
  .guard-item+.guard-item{border-left:1px solid var(--line);}
  @media (max-width:767px){.guard-item+.guard-item{border-left:0;}}
  .faq-item{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:border-color .2s ease-out;position:relative;}
  .faq-item[open]{border-color:rgba(255,90,54,.35);}
  .faq-item[open]::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--grad-brand);}
  .faq-item summary{list-style:none;cursor:pointer;padding:18px 20px;font-size:17px;font-weight:600;display:flex;align-items:center;justify-content:space-between;gap:16px;}
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-arrow{transition:transform .25s ease-out;color:var(--brand);flex:0 0 auto;}
  .faq-item[open] .faq-arrow{transform:rotate(180deg);}
  .faq-body{padding:0 20px 20px;font-size:15px;line-height:1.75;color:var(--t-sub);}
  .cta-band{background:var(--grad-brand);border-radius:24px;padding:36px;color:#fff;}
  @media (min-width:1024px){.cta-band{padding:44px 48px;}}
  .empty-state{border:1.5px dashed var(--line);border-radius:20px;padding:56px 20px;text-align:center;background:#fff;}
  footer.site-footer{background:#0F5C4E;color:rgba(255,255,255,.72);position:relative;}
  footer.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad-brand);}
  footer.site-footer a{transition:color .2s ease-out;}
  footer.site-footer a:hover{color:var(--amber);}
  .foot-input{height:46px;border-radius:12px;border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.08);padding:0 14px;color:#fff;width:100%;outline:none;transition:all .2s ease-out;}
  .foot-input::placeholder{color:rgba(255,255,255,.5);}
  .foot-input:focus{border-color:var(--amber);background:rgba(255,255,255,.14);}
  .social-dot{width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.1);display:inline-flex;align-items:center;justify-content:center;transition:background .2s ease-out;}
  .social-dot:hover{background:rgba(255,194,75,.26);}
  .grid-cards{display:grid;grid-template-columns:1fr;gap:20px;}
  @media (min-width:768px){.grid-cards{grid-template-columns:repeat(2,1fr);}}
  @media (min-width:1024px){.grid-cards{grid-template-columns:repeat(4,1fr);}}
  .divide-soft{border-top:1px solid var(--divider);}
  @media (max-width:1023px){
    .hero-media{margin-top:32px;}
  }
  @media (max-width:767px){
    .hero-img{aspect-ratio:3/2;}
    .float-card.hide-sm{display:none;}
  }

/* roulang page: article */
:root{
    --brand:#FF5A36;
    --brand-dark:#D93F1F;
    --gold:#FFC24B;
    --ink:#0F5C4E;
    --bg:#FFF7F1;
    --soft:#F5EFE9;
    --card:#FFFFFF;
    --line:#EDE4DC;
    --divider:#F0E8E1;
    --t1:#1B1A19;
    --t2:#5C5855;
    --t3:#8A8480;
    --grad-brand:linear-gradient(135deg,#D93F1F 0%,#FF5A36 55%,#FFC24B 100%);
    --grad-line:linear-gradient(90deg,#FF5A36,#FF8A5B);
    --r-lg:24px;
    --r-md:16px;
    --r-sm:12px;
    --shadow-soft:0 8px 24px rgba(27,26,25,.06);
    --shadow-hover:0 16px 40px rgba(255,90,54,.16);
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--t1);
    font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",sans-serif;
    font-size:16px;
    line-height:1.75;
    letter-spacing:.02em;
    -webkit-font-smoothing:antialiased;
  }
  img{display:block;max-width:100%;height:auto;}
  a{color:var(--brand);text-decoration:none;transition:color .2s ease-out,background-color .2s ease-out;}
  a:hover{color:var(--brand-dark);}
  button,input,select{font:inherit;color:inherit;}
  button{cursor:pointer;border:0;background:none;}
  h1,h2,h3,h4{margin:0;letter-spacing:.01em;line-height:1.3;}
  p{margin:0;}
  ul{margin:0;padding:0;list-style:none;}
  :focus-visible{outline:none;box-shadow:0 0 0 4px rgba(255,90,54,.24);border-radius:8px;}
  .tabular{font-variant-numeric:tabular-nums;}

  /* 容器 */
  .container-x{max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
  @media (min-width:1024px){.container-x{padding-left:32px;padding-right:32px;}}

  /* 顶部导航 */
  .site-header{
    position:sticky;top:0;z-index:50;background:#fff;
    border-bottom:1px solid var(--line);
    box-shadow:0 1px 0 rgba(27,26,25,.04);
  }
  .header-inner{height:60px;display:flex;align-items:center;justify-content:space-between;gap:16px;}
  @media (min-width:1024px){.header-inner{height:68px;}}
  .brand-link{display:flex;align-items:center;gap:10px;flex-shrink:0;}
  .brand-text{font-size:18px;font-weight:800;color:var(--t1);letter-spacing:.01em;}
  .nav-item{
    position:relative;display:inline-block;padding:6px 0;
    font-size:15px;font-weight:500;color:var(--t2);
  }
  .nav-item::after{
    content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
    background:var(--grad-line);transform:scaleX(0);transform-origin:left;transition:transform .2s ease-out;
  }
  .nav-item:hover{color:var(--brand);}
  .nav-item:hover::after{transform:scaleX(1);}
  .nav-item.active{color:var(--brand);font-weight:700;}
  .nav-item.active::after{transform:scaleX(1);}

  .search-box{
    display:flex;align-items:center;gap:8px;height:40px;padding:0 14px;
    background:var(--soft);border:1px solid transparent;border-radius:999px;
    transition:background-color .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
  }
  .search-box:focus-within{background:#fff;border-color:var(--brand);box-shadow:0 0 0 4px rgba(255,90,54,.14);}
  .search-box input{border:0;background:transparent;outline:none;width:150px;font-size:14px;}
  .search-box input::placeholder{color:var(--t3);}

  .btn-main{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:44px;padding:0 22px;border-radius:999px;
    background:var(--grad-brand);color:#fff;font-size:15px;font-weight:600;
    box-shadow:0 6px 18px rgba(255,90,54,.22);
    transition:transform .2s ease-out,filter .2s ease-out,box-shadow .2s ease-out;
  }
  .btn-main:hover{color:#fff;filter:brightness(.94);transform:translateY(-2px);box-shadow:var(--shadow-hover);}
  .btn-main:active{transform:translateY(0);}
  .btn-sm{height:40px;padding:0 18px;font-size:14px;}
  .btn-ghost{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:44px;padding:0 22px;border-radius:999px;background:#fff;
    border:1.5px solid var(--brand);color:var(--brand);font-size:15px;font-weight:600;
    transition:background-color .2s ease-out,transform .2s ease-out,color .2s ease-out;
  }
  .btn-ghost:hover{background:rgba(255,90,54,.08);color:var(--brand-dark);transform:translateY(-2px);}
  .btn-ghost:active{transform:translateY(0);}
  .btn-light{
    display:inline-flex;align-items:center;justify-content:center;
    height:44px;padding:0 22px;border-radius:999px;background:#fff;color:var(--ink);
    font-size:15px;font-weight:700;transition:transform .2s ease-out,box-shadow .2s ease-out;
  }
  .btn-light:hover{color:var(--ink);transform:translateY(-2px);box-shadow:0 12px 26px rgba(15,92,78,.24);}

  .hamburger{
    width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
    display:inline-flex;align-items:center;justify-content:center;background:#fff;
    transition:border-color .2s ease-out,background-color .2s ease-out;
  }
  .hamburger:hover{border-color:rgba(255,90,54,.35);background:var(--soft);}
  .mobile-panel{
    display:none;background:#fff;border-bottom:1px solid var(--line);
    padding:8px 0 20px;
  }
  .mobile-panel.open{display:block;animation:slideDown .2s ease-out;}
  @keyframes slideDown{from{opacity:0;transform:translateY(-6px);}to{opacity:1;transform:translateY(0);}}
  .mobile-link{
    display:flex;align-items:center;height:48px;font-size:15px;font-weight:500;color:var(--t2);
    border-bottom:1px solid var(--divider);
  }
  .mobile-link.active{color:var(--brand);font-weight:700;}
  .mobile-mask{
    position:fixed;inset:0;background:rgba(27,26,25,.35);z-index:40;display:none;
  }
  .mobile-mask.open{display:block;}

  /* 面包屑 */
  .crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--t3);}
  .crumb a{color:var(--t3);}
  .crumb a:hover{color:var(--brand);}
  .crumb .sep{color:#CFC3B8;}
  .crumb .cur{color:var(--brand);max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

  /* 文章头 */
  .tag-pill{
    display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
    background:rgba(255,90,54,.08);color:var(--brand-dark);
    font-size:12px;font-weight:700;letter-spacing:.02em;
  }
  .badge-gold{
    display:inline-flex;align-items:center;gap:5px;padding:4px 10px;border-radius:999px;
    background:var(--gold);color:#4A2B00;font-size:11.5px;font-weight:700;
  }
  .badge-ink{
    display:inline-flex;align-items:center;gap:5px;padding:4px 10px;border-radius:999px;
    background:var(--ink);color:#EAF6F2;font-size:11.5px;font-weight:700;
  }
  .article-h1{
    font-size:clamp(24px,3.4vw,38px);font-weight:800;line-height:1.28;color:var(--t1);
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  }
  .meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:14px;color:var(--t3);}
  .meta-row .dot{width:4px;height:4px;border-radius:999px;background:#DCD1C7;display:inline-block;}

