/* roulang page: index */
:root{
    --brand-500:#0FB6A5;
    --brand-600:#0A9488;
    --brand-900:#06322E;
    --brand-50:#DFF7F2;
    --accent-500:#FF8A3D;
    --accent-400:#FFD166;
    --page:#F8FAF8;
    --soft:#EEF4F1;
    --white:#FFFFFF;
    --ink-900:#0B2320;
    --ink-700:#3E5754;
    --ink-500:#7A8C89;
    --line:#E3E9E6;
    --radius-lg:24px;
    --radius-md:18px;
    --radius-sm:12px;
    --shadow-rest:0 8px 30px rgba(6,50,46,.08);
    --shadow-hover:0 18px 44px rgba(15,182,165,.18);
    --grad-main:linear-gradient(135deg,#0FB6A5 0%,#37D3B4 52%,#FFD166 100%);
    --grad-soft:linear-gradient(135deg,rgba(15,182,165,.14) 0%,rgba(255,209,102,.16) 100%);
    --ease:cubic-bezier(.22,.61,.36,1);
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:Inter,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
    background:var(--page);
    color:var(--ink-700);
    font-size:16px;
    line-height:1.8;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  body.no-scroll{overflow:hidden;}
  h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
  ul,ol{list-style:none;}
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button,input,textarea,select{font:inherit;color:inherit;}
  button{background:none;border:0;cursor:pointer;}
  ::selection{background:rgba(15,182,165,.22);color:var(--brand-900);}
  :focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;border-radius:6px;}

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

  .section{padding:56px 0;}
  @media (min-width:768px){ .section{padding:80px 0;} }
  @media (min-width:1024px){ .section{padding:96px 0;} }
  .section--soft{background:var(--soft);}
  .section--white{background:var(--white);}
  .section--deep{background:var(--brand-900);color:#fff;}

  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;letter-spacing:.04em;font-weight:600;
    color:var(--brand-600);
    background:var(--brand-50);
    border-radius:999px;padding:6px 14px;
  }
  .eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--grad-main);}

  .h1{
    font-size:clamp(30px,4.4vw,52px);
    font-weight:800;line-height:1.2;letter-spacing:-.02em;
    color:var(--ink-900);
  }
  .h2{
    font-size:clamp(24px,2.6vw,34px);
    font-weight:700;line-height:1.3;letter-spacing:-.01em;
    color:var(--ink-900);
  }
  .h3{font-size:19px;font-weight:600;line-height:1.5;color:var(--ink-900);}
  .lead{font-size:17px;line-height:1.85;color:var(--ink-700);}
  .muted{color:var(--ink-500);font-size:14px;}

  .bar-title{position:relative;padding-left:18px;}
  .bar-title::before{
    content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:4px;
    background:var(--grad-main);
  }

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:10px;
    height:50px;padding:0 28px;border-radius:999px;
    font-size:15px;font-weight:600;letter-spacing:.01em;
    transition:transform .3s var(--ease),box-shadow .3s var(--ease),background-color .3s var(--ease),border-color .3s var(--ease),color .3s var(--ease);
    white-space:nowrap;
  }
  .btn-primary{background:var(--grad-main);color:#fff;box-shadow:0 10px 26px rgba(15,182,165,.28);}
  .btn-primary:hover{transform:translateY(-2px) scale(1.02);box-shadow:0 16px 36px rgba(15,182,165,.34);}
  .btn-primary:active{transform:translateY(0) scale(.99);}
  .btn-ghost{background:#fff;color:var(--brand-600);border:1px solid var(--line);}
  .btn-ghost:hover{border-color:var(--brand-500);background:var(--brand-50);transform:translateY(-2px);}
  .btn-ghost:active{transform:translateY(0);}
  .btn-sm{height:44px;padding:0 22px;font-size:14px;}

  .tlink{display:inline-flex;align-items:center;gap:8px;color:var(--brand-600);font-weight:600;font-size:14px;}
  .tlink i{transition:transform .3s var(--ease);font-size:12px;}
  .tlink:hover i{transform:translateX(4px);}
  .tlink:hover{color:var(--brand-700);}

  .card{
    background:#fff;border-radius:var(--radius-md);border:1px solid var(--line);
    box-shadow:var(--shadow-rest);
    transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
  }
  .card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(15,182,165,.35);}
  .card-lg{border-radius:var(--radius-lg);}
  .card-pad{padding:26px;}
  .card-glow{position:relative;overflow:hidden;}
  .card-glow::after{
    content:"";position:absolute;top:-60px;right:-60px;width:170px;height:170px;
    background:var(--grad-soft);border-radius:50%;pointer-events:none;
  }

  .icon-box{
    width:48px;height:48px;border-radius:14px;
    display:flex;align-items:center;justify-content:center;
    background:var(--brand-50);color:var(--brand-600);font-size:19px;
    flex:0 0 auto;
  }

  .badge{
    display:inline-flex;align-items:center;gap:8px;
    height:32px;padding:0 14px;border-radius:999px;
    background:rgba(255,255,255,.86);
    border:1px solid rgba(15,182,165,.28);
    font-size:13px;color:var(--ink-700);
  }
  .badge::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--grad-main);flex:0 0 auto;}
  .stat-num{font-size:clamp(24px,2.6vw,32px);font-weight:800;color:var(--ink-900);font-variant-numeric:tabular-nums;line-height:1.1;}

  .tag{
    display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
    background:var(--brand-50);color:var(--brand-700);font-size:12px;font-weight:600;letter-spacing:.03em;
  }
  .tag-accent{background:rgba(255,209,102,.28);color:#8A5A05;}

  .cover{
    position:relative;overflow:hidden;border-radius:var(--radius-lg);
    aspect-ratio:16/9;background:var(--soft);
  }
  .cover img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease);}
  .card:hover .cover img{transform:scale(1.04);}

  .post-card{display:flex;flex-direction:column;overflow:hidden;}
  .post-card .cover{border-radius:0;aspect-ratio:16/9;}
  .post-cat{
    position:absolute;left:14px;top:14px;z-index:2;
    background:rgba(255,255,255,.92);color:var(--brand-700);
    font-size:12px;font-weight:600;height:26px;padding:0 12px;border-radius:999px;
    display:inline-flex;align-items:center;
  }
  .post-title{
    font-size:17px;font-weight:600;line-height:1.5;color:var(--ink-900);
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
    min-height:51px;
  }
  .post-title a:hover{color:var(--brand-600);}
  .post-sum{
    font-size:15px;line-height:1.75;color:var(--ink-700);margin-top:10px;
    display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
  }
  .post-meta{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    margin-top:18px;padding-top:14px;border-top:1px solid var(--line);
    font-size:13px;color:var(--ink-500);
  }

  .faq-item{
    background:#fff;border-radius:var(--radius-lg);border:1px solid var(--line);
    box-shadow:var(--shadow-rest);overflow:hidden;
    transition:border-color .3s var(--ease),box-shadow .3s var(--ease);
  }
  .faq-item + .faq-item{margin-top:14px;}
  .faq-item.is-open{border-color:rgba(15,182,165,.4);box-shadow:var(--shadow-hover);}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:20px 24px;min-height:64px;text-align:left;
    font-size:16px;font-weight:600;color:var(--ink-900);
  }
  .faq-q i{color:var(--brand-600);transition:transform .3s var(--ease);font-size:14px;}
  .faq-item.is-open .faq-q i{transform:rotate(45deg);}
  .faq-a{
    max-height:0;overflow:hidden;
    transition:max-height .35s var(--ease);
  }
  .faq-a-inner{
    padding:0 24px 22px 27px;font-size:15px;line-height:1.85;color:var(--ink-700);
    border-left:3px solid transparent;
    border-image:var(--grad-main) 1;
    margin-left:24px;
  }
  .faq-item.is-open .faq-a{max-height:420px;}

  .field{display:block;}
  .field-label{font-size:13px;font-weight:600;color:var(--ink-700);margin-bottom:8px;display:block;}
  .field-input{
    width:100%;height:48px;border-radius:var(--radius-sm);
    border:1px solid var(--line);background:#fff;padding:0 16px;font-size:15px;
    transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
  }
  textarea.field-input{height:auto;min-height:104px;padding:12px 16px;line-height:1.7;resize:vertical;}
  .field-input:focus{outline:none;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(15,182,165,.16);}
  .field-input::placeholder{color:#9FB0AC;}

  .deep-card{
    background:rgba(255,255,255,.05);
    border:1px solid rgba(207,243,234,.18);
    border-radius:var(--radius-lg);
    box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
  }

  .price-card{position:relative;overflow:hidden;display:flex;flex-direction:column;}
  .price-card .top-line{height:4px;background:var(--grad-main);}
  .price-card.featured{transform:translateY(-8px) scale(1.015);border-color:rgba(15,182,165,.45);box-shadow:0 22px 52px rgba(15,182,165,.22);}
  .price-card.featured:hover{transform:translateY(-12px) scale(1.02);}
  .featured-flag{
    position:absolute;top:16px;right:-1px;z-index:2;
    background:var(--grad-main);color:#fff;font-size:12px;font-weight:600;
    padding:5px 14px;border-radius:999px 0 0 999px;
  }
  .price-amount{font-size:34px;font-weight:800;color:var(--ink-900);font-variant-numeric:tabular-nums;letter-spacing:-.02em;}
  .price-amount small{font-size:14px;font-weight:600;color:var(--ink-500);margin-left:4px;}
  .check-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;line-height:1.7;color:var(--ink-700);}
  .check-list li + li{margin-top:10px;}
  .check-list i{color:var(--brand-500);margin-top:5px;font-size:13px;}

  .site-header{
    position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);
    border-bottom:1px solid transparent;
    transition:height .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease),background-color .3s var(--ease);
  }
  .site-header.is-scrolled{
    background:rgba(255,255,255,.88);
    backdrop-filter:blur(12px);
    -webkit-backdrop-filter:blur(12px);
    border-bottom-color:var(--line);
    box-shadow:0 6px 22px rgba(6,50,46,.07);
  }
  .nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:78px;}
  .site-header.is-scrolled .nav-inner{height:64px;}
  .logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:var(--ink-900);letter-spacing:-.01em;}
  .logo-mark{
    width:34px;height:34px;border-radius:11px;background:var(--grad-main);
    display:inline-flex;align-items:center;justify-content:center;color:#fff;font-size:15px;
    box-shadow:0 6px 16px rgba(15,182,165,.3);
  }
  .nav-links{display:none;align-items:center;gap:6px;}
  @media (min-width:1024px){ .nav-links{display:flex;} }
  .nav-link{
    position:relative;display:inline-flex;align-items:center;height:38px;padding:0 14px;
    border-radius:999px;font-size:15px;font-weight:500;color:var(--ink-700);
    transition:color .25s var(--ease),background-color .25s var(--ease);
  }
  .nav-link:hover{color:var(--brand-600);background:var(--brand-50);}
  .nav-link.is-active{color:var(--brand-600);font-weight:600;}
  .nav-link.is-active::after{
    content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--grad-main);
  }
  .nav-cta{display:none;}
  @media (min-width:1024px){ .nav-cta{display:inline-flex;} }
  .menu-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(--ink-900);font-size:17px;
  }
  @media (min-width:1024px){ .menu-btn{display:none;} }

  .drawer{
    position:fixed;inset:0;z-index:80;background:rgba(6,50,46,.42);
    opacity:0;visibility:hidden;transition:opacity .3s var(--ease),visibility .3s var(--ease);
  }
  .drawer.is-open{opacity:1;visibility:visible;}
  .drawer-panel{
    position:absolute;top:0;right:0;width:min(88vw,360px);height:100%;
    background:#fff;display:flex;flex-direction:column;
    transform:translateX(100%);transition:transform .34s var(--ease);
    box-shadow:-18px 0 50px rgba(6,50,46,.18);
  }
  .drawer.is-open .drawer-panel{transform:translateX(0);}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--line);}
  .drawer-close{width:44px;height:44px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);color:var(--ink-900);}
  .drawer-body{flex:1;overflow-y:auto;padding:12px 12px 24px;}
  .drawer-link{
    display:flex;align-items:center;justify-content:space-between;
    padding:15px 16px;border-radius:14px;font-size:16px;font-weight:500;color:var(--ink-900);
  }
  .drawer-link:hover,.drawer-link.is-active{background:var(--brand-50);color:var(--brand-600);}
  .drawer-foot{padding:16px 20px 24px;border-top:1px solid var(--line);}

  .hero{position:relative;overflow:hidden;background:linear-gradient(180deg,#F8FAF8 0%,#F2F8F6 100%);}
  .hero::before{
    content:"";position:absolute;top:-180px;right:-140px;width:560px;height:560px;border-radius:50%;
    background:radial-gradient(circle at 40% 40%,rgba(15,182,165,.20),rgba(255,209,102,.12) 58%,rgba(255,255,255,0) 72%);
    pointer-events:none;
  }
  .hero-grid{position:relative;z-index:1;display:grid;gap:44px;align-items:center;}
  @media (min-width:1024px){ .hero-grid{grid-template-columns:7fr 5fr;gap:56px;} }
  .hero-media{position:relative;}
  .hero-media img{
    width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-lg);
    box-shadow:0 26px 60px rgba(6,50,46,.18);
  }
  .float-card{
    position:absolute;right:-6px;top:-18px;background:#fff;border-radius:var(--radius-md);
    padding:14px 18px;box-shadow:0 16px 38px rgba(6,50,46,.16);border:1px solid var(--line);
  }
  @media (max-width:520px){ .float-card{right:0;top:-12px;padding:12px 14px;} }

  .trust-strip{background:var(--brand-50);}
  .trust-item{display:flex;align-items:center;gap:12px;font-size:14.5px;font-weight:600;color:var(--brand-800);}
  .trust-item i{color:var(--brand-600);font-size:15px;}

  .scroll-rail{
    display:grid;gap:24px;grid-auto-flow:column;grid-auto-columns:minmax(290px,88%);
    overflow-x:auto;padding:6px 4px 20px;scroll-snap-type:x mandatory;
    scrollbar-width:thin;
  }
  .scroll-rail > *{scroll-snap-align:start;}
  .scroll-rail::-webkit-scrollbar{height:6px;}
  .scroll-rail::-webkit-scrollbar-thumb{background:rgba(15,182,165,.35);border-radius:99px;}
  @media (min-width:1024px){
    .scroll-rail{grid-auto-flow:row;grid-template-columns:repeat(3,1fr);overflow:visible;padding-bottom:0;}
  }

  .reveal{opacity:0;transform:translateY(18px);transition:opacity .5s var(--ease),transform .5s var(--ease);}
  .reveal.in-view{opacity:1;transform:none;}