  .hero-cover{
    position:relative;border-radius:20px;overflow:hidden;border:1px solid var(--line);
    aspect-ratio:16/9;background:var(--soft);
  }
  .hero-cover img{width:100%;height:100%;object-fit:cover;}
  .hero-cover .cover-tag{
    position:absolute;left:16px;top:16px;
  }

  .data-strip{
    display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;
    background:var(--line);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  }
  @media (min-width:768px){.data-strip{grid-template-columns:repeat(4,minmax(0,1fr));}}
  .data-cell{background:#fff;padding:14px 16px;}
  .data-cell .k{font-size:12.5px;color:var(--t3);}
  .data-cell .v{font-size:15px;font-weight:700;color:var(--t1);margin-top:4px;}

  /* 正文排版 */
  .article-body{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
    padding:26px 20px;box-shadow:var(--shadow-soft);
    font-size:16.5px;line-height:1.9;color:#333130;letter-spacing:.02em;
  }
  @media (min-width:768px){.article-body{padding:40px 44px;}}
  .article-body > * + *{margin-top:1.1em;}
  .article-body h2{
    position:relative;padding-left:16px;margin-top:28px;font-size:22px;font-weight:700;color:var(--t1);
  }
  .article-body h2::before{
    content:"";position:absolute;left:0;top:.22em;width:4px;height:1.05em;border-radius:3px;
    background:var(--grad-brand);
  }
  .article-body h3{font-size:19px;font-weight:700;color:var(--t1);margin-top:22px;}
  .article-body h4{font-size:17px;font-weight:600;color:var(--t1);margin-top:18px;}
  .article-body p{color:#333130;}
  .article-body strong{color:var(--ink);font-weight:700;}
  .article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
  .article-body a:hover{color:var(--brand-dark);}
  .article-body blockquote{
    margin:24px 0;padding:16px 18px;border-left:4px solid var(--brand);
    background:rgba(255,90,54,.06);border-radius:12px;color:#4A3B33;font-size:16px;
  }
  .article-body blockquote p{margin:0;color:#4A3B33;}
  .article-body ul,.article-body ol{padding-left:4px;}
  .article-body ul > li{position:relative;padding-left:20px;margin:8px 0;}
  .article-body ul > li::before{
    content:"";position:absolute;left:2px;top:.68em;width:6px;height:6px;border-radius:2px;
    background:rgba(255,90,54,.6);
  }
  .article-body ol{padding-left:22px;list-style:decimal;}
  .article-body ol > li{margin:8px 0;}
  .article-body img{border-radius:16px;margin:22px auto;}
  .article-body figure{margin:22px 0;}
  .article-body figcaption{text-align:center;font-size:13px;color:var(--t3);margin-top:10px;}
  .article-body table{
    width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;
    border:1px solid var(--line);border-radius:12px;overflow:hidden;
  }
  .article-body thead th{background:var(--soft);font-weight:700;color:var(--t1);}
  .article-body th,.article-body td{
    border:1px solid var(--line);padding:12px;text-align:left;vertical-align:top;
  }
  .article-body pre{
    background:#0F5C4E;color:#EAF6F2;border-radius:12px;padding:16px 18px;
    overflow-x:auto;font-size:14px;line-height:1.7;
  }
  .article-body code{
    background:rgba(15,92,78,.08);color:var(--ink);border-radius:6px;padding:2px 6px;font-size:14px;
  }
  .article-body pre code{background:transparent;color:inherit;padding:0;}
  .article-body hr{border:0;border-top:1px solid var(--divider);margin:28px 0;}

  /* 侧栏 */
  .sidebar-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
    padding:18px;box-shadow:var(--shadow-soft);
  }
  .sidebar-title{font-size:16px;font-weight:700;color:var(--t1);display:flex;align-items:center;gap:8px;}
  .sidebar-title span.line{display:inline-block;width:16px;height:3px;border-radius:3px;background:var(--grad-brand);}
  .side-link{
    display:flex;gap:10px;align-items:flex-start;padding:10px;border-radius:12px;
    color:var(--t2);font-size:14.5px;line-height:1.6;transition:background-color .2s ease-out,color .2s ease-out;
  }
  .side-link:hover{background:var(--bg);color:var(--brand-dark);}
  .side-link .idx{
    flex:0 0 auto;width:22px;height:22px;border-radius:7px;background:rgba(255,90,54,.1);
    color:var(--brand-dark);font-size:12px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;
    margin-top:2px;
  }

  /* 相关推荐卡片 */
  .rec-card{
    display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
    border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow-soft);
    transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
    height:100%;
  }
  .rec-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(255,90,54,.35);}
  .rec-card .thumb{aspect-ratio:16/9;overflow:hidden;background:var(--soft);}
  .rec-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
  .rec-card:hover .thumb img{transform:scale(1.03);}
  .rec-card .body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:10px;flex:1;}
  .rec-card h3{font-size:17px;font-weight:700;color:var(--t1);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
  .rec-card .desc{
    font-size:14px;color:var(--t2);line-height:1.65;
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  }
  .rec-card .foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--t3);}

  /* CTA */
  .cta-band{
    background:var(--grad-brand);border-radius:24px;padding:28px 22px;
    display:flex;flex-direction:column;gap:18px;align-items:flex-start;
    box-shadow:0 14px 34px rgba(255,90,54,.22);
  }
  @media (min-width:768px){.cta-band{flex-direction:row;align-items:center;justify-content:space-between;padding:34px 40px;}}
  .cta-band h2{color:#fff;font-size:clamp(20px,2.4vw,28px);font-weight:800;}
  .cta-band p{color:rgba(255,255,255,.9);font-size:15px;margin-top:8px;}

  /* 空态 */
  .empty-state{
    border:1.5px dashed var(--line);border-radius:20px;padding:56px 24px;text-align:center;background:#fff;
  }
  .empty-state .ico{
    width:40px;height:40px;margin:0 auto 16px;border-radius:14px;background:rgba(255,90,54,.08);
    display:flex;align-items:center;justify-content:center;
  }
  .empty-state p{font-size:16px;color:var(--t2);}

  /* 页脚 */
  .site-footer{
    position:relative;background:var(--ink);color:rgba(255,255,255,.72);margin-top:72px;
  }
  .site-footer::before{
    content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--grad-brand);
  }
  .site-footer h3{font-size:16px;font-weight:700;color:#fff;}
  .site-footer a{color:rgba(255,255,255,.72);}
  .site-footer a:hover{color:var(--gold);}
  .social-dot{
    width:36px;height:36px;border-radius:999px;background:rgba(255,255,255,.12);
    display:inline-flex;align-items:center;justify-content:center;
    transition:background-color .2s ease-out,transform .2s ease-out;
  }
  .social-dot:hover{background:rgba(255,194,75,.24);transform:translateY(-2px);}
  .footer-input{
    height:46px;border-radius:12px;border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.08);
    color:#fff;padding:0 14px;width:100%;outline:none;
    transition:border-color .2s ease-out,box-shadow .2s ease-out,background-color .2s ease-out;
  }
  .footer-input::placeholder{color:rgba(255,255,255,.5);}
  .footer-input:focus{border-color:var(--gold);background:rgba(255,255,255,.14);box-shadow:0 0 0 4px rgba(255,194,75,.18);}
  .footer-bottom{
    border-top:1px solid rgba(255,255,255,.14);margin-top:40px;padding-top:22px;
    font-size:13px;color:rgba(255,255,255,.6);display:flex;flex-direction:column;gap:8px;
  }
  @media (min-width:768px){.footer-bottom{flex-direction:row;align-items:center;justify-content:space-between;}}

/* roulang page: category1 */
:root{
  --brand:#FF5A36;
  --brand-dark:#D93F1F;
  --amber:#FFC24B;
  --ink:#0F5C4E;
  --bg:#FFF7F1;
  --soft:#F5EFE9;
  --card:#FFFFFF;
  --border:#EDE4DC;
  --div:#F0E8E1;
  --t1:#1B1A19;
  --t2:#5C5855;
  --t3:#8A8480;
  --grad:linear-gradient(135deg,#D93F1F 0%,#FF5A36 55%,#FFC24B 100%);
  --grad-90:linear-gradient(90deg,#FF5A36,#FF8A5B);
  --sh-s:0 8px 24px rgba(27,26,25,.06);
  --sh-h:0 16px 40px rgba(255,90,54,.16);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--t1);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",sans-serif;
  font-size:16px;
  line-height:1.75;
  letter-spacing:.02em;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
a:hover{color:var(--brand)}
button,input,select{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:.01em;line-height:1.28}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:none;box-shadow:0 0 0 4px rgba(255,90,54,.24);border-radius:12px}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){.container-x{padding:0 32px}}
.tnum{font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--border);
  box-shadow:0 1px 0 rgba(27,26,25,.04);
}
.header-inner{display:flex;align-items:center;gap:20px;height:60px}
@media (min-width:1024px){.header-inner{height:68px;gap:28px}}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-text{font-size:18px;font-weight:800;color:var(--t1);letter-spacing:.01em}
.brand:hover .brand-text{color:var(--brand)}
.nav-item{position:relative;display:inline-block;padding:6px 2px;font-size:15px;font-weight:500;color:var(--t2);transition:color .2s ease-out}
.nav-item::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--grad-90);transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease-out;
}
.nav-item:hover{color:var(--brand)}
.nav-item:hover::after{transform:scaleX(1)}
.nav-item.active{color:var(--brand);font-weight:600}
.nav-item.active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.search-box{
  display:flex;align-items:center;gap:8px;height:40px;width:230px;padding:0 14px;
  border-radius:999px;background:var(--soft);border:1px solid transparent;
  transition:background .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.search-box:focus-within{background:#fff;border-color:var(--brand);box-shadow:0 0 0 4px rgba(255,90,54,.14)}
.search-box svg{flex:0 0 auto;color:var(--t3)}
.search-box input{width:100%;border:0;background:transparent;outline:none;font-size:14px}
.search-box input::placeholder{color:var(--t3)}
.menu-toggle{
  display:inline-grid;place-items:center;width:42px;height:42px;border-radius:12px;
  background:#fff;border:1px solid var(--border);cursor:pointer;transition:border-color .2s ease-out,background .2s ease-out;
}
.menu-toggle:hover{border-color:rgba(255,90,54,.35);background:rgba(255,90,54,.06)}
@media (min-width:1024px){.menu-toggle{display:none}}
.mobile-panel{display:none;background:#fff;border-top:1px solid var(--border);padding:8px 0 20px}
.mobile-panel.open{display:block;animation:panelIn .2s ease-out}
@keyframes panelIn{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}
.mobile-link{display:flex;align-items:center;height:48px;padding:0 20px;font-size:15px;color:var(--t2);border-bottom:1px solid var(--div);transition:background .2s ease-out,color .2s ease-out}
.mobile-link:hover{background:#FFF7F1;color:var(--brand)}
.mobile-link.active{color:var(--brand);font-weight:600;background:rgba(255,90,54,.07)}