  .site-footer{background:var(--brand-900);color:#CFF3EA;}
  .site-footer h4{font-size:14px;letter-spacing:.04em;font-weight:700;color:#fff;margin-bottom:16px;}
  .footer-link{display:inline-block;font-size:14px;color:#CFF3EA;padding:5px 0;transition:color .25s var(--ease),transform .25s var(--ease);}
  .footer-link:hover{color:var(--brand-400);transform:translateX(2px);}
  .footer-bottom{
    border-top:1px solid rgba(207,243,234,.18);
    display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center;justify-content:space-between;
    padding:22px 0 34px;font-size:13px;color:rgba(207,243,234,.72);
  }

  .empty-state{
    border:1px dashed rgba(15,182,165,.4);border-radius:var(--radius-lg);
    padding:48px 24px;text-align:center;background:#fff;
  }
  .empty-state i{font-size:30px;color:var(--brand-500);}

  .breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-500);}
  .breadcrumb a:hover{color:var(--brand-600);}

  @media (prefers-reduced-motion: reduce){
    html{scroll-behavior:auto;}
    *,*::before,*::after{animation-duration:.01ms !important;transition-duration:.01ms !important;}
    .reveal{opacity:1 !important;transform:none !important;}
  }

/* roulang page: article */
:root{
  --brand-50:#DFF7F2;
  --brand-100:#C6F0E7;
  --brand-400:#0FB6A5;
  --brand-600:#0A9488;
  --accent-300:#FFD166;
  --accent-400:#FF8A3D;
  --deep:#06322E;
  --bg:#F8FAF8;
  --bg-alt:#EEF4F1;
  --card:#FFFFFF;
  --text:#0B2320;
  --text-body:#3E5754;
  --text-muted:#7A8C89;
  --line:#E3E9E6;
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:12px;
  --shadow-sm:0 8px 30px rgba(6,50,46,.08);
  --shadow-hover:0 18px 44px rgba(15,182,165,.18);
  --grad:linear-gradient(135deg,#0FB6A5 0%,#37D3B4 55%,#FFD166 100%);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
html body{
  margin:0;
  background:var(--bg);
  color:var(--text-body);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",Inter,system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700;line-height:1.3}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:rgba(15,182,165,.22);color:var(--text)}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:#F1F6F4}
::-webkit-scrollbar-thumb{background:#CFE6E0;border-radius:99px}
::-webkit-scrollbar-thumb:hover{background:#A9D8CE}
:focus-visible{outline:2px solid var(--accent-400);outline-offset:2px;border-radius:6px}

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

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid transparent;
  transition:box-shadow .28s ease,border-color .28s ease;
}
.site-header.is-scrolled{
  border-bottom-color:var(--line);
  box-shadow:0 8px 26px rgba(6,50,46,.07);
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(12px);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;height:78px;transition:height .28s ease}
.site-header.is-scrolled .nav-inner{height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:var(--text);letter-spacing:-.01em}
.logo-mark{
  width:36px;height:36px;border-radius:12px;background:var(--grad);color:#fff;
  display:grid;place-items:center;font-size:15px;box-shadow:0 6px 16px rgba(15,182,165,.28);flex:0 0 auto;
}
.nav-links{display:none}
@media (min-width:1024px){ .nav-links{display:flex;align-items:center;gap:4px} }
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:44px;padding:0 14px;
  font-size:15px;color:var(--text-body);border-radius:999px;
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--brand-600);background:#F2FBF9}
.nav-link.is-active{color:var(--brand-600);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--grad);border-radius:2px;
}
.menu-btn{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;
  color:var(--text);display:grid;place-items:center;cursor:pointer;font-size:16px;
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.menu-btn:hover{border-color:#9FE4D9;color:var(--brand-600);background:#F2FBF9}
@media (min-width:1024px){ .menu-btn{display:none} }

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 28px;border-radius:999px;font-size:15px;font-weight:600;
  cursor:pointer;border:1px solid transparent;white-space:nowrap;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 26px rgba(15,182,165,.28)}
.btn-primary:hover{transform:translateY(-2px) scale(1.02);box-shadow:0 18px 40px rgba(15,182,165,.32);filter:brightness(1.04)}
.btn-primary:active{transform:translateY(0) scale(.99);box-shadow:0 8px 18px rgba(15,182,165,.24)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--brand-600)}
.btn-ghost:hover{border-color:#9FE4D9;background:#F2FBF9;transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-outline-light{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.32);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.16);transform:translateY(-2px)}
.btn-sm{height:44px;padding:0 20px;font-size:14px}
.nav-cta{min-height:44px}

/* ---------- mobile drawer ---------- */
.no-scroll{overflow:hidden}
.drawer{position:fixed;inset:0;z-index:80;display:none}
.drawer.is-open{display:block}
.drawer-backdrop{position:absolute;inset:0;background:rgba(6,50,46,.48)}
.drawer-panel{
  position:absolute;top:0;right:0;width:min(88vw,380px);height:100%;background:#fff;
  display:flex;flex-direction:column;padding:18px 20px 0;overflow-y:auto;
  box-shadow:-20px 0 50px rgba(6,50,46,.2);
}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;
  color:var(--text);display:grid;place-items:center;cursor:pointer;font-size:16px;
}
.drawer-close:hover{border-color:#9FE4D9;color:var(--brand-600);background:#F2FBF9}
.drawer-nav{display:flex;flex-direction:column;padding:10px 0}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;padding:0 6px;font-size:16px;color:var(--text);
  border-bottom:1px solid var(--line);
}
.drawer-link::after{content:"\f054";font-family:"Font Awesome 6 Free";font-weight:900;font-size:11px;color:var(--text-muted)}
.drawer-link:hover{color:var(--brand-600)}
.drawer-foot{padding:20px 0 26px;margin-top:auto}
.drawer-foot .btn{width:100%}

/* ---------- article hero ---------- */
.article-hero{
  position:relative;overflow:hidden;background:var(--deep);color:#fff;
  padding:34px 0 120px;
}
.article-hero::before{
  content:"";position:absolute;width:560px;height:560px;right:-160px;top:-260px;
  background:radial-gradient(circle,rgba(15,182,165,.45),transparent 70%);pointer-events:none;
}
.article-hero::after{
  content:"";position:absolute;width:360px;height:360px;left:-140px;bottom:-220px;
  background:radial-gradient(circle,rgba(255,209,102,.26),transparent 70%);pointer-events:none;
}
.article-hero .shell{position:relative;z-index:1}
@media (min-width:768px){ .article-hero{padding:46px 0 152px} }

.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:#CFF3EA}
.breadcrumb a{color:#CFF3EA;transition:color .2s ease}
.breadcrumb a:hover{color:var(--brand-400);text-decoration:underline;text-underline-offset:3px}
.crumb-current{
  display:inline-block;max-width:280px;overflow:hidden;text-overflow:ellipsis;
  white-space:nowrap;vertical-align:bottom;color:rgba(255,255,255,.72);
}
.article-badge{
  display:inline-flex;align-items:center;gap:9px;height:32px;padding:0 15px;border-radius:999px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.24);
  font-size:13px;letter-spacing:.02em;color:#fff;
}
.article-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--grad);flex:0 0 auto}
.article-title{
  font-size:clamp(26px,3.8vw,44px);font-weight:800;line-height:1.25;letter-spacing:-.02em;
  color:#fff;margin:18px 0 20px;max-width:22ch;
}
.article-meta{display:flex;flex-wrap:wrap;gap:14px 22px;font-size:13.5px;color:#CFF3EA;font-variant-numeric:tabular-nums}
.article-meta i{margin-right:7px;color:var(--brand-400)}

/* ---------- cover ---------- */
.article-cover{position:relative;z-index:3;margin-top:-84px}
.article-cover img{
  width:100%;aspect-ratio:16/7;object-fit:cover;border-radius:var(--radius-lg);
  box-shadow:0 24px 60px rgba(6,50,46,.22);background:var(--bg-alt);
}
.article-cover figcaption{margin-top:12px;font-size:13px;color:var(--text-muted);text-align:center}
@media (min-width:768px){ .article-cover{margin-top:-104px} }

/* ---------- article layout ---------- */
.section-article{padding:52px 0 68px}
.article-layout{display:grid;gap:40px}
@media (min-width:1280px){ .article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:56px} }
.article-main{width:100%;max-width:760px;margin:0 auto;min-width:0}
.article-side{display:none}
@media (min-width:1280px){ .article-side{display:block} }
.side-sticky{position:sticky;top:100px}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:22px;box-shadow:var(--shadow-sm);
}
.side-card + .side-card{margin-top:18px}
.side-title{display:flex;align-items:center;gap:9px;font-size:16px;font-weight:600;margin-bottom:14px}
.side-title::before{content:"";width:4px;height:16px;border-radius:4px;background:var(--grad);flex:0 0 auto}
.side-text{font-size:14px;line-height:1.85;color:var(--text-muted)}
.side-list{display:flex;flex-direction:column}
.side-link{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 0;font-size:14px;color:var(--text-body);
  border-bottom:1px dashed var(--line);transition:color .2s ease,transform .2s ease;
}
.side-link:last-child{border-bottom:0}
.side-link i{font-size:11px;color:var(--brand-400);transition:transform .2s ease}
.side-link:hover{color:var(--brand-600);transform:translateX(2px)}
.side-link:hover i{transform:translateX(3px)}
.side-card-cta{
  background:linear-gradient(160deg,#06322E 0%,#0A4A44 100%);
  border-color:transparent;color:#CFF3EA;
}
.side-card-cta .side-title{color:#fff}
.side-card-cta .side-text{color:#A9DCD2}
.side-card-cta .btn{margin-top:16px;width:100%}

/* ---------- article body ---------- */
.article-body{font-size:17.5px;line-height:1.9;color:var(--text-body);word-break:break-word}
.article-body > *:first-child{margin-top:0}
.article-body h2{
  position:relative;font-size:clamp(22px,2.3vw,28px);font-weight:700;line-height:1.4;
  padding-left:14px;margin:1.8em 0 .8em;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;
  border-radius:4px;background:var(--grad);
}
.article-body h3{font-size:19px;font-weight:600;margin:1.6em 0 .6em;color:var(--text)}
.article-body h4{font-size:17px;font-weight:600;margin:1.4em 0 .5em;color:var(--text)}
.article-body p{margin:0 0 1.2em}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:1.5em}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin:.5em 0;line-height:1.85}
.article-body li::marker{color:var(--brand-400)}
.article-body a{
  color:var(--brand-600);text-decoration:underline;text-underline-offset:3px;
  text-decoration-color:rgba(15,182,165,.38);transition:color .2s ease,text-decoration-color .2s ease;
}
.article-body a:hover{color:#087A70;text-decoration-color:var(--brand-600)}
.article-body strong{color:var(--text);font-weight:600}
.article-body blockquote{
  margin:1.6em 0;padding:18px 22px;background:var(--brand-50);
  border-left:3px solid var(--brand-400);border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:#20524B;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:16px;margin:1.4em 0;height:auto}
.article-body figure{margin:1.6em 0}
.article-body figure img{margin:0}
.article-body figcaption{font-size:13px;color:var(--text-muted);text-align:center;margin-top:.7em}
.article-body table{
  display:block;width:100%;max-width:100%;overflow-x:auto;border-collapse:collapse;
  font-size:15px;margin:1.5em 0;border:1px solid var(--line);border-radius:var(--radius-sm);
}
.article-body th,.article-body td{padding:11px 14px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}
.article-body th{background:var(--bg-alt);color:var(--text);font-weight:600}
.article-body tr:last-child td{border-bottom:0}
.article-body pre{
  background:#06322E;color:#DFF7F2;padding:18px 20px;border-radius:14px;
  overflow-x:auto;font-size:14px;line-height:1.7;margin:1.5em 0;
}
.article-body code{font-family:"JetBrains Mono",Consolas,Menlo,monospace;font-size:.92em}
.article-body p code,.article-body li code{background:var(--bg-alt);color:#0A9488;padding:2px 6px;border-radius:6px}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.2em 0}

/* ---------- tags & foot ---------- */
.article-tags{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:46px;padding-top:26px;border-top:1px solid var(--line);
}
.tag-label{font-size:13px;color:var(--text-muted);letter-spacing:.04em;margin-right:2px}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;
  background:var(--brand-50);color:var(--brand-600);font-size:13px;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.tag:hover{background:#C6F0E7;color:#087A70;transform:translateY(-2px)}
.article-foot{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:16px;margin-top:26px;
}
.share{display:flex;flex-wrap:wrap;gap:10px}
.share-btn{
  display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 16px;border-radius:999px;
  border:1px solid var(--line);background:#fff;color:var(--text-body);font-size:14px;cursor:pointer;
  transition:border-color .2s ease,color .2s ease,background .2s ease,transform .2s ease;
}
.share-btn:hover{border-color:#9FE4D9;color:var(--brand-600);background:#F2FBF9;transform:translateY(-2px)}
.share-btn.is-done{border-color:#9FE4D9;color:var(--brand-600);background:var(--brand-50)}

/* ---------- empty state ---------- */
.empty-state{
  max-width:640px;margin:8px auto 0;text-align:center;background:#fff;
  border:1px solid var(--line);border-radius:var(--radius-lg);padding:52px 28px;box-shadow:var(--shadow-sm);
}
.empty-icon{
  width:64px;height:64px;border-radius:20px;background:var(--brand-50);color:var(--brand-600);
  display:grid;place-items:center;font-size:24px;margin:0 auto 20px;
}
.empty-state h2{font-size:22px;margin-bottom:10px}
.empty-state p{margin:0 auto 26px;max-width:44ch;color:var(--text-muted);font-size:15px}

/* ---------- related ---------- */
.section-related{padding:60px 0 8px;background:var(--bg-alt)}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:32px}
.section-head h2{display:flex;align-items:center;gap:12px;font-size:clamp(22px,2.4vw,30px)}
.section-head h2::before{content:"";width:4px;height:26px;border-radius:4px;background:var(--grad)}
.text-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--brand-600)}
.text-link i{transition:transform .22s ease}
.text-link:hover i{transform:translateX(4px)}
.post-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .3s ease,box-shadow .3s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.post-card .thumb{aspect-ratio:16/9;overflow:hidden;background:var(--bg-alt)}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.post-card:hover .thumb img{transform:scale(1.04)}
.post-card .body{padding:20px}
.post-card h3{font-size:17px;line-height:1.5;margin-bottom:10px}

/* ---------- CTA ---------- */
.section-cta{padding:52px 0 76px}
.cta-panel{
  position:relative;overflow:hidden;border-radius:28px;background:var(--deep);
  padding:42px 26px;color:#fff;display:grid;gap:26px;
}
.cta-panel::before{
  content:"";position:absolute;width:440px;height:440px;right:-160px;top:-200px;
  background:radial-gradient(circle,rgba(15,182,165,.5),transparent 70%);
}
.cta-panel::after{
  content:"";position:absolute;width:320px;height:320px;left:-130px;bottom:-190px;
  background:radial-gradient(circle,rgba(255,209,102,.26),transparent 70%);
}
.cta-panel > div{position:relative;z-index:1}
@media (min-width:1024px){
  .cta-panel{grid-template-columns:1.45fr .85fr;align-items:center;padding:56px}
}
.cta-kicker{font-size:13px;letter-spacing:.08em;color:#8FE3D4}
.cta-panel h2{color:#fff;font-size:clamp(22px,2.5vw,32px);margin:10px 0 12px;line-height:1.35}
.cta-panel p{color:#CFF3EA;font-size:15px;line-height:1.85;max-width:54ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- footer ---------- */
.site-footer{background:var(--deep);color:#CFF3EA;padding-bottom:6px}
.site-footer .logo{font-size:18px}
.site-footer h4{color:#fff;font-size:14px;font-weight:600;letter-spacing:.04em;margin-bottom:16px}
.site-footer ul{display:flex;flex-direction:column;gap:10px}
.footer-link{display:inline-block;font-size:14px;color:#CFF3EA;transition:color .2s ease,transform .2s ease}
a.footer-link:hover{color:var(--brand-400);transform:translateX(2px)}
.footer-bottom{
  margin-top:44px;padding:20px 0 28px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px 20px;justify-content:space-between;
  font-size:13px;color:#9FC9C0;
}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  .post-card:hover,.btn:hover{transform:none}
}
@media (max-width:520px){
  .article-foot{flex-direction:column;align-items:stretch}
  .article-foot .btn{width:100%}
  .share-btn{flex:1 1 auto;justify-content:center}
  .cta-actions .btn{width:100%}
}

/* roulang page: category1 */
:root{
    --brand-500:#0FB6A5;
    --brand-600:#0A9488;
    --brand-100:#DFF7F2;
    --accent-500:#FF8A3D;
    --accent-300:#FFD166;
    --deep:#06322E;
    --bg:#F8FAF8;
    --bg-alt:#EEF4F1;
    --card:#FFFFFF;
    --text:#0B2320;
    --text-body:#3E5754;
    --text-muted:#7A8C89;
    --line:#E3E9E6;
    --radius-lg:24px;
    --radius-md:18px;
    --radius-sm:12px;
    --shadow-1:0 8px 30px rgba(6,50,46,.08);
    --shadow-2:0 18px 44px rgba(15,182,165,.18);
    --grad:linear-gradient(135deg,#0FB6A5 0%,#37D3B4 55%,#FFD166 100%);
  }

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

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

  body{
    margin:0;
    font-family:'PingFang SC','HarmonyOS Sans SC','Noto Sans SC','Microsoft YaHei','Inter',system-ui,sans-serif;
    background:var(--bg);
    color:var(--text-body);
    font-size:16px;
    line-height:1.8;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }

  body.no-scroll{ overflow:hidden; }

  h1,h2,h3,h4{ margin:0; color:var(--text); font-weight:700; }
  p{ margin:0; }
  ul{ margin:0; padding:0; list-style:none; }
  img{ max-width:100%; display:block; }
  a{ color:inherit; text-decoration:none; }
  button{ font-family:inherit; cursor:pointer; }

  a:focus-visible,
  button:focus-visible,
  input:focus-visible,
  textarea:focus-visible{
    outline:2px solid var(--accent-500);
    outline-offset:2px;
    border-radius:6px;
  }

  ::selection{ background:#B9EDE3; color:#06322E; }

  ::-webkit-scrollbar{ width:10px; height:10px; }
  ::-webkit-scrollbar-track{ background:#EFF4F2; }
  ::-webkit-scrollbar-thumb{ background:#B9EDE3; border-radius:8px; }
  ::-webkit-scrollbar-thumb:hover{ background:#84DECF; }

  /* ---------- 容器 ---------- */
  .shell{
    width:100%;
    max-width:1200px;
    margin:0 auto;
    padding-left:20px;
    padding-right:20px;
  }
  @media (min-width:768px){
    .shell{ padding-left:32px; padding-right:32px; }
  }

  /* ---------- 导航 ---------- */
  .site-header{
    position:sticky;
    top:0;
    z-index:60;
    background:rgba(255,255,255,.88);
    backdrop-filter:blur(12px);
    -webkit-backdrop-filter:blur(12px);
    transition:box-shadow .25s ease, background .25s ease, border-color .25s ease;
    border-bottom:1px solid transparent;
  }
  .site-header.is-scrolled{
    background:rgba(255,255,255,.94);
    box-shadow:0 6px 24px rgba(6,50,46,.08);
    border-bottom-color:var(--line);
  }
  .nav-inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    height:80px;
    transition:height .25s ease;
  }
  .site-header.is-scrolled .nav-inner{ height:64px; }

  .logo{
    display:inline-flex;
    align-items:center;
    gap:10px;
    font-size:18px;
    font-weight:700;
    color:var(--text);
    letter-spacing:-.01em;
    white-space:nowrap;
  }
  .logo-mark{
    width:34px;
    height:34px;
    flex:0 0 34px;
    border-radius:11px;
    background:var(--grad);
    color:#fff;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    font-size:15px;
    box-shadow:0 6px 16px rgba(15,182,165,.3);
  }

  .nav-links{ display:none; }
  @media (min-width:1024px){
    .nav-links{ display:flex; align-items:center; gap:4px; }
  }
  .nav-link{
    position:relative;
    display:inline-flex;
    align-items:center;
    padding:10px 14px;
    font-size:15px;
    color:var(--text-body);
    border-radius:999px;
    transition:color .2s ease, background .2s ease;
  }
  .nav-link:hover{ color:var(--brand-600); background:var(--brand-100); }
  .nav-link:active{ transform:translateY(1px); }
  .nav-link.is-active{ color:var(--brand-600); font-weight:600; }
  .nav-link.is-active::after{
    content:'';
    position:absolute;
    left:14px;
    right:14px;
    bottom:1px;
    height:2px;
    border-radius:2px;
    background:linear-gradient(90deg,#0FB6A5,#FFD166);
  }

  .menu-btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:44px;
    height:44px;
    border-radius:12px;
    border:1px solid var(--line);
    background:#fff;
    color:var(--text);
    font-size:17px;
    transition:border-color .2s ease, color .2s ease, background .2s ease;
  }
  .menu-btn:hover{ border-color:var(--brand-500); color:var(--brand-600); background:var(--brand-100); }
  @media (min-width:1024px){
    .menu-btn{ display:none; }
  }

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    height:50px;
    padding:0 28px;
    border-radius:999px;
    font-size:15px;
    font-weight:600;
    border:1px solid transparent;
    transition:transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
    white-space:nowrap;
  }
  .btn-sm{ height:44px; padding:0 20px; font-size:14px; }
  .btn-lg{ height:52px; padding:0 32px; }

  .btn-primary{
    background:linear-gradient(135deg,#0FB6A5 0%,#37D3B4 60%,#FFD166 130%);
    color:#fff;
    box-shadow:0 10px 26px rgba(15,182,165,.28);
  }
  .btn-primary:hover{
    transform:translateY(-2px) scale(1.02);
    box-shadow:0 16px 34px rgba(15,182,165,.34);
  }
  .btn-primary:active{ transform:translateY(0) scale(1); }

  .btn-outline{
    background:#fff;
    color:var(--brand-600);
    border-color:var(--line);
  }
  .btn-outline:hover{
    border-color:var(--brand-500);
    background:var(--brand-100);
    transform:translateY(-2px);
  }

  .btn-ghost{
    background:rgba(255,255,255,.10);
    color:#FFFFFF;
    border-color:rgba(255,255,255,.28);
  }
  .btn-ghost:hover{
    background:rgba(255,255,255,.18);
    border-color:rgba(255,255,255,.5);
    transform:translateY(-2px);
  }

  .text-link{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:14px;
    font-weight:600;
    color:var(--brand-600);
    transition:color .2s ease;
  }
  .text-link i{ transition:transform .25s ease; font-size:12px; }
  .text-link:hover{ color:var(--accent-500); }
  .text-link:hover i{ transform:translateX(4px); }

  /* ---------- 移动抽屉 ---------- */
  .drawer{
    position:fixed;
    inset:0;
    z-index:90;
    display:none;
    background:rgba(6,50,46,.45);
  }
  .drawer.is-open{ display:block; }
  .drawer-panel{
    position:absolute;
    inset:0;
    background:#fff;
    padding:20px;
    display:flex;
    flex-direction:column;
    overflow-y:auto;
  }
  @media (min-width:768px){
    .drawer-panel{ padding:28px 32px; }
  }
  .drawer-head{
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding-bottom:18px;
    border-bottom:1px solid var(--line);
  }
  .drawer-nav{
    display:flex;
    flex-direction:column;
    gap:6px;
    padding:20px 0;
    flex:1;
  }
  .drawer-link{
    display:flex;
    align-items:center;
    justify-content:space-between;
    min-height:52px;
    padding:0 16px;
    border-radius:14px;
    font-size:16px;
    color:var(--text);
    border:1px solid transparent;
    transition:background .2s ease, color .2s ease, border-color .2s ease;
  }
  .drawer-link:hover{ background:var(--brand-100); color:var(--brand-600); }
  .drawer-link.is-active{
    background:var(--brand-100);
    color:var(--brand-600);
    font-weight:600;
    border-color:#B9EDE3;
  }
  .drawer-cta{ width:100%; }

  /* ---------- 面包屑 ---------- */
  .crumb{
    display:flex;
    align-items:center;
    flex-wrap:wrap;
    gap:8px;
    font-size:13px;
    color:var(--text-muted);
    letter-spacing:.02em;
  }
  .crumb a{ color:var(--text-muted); transition:color .2s ease; }
  .crumb a:hover{ color:var(--brand-600); }
  .crumb .current{ color:var(--brand-600); font-weight:600; }

  /* ---------- Hero ---------- */
  .hero{
    position:relative;
    overflow:hidden;
    padding:34px 0 56px;
    background:
      radial-gradient(620px 420px at 88% 4%, rgba(55,211,180,.20), transparent 68%),
      radial-gradient(480px 380px at 6% 92%, rgba(255,209,102,.18), transparent 70%),
      #F8FAF8;
  }
  @media (min-width:768px){
    .hero{ padding:44px 0 72px; }
  }
  @media (min-width:1024px){
    .hero{ padding:52px 0 88px; }
  }

  .eyebrow{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:13px;
    letter-spacing:.14em;
    color:var(--brand-600);
    font-weight:600;
    padding:8px 16px;
    border-radius:999px;
    background:rgba(255,255,255,.85);
    border:1px solid #B9EDE3;
  }
  .eyebrow::before{
    content:'';
    width:8px;
    height:8px;
    border-radius:50%;
    background:var(--grad);
  }

  .hero-title{
    margin-top:18px;
    font-size:clamp(30px,4.4vw,50px);
    font-weight:800;
    line-height:1.2;
    letter-spacing:-.02em;
  }
  .hero-sub{
    margin-top:18px;
    font-size:clamp(16px,1.5vw,18px);
    line-height:1.85;
    color:var(--text-body);
    max-width:620px;
  }
  .hero-actions{
    display:flex;
    flex-wrap:wrap;
    gap:14px;
    margin-top:28px;
  }
  .hero-chips{
    display:flex;
    flex-wrap:wrap;
    gap:12px;
    margin-top:32px;
  }

  .hero-visual{ position:relative; }
  .hero-img{
    width:100%;
    aspect-ratio:4/3;
    object-fit:cover;
    border-radius:var(--radius-lg);
    box-shadow:var(--shadow-1);
    background:#DFF7F2;
  }
  .float-card{
    position:absolute;
    right:-6px;
    top:-14px;
    background:#fff;
    border-radius:var(--radius-md);
    padding:14px 18px;
    box-shadow:0 16px 40px rgba(6,50,46,.14);
    border:1px solid var(--line);
    min-width:168px;
  }
  .float-card .fc-num{
    font-size:22px;
    font-weight:800;
    color:var(--text);
    font-variant-numeric:tabular-nums;
    letter-spacing:-.01em;
  }
  .float-card .fc-lab{
    font-size:12px;
    color:var(--text-muted);
    letter-spacing:.03em;
    margin-top:2px;
  }
  @media (max-width:520px){
    .float-card{ position:static; margin-top:14px; }
  }

  /* ---------- 数据徽章 ---------- */
  .stat-chip{
    display:inline-flex;
    align-items:center;
    gap:10px;
    padding:9px 18px;
    border-radius:999px;
    background:
      linear-gradient(#fff,#fff) padding-box,
      linear-gradient(135deg,#0FB6A5,#FFD166) border-box;
    border:1px solid transparent;
    box-shadow:0 6px 18px rgba(6,50,46,.06);
  }
  .stat-chip .dot{
    width:8px;
    height:8px;
    border-radius:50%;
    background:var(--grad);
    flex:0 0 8px;
  }
  .stat-chip .num{
    font-size:20px;
    font-weight:700;
    color:var(--text);
    font-variant-numeric:tabular-nums;
  }
  .stat-chip .lab{
    font-size:13px;
    color:var(--text-muted);
  }

  /* ---------- 分类导览胶囊 ---------- */
  .cat-guide{
    background:var(--brand-100);
    border-top:1px solid #CFF0E9;
    border-bottom:1px solid #CFF0E9;
    padding:22px 0;
  }
  .cat-tabs{
    display:flex;
    flex-wrap:wrap;
    gap:12px;
    align-items:center;
  }
  .cat-tab{
    display:inline-flex;
    align-items:center;
    gap:8px;
    min-height:44px;
    padding:0 20px;
    border-radius:999px;
    border:1px solid #CBE9E2;
    background:#fff;
    color:var(--text-body);
    font-size:14px;
    font-weight:500;
    transition:border-color .2s ease, color .2s ease, transform .2s ease, box-shadow .2s ease;
  }
  .cat-tab:hover{ border-color:var(--brand-500); color:var(--brand-600); transform:translateY(-2px); }
  .cat-tab.is-current{
    background:linear-gradient(135deg,#0FB6A5,#37D3B4);
    color:#fff;
    border-color:transparent;
    box-shadow:0 10px 24px rgba(15,182,165,.26);
    font-weight:600;
  }

  /* ---------- 板块 ---------- */
  .section{ padding:56px 0; }
  @media (min-width:768px){ .section{ padding:80px 0; } }
  @media (min-width:1024px){ .section{ padding:96px 0; } }
  .section-alt{ background:var(--bg-alt); }
  .section-white{ background:#fff; }