/* ---------- buttons ---------- */
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:999px;border:0;cursor:pointer;
  background:var(--grad);color:#fff;font-size:15px;font-weight:600;
  box-shadow:var(--sh-s);
  transition:transform .2s ease-out,filter .2s ease-out,box-shadow .2s ease-out;
}
.btn-primary:hover{color:#fff;filter:brightness(.94);transform:translateY(-2px);box-shadow:var(--sh-h)}
.btn-primary:active{transform:translateY(0);filter:brightness(.88)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:999px;background:#fff;
  border:1.5px solid var(--brand);color:var(--brand);font-size:15px;font-weight:600;
  transition:background .2s ease-out,color .2s ease-out,transform .2s ease-out,border-color .2s ease-out;
}
.btn-ghost:hover{background:rgba(255,90,54,.08);color:var(--brand-dark);border-color:var(--brand-dark);transform:translateY(-2px)}
.btn-white{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:999px;background:#fff;color:var(--ink);
  font-size:15px;font-weight:700;border:0;cursor:pointer;
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.btn-white:hover{color:var(--ink);transform:translateY(-2px);box-shadow:0 14px 30px rgba(15,92,78,.24)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}

/* ---------- tags / badges ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:999px;font-size:12px;font-weight:700;
  background:rgba(255,90,54,.08);color:var(--brand-dark);
}
.badge-ink{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;background:var(--ink);color:#fff;font-size:12px;font-weight:700}
.badge-amber{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;background:var(--amber);color:#3A2A06;font-size:12px;font-weight:700}

/* ---------- page banner ---------- */
.page-banner{
  position:relative;overflow:hidden;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  border-bottom-left-radius:28px;border-bottom-right-radius:28px;
}
.page-banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(15,92,78,.94) 0%,rgba(217,63,31,.84) 100%);
}
.page-banner .banner-inner{position:relative;z-index:1;padding:34px 0 38px}
@media (min-width:768px){.page-banner .banner-inner{padding:46px 0 50px}}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.8)}
.crumb a{color:rgba(255,255,255,.8)}
.crumb a:hover{color:var(--amber)}
.crumb .sep{opacity:.6}
.crumb .cur{color:#fff;font-weight:600}
.banner-title{font-size:clamp(28px,4.4vw,44px);font-weight:800;color:#fff;margin-top:16px}
.banner-sub{margin-top:12px;max-width:760px;font-size:16px;line-height:1.8;color:rgba(255,255,255,.9)}
.banner-stats{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.stat-pill{
  display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);
  color:#fff;font-size:13px;font-weight:600;
}
.stat-pill b{font-size:15px;font-weight:800;font-variant-numeric:tabular-nums}

/* ---------- chips / filter ---------- */
.chip-row{
  display:flex;gap:10px;overflow-x:auto;padding:4px 0 6px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.chip-row::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;display:inline-flex;align-items:center;height:40px;padding:0 18px;
  border-radius:999px;background:#fff;border:1px solid var(--border);
  font-size:14px;font-weight:500;color:var(--t2);
  transition:background .2s ease-out,color .2s ease-out,border-color .2s ease-out,transform .2s ease-out;
}
.chip:hover{color:var(--brand);border-color:rgba(255,90,54,.35);transform:translateY(-2px)}
.chip.active{background:var(--grad);color:#fff;border-color:transparent;font-weight:600;box-shadow:0 8px 24px rgba(255,90,54,.22)}
.chip.active:hover{color:#fff}
.filter-bar{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  margin-top:18px;padding:10px 14px;background:#fff;border:1px solid var(--border);border-radius:12px;
}
.filter-left{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--t2)}
.filter-select{
  height:38px;padding:0 34px 0 14px;border-radius:10px;border:1px solid var(--border);
  background:#fff url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%238A8480' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") no-repeat right 12px center;
  font-size:14px;appearance:none;cursor:pointer;transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.filter-select:hover{border-color:rgba(255,90,54,.35)}
.filter-select:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(255,90,54,.14);outline:none}
.view-switch{display:flex;gap:6px}
.view-btn{
  display:inline-grid;place-items:center;width:36px;height:36px;border-radius:10px;
  background:#fff;border:1px solid var(--border);color:var(--t3);cursor:pointer;
  transition:color .2s ease-out,border-color .2s ease-out,background .2s ease-out;
}
.view-btn:hover{color:var(--brand);border-color:rgba(255,90,54,.35)}
.view-btn.active{background:rgba(255,90,54,.08);color:var(--brand);border-color:rgba(255,90,54,.35)}

/* ---------- section head ---------- */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap}
.section-title{font-size:clamp(22px,2.6vw,30px);font-weight:700;color:var(--t1)}
.section-desc{margin-top:8px;font-size:15px;color:var(--t2)}
.link-more{font-size:15px;font-weight:600;color:var(--brand);transition:color .2s ease-out}
.link-more:hover{color:var(--brand-dark);text-decoration:underline;text-underline-offset:3px}

/* ---------- row list (左图右文) ---------- */
.row-list{margin-top:26px;background:#fff;border:1px solid var(--border);border-radius:20px;padding:4px 20px;box-shadow:var(--sh-s)}
@media (min-width:768px){.row-list{padding:4px 24px}}
.row-item{
  display:grid;grid-template-columns:1fr;gap:16px;
  padding:22px 0;border-bottom:1px solid var(--div);
  transition:background .2s ease-out;
}
.row-item:last-child{border-bottom:0}
@media (min-width:768px){
  .row-item{grid-template-columns:38% 1fr;gap:24px;align-items:flex-start}
}
.row-item:hover{background:#FFF7F1}
.row-thumb{
  display:block;overflow:hidden;border-radius:16px;border:1px solid var(--border);
  background:var(--soft);
}
.row-thumb img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .3s ease-out}
@media (min-width:768px){.row-thumb img{aspect-ratio:16/11}}
.row-item:hover .row-thumb img{transform:scale(1.03)}
.row-body h3{margin-top:12px;font-size:18px;font-weight:700;color:var(--t1)}
@media (min-width:768px){.row-body h3{font-size:20px}}
.row-body h3 a{transition:color .2s ease-out}
.row-body p{margin-top:10px;font-size:15px;line-height:1.85;color:var(--t2)}
.row-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:14px;font-size:13px;color:var(--t3);font-variant-numeric:tabular-nums}
.row-meta span{display:inline-flex;align-items:center;gap:6px}
.row-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}

/* ---------- band ---------- */
.band{
  display:flex;align-items:flex-start;gap:12px;margin:24px 0 6px;padding:18px 22px;
  background:var(--soft);border-radius:20px;font-size:15px;line-height:1.8;color:var(--t2);
}
.band svg{flex:0 0 auto;color:var(--brand);margin-top:3px}
.band b{color:var(--t2);font-weight:700}

/* ---------- CTA ---------- */
.cta-box{
  position:relative;overflow:hidden;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;
  padding:30px;border-radius:24px;background:var(--grad);color:#fff;
}
@media (min-width:768px){.cta-box{padding:38px 40px}}
.cta-box::after{
  content:"";position:absolute;right:-60px;top:-70px;width:260px;height:260px;border-radius:999px;
  background:radial-gradient(circle,rgba(255,255,255,.35),rgba(255,255,255,0) 70%);
}
.cta-title{position:relative;z-index:1;font-size:clamp(20px,2.4vw,28px);font-weight:800;color:#fff}
.cta-sub{position:relative;z-index:1;margin-top:10px;max-width:640px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.92)}
.cta-box .btn-white{position:relative;z-index:1}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;margin-top:26px}
.faq-item{
  position:relative;background:#fff;border:1px solid var(--border);border-radius:16px;
  overflow:hidden;transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--grad);
  opacity:0;transition:opacity .2s ease-out;
}
.faq-item[open]{border-color:rgba(255,90,54,.35);box-shadow:var(--sh-s)}
.faq-item[open]::before{opacity:1}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;list-style:none;cursor:pointer;font-size:17px;font-weight:600;color:var(--t1);
  transition:color .2s ease-out;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand)}
.faq-arrow{flex:0 0 auto;color:var(--brand);transition:transform .2s ease-out}
.faq-item[open] .faq-arrow{transform:rotate(180deg)}
.faq-body{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--t2)}
.faq-body p + p{margin-top:10px}

/* ---------- related grid ---------- */
.related-grid{display:grid;grid-template-columns:1fr;gap:16px;margin-top:26px}
@media (min-width:640px){.related-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.related-grid{grid-template-columns:repeat(4,1fr)}}
.related-card{
  display:block;padding:20px;background:#fff;border:1px solid var(--border);border-radius:16px;
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h);border-color:rgba(255,90,54,.35)}
.related-card h3{margin-top:12px;font-size:17px;font-weight:700;color:var(--t1)}
.related-card p{margin-top:8px;font-size:14px;line-height:1.75;color:var(--t2)}

/* ---------- footer ---------- */
.site-footer{position:relative;margin-top:80px;background:var(--ink);color:rgba(255,255,255,.72)}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad)}
.site-footer a{color:rgba(255,255,255,.72);transition:color .2s ease-out}
.site-footer a:hover{color:var(--amber)}
.foot-title{font-size:16px;font-weight:700;color:#fff}
.foot-list{display:flex;flex-direction:column;gap:12px;margin-top:16px;font-size:14px}
.social-dot{
  display:inline-grid;place-items:center;width:36px;height:36px;border-radius:999px;
  background:rgba(255,255,255,.12);
  transition:background .2s ease-out,transform .2s ease-out;
}
.social-dot:hover{background:rgba(255,194,75,.85);transform:translateY(-2px)}
.foot-input{
  height:46px;width:100%;padding:0 14px;border-radius:12px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);color:#fff;
  transition:border-color .2s ease-out,box-shadow .2s ease-out,background .2s ease-out;
}
.foot-input::placeholder{color:rgba(255,255,255,.55)}
.foot-input:focus{outline:none;background:rgba(255,255,255,.16);border-color:var(--amber);box-shadow:0 0 0 4px rgba(255,194,75,.18)}
.foot-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.16);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* roulang page: category3 */
:root{
  --brand:#FF5A36;
  --brand-dark:#D93F1F;
  --gold:#FFC24B;
  --ink:#0F5C4E;
  --bg:#FFF7F1;
  --soft:#F5EFE9;
  --card:#FFFFFF;
  --line:#EDE4DC;
  --div:#F0E8E1;
  --t1:#1B1A19;
  --t2:#5C5855;
  --t3:#8A8480;
  --grad:linear-gradient(135deg,#D93F1F 0%,#FF5A36 52%,#FFC24B 100%);
  --grad-h:linear-gradient(90deg,#FF5A36 0%,#FF8A5B 100%);
  --r-lg:28px;
  --r-md:16px;
  --r-sm:12px;
  --shadow-soft:0 8px 24px rgba(27,26,25,.06);
  --shadow-hover:0 16px 40px rgba(255,90,54,.16);
  --ease:200ms ease-out;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--t1);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",sans-serif;
  font-size:16px;
  line-height:1.75;
  letter-spacing:.02em;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;object-fit:cover;}
a{color:inherit;text-decoration:none;}
a:hover{color:var(--brand);}
h1,h2,h3,h4{margin:0;letter-spacing:.01em;line-height:1.28;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button,input,select{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:none;box-shadow:0 0 0 4px rgba(255,90,54,.24);border-radius:8px;}
.container-x{max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
@media (min-width:1024px){.container-x{padding-left:32px;padding-right:32px;}}
.section{padding-top:48px;padding-bottom:48px;}
@media (min-width:768px){.section{padding-top:64px;padding-bottom:64px;}}
@media (min-width:1024px){.section{padding-top:88px;padding-bottom:88px;}}
.tnum{font-variant-numeric:tabular-nums;}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 0 rgba(27,26,25,.04);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:60px;gap:16px;}
@media (min-width:768px){.header-inner{height:68px;}}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-text{font-size:18px;font-weight:800;letter-spacing:.01em;color:var(--t1);}
.nav-item{
  position:relative;display:inline-block;
  font-size:15px;font-weight:500;color:var(--t2);
  padding:6px 2px;transition:color var(--ease);
}
.nav-item::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform var(--ease);
}
.nav-item:hover{color:var(--brand);}
.nav-item:hover::after{transform:scaleX(1);}
.nav-item.active{color:var(--brand);font-weight:700;}
.nav-item.active::after{transform:scaleX(1);}
.search-form{position:relative;display:flex;align-items:center;}
.search-input{
  height:40px;width:200px;border-radius:999px;border:1px solid transparent;
  background:var(--soft);padding:0 18px 0 40px;font-size:14px;color:var(--t1);
  transition:all var(--ease);
}
.search-input::placeholder{color:var(--t3);}
.search-input:focus{
  background:#fff;border-color:var(--brand);box-shadow:0 0 0 4px rgba(255,90,54,.14);outline:none;
}
.search-icon{position:absolute;left:14px;top:50%;transform:translateY(-50%);pointer-events:none;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  height:44px;padding:0 22px;border-radius:999px;font-size:15px;font-weight:600;
  transition:all var(--ease);white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(255,90,54,.22);}
.btn-primary:hover{color:#fff;filter:brightness(.94);transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.btn-primary:active{transform:translateY(0);filter:brightness(.88);}
.btn-outline{background:#fff;border:1.5px solid var(--brand);color:var(--brand);}
.btn-outline:hover{background:rgba(255,90,54,.08);color:var(--brand-dark);transform:translateY(-2px);}
.btn-white{background:#fff;color:var(--ink);font-weight:700;}
.btn-white:hover{color:var(--ink);transform:translateY(-2px);box-shadow:0 12px 28px rgba(15,92,78,.22);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-capsule{height:46px;padding:0 30px;border-radius:999px;background:#fff;border:1.5px solid var(--line);color:var(--t2);font-weight:600;transition:all var(--ease);}
.btn-capsule:hover{border-color:rgba(255,90,54,.5);color:var(--brand);transform:translateY(-2px);}
.text-link{color:var(--brand);font-weight:600;font-size:15px;transition:all var(--ease);}
.text-link:hover{color:var(--brand-dark);text-decoration:underline;text-underline-offset:3px;}
.burger{
  display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;
  border-radius:12px;border:1px solid var(--line);background:#fff;transition:all var(--ease);
}
.burger:hover{border-color:rgba(255,90,54,.4);background:rgba(255,90,54,.06);}
.mobile-mask{
  position:fixed;inset:0;background:rgba(27,26,25,.35);z-index:70;opacity:0;visibility:hidden;
  transition:opacity var(--ease),visibility var(--ease);
}
.mobile-mask.open{opacity:1;visibility:visible;}
.mobile-panel{
  position:fixed;top:0;right:0;width:min(86vw,360px);height:100%;background:#fff;z-index:80;
  padding:20px;transform:translateX(102%);transition:transform var(--ease);overflow-y:auto;
  box-shadow:-12px 0 40px rgba(27,26,25,.12);
}
.mobile-panel.open{transform:translateX(0);}
.mobile-link{
  display:flex;align-items:center;height:48px;padding:0 4px;font-size:16px;font-weight:500;color:var(--t2);
  border-bottom:1px solid var(--div);transition:all var(--ease);
}
.mobile-link:hover,.mobile-link.active{color:var(--brand);font-weight:700;padding-left:10px;}

/* ---------- breadcrumb / chips / sort bar ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--t3);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:#C9BEB5;}
.crumb .current{color:var(--brand);font-weight:600;}
.chip-row{
  display:flex;gap:12px;overflow-x:auto;padding:4px 2px 10px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.chip-row::-webkit-scrollbar{display:none;}
.chip{
  flex:0 0 auto;display:inline-flex;align-items:center;height:40px;padding:0 20px;
  border-radius:999px;background:#fff;border:1px solid var(--line);color:var(--t2);
  font-size:14.5px;font-weight:600;transition:all var(--ease);
}
.chip:hover{border-color:rgba(255,90,54,.45);color:var(--brand);transform:translateY(-2px);}
.chip.is-current{background:var(--grad);border-color:transparent;color:#fff;box-shadow:0 8px 20px rgba(255,90,54,.24);}
.sort-bar{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 14px;
}
.sort-select{
  height:38px;border-radius:10px;border:1px solid var(--line);background:#fff;
  padding:0 12px;font-size:14px;color:var(--t2);transition:all var(--ease);
}
.sort-select:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(255,90,54,.14);outline:none;}
.view-toggle{display:inline-flex;gap:6px;}
.view-btn{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;transition:all var(--ease);
}
.view-btn:hover{border-color:rgba(255,90,54,.45);background:rgba(255,90,54,.06);}
.view-btn.is-current{background:var(--grad);border-color:transparent;}

/* ---------- hero (category) ---------- */
.cat-hero{
  position:relative;overflow:hidden;background:#fff;border-bottom:1px solid var(--line);
}
.cat-hero::after{
  content:"";position:absolute;width:520px;height:520px;right:-160px;top:-220px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,90,54,.14) 0%,rgba(255,90,54,0) 70%);pointer-events:none;
}
.cat-title{font-size:clamp(26px,4.2vw,44px);font-weight:800;line-height:1.2;}
.cat-sub{font-size:16px;color:var(--t2);max-width:760px;}