  .section-head{ max-width:720px; }
  .section-head.center{ margin:0 auto; text-align:center; }
  .section-title{
    position:relative;
    padding-left:16px;
    font-size:clamp(24px,2.6vw,34px);
    font-weight:700;
    line-height:1.3;
    letter-spacing:-.01em;
  }
  .section-title::before{
    content:'';
    position:absolute;
    left:0;
    top:6px;
    bottom:6px;
    width:4px;
    border-radius:4px;
    background:var(--grad);
  }
  .section-head.center .section-title{ padding-left:0; }
  .section-head.center .section-title::before{ display:none; }
  .section-sub{
    margin-top:16px;
    font-size:16px;
    line-height:1.85;
    color:var(--text-body);
  }

  /* ---------- 卡片 ---------- */
  .card{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--radius-md);
    transition:transform .3s ease, box-shadow .3s ease, border-color .3s ease;
  }
  .card:hover{
    transform:translateY(-4px);
    box-shadow:var(--shadow-2);
    border-color:#B9EDE3;
  }

  .cap-card{
    position:relative;
    overflow:hidden;
    border-radius:var(--radius-lg);
    background:#fff;
    border:1px solid var(--line);
    padding:28px;
    box-shadow:var(--shadow-1);
    transition:transform .3s ease, box-shadow .3s ease, border-color .3s ease;
  }
  .cap-card::after{
    content:'';
    position:absolute;
    right:-40px;
    top:-40px;
    width:140px;
    height:140px;
    border-radius:50%;
    background:radial-gradient(circle,rgba(55,211,180,.16),transparent 70%);
    pointer-events:none;
  }
  .cap-card:hover{
    transform:translateY(-4px);
    box-shadow:var(--shadow-2);
    border-color:#B9EDE3;
  }
  .cap-icon{
    width:48px;
    height:48px;
    border-radius:14px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    font-size:19px;
    color:#fff;
    background:linear-gradient(135deg,#0FB6A5,#37D3B4);
    box-shadow:0 8px 20px rgba(15,182,165,.26);
  }
  .cap-icon.is-warm{ background:linear-gradient(135deg,#FF8A3D,#FFD166); box-shadow:0 8px 20px rgba(255,138,61,.26); }
  .cap-title{ margin-top:18px; font-size:19px; font-weight:600; color:var(--text); }
  .cap-desc{ margin-top:10px; font-size:15px; line-height:1.8; color:var(--text-body); }
  .cap-link{ margin-top:18px; }

  .tag{
    display:inline-flex;
    align-items:center;
    height:30px;
    padding:0 12px;
    border-radius:999px;
    background:var(--brand-100);
    color:var(--brand-700);
    font-size:13px;
    letter-spacing:.02em;
    font-weight:500;
  }
  .tag-warm{ background:#FFF3E4; color:#C2641F; }

  /* ---------- 数据卡 ---------- */
  .metric-card{
    border-radius:var(--radius-lg);
    background:#fff;
    border:1px solid var(--line);
    padding:26px;
    box-shadow:var(--shadow-1);
    transition:transform .3s ease, box-shadow .3s ease;
  }
  .metric-card:hover{ transform:translateY(-4px); box-shadow:var(--shadow-2); }
  .metric-num{
    font-size:clamp(28px,3vw,38px);
    font-weight:800;
    color:var(--text);
    font-variant-numeric:tabular-nums;
    letter-spacing:-.02em;
    line-height:1.15;
  }
  .metric-label{ margin-top:8px; font-size:15px; font-weight:600; color:var(--text); }
  .metric-note{ margin-top:6px; font-size:13px; color:var(--text-muted); line-height:1.7; }
  .metric-bar{
    margin-top:16px;
    height:6px;
    border-radius:6px;
    background:#EEF4F1;
    overflow:hidden;
  }
  .metric-bar span{
    display:block;
    height:100%;
    border-radius:6px;
    background:linear-gradient(90deg,#0FB6A5,#37D3B4 60%,#FFD166);
  }

  /* ---------- 对照卡 ---------- */
  .compare-card{
    border-radius:var(--radius-lg);
    background:#fff;
    border:1px solid var(--line);
    padding:30px;
    box-shadow:var(--shadow-1);
    transition:transform .3s ease, box-shadow .3s ease, border-color .3s ease;
  }
  .compare-card:hover{ transform:translateY(-4px); box-shadow:var(--shadow-2); }
  .compare-card.is-featured{
    border-color:transparent;
    background:
      linear-gradient(#fff,#fff) padding-box,
      linear-gradient(135deg,#0FB6A5,#FFD166) border-box;
    border:1.5px solid transparent;
  }
  .compare-head{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:12px;
    padding-bottom:18px;
    border-bottom:1px dashed var(--line);
  }
  .compare-head h3{ font-size:20px; font-weight:700; }
  .check-item{
    display:flex;
    align-items:flex-start;
    gap:12px;
    padding:12px 0;
    font-size:15px;
    line-height:1.75;
    color:var(--text-body);
  }
  .check-item i{
    flex:0 0 20px;
    width:20px;
    height:20px;
    margin-top:4px;
    border-radius:50%;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    font-size:10px;
    color:#fff;
    background:linear-gradient(135deg,#0FB6A5,#37D3B4);
  }
  .check-item.is-muted i{ background:linear-gradient(135deg,#C9D6D3,#9DB0AC); }

  /* ---------- 步骤 ---------- */
  .step-card{
    position:relative;
    border-radius:var(--radius-md);
    background:#fff;
    border:1px solid var(--line);
    padding:24px;
    height:100%;
    transition:transform .3s ease, box-shadow .3s ease, border-color .3s ease;
  }
  .step-card:hover{ transform:translateY(-4px); box-shadow:var(--shadow-2); border-color:#B9EDE3; }
  .step-index{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:38px;
    height:38px;
    border-radius:12px;
    font-size:14px;
    font-weight:700;
    color:#fff;
    background:linear-gradient(135deg,#0FB6A5,#37D3B4);
    font-variant-numeric:tabular-nums;
  }
  .step-title{ margin-top:16px; font-size:17px; font-weight:600; color:var(--text); }
  .step-desc{ margin-top:10px; font-size:14px; line-height:1.8; color:var(--text-body); }
  .step-line{
    height:2px;
    border-radius:2px;
    background:linear-gradient(90deg,#0FB6A5,#37D3B4 55%,#FFD166);
    opacity:.35;
  }

  /* ---------- FAQ ---------- */
  .faq-list{
    max-width:820px;
    margin:0 auto;
    display:flex;
    flex-direction:column;
    gap:14px;
  }
  .faq-item{
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--radius-lg);
    overflow:hidden;
    transition:box-shadow .3s ease, border-color .3s ease;
  }
  .faq-item:hover{ border-color:#B9EDE3; }
  .faq-item.is-open{ box-shadow:var(--shadow-1); border-color:#B9EDE3; }
  .faq-q{
    width:100%;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    min-height:64px;
    padding:20px 24px;
    background:transparent;
    border:0;
    text-align:left;
    font-size:16px;
    font-weight:600;
    color:var(--text);
    line-height:1.6;
  }
  .faq-icon{
    flex:0 0 28px;
    width:28px;
    height:28px;
    border-radius:50%;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    background:var(--brand-100);
    color:var(--brand-700);
    font-size:12px;
    transition:transform .3s ease, background .3s ease, color .3s ease;
  }
  .faq-item.is-open .faq-icon{
    transform:rotate(45deg);
    background:linear-gradient(135deg,#0FB6A5,#37D3B4);
    color:#fff;
  }
  .faq-a{
    max-height:0;
    overflow:hidden;
    transition:max-height .35s ease;
  }
  .faq-a-inner{
    position:relative;
    padding:0 24px 24px 24px;
  }
  .faq-a-inner::before{
    content:'';
    position:absolute;
    left:24px;
    top:2px;
    bottom:26px;
    width:3px;
    border-radius:3px;
    background:linear-gradient(180deg,#0FB6A5,#FFD166);
  }
  .faq-a-inner p{
    padding-left:18px;
    font-size:15px;
    line-height:1.85;
    color:var(--text-body);
  }

  /* ---------- CTA 深色带 ---------- */
  .cta-band{
    position:relative;
    overflow:hidden;
    background:#06322E;
    color:#fff;
    padding:64px 0;
  }
  @media (min-width:1024px){ .cta-band{ padding:88px 0; } }
  .cta-band::before{
    content:'';
    position:absolute;
    right:-120px;
    top:-140px;
    width:460px;
    height:460px;
    border-radius:50%;
    background:radial-gradient(circle,rgba(55,211,180,.34),transparent 66%);
    pointer-events:none;
  }
  .cta-band::after{
    content:'';
    position:absolute;
    left:-140px;
    bottom:-180px;
    width:420px;
    height:420px;
    border-radius:50%;
    background:radial-gradient(circle,rgba(255,209,102,.20),transparent 68%);
    pointer-events:none;
  }
  .cta-inner{ position:relative; z-index:1; max-width:760px; }
  .cta-title{
    font-size:clamp(24px,2.8vw,36px);
    font-weight:700;
    line-height:1.3;
    color:#fff;
    letter-spacing:-.01em;
  }
  .cta-text{
    margin-top:16px;
    font-size:16px;
    line-height:1.85;
    color:#CFF3EA;
  }
  .cta-actions{
    display:flex;
    flex-wrap:wrap;
    gap:14px;
    margin-top:30px;
  }
  .cta-meta{
    margin-top:26px;
    display:flex;
    flex-wrap:wrap;
    gap:10px 28px;
    font-size:14px;
    color:#9FD8CC;
  }

  /* ---------- 相关分类卡 ---------- */
  .cat-card{
    display:flex;
    flex-direction:column;
    overflow:hidden;
    border-radius:var(--radius-md);
    background:#fff;
    border:1px solid var(--line);
    transition:transform .3s ease, box-shadow .3s ease, border-color .3s ease;
  }
  .cat-card:hover{
    transform:translateY(-4px);
    box-shadow:var(--shadow-2);
    border-color:#B9EDE3;
  }
  .cat-card-img{
    width:100%;
    aspect-ratio:16/9;
    object-fit:cover;
    background:#DFF7F2;
    transition:transform .4s ease;
  }
  .cat-card:hover .cat-card-img{ transform:scale(1.04); }
  .cat-card-media{ overflow:hidden; position:relative; }
  .cat-card-badge{
    position:absolute;
    left:14px;
    top:14px;
    height:28px;
    display:inline-flex;
    align-items:center;
    padding:0 12px;
    border-radius:999px;
    font-size:12px;
    font-weight:600;
    color:#06322E;
    background:rgba(255,255,255,.9);
  }
  .cat-card-body{ padding:20px; display:flex; flex-direction:column; flex:1; }
  .cat-card-body h3{ font-size:17px; font-weight:600; line-height:1.5; }
  .cat-card-body p{ margin-top:10px; font-size:14px; line-height:1.8; color:var(--text-body); }
  .cat-card-foot{
    margin-top:18px;
    padding-top:14px;
    border-top:1px solid var(--line);
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:12px;
    font-size:13px;
    color:var(--text-muted);
  }

  /* ---------- 页脚 ---------- */
  .site-footer{ background:#06322E; color:#CFF3EA; }
  .site-footer h4{
    font-size:14px;
    font-weight:600;
    letter-spacing:.04em;
    color:#fff;
    margin-bottom:18px;
  }
  .site-footer ul li{ margin-bottom:10px; }
  .footer-link{
    display:inline-block;
    font-size:14px;
    color:#CFF3EA;
    line-height:1.7;
    transition:color .2s ease, transform .2s ease;
  }
  .footer-link:hover{ color:#0FB6A5; transform:translateX(-2px); }
  .footer-bottom{
    margin-top:56px;
    padding:22px 0 30px;
    border-top:1px solid rgba(255,255,255,.12);
    display:flex;
    flex-wrap:wrap;
    gap:10px 24px;
    justify-content:space-between;
    font-size:13px;
    color:#9FC9C0;
  }

  /* ---------- 进场动画 ---------- */
  .reveal{
    opacity:0;
    transform:translateY(16px);
    transition:opacity .5s ease, transform .5s ease;
  }
  .reveal.is-visible{ opacity:1; transform:none; }

  @media (prefers-reduced-motion: reduce){
    html{ scroll-behavior:auto; }
    .reveal{ transform:none; transition:opacity .3s ease; }
    .card:hover,.cap-card:hover,.metric-card:hover,.step-card:hover,.cat-card:hover,.btn-primary:hover,.btn-outline:hover{ transform:none; }
  }

/* roulang page: category2 */
:root{
  --brand-300:#5FD6C3;
  --brand-500:#0FB6A5;
  --brand-600:#0A9488;
  --brand-050:#DFF7F2;
  --accent:#FF8A3D;
  --accent-soft:#FFD166;
  --ink:#0B2320;
  --body:#3E5754;
  --muted:#7A8C89;
  --line:#E3E9E6;
  --bg:#F8FAF8;
  --card:#FFFFFF;
  --alt:#EEF4F1;
  --deep:#06322E;
  --r-xl:24px;
  --r-md:18px;
  --r-sm:12px;
  --sh:0 8px 30px rgba(6,50,46,.08);
  --sh-hover:0 18px 44px rgba(15,182,165,.18);
  --t:all .3s cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",Inter,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--body);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
a{color:inherit;text-decoration:none;transition:var(--t);}
img{max-width:100%;display:block;}
button,input,select,textarea{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
::selection{background:var(--brand-050);color:var(--ink);}
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-thumb{background:#C7D6D3;border-radius:999px;border:3px solid var(--bg);}
::-webkit-scrollbar-thumb:hover{background:#9BE4D6;}

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

.sec{padding-top:56px;padding-bottom:56px;}
@media (min-width:768px){.sec{padding-top:80px;padding-bottom:80px;}}
@media (min-width:1024px){.sec{padding-top:96px;padding-bottom:96px;}}
.sec-alt{background:var(--alt);}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  border-bottom:1px solid transparent;
  transition:var(--t);
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(12px);
  border-bottom-color:var(--line);
  box-shadow:0 6px 22px rgba(6,50,46,.06);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:78px;transition:var(--t);}
.site-header.is-scrolled .nav-inner{height:64px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--ink);letter-spacing:-.01em;}
.logo-mark{
  width:36px;height:36px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#0FB6A5,#37D3B4 65%,#FFD166 140%);
  color:#fff;font-size:15px;box-shadow:0 8px 18px rgba(15,182,165,.28);flex:none;
}
.nav-links{display:none;align-items:center;gap:6px;}
@media (min-width:1024px){.nav-links{display:flex;}}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:44px;padding:0 14px;
  font-size:15px;color:var(--body);border-radius:10px;
}
.nav-link:hover{color:var(--brand-600);background:var(--brand-050);}
.nav-link.is-active{color:var(--brand-600);font-weight:600;}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,#0FB6A5,#FFD166);
}
.menu-btn{
  display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);color:var(--ink);background:#fff;
}
.menu-btn:hover{border-color:#9BE4D6;color:var(--brand-600);}
@media (min-width:1024px){.menu-btn{display:none;}}
.nav-cta{display:none;}
@media (min-width:640px){.nav-cta{display:inline-flex;}}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 28px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;cursor:pointer;
  transition:var(--t);
}
.btn-sm{height:44px;padding:0 20px;font-size:14px;}
.btn-primary{
  background:linear-gradient(135deg,#0FB6A5 0%,#37D3B4 68%,#FFD166 145%);
  color:#fff;box-shadow:0 10px 26px rgba(15,182,165,.26);
}
.btn-primary:hover{transform:translateY(-2px) scale(1.02);box-shadow:0 16px 34px rgba(15,182,165,.34);}
.btn-primary:active{transform:translateY(0) scale(.99);box-shadow:0 6px 16px rgba(15,182,165,.24);}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--brand-600);}
.btn-ghost:hover{border-color:#9BE4D6;background:var(--brand-050);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-deep{background:rgba(255,255,255,.1);border-color:rgba(207,243,234,.35);color:#FFFFFF;}
.btn-deep:hover{background:rgba(255,255,255,.18);transform:translateY(-2px);}