/* ---------- metric strip ---------- */
.metric-strip{
  background:#fff;border:1px solid var(--line);border-radius:20px;
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
}
@media (min-width:768px){.metric-strip{grid-template-columns:repeat(4,minmax(0,1fr));}}
.metric-cell{padding:20px 22px;border-bottom:1px solid var(--div);}
.metric-cell:nth-child(odd){border-right:1px solid var(--div);}
@media (min-width:768px){
  .metric-cell{border-bottom:0;border-right:1px solid var(--div);}
  .metric-cell:last-child{border-right:0;}
  .metric-cell:nth-child(odd){border-right:1px solid var(--div);}
}
.metric-value{font-size:26px;font-weight:800;color:var(--brand);line-height:1.1;}
.metric-label{font-size:13.5px;color:var(--t3);margin-top:6px;}

/* ---------- step list ---------- */
.step-list{background:#fff;border:1px solid var(--line);border-radius:24px;padding:6px 22px;box-shadow:var(--shadow-soft);}
.step-item{
  display:grid;grid-template-columns:64px 1fr;gap:16px;align-items:start;
  padding:22px 0;border-bottom:1px solid var(--div);transition:background var(--ease);
  border-radius:12px;
}
.step-item:last-child{border-bottom:0;}
.step-item:hover{background:var(--bg);}
.step-num{
  font-size:52px;font-weight:800;line-height:1;color:rgba(255,90,54,.18);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.step-body{min-width:0;}
.step-title{font-size:17px;font-weight:700;color:var(--t1);}
.step-desc{font-size:14.5px;color:var(--t2);margin-top:6px;line-height:1.8;}
.tag{
  display:inline-flex;align-items:center;gap:4px;height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;font-weight:700;
}
.tag-amber{background:var(--gold);color:#4A3200;}
.tag-ink{background:var(--ink);color:#fff;}
.tag-soft{background:rgba(255,90,54,.1);color:var(--brand-dark);}
.tag-outline{background:#fff;border:1px solid var(--line);color:var(--t2);}
.step-thumb{
  width:120px;height:90px;border-radius:12px;overflow:hidden;flex:0 0 auto;
  border:1px solid var(--line);display:none;
}
.step-thumb img{width:100%;height:100%;transition:transform var(--ease);}
.step-item:hover .step-thumb img{transform:scale(1.04);}
@media (min-width:640px){
  .step-item{grid-template-columns:80px 1fr 120px;}
  .step-thumb{display:block;}
  .step-num{font-size:64px;}
}
@media (min-width:1024px){
  .step-item{grid-template-columns:96px 1fr 140px;gap:24px;}
  .step-num{font-size:72px;}
  .step-thumb{width:140px;height:105px;}
}
.notice-band{
  background:var(--soft);border-radius:16px;padding:16px 20px;margin:18px 0;
  display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:var(--t2);
}
.notice-band strong{color:var(--ink);}

/* ---------- related grid ---------- */
.rel-card{
  display:flex;flex-direction:column;gap:10px;background:#fff;border:1px solid var(--line);
  border-radius:20px;padding:22px;transition:all var(--ease);height:100%;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(255,90,54,.35);}
.rel-icon{
  width:44px;height:44px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:rgba(255,90,54,.1);
}
.rel-title{font-size:17px;font-weight:700;}
.rel-desc{font-size:14px;color:var(--t2);line-height:1.75;}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--grad);border-radius:24px;padding:32px 26px;
  display:flex;flex-direction:column;gap:20px;
  box-shadow:0 20px 44px rgba(217,63,31,.22);
}
@media (min-width:768px){
  .cta-band{flex-direction:row;align-items:center;justify-content:space-between;padding:38px 42px;}
}
.cta-title{font-size:clamp(20px,2.6vw,28px);font-weight:800;color:#fff;}
.cta-text{color:rgba(255,255,255,.9);font-size:15px;margin-top:8px;max-width:560px;}

/* ---------- footer ---------- */
.site-footer{
  background:var(--ink);color:rgba(255,255,255,.72);position:relative;margin-top:8px;
}
.site-footer::before{content:"";display:block;height:3px;width:100%;background:var(--grad);}
.site-footer a{color:rgba(255,255,255,.72);transition:color var(--ease);}
.site-footer a:hover{color:var(--gold);}
.site-footer h3{color:#fff;}
.social-dot{
  width:36px;height:36px;border-radius:999px;background:rgba(255,255,255,.12);
  display:inline-flex;align-items:center;justify-content:center;transition:all var(--ease);
}
.social-dot:hover{background:rgba(255,194,75,.24);transform:translateY(-2px);}
.sub-input{
  height:46px;border-radius:12px;border:1px solid rgba(255,255,255,.2);
  background:rgba(255,255,255,.08);color:#fff;padding:0 14px;width:100%;
  transition:all var(--ease);
}
.sub-input::placeholder{color:rgba(255,255,255,.5);}
.sub-input:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 4px rgba(255,194,75,.2);}
.foot-line{border-top:1px solid rgba(255,255,255,.14);margin-top:36px;padding-top:20px;}

/* roulang page: category2 */
:root{
  --brand:#FF5A36;
  --brand-dark:#D93F1F;
  --amber:#FFC24B;
  --deep:#0F5C4E;
  --bg:#FFF7F1;
  --soft:#F5EFE9;
  --card:#FFFFFF;
  --line:#EDE4DC;
  --line2:#F0E8E1;
  --ink:#1B1A19;
  --ink2:#5C5855;
  --ink3:#8A8480;
  --r-lg:28px;
  --r-md:16px;
  --r-sm:12px;
  --sh1:0 8px 24px rgba(27,26,25,.06);
  --sh2:0 16px 40px rgba(255,90,54,.16);
  --grad:linear-gradient(135deg,#D93F1F 0%,#FF5A36 52%,#FFC24B 100%);
  --grad-x:linear-gradient(90deg,#FF5A36,#FF8A5B);
  --ease:200ms ease-out;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",sans-serif;
  font-size:16px;
  line-height:1.75;
  letter-spacing:.02em;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
button,input,select{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:3px solid rgba(255,90,54,.4);outline-offset:2px;border-radius:6px;}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:1024px){.container-x{padding:0 32px;}}

/* ---------- 顶栏 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 0 rgba(27,26,25,.04);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:68px;}
@media (max-width:767px){.header-inner{height:60px;}}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand__name{font-size:18px;font-weight:800;letter-spacing:.01em;color:var(--ink);}
.nav-item{
  position:relative;font-size:15px;font-weight:500;color:var(--ink2);
  padding:6px 2px;transition:color var(--ease);white-space:nowrap;
}
.nav-item::after{
  content:"";position:absolute;left:0;right:0;bottom:-3px;height:2px;border-radius:2px;
  background:var(--grad-x);transform:scaleX(0);transform-origin:left;transition:transform var(--ease);
}
.nav-item:hover{color:var(--brand);}
.nav-item:hover::after{transform:scaleX(1);}
.nav-item.active{color:var(--brand);font-weight:600;}
.nav-item.active::after{transform:scaleX(1);}
.search-box{
  display:flex;align-items:center;gap:8px;height:40px;width:190px;padding:0 14px;
  border-radius:999px;background:var(--soft);border:1px solid transparent;transition:all var(--ease);
}
.search-box:focus-within{background:#fff;border-color:var(--brand);box-shadow:0 0 0 4px rgba(255,90,54,.14);}
.search-box input{border:0;background:transparent;outline:none;width:100%;font-size:14px;}
.search-box input::placeholder{color:var(--ink3);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:999px;border:0;cursor:pointer;
  font-size:15px;font-weight:600;transition:all var(--ease);white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;}
.btn-primary:hover{filter:brightness(.94);transform:translateY(-2px);box-shadow:var(--sh2);}
.btn-primary:active{transform:translateY(0);filter:brightness(.88);}
.btn-ghost{background:#fff;color:var(--brand);border:1.5px solid var(--brand);}
.btn-ghost:hover{background:rgba(255,90,54,.08);}
.btn-white{background:#fff;color:#1B1A19;}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(27,26,25,.22);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.menu-btn{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:all var(--ease);
}
.menu-btn:hover{border-color:rgba(255,90,54,.35);background:rgba(255,90,54,.06);}
#mobilePanel{overflow:hidden;max-height:0;opacity:0;transition:max-height 220ms ease-out,opacity 200ms ease-out;}
#mobilePanel.open{max-height:560px;opacity:1;}
.mobile-link{
  display:flex;align-items:center;height:48px;font-size:15px;font-weight:500;color:var(--ink2);
  border-bottom:1px solid var(--line2);transition:color var(--ease);
}
.mobile-link:hover,.mobile-link.active{color:var(--brand);}
.overlay{
  position:fixed;inset:0;background:rgba(27,26,25,.35);opacity:0;pointer-events:none;
  transition:opacity 200ms ease-out;z-index:55;
}
.overlay.show{opacity:1;pointer-events:auto;}

/* ---------- 顶区 ---------- */
.page-band{
  padding:26px 0 0;
  background:
    radial-gradient(circle at 88% 4%, rgba(255,90,54,.12), rgba(255,90,54,0) 46%),
    var(--bg);
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink3);}
.breadcrumb a{color:var(--ink2);transition:color var(--ease);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb span.sep{color:var(--line);}
.breadcrumb .current{color:var(--brand);font-weight:600;}
.badge{
  display:inline-flex;align-items:center;gap:5px;padding:4px 10px;border-radius:999px;
  font-size:12px;font-weight:700;line-height:1.4;letter-spacing:.02em;
}
.badge-soft{background:rgba(255,90,54,.08);color:var(--brand);border:1px solid rgba(255,90,54,.22);}
.badge-amber{background:var(--amber);color:#5A3B00;}
.badge-green{background:var(--deep);color:#fff;}
.badge-line{background:#fff;color:var(--deep);border:1px solid var(--line);}
.h1{font-size:clamp(28px,4.6vw,50px);line-height:1.2;font-weight:800;letter-spacing:.01em;}
.h2{font-size:clamp(22px,2.8vw,32px);line-height:1.3;font-weight:700;letter-spacing:.01em;}
.h3{font-size:20px;line-height:1.4;font-weight:700;}
.lead{font-size:17px;line-height:1.8;color:var(--ink2);max-width:56ch;}
.band-art{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh1);aspect-ratio:16/10;background:var(--soft);}
.band-art img{width:100%;height:100%;object-fit:cover;}
.chip-row{display:flex;gap:10px;overflow-x:auto;padding-bottom:6px;scrollbar-width:none;}
.chip-row::-webkit-scrollbar{display:none;}
.chip{
  flex:0 0 auto;display:inline-flex;align-items:center;height:40px;padding:0 18px;border-radius:999px;
  background:#fff;border:1px solid var(--line);font-size:14px;font-weight:600;color:var(--ink2);transition:all var(--ease);
}
.chip:hover{border-color:rgba(255,90,54,.35);color:var(--brand);transform:translateY(-1px);}
.chip.active{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 8px 20px rgba(255,90,54,.22);}
.filter-bar{
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);padding:10px 14px;
}
.filter-bar .count{font-size:14px;color:var(--ink3);font-variant-numeric:tabular-nums;}
.select-look{
  display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 12px;border-radius:10px;
  border:1px solid var(--line);background:#fff;font-size:14px;color:var(--ink2);cursor:pointer;transition:all var(--ease);
}
.select-look:hover{border-color:rgba(255,90,54,.35);color:var(--brand);}
.view-toggle{display:flex;gap:6px;}
.view-btn{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:all var(--ease);
}
.view-btn:hover{border-color:rgba(255,90,54,.35);background:rgba(255,90,54,.06);}
.view-btn.active{background:var(--grad);border-color:transparent;color:#fff;}

/* ---------- 板块通用 ---------- */
.section{padding:48px 0 0;}
@media (min-width:768px){.section{padding-top:64px;}}
@media (min-width:1024px){.section{padding-top:88px;}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:24px;}
.section-head p{font-size:15px;color:var(--ink2);margin-top:8px;max-width:62ch;}
.text-link{color:var(--brand);font-size:15px;font-weight:600;transition:all var(--ease);}
.text-link:hover{text-decoration:underline;text-underline-offset:3px;}

/* ---------- 大图卡网格 ---------- */
.hall-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:768px){.hall-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.hall-grid{grid-template-columns:repeat(3,1fr);}}
.hall-card{
  position:relative;display:block;border-radius:20px;overflow:hidden;aspect-ratio:16/10;
  border:1px solid var(--line);background:#fff;box-shadow:var(--sh1);transition:all var(--ease);
}
.hall-card:hover{transform:translateY(-4px);box-shadow:var(--sh2);border-color:rgba(255,90,54,.35);}
.hall-card img{width:100%;height:100%;object-fit:cover;transition:transform 320ms ease-out;}
.hall-card:hover img{transform:scale(1.04);}
.hall-card__mask{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(27,26,25,0) 30%,rgba(15,92,78,.58) 62%,rgba(15,92,78,.93) 100%);
  transition:background var(--ease);
}
.hall-card:hover .hall-card__mask{
  background:linear-gradient(180deg,rgba(27,26,25,.14) 20%,rgba(15,92,78,.74) 58%,rgba(15,92,78,.97) 100%);
}
.hall-card__tag{position:absolute;top:14px;left:14px;}
.hall-card__body{position:absolute;left:0;right:0;bottom:0;padding:18px 20px;color:#fff;}
.hall-card__body h3{font-size:19px;line-height:1.35;font-weight:700;}
.hall-card__body p{margin-top:6px;font-size:14px;line-height:1.6;color:rgba(255,255,255,.86);}
.hall-card__meta{margin-top:10px;font-size:12px;font-weight:700;letter-spacing:.04em;color:var(--amber);font-variant-numeric:tabular-nums;}
.grid-span{grid-column:1/-1;}
.tips-band{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  background:var(--soft);border-radius:var(--r-md);padding:16px 20px;border:1px solid var(--line);
}
.tips-band p{font-size:14px;color:var(--ink2);}
.tips-band strong{color:var(--deep);}

/* ---------- 指标条 ---------- */
.metric-strip{
  display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);
  border-radius:20px;overflow:hidden;border:1px solid var(--line);
}
@media (min-width:768px){.metric-strip{grid-template-columns:repeat(4,1fr);}}
.metric{background:var(--soft);padding:24px 20px;}
.metric__num{font-size:32px;line-height:1.1;font-weight:800;color:var(--deep);font-variant-numeric:tabular-nums;}
.metric__label{margin-top:8px;font-size:15px;font-weight:600;}
.metric__desc{margin-top:4px;font-size:13px;color:var(--ink3);line-height:1.6;}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:1fr;gap:18px;}
@media (min-width:768px){.steps{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.steps{grid-template-columns:repeat(4,1fr);}}
.step{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px 20px;box-shadow:var(--sh1);transition:all var(--ease);
}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh2);border-color:rgba(255,90,54,.35);}
.step__num{
  font-size:34px;font-weight:800;line-height:1;font-variant-numeric:tabular-nums;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.step h3{margin-top:12px;font-size:17px;font-weight:700;}
.step p{margin-top:8px;font-size:14px;line-height:1.7;color:var(--ink2);}

/* ---------- 评价轨道 ---------- */
.review-wrap{position:relative;}
.review-track{
  display:flex;gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:4px 4px 16px;scrollbar-width:none;
}
.review-track::-webkit-scrollbar{display:none;}
.review-card{
  flex:0 0 82vw;max-width:360px;scroll-snap-align:start;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:22px;
  box-shadow:var(--sh1);transition:all var(--ease);
}
@media (min-width:768px){.review-card{flex:0 0 320px;}}
.review-card:hover{border-color:rgba(255,90,54,.35);box-shadow:var(--sh2);}
.review-card__text{font-size:15px;line-height:1.8;color:var(--ink2);}
.review-card__foot{display:flex;align-items:center;gap:12px;margin-top:18px;}
.avatar{width:44px;height:44px;border-radius:999px;overflow:hidden;border:2px solid #fff;box-shadow:var(--sh1);flex:0 0 auto;}
.avatar img{width:100%;height:100%;object-fit:cover;}
.review-name{font-size:15px;font-weight:700;}
.review-role{font-size:13px;color:var(--ink3);}
.review-nav{display:flex;gap:10px;}
.arrow-btn{
  width:44px;height:44px;border-radius:999px;border:1px solid var(--line);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:all var(--ease);
}
.arrow-btn:hover{background:var(--grad);border-color:transparent;color:#fff;transform:translateY(-2px);}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;}
.faq-item{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;transition:all var(--ease);
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--grad-x);
  opacity:0;transition:opacity var(--ease);
}
.faq-item[open]{border-color:rgba(255,90,54,.35);box-shadow:var(--sh1);}
.faq-item[open]::before{opacity:1;}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:17px;font-weight:600;cursor:pointer;list-style:none;transition:color var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand);}
.faq-item summary::after{
  content:"";width:9px;height:9px;flex:0 0 auto;border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);
  transform:rotate(45deg);transition:transform var(--ease);margin-right:4px;
}
.faq-item[open] summary::after{transform:rotate(-135deg);}
.faq-body{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--ink2);}

/* ---------- CTA ---------- */
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  background:var(--grad);border-radius:24px;padding:32px;color:#fff;
  box-shadow:0 18px 44px rgba(255,90,54,.22);
}
.cta-band h2{font-size:clamp(21px,2.5vw,28px);font-weight:800;line-height:1.35;}
.cta-band p{margin-top:8px;font-size:15px;line-height:1.75;color:rgba(255,255,255,.88);max-width:60ch;}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;margin-top:88px;background:var(--deep);color:rgba(255,255,255,.72);}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad-x);}
.site-footer h3{color:#fff;font-size:16px;font-weight:700;}
.site-footer a{color:rgba(255,255,255,.72);transition:color var(--ease);}
.site-footer a:hover{color:var(--amber);}
.foot-list{display:flex;flex-direction:column;gap:12px;font-size:14px;margin-top:16px;}
.social-dot{
  width:34px;height:34px;border-radius:999px;border:1px solid rgba(255,255,255,.22);
  display:inline-flex;align-items:center;justify-content:center;transition:all var(--ease);
}
.social-dot:hover{background:rgba(255,255,255,.12);border-color:var(--amber);}
.subscribe{display:flex;gap:8px;margin-top:16px;flex-wrap:wrap;}
.subscribe input{
  flex:1 1 160px;height:46px;padding:0 14px;border-radius:12px;border:1px solid rgba(255,255,255,.24);
  background:rgba(255,255,255,.08);color:#fff;outline:none;transition:all var(--ease);font-size:14px;
}
.subscribe input::placeholder{color:rgba(255,255,255,.55);}
.subscribe input:focus{border-color:var(--amber);box-shadow:0 0 0 4px rgba(255,194,75,.2);}
.foot-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}
@media (max-width:767px){
  .cta-band{padding:24px;border-radius:20px;}
  .site-footer{margin-top:64px;}
  .band-art{aspect-ratio:3/2;}
}