.text-link{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--brand-600);}
.text-link i{transition:transform .28s ease;}
.text-link:hover i{transform:translateX(4px);}
.text-link:hover{color:var(--brand-500);}

/* ---------- decorative ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;min-height:30px;padding:0 14px;border-radius:999px;
  background:rgba(255,255,255,.7);border:1px solid rgba(15,182,165,.22);
  color:var(--brand-600);font-size:13px;letter-spacing:.04em;font-weight:600;
}
.eyebrow::before{content:"";width:8px;height:8px;border-radius:50%;background:linear-gradient(135deg,#0FB6A5,#FFD166);flex:none;}
.h1{font-size:clamp(30px,4.4vw,52px);font-weight:800;line-height:1.2;letter-spacing:-.02em;color:var(--ink);}
.h2{font-size:clamp(24px,2.6vw,34px);font-weight:700;line-height:1.3;letter-spacing:-.01em;color:var(--ink);}
.h3{font-size:19px;font-weight:600;line-height:1.45;color:var(--ink);}
.lead{font-size:17px;line-height:1.85;color:var(--body);}
.sec-head{display:flex;flex-direction:column;gap:16px;margin-bottom:40px;}
@media (min-width:1024px){.sec-head{margin-bottom:56px;}}
.sec-head .bar{width:40px;height:4px;border-radius:999px;background:linear-gradient(135deg,#0FB6A5,#FFD166);}
.sec-head--split{align-items:flex-start;}
@media (min-width:1024px){.sec-head--split{flex-direction:row;justify-content:space-between;align-items:flex-end;}}

.badge{
  display:inline-flex;align-items:center;gap:10px;min-height:30px;padding:4px 14px;border-radius:999px;
  background:rgba(255,255,255,.72);border:1px solid rgba(15,182,165,.22);font-size:13px;color:var(--body);
}
.badge strong{font-size:20px;font-weight:700;color:var(--ink);line-height:1;}
.badge .dot{width:8px;height:8px;border-radius:50%;background:linear-gradient(135deg,#0FB6A5,#FFD166);flex:none;}

.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh);transition:var(--t);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:#C7F0E8;}
.tag{
  display:inline-flex;align-items:center;min-height:26px;padding:2px 12px;border-radius:999px;
  background:var(--brand-050);color:var(--brand-600);font-size:13px;font-weight:600;
}
.tag-accent{background:rgba(255,138,61,.12);color:#C25E12;}

/* ---------- breadcrumb ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);}
.crumb a:hover{color:var(--brand-600);}
.crumb .sep{color:#C7D6D3;}
.crumb .now{color:var(--ink);font-weight:600;}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding-top:40px;padding-bottom:48px;}
@media (min-width:1024px){.hero{padding-top:56px;padding-bottom:72px;}}
.hero::before{
  content:"";position:absolute;top:-180px;right:-140px;width:620px;height:620px;border-radius:50%;
  background:radial-gradient(circle,rgba(15,182,165,.20),rgba(255,209,102,.10) 55%,rgba(15,182,165,0) 72%);
  pointer-events:none;
}
.hero-grid{position:relative;display:grid;gap:36px;}
@media (min-width:1024px){.hero-grid{grid-template-columns:7fr 5fr;gap:56px;align-items:center;}}
.hero-media{position:relative;border-radius:var(--r-xl);overflow:hidden;box-shadow:0 24px 60px rgba(6,50,46,.16);}
.hero-media img{width:100%;aspect-ratio:16/12;object-fit:cover;}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(6,50,46,.34),rgba(6,50,46,.05) 60%);
}
.float-card{
  position:absolute;left:18px;bottom:18px;right:18px;
  background:rgba(255,255,255,.94);border:1px solid rgba(255,255,255,.6);border-radius:var(--r-md);
  padding:16px 18px;box-shadow:0 18px 40px rgba(6,50,46,.18);z-index:2;
}
@media (min-width:640px){.float-card{right:auto;width:270px;}}

/* ---------- tabs ---------- */
.tab-bar{display:flex;flex-wrap:wrap;gap:12px;}
.tab{
  display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 22px;border-radius:999px;
  border:1px solid var(--line);background:#fff;color:var(--body);font-size:15px;font-weight:500;
  transition:var(--t);
}
.tab:hover{border-color:#9BE4D6;color:var(--brand-600);transform:translateY(-2px);box-shadow:0 10px 24px rgba(15,182,165,.12);}
.tab.is-current{
  background:linear-gradient(135deg,#0FB6A5,#37D3B4);color:#fff;border-color:transparent;
  box-shadow:0 12px 28px rgba(15,182,165,.28);font-weight:600;
}

/* ---------- steps ---------- */
.steps{position:relative;display:grid;gap:24px;}
@media (min-width:1024px){
  .steps{grid-template-columns:repeat(5,1fr);gap:20px;}
  .steps::before{
    content:"";position:absolute;top:23px;left:8%;right:8%;height:2px;
    background:linear-gradient(90deg,#0FB6A5,#37D3B4,#FFD166);opacity:.32;
  }
}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:22px 20px;box-shadow:var(--sh);}
@media (min-width:1024px){.step{background:transparent;border:0;box-shadow:none;padding:0;}}
.step-dot{
  width:48px;height:48px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#0FB6A5,#37D3B4);color:#fff;font-weight:700;font-size:15px;
  box-shadow:0 10px 22px rgba(15,182,165,.26);margin-bottom:16px;
}
.step h3{font-size:17px;font-weight:600;color:var(--ink);margin-bottom:10px;}
.step p{font-size:15px;line-height:1.75;color:var(--body);}

/* ---------- media rows ---------- */
.media-row{display:grid;gap:32px;align-items:center;}
@media (min-width:1024px){.media-row{grid-template-columns:1fr 1fr;gap:64px;}}
.media-img{position:relative;border-radius:var(--r-xl);overflow:hidden;box-shadow:0 20px 52px rgba(6,50,46,.14);}
.media-img img{width:100%;aspect-ratio:16/11;object-fit:cover;transition:transform .5s ease;}
.media-img:hover img{transform:scale(1.03);}
.media-img .corner{
  position:absolute;top:16px;left:16px;z-index:2;
}
@media (min-width:1024px){
  .media-row.reverse .media-img{order:2;}
  .media-row.reverse .media-text{order:1;}
}
.check-list{display:grid;gap:12px;margin-top:22px;}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;line-height:1.75;color:var(--body);}
.check-list i{color:var(--brand-500);margin-top:6px;font-size:14px;flex:none;}

/* ---------- feature grid (asymmetric) ---------- */
.feat-grid{display:grid;gap:20px;}
@media (min-width:768px){.feat-grid{grid-template-columns:repeat(6,1fr);gap:24px;}}
.feat{grid-column:span 6;padding:26px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh);transition:var(--t);}
@media (min-width:768px){
  .feat{grid-column:span 3;}
  .feat--wide{grid-column:span 4;}
  .feat--narrow{grid-column:span 2;}
}
.feat:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:#C7F0E8;}
.feat-ico{
  width:46px;height:46px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:var(--brand-050);color:var(--brand-600);font-size:18px;margin-bottom:16px;
}
.feat h3{font-size:18px;font-weight:600;color:var(--ink);margin-bottom:10px;}
.feat p{font-size:15px;line-height:1.78;color:var(--body);}

/* ---------- deep panel ---------- */
.deep{
  position:relative;background:var(--deep);color:#CFF3EA;border-radius:32px;overflow:hidden;
  padding:56px 24px;
}
@media (min-width:768px){.deep{padding:72px 48px;}}
.deep::before{
  content:"";position:absolute;top:-160px;left:-120px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(55,211,180,.30),rgba(6,50,46,0) 70%);
}
.deep::after{
  content:"";position:absolute;bottom:-180px;right:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,209,102,.18),rgba(6,50,46,0) 70%);
}
.deep-inner{position:relative;z-index:2;}
.deep h2{color:#fff;}
.deep .sec-sub{color:#CFF3EA;}
.spec-grid{display:grid;gap:16px;margin-top:36px;}
@media (min-width:640px){.spec-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.spec-grid{grid-template-columns:repeat(3,1fr);}}
.spec{
  background:rgba(255,255,255,.06);border:1px solid rgba(207,243,234,.22);border-radius:var(--r-md);
  padding:22px;transition:var(--t);
}
.spec:hover{background:rgba(255,255,255,.11);transform:translateY(-3px);border-color:rgba(55,211,180,.55);}
.spec .k{font-size:13px;letter-spacing:.04em;color:#9BE4D6;}
.spec .v{font-size:clamp(22px,2.4vw,30px);font-weight:700;color:#fff;line-height:1.3;margin:8px 0 6px;}
.spec .d{font-size:14px;line-height:1.7;color:#CFF3EA;}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:14px;max-width:860px;}
.faq{background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);box-shadow:var(--sh);overflow:hidden;transition:var(--t);}
.faq:hover{border-color:#C7F0E8;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;text-align:left;
  min-height:64px;padding:18px 24px;font-size:16px;font-weight:600;color:var(--ink);
}
.faq-q .plus{
  width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:var(--brand-050);color:var(--brand-600);font-size:13px;flex:none;transition:transform .3s ease;
}
.faq.is-open .faq-q .plus{transform:rotate(45deg);background:linear-gradient(135deg,#0FB6A5,#37D3B4);color:#fff;}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .32s ease;}
.faq.is-open .faq-a{grid-template-rows:1fr;}
.faq-a > div{overflow:hidden;}
.faq-a p{
  position:relative;padding:0 24px 22px 32px;font-size:15px;line-height:1.85;color:var(--body);
}
.faq-a p::before{
  content:"";position:absolute;left:22px;top:6px;bottom:26px;width:3px;border-radius:3px;
  background:linear-gradient(180deg,#0FB6A5,#FFD166);
}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--deep);border-radius:32px;padding:48px 24px;
}
@media (min-width:768px){.cta-band{padding:64px 56px;}}
.cta-band::before{
  content:"";position:absolute;top:-140px;right:-80px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(55,211,180,.34),rgba(6,50,46,0) 70%);
}
.cta-inner{position:relative;z-index:2;display:grid;gap:28px;}
@media (min-width:1024px){.cta-inner{grid-template-columns:8fr 4fr;align-items:center;}}
.cta-band h2{color:#fff;}
.cta-band p{color:#CFF3EA;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- cards ---------- */
.grid-cards{display:grid;gap:24px;}
@media (min-width:640px){.grid-cards{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.grid-cards{grid-template-columns:repeat(3,1fr);}}
.post-card{display:flex;flex-direction:column;overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh);transition:var(--t);}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:#C7F0E8;}
.post-card .thumb{overflow:hidden;position:relative;}
.post-card .thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s ease;}
.post-card:hover .thumb img{transform:scale(1.04);}
.post-card .body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1;}
.post-card .foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;font-size:13px;color:var(--muted);}

/* ---------- footer ---------- */
.site-footer{background:var(--deep);color:#CFF3EA;padding-bottom:32px;margin-top:16px;}
.site-footer h4{font-size:14px;letter-spacing:.04em;font-weight:600;color:#fff;margin-bottom:18px;}
.site-footer ul{display:grid;gap:11px;}
.footer-link{font-size:14px;color:#CFF3EA;display:inline-block;}
.footer-link:hover{color:var(--brand-300);transform:translateX(2px);}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(207,243,234,.16);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:#9BE4D6;
}

/* ---------- drawer ---------- */
.drawer{position:fixed;inset:0;z-index:80;visibility:hidden;pointer-events:none;}
.drawer.is-open{visibility:visible;pointer-events:auto;}
.drawer-backdrop{position:absolute;inset:0;background:rgba(6,50,46,.5);opacity:0;transition:opacity .3s ease;}
.drawer.is-open .drawer-backdrop{opacity:1;}
.drawer-panel{
  position:absolute;top:0;right:0;height:100%;width:min(360px,88vw);background:#fff;
  display:flex;flex-direction:column;gap:22px;padding:20px;transform:translateX(100%);
  transition:transform .34s cubic-bezier(.4,0,.2,1);overflow-y:auto;
}
.drawer.is-open .drawer-panel{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);color:var(--ink);display:flex;align-items:center;justify-content:center;}
.drawer-close:hover{border-color:#9BE4D6;color:var(--brand-600);}
.drawer-nav{display:grid;gap:6px;}
.drawer-link{padding:13px 14px;border-radius:12px;font-size:16px;color:var(--ink);border:1px solid transparent;}
.drawer-link:hover{background:var(--brand-050);color:var(--brand-600);}
.drawer-link.is-active{background:var(--brand-050);color:var(--brand-600);font-weight:600;border-color:#C7F0E8;}
body.no-scroll{overflow:hidden;}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .5s ease,transform .5s ease;}
.reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .reveal{transform:none;transition:opacity .3s ease;}
  *{animation-duration:.01ms !important;transition-duration:.01ms !important;}
}

/* roulang page: category3 */
:root{
  --brand-50:#DFF7F2;
  --brand-100:#C6F1E9;
  --brand:#0FB6A5;
  --brand-dark:#0A9488;
  --brand-deep:#06322E;
  --accent:#FF8A3D;
  --accent-soft:#FFA96B;
  --gold:#FFD166;
  --ink:#0B2320;
  --text:#3E5754;
  --muted:#7A8C89;
  --line:#E3E9E6;
  --bg:#F8FAF8;
  --bg-alt:#EEF4F1;
  --white:#FFFFFF;
  --grad:linear-gradient(135deg,#0FB6A5 0%,#37D3B4 55%,#FFD166 100%);
  --grad-soft:linear-gradient(135deg,rgba(15,182,165,.14) 0%,rgba(55,211,180,.10) 50%,rgba(255,209,102,.16) 100%);
  --radius-xl:24px;
  --radius-lg:18px;
  --radius-md:14px;
  --radius-sm:12px;
  --shadow-1:0 8px 30px rgba(6,50,46,.08);
  --shadow-2:0 18px 44px rgba(15,182,165,.18);
  --shadow-3:0 26px 60px rgba(6,50,46,.18);
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'Inter','PingFang SC','HarmonyOS Sans SC','Noto Sans SC','Microsoft YaHei',sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);font-weight:700;line-height:1.3;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:inherit;text-decoration:none;transition:color .25s var(--ease),border-color .25s var(--ease),background-color .25s var(--ease);}
img{max-width:100%;display:block;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,textarea{font-family:inherit;font-size:15px;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}
::selection{background:var(--brand);color:#fff;}
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:#EFF4F2;}
::-webkit-scrollbar-thumb{background:#BFD8D2;border-radius:999px;}
::-webkit-scrollbar-thumb:hover{background:var(--brand);}