/* roulang page: category4 */
:root{
  --c-primary:#FF5A36;
  --c-primary-dark:#D93F1F;
  --c-amber:#FFC24B;
  --c-green:#0F5C4E;
  --bg-page:#FFF7F1;
  --bg-soft:#F5EFE9;
  --bg-card:#FFFFFF;
  --line:#EDE4DC;
  --line-soft:#F0E8E1;
  --t1:#1B1A19;
  --t2:#5C5855;
  --t3:#8A8480;
  --t-invert:#FFFFFF;
  --grad-brand:linear-gradient(135deg,#D93F1F 0%,#FF5A36 52%,#FFC24B 100%);
  --grad-line:linear-gradient(90deg,#FF5A36 0%,#FFC24B 100%);
  --grad-soft:linear-gradient(90deg,#FF5A36 0%,#FF8A5B 100%);
  --r-lg:28px;
  --r-md:24px;
  --r-sm:16px;
  --r-xs:12px;
  --r-pill:999px;
  --sh-soft:0 8px 24px rgba(27,26,25,.06);
  --sh-hover:0 16px 40px rgba(255,90,54,.16);
  --ease:200ms ease-out;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",sans-serif;
  font-size:16px;
  line-height:1.75;
  letter-spacing:.02em;
  color:var(--t1);
  background:var(--bg-page);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;object-fit:cover;}
a{color:inherit;text-decoration:none;transition:color var(--ease),border-color var(--ease),background-color var(--ease);}
button,input,select{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:none;box-shadow:0 0 0 4px rgba(255,90,54,.24);border-radius:8px;}

.container-x{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
}
@media (min-width:768px){
  .container-x{padding:0 32px;}
}

/* ============ header ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 0 rgba(27,26,25,.04);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  height:60px;
}
@media (min-width:1024px){
  .header-inner{height:68px;gap:24px;}
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand span{
  font-size:17px;
  font-weight:800;
  letter-spacing:.01em;
  color:var(--t1);
  white-space:nowrap;
}
@media (min-width:1024px){
  .brand span{font-size:18px;}
}
.nav-item{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--t2);
  padding:6px 2px;
  white-space:nowrap;
}
.nav-item::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:-2px;
  height:2px;
  border-radius:2px;
  background:var(--grad-line);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform var(--ease);
}
.nav-item:hover{color:var(--c-primary);}
.nav-item:hover::after{transform:scaleX(1);}
.nav-item.active{color:var(--c-primary);font-weight:600;}
.nav-item.active::after{transform:scaleX(1);}

.header-right{
  display:flex;
  align-items:center;
  gap:12px;
}
.search-box{
  display:none;
  align-items:center;
  gap:8px;
  height:40px;
  padding:0 16px;
  border-radius:var(--r-pill);
  background:var(--bg-soft);
  border:1px solid transparent;
  transition:background var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.search-box:focus-within{
  background:#fff;
  border-color:var(--c-primary);
  box-shadow:0 0 0 4px rgba(255,90,54,.14);
}
.search-box input{
  border:0;
  background:transparent;
  outline:none;
  width:150px;
  font-size:14px;
  color:var(--t1);
}
.search-box input::placeholder{color:var(--t3);}
@media (min-width:1024px){
  .search-box{display:flex;}
}
.btn-primary{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border-radius:var(--r-pill);
  background:var(--grad-brand);
  color:#fff;
  font-size:15px;
  font-weight:600;
  letter-spacing:.02em;
  box-shadow:0 8px 20px rgba(255,90,54,.22);
  transition:transform var(--ease),filter var(--ease),box-shadow var(--ease);
}
.btn-primary:hover{filter:brightness(.94);transform:translateY(-2px);box-shadow:0 14px 28px rgba(255,90,54,.26);}
.btn-primary:active{transform:translateY(0);filter:brightness(.9);}
.btn-outline{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border-radius:var(--r-pill);
  background:#fff;
  border:1.5px solid var(--c-primary);
  color:var(--c-primary);
  font-size:15px;
  font-weight:600;
  transition:background var(--ease),transform var(--ease);
}
.btn-outline:hover{background:rgba(255,90,54,.08);transform:translateY(-2px);}
.btn-outline:active{transform:translateY(0);}
.header-cta{display:none;height:40px;padding:0 20px;font-size:15px;}
@media (min-width:1024px){
  .header-cta{display:inline-flex;}
}
.menu-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:40px;
  height:40px;
  border-radius:var(--r-xs);
  border:1px solid var(--line);
  background:#fff;
}
.menu-btn:hover{border-color:rgba(255,90,54,.35);}
@media (min-width:1024px){
  .menu-btn{display:none;}
}
.mobile-panel{
  position:fixed;
  top:60px;
  left:0;
  right:0;
  z-index:59;
  background:#fff;
  border-bottom:1px solid var(--line);
  padding:12px 20px 22px;
  transform:translateY(-12px);
  opacity:0;
  visibility:hidden;
  transition:opacity var(--ease),transform var(--ease),visibility var(--ease);
}
.mobile-panel.open{opacity:1;visibility:visible;transform:translateY(0);}
.mobile-panel a.m-link{
  display:flex;
  align-items:center;
  height:48px;
  font-size:15px;
  color:var(--t2);
  border-bottom:1px solid var(--line-soft);
}
.mobile-panel a.m-link.active{color:var(--c-primary);font-weight:600;}
.mobile-panel .m-actions{display:flex;flex-direction:column;gap:12px;margin-top:16px;}
.mobile-panel .search-box{display:flex;width:100%;}
.mobile-panel .search-box input{width:100%;}
.mobile-panel .btn-primary{width:100%;}
.mask{
  position:fixed;
  inset:0;
  background:rgba(27,26,25,.35);
  z-index:58;
  opacity:0;
  visibility:hidden;
  transition:opacity var(--ease),visibility var(--ease);
}
.mask.open{opacity:1;visibility:visible;}

/* ============ page head ============ */
.page-head{
  background:
    radial-gradient(760px 380px at 88% -12%, rgba(255,90,54,.12), rgba(255,90,54,0) 70%),
    var(--bg-page);
  padding:36px 0 32px;
}
@media (min-width:1024px){
  .page-head{padding:52px 0 44px;}
}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--t3);
  flex-wrap:wrap;
}
.breadcrumb a{color:var(--t2);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb .sep{color:#C9BEB5;}
.breadcrumb .current{color:var(--c-primary);font-weight:600;}
.page-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:30px;
  padding:0 14px;
  border-radius:var(--r-pill);
  background:#fff;
  border:1px solid rgba(255,90,54,.35);
  color:var(--c-primary-dark);
  font-size:12px;
  font-weight:700;
  letter-spacing:.04em;
  margin-top:22px;
}
.page-title{
  font-size:clamp(28px,4.6vw,50px);
  line-height:1.2;
  font-weight:800;
  letter-spacing:.01em;
  margin-top:14px;
}
.page-desc{
  margin-top:14px;
  font-size:16px;
  line-height:1.8;
  color:var(--t2);
  max-width:760px;
}
@media (min-width:768px){
  .page-desc{font-size:17px;}
}
.chip-row{
  display:flex;
  gap:10px;
  margin-top:26px;
  overflow-x:auto;
  padding-bottom:6px;
  scrollbar-width:none;
}
.chip-row::-webkit-scrollbar{display:none;}
.chip{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 18px;
  border-radius:var(--r-pill);
  background:#fff;
  border:1px solid var(--line);
  font-size:14px;
  font-weight:500;
  color:var(--t2);
  white-space:nowrap;
}
.chip:hover{border-color:rgba(255,90,54,.45);color:var(--c-primary);}
.chip.current{
  background:var(--grad-brand);
  border-color:transparent;
  color:#fff;
  font-weight:600;
  box-shadow:0 8px 20px rgba(255,90,54,.24);
}
.sort-bar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-top:20px;
  padding:10px 14px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-xs);
  flex-wrap:wrap;
}
.sort-left{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:14px;
  color:var(--t2);
}
.sort-select{
  height:36px;
  padding:0 30px 0 12px;
  border-radius:10px;
  border:1px solid var(--line);
  background:#fff url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%235C5855' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") no-repeat right 10px center;
  font-size:14px;
  color:var(--t1);
  appearance:none;
  cursor:pointer;
}
.sort-select:focus{border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(255,90,54,.14);}
.view-switch{display:flex;align-items:center;gap:6px;}
.view-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:36px;
  height:36px;
  border-radius:10px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--t3);
}
.view-btn:hover{color:var(--c-primary);border-color:rgba(255,90,54,.35);}
.view-btn.on{background:rgba(255,90,54,.08);color:var(--c-primary);border-color:rgba(255,90,54,.35);}

/* ============ section base ============ */
.section{padding:48px 0;}
@media (min-width:768px){
  .section{padding:64px 0;}
}
@media (min-width:1024px){
  .section{padding:84px 0;}
}
.section-head{margin-bottom:26px;}
.section-head h2{
  font-size:clamp(22px,2.8vw,32px);
  line-height:1.3;
  font-weight:700;
  letter-spacing:.01em;
}
.section-sub{
  margin-top:10px;
  font-size:15px;
  color:var(--t2);
  max-width:720px;
}