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

/* ===== 顶部导航 ===== */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:90;
  background:rgba(255,255,255,.94);
  border-bottom:1px solid transparent;
  transition:height .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease),background-color .3s var(--ease);
  backdrop-filter:blur(12px);
}
.site-header.is-scrolled{
  border-bottom-color:var(--line);
  box-shadow:0 6px 24px rgba(6,50,46,.07);
  background:rgba(255,255,255,.88);
}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  height:78px;
  transition:height .3s var(--ease);
}
.site-header.is-scrolled .nav-inner{height:64px;}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-weight:800;
  font-size:18px;
  letter-spacing:-.01em;
  color:var(--ink);
  white-space:nowrap;
}
.logo-mark{
  width:34px;height:34px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:11px;
  background:var(--grad);
  color:#fff;
  font-size:15px;
  box-shadow:0 6px 18px rgba(15,182,165,.32);
}
.nav-links{display:none;}
@media (min-width:1024px){
  .nav-links{display:flex;align-items:center;gap:4px;}
}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:40px;
  padding:0 14px;
  border-radius:10px;
  font-size:15px;
  color:var(--text);
  font-weight:500;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:4px;
  height:2px;
  border-radius:2px;
  background:var(--grad);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .28s var(--ease);
}
.nav-link:hover{color:var(--brand-dark);background:#F2FBF9;}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--brand-dark);font-weight:600;}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:50px;
  padding:0 28px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  line-height:1;
  cursor:pointer;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background-color .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease);
  white-space:nowrap;
}
.btn-sm{min-height:44px;padding:0 20px;font-size:14px;}
.btn-primary{
  background:var(--grad);
  color:#fff;
  box-shadow:0 10px 26px rgba(15,182,165,.30);
  background-size:150% 150%;
}
.btn-primary:hover{
  transform:translateY(-2px) scale(1.02);
  box-shadow:0 16px 34px rgba(15,182,165,.36);
  background-position:100% 50%;
}
.btn-primary:active{transform:translateY(0) scale(.99);}
.btn-ghost{
  background:#fff;
  color:var(--brand-dark);
  border:1px solid var(--line);
}
.btn-ghost:hover{
  border-color:var(--brand);
  background:var(--brand-50);
  transform:translateY(-2px);
}
.btn-ghost:active{transform:translateY(0);}
.btn-light{
  background:rgba(255,255,255,.14);
  color:#fff;
  border:1px solid rgba(255,255,255,.32);
}
.btn-light:hover{background:rgba(255,255,255,.24);transform:translateY(-2px);}

.menu-btn{
  width:44px;height:44px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  border:1px solid var(--line);
  color:var(--ink);
  background:#fff;
  font-size:17px;
}
.menu-btn:hover{border-color:var(--brand);color:var(--brand-dark);}
@media (min-width:1024px){.menu-btn{display:none;}}
.nav-cta{display:none;}
@media (min-width:640px){.nav-cta{display:inline-flex;}}

/* 移动端抽屉 */
.drawer{
  position:fixed;
  inset:0;
  z-index:95;
  background:rgba(6,50,46,.45);
  opacity:0;
  visibility:hidden;
  transition:opacity .3s var(--ease),visibility .3s var(--ease);
}
.drawer.is-open{opacity:1;visibility:visible;}
.drawer-panel{
  position:absolute;
  top:0;right:0;
  width:min(86vw,360px);
  height:100%;
  background:#fff;
  padding:22px 22px 32px;
  display:flex;
  flex-direction:column;
  gap:8px;
  transform:translateX(100%);
  transition:transform .32s var(--ease);
  overflow-y:auto;
}
.drawer.is-open .drawer-panel{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--line);}
.drawer-close{
  width:44px;height:44px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  border:1px solid var(--line);
  color:var(--ink);
}
.drawer-close:hover{border-color:var(--brand);color:var(--brand-dark);}
.drawer-link{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:52px;
  padding:0 14px;
  border-radius:14px;
  font-size:16px;
  font-weight:500;
  color:var(--ink);
  border:1px solid transparent;
}
.drawer-link:hover{background:var(--brand-50);color:var(--brand-dark);}
.drawer-link.is-active{background:var(--brand-50);color:var(--brand-dark);font-weight:600;border-color:#BFEDE4;}
.drawer-foot{margin-top:auto;padding-top:22px;border-top:1px solid var(--line);}

/* ===== 面包屑 ===== */
.crumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13.5px;
  color:var(--muted);
  padding-top:104px;
}
.crumb a:hover{color:var(--brand-dark);}
.crumb .sep{color:#C3D2CF;}
.crumb .current{color:var(--ink);font-weight:600;}

/* ===== Hero Banner ===== */
.hero-banner{
  position:relative;
  margin-top:24px;
  border-radius:var(--radius-xl);
  overflow:hidden;
  min-height:440px;
  display:flex;
  align-items:flex-end;
  background:#0A9488 url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  box-shadow:var(--shadow-3);
}
.hero-banner::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,50,46,.30) 0%,rgba(6,50,46,.62) 48%,rgba(6,50,46,.90) 100%);
}
.hero-inner{
  position:relative;
  z-index:2;
  padding:44px 28px 40px;
  width:100%;
}
@media (min-width:768px){.hero-inner{padding:56px 52px 52px;}}
.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:32px;
  padding:0 16px;
  border-radius:999px;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.34);
  color:#EAFBF7;
  font-size:13px;
  letter-spacing:.04em;
  font-weight:600;
}
.hero-tag i{color:var(--gold);}
.hero-banner h1{
  color:#fff;
  font-size:clamp(28px,4.2vw,46px);
  font-weight:800;
  line-height:1.22;
  letter-spacing:-.02em;
  margin-top:20px;
  max-width:820px;
}
.hero-sub{
  color:#CFF3EA;
  font-size:clamp(15px,1.6vw,18px);
  line-height:1.8;
  margin-top:18px;
  max-width:640px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-pills{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px;}
.stat-pill{
  display:inline-flex;
  align-items:center;
  gap:10px;
  min-height:44px;
  padding:6px 18px 6px 14px;
  border-radius:999px;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.28);
  color:#fff;
  font-size:13px;
}
.stat-pill .dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--grad);
  flex:0 0 auto;
}
.stat-pill b{font-size:19px;font-weight:800;letter-spacing:-.01em;}
.stat-pill span{color:#CFF3EA;}

/* ===== 分类导览胶囊 ===== */
.cat-tabs{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:28px;
}
.cat-tab{
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:46px;
  padding:0 22px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--text);
  font-size:14.5px;
  font-weight:600;
  box-shadow:0 4px 14px rgba(6,50,46,.05);
}
.cat-tab:hover{border-color:var(--brand);color:var(--brand-dark);transform:translateY(-2px);}
.cat-tab.is-current{
  background:var(--grad);
  border-color:transparent;
  color:#fff;
  box-shadow:0 12px 26px rgba(15,182,165,.28);
}
.cat-tab.is-current:hover{color:#fff;}

/* ===== 通用板块 ===== */
.section{padding:56px 0;}
@media (min-width:768px){.section{padding:80px 0;}}
@media (min-width:1024px){.section{padding:96px 0;}}
.section-alt{background:var(--bg-alt);}
.section-head{max-width:760px;margin-bottom:40px;}
@media (min-width:1024px){.section-head{margin-bottom:56px;}}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.1em;
  color:var(--brand-dark);
  text-transform:uppercase;
}
.eyebrow::before{
  content:"";
  width:26px;height:3px;border-radius:3px;
  background:var(--grad);
}
.section-title{
  position:relative;
  font-size:clamp(23px,2.6vw,33px);
  font-weight:700;
  line-height:1.32;
  letter-spacing:-.01em;
  margin-top:16px;
  padding-left:16px;
}
.section-title::before{
  content:"";
  position:absolute;
  left:0;top:8px;bottom:8px;
  width:4px;
  border-radius:4px;
  background:var(--grad);
}
.section-desc{margin-top:18px;font-size:16px;line-height:1.85;color:var(--text);}

/* ===== 场景大卡网格 ===== */
.scene-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:24px;
}
@media (min-width:768px){.scene-grid{grid-template-columns:repeat(2,1fr);gap:28px;}}
.scene-card{
  background:#fff;
  border-radius:var(--radius-xl);
  border:1px solid var(--line);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .32s var(--ease),box-shadow .32s var(--ease),border-color .32s var(--ease);
  display:flex;
  flex-direction:column;
}
.scene-card:hover{
  transform:translateY(-5px);
  box-shadow:var(--shadow-2);
  border-color:#BEEDE4;
}
.scene-media{
  position:relative;
  aspect-ratio:16/8;
  overflow:hidden;
  background:#E7F2EF;
}
.scene-media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .5s var(--ease);
}
.scene-card:hover .scene-media img{transform:scale(1.05);}
.scene-media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,50,46,0) 40%,rgba(6,50,46,.42) 100%);
}
.scene-chip{
  position:absolute;
  left:16px;top:16px;
  z-index:2;
  display:inline-flex;
  align-items:center;
  gap:7px;
  height:30px;
  padding:0 14px;
  border-radius:999px;
  background:rgba(255,255,255,.9);
  color:var(--brand-deep);
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.03em;
}
.scene-chip i{color:var(--accent);}
.scene-body{padding:24px;flex:1;display:flex;flex-direction:column;}
.scene-body h3{font-size:19px;font-weight:700;letter-spacing:-.01em;}
.scene-body > p{margin-top:12px;font-size:15px;line-height:1.8;color:var(--text);}
.scene-points{margin-top:18px;display:flex;flex-direction:column;gap:10px;}
.scene-points li{
  position:relative;
  padding-left:22px;
  font-size:14.5px;
  color:var(--text);
  line-height:1.7;
}
.scene-points li::before{
  content:"";
  position:absolute;
  left:0;top:9px;
  width:10px;height:10px;
  border-radius:50%;
  background:var(--grad);
}
.scene-more{
  margin-top:22px;
  padding-top:18px;
  border-top:1px dashed var(--line);
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  font-weight:600;
  color:var(--brand-dark);
}
.scene-more i{transition:transform .28s var(--ease);}
.scene-card:hover .scene-more i{transform:translateX(4px);}

/* ===== 流程步骤条 ===== */
.steps{
  display:grid;
  grid-template-columns:1fr;
  gap:20px;
  counter-reset:step;
}
@media (min-width:768px){.steps{grid-template-columns:repeat(5,1fr);gap:16px;}}
.step{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:26px 22px 24px;
  box-shadow:var(--shadow-1);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#BEEDE4;}
.step-node{
  width:38px;height:38px;
  border-radius:50%;
  background:var(--grad);
  color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-weight:800;
  font-size:15px;
  box-shadow:0 8px 20px rgba(15,182,165,.30);
}
.step h3{font-size:16.5px;margin-top:18px;}
.step p{font-size:14px;line-height:1.75;color:var(--text);margin-top:10px;}
@media (min-width:768px){
  .step::after{
    content:"";
    position:absolute;
    right:-9px;top:44px;
    width:18px;height:2px;
    background:linear-gradient(90deg,rgba(15,182,165,.55),rgba(15,182,165,.05));
  }
  .step:last-child::after{display:none;}
}

/* ===== 规模适配对比 ===== */
.scale-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:24px;
}
@media (min-width:900px){.scale-grid{grid-template-columns:repeat(3,1fr);gap:26px;}}
.scale-card{
  background:#fff;
  border-radius:var(--radius-xl);
  border:1px solid var(--line);
  padding:30px 26px;
  box-shadow:var(--shadow-1);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease);
  position:relative;
  overflow:hidden;
}
.scale-card::before{
  content:"";
  position:absolute;
  right:-40px;top:-40px;
  width:130px;height:130px;
  border-radius:50%;
  background:var(--grad-soft);
}
.scale-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-2);}
.scale-card h3{font-size:18px;position:relative;z-index:1;}
.scale-card .scale-note{
  margin-top:8px;
  font-size:13px;
  color:var(--muted);
  letter-spacing:.03em;
}
.scale-list{margin-top:20px;display:flex;flex-direction:column;gap:12px;position:relative;z-index:1;}
.scale-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14.5px;line-height:1.72;color:var(--text);
}
.scale-list i{color:var(--brand);margin-top:5px;font-size:13px;}

/* ===== 数据带 ===== */
.metric-band{
  display:grid;
  grid-template-columns:1fr;
  gap:18px;
  margin-top:48px;
}
@media (min-width:768px){.metric-band{grid-template-columns:repeat(3,1fr);gap:22px;}}
.metric{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-xl);
  padding:26px 24px;
  box-shadow:var(--shadow-1);
}
.metric b{
  display:block;
  font-size:clamp(26px,3vw,38px);
  font-weight:800;
  letter-spacing:-.02em;
  color:var(--brand-deep);
}
.metric span{display:block;margin-top:10px;font-size:14.5px;color:var(--text);}
.metric em{display:block;margin-top:6px;font-size:12.5px;color:var(--muted);font-style:normal;letter-spacing:.03em;}

/* ===== 案例横排 ===== */
.case-row{
  display:grid;
  grid-template-columns:1fr;
  gap:22px;
}
@media (min-width:768px){.case-row{grid-template-columns:repeat(3,1fr);gap:24px;}}
.case-card{
  background:#fff;
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  padding:24px;
  box-shadow:var(--shadow-1);
  display:flex;
  flex-direction:column;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#BEEDE4;}
.case-top{display:flex;align-items:center;gap:12px;}
.case-avatar{
  width:44px;height:44px;border-radius:13px;
  background:var(--grad-soft);
  border:1px solid #CBE9E2;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--brand-dark);
  font-size:17px;
  flex:0 0 auto;
}
.case-card h3{font-size:16.5px;line-height:1.45;}
.case-card .case-tag{font-size:12.5px;color:var(--muted);letter-spacing:.03em;}
.case-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.mini-badge{
  display:inline-flex;
  align-items:center;
  gap:7px;
  height:30px;
  padding:0 12px;
  border-radius:999px;
  background:#F4FBF9;
  border:1px solid #CBE9E2;
  font-size:12.5px;
  color:var(--brand-deep);
  font-weight:600;
}
.mini-badge i{color:var(--accent);font-size:11px;}
.case-card p{margin-top:18px;font-size:14.5px;line-height:1.78;color:var(--text);}
.case-link{
  margin-top:20px;
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  font-weight:600;
  color:var(--brand-dark);
}
.case-link i{transition:transform .28s var(--ease);}
.case-card:hover .case-link i{transform:translateX(4px);}