/* ============ falls grid ============ */
.falls-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:20px;
}
.falls-col{
  display:flex;
  flex-direction:column;
  gap:20px;
}
@media (min-width:768px){
  .falls-grid{grid-template-columns:1fr 1fr;gap:24px;}
  .falls-col{gap:24px;}
  .falls-col-b{margin-top:40px;}
  .falls-grid,
  .falls-col{gap:24px;}
}
.falls-card{
  background:var(--bg-card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--sh-soft);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.falls-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-hover);
  border-color:rgba(255,90,54,.35);
}
.falls-media{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
}
.falls-media img{
  width:100%;
  height:100%;
  border-radius:0;
  transition:transform 320ms ease-out;
}
.falls-card:hover .falls-media img{transform:scale(1.03);}
.falls-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(27,26,25,0) 45%,rgba(27,26,25,.28) 100%);
  pointer-events:none;
}
.data-badge{
  display:inline-flex;
  align-items:center;
  gap:4px;
  padding:5px 12px;
  border-radius:var(--r-pill);
  font-size:12px;
  font-weight:700;
  letter-spacing:.02em;
  line-height:1.4;
  white-space:nowrap;
}
.badge-amber{background:var(--c-amber);color:#4A3200;}
.badge-green{background:var(--c-green);color:#EAF6F2;}
.falls-badge{
  position:absolute;
  top:14px;
  right:14px;
  z-index:2;
  box-shadow:0 6px 16px rgba(27,26,25,.14);
}
.falls-body{padding:20px;}
.tag-pill{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:var(--r-pill);
  background:rgba(255,90,54,.08);
  color:var(--c-primary-dark);
  font-size:12px;
  font-weight:700;
}
.falls-body h3{
  margin-top:12px;
  font-size:17px;
  font-weight:700;
  line-height:1.45;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.falls-body p{
  margin-top:10px;
  font-size:14px;
  line-height:1.75;
  color:var(--t2);
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  margin-top:16px;
  padding-top:14px;
  border-top:1px solid var(--line-soft);
  font-size:13px;
  color:var(--t3);
  font-variant-numeric:tabular-nums;
}
.card-meta strong{color:var(--c-green);font-weight:700;}

/* ============ tip band ============ */
.tip-band{
  background:var(--bg-soft);
  border-radius:20px;
  padding:22px 24px;
  display:flex;
  align-items:center;
  gap:18px;
  flex-wrap:wrap;
}
.tip-band .tip-icon{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:44px;
  height:44px;
  border-radius:14px;
  background:#fff;
  color:var(--c-primary);
  flex-shrink:0;
}
.tip-band strong{display:block;font-size:16px;font-weight:700;}
.tip-band span{display:block;font-size:14px;color:var(--t2);}

/* ============ dark metrics ============ */
.metrics-section{padding:48px 0;}
@media (min-width:1024px){
  .metrics-section{padding:80px 0;}
}
.metrics-panel{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  padding:32px 24px;
  background:#0F5C4E;
  color:#fff;
}
@media (min-width:768px){
  .metrics-panel{padding:44px 40px;}
}
.metrics-panel img.metrics-bg{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  opacity:.22;
}
.metrics-panel::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(140deg,rgba(15,92,78,.96) 0%,rgba(15,92,78,.86) 55%,rgba(217,63,31,.55) 100%);
}
.metrics-inner{position:relative;z-index:2;}
.metrics-inner h2{
  margin-top:16px;
  font-size:clamp(22px,2.8vw,32px);
  font-weight:700;
  line-height:1.3;
  color:#fff;
}
.metrics-inner .lede{
  margin-top:12px;
  font-size:15px;
  line-height:1.8;
  color:rgba(255,255,255,.78);
  max-width:660px;
}
.metrics-row{
  display:grid;
  grid-template-columns:1fr;
  gap:14px;
  margin-top:28px;
}
@media (min-width:640px){
  .metrics-row{grid-template-columns:repeat(3,1fr);gap:18px;}
}
.metric-card{
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.18);
  border-radius:var(--r-sm);
  padding:18px;
  transition:background var(--ease),transform var(--ease);
}
.metric-card:hover{background:rgba(255,255,255,.14);transform:translateY(-3px);}
.metric-num{
  font-size:34px;
  font-weight:800;
  line-height:1.1;
  color:var(--c-amber);
  font-variant-numeric:tabular-nums;
}
.metric-num small{font-size:15px;font-weight:600;margin-left:4px;color:rgba(255,255,255,.8);}
.metric-label{margin-top:8px;font-size:15px;font-weight:700;color:#fff;}
.metric-note{margin-top:6px;font-size:13px;line-height:1.7;color:rgba(255,255,255,.72);}
.metrics-list{
  margin-top:26px;
  display:grid;
  grid-template-columns:1fr;
  gap:12px;
}
@media (min-width:768px){
  .metrics-list{grid-template-columns:1fr 1fr;gap:14px 28px;}
}
.metrics-list li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14px;
  line-height:1.75;
  color:rgba(255,255,255,.86);
}
.metrics-list li::before{
  content:"";
  flex:0 0 auto;
  width:8px;
  height:8px;
  margin-top:9px;
  border-radius:3px;
  background:var(--c-amber);
}

/* ============ cta band ============ */
.cta-band{
  border-radius:var(--r-lg);
  background:var(--grad-brand);
  padding:30px 24px;
  display:flex;
  flex-direction:column;
  gap:20px;
  box-shadow:0 18px 42px rgba(255,90,54,.22);
}
@media (min-width:768px){
  .cta-band{
    flex-direction:row;
    align-items:center;
    justify-content:space-between;
    padding:38px 44px;
  }
}
.cta-band h2{
  font-size:clamp(20px,2.4vw,28px);
  font-weight:800;
  line-height:1.32;
  color:#fff;
}
.cta-band p{
  margin-top:8px;
  font-size:14px;
  line-height:1.8;
  color:rgba(255,255,255,.9);
  max-width:560px;
}
.btn-white{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:46px;
  padding:0 26px;
  border-radius:var(--r-pill);
  background:#fff;
  color:var(--c-primary-dark);
  font-size:15px;
  font-weight:700;
  white-space:nowrap;
  box-shadow:0 8px 20px rgba(27,26,25,.14);
  transition:transform var(--ease),box-shadow var(--ease);
  align-self:flex-start;
}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(27,26,25,.2);}
.btn-white:active{transform:translateY(0);}

/* ============ related entries ============ */
.related-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:18px;
}
@media (min-width:640px){
  .related-grid{grid-template-columns:1fr 1fr;}
}
@media (min-width:1024px){
  .related-grid{grid-template-columns:repeat(4,1fr);}
}
.related-card{
  display:block;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  overflow:hidden;
  box-shadow:var(--sh-soft);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.related-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-hover);
  border-color:rgba(255,90,54,.35);
}
.related-thumb{aspect-ratio:16/9;overflow:hidden;}
.related-thumb img{width:100%;height:100%;transition:transform 320ms ease-out;}
.related-card:hover .related-thumb img{transform:scale(1.03);}
.related-body{padding:16px;}
.related-body h3{font-size:16px;font-weight:700;line-height:1.45;}
.related-body p{margin-top:8px;font-size:13px;line-height:1.7;color:var(--t2);}
.related-note{
  margin-top:20px;
  font-size:14px;
  color:var(--t3);
  text-align:center;
}

/* ============ footer ============ */
.site-footer{
  position:relative;
  margin-top:40px;
  background:var(--c-green);
  color:rgba(255,255,255,.72);
}
.footer-topline{
  height:3px;
  background:var(--grad-line);
}
.site-footer h3{
  color:#fff;
  font-size:16px;
  font-weight:700;
}
.site-footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.72);}
.site-footer a{color:rgba(255,255,255,.72);}
.site-footer a:hover{color:var(--c-amber);}
.footer-links{
  display:flex;
  flex-direction:column;
  gap:12px;
  margin-top:16px;
  font-size:14px;
}
.social-dot{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:36px;
  height:36px;
  border-radius:50%;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.18);
  transition:background var(--ease),transform var(--ease);
}
.social-dot:hover{background:rgba(255,194,75,.24);transform:translateY(-2px);}
.tip-list{
  margin-top:16px;
  display:flex;
  flex-direction:column;
  gap:12px;
  font-size:14px;
  color:rgba(255,255,255,.72);
}
.tip-list li{display:flex;gap:8px;align-items:flex-start;}
.tip-list li::before{
  content:"";
  flex:0 0 auto;
  width:6px;
  height:6px;
  margin-top:9px;
  border-radius:2px;
  background:var(--c-amber);
}
.footer-form{display:flex;flex-direction:column;gap:10px;margin-top:16px;}
.footer-form input{
  height:46px;
  padding:0 16px;
  border-radius:var(--r-xs);
  border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.08);
  color:#fff;
  font-size:14px;
  outline:none;
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.footer-form input::placeholder{color:rgba(255,255,255,.55);}
.footer-form input:focus{
  background:rgba(255,255,255,.14);
  border-color:var(--c-amber);
  box-shadow:0 0 0 4px rgba(255,194,75,.18);
}
.footer-form button{
  height:46px;
  border-radius:var(--r-xs);
  background:var(--grad-soft);
  color:#fff;
  font-size:15px;
  font-weight:700;
  transition:filter var(--ease),transform var(--ease);
}
.footer-form button:hover{filter:brightness(.94);transform:translateY(-2px);}
.footer-form button:active{transform:translateY(0);}
.footer-bottom{
  margin-top:36px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;
  flex-direction:column;
  gap:10px;
  font-size:13px;
  color:rgba(255,255,255,.6);
}
@media (min-width:768px){
  .footer-bottom{flex-direction:row;align-items:center;justify-content:space-between;}
}
.footer-bottom .tech{font-variant-numeric:tabular-nums;letter-spacing:.02em;}

/* ============ responsive tweaks ============ */
@media (max-width:520px){
  .fallss-body, .falls-body{padding:16px;}
  .page-title{font-size:26px;}
  .cta-band{padding:26px 20px;}
  .metrics-panel{padding:26px 20px;}
  .metric-num{font-size:29px;}
}