/* ===== 图文分栏 ===== */
.split{
  display:grid;
  grid-template-columns:1fr;
  gap:32px;
  align-items:center;
}
@media (min-width:1024px){
  .split{grid-template-columns:1.05fr .95fr;gap:56px;}
  .split.reverse .split-media{order:2;}
}
.split-media{
  border-radius:var(--radius-xl);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  border:1px solid var(--line);
  aspect-ratio:4/3;
  background:#E7F2EF;
}
.split-media img{width:100%;height:100%;object-fit:cover;}
.split-list{margin-top:26px;display:flex;flex-direction:column;gap:18px;}
.split-list li{display:flex;gap:14px;align-items:flex-start;}
.split-list .ico{
  width:40px;height:40px;border-radius:12px;
  background:var(--brand-50);
  color:var(--brand-dark);
  display:inline-flex;align-items:center;justify-content:center;
  flex:0 0 auto;
  font-size:15px;
}
.split-list h3{font-size:16.5px;}
.split-list p{font-size:14.5px;line-height:1.75;margin-top:6px;}

/* ===== FAQ ===== */
.faq-wrap{max-width:800px;margin:0 auto;}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-xl);
  margin-bottom:14px;
  overflow:hidden;
  transition:box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.faq-item:hover{border-color:#BEEDE4;box-shadow:var(--shadow-1);}
.faq-q{
  width:100%;
  min-height:66px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:16px 24px;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--ink);
}
.faq-q .plus{
  width:30px;height:30px;
  flex:0 0 auto;
  border-radius:9px;
  background:#F1FAF8;
  border:1px solid #D5EDE7;
  color:var(--brand-dark);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;
  transition:transform .3s var(--ease),background-color .3s var(--ease),color .3s var(--ease);
}
.faq-item.is-open .plus{
  transform:rotate(45deg);
  background:var(--grad);
  border-color:transparent;
  color:#fff;
}
.faq-a{
  display:none;
  padding:0 24px 22px;
  position:relative;
}
.faq-item.is-open .faq-a{display:block;}
.faq-a::before{
  content:"";
  position:absolute;
  left:24px;top:2px;bottom:22px;
  width:3px;
  border-radius:3px;
  background:var(--grad);
}
.faq-a p{padding-left:18px;font-size:15px;line-height:1.85;color:var(--text);}

/* ===== CTA 深色区 ===== */
.cta-section{padding:0 0 64px;}
@media (min-width:1024px){.cta-section{padding-bottom:88px;}}
.cta-box{
  position:relative;
  border-radius:var(--radius-xl);
  background:var(--brand-deep);
  overflow:hidden;
  padding:52px 28px;
  box-shadow:var(--shadow-3);
}
@media (min-width:768px){.cta-box{padding:64px 56px;}}
.cta-box::before{
  content:"";
  position:absolute;
  right:-120px;top:-140px;
  width:420px;height:420px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(55,211,180,.36) 0%,rgba(55,211,180,0) 68%);
}
.cta-box::after{
  content:"";
  position:absolute;
  left:-100px;bottom:-160px;
  width:360px;height:360px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,209,102,.22) 0%,rgba(255,209,102,0) 70%);
}
.cta-inner{position:relative;z-index:2;max-width:720px;}
.cta-box h2{
  color:#fff;
  font-size:clamp(23px,2.6vw,33px);
  line-height:1.32;
  letter-spacing:-.01em;
}
.cta-box p{color:#CFF3EA;font-size:16px;line-height:1.85;margin-top:18px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.cta-note{
  margin-top:26px;
  display:flex;flex-wrap:wrap;gap:20px;
  font-size:13.5px;
  color:#A9DED1;
}
.cta-note span{display:inline-flex;align-items:center;gap:8px;}
.cta-note i{color:var(--gold);}

/* ===== 相关分类 ===== */
.related-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:22px;
}
@media (min-width:768px){.related-grid{grid-template-columns:repeat(3,1fr);gap:24px;}}
.related-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:26px 24px;
  box-shadow:var(--shadow-1);
  display:flex;
  flex-direction:column;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#BEEDE4;}
.related-card .ico{
  width:44px;height:44px;
  border-radius:13px;
  background:var(--grad-soft);
  border:1px solid #CBE9E2;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--brand-dark);
  font-size:17px;
}
.related-card h3{font-size:17px;margin-top:20px;}
.related-card p{font-size:14.5px;line-height:1.78;margin-top:12px;color:var(--text);flex:1;}
.related-link{
  margin-top:20px;
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--brand-dark);
}
.related-link i{transition:transform .28s var(--ease);}
.related-card:hover .related-link i{transform:translateX(4px);}

/* ===== 页脚 ===== */
.site-footer{
  background:var(--brand-deep);
  color:#CFF3EA;
  padding-bottom:34px;
}
.site-footer h4{
  color:#fff;
  font-size:14px;
  letter-spacing:.04em;
  font-weight:700;
  margin-bottom:18px;
}
.site-footer ul{display:flex;flex-direction:column;gap:11px;}
.footer-link{
  font-size:14px;
  color:#CFF3EA;
  display:inline-block;
  transition:color .25s var(--ease),transform .25s var(--ease);
}
.footer-link:hover{color:var(--brand);transform:translateX(2px);}
.footer-bottom{
  margin-top:52px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;
  flex-wrap:wrap;
  gap:12px 26px;
  justify-content:space-between;
  font-size:13px;
  color:#9CCFC4;
}

/* ===== 进场动画 ===== */
.reveal{
  opacity:0;
  transform:translateY(22px);
  transition:opacity .5s var(--ease),transform .5s var(--ease);
  will-change:opacity,transform;
}
.reveal.in{opacity:1;transform:translateY(0);}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;transition:none;}
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
}

/* roulang page: category4 */
:root {
    --brand-500: #0FB6A5;
    --brand-600: #0A9488;
    --brand-100: #DFF7F2;
    --brand-50: #F1FCF9;
    --accent: #FF8A3D;
    --gold: #FFD166;
    --ink: #06322E;
    --bg: #F8FAF8;
    --card: #FFFFFF;
    --alt: #EEF4F1;
    --t1: #0B2320;
    --t2: #3E5754;
    --t3: #7A8C89;
    --line: #E3E9E6;
    --grad: linear-gradient(135deg, #0FB6A5 0%, #37D3B4 55%, #FFD166 100%);
    --r-lg: 24px;
    --r-md: 18px;
    --r-sm: 12px;
    --shadow-1: 0 8px 30px rgba(6, 50, 46, .08);
    --shadow-2: 0 18px 44px rgba(15, 182, 165, .18);
  }

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

  html { scroll-behavior: smooth; }

  body {
    margin: 0;
    background: var(--bg);
    color: var(--t2);
    font-family: Inter, "PingFang SC", "HarmonyOS Sans SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
    font-size: 16px;
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
  }

  body.no-scroll { overflow: hidden; }

  h1, h2, h3, h4 { margin: 0; color: var(--t1); font-weight: 700; }
  p { margin: 0; }
  ul { margin: 0; padding: 0; list-style: none; }
  a { color: inherit; text-decoration: none; }
  img { display: block; max-width: 100%; }
  button, input, textarea { font: inherit; color: inherit; }
  ::selection { background: var(--brand-100); color: var(--brand-600); }

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

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

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

  /* ============ Header / Nav ============ */
  .site-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 60;
    background: rgba(255, 255, 255, .94);
    border-bottom: 1px solid transparent;
    transition: background .3s ease, border-color .3s ease, box-shadow .3s ease;
  }
  .site-header.is-scrolled {
    background: rgba(255, 255, 255, .88);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    border-bottom-color: var(--line);
    box-shadow: 0 6px 24px rgba(6, 50, 46, .06);
  }
  .nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    height: 76px;
    transition: height .3s ease;
  }
  .site-header.is-scrolled .nav-inner { height: 64px; }

  .logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 19px;
    font-weight: 800;
    letter-spacing: -.01em;
    color: var(--t1);
    white-space: nowrap;
  }
  .logo-mark {
    width: 34px; height: 34px;
    border-radius: 11px;
    background: var(--grad);
    display: grid; place-items: center;
    color: #fff;
    font-size: 15px;
    box-shadow: 0 6px 16px rgba(15, 182, 165, .32);
  }

  .nav-links { display: none; align-items: center; gap: 4px; }
  @media (min-width: 1024px) { .nav-links { display: flex; } }

  .nav-link {
    position: relative;
    display: inline-flex;
    align-items: center;
    height: 40px;
    padding: 0 14px;
    border-radius: 999px;
    font-size: 15px;
    color: var(--t2);
    transition: color .25s ease, background .25s ease;
  }
  .nav-link:hover { color: var(--brand-600); background: var(--brand-50); }
  .nav-link.is-active { color: var(--brand-600); font-weight: 600; }
  .nav-link.is-active::after {
    content: "";
    position: absolute;
    left: 14px; right: 14px; bottom: 0;
    height: 2px;
    border-radius: 2px;
    background: var(--grad);
  }

  .nav-cta { display: none; }
  @media (min-width: 640px) { .nav-cta { display: inline-flex; } }

  .menu-btn {
    width: 44px; height: 44px;
    display: grid; place-items: center;
    border-radius: 12px;
    border: 1px solid var(--line);
    background: #fff;
    color: var(--t1);
    cursor: pointer;
    transition: border-color .25s ease, background .25s ease;
  }
  .menu-btn:hover { border-color: var(--brand-500); background: var(--brand-50); }
  @media (min-width: 1024px) { .menu-btn { display: none; } }

  .mobile-drawer {
    position: fixed;
    inset: 0;
    z-index: 80;
    background: #fff;
    padding: 18px 20px 32px;
    display: flex;
    flex-direction: column;
    gap: 22px;
    transform: translateX(100%);
    opacity: 0;
    visibility: hidden;
    transition: transform .32s ease, opacity .32s ease, visibility .32s;
    overflow-y: auto;
  }
  .mobile-drawer.is-open { transform: translateX(0); opacity: 1; visibility: visible; }
  @media (min-width: 1024px) { .mobile-drawer { display: none; } }

  .drawer-head { display: flex; align-items: center; justify-content: space-between; }
  .drawer-close {
    width: 44px; height: 44px;
    display: grid; place-items: center;
    border-radius: 12px;
    border: 1px solid var(--line);
    background: #fff;
    cursor: pointer;
  }
  .drawer-nav { display: flex; flex-direction: column; gap: 6px; }
  .drawer-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 52px;
    padding: 0 16px;
    border-radius: 14px;
    background: var(--brand-50);
    color: var(--t1);
    font-weight: 600;
    font-size: 15px;
  }
  .drawer-link.is-active { background: var(--brand-100); color: var(--brand-600); }
  .drawer-link i { color: var(--brand-500); font-size: 13px; }

  /* ============ Buttons ============ */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 50px;
    padding: 0 28px;
    border-radius: 999px;
    border: 1px solid transparent;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: transform .25s ease, box-shadow .25s ease, background .25s ease, border-color .25s ease, color .25s ease;
  }
  .btn-sm { height: 42px; padding: 0 20px; font-size: 14px; }
  .btn-primary {
    background: var(--grad);
    color: #fff;
    box-shadow: 0 10px 26px rgba(15, 182, 165, .28);
  }
  .btn-primary:hover { transform: translateY(-2px) scale(1.02); box-shadow: 0 18px 44px rgba(15, 182, 165, .34); }
  .btn-primary:active { transform: translateY(0) scale(.99); }
  .btn-ghost {
    background: #fff;
    border-color: var(--line);
    color: var(--brand-600);
  }
  .btn-ghost:hover { border-color: var(--brand-500); background: var(--brand-50); transform: translateY(-2px); }
  .btn-ghost:active { transform: translateY(0) scale(.99); }
  .btn-dark {
    background: rgba(255, 255, 255, .12);
    border-color: rgba(207, 243, 234, .38);
    color: #fff;
  }
  .btn-dark:hover { background: rgba(255, 255, 255, .2); transform: translateY(-2px); }

  .link-arrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--brand-600);
  }
  .link-arrow i { transition: transform .25s ease; }
  .link-arrow:hover i { transform: translateX(4px); }

  /* ============ Sections ============ */
  .page-main { padding-top: 76px; }
  .section { padding: 56px 0; }
  @media (min-width: 768px) { .section { padding: 80px 0; } }
  @media (min-width: 1024px) { .section { padding: 96px 0; } }
  .section-alt { background: var(--alt); }

  .sec-head { max-width: 760px; margin-bottom: 40px; }
  .sec-title {
    position: relative;
    font-size: clamp(24px, 2.6vw, 34px);
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: -.01em;
    padding-left: 16px;
  }
  .sec-title::before {
    content: "";
    position: absolute;
    left: 0; top: .18em; bottom: .18em;
    width: 4px;
    border-radius: 4px;
    background: var(--grad);
  }
  .sec-sub { margin-top: 14px; font-size: 16px; color: var(--t2); padding-left: 16px; }

  .eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    height: 30px;
    padding: 0 14px;
    border-radius: 999px;
    background: var(--brand-50);
    border: 1px solid #CFEDE6;
    color: var(--brand-600);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: .04em;
  }

  /* ============ Hero ============ */
  .page-hero {
    position: relative;
    overflow: hidden;
    background:
      radial-gradient(680px 320px at 88% -10%, rgba(55, 211, 180, .20), transparent 70%),
      radial-gradient(520px 300px at 4% 100%, rgba(255, 209, 102, .16), transparent 72%),
      var(--bg);
    padding: 36px 0 64px;
  }
  @media (min-width: 1024px) { .page-hero { padding: 52px 0 88px; } }

  .crumbs {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--t3);
    margin-bottom: 26px;
  }
  .crumbs a { color: var(--t3); transition: color .2s ease; }
  .crumbs a:hover { color: var(--brand-600); }
  .crumbs .sep { color: #C3CFCC; }
  .crumbs .current { color: var(--t1); font-weight: 600; }

  .hero-grid {
    display: grid;
    gap: 36px;
    align-items: center;
  }
  @media (min-width: 1024px) {
    .hero-grid { grid-template-columns: 7fr 5fr; gap: 56px; }
  }

  h1.hero-title {
    font-size: clamp(30px, 4.4vw, 52px);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -.02em;
    margin-top: 20px;
  }
  .grad-text {
    background: var(--grad);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
  .hero-sub {
    margin-top: 20px;
    font-size: 17px;
    line-height: 1.85;
    color: var(--t2);
    max-width: 560px;
  }
  .hero-actions { margin-top: 30px; display: flex; flex-wrap: wrap; gap: 14px; }

  .pill-tabs {
    margin-top: 34px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
  }
  .pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 44px;
    padding: 0 18px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: #fff;
    color: var(--t2);
    font-size: 14px;
    font-weight: 600;
    transition: border-color .25s ease, color .25s ease, background .25s ease, transform .25s ease;
  }
  .pill:hover { border-color: var(--brand-500); color: var(--brand-600); background: var(--brand-50); transform: translateY(-2px); }
  .pill.is-current {
    background: var(--grad);
    border-color: transparent;
    color: #fff;
    box-shadow: 0 10px 24px rgba(15, 182, 165, .26);
  }
  .pill.is-current:hover { color: #fff; }

  .hero-visual {
    position: relative;
    border-radius: var(--r-lg);
    overflow: hidden;
    border: 1px solid var(--line);
    background: #fff;
    box-shadow: var(--shadow-1);
  }
  .hero-visual img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
  .float-card {
    position: absolute;
    right: 16px;
    bottom: 16px;
    background: rgba(255, 255, 255, .96);
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 14px 18px;
    box-shadow: var(--shadow-1);
  }
  .float-card .num {
    font-size: 22px;
    font-weight: 800;
    color: var(--t1);
    font-variant-numeric: tabular-nums;
  }
  .float-card .lab { font-size: 12px; color: var(--t3); letter-spacing: .04em; }

  /* ============ Badge / Data ============ */
  .badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 30px;
    padding: 0 12px;
    border-radius: 999px;
    background: rgba(255, 255, 255, .86);
    border: 1px solid #CFEDE6;
    font-size: 12.5px;
    color: var(--t2);
    font-weight: 600;
  }
  .badge .dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--grad);
    flex: none;
  }
  .data-strip {
    display: grid;
    gap: 16px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  @media (min-width: 768px) { .data-strip { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; } }
  .data-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--r-md);
    padding: 20px;
    transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
  }
  .data-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-2); border-color: #B6ECE2; }
  .data-card .num {
    font-size: clamp(26px, 3vw, 34px);
    font-weight: 800;
    color: var(--t1);
    font-variant-numeric: tabular-nums;
    line-height: 1.2;
  }
  .data-card .num small { font-size: 14px; font-weight: 600; color: var(--brand-600); margin-left: 4px; }
  .data-card .lab { margin-top: 6px; font-size: 13px; color: var(--t3); }

  /* ============ Pricing (compact) ============ */
  .price-grid { display: grid; gap: 22px; align-items: stretch; }
  @media (min-width: 768px) { .price-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }

  .price-card {
    position: relative;
    display: flex;
    flex-direction: column;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--r-lg);
    padding: 26px 24px 24px;
    transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
  }
  .price-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-2); border-color: #B6ECE2; }
  .price-card.is-featured {
    border-color: transparent;
    box-shadow: 0 20px 50px rgba(15, 182, 165, .18);
  }
  .price-card.is-featured::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    border-radius: var(--r-lg) var(--r-lg) 0 0;
    background: var(--grad);
  }
  @media (min-width: 1024px) { .price-card.is-featured { transform: scale(1.03); } .price-card.is-featured:hover { transform: scale(1.03) translateY(-4px); } }

  .price-tag {
    position: absolute;
    top: 18px; right: 18px;
    height: 26px;
    padding: 0 12px;
    border-radius: 999px;
    background: var(--brand-100);
    color: var(--brand-600);
    font-size: 12px;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    letter-spacing: .04em;
  }
  .price-name { font-size: 18px; font-weight: 700; color: var(--t1); }
  .price-desc { margin-top: 8px; font-size: 14px; line-height: 1.7; color: var(--t3); min-height: 48px; }
  .price-amount {
    margin-top: 16px;
    font-size: clamp(24px, 2.6vw, 30px);
    font-weight: 800;
    color: var(--t1);
    font-variant-numeric: tabular-nums;
    line-height: 1.2;
  }
  .price-amount span { font-size: 14px; font-weight: 600; color: var(--t3); margin-left: 4px; }
  .price-line { height: 1px; background: var(--line); margin: 20px 0 16px; }
  .price-list { display: flex; flex-direction: column; gap: 10px; }
  .price-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 14.5px;
    color: var(--t2);
    line-height: 1.65;
  }
  .price-list li i { color: var(--brand-500); font-size: 12px; margin-top: 7px; flex: none; }
  .price-card .btn { margin-top: 24px; width: 100%; }

  .price-note {
    margin-top: 26px;
    background: var(--brand-50);
    border: 1px dashed #CFEDE6;
    border-radius: var(--r-md);
    padding: 18px 22px;
    font-size: 14px;
    color: var(--t2);
    line-height: 1.8;
  }

  /* ============ Generic cards ============ */
  .card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--r-md);
    padding: 24px;
    transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
  }
  .card:hover { transform: translateY(-4px); box-shadow: var(--shadow-2); border-color: #B6ECE2; }
  .card-icon {
    width: 46px; height: 46px;
    border-radius: 14px;
    display: grid; place-items: center;
    background: var(--brand-100);
    color: var(--brand-600);
    font-size: 18px;
    margin-bottom: 16px;
  }
  .card h3 { font-size: 18px; font-weight: 600; }
  .card p { margin-top: 10px; font-size: 15px; line-height: 1.75; color: var(--t2); }

  /* ============ Timeline ============ */
  .timeline { position: relative; display: grid; gap: 22px; }
  @media (min-width: 1024px) { .timeline { grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 18px; } }
  .timeline::before {
    content: "";
    position: absolute;
    left: 15px; top: 8px; bottom: 8px;
    width: 2px;
    background: linear-gradient(180deg, #0FB6A5, #37D3B4, #FFD166);
    opacity: .32;
  }
  @media (min-width: 1024px) {
    .timeline::before { left: 0; right: 0; top: 15px; bottom: auto; height: 2px; width: auto; }
  }
  .tl-item { position: relative; padding-left: 46px; }
  @media (min-width: 1024px) { .tl-item { padding-left: 0; padding-top: 46px; } }
  .tl-dot {
    position: absolute;
    left: 6px; top: 4px;
    width: 20px; height: 20px;
    border-radius: 50%;
    background: var(--grad);
    border: 3px solid #fff;
    box-shadow: 0 0 0 1px #B6ECE2;
  }
  @media (min-width: 1024px) { .tl-dot { left: 0; top: 6px; } }
  .tl-item h3 { font-size: 16px; font-weight: 600; }
  .tl-item p { margin-top: 8px; font-size: 14px; line-height: 1.75; color: var(--t2); }
  .tl-step { font-size: 12px; font-weight: 700; color: var(--brand-600); letter-spacing: .08em; }

  /* ============ Compare ============ */
  .compare-grid { display: grid; gap: 22px; }
  @media (min-width: 900px) { .compare-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
  .compare-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--r-lg);
    padding: 28px 26px;
    transition: box-shadow .3s ease, transform .3s ease;
  }
  .compare-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-2); }
  .compare-card.highlight { border-color: #B6ECE2; background: linear-gradient(180deg, #F1FCF9 0%, #FFFFFF 55%); }
  .compare-head { display: flex; align-items: center; gap: 12px; margin-bottom: 6px; }
  .compare-head h3 { font-size: 19px; }
  .compare-list { margin-top: 18px; display: flex; flex-direction: column; }
  .compare-list li {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 12px 0;
    border-bottom: 1px dashed var(--line);
    font-size: 14.5px;
  }
  .compare-list li:last-child { border-bottom: none; }
  .compare-list .k { color: var(--t3); }
  .compare-list .v { color: var(--t1); font-weight: 600; text-align: right; }

  /* ============ FAQ ============ */
  .faq-wrap { max-width: 820px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
  .faq-item {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--r-lg);
    overflow: hidden;
    transition: border-color .3s ease, box-shadow .3s ease;
  }
  .faq-item:hover { border-color: #B6ECE2; }
  .faq-item.is-open { border-color: #B6ECE2; box-shadow: var(--shadow-1); }
  .faq-q {
    width: 100%;
    min-height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 16px 24px;
    background: transparent;
    border: none;
    text-align: left;
    font-size: 16px;
    font-weight: 600;
    color: var(--t1);
    cursor: pointer;
  }
  .faq-q i { color: var(--brand-500); font-size: 14px; transition: transform .3s ease; flex: none; }
  .faq-item.is-open .faq-q i { transform: rotate(45deg); }
  .faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height .35s ease;
  }
  .faq-a-inner {
    position: relative;
    margin: 0 24px 22px;
    padding-left: 16px;
    font-size: 15px;
    line-height: 1.85;
    color: var(--t2);
  }
  .faq-a-inner::before {
    content: "";
    position: absolute;
    left: 0; top: .3em; bottom: .3em;
    width: 3px;
    border-radius: 3px;
    background: var(--grad);
  }

  /* ============ Contact card ============ */
  .contact-grid { display: grid; gap: 24px; align-items: stretch; }
  @media (min-width: 1024px) { .contact-grid { grid-template-columns: 6fr 6fr; gap: 32px; } }
  .contact-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--r-lg);
    padding: 30px 28px;
    box-shadow: var(--shadow-1);
  }
  .contact-list { margin-top: 20px; display: flex; flex-direction: column; }
  .contact-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 0;
    border-bottom: 1px dashed var(--line);
    font-size: 15px;
  }
  .contact-list li:last-child { border-bottom: none; }
  .contact-list i { color: var(--brand-500); width: 18px; margin-top: 5px; }
  .contact-list .k { color: var(--t3); display: block; font-size: 13px; }
  .contact-list .v { color: var(--t1); font-weight: 600; }

  .contact-visual {
    position: relative;
    border-radius: var(--r-lg);
    overflow: hidden;
    border: 1px solid var(--line);
    min-height: 260px;
  }
  .contact-visual img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 16 / 11; }
  .contact-visual .veil {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(6, 50, 46, .12) 0%, rgba(6, 50, 46, .72) 100%);
  }
  .contact-visual .caption {
    position: absolute;
    left: 22px; right: 22px; bottom: 22px;
    color: #fff;
  }
  .contact-visual .caption h3 { color: #fff; font-size: 19px; }
  .contact-visual .caption p { margin-top: 8px; font-size: 14px; color: #CFF3EA; line-height: 1.75; }

  /* ============ Related ============ */
  .rel-grid { display: grid; gap: 22px; }
  @media (min-width: 640px) { .rel-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
  @media (min-width: 1024px) { .rel-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 26px; } }
  .rel-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--r-md);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
  }
  .rel-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-2); border-color: #B6ECE2; }
  .rel-media { overflow: hidden; }
  .rel-media img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; transition: transform .3s ease; }
  .rel-card:hover .rel-media img { transform: scale(1.04); }
  .rel-body { padding: 20px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
  .rel-body h3 { font-size: 17px; font-weight: 600; }
  .rel-body p { font-size: 14.5px; line-height: 1.75; color: var(--t2); flex: 1; }

  /* ============ CTA ============ */
  .cta-band {
    position: relative;
    overflow: hidden;
    background: var(--ink);
    border-radius: var(--r-lg);
    padding: 40px 26px;
  }
  @media (min-width: 768px) { .cta-band { padding: 56px 48px; } }
  .cta-band::before {
    content: "";
    position: absolute;
    right: -80px; top: -120px;
    width: 380px; height: 380px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(55, 211, 180, .38) 0%, transparent 68%);
    pointer-events: none;
  }
  .cta-band::after {
    content: "";
    position: absolute;
    left: -60px; bottom: -140px;
    width: 300px; height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 209, 102, .22) 0%, transparent 70%);
    pointer-events: none;
  }
  .cta-grid { position: relative; display: grid; gap: 32px; }
  @media (min-width: 1024px) { .cta-grid { grid-template-columns: 5fr 7fr; gap: 48px; align-items: start; } }
  .cta-band h2 { color: #fff; font-size: clamp(24px, 2.6vw, 32px); line-height: 1.32; }
  .cta-band p.lead { margin-top: 14px; color: #CFF3EA; font-size: 15.5px; line-height: 1.85; }

  .form-grid { display: grid; gap: 16px; }
  @media (min-width: 640px) { .form-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } .form-grid .full { grid-column: 1 / -1; } }
  .field label { display: block; font-size: 13px; color: #CFF3EA; margin-bottom: 8px; letter-spacing: .02em; }
  .field input, .field textarea {
    width: 100%;
    min-height: 48px;
    padding: 12px 14px;
    border-radius: var(--r-sm);
    border: 1px solid rgba(207, 243, 234, .28);
    background: rgba(255, 255, 255, .07);
    color: #fff;
    font-size: 15px;
    transition: border-color .25s ease, box-shadow .25s ease, background .25s ease;
  }
  .field textarea { min-height: 108px; resize: vertical; line-height: 1.7; }
  .field input::placeholder, .field textarea::placeholder { color: rgba(207, 243, 234, .55); }
  .field input:focus, .field textarea:focus {
    outline: none;
    border-color: var(--brand-400);
    background: rgba(255, 255, 255, .12);
    box-shadow: 0 0 0 3px rgba(55, 211, 180, .28);
  }
  .form-actions { margin-top: 22px; display: flex; flex-wrap: wrap; align-items: center; gap: 16px; }
  .form-tip { font-size: 13px; color: rgba(207, 243, 234, .8); }

  /* ============ Footer ============ */
  .site-footer {
    background: var(--ink);
    color: #CFF3EA;
    margin-top: 72px;
  }
  .site-footer h4 {
    color: #fff;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: .04em;
    margin-bottom: 16px;
  }
  .site-footer ul { display: flex; flex-direction: column; gap: 10px; }
  .footer-link {
    display: inline-block;
    font-size: 14px;
    color: #CFF3EA;
    transition: color .25s ease, transform .25s ease;
  }
  a.footer-link:hover { color: var(--brand-400); transform: translateX(2px); }
  .footer-bottom {
    margin-top: 48px;
    padding: 22px 0 28px;
    border-top: 1px solid rgba(207, 243, 234, .18);
    display: flex;
    flex-wrap: wrap;
    gap: 10px 24px;
    justify-content: space-between;
    font-size: 13px;
    color: rgba(207, 243, 234, .78);
  }

  /* ============ Reveal ============ */
  .reveal { opacity: 0; transform: translateY(18px); transition: opacity .45s ease, transform .45s ease; }
  .reveal.is-in { opacity: 1; transform: none; }

  @media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .reveal { opacity: 0; transform: none; transition: opacity .3s ease; }
    .btn, .card, .price-card, .rel-card, .data-card, .compare-card { transition: none; }
    .rel-card:hover .rel-media img { transform: none; }
  }